/*!
Returns the time relative to the reference time for
given pixel position (x-coordinate) \a xcoord
*/
double UiTimeAxis::pixelToTimeRelativeRef(double xcoord)
{
// make xcoord relative to the plot area only
xcoord -= infoWidth();
return (xcoord*mMajorStepTime) / (MajorStepPixelWidth) + mRangeLower;
}
/*!
Paint event handler responsible for painting this widget.
*/
void UiTimeAxis::paintEvent(QPaintEvent *event)
{
(void)event;
QPainter painter(this);
int plotWidth = width()-infoWidth();
int numMinorSteps = plotWidth
/ (MajorStepPixelWidth/NumberOfMinorSteps) + 1;
painter.save();
painter.translate(infoWidth(), 0);
for (int i = 0; i < numMinorSteps; i++) {
int stepHeight = 3;
if (/*i > 0 &&*/ (i % NumberOfMinorSteps) == 0) {
stepHeight += 9;
QString stepText = getTimeLabelForStep(i/NumberOfMinorSteps);
// draw text centered over a major step
int textWidth = painter.fontMetrics().width(stepText);
painter.drawText((MajorStepPixelWidth/NumberOfMinorSteps)*i
- textWidth/2, 10, stepText);
}
// draw minor/major step on the time axis
painter.drawLine((MajorStepPixelWidth/NumberOfMinorSteps)*i,
height()-stepHeight,
(MajorStepPixelWidth/NumberOfMinorSteps)*i,
height());
}
painter.restore();
}
/*!
Returns the pixel position relative to the reference position for
given time \a value
*/
double UiTimeAxis::timeToPixelRelativeRef(double value)
{
return timeToPixel(value-mRangeLower) + infoWidth();
}
int Element::skipBlockWidth() const {
return st::msgDateSpace + infoWidth() - st::msgDateDelta.x();
}
