Commit | Line | Data |
---|---|---|
b46a6a83 | 1 | /* Input event support for Emacs on the Microsoft Windows API. |
acaf905b | 2 | Copyright (C) 1992-1993, 1995, 2001-2012 Free Software Foundation, Inc. |
6cdfb6e6 | 3 | |
3b7ad313 EN |
4 | This file is part of GNU Emacs. |
5 | ||
9ec0b715 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
3b7ad313 | 7 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
3b7ad313 EN |
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 | |
9ec0b715 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
6cdfb6e6 | 18 | |
9ec0b715 | 19 | /* |
6cdfb6e6 RS |
20 | Drew Bliss 01-Oct-93 |
21 | Adapted from ntkbd.c by Tim Fleehart | |
22 | */ | |
23 | ||
24 | ||
4838e624 | 25 | #include <config.h> |
6cdfb6e6 RS |
26 | #include <stdio.h> |
27 | #include <windows.h> | |
28 | ||
690e96a3 AI |
29 | #ifndef MOUSE_MOVED |
30 | #define MOUSE_MOVED 1 | |
31 | #endif | |
32 | ||
6cdfb6e6 | 33 | #include "lisp.h" |
690e96a3 | 34 | #include "keyboard.h" |
6cdfb6e6 | 35 | #include "frame.h" |
2165e881 | 36 | #include "dispextern.h" |
f12fdf02 | 37 | #include "window.h" |
6cdfb6e6 RS |
38 | #include "blockinput.h" |
39 | #include "termhooks.h" | |
42e3a361 | 40 | #include "termchar.h" |
29a2c30f GV |
41 | #include "w32heap.h" |
42 | #include "w32term.h" | |
01bd1b0d | 43 | #include "w32inevt.h" |
6cdfb6e6 | 44 | |
7684e57b | 45 | /* stdin, from w32console.c */ |
6cdfb6e6 RS |
46 | extern HANDLE keyboard_handle; |
47 | ||
6cdfb6e6 RS |
48 | /* Info for last mouse motion */ |
49 | static COORD movement_pos; | |
9fbd6841 | 50 | static Time movement_time; |
6cdfb6e6 | 51 | |
7684e57b | 52 | /* from w32fns.c */ |
29a2c30f | 53 | extern unsigned int map_keypad_keys (unsigned int, unsigned int); |
29a2c30f | 54 | extern unsigned int w32_key_to_modifier (int key); |
59131421 | 55 | |
6cdfb6e6 RS |
56 | /* Event queue */ |
57 | #define EVENT_QUEUE_SIZE 50 | |
58 | static INPUT_RECORD event_queue[EVENT_QUEUE_SIZE]; | |
59 | static INPUT_RECORD *queue_ptr = event_queue, *queue_end = event_queue; | |
60 | ||
7e233730 JR |
61 | /* Temporarily store lead byte of DBCS input sequences. */ |
62 | static char dbcs_lead = 0; | |
63 | ||
01bd1b0d EZ |
64 | static inline BOOL |
65 | w32_read_console_input (HANDLE h, INPUT_RECORD *rec, DWORD recsize, | |
66 | DWORD *waiting) | |
67 | { | |
68 | return (w32_console_unicode_input | |
69 | ? ReadConsoleInputW (h, rec, recsize, waiting) | |
70 | : ReadConsoleInputA (h, rec, recsize, waiting)); | |
71 | } | |
72 | ||
177c0ea7 | 73 | static int |
6cdfb6e6 RS |
74 | fill_queue (BOOL block) |
75 | { | |
76 | BOOL rc; | |
77 | DWORD events_waiting; | |
177c0ea7 | 78 | |
6cdfb6e6 RS |
79 | if (queue_ptr < queue_end) |
80 | return queue_end-queue_ptr; | |
177c0ea7 | 81 | |
6cdfb6e6 RS |
82 | if (!block) |
83 | { | |
84 | /* Check to see if there are some events to read before we try | |
85 | because we can't block. */ | |
86 | if (!GetNumberOfConsoleInputEvents (keyboard_handle, &events_waiting)) | |
87 | return -1; | |
88 | if (events_waiting == 0) | |
89 | return 0; | |
90 | } | |
177c0ea7 | 91 | |
01bd1b0d EZ |
92 | rc = w32_read_console_input (keyboard_handle, event_queue, EVENT_QUEUE_SIZE, |
93 | &events_waiting); | |
6cdfb6e6 RS |
94 | if (!rc) |
95 | return -1; | |
96 | queue_ptr = event_queue; | |
97 | queue_end = event_queue + events_waiting; | |
98 | return (int) events_waiting; | |
99 | } | |
100 | ||
101 | /* In a generic, multi-frame world this should take a console handle | |
102 | and return the frame for it | |
103 | ||
104 | Right now, there's only one frame so return it. */ | |
177c0ea7 | 105 | static FRAME_PTR |
6cdfb6e6 RS |
106 | get_frame (void) |
107 | { | |
4f4a5f69 | 108 | return SELECTED_FRAME (); |
