442
+ − 1 /* The mswindows event_stream interface.
428
+ − 2 Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+ − 3 Copyright (C) 1995 Sun Microsystems, Inc.
442
+ − 4 Copyright (C) 1996, 2000 Ben Wing.
428
+ − 5 Copyright (C) 1997 Jonathan Harris.
+ − 6
+ − 7 This file is part of XEmacs.
+ − 8
+ − 9 XEmacs is free software; you can redistribute it and/or modify it
+ − 10 under the terms of the GNU General Public License as published by the
+ − 11 Free Software Foundation; either version 2, or (at your option) any
+ − 12 later version.
+ − 13
+ − 14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ − 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ − 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ − 17 for more details.
+ − 18
+ − 19 You should have received a copy of the GNU General Public License
+ − 20 along with XEmacs; see the file COPYING. If not, write to
+ − 21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ − 22 Boston, MA 02111-1307, USA. */
+ − 23
+ − 24 /* Synched up with: Not in FSF. */
+ − 25
+ − 26 /* Authorship:
+ − 27
+ − 28 Ultimately based on FSF.
+ − 29 Rewritten by Ben Wing.
+ − 30 Rewritten for mswindows by Jonathan Harris, November 1997 for 21.0.
+ − 31 Subprocess and modal loop support by Kirill M. Katsnelson.
+ − 32 */
+ − 33
+ − 34 #include <config.h>
+ − 35 #include "lisp.h"
+ − 36
+ − 37 #include "console-msw.h"
+ − 38
+ − 39 #ifdef HAVE_SCROLLBARS
+ − 40 # include "scrollbar-msw.h"
+ − 41 #endif
+ − 42
+ − 43 #ifdef HAVE_MENUBARS
442
+ − 44 # include "menubar.h"
428
+ − 45 # include "menubar-msw.h"
+ − 46 #endif
+ − 47
+ − 48 #ifdef HAVE_DRAGNDROP
+ − 49 # include "dragdrop.h"
+ − 50 #endif
+ − 51
+ − 52 #include "device.h"
+ − 53 #include "events.h"
+ − 54 #include "frame.h"
+ − 55 #include "buffer.h"
+ − 56 #include "faces.h"
+ − 57 #include "lstream.h"
+ − 58 #include "process.h"
+ − 59 #include "redisplay.h"
430
+ − 60 #include "select.h"
442
+ − 61 #include "window.h"
428
+ − 62 #include "sysproc.h"
+ − 63 #include "syswait.h"
+ − 64 #include "systime.h"
+ − 65 #include "sysdep.h"
+ − 66 #include "objects-msw.h"
+ − 67
+ − 68 #ifdef HAVE_MSG_SELECT
+ − 69 #include "sysfile.h"
+ − 70 #include "console-tty.h"
442
+ − 71 #elif defined(CYGWIN)
428
+ − 72 typedef unsigned int SOCKET;
+ − 73 #endif
+ − 74 #include <io.h>
+ − 75 #include <errno.h>
+ − 76
442
+ − 77 #if !(defined(CYGWIN) || defined(MINGW))
+ − 78 # include <shlobj.h> /* For IShellLink */
428
+ − 79 #endif
+ − 80
+ − 81 #ifdef HAVE_MENUBARS
+ − 82 #define ADJR_MENUFLAG TRUE
+ − 83 #else
+ − 84 #define ADJR_MENUFLAG FALSE
+ − 85 #endif
+ − 86
+ − 87 /* Fake key modifier which is attached to a quit char event.
+ − 88 Removed upon dequeueing an event */
502
+ − 89 #define FAKE_MOD_QUIT (1 << 20)
+ − 90 #define FAKE_MOD_QUIT_CRITICAL (1 << 21)
428
+ − 91
+ − 92 /* Timer ID used for button2 emulation */
+ − 93 #define BUTTON_2_TIMER_ID 1
+ − 94
+ − 95 static Lisp_Object mswindows_find_frame (HWND hwnd);
+ − 96 static Lisp_Object mswindows_find_console (HWND hwnd);
+ − 97 static Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
+ − 98 int extendedp);
442
+ − 99 static int mswindows_modifier_state (BYTE* keymap, DWORD fwKeys,
+ − 100 int has_AltGr);
428
+ − 101 static void mswindows_set_chord_timer (HWND hwnd);
+ − 102 static int mswindows_button2_near_enough (POINTS p1, POINTS p2);
+ − 103 static int mswindows_current_layout_has_AltGr (void);
442
+ − 104 static int mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
+ − 105 int downp, int keyp);
428
+ − 106
+ − 107 static struct event_stream *mswindows_event_stream;
+ − 108
+ − 109 #ifdef HAVE_MSG_SELECT
+ − 110 extern SELECT_TYPE input_wait_mask, non_fake_input_wait_mask;
+ − 111 extern SELECT_TYPE process_only_mask, tty_only_mask;
+ − 112 SELECT_TYPE zero_mask;
+ − 113 extern int signal_event_pipe_initialized;
+ − 114 int windows_fd;
+ − 115 #endif
+ − 116
+ − 117 /*
+ − 118 * Two separate queues, for efficiency, one (_u_) for user events, and
+ − 119 * another (_s_) for non-user ones. We always return events out of the
+ − 120 * first one until it is empty and only then proceed with the second
+ − 121 * one.
+ − 122 */
+ − 123 static Lisp_Object mswindows_u_dispatch_event_queue, mswindows_u_dispatch_event_queue_tail;
+ − 124 static Lisp_Object mswindows_s_dispatch_event_queue, mswindows_s_dispatch_event_queue_tail;
+ − 125
+ − 126 /* The number of things we can wait on */
+ − 127 #define MAX_WAITABLE (MAXIMUM_WAIT_OBJECTS - 1)
+ − 128
+ − 129 #ifndef HAVE_MSG_SELECT
+ − 130 /* List of mswindows waitable handles. */
+ − 131 static HANDLE mswindows_waitable_handles[MAX_WAITABLE];
+ − 132
+ − 133 /* Number of wait handles */
+ − 134 static int mswindows_waitable_count=0;
+ − 135 #endif /* HAVE_MSG_SELECT */
442
+ − 136
428
+ − 137 /* Brush for painting widgets */
+ − 138 static HBRUSH widget_brush = 0;
+ − 139 static LONG last_widget_brushed = 0;
+ − 140
+ − 141 /* Count of quit chars currently in the queue */
+ − 142 /* Incremented in WM_[SYS]KEYDOWN handler in the mswindows_wnd_proc()
+ − 143 Decremented in mswindows_dequeue_dispatch_event() */
+ − 144 int mswindows_quit_chars_count = 0;
+ − 145
+ − 146 /* These are Lisp integers; see DEFVARS in this file for description. */
+ − 147 int mswindows_dynamic_frame_resize;
442
+ − 148 int mswindows_alt_by_itself_activates_menu;
458
+ − 149 Fixnum mswindows_num_mouse_buttons;
+ − 150 Fixnum mswindows_mouse_button_max_skew_x;
+ − 151 Fixnum mswindows_mouse_button_max_skew_y;
+ − 152 Fixnum mswindows_mouse_button_tolerance;
428
+ − 153
442
+ − 154 #ifdef DEBUG_XEMACS
458
+ − 155 Fixnum debug_mswindows_events;
442
+ − 156 #endif
+ − 157
428
+ − 158 /* This is the event signaled by the event pump.
+ − 159 See mswindows_pump_outstanding_events for comments */
+ − 160 static Lisp_Object mswindows_error_caught_in_modal_loop;
+ − 161 static int mswindows_in_modal_loop;
+ − 162
+ − 163 /* Count of wound timers */
+ − 164 static int mswindows_pending_timers_count;
442
+ − 165
+ − 166 static DWORD mswindows_last_mouse_button_state;
428
+ − 167
+ − 168 /************************************************************************/
+ − 169 /* Pipe instream - reads process output */
+ − 170 /************************************************************************/
+ − 171
+ − 172 #define PIPE_READ_DELAY 20
+ − 173
+ − 174 #define HANDLE_TO_USID(h) ((USID)(h))
+ − 175
+ − 176 #define NTPIPE_SLURP_STREAM_DATA(stream) \
+ − 177 LSTREAM_TYPE_DATA (stream, ntpipe_slurp)
+ − 178
+ − 179 /* This structure is allocated by the main thread, and is deallocated
+ − 180 in the thread upon exit. There are situations when a thread
+ − 181 remains blocked for a long time, much longer than the lstream
+ − 182 exists. For example, "start notepad" command is issued from the
+ − 183 shell, then the shell is closed by C-c C-d. Although the shell
+ − 184 process exits, its output pipe will not get closed until the
+ − 185 notepad process exits also, because it inherits the pipe form the
+ − 186 shell. In this case, we abandon the thread, and let it live until
+ − 187 all such processes exit. While struct ntpipe_slurp_stream is
+ − 188 deallocated in this case, ntpipe_slurp_stream_shared_data are not. */
+ − 189
+ − 190 struct ntpipe_slurp_stream_shared_data
+ − 191 {
+ − 192 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
442
+ − 193 /* This is a manual-reset object. */
428
+ − 194 HANDLE hev_caller; /* Caller blocks on this, and we signal it */
442
+ − 195 /* This is a manual-reset object. */
428
+ − 196 HANDLE hev_unsleep; /* Pipe read delay is canceled if this is set */
442
+ − 197 /* This is a manual-reset object. */
428
+ − 198 HANDLE hpipe; /* Pipe read end handle. */
+ − 199 LONG die_p; /* Thread must exit ASAP if non-zero */
+ − 200 BOOL eof_p : 1; /* Set when thread saw EOF */
+ − 201 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
+ − 202 BOOL inuse_p : 1; /* this structure is in use */
+ − 203 LONG lock_count; /* Client count of this struct, 0=safe to free */
+ − 204 BYTE onebyte; /* One byte buffer read by thread */
+ − 205 };
+ − 206
+ − 207 #define MAX_SLURP_STREAMS 32
+ − 208 struct ntpipe_slurp_stream_shared_data
+ − 209 shared_data_block[MAX_SLURP_STREAMS]={{0}};
+ − 210
+ − 211 struct ntpipe_slurp_stream
+ − 212 {
+ − 213 LPARAM user_data; /* Any user data stored in the stream object */
+ − 214 struct ntpipe_slurp_stream_shared_data* thread_data;
+ − 215 };
+ − 216
+ − 217 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-input", lstream_ntpipe_slurp,
+ − 218 sizeof (struct ntpipe_slurp_stream));
+ − 219
+ − 220 /* This function is thread-safe, and is called from either thread
+ − 221 context. It serializes freeing shared data structure */
+ − 222 static void
+ − 223 slurper_free_shared_data_maybe (struct ntpipe_slurp_stream_shared_data* s)
+ − 224 {
+ − 225 if (InterlockedDecrement (&s->lock_count) == 0)
+ − 226 {
+ − 227 /* Destroy events */
+ − 228 CloseHandle (s->hev_thread);
+ − 229 CloseHandle (s->hev_caller);
+ − 230 CloseHandle (s->hev_unsleep);
+ − 231 s->inuse_p = 0;
+ − 232 }
+ − 233 }
+ − 234
+ − 235 static struct ntpipe_slurp_stream_shared_data*
442
+ − 236 slurper_allocate_shared_data (void)
428
+ − 237 {
+ − 238 int i=0;
+ − 239 for (i=0; i<MAX_SLURP_STREAMS; i++)
+ − 240 {
+ − 241 if (!shared_data_block[i].inuse_p)
+ − 242 {
+ − 243 shared_data_block[i].inuse_p=1;
+ − 244 return &shared_data_block[i];
+ − 245 }
+ − 246 }
+ − 247 return (struct ntpipe_slurp_stream_shared_data*)0;
+ − 248 }
+ − 249
+ − 250 static DWORD WINAPI
+ − 251 slurp_thread (LPVOID vparam)
+ − 252 {
+ − 253 struct ntpipe_slurp_stream_shared_data *s =
+ − 254 (struct ntpipe_slurp_stream_shared_data*)vparam;
+ − 255
+ − 256 for (;;)
+ − 257 {
+ − 258 /* Read one byte from the pipe */
+ − 259 DWORD actually_read;
+ − 260 if (!ReadFile (s->hpipe, &s->onebyte, 1, &actually_read, NULL))
+ − 261 {
+ − 262 DWORD err = GetLastError ();
+ − 263 if (err == ERROR_BROKEN_PIPE || err == ERROR_NO_DATA)
+ − 264 s->eof_p = TRUE;
+ − 265 else
+ − 266 s->error_p = TRUE;
+ − 267 }
+ − 268 else if (actually_read == 0)
+ − 269 s->eof_p = TRUE;
+ − 270
+ − 271 /* We must terminate on an error or eof */
+ − 272 if (s->eof_p || s->error_p)
+ − 273 InterlockedIncrement (&s->die_p);
+ − 274
+ − 275 /* Before we notify caller, we unsignal our event. */
+ − 276 ResetEvent (s->hev_thread);
+ − 277
+ − 278 /* Now we got something to notify caller, either a byte or an
+ − 279 error/eof indication. Before we do, allow internal pipe
+ − 280 buffer to accumulate little bit more data.
+ − 281 Reader function pulses this event before waiting for
+ − 282 a character, to avoid pipe delay, and to get the byte
+ − 283 immediately. */
+ − 284 if (!s->die_p)
+ − 285 WaitForSingleObject (s->hev_unsleep, PIPE_READ_DELAY);
+ − 286
+ − 287 /* Either make event loop generate a process event, or
+ − 288 inblock reader */
+ − 289 SetEvent (s->hev_caller);
+ − 290
+ − 291 /* Cleanup and exit if we're shot off */
+ − 292 if (s->die_p)
+ − 293 break;
+ − 294
+ − 295 /* Block until the client finishes with retrieving the rest of
+ − 296 pipe data */
+ − 297 WaitForSingleObject (s->hev_thread, INFINITE);
+ − 298 }
+ − 299
+ − 300 slurper_free_shared_data_maybe (s);
+ − 301
+ − 302 return 0;
+ − 303 }
+ − 304
+ − 305 static Lisp_Object
+ − 306 make_ntpipe_input_stream (HANDLE hpipe, LPARAM param)
+ − 307 {
+ − 308 Lisp_Object obj;
+ − 309 Lstream *lstr = Lstream_new (lstream_ntpipe_slurp, "r");
+ − 310 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA (lstr);
+ − 311 DWORD thread_id_unused;
+ − 312 HANDLE hthread;
+ − 313
+ − 314 /* We deal only with pipes, for we're using PeekNamedPipe api */
+ − 315 assert (GetFileType (hpipe) == FILE_TYPE_PIPE);
+ − 316
+ − 317 s->thread_data = slurper_allocate_shared_data();
+ − 318
+ − 319 /* Create reader thread. This could fail, so do not create events
+ − 320 until thread is created */
+ − 321 hthread = CreateThread (NULL, 0, slurp_thread, (LPVOID)s->thread_data,
+ − 322 CREATE_SUSPENDED, &thread_id_unused);
+ − 323 if (hthread == NULL)
+ − 324 {
+ − 325 Lstream_delete (lstr);
+ − 326 s->thread_data->inuse_p=0;
+ − 327 return Qnil;
+ − 328 }
+ − 329
+ − 330 /* Shared data are initially owned by both main and slurper
+ − 331 threads. */
+ − 332 s->thread_data->lock_count = 2;
+ − 333 s->thread_data->die_p = 0;
+ − 334 s->thread_data->eof_p = FALSE;
+ − 335 s->thread_data->error_p = FALSE;
+ − 336 s->thread_data->hpipe = hpipe;
+ − 337 s->user_data = param;
+ − 338
+ − 339 /* hev_thread is a manual-reset event, initially signaled */
+ − 340 s->thread_data->hev_thread = CreateEvent (NULL, TRUE, TRUE, NULL);
+ − 341 /* hev_caller is a manual-reset event, initially nonsignaled */
+ − 342 s->thread_data->hev_caller = CreateEvent (NULL, TRUE, FALSE, NULL);
+ − 343 /* hev_unsleep is a manual-reset event, initially nonsignaled */
+ − 344 s->thread_data->hev_unsleep = CreateEvent (NULL, TRUE, FALSE, NULL);
+ − 345
+ − 346 /* Now let it go */
+ − 347 ResumeThread (hthread);
+ − 348 CloseHandle (hthread);
+ − 349
+ − 350 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
+ − 351 XSETLSTREAM (obj, lstr);
+ − 352 return obj;
+ − 353 }
+ − 354
+ − 355 static LPARAM
+ − 356 get_ntpipe_input_stream_param (Lstream *stream)
+ − 357 {
+ − 358 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
+ − 359 return s->user_data;
+ − 360 }
+ − 361
+ − 362 static HANDLE
+ − 363 get_ntpipe_input_stream_waitable (Lstream *stream)
+ − 364 {
+ − 365 struct ntpipe_slurp_stream* s = NTPIPE_SLURP_STREAM_DATA(stream);
+ − 366 return s->thread_data->hev_caller;
+ − 367 }
+ − 368
462
+ − 369 static Lstream_data_count
+ − 370 ntpipe_slurp_reader (Lstream *stream, unsigned char *data,
+ − 371 Lstream_data_count size)
428
+ − 372 {
+ − 373 /* This function must be called from the main thread only */
+ − 374 struct ntpipe_slurp_stream_shared_data* s =
+ − 375 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
+ − 376
+ − 377 if (!s->die_p)
+ − 378 {
+ − 379 DWORD wait_result;
+ − 380 /* Disallow pipe read delay for the thread: we need a character
+ − 381 ASAP */
+ − 382 SetEvent (s->hev_unsleep);
+ − 383
+ − 384 /* Check if we have a character ready. Give it a short delay,
+ − 385 for the thread to awake from pipe delay, just ion case*/
+ − 386 wait_result = WaitForSingleObject (s->hev_caller, 2);
+ − 387
+ − 388 /* Revert to the normal sleep behavior. */
+ − 389 ResetEvent (s->hev_unsleep);
+ − 390
+ − 391 /* If there's no byte buffered yet, give up */
+ − 392 if (wait_result == WAIT_TIMEOUT)
+ − 393 {
+ − 394 errno = EAGAIN;
+ − 395 return -1;
+ − 396 }
+ − 397 }
+ − 398
+ − 399 /* Reset caller unlock event now, as we've handled the pending
+ − 400 process output event */
+ − 401 ResetEvent (s->hev_caller);
+ − 402
+ − 403 /* It is now safe to do anything with contents of S, except for
+ − 404 changing s->die_p, which still should be interlocked */
+ − 405
+ − 406 if (s->eof_p)
+ − 407 return 0;
+ − 408 if (s->error_p || s->die_p)
+ − 409 return -1;
+ − 410
+ − 411 /* Ok, there were no error neither eof - we've got a byte from the
+ − 412 pipe */
+ − 413 *(data++) = s->onebyte;
+ − 414 --size;
+ − 415
+ − 416 {
+ − 417 DWORD bytes_read = 0;
+ − 418 if (size > 0)
+ − 419 {
+ − 420 DWORD bytes_available;
+ − 421
+ − 422 /* If the api call fails, return at least one byte already
+ − 423 read. ReadFile in thread will return error */
+ − 424 if (PeekNamedPipe (s->hpipe, NULL, 0, NULL, &bytes_available, NULL))
+ − 425 {
+ − 426
+ − 427 /* Fetch available bytes. The same consideration applies,
+ − 428 so do not check for errors. ReadFile in the thread will
+ − 429 fail if the next call fails. */
+ − 430 if (bytes_available)
+ − 431 ReadFile (s->hpipe, data, min (bytes_available, size),
+ − 432 &bytes_read, NULL);
+ − 433 }
+ − 434
+ − 435 /* Now we can unblock thread, so it attempts to read more */
+ − 436 SetEvent (s->hev_thread);
+ − 437 return bytes_read + 1;
+ − 438 }
+ − 439 }
+ − 440 return 0;
+ − 441 }
+ − 442
+ − 443 static int
+ − 444 ntpipe_slurp_closer (Lstream *stream)
+ − 445 {
+ − 446 /* This function must be called from the main thread only */
+ − 447 struct ntpipe_slurp_stream_shared_data* s =
+ − 448 NTPIPE_SLURP_STREAM_DATA(stream)->thread_data;
+ − 449
+ − 450 /* Force thread to stop */
+ − 451 InterlockedIncrement (&s->die_p);
+ − 452
+ − 453 /* Set events which could possibly block slurper. Let it finish soon
+ − 454 or later. */
+ − 455 SetEvent (s->hev_unsleep);
+ − 456 SetEvent (s->hev_thread);
+ − 457
+ − 458 /* Unlock and maybe free shared data */
+ − 459 slurper_free_shared_data_maybe (s);
+ − 460
+ − 461 return 0;
+ − 462 }
+ − 463
+ − 464 static void
+ − 465 init_slurp_stream (void)
+ − 466 {
+ − 467 LSTREAM_HAS_METHOD (ntpipe_slurp, reader);
+ − 468 LSTREAM_HAS_METHOD (ntpipe_slurp, closer);
+ − 469 }
+ − 470
+ − 471 /************************************************************************/
+ − 472 /* Pipe outstream - writes process input */
+ − 473 /************************************************************************/
+ − 474
+ − 475 #define NTPIPE_SHOVE_STREAM_DATA(stream) \
+ − 476 LSTREAM_TYPE_DATA (stream, ntpipe_shove)
+ − 477
442
+ − 478 #define MAX_SHOVE_BUFFER_SIZE 512
428
+ − 479
+ − 480 struct ntpipe_shove_stream
+ − 481 {
+ − 482 LPARAM user_data; /* Any user data stored in the stream object */
+ − 483 HANDLE hev_thread; /* Our thread blocks on this, signaled by caller */
442
+ − 484 /* This is an auto-reset object. */
428
+ − 485 HANDLE hpipe; /* Pipe write end handle. */
+ − 486 HANDLE hthread; /* Reader thread handle. */
+ − 487 char buffer[MAX_SHOVE_BUFFER_SIZE]; /* Buffer being written */
+ − 488 DWORD size; /* Number of bytes to write */
+ − 489 LONG die_p; /* Thread must exit ASAP if non-zero */
+ − 490 LONG idle_p; /* Non-zero if thread is waiting for job */
