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 queue_entry *q = ql_iter_to_q(model, iter);
  97   const int removable = (q != playing_track
  98                          && right_removable(last_rights, config->username, q));
  99   int *const counts = data;
 100   ++counts[removable];
 101 }
 102
 103 int ql_remove_sensitive(struct queuelike *ql) {
 104   int counts[2] = { 0, 0 };
 105   gtk_tree_selection_selected_foreach(ql->selection,
 106                                       ql_remove_sensitive_callback,
 107                                       counts);
 108   /* Remove will work if we have at least some removable tracks selected, and
 109    * no unremovable ones */
 110   return counts[1] > 0 && counts[0] == 0;
 111 }
 112
 113 static void ql_remove_completed(void attribute((unused)) *v,
 114                                 const char *error) {
 115   if(error)
 116     popup_protocol_error(0, error);
 117 }
 118
 119 static void ql_remove_activate_callback(GtkTreeModel *model,
 120                                         GtkTreePath attribute((unused)) *path,
 121                                         GtkTreeIter *iter,
 122                                         gpointer attribute((unused)) data) {
 123   struct queue_entry *q = ql_iter_to_q(model, iter);
 124
 125   disorder_eclient_remove(client, q->id, ql_remove_completed, q);
 126 }
 127
 128 void ql_remove_activate(GtkMenuItem attribute((unused)) *menuitem,
 129                         gpointer user_data) {
 130   struct queuelike *ql = user_data;
 131   gtk_tree_selection_selected_foreach(ql->selection,
 132                                       ql_remove_activate_callback,
 133                                       0);
 134 }
 135
 136 /* Play */
 137
 138 int ql_play_sensitive(struct queuelike *ql) {
 139   return (last_rights & RIGHT_PLAY)
 140     && gtk_tree_selection_count_selected_rows(ql->selection) > 0;
 141 }
 142
 143 static void ql_play_completed(void attribute((unused)) *v, const char *error) {
 144   if(error)
 145     popup_protocol_error(0, error);
 146 }
 147
 148 static void ql_play_activate_callback(GtkTreeModel *model,
 149                                       GtkTreePath attribute((unused)) *path,
 150                                       GtkTreeIter *iter,
 151                                       gpointer attribute((unused)) data) {
 152   struct queue_entry *q = ql_iter_to_q(model, iter);
 153
 154   disorder_eclient_play(client, q->track, ql_play_completed, q);
 155 }
 156
 157 void ql_play_activate(GtkMenuItem attribute((unused)) *menuitem,
 158                          gpointer user_data) {
 159   struct queuelike *ql = user_data;
 160   gtk_tree_selection_selected_foreach(ql->selection,
 161                                       ql_play_activate_callback,
 162                                       0);
 163 }
 164
 165 /** @brief Create @c ql->menu if it does not already exist */
 166 static void ql_create_menu(struct queuelike *ql) {
 167   if(ql->menu)
 168     return;
 169   ql->menu = gtk_menu_new();
 170   g_signal_connect(ql->menu, "destroy",
 171                    G_CALLBACK(gtk_widget_destroyed), &ql->menu);
 172   for(int n = 0; n < ql->nmenuitems; ++n) {
 173     ql->menuitems[n].w = gtk_menu_item_new_with_label(ql->menuitems[n].name);
 174     gtk_menu_attach(GTK_MENU(ql->menu), ql->menuitems[n].w, 0, 1, n, n + 1);
 175   }
 176   set_tool_colors(ql->menu);
 177 }
 178
 179 /** @brief Configure @c ql->menu */
 180 static void ql_configure_menu(struct queuelike *ql) {
 181   /* Set the sensitivity of each menu item and (re-)establish the signal
 182    * handlers */
 183   for(int n = 0; n < ql->nmenuitems; ++n) {
 184     if(ql->menuitems[n].handlerid)
 185       g_signal_handler_disconnect(ql->menuitems[n].w,
 186                                   ql->menuitems[n].handlerid);
 187     gtk_widget_set_sensitive(ql->menuitems[n].w,
 188                              ql->menuitems[n].sensitive(ql));
 189     ql->menuitems[n].handlerid = g_signal_connect
 190       (ql->menuitems[n].w, "activate",
 191        G_CALLBACK(ql->menuitems[n].activate), ql);
 192   }
 193 }
 194
 195 /** @brief Called when a button is released over a queuelike */
 196 gboolean ql_button_release(GtkWidget*widget,
 197                            GdkEventButton *event,
 198                            gpointer user_data) {
 199   struct queuelike *ql = user_data;
 200
 201   if(event->type == GDK_BUTTON_PRESS
 202      && event->button == 3) {
 203     /* Right button click. */
 204     if(gtk_tree_selection_count_selected_rows(ql->selection) == 0) {
 205       /* Nothing is selected, select whatever is under the pointer */
 206       GtkTreePath *path;
 207       if(gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
 208                                        event->x, event->y,
 209                                        &path,
 210                                        NULL,
 211                                        NULL, NULL))
 212         gtk_tree_selection_select_path(ql->selection, path);
 213     }
 214     ql_create_menu(ql);
 215     ql_configure_menu(ql);
 216     gtk_widget_show_all(ql->menu);
 217     gtk_menu_popup(GTK_MENU(ql->menu), 0, 0, 0, 0,
 218                    event->button, event->time);
 219     return TRUE;                        /* hide the click from other widgets */
 220   }
 221
 222   return FALSE;
 223 }
 224
 225 static int ql_tab_selectall_sensitive(void *extra) {
 226   return ql_selectall_sensitive(extra);
 227 }
 228
 229 static void ql_tab_selectall_activate(void *extra) {
 230   ql_selectall_activate(NULL, extra);
 231 }
 232
 233 static int ql_tab_selectnone_sensitive(void *extra) {
 234   return ql_selectnone_sensitive(extra);
 235 }
 236
 237 static void ql_tab_selectnone_activate(void *extra) {
 238   ql_selectnone_activate(NULL, extra);
 239 }
 240
 241 static int ql_tab_properties_sensitive(void *extra) {
 242   return ql_properties_sensitive(extra);
 243 }
 244
 245 static void ql_tab_properties_activate(void *extra) {
 246   ql_properties_activate(NULL, extra);
 247 }
 248
 249 struct tabtype *ql_tabtype(struct queuelike *ql) {
 250   static const struct tabtype ql_tabtype = {
 251     ql_tab_properties_sensitive,
 252     ql_tab_selectall_sensitive,
 253     ql_tab_selectnone_sensitive,
 254     ql_tab_properties_activate,
 255     ql_tab_selectall_activate,
 256     ql_tab_selectnone_activate,
 257     0,
 258     0
 259   };
 260
 261   struct tabtype *t = xmalloc(sizeof *t);
 262   *t = ql_tabtype;
 263   t->extra = ql;
 264   return t;
 265 }
 266
 267 /*
 268 Local Variables:
 269 c-basic-offset:2
 270 comment-column:40
 271 fill-column:79
 272 indent-tabs-mode:nil
 273 End:
 274 */