chiark / gitweb /
protogen: function signatures for generated eclient stubs.
[disorder] / disobedience / choose.c
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460b9539 1/*
2 * This file is part of DisOrder
ebcfbfef 3 * Copyright (C) 2008 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
9 *
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10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
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18/** @file disobedience/choose.c
19 * @brief Hierarchical track selection and search
20 *
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21 * We now use an ordinary GtkTreeStore/GtkTreeView.
22 *
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23 * We don't want to pull the entire tree in memory, but we want directories to
24 * show up as having children. Therefore we give directories a placeholder
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25 * child and replace their children when they are opened. Placeholders have
26 * TRACK_COLUMN="" and ISFILE_COLUMN=FALSE (so that they don't get check boxes,
27 * lengths, etc).
ebcfbfef 28 *
ebcfbfef 29 * TODO:
d9a92920 30 * - sweep up contracted nodes, replacing their content with a placeholder
b9bdafc7 31 */
460b9539 32
33#include "disobedience.h"
6982880f 34#include "choose.h"
ff18efce 35#include "multidrag.h"
a6712ea8 36#include "queue-generic.h"
a59663d4 37#include <gdk/gdkkeysyms.h>
16e145a5 38
ff18efce 39/** @brief Drag types */
a6712ea8 40const GtkTargetEntry choose_targets[] = {
ff18efce 41 {
a6712ea8 42 PLAYABLE_TRACKS, /* drag type */
ff18efce 43 GTK_TARGET_SAME_APP|GTK_TARGET_OTHER_WIDGET, /* copying between widgets */
a6712ea8 44 PLAYABLE_TRACKS_ID /* ID value */
ff18efce 45 },
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46 {
47 .target = NULL
48 }
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49};
50
ebcfbfef 51/** @brief The current selection tree */
6982880f 52GtkTreeStore *choose_store;
16e145a5 53
ebcfbfef 54/** @brief The view onto the selection tree */
6982880f 55GtkWidget *choose_view;
16e145a5 56
ebcfbfef 57/** @brief The selection tree's selection */
6982880f 58GtkTreeSelection *choose_selection;
460b9539 59
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60/** @brief Count of file listing operations in flight */
61static int choose_list_in_flight;
62
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63/** @brief If nonzero autocollapse column won't be set */
64static int choose_suppress_set_autocollapse;
65
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66static char *choose_get_string(GtkTreeIter *iter, int column) {
67 gchar *gs;
68 gtk_tree_model_get(GTK_TREE_MODEL(choose_store), iter,
69 column, &gs,
70 -1);
71 char *s = xstrdup(gs);
72 g_free(gs);
73 return s;
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74}
75
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76char *choose_get_track(GtkTreeIter *iter) {
77 char *s = choose_get_string(iter, TRACK_COLUMN);
78 return *s ? s : 0; /* Placeholder -> NULL */
79}
80
81char *choose_get_sort(GtkTreeIter *iter) {
82 return choose_get_string(iter, SORT_COLUMN);
83}
84
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85char *choose_get_display(GtkTreeIter *iter) {
86 return choose_get_string(iter, NAME_COLUMN);
87}
88
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89int choose_is_file(GtkTreeIter *iter) {
90 gboolean isfile;
91 gtk_tree_model_get(GTK_TREE_MODEL(choose_store), iter,
92 ISFILE_COLUMN, &isfile,
93 -1);
94 return isfile;
95}
96
97int choose_is_dir(GtkTreeIter *iter) {
98 gboolean isfile;
99 gtk_tree_model_get(GTK_TREE_MODEL(choose_store), iter,
100 ISFILE_COLUMN, &isfile,
101 -1);
102 if(isfile)
103 return FALSE;
104 return !choose_is_placeholder(iter);
105}
106
107int choose_is_placeholder(GtkTreeIter *iter) {
108 return choose_get_string(iter, TRACK_COLUMN)[0] == 0;
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109}
110
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111int choose_can_autocollapse(GtkTreeIter *iter) {
112 gboolean autocollapse;
113 gtk_tree_model_get(GTK_TREE_MODEL(choose_store), iter,
114 AUTOCOLLAPSE_COLUMN, &autocollapse,
115 -1);
116 return autocollapse;
117}
118
ebcfbfef 119/** @brief Remove node @p it and all its children
59cf25c4 120 * @param it Iterator, updated to point to next
ebcfbfef 121 * @return True if iterator remains valid
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122 *
123 * TODO is this necessary? gtk_tree_store_remove() does not document what
124 * happens to children.
