This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_x11video.c
370 lines (324 loc) · 10.4 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_video.h"
#include "SDL_mouse.h"
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "SDL_x11video.h"
//#include "SDL_d3drender.h"
//#include "SDL_gdirender.h"
33
34
35
36
XDevice **SDL_XDevices;
int SDL_NumOfXDevices;
XEventClass SDL_XEvents[256];
int SDL_NumOfXEvents;
37
int motion, button_pressed, button_released;
38
int proximity_in, proximity_out;
39
40
41
42
43
/* Initialization/Query functions */
static int X11_VideoInit(_THIS);
static void X11_VideoQuit(_THIS);
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
/* Find out what class name we should use */
static char *
get_classname()
{
char *spot;
#if defined(__LINUX__) || defined(__FREEBSD__)
char procfile[1024];
char linkfile[1024];
int linksize;
#endif
/* First allow environment variable override */
spot = SDL_getenv("SDL_VIDEO_X11_WMCLASS");
if (spot) {
return SDL_strdup(spot);
}
/* Next look at the application's executable name */
#if defined(__LINUX__) || defined(__FREEBSD__)
#if defined(__LINUX__)
SDL_snprintf(procfile, SDL_arraysize(procfile), "/proc/%d/exe", getpid());
#elif defined(__FREEBSD__)
SDL_snprintf(procfile, SDL_arraysize(procfile), "/proc/%d/file",
getpid());
#else
#error Where can we find the executable name?
#endif
linksize = readlink(procfile, linkfile, sizeof(linkfile) - 1);
if (linksize > 0) {
linkfile[linksize] = '\0';
spot = SDL_strrchr(linkfile, '/');
if (spot) {
return SDL_strdup(spot + 1);
} else {
return SDL_strdup(linkfile);
}
}
#endif /* __LINUX__ || __FREEBSD__ */
/* Finally use the default we've used forever */
return SDL_strdup("SDL_App");
}
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
/* X11 driver bootstrap functions */
static int
X11_Available(void)
{
Display *display = NULL;
if (SDL_X11_LoadSymbols()) {
display = XOpenDisplay(NULL);
if (display != NULL) {
XCloseDisplay(display);
}
SDL_X11_UnloadSymbols();
}
return (display != NULL);
}
static void
X11_DeleteDevice(SDL_VideoDevice * device)
{
106
int i;
107
108
109
110
SDL_VideoData *data = (SDL_VideoData *) device->driverdata;
if (data->display) {
XCloseDisplay(data->display);
}
111
SDL_free(data->windowlist);
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
SDL_free(device->driverdata);
SDL_free(device);
SDL_X11_UnloadSymbols();
}
static SDL_VideoDevice *
X11_CreateDevice(int devindex)
{
SDL_VideoDevice *device;
SDL_VideoData *data;
const char *display = NULL; /* Use the DISPLAY environment variable */
if (!SDL_X11_LoadSymbols()) {
return NULL;
}
/* Initialize all variables that we clean on shutdown */
device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
131
132
133
if (!device) {
SDL_OutOfMemory();
return NULL;
134
}
135
136
data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
if (!data) {
137
SDL_OutOfMemory();
138
SDL_free(device);
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
return NULL;
}
device->driverdata = data;
/* FIXME: Do we need this?
if ( (SDL_strncmp(XDisplayName(display), ":", 1) == 0) ||
(SDL_strncmp(XDisplayName(display), "unix:", 5) == 0) ) {
local_X11 = 1;
} else {
local_X11 = 0;
}
*/
data->display = XOpenDisplay(display);
#if defined(__osf__) && defined(SDL_VIDEO_DRIVER_X11_DYNAMIC)
/* On Tru64 if linking without -lX11, it fails and you get following message.
* Xlib: connection to ":0.0" refused by server
* Xlib: XDM authorization key matches an existing client!
*
* It succeeds if retrying 1 second later
* or if running xhost +localhost on shell.
