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cfa78eaa RK |
1 | /* |
2 | * This file is part of DisOrder | |
3 | * Copyright (C) 2008 Richard Kettlewell | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
18 | * USA | |
19 | */ | |
bb9bcc90 RK |
20 | /** @file disobedience/search.c |
21 | * @brief Search support | |
bb9bcc90 | 22 | */ |
cfa78eaa RK |
23 | #include "disobedience.h" |
24 | #include "choose.h" | |
25 | ||
bd802f22 RK |
26 | int choose_auto_expanding; |
27 | ||
a59663d4 | 28 | GtkWidget *choose_search_entry; |
cfa78eaa RK |
29 | static GtkWidget *choose_next; |
30 | static GtkWidget *choose_prev; | |
31 | static GtkWidget *choose_clear; | |
32 | ||
33 | /** @brief True if a search command is in flight */ | |
34 | static int choose_searching; | |
35 | ||
36 | /** @brief True if in-flight search is now known to be obsolete */ | |
37 | static int choose_search_obsolete; | |
38 | ||
9eeb9f12 RK |
39 | /** @brief Current search terms */ |
40 | static char *choose_search_terms; | |
41 | ||
cfa78eaa RK |
42 | /** @brief Hash of all search result */ |
43 | static hash *choose_search_hash; | |
44 | ||
2a9a65e4 RK |
45 | /** @brief List of invisible search results |
46 | * | |
47 | * This only lists search results not yet known to be visible, and is | |
48 | * gradually depleted. | |
49 | */ | |
50 | static char **choose_search_results; | |
51 | ||
52 | /** @brief Length of @ref choose_search_results */ | |
53 | static int choose_n_search_results; | |
54 | ||
55 | /** @brief Row references for search results */ | |
56 | static GtkTreeRowReference **choose_search_references; | |
57 | ||
58 | /** @brief Length of @ref choose_search_references */ | |
59 | static int choose_n_search_references; | |
60 | ||
61 | /** @brief Event handle for monitoring newly inserted tracks */ | |
62 | static event_handle choose_inserted_handle; | |
63 | ||
9eeb9f12 RK |
64 | /** @brief Time of last search entry keypress (or 0.0) */ |
65 | static struct timeval choose_search_last_keypress; | |
66 | ||
67 | /** @brief Timeout ID for search delay */ | |
68 | static guint choose_search_timeout_id; | |
69 | ||
cfa78eaa RK |
70 | static void choose_search_entry_changed(GtkEditable *editable, |
71 | gpointer user_data); | |
72 | ||
73 | int choose_is_search_result(const char *track) { | |
74 | return choose_search_hash && hash_find(choose_search_hash, track); | |
75 | } | |
76 | ||
2a9a65e4 RK |
77 | static int is_prefix(const char *dir, const char *track) { |
78 | size_t nd = strlen(dir); | |
79 | ||
80 | if(nd < strlen(track) | |
81 | && track[nd] == '/' | |
82 | && !strncmp(track, dir, nd)) | |
83 | return 1; | |
84 | else | |
85 | return 0; | |
86 | } | |
87 | ||
88 | /** @brief Do some work towards making @p track visible | |
89 | * @return True if we made it visible or it was missing | |
90 | */ | |
91 | static int choose_make_one_visible(const char *track) { | |
92 | //fprintf(stderr, " choose_make_one_visible %s\n", track); | |
93 | /* We walk through nodes at the top level looking for directories that are | |
94 | * prefixes of the target track. | |
95 | * | |
96 | * - if we find one and it's expanded we walk through its children | |
97 | * - if we find one and it's NOT expanded then we expand it, and arrange | |
98 | * to be revisited | |
99 | * - if we don't find one then we're probably out of date | |
