chiark - git - mdw - disorder/blob - disobedience/queue-menu.c

   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 2 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, 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.
  14  *
  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
  18  * USA
  19  */
  20 #include "disobedience.h"
  21 #include "queue-generic.h"
  22
  23 /* Select All */
  24
  25 int ql_selectall_sensitive(struct queuelike *ql) {
  26   return !!ql->q;
  27 }
  28
  29 void ql_selectall_activate(GtkMenuItem attribute((unused)) *menuitem,
  30                            gpointer user_data) {
  31   struct queuelike *ql = user_data;
  32
  33   gtk_tree_selection_select_all(ql->selection);
  34 }
  35
  36 /* Select None */
  37
  38 int ql_selectnone_sensitive(struct queuelike *ql) {
  39   return gtk_tree_selection_count_selected_rows(ql->selection) > 0;
  40 }
  41
  42 void ql_selectnone_activate(GtkMenuItem attribute((unused)) *menuitem,
  43                             gpointer user_data) {
  44   struct queuelike *ql = user_data;
  45
  46   gtk_tree_selection_unselect_all(ql->selection);
  47 }
  48
  49 /* Properties */
  50
  51 int ql_properties_sensitive(struct queuelike *ql) {
  52   return gtk_tree_selection_count_selected_rows(ql->selection) > 0;
  53 }
  54
  55 void ql_properties_activate(GtkMenuItem attribute((unused)) *menuitem,
  56                             gpointer user_data) {
  57   struct queuelike *ql = user_data;
  58   struct vector v[1];
  59   GtkTreeIter iter[1];
  60
  61   vector_init(v);
  62   gtk_tree_model_get_iter_first(GTK_TREE_MODEL(ql->store), iter);
  63   for(struct queue_entry *q = ql->q; q; q = q->next) {
  64     if(gtk_tree_selection_iter_is_selected(ql->selection, iter))
  65       vector_append(v, (char *)q->track);
  66     gtk_tree_model_iter_next(GTK_TREE_MODEL(ql->store), iter);
  67   }
  68   if(v->nvec)
  69     properties(v->nvec, (const char **)v->vec);
  70 }
  71
  72 /* Scratch */
  73
  74 int ql_scratch_sensitive(struct queuelike attribute((unused)) *ql) {
  75   return !!(last_state & DISORDER_PLAYING)
  76     && right_scratchable(last_rights, config->username, playing_track);
  77 }
  78
  79 static void ql_scratch_completed(void attribute((unused)) *v,
  80                                  const char *error) {
  81   if(error)
  82     popup_protocol_error(0, error);
  83 }
  84
  85 void ql_scratch_activate(GtkMenuItem attribute((unused)) *menuitem,
  86                          gpointer attribute((unused)) user_data) {
  87   disorder_eclient_scratch_playing(client, ql_scratch_completed, 0);
  88 }
  89
  90 /* Remove */
  91
  92 static void ql_remove_sensitive_callback(GtkTreeModel *model,
  93                                          GtkTreePath attribute((unused)) *path,
  94                                          GtkTreeIter *iter,
  95                                          gpointer data) {
  96   struct queuelike *ql = g_object_get_data(G_OBJECT(model), "ql");
  97   struct queue_entry *q = ql_iter_to_q(ql, iter);
  98   const int removable = (q != playing_track
  99                          && right_removable(last_rights, config->username, q));
 100   int *const counts = data;
 101   ++counts[removable];
 102 }
 103
 104 int ql_remove_sensitive(struct queuelike *ql) {
 105   int counts[2] = { 0, 0 };
 106   gtk_tree_selection_selected_foreach(ql->selection,
 107                                       ql_remove_sensitive_callback,
 108                                       counts);
 109   /* Remove will work if we have at least some removable tracks selected, and
 110    * no unremovable ones */
 111   return counts[1] > 0 && counts[0] == 0;
 112 }
 113
 114 static void ql_remove_completed(void attribute((unused)) *v,
 115                                 const char *error) {
 116   if(error)
 117     popup_protocol_error(0, error);
 118 }
 119
 120 static void ql_remove_activate_callback(GtkTreeModel *model,
 121                                         GtkTreePath attribute((unused)) *path,
 122                                         GtkTreeIter *iter,
 123                                         gpointer attribute((unused)) data) {
 124   struct queuelike *ql = g_object_get_data(G_OBJECT(model), "ql");
 125   struct queue_entry *q = ql_iter_to_q(ql, iter);
 126
 127   disorder_eclient_remove(client, q->id, ql_remove_completed, q);
 128 }
 129
 130 void ql_remove_activate(GtkMenuItem attribute((unused)) *menuitem,
 131                         gpointer user_data) {
 132   struct queuelike *ql = user_data;
 133   gtk_tree_selection_selected_foreach(ql->selection,
 134                                       ql_remove_activate_callback,
 135                                       0);
 136 }
 137
 138 /* Play */
 139
 140 int ql_play_sensitive(struct queuelike *ql) {
 141   return (last_rights & RIGHT_PLAY)
