2001-09-27 19:17:33 +02:00
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// GLib.Value.cs - GLib Value class implementation
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2001-09-19 13:37:15 +02:00
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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 GLib {
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using System;
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using System.Runtime.InteropServices;
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2001-09-27 19:17:33 +02:00
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/// <summary>
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/// Value Class
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/// </summary>
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///
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/// <remarks>
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/// An arbitrary data type similar to a CORBA Any which is used
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/// to get and set properties on Objects.
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/// </remarks>
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public class Value {
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2001-09-19 13:37:15 +02:00
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2001-09-27 19:17:33 +02:00
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IntPtr _val;
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2001-09-19 13:37:15 +02:00
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2001-09-28 02:28:30 +02:00
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2002-05-02 23:57:41 +02:00
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// Destructor is required since we are allocating unmanaged
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2001-09-28 02:28:30 +02:00
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// heap resources.
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2002-03-28 22:16:43 +01:00
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[DllImport("glib-2.0")]
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2001-09-27 19:17:33 +02:00
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static extern void g_free (IntPtr mem);
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2001-09-19 13:37:15 +02:00
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2001-09-28 02:28:30 +02:00
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~Value ()
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{
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g_free (_val);
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}
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2002-05-02 23:57:41 +02:00
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// import the glue function to allocate values on heap
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[DllImport("gtksharpglue")]
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static extern IntPtr gtksharp_value_create(TypeFundamentals type);
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2002-06-05 23:59:10 +02:00
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[DllImport("gtksharpglue")]
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static extern IntPtr gtksharp_value_create_from_property(IntPtr obj, string name);
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2002-05-02 23:57:41 +02:00
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// Constructor to wrap a raw GValue ref. We need the dummy param
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// to distinguish this ctor from the TypePointer ctor.
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public Value (IntPtr val, IntPtr dummy)
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{
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_val = val;
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}
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2002-10-05 07:12:00 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a new empty value that can be used
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/// to receive "out" GValue parameters.
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/// </remarks>
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public Value () {
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_val = gtksharp_value_create (TypeFundamentals.TypeInvalid);
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}
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2002-06-05 23:59:10 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value corresponding to the type of the
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/// specified property.
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/// </remarks>
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public Value (IntPtr obj, string prop_name)
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{
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_val = gtksharp_value_create_from_property (obj, prop_name);
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_boolean (IntPtr val,
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bool data);
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2001-09-19 13:37:15 +02:00
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/// <summary>
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2001-09-27 19:17:33 +02:00
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/// Value Constructor
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2001-09-19 13:37:15 +02:00
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/// </summary>
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///
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/// <remarks>
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2002-05-02 23:57:41 +02:00
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/// Constructs a Value from a specified boolean.
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2001-09-28 02:28:30 +02:00
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/// </remarks>
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2002-05-02 23:57:41 +02:00
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public Value (bool val)
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{
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_val = gtksharp_value_create(TypeFundamentals.TypeBoolean);
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g_value_set_boolean (_val, val);
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_boxed (IntPtr val, IntPtr data);
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2002-05-02 23:57:41 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value from a specified boxed type.
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/// </remarks>
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2001-09-28 02:28:30 +02:00
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2002-05-02 23:57:41 +02:00
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public Value (GLib.Boxed val)
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2002-07-26 08:08:52 +02:00
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{
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_val = gtksharp_value_create(TypeFundamentals.TypeBoxed);
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//g_value_set_boxed (_val, val.Handle);
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}
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public Value (IntPtr obj, string prop_name, Boxed val)
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{
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_val = gtksharp_value_create_from_property (obj, prop_name);
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//g_value_set_boxed (_val, val.Handle);
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}
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public Value (GLib.Opaque val)
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2001-09-28 02:28:30 +02:00
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{
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2002-05-02 23:57:41 +02:00
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_val = gtksharp_value_create(TypeFundamentals.TypeBoxed);
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g_value_set_boxed (_val, val.Handle);
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2001-09-28 02:28:30 +02:00
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_double (IntPtr val, double data);
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2001-09-28 20:23:14 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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2002-05-02 23:57:41 +02:00
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/// Constructs a Value from a specified double.
