void SetupHorizontalScrollButtonProperties(RenderElement container)
{
var scroll_button = new ScrollBarButton(10, this.Height, this); //create with default value
scroll_button.BackColor = KnownColors.FromKnownColor(KnownColor.DarkBlue);
int thumbPosX = CalculateThumbPosition() + minmax_boxHeight;
scroll_button.SetLocation(thumbPosX, 0);
container.AddChild(scroll_button);
this.scrollButton = scroll_button;
//----------------------------
EvaluateHorizontalScrollBarProperties();
//----------------------------
//3. drag
scroll_button.MouseDrag += (s, e) =>
{
//dragging ...
Point pos = scroll_button.Position;
//if vscroll bar then move only y axis
int newXPos = (int)(pos.X + e.DiffCapturedX);
//clamp!
if (newXPos >= this.Width - (minmax_boxHeight + scrollButton.Width))
{
newXPos = this.Width - (minmax_boxHeight + scrollButton.Width);
}
else if (newXPos < minmax_boxHeight)
{
newXPos = minmax_boxHeight;
}
//calculate value from position
int currentMarkAt = (newXPos - minmax_boxHeight);
this.scrollValue = (float)(onePixelFor * currentMarkAt);
newXPos = CalculateThumbPosition() + minmax_boxHeight;
scroll_button.SetLocation(newXPos, pos.Y);
if (this.UserScroll != null)
{
this.UserScroll(this, EventArgs.Empty);
}
e.StopPropagation();
};
}
void UpdateScrollButtonPosition()
{
switch (this.ScrollBarType)
{
default:
case ScrollBarType.Vertical:
{
int thumbPosY = CalculateThumbPosition() + minmax_boxHeight;
scrollButton.SetLocation(0, thumbPosY);
} break;
case ScrollBarType.Horizontal:
{
int thumbPosX = CalculateThumbPosition() + minmax_boxHeight;
scrollButton.SetLocation(thumbPosX, 0);
} break;
}
}
void UpdateScrollButtonPosition()
{
if (scrollButton == null)
{
return;
}
switch (this.ScrollBarType)
{
default:
case ScrollBarType.Vertical:
{
int thumbPosY = CalculateThumbPosition();
scrollButton.SetLocation(0, thumbPosY);
}
break;
case ScrollBarType.Horizontal:
{
int thumbPosX = CalculateThumbPosition();
scrollButton.SetLocation(thumbPosX, 0);
}
break;
}
}
void SetupMaxButtonProperties(RenderElement container)
{
ScrollBarButton max_button;
if (this.ScrollBarType == ScrollBarType.Horizontal)
{
max_button = new ScrollBarButton(minmax_boxHeight, this.Height, this);
max_button.SetLocation(this.Width - minmax_boxHeight, 0);
}
else
{
max_button = new ScrollBarButton(this.Width, minmax_boxHeight, this);
max_button.SetLocation(0, this.Height - minmax_boxHeight);
}
max_button.BackColor = KnownColors.FromKnownColor(KnownColor.DarkGray);
max_button.MouseUp += (s, e) => this.StepSmallToMax();
container.AddChild(max_button);
this.maxButton = max_button;
}
void SetupHorizontalScrollButtonProperties(RenderElement container)
{
//TODO: use 'theme-concept' eg. css
var scroll_button = new ScrollBarButton(SCROLL_BOX_SIZE_LIMIT, this.Height, this); //create with default value
scroll_button.BackColor = KnownColors.FromKnownColor(KnownColor.DarkBlue);
int thumbPosX = CalculateThumbPosition();
scroll_button.SetLocation(thumbPosX, 0);
container.AddChild(scroll_button);
this.scrollButton = scroll_button;
//----------------------------
EvaluateHorizontalScrollBarProperties();
//----------------------------
//3. drag
scroll_button.MouseDrag += (s, e) =>
{
//dragging ...