16e145a5 125 */
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126static gboolean choose_remove_node(GtkTreeIter *it) {
127 GtkTreeIter child[1];
128 gboolean childv = gtk_tree_model_iter_children(GTK_TREE_MODEL(choose_store),
129 child,
130 it);
131 while(childv)
132 childv = choose_remove_node(child);
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133 return gtk_tree_store_remove(choose_store, it);
134}
135
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136/** @brief Update length and state fields */
137static gboolean choose_set_state_callback(GtkTreeModel attribute((unused)) *model,
138 GtkTreePath attribute((unused)) *path,
139 GtkTreeIter *it,
140 gpointer attribute((unused)) data) {
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141 if(choose_is_file(it)) {
142 const char *track = choose_get_track(it);
143 const long l = namepart_length(track);
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144 char length[64];
145 if(l > 0)
146 byte_snprintf(length, sizeof length, "%ld:%02ld", l / 60, l % 60);
147 else
148 length[0] = 0;
149 gtk_tree_store_set(choose_store, it,
150 LENGTH_COLUMN, length,
a98fd571 151 STATE_COLUMN, queued(track),
ad47bd4c 152 -1);
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153 if(choose_is_search_result(track))
154 gtk_tree_store_set(choose_store, it,
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155 BG_COLUMN, SEARCH_RESULT_BG,
156 FG_COLUMN, SEARCH_RESULT_FG,
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157 -1);
158 else
159 gtk_tree_store_set(choose_store, it,
160 BG_COLUMN, (char *)0,
161 FG_COLUMN, (char *)0,
162 -1);
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163 }
164 return FALSE; /* continue walking */
165}
166
167/** @brief Called when the queue or playing track change */
168static void choose_set_state(const char attribute((unused)) *event,
169 void attribute((unused)) *eventdata,
170 void attribute((unused)) *callbackdata) {
171 gtk_tree_model_foreach(GTK_TREE_MODEL(choose_store),
172 choose_set_state_callback,
173 NULL);
174}
175
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176/** @brief (Re-)populate a node
177 * @param parent_ref Node to populate or NULL to fill root
178 * @param nvec Number of children to add
179 * @param vec Children
59cf25c4 180 * @param isfile 1 if children are files, 0 if directories
b9bdafc7 181 *
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182 * Adjusts the set of files (or directories) below @p parent_ref to match those
183 * listed in @p nvec and @p vec.
fcc8b9f7 184 *
59cf25c4 185 * @p parent_ref will be destroyed.
