Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11events.c @ 1379:c0a74f199ecf
Use only safe string functions
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 19 Feb 2006 23:46:34 +0000 |
| parents | 19418e4422cb |
| children | d910939febfa |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
|
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 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 | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* Handle the event stream, converting X11 events into SDL events */ | |
| 24 | |
| 25 #include <setjmp.h> | |
| 26 #include <X11/Xlib.h> | |
| 27 #include <X11/Xutil.h> | |
| 28 #include <X11/keysym.h> | |
| 29 #ifdef __SVR4 | |
| 30 #include <X11/Sunkeysym.h> | |
| 31 #endif | |
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32 #include <sys/types.h> |
| 0 | 33 #include <sys/time.h> |
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34 #include <unistd.h> |
| 0 | 35 |
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36 #include "SDL_timer.h" |
| 0 | 37 #include "SDL_syswm.h" |
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38 #include "../SDL_sysvideo.h" |
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39 #include "../../events/SDL_sysevents.h" |
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40 #include "../../events/SDL_events_c.h" |
| 0 | 41 #include "SDL_x11video.h" |
| 42 #include "SDL_x11dga_c.h" | |
| 43 #include "SDL_x11modes_c.h" | |
| 44 #include "SDL_x11image_c.h" | |
| 45 #include "SDL_x11gamma_c.h" | |
| 46 #include "SDL_x11wm_c.h" | |
| 47 #include "SDL_x11mouse_c.h" | |
| 48 #include "SDL_x11events_c.h" | |
| 49 | |
| 50 | |
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51 /* Define this if you want to debug X11 events */ |
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52 /*#define DEBUG_XEVENTS*/ |
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53 |
| 0 | 54 /* The translation tables from an X11 keysym to a SDL keysym */ |
| 55 static SDLKey ODD_keymap[256]; | |
| 56 static SDLKey MISC_keymap[256]; | |
| 1327 | 57 SDLKey X11_TranslateKeycode(Display *display, KeyCode kc); |
| 58 | |
| 59 | |
| 60 #ifdef X_HAVE_UTF8_STRING | |
| 61 Uint32 Utf8ToUcs4(const Uint8 *utf8) | |
| 62 { | |
| 63 Uint32 c; | |
| 64 int i = 1; | |
| 65 int noOctets = 0; | |
| 66 int firstOctetMask = 0; | |
| 67 unsigned char firstOctet = utf8[0]; | |
| 68 if (firstOctet < 0x80) { | |
| 69 /* | |
| 70 Characters in the range: | |
| 71 00000000 to 01111111 (ASCII Range) | |
| 72 are stored in one octet: | |
| 73 0xxxxxxx (The same as its ASCII representation) | |
| 74 The least 6 significant bits of the first octet is the most 6 significant nonzero bits | |
| 75 of the UCS4 representation. | |
| 76 */ | |
| 77 noOctets = 1; | |
| 78 firstOctetMask = 0x7F; /* 0(1111111) - The most significant bit is ignored */ | |
| 79 } else if ((firstOctet & 0xE0) /* get the most 3 significant bits by AND'ing with 11100000 */ | |
| 80 == 0xC0 ) { /* see if those 3 bits are 110. If so, the char is in this range */ | |
| 81 /* | |
| 82 Characters in the range: | |
| 83 00000000 10000000 to 00000111 11111111 | |
| 84 are stored in two octets: | |
| 85 110xxxxx 10xxxxxx | |
| 86 The least 5 significant bits of the first octet is the most 5 significant nonzero bits | |
| 87 of the UCS4 representation. | |
| 88 */ | |
| 89 noOctets = 2; | |
| 90 firstOctetMask = 0x1F; /* 000(11111) - The most 3 significant bits are ignored */ | |
| 91 } else if ((firstOctet & 0xF0) /* get the most 4 significant bits by AND'ing with 11110000 */ | |
| 92 == 0xE0) { /* see if those 4 bits are 1110. If so, the char is in this range */ | |
| 93 /* | |
| 94 Characters in the range: | |
| 95 00001000 00000000 to 11111111 11111111 | |
| 96 are stored in three octets: | |
| 97 1110xxxx 10xxxxxx 10xxxxxx | |
| 98 The least 4 significant bits of the first octet is the most 4 significant nonzero bits | |
| 99 of the UCS4 representation. | |
| 100 */ | |
| 101 noOctets = 3; | |
| 102 firstOctetMask = 0x0F; /* 0000(1111) - The most 4 significant bits are ignored */ | |
| 103 } else if ((firstOctet & 0xF8) /* get the most 5 significant bits by AND'ing with 11111000 */ | |
| 104 == 0xF0) { /* see if those 5 bits are 11110. If so, the char is in this range */ | |
| 105 /* | |
| 106 Characters in the range: | |
| 107 00000001 00000000 00000000 to 00011111 11111111 11111111 | |
| 108 are stored in four octets: | |
| 109 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx | |
| 110 The least 3 significant bits of the first octet is the most 3 significant nonzero bits | |
| 111 of the UCS4 representation. | |
| 112 */ | |
| 113 noOctets = 4; | |
| 114 firstOctetMask = 0x07; /* 11110(111) - The most 5 significant bits are ignored */ | |
| 115 } else if ((firstOctet & 0xFC) /* get the most 6 significant bits by AND'ing with 11111100 */ | |
| 116 == 0xF8) { /* see if those 6 bits are 111110. If so, the char is in this range */ | |
| 117 /* | |
| 118 Characters in the range: | |
| 119 00000000 00100000 00000000 00000000 to | |
| 120 00000011 11111111 11111111 11111111 | |
| 121 are stored in five octets: | |
| 122 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx | |
| 123 The least 2 significant bits of the first octet is the most 2 significant nonzero bits | |
| 124 of the UCS4 representation. | |
| 125 */ | |
| 126 noOctets = 5; | |
| 127 firstOctetMask = 0x03; /* 111110(11) - The most 6 significant bits are ignored */ | |
| 128 } else if ((firstOctet & 0xFE) /* get the most 7 significant bits by AND'ing with 11111110 */ | |
| 129 == 0xFC) { /* see if those 7 bits are 1111110. If so, the char is in this range */ | |
| 130 /* | |
| 131 Characters in the range: | |
| 132 00000100 00000000 00000000 00000000 to | |
| 133 01111111 11111111 11111111 11111111 | |
| 134 are stored in six octets: | |
| 135 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx | |
| 136 The least significant bit of the first octet is the most significant nonzero bit | |
| 137 of the UCS4 representation. | |
| 138 */ | |
| 139 noOctets = 6; | |
| 140 firstOctetMask = 0x01; /* 1111110(1) - The most 7 significant bits are ignored */ | |
| 141 } else | |
| 142 return 0; /* The given chunk is not a valid UTF-8 encoded Unicode character */ | |
| 143 | |
| 144 /* | |
| 145 The least noOctets significant bits of the first octet is the most 2 significant nonzero bits | |
| 146 of the UCS4 representation. | |
| 147 The first 6 bits of the UCS4 representation is the least 8-noOctets-1 significant bits of | |
| 148 firstOctet if the character is not ASCII. If so, it's the least 7 significant bits of firstOctet. | |
| 149 This done by AND'ing firstOctet with its mask to trim the bits used for identifying the | |
| 150 number of continuing octets (if any) and leave only the free bits (the x's) | |
| 151 Sample: | |
| 152 1-octet: 0xxxxxxx & 01111111 = 0xxxxxxx | |
| 153 2-octets: 110xxxxx & 00011111 = 000xxxxx | |
| 154 */ | |
| 155 c = firstOctet & firstOctetMask; | |
| 156 | |
| 157 /* Now, start filling c.ucs4 with the bits from the continuing octets from utf8. */ | |
| 158 for (i = 1; i < noOctets; i++) { | |
| 159 /* A valid continuing octet is of the form 10xxxxxx */ | |
| 160 if ((utf8[i] & 0xC0) /* get the most 2 significant bits by AND'ing with 11000000 */ | |
| 161 != 0x80) /* see if those 2 bits are 10. If not, the is a malformed sequence. */ | |
| 162 /*The given chunk is a partial sequence at the end of a string that could | |
| 163 begin a valid character */ | |
| 164 return 0; | |
| 165 | |
| 166 /* Make room for the next 6-bits */ | |
| 167 c <<= 6; | |
| 168 | |
| 169 /* | |
| 170 Take only the least 6 significance bits of the current octet (utf8[i]) and fill the created room | |
| 171 of c.ucs4 with them. | |
| 172 This done by AND'ing utf8[i] with 00111111 and the OR'ing the result with c.ucs4. | |
| 173 */ | |
| 174 c |= utf8[i] & 0x3F; | |
| 175 } | |
| 176 return c; | |
| 177 } | |
| 178 #endif | |
| 0 | 179 |
| 180 /* Check to see if this is a repeated key. | |
| 181 (idea shamelessly lifted from GII -- thanks guys! :) | |
| 182 */ | |
| 183 static int X11_KeyRepeat(Display *display, XEvent *event) | |
| 184 { | |
| 185 XEvent peekevent; | |
| 186 int repeated; | |
| 187 | |
| 188 repeated = 0; | |
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189 if ( pXPending(display) ) { |
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190 pXPeekEvent(display, &peekevent); |
| 0 | 191 if ( (peekevent.type == KeyPress) && |
| 192 (peekevent.xkey.keycode == event->xkey.keycode) && | |
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193 ((peekevent.xkey.time-event->xkey.time) < 2) ) { |
| 0 | 194 repeated = 1; |
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195 pXNextEvent(display, &peekevent); |
| 0 | 196 } |
| 197 } | |
| 198 return(repeated); | |
| 199 } | |
| 200 | |
| 201 /* Note: The X server buffers and accumulates mouse motion events, so | |
| 202 the motion event generated by the warp may not appear exactly as we | |
| 203 expect it to. We work around this (and improve performance) by only | |
| 204 warping the pointer when it reaches the edge, and then wait for it. | |
| 205 */ | |
| 206 #define MOUSE_FUDGE_FACTOR 8 | |
| 207 | |
| 208 static __inline__ int X11_WarpedMotion(_THIS, XEvent *xevent) | |
| 209 { | |
| 210 int w, h, i; | |
| 211 int deltax, deltay; | |
| 212 int posted; | |
| 213 | |
| 214 w = SDL_VideoSurface->w; | |
| 215 h = SDL_VideoSurface->h; | |
| 216 deltax = xevent->xmotion.x - mouse_last.x; | |
| 217 deltay = xevent->xmotion.y - mouse_last.y; | |
| 218 #ifdef DEBUG_MOTION | |
| 219 printf("Warped mouse motion: %d,%d\n", deltax, deltay); | |
| 220 #endif | |
| 221 mouse_last.x = xevent->xmotion.x; | |
| 222 mouse_last.y = xevent->xmotion.y; | |
| 223 posted = SDL_PrivateMouseMotion(0, 1, deltax, deltay); | |
| 224 | |
| 225 if ( (xevent->xmotion.x < MOUSE_FUDGE_FACTOR) || | |
| 226 (xevent->xmotion.x > (w-MOUSE_FUDGE_FACTOR)) || | |
| 227 (xevent->xmotion.y < MOUSE_FUDGE_FACTOR) || | |
| 228 (xevent->xmotion.y > (h-MOUSE_FUDGE_FACTOR)) ) { | |
| 229 /* Get the events that have accumulated */ | |
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230 while ( pXCheckTypedEvent(SDL_Display, MotionNotify, xevent) ) { |
| 0 | 231 deltax = xevent->xmotion.x - mouse_last.x; |
| 232 deltay = xevent->xmotion.y - mouse_last.y; | |
| 233 #ifdef DEBUG_MOTION | |
| 234 printf("Extra mouse motion: %d,%d\n", deltax, deltay); | |
| 235 #endif | |
| 236 mouse_last.x = xevent->xmotion.x; | |
| 237 mouse_last.y = xevent->xmotion.y; | |
| 238 posted += SDL_PrivateMouseMotion(0, 1, deltax, deltay); | |
| 239 } | |
| 240 mouse_last.x = w/2; | |
| 241 mouse_last.y = h/2; | |
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242 pXWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, |
| 0 | 243 mouse_last.x, mouse_last.y); |
| 244 for ( i=0; i<10; ++i ) { | |
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245 pXMaskEvent(SDL_Display, PointerMotionMask, xevent); |
| 0 | 246 if ( (xevent->xmotion.x > |
| 247 (mouse_last.x-MOUSE_FUDGE_FACTOR)) && | |
| 248 (xevent->xmotion.x < | |
| 249 (mouse_last.x+MOUSE_FUDGE_FACTOR)) && | |
| 250 (xevent->xmotion.y > | |
| 251 (mouse_last.y-MOUSE_FUDGE_FACTOR)) && | |
| 252 (xevent->xmotion.y < | |
| 253 (mouse_last.y+MOUSE_FUDGE_FACTOR)) ) { | |
| 254 break; | |
| 255 } | |
| 256 #ifdef DEBUG_XEVENTS | |
| 257 printf("Lost mouse motion: %d,%d\n", xevent->xmotion.x, xevent->xmotion.y); | |
| 258 #endif | |
| 259 } | |
| 260 #ifdef DEBUG_XEVENTS | |
| 261 if ( i == 10 ) { | |
| 262 printf("Warning: didn't detect mouse warp motion\n"); | |
| 263 } | |
| 264 #endif | |
| 265 } | |
| 266 return(posted); | |
| 267 } | |
| 268 | |
| 269 static int X11_DispatchEvent(_THIS) | |
| 270 { | |