+ − 491 BOOL error_p : 1; /* Read error other than EOF/broken pipe */
+ − 492 BOOL blocking_p : 1;/* Last write attempt would cause blocking */
+ − 493 };
+ − 494
+ − 495 DEFINE_LSTREAM_IMPLEMENTATION ("ntpipe-output", lstream_ntpipe_shove,
+ − 496 sizeof (struct ntpipe_shove_stream));
+ − 497
+ − 498 #ifndef HAVE_MSG_SELECT
+ − 499 static DWORD WINAPI
+ − 500 shove_thread (LPVOID vparam)
+ − 501 {
+ − 502 struct ntpipe_shove_stream *s = (struct ntpipe_shove_stream*) vparam;
+ − 503
+ − 504 for (;;)
+ − 505 {
+ − 506 DWORD bytes_written;
+ − 507
+ − 508 /* Block on event and wait for a job */
+ − 509 InterlockedIncrement (&s->idle_p);
+ − 510 WaitForSingleObject (s->hev_thread, INFINITE);
+ − 511
442
+ − 512 /* Write passed buffer if any */
+ − 513 if (s->size > 0)
428
+ − 514 {
442
+ − 515 if (!WriteFile (s->hpipe, s->buffer, s->size, &bytes_written, NULL)
+ − 516 || bytes_written != s->size)
+ − 517 {
+ − 518 s->error_p = TRUE;
+ − 519 InterlockedIncrement (&s->die_p);
+ − 520 }
+ − 521 /* Set size to zero so we won't write it again if the closer sets
+ − 522 die_p and kicks us */
+ − 523 s->size = 0;
428
+ − 524 }
+ − 525
+ − 526 if (s->die_p)
+ − 527 break;
+ − 528 }
+ − 529
+ − 530 return 0;
+ − 531 }
+ − 532
+ − 533 static Lisp_Object
+ − 534 make_ntpipe_output_stream (HANDLE hpipe, LPARAM param)
+ − 535 {
+ − 536 Lisp_Object obj;
+ − 537 Lstream *lstr = Lstream_new (lstream_ntpipe_shove, "w");
+ − 538 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA (lstr);
+ − 539 DWORD thread_id_unused;
+ − 540
+ − 541 s->die_p = 0;
+ − 542 s->error_p = FALSE;
+ − 543 s->hpipe = hpipe;
+ − 544 s->user_data = param;
+ − 545
+ − 546 /* Create reader thread. This could fail, so do not
+ − 547 create the event until thread is created */
+ − 548 s->hthread = CreateThread (NULL, 0, shove_thread, (LPVOID)s,
+ − 549 CREATE_SUSPENDED, &thread_id_unused);
+ − 550 if (s->hthread == NULL)
+ − 551 {
+ − 552 Lstream_delete (lstr);
+ − 553 return Qnil;
+ − 554 }
+ − 555
442
+ − 556 /* Set the priority of the thread higher so we don't end up waiting
+ − 557 on it to send things. */
+ − 558 if (!SetThreadPriority (s->hthread, THREAD_PRIORITY_HIGHEST))
+ − 559 {
+ − 560 CloseHandle (s->hthread);
+ − 561 Lstream_delete (lstr);
+ − 562 return Qnil;
+ − 563 }
+ − 564
428
+ − 565 /* hev_thread is an auto-reset event, initially nonsignaled */
+ − 566 s->hev_thread = CreateEvent (NULL, FALSE, FALSE, NULL);
+ − 567
+ − 568 /* Now let it go */
+ − 569 ResumeThread (s->hthread);
+ − 570
+ − 571 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
+ − 572 XSETLSTREAM (obj, lstr);
+ − 573 return obj;
+ − 574 }
+ − 575
+ − 576 static LPARAM
+ − 577 get_ntpipe_output_stream_param (Lstream *stream)
+ − 578 {
+ − 579 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
+ − 580 return s->user_data;
+ − 581 }
+ − 582 #endif
+ − 583
462
+ − 584 static Lstream_data_count
+ − 585 ntpipe_shove_writer (Lstream *stream, const unsigned char *data,
+ − 586 Lstream_data_count size)
428
+ − 587 {
+ − 588 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
+ − 589
+ − 590 if (s->error_p)
+ − 591 return -1;
+ − 592
+ − 593 s->blocking_p = !s->idle_p;
+ − 594 if (s->blocking_p)
+ − 595 return 0;
+ − 596
+ − 597 if (size>MAX_SHOVE_BUFFER_SIZE)
+ − 598 return 0;
+ − 599
+ − 600 memcpy (s->buffer, data, size);
+ − 601 s->size = size;
+ − 602
+ − 603 /* Start output */
+ − 604 InterlockedDecrement (&s->idle_p);
+ − 605 SetEvent (s->hev_thread);
442
+ − 606 /* Give it a chance to run -- this dramatically improves performance
+ − 607 of things like crypt. */
+ − 608 if (xSwitchToThread) /* not in Win9x or NT 3.51 */
+ − 609 (void) xSwitchToThread ();
428
+ − 610 return size;
+ − 611 }
+ − 612
+ − 613 static int
+ − 614 ntpipe_shove_was_blocked_p (Lstream *stream)
+ − 615 {
+ − 616 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
+ − 617 return s->blocking_p;
+ − 618 }
+ − 619
+ − 620 static int
+ − 621 ntpipe_shove_closer (Lstream *stream)
+ − 622 {
+ − 623 struct ntpipe_shove_stream* s = NTPIPE_SHOVE_STREAM_DATA(stream);
+ − 624
+ − 625 /* Force thread stop */
+ − 626 InterlockedIncrement (&s->die_p);
+ − 627
442
+ − 628 /* Thread will end upon unblocking. If it's already unblocked this will
+ − 629 do nothing, but the thread won't look at die_p until it's written any
+ − 630 pending output. */
428
+ − 631 SetEvent (s->hev_thread);
+ − 632
+ − 633 /* Wait while thread terminates */
+ − 634 WaitForSingleObject (s->hthread, INFINITE);
442
+ − 635
+ − 636 /* Close pipe handle, possibly breaking it */
+ − 637 CloseHandle (s->hpipe);
+ − 638
+ − 639 /* Close the thread handle */
428
+ − 640 CloseHandle (s->hthread);
+ − 641
+ − 642 /* Destroy the event */
+ − 643 CloseHandle (s->hev_thread);
+ − 644
+ − 645 return 0;
+ − 646 }
+ − 647
+ − 648 static void
+ − 649 init_shove_stream (void)
+ − 650 {
+ − 651 LSTREAM_HAS_METHOD (ntpipe_shove, writer);
+ − 652 LSTREAM_HAS_METHOD (ntpipe_shove, was_blocked_p);
+ − 653 LSTREAM_HAS_METHOD (ntpipe_shove, closer);
+ − 654 }
+ − 655
+ − 656 /************************************************************************/
+ − 657 /* Winsock I/O stream */
+ − 658 /************************************************************************/
+ − 659 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
+ − 660
+ − 661 #define WINSOCK_READ_BUFFER_SIZE 1024
+ − 662
+ − 663 struct winsock_stream
+ − 664 {
+ − 665 LPARAM user_data; /* Any user data stored in the stream object */
+ − 666 SOCKET s; /* Socket handle (which is a Win32 handle) */
+ − 667 OVERLAPPED ov; /* Overlapped I/O structure */
+ − 668 void* buffer; /* Buffer. Allocated for input stream only */
442
+ − 669 unsigned long bufsize; /* Number of bytes last read */
+ − 670 unsigned long bufpos; /* Position in buffer for next fetch */
428
+ − 671 unsigned int error_p :1; /* I/O Error seen */
+ − 672 unsigned int eof_p :1; /* EOF Error seen */
+ − 673 unsigned int pending_p :1; /* There is a pending I/O operation */
+ − 674 unsigned int blocking_p :1; /* Last write attempt would block */
+ − 675 };
+ − 676
+ − 677 #define WINSOCK_STREAM_DATA(stream) LSTREAM_TYPE_DATA (stream, winsock)
+ − 678
+ − 679 DEFINE_LSTREAM_IMPLEMENTATION ("winsock", lstream_winsock,
+ − 680 sizeof (struct winsock_stream));
+ − 681
+ − 682 static void
+ − 683 winsock_initiate_read (struct winsock_stream *str)
+ − 684 {
+ − 685 ResetEvent (str->ov.hEvent);
+ − 686 str->bufpos = 0;
+ − 687
+ − 688 if (!ReadFile ((HANDLE)str->s, str->buffer, WINSOCK_READ_BUFFER_SIZE,
+ − 689 &str->bufsize, &str->ov))
+ − 690 {
+ − 691 if (GetLastError () == ERROR_IO_PENDING)
+ − 692 str->pending_p = 1;
+ − 693 else if (GetLastError () == ERROR_HANDLE_EOF)
+ − 694 str->eof_p = 1;
+ − 695 else
+ − 696 str->error_p = 1;
+ − 697 }
+ − 698 else if (str->bufsize == 0)
+ − 699 str->eof_p = 1;
+ − 700 }
+ − 701
462
+ − 702 static Lstream_data_count
+ − 703 winsock_reader (Lstream *stream, unsigned char *data, Lstream_data_count size)
428
+ − 704 {
+ − 705 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
+ − 706
+ − 707 /* If the current operation is not yet complete, there's nothing to
+ − 708 give back */
+ − 709 if (str->pending_p)
+ − 710 {
+ − 711 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
+ − 712 {
+ − 713 errno = EAGAIN;
+ − 714 return -1;
+ − 715 }
+ − 716 else
+ − 717 {
+ − 718 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &str->bufsize, TRUE))
+ − 719 {
+ − 720 if (GetLastError() == ERROR_HANDLE_EOF)
+ − 721 str->bufsize = 0;
+ − 722 else
+ − 723 str->error_p = 1;
+ − 724 }
+ − 725 if (str->bufsize == 0)
+ − 726 str->eof_p = 1;
+ − 727 str->pending_p = 0;
+ − 728 }
+ − 729 }
+ − 730
+ − 731 if (str->eof_p)
+ − 732 return 0;
+ − 733 if (str->error_p)
+ − 734 return -1;
+ − 735
+ − 736 /* Return as much of buffer as we have */
462
+ − 737 size = min (size, (Lstream_data_count) (str->bufsize - str->bufpos));
428
+ − 738 memcpy (data, (void*)((BYTE*)str->buffer + str->bufpos), size);
+ − 739 str->bufpos += size;
+ − 740
+ − 741 /* Read more if buffer is exhausted */
+ − 742 if (str->bufsize == str->bufpos)
+ − 743 winsock_initiate_read (str);
+ − 744
+ − 745 return size;
+ − 746 }
+ − 747
462
+ − 748 static Lstream_data_count
+ − 749 winsock_writer (Lstream *stream, const unsigned char *data,
+ − 750 Lstream_data_count size)
428
+ − 751 {
+ − 752 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
+ − 753
+ − 754 if (str->pending_p)
+ − 755 {
+ − 756 if (WaitForSingleObject (str->ov.hEvent, 0) == WAIT_TIMEOUT)
+ − 757 {
+ − 758 str->blocking_p = 1;
+ − 759 return -1;
+ − 760 }
+ − 761 else
+ − 762 {
+ − 763 DWORD dw_unused;
+ − 764 if (!GetOverlappedResult ((HANDLE)str->s, &str->ov, &dw_unused, TRUE))
+ − 765 str->error_p = 1;
+ − 766 str->pending_p = 0;
+ − 767 }
+ − 768 }
+ − 769
+ − 770 str->blocking_p = 0;
+ − 771
+ − 772 if (str->error_p)
+ − 773 return -1;
+ − 774
+ − 775 if (size == 0)
+ − 776 return 0;
+ − 777
+ − 778 {
+ − 779 ResetEvent (str->ov.hEvent);
+ − 780
+ − 781 /* Docs indicate that 4th parameter to WriteFile can be NULL since this is
+ − 782 * an overlapped operation. This fails on Win95 with winsock 1.x so we
+ − 783 * supply a spare address which is ignored by Win95 anyway. Sheesh. */
+ − 784 if (WriteFile ((HANDLE)str->s, data, size, (LPDWORD)&str->buffer, &str->ov)
+ − 785 || GetLastError() == ERROR_IO_PENDING)
+ − 786 str->pending_p = 1;
+ − 787 else
+ − 788 str->error_p = 1;
+ − 789 }
+ − 790
+ − 791 return str->error_p ? -1 : size;
+ − 792 }
+ − 793
+ − 794 static int
+ − 795 winsock_closer (Lstream *lstr)
+ − 796 {
+ − 797 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
+ − 798
+ − 799 if (lstr->flags & LSTREAM_FL_READ)
+ − 800 shutdown (str->s, 0);
+ − 801 else
+ − 802 shutdown (str->s, 1);
+ − 803
+ − 804 CloseHandle ((HANDLE)str->s);
+ − 805 if (str->pending_p)
+ − 806 WaitForSingleObject (str->ov.hEvent, INFINITE);
+ − 807
+ − 808 if (lstr->flags & LSTREAM_FL_READ)
+ − 809 xfree (str->buffer);
+ − 810
+ − 811 CloseHandle (str->ov.hEvent);
+ − 812 return 0;
+ − 813 }
+ − 814
+ − 815 static int
+ − 816 winsock_was_blocked_p (Lstream *stream)
+ − 817 {
+ − 818 struct winsock_stream *str = WINSOCK_STREAM_DATA (stream);
+ − 819 return str->blocking_p;
+ − 820 }
+ − 821
+ − 822 static Lisp_Object
442
+ − 823 make_winsock_stream_1 (SOCKET s, LPARAM param, const char *mode)
428
+ − 824 {
+ − 825 Lisp_Object obj;
+ − 826 Lstream *lstr = Lstream_new (lstream_winsock, mode);
+ − 827 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
+ − 828
+ − 829 str->s = s;
+ − 830 str->blocking_p = 0;
+ − 831 str->error_p = 0;
+ − 832 str->eof_p = 0;
+ − 833 str->pending_p = 0;
+ − 834 str->user_data = param;
+ − 835
+ − 836 xzero (str->ov);
+ − 837 str->ov.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
+ − 838
+ − 839 if (lstr->flags & LSTREAM_FL_READ)
+ − 840 {
+ − 841 str->buffer = xmalloc (WINSOCK_READ_BUFFER_SIZE);
+ − 842 winsock_initiate_read (str);
+ − 843 }
+ − 844
+ − 845 lstr->flags |= LSTREAM_FL_CLOSE_AT_DISKSAVE;
+ − 846 XSETLSTREAM (obj, lstr);
+ − 847 return obj;
+ − 848 }
+ − 849
+ − 850 static Lisp_Object
+ − 851 make_winsock_input_stream (SOCKET s, LPARAM param)
+ − 852 {
+ − 853 return make_winsock_stream_1 (s, param, "r");
+ − 854 }
+ − 855
+ − 856 static Lisp_Object
+ − 857 make_winsock_output_stream (SOCKET s, LPARAM param)
+ − 858 {
+ − 859 return make_winsock_stream_1 (s, param, "w");
+ − 860 }
+ − 861
+ − 862 static HANDLE
+ − 863 get_winsock_stream_waitable (Lstream *lstr)
+ − 864 {
+ − 865 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
+ − 866 return str->ov.hEvent;
+ − 867 }
+ − 868
+ − 869 static LPARAM
+ − 870 get_winsock_stream_param (Lstream *lstr)
+ − 871 {
+ − 872 struct winsock_stream *str = WINSOCK_STREAM_DATA (lstr);
+ − 873 return str->user_data;
+ − 874 }
+ − 875
+ − 876 static void
+ − 877 init_winsock_stream (void)
+ − 878 {
+ − 879 LSTREAM_HAS_METHOD (winsock, reader);
+ − 880 LSTREAM_HAS_METHOD (winsock, writer);
+ − 881 LSTREAM_HAS_METHOD (winsock, closer);
+ − 882 LSTREAM_HAS_METHOD (winsock, was_blocked_p);
+ − 883 }
+ − 884 #endif /* defined (HAVE_SOCKETS) */
+ − 885
+ − 886 /************************************************************************/
+ − 887 /* Dispatch queue management */
+ − 888 /************************************************************************/
+ − 889
+ − 890 static int
440
+ − 891 mswindows_user_event_p (Lisp_Event* sevt)
428
+ − 892 {
+ − 893 return (sevt->event_type == key_press_event
+ − 894 || sevt->event_type == button_press_event
+ − 895 || sevt->event_type == button_release_event
+ − 896 || sevt->event_type == misc_user_event);
+ − 897 }
+ − 898
+ − 899 /*
+ − 900 * Add an emacs event to the proper dispatch queue
+ − 901 */
442
+ − 902 void
428
+ − 903 mswindows_enqueue_dispatch_event (Lisp_Object event)
+ − 904 {
+ − 905 int user_p = mswindows_user_event_p (XEVENT(event));
+ − 906 enqueue_event (event,
+ − 907 user_p ? &mswindows_u_dispatch_event_queue :
442
+ − 908 &mswindows_s_dispatch_event_queue,
428
+ − 909 user_p ? &mswindows_u_dispatch_event_queue_tail :
442
+ − 910 &mswindows_s_dispatch_event_queue_tail);
428
+ − 911
+ − 912 /* Avoid blocking on WaitMessage */
+ − 913 PostMessage (NULL, XM_BUMPQUEUE, 0, 0);
+ − 914 }
+ − 915
+ − 916 /*
+ − 917 * Add a misc-user event to the dispatch queue.
+ − 918 *
+ − 919 * Stuff it into our own dispatch queue, so we have something
+ − 920 * to return from next_event callback.
+ − 921 */
+ − 922 void
+ − 923 mswindows_enqueue_misc_user_event (Lisp_Object channel, Lisp_Object function,
+ − 924 Lisp_Object object)
+ − 925 {
+ − 926 Lisp_Object event = Fmake_event (Qnil, Qnil);
440
+ − 927 Lisp_Event* e = XEVENT (event);
428
+ − 928
+ − 929 e->event_type = misc_user_event;
+ − 930 e->channel = channel;
440
+ − 931 e->timestamp = GetTickCount ();
428
+ − 932 e->event.misc.function = function;
+ − 933 e->event.misc.object = object;
+ − 934
+ − 935 mswindows_enqueue_dispatch_event (event);
+ − 936 }
+ − 937
+ − 938 void
440
+ − 939 mswindows_enqueue_magic_event (HWND hwnd, UINT msg)
428
+ − 940 {
+ − 941 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
440
+ − 942 Lisp_Event* event = XEVENT (emacs_event);
428
+ − 943
+ − 944 event->channel = hwnd ? mswindows_find_frame (hwnd) : Qnil;
+ − 945 event->timestamp = GetMessageTime();
+ − 946 event->event_type = magic_event;
440
+ − 947 EVENT_MSWINDOWS_MAGIC_TYPE (event) = msg;
428
+ − 948
+ − 949 mswindows_enqueue_dispatch_event (emacs_event);
+ − 950 }
+ − 951
+ − 952 static void
440
+ − 953 mswindows_enqueue_process_event (Lisp_Process* p)
428
+ − 954 {
+ − 955 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
440
+ − 956 Lisp_Event* event = XEVENT (emacs_event);
428
+ − 957 Lisp_Object process;
+ − 958 XSETPROCESS (process, p);
+ − 959
+ − 960 event->event_type = process_event;
+ − 961 event->timestamp = GetTickCount ();
+ − 962 event->event.process.process = process;
+ − 963
+ − 964 mswindows_enqueue_dispatch_event (emacs_event);
+ − 965 }
+ − 966
+ − 967 static void
442
+ − 968 mswindows_enqueue_mouse_button_event (HWND hwnd, UINT msg, POINTS where,
+ − 969 int mods, DWORD when)
428
+ − 970 {
442
+ − 971 int downp = (msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN ||
+ − 972 msg == WM_RBUTTONDOWN);
428
+ − 973
+ − 974 /* We always use last message time, because mouse button
+ − 975 events may get delayed, and XEmacs double click
+ − 976 recognition will fail */
+ − 977
+ − 978 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
442
+ − 979 Lisp_Event* event = XEVENT (emacs_event);
+ − 980
+ − 981 mswindows_handle_sticky_modifiers (0, 0, downp, 0);
+ − 982 event->channel = mswindows_find_frame (hwnd);
428
+ − 983 event->timestamp = when;
+ − 984 event->event.button.button =
440
+ − 985 (msg==WM_LBUTTONDOWN || msg==WM_LBUTTONUP) ? 1 :
+ − 986 ((msg==WM_RBUTTONDOWN || msg==WM_RBUTTONUP) ? 3 : 2);
428
+ − 987 event->event.button.x = where.x;
+ − 988 event->event.button.y = where.y;
442
+ − 989 event->event.button.modifiers = mswindows_modifier_state (NULL, mods, 0);
+ − 990
+ − 991 if (downp)
428
+ − 992 {
+ − 993 event->event_type = button_press_event;
+ − 994 SetCapture (hwnd);
+ − 995 /* we need this to make sure the main window regains the focus
+ − 996 from control subwindows */
+ − 997 if (GetFocus() != hwnd)
+ − 998 {
+ − 999 SetFocus (hwnd);
+ − 1000 mswindows_enqueue_magic_event (hwnd, WM_SETFOCUS);
+ − 1001 }
+ − 1002 }
+ − 1003 else
+ − 1004 {
+ − 1005 event->event_type = button_release_event;
+ − 1006 ReleaseCapture ();
+ − 1007 }
+ − 1008
+ − 1009 mswindows_enqueue_dispatch_event (emacs_event);
+ − 1010 }
+ − 1011
+ − 1012 static void
+ − 1013 mswindows_enqueue_keypress_event (HWND hwnd, Lisp_Object keysym, int mods)
+ − 1014 {
+ − 1015 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
440
+ − 1016 Lisp_Event* event = XEVENT(emacs_event);
428
+ − 1017
+ − 1018 event->channel = mswindows_find_console(hwnd);
+ − 1019 event->timestamp = GetMessageTime();
+ − 1020 event->event_type = key_press_event;
+ − 1021 event->event.key.keysym = keysym;
+ − 1022 event->event.key.modifiers = mods;
+ − 1023 mswindows_enqueue_dispatch_event (emacs_event);
+ − 1024 }
+ − 1025
+ − 1026 /*
+ − 1027 * Remove and return the first emacs event on the dispatch queue.
+ − 1028 * Give a preference to user events over non-user ones.
+ − 1029 */
+ − 1030 static Lisp_Object
442
+ − 1031 mswindows_dequeue_dispatch_event (void)
428
+ − 1032 {
+ − 1033 Lisp_Object event;
440
+ − 1034 Lisp_Event* sevt;
428
+ − 1035
+ − 1036 assert (!NILP(mswindows_u_dispatch_event_queue) ||
+ − 1037 !NILP(mswindows_s_dispatch_event_queue));
+ − 1038
+ − 1039 event = dequeue_event (
442
+ − 1040 NILP(mswindows_u_dispatch_event_queue) ?
428
+ − 1041 &mswindows_s_dispatch_event_queue :
+ − 1042 &mswindows_u_dispatch_event_queue,
442
+ − 1043 NILP(mswindows_u_dispatch_event_queue) ?
