Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11events.c @ 83:4c8b9babaae4
Oops, don't include debug code
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Tue, 26 Jun 2001 17:41:16 +0000 |
| parents | 2bddc38a9f5d |
| children | 71774090f286 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@devolution.com | |
| 21 */ | |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* Handle the event stream, converting X11 events into SDL events */ | |
| 29 | |
| 30 #include <stdio.h> | |
| 31 #include <stdlib.h> | |
| 32 #include <string.h> | |
| 33 #include <setjmp.h> | |
| 34 #include <X11/Xlib.h> | |
| 35 #include <X11/Xutil.h> | |
| 36 #include <X11/keysym.h> | |
| 37 #ifdef __SVR4 | |
| 38 #include <X11/Sunkeysym.h> | |
| 39 #endif | |
|
75
b0ae59d0f3ee
Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
14
diff
changeset
|
40 #include <sys/types.h> |
| 0 | 41 #include <sys/time.h> |
|
75
b0ae59d0f3ee
Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
14
diff
changeset
|
42 #include <unistd.h> |
| 0 | 43 |
| 44 #include "SDL.h" | |
| 45 #include "SDL_syswm.h" | |
| 46 #include "SDL_sysevents.h" | |
| 47 #include "SDL_sysvideo.h" | |
| 48 #include "SDL_events_c.h" | |
| 49 #include "SDL_x11video.h" | |
| 50 #include "SDL_x11dga_c.h" | |
| 51 #include "SDL_x11modes_c.h" | |
| 52 #include "SDL_x11image_c.h" | |
| 53 #include "SDL_x11gamma_c.h" | |
| 54 #include "SDL_x11wm_c.h" | |
| 55 #include "SDL_x11mouse_c.h" | |
| 56 #include "SDL_x11events_c.h" | |
| 57 | |
| 58 | |
|
14
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
59 /* Define this if you want to debug X11 events */ |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
60 /*#define DEBUG_XEVENTS*/ |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
61 |
| 0 | 62 /* The translation tables from an X11 keysym to a SDL keysym */ |
| 63 static SDLKey ODD_keymap[256]; | |
| 64 static SDLKey MISC_keymap[256]; | |
| 65 SDL_keysym *X11_TranslateKey(Display *display, XKeyEvent *xkey, KeyCode kc, | |
| 66 SDL_keysym *keysym); | |
| 67 | |
| 68 /* Check to see if this is a repeated key. | |
| 69 (idea shamelessly lifted from GII -- thanks guys! :) | |
| 70 */ | |
| 71 static int X11_KeyRepeat(Display *display, XEvent *event) | |
| 72 { | |
| 73 XEvent peekevent; | |
| 74 int repeated; | |
| 75 | |
| 76 repeated = 0; | |
| 77 if ( XPending(display) ) { | |
| 78 XPeekEvent(display, &peekevent); | |
| 79 if ( (peekevent.type == KeyPress) && | |
| 80 (peekevent.xkey.keycode == event->xkey.keycode) && | |
|
12
34d956b20f75
Fix key repeat detection on newer X servers
Sam Lantinga <slouken@lokigames.com>
parents:
8
diff
changeset
|
81 ((peekevent.xkey.time-event->xkey.time) < 2) ) { |
| 0 | 82 repeated = 1; |
| 83 XNextEvent(display, &peekevent); | |
| 84 } | |
| 85 } | |
| 86 return(repeated); | |
| 87 } | |
| 88 | |
| 89 /* Note: The X server buffers and accumulates mouse motion events, so | |
| 90 the motion event generated by the warp may not appear exactly as we | |
| 91 expect it to. We work around this (and improve performance) by only | |
| 92 warping the pointer when it reaches the edge, and then wait for it. | |
| 93 */ | |
| 94 #define MOUSE_FUDGE_FACTOR 8 | |
| 95 | |
| 96 static __inline__ int X11_WarpedMotion(_THIS, XEvent *xevent) | |
| 97 { | |
| 98 int w, h, i; | |
| 99 int deltax, deltay; | |
| 100 int posted; | |
| 101 | |
| 102 w = SDL_VideoSurface->w; | |
| 103 h = SDL_VideoSurface->h; | |
| 104 deltax = xevent->xmotion.x - mouse_last.x; | |
| 105 deltay = xevent->xmotion.y - mouse_last.y; | |
| 106 #ifdef DEBUG_MOTION | |
| 107 printf("Warped mouse motion: %d,%d\n", deltax, deltay); | |
| 108 #endif | |
| 109 mouse_last.x = xevent->xmotion.x; | |
| 110 mouse_last.y = xevent->xmotion.y; | |
| 111 posted = SDL_PrivateMouseMotion(0, 1, deltax, deltay); | |
| 112 | |
| 113 if ( (xevent->xmotion.x < MOUSE_FUDGE_FACTOR) || | |
| 114 (xevent->xmotion.x > (w-MOUSE_FUDGE_FACTOR)) || | |
| 115 (xevent->xmotion.y < MOUSE_FUDGE_FACTOR) || | |
| 116 (xevent->xmotion.y > (h-MOUSE_FUDGE_FACTOR)) ) { | |
| 117 /* Get the events that have accumulated */ | |
| 118 while ( XCheckTypedEvent(SDL_Display, MotionNotify, xevent) ) { | |
