zoitechat/src/fe-gtk/maingui.c

/* X-Chat
 * Copyright (C) 1998-2005 Peter Zelezny.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>

#include "fe-gtk.h"

#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkcairo.h>
#include <gdk-pixbuf/gdk-pixbuf.h>

#include "../common/zoitechat.h"
#include "../common/fe.h"
#include "../common/server.h"
#include "../common/zoitechatc.h"
#include "../common/outbound.h"
#include "../common/inbound.h"
#include "../common/plugin.h"
#include "../common/modes.h"
#include "../common/url.h"
#include "../common/util.h"
#include "../common/text.h"
#include "../common/chanopt.h"
#include "../common/cfgfiles.h"

#include "theme/theme-manager.h"
#include "theme/theme-css.h"
#include "banlist.h"
#include "gtkutil.h"
#include "icon-resolver.h"
#include "joind.h"
#include "theme/theme-access.h"
#include "theme/theme-palette.h"
#include "maingui.h"
#include "menu.h"
#include "preferences-persistence.h"
#include "fkeys.h"
#include "userlistgui.h"
#include "chanview.h"
#include "pixmaps.h"
#include "plugin-tray.h"
#include "xtext.h"
#include "sexy-spell-entry.h"
#include "gtkutil.h"

#ifdef G_OS_WIN32
#include <windows.h>
#include <shellapi.h>
#include <gdk/gdkwin32.h>

static void
mg_win32_allow_autohide_taskbar (GtkWindow *window, GdkEventWindowState *event)
{
	GdkWindow *gdk_window;
	HWND hwnd;

	if (!window || !event)
		return;

	if ((event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0)
		return;

	gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
	if (!gdk_window)
		return;

	hwnd = gdk_win32_window_get_handle (gdk_window);
	if (!hwnd)
		return;

	if (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
	{
		APPBARDATA appbar_data;
		RECT work_area;

		ZeroMemory (&appbar_data, sizeof (APPBARDATA));
		appbar_data.cbSize = sizeof (APPBARDATA);

		if ((SHAppBarMessage (ABM_GETSTATE, &appbar_data) & ABS_AUTOHIDE) != 0 &&
			SHAppBarMessage (ABM_GETTASKBARPOS, &appbar_data) != 0)
		{
			HMONITOR monitor;
			MONITORINFO monitor_info;

			monitor = MonitorFromWindow (hwnd, MONITOR_DEFAULTTONEAREST);
			ZeroMemory (&monitor_info, sizeof (MONITORINFO));
			monitor_info.cbSize = sizeof (MONITORINFO);

			if (monitor && GetMonitorInfo (monitor, &monitor_info))
			{
				work_area = monitor_info.rcMonitor;

				switch (appbar_data.uEdge)
				{
				case ABE_LEFT:
					work_area.left += 1;
					break;
				case ABE_TOP:
					work_area.top += 1;
					break;
				case ABE_RIGHT:
					work_area.right -= 1;
					break;
				case ABE_BOTTOM:
				default:
					work_area.bottom -= 1;
					break;
				}

				SetWindowPos (hwnd,
				              NULL,
				              work_area.left,
				              work_area.top,
				              work_area.right - work_area.left,
				              work_area.bottom - work_area.top,
				              SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
			}
		}
	}

	SetWindowPos (hwnd,
	              HWND_NOTOPMOST,
	              0,
	              0,
	              0,
	              0,
	              SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOOWNERZORDER);
}
#endif

#define ICON_TAB_DETACH "zc-menu-detach"
#define ICON_TAB_CLOSE "zc-menu-close"
#define ICON_TAB_PREVIOUS "zc-menu-previous"
#define ICON_TAB_NEXT "zc-menu-next"
#define ICON_ENTRY_ERROR "dialog-error"

#define GUI_SPACING (3)
#define GUI_BORDER (0)

enum
{
        POS_INVALID = 0,
        POS_TOPLEFT = 1,
        POS_BOTTOMLEFT = 2,
        POS_TOPRIGHT = 3,
        POS_BOTTOMRIGHT = 4,
        POS_TOP = 5,    /* for tabs only */
        POS_BOTTOM = 6,
        POS_HIDDEN = 7
};

/* two different types of tabs */
#define TAG_IRC 0               /* server, channel, dialog */
#define TAG_UTIL 1      /* dcc, notify, chanlist */

static void mg_apply_emoji_fallback_widget (GtkWidget *widget);

#define MG_CONFIG_SAVE_DEBOUNCE_MS 250

static guint mg_config_save_source_id = 0;
static gboolean mg_config_prefs_dirty = FALSE;

static void
mg_show_save_failure (const PreferencesPersistenceResult *save_result)
{
        char buffer[192];

        if (!save_result || save_result->success)
                return;

        if (save_result->partial_failure)
        {
                fe_message (_("Could not fully save preferences. zoitechat.conf was written, but colors.conf failed. Retry is possible."), FE_MSG_ERROR);
                return;
        }

        g_snprintf (buffer, sizeof (buffer), _("Could not save preferences (%s). Retry is possible."), save_result->failed_file ? save_result->failed_file : _("unknown file"));
        fe_message (buffer, FE_MSG_ERROR);
}

static gboolean
mg_config_save_timeout_cb (gpointer userdata)
{
        PreferencesPersistenceResult save_result;

        mg_config_save_source_id = 0;

        if (!mg_config_prefs_dirty)
                return G_SOURCE_REMOVE;

        save_result = preferences_persistence_save_all ();
        if (!save_result.success)
                mg_show_save_failure (&save_result);
        mg_config_prefs_dirty = FALSE;

        return G_SOURCE_REMOVE;
}

static void
mg_schedule_config_save (void)
{
        if (!mg_config_prefs_dirty)
                return;

        if (mg_config_save_source_id != 0)
                g_source_remove (mg_config_save_source_id);

        mg_config_save_source_id = g_timeout_add (MG_CONFIG_SAVE_DEBOUNCE_MS,
                                                                                           mg_config_save_timeout_cb,
                                                                                           NULL);
}

static void
mg_flush_config_save (void)
{
        PreferencesPersistenceResult save_result;

        if (mg_config_save_source_id != 0)
        {
                g_source_remove (mg_config_save_source_id);
                mg_config_save_source_id = 0;
        }

        if (mg_config_prefs_dirty)
        {
                save_result = preferences_persistence_save_all ();
                if (!save_result.success)
                        mg_show_save_failure (&save_result);
                mg_config_prefs_dirty = FALSE;
        }
}

static inline void
mg_set_source_color (cairo_t *cr, const XTextColor *color)
{
	cairo_set_source_rgba (cr, color->red, color->green, color->blue, color->alpha);
}

static inline guint16
mg_color_component_to_pango (double value)
{
	if (value < 0.0)
		value = 0.0;
	if (value > 1.0)
		value = 1.0;

	return (guint16)(value * 65535.0 + 0.5);
}

static void
mg_apply_font_css (GtkWidget *widget, const PangoFontDescription *desc,
				   const char *class_name, const char *provider_key)
{
	GtkStyleContext *context;
	GtkCssProvider *provider;
	GString *css;

	if (!widget || !desc)
		return;

	context = gtk_widget_get_style_context (widget);
	if (!context)
		return;

	provider = g_object_get_data (G_OBJECT (widget), provider_key);
	if (!provider)
	{
		provider = gtk_css_provider_new ();
		g_object_set_data_full (G_OBJECT (widget), provider_key, provider, g_object_unref);
	}

	css = g_string_new (".");
	g_string_append (css, class_name);
	g_string_append (css, " {");
	gtkutil_append_font_css (css, desc);
	g_string_append (css, " }");
	gtk_css_provider_load_from_data (provider, css->str, -1, NULL);
	g_string_free (css, TRUE);

	gtk_style_context_add_class (context, class_name);
	theme_css_apply_widget_provider (widget, GTK_STYLE_PROVIDER (provider));
}

static void
mg_set_label_alignment_start (GtkWidget *widget)
{
	gtk_widget_set_halign (widget, GTK_ALIGN_START);
	gtk_widget_set_valign (widget, GTK_ALIGN_CENTER);
}

static void
mg_apply_compact_mode_css (GtkWidget *widget)
{
	GtkStyleContext *context;
	GtkCssProvider *provider;

	if (!widget)
		return;

	context = gtk_widget_get_style_context (widget);
	if (!context)
		return;

	provider = g_object_get_data (G_OBJECT (widget), "mg-mode-css-provider");
	if (!provider)
	{
		provider = gtk_css_provider_new ();
		g_object_set_data_full (G_OBJECT (widget), "mg-mode-css-provider", provider, g_object_unref);
	}

	gtk_css_provider_load_from_data (provider,
		".zoitechat-mode-control { min-height: 11px; padding-top: 0; padding-bottom: 0; }"
		".zoitechat-mode-control label { padding-top: 0; padding-bottom: 0; }",
		-1, NULL);
	gtk_style_context_add_class (context, "zoitechat-mode-control");
	theme_css_apply_widget_provider (widget, GTK_STYLE_PROVIDER (provider));
}

static GtkWidget *
mg_box_new (GtkOrientation orientation, gboolean homogeneous, gint spacing)
{
	GtkWidget *box = gtk_box_new (orientation, spacing);

	gtk_box_set_homogeneous (GTK_BOX (box), homogeneous);
	return box;
}

static void
mg_pixbuf_destroy (guchar *pixels, gpointer data)
{
	g_free (pixels);
}

static GdkPixbuf *
mg_pixbuf_from_surface (cairo_surface_t *surface, int width, int height)
{
	const unsigned char *src;
	int src_stride;
	int rowstride;
	guchar *pixels;
	int x;
	int y;

	if (!surface || width <= 0 || height <= 0)
		return NULL;

	src = cairo_image_surface_get_data (surface);
	src_stride = cairo_image_surface_get_stride (surface);
	rowstride = width * 4;
	pixels = g_malloc ((gsize)rowstride * height);

	for (y = 0; y < height; y++)
	{
		const unsigned char *src_row = src + (y * src_stride);
		guchar *dest_row = pixels + (y * rowstride);

		for (x = 0; x < width; x++)
		{
			guint8 a;
			guint8 r;
			guint8 g;
			guint8 b;
			const unsigned char *src_px = src_row + (x * 4);
			guchar *dest_px = dest_row + (x * 4);

#if G_BYTE_ORDER == G_LITTLE_ENDIAN
			b = src_px[0];
			g = src_px[1];
			r = src_px[2];
			a = src_px[3];
#else
			a = src_px[0];
			r = src_px[1];
			g = src_px[2];
			b = src_px[3];
#endif

			if (a)
			{
				r = (guint8)((r * 255 + (a / 2)) / a);
				g = (guint8)((g * 255 + (a / 2)) / a);
				b = (guint8)((b * 255 + (a / 2)) / a);
			}
			else
			{
				r = g = b = 0;
			}

			dest_px[0] = r;
			dest_px[1] = g;
			dest_px[2] = b;
			dest_px[3] = a;
		}
	}

	return gdk_pixbuf_new_from_data (pixels, GDK_COLORSPACE_RGB, TRUE, 8,
		width, height, rowstride, mg_pixbuf_destroy, NULL);
}

static GdkPixbuf *
mg_pixbuf_from_window (GdkWindow *window, int width, int height)
{
	int src_width;
	int src_height;
	cairo_surface_t *surface;
	cairo_t *cr;
	GdkPixbuf *pixbuf;

	if (!window)
		return NULL;

	src_width = gdk_window_get_width (window);
	src_height = gdk_window_get_height (window);
	if (width <= 0 || height <= 0)
	{
		width = src_width;
		height = src_height;
	}

	if (width <= 0 || height <= 0)
		return NULL;

	surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
	if (cairo_surface_status (surface) != CAIRO_STATUS_SUCCESS)
	{
		cairo_surface_destroy (surface);
		return NULL;
	}

	cr = cairo_create (surface);
	gdk_cairo_set_source_window (cr, window, 0.0, 0.0);
	cairo_paint (cr);
	cairo_destroy (cr);

	pixbuf = mg_pixbuf_from_surface (surface, width, height);
	cairo_surface_destroy (surface);

	return pixbuf;
}

static void mg_create_entry (session *sess, GtkWidget *box);
static void mg_create_search (session *sess, GtkWidget *box);
#ifdef G_OS_WIN32
static GdkFilterReturn mg_win32_filter (GdkXEvent *xevent, GdkEvent *event, gpointer data);
#endif
static void mg_link_irctab (session *sess, int focus);

static session_gui static_mg_gui;
static session_gui *mg_gui = NULL;      /* the shared irc tab */
static int ignore_chanmode = FALSE;
static const char chan_flags[] = { 'c', 'n', 't', 'i', 'm', 'l', 'k' };

static chan *active_tab = NULL; /* active tab */
GtkWidget *parent_window = NULL;                        /* the master window */

InputStyle *input_style;

static PangoAttrList *away_list;
static PangoAttrList *newdata_list;
static PangoAttrList *nickseen_list;
static PangoAttrList *newmsg_list;
static PangoAttrList *plain_list = NULL;

static PangoAttrList *
mg_attr_list_create (const XTextColor *col, int size)
{
        PangoAttribute *attr;
        PangoAttrList *list;

        list = pango_attr_list_new ();

        if (col)
        {
                attr = pango_attr_foreground_new (
                        mg_color_component_to_pango (col->red),
                        mg_color_component_to_pango (col->green),
                        mg_color_component_to_pango (col->blue));
                attr->start_index = 0;
                attr->end_index = 0xffff;
                pango_attr_list_insert (list, attr);
        }

        if (size > 0)
        {
                attr = pango_attr_scale_new (size == 1 ? PANGO_SCALE_SMALL : PANGO_SCALE_X_SMALL);
                attr->start_index = 0;
                attr->end_index = 0xffff;
                pango_attr_list_insert (list, attr);
        }

        return list;
}

static void
mg_create_tab_colors (void)
{
        XTextColor gui_palette[THEME_TOKEN_COUNT];

        if (plain_list)
        {
                pango_attr_list_unref (plain_list);
                pango_attr_list_unref (newmsg_list);
                pango_attr_list_unref (newdata_list);
                pango_attr_list_unref (nickseen_list);
                pango_attr_list_unref (away_list);
        }

        theme_get_xtext_colors (gui_palette, G_N_ELEMENTS (gui_palette));
        plain_list = mg_attr_list_create (NULL, prefs.hex_gui_tab_small);
        newdata_list = mg_attr_list_create (&gui_palette[THEME_TOKEN_TAB_NEW_DATA], prefs.hex_gui_tab_small);
        nickseen_list = mg_attr_list_create (&gui_palette[THEME_TOKEN_TAB_HIGHLIGHT], prefs.hex_gui_tab_small);
        newmsg_list = mg_attr_list_create (&gui_palette[THEME_TOKEN_TAB_NEW_MESSAGE], prefs.hex_gui_tab_small);
        away_list = mg_attr_list_create (&gui_palette[THEME_TOKEN_TAB_AWAY], FALSE);
}

static void
set_window_urgency (GtkWidget *win, gboolean set)
{
        gtk_window_set_urgency_hint (GTK_WINDOW (win), set);
}

static gboolean
is_wayland_display (void)
{
        GdkDisplay *display = gdk_display_get_default ();
        const char *name;

        if (!display)
                return FALSE;

        name = gdk_display_get_name (display);
        if (!name)
                return FALSE;

        return g_str_has_prefix (name, "wayland");
}

static gboolean
is_kde_desktop (void)
{
        const char *desktop = g_getenv ("XDG_CURRENT_DESKTOP");

        if (desktop && strstr (desktop, "KDE"))
                return TRUE;

        return g_getenv ("KDE_FULL_SESSION") != NULL;
}

static gboolean
is_kde_wayland (void)
{
        return is_wayland_display () && is_kde_desktop ();
}

static void
flash_window (GtkWidget *win)
{
#ifdef HAVE_GTK_MAC
        gtkosx_application_attention_request (osx_app, INFO_REQUEST);
#endif
        if (is_kde_wayland ())
                gtk_window_present (GTK_WINDOW (win));
        set_window_urgency (win, TRUE);
}

static void
unflash_window (GtkWidget *win)
{
        set_window_urgency (win, FALSE);
}

/* flash the taskbar button */

void
fe_flash_window (session *sess)
{
        if (fe_gui_info (sess, 0) != 1) /* only do it if not focused */
                flash_window (sess->gui->window);
}

/* set a tab plain, red, light-red, or blue */

void
fe_set_tab_color (struct session *sess, tabcolor col)
{
        struct session *server_sess = sess->server->server_session;
        int col_noflags = (col & ~FE_COLOR_ALLFLAGS);
        int col_shouldoverride = !(col & FE_COLOR_FLAG_NOOVERRIDE);

        if (sess->res->tab && sess->gui->is_tab && (col == 0 || sess != current_tab))
        {
                switch (col_noflags)
                {
                case 0: /* no particular color (theme default) */
                        sess->tab_state = TAB_STATE_NONE;
                        chan_set_color (sess->res->tab, plain_list);
                        break;
                case 1: /* new data has been displayed (dark red) */
                        if (col_shouldoverride || !((sess->tab_state & TAB_STATE_NEW_MSG)
                                                                                || (sess->tab_state & TAB_STATE_NEW_HILIGHT))) {
                                sess->tab_state = TAB_STATE_NEW_DATA;
                                chan_set_color (sess->res->tab, newdata_list);
                        }

                        if (chan_is_collapsed (sess->res->tab)
                                && !((server_sess->tab_state & TAB_STATE_NEW_MSG)
                                         || (server_sess->tab_state & TAB_STATE_NEW_HILIGHT))
                                && !(server_sess == current_tab))
                        {
                                server_sess->tab_state = TAB_STATE_NEW_DATA;
                                chan_set_color (chan_get_parent (sess->res->tab), newdata_list);
                        }

                        break;
                case 2: /* new message arrived in channel (light red) */
                        if (col_shouldoverride || !(sess->tab_state & TAB_STATE_NEW_HILIGHT)) {
                                sess->tab_state = TAB_STATE_NEW_MSG;
                                chan_set_color (sess->res->tab, newmsg_list);
                        }

                        if (chan_is_collapsed (sess->res->tab)
                                && !(server_sess->tab_state & TAB_STATE_NEW_HILIGHT)
                                && !(server_sess == current_tab))
                        {
                                server_sess->tab_state = TAB_STATE_NEW_MSG;
                                chan_set_color (chan_get_parent (sess->res->tab), newmsg_list);
                        }

                        break;
                case 3: /* your nick has been seen (blue) */
                        sess->tab_state = TAB_STATE_NEW_HILIGHT;
                        chan_set_color (sess->res->tab, nickseen_list);

                        if (chan_is_collapsed (sess->res->tab) && !(server_sess == current_tab))
                        {
                                server_sess->tab_state = TAB_STATE_NEW_MSG;
                                chan_set_color (chan_get_parent (sess->res->tab), nickseen_list);
                        }

                        break;
                }
                lastact_update (sess);
                sess->last_tab_state = sess->tab_state; /* For plugins handling future prints */
        }
}

static void
mg_set_myself_away (session_gui *gui, gboolean away)
{
        gtk_label_set_attributes (GTK_LABEL (gtk_bin_get_child (GTK_BIN (gui->nick_label))),
                                                                          away ? away_list : NULL);
}

/* change the little icon to the left of your nickname */

void
mg_set_access_icon (session_gui *gui, GdkPixbuf *pix, gboolean away)
{
        if (gui->op_xpm)
        {
                if (pix == gtk_image_get_pixbuf (GTK_IMAGE (gui->op_xpm))) /* no change? */
                {
                        mg_set_myself_away (gui, away);
                        return;
                }

                gtk_widget_destroy (gui->op_xpm);
                gui->op_xpm = NULL;
        }

        if (pix && prefs.hex_gui_input_icon)
        {
                gui->op_xpm = gtk_image_new_from_pixbuf (pix);
                gtk_box_pack_start (GTK_BOX (gui->nick_box), gui->op_xpm, 0, 0, 0);
                gtk_widget_show (gui->op_xpm);
        }

        mg_set_myself_away (gui, away);
}

static gboolean
mg_inputbox_focus (GtkWidget *widget, GdkEventFocus *event, session_gui *gui)
{
        GSList *list;
        session *sess;

        if (gui->is_tab)
                return FALSE;

        list = sess_list;
        while (list)
        {
                sess = list->data;
                if (sess->gui == gui)
                {
                        current_sess = sess;
                        if (!sess->server->server_session)
                                sess->server->server_session = sess;
                        break;
                }
                list = list->next;
        }

        return FALSE;
}

void
mg_inputbox_cb (GtkWidget *igad, session_gui *gui)
{
        char *cmd;
        static int ignore = FALSE;
        GSList *list;
        session *sess = NULL;

        if (ignore)
                return;

        cmd = SPELL_ENTRY_GET_TEXT (igad);
        if (cmd[0] == 0)
                return;

        cmd = g_strdup (cmd);

