2 * This file is part of DisOrder
3 * Copyright (C) 2006-2008 Richard Kettlewell
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.
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.
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
20 /** @file disobedience/choose.c
21 * @brief Hierarchical track selection and search
23 * We don't use the built-in tree widgets because they require that you know
24 * the children of a node on demand, and we have to wait for the server to tell
28 #include "disobedience.h"
31 /* Choose track ------------------------------------------------------------ */
37 struct timeval gtkbits;
38 struct timeval menuupdate;
39 struct timeval new_widgets;
40 struct timeval undisplay;
41 struct timeval colors;
42 struct timeval markers;
43 struct timeval location;
44 struct timeval selection;
47 #define BEGIN(WHAT) do { \
48 struct timeval started##WHAT, finished##WHAT; \
49 xgettimeofday(&started##WHAT, 0)
52 xgettimeofday(&finished##WHAT, 0); \
53 times.WHAT = tvadd(times.WHAT, tvsub(finished##WHAT, started##WHAT)); \
56 #define INIT() memset(×, 0, sizeof times)
58 #define REPORT() do { \
59 fprintf(stderr, "total=%g\n" \
70 tvdouble(times.total), \
71 tvdouble(times.gtkbits), \
72 tvdouble(times.menuupdate), \
73 tvdouble(times.new_widgets), \
74 tvdouble(times.undisplay), \
75 tvdouble(times.colors), \
76 tvdouble(times.markers), \
77 tvdouble(times.location), \
78 tvdouble(times.selection), \
79 (tvdouble(times.gtkbits) \
80 + tvdouble(times.menuupdate) \
81 + tvdouble(times.new_widgets) \
82 + tvdouble(times.undisplay) \
83 + tvdouble(times.colors) \
84 + tvdouble(times.markers) \
85 + tvdouble(times.location) \
86 + tvdouble(times.selection))); \
89 #define BEGIN(WHAT) do {
90 #define END(WHAT) } while(0)
91 #define INIT() ((void)0)
92 #define REPORT() ((void)0)
111 /** @brief Accumulated information about the tree widget */
113 /** @brief Maximum width required */
115 /** @brief Maximum height required */
119 /* instantiate the node vector type */
121 VECTOR_TYPE(nodevector, struct choosenode *, xrealloc);
123 /** @brief Signature of function called when a choosenode is filled */
124 typedef void (when_filled_callback)(struct choosenode *cn,
127 /** @brief One node in the virtual filesystem */
129 struct choosenode *parent; /**< @brief parent node */
130 const char *path; /**< @brief full path or 0 */
131 const char *sort; /**< @brief sort key */
132 const char *display; /**< @brief display name */
133 int pending; /**< @brief pending resolve queries */
135 #define CN_EXPANDABLE 0x0001 /**< @brief node is expandable */
136 #define CN_EXPANDED 0x0002 /**< @brief node is expanded
138 * Expandable items are directories;
139 * non-expandable ones are files. */
140 #define CN_DISPLAYED 0x0004 /**< @brief widget is displayed in layout */
141 #define CN_SELECTED 0x0008 /**< @brief node is selected */
142 #define CN_GETTING_FILES 0x0010 /**< @brief files inbound */
143 #define CN_RESOLVING_FILES 0x0020 /**< @brief resolved files inbound */
144 #define CN_GETTING_DIRS 0x0040 /**< @brief directories inbound */
145 #define CN_GETTING_ANY 0x0070 /**< @brief getting something */
146 #define CN_CONTINGENT 0x0080 /**< @brief expansion contingent on search */
147 struct nodevector children; /**< @brief vector of children */
148 void (*fill)(struct choosenode *); /**< @brief request child fill or 0 for leaf */
149 GtkWidget *container; /**< @brief the container for this row */
150 GtkWidget *hbox; /**< @brief the hbox for this row */
151 GtkWidget *arrow; /**< @brief arrow widget or 0 */
152 GtkWidget *label; /**< @brief text label for this node */
153 GtkWidget *marker; /**< @brief queued marker */
155 when_filled_callback *whenfilled; /**< @brief called when filled or 0 */
156 void *wfu; /**< @brief passed to @c whenfilled */
157 int ymin; /**< @brief least Y value */
158 int ymax; /**< @brief greatest Y value */
161 /** @brief One item in the popup menu */
162 struct choose_menuitem {
164 const char *name; /**< @brief name */
167 void (*activate)(GtkMenuItem *menuitem, gpointer user_data);
168 /**< @brief Called to activate the menu item.
170 * @p user_data is the choosenode the mouse pointer is over. */
172 gboolean (*sensitive)(struct choosenode *cn);
173 /* @brief Called to determine whether the menu item should be sensitive.
