protected override void Select(bool directed, bool forward)
{
if (directed && !forward)
{
activeGrabber = ActiveGrabberEnum.Max;
Invalidate(true);
}
else
{
activeGrabber = ActiveGrabberEnum.Min;
Invalidate(true);
}
base.Select(directed, forward);
}
/// <summary>
/// Handles MouseDown-event.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMouseDown(object sender, MouseEventArgs e)
{
if (!Enabled)
{
return;
}
Rectangle lMarkRect = new Rectangle(Math.Min(lGrabberPoints[0].X, lGrabberPoints[1].X), Math.Min(lGrabberPoints[0].Y, lGrabberPoints[3].Y),
Math.Abs(lGrabberPoints[2].X - lGrabberPoints[0].X), Math.Max(Math.Abs(lGrabberPoints[0].Y - lGrabberPoints[3].Y), Math.Abs(lGrabberPoints[0].Y - lGrabberPoints[1].Y)));
Rectangle rMarkRect = new Rectangle(Math.Min(rGrabberPoints[0].X, rGrabberPoints[2].X), Math.Min(rGrabberPoints[0].Y, rGrabberPoints[1].Y),
Math.Abs(rGrabberPoints[0].X - rGrabberPoints[2].X), Math.Max(Math.Abs(rGrabberPoints[2].Y - rGrabberPoints[0].Y), Math.Abs(rGrabberPoints[1].Y - rGrabberPoints[0].Y)));
// save current value, even if not necessary
oldRangeMin = rangeMin;
oldRangeMax = rangeMax;
if (lMarkRect.Contains(e.X, e.Y))
{
Capture = true;
moveLGrabber = true;
activeGrabber = ActiveGrabberEnum.Min;
Invalidate(true);
}
if (rMarkRect.Contains(e.X, e.Y))
{
Capture = true;
moveRGrabber = true;
activeGrabber = ActiveGrabberEnum.Max;
Invalidate(true);
}
if (bGrabberRect.Contains(e.X, e.Y))
{
mouseGrabOriginX = e.X;
mouseGrabOriginY = e.Y;
oldPosRangeMin = posRangeMin;
oldPosRangeMax = posRangeMax;
Capture = true;
moveBGrabber = true;
activeGrabber = ActiveGrabberEnum.Both;
Invalidate(true);
}
}
protected override bool ProcessTabKey(bool forward)
{
if (!this.TabStop)
{
return(base.ProcessTabKey(forward));
}
if (!forward && activeGrabber == ActiveGrabberEnum.Max)
{
activeGrabber = ActiveGrabberEnum.Both;
Invalidate(true);
return(true);
}
if (!forward && activeGrabber == ActiveGrabberEnum.Both)
{
activeGrabber = ActiveGrabberEnum.Min;
Invalidate(true);
return(true);
}
if (forward && activeGrabber == ActiveGrabberEnum.Min)
{
activeGrabber = ActiveGrabberEnum.Both;
Invalidate(true);
return(true);
}
if (forward && activeGrabber == ActiveGrabberEnum.Both)
{
activeGrabber = ActiveGrabberEnum.Max;
Invalidate(true);
return(true);
}
return(base.ProcessTabKey(forward));
}
private void OnLeave(object sender, EventArgs e)
{
activeGrabber=ActiveGrabberEnum.None;
Invalidate(true);
}
/// <summary>
/// Handles MouseMove-event.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMouseMove(object sender, MouseEventArgs e)
{
if(!Enabled) return;
Rectangle lMarkRect=new Rectangle(Math.Min(lGrabberPoints[0].X, lGrabberPoints[1].X), Math.Min(lGrabberPoints[0].Y, lGrabberPoints[3].Y),
Math.Abs(lGrabberPoints[2].X-lGrabberPoints[0].X), Math.Max(Math.Abs(lGrabberPoints[0].Y-lGrabberPoints[3].Y), Math.Abs(lGrabberPoints[0].Y-lGrabberPoints[1].Y)));
Rectangle rMarkRect=new Rectangle(Math.Min(rGrabberPoints[0].X, rGrabberPoints[2].X), Math.Min(rGrabberPoints[0].Y, rGrabberPoints[1].Y),
