Commit | Line | Data |
---|---|---|
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" | |
36 | ||
37 | /* stdin, from ntterm */ | |
38 | extern HANDLE keyboard_handle; | |
39 | ||
6cdfb6e6 RS |
40 | /* Info for last mouse motion */ |
41 | static COORD movement_pos; | |
42 | static DWORD movement_time; | |
43 | ||
44 | /* from keyboard.c */ | |
45 | extern void reinvoke_input_signal (void); | |
46 | ||
47 | /* from dispnew.c */ | |
48 | extern int change_frame_size (FRAME_PTR, int, int, int, int); | |
49 | ||
5a6816da | 50 | /* from w32fns.c */ |
fbd6baed | 51 | extern Lisp_Object Vw32_alt_is_meta; |
5a6816da | 52 | |
59131421 GV |
53 | /* from w32term */ |
54 | extern Lisp_Object Vw32_capslock_is_shiftlock; | |
c0f1b02e | 55 | extern Lisp_Object Vw32_recognize_altgr; |
59131421 | 56 | |
6cdfb6e6 RS |
57 | /* Event queue */ |
58 | #define EVENT_QUEUE_SIZE 50 | |
59 | static INPUT_RECORD event_queue[EVENT_QUEUE_SIZE]; | |
60 | static INPUT_RECORD *queue_ptr = event_queue, *queue_end = event_queue; | |
61 | ||
62 | static int | |
63 | fill_queue (BOOL block) | |
64 | { | |
65 | BOOL rc; | |
66 | DWORD events_waiting; | |
67 | ||
68 | if (queue_ptr < queue_end) | |
69 | return queue_end-queue_ptr; | |
70 | ||
71 | if (!block) | |
72 | { | |
73 | /* Check to see if there are some events to read before we try | |
74 | because we can't block. */ | |
75 | if (!GetNumberOfConsoleInputEvents (keyboard_handle, &events_waiting)) | |
76 | return -1; | |
77 | if (events_waiting == 0) | |
78 | return 0; | |
79 | } | |
80 | ||
81 | rc = ReadConsoleInput (keyboard_handle, event_queue, EVENT_QUEUE_SIZE, | |
82 | &events_waiting); | |
83 | if (!rc) | |
84 | return -1; | |
85 | queue_ptr = event_queue; | |
86 | queue_end = event_queue + events_waiting; | |
87 | return (int) events_waiting; | |
88 | } | |
89 | ||
90 | /* In a generic, multi-frame world this should take a console handle | |
91 | and return the frame for it | |
92 | ||
93 | Right now, there's only one frame so return it. */ | |
94 | static FRAME_PTR | |
95 | get_frame (void) | |
96 | { | |
97 | return selected_frame; | |
98 | } | |
99 | ||
b02466e8 KH |
100 | /* Translate console modifiers to emacs modifiers. |
101 | German keyboard support (Kai Morgan Zeise 2/18/95). */ | |
407c1745 | 102 | int |
59131421 | 103 | w32_kbd_mods_to_emacs (DWORD mods, WORD key) |
6cdfb6e6 | 104 | { |
b02466e8 KH |
105 | int retval = 0; |
106 | ||
c0f1b02e GV |
107 | /* If we recognize right-alt and left-ctrl as AltGr, and it has been |
108 | pressed, remove the modifiers. */ | |
109 | if (!NILP (Vw32_recognize_altgr) | |
110 | && (mods & (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) | |
b02466e8 KH |
111 | == (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED)) |
112 | mods &= ~ (RIGHT_ALT_PRESSED | LEFT_CTRL_PRESSED); | |
113 | ||
114 | if (mods & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED)) | |