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2001-09-28 20:23:14 +02:00
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/// </remarks>
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2002-05-02 23:57:41 +02:00
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public Value (double val)
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2001-09-28 20:23:14 +02:00
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{
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2002-05-02 23:57:41 +02:00
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_val = gtksharp_value_create (TypeFundamentals.TypeDouble);
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g_value_set_double (_val, val);
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2001-09-28 20:23:14 +02:00
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_float (IntPtr val, float data);
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2001-09-28 02:28:30 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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2002-05-02 23:57:41 +02:00
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/// Constructs a Value from a specified float.
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2001-09-19 13:37:15 +02:00
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/// </remarks>
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2002-05-02 23:57:41 +02:00
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public Value (float val)
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2001-09-27 19:17:33 +02:00
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{
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2002-05-02 23:57:41 +02:00
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_val = gtksharp_value_create (TypeFundamentals.TypeFloat);
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g_value_set_float (_val, val);
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2001-09-27 19:17:33 +02:00
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}
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2001-09-19 13:37:15 +02:00
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_int (IntPtr val, int data);
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2001-09-29 22:08:30 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value from a specified integer.
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/// </remarks>
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2002-05-02 23:57:41 +02:00
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public Value (int val)
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2001-09-29 22:08:30 +02:00
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{
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2002-05-02 23:57:41 +02:00
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_val = gtksharp_value_create (TypeFundamentals.TypeInt);
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2001-09-29 22:08:30 +02:00
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g_value_set_int (_val, val);
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_object (IntPtr val, IntPtr data);
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2002-05-02 23:57:41 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value from a specified object.
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/// </remarks>
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public Value (GLib.Object val)
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{
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_val = gtksharp_value_create (TypeFundamentals.TypeObject);
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g_value_set_object (_val, val.Handle);
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_pointer (IntPtr val, IntPtr data);
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2002-05-02 23:57:41 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value from a specified pointer.
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/// </remarks>
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public Value (IntPtr val)
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{
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_val = gtksharp_value_create (TypeFundamentals.TypePointer);
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g_value_set_pointer (_val, val);
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_string (IntPtr val, string data);
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2001-09-28 02:28:30 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value from a specified string.
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/// </remarks>
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2002-05-02 23:57:41 +02:00
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public Value (string val)
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2001-09-19 13:37:15 +02:00
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{
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2002-05-02 23:57:41 +02:00
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_val = gtksharp_value_create (TypeFundamentals.TypeString);
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2002-04-19 18:17:47 +02:00
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g_value_set_string (_val, val);
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2001-09-28 02:28:30 +02:00
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_uint (IntPtr val, uint data);
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2001-09-28 02:28:30 +02:00
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/// <summary>
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2002-05-02 23:57:41 +02:00
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/// Value Constructor
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2001-09-28 02:28:30 +02:00
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/// </summary>
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///
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/// <remarks>
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2002-05-02 23:57:41 +02:00
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/// Constructs a Value from a specified uint.
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2001-09-28 02:28:30 +02:00
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/// </remarks>
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2002-05-02 23:57:41 +02:00
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public Value (uint val)
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2001-09-28 02:28:30 +02:00
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{
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2002-05-02 23:57:41 +02:00
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_val = gtksharp_value_create (TypeFundamentals.TypeUInt);
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g_value_set_uint (_val, val);
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2001-09-28 02:28:30 +02:00
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}
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2002-10-27 03:30:51 +01:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value from a specified ushort.