| 119 deltax = xevent->xmotion.x - mouse_last.x; | |
| 120 deltay = xevent->xmotion.y - mouse_last.y; | |
| 121 #ifdef DEBUG_MOTION | |
| 122 printf("Extra mouse motion: %d,%d\n", deltax, deltay); | |
| 123 #endif | |
| 124 mouse_last.x = xevent->xmotion.x; | |
| 125 mouse_last.y = xevent->xmotion.y; | |
| 126 posted += SDL_PrivateMouseMotion(0, 1, deltax, deltay); | |
| 127 } | |
| 128 mouse_last.x = w/2; | |
| 129 mouse_last.y = h/2; | |
| 130 XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, | |
| 131 mouse_last.x, mouse_last.y); | |
| 132 for ( i=0; i<10; ++i ) { | |
| 133 XMaskEvent(SDL_Display, PointerMotionMask, xevent); | |
| 134 if ( (xevent->xmotion.x > | |
| 135 (mouse_last.x-MOUSE_FUDGE_FACTOR)) && | |
| 136 (xevent->xmotion.x < | |
| 137 (mouse_last.x+MOUSE_FUDGE_FACTOR)) && | |
| 138 (xevent->xmotion.y > | |
| 139 (mouse_last.y-MOUSE_FUDGE_FACTOR)) && | |
| 140 (xevent->xmotion.y < | |
| 141 (mouse_last.y+MOUSE_FUDGE_FACTOR)) ) { | |
| 142 break; | |
| 143 } | |
| 144 #ifdef DEBUG_XEVENTS | |
| 145 printf("Lost mouse motion: %d,%d\n", xevent->xmotion.x, xevent->xmotion.y); | |
| 146 #endif | |
| 147 } | |
| 148 #ifdef DEBUG_XEVENTS | |
| 149 if ( i == 10 ) { | |
| 150 printf("Warning: didn't detect mouse warp motion\n"); | |
| 151 } | |
| 152 #endif | |
| 153 } | |
| 154 return(posted); | |
| 155 } | |
| 156 | |
| 157 static int X11_DispatchEvent(_THIS) | |
| 158 { | |
| 159 int posted; | |
| 160 XEvent xevent; | |
| 161 | |
| 162 XNextEvent(SDL_Display, &xevent); | |
| 163 | |
| 164 posted = 0; | |
| 165 switch (xevent.type) { | |
| 166 | |
| 167 /* Gaining mouse coverage? */ | |
| 168 case EnterNotify: { | |
| 169 #ifdef DEBUG_XEVENTS | |
|
82
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
170 printf("EnterNotify! (%d,%d)\n", xevent.xcrossing.x, xevent.xcrossing.y); |
| 0 | 171 if ( xevent.xcrossing.mode == NotifyGrab ) |
| 172 printf("Mode: NotifyGrab\n"); | |
| 173 if ( xevent.xcrossing.mode == NotifyUngrab ) | |
| 174 printf("Mode: NotifyUngrab\n"); | |
| 175 #endif | |
| 176 if ( (xevent.xcrossing.mode != NotifyGrab) && | |
| 177 (xevent.xcrossing.mode != NotifyUngrab) ) { | |
|
82
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
178 if ( this->input_grab == SDL_GRAB_OFF ) { |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
179 posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
180 } else { |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
181 posted = SDL_PrivateMouseMotion(0, 0, |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
182 xevent.xcrossing.x, |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
183 xevent.xcrossing.y); |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
184 } |
| 0 | 185 } |
| 186 } | |
| 187 break; | |
| 188 | |
| 189 /* Losing mouse coverage? */ | |
| 190 case LeaveNotify: { | |
| 191 #ifdef DEBUG_XEVENTS | |
|
82
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
192 printf("LeaveNotify! (%d,%d)\n", xevent.xcrossing.x, xevent.xcrossing.y); |
| 0 | 193 if ( xevent.xcrossing.mode == NotifyGrab ) |
| 194 printf("Mode: NotifyGrab\n"); | |
| 195 if ( xevent.xcrossing.mode == NotifyUngrab ) | |
| 196 printf("Mode: NotifyUngrab\n"); | |
| 197 #endif | |
| 198 if ( (xevent.xcrossing.mode != NotifyGrab) && | |
| 199 (xevent.xcrossing.mode != NotifyUngrab) ) { | |
|
82
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
200 if ( this->input_grab == SDL_GRAB_OFF ) { |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
201 posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
202 } else { |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
203 posted = SDL_PrivateMouseMotion(0, 0, |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
204 xevent.xcrossing.x, |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
205 xevent.xcrossing.y); |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
206 } |
| 0 | 207 } |
| 208 } | |
| 209 break; | |
| 210 | |
| 211 /* Gaining input focus? */ | |
| 212 case FocusIn: { | |
| 213 #ifdef DEBUG_XEVENTS | |
| 214 printf("FocusIn!\n"); | |
| 215 #endif | |
| 216 posted = SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); | |
| 217 | |
| 218 /* Queue entry into fullscreen mode */ | |
| 219 switch_waiting = 0x01 | SDL_FULLSCREEN; | |
