😒

src/lightdm-webkit2-greeter.c

@@ -28,6 +28,7 @@
 
 static GtkWidget *web_view;
 static GtkWidget *window;
+static WebKitSettings *webkit_settings;
 
 /*
 static void
@@ -42,17 +43,14 @@ timed_login_cb (LightDMGreeter *greeter, const gchar *username, WebKitWebView *v
 
 
 static void
-sigterm_cb (int signum)
-{
+sigterm_cb(int signum) {
     exit(0);
 }
 
 static GdkFilterReturn
-wm_window_filter (GdkXEvent *gxevent, GdkEvent *event, gpointer  data)
-{
+wm_window_filter(GdkXEvent *gxevent, GdkEvent *event, gpointer data) {
     XEvent *xevent = (XEvent *) gxevent;
-    if (xevent->type == MapNotify)
-    {
+    if (xevent->type == MapNotify) {
         GdkDisplay *display = gdk_x11_lookup_xdisplay(xevent->xmap.display);
         GdkWindow *win = gdk_x11_window_foreign_new_for_display(display, xevent->xmap.window);
         GdkWindowTypeHint win_type = gdk_window_get_type_hint(win);
@@ -66,8 +64,7 @@ wm_window_filter (GdkXEvent *gxevent, GdkEvent *event, gpointer  data)
             */
             gdk_window_focus(win, GDK_CURRENT_TIME);
     }
-    else if (xevent->type == UnmapNotify)
-    {
+    else if (xevent->type == UnmapNotify) {
         Window xwin;
         int revert_to = RevertToNone;
 
@@ -89,12 +86,25 @@ main(int argc, char **argv) {
 
     WebKitWebContext *context = webkit_web_context_get_default();
     webkit_web_context_set_web_extensions_directory(context, LIGHTDM_WEBKIT2_GREETER_EXTENSIONS_DIR);
+    webkit_settings = webkit_settings_new_with_settings("enable-developer-extras", TRUE,
+                                                        "enable-fullscreen", TRUE,
+                                                        "enable-site-specific-quirks", TRUE,
+                                                        "enable-dns-prefetching", TRUE,
+                                                        "javascript-can-open-windows-automatically", TRUE,
+                                                        "allow-file-access-from-file-urls", TRUE,
+                                                        "enable-accelerated-2d-canvas", TRUE,
+                                                        "enable-smooth-scrolling", TRUE,
+                                                        "enable-webgl", TRUE,
+                                                        "enable-write-console-messages-to-stdout", TRUE,
+
+                                                        NULL);
 
     signal(SIGTERM, sigterm_cb);
 
     gtk_init(&argc, &argv);
 
-    gdk_window_set_cursor (gdk_get_default_root_window (), gdk_cursor_new_for_display (gdk_display_get_default (), GDK_LEFT_PTR));
+    gdk_window_set_cursor(gdk_get_default_root_window(),
+                          gdk_cursor_new_for_display(gdk_display_get_default(), GDK_LEFT_PTR));
 
 
     /* settings */
@@ -112,11 +122,20 @@ main(int argc, char **argv) {
     gtk_window_set_default_size(GTK_WINDOW(window), geometry.width, geometry.height);
     gtk_window_move(GTK_WINDOW(window), geometry.x, geometry.y);
 
+    web_view = webkit_web_view_new_with_settings(webkit_settings);
+
+    gdk_rgba_parse(&bg_color, "#000000");
 
-    web_view = webkit_web_view_new();
-    if (gdk_rgba_parse(&bg_color, "#000000")) {
+
+    if (bg_color.alpha < 1) {
+        GdkVisual *rgba_visual = gdk_screen_get_rgba_visual(screen);
+
+        if (rgba_visual) {
+            gtk_widget_set_visual(GTK_WIDGET(window), rgba_visual);
+            gtk_widget_set_app_paintable(GTK_WIDGET(window), TRUE);
+        }
+    }
     webkit_web_view_set_background_color(WEBKIT_WEB_VIEW(web_view), gdk_rgba_copy(&bg_color));
-    };
 
 
     gtk_container_add(GTK_CONTAINER(window), web_view);