| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2006-2008 Richard Kettlewell |
| 4 | * |
| 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 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file disobedience/properties.c |
| 19 | * @brief Track properties editor |
| 20 | */ |
| 21 | #include "disobedience.h" |
| 22 | |
| 23 | struct prefdata; |
| 24 | |
| 25 | static void kickoff_namepart(struct prefdata *f); |
| 26 | static void completed_namepart(struct prefdata *f); |
| 27 | static const char *get_edited_namepart(struct prefdata *f); |
| 28 | static void set_edited_namepart(struct prefdata *f, const char *value); |
| 29 | static void set_namepart(struct prefdata *f, const char *value); |
| 30 | static void set_namepart_completed(void *v, const char *err); |
| 31 | |
| 32 | static void kickoff_string(struct prefdata *f); |
| 33 | static void completed_string(struct prefdata *f); |
| 34 | static const char *get_edited_string(struct prefdata *f); |
| 35 | static void set_edited_string(struct prefdata *f, const char *value); |
| 36 | static void set_string(struct prefdata *f, const char *value); |
| 37 | |
| 38 | static void kickoff_boolean(struct prefdata *f); |
| 39 | static void completed_boolean(struct prefdata *f); |
| 40 | static const char *get_edited_boolean(struct prefdata *f); |
| 41 | static void set_edited_boolean(struct prefdata *f, const char *value); |
| 42 | static void set_boolean(struct prefdata *f, const char *value); |
| 43 | |
| 44 | static void prefdata_completed(void *v, const char *err, const char *value); |
| 45 | |
| 46 | static void properties_ok(GtkButton *button, gpointer userdata); |
| 47 | static void properties_apply(GtkButton *button, gpointer userdata); |
| 48 | static void properties_cancel(GtkButton *button, gpointer userdata); |
| 49 | |
| 50 | static void properties_logged_in(const char *event, |
| 51 | void *eventdata, |
| 52 | void *callbackdata); |
| 53 | |
| 54 | /** @brief Data for a single preference */ |
| 55 | struct prefdata { |
| 56 | const char *track; |
| 57 | int row; |
| 58 | const struct pref *p; /**< @brief kind of preference */ |
| 59 | const char *value; /**< @brief value from server */ |
| 60 | GtkWidget *widget; |
| 61 | }; |
| 62 | |
| 63 | /* The type of a preference is the collection of callbacks needed to get, |
| 64 | * display and set it */ |
| 65 | struct preftype { |
| 66 | void (*kickoff)(struct prefdata *f); |
| 67 | /* Kick off the request to fetch the pref from the server. */ |
| 68 | |
| 69 | void (*completed)(struct prefdata *f); |
| 70 | /* Called when the value comes back in; creates the widget. */ |
| 71 | |
| 72 | const char *(*get_edited)(struct prefdata *f); |
| 73 | /* Get the edited value from the widget. */ |
| 74 | |
| 75 | /** @brief Update the edited value */ |
| 76 | void (*set_edited)(struct prefdata *f, const char *value); |
| 77 | |
| 78 | void (*set)(struct prefdata *f, const char *value); |
| 79 | /* Set the new value and (if necessary) arrange for our display to update. */ |
| 80 | }; |
| 81 | |
| 82 | /* A namepart pref */ |
| 83 | static const struct preftype preftype_namepart = { |
| 84 | kickoff_namepart, |
| 85 | completed_namepart, |
| 86 | get_edited_namepart, |
| 87 | set_edited_namepart, |
