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
, const char *error
, 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
, const char *error
, 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 D(("fill_root_node"));
363 /* More de-duping possible here */
364 if(cn
->flags
& CN_GETTING_ANY
)
366 gtk_label_set_text(GTK_LABEL(report_label
), "getting files");
367 disorder_eclient_dirs(client
, got_dirs
, "", 0, cn
);
368 disorder_eclient_files(client
, got_files
, "", 0, cn
);
369 cn
->flags
|= CN_GETTING_FILES
|CN_GETTING_DIRS
;
373 /** @brief Delete all the widgets owned by @p cn */
374 static void delete_cn_widgets(struct choosenode
*cn
) {
377 gtk_widget_destroy(cn
->arrow
);
382 gtk_widget_destroy(cn
->label
);
387 gtk_widget_destroy(cn
->marker
);
392 gtk_widget_destroy(cn
->hbox
);
397 gtk_widget_destroy(cn
->container
);
402 /** @brief Recursively clear all the children of @p cn
404 * All the widgets at or below @p cn are deleted. All choosenodes below
405 * it are emptied. i.e. we prune the tree at @p cn.
407 static void clear_children(struct choosenode
*cn
) {
410 D(("clear_children %s", cn
->path
));
411 /* Recursively clear subtrees */
412 for(n
= 0; n
< cn
->children
.nvec
; ++n
) {
413 clear_children(cn
->children
.vec
[n
]);
414 delete_cn_widgets(cn
->children
.vec
[n
]);
416 cn
->children
.nvec
= 0;
419 /** @brief Called with a list of files just below some node */
420 static void got_files(void *v
, const char *error
, int nvec
, char **vec
) {
421 struct choosenode
*cn
= v
;
425 popup_protocol_error(0, error
);
429 D(("got_files %d files for %s %s", nvec
, cn
->path
, cnflags(cn
)));
430 /* Complicated by the need to resolve aliases. */
431 cn
->flags
&= ~CN_GETTING_FILES
;
433 if((cn
->pending
= nvec
)) {
434 cn
->flags
|= CN_RESOLVING_FILES
;
435 for(n
= 0; n
< nvec
; ++n
) {
436 disorder_eclient_resolve(client
, got_resolved_file
, vec
[n
], cn
);
440 /* If there are no files and the directories are all read by now, we're
442 if(!(cn
->flags
& CN_GETTING_ANY
))
445 redisplay_tree("got_files");
448 /** @brief Called with an alias resolved filename */
449 static void got_resolved_file(void *v
, const char *error
, const char *track
) {
450 struct choosenode
*const cn
= v
, *file_cn
;
453 popup_protocol_error(0, error
);
455 D(("resolved %s %s %d left", cn
->path
, cnflags(cn
), cn
->pending
- 1));
457 file_cn
= newnode(cn
, track
,
458 trackname_transform("track", track
, "display"),
459 trackname_transform("track", track
, "sort"),
460 0/*flags*/, 0/*fill*/);
462 /* Only bother updating when we've got the lot */
463 if(--cn
->pending
== 0) {
464 cn
->flags
&= ~CN_RESOLVING_FILES
;
465 updated_node(cn
, gets_in_flight
== 0, "got_resolved_file");
466 if(!(cn
->flags
& CN_GETTING_ANY
))
472 /** @brief Called with a list of directories just below some node */
473 static void got_dirs(void *v
, const char *error
, int nvec
, char **vec
) {
474 struct choosenode
*cn
= v
;
478 popup_protocol_error(0, error
);
482 D(("got_dirs %d dirs for %s %s", nvec
, cn
->path
, cnflags(cn
)));
483 /* TODO this depends on local configuration for trackname_transform().
484 * This will work, since the defaults are now built-in, but it'll be
485 * (potentially) different to the server's configured settings.
487 * Really we want a variant of files/dirs that produces both the
488 * raw filename and the transformed name for a chosen context.