428
+ − 1044 &mswindows_s_dispatch_event_queue_tail :
+ − 1045 &mswindows_u_dispatch_event_queue_tail);
+ − 1046
+ − 1047 sevt = XEVENT(event);
+ − 1048 if (sevt->event_type == key_press_event
+ − 1049 && (sevt->event.key.modifiers & FAKE_MOD_QUIT))
+ − 1050 {
502
+ − 1051 sevt->event.key.modifiers &=
+ − 1052 ~(FAKE_MOD_QUIT | FAKE_MOD_QUIT_CRITICAL);
428
+ − 1053 --mswindows_quit_chars_count;
+ − 1054 }
+ − 1055
+ − 1056 return event;
+ − 1057 }
+ − 1058
+ − 1059 /*
+ − 1060 * Remove and return the first emacs event on the dispatch queue that matches
+ − 1061 * the supplied event.
+ − 1062 * Timeout event matches if interval_id is equal to that of the given event.
+ − 1063 * Keypress event matches if logical AND between modifiers bitmask of the
+ − 1064 * event in the queue and that of the given event is non-zero.
+ − 1065 * For all other event types, this function aborts.
+ − 1066 */
+ − 1067
+ − 1068 Lisp_Object
440
+ − 1069 mswindows_cancel_dispatch_event (Lisp_Event *match)
428
+ − 1070 {
+ − 1071 Lisp_Object event;
+ − 1072 Lisp_Object previous_event = Qnil;
+ − 1073 int user_p = mswindows_user_event_p (match);
+ − 1074 Lisp_Object* head = user_p ? &mswindows_u_dispatch_event_queue :
442
+ − 1075 &mswindows_s_dispatch_event_queue;
428
+ − 1076 Lisp_Object* tail = user_p ? &mswindows_u_dispatch_event_queue_tail :
442
+ − 1077 &mswindows_s_dispatch_event_queue_tail;
428
+ − 1078
+ − 1079 assert (match->event_type == timeout_event
+ − 1080 || match->event_type == key_press_event);
+ − 1081
+ − 1082 EVENT_CHAIN_LOOP (event, *head)
+ − 1083 {
440
+ − 1084 Lisp_Event *e = XEVENT (event);
428
+ − 1085 if ((e->event_type == match->event_type) &&
+ − 1086 ((e->event_type == timeout_event) ?
+ − 1087 (e->event.timeout.interval_id == match->event.timeout.interval_id) :
+ − 1088 /* Must be key_press_event */
+ − 1089 ((e->event.key.modifiers & match->event.key.modifiers) != 0)))
+ − 1090 {
+ − 1091 if (NILP (previous_event))
+ − 1092 dequeue_event (head, tail);
+ − 1093 else
+ − 1094 {
+ − 1095 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
+ − 1096 if (EQ (*tail, event))
+ − 1097 *tail = previous_event;
+ − 1098 }
+ − 1099
+ − 1100 return event;
+ − 1101 }
+ − 1102 previous_event = event;
+ − 1103 }
+ − 1104 return Qnil;
+ − 1105 }
+ − 1106
+ − 1107 #ifndef HAVE_MSG_SELECT
+ − 1108 /************************************************************************/
+ − 1109 /* Waitable handles manipulation */
+ − 1110 /************************************************************************/
+ − 1111 static int
+ − 1112 find_waitable_handle (HANDLE h)
+ − 1113 {
+ − 1114 int i;
+ − 1115 for (i = 0; i < mswindows_waitable_count; ++i)
+ − 1116 if (mswindows_waitable_handles[i] == h)
+ − 1117 return i;
+ − 1118
+ − 1119 return -1;
+ − 1120 }
+ − 1121
+ − 1122 static BOOL
+ − 1123 add_waitable_handle (HANDLE h)
+ − 1124 {
+ − 1125 assert (find_waitable_handle (h) < 0);
+ − 1126 if (mswindows_waitable_count == MAX_WAITABLE)
+ − 1127 return FALSE;
+ − 1128
+ − 1129 mswindows_waitable_handles [mswindows_waitable_count++] = h;
+ − 1130 return TRUE;
+ − 1131 }
+ − 1132
+ − 1133 static void
+ − 1134 remove_waitable_handle (HANDLE h)
+ − 1135 {
+ − 1136 int ix = find_waitable_handle (h);
+ − 1137 if (ix < 0)
+ − 1138 return;
+ − 1139
+ − 1140 mswindows_waitable_handles [ix] =
+ − 1141 mswindows_waitable_handles [--mswindows_waitable_count];
+ − 1142 }
+ − 1143 #endif /* HAVE_MSG_SELECT */
+ − 1144
+ − 1145
+ − 1146 /************************************************************************/
+ − 1147 /* Event pump */
+ − 1148 /************************************************************************/
+ − 1149
+ − 1150 static Lisp_Object
+ − 1151 mswindows_modal_loop_error_handler (Lisp_Object cons_sig_data,
+ − 1152 Lisp_Object u_n_u_s_e_d)
+ − 1153 {
+ − 1154 mswindows_error_caught_in_modal_loop = cons_sig_data;
+ − 1155 return Qunbound;
+ − 1156 }
+ − 1157
+ − 1158 Lisp_Object
+ − 1159 mswindows_protect_modal_loop (Lisp_Object (*bfun) (Lisp_Object barg),
+ − 1160 Lisp_Object barg)
+ − 1161 {
+ − 1162 Lisp_Object tmp;
+ − 1163
+ − 1164 ++mswindows_in_modal_loop;
+ − 1165 tmp = condition_case_1 (Qt,
+ − 1166 bfun, barg,
+ − 1167 mswindows_modal_loop_error_handler, Qnil);
+ − 1168 --mswindows_in_modal_loop;
+ − 1169
+ − 1170 return tmp;
+ − 1171 }
+ − 1172
+ − 1173 void
+ − 1174 mswindows_unmodalize_signal_maybe (void)
+ − 1175 {
+ − 1176 if (!NILP (mswindows_error_caught_in_modal_loop))
+ − 1177 {
+ − 1178 /* Got an error while messages were pumped while
+ − 1179 in window procedure - have to resignal */
+ − 1180 Lisp_Object sym = XCAR (mswindows_error_caught_in_modal_loop);
+ − 1181 Lisp_Object data = XCDR (mswindows_error_caught_in_modal_loop);
+ − 1182 mswindows_error_caught_in_modal_loop = Qnil;
+ − 1183 Fsignal (sym, data);
+ − 1184 }
+ − 1185 }
+ − 1186
+ − 1187 /*
+ − 1188 * This is an unsafe part of event pump, guarded by
+ − 1189 * condition_case. See mswindows_pump_outstanding_events
+ − 1190 */
+ − 1191 static Lisp_Object
+ − 1192 mswindows_unsafe_pump_events (Lisp_Object u_n_u_s_e_d)
+ − 1193 {
+ − 1194 /* This function can call lisp */
+ − 1195 Lisp_Object event = Fmake_event (Qnil, Qnil);
+ − 1196 struct gcpro gcpro1;
+ − 1197 int do_redisplay = 0;
+ − 1198 GCPRO1 (event);
+ − 1199
+ − 1200 while (detect_input_pending ())
+ − 1201 {
+ − 1202 Fnext_event (event, Qnil);
+ − 1203 Fdispatch_event (event);
+ − 1204 do_redisplay = 1;
+ − 1205 }
+ − 1206
+ − 1207 if (do_redisplay)
+ − 1208 redisplay ();
+ − 1209
+ − 1210 Fdeallocate_event (event);
+ − 1211 UNGCPRO;
+ − 1212
+ − 1213 /* Qt becomes return value of mswindows_pump_outstanding_events
+ − 1214 once we get here */
+ − 1215 return Qt;
+ − 1216 }
+ − 1217
+ − 1218 /*
+ − 1219 * This function pumps emacs events, while available, by using
+ − 1220 * next_message/dispatch_message loop. Errors are trapped around
+ − 1221 * the loop so the function always returns.
+ − 1222 *
+ − 1223 * Windows message queue is not looked into during the call,
+ − 1224 * neither are waitable handles checked. The function pumps
+ − 1225 * thus only dispatch events already queued, as well as those
+ − 1226 * resulted in dispatching thereof. This is done by setting
+ − 1227 * module local variable mswindows_in_modal_loop to nonzero.
+ − 1228 *
+ − 1229 * Return value is Qt if no errors was trapped, or Qunbound if
+ − 1230 * there was an error.
+ − 1231 *
+ − 1232 * In case of error, a cons representing the error, in the
+ − 1233 * form (SIGNAL . DATA), is stored in the module local variable
+ − 1234 * mswindows_error_caught_in_modal_loop. This error is signaled
+ − 1235 * again when DispatchMessage returns. Thus, Windows internal
+ − 1236 * modal loops are protected against throws, which are proven
+ − 1237 * to corrupt internal Windows structures.
+ − 1238 *
+ − 1239 * In case of success, mswindows_error_caught_in_modal_loop is
+ − 1240 * assigned Qnil.
+ − 1241 *
+ − 1242 * If the value of mswindows_error_caught_in_modal_loop is not
+ − 1243 * nil already upon entry, the function just returns non-nil.
+ − 1244 * This situation means that a new event has been queued while
+ − 1245 * in cancel mode. The event will be dequeued on the next regular
+ − 1246 * call of next-event; the pump is off since error is caught.
+ − 1247 * The caller must *unconditionally* cancel modal loop if the
+ − 1248 * value returned by this function is nil. Otherwise, everything
+ − 1249 * will become frozen until the modal loop exits under normal
+ − 1250 * condition (scrollbar drag is released, menu closed etc.)
+ − 1251 */
+ − 1252 Lisp_Object
+ − 1253 mswindows_pump_outstanding_events (void)
+ − 1254 {
+ − 1255 /* This function can call lisp */
+ − 1256
+ − 1257 Lisp_Object result = Qt;
+ − 1258 struct gcpro gcpro1;
+ − 1259 GCPRO1 (result);
+ − 1260
+ − 1261 if (NILP(mswindows_error_caught_in_modal_loop))
442
+ − 1262 result = mswindows_protect_modal_loop (mswindows_unsafe_pump_events, Qnil);
428
+ − 1263 UNGCPRO;
+ − 1264 return result;
+ − 1265 }
+ − 1266
440
+ − 1267 /*
+ − 1268 * KEYBOARD_ONLY_P is set to non-zero when we are called from
+ − 1269 * QUITP, and are interesting in keyboard messages only.
+ − 1270 */
428
+ − 1271 static void
442
+ − 1272 mswindows_drain_windows_queue (void)
428
+ − 1273 {
+ − 1274 MSG msg;
440
+ − 1275
442
+ − 1276 /* should call mswindows_need_event_in_modal_loop() if in modal loop */
+ − 1277 assert (!mswindows_in_modal_loop);
+ − 1278
+ − 1279 while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
428
+ − 1280 {
442
+ − 1281 char class_name_buf [sizeof (XEMACS_CLASS) + 2] = "";
+ − 1282
444
+ − 1283 /* Don't translate messages destined for a dialog box, this
+ − 1284 makes keyboard traversal work. I think?? */
442
+ − 1285 if (mswindows_is_dialog_msg (&msg))
+ − 1286 {
+ − 1287 mswindows_unmodalize_signal_maybe ();
+ − 1288 continue;
+ − 1289 }
+ − 1290
+ − 1291 /* We have to translate messages that are not sent to an XEmacs
+ − 1292 frame. This is so that key presses work ok in things like
+ − 1293 edit fields. However, we *musn't* translate message for XEmacs
+ − 1294 frames as this is handled in the wnd proc.
+ − 1295 We also have to avoid generating paint magic events for windows
+ − 1296 that aren't XEmacs frames */
+ − 1297 /* GetClassName will truncate a longer class name. By adding one
+ − 1298 extra character, we are forcing textual comparison to fail
+ − 1299 if the name is longer than XEMACS_CLASS */
+ − 1300
+ − 1301 GetClassName (msg.hwnd, class_name_buf, sizeof (class_name_buf) - 1);
+ − 1302 if (stricmp (class_name_buf, XEMACS_CLASS) != 0)
428
+ − 1303 {
442
+ − 1304 /* Not an XEmacs frame */
428
+ − 1305 TranslateMessage (&msg);
+ − 1306 }
442
+ − 1307 else if (msg.message == WM_PAINT)
+ − 1308 {
+ − 1309 struct mswindows_frame* msframe;
+ − 1310
+ − 1311 /* hdc will be NULL unless this is a subwindow - in which case we
+ − 1312 shouldn't have received a paint message for it here. */
+ − 1313 assert (msg.wParam == 0);
+ − 1314
+ − 1315 /* Queue a magic event for handling when safe */
+ − 1316 msframe =
+ − 1317 FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (msg.hwnd)));
+ − 1318 if (!msframe->paint_pending)
+ − 1319 {
+ − 1320 msframe->paint_pending = 1;
+ − 1321 mswindows_enqueue_magic_event (msg.hwnd, WM_PAINT);
+ − 1322 }
+ − 1323 /* Don't dispatch. WM_PAINT is always the last message in the
+ − 1324 queue so it's OK to just return. */
+ − 1325 return;
+ − 1326 }
428
+ − 1327 DispatchMessage (&msg);
+ − 1328 mswindows_unmodalize_signal_maybe ();
+ − 1329 }
+ − 1330 }
+ − 1331
+ − 1332 /*
+ − 1333 * This is a special flavor of the mswindows_need_event function,
+ − 1334 * used while in event pump. Actually, there is only kind of events
+ − 1335 * allowed while in event pump: a timer. An attempt to fetch any
+ − 1336 * other event leads to a deadlock, as there's no source of user input
+ − 1337 * ('cause event pump mirrors windows modal loop, which is a sole
+ − 1338 * owner of thread message queue).
+ − 1339 *
+ − 1340 * To detect this, we use a counter of active timers, and allow
+ − 1341 * fetching WM_TIMER messages. Instead of trying to fetch a WM_TIMER
+ − 1342 * which will never come when there are no pending timers, which leads
+ − 1343 * to deadlock, we simply signal an error.
487
+ − 1344 *
+ − 1345 * It might be possible to combine this with mswindows_drain_windows_queue
+ − 1346 * which fetches events when not in a modal loop. It's not clear
+ − 1347 * whether the result would be more complex than is justified.
428
+ − 1348 */
+ − 1349 static void
+ − 1350 mswindows_need_event_in_modal_loop (int badly_p)
+ − 1351 {
+ − 1352 MSG msg;
+ − 1353
+ − 1354 /* Check if already have one */
+ − 1355 if (!NILP (mswindows_u_dispatch_event_queue)
+ − 1356 || !NILP (mswindows_s_dispatch_event_queue))
+ − 1357 return;
+ − 1358
+ − 1359 /* No event is ok */
+ − 1360 if (!badly_p)
+ − 1361 return;
+ − 1362
+ − 1363 /* We do not check the _u_ queue, because timers go to _s_ */
+ − 1364 while (NILP (mswindows_s_dispatch_event_queue))
+ − 1365 {
+ − 1366 /* We'll deadlock if go waiting */
+ − 1367 if (mswindows_pending_timers_count == 0)
+ − 1368 error ("Deadlock due to an attempt to call next-event in a wrong context");
+ − 1369
+ − 1370 /* Fetch and dispatch any pending timers */
487
+ − 1371 if (GetMessage (&msg, NULL, WM_TIMER, WM_TIMER) > 0)
+ − 1372 DispatchMessage (&msg);
428
+ − 1373 }
+ − 1374 }
+ − 1375
+ − 1376 /*
+ − 1377 * This drains the event queue and fills up two internal queues until
+ − 1378 * an event of a type specified by USER_P is retrieved.
+ − 1379 *
+ − 1380 *
+ − 1381 * Used by emacs_mswindows_event_pending_p and emacs_mswindows_next_event
+ − 1382 */
+ − 1383 static void
+ − 1384 mswindows_need_event (int badly_p)
+ − 1385 {
+ − 1386 int active;
+ − 1387
+ − 1388 while (NILP (mswindows_u_dispatch_event_queue)
+ − 1389 && NILP (mswindows_s_dispatch_event_queue))
+ − 1390 {
+ − 1391 #ifdef HAVE_MSG_SELECT
+ − 1392 int i;
+ − 1393 SELECT_TYPE temp_mask = input_wait_mask;
+ − 1394 EMACS_TIME sometime;
+ − 1395 EMACS_SELECT_TIME select_time_to_block, *pointer_to_this;
+ − 1396
+ − 1397 if (badly_p)
+ − 1398 pointer_to_this = 0;
+ − 1399 else
+ − 1400 {
+ − 1401 EMACS_SET_SECS_USECS (sometime, 0, 0);
+ − 1402 EMACS_TIME_TO_SELECT_TIME (sometime, select_time_to_block);
+ − 1403 pointer_to_this = &select_time_to_block;
487
+ − 1404 if (mswindows_in_modal_loop)
+ − 1405 /* In modal loop with badly_p false, don't care about
+ − 1406 Windows events. */
+ − 1407 FD_CLR (windows_fd, &temp_mask);
428
+ − 1408 }
+ − 1409
+ − 1410 active = select (MAXDESC, &temp_mask, 0, 0, pointer_to_this);
+ − 1411
+ − 1412 if (active == 0)
+ − 1413 {
+ − 1414 assert (!badly_p);
+ − 1415 return; /* timeout */
+ − 1416 }
+ − 1417 else if (active > 0)
+ − 1418 {
+ − 1419 if (FD_ISSET (windows_fd, &temp_mask))
+ − 1420 {
487
+ − 1421 if (mswindows_in_modal_loop)
+ − 1422 mswindows_need_event_in_modal_loop (badly_p);
+ − 1423 else
+ − 1424 mswindows_drain_windows_queue ();
428
+ − 1425 }
442
+ − 1426 else
428
+ − 1427 {
442
+ − 1428 #ifdef HAVE_TTY
+ − 1429 /* Look for a TTY event */
+ − 1430 for (i = 0; i < MAXDESC-1; i++)
428
+ − 1431 {
442
+ − 1432 /* To avoid race conditions (among other things, an infinite
+ − 1433 loop when called from Fdiscard_input()), we must return
+ − 1434 user events ahead of process events. */
+ − 1435 if (FD_ISSET (i, &temp_mask) && FD_ISSET (i, &tty_only_mask))
428
+ − 1436 {
442
+ − 1437 struct console *c = tty_find_console_from_fd (i);
+ − 1438 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
+ − 1439 Lisp_Event* event = XEVENT (emacs_event);
+ − 1440
+ − 1441 assert (c);
+ − 1442 if (read_event_from_tty_or_stream_desc (event, c, i))
+ − 1443 {
+ − 1444 mswindows_enqueue_dispatch_event (emacs_event);
+ − 1445 return;
+ − 1446 }
428
+ − 1447 }
+ − 1448 }
+ − 1449 #endif
442
+ − 1450 /* Look for a process event */
+ − 1451 for (i = 0; i < MAXDESC-1; i++)
428
+ − 1452 {
442
+ − 1453 if (FD_ISSET (i, &temp_mask))
428
+ − 1454 {
442
+ − 1455 if (FD_ISSET (i, &process_only_mask))
+ − 1456 {
+ − 1457 Lisp_Process *p =
+ − 1458 get_process_from_usid (FD_TO_USID(i));
+ − 1459
+ − 1460 mswindows_enqueue_process_event (p);
+ − 1461 }
+ − 1462 else
+ − 1463 {
+ − 1464 /* We might get here when a fake event came
+ − 1465 through a signal. Return a dummy event, so
+ − 1466 that a cycle of the command loop will
+ − 1467 occur. */
+ − 1468 drain_signal_event_pipe ();
+ − 1469 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
+ − 1470 }
428
+ − 1471 }
+ − 1472 }
+ − 1473 }
+ − 1474 }
+ − 1475 else if (active==-1)
+ − 1476 {
+ − 1477 if (errno != EINTR)
+ − 1478 {
+ − 1479 /* something bad happened */
+ − 1480 assert(0);
+ − 1481 }
+ − 1482 }
+ − 1483 else
+ − 1484 {
+ − 1485 assert(0);
+ − 1486 }
+ − 1487 #else
+ − 1488 /* Now try getting a message or process event */
487
+ − 1489 DWORD what_events;
+ − 1490 if (mswindows_in_modal_loop)
+ − 1491 /* In a modal loop, only look for timer events, and only if
+ − 1492 we really need one. */
+ − 1493 {
+ − 1494 if (badly_p)
+ − 1495 what_events = QS_TIMER;
+ − 1496 else
+ − 1497 what_events = 0;
+ − 1498 }
+ − 1499 else
+ − 1500 /* Look for any event */
+ − 1501 what_events = QS_ALLINPUT;
+ − 1502
442
+ − 1503 active = MsgWaitForMultipleObjects (mswindows_waitable_count,
+ − 1504 mswindows_waitable_handles,
+ − 1505 FALSE, badly_p ? INFINITE : 0,
487
+ − 1506 what_events);
442
+ − 1507
+ − 1508 /* This will assert if handle being waited for becomes abandoned.
+ − 1509 Not the case currently tho */
+ − 1510 assert ((!badly_p && active == WAIT_TIMEOUT) ||
+ − 1511 (active >= WAIT_OBJECT_0 &&
+ − 1512 active <= WAIT_OBJECT_0 + mswindows_waitable_count));
+ − 1513
+ − 1514 if (active == WAIT_TIMEOUT)
+ − 1515 {
+ − 1516 /* No luck trying - just return what we've already got */
+ − 1517 return;
+ − 1518 }
+ − 1519 else if (active == WAIT_OBJECT_0 + mswindows_waitable_count)
+ − 1520 {
+ − 1521 /* Got your message, thanks */
487
+ − 1522 if (mswindows_in_modal_loop)
+ − 1523 mswindows_need_event_in_modal_loop (badly_p);
+ − 1524 else
+ − 1525 mswindows_drain_windows_queue ();
442
+ − 1526 }
+ − 1527 else
+ − 1528 {
+ − 1529 int ix = active - WAIT_OBJECT_0;
+ − 1530 /* First, try to find which process' output has signaled */
+ − 1531 Lisp_Process *p =
+ − 1532 get_process_from_usid (HANDLE_TO_USID (mswindows_waitable_handles[ix]));
+ − 1533 if (p != NULL)
+ − 1534 {
+ − 1535 /* Found a signaled process input handle */
+ − 1536 mswindows_enqueue_process_event (p);
+ − 1537 }
+ − 1538 else
+ − 1539 {
+ − 1540 /* None. This means that the process handle itself has signaled.
