feat: centralize theming in theme-manager (palette/tokens, CSS, dark-mode, setup UI), add tests + win32/meson wiring

This commit is contained in:
2026-03-02 19:42:48 -07:00
parent f3086fa389
commit d9be0a7b1c
57 changed files with 5476 additions and 1916 deletions

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@@ -0,0 +1,497 @@
#include "../fe-gtk.h"
#include "theme-manager.h"
#include <gtk/gtk.h>
#include "theme-application.h"
#include "theme-policy.h"
#include "theme-runtime.h"
#include "theme-access.h"
#include "theme-css.h"
#include "../gtkutil.h"
#include "../maingui.h"
#include "../setup.h"
#include "../../common/zoitechat.h"
#include "../../common/zoitechatc.h"
typedef struct
{
guint id;
char *component_id;
ThemeChangedCallback callback;
gpointer userdata;
} ThemeListener;
static GHashTable *theme_manager_listeners;
static guint theme_manager_next_listener_id = 1;
static guint theme_manager_setup_listener_id;
static const char theme_manager_window_destroy_handler_key[] = "theme-manager-window-destroy-handler";
static void
theme_listener_free (gpointer data)
{
ThemeListener *listener = data;
if (!listener)
return;
g_free (listener->component_id);
g_free (listener);
}
static void
theme_manager_setup_apply_listener (const ThemeChangedEvent *event, gpointer userdata)
{
(void) userdata;
theme_manager_dispatch_setup_apply (event);
}
static ThemeChangedReason
theme_manager_synthesize_preference_reasons (const struct zoitechatprefs *old_prefs,
const struct zoitechatprefs *new_prefs,
gboolean color_change)
{
ThemeChangedReason reasons = THEME_CHANGED_REASON_NONE;
if (!old_prefs || !new_prefs)
return reasons;
if (strcmp (old_prefs->hex_text_background, new_prefs->hex_text_background) != 0)
reasons |= THEME_CHANGED_REASON_PIXMAP;
if (old_prefs->hex_gui_tab_dots != new_prefs->hex_gui_tab_dots ||
old_prefs->hex_gui_tab_layout != new_prefs->hex_gui_tab_layout)
reasons |= THEME_CHANGED_REASON_LAYOUT;
if (old_prefs->hex_identd_server != new_prefs->hex_identd_server ||
old_prefs->hex_identd_port != new_prefs->hex_identd_port)
reasons |= THEME_CHANGED_REASON_IDENTD;
if (color_change ||
old_prefs->hex_gui_ulist_color != new_prefs->hex_gui_ulist_color ||
old_prefs->hex_away_size_max != new_prefs->hex_away_size_max ||
old_prefs->hex_away_track != new_prefs->hex_away_track)
reasons |= THEME_CHANGED_REASON_USERLIST;
if (reasons != THEME_CHANGED_REASON_NONE)
reasons |= THEME_CHANGED_REASON_WIDGET_STYLE;
return reasons;
}
static void
theme_manager_auto_dark_mode_changed (GtkSettings *settings, GParamSpec *pspec, gpointer data)
{
gboolean color_change = FALSE;
static gboolean in_handler = FALSE;
(void) settings;
(void) pspec;
(void) data;
if (prefs.hex_gui_dark_mode != ZOITECHAT_DARK_MODE_AUTO)
return;
if (in_handler)
return;
in_handler = TRUE;
fe_set_auto_dark_mode_state (theme_policy_system_prefers_dark ());
theme_manager_commit_preferences (prefs.hex_gui_dark_mode, &color_change);
if (color_change)
theme_manager_dispatch_changed (THEME_CHANGED_REASON_PALETTE | THEME_CHANGED_REASON_WIDGET_STYLE | THEME_CHANGED_REASON_USERLIST | THEME_CHANGED_REASON_MODE);
in_handler = FALSE;
}
static guint theme_manager_auto_refresh_source = 0;
static ThemeManagerIdleAddFunc theme_manager_idle_add_func = g_idle_add;
static gboolean
theme_manager_run_auto_refresh (gpointer data)
{
theme_manager_auto_refresh_source = 0;
theme_manager_auto_dark_mode_changed (NULL, NULL, data);
return G_SOURCE_REMOVE;
}
static void
theme_manager_queue_auto_refresh (GtkSettings *settings, GParamSpec *pspec, gpointer data)
{
(void) settings;
(void) pspec;
if (theme_manager_auto_refresh_source != 0)
return;
theme_manager_auto_refresh_source = theme_manager_idle_add_func (theme_manager_run_auto_refresh, data);
}
void
theme_manager_init (void)
{
GtkSettings *settings;
if (!theme_manager_listeners)
theme_manager_listeners = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
theme_listener_free);
if (!theme_manager_setup_listener_id)
theme_manager_setup_listener_id = theme_listener_register ("setup.apply", theme_manager_setup_apply_listener, NULL);
settings = gtk_settings_get_default ();
if (settings)
fe_set_auto_dark_mode_state (theme_policy_system_prefers_dark ());
theme_application_apply_mode (prefs.hex_gui_dark_mode, NULL);
zoitechat_set_theme_post_apply_callback (theme_manager_handle_theme_applied);
if (settings)
{
g_signal_connect (settings, "notify::gtk-application-prefer-dark-theme",
