1 f5e234d6 2018-05-18 omar.polo #include <stdio.h>
2 f5e234d6 2018-05-18 omar.polo #include <stdlib.h>
3 f5e234d6 2018-05-18 omar.polo #include <string.h> // strdup, strnlen, ...
4 f5e234d6 2018-05-18 omar.polo #include <ctype.h> // isalnum
5 f5e234d6 2018-05-18 omar.polo #include <locale.h> // setlocale
6 f5e234d6 2018-05-18 omar.polo #include <unistd.h>
7 f5e234d6 2018-05-18 omar.polo #include <sysexits.h>
8 f5e234d6 2018-05-18 omar.polo #include <stdbool.h>
9 f5e234d6 2018-05-18 omar.polo #include <limits.h>
10 f5e234d6 2018-05-18 omar.polo #include <errno.h>
12 f5e234d6 2018-05-18 omar.polo #include <X11/Xlib.h>
13 f5e234d6 2018-05-18 omar.polo #include <X11/Xutil.h> // XLookupString
14 f5e234d6 2018-05-18 omar.polo #include <X11/Xresource.h>
15 f5e234d6 2018-05-18 omar.polo #include <X11/Xcms.h> // colors
16 347d23da 2018-05-19 omar.polo #include <X11/keysym.h>
18 f5e234d6 2018-05-18 omar.polo #ifdef USE_XINERAMA
19 f5e234d6 2018-05-18 omar.polo # include <X11/extensions/Xinerama.h>
22 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
23 c9a3bfaa 2018-05-21 omar.polo # include <X11/Xft/Xft.h>
26 f5e234d6 2018-05-18 omar.polo #define nil NULL
27 347d23da 2018-05-19 omar.polo #define resname "MyMenu"
28 347d23da 2018-05-19 omar.polo #define resclass "mymenu"
30 9e94fcbe 2018-05-22 omar.polo #ifdef USE_XFT
31 9e94fcbe 2018-05-22 omar.polo # define default_fontname "monospace"
33 9e94fcbe 2018-05-22 omar.polo # define default_fontname "fixed"
36 9e94fcbe 2018-05-22 omar.polo #define MIN(a, b) ((a) < (b) ? (a) : (b))
37 f5e234d6 2018-05-18 omar.polo #define MAX(a, b) ((a) > (b) ? (a) : (b))
39 9e94fcbe 2018-05-22 omar.polo // If we don't have it or we don't want an "ignore case" completion
40 9e94fcbe 2018-05-22 omar.polo // style, fall back to `strstr(3)`
41 9e94fcbe 2018-05-22 omar.polo #ifndef USE_STRCASESTR
42 fa5a6135 2018-05-25 omar.polo # define strcasestr strstr
45 f5e234d6 2018-05-18 omar.polo #define update_completions(cs, text, lines) { \
46 3997bf41 2018-05-25 omar.polo compl_delete_rec(cs); \
47 f5e234d6 2018-05-18 omar.polo cs = filter(text, lines); \
50 8ecd98cc 2018-05-25 omar.polo #define complete(cs, nothing_selected, p, text, textlen, status) { \
51 8ecd98cc 2018-05-25 omar.polo struct completions *n = p \
52 8ecd98cc 2018-05-25 omar.polo ? compl_select_prev(cs, nothing_selected) \
53 8ecd98cc 2018-05-25 omar.polo : compl_select_next(cs, nothing_selected); \
55 8ecd98cc 2018-05-25 omar.polo if (n != nil) { \
56 8ecd98cc 2018-05-25 omar.polo nothing_selected = false; \
57 8ecd98cc 2018-05-25 omar.polo free(text); \
58 8ecd98cc 2018-05-25 omar.polo text = strdup(n->completion); \
59 8ecd98cc 2018-05-25 omar.polo if (text == nil) { \
60 8ecd98cc 2018-05-25 omar.polo fprintf(stderr, "Memory allocation error!\n"); \
61 8ecd98cc 2018-05-25 omar.polo status = ERR; \
62 8ecd98cc 2018-05-25 omar.polo break; \
64 8ecd98cc 2018-05-25 omar.polo textlen = strlen(text); \
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 e5186d6b 2018-05-26 omar.polo int width;
88 e5186d6b 2018-05-26 omar.polo int height;
89 e5186d6b 2018-05-26 omar.polo int padding;
90 e5186d6b 2018-05-26 omar.polo bool horizontal_layout;
91 e5186d6b 2018-05-26 omar.polo char *ps1;
92 e5186d6b 2018-05-26 omar.polo int ps1len;
93 f5e234d6 2018-05-18 omar.polo GC prompt;
94 f5e234d6 2018-05-18 omar.polo GC prompt_bg;
95 f5e234d6 2018-05-18 omar.polo GC completion;
96 f5e234d6 2018-05-18 omar.polo GC completion_bg;
97 f5e234d6 2018-05-18 omar.polo GC completion_highlighted;
98 f5e234d6 2018-05-18 omar.polo GC completion_highlighted_bg;
99 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
100 e5186d6b 2018-05-26 omar.polo XftFont *font;
101 c9a3bfaa 2018-05-21 omar.polo XftDraw *xftdraw;
102 c9a3bfaa 2018-05-21 omar.polo XftColor xft_prompt;
103 c9a3bfaa 2018-05-21 omar.polo XftColor xft_completion;
104 c9a3bfaa 2018-05-21 omar.polo XftColor xft_completion_highlighted;
106 c9a3bfaa 2018-05-21 omar.polo XFontSet *font;
107 c9a3bfaa 2018-05-21 omar.polo #endif
110 f5e234d6 2018-05-18 omar.polo struct completions {
111 f5e234d6 2018-05-18 omar.polo char *completion;
112 f5e234d6 2018-05-18 omar.polo bool selected;
113 f5e234d6 2018-05-18 omar.polo struct completions *next;
116 f5e234d6 2018-05-18 omar.polo struct completions *compl_new() {
117 f5e234d6 2018-05-18 omar.polo struct completions *c = malloc(sizeof(struct completions));
119 f5e234d6 2018-05-18 omar.polo if (c == nil)
120 f5e234d6 2018-05-18 omar.polo return c;
122 f5e234d6 2018-05-18 omar.polo c->completion = nil;
123 f5e234d6 2018-05-18 omar.polo c->selected = false;
124 f5e234d6 2018-05-18 omar.polo c->next = nil;
125 f5e234d6 2018-05-18 omar.polo return c;
128 f5e234d6 2018-05-18 omar.polo void compl_delete(struct completions *c) {
129 f5e234d6 2018-05-18 omar.polo free(c);
132 3997bf41 2018-05-25 omar.polo void compl_delete_rec(struct completions *c) {
133 3997bf41 2018-05-25 omar.polo while (c != nil) {
134 3997bf41 2018-05-25 omar.polo struct completions *t = c->next;
135 3997bf41 2018-05-25 omar.polo free(c);
136 3997bf41 2018-05-25 omar.polo c = t;
140 347d23da 2018-05-19 omar.polo struct completions *compl_select_next(struct completions *c, bool n) {
141 347d23da 2018-05-19 omar.polo if (c == nil)
142 347d23da 2018-05-19 omar.polo return nil;
143 347d23da 2018-05-19 omar.polo if (n) {
144 347d23da 2018-05-19 omar.polo c->selected = true;
145 347d23da 2018-05-19 omar.polo return c;
148 347d23da 2018-05-19 omar.polo struct completions *orig = c;
149 347d23da 2018-05-19 omar.polo while (c != nil) {
150 347d23da 2018-05-19 omar.polo if (c->selected) {
151 347d23da 2018-05-19 omar.polo c->selected = false;
152 347d23da 2018-05-19 omar.polo if (c->next != nil) {
153 347d23da 2018-05-19 omar.polo // the current one is selected and the next one exists
154 347d23da 2018-05-19 omar.polo c->next->selected = true;
155 347d23da 2018-05-19 omar.polo return c->next;
156 347d23da 2018-05-19 omar.polo } else {
157 347d23da 2018-05-19 omar.polo // the current one is selected and the next one is nill,
