1 f5e234d6 2018-05-18 omar.polo /* mymenu -- simple dmenu alternative */
3 f5e234d6 2018-05-18 omar.polo /* Copyright (C) 2018 Omar Polo <omar.polo@europecom.net>
5 f5e234d6 2018-05-18 omar.polo * This program is free software: you can redistribute it and/or modify
6 f5e234d6 2018-05-18 omar.polo * it under the terms of the GNU General Public License as published by
7 f5e234d6 2018-05-18 omar.polo * the Free Software Foundation, either version 3 of the License, or
8 f5e234d6 2018-05-18 omar.polo * (at your option) any later version.
10 f5e234d6 2018-05-18 omar.polo * This program is distributed in the hope that it will be useful,
11 f5e234d6 2018-05-18 omar.polo * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 f5e234d6 2018-05-18 omar.polo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 f5e234d6 2018-05-18 omar.polo * GNU General Public License for more details.
15 f5e234d6 2018-05-18 omar.polo * You should have received a copy of the GNU General Public License
16 f5e234d6 2018-05-18 omar.polo * along with this program. If not, see <https://www.gnu.org/licenses/>.
19 f5e234d6 2018-05-18 omar.polo #include <stdio.h>
20 f5e234d6 2018-05-18 omar.polo #include <stdlib.h>
21 f5e234d6 2018-05-18 omar.polo #include <string.h> // strdup, strnlen, ...
22 f5e234d6 2018-05-18 omar.polo #include <ctype.h> // isalnum
23 f5e234d6 2018-05-18 omar.polo #include <locale.h> // setlocale
24 f5e234d6 2018-05-18 omar.polo #include <unistd.h>
25 f5e234d6 2018-05-18 omar.polo #include <sysexits.h>
26 f5e234d6 2018-05-18 omar.polo #include <stdbool.h>
27 f5e234d6 2018-05-18 omar.polo #include <limits.h>
28 f5e234d6 2018-05-18 omar.polo #include <errno.h>
30 f5e234d6 2018-05-18 omar.polo #include <X11/Xlib.h>
31 f5e234d6 2018-05-18 omar.polo #include <X11/Xutil.h> // XLookupString
32 f5e234d6 2018-05-18 omar.polo #include <X11/Xresource.h>
33 f5e234d6 2018-05-18 omar.polo #include <X11/Xcms.h> // colors
34 347d23da 2018-05-19 omar.polo #include <X11/keysym.h>
36 f5e234d6 2018-05-18 omar.polo #ifdef USE_XINERAMA
37 f5e234d6 2018-05-18 omar.polo # include <X11/extensions/Xinerama.h>
40 f5e234d6 2018-05-18 omar.polo #define nil NULL
41 347d23da 2018-05-19 omar.polo #define resname "MyMenu"
42 347d23da 2018-05-19 omar.polo #define resclass "mymenu"
44 f5e234d6 2018-05-18 omar.polo #define MIN(X, Y) (((X) < (Y)) ? (X) : (Y))
45 f5e234d6 2018-05-18 omar.polo #define MAX(a, b) ((a) > (b) ? (a) : (b))
46 f5e234d6 2018-05-18 omar.polo #define OVERLAP(a,b,c,d) (((a)==(c) && (b)==(d)) || MIN((a)+(b), (c)+(d)) - MAX((a), (c)) > 0)
47 f5e234d6 2018-05-18 omar.polo #define INTERSECT(x,y,w,h,x1,y1,w1,h1) (OVERLAP((x),(w),(x1),(w1)) && OVERLAP((y),(h),(y1),(h1)))
49 f5e234d6 2018-05-18 omar.polo #define update_completions(cs, text, lines) { \
50 f5e234d6 2018-05-18 omar.polo compl_delete(cs); \
51 f5e234d6 2018-05-18 omar.polo cs = filter(text, lines); \
54 f5e234d6 2018-05-18 omar.polo // TODO: dynamic?
55 f5e234d6 2018-05-18 omar.polo #define MAX_ITEMS 256
57 f5e234d6 2018-05-18 omar.polo #define TODO(s) { \
58 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "TODO! " s "\n"); \
61 f5e234d6 2018-05-18 omar.polo #define cannot_allocate_memory { \
62 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory\n"); \
63 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE); \
66 f5e234d6 2018-05-18 omar.polo #define check_allocation(a) { \
67 f5e234d6 2018-05-18 omar.polo if (a == nil) \
68 f5e234d6 2018-05-18 omar.polo cannot_allocate_memory; \
71 f5e234d6 2018-05-18 omar.polo enum state {LOOPING, OK, ERR};
73 f5e234d6 2018-05-18 omar.polo struct rendering {
74 f5e234d6 2018-05-18 omar.polo Display *d;
75 f5e234d6 2018-05-18 omar.polo Window w;
76 f5e234d6 2018-05-18 omar.polo GC prompt;
77 f5e234d6 2018-05-18 omar.polo GC prompt_bg;
78 f5e234d6 2018-05-18 omar.polo GC completion;
79 f5e234d6 2018-05-18 omar.polo GC completion_bg;
80 f5e234d6 2018-05-18 omar.polo GC completion_highlighted;
81 f5e234d6 2018-05-18 omar.polo GC completion_highlighted_bg;
82 f5e234d6 2018-05-18 omar.polo int width;
83 f5e234d6 2018-05-18 omar.polo int height;
84 347d23da 2018-05-19 omar.polo XFontSet *font;
87 f5e234d6 2018-05-18 omar.polo struct completions {
88 f5e234d6 2018-05-18 omar.polo char *completion;
89 f5e234d6 2018-05-18 omar.polo bool selected;
90 f5e234d6 2018-05-18 omar.polo struct completions *next;
93 f5e234d6 2018-05-18 omar.polo struct completions *compl_new() {
94 f5e234d6 2018-05-18 omar.polo struct completions *c = malloc(sizeof(struct completions));
96 f5e234d6 2018-05-18 omar.polo if (c == nil)
97 f5e234d6 2018-05-18 omar.polo return c;