491 for(n
= 0; n
< nvec
; ++n
)
493 trackname_transform("dir", vec
[n
], "display"),
494 trackname_transform("dir", vec
[n
], "sort"),
495 CN_EXPANDABLE
, fill_directory_node
);
496 updated_node(cn
, gets_in_flight
== 0, "got_dirs");
497 cn
->flags
&= ~CN_GETTING_DIRS
;
498 if(!(cn
->flags
& CN_GETTING_ANY
))
502 /** @brief Fill a child node */
503 static void fill_directory_node(struct choosenode
*cn
) {
504 struct callbackdata
*cbd
;
506 D(("fill_directory_node %s", cn
->path
));
508 if(cn
->flags
& CN_GETTING_ANY
)
510 assert(report_label
!= 0);
511 gtk_label_set_text(GTK_LABEL(report_label
), "getting files");
513 cbd
= xmalloc(sizeof *cbd
);
514 cbd
->u
.choosenode
= cn
;
515 disorder_eclient_dirs(client
, got_dirs
, cn
->path
, 0, cbd
);
516 cbd
= xmalloc(sizeof *cbd
);
517 cbd
->u
.choosenode
= cn
;
518 disorder_eclient_files(client
, got_files
, cn
->path
, 0, cbd
);
519 cn
->flags
|= CN_GETTING_FILES
|CN_GETTING_DIRS
;
523 /** @brief Expand a node */
524 static void expand_node(struct choosenode
*cn
, int contingent
) {
525 D(("expand_node %s %d %s", cn
->path
, contingent
, cnflags(cn
)));
526 assert(cn
->flags
& CN_EXPANDABLE
);
527 /* If node is already expanded do nothing. */
528 if(cn
->flags
& CN_EXPANDED
) return;
529 /* We mark the node as expanded and request that it fill itself. When it has
530 * completed it will called updated_node() and we can redraw at that
532 cn
->flags
|= CN_EXPANDED
;
534 cn
->flags
|= CN_CONTINGENT
;
536 cn
->flags
&= ~CN_CONTINGENT
;
537 /* If this node is not contingently expanded, mark all its parents back to
538 * the root as not contingent either, so they won't be contracted when the
539 * search results change */
541 struct choosenode
*cnp
;
543 for(cnp
= cn
->parent
; cnp
; cnp
= cnp
->parent
)
544 cnp
->flags
&= ~CN_CONTINGENT
;
546 /* TODO: visual feedback */
550 /** @brief Make sure all the search results below @p cn are expanded
551 * @param cn Node to start at
553 static void expand_from(struct choosenode
*cn
) {
556 if(nsearchvisible
== nsearchresults
)
559 /* Are any of the search tracks at/below this point? */
560 if(!(cn
== root
|| hash_find(searchhash
, cn
->path
)))
562 D(("expand_from %d/%d visible %s",
563 nsearchvisible
, nsearchresults
, cn
->path
));
564 if(cn
->flags
& CN_EXPANDABLE
) {
565 if(cn
->flags
& CN_EXPANDED
)
566 /* This node is marked as expanded already. children.nvec might be 0,
567 * indicating that expansion is still underway. We should get another
568 * callback when it is expanded. */
569 for(n
= 0; n
< cn
->children
.nvec
&& gets_in_flight
< 10; ++n
)
570 expand_from(cn
->children
.vec
[n
]);
572 /* This node is not expanded yet */
576 /* This is an actual search result */
578 progress_window_progress(spw
, nsearchvisible
, nsearchresults
);
579 if(nsearchvisible
== nsearchresults
) {
580 if(suppress_redisplay
) {
581 suppress_redisplay
= 0;
582 redisplay_tree("all search results visible");
584 /* We've got the lot. We make sure the first result is visible. */
585 cn
= first_search_result(root
);
586 gtk_adjustment_clamp_page(vadjust
, cn
->ymin
, cn
->ymax
);
591 /** @brief Contract all contingently expanded nodes below @p cn */
592 static void contract_contingent(struct choosenode
*cn
) {
595 if(cn
->flags
& CN_CONTINGENT
)
598 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
599 contract_contingent(cn
->children
.vec
[n
]);
602 /** @brief Contract a node */
603 static void contract_node(struct choosenode
*cn
) {
604 D(("contract_node %s", cn
->path
));
605 assert(cn
->flags
& CN_EXPANDABLE
);
606 /* If node is already contracted do nothing. */
607 if(!(cn
->flags
& CN_EXPANDED
)) return;
608 cn
->flags
&= ~(CN_EXPANDED
|CN_CONTINGENT
);
609 /* Clear selection below this node */
611 /* Zot children. We never used to do this but the result would be that over
612 * time you'd end up with the entire tree pulled into memory. If the server
613 * is over a slow network it will make interactivity slightly worse; if
614 * anyone complains we can make it an option. */
616 /* We can contract a node immediately. */
617 redisplay_tree("contract_node");
620 /** @brief qsort() callback for ordering choosenodes */
621 static int compare_choosenode(const void *av
, const void *bv
) {
622 const struct choosenode
*const *aa
= av
, *const *bb
= bv
;
623 const struct choosenode
*a
= *aa
, *b
= *bb
;
625 return compare_tracks(a
->sort
, b
->sort
,
626 a
->display
, b
->display
,
630 /** @brief Called when an expandable node is updated. */
631 static void updated_node(struct choosenode
*cn
, int redisplay
,
633 D(("updated_node %s", cn
->path
));
634 assert(cn
->flags
& CN_EXPANDABLE
);
635 /* It might be that the node has been de-expanded since we requested the
636 * update. In that case we ignore this notification. */
637 if(!(cn
->flags
& CN_EXPANDED
)) return;
639 qsort(cn
->children
.vec
, cn
->children
.nvec
, sizeof (struct choosenode
*),
644 snprintf(whywhy
, sizeof whywhy
, "updated_node %s", why
);
645 redisplay_tree(whywhy
);
649 /* Searching --------------------------------------------------------------- */
651 /** @brief Return true if @p track is a search result
653 * In particular the return value is one more than the index of the track
656 static int is_search_result(const char *track
) {
659 if(searchhash
&& (r
= hash_find(searchhash
, track
)))
660 return 1 + *(int *)r
;
665 /** @brief Return the first search result at or below @p cn */
666 static struct choosenode
*first_search_result(struct choosenode
*cn
) {
668 struct choosenode
*r
;
670 if(cn
->flags
& CN_EXPANDABLE
) {
671 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
672 if((r
= first_search_result(cn
->children
.vec
[n
])))
674 } else if(is_search_result(cn
->path
))
679 /** @brief Called with a list of search results
681 * This is called from eclient with a (possibly empty) list of search results,
682 * and also from initiate_seatch with an always empty list to indicate that
683 * we're not searching for anything in particular. */
684 static void search_completed(void attribute((unused
)) *v
,
686 int nvec
, char **vec
) {
691 popup_protocol_error(0, error
);
695 search_in_flight
= 0;
696 /* Contract any choosenodes that were only expanded to show search
698 suppress_redisplay
= 1;
699 contract_contingent(root
);
700 suppress_redisplay
= 0;
701 if(search_obsolete
) {
702 /* This search has been obsoleted by user input since it started.
