2 * This file is part of DisOrder
3 * Copyright (C) 2008, 2009 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/playlists.c
21 * @brief Playlist for Disobedience
23 * The playlists management window contains:
24 * - a list of all playlists
27 * - a drag+drop capable view of the playlist
30 #include "disobedience.h"
34 static void playlists_updated(void *v
,
36 int nvec
, char **vec
);
38 /** @brief Playlist editing window */
39 static GtkWidget
*playlists_window
;
41 /** @brief Tree model for list of playlists */
42 static GtkListStore
*playlists_list
;
44 /** @brief Selection for list of playlists */
45 static GtkTreeSelection
*playlists_selection
;
47 /** @brief Currently selected playlist */
48 static const char *playlists_selected
;
50 /** @brief Delete button */
51 static GtkWidget
*playlists_delete_button
;
53 /** @brief Current list of playlists or NULL */
56 /** @brief Count of playlists */
59 /* Maintianng the list of playlists ----------------------------------------- */
61 /** @brief Schedule an update to the list of playlists */
62 static void playlists_update(const char attribute((unused
)) *event
,
63 void attribute((unused
)) *eventdata
,
64 void attribute((unused
)) *callbackdata
) {
65 disorder_eclient_playlists(client
, playlists_updated
, 0);
68 /** @brief qsort() callback for playlist name comparison */
69 static int playlistcmp(const void *ap
, const void *bp
) {
70 const char *a
= *(char **)ap
, *b
= *(char **)bp
;
71 const char *ad
= strchr(a
, '.'), *bd
= strchr(b
, '.');
74 /* Group owned playlists by owner */
76 const int adn
= ad
- a
, bdn
= bd
- b
;
77 if((c
= strncmp(a
, b
, adn
< bdn ? adn
: bdn
)))
79 /* Lexical order within playlists of a single owner */
80 return strcmp(ad
+ 1, bd
+ 1);
83 /* Owned playlists after shared ones */
90 /* Lexical order of shared playlists */
94 /** @brief Called with a new list of playlists */
95 static void playlists_updated(void attribute((unused
)) *v
,
97 int nvec
, char **vec
) {
101 /* Probably means server does not support playlists */
105 qsort(playlists
, nplaylists
, sizeof (char *), playlistcmp
);
107 /* Tell our consumers */
108 event_raise("playlists-updated", 0);
111 /* Playlists menu ----------------------------------------------------------- */
113 /** @brief Play received playlist contents
115 * Passed as a completion callback by menu_activate_playlist().
117 static void playlist_play_content(void attribute((unused
)) *v
,
119 int nvec
, char **vec
) {
121 popup_protocol_error(0, err
);
124 for(int n
= 0; n
< nvec
; ++n
)
125 disorder_eclient_play(client
, vec
[n
], NULL
, NULL
);
128 /** @brief Called to activate a playlist
130 * Called when the menu item for a playlist is clicked.
