/// <summary>
/// Handles Windows Messages for the GUI
/// </summary>
/// <param name="m">The message to handle</param>
/// <returns><c>true</c> if the message was handled and no further processing is necessary</returns>
public bool OnMsgProc(Message m)
{
// Exclusive input handling for MessageBox
if (DialogManager.MessageBox != null && DialogManager.MessageBox.Visible)
{
return(DialogManager.MessageBox.
MessageProc(m.HWnd, (WindowMessage)m.Msg, m.WParam, m.LParam));
}
// Exclusive input handling for last modal dialog
if (_modalDialogs.Count > 0)
{
return(_modalDialogs[_modalDialogs.Count - 1].DialogRender.
MessageProc(m.HWnd, (WindowMessage)m.Msg, m.WParam, m.LParam));
}
// Copy dialog list to an array first to prevent exceptions if dialogs are removed
var currentGuis = new DialogRenderer[_normalDialogs.Count];
_normalDialogs.CopyTo(currentGuis, 0);
// Pass input to dialogs for handling from last to first
for (int i = currentGuis.Length - 1; i >= 0; i--)
{
if (currentGuis[i].DialogRender.MessageProc(m.HWnd, (WindowMessage)m.Msg, m.WParam, m.LParam))
{
// Input has been handled, no further processing
return(true);
}
}
// Input was not handled
return(false);
}
/// <summary>
/// Removes/closes an open <see cref="DialogRenderer"/>.
/// </summary>
/// <param name="dialog">The <see cref="DialogRenderer"/> to close.</param>
internal void Remove(DialogRenderer dialog)
{
dialog.DialogRender.Refresh();
dialog.Dispose();
_normalDialogs.Remove(dialog);
_modalDialogs.Remove(dialog);
}
/// <summary>
/// Adds a modal <see cref="DialogRenderer"/> to the GUI system that locks all other <see cref="DialogRenderer"/>s while it is active.
/// </summary>
/// <param name="dialog">The <see cref="DialogRenderer"/> to add.</param>
internal void AddModal(DialogRenderer dialog)
{
_modalDialogs.Add(dialog);
}
//--------------------//
#region Open
/// <summary>
/// Adds a normal <see cref="DialogRenderer"/> to the GUI system that shares user-input with all other <see cref="DialogRenderer"/>s.
/// </summary>
/// <param name="dialog">The <see cref="DialogRenderer"/> to add.</param>
internal void AddNormal(DialogRenderer dialog)
{
_normalDialogs.Add(dialog);
}