178 gulong handlerid; /**< @brief signal handler ID */
179 GtkWidget *w; /**< @brief menu item widget */
184 static GtkWidget *chooselayout;
185 static GtkAdjustment *vadjust;
186 static GtkWidget *searchentry; /**< @brief search terms */
187 static GtkWidget *nextsearch; /**< @brief next search result */
188 static GtkWidget *prevsearch; /**< @brief previous search result */
189 static struct choosenode *root;
190 static GtkWidget *track_menu; /**< @brief track popup menu */
191 static GtkWidget *dir_menu; /**< @brief directory popup menu */
192 static struct choosenode *last_click; /**< @brief last clicked node for selection */
193 static int files_visible; /**< @brief total files visible */
194 static int files_selected; /**< @brief total files selected */
195 static int gets_in_flight; /**< @brief total gets in flight */
196 static int search_in_flight; /**< @brief a search is underway */
197 static int search_obsolete; /**< @brief the current search is void */
198 static char **searchresults; /**< @brief search results */
199 static int nsearchresults; /**< @brief number of results */
200 static int nsearchvisible; /**< @brief number of search results visible */
201 static struct hash *searchhash; /**< @brief hash of search results */
202 static struct progress_window *spw; /**< @brief progress window */
203 static struct choosenode **searchnodes; /**< @brief choosenodes of search results */
204 static int suppress_redisplay; /**< @brief suppress redisplay */
206 /* Forward Declarations */
208 static void clear_children(struct choosenode *cn);
209 static struct choosenode *newnode(struct choosenode *parent,
214 void (*fill)(struct choosenode *));
215 static void fill_root_node(struct choosenode *cn);
216 static void fill_directory_node(struct choosenode *cn);
217 static void got_files(void *v, int nvec, char **vec);
218 static void got_resolved_file(void *v, const char *error, const char *track);
219 static void got_dirs(void *v, int nvec, char **vec);
221 static void expand_node(struct choosenode *cn, int contingent);
222 static void contract_node(struct choosenode *cn);
223 static void updated_node(struct choosenode *cn, int redisplay,
226 static void display_selection(struct choosenode *cn);
227 static void clear_selection(struct choosenode *cn);
229 static void redisplay_tree(const char *why);
230 static struct displaydata display_tree(struct choosenode *cn, int x, int y);
231 static void undisplay_tree(struct choosenode *cn);
232 static void initiate_search(void);
233 static void delete_widgets(struct choosenode *cn);
234 static void expand_from(struct choosenode *cn);
235 static struct choosenode *first_search_result(struct choosenode *cn);
237 static void clicked_choosenode(GtkWidget attribute((unused)) *widget,
238 GdkEventButton *event,
241 static void activate_track_play(GtkMenuItem *menuitem, gpointer user_data);
242 static void activate_track_properties(GtkMenuItem *menuitem, gpointer user_data);
244 static gboolean sensitive_track_play(struct choosenode *cn);
245 static gboolean sensitive_track_properties(struct choosenode *cn);
247 static void activate_dir_play(GtkMenuItem *menuitem, gpointer user_data);
248 static void activate_dir_properties(GtkMenuItem *menuitem, gpointer user_data);
249 static void activate_dir_select(GtkMenuItem *menuitem, gpointer user_data);
251 static gboolean sensitive_dir_play(struct choosenode *cn);
252 static gboolean sensitive_dir_properties(struct choosenode *cn);
253 static gboolean sensitive_dir_select(struct choosenode *cn);
255 /** @brief Track menu items */
256 static struct choose_menuitem track_menuitems[] = {
257 { "Play track", activate_track_play, sensitive_track_play, 0, 0 },
258 { "Track properties", activate_track_properties, sensitive_track_properties, 0, 0 },
262 /** @brief Directory menu items */
263 static struct choose_menuitem dir_menuitems[] = {
264 { "Play all tracks", activate_dir_play, sensitive_dir_play, 0, 0 },
265 { "Track properties", activate_dir_properties, sensitive_dir_properties, 0, 0 },
266 { "Select all tracks", activate_dir_select, sensitive_dir_select, 0, 0 },
270 /* Maintaining the data structure ------------------------------------------ */
272 static char *cnflags(const struct choosenode *cn) {
273 unsigned f = cn->flags, n;
276 static const char *bits[] = {
286 #define NBITS (sizeof bits / sizeof *bits)
290 dynstr_append(d, '0');
292 for(n = 0; n < NBITS; ++n) {
293 const unsigned bit = 1 << n;
296 dynstr_append(d, '|');
297 dynstr_append_string(d, bits[n]);
304 dynstr_append(d, '|');
305 sprintf(buf, "%#x", f);
306 dynstr_append_string(d, buf);
313 /** @brief Create a new node */
314 static struct choosenode *newnode(struct choosenode *parent,
319 void (*fill)(struct choosenode *)) {
320 struct choosenode *const n = xmalloc(sizeof *n);
322 D(("newnode %s %s", path, display));
323 if(flags & CN_EXPANDABLE)
329 n->display = display;
332 nodevector_init(&n->children);
335 nodevector_append(&parent->children, n);
339 /** @brief Called when a node has been filled
341 * Response for calling @c whenfilled.
343 static void filled(struct choosenode *cn) {
344 when_filled_callback *const whenfilled = cn->whenfilled;
348 whenfilled(cn, cn->wfu);
350 if(nsearchvisible < nsearchresults) {
351 /* There is still search expansion work to do */
352 D(("filled %s %d/%d", cn->path, nsearchvisible, nsearchresults));
355 if(gets_in_flight == 0 && nsearchvisible < nsearchresults)
359 /** @brief Fill the root */
360 static void fill_root_node(struct choosenode *cn) {
361 struct callbackdata *cbd;
363 D(("fill_root_node"));
365 /* More de-duping possible here */
366 if(cn->flags & CN_GETTING_ANY)
368 gtk_label_set_text(GTK_LABEL(report_label), "getting files");
369 cbd = xmalloc(sizeof *cbd);
370 cbd->u.choosenode = cn;
371 disorder_eclient_dirs(client, got_dirs, "", 0, cbd);
372 cbd = xmalloc(sizeof *cbd);
373 cbd->u.choosenode = cn;
374 disorder_eclient_files(client, got_files, "", 0, cbd);
375 cn->flags |= CN_GETTING_FILES|CN_GETTING_DIRS;
379 /** @brief Delete all the widgets owned by @p cn */
380 static void delete_cn_widgets(struct choosenode *cn) {
383 gtk_widget_destroy(cn->arrow);
388 gtk_widget_destroy(cn->label);
393 gtk_widget_destroy(cn->marker);
398 gtk_widget_destroy(cn->hbox);
403 gtk_widget_destroy(cn->container);
408 /** @brief Recursively clear all the children of @p cn
410 * All the widgets at or below @p cn are deleted. All choosenodes below
411 * it are emptied. i.e. we prune the tree at @p cn.
