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Viewing changes to src/addins/MonoDevelop.GtkCore/lib/stetic/libsteticui/WidgetTreeCombo.cs

  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2009-02-18 08:40:51 UTC
  • mfrom: (1.2.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20090218084051-gh8m6ukvokbwj7cf
Tags: 1.9.2+dfsg-1ubuntu1
https://launchpad.net/bugs/330519
* Merge from Debian Experimental (LP: #330519), remaining Ubuntu changes:
  + debian/control:
    - Update for Gnome# 2.24
    - Add libmono-cairo1.0-cil to build-deps to fool pkg-config check

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src/addins/MonoDevelop.GtkCore/lib/stetic/libsteticui/WidgetTreeCombo.cs
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using System;
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using Gtk;
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namespace Stetic
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{
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        internal class WidgetTreeCombo: Button
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        {
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                Label label;
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                Image image;
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                Stetic.Wrapper.Widget rootWidget;
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                Stetic.IProject project;
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                Stetic.Wrapper.Widget selection;
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                WidgetTreePopup popup;
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                public WidgetTreeCombo ()
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                {
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                        label = new Label ();
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                        image = new Gtk.Image ();
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                        HBox bb = new HBox ();
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                        bb.PackStart (image, false, false, 3);
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                        bb.PackStart (label, true, true, 3);
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                        label.Xalign = 0;
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                        label.HeightRequest = 18;
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                        bb.PackStart (new VSeparator (), false, false, 1);
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                        bb.PackStart (new Arrow (ArrowType.Down, ShadowType.None), false, false, 1);
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                        Child = bb;
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                        this.WidthRequest = 300;
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                        Sensitive = false;
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                }
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                public override void Dispose ()
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                {
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                        if (popup != null)
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                                popup.Destroy ();
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                        base.Dispose ();
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                }
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                public Stetic.Wrapper.Widget RootWidget {
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                        get { return rootWidget; }
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                        set {
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                                rootWidget = value;
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                                Sensitive = rootWidget != null;
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                                if (rootWidget != null)
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                                        project = rootWidget.Project;
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                                Update ();
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                        }
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                }
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                public void SetSelection (Stetic.Wrapper.Widget widget) 
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                {
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                        selection = widget;
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                        Update ();
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                }
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                void Update ()
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                {
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                        if (selection != null) {
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                                label.Text = selection.Wrapped.Name;
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                                image.Pixbuf = selection.ClassDescriptor.Icon.ScaleSimple (16, 16, Gdk.InterpType.Bilinear);
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                                image.Show ();
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                        } else {
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                                label.Text = "             ";
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                                image.Hide ();
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                        }
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                }
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                protected override void OnPressed ()
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                {
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                        base.OnPressed ();
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                        if (popup == null) {
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                                popup = new WidgetTreePopup (project);
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                                popup.WidgetActivated += OnPopupActivated;
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                                popup.SetDefaultSize (Allocation.Width, 500);
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                        }
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                        else if (popup.Visible) {
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                                popup.Hide ();
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                                return;
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                        }
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                        int x, y;
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                        ParentWindow.GetOrigin (out x, out y);
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                        x += Allocation.X;
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                        y += Allocation.Y + Allocation.Height;
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                        popup.Fill (RootWidget.Wrapped);
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                        popup.Move (x, y);
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                        popup.ShowAll ();
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                }
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                protected override bool OnFocusOutEvent (Gdk.EventFocus evnt)
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                {
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                        if (popup != null)
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                                popup.Hide ();
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                        return base.OnFocusOutEvent (evnt);
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                }
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                void OnPopupActivated (object s, EventArgs a)
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                {
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                        popup.Hide ();
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                        Stetic.Wrapper.Widget wrapper = Stetic.Wrapper.Widget.Lookup (popup.Selection);
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                        GLib.Timeout.Add (10, delegate {
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                                wrapper.Select ();
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                                return false;
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                        });
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                }
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        }
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        class WidgetTreePopup: Window
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        {
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                TreeView tree;
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                TreeStore store;
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                Gtk.Widget selection;
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                Stetic.IProject project;
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                public event EventHandler WidgetActivated;
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                public WidgetTreePopup (Stetic.IProject project): base (WindowType.Popup)
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                {
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                        this.project = project;
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                        Gtk.Frame frame = new Frame ();
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                        frame.ShadowType = Gtk.ShadowType.Out;
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                        Add (frame);
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                        Gtk.ScrolledWindow sc = new ScrolledWindow ();
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                        sc.VscrollbarPolicy = PolicyType.Automatic;
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                        sc.HscrollbarPolicy = PolicyType.Automatic;
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                        frame.Add (sc);
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                        tree = new TreeView ();
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                        store = new TreeStore (typeof(Gdk.Pixbuf), typeof(string), typeof(Widget));
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                        tree.Model = store;
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                        tree.HeadersVisible = false;
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                        TreeViewColumn col = new TreeViewColumn ();
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                        CellRendererPixbuf cr = new CellRendererPixbuf ();
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                        col.PackStart (cr, false);
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                        col.AddAttribute (cr, "pixbuf", 0);
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                        CellRendererText tr = new CellRendererText ();
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                        col.PackStart (tr, true);
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                        col.AddAttribute (tr, "markup", 1);
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                        tree.AppendColumn (col);
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                        tree.ButtonReleaseEvent += OnButtonRelease;
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                        tree.RowActivated += OnButtonRelease;
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                        sc.Add (tree);
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                        tree.GrabFocus ();
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                }
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                public void Fill (Gtk.Widget widget)
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                {
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                        store.Clear ();
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                        Fill (TreeIter.Zero, widget);
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                }
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                public void Fill (TreeIter iter, Gtk.Widget widget)
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                {
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                        Stetic.Wrapper.Widget wrapper = Stetic.Wrapper.Widget.Lookup (widget);
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                        if (wrapper == null) return;
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                        if (!wrapper.Unselectable) {
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                                Gdk.Pixbuf icon = wrapper.ClassDescriptor.Icon.ScaleSimple (16, 16, Gdk.InterpType.Bilinear);
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                                string txt;
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                                if (widget == project.Selection)
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                                        txt = "<b>" + GLib.Markup.EscapeText (widget.Name) + "</b>";
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                                else
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                                        txt = GLib.Markup.EscapeText (widget.Name);
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                                if (!iter.Equals (TreeIter.Zero))
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                                        iter = store.AppendValues (iter, icon, txt, widget);
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                                else
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                                        iter = store.AppendValues (icon, txt, widget);
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                        }
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                        Gtk.Container cc = widget as Gtk.Container;
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                        if (cc != null && wrapper.ClassDescriptor.AllowChildren) {
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                                foreach (Gtk.Widget child in cc.Children)
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                                        Fill (iter, child);
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                        }
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                        if (widget == project.Selection) {
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                                tree.ExpandToPath (store.GetPath (iter));
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                                tree.ExpandRow (store.GetPath (iter), false);
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                                tree.Selection.SelectIter (iter);
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                        }
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                }
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                public Gtk.Widget Selection {
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                        get { return selection; }
196
 
                }
197
 
                
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                void OnButtonRelease (object s, EventArgs a)
199
 
                {
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                        NotifyActivated ();
201
 
                }
202
 
                
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                void NotifyActivated ()
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                {
205
 
                        TreeIter iter;
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                        if (!tree.Selection.GetSelected (out iter))
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                                return;
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                        selection = (Gtk.Widget) store.GetValue (iter, 2);
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                        if (WidgetActivated != null)
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                                WidgetActivated (this, EventArgs.Empty);
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                }
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        }
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}