/// <summary>
/// Raises the ButtonDragRectangle event.
/// </summary>
/// <param name="e">An ButtonDragRectangleEventArgs containing the event args.</param>
protected virtual void OnButtonDragRectangle(ButtonDragRectangleEventArgs e)
{
if (ButtonDragRectangle != null)
{
ButtonDragRectangle(this, e);
}
}
/// <summary>
/// Mouse button has been pressed in the view.
/// </summary>
/// <param name="c">Reference to the source control instance.</param>
/// <param name="pt">Mouse position relative to control.</param>
/// <param name="button">Mouse button pressed down.</param>
/// <returns>True if capturing input; otherwise false.</returns>
public virtual bool MouseDown(Control c, Point pt, MouseButtons button)
{
// Is the controller allowed to track/click
if (IsOperating)
{
// Only interested in left mouse pressing down
if (button == MouseButtons.Left)
{
// Capturing mouse input
_captured = true;
_draggingAttempt = false;
// Use event to discover the rectangle that causes dragging to begin
ButtonDragRectangleEventArgs args = new ButtonDragRectangleEventArgs(pt);
OnButtonDragRectangle(args);
_dragRect = args.DragRect;
_preDragOffset = args.PreDragOffset;
if (!_fixedPressed)
{
// Update the visual state
UpdateTargetState(pt);
// Do we become fixed in the pressed state until RemoveFixed is called?
if (BecomesFixed)
{
_fixedPressed = true;
}
// Indicate that the mouse wants to select the elment
OnMouseSelect(new MouseEventArgs(MouseButtons.Left, 1, pt.X, pt.Y, 0));
// Generate a click event if we generate click on mouse down
if (ClickOnDown)
{
OnClick(new MouseEventArgs(MouseButtons.Left, 1, pt.X, pt.Y, 0));
// If we need to perform click repeats then use a timer...
if (Repeat)
{
_repeatTimer = new Timer();
_repeatTimer.Interval = SystemInformation.DoubleClickTime;
_repeatTimer.Tick += new EventHandler(OnRepeatTimer);
_repeatTimer.Start();
}
}
}
}
else if (button == MouseButtons.Right)
{
if (!_fixedPressed)
{
// Do we become fixed in the pressed state until RemoveFixed is called?
if (BecomesRightFixed)
{
_fixedPressed = true;
}
// Indicate the right mouse was used on the button
OnRightClick(new MouseEventArgs(MouseButtons.Right, 1, pt.X, pt.Y, 0));
}
}
}
return(_captured);
}