2 * This file is part of DisOrder
3 * Copyright (C) 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/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"
32 static void playlists_updated(void *v
,
34 int nvec
, char **vec
);
36 /** @brief Playlist editing window */
37 static GtkWidget
*playlists_window
;
39 /** @brief Tree model for list of playlists */
40 static GtkListStore
*playlists_list
;
42 /** @brief Selection for list of playlists */
43 static GtkTreeSelection
*playlists_selection
;
45 /** @brief Currently selected playlist */
46 static const char *playlists_selected
;
48 /** @brief Delete button */
49 static GtkWidget
*playlists_delete_button
;
51 /** @brief Current list of playlists or NULL */
54 /** @brief Count of playlists */
57 /** @brief Schedule an update to the list of playlists */
58 static void playlists_update(const char attribute((unused
)) *event
,
59 void attribute((unused
)) *eventdata
,
60 void attribute((unused
)) *callbackdata
) {
61 disorder_eclient_playlists(client
, playlists_updated
, 0);
64 /** @brief qsort() callback for playlist name comparison */
65 static int playlistcmp(const void *ap
, const void *bp
) {
66 const char *a
= *(char **)ap
, *b
= *(char **)bp
;
67 const char *ad
= strchr(a
, '.'), *bd
= strchr(b
, '.');
70 /* Group owned playlists by owner */
72 const int adn
= ad
- a
, bdn
= bd
- b
;
73 if((c
= strncmp(a
, b
, adn
< bdn ? adn
: bdn
)))
75 /* Lexical order within playlists of a single owner */
76 return strcmp(ad
+ 1, bd
+ 1);
79 /* Owned playlists after shared ones */
86 /* Lexical order of shared playlists */
90 /** @brief Called with a new list of playlists */
91 static void playlists_updated(void attribute((unused
)) *v
,
93 int nvec
, char **vec
) {
97 /* Probably means server does not support playlists */
101 qsort(playlists
, nplaylists
, sizeof (char *), playlistcmp
);
103 /* Tell our consumers */
104 event_raise("playlists-updated", 0);
107 /** @brief Called to activate a playlist */
108 static void menu_activate_playlist(GtkMenuItem
*menuitem
,
109 gpointer
attribute((unused
)) user_data
) {
110 GtkLabel
*label
= GTK_LABEL(GTK_BIN(menuitem
)->child
);
111 const char *playlist
= gtk_label_get_text(label
);
113 fprintf(stderr
, "activate playlist %s\n", playlist
); /* TODO */
116 /** @brief Called when the playlists change */
117 static void menu_playlists_changed(const char attribute((unused
)) *event
,
118 void attribute((unused
)) *eventdata
,
119 void attribute((unused
)) *callbackdata
) {
121 return; /* OMG too soon */
122 GtkMenuShell
*menu
= GTK_MENU_SHELL(playlists_menu
);
123 /* TODO: we could be more sophisticated and only insert/remove widgets as
124 * needed. For now that's too much effort. */
125 while(menu
->children
)
126 gtk_container_remove(GTK_CONTAINER(menu
), GTK_WIDGET(menu
->children
->data
));
127 /* NB nplaylists can be -1 as well as 0 */
128 for(int n
= 0; n
< nplaylists
; ++n
) {
129 GtkWidget
*w
= gtk_menu_item_new_with_label(playlists
[n
]);
130 g_signal_connect(w
, "activate", G_CALLBACK(menu_activate_playlist
), 0);
132 gtk_menu_shell_append(menu
, w
);
134 gtk_widget_set_sensitive(playlists_widget
,
136 gtk_widget_set_sensitive(editplaylists_widget
,
140 /** @brief (Re-)populate the playlist tree model */
141 static void playlists_fill(void) {
145 playlists_list
= gtk_list_store_new(1, G_TYPE_STRING
);
146 gtk_list_store_clear(playlists_list
);
147 for(int n
= 0; n
< nplaylists
; ++n
)
148 gtk_list_store_insert_with_values(playlists_list
, iter
, n
/*position*/,
149 0, playlists
[n
], /* column 0 */
150 -1); /* no more cols */
151 // TODO reselect whatever was formerly selected if possible, if not then
152 // zap the contents view
155 /** @brief Called when the selection might have changed */
156 static void playlists_selection_changed(GtkTreeSelection
attribute((unused
)) *treeselection
,
157 gpointer
attribute((unused
)) user_data
) {
159 char *gselected
, *selected
;
161 /* Identify the current selection */
162 if(gtk_tree_selection_get_selected(playlists_selection
, 0, &iter
)) {
163 gtk_tree_model_get(GTK_TREE_MODEL(playlists_list
), &iter
,
165 selected
= xstrdup(gselected
);
169 /* Eliminate no-change cases */
170 if(!selected
&& !playlists_selected
)
172 if(selected
&& playlists_selected
&& !strcmp(selected
, playlists_selected
))
174 /* There's been a change */
175 playlists_selected
= selected
;
176 if(playlists_selected
) {
177 fprintf(stderr
, "playlists selection changed\n'"); /* TODO */
178 gtk_widget_set_sensitive(playlists_delete_button
, 1);
180 gtk_widget_set_sensitive(playlists_delete_button
, 0);
183 /** @brief Called when the 'add' button is pressed */
184 static void playlists_add(GtkButton
attribute((unused
)) *button
,
185 gpointer
attribute((unused
)) userdata
) {
186 /* Unselect whatever is selected */
187 gtk_tree_selection_unselect_all(playlists_selection
);
188 fprintf(stderr
, "playlists_add\n");/* TODO */
191 /** @brief Called when the 'Delete' button is pressed */
192 static void playlists_delete(GtkButton
attribute((unused
)) *button
,
193 gpointer
attribute((unused
)) userdata
) {
197 if(!playlists_selected
)
198 return; /* shouldn't happen */
199 yesno
= gtk_message_dialog_new(GTK_WINDOW(playlists_window
),
201 GTK_MESSAGE_QUESTION
,
203 "Do you really want to delete user %s?"