fbd6baed | 115 | retval = ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier); |
b02466e8 KH |
116 | |
117 | if (mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
118 | { | |
119 | retval |= ctrl_modifier; | |
120 | if ((mods & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
121 | == (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED)) | |
122 | retval |= meta_modifier; | |
123 | } | |
124 | ||
59131421 GV |
125 | /* Just in case someone wanted the original behaviour, make it |
126 | optional by setting w32-capslock-is-shiftlock to t. */ | |
c0f1b02e GV |
127 | if (NILP (Vw32_capslock_is_shiftlock) && |
128 | #if 1 | |
129 | ( (key == VK_BACK) || | |
130 | (key == VK_TAB) || | |
131 | (key == VK_CLEAR) || | |
132 | (key == VK_RETURN) || | |
133 | (key == VK_ESCAPE) || | |
134 | ( (key >= VK_SPACE) && (key <= VK_HELP)) || | |
135 | ( (key >= VK_NUMPAD0) && (key <= VK_F24)) | |
136 | ) | |
137 | #else | |
138 | /* Perhaps easier to say which keys we *do* always want affected | |
139 | by capslock. Not sure how this affects "alphabetic" keyboard | |
140 | input in non-English languages though - what virtual key codes | |
141 | are returned for accented letters, for instance? */ | |
142 | !( (key >= '0' && key <= '9') || (key >= 'A' && key <= 'Z') ) | |
143 | #endif | |
144 | ) | |
59131421 GV |
145 | { |
146 | if ( (mods & SHIFT_PRESSED) == SHIFT_PRESSED) | |
147 | retval |= shift_modifier; | |
148 | } | |
149 | else | |
150 | { | |
b02466e8 KH |
151 | if (((mods & (SHIFT_PRESSED | CAPSLOCK_ON)) == SHIFT_PRESSED) |
152 | || ((mods & (SHIFT_PRESSED | CAPSLOCK_ON)) == CAPSLOCK_ON)) | |
153 | retval |= shift_modifier; | |
59131421 | 154 | } |
b02466e8 KH |
155 | |
156 | return retval; | |
157 | } | |
158 | ||
daf38066 | 159 | /* The return code indicates key code size. */ |
c0386d7e | 160 | int |
fbd6baed | 161 | w32_kbd_patch_key (KEY_EVENT_RECORD *event) |
b02466e8 KH |
162 | { |
163 | unsigned int key_code = event->wVirtualKeyCode; | |
164 | unsigned int mods = event->dwControlKeyState; | |
daf38066 GV |
165 | BYTE keystate[256]; |
166 | static BYTE ansi_code[4]; | |
407c1745 | 167 | static int isdead = 0; |
daf38066 GV |
168 | |
169 | if (isdead == 2) | |
170 | { | |
171 | event->uChar.AsciiChar = ansi_code[2]; | |
172 | isdead = 0; | |
173 | return 1; | |
b02466e8 | 174 | } |
daf38066 GV |
175 | if (event->uChar.AsciiChar != 0) |
176 | return 1; | |
c0386d7e | 177 | |
daf38066 GV |
178 | memset (keystate, 0, sizeof (keystate)); |
179 | if (mods & SHIFT_PRESSED) | |
180 | keystate[VK_SHIFT] = 0x80; | |
181 | if (mods & CAPSLOCK_ON) | |
182 | keystate[VK_CAPITAL] = 1; | |
c0f1b02e GV |
183 | /* If we recognize right-alt and left-ctrl as AltGr, set the key |
184 | states accordingly before invoking ToAscii. */ | |
185 | if (!NILP (Vw32_recognize_altgr) | |
186 | && (mods & LEFT_CTRL_PRESSED) && (mods & RIGHT_ALT_PRESSED)) | |
c0386d7e GV |
187 | { |
188 | keystate[VK_CONTROL] = 0x80; | |