6cdfb6e6 RS |
109 | } |
110 | ||
177c0ea7 | 111 | /* Translate console modifiers to emacs modifiers. |
b02466e8 | 112 | German keyboard support (Kai Morgan Zeise 2/18/95). */ |
407c1745 | 113 | int |
59131421 | 114 | w32_kbd_mods_to_emacs (DWORD mods, WORD key) |
6cdfb6e6 | 115 | { |
b02466e8 KH |
116 | int retval = 0; |
117 | ||
c0f1b02e | 118 | /* If we recognize right-alt and left-ctrl as AltGr, and it has been |
29a2c30f | 119 | pressed, first remove those modifiers. */ |
177c0ea7 JB |
120 | if (!NILP (Vw32_recognize_altgr) |
121 | && (mods & (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) | |
b02466e8 KH |
122 | == (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) |
123 | mods &= ~ (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED); | |
124 | ||
125 | if (mods & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED)) | |
fbd6baed | 126 | retval = ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier); |
177c0ea7 | 127 | |
b02466e8 KH |
128 | if (mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) |
129 | { | |
130 | retval |= ctrl_modifier; | |
177c0ea7 | 131 | if ((mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) |
b02466e8 KH |
132 | == (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) |
133 | retval |= meta_modifier; | |
134 | } | |
135 | ||
29a2c30f GV |
136 | if (mods & LEFT_WIN_PRESSED) |
137 | retval |= w32_key_to_modifier (VK_LWIN); | |
138 | if (mods & RIGHT_WIN_PRESSED) | |
139 | retval |= w32_key_to_modifier (VK_RWIN); | |
140 | if (mods & APPS_PRESSED) | |
141 | retval |= w32_key_to_modifier (VK_APPS); | |
142 | if (mods & SCROLLLOCK_ON) | |
143 | retval |= w32_key_to_modifier (VK_SCROLL); | |
144 | ||
fffa137c | 145 | /* Just in case someone wanted the original behavior, make it |
59131421 | 146 | optional by setting w32-capslock-is-shiftlock to t. */ |
29a2c30f GV |
147 | if (NILP (Vw32_capslock_is_shiftlock) |
148 | /* Keys that should _not_ be affected by CapsLock. */ | |
149 | && ( (key == VK_BACK) | |
150 | || (key == VK_TAB) | |
151 | || (key == VK_CLEAR) | |
152 | || (key == VK_RETURN) | |
153 | || (key == VK_ESCAPE) | |
154 | || ((key >= VK_SPACE) && (key <= VK_HELP)) | |
155 | || ((key >= VK_NUMPAD0) && (key <= VK_F24)) | |
156 | || ((key >= VK_NUMPAD_CLEAR) && (key <= VK_NUMPAD_DELETE)) | |
157 | )) | |
59131421 | 158 | { |
29a2c30f GV |
159 | /* Only consider shift state. */ |
160 | if ((mods & SHIFT_PRESSED) != 0) | |
59131421 GV |
161 | retval |= shift_modifier; |
162 | } | |
163 | else | |
164 | { | |
29a2c30f GV |
165 | /* Ignore CapsLock state if not enabled. */ |
166 | if (NILP (Vw32_enable_caps_lock)) | |
167 | mods &= ~CAPSLOCK_ON; | |
168 | if ((mods & (SHIFT_PRESSED | CAPSLOCK_ON)) != 0) | |
169 | retval |= shift_modifier; | |
59131421 | 170 | } |
b02466e8 KH |
171 | |
172 | return retval; | |
173 | } | |
174 | ||
29a2c30f GV |
175 | #if 0 |
176 | /* Return nonzero if the virtual key is a dead key. */ | |
177 | static int | |
178 | is_dead_key (int wparam) | |
179 | { | |
180 | unsigned int code = MapVirtualKey (wparam, 2); | |
181 | ||
182 | /* Windows 95 returns 0x8000, NT returns 0x80000000. */ | |
183 | return (code & 0x80008000) ? 1 : 0; | |
184 | } | |
185 | #endif | |
186 | ||
302fc036 EZ |
187 | /* The return code indicates key code size. cpID is the codepage to |
188 | use for translation to Unicode; -1 means use the current console | |
189 | input codepage. */ | |
c0386d7e | 190 | int |
302fc036 | 191 | w32_kbd_patch_key (KEY_EVENT_RECORD *event, int cpId) |
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 | } |
177c0ea7 | 205 | if (event->uChar.AsciiChar != 0) |
daf38066 | 206 | return 1; |
c0386d7e | 207 | |
daf38066 | 208 | memset (keystate, 0, sizeof (keystate)); |