703 * Therefore we throw away the result and search again. */
707 /* Stash the search results */
709 nsearchresults
= nvec
;
711 /* Create a new search hash for fast identification of results */
712 searchhash
= hash_new(sizeof(int));
713 for(n
= 0; n
< nvec
; ++n
) {
714 int *const ip
= xmalloc(sizeof (int *));
715 static const int minus_1
= -1;
717 /* The filename itself lives in the hash */
718 hash_add(searchhash
, vec
[n
], ip
, HASH_INSERT_OR_REPLACE
);
719 /* So do its ancestor directories */
720 for(s
= vec
[n
] + 1; *s
; ++s
) {
723 hash_add(searchhash
, vec
[n
], &minus_1
, HASH_INSERT_OR_REPLACE
);
728 /* We don't yet know that the results are visible */
731 progress_window_progress(spw
, 0, 0);
734 if(nsearchresults
> 50)
735 spw
= progress_window_new("Fetching search results");
736 /* Initiate expansion */
738 /* The search results buttons are usable */
739 gtk_widget_set_sensitive(nextsearch
, 1);
740 gtk_widget_set_sensitive(prevsearch
, 1);
741 suppress_redisplay
= 1; /* avoid lots of redisplays */
743 searchhash
= 0; /* for the gc */
744 redisplay_tree("no search results"); /* remove search markers */
745 /* The search results buttons are not usable */
746 gtk_widget_set_sensitive(nextsearch
, 0);
747 gtk_widget_set_sensitive(prevsearch
, 0);
752 /** @brief Initiate a search
754 * If a search is underway we set @ref search_obsolete and restart the search
755 * in search_completed() above.
757 static void initiate_search(void) {
760 /* Find out what the user is after */
761 terms
= xstrdup(gtk_entry_get_text(GTK_ENTRY(searchentry
)));
762 /* Strip leading and trailing space */
763 while(*terms
== ' ') ++terms
;
764 e
= terms
+ strlen(terms
);
765 while(e
> terms
&& e
[-1] == ' ') --e
;
767 /* If a search is already underway then mark it as obsolete. We'll revisit
768 * when it returns. */
769 if(search_in_flight
) {
774 /* There's still something left. Initiate the search. */
775 if(disorder_eclient_search(client
, search_completed
, terms
, 0)) {
776 /* The search terms are bad! We treat this as if there were no search
777 * terms at all. Some kind of feedback would be handy. */
778 fprintf(stderr
, "bad terms [%s]\n", terms
); /* TODO */
779 search_completed(0, 0, 0, 0);
781 search_in_flight
= 1;
784 /* No search terms - we want to see all tracks */
785 search_completed(0, 0, 0, 0);
789 /** @brief Called when the cancel search button is clicked */
790 static void clearsearch_clicked(GtkButton
attribute((unused
)) *button
,
791 gpointer
attribute((unused
)) userdata
) {
792 gtk_entry_set_text(GTK_ENTRY(searchentry
), "");
795 /** @brief Called when the 'next search result' button is clicked */
796 static void next_clicked(GtkButton
attribute((unused
)) *button
,
797 gpointer
attribute((unused
)) userdata
) {
798 /* We want to find the highest (lowest ymax) track that is below the current
801 const gdouble bottom
= gtk_adjustment_get_value(vadjust
) + vadjust
->page_size
;
802 const struct choosenode
*candidate
= 0;
804 for(n
= 0; n
< nsearchresults
; ++n
) {
805 const struct choosenode
*const cn
= searchnodes
[n
];
810 || cn
->ymax
< candidate
->ymax
))
814 gtk_adjustment_clamp_page(vadjust
, candidate
->ymin
, candidate
->ymax
);
817 /** @brief Called when the 'previous search result' button is clicked */
818 static void prev_clicked(GtkButton
attribute((unused
)) *button
,
819 gpointer
attribute((unused
)) userdata
) {
820 /* We want to find the lowest (greated ymax) track that is above the current
823 const gdouble top
= gtk_adjustment_get_value(vadjust
);
824 const struct choosenode
*candidate
= 0;
826 for(n
= 0; n
< nsearchresults
; ++n
) {
827 const struct choosenode
*const cn
= searchnodes
[n
];
832 || cn
->ymax
> candidate
->ymax
))
836 gtk_adjustment_clamp_page(vadjust
, candidate
->ymin
, candidate
->ymax
);
839 /* Display functions ------------------------------------------------------- */
841 /** @brief Delete all the widgets in the tree */
842 static void delete_widgets(struct choosenode
*cn
) {
845 delete_cn_widgets(cn
);
846 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
847 delete_widgets(cn
->children
.vec
[n
]);
848 cn
->flags
&= ~(CN_DISPLAYED
|CN_SELECTED
);
852 /** @brief Update the display */
853 static void redisplay_tree(const char *why
) {
854 struct displaydata d
;
855 guint oldwidth
, oldheight
;
857 D(("redisplay_tree %s", why
));
858 if(suppress_redisplay
) {
859 /*fprintf(stderr, "redisplay_tree %s suppressed\n", why);*/
863 /*fprintf(stderr, "redisplay_tree %s suppressed (gets_in_flight)\n", why);*/
868 /*fprintf(stderr, "redisplay_tree %s *** NOT SUPPRESSED ***\n", why);*/
869 /* We'll count these up empirically each time */
872 /* Correct the layout and find out how much space it uses */
873 MTAG_PUSH("display_tree");
874 searchnodes
= nsearchresults ?
xcalloc(nsearchresults
,
875 sizeof (struct choosenode
*)) : 0;
876 d
= display_tree(root
, 0, 0);
880 /* We must set the total size or scrolling will not work (it wouldn't be hard
881 * for GtkLayout to figure it out for itself but presumably you're supposed
882 * to be able to have widgets off the edge of the layuot.)