        /* avoid recursive loop */
        ignore = TRUE;
        SPELL_ENTRY_SET_TEXT (igad, "");
        ignore = FALSE;

        /* where did this event come from? */
        if (gui->is_tab)
        {
                sess = current_tab;
        } else
        {
                list = sess_list;
                while (list)
                {
                        sess = list->data;
                        if (sess->gui == gui)
                                break;
                        list = list->next;
                }
                if (!list)
                        sess = NULL;
        }

        if (sess)
                handle_multiline (sess, cmd, TRUE, FALSE);

        g_free (cmd);
}

static gboolean
mg_spellcheck_cb (SexySpellEntry *entry, gchar *word, gpointer data)
{
        /* This can cause freezes on long words, nicks arn't very long anyway. */
        if (strlen (word) > 20)
                return FALSE;

        /* Ignore anything we think is a valid url */
        if (url_check_word (word) != 0)
                return FALSE;

        return TRUE;
}

#if 0
static gboolean
has_key (char *modes)
{
        if (!modes)
                return FALSE;
        /* this is a crude check, but "-k" can't exist, so it works. */
        while (*modes)
        {
                if (*modes == 'k')
                        return TRUE;
                if (*modes == ' ')
                        return FALSE;
                modes++;
        }
        return FALSE;
}
#endif

void
fe_set_title (session *sess)
{
        char tbuf[512];
        int type;

        if (sess->gui->is_tab && sess != current_tab)
                return;

        type = sess->type;

        if (sess->server->connected == FALSE && sess->type != SESS_DIALOG)
                goto def;

        switch (type)
        {
        case SESS_DIALOG:
                g_snprintf (tbuf, sizeof (tbuf), "%s %s @ %s - %s",
                                         _("Dialog with"), sess->channel, server_get_network (sess->server, TRUE),
                                         _(DISPLAY_NAME));
                break;
        case SESS_SERVER:
                g_snprintf (tbuf, sizeof (tbuf), "%s%s%s - %s",
                                         prefs.hex_gui_win_nick ? sess->server->nick : "",
                                         prefs.hex_gui_win_nick ? " @ " : "", server_get_network (sess->server, TRUE),
                                         _(DISPLAY_NAME));
                break;
        case SESS_CHANNEL:
                /* don't display keys in the titlebar */
                        g_snprintf (tbuf, sizeof (tbuf),
                                         "%s%s%s / %s%s%s%s - %s",
                                         prefs.hex_gui_win_nick ? sess->server->nick : "",
                                         prefs.hex_gui_win_nick ? " @ " : "",
                                         server_get_network (sess->server, TRUE), sess->channel,
                                         prefs.hex_gui_win_modes && sess->current_modes ? " (" : "",
                                         prefs.hex_gui_win_modes && sess->current_modes ? sess->current_modes : "",
                                         prefs.hex_gui_win_modes && sess->current_modes ? ")" : "",
                                         _(DISPLAY_NAME));
                if (prefs.hex_gui_win_ucount)
                {
                        g_snprintf (tbuf + strlen (tbuf), 9, " (%d)", sess->total);
                }
                break;
        case SESS_NOTICES:
        case SESS_SNOTICES:
                g_snprintf (tbuf, sizeof (tbuf), "%s%s%s (notices) - %s",
                                         prefs.hex_gui_win_nick ? sess->server->nick : "",
                                         prefs.hex_gui_win_nick ? " @ " : "", server_get_network (sess->server, TRUE),
                                         _(DISPLAY_NAME));
                break;
        default:
        def:
                g_snprintf (tbuf, sizeof (tbuf), _(DISPLAY_NAME));
                gtk_window_set_title (GTK_WINDOW (sess->gui->window), tbuf);
                return;
        }

        gtk_window_set_title (GTK_WINDOW (sess->gui->window), tbuf);
}

static gboolean
mg_windowstate_cb (GtkWindow *wid, GdkEventWindowState *event, gpointer userdata)
{
	guint win_state;
	guint win_fullscreen;
	gboolean changed = FALSE;

	if ((event->changed_mask & GDK_WINDOW_STATE_ICONIFIED) &&
		 (event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) &&
		 prefs.hex_gui_tray_minimize && prefs.hex_gui_tray &&
		 gtkutil_tray_icon_supported (wid))
	{
		tray_toggle_visibility (TRUE);
	}

	win_state = 0;
	if (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
		win_state = 1;

	win_fullscreen = 0;
	if (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN)
		win_fullscreen = 1;

	if (prefs.hex_gui_win_state != win_state)
	{
		prefs.hex_gui_win_state = win_state;
		changed = TRUE;
	}

	if (prefs.hex_gui_win_fullscreen != win_fullscreen)
	{
		prefs.hex_gui_win_fullscreen = win_fullscreen;
		changed = TRUE;
	}

	if (changed)
	{
		mg_config_prefs_dirty = TRUE;
		mg_schedule_config_save ();
	}

        menu_set_fullscreen (current_sess->gui, prefs.hex_gui_win_fullscreen);

#ifdef G_OS_WIN32
	mg_win32_allow_autohide_taskbar (wid, event);
#endif

        return FALSE;
}

static gboolean
mg_configure_cb (GtkWidget *wid, GdkEventConfigure *event, session *sess)
{
        gboolean changed = FALSE;

        if (sess == NULL)
        {
                if (mg_gui)
                {
                        if (prefs.hex_gui_win_save && !prefs.hex_gui_win_state && !prefs.hex_gui_win_fullscreen)
                        {
                                int win_left;
                                int win_top;
                                int win_width;
                                int win_height;

                                gtk_window_get_position (GTK_WINDOW (wid), &win_left, &win_top);
                                gtk_window_get_size (GTK_WINDOW (wid), &win_width, &win_height);

                                if (prefs.hex_gui_win_left != win_left)
                                {
                                        prefs.hex_gui_win_left = win_left;
                                        changed = TRUE;
                                }

                                if (prefs.hex_gui_win_top != win_top)
                                {
                                        prefs.hex_gui_win_top = win_top;
                                        changed = TRUE;
                                }

                                if (prefs.hex_gui_win_width != win_width)
                                {
                                        prefs.hex_gui_win_width = win_width;
                                        changed = TRUE;
                                }

                                if (prefs.hex_gui_win_height != win_height)
                                {
                                        prefs.hex_gui_win_height = win_height;
                                        changed = TRUE;
                                }
                        }
                }
        }
        else if (sess->type == SESS_DIALOG && prefs.hex_gui_win_save)
        {
                int dialog_left;
                int dialog_top;
                int dialog_width;
                int dialog_height;

                gtk_window_get_position (GTK_WINDOW (wid), &dialog_left, &dialog_top);
                gtk_window_get_size (GTK_WINDOW (wid), &dialog_width, &dialog_height);

                if (prefs.hex_gui_dialog_left != dialog_left)
                {
                        prefs.hex_gui_dialog_left = dialog_left;
                        changed = TRUE;
                }

                if (prefs.hex_gui_dialog_top != dialog_top)
                {
                        prefs.hex_gui_dialog_top = dialog_top;
                        changed = TRUE;
                }

                if (prefs.hex_gui_dialog_width != dialog_width)
                {
                        prefs.hex_gui_dialog_width = dialog_width;
                        changed = TRUE;
                }

                if (prefs.hex_gui_dialog_height != dialog_height)
                {
                        prefs.hex_gui_dialog_height = dialog_height;
                        changed = TRUE;
                }
        }

        if (changed)
        {
                mg_config_prefs_dirty = TRUE;
                mg_schedule_config_save ();
        }

        return FALSE;
}

/* move to a non-irc tab */

static void
mg_show_generic_tab (GtkWidget *box)
{
        int num;
        GtkWidget *f = NULL;

        if (current_sess && gtk_widget_has_focus (current_sess->gui->input_box))
                f = current_sess->gui->input_box;

        num = gtk_notebook_page_num (GTK_NOTEBOOK (mg_gui->note_book), box);
        gtk_notebook_set_current_page (GTK_NOTEBOOK (mg_gui->note_book), num);
        gtk_tree_view_set_model (GTK_TREE_VIEW (mg_gui->user_tree), NULL);
        gtk_window_set_title (GTK_WINDOW (mg_gui->window),
                                                                 g_object_get_data (G_OBJECT (box), "title"));
        gtk_widget_set_sensitive (mg_gui->menu, FALSE);

        if (f)
                gtk_widget_grab_focus (f);
}

/* a channel has been focused */

static void
mg_focus (session *sess)
{
        if (sess->gui->is_tab)
                current_tab = sess;
        current_sess = sess;

        /* dirty trick to avoid auto-selection */
        SPELL_ENTRY_SET_EDITABLE (sess->gui->input_box, FALSE);
        gtk_widget_grab_focus (sess->gui->input_box);
        SPELL_ENTRY_SET_EDITABLE (sess->gui->input_box, TRUE);

        sess->server->front_session = sess;

        if (sess->server->server_session != NULL)
        {
                if (sess->server->server_session->type != SESS_SERVER)
                        sess->server->server_session = sess;
        } else
        {
                sess->server->server_session = sess;
        }

        /* when called via mg_changui_new, is_tab might be true, but
                sess->res->tab is still NULL. */
        if (sess->res->tab)
                fe_set_tab_color (sess, FE_COLOR_NONE);
}

static int
mg_progressbar_update (GtkWidget *bar)
{
        static int type = 0;
        static gdouble pos = 0;

        pos += 0.05;
        if (pos >= 0.99)
        {
                if (type == 0)
                {
                        type = 1;
                        gtk_progress_bar_set_inverted (GTK_PROGRESS_BAR (bar), TRUE);
                } else
                {
                        type = 0;
                        gtk_progress_bar_set_inverted (GTK_PROGRESS_BAR (bar), FALSE);
                }
                pos = 0.05;
        }
        gtk_progress_bar_set_fraction ((GtkProgressBar *) bar, pos);
        return 1;
}

void
mg_progressbar_create (session_gui *gui)
{
        gui->bar = gtk_progress_bar_new ();
        gtk_box_pack_start (GTK_BOX (gui->nick_box), gui->bar, 0, 0, 0);
        gtk_widget_show (gui->bar);
        gui->bartag = fe_timeout_add (50, mg_progressbar_update, gui->bar);
}

void
mg_progressbar_destroy (session_gui *gui)
{
        fe_timeout_remove (gui->bartag);
        gtk_widget_destroy (gui->bar);
        gui->bar = 0;
        gui->bartag = 0;
}

/* switching tabs away from this one, so remember some info about it! */

static void
mg_unpopulate (session *sess)
{
        restore_gui *res;
        session_gui *gui;
        GtkTextBuffer *topic_buffer;
        GtkTextIter start;
        GtkTextIter end;
        int i;

        gui = sess->gui;
        res = sess->res;

        res->input_text = g_strdup (SPELL_ENTRY_GET_TEXT (gui->input_box));
        topic_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (gui->topic_entry));
        gtk_text_buffer_get_bounds (topic_buffer, &start, &end);
        res->topic_text = gtk_text_buffer_get_text (topic_buffer, &start, &end, FALSE);
        res->limit_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (gui->limit_entry)));
        res->key_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (gui->key_entry)));
        if (gui->laginfo)
                res->lag_text = g_strdup (gtk_label_get_text (GTK_LABEL (gui->laginfo)));
        if (gui->throttleinfo)
                res->queue_text = g_strdup (gtk_label_get_text (GTK_LABEL (gui->throttleinfo)));

        for (i = 0; i < NUM_FLAG_WIDS - 1; i++)
                res->flag_wid_state[i] = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (gui->flag_wid[i]));

        res->old_ul_value = userlist_get_value (gui->user_tree);
        if (gui->lagometer)
                res->lag_value = gtk_progress_bar_get_fraction (
                                                                                                        GTK_PROGRESS_BAR (gui->lagometer));
        if (gui->throttlemeter)
                res->queue_value = gtk_progress_bar_get_fraction (
                                                                                                        GTK_PROGRESS_BAR (gui->throttlemeter));

        if (gui->bar)
        {
                res->c_graph = TRUE;    /* still have a graph, just not visible now */
                mg_progressbar_destroy (gui);
        }
}

static void
mg_restore_label (GtkWidget *label, char **text)
{
        if (!label)
                return;

        if (*text)
        {
                gtk_label_set_text (GTK_LABEL (label), *text);
                g_free (*text);
                *text = NULL;
        } else
        {
                gtk_label_set_text (GTK_LABEL (label), "");
        }
}

static void
mg_restore_entry (GtkWidget *entry, char **text)
{
        if (*text)
        {
                gtk_entry_set_text (GTK_ENTRY (entry), *text);
                g_free (*text);
                *text = NULL;
        } else
        {
                gtk_entry_set_text (GTK_ENTRY (entry), "");
        }
        gtk_editable_set_position (GTK_EDITABLE (entry), -1);
}

static void
mg_restore_speller (GtkWidget *entry, char **text)
{
        if (*text)
        {
                SPELL_ENTRY_SET_TEXT (entry, *text);
                g_free (*text);
                *text = NULL;
        } else
        {
                SPELL_ENTRY_SET_TEXT (entry, "");
        }
        SPELL_ENTRY_SET_POS (entry, -1);
}

void
mg_set_topic_tip (session *sess)
{
        char *text;
        GtkTextBuffer *topic_buffer;
        GtkTextIter start;
        GtkTextIter end;

        switch (sess->type)
        {
        case SESS_CHANNEL:
                if (sess->topic)
                {
                        text = g_strdup_printf (_("Topic for %s is: %s"), sess->channel,
                                                 sess->topic);
                        gtk_widget_set_tooltip_text (sess->gui->topic_entry, text);
                        g_free (text);
                } else
                        gtk_widget_set_tooltip_text (sess->gui->topic_entry, _("No topic is set"));
                break;
        default:
                topic_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (sess->gui->topic_entry));
                gtk_text_buffer_get_bounds (topic_buffer, &start, &end);
                text = gtk_text_buffer_get_text (topic_buffer, &start, &end, FALSE);
                if (text[0])
                        gtk_widget_set_tooltip_text (sess->gui->topic_entry, text);
                else
                        gtk_widget_set_tooltip_text (sess->gui->topic_entry, NULL);
                g_free (text);
        }
}

static void
mg_hide_empty_pane (GtkPaned *pane)
{
        if ((gtk_paned_get_child1 (pane) == NULL || !gtk_widget_get_visible (gtk_paned_get_child1 (pane))) &&
                (gtk_paned_get_child2 (pane) == NULL || !gtk_widget_get_visible (gtk_paned_get_child2 (pane))))
        {
                gtk_widget_hide (GTK_WIDGET (pane));
                return;
        }

        gtk_widget_show (GTK_WIDGET (pane));
}

static void
mg_hide_empty_boxes (session_gui *gui)
{
        /* hide empty vpanes - so the handle is not shown */
        mg_hide_empty_pane ((GtkPaned*)gui->vpane_right);
        mg_hide_empty_pane ((GtkPaned*)gui->vpane_left);
}

static void
mg_userlist_showhide (session *sess, int show)
{
        session_gui *gui = sess->gui;
        int handle_size;
        int right_size;
        int min_right_size;
        GtkAllocation allocation;

        gtk_widget_get_size_request (gui->user_box, &min_right_size, NULL);
        if (min_right_size < 1)
                min_right_size = 1;

        right_size = MAX (prefs.hex_gui_pane_right_size, min_right_size);

        if (show)
        {
                gtk_widget_show (gui->user_box);
                gui->ul_hidden = 0;

                gtk_widget_get_allocation (gui->hpane_right, &allocation);
                gtk_widget_style_get (GTK_WIDGET (gui->hpane_right), "handle-size", &handle_size, NULL);
                gtk_paned_set_position (GTK_PANED (gui->hpane_right), allocation.width - (right_size + handle_size));
        }
        else
        {
                gtk_widget_hide (gui->user_box);
                gui->ul_hidden = 1;
        }

        mg_hide_empty_boxes (gui);
}

static gboolean
mg_is_userlist_and_tree_combined (void)
{
        if (prefs.hex_gui_tab_pos == POS_TOPLEFT && prefs.hex_gui_ulist_pos == POS_BOTTOMLEFT)
                return TRUE;
        if (prefs.hex_gui_tab_pos == POS_BOTTOMLEFT && prefs.hex_gui_ulist_pos == POS_TOPLEFT)
                return TRUE;

        if (prefs.hex_gui_tab_pos == POS_TOPRIGHT && prefs.hex_gui_ulist_pos == POS_BOTTOMRIGHT)
                return TRUE;
        if (prefs.hex_gui_tab_pos == POS_BOTTOMRIGHT && prefs.hex_gui_ulist_pos == POS_TOPRIGHT)
                return TRUE;

        return FALSE;
}

/* decide if the userlist should be shown or hidden for this tab */

void
mg_decide_userlist (session *sess, gboolean switch_to_current)
{
        /* when called from menu.c we need this */
        if (sess->gui == mg_gui && switch_to_current)
                sess = current_tab;

        if (prefs.hex_gui_ulist_hide)
        {
                mg_userlist_showhide (sess, FALSE);
                return;
        }

        switch (sess->type)
        {
        case SESS_SERVER:
        case SESS_DIALOG:
        case SESS_NOTICES:
        case SESS_SNOTICES:
                if (mg_is_userlist_and_tree_combined ())
                        mg_userlist_showhide (sess, TRUE);      /* show */
                else
                        mg_userlist_showhide (sess, FALSE);     /* hide */
                break;
        default:
                mg_userlist_showhide (sess, TRUE);      /* show */
        }
}

static int ul_tag = 0;

static gboolean
mg_populate_userlist (session *sess)
{
        if (!sess)
                sess = current_tab;

        if (is_session (sess))
        {
                if (sess->type == SESS_DIALOG)
                        mg_set_access_icon (sess->gui, NULL, sess->server->is_away);
                else
                        mg_set_access_icon (sess->gui, get_user_icon (sess->server, sess->me), sess->server->is_away);
                userlist_show (sess);
                userlist_set_value (sess->gui->user_tree, sess->res->old_ul_value);
        }

        ul_tag = 0;
        return 0;
}

/* fill the irc tab with a new channel */

static void
mg_populate (session *sess)
{
        session_gui *gui = sess->gui;
        restore_gui *res = sess->res;
        int i, render = TRUE;
        guint16 vis = gui->ul_hidden;
        GtkAllocation allocation;

        switch (sess->type)
        {
        case SESS_DIALOG:
                /* show the dialog buttons */
                gtk_widget_show (gui->dialogbutton_box);
                /* hide the chan-mode buttons */
                gtk_widget_hide (gui->topicbutton_box);
                /* hide the userlist */
                mg_decide_userlist (sess, FALSE);
                /* shouldn't edit the topic */
                gtk_text_view_set_editable (GTK_TEXT_VIEW (gui->topic_entry), FALSE);
                /* might be hidden from server tab */
                if (prefs.hex_gui_topicbar)
                        gtk_widget_show (gui->topic_bar);
                break;
        case SESS_SERVER:
                if (prefs.hex_gui_mode_buttons)
                        gtk_widget_show (gui->topicbutton_box);
                /* hide the dialog buttons */
                gtk_widget_hide (gui->dialogbutton_box);
                /* hide the userlist */
                mg_decide_userlist (sess, FALSE);
                /* servers don't have topics */
                gtk_widget_hide (gui->topic_bar);
                break;
        default:
                /* hide the dialog buttons */
                gtk_widget_hide (gui->dialogbutton_box);
                if (prefs.hex_gui_mode_buttons)
                        gtk_widget_show (gui->topicbutton_box);
                /* show the userlist */
                mg_decide_userlist (sess, FALSE);
                /* let the topic be edited */
                gtk_text_view_set_editable (GTK_TEXT_VIEW (gui->topic_entry), TRUE);
                if (prefs.hex_gui_topicbar)
                        gtk_widget_show (gui->topic_bar);
        }