413 static void clear_children(struct choosenode *cn) {
416 D(("clear_children %s", cn->path));
417 /* Recursively clear subtrees */
418 for(n = 0; n < cn->children.nvec; ++n) {
419 clear_children(cn->children.vec[n]);
420 delete_cn_widgets(cn->children.vec[n]);
422 cn->children.nvec = 0;
425 /** @brief Called with a list of files just below some node */
426 static void got_files(void *v, int nvec, char **vec) {
427 struct callbackdata *cbd = v;
428 struct choosenode *cn = cbd->u.choosenode;
431 D(("got_files %d files for %s %s", nvec, cn->path, cnflags(cn)));
432 /* Complicated by the need to resolve aliases. */
433 cn->flags &= ~CN_GETTING_FILES;
435 if((cn->pending = nvec)) {
436 cn->flags |= CN_RESOLVING_FILES;
437 for(n = 0; n < nvec; ++n) {
438 disorder_eclient_resolve(client, got_resolved_file, vec[n], cn);
442 /* If there are no files and the directories are all read by now, we're
444 if(!(cn->flags & CN_GETTING_ANY))
447 redisplay_tree("got_files");
450 /** @brief Called with an alias resolved filename */
451 static void got_resolved_file(void *v, const char *error, const char *track) {
452 struct choosenode *const cn = v, *file_cn;
455 popup_protocol_error(0, error);
457 D(("resolved %s %s %d left", cn->path, cnflags(cn), cn->pending - 1));
459 file_cn = newnode(cn, track,
460 trackname_transform("track", track, "display"),
461 trackname_transform("track", track, "sort"),
462 0/*flags*/, 0/*fill*/);
464 /* Only bother updating when we've got the lot */
465 if(--cn->pending == 0) {
466 cn->flags &= ~CN_RESOLVING_FILES;
467 updated_node(cn, gets_in_flight == 0, "got_resolved_file");
468 if(!(cn->flags & CN_GETTING_ANY))
474 /** @brief Called with a list of directories just below some node */
475 static void got_dirs(void *v, int nvec, char **vec) {
476 struct callbackdata *cbd = v;
477 struct choosenode *cn = cbd->u.choosenode;
480 D(("got_dirs %d dirs for %s %s", nvec, cn->path, cnflags(cn)));
481 /* TODO this depends on local configuration for trackname_transform().
482 * This will work, since the defaults are now built-in, but it'll be
483 * (potentially) different to the server's configured settings.
485 * Really we want a variant of files/dirs that produces both the
486 * raw filename and the transformed name for a chosen context.
489 for(n = 0; n < nvec; ++n)
491 trackname_transform("dir", vec[n], "display"),
492 trackname_transform("dir", vec[n], "sort"),
493 CN_EXPANDABLE, fill_directory_node);
494 updated_node(cn, gets_in_flight == 0, "got_dirs");
495 cn->flags &= ~CN_GETTING_DIRS;
496 if(!(cn->flags & CN_GETTING_ANY))
500 /** @brief Fill a child node */
501 static void fill_directory_node(struct choosenode *cn) {
502 struct callbackdata *cbd;
504 D(("fill_directory_node %s", cn->path));
506 if(cn->flags & CN_GETTING_ANY)
508 assert(report_label != 0);
509 gtk_label_set_text(GTK_LABEL(report_label), "getting files");
511 cbd = xmalloc(sizeof *cbd);
512 cbd->u.choosenode = cn;
513 disorder_eclient_dirs(client, got_dirs, cn->path, 0, cbd);
514 cbd = xmalloc(sizeof *cbd);
515 cbd->u.choosenode = cn;
516 disorder_eclient_files(client, got_files, cn->path, 0, cbd);
517 cn->flags |= CN_GETTING_FILES|CN_GETTING_DIRS;
521 /** @brief Expand a node */
522 static void expand_node(struct choosenode *cn, int contingent) {
523 D(("expand_node %s %d %s", cn->path, contingent, cnflags(cn)));
524 assert(cn->flags & CN_EXPANDABLE);
525 /* If node is already expanded do nothing. */
526 if(cn->flags & CN_EXPANDED) return;
527 /* We mark the node as expanded and request that it fill itself. When it has
528 * completed it will called updated_node() and we can redraw at that
530 cn->flags |= CN_EXPANDED;
532 cn->flags |= CN_CONTINGENT;
534 cn->flags &= ~CN_CONTINGENT;
535 /* If this node is not contingently expanded, mark all its parents back to
536 * the root as not contingent either, so they won't be contracted when the
537 * search results change */
539 struct choosenode *cnp;
541 for(cnp = cn->parent; cnp; cnp = cnp->parent)
542 cnp->flags &= ~CN_CONTINGENT;
544 /* TODO: visual feedback */
548 /** @brief Make sure all the search results below @p cn are expanded
549 * @param cn Node to start at
551 static void expand_from(struct choosenode *cn) {
554 if(nsearchvisible == nsearchresults)
557 /* Are any of the search tracks at/below this point? */
558 if(!(cn == root || hash_find(searchhash, cn->path)))
560 D(("expand_from %d/%d visible %s",
561 nsearchvisible, nsearchresults, cn->path));
562 if(cn->flags & CN_EXPANDABLE) {
563 if(cn->flags & CN_EXPANDED)
564 /* This node is marked as expanded already. children.nvec might be 0,
565 * indicating that expansion is still underway. We should get another
566 * callback when it is expanded. */
567 for(n = 0; n < cn->children.nvec && gets_in_flight < 10; ++n)
568 expand_from(cn->children.vec[n]);
570 /* This node is not expanded yet */
574 /* This is an actual search result */
576 progress_window_progress(spw, nsearchvisible, nsearchresults);
577 if(nsearchvisible == nsearchresults) {
578 if(suppress_redisplay) {
579 suppress_redisplay = 0;
580 redisplay_tree("all search results visible");
582 /* We've got the lot. We make sure the first result is visible. */
583 cn = first_search_result(root);
584 gtk_adjustment_clamp_page(vadjust, cn->ymin, cn->ymax);
589 /** @brief Contract all contingently expanded nodes below @p cn */
590 static void contract_contingent(struct choosenode *cn) {
593 if(cn->flags & CN_CONTINGENT)
596 for(n = 0; n < cn->children.nvec; ++n)
597 contract_contingent(cn->children.vec[n]);
600 /** @brief Contract a node */
601 static void contract_node(struct choosenode *cn) {
602 D(("contract_node %s", cn->path));
603 assert(cn->flags & CN_EXPANDABLE);
604 /* If node is already contracted do nothing. */
605 if(!(cn->flags & CN_EXPANDED)) return;
606 cn->flags &= ~(CN_EXPANDED|CN_CONTINGENT);
607 /* Clear selection below this node */
609 /* Zot children. We never used to do this but the result would be that over
610 * time you'd end up with the entire tree pulled into memory. If the server
611 * is over a slow network it will make interactivity slightly worse; if
612 * anyone complains we can make it an option. */
614 /* We can contract a node immediately. */
615 redisplay_tree("contract_node");
618 /** @brief qsort() callback for ordering choosenodes */
619 static int compare_choosenode(const void *av, const void *bv) {
620 const struct choosenode *const *aa = av, *const *bb = bv;
621 const struct choosenode *a = *aa, *b = *bb;
623 return compare_tracks(a->sort, b->sort,
624 a->display, b->display,
628 /** @brief Called when an expandable node is updated. */
629 static void updated_node(struct choosenode *cn, int redisplay,
631 D(("updated_node %s", cn->path));
632 assert(cn->flags & CN_EXPANDABLE);
633 /* It might be that the node has been de-expanded since we requested the
634 * update. In that case we ignore this notification. */
635 if(!(cn->flags & CN_EXPANDED)) return;
637 qsort(cn->children.vec, cn->children.nvec, sizeof (struct choosenode *),
642 snprintf(whywhy, sizeof whywhy, "updated_node %s", why);
643 redisplay_tree(whywhy);
647 /* Searching --------------------------------------------------------------- */
649 /** @brief Return true if @p track is a search result
651 * In particular the return value is one more than the index of the track
654 static int is_search_result(const char *track) {
657 if(searchhash && (r = hash_find(searchhash, track)))
658 return 1 + *(int *)r;
663 /** @brief Return the first search result at or below @p cn */
664 static struct choosenode *first_search_result(struct choosenode *cn) {
666 struct choosenode *r;
668 if(cn->flags & CN_EXPANDABLE) {
669 for(n = 0; n < cn->children.nvec; ++n)
670 if((r = first_search_result(cn->children.vec[n])))
672 } else if(is_search_result(cn->path))
677 /** @brief Called with a list of search results
679 * This is called from eclient with a (possibly empty) list of search results,
680 * and also from initiate_seatch with an always empty list to indicate that
681 * we're not searching for anything in particular. */
682 static void search_completed(void attribute((unused)) *v,
683 int nvec, char **vec) {
687 search_in_flight = 0;
688 /* Contract any choosenodes that were only expanded to show search
690 suppress_redisplay = 1;
691 contract_contingent(root);
692 suppress_redisplay = 0;
693 if(search_obsolete) {
694 /* This search has been obsoleted by user input since it started.