158 347d23da 2018-05-19 omar.polo // select the first one
159 347d23da 2018-05-19 omar.polo orig->selected = true;
160 347d23da 2018-05-19 omar.polo return orig;
163 347d23da 2018-05-19 omar.polo c = c->next;
165 347d23da 2018-05-19 omar.polo return nil;
168 347d23da 2018-05-19 omar.polo struct completions *compl_select_prev(struct completions *c, bool n) {
169 347d23da 2018-05-19 omar.polo if (c == nil)
170 347d23da 2018-05-19 omar.polo return nil;
172 347d23da 2018-05-19 omar.polo struct completions *cc = c;
174 4c3b1ef0 2018-05-26 omar.polo if (n || c->selected) { // select the last one
175 4c3b1ef0 2018-05-26 omar.polo c->selected = false;
176 347d23da 2018-05-19 omar.polo while (cc != nil) {
177 347d23da 2018-05-19 omar.polo if (cc->next == nil) {
178 347d23da 2018-05-19 omar.polo cc->selected = true;
179 347d23da 2018-05-19 omar.polo return cc;
181 347d23da 2018-05-19 omar.polo cc = cc->next;
184 347d23da 2018-05-19 omar.polo else // select the previous one
185 347d23da 2018-05-19 omar.polo while (cc != nil) {
186 347d23da 2018-05-19 omar.polo if (cc->next != nil && cc->next->selected) {
187 347d23da 2018-05-19 omar.polo cc->next->selected = false;
188 347d23da 2018-05-19 omar.polo cc->selected = true;
189 347d23da 2018-05-19 omar.polo return cc;
191 347d23da 2018-05-19 omar.polo cc = cc->next;
194 347d23da 2018-05-19 omar.polo return nil;
197 f5e234d6 2018-05-18 omar.polo struct completions *filter(char *text, char **lines) {
198 f5e234d6 2018-05-18 omar.polo int i = 0;
199 f5e234d6 2018-05-18 omar.polo struct completions *root = compl_new();
200 f5e234d6 2018-05-18 omar.polo struct completions *c = root;
201 3997bf41 2018-05-25 omar.polo if (c == nil)
202 3997bf41 2018-05-25 omar.polo return nil;
204 f5e234d6 2018-05-18 omar.polo for (;;) {
205 f5e234d6 2018-05-18 omar.polo char *l = lines[i];
206 f5e234d6 2018-05-18 omar.polo if (l == nil)
207 f5e234d6 2018-05-18 omar.polo break;
209 9e94fcbe 2018-05-22 omar.polo if (strcasestr(l, text) != nil) {
210 f5e234d6 2018-05-18 omar.polo c->next = compl_new();
211 f5e234d6 2018-05-18 omar.polo c = c->next;
212 3997bf41 2018-05-25 omar.polo if (c == nil) {
213 3997bf41 2018-05-25 omar.polo compl_delete_rec(root);
214 3997bf41 2018-05-25 omar.polo return nil;
216 f5e234d6 2018-05-18 omar.polo c->completion = l;
222 f5e234d6 2018-05-18 omar.polo struct completions *r = root->next;
223 f5e234d6 2018-05-18 omar.polo compl_delete(root);
224 f5e234d6 2018-05-18 omar.polo return r;
227 f5e234d6 2018-05-18 omar.polo // push the character c at the end of the string pointed by p
228 f5e234d6 2018-05-18 omar.polo int pushc(char **p, int maxlen, char c) {
229 f5e234d6 2018-05-18 omar.polo int len = strnlen(*p, maxlen);
231 f5e234d6 2018-05-18 omar.polo if (!(len < maxlen -2)) {
232 f5e234d6 2018-05-18 omar.polo maxlen += maxlen >> 1;
233 f5e234d6 2018-05-18 omar.polo char *newptr = realloc(*p, maxlen);
234 f5e234d6 2018-05-18 omar.polo if (newptr == nil) { // bad!
235 f5e234d6 2018-05-18 omar.polo return -1;
237 f5e234d6 2018-05-18 omar.polo *p = newptr;
240 f5e234d6 2018-05-18 omar.polo (*p)[len] = c;
241 f5e234d6 2018-05-18 omar.polo (*p)[len+1] = '\0';
242 f5e234d6 2018-05-18 omar.polo return maxlen;
245 347d23da 2018-05-19 omar.polo int utf8strnlen(char *s, int maxlen) {
246 347d23da 2018-05-19 omar.polo int len = 0;
247 347d23da 2018-05-19 omar.polo while (*s && maxlen > 0) {
248 347d23da 2018-05-19 omar.polo len += (*s++ & 0xc0) != 0x80;
249 347d23da 2018-05-19 omar.polo maxlen--;
251 347d23da 2018-05-19 omar.polo return len;
254 347d23da 2018-05-19 omar.polo // remove the last *glyph* from the *utf8* string!
255 347d23da 2018-05-19 omar.polo // this is different from just setting the last byte to 0 (in some
256 347d23da 2018-05-19 omar.polo // cases ofc). The actual implementation is quite inefficient because
257 347d23da 2018-05-19 omar.polo // it remove the last char until the number of glyphs doesn't change
258 f5e234d6 2018-05-18 omar.polo void popc(char *p, int maxlen) {
259 f5e234d6 2018-05-18 omar.polo int len = strnlen(p, maxlen);
261 347d23da 2018-05-19 omar.polo if (len == 0)
262 347d23da 2018-05-19 omar.polo return;
264 347d23da 2018-05-19 omar.polo int ulen = utf8strnlen(p, maxlen);
265 347d23da 2018-05-19 omar.polo while (len > 0 && utf8strnlen(p, maxlen) == ulen) {
266 347d23da 2018-05-19 omar.polo len--;
267 347d23da 2018-05-19 omar.polo p[len] = 0;
271 8758854a 2018-05-20 omar.polo // If the string is surrounded by quotes (`"`) remove them and replace
272 8758854a 2018-05-20 omar.polo // every `\"` in the string with `"`
273 8758854a 2018-05-20 omar.polo char *normalize_str(const char *str) {
274 8758854a 2018-05-20 omar.polo int len = strlen(str);
275 8758854a 2018-05-20 omar.polo if (len == 0)
276 8758854a 2018-05-20 omar.polo return nil;
278 8758854a 2018-05-20 omar.polo char *s = calloc(len, sizeof(char));
279 8758854a 2018-05-20 omar.polo check_allocation(s);
280 8758854a 2018-05-20 omar.polo int p = 0;
281 8758854a 2018-05-20 omar.polo while (*str) {
282 8758854a 2018-05-20 omar.polo char c = *str;
283 8758854a 2018-05-20 omar.polo if (*str == '\\') {
284 8758854a 2018-05-20 omar.polo if (*(str + 1)) {
285 8758854a 2018-05-20 omar.polo s[p] = *(str + 1);
287 8758854a 2018-05-20 omar.polo str += 2; // skip this and the next char
288 8758854a 2018-05-20 omar.polo continue;
289 8758854a 2018-05-20 omar.polo } else {
290 8758854a 2018-05-20 omar.polo break;
293 8758854a 2018-05-20 omar.polo if (c == '"') {
294 8758854a 2018-05-20 omar.polo str++; // skip only this char
295 8758854a 2018-05-20 omar.polo continue;
297 8758854a 2018-05-20 omar.polo s[p] = c;
299 8758854a 2018-05-20 omar.polo str++;
301 8758854a 2018-05-20 omar.polo return s;
304 f5e234d6 2018-05-18 omar.polo // read an arbitrary long line from stdin and return a pointer to it
305 f5e234d6 2018-05-18 omar.polo // TODO: resize the allocated memory to exactly fit the string once
306 f5e234d6 2018-05-18 omar.polo // read?
