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Date: Tue, 04 Nov 2008 18:36:27 +0000
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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Subject: [Qemu-devel] [PATCH 2 of 2] sdl hide pointer when not in focus
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To: qemu-devel@nongnu.org
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>

Hide the mouse pointer when the sdl window is not in focus.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

diff -r e42ba25a7313 sdl.c
--- a/sdl.c	Tue Nov 04 18:11:03 2008 +0000
+++ b/sdl.c	Tue Nov 04 18:11:23 2008 +0000
@@ -50,6 +50,7 @@
 static int guest_cursor = 0;
 static int guest_x, guest_y;
 static SDL_Cursor *guest_sprite = 0;
+static int mouse_active = SDL_ENABLE;
 
 static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
 {
@@ -514,7 +515,8 @@
                         dz = 1;
                     }
 #endif
-                    sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
+                    if (mouse_active == SDL_ENABLE)
+                        sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
                 }
             }
             break;
@@ -522,6 +524,14 @@
             if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
                 !ev->active.gain && !gui_fullscreen_initial_grab) {
                 sdl_grab_end();
+            }
+            /* Send mouse pointer to oblivion on focus change */
+            if ((ev->active.state == SDL_APPINPUTFOCUS) ||
+                (ev->active.state == SDL_APPMOUSEFOCUS))
+            {
+                mouse_active = ev->active.gain;
+                if (mouse_active != SDL_ENABLE)
+                    kbd_mouse_event(0x7FFF, 0x7FFF, 0, 0);
             }
             if (ev->active.state & SDL_APPACTIVE) {
                 if (ev->active.gain) {