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comparison src/video/x11/SDL_x11mouse.c @ 4465:3e69e077cb95

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Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API. Plus, this lets me start implementing cursor support.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 09 May 2010 20:47:22 -0700
parents f7b03b6838cb
children b530ef003506
comparison
equal deleted inserted replaced
4464:fa77a6429698 4465:3e69e077cb95
22 #include "SDL_config.h" 22 #include "SDL_config.h"
23 #include "SDL_x11video.h" 23 #include "SDL_x11video.h"
24 #include "SDL_x11mouse.h" 24 #include "SDL_x11mouse.h"
25 #include "../../events/SDL_mouse_c.h" 25 #include "../../events/SDL_mouse_c.h"
26 26
27 #if SDL_VIDEO_DRIVER_X11_XINPUT
28 static void
29 X11_FreeMouse(SDL_Mouse * mouse)
30 {
31 X11_MouseData *data = (X11_MouseData *) mouse->driverdata;
32
33 if (data) {
34 XCloseDevice(data->display, data->device);
35 SDL_free(data);
36 }
37 }
38 #endif
39
40 void 27 void
41 X11_InitMouse(_THIS) 28 X11_InitMouse(_THIS)
42 { 29 {
43 SDL_Mouse mouse;
44 #if SDL_VIDEO_DRIVER_X11_XINPUT
45 Display *display = ((SDL_VideoData *) _this->driverdata)->display;
46 X11_MouseData *data;
47 int i, j, n;
48 XDeviceInfo *DevList;
49 XAnyClassPtr deviceClass;
50 int event_code;
51 XEventClass xEvent;
52 #endif
53 int num_mice = 0;
54
55 SDL_zero(mouse);
56
57 #if SDL_VIDEO_DRIVER_X11_XINPUT
58 /* we're getting the list of input devices */
59 n = 0;
60 if (SDL_X11_HAVE_XINPUT) {
61 DevList = XListInputDevices(display, &n);
62 }
63
64 /* we're aquiring valuators: mice, tablets, etc. */
65 for (i = 0; i < n; ++i) {
66 /* if it's the core pointer or core keyborard we don't want it */
67 if ((DevList[i].use != IsXPointer && DevList[i].use != IsXKeyboard)) {
68 /* we have to check all of the device classes */
69 deviceClass = DevList[i].inputclassinfo;
70 for (j = 0; j < DevList[i].num_classes; ++j) {
71 if (deviceClass->class == ValuatorClass) { /* bingo ;) */
72 XValuatorInfo *valInfo;
73
74 data = (X11_MouseData *) SDL_calloc(1, sizeof(*data));
75 if (!data) {
76 continue;
77 }
78 data->display = display;
79 data->device = XOpenDevice(display, DevList[i].id);
80
81 /* motion events */
82 DeviceMotionNotify(data->device, event_code, xEvent);
83 if (xEvent) {
84 data->xevents[data->num_xevents++] = xEvent;
85 data->motion = event_code;
86 }
87
88 /* button events */
89 DeviceButtonPress(data->device, event_code, xEvent);
90 if (xEvent) {
91 data->xevents[data->num_xevents++] = xEvent;
92 data->button_pressed = event_code;
93 }
94 DeviceButtonRelease(data->device, event_code, xEvent);
95 if (xEvent) {
96 data->xevents[data->num_xevents++] = xEvent;
97 data->button_released = event_code;
98 }
99
100 /* proximity events */
101 ProximityIn(data->device, event_code, xEvent);
102 if (xEvent) {
103 data->xevents[data->num_xevents++] = xEvent;
104 data->proximity_in = event_code;
105 }
106 ProximityOut(data->device, event_code, xEvent);
107 if (xEvent) {
108 data->xevents[data->num_xevents++] = xEvent;
109 data->proximity_out = event_code;
110 }
111
112 SDL_zero(mouse);
113 mouse.id = DevList[i].id;
114 mouse.FreeMouse = X11_FreeMouse;
115 mouse.driverdata = data;
116
117 /* lets get the device parameters */
118 valInfo = (XValuatorInfo *) deviceClass;
119 /* if the device reports pressure, lets check it parameteres */
120 if (valInfo->num_axes > 2) {
121 SDL_AddMouse(&mouse, DevList[i].name,
122 valInfo->axes[2].max_value,
123 valInfo->axes[2].min_value, 1);
124 } else {
125 SDL_AddMouse(&mouse, DevList[i].name, 0, 0, 1);
126 }
127 #ifndef IsXExtensionPointer
128 #define IsXExtensionPointer 4
129 #endif
130 if (DevList[i].use == IsXExtensionPointer) {
131 ++num_mice;
132 }
133 break;
134 }
135 /* if it's not class we're interested in, lets go further */
136 deviceClass =
137 (XAnyClassPtr) ((char *) deviceClass +
138 deviceClass->length);
139 }
140 }
141 }
142 XFreeDeviceList(DevList);
143 #endif
144
145 if (num_mice == 0) {
146 SDL_zero(mouse);
147 SDL_AddMouse(&mouse, "CorePointer", 0, 0, 1);
148 }
149 } 30 }
150 31
151 void 32 void
152 X11_QuitMouse(_THIS) 33 X11_QuitMouse(_THIS)
153 { 34 {
154 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
155
156 /* !!! FIXME: use XCloseDevice()? Or maybe handle under SDL_MouseQuit()? */
157
158 /* let's delete all of the mice */
159 SDL_MouseQuit();
160 } 35 }
161 36
162 /* vi: set ts=4 sw=4 expandtab: */ 37 /* vi: set ts=4 sw=4 expandtab: */