695 * Therefore we throw away the result and search again. */
699 /* Stash the search results */
701 nsearchresults = nvec;
703 /* Create a new search hash for fast identification of results */
704 searchhash = hash_new(sizeof(int));
705 for(n = 0; n < nvec; ++n) {
706 int *const ip = xmalloc(sizeof (int *));
707 static const int minus_1 = -1;
709 /* The filename itself lives in the hash */
710 hash_add(searchhash, vec[n], ip, HASH_INSERT_OR_REPLACE);
711 /* So do its ancestor directories */
712 for(s = vec[n] + 1; *s; ++s) {
715 hash_add(searchhash, vec[n], &minus_1, HASH_INSERT_OR_REPLACE);
720 /* We don't yet know that the results are visible */
723 progress_window_progress(spw, 0, 0);
726 if(nsearchresults > 50)
727 spw = progress_window_new("Fetching search results");
728 /* Initiate expansion */
730 /* The search results buttons are usable */
731 gtk_widget_set_sensitive(nextsearch, 1);
732 gtk_widget_set_sensitive(prevsearch, 1);
733 suppress_redisplay = 1; /* avoid lots of redisplays */
735 searchhash = 0; /* for the gc */
736 redisplay_tree("no search results"); /* remove search markers */
737 /* The search results buttons are not usable */
738 gtk_widget_set_sensitive(nextsearch, 0);
739 gtk_widget_set_sensitive(prevsearch, 0);
744 /** @brief Initiate a search
746 * If a search is underway we set @ref search_obsolete and restart the search
747 * in search_completed() above.
749 static void initiate_search(void) {
752 /* Find out what the user is after */
753 terms = xstrdup(gtk_entry_get_text(GTK_ENTRY(searchentry)));
754 /* Strip leading and trailing space */
755 while(*terms == ' ') ++terms;
756 e = terms + strlen(terms);
757 while(e > terms && e[-1] == ' ') --e;
759 /* If a search is already underway then mark it as obsolete. We'll revisit
760 * when it returns. */
761 if(search_in_flight) {
766 /* There's still something left. Initiate the search. */
767 if(disorder_eclient_search(client, search_completed, terms, 0)) {
768 /* The search terms are bad! We treat this as if there were no search
769 * terms at all. Some kind of feedback would be handy. */
770 fprintf(stderr, "bad terms [%s]\n", terms); /* TODO */
771 search_completed(0, 0, 0);
773 search_in_flight = 1;
776 /* No search terms - we want to see all tracks */
777 search_completed(0, 0, 0);
781 /** @brief Called when the cancel search button is clicked */
782 static void clearsearch_clicked(GtkButton attribute((unused)) *button,
783 gpointer attribute((unused)) userdata) {
784 gtk_entry_set_text(GTK_ENTRY(searchentry), "");
787 /** @brief Called when the 'next search result' button is clicked */
788 static void next_clicked(GtkButton attribute((unused)) *button,
789 gpointer attribute((unused)) userdata) {
790 /* We want to find the highest (lowest ymax) track that is below the current
793 const gdouble bottom = gtk_adjustment_get_value(vadjust) + vadjust->page_size;
794 const struct choosenode *candidate = 0;
796 for(n = 0; n < nsearchresults; ++n) {
797 const struct choosenode *const cn = searchnodes[n];
802 || cn->ymax < candidate->ymax))
806 gtk_adjustment_clamp_page(vadjust, candidate->ymin, candidate->ymax);
809 /** @brief Called when the 'previous search result' button is clicked */
810 static void prev_clicked(GtkButton attribute((unused)) *button,
811 gpointer attribute((unused)) userdata) {
812 /* We want to find the lowest (greated ymax) track that is above the current
815 const gdouble top = gtk_adjustment_get_value(vadjust);
816 const struct choosenode *candidate = 0;
818 for(n = 0; n < nsearchresults; ++n) {
819 const struct choosenode *const cn = searchnodes[n];
824 || cn->ymax > candidate->ymax))
828 gtk_adjustment_clamp_page(vadjust, candidate->ymin, candidate->ymax);
831 /* Display functions ------------------------------------------------------- */
833 /** @brief Delete all the widgets in the tree */
834 static void delete_widgets(struct choosenode *cn) {
837 delete_cn_widgets(cn);
838 for(n = 0; n < cn->children.nvec; ++n)
839 delete_widgets(cn->children.vec[n]);
840 cn->flags &= ~(CN_DISPLAYED|CN_SELECTED);
844 /** @brief Update the display */
845 static void redisplay_tree(const char *why) {
846 struct displaydata d;
847 guint oldwidth, oldheight;
849 D(("redisplay_tree %s", why));
850 if(suppress_redisplay) {
851 /*fprintf(stderr, "redisplay_tree %s suppressed\n", why);*/
855 /*fprintf(stderr, "redisplay_tree %s suppressed (gets_in_flight)\n", why);*/
860 /*fprintf(stderr, "redisplay_tree %s *** NOT SUPPRESSED ***\n", why);*/
861 /* We'll count these up empirically each time */
864 /* Correct the layout and find out how much space it uses */
865 MTAG_PUSH("display_tree");
866 searchnodes = nsearchresults ? xcalloc(nsearchresults,
867 sizeof (struct choosenode *)) : 0;
868 d = display_tree(root, 0, 0);
872 /* We must set the total size or scrolling will not work (it wouldn't be hard
873 * for GtkLayout to figure it out for itself but presumably you're supposed
874 * to be able to have widgets off the edge of the layuot.)
