Commit | Line | Data |
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e9e23e23 | 1 | /* Input event support for Emacs on the Microsoft W32 API. |
b02466e8 | 2 | Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc. |
6cdfb6e6 | 3 | |
3b7ad313 EN |
4 | This file is part of GNU Emacs. |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. | |
6cdfb6e6 RS |
20 | |
21 | Drew Bliss 01-Oct-93 | |
22 | Adapted from ntkbd.c by Tim Fleehart | |
23 | */ | |
24 | ||
25 | ||
26 | #include "config.h" | |
27 | ||
28 | #include <stdlib.h> | |
29 | #include <stdio.h> | |
30 | #include <windows.h> | |
31 | ||
32 | #include "lisp.h" | |
33 | #include "frame.h" | |
34 | #include "blockinput.h" | |
35 | #include "termhooks.h" | |
29a2c30f GV |
36 | #include "w32heap.h" |
37 | #include "w32term.h" | |
6cdfb6e6 RS |
38 | |
39 | /* stdin, from ntterm */ | |
40 | extern HANDLE keyboard_handle; | |
41 | ||
6cdfb6e6 RS |
42 | /* Info for last mouse motion */ |
43 | static COORD movement_pos; | |
44 | static DWORD movement_time; | |
45 | ||
46 | /* from keyboard.c */ | |
47 | extern void reinvoke_input_signal (void); | |
48 | ||
49 | /* from dispnew.c */ | |
50 | extern int change_frame_size (FRAME_PTR, int, int, int, int); | |
51 | ||
5a6816da | 52 | /* from w32fns.c */ |
fbd6baed | 53 | extern Lisp_Object Vw32_alt_is_meta; |
29a2c30f | 54 | extern unsigned int map_keypad_keys (unsigned int, unsigned int); |
5a6816da | 55 | |
59131421 GV |
56 | /* from w32term */ |
57 | extern Lisp_Object Vw32_capslock_is_shiftlock; | |
29a2c30f GV |
58 | extern Lisp_Object Vw32_enable_caps_lock; |
59 | extern Lisp_Object Vw32_enable_num_lock; | |
c0f1b02e | 60 | extern Lisp_Object Vw32_recognize_altgr; |
29a2c30f GV |
61 | extern Lisp_Object Vw32_pass_lwindow_to_system; |
62 | extern Lisp_Object Vw32_pass_rwindow_to_system; | |
9ddef9c4 | 63 | extern Lisp_Object Vw32_phantom_key_code; |
29a2c30f GV |
64 | extern Lisp_Object Vw32_lwindow_modifier; |
65 | extern Lisp_Object Vw32_rwindow_modifier; | |
66 | extern Lisp_Object Vw32_apps_modifier; | |
67 | extern Lisp_Object Vw32_scroll_lock_modifier; | |
68 | extern unsigned int w32_key_to_modifier (int key); | |
59131421 | 69 | |
6cdfb6e6 RS |
70 | /* Event queue */ |
71 | #define EVENT_QUEUE_SIZE 50 | |
72 | static INPUT_RECORD event_queue[EVENT_QUEUE_SIZE]; | |
73 | static INPUT_RECORD *queue_ptr = event_queue, *queue_end = event_queue; | |
74 | ||
75 | static int | |
76 | fill_queue (BOOL block) | |
77 | { | |
78 | BOOL rc; | |
79 | DWORD events_waiting; | |
80 | ||
81 | if (queue_ptr < queue_end) | |
82 | return queue_end-queue_ptr; | |
83 | ||
84 | if (!block) | |
85 | { | |
86 | /* Check to see if there are some events to read before we try | |
87 | because we can't block. */ | |
88 | if (!GetNumberOfConsoleInputEvents (keyboard_handle, &events_waiting)) | |
89 | return -1; | |
90 | if (events_waiting == 0) | |
91 | return 0; | |
92 | } | |
93 | ||
94 | rc = ReadConsoleInput (keyboard_handle, event_queue, EVENT_QUEUE_SIZE, | |
95 | &events_waiting); | |
96 | if (!rc) | |
97 | return -1; | |
98 | queue_ptr = event_queue; | |
99 | queue_end = event_queue + events_waiting; | |
100 | return (int) events_waiting; | |
101 | } | |
102 | ||
