Mercurial > dwm-meillo
annotate menu.c @ 30:2e0fb4130bfb
new stuff, fixed several issues
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Wed, 12 Jul 2006 17:50:31 +0200 |
| parents | e8f627998d6f |
| children | 386649deb651 |
| rev | line source |
|---|---|
| 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 | |
|
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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; |
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34 static Bool done = False; |
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35 |
| 7 | 36 static Item *allitem = NULL; /* first of all items */ |
| 37 static Item *item = NULL; /* first of pattern matching items */ | |
| 38 static Item *sel = NULL; | |
| 39 static Item *nextoff = NULL; | |
| 40 static Item *prevoff = NULL; | |
| 41 static Item *curroff = NULL; | |
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42 |
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43 static int screen, mx, my, mw, mh; |
| 7 | 44 static char *title = NULL; |
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45 static char text[4096]; |
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46 static int ret = 0; |
| 1 | 47 static int nitem = 0; |
| 48 static unsigned int cmdw = 0; | |
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49 static unsigned int tw = 0; |
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50 static unsigned int cw = 0; |
| 1 | 51 static const int seek = 30; /* 30px */ |
| 52 | |
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53 static Brush brush = {0}; |
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54 |
| 5 | 55 static void draw_menu(); |
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56 static void kpress(XKeyEvent * e); |
| 1 | 57 |
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58 static char version[] = "gridmenu - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
| 1 | 59 |
| 60 static void | |
| 61 usage() | |
| 62 { | |
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63 fprintf(stderr, "%s", "usage: gridmenu [-v] [-t <title>]\n"); |
| 1 | 64 exit(1); |
| 65 } | |
| 66 | |
| 67 static void | |
| 68 update_offsets() | |
| 69 { | |
| 70 unsigned int tw, w = cmdw + 2 * seek; | |
| 71 | |
| 72 if(!curroff) | |
| 73 return; | |
| 74 | |
| 75 for(nextoff = curroff; nextoff; nextoff=nextoff->right) { | |
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76 tw = textw(&brush.font, nextoff->text); |
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77 if(tw > mw / 3) |
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78 tw = mw / 3; |
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79 w += tw + brush.font.height; |
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80 if(w > mw) |
| 1 | 81 break; |
| 82 } | |
| 83 | |
| 84 w = cmdw + 2 * seek; | |
| 85 for(prevoff = curroff; prevoff && prevoff->left; prevoff=prevoff->left) { | |
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86 tw = textw(&brush.font, prevoff->left->text); |
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87 if(tw > mw / 3) |
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88 tw = mw / 3; |
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89 w += tw + brush.font.height; |
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90 if(w > mw) |
| 1 | 91 break; |
| 92 } | |
| 93 } | |
| 94 | |
| 95 static void | |
| 96 update_items(char *pattern) | |
| 97 { | |
| 98 unsigned int plen = strlen(pattern); | |
| 99 Item *i, *j; | |
| 100 | |
| 101 if(!pattern) | |
| 102 return; | |
| 103 | |
| 104 if(!title || *pattern) | |
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105 cmdw = cw; |
| 1 | 106 else |
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107 cmdw = tw; |
| 1 | 108 |
| 7 | 109 item = j = NULL; |
| 1 | 110 nitem = 0; |
| 111 | |
| 112 for(i = allitem; i; i=i->next) | |
| 113 if(!plen || !strncmp(pattern, i->text, plen)) { | |
| 114 if(!j) | |
| 115 item = i; | |
| 116 else | |
| 117 j->right = i; | |
| 118 i->left = j; | |
| 7 | 119 i->right = NULL; |
| 1 | 120 j = i; |
| 121 nitem++; | |
| 122 } | |
| 123 for(i = allitem; i; i=i->next) | |
| 124 if(plen && strncmp(pattern, i->text, plen) | |
