Util/GtkUtils.cs

   1 //
   2 // These are shamelessly stolen from Tomboy.
   3 //
   4
   5 using System;
   6
   7 namespace Beagle.Util
   8 {
   9         public class GuiUtils
  10         {
  11                 public static void GetMenuPosition (Gtk.Menu menu,
  12                                                     out int  x,
  13                                                     out int  y,
  14                                                     out bool push_in)
  15                 {
  16                         Gtk.Requisition menu_req = menu.SizeRequest ();
  17
  18                         menu.AttachWidget.GdkWindow.GetOrigin (out x, out y);
  19
  20                         if (y + menu_req.Height >= menu.AttachWidget.Screen.Height)
  21                                 y -= menu_req.Height;
  22                         else
  23                                 y += menu.AttachWidget.Allocation.Height;
  24
  25                         push_in = true;
  26                 }
  27
  28                 static void DeactivateMenu (object sender, EventArgs args)
  29                 {
  30                         Gtk.Menu menu = (Gtk.Menu) sender;
  31                         menu.Popdown ();
  32                 }
  33
  34                 // Place the menu underneath an arbitrary parent widget.  The
  35                 // parent widget must be set using menu.AttachToWidget before
  36                 // calling this
  37                 public static void PopupMenu (Gtk.Menu menu, Gdk.EventButton ev)
  38                 {
  39                         menu.Deactivated += new EventHandler (DeactivateMenu);
  40                         menu.Popup (null,
  41                                     null,
  42                                     new Gtk.MenuPositionFunc (GetMenuPosition),
  43                                     (ev == null) ? 0 : ev.Button,
  44                                     (ev == null) ? Gtk.Global.CurrentEventTime : ev.Time);
  45                 }
  46
  47                 public static Gdk.Pixbuf GetMiniIcon (string resource_name)
  48                 {
  49                         Gdk.Pixbuf noicon = new Gdk.Pixbuf (null, resource_name);
  50                         return noicon.ScaleSimple (24, 24, Gdk.InterpType.Nearest);
  51                 }
  52
  53                 public static Gtk.Button MakeImageButton (Gtk.Image image, string label)
  54                 {
  55                         Gtk.HBox box = new Gtk.HBox (false, 2);
  56                         box.PackStart (image, false, false, 0);
  57                         box.PackEnd (new Gtk.Label (label), false, false, 0);
  58                         box.ShowAll ();
  59
  60                         Gtk.Button button = new Gtk.Button ();
  61
  62                         Gtk.Alignment align = new Gtk.Alignment (0.5f, 0.5f, 0.0f, 0.0f);
  63                         align.Add (box);
  64                         align.Show ();
  65
  66                         button.Add (align);
  67                         return button;
  68                 }
  69
  70                 public static Gtk.Button MakeImageButton (string stock_id, string label)
  71                 {
  72                         Gtk.Image image = new Gtk.Image (stock_id, Gtk.IconSize.Button);
  73                         return MakeImageButton (image, label);
  74                 }
  75         }
  76
  77         public class GlobalKeybinder
  78         {
  79                 Gtk.AccelGroup accel_group;
  80                 Gtk.Menu fake_menu;
  81
  82                 public GlobalKeybinder (Gtk.AccelGroup accel_group)
  83                 {
  84                         this.accel_group = accel_group;
  85
  86                         fake_menu = new Gtk.Menu ();
  87                         fake_menu.AccelGroup = accel_group;
  88                 }
  89
  90                 public void AddAccelerator (EventHandler handler,
  91                                             uint key,
  92                                             Gdk.ModifierType modifiers,
  93                                             Gtk.AccelFlags flags)
  94                 {
  95                         Gtk.MenuItem foo = new Gtk.MenuItem ();
  96                         foo.Activated += handler;
  97                         foo.AddAccelerator ("activate",
  98                                             accel_group,
  99                                             key,
 100                                             modifiers,
 101                                             flags);
 102                         foo.Show ();
 103
 104                         fake_menu.Append (foo);
 105                 }
 106         }
 107 }