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zoitechat/src/fe-gtk/xtext.h
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ThePeGaSuS c51f885253 add option to align wrapped lines under the nick or message 
When nick indentation is off, lines after the first wrap back to the
left edge, under the timestamp. Add a text_wrap_align preference
(start of line, prefix, message) so they can line up under the nick or
the message text instead. It is applied at wrap time, so existing
scrollback is re-wrapped when the setting changes, and the menu is
greyed out while nick indentation is on.
2026-10-12 17:43:09 +02:00

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/* ZoiteChat
* Copyright (C) 1998-2010 Peter Zelezny.
* Copyright (C) 2009-2013 Berke Viktor.
*
* 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
*/
#ifndef ZOITECHAT_XTEXT_H
#define ZOITECHAT_XTEXT_H
#include <gtk/gtk.h>
#include <cairo.h>
#include "xtext-color.h"
typedef struct _GtkXText GtkXText;
typedef struct _GtkXTextClass GtkXTextClass;
#define GTK_TYPE_XTEXT (gtk_xtext_get_type ())
#define GTK_XTEXT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_XTEXT, GtkXText))
#define GTK_XTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_XTEXT, GtkXTextClass))
#define GTK_IS_XTEXT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_XTEXT))
#define GTK_IS_XTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_XTEXT))
#define GTK_XTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_XTEXT, GtkXTextClass))
GType gtk_xtext_get_type (void);
#define ATTR_BOLD '\002'
#define ATTR_COLOR '\003'
#define ATTR_HEXCOLOR '\004'
#define ATTR_BLINK '\006'
#define ATTR_BEEP '\007'
#define ATTR_HIDDEN '\010'
#define ATTR_ITALICS2 '\011'
#define ATTR_RESET '\017'
#define ATTR_REVERSE '\026'
#define ATTR_ITALICS '\035'
#define ATTR_STRIKETHROUGH '\036'
#define ATTR_UNDERLINE '\037'
/* these match palette.h */
#define XTEXT_MIRC_COLS 99
#define XTEXT_COLS 104 /* 99 plus 5 for extra stuff below */
#define XTEXT_MARK_FG 99 /* for marking text */
#define XTEXT_MARK_BG 100
#define XTEXT_FG 101
#define XTEXT_BG 102
#define XTEXT_MARKER 103 /* for marker line */
#define XTEXT_MAX_COLOR 98
#define XTEXT_HEX_FG 200 /* not palette slots: colors from \004RRGGBB */
#define XTEXT_HEX_BG 201
typedef struct textentry textentry;
/*
* offsets_t is used for retaining search information.
* It is stored in the 'data' member of a GList,
* as chained from ent->marks. It saves starting and
* ending+1 offset of a found occurrence.
*/
typedef union offsets_u {
struct offsets_s {
guint16 start;
guint16 end;
} o;
guint32 u;
} offsets_t;
typedef enum marker_reset_reason_e {
MARKER_WAS_NEVER_SET,
MARKER_IS_SET,
MARKER_RESET_MANUALLY,
MARKER_RESET_BY_KILL,
MARKER_RESET_BY_CLEAR
} marker_reset_reason;
typedef struct {
GtkXText *xtext; /* attached to this widget */
gfloat old_value; /* last known adj->value */
textentry *text_first;
textentry *text_last;
textentry *last_ent_start; /* this basically describes the last rendered */
textentry *last_ent_end; /* selection. */
int last_offset_start;
int last_offset_end;
int last_pixel_pos;
int pagetop_line;
int pagetop_subline;
textentry *pagetop_ent; /* what's at xtext->adj->value */
int num_lines;
int indent; /* position of separator (pixels) from left */
textentry *marker_pos;
marker_reset_reason marker_state;
int window_width; /* window size when last rendered. */
int window_height;
unsigned int time_stamp:1;
unsigned int scrollbar_down:1;
unsigned int needs_recalc:1;
unsigned int marker_seen:1;
GList *search_found; /* list of textentries where search found strings */
gchar *search_text; /* desired text to search for */
gchar *search_nee; /* prepared needle to look in haystack for */
gint search_lnee; /* its length */
gtk_xtext_search_flags search_flags; /* match, bwd, highlight */