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/// </remarks>
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public Value (ushort val)
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{
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_val = gtksharp_value_create (TypeFundamentals.TypeUInt);
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g_value_set_uint (_val, val);
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}
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2002-06-25 00:04:10 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_enum (IntPtr val, int data);
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2002-08-04 00:24:37 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_value_set_flags (IntPtr val, uint data);
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2002-06-25 00:04:10 +02:00
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/// <summary>
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/// Value Constructor
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/// </summary>
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///
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/// <remarks>
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/// Constructs a Value from a specified enum wrapper.
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/// </remarks>
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public Value (IntPtr obj, string prop_name, EnumWrapper wrap)
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{
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_val = gtksharp_value_create_from_property (obj, prop_name);
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2002-08-04 00:24:37 +02:00
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if (wrap.flags)
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g_value_set_flags (_val, (uint) (int) wrap);
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else
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g_value_set_enum (_val, (int) wrap);
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2002-06-25 00:04:10 +02:00
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern bool g_value_get_boolean (IntPtr val);
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2001-09-28 02:28:30 +02:00
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/// <summary>
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/// Value to Boolean Conversion
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/// </summary>
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///
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/// <remarks>
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/// Extracts a bool from a Value. Note, this method
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/// will produce an exception if the Value does not hold a
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/// boolean value.
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/// </remarks>
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public static explicit operator bool (Value val)
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{
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// FIXME: Insert an appropriate exception here if
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// _val.type indicates an error.
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return g_value_get_boolean (val._val);
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2001-09-19 13:37:15 +02:00
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern IntPtr g_value_get_boxed (IntPtr val);
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2002-07-26 08:08:52 +02:00
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public static explicit operator GLib.Opaque (Value val)
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{
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return GLib.Opaque.GetOpaque (g_value_get_boxed (val._val));
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}
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2002-05-02 23:57:41 +02:00
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/// <summary>
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/// Value to Boxed Conversion
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/// </summary>
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///
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/// <remarks>
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/// Extracts a boxed type from a Value. Note, this method
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/// will produce an exception if the Value does not hold a
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/// boxed type value.
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/// </remarks>
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public static explicit operator GLib.Boxed (Value val)
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{
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2002-07-31 01:02:12 +02:00
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return new GLib.Boxed (g_value_get_boxed (val._val));
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2002-05-02 23:57:41 +02:00
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern double g_value_get_double (IntPtr val);
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2002-05-02 23:57:41 +02:00
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/// <summary>
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/// Value to Double Conversion
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/// </summary>
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///
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/// <remarks>
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/// Extracts a double from a Value. Note, this method
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/// will produce an exception if the Value does not hold a
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/// double value.
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|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator double (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return g_value_get_double (val._val);
|
|
|
|
}
|
|
|
|
|
2002-06-23 20:49:33 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern float g_value_get_float (IntPtr val);
|
|
|
|
|
2002-05-02 23:57:41 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Value to Float Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts a float from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold a
|
|
|
|
/// float value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator float (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return g_value_get_float (val._val);
|
|
|
|
}
|
|
|
|
|
2002-06-23 20:49:33 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern int g_value_get_int (IntPtr val);
|
|
|
|
|
2001-09-29 22:08:30 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Value to Integer Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts an int from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold a
|
|
|
|
/// integer value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator int (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return g_value_get_int (val._val);
|
|
|
|
}
|
|
|
|
|
2002-06-23 20:49:33 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern IntPtr g_value_get_object (IntPtr val);
|
|
|
|
|
2002-05-02 23:57:41 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Value to Object Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts an object from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold a
|
|
|
|
/// object value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator GLib.Object (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return GLib.Object.GetObject(g_value_get_object (val._val));
|
|
|
|
}
|
|
|
|
|
2002-06-25 01:38:51 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Value to Unresolved Object Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts an object from a Value without looking up its wrapping
|
|
|
|
/// class.