99 f5e234d6 2018-05-18 omar.polo c->completion = nil;
100 f5e234d6 2018-05-18 omar.polo c->selected = false;
101 f5e234d6 2018-05-18 omar.polo c->next = nil;
102 f5e234d6 2018-05-18 omar.polo return c;
105 f5e234d6 2018-05-18 omar.polo void compl_delete(struct completions *c) {
106 f5e234d6 2018-05-18 omar.polo free(c);
109 347d23da 2018-05-19 omar.polo struct completions *compl_select_next(struct completions *c, bool n) {
110 347d23da 2018-05-19 omar.polo if (c == nil)
111 347d23da 2018-05-19 omar.polo return nil;
112 347d23da 2018-05-19 omar.polo if (n) {
113 347d23da 2018-05-19 omar.polo c->selected = true;
114 347d23da 2018-05-19 omar.polo return c;
117 347d23da 2018-05-19 omar.polo struct completions *orig = c;
118 347d23da 2018-05-19 omar.polo while (c != nil) {
119 347d23da 2018-05-19 omar.polo if (c->selected) {
120 347d23da 2018-05-19 omar.polo c->selected = false;
121 347d23da 2018-05-19 omar.polo if (c->next != nil) {
122 347d23da 2018-05-19 omar.polo // the current one is selected and the next one exists
123 347d23da 2018-05-19 omar.polo c->next->selected = true;
124 347d23da 2018-05-19 omar.polo return c->next;
125 347d23da 2018-05-19 omar.polo } else {
126 347d23da 2018-05-19 omar.polo // the current one is selected and the next one is nill,
127 347d23da 2018-05-19 omar.polo // select the first one
128 347d23da 2018-05-19 omar.polo orig->selected = true;
129 347d23da 2018-05-19 omar.polo return orig;
132 347d23da 2018-05-19 omar.polo c = c->next;
134 347d23da 2018-05-19 omar.polo return nil;
137 347d23da 2018-05-19 omar.polo struct completions *compl_select_prev(struct completions *c, bool n) {
138 347d23da 2018-05-19 omar.polo if (c == nil)
139 347d23da 2018-05-19 omar.polo return nil;
141 347d23da 2018-05-19 omar.polo struct completions *cc = c;
143 347d23da 2018-05-19 omar.polo if (n) // select the last one
144 347d23da 2018-05-19 omar.polo while (cc != nil) {
145 347d23da 2018-05-19 omar.polo if (cc->next == nil) {
146 347d23da 2018-05-19 omar.polo cc->selected = true;
147 347d23da 2018-05-19 omar.polo return cc;
149 347d23da 2018-05-19 omar.polo cc = cc->next;
151 347d23da 2018-05-19 omar.polo else // select the previous one
152 347d23da 2018-05-19 omar.polo while (cc != nil) {
153 347d23da 2018-05-19 omar.polo if (cc->next != nil && cc->next->selected) {
154 347d23da 2018-05-19 omar.polo cc->next->selected = false;
155 347d23da 2018-05-19 omar.polo cc->selected = true;
156 347d23da 2018-05-19 omar.polo return cc;
158 347d23da 2018-05-19 omar.polo cc = cc->next;
161 347d23da 2018-05-19 omar.polo return nil;
164 f5e234d6 2018-05-18 omar.polo struct completions *filter(char *text, char **lines) {
165 f5e234d6 2018-05-18 omar.polo int i = 0;
166 f5e234d6 2018-05-18 omar.polo struct completions *root = compl_new();
167 f5e234d6 2018-05-18 omar.polo struct completions *c = root;
169 f5e234d6 2018-05-18 omar.polo for (;;) {
170 f5e234d6 2018-05-18 omar.polo char *l = lines[i];
171 f5e234d6 2018-05-18 omar.polo if (l == nil)
172 f5e234d6 2018-05-18 omar.polo break;
174 f5e234d6 2018-05-18 omar.polo if (strstr(l, text) != nil) {
175 f5e234d6 2018-05-18 omar.polo c->next = compl_new();
176 f5e234d6 2018-05-18 omar.polo c = c->next;
177 f5e234d6 2018-05-18 omar.polo c->completion = l;
183 f5e234d6 2018-05-18 omar.polo struct completions *r = root->next;
184 f5e234d6 2018-05-18 omar.polo compl_delete(root);
185 f5e234d6 2018-05-18 omar.polo return r;
188 f5e234d6 2018-05-18 omar.polo // push the character c at the end of the string pointed by p
189 f5e234d6 2018-05-18 omar.polo int pushc(char **p, int maxlen, char c) {
190 f5e234d6 2018-05-18 omar.polo int len = strnlen(*p, maxlen);
192 f5e234d6 2018-05-18 omar.polo if (!(len < maxlen -2)) {
193 f5e234d6 2018-05-18 omar.polo maxlen += maxlen >> 1;
194 f5e234d6 2018-05-18 omar.polo char *newptr = realloc(*p, maxlen);
195 f5e234d6 2018-05-18 omar.polo if (newptr == nil) { // bad!
196 f5e234d6 2018-05-18 omar.polo return -1;
198 f5e234d6 2018-05-18 omar.polo *p = newptr;
201 f5e234d6 2018-05-18 omar.polo (*p)[len] = c;
202 f5e234d6 2018-05-18 omar.polo (*p)[len+1] = '\0';
203 f5e234d6 2018-05-18 omar.polo return maxlen;
206 347d23da 2018-05-19 omar.polo int utf8strnlen(char *s, int maxlen) {
207 347d23da 2018-05-19 omar.polo int len = 0;
208 347d23da 2018-05-19 omar.polo while (*s && maxlen > 0) {
209 347d23da 2018-05-19 omar.polo len += (*s++ & 0xc0) != 0x80;
210 347d23da 2018-05-19 omar.polo maxlen--;
212 347d23da 2018-05-19 omar.polo return len;
215 347d23da 2018-05-19 omar.polo // remove the last *glyph* from the *utf8* string!