fcc8b9f7 186 */
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187static void choose_populate(GtkTreeRowReference *parent_ref,
188 int nvec, char **vec,
a98fd571 189 int isfile) {
2fadbbc6 190 const char *type = isfile ? "track" : "dir";
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191 //fprintf(stderr, "%d new children of type %s\n", nvec, type);
192 if(!nvec)
193 goto skip;
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194 /* Compute parent_* */
195 GtkTreeIter pit[1], *parent_it;
196 GtkTreePath *parent_path;
197 if(parent_ref) {
198 parent_path = gtk_tree_row_reference_get_path(parent_ref);
199 parent_it = pit;
200 gboolean pitv = gtk_tree_model_get_iter(GTK_TREE_MODEL(choose_store),
201 pit, parent_path);
202 assert(pitv);
203 /*fprintf(stderr, "choose_populate %s: parent path is [%s]\n",
2fadbbc6 204 type,
ebcfbfef 205 gtk_tree_path_to_string(parent_path));*/
460b9539 206 } else {
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207 parent_path = 0;
208 parent_it = 0;
209 /*fprintf(stderr, "choose_populate %s: populating the root\n",
2fadbbc6 210 type);*/
ebcfbfef 211 }
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212 /* Both td[] and the current node set are sorted so we can do a single linear
213 * pass to insert new nodes and remove unwanted ones. The total performance
214 * may be worse than linear depending on the performance of GTK+'s insert and
215 * delete operations. */
216 //fprintf(stderr, "sorting tracks\n");
2fadbbc6 217 struct tracksort_data *td = tracksort_init(nvec, vec, type);
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218 GtkTreeIter it[1];
219 gboolean itv = gtk_tree_model_iter_children(GTK_TREE_MODEL(choose_store),
220 it,
221 parent_it);
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222 int inserted = 0, deleted_placeholder = 0;
223 //fprintf(stderr, "inserting tracks type=%s\n", type);
224 while(nvec > 0 || itv) {
225 /*fprintf(stderr, "td[] = %s, it=%s [%s]\n",
226 nvec > 0 ? td->track : "(none)",
227 itv ? choose_get_track(it) : "(!itv)",
228 itv ? (choose_is_file(it) ? "file" : "dir") : "");*/
229 enum { INSERT, DELETE, SKIP_TREE, SKIP_BOTH } action;
230 const char *track = itv ? choose_get_track(it) : 0;
231 if(itv && !track) {
232 //fprintf(stderr, " placeholder\n");
233 action = DELETE;
234 ++deleted_placeholder;
235 } else if(nvec > 0 && itv) {
236 /* There's both a tree row and a td[] entry */
237 const int cmp = compare_tracks(td->sort, choose_get_sort(it),
238 td->display, choose_get_display(it),
239 td->track, track);
240 //fprintf(stderr, " cmp=%d\n", cmp);
241 if(cmp < 0)
242 /* td < it, so we insert td before it */
243 action = INSERT;
244 else if(cmp > 0) {
245 /* td > it, so we must either delete it (if the same type) or skip it */
246 if(choose_is_file(it) == isfile)
247 action = DELETE;
248 else
249 action = SKIP_TREE;
250 } else
251 /* td = it, so we step past both */
252 action = SKIP_BOTH;
253 } else if(nvec > 0) {
254 /* We've reached the end of the tree rows, but new have tracks left in
255 * td[] */
256 //fprintf(stderr, " inserting\n");
257 action = INSERT;
6a06a735 258 } else {
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259 /* We've reached the end of the new tracks from td[], but there are
260 * further tracks in the tree */
261 //fprintf(stderr, " deleting\n");
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262 if(choose_is_file(it) == isfile)
263 action = DELETE;
264 else
265 action = SKIP_TREE;
460b9539 266 }
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267
268 switch(action) {
269 case INSERT: {
270 //fprintf(stderr, " INSERT %s\n", td->track);
271 /* Insert a new row from td[] before it, or at the end if it is no longer
272 * valid */
273 GtkTreeIter child[1];
274 gtk_tree_store_insert_before(choose_store,
275 child, /* new row */
276 parent_it, /* parent */
277 itv ? it : NULL); /* successor */
278 gtk_tree_store_set(choose_store, child,
279 NAME_COLUMN, td->display,
a98fd571 280 ISFILE_COLUMN, isfile,
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281 TRACK_COLUMN, td->track,
282 SORT_COLUMN, td->sort,
bd802f22 283 AUTOCOLLAPSE_COLUMN, FALSE,
ebcfbfef 284 -1);
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285 /* Update length and state; we expect this to kick off length lookups
286 * rather than necessarily get the right value the first time round. */
659201af 287 choose_set_state_callback(0, 0, child, 0);
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288 /* If we inserted a directory, insert a placeholder too, so it appears to
