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 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
41 c9a3bfaa 2018-05-21 omar.polo # include <X11/Xft/Xft.h>
44 f5e234d6 2018-05-18 omar.polo #define nil NULL
45 347d23da 2018-05-19 omar.polo #define resname "MyMenu"
46 347d23da 2018-05-19 omar.polo #define resclass "mymenu"
48 9e94fcbe 2018-05-22 omar.polo #ifdef USE_XFT
49 9e94fcbe 2018-05-22 omar.polo # define default_fontname "monospace"
51 9e94fcbe 2018-05-22 omar.polo # define default_fontname "fixed"
54 9e94fcbe 2018-05-22 omar.polo #define MIN(a, b) ((a) < (b) ? (a) : (b))
55 f5e234d6 2018-05-18 omar.polo #define MAX(a, b) ((a) > (b) ? (a) : (b))
57 9e94fcbe 2018-05-22 omar.polo // If we don't have it or we don't want an "ignore case" completion
58 9e94fcbe 2018-05-22 omar.polo // style, fall back to `strstr(3)`
59 9e94fcbe 2018-05-22 omar.polo #ifndef USE_STRCASESTR
60 9e94fcbe 2018-05-22 omar.polo #define strcasestr strstr
63 f5e234d6 2018-05-18 omar.polo #define update_completions(cs, text, lines) { \
64 f5e234d6 2018-05-18 omar.polo compl_delete(cs); \
65 f5e234d6 2018-05-18 omar.polo cs = filter(text, lines); \
68 95b27a5e 2018-05-19 omar.polo #define INITIAL_ITEMS 64
70 f5e234d6 2018-05-18 omar.polo #define cannot_allocate_memory { \
71 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory\n"); \
72 9e94fcbe 2018-05-22 omar.polo abort(); \
75 f5e234d6 2018-05-18 omar.polo #define check_allocation(a) { \
76 f5e234d6 2018-05-18 omar.polo if (a == nil) \
77 f5e234d6 2018-05-18 omar.polo cannot_allocate_memory; \
80 f5e234d6 2018-05-18 omar.polo enum state {LOOPING, OK, ERR};
82 c9a3bfaa 2018-05-21 omar.polo enum text_type {PROMPT, COMPL, COMPL_HIGH};
84 f5e234d6 2018-05-18 omar.polo struct rendering {
85 f5e234d6 2018-05-18 omar.polo Display *d;
86 f5e234d6 2018-05-18 omar.polo Window w;
87 f5e234d6 2018-05-18 omar.polo GC prompt;
88 f5e234d6 2018-05-18 omar.polo GC prompt_bg;
89 f5e234d6 2018-05-18 omar.polo GC completion;
90 f5e234d6 2018-05-18 omar.polo GC completion_bg;
91 f5e234d6 2018-05-18 omar.polo GC completion_highlighted;
92 f5e234d6 2018-05-18 omar.polo GC completion_highlighted_bg;
93 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
94 c9a3bfaa 2018-05-21 omar.polo XftDraw *xftdraw;
95 c9a3bfaa 2018-05-21 omar.polo XftColor xft_prompt;
96 c9a3bfaa 2018-05-21 omar.polo XftColor xft_completion;
97 c9a3bfaa 2018-05-21 omar.polo XftColor xft_completion_highlighted;
98 c9a3bfaa 2018-05-21 omar.polo XftFont *font;
100 c9a3bfaa 2018-05-21 omar.polo XFontSet *font;
101 c9a3bfaa 2018-05-21 omar.polo #endif
102 f5e234d6 2018-05-18 omar.polo int width;
103 f5e234d6 2018-05-18 omar.polo int height;
104 36a15a9f 2018-05-19 omar.polo bool horizontal_layout;
105 8758854a 2018-05-20 omar.polo char *ps1;
106 8758854a 2018-05-20 omar.polo int ps1len;
109 f5e234d6 2018-05-18 omar.polo struct completions {
110 f5e234d6 2018-05-18 omar.polo char *completion;
111 f5e234d6 2018-05-18 omar.polo bool selected;
112 f5e234d6 2018-05-18 omar.polo struct completions *next;
115 f5e234d6 2018-05-18 omar.polo struct completions *compl_new() {
116 f5e234d6 2018-05-18 omar.polo struct completions *c = malloc(sizeof(struct completions));
118 f5e234d6 2018-05-18 omar.polo if (c == nil)
119 f5e234d6 2018-05-18 omar.polo return c;
121 f5e234d6 2018-05-18 omar.polo c->completion = nil;
122 f5e234d6 2018-05-18 omar.polo c->selected = false;
123 f5e234d6 2018-05-18 omar.polo c->next = nil;
124 f5e234d6 2018-05-18 omar.polo return c;
127 f5e234d6 2018-05-18 omar.polo void compl_delete(struct completions *c) {
128 f5e234d6 2018-05-18 omar.polo free(c);
131 347d23da 2018-05-19 omar.polo struct completions *compl_select_next(struct completions *c, bool n) {
132 347d23da 2018-05-19 omar.polo if (c == nil)
133 347d23da 2018-05-19 omar.polo return nil;
134 347d23da 2018-05-19 omar.polo if (n) {
135 347d23da 2018-05-19 omar.polo c->selected = true;
136 347d23da 2018-05-19 omar.polo return c;
139 347d23da 2018-05-19 omar.polo struct completions *orig = c;
140 347d23da 2018-05-19 omar.polo while (c != nil) {
141 347d23da 2018-05-19 omar.polo if (c->selected) {
142 347d23da 2018-05-19 omar.polo c->selected = false;
143 347d23da 2018-05-19 omar.polo if (c->next != nil) {
144 347d23da 2018-05-19 omar.polo // the current one is selected and the next one exists
145 347d23da 2018-05-19 omar.polo c->next->selected = true;
146 347d23da 2018-05-19 omar.polo return c->next;
147 347d23da 2018-05-19 omar.polo } else {
148 347d23da 2018-05-19 omar.polo // the current one is selected and the next one is nill,
149 347d23da 2018-05-19 omar.polo // select the first one
150 347d23da 2018-05-19 omar.polo orig->selected = true;
151 347d23da 2018-05-19 omar.polo return orig;
154 347d23da 2018-05-19 omar.polo c = c->next;
156 347d23da 2018-05-19 omar.polo return nil;
159 347d23da 2018-05-19 omar.polo struct completions *compl_select_prev(struct completions *c, bool n) {
160 347d23da 2018-05-19 omar.polo if (c == nil)
161 347d23da 2018-05-19 omar.polo return nil;
163 347d23da 2018-05-19 omar.polo struct completions *cc = c;
165 347d23da 2018-05-19 omar.polo if (n) // select the last one
166 347d23da 2018-05-19 omar.polo while (cc != nil) {
167 347d23da 2018-05-19 omar.polo if (cc->next == nil) {
168 347d23da 2018-05-19 omar.polo cc->selected = true;
169 347d23da 2018-05-19 omar.polo return cc;
171 347d23da 2018-05-19 omar.polo cc = cc->next;
173 347d23da 2018-05-19 omar.polo else // select the previous one
174 347d23da 2018-05-19 omar.polo while (cc != nil) {
175 347d23da 2018-05-19 omar.polo if (cc->next != nil && cc->next->selected) {
176 347d23da 2018-05-19 omar.polo cc->next->selected = false;
177 347d23da 2018-05-19 omar.polo cc->selected = true;
178 347d23da 2018-05-19 omar.polo return cc;
180 347d23da 2018-05-19 omar.polo cc = cc->next;
183 347d23da 2018-05-19 omar.polo return nil;
186 f5e234d6 2018-05-18 omar.polo struct completions *filter(char *text, char **lines) {
187 f5e234d6 2018-05-18 omar.polo int i = 0;
188 f5e234d6 2018-05-18 omar.polo struct completions *root = compl_new();
189 f5e234d6 2018-05-18 omar.polo struct completions *c = root;
191 f5e234d6 2018-05-18 omar.polo for (;;) {
192 f5e234d6 2018-05-18 omar.polo char *l = lines[i];
193 f5e234d6 2018-05-18 omar.polo if (l == nil)
194 f5e234d6 2018-05-18 omar.polo break;
196 9e94fcbe 2018-05-22 omar.polo if (strcasestr(l, text) != nil) {
197 f5e234d6 2018-05-18 omar.polo c->next = compl_new();
198 f5e234d6 2018-05-18 omar.polo c = c->next;
199 f5e234d6 2018-05-18 omar.polo c->completion = l;
205 f5e234d6 2018-05-18 omar.polo struct completions *r = root->next;
206 f5e234d6 2018-05-18 omar.polo compl_delete(root);
207 f5e234d6 2018-05-18 omar.polo return r;
210 f5e234d6 2018-05-18 omar.polo // push the character c at the end of the string pointed by p
211 f5e234d6 2018-05-18 omar.polo int pushc(char **p, int maxlen, char c) {
212 f5e234d6 2018-05-18 omar.polo int len = strnlen(*p, maxlen);
214 f5e234d6 2018-05-18 omar.polo if (!(len < maxlen -2)) {
215 f5e234d6 2018-05-18 omar.polo maxlen += maxlen >> 1;
216 f5e234d6 2018-05-18 omar.polo char *newptr = realloc(*p, maxlen);
217 f5e234d6 2018-05-18 omar.polo if (newptr == nil) { // bad!