| 88 | set_namepart |
| 89 | }; |
| 90 | |
| 91 | /* A string pref */ |
| 92 | static const struct preftype preftype_string = { |
| 93 | kickoff_string, |
| 94 | completed_string, |
| 95 | get_edited_string, |
| 96 | set_edited_string, |
| 97 | set_string |
| 98 | }; |
| 99 | |
| 100 | /* A boolean pref */ |
| 101 | static const struct preftype preftype_boolean = { |
| 102 | kickoff_boolean, |
| 103 | completed_boolean, |
| 104 | get_edited_boolean, |
| 105 | set_edited_boolean, |
| 106 | set_boolean |
| 107 | }; |
| 108 | |
| 109 | /* @brief The known prefs for each track */ |
| 110 | static const struct pref { |
| 111 | const char *label; /**< @brief user-level description */ |
| 112 | const char *part; /**< @brief protocol-level tag */ |
| 113 | const char *default_value; /**< @brief default value or NULL */ |
| 114 | const struct preftype *type; /**< @brief underlying data type */ |
| 115 | } prefs[] = { |
| 116 | { "Artist", "artist", 0, &preftype_namepart }, |
| 117 | { "Album", "album", 0, &preftype_namepart }, |
| 118 | { "Title", "title", 0, &preftype_namepart }, |
| 119 | { "Tags", "tags", "", &preftype_string }, |
| 120 | { "Weight", "weight", "90000", &preftype_string }, |
| 121 | { "Random", "pick_at_random", "1", &preftype_boolean }, |
| 122 | }; |
| 123 | |
| 124 | #define NPREFS (int)(sizeof prefs / sizeof *prefs) |
| 125 | |
| 126 | /* Buttons that appear at the bottom of the window */ |
| 127 | static struct button buttons[] = { |
| 128 | { |
| 129 | GTK_STOCK_OK, |
| 130 | properties_ok, |
| 131 | "Apply all changes and close window", |
| 132 | 0 |
| 133 | }, |
| 134 | { |
| 135 | GTK_STOCK_APPLY, |
| 136 | properties_apply, |
| 137 | "Apply all changes and keep window open", |
| 138 | 0 |
| 139 | }, |
| 140 | { |
| 141 | GTK_STOCK_CANCEL, |
| 142 | properties_cancel, |
| 143 | "Discard all changes and close window", |
| 144 | 0 |
| 145 | }, |
| 146 | }; |
| 147 | |
| 148 | #define NBUTTONS (int)(sizeof buttons / sizeof *buttons) |
| 149 | |
| 150 | static int prefs_unfilled; /* Prefs remaining to get */ |
| 151 | static int prefs_total; /* Total prefs */ |
| 152 | static struct prefdata *prefdatas; /* Current prefdatas */ |
| 153 | static GtkWidget *properties_window; |
| 154 | static GtkWidget *properties_table; |
| 155 | static struct progress_window *pw; |
| 156 | static event_handle properties_event; |
| 157 | |
| 158 | static void propagate_clicked(GtkButton attribute((unused)) *button, |
| 159 | gpointer userdata) { |
| 160 | struct prefdata *f = (struct prefdata *)userdata, *g; |
| 161 | int p; |
| 162 | const char *value = f->p->type->get_edited(f); |
| 163 | |
| 164 | for(p = 0; p < prefs_total; ++p) { |
| 165 | g = &prefdatas[p]; |
| 166 | if(f->p == g->p && f != g) |
| 167 | g->p->type->set_edited(g, value); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | /** @brief Keypress handler */ |
| 172 | static gboolean properties_keypress(GtkWidget attribute((unused)) *widget, |
| 173 | GdkEventKey *event, |
| 174 | gpointer attribute((unused)) user_data) { |
| 175 | if(event->state) |
| 176 | return FALSE; |
| 177 | switch(event->keyval) { |
| 178 | case GDK_Return: |
| 179 | properties_ok(0, 0); |
| 180 | return TRUE; |
| 181 | case GDK_Escape: |