29a2c30f | 209 | keystate[key_code] = 0x80; |
177c0ea7 | 210 | if (mods & SHIFT_PRESSED) |
daf38066 | 211 | keystate[VK_SHIFT] = 0x80; |
177c0ea7 | 212 | if (mods & CAPSLOCK_ON) |
daf38066 | 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 | |
01bd1b0d | 238 | console input codepage. */ |
29a2c30f GV |
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 | { | |
302fc036 EZ |
247 | /* When we are called from the GUI message processing code, |
248 | we are passed the current keyboard codepage, a positive | |
249 | number, to use below. */ | |
250 | if (cpId == -1) | |
251 | cpId = GetConsoleCP (); | |
29a2c30f | 252 | |
7e233730 | 253 | event->uChar.UnicodeChar = buf[isdead - 1]; |
7e233730 | 254 | isdead = WideCharToMultiByte (cpId, 0, buf, isdead, |
29a2c30f GV |
255 | ansi_code, 4, NULL, NULL); |
256 | } | |
257 | else | |
258 | isdead = 0; | |
259 | } | |
260 | else | |
261 | { | |
262 | isdead = ToAscii (event->wVirtualKeyCode, event->wVirtualScanCode, | |
263 | keystate, (LPWORD) ansi_code, 0); | |
264 | } | |
265 | ||
177c0ea7 | 266 | if (isdead == 0) |
daf38066 GV |
267 | return 0; |
268 | event->uChar.AsciiChar = ansi_code[0]; | |
269 | return isdead; | |
6cdfb6e6 | 270 | } |
407c1745 | 271 | |
6cdfb6e6 | 272 | |
9ddef9c4 GV |
273 | static int faked_key = 0; |
274 | ||
177c0ea7 | 275 | /* return code -1 means that event_queue_ptr won't be incremented. |
daf38066 | 276 | In other word, this event makes two key codes. (by himi) */ |
24f981c9 | 277 | static int |
59131421 | 278 | key_event (KEY_EVENT_RECORD *event, struct input_event *emacs_ev, int *isdead) |
6cdfb6e6 | 279 | { |
29a2c30f GV |
280 | static int mod_key_state = 0; |
281 | int wParam; | |
59131421 GV |
282 | |
283 | *isdead = 0; | |
29a2c30f | 284 | |
6cdfb6e6 | 285 | /* Skip key-up events. */ |
407c1745 | 286 | if (!event->bKeyDown) |
6cdfb6e6 | 287 | { |
29a2c30f GV |
288 | switch (event->wVirtualKeyCode) |
289 | { | |
290 | case VK_LWIN: | |
291 | mod_key_state &= ~LEFT_WIN_PRESSED; | |
292 | break; | |
293 | case VK_RWIN: | |
294 | mod_key_state &= ~RIGHT_WIN_PRESSED; | |
295 | break; | |
296 | case VK_APPS: | |
297 | mod_key_state &= ~APPS_PRESSED; | |
298 | break; | |
299 | } | |
6cdfb6e6 RS |
300 | return 0; |
301 | } | |
b02466e8 | 302 | |
29a2c30f GV |
303 | /* Ignore keystrokes we fake ourself; see below. */ |
304 | if (faked_key == event->wVirtualKeyCode) | |
6cdfb6e6 | 305 | { |
29a2c30f | 306 | faked_key = 0; |
6cdfb6e6 RS |
307 | return 0; |
308 | } | |
29a2c30f GV |
309 | |
310 | /* To make it easier to debug this code, ignore modifier keys! */ | |
311 | switch (event->wVirtualKeyCode) | |
6cdfb6e6 | 312 | { |
29a2c30f GV |
313 | case VK_LWIN: |
314 | if (NILP (Vw32_pass_lwindow_to_system)) | |
315 | { | |
316 | /* Prevent system from acting on keyup (which opens the Start | |
317 | menu if no other key was pressed) by simulating a press of | |
318 | Space which we will ignore. */ | |
319 | if ((mod_key_state & LEFT_WIN_PRESSED) == 0) | |
320 | { | |
9ddef9c4 GV |
321 | if (NUMBERP (Vw32_phantom_key_code)) |
322 | faked_key = XUINT (Vw32_phantom_key_code) & 255; | |
323 | else | |
324 | faked_key = VK_SPACE; | |
325 | keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0); | |
29a2c30f GV |
326 | } |
327 | } | |
328 | mod_key_state |= LEFT_WIN_PRESSED; | |
329 | if (!NILP (Vw32_lwindow_modifier)) | |
daf38066 | 330 | return 0; |
29a2c30f GV |
331 | break; |
332 | case VK_RWIN: | |
333 | if (NILP (Vw32_pass_rwindow_to_system)) | |
334 | { | |
335 | if ((mod_key_state & RIGHT_WIN_PRESSED) == 0) | |
336 | { | |
9ddef9c4 GV |
337 | if (NUMBERP (Vw32_phantom_key_code)) |
338 | faked_key = XUINT (Vw32_phantom_key_code) & 255; | |
339 | else | |