218 f5e234d6 2018-05-18 omar.polo return -1;
220 f5e234d6 2018-05-18 omar.polo *p = newptr;
223 f5e234d6 2018-05-18 omar.polo (*p)[len] = c;
224 f5e234d6 2018-05-18 omar.polo (*p)[len+1] = '\0';
225 f5e234d6 2018-05-18 omar.polo return maxlen;
228 347d23da 2018-05-19 omar.polo int utf8strnlen(char *s, int maxlen) {
229 347d23da 2018-05-19 omar.polo int len = 0;
230 347d23da 2018-05-19 omar.polo while (*s && maxlen > 0) {
231 347d23da 2018-05-19 omar.polo len += (*s++ & 0xc0) != 0x80;
232 347d23da 2018-05-19 omar.polo maxlen--;
234 347d23da 2018-05-19 omar.polo return len;
237 347d23da 2018-05-19 omar.polo // remove the last *glyph* from the *utf8* string!
238 347d23da 2018-05-19 omar.polo // this is different from just setting the last byte to 0 (in some
239 347d23da 2018-05-19 omar.polo // cases ofc). The actual implementation is quite inefficient because
240 347d23da 2018-05-19 omar.polo // it remove the last char until the number of glyphs doesn't change
241 f5e234d6 2018-05-18 omar.polo void popc(char *p, int maxlen) {
242 f5e234d6 2018-05-18 omar.polo int len = strnlen(p, maxlen);
244 347d23da 2018-05-19 omar.polo if (len == 0)
245 347d23da 2018-05-19 omar.polo return;
247 347d23da 2018-05-19 omar.polo int ulen = utf8strnlen(p, maxlen);
248 347d23da 2018-05-19 omar.polo while (len > 0 && utf8strnlen(p, maxlen) == ulen) {
249 347d23da 2018-05-19 omar.polo len--;
250 347d23da 2018-05-19 omar.polo p[len] = 0;
254 8758854a 2018-05-20 omar.polo // If the string is surrounded by quotes (`"`) remove them and replace
255 8758854a 2018-05-20 omar.polo // every `\"` in the string with `"`
256 8758854a 2018-05-20 omar.polo char *normalize_str(const char *str) {
257 8758854a 2018-05-20 omar.polo int len = strlen(str);
258 8758854a 2018-05-20 omar.polo if (len == 0)
259 8758854a 2018-05-20 omar.polo return nil;
261 8758854a 2018-05-20 omar.polo char *s = calloc(len, sizeof(char));
262 8758854a 2018-05-20 omar.polo check_allocation(s);
263 8758854a 2018-05-20 omar.polo int p = 0;
264 8758854a 2018-05-20 omar.polo while (*str) {
265 8758854a 2018-05-20 omar.polo char c = *str;
266 8758854a 2018-05-20 omar.polo if (*str == '\\') {
267 8758854a 2018-05-20 omar.polo if (*(str + 1)) {
268 8758854a 2018-05-20 omar.polo s[p] = *(str + 1);
270 8758854a 2018-05-20 omar.polo str += 2; // skip this and the next char
271 8758854a 2018-05-20 omar.polo continue;
272 8758854a 2018-05-20 omar.polo } else {
273 8758854a 2018-05-20 omar.polo break;
276 8758854a 2018-05-20 omar.polo if (c == '"') {
277 8758854a 2018-05-20 omar.polo str++; // skip only this char
278 8758854a 2018-05-20 omar.polo continue;
280 8758854a 2018-05-20 omar.polo s[p] = c;
282 8758854a 2018-05-20 omar.polo str++;
284 8758854a 2018-05-20 omar.polo return s;
287 f5e234d6 2018-05-18 omar.polo // read an arbitrary long line from stdin and return a pointer to it
288 f5e234d6 2018-05-18 omar.polo // TODO: resize the allocated memory to exactly fit the string once
289 f5e234d6 2018-05-18 omar.polo // read?