307 f5e234d6 2018-05-18 omar.polo char *readline(bool *eof) {
308 f5e234d6 2018-05-18 omar.polo int maxlen = 8;
309 f5e234d6 2018-05-18 omar.polo char *str = calloc(maxlen, sizeof(char));
310 f5e234d6 2018-05-18 omar.polo if (str == nil) {
311 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Cannot allocate memory!\n");
312 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
315 f5e234d6 2018-05-18 omar.polo int c;
316 f5e234d6 2018-05-18 omar.polo while((c = getchar()) != EOF) {
317 f5e234d6 2018-05-18 omar.polo if (c == '\n')
318 f5e234d6 2018-05-18 omar.polo return str;
320 f5e234d6 2018-05-18 omar.polo maxlen = pushc(&str, maxlen, c);
322 f5e234d6 2018-05-18 omar.polo if (maxlen == -1) {
323 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Cannot allocate memory!\n");
324 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
327 f5e234d6 2018-05-18 omar.polo *eof = true;
328 f5e234d6 2018-05-18 omar.polo return str;
331 95b27a5e 2018-05-19 omar.polo int readlines (char ***lns, int items) {
332 f5e234d6 2018-05-18 omar.polo bool finished = false;
333 f5e234d6 2018-05-18 omar.polo int n = 0;
334 95b27a5e 2018-05-19 omar.polo char **lines = *lns;
335 95b27a5e 2018-05-19 omar.polo while (true) {
336 f5e234d6 2018-05-18 omar.polo lines[n] = readline(&finished);
338 6da98882 2018-05-20 omar.polo if (strlen(lines[n]) == 0 || lines[n][0] == '\n') {
339 6da98882 2018-05-20 omar.polo free(lines[n]);
340 f5e234d6 2018-05-18 omar.polo --n; // forget about this line
343 f5e234d6 2018-05-18 omar.polo if (finished)
344 f5e234d6 2018-05-18 omar.polo break;
348 95b27a5e 2018-05-19 omar.polo if (n == items - 1) {
349 95b27a5e 2018-05-19 omar.polo items += items >>1;
350 95b27a5e 2018-05-19 omar.polo char **l = realloc(lines, sizeof(char*) * items);
351 95b27a5e 2018-05-19 omar.polo check_allocation(l);
352 95b27a5e 2018-05-19 omar.polo *lns = l;
353 95b27a5e 2018-05-19 omar.polo lines = l;
358 f5e234d6 2018-05-18 omar.polo lines[n] = nil;
359 95b27a5e 2018-05-19 omar.polo return items;
362 25bf99d2 2018-05-22 omar.polo // Compute the dimension of the string str once rendered, return the
363 25bf99d2 2018-05-22 omar.polo // width and save the width and the height in ret_width and ret_height
364 c9a3bfaa 2018-05-21 omar.polo int text_extents(char *str, int len, struct rendering *r, int *ret_width, int *ret_height) {
365 c9a3bfaa 2018-05-21 omar.polo int height;
366 c9a3bfaa 2018-05-21 omar.polo int width;
367 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
368 c9a3bfaa 2018-05-21 omar.polo XGlyphInfo gi;
369 c9a3bfaa 2018-05-21 omar.polo XftTextExtentsUtf8(r->d, r->font, str, len, &gi);
370 25bf99d2 2018-05-22 omar.polo /* height = gi.height; */
371 e5186d6b 2018-05-26 omar.polo /* height = (gi.height + (r->font->ascent - r->font->descent)/2) / 2; */
372 e5186d6b 2018-05-26 omar.polo /* height = (r->font->ascent - r->font->descent)/2 + gi.height*2; */
373 e5186d6b 2018-05-26 omar.polo height = r->font->ascent - r->font->descent;
374 c9a3bfaa 2018-05-21 omar.polo width = gi.width - gi.x;
376 c9a3bfaa 2018-05-21 omar.polo XRectangle rect;
377 c9a3bfaa 2018-05-21 omar.polo XmbTextExtents(*r->font, str, len, nil, &rect);
378 c9a3bfaa 2018-05-21 omar.polo height = rect.height;
379 c9a3bfaa 2018-05-21 omar.polo width = rect.width;
380 c9a3bfaa 2018-05-21 omar.polo #endif
381 c9a3bfaa 2018-05-21 omar.polo if (ret_width != nil) *ret_width = width;
382 c9a3bfaa 2018-05-21 omar.polo if (ret_height != nil) *ret_height = height;
383 c9a3bfaa 2018-05-21 omar.polo return width;
386 25bf99d2 2018-05-22 omar.polo // Draw the string str
387 c9a3bfaa 2018-05-21 omar.polo void draw_string(char *str, int len, int x, int y, struct rendering *r, enum text_type tt) {
388 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
389 c9a3bfaa 2018-05-21 omar.polo XftColor xftcolor;
390 c9a3bfaa 2018-05-21 omar.polo if (tt == PROMPT) xftcolor = r->xft_prompt;
391 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL) xftcolor = r->xft_completion;
392 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL_HIGH) xftcolor = r->xft_completion_highlighted;
394 c9a3bfaa 2018-05-21 omar.polo XftDrawStringUtf8(r->xftdraw, &xftcolor, r->font, x, y, str, len);
396 c9a3bfaa 2018-05-21 omar.polo GC gc;
397 c9a3bfaa 2018-05-21 omar.polo if (tt == PROMPT) gc = r->prompt;
398 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL) gc = r->completion;
399 c9a3bfaa 2018-05-21 omar.polo if (tt == COMPL_HIGH) gc = r->completion_highlighted;
400 c9a3bfaa 2018-05-21 omar.polo Xutf8DrawString(r->d, r->w, *r->font, gc, x, y, str, len);
401 c9a3bfaa 2018-05-21 omar.polo #endif
404 25bf99d2 2018-05-22 omar.polo // Duplicate the string str and substitute every space with a 'n'
405 c9a3bfaa 2018-05-21 omar.polo char *strdupn(char *str) {
406 c9a3bfaa 2018-05-21 omar.polo int len = strlen(str);
408 c9a3bfaa 2018-05-21 omar.polo if (str == nil || len == 0)
409 c9a3bfaa 2018-05-21 omar.polo return nil;
411 c9a3bfaa 2018-05-21 omar.polo char *dup = strdup(str);
412 c9a3bfaa 2018-05-21 omar.polo if (dup == nil)
413 c9a3bfaa 2018-05-21 omar.polo return nil;
415 c9a3bfaa 2018-05-21 omar.polo for (int i = 0; i < len; ++i)
416 c9a3bfaa 2018-05-21 omar.polo if (dup[i] == ' ')
417 c9a3bfaa 2018-05-21 omar.polo dup[i] = 'n';
419 c9a3bfaa 2018-05-21 omar.polo return dup;
422 f5e234d6 2018-05-18 omar.polo // |------------------|----------------------------------------------|
423 f5e234d6 2018-05-18 omar.polo // | 20 char text | completion | completion | completion | compl |
424 f5e234d6 2018-05-18 omar.polo // |------------------|----------------------------------------------|
425 36a15a9f 2018-05-19 omar.polo void draw_horizontally(struct rendering *r, char *text, struct completions *cs) {
426 f5e234d6 2018-05-18 omar.polo int prompt_width = 20; // char
428 c9a3bfaa 2018-05-21 omar.polo int width, height;
429 c9a3bfaa 2018-05-21 omar.polo char *ps1_dup = strdupn(r->ps1);
430 e5186d6b 2018-05-26 omar.polo if (ps1_dup == nil)
431 e5186d6b 2018-05-26 omar.polo return;
433 c9a3bfaa 2018-05-21 omar.polo ps1_dup = ps1_dup == nil ? r->ps1 : ps1_dup;
434 c9a3bfaa 2018-05-21 omar.polo int ps1xlen = text_extents(ps1_dup, r->ps1len, r, &width, &height);
435 c9a3bfaa 2018-05-21 omar.polo free(ps1_dup);
436 8758854a 2018-05-20 omar.polo int start_at = ps1xlen;
438 c9a3bfaa 2018-05-21 omar.polo start_at = text_extents("n", 1, r, nil, nil);
439 e5186d6b 2018-05-26 omar.polo start_at = start_at * prompt_width + r->padding;
441 c9a3bfaa 2018-05-21 omar.polo int texty = (height + r->height) >>1;
443 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, r->prompt_bg, 0, 0, start_at, r->height);
445 f5e234d6 2018-05-18 omar.polo int text_len = strlen(text);
446 f5e234d6 2018-05-18 omar.polo if (text_len > prompt_width)
447 f5e234d6 2018-05-18 omar.polo text = text + (text_len - prompt_width);
448 e5186d6b 2018-05-26 omar.polo draw_string(r->ps1, r->ps1len, r->padding, texty, r, PROMPT);
449 e5186d6b 2018-05-26 omar.polo draw_string(text, MIN(text_len, prompt_width), r->padding + ps1xlen, texty, r, PROMPT);
451 f5e234d6 2018-05-18 omar.polo XFillRectangle(r->d, r->w, r->completion_bg, start_at, 0, r->width, r->height);
