awesomerc.5.txt with Kai Grossjohann's improved shell-script
[awesome.git] / awesome-menu.c
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1 /*
2 * awesome-menu.c - menu window for awesome
4 * Copyright © 2008 Julien Danjou <julien@danjou.info>
6 * This program 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 of the License, or
9 * (at your option) any later version.
11 * This program 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.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #define _GNU_SOURCE
23 #include <getopt.h>
25 #include <signal.h>
26 #include <unistd.h>
27 #include <stdlib.h>
28 #include <dirent.h>
29 #include <pwd.h>
30 #include <sys/types.h>
32 #include <confuse.h>
34 #include <X11/Xlib.h>
35 #include <X11/extensions/Xinerama.h>
37 #include "common/swindow.h"
38 #include "common/util.h"
39 #include "common/version.h"
40 #include "common/configopts.h"
41 #include "common/xutil.h"
43 #define PROGNAME "awesome-menu"
45 #define CLEANMASK(mask) (mask & ~(globalconf.numlockmask | LockMask))
47 typedef enum
49 STOP = 0,
50 RUN = 1,
51 CANCEL = 2
52 } status_t;
54 static status_t status = RUN;
56 /** Import awesome config file format */
57 extern cfg_opt_t awesome_opts[];
59 typedef struct item_t item_t;
60 struct item_t
62 char *data;
63 item_t *prev, *next;
64 Bool match;
67 static void
68 item_delete(item_t **item)
70 p_delete(&(*item)->data);
71 p_delete(item);
74 DO_SLIST(item_t, item, item_delete);
76 /** awesome-run global configuration structure */
77 typedef struct
79 /** Display ref */
80 Display *display;
81 /** The window */
82 SimpleWindow *sw;
83 /** The draw contet */
84 DrawCtx *ctx;
85 /** Font to use */
86 XftFont *font;
87 /** Draw shadow_offset under text */
88 Bool shadow_offset;
89 /** Foreground color */
90 XColor fg;
91 /** Background color */
92 XColor bg;
93 /** List background */
94 XColor fg_focus, bg_focus;
95 /** Numlock mask */
96 unsigned int numlockmask;
97 /** The text */
98 char text[PATH_MAX];
99 /** Item list */
100 item_t *items;
101 /** Selected item */
102 item_t *item_selected;
103 /** What to do with the result text */
104 char *exec;
105 /** Prompt */
106 char *prompt;
107 } AwesomeMenuConf;
109 static AwesomeMenuConf globalconf;
111 static void __attribute__ ((noreturn))
112 exit_help(int exit_code)
114 FILE *outfile = (exit_code == EXIT_SUCCESS) ? stdout : stderr;
115 fprintf(outfile, "Usage: %s [-e command] <message>\n",
116 PROGNAME);
117 exit(exit_code);
120 static int
121 config_parse(const char *confpatharg, const char *menu_title, Area *geometry)
123 int ret, i;
124 char *confpath, *opt;
125 cfg_t *cfg, *cfg_menu = NULL, *cfg_screen, *cfg_general,
126 *cfg_colors, *cfg_menu_colors = NULL;
128 if(!confpatharg)
129 confpath = config_file();
130 else
131 confpath = a_strdup(confpatharg);
133 cfg = cfg_init(awesome_opts, CFGF_NONE);
135 switch((ret = cfg_parse(cfg, confpath)))
137 case CFG_FILE_ERROR:
138 perror("awesome-message: parsing configuration file failed");
139 break;
140 case CFG_PARSE_ERROR:
141 cfg_error(cfg, "awesome: parsing configuration file %s failed.\n", confpath);
142 break;
145 if(ret)
146 return ret;
148 if(menu_title && !(cfg_menu = cfg_gettsec(cfg, "menu", menu_title)))
149 warn("no definition for menu %s in configuration file: using default\n", menu_title);
151 /* get global screen section */
152 if(!(cfg_screen = cfg_getsec(cfg, "screen")))
153 eprint("parsing configuration file failed, no screen section found\n");
155 /* get colors and general section */