290 f5e234d6 2018-05-18 omar.polo char *readline(bool *eof) {
291 f5e234d6 2018-05-18 omar.polo int maxlen = 8;
292 f5e234d6 2018-05-18 omar.polo char *str = calloc(maxlen, sizeof(char));
293 f5e234d6 2018-05-18 omar.polo if (str == nil) {
294 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Cannot allocate memory!\n");
295 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
298 f5e234d6 2018-05-18 omar.polo int c;
299 f5e234d6 2018-05-18 omar.polo while((c = getchar()) != EOF) {
300 f5e234d6 2018-05-18 omar.polo if (c == '\n')
301 f5e234d6 2018-05-18 omar.polo return str;
303 f5e234d6 2018-05-18 omar.polo maxlen = pushc(&str, maxlen, c);
305 f5e234d6 2018-05-18 omar.polo if (maxlen == -1) {
306 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Cannot allocate memory!\n");
307 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
310 f5e234d6 2018-05-18 omar.polo *eof = true;
311 f5e234d6 2018-05-18 omar.polo return str;
314 95b27a5e 2018-05-19 omar.polo int readlines (char ***lns, int items) {
315 f5e234d6 2018-05-18 omar.polo bool finished = false;
316 f5e234d6 2018-05-18 omar.polo int n = 0;
317 95b27a5e 2018-05-19 omar.polo char **lines = *lns;
318 95b27a5e 2018-05-19 omar.polo while (true) {
319 f5e234d6 2018-05-18 omar.polo lines[n] = readline(&finished);
321 6da98882 2018-05-20 omar.polo if (strlen(lines[n]) == 0 || lines[n][0] == '\n') {
322 6da98882 2018-05-20 omar.polo free(lines[n]);
323 f5e234d6 2018-05-18 omar.polo --n; // forget about this line
326 f5e234d6 2018-05-18 omar.polo if (finished)
327 f5e234d6 2018-05-18 omar.polo break;
331 95b27a5e 2018-05-19 omar.polo if (n == items - 1) {
332 95b27a5e 2018-05-19 omar.polo items += items >>1;
333 95b27a5e 2018-05-19 omar.polo char **l = realloc(lines, sizeof(char*) * items);
334 95b27a5e 2018-05-19 omar.polo check_allocation(l);
335 95b27a5e 2018-05-19 omar.polo *lns = l;
336 95b27a5e 2018-05-19 omar.polo lines = l;
341 f5e234d6 2018-05-18 omar.polo lines[n] = nil;
342 95b27a5e 2018-05-19 omar.polo return items;
345 c9a3bfaa 2018-05-21 omar.polo int text_extents(char *str, int len, struct rendering *r, int *ret_width, int *ret_height) {
346 c9a3bfaa 2018-05-21 omar.polo int height;
347 c9a3bfaa 2018-05-21 omar.polo int width;
348 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
349 c9a3bfaa 2018-05-21 omar.polo XGlyphInfo gi;
350 c9a3bfaa 2018-05-21 omar.polo XftTextExtentsUtf8(r->d, r->font, str, len, &gi);
351 c9a3bfaa 2018-05-21 omar.polo height = (r->font->ascent - r->font->descent)/2;
352 c9a3bfaa 2018-05-21 omar.polo width = gi.width - gi.x;
354 c9a3bfaa 2018-05-21 omar.polo XRectangle rect;
355 c9a3bfaa 2018-05-21 omar.polo XmbTextExtents(*r->font, str, len, nil, &rect);
356 c9a3bfaa 2018-05-21 omar.polo height = rect.height;
357 c9a3bfaa 2018-05-21 omar.polo width = rect.width;
358 c9a3bfaa 2018-05-21 omar.polo #endif
359 c9a3bfaa 2018-05-21 omar.polo if (ret_width != nil) *ret_width = width;
360 c9a3bfaa 2018-05-21 omar.polo if (ret_height != nil) *ret_height = height;
361 c9a3bfaa 2018-05-21 omar.polo return width;
364 c9a3bfaa 2018-05-21 omar.polo void draw_string(char *str, int len, int x, int y, struct rendering *r, enum text_type tt) {
365 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
366 c9a3bfaa 2018-05-21 omar.polo XftColor xftcolor;
367 c9a3bfaa 2018-05-21 omar.polo if (tt == PROMPT) xftcolor = r->xft_prompt;
368 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL) xftcolor = r->xft_completion;
369 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL_HIGH) xftcolor = r->xft_completion_highlighted;
371 c9a3bfaa 2018-05-21 omar.polo XftDrawStringUtf8(r->xftdraw, &xftcolor, r->font, x, y, str, len);
373 c9a3bfaa 2018-05-21 omar.polo GC gc;
374 c9a3bfaa 2018-05-21 omar.polo if (tt == PROMPT) gc = r->prompt;
375 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL) gc = r->completion;
376 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL_HIGH) gc = r->completion_highlighted;
377 c9a3bfaa 2018-05-21 omar.polo Xutf8DrawString(r->d, r->w, *r->font, gc, x, y, str, len);
378 c9a3bfaa 2018-05-21 omar.polo #endif
381 c9a3bfaa 2018-05-21 omar.polo char *strdupn(char *str) {
382 c9a3bfaa 2018-05-21 omar.polo int len = strlen(str);
384 c9a3bfaa 2018-05-21 omar.polo if (str == nil || len == 0)
385 c9a3bfaa 2018-05-21 omar.polo return nil;
387 c9a3bfaa 2018-05-21 omar.polo char *dup = strdup(str);
388 c9a3bfaa 2018-05-21 omar.polo if (dup == nil)
389 c9a3bfaa 2018-05-21 omar.polo return nil;
391 c9a3bfaa 2018-05-21 omar.polo for (int i = 0; i < len; ++i)
392 c9a3bfaa 2018-05-21 omar.polo if (dup[i] == ' ')
393 c9a3bfaa 2018-05-21 omar.polo dup[i] = 'n';
395 c9a3bfaa 2018-05-21 omar.polo return dup;
398 f5e234d6 2018-05-18 omar.polo // |------------------|----------------------------------------------|
399 f5e234d6 2018-05-18 omar.polo // | 20 char text | completion | completion | completion | compl |
400 f5e234d6 2018-05-18 omar.polo // |------------------|----------------------------------------------|
401 36a15a9f 2018-05-19 omar.polo void draw_horizontally(struct rendering *r, char *text, struct completions *cs) {
402 f5e234d6 2018-05-18 omar.polo // TODO: make these dynamic?
403 f5e234d6 2018-05-18 omar.polo int prompt_width = 20; // char
404 f5e234d6 2018-05-18 omar.polo int padding = 10;
406 c9a3bfaa 2018-05-21 omar.polo int width, height;
407 c9a3bfaa 2018-05-21 omar.polo char *ps1_dup = strdupn(r->ps1);
408 c9a3bfaa 2018-05-21 omar.polo ps1_dup = ps1_dup == nil ? r->ps1 : ps1_dup;
409 c9a3bfaa 2018-05-21 omar.polo int ps1xlen = text_extents(ps1_dup, r->ps1len, r, &width, &height);
410 c9a3bfaa 2018-05-21 omar.polo free(ps1_dup);
411 8758854a 2018-05-20 omar.polo int start_at = ps1xlen;
413 c9a3bfaa 2018-05-21 omar.polo start_at = text_extents("n", 1, r, nil, nil);
414 347d23da 2018-05-19 omar.polo start_at = start_at * prompt_width + padding;
416 c9a3bfaa 2018-05-21 omar.polo int texty = (height + r->height) >>1;
418 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, r->prompt_bg, 0, 0, start_at, r->height);
420 f5e234d6 2018-05-18 omar.polo int text_len = strlen(text);
421 f5e234d6 2018-05-18 omar.polo if (text_len > prompt_width)
422 f5e234d6 2018-05-18 omar.polo text = text + (text_len - prompt_width);
423 c9a3bfaa 2018-05-21 omar.polo draw_string(r->ps1, r->ps1len, padding, texty, r, PROMPT);
424 c9a3bfaa 2018-05-21 omar.polo draw_string(text, MIN(text_len, prompt_width), padding + ps1xlen, texty, r, PROMPT);
426 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, r->completion_bg, start_at, 0, r->width, r->height);
428 f5e234d6 2018-05-18 omar.polo while (cs != nil) {
429 c9a3bfaa 2018-05-21 omar.polo enum text_type tt = cs->selected ? COMPL_HIGH : COMPL;
430 f5e234d6 2018-05-18 omar.polo GC h = cs->selected ? r->completion_highlighted_bg : r->completion_bg;
432 f5e234d6 2018-05-18 omar.polo int len = strlen(cs->completion);
433 c9a3bfaa 2018-05-21 omar.polo int text_width = text_extents(cs->completion, len, r, nil, nil);
435 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, h, start_at, 0, text_width + padding*2, r->height);
437 c9a3bfaa 2018-05-21 omar.polo draw_string(cs->completion, len, start_at + padding, texty, r, tt);
439 f5e234d6 2018-05-18 omar.polo start_at += text_width + padding * 2;
441 0ee198aa 2018-05-19 omar.polo if (start_at > r->width)
442 0ee198aa 2018-05-19 omar.polo break; // don't draw completion if the space isn't enough
444 f5e234d6 2018-05-18 omar.polo cs = cs->next;
447 f5e234d6 2018-05-18 omar.polo XFlush(r->d);
450 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
451 36a15a9f 2018-05-19 omar.polo // | prompt |
452 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
453 36a15a9f 2018-05-19 omar.polo // | completion |
454 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
455 36a15a9f 2018-05-19 omar.polo // | completion |
456 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
457 36a15a9f 2018-05-19 omar.polo // TODO: dunno why but in the call to Xutf8DrawString, by logic,
458 36a15a9f 2018-05-19 omar.polo // should be padding and not padding*2, but the text doesn't seem to
459 36a15a9f 2018-05-19 omar.polo // be vertically centered otherwise....
