author | Anselm R. Garbe <garbeam@wmii.de> |
Tue, 11 Jul 2006 18:15:11 +0200 | |
changeset 14 | 5c078b66347b |
parent 13 | 5cc5e55a132d |
child 26 | e8f627998d6f |
permissions | -rw-r--r-- |
1 | 1 |
/* |
2 |
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|
3 |
* (C)opyright MMVI Sander van Dijk <a dot h dot vandijk at gmail dot com> |
|
4 |
* See LICENSE file for license details. |
|
5 |
*/ |
|
6 |
||
3
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parents:
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|
7 |
#include "config.h" |
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8 |
#include "draw.h" |
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9 |
#include "util.h" |
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10 |
|
1 | 11 |
#include <ctype.h> |
12 |
#include <stdlib.h> |
|
13 |
#include <stdio.h> |
|
14 |
#include <string.h> |
|
15 |
#include <sys/stat.h> |
|
16 |
#include <sys/wait.h> |
|
17 |
#include <time.h> |
|
18 |
#include <unistd.h> |
|
19 |
#include <X11/cursorfont.h> |
|
20 |
#include <X11/Xutil.h> |
|
21 |
#include <X11/keysym.h> |
|
22 |
||
23 |
typedef struct Item Item; |
|
24 |
||
25 |
struct Item { |
|
26 |
Item *next; /* traverses all items */ |
|
27 |
Item *left, *right; /* traverses items matching current search pattern */ |
|
28 |
char *text; |
|
29 |
}; |
|
30 |
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31 |
static Display *dpy; |
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32 |
static Window root; |
1 | 33 |
static Window win; |
3
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34 |
static XRectangle rect; |
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35 |
static Bool done = False; |
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36 |
|
7 | 37 |
static Item *allitem = NULL; /* first of all items */ |
38 |
static Item *item = NULL; /* first of pattern matching items */ |
|
39 |
static Item *sel = NULL; |
|
40 |
static Item *nextoff = NULL; |
|
41 |
static Item *prevoff = NULL; |
|
42 |
static Item *curroff = NULL; |
|
3
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43 |
|
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44 |
static int screen; |
7 | 45 |
static char *title = NULL; |
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46 |
static char text[4096]; |
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47 |
static int ret = 0; |
1 | 48 |
static int nitem = 0; |
49 |
static unsigned int cmdw = 0; |
|
50 |
static unsigned int twidth = 0; |
|
51 |
static unsigned int cwidth = 0; |
|
52 |
static const int seek = 30; /* 30px */ |
|
53 |
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54 |
static Brush brush = {0}; |
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55 |
|
5 | 56 |
static void draw_menu(); |
3
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57 |
static void kpress(XKeyEvent * e); |
1 | 58 |
|
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59 |
static char version[] = "gridmenu - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
1 | 60 |
|
61 |
static void |
|
62 |
usage() |
|
63 |
{ |
|
3
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64 |
fprintf(stderr, "%s", "usage: gridmenu [-v] [-t <title>]\n"); |
1 | 65 |
exit(1); |
66 |
} |
|
67 |
||
68 |
static void |
|
69 |
update_offsets() |
|
70 |
{ |
|
71 |
unsigned int tw, w = cmdw + 2 * seek; |
|
72 |
||
73 |
if(!curroff) |
|
74 |
return; |
|
75 |
||
76 |
for(nextoff = curroff; nextoff; nextoff=nextoff->right) { |
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3
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77 |
tw = textwidth(&brush.font, nextoff->text); |
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78 |
if(tw > rect.width / 3) |
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79 |
tw = rect.width / 3; |
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80 |
w += tw + brush.font.height; |
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81 |
if(w > rect.width) |
1 | 82 |
break; |
83 |
} |
|
84 |
||
85 |
w = cmdw + 2 * seek; |
|
86 |
for(prevoff = curroff; prevoff && prevoff->left; prevoff=prevoff->left) { |
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tw = textwidth(&brush.font, prevoff->left->text); |
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88 |
if(tw > rect.width / 3) |
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parents:
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89 |
tw = rect.width / 3; |
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90 |