| 271 int posted; | |
| 272 XEvent xevent; | |
| 273 | |
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274 SDL_memset(&xevent, '\0', sizeof (XEvent)); /* valgrind fix. --ryan. */ |
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275 pXNextEvent(SDL_Display, &xevent); |
| 0 | 276 |
| 277 posted = 0; | |
| 278 switch (xevent.type) { | |
| 279 | |
| 280 /* Gaining mouse coverage? */ | |
| 281 case EnterNotify: { | |
| 282 #ifdef DEBUG_XEVENTS | |
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283 printf("EnterNotify! (%d,%d)\n", xevent.xcrossing.x, xevent.xcrossing.y); |
| 0 | 284 if ( xevent.xcrossing.mode == NotifyGrab ) |
| 285 printf("Mode: NotifyGrab\n"); | |
| 286 if ( xevent.xcrossing.mode == NotifyUngrab ) | |
| 287 printf("Mode: NotifyUngrab\n"); | |
| 288 #endif | |
| 289 if ( (xevent.xcrossing.mode != NotifyGrab) && | |
| 290 (xevent.xcrossing.mode != NotifyUngrab) ) { | |
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291 if ( this->input_grab == SDL_GRAB_OFF ) { |
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292 posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
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293 } else { |
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294 posted = SDL_PrivateMouseMotion(0, 0, |
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295 xevent.xcrossing.x, |
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296 xevent.xcrossing.y); |
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297 } |
| 0 | 298 } |
| 299 } | |
| 300 break; | |
| 301 | |
| 302 /* Losing mouse coverage? */ | |
| 303 case LeaveNotify: { | |
| 304 #ifdef DEBUG_XEVENTS | |
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305 printf("LeaveNotify! (%d,%d)\n", xevent.xcrossing.x, xevent.xcrossing.y); |
| 0 | 306 if ( xevent.xcrossing.mode == NotifyGrab ) |
| 307 printf("Mode: NotifyGrab\n"); | |
| 308 if ( xevent.xcrossing.mode == NotifyUngrab ) | |
| 309 printf("Mode: NotifyUngrab\n"); | |
| 310 #endif | |
| 311 if ( (xevent.xcrossing.mode != NotifyGrab) && | |
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312 (xevent.xcrossing.mode != NotifyUngrab) && |
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313 (xevent.xcrossing.detail != NotifyInferior) ) { |
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314 if ( this->input_grab == SDL_GRAB_OFF ) { |
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315 posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
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316 } else { |
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317 posted = SDL_PrivateMouseMotion(0, 0, |
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318 xevent.xcrossing.x, |
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319 xevent.xcrossing.y); |
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320 } |
| 0 | 321 } |
| 322 } | |
| 323 break; | |
| 324 | |
| 325 /* Gaining input focus? */ | |
| 326 case FocusIn: { | |
| 327 #ifdef DEBUG_XEVENTS | |
| 328 printf("FocusIn!\n"); | |
| 329 #endif | |
| 330 posted = SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); | |
| 331 | |
|
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332 #ifdef X_HAVE_UTF8_STRING |
| 1327 | 333 if ( SDL_IC != NULL ) { |
| 334 pXSetICFocus(SDL_IC); | |
| 335 } | |
|
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336 #endif |
| 0 | 337 /* Queue entry into fullscreen mode */ |
| 338 switch_waiting = 0x01 | SDL_FULLSCREEN; | |
| 339 switch_time = SDL_GetTicks() + 1500; | |
| 340 } | |
| 341 break; | |
| 342 | |
| 343 /* Losing input focus? */ | |
| 344 case FocusOut: { | |
| 345 #ifdef DEBUG_XEVENTS | |
| 346 printf("FocusOut!\n"); | |
| 347 #endif | |
| 348 posted = SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS); | |
| 349 | |
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350 #ifdef X_HAVE_UTF8_STRING |
| 1327 | 351 if ( SDL_IC != NULL ) { |
| 352 pXUnsetICFocus(SDL_IC); | |
| 353 } | |
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354 #endif |
| 0 | 355 /* Queue leaving fullscreen mode */ |
| 356 switch_waiting = 0x01; | |
| 357 switch_time = SDL_GetTicks() + 200; | |
| 358 } | |
| 359 break; | |
| 360 | |
| 361 /* Generated upon EnterWindow and FocusIn */ | |
| 362 case KeymapNotify: { | |
|
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363 #ifdef DEBUG_XEVENTS |
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364 printf("KeymapNotify!\n"); |
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365 #endif |
| 1327 | 366 X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector); |
| 0 | 367 } |
| 368 break; | |
| 369 | |
| 370 /* Mouse motion? */ | |
| 371 case MotionNotify: { | |
| 372 if ( SDL_VideoSurface ) { | |
| 373 if ( mouse_relative ) { | |
| 374 if ( using_dga & DGA_MOUSE ) { | |
| 375 #ifdef DEBUG_MOTION | |
| 376 printf("DGA motion: %d,%d\n", xevent.xmotion.x_root, xevent.xmotion.y_root); | |
| 377 #endif | |
| 378 posted = SDL_PrivateMouseMotion(0, 1, | |
| 379 xevent.xmotion.x_root, | |
| 380 xevent.xmotion.y_root); | |
| 381 } else { | |
| 382 posted = X11_WarpedMotion(this,&xevent); | |
| 383 } | |
| 384 } else { | |
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385 #ifdef DEBUG_MOTION |
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386 printf("X11 motion: %d,%d\n", xevent.xmotion.x, xevent.xmotion.y); |
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387 #endif |
| 0 | 388 posted = SDL_PrivateMouseMotion(0, 0, |
| 389 xevent.xmotion.x, | |
| 390 xevent.xmotion.y); | |
| 391 } | |
| 392 } | |
| 393 } | |
| 394 break; | |
| 395 | |
| 396 /* Mouse button press? */ | |
| 397 case ButtonPress: { | |
| 398 posted = SDL_PrivateMouseButton(SDL_PRESSED, | |
| 399 xevent.xbutton.button, 0, 0); | |
| 400 } | |
| 401 break; | |
| 402 | |
| 403 /* Mouse button release? */ | |
| 404 case ButtonRelease: { | |
