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 | ||
d44c074d AI |
52 | /* from w32console.c */ |
53 | extern int w32_use_full_screen_buffer; | |
54 | ||
5a6816da | 55 | /* from w32fns.c */ |
fbd6baed | 56 | extern Lisp_Object Vw32_alt_is_meta; |
29a2c30f | 57 | extern unsigned int map_keypad_keys (unsigned int, unsigned int); |
5a6816da | 58 | |
59131421 GV |
59 | /* from w32term */ |
60 | extern Lisp_Object Vw32_capslock_is_shiftlock; | |
29a2c30f GV |
61 | extern Lisp_Object Vw32_enable_caps_lock; |
62 | extern Lisp_Object Vw32_enable_num_lock; | |
c0f1b02e | 63 | extern Lisp_Object Vw32_recognize_altgr; |
29a2c30f GV |
64 | extern Lisp_Object Vw32_pass_lwindow_to_system; |
65 | extern Lisp_Object Vw32_pass_rwindow_to_system; | |
9ddef9c4 | 66 | extern Lisp_Object Vw32_phantom_key_code; |
29a2c30f GV |
67 | extern Lisp_Object Vw32_lwindow_modifier; |
68 | extern Lisp_Object Vw32_rwindow_modifier; | |
69 | extern Lisp_Object Vw32_apps_modifier; | |
70 | extern Lisp_Object Vw32_scroll_lock_modifier; | |
71 | extern unsigned int w32_key_to_modifier (int key); | |
59131421 | 72 | |
6cdfb6e6 RS |
73 | /* Event queue */ |
74 | #define EVENT_QUEUE_SIZE 50 | |
75 | static INPUT_RECORD event_queue[EVENT_QUEUE_SIZE]; | |
76 | static INPUT_RECORD *queue_ptr = event_queue, *queue_end = event_queue; | |
77 | ||
78 | static int | |
79 | fill_queue (BOOL block) | |
80 | { | |
81 | BOOL rc; | |
82 | DWORD events_waiting; | |
83 | ||
84 | if (queue_ptr < queue_end) | |
85 | return queue_end-queue_ptr; | |
86 | ||
87 | if (!block) | |
88 | { | |
89 | /* Check to see if there are some events to read before we try | |
90 | because we can't block. */ | |
91 | if (!GetNumberOfConsoleInputEvents (keyboard_handle, &events_waiting)) | |
92 | return -1; | |
93 | if (events_waiting == 0) | |
94 | return 0; | |
95 | } | |
96 | ||
97 | rc = ReadConsoleInput (keyboard_handle, event_queue, EVENT_QUEUE_SIZE, | |
98 | &events_waiting); | |
99 | if (!rc) | |
100 | return -1; | |
101 | queue_ptr = event_queue; | |
102 | queue_end = event_queue + events_waiting; | |
103 | return (int) events_waiting; | |
104 | } | |
105 | ||
106 | /* In a generic, multi-frame world this should take a console handle | |
107 | and return the frame for it | |
108 | ||
109 | Right now, there's only one frame so return it. */ | |
110 | static FRAME_PTR | |
111 | get_frame (void) | |
112 | { | |
113 | return selected_frame; | |
114 | } | |
115 | ||
b02466e8 KH |
116 | /* Translate console modifiers to emacs modifiers. |
117 | German keyboard support (Kai Morgan Zeise 2/18/95). */ | |
407c1745 | 118 | int |
59131421 | 119 | w32_kbd_mods_to_emacs (DWORD mods, WORD key) |
6cdfb6e6 | 120 | { |
b02466e8 KH |
121 | int retval = 0; |
122 | ||
c0f1b02e | 123 | /* If we recognize right-alt and left-ctrl as AltGr, and it has been |
29a2c30f | 124 | pressed, first remove those modifiers. */ |
c0f1b02e GV |
125 | if (!NILP (Vw32_recognize_altgr) |
126 | && (mods & (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) | |
b02466e8 KH |
127 | == (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) |