103 | /* In a generic, multi-frame world this should take a console handle | |
104 | and return the frame for it | |
105 | ||
106 | Right now, there's only one frame so return it. */ | |
107 | static FRAME_PTR | |
108 | get_frame (void) | |
109 | { | |
110 | return selected_frame; | |
111 | } | |
112 | ||
b02466e8 KH |
113 | /* Translate console modifiers to emacs modifiers. |
114 | German keyboard support (Kai Morgan Zeise 2/18/95). */ | |
407c1745 | 115 | int |
59131421 | 116 | w32_kbd_mods_to_emacs (DWORD mods, WORD key) |
6cdfb6e6 | 117 | { |
b02466e8 KH |
118 | int retval = 0; |
119 | ||
c0f1b02e | 120 | /* If we recognize right-alt and left-ctrl as AltGr, and it has been |
29a2c30f | 121 | pressed, first remove those modifiers. */ |
c0f1b02e GV |
122 | if (!NILP (Vw32_recognize_altgr) |
123 | && (mods & (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) | |
b02466e8 KH |
124 | == (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) |
125 | mods &= ~ (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED); | |
126 | ||
127 | if (mods & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED)) | |
fbd6baed | 128 | retval = ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier); |
b02466e8 KH |
129 | |
130 | if (mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
131 | { | |
132 | retval |= ctrl_modifier; | |
133 | if ((mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
134 | == (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
135 | retval |= meta_modifier; | |
136 | } | |
137 | ||
29a2c30f GV |
138 | if (mods & LEFT_WIN_PRESSED) |
139 | retval |= w32_key_to_modifier (VK_LWIN); | |
140 | if (mods & RIGHT_WIN_PRESSED) | |
141 | retval |= w32_key_to_modifier (VK_RWIN); | |
142 | if (mods & APPS_PRESSED) | |
143 | retval |= w32_key_to_modifier (VK_APPS); | |
144 | if (mods & SCROLLLOCK_ON) | |
145 | retval |= w32_key_to_modifier (VK_SCROLL); | |
146 | ||
59131421 GV |
147 | /* Just in case someone wanted the original behaviour, make it |
148 | optional by setting w32-capslock-is-shiftlock to t. */ | |
29a2c30f GV |
149 | if (NILP (Vw32_capslock_is_shiftlock) |
150 | /* Keys that should _not_ be affected by CapsLock. */ | |
151 | && ( (key == VK_BACK) | |
152 | || (key == VK_TAB) | |
153 | || (key == VK_CLEAR) | |
154 | || (key == VK_RETURN) | |
155 | || (key == VK_ESCAPE) | |
156 | || ((key >= VK_SPACE) && (key <= VK_HELP)) | |
157 | || ((key >= VK_NUMPAD0) && (key <= VK_F24)) | |
158 | || ((key >= VK_NUMPAD_CLEAR) && (key <= VK_NUMPAD_DELETE)) | |
159 | )) | |
59131421 | 160 | { |
29a2c30f GV |
161 | /* Only consider shift state. */ |
162 | if ((mods & SHIFT_PRESSED) != 0) | |
59131421 GV |
163 | retval |= shift_modifier; |
164 | } | |
165 | else | |
166 | { | |
29a2c30f GV |
167 | /* Ignore CapsLock state if not enabled. */ |
168 | if (NILP (Vw32_enable_caps_lock)) | |
169 | mods &= ~CAPSLOCK_ON; | |
170 | if ((mods & (SHIFT_PRESSED | CAPSLOCK_ON)) != 0) | |
171 | retval |= shift_modifier; | |
59131421 | 172 | } |
b02466e8 KH |
173 | |
174 | return retval; | |
175 | } | |
176 | ||
29a2c30f GV |
177 | #if 0 |
178 | /* Return nonzero if the virtual key is a dead key. */ | |
179 | static int | |
180 | is_dead_key (int wparam) | |
181 | { | |