453 f5e234d6 2018-05-18 omar.polo while (cs != nil) {
454 c9a3bfaa 2018-05-21 omar.polo enum text_type tt = cs->selected ? COMPL_HIGH : COMPL;
455 f5e234d6 2018-05-18 omar.polo GC h = cs->selected ? r->completion_highlighted_bg : r->completion_bg;
457 f5e234d6 2018-05-18 omar.polo int len = strlen(cs->completion);
458 c9a3bfaa 2018-05-21 omar.polo int text_width = text_extents(cs->completion, len, r, nil, nil);
460 e5186d6b 2018-05-26 omar.polo XFillRectangle(r->d, r->w, h, start_at, 0, text_width + r->padding*2, r->height);
462 e5186d6b 2018-05-26 omar.polo draw_string(cs->completion, len, start_at + r->padding, texty, r, tt);
464 e5186d6b 2018-05-26 omar.polo start_at += text_width + r->padding * 2;
466 0ee198aa 2018-05-19 omar.polo if (start_at > r->width)
467 0ee198aa 2018-05-19 omar.polo break; // don't draw completion if the space isn't enough
469 f5e234d6 2018-05-18 omar.polo cs = cs->next;
472 f5e234d6 2018-05-18 omar.polo XFlush(r->d);
475 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
476 36a15a9f 2018-05-19 omar.polo // | prompt |
477 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
478 36a15a9f 2018-05-19 omar.polo // | completion |
479 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
480 36a15a9f 2018-05-19 omar.polo // | completion |
481 36a15a9f 2018-05-19 omar.polo // |-----------------------------------------------------------------|
482 e5186d6b 2018-05-26 omar.polo void draw_vertically(struct rendering *r, char *text, struct completions *cs) {
483 c9a3bfaa 2018-05-21 omar.polo int height, width;
484 e5186d6b 2018-05-26 omar.polo text_extents("fjpgl", 5, r, nil, &height);
485 e5186d6b 2018-05-26 omar.polo int start_at = height + r->padding;
487 36a15a9f 2018-05-19 omar.polo XFillRectangle(r->d, r->w, r->completion_bg, 0, 0, r->width, r->height);
488 36a15a9f 2018-05-19 omar.polo XFillRectangle(r->d, r->w, r->prompt_bg, 0, 0, r->width, start_at);
490 c9a3bfaa 2018-05-21 omar.polo char *ps1_dup = strdupn(r->ps1);
491 c9a3bfaa 2018-05-21 omar.polo ps1_dup = ps1_dup == nil ? r->ps1 : ps1_dup;
492 c9a3bfaa 2018-05-21 omar.polo int ps1xlen = text_extents(ps1_dup, r->ps1len, r, nil, nil);
493 c9a3bfaa 2018-05-21 omar.polo free(ps1_dup);
495 e5186d6b 2018-05-26 omar.polo draw_string(r->ps1, r->ps1len, r->padding, height + r->padding, r, PROMPT);
496 e5186d6b 2018-05-26 omar.polo draw_string(text, strlen(text), r->padding + ps1xlen, height + r->padding, r, PROMPT);
497 e5186d6b 2018-05-26 omar.polo start_at += r->padding;
499 36a15a9f 2018-05-19 omar.polo while (cs != nil) {
500 c9a3bfaa 2018-05-21 omar.polo enum text_type tt = cs->selected ? COMPL_HIGH : COMPL;
501 36a15a9f 2018-05-19 omar.polo GC h = cs->selected ? r->completion_highlighted_bg : r->completion_bg;
503 36a15a9f 2018-05-19 omar.polo int len = strlen(cs->completion);
504 c9a3bfaa 2018-05-21 omar.polo text_extents(cs->completion, len, r, &width, &height);
505 e5186d6b 2018-05-26 omar.polo XFillRectangle(r->d, r->w, h, 0, start_at, r->width, height + r->padding*2);
506 e5186d6b 2018-05-26 omar.polo draw_string(cs->completion, len, r->padding, start_at + height + r->padding, r, tt);
508 e5186d6b 2018-05-26 omar.polo start_at += height + r->padding *2;
510 0ee198aa 2018-05-19 omar.polo if (start_at > r->height)
511 0ee198aa 2018-05-19 omar.polo break; // don't draw completion if the space isn't enough
513 36a15a9f 2018-05-19 omar.polo cs = cs->next;
516 36a15a9f 2018-05-19 omar.polo XFlush(r->d);
519 36a15a9f 2018-05-19 omar.polo void draw(struct rendering *r, char *text, struct completions *cs) {
520 36a15a9f 2018-05-19 omar.polo if (r->horizontal_layout)
521 36a15a9f 2018-05-19 omar.polo draw_horizontally(r, text, cs);
523 36a15a9f 2018-05-19 omar.polo draw_vertically(r, text, cs);
526 f5e234d6 2018-05-18 omar.polo /* Set some WM stuff */
527 f5e234d6 2018-05-18 omar.polo void set_win_atoms_hints(Display *d, Window w, int width, int height) {
528 f5e234d6 2018-05-18 omar.polo Atom type;
529 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_WINDOW_TYPE_DOCK", false);
530 f5e234d6 2018-05-18 omar.polo XChangeProperty(
533 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_WINDOW_TYPE", false),
534 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
536 f5e234d6 2018-05-18 omar.polo PropModeReplace,
537 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
541 f5e234d6 2018-05-18 omar.polo /* some window managers honor this properties */
542 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_STATE_ABOVE", false);
543 f5e234d6 2018-05-18 omar.polo XChangeProperty(d,
545 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_STATE", false),
546 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
548 f5e234d6 2018-05-18 omar.polo PropModeReplace,
549 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
553 f5e234d6 2018-05-18 omar.polo type = XInternAtom(d, "_NET_WM_STATE_FOCUSED", false);
554 f5e234d6 2018-05-18 omar.polo XChangeProperty(d,
556 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "_NET_WM_STATE", false),
557 f5e234d6 2018-05-18 omar.polo XInternAtom(d, "ATOM", false),
559 f5e234d6 2018-05-18 omar.polo PropModeAppend,
560 f5e234d6 2018-05-18 omar.polo (unsigned char *)&type,
564 f5e234d6 2018-05-18 omar.polo // setting window hints
565 f5e234d6 2018-05-18 omar.polo XClassHint *class_hint = XAllocClassHint();
566 f5e234d6 2018-05-18 omar.polo if (class_hint == nil) {
567 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory for class hint\n");
568 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
570 7ef37ee0 2018-05-21 omar.polo class_hint->res_name = resname;
571 7ef37ee0 2018-05-21 omar.polo class_hint->res_class = resclass;
572 f5e234d6 2018-05-18 omar.polo XSetClassHint(d, w, class_hint);
573 f5e234d6 2018-05-18 omar.polo XFree(class_hint);
575 f5e234d6 2018-05-18 omar.polo XSizeHints *size_hint = XAllocSizeHints();
576 f5e234d6 2018-05-18 omar.polo if (size_hint == nil) {
577 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not allocate memory for size hint\n");
578 f5e234d6 2018-05-18 omar.polo exit(EX_UNAVAILABLE);
580 7ef37ee0 2018-05-21 omar.polo size_hint->flags = PMinSize | PBaseSize;
581 f5e234d6 2018-05-18 omar.polo size_hint->min_width = width;
582 f5e234d6 2018-05-18 omar.polo size_hint->base_width = width;
583 f5e234d6 2018-05-18 omar.polo size_hint->min_height = height;
584 f5e234d6 2018-05-18 omar.polo size_hint->base_height = height;
586 f5e234d6 2018-05-18 omar.polo XFlush(d);
589 f5e234d6 2018-05-18 omar.polo void get_wh(Display *d, Window *w, int *width, int *height) {
590 f5e234d6 2018-05-18 omar.polo XWindowAttributes win_attr;
591 f5e234d6 2018-05-18 omar.polo XGetWindowAttributes(d, *w, &win_attr);
592 f5e234d6 2018-05-18 omar.polo *height = win_attr.height;
593 f5e234d6 2018-05-18 omar.polo *width = win_attr.width;
596 f5e234d6 2018-05-18 omar.polo // I know this may seem a little hackish BUT is the only way I managed
597 f5e234d6 2018-05-18 omar.polo // to actually grab that goddam keyboard. Only one call to
598 f5e234d6 2018-05-18 omar.polo // XGrabKeyboard does not always end up with the keyboard grabbed!