| 220 switch_time = SDL_GetTicks() + 1500; | |
| 221 } | |
| 222 break; | |
| 223 | |
| 224 /* Losing input focus? */ | |
| 225 case FocusOut: { | |
| 226 #ifdef DEBUG_XEVENTS | |
| 227 printf("FocusOut!\n"); | |
| 228 #endif | |
| 229 posted = SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS); | |
| 230 | |
| 231 /* Queue leaving fullscreen mode */ | |
| 232 switch_waiting = 0x01; | |
| 233 switch_time = SDL_GetTicks() + 200; | |
| 234 } | |
| 235 break; | |
| 236 | |
| 237 /* Generated upon EnterWindow and FocusIn */ | |
| 238 case KeymapNotify: { | |
|
14
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
239 #ifdef DEBUG_XEVENTS |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
240 printf("KeymapNotify!\n"); |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
241 #endif |
| 0 | 242 X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector); |
| 243 } | |
| 244 break; | |
| 245 | |
| 246 /* Mouse motion? */ | |
| 247 case MotionNotify: { | |
| 248 if ( SDL_VideoSurface ) { | |
| 249 if ( mouse_relative ) { | |
| 250 if ( using_dga & DGA_MOUSE ) { | |
| 251 #ifdef DEBUG_MOTION | |
| 252 printf("DGA motion: %d,%d\n", xevent.xmotion.x_root, xevent.xmotion.y_root); | |
| 253 #endif | |
| 254 posted = SDL_PrivateMouseMotion(0, 1, | |
| 255 xevent.xmotion.x_root, | |
| 256 xevent.xmotion.y_root); | |
| 257 } else { | |
| 258 posted = X11_WarpedMotion(this,&xevent); | |
| 259 } | |
| 260 } else { | |
|
82
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
261 #ifdef DEBUG_MOTION |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
262 printf("X11 motion: %d,%d\n", xevent.xmotion.x, xevent.xmotion.y); |
|
2bddc38a9f5d
When the mouse is grabbed, send the application the motion associated with
Sam Lantinga <slouken@lokigames.com>
parents:
75
diff
changeset
|
263 #endif |
| 0 | 264 posted = SDL_PrivateMouseMotion(0, 0, |
| 265 xevent.xmotion.x, | |
| 266 xevent.xmotion.y); | |
| 267 } | |
| 268 } | |
| 269 } | |
| 270 break; | |
| 271 | |
| 272 /* Mouse button press? */ | |
| 273 case ButtonPress: { | |
| 274 posted = SDL_PrivateMouseButton(SDL_PRESSED, | |
| 275 xevent.xbutton.button, 0, 0); | |
| 276 } | |
| 277 break; | |
| 278 | |
| 279 /* Mouse button release? */ | |
| 280 case ButtonRelease: { | |
| 281 posted = SDL_PrivateMouseButton(SDL_RELEASED, | |
| 282 xevent.xbutton.button, 0, 0); | |
| 283 } | |
| 284 break; | |
| 285 | |
| 286 /* Key press? */ | |
| 287 case KeyPress: { | |
| 288 SDL_keysym keysym; | |
|
14
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
289 |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
290 #ifdef DEBUG_XEVENTS |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
291 printf("KeyPress (X11 keycode = 0x%X)\n", xevent.xkey.keycode); |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
292 #endif |
| 0 | 293 posted = SDL_PrivateKeyboard(SDL_PRESSED, |
| 294 X11_TranslateKey(SDL_Display, &xevent.xkey, | |
| 295 xevent.xkey.keycode, | |
| 296 &keysym)); | |
| 297 } | |
| 298 break; | |
| 299 | |
| 300 /* Key release? */ | |
| 301 case KeyRelease: { | |
| 302 SDL_keysym keysym; | |
| 303 | |
|
14
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
304 #ifdef DEBUG_XEVENTS |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
305 printf("KeyRelease (X11 keycode = 0x%X)\n", xevent.xkey.keycode); |
|
c3e9d4a623c1
Fixed stuck keys when changing the video mode
Sam Lantinga <slouken@lokigames.com>
parents:
12
diff
changeset
|
306 #endif |
| 0 | 307 /* Check to see if this is a repeated key */ |
| 308 if ( ! X11_KeyRepeat(SDL_Display, &xevent) ) { | |
| 309 posted = SDL_PrivateKeyboard(SDL_RELEASED, | |
| 310 X11_TranslateKey(SDL_Display, &xevent.xkey, | |
| 311 xevent.xkey.keycode, | |
| 312 &keysym)); | |
| 313 } | |
| 314 } | |
| 315 break; | |
| 316 | |
| 317 /* Have we been iconified? */ | |
| 318 case UnmapNotify: { | |
| 319 #ifdef DEBUG_XEVENTS | |
| 320 printf("UnmapNotify!\n"); | |
| 321 #endif | |
| 322 /* If we're active, make ourselves inactive */ | |
| 323 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 324 /* Swap out the gamma before we go inactive */ | |
| 325 X11_SwapVidModeGamma(this); | |
| 326 | |