GList *cursearch; /* GList whose 'data' pts to current textentry */
GList *curmark; /* current item in ent->marks */
offsets_t curdata; /* current offset info, from *curmark */
GRegex *search_re; /* Compiled regular expression */
textentry *hintsearch; /* textentry found for last search */
} xtext_buffer;
struct _GtkXText
{
GtkWidget parent_instance;
xtext_buffer *buffer;
xtext_buffer *orig_buffer;
xtext_buffer *selection_buffer;
GtkAdjustment *adj;
GtkAdjustment *hadj;
GtkScrollablePolicy hscroll_policy;
GtkScrollablePolicy vscroll_policy;
cairo_surface_t *background_surface; /* 0 = use palette[19] */
cairo_surface_t *background_clip_surface;
GdkWindow *draw_window; /* points to ->window */
cairo_surface_t *draw_surface; /* temporary surface for offscreen draws */
cairo_t *draw_cr; /* GTK3 draw context */
int background_clip_x;
int background_clip_y;
int background_clip_width;
int background_clip_height;
int background_clip_cycle;
int render_cycle;
GdkCursor *hand_cursor;
GdkCursor *resize_cursor;
int pixel_offset; /* amount of pixels the top line is chopped by */
int last_win_x;
int last_win_y;
int last_win_h;
int last_win_w;
XTextColor bgc; /* text background color */
XTextColor fgc; /* text foreground color */
XTextColor light_gc; /* sep bar */
XTextColor dark_gc;
XTextColor thin_gc;
XTextColor marker_gc;
XTextColor palette[XTEXT_COLS];
gint io_tag; /* for delayed refresh events */
gint add_io_tag; /* "" when adding new text */
gint scroll_tag; /* marking-scroll timeout */
gulong vc_signal_tag; /* signal handler for "value_changed" adj */
int select_start_adj; /* the adj->value when the selection started */
int select_start_x;
int select_start_y;
int select_end_x;
int select_end_y;
int max_lines;
int col_fore;
int col_back;
XTextColor hex_fg;
XTextColor hex_bg;
int depth; /* gdk window depth */
char num[8]; /* for parsing mirc color */
int nc; /* offset into xtext->num */
textentry *hilight_ent;
int hilight_start;
int hilight_end;
time_t tooltip_stamp;
unsigned int tooltip_stamp_set:1;
char *tooltip_url; /* URL shown while hovering a placeholder */
guint16 fontwidth[128]; /* each char's width, only the ASCII ones */
struct pangofont
{
PangoFontDescription *font;
int ascent;
int descent;
} *font, pango_font;
PangoLayout *layout;
int fontsize;
int space_width; /* width (pixels) of the space " " character */
int stamp_width; /* width of "[88:88:88]" */
int max_auto_indent;
unsigned char scratch_buffer[4096];
int (*urlcheck_function) (GtkWidget * xtext, char *word);
int jump_out_offset; /* point at which to stop rendering */
int jump_in_offset; /* "" start rendering */
int ts_x; /* ts origin for ->bgc GC */
int ts_y;
int clip_x; /* clipping (x directions) */
int clip_x2; /* from x to x2 */
int clip_y; /* clipping (y directions) */
int clip_y2; /* from y to y2 */
/* current text states */
unsigned int underline:1;
unsigned int strikethrough:1;
unsigned int hidden:1;
/* text parsing states */
unsigned int parsing_backcolor:1;
unsigned int parsing_color:1;
unsigned int backcolor:1;
/* various state information */
unsigned int moving_separator:1;
unsigned int word_select:1;
unsigned int line_select:1;
unsigned int button_down:1;
unsigned int dont_render:1;
unsigned int dont_render2:1;
unsigned int cursor_hand:1;
unsigned int cursor_resize:1;
unsigned int skip_border_fills:1;
unsigned int skip_stamp:1;
unsigned int mark_stamp:1; /* Cut&Paste with stamps? */
unsigned int force_stamp:1; /* force redrawing it */
unsigned int render_hilights_only:1;
unsigned int in_hilight:1;
unsigned int un_hilight:1;
unsigned int recycle:1;
unsigned int force_render:1;
unsigned int color_paste:1; /* CTRL was pressed when selection finished */
textentry *clicked_ent; /* entry under the last word_click, or NULL */
textentry *clicked_image_ent; /* entry whose inline image was clicked */