        /* move to THE irc tab */
        if (gui->is_tab)
                gtk_notebook_set_current_page (GTK_NOTEBOOK (gui->note_book), 0);

        /* xtext size change? Then don't render, wait for the expose caused
      by showing/hidding the userlist */
        gtk_widget_get_allocation (gui->user_box, &allocation);
        if (vis != gui->ul_hidden && allocation.width > 1)
                render = FALSE;

        gtk_xtext_buffer_show (GTK_XTEXT (gui->xtext), res->buffer, render);

        if (gui->is_tab)
                gtk_widget_set_sensitive (gui->menu, TRUE);

        if (res->topic_text)
        {
                GtkTextBuffer *topic_buffer;

                topic_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (gui->topic_entry));
                gtk_text_buffer_set_text (topic_buffer, res->topic_text, -1);
                g_free (res->topic_text);
                res->topic_text = NULL;
        } else
        {
                GtkTextBuffer *topic_buffer;

                topic_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (gui->topic_entry));
                gtk_text_buffer_set_text (topic_buffer, "", -1);
        }
        mg_restore_speller (gui->input_box, &res->input_text);
        mg_restore_entry (gui->key_entry, &res->key_text);
        mg_restore_entry (gui->limit_entry, &res->limit_text);
        mg_restore_label (gui->laginfo, &res->lag_text);
        mg_restore_label (gui->throttleinfo, &res->queue_text);

        mg_focus (sess);
        fe_set_title (sess);

        /* this one flickers, so only change if necessary */
        if (strcmp (sess->server->nick, gtk_button_get_label (GTK_BUTTON (gui->nick_label))) != 0)
                gtk_button_set_label (GTK_BUTTON (gui->nick_label), sess->server->nick);

        /* this is slow, so make it a timeout event */
        if (!gui->is_tab)
        {
                mg_populate_userlist (sess);
        } else
        {
                if (ul_tag == 0)
                        ul_tag = g_idle_add ((GSourceFunc)mg_populate_userlist, NULL);
        }

        fe_userlist_numbers (sess);

        /* restore all the channel mode buttons */
        ignore_chanmode = TRUE;
        for (i = 0; i < NUM_FLAG_WIDS - 1; i++)
        {
                /* Hide if mode not supported */
                if (sess->server && strchr (sess->server->chanmodes, chan_flags[i]) == NULL)
                        gtk_widget_hide (sess->gui->flag_wid[i]);
                else
                        gtk_widget_show (sess->gui->flag_wid[i]);

                /* Update state */
                gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (gui->flag_wid[i]),
                                                                        res->flag_wid_state[i]);
        }
        ignore_chanmode = FALSE;

        if (gui->lagometer)
        {
                gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (gui->lagometer),
                                                                                                 res->lag_value);
                if (res->lag_tip)
                        gtk_widget_set_tooltip_text (gtk_widget_get_parent (sess->gui->lagometer), res->lag_tip);
        }
        if (gui->throttlemeter)
        {
                gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (gui->throttlemeter),
                                                                                                 res->queue_value);
                if (res->queue_tip)
                        gtk_widget_set_tooltip_text (gtk_widget_get_parent (sess->gui->throttlemeter), res->queue_tip);
        }

        /* did this tab have a connecting graph? restore it.. */
        if (res->c_graph)
        {
                res->c_graph = FALSE;
                mg_progressbar_create (gui);
        }

        /* menu items */
        menu_set_away (gui, sess->server->is_away);
        gtk_widget_set_sensitive (gui->menu_item[MENU_ID_AWAY], sess->server->connected);
        gtk_widget_set_sensitive (gui->menu_item[MENU_ID_JOIN], sess->server->end_of_motd);
        gtk_widget_set_sensitive (gui->menu_item[MENU_ID_DISCONNECT],
                                                                          sess->server->connected || sess->server->recondelay_tag);

        mg_set_topic_tip (sess);

        plugin_emit_dummy_print (sess, "Focus Tab");
}

void
mg_bring_tofront_sess (session *sess)   /* IRC tab or window */
{
        if (sess->gui->is_tab)
                chan_focus (sess->res->tab);
        else
                gtk_window_present (GTK_WINDOW (sess->gui->window));
}

void
mg_bring_tofront (GtkWidget *vbox)      /* non-IRC tab or window */
{
        chan *ch;

        ch = g_object_get_data (G_OBJECT (vbox), "ch");
        if (ch)
                chan_focus (ch);
        else
                gtk_window_present (GTK_WINDOW (gtk_widget_get_toplevel (vbox)));
}

void
mg_switch_page (int relative, int num)
{
        if (mg_gui)
                chanview_move_focus (mg_gui->chanview, relative, num);
}

/* a toplevel IRC window was destroyed */

static void
mg_topdestroy_cb (GtkWidget *win, session *sess)
{
        session_free (sess);    /* tell zoitechat.c about it */
}

/* cleanup an IRC tab */

static void
mg_ircdestroy (session *sess)
{
        GSList *list;

        session_free (sess);    /* tell zoitechat.c about it */

        if (mg_gui == NULL)
        {
                return;
        }

        list = sess_list;
        while (list)
        {
                sess = list->data;
                if (sess->gui->is_tab)
                {
                        return;
                }
                list = list->next;
        }

        gtk_widget_destroy (mg_gui->window);
        active_tab = NULL;
        mg_gui = NULL;
        parent_window = NULL;
}

static void
mg_tab_close_cb (GtkWidget *dialog, gint arg1, session *sess)
{
        GSList *list, *next;

        gtk_widget_destroy (dialog);
        if (arg1 == GTK_RESPONSE_OK && is_session (sess))
        {
                /* force it NOT to send individual PARTs */
                sess->server->sent_quit = TRUE;

                for (list = sess_list; list;)
                {
                        next = list->next;
                        if (((session *)list->data)->server == sess->server &&
                                 ((session *)list->data) != sess)
                                fe_close_window ((session *)list->data);
                        list = next;
                }

                /* just send one QUIT - better for BNCs */
                sess->server->sent_quit = FALSE;
                fe_close_window (sess);
        }
}

void
mg_tab_close (session *sess)
{
        GtkWidget *dialog;
        GSList *list;
        int i;

        if (chan_remove (sess->res->tab, FALSE))
        {
                sess->res->tab = NULL;
                mg_ircdestroy (sess);
        }
        else
        {
                for (i = 0, list = sess_list; list; list = list->next)
                {
                        session *s = (session*)list->data;
                        if (s->server == sess->server && (s->type == SESS_CHANNEL || s->type == SESS_DIALOG))
                                i++;
                }
                dialog = gtk_message_dialog_new (GTK_WINDOW (parent_window), 0,
                                                GTK_MESSAGE_WARNING, GTK_BUTTONS_OK_CANCEL,
                                                _("This server still has %d channels or dialogs associated with it. "
                                                  "Close them all?"), i);
	theme_manager_attach_window (dialog);
                g_signal_connect (G_OBJECT (dialog), "response",
                                                                G_CALLBACK (mg_tab_close_cb), sess);
                if (prefs.hex_gui_tab_layout)
                {
                        gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE);
                }
                else
                {
                        gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_CENTER_ON_PARENT);
                }
                gtk_widget_show (dialog);
        }
}

static void
mg_menu_destroy (GtkWidget *menu, gpointer userdata)
{
        gtk_widget_destroy (menu);
        g_object_unref (menu);
}

void
mg_create_icon_item (char *label, char *stock, GtkWidget *menu,
                                                        void *callback, void *userdata)
{
        GtkWidget *item;

        item = create_icon_menu (label, stock, TRUE);
        gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
        g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (callback),
                                                        userdata);
        gtk_widget_show (item);
}

static int
mg_count_networks (void)
{
        int cons = 0;
        GSList *list;

        for (list = serv_list; list; list = list->next)
        {
                if (((server *)list->data)->connected)
                        cons++;
        }
        return cons;
}

static int
mg_count_dccs (void)
{
        GSList *list;
        struct DCC *dcc;
        int dccs = 0;

        list = dcc_list;
        while (list)
        {
                dcc = list->data;
                if ((dcc->type == TYPE_SEND || dcc->type == TYPE_RECV) &&
                         dcc->dccstat == STAT_ACTIVE)
                        dccs++;
                list = list->next;
        }

        return dccs;
}

void
mg_open_quit_dialog (gboolean minimize_button)
{
        static GtkWidget *dialog = NULL;
	GtkWidget *dialog_vbox1;
	GtkWidget *table1;
	GtkWidget *image;
	GtkWidget *checkbutton1;
	GtkWidget *label;
	GtkWidget *button;
	char *text, *connecttext;
	int cons;
	int dccs;

        if (dialog)
        {
                gtk_window_present (GTK_WINDOW (dialog));
                return;
        }

        dccs = mg_count_dccs ();
        cons = mg_count_networks ();
        if (dccs + cons == 0 || !prefs.hex_gui_quit_dialog)
        {
                zoitechat_exit ();
                return;
        }

        dialog = gtk_dialog_new ();
	theme_manager_attach_window (dialog);
        gtk_container_set_border_width (GTK_CONTAINER (dialog), 6);
        gtk_window_set_title (GTK_WINDOW (dialog), _("Quit ZoiteChat?"));
        gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (parent_window));
        gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);

        dialog_vbox1 = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
        gtk_widget_show (dialog_vbox1);

        table1 = gtk_grid_new ();
        gtk_widget_show (table1);
        gtk_box_pack_start (GTK_BOX (dialog_vbox1), table1, TRUE, TRUE, 0);
        gtk_container_set_border_width (GTK_CONTAINER (table1), 6);
        gtk_grid_set_row_spacing (GTK_GRID (table1), 12);
        gtk_grid_set_column_spacing (GTK_GRID (table1), 12);

        image = gtk_image_new_from_icon_name ("dialog-warning", GTK_ICON_SIZE_DIALOG);
        gtk_widget_show (image);
        gtk_widget_set_hexpand (image, FALSE);
        gtk_widget_set_vexpand (image, FALSE);
        gtk_widget_set_halign (image, GTK_ALIGN_FILL);
        gtk_widget_set_valign (image, GTK_ALIGN_FILL);
        gtk_grid_attach (GTK_GRID (table1), image, 0, 0, 1, 1);

        checkbutton1 = gtk_check_button_new_with_mnemonic (_("Don't ask next time."));
        gtk_widget_show (checkbutton1);
        gtk_widget_set_hexpand (checkbutton1, TRUE);
        gtk_widget_set_vexpand (checkbutton1, FALSE);
        gtk_widget_set_halign (checkbutton1, GTK_ALIGN_FILL);
        gtk_widget_set_valign (checkbutton1, GTK_ALIGN_CENTER);
        gtk_widget_set_margin_top (checkbutton1, 4);
        gtk_widget_set_margin_bottom (checkbutton1, 4);
        gtk_grid_attach (GTK_GRID (table1), checkbutton1, 0, 1, 2, 1);

        connecttext = g_strdup_printf (_("You are connected to %i IRC networks."), cons);
        text = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">%s</span>\n\n%s\n%s",
                                                                _("Are you sure you want to quit?"),
                                                                cons ? connecttext : "",
                                                                dccs ? _("Some file transfers are still active.") : "");
        g_free (connecttext);
        label = gtk_label_new (text);
        g_free (text);
        gtk_widget_show (label);
        mg_set_label_alignment_start (label);
        gtk_widget_set_hexpand (label, TRUE);
        gtk_widget_set_vexpand (label, TRUE);
        gtk_widget_set_halign (label, GTK_ALIGN_FILL);
        gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
        gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
        gtk_grid_attach (GTK_GRID (table1), label, 1, 0, 1, 1);
        gtk_label_set_use_markup (GTK_LABEL (label), TRUE);


	if (minimize_button && gtkutil_tray_icon_supported (GTK_WINDOW(dialog)))
	{
		button = gtk_button_new_with_mnemonic (_("_Minimize to Tray"));
		gtk_widget_show (button);
                gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button, 1);
        }

        button = gtk_button_new_with_mnemonic (_("_Cancel"));
        gtk_button_set_image (GTK_BUTTON (button),
                              gtkutil_image_new_from_stock ("gtk-cancel", GTK_ICON_SIZE_BUTTON));
        gtk_widget_show (button);
        gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button,
                                                                                        GTK_RESPONSE_CANCEL);
        gtk_widget_grab_focus (button);

        button = gtk_button_new_with_mnemonic (_("_Quit"));
        gtk_button_set_image (GTK_BUTTON (button),
                              gtk_image_new_from_icon_name ("application-exit", GTK_ICON_SIZE_BUTTON));
        gtk_widget_show (button);
        gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button, 0);

        gtk_widget_show (dialog);

        switch (gtk_dialog_run (GTK_DIALOG (dialog)))
        {
        case 0:
                if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbutton1)))
                        prefs.hex_gui_quit_dialog = 0;
                zoitechat_exit ();
                break;
        case 1: /* minimize to tray */
                if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbutton1)))
                {
                        prefs.hex_gui_tray_close = 1;
                        /*prefs.hex_gui_quit_dialog = 0;*/
                }
                /* force tray icon ON, if not already */
                if (!prefs.hex_gui_tray)
                {
                        prefs.hex_gui_tray = 1;
                        tray_apply_setup ();
                }
                tray_toggle_visibility (TRUE);
                break;
        }

        gtk_widget_destroy (dialog);
        dialog = NULL;
}

void
mg_close_sess (session *sess)
{
        if (sess_list->next == NULL)
        {
                mg_open_quit_dialog (FALSE);
                return;
        }

        fe_close_window (sess);
}

static int
mg_chan_remove (chan *ch)
{
        /* remove the tab from chanview */
        chan_remove (ch, TRUE);
        /* any tabs left? */
        if (chanview_get_size (mg_gui->chanview) < 1)
        {
                /* if not, destroy the main tab window */
                gtk_widget_destroy (mg_gui->window);
                current_tab = NULL;
                active_tab = NULL;
                mg_gui = NULL;
                parent_window = NULL;
                return TRUE;
        }
        return FALSE;
}

/* destroy non-irc tab/window */

static void
mg_close_gen (chan *ch, GtkWidget *box)
{
        if (!ch)
                ch = g_object_get_data (G_OBJECT (box), "ch");
        if (ch)
        {
                /* remove from notebook */
                gtk_widget_destroy (box);
                /* remove the tab from chanview */
                mg_chan_remove (ch);
        } else
        {
                gtk_widget_destroy (gtk_widget_get_toplevel (box));
        }
}

/* the "X" close button has been pressed (tab-view) */

static void
mg_xbutton_cb (chanview *cv, chan *ch, int tag, gpointer userdata)
{
        if (tag == TAG_IRC)     /* irc tab */
                mg_close_sess (userdata);
        else                                            /* non-irc utility tab */
                mg_close_gen (ch, userdata);
}

static void
mg_link_gentab (chan *ch, GtkWidget *box)
{
        int num;
        GtkWidget *win;

        g_object_ref (box);

        num = gtk_notebook_page_num (GTK_NOTEBOOK (mg_gui->note_book), box);
        gtk_notebook_remove_page (GTK_NOTEBOOK (mg_gui->note_book), num);
        mg_chan_remove (ch);

        win = gtkutil_window_new (g_object_get_data (G_OBJECT (box), "title"), "",
                                                                          GPOINTER_TO_INT (g_object_get_data (G_OBJECT (box), "w")),
                                                                          GPOINTER_TO_INT (g_object_get_data (G_OBJECT (box), "h")),
                                                                          2);
        /* so it doesn't try to chan_remove (there's no tab anymore) */
        g_object_steal_data (G_OBJECT (box), "ch");
        gtk_container_set_border_width (GTK_CONTAINER (box), 0);
        gtk_container_add (GTK_CONTAINER (win), box);
        gtk_widget_show (win);

        g_object_unref (box);
}

static void
mg_detach_tab_cb (GtkWidget *item, chan *ch)
{
        if (chan_get_tag (ch) == TAG_IRC)       /* IRC tab */
        {
                /* userdata is session * */
                mg_link_irctab (chan_get_userdata (ch), 1);
                return;
        }

        /* userdata is GtkWidget * */
        mg_link_gentab (ch, chan_get_userdata (ch));    /* non-IRC tab */
}

static void
mg_destroy_tab_cb (GtkWidget *item, chan *ch)
{
        /* treat it just like the X button press */
        mg_xbutton_cb (mg_gui->chanview, ch, chan_get_tag (ch), chan_get_userdata (ch));
}

static void
mg_color_insert (GtkWidget *item, gpointer userdata)
{
        char buf[32];
        char *text;
        int num = GPOINTER_TO_INT (userdata);

        if (num > 99)
        {
                switch (num)
                {
                case 100:
                        text = "\002"; break;
                case 101:
                        text = "\037"; break;
                case 102:
                        text = "\035"; break;
                case 103:
                        text = "\036"; break;
                default:
                        text = "\017"; break;
                }
                key_action_insert (current_sess->gui->input_box, 0, text, 0, 0);
        } else
        {
                sprintf (buf, "\003%02d", num);
                key_action_insert (current_sess->gui->input_box, 0, buf, 0, 0);
        }
}

static void
mg_markup_item (GtkWidget *menu, char *text, int arg)
{
        GtkWidget *item;

        item = gtk_menu_item_new_with_label ("");
        gtk_label_set_markup (GTK_LABEL (gtk_bin_get_child (GTK_BIN (item))), text);
        g_signal_connect (G_OBJECT (item), "activate",
                                                        G_CALLBACK (mg_color_insert), GINT_TO_POINTER (arg));
        gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
        gtk_widget_show (item);
}

GtkWidget *
mg_submenu (GtkWidget *menu, char *text)
{
        GtkWidget *submenu, *item;

        item = gtk_menu_item_new_with_mnemonic (text);
        gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
        gtk_widget_show (item);

        submenu = gtk_menu_new ();
        gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), submenu);
        gtk_widget_show (submenu);

        return submenu;
}

static void
mg_create_color_menu (GtkWidget *menu, session *sess)
{
        GtkWidget *submenu;
        GtkWidget *subsubmenu;
        char buf[256];
        int i;

        submenu = mg_submenu (menu, _("Insert Attribute or Color Code"));

        mg_markup_item (submenu, _("<b>Bold</b>"), 100);
        mg_markup_item (submenu, _("<u>Underline</u>"), 101);
        mg_markup_item (submenu, _("<i>Italic</i>"), 102);
        mg_markup_item (submenu, _("<s>Strikethrough</s>"), 103);
        mg_markup_item (submenu, _("Normal"), 999);

        subsubmenu = mg_submenu (submenu, _("Colors 0-7"));

        for (i = 0; i < 8; i++)
        {
                guint16 red;
                guint16 green;
                guint16 blue;

                GdkRGBA color;

                if (!theme_get_mirc_color ((unsigned int) i, &color))
                        continue;
                red = (guint16) CLAMP (color.red * 65535.0 + 0.5, 0.0, 65535.0);
                green = (guint16) CLAMP (color.green * 65535.0 + 0.5, 0.0, 65535.0);
                blue = (guint16) CLAMP (color.blue * 65535.0 + 0.5, 0.0, 65535.0);
                sprintf (buf, "<tt><sup>%02d</sup> <span background=\"#%02x%02x%02x\">"
                                        "   </span></tt>",
                                i, red >> 8, green >> 8, blue >> 8);
                mg_markup_item (subsubmenu, buf, i);
        }

        subsubmenu = mg_submenu (submenu, _("Colors 8-15"));

        for (i = 8; i < 16; i++)
        {
                guint16 red;
                guint16 green;
                guint16 blue;

                GdkRGBA color;

                if (!theme_get_mirc_color ((unsigned int) i, &color))
                        continue;
                red = (guint16) CLAMP (color.red * 65535.0 + 0.5, 0.0, 65535.0);
                green = (guint16) CLAMP (color.green * 65535.0 + 0.5, 0.0, 65535.0);
                blue = (guint16) CLAMP (color.blue * 65535.0 + 0.5, 0.0, 65535.0);
                sprintf (buf, "<tt><sup>%02d</sup> <span background=\"#%02x%02x%02x\">"
                                        "   </span></tt>",
                                i, red >> 8, green >> 8, blue >> 8);
                mg_markup_item (subsubmenu, buf, i);
        }
}

static void
mg_set_guint8 (GtkCheckMenuItem *item, guint8 *setting)
{
        session *sess = current_sess;
        guint8 logging = sess->text_logging;

