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69 lines
1.3 KiB
C#
69 lines
1.3 KiB
C#
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// GTK.Widget.cs - GTK Widget class implementation
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// (c) 2001 Mike Kestner
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namespace GTK {
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using System;
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using System.Runtime.InteropServices;
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public abstract class Widget : Object {
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/// <summary>
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/// ConnectEvents method
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/// </summary>
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///
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/// <remarks>
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/// Connects event handlers to the wrapped GTK widget.
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/// It is not possible to perform this connection in a
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/// constructor, since the leaf class constructor in which
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/// the wrapped object is created is not executed until
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/// after the base class' constructor.
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/// </remarks>
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protected void PrepareEvents ()
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{
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ConnectSignal ("delete-event",
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new SimpleCallback (EmitDeleteEvent));
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}
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private void EmitDeleteEvent (IntPtr obj)
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{
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if (Delete != null) {
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EventArgs args = new EventArgs ();
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Delete (this, args);
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}
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}
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/// <summary>
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/// Delete Event
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/// </summary>
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///
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/// <remarks>
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/// Occurs when the Widget is deleted by the window
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/// manager.
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/// </remarks>
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public event EventHandler Delete;
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/// <summary>
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/// Show Method
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/// </summary>
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///
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/// <remarks>
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/// Makes the Widget visible on the display.
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/// </remarks>
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[DllImport("gtk-1.3")]
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static extern void gtk_widget_show (IntPtr obj);
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public void Show ()
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{
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gtk_widget_show (obj);
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}
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}
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}
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