| 327 /* Send an internal deactivate event */ | |
| 328 posted = SDL_PrivateAppActive(0, | |
| 329 SDL_APPACTIVE|SDL_APPINPUTFOCUS); | |
| 330 } | |
| 331 } | |
| 332 break; | |
| 333 | |
| 334 /* Have we been restored? */ | |
| 335 case MapNotify: { | |
| 336 #ifdef DEBUG_XEVENTS | |
| 337 printf("MapNotify!\n"); | |
| 338 #endif | |
| 339 /* If we're not active, make ourselves active */ | |
| 340 if ( !(SDL_GetAppState() & SDL_APPACTIVE) ) { | |
| 341 /* Send an internal activate event */ | |
| 342 posted = SDL_PrivateAppActive(1, SDL_APPACTIVE); | |
| 343 | |
| 344 /* Now that we're active, swap the gamma back */ | |
| 345 X11_SwapVidModeGamma(this); | |
| 346 } | |
| 347 | |
| 348 if ( SDL_VideoSurface && | |
| 349 (SDL_VideoSurface->flags & SDL_FULLSCREEN) ) { | |
| 350 #ifdef GRAB_FULLSCREEN | |
| 351 X11_EnterFullScreen(this); | |
| 352 #else | |
| 353 /* Queue entry into fullscreen mode */ | |
| 354 switch_waiting = 0x01 | SDL_FULLSCREEN; | |
| 355 switch_time = SDL_GetTicks() + 1500; | |
| 356 #endif | |
| 357 } else { | |
| 358 X11_GrabInputNoLock(this, this->input_grab); | |
| 359 } | |
|
8
5574376c451d
Fixed relative motion checking after restore under X11
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
360 X11_CheckMouseModeNoLock(this); |
|
5574376c451d
Fixed relative motion checking after restore under X11
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
361 |
| 0 | 362 if ( SDL_VideoSurface ) { |
| 363 X11_RefreshDisplay(this); | |
| 364 } | |
| 365 } | |
| 366 break; | |
| 367 | |
| 368 /* Have we been resized or moved? */ | |
| 369 case ConfigureNotify: { | |
| 370 #ifdef DEBUG_XEVENTS | |
| 371 printf("ConfigureNotify! (resize: %dx%d)\n", xevent.xconfigure.width, xevent.xconfigure.height); | |
| 372 #endif | |
| 373 if ( SDL_VideoSurface ) { | |
| 374 if ((xevent.xconfigure.width != SDL_VideoSurface->w) || | |
| 375 (xevent.xconfigure.height != SDL_VideoSurface->h)) { | |
| 376 /* FIXME: Find a better fix for the bug with KDE 1.2 */ | |
| 377 if ( ! ((xevent.xconfigure.width == 32) && | |
| 378 (xevent.xconfigure.height == 32)) ) { | |
| 379 SDL_PrivateResize(xevent.xconfigure.width, | |
| 380 xevent.xconfigure.height); | |
| 381 } | |
| 382 } else { | |
| 383 /* OpenGL windows need to know about the change */ | |
| 384 if ( SDL_VideoSurface->flags & SDL_OPENGL ) { | |
| 385 SDL_PrivateExpose(); | |
| 386 } | |
| 387 } | |
| 388 } | |
| 389 } | |
| 390 break; | |
| 391 | |
| 392 /* Have we been requested to quit (or another client message?) */ | |
| 393 case ClientMessage: { | |
| 394 if ( (xevent.xclient.format == 32) && | |
| 395 (xevent.xclient.data.l[0] == WM_DELETE_WINDOW) ) | |
| 396 { | |
| 397 posted = SDL_PrivateQuit(); | |
| 398 } else | |
| 399 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { | |
| 400 SDL_SysWMmsg wmmsg; | |
| 401 | |
| 402 SDL_VERSION(&wmmsg.version); | |
| 403 wmmsg.subsystem = SDL_SYSWM_X11; | |
| 404 wmmsg.event.xevent = xevent; | |
| 405 posted = SDL_PrivateSysWMEvent(&wmmsg); | |
| 406 } | |
| 407 } | |
| 408 break; | |
| 409 | |
| 410 /* Do we need to refresh ourselves? */ | |
| 411 case Expose: { | |
| 412 #ifdef DEBUG_XEVENTS | |
| 413 printf("Expose (count = %d)\n", xevent.xexpose.count); | |
| 414 #endif | |
| 415 if ( SDL_VideoSurface && (xevent.xexpose.count == 0) ) { | |
| 416 if ( SDL_VideoSurface->flags & SDL_OPENGL ) { | |
| 417 SDL_PrivateExpose(); | |
| 418 } else { | |
| 419 X11_RefreshDisplay(this); | |
| 420 } | |
| 421 } | |
| 422 } | |
| 423 break; | |
| 424 | |
| 425 default: { | |
| 426 #ifdef DEBUG_XEVENTS | |
| 427 printf("Unhandled event %d\n", xevent.type); | |
| 428 #endif | |
| 429 /* Only post the event if we're watching for it */ | |
| 430 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { | |
| 431 SDL_SysWMmsg wmmsg; | |
| 432 | |
| 433 SDL_VERSION(&wmmsg.version); | |
| 434 wmmsg.subsystem = SDL_SYSWM_X11; | |
| 435 wmmsg.event.xevent = xevent; | |
| 436 posted = SDL_PrivateSysWMEvent(&wmmsg); | |
| 437 } | |
| 438 } | |
| 439 break; | |
| 440 } | |
| 441 return(posted); | |
| 442 } | |
| 443 | |
| 444 /* Ack! XPending() actually performs a blocking read if no events available */ | |
| 445 int X11_Pending(Display *display) | |
| 446 { | |
