bool IsInMultipleRegions(DisplayRegionHelperInfo info, Rect rcControl)
{
bool isInMultipleRegions = false;
if (info.Mode != TwoPaneViewMode.SinglePane)
{
Rect rc1 = info.Regions[0];
Rect rc2 = info.Regions[1];
Rect rcWindow = DisplayRegionHelper.WindowRect();
if (info.Mode == TwoPaneViewMode.Wide)
{
// Check that the control is over the split
if (rcControl.X < rc1.Width && rcControl.X + rcControl.Width > rc2.X)
{
isInMultipleRegions = true;
}
}
else if (info.Mode == TwoPaneViewMode.Tall)
{
// Check that the control is over the split
if (rcControl.Y < rc1.Height && rcControl.Y + rcControl.Height > rc2.Y)
{
isInMultipleRegions = true;
}
}
}
return(isInMultipleRegions);
}
void UpdateRowsColumns(ViewMode newMode, DisplayRegionHelperInfo info, Rect rcControl)
{
if (m_columnLeft != null && m_columnMiddle != null && m_columnRight != null && m_rowTop != null && m_rowMiddle != null && m_rowBottom != null)
{
// Reset split lengths
m_columnMiddle.Width = new GridLength(0, GridUnitType.Pixel);
m_rowMiddle.Height = new GridLength(0, GridUnitType.Pixel);
// Set columns lengths
if (newMode == ViewMode.LeftRight || newMode == ViewMode.RightLeft)
{
m_columnLeft.Width = (newMode == ViewMode.LeftRight) ? Pane1Length : Pane2Length;
m_columnRight.Width = (newMode == ViewMode.LeftRight) ? Pane2Length : Pane1Length;
}
else
{
m_columnLeft.Width = new GridLength(1, GridUnitType.Star);
m_columnRight.Width = new GridLength(0, GridUnitType.Pixel);
}
// Set row lengths
if (newMode == ViewMode.TopBottom || newMode == ViewMode.BottomTop)
{
m_rowTop.Height = (newMode == ViewMode.TopBottom) ? Pane1Length : Pane2Length;
m_rowBottom.Height = (newMode == ViewMode.TopBottom) ? Pane2Length : Pane1Length;
}
else
{
m_rowTop.Height = new GridLength(1, GridUnitType.Star);
m_rowBottom.Height = new GridLength(0, GridUnitType.Pixel);
}
// Handle regions
if (IsInMultipleRegions(info, rcControl) && newMode != ViewMode.Pane1Only && newMode != ViewMode.Pane2Only)
{
Rect rc1 = info.Regions[0];
Rect rc2 = info.Regions[1];
Rect rcWindow = DisplayRegionHelper.WindowRect();
if (info.Mode == TwoPaneViewMode.Wide)
{
m_columnMiddle.Width = new GridLength(rc2.X - rc1.Width, GridUnitType.Pixel);
m_columnLeft.Width = new GridLength(rc1.Width - rcControl.X, GridUnitType.Pixel);
// UNO TODO: Max is needed when regions don't match the Window size orientation
m_columnRight.Width = new GridLength(Math.Max(0, rc2.Width - ((rcWindow.Width - rcControl.Width) - rcControl.X)), GridUnitType.Pixel);
}
else
{
m_rowMiddle.Height = new GridLength(rc2.Y - rc1.Height, GridUnitType.Pixel);
m_rowTop.Height = new GridLength(rc1.Height - rcControl.Y, GridUnitType.Pixel);
// UNO TODO: Max is needed when regions don't match the Window size orientation
m_rowBottom.Height = new GridLength(Math.Max(0, rc2.Height - ((rcWindow.Height - rcControl.Height) - rcControl.Y)), GridUnitType.Pixel);
}
}
}
}