        *setting = SET_OFF;
        if (gtk_check_menu_item_get_active (item))
                *setting = SET_ON;

        /* has the logging setting changed? */
        if (logging != sess->text_logging)
                log_open_or_close (sess);

        chanopt_save (sess);
        chanopt_save_all (FALSE);
}

static void
mg_perchan_menu_item (char *label, GtkWidget *menu, guint8 *setting, guint global)
{
        guint8 initial_value = *setting;

        /* if it's using global value, use that as initial state */
        if (initial_value == SET_DEFAULT)
                initial_value = global;

        menu_toggle_item (label, menu, mg_set_guint8, setting, initial_value);
}

static void
mg_create_perchannelmenu (session *sess, GtkWidget *menu)
{
        GtkWidget *submenu;

        submenu = menu_quick_sub (_("_Settings"), menu, NULL, XCMENU_MNEMONIC, -1);

        mg_perchan_menu_item (_("_Log to Disk"), submenu, &sess->text_logging, prefs.hex_irc_logging);
        mg_perchan_menu_item (_("_Reload Scrollback"), submenu, &sess->text_scrollback, prefs.hex_text_replay);
        if (sess->type == SESS_CHANNEL)
        {
                mg_perchan_menu_item (_("Strip _Colors"), submenu, &sess->text_strip, prefs.hex_text_stripcolor_msg);
                mg_perchan_menu_item (_("_Hide Join/Part Messages"), submenu, &sess->text_hidejoinpart, prefs.hex_irc_conf_mode);
        }
}

static void
mg_create_alertmenu (session *sess, GtkWidget *menu)
{
        GtkWidget *submenu;
        int hex_balloon, hex_beep, hex_tray, hex_flash;


        switch (sess->type) {
                case SESS_DIALOG:
                        hex_balloon = prefs.hex_input_balloon_priv;
                        hex_beep = prefs.hex_input_beep_priv;
                        hex_tray = prefs.hex_input_tray_priv;
                        hex_flash = prefs.hex_input_flash_priv;
                        break;
                default:
                        hex_balloon = prefs.hex_input_balloon_chans;
                        hex_beep = prefs.hex_input_beep_chans;
                        hex_tray = prefs.hex_input_tray_chans;
                        hex_flash = prefs.hex_input_flash_chans;
        }

        submenu = menu_quick_sub(_("_Extra Alerts"), menu, NULL, XCMENU_MNEMONIC, -1);

        mg_perchan_menu_item(_("Show Notifications"), submenu, &sess->alert_balloon, hex_balloon);

        mg_perchan_menu_item(_("Beep on _Message"), submenu, &sess->alert_beep, hex_beep);

        mg_perchan_menu_item(_("Blink Tray _Icon"), submenu, &sess->alert_tray, hex_tray);

        mg_perchan_menu_item(_("Blink Task _Bar"), submenu, &sess->alert_taskbar, hex_flash);
}

static void
mg_create_tabmenu (session *sess, GdkEventButton *event, chan *ch)
{
        GtkWidget *menu, *item;
        char buf[256];

        menu = gtk_menu_new ();

        if (sess)
        {
                char *name = g_markup_escape_text (sess->channel[0] ? sess->channel : _("<none>"), -1);
                g_snprintf (buf, sizeof (buf), "<span foreground=\"#3344cc\"><b>%s</b></span>", name);
                g_free (name);

                item = gtk_menu_item_new_with_label ("");
                gtk_label_set_markup (GTK_LABEL (gtk_bin_get_child (GTK_BIN (item))), buf);
                gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
                gtk_widget_show (item);

                /* separator */
                menu_quick_item (0, 0, menu, XCMENU_SHADED, 0, 0);

                /* per-channel alerts */
                mg_create_alertmenu (sess, menu);

                /* per-channel settings */
                mg_create_perchannelmenu (sess, menu);

                /* separator */
                menu_quick_item (0, 0, menu, XCMENU_SHADED, 0, 0);

                if (sess->type == SESS_CHANNEL)
                        menu_addfavoritemenu (sess->server, menu, sess->channel, TRUE);
                else if (sess->type == SESS_SERVER)
                        menu_addconnectmenu (sess->server, menu);
        }

        mg_create_icon_item (_("_Detach"), ICON_TAB_DETACH, menu,
                                                                mg_detach_tab_cb, ch);
        mg_create_icon_item (_("_Close"), ICON_TAB_CLOSE, menu,
                                                                mg_destroy_tab_cb, ch);
        if (sess && tabmenu_list)
                menu_create (menu, tabmenu_list, sess->channel, FALSE);
        if (sess)
                menu_add_plugin_items (menu, "\x4$TAB", sess->channel);

        if (event->window)
                gtk_menu_set_screen (GTK_MENU (menu), gdk_window_get_screen (event->window));
        g_object_ref (menu);
        g_object_ref_sink (menu);
        g_object_unref (menu);
        g_signal_connect (G_OBJECT (menu), "selection-done",
                                                        G_CALLBACK (mg_menu_destroy), NULL);
        gtk_menu_popup_at_pointer (GTK_MENU (menu), (GdkEvent *)event);
}

static gboolean
mg_tab_contextmenu_cb (chanview *cv, chan *ch, int tag, gpointer ud, GdkEventButton *event)
{
        /* middle-click to close a tab */
        if (((prefs.hex_gui_tab_middleclose && event->button == 2))
                && event->type == GDK_BUTTON_PRESS)
        {
                mg_xbutton_cb (cv, ch, tag, ud);
                return TRUE;
        }

        if (event->button != 3)
                return FALSE;

        if (tag == TAG_IRC)
                mg_create_tabmenu (ud, event, ch);
        else
                mg_create_tabmenu (NULL, event, ch);

        return TRUE;
}

void
mg_dnd_drop_file (session *sess, char *target, char *uri)
{
        char *p, *data, *next, *fname;

        p = data = g_strdup (uri);
        while (*p)
        {
                next = strchr (p, '\r');
                if (g_ascii_strncasecmp ("file:", p, 5) == 0)
                {
                        if (next)
                                *next = 0;
                        fname = g_filename_from_uri (p, NULL, NULL);
                        if (fname)
                        {
                                /* dcc_send() expects utf-8 */
                                p = g_filename_from_utf8 (fname, -1, 0, 0, 0);
                                if (p)
                                {
                                        dcc_send (sess, target, p, prefs.hex_dcc_max_send_cps, 0);
                                        g_free (p);
                                }
                                g_free (fname);
                        }
                }
                if (!next)
                        break;
                p = next + 1;
                if (*p == '\n')
                        p++;
        }
        g_free (data);

}

static void
mg_dialog_dnd_drop (GtkWidget * widget, GdkDragContext * context, gint x,
                                                  gint y, GtkSelectionData * selection_data, guint info,
                                                  guint32 time, gpointer ud)
{
        if (current_sess->type == SESS_DIALOG)
                /* sess->channel is really the nickname of dialogs */
                mg_dnd_drop_file (current_sess, current_sess->channel, (char *)gtk_selection_data_get_data (selection_data));
}

/* add a tabbed channel */

static void
mg_add_chan (session *sess)
{
        GdkPixbuf *icon;
        char *name = _("<none>");

        if (sess->channel[0])
                name = sess->channel;

        switch (sess->type)
        {
        case SESS_CHANNEL:
                icon = pix_tree_channel;
                break;
        case SESS_SERVER:
                icon = pix_tree_server;
                break;
        default:
                icon = pix_tree_dialog;
        }

        sess->res->tab = chanview_add (sess->gui->chanview, name, sess->server, sess,
                                                                                         sess->type == SESS_SERVER ? FALSE : TRUE,
                                                                                         TAG_IRC, icon);
        if (plain_list == NULL)
                mg_create_tab_colors ();

        chan_set_color (sess->res->tab, plain_list);

        if (sess->res->buffer == NULL)
        {
                sess->res->buffer = gtk_xtext_buffer_new (GTK_XTEXT (sess->gui->xtext));
                gtk_xtext_set_time_stamp (sess->res->buffer, prefs.hex_stamp_text);
                sess->res->user_model = userlist_create_model (sess);
        }
}

static void
mg_userlist_button (GtkWidget * box, char *label, char *cmd,
                                                  int a, int b, int c, int d)
{
        GtkWidget *wid = gtk_button_new_with_label (label);
        g_signal_connect (G_OBJECT (wid), "clicked",
                                                        G_CALLBACK (userlist_button_cb), cmd);
        gtk_widget_set_hexpand (wid, TRUE);
        gtk_widget_set_vexpand (wid, TRUE);
        gtk_widget_set_halign (wid, GTK_ALIGN_FILL);
        gtk_widget_set_valign (wid, GTK_ALIGN_FILL);
        gtk_grid_attach (GTK_GRID (box), wid, a, c, b - a, d - c);
        show_and_unfocus (wid);
}

static GtkWidget *
mg_create_userlistbuttons (GtkWidget *box)
{
        struct popup *pop;
        GSList *list = button_list;
        int a = 0, b = 0;
        GtkWidget *tab;

        tab = gtk_grid_new ();
        gtk_box_pack_end (GTK_BOX (box), tab, FALSE, FALSE, 0);

        while (list)
        {
                pop = list->data;
                if (pop->cmd[0])
                {
                        mg_userlist_button (tab, pop->name, pop->cmd, a, a + 1, b, b + 1);
                        a++;
                        if (a == 2)
                        {
                                a = 0;
                                b++;
                        }
                }
                list = list->next;
        }

        return tab;
}

static void
mg_topic_cb (GtkWidget *entry)
{
        session *sess = current_sess;
        GtkTextBuffer *topic_buffer;
        GtkTextIter start;
        GtkTextIter end;
        char *text;

        if (sess->channel[0] && sess->server->connected && sess->type == SESS_CHANNEL)
        {
                topic_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (entry));
                gtk_text_buffer_get_bounds (topic_buffer, &start, &end);
                text = gtk_text_buffer_get_text (topic_buffer, &start, &end, FALSE);
                if (text[0] == 0)
                        sess->server->p_topic (sess->server, sess->channel, NULL);
                else
                        sess->server->p_topic (sess->server, sess->channel, text);
                g_free (text);
        } else
        {
                topic_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (entry));
                gtk_text_buffer_set_text (topic_buffer, "", -1);
        }
        /* restore focus to the input widget, where the next input will most
likely be */
        gtk_widget_grab_focus (sess->gui->input_box);
}

static gboolean
mg_topic_key_press_cb (GtkWidget *entry, GdkEventKey *event, gpointer userdata)
{
        if (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)
        {
                mg_topic_cb (entry);
                return TRUE;
        }

        return FALSE;
}

static char *
mg_topic_get_word_at_pos (GtkWidget *entry, gdouble event_x, gdouble event_y, int *word_pos)
{
        GtkTextBuffer *buffer;
        GtkTextIter iter;
        GtkTextIter start;
        GtkTextIter end;
        GtkTextIter cursor;
        int x;
        int y;

        x = (int)event_x;
        y = (int)event_y;
        gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (entry), GTK_TEXT_WINDOW_TEXT,
                                               x, y, &x, &y);
        gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (entry), &iter, x, y);

        cursor = iter;
        start = iter;
        while (!gtk_text_iter_starts_line (&start))
        {
                GtkTextIter prev = start;
                gunichar ch;

                gtk_text_iter_backward_char (&prev);
                ch = gtk_text_iter_get_char (&prev);
                if (g_unichar_isspace (ch))
                        break;
                start = prev;
        }

        end = iter;
        while (!gtk_text_iter_ends_line (&end))
        {
                gunichar ch;

                ch = gtk_text_iter_get_char (&end);
                if (ch == 0 || g_unichar_isspace (ch))
                        break;
                gtk_text_iter_forward_char (&end);
        }

        if (gtk_text_iter_equal (&start, &end))
                return NULL;

        if (word_pos)
        {
                char *prefix;

                buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (entry));
                prefix = gtk_text_buffer_get_text (buffer, &start, &cursor, FALSE);
                *word_pos = (int)strlen (prefix);
                g_free (prefix);
        }

        buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (entry));
        return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
}

static void
mg_topic_set_cursor (GtkWidget *entry, GdkCursorType cursor_type)
{
        GdkWindow *text_window;
        GdkDisplay *display;
        GdkCursor *cursor;

        text_window = gtk_text_view_get_window (GTK_TEXT_VIEW (entry), GTK_TEXT_WINDOW_TEXT);
        if (!text_window)
                return;

        display = gdk_window_get_display (text_window);
        cursor = gdk_cursor_new_for_display (display, cursor_type);
        gdk_window_set_cursor (text_window, cursor);
        g_object_unref (cursor);
}

static gboolean
mg_topic_word_is_clickable (const char *word, int word_pos)
{
        int start;
        int end;

        if (!word || word[0] == 0)
                return FALSE;

        if (strcmp (word, "/") == 0)
                return FALSE;

        if (url_check_word (word) == 0)
                return FALSE;

        url_last (&start, &end);
        return word_pos >= start && word_pos < end;
}

static gboolean
mg_topic_motion_cb (GtkWidget *entry, GdkEventMotion *event, gpointer userdata)
{
        char *word;
        int word_pos;
        gboolean word_is_clickable;

        word_pos = 0;
        word = mg_topic_get_word_at_pos (entry, event->x, event->y, &word_pos);
        word_is_clickable = mg_topic_word_is_clickable (word, word_pos);
        if (word_is_clickable)
                mg_topic_set_cursor (entry, GDK_HAND2);
        else
                mg_topic_set_cursor (entry, GDK_XTERM);
        g_free (word);

        return FALSE;
}

static gboolean
mg_topic_leave_cb (GtkWidget *entry, GdkEventCrossing *event, gpointer userdata)
{
        mg_topic_set_cursor (entry, GDK_XTERM);
        return FALSE;
}

static gboolean
mg_topic_button_release_cb (GtkWidget *entry, GdkEventButton *event, gpointer userdata)
{
        char *word;
        int word_pos;
        int start;
        int end;

        if (event->button != 1)
                return FALSE;

        word_pos = 0;
        word = mg_topic_get_word_at_pos (entry, event->x, event->y, &word_pos);
        if (!word)
                return FALSE;

        if (mg_topic_word_is_clickable (word, word_pos))
        {
                url_last (&start, &end);
                word[end] = 0;
                fe_open_url (word + start);
                g_free (word);
                return TRUE;
        }

        g_free (word);
        return FALSE;
}

static void
mg_tabwindow_kill_cb (GtkWidget *win, gpointer userdata)
{
        GSList *list, *next;
        session *sess;

        mg_flush_config_save ();

        zoitechat_is_quitting = TRUE;

        /* see if there's any non-tab windows left */
        list = sess_list;
        while (list)
        {
                sess = list->data;
                next = list->next;
                if (!sess->gui->is_tab)
                {
                        zoitechat_is_quitting = FALSE;
                } else
                {
                        mg_ircdestroy (sess);
                }
                list = next;
        }

        current_tab = NULL;
        active_tab = NULL;
        mg_gui = NULL;
        parent_window = NULL;
}

static GtkWidget *
mg_changui_destroy (session *sess)
{
        GtkWidget *ret = NULL;

        if (sess->gui->is_tab)
        {
                /* avoid calling the "destroy" callback */
                g_signal_handlers_disconnect_by_func (G_OBJECT (sess->gui->window),
                                                                                                                  mg_tabwindow_kill_cb, 0);
                /* remove the tab from the chanview */
                if (!mg_chan_remove (sess->res->tab))
                        /* if the window still exists, restore the signal handler */
                        g_signal_connect (G_OBJECT (sess->gui->window), "destroy",
                                                                        G_CALLBACK (mg_tabwindow_kill_cb), 0);
        } else
        {
                /* avoid calling the "destroy" callback */
                g_signal_handlers_disconnect_by_func (G_OBJECT (sess->gui->window),
                                                                                                                  mg_topdestroy_cb, sess);
                /* don't destroy until the new one is created. Not sure why, but */
                /* it fixes: Gdk-CRITICAL **: gdk_colormap_get_screen: */
                /*           assertion `GDK_IS_COLORMAP (cmap)' failed */
                ret = sess->gui->window;
                g_free (sess->gui);
                sess->gui = NULL;
        }
        return ret;
}

static void
mg_link_irctab (session *sess, int focus)
{
        GtkWidget *win;

        if (sess->gui->is_tab)
        {
                win = mg_changui_destroy (sess);
                mg_changui_new (sess, sess->res, 0, focus);
                mg_populate (sess);
                zoitechat_is_quitting = FALSE;
                if (win)
                        gtk_widget_destroy (win);
                return;
        }

        mg_unpopulate (sess);
        win = mg_changui_destroy (sess);
        mg_changui_new (sess, sess->res, 1, focus);
        /* the buffer is now attached to a different widget */
        ((xtext_buffer *)sess->res->buffer)->xtext = (GtkXText *)sess->gui->xtext;
        if (win)
                gtk_widget_destroy (win);
}

void
mg_detach (session *sess, int mode)
{
        switch (mode)
        {
        /* detach only */
        case 1:
                if (sess->gui->is_tab)
                        mg_link_irctab (sess, 1);
                break;
        /* attach only */
        case 2:
                if (!sess->gui->is_tab)
                        mg_link_irctab (sess, 1);
                break;
        /* toggle */
        default:
                mg_link_irctab (sess, 1);
        }
}

static int
check_is_number (char *t)
{
        while (*t)
        {
                if (*t < '0' || *t > '9')
                        return FALSE;
                t++;
        }
        return TRUE;
}

static void
mg_change_flag (GtkWidget * wid, session *sess, char flag)
{
        server *serv = sess->server;
        char mode[3];

        mode[1] = flag;
        mode[2] = '\0';
        if (serv->connected && sess->channel[0])
        {
                if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (wid)))
                        mode[0] = '+';
                else
                        mode[0] = '-';
                serv->p_mode (serv, sess->channel, mode);
                serv->p_join_info (serv, sess->channel);
                sess->ignore_mode = TRUE;
                sess->ignore_date = TRUE;
        }
}

static void
flagl_hit (GtkWidget * wid, struct session *sess)
{
        char modes[512];
        const char *limit_str;
        server *serv = sess->server;

        if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (wid)))
        {
                if (serv->connected && sess->channel[0])
                {
                        limit_str = gtk_entry_get_text (GTK_ENTRY (sess->gui->limit_entry));
                        if (check_is_number ((char *)limit_str) == FALSE)
                        {
                                fe_message (_("User limit must be a number!\n"), FE_MSG_ERROR);
                                gtk_entry_set_text (GTK_ENTRY (sess->gui->limit_entry), "");
                                gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (wid), FALSE);
                                return;
                        }
                        g_snprintf (modes, sizeof (modes), "+l %d", atoi (limit_str));
                        serv->p_mode (serv, sess->channel, modes);
                        serv->p_join_info (serv, sess->channel);
                }
        } else
                mg_change_flag (wid, sess, 'l');
}

static void
flagk_hit (GtkWidget * wid, struct session *sess)
{
        char modes[512];
        server *serv = sess->server;

        if (serv->connected && sess->channel[0])
        {
                g_snprintf (modes, sizeof (modes), "-k %s", 
                          gtk_entry_get_text (GTK_ENTRY (sess->gui->key_entry)));

                if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (wid)))
                        modes[0] = '+';

                serv->p_mode (serv, sess->channel, modes);
        }
}

static void
mg_flagbutton_cb (GtkWidget *but, char *flag)
{
        session *sess;
        char mode;

        if (ignore_chanmode)
                return;

        sess = current_sess;
        mode = tolower ((unsigned char) flag[0]);

        switch (mode)
        {
        case 'l':
                flagl_hit (but, sess);
                break;
        case 'k':
                flagk_hit (but, sess);
                break;
        case 'b':
                ignore_chanmode = TRUE;
                gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (sess->gui->flag_b), FALSE);
                ignore_chanmode = FALSE;
                banlist_opengui (sess);
                break;
        default:
                mg_change_flag (but, sess, mode);
        }
}

static GtkWidget *
mg_create_flagbutton (char *tip, GtkWidget *box, char *face)
{
        GtkWidget *btn, *lbl;
        char label_markup[16];

        g_snprintf (label_markup, sizeof(label_markup), "<tt>%s</tt>", face);
        lbl = gtk_label_new (NULL);
        gtk_label_set_markup (GTK_LABEL(lbl), label_markup);

