Apply app theme CSS to menubar everywhere

src/fe-gtk/theme/theme-application.c

@@ -26,16 +26,29 @@
 #include "theme-runtime.h"
 #include "theme-gtk3.h"
 #include "../maingui.h"
-
-#ifdef G_OS_WIN32
 #include <gtk/gtk.h>
 
+#if defined(__GNUC__) || defined(__clang__)
+extern char *theme_css_build_toplevel_classes (void) __attribute__ ((weak));
+#else
+extern char *theme_css_build_toplevel_classes (void);
+#endif
+
+static char *
+theme_application_build_toplevel_css (void)
+{
+	if (theme_css_build_toplevel_classes)
+		return theme_css_build_toplevel_classes ();
+
+	return g_strdup ("");
+}
+
 static void
-theme_application_apply_windows_theme (gboolean dark)
+theme_application_apply_toplevel_theme (gboolean dark)
 {
 	GtkSettings *settings = gtk_settings_get_default ();
-	static GtkCssProvider *win_theme_provider = NULL;
-	static gboolean win_theme_provider_installed = FALSE;
+	static GtkCssProvider *theme_provider = NULL;
+	static gboolean theme_provider_installed = FALSE;
 	GdkScreen *screen;
 	gboolean prefer_dark = dark;
 	char *css;
@@ -56,33 +69,21 @@ theme_application_apply_windows_theme (gboolean dark)
 	if (!screen)
 		return;
 
-	if (theme_gtk3_is_active ())
-	{
-		if (win_theme_provider_installed && win_theme_provider)
-		{
-			gtk_style_context_remove_provider_for_screen (screen,
-				GTK_STYLE_PROVIDER (win_theme_provider));
-			win_theme_provider_installed = FALSE;
-		}
-		return;
-	}
+	if (!theme_provider)
+		theme_provider = gtk_css_provider_new ();
 
-	if (!win_theme_provider)
-		win_theme_provider = gtk_css_provider_new ();
-
-	css = theme_css_build_toplevel_classes ();
-	gtk_css_provider_load_from_data (win_theme_provider, css, -1, NULL);
+	css = theme_application_build_toplevel_css ();
+	gtk_css_provider_load_from_data (theme_provider, css, -1, NULL);
 	g_free (css);
 
-	if (!win_theme_provider_installed)
+	if (!theme_provider_installed)
 	{
 		gtk_style_context_add_provider_for_screen (screen,
-			GTK_STYLE_PROVIDER (win_theme_provider),
+			GTK_STYLE_PROVIDER (theme_provider),
 			GTK_STYLE_PROVIDER_PRIORITY_APPLICATION + 1);
-		win_theme_provider_installed = TRUE;
+		theme_provider_installed = TRUE;
 	}
 }
-#endif
 
 gboolean
 theme_application_apply_mode (unsigned int mode, gboolean *palette_changed)
@@ -91,10 +92,7 @@ theme_application_apply_mode (unsigned int mode, gboolean *palette_changed)
 
 	theme_runtime_load ();
 	dark = theme_runtime_apply_mode (mode, palette_changed);
-
-#ifdef G_OS_WIN32
-	theme_application_apply_windows_theme (dark);
-#endif
+	theme_application_apply_toplevel_theme (dark);
 
 	theme_application_reload_input_style ();
 

