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 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 disorder_eclient_dirs(client
, got_dirs
, cn
->path
, 0, cn
);
512 disorder_eclient_files(client
, got_files
, cn
->path
, 0, cn
);
513 cn
->flags
|= CN_GETTING_FILES
|CN_GETTING_DIRS
;
517 /** @brief Expand a node */
518 static void expand_node(struct choosenode
*cn
, int contingent
) {
519 D(("expand_node %s %d %s", cn
->path
, contingent
, cnflags(cn
)));
520 assert(cn
->flags
& CN_EXPANDABLE
);
521 /* If node is already expanded do nothing. */
522 if(cn
->flags
& CN_EXPANDED
) return;
523 /* We mark the node as expanded and request that it fill itself. When it has
524 * completed it will called updated_node() and we can redraw at that
526 cn
->flags
|= CN_EXPANDED
;
528 cn
->flags
|= CN_CONTINGENT
;
530 cn
->flags
&= ~CN_CONTINGENT
;
531 /* If this node is not contingently expanded, mark all its parents back to
532 * the root as not contingent either, so they won't be contracted when the
533 * search results change */
535 struct choosenode
*cnp
;
537 for(cnp
= cn
->parent
; cnp
; cnp
= cnp
->parent
)
538 cnp
->flags
&= ~CN_CONTINGENT
;
540 /* TODO: visual feedback */
544 /** @brief Make sure all the search results below @p cn are expanded
545 * @param cn Node to start at
547 static void expand_from(struct choosenode
*cn
) {
550 if(nsearchvisible
== nsearchresults
)
553 /* Are any of the search tracks at/below this point? */
554 if(!(cn
== root
|| hash_find(searchhash
, cn
->path
)))
556 D(("expand_from %d/%d visible %s",
557 nsearchvisible
, nsearchresults
, cn
->path
));
558 if(cn
->flags
& CN_EXPANDABLE
) {
559 if(cn
->flags
& CN_EXPANDED
)
560 /* This node is marked as expanded already. children.nvec might be 0,
561 * indicating that expansion is still underway. We should get another
562 * callback when it is expanded. */
563 for(n
= 0; n
< cn
->children
.nvec
&& gets_in_flight
< 10; ++n
)
564 expand_from(cn
->children
.vec
[n
]);
566 /* This node is not expanded yet */
570 /* This is an actual search result */
572 progress_window_progress(spw
, nsearchvisible
, nsearchresults
);
573 if(nsearchvisible
== nsearchresults
) {
574 if(suppress_redisplay
) {
575 suppress_redisplay
= 0;
576 redisplay_tree("all search results visible");
578 /* We've got the lot. We make sure the first result is visible. */
579 cn
= first_search_result(root
);
580 gtk_adjustment_clamp_page(vadjust
, cn
->ymin
, cn
->ymax
);
585 /** @brief Contract all contingently expanded nodes below @p cn */
586 static void contract_contingent(struct choosenode
*cn
) {
589 if(cn
->flags
& CN_CONTINGENT
)
592 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
593 contract_contingent(cn
->children
.vec
[n
]);
596 /** @brief Contract a node */
597 static void contract_node(struct choosenode
*cn
) {
598 D(("contract_node %s", cn
->path
));
599 assert(cn
->flags
& CN_EXPANDABLE
);
600 /* If node is already contracted do nothing. */
601 if(!(cn
->flags
& CN_EXPANDED
)) return;
602 cn
->flags
&= ~(CN_EXPANDED
|CN_CONTINGENT
);
603 /* Clear selection below this node */
605 /* Zot children. We never used to do this but the result would be that over
606 * time you'd end up with the entire tree pulled into memory. If the server
607 * is over a slow network it will make interactivity slightly worse; if
608 * anyone complains we can make it an option. */
610 /* We can contract a node immediately. */
611 redisplay_tree("contract_node");
614 /** @brief qsort() callback for ordering choosenodes */
615 static int compare_choosenode(const void *av
, const void *bv
) {
616 const struct choosenode
*const *aa
= av
, *const *bb
= bv
;
617 const struct choosenode
*a
= *aa
, *b
= *bb
;
619 return compare_tracks(a
->sort
, b
->sort
,
620 a
->display
, b
->display
,
624 /** @brief Called when an expandable node is updated. */
625 static void updated_node(struct choosenode
*cn
, int redisplay
,
627 D(("updated_node %s", cn
->path
));
628 assert(cn
->flags
& CN_EXPANDABLE
);
629 /* It might be that the node has been de-expanded since we requested the
630 * update. In that case we ignore this notification. */
631 if(!(cn
->flags
& CN_EXPANDED
)) return;
633 qsort(cn
->children
.vec
, cn
->children
.nvec
, sizeof (struct choosenode
*),
638 snprintf(whywhy
, sizeof whywhy
, "updated_node %s", why
);
639 redisplay_tree(whywhy
);
643 /* Searching --------------------------------------------------------------- */
645 /** @brief Return true if @p track is a search result
647 * In particular the return value is one more than the index of the track
650 static int is_search_result(const char *track
) {
653 if(searchhash
&& (r
= hash_find(searchhash
, track
)))
654 return 1 + *(int *)r
;
659 /** @brief Return the first search result at or below @p cn */
660 static struct choosenode
*first_search_result(struct choosenode
*cn
) {
662 struct choosenode
*r
;
664 if(cn
->flags
& CN_EXPANDABLE
) {
665 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
666 if((r
= first_search_result(cn
->children
.vec
[n
])))
668 } else if(is_search_result(cn
->path
))
673 /** @brief Called with a list of search results
675 * This is called from eclient with a (possibly empty) list of search results,
676 * and also from initiate_seatch with an always empty list to indicate that
677 * we're not searching for anything in particular. */
678 static void search_completed(void attribute((unused
)) *v
,
680 int nvec
, char **vec
) {
685 popup_protocol_error(0, error
);
689 search_in_flight
= 0;
690 /* Contract any choosenodes that were only expanded to show search
692 suppress_redisplay
= 1;
693 contract_contingent(root
);
694 suppress_redisplay
= 0;
695 if(search_obsolete
) {
696 /* This search has been obsoleted by user input since it started.
