0001-Do-not-apply-this-patch-it-might-break-KWin.patch

From b9a9a286c48a28ea7a3e095fbd1bb2cbf6165ef5 Mon Sep 17 00:00:00 2001
From: Philip <pipcet@gmail.com>
Date: Sat, 22 Aug 2015 19:05:35 +0000
Subject: [PATCH] Do not apply this patch, it might break KWin

---
 src/gtkutil.c | 11 -----------
 src/xterm.c   | 23 +++++++++++++++++++++++
 2 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/src/gtkutil.c b/src/gtkutil.c
index d684cd9..bdbfb0d 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -1364,7 +1364,6 @@ x_wm_set_size_hint (struct frame *f, long int flags, bool user_position)
   int base_width, base_height;
   int min_rows = 0, min_cols = 0;
   int win_gravity = f->win_gravity;
-  Lisp_Object fs_state, frame;
   int scale = xg_get_gdk_scale ();
 
   /* Don't set size hints during initialization; that apparently leads
@@ -1373,16 +1372,6 @@ x_wm_set_size_hint (struct frame *f, long int flags, bool user_position)
   if (NILP (Vafter_init_time) || !FRAME_GTK_OUTER_WIDGET (f))
     return;
 
-  XSETFRAME (frame, f);
-  fs_state = Fframe_parameter (frame, Qfullscreen);
-  if (EQ (fs_state, Qmaximized) || EQ (fs_state, Qfullboth))
-    {
-      /* Don't set hints when maximized or fullscreen.  Apparently KWin and
-         Gtk3 don't get along and the frame shrinks (!).
-      */
-      return;
-    }
-
   if (flags)
     {
       memset (&size_hints, 0, sizeof (size_hints));
diff --git a/src/xterm.c b/src/xterm.c
index b7aacfa..b877842 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -10155,6 +10155,8 @@ x_handle_net_wm_state (struct frame *f, const XPropertyEvent *event)
 static void
 x_check_fullscreen (struct frame *f)
 {
+  Lisp_Object lval;
+
   if (do_ewmh_fullscreen (f))
     return;
 
@@ -10189,6 +10191,8 @@ x_check_fullscreen (struct frame *f)
       frame_size_history_add
 	(f, Qx_check_fullscreen, width, height, Qnil);
 
+      x_wm_set_size_hint (f, 0, false);
+
       XResizeWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
 		     width, height);
 
@@ -10201,6 +10205,25 @@ x_check_fullscreen (struct frame *f)
 	  x_sync (f);
 	}
     }
+
+  lval = Qnil;
+  switch (f->want_fullscreen)
+    {
+    case FULLSCREEN_WIDTH:
+      lval = Qfullwidth;
+      break;
+    case FULLSCREEN_HEIGHT:
+      lval = Qfullheight;
+      break;
+    case FULLSCREEN_BOTH:
+      lval = Qfullboth;
+      break;
+    case FULLSCREEN_MAXIMIZED:
+      lval = Qmaximized;
+      break;
+    }
+
+  store_frame_param (f, Qfullscreen, lval);
 }
 
 /* This function is called by x_set_offset to determine whether the window
-- 
2.5.0