216 347d23da 2018-05-19 omar.polo // this is different from just setting the last byte to 0 (in some
217 347d23da 2018-05-19 omar.polo // cases ofc). The actual implementation is quite inefficient because
218 347d23da 2018-05-19 omar.polo // it remove the last char until the number of glyphs doesn't change
219 f5e234d6 2018-05-18 omar.polo void popc(char *p, int maxlen) {
220 f5e234d6 2018-05-18 omar.polo int len = strnlen(p, maxlen);
222 347d23da 2018-05-19 omar.polo if (len == 0)
223 347d23da 2018-05-19 omar.polo return;
225 347d23da 2018-05-19 omar.polo int ulen = utf8strnlen(p, maxlen);
226 347d23da 2018-05-19 omar.polo while (len > 0 && utf8strnlen(p, maxlen) == ulen) {
227 347d23da 2018-05-19 omar.polo len--;
228 347d23da 2018-05-19 omar.polo p[len] = 0;
232 f5e234d6 2018-05-18 omar.polo // read an arbitrary long line from stdin and return a pointer to it
233 f5e234d6 2018-05-18 omar.polo // TODO: resize the allocated memory to exactly fit the string once
234 f5e234d6 2018-05-18 omar.polo // read?
235 f5e234d6 2018-05-18 omar.polo char *readline(bool *eof) {
236 f5e234d6 2018-05-18 omar.polo int maxlen = 8;
237 f5e234d6 2018-05-18 omar.polo char *str = calloc(maxlen, sizeof(char));
238 f5e234d6 2018-05-18 omar.polo if (str == nil) {
239 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Cannot allocate memory!\n");
240 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
243 f5e234d6 2018-05-18 omar.polo int c;
244 f5e234d6 2018-05-18 omar.polo while((c = getchar()) != EOF) {
245 f5e234d6 2018-05-18 omar.polo if (c == '\n')
246 f5e234d6 2018-05-18 omar.polo return str;
248 f5e234d6 2018-05-18 omar.polo maxlen = pushc(&str, maxlen, c);
250 f5e234d6 2018-05-18 omar.polo if (maxlen == -1) {
251 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Cannot allocate memory!\n");
252 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
255 f5e234d6 2018-05-18 omar.polo *eof = true;
256 f5e234d6 2018-05-18 omar.polo return str;
259 f5e234d6 2018-05-18 omar.polo int readlines (char **lines) {
260 f5e234d6 2018-05-18 omar.polo bool finished = false;
261 f5e234d6 2018-05-18 omar.polo int n = 0;
262 f5e234d6 2018-05-18 omar.polo while (n < MAX_ITEMS) {
263 f5e234d6 2018-05-18 omar.polo lines[n] = readline(&finished);
265 f5e234d6 2018-05-18 omar.polo if (strlen(lines[n]) == 0 || lines[n][0] == '\n')
266 f5e234d6 2018-05-18 omar.polo --n; // forget about this line
268 f5e234d6 2018-05-18 omar.polo if (finished)
269 f5e234d6 2018-05-18 omar.polo break;
273 f5e234d6 2018-05-18 omar.polo /* for (n = 0; n < MAX_ITEMS -1; ++n) { */
274 f5e234d6 2018-05-18 omar.polo /* lines[n] = readline(&finished); */
275 f5e234d6 2018-05-18 omar.polo /* if (finished) */
276 f5e234d6 2018-05-18 omar.polo /* break; */
277 f5e234d6 2018-05-18 omar.polo /* } */
279 f5e234d6 2018-05-18 omar.polo lines[n] = nil;
280 f5e234d6 2018-05-18 omar.polo return n;
283 f5e234d6 2018-05-18 omar.polo // |------------------|----------------------------------------------|
284 f5e234d6 2018-05-18 omar.polo // | 20 char text | completion | completion | completion | compl |
285 f5e234d6 2018-05-18 omar.polo // |------------------|----------------------------------------------|
286 f5e234d6 2018-05-18 omar.polo void draw(struct rendering *r, char *text, struct completions *cs) {
287 f5e234d6 2018-05-18 omar.polo // TODO: make these dynamic?
288 f5e234d6 2018-05-18 omar.polo int prompt_width = 20; // char
289 f5e234d6 2018-05-18 omar.polo int padding = 10;
290 347d23da 2018-05-19 omar.polo /* int start_at = XTextWidth(r->font, " ", 1) * prompt_width + padding; */
292 347d23da 2018-05-19 omar.polo XRectangle rect;
293 347d23da 2018-05-19 omar.polo int start_at = XmbTextExtents(*r->font, " ", 1, nil, &rect);
294 347d23da 2018-05-19 omar.polo start_at = start_at * prompt_width + padding;
296 347d23da 2018-05-19 omar.polo int texty = (rect.height + r->height) >>1;
298 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, r->prompt_bg, 0, 0, start_at, r->height);
300 f5e234d6 2018-05-18 omar.polo int text_len = strlen(text);
301 f5e234d6 2018-05-18 omar.polo if (text_len > prompt_width)
302 f5e234d6 2018-05-18 omar.polo text = text + (text_len - prompt_width);
303 347d23da 2018-05-19 omar.polo /* XDrawString(r->d, r->w, r->prompt, padding, texty, text, MIN(text_len, prompt_width)); */
304 347d23da 2018-05-19 omar.polo Xutf8DrawString(r->d, r->w, *r->font, r->prompt, padding, texty, text, MIN(text_len, prompt_width));
306 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, r->completion_bg, start_at, 0, r->width, r->height);
308 f5e234d6 2018-05-18 omar.polo while (cs != nil) {
309 f5e234d6 2018-05-18 omar.polo GC g = cs->selected ? r->completion_highlighted : r->completion;
310 f5e234d6 2018-05-18 omar.polo GC h = cs->selected ? r->completion_highlighted_bg : r->completion_bg;
312 f5e234d6 2018-05-18 omar.polo int len = strlen(cs->completion);
313 347d23da 2018-05-19 omar.polo /* int text_width = XTextWidth(r->font, cs->completion, len); */
314 347d23da 2018-05-19 omar.polo int text_width = XmbTextExtents(*r->font, cs->completion, len, nil, nil);
316 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, h, start_at, 0, text_width + padding*2, r->height);
318 347d23da 2018-05-19 omar.polo /* XDrawString(r->d, r->w, g, start_at + padding, texty, cs->completion, len); */
319 347d23da 2018-05-19 omar.polo Xutf8DrawString(r->d, r->w, *r->font, g, start_at + padding, texty, cs->completion, len);
321 f5e234d6 2018-05-18 omar.polo start_at += text_width + padding * 2;
323 f5e234d6 2018-05-18 omar.polo cs = cs->next;
