src/video/x11/SDL_x11events.c
author Bob Pendleton <bob@pendleton.com>
Sat, 12 Jan 2008 18:07:06 +0000
changeset 2299 a7cbc25071b6
parent 2295 dbc6d1893869
child 2300 c97ad1abe05b
permissions -rw-r--r--
Enabled key board auto repeat in X11_InitKeyboard.c. Had to add a couple of new Xlib symbols.
slouken@1951
     1
/*
slouken@1951
     2
    SDL - Simple DirectMedia Layer
slouken@1951
     3
    Copyright (C) 1997-2006 Sam Lantinga
slouken@1951
     4
slouken@1951
     5
    This library is free software; you can redistribute it and/or
slouken@1951
     6
    modify it under the terms of the GNU Lesser General Public
slouken@1951
     7
    License as published by the Free Software Foundation; either
slouken@1951
     8
    version 2.1 of the License, or (at your option) any later version.
slouken@1951
     9
slouken@1951
    10
    This library is distributed in the hope that it will be useful,
slouken@1951
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
slouken@1951
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
slouken@1951
    13
    Lesser General Public License for more details.
slouken@1951
    14
slouken@1951
    15
    You should have received a copy of the GNU Lesser General Public
slouken@1951
    16
    License along with this library; if not, write to the Free Software
slouken@1951
    17
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
slouken@1951
    18
slouken@1951
    19
    Sam Lantinga
slouken@1951
    20
    slouken@libsdl.org
slouken@1951
    21
*/
slouken@1951
    22
#include "SDL_config.h"
slouken@1951
    23
slouken@2046
    24
#include <sys/types.h>
slouken@2046
    25
#include <sys/time.h>
slouken@2046
    26
#include <unistd.h>
slouken@2046
    27
slouken@1951
    28
#include "SDL_syswm.h"
slouken@1951
    29
#include "SDL_x11video.h"
slouken@1951
    30
#include "../../events/SDL_events_c.h"
slouken@1951
    31
slouken@1951
    32
static void
slouken@1951
    33
X11_DispatchEvent(_THIS)
slouken@1951
    34
{
slouken@1951
    35
    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
slouken@1951
    36
    SDL_WindowData *data;
slouken@1951
    37
    XEvent xevent;
slouken@1951
    38
    int i;
slouken@1951
    39
slouken@1951
    40
    SDL_zero(xevent);           /* valgrind fix. --ryan. */
slouken@1951
    41
    XNextEvent(videodata->display, &xevent);
slouken@1951
    42
slouken@1951
    43
    /* Send a SDL_SYSWMEVENT if the application wants them */
slouken@1951
    44
    if (SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE) {
slouken@1951
    45
        SDL_SysWMmsg wmmsg;
slouken@1951
    46
slouken@1951
    47
        SDL_VERSION(&wmmsg.version);
slouken@1951
    48
        wmmsg.subsystem = SDL_SYSWM_X11;
slouken@1951
    49
        wmmsg.event.xevent = xevent;
slouken@1951
    50
        SDL_SendSysWMEvent(&wmmsg);
slouken@1951
    51
    }
slouken@1951
    52
slouken@1951
    53
    data = NULL;
slouken@1951
    54
    for (i = 0; i < videodata->numwindows; ++i) {
slouken@1951
    55
        if (videodata->windowlist[i]->window == xevent.xany.window) {
slouken@1951
    56
            data = videodata->windowlist[i];
slouken@1951
    57
        }
slouken@1951
    58
    }
slouken@1951
    59
    if (!data) {
slouken@1951
    60
        return;
slouken@1951
    61
    }
slouken@1951
    62
slouken@1951
    63
    switch (xevent.type) {
slouken@1951
    64
slouken@1951
    65
        /* Gaining mouse coverage? */
slouken@1951
    66
    case EnterNotify:{
slouken@1951
    67
#ifdef DEBUG_XEVENTS
slouken@1951
    68
            printf("EnterNotify! (%d,%d)\n", xevent.xcrossing.x,
slouken@1951
    69
                   xevent.xcrossing.y);
slouken@1951
    70