G_CALLBACK (theme_manager_queue_auto_refresh), NULL);
g_signal_connect (settings, "notify::gtk-theme-name",
G_CALLBACK (theme_manager_queue_auto_refresh), NULL);
}
}
gboolean
theme_manager_apply_mode (unsigned int mode, gboolean *palette_changed)
{
return theme_application_apply_mode (mode, palette_changed);
}
void
theme_manager_set_mode (unsigned int mode, gboolean *palette_changed)
{
theme_application_apply_mode (mode, palette_changed);
}
void
theme_manager_set_token_color (unsigned int mode, ThemeSemanticToken token, const GdkRGBA *color, gboolean *palette_changed)
{
gboolean dark;
gboolean changed = FALSE;
if (!color)
return;
dark = theme_policy_is_dark_mode_active (mode);
if (dark)
theme_runtime_dark_set_color (token, color);
else
theme_runtime_user_set_color (token, color);
changed = theme_runtime_apply_mode (mode, NULL);
if (palette_changed)
*palette_changed = changed;
theme_application_reload_input_style ();
}
void
theme_manager_commit_preferences (unsigned int old_mode, gboolean *color_change)
{
gboolean palette_changed = FALSE;
theme_application_apply_mode (prefs.hex_gui_dark_mode, &palette_changed);
if (color_change && (prefs.hex_gui_dark_mode != old_mode || palette_changed))
*color_change = TRUE;
if (prefs.hex_gui_dark_mode == ZOITECHAT_DARK_MODE_AUTO)
fe_set_auto_dark_mode_state (theme_policy_is_dark_mode_active (ZOITECHAT_DARK_MODE_AUTO));
}
void
theme_manager_save_preferences (void)
{
theme_runtime_save ();
}
gboolean
theme_changed_event_has_reason (const ThemeChangedEvent *event, ThemeChangedReason reason)
{
if (!event)
return FALSE;
return (event->reasons & reason) != 0;
}
void
theme_manager_apply_and_dispatch (unsigned int mode, ThemeChangedReason reasons, gboolean *palette_changed)
{
theme_application_apply_mode (mode, palette_changed);
theme_manager_dispatch_changed (reasons);
}
void
theme_manager_dispatch_changed (ThemeChangedReason reasons)
{
GHashTableIter iter;
gpointer key;
gpointer value;
ThemeChangedEvent event;
event.reasons = reasons;
if (!theme_manager_listeners)
return;
g_hash_table_iter_init (&iter, theme_manager_listeners);
while (g_hash_table_iter_next (&iter, &key, &value))
{
ThemeListener *listener = value;
if (listener->callback)
listener->callback (&event, listener->userdata);
}
}
guint
theme_listener_register (const char *component_id, ThemeChangedCallback callback, gpointer userdata)
{
ThemeListener *listener;
guint id;
if (!callback)
return 0;
if (!theme_manager_listeners)
theme_manager_listeners = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
theme_listener_free);
id = theme_manager_next_listener_id++;
if (theme_manager_next_listener_id == 0)
theme_manager_next_listener_id = 1;
listener = g_new0 (ThemeListener, 1);
listener->id = id;
listener->component_id = g_strdup (component_id ? component_id : "theme.listener");
listener->callback = callback;
listener->userdata = userdata;
g_hash_table_insert (theme_manager_listeners, GUINT_TO_POINTER (id), listener);
return id;
}
void
theme_listener_unregister (guint listener_id)
{
if (!theme_manager_listeners || listener_id == 0)
return;
g_hash_table_remove (theme_manager_listeners, GUINT_TO_POINTER (listener_id));
}
void
theme_manager_handle_theme_applied (void)
{
theme_runtime_load ();
theme_runtime_apply_mode (prefs.hex_gui_dark_mode, NULL);
theme_manager_dispatch_changed (THEME_CHANGED_REASON_THEME_PACK | THEME_CHANGED_REASON_PALETTE | THEME_CHANGED_REASON_WIDGET_STYLE | THEME_CHANGED_REASON_USERLIST | THEME_CHANGED_REASON_MODE);
}
static void
theme_manager_apply_platform_window_theme (GtkWidget *window)
{
#ifdef G_OS_WIN32
GtkStyleContext *context;
gboolean dark;
if (!window)
return;
context = gtk_widget_get_style_context (window);
dark = theme_runtime_is_dark_active ();
if (context)
{
gtk_style_context_remove_class (context, "zoitechat-dark");
gtk_style_context_remove_class (context, "zoitechat-light");
gtk_style_context_add_class (context, dark ? "zoitechat-dark" : "zoitechat-light");
}
fe_win32_apply_native_titlebar (window, dark);
#else
(void) window;
#endif
}
static void
theme_manager_window_destroy_cb (GtkWidget *window, gpointer userdata)
{
(void) userdata;
g_object_set_data (G_OBJECT (window), theme_manager_window_destroy_handler_key, NULL);
}
void
theme_manager_apply_to_window (GtkWidget *window)
{
if (!window)
return;
theme_manager_apply_platform_window_theme (window);
}
void
