/// <summary>
/// Application idle handler gives editing commands the opportunity to re-paint
/// any command-specific stuff.
/// </summary>
internal void OnIdle()
{
bool repaint = false;
ISpatialDisplay display = ActiveDisplay;
if (m_Inverse != null)
{
m_Inverse.Draw();
repaint = true;
}
if (m_Check != null)
{
m_Check.Render(display, DrawStyle);
repaint = true;
}
if (m_Sel != null)
{
m_Sel.Render(display);
repaint = true;
}
if (m_Sel != null || m_HasSelectionChanged)
{
SpatialSelection.Render(display, HighlightStyle);
repaint = true;
m_HasSelectionChanged = false;
}
if (m_Command != null && m_Command.PerformsPainting)
{
// Restoring the last draw here can cause flickering of the command-specific
// stuff, so make it the responsibility of the command to call erase stuff.
// (the main thing to ensure is that the call to RestoreLastDraw is made
// only when the user has really made some sort of change).
// m_Command.ActiveDisplay.RestoreLastDraw();
m_Command.Paint(null);
repaint = true;
}
if (repaint)
{
display.PaintNow();
}
}