460 36a15a9f 2018-05-19 omar.polo void draw_vertically(struct rendering *r, char *text, struct completions *cs) {
461 36a15a9f 2018-05-19 omar.polo int padding = 10; // TODO make this dynamic
463 c9a3bfaa 2018-05-21 omar.polo int height, width;
464 c9a3bfaa 2018-05-21 omar.polo text_extents("fjpgl", 5, r, &width, &height);
465 c9a3bfaa 2018-05-21 omar.polo int start_at = height + padding*2;
467 36a15a9f 2018-05-19 omar.polo XFillRectangle(r->d, r->w, r->completion_bg, 0, 0, r->width, r->height);
468 36a15a9f 2018-05-19 omar.polo XFillRectangle(r->d, r->w, r->prompt_bg, 0, 0, r->width, start_at);
470 c9a3bfaa 2018-05-21 omar.polo char *ps1_dup = strdupn(r->ps1);
471 c9a3bfaa 2018-05-21 omar.polo ps1_dup = ps1_dup == nil ? r->ps1 : ps1_dup;
472 c9a3bfaa 2018-05-21 omar.polo int ps1xlen = text_extents(ps1_dup, r->ps1len, r, nil, nil);
473 c9a3bfaa 2018-05-21 omar.polo free(ps1_dup);
475 c9a3bfaa 2018-05-21 omar.polo draw_string(r->ps1, r->ps1len, padding, padding*2, r, PROMPT);
476 c9a3bfaa 2018-05-21 omar.polo draw_string(text, strlen(text), padding + ps1xlen, padding*2, r, PROMPT);
478 36a15a9f 2018-05-19 omar.polo while (cs != nil) {
479 c9a3bfaa 2018-05-21 omar.polo enum text_type tt = cs->selected ? COMPL_HIGH : COMPL;
480 36a15a9f 2018-05-19 omar.polo GC h = cs->selected ? r->completion_highlighted_bg : r->completion_bg;
482 36a15a9f 2018-05-19 omar.polo int len = strlen(cs->completion);
483 c9a3bfaa 2018-05-21 omar.polo text_extents(cs->completion, len, r, &width, &height);
484 c9a3bfaa 2018-05-21 omar.polo XFillRectangle(r->d, r->w, h, 0, start_at, r->width, height + padding*2);
485 c9a3bfaa 2018-05-21 omar.polo draw_string(cs->completion, len, padding, start_at + padding*2, r, tt);
487 c9a3bfaa 2018-05-21 omar.polo start_at += height + padding *2;
489 0ee198aa 2018-05-19 omar.polo if (start_at > r->height)
490 0ee198aa 2018-05-19 omar.polo break; // don't draw completion if the space isn't enough
492 36a15a9f 2018-05-19 omar.polo cs = cs->next;
495 36a15a9f 2018-05-19 omar.polo XFlush(r->d);
498 36a15a9f 2018-05-19 omar.polo void draw(struct rendering *r, char *text, struct completions *cs) {
499 36a15a9f 2018-05-19 omar.polo if (r->horizontal_layout)
500 36a15a9f 2018-05-19 omar.polo draw_horizontally(r, text, cs);
502 36a15a9f 2018-05-19 omar.polo draw_vertically(r, text, cs);
505 f5e234d6 2018-05-18 omar.polo /* Set some WM stuff */
506 f5e234d6 2018-05-18 omar.polo void set_win_atoms_hints(Display *d, Window w, int width, int height) {
507 f5e234d6 2018-05-18 omar.polo Atom type;
508 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_WINDOW_TYPE_DOCK", false);
509 f5e234d6 2018-05-18 omar.polo XChangeProperty(
512 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_WINDOW_TYPE", false),
513 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
515 f5e234d6 2018-05-18 omar.polo PropModeReplace,
516 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
520 f5e234d6 2018-05-18 omar.polo /* some window managers honor this properties */
521 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_STATE_ABOVE", false);
522 f5e234d6 2018-05-18 omar.polo XChangeProperty(d,
524 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_STATE", false),
525 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
527 f5e234d6 2018-05-18 omar.polo PropModeReplace,
528 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
532 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_STATE_FOCUSED", false);
533 f5e234d6 2018-05-18 omar.polo XChangeProperty(d,
535 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_STATE", false),
536 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
538 f5e234d6 2018-05-18 omar.polo PropModeAppend,
539 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
543 f5e234d6 2018-05-18 omar.polo // setting window hints
544 f5e234d6 2018-05-18 omar.polo XClassHint *class_hint = XAllocClassHint();
545 f5e234d6 2018-05-18 omar.polo if (class_hint == nil) {
546 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory for class hint\n");
547 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
549 7ef37ee0 2018-05-21 omar.polo class_hint->res_name = resname;
550 7ef37ee0 2018-05-21 omar.polo class_hint->res_class = resclass;
551 f5e234d6 2018-05-18 omar.polo XSetClassHint(d, w, class_hint);
552 f5e234d6 2018-05-18 omar.polo XFree(class_hint);
554 f5e234d6 2018-05-18 omar.polo XSizeHints *size_hint = XAllocSizeHints();
555 f5e234d6 2018-05-18 omar.polo if (size_hint == nil) {
556 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory for size hint\n");
557 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
559 7ef37ee0 2018-05-21 omar.polo size_hint->flags = PMinSize | PBaseSize;
560 f5e234d6 2018-05-18 omar.polo size_hint->min_width = width;
561 f5e234d6 2018-05-18 omar.polo size_hint->base_width = width;
562 f5e234d6 2018-05-18 omar.polo size_hint->min_height = height;
563 f5e234d6 2018-05-18 omar.polo size_hint->base_height = height;
565 f5e234d6 2018-05-18 omar.polo XFlush(d);
568 f5e234d6 2018-05-18 omar.polo void get_wh(Display *d, Window *w, int *width, int *height) {
569 f5e234d6 2018-05-18 omar.polo XWindowAttributes win_attr;
570 f5e234d6 2018-05-18 omar.polo XGetWindowAttributes(d, *w, &win_attr);
571 f5e234d6 2018-05-18 omar.polo *height = win_attr.height;
572 f5e234d6 2018-05-18 omar.polo *width = win_attr.width;
575 f5e234d6 2018-05-18 omar.polo // I know this may seem a little hackish BUT is the only way I managed
576 f5e234d6 2018-05-18 omar.polo // to actually grab that goddam keyboard. Only one call to
577 f5e234d6 2018-05-18 omar.polo // XGrabKeyboard does not always end up with the keyboard grabbed!
