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 !!playing_track;
  76 }
  77
  78 void ql_scratch_activate(GtkMenuItem attribute((unused)) *menuitem,
  79                          gpointer attribute((unused)) user_data) {
  80   /* TODO */
  81 }
  82
  83 /* Remove */
  84
  85 int ql_remove_sensitive(struct queuelike *ql) {
  86   return gtk_tree_selection_count_selected_rows(ql->selection) > 0;
  87   /* TODO ... but not if only selected track is playing track */
  88 }
  89
  90 void ql_remove_activate(GtkMenuItem attribute((unused)) *menuitem,
  91                         gpointer attribute((unused)) user_data) {
  92   /* TODO */
  93 }
  94
  95 /* Play */
  96
  97 int ql_play_sensitive(struct queuelike *ql) {
  98   return gtk_tree_selection_count_selected_rows(ql->selection) > 0;
  99 }
 100
 101 void ql_play_activate(GtkMenuItem attribute((unused)) *menuitem,
 102                          gpointer attribute((unused)) user_data) {
 103   /* TODO */
 104 }
 105
 106
 107 /** @brief Create @c ql->menu if it does not already exist */
 108 static void ql_create_menu(struct queuelike *ql) {
 109   if(ql->menu)
 110     return;
 111   ql->menu = gtk_menu_new();
 112   g_signal_connect(ql->menu, "destroy",
 113                    G_CALLBACK(gtk_widget_destroyed), &ql->menu);
 114   for(int n = 0; n < ql->nmenuitems; ++n) {
 115     ql->menuitems[n].w = gtk_menu_item_new_with_label(ql->menuitems[n].name);
 116     gtk_menu_attach(GTK_MENU(ql->menu), ql->menuitems[n].w, 0, 1, n, n + 1);
 117   }
 118   set_tool_colors(ql->menu);
 119 }
 120
 121 /** @brief Configure @c ql->menu */
 122 static void ql_configure_menu(struct queuelike *ql) {
 123   /* Set the sensitivity of each menu item and (re-)establish the signal
 124    * handlers */
 125   for(int n = 0; n < ql->nmenuitems; ++n) {
 126     if(ql->menuitems[n].handlerid)
 127       g_signal_handler_disconnect(ql->menuitems[n].w,
 128                                   ql->menuitems[n].handlerid);
 129     gtk_widget_set_sensitive(ql->menuitems[n].w,
 130                              ql->menuitems[n].sensitive(ql));
 131     ql->menuitems[n].handlerid = g_signal_connect
 132       (ql->menuitems[n].w, "activate",
 133        G_CALLBACK(ql->menuitems[n].activate), ql);
 134   }
 135 }
 136
 137 /** @brief Called when a button is released over a queuelike */
 138 gboolean ql_button_release(GtkWidget*widget,
 139                            GdkEventButton *event,
 140                            gpointer user_data) {
 141   struct queuelike *ql = user_data;
 142
 143   if(event->type == GDK_BUTTON_PRESS
 144      && event->button == 3) {
 145     /* Right button click. */
 146     if(gtk_tree_selection_count_selected_rows(ql->selection) == 0) {
 147       /* Nothing is selected, select whatever is under the pointer */
 148       GtkTreePath *path;
 149       if(gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
 150                                        event->x, event->y,
 151                                        &path,
 152                                        NULL,
 153                                        NULL, NULL))
 154         gtk_tree_selection_select_path(ql->selection, path);
 155     }
 156     ql_create_menu(ql);
 157     ql_configure_menu(ql);
 158     gtk_widget_show_all(ql->menu);
 159     gtk_menu_popup(GTK_MENU(ql->menu), 0, 0, 0, 0,
 160                    event->button, event->time);
 161     return TRUE;                        /* hide the click from other widgets */
 162   }
 163
 164   return FALSE;
 165 }
 166
 167 static int ql_tab_selectall_sensitive(void *extra) {
 168   return ql_selectall_sensitive(extra);
 169 }
 170
 171 static void ql_tab_selectall_activate(void *extra) {
 172   ql_selectall_activate(NULL, extra);
 173 }
 174
 175 static int ql_tab_selectnone_sensitive(void *extra) {
 176   return ql_selectnone_sensitive(extra);
 177 }
 178
 179 static void ql_tab_selectnone_activate(void *extra) {
 180   ql_selectnone_activate(NULL, extra);
 181 }
 182
 183 static int ql_tab_properties_sensitive(void *extra) {
 184   return ql_properties_sensitive(extra);
 185 }
 186
 187 static void ql_tab_properties_activate(void *extra) {
 188   ql_properties_activate(NULL, extra);
 189 }
 190
 191 struct tabtype *ql_tabtype(struct queuelike *ql) {
 192   static const struct tabtype ql_tabtype = {
 193     ql_tab_properties_sensitive,
 194     ql_tab_selectall_sensitive,
 195     ql_tab_selectnone_sensitive,
 196     ql_tab_properties_activate,
 197     ql_tab_selectall_activate,
 198     ql_tab_selectnone_activate,
 199     0,
 200     0
 201   };
 202
 203   struct tabtype *t = xmalloc(sizeof *t);
 204   *t = ql_tabtype;
 205   t->extra = ql;
 206   return t;
 207 }
 208
 209 /*
 210 Local Variables:
 211 c-basic-offset:2
 212 comment-column:40
 213 fill-column:79
 214 indent-tabs-mode:nil
 215 End:
 216 */