182 | unsigned int code = MapVirtualKey (wparam, 2); | |
183 | ||
184 | /* Windows 95 returns 0x8000, NT returns 0x80000000. */ | |
185 | return (code & 0x80008000) ? 1 : 0; | |
186 | } | |
187 | #endif | |
188 | ||
daf38066 | 189 | /* The return code indicates key code size. */ |
c0386d7e | 190 | int |
fbd6baed | 191 | w32_kbd_patch_key (KEY_EVENT_RECORD *event) |
b02466e8 KH |
192 | { |
193 | unsigned int key_code = event->wVirtualKeyCode; | |
194 | unsigned int mods = event->dwControlKeyState; | |
daf38066 GV |
195 | BYTE keystate[256]; |
196 | static BYTE ansi_code[4]; | |
407c1745 | 197 | static int isdead = 0; |
daf38066 GV |
198 | |
199 | if (isdead == 2) | |
200 | { | |
201 | event->uChar.AsciiChar = ansi_code[2]; | |
202 | isdead = 0; | |
203 | return 1; | |
b02466e8 | 204 | } |
daf38066 GV |
205 | if (event->uChar.AsciiChar != 0) |
206 | return 1; | |
c0386d7e | 207 | |
daf38066 | 208 | memset (keystate, 0, sizeof (keystate)); |
29a2c30f | 209 | keystate[key_code] = 0x80; |
daf38066 GV |
210 | if (mods & SHIFT_PRESSED) |
211 | keystate[VK_SHIFT] = 0x80; | |
212 | if (mods & CAPSLOCK_ON) | |
213 | keystate[VK_CAPITAL] = 1; | |
c0f1b02e GV |
214 | /* If we recognize right-alt and left-ctrl as AltGr, set the key |
215 | states accordingly before invoking ToAscii. */ | |
216 | if (!NILP (Vw32_recognize_altgr) | |
217 | && (mods & LEFT_CTRL_PRESSED) && (mods & RIGHT_ALT_PRESSED)) | |
c0386d7e GV |
218 | { |
219 | keystate[VK_CONTROL] = 0x80; | |
220 | keystate[VK_LCONTROL] = 0x80; | |
221 | keystate[VK_MENU] = 0x80; | |
222 | keystate[VK_RMENU] = 0x80; | |
223 | } | |
224 | ||
29a2c30f GV |
225 | #if 0 |
226 | /* Because of an OS bug, ToAscii corrupts the stack when called to | |
227 | convert a dead key in console mode on NT4. Unfortunately, trying | |
228 | to check for dead keys using MapVirtualKey doesn't work either - | |
229 | these functions apparently use internal information about keyboard | |
230 | layout which doesn't get properly updated in console programs when | |
231 | changing layout (though apparently it gets partly updated, | |
232 | otherwise ToAscii wouldn't crash). */ | |
233 | if (is_dead_key (event->wVirtualKeyCode)) | |
234 | return 0; | |
235 | #endif | |
236 | ||
237 | /* On NT, call ToUnicode instead and then convert to the current | |
238 | locale's default codepage. */ | |
239 | if (os_subtype == OS_NT) | |
240 | { | |
241 | WCHAR buf[128]; | |
242 | ||
243 | isdead = ToUnicode (event->wVirtualKeyCode, event->wVirtualScanCode, | |
244 | keystate, buf, 128, 0); | |
245 | if (isdead > 0) | |
246 | { | |
247 | char cp[20]; | |
248 | int cpId; | |
249 | ||
250 | GetLocaleInfo (GetThreadLocale (), | |
251 | LOCALE_IDEFAULTANSICODEPAGE, cp, 20); | |
252 | cpId = atoi (cp); | |
253 | isdead = WideCharToMultiByte (cpId, 0, buf, isdead, | |
254 | ansi_code, 4, NULL, NULL); | |
255 | } | |
256 | else | |
257 | isdead = 0; | |
258 | } | |
259 | else | |
260 | { | |
261 | isdead = ToAscii (event->wVirtualKeyCode, event->wVirtualScanCode, | |
262 | keystate, (LPWORD) ansi_code, 0); | |
263 | } | |
264 | ||
daf38066 GV |
265 | if (isdead == 0) |
266 | return 0; | |
267 | event->uChar.AsciiChar = ansi_code[0]; | |
268 | return isdead; | |
6cdfb6e6 | 269 | } |