326 f5e234d6 2018-05-18 omar.polo XFlush(r->d);
329 f5e234d6 2018-05-18 omar.polo /* Set some WM stuff */
330 f5e234d6 2018-05-18 omar.polo void set_win_atoms_hints(Display *d, Window w, int width, int height) {
331 f5e234d6 2018-05-18 omar.polo Atom type;
332 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_WINDOW_TYPE_DOCK", false);
333 f5e234d6 2018-05-18 omar.polo XChangeProperty(
336 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_WINDOW_TYPE", false),
337 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
339 f5e234d6 2018-05-18 omar.polo PropModeReplace,
340 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
344 f5e234d6 2018-05-18 omar.polo /* some window managers honor this properties */
345 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_STATE_ABOVE", false);
346 f5e234d6 2018-05-18 omar.polo XChangeProperty(d,
348 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_STATE", false),
349 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
351 f5e234d6 2018-05-18 omar.polo PropModeReplace,
352 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
356 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_STATE_FOCUSED", false);
357 f5e234d6 2018-05-18 omar.polo XChangeProperty(d,
359 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_STATE", false),
360 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
362 f5e234d6 2018-05-18 omar.polo PropModeAppend,
363 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
367 f5e234d6 2018-05-18 omar.polo // setting window hints
368 f5e234d6 2018-05-18 omar.polo XClassHint *class_hint = XAllocClassHint();
369 f5e234d6 2018-05-18 omar.polo if (class_hint == nil) {
370 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory for class hint\n");
371 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
373 f5e234d6 2018-05-18 omar.polo class_hint->res_name = "mymenu";
374 f5e234d6 2018-05-18 omar.polo class_hint->res_class = "mymenu";
375 f5e234d6 2018-05-18 omar.polo XSetClassHint(d, w, class_hint);
376 f5e234d6 2018-05-18 omar.polo XFree(class_hint);
378 f5e234d6 2018-05-18 omar.polo XSizeHints *size_hint = XAllocSizeHints();
379 f5e234d6 2018-05-18 omar.polo if (size_hint == nil) {
380 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory for size hint\n");
381 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
383 f5e234d6 2018-05-18 omar.polo size_hint->min_width = width;
384 f5e234d6 2018-05-18 omar.polo size_hint->base_width = width;
385 f5e234d6 2018-05-18 omar.polo size_hint->min_height = height;
386 f5e234d6 2018-05-18 omar.polo size_hint->base_height = height;
388 f5e234d6 2018-05-18 omar.polo XFlush(d);
391 f5e234d6 2018-05-18 omar.polo void get_wh(Display *d, Window *w, int *width, int *height) {
392 f5e234d6 2018-05-18 omar.polo XWindowAttributes win_attr;
393 f5e234d6 2018-05-18 omar.polo XGetWindowAttributes(d, *w, &win_attr);
394 f5e234d6 2018-05-18 omar.polo *height = win_attr.height;
395 f5e234d6 2018-05-18 omar.polo *width = win_attr.width;
398 f5e234d6 2018-05-18 omar.polo // I know this may seem a little hackish BUT is the only way I managed
399 f5e234d6 2018-05-18 omar.polo // to actually grab that goddam keyboard. Only one call to
400 f5e234d6 2018-05-18 omar.polo // XGrabKeyboard does not always end up with the keyboard grabbed!
401 f5e234d6 2018-05-18 omar.polo int take_keyboard(Display *d, Window w) {
402 686e9237 2018-05-18 omar.polo int i;
403 686e9237 2018-05-18 omar.polo for (i = 0; i < 100; i++) {
404 686e9237 2018-05-18 omar.polo if (XGrabKeyboard(d, w, True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
405 686e9237 2018-05-18 omar.polo return 1;
406 686e9237 2018-05-18 omar.polo usleep(1000);
408 686e9237 2018-05-18 omar.polo return 0;
411 f5e234d6 2018-05-18 omar.polo void release_keyboard(Display *d) {
412 686e9237 2018-05-18 omar.polo XUngrabKeyboard(d, CurrentTime);
415 f5e234d6 2018-05-18 omar.polo int parse_integer(const char *str, int default_value, int max) {
416 f5e234d6 2018-05-18 omar.polo int len = strlen(str);
417 f5e234d6 2018-05-18 omar.polo if (len > 0 && str[len-1] == '%') {
418 f5e234d6 2018-05-18 omar.polo char *cpy = strdup(str);
419 f5e234d6 2018-05-18 omar.polo check_allocation(cpy);
420 f5e234d6 2018-05-18 omar.polo cpy[len-1] = '\0';
421 f5e234d6 2018-05-18 omar.polo int val = parse_integer(cpy, default_value, max);
422 f5e234d6 2018-05-18 omar.polo free(cpy);
423 f5e234d6 2018-05-18 omar.polo return val * max / 100;
426 f5e234d6 2018-05-18 omar.polo errno = 0;
427 f5e234d6 2018-05-18 omar.polo char *ep;
428 f5e234d6 2018-05-18 omar.polo long lval = strtol(str, &ep, 10);
429 f5e234d6 2018-05-18 omar.polo if (str[0] == '\0' || *ep != '\0') { // NaN
430 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "'%s' is not a valid number! Using %d as default.\n", str, default_value);
431 f5e234d6 2018-05-18 omar.polo return default_value;
433 f5e234d6 2018-05-18 omar.polo if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
434 f5e234d6 2018-05-18 omar.polo (lval > INT_MAX || lval < INT_MIN)) {
435 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "%s out of range! Using %d as default.\n", str, default_value);
436 f5e234d6 2018-05-18 omar.polo return default_value;
438 f5e234d6 2018-05-18 omar.polo return lval;
441 f5e234d6 2018-05-18 omar.polo int parse_int_with_middle(const char *str, int default_value, int max, int self) {
442 f5e234d6 2018-05-18 omar.polo if (!strcmp(str, "middle")) {
443 f5e234d6 2018-05-18 omar.polo return (max - self)/2;
445 f5e234d6 2018-05-18 omar.polo return parse_integer(str, default_value, max);
