--- /dev/null
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#ifdef WINNIE_SDL
+#include <SDL/SDL.h>
+
+#include "mouse.h"
+#include "shalloc.h"
+#include "wm.h"
+#include "window.h"
+#include "winnie.h"
+
+extern SDL_Event sdl_event;
+
+struct Mouse {
+ int pointer_x;
+ int pointer_y;
+ int bnstate;
+};
+
+static Mouse *mouse;
+
+bool init_mouse()
+{
+ if(!(mouse = (Mouse*)sh_malloc(sizeof *mouse))) {
+ return false;
+ }
+ get_subsys()->mouse_offset = (int)((char*)mouse - (char*)get_pool());
+
+ memset(mouse, 0, sizeof *mouse);
+ return true;
+}
+
+void destroy_mouse()
+{
+ sh_free(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 *win;
+ if(!(win = wm->get_grab_window())) {
+ win = wm->get_window_at_pos(mouse->pointer_x, mouse->pointer_y);
+ if(win) {
+ wm->set_focused_window(win);
+ }
+ else {
+ wm->set_focused_window(0);
+ }
+ }
+
+ switch(sdl_event.type) {
+ case SDL_MOUSEMOTION:
+ mouse->pointer_x = sdl_event.motion.x;
+ mouse->pointer_y = sdl_event.motion.y;
+ if(win && (motion_callback = win->get_mouse_motion_callback())) {
+ Rect rect = win->get_absolute_rect();
+ motion_callback(win, mouse->pointer_x - rect.x, mouse->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) {
+ mouse->bnstate |= 1 << bn;
+ }
+ else {
+ mouse->bnstate &= ~(1 << bn);
+ }
+ if(win && (button_callback = win->get_mouse_button_callback())) {
+ Rect rect = win->get_absolute_rect();
+ button_callback(win, bn, sdl_event.button.state, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
+ }
+ }
+}
+
+void get_pointer_pos(int *x, int *y)
+{
+ *x = mouse->pointer_x;
+ *y = mouse->pointer_y;
+}
+
+int get_button_state()
+{
+ return mouse->bnstate;
+}
+
+int get_button(int bn)
+{
+ if(bn < 0 || bn >= 3) {
+ return 0;
+ }
+ return (mouse->bnstate & (1 << bn)) != 0;
+}
+#endif // WINNIE_SDL