| 405 posted = SDL_PrivateMouseButton(SDL_RELEASED, | |
| 406 xevent.xbutton.button, 0, 0); | |
| 407 } | |
| 408 break; | |
| 409 | |
| 410 /* Key press? */ | |
| 411 case KeyPress: { | |
| 1327 | 412 static SDL_keysym saved_keysym; |
| 0 | 413 SDL_keysym keysym; |
| 1327 | 414 KeyCode keycode = xevent.xkey.keycode; |
|
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415 |
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416 #ifdef DEBUG_XEVENTS |
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417 printf("KeyPress (X11 keycode = 0x%X)\n", xevent.xkey.keycode); |
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418 #endif |
| 1327 | 419 /* Get the translated SDL virtual keysym */ |
| 420 if ( keycode ) { | |
| 421 keysym.scancode = keycode; | |
| 422 keysym.sym = X11_TranslateKeycode(SDL_Display, keycode); | |
| 423 keysym.mod = KMOD_NONE; | |
| 424 keysym.unicode = 0; | |
| 425 } else { | |
| 426 keysym = saved_keysym; | |
| 427 } | |
| 428 | |
| 429 /* If we're not doing translation, we're done! */ | |
| 430 if ( !SDL_TranslateUNICODE ) { | |
| 431 posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); | |
| 432 break; | |
| 433 } | |
| 434 | |
| 435 if ( pXFilterEvent(&xevent, None) ) { | |
| 436 if ( xevent.xkey.keycode ) { | |
| 437 posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); | |
| 438 } else { | |
| 439 /* Save event to be associated with IM text | |
| 440 In 1.3 we'll have a text event instead.. */ | |
| 441 saved_keysym = keysym; | |
| 442 } | |
| 443 break; | |
| 444 } | |
| 445 | |
| 446 /* Look up the translated value for the key event */ | |
| 447 #ifdef X_HAVE_UTF8_STRING | |
| 448 if ( SDL_IC != NULL ) { | |
| 449 static Status state; | |
| 450 /* A UTF-8 character can be at most 6 bytes */ | |
| 451 char keybuf[6]; | |
| 452 if ( pXutf8LookupString(SDL_IC, &xevent.xkey, | |
| 453 keybuf, sizeof(keybuf), | |
| 454 NULL, &state) ) { | |
| 455 keysym.unicode = Utf8ToUcs4((Uint8*)keybuf); | |
| 456 } | |
| 457 } | |
| 458 else | |
| 459 #endif | |
| 460 { | |
| 461 static XComposeStatus state; | |
| 462 char keybuf[32]; | |
| 463 | |
| 464 if ( pXLookupString(&xevent.xkey, | |
| 465 keybuf, sizeof(keybuf), | |
| 466 NULL, &state) ) { | |
| 467 /* | |
| 468 * FIXME: XLookupString() may yield more than one | |
| 469 * character, so we need a mechanism to allow for | |
| 470 * this (perhaps null keypress events with a | |
| 471 * unicode value) | |
| 472 */ | |
| 473 keysym.unicode = (Uint8)keybuf[0]; | |
| 474 } | |
| 475 } | |
| 476 posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym); | |
| 0 | 477 } |
| 478 break; | |
| 479 | |
| 480 /* Key release? */ | |
| 481 case KeyRelease: { | |
| 482 SDL_keysym keysym; | |
| 1327 | 483 KeyCode keycode = xevent.xkey.keycode; |
| 0 | 484 |
|
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485 #ifdef DEBUG_XEVENTS |
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486 printf("KeyRelease (X11 keycode = 0x%X)\n", xevent.xkey.keycode); |
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487 #endif |
| 0 | 488 /* Check to see if this is a repeated key */ |
| 1327 | 489 if ( X11_KeyRepeat(SDL_Display, &xevent) ) { |
| 490 break; | |
| 0 | 491 } |
| 1327 | 492 |
| 493 /* Get the translated SDL virtual keysym */ | |
| 494 keysym.scancode = keycode; | |
| 495 keysym.sym = X11_TranslateKeycode(SDL_Display, keycode); | |
| 496 keysym.mod = KMOD_NONE; | |
| 497 keysym.unicode = 0; | |
| 498 | |
| 499 posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym); | |
| 0 | 500 } |
| 501 break; | |
| 502 | |
| 503 /* Have we been iconified? */ | |
| 504 case UnmapNotify: { | |
| 505 #ifdef DEBUG_XEVENTS | |
| 506 printf("UnmapNotify!\n"); | |
| 507 #endif | |
| 508 /* If we're active, make ourselves inactive */ | |
| 509 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 510 /* Swap out the gamma before we go inactive */ | |
| 511 X11_SwapVidModeGamma(this); | |
| 512 | |
| 513 /* Send an internal deactivate event */ | |
| 514 posted = SDL_PrivateAppActive(0, | |
| 515 SDL_APPACTIVE|SDL_APPINPUTFOCUS); | |
| 516 } | |
| 517 } | |
| 518 break; | |
| 519 | |
| 520 /* Have we been restored? */ | |
| 521 case MapNotify: { | |
| 522 #ifdef DEBUG_XEVENTS | |
| 523 printf("MapNotify!\n"); | |
| 524 #endif | |
| 525 /* If we're not active, make ourselves active */ | |
| 526 if ( !(SDL_GetAppState() & SDL_APPACTIVE) ) { | |
| 527 /* Send an internal activate event */ | |
| 528 posted = SDL_PrivateAppActive(1, SDL_APPACTIVE); | |
| 529 | |
| 530 /* Now that we're active, swap the gamma back */ | |
| 531 X11_SwapVidModeGamma(this); | |
| 532 } | |
| 533 | |
| 534 if ( SDL_VideoSurface && | |
| 535 (SDL_VideoSurface->flags & SDL_FULLSCREEN) ) { | |
| 536 X11_EnterFullScreen(this); | |
| 537 } else { | |
| 538 X11_GrabInputNoLock(this, this->input_grab); | |
| 539 } | |
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540 X11_CheckMouseModeNoLock(this); |
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541 |
| 0 | 542 if ( SDL_VideoSurface ) { |
| 543 X11_RefreshDisplay(this); | |
| 544 } | |
| 545 } | |
| 546 break; | |
| 547 | |
| 548 /* Have we been resized or moved? */ | |
| 549 case ConfigureNotify: { | |
| 550 #ifdef DEBUG_XEVENTS | |
| 551 printf("ConfigureNotify! (resize: %dx%d)\n", xevent.xconfigure.width, xevent.xconfigure.height); | |
| 552 #endif | |
| 553 if ( SDL_VideoSurface ) { | |
| 554 if ((xevent.xconfigure.width != SDL_VideoSurface->w) || | |
| 555 (xevent.xconfigure.height != SDL_VideoSurface->h)) { | |
| 556 /* FIXME: Find a better fix for the bug with KDE 1.2 */ | |
| 557 if ( ! ((xevent.xconfigure.width == 32) && | |
| 558 (xevent.xconfigure.height == 32)) ) { | |
| 559 SDL_PrivateResize(xevent.xconfigure.width, | |
| 560 xevent.xconfigure.height); | |
| 561 } | |
| 562 } else { | |
| 563 /* OpenGL windows need to know about the change */ | |
| 564 if ( SDL_VideoSurface->flags & SDL_OPENGL ) { | |