            if (xevent.xcrossing.mode == NotifyGrab)
slouken@1951
    71
                printf("Mode: NotifyGrab\n");
slouken@1951
    72
            if (xevent.xcrossing.mode == NotifyUngrab)
slouken@1951
    73
                printf("Mode: NotifyUngrab\n");
slouken@1951
    74
#endif
slouken@1951
    75
            if ((xevent.xcrossing.mode != NotifyGrab) &&
slouken@1951
    76
                (xevent.xcrossing.mode != NotifyUngrab)) {
slouken@1951
    77
                SDL_SetMouseFocus(videodata->mouse, data->windowID);
slouken@1951
    78
                SDL_SendMouseMotion(videodata->mouse, 0, xevent.xcrossing.x,
slouken@1951
    79
                                    xevent.xcrossing.y);
slouken@1951
    80
            }
slouken@1951
    81
        }
slouken@1951
    82
        break;
slouken@1951
    83
slouken@1951
    84
        /* Losing mouse coverage? */
slouken@1951
    85
    case LeaveNotify:{
slouken@1951
    86
#ifdef DEBUG_XEVENTS
slouken@1951
    87
            printf("LeaveNotify! (%d,%d)\n", xevent.xcrossing.x,
slouken@1951
    88
                   xevent.xcrossing.y);
slouken@1951
    89
            if (xevent.xcrossing.mode == NotifyGrab)
slouken@1951
    90
                printf("Mode: NotifyGrab\n");
slouken@1951
    91
            if (xevent.xcrossing.mode == NotifyUngrab)
slouken@1951
    92
                printf("Mode: NotifyUngrab\n");
slouken@1951
    93
#endif
slouken@1951
    94
            if ((xevent.xcrossing.mode != NotifyGrab) &&
slouken@1951
    95
                (xevent.xcrossing.mode != NotifyUngrab) &&
slouken@1951
    96
                (xevent.xcrossing.detail != NotifyInferior)) {
slouken@1951
    97
                SDL_SendMouseMotion(videodata->mouse, 0,
slouken@1951
    98
                                    xevent.xcrossing.x, xevent.xcrossing.y);
slouken@1951
    99
                SDL_SetMouseFocus(videodata->mouse, 0);
slouken@1951
   100
            }
slouken@1951
   101
        }
slouken@1951
   102
        break;
slouken@1951
   103
slouken@1951
   104
        /* Gaining input focus? */
slouken@1951
   105
    case FocusIn:{
slouken@1951
   106
#ifdef DEBUG_XEVENTS
slouken@1951
   107
            printf("FocusIn!\n");
slouken@1951
   108
#endif
slouken@1951
   109
            SDL_SetKeyboardFocus(videodata->keyboard, data->windowID);
slouken@1951
   110
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   111
            if (data->ic) {
slouken@1951
   112
                XSetICFocus(data->ic);
slouken@1951
   113
            }
slouken@1951
   114
#endif
slouken@1951
   115
        }
slouken@1951
   116
        break;
slouken@1951
   117
slouken@1951
   118
        /* Losing input focus? */
slouken@1951
   119
    case FocusOut:{
slouken@1951
   120
#ifdef DEBUG_XEVENTS
slouken@1951
   121
            printf("FocusOut!\n");
slouken@1951
   122
#endif
slouken@1951
   123
            SDL_SetKeyboardFocus(videodata->keyboard, 0);
slouken@1951
   124
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   125
            if (data->ic) {
slouken@1951
   126
                XUnsetICFocus(data->ic);
slouken@1951
   127
            }
slouken@1951
   128
#endif
slouken@1951
   129
        }
slouken@1951
   130
        break;
slouken@1951
   131
slouken@1951
   132
        /* Generated upon EnterWindow and FocusIn */
slouken@1951
   133
    case KeymapNotify:{
slouken@1951
   134
#ifdef DEBUG_XEVENTS
slouken@1951
   135
            printf("KeymapNotify!\n");
slouken@1951
   136
#endif
slouken@1951
   137
            /* FIXME:
slouken@1951
   138
               X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector);
slouken@1951
   139
             */
slouken@1951
   140
