//当panel增加或删减控件时自动调用
private void RelaControlAddedOrRemoved(object sender, ControlEventArgs e)
{
Control con = (Control)sender;
AdjustVScrollBar();
vScrollBar.BringToFront();
}
/// <summary>
/// Recalculate the position of the vertical scrollbar
/// </summary>
protected virtual void RecalcVScrollBar()
{
if (verticalScroll != null)
{
int l_HeightHScroll = 0;
if (horizontalScroll != null)
{
l_HeightHScroll = horizontalScroll.Height;
}
verticalScroll.Location = new Point(ClientRectangle.Width - verticalScroll.Width, 0);
verticalScroll.Height = ClientRectangle.Height - l_HeightHScroll;
verticalScroll.Minimum = 0;
verticalScroll.Maximum = customScrollArea.Height > 0 ? customScrollArea.Height : 0;
verticalScroll.LargeChange = Math.Max(5, ClientRectangle.Height - l_HeightHScroll);
verticalScroll.SmallChange = verticalScroll.LargeChange / 5;
if (verticalScroll.Value > MaximumVScroll)
{
verticalScroll.Value = MaximumVScroll;
}
verticalScroll.BringToFront();
}
}
/// <summary>
/// Recalculate the position of the vertical scrollbar
/// </summary>
protected virtual void RecalcVScrollBar()
{
if (m_VScroll != null)
{
int l_HeightHScroll = 0;
if (m_HScroll != null)
{
l_HeightHScroll = m_HScroll.Height;
}
m_VScroll.Location = new Point(ClientRectangle.Width - m_VScroll.Width, 0);
m_VScroll.Height = ClientRectangle.Height - l_HeightHScroll;
m_VScroll.Minimum = 0;
m_VScroll.Maximum = Math.Max(0, m_CustomScrollArea.Height); //Math.Max(0,m_CustomScrollArea.Height - ClientRectangle.Height) + m_HScroll.Height;
m_VScroll.LargeChange = Math.Max(5, ClientRectangle.Height - l_HeightHScroll);
m_VScroll.SmallChange = m_VScroll.LargeChange / 5;
if (m_VScroll.Value > MaximumVScroll)
{
m_VScroll.Value = MaximumVScroll;
}
m_VScroll.BringToFront();
}
}
public Select(Control _par, int _height = -1)
{
_height = _height < 0 ? Style.SelectBoxHeight : _height;
this.Size = new Size(_par.ClientRectangle.Width, _height);
this.MaximumSize = new Size(_par.ClientRectangle.Width - Style.PaddingSize * 2, _height);
this.BackColor = Style.Colors.Light;
this.ForeColor = Style.Colors.Text;
this.BorderStyle = BorderStyle.None;
this.Font = new Font(Style.Fonts.UI, Style.UITextSize);
this.DoubleBuffered = true;
this.Selected += new Action <int>(SelectEH);
this.cont = new SelectBox();
this.cont.Size = this.Size.Shrink(Style.PaddingSize * 2);
this.cont.BackColor = this.BackColor;
this.cont.Location = new Point(Style.PaddingSize, Style.PaddingSize);
this.Controls.Add(cont);
VScrollBar v = new VScrollBar();
v.Dock = DockStyle.Right;
v.Scroll += (s, e) => this.cont.VerticalScroll.Value = v.Value;
this.Controls.Add(v);
v.BringToFront();
MouseEventHandler scroll = new MouseEventHandler((s, e) => {
if (v.Value - e.Delta / Settings.S.ScrollWheelDecelerator <= 1)
{
v.Value = 1;
}
else if (v.Value - e.Delta / Settings.S.ScrollWheelDecelerator >= v.Maximum - 1)
{
v.Value = v.Maximum - 1;
}
else
{
v.Value -= (int)((long)e.Delta / (long)Settings.S.ScrollWheelDecelerator);
}
if (this.cont.VerticalScroll.Value != v.Value)
{
this.cont.VerticalScroll.Value = v.Value;
}
});
this.cont.MouseWheel += scroll;
this.MouseWheel += scroll;
}
public ScrollPanel() : base()
{
FakeScroll = new VScrollBar();
this.Controls.Add(FakeScroll);
FakeScroll.Dock = DockStyle.Right;
FakeScroll.Enabled = false;
FakeScroll.BringToFront();
this.AutoScroll = true;
FakeScroll.Visible = !VerticalScroll.Visible;
STimer = new System.Timers.Timer();
STimer.Interval = 50;
STimer.Elapsed += Tick;
STimer.Start();
}
private void DoResize()
{
#if REPMAN_COMPACT
if (Parent == null)
{
return;
}
if ((HBar == null) && (FAutoScale != AutoScaleType.EntirePage))
{
HBar = new System.Windows.Forms.HScrollBar();
VBar = new System.Windows.Forms.VScrollBar();
HBar.Top = Height - HBar.Height;
HBar.Left = 0;
HBar.Width = Width;
VBar.Left = Width - VBar.Width;
VBar.Top = 0;
VBar.Height = Height - HBar.Height;
FBarWidth = VBar.Width;
FBarHeight = HBar.Height;
HBar.Parent = this;
VBar.Parent = this;
HBar.BringToFront();
VBar.BringToFront();
HBar.ValueChanged += new EventHandler(DoHBarChange);
VBar.ValueChanged += new EventHandler(DoVBarChange);
HBar.Maximum = image.Width - (Width - VBar.Width);
VBar.Maximum = image.Height - (Height - HBar.Height);
HBar.Minimum = 0;
VBar.Minimum = 0;
}
#else
int hoffset = FBarWidth;
int voffset = FBarHeight;
if (!HScroll)
{
voffset = 0;
}
if (!VScroll)
{
hoffset = 0;
}
int imLeft, imTop;
imLeft = 0;
imTop = 0;
if (Parent == null)
{
return;
}
if (image.Width < Parent.ClientSize.Width - hoffset)
{
imLeft = (Parent.ClientSize.Width - image.Width - hoffset) / 2;
}
if (image.Height < Parent.ClientSize.Height - voffset)
{
imTop = (Parent.ClientSize.Height - image.Height - voffset) / 2;
}
int newleft = imLeft - Math.Abs(AutoScrollPosition.X);
int newtop = imTop - Math.Abs(AutoScrollPosition.Y);
if ((image.Left != newleft) || (image.Top != newtop))
{
image.SetBounds(newleft, newtop, image.Width, image.Height);
}
#endif
}
