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[apps/scrollable_multiple_expressions_view] Factorize baseline()

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This commit is contained in:
Léa Saviot
2020-05-18 11:45:54 +02:00
committed by EmilieNumworks
parent 525290427a
commit 30c243e2e4
2 changed files with 71 additions and 36 deletions
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96
apps/shared/scrollable_multiple_expressions_view.cpp
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@@ -55,26 +55,36 @@ void AbstractScrollableMultipleExpressionsView::ContentCell::reloadTextColor() {
}
KDSize AbstractScrollableMultipleExpressionsView::ContentCell::minimalSizeForOptimalDisplay() const {
KDSize leftSize = KDSizeZero;
KDCoordinate leftViewBaseline = 0;
KDCoordinate width = 0;
// Compute baselines
KDCoordinate leftBaseline = 0;
KDCoordinate centerBaseline = 0;
KDCoordinate rightBaseline = 0;
KDCoordinate viewBaseline = baseline(&leftBaseline, &centerBaseline, &rightBaseline);
KDSize leftSize = KDSizeZero;
if (leftExpressionView() && !leftExpressionView()->layout().isUninitialized()) {
leftSize = leftExpressionView()->minimalSizeForOptimalDisplay();
leftViewBaseline = leftExpressionView()->layout().baseline();
width += leftSize.width() + Metric::CommonLargeMargin;
}
KDSize rightExpressionSize = m_rightExpressionView.minimalSizeForOptimalDisplay();
width += rightExpressionSize.width();
Layout l = m_rightExpressionView.layout();
KDCoordinate rightBaseline = l.isUninitialized() ? 0 : l.baseline();
KDSize centeredExpressionSize = KDSizeZero;
KDCoordinate centeredBaseline = 0;
KDSize centerSize = KDSizeZero;
if (displayCenter()) {
centeredBaseline = m_centeredExpressionView.layout().baseline();
centeredExpressionSize = m_centeredExpressionView.minimalSizeForOptimalDisplay();
width += centeredExpressionSize.width() + 2*Metric::CommonLargeMargin + m_approximateSign.minimalSizeForOptimalDisplay().width();
centerSize = m_centeredExpressionView.minimalSizeForOptimalDisplay();
width += centerSize.width() + 2 * Metric::CommonLargeMargin + m_approximateSign.minimalSizeForOptimalDisplay().width();
}
KDCoordinate height = std::max(std::max(centeredBaseline, rightBaseline), leftViewBaseline) + std::max(std::max(centeredExpressionSize.height()-centeredBaseline, rightExpressionSize.height()-rightBaseline), leftSize.height()-leftViewBaseline);
KDSize rightSize = m_rightExpressionView.minimalSizeForOptimalDisplay();
width += rightSize.width();
KDCoordinate height = viewBaseline
+ std::max(
std::max(
centerSize.height() - centerBaseline,
rightSize.height() - rightBaseline),
leftSize.height() - leftBaseline);
return KDSize(width, height);
}
@@ -111,6 +121,32 @@ int AbstractScrollableMultipleExpressionsView::ContentCell::numberOfSubviews() c
return nbOfSubviews;
}
KDCoordinate AbstractScrollableMultipleExpressionsView::ContentCell::baseline(KDCoordinate * leftBaseline, KDCoordinate * centerBaseline, KDCoordinate * rightBaseline) const {
// Left view
KDCoordinate leftViewBaseline = (leftExpressionView() && !leftExpressionView()->layout().isUninitialized()) ?
leftExpressionView()->layout().baseline() :
0;
if (leftBaseline != nullptr) {
*leftBaseline = leftViewBaseline;
}
// Center view
KDCoordinate centerViewBaseline = displayCenter() ? m_centeredExpressionView.layout().baseline() : 0;
if (centerBaseline != nullptr) {
*centerBaseline = centerViewBaseline;
}
// Right view
KDCoordinate rightViewBaseline = m_rightExpressionView.layout().isUninitialized() ?