128 | mods &= ~ (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED); | |
129 | ||
130 | if (mods & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED)) | |
fbd6baed | 131 | retval = ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier); |
b02466e8 KH |
132 | |
133 | if (mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
134 | { | |
135 | retval |= ctrl_modifier; | |
136 | if ((mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
137 | == (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
138 | retval |= meta_modifier; | |
139 | } | |
140 | ||
29a2c30f GV |
141 | if (mods & LEFT_WIN_PRESSED) |
142 | retval |= w32_key_to_modifier (VK_LWIN); | |
143 | if (mods & RIGHT_WIN_PRESSED) | |
144 | retval |= w32_key_to_modifier (VK_RWIN); | |
145 | if (mods & APPS_PRESSED) | |
146 | retval |= w32_key_to_modifier (VK_APPS); | |
147 | if (mods & SCROLLLOCK_ON) | |
148 | retval |= w32_key_to_modifier (VK_SCROLL); | |
149 | ||
59131421 GV |
150 | /* Just in case someone wanted the original behaviour, make it |
151 | optional by setting w32-capslock-is-shiftlock to t. */ | |
29a2c30f GV |
152 | if (NILP (Vw32_capslock_is_shiftlock) |
153 | /* Keys that should _not_ be affected by CapsLock. */ | |
154 | && ( (key == VK_BACK) | |
155 | || (key == VK_TAB) | |
156 | || (key == VK_CLEAR) | |
157 | || (key == VK_RETURN) | |
158 | || (key == VK_ESCAPE) | |
159 | || ((key >= VK_SPACE) && (key <= VK_HELP)) | |
160 | || ((key >= VK_NUMPAD0) && (key <= VK_F24)) | |
161 | || ((key >= VK_NUMPAD_CLEAR) && (key <= VK_NUMPAD_DELETE)) | |
162 | )) | |
59131421 | 163 | { |
29a2c30f GV |
164 | /* Only consider shift state. */ |
165 | if ((mods & SHIFT_PRESSED) != 0) | |
59131421 GV |
166 | retval |= shift_modifier; |
167 | } | |
168 | else | |
169 | { | |
29a2c30f GV |
170 | /* Ignore CapsLock state if not enabled. */ |
171 | if (NILP (Vw32_enable_caps_lock)) | |
172 | mods &= ~CAPSLOCK_ON; | |
173 | if ((mods & (SHIFT_PRESSED | CAPSLOCK_ON)) != 0) | |
174 | retval |= shift_modifier; | |
59131421 | 175 | } |
b02466e8 KH |
176 | |
177 | return retval; | |
178 | } | |
179 | ||
29a2c30f GV |
180 | #if 0 |
181 | /* Return nonzero if the virtual key is a dead key. */ | |
182 | static int | |
183 | is_dead_key (int wparam) | |
184 | { | |
185 | unsigned int code = MapVirtualKey (wparam, 2); | |
186 | ||
187 | /* Windows 95 returns 0x8000, NT returns 0x80000000. */ | |
188 | return (code & 0x80008000) ? 1 : 0; | |
189 | } | |
190 | #endif | |
191 | ||
daf38066 | 192 | /* The return code indicates key code size. */ |
c0386d7e | 193 | int |
fbd6baed | 194 | w32_kbd_patch_key (KEY_EVENT_RECORD *event) |
b02466e8 KH |
195 | { |
196 | unsigned int key_code = event->wVirtualKeyCode; | |
197 | unsigned int mods = event->dwControlKeyState; | |
daf38066 GV |
198 | BYTE keystate[256]; |
199 | static BYTE ansi_code[4]; | |
407c1745 | 200 | static int isdead = 0; |
daf38066 GV |
201 | |
202 | if (isdead == 2) | |
203 | { | |
204 | event->uChar.AsciiChar = ansi_code[2]; | |
205 | isdead = 0; | |
206 | return 1; | |
b02466e8 | 207 | } |
daf38066 GV |