599 f5e234d6 2018-05-18 omar.polo int take_keyboard(Display *d, Window w) {
600 686e9237 2018-05-18 omar.polo int i;
601 686e9237 2018-05-18 omar.polo for (i = 0; i < 100; i++) {
602 686e9237 2018-05-18 omar.polo if (XGrabKeyboard(d, w, True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
603 686e9237 2018-05-18 omar.polo return 1;
604 686e9237 2018-05-18 omar.polo usleep(1000);
606 686e9237 2018-05-18 omar.polo return 0;
609 f5e234d6 2018-05-18 omar.polo void release_keyboard(Display *d) {
610 686e9237 2018-05-18 omar.polo XUngrabKeyboard(d, CurrentTime);
613 25bf99d2 2018-05-22 omar.polo int parse_integer(const char *str, int default_value) {
614 25bf99d2 2018-05-22 omar.polo /* int len = strlen(str); */
615 25bf99d2 2018-05-22 omar.polo /* if (len > 0 && str[len-1] == '%') { */
616 25bf99d2 2018-05-22 omar.polo /* char *cpy = strdup(str); */
617 25bf99d2 2018-05-22 omar.polo /* check_allocation(cpy); */
618 25bf99d2 2018-05-22 omar.polo /* cpy[len-1] = '\0'; */
619 25bf99d2 2018-05-22 omar.polo /* int val = parse_integer(cpy, default_value, max); */
620 25bf99d2 2018-05-22 omar.polo /* free(cpy); */
621 25bf99d2 2018-05-22 omar.polo /* return val * max / 100; */
622 25bf99d2 2018-05-22 omar.polo /* } */
624 f5e234d6 2018-05-18 omar.polo errno = 0;
625 f5e234d6 2018-05-18 omar.polo char *ep;
626 f5e234d6 2018-05-18 omar.polo long lval = strtol(str, &ep, 10);
627 f5e234d6 2018-05-18 omar.polo if (str[0] == '\0' || *ep != '\0') { // NaN
628 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "'%s' is not a valid number! Using %d as default.\n", str, default_value);
629 f5e234d6 2018-05-18 omar.polo return default_value;
631 f5e234d6 2018-05-18 omar.polo if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
632 f5e234d6 2018-05-18 omar.polo (lval > INT_MAX || lval < INT_MIN)) {
633 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "%s out of range! Using %d as default.\n", str, default_value);
634 f5e234d6 2018-05-18 omar.polo return default_value;
636 f5e234d6 2018-05-18 omar.polo return lval;
639 25bf99d2 2018-05-22 omar.polo int parse_int_with_percentage(const char *str, int default_value, int max) {
640 25bf99d2 2018-05-22 omar.polo int len = strlen(str);
641 25bf99d2 2018-05-22 omar.polo if (len > 0 && str[len-1] == '%') {
642 25bf99d2 2018-05-22 omar.polo char *cpy = strdup(str);
643 25bf99d2 2018-05-22 omar.polo check_allocation(cpy);
644 25bf99d2 2018-05-22 omar.polo cpy[len-1] = '\0';
645 25bf99d2 2018-05-22 omar.polo int val = parse_integer(cpy, default_value);
646 25bf99d2 2018-05-22 omar.polo free(cpy);
647 25bf99d2 2018-05-22 omar.polo return val * max / 100;
649 576ab141 2018-05-22 omar.polo return parse_integer(str, default_value);
652 f5e234d6 2018-05-18 omar.polo int parse_int_with_middle(const char *str, int default_value, int max, int self) {
653 f5e234d6 2018-05-18 omar.polo if (!strcmp(str, "middle")) {
654 f5e234d6 2018-05-18 omar.polo return (max - self)/2;
656 25bf99d2 2018-05-22 omar.polo return parse_int_with_percentage(str, default_value, max);
659 f5e234d6 2018-05-18 omar.polo int main() {
660 95b27a5e 2018-05-19 omar.polo char **lines = calloc(INITIAL_ITEMS, sizeof(char*));
661 6da98882 2018-05-20 omar.polo int nlines = readlines(&lines, INITIAL_ITEMS);
663 f5e234d6 2018-05-18 omar.polo setlocale(LC_ALL, getenv("LANG"));
665 f5e234d6 2018-05-18 omar.polo enum state status = LOOPING;
667 f5e234d6 2018-05-18 omar.polo // where the monitor start (used only with xinerama)
668 f5e234d6 2018-05-18 omar.polo int offset_x = 0;
669 f5e234d6 2018-05-18 omar.polo int offset_y = 0;
671 f5e234d6 2018-05-18 omar.polo // width and height of the window
672 f5e234d6 2018-05-18 omar.polo int width = 400;
673 f5e234d6 2018-05-18 omar.polo int height = 20;
675 f5e234d6 2018-05-18 omar.polo // position on the screen
676 f5e234d6 2018-05-18 omar.polo int x = 0;
677 f5e234d6 2018-05-18 omar.polo int y = 0;
679 e5186d6b 2018-05-26 omar.polo int padding = 10;
681 8758854a 2018-05-20 omar.polo char *ps1 = strdup("$ ");
682 8758854a 2018-05-20 omar.polo check_allocation(ps1);
684 9e94fcbe 2018-05-22 omar.polo char *fontname = strdup(default_fontname);
685 f5e234d6 2018-05-18 omar.polo check_allocation(fontname);
687 f5e234d6 2018-05-18 omar.polo int textlen = 10;
688 f5e234d6 2018-05-18 omar.polo char *text = malloc(textlen * sizeof(char));
689 f5e234d6 2018-05-18 omar.polo check_allocation(text);
691 f5e234d6 2018-05-18 omar.polo struct completions *cs = filter(text, lines);
692 f5e234d6 2018-05-18 omar.polo bool nothing_selected = true;
694 f5e234d6 2018-05-18 omar.polo // start talking to xorg
695 f5e234d6 2018-05-18 omar.polo Display *d = XOpenDisplay(nil);
696 f5e234d6 2018-05-18 omar.polo if (d == nil) {
697 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "Could not open display!\n");
698 f5e234d6 2018-05-18 omar.polo return EX_UNAVAILABLE;
701 f5e234d6 2018-05-18 omar.polo // get display size
702 f5e234d6 2018-05-18 omar.polo // XXX: is getting the default root window dimension correct?