189 | keystate[VK_LCONTROL] = 0x80; | |
190 | keystate[VK_MENU] = 0x80; | |
191 | keystate[VK_RMENU] = 0x80; | |
192 | } | |
193 | ||
daf38066 GV |
194 | isdead = ToAscii (event->wVirtualKeyCode, event->wVirtualScanCode, |
195 | keystate, (LPWORD) ansi_code, 0); | |
196 | if (isdead == 0) | |
197 | return 0; | |
198 | event->uChar.AsciiChar = ansi_code[0]; | |
199 | return isdead; | |
6cdfb6e6 | 200 | } |
407c1745 | 201 | |
6cdfb6e6 RS |
202 | /* Map virtual key codes into: |
203 | -1 - Ignore this key | |
204 | -2 - ASCII char | |
205 | Other - Map non-ASCII keys into X keysyms so that they are looked up | |
206 | correctly in keyboard.c | |
207 | ||
208 | Return, escape and tab are mapped to ASCII rather than coming back | |
209 | as non-ASCII to be more compatible with old-style keyboard support. */ | |
210 | ||
211 | static int map_virt_key[256] = | |
212 | { | |
daf38066 GV |
213 | #ifdef MULE |
214 | -3, | |
215 | #else | |
6cdfb6e6 | 216 | -1, |
daf38066 | 217 | #endif |
6cdfb6e6 RS |
218 | -1, /* VK_LBUTTON */ |
219 | -1, /* VK_RBUTTON */ | |
220 | 0x69, /* VK_CANCEL */ | |
221 | -1, /* VK_MBUTTON */ | |
222 | -1, -1, -1, | |
223 | 8, /* VK_BACK */ | |
224 | -2, /* VK_TAB */ | |
225 | -1, -1, | |
226 | 11, /* VK_CLEAR */ | |
227 | -2, /* VK_RETURN */ | |
228 | -1, -1, | |
229 | -1, /* VK_SHIFT */ | |
230 | -1, /* VK_CONTROL */ | |
231 | -1, /* VK_MENU */ | |
232 | 0x13, /* VK_PAUSE */ | |
233 | -1, /* VK_CAPITAL */ | |
234 | -1, -1, -1, -1, -1, -1, | |
235 | -2, /* VK_ESCAPE */ | |
236 | -1, -1, -1, -1, | |
237 | -2, /* VK_SPACE */ | |
238 | 0x55, /* VK_PRIOR */ | |
239 | 0x56, /* VK_NEXT */ | |
240 | 0x57, /* VK_END */ | |
241 | 0x50, /* VK_HOME */ | |
242 | 0x51, /* VK_LEFT */ | |
243 | 0x52, /* VK_UP */ | |
244 | 0x53, /* VK_RIGHT */ | |
245 | 0x54, /* VK_DOWN */ | |
246 | 0x60, /* VK_SELECT */ | |
247 | 0x61, /* VK_PRINT */ | |
248 | 0x62, /* VK_EXECUTE */ | |
249 | -1, /* VK_SNAPSHOT */ | |
250 | 0x63, /* VK_INSERT */ | |
251 | 0xff, /* VK_DELETE */ | |
252 | 0x6a, /* VK_HELP */ | |
253 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, /* 0 - 9 */ | |
254 | -1, -1, -1, -1, -1, -1, -1, | |
255 | -2, -2, -2, -2, -2, -2, -2, -2, /* A - Z */ | |
256 | -2, -2, -2, -2, -2, -2, -2, -2, | |
257 | -2, -2, -2, -2, -2, -2, -2, -2, | |
258 | -2, -2, | |
259 | -1, -1, -1, -1, -1, | |
260 | 0xb0, /* VK_NUMPAD0 */ | |
261 | 0xb1, /* VK_NUMPAD1 */ | |
262 | 0xb2, /* VK_NUMPAD2 */ | |
263 | 0xb3, /* VK_NUMPAD3 */ | |
264 | 0xb4, /* VK_NUMPAD4 */ | |
265 | 0xb5, /* VK_NUMPAD5 */ | |
266 | 0xb6, /* VK_NUMPAD6 */ | |
267 | 0xb7, /* VK_NUMPAD7 */ | |
268 | 0xb8, /* VK_NUMPAD8 */ | |
269 | 0xb9, /* VK_NUMPAD9 */ | |
270 | 0xaa, /* VK_MULTIPLY */ | |
271 | 0xab, /* VK_ADD */ | |
272 | 0xac, /* VK_SEPARATOR */ | |
273 | 0xad, /* VK_SUBTRACT */ | |
274 | 0xae, /* VK_DECIMAL */ | |
275 | 0xaf, /* VK_DIVIDE */ | |
276 | 0xbe, /* VK_F1 */ | |
277 | 0xbf, /* VK_F2 */ | |