156 if(cfg_menu)
157 cfg_menu_colors = cfg_getsec(cfg_menu, "colors");
158 cfg_general = cfg_getsec(cfg_screen, "general");
159 cfg_colors = cfg_getsec(cfg_screen, "colors");
161 /* colors */
162 if(!cfg_menu_colors || !(opt = cfg_getstr(cfg_menu_colors, "normal_fg")))
163 opt = cfg_getstr(cfg_colors, "normal_fg");
165 draw_color_new(globalconf.display, DefaultScreen(globalconf.display),
166 opt, &globalconf.fg);
168 if(!cfg_menu_colors || !(opt = cfg_getstr(cfg_menu_colors, "normal_bg")))
169 opt = cfg_getstr(cfg_colors, "normal_bg");
171 draw_color_new(globalconf.display, DefaultScreen(globalconf.display),
172 opt, &globalconf.bg);
174 if(!cfg_menu_colors || !(opt = cfg_getstr(cfg_menu_colors, "focus_fg")))
175 opt = cfg_getstr(cfg_colors, "focus_fg");
177 draw_color_new(globalconf.display, DefaultScreen(globalconf.display),
178 opt, &globalconf.fg_focus);
180 if(!cfg_menu_colors || !(opt = cfg_getstr(cfg_menu_colors, "focus_bg")))
181 opt = cfg_getstr(cfg_colors, "focus_bg");
183 draw_color_new(globalconf.display, DefaultScreen(globalconf.display),
184 opt, &globalconf.bg_focus);
186 /* font */
187 if(!cfg_menu || !(opt = cfg_getstr(cfg_menu, "font")))
188 opt = cfg_getstr(cfg_general, "font");
190 globalconf.font = XftFontOpenName(globalconf.display, DefaultScreen(globalconf.display),
191 opt);
193 globalconf.shadow_offset = cfg_getint(cfg_general, "text_shadow_offset");
195 if(cfg_menu)
197 if((i = cfg_getint(cfg_menu, "x")) != (int) 0xffffffff)
198 geometry->x = i;
199 if((i = cfg_getint(cfg_menu, "y")) != (int) 0xffffffff)
200 geometry->y = i;
201 if((i = cfg_getint(cfg_menu, "width")) > 0)
202 geometry->width = i;
203 if((i = cfg_getint(cfg_menu, "height")) > 0)
204 geometry->height = i;
207 p_delete(&confpath);
209 return ret;
212 static char *
213 get_last_word(char *text)
215 char *last_word;
217 if((last_word = strrchr(text, ' ')))
218 last_word++;
219 else
220 last_word = text;
222 return last_word;
225 static Bool
226 item_list_fill_file(const char *directory)
228 char cwd[PATH_MAX], *home, *user, *filename;
229 const char *file;
230 DIR *dir;
231 struct dirent *dirinfo;
232 item_t *item;
233 ssize_t len, lenfile;
234 struct passwd *passwd = NULL;
235 struct stat st;
237 item_list_wipe(&globalconf.items);
239 if(!directory)
240 a_strcpy(cwd, sizeof(cwd), "./");
241 else if(a_strlen(directory) > 1 && directory[0] == '~')
243 if(directory[1] == '/')
245 if((home = getenv("HOME")))
246 a_strcpy(cwd, sizeof(cwd), home);
247 a_strcat(cwd, sizeof(cwd), directory + 1);
249 else
251 if(!(file = strchr(directory, '/')))
252 file = directory + a_strlen(directory);
253 len = (file - directory) + 1;
254 user = p_new(char, len);
255 a_strncpy(user, len, directory + 1, (file - directory) - 1);
256 if((passwd = getpwnam(user)))
258 a_strcpy(cwd, sizeof(cwd), passwd->pw_dir);
259 a_strcat(cwd, sizeof(cwd), file);
260 p_delete(&user);
262 else
264 p_delete(&user);
265 return False;
269 else
270 a_strcpy(cwd, sizeof(cwd), directory);
272 if(!(dir = opendir(cwd)))
273 return False;
275 while((dirinfo = readdir(dir)))
277 item = p_new(item_t, 1);
279 /* + 1 for \0 + 1 for / if directory */
280 len = a_strlen(directory) + a_strlen(dirinfo->d_name) + 2;
282 item->data = p_new(char, len);
283 if(a_strlen(directory))
284 a_strcpy(item->data, len, directory);
285 a_strcat(item->data, len, dirinfo->d_name);
287 lenfile = a_strlen(cwd) + a_strlen(dirinfo->d_name) + 2;
289 filename = p_new(char, lenfile);
290 a_strcpy(filename, lenfile, cwd);