876 * There is a problem: if we shrink the size then the part of the screen that
877 * is outside the new size but inside the old one is not updated. I think
878 * this is arguably bug in GTK+ but it's easy to force a redraw if this
879 * region is nonempty.
881 gtk_layout_get_size(GTK_LAYOUT(chooselayout), &oldwidth, &oldheight);
882 if(oldwidth > d.width || oldheight > d.height)
883 gtk_widget_queue_draw(chooselayout);
884 gtk_layout_set_size(GTK_LAYOUT(chooselayout), d.width, d.height);
886 /* Notify the main menu of any recent changes */
894 /** @brief Recursive step for redisplay_tree()
895 * @param cn Node to display
896 * @param x X coordinate for @p cn
897 * @param y Y coordinate for @p cn
899 * Makes sure all displayed widgets from CN down exist and are in their proper
900 * place and return the maximum space used.
902 static struct displaydata display_tree(struct choosenode *cn, int x, int y) {
905 struct displaydata d, cd;
907 const int search_result = is_search_result(cn->path);
909 D(("display_tree %s %d,%d", cn->path, x, y));
911 /* An expandable item contains an arrow and a text label. When you press the
912 * button it flips its expand state.
914 * A non-expandable item has just a text label and no arrow.
918 MTAG_PUSH("make_widgets_1");
919 /* Widgets need to be created */
921 cn->hbox = gtk_hbox_new(FALSE, 1);
922 if(cn->flags & CN_EXPANDABLE) {
924 cn->arrow = gtk_arrow_new(cn->flags & CN_EXPANDED ? GTK_ARROW_DOWN
930 if((pb = find_image("notes.png"))) {
932 cn->marker = gtk_image_new_from_pixbuf(pb);
936 MTAG_PUSH("make_widgets_2");
938 cn->label = gtk_label_new(cn->display);
940 gtk_container_add(GTK_CONTAINER(cn->hbox), cn->arrow);
941 gtk_container_add(GTK_CONTAINER(cn->hbox), cn->label);
943 gtk_container_add(GTK_CONTAINER(cn->hbox), cn->marker);
945 MTAG_PUSH("make_widgets_3");
947 cn->container = gtk_event_box_new();
948 gtk_container_add(GTK_CONTAINER(cn->container), cn->hbox);
949 g_signal_connect(cn->container, "button-release-event",
950 G_CALLBACK(clicked_choosenode), cn);
951 g_signal_connect(cn->container, "button-press-event",
952 G_CALLBACK(clicked_choosenode), cn);
953 g_object_ref(cn->container);
954 /* Show everything by default */
955 gtk_widget_show_all(cn->container);
959 assert(cn->container);
963 gtk_widget_set_style(cn->container, search_style);
964 gtk_widget_set_style(cn->label, search_style);
966 gtk_widget_set_style(cn->container, layout_style);
967 gtk_widget_set_style(cn->label, layout_style);
970 /* Make sure the icon is right */
972 if(cn->flags & CN_EXPANDABLE)
973 gtk_arrow_set(GTK_ARROW(cn->arrow),
974 cn->flags & CN_EXPANDED ? GTK_ARROW_DOWN : GTK_ARROW_RIGHT,
977 /* Make sure the queued marker is right */
978 /* TODO: doesn't always work */
979 (queued(cn->path) ? gtk_widget_show : gtk_widget_hide)(cn->marker);
981 /* Put the widget in the right place */
983 if(cn->flags & CN_DISPLAYED)
984 gtk_layout_move(GTK_LAYOUT(chooselayout), cn->container, x, y);
986 gtk_layout_put(GTK_LAYOUT(chooselayout), cn->container, x, y);
987 cn->flags |= CN_DISPLAYED;
988 /* Now chooselayout has a ref to the container */
989 g_object_unref(cn->container);
992 /* Set the widget's selection status */
994 if(!(cn->flags & CN_EXPANDABLE))
995 display_selection(cn);
997 /* Find the size used so we can get vertical positioning right. */
998 gtk_widget_size_request(cn->container, &req);
999 d.width = x + req.width;
1000 d.height = y + req.height;
1002 cn->ymax = d.height;
1003 if(cn->flags & CN_EXPANDED) {
1004 /* We'll offset children by the size of the arrow whatever it might be. */
1006 gtk_widget_size_request(cn->arrow, &req);
1008 for(n = 0; n < cn->children.nvec; ++n) {
1009 cd = display_tree(cn->children.vec[n], x + aw, d.height);
1010 if(cd.width > d.width)
1012 d.height = cd.height;
1016 for(n = 0; n < cn->children.nvec; ++n)
1017 undisplay_tree(cn->children.vec[n]);
1020 if(!(cn->flags & CN_EXPANDABLE)) {
1022 if(cn->flags & CN_SELECTED)
1025 /* update the search results array */
1027 searchnodes[search_result - 1] = cn;
1028 /* report back how much space we used */
1029 D(("display_tree %s %d,%d total size %dx%d", cn->path, x, y,
1030 d.width, d.height));
1034 /** @brief Remove widgets for newly hidden nodes */
1035 static void undisplay_tree(struct choosenode *cn) {
1038 D(("undisplay_tree %s", cn->path));
1039 /* Remove this widget from the display */
1040 if(cn->flags & CN_DISPLAYED) {
1041 gtk_container_remove(GTK_CONTAINER(chooselayout), cn->container);
1042 cn->flags ^= CN_DISPLAYED;
1044 /* Remove children too */
1045 for(n = 0; n < cn->children.nvec; ++n)
1046 undisplay_tree(cn->children.vec[n]);
1049 /* Selection --------------------------------------------------------------- */
1051 /** @brief Mark the widget @p cn according to its selection state */
1052 static void display_selection(struct choosenode *cn) {
1053 /* Need foreground and background colors */
1054 gtk_widget_set_state(cn->label, (cn->flags & CN_SELECTED
1055 ? GTK_STATE_SELECTED : GTK_STATE_NORMAL));
1056 gtk_widget_set_state(cn->container, (cn->flags & CN_SELECTED
1057 ? GTK_STATE_SELECTED : GTK_STATE_NORMAL));
1060 /** @brief Set the selection state of a widget
1062 * Directories can never be selected, we just ignore attempts to do so. */
1063 static void set_selection(struct choosenode *cn, int selected) {
1064 unsigned f = selected ? CN_SELECTED : 0;
1066 D(("set_selection %d %s", selected, cn->path));
1067 if(!(cn->flags & CN_EXPANDABLE) && (cn->flags & CN_SELECTED) != f) {
1068 cn->flags ^= CN_SELECTED;
1069 /* Maintain selection count */
1074 display_selection(cn);
1075 /* Update main menu sensitivity */
1080 /** @brief Recursively clear all selection bits from CN down */
1081 static void clear_selection(struct choosenode *cn) {
1084 set_selection(cn, 0);
1085 for(n = 0; n < cn->children.nvec; ++n)
1086 clear_selection(cn->children.vec[n]);
1089 /* User actions ------------------------------------------------------------ */
1091 /** @brief Called when disorder_eclient_play completes */
1092 void play_completed(void attribute((unused)) *v,
1093 const char *error) {
1095 popup_protocol_error(0, error);
1098 /** @brief Clicked on something
1100 * This implements playing, all the modifiers for selection, etc.
