added SDL backend for easier testing

[winnie] / src / sdl / mouse.cc

diff --git a/src/sdl/mouse.cc b/src/sdl/mouse.cc
new file mode 100644 (file)
index 0000000..5531707
--- /dev/null
+++ b/src/sdl/mouse.cc
@@ -0,0 +1,89 @@
+#ifdef WINNIE_SDL
+#include <SDL/SDL.h>
+
+#include "mouse.h"
+#include "window.h"
+#include "wm.h"
+
+extern SDL_Event sdl_event;
+
+static int pointer_x, pointer_y;
+static int bnstate;
+
+bool init_mouse()
+{
+       return true;
+}
+
+void destroy_mouse()
+{
+}
+
+void set_mouse_bounds(const Rect &rect)
+{
+}
+
+int get_mouse_fd()
+{
+       return -1;
+}
+
+void process_mouse_event()
+{
+       int bn;
+       MouseMotionFuncType motion_callback = 0;
+       MouseButtonFuncType button_callback = 0;
+
+       Window *top = wm->get_window_at_pos(pointer_x, pointer_y);
+
+       if(top) {
+               wm->set_focused_window(top);
+       }
+       else {
+               wm->set_focused_window(0);
+       }
+
+       switch(sdl_event.type) {
+       case SDL_MOUSEMOTION:
+               pointer_x = sdl_event.motion.x;
+               pointer_y = sdl_event.motion.y;
+               if(top && (motion_callback = top->get_mouse_motion_callback())) {
+                       Rect rect = top->get_absolute_rect();
+                       motion_callback(top, pointer_x - rect.x, pointer_y - rect.y);
+               }
+               break;
+
+       case SDL_MOUSEBUTTONUP:
+       case SDL_MOUSEBUTTONDOWN:
+               bn = sdl_event.button.button - SDL_BUTTON_LEFT;
+               if(sdl_event.button.state == SDL_PRESSED) {
+                       bnstate |= 1 << bn;
+               }
+               else {
+                       bnstate &= ~(1 << bn);
+               }
+               if(top && (button_callback = top->get_mouse_button_callback())) {
+                       button_callback(top, bn, sdl_event.button.state);
+               }
+       }
+}
+
+void get_pointer_pos(int *x, int *y)
+{
+       *x = pointer_x;
+       *y = pointer_y;
+}
+
+int get_button_state()
+{
+       return bnstate;
+}
+
+int get_button(int bn)
+{
+       if(bn < 0 || bn >= 3) {
+               return 0;
+       }
+       return (bnstate & (1 << bn)) != 0;
+}
+#endif // WINNIE_SDL