Allow grabing mouse by locking its position

libsdl-org · Sep 12, 2006 · ae7f620 · ae7f620
1 parent c8f5db9
commit ae7f620
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/src/video/gem/SDL_gemmouse.c b/src/video/gem/SDL_gemmouse.c
@@ -176,10 +176,12 @@ void GEM_CheckMouseMode(_THIS)
 
 	/* If the mouse is hidden and input is grabbed, we use relative mode */
 	if ( (!(SDL_cursorstate & CURSOR_VISIBLE)) &&
-		/*(this->input_grab != SDL_GRAB_OFF) && */ /* Damn GEM can not grab */
+		(this->input_grab != SDL_GRAB_OFF) &&
              (SDL_GetAppState() & SDL_APPACTIVE) ) {
+		SDL_AtariXbios_LockMousePosition(SDL_TRUE);
 		GEM_mouse_relative = SDL_TRUE;
 	} else {
+		SDL_AtariXbios_LockMousePosition(SDL_FALSE);
 		GEM_mouse_relative = SDL_FALSE;
 		graf_mouse(M_ON, NULL);
 	}

diff --git a/src/video/gem/SDL_gemwm.c b/src/video/gem/SDL_gemwm.c
@@ -108,5 +108,9 @@ int GEM_IconifyWindow(_THIS)
 
 SDL_GrabMode GEM_GrabInput(_THIS, SDL_GrabMode mode)
 {
-	return SDL_GRAB_OFF;
+	if (this->screen == NULL) {
+		return SDL_GRAB_OFF;
+	}
+
+	return mode;
 }