w += tw + brush.font.height; |
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parents:
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|
91 |
if(w > rect.width) |
1 | 92 |
break; |
93 |
} |
|
94 |
} |
|
95 |
||
96 |
static void |
|
97 |
update_items(char *pattern) |
|
98 |
{ |
|
99 |
unsigned int plen = strlen(pattern); |
|
100 |
Item *i, *j; |
|
101 |
||
102 |
if(!pattern) |
|
103 |
return; |
|
104 |
||
105 |
if(!title || *pattern) |
|
106 |
cmdw = cwidth; |
|
107 |
else |
|
108 |
cmdw = twidth; |
|
109 |
||
7 | 110 |
item = j = NULL; |
1 | 111 |
nitem = 0; |
112 |
||
113 |
for(i = allitem; i; i=i->next) |
|
114 |
if(!plen || !strncmp(pattern, i->text, plen)) { |
|
115 |
if(!j) |
|
116 |
item = i; |
|
117 |
else |
|
118 |
j->right = i; |
|
119 |
i->left = j; |
|
7 | 120 |
i->right = NULL; |
1 | 121 |
j = i; |
122 |
nitem++; |
|
123 |
} |
|
124 |
for(i = allitem; i; i=i->next) |
|
125 |
if(plen && strncmp(pattern, i->text, plen) |
|
126 |
&& strstr(i->text, pattern)) { |
|
127 |
if(!j) |
|
128 |
item = i; |
|
129 |
else |
|
130 |
j->right = i; |
|
131 |
i->left = j; |
|
7 | 132 |
i->right = NULL; |
1 | 133 |
j = i; |
134 |
nitem++; |
|
135 |
} |
|
136 |
||
137 |
curroff = prevoff = nextoff = sel = item; |
|
138 |
||
139 |
update_offsets(); |
|
140 |
} |
|
141 |
||
142 |
/* creates brush structs for brush mode drawing */ |
|
143 |
static void |
|
144 |
draw_menu() |
|
145 |
{ |
|
146 |
unsigned int offx = 0; |
|
147 |
Item *i; |
|
148 |
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149 |
brush.rect = rect; |
1 | 150 |
brush.rect.x = 0; |
151 |
brush.rect.y = 0; |
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152 |
draw(dpy, &brush, False, 0); |
1 | 153 |
|
154 |
/* print command */ |
|
155 |
if(!title || text[0]) { |
|
156 |
cmdw = cwidth; |
|
157 |
if(cmdw && item) |
|
158 |
brush.rect.width = cmdw; |
|
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159 |
draw(dpy, &brush, False, text); |
1 | 160 |
} |
161 |
else { |
|
162 |
cmdw = twidth; |
|
163 |
brush.rect.width = cmdw; |
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164 |
draw(dpy, &brush, False, title); |
1 | 165 |
} |
166 |
offx += brush.rect.width; |
|
167 |
||
168 |
if(curroff) { |
|
169 |
brush.rect.x = offx; |
|
170 |
brush.rect.width = seek; |
|
171 |
offx += brush.rect.width; |
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172 |
draw(dpy, &brush, False, (curroff && curroff->left) ? "<" : 0); |
1 | 173 |
|
174 |
/* determine maximum items */ |
|
175 |
for(i = curroff; i != nextoff; i=i->right) { |
|
176 |
brush.border = False; |
|
177 |
brush.rect.x = offx; |
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178 |
brush.rect.width = textwidth(&brush.font, i->text); |
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179 |
if(brush.rect.width > rect.width / 3) |
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180 |
brush.rect.width = rect.width / 3; |
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181 |
brush.rect.width += brush.font.height; |
1 | 182 |
if(sel == i) { |
3
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183 |
swap((void **)&brush.fg, (void **)&brush.bg); |
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184 |
draw(dpy, &brush, True, i->text); |
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185 |
swap((void **)&brush.fg, (void **)&brush.bg); |
1 | 186 |
} |
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187 |
else |
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188 |
draw(dpy, &brush, False, i->text); |
1 | 189 |
offx += brush.rect.width; |
190 |
} |
|
191 |
||
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192 |
brush.rect.x = rect.width - seek; |
1 | 193 |
brush.rect.width = seek; |
3
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194 |
draw(dpy, &brush, False, nextoff ? ">" : 0); |
1 | 195 |
} |
3
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196 |
XCopyArea(dpy, brush.drawable, win, brush.gc, 0, 0, rect.width, |
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197 |
rect.height, 0, 0); |
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|
198 |
XFlush(dpy); |
1 | 199 |
} |
200 |
||
201 |
static void |
|
3
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202 |
kpress(XKeyEvent * e) |
1 | 203 |
{ |
204 |
KeySym ksym; |
|
205 |
char buf[32]; |
|
206 |
int num, prev_nitem; |
|
207 |
unsigned int i, len = strlen(text); |
|
208 |
||
209 |
buf[0] = 0; |
|
210 |
num = XLookupString(e, buf, sizeof(buf), &ksym, 0); |
|
211 |