| 565 SDL_PrivateExpose(); | |
| 566 } | |
| 567 } | |
| 568 } | |
| 569 } | |
| 570 break; | |
| 571 | |
| 572 /* Have we been requested to quit (or another client message?) */ | |
| 573 case ClientMessage: { | |
| 574 if ( (xevent.xclient.format == 32) && | |
| 575 (xevent.xclient.data.l[0] == WM_DELETE_WINDOW) ) | |
| 576 { | |
| 577 posted = SDL_PrivateQuit(); | |
| 578 } else | |
| 579 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { | |
| 580 SDL_SysWMmsg wmmsg; | |
| 581 | |
| 582 SDL_VERSION(&wmmsg.version); | |
| 583 wmmsg.subsystem = SDL_SYSWM_X11; | |
| 584 wmmsg.event.xevent = xevent; | |
| 585 posted = SDL_PrivateSysWMEvent(&wmmsg); | |
| 586 } | |
| 587 } | |
| 588 break; | |
| 589 | |
| 590 /* Do we need to refresh ourselves? */ | |
| 591 case Expose: { | |
| 592 #ifdef DEBUG_XEVENTS | |
| 593 printf("Expose (count = %d)\n", xevent.xexpose.count); | |
| 594 #endif | |
| 595 if ( SDL_VideoSurface && (xevent.xexpose.count == 0) ) { | |
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596 X11_RefreshDisplay(this); |
| 0 | 597 } |
| 598 } | |
| 599 break; | |
| 600 | |
| 601 default: { | |
| 602 #ifdef DEBUG_XEVENTS | |
| 603 printf("Unhandled event %d\n", xevent.type); | |
| 604 #endif | |
| 605 /* Only post the event if we're watching for it */ | |
| 606 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { | |
| 607 SDL_SysWMmsg wmmsg; | |
| 608 | |
| 609 SDL_VERSION(&wmmsg.version); | |
| 610 wmmsg.subsystem = SDL_SYSWM_X11; | |
| 611 wmmsg.event.xevent = xevent; | |
| 612 posted = SDL_PrivateSysWMEvent(&wmmsg); | |
| 613 } | |
| 614 } | |
| 615 break; | |
| 616 } | |
| 617 return(posted); | |
| 618 } | |
| 619 | |
| 620 /* Ack! XPending() actually performs a blocking read if no events available */ | |
| 621 int X11_Pending(Display *display) | |
| 622 { | |
| 623 /* Flush the display connection and look to see if events are queued */ | |
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624 pXFlush(display); |
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625 if ( pXEventsQueued(display, QueuedAlready) ) { |
| 0 | 626 return(1); |
| 627 } | |
| 628 | |
| 629 /* More drastic measures are required -- see if X is ready to talk */ | |
| 630 { | |
| 631 static struct timeval zero_time; /* static == 0 */ | |
| 632 int x11_fd; | |
| 633 fd_set fdset; | |
| 634 | |
| 635 x11_fd = ConnectionNumber(display); | |
| 636 FD_ZERO(&fdset); | |
| 637 FD_SET(x11_fd, &fdset); | |
| 638 if ( select(x11_fd+1, &fdset, NULL, NULL, &zero_time) == 1 ) { | |
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639 return(pXPending(display)); |
| 0 | 640 } |
| 641 } | |
| 642 | |
| 643 /* Oh well, nothing is ready .. */ | |
| 644 return(0); | |
| 645 } | |
| 646 | |
| 647 void X11_PumpEvents(_THIS) | |
| 648 { | |
| 649 int pending; | |
| 650 | |
| 651 /* Keep processing pending events */ | |
| 652 pending = 0; | |
| 653 while ( X11_Pending(SDL_Display) ) { | |
| 654 X11_DispatchEvent(this); | |
| 655 ++pending; | |
| 656 } | |
| 657 if ( switch_waiting ) { | |
| 658 Uint32 now; | |
| 659 | |
| 660 now = SDL_GetTicks(); | |
| 661 if ( pending || !SDL_VideoSurface ) { | |
| 662 /* Try again later... */ | |
| 663 if ( switch_waiting & SDL_FULLSCREEN ) { | |
| 664 switch_time = now + 1500; | |
| 665 } else { | |
| 666 switch_time = now + 200; | |
| 667 } | |
| 668 } else if ( now >= switch_time ) { | |
| 669 Uint32 go_fullscreen; | |
| 670 | |
| 671 go_fullscreen = switch_waiting & SDL_FULLSCREEN; | |
| 672 switch_waiting = 0; | |
| 673 if ( SDL_VideoSurface->flags & SDL_FULLSCREEN ) { | |
| 674 if ( go_fullscreen ) { | |
| 675 X11_EnterFullScreen(this); | |
| 676 } else { | |
| 677 X11_LeaveFullScreen(this); | |
| 678 } | |
| 679 } | |
| 680 /* Handle focus in/out when grabbed */ | |
| 681 if ( go_fullscreen ) { | |
| 682 X11_GrabInputNoLock(this, this->input_grab); | |
| 683 } else { | |
| 684 X11_GrabInputNoLock(this, SDL_GRAB_OFF); | |
| 685 } | |
| 686 X11_CheckMouseModeNoLock(this); | |
| 687 } | |
| 688 } | |
| 689 } | |
| 690 | |
| 691 void X11_InitKeymap(void) | |
| 692 { | |
| 693 int i; | |
| 694 | |
| 695 /* Odd keys used in international keyboards */ | |
|
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696 for ( i=0; i<SDL_arraysize(ODD_keymap); ++i ) |
| 0 | 697 ODD_keymap[i] = SDLK_UNKNOWN; |
| 698 | |
| 1327 | 699 /* Some of these might be mappable to an existing SDLK_ code */ |
| 700 ODD_keymap[XK_dead_grave&0xFF] = SDLK_COMPOSE; | |
| 701 ODD_keymap[XK_dead_acute&0xFF] = SDLK_COMPOSE; | |
| 702 ODD_keymap[XK_dead_tilde&0xFF] = SDLK_COMPOSE; | |
| 703 ODD_keymap[XK_dead_macron&0xFF] = SDLK_COMPOSE; | |
| 704 ODD_keymap[XK_dead_breve&0xFF] = SDLK_COMPOSE; | |
| 705 ODD_keymap[XK_dead_abovedot&0xFF] = SDLK_COMPOSE; | |
| 706 ODD_keymap[XK_dead_diaeresis&0xFF] = SDLK_COMPOSE; | |
| 707 ODD_keymap[XK_dead_abovering&0xFF] = SDLK_COMPOSE; | |
| 708 ODD_keymap[XK_dead_doubleacute&0xFF] = SDLK_COMPOSE; | |
| 709 ODD_keymap[XK_dead_caron&0xFF] = SDLK_COMPOSE; | |
| 710 ODD_keymap[XK_dead_cedilla&0xFF] = SDLK_COMPOSE; | |
| 711 ODD_keymap[XK_dead_ogonek&0xFF] = SDLK_COMPOSE; | |
| 712 ODD_keymap[XK_dead_iota&0xFF] = SDLK_COMPOSE; | |
| 713 ODD_keymap[XK_dead_voiced_sound&0xFF] = SDLK_COMPOSE; | |
| 714 ODD_keymap[XK_dead_semivoiced_sound&0xFF] = SDLK_COMPOSE; | |
| 715 ODD_keymap[XK_dead_belowdot&0xFF] = SDLK_COMPOSE; | |
|
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716 #ifdef XK_dead_hook |
| 1327 | 717 ODD_keymap[XK_dead_hook&0xFF] = SDLK_COMPOSE; |
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718 #endif |
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719 #ifdef XK_dead_horn |
| 1327 | 720 ODD_keymap[XK_dead_horn&0xFF] = SDLK_COMPOSE; |
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721 #endif |
| 1327 | 722 |
| 0 | 723 #ifdef XK_dead_circumflex |
| 724 /* These X keysyms have 0xFE as the high byte */ | |