578 f5e234d6 2018-05-18 omar.polo int take_keyboard(Display *d, Window w) {
579 686e9237 2018-05-18 omar.polo int i;
580 686e9237 2018-05-18 omar.polo for (i = 0; i < 100; i++) {
581 686e9237 2018-05-18 omar.polo if (XGrabKeyboard(d, w, True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
582 686e9237 2018-05-18 omar.polo return 1;
583 686e9237 2018-05-18 omar.polo usleep(1000);
585 686e9237 2018-05-18 omar.polo return 0;
588 f5e234d6 2018-05-18 omar.polo void release_keyboard(Display *d) {
589 686e9237 2018-05-18 omar.polo XUngrabKeyboard(d, CurrentTime);
592 f5e234d6 2018-05-18 omar.polo int parse_integer(const char *str, int default_value, int max) {
593 f5e234d6 2018-05-18 omar.polo int len = strlen(str);
594 f5e234d6 2018-05-18 omar.polo if (len > 0 && str[len-1] == '%') {
595 f5e234d6 2018-05-18 omar.polo char *cpy = strdup(str);
596 f5e234d6 2018-05-18 omar.polo check_allocation(cpy);
597 f5e234d6 2018-05-18 omar.polo cpy[len-1] = '\0';
598 f5e234d6 2018-05-18 omar.polo int val = parse_integer(cpy, default_value, max);
599 f5e234d6 2018-05-18 omar.polo free(cpy);
600 f5e234d6 2018-05-18 omar.polo return val * max / 100;
603 f5e234d6 2018-05-18 omar.polo errno = 0;
604 f5e234d6 2018-05-18 omar.polo char *ep;
605 f5e234d6 2018-05-18 omar.polo long lval = strtol(str, &ep, 10);
606 f5e234d6 2018-05-18 omar.polo if (str[0] == '\0' || *ep != '\0') { // NaN
607 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "'%s' is not a valid number! Using %d as default.\n", str, default_value);
608 f5e234d6 2018-05-18 omar.polo return default_value;
610 f5e234d6 2018-05-18 omar.polo if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
611 f5e234d6 2018-05-18 omar.polo (lval > INT_MAX || lval < INT_MIN)) {
612 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "%s out of range! Using %d as default.\n", str, default_value);
613 f5e234d6 2018-05-18 omar.polo return default_value;
615 f5e234d6 2018-05-18 omar.polo return lval;
618 f5e234d6 2018-05-18 omar.polo int parse_int_with_middle(const char *str, int default_value, int max, int self) {
619 f5e234d6 2018-05-18 omar.polo if (!strcmp(str, "middle")) {
620 f5e234d6 2018-05-18 omar.polo return (max - self)/2;
622 f5e234d6 2018-05-18 omar.polo return parse_integer(str, default_value, max);
625 f5e234d6 2018-05-18 omar.polo int main() {
626 95b27a5e 2018-05-19 omar.polo char **lines = calloc(INITIAL_ITEMS, sizeof(char*));
627 6da98882 2018-05-20 omar.polo int nlines = readlines(&lines, INITIAL_ITEMS);
629 f5e234d6 2018-05-18 omar.polo setlocale(LC_ALL, getenv("LANG"));
631 f5e234d6 2018-05-18 omar.polo enum state status = LOOPING;
633 f5e234d6 2018-05-18 omar.polo // where the monitor start (used only with xinerama)
634 f5e234d6 2018-05-18 omar.polo int offset_x = 0;
635 f5e234d6 2018-05-18 omar.polo int offset_y = 0;
637 f5e234d6 2018-05-18 omar.polo // width and height of the window
638 f5e234d6 2018-05-18 omar.polo int width = 400;
639 f5e234d6 2018-05-18 omar.polo int height = 20;
641 f5e234d6 2018-05-18 omar.polo // position on the screen
642 f5e234d6 2018-05-18 omar.polo int x = 0;
643 f5e234d6 2018-05-18 omar.polo int y = 0;
645 8758854a 2018-05-20 omar.polo char *ps1 = strdup("$ ");
646 8758854a 2018-05-20 omar.polo check_allocation(ps1);
648 9e94fcbe 2018-05-22 omar.polo char *fontname = strdup(default_fontname);
649 f5e234d6 2018-05-18 omar.polo check_allocation(fontname);
651 f5e234d6 2018-05-18 omar.polo int textlen = 10;
652 f5e234d6 2018-05-18 omar.polo char *text = malloc(textlen * sizeof(char));
653 f5e234d6 2018-05-18 omar.polo check_allocation(text);
655 f5e234d6 2018-05-18 omar.polo struct completions *cs = filter(text, lines);
656 f5e234d6 2018-05-18 omar.polo bool nothing_selected = true;
658 f5e234d6 2018-05-18 omar.polo // start talking to xorg
659 f5e234d6 2018-05-18 omar.polo Display *d = XOpenDisplay(nil);
660 f5e234d6 2018-05-18 omar.polo if (d == nil) {
661 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not open display!\n");
662 f5e234d6 2018-05-18 omar.polo return EX_UNAVAILABLE;
665 f5e234d6 2018-05-18 omar.polo // get display size
666 f5e234d6 2018-05-18 omar.polo // XXX: is getting the default root window dimension correct?
667 f5e234d6 2018-05-18 omar.polo XWindowAttributes xwa;
668 f5e234d6 2018-05-18 omar.polo XGetWindowAttributes(d, DefaultRootWindow(d), &xwa);
669 f5e234d6 2018-05-18 omar.polo int d_width = xwa.width;
670 f5e234d6 2018-05-18 omar.polo int d_height = xwa.height;
672 f5e234d6 2018-05-18 omar.polo #ifdef USE_XINERAMA
673 f5e234d6 2018-05-18 omar.polo if (XineramaIsActive(d)) {
674 7ca8829b 2018-05-21 omar.polo // find the mice
675 7ca8829b 2018-05-21 omar.polo int number_of_screens = XScreenCount(d);
676 7ca8829b 2018-05-21 omar.polo bool result;
677 7ca8829b 2018-05-21 omar.polo Window r;
678 7ca8829b 2018-05-21 omar.polo Window root;
679 7ca8829b 2018-05-21 omar.polo int root_x, root_y, win_x, win_y;
680 7ca8829b 2018-05-21 omar.polo unsigned int mask;
681 7ca8829b 2018-05-21 omar.polo bool res;
682 7ca8829b 2018-05-21 omar.polo for (int i = 0; i < number_of_screens; ++i) {
683 7ca8829b 2018-05-21 omar.polo root = XRootWindow(d, i);
684 7ca8829b 2018-05-21 omar.polo res = XQueryPointer(d, root, &r, &r, &root_x, &root_y, &win_x, &win_y, &mask);
685 7ca8829b 2018-05-21 omar.polo if (res) break;
687 7ca8829b 2018-05-21 omar.polo if (!res) {
688 7ca8829b 2018-05-21 omar.polo fprintf(stderr, "No mouse found.\n");
689 7ca8829b 2018-05-21 omar.polo root_x = 0;
690 7ca8829b 2018-05-21 omar.polo root_y = 0;
693 7ca8829b 2018-05-21 omar.polo // now find in which monitor the mice is on
694 f5e234d6 2018-05-18 omar.polo int monitors;
695 f5e234d6 2018-05-18 omar.polo XineramaScreenInfo *info = XineramaQueryScreens(d, &monitors);
696 7ca8829b 2018-05-21 omar.polo if (info) {
697 f5e234d6 2018-05-18 omar.polo for (int i = 0; i < monitors; ++i) {
698 7ca8829b 2018-05-21 omar.polo if (info[i].x_org <= root_x && root_x <= (info[i].x_org + info[i].width)
699 7ca8829b 2018-05-21 omar.polo && info[i].y_org <= root_y && root_y <= (info[i].y_org + info[i].height)) {
700 7ca8829b 2018-05-21 omar.polo offset_x = info[i].x_org;
701 7ca8829b 2018-05-21 omar.polo offset_y = info[i].y_org;
702 f5e234d6 2018-05-18 omar.polo d_width = info[i].width;
703 f5e234d6 2018-05-18 omar.polo d_height = info[i].height;
704 7ca8829b 2018-05-21 omar.polo break;
708 f5e234d6 2018-05-18 omar.polo XFree(info);
710 f5e234d6 2018-05-18 omar.polo #endif
712 f5e234d6 2018-05-18 omar.polo Colormap cmap = DefaultColormap(d, DefaultScreen(d));
713 f5e234d6 2018-05-18 omar.polo XColor p_fg, p_bg,
714 f5e234d6 2018-05-18 omar.polo compl_fg, compl_bg,
