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 "popup.h"
  22 #include "queue-generic.h"
  23
  24 /* Select All */
  25
  26 int ql_selectall_sensitive(void *extra) {
  27   struct queuelike *ql = extra;
  28   return !!ql->q;
  29 }
  30
  31 void ql_selectall_activate(GtkMenuItem attribute((unused)) *menuitem,
  32                            gpointer user_data) {
  33   struct queuelike *ql = user_data;
  34
  35   gtk_tree_selection_select_all(ql->selection);
  36 }
  37
  38 /* Select None */
  39
  40 int ql_selectnone_sensitive(void *extra) {
  41   struct queuelike *ql = extra;
  42   return gtk_tree_selection_count_selected_rows(ql->selection) > 0;
  43 }
  44
  45 void ql_selectnone_activate(GtkMenuItem attribute((unused)) *menuitem,
  46                             gpointer user_data) {
  47   struct queuelike *ql = user_data;
  48
  49   gtk_tree_selection_unselect_all(ql->selection);
  50 }
  51
  52 /* Properties */
  53
  54 int ql_properties_sensitive(void *extra) {
  55   struct queuelike *ql = extra;
  56   return gtk_tree_selection_count_selected_rows(ql->selection) > 0;
  57 }
  58
  59 void ql_properties_activate(GtkMenuItem attribute((unused)) *menuitem,
  60                             gpointer user_data) {
  61   struct queuelike *ql = user_data;
  62   struct vector v[1];
  63   GtkTreeIter iter[1];
  64
  65   vector_init(v);
  66   gtk_tree_model_get_iter_first(GTK_TREE_MODEL(ql->store), iter);
  67   for(struct queue_entry *q = ql->q; q; q = q->next) {
  68     if(gtk_tree_selection_iter_is_selected(ql->selection, iter))
  69       vector_append(v, (char *)q->track);
  70     gtk_tree_model_iter_next(GTK_TREE_MODEL(ql->store), iter);
  71   }
  72   if(v->nvec)
  73     properties(v->nvec, (const char **)v->vec);
  74 }
  75
  76 /* Scratch */
  77
  78 int ql_scratch_sensitive(void attribute((unused)) *extra) {
  79   return !!(last_state & DISORDER_PLAYING)
  80     && right_scratchable(last_rights, config->username, playing_track);
  81 }
  82
  83 static void ql_scratch_completed(void attribute((unused)) *v,
  84                                  const char *err) {
  85   if(err)
  86     popup_protocol_error(0, err);
  87 }
  88
  89 void ql_scratch_activate(GtkMenuItem attribute((unused)) *menuitem,
  90                          gpointer attribute((unused)) user_data) {
  91   disorder_eclient_scratch_playing(client, ql_scratch_completed, 0);
  92 }
  93
  94 /* Remove */
  95
  96 static void ql_remove_sensitive_callback(GtkTreeModel *model,
  97                                          GtkTreePath attribute((unused)) *path,
  98                                          GtkTreeIter *iter,
  99                                          gpointer data) {
 100   struct queue_entry *q = ql_iter_to_q(model, iter);
 101   const int removable = (q != playing_track
 102                          && right_removable(last_rights, config->username, q));
 103   int *const counts = data;
 104   ++counts[removable];
 105 }
 106
 107 int ql_remove_sensitive(void *extra) {
 108   struct queuelike *ql = extra;
 109   int counts[2] = { 0, 0 };
 110   gtk_tree_selection_selected_foreach(ql->selection,
 111                                       ql_remove_sensitive_callback,
 112                                       counts);
 113   /* Remove will work if we have at least some removable tracks selected, and
 114    * no unremovable ones */
 115   return counts[1] > 0 && counts[0] == 0;
 116 }
 117
 118 static void ql_remove_completed(void attribute((unused)) *v,
 119                                 const char *err) {
 120   if(err)
 121     popup_protocol_error(0, err);
 122 }
 123
 124 static void ql_remove_activate_callback(GtkTreeModel *model,
 125                                         GtkTreePath attribute((unused)) *path,
 126                                         GtkTreeIter *iter,
 127                                         gpointer attribute((unused)) data) {
 128   struct queue_entry *q = ql_iter_to_q(model, iter);
 129
 130   if(q != playing_track)
 131     disorder_eclient_remove(client, q->id, ql_remove_completed, q);
 132 }
 133
 134 void ql_remove_activate(GtkMenuItem attribute((unused)) *menuitem,
 135                         gpointer user_data) {
 136   struct queuelike *ql = user_data;
 137   gtk_tree_selection_selected_foreach(ql->selection,
 138                                       ql_remove_activate_callback,
 139                                       0);
 140 }
 141
 142 /* Play */
 143
 144 int ql_play_sensitive(void *extra) {
 145   struct queuelike *ql = extra;
 146   return (last_rights & RIGHT_PLAY)
 147     && gtk_tree_selection_count_selected_rows(ql->selection) > 0;
 148 }
 149
 150 static void ql_play_completed(void attribute((unused)) *v, const char *err) {
 151   if(err)
 152     popup_protocol_error(0, err);
 153 }
 154
 155 static void ql_play_activate_callback(GtkTreeModel *model,
 156                                       GtkTreePath attribute((unused)) *path,
 157                                       GtkTreeIter *iter,
 158                                       gpointer attribute((unused)) data) {
 159   struct queue_entry *q = ql_iter_to_q(model, iter);
 160
 161   disorder_eclient_play(client, q->track, ql_play_completed, q);
 162 }
 163
 164 void ql_play_activate(GtkMenuItem attribute((unused)) *menuitem,
 165                          gpointer user_data) {
 166   struct queuelike *ql = user_data;
 167   gtk_tree_selection_selected_foreach(ql->selection,
 168                                       ql_play_activate_callback,
 169                                       0);
 170 }
 171
 172 /** @brief Called when a button is released over a queuelike */
 173 gboolean ql_button_release(GtkWidget *widget,
 174                            GdkEventButton *event,
 175                            gpointer user_data) {
 176   struct queuelike *ql = user_data;
 177
 178   if(event->type == GDK_BUTTON_PRESS
 179      && event->button == 3) {
 180     /* Right button click. */
 181     ensure_selected(GTK_TREE_VIEW(widget), event);
 182     popup(&ql->menu, event, ql->menuitems, ql->nmenuitems, ql);
 183     return TRUE;                        /* hide the click from other widgets */
 184   }
 185
 186   return FALSE;
 187 }
 188
 189 struct tabtype *ql_tabtype(struct queuelike *ql) {
 190   static const struct tabtype queuelike_tabtype = {
 191     ql_properties_sensitive,
 192     ql_selectall_sensitive,
 193     ql_selectnone_sensitive,
 194     ql_properties_activate,
 195     ql_selectall_activate,
 196     ql_selectnone_activate,
 197     0,
 198     0
 199   };
 200
 201   ql->tabtype = queuelike_tabtype;
 202   ql->tabtype.extra = ql;
 203   return &ql->tabtype;
 204 }
 205
 206 /*
 207 Local Variables:
 208 c-basic-offset:2
 209 comment-column:40
 210 fill-column:79
 211 indent-tabs-mode:nil
 212 End:
 213 */