+ − 1541 Remove the handle from the wait vector, and make status_notify
487
+ − 1542 note the exited process. First find the process object if
+ − 1543 possible. */
+ − 1544 LIST_LOOP_3 (vaffanculo, Vprocess_list, vproctail)
+ − 1545 if (get_nt_process_handle (XPROCESS (vaffanculo)) ==
+ − 1546 mswindows_waitable_handles [ix])
+ − 1547 break;
442
+ − 1548 mswindows_waitable_handles [ix] =
+ − 1549 mswindows_waitable_handles [--mswindows_waitable_count];
+ − 1550 kick_status_notify ();
+ − 1551 /* We need to return a process event here so that
+ − 1552 (1) accept-process-output will return when called on this
+ − 1553 process, and (2) status notifications will happen in
+ − 1554 accept-process-output, sleep-for, and sit-for. */
+ − 1555 /* #### horrible kludge till my real process fixes go in.
487
+ − 1556 #### Replaced with a slightly less horrible kluge that
+ − 1557 at least finds the right process instead of axing the
+ − 1558 first one on the list.
442
+ − 1559 */
487
+ − 1560 if (!NILP (vproctail))
442
+ − 1561 {
+ − 1562 mswindows_enqueue_process_event (XPROCESS (vaffanculo));
+ − 1563 }
+ − 1564 else /* trash me soon. */
+ − 1565 /* Have to return something: there may be no accompanying
+ − 1566 process event */
+ − 1567 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
+ − 1568 }
+ − 1569 }
428
+ − 1570 #endif
442
+ − 1571 } /* while */
428
+ − 1572 }
+ − 1573
+ − 1574 /************************************************************************/
+ − 1575 /* Event generators */
+ − 1576 /************************************************************************/
+ − 1577
+ − 1578 /*
+ − 1579 * Callback procedure for synchronous timer messages
+ − 1580 */
+ − 1581 static void CALLBACK
+ − 1582 mswindows_wm_timer_callback (HWND hwnd, UINT umsg, UINT id_timer, DWORD dwtime)
+ − 1583 {
+ − 1584 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
440
+ − 1585 Lisp_Event *event = XEVENT (emacs_event);
428
+ − 1586
+ − 1587 if (KillTimer (NULL, id_timer))
+ − 1588 --mswindows_pending_timers_count;
+ − 1589
+ − 1590 event->channel = Qnil;
+ − 1591 event->timestamp = dwtime;
+ − 1592 event->event_type = timeout_event;
+ − 1593 event->event.timeout.interval_id = id_timer;
+ − 1594 event->event.timeout.function = Qnil;
+ − 1595 event->event.timeout.object = Qnil;
+ − 1596
+ − 1597 mswindows_enqueue_dispatch_event (emacs_event);
+ − 1598 }
+ − 1599
+ − 1600 /*
+ − 1601 * Callback procedure for dde messages
+ − 1602 *
+ − 1603 * We execute a dde Open("file") by simulating a file drop, so dde support
+ − 1604 * depends on dnd support.
+ − 1605 */
+ − 1606 #ifdef HAVE_DRAGNDROP
+ − 1607 HDDEDATA CALLBACK
+ − 1608 mswindows_dde_callback (UINT uType, UINT uFmt, HCONV hconv,
+ − 1609 HSZ hszTopic, HSZ hszItem, HDDEDATA hdata,
+ − 1610 DWORD dwData1, DWORD dwData2)
+ − 1611 {
+ − 1612 switch (uType)
+ − 1613 {
+ − 1614 case XTYP_CONNECT:
+ − 1615 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
+ − 1616 return (HDDEDATA)TRUE;
+ − 1617 return (HDDEDATA)FALSE;
+ − 1618
+ − 1619 case XTYP_WILDCONNECT:
+ − 1620 {
+ − 1621 /* We only support one {service,topic} pair */
+ − 1622 HSZPAIR pairs[2] = {
+ − 1623 { mswindows_dde_service, mswindows_dde_topic_system }, { 0, 0 } };
+ − 1624
+ − 1625 if (!(hszItem || DdeCmpStringHandles (hszItem, mswindows_dde_service)) &&
442
+ − 1626 !(hszTopic || DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system)))
428
+ − 1627 return (DdeCreateDataHandle (mswindows_dde_mlid, (LPBYTE)pairs,
+ − 1628 sizeof (pairs), 0L, 0, uFmt, 0));
+ − 1629 }
+ − 1630 return (HDDEDATA)NULL;
+ − 1631
+ − 1632 case XTYP_EXECUTE:
+ − 1633 if (!DdeCmpStringHandles (hszTopic, mswindows_dde_topic_system))
+ − 1634 {
+ − 1635 DWORD len = DdeGetData (hdata, NULL, 0, 0);
442
+ − 1636 LPBYTE cmd = (LPBYTE) alloca (len+1);
428
+ − 1637 char *end;
+ − 1638 char *filename;
+ − 1639 struct gcpro gcpro1, gcpro2;
+ − 1640 Lisp_Object l_dndlist = Qnil;
+ − 1641 Lisp_Object emacs_event = Fmake_event (Qnil, Qnil);
+ − 1642 Lisp_Object frmcons, devcons, concons;
440
+ − 1643 Lisp_Event *event = XEVENT (emacs_event);
428
+ − 1644
+ − 1645 DdeGetData (hdata, cmd, len, 0);
+ − 1646 cmd[len] = '\0';
+ − 1647 DdeFreeDataHandle (hdata);
+ − 1648
+ − 1649 /* Check syntax & that it's an [Open("foo")] command, which we
+ − 1650 * treat like a file drop */
+ − 1651 /* #### Ought to be generalised and accept some other commands */
+ − 1652 if (*cmd == '[')
+ − 1653 cmd++;
+ − 1654 if (strnicmp (cmd, MSWINDOWS_DDE_ITEM_OPEN,
+ − 1655 strlen (MSWINDOWS_DDE_ITEM_OPEN)))
+ − 1656 return DDE_FNOTPROCESSED;
+ − 1657 cmd += strlen (MSWINDOWS_DDE_ITEM_OPEN);
+ − 1658 while (*cmd==' ')
+ − 1659 cmd++;
+ − 1660 if (*cmd!='(' || *(cmd+1)!='\"')
+ − 1661 return DDE_FNOTPROCESSED;
+ − 1662 end = (cmd+=2);
+ − 1663 while (*end && *end!='\"')
+ − 1664 end++;
+ − 1665 if (!*end)
+ − 1666 return DDE_FNOTPROCESSED;
+ − 1667 *end = '\0';
+ − 1668 if (*(++end)!=')')
+ − 1669 return DDE_FNOTPROCESSED;
+ − 1670 if (*(++end)==']')
+ − 1671 end++;
+ − 1672 if (*end)
+ − 1673 return DDE_FNOTPROCESSED;
+ − 1674
442
+ − 1675 #ifdef CYGWIN
428
+ − 1676 filename = alloca (cygwin32_win32_to_posix_path_list_buf_size (cmd) + 5);
+ − 1677 strcpy (filename, "file:");
+ − 1678 cygwin32_win32_to_posix_path_list (cmd, filename+5);
+ − 1679 #else
+ − 1680 dostounix_filename (cmd);
+ − 1681 filename = alloca (strlen (cmd)+6);
+ − 1682 strcpy (filename, "file:");
+ − 1683 strcat (filename, cmd);
+ − 1684 #endif
+ − 1685 GCPRO2 (emacs_event, l_dndlist);
+ − 1686 l_dndlist = make_string (filename, strlen (filename));
+ − 1687
+ − 1688 /* Find a mswindows frame */
+ − 1689 event->channel = Qnil;
+ − 1690 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
+ − 1691 {
+ − 1692 Lisp_Object frame = XCAR (frmcons);
+ − 1693 if (FRAME_TYPE_P (XFRAME (frame), mswindows))
+ − 1694 event->channel = frame;
+ − 1695 };
+ − 1696 assert (!NILP (event->channel));
+ − 1697
+ − 1698 event->timestamp = GetTickCount();
+ − 1699 event->event_type = misc_user_event;
+ − 1700 event->event.misc.button = 1;
+ − 1701 event->event.misc.modifiers = 0;
+ − 1702 event->event.misc.x = -1;
+ − 1703 event->event.misc.y = -1;
+ − 1704 event->event.misc.function = Qdragdrop_drop_dispatch;
+ − 1705 event->event.misc.object = Fcons (Qdragdrop_URL,
+ − 1706 Fcons (l_dndlist, Qnil));
+ − 1707 mswindows_enqueue_dispatch_event (emacs_event);
+ − 1708 UNGCPRO;
+ − 1709 return (HDDEDATA) DDE_FACK;
+ − 1710 }
+ − 1711 DdeFreeDataHandle (hdata);
+ − 1712 return (HDDEDATA) DDE_FNOTPROCESSED;
+ − 1713
+ − 1714 default:
+ − 1715 return (HDDEDATA) NULL;
+ − 1716 }
+ − 1717 }
+ − 1718 #endif
+ − 1719
+ − 1720 /*
442
+ − 1721 * Helper to do repainting - repaints can happen both from the windows
+ − 1722 * procedure and from magic events
+ − 1723 */
+ − 1724 static void
+ − 1725 mswindows_handle_paint (struct frame *frame)
+ − 1726 {
+ − 1727 HWND hwnd = FRAME_MSWINDOWS_HANDLE (frame);
+ − 1728
+ − 1729 /* According to the docs we need to check GetUpdateRect() before
+ − 1730 actually doing a WM_PAINT */
+ − 1731 if (GetUpdateRect (hwnd, NULL, FALSE))
+ − 1732 {
+ − 1733 PAINTSTRUCT paintStruct;
+ − 1734 int x, y, width, height;
+ − 1735
+ − 1736 BeginPaint (hwnd, &paintStruct);
+ − 1737 x = paintStruct.rcPaint.left;
+ − 1738 y = paintStruct.rcPaint.top;
+ − 1739 width = paintStruct.rcPaint.right - paintStruct.rcPaint.left;
+ − 1740 height = paintStruct.rcPaint.bottom - paintStruct.rcPaint.top;
+ − 1741 /* Normally we want to ignore expose events when child
+ − 1742 windows are unmapped, however once we are in the guts of
+ − 1743 WM_PAINT we need to make sure that we don't register
+ − 1744 unmaps then because they will not actually occur. */
+ − 1745 /* #### commenting out the next line seems to fix some problems
+ − 1746 but not all. only andy currently understands this stuff and
+ − 1747 he needs to review it more carefully. --ben */
+ − 1748 if (!check_for_ignored_expose (frame, x, y, width, height))
+ − 1749 {
+ − 1750 hold_ignored_expose_registration = 1;
+ − 1751 mswindows_redraw_exposed_area (frame, x, y, width, height);
+ − 1752 hold_ignored_expose_registration = 0;
+ − 1753 }
+ − 1754 EndPaint (hwnd, &paintStruct);
+ − 1755 }
+ − 1756 }
+ − 1757
+ − 1758 /*
+ − 1759 * Returns 1 if a key is a real modifier or special key, which
440
+ − 1760 * is better handled by DefWindowProc
+ − 1761 */
+ − 1762 static int
+ − 1763 key_needs_default_processing_p (UINT vkey)
+ − 1764 {
442
+ − 1765 if (mswindows_alt_by_itself_activates_menu && vkey == VK_MENU
+ − 1766 /* if we let ALT activate the menu like this, then sticky ALT-modified
+ − 1767 keystrokes become impossible. */
+ − 1768 && !modifier_keys_are_sticky)
440
+ − 1769 return 1;
+ − 1770
+ − 1771 return 0;
+ − 1772 }
+ − 1773
442
+ − 1774 /* key-handling code is always ugly. It just ends up working out
+ − 1775 that way.
+ − 1776
+ − 1777 #### Most of the sticky-modifier code below is copied from similar
+ − 1778 code in event-Xt.c. They should somehow or other be merged.
+ − 1779
+ − 1780 Here are some pointers:
+ − 1781
+ − 1782 -- DOWN_MASK indicates which modifiers should be treated as "down"
+ − 1783 when the corresponding upstroke happens. It gets reset for
+ − 1784 a particular modifier when that modifier goes up, and reset
+ − 1785 for all modifiers when a non-modifier key is pressed. Example:
+ − 1786
+ − 1787 I press Control-A-Shift and then release Control-A-Shift.
+ − 1788 I want the Shift key to be sticky but not the Control key.
+ − 1789
+ − 1790 -- If a modifier key is sticky, I can unstick it by pressing
+ − 1791 the modifier key again. */
+ − 1792
+ − 1793 static WPARAM last_downkey;
+ − 1794 static int need_to_add_mask, down_mask;
+ − 1795
+ − 1796 #define XEMSW_LCONTROL (1<<0)
+ − 1797 #define XEMSW_RCONTROL (1<<1)
+ − 1798 #define XEMSW_LSHIFT (1<<2)
+ − 1799 #define XEMSW_RSHIFT (1<<3)
+ − 1800 #define XEMSW_LMENU (1<<4)
+ − 1801 #define XEMSW_RMENU (1<<5)
+ − 1802
+ − 1803 static int
+ − 1804 mswindows_handle_sticky_modifiers (WPARAM wParam, LPARAM lParam,
+ − 1805 int downp, int keyp)
+ − 1806 {
+ − 1807 int mods = 0;
+ − 1808
+ − 1809 if (!modifier_keys_are_sticky) /* Optimize for non-sticky modifiers */
+ − 1810 return 0;
+ − 1811
+ − 1812 if (! (keyp &&
+ − 1813 (wParam == VK_CONTROL || wParam == VK_LCONTROL ||
+ − 1814 wParam == VK_RCONTROL ||
+ − 1815 wParam == VK_MENU || wParam == VK_LMENU ||
+ − 1816 wParam == VK_RMENU ||
+ − 1817 wParam == VK_SHIFT || wParam == VK_LSHIFT ||
+ − 1818 wParam == VK_RSHIFT)))
+ − 1819 { /* Not a modifier key */
+ − 1820 if (downp && keyp && !last_downkey)
+ − 1821 last_downkey = wParam;
+ − 1822 /* If I hold press-and-release the Control key and then press
+ − 1823 and hold down the right arrow, I want it to auto-repeat
+ − 1824 Control-Right. On the other hand, if I do the same but
+ − 1825 manually press the Right arrow a bunch of times, I want
+ − 1826 to see one Control-Right and then a bunch of Rights.
+ − 1827 This means that we need to distinguish between an
+ − 1828 auto-repeated key and a key pressed and released a bunch
+ − 1829 of times. */
+ − 1830 else if ((downp && !keyp) ||
+ − 1831 (downp && keyp && last_downkey &&
+ − 1832 (wParam != last_downkey ||
+ − 1833 /* the "previous key state" bit indicates autorepeat */
+ − 1834 ! (lParam & (1 << 30)))))
+ − 1835 {
+ − 1836 need_to_add_mask = 0;
+ − 1837 last_downkey = 0;
+ − 1838 }
+ − 1839 if (downp)
+ − 1840 down_mask = 0;
+ − 1841
+ − 1842 mods = need_to_add_mask;
+ − 1843 }
+ − 1844 else /* Modifier key pressed */
+ − 1845 {
+ − 1846 /* If a non-modifier key was pressed in the middle of a bunch
+ − 1847 of modifiers, then it unsticks all the modifiers that were
+ − 1848 previously pressed. We cannot unstick the modifiers until
+ − 1849 now because we want to check for auto-repeat of the
+ − 1850 non-modifier key. */
+ − 1851
+ − 1852 if (last_downkey)
+ − 1853 {
+ − 1854 last_downkey = 0;
+ − 1855 need_to_add_mask = 0;
+ − 1856 }
+ − 1857
+ − 1858 #define FROB(mask) \
+ − 1859 do { \
+ − 1860 if (downp && keyp) \
+ − 1861 { \
+ − 1862 /* If modifier key is already sticky, \
+ − 1863 then unstick it. Note that we do \
+ − 1864 not test down_mask to deal with the \
+ − 1865 unlikely but possible case that the \
+ − 1866 modifier key auto-repeats. */ \
+ − 1867 if (need_to_add_mask & mask) \
+ − 1868 { \
+ − 1869 need_to_add_mask &= ~mask; \
+ − 1870 down_mask &= ~mask; \
+ − 1871 } \
+ − 1872 else \
+ − 1873 down_mask |= mask; \
+ − 1874 } \
+ − 1875 else \
+ − 1876 { \
+ − 1877 if (down_mask & mask) \
+ − 1878 { \
+ − 1879 down_mask &= ~mask; \
+ − 1880 need_to_add_mask |= mask; \
+ − 1881 } \
+ − 1882 } \
+ − 1883 } while (0)
+ − 1884
+ − 1885 if ((wParam == VK_CONTROL && (lParam & 0x1000000))
+ − 1886 || wParam == VK_RCONTROL)
+ − 1887 FROB (XEMSW_RCONTROL);
+ − 1888 if ((wParam == VK_CONTROL && !(lParam & 0x1000000))
+ − 1889 || wParam == VK_LCONTROL)
+ − 1890 FROB (XEMSW_LCONTROL);
+ − 1891
+ − 1892 if ((wParam == VK_SHIFT && (lParam & 0x1000000))
+ − 1893 || wParam == VK_RSHIFT)
+ − 1894 FROB (XEMSW_RSHIFT);
+ − 1895 if ((wParam == VK_SHIFT && !(lParam & 0x1000000))
+ − 1896 || wParam == VK_LSHIFT)
+ − 1897 FROB (XEMSW_LSHIFT);
+ − 1898
+ − 1899 if ((wParam == VK_MENU && (lParam & 0x1000000))
+ − 1900 || wParam == VK_RMENU)
+ − 1901 FROB (XEMSW_RMENU);
+ − 1902 if ((wParam == VK_MENU && !(lParam & 0x1000000))
+ − 1903 || wParam == VK_LMENU)
+ − 1904 FROB (XEMSW_LMENU);
+ − 1905 }
+ − 1906 #undef FROB
+ − 1907
+ − 1908 if (mods && downp)
+ − 1909 {
+ − 1910 BYTE keymap[256];
+ − 1911
+ − 1912 GetKeyboardState (keymap);
+ − 1913
+ − 1914 if (mods & XEMSW_LCONTROL)
+ − 1915 {
+ − 1916 keymap [VK_CONTROL] |= 0x80;
+ − 1917 keymap [VK_LCONTROL] |= 0x80;
+ − 1918 }
+ − 1919 if (mods & XEMSW_RCONTROL)
+ − 1920 {
+ − 1921 keymap [VK_CONTROL] |= 0x80;
+ − 1922 keymap [VK_RCONTROL] |= 0x80;
+ − 1923 }
+ − 1924
+ − 1925 if (mods & XEMSW_LSHIFT)
+ − 1926 {
+ − 1927 keymap [VK_SHIFT] |= 0x80;
+ − 1928 keymap [VK_LSHIFT] |= 0x80;
+ − 1929 }
+ − 1930 if (mods & XEMSW_RSHIFT)
+ − 1931 {
+ − 1932 keymap [VK_SHIFT] |= 0x80;
+ − 1933 keymap [VK_RSHIFT] |= 0x80;
+ − 1934 }
+ − 1935
+ − 1936 if (mods & XEMSW_LMENU)
+ − 1937 {
+ − 1938 keymap [VK_MENU] |= 0x80;
+ − 1939 keymap [VK_LMENU] |= 0x80;
+ − 1940 }
+ − 1941 if (mods & XEMSW_RMENU)
+ − 1942 {
+ − 1943 keymap [VK_MENU] |= 0x80;
+ − 1944 keymap [VK_RMENU] |= 0x80;
+ − 1945 }
+ − 1946
+ − 1947 SetKeyboardState (keymap);
+ − 1948 return 1;
+ − 1949 }
+ − 1950
+ − 1951 return 0;
+ − 1952 }
+ − 1953
+ − 1954 static void
+ − 1955 clear_sticky_modifiers (void)
+ − 1956 {
+ − 1957 need_to_add_mask = 0;
+ − 1958 last_downkey = 0;
+ − 1959 down_mask = 0;
+ − 1960 }
+ − 1961
+ − 1962 #ifdef DEBUG_XEMACS
+ − 1963
+ − 1964 #if 0
+ − 1965
+ − 1966 static void
+ − 1967 output_modifier_keyboard_state (void)
+ − 1968 {
+ − 1969 BYTE keymap[256];
+ − 1970
+ − 1971 GetKeyboardState (keymap);
+ − 1972
+ − 1973 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
+ − 1974 keymap[VK_MENU] & 0x80 ? 1 : 0,
+ − 1975 keymap[VK_MENU] & 0x1 ? 1 : 0,
+ − 1976 keymap[VK_LMENU] & 0x80 ? 1 : 0,
+ − 1977 keymap[VK_LMENU] & 0x1 ? 1 : 0,
+ − 1978 keymap[VK_RMENU] & 0x80 ? 1 : 0,
+ − 1979 keymap[VK_RMENU] & 0x1 ? 1 : 0);
+ − 1980 stderr_out ("GetKeyboardState VK_CONTROL %d %d VK_LCONTROL %d %d VK_RCONTROL %d %d\n",
+ − 1981 keymap[VK_CONTROL] & 0x80 ? 1 : 0,
+ − 1982 keymap[VK_CONTROL] & 0x1 ? 1 : 0,
+ − 1983 keymap[VK_LCONTROL] & 0x80 ? 1 : 0,
+ − 1984 keymap[VK_LCONTROL] & 0x1 ? 1 : 0,
+ − 1985 keymap[VK_RCONTROL] & 0x80 ? 1 : 0,
+ − 1986 keymap[VK_RCONTROL] & 0x1 ? 1 : 0);
+ − 1987 stderr_out ("GetKeyboardState VK_SHIFT %d %d VK_LSHIFT %d %d VK_RSHIFT %d %d\n",
+ − 1988 keymap[VK_SHIFT] & 0x80 ? 1 : 0,
+ − 1989 keymap[VK_SHIFT] & 0x1 ? 1 : 0,
+ − 1990 keymap[VK_LSHIFT] & 0x80 ? 1 : 0,
+ − 1991 keymap[VK_LSHIFT] & 0x1 ? 1 : 0,
+ − 1992 keymap[VK_RSHIFT] & 0x80 ? 1 : 0,
+ − 1993 keymap[VK_RSHIFT] & 0x1 ? 1 : 0);
+ − 1994 }
+ − 1995
+ − 1996 #endif
+ − 1997
+ − 1998 /* try to debug the stuck-alt-key problem.