715 f5e234d6 2018-05-18 omar.polo compl_highlighted_fg, compl_highlighted_bg;
717 36a15a9f 2018-05-19 omar.polo bool horizontal_layout = true;
719 f5e234d6 2018-05-18 omar.polo // read resource
720 f5e234d6 2018-05-18 omar.polo XrmInitialize();
721 f5e234d6 2018-05-18 omar.polo char *xrm = XResourceManagerString(d);
722 347d23da 2018-05-19 omar.polo XrmDatabase xdb = nil;
723 f5e234d6 2018-05-18 omar.polo if (xrm != nil) {
724 347d23da 2018-05-19 omar.polo xdb = XrmGetStringDatabase(xrm);
725 f5e234d6 2018-05-18 omar.polo XrmValue value;
726 f5e234d6 2018-05-18 omar.polo char *datatype[20];
728 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.font", "*", datatype, &value) == true) {
729 f5e234d6 2018-05-18 omar.polo fontname = strdup(value.addr);
730 f5e234d6 2018-05-18 omar.polo check_allocation(fontname);
733 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no font defined, using %s\n", fontname);
735 36a15a9f 2018-05-19 omar.polo if (XrmGetResource(xdb, "MyMenu.layout", "*", datatype, &value) == true) {
736 36a15a9f 2018-05-19 omar.polo char *v = strdup(value.addr);
737 36a15a9f 2018-05-19 omar.polo check_allocation(v);
738 36a15a9f 2018-05-19 omar.polo horizontal_layout = !strcmp(v, "horizontal");
739 36a15a9f 2018-05-19 omar.polo free(v);
742 36a15a9f 2018-05-19 omar.polo fprintf(stderr, "no layout defined, using horizontal\n");
744 8758854a 2018-05-20 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt", "*", datatype, &value) == true) {
745 8758854a 2018-05-20 omar.polo free(ps1);
746 8758854a 2018-05-20 omar.polo ps1 = normalize_str(value.addr);
747 8758854a 2018-05-20 omar.polo } else
748 8758854a 2018-05-20 omar.polo fprintf(stderr, "no prompt defined, using \"%s\" as default\n", ps1);
750 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.width", "*", datatype, &value) == true)
751 f5e234d6 2018-05-18 omar.polo width = parse_integer(value.addr, width, d_width);
753 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no width defined, using %d\n", width);
755 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.height", "*", datatype, &value) == true)
756 f5e234d6 2018-05-18 omar.polo height = parse_integer(value.addr, height, d_height);
758 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no height defined, using %d\n", height);
760 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.x", "*", datatype, &value) == true)
761 f5e234d6 2018-05-18 omar.polo x = parse_int_with_middle(value.addr, x, d_width, width);
763 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no x defined, using %d\n", width);
765 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.y", "*", datatype, &value) == true)
766 f5e234d6 2018-05-18 omar.polo y = parse_int_with_middle(value.addr, y, d_height, height);
768 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no y defined, using %d\n", height);
770 f5e234d6 2018-05-18 omar.polo XColor tmp;
771 f5e234d6 2018-05-18 omar.polo // TODO: tmp needs to be free'd after every allocation?
773 f5e234d6 2018-05-18 omar.polo // prompt
774 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt.foreground", "*", datatype, &value) == true)
775 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &p_fg, &tmp);
777 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &p_fg, &tmp);
779 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt.background", "*", datatype, &value) == true)
780 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &p_bg, &tmp);
782 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &p_bg, &tmp);
784 f5e234d6 2018-05-18 omar.polo // completion
785 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion.foreground", "*", datatype, &value) == true)
786 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_fg, &tmp);
788 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_fg, &tmp);
790 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion.background", "*", datatype, &value) == true)
791 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_bg, &tmp);
793 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_bg, &tmp);
795 f5e234d6 2018-05-18 omar.polo // completion highlighted
796 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion_highlighted.foreground", "*", datatype, &value) == true)
797 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_highlighted_fg, &tmp);
799 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_highlighted_fg, &tmp);
801 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion_highlighted.background", "*", datatype, &value) == true)
802 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_highlighted_bg, &tmp);
804 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_highlighted_bg, &tmp);
805 f5e234d6 2018-05-18 omar.polo } else {
806 f5e234d6 2018-05-18 omar.polo XColor tmp;
807 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &p_fg, &tmp);
808 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &p_bg, &tmp);
809 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_fg, &tmp);
810 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_bg, &tmp);
811 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_highlighted_fg, &tmp);
812 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_highlighted_bg, &tmp);
815 f5e234d6 2018-05-18 omar.polo // load the font
816 347d23da 2018-05-19 omar.polo /* XFontStruct *font = XLoadQueryFont(d, fontname); */
817 347d23da 2018-05-19 omar.polo /* if (font == nil) { */
818 347d23da 2018-05-19 omar.polo /* fprintf(stderr, "Unable to load %s font\n", fontname); */
819 347d23da 2018-05-19 omar.polo /* font = XLoadQueryFont(d, "fixed"); */
820 347d23da 2018-05-19 omar.polo /* } */
821 347d23da 2018-05-19 omar.polo // load the font
822 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
823 c9a3bfaa 2018-05-21 omar.polo XftFont *font = XftFontOpenName(d, DefaultScreen(d), fontname);
825 347d23da 2018-05-19 omar.polo char **missing_charset_list;
826 347d23da 2018-05-19 omar.polo int missing_charset_count;
827 347d23da 2018-05-19 omar.polo XFontSet font = XCreateFontSet(d, fontname, &missing_charset_list, &missing_charset_count, nil);
828 f5e234d6 2018-05-18 omar.polo if (font == nil) {
829 347d23da 2018-05-19 omar.polo fprintf(stderr, "Unable to load the font(s) %s\n", fontname);
830 347d23da 2018-05-19 omar.polo return EX_UNAVAILABLE;
832 c9a3bfaa 2018-05-21 omar.polo #endif
834 f5e234d6 2018-05-18 omar.polo // create the window
835 f5e234d6 2018-05-18 omar.polo XSetWindowAttributes attr;
836 55bd6842 2018-05-21 omar.polo attr.override_redirect = true;
838 f5e234d6 2018-05-18 omar.polo Window w = XCreateWindow(d, // display
