Add alternate grab key, by Michael Mohr.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2990 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 19 insertions, 5 deletions

diff --git a/sdl.c b/sdl.c
index 5e70ac0..16e4df6 100644
--- a/sdl.c
+++ b/sdl.c
@@ -223,8 +223,12 @@ static void sdl_update_caption(void)
 
     if (!vm_running)
         status = " [Stopped]";
-    else if (gui_grab)
-        status = " - Press Ctrl-Alt to exit grab";
+    else if (gui_grab) {
+        if (!alt_grab)
+            status = " - Press Ctrl-Alt to exit grab";
+        else
+            status = " - Press Ctrl-Alt-Shift to exit grab";
+    }
 
     if (qemu_name)
         snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);
@@ -357,8 +361,13 @@ static void sdl_refresh(DisplayState *ds)
         case SDL_KEYDOWN:
         case SDL_KEYUP:
             if (ev->type == SDL_KEYDOWN) {
-                mod_state = (SDL_GetModState() & gui_grab_code) ==
-                    gui_grab_code;
+                if (!alt_grab) {
+                    mod_state = (SDL_GetModState() & gui_grab_code) ==
+                                gui_grab_code;
+                } else {
+                    mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
+                                (gui_grab_code | KMOD_LSHIFT);
+                }
                 gui_key_modifier_pressed = mod_state;
                 if (gui_key_modifier_pressed) {
                     int keycode;
@@ -419,7 +428,12 @@ static void sdl_refresh(DisplayState *ds)
                     }
                 }
             } else if (ev->type == SDL_KEYUP) {
-                mod_state = (ev->key.keysym.mod & gui_grab_code);
+                if (!alt_grab) {
+                    mod_state = (ev->key.keysym.mod & gui_grab_code);
+                } else {
+                    mod_state = (ev->key.keysym.mod &
+                                 (gui_grab_code | KMOD_LSHIFT));
+                }
                 if (!mod_state) {
                     if (gui_key_modifier_pressed) {
                         gui_key_modifier_pressed = 0;