+/*
+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 "window.h"
+#include "shalloc.h"
#include "wm.h"
+#include "window.h"
+#include "winnie.h"
extern SDL_Event sdl_event;
-static int pointer_x, pointer_y;
-static int bnstate;
+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)
MouseMotionFuncType motion_callback = 0;
MouseButtonFuncType button_callback = 0;
- Window *top;
- if(!(top = wm->get_grab_window())) {
- top = wm->get_window_at_pos(pointer_x, pointer_y);
- if(top) {
- wm->set_focused_window(top);
+ 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:
- 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);
+ 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_MOUSEBUTTONDOWN:
bn = sdl_event.button.button - SDL_BUTTON_LEFT;
if(sdl_event.button.state == SDL_PRESSED) {
- bnstate |= 1 << bn;
+ mouse->bnstate |= 1 << bn;
}
else {
- bnstate &= ~(1 << bn);
+ mouse->bnstate &= ~(1 << bn);
}
- if(top && (button_callback = top->get_mouse_button_callback())) {
- Rect rect = top->get_absolute_rect();
- button_callback(top, bn, sdl_event.button.state, pointer_x - rect.x, pointer_y - rect.y);
+ 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 = pointer_x;
- *y = pointer_y;
+ *x = mouse->pointer_x;
+ *y = mouse->pointer_y;
}
int get_button_state()
{
- return bnstate;
+ return mouse->bnstate;
}
int get_button(int bn)
if(bn < 0 || bn >= 3) {
return 0;
}
- return (bnstate & (1 << bn)) != 0;
+ return (mouse->bnstate & (1 << bn)) != 0;
}
#endif // WINNIE_SDL