Increase icon size on tab and workspace popups

Alt+Tab and Workspace popups should be sized relative to the monitor size.
This way they look nice and large regardless of the display resolution.

Also, given much larger modern resolutions, icon sizes should be larger by default.

2 files changed, 47 insertions, 6 deletions

diff --git a/src/core/screen-private.h b/src/core/screen-private.h
index c1552ab0..6cd720d7 100644
--- a/src/core/screen-private.h
+++ b/src/core/screen-private.h
@@ -36,6 +36,7 @@
 #include "display-private.h"
 #include "screen.h"
 #include <X11/Xutil.h>
+#include <gdk/gdk.h>
 #include "ui.h"
 
 typedef struct _MetaXineramaScreenInfo MetaXineramaScreenInfo;
@@ -193,6 +194,8 @@ void          meta_screen_update_workspace_layout (MetaScreen             *scree
 void          meta_screen_update_workspace_names  (MetaScreen             *screen);
 void          meta_screen_queue_workarea_recalc   (MetaScreen             *screen);
 
+GdkMonitor* meta_screen_get_current_monitor (void);
+
 Window meta_create_offscreen_window (Display *xdisplay,
                                      Window   parent,
                                      long     valuemask);
diff --git a/src/core/screen.c b/src/core/screen.c
index 4b74ed72..8e1448ec 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -1214,7 +1214,7 @@ meta_screen_update_cursor (MetaScreen *screen)
   XFreeCursor (screen->display->xdisplay, xcursor);
 }
 
-#define MAX_PREVIEW_SIZE 150.0
+#define MAX_PREVIEW_SCALE 10.0
 
 static GdkPixbuf *
 get_window_pixbuf (MetaWindow *window,
@@ -1224,6 +1224,8 @@ get_window_pixbuf (MetaWindow *window,
   MetaDisplay *display;
   cairo_surface_t *surface;
   GdkPixbuf *pixbuf, *scaled;
+  GdkMonitor *monitor;
+  GdkRectangle rect;
   double ratio;
 
   display = window->display;
@@ -1246,17 +1248,30 @@ get_window_pixbuf (MetaWindow *window,
   *width = gdk_pixbuf_get_width (pixbuf);
   *height = gdk_pixbuf_get_height (pixbuf);
 
-  /* Scale pixbuf to max dimension MAX_PREVIEW_SIZE */
+  monitor = meta_screen_get_current_monitor ();
+  if (monitor != NULL)
+  {
+    gdk_monitor_get_geometry (monitor, &rect);
+  }
+  else
+  {
+    rect.width = window->screen->rect.width;
+    rect.height = window->screen->rect.height;
+  }
+
+  /* Scale pixbuf to max dimension based on monitor size */
   if (*width > *height)
     {
-      ratio = ((double) *width) / MAX_PREVIEW_SIZE;
-      *width = (int) MAX_PREVIEW_SIZE;
+      int max_preview_width = rect.width / MAX_PREVIEW_SCALE;
+      ratio = ((double) *width) / max_preview_width;
+      *width = (int) max_preview_width;
       *height = (int) (((double) *height) / ratio);
     }
   else
     {
-      ratio = ((double) *height) / MAX_PREVIEW_SIZE;
-      *height = (int) MAX_PREVIEW_SIZE;
+      int max_preview_height = rect.height / MAX_PREVIEW_SCALE;
+      ratio = ((double) *height) / max_preview_height;
+      *height = (int) max_preview_height;
       *width = (int) (((double) *width) / ratio);
     }
 
@@ -1797,6 +1812,29 @@ meta_screen_get_current_xinerama (MetaScreen *screen)
   return &screen->xinerama_infos[screen->last_xinerama_index];
 }
 
+GdkMonitor *
+meta_screen_get_current_monitor ()
+{
+  GdkDisplay *display;
+  GdkSeat *seat;
+  GdkDevice *device;
+  GdkMonitor *current;
+  gint x, y;
+
+  display = gdk_display_get_default ();
+  seat = gdk_display_get_default_seat (display);
+  device = gdk_seat_get_pointer (seat);
+
+  gdk_device_get_position (device, NULL, &x, &y);
+  current = gdk_display_get_monitor_at_point (display, x, y);
+
+  if (current != NULL) {
+    return current;
+  }
+
+  return gdk_display_get_primary_monitor (display);
+}
+
 #define _NET_WM_ORIENTATION_HORZ 0
 #define _NET_WM_ORIENTATION_VERT 1