204 " This action cannot be undone.",
206 res
= gtk_dialog_run(GTK_DIALOG(yesno
));
207 gtk_widget_destroy(yesno
);
208 if(res
== GTK_RESPONSE_YES
) {
209 disorder_eclient_playlist_delete(client
,
210 NULL
/*playlists_delete_completed*/,
216 /** @brief Table of buttons below the playlist list */
217 static struct button playlists_buttons
[] = {
221 "Create a new playlist",
231 #define NPLAYLISTS_BUTTONS (sizeof playlists_buttons / sizeof *playlists_buttons)
233 /** @brief Keypress handler */
234 static gboolean
playlists_keypress(GtkWidget
attribute((unused
)) *widget
,
236 gpointer
attribute((unused
)) user_data
) {
239 switch(event
->keyval
) {
241 gtk_widget_destroy(playlists_window
);
248 void edit_playlists(gpointer
attribute((unused
)) callback_data
,
249 guint
attribute((unused
)) callback_action
,
250 GtkWidget
attribute((unused
)) *menu_item
) {
251 GtkWidget
*tree
, *hbox
, *vbox
, *buttons
;
253 GtkTreeViewColumn
*col
;
255 /* If the window already exists, raise it */
256 if(playlists_window
) {
257 gtk_window_present(GTK_WINDOW(playlists_window
));
260 /* Create the window */
261 playlists_window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
262 gtk_widget_set_style(playlists_window
, tool_style
);
263 g_signal_connect(playlists_window
, "destroy",
264 G_CALLBACK(gtk_widget_destroyed
), &playlists_window
);
265 gtk_window_set_title(GTK_WINDOW(playlists_window
), "Playlists Management");
266 /* TODO loads of this is very similar to (copied from!) users.c - can we
268 /* Keyboard shortcuts */
269 g_signal_connect(playlists_window
, "key-press-event",
270 G_CALLBACK(playlists_keypress
), 0);
271 /* default size is too small */
272 gtk_window_set_default_size(GTK_WINDOW(playlists_window
), 240, 240);
273 /* Create the list of playlist and populate it */
275 /* Create the tree view */
276 tree
= gtk_tree_view_new_with_model(GTK_TREE_MODEL(playlists_list
));
277 /* ...and the renderers for it */
278 cr
= gtk_cell_renderer_text_new();
279 col
= gtk_tree_view_column_new_with_attributes("Playlist",
283 gtk_tree_view_append_column(GTK_TREE_VIEW(tree
), col
);
284 /* Get the selection for the view; set its mode; arrange for a callback when
286 playlists_selected
= NULL
;
287 playlists_selection
= gtk_tree_view_get_selection(GTK_TREE_VIEW(tree
));
288 gtk_tree_selection_set_mode(playlists_selection
, GTK_SELECTION_BROWSE
);
289 g_signal_connect(playlists_selection
, "changed",
290 G_CALLBACK(playlists_selection_changed
), NULL
);
292 /* Create the control buttons */
293 buttons
= create_buttons_box(playlists_buttons
,
295 gtk_hbox_new(FALSE
, 1));
296 playlists_delete_button
= playlists_buttons
[1].widget
;
298 /* Buttons live below the list */
299 vbox
= gtk_vbox_new(FALSE
, 0);
300 gtk_box_pack_start(GTK_BOX(vbox
), scroll_widget(tree
), TRUE
/*expand*/, TRUE
/*fill*/, 0);
301 gtk_box_pack_start(GTK_BOX(vbox
), buttons
, FALSE
/*expand*/, FALSE
, 0);
303 hbox
= gtk_hbox_new(FALSE
, 0);
304 gtk_box_pack_start(GTK_BOX(hbox
), vbox
, FALSE
/*expand*/, FALSE
, 0);
305 gtk_box_pack_start(GTK_BOX(hbox
), gtk_event_box_new(), FALSE
/*expand*/, FALSE
, 2);
306 // TODO something to edit the playlist in
307 //gtk_box_pack_start(GTK_BOX(hbox), vbox2, TRUE/*expand*/, TRUE/*fill*/, 0);
308 gtk_container_add(GTK_CONTAINER(playlists_window
), frame_widget(hbox
, NULL
));
309 gtk_widget_show_all(playlists_window
);
312 /** @brief Initialize playlist support */
313 void playlists_init(void) {
314 /* We re-get all playlists upon any change... */
315 event_register("playlist-created", playlists_update
, 0);
316 event_register("playlist-modified", playlists_update
, 0);
317 event_register("playlist-deleted", playlists_update
, 0);
318 /* ...and on reconnection */
319 event_register("log-connected", playlists_update
, 0);
320 /* ...and from time to time */
321 event_register("periodic-slow", playlists_update
, 0);
322 /* ...and at startup */
323 event_register("playlists-updated", menu_playlists_changed
, 0);
324 playlists_update(0, 0, 0);