448 f5e234d6 2018-05-18 omar.polo int main() {
449 f5e234d6 2018-05-18 omar.polo char *lines[MAX_ITEMS] = {0};
450 f5e234d6 2018-05-18 omar.polo readlines(lines);
452 f5e234d6 2018-05-18 omar.polo setlocale(LC_ALL, getenv("LANG"));
454 f5e234d6 2018-05-18 omar.polo enum state status = LOOPING;
456 f5e234d6 2018-05-18 omar.polo // where the monitor start (used only with xinerama)
457 f5e234d6 2018-05-18 omar.polo int offset_x = 0;
458 f5e234d6 2018-05-18 omar.polo int offset_y = 0;
460 f5e234d6 2018-05-18 omar.polo // width and height of the window
461 f5e234d6 2018-05-18 omar.polo int width = 400;
462 f5e234d6 2018-05-18 omar.polo int height = 20;
464 f5e234d6 2018-05-18 omar.polo // position on the screen
465 f5e234d6 2018-05-18 omar.polo int x = 0;
466 f5e234d6 2018-05-18 omar.polo int y = 0;
468 f5e234d6 2018-05-18 omar.polo char *fontname = strdup("fixed");
469 f5e234d6 2018-05-18 omar.polo check_allocation(fontname);
471 f5e234d6 2018-05-18 omar.polo int textlen = 10;
472 f5e234d6 2018-05-18 omar.polo char *text = malloc(textlen * sizeof(char));
473 f5e234d6 2018-05-18 omar.polo check_allocation(text);
475 f5e234d6 2018-05-18 omar.polo struct completions *cs = filter(text, lines);
476 f5e234d6 2018-05-18 omar.polo bool nothing_selected = true;
478 f5e234d6 2018-05-18 omar.polo // start talking to xorg
479 f5e234d6 2018-05-18 omar.polo Display *d = XOpenDisplay(nil);
480 f5e234d6 2018-05-18 omar.polo if (d == nil) {
481 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not open display!\n");
482 f5e234d6 2018-05-18 omar.polo return EX_UNAVAILABLE;
485 f5e234d6 2018-05-18 omar.polo // get display size
486 f5e234d6 2018-05-18 omar.polo // XXX: is getting the default root window dimension correct?
487 f5e234d6 2018-05-18 omar.polo XWindowAttributes xwa;
488 f5e234d6 2018-05-18 omar.polo XGetWindowAttributes(d, DefaultRootWindow(d), &xwa);
489 f5e234d6 2018-05-18 omar.polo int d_width = xwa.width;
490 f5e234d6 2018-05-18 omar.polo int d_height = xwa.height;
492 f5e234d6 2018-05-18 omar.polo #ifdef USE_XINERAMA
493 f5e234d6 2018-05-18 omar.polo // TODO: this bit still needs to be improved
494 f5e234d6 2018-05-18 omar.polo if (XineramaIsActive(d)) {
495 f5e234d6 2018-05-18 omar.polo int monitors;
496 f5e234d6 2018-05-18 omar.polo XineramaScreenInfo *info = XineramaQueryScreens(d, &monitors);
497 f5e234d6 2018-05-18 omar.polo if (info)
498 f5e234d6 2018-05-18 omar.polo for (int i = 0; i < monitors; ++i) {
499 f5e234d6 2018-05-18 omar.polo if (INTERSECT(x, y, 1, 1, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) {
500 f5e234d6 2018-05-18 omar.polo offset_x = info[x].x_org;
501 f5e234d6 2018-05-18 omar.polo offset_y = info[y].y_org;
502 f5e234d6 2018-05-18 omar.polo d_width = info[i].width;
503 f5e234d6 2018-05-18 omar.polo d_height = info[i].height;
506 f5e234d6 2018-05-18 omar.polo XFree(info);
508 f5e234d6 2018-05-18 omar.polo #endif
510 f5e234d6 2018-05-18 omar.polo /* fprintf(stderr, "offset_x:\t%d\n" */
511 f5e234d6 2018-05-18 omar.polo /* "offset_y:\t%d\n" */
512 f5e234d6 2018-05-18 omar.polo /* "d_width:\t%d\n" */
513 f5e234d6 2018-05-18 omar.polo /* "d_height:\t%d\n" */
514 f5e234d6 2018-05-18 omar.polo /* , offset_x, offset_y, d_width, d_height); */
516 f5e234d6 2018-05-18 omar.polo Colormap cmap = DefaultColormap(d, DefaultScreen(d));
517 f5e234d6 2018-05-18 omar.polo XColor p_fg, p_bg,
518 f5e234d6 2018-05-18 omar.polo compl_fg, compl_bg,
519 f5e234d6 2018-05-18 omar.polo compl_highlighted_fg, compl_highlighted_bg;
521 f5e234d6 2018-05-18 omar.polo // read resource
522 f5e234d6 2018-05-18 omar.polo XrmInitialize();
523 f5e234d6 2018-05-18 omar.polo char *xrm = XResourceManagerString(d);
524 347d23da 2018-05-19 omar.polo XrmDatabase xdb = nil;
525 f5e234d6 2018-05-18 omar.polo if (xrm != nil) {
526 347d23da 2018-05-19 omar.polo xdb = XrmGetStringDatabase(xrm);
527 f5e234d6 2018-05-18 omar.polo XrmValue value;
528 f5e234d6 2018-05-18 omar.polo char *datatype[20];
530 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.font", "*", datatype, &value) == true) {
531 f5e234d6 2018-05-18 omar.polo fontname = strdup(value.addr);
532 f5e234d6 2018-05-18 omar.polo check_allocation(fontname);
535 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no font defined, using %s\n", fontname);
537 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.width", "*", datatype, &value) == true)
538 f5e234d6 2018-05-18 omar.polo width = parse_integer(value.addr, width, d_width);
540 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no width defined, using %d\n", width);
542 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.height", "*", datatype, &value) == true)
543 f5e234d6 2018-05-18 omar.polo height = parse_integer(value.addr, height, d_height);
545 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no height defined, using %d\n", height);
547 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.x", "*", datatype, &value) == true)
548 f5e234d6 2018-05-18 omar.polo x = parse_int_with_middle(value.addr, x, d_width, width);
550 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no x defined, using %d\n", width);
552 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.y", "*", datatype, &value) == true)
553 f5e234d6 2018-05-18 omar.polo y = parse_int_with_middle(value.addr, y, d_height, height);
555 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no y defined, using %d\n", height);
557 f5e234d6 2018-05-18 omar.polo XColor tmp;
558 f5e234d6 2018-05-18 omar.polo // TODO: tmp needs to be free'd after every allocation?