289 * have children; it will be deleted when we expand the directory. */
a98fd571 290 if(!isfile) {
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291 //fprintf(stderr, " inserting a placeholder\n");
292 GtkTreeIter placeholder[1];
293
659201af 294 gtk_tree_store_append(choose_store, placeholder, child);
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295 gtk_tree_store_set(choose_store, placeholder,
296 NAME_COLUMN, "Waddling...",
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297 TRACK_COLUMN, "",
298 ISFILE_COLUMN, FALSE,
ebcfbfef 299 -1);
e9b70a84 300 }
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301 ++inserted;
302 ++td;
303 --nvec;
304 break;
305 }
306 case SKIP_BOTH:
307 //fprintf(stderr, " SKIP_BOTH\n");
308 ++td;
309 --nvec;
310 /* fall thru */
311 case SKIP_TREE:
312 //fprintf(stderr, " SKIP_TREE\n");
313 itv = gtk_tree_model_iter_next(GTK_TREE_MODEL(choose_store), it);
314 break;
315 case DELETE:
316 //fprintf(stderr, " DELETE\n");
317 itv = choose_remove_node(it);
318 break;
460b9539 319 }
460b9539 320 }
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321 /*fprintf(stderr, "inserted=%d deleted_placeholder=%d\n\n",
322 inserted, deleted_placeholder);*/
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323 if(parent_ref) {
324 /* If we deleted a placeholder then we must re-expand the row */
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325 if(deleted_placeholder) {
326 ++choose_suppress_set_autocollapse;
659201af 327 gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), parent_path, FALSE);
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328 --choose_suppress_set_autocollapse;
329 }
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330 gtk_tree_row_reference_free(parent_ref);
331 gtk_tree_path_free(parent_path);
460b9539 332 }
cab9a17c 333skip:
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334 /* We only notify others that we've inserted tracks when there are no more
335 * insertions pending, so that they don't have to keep track of how many
336 * requests they've made. */
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337 if(--choose_list_in_flight == 0) {
338 /* Notify interested parties that we inserted some tracks, AFTER making
339 * sure that the row is properly expanded */
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340 //fprintf(stderr, "raising choose-more-tracks\n");
341 event_raise("choose-more-tracks", 0);
2a9a65e4 342 }
d848c36f 343 //fprintf(stderr, "choose_list_in_flight -> %d-\n", choose_list_in_flight);
460b9539 344}
345
ebcfbfef 346static void choose_dirs_completed(void *v,
abf99697 347 const char *err,
ebcfbfef 348 int nvec, char **vec) {
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349 if(err) {
350 popup_protocol_error(0, err);
ebcfbfef 351 return;
460b9539 352 }
a98fd571 353 choose_populate(v, nvec, vec, 0/*!isfile*/);
460b9539 354}
355
ebcfbfef 356static void choose_files_completed(void *v,
abf99697 357 const char *err,
ebcfbfef 358 int nvec, char **vec) {
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RK
359 if(err) {
360 popup_protocol_error(0, err);
ebcfbfef 361 return;
460b9539 362 }
a98fd571 363 choose_populate(v, nvec, vec, 1/*isfile*/);
460b9539 364}
365
a3602333 366void choose_play_completed(void attribute((unused)) *v,
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367 const char *err) {
368 if(err)
369 popup_protocol_error(0, err);
a3602333
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370}
371
372static void choose_state_toggled
373 (GtkCellRendererToggle attribute((unused)) *cell_renderer,
374 gchar *path_str,
375 gpointer attribute((unused)) user_data) {
376 GtkTreeIter it[1];
377 /* Identify the track */
378 gboolean itv =
379 gtk_tree_model_get_iter_from_string(GTK_TREE_MODEL(choose_store),
380 it,
381 path_str);
382 if(!itv)
383 return;
a98fd571 384 if(!choose_is_file(it))
a3602333 385 return;
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386 const char *track = choose_get_track(it);
387 if(queued(track))
a3602333 388 return;
a98fd571 389 disorder_eclient_play(client, track, choose_play_completed, 0);
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390
391}
392
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393/** @brief (Re-)get the children of @p path
394 * @param path Path to target row
395 * @param iter Iterator pointing at target row
396 *
397 * Called from choose_row_expanded() to make sure that the contents are present
398 * and from choose_refill_callback() to (re-)synchronize.