340 | faked_key = VK_SPACE; | |
341 | keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0); | |
29a2c30f GV |
342 | } |
343 | } | |
344 | mod_key_state |= RIGHT_WIN_PRESSED; | |
345 | if (!NILP (Vw32_rwindow_modifier)) | |
346 | return 0; | |
347 | break; | |
348 | case VK_APPS: | |
349 | mod_key_state |= APPS_PRESSED; | |
350 | if (!NILP (Vw32_apps_modifier)) | |
351 | return 0; | |
352 | break; | |
353 | case VK_CAPITAL: | |
354 | /* Decide whether to treat as modifier or function key. */ | |
355 | if (NILP (Vw32_enable_caps_lock)) | |
356 | goto disable_lock_key; | |
357 | return 0; | |
358 | case VK_NUMLOCK: | |
359 | /* Decide whether to treat as modifier or function key. */ | |
360 | if (NILP (Vw32_enable_num_lock)) | |
361 | goto disable_lock_key; | |
362 | return 0; | |
363 | case VK_SCROLL: | |
364 | /* Decide whether to treat as modifier or function key. */ | |
365 | if (NILP (Vw32_scroll_lock_modifier)) | |
366 | goto disable_lock_key; | |
367 | return 0; | |
368 | disable_lock_key: | |
369 | /* Ensure the appropriate lock key state is off (and the | |
370 | indicator light as well). */ | |
371 | wParam = event->wVirtualKeyCode; | |
372 | if (GetAsyncKeyState (wParam) & 0x8000) | |
373 | { | |
374 | /* Fake another press of the relevant key. Apparently, this | |
375 | really is the only way to turn off the indicator. */ | |
376 | faked_key = wParam; | |
377 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
378 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
379 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
380 | KEYEVENTF_EXTENDEDKEY | 0, 0); | |
381 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), | |
382 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
383 | } | |
384 | break; | |
385 | case VK_MENU: | |
386 | case VK_CONTROL: | |
387 | case VK_SHIFT: | |
388 | return 0; | |
9ddef9c4 GV |
389 | case VK_CANCEL: |
390 | /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL, | |
391 | which is confusing for purposes of key binding; convert | |
392 | VK_CANCEL events into VK_PAUSE events. */ | |
393 | event->wVirtualKeyCode = VK_PAUSE; | |
394 | break; | |
395 | case VK_PAUSE: | |
396 | /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing | |
397 | for purposes of key binding; convert these back into | |
398 | VK_NUMLOCK events, at least when we want to see NumLock key | |
399 | presses. (Note that there is never any possibility that | |
400 | VK_PAUSE with Ctrl really is C-Pause as per above.) */ | |
401 | if (NILP (Vw32_enable_num_lock) | |
402 | && (event->dwControlKeyState | |
403 | & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) != 0) | |
404 | event->wVirtualKeyCode = VK_NUMLOCK; | |
405 | break; | |
6cdfb6e6 | 406 | } |
29a2c30f GV |
407 | |
408 | /* Recognize state of Windows and Apps keys. */ | |
409 | event->dwControlKeyState |= mod_key_state; | |
410 | ||
411 | /* Distinguish numeric keypad keys from extended keys. */ | |
412 | event->wVirtualKeyCode = | |
413 | map_keypad_keys (event->wVirtualKeyCode, | |
414 | (event->dwControlKeyState & ENHANCED_KEY)); | |
415 | ||
416 | if (lispy_function_keys[event->wVirtualKeyCode] == 0) | |
daf38066 | 417 | { |
29a2c30f GV |
418 | if (!NILP (Vw32_recognize_altgr) |
419 | && (event->dwControlKeyState & LEFT_CTRL_PRESSED) | |
420 | && (event->dwControlKeyState & RIGHT_ALT_PRESSED)) | |
daf38066 | 421 | { |
29a2c30f GV |
422 | /* Don't try to interpret AltGr key chords; ToAscii seems not |
423 | to process them correctly. */ | |
daf38066 | 424 | } |
29a2c30f GV |
425 | /* Handle key chords including any modifiers other than shift |
426 | directly, in order to preserve as much modifier information as | |
427 | possible. */ | |
428 | else if (event->dwControlKeyState | |