697 * Therefore we throw away the result and search again. */
701 /* Stash the search results */
703 nsearchresults
= nvec
;
705 /* Create a new search hash for fast identification of results */
706 searchhash
= hash_new(sizeof(int));
707 for(n
= 0; n
< nvec
; ++n
) {
708 int *const ip
= xmalloc(sizeof (int *));
709 static const int minus_1
= -1;
711 /* The filename itself lives in the hash */
712 hash_add(searchhash
, vec
[n
], ip
, HASH_INSERT_OR_REPLACE
);
713 /* So do its ancestor directories */
714 for(s
= vec
[n
] + 1; *s
; ++s
) {
717 hash_add(searchhash
, vec
[n
], &minus_1
, HASH_INSERT_OR_REPLACE
);
722 /* We don't yet know that the results are visible */
725 progress_window_progress(spw
, 0, 0);
728 if(nsearchresults
> 50)
729 spw
= progress_window_new("Fetching search results");
730 /* Initiate expansion */
732 /* The search results buttons are usable */
733 gtk_widget_set_sensitive(nextsearch
, 1);
734 gtk_widget_set_sensitive(prevsearch
, 1);
735 suppress_redisplay
= 1; /* avoid lots of redisplays */
737 searchhash
= 0; /* for the gc */
738 redisplay_tree("no search results"); /* remove search markers */
739 /* The search results buttons are not usable */
740 gtk_widget_set_sensitive(nextsearch
, 0);
741 gtk_widget_set_sensitive(prevsearch
, 0);
746 /** @brief Initiate a search
748 * If a search is underway we set @ref search_obsolete and restart the search
749 * in search_completed() above.
751 static void initiate_search(void) {
754 /* Find out what the user is after */
755 terms
= xstrdup(gtk_entry_get_text(GTK_ENTRY(searchentry
)));
756 /* Strip leading and trailing space */
757 while(*terms
== ' ') ++terms
;
758 e
= terms
+ strlen(terms
);
759 while(e
> terms
&& e
[-1] == ' ') --e
;
761 /* If a search is already underway then mark it as obsolete. We'll revisit
762 * when it returns. */
763 if(search_in_flight
) {
768 /* There's still something left. Initiate the search. */
769 if(disorder_eclient_search(client
, search_completed
, terms
, 0)) {
770 /* The search terms are bad! We treat this as if there were no search
771 * terms at all. Some kind of feedback would be handy. */
772 fprintf(stderr
, "bad terms [%s]\n", terms
); /* TODO */
773 search_completed(0, 0, 0, 0);
775 search_in_flight
= 1;
778 /* No search terms - we want to see all tracks */
779 search_completed(0, 0, 0, 0);
783 /** @brief Called when the cancel search button is clicked */
784 static void clearsearch_clicked(GtkButton
attribute((unused
)) *button
,
785 gpointer
attribute((unused
)) userdata
) {
786 gtk_entry_set_text(GTK_ENTRY(searchentry
), "");
789 /** @brief Called when the 'next search result' button is clicked */
790 static void next_clicked(GtkButton
attribute((unused
)) *button
,
791 gpointer
attribute((unused
)) userdata
) {
792 /* We want to find the highest (lowest ymax) track that is below the current
795 const gdouble bottom
= gtk_adjustment_get_value(vadjust
) + vadjust
->page_size
;
796 const struct choosenode
*candidate
= 0;
798 for(n
= 0; n
< nsearchresults
; ++n
) {
799 const struct choosenode
*const cn
= searchnodes
[n
];
804 || cn
->ymax
< candidate
->ymax
))
808 gtk_adjustment_clamp_page(vadjust
, candidate
->ymin
, candidate