| 182 | properties_cancel(0, 0); |
| 183 | return TRUE; |
| 184 | default: |
| 185 | return FALSE; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | void properties(int ntracks, const char **tracks) { |
| 190 | int n, m; |
| 191 | struct prefdata *f; |
| 192 | GtkWidget *buttonbox, *vbox, *label, *entry, *propagate; |
| 193 | |
| 194 | /* If no tracks, do nothign */ |
| 195 | if(!ntracks) |
| 196 | return; |
| 197 | /* If there is a properties window open then just bring it to the |
| 198 | * front. It might not have the right values in... */ |
| 199 | if(properties_window) { |
| 200 | if(!prefs_unfilled) |
| 201 | gtk_window_present(GTK_WINDOW(properties_window)); |
| 202 | return; |
| 203 | } |
| 204 | assert(properties_table == 0); |
| 205 | if(ntracks > INT_MAX / NPREFS) { |
| 206 | popup_msg(GTK_MESSAGE_ERROR, "Too many tracks selected"); |
| 207 | return; |
| 208 | } |
| 209 | properties_event = event_register("logged-in", properties_logged_in, 0); |
| 210 | /* Create a new properties window */ |
| 211 | properties_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 212 | gtk_widget_set_style(properties_window, tool_style); |
| 213 | g_signal_connect(properties_window, "destroy", |
| 214 | G_CALLBACK(gtk_widget_destroyed), &properties_window); |
| 215 | /* Keyboard shortcuts */ |
| 216 | g_signal_connect(properties_window, "key-press-event", |
| 217 | G_CALLBACK(properties_keypress), 0); |
| 218 | /* Most of the action is the table of preferences */ |
| 219 | properties_table = gtk_table_new((NPREFS + 1) * ntracks, 2 + ntracks > 1, |
| 220 | FALSE); |
| 221 | gtk_widget_set_style(properties_table, tool_style); |
| 222 | g_signal_connect(properties_table, "destroy", |
| 223 | G_CALLBACK(gtk_widget_destroyed), &properties_table); |
| 224 | gtk_window_set_title(GTK_WINDOW(properties_window), "Track Properties"); |
| 225 | /* Create labels for each pref of each track and kick off requests to the |
| 226 | * server to fill in the values */ |
| 227 | prefs_total = NPREFS * ntracks; |
| 228 | prefdatas = xcalloc(prefs_total, sizeof *prefdatas); |
| 229 | for(n = 0; n < ntracks; ++n) { |
| 230 | /* The track itself */ |
| 231 | /* Caption */ |
| 232 | label = gtk_label_new("Track"); |
| 233 | gtk_widget_set_style(label, tool_style); |
| 234 | gtk_misc_set_alignment(GTK_MISC(label), 1, 0); |
| 235 | gtk_table_attach(GTK_TABLE(properties_table), |
| 236 | label, |
| 237 | 0, 1, |
| 238 | (NPREFS + 1) * n, (NPREFS + 1) * n + 1, |
| 239 | GTK_FILL, 0, |
| 240 | 1, 1); |
| 241 | /* The track name */ |
| 242 | entry = gtk_entry_new(); |
| 243 | gtk_widget_set_style(entry, tool_style); |
| 244 | gtk_entry_set_text(GTK_ENTRY(entry), tracks[n]); |
| 245 | gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE); |
| 246 | gtk_table_attach(GTK_TABLE(properties_table), |
| 247 | entry, |
| 248 | 1, 2, |
| 249 | (NPREFS + 1) * n, (NPREFS + 1) * n + 1, |
| 250 | GTK_EXPAND|GTK_FILL, 0, |
| 251 | 1, 1); |
| 252 | /* Each preference */ |
| 253 | for(m = 0; m < NPREFS; ++m) { |
| 254 | /* Caption */ |
| 255 | label = gtk_label_new(prefs[m].label); |
| 256 | gtk_widget_set_style(label, tool_style); |
| 257 | gtk_misc_set_alignment(GTK_MISC(label), 1, 0); |
| 258 | gtk_table_attach(GTK_TABLE(properties_table), |