407c1745 | 270 | |
6cdfb6e6 | 271 | |
29a2c30f | 272 | extern char *lispy_function_keys[]; |
6cdfb6e6 | 273 | |
9ddef9c4 GV |
274 | static int faked_key = 0; |
275 | ||
daf38066 GV |
276 | /* return code -1 means that event_queue_ptr won't be incremented. |
277 | In other word, this event makes two key codes. (by himi) */ | |
c0386d7e | 278 | int |
59131421 | 279 | key_event (KEY_EVENT_RECORD *event, struct input_event *emacs_ev, int *isdead) |
6cdfb6e6 | 280 | { |
29a2c30f GV |
281 | static int mod_key_state = 0; |
282 | int wParam; | |
59131421 GV |
283 | |
284 | *isdead = 0; | |
29a2c30f | 285 | |
6cdfb6e6 | 286 | /* Skip key-up events. */ |
407c1745 | 287 | if (!event->bKeyDown) |
6cdfb6e6 | 288 | { |
29a2c30f GV |
289 | switch (event->wVirtualKeyCode) |
290 | { | |
291 | case VK_LWIN: | |
292 | mod_key_state &= ~LEFT_WIN_PRESSED; | |
293 | break; | |
294 | case VK_RWIN: | |
295 | mod_key_state &= ~RIGHT_WIN_PRESSED; | |
296 | break; | |
297 | case VK_APPS: | |
298 | mod_key_state &= ~APPS_PRESSED; | |
299 | break; | |
300 | } | |
6cdfb6e6 RS |
301 | return 0; |
302 | } | |
b02466e8 | 303 | |
29a2c30f GV |
304 | /* Ignore keystrokes we fake ourself; see below. */ |
305 | if (faked_key == event->wVirtualKeyCode) | |
6cdfb6e6 | 306 | { |
29a2c30f | 307 | faked_key = 0; |
6cdfb6e6 RS |
308 | return 0; |
309 | } | |
29a2c30f GV |
310 | |
311 | /* To make it easier to debug this code, ignore modifier keys! */ | |
312 | switch (event->wVirtualKeyCode) | |
6cdfb6e6 | 313 | { |
29a2c30f GV |
314 | case VK_LWIN: |
315 | if (NILP (Vw32_pass_lwindow_to_system)) | |
316 | { | |
317 | /* Prevent system from acting on keyup (which opens the Start | |
318 | menu if no other key was pressed) by simulating a press of | |
319 | Space which we will ignore. */ | |
320 | if ((mod_key_state & LEFT_WIN_PRESSED) == 0) | |
321 | { | |
9ddef9c4 GV |
322 | if (NUMBERP (Vw32_phantom_key_code)) |
323 | faked_key = XUINT (Vw32_phantom_key_code) & 255; | |
324 | else | |
325 | faked_key = VK_SPACE; | |
326 | keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0); | |
29a2c30f GV |
327 | } |
328 | } | |
329 | mod_key_state |= LEFT_WIN_PRESSED; | |
330 | if (!NILP (Vw32_lwindow_modifier)) | |
daf38066 | 331 | return 0; |
29a2c30f GV |
332 | break; |
333 | case VK_RWIN: | |
334 | if (NILP (Vw32_pass_rwindow_to_system)) | |
335 | { | |
336 | if ((mod_key_state & RIGHT_WIN_PRESSED) == 0) | |
337 | { | |
9ddef9c4 GV |
338 | if (NUMBERP (Vw32_phantom_key_code)) |
339 | faked_key = XUINT (Vw32_phantom_key_code) & 255; | |
340 | else | |
341 | faked_key = VK_SPACE; | |
342 | keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0); | |
29a2c30f GV |
343 | } |
344 | } | |
345 | mod_key_state |= RIGHT_WIN_PRESSED; | |
346 | if (!NILP (Vw32_rwindow_modifier)) | |
347 | return 0; | |
348 | break; | |
349 | case VK_APPS: | |
350 | mod_key_state |= APPS_PRESSED; | |
351 | if (!NILP (Vw32_apps_modifier)) | |
352 | return 0; | |
353 | break; | |
354 | case VK_CAPITAL: | |
355 | /* Decide whether to treat as modifier or function key. */ | |
356 | if (NILP (Vw32_enable_caps_lock)) | |
357 | goto disable_lock_key; | |
358 | return 0; | |
359 | case VK_NUMLOCK: | |