429 | & ( RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED | |
430 | | RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED | |
431 | | (!NILP (Vw32_lwindow_modifier) ? LEFT_WIN_PRESSED : 0) | |
432 | | (!NILP (Vw32_rwindow_modifier) ? RIGHT_WIN_PRESSED : 0) | |
433 | | (!NILP (Vw32_apps_modifier) ? APPS_PRESSED : 0) | |
434 | | (!NILP (Vw32_scroll_lock_modifier) ? SCROLLLOCK_ON : 0))) | |
435 | { | |
436 | /* Don't translate modified alphabetic keystrokes, so the user | |
437 | doesn't need to constantly switch layout to type control or | |
438 | meta keystrokes when the normal layout translates | |
439 | alphabetic characters to non-ascii characters. */ | |
440 | if ('A' <= event->wVirtualKeyCode && event->wVirtualKeyCode <= 'Z') | |
441 | { | |
442 | event->uChar.AsciiChar = event->wVirtualKeyCode; | |
443 | if ((event->dwControlKeyState & SHIFT_PRESSED) == 0) | |
444 | event->uChar.AsciiChar += ('a' - 'A'); | |
445 | } | |
446 | /* Try to handle unrecognized keystrokes by determining the | |
447 | base character (ie. translating the base key plus shift | |
448 | modifier). */ | |
449 | else if (event->uChar.AsciiChar == 0) | |
302fc036 | 450 | w32_kbd_patch_key (event, -1); |
29a2c30f | 451 | } |
7e233730 | 452 | |
29a2c30f | 453 | if (event->uChar.AsciiChar == 0) |
7e233730 JR |
454 | { |
455 | emacs_ev->kind = NO_EVENT; | |
456 | return 0; | |
457 | } | |
af93af83 | 458 | else if (event->uChar.AsciiChar > 0) |
7e233730 | 459 | { |
01bd1b0d | 460 | /* Pure ASCII characters < 128. */ |
7e233730 JR |
461 | emacs_ev->kind = ASCII_KEYSTROKE_EVENT; |
462 | emacs_ev->code = event->uChar.AsciiChar; | |
463 | } | |
01bd1b0d EZ |
464 | else if (event->uChar.UnicodeChar > 0 |
465 | && w32_console_unicode_input) | |
7e233730 | 466 | { |
01bd1b0d EZ |
467 | /* Unicode codepoint; only valid if we are using Unicode |
468 | console input mode. */ | |
7e233730 JR |
469 | emacs_ev->kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT; |
470 | emacs_ev->code = event->uChar.UnicodeChar; | |
471 | } | |
472 | else | |
473 | { | |
01bd1b0d EZ |
474 | /* Fallback handling of non-ASCII characters for non-Unicode |
475 | versions of Windows, and for non-Unicode input on NT | |
476 | family of Windows. Only characters in the current | |
477 | console codepage are supported by this fallback. */ | |
7e233730 JR |
478 | wchar_t code; |
479 | char dbcs[2]; | |
7e233730 JR |
480 | int cpId; |
481 | ||
01bd1b0d EZ |
482 | /* Get the current console input codepage to interpret this |
483 | key with. Note that the system defaults for the OEM | |
484 | codepage could have been changed by calling SetConsoleCP | |
485 | or w32-set-console-codepage, so using GetLocaleInfo to | |
486 | get LOCALE_IDEFAULTCODEPAGE is not TRT here. */ | |
487 | cpId = GetConsoleCP (); | |
7e233730 JR |
488 | |
489 | dbcs[0] = dbcs_lead; | |
490 | dbcs[1] = event->uChar.AsciiChar; | |
491 | if (dbcs_lead) | |
492 | { | |
493 | dbcs_lead = 0; | |
494 | if (!MultiByteToWideChar (cpId, 0, dbcs, 2, &code, 1)) | |
495 | { | |
496 | /* Garbage */ | |
497 | DebPrint (("Invalid DBCS sequence: %d %d\n", | |
498 | dbcs[0], dbcs[1])); | |
dd5de7c6 | 499 | emacs_ev->kind = NO_EVENT; |
7e233730 JR |
500 | } |
501 | } | |
502 | else if (IsDBCSLeadByteEx (cpId, dbcs[1])) | |
503 | { | |
504 | dbcs_lead = dbcs[1]; | |
dd5de7c6 | 505 | emacs_ev->kind = NO_EVENT; |
7e233730 JR |
506 | } |
507 | else | |
508 | { | |
509 | if (!MultiByteToWideChar (cpId, 0, &dbcs[1], 1, &code, 1)) | |
510 | { | |
511 | /* Garbage */ | |
512 | DebPrint (("Invalid character: %d\n", dbcs[1])); | |
dd5de7c6 | 513 | emacs_ev->kind = NO_EVENT; |
7e233730 JR |
514 | } |
515 | } | |
516 | emacs_ev->kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT; | |
