?? windowdetailcaption.cs
字號(hào):
// Force the ImageAttribute for the button to be set
SetButtonState();
}
}
protected override void UpdateAutoHideImage()
{
if (_pinnedImage)
_hideButton.ImageIndexEnabled = (int)ImageIndex.AutoShow;
else
_hideButton.ImageIndexEnabled = (int)ImageIndex.AutoHide;
}
protected override void UpdateMaximizeImage()
{
if ((_maxButton != null) && (_maxInterface != null))
{
bool enabled = _maxInterface.IsMaximizeAvailable();
if (!enabled)
{
if (_maxButton.Visible)
_maxButton.Hide();
}
else
{
bool maximized = _maxInterface.IsWindowMaximized(this.ParentWindow);
if (!_maxButton.Visible)
_maxButton.Show();
if (maximized)
_maxButton.ImageIndexEnabled = (int)ImageIndex.EnabledVerticalMin;
else
_maxButton.ImageIndexEnabled = (int)ImageIndex.EnabledVerticalMax;
}
}
}
protected void SetButtonState()
{
if (this.ParentWindow != null)
{
if (this.ParentWindow.ContainsFocus)
{
if (_closeButton.BackColor != _manager.ActiveColor)
{
_closeButton.BackColor = _manager.ActiveColor;
_closeButton.ImageAttributes = _activeAttr;
_closeButton.Invalidate();
}
if (_hideButton != null)
{
if (_hideButton.BackColor != _manager.ActiveColor)
{
_hideButton.BackColor = _manager.ActiveColor;
_hideButton.ImageAttributes = _activeAttr;
_hideButton.Invalidate();
}
}
if (_maxButton != null)
{
if (_maxButton.BackColor != _manager.ActiveColor)
{
_maxButton.BackColor = _manager.ActiveColor;
_maxButton.ImageAttributes = _activeAttr;
_maxButton.Invalidate();
}
}
}
else
{
if (_closeButton.BackColor != this.BackColor)
{
_closeButton.BackColor = this.BackColor;
_closeButton.ImageAttributes = _inactiveAttr;
_closeButton.Invalidate();
}
if (_hideButton != null)
{
if (_hideButton.BackColor != this.BackColor)
{
_hideButton.BackColor = this.BackColor;
_hideButton.ImageAttributes = _inactiveAttr;
_hideButton.Invalidate();
}
}
if (_maxButton != null)
{
if (_maxButton.BackColor != this.BackColor)
{
_maxButton.BackColor = this.BackColor;
_maxButton.ImageAttributes = _inactiveAttr;
_maxButton.Invalidate();
}
}
}
}
}
protected override void RecalculateButtons()
{
int buttonX = this.Width - _buttonWidth - _buttonSpacer;
int buttonY = (_fixedLength - _yInset * 2 - _buttonHeight) / 2 + _yInset;
if (_showCloseButton)
{
// Button position is fixed, regardless of our size
_closeButton.Location = new Point(buttonX, buttonY);
_closeButton.Size = new Size(_buttonWidth, _buttonHeight);
// Give the button a very thin button
_closeButton.BorderWidth = 1;
// Let the location of the control be updated for us
_closeButton.Anchor = AnchorStyles.Right;
// Just in case currently hidden
_closeButton.Show();
// Define start of next button
buttonX -= _buttonWidth;
}
else
_closeButton.Hide();
if (_showHideButton && !_ignoreHideButton)
{
// Button position is fixed, regardless of our size
_hideButton.Location = new Point(buttonX, buttonY);
_hideButton.Size = new Size(_buttonWidth, _buttonHeight);
// Give the button a very thin button
_hideButton.BorderWidth = 1;
// Let the location of the control be updated for us
_hideButton.Anchor = AnchorStyles.Right;
// Just in case currently hidden
_hideButton.Show();
// Define start of next button
buttonX -= _buttonWidth;
UpdateAutoHideImage();
}
else
_hideButton.Hide();
if (_maxButton != null)
{
// Button position is fixed, regardless of our size
_maxButton.Location = new Point(buttonX, buttonY);
_maxButton.Size = new Size(_buttonWidth, _buttonHeight);
// Give the button a very thin button
_maxButton.BorderWidth = 1;
// Let the location of the control be updated for us
_maxButton.Anchor = AnchorStyles.Right;
// Define start of next button
buttonX -= _buttonWidth;
UpdateMaximizeImage();
}
}
protected override void CreateButtons()
{
// Define the ImageList and which ImageIndex to show initially
_closeButton = new InertButton(_images, (int)ImageIndex.Close);
_hideButton = new InertButton(_images, (int)ImageIndex.AutoHide);
_closeButton.Size = new Size(_buttonWidth, _buttonHeight);
_hideButton.Size = new Size(_buttonWidth, _buttonHeight);
// Let the location of the control be updated for us