| 725 ODD_keymap[XK_dead_circumflex&0xFF] = SDLK_CARET; | |
| 726 #endif | |
|
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727 #ifdef XK_ISO_Level3_Shift |
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728 ODD_keymap[XK_ISO_Level3_Shift&0xFF] = SDLK_MODE; /* "Alt Gr" key */ |
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729 #endif |
| 0 | 730 |
| 731 /* Map the miscellaneous keys */ | |
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732 for ( i=0; i<SDL_arraysize(MISC_keymap); ++i ) |
| 0 | 733 MISC_keymap[i] = SDLK_UNKNOWN; |
| 734 | |
| 735 /* These X keysyms have 0xFF as the high byte */ | |
| 736 MISC_keymap[XK_BackSpace&0xFF] = SDLK_BACKSPACE; | |
| 737 MISC_keymap[XK_Tab&0xFF] = SDLK_TAB; | |
| 738 MISC_keymap[XK_Clear&0xFF] = SDLK_CLEAR; | |
| 739 MISC_keymap[XK_Return&0xFF] = SDLK_RETURN; | |
| 740 MISC_keymap[XK_Pause&0xFF] = SDLK_PAUSE; | |
| 741 MISC_keymap[XK_Escape&0xFF] = SDLK_ESCAPE; | |
| 742 MISC_keymap[XK_Delete&0xFF] = SDLK_DELETE; | |
| 743 | |
| 744 MISC_keymap[XK_KP_0&0xFF] = SDLK_KP0; /* Keypad 0-9 */ | |
| 745 MISC_keymap[XK_KP_1&0xFF] = SDLK_KP1; | |
| 746 MISC_keymap[XK_KP_2&0xFF] = SDLK_KP2; | |
| 747 MISC_keymap[XK_KP_3&0xFF] = SDLK_KP3; | |
| 748 MISC_keymap[XK_KP_4&0xFF] = SDLK_KP4; | |
| 749 MISC_keymap[XK_KP_5&0xFF] = SDLK_KP5; | |
| 750 MISC_keymap[XK_KP_6&0xFF] = SDLK_KP6; | |
| 751 MISC_keymap[XK_KP_7&0xFF] = SDLK_KP7; | |
| 752 MISC_keymap[XK_KP_8&0xFF] = SDLK_KP8; | |
| 753 MISC_keymap[XK_KP_9&0xFF] = SDLK_KP9; | |
| 754 MISC_keymap[XK_KP_Insert&0xFF] = SDLK_KP0; | |
| 755 MISC_keymap[XK_KP_End&0xFF] = SDLK_KP1; | |
| 756 MISC_keymap[XK_KP_Down&0xFF] = SDLK_KP2; | |
| 757 MISC_keymap[XK_KP_Page_Down&0xFF] = SDLK_KP3; | |
| 758 MISC_keymap[XK_KP_Left&0xFF] = SDLK_KP4; | |
| 759 MISC_keymap[XK_KP_Begin&0xFF] = SDLK_KP5; | |
| 760 MISC_keymap[XK_KP_Right&0xFF] = SDLK_KP6; | |
| 761 MISC_keymap[XK_KP_Home&0xFF] = SDLK_KP7; | |
| 762 MISC_keymap[XK_KP_Up&0xFF] = SDLK_KP8; | |
| 763 MISC_keymap[XK_KP_Page_Up&0xFF] = SDLK_KP9; | |
| 764 MISC_keymap[XK_KP_Delete&0xFF] = SDLK_KP_PERIOD; | |
| 765 MISC_keymap[XK_KP_Decimal&0xFF] = SDLK_KP_PERIOD; | |
| 766 MISC_keymap[XK_KP_Divide&0xFF] = SDLK_KP_DIVIDE; | |
| 767 MISC_keymap[XK_KP_Multiply&0xFF] = SDLK_KP_MULTIPLY; | |
| 768 MISC_keymap[XK_KP_Subtract&0xFF] = SDLK_KP_MINUS; | |
| 769 MISC_keymap[XK_KP_Add&0xFF] = SDLK_KP_PLUS; | |
| 770 MISC_keymap[XK_KP_Enter&0xFF] = SDLK_KP_ENTER; | |
| 771 MISC_keymap[XK_KP_Equal&0xFF] = SDLK_KP_EQUALS; | |
| 772 | |
| 773 MISC_keymap[XK_Up&0xFF] = SDLK_UP; | |
| 774 MISC_keymap[XK_Down&0xFF] = SDLK_DOWN; | |
| 775 MISC_keymap[XK_Right&0xFF] = SDLK_RIGHT; | |
| 776 MISC_keymap[XK_Left&0xFF] = SDLK_LEFT; | |
| 777 MISC_keymap[XK_Insert&0xFF] = SDLK_INSERT; | |
| 778 MISC_keymap[XK_Home&0xFF] = SDLK_HOME; | |
| 779 MISC_keymap[XK_End&0xFF] = SDLK_END; | |
| 780 MISC_keymap[XK_Page_Up&0xFF] = SDLK_PAGEUP; | |
| 781 MISC_keymap[XK_Page_Down&0xFF] = SDLK_PAGEDOWN; | |
| 782 | |
| 783 MISC_keymap[XK_F1&0xFF] = SDLK_F1; | |
| 784 MISC_keymap[XK_F2&0xFF] = SDLK_F2; | |
| 785 MISC_keymap[XK_F3&0xFF] = SDLK_F3; | |
| 786 MISC_keymap[XK_F4&0xFF] = SDLK_F4; | |
| 787 MISC_keymap[XK_F5&0xFF] = SDLK_F5; | |
| 788 MISC_keymap[XK_F6&0xFF] = SDLK_F6; | |
| 789 MISC_keymap[XK_F7&0xFF] = SDLK_F7; | |
| 790 MISC_keymap[XK_F8&0xFF] = SDLK_F8; | |
| 791 MISC_keymap[XK_F9&0xFF] = SDLK_F9; | |
| 792 MISC_keymap[XK_F10&0xFF] = SDLK_F10; | |
| 793 MISC_keymap[XK_F11&0xFF] = SDLK_F11; | |
| 794 MISC_keymap[XK_F12&0xFF] = SDLK_F12; | |
| 795 MISC_keymap[XK_F13&0xFF] = SDLK_F13; | |
| 796 MISC_keymap[XK_F14&0xFF] = SDLK_F14; | |
| 797 MISC_keymap[XK_F15&0xFF] = SDLK_F15; | |
| 798 | |
| 799 MISC_keymap[XK_Num_Lock&0xFF] = SDLK_NUMLOCK; | |
| 800 MISC_keymap[XK_Caps_Lock&0xFF] = SDLK_CAPSLOCK; | |
| 801 MISC_keymap[XK_Scroll_Lock&0xFF] = SDLK_SCROLLOCK; | |
| 802 MISC_keymap[XK_Shift_R&0xFF] = SDLK_RSHIFT; | |
| 803 MISC_keymap[XK_Shift_L&0xFF] = SDLK_LSHIFT; | |
| 804 MISC_keymap[XK_Control_R&0xFF] = SDLK_RCTRL; | |
| 805 MISC_keymap[XK_Control_L&0xFF] = SDLK_LCTRL; | |
| 806 MISC_keymap[XK_Alt_R&0xFF] = SDLK_RALT; | |
| 807 MISC_keymap[XK_Alt_L&0xFF] = SDLK_LALT; | |
| 808 MISC_keymap[XK_Meta_R&0xFF] = SDLK_RMETA; | |
| 809 MISC_keymap[XK_Meta_L&0xFF] = SDLK_LMETA; | |
| 810 MISC_keymap[XK_Super_L&0xFF] = SDLK_LSUPER; /* Left "Windows" */ | |
| 811 MISC_keymap[XK_Super_R&0xFF] = SDLK_RSUPER; /* Right "Windows */ | |
| 812 MISC_keymap[XK_Mode_switch&0xFF] = SDLK_MODE; /* "Alt Gr" key */ | |
| 813 MISC_keymap[XK_Multi_key&0xFF] = SDLK_COMPOSE; /* Multi-key compose */ | |
| 814 | |
| 815 MISC_keymap[XK_Help&0xFF] = SDLK_HELP; | |
| 816 MISC_keymap[XK_Print&0xFF] = SDLK_PRINT; | |
| 817 MISC_keymap[XK_Sys_Req&0xFF] = SDLK_SYSREQ; | |
| 818 MISC_keymap[XK_Break&0xFF] = SDLK_BREAK; | |
| 819 MISC_keymap[XK_Menu&0xFF] = SDLK_MENU; | |
| 820 MISC_keymap[XK_Hyper_R&0xFF] = SDLK_MENU; /* Windows "Menu" key */ | |
| 821 } | |
| 822 | |
| 1327 | 823 /* Get the translated SDL virtual keysym */ |
| 824 SDLKey X11_TranslateKeycode(Display *display, KeyCode kc) | |
| 0 | 825 { |
| 826 KeySym xsym; | |
| 1327 | 827 SDLKey key; |
| 0 | 828 |
|
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|
829 xsym = pXKeycodeToKeysym(display, kc, 0); |
| 0 | 830 #ifdef DEBUG_KEYS |
| 1327 | 831 fprintf(stderr, "Translating key code %d -> 0x%.4x\n", kc, xsym); |
| 0 | 832 #endif |
| 1327 | 833 key = SDLK_UNKNOWN; |
| 0 | 834 if ( xsym ) { |
| 835 switch (xsym>>8) { | |
| 1327 | 836 case 0x1005FF: |
| 0 | 837 #ifdef SunXK_F36 |
| 1327 | 838 if ( xsym == SunXK_F36 ) |
| 839 key = SDLK_F11; | |
| 0 | 840 #endif |
| 841 #ifdef SunXK_F37 | |
| 1327 | 842 if ( xsym == SunXK_F37 ) |
| 843 key = SDLK_F12; | |
| 0 | 844 #endif |
| 1327 | 845 break; |
| 846 case 0x00: /* Latin 1 */ | |
| 847 key = (SDLKey)(xsym & 0xFF); | |
| 848 break; | |
| 849 case 0x01: /* Latin 2 */ | |
| 850 case 0x02: /* Latin 3 */ | |
| 851 case 0x03: /* Latin 4 */ | |