703 f5e234d6 2018-05-18 omar.polo XWindowAttributes xwa;
704 f5e234d6 2018-05-18 omar.polo XGetWindowAttributes(d, DefaultRootWindow(d), &xwa);
705 f5e234d6 2018-05-18 omar.polo int d_width = xwa.width;
706 f5e234d6 2018-05-18 omar.polo int d_height = xwa.height;
708 f5e234d6 2018-05-18 omar.polo #ifdef USE_XINERAMA
709 f5e234d6 2018-05-18 omar.polo if (XineramaIsActive(d)) {
710 7ca8829b 2018-05-21 omar.polo // find the mice
711 7ca8829b 2018-05-21 omar.polo int number_of_screens = XScreenCount(d);
712 7ca8829b 2018-05-21 omar.polo Window r;
713 7ca8829b 2018-05-21 omar.polo Window root;
714 7ca8829b 2018-05-21 omar.polo int root_x, root_y, win_x, win_y;
715 7ca8829b 2018-05-21 omar.polo unsigned int mask;
716 7ca8829b 2018-05-21 omar.polo bool res;
717 7ca8829b 2018-05-21 omar.polo for (int i = 0; i < number_of_screens; ++i) {
718 7ca8829b 2018-05-21 omar.polo root = XRootWindow(d, i);
719 7ca8829b 2018-05-21 omar.polo res = XQueryPointer(d, root, &r, &r, &root_x, &root_y, &win_x, &win_y, &mask);
720 7ca8829b 2018-05-21 omar.polo if (res) break;
722 7ca8829b 2018-05-21 omar.polo if (!res) {
723 7ca8829b 2018-05-21 omar.polo fprintf(stderr, "No mouse found.\n");
724 7ca8829b 2018-05-21 omar.polo root_x = 0;
725 7ca8829b 2018-05-21 omar.polo root_y = 0;
728 7ca8829b 2018-05-21 omar.polo // now find in which monitor the mice is on
729 f5e234d6 2018-05-18 omar.polo int monitors;
730 f5e234d6 2018-05-18 omar.polo XineramaScreenInfo *info = XineramaQueryScreens(d, &monitors);
731 7ca8829b 2018-05-21 omar.polo if (info) {
732 f5e234d6 2018-05-18 omar.polo for (int i = 0; i < monitors; ++i) {
733 7ca8829b 2018-05-21 omar.polo if (info[i].x_org <= root_x && root_x <= (info[i].x_org + info[i].width)
734 7ca8829b 2018-05-21 omar.polo && info[i].y_org <= root_y && root_y <= (info[i].y_org + info[i].height)) {
735 7ca8829b 2018-05-21 omar.polo offset_x = info[i].x_org;
736 7ca8829b 2018-05-21 omar.polo offset_y = info[i].y_org;
737 f5e234d6 2018-05-18 omar.polo d_width = info[i].width;
738 f5e234d6 2018-05-18 omar.polo d_height = info[i].height;
739 7ca8829b 2018-05-21 omar.polo break;
743 f5e234d6 2018-05-18 omar.polo XFree(info);
745 f5e234d6 2018-05-18 omar.polo #endif
747 f5e234d6 2018-05-18 omar.polo Colormap cmap = DefaultColormap(d, DefaultScreen(d));
748 f5e234d6 2018-05-18 omar.polo XColor p_fg, p_bg,
749 f5e234d6 2018-05-18 omar.polo compl_fg, compl_bg,
750 f5e234d6 2018-05-18 omar.polo compl_highlighted_fg, compl_highlighted_bg;
752 36a15a9f 2018-05-19 omar.polo bool horizontal_layout = true;
754 f5e234d6 2018-05-18 omar.polo // read resource
755 f5e234d6 2018-05-18 omar.polo XrmInitialize();
756 f5e234d6 2018-05-18 omar.polo char *xrm = XResourceManagerString(d);
757 347d23da 2018-05-19 omar.polo XrmDatabase xdb = nil;
758 f5e234d6 2018-05-18 omar.polo if (xrm != nil) {
759 347d23da 2018-05-19 omar.polo xdb = XrmGetStringDatabase(xrm);
760 f5e234d6 2018-05-18 omar.polo XrmValue value;
761 f5e234d6 2018-05-18 omar.polo char *datatype[20];
763 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.font", "*", datatype, &value) == true) {
764 f5e234d6 2018-05-18 omar.polo fontname = strdup(value.addr);
765 f5e234d6 2018-05-18 omar.polo check_allocation(fontname);
768 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no font defined, using %s\n", fontname);
770 36a15a9f 2018-05-19 omar.polo if (XrmGetResource(xdb, "MyMenu.layout", "*", datatype, &value) == true) {
771 36a15a9f 2018-05-19 omar.polo char *v = strdup(value.addr);
772 36a15a9f 2018-05-19 omar.polo check_allocation(v);
773 36a15a9f 2018-05-19 omar.polo horizontal_layout = !strcmp(v, "horizontal");
774 36a15a9f 2018-05-19 omar.polo free(v);
777 36a15a9f 2018-05-19 omar.polo fprintf(stderr, "no layout defined, using horizontal\n");
779 8758854a 2018-05-20 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt", "*", datatype, &value) == true) {
780 8758854a 2018-05-20 omar.polo free(ps1);
781 8758854a 2018-05-20 omar.polo ps1 = normalize_str(value.addr);
782 8758854a 2018-05-20 omar.polo } else
783 8758854a 2018-05-20 omar.polo fprintf(stderr, "no prompt defined, using \"%s\" as default\n", ps1);
785 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.width", "*", datatype, &value) == true)
786 25bf99d2 2018-05-22 omar.polo width = parse_int_with_percentage(value.addr, width, d_width);
788 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no width defined, using %d\n", width);
790 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.height", "*", datatype, &value) == true)
791 25bf99d2 2018-05-22 omar.polo height = parse_int_with_percentage(value.addr, height, d_height);
793 f5e234d6 2018-05-18 omar.polo fprintf(stderr, "no height defined, using %d\n", height);
795 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.x", "*", datatype, &value) == true)
796 f5e234d6 2018-05-18 omar.polo x = parse_int_with_middle(value.addr, x, d_width, width);
798 e5186d6b 2018-05-26 omar.polo fprintf(stderr, "no x defined, using %d\n", x);
800 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.y", "*", datatype, &value) == true)
801 f5e234d6 2018-05-18 omar.polo y = parse_int_with_middle(value.addr, y, d_height, height);
803 e5186d6b 2018-05-26 omar.polo fprintf(stderr, "no y defined, using %d\n", y);
805 e5186d6b 2018-05-26 omar.polo if (XrmGetResource(xdb, "MyMenu.padding", "*", datatype, &value) == true)
806 e5186d6b 2018-05-26 omar.polo padding = parse_integer(value.addr, padding);
808 e5186d6b 2018-05-26 omar.polo fprintf(stderr, "no y defined, using %d\n", padding);
810 f5e234d6 2018-05-18 omar.polo XColor tmp;
811 f5e234d6 2018-05-18 omar.polo // TODO: tmp needs to be free'd after every allocation?
813 f5e234d6 2018-05-18 omar.polo // prompt
814 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt.foreground", "*", datatype, &value) == true)
815 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &p_fg, &tmp);
817 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &p_fg, &tmp);
819 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.prompt.background", "*", datatype, &value) == true)
820 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &p_bg, &tmp);
822 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &p_bg, &tmp);
824 f5e234d6 2018-05-18 omar.polo // completion
825 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion.foreground", "*", datatype, &value) == true)
826 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_fg, &tmp);
828 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_fg, &tmp);
830 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion.background", "*", datatype, &value) == true)
831 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_bg, &tmp);
833 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_bg, &tmp);
835 f5e234d6 2018-05-18 omar.polo // completion highlighted
836 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion_highlighted.foreground", "*", datatype, &value) == true)
837 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_highlighted_fg, &tmp);
839 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_highlighted_fg, &tmp);
841 f5e234d6 2018-05-18 omar.polo if (XrmGetResource(xdb, "MyMenu.completion_highlighted.background", "*", datatype, &value) == true)
842 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, value.addr, &compl_highlighted_bg, &tmp);
844 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_highlighted_bg, &tmp);
845 f5e234d6 2018-05-18 omar.polo } else {
