| 1 | /* |
| 2 | * This file is part of DisOrder |
| 3 | * Copyright (C) 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/choose-menu.c |
| 19 | * @brief Popup menu for choose screen |
| 20 | */ |
| 21 | #include "disobedience.h" |
| 22 | #include "popup.h" |
| 23 | #include "choose.h" |
| 24 | |
| 25 | static void choose_playchildren_callback(GtkTreeModel *model, |
| 26 | GtkTreePath *path, |
| 27 | GtkTreeIter *iter, |
| 28 | gpointer data); |
| 29 | static void choose_playchildren_received(void *v, |
| 30 | const char *err, |
| 31 | int nvec, char **vec); |
| 32 | static void choose_playchildren_played(void *v, |
| 33 | const char *err, |
| 34 | const char *id); |
| 35 | |
| 36 | /** @brief Popup menu */ |
| 37 | static GtkWidget *choose_menu; |
| 38 | |
| 39 | /** @brief Path to directory pending a "select children" operation */ |
| 40 | static GtkTreePath *choose_eventually_select_children; |
| 41 | |
| 42 | /** @brief Should edit->select all be sensitive? No, for the choose tab. */ |
| 43 | static int choose_selectall_sensitive(void attribute((unused)) *extra) { |
| 44 | return FALSE; |
| 45 | } |
| 46 | |
| 47 | /** @brief Activate edit->select all (which should do nothing) */ |
| 48 | static void choose_selectall_activate(GtkMenuItem attribute((unused)) *item, |
| 49 | gpointer attribute((unused)) userdata) { |
| 50 | } |
| 51 | |
| 52 | /** @brief Should 'select none' be sensitive |
| 53 | * |
| 54 | * Yes if anything is selected. |
| 55 | */ |
| 56 | static int choose_selectnone_sensitive(void attribute((unused)) *extra) { |
| 57 | return gtk_tree_selection_count_selected_rows(choose_selection) > 0; |
| 58 | } |
| 59 | |
| 60 | /** @brief Activate select none */ |
| 61 | static void choose_selectnone_activate(GtkMenuItem attribute((unused)) *item, |
| 62 | gpointer attribute((unused)) userdata) { |
| 63 | gtk_tree_selection_unselect_all(choose_selection); |
| 64 | } |
| 65 | |
| 66 | static void choose_play_sensitive_callback(GtkTreeModel attribute((unused)) *model, |
| 67 | GtkTreePath attribute((unused)) *path, |
| 68 | GtkTreeIter *iter, |
| 69 | gpointer data) { |
| 70 | int *filesp = data; |
| 71 | |
| 72 | if(*filesp == -1) |
| 73 | return; |
| 74 | if(choose_is_dir(iter)) |
| 75 | *filesp = -1; |
| 76 | else if(choose_is_file(iter)) |
| 77 | ++*filesp; |
| 78 | } |
| 79 | |
| 80 | /** @brief Should 'play' be sensitive? |
| 81 | * |
| 82 | * Yes if tracks are selected and no directories are */ |
| 83 | static int choose_play_sensitive(void attribute((unused)) *extra) { |
| 84 | int files = 0; |
| 85 | |
| 86 | gtk_tree_selection_selected_foreach(choose_selection, |
| 87 | choose_play_sensitive_callback, |
| 88 | &files); |
| 89 | return files > 0; |
| 90 | } |
| 91 | |
| 92 | static void choose_gather_selected_files_callback(GtkTreeModel attribute((unused)) *model, |
| 93 | GtkTreePath attribute((unused)) *path, |
| 94 | GtkTreeIter *iter, |
| 95 | gpointer data) { |
| 96 | struct vector *v = data; |
| 97 | |
| 98 | if(choose_is_file(iter)) |
| 99 | vector_append(v, choose_get_track(iter)); |
| 100 | } |
| 101 | |
| 102 | static void choose_gather_selected_dirs_callback(GtkTreeModel attribute((unused)) *model, |
| 103 | GtkTreePath attribute((unused)) *path, |
| 104 | GtkTreeIter *iter, |
| 105 | gpointer data) { |
| 106 | struct vector *v = data; |
| 107 | |
| 108 | if(choose_is_dir(iter)) |
| 109 | vector_append(v, choose_get_track(iter)); |
| 110 | } |
| 111 | |
| 112 | |
| 113 | static void choose_play_activate(GtkMenuItem attribute((unused)) *item, |
| 114 | gpointer attribute((unused)) userdata) { |
| 115 | struct vector v[1]; |
| 116 | vector_init(v); |
| 117 | gtk_tree_selection_selected_foreach(choose_selection, |
| 118 | choose_gather_selected_files_callback, |
| 119 | v); |
| 120 | for(int n = 0; n < v->nvec; ++n) |
| 121 | disorder_eclient_play(client, choose_play_completed, v->vec[n], 0); |
| 122 | } |
| 123 | |
| 124 | static int choose_properties_sensitive(void *extra) { |
| 125 | return choose_play_sensitive(extra); |
