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/properties.c
21 * @brief Track properties editor
23 #include "disobedience.h"
27 static void kickoff_namepart(struct prefdata *f);
28 static void completed_namepart(struct prefdata *f);
29 static const char *get_edited_namepart(struct prefdata *f);
30 static void set_edited_namepart(struct prefdata *f, const char *value);
31 static void set_namepart(struct prefdata *f, const char *value);
32 static void set_namepart_completed(void *v, const char *err);
34 static void kickoff_string(struct prefdata *f);
35 static void completed_string(struct prefdata *f);
36 static const char *get_edited_string(struct prefdata *f);
37 static void set_edited_string(struct prefdata *f, const char *value);
38 static void set_string(struct prefdata *f, const char *value);
40 static void kickoff_boolean(struct prefdata *f);
41 static void completed_boolean(struct prefdata *f);
42 static const char *get_edited_boolean(struct prefdata *f);
43 static void set_edited_boolean(struct prefdata *f, const char *value);
44 static void set_boolean(struct prefdata *f, const char *value);
46 static void prefdata_completed(void *v, const char *err, const char *value);
47 static void prefdata_onerror(struct callbackdata *cbd,
50 static struct callbackdata *make_callbackdata(struct prefdata *f);
51 static void prefdata_completed_common(struct prefdata *f,
54 static void properties_ok(GtkButton *button, gpointer userdata);
55 static void properties_apply(GtkButton *button, gpointer userdata);
56 static void properties_cancel(GtkButton *button, gpointer userdata);
58 static void properties_logged_in(const char *event,
62 /** @brief Data for a single preference */
66 const struct pref *p; /**< @brief kind of preference */
67 const char *value; /**< @brief value from server */
71 /* The type of a preference is the collection of callbacks needed to get,
72 * display and set it */
74 void (*kickoff)(struct prefdata *f);
75 /* Kick off the request to fetch the pref from the server. */
77 void (*completed)(struct prefdata *f);
78 /* Called when the value comes back in; creates the widget. */
80 const char *(*get_edited)(struct prefdata *f);
81 /* Get the edited value from the widget. */
83 /** @brief Update the edited value */
84 void (*set_edited)(struct prefdata *f, const char *value);
86 void (*set)(struct prefdata *f, const char *value);
87 /* Set the new value and (if necessary) arrange for our display to update. */
91 static const struct preftype preftype_namepart = {
100 static const struct preftype preftype_string = {
109 static const struct preftype preftype_boolean = {
117 /* @brief The known prefs for each track */
118 static const struct pref {
119 const char *label; /**< @brief user-level description */
120 const char *part; /**< @brief protocol-level tag */
121 const char *default_value; /**< @brief default value or NULL */
122 const struct preftype *type; /**< @brief underlying data type */
124 { "Artist", "artist", 0, &preftype_namepart },
125 { "Album", "album", 0, &preftype_namepart },
126 { "Title", "title", 0, &preftype_namepart },
127 { "Tags", "tags", "", &preftype_string },
128 { "Weight", "weight", "90000", &preftype_string },
129 { "Random", "pick_at_random", "1", &preftype_boolean },
132 #define NPREFS (int)(sizeof prefs / sizeof *prefs)
134 /* Buttons that appear at the bottom of the window */
135 static struct button buttons[] = {
139 "Apply all changes and close window",
145 "Apply all changes and keep window open",
151 "Discard all changes and close window",
156 #define NBUTTONS (int)(sizeof buttons / sizeof *buttons)
158 static int prefs_unfilled; /* Prefs remaining to get */
159 static int prefs_total; /* Total prefs */
160 static struct prefdata *prefdatas; /* Current prefdatas */
161 static GtkWidget *properties_window;
162 static GtkWidget *properties_table;
163 static struct progress_window *pw;
164 static event_handle properties_event;
166 static void propagate_clicked(GtkButton attribute((unused)) *button,
168 struct prefdata *f = (struct prefdata *)userdata, *g;
170 const char *value = f->p->type->get_edited(f);
172 for(p = 0; p < prefs_total; ++p) {
174 if(f->p == g->p && f != g)
175 g->p->type->set_edited(g, value);
179 /** @brief Keypress handler */
180 static gboolean properties_keypress(GtkWidget attribute((unused)) *widget,
182 gpointer attribute((unused)) user_data) {
185 switch(event->keyval) {
190 properties_cancel(0, 0);
197 void properties(int ntracks, const char **tracks) {
200 GtkWidget *buttonbox, *vbox, *label, *entry, *propagate;
202 /* If no tracks, do nothign */
205 /* If there is a properties window open then just bring it to the
206 * front. It might not have the right values in... */
207 if(properties_window) {
209 gtk_window_present(GTK_WINDOW(properties_window));
