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Viewing changes to Docky.Widgets/Docky.Widgets/AnimatedWidget.cs

  • Committer: Bazaar Package Importer
  • Author(s): Christopher James Halse Rogers
  • Date: 2010-02-17 15:10:07 UTC
  • Revision ID: james.westby@ubuntu.com-20100217151007-msxpd0lsj300ndde
Tags: upstream-2.0.0
Import upstream version 2.0.0

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Docky.Widgets/Docky.Widgets/AnimatedWidget.cs
 
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//
 
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// AnimatedVboxActor.cs
 
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//
 
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// Authors:
 
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//   Scott Peterson <lunchtimemama@gmail.com>
 
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//
 
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// Copyright (C) 2008 Scott Peterson
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
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// the following conditions:
 
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//
 
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// The above copyright notice and this permission notice shall be
 
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// included in all copies or substantial portions of the Software.
 
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//
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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//
 
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using System;
 
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using System.Collections.Generic;
 
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using Gdk;
 
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using Gtk;
 
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//using Hyena.Gui.Theatrics;
 
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namespace Docky.Widgets
 
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{
 
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        internal enum AnimationState
 
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        {
 
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                Coming,
 
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                Idle,
 
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                IntendingToGo,
 
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                Going
 
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        }
 
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        internal class AnimatedWidget : Container
 
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        {
 
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                public event EventHandler WidgetDestroyed;
 
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                public Widget Widget;
 
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                public Easing Easing;
 
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                public Blocking Blocking;
 
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                public AnimationState AnimationState;
 
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                public uint Duration;
 
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                public double Bias = 1.0;
 
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                public int Width;
 
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                public int Height;
 
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                public int StartPadding;
 
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                public int EndPadding;
 
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                public LinkedListNode <AnimatedWidget> Node;
 
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                private readonly bool horizontal;
 
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                private double percent;
 
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                private Rectangle widget_alloc;
 
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                private Pixmap canvas;
 
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                public AnimatedWidget (Widget widget, uint duration, Easing easing, Blocking blocking, bool horizontal)
 
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                {
 
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                        this.horizontal = horizontal;
 
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                        Widget = widget;
 
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                        Duration = duration;
 
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                        Easing = easing;
 
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                        Blocking = blocking;
 
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                        AnimationState = AnimationState.Coming;
 
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                        Widget.Parent = this;
 
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                        Widget.Destroyed += OnWidgetDestroyed;
 
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                        ShowAll ();
 
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                }
 
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                protected AnimatedWidget (IntPtr raw) : base (raw)
 
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                {
 
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                }
 
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                public double Percent {
 
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                        get { return percent; }
 
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                        set {
 
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                                percent = value * Bias;
 
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                                QueueResizeNoRedraw ();
 
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                        }
 
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                }
 
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                private void OnWidgetDestroyed (object sender, EventArgs args)
 
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                {
 
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                        if (!IsRealized) {
 
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                                return;
 
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                        }
 
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                        canvas = new Pixmap (GdkWindow, widget_alloc.Width, widget_alloc.Height);
 
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                        canvas.DrawDrawable (Style.BackgroundGC (State), GdkWindow,
 
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                                             widget_alloc.X, widget_alloc.Y, 0, 0, widget_alloc.Width, widget_alloc.Height);
 
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                        if (AnimationState != AnimationState.Going) {
 
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                                WidgetDestroyed (this, args);
 
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                        }
 
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                }
 
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                #region Overrides
 
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                protected override void OnRemoved (Widget widget)
 
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                {
 
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                        if (widget == Widget) {
 
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                                widget.Unparent ();
 
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                                Widget = null;
 
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                        }
 
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                }
 
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                protected override void OnRealized ()
 
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                {
 
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                        WidgetFlags |= WidgetFlags.Realized;
 
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                        Gdk.WindowAttr attributes = new Gdk.WindowAttr ();
 
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                        attributes.WindowType = Gdk.WindowType.Child;
 
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                        attributes.Wclass = Gdk.WindowClass.InputOutput;
 
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                        attributes.EventMask = (int)Gdk.EventMask.ExposureMask;
 
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                        GdkWindow = new Gdk.Window (Parent.GdkWindow, attributes, 0);
 
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                        GdkWindow.UserData = Handle;
 
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                        GdkWindow.Background = Style.Background (State);
 
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                        Style.Attach (GdkWindow);
 
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                }
 
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                protected override void OnSizeRequested (ref Requisition requisition)
 
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                {
 
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                        if (Widget != null) {
 
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                                Requisition req = Widget.SizeRequest ();
 
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                                widget_alloc.Width = req.Width;
 
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                                widget_alloc.Height = req.Height;
 
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                        }
 
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                        if (horizontal) {
 
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                                Width = Choreographer.PixelCompose (percent, widget_alloc.Width + StartPadding + EndPadding, Easing);
 
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                                Height = widget_alloc.Height;
 
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                        } else {
 
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                                Width = widget_alloc.Width;
 
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                                Height = Choreographer.PixelCompose (percent, widget_alloc.Height + StartPadding + EndPadding, Easing);
 
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                        }
 
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                        requisition.Width = Width;
 
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                        requisition.Height = Height;
 
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                }
 
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                protected override void OnSizeAllocated (Rectangle allocation)
 
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                {
 
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                        base.OnSizeAllocated (allocation);
 
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                        if (Widget != null) {
 
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                                if (horizontal) {
 
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                                        widget_alloc.Height = allocation.Height;
 
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                                        widget_alloc.X = StartPadding;
 
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                                        if (Blocking == Blocking.Downstage) {
 
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                                                widget_alloc.X += allocation.Width - widget_alloc.Width;
 
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                                        }
 
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                                } else {
 
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                                        widget_alloc.Width = allocation.Width;
 
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                                        widget_alloc.Y = StartPadding;
 
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                                        if (Blocking == Blocking.Downstage) {
 
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                                                widget_alloc.Y = allocation.Height - widget_alloc.Height;
 
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                                        }
 
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                                }
 
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                                Widget.SizeAllocate (widget_alloc);
 
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                        }
 
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                }
 
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                protected override bool OnExposeEvent (EventExpose evnt)
 
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                {
 
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                        if (canvas != null) {
 
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                                GdkWindow.DrawDrawable (Style.BackgroundGC (State), canvas,
 
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                                                        0, 0, widget_alloc.X, widget_alloc.Y, widget_alloc.Width, widget_alloc.Height);
 
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                                return true;
 
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                        } else {
 
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                                return base.OnExposeEvent (evnt);
 
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                        }
 
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                }
 
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                protected override void ForAll (bool include_internals, Callback callback)
 
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                {
 
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                        if (Widget != null) {
 
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                                callback (Widget);
 
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                        }
 
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                }
 
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                #endregion
 
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        }
 
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}
 
 
b'\\ No newline at end of file'