| 447 /* Flush the display connection and look to see if events are queued */ | |
| 448 XFlush(display); | |
| 449 if ( XEventsQueued(display, QueuedAlready) ) { | |
| 450 return(1); | |
| 451 } | |
| 452 | |
| 453 /* More drastic measures are required -- see if X is ready to talk */ | |
| 454 { | |
| 455 static struct timeval zero_time; /* static == 0 */ | |
| 456 int x11_fd; | |
| 457 fd_set fdset; | |
| 458 | |
| 459 x11_fd = ConnectionNumber(display); | |
| 460 FD_ZERO(&fdset); | |
| 461 FD_SET(x11_fd, &fdset); | |
| 462 if ( select(x11_fd+1, &fdset, NULL, NULL, &zero_time) == 1 ) { | |
| 463 return(XPending(display)); | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 /* Oh well, nothing is ready .. */ | |
| 468 return(0); | |
| 469 } | |
| 470 | |
| 471 void X11_PumpEvents(_THIS) | |
| 472 { | |
| 473 int pending; | |
| 474 | |
| 475 /* Keep processing pending events */ | |
| 476 pending = 0; | |
| 477 while ( X11_Pending(SDL_Display) ) { | |
| 478 X11_DispatchEvent(this); | |
| 479 ++pending; | |
| 480 } | |
| 481 if ( switch_waiting ) { | |
| 482 Uint32 now; | |
| 483 | |
| 484 now = SDL_GetTicks(); | |
| 485 if ( pending || !SDL_VideoSurface ) { | |
| 486 /* Try again later... */ | |
| 487 if ( switch_waiting & SDL_FULLSCREEN ) { | |
| 488 switch_time = now + 1500; | |
| 489 } else { | |
| 490 switch_time = now + 200; | |
| 491 } | |
| 492 } else if ( now >= switch_time ) { | |
| 493 Uint32 go_fullscreen; | |
| 494 | |
| 495 go_fullscreen = switch_waiting & SDL_FULLSCREEN; | |
| 496 switch_waiting = 0; | |
| 497 if ( SDL_VideoSurface->flags & SDL_FULLSCREEN ) { | |
| 498 if ( go_fullscreen ) { | |
| 499 X11_EnterFullScreen(this); | |
| 500 } else { | |
| 501 X11_LeaveFullScreen(this); | |
| 502 } | |
| 503 } | |
| 504 /* Handle focus in/out when grabbed */ | |
| 505 if ( go_fullscreen ) { | |
| 506 X11_GrabInputNoLock(this, this->input_grab); | |
| 507 } else { | |
| 508 X11_GrabInputNoLock(this, SDL_GRAB_OFF); | |
| 509 } | |
| 510 X11_CheckMouseModeNoLock(this); | |
| 511 } | |
| 512 } | |
| 513 } | |
| 514 | |
| 515 void X11_InitKeymap(void) | |
| 516 { | |
| 517 int i; | |
| 518 | |
| 519 /* Odd keys used in international keyboards */ | |
| 520 for ( i=0; i<SDL_TABLESIZE(ODD_keymap); ++i ) | |
| 521 ODD_keymap[i] = SDLK_UNKNOWN; | |
| 522 | |
| 523 #ifdef XK_dead_circumflex | |
| 524 /* These X keysyms have 0xFE as the high byte */ | |
| 525 ODD_keymap[XK_dead_circumflex&0xFF] = SDLK_CARET; | |
| 526 #endif | |
| 527 | |
| 528 /* Map the miscellaneous keys */ | |
| 529 for ( i=0; i<SDL_TABLESIZE(MISC_keymap); ++i ) | |
| 530 MISC_keymap[i] = SDLK_UNKNOWN; | |
| 531 | |
| 532 /* These X keysyms have 0xFF as the high byte */ | |
| 533 MISC_keymap[XK_BackSpace&0xFF] = SDLK_BACKSPACE; | |
| 534 MISC_keymap[XK_Tab&0xFF] = SDLK_TAB; | |
| 535 MISC_keymap[XK_Clear&0xFF] = SDLK_CLEAR; | |
| 536 MISC_keymap[XK_Return&0xFF] = SDLK_RETURN; | |
| 537 MISC_keymap[XK_Pause&0xFF] = SDLK_PAUSE; | |
| 538 MISC_keymap[XK_Escape&0xFF] = SDLK_ESCAPE; | |
| 539 MISC_keymap[XK_Delete&0xFF] = SDLK_DELETE; | |
| 540 | |
| 541 MISC_keymap[XK_KP_0&0xFF] = SDLK_KP0; /* Keypad 0-9 */ | |
| 542 MISC_keymap[XK_KP_1&0xFF] = SDLK_KP1; | |
| 543 MISC_keymap[XK_KP_2&0xFF] = SDLK_KP2; | |
| 544 MISC_keymap[XK_KP_3&0xFF] = SDLK_KP3; | |
| 545 MISC_keymap[XK_KP_4&0xFF] = SDLK_KP4; | |
| 546 MISC_keymap[XK_KP_5&0xFF] = SDLK_KP5; | |
| 547 MISC_keymap[XK_KP_6&0xFF] = SDLK_KP6; | |
| 548 MISC_keymap[XK_KP_7&0xFF] = SDLK_KP7; | |
| 549 MISC_keymap[XK_KP_8&0xFF] = SDLK_KP8; | |
| 550 MISC_keymap[XK_KP_9&0xFF] = SDLK_KP9; | |
| 551 MISC_keymap[XK_KP_Insert&0xFF] = SDLK_KP0; | |
| 552 MISC_keymap[XK_KP_End&0xFF] = SDLK_KP1; | |
| 553 MISC_keymap[XK_KP_Down&0xFF] = SDLK_KP2; | |
| 554 MISC_keymap[XK_KP_Page_Down&0xFF] = SDLK_KP3; | |
| 555 MISC_keymap[XK_KP_Left&0xFF] = SDLK_KP4; | |
| 556 MISC_keymap[XK_KP_Begin&0xFF] = SDLK_KP5; | |
| 557 MISC_keymap[XK_KP_Right&0xFF] = SDLK_KP6; | |
| 558 MISC_keymap[XK_KP_Home&0xFF] = SDLK_KP7; | |
| 559 MISC_keymap[XK_KP_Up&0xFF] = SDLK_KP8; | |
| 560 MISC_keymap[XK_KP_Page_Up&0xFF] = SDLK_KP9; | |
| 561 MISC_keymap[XK_KP_Delete&0xFF] = SDLK_KP_PERIOD; | |
| 562 MISC_keymap[XK_KP_Decimal&0xFF] = SDLK_KP_PERIOD; | |