884 * There is a problem: if we shrink the size then the part of the screen that
885 * is outside the new size but inside the old one is not updated. I think
886 * this is arguably bug in GTK+ but it's easy to force a redraw if this
887 * region is nonempty.
889 gtk_layout_get_size(GTK_LAYOUT(chooselayout
), &oldwidth
, &oldheight
);
890 if(oldwidth
> d
.width
|| oldheight
> d
.height
)
891 gtk_widget_queue_draw(chooselayout
);
892 gtk_layout_set_size(GTK_LAYOUT(chooselayout
), d
.width
, d
.height
);
894 /* Notify the main menu of any recent changes */
902 /** @brief Recursive step for redisplay_tree()
903 * @param cn Node to display
904 * @param x X coordinate for @p cn
905 * @param y Y coordinate for @p cn
907 * Makes sure all displayed widgets from CN down exist and are in their proper
908 * place and return the maximum space used.
910 static struct displaydata
display_tree(struct choosenode
*cn
, int x
, int y
) {
913 struct displaydata d
, cd
;
915 const int search_result
= is_search_result(cn
->path
);
917 D(("display_tree %s %d,%d", cn
->path
, x
, y
));
919 /* An expandable item contains an arrow and a text label. When you press the
920 * button it flips its expand state.
922 * A non-expandable item has just a text label and no arrow.
926 MTAG_PUSH("make_widgets_1");
927 /* Widgets need to be created */
929 cn
->hbox
= gtk_hbox_new(FALSE
, 1);
930 if(cn
->flags
& CN_EXPANDABLE
) {
932 cn
->arrow
= gtk_arrow_new(cn
->flags
& CN_EXPANDED ? GTK_ARROW_DOWN
938 if((pb
= find_image("notes.png"))) {
940 cn
->marker
= gtk_image_new_from_pixbuf(pb
);
944 MTAG_PUSH("make_widgets_2");
946 cn
->label
= gtk_label_new(cn
->display
);
948 gtk_container_add(GTK_CONTAINER(cn
->hbox
), cn
->arrow
);
949 gtk_container_add(GTK_CONTAINER(cn
->hbox
), cn
->label
);
951 gtk_container_add(GTK_CONTAINER(cn
->hbox
), cn
->marker
);
953 MTAG_PUSH("make_widgets_3");
955 cn
->container
= gtk_event_box_new();
956 gtk_container_add(GTK_CONTAINER(cn
->container
), cn
->hbox
);
957 g_signal_connect(cn
->container
, "button-release-event",
958 G_CALLBACK(clicked_choosenode
), cn
);
959 g_signal_connect(cn
->container
, "button-press-event",
960 G_CALLBACK(clicked_choosenode
), cn
);
961 g_object_ref(cn
->container
);
962 /* Show everything by default */
963 gtk_widget_show_all(cn
->container
);
967 assert(cn
->container
);
971 gtk_widget_set_style(cn
->container
, search_style
);
972 gtk_widget_set_style(cn
->label
, search_style
);
974 gtk_widget_set_style(cn
->container
, layout_style
);
975 gtk_widget_set_style(cn
->label
, layout_style
);
978 /* Make sure the icon is right */
980 if(cn
->flags
& CN_EXPANDABLE
)
981 gtk_arrow_set(GTK_ARROW(cn
->arrow
),
982 cn
->flags
& CN_EXPANDED ? GTK_ARROW_DOWN
: GTK_ARROW_RIGHT
,
985 /* Make sure the queued marker is right */
986 /* TODO: doesn't always work */
987 (queued(cn
->path
) ? gtk_widget_show
: gtk_widget_hide
)(cn
->marker
);
989 /* Put the widget in the right place */
991 if(cn
->flags
& CN_DISPLAYED
)
992 gtk_layout_move(GTK_LAYOUT(chooselayout
), cn
->container
, x
, y
);
994 gtk_layout_put(GTK_LAYOUT(chooselayout
), cn
->container
, x
, y
);
995 cn
->flags
|= CN_DISPLAYED
;
996 /* Now chooselayout has a ref to the container */
997 g_object_unref(cn
->container
);
1000 /* Set the widget's selection status */
1002 if(!(cn
->flags
& CN_EXPANDABLE
))
1003 display_selection(cn
);
1005 /* Find the size used so we can get vertical positioning right. */
1006 gtk_widget_size_request(cn
->container
, &req
);
1007 d
.width
= x
+ req
.width
;
1008 d
.height
= y
+ req
.height
;