Math.Abs(rGrabberPoints[0].X-rGrabberPoints[2].X), Math.Max(Math.Abs(rGrabberPoints[2].Y-rGrabberPoints[0].Y), Math.Abs(rGrabberPoints[1].Y-rGrabberPoints[0].Y)));
if(lMarkRect.Contains(e.X, e.Y)||rMarkRect.Contains(e.X, e.Y)||bGrabberRect.Contains(e.X, e.Y))
{
if(orientationBar==RangeBarOrientation.LeftRight) Cursor=Cursors.SizeWE;
else Cursor=Cursors.SizeNS;
}
else Cursor=Cursors.Arrow;
if(moveLGrabber)
{
if(orientationBar==RangeBarOrientation.LeftRight)
{
posRangeMin=e.X;
Cursor=Cursors.SizeWE;
}
else
{
posRangeMin=e.Y;
Cursor=Cursors.SizeNS;
}
if(posRangeMin<posLimitMin) posRangeMin=posLimitMin;
if(posRangeMin>posLimitMax) posRangeMin=posLimitMax;
if(posRangeMax<posRangeMin) posRangeMax=posRangeMin;
Pos2Range();
activeGrabber=ActiveGrabberEnum.Min;
Invalidate(true);
OnRangeChanging(new RangeChangingEventArgs(rangeMin, rangeMax, oldRangeMin, oldRangeMax));
}
else if(moveRGrabber)
{
if(orientationBar==RangeBarOrientation.LeftRight)
{
posRangeMax=e.X;
Cursor=Cursors.SizeWE;
}
else
{
posRangeMax=e.Y;
Cursor=Cursors.SizeNS;
}
if(posRangeMax>posLimitMax) posRangeMax=posLimitMax;
if(posRangeMax<posLimitMin) posRangeMax=posLimitMin;
if(posRangeMin>posRangeMax) posRangeMin=posRangeMax;
Pos2Range();
activeGrabber=ActiveGrabberEnum.Max;
Invalidate(true);
OnRangeChanging(new RangeChangingEventArgs(rangeMin, rangeMax, oldRangeMin, oldRangeMax));
}
else if(moveBGrabber)
{
int delta=0;
if(orientationBar==RangeBarOrientation.LeftRight)
{
delta=e.X-mouseGrabOriginX;
Cursor=Cursors.SizeWE;
}
else
{
delta=e.Y-mouseGrabOriginY;
Cursor=Cursors.SizeNS;
}
if(oldPosRangeMin+delta<posLimitMin) delta=posLimitMin-oldPosRangeMin;
else if(oldPosRangeMax+delta>posLimitMax) delta=posLimitMax-oldPosRangeMax;
posRangeMin=oldPosRangeMin+delta;
posRangeMax=oldPosRangeMax+delta;
Pos2Range();
activeGrabber=ActiveGrabberEnum.Both;
Invalidate(true);
OnRangeChanging(new RangeChangingEventArgs(rangeMin, rangeMax, oldRangeMin, oldRangeMax));
}
}
/// <summary>
/// Handles MouseDown-event.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMouseDown(object sender, MouseEventArgs e)
{
if(!Enabled) return;
Rectangle lMarkRect=new Rectangle(Math.Min(lGrabberPoints[0].X, lGrabberPoints[1].X), Math.Min(lGrabberPoints[0].Y, lGrabberPoints[3].Y),
Math.Abs(lGrabberPoints[2].X-lGrabberPoints[0].X), Math.Max(Math.Abs(lGrabberPoints[0].Y-lGrabberPoints[3].Y), Math.Abs(lGrabberPoints[0].Y-lGrabberPoints[1].Y)));
Rectangle rMarkRect=new Rectangle(Math.Min(rGrabberPoints[0].X, rGrabberPoints[2].X), Math.Min(rGrabberPoints[0].Y, rGrabberPoints[1].Y),
Math.Abs(rGrabberPoints[0].X-rGrabberPoints[2].X), Math.Max(Math.Abs(rGrabberPoints[2].Y-rGrabberPoints[0].Y), Math.Abs(rGrabberPoints[1].Y-rGrabberPoints[0].Y)));
// save current value, even if not necessary
oldRangeMin=rangeMin;
oldRangeMax=rangeMax;
if(lMarkRect.Contains(e.X, e.Y))
{
Capture=true;
moveLGrabber=true;
activeGrabber=ActiveGrabberEnum.Min;
Invalidate(true);
}
if(rMarkRect.Contains(e.X, e.Y))
{
Capture=true;
moveRGrabber=true;
activeGrabber=ActiveGrabberEnum.Max;
Invalidate(true);
}
if(bGrabberRect.Contains(e.X, e.Y))
{
mouseGrabOriginX=e.X;