212 assert(properties_table == 0);
213 if(ntracks > INT_MAX / NPREFS) {
214 popup_msg(GTK_MESSAGE_ERROR, "Too many tracks selected");
217 properties_event = event_register("logged-in", properties_logged_in, 0);
218 /* Create a new properties window */
219 properties_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
220 gtk_widget_set_style(properties_window, tool_style);
221 g_signal_connect(properties_window, "destroy",
222 G_CALLBACK(gtk_widget_destroyed), &properties_window);
223 /* Keyboard shortcuts */
224 g_signal_connect(properties_window, "key-press-event",
225 G_CALLBACK(properties_keypress), 0);
226 /* Most of the action is the table of preferences */
227 properties_table = gtk_table_new((NPREFS + 1) * ntracks, 2 + ntracks > 1,
229 gtk_widget_set_style(properties_table, tool_style);
230 g_signal_connect(properties_table, "destroy",
231 G_CALLBACK(gtk_widget_destroyed), &properties_table);
232 gtk_window_set_title(GTK_WINDOW(properties_window), "Track Properties");
233 /* Create labels for each pref of each track and kick off requests to the
234 * server to fill in the values */
235 prefs_total = NPREFS * ntracks;
236 prefdatas = xcalloc(prefs_total, sizeof *prefdatas);
237 for(n = 0; n < ntracks; ++n) {
238 /* The track itself */
240 label = gtk_label_new("Track");
241 gtk_widget_set_style(label, tool_style);
242 gtk_misc_set_alignment(GTK_MISC(label), 1, 0);
243 gtk_table_attach(GTK_TABLE(properties_table),
246 (NPREFS + 1) * n, (NPREFS + 1) * n + 1,
250 entry = gtk_entry_new();
251 gtk_widget_set_style(entry, tool_style);
252 gtk_entry_set_text(GTK_ENTRY(entry), tracks[n]);
253 gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE);
254 gtk_table_attach(GTK_TABLE(properties_table),
257 (NPREFS + 1) * n, (NPREFS + 1) * n + 1,
258 GTK_EXPAND|GTK_FILL, 0,
260 /* Each preference */
261 for(m = 0; m < NPREFS; ++m) {
263 label = gtk_label_new(prefs[m].label);
264 gtk_widget_set_style(label, tool_style);
265 gtk_misc_set_alignment(GTK_MISC(label), 1, 0);
266 gtk_table_attach(GTK_TABLE(properties_table),
269 (NPREFS + 1) * n + 1 + m, (NPREFS + 1) * n + 2 + m,
270 GTK_FILL/*xoptions*/, 0/*yoptions*/,
272 /* Editing the preference is specific */
273 f = &prefdatas[NPREFS * n + m];
274 f->track = tracks[n];
275 f->row = (NPREFS + 1) * n + 1 + m;
277 prefs[m].type->kickoff(f);
279 /* Propagation button */
280 propagate = iconbutton("propagate.png", "Copy to other tracks");
281 g_signal_connect(G_OBJECT(propagate), "clicked",
282 G_CALLBACK(propagate_clicked), f);
283 gtk_table_attach(GTK_TABLE(properties_table),
285 2/*left*/, 3/*right*/,
286 (NPREFS + 1) * n + 1 + m, (NPREFS + 1) * n + 2 + m,
287 GTK_FILL/*xoptions*/, 0/*yoptions*/,
288 1/*xpadding*/, 1/*ypadding*/);
292 prefs_unfilled = prefs_total;
294 buttonbox = create_buttons(buttons, NBUTTONS);
295 /* Put it all together */
296 vbox = gtk_vbox_new(FALSE, 1);
297 gtk_box_pack_start(GTK_BOX(vbox),
298 scroll_widget(properties_table),
300 gtk_box_pack_start(GTK_BOX(vbox), buttonbox, FALSE, FALSE, 1);
301 gtk_container_add(GTK_CONTAINER(properties_window), frame_widget(vbox, NULL));
302 /* The table only really wants to be vertically scrollable */
303 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(GTK_WIDGET(properties_table)->parent->parent),
305 GTK_POLICY_AUTOMATIC);
306 /* Zot any pre-existing progress window just in case */
308 progress_window_progress(pw, 0, 0);
309 /* Pop up a progress bar while we're waiting */
310 pw = progress_window_new("Fetching Track Properties");
313 /* Everything is filled in now */
314 static void prefdata_alldone(void) {
316 progress_window_progress(pw, 0, 0);
319 /* Default size may be too small */
320 gtk_window_set_default_size(GTK_WINDOW(properties_window), 480, 512);
321 /* TODO: relate default size to required size more closely */
322 gtk_widget_show_all(properties_window);
325 /* Namepart preferences ---------------------------------------------------- */
327 static void kickoff_namepart(struct prefdata *f) {
328 /* We ask for the display name part. This is a bit bizarre if what we really
329 * wanted was the underlying preference, but in fact it should always match
330 * and will supply a sane default without having to know how to parse tracks
331 * names (which implies knowing collection roots). */
332 disorder_eclient_namepart(client, prefdata_completed, f->track, "display", f->p->part,
333 make_callbackdata(f));
336 static void completed_namepart(struct prefdata *f) {
341 f->widget = gtk_entry_new();
344 static const char *get_edited_namepart(struct prefdata *f) {
345 return gtk_entry_get_text(GTK_ENTRY(f->widget));
348 static void set_edited_namepart(struct prefdata *f, const char *value) {
349 gtk_entry_set_text(GTK_ENTRY(f->widget), value);
352 static void set_namepart(struct prefdata *f, const char *value) {