->ymax
);
811 /** @brief Called when the 'previous search result' button is clicked */
812 static void prev_clicked(GtkButton
attribute((unused
)) *button
,
813 gpointer
attribute((unused
)) userdata
) {
814 /* We want to find the lowest (greated ymax) track that is above the current
817 const gdouble top
= gtk_adjustment_get_value(vadjust
);
818 const struct choosenode
*candidate
= 0;
820 for(n
= 0; n
< nsearchresults
; ++n
) {
821 const struct choosenode
*const cn
= searchnodes
[n
];
826 || cn
->ymax
> candidate
->ymax
))
830 gtk_adjustment_clamp_page(vadjust
, candidate
->ymin
, candidate
->ymax
);
833 /* Display functions ------------------------------------------------------- */
835 /** @brief Delete all the widgets in the tree */
836 static void delete_widgets(struct choosenode
*cn
) {
839 delete_cn_widgets(cn
);
840 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
841 delete_widgets(cn
->children
.vec
[n
]);
842 cn
->flags
&= ~(CN_DISPLAYED
|CN_SELECTED
);
846 /** @brief Update the display */
847 static void redisplay_tree(const char *why
) {
848 struct displaydata d
;
849 guint oldwidth
, oldheight
;
851 D(("redisplay_tree %s", why
));
852 if(suppress_redisplay
) {
853 /*fprintf(stderr, "redisplay_tree %s suppressed\n", why);*/
857 /*fprintf(stderr, "redisplay_tree %s suppressed (gets_in_flight)\n", why);*/
862 /*fprintf(stderr, "redisplay_tree %s *** NOT SUPPRESSED ***\n", why);*/
863 /* We'll count these up empirically each time */
866 /* Correct the layout and find out how much space it uses */
867 MTAG_PUSH("display_tree");
868 searchnodes
= nsearchresults ?
xcalloc(nsearchresults
,
869 sizeof (struct choosenode
*)) : 0;
870 d
= display_tree(root
, 0, 0);
874 /* We must set the total size or scrolling will not work (it wouldn't be hard
875 * for GtkLayout to figure it out for itself but presumably you're supposed
876 * to be able to have widgets off the edge of the layuot.)
878 * There is a problem: if we shrink the size then the part of the screen that
879 * is outside the new size but inside the old one is not updated. I think
880 * this is arguably bug in GTK+ but it's easy to force a redraw if this
881 * region is nonempty.
883 gtk_layout_get_size(GTK_LAYOUT(chooselayout
), &oldwidth
, &oldheight
);
884 if(oldwidth
> d
.width
|| oldheight
> d
.height
)
885 gtk_widget_queue_draw(chooselayout
);
886 gtk_layout_set_size(GTK_LAYOUT(chooselayout
), d
.width
, d
.height
);
888 /* Notify the main menu of any recent changes */
896 /** @brief Recursive step for redisplay_tree()
897 * @param cn Node to display
898 * @param x X coordinate for @p cn
899 * @param y Y coordinate for @p cn
901 * Makes sure all displayed widgets from CN down exist and are in their proper
902 * place and return the maximum space used.
904 static struct displaydata
display_tree(struct choosenode
*cn
, int x
, int y
) {
907 struct displaydata d
, cd
;
909 const int search_result
= is_search_result(cn
->path
);
911 D(("display_tree %s %d,%d", cn
->path
, x
, y
));
913 /* An expandable item contains an arrow and a text label. When you press the
914 * button it flips its expand state.
916 * A non-expandable item has just a text label and no arrow.
