src/Widgets/gmpc-rating.vala

   1 /* Gnome Music Player Client (GMPC)
   2  * Copyright (C) 2004-2014 Qball Cow <qball@sarine.nl>
   3  * Project homepage: http://gmpc.wikia.com/
   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,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 using GLib;
  21 using Gtk;
  22 using Gdk;
  23 using Cairo;
  24 using MPD;
  25 using Gmpc;
  26
  27
  28
  29 public class Gmpc.Rating : Gtk.Frame
  30 {
  31     private const bool use_transition = Gmpc.use_transition;
  32     private unowned MPD.Server server  = null;
  33     private MPD.Song song       = null;
  34     private Gtk.Image[] rat;
  35     private Gtk.HBox    box;
  36     public Gtk.EventBox event_box;
  37     private int rating = -1;
  38     static int id = id+1;
  39
  40     private ulong status_changed_id = 0;
  41
  42     ~Rating() {
  43         if (this.status_changed_id > 0 &&  GLib.SignalHandler.is_connected(gmpcconn,
  44         this.status_changed_id)) {
  45             GLib.SignalHandler.disconnect(gmpcconn, this.status_changed_id);
  46             this.status_changed_id = 0;
  47         }
  48
  49     }
  50     public bool button_press_event_callback(Gtk.Widget wid, Gdk.EventButton event)
  51     {
  52         if(event.type == Gdk.EventType.BUTTON_RELEASE)
  53         {
  54             if(event.button == 1)
  55             {
  56                 Gtk.Allocation ns;
  57                 this.event_box.get_allocation(out ns);
  58                 int width = ns.width;
  59                 int button = (int)((((event.x)/(double)width)+0.15)*5);
  60                 if(button == rating) { button = 0; }
  61                 MPD.Sticker.Song.set(this.server, this.song.file, "rating", (button*2).to_string());
  62                 this.set_rating(button);
  63             }
  64         }
  65
  66         return false;
  67     }
  68
  69     private void status_changed ( MPD.Server server, MPD.Status.Changed what,Gmpc.Connection conn)
  70     {
  71         if(((what&MPD.Status.Changed.STICKER) != 0))
  72         {
  73             this.update();
  74         }
  75     }
  76
  77     public Rating (MPD.Server server, MPD.Song song) {
  78         this.server = server;
  79         this.song = song.copy();
  80         this.update();
  81         this.status_changed_id = GLib.Signal.connect_swapped(gmpcconn, "status_changed",
  82         (GLib.Callback)status_changed, this);
  83     }
  84
  85     construct {
  86         int i;
  87         this.shadow_type = Gtk.ShadowType.NONE;
  88
  89         this.box = new Gtk.HBox(true,6);
  90         this.rat = new Gtk.Image[5];
  91         this.event_box = new Gtk.EventBox();
  92         this.event_box.visible_window = false;
  93         this.event_box.set_above_child(true);
  94
  95         for(i=0;i<5;i++) {
  96             // Copy value.
  97             var curr_entry = i+1;
  98             this.rat[i] = new Gtk.Image.from_icon_name("rating", Gtk.IconSize.MENU);
  99             this.box.pack_start(this.rat[i], false, false, 0);
 100         }
 101
 102         this.event_box.add(this.box);
 103         this.event_box.button_release_event.connect(button_press_event_callback);
 104         this.add(this.event_box);
 105         this.show_all();
 106     }
 107
 108
 109     public void set_rating(int rating)
 110     {
 111         int i=0;
 112         if(rating != this.rating)
 113         {
 114             for(i=0;i<5;i++)
 115             {
 116                 this.rat[i].sensitive = i<rating;
 117             }
 118             this.rating = rating;
 119         }
 120     }
 121     public void update()
 122     {
 123         var value = MPD.Sticker.Song.get(this.server,this.song.file, "rating");
 124         if(value == null) {
 125             this.set_rating(0);
 126         } else {
 127             this.set_rating(value.to_int()/2);
 128         }
 129     }
 130 }