theme_manager_attach_window (GtkWidget *window)
{
gulong *handler_id;
if (!window)
return;
handler_id = g_object_get_data (G_OBJECT (window), theme_manager_window_destroy_handler_key);
if (!handler_id)
{
handler_id = g_new (gulong, 1);
*handler_id = g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (theme_manager_window_destroy_cb), NULL);
g_object_set_data_full (G_OBJECT (window), theme_manager_window_destroy_handler_key, handler_id, g_free);
}
theme_manager_apply_to_window (window);
}
void
theme_manager_detach_window (GtkWidget *window)
{
gulong *handler_id;
if (!window)
return;
handler_id = g_object_get_data (G_OBJECT (window), theme_manager_window_destroy_handler_key);
if (handler_id)
{
g_signal_handler_disconnect (G_OBJECT (window), *handler_id);
g_object_set_data (G_OBJECT (window), theme_manager_window_destroy_handler_key, NULL);
}
}
void
theme_manager_apply_palette_widget (GtkWidget *widget, const GdkRGBA *bg, const GdkRGBA *fg,
const PangoFontDescription *font_desc)
{
theme_css_apply_palette_widget (widget, bg, fg, font_desc);
}
void
theme_manager_apply_entry_palette (GtkWidget *widget, const PangoFontDescription *font_desc)
{
ThemeWidgetStyleValues style_values;
if (!widget || !font_desc)
return;
theme_get_widget_style_values (&style_values);
gtkutil_apply_palette (widget, &style_values.background, &style_values.foreground, font_desc);
}
ThemePaletteBehavior
theme_manager_get_userlist_palette_behavior (const PangoFontDescription *font_desc)
{
ThemePaletteBehavior behavior;
gboolean dark_mode_active = theme_policy_is_dark_mode_active (prefs.hex_gui_dark_mode);
behavior.font_desc = font_desc;
behavior.apply_background = prefs.hex_gui_ulist_style || dark_mode_active;
behavior.apply_foreground = dark_mode_active;
return behavior;
}
ThemePaletteBehavior
theme_manager_get_channel_tree_palette_behavior (const PangoFontDescription *font_desc)
{
ThemePaletteBehavior behavior;
gboolean dark_mode_active = theme_policy_is_dark_mode_active (prefs.hex_gui_dark_mode);
behavior.font_desc = font_desc;
behavior.apply_background = dark_mode_active || prefs.hex_gui_dark_mode == ZOITECHAT_DARK_MODE_LIGHT;
behavior.apply_foreground = dark_mode_active || prefs.hex_gui_dark_mode == ZOITECHAT_DARK_MODE_LIGHT;
return behavior;
}
void
theme_manager_apply_userlist_palette (GtkWidget *widget, const PangoFontDescription *font_desc,
gboolean prefer_background, gboolean prefer_foreground)
{
ThemePaletteBehavior behavior;
behavior.font_desc = font_desc;
behavior.apply_background = prefer_background;
behavior.apply_foreground = prefer_foreground;
theme_manager_apply_userlist_style (widget, behavior);
}
void
theme_manager_apply_userlist_style (GtkWidget *widget, ThemePaletteBehavior behavior)
{
ThemeWidgetStyleValues style_values;
const GdkRGBA *background = NULL;
const GdkRGBA *foreground = NULL;
if (!widget)
return;
theme_get_widget_style_values (&style_values);
if (behavior.apply_background)
background = &style_values.background;
if (behavior.apply_foreground)
foreground = &style_values.foreground;
gtkutil_apply_palette (widget, background, foreground, behavior.font_desc);
}
void
theme_manager_apply_channel_tree_style (GtkWidget *widget, ThemePaletteBehavior behavior)
{
theme_manager_apply_userlist_style (widget, behavior);
}
void
theme_manager_apply_input_style (gboolean enabled, const PangoFontDescription *font_desc)
{
theme_css_reload_input_style (enabled, font_desc);
}
void
theme_manager_reload_input_style (void)
{
theme_application_reload_input_style ();
}
void
theme_manager_refresh_auto_mode (void)
{
theme_manager_queue_auto_refresh (NULL, NULL, NULL);
}
ThemeChangedEvent
theme_manager_on_preferences_changed (const struct zoitechatprefs *old_prefs,
const struct zoitechatprefs *new_prefs,
unsigned int old_mode,
gboolean *color_change)
{
ThemeChangedEvent event;
gboolean had_color_change = color_change && *color_change;
theme_manager_commit_preferences (old_mode, color_change);
event.reasons = theme_manager_synthesize_preference_reasons (old_prefs, new_prefs,
had_color_change || (color_change && *color_change));
return event;
}
void
theme_manager_dispatch_setup_apply (const ThemeChangedEvent *event)
{
if (!event)
return;
setup_apply_real (event);
}
void
theme_manager_set_idle_add_func (ThemeManagerIdleAddFunc idle_add_func)
{
theme_manager_idle_add_func = idle_add_func ? idle_add_func : g_idle_add;
theme_manager_auto_refresh_source = 0;
}