208 | if (event->uChar.AsciiChar != 0) |
209 | return 1; | |
c0386d7e | 210 | |
daf38066 | 211 | memset (keystate, 0, sizeof (keystate)); |
29a2c30f | 212 | keystate[key_code] = 0x80; |
daf38066 GV |
213 | if (mods & SHIFT_PRESSED) |
214 | keystate[VK_SHIFT] = 0x80; | |
215 | if (mods & CAPSLOCK_ON) | |
216 | keystate[VK_CAPITAL] = 1; | |
c0f1b02e GV |
217 | /* If we recognize right-alt and left-ctrl as AltGr, set the key |
218 | states accordingly before invoking ToAscii. */ | |
219 | if (!NILP (Vw32_recognize_altgr) | |
220 | && (mods & LEFT_CTRL_PRESSED) && (mods & RIGHT_ALT_PRESSED)) | |
c0386d7e GV |
221 | { |
222 | keystate[VK_CONTROL] = 0x80; | |
223 | keystate[VK_LCONTROL] = 0x80; | |
224 | keystate[VK_MENU] = 0x80; | |
225 | keystate[VK_RMENU] = 0x80; | |
226 | } | |
227 | ||
29a2c30f GV |
228 | #if 0 |
229 | /* Because of an OS bug, ToAscii corrupts the stack when called to | |
230 | convert a dead key in console mode on NT4. Unfortunately, trying | |
231 | to check for dead keys using MapVirtualKey doesn't work either - | |
232 | these functions apparently use internal information about keyboard | |
233 | layout which doesn't get properly updated in console programs when | |
234 | changing layout (though apparently it gets partly updated, | |
235 | otherwise ToAscii wouldn't crash). */ | |
236 | if (is_dead_key (event->wVirtualKeyCode)) | |
237 | return 0; | |
238 | #endif | |
239 | ||
240 | /* On NT, call ToUnicode instead and then convert to the current | |
241 | locale's default codepage. */ | |
242 | if (os_subtype == OS_NT) | |
243 | { | |
244 | WCHAR buf[128]; | |
245 | ||
246 | isdead = ToUnicode (event->wVirtualKeyCode, event->wVirtualScanCode, | |
247 | keystate, buf, 128, 0); | |
248 | if (isdead > 0) | |
249 | { | |
250 | char cp[20]; | |
251 | int cpId; | |
252 | ||
253 | GetLocaleInfo (GetThreadLocale (), | |
254 | LOCALE_IDEFAULTANSICODEPAGE, cp, 20); | |
255 | cpId = atoi (cp); | |
256 | isdead = WideCharToMultiByte (cpId, 0, buf, isdead, | |
257 | ansi_code, 4, NULL, NULL); | |
258 | } | |
259 | else | |
260 | isdead = 0; | |
261 | } | |
262 | else | |
263 | { | |
264 | isdead = ToAscii (event->wVirtualKeyCode, event->wVirtualScanCode, | |
265 | keystate, (LPWORD) ansi_code, 0); | |
266 | } | |
267 | ||
daf38066 GV |
268 | if (isdead == 0) |
269 | return 0; | |
270 | event->uChar.AsciiChar = ansi_code[0]; | |
271 | return isdead; | |
6cdfb6e6 | 272 | } |
407c1745 | 273 | |
6cdfb6e6 | 274 | |
29a2c30f | 275 | extern char *lispy_function_keys[]; |
6cdfb6e6 | 276 | |
9ddef9c4 GV |
277 | static int faked_key = 0; |
278 | ||
daf38066 GV |
279 | /* return code -1 means that event_queue_ptr won't be incremented. |
280 | In other word, this event makes two key codes. (by himi) */ | |
c0386d7e | 281 | int |
59131421 | 282 | key_event (KEY_EVENT_RECORD *event, struct input_event *emacs_ev, int *isdead) |
6cdfb6e6 | 283 | { |
29a2c30f GV |
284 | static int mod_key_state = 0; |
285 | int wParam; | |
59131421 GV |
286 | |
287 | *isdead = 0; | |
29a2c30f | 288 | |
6cdfb6e6 | 289 | /* Skip key-up events. */ |
407c1745 | 290 | if (!event->bKeyDown) |