100 | */ | |
101 | GtkTreeIter it[1]; | |
102 | gboolean itv = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(choose_store), | |
103 | it); | |
104 | while(itv) { | |
105 | const char *dir = choose_get_track(it); | |
106 | ||
107 | //fprintf(stderr, " %s\n", dir); | |
108 | if(!dir) { | |
109 | /* Placeholder */ | |
110 | itv = gtk_tree_model_iter_next(GTK_TREE_MODEL(choose_store), it); | |
111 | continue; | |
112 | } | |
113 | GtkTreePath *path = gtk_tree_model_get_path(GTK_TREE_MODEL(choose_store), | |
114 | it); | |
115 | if(!strcmp(dir, track)) { | |
116 | /* We found the track. If everything above it was expanded, it will be | |
117 | * too. So we can report it as visible. */ | |
118 | //fprintf(stderr, " found %s\n", track); | |
119 | choose_search_references[choose_n_search_references++] | |
120 | = gtk_tree_row_reference_new(GTK_TREE_MODEL(choose_store), path); | |
121 | gtk_tree_path_free(path); | |
122 | return 1; | |
123 | } | |
124 | if(is_prefix(dir, track)) { | |
125 | /* We found a prefix of the target track. */ | |
cab9a17c | 126 | //fprintf(stderr, " %s is a prefix\n", dir); |
2a9a65e4 RK |
127 | const gboolean expanded |
128 | = gtk_tree_view_row_expanded(GTK_TREE_VIEW(choose_view), path); | |
129 | if(expanded) { | |
130 | //fprintf(stderr, " is apparently expanded\n"); | |
131 | /* This directory is expanded, let's make like Augustus Gibbons and | |
132 | * take it to the next level. */ | |
133 | GtkTreeIter child[1]; /* don't know if parent==iter allowed */ | |
134 | itv = gtk_tree_model_iter_children(GTK_TREE_MODEL(choose_store), | |
135 | child, | |
136 | it); | |
137 | *it = *child; | |
138 | if(choose_is_placeholder(it)) { | |
139 | //fprintf(stderr, " %s is expanded, has a placeholder child\n", dir); | |
140 | /* We assume that placeholder children of expanded rows are about to | |
141 | * be replaced */ | |
142 | gtk_tree_path_free(path); | |
143 | return 0; | |
144 | } | |
145 | } else { | |
146 | //fprintf(stderr, " requesting expansion of %s\n", dir); | |
147 | /* Track is below a non-expanded directory. So let's expand it. | |
bd802f22 RK |
148 | * choose_make_visible() will arrange a revisit in due course. |
149 | * | |
150 | * We mark the row as auto-expanded. | |
151 | */ | |
152 | ++choose_auto_expanding; | |
2a9a65e4 RK |
153 | gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), |
154 | path, | |
155 | FALSE/*open_all*/); | |
156 | gtk_tree_path_free(path); | |
bd802f22 | 157 | --choose_auto_expanding; |
2a9a65e4 RK |
158 | return 0; |
159 | } | |
160 | } else | |
161 | itv = gtk_tree_model_iter_next(GTK_TREE_MODEL(choose_store), it); | |
162 | gtk_tree_path_free(path); | |
163 | } | |
164 | /* If we reach the end then we didn't find the track at all. */ | |
165 | fprintf(stderr, "choose_make_one_visible: could not find %s\n", | |
166 | track); | |
167 | return 1; | |
168 | } | |
169 | ||
170 | /** @brief Compare two GtkTreeRowReferences | |
171 | * | |
172 | * Not very efficient since it does multiple memory operations per | |
173 | * comparison! | |
174 | */ | |
175 | static int choose_compare_references(const void *av, const void *bv) { | |
176 | GtkTreeRowReference *a = *(GtkTreeRowReference **)av; | |
177 | GtkTreeRowReference *b = *(GtkTreeRowReference **)bv; | |
178 | GtkTreePath *pa = gtk_tree_row_reference_get_path(a); | |