        }
slouken@1951
   141
        break;
slouken@1951
   142
slouken@1951
   143
        /* Mouse motion? */
slouken@1951
   144
    case MotionNotify:{
slouken@1951
   145
#ifdef DEBUG_MOTION
slouken@1951
   146
            printf("X11 motion: %d,%d\n", xevent.xmotion.x, xevent.xmotion.y);
slouken@1951
   147
#endif
slouken@1951
   148
            SDL_SendMouseMotion(videodata->mouse, 0, xevent.xmotion.x,
slouken@1951
   149
                                xevent.xmotion.y);
slouken@1951
   150
        }
slouken@1951
   151
        break;
slouken@1951
   152
slouken@1951
   153
        /* Mouse button press? */
slouken@1951
   154
    case ButtonPress:{
slouken@1951
   155
            SDL_SendMouseButton(videodata->mouse, SDL_PRESSED,
slouken@1951
   156
                                xevent.xbutton.button);
slouken@1951
   157
        }
slouken@1951
   158
        break;
slouken@1951
   159
slouken@1951
   160
        /* Mouse button release? */
slouken@1951
   161
    case ButtonRelease:{
slouken@1951
   162
            SDL_SendMouseButton(videodata->mouse, SDL_RELEASED,
slouken@1951
   163
                                xevent.xbutton.button);
slouken@1951
   164
        }
slouken@1951
   165
        break;
slouken@1951
   166
slouken@1951
   167
        /* Key press? */
slouken@1951
   168
    case KeyPress:{
slouken@1951
   169
            KeyCode keycode = xevent.xkey.keycode;
slouken@1951
   170
slouken@1951
   171
#ifdef DEBUG_XEVENTS
slouken@1951
   172
            printf("KeyPress (X11 keycode = 0x%X)\n", xevent.xkey.keycode);
slouken@1951
   173
#endif
bob@2299
   174
            SDLKey physicalKey = videodata->keyCodeToSDLKTable[keycode];
bob@2299
   175
            SDL_SendKeyboardKey(videodata->keyboard, SDL_PRESSED,
bob@2299
   176
                                (Uint8) keycode, physicalKey);
bob@2295
   177
#if 1
bob@2299
   178
            if (physicalKey == SDLK_UNKNOWN) {
bob@2299
   179
                fprintf(stderr,
bob@2299
   180
                        "The key you just pressed is not recognized by SDL. To help get this fixed, report this to the SDL mailing list <sdl@libsdl.org> or to Christian Walther <cwalther@gmx.ch>. X11 KeyCode is %d, X11 KeySym 0x%X.\n",
bob@2299
   181
                        (int) keycode,
bob@2299
   182
                        (unsigned int) XKeycodeToKeysym(videodata->display,
bob@2299
   183
                                                        keycode, 0));
bob@2299
   184
            }
bob@2295
   185
#endif
slouken@1951
   186
        }
slouken@1951
   187
        break;
slouken@1951
   188
slouken@1951
   189
        /* Key release? */
slouken@1951
   190
    case KeyRelease:{
slouken@1951
   191
            KeyCode keycode = xevent.xkey.keycode;
slouken@1951
   192
slouken@1951
   193
#ifdef DEBUG_XEVENTS
slouken@1951
   194
            printf("KeyRelease (X11 keycode = 0x%X)\n", xevent.xkey.keycode);
slouken@1951
   195
#endif
bob@2295
   196
            SDL_SendKeyboardKey(videodata->keyboard, SDL_RELEASED,
bob@2295
   197
                                (Uint8) keycode,
bob@2295
   198
                                videodata->keyCodeToSDLKTable[keycode]);
slouken@1951
   199
        }
slouken@1951
   200
        break;
slouken@1951
   201
slouken@1951
   202
        /* Have we been iconified? */
slouken@1951
   203
    case UnmapNotify:{
slouken@1951
   204
#ifdef DEBUG_XEVENTS
slouken@1951
   205
            printf("UnmapNotify!\n");
slouken@1951
   206
#endif
slouken@1951
   207
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1951
   208
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_MINIMIZED, 0,
slouken@1951
   209
                                0);