/* settings/prefs */
unsigned int auto_indent:1;
unsigned int thinline:1;
unsigned int marker:1;
unsigned int separator:1;
unsigned int wordwrap:1;
unsigned int ignore_hidden:1; /* rawlog uses this */
};
struct _GtkXTextClass
{
GtkWidgetClass parent_class;
void (*word_click) (GtkXText * xtext, char *word, GdkEventButton * event);
void (*set_scroll_adjustments) (GtkXText *xtext, GtkAdjustment *hadj, GtkAdjustment *vadj);
};
GtkWidget *gtk_xtext_new (const XTextColor *palette, int separator);
void gtk_xtext_append (xtext_buffer *buf, unsigned char *text, int len, time_t stamp);
void gtk_xtext_append_wrap (xtext_buffer *buf, unsigned char *text, int len, time_t stamp, int stamp_len);
void gtk_xtext_append_indent (xtext_buffer *buf,
unsigned char *left_text, int left_len,
unsigned char *right_text, int right_len,
time_t stamp);
int gtk_xtext_set_font (GtkXText *xtext, char *name);
void gtk_xtext_set_background (GtkXText * xtext, cairo_surface_t *surface);
void gtk_xtext_set_palette (GtkXText * xtext, const XTextColor *palette);
void gtk_xtext_clear (xtext_buffer *buf, int lines);
void gtk_xtext_save (GtkXText * xtext, int fh);
void gtk_xtext_refresh (GtkXText * xtext);
int gtk_xtext_lastlog (xtext_buffer *out, xtext_buffer *search_area);
textentry *gtk_xtext_search (GtkXText * xtext, const gchar *text, gtk_xtext_search_flags flags, GError **err);
void gtk_xtext_reset_marker_pos (GtkXText *xtext);
int gtk_xtext_moveto_marker_pos (GtkXText *xtext);
void gtk_xtext_check_marker_visibility(GtkXText *xtext);
void gtk_xtext_set_marker_last (session *sess);
gboolean gtk_xtext_is_empty (xtext_buffer *buf);
typedef void (*GtkXTextForeach) (GtkXText *xtext, unsigned char *text, void *data);
void gtk_xtext_foreach (xtext_buffer *buf, GtkXTextForeach func, void *data);
void gtk_xtext_set_error_function (GtkXText *xtext, void (*error_function) (int));
void gtk_xtext_set_indent (GtkXText *xtext, gboolean indent);
void gtk_xtext_set_max_indent (GtkXText *xtext, int max_auto_indent);
void gtk_xtext_set_max_lines (GtkXText *xtext, int max_lines);
void gtk_xtext_set_show_marker (GtkXText *xtext, gboolean show_marker);
void gtk_xtext_set_show_separator (GtkXText *xtext, gboolean show_separator);
void gtk_xtext_set_thin_separator (GtkXText *xtext, gboolean thin_separator);
void gtk_xtext_set_time_stamp (xtext_buffer *buf, gboolean timestamp);
void gtk_xtext_set_urlcheck_function (GtkXText *xtext, int (*urlcheck_function) (GtkWidget *, char *));
void gtk_xtext_set_wordwrap (GtkXText *xtext, gboolean word_wrap);
xtext_buffer *gtk_xtext_buffer_new (GtkXText *xtext);
void gtk_xtext_buffer_free (xtext_buffer *buf);
void gtk_xtext_buffer_show (GtkXText *xtext, xtext_buffer *buf, int render);
void gtk_xtext_copy_selection (GtkXText *xtext);
/* inline image support. A textentry can have one image attached, which is
* rendered below its text. Loading is asynchronous: begin() registers the
* target entry and returns a handle, finish() attaches the downloaded pixbuf
* if the entry still exists. The handle stays valid even if the entry, its
* buffer or the widget are destroyed in the meantime. */
textentry *gtk_xtext_get_clicked_entry (GtkXText *xtext);
textentry *gtk_xtext_get_clicked_image_entry (GtkXText *xtext);
gboolean gtk_xtext_buffer_contains (GtkXText *xtext, textentry *ent);
gboolean gtk_xtext_entry_has_image (GtkXText *xtext, textentry *ent);
const char *gtk_xtext_entry_get_image_url (GtkXText *xtext, textentry *ent);
GdkPixbuf *gtk_xtext_entry_get_full_image (GtkXText *xtext, textentry *ent);
guint gtk_xtext_image_load_begin (GtkXText *xtext, textentry *ent, const char *url);
gboolean gtk_xtext_image_load_finish (guint handle, GdkPixbuf *pixbuf);
gboolean gtk_xtext_image_remove (GtkXText *xtext, textentry *ent);
#endif
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