179 | GtkTreePath *pb = gtk_tree_row_reference_get_path(b); | |
180 | const int rc = gtk_tree_path_compare(pa, pb); | |
181 | gtk_tree_path_free(pa); | |
182 | gtk_tree_path_free(pb); | |
183 | return rc; | |
184 | } | |
185 | ||
b96f65cf RK |
186 | /** @brief Make @p path visible |
187 | * @param path Row reference to make visible | |
188 | * @param row_align Row alignment (or -ve) | |
2a9a65e4 | 189 | * @return 0 on success, nonzero if @p ref has gone stale |
b96f65cf RK |
190 | * |
191 | * If @p row_align is negative no row alignemt is performed. Otherwise | |
192 | * it must be between 0 (the top) and 1 (the bottom). | |
e9a72659 RK |
193 | * |
194 | * TODO: if the row is already visible do nothing. | |
b96f65cf RK |
195 | */ |
196 | static int choose_make_path_visible(GtkTreePath *path, | |
197 | gfloat row_align) { | |
198 | /* Make sure that the target's parents are all expanded */ | |
199 | gtk_tree_view_expand_to_path(GTK_TREE_VIEW(choose_view), path); | |
200 | /* Make sure the target is visible */ | |
201 | gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(choose_view), path, NULL, | |
202 | row_align >= 0.0, | |
203 | row_align, | |
204 | 0); | |
205 | return 0; | |
206 | } | |
207 | ||
208 | /** @brief Make @p ref visible | |
209 | * @param ref Row reference to make visible | |
210 | * @param row_align Row alignment (or -ve) | |
211 | * @return 0 on success, nonzero if @p ref has gone stale | |
212 | * | |
213 | * If @p row_align is negative no row alignemt is performed. Otherwise | |
214 | * it must be between 0 (the top) and 1 (the bottom). | |
2a9a65e4 | 215 | */ |
b96f65cf RK |
216 | static int choose_make_ref_visible(GtkTreeRowReference *ref, |
217 | gfloat row_align) { | |
2a9a65e4 RK |
218 | GtkTreePath *path = gtk_tree_row_reference_get_path(ref); |
219 | if(!path) | |
220 | return -1; | |
b96f65cf | 221 | choose_make_path_visible(path, row_align); |
2a9a65e4 RK |
222 | gtk_tree_path_free(path); |
223 | return 0; | |
224 | } | |
225 | ||
226 | /** @brief Do some work towards ensuring that all search results are visible | |
227 | * | |
228 | * Assumes there's at least one results! | |
229 | */ | |
230 | static void choose_make_visible(const char attribute((unused)) *event, | |
231 | void attribute((unused)) *eventdata, | |
232 | void attribute((unused)) *callbackdata) { | |
233 | //fprintf(stderr, "choose_make_visible\n"); | |
234 | int remaining = 0; | |
235 | ||
236 | for(int n = 0; n < choose_n_search_results; ++n) { | |
237 | if(!choose_search_results[n]) | |
238 | continue; | |
239 | if(choose_make_one_visible(choose_search_results[n])) | |
240 | choose_search_results[n] = 0; | |
241 | else | |
242 | ++remaining; | |
243 | } | |
244 | //fprintf(stderr, "remaining=%d\n", remaining); | |
245 | if(remaining) { | |
246 | /* If there's work left to be done make sure we get a callback when | |
247 | * something changes */ | |
248 | if(!choose_inserted_handle) | |
cab9a17c | 249 | choose_inserted_handle = event_register("choose-more-tracks", |
2a9a65e4 RK |
250 | choose_make_visible, 0); |
251 | } else { | |
252 | /* Suppress callbacks if there's nothing more to do */ | |
253 | event_cancel(choose_inserted_handle); | |
254 | choose_inserted_handle = 0; | |
255 | /* We've expanded everything, now we can mess with the cursor */ | |
