fixed mouse handling

[dosrtxon] / src / sdl / main.c

diff --git a/src/sdl/main.c b/src/sdl/main.c
index 2bb2d47..358d774 100644 (file)
--- a/src/sdl/main.c
+++ b/src/sdl/main.c
@@ -119,6 +119,21 @@ void swap_buffers(void *pixels)
        }
 }
 
+static int bnmask(int sdlbn)
+{
+       switch(sdlbn) {
+       case SDL_BUTTON_LEFT:
+               return MOUSE_LEFT;
+       case SDL_BUTTON_RIGHT:
+               return MOUSE_RIGHT;
+       case SDL_BUTTON_MIDDLE:
+               return MOUSE_MIDDLE;
+       default:
+               break;
+       }
+       return 0;
+}
+
 static void handle_event(SDL_Event *ev)
 {
        switch(ev->type) {
@@ -142,10 +157,10 @@ static void handle_event(SDL_Event *ev)
                break;
 
        case SDL_MOUSEBUTTONDOWN:
-               mouse_bmask |= 1 << (ev->button.button - SDL_BUTTON_LEFT);
+               mouse_bmask |= bnmask(ev->button.button);
                if(0) {
        case SDL_MOUSEBUTTONUP:
-                       mouse_bmask &= ~(1 << (ev->button.button - SDL_BUTTON_LEFT));
+                       mouse_bmask &= ~bnmask(ev->button.button);
                }
                mouse_x = ev->button.x / fbscale;
                mouse_y = ev->button.y / fbscale;