        btn = gtk_toggle_button_new ();
        gtk_widget_set_size_request (btn, -1, 11);
        gtk_widget_set_tooltip_text (btn, tip);
        gtk_button_set_relief (GTK_BUTTON (btn), GTK_RELIEF_NONE);
        mg_apply_compact_mode_css (btn);
        gtk_container_add (GTK_CONTAINER(btn), lbl);

        gtk_box_pack_start (GTK_BOX (box), btn, 0, 0, 0);
        g_signal_connect (G_OBJECT (btn), "toggled",
                                                        G_CALLBACK (mg_flagbutton_cb), face);
        show_and_unfocus (btn);

        return btn;
}

static void
mg_key_entry_cb (GtkWidget * igad, gpointer userdata)
{
        char modes[512];
        session *sess = current_sess;
        server *serv = sess->server;

        if (serv->connected && sess->channel[0])
        {
                g_snprintf (modes, sizeof (modes), "+k %s",
                                gtk_entry_get_text (GTK_ENTRY (igad)));
                serv->p_mode (serv, sess->channel, modes);
                serv->p_join_info (serv, sess->channel);
        }
}

static void
mg_limit_entry_cb (GtkWidget * igad, gpointer userdata)
{
        char modes[512];
        session *sess = current_sess;
        server *serv = sess->server;

        if (serv->connected && sess->channel[0])
        {
                if (check_is_number ((char *)gtk_entry_get_text (GTK_ENTRY (igad))) == FALSE)
                {
                        gtk_entry_set_text (GTK_ENTRY (igad), "");
                        fe_message (_("User limit must be a number!\n"), FE_MSG_ERROR);
                        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (sess->gui->flag_l), FALSE);
                        return;
                }
                g_snprintf (modes, sizeof(modes), "+l %d", 
                                atoi (gtk_entry_get_text (GTK_ENTRY (igad))));
                serv->p_mode (serv, sess->channel, modes);
                serv->p_join_info (serv, sess->channel);
        }
}

static void
mg_apply_entry_style (GtkWidget *entry)
{
	theme_manager_apply_entry_palette (entry, input_style->font_desc);
}

static gboolean
mg_entry_select_all (GtkWidget *entry, GdkEventKey *event, gpointer userdata)
{
	if ((event->state & GDK_CONTROL_MASK) &&
		!(event->state & (GDK_SHIFT_MASK | GDK_MOD1_MASK | GDK_META_MASK)) &&
		(event->keyval == GDK_KEY_a || event->keyval == GDK_KEY_A))
	{
		gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
		return TRUE;
	}

	return FALSE;
}

static void
mg_create_chanmodebuttons (session_gui *gui, GtkWidget *box)
{
        gui->flag_c = mg_create_flagbutton (_("Filter Colors"), box, "c");
        gui->flag_n = mg_create_flagbutton (_("No outside messages"), box, "n");
        gui->flag_t = mg_create_flagbutton (_("Topic Protection"), box, "t");
        gui->flag_i = mg_create_flagbutton (_("Invite Only"), box, "i");
        gui->flag_m = mg_create_flagbutton (_("Moderated"), box, "m");
        gui->flag_b = mg_create_flagbutton (_("Ban List"), box, "b");

        gui->flag_k = mg_create_flagbutton (_("Keyword"), box, "k");
        gui->key_entry = gtk_entry_new ();
        gtk_widget_set_name (gui->key_entry, "zoitechat-inputbox");
        gtk_entry_set_max_length (GTK_ENTRY (gui->key_entry), 23);
        gtk_widget_set_size_request (gui->key_entry, 115, 11);
        gtk_box_pack_start (GTK_BOX (box), gui->key_entry, 0, 0, 0);
        mg_apply_emoji_fallback_widget (gui->key_entry);
        mg_apply_compact_mode_css (gui->key_entry);
        g_signal_connect (G_OBJECT (gui->key_entry), "activate",
                                                        G_CALLBACK (mg_key_entry_cb), NULL);
        g_signal_connect (G_OBJECT (gui->key_entry), "key-press-event",
                                                        G_CALLBACK (mg_entry_select_all), NULL);

        if (prefs.hex_gui_input_style)
                mg_apply_entry_style (gui->key_entry);

        gui->flag_l = mg_create_flagbutton (_("User Limit"), box, "l");
        gui->limit_entry = gtk_entry_new ();
        gtk_widget_set_name (gui->limit_entry, "zoitechat-inputbox");
        gtk_entry_set_max_length (GTK_ENTRY (gui->limit_entry), 10);
        gtk_widget_set_size_request (gui->limit_entry, 30, 11);
        gtk_box_pack_start (GTK_BOX (box), gui->limit_entry, 0, 0, 0);
        mg_apply_emoji_fallback_widget (gui->limit_entry);
        mg_apply_compact_mode_css (gui->limit_entry);
        g_signal_connect (G_OBJECT (gui->limit_entry), "activate",
                                                        G_CALLBACK (mg_limit_entry_cb), NULL);
        g_signal_connect (G_OBJECT (gui->limit_entry), "key-press-event",
                                                        G_CALLBACK (mg_entry_select_all), NULL);

        if (prefs.hex_gui_input_style)
                mg_apply_entry_style (gui->limit_entry);
}

/*static void
mg_create_link_buttons (GtkWidget *box, gpointer userdata)
{
        gtkutil_button (box, ICON_TAB_CLOSE, _("Close this tab/window"),
                                                 mg_x_click_cb, userdata, 0);

        if (!userdata)
        gtkutil_button (box, ICON_TAB_DETACH, _("Attach/Detach this tab"),
                                                 mg_link_cb, userdata, 0);
}*/

static void
mg_dialog_button_cb (GtkWidget *wid, char *cmd)
{
        /* the longest cmd is 12, and the longest nickname is 64 */
        char buf[128];
        char *host = "";
        char *topic;
        char *topic_text;
        GtkTextBuffer *topic_buffer;
        GtkTextIter start;
        GtkTextIter end;

        if (!current_sess)
                return;

        topic_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (current_sess->gui->topic_entry));
        gtk_text_buffer_get_bounds (topic_buffer, &start, &end);
        topic_text = gtk_text_buffer_get_text (topic_buffer, &start, &end, FALSE);
        topic = strrchr (topic_text, '@');
        if (topic)
                host = topic + 1;

        auto_insert (buf, sizeof (buf), cmd, 0, 0, "", "", "",
                                         server_get_network (current_sess->server, TRUE), host, "",
                                         current_sess->channel, "");

        handle_command (current_sess, buf, TRUE);
        g_free (topic_text);

        /* dirty trick to avoid auto-selection */
        SPELL_ENTRY_SET_EDITABLE (current_sess->gui->input_box, FALSE);
        gtk_widget_grab_focus (current_sess->gui->input_box);
        SPELL_ENTRY_SET_EDITABLE (current_sess->gui->input_box, TRUE);
}

static void
mg_dialog_button (GtkWidget *box, char *name, char *cmd)
{
        GtkWidget *wid;

        wid = gtk_button_new_with_label (name);
        gtk_box_pack_start (GTK_BOX (box), wid, FALSE, FALSE, 0);
        g_signal_connect (G_OBJECT (wid), "clicked",
                                                        G_CALLBACK (mg_dialog_button_cb), cmd);
        gtk_widget_set_size_request (wid, -1, 0);
}

static void
mg_create_dialogbuttons (GtkWidget *box)
{
        struct popup *pop;
        GSList *list = dlgbutton_list;

        while (list)
        {
                pop = list->data;
                if (pop->cmd[0])
                        mg_dialog_button (box, pop->name, pop->cmd);
                list = list->next;
        }
}

static void
mg_create_topicbar (session *sess, GtkWidget *box)
{
	GtkWidget *vbox, *hbox, *mode_hbox, *topic, *bbox;
	session_gui *gui = sess->gui;

	gui->topic_bar = vbox = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 0);
	gtk_box_pack_start (GTK_BOX (box), vbox, 0, 0, 0);

	hbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
	gtk_box_pack_start (GTK_BOX (vbox), hbox, 0, 0, 0);

        if (!gui->is_tab)
                sess->res->tab = NULL;

        gui->topic_entry = topic = gtk_text_view_new ();
        gtk_widget_set_name (topic, "zoitechat-inputbox");
        gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (topic), GTK_WRAP_WORD_CHAR);
        gtk_text_view_set_left_margin (GTK_TEXT_VIEW (topic), 4);
        gtk_text_view_set_right_margin (GTK_TEXT_VIEW (topic), 4);
        gtk_box_pack_start (GTK_BOX (hbox), topic, TRUE, TRUE, 0);
        mg_apply_emoji_fallback_widget (topic);
        gtk_widget_add_events (topic, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
                                      GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK);
        g_signal_connect (G_OBJECT (topic), "key-press-event",
                                                        G_CALLBACK (mg_topic_key_press_cb), NULL);
        g_signal_connect (G_OBJECT (topic), "button-release-event",
                                                        G_CALLBACK (mg_topic_button_release_cb), NULL);
        g_signal_connect (G_OBJECT (topic), "motion-notify-event",
                                                        G_CALLBACK (mg_topic_motion_cb), NULL);
        g_signal_connect (G_OBJECT (topic), "leave-notify-event",
                                                        G_CALLBACK (mg_topic_leave_cb), NULL);

	gui->dialogbutton_box = bbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
	gtk_box_pack_start (GTK_BOX (hbox), bbox, 0, 0, 0);
	mg_create_dialogbuttons (bbox);

	mode_hbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
	gtk_box_pack_start (GTK_BOX (vbox), mode_hbox, 0, 0, 0);

	gui->topicbutton_box = bbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
	gtk_box_pack_end (GTK_BOX (mode_hbox), bbox, 0, 0, 0);
	mg_create_chanmodebuttons (gui, bbox);
}

/* check if a word is clickable */

static int
mg_word_check (GtkWidget * xtext, char *word)
{
        session *sess = current_sess;
        int ret;

        ret = url_check_word (word);
        if (ret == 0 && sess->type == SESS_DIALOG)
                return WORD_DIALOG;

        return ret;
}

/* mouse click inside text area */

static void
mg_word_clicked (GtkWidget *xtext, char *word, GdkEventButton *even)
{
        session *sess = current_sess;
        int word_type = 0, start, end;
        char *tmp;

        if (word)
        {
                word_type = mg_word_check (xtext, word);
                url_last (&start, &end);
        }

        if (even->button == 1)                  /* left button */
        {
                if (word == NULL)
                {
                        mg_focus (sess);
                        return;
                }

                if ((even->state & 13) == prefs.hex_gui_url_mod)
                {
                        switch (word_type)
                        {
                        case WORD_URL:
                        case WORD_HOST6:
                        case WORD_HOST:
                                word[end] = 0;
                                fe_open_url (word + start);
                        }
                }
                return;
        }

        if (even->button == 2)
        {
                if (sess->type == SESS_DIALOG)
                        menu_middlemenu (sess, even);
                else if (even->type == GDK_2BUTTON_PRESS)
                        userlist_select (sess, word);
                return;
        }
        if (word == NULL)
                return;

        switch (word_type)
        {
        case 0:
        case WORD_PATH:
                menu_middlemenu (sess, even);
                break;
        case WORD_URL:
        case WORD_HOST6:
        case WORD_HOST:
                word[end] = 0;
                word += start;
                menu_urlmenu (even, word);
                break;
        case WORD_NICK:
                word[end] = 0;
                word += start;
                menu_nickmenu (sess, even, word, FALSE);
                break;
        case WORD_CHANNEL:
                word[end] = 0;
                word += start;
                menu_chanmenu (sess, even, word);
                break;
        case WORD_EMAIL:
                word[end] = 0;
                word += start;
                tmp = g_strdup_printf ("mailto:%s", word + (ispunct (*word) ? 1 : 0));
                menu_urlmenu (even, tmp);
                g_free (tmp);
                break;
        case WORD_DIALOG:
                menu_nickmenu (sess, even, sess->channel, FALSE);
                break;
        }
}

void
mg_update_xtext (GtkWidget *wid)
{
        GtkXText *xtext = GTK_XTEXT (wid);
        const gchar *font_name;
        XTextColor xtext_palette[XTEXT_COLS];

        theme_get_xtext_colors_for_widget (wid, xtext_palette, XTEXT_COLS);
        gtk_xtext_set_palette (xtext, xtext_palette);
        gtk_xtext_set_max_lines (xtext, prefs.hex_text_max_lines);
        gtk_xtext_set_background (xtext, channelwin_pix);
        gtk_xtext_set_wordwrap (xtext, prefs.hex_text_wordwrap);
        gtk_xtext_set_show_marker (xtext, prefs.hex_text_show_marker);
        gtk_xtext_set_show_separator (xtext, prefs.hex_text_indent ? prefs.hex_text_show_sep : 0);
        gtk_xtext_set_indent (xtext, prefs.hex_text_indent);

        font_name = *prefs.hex_text_font
                ? prefs.hex_text_font
                : "Sans 10";
        if (!gtk_xtext_set_font (xtext, (char *)font_name))
        {
                fe_message ("Failed to open any font. I'm out of here!", FE_MSG_WAIT | FE_MSG_ERROR);
                exit (1);
        }

        gtk_xtext_refresh (xtext);
}

static void
mg_create_textarea (session *sess, GtkWidget *box)
{
        GtkWidget *inbox, *vbox, *frame;
        GtkXText *xtext;
        XTextColor xtext_palette[XTEXT_COLS];
        session_gui *gui = sess->gui;
        static const GtkTargetEntry dnd_targets[] =
        {
                {"text/uri-list", 0, 1}
        };
        static const GtkTargetEntry dnd_dest_targets[] =
        {
                {"ZOITECHAT_CHANVIEW", GTK_TARGET_SAME_APP, 75 },
                {"ZOITECHAT_USERLIST", GTK_TARGET_SAME_APP, 75 }
        };

        vbox = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 0);
        gtk_box_pack_start (GTK_BOX (box), vbox, TRUE, TRUE, 0);
        inbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 2);
        gtk_box_pack_start (GTK_BOX (vbox), inbox, TRUE, TRUE, 0);

        frame = gtk_frame_new (NULL);
        gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
        gtk_box_pack_start (GTK_BOX (inbox), frame, TRUE, TRUE, 0);

        theme_get_xtext_colors_for_widget (frame, xtext_palette, XTEXT_COLS);
        gui->xtext = gtk_xtext_new (xtext_palette, TRUE);
        xtext = GTK_XTEXT (gui->xtext);
        gtk_xtext_set_max_indent (xtext, prefs.hex_text_max_indent);
        gtk_xtext_set_thin_separator (xtext, prefs.hex_text_thin_sep);
        gtk_xtext_set_urlcheck_function (xtext, mg_word_check);
        gtk_xtext_set_max_lines (xtext, prefs.hex_text_max_lines);
        gtk_container_add (GTK_CONTAINER (frame), GTK_WIDGET (xtext));

        mg_update_xtext (GTK_WIDGET (xtext));

        g_signal_connect (G_OBJECT (xtext), "word_click",
                                                        G_CALLBACK (mg_word_clicked), NULL);

        gui->vscrollbar = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL,
                                             GTK_XTEXT (xtext)->adj);
        gtk_box_pack_start (GTK_BOX (inbox), gui->vscrollbar, FALSE, TRUE, 0);

        gtk_drag_dest_set (gui->vscrollbar, 5, dnd_dest_targets, 2,
                                                         GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_LINK);
        g_signal_connect (G_OBJECT (gui->vscrollbar), "drag-begin",
                                                        G_CALLBACK (mg_drag_begin_cb), NULL);
        g_signal_connect (G_OBJECT (gui->vscrollbar), "drag-drop",
                                                        G_CALLBACK (mg_drag_drop_cb), NULL);
        g_signal_connect (G_OBJECT (gui->vscrollbar), "drag-motion",
                                                        G_CALLBACK (mg_drag_motion_cb), gui->vscrollbar);
        g_signal_connect (G_OBJECT (gui->vscrollbar), "drag-end",
                                                        G_CALLBACK (mg_drag_end_cb), NULL);

        gtk_drag_dest_set (gui->xtext, GTK_DEST_DEFAULT_ALL, dnd_targets, 1,
                                                         GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_LINK);
        g_signal_connect (G_OBJECT (gui->xtext), "drag-data-received",
                                                        G_CALLBACK (mg_dialog_dnd_drop), NULL);
}

static GtkWidget *
mg_create_infoframe (GtkWidget *box)
{
        GtkWidget *frame, *label, *hbox;

        frame = gtk_frame_new (0);
        gtk_frame_set_shadow_type ((GtkFrame*)frame, GTK_SHADOW_OUT);
        gtk_box_pack_start (GTK_BOX (box), frame, FALSE, TRUE, 0);

        hbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
        gtk_container_add (GTK_CONTAINER (frame), hbox);

        label = gtk_label_new (NULL);
        gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);

        return label;
}

static void
mg_create_meters (session_gui *gui, GtkWidget *parent_box)
{
        GtkWidget *infbox, *wid, *box;

        gui->meter_box = infbox = box = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 1);
        gtk_box_pack_start (GTK_BOX (parent_box), box, 0, 0, 0);

        if ((prefs.hex_gui_lagometer & 2) || (prefs.hex_gui_throttlemeter & 2))
        {
                infbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
                gtk_box_pack_start (GTK_BOX (box), infbox, 0, 0, 0);
        }

        if (prefs.hex_gui_lagometer & 1)
        {
                gui->lagometer = wid = gtk_progress_bar_new ();
#ifdef WIN32
                gtk_widget_set_size_request (wid, 1, 10);
#else
                gtk_widget_set_size_request (wid, 1, 8);
#endif

                wid = gtk_event_box_new ();
                gtk_container_add (GTK_CONTAINER (wid), gui->lagometer);
                gtk_box_pack_start (GTK_BOX (box), wid, 0, 0, 0);
        }
        if (prefs.hex_gui_lagometer & 2)
        {
                gui->laginfo = wid = mg_create_infoframe (infbox);
                gtk_label_set_text ((GtkLabel *) wid, "Lag");
        }

        if (prefs.hex_gui_throttlemeter & 1)
        {
                gui->throttlemeter = wid = gtk_progress_bar_new ();
#ifdef WIN32
                gtk_widget_set_size_request (wid, 1, 10);
#else
                gtk_widget_set_size_request (wid, 1, 8);
#endif

                wid = gtk_event_box_new ();
                gtk_container_add (GTK_CONTAINER (wid), gui->throttlemeter);
                gtk_box_pack_start (GTK_BOX (box), wid, 0, 0, 0);
        }
        if (prefs.hex_gui_throttlemeter & 2)
        {
                gui->throttleinfo = wid = mg_create_infoframe (infbox);
                gtk_label_set_text ((GtkLabel *) wid, "Throttle");
        }
}

void
mg_update_meters (session_gui *gui)
{
        gtk_widget_destroy (gui->meter_box);
        gui->lagometer = NULL;
        gui->laginfo = NULL;
        gui->throttlemeter = NULL;
        gui->throttleinfo = NULL;

        mg_create_meters (gui, gui->button_box_parent);
        gtk_widget_show_all (gui->meter_box);
}

static void
mg_theme_apply_userlist_style (session_gui *gui)
{
	const PangoFontDescription *font = NULL;

	if (!gui || !gui->user_tree)
		return;

	if (input_style)
		font = input_style->font_desc;

	theme_manager_apply_userlist_style (gui->user_tree,
			theme_manager_get_userlist_palette_behavior (font));
}

static void
mg_theme_userlist_changed (const ThemeChangedEvent *event, gpointer userdata)
{
	session_gui *gui = userdata;

	if (!theme_changed_event_has_reason (event, THEME_CHANGED_REASON_USERLIST) &&
	    !theme_changed_event_has_reason (event, THEME_CHANGED_REASON_PALETTE) &&
	    !theme_changed_event_has_reason (event, THEME_CHANGED_REASON_WIDGET_STYLE) &&
	    !theme_changed_event_has_reason (event, THEME_CHANGED_REASON_MODE) &&
	    !theme_changed_event_has_reason (event, THEME_CHANGED_REASON_THEME_PACK))
		return;

	mg_theme_apply_userlist_style (gui);
}

static void
mg_theme_window_changed (const ThemeChangedEvent *event, gpointer userdata)
{
	session_gui *gui = userdata;

	if (!theme_changed_event_has_reason (event, THEME_CHANGED_REASON_MODE) &&
	    !theme_changed_event_has_reason (event, THEME_CHANGED_REASON_THEME_PACK) &&
	    !theme_changed_event_has_reason (event, THEME_CHANGED_REASON_WIDGET_STYLE))
		return;

	if (gui)
		theme_manager_apply_to_window (gui->window);
}

static void
mg_theme_userlist_destroy_cb (GtkWidget *widget, gpointer userdata)
{
	session_gui *gui = userdata;