||
212 |
if(IsFunctionKey(ksym) || IsKeypadKey(ksym) |
|
213 |
|| IsMiscFunctionKey(ksym) || IsPFKey(ksym) |
|
214 |
|| IsPrivateKeypadKey(ksym)) |
|
215 |
return; |
|
216 |
||
217 |
/* first check if a control mask is omitted */ |
|
218 |
if(e->state & ControlMask) { |
|
219 |
switch (ksym) { |
|
220 |
case XK_H: |
|
221 |
case XK_h: |
|
222 |
ksym = XK_BackSpace; |
|
223 |
break; |
|
224 |
case XK_I: |
|
225 |
case XK_i: |
|
226 |
ksym = XK_Tab; |
|
227 |
break; |
|
228 |
case XK_J: |
|
229 |
case XK_j: |
|
230 |
ksym = XK_Return; |
|
231 |
break; |
|
232 |
case XK_N: |
|
233 |
case XK_n: |
|
234 |
ksym = XK_Right; |
|
235 |
break; |
|
236 |
case XK_P: |
|
237 |
case XK_p: |
|
238 |
ksym = XK_Left; |
|
239 |
break; |
|
240 |
case XK_U: |
|
241 |
case XK_u: |
|
242 |
text[0] = 0; |
|
243 |
update_items(text); |
|
244 |
draw_menu(); |
|
245 |
return; |
|
246 |
break; |
|
247 |
case XK_bracketleft: |
|
248 |
ksym = XK_Escape; |
|
249 |
break; |
|
250 |
default: /* ignore other control sequences */ |
|
251 |
return; |
|
252 |
break; |
|
253 |
} |
|
254 |
} |
|
255 |
switch (ksym) { |
|
256 |
case XK_Left: |
|
257 |
if(!(sel && sel->left)) |
|
258 |
return; |
|
259 |
sel=sel->left; |
|
260 |
if(sel->right == curroff) { |
|
261 |
curroff = prevoff; |
|
262 |
update_offsets(); |
|
263 |
} |
|
264 |
break; |
|
265 |
case XK_Tab: |
|
266 |
if(!sel) |
|
267 |
return; |
|
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|
268 |
strncpy(text, sel->text, sizeof(text)); |
1 | 269 |
update_items(text); |
270 |
break; |
|
271 |
case XK_Right: |
|
272 |
if(!(sel && sel->right)) |
|
273 |
return; |
|
274 |
sel=sel->right; |
|
275 |
if(sel == nextoff) { |
|
276 |
curroff = nextoff; |
|
277 |
update_offsets(); |
|
278 |
} |
|
279 |
break; |
|
280 |
case XK_Return: |
|
281 |
if(e->state & ShiftMask) { |
|
282 |
if(text) |
|
283 |
fprintf(stdout, "%s", text); |
|
284 |
} |
|
285 |
else if(sel) |
|
286 |
fprintf(stdout, "%s", sel->text); |
|
287 |
else if(text) |
|
288 |
fprintf(stdout, "%s", text); |
|
289 |
fflush(stdout); |
|
290 |
done = True; |
|
291 |
break; |
|
292 |
case XK_Escape: |
|
293 |
ret = 1; |
|
294 |
done = True; |
|
295 |
break; |
|
296 |
case XK_BackSpace: |
|
297 |
if((i = len)) { |
|
298 |
prev_nitem = nitem; |
|
299 |
do { |
|
300 |
text[--i] = 0; |
|
301 |
update_items(text); |
|
302 |
} while(i && nitem && prev_nitem == nitem); |
|
303 |
update_items(text); |
|
304 |
} |
|
305 |
break; |
|
306 |
default: |
|
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diff
changeset
|
307 |
if(num && !iscntrl((int) buf[0])) { |
1 | 308 |
buf[num] = 0; |
309 |
if(len > 0) |
|
3
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|
310 |
strncat(text, buf, sizeof(text)); |
1 | 311 |
else |
3
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|
312 |
strncpy(text, buf, sizeof(text)); |
1 | 313 |
update_items(text); |
314 |
} |
|
315 |
} |
|
316 |
draw_menu(); |
|
317 |
} |
|
318 |
||
319 |
static char * |
|
320 |
read_allitems() |
|
321 |
{ |
|
7 | 322 |
static char *maxname = NULL; |
1 | 323 |
char *p, buf[1024]; |
324 |
unsigned int len = 0, max = 0; |
|
325 |
Item *i, *new; |
|
326 |
||
3
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Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
327 |
i = 0; |
1 | 328 |
while(fgets(buf, sizeof(buf), stdin)) { |
329 |
len = strlen(buf); |
|
330 |
if (buf[len - 1] == '\n') |
|
331 |
buf[len - 1] = 0; |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
332 |
p = estrdup(buf); |
1 | 333 |
if(max < len) { |
334 |
maxname = p; |
|
335 |
max = len; |
|
336 |
} |
|
337 |
||
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
338 |
new = emalloc(sizeof(Item)); |
7 | 339 |
new->next = new->left = new->right = NULL; |
1 | 340 |
new->text = p; |
341 |
if(!i) |
|
342 |
allitem = new; |
|
343 |
else |
|
344 |
i->next = new; |
|
345 |
i = new; |
|
346 |
} |
|
347 |
||
348 |
return maxname; |
|
349 |
} |
|
350 |
||
351 |
int |
|
352 |
main(int argc, char *argv[]) |
|
353 |
{ |
|
354 |
int i; |
|
355 |
XSetWindowAttributes wa; |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
356 |
char *maxname; |
1 | 357 |
XEvent ev; |
358 |
||
359 |
/* command line args */ |
|
360 |
for(i = 1; i < argc; i++) { |
|
361 |
if (argv[i][0] == '-') |
|
362 |
switch (argv[i][1]) { |
|
363 |
case 'v': |
|
364 |
fprintf(stdout, "%s", version); |
|
365 |
exit(0); |
|
366 |
break; |
|
367 |
case 't': |
|
368 |
if(++i < argc) |
|
369 |
title = argv[i]; |
|
370 |
else |
|
371 |
usage(); |
|
372 |
break; |
|