560 f5e234d6 2018-05-18 omar.polo // prompt
561 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt.foreground", "*", datatype, &value) == true)
562 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &p_fg, &tmp);
564 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &p_fg, &tmp);
566 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt.background", "*", datatype, &value) == true)
567 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &p_bg, &tmp);
569 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &p_bg, &tmp);
571 f5e234d6 2018-05-18 omar.polo // completion
572 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion.foreground", "*", datatype, &value) == true)
573 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_fg, &tmp);
575 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_fg, &tmp);
577 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion.background", "*", datatype, &value) == true)
578 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_bg, &tmp);
580 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_bg, &tmp);
582 f5e234d6 2018-05-18 omar.polo // completion highlighted
583 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion_highlighted.foreground", "*", datatype, &value) == true)
584 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_highlighted_fg, &tmp);
586 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_highlighted_fg, &tmp);
588 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion_highlighted.background", "*", datatype, &value) == true)
589 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_highlighted_bg, &tmp);
591 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_highlighted_bg, &tmp);
592 f5e234d6 2018-05-18 omar.polo } else {
593 f5e234d6 2018-05-18 omar.polo XColor tmp;
594 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &p_fg, &tmp);
595 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &p_bg, &tmp);
596 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_fg, &tmp);
597 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_bg, &tmp);
598 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_highlighted_fg, &tmp);
599 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_highlighted_bg, &tmp);
602 f5e234d6 2018-05-18 omar.polo // load the font
603 347d23da 2018-05-19 omar.polo /* XFontStruct *font = XLoadQueryFont(d, fontname); */
604 347d23da 2018-05-19 omar.polo /* if (font == nil) { */
605 347d23da 2018-05-19 omar.polo /* fprintf(stderr, "Unable to load %s font\n", fontname); */
606 347d23da 2018-05-19 omar.polo /* font = XLoadQueryFont(d, "fixed"); */
607 347d23da 2018-05-19 omar.polo /* } */
608 347d23da 2018-05-19 omar.polo // load the font
609 347d23da 2018-05-19 omar.polo char **missing_charset_list;
610 347d23da 2018-05-19 omar.polo int missing_charset_count;
611 347d23da 2018-05-19 omar.polo XFontSet font = XCreateFontSet(d, fontname, &missing_charset_list, &missing_charset_count, nil);
612 f5e234d6 2018-05-18 omar.polo if (font == nil) {
613 347d23da 2018-05-19 omar.polo fprintf(stderr, "Unable to load the font(s) %s\n", fontname);
614 347d23da 2018-05-19 omar.polo return EX_UNAVAILABLE;
617 f5e234d6 2018-05-18 omar.polo // create the window
618 f5e234d6 2018-05-18 omar.polo XSetWindowAttributes attr;
620 f5e234d6 2018-05-18 omar.polo Window w = XCreateWindow(d, // display
621 f5e234d6 2018-05-18 omar.polo DefaultRootWindow(d), // parent
622 f5e234d6 2018-05-18 omar.polo x + offset_x, y + offset_y, // x y
623 f5e234d6 2018-05-18 omar.polo width, height, // w h
624 f5e234d6 2018-05-18 omar.polo 0, // border width
625 f5e234d6 2018-05-18 omar.polo DefaultDepth(d, DefaultScreen(d)), // depth
626 f5e234d6 2018-05-18 omar.polo InputOutput, // class
627 f5e234d6 2018-05-18 omar.polo DefaultVisual(d, DefaultScreen(d)), // visual
628 f5e234d6 2018-05-18 omar.polo 0, // value mask
629 f5e234d6 2018-05-18 omar.polo &attr);
631 f5e234d6 2018-05-18 omar.polo set_win_atoms_hints(d, w, width, height);
633 f5e234d6 2018-05-18 omar.polo // we want some events
634 f5e234d6 2018-05-18 omar.polo XSelectInput(d, w, StructureNotifyMask | KeyPressMask | KeyReleaseMask | KeymapStateMask);
636 f5e234d6 2018-05-18 omar.polo // make the window appear on the screen
637 f5e234d6 2018-05-18 omar.polo XMapWindow(d, w);
639 f5e234d6 2018-05-18 omar.polo // wait for the MapNotify event (i.e. the event "window rendered")
640 f5e234d6 2018-05-18 omar.polo for (;;) {
641 f5e234d6 2018-05-18 omar.polo XEvent e;
642 f5e234d6 2018-05-18 omar.polo XNextEvent(d, &e);
643 f5e234d6 2018-05-18 omar.polo if (e.type == MapNotify)
644 f5e234d6 2018-05-18 omar.polo break;
647 f5e234d6 2018-05-18 omar.polo // get the *real* width & height after the window was rendered
648 f5e234d6 2018-05-18 omar.polo get_wh(d, &w, &width, &height);
650 f5e234d6 2018-05-18 omar.polo // grab keyboard