| 259 | label, |
| 260 | 0, 1, |
| 261 | (NPREFS + 1) * n + 1 + m, (NPREFS + 1) * n + 2 + m, |
| 262 | GTK_FILL/*xoptions*/, 0/*yoptions*/, |
| 263 | 1, 1); |
| 264 | /* Editing the preference is specific */ |
| 265 | f = &prefdatas[NPREFS * n + m]; |
| 266 | f->track = tracks[n]; |
| 267 | f->row = (NPREFS + 1) * n + 1 + m; |
| 268 | f->p = &prefs[m]; |
| 269 | prefs[m].type->kickoff(f); |
| 270 | if(ntracks > 1) { |
| 271 | /* Propagation button */ |
| 272 | propagate = iconbutton("propagate.png", "Copy to other tracks"); |
| 273 | g_signal_connect(G_OBJECT(propagate), "clicked", |
| 274 | G_CALLBACK(propagate_clicked), f); |
| 275 | gtk_table_attach(GTK_TABLE(properties_table), |
| 276 | propagate, |
| 277 | 2/*left*/, 3/*right*/, |
| 278 | (NPREFS + 1) * n + 1 + m, (NPREFS + 1) * n + 2 + m, |
| 279 | GTK_FILL/*xoptions*/, 0/*yoptions*/, |
| 280 | 1/*xpadding*/, 1/*ypadding*/); |
| 281 | } |
| 282 | } |
| 283 | } |
| 284 | prefs_unfilled = prefs_total; |
| 285 | /* Buttons */ |
| 286 | buttonbox = create_buttons(buttons, NBUTTONS); |
| 287 | /* Put it all together */ |
| 288 | vbox = gtk_vbox_new(FALSE, 1); |
| 289 | gtk_box_pack_start(GTK_BOX(vbox), |
| 290 | scroll_widget(properties_table), |
| 291 | TRUE, TRUE, 1); |
| 292 | gtk_box_pack_start(GTK_BOX(vbox), buttonbox, FALSE, FALSE, 1); |
| 293 | gtk_container_add(GTK_CONTAINER(properties_window), frame_widget(vbox, NULL)); |
| 294 | /* The table only really wants to be vertically scrollable */ |
| 295 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(GTK_WIDGET(properties_table)->parent->parent), |
| 296 | GTK_POLICY_NEVER, |
| 297 | GTK_POLICY_AUTOMATIC); |
| 298 | /* Zot any pre-existing progress window just in case */ |
| 299 | if(pw) |
| 300 | progress_window_progress(pw, 0, 0); |
| 301 | /* Pop up a progress bar while we're waiting */ |
| 302 | pw = progress_window_new("Fetching Track Properties"); |
| 303 | } |
| 304 | |
| 305 | /* Everything is filled in now */ |
| 306 | static void prefdata_alldone(void) { |
| 307 | if(pw) { |
| 308 | progress_window_progress(pw, 0, 0); |
| 309 | pw = 0; |
| 310 | } |
| 311 | /* Default size may be too small */ |
| 312 | gtk_window_set_default_size(GTK_WINDOW(properties_window), 480, 512); |
| 313 | /* TODO: relate default size to required size more closely */ |
| 314 | gtk_widget_show_all(properties_window); |
| 315 | } |
| 316 | |
| 317 | /* Namepart preferences ---------------------------------------------------- */ |
| 318 | |
| 319 | static void kickoff_namepart(struct prefdata *f) { |
| 320 | /* We ask for the display name part. This is a bit bizarre if what we really |
| 321 | * wanted was the underlying preference, but in fact it should always match |
| 322 | * and will supply a sane default without having to know how to parse tracks |
| 323 | * names (which implies knowing collection roots). */ |
| 324 | disorder_eclient_namepart(client, prefdata_completed, |
| 325 | f->track, "display", f->p->part, f); |
| 326 | } |
| 327 | |
| 328 | static void completed_namepart(struct prefdata *f) { |
| 329 | if(!f->value) { |
| 330 | /* No setting */ |
| 331 | f->value = ""; |
| 332 | } |
| 333 | f->widget = gtk_entry_new(); |
| 334 | } |
| 335 | |