839 f5e234d6 2018-05-18 omar.polo DefaultRootWindow(d), // parent
840 f5e234d6 2018-05-18 omar.polo x + offset_x, y + offset_y, // x y
841 f5e234d6 2018-05-18 omar.polo width, height, // w h
842 f5e234d6 2018-05-18 omar.polo 0, // border width
843 f5e234d6 2018-05-18 omar.polo DefaultDepth(d, DefaultScreen(d)), // depth
844 f5e234d6 2018-05-18 omar.polo InputOutput, // class
845 f5e234d6 2018-05-18 omar.polo DefaultVisual(d, DefaultScreen(d)), // visual
846 55bd6842 2018-05-21 omar.polo CWOverrideRedirect, // value mask
847 f5e234d6 2018-05-18 omar.polo &attr);
849 f5e234d6 2018-05-18 omar.polo set_win_atoms_hints(d, w, width, height);
851 f5e234d6 2018-05-18 omar.polo // we want some events
852 c9a3bfaa 2018-05-21 omar.polo XSelectInput(d, w, StructureNotifyMask | KeyPressMask | KeymapStateMask);
854 f5e234d6 2018-05-18 omar.polo // make the window appear on the screen
855 f5e234d6 2018-05-18 omar.polo XMapWindow(d, w);
857 f5e234d6 2018-05-18 omar.polo // wait for the MapNotify event (i.e. the event "window rendered")
858 f5e234d6 2018-05-18 omar.polo for (;;) {
859 f5e234d6 2018-05-18 omar.polo XEvent e;
860 f5e234d6 2018-05-18 omar.polo XNextEvent(d, &e);
861 f5e234d6 2018-05-18 omar.polo if (e.type == MapNotify)
862 f5e234d6 2018-05-18 omar.polo break;
865 f5e234d6 2018-05-18 omar.polo // get the *real* width & height after the window was rendered
866 f5e234d6 2018-05-18 omar.polo get_wh(d, &w, &width, &height);
868 f5e234d6 2018-05-18 omar.polo // grab keyboard
869 f5e234d6 2018-05-18 omar.polo take_keyboard(d, w);
871 f5e234d6 2018-05-18 omar.polo // Create some graphics contexts
872 f5e234d6 2018-05-18 omar.polo XGCValues values;
873 347d23da 2018-05-19 omar.polo /* values.font = font->fid; */
875 f5e234d6 2018-05-18 omar.polo struct rendering r = {
876 f5e234d6 2018-05-18 omar.polo .d = d,
877 f5e234d6 2018-05-18 omar.polo .w = w,
878 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
879 c9a3bfaa 2018-05-21 omar.polo .font = font,
881 c9a3bfaa 2018-05-21 omar.polo .font = &font,
882 c9a3bfaa 2018-05-21 omar.polo #endif
883 347d23da 2018-05-19 omar.polo .prompt = XCreateGC(d, w, 0, &values),
884 347d23da 2018-05-19 omar.polo .prompt_bg = XCreateGC(d, w, 0, &values),
885 347d23da 2018-05-19 omar.polo .completion = XCreateGC(d, w, 0, &values),
886 347d23da 2018-05-19 omar.polo .completion_bg = XCreateGC(d, w, 0, &values),
887 347d23da 2018-05-19 omar.polo .completion_highlighted = XCreateGC(d, w, 0, &values),
888 347d23da 2018-05-19 omar.polo .completion_highlighted_bg = XCreateGC(d, w, 0, &values),
889 f5e234d6 2018-05-18 omar.polo .width = width,
890 f5e234d6 2018-05-18 omar.polo .height = height,
891 8758854a 2018-05-20 omar.polo .horizontal_layout = horizontal_layout,
892 8758854a 2018-05-20 omar.polo .ps1 = ps1,
893 8758854a 2018-05-20 omar.polo .ps1len = strlen(ps1)
896 7ca8829b 2018-05-21 omar.polo #ifdef USE_XFT
897 7ca8829b 2018-05-21 omar.polo r.xftdraw = XftDrawCreate(d, w, DefaultVisual(d, 0), DefaultColormap(d, 0));
899 7ca8829b 2018-05-21 omar.polo // prompt
900 7ca8829b 2018-05-21 omar.polo XRenderColor xrcolor;
901 7ca8829b 2018-05-21 omar.polo xrcolor.red = p_fg.red;
902 7ca8829b 2018-05-21 omar.polo xrcolor.green = p_fg.red;
903 7ca8829b 2018-05-21 omar.polo xrcolor.blue = p_fg.red;
904 7ca8829b 2018-05-21 omar.polo xrcolor.alpha = 65535;
905 7ca8829b 2018-05-21 omar.polo XftColorAllocValue(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &xrcolor, &r.xft_prompt);
907 7ca8829b 2018-05-21 omar.polo // completion
908 7ca8829b 2018-05-21 omar.polo xrcolor.red = compl_fg.red;
909 7ca8829b 2018-05-21 omar.polo xrcolor.green = compl_fg.green;
910 7ca8829b 2018-05-21 omar.polo xrcolor.blue = compl_fg.blue;
911 7ca8829b 2018-05-21 omar.polo xrcolor.alpha = 65535;
912 7ca8829b 2018-05-21 omar.polo XftColorAllocValue(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &xrcolor, &r.xft_completion);
914 7ca8829b 2018-05-21 omar.polo // completion highlighted
915 7ca8829b 2018-05-21 omar.polo xrcolor.red = compl_highlighted_fg.red;
916 7ca8829b 2018-05-21 omar.polo xrcolor.green = compl_highlighted_fg.green;
917 7ca8829b 2018-05-21 omar.polo xrcolor.blue = compl_highlighted_fg.blue;
918 7ca8829b 2018-05-21 omar.polo xrcolor.alpha = 65535;
919 7ca8829b 2018-05-21 omar.polo XftColorAllocValue(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &xrcolor, &r.xft_completion_highlighted);
920 c9a3bfaa 2018-05-21 omar.polo #endif
922 f5e234d6 2018-05-18 omar.polo // load the colors in our GCs
923 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.prompt, p_fg.pixel);
924 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.prompt_bg, p_bg.pixel);
925 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion, compl_fg.pixel);
926 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_bg, compl_bg.pixel);
927 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_highlighted, compl_highlighted_fg.pixel);
928 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_highlighted_bg, compl_highlighted_bg.pixel);
930 347d23da 2018-05-19 omar.polo // open the X input method
931 347d23da 2018-05-19 omar.polo XIM xim = XOpenIM(d, xdb, resname, resclass);
932 347d23da 2018-05-19 omar.polo check_allocation(xim);
934 347d23da 2018-05-19 omar.polo XIMStyles *xis = nil;
935 347d23da 2018-05-19 omar.polo if (XGetIMValues(xim, XNQueryInputStyle, &xis, NULL) || !xis) {
936 347d23da 2018-05-19 omar.polo fprintf(stderr, "Input Styles could not be retrieved\n");
937 347d23da 2018-05-19 omar.polo return EX_UNAVAILABLE;
940 347d23da 2018-05-19 omar.polo XIMStyle bestMatchStyle = 0;
941 347d23da 2018-05-19 omar.polo for (int i = 0; i < xis->count_styles; ++i) {
942 347d23da 2018-05-19 omar.polo XIMStyle ts = xis->supported_styles[i];
943 347d23da 2018-05-19 omar.polo if (ts == (XIMPreeditNothing | XIMStatusNothing)) {
944 347d23da 2018-05-19 omar.polo bestMatchStyle = ts;
945 347d23da 2018-05-19 omar.polo break;
948 347d23da 2018-05-19 omar.polo XFree(xis);
950 347d23da 2018-05-19 omar.polo if (!bestMatchStyle) {
951 347d23da 2018-05-19 omar.polo fprintf(stderr, "No matching input style could be determined\n");
954 347d23da 2018-05-19 omar.polo XIC xic = XCreateIC(xim, XNInputStyle, bestMatchStyle, XNClientWindow, w, XNFocusWindow, w, NULL);
955 347d23da 2018-05-19 omar.polo check_allocation(xic);
957 f5e234d6 2018-05-18 omar.polo // draw the window for the first time
958 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
960 f5e234d6 2018-05-18 omar.polo // main loop
961 f5e234d6 2018-05-18 omar.polo while (status == LOOPING) {
962 f5e234d6 2018-05-18 omar.polo XEvent e;
