/// <summary>
/// Fires the <i>MouseUp</i> event.
/// </summary>
/// <param name="e"></param>
protected virtual void OnMouseUp(DXMouseEventArgs mea)
{
if (this.mouseUp != null)
{
this.mouseUp(this, mea);
}
}
//have to directly listen to this event because the normal events from the base class
//don't include movement of the mouse within the control, only crossing boundaries.
void ControlHost_MouseActionPerformed(object sender, DXMouseEventArgs e)
{
if (!this.Hovered)
{
return;
}
if (e.MouseAction != MouseAction.Move)
{
return;
}
object newHot;
if (this.expanded)
{
newHot = GetItemAtPoint(new Point(e.MousePosition.X, e.MousePosition.Y));
if (newHot != this.hotItem)
{
this.hotItem = newHot;
}
}
else
{
this.hotItem = null;
}
}
/// <summary>
/// Fires the <i>MouseLeave</i> event.
/// </summary>
protected virtual void OnMouseLeave(DXMouseEventArgs e)
{
this.hovered = false;
if (this.mouseLeave != null)
{
this.mouseLeave(this, e);
}
}
/// <summary>
/// Fires the <i>MouseMove</i> event.
/// </summary>
/// <param name="mea"></param>
protected virtual void OnMouseMove(DXMouseEventArgs mea)
{
this.hovered = true;
if (this.mouseMove != null)
{
this.mouseMove(this, mea);
}
}
/// <summary>
/// Fires the <i>MouseDown</i> event.
/// </summary>
/// <param name="mea"></param>
protected virtual void OnMouseDown(DXMouseEventArgs mea)
{
this.hovered = true;
this.controlClicked = true;
if (this.mouseDown != null)
{
this.mouseDown(this, mea);
}
OnGotFocus();
}
/// <summary>
/// Handles the mouse being pressed down on the <see cref="DXMenuItem"/>.
/// </summary>
/// <param name="mea"></param>
protected override void OnMouseDown(DXMouseEventArgs mea)
{
bool[] buttons = mea.MouseState.GetButtons();
if (buttons[0])
{
if (this.clicked != null)
{
this.clicked(this, EventArgs.Empty);
}
}
base.OnMouseDown(mea);
}
/// <summary>
/// Handles the mouse button being held down over the <see cref="DXListBox"/>.
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(DXMouseEventArgs mea)
{
Point point = new Point(mea.MouseState.X, mea.MouseState.Y);
object item = GetItemAtPoint(point);
if (item != null && item != SelectedItem)
{
SelectedItem = item;
OnSelectedIndexChanged();
}
base.OnMouseDown(mea);
}
private void MouseActionPerformed(object sender, DXMouseEventArgs e)
{
switch (e.MouseAction)
{
case MouseAction.Move:
if (IsMouseOnControl(e.MousePosition))
{
if (!this.hovered)
{
OnMouseMove(e);
}
else if (this.hovered)
{
OnMouseLeave(e);
}
}
break;
case MouseAction.Click:
if (IsMouseOnControl(e.MousePosition))
{
OnMouseDown(e);
}
break;
case MouseAction.Release:
if (IsMouseOnControl(e.MousePosition))
{
if (this.controlClicked)
{
OnClick();
}
OnMouseUp(e);
}
this.controlClicked = false;
break;
}
}
/// <summary>
/// Handles the mouse cursor leaving the <see cref="DXLinkLabel"/>.
/// </summary>
protected override void OnMouseLeave(DXMouseEventArgs e)
{
FontStyle style;
style = FontStyle.Regular;
if (this.Font.Bold)
{
style |= FontStyle.Bold;
}
if (this.Font.Italic)
{
style |= FontStyle.Italic;
}
e.ControlHost.Device.SetCursor(Cursors.Default.Handle, false);
System.Drawing.Font newFont =
new System.Drawing.Font(this.Font.FontFamily,
this.Font.Size, style);
this.Font = newFont;
base.OnMouseLeave(e);
}
/// <summary>
/// Handles the movement of the mouse over the <see cref="DXLinkLabel"/>.
/// </summary>
/// <param name="mea"></param>
protected override void OnMouseMove(DXMouseEventArgs mea)
{
FontStyle style;
style = FontStyle.Underline;
if (this.Font.Bold)
{
style |= FontStyle.Bold;
}
if (this.Font.Italic)
{
style |= FontStyle.Italic;
}
mea.ControlHost.Device.SetCursor(Cursors.Hand.Handle, true);
System.Drawing.Font newFont =
new System.Drawing.Font(this.Font.FontFamily,
this.Font.Size, style);
this.Font = newFont;
base.OnMouseMove(mea);
}
/// <summary>
/// Handles the mouse button being clicked on the <see cref="DXComboBox"/>.
/// </summary>
/// <param name="mea"></param>
protected override void OnMouseDown(DXMouseEventArgs mea)
{
object selected = GetItemAtPoint(new Point(mea.MousePosition.X, mea.MousePosition.Y));
if (selected == null)
{
this.expanded = !this.expanded;
}
else
{
//they've clicked on an item.
this.SelectedItem = selected;
this.expanded = false;
}
if (this.expanded)
{
this.Height = CalcDropDownHeight() + this.collapsedHeight;
}
else
{
this.Height = this.collapsedHeight;
}
base.OnMouseDown(mea);
}
/// <summary>
/// Handles the mouse leaving the <see cref="DXTextBox"/>
/// </summary>
protected override void OnMouseLeave(DXMouseEventArgs e)
{
e.ControlHost.Device.SetCursor(Cursors.Default.Handle, true);
base.OnMouseLeave(e);
}
/// <summary>
/// Handles the mouse moving over the <see cref="DXTextBox"/>.
/// </summary>
/// <param name="mea"></param>
protected override void OnMouseMove(DXMouseEventArgs mea)
{
mea.ControlHost.Device.SetCursor(Cursors.IBeam.Handle, true);
base.OnMouseMove(mea);
}