920 MTAG_PUSH("make_widgets_1");
921 /* Widgets need to be created */
923 cn
->hbox
= gtk_hbox_new(FALSE
, 1);
924 if(cn
->flags
& CN_EXPANDABLE
) {
926 cn
->arrow
= gtk_arrow_new(cn
->flags
& CN_EXPANDED ? GTK_ARROW_DOWN
932 if((pb
= find_image("notes.png"))) {
934 cn
->marker
= gtk_image_new_from_pixbuf(pb
);
938 MTAG_PUSH("make_widgets_2");
940 cn
->label
= gtk_label_new(cn
->display
);
942 gtk_container_add(GTK_CONTAINER(cn
->hbox
), cn
->arrow
);
943 gtk_container_add(GTK_CONTAINER(cn
->hbox
), cn
->label
);
945 gtk_container_add(GTK_CONTAINER(cn
->hbox
), cn
->marker
);
947 MTAG_PUSH("make_widgets_3");
949 cn
->container
= gtk_event_box_new();
950 gtk_container_add(GTK_CONTAINER(cn
->container
), cn
->hbox
);
951 g_signal_connect(cn
->container
, "button-release-event",
952 G_CALLBACK(clicked_choosenode
), cn
);
953 g_signal_connect(cn
->container
, "button-press-event",
954 G_CALLBACK(clicked_choosenode
), cn
);
955 g_object_ref(cn
->container
);
956 /* Show everything by default */
957 gtk_widget_show_all(cn
->container
);
961 assert(cn
->container
);
965 gtk_widget_set_style(cn
->container
, search_style
);
966 gtk_widget_set_style(cn
->label
, search_style
);
968 gtk_widget_set_style(cn
->container
, layout_style
);
969 gtk_widget_set_style(cn
->label
, layout_style
);
972 /* Make sure the icon is right */
974 if(cn
->flags
& CN_EXPANDABLE
)
975 gtk_arrow_set(GTK_ARROW(cn
->arrow
),
976 cn
->flags
& CN_EXPANDED ? GTK_ARROW_DOWN
: GTK_ARROW_RIGHT
,
979 /* Make sure the queued marker is right */
980 /* TODO: doesn't always work */
981 (queued(cn
->path
) ? gtk_widget_show
: gtk_widget_hide
)(cn
->marker
);
983 /* Put the widget in the right place */
985 if(cn
->flags
& CN_DISPLAYED
)
986 gtk_layout_move(GTK_LAYOUT(chooselayout
), cn
->container
, x
, y
);
988 gtk_layout_put(GTK_LAYOUT(chooselayout
), cn
->container
, x
, y
);
989 cn
->flags
|= CN_DISPLAYED
;
990 /* Now chooselayout has a ref to the container */
991 g_object_unref(cn
->container
);
994 /* Set the widget's selection status */
996 if(!(cn
->flags
& CN_EXPANDABLE
))
997 display_selection(cn
);
999 /* Find the size used so we can get vertical positioning right. */
1000 gtk_widget_size_request(cn
->container
, &req
);
1001 d
.width
= x
+ req
.width
;
1002 d
.height
= y
+ req
.height
;
1004 cn
->ymax
= d
.height
;
1005 if(cn
->flags
& CN_EXPANDED
) {
1006 /* We'll offset children by the size of the arrow whatever it might be. */
1008 gtk_widget_size_request(cn
->arrow
, &req
);
1010 for(n
= 0; n
< cn
->children
.nvec
; ++n
) {
1011 cd
= display_tree(cn
->children
.vec
[n
], x
+ aw
, d
.height
);
1012 if(cd
.width
> d
.width
)
1014 d
.height
= cd
.height
;
1018 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1019 undisplay_tree(cn
->children
.vec
[n
]);
1022 if(!(cn
->flags
& CN_EXPANDABLE
)) {
1024 if(cn
->flags
& CN_SELECTED
)
1027 /* update the search results array */
1029 searchnodes
[search_result
- 1] = cn
;
1030 /* report back how much space we used */
1031 D(("display_tree %s %d,%d total size %dx%d", cn
->path
, x
, y
,
1032 d
.width
, d
.height
));
1036 /** @brief Remove widgets for newly hidden nodes */
1037 static void undisplay_tree(struct choosenode
*cn
) {
1040 D(("undisplay_tree %s", cn
->path
));
1041 /* Remove this widget from the display */
1042 if(cn
->flags
& CN_DISPLAYED
) {
1043 gtk_container_remove(GTK_CONTAINER(chooselayout
), cn
->container
);
1044 cn
->flags
^= CN_DISPLAYED
;
1046 /* Remove children too */
1047 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1048 undisplay_tree(cn
->children
.vec
[n
]);
1051 /* Selection --------------------------------------------------------------- */
1053 /** @brief Mark the widget @p cn according to its selection state */
1054 static void display_selection(struct choosenode
*cn
) {
1055 /* Need foreground and background colors */
1056 gtk_widget_set_state(cn
->label
, (cn
->flags
& CN_SELECTED
1057 ? GTK_STATE_SELECTED
: GTK_STATE_NORMAL
));
1058 gtk_widget_set_state(cn
->container
, (cn
->flags
& CN_SELECTED
1059 ? GTK_STATE_SELECTED
: GTK_STATE_NORMAL
));
1062 /** @brief Set the selection state of a widget
1064 * Directories can never be selected, we just ignore attempts to do so. */
1065 static void set_selection(struct choosenode
*cn
, int selected
) {
1066 unsigned f
= selected ? CN_SELECTED
: 0;
1068 D(("set_selection %d %s", selected
, cn
->path
));
1069 if(!(cn
->flags
& CN_EXPANDABLE
) && (cn
->flags
& CN_SELECTED
) != f
) {
1070 cn
->flags
^= CN_SELECTED
;
1071 /* Maintain selection count */
1076 display_selection(cn
);
1077 /* Update main menu sensitivity */
1082 /** @brief Recursively clear all selection bits from CN down */
1083 static void clear_selection(struct choosenode
*cn
) {
1086 set_selection(cn
, 0);
1087 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1088 clear_selection(cn
->children
.vec
[n
]);
1091 /* User actions ------------------------------------------------------------ */
1093 /** @brief Called when disorder_eclient_play completes */
1094 void play_completed(void attribute((unused
)) *v
,
1095 const char *error
) {
1097 popup_protocol_error(0, error
);
1100 /** @brief Clicked on something
1102 * This implements playing, all the modifiers for selection, etc.