+ − 1999
+ − 2000 #### this happens only inconsistently, and may only happen when using
+ − 2001 StickyKeys in the Win2000 accessibility section of the control panel,
+ − 2002 which is extremely broken for other reasons. */
+ − 2003
+ − 2004 static void
+ − 2005 output_alt_keyboard_state (void)
+ − 2006 {
+ − 2007 BYTE keymap[256];
+ − 2008 SHORT keystate[3];
+ − 2009 // SHORT asyncstate[3];
+ − 2010
+ − 2011 GetKeyboardState (keymap);
+ − 2012 keystate[0] = GetKeyState (VK_MENU);
+ − 2013 keystate[1] = GetKeyState (VK_LMENU);
+ − 2014 keystate[2] = GetKeyState (VK_RMENU);
+ − 2015 /* Doing this interferes with key processing. */
+ − 2016 /* asyncstate[0] = GetAsyncKeyState (VK_MENU); */
+ − 2017 /* asyncstate[1] = GetAsyncKeyState (VK_LMENU); */
+ − 2018 /* asyncstate[2] = GetAsyncKeyState (VK_RMENU); */
+ − 2019
+ − 2020 stderr_out ("GetKeyboardState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
+ − 2021 keymap[VK_MENU] & 0x80 ? 1 : 0,
+ − 2022 keymap[VK_MENU] & 0x1 ? 1 : 0,
+ − 2023 keymap[VK_LMENU] & 0x80 ? 1 : 0,
+ − 2024 keymap[VK_LMENU] & 0x1 ? 1 : 0,
+ − 2025 keymap[VK_RMENU] & 0x80 ? 1 : 0,
+ − 2026 keymap[VK_RMENU] & 0x1 ? 1 : 0);
+ − 2027 stderr_out ("GetKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n",
+ − 2028 keystate[0] & 0x8000 ? 1 : 0,
+ − 2029 keystate[0] & 0x1 ? 1 : 0,
+ − 2030 keystate[1] & 0x8000 ? 1 : 0,
+ − 2031 keystate[1] & 0x1 ? 1 : 0,
+ − 2032 keystate[2] & 0x8000 ? 1 : 0,
+ − 2033 keystate[2] & 0x1 ? 1 : 0);
+ − 2034 /* stderr_out ("GetAsyncKeyState VK_MENU %d %d VK_LMENU %d %d VK_RMENU %d %d\n", */
+ − 2035 /* asyncstate[0] & 0x8000 ? 1 : 0, */
+ − 2036 /* asyncstate[0] & 0x1 ? 1 : 0, */
+ − 2037 /* asyncstate[1] & 0x8000 ? 1 : 0, */
+ − 2038 /* asyncstate[1] & 0x1 ? 1 : 0, */
+ − 2039 /* asyncstate[2] & 0x8000 ? 1 : 0, */
+ − 2040 /* asyncstate[2] & 0x1 ? 1 : 0); */
+ − 2041 }
+ − 2042
+ − 2043 #endif /* DEBUG_XEMACS */
+ − 2044
+ − 2045
440
+ − 2046 /*
428
+ − 2047 * The windows procedure for the window class XEMACS_CLASS
+ − 2048 */
+ − 2049 LRESULT WINAPI
442
+ − 2050 mswindows_wnd_proc (HWND hwnd, UINT message_, WPARAM wParam, LPARAM lParam)
428
+ − 2051 {
+ − 2052 /* Note: Remember to initialize emacs_event and event before use.
+ − 2053 This code calls code that can GC. You must GCPRO before calling such code. */
+ − 2054 Lisp_Object emacs_event = Qnil;
+ − 2055 Lisp_Object fobj = Qnil;
+ − 2056
440
+ − 2057 Lisp_Event *event;
428
+ − 2058 struct frame *frame;
+ − 2059 struct mswindows_frame* msframe;
+ − 2060
442
+ − 2061 /* Not perfect but avoids crashes. There is potential for wierd
+ − 2062 behavior here. */
+ − 2063 if (gc_in_progress)
+ − 2064 goto defproc;
+ − 2065
+ − 2066 assert (!GetWindowLong (hwnd, GWL_USERDATA));
+ − 2067 switch (message_)
428
+ − 2068 {
442
+ − 2069 case WM_DESTROYCLIPBOARD:
+ − 2070 /* We own the clipboard and someone else wants it. Delete our
+ − 2071 cached copy of the clipboard contents so we'll ask for it from
+ − 2072 Windows again when someone does a paste, and destroy any memory
+ − 2073 objects we hold on the clipboard that are not in the list of types
+ − 2074 that Windows will delete itself. */
+ − 2075 mswindows_destroy_selection (QCLIPBOARD);
+ − 2076 handle_selection_clear (QCLIPBOARD);
+ − 2077 break;
+ − 2078
+ − 2079 case WM_ERASEBKGND:
+ − 2080 /* Erase background only during non-dynamic sizing */
+ − 2081 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2082 if (msframe->sizing && !mswindows_dynamic_frame_resize)
+ − 2083 goto defproc;
+ − 2084 return 1;
+ − 2085
+ − 2086 case WM_CLOSE:
+ − 2087 fobj = mswindows_find_frame (hwnd);
+ − 2088 mswindows_enqueue_misc_user_event (fobj, Qeval, list3 (Qdelete_frame, fobj, Qt));
440
+ − 2089 break;
428
+ − 2090
442
+ − 2091 case WM_KEYUP:
+ − 2092 case WM_SYSKEYUP:
+ − 2093
+ − 2094 /* See Win95 comment under WM_KEYDOWN */
+ − 2095 {
+ − 2096 BYTE keymap[256];
+ − 2097 int should_set_keymap = 0;
+ − 2098
+ − 2099 #ifdef DEBUG_XEMACS
+ − 2100 if (debug_mswindows_events)
+ − 2101 {
+ − 2102 stderr_out ("%s wparam=%d lparam=%d\n",
+ − 2103 message_ == WM_KEYUP ? "WM_KEYUP" : "WM_SYSKEYUP",
+ − 2104 wParam, (int)lParam);
+ − 2105 output_alt_keyboard_state ();
+ − 2106 }
+ − 2107 #endif /* DEBUG_XEMACS */
+ − 2108
+ − 2109 mswindows_handle_sticky_modifiers (wParam, lParam, 0, 1);
+ − 2110 if (wParam == VK_CONTROL)
+ − 2111 {
+ − 2112 GetKeyboardState (keymap);
+ − 2113 keymap [(lParam & 0x1000000) ? VK_RCONTROL : VK_LCONTROL] &= ~0x80;
+ − 2114 should_set_keymap = 1;
+ − 2115 }
+ − 2116 else if (wParam == VK_MENU)
+ − 2117 {
+ − 2118 GetKeyboardState (keymap);
+ − 2119 keymap [(lParam & 0x1000000) ? VK_RMENU : VK_LMENU] &= ~0x80;
+ − 2120 should_set_keymap = 1;
+ − 2121 }
+ − 2122
+ − 2123 if (should_set_keymap)
+ − 2124 // && (message_ != WM_SYSKEYUP
+ − 2125 // || NILP (Vmenu_accelerator_enabled)))
428
+ − 2126 SetKeyboardState (keymap);
+ − 2127
+ − 2128 }
442
+ − 2129
+ − 2130 if (key_needs_default_processing_p (wParam))
+ − 2131 goto defproc;
+ − 2132 else
+ − 2133 break;
+ − 2134
+ − 2135 case WM_KEYDOWN:
+ − 2136 case WM_SYSKEYDOWN:
+ − 2137
+ − 2138 /* In some locales the right-hand Alt key is labelled AltGr. This key
+ − 2139 * should produce alternative characters when combined with another key.
+ − 2140 * eg on a German keyboard pressing AltGr+q should produce '@'.
+ − 2141 * AltGr generates exactly the same keystrokes as LCtrl+RAlt. But if
+ − 2142 * TranslateMessage() is called with *any* combination of Ctrl+Alt down,
+ − 2143 * it translates as if AltGr were down.
+ − 2144 * We get round this by removing all modifiers from the keymap before
+ − 2145 * calling TranslateMessage() unless AltGr is *really* down. */
428
+ − 2146 {
442
+ − 2147 BYTE keymap_trans[256];
+ − 2148 BYTE keymap_orig[256];
+ − 2149 BYTE keymap_sticky[256];
+ − 2150 int has_AltGr = mswindows_current_layout_has_AltGr ();
502
+ − 2151 int mods = 0, mods_with_shift = 0;
442
+ − 2152 int extendedp = lParam & 0x1000000;
+ − 2153 Lisp_Object keysym;
+ − 2154 int sticky_changed;
+ − 2155
+ − 2156 #ifdef DEBUG_XEMACS
+ − 2157 if (debug_mswindows_events)
428
+ − 2158 {
442
+ − 2159 stderr_out ("%s wparam=%d lparam=%d\n",
+ − 2160 message_ == WM_KEYDOWN ? "WM_KEYDOWN" : "WM_SYSKEYDOWN",
+ − 2161 wParam, (int)lParam);
+ − 2162 output_alt_keyboard_state ();
428
+ − 2163 }
442
+ − 2164 #endif /* DEBUG_XEMACS */
+ − 2165
+ − 2166 GetKeyboardState (keymap_orig);
+ − 2167 frame = XFRAME (mswindows_find_frame (hwnd));
+ − 2168 if ((sticky_changed =
+ − 2169 mswindows_handle_sticky_modifiers (wParam, lParam, 1, 1)))
428
+ − 2170 {
442
+ − 2171 GetKeyboardState (keymap_sticky);
+ − 2172 if (keymap_sticky[VK_MENU] & 0x80)
+ − 2173 {
+ − 2174 message_ = WM_SYSKEYDOWN;
+ − 2175 /* We have to set the "context bit" so that the
+ − 2176 TranslateMessage() call below that generates the
+ − 2177 SYSCHAR message does its thing; see the documentation
+ − 2178 on WM_SYSKEYDOWN */
+ − 2179 lParam |= 1 << 29;
+ − 2180 }
428
+ − 2181 }
+ − 2182 else
442
+ − 2183 memcpy (keymap_sticky, keymap_orig, 256);
+ − 2184
+ − 2185 mods = mswindows_modifier_state (keymap_sticky, (DWORD) -1, has_AltGr);
502
+ − 2186 mods_with_shift = mods;
442
+ − 2187
+ − 2188 /* Handle non-printables */
+ − 2189 if (!NILP (keysym = mswindows_key_to_emacs_keysym (wParam, mods,
+ − 2190 extendedp)))
428
+ − 2191 {
442
+ − 2192 mswindows_enqueue_keypress_event (hwnd, keysym, mods);
+ − 2193 if (sticky_changed)
+ − 2194 SetKeyboardState (keymap_orig);
428
+ − 2195 }
442
+ − 2196 else /* Normal keys & modifiers */
428
+ − 2197 {
442
+ − 2198 Emchar quit_ch =
+ − 2199 CONSOLE_QUIT_CHAR (XCONSOLE (mswindows_find_console (hwnd)));
+ − 2200 POINT pnt = { LOWORD (GetMessagePos()), HIWORD (GetMessagePos()) };
+ − 2201 MSG msg, tranmsg;
+ − 2202 int potential_accelerator = 0;
+ − 2203 int got_accelerator = 0;
+ − 2204
+ − 2205 msg.hwnd = hwnd;
+ − 2206 msg.message = message_;
+ − 2207 msg.wParam = wParam;
+ − 2208 msg.lParam = lParam;
+ − 2209 msg.time = GetMessageTime();
+ − 2210 msg.pt = pnt;
+ − 2211
+ − 2212 /* GetKeyboardState() does not work as documented on Win95. We have
+ − 2213 * to loosely track Left and Right modifiers on behalf of the OS,
+ − 2214 * without screwing up Windows NT which tracks them properly. */
+ − 2215 if (wParam == VK_CONTROL)
+ − 2216 {
+ − 2217 keymap_orig[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
+ − 2218 keymap_sticky[extendedp ? VK_RCONTROL : VK_LCONTROL] |= 0x80;
+ − 2219 }
+ − 2220 else if (wParam == VK_MENU)
+ − 2221 {
+ − 2222 keymap_orig[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
+ − 2223 keymap_sticky[extendedp ? VK_RMENU : VK_LMENU] |= 0x80;
+ − 2224 }
+ − 2225
+ − 2226 if (!NILP (Vmenu_accelerator_enabled) &&
+ − 2227 !(mods & XEMACS_MOD_SHIFT) && message_ == WM_SYSKEYDOWN)
+ − 2228 potential_accelerator = 1;
+ − 2229
+ − 2230 /* Remove shift modifier from an ascii character */
+ − 2231 mods &= ~XEMACS_MOD_SHIFT;
+ − 2232
+ − 2233 memcpy (keymap_trans, keymap_sticky, 256);
+ − 2234
+ − 2235 /* Clear control and alt modifiers unless AltGr is pressed */
+ − 2236 keymap_trans[VK_RCONTROL] = 0;
+ − 2237 keymap_trans[VK_LMENU] = 0;
+ − 2238 if (!has_AltGr || !(keymap_trans[VK_LCONTROL] & 0x80)
+ − 2239 || !(keymap_trans[VK_RMENU] & 0x80))
+ − 2240 {
+ − 2241 keymap_trans[VK_LCONTROL] = 0;
+ − 2242 keymap_trans[VK_CONTROL] = 0;
+ − 2243 keymap_trans[VK_RMENU] = 0;
+ − 2244 keymap_trans[VK_MENU] = 0;
+ − 2245 }
+ − 2246 SetKeyboardState (keymap_trans);
+ − 2247
+ − 2248 /* Maybe generate some WM_[SYS]CHARs in the queue */
+ − 2249 TranslateMessage (&msg);
+ − 2250
+ − 2251 while (PeekMessage (&tranmsg, hwnd, WM_CHAR, WM_CHAR, PM_REMOVE)
+ − 2252 || PeekMessage (&tranmsg, hwnd, WM_SYSCHAR, WM_SYSCHAR,
+ − 2253 PM_REMOVE))
+ − 2254 {
502
+ − 2255 int mods_with_quit = mods;
442
+ − 2256 WPARAM ch = tranmsg.wParam;
+ − 2257
+ − 2258 /* If a quit char with no modifiers other than control and
+ − 2259 shift, then mark it with a fake modifier, which is removed
+ − 2260 upon dequeueing the event */
502
+ − 2261 /* !!#### Fix this in my mule ws -- replace current_buffer
+ − 2262 with 0 */
442
+ − 2263 if (((quit_ch < ' ' && (mods & XEMACS_MOD_CONTROL)
502
+ − 2264 && DOWNCASE (current_buffer, quit_ch + 'a' - 1) ==
+ − 2265 DOWNCASE (current_buffer, ch))
442
+ − 2266 || (quit_ch >= ' ' && !(mods & XEMACS_MOD_CONTROL)
502
+ − 2267 && DOWNCASE (current_buffer, quit_ch) ==
+ − 2268 DOWNCASE (current_buffer, ch)))
+ − 2269 && ((mods_with_shift &
+ − 2270 ~(XEMACS_MOD_CONTROL | XEMACS_MOD_SHIFT))
442
+ − 2271 == 0))
+ − 2272 {
502
+ − 2273 mods_with_quit |= FAKE_MOD_QUIT;
+ − 2274 if (mods_with_shift & XEMACS_MOD_SHIFT)
+ − 2275 mods_with_quit |= FAKE_MOD_QUIT_CRITICAL;
442
+ − 2276 ++mswindows_quit_chars_count;
+ − 2277 }
+ − 2278 else if (potential_accelerator && !got_accelerator &&
+ − 2279 mswindows_char_is_accelerator (frame, ch))
+ − 2280 {
+ − 2281 got_accelerator = 1;
+ − 2282 break;
+ − 2283 }
502
+ − 2284 mswindows_enqueue_keypress_event (hwnd, make_char (ch),
+ − 2285 mods_with_quit);
442
+ − 2286 } /* while */
+ − 2287
+ − 2288 /* This generates WM_SYSCHAR messages, which are interpreted
+ − 2289 by DefWindowProc as the menu selections. */
+ − 2290 if (got_accelerator)
+ − 2291 {
+ − 2292 SetKeyboardState (keymap_sticky);
+ − 2293 TranslateMessage (&msg);
+ − 2294 SetKeyboardState (keymap_orig);
+ − 2295 goto defproc;
+ − 2296 }
+ − 2297
+ − 2298 SetKeyboardState (keymap_orig);
+ − 2299 } /* else */
428
+ − 2300 }
442
+ − 2301
+ − 2302 if (key_needs_default_processing_p (wParam))
+ − 2303 goto defproc;
+ − 2304 else
+ − 2305 break;
+ − 2306
+ − 2307 case WM_MBUTTONDOWN:
+ − 2308 case WM_MBUTTONUP:
+ − 2309 /* Real middle mouse button has nothing to do with emulated one:
+ − 2310 if one wants to exercise fingers playing chords on the mouse,
+ − 2311 he is allowed to do that! */
+ − 2312 mswindows_enqueue_mouse_button_event (hwnd, message_,
+ − 2313 MAKEPOINTS (lParam),
+ − 2314 wParam &~ MK_MBUTTON,
+ − 2315 GetMessageTime());
+ − 2316 break;
+ − 2317
+ − 2318 case WM_LBUTTONUP:
+ − 2319 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2320 msframe->last_click_time = GetMessageTime();
+ − 2321
+ − 2322 KillTimer (hwnd, BUTTON_2_TIMER_ID);
+ − 2323 msframe->button2_need_lbutton = 0;
+ − 2324 if (msframe->ignore_next_lbutton_up)
+ − 2325 {
+ − 2326 msframe->ignore_next_lbutton_up = 0;
+ − 2327 }
+ − 2328 else if (msframe->button2_is_down)
+ − 2329 {
+ − 2330 msframe->button2_is_down = 0;
+ − 2331 msframe->ignore_next_rbutton_up = 1;
+ − 2332 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
+ − 2333 MAKEPOINTS (lParam),
+ − 2334 wParam
+ − 2335 &~ (MK_LBUTTON | MK_MBUTTON
+ − 2336 | MK_RBUTTON),
+ − 2337 GetMessageTime());
+ − 2338 }
+ − 2339 else
+ − 2340 {
+ − 2341 if (msframe->button2_need_rbutton)
+ − 2342 {
+ − 2343 msframe->button2_need_rbutton = 0;
+ − 2344 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
+ − 2345 MAKEPOINTS (lParam),
+ − 2346 wParam &~ MK_LBUTTON,
+ − 2347 GetMessageTime());
+ − 2348 }
+ − 2349 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONUP,
+ − 2350 MAKEPOINTS (lParam),
+ − 2351 wParam &~ MK_LBUTTON,
+ − 2352 GetMessageTime());
+ − 2353 }
+ − 2354 break;
+ − 2355
+ − 2356 case WM_RBUTTONUP:
+ − 2357 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2358 msframe->last_click_time = GetMessageTime();
+ − 2359
+ − 2360 KillTimer (hwnd, BUTTON_2_TIMER_ID);
+ − 2361 msframe->button2_need_rbutton = 0;
+ − 2362 if (msframe->ignore_next_rbutton_up)
+ − 2363 {
+ − 2364 msframe->ignore_next_rbutton_up = 0;
+ − 2365 }
+ − 2366 else if (msframe->button2_is_down)
+ − 2367 {
+ − 2368 msframe->button2_is_down = 0;
+ − 2369 msframe->ignore_next_lbutton_up = 1;
+ − 2370 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONUP,
+ − 2371 MAKEPOINTS (lParam),
+ − 2372 wParam
+ − 2373 &~ (MK_LBUTTON | MK_MBUTTON
+ − 2374 | MK_RBUTTON),
+ − 2375 GetMessageTime());
+ − 2376 }
+ − 2377 else
+ − 2378 {
+ − 2379 if (msframe->button2_need_lbutton)
+ − 2380 {
+ − 2381 msframe->button2_need_lbutton = 0;
+ − 2382 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
+ − 2383 MAKEPOINTS (lParam),
+ − 2384 wParam &~ MK_RBUTTON,
+ − 2385 GetMessageTime());
+ − 2386 }
+ − 2387 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONUP,
+ − 2388 MAKEPOINTS (lParam),
+ − 2389 wParam &~ MK_RBUTTON,
+ − 2390 GetMessageTime());
+ − 2391 }
+ − 2392 break;
+ − 2393
+ − 2394 case WM_LBUTTONDOWN:
+ − 2395 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2396
+ − 2397 if (msframe->button2_need_lbutton)
428
+ − 2398 {
+ − 2399 KillTimer (hwnd, BUTTON_2_TIMER_ID);
442
+ − 2400 msframe->button2_need_lbutton = 0;
+ − 2401 msframe->button2_need_rbutton = 0;
+ − 2402 if (mswindows_button2_near_enough (msframe->last_click_point,
+ − 2403 MAKEPOINTS (lParam)))
428
+ − 2404 {
442
+ − 2405 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
+ − 2406 MAKEPOINTS (lParam),
+ − 2407 wParam
+ − 2408 &~ (MK_LBUTTON | MK_MBUTTON
+ − 2409 | MK_RBUTTON),
+ − 2410 GetMessageTime());
+ − 2411 msframe->button2_is_down = 1;
428
+ − 2412 }
442
+ − 2413 else
428
+ − 2414 {
442
+ − 2415 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
+ − 2416 msframe->last_click_point,
+ − 2417 msframe->last_click_mods
+ − 2418 &~ MK_RBUTTON,
+ − 2419 msframe->last_click_time);
+ − 2420 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
+ − 2421 MAKEPOINTS (lParam),
+ − 2422 wParam &~ MK_LBUTTON,
+ − 2423 GetMessageTime());
428
+ − 2424 }
+ − 2425 }
+ − 2426 else
442
+ − 2427 {
+ − 2428 mswindows_set_chord_timer (hwnd);
+ − 2429 msframe->button2_need_rbutton = 1;
+ − 2430 msframe->last_click_point = MAKEPOINTS (lParam);
+ − 2431 msframe->last_click_mods = wParam;
+ − 2432 }
+ − 2433 msframe->last_click_time = GetMessageTime();
+ − 2434 break;
+ − 2435
+ − 2436 case WM_RBUTTONDOWN:
+ − 2437 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2438
+ − 2439 if (msframe->button2_need_rbutton)
428
+ − 2440 {
442
+ − 2441 KillTimer (hwnd, BUTTON_2_TIMER_ID);
+ − 2442 msframe->button2_need_lbutton = 0;