| 125 && strstr(i->text, pattern)) { | |
| 126 if(!j) | |
| 127 item = i; | |
| 128 else | |
| 129 j->right = i; | |
| 130 i->left = j; | |
| 7 | 131 i->right = NULL; |
| 1 | 132 j = i; |
| 133 nitem++; | |
| 134 } | |
| 135 | |
| 136 curroff = prevoff = nextoff = sel = item; | |
| 137 | |
| 138 update_offsets(); | |
| 139 } | |
| 140 | |
| 141 /* creates brush structs for brush mode drawing */ | |
| 142 static void | |
| 143 draw_menu() | |
| 144 { | |
| 145 Item *i; | |
| 146 | |
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147 brush.x = 0; |
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148 brush.y = 0; |
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149 brush.w = mw; |
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150 brush.h = mh; |
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151 draw(dpy, &brush, False, 0); |
| 1 | 152 |
| 153 /* print command */ | |
| 154 if(!title || text[0]) { | |
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155 cmdw = cw; |
| 1 | 156 if(cmdw && item) |
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157 brush.w = cmdw; |
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158 draw(dpy, &brush, False, text); |
| 1 | 159 } |
| 160 else { | |
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161 cmdw = tw; |
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162 brush.w = cmdw; |
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163 draw(dpy, &brush, False, title); |
| 1 | 164 } |
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165 brush.x += brush.w; |
| 1 | 166 |
| 167 if(curroff) { | |
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168 brush.w = seek; |
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169 draw(dpy, &brush, False, (curroff && curroff->left) ? "<" : 0); |
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170 brush.x += brush.w; |
| 1 | 171 |
| 172 /* determine maximum items */ | |
| 173 for(i = curroff; i != nextoff; i=i->right) { | |
| 174 brush.border = False; | |
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175 brush.w = textw(&brush.font, i->text); |
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176 if(brush.w > mw / 3) |
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177 brush.w = mw / 3; |
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178 brush.w += brush.font.height; |
| 1 | 179 if(sel == i) { |
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180 swap((void **)&brush.fg, (void **)&brush.bg); |
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181 draw(dpy, &brush, True, i->text); |
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182 swap((void **)&brush.fg, (void **)&brush.bg); |
| 1 | 183 } |
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184 else |
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185 draw(dpy, &brush, False, i->text); |
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186 brush.x += brush.w; |
| 1 | 187 } |
| 188 | |
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189 brush.x = mw - seek; |
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190 brush.w = seek; |
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191 draw(dpy, &brush, False, nextoff ? ">" : 0); |
| 1 | 192 } |
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193 XCopyArea(dpy, brush.drawable, win, brush.gc, 0, 0, mw, mh, 0, 0); |
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194 XFlush(dpy); |
| 1 | 195 } |
| 196 | |
| 197 static void | |
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198 kpress(XKeyEvent * e) |
| 1 | 199 { |
| 200 KeySym ksym; | |
| 201 char buf[32]; | |
| 202 int num, prev_nitem; | |
| 203 unsigned int i, len = strlen(text); | |
| 204 | |
| 205 buf[0] = 0; | |
| 206 num = XLookupString(e, buf, sizeof(buf), &ksym, 0); | |
| 207 | |
| 208 if(IsFunctionKey(ksym) || IsKeypadKey(ksym) | |
| 209 || IsMiscFunctionKey(ksym) || IsPFKey(ksym) | |
| 210 || IsPrivateKeypadKey(ksym)) | |
| 211 return; | |
| 212 | |
| 213 /* first check if a control mask is omitted */ | |
| 214 if(e->state & ControlMask) { | |
| 215 switch (ksym) { | |
| 216 case XK_H: | |
| 217 case XK_h: | |
| 218 ksym = XK_BackSpace; | |
| 219 break; | |
| 220 case XK_I: | |