|
|
|
|
/// Note, this method will produce an exception if the Value does
|
|
|
|
/// not hold a object value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator GLib.UnwrappedObject (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return new UnwrappedObject(g_value_get_object (val._val));
|
|
|
|
}
|
|
|
|
|
2002-06-23 20:49:33 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern IntPtr g_value_get_pointer (IntPtr val);
|
|
|
|
|
2002-05-02 23:57:41 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Value to Pointer Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts a pointer from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold a
|
|
|
|
/// pointer value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator IntPtr (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return g_value_get_pointer (val._val);
|
|
|
|
}
|
|
|
|
|
2002-06-23 20:49:33 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern string g_value_get_string (IntPtr val);
|
|
|
|
|
2001-09-19 13:37:15 +02:00
|
|
|
/// <summary>
|
2001-09-28 02:28:30 +02:00
|
|
|
/// Value to String Conversion
|
2001-09-19 13:37:15 +02:00
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
2001-09-27 19:17:33 +02:00
|
|
|
/// Extracts a string from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold a
|
2001-09-19 13:37:15 +02:00
|
|
|
/// string value.
|
|
|
|
/// </remarks>
|
|
|
|
|
2001-09-28 02:28:30 +02:00
|
|
|
public static explicit operator String (Value val)
|
2001-09-19 13:37:15 +02:00
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
2002-04-19 18:17:47 +02:00
|
|
|
return g_value_get_string (val._val);
|
2001-09-19 13:37:15 +02:00
|
|
|
}
|
|
|
|
|
2002-06-23 20:49:33 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern uint g_value_get_uint (IntPtr val);
|
|
|
|
|
2001-09-19 13:37:15 +02:00
|
|
|
/// <summary>
|
2002-05-02 23:57:41 +02:00
|
|
|
/// Value to Unsigned Integer Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts an uint from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold a
|
|
|
|
/// unsigned integer value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator uint (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return g_value_get_uint (val._val);
|
|
|
|
}
|
|
|
|
|
2002-10-27 03:30:51 +01:00
|
|
|
/// <summary>
|
|
|
|
/// Value to Unsigned Short Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts a ushort from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold a
|
|
|
|
/// unsigned integer value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator ushort (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
|
|
|
return (ushort) g_value_get_uint (val._val);
|
|
|
|
}
|
|
|
|
|
2002-06-25 00:04:10 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern int g_value_get_enum (IntPtr val);
|
2002-08-04 00:24:37 +02:00
|
|
|
[DllImport("gobject-2.0")]
|
|
|
|
static extern uint g_value_get_flags (IntPtr val);
|
2002-06-25 00:04:10 +02:00
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
/// Value to Enum Conversion
|
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
|
|
|
/// Extracts an enum from a Value. Note, this method
|
|
|
|
/// will produce an exception if the Value does not hold an
|
|
|
|
/// enum value.
|
|
|
|
/// </remarks>
|
|
|
|
|
|
|
|
public static explicit operator EnumWrapper (Value val)
|
|
|
|
{
|
|
|
|
// FIXME: Insert an appropriate exception here if
|
|
|
|
// _val.type indicates an error.
|
2002-08-04 00:24:37 +02:00
|
|
|
// FIXME: handle flags
|
|
|
|
return new EnumWrapper (g_value_get_enum (val._val), false);
|
2002-06-25 00:04:10 +02:00
|
|
|
}
|
|
|
|
|
2002-05-02 23:57:41 +02:00
|
|
|
/// <summary>
|
|
|
|
/// Handle Property
|
2001-09-19 13:37:15 +02:00
|
|
|
/// </summary>
|
|
|
|
///
|
|
|
|
/// <remarks>
|
2001-09-28 02:28:30 +02:00
|
|
|
/// Read only. Accesses a pointer to the raw GValue.
|
2001-09-19 13:37:15 +02:00
|
|
|
/// </remarks>
|
|
|
|
|
2002-05-02 23:57:41 +02:00
|
|
|
public IntPtr Handle {
|
2001-09-19 13:37:15 +02:00
|
|
|
get {
|
|
|
|
return _val;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|