399 */
400static void choose_refill_row(GtkTreePath *path,
401 GtkTreeIter *iter) {
a98fd571 402 const char *track = choose_get_track(iter);
ebcfbfef 403 disorder_eclient_files(client, choose_files_completed,
a98fd571 404 track,
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405 NULL,
406 gtk_tree_row_reference_new(GTK_TREE_MODEL(choose_store),
407 path));
408 disorder_eclient_dirs(client, choose_dirs_completed,
a98fd571 409 track,
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410 NULL,
411 gtk_tree_row_reference_new(GTK_TREE_MODEL(choose_store),
412 path));
413 /* The row references are destroyed in the _completed handlers. */
2a9a65e4 414 choose_list_in_flight += 2;
00e0c652
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415}
416
417static void choose_row_expanded(GtkTreeView attribute((unused)) *treeview,
418 GtkTreeIter *iter,
419 GtkTreePath *path,
420 gpointer attribute((unused)) user_data) {
421 /*fprintf(stderr, "row-expanded path=[%s]\n\n",
422 gtk_tree_path_to_string(path));*/
423 /* We update a node's contents whenever it is expanded, even if it was
424 * already populated; the effect is that contracting and expanding a node
425 * suffices to update it to the latest state on the server. */
426 choose_refill_row(path, iter);
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427 if(!choose_suppress_set_autocollapse) {
428 if(choose_auto_expanding) {
429 /* This was an automatic expansion; mark it the row for auto-collapse. */
430 gtk_tree_store_set(choose_store, iter,
431 AUTOCOLLAPSE_COLUMN, TRUE,
432 -1);
433 /*fprintf(stderr, "enable auto-collapse for %s\n",
434 gtk_tree_path_to_string(path));*/
435 } else {
436 /* This was a manual expansion. Inhibit automatic collapse on this row
437 * and all its ancestors. */
438 gboolean itv;
439 do {
440 gtk_tree_store_set(choose_store, iter,
441 AUTOCOLLAPSE_COLUMN, FALSE,
442 -1);
443 /*fprintf(stderr, "suppress auto-collapse for %s\n",
444 gtk_tree_model_get_string_from_iter(GTK_TREE_MODEL(choose_store),
445 iter));*/
446 GtkTreeIter child = *iter;
447 itv = gtk_tree_model_iter_parent(GTK_TREE_MODEL(choose_store),
448 iter,
449 &child);
450 } while(itv);
451 /* The effect of this is that if you expand a row that's actually a
452 * sibling of the real target of the auto-expansion, it stays expanded
453 * when you clear a search. That's find and good, but it _still_ stays
454 * expanded if you expand it and then collapse it.
455 *
456 * An alternative policy would be to only auto-collapse rows that don't
457 * have any expanded children (apart from ones also subject to
458 * auto-collapse). I'm not sure what the most usable policy is.
