early hidpi supportHEADmaster

1 files changed, 10 insertions, 5 deletions

diff --git a/libmdock/thumbnailer.c b/libmdock/thumbnailer.c
index 0e3d44c..f5030db 100644
--- a/libmdock/thumbnailer.c
+++ b/libmdock/thumbnailer.c
@@ -73,6 +73,7 @@ void thumbnailer_schedule_update(WnckWindow *window)
 void thumbnailer_update_thumbnail(WnckWindow *window)
 {
 	GdkDisplay *display = gdk_display_get_default();
+	GdkScreen *screen = gdk_display_get_default_screen(display);
 	ThumbnailData *tdata = g_object_get_qdata(G_OBJECT(window), mdock_thumbnail_data_quark());
 	g_return_if_fail(tdata);
 
@@ -80,17 +81,21 @@ void thumbnailer_update_thumbnail(WnckWindow *window)
 
 	GdkWindow *root = gdk_get_default_root_window();
 
+	gdouble scale = MAX(gdk_screen_get_resolution(screen), 96.0) / 96.0;
+	const gint max_w = THUMBNAIL_MAX_WIDTH * scale,
+	           max_h = THUMBNAIL_MAX_HEIGHT * scale;
+
 	int screen_x, screen_y, win_x, win_y, win_w, win_h, thumb_w, thumb_h, cur_w, cur_h;
 	gdk_window_get_origin(root, &screen_x, &screen_y);
 	wnck_window_get_client_window_geometry(window, &win_x, &win_y, &win_w, &win_h);
 
-	if (win_w > THUMBNAIL_MAX_WIDTH || win_h > THUMBNAIL_MAX_HEIGHT) {
+	if (win_w > max_w || win_h > max_h) {
 		if (win_h > win_w) {
-			thumb_w  = (THUMBNAIL_MAX_HEIGHT * win_w) / win_h;
-			thumb_h = THUMBNAIL_MAX_HEIGHT;
+			thumb_w  = (max_h * win_w) / win_h;
+			thumb_h = max_h;
 		} else {
-			thumb_w  = THUMBNAIL_MAX_WIDTH;
-			thumb_h = (THUMBNAIL_MAX_WIDTH * win_h) / win_w;
+			thumb_w  = max_w;
+			thumb_h = (max_w * win_h) / win_w;
 		}
 	} else {
 		thumb_w = win_w;