src/client/mouse_buffer.c

   1 #include <SDL.h>
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <assert.h>
   6
   7 #include "main.h"
   8 #include "list.h"
   9 #include "mouse_buffer.h"
  10
  11 static list_t *list_event;
  12
  13 typedef struct mouse_event_struct {
  14         Uint8 button;
  15         int x;
  16         int y;
  17 } mouse_event_t;
  18
  19 static mouse_event_t *mouse_event_new(int x, int y, Uint8 button)
  20 {
  21         mouse_event_t *mouse_event;
  22
  23         mouse_event = malloc(sizeof(mouse_event_t));
  24         mouse_event->x = x;
  25         mouse_event->y = y;
  26         mouse_event->button = button;
  27
  28         return mouse_event;
  29 }
  30
  31 static void mouse_event_destroy(mouse_event_t *mouse_event)
  32 {
  33         assert(mouse_event != NULL);
  34         free(mouse_event);
  35 }
  36
  37 int mouse_buffer_init()
  38 {
  39         list_event = list_new();
  40
  41         return 0;
  42 }
  43
  44 int mouse_buffer_event(SDL_MouseButtonEvent *button)
  45 {
  46         assert(button != NULL);
  47         assert(list_event != NULL);
  48
  49         switch (button->button) {
  50                 case SDL_BUTTON_LEFT:
  51                 case SDL_BUTTON_RIGHT:
  52                         /*printf("mouse button - pos(%d,%d)\n", button->x, button->y);*/
  53
  54                         list_add(list_event, mouse_event_new(button->x, button->y, button->button));
  55
  56                         return 1;
  57                         break;
  58
  59                 default:
  60                         break;
  61         }
  62
  63         return 0;
  64 }
  65
  66 int mouse_buffer_clean()
  67 {
  68         assert(list_event != NULL);
  69
  70         list_destroy_item(list_event, mouse_event_destroy);
  71         list_event = list_new();
  72
  73         return 0;
  74 }
  75
  76 bool_t mouse_buffer_is_on_area(int x, int y, int w, int h, unsigned int flag)
  77 {
  78         mouse_event_t *mouse_event;
  79         int i;
  80
  81         assert(list_event != NULL);
  82
  83         if (flag & MOUSE_BUF_MOTION) {
  84                 int mouse_x, mouse_y;
  85
  86                 SDL_GetMouseState(&mouse_x, &mouse_y);
  87
  88                 if (mouse_x >= x && mouse_y >= y &&
  89                     mouse_x < x+w && mouse_y < y+h) {
  90                         return TRUE;
  91                 }
  92         } else {
  93                 for (i = 0; i < list_event->count; i++) {
  94                         mouse_event = (mouse_event_t *) list_event->list[i];
  95
  96                         if ((mouse_event->x >= x && mouse_event->y >= y &&
  97                              mouse_event->x < x + w && mouse_event->y < y + h) ||
  98                             (flag & MOUSE_BUF_AREA_NONE)) {
  99                                 if (flag & MOUSE_BUF_CLICK_LEFT) {
 100                                         if (mouse_event->button == SDL_BUTTON_LEFT) {
 101                                                 return TRUE;
 102                                         } else {
 103                                                 return FALSE;
 104                                         }
 105                                 }
 106
 107                                 if (flag & MOUSE_BUF_CLICK_RIGHT) {
 108                                         if (mouse_event->button == SDL_BUTTON_RIGHT) {
 109                                                 return TRUE;
 110                                         } else {
 111                                                 return FALSE;
 112                                         }
 113                                 }
 114
 115                                 if (flag & MOUSE_BUF_CLICK) {
 116                                         if (mouse_event->button == SDL_BUTTON_LEFT ||
 117                                             mouse_event->button == SDL_BUTTON_RIGHT) {
 118                                                 return TRUE;
 119                                         } else {
 120                                                 return FALSE;
 121                                         }
 122                                 }
 123
 124                                 return TRUE;
 125                         }
 126                 }
 127         }
 128
 129         return FALSE;
 130 }
 131
 132 int mouse_buffer_quit()
 133 {
 134         assert(list_event != NULL);
 135         list_destroy_item(list_event, mouse_event_destroy);
 136
 137         return 0;
 138 }