1102 static void clicked_choosenode(GtkWidget attribute((unused)) *widget,
1103 GdkEventButton *event,
1104 gpointer user_data) {
1105 struct choosenode *cn = user_data;
1106 int ind, last_ind, n;
1108 D(("clicked_choosenode %s", cn->path));
1109 if(event->type == GDK_BUTTON_RELEASE
1110 && event->button == 1) {
1112 if(cn->flags & CN_EXPANDABLE) {
1113 /* This is a directory. Flip its expansion status. */
1114 if(cn->flags & CN_EXPANDED)
1117 expand_node(cn, 0/*!contingent*/);
1120 /* This is a file. Adjust selection status */
1121 /* TODO the basic logic here is essentially the same as that in queue.c.
1122 * Can we share code at all? */
1123 switch(event->state & (GDK_SHIFT_MASK|GDK_CONTROL_MASK)) {
1125 clear_selection(root);
1126 set_selection(cn, 1);
1129 case GDK_CONTROL_MASK:
1130 set_selection(cn, !(cn->flags & CN_SELECTED));
1133 case GDK_SHIFT_MASK:
1134 case GDK_SHIFT_MASK|GDK_CONTROL_MASK:
1135 if(last_click && last_click->parent == cn->parent) {
1136 /* Figure out where the current and last clicks are in the list */
1137 ind = last_ind = -1;
1138 for(n = 0; n < cn->parent->children.nvec; ++n) {
1139 if(cn->parent->children.vec[n] == cn)
1141 if(cn->parent->children.vec[n] == last_click)
1144 /* Test shouldn't ever fail, but still */
1145 if(ind >= 0 && last_ind >= 0) {
1146 if(!(event->state & GDK_CONTROL_MASK)) {
1147 for(n = 0; n < cn->parent->children.nvec; ++n)
1148 set_selection(cn->parent->children.vec[n], 0);
1151 for(n = last_ind; n <= ind; ++n)
1152 set_selection(cn->parent->children.vec[n], 1);
1154 for(n = ind; n <= last_ind; ++n)
1155 set_selection(cn->parent->children.vec[n], 1);
1156 if(event->state & GDK_CONTROL_MASK)
1160 /* TODO trying to select a range that doesn't share a single parent
1161 * currently does not work, but it ought to. */
1165 } else if(event->type == GDK_BUTTON_RELEASE
1166 && event->button == 2) {
1167 /* Middle click - play the pointed track */
1168 if(!(cn->flags & CN_EXPANDABLE)) {
1169 clear_selection(root);
1170 set_selection(cn, 1);
1171 gtk_label_set_text(GTK_LABEL(report_label), "adding track to queue");
1172 disorder_eclient_play(client, cn->path, play_completed, 0);
1175 } else if(event->type == GDK_BUTTON_PRESS
1176 && event->button == 3) {
1177 struct choose_menuitem *const menuitems =
1178 (cn->flags & CN_EXPANDABLE ? dir_menuitems : track_menuitems);
1179 GtkWidget *const menu =
1180 (cn->flags & CN_EXPANDABLE ? dir_menu : track_menu);
1181 /* Right click. Pop up a menu. */
1182 /* If the current file isn't selected, switch the selection to just that.