6cdfb6e6 | 291 | { |
29a2c30f GV |
292 | switch (event->wVirtualKeyCode) |
293 | { | |
294 | case VK_LWIN: | |
295 | mod_key_state &= ~LEFT_WIN_PRESSED; | |
296 | break; | |
297 | case VK_RWIN: | |
298 | mod_key_state &= ~RIGHT_WIN_PRESSED; | |
299 | break; | |
300 | case VK_APPS: | |
301 | mod_key_state &= ~APPS_PRESSED; | |
302 | break; | |
303 | } | |
6cdfb6e6 RS |
304 | return 0; |
305 | } | |
b02466e8 | 306 | |
29a2c30f GV |
307 | /* Ignore keystrokes we fake ourself; see below. */ |
308 | if (faked_key == event->wVirtualKeyCode) | |
6cdfb6e6 | 309 | { |
29a2c30f | 310 | faked_key = 0; |
6cdfb6e6 RS |
311 | return 0; |
312 | } | |
29a2c30f GV |
313 | |
314 | /* To make it easier to debug this code, ignore modifier keys! */ | |
315 | switch (event->wVirtualKeyCode) | |
6cdfb6e6 | 316 | { |
29a2c30f GV |
317 | case VK_LWIN: |
318 | if (NILP (Vw32_pass_lwindow_to_system)) | |
319 | { | |
320 | /* Prevent system from acting on keyup (which opens the Start | |
321 | menu if no other key was pressed) by simulating a press of | |
322 | Space which we will ignore. */ | |
323 | if ((mod_key_state & LEFT_WIN_PRESSED) == 0) | |
324 | { | |
9ddef9c4 GV |
325 | if (NUMBERP (Vw32_phantom_key_code)) |
326 | faked_key = XUINT (Vw32_phantom_key_code) & 255; | |
327 | else | |
328 | faked_key = VK_SPACE; | |
329 | keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0); | |
29a2c30f GV |
330 | } |
331 | } | |
332 | mod_key_state |= LEFT_WIN_PRESSED; | |
333 | if (!NILP (Vw32_lwindow_modifier)) | |
daf38066 | 334 | return 0; |
29a2c30f GV |
335 | break; |
336 | case VK_RWIN: | |
337 | if (NILP (Vw32_pass_rwindow_to_system)) | |
338 | { | |
339 | if ((mod_key_state & RIGHT_WIN_PRESSED) == 0) | |
340 | { | |
9ddef9c4 GV |
341 | if (NUMBERP (Vw32_phantom_key_code)) |
342 | faked_key = XUINT (Vw32_phantom_key_code) & 255; | |
343 | else | |
344 | faked_key = VK_SPACE; | |
345 | keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0); | |
29a2c30f GV |
346 | } |
347 | } | |
348 | mod_key_state |= RIGHT_WIN_PRESSED; | |
349 | if (!NILP (Vw32_rwindow_modifier)) | |
350 | return 0; | |
351 | break; | |
352 | case VK_APPS: | |
353 | mod_key_state |= APPS_PRESSED; | |
354 | if (!NILP (Vw32_apps_modifier)) | |
355 | return 0; | |
356 | break; | |
357 | case VK_CAPITAL: | |
358 | /* Decide whether to treat as modifier or function key. */ | |
359 | if (NILP (Vw32_enable_caps_lock)) | |
360 | goto disable_lock_key; | |
361 | return 0; | |
362 | case VK_NUMLOCK: | |
363 | /* Decide whether to treat as modifier or function key. */ | |
364 | if (NILP (Vw32_enable_num_lock)) | |
365 | goto disable_lock_key; | |
366 | return 0; | |
367 | case VK_SCROLL: | |
368 | /* Decide whether to treat as modifier or function key. */ | |
369 | if (NILP (Vw32_scroll_lock_modifier)) | |
370 | goto disable_lock_key; | |
371 | return 0; | |
372 | disable_lock_key: | |
373 | /* Ensure the appropriate lock key state is off (and the | |
374 | indicator light as well). */ | |
375 | wParam = event->wVirtualKeyCode; | |
376 | if (GetAsyncKeyState (wParam) & 0x8000) | |
377 | { | |