278 | 0xc0, /* VK_F3 */ | |
279 | 0xc1, /* VK_F4 */ | |
280 | 0xc2, /* VK_F5 */ | |
281 | 0xc3, /* VK_F6 */ | |
282 | 0xc4, /* VK_F7 */ | |
283 | 0xc5, /* VK_F8 */ | |
284 | 0xc6, /* VK_F9 */ | |
285 | 0xc7, /* VK_F10 */ | |
286 | 0xc8, /* VK_F11 */ | |
287 | 0xc9, /* VK_F12 */ | |
288 | 0xca, /* VK_F13 */ | |
289 | 0xcb, /* VK_F14 */ | |
290 | 0xcc, /* VK_F15 */ | |
291 | 0xcd, /* VK_F16 */ | |
292 | 0xce, /* VK_F17 */ | |
293 | 0xcf, /* VK_F18 */ | |
294 | 0xd0, /* VK_F19 */ | |
295 | 0xd1, /* VK_F20 */ | |
296 | 0xd2, /* VK_F21 */ | |
297 | 0xd3, /* VK_F22 */ | |
298 | 0xd4, /* VK_F23 */ | |
299 | 0xd5, /* VK_F24 */ | |
300 | -1, -1, -1, -1, -1, -1, -1, -1, | |
301 | 0x7f, /* VK_NUMLOCK */ | |
4ba58dd4 | 302 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0x9f */ |
6cdfb6e6 RS |
303 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0xaf */ |
304 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0xb9 */ | |
305 | -2, /* ; */ | |
306 | -2, /* = */ | |
307 | -2, /* , */ | |
308 | -2, /* \ */ | |
309 | -2, /* . */ | |
310 | -2, /* / */ | |
311 | -2, /* ` */ | |
c0f1b02e GV |
312 | -2, /* 0xc1: on Brazilian keyboards, this is the /(?) key. */ |
313 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0xcf */ | |
6cdfb6e6 | 314 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0xda */ |
4ba58dd4 RS |
315 | -2, -2, -2, -2, -2, /* 0xdf */ |
316 | -2, -2, -2, -2, -2, | |
317 | -1, /* 0xe5 */ | |
318 | -2, /* oxe6 */ | |
319 | -1, -1, /* 0xe8 */ | |
320 | -2, -2, -2, -2, -2, -2, -2, /* 0xef */ | |
321 | -2, -2, -2, -2, -2, -2, | |
322 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 /* 0xff */ | |
6cdfb6e6 RS |
323 | }; |
324 | ||
daf38066 GV |
325 | /* return code -1 means that event_queue_ptr won't be incremented. |
326 | In other word, this event makes two key codes. (by himi) */ | |
c0386d7e | 327 | int |
59131421 | 328 | key_event (KEY_EVENT_RECORD *event, struct input_event *emacs_ev, int *isdead) |
6cdfb6e6 RS |
329 | { |
330 | int map; | |
daf38066 | 331 | int key_flag = 0; |
b02466e8 | 332 | static BOOL map_virt_key_init_done; |
59131421 GV |
333 | |
334 | *isdead = 0; | |
6cdfb6e6 RS |
335 | |
336 | /* Skip key-up events. */ | |
407c1745 | 337 | if (!event->bKeyDown) |
6cdfb6e6 RS |
338 | return 0; |
339 | ||
340 | if (event->wVirtualKeyCode > 0xff) | |
341 | { | |
342 | printf ("Unknown key code %d\n", event->wVirtualKeyCode); | |
343 | return 0; | |
344 | } | |
b02466e8 KH |
345 | |
346 | /* Patch needed for German keyboard. Ulrich Leodolter (1/11/95). */ | |
347 | if (! map_virt_key_init_done) | |
348 | { | |
349 | short vk; | |
350 | ||
351 | if ((vk = VkKeyScan (0x3c)) >= 0 && vk < 256) map_virt_key[vk] = -2; /* less */ | |
352 | if ((vk = VkKeyScan (0x3e)) >= 0 && vk < 256) map_virt_key[vk] = -2; /* greater */ | |
353 | ||
354 | map_virt_key_init_done = TRUE; | |
355 | } | |
6cdfb6e6 RS |
356 | |
357 | /* BUGBUG - Ignores the repeat count | |
