/// <summary>
/// Generates the <see cref="RadioButton" /> controls and aligns the <see cref="screensBackground" /> <see cref="Canvas" />.
/// </summary>
private void GenerateScreenBorders()
{
// Remove old borders.
foreach (RadioButton screen in this.screens)
{
this.Content.Children.Remove(screen);
}
this.screens.Clear();
// The control's measure has to be set before the screens can be generated.
if ((this.ActualWidth > 0) && (this.ActualHeight > 0))
{
System.Drawing.Rectangle allScreensBounds = new System.Drawing.Rectangle();
for (Int32 i = 0; i < Screen.AllScreens.Length; i++)
{
allScreensBounds = System.Drawing.Rectangle.Union(Screen.AllScreens[i].Bounds, allScreensBounds);
}
Double horizontalFactor = (this.Content.ActualWidth / allScreensBounds.Width);
Double verticalFactor = (this.Content.ActualHeight / allScreensBounds.Height);
Double scaleFactor;
if (horizontalFactor < verticalFactor)
{
scaleFactor = horizontalFactor;
}
else
{
scaleFactor = verticalFactor;
}
allScreensBounds = allScreensBounds.ScaleFull(scaleFactor);
Int32 xAdd = 0;
Int32 yAdd = 0;
if (allScreensBounds.X < 0)
{
xAdd = Math.Abs(allScreensBounds.X);
}
if (allScreensBounds.Y < 0)
{
yAdd = Math.Abs(allScreensBounds.Y);
}
// Put the fullBounds rectangle into the center.
allScreensBounds.X = (Int32)((this.Content.ActualWidth - allScreensBounds.Width) / 2.00);
allScreensBounds.Y = (Int32)((this.Content.ActualHeight - allScreensBounds.Height) / 2.00);
// Set the position and size of the preview ViewBox.
Canvas.SetLeft(this.screensBackground, allScreensBounds.X + 4);
Canvas.SetTop(this.screensBackground, allScreensBounds.Y + 4);
this.screensBackground.Width = allScreensBounds.Width - 7;
this.screensBackground.Height = allScreensBounds.Height - 7;
// Create preview screen border objects.
for (Int32 i = 0; i < Screen.AllScreens.Length; i++)
{
System.Drawing.Rectangle screenBounds = Screen.AllScreens[i].Bounds;
screenBounds = screenBounds.ScaleFull(scaleFactor);
screenBounds.X += allScreensBounds.X + xAdd;
screenBounds.Y += allScreensBounds.Y + yAdd;
RadioButton screen = new RadioButton();
Canvas.SetLeft(screen, screenBounds.Left);
Canvas.SetTop(screen, screenBounds.Top);
screen.Width = screenBounds.Width;
screen.Height = screenBounds.Height;
screen.SetResourceReference(FrameworkElement.StyleProperty, ScreenLayoutBox.ScreenRadioButtonStyleKey);
screen.IsChecked = (i == this.SelectedScreenIndex);
screen.Checked += this.Screen_Checked;
DockPanel contentPanel = new DockPanel();
if (this.ShowScreenCheckBoxes)
{
CheckBox screenCheckBox = new CheckBox()
{
HorizontalAlignment = HorizontalAlignment.Left,
Tag = i
};
if ((this.ScreensCheckStatus != null) && (i < this.ScreensCheckStatus.Count))
{
screenCheckBox.IsChecked = this.ScreensCheckStatus[i];
}
screenCheckBox.Click += this.ScreenCheckBox_Click;
screenCheckBox.SetResourceReference(FrameworkElement.StyleProperty, ScreenLayoutBox.ScreenCheckBoxStyleKey);
DockPanel.SetDock(screenCheckBox, Dock.Left);
contentPanel.Children.Add(screenCheckBox);
}
if (this.ShowScreenNumbers)
{
contentPanel.Children.Add(new TextBlock()
{
Text = (i + 1).ToString(CultureInfo.CurrentCulture),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
});
}
screen.Content = contentPanel;
this.screens.Add(screen);
this.Content.Children.Add(screen);
}
}
}