256 | //fprintf(stderr, "sort %d references\n", choose_n_search_references); | |
257 | qsort(choose_search_references, | |
258 | choose_n_search_references, | |
259 | sizeof (GtkTreeRowReference *), | |
260 | choose_compare_references); | |
b96f65cf | 261 | choose_make_ref_visible(choose_search_references[0], 0.5); |
2a9a65e4 RK |
262 | } |
263 | } | |
264 | ||
cfa78eaa RK |
265 | /** @brief Called with search results */ |
266 | static void choose_search_completed(void attribute((unused)) *v, | |
abf99697 | 267 | const char *err, |
cfa78eaa | 268 | int nvec, char **vec) { |
2a9a65e4 | 269 | //fprintf(stderr, "choose_search_completed\n"); |
abf99697 RK |
270 | if(err) { |
271 | popup_protocol_error(0, err); | |
cfa78eaa RK |
272 | return; |
273 | } | |
274 | choose_searching = 0; | |
275 | /* If the search was obsoleted initiate another one */ | |
276 | if(choose_search_obsolete) { | |
2a9a65e4 | 277 | choose_search_obsolete = 0; |
cfa78eaa RK |
278 | choose_search_entry_changed(0, 0); |
279 | return; | |
280 | } | |
2a9a65e4 | 281 | //fprintf(stderr, "*** %d search results\n", nvec); |
bd802f22 RK |
282 | /* We're actually going to use these search results. Autocollapse anything |
283 | * left over from the old search. */ | |
284 | choose_auto_collapse(); | |
cfa78eaa | 285 | choose_search_hash = hash_new(1); |
2a9a65e4 RK |
286 | if(nvec) { |
287 | for(int n = 0; n < nvec; ++n) | |
288 | hash_add(choose_search_hash, vec[n], "", HASH_INSERT); | |
289 | /* Stash results for choose_make_visible */ | |
290 | choose_n_search_results = nvec; | |
291 | choose_search_results = vec; | |
292 | /* Make a big-enough buffer for the results row reference list */ | |
293 | choose_n_search_references = 0; | |
294 | choose_search_references = xcalloc(nvec, sizeof (GtkTreeRowReference *)); | |
295 | /* Start making rows visible */ | |
296 | choose_make_visible(0, 0, 0); | |
b96f65cf RK |
297 | gtk_widget_set_sensitive(choose_next, TRUE); |
298 | gtk_widget_set_sensitive(choose_prev, TRUE); | |
299 | } else { | |
300 | gtk_widget_set_sensitive(choose_next, FALSE); | |
301 | gtk_widget_set_sensitive(choose_prev, FALSE); | |
a59663d4 RK |
302 | choose_n_search_results = 0; |
303 | choose_search_results = 0; | |
304 | choose_n_search_references = 0; | |
305 | choose_search_references = 0; | |
2a9a65e4 | 306 | } |
cfa78eaa RK |
307 | event_raise("search-results-changed", 0); |
308 | } | |
309 | ||
9eeb9f12 RK |
310 | /** @brief Actually initiate a search */ |
311 | static void initiate_search(void) { | |
312 | //fprintf(stderr, "initiate_search\n"); | |
cfa78eaa RK |
313 | /* If a search is in flight don't initiate a new one until it comes back */ |
314 | if(choose_searching) { | |
315 | choose_search_obsolete = 1; | |
316 | return; | |
317 | } | |
318 | char *terms = xstrdup(gtk_entry_get_text(GTK_ENTRY(choose_search_entry))); | |
319 | /* Strip leading and trailing space */ | |
9eeb9f12 RK |
320 | while(*terms == ' ') |
321 | ++terms; | |
cfa78eaa | 322 | char *e = terms + strlen(terms); |
9eeb9f12 RK |
323 | while(e > terms && e[-1] == ' ') |
324 | --e; | |
cfa78eaa | 325 | *e = 0; |
9eeb9f12 RK |
326 | if(choose_search_terms && !strcmp(terms, choose_search_terms)) { |
327 | /* Search terms have not actually changed in any way that matters */ | |
328 | return; | |
329 | } | |