378 | /* Fake another press of the relevant key. Apparently, this | |
379 | really is the only way to turn off the indicator. */ | |
380 | faked_key = wParam; | |
381 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
382 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
383 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
384 | KEYEVENTF_EXTENDEDKEY | 0, 0); | |
385 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
386 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
387 | } | |
388 | break; | |
389 | case VK_MENU: | |
390 | case VK_CONTROL: | |
391 | case VK_SHIFT: | |
392 | return 0; | |
9ddef9c4 GV |
393 | case VK_CANCEL: |
394 | /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL, | |
395 | which is confusing for purposes of key binding; convert | |
396 | VK_CANCEL events into VK_PAUSE events. */ | |
397 | event->wVirtualKeyCode = VK_PAUSE; | |
398 | break; | |
399 | case VK_PAUSE: | |
400 | /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing | |
401 | for purposes of key binding; convert these back into | |
402 | VK_NUMLOCK events, at least when we want to see NumLock key | |
403 | presses. (Note that there is never any possibility that | |
404 | VK_PAUSE with Ctrl really is C-Pause as per above.) */ | |
405 | if (NILP (Vw32_enable_num_lock) | |
406 | && (event->dwControlKeyState | |
407 | & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) != 0) | |
408 | event->wVirtualKeyCode = VK_NUMLOCK; | |
409 | break; | |
6cdfb6e6 | 410 | } |
29a2c30f GV |
411 | |
412 | /* Recognize state of Windows and Apps keys. */ | |
413 | event->dwControlKeyState |= mod_key_state; | |
414 | ||
415 | /* Distinguish numeric keypad keys from extended keys. */ | |
416 | event->wVirtualKeyCode = | |
417 | map_keypad_keys (event->wVirtualKeyCode, | |
418 | (event->dwControlKeyState & ENHANCED_KEY)); | |
419 | ||
420 | if (lispy_function_keys[event->wVirtualKeyCode] == 0) | |
daf38066 | 421 | { |
29a2c30f GV |
422 | emacs_ev->kind = ascii_keystroke; |
423 | ||
424 | if (!NILP (Vw32_recognize_altgr) | |
425 | && (event->dwControlKeyState & LEFT_CTRL_PRESSED) | |
426 | && (event->dwControlKeyState & RIGHT_ALT_PRESSED)) | |
daf38066 | 427 | { |
29a2c30f GV |
428 | /* Don't try to interpret AltGr key chords; ToAscii seems not |
429 | to process them correctly. */ | |
daf38066 | 430 | } |
29a2c30f GV |
431 | /* Handle key chords including any modifiers other than shift |
432 | directly, in order to preserve as much modifier information as | |
433 | possible. */ | |
434 | else if (event->dwControlKeyState | |
435 | & ( RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED | |
436 | | RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED | |
437 | | (!NILP (Vw32_lwindow_modifier) ? LEFT_WIN_PRESSED : 0) | |
438 | | (!NILP (Vw32_rwindow_modifier) ? RIGHT_WIN_PRESSED : 0) | |
439 | | (!NILP (Vw32_apps_modifier) ? APPS_PRESSED : 0) | |
440 | | (!NILP (Vw32_scroll_lock_modifier) ? SCROLLLOCK_ON : 0))) | |
441 | { | |
442 | /* Don't translate modified alphabetic keystrokes, so the user | |
443 | doesn't need to constantly switch layout to type control or | |
