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

   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 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 "choose.h"
  23
  24 VECTOR_TYPE(cdvector, struct choosedata *, xrealloc);
  25
  26 /** @brief Popup menu */
  27 static GtkWidget *choose_menu;
  28
  29 /** @brief Callback for choose_get_selected() */
  30 static void choose_gather_selected_callback(GtkTreeModel attribute((unused)) *model,
  31                                             GtkTreePath attribute((unused)) *path,
  32                                             GtkTreeIter *iter,
  33                                             gpointer data) {
  34   struct cdvector *v = data;
  35   struct choosedata *cd = choose_iter_to_data(iter);
  36
  37   if(cd)
  38     cdvector_append(v, cd);
  39 }
  40
  41 /** @brief Get a list of all selected tracks and directories */
  42 static struct choosedata **choose_get_selected(int *nselected) {
  43   struct cdvector v[1];
  44
  45   cdvector_init(v);
  46   gtk_tree_selection_selected_foreach(choose_selection,
  47                                       choose_gather_selected_callback,
  48                                       v);
  49   cdvector_terminate(v);
  50   if(nselected)
  51     *nselected = v->nvec;
  52   return v->vec;
  53 }
  54
  55 static int choose_selectall_sensitive(void attribute((unused)) *extra) {
  56   return TRUE;
  57 }
  58
  59 static void choose_selectall_activate(GtkMenuItem attribute((unused)) *item,
  60                                       gpointer attribute((unused)) userdata) {
  61   gtk_tree_selection_select_all(choose_selection);
  62 }
  63
  64 static int choose_selectnone_sensitive(void attribute((unused)) *extra) {
  65   return gtk_tree_selection_count_selected_rows(choose_selection) > 0;
  66 }
  67
  68 static void choose_selectnone_activate(GtkMenuItem attribute((unused)) *item,
  69                                        gpointer attribute((unused)) userdata) {
  70   gtk_tree_selection_unselect_all(choose_selection);
  71 }
  72
  73 static int choose_play_sensitive(void attribute((unused)) *extra) {
  74   struct choosedata *cd, **cdp = choose_get_selected(NULL);
  75   int counts[2] = { 0, 0 };
  76   while((cd = *cdp++))
  77     ++counts[cd->type];
  78   return !counts[CHOOSE_DIRECTORY] && counts[CHOOSE_FILE];
  79 }
  80
  81 static void choose_play_completed(void attribute((unused)) *v,
  82                                   const char *error) {
  83   if(error)
  84     popup_protocol_error(0, error);
  85 }
  86
  87 static void choose_play_activate(GtkMenuItem attribute((unused)) *item,
  88                                  gpointer attribute((unused)) userdata) {
  89   struct choosedata *cd, **cdp = choose_get_selected(NULL);
  90   while((cd = *cdp++)) {
  91     if(cd->type == CHOOSE_FILE)
  92       disorder_eclient_play(client, xstrdup(cd->track),
  93                             choose_play_completed, 0);
  94   }
  95 }
  96
  97 static int choose_properties_sensitive(void *extra) {
  98   return choose_play_sensitive(extra);
  99 }
 100
 101 static void choose_properties_activate(GtkMenuItem attribute((unused)) *item,
 102                                        gpointer attribute((unused)) userdata) {
 103   struct choosedata *cd, **cdp = choose_get_selected(NULL);
 104   struct vector v[1];
 105   vector_init(v);
 106   while((cd = *cdp++))
 107     vector_append(v, xstrdup(cd->track));
 108   properties(v->nvec, (const char **)v->vec);
 109 }
 110
 111 /** @brief Pop-up menu for choose */
 112 static struct menuitem choose_menuitems[] = {
 113   {
 114     "Play track",
 115     choose_play_activate,
 116     choose_play_sensitive,
 117     0,
 118     0
 119   },
 120   {
 121     "Track properties",
 122     choose_properties_activate,
 123     choose_properties_sensitive,
 124     0,
 125     0
 126   },
 127   {
 128     "Select all tracks",
 129     choose_selectall_activate,
 130     choose_selectall_sensitive,
 131     0,
 132     0
 133   },
 134   {
 135     "Deselect all tracks",
 136     choose_selectnone_activate,
 137     choose_selectnone_sensitive,
 138     0,
 139     0
 140   },
 141 };
 142
 143 const struct tabtype choose_tabtype = {
 144   choose_properties_sensitive,
 145   choose_selectall_sensitive,
 146   choose_selectnone_sensitive,
 147   choose_properties_activate,
 148   choose_selectall_activate,
 149   choose_selectnone_activate,
 150   0,
 151   0
 152 };
 153
 154 /** @brief Called when a mouse button is pressed or released */
 155 gboolean choose_button_event(GtkWidget attribute((unused)) *widget,
 156                              GdkEventButton *event,
 157                              gpointer attribute((unused)) user_data) {
 158   if(event->type == GDK_BUTTON_RELEASE && event->button == 2) {
 159     /* Middle click release - play track */
 160     ensure_selected(GTK_TREE_VIEW(choose_view), event);
 161     choose_play_activate(NULL, NULL);
 162   } else if(event->type == GDK_BUTTON_PRESS && event->button == 3) {
 163     /* Right click press - pop up the menu */
 164     ensure_selected(GTK_TREE_VIEW(choose_view), event);
 165     popup(&choose_menu, event,
 166           choose_menuitems, sizeof choose_menuitems / sizeof *choose_menuitems,
 167           0);
 168     return TRUE;
 169   }
 170   return FALSE;
 171 }
 172
 173 /*
 174 Local Variables:
 175 c-basic-offset:2
 176 comment-column:40
 177 fill-column:79
 178 indent-tabs-mode:nil
 179 End:
 180 */