1010 cn
->ymax
= d
.height
;
1011 if(cn
->flags
& CN_EXPANDED
) {
1012 /* We'll offset children by the size of the arrow whatever it might be. */
1014 gtk_widget_size_request(cn
->arrow
, &req
);
1016 for(n
= 0; n
< cn
->children
.nvec
; ++n
) {
1017 cd
= display_tree(cn
->children
.vec
[n
], x
+ aw
, d
.height
);
1018 if(cd
.width
> d
.width
)
1020 d
.height
= cd
.height
;
1024 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1025 undisplay_tree(cn
->children
.vec
[n
]);
1028 if(!(cn
->flags
& CN_EXPANDABLE
)) {
1030 if(cn
->flags
& CN_SELECTED
)
1033 /* update the search results array */
1035 searchnodes
[search_result
- 1] = cn
;
1036 /* report back how much space we used */
1037 D(("display_tree %s %d,%d total size %dx%d", cn
->path
, x
, y
,
1038 d
.width
, d
.height
));
1042 /** @brief Remove widgets for newly hidden nodes */
1043 static void undisplay_tree(struct choosenode
*cn
) {
1046 D(("undisplay_tree %s", cn
->path
));
1047 /* Remove this widget from the display */
1048 if(cn
->flags
& CN_DISPLAYED
) {
1049 gtk_container_remove(GTK_CONTAINER(chooselayout
), cn
->container
);
1050 cn
->flags
^= CN_DISPLAYED
;
1052 /* Remove children too */
1053 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1054 undisplay_tree(cn
->children
.vec
[n
]);
1057 /* Selection --------------------------------------------------------------- */
1059 /** @brief Mark the widget @p cn according to its selection state */
1060 static void display_selection(struct choosenode
*cn
) {
1061 /* Need foreground and background colors */
1062 gtk_widget_set_state(cn
->label
, (cn
->flags
& CN_SELECTED
1063 ? GTK_STATE_SELECTED
: GTK_STATE_NORMAL
));
1064 gtk_widget_set_state(cn
->container
, (cn
->flags
& CN_SELECTED
1065 ? GTK_STATE_SELECTED
: GTK_STATE_NORMAL
));
1068 /** @brief Set the selection state of a widget
1070 * Directories can never be selected, we just ignore attempts to do so. */
1071 static void set_selection(struct choosenode
*cn
, int selected
) {
1072 unsigned f
= selected ? CN_SELECTED
: 0;
1074 D(("set_selection %d %s", selected
, cn
->path
));
1075 if(!(cn
->flags
& CN_EXPANDABLE
) && (cn
->flags
& CN_SELECTED
) != f
) {
1076 cn
->flags
^= CN_SELECTED
;
1077 /* Maintain selection count */
1082 display_selection(cn
);
1083 /* Update main menu sensitivity */
1088 /** @brief Recursively clear all selection bits from CN down */
1089 static void clear_selection(struct choosenode
*cn
) {
1092 set_selection(cn
, 0);
1093 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1094 clear_selection(cn
->children
.vec
[n
]);
1097 /* User actions ------------------------------------------------------------ */
1099 /** @brief Called when disorder_eclient_play completes */
1100 void play_completed(void attribute((unused
)) *v
,
1101 const char *error
) {
1103 popup_protocol_error(0, error
);
1106 /** @brief Clicked on something
1108 * This implements playing, all the modifiers for selection, etc.
1110 static void clicked_choosenode(GtkWidget
attribute((unused
)) *widget
,
1111 GdkEventButton
*event
,
1112 gpointer user_data
) {
1113 struct choosenode
*cn
= user_data
;
1114 int ind
, last_ind
, n
;
1116 D(("clicked_choosenode %s", cn
->path
));
1117 if(event
->type
== GDK_BUTTON_RELEASE
1118 && event
->button
== 1) {
1120 if(cn
->flags
& CN_EXPANDABLE
) {
1121 /* This is a directory. Flip its expansion status. */
1122 if(cn
->flags
& CN_EXPANDED
)
1125 expand_node(cn
, 0/*!contingent*/);
1128 /* This is a file. Adjust selection status */
1129 /* TODO the basic logic here is essentially the same as that in queue.c.
