From 8abba9a150e4004004609ff7a1c72a188f170d5f Mon Sep 17 00:00:00 2001
From: Victor Kareh <vkareh@redhat.com>
Date: Tue, 22 Jan 2019 10:54:54 -0500
Subject: 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.
---
 src/core/screen.c | 50 ++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 44 insertions(+), 6 deletions(-)

(limited to 'src/core/screen.c')

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
 
-- 
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