src/fe-gtk/theme/theme-css.c

@@ -361,20 +361,22 @@ theme_css_build_toplevel_classes (void)
 		"color: #f0f0f0;"
 		"border-color: #202020;"
 		"}"
-		"window.%s menubar, window.%s menubar:backdrop, window.%s menuitem, window.%s menuitem:backdrop {"
-		"background-color: #202020;"
-		"color: #f0f0f0;"
-		"border-color: #202020;"
+		"window.%s menubar, window.%s menubar:backdrop, window.%s menubar box, window.%s menubar box:backdrop, window.%s menuitem, window.%s menuitem:backdrop {"
+		"background-color: @theme_bg_color;"
+		"background-image: none;"
+		"color: @theme_fg_color;"
+		"border-color: @theme_bg_color;"
 		"}"
 		"window.%s, window.%s:backdrop, .%s {"
 		"background-color: #f6f6f6;"
 		"color: #101010;"
 		"border-color: #f6f6f6;"
 		"}"
-		"window.%s menubar, window.%s menubar:backdrop, window.%s menuitem, window.%s menuitem:backdrop {"
-		"background-color: #f6f6f6;"
-		"color: #101010;"
-		"border-color: #f6f6f6;"
+		"window.%s menubar, window.%s menubar:backdrop, window.%s menubar box, window.%s menubar box:backdrop, window.%s menuitem, window.%s menuitem:backdrop {"
+		"background-color: @theme_bg_color;"
+		"background-image: none;"
+		"color: @theme_fg_color;"
+		"border-color: @theme_bg_color;"
 		"}",
 		theme_css_selector_dark_class,
 		theme_css_selector_dark_class,
@@ -383,6 +385,10 @@ theme_css_build_toplevel_classes (void)
 		theme_css_selector_dark_class,
 		theme_css_selector_dark_class,
 		theme_css_selector_dark_class,
+		theme_css_selector_dark_class,
+		theme_css_selector_dark_class,
+		theme_css_selector_light_class,
+		theme_css_selector_light_class,
 		theme_css_selector_light_class,
 		theme_css_selector_light_class,
 		theme_css_selector_light_class,

src/fe-gtk/theme/theme-manager.c

@@ -216,8 +216,6 @@ theme_manager_queue_auto_refresh (GtkSettings *settings, GParamSpec *pspec, gpoi
 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);
@@ -225,21 +223,10 @@ theme_manager_init (void)
 	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 ());
-
+	fe_set_auto_dark_mode_state (FALSE);
 	theme_application_apply_mode (prefs.hex_gui_dark_mode, NULL);
 	theme_gtk3_init ();
 	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
@@ -494,7 +481,6 @@ theme_manager_apply_wayland_kde_csd (GtkWidget *window)
 static void
 theme_manager_apply_platform_window_theme (GtkWidget *window)
 {
-#ifdef G_OS_WIN32
 	GtkStyleContext *context;
 	gboolean dark;
 
@@ -516,6 +502,7 @@ theme_manager_apply_platform_window_theme (GtkWidget *window)
 		gtk_style_context_remove_class (context, "zoitechat-light");
 		gtk_style_context_add_class (context, dark ? "zoitechat-dark" : "zoitechat-light");
 	}
+#ifdef G_OS_WIN32
 	fe_win32_apply_native_titlebar (window, dark);
 #else
 	theme_manager_apply_wayland_kde_csd (window);

src/fe-gtk/theme/theme-policy.c

@@ -27,38 +27,7 @@
 gboolean
 theme_policy_system_prefers_dark (void)
 {
-	GtkSettings *settings = gtk_settings_get_default ();
-	gboolean prefer_dark = FALSE;
-	char *theme_name = NULL;
-#ifdef G_OS_WIN32
-	gboolean have_win_pref = FALSE;
-
-	if (fe_win32_high_contrast_is_enabled ())
-		return FALSE;
-
-	have_win_pref = fe_win32_try_get_system_dark (&prefer_dark);
-	if (!have_win_pref)
-#endif
-	if (settings && g_object_class_find_property (G_OBJECT_GET_CLASS (settings),
-	                                              "gtk-application-prefer-dark-theme"))
-	{
-		g_object_get (settings, "gtk-application-prefer-dark-theme", &prefer_dark, NULL);
-	}
-
-	if (settings && !prefer_dark)
-	{
-		g_object_get (settings, "gtk-theme-name", &theme_name, NULL);
-		if (theme_name)
-		{
-			char *lower = g_ascii_strdown (theme_name, -1);
-			if (g_str_has_suffix (lower, "-dark") || g_strrstr (lower, "dark"))
-				prefer_dark = TRUE;
-			g_free (lower);
-			g_free (theme_name);
-		}
-	}
-
-	return prefer_dark;
+	return FALSE;
 }
 
 gboolean