1104 static void clicked_choosenode(GtkWidget
attribute((unused
)) *widget
,
1105 GdkEventButton
*event
,
1106 gpointer user_data
) {
1107 struct choosenode
*cn
= user_data
;
1108 int ind
, last_ind
, n
;
1110 D(("clicked_choosenode %s", cn
->path
));
1111 if(event
->type
== GDK_BUTTON_RELEASE
1112 && event
->button
== 1) {
1114 if(cn
->flags
& CN_EXPANDABLE
) {
1115 /* This is a directory. Flip its expansion status. */
1116 if(cn
->flags
& CN_EXPANDED
)
1119 expand_node(cn
, 0/*!contingent*/);
1122 /* This is a file. Adjust selection status */
1123 /* TODO the basic logic here is essentially the same as that in queue.c.
1124 * Can we share code at all? */
1125 switch(event
->state
& (GDK_SHIFT_MASK
|GDK_CONTROL_MASK
)) {
1127 clear_selection(root
);
1128 set_selection(cn
, 1);
1131 case GDK_CONTROL_MASK
:
1132 set_selection(cn
, !(cn
->flags
& CN_SELECTED
));
1135 case GDK_SHIFT_MASK
:
1136 case GDK_SHIFT_MASK
|GDK_CONTROL_MASK
:
1137 if(last_click
&& last_click
->parent
== cn
->parent
) {
1138 /* Figure out where the current and last clicks are in the list */
1139 ind
= last_ind
= -1;
1140 for(n
= 0; n
< cn
->parent
->children
.nvec
; ++n
) {
1141 if(cn
->parent
->children
.vec
[n
] == cn
)
1143 if(cn
->parent
->children
.vec
[n
] == last_click
)
1146 /* Test shouldn't ever fail, but still */
1147 if(ind
>= 0 && last_ind
>= 0) {
1148 if(!(event
->state
& GDK_CONTROL_MASK
)) {
1149 for(n
= 0; n
< cn
->parent
->children
.nvec
; ++n
)
1150 set_selection(cn
->parent
->children
.vec
[n
], 0);
1153 for(n
= last_ind
; n
<= ind
; ++n
)
1154 set_selection(cn
->parent
->children
.vec
[n
], 1);
1156 for(n
= ind
; n
<= last_ind
; ++n
)
1157 set_selection(cn
->parent
->children
.vec
[n
], 1);
1158 if(event
->state
& GDK_CONTROL_MASK
)
1162 /* TODO trying to select a range that doesn't share a single parent
1163 * currently does not work, but it ought to. */
1167 } else if(event
->type
== GDK_BUTTON_RELEASE
1168 && event
->button
== 2) {
1169 /* Middle click - play the pointed track */
1170 if(!(cn
->flags
& CN_EXPANDABLE
)) {
1171 clear_selection(root
);
1172 set_selection(cn
, 1);
1173 gtk_label_set_text(GTK_LABEL(report_label
), "adding track to queue");
1174 disorder_eclient_play(client
, cn
->path
, play_completed
, 0);
1177 } else if(event
->type
== GDK_BUTTON_PRESS
1178 && event
->button
== 3) {
1179 struct choose_menuitem
*const menuitems
=
1180 (cn
->flags
& CN_EXPANDABLE ? dir_menuitems
: track_menuitems
);
1181 GtkWidget
*const menu
=
1182 (cn
->flags
& CN_EXPANDABLE ? dir_menu
: track_menu
);
1183 /* Right click. Pop up a menu. */
1184 /* If the current file isn't selected, switch the selection to just that.