	(void) widget;
	if (!gui)
		return;
	if (gui->theme_userlist_listener_id)
	{
		theme_listener_unregister (gui->theme_userlist_listener_id);
		gui->theme_userlist_listener_id = 0;
	}
}

static void
mg_theme_window_destroy_cb (GtkWidget *widget, gpointer userdata)
{
	session_gui *gui = userdata;

	(void) widget;
	if (!gui)
		return;
	theme_manager_detach_window (gui->window);
	if (gui->theme_window_listener_id)
	{
		theme_listener_unregister (gui->theme_window_listener_id);
		gui->theme_window_listener_id = 0;
	}
}

static void
mg_create_userlist (session_gui *gui, GtkWidget *box)
{
        GtkWidget *ulist, *vbox;

        vbox = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 1);
        gtk_box_pack_start (GTK_BOX (box), vbox, TRUE, TRUE, 0);

        gui->namelistinfo = gtk_label_new (NULL);
        gtk_label_set_xalign (GTK_LABEL (gui->namelistinfo), 0.0f);
        gtk_widget_set_halign (gui->namelistinfo, GTK_ALIGN_START);
        if (prefs.hex_gui_ulist_count)
                gtk_box_pack_start (GTK_BOX (vbox), gui->namelistinfo, 0, 0, 0);

        gui->user_tree = ulist = userlist_create (vbox);

        if (!gui->theme_userlist_listener_id)
                gui->theme_userlist_listener_id = theme_listener_register ("maingui.userlist", mg_theme_userlist_changed, gui);
        g_signal_connect (G_OBJECT (ulist), "destroy", G_CALLBACK (mg_theme_userlist_destroy_cb), gui);
        mg_theme_apply_userlist_style (gui);

        mg_create_meters (gui, vbox);

        gui->button_box_parent = vbox;
        gui->button_box = mg_create_userlistbuttons (vbox);
}

static void
mg_vpane_cb (GtkPaned *pane, GParamSpec *param, session_gui *gui)
{
        prefs.hex_gui_pane_divider_position = gtk_paned_get_position (pane);
}

static void
mg_leftpane_cb (GtkPaned *pane, GParamSpec *param, session_gui *gui)
{
        prefs.hex_gui_pane_left_size = gtk_paned_get_position (pane);
}

static void
mg_rightpane_cb (GtkPaned *pane, GParamSpec *param, session_gui *gui)
{
        int handle_size;
        GtkAllocation allocation;

        gtk_widget_style_get (GTK_WIDGET (pane), "handle-size", &handle_size, NULL);
        /* record the position from the RIGHT side */
        gtk_widget_get_allocation (GTK_WIDGET(pane), &allocation);
        prefs.hex_gui_pane_right_size = allocation.width - gtk_paned_get_position (pane) - handle_size;
}

static gboolean
mg_add_pane_signals (session_gui *gui)
{
        g_signal_connect (G_OBJECT (gui->hpane_right), "notify::position",
                                                        G_CALLBACK (mg_rightpane_cb), gui);
        g_signal_connect (G_OBJECT (gui->hpane_left), "notify::position",
                                                        G_CALLBACK (mg_leftpane_cb), gui);
        g_signal_connect (G_OBJECT (gui->vpane_left), "notify::position",
                                                        G_CALLBACK (mg_vpane_cb), gui);
        g_signal_connect (G_OBJECT (gui->vpane_right), "notify::position",
                                                        G_CALLBACK (mg_vpane_cb), gui);
        return FALSE;
}

static void
mg_create_center (session *sess, session_gui *gui, GtkWidget *box)
{
        GtkWidget *vbox, *hbox, *book;

        /* sep between top and bottom of left side */
        gui->vpane_left = gtk_paned_new (GTK_ORIENTATION_VERTICAL);

        /* sep between top and bottom of right side */
        gui->vpane_right = gtk_paned_new (GTK_ORIENTATION_VERTICAL);

	/* sep between left and xtext */
	gui->hpane_left = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
	gtk_paned_set_wide_handle (GTK_PANED (gui->hpane_left), FALSE);
	gtk_paned_set_position (GTK_PANED (gui->hpane_left), prefs.hex_gui_pane_left_size);

	/* sep between xtext and right side */
	gui->hpane_right = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);

        if (prefs.hex_gui_win_swap)
        {
                gtk_paned_pack2 (GTK_PANED (gui->hpane_left), gui->vpane_left, FALSE, FALSE);
			    gtk_paned_pack1 (GTK_PANED (gui->hpane_left), gui->hpane_right, TRUE, TRUE);
        }
        else
        {
                gtk_paned_pack1 (GTK_PANED (gui->hpane_left), gui->vpane_left, FALSE, FALSE);
			    gtk_paned_pack2 (GTK_PANED (gui->hpane_left), gui->hpane_right, TRUE, TRUE);
        }
        gtk_paned_pack2 (GTK_PANED (gui->hpane_right), gui->vpane_right, FALSE, TRUE);

        gtk_box_pack_start (GTK_BOX (box), gui->hpane_left, TRUE, TRUE, 0);

        gui->note_book = book = gtk_notebook_new ();
        gtk_notebook_set_show_tabs (GTK_NOTEBOOK (book), FALSE);
        gtk_notebook_set_show_border (GTK_NOTEBOOK (book), FALSE);
        gtk_paned_pack1 (GTK_PANED (gui->hpane_right), book, TRUE, TRUE);

        hbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
        gtk_paned_pack1 (GTK_PANED (gui->vpane_right), hbox, FALSE, TRUE);
        mg_create_userlist (gui, hbox);

        gui->user_box = hbox;

        vbox = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 3);
        gtk_notebook_append_page (GTK_NOTEBOOK (book), vbox, NULL);
        mg_create_topicbar (sess, vbox);

        if (prefs.hex_gui_search_pos)
        {
                mg_create_search (sess, vbox);
                mg_create_textarea (sess, vbox);
        }
        else
        {
                mg_create_textarea (sess, vbox);
                mg_create_search (sess, vbox);
        }

        mg_create_entry (sess, vbox);

        mg_add_pane_signals (gui);
}

static void
mg_change_nick (int cancel, char *text, gpointer userdata)
{
        char buf[256];

        if (!cancel)
        {
                g_snprintf (buf, sizeof (buf), "nick %s", text);
                handle_command (current_sess, buf, FALSE);
        }
}

static void
mg_nickclick_cb (GtkWidget *button, gpointer userdata)
{
        fe_get_str (_("Enter new nickname:"), current_sess->server->nick,
                                        mg_change_nick, (void *) 1);
}

/* make sure chanview and userlist positions are sane */

static void
mg_sanitize_positions (int *cv, int *ul)
{
        if (prefs.hex_gui_tab_layout == 2)
        {
                /* treeview can't be on TOP or BOTTOM */
                if (*cv == POS_TOP || *cv == POS_BOTTOM)
                        *cv = POS_TOPLEFT;
        }

        /* userlist can't be on TOP or BOTTOM */
        if (*ul == POS_TOP || *ul == POS_BOTTOM)
                *ul = POS_TOPRIGHT;

        /* can't have both in the same place */
        if (*cv == *ul)
        {
                *cv = POS_TOPRIGHT;
                if (*ul == POS_TOPRIGHT)
                        *cv = POS_BOTTOMRIGHT;
        }
}

static void
mg_place_userlist_and_chanview_real (session_gui *gui, GtkWidget *userlist, GtkWidget *chanview)
{
        int unref_userlist = FALSE;
        int unref_chanview = FALSE;

        /* first, remove userlist/treeview from their containers */
        if (userlist && gtk_widget_get_parent (userlist))
        {
                g_object_ref (userlist);
                gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (userlist)), userlist);
                unref_userlist = TRUE;
        }

        if (chanview && gtk_widget_get_parent (chanview))
        {
                g_object_ref (chanview);
                gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (chanview)), chanview);
                unref_chanview = TRUE;
        }

        if (chanview)
        {
                /* incase the previous pos was POS_HIDDEN */
                gtk_widget_show (chanview);

                gtk_widget_set_margin_top (chanview, 0);
                gtk_widget_set_margin_bottom (chanview, 0);

                /* then place them back in their new positions */
                switch (prefs.hex_gui_tab_pos)
                {
                case POS_TOPLEFT:
                        gtk_paned_pack1 (GTK_PANED (gui->vpane_left), chanview, FALSE, TRUE);
                        break;
                case POS_BOTTOMLEFT:
                        gtk_paned_pack2 (GTK_PANED (gui->vpane_left), chanview, FALSE, TRUE);
                        break;
                case POS_TOPRIGHT:
                        gtk_paned_pack1 (GTK_PANED (gui->vpane_right), chanview, FALSE, TRUE);
                        break;
                case POS_BOTTOMRIGHT:
                        gtk_paned_pack2 (GTK_PANED (gui->vpane_right), chanview, FALSE, TRUE);
                        break;
                case POS_TOP:
                        gtk_widget_set_margin_bottom (chanview, GUI_SPACING - 1);
                        gtk_widget_set_hexpand (chanview, FALSE);
                        gtk_widget_set_vexpand (chanview, FALSE);
                        gtk_widget_set_halign (chanview, GTK_ALIGN_FILL);
                        gtk_widget_set_valign (chanview, GTK_ALIGN_FILL);
                        gtk_grid_attach (GTK_GRID (gui->main_table), chanview,
                                                                        1, 1, 1, 1);
                        break;
                case POS_HIDDEN:
                        gtk_widget_hide (chanview);
                        /* always attach it to something to avoid ref_count=0 */
                        if (prefs.hex_gui_ulist_pos == POS_TOP)
                        {
                                gtk_widget_set_hexpand (chanview, FALSE);
                                gtk_widget_set_vexpand (chanview, FALSE);
                                gtk_widget_set_halign (chanview, GTK_ALIGN_FILL);
                                gtk_widget_set_valign (chanview, GTK_ALIGN_FILL);
                                gtk_grid_attach (GTK_GRID (gui->main_table), chanview,
                                                                                1, 3, 1, 1);
                        }

                        else
                        {
                                gtk_widget_set_hexpand (chanview, FALSE);
                                gtk_widget_set_vexpand (chanview, FALSE);
                                gtk_widget_set_halign (chanview, GTK_ALIGN_FILL);
                                gtk_widget_set_valign (chanview, GTK_ALIGN_FILL);
                                gtk_grid_attach (GTK_GRID (gui->main_table), chanview,
                                                                                1, 1, 1, 1);
                        }
                        break;
                default:/* POS_BOTTOM */
                        gtk_widget_set_margin_top (chanview, 3);
                        gtk_widget_set_hexpand (chanview, FALSE);
                        gtk_widget_set_vexpand (chanview, FALSE);
                        gtk_widget_set_halign (chanview, GTK_ALIGN_FILL);
                        gtk_widget_set_valign (chanview, GTK_ALIGN_FILL);
                        gtk_grid_attach (GTK_GRID (gui->main_table), chanview,
                                                                        1, 3, 1, 1);
                }
        }

        if (userlist)
        {
                switch (prefs.hex_gui_ulist_pos)
                {
                case POS_TOPLEFT:
                        gtk_paned_pack1 (GTK_PANED (gui->vpane_left), userlist, FALSE, TRUE);
                        break;
                case POS_BOTTOMLEFT:
                        gtk_paned_pack2 (GTK_PANED (gui->vpane_left), userlist, FALSE, TRUE);
                        break;
                case POS_BOTTOMRIGHT:
                        gtk_paned_pack2 (GTK_PANED (gui->vpane_right), userlist, FALSE, TRUE);
                        break;
                /*case POS_HIDDEN:
                        break;*/        /* Hide using the VIEW menu instead */
                default:/* POS_TOPRIGHT */
                        gtk_paned_pack1 (GTK_PANED (gui->vpane_right), userlist, FALSE, TRUE);
                }
        }

        if (mg_is_userlist_and_tree_combined () && prefs.hex_gui_pane_divider_position != 0)
        {
                gtk_paned_set_position (GTK_PANED (gui->vpane_left), prefs.hex_gui_pane_divider_position);
                gtk_paned_set_position (GTK_PANED (gui->vpane_right), prefs.hex_gui_pane_divider_position);
        }

        if (unref_chanview)
                g_object_unref (chanview);
        if (unref_userlist)
                g_object_unref (userlist);

        mg_hide_empty_boxes (gui);
}

static void
mg_place_userlist_and_chanview (session_gui *gui)
{
        GtkOrientation orientation;
        GtkWidget *chanviewbox = NULL;
        int pos;

        mg_sanitize_positions (&prefs.hex_gui_tab_pos, &prefs.hex_gui_ulist_pos);

        if (gui->chanview)
        {
                pos = prefs.hex_gui_tab_pos;

                orientation = chanview_get_orientation (gui->chanview);
                if ((pos == POS_BOTTOM || pos == POS_TOP) && orientation == GTK_ORIENTATION_VERTICAL)
                        chanview_set_orientation (gui->chanview, FALSE);
                else if ((pos == POS_TOPLEFT || pos == POS_BOTTOMLEFT || pos == POS_TOPRIGHT || pos == POS_BOTTOMRIGHT) && orientation == GTK_ORIENTATION_HORIZONTAL)
                        chanview_set_orientation (gui->chanview, TRUE);
                chanviewbox = chanview_get_box (gui->chanview);
        }

        mg_place_userlist_and_chanview_real (gui, gui->user_box, chanviewbox);
}

void
mg_change_layout (int type)
{
        if (mg_gui)
        {
                /* put tabs at the bottom */
                if (type == 0 && prefs.hex_gui_tab_pos != POS_BOTTOM && prefs.hex_gui_tab_pos != POS_TOP)
                        prefs.hex_gui_tab_pos = POS_BOTTOM;

                mg_place_userlist_and_chanview (mg_gui);
                chanview_set_impl (mg_gui->chanview, type);
        }
}

static void
mg_inputbox_rightclick (GtkEntry *entry, GtkWidget *menu)
{
        mg_create_color_menu (menu, NULL);
}

/* ------------------------------------------------------------------------- *
 * Emoji font handling
 *
 * Goal: prefer color emoji fonts when available, without changing existing
 *       font size/style/weight, and without breaking user-configured fonts.
 * ------------------------------------------------------------------------- */

static const char *mg_emoji_family_fallback =
#ifdef G_OS_WIN32
        "Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji, Apple Color Emoji, Twemoji Mozilla, EmojiOne Color";
#else
        "Noto Color Emoji, Segoe UI Emoji, Apple Color Emoji, Twemoji Mozilla, EmojiOne Color";
#endif

static const char *
mg_find_available_icon_name (const char *const *icon_names)
{
        GtkIconTheme *theme;
        int i;

        theme = gtk_icon_theme_get_default ();
        if (!theme || !icon_names)
                return NULL;

        for (i = 0; icon_names[i] != NULL; i++)
        {
                int action;

                if (gtk_icon_theme_has_icon (theme, icon_names[i]))
                        return icon_names[i];

                if (icon_resolver_menu_action_from_name (icon_names[i], &action))
                {
                        char *resource_path = icon_resolver_resolve_path (ICON_RESOLVER_ROLE_MENU_ACTION, action, GTK_ICON_SIZE_MENU, "menu", ICON_RESOLVER_THEME_SYSTEM, NULL);

                        if (resource_path)
                        {
                                g_free (resource_path);
                                return icon_names[i];
                        }
                }
        }

        return NULL;
}

static gboolean
mg_family_already_has_emoji (const gchar *family)
{
        if (!family || !*family)
                return FALSE;

        /* cheap but effective */
        return (strstr (family, "Noto Color Emoji") != NULL) ||
               (strstr (family, "Segoe UI Emoji") != NULL) ||
               (strstr (family, "Apple Color Emoji") != NULL) ||
               (strstr (family, "Twemoji") != NULL) ||
               (strstr (family, "EmojiOne") != NULL);
}

static PangoFontDescription *
mg_fontdesc_with_fallback (const PangoFontDescription *base_desc, gboolean emoji_first)
{
        PangoFontDescription *desc;
        const gchar *base_family;
        gchar *family_list;

        if (!base_desc)
                return NULL;

        desc = pango_font_description_copy (base_desc);
        base_family = pango_font_description_get_family (desc);

        if (mg_family_already_has_emoji (base_family))
                return desc;

        if (emoji_first)
        {
                family_list = g_strdup_printf ("%s, %s",
                        mg_emoji_family_fallback,
                        (base_family && *base_family) ? base_family : "Sans");
        }
        else
        {
                family_list = g_strdup_printf ("%s, %s",
                        (base_family && *base_family) ? base_family : "Sans",
                        mg_emoji_family_fallback);
        }

        pango_font_description_set_family (desc, family_list);
        g_free (family_list);

        return desc;
}

static void
mg_apply_emoji_fallback_widget (GtkWidget *widget)
{
        PangoFontDescription *desc;
        GtkStyleContext *context;
        PangoFontDescription *base_desc = NULL;

        if (!widget)
                return;

        context = gtk_widget_get_style_context (widget);
        if (!context)
                return;

        gtk_style_context_get (context, GTK_STATE_FLAG_NORMAL,
                               "font", &base_desc,
                               NULL);
        if (!base_desc)
                return;

        desc = mg_fontdesc_with_fallback (base_desc, FALSE);
        pango_font_description_free (base_desc);
        if (!desc)
                return;

        mg_apply_font_css (widget, desc, "zoitechat-emoji-font",
                           "zoitechat-emoji-font-provider");
        pango_font_description_free (desc);
}

/* Search bar adapted from Conspire's by William Pitcock */

#define SEARCH_CHANGE           1
#define SEARCH_NEXT                     2
#define SEARCH_PREVIOUS         3
#define SEARCH_REFRESH          4

static void
search_handle_event(int search_type, session *sess)
{
        textentry *last;
        const gchar *text = NULL;
        gtk_xtext_search_flags flags;
        GError *err = NULL;
        gboolean backwards = FALSE;

        /* When just typing show most recent first */
        if (search_type == SEARCH_PREVIOUS || search_type == SEARCH_CHANGE)
                backwards = TRUE;

        flags = ((prefs.hex_text_search_case_match == 1? case_match: 0) |
                                (backwards? backward: 0) |
                                (prefs.hex_text_search_highlight_all == 1? highlight: 0) |
                                (prefs.hex_text_search_follow == 1? follow: 0) |
                                (prefs.hex_text_search_regexp == 1? regexp: 0));

        if (search_type != SEARCH_REFRESH)
                text = gtk_entry_get_text (GTK_ENTRY(sess->gui->shentry));
        last = gtk_xtext_search (GTK_XTEXT (sess->gui->xtext), text, flags, &err);

        if (err)
        {
                gtk_entry_set_icon_from_icon_name (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, ICON_ENTRY_ERROR);
                gtk_entry_set_icon_tooltip_text (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, _(err->message));
                g_error_free (err);
        }
        else if (!last)
        {
                if (text && text[0] == 0) /* empty string, no error */
                {
                        gtk_entry_set_icon_from_icon_name (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, NULL);
                }
                else
                {
                        /* Either end of search or not found, try again to wrap if only end */
                        last = gtk_xtext_search (GTK_XTEXT (sess->gui->xtext), text, flags, &err);
                        if (!last) /* Not found error */
                        {
                                gtk_entry_set_icon_from_icon_name (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, ICON_ENTRY_ERROR);
                                gtk_entry_set_icon_tooltip_text (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, _("No results found."));
                        }
                }
        }
        else
        {
                gtk_entry_set_icon_from_icon_name (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, NULL);
        }
}

static void
search_handle_change(GtkWidget *wid, session *sess)
{
        search_handle_event(SEARCH_CHANGE, sess);
}

static void
search_handle_refresh(GtkWidget *wid, session *sess)
{
        search_handle_event(SEARCH_REFRESH, sess);
}

void
mg_search_handle_previous(GtkWidget *wid, session *sess)
{
        search_handle_event(SEARCH_PREVIOUS, sess);
}

void
mg_search_handle_next(GtkWidget *wid, session *sess)
{
        search_handle_event(SEARCH_NEXT, sess);
}

static void
search_set_option (GtkToggleButton *but, guint *pref)
{
        *pref = gtk_toggle_button_get_active(but);
        if (!save_config ())
                fe_message (_("Could not save zoitechat.conf."), FE_MSG_WARN);
}

void
mg_search_toggle(session *sess)
{
        if (gtk_widget_get_visible(sess->gui->shbox))
        {
                gtk_widget_hide(sess->gui->shbox);
                gtk_widget_grab_focus(sess->gui->input_box);
                gtk_entry_set_text(GTK_ENTRY(sess->gui->shentry), "");
        }
        else
        {
                /* Reset search state */
                gtk_entry_set_icon_from_icon_name (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, NULL);

