git.mutantstargoat.com Git - winnie/blob - src/sdl/mouse.cc

   1 #ifdef WINNIE_SDL
   2 #include <SDL/SDL.h>
   3
   4 #include "mouse.h"
   5 #include "window.h"
   6 #include "wm.h"
   7
   8 extern SDL_Event sdl_event;
   9
  10 static int pointer_x, pointer_y;
  11 static int bnstate;
  12
  13 bool init_mouse()
  14 {
  15         return true;
  16 }
  17
  18 void destroy_mouse()
  19 {
  20 }
  21
  22 void set_mouse_bounds(const Rect &rect)
  23 {
  24 }
  25
  26 int get_mouse_fd()
  27 {
  28         return -1;
  29 }
  30
  31 void process_mouse_event()
  32 {
  33         int bn;
  34         MouseMotionFuncType motion_callback = 0;
  35         MouseButtonFuncType button_callback = 0;
  36
  37         Window *top;
  38         if(!(top = wm->get_grab_window())) {
  39                 top = wm->get_window_at_pos(pointer_x, pointer_y);
  40                 if(top) {
  41                         wm->set_focused_window(top);
  42                 }
  43                 else {
  44                         wm->set_focused_window(0);
  45                 }
  46         }
  47
  48         switch(sdl_event.type) {
  49         case SDL_MOUSEMOTION:
  50                 pointer_x = sdl_event.motion.x;
  51                 pointer_y = sdl_event.motion.y;
  52                 if(top && (motion_callback = top->get_mouse_motion_callback())) {
  53                         Rect rect = top->get_absolute_rect();
  54                         motion_callback(top, pointer_x - rect.x, pointer_y - rect.y);
  55                 }
  56                 break;
  57
  58         case SDL_MOUSEBUTTONUP:
  59         case SDL_MOUSEBUTTONDOWN:
  60                 bn = sdl_event.button.button - SDL_BUTTON_LEFT;
  61                 if(sdl_event.button.state == SDL_PRESSED) {
  62                         bnstate |= 1 << bn;
  63                 }
  64                 else {
  65                         bnstate &= ~(1 << bn);
  66                 }
  67                 if(top && (button_callback = top->get_mouse_button_callback())) {
  68                         Rect rect = top->get_absolute_rect();
  69                         button_callback(top, bn, sdl_event.button.state, pointer_x - rect.x, pointer_y - rect.y);
  70                 }
  71         }
  72 }
  73
  74 void get_pointer_pos(int *x, int *y)
  75 {
  76         *x = pointer_x;
  77         *y = pointer_y;
  78 }
  79
  80 int get_button_state()
  81 {
  82         return bnstate;
  83 }
  84
  85 int get_button(int bn)
  86 {
  87         if(bn < 0 || bn >= 3) {
  88                 return 0;
  89         }
  90         return (bnstate & (1 << bn)) != 0;
  91 }
  92 #endif // WINNIE_SDL