846 f5e234d6 2018-05-18 omar.polo XColor tmp;
847 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &p_fg, &tmp);
848 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &p_bg, &tmp);
849 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_fg, &tmp);
850 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_bg, &tmp);
851 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "black", &compl_highlighted_fg, &tmp);
852 f5e234d6 2018-05-18 omar.polo XAllocNamedColor(d, cmap, "white", &compl_highlighted_bg, &tmp);
855 f5e234d6 2018-05-18 omar.polo // load the font
856 347d23da 2018-05-19 omar.polo /* XFontStruct *font = XLoadQueryFont(d, fontname); */
857 347d23da 2018-05-19 omar.polo /* if (font == nil) { */
858 347d23da 2018-05-19 omar.polo /* fprintf(stderr, "Unable to load %s font\n", fontname); */
859 347d23da 2018-05-19 omar.polo /* font = XLoadQueryFont(d, "fixed"); */
860 347d23da 2018-05-19 omar.polo /* } */
861 347d23da 2018-05-19 omar.polo // load the font
862 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
863 c9a3bfaa 2018-05-21 omar.polo XftFont *font = XftFontOpenName(d, DefaultScreen(d), fontname);
865 347d23da 2018-05-19 omar.polo char **missing_charset_list;
866 347d23da 2018-05-19 omar.polo int missing_charset_count;
867 347d23da 2018-05-19 omar.polo XFontSet font = XCreateFontSet(d, fontname, &missing_charset_list, &missing_charset_count, nil);
868 f5e234d6 2018-05-18 omar.polo if (font == nil) {
869 347d23da 2018-05-19 omar.polo fprintf(stderr, "Unable to load the font(s) %s\n", fontname);
870 347d23da 2018-05-19 omar.polo return EX_UNAVAILABLE;
872 c9a3bfaa 2018-05-21 omar.polo #endif
874 f5e234d6 2018-05-18 omar.polo // create the window
875 f5e234d6 2018-05-18 omar.polo XSetWindowAttributes attr;
876 55bd6842 2018-05-21 omar.polo attr.override_redirect = true;
878 f5e234d6 2018-05-18 omar.polo Window w = XCreateWindow(d, // display
879 f5e234d6 2018-05-18 omar.polo DefaultRootWindow(d), // parent
880 f5e234d6 2018-05-18 omar.polo x + offset_x, y + offset_y, // x y
881 f5e234d6 2018-05-18 omar.polo width, height, // w h
882 f5e234d6 2018-05-18 omar.polo 0, // border width
883 f5e234d6 2018-05-18 omar.polo DefaultDepth(d, DefaultScreen(d)), // depth
884 f5e234d6 2018-05-18 omar.polo InputOutput, // class
885 f5e234d6 2018-05-18 omar.polo DefaultVisual(d, DefaultScreen(d)), // visual
886 55bd6842 2018-05-21 omar.polo CWOverrideRedirect, // value mask
887 f5e234d6 2018-05-18 omar.polo &attr);
889 f5e234d6 2018-05-18 omar.polo set_win_atoms_hints(d, w, width, height);
891 f5e234d6 2018-05-18 omar.polo // we want some events
892 c9a3bfaa 2018-05-21 omar.polo XSelectInput(d, w, StructureNotifyMask | KeyPressMask | KeymapStateMask);
894 f5e234d6 2018-05-18 omar.polo // make the window appear on the screen
895 f5e234d6 2018-05-18 omar.polo XMapWindow(d, w);
897 f5e234d6 2018-05-18 omar.polo // wait for the MapNotify event (i.e. the event "window rendered")
898 f5e234d6 2018-05-18 omar.polo for (;;) {
899 f5e234d6 2018-05-18 omar.polo XEvent e;
900 f5e234d6 2018-05-18 omar.polo XNextEvent(d, &e);
901 f5e234d6 2018-05-18 omar.polo if (e.type == MapNotify)
902 f5e234d6 2018-05-18 omar.polo break;
905 f5e234d6 2018-05-18 omar.polo // get the *real* width & height after the window was rendered
906 f5e234d6 2018-05-18 omar.polo get_wh(d, &w, &width, &height);
908 f5e234d6 2018-05-18 omar.polo // grab keyboard
909 f5e234d6 2018-05-18 omar.polo take_keyboard(d, w);
911 f5e234d6 2018-05-18 omar.polo // Create some graphics contexts
912 f5e234d6 2018-05-18 omar.polo XGCValues values;
913 347d23da 2018-05-19 omar.polo /* values.font = font->fid; */
915 f5e234d6 2018-05-18 omar.polo struct rendering r = {
916 f5e234d6 2018-05-18 omar.polo .d = d,
917 f5e234d6 2018-05-18 omar.polo .w = w,
918 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
919 c9a3bfaa 2018-05-21 omar.polo .font = font,
921 c9a3bfaa 2018-05-21 omar.polo .font = &font,
922 c9a3bfaa 2018-05-21 omar.polo #endif
923 347d23da 2018-05-19 omar.polo .prompt = XCreateGC(d, w, 0, &values),
924 347d23da 2018-05-19 omar.polo .prompt_bg = XCreateGC(d, w, 0, &values),
925 347d23da 2018-05-19 omar.polo .completion = XCreateGC(d, w, 0, &values),
926 347d23da 2018-05-19 omar.polo .completion_bg = XCreateGC(d, w, 0, &values),
927 347d23da 2018-05-19 omar.polo .completion_highlighted = XCreateGC(d, w, 0, &values),
928 347d23da 2018-05-19 omar.polo .completion_highlighted_bg = XCreateGC(d, w, 0, &values),
929 f5e234d6 2018-05-18 omar.polo .width = width,
930 f5e234d6 2018-05-18 omar.polo .height = height,
931 e5186d6b 2018-05-26 omar.polo .padding = padding,
932 8758854a 2018-05-20 omar.polo .horizontal_layout = horizontal_layout,
933 8758854a 2018-05-20 omar.polo .ps1 = ps1,
934 8758854a 2018-05-20 omar.polo .ps1len = strlen(ps1)
937 7ca8829b 2018-05-21 omar.polo #ifdef USE_XFT
938 7ca8829b 2018-05-21 omar.polo r.xftdraw = XftDrawCreate(d, w, DefaultVisual(d, 0), DefaultColormap(d, 0));
940 7ca8829b 2018-05-21 omar.polo // prompt
941 7ca8829b 2018-05-21 omar.polo XRenderColor xrcolor;
942 7ca8829b 2018-05-21 omar.polo xrcolor.red = p_fg.red;
943 7ca8829b 2018-05-21 omar.polo xrcolor.green = p_fg.red;
944 7ca8829b 2018-05-21 omar.polo xrcolor.blue = p_fg.red;
945 7ca8829b 2018-05-21 omar.polo xrcolor.alpha = 65535;
946 7ca8829b 2018-05-21 omar.polo XftColorAllocValue(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &xrcolor, &r.xft_prompt);
948 7ca8829b 2018-05-21 omar.polo // completion
949 7ca8829b 2018-05-21 omar.polo xrcolor.red = compl_fg.red;
950 7ca8829b 2018-05-21 omar.polo xrcolor.green = compl_fg.green;
951 7ca8829b 2018-05-21 omar.polo xrcolor.blue = compl_fg.blue;
952 7ca8829b 2018-05-21 omar.polo xrcolor.alpha = 65535;
953 7ca8829b 2018-05-21 omar.polo XftColorAllocValue(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &xrcolor, &r.xft_completion);
955 7ca8829b 2018-05-21 omar.polo // completion highlighted
956 7ca8829b 2018-05-21 omar.polo xrcolor.red = compl_highlighted_fg.red;
957 7ca8829b 2018-05-21 omar.polo xrcolor.green = compl_highlighted_fg.green;
958 7ca8829b 2018-05-21 omar.polo xrcolor.blue = compl_highlighted_fg.blue;
959 7ca8829b 2018-05-21 omar.polo xrcolor.alpha = 65535;
960 7ca8829b 2018-05-21 omar.polo XftColorAllocValue(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &xrcolor, &r.xft_completion_highlighted);
961 c9a3bfaa 2018-05-21 omar.polo #endif
963 f5e234d6 2018-05-18 omar.polo // load the colors in our GCs
964 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.prompt, p_fg.pixel);
965 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.prompt_bg, p_bg.pixel);
966 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion, compl_fg.pixel);
967 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_bg, compl_bg.pixel);
968 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_highlighted, compl_highlighted_fg.pixel);
969 f5e234d6 2018-05-18 omar.polo XSetForeground(d, r.completion_highlighted_bg, compl_highlighted_bg.pixel);
971 347d23da 2018-05-19 omar.polo // open the X input method
972 347d23da 2018-05-19 omar.polo XIM xim = XOpenIM(d, xdb, resname, resclass);
973 347d23da 2018-05-19 omar.polo check_allocation(xim);
975 347d23da 2018-05-19 omar.polo XIMStyles *xis = nil;
976 347d23da 2018-05-19 omar.polo if (XGetIMValues(xim, XNQueryInputStyle, &xis, NULL) || !xis) {
977 347d23da 2018-05-19 omar.polo fprintf(stderr, "Input Styles could not be retrieved\n");
978 347d23da 2018-05-19 omar.polo return EX_UNAVAILABLE;