+ − 2443 msframe->button2_need_rbutton = 0;
+ − 2444 if (mswindows_button2_near_enough (msframe->last_click_point,
+ − 2445 MAKEPOINTS (lParam)))
+ − 2446 {
+ − 2447 mswindows_enqueue_mouse_button_event (hwnd, WM_MBUTTONDOWN,
+ − 2448 MAKEPOINTS (lParam),
+ − 2449 wParam
+ − 2450 &~ (MK_LBUTTON | MK_MBUTTON
+ − 2451 | MK_RBUTTON),
+ − 2452 GetMessageTime());
+ − 2453 msframe->button2_is_down = 1;
+ − 2454 }
+ − 2455 else
+ − 2456 {
+ − 2457 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
+ − 2458 msframe->last_click_point,
+ − 2459 msframe->last_click_mods
+ − 2460 &~ MK_LBUTTON,
+ − 2461 msframe->last_click_time);
+ − 2462 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
+ − 2463 MAKEPOINTS (lParam),
+ − 2464 wParam &~ MK_RBUTTON,
+ − 2465 GetMessageTime());
+ − 2466 }
428
+ − 2467 }
+ − 2468 else
+ − 2469 {
442
+ − 2470 mswindows_set_chord_timer (hwnd);
+ − 2471 msframe->button2_need_lbutton = 1;
+ − 2472 msframe->last_click_point = MAKEPOINTS (lParam);
+ − 2473 msframe->last_click_mods = wParam;
+ − 2474 }
+ − 2475 msframe->last_click_time = GetMessageTime();
+ − 2476 break;
+ − 2477
+ − 2478 case WM_TIMER:
+ − 2479 if (wParam == BUTTON_2_TIMER_ID)
+ − 2480 {
+ − 2481 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2482 KillTimer (hwnd, BUTTON_2_TIMER_ID);
+ − 2483
+ − 2484 if (msframe->button2_need_lbutton)
+ − 2485 {
+ − 2486 msframe->button2_need_lbutton = 0;
+ − 2487 mswindows_enqueue_mouse_button_event (hwnd, WM_RBUTTONDOWN,
+ − 2488 msframe->last_click_point,
+ − 2489 msframe->last_click_mods
+ − 2490 &~ MK_RBUTTON,
+ − 2491 msframe->last_click_time);
+ − 2492 }
+ − 2493 else if (msframe->button2_need_rbutton)
+ − 2494 {
+ − 2495 msframe->button2_need_rbutton = 0;
+ − 2496 mswindows_enqueue_mouse_button_event (hwnd, WM_LBUTTONDOWN,
+ − 2497 msframe->last_click_point,
+ − 2498 msframe->last_click_mods
+ − 2499 &~ MK_LBUTTON,
+ − 2500 msframe->last_click_time);
+ − 2501 }
+ − 2502 }
+ − 2503 else
+ − 2504 assert ("Spurious timer fired" == 0);
+ − 2505 break;
+ − 2506
+ − 2507 case WM_MOUSEMOVE:
+ − 2508 /* Optimization: don't report mouse movement while size is changing */
+ − 2509 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2510 if (!msframe->sizing)
+ − 2511 {
+ − 2512 /* When waiting for the second mouse button to finish
+ − 2513 button2 emulation, and have moved too far, just pretend
+ − 2514 as if timer has expired. This improves drag-select feedback */
+ − 2515 if ((msframe->button2_need_lbutton || msframe->button2_need_rbutton)
+ − 2516 && !mswindows_button2_near_enough (msframe->last_click_point,
+ − 2517 MAKEPOINTS (lParam)))
428
+ − 2518 {
442
+ − 2519 KillTimer (hwnd, BUTTON_2_TIMER_ID);
+ − 2520 SendMessage (hwnd, WM_TIMER, BUTTON_2_TIMER_ID, 0);
+ − 2521 }
+ − 2522
+ − 2523 emacs_event = Fmake_event (Qnil, Qnil);
+ − 2524 event = XEVENT(emacs_event);
+ − 2525
+ − 2526 event->channel = mswindows_find_frame(hwnd);
+ − 2527 event->timestamp = GetMessageTime();
+ − 2528 event->event_type = pointer_motion_event;
+ − 2529 event->event.motion.x = MAKEPOINTS(lParam).x;
+ − 2530 event->event.motion.y = MAKEPOINTS(lParam).y;
+ − 2531 event->event.motion.modifiers =
+ − 2532 mswindows_modifier_state (NULL, wParam, 0);
+ − 2533
+ − 2534 mswindows_enqueue_dispatch_event (emacs_event);
+ − 2535 }
+ − 2536 break;
+ − 2537
+ − 2538 case WM_CANCELMODE:
+ − 2539 ReleaseCapture ();
+ − 2540 /* Queue a `cancel-mode-internal' misc user event, so mouse
+ − 2541 selection would be canceled if any */
+ − 2542 mswindows_enqueue_misc_user_event (mswindows_find_frame (hwnd),
+ − 2543 Qcancel_mode_internal, Qnil);
+ − 2544 break;
+ − 2545
+ − 2546 case WM_NOTIFY:
+ − 2547 {
+ − 2548 LPNMHDR nmhdr = (LPNMHDR)lParam;
+ − 2549
+ − 2550 if (nmhdr->code == TTN_NEEDTEXT)
+ − 2551 {
+ − 2552 #ifdef HAVE_TOOLBARS
+ − 2553 LPTOOLTIPTEXT tttext = (LPTOOLTIPTEXT)lParam;
+ − 2554 Lisp_Object btext;
+ − 2555
+ − 2556 /* find out which toolbar */
+ − 2557 frame = XFRAME (mswindows_find_frame (hwnd));
+ − 2558 btext = mswindows_get_toolbar_button_text ( frame,
+ − 2559 nmhdr->idFrom );
+ − 2560
+ − 2561 tttext->lpszText = NULL;
+ − 2562 tttext->hinst = NULL;
+ − 2563
+ − 2564 if (!NILP(btext))
+ − 2565 {
+ − 2566 /* I think this is safe since the text will only go away
+ − 2567 when the toolbar does...*/
+ − 2568 LISP_STRING_TO_EXTERNAL (btext, tttext->lpszText, Qnative);
+ − 2569 }
+ − 2570 #endif
+ − 2571 }
+ − 2572 /* handle tree view callbacks */
+ − 2573 else if (nmhdr->code == TVN_SELCHANGED)
+ − 2574 {
+ − 2575 NM_TREEVIEW* ptree = (NM_TREEVIEW*)lParam;
+ − 2576 frame = XFRAME (mswindows_find_frame (hwnd));
+ − 2577 mswindows_handle_gui_wm_command (frame, 0, ptree->itemNew.lParam);
+ − 2578 }
+ − 2579 /* handle tab control callbacks */
+ − 2580 else if (nmhdr->code == TCN_SELCHANGE)
+ − 2581 {
+ − 2582 TC_ITEM item;
+ − 2583 int idx = SendMessage (nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
+ − 2584 frame = XFRAME (mswindows_find_frame (hwnd));
+ − 2585
+ − 2586 item.mask = TCIF_PARAM;
+ − 2587 SendMessage (nmhdr->hwndFrom, TCM_GETITEM, (WPARAM)idx,
+ − 2588 (LPARAM)&item);
+ − 2589
+ − 2590 mswindows_handle_gui_wm_command (frame, 0, item.lParam);
+ − 2591 }
+ − 2592 }
+ − 2593 break;
+ − 2594
+ − 2595 case WM_PAINT:
+ − 2596 /* hdc will be NULL unless this is a subwindow - in which case we
+ − 2597 shouldn't have received a paint message for it here. */
+ − 2598 assert (wParam == 0);
+ − 2599
+ − 2600 /* Can't queue a magic event because windows goes modal and sends paint
+ − 2601 messages directly to the windows procedure when doing solid drags
+ − 2602 and the message queue doesn't get processed. */
+ − 2603 mswindows_handle_paint (XFRAME (mswindows_find_frame (hwnd)));
+ − 2604 break;
+ − 2605
+ − 2606 case WM_SIZE:
+ − 2607 /* We only care about this message if our size has really changed */
+ − 2608 if (wParam==SIZE_RESTORED || wParam==SIZE_MAXIMIZED || wParam==SIZE_MINIMIZED)
+ − 2609 {
+ − 2610 RECT rect;
+ − 2611 int columns, rows;
+ − 2612
+ − 2613 fobj = mswindows_find_frame (hwnd);
+ − 2614 frame = XFRAME (fobj);
+ − 2615 msframe = FRAME_MSWINDOWS_DATA (frame);
+ − 2616
+ − 2617 /* We cannot handle frame map and unmap hooks right in
+ − 2618 this routine, because these may throw. We queue
+ − 2619 magic events to run these hooks instead - kkm */
+ − 2620
+ − 2621 if (wParam==SIZE_MINIMIZED)
+ − 2622 {
+ − 2623 /* Iconified */
+ − 2624 FRAME_VISIBLE_P (frame) = 0;
+ − 2625 mswindows_enqueue_magic_event (hwnd, XM_UNMAPFRAME);
428
+ − 2626 }
+ − 2627 else
+ − 2628 {
442
+ − 2629 GetClientRect(hwnd, &rect);
+ − 2630 FRAME_PIXWIDTH(frame) = rect.right;
+ − 2631 FRAME_PIXHEIGHT(frame) = rect.bottom;
+ − 2632
+ − 2633 pixel_to_real_char_size (frame, rect.right, rect.bottom,
+ − 2634 &FRAME_MSWINDOWS_CHARWIDTH (frame),
+ − 2635 &FRAME_MSWINDOWS_CHARHEIGHT (frame));
+ − 2636
+ − 2637 pixel_to_char_size (frame, rect.right, rect.bottom, &columns, &rows);
+ − 2638 change_frame_size (frame, rows, columns, 1);
+ − 2639
+ − 2640 /* If we are inside frame creation, we have to apply geometric
+ − 2641 properties now. */
+ − 2642 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
+ − 2643 {
+ − 2644 /* Yes, we have to size again */
+ − 2645 mswindows_size_frame_internal ( frame,
+ − 2646 FRAME_MSWINDOWS_TARGET_RECT
+ − 2647 (frame));
+ − 2648 /* Reset so we do not get here again. The SetWindowPos call in
+ − 2649 * mswindows_size_frame_internal can cause recursion here. */
+ − 2650 if (FRAME_MSWINDOWS_TARGET_RECT (frame))
+ − 2651 {
+ − 2652 xfree (FRAME_MSWINDOWS_TARGET_RECT (frame));
+ − 2653 FRAME_MSWINDOWS_TARGET_RECT (frame) = 0;
+ − 2654 }
+ − 2655 }
+ − 2656 else
+ − 2657 {
+ − 2658 if (!msframe->sizing && !FRAME_VISIBLE_P (frame))
+ − 2659 mswindows_enqueue_magic_event (hwnd, XM_MAPFRAME);
+ − 2660 FRAME_VISIBLE_P (frame) = 1;
+ − 2661
+ − 2662 if (!msframe->sizing || mswindows_dynamic_frame_resize)
+ − 2663 redisplay ();
+ − 2664 }
428
+ − 2665 }
+ − 2666 }
442
+ − 2667 break;
+ − 2668
+ − 2669 case WM_DISPLAYCHANGE:
+ − 2670 {
+ − 2671 struct device *d;
+ − 2672 DWORD message_tick = GetMessageTime ();
+ − 2673
+ − 2674 fobj = mswindows_find_frame (hwnd);
+ − 2675 frame = XFRAME (fobj);
+ − 2676 d = XDEVICE (FRAME_DEVICE (frame));
+ − 2677
+ − 2678 /* Do this only once per message. XEmacs can receive this message
+ − 2679 through as many frames as it currently has open. Message time
+ − 2680 will be the same for all these messages. Despite extreme
+ − 2681 efficiency, the code below has about one in 4 billion
+ − 2682 probability that the HDC is not recreated, provided that
+ − 2683 XEmacs is running sufficiently longer than 52 days. */
+ − 2684 if (DEVICE_MSWINDOWS_UPDATE_TICK(d) != message_tick)
+ − 2685 {
+ − 2686 DEVICE_MSWINDOWS_UPDATE_TICK(d) = message_tick;
+ − 2687 DeleteDC (DEVICE_MSWINDOWS_HCDC(d));
+ − 2688 DEVICE_MSWINDOWS_HCDC(d) = CreateCompatibleDC (NULL);
+ − 2689 }
+ − 2690 }
+ − 2691 break;
+ − 2692
+ − 2693 /* Misc magic events which only require that the frame be identified */
+ − 2694 case WM_SETFOCUS:
+ − 2695 case WM_KILLFOCUS:
+ − 2696 mswindows_enqueue_magic_event (hwnd, message_);
+ − 2697 break;
+ − 2698
+ − 2699 case WM_WINDOWPOSCHANGING:
428
+ − 2700 {
442
+ − 2701 WINDOWPOS *wp = (LPWINDOWPOS) lParam;
+ − 2702 WINDOWPLACEMENT wpl = { sizeof(WINDOWPLACEMENT) };
+ − 2703 GetWindowPlacement(hwnd, &wpl);
+ − 2704
+ − 2705 /* Only interested if size is changing and we're not being iconified */
+ − 2706 if (wpl.showCmd != SW_SHOWMINIMIZED
+ − 2707 && wpl.showCmd != SW_SHOWMAXIMIZED
+ − 2708 && !(wp->flags & SWP_NOSIZE))
428
+ − 2709 {
442
+ − 2710 RECT ncsize = { 0, 0, 0, 0 };
+ − 2711 int pixwidth, pixheight;
+ − 2712 AdjustWindowRectEx (&ncsize, GetWindowLong (hwnd, GWL_STYLE),
+ − 2713 GetMenu(hwnd) != NULL,
+ − 2714 GetWindowLong (hwnd, GWL_EXSTYLE));
+ − 2715
+ − 2716 round_size_to_real_char (XFRAME (mswindows_find_frame (hwnd)),
+ − 2717 wp->cx - (ncsize.right - ncsize.left),
+ − 2718 wp->cy - (ncsize.bottom - ncsize.top),
+ − 2719 &pixwidth, &pixheight);
+ − 2720
+ − 2721 /* Convert client sizes to window sizes */
+ − 2722 pixwidth += (ncsize.right - ncsize.left);
+ − 2723 pixheight += (ncsize.bottom - ncsize.top);
+ − 2724
+ − 2725 if (wpl.showCmd != SW_SHOWMAXIMIZED)
+ − 2726 {
+ − 2727 /* Adjust so that the bottom or right doesn't move if it's
+ − 2728 * the top or left that's being changed */
+ − 2729 RECT rect;
+ − 2730 GetWindowRect (hwnd, &rect);
+ − 2731
+ − 2732 if (rect.left != wp->x)
+ − 2733 wp->x += wp->cx - pixwidth;
+ − 2734 if (rect.top != wp->y)
+ − 2735 wp->y += wp->cy - pixheight;
+ − 2736 }
+ − 2737
+ − 2738 wp->cx = pixwidth;
+ − 2739 wp->cy = pixheight;
428
+ − 2740 }
442
+ − 2741 /* DefWindowProc sends useful WM_GETMINMAXINFO message, and adjusts
+ − 2742 window position if the user tries to track window too small */
428
+ − 2743 }
442
+ − 2744 goto defproc;
+ − 2745
+ − 2746 case WM_ENTERSIZEMOVE:
+ − 2747 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2748 msframe->sizing = 1;
+ − 2749 return 0;
+ − 2750
+ − 2751 case WM_EXITSIZEMOVE:
+ − 2752 msframe = FRAME_MSWINDOWS_DATA (XFRAME (mswindows_find_frame (hwnd)));
+ − 2753 msframe->sizing = 0;
+ − 2754 /* Queue noop event */
+ − 2755 mswindows_enqueue_magic_event (NULL, XM_BUMPQUEUE);
+ − 2756 return 0;
428
+ − 2757
+ − 2758 #ifdef HAVE_SCROLLBARS
442
+ − 2759 case WM_VSCROLL:
+ − 2760 case WM_HSCROLL:
+ − 2761 {
+ − 2762 /* Direction of scroll is determined by scrollbar instance. */
+ − 2763 int code = (int) LOWORD(wParam);
+ − 2764 int pos = (short int) HIWORD(wParam);
+ − 2765 HWND hwndScrollBar = (HWND) lParam;
+ − 2766 struct gcpro gcpro1, gcpro2;
+ − 2767
+ − 2768 mswindows_handle_scrollbar_event (hwndScrollBar, code, pos);
+ − 2769 GCPRO2 (emacs_event, fobj);
+ − 2770 if (UNBOUNDP(mswindows_pump_outstanding_events())) /* Can GC */
+ − 2771 {
+ − 2772 /* Error during event pumping - cancel scroll */
+ − 2773 SendMessage (hwndScrollBar, WM_CANCELMODE, 0, 0);
+ − 2774 }
+ − 2775 UNGCPRO;
+ − 2776 break;
+ − 2777 }
+ − 2778
+ − 2779 case WM_MOUSEWHEEL:
+ − 2780 {
+ − 2781 int keys = LOWORD (wParam); /* Modifier key flags */
+ − 2782 int delta = (short) HIWORD (wParam); /* Wheel rotation amount */
+ − 2783 struct gcpro gcpro1, gcpro2;
+ − 2784
464
+ − 2785 if (mswindows_handle_mousewheel_event (mswindows_find_frame (hwnd),
+ − 2786 keys, delta,
+ − 2787 MAKEPOINTS (lParam)))
442
+ − 2788 {
+ − 2789 GCPRO2 (emacs_event, fobj);
+ − 2790 mswindows_pump_outstanding_events (); /* Can GC */
+ − 2791 UNGCPRO;
+ − 2792 }
+ − 2793 else
+ − 2794 goto defproc;
+ − 2795 break;
+ − 2796 }
428
+ − 2797 #endif
+ − 2798
+ − 2799 #ifdef HAVE_MENUBARS
442
+ − 2800 case WM_INITMENU:
+ − 2801 if (UNBOUNDP (mswindows_handle_wm_initmenu (
+ − 2802 (HMENU) wParam,
+ − 2803 XFRAME (mswindows_find_frame (hwnd)))))
+ − 2804 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
+ − 2805 break;
+ − 2806
+ − 2807 case WM_INITMENUPOPUP:
+ − 2808 if (!HIWORD(lParam))
+ − 2809 {
+ − 2810 if (UNBOUNDP (mswindows_handle_wm_initmenupopup (
+ − 2811 (HMENU) wParam,
+ − 2812 XFRAME (mswindows_find_frame (hwnd)))))
+ − 2813 SendMessage (hwnd, WM_CANCELMODE, 0, 0);
+ − 2814 }
+ − 2815 break;
428
+ − 2816
+ − 2817 #endif /* HAVE_MENUBARS */
+ − 2818
442
+ − 2819 case WM_COMMAND:
+ − 2820 {
+ − 2821 WORD id = LOWORD (wParam);
+ − 2822 WORD nid = HIWORD (wParam);
+ − 2823 HWND cid = (HWND)lParam;
+ − 2824 frame = XFRAME (mswindows_find_frame (hwnd));
428
+ − 2825
+ − 2826 #ifdef HAVE_TOOLBARS
442
+ − 2827 if (!NILP (mswindows_handle_toolbar_wm_command (frame, cid, id)))
+ − 2828 break;
428
+ − 2829 #endif
442
+ − 2830 /* widgets in a buffer only eval a callback for suitable events.*/
+ − 2831 switch (nid)
+ − 2832 {
+ − 2833 case BN_CLICKED:
+ − 2834 case EN_CHANGE:
+ − 2835 case CBN_EDITCHANGE:
+ − 2836 case CBN_SELCHANGE:
+ − 2837 if (!NILP (mswindows_handle_gui_wm_command (frame, cid, id)))
+ − 2838 return 0;
+ − 2839 }
+ − 2840 /* menubars always must come last since the hashtables do not
+ − 2841 always exist*/
428
+ − 2842 #ifdef HAVE_MENUBARS
442
+ − 2843 if (!NILP (mswindows_handle_wm_command (frame, id)))
+ − 2844 break;
428
+ − 2845 #endif
+ − 2846
442
+ − 2847 return DefWindowProc (hwnd, message_, wParam, lParam);
+ − 2848 /* Bite me - a spurious command. This used to not be able to
+ − 2849 happen but with the introduction of widgets its now
+ − 2850 possible. */
+ − 2851 }
+ − 2852 break;
+ − 2853
+ − 2854 case WM_CTLCOLORBTN:
+ − 2855 case WM_CTLCOLORLISTBOX:
+ − 2856 case WM_CTLCOLOREDIT:
+ − 2857 case WM_CTLCOLORSTATIC:
+ − 2858 case WM_CTLCOLORSCROLLBAR:
+ − 2859 {
+ − 2860 /* if we get an opportunity to paint a widget then do so if
+ − 2861 there is an appropriate face */
+ − 2862 HWND crtlwnd = (HWND)lParam;
+ − 2863 LONG ii = GetWindowLong (crtlwnd, GWL_USERDATA);
+ − 2864 if (ii)
+ − 2865 {
+ − 2866 Lisp_Object image_instance;
+ − 2867 VOID_TO_LISP (image_instance, ii);
+ − 2868 if (IMAGE_INSTANCEP (image_instance)
+ − 2869 &&
+ − 2870 IMAGE_INSTANCE_TYPE_P (image_instance, IMAGE_WIDGET))
+ − 2871 {
+ − 2872 /* set colors for the buttons */
+ − 2873 HDC hdc = (HDC)wParam;
+ − 2874 if (last_widget_brushed != ii)
+ − 2875 {
+ − 2876 if (widget_brush)
+ − 2877 DeleteObject (widget_brush);
+ − 2878 widget_brush = CreateSolidBrush
+ − 2879 (COLOR_INSTANCE_MSWINDOWS_COLOR
+ − 2880 (XCOLOR_INSTANCE
+ − 2881 (FACE_BACKGROUND
+ − 2882 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
+ − 2883 XIMAGE_INSTANCE_FRAME (image_instance)))));
+ − 2884 }
+ − 2885 last_widget_brushed = ii;
+ − 2886 SetTextColor
+ − 2887 (hdc,
+ − 2888 COLOR_INSTANCE_MSWINDOWS_COLOR
+ − 2889 (XCOLOR_INSTANCE
+ − 2890 (FACE_FOREGROUND
+ − 2891 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
+ − 2892 XIMAGE_INSTANCE_FRAME (image_instance)))));
+ − 2893 SetBkMode (hdc, OPAQUE);
+ − 2894 SetBkColor
+ − 2895 (hdc,
+ − 2896 COLOR_INSTANCE_MSWINDOWS_COLOR
+ − 2897 (XCOLOR_INSTANCE
+ − 2898 (FACE_BACKGROUND
+ − 2899 (XIMAGE_INSTANCE_WIDGET_FACE (image_instance),