517 | emacs_ev->code = code; | |
518 | } | |
daf38066 | 519 | } |
6cdfb6e6 RS |
520 | else |
521 | { | |
01bd1b0d | 522 | /* Function keys and other non-character keys. */ |
e43bd4f5 | 523 | emacs_ev->kind = NON_ASCII_KEYSTROKE_EVENT; |
e3ec1dce | 524 | emacs_ev->code = event->wVirtualKeyCode; |
6cdfb6e6 | 525 | } |
29a2c30f | 526 | |
b02466e8 | 527 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
59131421 GV |
528 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, |
529 | event->wVirtualKeyCode); | |
6cdfb6e6 RS |
530 | emacs_ev->timestamp = GetTickCount (); |
531 | return 1; | |
532 | } | |
533 | ||
9ddef9c4 GV |
534 | int |
535 | w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state) | |
536 | { | |
537 | int cur_state = (GetKeyState (vk_code) & 1); | |
538 | ||
539 | if (NILP (new_state) | |
540 | || (NUMBERP (new_state) | |
a1bcc85a | 541 | && ((XUINT (new_state)) & 1) != cur_state)) |
9ddef9c4 GV |
542 | { |
543 | faked_key = vk_code; | |
544 | ||
545 | keybd_event ((BYTE) vk_code, | |
546 | (BYTE) MapVirtualKey (vk_code, 0), | |
547 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
548 | keybd_event ((BYTE) vk_code, | |
549 | (BYTE) MapVirtualKey (vk_code, 0), | |
550 | KEYEVENTF_EXTENDEDKEY | 0, 0); | |
551 | keybd_event ((BYTE) vk_code, | |
552 | (BYTE) MapVirtualKey (vk_code, 0), | |
553 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); | |
554 | cur_state = !cur_state; | |
555 | } | |
556 | ||
557 | return cur_state; | |
558 | } | |
559 | ||
6cdfb6e6 | 560 | /* Mouse position hook. */ |
177c0ea7 | 561 | void |
81e3e4fd | 562 | w32_console_mouse_position (FRAME_PTR *f, |
81e3e4fd | 563 | int insist, |
81e3e4fd GV |
564 | Lisp_Object *bar_window, |
565 | enum scroll_bar_part *part, | |
566 | Lisp_Object *x, | |
567 | Lisp_Object *y, | |
9fbd6841 | 568 | Time *time) |
6cdfb6e6 RS |
569 | { |
570 | BLOCK_INPUT; | |
407c1745 | 571 | |
b02466e8 KH |
572 | insist = insist; |
573 | ||
6cdfb6e6 RS |
574 | *f = get_frame (); |
575 | *bar_window = Qnil; | |
576 | *part = 0; | |
4f4a5f69 | 577 | SELECTED_FRAME ()->mouse_moved = 0; |
177c0ea7 | 578 | |
ed3751c8 JB |
579 | XSETINT (*x, movement_pos.X); |
580 | XSETINT (*y, movement_pos.Y); | |
6cdfb6e6 | 581 | *time = movement_time; |
177c0ea7 | 582 | |
6cdfb6e6 RS |
583 | UNBLOCK_INPUT; |
584 | } | |
585 | ||
42e3a361 | 586 | /* Remember mouse motion and notify emacs. */ |
177c0ea7 | 587 | static void |
6cdfb6e6 RS |
588 | mouse_moved_to (int x, int y) |
589 | { | |
eb3f6f01 | 590 | /* If we're in the same place, ignore it. */ |
6cdfb6e6 RS |
591 | if (x != movement_pos.X || y != movement_pos.Y) |
592 | { | |
42e3a361 | 593 | SELECTED_FRAME ()->mouse_moved = 1; |
6cdfb6e6 RS |
594 | movement_pos.X = x; |
595 | movement_pos.Y = y; | |
596 | movement_time = GetTickCount (); | |
597 | } | |
598 | } | |
599 | ||
600 | /* Consoles return button bits in a strange order: | |
601 | least significant - Leftmost button | |
602 | next - Rightmost button | |
603 | next - Leftmost+1 | |
604 | next - Leftmost+2... | |
605 | ||
606 | Assume emacs likes three button mice, so | |
607 | Left == 0 | |
608 | Middle == 1 | |
609 | Right == 2 | |
610 | Others increase from there. */ | |
611 | ||
1f2fca4b JR |
612 | #define NUM_TRANSLATED_MOUSE_BUTTONS 3 |
613 | static int emacs_button_translation[NUM_TRANSLATED_MOUSE_BUTTONS] = | |
6cdfb6e6 | 614 | { |
1f2fca4b | 615 | 0, 2, 1 |
6cdfb6e6 RS |
616 | }; |
617 | ||
177c0ea7 | 618 | static int |
6cdfb6e6 RS |
619 | do_mouse_event (MOUSE_EVENT_RECORD *event, |
620 | struct input_event *emacs_ev) | |
621 | { | |
622 | static DWORD button_state = 0; | |
f12fdf02 | 623 | static Lisp_Object last_mouse_window; |
6cdfb6e6 RS |