291 a_strcat(filename, lenfile, dirinfo->d_name);
293 if(!stat(filename, &st) && S_ISDIR(st.st_mode))
294 a_strcat(item->data, len, "/");
296 p_delete(&filename);
298 item_list_push(&globalconf.items, item);
301 closedir(dir);
303 return True;
306 static void
307 complete(Bool reverse)
309 char *word;
310 int loop = 2;
311 item_t *item = NULL;
312 item_t *(*item_iter)(item_t **, item_t *) = item_list_next_cycle;
314 if(reverse)
315 item_iter = item_list_prev_cycle;
317 if(globalconf.item_selected)
318 item = item_iter(&globalconf.items, globalconf.item_selected);
319 else
320 item = globalconf.items;
322 for(; item && loop; item = item_iter(&globalconf.items, item))
324 if(item->match)
326 word = get_last_word(globalconf.text);
327 a_strcpy(word, sizeof(globalconf.text) - (word - globalconf.text), item->data);
328 globalconf.item_selected = item;
329 return;
332 * Since loop is 2, it will be 1 at first iter, and then 0 if we
333 * get back before matching an item (i.e. no items match) to the
334 * first elem: so it will break the loop, otherwise it loops for
335 * ever
337 if(item == globalconf.items)
338 loop--;
342 static void
343 compute_match(const char *word)
345 ssize_t len = a_strlen(word);
346 item_t *item;
348 /* reset the selected item to NULL */
349 globalconf.item_selected = NULL;
351 if(len)
353 if(word[len - 1] == '/'
354 || word[len - 1] == ' ')
355 item_list_fill_file(word);
357 for(item = globalconf.items; item; item = item->next)
358 if(!a_strncmp(word, item->data, a_strlen(word)))
359 item->match = True;
360 else
361 item->match = False;
363 else
365 if(a_strlen(globalconf.text))
366 item_list_fill_file(NULL);
367 for(item = globalconf.items; item; item = item->next)
368 item->match = True;
372 /* Why not? */
373 #define MARGIN 10
375 static void
376 draw_item(item_t *item, Area geometry)
378 if(item == globalconf.item_selected)
379 draw_text(globalconf.ctx, geometry, AlignLeft,
380 MARGIN / 2, globalconf.font, item->data,
381 globalconf.shadow_offset,
382 globalconf.fg_focus, globalconf.bg_focus);
383 else
384 draw_text(globalconf.ctx, geometry, AlignLeft,
385 MARGIN / 2, globalconf.font, item->data,
386 globalconf.shadow_offset,
387 globalconf.fg, globalconf.bg);
390 static void
391 redraw(void)
393 item_t *item;
394 Area geometry = { 0, 0, 0, 0, NULL, NULL };
395 Bool selected_item_is_drawn = False;
396 int len, prompt_len, x_of_previous_item;
398 geometry.width = globalconf.sw->geometry.width;
399 geometry.height = globalconf.sw->geometry.height;
401 if(a_strlen(globalconf.prompt))
403 draw_text(globalconf.ctx, geometry, AlignLeft,
404 MARGIN, globalconf.font, globalconf.prompt,
405 globalconf.shadow_offset,
406 globalconf.fg_focus, globalconf.bg_focus);
408 len = MARGIN * 2 + draw_textwidth(globalconf.display, globalconf.font, globalconf.prompt);
409 geometry.x += len;
410 geometry.width -= len;
413 draw_text(globalconf.ctx, geometry, AlignLeft,
414 MARGIN, globalconf.font, globalconf.text,
415 globalconf.shadow_offset,
416 globalconf.fg, globalconf.bg);
418 len = MARGIN * 2 + MAX(draw_textwidth(globalconf.display, globalconf.font, globalconf.text),
419 geometry.width / 20);
420 geometry.x += len;
421 geometry.width -= len;
422 prompt_len = geometry.x;
424 for(item = globalconf.items; item && geometry.width > 0; item = item->next)
425 if(item->match)
427 len = MARGIN + draw_textwidth(globalconf.display, globalconf.font, item->data);
428 if(item == globalconf.item_selected)
430 if(len > geometry.width)
431 break;