459 */
460 }
461 }
462}
463
464static void choose_auto_collapse_callback(GtkTreeView *tree_view,
465 GtkTreePath *path,
466 gpointer attribute((unused)) user_data) {
467 GtkTreeIter it[1];
468
469 gtk_tree_model_get_iter(GTK_TREE_MODEL(choose_store), it, path);
470 if(choose_can_autocollapse(it)) {
471 /*fprintf(stderr, "collapse %s\n",
472 gtk_tree_path_to_string(path));*/
473 gtk_tree_store_set(choose_store, it,
474 AUTOCOLLAPSE_COLUMN, FALSE,
475 -1);
476 gtk_tree_view_collapse_row(tree_view, path);
477 }
478}
479
480/** @brief Perform automatic collapse after a search is cleared */
481void choose_auto_collapse(void) {
482 gtk_tree_view_map_expanded_rows(GTK_TREE_VIEW(choose_view),
483 choose_auto_collapse_callback,
484 0);
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485}
486
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487/** @brief Called from choose_refill() with each expanded row */
488static void choose_refill_callback(GtkTreeView attribute((unused)) *tree_view,
489 GtkTreePath *path,
490 gpointer attribute((unused)) user_data) {
491 GtkTreeIter it[1];
492
493 gtk_tree_model_get_iter(GTK_TREE_MODEL(choose_store), it, path);
494 choose_refill_row(path, it);
495}
496
497/** @brief Synchronize all visible data with the server
498 *
499 * Called at startup, when a rescan completes, and via periodic_slow().
500 */
501static void choose_refill(const char attribute((unused)) *event,
502 void attribute((unused)) *eventdata,
503 void attribute((unused)) *callbackdata) {
504 //fprintf(stderr, "choose_refill\n");
505 /* Update the root */
506 disorder_eclient_files(client, choose_files_completed, "", NULL, NULL);
507 disorder_eclient_dirs(client, choose_dirs_completed, "", NULL, NULL);
508 choose_list_in_flight += 2;
509 /* Update all expanded rows */
510 gtk_tree_view_map_expanded_rows(GTK_TREE_VIEW(choose_view),
511 choose_refill_callback,
512 0);
513 //fprintf(stderr, "choose_list_in_flight -> %d+\n", choose_list_in_flight);
514}
515
a59663d4 516/** @brief Called for key-*-event on the main view
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517 */
518static gboolean choose_key_event(GtkWidget attribute((unused)) *widget,
519 GdkEventKey *event,
c10dd9af 520 gpointer user_data) {
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521 /*fprintf(stderr, "choose_key_event type=%d state=%#x keyval=%#x\n",
522 event->type, event->state, event->keyval);*/
523 switch(event->keyval) {
524 case GDK_Page_Up:
525 case GDK_Page_Down:
526 case GDK_Up:
527 case GDK_Down:
528 case GDK_Home:
529 case GDK_End:
530 return FALSE; /* We'll take these */
531 case 'f': case 'F':
532 /* ^F is expected to start a search. We implement this by focusing the
533 * search entry box. */
534 if((event->state & ~(GDK_LOCK_MASK|GDK_SHIFT_MASK)) == GDK_CONTROL_MASK
535 && event->type == GDK_KEY_PRESS) {
4d6a5c4e
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536 choose_search_new();
537 return TRUE; /* Handled it */
a59663d4
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538 }
539 break;
540 case 'g': case 'G':
541 /* ^G is expected to go the next match. We simulate a click on the 'next'
542 * button. */
543 if((event->state & ~(GDK_LOCK_MASK|GDK_SHIFT_MASK)) == GDK_CONTROL_MASK
544 && event->type == GDK_KEY_PRESS) {
545 choose_next_clicked(0, 0);
4d6a5c4e 546 return TRUE; /* Handled it */
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547 }
548 break;
549 }
c10dd9af 550 /* Anything not handled we redirected to the search entry field */
a59663d4 551 gtk_widget_event(user_data, (GdkEvent *)event);
4d6a5c4e 552 return TRUE; /* Handled it */
a59663d4
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553}
554
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555static gboolean choose_multidrag_predicate(GtkTreePath attribute((unused)) *path,
556 GtkTreeIter *iter) {
557 return choose_is_file(iter);
558}
559
560
561/** @brief Callback to add selected tracks to the selection data
562 *
563 * Called from choose_drag_data_get().