1185 * (If we're looking at a directory then leave the selection alone.) */
1186 if(!(cn
->flags
& CN_EXPANDABLE
) && !(cn
->flags
& CN_SELECTED
)) {
1187 clear_selection(root
);
1188 set_selection(cn
, 1);
1191 /* Set the item sensitivity and callbacks */
1192 for(n
= 0; menuitems
[n
].name
; ++n
) {
1193 if(menuitems
[n
].handlerid
)
1194 g_signal_handler_disconnect(menuitems
[n
].w
,
1195 menuitems
[n
].handlerid
);
1196 gtk_widget_set_sensitive(menuitems
[n
].w
,
1197 menuitems
[n
].sensitive(cn
));
1198 menuitems
[n
].handlerid
= g_signal_connect
1199 (menuitems
[n
].w
, "activate", G_CALLBACK(menuitems
[n
].activate
), cn
);
1201 set_tool_colors(menu
);
1202 /* Pop up the menu */
1203 gtk_widget_show_all(menu
);
1204 gtk_menu_popup(GTK_MENU(menu
), 0, 0, 0, 0,
1205 event
->button
, event
->time
);
1209 /** @brief Called BY GTK+ to tell us the search entry box has changed */
1210 static void searchentry_changed(GtkEditable
attribute((unused
)) *editable
,
1211 gpointer
attribute((unused
)) user_data
) {
1215 /* Track menu items -------------------------------------------------------- */
1217 /** @brief Recursive step for gather_selected() */
1218 static void recurse_selected(struct choosenode
*cn
, struct vector
*v
) {
1221 if(cn
->flags
& CN_EXPANDABLE
) {
1222 if(cn
->flags
& CN_EXPANDED
)
1223 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1224 recurse_selected(cn
->children
.vec
[n
], v
);
1226 if((cn
->flags
& CN_SELECTED
) && cn
->path
)
1227 vector_append(v
, (char *)cn
->path
);
1231 /*** @brief Get a list of all the selected tracks */
1232 static const char **gather_selected(int *ntracks
) {
1236 recurse_selected(root
, &v
);
1237 vector_terminate(&v
);
1238 if(ntracks
) *ntracks
= v
.nvec
;
1239 return (const char **)v
.vec
;
1242 /** @brief Called when the track menu's play option is activated */
1243 static void activate_track_play(GtkMenuItem
attribute((unused
)) *menuitem
,
1244 gpointer
attribute((unused
)) user_data
) {
1245 const char **tracks
= gather_selected(0);
1248 gtk_label_set_text(GTK_LABEL(report_label
), "adding track to queue");
1249 for(n
= 0; tracks
[n
]; ++n
)
1250 disorder_eclient_play(client
, tracks
[n
], play_completed
, 0);
1253 /** @brief Called when the menu's properties option is activated */
1254 static void activate_track_properties(GtkMenuItem
attribute((unused
)) *menuitem
,
1255 gpointer
attribute((unused
)) user_data
) {
1257 const char **tracks
= gather_selected(&ntracks
);
1259 properties(ntracks
, tracks
);
1262 /** @brief Determine whether the menu's play option should be sensitive */
1263 static gboolean
sensitive_track_play(struct choosenode
attribute((unused
)) *cn
) {
1264 return (!!files_selected
1265 && (disorder_eclient_state(client
) & DISORDER_CONNECTED
));
1268 /** @brief Determine whether the menu's properties option should be sensitive */
1269 static gboolean
sensitive_track_properties(struct choosenode
attribute((unused
)) *cn
) {
1270 return !!files_selected
&& (disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1273 /* Directory menu items ---------------------------------------------------- */
1275 /** @brief Return the file children of @p cn
1277 * The list is terminated by a null pointer.
1279 static const char **dir_files(struct choosenode
*cn
, int *nfiles
) {
1280 const char **files
= xcalloc(cn
->children
.nvec
+ 1, sizeof (char *));
1283 for(n
= m
= 0; n
< cn
->children
.nvec
; ++n
)
1284 if(!(cn
->children
.vec
[n
]->flags
& CN_EXPANDABLE
))
1285 files
[m
++] = cn
->children
.vec
[n
]->path
;
1287 if(nfiles
) *nfiles
= m
;
1291 static void play_dir(struct choosenode
*cn
,
1292 void attribute((unused
)) *wfu
) {
1294 const char **tracks
= dir_files(cn
, &ntracks
);
1296 gtk_label_set_text(GTK_LABEL(report_label
), "adding track to queue");
1297 for(n
= 0; n
< ntracks
; ++n
)
1298 disorder_eclient_play(client
, tracks
[n
], play_completed
, 0);
1301 static void properties_dir(struct choosenode
*cn
,
1302 void attribute((unused
)) *wfu
) {
1304 const char **tracks
= dir_files(cn
, &ntracks
);
1306 properties(ntracks
, tracks
);
1309 static void select_dir(struct choosenode
*cn
,
1310 void attribute((unused
)) *wfu
