/// <summary>
/// Gets the target associated with a mouse location.
/// </summary>
/// <param name="mousePos">Mouse position.</param>
/// <param name="target">Incoming target.</param>
/// <returns>Target instance; otherwise null.</returns>
public override Target FindTarget(Point mousePos, Target target)
{
// Is the mouse contained in the inside client rectangle?
bool hotInside = _screenRect.Contains(mousePos);
// Change in hot state?
if (hotInside != _hotInside)
{
// Do we need to create the feedback indicators?
if (hotInside)
{
// Create the different indicator instances
_dropLeft = new DropIndicators(_squares, false, true, false, false, false);
_dropRight = new DropIndicators(_squares, false, false, true, false, false);
_dropTop = new DropIndicators(_squares, false, false, false, true, false);
_dropBottom = new DropIndicators(_squares, false, false, false, false, true);
// Ask the window to be shown within the provided rectangle
_dropLeft.ShowRelative(_screenRect);
_dropRight.ShowRelative(_screenRect);
_dropTop.ShowRelative(_screenRect);
_dropBottom.ShowRelative(_screenRect);
}
else
{
_active = 0;
Cleanup();
}
// Update state
_hotInside = hotInside;
}
// Check the mouse position against the available drop indicators
if (_hotInside)
{
int active = 0;
// Can only test against indicators if hot zone not already defined
if (target == null)
{
// Find the newly active indicator
active = _dropLeft.ScreenMouseMove(mousePos);
if (active == 0)
{
active = _dropRight.ScreenMouseMove(mousePos);
}
if (active == 0)
{
active = _dropTop.ScreenMouseMove(mousePos);
}
if (active == 0)
{
active = _dropBottom.ScreenMouseMove(mousePos);
}
}
// Only interested in a change of active value
if (_active != active)
{
// Use new value
_active = active;
// If no longer need the indicators, remove them!
if (_active == 0)
{
_dropLeft.MouseReset();
_dropRight.MouseReset();
_dropTop.MouseReset();
_dropBottom.MouseReset();
}
}
// Use the current active hot zone
switch (_active)
{
case 1:
target = _left;
break;
case 2:
target = _right;
break;
case 3:
target = _top;
break;
case 4:
target = _bottom;
break;
}
}
return(target);
}
/// <summary>
/// Find the new hot zone to use.
/// </summary>
/// <param name="mousePos">Screen mouse position.</param>
/// <param name="hotZone">Incoming hot zone.</param>
/// <param name="suppress">Suppress subsequent indicators.</param>
/// <returns>New hot zone.</returns>
public override HotZone FindHotZone(Point mousePos, HotZone hotZone, ref bool suppress)
{
// Is the mouse contained in the inside hot rectangle?
bool hotInside = _insideRect.Contains(mousePos) && !suppress;
// Change in hot state?
if (hotInside != _hotInside)
{
// Do we need to create the feedback indicator?
if (hotInside)
{
// Create the indicator feedback
_drop = new DropIndicators(_squares, false, true, true, true, true);
// Ask the window to be shown within the provided rectangle
_drop.ShowRelative(_insideRect);
}
else
{
_active = 0;
Cleanup();
}
// Update state
_hotInside = hotInside;
}
// Check the mouse position against the available drop indicators
if (_hotInside)
{
int active = 0;
// Can only test against indicators if hot zone not already defined
if (hotZone == null)
{
// Find the newly active indicator
active = _drop.ScreenMouseMove(mousePos);
}
// Only interested in a change of active value
if (_active != active)
{
// Use new value
_active = active;
// If no longer need the indicators, remove them!
if (_active == 0)
{
_drop.MouseReset();
}
}
// Use the current active hot zone
switch (_active)
{
case 1:
hotZone = _hotLeft;
break;
case 2:
hotZone = _hotRight;
break;
case 3:
hotZone = _hotTop;
break;
case 4:
hotZone = _hotBottom;
break;
}
}
return(hotZone);
}
/// <summary>
/// Find the new hot zone to use.
/// </summary>
/// <param name="mousePos">Screen mouse position.</param>
/// <param name="hotZone">Incoming hot zone.</param>
/// <param name="suppress">Suppress subsequent indicators.</param>
/// <returns>New hot zone.</returns>
public override HotZone FindHotZone(Point mousePos, HotZone hotZone, ref bool suppress)
{
// Is the mouse contained in the inside hot rectangle?
bool hotInside = _tabbedRect.Contains(mousePos) && !suppress;
// Change in hot state?
if (hotInside != _hotInside)
{
// Do we need to create the feedback indicator?
if (hotInside)
{
// Indicators depends on direction of zone
bool vert = (_zs.Direction == LayoutDirection.Vertical);
// Create the indicator feedback
_drop = new DropIndicators(_squares,
!_disallowTabbed,
!vert && !_disallowInsert,
!vert && !_disallowInsert,
vert && !_disallowInsert,
vert && !_disallowInsert);
// Ask the window to be shown within the provided rectangle
_drop.ShowRelative(_tabbedRect);
}
else
{
_active = 0;
Cleanup();
}
// Update state
_hotInside = hotInside;
}
// Check the mouse position against the available drop indicators
if (_hotInside)
{
int active = 0;
// Can only test against indicators if hot zone not already defined
if (hotZone == null)
{
// Find the newly active indicator
active = _drop.ScreenMouseMove(mousePos);
}
// Only interested in a change of active value
if (_active != active)
{
// Use new value
_active = active;
// If no longer need the indicators, remove them!
if (_active == 0)
{
_drop.MouseReset();
}
}
// Use the current active hot zone
switch (_active)
{
case 1:
case 3:
hotZone = _hotLT;
break;
case 2:
case 4:
hotZone = _hotRB;
break;
case 5:
hotZone = _hotMiddle;
break;
}
}
// Do we suppress subsequenct indicators?
if (_hotInside && _suppress)
{
suppress = true;
}
return(hotZone);
}