1183 * (If we're looking at a directory then leave the selection alone.) */
1184 if(!(cn->flags & CN_EXPANDABLE) && !(cn->flags & CN_SELECTED)) {
1185 clear_selection(root);
1186 set_selection(cn, 1);
1189 /* Set the item sensitivity and callbacks */
1190 for(n = 0; menuitems[n].name; ++n) {
1191 if(menuitems[n].handlerid)
1192 g_signal_handler_disconnect(menuitems[n].w,
1193 menuitems[n].handlerid);
1194 gtk_widget_set_sensitive(menuitems[n].w,
1195 menuitems[n].sensitive(cn));
1196 menuitems[n].handlerid = g_signal_connect
1197 (menuitems[n].w, "activate", G_CALLBACK(menuitems[n].activate), cn);
1199 set_tool_colors(menu);
1200 /* Pop up the menu */
1201 gtk_widget_show_all(menu);
1202 gtk_menu_popup(GTK_MENU(menu), 0, 0, 0, 0,
1203 event->button, event->time);
1207 /** @brief Called BY GTK+ to tell us the search entry box has changed */
1208 static void searchentry_changed(GtkEditable attribute((unused)) *editable,
1209 gpointer attribute((unused)) user_data) {
1213 /* Track menu items -------------------------------------------------------- */
1215 /** @brief Recursive step for gather_selected() */
1216 static void recurse_selected(struct choosenode *cn, struct vector *v) {
1219 if(cn->flags & CN_EXPANDABLE) {
1220 if(cn->flags & CN_EXPANDED)
1221 for(n = 0; n < cn->children.nvec; ++n)
1222 recurse_selected(cn->children.vec[n], v);
1224 if((cn->flags & CN_SELECTED) && cn->path)
1225 vector_append(v, (char *)cn->path);
1229 /*** @brief Get a list of all the selected tracks */
1230 static const char **gather_selected(int *ntracks) {
1234 recurse_selected(root, &v);
1235 vector_terminate(&v);
1236 if(ntracks) *ntracks = v.nvec;
1237 return (const char **)v.vec;
1240 /** @brief Called when the track menu's play option is activated */
1241 static void activate_track_play(GtkMenuItem attribute((unused)) *menuitem,
1242 gpointer attribute((unused)) user_data) {
1243 const char **tracks = gather_selected(0);
1246 gtk_label_set_text(GTK_LABEL(report_label), "adding track to queue");
1247 for(n = 0; tracks[n]; ++n)
1248 disorder_eclient_play(client, tracks[n], play_completed, 0);
1251 /** @brief Called when the menu's properties option is activated */
1252 static void activate_track_properties(GtkMenuItem attribute((unused)) *menuitem,
1253 gpointer attribute((unused)) user_data) {
1255 const char **tracks = gather_selected(&ntracks);
1257 properties(ntracks, tracks);
1260 /** @brief Determine whether the menu's play option should be sensitive */
1261 static gboolean sensitive_track_play(struct choosenode attribute((unused)) *cn) {
1262 return (!!files_selected
1263 && (disorder_eclient_state(client) & DISORDER_CONNECTED));
1266 /** @brief Determine whether the menu's properties option should be sensitive */
1267 static gboolean sensitive_track_properties(struct choosenode attribute((unused)) *cn) {
1268 return !!files_selected && (disorder_eclient_state(client) & DISORDER_CONNECTED);
1271 /* Directory menu items ---------------------------------------------------- */
1273 /** @brief Return the file children of @p cn
1275 * The list is terminated by a null pointer.
1277 static const char **dir_files(struct choosenode *cn, int *nfiles) {
1278 const char **files = xcalloc(cn->children.nvec + 1, sizeof (char *));
1281 for(n = m = 0; n < cn->children.nvec; ++n)
1282 if(!(cn->children.vec[n]->flags & CN_EXPANDABLE))
1283 files[m++] = cn->children.vec[n]->path;
1285 if(nfiles) *nfiles = m;
1289 static void play_dir(struct choosenode *cn,
1290 void attribute((unused)) *wfu) {
1292 const char **tracks = dir_files(cn, &ntracks);
1294 gtk_label_set_text(GTK_LABEL(report_label), "adding track to queue");
1295 for(n = 0; n < ntracks; ++n)
1296 disorder_eclient_play(client, tracks[n], play_completed, 0);
1299 static void properties_dir(struct choosenode *cn,
1300 void attribute((unused)) *wfu) {
1302 const char **tracks = dir_files(cn, &ntracks);
1304 properties(ntracks, tracks);
1307 static void select_dir(struct choosenode *cn,
1308 void attribute((unused)) *wfu) {
1311 clear_selection(root);
1312 for(n = 0; n < cn->children.nvec; ++n)
1313 set_selection(cn->children.vec[n], 1);
1316 /** @brief Ensure @p cn is expanded and then call @p callback */
1317 static void call_with_dir(struct choosenode *cn,
1318 when_filled_callback *whenfilled,
1320 if(!(cn->flags & CN_EXPANDABLE))
1321 return; /* something went wrong */
1322 if(cn->flags & CN_EXPANDED)
1323 /* @p cn is already open */
1324 whenfilled(cn, wfu);
1326 /* @p cn is not open, arrange for the callback to go off when it is
1328 cn->whenfilled = whenfilled;
1330 expand_node(cn, 0/*not contingnet upon search*/);
1334 /** @brief Called when the directory menu's play option is activated */
1335 static void activate_dir_play(GtkMenuItem attribute((unused)) *menuitem,
1336 gpointer user_data) {
1337 struct choosenode *const cn = (struct choosenode *)user_data;
1339 call_with_dir(cn, play_dir, 0);
1342 /** @brief Called when the directory menu's properties option is activated */
1343 static void activate_dir_properties(GtkMenuItem attribute((unused)) *menuitem,
1344 gpointer user_data) {
1345 struct choosenode *const cn = (struct choosenode *)user_data;
1347 call_with_dir(cn, properties_dir, 0);
1350 /** @brief Called when the directory menu's select option is activated */
1351 static void activate_dir_select(GtkMenuItem attribute((unused)) *menuitem,
1352 gpointer user_data) {
1353 struct choosenode *const cn = (struct choosenode *)user_data;
1355 call_with_dir(cn, select_dir, 0);
1358 /** @brief Determine whether the directory menu's play option should be sensitive */
1359 static gboolean sensitive_dir_play(struct choosenode attribute((unused)) *cn) {
1360 return !!(disorder_eclient_state(client) & DISORDER_CONNECTED);
1363 /** @brief Determine whether the directory menu's properties option should be sensitive */
1364 static gboolean sensitive_dir_properties(struct choosenode attribute((unused)) *cn) {
1365 return !!(disorder_eclient_state(client) & DISORDER_CONNECTED);
1368 /** @brief Determine whether the directory menu's select option should be sensitive */
1369 static gboolean sensitive_dir_select(struct choosenode attribute((unused)) *cn) {
1375 /* Main menu plumbing ------------------------------------------------------ */
1377 /** @brief Determine whether the edit menu's properties option should be sensitive */
