public override void LayoutCore()
{
int ScrollbarSize = Scrollbar.InitialSize;
Scrollable.Bounds.Location = this.Bounds.Location;
int ScrollbarsMargin = (this.ScrollbarsVisible ? ScrollbarSize : 0);
Scrollable.Bounds.Size.X = this.Bounds.Size.X - ScrollbarsMargin;
Scrollable.Bounds.Size.Y = this.Bounds.Size.Y - ScrollbarsMargin;
Scrollable.LayoutCore();
VScroll.Bounds.Location.Set(Scrollable.Bounds.Right, Scrollable.Bounds.Location.Y);
VScroll.Bounds.Size.Set(ScrollbarSize, Scrollable.Bounds.Size.Y);
VScroll.LayoutCore();
HScroll.Bounds.Location.Set(Scrollable.Bounds.Location.X, Scrollable.Bounds.Bottom);
HScroll.Bounds.Size.Set(Scrollable.Bounds.Size.X, ScrollbarSize);
HScroll.LayoutCore();
BottomRightCorner.Bounds.Location.Set(VScroll.Bounds.Location.X, HScroll.Bounds.Location.Y);
BottomRightCorner.Bounds.Size.Set(VScroll.Bounds.Size.X, HScroll.Bounds.Size.Y);
VScroll.SyncToView();
HScroll.SyncToView();
}
public void ScrollContentX(int NewPosition)
{
if (!HScroll.Thumb.Visible)
{
return;
}
Scrollable.ScrollToX(NewPosition);
HScroll.SyncToView();
}
public void AdjustVisibleArea()
{
VScroll.SuspendLayout();
HScroll.SuspendLayout();
Label.SuspendLayout();
AdjustVisibleArea(Cursor.Selection.X, Cursor.GetRealY(Cursor.Selection.Y));
AdjustVisibleArea(Cursor.Location.X, Cursor.GetRealY(Cursor.Location.Y));
UpdateLabel(Cursor.Location.Y + 1, Math.Min(Text.Lines[Cursor.Location.Y].Length, Cursor.Location.X) + 1);
VScroll.ResumeLayout();
VScroll.ResumeLayout();
HScroll.ResumeLayout();
Label.ResumeLayout();
}
protected virtual void OnHScroll(ScrollEventArgs e)
{
// repaint the moved tabs
Invalidate();
// Raise the event
HScroll?.Invoke(this, e);
if (e.Type == ScrollEventType.EndScroll)
{
_oldValue = e.NewValue;
}
}
public void ScrollContentXY(int x, int y)
{
if (VScroll.Thumb.Visible)
{
Scrollable.ScrollToY(y);
VScroll.SyncToView();
}
if (HScroll.Thumb.Visible)
{
Scrollable.ScrollToX(x);
HScroll.SyncToView();
}
// RaiseNeedRedraw(this);
}
void Panel_MouseWheel(Control sender, MouseEventArgs args)
{
// scroll
if (UseWheelForHScroll)
{
HScroll.Scroll(Gui.MouseScroll);
}
else
{
VScroll.Scroll(Gui.MouseScroll);
}
// consume the mouse event
args.Cancel = true;
}
protected override void WndProc(ref Message m)
{
if (m.Msg == WM_HSCROLL)
{
HScroll?.Invoke(this, new EventArgs());
}
//else if (m.Msg == WM_VSCROLL)
//{
// VScroll?.Invoke(this, new EventArgs());
//}
// 同 20 一样的还有：15 4140 49892
else if (m.Msg == 15) // 鼠标滚动，上下键 控制屏幕滚动
{
VScroll?.Invoke(this, new EventArgs());
}
base.WndProc(ref m);
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Graphics grfx = pea.Graphics;
Brush brush = new SolidBrush(ForeColor);
int iCount = SysInfoStrings.Count;
string[] astrLabels = SysInfoStrings.Labels;
string[] astrValues = SysInfoStrings.Values;
for (int i = 0; i < iCount; i++)
{
grfx.DrawString(astrLabels[i], Font, brush, 0, cySpace * i);
grfx.DrawString(astrValues[i], Font, brush, cxCol, cySpace * i);
}
// test Выводим данные свойств класса ScrollableControl, наследуемого экземпляром panel
grfx.DrawString(HScroll.ToString(), Font, brush, 400, 100);
grfx.DrawString(VScroll.ToString(), Font, brush, 426, 100);
grfx.DrawString(AutoScrollPosition.ToString(), Font, brush, 400, 100 + cySpace);
}
protected void Scrollable_ContentSizeChanged(IShape ResizedShape, Point OldSize)
{
VScroll.SyncToView();
HScroll.SyncToView();
// RaiseNeedRedraw(this);
}
public XmlNode GenerateXML()
{
// Create XML Node and Attributes
XmlDocument d = new XmlDocument();
XmlNode output = d.CreateNode("element", "InputText", null);
XmlAttribute adValidate = d.CreateAttribute("ADValidate");
XmlAttribute _default = d.CreateAttribute("Default");
XmlAttribute forceCase = d.CreateAttribute("ForceCase");
XmlAttribute hint = d.CreateAttribute("Hint");
XmlAttribute hScroll = d.CreateAttribute("HScroll");
XmlAttribute password = d.CreateAttribute("Password");
XmlAttribute prompt = d.CreateAttribute("Prompt");
XmlAttribute question = d.CreateAttribute("Question");
XmlAttribute regEx = d.CreateAttribute("RegEx");
XmlAttribute required = d.CreateAttribute("Required");
XmlAttribute variable = d.CreateAttribute("Variable");
XmlAttribute condition = d.CreateAttribute("Condition");
// Set Attribute Values
adValidate.Value = ADValidate;
_default.Value = Default;
forceCase.Value = ForceCase;
hint.Value = Hint;
hScroll.Value = HScroll.ToString();
password.Value = Password.ToString();
prompt.Value = Prompt;
question.Value = Question;
regEx.Value = RegEx;
required.Value = Required.ToString();
variable.Value = Variable;
condition.Value = Condition;
// Append Attributes
if (!string.IsNullOrEmpty(ADValidate))
{
output.Attributes.Append(adValidate);
}
if (!string.IsNullOrEmpty(Default))
{
output.Attributes.Append(_default);
}
if (!string.IsNullOrEmpty(ForceCase))
{
output.Attributes.Append(forceCase);
}
if (!string.IsNullOrEmpty(Hint))
{
output.Attributes.Append(hint);
}
if (null != HScroll)
{
output.Attributes.Append(hScroll);
}
if (null != Password)
{
output.Attributes.Append(password);
}
if (!string.IsNullOrEmpty(Prompt))
{
output.Attributes.Append(prompt);
}
if (!string.IsNullOrEmpty(Question))
{
output.Attributes.Append(question);
}
if (!string.IsNullOrEmpty(RegEx))
{
output.Attributes.Append(regEx);
}
if (null != Required)
{
output.Attributes.Append(required);
}
if (!string.IsNullOrEmpty(Variable))
{
output.Attributes.Append(variable);
}
if (!string.IsNullOrEmpty(Condition))
{
output.Attributes.Append(condition);
}
return output;
}