 142     && gtk_tree_selection_count_selected_rows(ql->selection) > 0;
 143 }
 144
 145 static void ql_play_completed(void attribute((unused)) *v, const char *error) {
 146   if(error)
 147     popup_protocol_error(0, error);
 148 }
 149
 150 static void ql_play_activate_callback(GtkTreeModel *model,
 151                                       GtkTreePath attribute((unused)) *path,
 152                                       GtkTreeIter *iter,
 153                                       gpointer attribute((unused)) data) {
 154   struct queuelike *ql = g_object_get_data(G_OBJECT(model), "ql");
 155   struct queue_entry *q = ql_iter_to_q(ql, iter);
 156
 157   disorder_eclient_play(client, q->track, ql_play_completed, q);
 158 }
 159
 160 void ql_play_activate(GtkMenuItem attribute((unused)) *menuitem,
 161                          gpointer user_data) {
 162   struct queuelike *ql = user_data;
 163   gtk_tree_selection_selected_foreach(ql->selection,
 164                                       ql_play_activate_callback,
 165                                       0);
 166 }
 167
 168 /** @brief Create @c ql->menu if it does not already exist */
 169 static void ql_create_menu(struct queuelike *ql) {
 170   if(ql->menu)
 171     return;
 172   ql->menu = gtk_menu_new();
 173   g_signal_connect(ql->menu, "destroy",
 174                    G_CALLBACK(gtk_widget_destroyed), &ql->menu);
 175   for(int n = 0; n < ql->nmenuitems; ++n) {
 176     ql->menuitems[n].w = gtk_menu_item_new_with_label(ql->menuitems[n].name);
 177     gtk_menu_attach(GTK_MENU(ql->menu), ql->menuitems[n].w, 0, 1, n, n + 1);
 178   }
 179   set_tool_colors(ql->menu);
 180 }
 181
 182 /** @brief Configure @c ql->menu */
 183 static void ql_configure_menu(struct queuelike *ql) {
 184   /* Set the sensitivity of each menu item and (re-)establish the signal
 185    * handlers */
 186   for(int n = 0; n < ql->nmenuitems; ++n) {
 187     if(ql->menuitems[n].handlerid)
 188       g_signal_handler_disconnect(ql->menuitems[n].w,
 189                                   ql->menuitems[n].handlerid);
 190     gtk_widget_set_sensitive(ql->menuitems[n].w,
 191                              ql->menuitems[n].sensitive(ql));
 192     ql->menuitems[n].handlerid = g_signal_connect
 193       (ql->menuitems[n].w, "activate",
 194        G_CALLBACK(ql->menuitems[n].activate), ql);
 195   }
 196 }
 197
 198 /** @brief Called when a button is released over a queuelike */
 199 gboolean ql_button_release(GtkWidget*widget,
 200                            GdkEventButton *event,
 201                            gpointer user_data) {
 202   struct queuelike *ql = user_data;
 203
 204   if(event->type == GDK_BUTTON_PRESS
 205      && event->button == 3) {
 206     /* Right button click. */
 207     if(gtk_tree_selection_count_selected_rows(ql->selection) == 0) {
 208       /* Nothing is selected, select whatever is under the pointer */
 209       GtkTreePath *path;
 210       if(gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
 211                                        event->x, event->y,
 212                                        &path,
 213                                        NULL,
 214                                        NULL, NULL))
 215         gtk_tree_selection_select_path(ql->selection, path);
 216     }
 217     ql_create_menu(ql);
 218     ql_configure_menu(ql);
 219     gtk_widget_show_all(ql->menu);
 220     gtk_menu_popup(GTK_MENU(ql->menu), 0, 0, 0, 0,
 221                    event->button, event->time);
 222     return TRUE;                        /* hide the click from other widgets */
 223   }
 224
 225   return FALSE;
 226 }
 227
 228 static int ql_tab_selectall_sensitive(void *extra) {
 229   return ql_selectall_sensitive(extra);
 230 }
 231
 232 static void ql_tab_selectall_activate(void *extra) {
 233   ql_selectall_activate(NULL, extra);
 234 }
 235
 236 static int ql_tab_selectnone_sensitive(void *extra) {
 237   return ql_selectnone_sensitive(extra);
 238 }
 239
 240 static void ql_tab_selectnone_activate(void *extra) {
 241   ql_selectnone_activate(NULL, extra);
 242 }
 243
 244 static int ql_tab_properties_sensitive(void *extra) {
 245   return ql_properties_sensitive(extra);
 246 }
 247
 248 static void ql_tab_properties_activate(void *extra) {
 249   ql_properties_activate(NULL, extra);
 250 }
 251
 252 struct tabtype *ql_tabtype(struct queuelike *ql) {
 253   static const struct tabtype ql_tabtype = {
 254     ql_tab_properties_sensitive,
 255     ql_tab_selectall_sensitive,
 256     ql_tab_selectnone_sensitive,
 257     ql_tab_properties_activate,
 258     ql_tab_selectall_activate,
 259     ql_tab_selectnone_activate,
 260     0,
 261     0
 262   };
 263
 264   struct tabtype *t = xmalloc(sizeof *t);
 265   *t = ql_tabtype;
 266   t->extra = ql;
 267   return t;
 268 }
 269
 270 /*
 271 Local Variables:
 272 c-basic-offset:2
 273 comment-column:40
 274 fill-column:79
 275 indent-tabs-mode:nil
 276 End:
 277 */