| 221 case XK_i: | |
| 222 ksym = XK_Tab; | |
| 223 break; | |
| 224 case XK_J: | |
| 225 case XK_j: | |
| 226 ksym = XK_Return; | |
| 227 break; | |
| 228 case XK_N: | |
| 229 case XK_n: | |
| 230 ksym = XK_Right; | |
| 231 break; | |
| 232 case XK_P: | |
| 233 case XK_p: | |
| 234 ksym = XK_Left; | |
| 235 break; | |
| 236 case XK_U: | |
| 237 case XK_u: | |
| 238 text[0] = 0; | |
| 239 update_items(text); | |
| 240 draw_menu(); | |
| 241 return; | |
| 242 break; | |
| 243 case XK_bracketleft: | |
| 244 ksym = XK_Escape; | |
| 245 break; | |
| 246 default: /* ignore other control sequences */ | |
| 247 return; | |
| 248 break; | |
| 249 } | |
| 250 } | |
| 251 switch (ksym) { | |
| 252 case XK_Left: | |
| 253 if(!(sel && sel->left)) | |
| 254 return; | |
| 255 sel=sel->left; | |
| 256 if(sel->right == curroff) { | |
| 257 curroff = prevoff; | |
| 258 update_offsets(); | |
| 259 } | |
| 260 break; | |
| 261 case XK_Tab: | |
| 262 if(!sel) | |
| 263 return; | |
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264 strncpy(text, sel->text, sizeof(text)); |
| 1 | 265 update_items(text); |
| 266 break; | |
| 267 case XK_Right: | |
| 268 if(!(sel && sel->right)) | |
| 269 return; | |
| 270 sel=sel->right; | |
| 271 if(sel == nextoff) { | |
| 272 curroff = nextoff; | |
| 273 update_offsets(); | |
| 274 } | |
| 275 break; | |
| 276 case XK_Return: | |
| 277 if(e->state & ShiftMask) { | |
| 278 if(text) | |
| 279 fprintf(stdout, "%s", text); | |
| 280 } | |
| 281 else if(sel) | |
| 282 fprintf(stdout, "%s", sel->text); | |
| 283 else if(text) | |
| 284 fprintf(stdout, "%s", text); | |
| 285 fflush(stdout); | |
| 286 done = True; | |
| 287 break; | |
| 288 case XK_Escape: | |
| 289 ret = 1; | |
| 290 done = True; | |
| 291 break; | |
| 292 case XK_BackSpace: | |
| 293 if((i = len)) { | |
| 294 prev_nitem = nitem; | |
| 295 do { | |
| 296 text[--i] = 0; | |
| 297 update_items(text); | |
| 298 } while(i && nitem && prev_nitem == nitem); | |
| 299 update_items(text); | |
| 300 } | |
| 301 break; | |
| 302 default: | |
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303 if(num && !iscntrl((int) buf[0])) { |
| 1 | 304 buf[num] = 0; |
| 305 if(len > 0) | |
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306 strncat(text, buf, sizeof(text)); |
| 1 | 307 else |
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308 strncpy(text, buf, sizeof(text)); |
| 1 | 309 update_items(text); |
| 310 } | |
| 311 } | |
| 312 draw_menu(); | |
| 313 } | |
| 314 | |
| 315 static char * | |
| 316 read_allitems() | |
| 317 { | |
| 7 | 318 static char *maxname = NULL; |
| 1 | 319 char *p, buf[1024]; |
| 320 unsigned int len = 0, max = 0; | |
| 321 Item *i, *new; | |
| 322 | |
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323 i = 0; |
| 1 | 324 while(fgets(buf, sizeof(buf), stdin)) { |
| 325 len = strlen(buf); | |
| 326 if (buf[len - 1] == '\n') | |
| 327 buf[len - 1] = 0; | |
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328 p = estrdup(buf); |
| 1 | 329 if(max < len) { |
| 330 maxname = p; | |
| 331 max = len; | |
| 332 } | |
| 333 | |
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334 new = emalloc(sizeof(Item)); |
| 7 | 335 new->next = new->left = new->right = NULL; |
| 1 | 336 new->text = p; |
| 337 if(!i) | |
| 338 allitem = new; | |
| 339 else | |
| 340 i->next = new; | |
| 341 i = new; | |
| 342 } | |
| 343 | |
| 344 return maxname; | |
| 345 } | |
| 346 | |
| 347 int | |
| 348 main(int argc, char *argv[]) | |
| 349 { | |
| 350 int i; | |
| 351 XSetWindowAttributes wa; | |
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352 char *maxname; |
| 1 | 353 XEvent ev; |
| 354 | |
| 355 /* command line args */ | |
| 356 for(i = 1; i < argc; i++) { | |
| 357 if (argv[i][0] == '-') | |
| 358 switch (argv[i][1]) { | |
| 359 case 'v': | |
| 360 fprintf(stdout, "%s", version); | |
| 361 exit(0); | |
| 362 break; | |
| 363 case 't': | |
| 364 if(++i < argc) | |
| 365 title = argv[i]; | |
| 366 else | |
| 367 usage(); | |
| 368 break; | |
| 369 default: | |
| 370 usage(); | |
| 371 break; | |
| 372 } | |
| 373 else | |
| 374 usage(); | |
| 375 } | |
| 376 | |
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377 dpy = XOpenDisplay(0); |
