2 winnie - an experimental window system
4 Copyright (C) 2013 Eleni Maria Stea
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 Author: Eleni Maria Stea <elene.mst@gmail.com>
31 extern SDL_Event sdl_event;
43 if(!(mouse = (Mouse*)sh_malloc(sizeof *mouse))) {
46 get_subsys()->mouse_offset = (int)((char*)mouse - (char*)get_pool());
48 memset(mouse, 0, sizeof *mouse);
57 bool client_open_mouse(void *smem_start, int offset)
59 mouse = (Mouse*)((unsigned char*)smem_start + offset);
63 void client_close_mouse()
67 void set_mouse_bounds(const Rect &rect)
76 void process_mouse_event()
79 MouseMotionFuncType motion_callback = 0;
80 MouseButtonFuncType button_callback = 0;
83 if(!(win = wm->get_grab_window())) {
84 win = wm->get_window_at_pos(mouse->pointer_x, mouse->pointer_y);
86 wm->set_focused_window(win);
89 wm->set_focused_window(0);
93 switch(sdl_event.type) {
95 mouse->pointer_x = sdl_event.motion.x;
96 mouse->pointer_y = sdl_event.motion.y;
97 if(win && (motion_callback = win->get_mouse_motion_callback())) {
98 Rect rect = win->get_absolute_rect();
99 motion_callback(win, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
103 case SDL_MOUSEBUTTONUP:
104 case SDL_MOUSEBUTTONDOWN:
105 bn = sdl_event.button.button - SDL_BUTTON_LEFT;
106 if(sdl_event.button.state == SDL_PRESSED) {
107 mouse->bnstate |= 1 << bn;
110 mouse->bnstate &= ~(1 << bn);
112 if(win && (button_callback = win->get_mouse_button_callback())) {
113 Rect rect = win->get_absolute_rect();
114 button_callback(win, bn, sdl_event.button.state, mouse->pointer_x - rect.x, mouse->pointer_y - rect.y);
119 void get_pointer_pos(int *x, int *y)
121 *x = mouse->pointer_x;
122 *y = mouse->pointer_y;
125 int get_button_state()
127 return mouse->bnstate;
130 int get_button(int bn)
132 if(bn < 0 || bn >= 3) {
135 return (mouse->bnstate & (1 << bn)) != 0;