| 852 case 0x04: /* Katakana */ | |
| 853 case 0x05: /* Arabic */ | |
| 854 case 0x06: /* Cyrillic */ | |
| 855 case 0x07: /* Greek */ | |
| 856 case 0x08: /* Technical */ | |
| 857 case 0x0A: /* Publishing */ | |
| 858 case 0x0C: /* Hebrew */ | |
| 859 case 0x0D: /* Thai */ | |
| 860 /* These are wrong, but it's better than nothing */ | |
| 861 key = (SDLKey)(xsym & 0xFF); | |
| 862 break; | |
| 863 case 0xFE: | |
| 864 key = ODD_keymap[xsym&0xFF]; | |
| 865 break; | |
| 866 case 0xFF: | |
| 867 key = MISC_keymap[xsym&0xFF]; | |
| 868 break; | |
| 869 default: | |
| 870 /* | |
| 871 fprintf(stderr, "X11: Unhandled xsym, sym = 0x%04x\n", | |
| 0 | 872 (unsigned int)xsym); |
| 1327 | 873 */ |
| 874 break; | |
| 0 | 875 } |
| 876 } else { | |
| 877 /* X11 doesn't know how to translate the key! */ | |
| 878 switch (kc) { | |
| 1327 | 879 /* Caution: |
| 880 These keycodes are from the Microsoft Keyboard | |
| 881 */ | |
| 882 case 115: | |
| 883 key = SDLK_LSUPER; | |
| 884 break; | |
| 885 case 116: | |
| 886 key = SDLK_RSUPER; | |
| 887 break; | |
| 888 case 117: | |
| 889 key = SDLK_MENU; | |
| 890 break; | |
| 891 default: | |
| 892 /* | |
| 893 * no point in an error message; happens for | |
| 894 * several keys when we get a keymap notify | |
| 0 | 895 */ |
| 1327 | 896 break; |
| 0 | 897 } |
| 898 } | |
| 1327 | 899 return key; |
| 0 | 900 } |
| 901 | |
| 902 /* X11 modifier masks for various keys */ | |
| 903 static unsigned meta_l_mask, meta_r_mask, alt_l_mask, alt_r_mask; | |
| 904 static unsigned num_mask, mode_switch_mask; | |
| 905 | |
| 906 static void get_modifier_masks(Display *display) | |
| 907 { | |
| 908 static unsigned got_masks; | |
| 909 int i, j; | |
| 910 XModifierKeymap *xmods; | |
| 911 unsigned n; | |
| 912 | |
| 913 if(got_masks) | |
| 914 return; | |
| 915 | |
|
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916 xmods = pXGetModifierMapping(display); |
| 0 | 917 n = xmods->max_keypermod; |
| 918 for(i = 3; i < 8; i++) { | |
| 919 for(j = 0; j < n; j++) { | |
| 920 KeyCode kc = xmods->modifiermap[i * n + j]; | |
|
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921 KeySym ks = pXKeycodeToKeysym(display, kc, 0); |
| 0 | 922 unsigned mask = 1 << i; |
| 923 switch(ks) { | |
| 924 case XK_Num_Lock: | |
| 925 num_mask = mask; break; | |
| 926 case XK_Alt_L: | |
| 927 alt_l_mask = mask; break; | |
| 928 case XK_Alt_R: | |
| 929 alt_r_mask = mask; break; | |
| 930 case XK_Meta_L: | |
| 931 meta_l_mask = mask; break; | |
| 932 case XK_Meta_R: | |
| 933 meta_r_mask = mask; break; | |
| 934 case XK_Mode_switch: | |
| 935 mode_switch_mask = mask; break; | |
| 936 } | |
| 937 } | |
| 938 } | |
|
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939 pXFreeModifiermap(xmods); |
| 0 | 940 got_masks = 1; |
| 941 } | |
| 942 | |
| 943 | |
| 944 /* | |
| 945 * This function is semi-official; it is not officially exported and should | |
| 946 * not be considered part of the SDL API, but may be used by client code | |
| 947 * that *really* needs it (including legacy code). | |
| 948 * It is slow, though, and should be avoided if possible. | |
| 949 * | |
| 950 * Note that it isn't completely accurate either; in particular, multi-key | |
| 951 * sequences (dead accents, compose key sequences) will not work since the | |
| 952 * state has been irrevocably lost. | |
| 953 */ | |
| 954 Uint16 X11_KeyToUnicode(SDLKey keysym, SDLMod modifiers) | |
| 955 { | |
| 956 struct SDL_VideoDevice *this = current_video; | |
| 957 char keybuf[32]; | |
| 958 int i; | |
| 959 KeySym xsym = 0; | |
| 960 XKeyEvent xkey; | |
| 961 Uint16 unicode; | |
| 962 | |
| 963 if ( !this || !SDL_Display ) { | |
| 964 return 0; | |
| 965 } | |
| 966 | |
|
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967 SDL_memset(&xkey, 0, sizeof(xkey)); |
| 0 | 968 xkey.display = SDL_Display; |
| 969 | |
| 970 xsym = keysym; /* last resort if not found */ | |
| 971 for (i = 0; i < 256; ++i) { | |
| 972 if ( MISC_keymap[i] == keysym ) { | |
| 973 xsym = 0xFF00 | i; | |
| 974 break; | |
| 975 } else if ( ODD_keymap[i] == keysym ) { | |
| 976 xsym = 0xFE00 | i; | |
| 977 break; | |
| 978 } | |
| 979 } | |
| 980 | |
|
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parents:
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981 xkey.keycode = pXKeysymToKeycode(xkey.display, xsym); |
| 0 | 982 |
| 983 get_modifier_masks(SDL_Display); | |
| 984 if(modifiers & KMOD_SHIFT) | |
| 985 xkey.state |= ShiftMask; | |
| 986 if(modifiers & KMOD_CAPS) | |
| 987 xkey.state |= LockMask; | |
| 988 if(modifiers & KMOD_CTRL) | |
| 989 xkey.state |= ControlMask; | |
| 990 if(modifiers & KMOD_MODE) | |
| 991 xkey.state |= mode_switch_mask; | |
| 992 if(modifiers & KMOD_LALT) | |
| 993 xkey.state |= alt_l_mask; | |
| 994 if(modifiers & KMOD_RALT) | |
| 995 xkey.state |= alt_r_mask; | |
| 996 if(modifiers & KMOD_LMETA) | |
| 997 xkey.state |= meta_l_mask; | |
| 998 if(modifiers & KMOD_RMETA) | |
| 999 xkey.state |= meta_r_mask; | |
| 1000 if(modifiers & KMOD_NUM) | |
| 1001 xkey.state |= num_mask; | |
| 1002 | |
| 1003 unicode = 0; | |
|
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1004 if ( pXLookupString(&xkey, keybuf, sizeof(keybuf), NULL, NULL) ) |
| 0 | 1005 unicode = (unsigned char)keybuf[0]; |
| 1006 return(unicode); | |
| 1007 } | |
| 1008 | |
|
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1009 |
| 0 | 1010 /* |
| 1011 * Called when focus is regained, to read the keyboard state and generate | |
| 1012 * synthetic keypress/release events. | |
| 1013 * key_vec is a bit vector of keycodes (256 bits) | |
| 1014 */ | |
| 1327 | 1015 void X11_SetKeyboardState(Display *display, const char *key_vec) |
| 0 | 1016 { |
| 1017 char keys_return[32]; | |
|
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1018 int i; |
| 0 | 1019 Uint8 *kstate = SDL_GetKeyState(NULL); |
|