651 f5e234d6 2018-05-18 omar.polo take_keyboard(d, w);
653 f5e234d6 2018-05-18 omar.polo // Create some graphics contexts
654 f5e234d6 2018-05-18 omar.polo XGCValues values;
655 347d23da 2018-05-19 omar.polo /* values.font = font->fid; */
657 f5e234d6 2018-05-18 omar.polo struct rendering r = {
658 f5e234d6 2018-05-18 omar.polo .d = d,
659 f5e234d6 2018-05-18 omar.polo .w = w,
660 347d23da 2018-05-19 omar.polo .prompt = XCreateGC(d, w, 0, &values),
661 347d23da 2018-05-19 omar.polo .prompt_bg = XCreateGC(d, w, 0, &values),
662 347d23da 2018-05-19 omar.polo .completion = XCreateGC(d, w, 0, &values),
663 347d23da 2018-05-19 omar.polo .completion_bg = XCreateGC(d, w, 0, &values),
664 347d23da 2018-05-19 omar.polo .completion_highlighted = XCreateGC(d, w, 0, &values),
665 347d23da 2018-05-19 omar.polo .completion_highlighted_bg = XCreateGC(d, w, 0, &values),
666 347d23da 2018-05-19 omar.polo /* .prompt = XCreateGC(d, w, GCFont, &values), */
667 347d23da 2018-05-19 omar.polo /* .prompt_bg = XCreateGC(d, w, GCFont, &values), */
668 347d23da 2018-05-19 omar.polo /* .completion = XCreateGC(d, w, GCFont, &values), */
669 347d23da 2018-05-19 omar.polo /* .completion_bg = XCreateGC(d, w, GCFont, &values), */
670 347d23da 2018-05-19 omar.polo /* .completion_highlighted = XCreateGC(d, w, GCFont, &values), */
671 347d23da 2018-05-19 omar.polo /* .completion_highlighted_bg = XCreateGC(d, w, GCFont, &values), */
672 f5e234d6 2018-05-18 omar.polo .width = width,
673 f5e234d6 2018-05-18 omar.polo .height = height,
674 347d23da 2018-05-19 omar.polo .font = &font
677 f5e234d6 2018-05-18 omar.polo // load the colors in our GCs
678 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.prompt, p_fg.pixel);
679 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.prompt_bg, p_bg.pixel);
680 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion, compl_fg.pixel);
681 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_bg, compl_bg.pixel);
682 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_highlighted, compl_highlighted_fg.pixel);
683 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_highlighted_bg, compl_highlighted_bg.pixel);
685 347d23da 2018-05-19 omar.polo // open the X input method
686 347d23da 2018-05-19 omar.polo XIM xim = XOpenIM(d, xdb, resname, resclass);
687 347d23da 2018-05-19 omar.polo check_allocation(xim);
689 347d23da 2018-05-19 omar.polo XIMStyles *xis = nil;
690 347d23da 2018-05-19 omar.polo if (XGetIMValues(xim, XNQueryInputStyle, &xis, NULL) || !xis) {
691 347d23da 2018-05-19 omar.polo fprintf(stderr, "Input Styles could not be retrieved\n");
692 347d23da 2018-05-19 omar.polo return EX_UNAVAILABLE;
695 347d23da 2018-05-19 omar.polo XIMStyle bestMatchStyle = 0;
696 347d23da 2018-05-19 omar.polo for (int i = 0; i < xis->count_styles; ++i) {
697 347d23da 2018-05-19 omar.polo XIMStyle ts = xis->supported_styles[i];
698 347d23da 2018-05-19 omar.polo if (ts == (XIMPreeditNothing | XIMStatusNothing)) {
699 347d23da 2018-05-19 omar.polo bestMatchStyle = ts;
700 347d23da 2018-05-19 omar.polo break;
703 347d23da 2018-05-19 omar.polo XFree(xis);
705 347d23da 2018-05-19 omar.polo if (!bestMatchStyle) {
706 347d23da 2018-05-19 omar.polo fprintf(stderr, "No matching input style could be determined\n");
709 347d23da 2018-05-19 omar.polo XIC xic = XCreateIC(xim, XNInputStyle, bestMatchStyle, XNClientWindow, w, XNFocusWindow, w, NULL);
710 347d23da 2018-05-19 omar.polo check_allocation(xic);
712 f5e234d6 2018-05-18 omar.polo // draw the window for the first time
713 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
715 f5e234d6 2018-05-18 omar.polo // main loop
716 f5e234d6 2018-05-18 omar.polo while (status == LOOPING) {
717 f5e234d6 2018-05-18 omar.polo XEvent e;
718 f5e234d6 2018-05-18 omar.polo XNextEvent(d, &e);
720 347d23da 2018-05-19 omar.polo if (XFilterEvent(&e, w))
721 347d23da 2018-05-19 omar.polo continue;
723 f5e234d6 2018-05-18 omar.polo switch (e.type) {
724 f5e234d6 2018-05-18 omar.polo case KeymapNotify:
725 f5e234d6 2018-05-18 omar.polo XRefreshKeyboardMapping(&e.xmapping);
726 f5e234d6 2018-05-18 omar.polo break;
728 f5e234d6 2018-05-18 omar.polo case KeyRelease: break; // ignore this
730 347d23da 2018-05-19 omar.polo case KeyPress: {
731 347d23da 2018-05-19 omar.polo XKeyPressedEvent *ev = (XKeyPressedEvent*)&e;
733 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Tab)) {
734 347d23da 2018-05-19 omar.polo bool shift = (ev->state & ShiftMask);
735 347d23da 2018-05-19 omar.polo struct completions *n = shift ? compl_select_prev(cs, nothing_selected)
736 347d23da 2018-05-19 omar.polo : compl_select_next(cs, nothing_selected);
737 347d23da 2018-05-19 omar.polo if (n != nil) {
738 347d23da 2018-05-19 omar.polo nothing_selected = false;
739 347d23da 2018-05-19 omar.polo free(text);
740 347d23da 2018-05-19 omar.polo text = strdup(n->completion);
