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ee78dc32 GV |
1 | /* Functions taken directly from X sources |
2 | Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation. | |
3 | ||
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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
ee78dc32 GV |
20 | |
21 | #include <signal.h> | |
22 | #include <config.h> | |
23 | #include <stdio.h> | |
24 | #include "lisp.h" | |
25 | #include "blockinput.h" | |
26 | #include "w32term.h" | |
27 | #include "windowsx.h" | |
28 | ||
29 | #define myalloc(cb) GlobalAllocPtr (GPTR, cb) | |
30 | #define myfree(lp) GlobalFreePtr (lp) | |
31 | ||
dd118a07 | 32 | CRITICAL_SECTION critsect; |
ee78dc32 | 33 | extern HANDLE keyboard_handle; |
dd118a07 | 34 | HANDLE hEvent = NULL; |
ee78dc32 GV |
35 | |
36 | void | |
37 | init_crit () | |
38 | { | |
dd118a07 GV |
39 | InitializeCriticalSection (&critsect); |
40 | keyboard_handle = hEvent = CreateEvent (NULL, FALSE, FALSE, NULL); | |
ee78dc32 GV |
41 | } |
42 | ||
43 | void | |
dd118a07 | 44 | enter_crit () |
ee78dc32 | 45 | { |
dd118a07 | 46 | EnterCriticalSection (&critsect); |
ee78dc32 GV |
47 | } |
48 | ||
dd118a07 GV |
49 | void |
50 | leave_crit () | |
ee78dc32 | 51 | { |
dd118a07 | 52 | LeaveCriticalSection (&critsect); |
d484dc55 GV |
53 | } |
54 | ||
dd118a07 GV |
55 | void |
56 | delete_crit () | |
d484dc55 | 57 | { |
dd118a07 GV |
58 | DeleteCriticalSection (&critsect); |
59 | if (hEvent) | |
60 | { | |
61 | CloseHandle (hEvent); | |
62 | hEvent = NULL; | |
63 | } | |
ee78dc32 GV |
64 | } |
65 | ||
66 | typedef struct int_msg | |
67 | { | |
68 | Win32Msg w32msg; | |
69 | struct int_msg *lpNext; | |
70 | } int_msg; | |
71 | ||
72 | int_msg *lpHead = NULL; | |
73 | int_msg *lpTail = NULL; | |
74 | int nQueue = 0; | |
75 | ||
76 | BOOL | |
77 | get_next_msg (lpmsg, bWait) | |
78 | Win32Msg * lpmsg; | |
79 | BOOL bWait; | |
80 | { | |
81 | BOOL bRet = FALSE; | |
82 | ||
dd118a07 | 83 | enter_crit (); |
ee78dc32 GV |
84 | |
85 | /* The while loop takes care of multiple sets */ | |
86 | ||
87 | while (!nQueue && bWait) | |
88 | { | |
dd118a07 GV |
89 | leave_crit (); |
90 | WaitForSingleObject (hEvent, INFINITE); | |
91 | enter_crit (); | |
ee78dc32 GV |
92 | } |
93 | ||
94 | if (nQueue) | |
95 | { | |
96 | bcopy (&(lpHead->w32msg), lpmsg, sizeof (Win32Msg)); | |
97 | ||
98 | { | |
99 | int_msg * lpCur = lpHead; | |
100 | ||
101 | lpHead = lpHead->lpNext; | |
102 | ||
103 | myfree (lpCur); | |
104 | } | |
105 | ||
106 | nQueue--; | |
107 | ||
108 | bRet = TRUE; | |
109 | } | |
110 | ||
dd118a07 | 111 | leave_crit (); |
ee78dc32 GV |
112 | |
113 | return (bRet); | |
114 | } | |
115 | ||
116 | BOOL | |
117 | post_msg (lpmsg) | |
118 | Win32Msg * lpmsg; | |
119 | { | |
120 | int_msg * lpNew = (int_msg *) myalloc (sizeof (int_msg)); | |
121 | ||
dd118a07 | 122 | if (!lpNew) return (FALSE); |
ee78dc32 GV |
123 | |
124 | bcopy (lpmsg, &(lpNew->w32msg), sizeof (Win32Msg)); | |
125 | lpNew->lpNext = NULL; | |
126 | ||
dd118a07 | 127 | enter_crit (); |
ee78dc32 GV |
128 | |
129 | if (nQueue++) | |
dd118a07 GV |
130 | { |
131 | lpTail->lpNext = lpNew; | |
132 | } | |
ee78dc32 | 133 | else |
dd118a07 GV |
134 | { |
135 | lpHead = lpNew; | |
136 | SetEvent (hEvent); | |
137 | } | |
ee78dc32 GV |
138 | |
139 | lpTail = lpNew; | |
140 | ||
dd118a07 | 141 | leave_crit (); |
ee78dc32 GV |
142 | |
143 | return (TRUE); | |
144 | } | |
145 | ||
146 | /* | |
147 | * XParseGeometry parses strings of the form | |
148 | * "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where | |
149 | * width, height, xoffset, and yoffset are unsigned integers. | |
150 | * Example: "=80x24+300-49" | |
151 | * The equal sign is optional. | |
152 | * It returns a bitmask that indicates which of the four values | |
153 | * were actually found in the string. For each value found, | |
