Added love.focus callback

changes.txt

@@ -8,6 +8,7 @@ LOVE 0.7.0
   * Added Font:getWrap.
   * Added identity field to love.conf.
   * Added love.quit callback.
+  * Added love.focus callback.
   * Added extra meter parameter to love.physics.newWorld.
   * Added love.graphics.setIcon.
   * Enabled love.filesystem.FileData.

src/modules/event/Event.cpp

@@ -66,6 +66,7 @@ namespace event
 		{"mr", Event::TYPE_MOUSE_RELEASED},
 		{"jp", Event::TYPE_JOYSTICK_PRESSED},
 		{"jr", Event::TYPE_JOYSTICK_RELEASED},
+		{"f", Event::TYPE_FOCUS},
 		{"q", Event::TYPE_QUIT},
 	};
 

src/modules/event/Event.h

@@ -44,6 +44,7 @@ namespace event
 		   TYPE_MOUSE_RELEASED,
 		   TYPE_JOYSTICK_RELEASED,
 		   TYPE_JOYSTICK_PRESSED,
+		   TYPE_FOCUS,
 		   TYPE_QUIT,
 		   TYPE_MAX_ENUM = 32
 		};
@@ -73,6 +74,12 @@ namespace event
 				love::keyboard::Keyboard::Key k;
 				unsigned short u;
 			} keyboard;
+
+			struct
+			{
+				Type type;
+				bool f;
+			} focus;
 		};
 
 		virtual ~Event();

src/modules/event/sdl/Event.cpp

@@ -96,6 +96,12 @@ namespace sdl
 			m.joystick.button = e.jbutton.button;
 			m.joystick.index = e.jbutton.which;
 			return true;
+		case SDL_ACTIVEEVENT:
+			if (e.active.state & SDL_APPINPUTFOCUS) {
+				m.type = Event::TYPE_FOCUS;
+				m.focus.f = e.active.gain;
+				return true;
+			} else break;
 		case SDL_QUIT:
 			m.type = Event::TYPE_QUIT;
 			return true;
@@ -127,6 +133,10 @@ namespace sdl
 			e.jbutton.which = m.joystick.index;
 			e.jbutton.button = m.joystick.button;
 			return true;
+		case Event::TYPE_FOCUS:
+			e.type = SDL_ACTIVEEVENT;
+			e.active.state = SDL_APPINPUTFOCUS;
+			e.active.gain = m.focus.f;
 		case Event::TYPE_QUIT:
 			e.type = SDL_QUIT;
 			return true;

src/modules/event/sdl/wrap_Event.cpp

@@ -64,6 +64,9 @@ namespace sdl
 			msg.joystick.index = luaL_checkint(L, 2);
 			msg.joystick.button = luaL_checkint(L, 3);
 			return true;
+		case Event::TYPE_FOCUS:
+			msg.focus.f = lua_toboolean(L, 2);
+			return true;
 		case Event::TYPE_QUIT:
 			return true;
 		default:
@@ -108,6 +111,9 @@ namespace sdl
 			lua_pushinteger(L, msg.joystick.index);
 			lua_pushinteger(L, msg.joystick.button);
 			return 3;
+		case Event::TYPE_FOCUS:
+			lua_pushboolean(L, msg.focus.f);
+			return 2;
 		case Event::TYPE_QUIT:
 			return 1;
 		default:

src/scripts/boot.lua

@@ -170,6 +170,9 @@ function love.createhandlers()
 		jr = function (j,b)
 			if love.joystickreleased then love.joystickreleased(j,b) end
 		end,
+		f = function (f)
+			if love.focus then love.focus(f) end
+		end,
 		q = function ()
 			return
 		end,