) {
1313 clear_selection(root
);
1314 for(n
= 0; n
< cn
->children
.nvec
; ++n
)
1315 set_selection(cn
->children
.vec
[n
], 1);
1318 /** @brief Ensure @p cn is expanded and then call @p callback */
1319 static void call_with_dir(struct choosenode
*cn
,
1320 when_filled_callback
*whenfilled
,
1322 if(!(cn
->flags
& CN_EXPANDABLE
))
1323 return; /* something went wrong */
1324 if(cn
->flags
& CN_EXPANDED
)
1325 /* @p cn is already open */
1326 whenfilled(cn
, wfu
);
1328 /* @p cn is not open, arrange for the callback to go off when it is
1330 cn
->whenfilled
= whenfilled
;
1332 expand_node(cn
, 0/*not contingnet upon search*/);
1336 /** @brief Called when the directory menu's play option is activated */
1337 static void activate_dir_play(GtkMenuItem
attribute((unused
)) *menuitem
,
1338 gpointer user_data
) {
1339 struct choosenode
*const cn
= (struct choosenode
*)user_data
;
1341 call_with_dir(cn
, play_dir
, 0);
1344 /** @brief Called when the directory menu's properties option is activated */
1345 static void activate_dir_properties(GtkMenuItem
attribute((unused
)) *menuitem
,
1346 gpointer user_data
) {
1347 struct choosenode
*const cn
= (struct choosenode
*)user_data
;
1349 call_with_dir(cn
, properties_dir
, 0);
1352 /** @brief Called when the directory menu's select option is activated */
1353 static void activate_dir_select(GtkMenuItem
attribute((unused
)) *menuitem
,
1354 gpointer user_data
) {
1355 struct choosenode
*const cn
= (struct choosenode
*)user_data
;
1357 call_with_dir(cn
, select_dir
, 0);
1360 /** @brief Determine whether the directory menu's play option should be sensitive */
1361 static gboolean
sensitive_dir_play(struct choosenode
attribute((unused
)) *cn
) {
1362 return !!(disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1365 /** @brief Determine whether the directory menu's properties option should be sensitive */
1366 static gboolean
sensitive_dir_properties(struct choosenode
attribute((unused
)) *cn
) {
1367 return !!(disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1370 /** @brief Determine whether the directory menu's select option should be sensitive */
1371 static gboolean
sensitive_dir_select(struct choosenode
attribute((unused
)) *cn
) {
1377 /* Main menu plumbing ------------------------------------------------------ */
1379 /** @brief Determine whether the edit menu's properties option should be sensitive */
1380 static int choose_properties_sensitive(GtkWidget
attribute((unused
)) *w
) {
1381 return !!files_selected
&& (disorder_eclient_state(client
) & DISORDER_CONNECTED
);
1384 /** @brief Determine whether the edit menu's select all option should be sensitive
1386 * TODO not implemented, see also choose_selectall_activate()
1388 static int choose_selectall_sensitive(GtkWidget
attribute((unused
)) *w
) {
1392 /** @brief Determine whether the edit menu's select none option should be sensitive
1394 * TODO not implemented, see also choose_selectnone_activate()
1396 static int choose_selectnone_sensitive(GtkWidget
attribute((unused
)) *w
) {
1400 /** @brief Called when the edit menu's properties option is activated */
1401 static void choose_properties_activate(GtkWidget
attribute((unused
)) *w
) {
1402 activate_track_properties(0, 0);
1405 /** @brief Called when the edit menu's select all option is activated
1407 * TODO not implemented, see choose_selectall_sensitive() */
1408 static void choose_selectall_activate(GtkWidget
attribute((unused
)) *w
) {
1411 /** @brief Called when the edit menu's select none option is activated
1413 * TODO not implemented, see choose_selectnone_sensitive() */
1414 static void choose_selectnone_activate(GtkWidget
attribute((unused
)) *w
) {
1417 /** @brief Main menu callbacks for Choose screen */
1418 static const struct tabtype tabtype_choose
= {
1419 choose_properties_sensitive
,
1420 choose_selectall_sensitive
,
1421 choose_selectnone_sensitive
,
1422 choose_properties_activate
,
1423 choose_selectall_activate
,
1424 choose_selectnone_activate
,
1427 /* Public entry points ----------------------------------------------------- */
1429 /** @brief Called when we have just logged in
1431 * Entirely resets the choose tab.