154 | * the corresponding argument is updated; for each value | |
155 | * not found, the corresponding argument is left unchanged. | |
156 | */ | |
157 | ||
158 | static int | |
159 | read_integer (string, NextString) | |
160 | register char *string; | |
161 | char **NextString; | |
162 | { | |
163 | register int Result = 0; | |
164 | int Sign = 1; | |
165 | ||
166 | if (*string == '+') | |
167 | string++; | |
168 | else if (*string == '-') | |
169 | { | |
170 | string++; | |
171 | Sign = -1; | |
172 | } | |
173 | for (; (*string >= '0') && (*string <= '9'); string++) | |
174 | { | |
175 | Result = (Result * 10) + (*string - '0'); | |
176 | } | |
177 | *NextString = string; | |
178 | if (Sign >= 0) | |
179 | return (Result); | |
180 | else | |
181 | return (-Result); | |
182 | } | |
183 | ||
184 | int | |
185 | XParseGeometry (string, x, y, width, height) | |
186 | char *string; | |
187 | int *x, *y; | |
188 | unsigned int *width, *height; /* RETURN */ | |
189 | { | |
190 | int mask = NoValue; | |
191 | register char *strind; | |
192 | unsigned int tempWidth, tempHeight; | |
193 | int tempX, tempY; | |
194 | char *nextCharacter; | |
195 | ||
196 | if ((string == NULL) || (*string == '\0')) return (mask); | |
197 | if (*string == '=') | |
198 | string++; /* ignore possible '=' at beg of geometry spec */ | |
199 | ||
200 | strind = (char *)string; | |
201 | if (*strind != '+' && *strind != '-' && *strind != 'x') | |
202 | { | |
203 | tempWidth = read_integer (strind, &nextCharacter); | |
204 | if (strind == nextCharacter) | |
205 | return (0); | |
206 | strind = nextCharacter; | |
207 | mask |= WidthValue; | |
208 | } | |
209 | ||
210 | if (*strind == 'x' || *strind == 'X') | |
211 | { | |
212 | strind++; | |
213 | tempHeight = read_integer (strind, &nextCharacter); | |
214 | if (strind == nextCharacter) | |
215 | return (0); | |
216 | strind = nextCharacter; | |
217 | mask |= HeightValue; | |
218 | } | |
219 | ||
220 | if ((*strind == '+') || (*strind == '-')) | |
221 | { | |
222 | if (*strind == '-') | |
223 | { | |
224 | strind++; | |
225 | tempX = -read_integer (strind, &nextCharacter); | |
226 | if (strind == nextCharacter) | |
227 | return (0); | |
228 | strind = nextCharacter; | |
229 | mask |= XNegative; | |
230 | ||
231 | } | |
232 | else | |
233 | { | |
234 | strind++; | |
235 | tempX = read_integer (strind, &nextCharacter); | |
236 | if (strind == nextCharacter) | |
237 | return (0); | |
238 | strind = nextCharacter; | |
239 | } | |
240 | mask |= XValue; | |
241 | if ((*strind == '+') || (*strind == '-')) | |
242 | { | |
243 | if (*strind == '-') | |
244 | { | |
245 | strind++; | |
246 | tempY = -read_integer (strind, &nextCharacter); | |
247 | if (strind == nextCharacter) | |
248 | return (0); | |
249 | strind = nextCharacter; | |
250 | mask |= YNegative; | |
251 | ||
252 | } | |
253 | else | |
254 | { | |
255 | strind++; | |
256 | tempY = read_integer (strind, &nextCharacter); | |
257 | if (strind == nextCharacter) | |
258 | return (0); | |
259 | strind = nextCharacter; | |
260 | } | |
261 | mask |= YValue; | |
262 | } | |
263 | } | |
264 | ||
265 | /* If strind isn't at the end of the string the it's an invalid | |
266 | geometry specification. */ | |
267 | ||
268 | if (*strind != '\0') return (0); | |
269 | ||
270 | if (mask & XValue) | |
271 | *x = tempX; | |
272 | if (mask & YValue) | |
273 | *y = tempY; | |
274 | if (mask & WidthValue) | |
275 | *width = tempWidth; | |
276 | if (mask & HeightValue) | |
277 | *height = tempHeight; | |
278 | return (mask); | |
279 | } | |
280 | ||
142aad74 | 281 | /* We can use mouse menus when we wish. */ |
ee78dc32 | 282 | int |
142aad74 | 283 | have_menus_p (void) |
ee78dc32 GV |
284 | { |
285 | return 1; | |
286 | } | |
287 | ||
288 | /* x_sync is a no-op on Win32. */ | |
289 | void | |
290 | x_sync (f) | |
291 | void *f; | |
292 | { | |
293 | } | |
294 |