File indexing completed on 2024-04-14 15:33:00

 /*
  * SPDX-FileCopyrightText: 2020 Mikhail Zolotukhin <zomial@protonmail.com>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  */
 
 #include <gdk/gdk.h>
 #include <gio/gio.h>
 #include <glib.h>
 #include <gtk/gtk.h>
 
 #define UNUSED(x) (void)(x)
 
 gchar *window_decorations_css_path;
 GFile *window_decorations_css_file;
 
 GFileMonitor *window_decorations_css_monitor;
 
 GtkCssProvider *css_provider;
 
 void manage_css_provider(GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, gpointer user_data);
 void reload_css_provider();
 void remove_css_provider();
 int theme_is_breeze();
 void theme_changed(GtkSettings *settings, GParamSpec *param_spec, void *user_data);
 
 __attribute__((visibility("default"))) void gtk_module_init(gint *argc, gchar ***argv[])
 {
     UNUSED(argc);
     UNUSED(argv);
 
     window_decorations_css_path = g_strconcat(g_get_user_config_dir(), "/gtk-3.0/window_decorations.css", NULL);
     window_decorations_css_file = g_file_new_for_path(window_decorations_css_path);
 
     window_decorations_css_monitor = g_file_monitor_file(window_decorations_css_file, G_FILE_MONITOR_NONE, NULL, NULL);
 
     css_provider = NULL;
 
     g_signal_connect(window_decorations_css_monitor, "changed", G_CALLBACK(manage_css_provider), NULL);
     g_signal_connect(gtk_settings_get_default(), "notify::gtk-theme-name", G_CALLBACK(theme_changed), NULL);
 
     reload_css_provider();
 }
 
 void manage_css_provider(GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, gpointer user_data)
 {
     UNUSED(monitor);
     UNUSED(file);
     UNUSED(other_file);
     UNUSED(user_data);
 
     if (event_type == G_FILE_MONITOR_EVENT_CREATED || event_type == G_FILE_MONITOR_EVENT_CHANGED) {
         reload_css_provider();
     } else if (event_type == G_FILE_MONITOR_EVENT_DELETED) {
         remove_css_provider();
     }
 }
 
 void reload_css_provider()
 {
     remove_css_provider();
 
     if (!theme_is_breeze()) {
         return;
     }
 
     css_provider = gtk_css_provider_new();
 
     gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css_provider), GTK_STYLE_PROVIDER_PRIORITY_USER + 1);
     if (g_file_query_exists(window_decorations_css_file, NULL)) {
         gtk_css_provider_load_from_file(css_provider, window_decorations_css_file, NULL);
     }
 }
 
 void remove_css_provider()
 {
     if (!css_provider) {
         return;
     }
     gtk_style_context_remove_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css_provider));
     g_clear_object(&css_provider);
 }
 
 int theme_is_breeze()
 {
     GtkSettings *settings = gtk_settings_get_default();
     char *theme_name = NULL;
     g_object_get(settings, "gtk-theme-name", &theme_name, NULL);
     if (!theme_name) {
         return 0;
     }
     int ret = !strcmp(theme_name, "Breeze");
     g_free(theme_name);
     return ret;
 }
 
 void theme_changed(GtkSettings *settings, GParamSpec *param_spec, void *user_data)
 {
     UNUSED(settings);
     UNUSED(param_spec);
     UNUSED(user_data);
     reload_css_provider();
 }