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comparison src/events/SDL_mouse.c @ 2940:b93965a16fe0

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Fixed X11 mouse motion/button events - it's not actually safe to cast mouse events to device events. Fixed building SDL without XInput support Simplified the process of registering a mouse device
author Sam Lantinga <slouken@libsdl.org>
date Thu, 01 Jan 2009 07:59:08 +0000
parents 6ce28e5287e9
children 8f3fd508734b
comparison
equal deleted inserted replaced
2939:084e5b4fc5be 2940:b93965a16fe0
29 29
30 30
31 static int SDL_num_mice = 0; 31 static int SDL_num_mice = 0;
32 static int SDL_current_mouse = -1; 32 static int SDL_current_mouse = -1;
33 static SDL_Mouse **SDL_mice = NULL; 33 static SDL_Mouse **SDL_mice = NULL;
34 static int *SDL_IdIndex = NULL;
35 static int SDL_highestId = -1;
36 34
37 35
38 /* Public functions */ 36 /* Public functions */
39 int 37 int
40 SDL_MouseInit(void) 38 SDL_MouseInit(void)
49 return NULL; 47 return NULL;
50 } 48 }
51 return SDL_mice[index]; 49 return SDL_mice[index];
52 } 50 }
53 51
54 int 52 static int
55 SDL_SetMouseIndexId(int id, int index)
56 {
57 if (id < 0) {
58 SDL_SetError("Invalid Mouse ID");
59 return -1;
60 }
61 if (id > SDL_highestId) {
62 int *indexes;
63 int i;
64 indexes = (int *) SDL_realloc(SDL_IdIndex, (id + 1) * sizeof(int));
65 if (!indexes) {
66 SDL_OutOfMemory();
67 return -1;
68 }
69 SDL_IdIndex = indexes;
70 for (i = SDL_highestId + 1; i <= id; i++)
71 SDL_IdIndex[i] = -1;
72 SDL_IdIndex[id] = index;
73 SDL_highestId = id;
74 } else {
75 SDL_IdIndex[id] = index;
76 }
77 return 1;
78 }
79
80 int
81 SDL_GetMouseIndexId(int id) 53 SDL_GetMouseIndexId(int id)
82 { 54 {
83 if (id < 0 || id > SDL_highestId) { 55 int index;
84 return -1; 56 SDL_Mouse *mouse;
85 } 57
86 return SDL_IdIndex[id]; 58 for (index = 0; index < SDL_num_mice; ++index) {
87 } 59 mouse = SDL_GetMouse(index);
88 60 if (mouse->id == id) {
89 int 61 return index;
90 SDL_AddMouse(const SDL_Mouse * mouse, int index, char *name, int pressure_max, 62 }
63 }
64 return -1;
65 }
66
67 int
68 SDL_AddMouse(const SDL_Mouse * mouse, char *name, int pressure_max,
91 int pressure_min, int ends) 69 int pressure_min, int ends)
92 { 70 {
93 SDL_Mouse **mice; 71 SDL_Mouse **mice;
94 int selected_mouse; 72 int selected_mouse;
95 int length; 73 int index, length;
74
75 if (SDL_GetMouseIndexId(mouse->id) != -1) {
76 SDL_SetError("Mouse ID already in use");
77 }
96 78
97 /* Add the mouse to the list of mice */ 79 /* Add the mouse to the list of mice */
98 if (index < 0 || index >= SDL_num_mice || SDL_mice[index]) { 80 mice = (SDL_Mouse **) SDL_realloc(SDL_mice,
99 mice = 81 (SDL_num_mice + 1) * sizeof(*mice));
100 (SDL_Mouse **) SDL_realloc(SDL_mice, 82 if (!mice) {
101 (SDL_num_mice + 1) * sizeof(*mice)); 83 SDL_OutOfMemory();
102 if (!mice) { 84 return -1;
103 SDL_OutOfMemory(); 85 }
104 return -1; 86
105 } 87 SDL_mice = mice;
106 88 index = SDL_num_mice++;
107 SDL_mice = mice; 89
108 index = SDL_num_mice++;
109 }
110 SDL_mice[index] = (SDL_Mouse *) SDL_malloc(sizeof(*SDL_mice[index])); 90 SDL_mice[index] = (SDL_Mouse *) SDL_malloc(sizeof(*SDL_mice[index]));
111 if (!SDL_mice[index]) { 91 if (!SDL_mice[index]) {
112 SDL_OutOfMemory(); 92 SDL_OutOfMemory();
113 return -1; 93 return -1;
114 } 94 }