+ − 2900 XIMAGE_INSTANCE_FRAME (image_instance)))));
+ − 2901 return (LRESULT)widget_brush;
+ − 2902 }
+ − 2903 }
+ − 2904 }
+ − 2905 goto defproc;
428
+ − 2906
+ − 2907 #ifdef HAVE_DRAGNDROP
442
+ − 2908 case WM_DROPFILES: /* implementation ripped-off from event-Xt.c */
+ − 2909 {
+ − 2910 UINT filecount, i, len;
+ − 2911 POINT point;
+ − 2912 char* filename;
+ − 2913 char* fname;
+ − 2914
+ − 2915 Lisp_Object l_dndlist = Qnil, l_item = Qnil;
+ − 2916 struct gcpro gcpro1, gcpro2, gcpro3;
+ − 2917
+ − 2918 emacs_event = Fmake_event (Qnil, Qnil);
+ − 2919 event = XEVENT(emacs_event);
+ − 2920
+ − 2921 GCPRO3 (emacs_event, l_dndlist, l_item);
+ − 2922
+ − 2923 if (!DragQueryPoint ((HDROP) wParam, &point))
+ − 2924 point.x = point.y = -1; /* outside client area */
+ − 2925
+ − 2926 event->event_type = misc_user_event;
+ − 2927 event->channel = mswindows_find_frame(hwnd);
+ − 2928 event->timestamp = GetMessageTime();
+ − 2929 event->event.misc.button = 1; /* #### Should try harder */
+ − 2930 event->event.misc.modifiers = mswindows_modifier_state (NULL,
+ − 2931 (DWORD) -1, 0);
+ − 2932 event->event.misc.x = point.x;
+ − 2933 event->event.misc.y = point.y;
+ − 2934 event->event.misc.function = Qdragdrop_drop_dispatch;
+ − 2935
+ − 2936 filecount = DragQueryFile ((HDROP) wParam, 0xffffffff, NULL, 0);
+ − 2937 for (i=0; i<filecount; i++)
+ − 2938 {
+ − 2939 len = DragQueryFile ((HDROP) wParam, i, NULL, 0);
+ − 2940 /* The URLs that we make here aren't correct according to section
+ − 2941 * 3.10 of rfc1738 because they're missing the //<host>/ part and
+ − 2942 * because they may contain reserved characters. But that's OK -
+ − 2943 * they just need to be good enough to keep dragdrop.el happy. */
+ − 2944 fname = (char *)xmalloc (len+1);
+ − 2945 DragQueryFile ((HANDLE) wParam, i, fname, len+1);
+ − 2946
+ − 2947 /* May be a shell link aka "shortcut" - replace fname if so */
+ − 2948 #if !(defined(CYGWIN) || defined(MINGW))
+ − 2949 /* cygwin doesn't define this COM stuff */
+ − 2950 if (!stricmp (fname + strlen (fname) - 4, ".LNK"))
+ − 2951 {
+ − 2952 IShellLink* psl;
+ − 2953
+ − 2954 if (CoCreateInstance (&CLSID_ShellLink, NULL,
+ − 2955 CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl) == S_OK)
+ − 2956 {
+ − 2957 IPersistFile* ppf;
+ − 2958
+ − 2959 if (psl->lpVtbl->QueryInterface (psl, &IID_IPersistFile,
+ − 2960 &ppf) == S_OK)
+ − 2961 {
+ − 2962 WORD wsz[MAX_PATH];
+ − 2963 WIN32_FIND_DATA wfd;
+ − 2964 LPSTR resolved = (char *) xmalloc (MAX_PATH+1);
+ − 2965
+ − 2966 MultiByteToWideChar (CP_ACP,0, fname, -1, wsz, MAX_PATH);
+ − 2967
+ − 2968 if ((ppf->lpVtbl->Load (ppf, wsz, STGM_READ) == S_OK) &&
+ − 2969 (psl->lpVtbl->GetPath (psl, resolved, MAX_PATH,
+ − 2970 &wfd, 0)==S_OK))
+ − 2971 {
+ − 2972 xfree (fname);
+ − 2973 fname = resolved;
+ − 2974 len = strlen (fname);
+ − 2975 }
+ − 2976
+ − 2977 ppf->lpVtbl->Release (ppf);
+ − 2978 }
+ − 2979
+ − 2980 psl->lpVtbl->Release (psl);
+ − 2981 }
+ − 2982 }
428
+ − 2983 #endif
442
+ − 2984
+ − 2985 #ifdef CYGWIN
+ − 2986 filename = xmalloc (cygwin32_win32_to_posix_path_list_buf_size (fname) + 5);
+ − 2987 strcpy (filename, "file:");
+ − 2988 cygwin32_win32_to_posix_path_list (fname, filename+5);
428
+ − 2989 #else
442
+ − 2990 filename = (char *)xmalloc (len+6);
+ − 2991 strcat (strcpy (filename, "file:"), fname);
+ − 2992 dostounix_filename (filename+5);
428
+ − 2993 #endif
442
+ − 2994 xfree (fname);
+ − 2995 l_item = make_string (filename, strlen (filename));
+ − 2996 l_dndlist = Fcons (l_item, l_dndlist);
+ − 2997 xfree (filename);
+ − 2998 }
+ − 2999 DragFinish ((HDROP) wParam);
+ − 3000
+ − 3001 event->event.misc.object = Fcons (Qdragdrop_URL, l_dndlist);
+ − 3002 mswindows_enqueue_dispatch_event (emacs_event);
+ − 3003 UNGCPRO;
+ − 3004 }
+ − 3005 break;
+ − 3006 #endif
+ − 3007
+ − 3008 defproc:
+ − 3009 default:
+ − 3010 return DefWindowProc (hwnd, message_, wParam, lParam);
428
+ − 3011 }
+ − 3012 return (0);
+ − 3013 }
+ − 3014
+ − 3015
+ − 3016 /************************************************************************/
+ − 3017 /* keyboard, mouse & other helpers for the windows procedure */
+ − 3018 /************************************************************************/
+ − 3019 static void
+ − 3020 mswindows_set_chord_timer (HWND hwnd)
+ − 3021 {
+ − 3022 int interval;
+ − 3023
+ − 3024 /* We get one third half system double click threshold */
+ − 3025 if (mswindows_mouse_button_tolerance <= 0)
+ − 3026 interval = GetDoubleClickTime () / 3;
+ − 3027 else
+ − 3028 interval = mswindows_mouse_button_tolerance;
+ − 3029
+ − 3030 SetTimer (hwnd, BUTTON_2_TIMER_ID, interval, 0);
+ − 3031 }
+ − 3032
+ − 3033 static int
+ − 3034 mswindows_button2_near_enough (POINTS p1, POINTS p2)
+ − 3035 {
+ − 3036 int dx, dy;
+ − 3037 if (mswindows_mouse_button_max_skew_x <= 0)
+ − 3038 dx = GetSystemMetrics (SM_CXDOUBLECLK) / 2;
+ − 3039 else
+ − 3040 dx = mswindows_mouse_button_max_skew_x;
+ − 3041
+ − 3042 if (mswindows_mouse_button_max_skew_y <= 0)
+ − 3043 dy = GetSystemMetrics (SM_CYDOUBLECLK) / 2;
+ − 3044 else
+ − 3045 dy = mswindows_mouse_button_max_skew_y;
+ − 3046
+ − 3047 return abs (p1.x - p2.x) < dx && abs (p1.y- p2.y)< dy;
+ − 3048 }
+ − 3049
+ − 3050 static int
+ − 3051 mswindows_current_layout_has_AltGr (void)
+ − 3052 {
+ − 3053 /* This simple caching mechanism saves 10% of CPU
+ − 3054 time when a key typed at autorepeat rate of 30 cps! */
+ − 3055 static HKL last_hkl = 0;
+ − 3056 static int last_hkl_has_AltGr;
442
+ − 3057 HKL current_hkl = (HKL) -1;
+ − 3058
+ − 3059 if (xGetKeyboardLayout) /* not in NT 3.5 */
+ − 3060 current_hkl = xGetKeyboardLayout (0);
428
+ − 3061 if (current_hkl != last_hkl)
+ − 3062 {
+ − 3063 TCHAR c;
+ − 3064 last_hkl_has_AltGr = 0;
+ − 3065 /* In this loop, we query whether a character requires
+ − 3066 AltGr to be down to generate it. If at least such one
+ − 3067 found, this means that the layout does regard AltGr */
+ − 3068 for (c = ' '; c <= 0xFFU && c != 0 && !last_hkl_has_AltGr; ++c)
+ − 3069 if (HIBYTE (VkKeyScan (c)) == 6)
+ − 3070 last_hkl_has_AltGr = 1;
+ − 3071 last_hkl = current_hkl;
+ − 3072 }
+ − 3073 return last_hkl_has_AltGr;
+ − 3074 }
+ − 3075
+ − 3076
+ − 3077 /* Returns the state of the modifier keys in the format expected by the
+ − 3078 * Lisp_Event key_data, button_data and motion_data modifiers member */
442
+ − 3079 static int
+ − 3080 mswindows_modifier_state (BYTE* keymap, DWORD fwKeys, int has_AltGr)
428
+ − 3081 {
+ − 3082 int mods = 0;
442
+ − 3083 int keys_is_real = 0;
+ − 3084 BYTE keymap2[256];
+ − 3085
+ − 3086 if (fwKeys == (DWORD) -1)
+ − 3087 fwKeys = mswindows_last_mouse_button_state;
+ − 3088 else
+ − 3089 {
+ − 3090 keys_is_real = 1;
+ − 3091 mswindows_last_mouse_button_state = fwKeys;
+ − 3092 }
428
+ − 3093
+ − 3094 if (keymap == NULL)
+ − 3095 {
442
+ − 3096 keymap = keymap2;
428
+ − 3097 GetKeyboardState (keymap);
+ − 3098 has_AltGr = mswindows_current_layout_has_AltGr ();
+ − 3099 }
+ − 3100
442
+ − 3101 /* #### should look at fwKeys for MK_CONTROL. I don't understand how
+ − 3102 AltGr works. */
428
+ − 3103 if (has_AltGr && (keymap [VK_LCONTROL] & 0x80) && (keymap [VK_RMENU] & 0x80))
+ − 3104 {
442
+ − 3105 mods |= (keymap [VK_LMENU] & 0x80) ? XEMACS_MOD_META : 0;
+ − 3106 mods |= (keymap [VK_RCONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
428
+ − 3107 }
+ − 3108 else
+ − 3109 {
442
+ − 3110 mods |= (keymap [VK_MENU] & 0x80) ? XEMACS_MOD_META : 0;
+ − 3111 mods |= (keymap [VK_CONTROL] & 0x80) ? XEMACS_MOD_CONTROL : 0;
428
+ − 3112 }
+ − 3113
442
+ − 3114 mods |= (keys_is_real ? fwKeys & MK_SHIFT : (keymap [VK_SHIFT] & 0x80))
+ − 3115 ? XEMACS_MOD_SHIFT : 0;
+ − 3116 mods |= fwKeys & MK_LBUTTON ? XEMACS_MOD_BUTTON1 : 0;
+ − 3117 mods |= fwKeys & MK_MBUTTON ? XEMACS_MOD_BUTTON2 : 0;
+ − 3118 mods |= fwKeys & MK_RBUTTON ? XEMACS_MOD_BUTTON3 : 0;
428
+ − 3119
+ − 3120 return mods;
+ − 3121 }
+ − 3122
+ − 3123 /*
+ − 3124 * Translate a mswindows virtual key to a keysym.
+ − 3125 * Only returns non-Qnil for keys that don't generate WM_CHAR messages
+ − 3126 * or whose ASCII codes (like space) xemacs doesn't like.
+ − 3127 */
+ − 3128 Lisp_Object mswindows_key_to_emacs_keysym (int mswindows_key, int mods,
+ − 3129 int extendedp)
+ − 3130 {
+ − 3131 if (extendedp) /* Keys not present on a 82 key keyboard */
+ − 3132 {
+ − 3133 switch (mswindows_key)
+ − 3134 {
442
+ − 3135 case VK_CANCEL: return KEYSYM ("pause");
428
+ − 3136 case VK_RETURN: return KEYSYM ("kp-enter");
+ − 3137 case VK_PRIOR: return KEYSYM ("prior");
+ − 3138 case VK_NEXT: return KEYSYM ("next");
+ − 3139 case VK_END: return KEYSYM ("end");
+ − 3140 case VK_HOME: return KEYSYM ("home");
+ − 3141 case VK_LEFT: return KEYSYM ("left");
+ − 3142 case VK_UP: return KEYSYM ("up");
+ − 3143 case VK_RIGHT: return KEYSYM ("right");
+ − 3144 case VK_DOWN: return KEYSYM ("down");
+ − 3145 case VK_INSERT: return KEYSYM ("insert");
+ − 3146 case VK_DELETE: return QKdelete;
442
+ − 3147 #if 0 /* FSF Emacs allows these to return configurable syms/mods */
+ − 3148 case VK_LWIN return KEYSYM ("");
+ − 3149 case VK_RWIN return KEYSYM ("");
+ − 3150 #endif
+ − 3151 case VK_APPS: return KEYSYM ("menu");
428
+ − 3152 }
+ − 3153 }
+ − 3154 else
+ − 3155 {
+ − 3156 switch (mswindows_key)
+ − 3157 {
+ − 3158 case VK_BACK: return QKbackspace;
+ − 3159 case VK_TAB: return QKtab;
+ − 3160 case '\n': return QKlinefeed;
+ − 3161 case VK_CLEAR: return KEYSYM ("clear");
+ − 3162 case VK_RETURN: return QKreturn;
442
+ − 3163 case VK_PAUSE: return KEYSYM ("pause");
428
+ − 3164 case VK_ESCAPE: return QKescape;
+ − 3165 case VK_SPACE: return QKspace;
+ − 3166 case VK_PRIOR: return KEYSYM ("kp-prior");
+ − 3167 case VK_NEXT: return KEYSYM ("kp-next");
+ − 3168 case VK_END: return KEYSYM ("kp-end");
+ − 3169 case VK_HOME: return KEYSYM ("kp-home");
+ − 3170 case VK_LEFT: return KEYSYM ("kp-left");
+ − 3171 case VK_UP: return KEYSYM ("kp-up");
+ − 3172 case VK_RIGHT: return KEYSYM ("kp-right");
+ − 3173 case VK_DOWN: return KEYSYM ("kp-down");
+ − 3174 case VK_SELECT: return KEYSYM ("select");
+ − 3175 case VK_PRINT: return KEYSYM ("print");
+ − 3176 case VK_EXECUTE: return KEYSYM ("execute");
+ − 3177 case VK_SNAPSHOT: return KEYSYM ("print");
+ − 3178 case VK_INSERT: return KEYSYM ("kp-insert");
+ − 3179 case VK_DELETE: return KEYSYM ("kp-delete");
+ − 3180 case VK_HELP: return KEYSYM ("help");
+ − 3181 case VK_NUMPAD0: return KEYSYM ("kp-0");
+ − 3182 case VK_NUMPAD1: return KEYSYM ("kp-1");
+ − 3183 case VK_NUMPAD2: return KEYSYM ("kp-2");
+ − 3184 case VK_NUMPAD3: return KEYSYM ("kp-3");
+ − 3185 case VK_NUMPAD4: return KEYSYM ("kp-4");
+ − 3186 case VK_NUMPAD5: return KEYSYM ("kp-5");
+ − 3187 case VK_NUMPAD6: return KEYSYM ("kp-6");
+ − 3188 case VK_NUMPAD7: return KEYSYM ("kp-7");
+ − 3189 case VK_NUMPAD8: return KEYSYM ("kp-8");
+ − 3190 case VK_NUMPAD9: return KEYSYM ("kp-9");
+ − 3191 case VK_MULTIPLY: return KEYSYM ("kp-multiply");
+ − 3192 case VK_ADD: return KEYSYM ("kp-add");
+ − 3193 case VK_SEPARATOR: return KEYSYM ("kp-separator");
+ − 3194 case VK_SUBTRACT: return KEYSYM ("kp-subtract");
+ − 3195 case VK_DECIMAL: return KEYSYM ("kp-decimal");
+ − 3196 case VK_DIVIDE: return KEYSYM ("kp-divide");
+ − 3197 case VK_F1: return KEYSYM ("f1");
+ − 3198 case VK_F2: return KEYSYM ("f2");
+ − 3199 case VK_F3: return KEYSYM ("f3");
+ − 3200 case VK_F4: return KEYSYM ("f4");
+ − 3201 case VK_F5: return KEYSYM ("f5");
+ − 3202 case VK_F6: return KEYSYM ("f6");
+ − 3203 case VK_F7: return KEYSYM ("f7");
+ − 3204 case VK_F8: return KEYSYM ("f8");
+ − 3205 case VK_F9: return KEYSYM ("f9");
+ − 3206 case VK_F10: return KEYSYM ("f10");
+ − 3207 case VK_F11: return KEYSYM ("f11");
+ − 3208 case VK_F12: return KEYSYM ("f12");
+ − 3209 case VK_F13: return KEYSYM ("f13");
+ − 3210 case VK_F14: return KEYSYM ("f14");
+ − 3211 case VK_F15: return KEYSYM ("f15");
+ − 3212 case VK_F16: return KEYSYM ("f16");
+ − 3213 case VK_F17: return KEYSYM ("f17");
+ − 3214 case VK_F18: return KEYSYM ("f18");
+ − 3215 case VK_F19: return KEYSYM ("f19");
+ − 3216 case VK_F20: return KEYSYM ("f20");
+ − 3217 case VK_F21: return KEYSYM ("f21");
+ − 3218 case VK_F22: return KEYSYM ("f22");
+ − 3219 case VK_F23: return KEYSYM ("f23");
+ − 3220 case VK_F24: return KEYSYM ("f24");
+ − 3221 }
+ − 3222 }
+ − 3223 return Qnil;
+ − 3224 }
+ − 3225
+ − 3226 /*
+ − 3227 * Find the console that matches the supplied mswindows window handle
+ − 3228 */
+ − 3229 Lisp_Object
+ − 3230 mswindows_find_console (HWND hwnd)
+ − 3231 {
+ − 3232 /* We only support one console */
+ − 3233 return XCAR (Vconsole_list);
+ − 3234 }
+ − 3235
+ − 3236 /*
+ − 3237 * Find the frame that matches the supplied mswindows window handle
+ − 3238 */
+ − 3239 static Lisp_Object
+ − 3240 mswindows_find_frame (HWND hwnd)
+ − 3241 {
+ − 3242 LONG l = GetWindowLong (hwnd, XWL_FRAMEOBJ);
+ − 3243 Lisp_Object f;
+ − 3244 if (l == 0)
+ − 3245 {
+ − 3246 /* We are in progress of frame creation. Return the frame
+ − 3247 being created, as it still not remembered in the window
+ − 3248 extra storage. */
+ − 3249 assert (!NILP (Vmswindows_frame_being_created));
+ − 3250 return Vmswindows_frame_being_created;
+ − 3251 }
+ − 3252 VOID_TO_LISP (f, l);
+ − 3253 return f;
+ − 3254 }
+ − 3255
+ − 3256
+ − 3257 /************************************************************************/
+ − 3258 /* methods */
+ − 3259 /************************************************************************/
+ − 3260
+ − 3261 static int
+ − 3262 emacs_mswindows_add_timeout (EMACS_TIME thyme)
+ − 3263 {
+ − 3264 int milliseconds;
+ − 3265 EMACS_TIME current_time;
+ − 3266 EMACS_GET_TIME (current_time);
+ − 3267 EMACS_SUB_TIME (thyme, thyme, current_time);
+ − 3268 milliseconds = EMACS_SECS (thyme) * 1000 +
+ − 3269 (EMACS_USECS (thyme) + 500) / 1000;
+ − 3270 if (milliseconds < 1)
+ − 3271 milliseconds = 1;
+ − 3272 ++mswindows_pending_timers_count;
+ − 3273 return SetTimer (NULL, 0, milliseconds,
+ − 3274 (TIMERPROC) mswindows_wm_timer_callback);
+ − 3275 }
+ − 3276
+ − 3277 static void
+ − 3278 emacs_mswindows_remove_timeout (int id)
+ − 3279 {
440
+ − 3280 Lisp_Event match_against;
428
+ − 3281 Lisp_Object emacs_event;
+ − 3282
+ − 3283 if (KillTimer (NULL, id))
+ − 3284 --mswindows_pending_timers_count;
+ − 3285
+ − 3286 /* If there is a dispatch event generated by this
+ − 3287 timeout in the queue, we have to remove it too. */
+ − 3288 match_against.event_type = timeout_event;
+ − 3289 match_against.event.timeout.interval_id = id;
+ − 3290 emacs_event = mswindows_cancel_dispatch_event (&match_against);
+ − 3291 if (!NILP (emacs_event))
+ − 3292 Fdeallocate_event(emacs_event);
+ − 3293 }
+ − 3294
+ − 3295 /* If `user_p' is false, then return whether there are any win32, timeout,
+ − 3296 * or subprocess events pending (that is, whether
+ − 3297 * emacs_mswindows_next_event() would return immediately without blocking).
+ − 3298 *
+ − 3299 * if `user_p' is true, then return whether there are any *user generated*
+ − 3300 * events available (that is, whether there are keyboard or mouse-click
+ − 3301 * events ready to be read). This also implies that
+ − 3302 * emacs_mswindows_next_event() would not block.
+ − 3303 */
+ − 3304 static int
+ − 3305 emacs_mswindows_event_pending_p (int user_p)
+ − 3306 {
+ − 3307 mswindows_need_event (0);
+ − 3308 return (!NILP (mswindows_u_dispatch_event_queue)
+ − 3309 || (!user_p && !NILP (mswindows_s_dispatch_event_queue)));
+ − 3310 }
+ − 3311
+ − 3312 /*
+ − 3313 * Return the next event
+ − 3314 */
+ − 3315 static void
440
+ − 3316 emacs_mswindows_next_event (Lisp_Event *emacs_event)
428
+ − 3317 {
+ − 3318 Lisp_Object event, event2;
+ − 3319
+ − 3320 mswindows_need_event (1);
+ − 3321
+ − 3322 event = mswindows_dequeue_dispatch_event ();
+ − 3323 XSETEVENT (event2, emacs_event);
+ − 3324 Fcopy_event (event, event2);
+ − 3325 Fdeallocate_event (event);
+ − 3326 }
+ − 3327
+ − 3328 /*
+ − 3329 * Handle a magic event off the dispatch queue.