624 | DWORD but_change, mask; |
625 | int i; | |
177c0ea7 | 626 | |
6cdfb6e6 RS |
627 | if (event->dwEventFlags == MOUSE_MOVED) |
628 | { | |
42e3a361 EZ |
629 | FRAME_PTR f = SELECTED_FRAME (); |
630 | Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f); | |
f12fdf02 | 631 | int mx = event->dwMousePosition.X, my = event->dwMousePosition.Y; |
42e3a361 | 632 | |
f12fdf02 | 633 | mouse_moved_to (mx, my); |
42e3a361 EZ |
634 | |
635 | if (f->mouse_moved) | |
636 | { | |
637 | if (hlinfo->mouse_face_hidden) | |
638 | { | |
639 | hlinfo->mouse_face_hidden = 0; | |
640 | clear_mouse_face (hlinfo); | |
641 | } | |
642 | ||
f12fdf02 EZ |
643 | /* Generate SELECT_WINDOW_EVENTs when needed. */ |
644 | if (!NILP (Vmouse_autoselect_window)) | |
645 | { | |
646 | Lisp_Object mouse_window = window_from_coordinates (f, mx, my, | |
647 | 0, 0); | |
648 | /* A window will be selected only when it is not | |
649 | selected now, and the last mouse movement event was | |
650 | not in it. A minibuffer window will be selected iff | |
651 | it is active. */ | |
652 | if (WINDOWP (mouse_window) | |
653 | && !EQ (mouse_window, last_mouse_window) | |
654 | && !EQ (mouse_window, selected_window)) | |
655 | { | |
656 | struct input_event event; | |
657 | ||
658 | EVENT_INIT (event); | |
659 | event.kind = SELECT_WINDOW_EVENT; | |
660 | event.frame_or_window = mouse_window; | |
661 | event.arg = Qnil; | |
662 | event.timestamp = movement_time; | |
663 | kbd_buffer_store_event (&event); | |
664 | } | |
665 | last_mouse_window = mouse_window; | |
666 | } | |
667 | else | |
668 | last_mouse_window = Qnil; | |
c4aeb92a EZ |
669 | |
670 | previous_help_echo_string = help_echo_string; | |
671 | help_echo_string = help_echo_object = help_echo_window = Qnil; | |
672 | help_echo_pos = -1; | |
673 | note_mouse_highlight (f, mx, my); | |
674 | /* If the contents of the global variable help_echo has | |
675 | changed (inside note_mouse_highlight), generate a HELP_EVENT. */ | |
676 | if (!NILP (help_echo_string) || !NILP (previous_help_echo_string)) | |
677 | gen_help_event (help_echo_string, selected_frame, help_echo_window, | |
678 | help_echo_object, help_echo_pos); | |
42e3a361 | 679 | } |
6cdfb6e6 RS |
680 | return 0; |
681 | } | |
177c0ea7 | 682 | |
6cdfb6e6 RS |
683 | /* It looks like the console code sends us a mouse event with |
684 | dwButtonState == 0 when a window is activated. Ignore this case. */ | |
685 | if (event->dwButtonState == button_state) | |
686 | return 0; | |
177c0ea7 | 687 | |
e43bd4f5 | 688 | emacs_ev->kind = MOUSE_CLICK_EVENT; |
177c0ea7 | 689 | |
6cdfb6e6 RS |
690 | /* Find out what button has changed state since the last button event. */ |
691 | but_change = button_state ^ event->dwButtonState; | |
692 | mask = 1; | |
1f2fca4b | 693 | for (i = 0; mask; i++, mask <<= 1) |
6cdfb6e6 RS |
694 | if (but_change & mask) |
695 | { | |
1f2fca4b | 696 | if (i < NUM_TRANSLATED_MOUSE_BUTTONS) |
e3ec1dce | 697 | emacs_ev->code = emacs_button_translation[i]; |
1f2fca4b | 698 | else |
e3ec1dce | 699 | emacs_ev->code = i; |
6cdfb6e6 RS |
700 | break; |
701 | } | |
702 | ||
6cdfb6e6 RS |
703 | button_state = event->dwButtonState; |
704 | emacs_ev->timestamp = GetTickCount (); | |
59131421 | 705 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, 0) | |
6cdfb6e6 | 706 | ((event->dwButtonState & mask) ? down_modifier : up_modifier); |
177c0ea7 | 707 | |
9e539a3c KH |
708 | XSETFASTINT (emacs_ev->x, event->dwMousePosition.X); |
709 | XSETFASTINT (emacs_ev->y, event->dwMousePosition.Y); | |
daf38066 GV |
710 | /* for Mule 2.2 (Based on Emacs 19.28 */ |
711 | #ifdef MULE | |
712 | XSET (emacs_ev->frame_or_window, Lisp_Frame, get_frame ()); | |
713 | #else | |