360 | /* Decide whether to treat as modifier or function key. */ | |
361 | if (NILP (Vw32_enable_num_lock)) | |
362 | goto disable_lock_key; | |
363 | return 0; | |
364 | case VK_SCROLL: | |
365 | /* Decide whether to treat as modifier or function key. */ | |
366 | if (NILP (Vw32_scroll_lock_modifier)) | |
367 | goto disable_lock_key; | |
368 | return 0; | |
369 | disable_lock_key: | |
370 | /* Ensure the appropriate lock key state is off (and the | |
371 | indicator light as well). */ | |
372 | wParam = event->wVirtualKeyCode; | |
373 | if (GetAsyncKeyState (wParam) & 0x8000) | |
374 | { | |
375 | /* Fake another press of the relevant key. Apparently, this | |
376 | really is the only way to turn off the indicator. */ | |
377 | faked_key = wParam; | |
378 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
379 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
380 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
381 | KEYEVENTF_EXTENDEDKEY | 0, 0); | |
382 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
383 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
384 | } | |
385 | break; | |
386 | case VK_MENU: | |
387 | case VK_CONTROL: | |
388 | case VK_SHIFT: | |
389 | return 0; | |
9ddef9c4 GV |
390 | case VK_CANCEL: |
391 | /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL, | |
392 | which is confusing for purposes of key binding; convert | |
393 | VK_CANCEL events into VK_PAUSE events. */ | |
394 | event->wVirtualKeyCode = VK_PAUSE; | |
395 | break; | |
396 | case VK_PAUSE: | |
397 | /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing | |
398 | for purposes of key binding; convert these back into | |
399 | VK_NUMLOCK events, at least when we want to see NumLock key | |
400 | presses. (Note that there is never any possibility that | |
401 | VK_PAUSE with Ctrl really is C-Pause as per above.) */ | |
402 | if (NILP (Vw32_enable_num_lock) | |
403 | && (event->dwControlKeyState | |
404 | & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) != 0) | |
405 | event->wVirtualKeyCode = VK_NUMLOCK; | |
406 | break; | |
6cdfb6e6 | 407 | } |
29a2c30f GV |
408 | |
409 | /* Recognize state of Windows and Apps keys. */ | |
410 | event->dwControlKeyState |= mod_key_state; | |
411 | ||
412 | /* Distinguish numeric keypad keys from extended keys. */ | |
413 | event->wVirtualKeyCode = | |
414 | map_keypad_keys (event->wVirtualKeyCode, | |
415 | (event->dwControlKeyState & ENHANCED_KEY)); | |
416 | ||
417 | if (lispy_function_keys[event->wVirtualKeyCode] == 0) | |
daf38066 | 418 | { |
29a2c30f GV |
419 | emacs_ev->kind = ascii_keystroke; |
420 | ||
421 | if (!NILP (Vw32_recognize_altgr) | |
422 | && (event->dwControlKeyState & LEFT_CTRL_PRESSED) | |
423 | && (event->dwControlKeyState & RIGHT_ALT_PRESSED)) | |
daf38066 | 424 | { |
29a2c30f GV |
425 | /* Don't try to interpret AltGr key chords; ToAscii seems not |
426 | to process them correctly. */ | |
daf38066 | 427 | } |
29a2c30f GV |
428 | /* Handle key chords including any modifiers other than shift |
429 | directly, in order to preserve as much modifier information as | |
430 | possible. */ | |
431 | else if (event->dwControlKeyState | |
432 | & ( RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED | |
433 | | RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED | |
434 | | (!NILP (Vw32_lwindow_modifier) ? LEFT_WIN_PRESSED : 0) | |
435 | | (!NILP (Vw32_rwindow_modifier) ? RIGHT_WIN_PRESSED : 0) | |
436 | | (!NILP (Vw32_apps_modifier) ? APPS_PRESSED : 0) | |
437 | | (!NILP (Vw32_scroll_lock_modifier) ? SCROLLLOCK_ON : 0))) | |
438 | { | |
439 | /* Don't translate modified alphabetic keystrokes, so the user | |
440 | doesn't need to constantly switch layout to type control or | |
441 | meta keystrokes when the normal layout translates | |
442 | alphabetic characters to non-ascii characters. */ | |
443 | if ('A' <= event->wVirtualKeyCode && event->wVirtualKeyCode <= 'Z') | |
444 | { | |
445 | event->uChar.AsciiChar = event->wVirtualKeyCode; | |
446 | if ((event->dwControlKeyState & SHIFT_PRESSED) == 0) | |
447 | event->uChar.AsciiChar += ('a' - 'A'); | |
448 | } | |
449 | /* Try to handle unrecognized keystrokes by determining the | |
450 | base character (ie. translating the base key plus shift | |
451 | modifier). */ | |
452 | else if (event->uChar.AsciiChar == 0) | |
453 | w32_kbd_patch_key (event); | |
454 | } | |
455 | if (event->uChar.AsciiChar == 0) | |
daf38066 | 456 | return 0; |
29a2c30f | 457 | XSETINT (emacs_ev->code, event->uChar.AsciiChar); |
daf38066 | 458 | } |
6cdfb6e6 RS |
459 | else |
460 | { | |
6cdfb6e6 | 461 | emacs_ev->kind = non_ascii_keystroke; |
407c1745 | 462 | XSETINT (emacs_ev->code, event->wVirtualKeyCode); |
6cdfb6e6 | 463 | } |
29a2c30f | 464 | |
b02466e8 | 465 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
59131421 GV |
466 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, |
467 | event->wVirtualKeyCode); | |
6cdfb6e6 RS |
468 | emacs_ev->timestamp = GetTickCount (); |
469 | return 1; | |
470 | } | |
471 | ||
9ddef9c4 GV |
472 | int |
473 | w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state) | |
474 | { | |
475 | int cur_state = (GetKeyState (vk_code) & 1); | |
476 | ||
477 | if (NILP (new_state) | |
478 | || (NUMBERP (new_state) | |
479 | && (XUINT (new_state)) & 1 != cur_state)) | |
480 | { | |
481 | faked_key = vk_code; | |
482 | ||
483 | keybd_event ((BYTE) vk_code, | |
484 | (BYTE) MapVirtualKey (vk_code, 0), | |
485 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
486 | keybd_event ((BYTE) vk_code, | |
487 | (BYTE) MapVirtualKey (vk_code, 0), | |
488 | KEYEVENTF_EXTENDEDKEY | 0, 0); | |
489 | keybd_event ((BYTE) vk_code, | |
490 | (BYTE) MapVirtualKey (vk_code, 0), | |
491 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
492 | cur_state = !cur_state; | |
493 | } | |
494 | ||
495 | return cur_state; | |
496 | } | |
497 | ||
6cdfb6e6 RS |
498 | /* Mouse position hook. */ |
499 | void | |
81e3e4fd | 500 | w32_console_mouse_position (FRAME_PTR *f, |
daf38066 | 501 | #ifndef MULE |
81e3e4fd | 502 | int insist, |
daf38066 | 503 | #endif |
81e3e4fd GV |
504 | Lisp_Object *bar_window, |
505 | enum scroll_bar_part *part, | |
506 | Lisp_Object *x, | |
507 | Lisp_Object *y, | |
508 | unsigned long *time) | |
6cdfb6e6 RS |
509 | { |
510 | BLOCK_INPUT; | |
407c1745 GV |
511 | |
512 | #ifndef MULE | |
b02466e8 | 513 | insist = insist; |
daf38066 | 514 | #endif |
b02466e8 | 515 | |
6cdfb6e6 RS |
516 | *f = get_frame (); |
