/// <summary>
/// Function to bind the device to a window.
/// </summary>
/// <param name="boundWindow">Window to bind with.</param>
/// <remarks>Passing NULL (Nothing in VB.Net) to <paramref name="boundWindow"/> will use the <see cref="GorgonLibrary.Gorgon.ApplicationForm">main Gorgon Application Form</see>. If there is no Form bound with the application, then an exception will be thrown.</remarks>
/// <exception cref="System.ArgumentException">Thrown when the boundWindow parameter and the Gorgon.ApplicationForm property are both NULL (Nothing in VB.Net).
/// <para>-or-</para>
/// <para>Thrown when the top level form cannot be determined.</para>
/// </exception>
public void Bind(Control boundWindow)
{
if (BoundControl != null)
{
UnbindWindow();
BoundControl = null;
BoundTopLevelForm = null;
}
if (boundWindow == null)
{
if (Gorgon.ApplicationForm == null)
{
throw new ArgumentException(Resources.GORINP_NO_WINDOW_TO_BIND, "boundWindow");
}
boundWindow = Gorgon.ApplicationForm;
}
Gorgon.Log.Print("Binding input device object {1} to window 0x{0}.", LoggingLevel.Intermediate, boundWindow.Handle.FormatHex(), GetType().Name);
BoundControl = boundWindow;
BoundTopLevelForm = Gorgon.GetTopLevelForm(BoundControl);
if (BoundTopLevelForm == null)
{
throw new ArgumentException(Resources.GORINP_NO_WINDOW_TO_BIND, "boundWindow");
}
BoundTopLevelForm.Activated += BoundForm_Activated;
BoundTopLevelForm.Deactivate += BoundForm_Deactivate;
BoundControl.LostFocus += BoundWindow_LostFocus;
BoundControl.GotFocus += BoundWindow_GotFocus;
}
/// <summary>
/// Handles the ParentChanged event of the Window control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void Window_ParentChanged(object sender, EventArgs e)
{
try
{
// If the actual control has changed parents, update the top level control.
if (sender == Settings.Window)
{
var newTopLevelParent = Gorgon.GetTopLevelControl(Settings.Window);
if (newTopLevelParent != _topLevelControl)
{
_topLevelControl.ParentChanged -= Window_ParentChanged;
// If we're not at the top of the chain, then find out which window is and set it up
// to handle changes to its hierarchy.
if (newTopLevelParent != Settings.Window)
{
_topLevelControl = newTopLevelParent;
_topLevelControl.ParentChanged += Window_ParentChanged;
}
}
}
if (_parentForm != null)
{
_parentForm.ResizeBegin -= _parentForm_ResizeBegin;
_parentForm.ResizeEnd -= _parentForm_ResizeEnd;
}
_parentForm = Gorgon.GetTopLevelForm(Settings.Window);
if (_parentForm == null)
{
return;
}
_parentForm.ResizeBegin += _parentForm_ResizeBegin;
_parentForm.ResizeEnd += _parentForm_ResizeEnd;
}
catch (Exception ex)
{
#if DEBUG
GorgonException.Catch(ex,
() =>
GorgonDialogs.ErrorBox(_parentForm,
string.Format(Resources.GORGFX_CATASTROPHIC_ERROR, Gorgon.Log.LogPath),
null,
ex));
// If we fail in here, then we have a terminal error in Gorgon, don't risk further corruption.
Gorgon.Quit();
#else
GorgonException.Catch(ex);
#endif
}
}
/// <summary>
/// Handles the Resize event of the Window control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void Window_Resize(object sender, EventArgs e)
{
// If we're in a manual resize operation, then don't call this method just yet.
if (_isInResize)
{
return;
}
// Attempt to get the parent form if we don't have one yet.
if (_parentForm == null)
{
_parentForm = Gorgon.GetTopLevelForm(Settings.Window);
_parentForm.ResizeBegin += _parentForm_ResizeBegin;
_parentForm.ResizeEnd += _parentForm_ResizeEnd;
}
if ((!AutoResize) || ((_parentForm != null) && (_parentForm.WindowState == FormWindowState.Minimized)))
{
return;
}
// Only do this if the size has changed, if we're just restoring the window, then don't bother.
if (((GISwapChain == null)) || (Settings.Window.ClientSize.Width <= 0) || (Settings.Window.ClientSize.Height <= 0))
{
return;
}
try
{
// Resize the video mode.
Settings.VideoMode = new GorgonVideoMode(Settings.Window.ClientSize.Width,
Settings.Window.ClientSize.Height,
Settings.VideoMode.Format,
Settings.VideoMode.RefreshRateNumerator,
Settings.VideoMode.RefreshRateDenominator);
ResizeBuffers();
}
catch (Exception ex)
{
#if DEBUG
GorgonException.Catch(ex,
() =>
GorgonDialogs.ErrorBox(_parentForm,
string.Format(Resources.GORGFX_CATASTROPHIC_ERROR, Gorgon.Log.LogPath),
null,
ex));
// If we fail in here, then we have a terminal error in Gorgon, don't risk further corruption.
Gorgon.Quit();
#else
// Log the exception.
GorgonException.Catch(ex);
#endif
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GorgonSwapChain"/> class.
/// </summary>
/// <param name="graphics">Graphics interface that owns this swap chain.</param>
/// <param name="name">The name of the swap chain.</param>
/// <param name="settings">Settings for the swap chain.</param>
internal GorgonSwapChain(GorgonGraphics graphics, string name, GorgonSwapChainSettings settings)
: base(name)
{
Graphics = graphics;
Settings = settings;
// Get the parent form for our window.
_parentForm = Gorgon.GetTopLevelForm(settings.Window);
_topLevelControl = Gorgon.GetTopLevelControl(settings.Window);
settings.Window.ParentChanged += Window_ParentChanged;
if (_topLevelControl != settings.Window)
{
_topLevelControl.ParentChanged += Window_ParentChanged;
}
AutoResize = true;
}