| 563 MISC_keymap[XK_KP_Divide&0xFF] = SDLK_KP_DIVIDE; | |
| 564 MISC_keymap[XK_KP_Multiply&0xFF] = SDLK_KP_MULTIPLY; | |
| 565 MISC_keymap[XK_KP_Subtract&0xFF] = SDLK_KP_MINUS; | |
| 566 MISC_keymap[XK_KP_Add&0xFF] = SDLK_KP_PLUS; | |
| 567 MISC_keymap[XK_KP_Enter&0xFF] = SDLK_KP_ENTER; | |
| 568 MISC_keymap[XK_KP_Equal&0xFF] = SDLK_KP_EQUALS; | |
| 569 | |
| 570 MISC_keymap[XK_Up&0xFF] = SDLK_UP; | |
| 571 MISC_keymap[XK_Down&0xFF] = SDLK_DOWN; | |
| 572 MISC_keymap[XK_Right&0xFF] = SDLK_RIGHT; | |
| 573 MISC_keymap[XK_Left&0xFF] = SDLK_LEFT; | |
| 574 MISC_keymap[XK_Insert&0xFF] = SDLK_INSERT; | |
| 575 MISC_keymap[XK_Home&0xFF] = SDLK_HOME; | |
| 576 MISC_keymap[XK_End&0xFF] = SDLK_END; | |
| 577 MISC_keymap[XK_Page_Up&0xFF] = SDLK_PAGEUP; | |
| 578 MISC_keymap[XK_Page_Down&0xFF] = SDLK_PAGEDOWN; | |
| 579 | |
| 580 MISC_keymap[XK_F1&0xFF] = SDLK_F1; | |
| 581 MISC_keymap[XK_F2&0xFF] = SDLK_F2; | |
| 582 MISC_keymap[XK_F3&0xFF] = SDLK_F3; | |
| 583 MISC_keymap[XK_F4&0xFF] = SDLK_F4; | |
| 584 MISC_keymap[XK_F5&0xFF] = SDLK_F5; | |
| 585 MISC_keymap[XK_F6&0xFF] = SDLK_F6; | |
| 586 MISC_keymap[XK_F7&0xFF] = SDLK_F7; | |
| 587 MISC_keymap[XK_F8&0xFF] = SDLK_F8; | |
| 588 MISC_keymap[XK_F9&0xFF] = SDLK_F9; | |
| 589 MISC_keymap[XK_F10&0xFF] = SDLK_F10; | |
| 590 MISC_keymap[XK_F11&0xFF] = SDLK_F11; | |
| 591 MISC_keymap[XK_F12&0xFF] = SDLK_F12; | |
| 592 MISC_keymap[XK_F13&0xFF] = SDLK_F13; | |
| 593 MISC_keymap[XK_F14&0xFF] = SDLK_F14; | |
| 594 MISC_keymap[XK_F15&0xFF] = SDLK_F15; | |
| 595 | |
| 596 MISC_keymap[XK_Num_Lock&0xFF] = SDLK_NUMLOCK; | |
| 597 MISC_keymap[XK_Caps_Lock&0xFF] = SDLK_CAPSLOCK; | |
| 598 MISC_keymap[XK_Scroll_Lock&0xFF] = SDLK_SCROLLOCK; | |
| 599 MISC_keymap[XK_Shift_R&0xFF] = SDLK_RSHIFT; | |
| 600 MISC_keymap[XK_Shift_L&0xFF] = SDLK_LSHIFT; | |
| 601 MISC_keymap[XK_Control_R&0xFF] = SDLK_RCTRL; | |
| 602 MISC_keymap[XK_Control_L&0xFF] = SDLK_LCTRL; | |
| 603 MISC_keymap[XK_Alt_R&0xFF] = SDLK_RALT; | |
| 604 MISC_keymap[XK_Alt_L&0xFF] = SDLK_LALT; | |
| 605 MISC_keymap[XK_Meta_R&0xFF] = SDLK_RMETA; | |
| 606 MISC_keymap[XK_Meta_L&0xFF] = SDLK_LMETA; | |
| 607 MISC_keymap[XK_Super_L&0xFF] = SDLK_LSUPER; /* Left "Windows" */ | |
| 608 MISC_keymap[XK_Super_R&0xFF] = SDLK_RSUPER; /* Right "Windows */ | |
| 609 MISC_keymap[XK_Mode_switch&0xFF] = SDLK_MODE; /* "Alt Gr" key */ | |
| 610 MISC_keymap[XK_Multi_key&0xFF] = SDLK_COMPOSE; /* Multi-key compose */ | |
| 611 | |
| 612 MISC_keymap[XK_Help&0xFF] = SDLK_HELP; | |
| 613 MISC_keymap[XK_Print&0xFF] = SDLK_PRINT; | |
| 614 MISC_keymap[XK_Sys_Req&0xFF] = SDLK_SYSREQ; | |
| 615 MISC_keymap[XK_Break&0xFF] = SDLK_BREAK; | |
| 616 MISC_keymap[XK_Menu&0xFF] = SDLK_MENU; | |
| 617 MISC_keymap[XK_Hyper_R&0xFF] = SDLK_MENU; /* Windows "Menu" key */ | |
| 618 } | |
| 619 | |
| 620 SDL_keysym *X11_TranslateKey(Display *display, XKeyEvent *xkey, KeyCode kc, | |
| 621 SDL_keysym *keysym) | |
| 622 { | |
| 623 KeySym xsym; | |
| 624 | |
| 625 /* Get the raw keyboard scancode */ | |
| 626 keysym->scancode = kc; | |
| 627 xsym = XKeycodeToKeysym(display, kc, 0); | |
| 628 #ifdef DEBUG_KEYS | |
| 629 fprintf(stderr, "Translating key 0x%.4x (%d)\n", xsym, kc); | |
| 630 #endif | |
| 631 /* Get the translated SDL virtual keysym */ | |
| 632 keysym->sym = SDLK_UNKNOWN; | |
| 633 if ( xsym ) { | |
| 634 switch (xsym>>8) { | |
| 635 case 0x1005FF: | |
| 636 #ifdef SunXK_F36 | |
| 637 if ( xsym == SunXK_F36 ) | |
| 638 keysym->sym = SDLK_F11; | |
| 639 #endif | |
| 640 #ifdef SunXK_F37 | |
| 641 if ( xsym == SunXK_F37 ) | |
| 642 keysym->sym = SDLK_F12; | |
| 643 #endif | |
| 644 break; | |
| 645 case 0x00: /* Latin 1 */ | |
| 646 case 0x01: /* Latin 2 */ | |
| 647 case 0x02: /* Latin 3 */ | |
| 648 case 0x03: /* Latin 4 */ | |
| 649 case 0x04: /* Katakana */ | |
| 650 case 0x05: /* Arabic */ | |
| 651 case 0x06: /* Cyrillic */ | |
| 652 case 0x07: /* Greek */ | |
| 653 case 0x08: /* Technical */ | |
| 654 case 0x0A: /* Publishing */ | |
| 655 case 0x0C: /* Hebrew */ | |
| 656 case 0x0D: /* Thai */ | |
| 657 keysym->sym = (SDLKey)(xsym&0xFF); | |
| 658 /* Map capital letter syms to lowercase */ | |
| 659 if ((keysym->sym >= 'A')&&(keysym->sym <= 'Z')) | |
