void MSVGauge::drawGauge(void)
{
if (mapped()==MSTrue)
{
int x=sliderAreaRect().x()+SliderAreaShadowThickness;
int y=y_end();
int curValue=valueToPixel(currentValue())+slider()->height();
int startValue;
if(_startValue.isSet()==MSTrue)
{
double sv=_startValue;
if(sv<valueMin()) sv=valueMin();
else if(sv>valueMax()) sv=valueMax();
startValue=valueToPixel(sv)+slider()->height();
}
else startValue=y-SliderAreaShadowThickness;
Direction direction=curValue<startValue?Up:Down;
int thickness=slider()->shadowThickness();
int h=abs(startValue-curValue);
int starty=(direction==Up)?startValue:curValue;
if (h>=thickness&&slider()->width()>thickness*2)
{
int height=h-(h>thickness*2?thickness*2:thickness);
XBFillRectangle(display(),window(),slider()->backgroundShadowGC(),
x+thickness,starty-h+thickness,slider()->width()-2*thickness,height);
}
if (h>thickness&&thickness>0)
{
drawGaugeShadow(x,starty,h,thickness,direction);
}
gaugeHeight(h);
_direction=direction;
}
}
virtual void Render() {
// Draw the axes outside th3e client area
GG::Pt begin(ClientUpperLeft().x - AXIS_WIDTH/2, ClientLowerRight().y + AXIS_HEIGHT/2);
GG::Pt x_end(ClientLowerRight().x, begin.y);
GG::Pt y_end(begin.x, ClientUpperLeft().y);
DrawArrow(begin, x_end);
DrawArrow(begin, y_end);
}
void MSVGauge::updateGauge(int h_)
{
if (mapped()==MSTrue)
{
int x=sliderAreaRect().x()+SliderAreaShadowThickness;
int y=y_end();
int curValue=valueToPixel(h_)+slider()->height();
int startValue;
if(_startValue.isSet()==MSTrue)
{
double sv=_startValue;
if(sv<valueMin()) sv=valueMin();
else if(sv>valueMax()) sv=valueMax();
startValue=valueToPixel(sv)+slider()->height();
}
else startValue=y-SliderAreaShadowThickness;
Direction direction=curValue<startValue?Up:Down;
int thickness=slider()->shadowThickness();
int h=abs(startValue-curValue);
int starty=startValue;
int height=abs(h-gaugeHeight());
if (h==gaugeHeight() && direction==_direction) return;
else if (direction==_direction)
{
if (h<gaugeHeight())
{
// value is smaller, clear area
starty=direction==Up?starty-gaugeHeight():starty+h-thickness;
XFillRectangle(display(),window(),selectShadowGC(),x,starty,slider()->width(),height+thickness);
}
else
{
// value is bigger, add area
starty=direction==Up?starty-h+thickness:starty+gaugeHeight()-thickness;
XFillRectangle(display(),window(),slider()->backgroundShadowGC(),x+thickness,
starty,slider()->width()-2*thickness,height);
}
if (h>thickness&&thickness>0) updateGaugeShadow(x,starty,h,thickness,direction);
}
else
{
// direction changed, redraw
drawSliderArea();
drawGauge();
}
gaugeHeight(h);
_direction=direction;
}
}