981 347d23da 2018-05-19 omar.polo XIMStyle bestMatchStyle = 0;
982 347d23da 2018-05-19 omar.polo for (int i = 0; i < xis->count_styles; ++i) {
983 347d23da 2018-05-19 omar.polo XIMStyle ts = xis->supported_styles[i];
984 347d23da 2018-05-19 omar.polo if (ts == (XIMPreeditNothing | XIMStatusNothing)) {
985 347d23da 2018-05-19 omar.polo bestMatchStyle = ts;
986 347d23da 2018-05-19 omar.polo break;
989 347d23da 2018-05-19 omar.polo XFree(xis);
991 347d23da 2018-05-19 omar.polo if (!bestMatchStyle) {
992 347d23da 2018-05-19 omar.polo fprintf(stderr, "No matching input style could be determined\n");
995 347d23da 2018-05-19 omar.polo XIC xic = XCreateIC(xim, XNInputStyle, bestMatchStyle, XNClientWindow, w, XNFocusWindow, w, NULL);
996 347d23da 2018-05-19 omar.polo check_allocation(xic);
998 f5e234d6 2018-05-18 omar.polo // draw the window for the first time
999 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
1001 f5e234d6 2018-05-18 omar.polo // main loop
1002 f5e234d6 2018-05-18 omar.polo while (status == LOOPING) {
1003 f5e234d6 2018-05-18 omar.polo XEvent e;
1004 f5e234d6 2018-05-18 omar.polo XNextEvent(d, &e);
1006 347d23da 2018-05-19 omar.polo if (XFilterEvent(&e, w))
1007 347d23da 2018-05-19 omar.polo continue;
1009 f5e234d6 2018-05-18 omar.polo switch (e.type) {
1010 f5e234d6 2018-05-18 omar.polo case KeymapNotify:
1011 f5e234d6 2018-05-18 omar.polo XRefreshKeyboardMapping(&e.xmapping);
1012 f5e234d6 2018-05-18 omar.polo break;
1014 347d23da 2018-05-19 omar.polo case KeyPress: {
1015 347d23da 2018-05-19 omar.polo XKeyPressedEvent *ev = (XKeyPressedEvent*)&e;
1017 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Tab)) {
1018 347d23da 2018-05-19 omar.polo bool shift = (ev->state & ShiftMask);
1019 8ecd98cc 2018-05-25 omar.polo complete(cs, nothing_selected, shift, text, textlen, status);
1020 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
1021 f5e234d6 2018-05-18 omar.polo break;
1024 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_BackSpace)) {
1025 f5e234d6 2018-05-18 omar.polo nothing_selected = true;
1026 f5e234d6 2018-05-18 omar.polo popc(text, textlen);
1027 f5e234d6 2018-05-18 omar.polo update_completions(cs, text, lines);
1028 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
1029 f5e234d6 2018-05-18 omar.polo break;
1032 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Return)) {
1033 347d23da 2018-05-19 omar.polo status = OK;
1034 347d23da 2018-05-19 omar.polo break;
1037 347d23da 2018-05-19 omar.polo if (ev->keycode == XKeysymToKeycode(d, XK_Escape)) {
1038 347d23da 2018-05-19 omar.polo status = ERR;
1039 347d23da 2018-05-19 omar.polo break;
1042 347d23da 2018-05-19 omar.polo // try to read what the user pressed
1043 347d23da 2018-05-19 omar.polo int symbol = 0;
1044 347d23da 2018-05-19 omar.polo Status s = 0;
1045 347d23da 2018-05-19 omar.polo Xutf8LookupString(xic, ev, (char*)&symbol, 4, 0, &s);
1047 347d23da 2018-05-19 omar.polo if (s == XBufferOverflow) {
1048 347d23da 2018-05-19 omar.polo // should not happen since there are no utf-8 characters
1049 347d23da 2018-05-19 omar.polo // larger than 24bits, but is something to be aware of when
1050 347d23da 2018-05-19 omar.polo // used to directly write to a string buffer
1051 347d23da 2018-05-19 omar.polo fprintf(stderr, "Buffer overflow when trying to create keyboard symbol map.\n");
1052 347d23da 2018-05-19 omar.polo break;
1054 347d23da 2018-05-19 omar.polo char *str = (char*)&symbol;
1056 347d23da 2018-05-19 omar.polo if (ev->state & ControlMask) {
1057 347d23da 2018-05-19 omar.polo // check for some key bindings
1058 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-u
1059 f5e234d6 2018-05-18 omar.polo nothing_selected = true;
1060 347d23da 2018-05-19 omar.polo for (int i = 0; i < textlen; ++i)
1061 347d23da 2018-05-19 omar.polo text[i] = 0;
1062 f5e234d6 2018-05-18 omar.polo update_completions(cs, text, lines);
1064 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-h
1065 347d23da 2018-05-19 omar.polo nothing_selected = true;
1066 347d23da 2018-05-19 omar.polo popc(text, textlen);
1067 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
1069 347d23da 2018-05-19 omar.polo if (!strcmp(str, "")) { // C-w
1070 347d23da 2018-05-19 omar.polo nothing_selected = true;
1072 347d23da 2018-05-19 omar.polo // `textlen` is the length of the allocated string, not the
1073 347d23da 2018-05-19 omar.polo // length of the ACTUAL string
1074 347d23da 2018-05-19 omar.polo int p = strlen(text) - 1;
1075 347d23da 2018-05-19 omar.polo if (p >= 0) { // delete the current char
1076 347d23da 2018-05-19 omar.polo text[p] = 0;
1079 347d23da 2018-05-19 omar.polo while (p >= 0 && isalnum(text[p])) {
1080 347d23da 2018-05-19 omar.polo text[p] = 0;
1083 347d23da 2018-05-19 omar.polo // erase also trailing white space
1084 347d23da 2018-05-19 omar.polo while (p >= 0 && isspace(text[p])) {
1085 347d23da 2018-05-19 omar.polo text[p] = 0;
1088 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
1090 347d23da 2018-05-19 omar.polo if (!strcmp(str, "\r")) { // C-m
1091 347d23da 2018-05-19 omar.polo status = OK;
1093 8ecd98cc 2018-05-25 omar.polo if (!strcmp(str, "")) {
1094 8ecd98cc 2018-05-25 omar.polo complete(cs, nothing_selected, true, text, textlen, status);
1096 8ecd98cc 2018-05-25 omar.polo if (!strcmp(str, "")) {
1097 8ecd98cc 2018-05-25 omar.polo complete(cs, nothing_selected, false, text, textlen, status);
1099 347d23da 2018-05-19 omar.polo draw(&r, text, cs);
1100 f5e234d6 2018-05-18 omar.polo break;
1103 347d23da 2018-05-19 omar.polo int str_len = strlen(str);
1104 347d23da 2018-05-19 omar.polo for (int i = 0; i < str_len; ++i) {
1105 347d23da 2018-05-19 omar.polo textlen = pushc(&text, textlen, str[i]);
1106 347d23da 2018-05-19 omar.polo if (textlen == -1) {
1107 347d23da 2018-05-19 omar.polo fprintf(stderr, "Memory allocation error\n");
1108 347d23da 2018-05-19 omar.polo status = ERR;
1109 347d23da 2018-05-19 omar.polo break;
1111 347d23da 2018-05-19 omar.polo nothing_selected = true;
1112 347d23da 2018-05-19 omar.polo update_completions(cs, text, lines);
1116 f5e234d6 2018-05-18 omar.polo draw(&r, text, cs);
1117 f5e234d6 2018-05-18 omar.polo break;
1119 f5e234d6 2018-05-18 omar.polo default:
1120 347d23da 2018-05-19 omar.polo fprintf(stderr, "Unknown event %d\n", e.type);
1124 f5e234d6 2018-05-18 omar.polo release_keyboard(d);
1126 f5e234d6 2018-05-18 omar.polo if (status == OK)
1127 f5e234d6 2018-05-18 omar.polo printf("%s\n", text);
1129 6da98882 2018-05-20 omar.polo for (int i = 0; i < nlines; ++i) {
1130 6da98882 2018-05-20 omar.polo free(lines[i]);
1133 c9a3bfaa 2018-05-21 omar.polo #ifdef USE_XFT
1134 c9a3bfaa 2018-05-21 omar.polo XftColorFree(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &r.xft_prompt);
1135 c9a3bfaa 2018-05-21 omar.polo XftColorFree(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &r.xft_completion);
1136 c9a3bfaa 2018-05-21 omar.polo XftColorFree(d, DefaultVisual(d, 0), DefaultColormap(d, 0), &r.xft_completion_highlighted);
1137 c9a3bfaa 2018-05-21 omar.polo #endif
1139 8758854a 2018-05-20 omar.polo free(ps1);
1140 f5e234d6 2018-05-18 omar.polo free(fontname);
1141 f5e234d6 2018-05-18 omar.polo free(text);
1142 95b27a5e 2018-05-19 omar.polo free(lines);
1143 f5e234d6 2018-05-18 omar.polo compl_delete(cs);
1145 8758854a 2018-05-20 omar.polo XDestroyWindow(d, w);
1146 f5e234d6 2018-05-18 omar.polo XCloseDisplay(d);
1148 f5e234d6 2018-05-18 omar.polo return status == OK ? 0 : 1;