1130 * Can we share code at all? */
1131 switch(event
->state
& (GDK_SHIFT_MASK
|GDK_CONTROL_MASK
)) {
1133 clear_selection(root
);
1134 set_selection(cn
, 1);
1137 case GDK_CONTROL_MASK
:
1138 set_selection(cn
, !(cn
->flags
& CN_SELECTED
));
1141 case GDK_SHIFT_MASK
:
1142 case GDK_SHIFT_MASK
|GDK_CONTROL_MASK
:
1143 if(last_click
&& last_click
->parent
== cn
->parent
) {
1144 /* Figure out where the current and last clicks are in the list */
1145 ind
= last_ind
= -1;
1146 for(n
= 0; n
< cn
->parent
->children
.nvec
; ++n
) {
1147 if(cn
->parent
->children
.vec
[n
] == cn
)
1149 if(cn
->parent
->children
.vec
[n
] == last_click
)
1152 /* Test shouldn't ever fail, but still */
1153 if(ind
>= 0 && last_ind
>= 0) {
1154 if(!(event
->state
& GDK_CONTROL_MASK
)) {
1155 for(n
= 0; n
< cn
->parent
->children
.nvec
; ++n
)
1156 set_selection(cn
->parent
->children
.vec
[n
], 0);
1159 for(n
= last_ind
; n
<= ind
; ++n
)
1160 set_selection(cn
->parent
->children
.vec
[n
], 1);
1162 for(n
= ind
; n
<= last_ind
; ++n
)
1163 set_selection(cn
->parent
->children
.vec
[n
], 1);
1164 if(event
->state
& GDK_CONTROL_MASK
)
1168 /* TODO trying to select a range that doesn't share a single parent
1169 * currently does not work, but it ought to. */
1173 } else if(event
->type
== GDK_BUTTON_RELEASE
1174 && event
->button
== 2) {
1175 /* Middle click - play the pointed track */
1176 if(!(cn
->flags
& CN_EXPANDABLE
)) {
1177 clear_selection(root
);
1178 set_selection(cn
, 1);
1179 gtk_label_set_text(GTK_LABEL(report_label
), "adding track to queue");
1180 disorder_eclient_play(client
, cn
->path
, play_completed
, 0);
1183 } else if(event
->type
== GDK_BUTTON_PRESS
1184 && event
->button
== 3) {
1185 struct choose_menuitem
*const menuitems
=
1186 (cn
->flags
& CN_EXPANDABLE ? dir_menuitems
: track_menuitems
);
1187 GtkWidget
*const menu
=
1188 (cn
->flags
& CN_EXPANDABLE ? dir_menu
: track_menu
);
1189 /* Right click. Pop up a menu. */
1190 /* If the current file isn't selected, switch the selection to just that.
1191 * (If we're looking at a directory then leave the selection alone.) */
1192 if(!(cn
->flags
& CN_EXPANDABLE
) && !(cn
->flags
& CN_SELECTED
)) {
1193 clear_selection(root
);
1194 set_selection(cn
, 1);
1197 /* Set the item sensitivity and callbacks */
1198 for(n
= 0; menuitems
[n
].name
; ++n
) {
1199 if(menuitems
[n
].handlerid
)
1200 g_signal_handler_disconnect(menuitems
[n
].w
,
1201 menuitems
[n
].handlerid
);
1202 gtk_widget_set_sensitive(menuitems
[n
].w
,
1203 menuitems
[n
].sensitive(cn
));
1204 menuitems
[n
].handlerid
= g_signal_connect
1205 (menuitems
[n
].w
, "activate", G_CALLBACK(menuitems
[n
].activate
), cn
);
1207 set_tool_colors(menu
);
1208 /* Pop up the menu */
1209 gtk_widget_show_all(menu
);
1210 gtk_menu_popup(GTK_MENU(menu
), 0, 0, 0, 0,
1211 event
->button
, event
->time
);
1215 /** @brief Called BY GTK+ to tell us the search entry box has changed */
1216 static void searchentry_changed(GtkEditable
attribute((unused
)) *editable
,
1217 gpointer
attribute((unused
)) user_data
) {
1221 /* Track menu items -------------------------------------------------------- */
1223 /** @brief Recursive step for gather_selected() */
1224 static void recurse_selected(struct choosenode
*cn
, struct vector
*v
) {
1227 if(cn
->flags
& CN_EXPANDABLE
) {
1228 if(cn
->flags
& CN_EXPANDED
)
1229 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1230 recurse_selected(cn
->children
.vec
[n
], v
);
1232 if((cn
->flags
& CN_SELECTED
) && cn
->path
)
1233 vector_append(v
, (char *)cn
->path
);
1237 /*** @brief Get a list of all the selected tracks */
1238 static const char **gather_selected(int *ntracks
) {
1242 recurse_selected(root
, &v
);
1243 vector_terminate(&v
);
1244 if(ntracks
) *ntracks
= v
.nvec
;
1245 return (const char **)v
.vec
;
1248 /** @brief Called when the track menu's play option is activated */
1249 static void activate_track_play(GtkMenuItem
attribute((unused
)) *menuitem
,
1250 gpointer
attribute((unused
)) user_data
) {
1251 const char **tracks
= gather_selected(0);
1254 gtk_label_set_text(GTK_LABEL(report_label
), "adding track to queue");
1255 for(n
= 0; tracks
[n
]; ++n
)
1256 disorder_eclient_play(client
, tracks
[n
], play_completed
, 0);
1259 /** @brief Called when the menu's properties option is activated */
1260 static void activate_track_properties(GtkMenuItem
attribute((unused
)) *menuitem
,
1261 gpointer
attribute((unused
)) user_data
) {
1263 const char **tracks
= gather_selected(&ntracks
);
1265 properties(ntracks
, tracks
);
1268 /** @brief Determine whether the menu's play option should be sensitive */
1269 static gboolean
sensitive_track_play(struct choosenode
attribute((unused
)) *cn
) {
1270 return (!!files_selected
1271 && (disorder_eclient_state(client
) & DISORDER_CONNECTED
));
1274 /** @brief Determine whether the menu's properties option should be sensitive */
1275 static gboolean
sensitive_track_properties(struct choosenode
attribute((unused
)) *cn
) {
1276 return !!files_selected
&& (disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1279 /* Directory menu items ---------------------------------------------------- */
1281 /** @brief Return the file children of @p cn
1283 * The list is terminated by a null pointer.