_closeButton.Anchor = AnchorStyles.Right;
_hideButton.Anchor = AnchorStyles.Right;
// Define the button position relative to the size set in the constructor
_closeButton.Location = new Point(_fixedLength - _buttonWidth - _buttonSpacer,
(_fixedLength - _yInset * 2 - _buttonHeight) / 2 + _yInset);
_hideButton.Location = new Point(_fixedLength - (_buttonWidth - _buttonSpacer) * 2,
(_fixedLength - _yInset * 2 - _buttonHeight) / 2 + _yInset);
// Give the button a very thin button
_closeButton.BorderWidth = 1;
_hideButton.BorderWidth = 1;
// Define correct color setup
_closeButton.BackColor = this.BackColor;
_closeButton.ImageAttributes = _inactiveAttr;
_hideButton.BackColor = this.BackColor;
_hideButton.ImageAttributes = _inactiveAttr;
// Add to the display
Controls.Add(_closeButton);
Controls.Add(_hideButton);
// Let base class perform common actions
base.CreateButtons();
}
protected void UpdateCaptionHeight(Font captionFont)
{
// Dynamically calculate the required height of the caption area
_fixedLength = (int)captionFont.GetHeight() + (_yInset + _yInsetExtra) * 2;
int minHeight = _buttonHeight + _yInset * 4 + 1;
// Maintain a minimum height to allow correct showing of buttons
if (_fixedLength < minHeight)
_fixedLength = minHeight;
this.Size = new Size(_fixedLength, _fixedLength);
RecalculateButtons();
Invalidate();
}
protected override void OnPaintBackground(PaintEventArgs e)
{
// Overriden to prevent background being painted
}
protected override void OnPaint(PaintEventArgs e)
{
bool focused = false;
if (this.ParentWindow != null)
focused = this.ParentWindow.ContainsFocus;
// Sometimes the min/max button is created and then an attempt is made to
// hide the button. But for some reason it does not always manage to hide
// the button. So forced to check here everytime to ensure its hidden.
UpdateMaximizeImage();
SetButtonState();
Size ourSize = this.ClientSize;
int xEnd = ourSize.Width;
int yEnd = ourSize.Height - _yInset * 2;
Rectangle rectCaption = new Rectangle(0, _yInset, xEnd, yEnd - _yInset + 1);
using(SolidBrush backBrush = new SolidBrush(this.BackColor),
activeBrush = new SolidBrush(_manager.ActiveColor),
activeTextBrush = new SolidBrush(_manager.ActiveTextColor),
inactiveBrush = new SolidBrush(_manager.InactiveTextColor))
{
// Is this control Active?
if (focused)
{
// Fill the entire background area
e.Graphics.FillRectangle(backBrush, e.ClipRectangle);
// Use a solid filled background for text
e.Graphics.FillRectangle(activeBrush, rectCaption);
// Start drawing text a little from the left
rectCaption.X += _buttonSpacer;
rectCaption.Y += 1;
rectCaption.Height -= 2;
// Reduce the width to account for close button
rectCaption.Width -= _closeButton.Width + _buttonSpacer;
// Reduce width to account for the optional maximize button
if ((_maxButton != null) && (_maxButton.Visible))
rectCaption.Width -= _closeButton.Width;
e.Graphics.DrawString(this.Text, _manager.CaptionFont, activeTextBrush, rectCaption);
}
else
{
// Fill the entire background area
e.Graphics.FillRectangle(backBrush, e.ClipRectangle);
// Inactive and so use a rounded rectangle
using (Pen dark = new Pen(ControlPaint.LightLight(_manager.InactiveTextColor)))
{
e.Graphics.DrawLine(dark, 1, _yInset, xEnd - 2, _yInset);
e.Graphics.DrawLine(dark, 1, yEnd, xEnd - 2, yEnd);
e.Graphics.DrawLine(dark, 0, _yInset + 1, 0, yEnd - 1);
e.Graphics.DrawLine(dark, xEnd - 1, _yInset + 1, xEnd - 1, yEnd - 1);
// Start drawing text a little from the left
rectCaption.X += _buttonSpacer;
rectCaption.Y += 1;
rectCaption.Height -= 2;
// Reduce the width to account for close button
rectCaption.Width -= _closeButton.Width + _buttonSpacer;
// Reduce width to account for the optional maximize button
if ((_maxButton != null) && (_maxButton.Visible))
rectCaption.Width -= _maxButton.Width;
e.Graphics.DrawString(this.Text, _manager.CaptionFont, inactiveBrush, rectCaption);
}
}
}
// Let delegates fire through base
base.OnPaint(e);
// Always get the button to repaint as we have painted over their area
_closeButton.Refresh();
}
}
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