330 | /* Remember the current terms */ | |
331 | choose_search_terms = terms; | |
cfa78eaa RK |
332 | if(!*terms) { |
333 | /* Nothing to search for. Fake a completion call. */ | |
334 | choose_search_completed(0, 0, 0, 0); | |
335 | return; | |
336 | } | |
337 | if(disorder_eclient_search(client, choose_search_completed, terms, 0)) { | |
338 | /* Bad search terms. Fake a completion call. */ | |
339 | choose_search_completed(0, 0, 0, 0); | |
340 | return; | |
341 | } | |
342 | choose_searching = 1; | |
343 | } | |
344 | ||
9eeb9f12 RK |
345 | static gboolean choose_search_timeout(gpointer attribute((unused)) data) { |
346 | struct timeval now; | |
347 | xgettimeofday(&now, NULL); | |
348 | /*fprintf(stderr, "%ld.%06d choose_search_timeout\n", | |
349 | now.tv_sec, now.tv_usec);*/ | |
350 | if(tvdouble(now) - tvdouble(choose_search_last_keypress) | |
351 | < SEARCH_DELAY_MS / 1000.0) { | |
352 | //fprintf(stderr, " ... too soon\n"); | |
353 | return TRUE; /* Call me again later */ | |
354 | } | |
355 | //fprintf(stderr, " ... let's go\n"); | |
356 | choose_search_last_keypress.tv_sec = 0; | |
357 | choose_search_last_keypress.tv_usec = 0; | |
358 | choose_search_timeout_id = 0; | |
359 | initiate_search(); | |
360 | return FALSE; | |
361 | } | |
362 | ||
363 | /** @brief Called when the search entry changes */ | |
364 | static void choose_search_entry_changed | |
365 | (GtkEditable attribute((unused)) *editable, | |
366 | gpointer attribute((unused)) user_data) { | |
367 | xgettimeofday(&choose_search_last_keypress, NULL); | |
368 | /*fprintf(stderr, "%ld.%06d choose_search_entry_changed\n", | |
369 | choose_search_last_keypress.tv_sec, | |
370 | choose_search_last_keypress.tv_usec);*/ | |
371 | /* If there's already a timeout, remove it */ | |
372 | if(choose_search_timeout_id) { | |
373 | g_source_remove(choose_search_timeout_id); | |
374 | choose_search_timeout_id = 0; | |
375 | } | |
376 | /* Add a new timeout */ | |
377 | choose_search_timeout_id = g_timeout_add(SEARCH_DELAY_MS / 10, | |
378 | choose_search_timeout, | |
379 | 0); | |
380 | /* We really wanted to tell Glib what time we wanted the callback at rather | |
381 | * than asking for calls at given intervals. But there's no interface for | |
382 | * that, and defining a new source for it seems like overkill if we can | |
383 | * reasonably avoid it. */ | |
384 | } | |
385 | ||
b96f65cf RK |
386 | /** @brief Identify first and last visible paths |
387 | * | |
388 | * We'd like to use gtk_tree_view_get_visible_range() for this, but that was | |
389 | * introduced in GTK+ 2.8, and Fink only has 2.6 (which is around three years | |
390 | * out of date at time of writing), and I'm not yet prepared to rule out Fink | |
391 | * support. | |
392 | */ | |
393 | static gboolean choose_get_visible_range(GtkTreeView *tree_view, | |
394 | GtkTreePath **startpathp, | |
395 | GtkTreePath **endpathp) { | |
396 | GdkRectangle visible_tc[1]; | |
397 | ||
398 | /* Get the visible rectangle in tree coordinates */ | |
399 | gtk_tree_view_get_visible_rect(tree_view, visible_tc); | |
400 | /*fprintf(stderr, "visible: %dx%x at %dx%d\n", | |
401 | visible_tc->width, visible_tc->height, | |
402 | visible_tc->x, visible_tc->y);*/ | |
403 | if(startpathp) { | |
404 | /* Convert top-left visible point to widget coordinates */ | |
405 | int x_wc, y_wc; | |