741 347d23da 2018-05-19 omar.polo if (text == nil) {
742 347d23da 2018-05-19 omar.polo fprintf(stderr, "Memory allocation error!\n");
743 347d23da 2018-05-19 omar.polo status = ERR;
744 347d23da 2018-05-19 omar.polo break;
746 347d23da 2018-05-19 omar.polo textlen = strlen(text);
748 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
749 f5e234d6 2018-05-18 omar.polo break;
752 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_BackSpace)) {
753 f5e234d6 2018-05-18 omar.polo nothing_selected = true;
754 f5e234d6 2018-05-18 omar.polo popc(text, textlen);
755 f5e234d6 2018-05-18 omar.polo update_completions(cs, text, lines);
756 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
757 f5e234d6 2018-05-18 omar.polo break;
760 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Return)) {
761 347d23da 2018-05-19 omar.polo status = OK;
762 347d23da 2018-05-19 omar.polo break;
765 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Escape)) {
766 347d23da 2018-05-19 omar.polo status = ERR;
767 347d23da 2018-05-19 omar.polo break;
770 347d23da 2018-05-19 omar.polo // try to read what the user pressed
771 347d23da 2018-05-19 omar.polo int symbol = 0;
772 347d23da 2018-05-19 omar.polo Status s = 0;
773 347d23da 2018-05-19 omar.polo Xutf8LookupString(xic, ev, (char*)&symbol, 4, 0, &s);
775 347d23da 2018-05-19 omar.polo if (s == XBufferOverflow) {
776 347d23da 2018-05-19 omar.polo // should not happen since there are no utf-8 characters
777 347d23da 2018-05-19 omar.polo // larger than 24bits, but is something to be aware of when
778 347d23da 2018-05-19 omar.polo // used to directly write to a string buffer
779 347d23da 2018-05-19 omar.polo fprintf(stderr, "Buffer overflow when trying to create keyboard symbol map.\n");
780 347d23da 2018-05-19 omar.polo break;
782 347d23da 2018-05-19 omar.polo char *str = (char*)&symbol;
784 347d23da 2018-05-19 omar.polo if (ev->state & ControlMask) {
785 347d23da 2018-05-19 omar.polo // check for some key bindings
786 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-u
787 f5e234d6 2018-05-18 omar.polo nothing_selected = true;
788 347d23da 2018-05-19 omar.polo for (int i = 0; i < textlen; ++i)
789 347d23da 2018-05-19 omar.polo text[i] = 0;
790 f5e234d6 2018-05-18 omar.polo update_completions(cs, text, lines);
792 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-h
793 347d23da 2018-05-19 omar.polo nothing_selected = true;
794 347d23da 2018-05-19 omar.polo popc(text, textlen);
795 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
797 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-w
798 347d23da 2018-05-19 omar.polo nothing_selected = true;
800 347d23da 2018-05-19 omar.polo // `textlen` is the length of the allocated string, not the
801 347d23da 2018-05-19 omar.polo // length of the ACTUAL string
802 347d23da 2018-05-19 omar.polo int p = strlen(text) - 1;
803 347d23da 2018-05-19 omar.polo if (p >= 0) { // delete the current char
804 347d23da 2018-05-19 omar.polo text[p] = 0;
807 347d23da 2018-05-19 omar.polo while (p >= 0 && isalnum(text[p])) {
808 347d23da 2018-05-19 omar.polo text[p] = 0;
811 347d23da 2018-05-19 omar.polo // erase also trailing white space
812 347d23da 2018-05-19 omar.polo while (p >= 0 && isspace(text[p])) {
813 347d23da 2018-05-19 omar.polo text[p] = 0;
816 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
818 347d23da 2018-05-19 omar.polo if (!strcmp(str, "\r")) { // C-m
819 347d23da 2018-05-19 omar.polo status = OK;
821 347d23da 2018-05-19 omar.polo draw(&r, text, cs);
822 f5e234d6 2018-05-18 omar.polo break;
825 347d23da 2018-05-19 omar.polo int str_len = strlen(str);
826 347d23da 2018-05-19 omar.polo for (int i = 0; i < str_len; ++i) {
827 347d23da 2018-05-19 omar.polo textlen = pushc(&text, textlen, str[i]);
828 347d23da 2018-05-19 omar.polo if (textlen == -1) {
829 347d23da 2018-05-19 omar.polo fprintf(stderr, "Memory allocation error\n");
830 347d23da 2018-05-19 omar.polo status = ERR;
831 347d23da 2018-05-19 omar.polo break;
833 347d23da 2018-05-19 omar.polo nothing_selected = true;
834 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
838 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
839 f5e234d6 2018-05-18 omar.polo break;
841 f5e234d6 2018-05-18 omar.polo default:
842 347d23da 2018-05-19 omar.polo fprintf(stderr, "Unknown event %d\n", e.type);
846 f5e234d6 2018-05-18 omar.polo release_keyboard(d);
848 f5e234d6 2018-05-18 omar.polo if (status == OK)
849 f5e234d6 2018-05-18 omar.polo printf("%s\n", text);
851 f5e234d6 2018-05-18 omar.polo free(fontname);
852 f5e234d6 2018-05-18 omar.polo free(text);
853 f5e234d6 2018-05-18 omar.polo compl_delete(cs);
855 f5e234d6 2018-05-18 omar.polo /* XDestroyWindow(d, w); */
856 f5e234d6 2018-05-18 omar.polo XCloseDisplay(d);
858 f5e234d6 2018-05-18 omar.polo return status == OK ? 0 : 1;