| 660 keysym->sym += ('a'-'A'); | |
| 661 break; | |
| 662 case 0xFE: | |
| 663 keysym->sym = ODD_keymap[xsym&0xFF]; | |
| 664 break; | |
| 665 case 0xFF: | |
| 666 keysym->sym = MISC_keymap[xsym&0xFF]; | |
| 667 break; | |
| 668 default: | |
| 669 fprintf(stderr, | |
| 670 "X11: Unknown xsym, sym = 0x%04x\n", | |
| 671 (unsigned int)xsym); | |
| 672 break; | |
| 673 } | |
| 674 } else { | |
| 675 /* X11 doesn't know how to translate the key! */ | |
| 676 switch (kc) { | |
| 677 /* Caution: | |
| 678 These keycodes are from the Microsoft Keyboard | |
| 679 */ | |
| 680 case 115: | |
| 681 keysym->sym = SDLK_LSUPER; | |
| 682 break; | |
| 683 case 116: | |
| 684 keysym->sym = SDLK_RSUPER; | |
| 685 break; | |
| 686 case 117: | |
| 687 keysym->sym = SDLK_MENU; | |
| 688 break; | |
| 689 default: | |
| 690 /* | |
| 691 * no point in an error message; happens for | |
| 692 * several keys when we get a keymap notify | |
| 693 */ | |
| 694 break; | |
| 695 } | |
| 696 } | |
| 697 keysym->mod = KMOD_NONE; | |
| 698 | |
| 699 /* If UNICODE is on, get the UNICODE value for the key */ | |
| 700 keysym->unicode = 0; | |
| 701 if ( SDL_TranslateUNICODE && xkey ) { | |
| 702 static XComposeStatus state; | |
| 703 /* Until we handle the IM protocol, use XLookupString() */ | |
| 704 unsigned char keybuf[32]; | |
| 705 | |
| 706 #define BROKEN_XFREE86_INTERNATIONAL_KBD | |
| 707 /* This appears to be a magical flag that is used with AltGr on | |
| 708 international keyboards to signal alternate key translations. | |
| 709 The flag doesn't show up when in fullscreen mode (?) | |
| 710 FIXME: Check to see if this code is safe for other servers. | |
| 711 */ | |
| 712 #ifdef BROKEN_XFREE86_INTERNATIONAL_KBD | |
| 713 /* Work around what appears to be a bug in XFree86 */ | |
| 714 if ( SDL_GetModState() & KMOD_MODE ) { | |
| 715 xkey->state |= (1<<13); | |
| 716 } | |
| 717 #endif | |
| 718 /* Look up the translated value for the key event */ | |
| 719 if ( XLookupString(xkey, (char *)keybuf, sizeof(keybuf), | |
| 720 NULL, &state) ) { | |
| 721 /* | |
| 722 * FIXME,: XLookupString() may yield more than one | |
| 723 * character, so we need a mechanism to allow for | |
| 724 * this (perhaps generate null keypress events with | |
| 725 * a unicode value) | |
| 726 */ | |
| 727 keysym->unicode = keybuf[0]; | |
| 728 } | |
| 729 } | |
| 730 return(keysym); | |
| 731 } | |
| 732 | |
| 733 /* X11 modifier masks for various keys */ | |
| 734 static unsigned meta_l_mask, meta_r_mask, alt_l_mask, alt_r_mask; | |
| 735 static unsigned num_mask, mode_switch_mask; | |
| 736 | |
| 737 static void get_modifier_masks(Display *display) | |
| 738 { | |
| 739 static unsigned got_masks; | |
| 740 int i, j; | |
| 741 XModifierKeymap *xmods; | |
| 742 unsigned n; | |
| 743 | |
| 744 if(got_masks) | |
| 745 return; | |
| 746 | |
| 747 xmods = XGetModifierMapping(display); | |
| 748 n = xmods->max_keypermod; | |
| 749 for(i = 3; i < 8; i++) { | |
| 750 for(j = 0; j < n; j++) { | |
| 751 KeyCode kc = xmods->modifiermap[i * n + j]; | |
| 752 KeySym ks = XKeycodeToKeysym(display, kc, 0); | |
| 753 unsigned mask = 1 << i; | |
| 754 switch(ks) { | |
| 755 case XK_Num_Lock: | |
| 756 num_mask = mask; break; | |
| 757 case XK_Alt_L: | |
| 758 alt_l_mask = mask; break; | |
| 759 case XK_Alt_R: | |
| 760 alt_r_mask = mask; break; | |
| 761 case XK_Meta_L: | |
| 762 meta_l_mask = mask; break; | |
| 763 case XK_Meta_R: | |
| 764 meta_r_mask = mask; break; | |
| 765 case XK_Mode_switch: | |
| 766 mode_switch_mask = mask; break; | |
| 767 } | |
| 768 } | |
| 769 } | |
| 770 XFreeModifiermap(xmods); | |
| 771 got_masks = 1; | |
| 772 } | |
| 773 | |
| 774 | |
| 775 /* | |
| 776 * This function is semi-official; it is not officially exported and should | |
| 777 * not be considered part of the SDL API, but may be used by client code | |
| 778 * that *really* needs it (including legacy code). | |
| 779 * It is slow, though, and should be avoided if possible. | |
| 780 * | |
| 781 * Note that it isn't completely accurate either; in particular, multi-key | |
| 782 * sequences (dead accents, compose key sequences) will not work since the | |
| 783 * state has been irrevocably lost. | |