1433 static void choose_logged_in(const char attribute((unused
)) *event
,
1434 void attribute((unused
)) *eventdata
,
1435 void attribute((unused
)) *callbackdata
) {
1437 undisplay_tree(root
);
1438 root
= newnode(0/*parent*/, "<root>", "All files", "",
1439 CN_EXPANDABLE
, fill_root_node
);
1440 expand_node(root
, 0); /* will call redisplay_tree */
1443 /** @brief Create a track choice widget */
1444 GtkWidget
*choose_widget(void) {
1446 GtkWidget
*scrolled
;
1447 GtkWidget
*vbox
, *hbox
, *clearsearch
;
1450 * +--vbox-------------------------------------------------------+
1451 * | +-hbox----------------------------------------------------+ |
1452 * | | searchentry | clearsearch | |
1453 * | +---------------------------------------------------------+ |
1454 * | +-scrolled------------------------------------------------+ |
1455 * | | +-chooselayout------------------------------------++--+ | |
1456 * | | | Tree structure is manually layed out in here ||^^| | |
1461 * | | +-------------------------------------------------++--+ | |
1462 * | | +-------------------------------------------------+ | |
1464 * | | +-------------------------------------------------+ | |
1465 * | +---------------------------------------------------------+ |
1466 * +-------------------------------------------------------------+
1469 /* Text entry box for search terms */
1471 searchentry
= gtk_entry_new();
1472 gtk_widget_set_style(searchentry
, tool_style
);
1473 g_signal_connect(searchentry
, "changed", G_CALLBACK(searchentry_changed
), 0);
1474 gtk_tooltips_set_tip(tips
, searchentry
, "Enter search terms here; search is automatic", "");
1476 /* Cancel button to clear the search */
1478 clearsearch
= gtk_button_new_from_stock(GTK_STOCK_CANCEL
);
1479 gtk_widget_set_style(clearsearch
, tool_style
);
1480 g_signal_connect(G_OBJECT(clearsearch
), "clicked",
1481 G_CALLBACK(clearsearch_clicked
), 0);
1482 gtk_tooltips_set_tip(tips
, clearsearch
, "Clear search terms", "");
1484 /* Up and down buttons to find previous/next results; initially they are not
1485 * usable as there are no search results. */
1486 prevsearch
= iconbutton("up.png", "Previous search result");
1487 g_signal_connect(G_OBJECT(prevsearch
), "clicked",
1488 G_CALLBACK(prev_clicked
), 0);
1489 gtk_widget_set_style(prevsearch
, tool_style
);
1490 gtk_widget_set_sensitive(prevsearch
, 0);
1491 nextsearch
= iconbutton("down.png", "Next search result");
1492 g_signal_connect(G_OBJECT(nextsearch
), "clicked",
1493 G_CALLBACK(next_clicked
), 0);
1494 gtk_widget_set_style(nextsearch
, tool_style
);
1495 gtk_widget_set_sensitive(nextsearch
, 0);
1497 /* hbox packs the search tools button together on a line */
1499 hbox
= gtk_hbox_new(FALSE
/*homogeneous*/, 1/*spacing*/);
1500 gtk_box_pack_start(GTK_BOX(hbox
), searchentry
,
1501 TRUE
/*expand*/, TRUE
/*fill*/, 0/*padding*/);
1502 gtk_box_pack_start(GTK_BOX(hbox
), prevsearch
,
1503 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1504 gtk_box_pack_start(GTK_BOX(hbox
), nextsearch
,
1505 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1506 gtk_box_pack_start(GTK_BOX(hbox
), clearsearch
,
1507 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1509 /* chooselayout contains the currently visible subset of the track
1512 chooselayout
= gtk_layout_new(0, 0);
1513 gtk_widget_set_style(chooselayout
, layout_style
);
1514 choose_logged_in(0, 0, 0);
1515 event_register("logged-in", choose_logged_in
, 0);
1516 /* Create the popup menus */
1518 track_menu
= gtk_menu_new();
1519 g_signal_connect(track_menu
, "destroy", G_CALLBACK(gtk_widget_destroyed
),
1521 for(n
= 0; track_menuitems
[n
].name
; ++n
) {
1523 track_menuitems
[n
].w
=
1524 gtk_menu_item_new_with_label(track_menuitems
[n
].name
);
1525 gtk_menu_attach(GTK_MENU(track_menu
), track_menuitems
[n
].w
,
1529 dir_menu
= gtk_menu_new();
1530 g_signal_connect(dir_menu
, "destroy", G_CALLBACK(gtk_widget_destroyed
),
1532 for(n
= 0; dir_menuitems
[n
].name
; ++n
) {
1534 dir_menuitems
[n
].w
=
1535 gtk_menu_item_new_with_label(dir_menuitems
[n
].name
);
1536 gtk_menu_attach(GTK_MENU(dir_menu
), dir_menuitems
[n
].w
,
1539 /* The layout is scrollable */
1540 scrolled
= scroll_widget(chooselayout
);
1541 vadjust
= gtk_layout_get_vadjustment(GTK_LAYOUT(chooselayout
));
1543 /* The scrollable layout and the search hbox go together in a vbox */
1545 vbox
= gtk_vbox_new(FALSE
/*homogenous*/, 1/*spacing*/);
1546 gtk_box_pack_start(GTK_BOX(vbox
), hbox
,
1547 FALSE
/*expand*/, FALSE
/*fill*/, 0/*padding*/);
1548 gtk_box_pack_end(GTK_BOX(vbox
), scrolled
,
1549 TRUE
/*expand*/, TRUE
/*fill*/, 0/*padding*/);
1551 g_object_set_data(G_OBJECT(vbox
), "type", (void *)&tabtype_choose
);
1555 /** @brief Called when something we care about here might have changed */
1556 void choose_update(void) {
1557 redisplay_tree("choose_update");
1565 indent-tabs-mode:nil