slouken@1951
   210
        }
slouken@1951
   211
        break;
slouken@1951
   212
slouken@1951
   213
        /* Have we been restored? */
slouken@1951
   214
    case MapNotify:{
slouken@1951
   215
#ifdef DEBUG_XEVENTS
slouken@1951
   216
            printf("MapNotify!\n");
slouken@1951
   217
#endif
slouken@1951
   218
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1951
   219
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_RESTORED, 0,
slouken@1951
   220
                                0);
slouken@1951
   221
        }
slouken@1951
   222
        break;
slouken@1951
   223
slouken@1951
   224
        /* Have we been resized or moved? */
slouken@1951
   225
    case ConfigureNotify:{
slouken@1951
   226
#ifdef DEBUG_XEVENTS
slouken@1951
   227
            printf("ConfigureNotify! (resize: %dx%d)\n",
slouken@1951
   228
                   xevent.xconfigure.width, xevent.xconfigure.height);
slouken@1951
   229
#endif
slouken@1951
   230
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_MOVED,
slouken@1951
   231
                                xevent.xconfigure.x, xevent.xconfigure.y);
slouken@1951
   232
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_RESIZED,
slouken@1951
   233
                                xevent.xconfigure.width,
slouken@1951
   234
                                xevent.xconfigure.height);
slouken@1951
   235
        }
slouken@1951
   236
        break;
slouken@1951
   237
slouken@1951
   238
        /* Have we been requested to quit (or another client message?) */
slouken@1951
   239
    case ClientMessage:{
slouken@1951
   240
            if ((xevent.xclient.format == 32) &&
slouken@1951
   241
                (xevent.xclient.data.l[0] == videodata->WM_DELETE_WINDOW)) {
slouken@1951
   242
slouken@1951
   243
                SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_CLOSE, 0,
slouken@1951
   244
                                    0);
slouken@1951
   245
            }
slouken@1951
   246
        }
slouken@1951
   247
        break;
slouken@1951
   248
slouken@1951
   249
        /* Do we need to refresh ourselves? */
slouken@1951
   250
    case Expose:{
slouken@1951
   251
#ifdef DEBUG_XEVENTS
slouken@1951
   252
            printf("Expose (count = %d)\n", xevent.xexpose.count);
slouken@1951
   253
#endif
slouken@1951
   254
            SDL_SendWindowEvent(data->windowID, SDL_WINDOWEVENT_EXPOSED, 0,
slouken@1951
   255
                                0);
slouken@1951
   256
        }
slouken@1951
   257
        break;
slouken@1951
   258
slouken@1951
   259
    default:{
slouken@1951
   260
#ifdef DEBUG_XEVENTS
slouken@1951
   261
            printf("Unhandled event %d\n", xevent.type);
slouken@1951
   262
#endif
slouken@1951
   263
        }
slouken@1951
   264
        break;
slouken@1951
   265
    }
slouken@1951
   266
}
slouken@1951
   267
slouken@1951
   268
/* Ack!  XPending() actually performs a blocking read if no events available */
slouken@1951
   269
int
slouken@1951
   270
X11_Pending(Display * display)
slouken@1951
   271
{
slouken@1951
   272
    /* Flush the display connection and look to see if events are queued */
slouken@1951
   273
    XFlush(display);
slouken@1951
   274
    if (XEventsQueued(display, QueuedAlready)) {
slouken@1951
   275
        return (1);
slouken@1951
   276
    }
slouken@1951
   277
slouken@1951
   278
    /* More drastic measures are required -- see if X is ready to talk */
slouken@1951
   279
    {
slouken@1951
   280
        static struct timeval zero_time;        /* static == 0 */
slouken@1951
   281
        int x11_fd;
slouken@1951
   282
        fd_set fdset;
slouken@1951
   283
slouken@1951
   284