1285 static const char **dir_files(struct choosenode
*cn
, int *nfiles
) {
1286 const char **files
= xcalloc(cn
->children
.nvec
+ 1, sizeof (char *));
1289 for(n
= m
= 0; n
< cn
->children
.nvec
; ++n
)
1290 if(!(cn
->children
.vec
[n
]->flags
& CN_EXPANDABLE
))
1291 files
[m
++] = cn
->children
.vec
[n
]->path
;
1293 if(nfiles
) *nfiles
= m
;
1297 static void play_dir(struct choosenode
*cn
,
1298 void attribute((unused
)) *wfu
) {
1300 const char **tracks
= dir_files(cn
, &ntracks
);
1302 gtk_label_set_text(GTK_LABEL(report_label
), "adding track to queue");
1303 for(n
= 0; n
< ntracks
; ++n
)
1304 disorder_eclient_play(client
, tracks
[n
], play_completed
, 0);
1307 static void properties_dir(struct choosenode
*cn
,
1308 void attribute((unused
)) *wfu
) {
1310 const char **tracks
= dir_files(cn
, &ntracks
);
1312 properties(ntracks
, tracks
);
1315 static void select_dir(struct choosenode
*cn
,
1316 void attribute((unused
)) *wfu
) {
1319 clear_selection(root
);
1320 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1321 set_selection(cn
->children
.vec
[n
], 1);
1324 /** @brief Ensure @p cn is expanded and then call @p callback */
1325 static void call_with_dir(struct choosenode
*cn
,
1326 when_filled_callback
*whenfilled
,
1328 if(!(cn
->flags
& CN_EXPANDABLE
))
1329 return; /* something went wrong */
1330 if(cn
->flags
& CN_EXPANDED
)
1331 /* @p cn is already open */
1332 whenfilled(cn
, wfu
);
1334 /* @p cn is not open, arrange for the callback to go off when it is
1336 cn
->whenfilled
= whenfilled
;
1338 expand_node(cn
, 0/*not contingnet upon search*/);
1342 /** @brief Called when the directory menu's play option is activated */
1343 static void activate_dir_play(GtkMenuItem
attribute((unused
)) *menuitem
,
1344 gpointer user_data
) {
1345 struct choosenode
*const cn
= (struct choosenode
*)user_data
;
1347 call_with_dir(cn
, play_dir
, 0);
1350 /** @brief Called when the directory menu's properties option is activated */
1351 static void activate_dir_properties(GtkMenuItem
attribute((unused
)) *menuitem
,
1352 gpointer user_data
) {
1353 struct choosenode
*const cn
= (struct choosenode
*)user_data
;
1355 call_with_dir(cn
, properties_dir
, 0);
1358 /** @brief Called when the directory menu's select option is activated */
1359 static void activate_dir_select(GtkMenuItem
attribute((unused
)) *menuitem
,
1360 gpointer user_data
) {
1361 struct choosenode
*const cn
= (struct choosenode
*)user_data
;
1363 call_with_dir(cn
, select_dir
, 0);
1366 /** @brief Determine whether the directory menu's play option should be sensitive */
1367 static gboolean
sensitive_dir_play(struct choosenode
attribute((unused
)) *cn
) {
1368 return !!(disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1371 /** @brief Determine whether the directory menu's properties option should be sensitive */
1372 static gboolean
sensitive_dir_properties(struct choosenode
attribute((unused
)) *cn
) {
1373 return !!(disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1376 /** @brief Determine whether the directory menu's select option should be sensitive */
1377 static gboolean
sensitive_dir_select(struct choosenode
attribute((unused
)) *cn
) {
1383 /* Main menu plumbing ------------------------------------------------------ */
1385 /** @brief Determine whether the edit menu's properties option should be sensitive */
1386 static int choose_properties_sensitive(GtkWidget
attribute((unused
)) *w
) {
1387 return !!files_selected
&& (disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1390 /** @brief Determine whether the edit menu's select all option should be sensitive
1392 * TODO not implemented, see also choose_selectall_activate()
1394 static int choose_selectall_sensitive(GtkWidget
attribute((unused
)) *w
) {
1398 /** @brief Determine whether the edit menu's select none option should be sensitive
1400 * TODO not implemented, see also choose_selectnone_activate()
1402 static int choose_selectnone_sensitive(GtkWidget
attribute((unused
)) *w
) {
1406 /** @brief Called when the edit menu's properties option is activated */
1407 static void choose_properties_activate(GtkWidget
attribute((unused
)) *w
) {
1408 activate_track_properties(0, 0);
1411 /** @brief Called when the edit menu's select all option is activated
1413 * TODO not implemented, see choose_selectall_sensitive() */
1414 static void choose_selectall_activate(GtkWidget
attribute((unused
)) *w
) {
1417 /** @brief Called when the edit menu's select none option is activated
1419 * TODO not implemented, see choose_selectnone_sensitive() */
1420 static void choose_selectnone_activate(GtkWidget
attribute((unused
)) *w
) {
1423 /** @brief Main menu callbacks for Choose screen */
1424 static const struct tabtype tabtype_choose
= {
1425 choose_properties_sensitive
,
1426 choose_selectall_sensitive
,
1427 choose_selectnone_sensitive
,
1428 choose_properties_activate
,