444 | meta keystrokes when the normal layout translates | |
445 | alphabetic characters to non-ascii characters. */ | |
446 | if ('A' <= event->wVirtualKeyCode && event->wVirtualKeyCode <= 'Z') | |
447 | { | |
448 | event->uChar.AsciiChar = event->wVirtualKeyCode; | |
449 | if ((event->dwControlKeyState & SHIFT_PRESSED) == 0) | |
450 | event->uChar.AsciiChar += ('a' - 'A'); | |
451 | } | |
452 | /* Try to handle unrecognized keystrokes by determining the | |
453 | base character (ie. translating the base key plus shift | |
454 | modifier). */ | |
455 | else if (event->uChar.AsciiChar == 0) | |
456 | w32_kbd_patch_key (event); | |
457 | } | |
458 | if (event->uChar.AsciiChar == 0) | |
daf38066 | 459 | return 0; |
29a2c30f | 460 | XSETINT (emacs_ev->code, event->uChar.AsciiChar); |
daf38066 | 461 | } |
6cdfb6e6 RS |
462 | else |
463 | { | |
6cdfb6e6 | 464 | emacs_ev->kind = non_ascii_keystroke; |
407c1745 | 465 | XSETINT (emacs_ev->code, event->wVirtualKeyCode); |
6cdfb6e6 | 466 | } |
29a2c30f | 467 | |
b02466e8 | 468 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
59131421 GV |
469 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, |
470 | event->wVirtualKeyCode); | |
6cdfb6e6 RS |
471 | emacs_ev->timestamp = GetTickCount (); |
472 | return 1; | |
473 | } | |
474 | ||
9ddef9c4 GV |
475 | int |
476 | w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state) | |
477 | { | |
478 | int cur_state = (GetKeyState (vk_code) & 1); | |
479 | ||
480 | if (NILP (new_state) | |
481 | || (NUMBERP (new_state) | |
482 | && (XUINT (new_state)) & 1 != cur_state)) | |
483 | { | |
484 | faked_key = vk_code; | |
485 | ||
486 | keybd_event ((BYTE) vk_code, | |
487 | (BYTE) MapVirtualKey (vk_code, 0), | |
488 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
489 | keybd_event ((BYTE) vk_code, | |
490 | (BYTE) MapVirtualKey (vk_code, 0), | |
491 | KEYEVENTF_EXTENDEDKEY | 0, 0); | |
492 | keybd_event ((BYTE) vk_code, | |
493 | (BYTE) MapVirtualKey (vk_code, 0), | |
494 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
495 | cur_state = !cur_state; | |
496 | } | |
497 | ||
498 | return cur_state; | |
499 | } | |
500 | ||
6cdfb6e6 RS |
501 | /* Mouse position hook. */ |
502 | void | |
81e3e4fd | 503 | w32_console_mouse_position (FRAME_PTR *f, |
daf38066 | 504 | #ifndef MULE |
81e3e4fd | 505 | int insist, |
daf38066 | 506 | #endif |
81e3e4fd GV |
507 | Lisp_Object *bar_window, |
508 | enum scroll_bar_part *part, | |
509 | Lisp_Object *x, | |
510 | Lisp_Object *y, | |
511 | unsigned long *time) | |
6cdfb6e6 RS |
512 | { |
513 | BLOCK_INPUT; | |
407c1745 GV |
514 | |
515 | #ifndef MULE | |
b02466e8 | 516 | insist = insist; |
daf38066 | 517 | #endif |
b02466e8 | 518 | |
6cdfb6e6 RS |
519 | *f = get_frame (); |
520 | *bar_window = Qnil; | |
521 | *part = 0; | |
0e7078f5 | 522 | selected_frame->mouse_moved = 0; |
6cdfb6e6 RS |
523 | |
524 | *x = movement_pos.X; | |
525 | *y = movement_pos.Y; | |
526 | *time = movement_time; | |
527 | ||
528 | UNBLOCK_INPUT; | |
529 | } | |
530 | ||
531 | /* Remember mouse motion and notify emacs. */ | |