| 126 | } |
| 127 | |
| 128 | static void choose_properties_activate(GtkMenuItem attribute((unused)) *item, |
| 129 | gpointer attribute((unused)) userdata) { |
| 130 | struct vector v[1]; |
| 131 | vector_init(v); |
| 132 | gtk_tree_selection_selected_foreach(choose_selection, |
| 133 | choose_gather_selected_files_callback, |
| 134 | v); |
| 135 | properties(v->nvec, (const char **)v->vec, toplevel); |
| 136 | } |
| 137 | |
| 138 | /** @brief Set sensitivity for select children |
| 139 | * |
| 140 | * Sensitive if we've selected exactly one directory. |
| 141 | */ |
| 142 | static int choose_selectchildren_sensitive(void attribute((unused)) *extra) { |
| 143 | struct vector v[1]; |
| 144 | /* Only one thing should be selected */ |
| 145 | if(gtk_tree_selection_count_selected_rows(choose_selection) != 1) |
| 146 | return FALSE; |
| 147 | /* The selected thing should be a directory */ |
| 148 | vector_init(v); |
| 149 | gtk_tree_selection_selected_foreach(choose_selection, |
| 150 | choose_gather_selected_dirs_callback, |
| 151 | v); |
| 152 | return v->nvec == 1; |
| 153 | } |
| 154 | |
| 155 | /** @brief Actually select the children of path |
| 156 | * |
| 157 | * We deselect everything else, too. |
| 158 | */ |
| 159 | static void choose_select_children(GtkTreePath *path) { |
| 160 | GtkTreeIter iter[1], child[1]; |
| 161 | |
| 162 | if(gtk_tree_model_get_iter(GTK_TREE_MODEL(choose_store), iter, path)) { |
| 163 | gtk_tree_selection_unselect_all(choose_selection); |
| 164 | for(int n = 0; |
| 165 | gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(choose_store), child, |
| 166 | iter, n); |
| 167 | ++n) { |
| 168 | if(choose_is_file(child)) |
| 169 | gtk_tree_selection_select_iter(choose_selection, child); |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | /** @brief Called to expand the children of path/iter */ |
| 175 | static void choose_selectchildren_callback(GtkTreeModel attribute((unused)) *model, |
| 176 | GtkTreePath *path, |
| 177 | GtkTreeIter attribute((unused)) *iter, |
| 178 | gpointer attribute((unused)) data) { |
| 179 | if(gtk_tree_view_row_expanded(GTK_TREE_VIEW(choose_view), path)) { |
| 180 | /* Directory is already expanded */ |
| 181 | choose_select_children(path); |
| 182 | } else { |
| 183 | /* Directory is not expanded, so expand it */ |
| 184 | gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), path, FALSE/*!expand_all*/); |
| 185 | /* Select its children when it's done */ |
| 186 | if(choose_eventually_select_children) |
| 187 | gtk_tree_path_free(choose_eventually_select_children); |
| 188 | choose_eventually_select_children = gtk_tree_path_copy(path); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | /** @brief Called when all pending track fetches are finished |
| 193 | * |
| 194 | * If there's a pending select-children operation, it can now be actioned |
| 195 | * (or might have gone stale). |
| 196 | */ |
| 197 | void choose_menu_moretracks(const char attribute((unused)) *event, |
| 198 | void attribute((unused)) *eventdata, |
| 199 | void attribute((unused)) *callbackdata) { |
| 200 | if(choose_eventually_select_children) { |
| 201 | choose_select_children(choose_eventually_select_children); |
| 202 | gtk_tree_path_free(choose_eventually_select_children); |
| 203 | choose_eventually_select_children = 0; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | /** @brief Select all children |
| 208 | * |
| 209 | * Easy enough if the directory is already expanded, we can just select its |
| 210 | * children. However if it is not then we must expand it and _when this has |
| 211 | * completed_ select its children. |
| 212 | * |
| 213 | * The way this is implented could cope with multiple directories but |
| 214 | * choose_selectchildren_sensitive() should stop this. |
| 215 | */ |
| 216 | static void choose_selectchildren_activate |
| 217 | (GtkMenuItem attribute((unused)) *item, |
| 218 | gpointer attribute((unused)) userdata) { |
| 219 | gtk_tree_selection_selected_foreach(choose_selection, |