432 else
433 selected_item_is_drawn = True;
435 draw_item(item, geometry);
436 geometry.x += len;
437 geometry.width -= len;
440 /* we have an item selected but not drawn, so redraw in the other side */
441 if(globalconf.item_selected && !selected_item_is_drawn)
443 geometry.x = globalconf.sw->geometry.width;
445 for(item = globalconf.item_selected; item; item = item_list_prev(&globalconf.items, item))
446 if(item->match)
448 x_of_previous_item = geometry.x;
449 geometry.width = MARGIN + draw_textwidth(globalconf.display, globalconf.font, item->data);
450 geometry.x -= geometry.width;
452 if(geometry.x < prompt_len)
453 break;
455 draw_item(item, geometry);
458 if(item)
460 geometry.x = prompt_len;
461 geometry.width = x_of_previous_item - prompt_len;
462 draw_rectangle(globalconf.ctx, geometry, True, globalconf.bg);
465 else if(geometry.width)
466 draw_rectangle(globalconf.ctx, geometry, True, globalconf.bg);
468 simplewindow_refresh_drawable(globalconf.sw, DefaultScreen(globalconf.display));
469 XSync(globalconf.display, False);
472 static void
473 handle_kpress(XKeyEvent *e)
475 char buf[32];
476 KeySym ksym;
477 int num;
478 ssize_t len;
480 len = a_strlen(globalconf.text);
481 num = XLookupString(e, buf, sizeof(buf), &ksym, 0);
482 if(e->state & ControlMask)
483 switch(ksym)
485 default:
486 return;
487 case XK_bracketleft:
488 ksym = XK_Escape;
489 break;
490 case XK_h:
491 case XK_H:
492 ksym = XK_BackSpace;
493 break;
494 case XK_i:
495 case XK_I:
496 ksym = XK_Tab;
497 break;
498 case XK_j:
499 case XK_J:
500 ksym = XK_Return;
501 break;
502 case XK_c:
503 case XK_C:
504 status = CANCEL;
505 break;
506 case XK_w:
507 case XK_W:
508 /* erase word */
509 if(len)
511 int i = len - 1;
512 while(i >= 0 && globalconf.text[i] == ' ')
513 globalconf.text[i--] = '\0';
514 while(i >= 0 && globalconf.text[i] != ' ')
515 globalconf.text[i--] = '\0';
516 compute_match(get_last_word(globalconf.text));
517 redraw();
519 return;
521 else if(CLEANMASK(e->state) & Mod1Mask)
522 switch(ksym)
524 default:
525 return;
526 case XK_h:
527 ksym = XK_Left;
528 break;
529 case XK_l:
530 ksym = XK_Right;
531 break;
534 switch(ksym)
536 default:
537 if(num && !iscntrl((int) buf[0]))
539 if(buf[0] != '/' || globalconf.text[len - 1] != '/')
541 buf[num] = '\0';
542 a_strncat(globalconf.text, sizeof(globalconf.text), buf, num);
544 compute_match(get_last_word(globalconf.text));
545 redraw();
547 break;
548 case XK_BackSpace:
549 if(len)
551 globalconf.text[--len] = '\0';
552 compute_match(get_last_word(globalconf.text));
553 redraw();
555 break;
556 case XK_ISO_Left_Tab:
557 case XK_Left:
558 complete(True);
559 redraw();
560 break;
561 case XK_Right:
562 case XK_Tab:
563 complete(False);
564 redraw();
565 break;
566 case XK_Escape:
567 status= CANCEL;
568 break;
569 case XK_Return:
570 status = STOP;
571 break;
575 static Bool
576 item_list_fill_stdin(void)
578 char buf[PATH_MAX];
579 item_t *newitem;
580 Bool has_entry = False;
582 item_list_init(&globalconf.items);
584 if(fgets(buf, sizeof(buf), stdin))
585 has_entry = True;
587 if(has_entry)
590 buf[a_strlen(buf) - 1] = '\0';
591 newitem = p_new(item_t, 1);
592 newitem->data = a_strdup(buf);
593 newitem->match = True;
594 item_list_append(&globalconf.items, newitem);
596 while(fgets(buf, sizeof(buf), stdin));
598 return has_entry;
602 main(int argc, char **argv)
604 Display *disp;
605 XEvent ev;
606 int opt, ret;
607 char *configfile = NULL, *cmd;
608 ssize_t len;
609 const char *shell = getenv("SHELL");