+ − 3330 */
+ − 3331 static void
440
+ − 3332 emacs_mswindows_handle_magic_event (Lisp_Event *emacs_event)
428
+ − 3333 {
+ − 3334 switch (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event))
+ − 3335 {
+ − 3336 case XM_BUMPQUEUE:
+ − 3337 break;
+ − 3338
442
+ − 3339 case WM_PAINT:
+ − 3340 {
+ − 3341 struct frame *f = XFRAME (EVENT_CHANNEL (emacs_event));
+ − 3342 mswindows_handle_paint (f);
+ − 3343 (FRAME_MSWINDOWS_DATA (f))->paint_pending = 0;
+ − 3344 }
+ − 3345 break;
+ − 3346
428
+ − 3347 case WM_SETFOCUS:
+ − 3348 case WM_KILLFOCUS:
+ − 3349 {
+ − 3350 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
+ − 3351 struct frame *f = XFRAME (frame);
+ − 3352 int in_p = (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event) == WM_SETFOCUS);
+ − 3353 Lisp_Object conser;
442
+ − 3354 struct gcpro gcpro1;
+ − 3355
+ − 3356 /* On focus change, clear all memory of sticky modifiers
+ − 3357 to avoid non-intuitive behavior. */
+ − 3358 clear_sticky_modifiers ();
428
+ − 3359
+ − 3360 conser = Fcons (frame, Fcons (FRAME_DEVICE (f), in_p ? Qt : Qnil));
442
+ − 3361 GCPRO1 (conser);
428
+ − 3362 emacs_handle_focus_change_preliminary (conser);
+ − 3363 /* Under X the stuff up to here is done in the X event handler.
+ − 3364 I Don't know why */
+ − 3365 emacs_handle_focus_change_final (conser);
442
+ − 3366 UNGCPRO;
428
+ − 3367
+ − 3368 }
+ − 3369 break;
+ − 3370
+ − 3371 case XM_MAPFRAME:
+ − 3372 case XM_UNMAPFRAME:
+ − 3373 {
+ − 3374 Lisp_Object frame = EVENT_CHANNEL (emacs_event);
+ − 3375 va_run_hook_with_args (EVENT_MSWINDOWS_MAGIC_TYPE(emacs_event)
+ − 3376 == XM_MAPFRAME ?
+ − 3377 Qmap_frame_hook : Qunmap_frame_hook,
+ − 3378 1, frame);
+ − 3379 }
+ − 3380 break;
+ − 3381
+ − 3382 /* #### What about Enter & Leave */
+ − 3383 #if 0
+ − 3384 va_run_hook_with_args (in_p ? Qmouse_enter_frame_hook :
+ − 3385 Qmouse_leave_frame_hook, 1, frame);
+ − 3386 #endif
+ − 3387
+ − 3388 default:
+ − 3389 assert(0);
+ − 3390 }
+ − 3391 }
+ − 3392
+ − 3393 #ifndef HAVE_MSG_SELECT
+ − 3394 static HANDLE
440
+ − 3395 get_process_input_waitable (Lisp_Process *process)
428
+ − 3396 {
+ − 3397 Lisp_Object instr, outstr, p;
+ − 3398 XSETPROCESS (p, process);
+ − 3399 get_process_streams (process, &instr, &outstr);
+ − 3400 assert (!NILP (instr));
+ − 3401 #if defined (HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
+ − 3402 return (network_connection_p (p)
+ − 3403 ? get_winsock_stream_waitable (XLSTREAM (instr))
+ − 3404 : get_ntpipe_input_stream_waitable (XLSTREAM (instr)));
+ − 3405 #else
442
+ − 3406 return get_ntpipe_input_stream_waitable (XLSTREAM (instr));
428
+ − 3407 #endif
+ − 3408 }
+ − 3409
+ − 3410 static void
440
+ − 3411 emacs_mswindows_select_process (Lisp_Process *process)
428
+ − 3412 {
+ − 3413 HANDLE hev = get_process_input_waitable (process);
+ − 3414
+ − 3415 if (!add_waitable_handle (hev))
+ − 3416 error ("Too many active processes");
+ − 3417
+ − 3418 #ifdef HAVE_WIN32_PROCESSES
+ − 3419 {
+ − 3420 Lisp_Object p;
+ − 3421 XSETPROCESS (p, process);
+ − 3422 if (!network_connection_p (p))
+ − 3423 {
+ − 3424 HANDLE hprocess = get_nt_process_handle (process);
+ − 3425 if (!add_waitable_handle (hprocess))
+ − 3426 {
+ − 3427 remove_waitable_handle (hev);
+ − 3428 error ("Too many active processes");
+ − 3429 }
+ − 3430 }
+ − 3431 }
+ − 3432 #endif
+ − 3433 }
+ − 3434
+ − 3435 static void
440
+ − 3436 emacs_mswindows_unselect_process (Lisp_Process *process)
428
+ − 3437 {
+ − 3438 /* Process handle is removed in the event loop as soon
+ − 3439 as it is signaled, so don't bother here about it */
+ − 3440 HANDLE hev = get_process_input_waitable (process);
+ − 3441 remove_waitable_handle (hev);
+ − 3442 }
+ − 3443 #endif /* HAVE_MSG_SELECT */
+ − 3444
+ − 3445 static void
+ − 3446 emacs_mswindows_select_console (struct console *con)
+ − 3447 {
+ − 3448 #ifdef HAVE_MSG_SELECT
+ − 3449 if (CONSOLE_MSWINDOWS_P (con))
+ − 3450 return; /* mswindows consoles are automatically selected */
+ − 3451
+ − 3452 event_stream_unixoid_select_console (con);
+ − 3453 #endif
+ − 3454 }
+ − 3455
+ − 3456 static void
+ − 3457 emacs_mswindows_unselect_console (struct console *con)
+ − 3458 {
+ − 3459 #ifdef HAVE_MSG_SELECT
+ − 3460 if (CONSOLE_MSWINDOWS_P (con))
+ − 3461 return; /* mswindows consoles are automatically selected */
+ − 3462
+ − 3463 event_stream_unixoid_unselect_console (con);
+ − 3464 #endif
+ − 3465 }
+ − 3466
+ − 3467 static void
+ − 3468 emacs_mswindows_quit_p (void)
+ − 3469 {
+ − 3470 /* Quit cannot happen in modal loop: all program
+ − 3471 input is dedicated to Windows. */
+ − 3472 if (mswindows_in_modal_loop)
+ − 3473 return;
+ − 3474
502
+ − 3475 /* Drain windows queue. This sets up number of quit characters in
+ − 3476 the queue. */
442
+ − 3477 mswindows_drain_windows_queue ();
428
+ − 3478
+ − 3479 if (mswindows_quit_chars_count > 0)
+ − 3480 {
+ − 3481 /* Yes there's a hidden one... Throw it away */
440
+ − 3482 Lisp_Event match_against;
428
+ − 3483 Lisp_Object emacs_event;
440
+ − 3484 int critical_p = 0;
428
+ − 3485
+ − 3486 match_against.event_type = key_press_event;
+ − 3487 match_against.event.key.modifiers = FAKE_MOD_QUIT;
+ − 3488
440
+ − 3489 while (mswindows_quit_chars_count-- > 0)
+ − 3490 {
+ − 3491 emacs_event = mswindows_cancel_dispatch_event (&match_against);
+ − 3492 assert (!NILP (emacs_event));
442
+ − 3493
502
+ − 3494 if (XEVENT (emacs_event)->event.key.modifiers &
+ − 3495 FAKE_MOD_QUIT_CRITICAL)
440
+ − 3496 critical_p = 1;
+ − 3497
502
+ − 3498 Fdeallocate_event (emacs_event);
440
+ − 3499 }
+ − 3500
+ − 3501 Vquit_flag = critical_p ? Qcritical : Qt;
428
+ − 3502 }
+ − 3503 }
+ − 3504
+ − 3505 USID
+ − 3506 emacs_mswindows_create_stream_pair (void* inhandle, void* outhandle,
+ − 3507 Lisp_Object* instream,
+ − 3508 Lisp_Object* outstream,
+ − 3509 int flags)
+ − 3510 {
+ − 3511 /* Handles for streams */
+ − 3512 HANDLE hin, hout;
+ − 3513 /* fds. These just stored along with the streams, and are closed in
+ − 3514 delete stream pair method, because we need to handle fake unices
+ − 3515 here. */
+ − 3516 int fdi, fdo;
+ − 3517
+ − 3518 /* Decode inhandle and outhandle. Their meaning depends on
+ − 3519 the process implementation being used. */
+ − 3520 #if defined (HAVE_WIN32_PROCESSES)
+ − 3521 /* We're passed in Windows handles. That's what we like most... */
+ − 3522 hin = (HANDLE) inhandle;
+ − 3523 hout = (HANDLE) outhandle;
+ − 3524 fdi = fdo = -1;
+ − 3525 #elif defined (HAVE_UNIX_PROCESSES)
+ − 3526 /* We are passed UNIX fds. This must be Cygwin.
+ − 3527 Fetch os handles */
+ − 3528 hin = inhandle >= 0 ? (HANDLE)get_osfhandle ((int)inhandle) : INVALID_HANDLE_VALUE;
+ − 3529 hout = outhandle >= 0 ? (HANDLE)get_osfhandle ((int)outhandle) : INVALID_HANDLE_VALUE;
+ − 3530 fdi=(int)inhandle;
+ − 3531 fdo=(int)outhandle;
+ − 3532 #else
+ − 3533 #error "So, WHICH kind of processes do you want?"
+ − 3534 #endif
+ − 3535
+ − 3536 *instream = (hin == INVALID_HANDLE_VALUE
+ − 3537 ? Qnil
+ − 3538 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
+ − 3539 : flags & STREAM_NETWORK_CONNECTION
+ − 3540 ? make_winsock_input_stream ((SOCKET)hin, fdi)
+ − 3541 #endif
+ − 3542 : make_ntpipe_input_stream (hin, fdi));
+ − 3543
+ − 3544 #ifdef HAVE_WIN32_PROCESSES
+ − 3545 *outstream = (hout == INVALID_HANDLE_VALUE
+ − 3546 ? Qnil
+ − 3547 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
+ − 3548 : flags & STREAM_NETWORK_CONNECTION
+ − 3549 ? make_winsock_output_stream ((SOCKET)hout, fdo)
+ − 3550 #endif
+ − 3551 : make_ntpipe_output_stream (hout, fdo));
+ − 3552 #elif defined (HAVE_UNIX_PROCESSES)
+ − 3553 *outstream = (fdo >= 0
+ − 3554 ? make_filedesc_output_stream (fdo, 0, -1, LSTR_BLOCKED_OK)
+ − 3555 : Qnil);
+ − 3556
+ − 3557 #if defined(HAVE_UNIX_PROCESSES) && defined(HAVE_PTYS)
+ − 3558 /* FLAGS is process->pty_flag for UNIX_PROCESSES */
+ − 3559 if ((flags & STREAM_PTY_FLUSHING) && fdo >= 0)
+ − 3560 {
+ − 3561 Bufbyte eof_char = get_eof_char (fdo);
+ − 3562 int pty_max_bytes = get_pty_max_bytes (fdo);
+ − 3563 filedesc_stream_set_pty_flushing (XLSTREAM(*outstream), pty_max_bytes, eof_char);
+ − 3564 }
+ − 3565 #endif
+ − 3566 #endif
+ − 3567
+ − 3568 return (NILP (*instream)
+ − 3569 ? USID_ERROR
+ − 3570 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
+ − 3571 : flags & STREAM_NETWORK_CONNECTION
+ − 3572 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (*instream)))
+ − 3573 #endif
+ − 3574 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (*instream))));
+ − 3575 }
+ − 3576
+ − 3577 USID
+ − 3578 emacs_mswindows_delete_stream_pair (Lisp_Object instream,
442
+ − 3579 Lisp_Object outstream)
428
+ − 3580 {
+ − 3581 /* Oh nothing special here for Win32 at all */
+ − 3582 #if defined (HAVE_UNIX_PROCESSES)
+ − 3583 int in = (NILP(instream)
+ − 3584 ? -1
+ − 3585 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
+ − 3586 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
+ − 3587 ? get_winsock_stream_param (XLSTREAM (instream))
+ − 3588 #endif
+ − 3589 : get_ntpipe_input_stream_param (XLSTREAM (instream)));
+ − 3590 int out = (NILP(outstream) ? -1
+ − 3591 : filedesc_stream_fd (XLSTREAM (outstream)));
+ − 3592
+ − 3593 if (in >= 0)
+ − 3594 close (in);
+ − 3595 if (out != in && out >= 0)
+ − 3596 close (out);
+ − 3597 #endif
+ − 3598
+ − 3599 return (NILP (instream)
+ − 3600 ? USID_DONTHASH
+ − 3601 #if defined(HAVE_SOCKETS) && !defined(HAVE_MSG_SELECT)
+ − 3602 : LSTREAM_TYPE_P (XLSTREAM (instream), winsock)
+ − 3603 ? HANDLE_TO_USID (get_winsock_stream_waitable (XLSTREAM (instream)))
+ − 3604 #endif
+ − 3605 : HANDLE_TO_USID (get_ntpipe_input_stream_waitable (XLSTREAM (instream))));
+ − 3606 }
+ − 3607
442
+ − 3608 static int
+ − 3609 emacs_mswindows_current_event_timestamp (struct console *c)
+ − 3610 {
+ − 3611 return GetTickCount ();
+ − 3612 }
+ − 3613
428
+ − 3614 #ifndef HAVE_X_WINDOWS
+ − 3615 /* This is called from GC when a process object is about to be freed.
+ − 3616 If we've still got pointers to it in this file, we're gonna lose hard.
+ − 3617 */
+ − 3618 void
440
+ − 3619 debug_process_finalization (Lisp_Process *p)
428
+ − 3620 {
+ − 3621 #if 0 /* #### */
+ − 3622 Lisp_Object instr, outstr;
+ − 3623
+ − 3624 get_process_streams (p, &instr, &outstr);
+ − 3625 /* if it still has fds, then it hasn't been killed yet. */
+ − 3626 assert (NILP(instr));
+ − 3627 assert (NILP(outstr));
+ − 3628
+ − 3629 /* #### More checks here */
+ − 3630 #endif
+ − 3631 }
+ − 3632 #endif
+ − 3633
+ − 3634 /************************************************************************/
+ − 3635 /* initialization */
+ − 3636 /************************************************************************/
+ − 3637
+ − 3638 void
+ − 3639 reinit_vars_of_event_mswindows (void)
+ − 3640 {
+ − 3641 mswindows_in_modal_loop = 0;
+ − 3642 mswindows_pending_timers_count = 0;
+ − 3643
+ − 3644 mswindows_event_stream = xnew (struct event_stream);
+ − 3645
+ − 3646 mswindows_event_stream->event_pending_p = emacs_mswindows_event_pending_p;
442
+ − 3647 mswindows_event_stream->force_event_pending = 0;
428
+ − 3648 mswindows_event_stream->next_event_cb = emacs_mswindows_next_event;
+ − 3649 mswindows_event_stream->handle_magic_event_cb = emacs_mswindows_handle_magic_event;
+ − 3650 mswindows_event_stream->add_timeout_cb = emacs_mswindows_add_timeout;
+ − 3651 mswindows_event_stream->remove_timeout_cb = emacs_mswindows_remove_timeout;
+ − 3652 mswindows_event_stream->quit_p_cb = emacs_mswindows_quit_p;
+ − 3653 mswindows_event_stream->select_console_cb = emacs_mswindows_select_console;
+ − 3654 mswindows_event_stream->unselect_console_cb = emacs_mswindows_unselect_console;
+ − 3655 #ifdef HAVE_MSG_SELECT
+ − 3656 mswindows_event_stream->select_process_cb =
440
+ − 3657 (void (*)(Lisp_Process*))event_stream_unixoid_select_process;
428
+ − 3658 mswindows_event_stream->unselect_process_cb =
440
+ − 3659 (void (*)(Lisp_Process*))event_stream_unixoid_unselect_process;
428
+ − 3660 mswindows_event_stream->create_stream_pair_cb = event_stream_unixoid_create_stream_pair;
+ − 3661 mswindows_event_stream->delete_stream_pair_cb = event_stream_unixoid_delete_stream_pair;
+ − 3662 #else
+ − 3663 mswindows_event_stream->select_process_cb = emacs_mswindows_select_process;
+ − 3664 mswindows_event_stream->unselect_process_cb = emacs_mswindows_unselect_process;
+ − 3665 mswindows_event_stream->create_stream_pair_cb = emacs_mswindows_create_stream_pair;
+ − 3666 mswindows_event_stream->delete_stream_pair_cb = emacs_mswindows_delete_stream_pair;
+ − 3667 #endif
442
+ − 3668 mswindows_event_stream->current_event_timestamp_cb =
+ − 3669 emacs_mswindows_current_event_timestamp;
428
+ − 3670 }
+ − 3671
+ − 3672 void
+ − 3673 vars_of_event_mswindows (void)
+ − 3674 {
+ − 3675 reinit_vars_of_event_mswindows ();
+ − 3676
+ − 3677 mswindows_u_dispatch_event_queue = Qnil;
+ − 3678 staticpro (&mswindows_u_dispatch_event_queue);
+ − 3679 mswindows_u_dispatch_event_queue_tail = Qnil;
452
+ − 3680 dump_add_root_object (&mswindows_u_dispatch_event_queue_tail);
428
+ − 3681
+ − 3682 mswindows_s_dispatch_event_queue = Qnil;
+ − 3683 staticpro (&mswindows_s_dispatch_event_queue);
+ − 3684 mswindows_s_dispatch_event_queue_tail = Qnil;
452
+ − 3685 dump_add_root_object (&mswindows_s_dispatch_event_queue_tail);
428
+ − 3686
+ − 3687 mswindows_error_caught_in_modal_loop = Qnil;
+ − 3688 staticpro (&mswindows_error_caught_in_modal_loop);
+ − 3689
442
+ − 3690
+ − 3691 #ifdef DEBUG_XEMACS
+ − 3692 DEFVAR_INT ("debug-mswindows-events", &debug_mswindows_events /*
+ − 3693 If non-zero, display debug information about Windows events that XEmacs sees.
+ − 3694 Information is displayed in a console window. Currently defined values are:
+ − 3695
+ − 3696 1 == non-verbose output
+ − 3697 2 == verbose output
+ − 3698
+ − 3699 #### Unfortunately, not yet implemented.
+ − 3700 */ );
+ − 3701 debug_mswindows_events = 0;
+ − 3702 #endif
+ − 3703
+ − 3704 DEFVAR_BOOL ("mswindows-alt-by-itself-activates-menu",
+ − 3705 &mswindows_alt_by_itself_activates_menu /*
+ − 3706 *Controls whether pressing and releasing the Alt key activates the menubar.
+ − 3707 This applies only if no intervening key was pressed. See also
+ − 3708 `menu-accelerator-enabled', which is probably the behavior you actually want.
428
+ − 3709 Default is t.
+ − 3710 */ );
+ − 3711
442
+ − 3712 DEFVAR_BOOL ("mswindows-dynamic-frame-resize",
+ − 3713 &mswindows_dynamic_frame_resize /*
428
+ − 3714 *Controls redrawing frame contents during mouse-drag or keyboard resize
+ − 3715 operation. When non-nil, the frame is redrawn while being resized. When
+ − 3716 nil, frame is not redrawn, and exposed areas are filled with default
+ − 3717 MDI application background color. Note that this option only has effect
+ − 3718 if "Show window contents while dragging" is on in system Display/Plus!
+ − 3719 settings.
+ − 3720 Default is t on fast machines, nil on slow.
+ − 3721 */ );
+ − 3722
442
+ − 3723 DEFVAR_INT ("mswindows-mouse-button-tolerance",
+ − 3724 &mswindows_mouse_button_tolerance /*
428
+ − 3725 *Analogue of double click interval for faking middle mouse events.
+ − 3726 The value is the minimum time in milliseconds that must elapse between
+ − 3727 left/right button down events before they are considered distinct events.
+ − 3728 If both mouse buttons are depressed within this interval, a middle mouse
+ − 3729 button down event is generated instead.
+ − 3730 If negative or zero, currently set system default is used instead.
+ − 3731 */ );
+ − 3732
+ − 3733 DEFVAR_INT ("mswindows-num-mouse-buttons", &mswindows_num_mouse_buttons /*
+ − 3734 Number of physical mouse buttons.
+ − 3735 */ );
+ − 3736
442
+ − 3737 DEFVAR_INT ("mswindows-mouse-button-max-skew-x",
+ − 3738 &mswindows_mouse_button_max_skew_x /*
428
+ − 3739 *Maximum horizontal distance in pixels between points in which left and
+ − 3740 right button clicks occurred for them to be translated into single
+ − 3741 middle button event. Clicks must occur in time not longer than defined
+ − 3742 by the variable `mswindows-mouse-button-tolerance'.
+ − 3743 If negative or zero, currently set system default is used instead.
+ − 3744 */ );
+ − 3745
442
+ − 3746 DEFVAR_INT ("mswindows-mouse-button-max-skew-y",
+ − 3747 &mswindows_mouse_button_max_skew_y /*
428
+ − 3748 *Maximum vertical distance in pixels between points in which left and
+ − 3749 right button clicks occurred for them to be translated into single
+ − 3750 middle button event. Clicks must occur in time not longer than defined
+ − 3751 by the variable `mswindows-mouse-button-tolerance'.
+ − 3752 If negative or zero, currently set system default is used instead.
+ − 3753 */ );
+ − 3754
+ − 3755 mswindows_mouse_button_max_skew_x = 0;
+ − 3756 mswindows_mouse_button_max_skew_y = 0;
+ − 3757 mswindows_mouse_button_tolerance = 0;
442
+ − 3758 mswindows_alt_by_itself_activates_menu = 1;
428
+ − 3759 }
+ − 3760
+ − 3761 void
+ − 3762 syms_of_event_mswindows (void)
+ − 3763 {
+ − 3764 }
+ − 3765
+ − 3766 void
+ − 3767 lstream_type_create_mswindows_selectable (void)
+ − 3768 {
+ − 3769 init_slurp_stream ();
+ − 3770 init_shove_stream ();
502
+ − 3771 #if defined (HAVE_SOCKETS) && !defined (HAVE_MSG_SELECT)
428
+ − 3772 init_winsock_stream ();
+ − 3773 #endif
+ − 3774 }
+ − 3775
+ − 3776 void
+ − 3777 init_event_mswindows_late (void)
+ − 3778 {
+ − 3779 #ifdef HAVE_MSG_SELECT
+ − 3780 windows_fd = open("/dev/windows", O_RDONLY | O_NONBLOCK, 0);
+ − 3781 assert (windows_fd>=0);
+ − 3782 FD_SET (windows_fd, &input_wait_mask);
+ − 3783 FD_ZERO(&zero_mask);
+ − 3784 #endif
+ − 3785
+ − 3786 event_stream = mswindows_event_stream;
+ − 3787
+ − 3788 mswindows_dynamic_frame_resize = !GetSystemMetrics (SM_SLOWMACHINE);
+ − 3789 mswindows_num_mouse_buttons = GetSystemMetrics (SM_CMOUSEBUTTONS);
+ − 3790 }
