From fd68dbd1320ff9c52153381e6f2a38d9d4ca7481 Mon Sep 17 00:00:00 2001
From: Simon Steinbeiss <simon.steinbeiss@elfenbeinturm.at>
Date: Thu, 27 Nov 2014 23:54:33 +0100
Subject: [PATCH] Add support for the _NET_WM_STATE_FOCUSED property (bug
 #11067)

patch by John Lindgren, Gtk3 windows can now be drawn
in unfocused style.
---
 src/display.c | 1 +
 src/display.h | 1 +
 src/focus.c   | 6 ++++++
 src/hints.c   | 1 +
 src/netwm.c   | 5 +++++
 5 files changed, 14 insertions(+)

diff --git a/src/display.c b/src/display.c
index 3c2e7ba..ee719f5 100644
--- a/src/display.c
+++ b/src/display.c
@@ -126,6 +126,7 @@ myDisplayInitAtoms (DisplayInfo *display_info)
         "_NET_WM_STATE_ABOVE",
         "_NET_WM_STATE_BELOW",
         "_NET_WM_STATE_DEMANDS_ATTENTION",
+        "_NET_WM_STATE_FOCUSED",
         "_NET_WM_STATE_FULLSCREEN",
         "_NET_WM_STATE_HIDDEN",
         "_NET_WM_STATE_MAXIMIZED_HORZ",
diff --git a/src/display.h b/src/display.h
index 8797237..2ec8993 100644
--- a/src/display.h
+++ b/src/display.h
@@ -221,6 +221,7 @@ enum
     NET_WM_STATE_ABOVE,
     NET_WM_STATE_BELOW,
     NET_WM_STATE_DEMANDS_ATTENTION,
+    NET_WM_STATE_FOCUSED,
     NET_WM_STATE_FULLSCREEN,
     NET_WM_STATE_HIDDEN,
     NET_WM_STATE_MAXIMIZED_HORZ,
diff --git a/src/focus.c b/src/focus.c
index c1f870c..d0bcd53 100644
--- a/src/focus.c
+++ b/src/focus.c
@@ -462,6 +462,8 @@ clientFocusNone (ScreenInfo *screen_info, Client *previous, guint32 timestamp)
 
     if (previous)
     {
+        FLAG_UNSET (previous->flags, XFWM_FLAG_FOCUS);
+        clientSetNetState (previous);
         frameQueueDraw (previous, FALSE);
         if (previous->screen_info != screen_info)
         {
@@ -497,6 +499,8 @@ clientUpdateFocus (ScreenInfo *screen_info, Client * c, unsigned short flags)
     client_focus = c;
     if (c2)
     {
+        FLAG_UNSET (c2->flags, XFWM_FLAG_FOCUS);
+        clientSetNetState (c2);
         clientAdjustFullscreenLayer (c2, FALSE);
         frameQueueDraw (c2, FALSE);
         clientUpdateOpacity (c2);
@@ -515,6 +519,8 @@ clientUpdateFocus (ScreenInfo *screen_info, Client * c, unsigned short flags)
             FLAG_UNSET (c->flags, CLIENT_FLAG_DEMANDS_ATTENTION);
             clientSetNetState (c);
         }
+        FLAG_SET (c->flags, XFWM_FLAG_FOCUS);
+        clientSetNetState (c);
         clientAdjustFullscreenLayer (c, TRUE);
         frameQueueDraw (c, FALSE);
         clientUpdateOpacity (c);
diff --git a/src/hints.c b/src/hints.c
index 45c243c..8bc5c4b 100644
--- a/src/hints.c
+++ b/src/hints.c
@@ -389,6 +389,7 @@ setNetSupportedHint (DisplayInfo *display_info, Window root, Window check_win)
     atoms[i++] = display_info->atoms[NET_WM_STATE_ABOVE];
     atoms[i++] = display_info->atoms[NET_WM_STATE_BELOW];
     atoms[i++] = display_info->atoms[NET_WM_STATE_DEMANDS_ATTENTION];
+    atoms[i++] = display_info->atoms[NET_WM_STATE_FOCUSED];
     atoms[i++] = display_info->atoms[NET_WM_STATE_FULLSCREEN];
     atoms[i++] = display_info->atoms[NET_WM_STATE_HIDDEN];
     atoms[i++] = display_info->atoms[NET_WM_STATE_MAXIMIZED_HORZ];
diff --git a/src/netwm.c b/src/netwm.c
index 1352f08..89269a3 100644
--- a/src/netwm.c
+++ b/src/netwm.c
@@ -130,6 +130,11 @@ clientSetNetState (Client * c)
         TRACE ("clientSetNetState : demands_attention");
         data[i++] = display_info->atoms[NET_WM_STATE_DEMANDS_ATTENTION];
     }
+    if (FLAG_TEST (c->flags, XFWM_FLAG_FOCUS))
+    {
+        TRACE ("clientSetNetState : focused");
+        data[i++] = display_info->atoms[NET_WM_STATE_FOCUSED];
+    }
     XChangeProperty (display_info->dpy, c->window,
                      display_info->atoms[NET_WM_STATE], XA_ATOM, 32,
                      PropModeReplace, (unsigned char *) data, i);
-- 
1.9.1