564 */
565static void choose_drag_data_get_collect(GtkTreeModel attribute((unused)) *model,
566 GtkTreePath attribute((unused)) *path,
567 GtkTreeIter *iter,
568 gpointer data) {
569 struct dynstr *const result = data;
570
571 if(choose_is_file(iter)) { /* no diretories */
572 dynstr_append_string(result, ""); /* no ID */
573 dynstr_append(result, '\n');
574 dynstr_append_string(result, choose_get_track(iter));
575 dynstr_append(result, '\n');
576 }
577}
578
579/** @brief Called to extract the dragged data from the choose view
580 * @param w Source widget (the tree view)
581 * @param dc Drag context
582 * @param data Where to put the answer
583 * @param info_ Target @c info parameter
584 * @param time_ Time data requested (for some reason not a @c time_t)
585 * @param user_data The queuelike
586 *
587 * Closely analogous to ql_drag_data_get(), and uses the same data format.
588 * IDs are sent as empty strings.
589 */
590static void choose_drag_data_get(GtkWidget *w,
591 GdkDragContext attribute((unused)) *dc,
592 GtkSelectionData *data,
593 guint attribute((unused)) info_,
594 guint attribute((unused)) time_,
595 gpointer attribute((unused)) user_data) {
596 struct dynstr result[1];
597 GtkTreeSelection *sel;
598
599 sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(w));
600 dynstr_init(result);
601 gtk_tree_selection_selected_foreach(sel,
602 choose_drag_data_get_collect,
603 result);
604 gtk_selection_data_set(data,
605 GDK_TARGET_STRING,
606 8, (guchar *)result->vec, result->nvec);
607}
608
ebcfbfef 609/** @brief Create the choose tab */
460b9539 610GtkWidget *choose_widget(void) {
ebcfbfef 611 /* Create the tree store. */
a98fd571 612 choose_store = gtk_tree_store_new(CHOOSE_COLUMNS,
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613 G_TYPE_BOOLEAN,
614 G_TYPE_STRING,
ebcfbfef 615 G_TYPE_STRING,
a3602333 616 G_TYPE_BOOLEAN,
a98fd571 617 G_TYPE_STRING,
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618 G_TYPE_STRING,
619 G_TYPE_STRING,
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620 G_TYPE_STRING,
621 G_TYPE_BOOLEAN);
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622
623 /* Create the view */
624 choose_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(choose_store));
ad47bd4c 625 gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(choose_view), TRUE);
d9a92920 626 /* Suppress built-in typeahead find, we do our own search support. */
26108f95 627 gtk_tree_view_set_enable_search(GTK_TREE_VIEW(choose_view), FALSE);
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628
629 /* Create cell renderers and columns */
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630 /* TODO use a table */
631 {
e9a72659 632 GtkCellRenderer *r = gtk_cell_renderer_toggle_new();
ad47bd4c 633 GtkTreeViewColumn *c = gtk_tree_view_column_new_with_attributes
e9a72659 634 ("Queued",
ad47bd4c 635 r,
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636 "active", STATE_COLUMN,
637 "visible", ISFILE_COLUMN,
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638 (char *)0);
639 gtk_tree_view_column_set_resizable(c, TRUE);
640 gtk_tree_view_column_set_reorderable(c, TRUE);
ad47bd4c 641 gtk_tree_view_append_column(GTK_TREE_VIEW(choose_view), c);
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642 g_signal_connect(r, "toggled",
643 G_CALLBACK(choose_state_toggled), 0);
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644 }
645 {
646 GtkCellRenderer *r = gtk_cell_renderer_text_new();
647 GtkTreeViewColumn *c = gtk_tree_view_column_new_with_attributes
648 ("Length",
649 r,
650 "text", LENGTH_COLUMN,
651 (char *)0);
652 gtk_tree_view_column_set_resizable(c, TRUE);
653 gtk_tree_view_column_set_reorderable(c, TRUE);
a3602333 654 g_object_set(r, "xalign", (gfloat)1.0, (char *)0);