358 | It's questionable whether we want to obey the repeat count anyway | |
359 | since keys usually aren't repeated unless key events back up in | |
360 | the queue. If they're backing up then we don't generally want | |
361 | to honor them later since that leads to significant slop in | |
362 | cursor motion when the system is under heavy load. */ | |
407c1745 | 363 | |
6cdfb6e6 RS |
364 | map = map_virt_key[event->wVirtualKeyCode]; |
365 | if (map == -1) | |
366 | { | |
367 | return 0; | |
368 | } | |
369 | else if (map == -2) | |
370 | { | |
371 | /* ASCII */ | |
372 | emacs_ev->kind = ascii_keystroke; | |
fbd6baed | 373 | key_flag = w32_kbd_patch_key (event); /* 95.7.25 by himi */ |
daf38066 GV |
374 | if (key_flag == 0) |
375 | return 0; | |
59131421 GV |
376 | if (key_flag < 0) |
377 | *isdead = 1; | |
9e539a3c | 378 | XSETINT (emacs_ev->code, event->uChar.AsciiChar); |
6cdfb6e6 | 379 | } |
daf38066 GV |
380 | #ifdef MULE |
381 | /* for IME */ | |
382 | else if (map == -3) | |
383 | { | |
384 | if ((event->dwControlKeyState & NLS_IME_CONVERSION) | |
385 | && !(event->dwControlKeyState & RIGHT_ALT_PRESSED) | |
386 | && !(event->dwControlKeyState & LEFT_ALT_PRESSED) | |
387 | && !(event->dwControlKeyState & RIGHT_CTRL_PRESSED) | |
388 | && !(event->dwControlKeyState & LEFT_CTRL_PRESSED)) | |
389 | { | |
390 | emacs_ev->kind = ascii_keystroke; | |
391 | XSETINT (emacs_ev->code, event->uChar.AsciiChar); | |
392 | } | |
393 | else | |
394 | return 0; | |
395 | } | |
396 | #endif | |
6cdfb6e6 RS |
397 | else |
398 | { | |
399 | /* non-ASCII */ | |
400 | emacs_ev->kind = non_ascii_keystroke; | |
407c1745 GV |
401 | #ifdef HAVE_NTGUI |
402 | /* use Windows keysym map */ | |
403 | XSETINT (emacs_ev->code, event->wVirtualKeyCode); | |
404 | #else | |
6cdfb6e6 RS |
405 | /* |
406 | * make_lispy_event () now requires non-ascii codes to have | |
407 | * the full X keysym values (2nd byte is 0xff). add it on. | |
408 | */ | |
409 | map |= 0xff00; | |
9e539a3c | 410 | XSETINT (emacs_ev->code, map); |
407c1745 | 411 | #endif /* HAVE_NTGUI */ |
6cdfb6e6 | 412 | } |
daf38066 GV |
413 | /* for Mule 2.2 (Based on Emacs 19.28) */ |
414 | #ifdef MULE | |
415 | XSET (emacs_ev->frame_or_window, Lisp_Frame, get_frame ()); | |
416 | #else | |
b02466e8 | 417 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
daf38066 | 418 | #endif |
59131421 GV |
419 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, |
420 | event->wVirtualKeyCode); | |
6cdfb6e6 | 421 | emacs_ev->timestamp = GetTickCount (); |
daf38066 | 422 | if (key_flag == 2) return -1; /* 95.7.25 by himi */ |
6cdfb6e6 RS |
423 | return 1; |
424 | } | |
425 | ||
426 | /* Mouse position hook. */ | |
427 | void | |
81e3e4fd | 428 | w32_console_mouse_position (FRAME_PTR *f, |
daf38066 | 429 | #ifndef MULE |
81e3e4fd | 430 | int insist, |
daf38066 | 431 | #endif |
81e3e4fd GV |
432 | Lisp_Object *bar_window, |
433 | enum scroll_bar_part *part, | |