373 |
default: |
|
374 |
usage(); |
|
375 |
break; |
|
376 |
} |
|
377 |
else |
|
378 |
usage(); |
|
379 |
} |
|
380 |
||
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
381 |
dpy = XOpenDisplay(0); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
382 |
if(!dpy) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
383 |
error("gridmenu: cannot open dpy\n"); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
384 |
screen = DefaultScreen(dpy); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
385 |
root = RootWindow(dpy, screen); |
1 | 386 |
|
387 |
maxname = read_allitems(); |
|
388 |
||
389 |
/* grab as early as possible, but after reading all items!!! */ |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
390 |
while(XGrabKeyboard(dpy, root, True, GrabModeAsync, |
1 | 391 |
GrabModeAsync, CurrentTime) != GrabSuccess) |
392 |
usleep(1000); |
|
393 |
||
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
394 |
/* style */ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
395 |
loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
396 |
loadfont(dpy, &brush.font, FONT); |
1 | 397 |
|
398 |
wa.override_redirect = 1; |
|
399 |
wa.background_pixmap = ParentRelative; |
|
5 | 400 |
wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask; |
1 | 401 |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
402 |
rect.width = DisplayWidth(dpy, screen); |
5 | 403 |
rect.height = labelheight(&brush.font); |
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
404 |
rect.y = DisplayHeight(dpy, screen) - rect.height; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
405 |
rect.x = 0; |
1 | 406 |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
407 |
win = XCreateWindow(dpy, root, rect.x, rect.y, |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
408 |
rect.width, rect.height, 0, DefaultDepth(dpy, screen), |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
409 |
CopyFromParent, DefaultVisual(dpy, screen), |
1 | 410 |
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
411 |
XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm)); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
412 |
XFlush(dpy); |
1 | 413 |
|
414 |
/* pixmap */ |
|
5 | 415 |
brush.gc = XCreateGC(dpy, root, 0, 0); |
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
416 |
brush.drawable = XCreatePixmap(dpy, win, rect.width, rect.height, |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
417 |
DefaultDepth(dpy, screen)); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
418 |
XFlush(dpy); |
1 | 419 |
|
420 |
if(maxname) |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
421 |
cwidth = textwidth(&brush.font, maxname) + brush.font.height; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
422 |
if(cwidth > rect.width / 3) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
423 |
cwidth = rect.width / 3; |
1 | 424 |
|
425 |
if(title) { |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
426 |
twidth = textwidth(&brush.font, title) + brush.font.height; |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
427 |
if(twidth > rect.width / 3) |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
428 |
twidth = rect.width / 3; |
1 | 429 |
} |
430 |
||
431 |
cmdw = title ? twidth : cwidth; |
|
432 |
||
433 |
text[0] = 0; |
|
434 |
update_items(text); |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
435 |
XMapRaised(dpy, win); |
1 | 436 |
draw_menu(); |
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
437 |
XFlush(dpy); |
1 | 438 |
|
439 |
/* main event loop */ |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
440 |
while(!XNextEvent(dpy, &ev)) { |
1 | 441 |
switch (ev.type) { |
442 |
case KeyPress: |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
443 |
kpress(&ev.xkey); |
1 | 444 |
break; |
445 |
case Expose: |
|
446 |
if(ev.xexpose.count == 0) { |
|
447 |
draw_menu(); |
|
448 |
} |
|
449 |
break; |
|
450 |
default: |
|
451 |
break; |
|
452 |
} |
|
453 |
if(done) |
|
454 |
break; |
|
455 |
} |
|
456 |
||
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
457 |
XUngrabKeyboard(dpy, CurrentTime); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
458 |
XFreePixmap(dpy, brush.drawable); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
459 |
XFreeGC(dpy, brush.gc); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
460 |
XDestroyWindow(dpy, win); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
1
diff
changeset
|
461 |
XCloseDisplay(dpy); |
1 | 462 |
|
463 |
return ret; |
|
464 |
} |