| 784 */ | |
| 785 Uint16 X11_KeyToUnicode(SDLKey keysym, SDLMod modifiers) | |
| 786 { | |
| 787 struct SDL_VideoDevice *this = current_video; | |
| 788 char keybuf[32]; | |
| 789 int i; | |
| 790 KeySym xsym = 0; | |
| 791 XKeyEvent xkey; | |
| 792 Uint16 unicode; | |
| 793 | |
| 794 if ( !this || !SDL_Display ) { | |
| 795 return 0; | |
| 796 } | |
| 797 | |
| 798 memset(&xkey, 0, sizeof(xkey)); | |
| 799 xkey.display = SDL_Display; | |
| 800 | |
| 801 xsym = keysym; /* last resort if not found */ | |
| 802 for (i = 0; i < 256; ++i) { | |
| 803 if ( MISC_keymap[i] == keysym ) { | |
| 804 xsym = 0xFF00 | i; | |
| 805 break; | |
| 806 } else if ( ODD_keymap[i] == keysym ) { | |
| 807 xsym = 0xFE00 | i; | |
| 808 break; | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 xkey.keycode = XKeysymToKeycode(xkey.display, xsym); | |
| 813 | |
| 814 get_modifier_masks(SDL_Display); | |
| 815 if(modifiers & KMOD_SHIFT) | |
| 816 xkey.state |= ShiftMask; | |
| 817 if(modifiers & KMOD_CAPS) | |
| 818 xkey.state |= LockMask; | |
| 819 if(modifiers & KMOD_CTRL) | |
| 820 xkey.state |= ControlMask; | |
| 821 if(modifiers & KMOD_MODE) | |
| 822 xkey.state |= mode_switch_mask; | |
| 823 if(modifiers & KMOD_LALT) | |
| 824 xkey.state |= alt_l_mask; | |
| 825 if(modifiers & KMOD_RALT) | |
| 826 xkey.state |= alt_r_mask; | |
| 827 if(modifiers & KMOD_LMETA) | |
| 828 xkey.state |= meta_l_mask; | |
| 829 if(modifiers & KMOD_RMETA) | |
| 830 xkey.state |= meta_r_mask; | |
| 831 if(modifiers & KMOD_NUM) | |
| 832 xkey.state |= num_mask; | |
| 833 | |
| 834 unicode = 0; | |
| 835 if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, NULL) ) | |
| 836 unicode = (unsigned char)keybuf[0]; | |
| 837 return(unicode); | |
| 838 } | |
| 839 | |
| 840 /* | |
| 841 * Called when focus is regained, to read the keyboard state and generate | |
| 842 * synthetic keypress/release events. | |
| 843 * key_vec is a bit vector of keycodes (256 bits) | |
| 844 */ | |
| 845 void X11_SetKeyboardState(Display *display, const char *key_vec) | |
| 846 { | |
| 847 char keys_return[32]; | |
| 848 int i, gen_event; | |
| 849 KeyCode xcode[SDLK_LAST]; | |
| 850 Uint8 new_kstate[SDLK_LAST]; | |
| 851 Uint8 *kstate = SDL_GetKeyState(NULL); | |
| 852 | |
| 853 /* The first time the window is mapped, we initialize key state */ | |
| 854 if ( ! key_vec ) { | |
| 855 key_vec = keys_return; | |
| 856 XQueryKeymap(display, keys_return); | |
| 857 gen_event = 0; | |
| 858 } else { | |
| 859 gen_event = 1; | |
| 860 } | |
| 861 | |
| 862 /* Zero the new state and generate it */ | |
| 863 memset(new_kstate, 0, sizeof(new_kstate)); | |
| 864 /* | |
| 865 * An obvious optimisation is to check entire longwords at a time in | |
| 866 * both loops, but we can't be sure the arrays are aligned so it's not | |
| 867 * worth the extra complexity | |
| 868 */ | |
| 869 for(i = 0; i < 32; i++) { | |
| 870 int j; | |
| 871 if(!key_vec[i]) | |
| 872 continue; | |
| 873 for(j = 0; j < 8; j++) { | |
| 874 if(key_vec[i] & (1 << j)) { | |
| 875 SDL_keysym sk; | |
| 876 KeyCode kc = i << 3 | j; | |
| 877 X11_TranslateKey(display, NULL, kc, &sk); | |
| 878 new_kstate[sk.sym] = 1; | |
| 879 xcode[sk.sym] = kc; | |
| 880 } | |
| 881 } | |
| 882 } | |
| 883 for(i = SDLK_FIRST+1; i < SDLK_LAST; i++) { | |
| 884 int st; | |
| 885 SDL_keysym sk; | |
| 886 | |
| 887 if(kstate[i] == new_kstate[i]) | |
| 888 continue; | |
| 889 /* | |
| 890 * Send a fake keyboard event correcting the difference between | |
| 891 * SDL's keyboard state and the actual. Note that there is no | |
| 892 * way to find out the scancode for key releases, but since all | |
| 893 * keys are released when focus is lost only keypresses should | |
| 894 * be sent here | |
| 895 */ | |
| 896 st = new_kstate[i] ? SDL_PRESSED : SDL_RELEASED; | |
| 897 memset(&sk, 0, sizeof(sk)); | |
| 898 sk.sym = i; | |
| 899 sk.scancode = xcode[i]; /* only valid for key press */ | |
| 900 if ( gen_event ) { | |
| 901 SDL_PrivateKeyboard(st, &sk); | |
| 902 } else { | |
| 903 kstate[i] = new_kstate[i]; | |
| 904 } | |
| 905 } | |
| 906 } | |
| 907 | |
| 908 void X11_InitOSKeymap(_THIS) | |
| 909 { | |
| 910 X11_InitKeymap(); | |
| 911 } | |
| 912 |