Point pos = scroll_button.Position;
int newXPos = (int)(pos.X + e.DiffCapturedX);
//clamp!
if (newXPos >= this.Width - (scrollButton.Width))
{
newXPos = this.Width - (scrollButton.Width);
}
else if (newXPos < 0)
{
newXPos = 0;
}
//calculate value from position
int currentMarkAt = newXPos;
this.scrollRangeLogic.SetValue((float)(onePixelFor * currentMarkAt));
newXPos = CalculateThumbPosition();
scroll_button.SetLocation(newXPos, pos.Y);
if (this.UserScroll != null)
{
this.UserScroll(this, EventArgs.Empty);
}
e.StopPropagation();
};
////-------------------------------------------
////4.
//scroll_button.MouseLeave += (s, e) =>
//{
// if (e.IsDragging)
// {
// Point pos = scroll_button.Position;
// //if vscroll bar then move only y axis
// int newXPos = (int)(pos.X + e.XDiff);
// //clamp!
// if (newXPos >= this.Width - (minmax_boxHeight + scrollButton.Width))
// {
// newXPos = this.Width - (minmax_boxHeight + scrollButton.Width);
// }
// else if (newXPos < minmax_boxHeight)
// {
// newXPos = minmax_boxHeight;
// }
// //calculate value from position
// int currentMarkAt = (newXPos - minmax_boxHeight);
// this.scrollValue = (float)(onePixelFor * currentMarkAt);
// newXPos = CalculateThumbPosition() + minmax_boxHeight;
// scroll_button.SetLocation(newXPos, pos.Y);
// if (this.UserScroll != null)
// {
// this.UserScroll(this, EventArgs.Empty);
// }
// e.StopPropagation();
// }
//};
}
void SetupHorizontalScrollButtonProperties(RenderElement container)
{
var scroll_button = new ScrollBarButton(10, this.Height, this); //create with default value
scroll_button.BackColor = KnownColors.FromKnownColor(KnownColor.DarkBlue);
int thumbPosX = CalculateThumbPosition() + minmax_boxHeight;
scroll_button.SetLocation(thumbPosX, 0);
container.AddChild(scroll_button);
this.scrollButton = scroll_button;
//----------------------------
EvaluateHorizontalScrollBarProperties();
//----------------------------
//3. drag
scroll_button.MouseDrag += (s, e) =>
{
//dragging ...
Point pos = scroll_button.Position;
//if vscroll bar then move only y axis
int newXPos = (int)(pos.X + e.DiffCapturedX);
//clamp!
if (newXPos >= this.Width - (minmax_boxHeight + scrollButton.Width))
{
newXPos = this.Width - (minmax_boxHeight + scrollButton.Width);
}
else if (newXPos < minmax_boxHeight)
{
newXPos = minmax_boxHeight;
}
//calculate value from position
int currentMarkAt = (newXPos - minmax_boxHeight);
this.scrollValue = (float)(onePixelFor * currentMarkAt);
newXPos = CalculateThumbPosition() + minmax_boxHeight;
scroll_button.SetLocation(newXPos, pos.Y);
if (this.UserScroll != null)
{
this.UserScroll(this, EventArgs.Empty);
}
e.StopPropagation();
};
}
void SetupMaxButtonProperties(RenderElement container)
{
ScrollBarButton max_button;
if (this.ScrollBarType == ScrollBarType.Horizontal)
{
max_button = new ScrollBarButton(minmax_boxHeight, this.Height, this);
max_button.SetLocation(this.Width - minmax_boxHeight, 0);
}
else
{
max_button = new ScrollBarButton(this.Width, minmax_boxHeight, this);
max_button.SetLocation(0, this.Height - minmax_boxHeight);
}
max_button.BackColor = KnownColors.FromKnownColor(KnownColor.DarkGray);
max_button.MouseUp += (s, e) => this.StepSmallToMax();
container.AddChild(max_button);
this.maxButton = max_button;
}