mouseGrabOriginY=e.Y;
oldPosRangeMin=posRangeMin;
oldPosRangeMax=posRangeMax;
Capture=true;
moveBGrabber=true;
activeGrabber=ActiveGrabberEnum.Both;
Invalidate(true);
}
}
protected override void Select(bool directed, bool forward)
{
if(directed&&!forward)
{
activeGrabber=ActiveGrabberEnum.Max;
Invalidate(true);
}
else
{
activeGrabber=ActiveGrabberEnum.Min;
Invalidate(true);
}
base.Select(directed, forward);
}
protected override bool ProcessTabKey(bool forward)
{
if(!this.TabStop) return base.ProcessTabKey(forward);
if(!forward&&activeGrabber==ActiveGrabberEnum.Max)
{
activeGrabber=ActiveGrabberEnum.Both;
Invalidate(true);
return true;
}
if(!forward&&activeGrabber==ActiveGrabberEnum.Both)
{
activeGrabber=ActiveGrabberEnum.Min;
Invalidate(true);
return true;
}
if(forward&&activeGrabber==ActiveGrabberEnum.Min)
{
activeGrabber=ActiveGrabberEnum.Both;
Invalidate(true);
return true;
}
if(forward&&activeGrabber==ActiveGrabberEnum.Both)
{
activeGrabber=ActiveGrabberEnum.Max;
Invalidate(true);
return true;
}
return base.ProcessTabKey(forward);
}
/// <summary>
/// Handles MouseMove-event.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnMouseMove(object sender, MouseEventArgs e)
{
if (!Enabled)
{
return;
}
Rectangle lMarkRect = new Rectangle(Math.Min(lGrabberPoints[0].X, lGrabberPoints[1].X), Math.Min(lGrabberPoints[0].Y, lGrabberPoints[3].Y),
Math.Abs(lGrabberPoints[2].X - lGrabberPoints[0].X), Math.Max(Math.Abs(lGrabberPoints[0].Y - lGrabberPoints[3].Y), Math.Abs(lGrabberPoints[0].Y - lGrabberPoints[1].Y)));
Rectangle rMarkRect = new Rectangle(Math.Min(rGrabberPoints[0].X, rGrabberPoints[2].X), Math.Min(rGrabberPoints[0].Y, rGrabberPoints[1].Y),
Math.Abs(rGrabberPoints[0].X - rGrabberPoints[2].X), Math.Max(Math.Abs(rGrabberPoints[2].Y - rGrabberPoints[0].Y), Math.Abs(rGrabberPoints[1].Y - rGrabberPoints[0].Y)));
if (lMarkRect.Contains(e.X, e.Y) || rMarkRect.Contains(e.X, e.Y) || bGrabberRect.Contains(e.X, e.Y))
{
if (orientationBar == RangeBarOrientation.LeftRight)
{
Cursor = Cursors.SizeWE;
}
else
{
Cursor = Cursors.SizeNS;
}
}
else
{
Cursor = Cursors.Arrow;
}
if (moveLGrabber)
{
if (orientationBar == RangeBarOrientation.LeftRight)
{
posRangeMin = e.X;
Cursor = Cursors.SizeWE;
}
else
{
posRangeMin = e.Y;
Cursor = Cursors.SizeNS;
}
if (posRangeMin < posLimitMin)
{
posRangeMin = posLimitMin;
}
if (posRangeMin > posLimitMax)
{
posRangeMin = posLimitMax;
}
if (posRangeMax < posRangeMin)
{
posRangeMax = posRangeMin;
}
Pos2Range();
activeGrabber = ActiveGrabberEnum.Min;
Invalidate(true);
OnRangeChanging(new RangeChangingEventArgs(rangeMin, rangeMax, oldRangeMin, oldRangeMax));
}
else if (moveRGrabber)
{
if (orientationBar == RangeBarOrientation.LeftRight)
{
posRangeMax = e.X;
Cursor = Cursors.SizeWE;
}
else
{
posRangeMax = e.Y;
Cursor = Cursors.SizeNS;
}
if (posRangeMax > posLimitMax)
{
posRangeMax = posLimitMax;
}
if (posRangeMax < posLimitMin)
{
posRangeMax = posLimitMin;
}
if (posRangeMin > posRangeMax)
{
posRangeMin = posRangeMax;
}
Pos2Range();
activeGrabber = ActiveGrabberEnum.Max;
Invalidate(true);