        x11_fd = ConnectionNumber(display);
slouken@1951
   285
        FD_ZERO(&fdset);
slouken@1951
   286
        FD_SET(x11_fd, &fdset);
slouken@1951
   287
        if (select(x11_fd + 1, &fdset, NULL, NULL, &zero_time) == 1) {
slouken@1951
   288
            return (XPending(display));
slouken@1951
   289
        }
slouken@1951
   290
    }
slouken@1951
   291
slouken@1951
   292
    /* Oh well, nothing is ready .. */
slouken@1951
   293
    return (0);
slouken@1951
   294
}
slouken@1951
   295
slouken@1951
   296
void
slouken@1951
   297
X11_PumpEvents(_THIS)
slouken@1951
   298
{
slouken@1951
   299
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
slouken@1951
   300
slouken@1951
   301
    /* Keep processing pending events */
slouken@1951
   302
    while (X11_Pending(data->display)) {
slouken@1951
   303
        X11_DispatchEvent(_this);
slouken@1951
   304
    }
slouken@1951
   305
}
slouken@1951
   306
slouken@1951
   307
void
slouken@1951
   308
X11_SaveScreenSaver(Display * display, int *saved_timeout, BOOL * dpms)
slouken@1951
   309
{
slouken@1951
   310
    int timeout, interval, prefer_blank, allow_exp;
slouken@1951
   311
    XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp);
slouken@1951
   312
    *saved_timeout = timeout;
slouken@1951
   313
slouken@1951
   314
#if SDL_VIDEO_DRIVER_X11_DPMS
slouken@1951
   315
    if (SDL_X11_HAVE_DPMS) {
slouken@1951
   316
        int dummy;
slouken@1951
   317
        if (DPMSQueryExtension(display, &dummy, &dummy)) {
slouken@1951
   318
            CARD16 state;
slouken@1951
   319
            DPMSInfo(display, &state, dpms);
slouken@1951
   320
        }
slouken@1951
   321
    }
slouken@1951
   322
#else
slouken@1951
   323
    *dpms = 0;
slouken@1951
   324
#endif /* SDL_VIDEO_DRIVER_X11_DPMS */
slouken@1951
   325
}
slouken@1951
   326
slouken@1951
   327
void
slouken@1951
   328
X11_DisableScreenSaver(Display * display)
slouken@1951
   329
{
slouken@1951
   330
    int timeout, interval, prefer_blank, allow_exp;
slouken@1951
   331
    XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp);
slouken@1951
   332
    timeout = 0;
slouken@1951
   333
    XSetScreenSaver(display, timeout, interval, prefer_blank, allow_exp);
slouken@1951
   334
slouken@1951
   335
#if SDL_VIDEO_DRIVER_X11_DPMS
slouken@1951
   336
    if (SDL_X11_HAVE_DPMS) {
slouken@1951
   337
        int dummy;
slouken@1951
   338
        if (DPMSQueryExtension(display, &dummy, &dummy)) {
slouken@1951
   339
            DPMSDisable(display);
slouken@1951
   340
        }
slouken@1951
   341
    }
slouken@1951
   342
#endif /* SDL_VIDEO_DRIVER_X11_DPMS */
slouken@1951
   343
}
slouken@1951
   344
slouken@1951
   345
void
slouken@1951
   346
X11_RestoreScreenSaver(Display * display, int saved_timeout, BOOL dpms)
slouken@1951
   347
{
slouken@1951
   348
    int timeout, interval, prefer_blank, allow_exp;
slouken@1951
   349
    XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp);
slouken@1951
   350
    timeout = saved_timeout;
slouken@1951
   351
    XSetScreenSaver(display, timeout, interval, prefer_blank, allow_exp);
slouken@1951
   352
slouken@1951
   353
#if SDL_VIDEO_DRIVER_X11_DPMS
slouken@1951
   354
    if (SDL_X11_HAVE_DPMS) {
slouken@1951
   355
        int dummy;
slouken@1951
   356
        if (DPMSQueryExtension(display, &dummy, &dummy)) {
slouken@1951
   357
            if (dpms) {
slouken@1951
   358
                DPMSEnable(display);
slouken@1951
   359
            }
slouken@1951
   360
        }
slouken@1951
   361
    }
slouken@1951
   362
#endif /* SDL_VIDEO_DRIVER_X11_DPMS */
slouken@1951
   363
}
slouken@1951
   364
slouken@1951
   365
/* vi: set ts=4 sw=4 expandtab: */