963 f5e234d6 2018-05-18 omar.polo XNextEvent(d, &e);
965 347d23da 2018-05-19 omar.polo if (XFilterEvent(&e, w))
966 347d23da 2018-05-19 omar.polo continue;
968 f5e234d6 2018-05-18 omar.polo switch (e.type) {
969 f5e234d6 2018-05-18 omar.polo case KeymapNotify:
970 f5e234d6 2018-05-18 omar.polo XRefreshKeyboardMapping(&e.xmapping);
971 f5e234d6 2018-05-18 omar.polo break;
973 347d23da 2018-05-19 omar.polo case KeyPress: {
974 347d23da 2018-05-19 omar.polo XKeyPressedEvent *ev = (XKeyPressedEvent*)&e;
976 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Tab)) {
977 347d23da 2018-05-19 omar.polo bool shift = (ev->state & ShiftMask);
978 347d23da 2018-05-19 omar.polo struct completions *n = shift ? compl_select_prev(cs, nothing_selected)
979 347d23da 2018-05-19 omar.polo : compl_select_next(cs, nothing_selected);
980 347d23da 2018-05-19 omar.polo if (n != nil) {
981 347d23da 2018-05-19 omar.polo nothing_selected = false;
982 347d23da 2018-05-19 omar.polo free(text);
983 347d23da 2018-05-19 omar.polo text = strdup(n->completion);
984 347d23da 2018-05-19 omar.polo if (text == nil) {
985 347d23da 2018-05-19 omar.polo fprintf(stderr, "Memory allocation error!\n");
986 347d23da 2018-05-19 omar.polo status = ERR;
987 347d23da 2018-05-19 omar.polo break;
989 347d23da 2018-05-19 omar.polo textlen = strlen(text);
991 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
992 f5e234d6 2018-05-18 omar.polo break;
995 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_BackSpace)) {
996 f5e234d6 2018-05-18 omar.polo nothing_selected = true;
997 f5e234d6 2018-05-18 omar.polo popc(text, textlen);
998 f5e234d6 2018-05-18 omar.polo update_completions(cs, text, lines);
999 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
1000 f5e234d6 2018-05-18 omar.polo break;
1003 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Return)) {
1004 347d23da 2018-05-19 omar.polo status = OK;
1005 347d23da 2018-05-19 omar.polo break;
1008 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Escape)) {
1009 347d23da 2018-05-19 omar.polo status = ERR;
1010 347d23da 2018-05-19 omar.polo break;
1013 347d23da 2018-05-19 omar.polo // try to read what the user pressed
1014 347d23da 2018-05-19 omar.polo int symbol = 0;
1015 347d23da 2018-05-19 omar.polo Status s = 0;
1016 347d23da 2018-05-19 omar.polo Xutf8LookupString(xic, ev, (char*)&symbol, 4, 0, &s);
1018 347d23da 2018-05-19 omar.polo if (s == XBufferOverflow) {
1019 347d23da 2018-05-19 omar.polo // should not happen since there are no utf-8 characters
1020 347d23da 2018-05-19 omar.polo // larger than 24bits, but is something to be aware of when
1021 347d23da 2018-05-19 omar.polo // used to directly write to a string buffer
1022 347d23da 2018-05-19 omar.polo fprintf(stderr, "Buffer overflow when trying to create keyboard symbol map.\n");
1023 347d23da 2018-05-19 omar.polo break;
1025 347d23da 2018-05-19 omar.polo char *str = (char*)&symbol;
1027 347d23da 2018-05-19 omar.polo if (ev->state & ControlMask) {
1028 347d23da 2018-05-19 omar.polo // check for some key bindings
1029 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-u
1030 f5e234d6 2018-05-18 omar.polo nothing_selected = true;
1031 347d23da 2018-05-19 omar.polo for (int i = 0; i < textlen; ++i)
1032 347d23da 2018-05-19 omar.polo text[i] = 0;
1033 f5e234d6 2018-05-18 omar.polo update_completions(cs, text, lines);
1035 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-h
1036 347d23da 2018-05-19 omar.polo nothing_selected = true;
1037 347d23da 2018-05-19 omar.polo popc(text, textlen);
1038 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
1040 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-w
1041 347d23da 2018-05-19 omar.polo nothing_selected = true;
1043 347d23da 2018-05-19 omar.polo // `textlen` is the length of the allocated string, not the
1044 347d23da 2018-05-19 omar.polo // length of the ACTUAL string
1045 347d23da 2018-05-19 omar.polo int p = strlen(text) - 1;
1046 347d23da 2018-05-19 omar.polo if (p >= 0) { // delete the current char
1047 347d23da 2018-05-19 omar.polo text[p] = 0;
1050 347d23da 2018-05-19 omar.polo while (p >= 0 && isalnum(text[p])) {
1051 347d23da 2018-05-19 omar.polo text[p] = 0;
1054 347d23da 2018-05-19 omar.polo // erase also trailing white space
1055 347d23da 2018-05-19 omar.polo while (p >= 0 && isspace(text[p])) {
1056 347d23da 2018-05-19 omar.polo text[p] = 0;
1059 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
1061 347d23da 2018-05-19 omar.polo if (!strcmp(str, "\r")) { // C-m
1062 347d23da 2018-05-19 omar.polo status = OK;
1064 347d23da 2018-05-19 omar.polo draw(&r, text, cs);
1065 f5e234d6 2018-05-18 omar.polo break;
1068 347d23da 2018-05-19 omar.polo int str_len = strlen(str);
1069 347d23da 2018-05-19 omar.polo for (int i = 0; i < str_len; ++i) {
1070 347d23da 2018-05-19 omar.polo textlen = pushc(&text, textlen, str[i]);
1071 347d23da 2018-05-19 omar.polo if (textlen == -1) {
1072 347d23da 2018-05-19 omar.polo fprintf(stderr, "Memory allocation error\n");
1073 347d23da 2018-05-19 omar.polo status = ERR;
1074 347d23da 2018-05-19 omar.polo break;
1076 347d23da 2018-05-19 omar.polo nothing_selected = true;
1077 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
1081 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
1082 f5e234d6 2018-05-18 omar.polo break;
1084 f5e234d6 2018-05-18 omar.polo default:
1085 347d23da 2018-05-19 omar.polo fprintf(stderr, "Unknown event %d\n", e.type);
1089 f5e234d6 2018-05-18 omar.polo release_keyboard(d);
1091 f5e234d6 2018-05-18 omar.polo if (status == OK)
1092 f5e234d6 2018-05-18 omar.polo printf("%s\n", text);
1094 6da98882 2018-05-20 omar.polo for (int i = 0; i < nlines; ++i) {
1095 6da98882 2018-05-20 omar.polo free(lines[i]);
1098 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
1099 c9a3bfaa 2018-05-21 omar.polo XftColorFree(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &r.xft_prompt);
1100 c9a3bfaa 2018-05-21 omar.polo XftColorFree(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &r.xft_completion);
1101 c9a3bfaa 2018-05-21 omar.polo XftColorFree(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &r.xft_completion_highlighted);
1102 c9a3bfaa 2018-05-21 omar.polo #endif
1104 8758854a 2018-05-20 omar.polo free(ps1);
1105 f5e234d6 2018-05-18 omar.polo free(fontname);
1106 f5e234d6 2018-05-18 omar.polo free(text);
1107 95b27a5e 2018-05-19 omar.polo free(lines);
1108 f5e234d6 2018-05-18 omar.polo compl_delete(cs);
1110 8758854a 2018-05-20 omar.polo XDestroyWindow(d, w);
1111 f5e234d6 2018-05-18 omar.polo XCloseDisplay(d);
1113 f5e234d6 2018-05-18 omar.polo return status == OK ? 0 : 1;