132 static void menu_activate_playlist(GtkMenuItem
*menuitem
,
133 gpointer
attribute((unused
)) user_data
) {
134 GtkLabel
*label
= GTK_LABEL(GTK_BIN(menuitem
)->child
);
135 const char *playlist
= gtk_label_get_text(label
);
137 disorder_eclient_playlist_get(client
, playlist_play_content
, playlist
, NULL
);
140 /** @brief Called when the playlists change */
141 static void menu_playlists_changed(const char attribute((unused
)) *event
,
142 void attribute((unused
)) *eventdata
,
143 void attribute((unused
)) *callbackdata
) {
145 return; /* OMG too soon */
146 GtkMenuShell
*menu
= GTK_MENU_SHELL(playlists_menu
);
147 /* TODO: we could be more sophisticated and only insert/remove widgets as
148 * needed. The current logic trashes the selection which is not acceptable
149 * and interacts badly with one playlist being currently locked and
151 while(menu
->children
)
152 gtk_container_remove(GTK_CONTAINER(menu
), GTK_WIDGET(menu
->children
->data
));
153 /* NB nplaylists can be -1 as well as 0 */
154 for(int n
= 0; n
< nplaylists
; ++n
) {
155 GtkWidget
*w
= gtk_menu_item_new_with_label(playlists
[n
]);
156 g_signal_connect(w
, "activate", G_CALLBACK(menu_activate_playlist
), 0);
158 gtk_menu_shell_append(menu
, w
);
160 gtk_widget_set_sensitive(playlists_widget
,
162 gtk_widget_set_sensitive(editplaylists_widget
,
166 /* Playlists window (list of playlists) ------------------------------------- */
168 /** @brief (Re-)populate the playlist tree model */
169 static void playlists_fill(void) {
173 playlists_list
= gtk_list_store_new(1, G_TYPE_STRING
);
174 gtk_list_store_clear(playlists_list
);
175 for(int n
= 0; n
< nplaylists
; ++n
)
176 gtk_list_store_insert_with_values(playlists_list
, iter
, n
/*position*/,
177 0, playlists
[n
], /* column 0 */
178 -1); /* no more cols */
179 // TODO reselect whatever was formerly selected if possible, if not then
180 // zap the contents view
183 /** @brief Called when the selection might have changed */
184 static void playlists_selection_changed(GtkTreeSelection
attribute((unused
)) *treeselection
,
185 gpointer
attribute((unused
)) user_data
) {
187 char *gselected
, *selected
;
189 /* Identify the current selection */
190 if(gtk_tree_selection_get_selected(playlists_selection
, 0, &iter
)) {
191 gtk_tree_model_get(GTK_TREE_MODEL(playlists_list
), &iter
,
193 selected
= xstrdup(gselected
);
197 /* Eliminate no-change cases */
198 if(!selected
&& !playlists_selected
)
200 if(selected
&& playlists_selected
&& !strcmp(selected
, playlists_selected
))
202 /* There's been a change */
203 playlists_selected
= selected
;
204 if(playlists_selected
) {
205 fprintf(stderr
, "playlists selection changed\n'"); /* TODO */
206 gtk_widget_set_sensitive(playlists_delete_button
, 1);
208 gtk_widget_set_sensitive(playlists_delete_button
, 0);
211 /** @brief Called when the 'add' button is pressed */
212 static void playlists_add(GtkButton
attribute((unused
)) *button
,
213 gpointer
attribute((unused
)) userdata
) {
214 /* Unselect whatever is selected */
215 gtk_tree_selection_unselect_all(playlists_selection
);
216 fprintf(stderr
, "playlists_add\n");/* TODO */
217 /* We need to pop up a window asking for:
218 * - the name for the playlist
219 * - whether it is to be a public, private or shared playlist
220 * Moreover we should keep track of the known playlists and grey out OK
221 * if the name is a clash (as well as if it's actually invalid).
225 /** @brief Called when the 'Delete' button is pressed */
226 static void playlists_delete(GtkButton
attribute((unused
)) *button
,
227 gpointer
attribute((unused
)) userdata
) {
231 if(!playlists_selected
)
232 return; /* shouldn't happen */
233 yesno
= gtk_message_dialog_new(GTK_WINDOW(playlists_window
),
235 GTK_MESSAGE_QUESTION
,
237 "Do you really want to delete playlist %s?"