406 | gtk_tree_view_tree_to_widget_coords(tree_view, | |
407 | visible_tc->x, visible_tc->y, | |
408 | &x_wc, &y_wc); | |
409 | //fprintf(stderr, " start widget coords: %dx%d\n", x_wc, y_wc); | |
410 | gtk_tree_view_get_path_at_pos(tree_view, | |
411 | x_wc, y_wc, | |
412 | startpathp, | |
413 | NULL, | |
414 | NULL, NULL); | |
415 | } | |
416 | if(endpathp) { | |
417 | /* Convert bottom-left visible point to widget coordinates */ | |
418 | /* Convert top-left visible point to widget coordinates */ | |
419 | int x_wc, y_wc; | |
420 | gtk_tree_view_tree_to_widget_coords(tree_view, | |
421 | visible_tc->x, | |
422 | visible_tc->y + visible_tc->height - 1, | |
423 | &x_wc, &y_wc); | |
424 | //fprintf(stderr, " end widget coords: %dx%d\n", x_wc, y_wc); | |
425 | gtk_tree_view_get_path_at_pos(tree_view, | |
426 | x_wc, y_wc, | |
427 | endpathp, | |
428 | NULL, | |
429 | NULL, NULL); | |
430 | } | |
431 | return TRUE; | |
432 | } | |
433 | ||
fd9faf16 RK |
434 | /** @brief Move to the next/prev match |
435 | * @param direction -1 for prev, +1 for next | |
436 | */ | |
437 | static void choose_move(int direction) { | |
438 | /* Refocus the main view so typahead find continues to work */ | |
62dcb54f | 439 | gtk_widget_grab_focus(choose_view); |
fd9faf16 | 440 | /* If there's no results we have nothing to do */ |
a59663d4 RK |
441 | if(!choose_n_search_results) |
442 | return; | |
fd9faf16 RK |
443 | /* Compute bounds for searching over the array in the right direction */ |
444 | const int first = direction > 0 ? 0 : choose_n_search_references - 1; | |
445 | const int limit = direction > 0 ? choose_n_search_references : -1; | |
446 | /* Find the first/last currently visible row */ | |
447 | GtkTreePath *limitpath; | |
448 | if(!choose_get_visible_range(GTK_TREE_VIEW(choose_view), | |
449 | direction < 0 ? &limitpath : 0, | |
450 | direction > 0 ? &limitpath : 0)) | |
b96f65cf | 451 | return; |
fd9faf16 RK |
452 | /* Find a the first search result later/earlier than it. They're sorted so |
453 | * we could actually do much better than this if necessary. */ | |
454 | for(int n = first; n != limit; n += direction) { | |
b96f65cf RK |
455 | GtkTreePath *path |
456 | = gtk_tree_row_reference_get_path(choose_search_references[n]); | |
457 | if(!path) | |
458 | continue; | |
fd9faf16 RK |
459 | /* gtk_tree_path_compare returns -1, 0 or 1 so we compare naively with |
460 | * direction */ | |
461 | if(gtk_tree_path_compare(limitpath, path) + direction == 0) { | |
b96f65cf RK |
462 | choose_make_path_visible(path, 0.5); |
463 | gtk_tree_path_free(path); | |
464 | return; | |
465 | } | |
466 | gtk_tree_path_free(path); | |
467 | } | |
fd9faf16 RK |
468 | /* We didn't find one. Loop back to the first/las. */ |
469 | for(int n = first; n != limit; n += direction) { | |
a59663d4 RK |
470 | GtkTreePath *path |
471 | = gtk_tree_row_reference_get_path(choose_search_references[n]); | |
472 | if(!path) | |
473 | continue; | |
474 | choose_make_path_visible(path, 0.5); | |
475 | gtk_tree_path_free(path); | |
476 | return; | |
477 | } | |
cfa78eaa RK |
478 | } |
479 | ||
fd9faf16 RK |
480 | void choose_next_clicked(GtkButton attribute((unused)) *button, |
481 | gpointer attribute((unused)) userdata) { | |
482 | choose_move(1); | |
483 | } | |
484 | ||
a59663d4 RK |
485 | void choose_prev_clicked(GtkButton attribute((unused)) *button, |
