private void InitEventHandlers()
{
//Bring Front On Click Events
this.MouseLeftButtonDown += (s, e) => { BringFront(); };
if (this.Content != null)
(this.Content as FrameworkElement).MouseLeftButtonDown += (s, e) => { BringFront(); };
//Window Resize Events
if (IsResizable)
{
MouseEventHandler mouseLeave = (s, e) => { _resizeMode = SLWindowResizeMode.None; };
MouseButtonEventHandler mouseUp = (s, e) => { _resizeMode = SLWindowResizeMode.None; };
MouseEventHandler mouseMove = (s, e) =>
{
if (_resizeMode != SLWindowResizeMode.None)
{
_mouseResizeCurrentPosition = e.GetPosition(null);
Resize();
}
};
MouseButtonEventHandler mouseDown = (s, e) =>
{
FrameworkElement sender = s as FrameworkElement;
_windowResizeStartPosition = new Point()
{
X = (this.RenderTransform as TranslateTransform).X,
Y = (this.RenderTransform as TranslateTransform).Y
};
_mouseResizeStartPosition = e.GetPosition(null);
_resizeStartHeight = this.Height;
_resizeStartWidth = this.Width;
if (sender == _resizeRight)
{
_resizeMode = SLWindowResizeMode.Right;
}
else if (sender == _resizeLeft)
{
_resizeMode = SLWindowResizeMode.Left;
}
else if (sender == _resizeBotton)
{
_resizeMode = SLWindowResizeMode.Bottom;
}
};
_resizeRight.MouseLeftButtonDown += mouseDown;
_resizeLeft.MouseLeftButtonDown += mouseDown;
_resizeBotton.MouseLeftButtonDown += mouseDown;
this.MouseLeftButtonUp += mouseUp;
RootView.MouseMove += mouseMove;
RootView.MouseMove += mouseMove;
RootView.MouseMove += mouseMove;
}
else
{
_resizeLeft.Cursor = _resizeRight.Cursor = _resizeBotton.Cursor = Cursors.Arrow;
}
//Window Bar Button Events
_closeButton.MouseLeftButtonUp += (s, e) => { Close(); };
_minimizeButton.MouseLeftButtonUp += (s, e) => { WindowState = SLWindowState.Minimized; };
_maximizeButton.MouseLeftButtonUp += (s, e) =>
{
if (WindowState == SLWindowState.Normal)
WindowState = SLWindowState.Maximized;
else
WindowState = SLWindowState.Normal;
};
_title.Text = Title;
//Mouse Drag-Move Events
RootView.MouseMove += (s, e) => { _mouseMoveCurrentPosition = e.GetPosition(null); DragMove(); };
_titleBar.MouseLeftButtonDown += (s, e) =>
{
_windowMoveStartPosition = new Point()
{
X = (this.RenderTransform as TranslateTransform).X,
Y = (this.RenderTransform as TranslateTransform).Y
};
_isMouseDown = true;
_mouseMoveStartPosition = e.GetPosition(null);
e.Handled = true;
BringFront();
};
_titleBar.MouseLeftButtonUp += (s, e) => { _isMouseDown = false; };
//TemplateApplied Event
if (TemplateApplied != null)
{
TemplateApplied(this, new EventArgs());
}
}
private void ChangeWindowState(SLWindowState state)
{
SLWindowState currentState = WindowState;
if (currentState != state)
{
SetValue(WindowStateProperty, state);
if (currentState == SLWindowState.Normal)
{
_memorizedPosition.X = (this.RenderTransform as TranslateTransform).X;
_memorizedPosition.Y = (this.RenderTransform as TranslateTransform).Y;
_memorizedWidth = this.Width;
_memorizedHeight = this.Height;
}
switch (state)
{
case SLWindowState.Normal:
if (currentState == SLWindowState.Minimized)
_minimizedWindowCount--;
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
VerticalAlignment = System.Windows.VerticalAlignment.Stretch;
(this.RenderTransform as TranslateTransform).X = _memorizedPosition.X;
(this.RenderTransform as TranslateTransform).Y = _memorizedPosition.Y;
this.Width = _memorizedWidth;
this.Height = _memorizedHeight;
break;
case SLWindowState.Maximized:
if (currentState == SLWindowState.Minimized)
_minimizedWindowCount--;
this.Width = double.NaN;
this.Height = double.NaN;
this.RenderTransform = new TranslateTransform();
VerticalAlignment = System.Windows.VerticalAlignment.Stretch;
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
break;
case SLWindowState.Minimized:
this.Width = MinWidth;
this.Height = 38;
HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
VerticalAlignment = System.Windows.VerticalAlignment.Bottom;
this.RenderTransform = new TranslateTransform();
(this.RenderTransform as TranslateTransform).X = MinWidth * _minimizedWindowCount + _minimizedWindowCount * 3;
_minimizedWindowCount++;
break;
default:
break;
}
if (WindowStateChanged != null)
WindowStateChanged(this, new EventArgs());
}
}