517 | *bar_window = Qnil; | |
518 | *part = 0; | |
0e7078f5 | 519 | selected_frame->mouse_moved = 0; |
6cdfb6e6 RS |
520 | |
521 | *x = movement_pos.X; | |
522 | *y = movement_pos.Y; | |
523 | *time = movement_time; | |
524 | ||
525 | UNBLOCK_INPUT; | |
526 | } | |
527 | ||
528 | /* Remember mouse motion and notify emacs. */ | |
529 | static void | |
530 | mouse_moved_to (int x, int y) | |
531 | { | |
532 | /* If we're in the same place, ignore it */ | |
533 | if (x != movement_pos.X || y != movement_pos.Y) | |
534 | { | |
0e7078f5 | 535 | selected_frame->mouse_moved = 1; |
6cdfb6e6 RS |
536 | movement_pos.X = x; |
537 | movement_pos.Y = y; | |
538 | movement_time = GetTickCount (); | |
539 | } | |
540 | } | |
541 | ||
542 | /* Consoles return button bits in a strange order: | |
543 | least significant - Leftmost button | |
544 | next - Rightmost button | |
545 | next - Leftmost+1 | |
546 | next - Leftmost+2... | |
547 | ||
548 | Assume emacs likes three button mice, so | |
549 | Left == 0 | |
550 | Middle == 1 | |
551 | Right == 2 | |
552 | Others increase from there. */ | |
553 | ||
554 | static int emacs_button_translation[NUM_MOUSE_BUTTONS] = | |
555 | { | |
556 | 0, 2, 1, 3, 4, | |
557 | }; | |
558 | ||
559 | static int | |
560 | do_mouse_event (MOUSE_EVENT_RECORD *event, | |
561 | struct input_event *emacs_ev) | |
562 | { | |
563 | static DWORD button_state = 0; | |
564 | DWORD but_change, mask; | |
565 | int i; | |
566 | ||
567 | if (event->dwEventFlags == MOUSE_MOVED) | |
568 | { | |
569 | /* For movement events we just note that the mouse has moved | |
570 | so that emacs will generate drag events. */ | |
571 | mouse_moved_to (event->dwMousePosition.X, event->dwMousePosition.Y); | |
572 | return 0; | |
573 | } | |
574 | ||
575 | /* It looks like the console code sends us a mouse event with | |
576 | dwButtonState == 0 when a window is activated. Ignore this case. */ | |
577 | if (event->dwButtonState == button_state) | |
578 | return 0; | |
579 | ||
580 | emacs_ev->kind = mouse_click; | |
581 | ||
582 | /* Find out what button has changed state since the last button event. */ | |
583 | but_change = button_state ^ event->dwButtonState; | |
584 | mask = 1; | |
585 | for (i = 0; i < NUM_MOUSE_BUTTONS; i++, mask <<= 1) | |
586 | if (but_change & mask) | |
587 | { | |
9e539a3c | 588 | XSETINT (emacs_ev->code, emacs_button_translation[i]); |
6cdfb6e6 RS |
589 | break; |
590 | } | |
591 | ||
592 | /* If the changed button is out of emacs' range (highly unlikely) | |
593 | ignore this event. */ | |
594 | if (i == NUM_MOUSE_BUTTONS) | |
595 | return 0; | |
596 | ||
597 | button_state = event->dwButtonState; | |
598 | emacs_ev->timestamp = GetTickCount (); | |
59131421 | 599 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, 0) | |
6cdfb6e6 RS |
600 | ((event->dwButtonState & mask) ? down_modifier : up_modifier); |
601 | ||
9e539a3c KH |
602 | XSETFASTINT (emacs_ev->x, event->dwMousePosition.X); |
603 | XSETFASTINT (emacs_ev->y, event->dwMousePosition.Y); | |
daf38066 GV |
604 | /* for Mule 2.2 (Based on Emacs 19.28 */ |
605 | #ifdef MULE | |
606 | XSET (emacs_ev->frame_or_window, Lisp_Frame, get_frame ()); | |
607 | #else | |
b02466e8 | 608 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