1429 choose_selectall_activate
,
1430 choose_selectnone_activate
,
1433 /* Public entry points ----------------------------------------------------- */
1435 /** @brief Called to entirely reset the choose screen */
1436 static void choose_reset(void) {
1438 undisplay_tree(root
);
1439 root
= newnode(0/*parent*/, "<root>", "All files", "",
1440 CN_EXPANDABLE
, fill_root_node
);
1441 expand_node(root
, 0); /* will call redisplay_tree */
1444 /** @brief Create a track choice widget */
1445 GtkWidget
*choose_widget(void) {
1447 GtkWidget
*scrolled
;
1448 GtkWidget
*vbox
, *hbox
, *clearsearch
;
1451 * +--vbox-------------------------------------------------------+
1452 * | +-hbox----------------------------------------------------+ |
1453 * | | searchentry | clearsearch | |
1454 * | +---------------------------------------------------------+ |
1455 * | +-scrolled------------------------------------------------+ |
1456 * | | +-chooselayout------------------------------------++--+ | |
1457 * | | | Tree structure is manually layed out in here ||^^| | |
1462 * | | +-------------------------------------------------++--+ | |
1463 * | | +-------------------------------------------------+ | |
1465 * | | +-------------------------------------------------+ | |
1466 * | +---------------------------------------------------------+ |
1467 * +-------------------------------------------------------------+
1470 /* Text entry box for search terms */
1472 searchentry
= gtk_entry_new();
1473 gtk_widget_set_style(searchentry
, tool_style
);
1474 g_signal_connect(searchentry
, "changed", G_CALLBACK(searchentry_changed
), 0);
1475 gtk_tooltips_set_tip(tips
, searchentry
, "Enter search terms here; search is automatic", "");
1477 /* Cancel button to clear the search */
1479 clearsearch
= gtk_button_new_from_stock(GTK_STOCK_CANCEL
);
1480 gtk_widget_set_style(clearsearch
, tool_style
);
1481 g_signal_connect(G_OBJECT(clearsearch
), "clicked",
1482 G_CALLBACK(clearsearch_clicked
), 0);
1483 gtk_tooltips_set_tip(tips
, clearsearch
, "Clear search terms", "");
1485 /* Up and down buttons to find previous/next results; initially they are not
1486 * usable as there are no search results. */
1487 prevsearch
= iconbutton("up.png", "Previous search result");
1488 g_signal_connect(G_OBJECT(prevsearch
), "clicked",
1489 G_CALLBACK(prev_clicked
), 0);
1490 gtk_widget_set_style(prevsearch
, tool_style
);
1491 gtk_widget_set_sensitive(prevsearch
, 0);
1492 nextsearch
= iconbutton("down.png", "Next search result");
1493 g_signal_connect(G_OBJECT(nextsearch
), "clicked",
1494 G_CALLBACK(next_clicked
), 0);
1495 gtk_widget_set_style(nextsearch
, tool_style
);
1496 gtk_widget_set_sensitive(nextsearch
, 0);
1498 /* hbox packs the search tools button together on a line */
1500 hbox
= gtk_hbox_new(FALSE
/*homogeneous*/, 1/*spacing*/);
1501 gtk_box_pack_start(GTK_BOX(hbox
), searchentry
,
1502 TRUE
/*expand*/, TRUE
/*fill*/, 0/*padding*/);
1503 gtk_box_pack_start(GTK_BOX(hbox
), prevsearch
,
1504 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1505 gtk_box_pack_start(GTK_BOX(hbox
), nextsearch
,
1506 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1507 gtk_box_pack_start(GTK_BOX(hbox
), clearsearch
,
1508 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1510 /* chooselayout contains the currently visible subset of the track
1513 chooselayout
= gtk_layout_new(0, 0);
1514 gtk_widget_set_style(chooselayout
, layout_style
);
1516 register_reset(choose_reset
);
1517 /* Create the popup menus */
1519 track_menu
= gtk_menu_new();
1520 g_signal_connect(track_menu
, "destroy", G_CALLBACK(gtk_widget_destroyed
),
1522 for(n
= 0; track_menuitems
[n
].name
; ++n
) {
1524 track_menuitems
[n
].w
=
1525 gtk_menu_item_new_with_label(track_menuitems
[n
].name
);
1526 gtk_menu_attach(GTK_MENU(track_menu
), track_menuitems
[n
].w
,
1530 dir_menu
= gtk_menu_new();
1531 g_signal_connect(dir_menu
, "destroy", G_CALLBACK(gtk_widget_destroyed
),
1533 for(n
= 0; dir_menuitems
[n
].name
; ++n
) {
1535 dir_menuitems
[n
].w
=
1536 gtk_menu_item_new_with_label(dir_menuitems
[n
].name
);
1537 gtk_menu_attach(GTK_MENU(dir_menu
), dir_menuitems
[n
].w
,
1540 /* The layout is scrollable */
1541 scrolled
= scroll_widget(chooselayout
);
1542 vadjust
= gtk_layout_get_vadjustment(GTK_LAYOUT(chooselayout
));
1544 /* The scrollable layout and the search hbox go together in a vbox */
1546 vbox
= gtk_vbox_new(FALSE
/*homogenous*/, 1/*spacing*/);
1547 gtk_box_pack_start(GTK_BOX(vbox
), hbox
,
1548 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1549 gtk_box_pack_end(GTK_BOX(vbox
), scrolled
,
1550 TRUE
/*expand*/, TRUE
/*fill*/, 0/*padding*/);
1552 g_object_set_data(G_OBJECT(vbox
), "type", (void *)&tabtype_choose
);
1556 /** @brief Called when something we care about here might have changed */
1557 void choose_update(void) {
1558 redisplay_tree("choose_update");
1566 indent-tabs-mode:nil