private void ScrollBarsLayout()
{
_HScrollBar.Hide();
_VScrollBar.Hide();
int scrollHeight = this.Height - 2 * _FocusBorderWidth - _HScrollBar.Height;
int scrollWidth = this.Width - 2 * _FocusBorderWidth - _VScrollBar.Width;
_HScrollBar.Width = scrollWidth;
_VScrollBar.Height = scrollHeight;
_HScrollBar.Location = new Point(_FocusBorderWidth, scrollHeight + _FocusBorderWidth);
_VScrollBar.Location = new Point(scrollWidth + _FocusBorderWidth, _FocusBorderWidth);
_HScrollBar.Show();
_VScrollBar.Show();
}
private void UpdateScrollBars()
{
// Note: the view pointer has already been validated by the caller (OnSize method)
int viewWidth = m_pView.BufferAreaWidth;
int viewHeight = m_pView.BufferAreaHeight;
int pageWidth = m_pView.BufferAreaWidth;
int pageHeight = m_pView.BufferAreaHeight;
switch (m_pView.ScalingMode)
{
case SapView.DisplayScalingMode.None:
{
if (m_pView.Buffer != null)
{
viewWidth = m_pView.Buffer.Width;
viewHeight = m_pView.Buffer.Height;
}
break; // pageWidth and pageHeight are already initialized correctly
}
case SapView.DisplayScalingMode.FitToWindow:
{
// viewWidth and viewHeight are already initialized correctly
// pageWidth and pageHeight are already initialized correctly
break;
}
case SapView.DisplayScalingMode.Zoom:
case SapView.DisplayScalingMode.UserDefined:
{
if (m_pView.Buffer != null)
{
viewWidth = (int)(m_pView.Buffer.Width);
viewHeight = (int)(m_pView.Buffer.Height);
}
pageWidth = (int)(m_pView.ScalingSrcArea.Width);
pageHeight = (int)(m_pView.ScalingSrcArea.Height);
break;
}
}
if (hScroll != null && vScroll != null)
{
// Size Horitontal scrollbar
hScroll.Minimum = 0;
hScroll.Maximum = (int)((float)(viewWidth + 0.5) - 1);
hScroll.LargeChange = pageWidth;
hScroll.Value = m_pView.HorzScrollPosition;
// Size Vertical scrollbar
vScroll.Minimum = 0;
vScroll.Maximum = (int)(((float)viewHeight + 0.5) - 1);
vScroll.LargeChange = pageHeight;
vScroll.Value = m_pView.VertScrollPosition;
// Show/hide scroll bars
if (m_pView.HorzScrollRange > 0)
{
hScroll.Show();
}
else
{
hScroll.Hide();
}
if (m_pView.VertScrollRange > 0)
{
vScroll.Show();
}
else
{
vScroll.Hide();
}
}
}
public bool Vsitem(bool b = false)
{
if (moveItem != null)
{
return(false);
}
if (b && parent.ishs)
{
HScrollBar vs = (HScrollBar)(parent.Controls["HScrollBarBase"]);
if (parent.Width != 0)
{
if (parent.isvs)
{
vs.Width = parent.Width - 16;
}
else
{
vs.Width = parent.Width;
}
}
else
{
vs.Width = Width;
}
}
if (!vsed)
{
int thisWidth = 0;
for (int i = 0; i < sortedItems.Count; i++)
{
sortedItems[i].X = thisWidth;
thisWidth += sortedItems[i].Width;
}
vsed = true;
if (thisWidth == 0)
{
return(false);
}
if (parent != null)
{
HScrollBar vs = (HScrollBar)(parent.Controls["HScrollBarBase"]);
if (thisWidth > Width)
{
parent.ishs = true;
if (!vs.Visible)
{
vs.Show();
}
if (vs.Width == 0)
{
vs.Width = Width;
}
vs.Maximum = thisWidth;
vs.LargeChange = parent.Width;
vs.SmallChange = 5;
int targetVal = vs.Value - vs.Minimum;
if (xOffiest != targetVal)
{
xOffiest = targetVal;
XOffestChanged?.Invoke(this, null);
}
}
else
{
parent.ishs = false;
if (vs.Visible)
{
vs.Hide();
}
if (xOffiest != 0)
{
xOffiest = 0;
XOffestChanged?.Invoke(this, null);
}
}
allWidth = thisWidth;
return(true);
}
allWidth = thisWidth;
return(true);
}
return(false);
}
public override void Hide()
{
myLabel.Hide();
myScrollBar.Hide();
}