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1020 SDLMod modstate; |
|
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1021 Window junk_window; |
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1022 int x, y; |
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1023 unsigned int mask; |
| 0 | 1024 |
| 1025 /* The first time the window is mapped, we initialize key state */ | |
| 1026 if ( ! key_vec ) { | |
|
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1027 pXQueryKeymap(display, keys_return); |
| 0 | 1028 key_vec = keys_return; |
| 1029 } | |
| 1030 | |
|
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1031 /* Get the keyboard modifier state */ |
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1032 modstate = 0; |
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1033 get_modifier_masks(display); |
|
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1034 if ( pXQueryPointer(display, DefaultRootWindow(display), |
|
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1035 &junk_window, &junk_window, &x, &y, &x, &y, &mask) ) { |
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1036 if ( mask & LockMask ) { |
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1037 modstate |= KMOD_CAPS; |
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1038 } |
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1039 if ( mask & mode_switch_mask ) { |
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1040 modstate |= KMOD_MODE; |
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1041 } |
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1042 if ( mask & num_mask ) { |
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1043 modstate |= KMOD_NUM; |
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1044 } |
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1045 } |
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1046 |
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1047 /* Zero the new keyboard state and generate it */ |
|
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1048 SDL_memset(kstate, 0, SDLK_LAST); |
| 0 | 1049 /* |
| 1050 * An obvious optimisation is to check entire longwords at a time in | |
| 1051 * both loops, but we can't be sure the arrays are aligned so it's not | |
| 1052 * worth the extra complexity | |
| 1053 */ | |
| 1327 | 1054 for ( i = 0; i < 32; i++ ) { |
| 0 | 1055 int j; |
| 1327 | 1056 if ( !key_vec[i] ) |
| 0 | 1057 continue; |
| 1327 | 1058 for ( j = 0; j < 8; j++ ) { |
| 1059 if ( key_vec[i] & (1 << j) ) { | |
| 1060 SDLKey key; | |
| 1061 KeyCode kc = (i << 3 | j); | |
| 1062 key = X11_TranslateKeycode(display, kc); | |
| 1063 if ( key == SDLK_UNKNOWN ) { | |
| 1064 continue; | |
| 1065 } | |
| 1066 kstate[key] = SDL_PRESSED; | |
| 1067 switch (key) { | |
| 1068 case SDLK_LSHIFT: | |
|
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1069 modstate |= KMOD_LSHIFT; |
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1070 break; |
| 1327 | 1071 case SDLK_RSHIFT: |
|
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diff
changeset
|
1072 modstate |= KMOD_RSHIFT; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1073 break; |
| 1327 | 1074 case SDLK_LCTRL: |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1075 modstate |= KMOD_LCTRL; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1076 break; |
| 1327 | 1077 case SDLK_RCTRL: |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1078 modstate |= KMOD_RCTRL; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1079 break; |
| 1327 | 1080 case SDLK_LALT: |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1081 modstate |= KMOD_LALT; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1082 break; |
| 1327 | 1083 case SDLK_RALT: |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1084 modstate |= KMOD_RALT; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1085 break; |
| 1327 | 1086 case SDLK_LMETA: |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1087 modstate |= KMOD_LMETA; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1088 break; |
| 1327 | 1089 case SDLK_RMETA: |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1090 modstate |= KMOD_RMETA; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1091 break; |
| 1327 | 1092 default: |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1093 break; |
| 1327 | 1094 } |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1095 } |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1096 } |
| 0 | 1097 } |
|
111
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1098 |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1099 /* Hack - set toggle key state */ |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1100 if ( modstate & KMOD_CAPS ) { |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1101 kstate[SDLK_CAPSLOCK] = SDL_PRESSED; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1102 } else { |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1103 kstate[SDLK_CAPSLOCK] = SDL_RELEASED; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1104 } |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1105 if ( modstate & KMOD_NUM ) { |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1106 kstate[SDLK_NUMLOCK] = SDL_PRESSED; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1107 } else { |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1108 kstate[SDLK_NUMLOCK] = SDL_RELEASED; |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1109 } |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1110 |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1111 /* Set the final modifier state */ |
|
53e3d8ba4321
Now gets correct keyboard state when starting up on X11
Sam Lantinga <slouken@lokigames.com>
parents:
88
diff
changeset
|
1112 SDL_SetModState(modstate); |
| 0 | 1113 } |
| 1114 | |
| 1115 void X11_InitOSKeymap(_THIS) | |
| 1116 { | |
| 1117 X11_InitKeymap(); | |
| 1118 } | |
| 1119 |