238 " This action cannot be undone.",
240 res
= gtk_dialog_run(GTK_DIALOG(yesno
));
241 gtk_widget_destroy(yesno
);
242 if(res
== GTK_RESPONSE_YES
) {
243 disorder_eclient_playlist_delete(client
,
244 NULL
/*playlists_delete_completed*/,
250 /** @brief Table of buttons below the playlist list */
251 static struct button playlists_buttons
[] = {
255 "Create a new playlist",
265 #define NPLAYLISTS_BUTTONS (sizeof playlists_buttons / sizeof *playlists_buttons)
267 /** @brief Keypress handler */
268 static gboolean
playlists_keypress(GtkWidget
attribute((unused
)) *widget
,
270 gpointer
attribute((unused
)) user_data
) {
273 switch(event
->keyval
) {
275 gtk_widget_destroy(playlists_window
);
282 /* Playlists window --------------------------------------------------------- */
284 /** @brief Pop up the playlists window
286 * Called when the playlists menu item is selected
288 void edit_playlists(gpointer
attribute((unused
)) callback_data
,
289 guint
attribute((unused
)) callback_action
,
290 GtkWidget
attribute((unused
)) *menu_item
) {
291 GtkWidget
*tree
, *hbox
, *vbox
, *buttons
;
293 GtkTreeViewColumn
*col
;
295 /* If the window already exists, raise it */
296 if(playlists_window
) {
297 gtk_window_present(GTK_WINDOW(playlists_window
));
300 /* Create the window */
301 playlists_window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
302 gtk_widget_set_style(playlists_window
, tool_style
);
303 g_signal_connect(playlists_window
, "destroy",
304 G_CALLBACK(gtk_widget_destroyed
), &playlists_window
);
305 gtk_window_set_title(GTK_WINDOW(playlists_window
), "Playlists Management");
306 /* TODO loads of this is very similar to (copied from!) users.c - can we
308 /* Keyboard shortcuts */
309 g_signal_connect(playlists_window
, "key-press-event",
310 G_CALLBACK(playlists_keypress
), 0);
311 /* default size is too small */
312 gtk_window_set_default_size(GTK_WINDOW(playlists_window
), 240, 240);
313 /* Create the list of playlist and populate it */
315 /* Create the tree view */
316 tree
= gtk_tree_view_new_with_model(GTK_TREE_MODEL(playlists_list
));
317 /* ...and the renderers for it */
318 cr
= gtk_cell_renderer_text_new();
319 col
= gtk_tree_view_column_new_with_attributes("Playlist",
323 gtk_tree_view_append_column(GTK_TREE_VIEW(tree
), col
);
324 /* Get the selection for the view; set its mode; arrange for a callback when
326 playlists_selected
= NULL
;
327 playlists_selection
= gtk_tree_view_get_selection(GTK_TREE_VIEW(tree
));
328 gtk_tree_selection_set_mode(playlists_selection
, GTK_SELECTION_BROWSE
);
329 g_signal_connect(playlists_selection
, "changed",
330 G_CALLBACK(playlists_selection_changed
), NULL
);
332 /* Create the control buttons */
333 buttons
= create_buttons_box(playlists_buttons
,
335 gtk_hbox_new(FALSE
, 1));
336 playlists_delete_button
= playlists_buttons
[1].widget
;
338 /* Buttons live below the list */
339 vbox
= gtk_vbox_new(FALSE
, 0);
340 gtk_box_pack_start(GTK_BOX(vbox
), scroll_widget(tree
), TRUE
/*expand*/, TRUE
/*fill*/, 0);
341 gtk_box_pack_start(GTK_BOX(vbox
), buttons
, FALSE
/*expand*/, FALSE
, 0);
343 hbox
= gtk_hbox_new(FALSE
, 0);
344 gtk_box_pack_start(GTK_BOX(hbox
), vbox
, FALSE
/*expand*/, FALSE
, 0);
345 gtk_box_pack_start(GTK_BOX(hbox
), gtk_event_box_new(), FALSE
/*expand*/, FALSE
, 2);
346 // TODO something to edit the playlist in
347 //gtk_box_pack_start(GTK_BOX(hbox), vbox2, TRUE/*expand*/, TRUE/*fill*/, 0);
348 gtk_container_add(GTK_CONTAINER(playlists_window
), frame_widget(hbox
, NULL
));
349 gtk_widget_show_all(playlists_window
);
352 /** @brief Initialize playlist support */
353 void playlists_init(void) {
354 /* We re-get all playlists upon any change... */
355 event_register("playlist-created", playlists_update
, 0);
356 event_register("playlist-modified", playlists_update
, 0);
357 event_register("playlist-deleted", playlists_update
, 0);
358 /* ...and on reconnection */
359 event_register("log-connected", playlists_update
, 0);
360 /* ...and from time to time */
361 event_register("periodic-slow", playlists_update
, 0);
362 /* ...and at startup */
363 event_register("playlists-updated", menu_playlists_changed
, 0);
364 playlists_update(0, 0, 0);