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655 gtk_tree_view_append_column(GTK_TREE_VIEW(choose_view), c);
656 }
657 {
e9a72659 658 GtkCellRenderer *r = gtk_cell_renderer_text_new();
ad47bd4c 659 GtkTreeViewColumn *c = gtk_tree_view_column_new_with_attributes
e9a72659 660 ("Track",
ad47bd4c 661 r,
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662 "text", NAME_COLUMN,
663 "background", BG_COLUMN,
664 "foreground", FG_COLUMN,
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665 (char *)0);
666 gtk_tree_view_column_set_resizable(c, TRUE);
667 gtk_tree_view_column_set_reorderable(c, TRUE);
e9a72659 668 g_object_set(c, "expand", TRUE, (char *)0);
ad47bd4c 669 gtk_tree_view_append_column(GTK_TREE_VIEW(choose_view), c);
e9a72659 670 gtk_tree_view_set_expander_column(GTK_TREE_VIEW(choose_view), c);
ad47bd4c 671 }
460b9539 672
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673 /* The selection should support multiple things being selected */
674 choose_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(choose_view));
675 gtk_tree_selection_set_mode(choose_selection, GTK_SELECTION_MULTIPLE);
676
677 /* Catch button presses */
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678 g_signal_connect(choose_view, "button-press-event",
679 G_CALLBACK(choose_button_event), 0);
680 g_signal_connect(choose_view, "button-release-event",
681 G_CALLBACK(choose_button_event), 0);
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682 /* Catch row expansions so we can fill in placeholders */
683 g_signal_connect(choose_view, "row-expanded",
684 G_CALLBACK(choose_row_expanded), 0);
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685
686 event_register("queue-list-changed", choose_set_state, 0);
687 event_register("playing-track-changed", choose_set_state, 0);
cfa78eaa 688 event_register("search-results-changed", choose_set_state, 0);
3efa1d16 689 event_register("lookups-completed", choose_set_state, 0);
a0e78d96 690 event_register("choose-more-tracks", choose_menu_moretracks, 0);
3efa1d16 691
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692 /* After a rescan we update the choose tree. We get a rescan-complete
693 * automatically at startup and upon connection too. */
694 event_register("rescan-complete", choose_refill, 0);
cfa78eaa 695
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696 /* Make the widget scrollable */
697 GtkWidget *scrolled = scroll_widget(choose_view);
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698
699 /* Pack vertically with the search widget */
700 GtkWidget *vbox = gtk_vbox_new(FALSE/*homogenous*/, 1/*spacing*/);
701 gtk_box_pack_start(GTK_BOX(vbox), scrolled,
702 TRUE/*expand*/, TRUE/*fill*/, 0/*padding*/);
703 gtk_box_pack_end(GTK_BOX(vbox), choose_search_widget(),
704 FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
705
706 g_object_set_data(G_OBJECT(vbox), "type", (void *)&choose_tabtype);
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707
708 /* Redirect keyboard activity to the search widget */
709 g_signal_connect(choose_view, "key-press-event",
710 G_CALLBACK(choose_key_event), choose_search_entry);
711 g_signal_connect(choose_view, "key-release-event",
712 G_CALLBACK(choose_key_event), choose_search_entry);
713
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714 /* Enable dragging of tracks out */
715 gtk_drag_source_set(choose_view,
716 GDK_BUTTON1_MASK,
717 choose_targets,
a6712ea8 718 1,
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719 GDK_ACTION_COPY);
720 g_signal_connect(choose_view, "drag-data-get",
721 G_CALLBACK(choose_drag_data_get), NULL);
722 make_treeview_multidrag(choose_view,
723 choose_multidrag_predicate);
724
cfa78eaa 725 return vbox;
460b9539 726}
727
728/*
729Local Variables:
730c-basic-offset:2
731comment-column:40
732fill-column:79
733indent-tabs-mode:nil
734End:
735*/