*/
if (data->display == NULL) {
SDL_Delay(1000);
data->display = XOpenDisplay(display);
}
#endif
if (data->display == NULL) {
SDL_free(device);
SDL_SetError("Couldn't open X11 display");
return NULL;
}
#ifdef X11_DEBUG
XSynchronize(data->display, True);
#endif
/* Set the function pointers */
device->VideoInit = X11_VideoInit;
device->VideoQuit = X11_VideoQuit;
device->GetDisplayModes = X11_GetDisplayModes;
device->SetDisplayMode = X11_SetDisplayMode;
179
180
device->SetDisplayGammaRamp = X11_SetDisplayGammaRamp;
device->GetDisplayGammaRamp = X11_GetDisplayGammaRamp;
181
device->PumpEvents = X11_PumpEvents;
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
device->CreateWindow = X11_CreateWindow;
device->CreateWindowFrom = X11_CreateWindowFrom;
device->SetWindowTitle = X11_SetWindowTitle;
device->SetWindowPosition = X11_SetWindowPosition;
device->SetWindowSize = X11_SetWindowSize;
device->ShowWindow = X11_ShowWindow;
device->HideWindow = X11_HideWindow;
device->RaiseWindow = X11_RaiseWindow;
device->MaximizeWindow = X11_MaximizeWindow;
device->MinimizeWindow = X11_MinimizeWindow;
device->RestoreWindow = X11_RestoreWindow;
device->SetWindowGrab = X11_SetWindowGrab;
device->DestroyWindow = X11_DestroyWindow;
device->GetWindowWMInfo = X11_GetWindowWMInfo;
197
#ifdef SDL_VIDEO_OPENGL_GLX
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
device->GL_LoadLibrary = X11_GL_LoadLibrary;
device->GL_GetProcAddress = X11_GL_GetProcAddress;
device->GL_CreateContext = X11_GL_CreateContext;
device->GL_MakeCurrent = X11_GL_MakeCurrent;
device->GL_SetSwapInterval = X11_GL_SetSwapInterval;
device->GL_GetSwapInterval = X11_GL_GetSwapInterval;
device->GL_SwapWindow = X11_GL_SwapWindow;
device->GL_DeleteContext = X11_GL_DeleteContext;
#endif
device->free = X11_DeleteDevice;
return device;
}
VideoBootStrap X11_bootstrap = {
"x11", "SDL X11 video driver",
X11_Available, X11_CreateDevice
};
int
X11_VideoInit(_THIS)
{
222
223
int i,index=0,c_not_needed;
XEventClass xEvent;
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
/* Get the window class name, usually the name of the application */
data->classname = get_classname();
/* Open a connection to the X input manager */
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
data->im =
XOpenIM(data->display, NULL, data->classname, data->classname);
}
#endif
/* Save DPMS and screensaver settings */
X11_SaveScreenSaver(data->display, &data->screensaver_timeout,
&data->dpms_enabled);
X11_DisableScreenSaver(data->display);
/* Look up some useful Atoms */
data->WM_DELETE_WINDOW =
XInternAtom(data->display, "WM_DELETE_WINDOW", False);
246
247
X11_InitModes(_this);
248
249
250
if (X11_InitKeyboard(_this) != 0) {
return -1;
}
251
X11_InitMouse(_this);
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
for(i=0;i<SDL_NumOfXDevices;++i)
{
DeviceKeyPress(SDL_XDevices[i],c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceKeyRelease(SDL_XDevices[i],c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
/* focus events */
DeviceFocusIn(SDL_XDevices[i],c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceFocusOut(SDL_XDevices[i],c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
/* button events */
DeviceButtonPress(SDL_XDevices[i],c_not_needed,xEvent);
267
268
269
270
271
if (xEvent)
{
SDL_XEvents[index++] = xEvent;
button_pressed=c_not_needed;
}
272
DeviceButtonRelease(SDL_XDevices[i],c_not_needed,xEvent);
273
274
275
276
277
if (xEvent)
{
SDL_XEvents[index++] = xEvent;
button_released=c_not_needed;
}
278
279
280
/* proximity events */
ProximityIn(SDL_XDevices[i],c_not_needed,xEvent);
281
282
283
284
285
if (xEvent)
{
SDL_XEvents[index++] = xEvent;
proximity_in=c_not_needed;
}
286
ProximityOut(SDL_XDevices[i],c_not_needed,xEvent);
287
288
289
290
291
if (xEvent)
{
SDL_XEvents[index++] = xEvent;
proximity_out=c_not_needed;
}
292
293
/* motion events */
DeviceMotionNotify(SDL_XDevices[i],c_not_needed,xEvent);
294
295
296
297
298
if (xEvent)
{
SDL_XEvents[index++] = xEvent;
motion=c_not_needed;
}
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/* device state */
DeviceStateNotify(SDL_XDevices[i],c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceMappingNotify(SDL_XDevices[i],
c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
ChangeDeviceNotify(SDL_XDevices[i],c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
#if 0
/* this cuts the motion data down - not sure if this is useful */
DevicePointerMotionHint(SDL_XDevices[i],
c_not_neededINPUTEVENT_DEVICE_POINTER_MOTION_HINT],xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
#endif
/* button motion */
DeviceButtonMotion(SDL_XDevices[i],
c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceButton1Motion(SDL_XDevices[i],
c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceButton2Motion(SDL_XDevices[i],
c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceButton3Motion(SDL_XDevices[i],
c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceButton4Motion(SDL_XDevices[i],
c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
DeviceButton5Motion(SDL_XDevices[i],
c_not_needed,xEvent);
if (xEvent) SDL_XEvents[index++] = xEvent;
}
SDL_NumOfXEvents=index;
337
338
339
340
341
342
343
return 0;
}
void
X11_VideoQuit(_THIS)
{
344
345
int i;
346
347
348
349
350
351
352
353
354
355
356
357
358
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
if (data->classname) {
SDL_free(data->classname);
}
#ifdef X_HAVE_UTF8_STRING
if (data->im) {
XCloseIM(data->im);
}
#endif
X11_RestoreScreenSaver(data->display, data->screensaver_timeout,
data->dpms_enabled);
359
360
361
X11_QuitModes(_this);
X11_QuitKeyboard(_this);
X11_QuitMouse(_this);
362
free(SDL_XDevices);
363
364
}
365
366
367
368
369
/*void X11_ForwardWindowCoordinates(int x, int y)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
}*/
370
/* vim: set ts=4 sw=4 expandtab: */