355 byte_xasprintf(&s, "trackname_display_%s", f->p->part);
356 /* We don't know what the default is so can never unset. This is a bug
357 * relative to the original design, which is supposed to only ever allow for
358 * non-trivial namepart preferences. I suppose the server could spot a
359 * default being set and translate it into an unset. */
360 disorder_eclient_set(client, set_namepart_completed, f->track, s, value,
364 /* Called when we've set a namepart */
365 static void set_namepart_completed(void *v, const char *err) {
367 popup_protocol_error(0, err);
369 struct prefdata *f = v;
371 namepart_update(f->track, "display", f->p->part);
375 /* String preferences ------------------------------------------------------ */
377 static void kickoff_string(struct prefdata *f) {
378 disorder_eclient_get(client, prefdata_completed, f->track, f->p->part,
379 make_callbackdata(f));
382 static void completed_string(struct prefdata *f) {
384 /* No setting, use the default value instead */
385 f->value = f->p->default_value;
386 f->widget = gtk_entry_new();
389 static const char *get_edited_string(struct prefdata *f) {
390 return gtk_entry_get_text(GTK_ENTRY(f->widget));
393 static void set_edited_string(struct prefdata *f, const char *value) {
394 gtk_entry_set_text(GTK_ENTRY(f->widget), value);
397 static void set_string_completed(void attribute((unused)) *v,
400 popup_protocol_error(0, err);
403 static void set_string(struct prefdata *f, const char *value) {
404 disorder_eclient_set(client, set_string_completed, f->track, f->p->part,
408 /* Boolean preferences ----------------------------------------------------- */
410 static void kickoff_boolean(struct prefdata *f) {
411 disorder_eclient_get(client, prefdata_completed, f->track, f->p->part,
412 make_callbackdata(f));
415 static void completed_boolean(struct prefdata *f) {
416 f->widget = gtk_check_button_new();
417 gtk_widget_set_style(f->widget, tool_style);
419 /* Not set, use the default */
420 f->value = f->p->default_value;
423 static const char *get_edited_boolean(struct prefdata *f) {
424 return (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(f->widget))
428 static void set_edited_boolean(struct prefdata *f, const char *value) {
429 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(f->widget),
433 #define set_boolean_completed set_string_completed
435 static void set_boolean(struct prefdata *f, const char *value) {
438 byte_xasprintf(&s, "trackname_display_%s", f->p->part);
439 disorder_eclient_set(client, set_boolean_completed,
440 f->track, f->p->part, value, 0/*v*/);
443 /* Querying preferences ---------------------------------------------------- */
445 /* Make a suitable callbackdata */
446 static struct callbackdata *make_callbackdata(struct prefdata *f) {
447 struct callbackdata *cbd = xmalloc(sizeof *cbd);
449 cbd->onerror = prefdata_onerror;
454 /* No pref was set */
455 static void prefdata_onerror(struct callbackdata *cbd,
456 int attribute((unused)) code,
457 const char attribute((unused)) *msg) {
458 prefdata_completed_common(cbd->u.f, 0);
461 /* Got the value of a pref */
462 static void prefdata_completed(void *v, const char *err, const char *value) {
465 struct callbackdata *cbd = v;
467 prefdata_completed_common(cbd->u.f, value);
471 static void prefdata_completed_common(struct prefdata *f,
474 f->p->type->completed(f);
475 f->p->type->set_edited(f, f->value);
476 assert(f->value != 0); /* Had better set a default */
477 gtk_table_attach(GTK_TABLE(properties_table), f->widget,
480 GTK_EXPAND|GTK_FILL/*xoptions*/, 0/*yoptions*/,
484 progress_window_progress(pw, prefs_total - prefs_unfilled, prefs_total);
489 /* Button callbacks -------------------------------------------------------- */
491 static void properties_ok(GtkButton *button,
493 properties_apply(button, userdata);
494 properties_cancel(button, userdata);
497 static void properties_apply(GtkButton attribute((unused)) *button,
498 gpointer attribute((unused)) userdata) {
503 /* For each possible property we see if we've changed it and if so tell the
505 for(n = 0; n < prefs_total; ++n) {
507 edited = f->p->type->get_edited(f);
508 if(strcmp(edited, f->value)) {
509 /* The value has changed */
510 f->p->type->set(f, edited);
511 f->value = xstrdup(edited);
516 static void properties_cancel(GtkButton attribute((unused)) *button,
517 gpointer attribute((unused)) userdata) {
518 gtk_widget_destroy(properties_window);
519 event_cancel(properties_event);
520 properties_event = 0;
523 /** @brief Called when we've just logged in
525 * Destroys the current properties window.
527 static void properties_logged_in(const char attribute((unused)) *event,
528 void attribute((unused)) *eventdata,
529 void attribute((unused)) *callbackdata) {
530 if(properties_window)
531 gtk_widget_destroy(properties_window);