610 Area geometry = { 0, 0, 0, 0, NULL, NULL };
611 static struct option long_options[] =
613 {"help", 0, NULL, 'h'},
614 {"version", 0, NULL, 'v'},
615 {"exec", 0, NULL, 'e'},
616 {NULL, 0, NULL, 0}
619 if(!(disp = XOpenDisplay(NULL)))
620 eprint("unable to open display");
622 globalconf.display = disp;
624 while((opt = getopt_long(argc, argv, "vhf:b:x:y:n:c:e:",
625 long_options, NULL)) != -1)
626 switch(opt)
628 case 'v':
629 eprint_version(PROGNAME);
630 break;
631 case 'h':
632 exit_help(EXIT_SUCCESS);
633 break;
634 case 'c':
635 configfile = a_strdup(optarg);
636 break;
637 case 'e':
638 globalconf.exec = a_strdup(optarg);
639 break;
642 if(argc - optind >= 1)
643 globalconf.prompt = a_strdup(argv[optind]);
645 if((ret = config_parse(configfile, globalconf.prompt, &geometry)))
646 return ret;
648 /* Get the numlock mask */
649 globalconf.numlockmask = get_numlockmask(disp);
651 /* Init the geometry */
652 if(!geometry.height)
653 geometry.height = globalconf.font->height * 1.5;
655 /* XXX this must be replace with a common/ infra */
656 if(XineramaIsActive(disp))
658 XineramaScreenInfo *si;
659 int xinerama_screen_number, i, x, y;
660 unsigned int ui;
661 Window dummy;
663 XQueryPointer(disp, RootWindow(disp, DefaultScreen(disp)),
664 &dummy, &dummy, &x, &y, &i, &i, &ui);
666 si = XineramaQueryScreens(disp, &xinerama_screen_number);
668 /* XXX use screen_get_bycoord() !!! */
669 for(i = 0; i < xinerama_screen_number; i++)
670 if((x < 0 || (x >= si[i].x_org && x < si[i].x_org + si[i].width))
671 && (y < 0 || (y >= si[i].y_org && y < si[i].y_org + si[i].height)))
672 break;
674 if(!geometry.x)
675 geometry.x = si[i].x_org;
676 if(!geometry.y)
677 geometry.y = si[i].y_org;
678 if(!geometry.width)
679 geometry.width = si[i].width;
681 XFree(si);
683 else if(!geometry.width)
684 geometry.width = DisplayWidth(disp, DefaultScreen(disp));
686 /* Create the window */
687 globalconf.sw = simplewindow_new(disp, DefaultScreen(disp),
688 geometry.x, geometry.y, geometry.width, geometry.height, 0);
690 XStoreName(disp, globalconf.sw->window, PROGNAME);
691 XMapRaised(disp, globalconf.sw->window);
693 /* Create the drawing context */
694 globalconf.ctx = draw_context_new(disp, DefaultScreen(disp),
695 geometry.width, geometry.height,
696 globalconf.sw->drawable);
699 if(!item_list_fill_stdin())
700 item_list_fill_file(NULL);
702 compute_match(NULL);
704 for(opt = 1000; opt; opt--)
706 if(XGrabKeyboard(disp, DefaultRootWindow(disp), True,
707 GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
708 break;
709 usleep(1000);
711 if(!opt)
712 eprint("cannot grab keyboard");
714 redraw();
716 while(status == RUN)
718 XNextEvent(disp, &ev);
719 switch(ev.type)
721 case ButtonPress:
722 status = CANCEL;
723 break;
724 case KeyPress:
725 handle_kpress(&ev.xkey);
726 break;
727 case Expose:
728 if(!ev.xexpose.count)
729 simplewindow_refresh_drawable(globalconf.sw, DefaultScreen(disp));
730 break;
731 default:
732 break;
736 if(status != CANCEL)
738 if(!globalconf.exec)
739 printf("%s\n", globalconf.text);
740 else
742 if(!shell)
743 shell = a_strdup("/bin/sh");
744 len = a_strlen(globalconf.exec) + a_strlen(globalconf.text) + 1;
745 cmd = p_new(char, len);
746 a_strcpy(cmd, len, globalconf.exec);
747 a_strcat(cmd, len, globalconf.text);
748 execl(shell, shell, "-c", cmd, NULL);
752 draw_context_delete(globalconf.ctx);
753 simplewindow_delete(globalconf.sw);
754 XCloseDisplay(disp);
756 return EXIT_SUCCESS;
759 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80