OnRangeChanging(new RangeChangingEventArgs(rangeMin, rangeMax, oldRangeMin, oldRangeMax));
}
else if (moveBGrabber)
{
int delta = 0;
if (orientationBar == RangeBarOrientation.LeftRight)
{
delta = e.X - mouseGrabOriginX;
Cursor = Cursors.SizeWE;
}
else
{
delta = e.Y - mouseGrabOriginY;
Cursor = Cursors.SizeNS;
}
if (oldPosRangeMin + delta < posLimitMin)
{
delta = posLimitMin - oldPosRangeMin;
}
else if (oldPosRangeMax + delta > posLimitMax)
{
delta = posLimitMax - oldPosRangeMax;
}
posRangeMin = oldPosRangeMin + delta;
posRangeMax = oldPosRangeMax + delta;
Pos2Range();
activeGrabber = ActiveGrabberEnum.Both;
Invalidate(true);
OnRangeChanging(new RangeChangingEventArgs(rangeMin, rangeMax, oldRangeMin, oldRangeMax));
}
}
protected override bool ProcessDialogKey(Keys keyData)
{
if (!Enabled)
{
return(base.ProcessDialogKey(keyData));
}
if ((keyData & (Keys.Alt | Keys.Control)) == Keys.None)
{
Keys keys = keyData & Keys.KeyCode;
ActiveGrabberEnum grabber = activeGrabber;
if (orientationBar == RangeBarOrientation.BottomUp)
{
if (grabber == ActiveGrabberEnum.Min)
{
grabber = ActiveGrabberEnum.Max;
}
else if (grabber == ActiveGrabberEnum.Max)
{
grabber = ActiveGrabberEnum.Min;
}
switch (keys)
{
case Keys.Left:
case Keys.Up: keys = Keys.Down; break;
case Keys.Right:
case Keys.Down: keys = Keys.Up; break;
}
}
int steps = (keyData & Keys.Shift) == Keys.Shift?giantStepSize:1;
switch (keys)
{
case Keys.Left:
case Keys.Up:
if (grabber == ActiveGrabberEnum.Min)
{
rangeMin -= steps;
if (rangeMin < limitMin)
{
rangeMin = limitMin;
}
OnRangeChanged(new RangeChangedEventArgs(rangeMin, rangeMax));
Invalidate(true);
}
else if (grabber == ActiveGrabberEnum.Max)
{
rangeMax -= steps;
if (rangeMax < limitMin)
{
rangeMax = limitMin;
}
if (rangeMax < rangeMin)
{
rangeMin = rangeMax;
}
OnRangeChanged(new RangeChangedEventArgs(rangeMin, rangeMax));
Invalidate(true);
}
else if (grabber == ActiveGrabberEnum.Both)
{
if (rangeMin - steps < limitMin)
{
steps = rangeMin - limitMin;
}
rangeMin -= steps;
rangeMax -= steps;
OnRangeChanged(new RangeChangedEventArgs(rangeMin, rangeMax));
Invalidate(true);
}
return(true);
case Keys.Right:
case Keys.Down:
if (grabber == ActiveGrabberEnum.Max)
{
rangeMax += steps;
if (rangeMax > limitMax)
{
rangeMax = limitMax;
}
OnRangeChanged(new RangeChangedEventArgs(rangeMin, rangeMax));
Invalidate(true);
}
else if (grabber == ActiveGrabberEnum.Min)
{
rangeMin += steps;
if (rangeMin > limitMax)
{
rangeMin = limitMax;
}
if (rangeMax < rangeMin)
{
rangeMax = rangeMin;
}
OnRangeChanged(new RangeChangedEventArgs(rangeMin, rangeMax));
Invalidate(true);
}
else if (grabber == ActiveGrabberEnum.Both)
{
if (rangeMax + steps > limitMax)
{
steps = limitMax - rangeMax;
}
rangeMin += steps;
rangeMax += steps;
OnRangeChanged(new RangeChangedEventArgs(rangeMin, rangeMax));
Invalidate(true);
}
return(true);
case Keys.Tab:
if (this.ProcessTabKey((keyData & Keys.Shift) == Keys.None))
{
return(true);
}
break;
}
}
return(base.ProcessDialogKey(keyData));
}
private void OnLeave(object sender, EventArgs e)
{
activeGrabber = ActiveGrabberEnum.None;
Invalidate(true);
}