0 :
m_rightExpressionView.layout().baseline();
if (rightBaseline != nullptr) {
*rightBaseline = rightViewBaseline;
}
return std::max(std::max(leftViewBaseline, centerViewBaseline), rightViewBaseline);
}
View * AbstractScrollableMultipleExpressionsView::ContentCell::subviewAtIndex(int index) {
bool leftIsVisible = leftExpressionView() != nullptr;
if (leftIsVisible && index == 0) {
@@ -123,33 +159,33 @@ View * AbstractScrollableMultipleExpressionsView::ContentCell::subviewAtIndex(in
void AbstractScrollableMultipleExpressionsView::ContentCell::layoutSubviews(bool force) {
// Subviews sizes
KDSize leftSize = leftExpressionView() ? leftExpressionView()->minimalSizeForOptimalDisplay() : KDSizeZero;
KDCoordinate leftViewBaseline = leftExpressionView() && !leftExpressionView()->layout().isUninitialized() ? leftExpressionView()->layout().baseline() : 0;
KDSize centeredExpressionSize = KDSizeZero;
KDCoordinate centeredBaseline = 0;
if (displayCenter()) {
centeredBaseline = m_centeredExpressionView.layout().baseline();
centeredExpressionSize = m_centeredExpressionView.minimalSizeForOptimalDisplay();
}
KDSize rightExpressionSize = m_rightExpressionView.minimalSizeForOptimalDisplay();
KDCoordinate rightBaseline = m_rightExpressionView.layout().isUninitialized() ? 0 : m_rightExpressionView.layout().baseline();
// Compute baseline
KDCoordinate baseline = std::max(std::max(leftViewBaseline, rightBaseline), centeredBaseline);
KDSize centerSize = displayCenter() ? m_centeredExpressionView.minimalSizeForOptimalDisplay() : KDSizeZero;
KDSize rightSize = m_rightExpressionView.minimalSizeForOptimalDisplay();
// Compute baselines
KDCoordinate leftBaseline = 0;
KDCoordinate centerBaseline = 0;
KDCoordinate rightBaseline = 0;
KDCoordinate viewBaseline = baseline(&leftBaseline, &centerBaseline, &rightBaseline);
// Layout left view
KDCoordinate currentWidth = 0;
if (leftExpressionView()) {
leftExpressionView()->setFrame(KDRect(currentWidth, baseline-leftViewBaseline, leftSize), force);
leftExpressionView()->setFrame(KDRect(currentWidth, viewBaseline - leftBaseline, leftSize), force);
currentWidth += leftSize.width() + Metric::CommonLargeMargin;
}
// Layout centered expression
// Layout center expression
if (displayCenter()) {
KDSize approximateSignSize = m_approximateSign.minimalSizeForOptimalDisplay();
m_centeredExpressionView.setFrame(KDRect(currentWidth, baseline-centeredBaseline, centeredExpressionSize), force);
currentWidth += Metric::CommonLargeMargin+centeredExpressionSize.width();
m_approximateSign.setFrame(KDRect(currentWidth, baseline-approximateSignSize.height()/2, approximateSignSize), force);
m_centeredExpressionView.setFrame(KDRect(currentWidth, viewBaseline - centerBaseline, centerSize), force);
currentWidth += Metric::CommonLargeMargin + centerSize.width();
m_approximateSign.setFrame(KDRect(currentWidth, viewBaseline - approximateSignSize.height()/2, approximateSignSize), force);
currentWidth += Metric::CommonLargeMargin + approximateSignSize.width();
}
// Layout right expression
m_rightExpressionView.setFrame(KDRect(currentWidth, baseline-rightBaseline, rightExpressionSize), force);
m_rightExpressionView.setFrame(KDRect(currentWidth, viewBaseline - rightBaseline, rightSize), force);
}
AbstractScrollableMultipleExpressionsView::AbstractScrollableMultipleExpressionsView(Responder * parentResponder, View * contentCell) :