532 | static void | |
533 | mouse_moved_to (int x, int y) | |
534 | { | |
535 | /* If we're in the same place, ignore it */ | |
536 | if (x != movement_pos.X || y != movement_pos.Y) | |
537 | { | |
0e7078f5 | 538 | selected_frame->mouse_moved = 1; |
6cdfb6e6 RS |
539 | movement_pos.X = x; |
540 | movement_pos.Y = y; | |
541 | movement_time = GetTickCount (); | |
542 | } | |
543 | } | |
544 | ||
545 | /* Consoles return button bits in a strange order: | |
546 | least significant - Leftmost button | |
547 | next - Rightmost button | |
548 | next - Leftmost+1 | |
549 | next - Leftmost+2... | |
550 | ||
551 | Assume emacs likes three button mice, so | |
552 | Left == 0 | |
553 | Middle == 1 | |
554 | Right == 2 | |
555 | Others increase from there. */ | |
556 | ||
557 | static int emacs_button_translation[NUM_MOUSE_BUTTONS] = | |
558 | { | |
559 | 0, 2, 1, 3, 4, | |
560 | }; | |
561 | ||
562 | static int | |
563 | do_mouse_event (MOUSE_EVENT_RECORD *event, | |
564 | struct input_event *emacs_ev) | |
565 | { | |
566 | static DWORD button_state = 0; | |
567 | DWORD but_change, mask; | |
568 | int i; | |
569 | ||
570 | if (event->dwEventFlags == MOUSE_MOVED) | |
571 | { | |
572 | /* For movement events we just note that the mouse has moved | |
573 | so that emacs will generate drag events. */ | |
574 | mouse_moved_to (event->dwMousePosition.X, event->dwMousePosition.Y); | |
575 | return 0; | |
576 | } | |
577 | ||
578 | /* It looks like the console code sends us a mouse event with | |
579 | dwButtonState == 0 when a window is activated. Ignore this case. */ | |
580 | if (event->dwButtonState == button_state) | |
581 | return 0; | |
582 | ||
583 | emacs_ev->kind = mouse_click; | |
584 | ||
585 | /* Find out what button has changed state since the last button event. */ | |
586 | but_change = button_state ^ event->dwButtonState; | |
587 | mask = 1; | |
588 | for (i = 0; i < NUM_MOUSE_BUTTONS; i++, mask <<= 1) | |
589 | if (but_change & mask) | |
590 | { | |
9e539a3c | 591 | XSETINT (emacs_ev->code, emacs_button_translation[i]); |
6cdfb6e6 RS |
592 | break; |
593 | } | |
594 | ||
595 | /* If the changed button is out of emacs' range (highly unlikely) | |
596 | ignore this event. */ | |
597 | if (i == NUM_MOUSE_BUTTONS) | |
598 | return 0; | |
599 | ||
600 | button_state = event->dwButtonState; | |
601 | emacs_ev->timestamp = GetTickCount (); | |
59131421 | 602 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, 0) | |
6cdfb6e6 RS |
603 | ((event->dwButtonState & mask) ? down_modifier : up_modifier); |
604 | ||
9e539a3c KH |
605 | XSETFASTINT (emacs_ev->x, event->dwMousePosition.X); |
606 | XSETFASTINT (emacs_ev->y, event->dwMousePosition.Y); | |
daf38066 GV |
607 | /* for Mule 2.2 (Based on Emacs 19.28 */ |
608 | #ifdef MULE | |
609 | XSET (emacs_ev->frame_or_window, Lisp_Frame, get_frame ()); | |
610 | #else | |
b02466e8 | 611 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
daf38066 | 612 | #endif |
6cdfb6e6 RS |
613 | |
614 | return 1; | |
615 | } | |
616 | ||
617 | static void | |
618 | resize_event (WINDOW_BUFFER_SIZE_RECORD *event) | |