1378 static int choose_properties_sensitive(GtkWidget attribute((unused)) *w) {
1379 return !!files_selected && (disorder_eclient_state(client) & DISORDER_CONNECTED);
1382 /** @brief Determine whether the edit menu's select all option should be sensitive
1384 * TODO not implemented, see also choose_selectall_activate()
1386 static int choose_selectall_sensitive(GtkWidget attribute((unused)) *w) {
1390 /** @brief Determine whether the edit menu's select none option should be sensitive
1392 * TODO not implemented, see also choose_selectnone_activate()
1394 static int choose_selectnone_sensitive(GtkWidget attribute((unused)) *w) {
1398 /** @brief Called when the edit menu's properties option is activated */
1399 static void choose_properties_activate(GtkWidget attribute((unused)) *w) {
1400 activate_track_properties(0, 0);
1403 /** @brief Called when the edit menu's select all option is activated
1405 * TODO not implemented, see choose_selectall_sensitive() */
1406 static void choose_selectall_activate(GtkWidget attribute((unused)) *w) {
1409 /** @brief Called when the edit menu's select none option is activated
1411 * TODO not implemented, see choose_selectnone_sensitive() */
1412 static void choose_selectnone_activate(GtkWidget attribute((unused)) *w) {
1415 /** @brief Main menu callbacks for Choose screen */
1416 static const struct tabtype tabtype_choose = {
1417 choose_properties_sensitive,
1418 choose_selectall_sensitive,
1419 choose_selectnone_sensitive,
1420 choose_properties_activate,
1421 choose_selectall_activate,
1422 choose_selectnone_activate,
1425 /* Public entry points ----------------------------------------------------- */
1427 /** @brief Called to entirely reset the choose screen */
1428 static void choose_reset(void) {
1430 undisplay_tree(root);
1431 root = newnode(0/*parent*/, "<root>", "All files", "",
1432 CN_EXPANDABLE, fill_root_node);
1433 expand_node(root, 0); /* will call redisplay_tree */
1436 /** @brief Create a track choice widget */
1437 GtkWidget *choose_widget(void) {
1439 GtkWidget *scrolled;
1440 GtkWidget *vbox, *hbox, *clearsearch;
1443 * +--vbox-------------------------------------------------------+
1444 * | +-hbox----------------------------------------------------+ |
1445 * | | searchentry | clearsearch | |
1446 * | +---------------------------------------------------------+ |
1447 * | +-scrolled------------------------------------------------+ |
1448 * | | +-chooselayout------------------------------------++--+ | |
1449 * | | | Tree structure is manually layed out in here ||^^| | |
1454 * | | +-------------------------------------------------++--+ | |
1455 * | | +-------------------------------------------------+ | |
1457 * | | +-------------------------------------------------+ | |
1458 * | +---------------------------------------------------------+ |
1459 * +-------------------------------------------------------------+
1462 /* Text entry box for search terms */
1464 searchentry = gtk_entry_new();
1465 gtk_widget_set_style(searchentry, tool_style);
1466 g_signal_connect(searchentry, "changed", G_CALLBACK(searchentry_changed), 0);
1467 gtk_tooltips_set_tip(tips, searchentry, "Enter search terms here; search is automatic", "");
1469 /* Cancel button to clear the search */
1471 clearsearch = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
1472 gtk_widget_set_style(clearsearch, tool_style);
1473 g_signal_connect(G_OBJECT(clearsearch), "clicked",
1474 G_CALLBACK(clearsearch_clicked), 0);
1475 gtk_tooltips_set_tip(tips, clearsearch, "Clear search terms", "");
1477 /* Up and down buttons to find previous/next results; initially they are not
1478 * usable as there are no search results. */
1479 prevsearch = iconbutton("up.png", "Previous search result");
1480 g_signal_connect(G_OBJECT(prevsearch), "clicked",
1481 G_CALLBACK(prev_clicked), 0);
1482 gtk_widget_set_style(prevsearch, tool_style);
1483 gtk_widget_set_sensitive(prevsearch, 0);
1484 nextsearch = iconbutton("down.png", "Next search result");
1485 g_signal_connect(G_OBJECT(nextsearch), "clicked",
1486 G_CALLBACK(next_clicked), 0);
1487 gtk_widget_set_style(nextsearch, tool_style);
1488 gtk_widget_set_sensitive(nextsearch, 0);
1490 /* hbox packs the search tools button together on a line */
1492 hbox = gtk_hbox_new(FALSE/*homogeneous*/, 1/*spacing*/);
1493 gtk_box_pack_start(GTK_BOX(hbox), searchentry,
1494 TRUE/*expand*/, TRUE/*fill*/, 0/*padding*/);
1495 gtk_box_pack_start(GTK_BOX(hbox), prevsearch,
1496 FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
1497 gtk_box_pack_start(GTK_BOX(hbox), nextsearch,
1498 FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
1499 gtk_box_pack_start(GTK_BOX(hbox), clearsearch,
1500 FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
1502 /* chooselayout contains the currently visible subset of the track
1505 chooselayout = gtk_layout_new(0, 0);
1506 gtk_widget_set_style(chooselayout, layout_style);
1508 register_reset(choose_reset);
1509 /* Create the popup menus */
1511 track_menu = gtk_menu_new();
1512 g_signal_connect(track_menu, "destroy", G_CALLBACK(gtk_widget_destroyed),
1514 for(n = 0; track_menuitems[n].name; ++n) {
1516 track_menuitems[n].w =
1517 gtk_menu_item_new_with_label(track_menuitems[n].name);
1518 gtk_menu_attach(GTK_MENU(track_menu), track_menuitems[n].w,
1522 dir_menu = gtk_menu_new();
1523 g_signal_connect(dir_menu, "destroy", G_CALLBACK(gtk_widget_destroyed),
1525 for(n = 0; dir_menuitems[n].name; ++n) {
1527 dir_menuitems[n].w =
1528 gtk_menu_item_new_with_label(dir_menuitems[n].name);
1529 gtk_menu_attach(GTK_MENU(dir_menu), dir_menuitems[n].w,
1532 /* The layout is scrollable */
1533 scrolled = scroll_widget(chooselayout);
1534 vadjust = gtk_layout_get_vadjustment(GTK_LAYOUT(chooselayout));
1536 /* The scrollable layout and the search hbox go together in a vbox */
1538 vbox = gtk_vbox_new(FALSE/*homogenous*/, 1/*spacing*/);
1539 gtk_box_pack_start(GTK_BOX(vbox), hbox,
1540 FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
1541 gtk_box_pack_end(GTK_BOX(vbox), scrolled,
1542 TRUE/*expand*/, TRUE/*fill*/, 0/*padding*/);
1544 g_object_set_data(G_OBJECT(vbox), "type", (void *)&tabtype_choose);
1548 /** @brief Called when something we care about here might have changed */
1549 void choose_update(void) {
1550 redisplay_tree("choose_update");
1558 indent-tabs-mode:nil