| 336 | static const char *get_edited_namepart(struct prefdata *f) { |
| 337 | return gtk_entry_get_text(GTK_ENTRY(f->widget)); |
| 338 | } |
| 339 | |
| 340 | static void set_edited_namepart(struct prefdata *f, const char *value) { |
| 341 | gtk_entry_set_text(GTK_ENTRY(f->widget), value); |
| 342 | } |
| 343 | |
| 344 | static void set_namepart(struct prefdata *f, const char *value) { |
| 345 | char *s; |
| 346 | |
| 347 | byte_xasprintf(&s, "trackname_display_%s", f->p->part); |
| 348 | /* We don't know what the default is so can never unset. This is a bug |
| 349 | * relative to the original design, which is supposed to only ever allow for |
| 350 | * non-trivial namepart preferences. I suppose the server could spot a |
| 351 | * default being set and translate it into an unset. */ |
| 352 | disorder_eclient_set(client, set_namepart_completed, f->track, s, value, |
| 353 | f); |
| 354 | } |
| 355 | |
| 356 | /* Called when we've set a namepart */ |
| 357 | static void set_namepart_completed(void *v, const char *err) { |
| 358 | if(err) |
| 359 | popup_protocol_error(0, err); |
| 360 | else { |
| 361 | struct prefdata *f = v; |
| 362 | |
| 363 | namepart_update(f->track, "display", f->p->part); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | /* String preferences ------------------------------------------------------ */ |
| 368 | |
| 369 | static void kickoff_string(struct prefdata *f) { |
| 370 | disorder_eclient_get(client, prefdata_completed, f->track, f->p->part, f); |
| 371 | } |
| 372 | |
| 373 | static void completed_string(struct prefdata *f) { |
| 374 | if(!f->value) |
| 375 | /* No setting, use the default value instead */ |
| 376 | f->value = f->p->default_value; |
| 377 | f->widget = gtk_entry_new(); |
| 378 | } |
| 379 | |
| 380 | static const char *get_edited_string(struct prefdata *f) { |
| 381 | return gtk_entry_get_text(GTK_ENTRY(f->widget)); |
| 382 | } |
| 383 | |
| 384 | static void set_edited_string(struct prefdata *f, const char *value) { |
| 385 | gtk_entry_set_text(GTK_ENTRY(f->widget), value); |
| 386 | } |
| 387 | |
| 388 | static void set_string_completed(void attribute((unused)) *v, |
| 389 | const char *err) { |
| 390 | if(err) |
| 391 | popup_protocol_error(0, err); |
| 392 | } |
| 393 | |
| 394 | static void set_string(struct prefdata *f, const char *value) { |
| 395 | disorder_eclient_set(client, set_string_completed, f->track, f->p->part, |
| 396 | value, 0/*v*/); |
| 397 | } |
| 398 | |
| 399 | /* Boolean preferences ----------------------------------------------------- */ |
| 400 | |
| 401 | static void kickoff_boolean(struct prefdata *f) { |
| 402 | disorder_eclient_get(client, prefdata_completed, f->track, f->p->part, f); |
| 403 | } |
| 404 | |
| 405 | static void completed_boolean(struct prefdata *f) { |
| 406 | f->widget = gtk_check_button_new(); |
| 407 | gtk_widget_set_style(f->widget, tool_style); |
| 408 | if(!f->value) |
| 409 | /* Not set, use the default */ |
| 410 | f->value = f->p->default_value; |
| 411 | } |
| 412 | |
| 413 | static const char *get_edited_boolean(struct prefdata *f) { |
| 414 | return (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(f->widget)) |
| 415 | ? "1" : "0"); |
| 416 | } |
| 417 | |