434 | Lisp_Object *x, | |
435 | Lisp_Object *y, | |
436 | unsigned long *time) | |
6cdfb6e6 RS |
437 | { |
438 | BLOCK_INPUT; | |
407c1745 GV |
439 | |
440 | #ifndef MULE | |
b02466e8 | 441 | insist = insist; |
daf38066 | 442 | #endif |
b02466e8 | 443 | |
6cdfb6e6 RS |
444 | *f = get_frame (); |
445 | *bar_window = Qnil; | |
446 | *part = 0; | |
0e7078f5 | 447 | selected_frame->mouse_moved = 0; |
6cdfb6e6 RS |
448 | |
449 | *x = movement_pos.X; | |
450 | *y = movement_pos.Y; | |
451 | *time = movement_time; | |
452 | ||
453 | UNBLOCK_INPUT; | |
454 | } | |
455 | ||
456 | /* Remember mouse motion and notify emacs. */ | |
457 | static void | |
458 | mouse_moved_to (int x, int y) | |
459 | { | |
460 | /* If we're in the same place, ignore it */ | |
461 | if (x != movement_pos.X || y != movement_pos.Y) | |
462 | { | |
0e7078f5 | 463 | selected_frame->mouse_moved = 1; |
6cdfb6e6 RS |
464 | movement_pos.X = x; |
465 | movement_pos.Y = y; | |
466 | movement_time = GetTickCount (); | |
467 | } | |
468 | } | |
469 | ||
470 | /* Consoles return button bits in a strange order: | |
471 | least significant - Leftmost button | |
472 | next - Rightmost button | |
473 | next - Leftmost+1 | |
474 | next - Leftmost+2... | |
475 | ||
476 | Assume emacs likes three button mice, so | |
477 | Left == 0 | |
478 | Middle == 1 | |
479 | Right == 2 | |
480 | Others increase from there. */ | |
481 | ||
482 | static int emacs_button_translation[NUM_MOUSE_BUTTONS] = | |
483 | { | |
484 | 0, 2, 1, 3, 4, | |
485 | }; | |
486 | ||
487 | static int | |
488 | do_mouse_event (MOUSE_EVENT_RECORD *event, | |
489 | struct input_event *emacs_ev) | |
490 | { | |
491 | static DWORD button_state = 0; | |
492 | DWORD but_change, mask; | |
493 | int i; | |
494 | ||
495 | if (event->dwEventFlags == MOUSE_MOVED) | |
496 | { | |
497 | /* For movement events we just note that the mouse has moved | |
498 | so that emacs will generate drag events. */ | |
499 | mouse_moved_to (event->dwMousePosition.X, event->dwMousePosition.Y); | |
500 | return 0; | |
501 | } | |
502 | ||
503 | /* It looks like the console code sends us a mouse event with | |
504 | dwButtonState == 0 when a window is activated. Ignore this case. */ | |
505 | if (event->dwButtonState == button_state) | |
506 | return 0; | |
507 | ||
508 | emacs_ev->kind = mouse_click; | |
509 | ||
510 | /* Find out what button has changed state since the last button event. */ | |
511 | but_change = button_state ^ event->dwButtonState; | |
512 | mask = 1; | |
513 | for (i = 0; i < NUM_MOUSE_BUTTONS; i++, mask <<= 1) | |
514 | if (but_change & mask) | |
515 | { | |
9e539a3c | 516 | XSETINT (emacs_ev->code, emacs_button_translation[i]); |
6cdfb6e6 RS |
517 | break; |
518 | } | |
519 | ||
520 | /* If the changed button is out of emacs' range (highly unlikely) | |
521 | ignore this event. */ | |
522 | if (i == NUM_MOUSE_BUTTONS) | |
523 | return 0; | |
524 | ||
525 | button_state = event->dwButtonState; | |