| 220 | choose_selectchildren_callback, |
| 221 | 0); |
| 222 | } |
| 223 | |
| 224 | /** @brief Play all children */ |
| 225 | static void choose_playchildren_activate |
| 226 | (GtkMenuItem attribute((unused)) *item, |
| 227 | gpointer attribute((unused)) userdata) { |
| 228 | /* Only one thing is selected */ |
| 229 | gtk_tree_selection_selected_foreach(choose_selection, |
| 230 | choose_playchildren_callback, |
| 231 | 0); |
| 232 | } |
| 233 | |
| 234 | static void choose_playchildren_callback(GtkTreeModel attribute((unused)) *model, |
| 235 | GtkTreePath *path, |
| 236 | GtkTreeIter *iter, |
| 237 | gpointer attribute((unused)) data) { |
| 238 | /* Find the children and play them */ |
| 239 | disorder_eclient_files(client, choose_playchildren_received, |
| 240 | choose_get_track(iter), |
| 241 | NULL/*re*/, |
| 242 | NULL); |
| 243 | /* Expand the node */ |
| 244 | gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), path, FALSE); |
| 245 | } |
| 246 | |
| 247 | static void choose_playchildren_received(void attribute((unused)) *v, |
| 248 | const char *err, |
| 249 | int nvec, char **vec) { |
| 250 | if(err) { |
| 251 | popup_protocol_error(0, err); |
| 252 | return; |
| 253 | } |
| 254 | for(int n = 0; n < nvec; ++n) |
| 255 | disorder_eclient_play(client, choose_playchildren_played, vec[n], NULL); |
| 256 | } |
| 257 | |
| 258 | static void choose_playchildren_played(void attribute((unused)) *v, |
| 259 | const char *err, |
| 260 | const char attribute((unused)) *id) { |
| 261 | if(err) { |
| 262 | popup_protocol_error(0, err); |
| 263 | return; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | /** @brief Pop-up menu for choose */ |
| 268 | static struct menuitem choose_menuitems[] = { |
| 269 | { |
| 270 | "Play track", |
| 271 | GTK_STOCK_MEDIA_PLAY, |
| 272 | choose_play_activate, |
| 273 | choose_play_sensitive, |
| 274 | 0, |
| 275 | 0 |
| 276 | }, |
| 277 | { |
| 278 | "Track properties", |
| 279 | GTK_STOCK_PROPERTIES, |
| 280 | choose_properties_activate, |
| 281 | choose_properties_sensitive, |
| 282 | 0, |
| 283 | 0 |
| 284 | }, |
| 285 | { |
| 286 | "Select children", |
| 287 | NULL, |
| 288 | choose_selectchildren_activate, |
| 289 | choose_selectchildren_sensitive, |
| 290 | 0, |
| 291 | 0 |
| 292 | }, |
| 293 | { |
| 294 | "Play children", |
| 295 | NULL, |
| 296 | choose_playchildren_activate, |
| 297 | choose_selectchildren_sensitive, /* re-use */ |
| 298 | 0, |
| 299 | 0 |
| 300 | }, |
| 301 | { |
| 302 | "Deselect all tracks", |
| 303 | NULL, |
| 304 | choose_selectnone_activate, |
| 305 | choose_selectnone_sensitive, |
| 306 | 0, |
| 307 | 0 |
| 308 | }, |
| 309 | }; |
| 310 | |
| 311 | const struct tabtype choose_tabtype = { |
| 312 | choose_properties_sensitive, |
| 313 | choose_selectall_sensitive, |
| 314 | choose_selectnone_sensitive, |
| 315 | choose_properties_activate, |
| 316 | choose_selectall_activate, |
| 317 | choose_selectnone_activate, |
| 318 | 0, |
| 319 | 0 |
| 320 | }; |
| 321 | |
| 322 | /** @brief Called when a mouse button is pressed or released */ |
| 323 | gboolean choose_button_event(GtkWidget attribute((unused)) *widget, |
| 324 | GdkEventButton *event, |
| 325 | gpointer attribute((unused)) user_data) { |
| 326 | if(event->type == GDK_BUTTON_RELEASE && event->button == 2) { |
| 327 | /* Middle click release - play track */ |
| 328 | ensure_selected(GTK_TREE_VIEW(choose_view), event); |
| 329 | choose_play_activate(NULL, NULL); |
| 330 | } else if(event->type == GDK_BUTTON_PRESS && event->button == 3) { |
| 331 | /* Right click press - pop up the menu */ |
| 332 | ensure_selected(GTK_TREE_VIEW(choose_view), event); |
| 333 | popup(&choose_menu, event, |
| 334 | choose_menuitems, sizeof choose_menuitems / sizeof *choose_menuitems, |
| 335 | 0); |
| 336 | return TRUE; |
| 337 | } |
| 338 | return FALSE; |
| 339 | } |
| 340 | |
| 341 | /* |
| 342 | Local Variables: |
| 343 | c-basic-offset:2 |
| 344 | comment-column:40 |
| 345 | fill-column:79 |
| 346 | indent-tabs-mode:nil |
| 347 | End: |
| 348 | */ |