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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (C) 2004-2005 Novell, Inc.
//
// Authors:
// Jordi Mas i Hernandez jordi@ximian.com
//
//
using System.Drawing;
using System.ComponentModel;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
namespace System.Windows.Forms
{
[DefaultProperty ("Value")]
public sealed class ProgressBar : Control
{
#region Local Variables
private int maximum;
private int minimum;
internal int step;
internal int val;
internal Rectangle client_area = new Rectangle ();
#endregion // Local Variables
#region events
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler BackColorChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler BackgroundImageChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler CausesValidationChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler DoubleClick;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler Enter;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler FontChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler ForeColorChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler ImeModeChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event KeyEventHandler KeyDown;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event KeyPressEventHandler KeyPress;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event KeyEventHandler KeyUp;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler Leave;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event PaintEventHandler Paint;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler RightToLeftChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler TabStopChanged;
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new event EventHandler TextChanged;
#endregion Events
#region Public Constructors
public ProgressBar()
{
maximum = 100;
minimum = 0;
step = 10;
val = 0;
base.Paint += new PaintEventHandler (OnPaintPB);
base.Resize += new EventHandler (OnResizeTB);
SetStyle (ControlStyles.UserPaint |
ControlStyles.Selectable |
ControlStyles.ResizeRedraw |
ControlStyles.Opaque, false);
}
#endregion // Public Constructors
#region Public Instance Properties
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public override bool AllowDrop
{
get { return base.AllowDrop; }
set {
base.AllowDrop = value;
}
}
// Setting this property in MS .Net 1.1 does not have any visual effect and it
// does not fire a BackColorChanged event
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public override Color BackColor
{
get { return base.BackColor; }
set { base.BackColor = value; }
}
// Setting this property in MS .Net 1.1 does not have any visual effect and it
// does not fire a BackgroundImageChanged event
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public override Image BackgroundImage
{
get { return base.BackgroundImage; }
set { base.BackgroundImage = value; }
}
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new bool CausesValidation
{
get { return base.CausesValidation; }
set {
if (base.CausesValidation == value)
return;
base.CausesValidation = value;
if (CausesValidationChanged != null)
CausesValidationChanged (this, new EventArgs ());
}
}
protected override CreateParams CreateParams
{
get { return base.CreateParams; }
}
protected override ImeMode DefaultImeMode
{
get { return base.DefaultImeMode; }
}
protected override Size DefaultSize
{
get { return ThemeEngine.Current.ProgressBarDefaultSize; }
}
// Setting this property in MS .Net 1.1 does not have any visual effect and it
// does not fire a FontChanged event
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public override Font Font
{
get { return base.Font; }
set { base.Font = value; }
}
// Setting this property in MS .Net 1.1 does not have any visual effect and it
// does not fire a FontChanged event
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public override Color ForeColor
{
get { return base.ForeColor; }
set { base.ForeColor = value; }
}
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new ImeMode ImeMode
{
get { return base.ImeMode; }
set
{
if (value == base.ImeMode)
return;
base.ImeMode = value;
if (ImeModeChanged != null)
ImeModeChanged (this, EventArgs.Empty);
}
}
[RefreshProperties(RefreshProperties.Repaint)]
[DefaultValue (100)]
public int Maximum
{
get {
return maximum;
}
set {
if (value < 0)
throw new ArgumentException(
string.Format("Value '{0}' must be greater than or equal to 0.", value ));
maximum = value;
Refresh ();
}
}
[RefreshProperties(RefreshProperties.Repaint)]
[DefaultValue (0)]
public int Minimum {
get {
return minimum;
}
set {
if (value < 0)
throw new ArgumentException(
string.Format("Value '{0}' must be greater than or equal to 0.", value ));
minimum = value;
Refresh ();
}
}
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public override RightToLeft RightToLeft
{
get { return base.RightToLeft; }
set {
if (base.RightToLeft == value)
return;
base.RightToLeft = value;
if (RightToLeftChanged != null)
RightToLeftChanged (this, EventArgs.Empty);
}
}
[DefaultValue (10)]
public int Step
{
get { return step; }
set {
step = value;
Refresh ();
}
}
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
public new bool TabStop
{
get { return base.TabStop; }
set {
if (base.TabStop == value)
return;
base.TabStop = value;
if (TabStopChanged != null)
TabStopChanged (this, EventArgs.Empty);
}
}
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
[Bindable(false)]
public override string Text
{
get { return base.Text; }
set
{
if (value == base.Text)
return;
if (TextChanged != null)
TextChanged (this, EventArgs.Empty);
Refresh ();
}
}
[Bindable(true)]
[DefaultValue (0)]
public int Value
{
get {
return val;
}
set {
if (value < Minimum || value > Maximum)
throw new ArgumentException(
string.Format("'{0}' is not a valid value for 'Value'. 'Value' should be between 'Minimum' and 'Maximum'", value));
val = value;
Refresh ();
}
}
#endregion // Protected Instance Properties
#region Public Instance Methods
protected override void CreateHandle ()
{
base.CreateHandle ();
}
public void Increment (int value)
{
int newValue = Value + value;
if (newValue < Minimum)
newValue = Minimum;
if (newValue > Maximum)
newValue = Maximum;
Value = newValue;
Refresh ();
}
protected override void OnHandleCreated (EventArgs e)
{
base.OnHandleCreated (e);
UpdateAreas ();
}
public void PerformStep ()
{
if (Value >= Maximum)
return;
Value = Value + Step;
Refresh ();
}
public override string ToString()
{
return string.Format ("{0}, Minimum: {1}, Maximum: {2}, Value: {3}",
GetType().FullName.ToString (),
Maximum.ToString (),
Minimum.ToString (),
Value.ToString () );
}
#endregion // Public Instance Methods
#region Private Instance Methods
private void UpdateAreas ()
{
client_area.X = client_area.Y = 2;
client_area.Width = Width - 4;
client_area.Height = Height - 4;
}
private void OnResizeTB (Object o, EventArgs e)
{
if (Width <= 0 || Height <= 0)
return;
UpdateAreas ();
}
private void OnPaintPB (Object o, PaintEventArgs pevent)
{
ThemeEngine.Current.DrawProgressBar (pevent.Graphics, pevent.ClipRectangle, this);
}
#endregion
}
}
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