526 | emacs_ev->timestamp = GetTickCount (); | |
59131421 | 527 | emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState, 0) | |
6cdfb6e6 RS |
528 | ((event->dwButtonState & mask) ? down_modifier : up_modifier); |
529 | ||
9e539a3c KH |
530 | XSETFASTINT (emacs_ev->x, event->dwMousePosition.X); |
531 | XSETFASTINT (emacs_ev->y, event->dwMousePosition.Y); | |
daf38066 GV |
532 | /* for Mule 2.2 (Based on Emacs 19.28 */ |
533 | #ifdef MULE | |
534 | XSET (emacs_ev->frame_or_window, Lisp_Frame, get_frame ()); | |
535 | #else | |
b02466e8 | 536 | XSETFRAME (emacs_ev->frame_or_window, get_frame ()); |
daf38066 | 537 | #endif |
6cdfb6e6 RS |
538 | |
539 | return 1; | |
540 | } | |
541 | ||
542 | static void | |
543 | resize_event (WINDOW_BUFFER_SIZE_RECORD *event) | |
544 | { | |
545 | FRAME_PTR f = get_frame (); | |
546 | ||
547 | change_frame_size (f, event->dwSize.Y, event->dwSize.X, 0, 1); | |
548 | SET_FRAME_GARBAGED (f); | |
549 | } | |
550 | ||
551 | int | |
fbd6baed | 552 | w32_console_read_socket (int sd, struct input_event *bufp, int numchars, |
81e3e4fd | 553 | int expected) |
6cdfb6e6 RS |
554 | { |
555 | BOOL no_events = TRUE; | |
556 | int nev, ret = 0, add; | |
59131421 GV |
557 | int isdead; |
558 | ||
6cdfb6e6 RS |
559 | if (interrupt_input_blocked) |
560 | { | |
561 | interrupt_input_pending = 1; | |
562 | return -1; | |
563 | } | |
564 | ||
565 | interrupt_input_pending = 0; | |
566 | BLOCK_INPUT; | |
567 | ||
568 | for (;;) | |
569 | { | |
06c2c73d | 570 | nev = fill_queue (0); |
6cdfb6e6 RS |
571 | if (nev <= 0) |
572 | { | |
573 | /* If nev == -1, there was some kind of error | |
574 | If nev == 0 then waitp must be zero and no events were available | |
575 | so return. */ | |
576 | UNBLOCK_INPUT; | |
577 | return nev; | |
578 | } | |
579 | ||
580 | while (nev > 0 && numchars > 0) | |
581 | { | |
582 | switch (queue_ptr->EventType) | |
583 | { | |
584 | case KEY_EVENT: | |
59131421 | 585 | add = key_event (&queue_ptr->Event.KeyEvent, bufp, &isdead); |
daf38066 GV |
586 | if (add == -1) /* 95.7.25 by himi */ |
587 | { | |
588 | queue_ptr--; | |
589 | add = 1; | |
590 | } | |
6cdfb6e6 RS |
591 | bufp += add; |
592 | ret += add; | |
593 | numchars -= add; | |
594 | break; | |
595 | ||
596 | case MOUSE_EVENT: | |
597 | add = do_mouse_event (&queue_ptr->Event.MouseEvent, bufp); | |
598 | bufp += add; | |
599 | ret += add; | |
600 | numchars -= add; | |
601 | break; | |
602 | ||
603 | case WINDOW_BUFFER_SIZE_EVENT: | |
604 | resize_event (&queue_ptr->Event.WindowBufferSizeEvent); | |
605 | break; | |
606 | ||
607 | case MENU_EVENT: | |
608 | case FOCUS_EVENT: | |
609 | /* Internal event types, ignored. */ | |
610 | break; | |
611 | } | |
612 | ||
613 | queue_ptr++; | |
614 | nev--; | |
615 | } | |
616 | ||
617 | if (ret > 0 || expected == 0) | |
618 | break; | |
619 | } | |
620 | ||
621 | UNBLOCK_INPUT; | |
622 | return ret; | |
623 | } |