b02466e8 | 714 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
daf38066 | 715 | #endif |
177c0ea7 | 716 | |
6cdfb6e6 RS |
717 | return 1; |
718 | } | |
719 | ||
177c0ea7 | 720 | static void |
6cdfb6e6 RS |
721 | resize_event (WINDOW_BUFFER_SIZE_RECORD *event) |
722 | { | |
723 | FRAME_PTR f = get_frame (); | |
177c0ea7 | 724 | |
8d59c5ed | 725 | change_frame_size (f, event->dwSize.Y, event->dwSize.X, 0, 1, 0); |
6cdfb6e6 RS |
726 | SET_FRAME_GARBAGED (f); |
727 | } | |
728 | ||
b7b97897 | 729 | static void |
b56ceb92 | 730 | maybe_generate_resize_event (void) |
b7b97897 AI |
731 | { |
732 | CONSOLE_SCREEN_BUFFER_INFO info; | |
733 | FRAME_PTR f = get_frame (); | |
734 | ||
735 | GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &info); | |
736 | ||
737 | /* It is okay to call this unconditionally, since it will do nothing | |
738 | if the size hasn't actually changed. */ | |
739 | change_frame_size (f, | |
740 | 1 + info.srWindow.Bottom - info.srWindow.Top, | |
741 | 1 + info.srWindow.Right - info.srWindow.Left, | |
8d59c5ed | 742 | 0, 0, 0); |
b7b97897 AI |
743 | } |
744 | ||
177c0ea7 | 745 | int |
9e511e9c JR |
746 | w32_console_read_socket (struct terminal *terminal, |
747 | int expected, | |
748 | struct input_event *hold_quit) | |
6cdfb6e6 | 749 | { |
6cdfb6e6 | 750 | int nev, ret = 0, add; |
59131421 GV |
751 | int isdead; |
752 | ||
6cdfb6e6 RS |
753 | if (interrupt_input_blocked) |
754 | { | |
755 | interrupt_input_pending = 1; | |
756 | return -1; | |
757 | } | |
177c0ea7 | 758 | |
6cdfb6e6 RS |
759 | interrupt_input_pending = 0; |
760 | BLOCK_INPUT; | |
177c0ea7 | 761 | |
6cdfb6e6 RS |
762 | for (;;) |
763 | { | |
06c2c73d | 764 | nev = fill_queue (0); |
6cdfb6e6 RS |
765 | if (nev <= 0) |
766 | { | |
767 | /* If nev == -1, there was some kind of error | |
768 | If nev == 0 then waitp must be zero and no events were available | |
769 | so return. */ | |
770 | UNBLOCK_INPUT; | |
771 | return nev; | |
772 | } | |
773 | ||
9cd31aaf | 774 | while (nev > 0) |
6cdfb6e6 | 775 | { |
9cd31aaf KS |
776 | struct input_event inev; |
777 | ||
778 | EVENT_INIT (inev); | |
779 | inev.kind = NO_EVENT; | |
780 | inev.arg = Qnil; | |
781 | ||
6cdfb6e6 RS |
782 | switch (queue_ptr->EventType) |
783 | { | |
784 | case KEY_EVENT: | |
9cd31aaf | 785 | add = key_event (&queue_ptr->Event.KeyEvent, &inev, &isdead); |
daf38066 | 786 | if (add == -1) /* 95.7.25 by himi */ |
177c0ea7 | 787 | { |
daf38066 GV |
788 | queue_ptr--; |
789 | add = 1; | |
790 | } | |
9cd31aaf KS |
791 | if (add) |
792 | kbd_buffer_store_event_hold (&inev, hold_quit); | |
6cdfb6e6 RS |
793 | break; |
794 | ||
795 | case MOUSE_EVENT: | |
9cd31aaf KS |
796 | add = do_mouse_event (&queue_ptr->Event.MouseEvent, &inev); |
797 | if (add) | |
798 | kbd_buffer_store_event_hold (&inev, hold_quit); | |
6cdfb6e6 RS |
799 | break; |
800 | ||
801 | case WINDOW_BUFFER_SIZE_EVENT: | |
d44c074d AI |
802 | if (w32_use_full_screen_buffer) |
803 | resize_event (&queue_ptr->Event.WindowBufferSizeEvent); | |
6cdfb6e6 | 804 | break; |
177c0ea7 | 805 | |
6cdfb6e6 RS |
806 | case MENU_EVENT: |
807 | case FOCUS_EVENT: | |
808 | /* Internal event types, ignored. */ | |
809 | break; | |
810 | } | |
177c0ea7 | 811 | |
6cdfb6e6 RS |
812 | queue_ptr++; |
813 | nev--; | |
814 | } | |
815 | ||
816 | if (ret > 0 || expected == 0) | |
817 | break; | |
818 | } | |
b7b97897 AI |
819 | |
820 | /* We don't get told about changes in the window size (only the buffer | |
821 | size, which we no longer care about), so we have to check it | |
822 | periodically. */ | |
d44c074d AI |
823 | if (!w32_use_full_screen_buffer) |
824 | maybe_generate_resize_event (); | |
b7b97897 | 825 | |
6cdfb6e6 RS |
826 | UNBLOCK_INPUT; |
827 | return ret; | |
828 | } |