619 | { | |
620 | FRAME_PTR f = get_frame (); | |
621 | ||
622 | change_frame_size (f, event->dwSize.Y, event->dwSize.X, 0, 1); | |
623 | SET_FRAME_GARBAGED (f); | |
624 | } | |
625 | ||
b7b97897 AI |
626 | static void |
627 | maybe_generate_resize_event () | |
628 | { | |
629 | CONSOLE_SCREEN_BUFFER_INFO info; | |
630 | FRAME_PTR f = get_frame (); | |
631 | ||
632 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
633 | ||
634 | /* It is okay to call this unconditionally, since it will do nothing | |
635 | if the size hasn't actually changed. */ | |
636 | change_frame_size (f, | |
637 | 1 + info.srWindow.Bottom - info.srWindow.Top, | |
638 | 1 + info.srWindow.Right - info.srWindow.Left, | |
639 | 0, 0); | |
640 | } | |
641 | ||
6cdfb6e6 | 642 | int |
fbd6baed | 643 | w32_console_read_socket (int sd, struct input_event *bufp, int numchars, |
81e3e4fd | 644 | int expected) |
6cdfb6e6 RS |
645 | { |
646 | BOOL no_events = TRUE; | |
647 | int nev, ret = 0, add; | |
59131421 GV |
648 | int isdead; |
649 | ||
6cdfb6e6 RS |
650 | if (interrupt_input_blocked) |
651 | { | |
652 | interrupt_input_pending = 1; | |
653 | return -1; | |
654 | } | |
655 | ||
656 | interrupt_input_pending = 0; | |
657 | BLOCK_INPUT; | |
658 | ||
659 | for (;;) | |
660 | { | |
06c2c73d | 661 | nev = fill_queue (0); |
6cdfb6e6 RS |
662 | if (nev <= 0) |
663 | { | |
664 | /* If nev == -1, there was some kind of error | |
665 | If nev == 0 then waitp must be zero and no events were available | |
666 | so return. */ | |
667 | UNBLOCK_INPUT; | |
668 | return nev; | |
669 | } | |
670 | ||
671 | while (nev > 0 && numchars > 0) | |
672 | { | |
673 | switch (queue_ptr->EventType) | |
674 | { | |
675 | case KEY_EVENT: | |
59131421 | 676 | add = key_event (&queue_ptr->Event.KeyEvent, bufp, &isdead); |
daf38066 GV |
677 | if (add == -1) /* 95.7.25 by himi */ |
678 | { | |
679 | queue_ptr--; | |
680 | add = 1; | |
681 | } | |
6cdfb6e6 RS |
682 | bufp += add; |
683 | ret += add; | |
684 | numchars -= add; | |
685 | break; | |
686 | ||
687 | case MOUSE_EVENT: | |
688 | add = do_mouse_event (&queue_ptr->Event.MouseEvent, bufp); | |
689 | bufp += add; | |
690 | ret += add; | |
691 | numchars -= add; | |
692 | break; | |
693 | ||
694 | case WINDOW_BUFFER_SIZE_EVENT: | |
d44c074d AI |
695 | if (w32_use_full_screen_buffer) |
696 | resize_event (&queue_ptr->Event.WindowBufferSizeEvent); | |
6cdfb6e6 RS |
697 | break; |
698 | ||
699 | case MENU_EVENT: | |
700 | case FOCUS_EVENT: | |
701 | /* Internal event types, ignored. */ | |
702 | break; | |
703 | } | |
704 | ||
705 | queue_ptr++; | |
706 | nev--; | |
707 | } | |
708 | ||
709 | if (ret > 0 || expected == 0) | |
710 | break; | |
711 | } | |
b7b97897 AI |
712 | |
713 | /* We don't get told about changes in the window size (only the buffer | |
714 | size, which we no longer care about), so we have to check it | |
715 | periodically. */ | |
d44c074d AI |
716 | if (!w32_use_full_screen_buffer) |
717 | maybe_generate_resize_event (); | |
b7b97897 | 718 | |
6cdfb6e6 RS |
719 | UNBLOCK_INPUT; |
720 | return ret; | |
721 | } |