daf38066 | 609 | #endif |
6cdfb6e6 RS |
610 | |
611 | return 1; | |
612 | } | |
613 | ||
614 | static void | |
615 | resize_event (WINDOW_BUFFER_SIZE_RECORD *event) | |
616 | { | |
617 | FRAME_PTR f = get_frame (); | |
618 | ||
619 | change_frame_size (f, event->dwSize.Y, event->dwSize.X, 0, 1); | |
620 | SET_FRAME_GARBAGED (f); | |
621 | } | |
622 | ||
b7b97897 AI |
623 | static void |
624 | maybe_generate_resize_event () | |
625 | { | |
626 | CONSOLE_SCREEN_BUFFER_INFO info; | |
627 | FRAME_PTR f = get_frame (); | |
628 | ||
629 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
630 | ||
631 | /* It is okay to call this unconditionally, since it will do nothing | |
632 | if the size hasn't actually changed. */ | |
633 | change_frame_size (f, | |
634 | 1 + info.srWindow.Bottom - info.srWindow.Top, | |
635 | 1 + info.srWindow.Right - info.srWindow.Left, | |
636 | 0, 0); | |
637 | } | |
638 | ||
6cdfb6e6 | 639 | int |
fbd6baed | 640 | w32_console_read_socket (int sd, struct input_event *bufp, int numchars, |
81e3e4fd | 641 | int expected) |
6cdfb6e6 RS |
642 | { |
643 | BOOL no_events = TRUE; | |
644 | int nev, ret = 0, add; | |
59131421 GV |
645 | int isdead; |
646 | ||
6cdfb6e6 RS |
647 | if (interrupt_input_blocked) |
648 | { | |
649 | interrupt_input_pending = 1; | |
650 | return -1; | |
651 | } | |
652 | ||
653 | interrupt_input_pending = 0; | |
654 | BLOCK_INPUT; | |
655 | ||
656 | for (;;) | |
657 | { | |
06c2c73d | 658 | nev = fill_queue (0); |
6cdfb6e6 RS |
659 | if (nev <= 0) |
660 | { | |
661 | /* If nev == -1, there was some kind of error | |
662 | If nev == 0 then waitp must be zero and no events were available | |
663 | so return. */ | |
664 | UNBLOCK_INPUT; | |
665 | return nev; | |
666 | } | |
667 | ||
668 | while (nev > 0 && numchars > 0) | |
669 | { | |
670 | switch (queue_ptr->EventType) | |
671 | { | |
672 | case KEY_EVENT: | |
59131421 | 673 | add = key_event (&queue_ptr->Event.KeyEvent, bufp, &isdead); |
daf38066 GV |
674 | if (add == -1) /* 95.7.25 by himi */ |
675 | { | |
676 | queue_ptr--; | |
677 | add = 1; | |
678 | } | |
6cdfb6e6 RS |
679 | bufp += add; |
680 | ret += add; | |
681 | numchars -= add; | |
682 | break; | |
683 | ||
684 | case MOUSE_EVENT: | |
685 | add = do_mouse_event (&queue_ptr->Event.MouseEvent, bufp); | |
686 | bufp += add; | |
687 | ret += add; | |
688 | numchars -= add; | |
689 | break; | |
690 | ||
b7b97897 | 691 | #if 0 |
6cdfb6e6 RS |
692 | case WINDOW_BUFFER_SIZE_EVENT: |
693 | resize_event (&queue_ptr->Event.WindowBufferSizeEvent); | |
694 | break; | |
b7b97897 | 695 | #endif |
6cdfb6e6 RS |
696 | |
697 | case MENU_EVENT: | |
698 | case FOCUS_EVENT: | |
699 | /* Internal event types, ignored. */ | |
700 | break; | |
701 | } | |
702 | ||
703 | queue_ptr++; | |
704 | nev--; | |
705 | } | |
706 | ||
707 | if (ret > 0 || expected == 0) | |
708 | break; | |
709 | } | |
b7b97897 AI |
710 | |
711 | /* We don't get told about changes in the window size (only the buffer | |
712 | size, which we no longer care about), so we have to check it | |
713 | periodically. */ | |
714 | maybe_generate_resize_event (); | |
715 | ||
6cdfb6e6 RS |
716 | UNBLOCK_INPUT; |
717 | return ret; | |
718 | } |