486 | gpointer attribute((unused)) userdata) { | |
fd9faf16 | 487 | choose_move(-1); |
cfa78eaa RK |
488 | } |
489 | ||
9eeb9f12 RK |
490 | /** @brief Called when the cancel search button is clicked */ |
491 | static void choose_clear_clicked(GtkButton attribute((unused)) *button, | |
492 | gpointer attribute((unused)) userdata) { | |
493 | gtk_entry_set_text(GTK_ENTRY(choose_search_entry), ""); | |
62dcb54f | 494 | gtk_widget_grab_focus(choose_view); |
9eeb9f12 RK |
495 | /* We start things off straight away in this case */ |
496 | initiate_search(); | |
497 | } | |
498 | ||
4d6a5c4e RK |
499 | /** @brief Called when the user hits ^F to start a new search */ |
500 | void choose_search_new(void) { | |
501 | gtk_editable_select_region(GTK_EDITABLE(choose_search_entry), 0, -1); | |
502 | } | |
503 | ||
cfa78eaa RK |
504 | /** @brief Create the search widget */ |
505 | GtkWidget *choose_search_widget(void) { | |
506 | ||
507 | /* Text entry box for search terms */ | |
508 | choose_search_entry = gtk_entry_new(); | |
509 | gtk_widget_set_style(choose_search_entry, tool_style); | |
510 | g_signal_connect(choose_search_entry, "changed", | |
511 | G_CALLBACK(choose_search_entry_changed), 0); | |
512 | gtk_tooltips_set_tip(tips, choose_search_entry, | |
513 | "Enter search terms here; search is automatic", ""); | |
514 | ||
515 | /* Cancel button to clear the search */ | |
516 | choose_clear = gtk_button_new_from_stock(GTK_STOCK_CANCEL); | |
517 | gtk_widget_set_style(choose_clear, tool_style); | |
518 | g_signal_connect(G_OBJECT(choose_clear), "clicked", | |
519 | G_CALLBACK(choose_clear_clicked), 0); | |
520 | gtk_tooltips_set_tip(tips, choose_clear, "Clear search terms", ""); | |
521 | ||
522 | /* Up and down buttons to find previous/next results; initially they are not | |
523 | * usable as there are no search results. */ | |
524 | choose_prev = iconbutton("up.png", "Previous search result"); | |
525 | g_signal_connect(G_OBJECT(choose_prev), "clicked", | |
526 | G_CALLBACK(choose_prev_clicked), 0); | |
527 | gtk_widget_set_style(choose_prev, tool_style); | |
528 | gtk_widget_set_sensitive(choose_prev, 0); | |
529 | choose_next = iconbutton("down.png", "Next search result"); | |
530 | g_signal_connect(G_OBJECT(choose_next), "clicked", | |
531 | G_CALLBACK(choose_next_clicked), 0); | |
532 | gtk_widget_set_style(choose_next, tool_style); | |
533 | gtk_widget_set_sensitive(choose_next, 0); | |
534 | ||
535 | /* Pack the search tools button together on a line */ | |
536 | GtkWidget *hbox = gtk_hbox_new(FALSE/*homogeneous*/, 1/*spacing*/); | |
537 | gtk_box_pack_start(GTK_BOX(hbox), choose_search_entry, | |
538 | TRUE/*expand*/, TRUE/*fill*/, 0/*padding*/); | |
539 | gtk_box_pack_start(GTK_BOX(hbox), choose_prev, | |
540 | FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/); | |
541 | gtk_box_pack_start(GTK_BOX(hbox), choose_next, | |
542 | FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/); | |
543 | gtk_box_pack_start(GTK_BOX(hbox), choose_clear, | |
544 | FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/); | |
545 | ||
546 | return hbox; | |
547 | } | |
548 | ||
549 | /* | |
550 | Local Variables: | |
551 | c-basic-offset:2 | |
552 | comment-column:40 | |
553 | fill-column:79 | |
554 | indent-tabs-mode:nil | |
555 | End: | |
556 | */ |