opportunity: Respect the basic HTML structure.

[nit.git] / lib / sdl.nit

diff --git a/lib/sdl.nit b/lib/sdl.nit
index 318b4a6..5225f9f 100644 (file)
--- a/lib/sdl.nit
+++ b/lib/sdl.nit
@@ -92,22 +92,19 @@ extern class SDLDisplay `{SDL_Surface *`}
                SDL_FillRect(recv, NULL, SDL_MapRGB(recv->format,ri,gi,bi));
        `}
 
-       fun events: Sequence[IE]
+       # SDL events since the last call to this method
+       fun events: Sequence[SDLInputEvent]
        do
-               var new_event: nullable Object = null
-               var events = new List[IE]
+               var events = new Array[SDLInputEvent]
                loop
-                       new_event = poll_event
-                       if new_event != null then # new_event isa Event then #
-                               events.add(new_event)
-                       else
-                               break
-                       end
+                       var new_event = poll_event
+                       if new_event == null then break
+                       events.add new_event
                end
                return events
        end
 
-       private fun poll_event: nullable IE import SDLKeyEvent, SDLMouseButtonEvent, SDLMouseMotionEvent, SDLQuitEvent, NativeString.to_s, SDLMouseButtonEvent.as(nullable IE), SDLMouseMotionEvent.as(nullable IE), SDLKeyEvent.as(nullable IE), SDLQuitEvent.as(nullable IE) `{
+       private fun poll_event: nullable SDLInputEvent import SDLKeyEvent, SDLMouseButtonEvent, SDLMouseMotionEvent, SDLQuitEvent, NativeString.to_s, SDLMouseButtonEvent.as(nullable SDLInputEvent), SDLMouseMotionEvent.as(nullable SDLInputEvent), SDLKeyEvent.as(nullable SDLInputEvent), SDLQuitEvent.as(nullable SDLInputEvent) `{
                SDL_Event event;
 
                SDL_PumpEvents();
@@ -122,7 +119,7 @@ extern class SDLDisplay `{SDL_Surface *`}
                                                   SDL_GetKeyName(event.key.keysym.sym));
        #endif
 
-                                       return SDLKeyEvent_as_nullable_IE(
+                                       return SDLKeyEvent_as_nullable_SDLInputEvent(
                                                        new_SDLKeyEvent(NativeString_to_s(
                                                                SDL_GetKeyName(event.key.keysym.sym)),
                                                                event.type==SDL_KEYDOWN));
@@ -134,7 +131,7 @@ extern class SDLDisplay `{SDL_Surface *`}
                                                   event.motion.x, event.motion.y);
        #endif
 
-                                       return SDLMouseMotionEvent_as_nullable_IE(
+                                       return SDLMouseMotionEvent_as_nullable_SDLInputEvent(
                                                        new_SDLMouseMotionEvent(event.motion.x, event.motion.y,
                                                                event.motion.xrel, event.motion.yrel, SDL_GetMouseState(NULL, NULL)&SDL_BUTTON(1)));
 
@@ -144,7 +141,7 @@ extern class SDLDisplay `{SDL_Surface *`}
                                        printf("Mouse button \"%d\" pressed at (%d,%d)\n",
                                                   event.button.button, event.button.x, event.button.y);
        #endif
-                                       return SDLMouseButtonEvent_as_nullable_IE(
+                                       return SDLMouseButtonEvent_as_nullable_SDLInputEvent(
                                                        new_SDLMouseButtonEvent(event.button.x, event.button.y,
                                                                event.button.button, event.type == SDL_MOUSEBUTTONDOWN));
 
@@ -152,11 +149,11 @@ extern class SDLDisplay `{SDL_Surface *`}
        #ifdef DEBUG
                                        printf("Quit event\n");
        #endif
-                                       return SDLQuitEvent_as_nullable_IE(new_SDLQuitEvent());
+                                       return SDLQuitEvent_as_nullable_SDLInputEvent(new_SDLQuitEvent());
                        }
                }
 
-               return null_InputEvent();
+               return null_SDLInputEvent();
        `}
 
        # Set the position of the cursor to x,y
@@ -172,7 +169,8 @@ extern class SDLDrawable `{SDL_Surface*`}
 
        redef type I: SDLImage
 
-       redef fun blit(img, x, y) `{
+       redef fun blit(img, x, y) do native_blit(img, x.to_i, y.to_i)
+       private fun native_blit(img: I, x, y: Int) `{
                SDL_Rect dst;
                dst.x = x;
                dst.y = y;
@@ -282,6 +280,24 @@ class SDLMouseButtonEvent
        redef var pressed: Bool
        redef fun depressed: Bool do return not pressed
 
+       # Is this event raised by the left button?
+       fun is_left_button: Bool do return button == 1
+
+       # Is this event raised by the right button?
+       fun is_right_button: Bool do return button == 2
+
+       # Is this event raised by the middle button?
+       fun is_middle_button: Bool do return button == 3
+
+       # Is this event raised by the wheel going down?
+       fun is_down_wheel: Bool do return button == 4
+
+       # Is this event raised by the wheel going up?
+       fun is_up_wheel: Bool do return button == 5
+
+       # Is this event raised by the wheel?
+       fun is_wheel: Bool do return is_down_wheel or is_up_wheel
+
        init (x, y: Float, button: Int, pressed: Bool)
        do
                super(x, y)