                /* Show and focus */
                gtk_widget_show(sess->gui->shbox);
                gtk_widget_grab_focus(sess->gui->shentry);
        }
}

static gboolean
search_handle_esc (GtkWidget *win, GdkEventKey *key, session *sess)
{
        if (key->keyval == GDK_KEY_Escape)
                mg_search_toggle(sess);

        return FALSE;
}

static void
mg_create_search(session *sess, GtkWidget *box)
{
        GtkWidget *entry, *label, *next, *previous, *highlight, *matchcase, *regex, *close;
        session_gui *gui = sess->gui;

        gui->shbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 5);
        gtk_box_pack_start(GTK_BOX(box), gui->shbox, FALSE, FALSE, 0);

        close = gtk_button_new ();
        gtk_button_set_image (GTK_BUTTON (close), gtkutil_image_new_from_stock (ICON_TAB_CLOSE, GTK_ICON_SIZE_MENU));
        gtk_button_set_relief(GTK_BUTTON(close), GTK_RELIEF_NONE);
        gtk_widget_set_can_focus (close, FALSE);
        gtk_box_pack_start(GTK_BOX(gui->shbox), close, FALSE, FALSE, 0);
        g_signal_connect_swapped(G_OBJECT(close), "clicked", G_CALLBACK(mg_search_toggle), sess);

        label = gtk_label_new(_("Find:"));
        gtk_box_pack_start(GTK_BOX(gui->shbox), label, FALSE, FALSE, 0);

        gui->shentry = entry = gtk_entry_new();
        gtk_box_pack_start(GTK_BOX(gui->shbox), entry, FALSE, FALSE, 0);
        gtk_widget_set_size_request (gui->shentry, 180, -1);
        mg_apply_emoji_fallback_widget (entry);
        gui->search_changed_signal = g_signal_connect(G_OBJECT(entry), "changed", G_CALLBACK(search_handle_change), sess);
        g_signal_connect (G_OBJECT (entry), "key-press-event", G_CALLBACK (search_handle_esc), sess);
        g_signal_connect(G_OBJECT(entry), "activate", G_CALLBACK(mg_search_handle_next), sess);
        gtk_entry_set_icon_activatable (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY, FALSE);
        gtk_entry_set_icon_tooltip_text (GTK_ENTRY (sess->gui->shentry), GTK_ENTRY_ICON_SECONDARY, _("Search hit end or not found."));

        previous = gtk_button_new ();
        gtk_button_set_image (GTK_BUTTON (previous), gtkutil_image_new_from_stock (ICON_TAB_PREVIOUS, GTK_ICON_SIZE_MENU));
        gtk_button_set_relief(GTK_BUTTON(previous), GTK_RELIEF_NONE);
        gtk_widget_set_can_focus (previous, FALSE);
        gtk_box_pack_start(GTK_BOX(gui->shbox), previous, FALSE, FALSE, 0);
        g_signal_connect(G_OBJECT(previous), "clicked", G_CALLBACK(mg_search_handle_previous), sess);

        next = gtk_button_new ();
        gtk_button_set_image (GTK_BUTTON (next), gtkutil_image_new_from_stock (ICON_TAB_NEXT, GTK_ICON_SIZE_MENU));
        gtk_button_set_relief(GTK_BUTTON(next), GTK_RELIEF_NONE);
        gtk_widget_set_can_focus (next, FALSE);
        gtk_box_pack_start(GTK_BOX(gui->shbox), next, FALSE, FALSE, 0);
        g_signal_connect(G_OBJECT(next), "clicked", G_CALLBACK(mg_search_handle_next), sess);

        highlight = gtk_check_button_new_with_mnemonic (_("_Highlight all"));
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(highlight), prefs.hex_text_search_highlight_all);
        gtk_widget_set_can_focus (highlight, FALSE);
        g_signal_connect (G_OBJECT (highlight), "toggled", G_CALLBACK (search_set_option), &prefs.hex_text_search_highlight_all);
        g_signal_connect (G_OBJECT (highlight), "toggled", G_CALLBACK (search_handle_refresh), sess);
        gtk_box_pack_start(GTK_BOX(gui->shbox), highlight, FALSE, FALSE, 0);
        gtk_widget_set_tooltip_text (highlight, _("Highlight all occurrences, and underline the current occurrence."));

        matchcase = gtk_check_button_new_with_mnemonic (_("Mat_ch case"));
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(matchcase), prefs.hex_text_search_case_match);
        gtk_widget_set_can_focus (matchcase, FALSE);
        g_signal_connect (G_OBJECT (matchcase), "toggled", G_CALLBACK (search_set_option), &prefs.hex_text_search_case_match);
        gtk_box_pack_start(GTK_BOX(gui->shbox), matchcase, FALSE, FALSE, 0);
        gtk_widget_set_tooltip_text (matchcase, _("Perform a case-sensitive search."));

        regex = gtk_check_button_new_with_mnemonic (_("_Regex"));
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(regex), prefs.hex_text_search_regexp);
        gtk_widget_set_can_focus (regex, FALSE);
        g_signal_connect (G_OBJECT (regex), "toggled", G_CALLBACK (search_set_option), &prefs.hex_text_search_regexp);
        gtk_box_pack_start(GTK_BOX(gui->shbox), regex, FALSE, FALSE, 0);
        gtk_widget_set_tooltip_text (regex, _("Regard search string as a regular expression."));
}

static void
mg_create_entry (session *sess, GtkWidget *box)
{
        GtkWidget *hbox, *but, *entry;
        session_gui *gui = sess->gui;
        const char *emoji_fallback_icon_names[] = {
                "face-smile-symbolic",
                "face-smile",
                "insert-emoticon-symbolic",
                "insert-emoticon",
                "zc-menu-emoji",
                NULL
        };
        const char *emoji_fallback_icon_name;

        hbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
        gtk_box_pack_start (GTK_BOX (box), hbox, 0, 0, 0);

        gui->nick_box = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
        gtk_box_pack_start (GTK_BOX (hbox), gui->nick_box, 0, 0, 0);

        gui->nick_label = but = gtk_button_new_with_label (sess->server->nick);
        gtk_button_set_relief (GTK_BUTTON (but), GTK_RELIEF_NONE);
        gtk_widget_set_can_focus (but, FALSE);
        gtk_box_pack_end (GTK_BOX (gui->nick_box), but, 0, 0, 0);
        g_signal_connect (G_OBJECT (but), "clicked",
                                                        G_CALLBACK (mg_nickclick_cb), NULL);

        gui->input_box = entry = sexy_spell_entry_new ();
        sexy_spell_entry_set_checked ((SexySpellEntry *)entry, prefs.hex_gui_input_spell);
        sexy_spell_entry_set_parse_attributes ((SexySpellEntry *)entry, prefs.hex_gui_input_attr);

        gtk_entry_set_max_length (GTK_ENTRY (gui->input_box), 0);
        g_signal_connect (G_OBJECT (entry), "activate",
                                                        G_CALLBACK (mg_inputbox_cb), gui);
        g_signal_connect (G_OBJECT (entry), "changed",
                                                        G_CALLBACK (key_check_replace_on_change), NULL);
        gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);

        gtk_widget_set_name (entry, "zoitechat-inputbox");
        g_signal_connect (G_OBJECT (entry), "key-press-event",
                                                        G_CALLBACK (key_handle_key_press), NULL);
        g_signal_connect (G_OBJECT (entry), "focus-in-event",
                                                        G_CALLBACK (mg_inputbox_focus), gui);
        g_signal_connect (G_OBJECT (entry), "populate-popup",
                                                        G_CALLBACK (mg_inputbox_rightclick), NULL);
        g_signal_connect (G_OBJECT (entry), "word-check",
                                                        G_CALLBACK (mg_spellcheck_cb), NULL);
        gtk_widget_grab_focus (entry);

        if (prefs.hex_gui_input_style)
                mg_apply_entry_style (entry);

        g_object_set (G_OBJECT (entry), "show-emoji-icon", TRUE, NULL);

        if (gtk_entry_get_icon_storage_type (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY) == GTK_IMAGE_EMPTY)
        {
                emoji_fallback_icon_name = mg_find_available_icon_name (emoji_fallback_icon_names);
                if (emoji_fallback_icon_name)
                        gtk_entry_set_icon_from_icon_name (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY, emoji_fallback_icon_name);
        }
}

static void
mg_switch_tab_cb (chanview *cv, chan *ch, int tag, gpointer ud)
{
        chan *old;
        session *sess = ud;

        old = active_tab;
        active_tab = ch;

        if (tag == TAG_IRC)
        {
                if (active_tab != old)
                {
                        if (old && current_tab)
                                mg_unpopulate (current_tab);
                        mg_populate (sess);
                }
        } else if (old != active_tab)
        {
                /* userdata for non-irc tabs is actually the GtkBox */
                mg_show_generic_tab (ud);
                if (!mg_is_userlist_and_tree_combined ())
                        mg_userlist_showhide (current_sess, FALSE);     /* hide */
        }
}

/* compare two tabs (for tab sorting function) */

static int
mg_tabs_compare (session *a, session *b)
{
        /* server tabs always go first */
        if (a->type == SESS_SERVER)
                return -1;

        /* then channels */
        if (a->type == SESS_CHANNEL && b->type != SESS_CHANNEL)
                return -1;
        if (a->type != SESS_CHANNEL && b->type == SESS_CHANNEL)
                return 1;

        return g_ascii_strcasecmp (a->channel, b->channel);
}

static void
mg_create_tabs (session_gui *gui)
{
        gboolean use_icons = FALSE;

        /* if any one of these PNGs exist, the chanview will create
         * the extra column for icons. */
        if (prefs.hex_gui_tab_icons && (pix_tree_channel || pix_tree_dialog || pix_tree_server || pix_tree_util))
        {
                use_icons = TRUE;
        }

        gui->chanview = chanview_new (prefs.hex_gui_tab_layout, prefs.hex_gui_tab_trunc,
                                                                                        prefs.hex_gui_tab_sort, use_icons,
                                                                                        input_style ? input_style->font_desc : NULL
        );
        chanview_set_callbacks (gui->chanview, mg_switch_tab_cb, mg_xbutton_cb,
                                                                        mg_tab_contextmenu_cb, (void *)mg_tabs_compare);
        mg_place_userlist_and_chanview (gui);
}

static gboolean
mg_tabwin_focus_cb (GtkWindow * win, GdkEventFocus *event, gpointer userdata)
{
        current_sess = current_tab;
        if (current_sess)
        {
                gtk_xtext_check_marker_visibility (GTK_XTEXT (current_sess->gui->xtext));
                plugin_emit_dummy_print (current_sess, "Focus Window");
        }
        unflash_window (GTK_WIDGET (win));
        return FALSE;
}

static gboolean
mg_topwin_focus_cb (GtkWindow * win, GdkEventFocus *event, session *sess)
{
        current_sess = sess;
        if (!sess->server->server_session)
                sess->server->server_session = sess;
        gtk_xtext_check_marker_visibility(GTK_XTEXT (current_sess->gui->xtext));
        unflash_window (GTK_WIDGET (win));
        plugin_emit_dummy_print (sess, "Focus Window");
        return FALSE;
}

static void
mg_create_menu (session_gui *gui, GtkWidget *table, int away_state)
{
        GtkAccelGroup *accel_group;

        accel_group = gtk_accel_group_new ();
        gtk_window_add_accel_group (GTK_WINDOW (gtk_widget_get_toplevel (table)),
                                                                                 accel_group);
        g_object_unref (accel_group);

        gui->menu = menu_create_main (accel_group, TRUE, away_state, !gui->is_tab,
                                                                                        gui->menu_item);
        gtk_widget_set_hexpand (gui->menu, TRUE);
        gtk_widget_set_vexpand (gui->menu, FALSE);
        gtk_widget_set_halign (gui->menu, GTK_ALIGN_FILL);
        gtk_widget_set_valign (gui->menu, GTK_ALIGN_FILL);
        gtk_grid_attach (GTK_GRID (table), gui->menu, 0, 0, 3, 1);
}

static void
mg_create_irctab (session *sess, GtkWidget *table)
{
        GtkWidget *vbox;
        session_gui *gui = sess->gui;

        vbox = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 0);
        gtk_widget_set_hexpand (vbox, TRUE);
        gtk_widget_set_vexpand (vbox, TRUE);
        gtk_widget_set_halign (vbox, GTK_ALIGN_FILL);
        gtk_widget_set_valign (vbox, GTK_ALIGN_FILL);
        gtk_grid_attach (GTK_GRID (table), vbox, 1, 2, 1, 1);
        mg_create_center (sess, gui, vbox);
}

static void
mg_create_topwindow (session *sess)
{
	GtkWidget *win;
	GtkWidget *table;
#ifdef G_OS_WIN32
	GdkWindow *parent_win;
#endif

        if (sess->type == SESS_DIALOG)
                win = gtkutil_window_new ("ZoiteChat", NULL,
                                                                                  prefs.hex_gui_dialog_width, prefs.hex_gui_dialog_height, 0);
        else
                win = gtkutil_window_new ("ZoiteChat", NULL,
                                                                                  prefs.hex_gui_win_width,
                                                                                  prefs.hex_gui_win_height, 0);
        sess->gui->window = win;
        gtk_container_set_border_width (GTK_CONTAINER (win), GUI_BORDER);
        gtk_widget_set_opacity (win, (prefs.hex_gui_transparency / 255.));

        g_signal_connect (G_OBJECT (win), "focus-in-event",
                                                        G_CALLBACK (mg_topwin_focus_cb), sess);
        g_signal_connect (G_OBJECT (win), "destroy",
                                                        G_CALLBACK (mg_topdestroy_cb), sess);
        g_signal_connect (G_OBJECT (win), "configure-event",
                                                        G_CALLBACK (mg_configure_cb), sess);


        table = gtk_grid_new ();
        /* spacing under the menubar */
        gtk_grid_set_row_spacing (GTK_GRID (table), GUI_SPACING);
        /* left and right borders */
        gtk_grid_set_column_spacing (GTK_GRID (table), 1);
        gtk_container_add (GTK_CONTAINER (win), table);

        mg_create_irctab (sess, table);
        mg_create_menu (sess->gui, table, sess->server->is_away);

        if (sess->res->buffer == NULL)
        {
                sess->res->buffer = gtk_xtext_buffer_new (GTK_XTEXT (sess->gui->xtext));
                gtk_xtext_buffer_show (GTK_XTEXT (sess->gui->xtext), sess->res->buffer, TRUE);
                gtk_xtext_set_time_stamp (sess->res->buffer, prefs.hex_stamp_text);
                sess->res->user_model = userlist_create_model (sess);
        }

        userlist_show (sess);

        gtk_widget_show_all (table);

        if (prefs.hex_gui_hide_menu)
                gtk_widget_hide (sess->gui->menu);

        /* Will be shown when needed */
        gtk_widget_hide (sess->gui->topic_bar);

        if (!prefs.hex_gui_ulist_buttons)
                gtk_widget_hide (sess->gui->button_box);

        if (!prefs.hex_gui_input_nick)
                gtk_widget_hide (sess->gui->nick_box);

        gtk_widget_hide(sess->gui->shbox);

        mg_decide_userlist (sess, FALSE);

        if (sess->type == SESS_DIALOG)
        {
                /* hide the chan-mode buttons */
                gtk_widget_hide (sess->gui->topicbutton_box);
        } else
        {
                gtk_widget_hide (sess->gui->dialogbutton_box);

                if (!prefs.hex_gui_mode_buttons)
                        gtk_widget_hide (sess->gui->topicbutton_box);
        }

        mg_place_userlist_and_chanview (sess->gui);

	gtk_widget_show (win);
	if (!sess->gui->theme_window_listener_id)
		sess->gui->theme_window_listener_id = theme_listener_register ("maingui.window", mg_theme_window_changed, sess->gui);
	g_signal_connect (G_OBJECT (win), "destroy", G_CALLBACK (mg_theme_window_destroy_cb), sess->gui);
	theme_manager_attach_window (win);

#ifdef G_OS_WIN32
	parent_win = gtk_widget_get_window (win);
	gdk_window_add_filter (parent_win, mg_win32_filter, NULL);
#endif
}

static gboolean
mg_tabwindow_de_cb (GtkWidget *widget, GdkEvent *event, gpointer user_data)
{
        GSList *list;
        session *sess;
        GtkWindow *win = GTK_WINDOW(gtk_widget_get_toplevel (widget));

        if (prefs.hex_gui_tray_close && gtkutil_tray_icon_supported (win) && tray_toggle_visibility (FALSE))
                return TRUE;

        /* check for remaining toplevel windows */
        list = sess_list;
        while (list)
        {
                sess = list->data;
                if (!sess->gui->is_tab)
                        return FALSE;
                list = list->next;
        }

        mg_open_quit_dialog (TRUE);
        return TRUE;
}

#ifdef G_OS_WIN32
static GdkFilterReturn
mg_win32_filter (GdkXEvent *xevent, GdkEvent *event, gpointer data)
{
        MSG *msg = (MSG*)xevent;

	if (!msg)
		return GDK_FILTER_CONTINUE;

	if (msg->message == WM_TIMECHANGE)
	{
		_tzset();
		return GDK_FILTER_CONTINUE;
	}

	if (msg->message == WM_SETTINGCHANGE || msg->message == WM_THEMECHANGED)
	{
		theme_manager_refresh_auto_mode ();
		return GDK_FILTER_CONTINUE;
	}

	if (msg->message == WM_COPYDATA)
	{
		COPYDATASTRUCT *copy_data = (COPYDATASTRUCT *)msg->lParam;

		if (copy_data && copy_data->lpData && copy_data->cbData > 0 && current_sess)
		{
			char *command = g_strndup ((const char *)copy_data->lpData, copy_data->cbData);

			if (command)
			{
				if (strcmp (command, "__WIN32_TASKBAR_TOGGLE__") == 0)
				{
					if (gtk_widget_get_visible (current_sess->gui->window))
						fe_ctrl_gui (current_sess, FE_GUI_ICONIFY, 0);
					else
						fe_ctrl_gui (current_sess, FE_GUI_SHOW, 0);
				}
				else
				{
					handle_command (current_sess, command, FALSE);
				}
				g_free (command);
				return GDK_FILTER_REMOVE;
			}
		}
	}

	if (msg->message == WM_MOUSEWHEEL || msg->message == WM_MOUSEHWHEEL)
	{
		POINT cursor_pos;
		HWND hover_hwnd;
		DWORD hover_pid = 0;

		if (!GetCursorPos (&cursor_pos))
			return GDK_FILTER_CONTINUE;

		hover_hwnd = WindowFromPoint (cursor_pos);
		if (!hover_hwnd || hover_hwnd == msg->hwnd)
			return GDK_FILTER_CONTINUE;

		GetWindowThreadProcessId (hover_hwnd, &hover_pid);
		if (hover_pid != GetCurrentProcessId ())
			return GDK_FILTER_CONTINUE;

