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Added gtkutil_apply_palette declaration and implementation to apply palette colors/fonts via GTK3 CSS providers with GTK2 fallbacks preserved.

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Switched channel tree and theme application logic to use the new palette helper.
Updated entry and user list styling to route palette/font application through the helper.
This commit is contained in:
deepend
2026-01-25 11:30:21 -07:00
parent 08d357dc98
commit 94789a9100
5 changed files with 85 additions and 17 deletions
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73
src/fe-gtk/gtkutil.c
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@@ -128,6 +128,79 @@ gtkutil_image_new_from_stock (const char *stock, GtkIconSize size)
}
#endif
void
gtkutil_apply_palette (GtkWidget *widget, const PaletteColor *bg, const PaletteColor *fg,
const PangoFontDescription *font_desc)
{
if (!widget)
return;
#if HAVE_GTK3
{
static const char *class_name = "zoitechat-palette";
GtkStyleContext *context = gtk_widget_get_style_context (widget);
GtkCssProvider *provider = g_object_get_data (G_OBJECT (widget),
"zoitechat-palette-provider");
GString *css;
gchar *bg_color = NULL;
gchar *fg_color = NULL;
gchar *font_str = NULL;
if (!bg && !fg && !font_desc)
{
gtk_style_context_remove_class (context, class_name);
if (provider)
{
gtk_style_context_remove_provider (context, GTK_STYLE_PROVIDER (provider));
g_object_set_data (G_OBJECT (widget), "zoitechat-palette-provider", NULL);
}
return;
}
if (!provider)
{
provider = gtk_css_provider_new ();
g_object_set_data_full (G_OBJECT (widget), "zoitechat-palette-provider",
provider, g_object_unref);
}
css = g_string_new (".");
g_string_append (css, class_name);
g_string_append (css, " {");
if (bg)
{
bg_color = gdk_rgba_to_string (bg);
g_string_append_printf (css, " background-color: %s;", bg_color);
}
if (fg)
{
fg_color = gdk_rgba_to_string (fg);
g_string_append_printf (css, " color: %s;", fg_color);
}
if (font_desc)
{
font_str = pango_font_description_to_string (font_desc);
g_string_append_printf (css, " font: %s;", font_str);
}
g_string_append (css, " }");
gtk_css_provider_load_from_data (provider, css->str, -1, NULL);
gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
gtk_style_context_add_class (context, class_name);
g_string_free (css, TRUE);
g_free (bg_color);
g_free (fg_color);
g_free (font_str);
}
#else
gtk_widget_modify_base (widget, GTK_STATE_NORMAL, bg);
gtk_widget_modify_text (widget, GTK_STATE_NORMAL, fg);
gtk_widget_modify_font (widget, (PangoFontDescription *) font_desc);
#endif
}
static void
gtkutil_file_req_destroy (GtkWidget * wid, struct file_req *freq)
{