| 418 | static void set_edited_boolean(struct prefdata *f, const char *value) { |
| 419 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(f->widget), |
| 420 | strcmp(value, "0")); |
| 421 | } |
| 422 | |
| 423 | #define set_boolean_completed set_string_completed |
| 424 | |
| 425 | static void set_boolean(struct prefdata *f, const char *value) { |
| 426 | char *s; |
| 427 | |
| 428 | byte_xasprintf(&s, "trackname_display_%s", f->p->part); |
| 429 | disorder_eclient_set(client, set_boolean_completed, |
| 430 | f->track, f->p->part, value, 0/*v*/); |
| 431 | } |
| 432 | |
| 433 | /* Querying preferences ---------------------------------------------------- */ |
| 434 | |
| 435 | static void prefdata_completed(void *v, const char *err, const char *value) { |
| 436 | struct prefdata *const f = v; |
| 437 | |
| 438 | if(err) |
| 439 | popup_protocol_error(0, err); |
| 440 | f->value = value; |
| 441 | f->p->type->completed(f); |
| 442 | f->p->type->set_edited(f, f->value); |
| 443 | assert(f->value != 0); /* Had better set a default */ |
| 444 | gtk_table_attach(GTK_TABLE(properties_table), f->widget, |
| 445 | 1, 2, |
| 446 | f->row, f->row + 1, |
| 447 | GTK_EXPAND|GTK_FILL/*xoptions*/, 0/*yoptions*/, |
| 448 | 1, 1); |
| 449 | --prefs_unfilled; |
| 450 | if(prefs_total) |
| 451 | progress_window_progress(pw, prefs_total - prefs_unfilled, prefs_total); |
| 452 | if(!prefs_unfilled) |
| 453 | prefdata_alldone(); |
| 454 | } |
| 455 | |
| 456 | /* Button callbacks -------------------------------------------------------- */ |
| 457 | |
| 458 | static void properties_ok(GtkButton *button, |
| 459 | gpointer userdata) { |
| 460 | properties_apply(button, userdata); |
| 461 | properties_cancel(button, userdata); |
| 462 | } |
| 463 | |
| 464 | static void properties_apply(GtkButton attribute((unused)) *button, |
| 465 | gpointer attribute((unused)) userdata) { |
| 466 | int n; |
| 467 | const char *edited; |
| 468 | struct prefdata *f; |
| 469 | |
| 470 | /* For each possible property we see if we've changed it and if so tell the |
| 471 | * server */ |
| 472 | for(n = 0; n < prefs_total; ++n) { |
| 473 | f = &prefdatas[n]; |
| 474 | edited = f->p->type->get_edited(f); |
| 475 | if(strcmp(edited, f->value)) { |
| 476 | /* The value has changed */ |
| 477 | f->p->type->set(f, edited); |
| 478 | f->value = xstrdup(edited); |
| 479 | } |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | static void properties_cancel(GtkButton attribute((unused)) *button, |
| 484 | gpointer attribute((unused)) userdata) { |
| 485 | gtk_widget_destroy(properties_window); |
| 486 | event_cancel(properties_event); |
| 487 | properties_event = 0; |
| 488 | } |
| 489 | |
| 490 | /** @brief Called when we've just logged in |
| 491 | * |
| 492 | * Destroys the current properties window. |
| 493 | */ |
| 494 | static void properties_logged_in(const char attribute((unused)) *event, |
| 495 | void attribute((unused)) *eventdata, |
| 496 | void attribute((unused)) *callbackdata) { |
| 497 | if(properties_window) |
| 498 | gtk_widget_destroy(properties_window); |
| 499 | } |
| 500 | |
| 501 | /* |
| 502 | Local Variables: |
| 503 | c-basic-offset:2 |
| 504 | comment-column:40 |
| 505 | fill-column:79 |
| 506 | indent-tabs-mode:nil |
| 507 | End: |
| 508 | */ |