		PostMessage (hover_hwnd, msg->message, msg->wParam, msg->lParam);
		return GDK_FILTER_REMOVE;
	}
	
        return GDK_FILTER_CONTINUE;
}
#endif

static void
mg_create_tabwindow (session *sess)
{
        GtkWidget *win;
        GtkWidget *table;
#ifdef G_OS_WIN32
        GdkWindow *parent_win;
#endif

        win = gtkutil_window_new ("ZoiteChat", NULL, prefs.hex_gui_win_width,
                                                                          prefs.hex_gui_win_height, 0);
        sess->gui->window = win;
        gtk_window_move (GTK_WINDOW (win), prefs.hex_gui_win_left,
                                                  prefs.hex_gui_win_top);
        if (prefs.hex_gui_win_state)
                gtk_window_maximize (GTK_WINDOW (win));
        if (prefs.hex_gui_win_fullscreen)
                gtk_window_fullscreen (GTK_WINDOW (win));
        gtk_widget_set_opacity (win, (prefs.hex_gui_transparency / 255.));
        gtk_container_set_border_width (GTK_CONTAINER (win), GUI_BORDER);

        g_signal_connect (G_OBJECT (win), "delete-event",
                                                   G_CALLBACK (mg_tabwindow_de_cb), 0);
        g_signal_connect (G_OBJECT (win), "destroy",
                                                   G_CALLBACK (mg_tabwindow_kill_cb), 0);
        g_signal_connect (G_OBJECT (win), "focus-in-event",
                                                        G_CALLBACK (mg_tabwin_focus_cb), NULL);
        g_signal_connect (G_OBJECT (win), "configure-event",
                                                        G_CALLBACK (mg_configure_cb), NULL);
        g_signal_connect (G_OBJECT (win), "window-state-event",
                                                        G_CALLBACK (mg_windowstate_cb), NULL);


        sess->gui->main_table = table = gtk_grid_new ();
        /* spacing under the menubar */
        gtk_grid_set_row_spacing (GTK_GRID (table), GUI_SPACING);
        /* left and right borders */
        gtk_grid_set_column_spacing (GTK_GRID (table), 1);
        gtk_container_add (GTK_CONTAINER (win), table);

        mg_create_irctab (sess, table);
        mg_create_tabs (sess->gui);
        mg_create_menu (sess->gui, table, sess->server->is_away);

        mg_focus (sess);

        gtk_widget_show_all (table);

        if (prefs.hex_gui_hide_menu)
                gtk_widget_hide (sess->gui->menu);

        mg_decide_userlist (sess, FALSE);

        /* Will be shown when needed */
        gtk_widget_hide (sess->gui->topic_bar);

        if (!prefs.hex_gui_mode_buttons)
                gtk_widget_hide (sess->gui->topicbutton_box);

        if (!prefs.hex_gui_ulist_buttons)
                gtk_widget_hide (sess->gui->button_box);

        if (!prefs.hex_gui_input_nick)
                gtk_widget_hide (sess->gui->nick_box);

        gtk_widget_hide (sess->gui->shbox);

        mg_place_userlist_and_chanview (sess->gui);

        gtk_widget_show (win);
        if (!sess->gui->theme_window_listener_id)
                sess->gui->theme_window_listener_id = theme_listener_register ("maingui.window", mg_theme_window_changed, sess->gui);
        g_signal_connect (G_OBJECT (win), "destroy", G_CALLBACK (mg_theme_window_destroy_cb), sess->gui);
        theme_manager_attach_window (win);

#ifdef G_OS_WIN32
	parent_win = gtk_widget_get_window (win);
	gdk_window_add_filter (parent_win, mg_win32_filter, NULL);
#endif
}

void
mg_apply_setup (void)
{
        GSList *list = sess_list;
        session *sess;
        int done_main = FALSE;

        mg_create_tab_colors ();

        while (list)
        {
                sess = list->data;
                gtk_xtext_set_time_stamp (sess->res->buffer, prefs.hex_stamp_text);
                ((xtext_buffer *)sess->res->buffer)->needs_recalc = TRUE;
                if (!sess->gui->is_tab || !done_main)
                        mg_place_userlist_and_chanview (sess->gui);
                if (sess->gui->is_tab)
                        done_main = TRUE;
                list = list->next;
        }
}

static chan *
mg_add_generic_tab (char *name, char *title, void *family, GtkWidget *box)
{
        chan *ch;

        gtk_notebook_append_page (GTK_NOTEBOOK (mg_gui->note_book), box, NULL);
        gtk_widget_show (box);

        ch = chanview_add (mg_gui->chanview, name, NULL, box, TRUE, TAG_UTIL, pix_tree_util);
        chan_set_color (ch, plain_list);

        g_object_set_data_full (G_OBJECT (box), "title", g_strdup (title), g_free);
        g_object_set_data (G_OBJECT (box), "ch", ch);

        if (prefs.hex_gui_tab_newtofront)
                chan_focus (ch);

        return ch;
}

void
fe_buttons_update (session *sess)
{
        session_gui *gui = sess->gui;

        gtk_widget_destroy (gui->button_box);
        gui->button_box = mg_create_userlistbuttons (gui->button_box_parent);

        if (prefs.hex_gui_ulist_buttons)
                gtk_widget_show (sess->gui->button_box);
        else
                gtk_widget_hide (sess->gui->button_box);
}

void
fe_clear_channel (session *sess)
{
        char tbuf[CHANLEN+6];
        session_gui *gui = sess->gui;

        if (sess->gui->is_tab)
        {
                if (sess->waitchannel[0])
                {
                        if (prefs.hex_gui_tab_trunc > 2 && g_utf8_strlen (sess->waitchannel, -1) > prefs.hex_gui_tab_trunc)
                        {
                                /* truncate long channel names */
                                tbuf[0] = '(';
                                strcpy (tbuf + 1, sess->waitchannel);
                                g_utf8_offset_to_pointer(tbuf, prefs.hex_gui_tab_trunc)[0] = 0;
                                strcat (tbuf, "..)");
                        } else
                        {
                                sprintf (tbuf, "(%s)", sess->waitchannel);
                        }
                }
                else
                        strcpy (tbuf, _("<none>"));
                chan_rename (sess->res->tab, tbuf, prefs.hex_gui_tab_trunc);
        }

        if (!sess->gui->is_tab || sess == current_tab)
        {
                gtk_text_buffer_set_text (
                        gtk_text_view_get_buffer (GTK_TEXT_VIEW (gui->topic_entry)), "", -1);

                if (gui->op_xpm)
                {
                        gtk_widget_destroy (gui->op_xpm);
                        gui->op_xpm = 0;
                }
        } else
        {
                if (sess->res->topic_text)
                {
                        g_free (sess->res->topic_text);
                        sess->res->topic_text = NULL;
                }
        }
}

void
fe_set_nonchannel (session *sess, int state)
{
}

void
fe_dlgbuttons_update (session *sess)
{
        GtkWidget *box;
        session_gui *gui = sess->gui;

        gtk_widget_destroy (gui->dialogbutton_box);

        gui->dialogbutton_box = box = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
        gtk_box_pack_start (GTK_BOX (gui->topic_bar), box, 0, 0, 0);
        gtk_box_reorder_child (GTK_BOX (gui->topic_bar), box, 3);
        mg_create_dialogbuttons (box);

        gtk_widget_show_all (box);

        if (current_tab && current_tab->type != SESS_DIALOG)
                gtk_widget_hide (current_tab->gui->dialogbutton_box);
}

void
fe_update_mode_buttons (session *sess, char mode, char sign)
{
        int state, i;

        if (sign == '+')
                state = TRUE;
        else
                state = FALSE;

        for (i = 0; i < NUM_FLAG_WIDS - 1; i++)
        {
                if (chan_flags[i] == mode)
                {
                        if (!sess->gui->is_tab || sess == current_tab)
                        {
                                ignore_chanmode = TRUE;
                                if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (sess->gui->flag_wid[i])) != state)
                                        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (sess->gui->flag_wid[i]), state);
                                ignore_chanmode = FALSE;
                        } else
                        {
                                sess->res->flag_wid_state[i] = state;
                        }
                        return;
                }
        }
}

void
fe_set_nick (server *serv, char *newnick)
{
        GSList *list = sess_list;
        session *sess;

        while (list)
        {
                sess = list->data;
                if (sess->server == serv)
                {
                        if (current_tab == sess || !sess->gui->is_tab)
                                gtk_button_set_label (GTK_BUTTON (sess->gui->nick_label), newnick);
                }
                list = list->next;
        }
}

void
fe_set_away (server *serv)
{
        GSList *list = sess_list;
        session *sess;

        while (list)
        {
                sess = list->data;
                if (sess->server == serv)
                {
                        if (!sess->gui->is_tab || sess == current_tab)
                        {
                                menu_set_away (sess->gui, serv->is_away);
                                /* gray out my nickname */
                                mg_set_myself_away (sess->gui, serv->is_away);
                        }
                }
                list = list->next;
        }
}

void
fe_set_channel (session *sess)
{
        if (sess->res->tab != NULL)
                chan_rename (sess->res->tab, sess->channel, prefs.hex_gui_tab_trunc);
}

void
mg_changui_new (session *sess, restore_gui *res, int tab, int focus)
{
        int first_run = FALSE;
        session_gui *gui;

        if (res == NULL)
        {
                res = g_new0 (restore_gui, 1);
        }

        sess->res = res;

        if (sess->server->front_session == NULL)
        {
                sess->server->front_session = sess;
        }

        if (!tab)
        {
                gui = g_new0 (session_gui, 1);
                gui->is_tab = FALSE;
                sess->gui = gui;
                mg_create_topwindow (sess);
                fe_set_title (sess);
                return;
        }

        if (mg_gui == NULL)
        {
                first_run = TRUE;
                gui = &static_mg_gui;
                memset (gui, 0, sizeof (session_gui));
                gui->is_tab = TRUE;
                sess->gui = gui;
                mg_create_tabwindow (sess);
                mg_gui = gui;
                parent_window = gui->window;
        } else
        {
                sess->gui = gui = mg_gui;
                gui->is_tab = TRUE;
        }

        mg_add_chan (sess);

        if (first_run || (prefs.hex_gui_tab_newtofront == FOCUS_NEW_ONLY_ASKED && focus)
                        || prefs.hex_gui_tab_newtofront == FOCUS_NEW_ALL )
                chan_focus (res->tab);
}

GtkWidget *
mg_create_generic_tab (char *name, char *title, int force_toplevel,
                                                          int link_buttons,
                                                          void *close_callback, void *userdata,
                                                          int width, int height, GtkWidget **vbox_ret,
                                                          void *family)
{
        GtkWidget *vbox, *win;

        if (prefs.hex_gui_tab_pos == POS_HIDDEN && prefs.hex_gui_tab_utils)
                prefs.hex_gui_tab_utils = 0;

        if (force_toplevel || !prefs.hex_gui_tab_utils)
        {
                win = gtkutil_window_new (title, name, width, height, 2);
                vbox = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 0);
                *vbox_ret = vbox;
                gtk_container_add (GTK_CONTAINER (win), vbox);
                gtk_widget_show (vbox);
                if (close_callback)
                        g_signal_connect (G_OBJECT (win), "destroy",
                                                                        G_CALLBACK (close_callback), userdata);
                return win;
        }

        vbox = mg_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 2);
        g_object_set_data (G_OBJECT (vbox), "w", GINT_TO_POINTER (width));
        g_object_set_data (G_OBJECT (vbox), "h", GINT_TO_POINTER (height));
        gtk_container_set_border_width (GTK_CONTAINER (vbox), 3);
        *vbox_ret = vbox;

        if (close_callback)
                g_signal_connect (G_OBJECT (vbox), "destroy",
                                                                G_CALLBACK (close_callback), userdata);

        mg_add_generic_tab (name, title, family, vbox);

/*      if (link_buttons)
        {
                hbox = mg_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
                gtk_box_pack_start (GTK_BOX (vbox), hbox, 0, 0, 0);
                mg_create_link_buttons (hbox, ch);
                gtk_widget_show (hbox);
        }*/

        return vbox;
}

void
mg_move_tab (session *sess, int delta)
{
        if (sess->gui->is_tab)
                chan_move (sess->res->tab, delta);
}

void
mg_move_tab_family (session *sess, int delta)
{
        if (sess->gui->is_tab)
                chan_move_family (sess->res->tab, delta);
}

void
mg_set_title (GtkWidget *vbox, char *title) /* for non-irc tab/window only */
{
        char *old;

        old = g_object_get_data (G_OBJECT (vbox), "title");
        if (old)
        {
                g_object_set_data_full (G_OBJECT (vbox), "title", g_strdup (title), g_free);
        } else
        {
                gtk_window_set_title (GTK_WINDOW (vbox), title);
        }
}

void
fe_server_callback (server *serv)
{
        joind_close (serv);

        if (serv->gui->chanlist_window)
                mg_close_gen (NULL, serv->gui->chanlist_window);

        if (serv->gui->rawlog_window)
                mg_close_gen (NULL, serv->gui->rawlog_window);

        g_free (serv->gui);
}

/* called when a session is being killed */

void
fe_session_callback (session *sess)
{
        gtk_xtext_buffer_free (sess->res->buffer);
        g_object_unref (G_OBJECT (sess->res->user_model));
        if (sess->res->user_row_refs)
                g_hash_table_destroy (sess->res->user_row_refs);

        if (sess->res->banlist && sess->res->banlist->window)
                mg_close_gen (NULL, sess->res->banlist->window);

        g_free (sess->res->input_text);
        g_free (sess->res->topic_text);
        g_free (sess->res->limit_text);
        g_free (sess->res->key_text);
        g_free (sess->res->queue_text);
        g_free (sess->res->queue_tip);
        g_free (sess->res->lag_text);
        g_free (sess->res->lag_tip);

        if (sess->gui->bartag)
                fe_timeout_remove (sess->gui->bartag);

        if (sess->gui != &static_mg_gui)
                g_free (sess->gui);
        g_free (sess->res);
}

/* ===== DRAG AND DROP STUFF ===== */

static gboolean
is_child_of (GtkWidget *widget, GtkWidget *parent)
{
        while (widget)
        {
                if (gtk_widget_get_parent (widget) == parent)
                        return TRUE;
                widget = gtk_widget_get_parent (widget);
        }
        return FALSE;
}

static void
mg_handle_drop (GtkWidget *widget, int y, int *pos, int *other_pos)
{
        int height;
        session_gui *gui = current_sess->gui;

        height = gdk_window_get_height (gtk_widget_get_window (widget));

        if (y < height / 2)
        {
                if (is_child_of (widget, gui->vpane_left))
                        *pos = 1;       /* top left */
                else
                        *pos = 3;       /* top right */
        }
        else
        {
                if (is_child_of (widget, gui->vpane_left))
                        *pos = 2;       /* bottom left */
                else
                        *pos = 4;       /* bottom right */
        }

        /* both in the same pos? must move one */
        if (*pos == *other_pos)
        {
                switch (*other_pos)
                {
                case 1:
                        *other_pos = 2;
                        break;
                case 2:
                        *other_pos = 1;
                        break;
                case 3:
                        *other_pos = 4;
                        break;
                case 4:
                        *other_pos = 3;
                        break;
                }
        }

        mg_place_userlist_and_chanview (gui);
}

static gboolean
mg_is_gui_target (GdkDragContext *context)
{
        char *target_name;

        if (!context || !gdk_drag_context_list_targets (context) || !gdk_drag_context_list_targets (context)->data)
                return FALSE;

        target_name = gdk_atom_name (gdk_drag_context_list_targets (context)->data);
        if (target_name)
        {
                /* if it's not ZOITECHAT_CHANVIEW or ZOITECHAT_USERLIST */
                /* we should ignore it. */
                if (target_name[0] != 'H')
                {
                        g_free (target_name);
                        return FALSE;
                }
                g_free (target_name);
        }

        return TRUE;
}

/* this begin callback just creates an nice of the source */

gboolean
mg_drag_begin_cb (GtkWidget *widget, GdkDragContext *context, gpointer userdata)
{
        int width, height;
        GdkPixbuf *pix, *pix2;
        GdkWindow *window;

        /* ignore file drops */
        if (!mg_is_gui_target (context))
                return FALSE;

        window = gtk_widget_get_window (widget);
        width = gdk_window_get_width (window);
        height = gdk_window_get_height (window);

        pix = mg_pixbuf_from_window (window, width, height);
        if (!pix)
                return FALSE;
        pix2 = gdk_pixbuf_scale_simple (pix, width * 4 / 5, height / 2, GDK_INTERP_HYPER);
        g_object_unref (pix);

        gtk_drag_set_icon_pixbuf (context, pix2, 0, 0);
        g_object_set_data (G_OBJECT (widget), "ico", pix2);

        return TRUE;
}

void
mg_drag_end_cb (GtkWidget *widget, GdkDragContext *context, gpointer userdata)
{
        /* ignore file drops */
        if (!mg_is_gui_target (context))
                return;

        g_object_unref (g_object_get_data (G_OBJECT (widget), "ico"));
}

/* drop complete */

gboolean
mg_drag_drop_cb (GtkWidget *widget, GdkDragContext *context, int x, int y, guint time, gpointer user_data)
{
        /* ignore file drops */
        if (!mg_is_gui_target (context))
                return FALSE;

        switch (gdk_drag_context_get_selected_action (context))
        {
        case GDK_ACTION_MOVE:
                /* from userlist */
                mg_handle_drop (widget, y, &prefs.hex_gui_ulist_pos, &prefs.hex_gui_tab_pos);
                break;
        case GDK_ACTION_COPY:
                /* from tree - we use GDK_ACTION_COPY for the tree */
                mg_handle_drop (widget, y, &prefs.hex_gui_tab_pos, &prefs.hex_gui_ulist_pos);
                break;
        default:
                return FALSE;
        }

        return TRUE;
}

/* draw highlight rectangle in the destination */

gboolean
mg_drag_motion_cb (GtkWidget *widget, GdkDragContext *context, int x, int y, guint time, gpointer scbar)
{
        XTextColor col;
        cairo_t *cr;
        GdkDrawingContext *draw_context;
        cairo_region_t *region;
        int half, width, height;
        int ox, oy;
        GdkWindow *window;
        GtkAllocation allocation;

        /* ignore file drops */
        if (!mg_is_gui_target (context))
                return FALSE;

        if (scbar)      /* scrollbar */
        {
                gtk_widget_get_allocation (widget, &allocation);
                ox = allocation.x;
                oy = allocation.y;
                width = allocation.width;
                height = allocation.height;
                window = gtk_widget_get_window (widget);
        }
        else
        {
                ox = oy = 0;
                window = gtk_widget_get_window (widget);
                width = gdk_window_get_width (window);
                height = gdk_window_get_height (window);
        }

        col.red = (double)rand () / (double)RAND_MAX;
        col.green = (double)rand () / (double)RAND_MAX;
        col.blue = (double)rand () / (double)RAND_MAX;
        col.alpha = 1.0;
        region = cairo_region_create ();
        cairo_region_union_rectangle (region, &(cairo_rectangle_int_t){ 0, 0, width, height });
        draw_context = gdk_window_begin_draw_frame (window, region);
        cairo_region_destroy (region);
        cr = gdk_drawing_context_get_cairo_context (draw_context);
        cairo_set_operator (cr, CAIRO_OPERATOR_XOR);
        mg_set_source_color (cr, &col);
        cairo_set_line_width (cr, 1.0);

        half = height / 2;

#if 0
        /* are both tree/userlist on the same side? */
        GtkPaned *paned;
        GtkWidget *parent;
        GtkWidget *grandparent;
        parent = gtk_widget_get_parent (widget);
        grandparent = parent ? gtk_widget_get_parent (parent) : NULL;
        paned = grandparent ? GTK_PANED (grandparent) : NULL;
        if (paned != NULL &&
            gtk_paned_get_child1 (paned) != NULL &&
            gtk_paned_get_child2 (paned) != NULL)
        {
                cairo_rectangle (cr, 1 + ox, 2 + oy, width - 3, height - 4);
                cairo_rectangle (cr, 0 + ox, 1 + oy, width - 1, height - 2);
                cairo_stroke (cr);
                cairo_destroy (cr);
                return TRUE;
        }
#endif

        if (y < half)
        {
                cairo_rectangle (cr, 1 + ox, 2 + oy, width - 3, half - 4);
                cairo_rectangle (cr, 0 + ox, 1 + oy, width - 1, half - 2);
                cairo_stroke (cr);
                gtk_widget_queue_draw_area (widget, ox, half + oy, width, height - half);
        }
        else
        {
                cairo_rectangle (cr, 0 + ox, half + 1 + oy, width - 1, half - 2);
                cairo_rectangle (cr, 1 + ox, half + 2 + oy, width - 3, half - 4);
                cairo_stroke (cr);
                gtk_widget_queue_draw_area (widget, ox, oy, width, half);
        }

        gdk_window_end_draw_frame (window, draw_context);

        return TRUE;
}