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378 if(!dpy) |
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379 error("gridmenu: cannot open dpy\n"); |
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380 screen = DefaultScreen(dpy); |
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381 root = RootWindow(dpy, screen); |
| 1 | 382 |
| 383 maxname = read_allitems(); | |
| 384 | |
| 385 /* grab as early as possible, but after reading all items!!! */ | |
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386 while(XGrabKeyboard(dpy, root, True, GrabModeAsync, |
| 1 | 387 GrabModeAsync, CurrentTime) != GrabSuccess) |
| 388 usleep(1000); | |
| 389 | |
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390 /* style */ |
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391 loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); |
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392 loadfont(dpy, &brush.font, FONT); |
| 1 | 393 |
| 394 wa.override_redirect = 1; | |
| 395 wa.background_pixmap = ParentRelative; | |
| 5 | 396 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask; |
| 1 | 397 |
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398 mx = my = 0; |
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399 mw = DisplayWidth(dpy, screen); |
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400 mh = texth(&brush.font); |
| 1 | 401 |
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402 win = XCreateWindow(dpy, root, mx, my, mw, mh, 0, |
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403 DefaultDepth(dpy, screen), CopyFromParent, |
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404 DefaultVisual(dpy, screen), |
| 1 | 405 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
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406 XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm)); |
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407 XFlush(dpy); |
| 1 | 408 |
| 409 /* pixmap */ | |
| 5 | 410 brush.gc = XCreateGC(dpy, root, 0, 0); |
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411 brush.drawable = XCreatePixmap(dpy, win, mw, mh, |
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412 DefaultDepth(dpy, screen)); |
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413 XFlush(dpy); |
| 1 | 414 |
| 415 if(maxname) | |
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416 cw = textw(&brush.font, maxname) + brush.font.height; |
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417 if(cw > mw / 3) |
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418 cw = mw / 3; |
| 1 | 419 |
| 420 if(title) { | |
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421 tw = textw(&brush.font, title) + brush.font.height; |
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422 if(tw > mw / 3) |
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423 tw = mw / 3; |
| 1 | 424 } |
| 425 | |
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426 cmdw = title ? tw : cw; |
| 1 | 427 |
| 428 text[0] = 0; | |
| 429 update_items(text); | |
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430 XMapRaised(dpy, win); |
| 1 | 431 draw_menu(); |
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432 XFlush(dpy); |
| 1 | 433 |
| 434 /* main event loop */ | |
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435 while(!XNextEvent(dpy, &ev)) { |
| 1 | 436 switch (ev.type) { |
| 437 case KeyPress: | |
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438 kpress(&ev.xkey); |
| 1 | 439 break; |
| 440 case Expose: | |
| 441 if(ev.xexpose.count == 0) { | |
| 442 draw_menu(); | |
| 443 } | |
| 444 break; | |
| 445 default: | |
| 446 break; | |
| 447 } | |
| 448 if(done) | |
| 449 break; | |
| 450 } | |
| 451 | |
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452 XUngrabKeyboard(dpy, CurrentTime); |
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453 XFreePixmap(dpy, brush.drawable); |
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454 XFreeGC(dpy, brush.gc); |
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455 XDestroyWindow(dpy, win); |
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456 XCloseDisplay(dpy); |
| 1 | 457 |
| 458 return ret; | |
| 459 } |