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Improve FlowLayout to support vertical alignment

adaptive-webui-19844
Vladimir Golovnev (Glassez) 2 years ago
parent
commit
d629c77184
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GPG Key ID: 52A2C7DEE2DFA6F7
  1. 30
      src/gui/flowlayout.cpp
  2. 1
      src/gui/flowlayout.h

30
src/gui/flowlayout.cpp

@ -29,6 +29,7 @@ @@ -29,6 +29,7 @@
#include "flowlayout.h"
#include <QHash>
#include <QWidget>
#include "base/global.h"
@ -142,6 +143,7 @@ int FlowLayout::doLayout(const QRect &rect, const bool testOnly) const @@ -142,6 +143,7 @@ int FlowLayout::doLayout(const QRect &rect, const bool testOnly) const
int y = effectiveRect.y();
int lineHeight = 0;
QHash<QLayoutItem *, QPoint> lineItems;
for (QLayoutItem *item : asConst(m_itemList))
{
const QWidget *wid = item->widget();
@ -163,6 +165,12 @@ int FlowLayout::doLayout(const QRect &rect, const bool testOnly) const @@ -163,6 +165,12 @@ int FlowLayout::doLayout(const QRect &rect, const bool testOnly) const
int nextX = x + item->sizeHint().width() + spaceX;
if (((nextX - spaceX) > effectiveRect.right()) && (lineHeight > 0))
{
if (!testOnly)
{
applyItemsGeometry(lineItems, lineHeight);
lineItems.clear();
}
x = effectiveRect.x();
y = y + lineHeight + spaceY;
nextX = x + item->sizeHint().width() + spaceX;
@ -170,12 +178,15 @@ int FlowLayout::doLayout(const QRect &rect, const bool testOnly) const @@ -170,12 +178,15 @@ int FlowLayout::doLayout(const QRect &rect, const bool testOnly) const
}
if (!testOnly)
item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));
lineItems[item] = QPoint(x, y);
x = nextX;
lineHeight = std::max(lineHeight, item->sizeHint().height());
}
if (!testOnly)
applyItemsGeometry(lineItems, lineHeight);
return y + lineHeight - rect.y() + bottom;
}
@ -193,3 +204,20 @@ int FlowLayout::smartSpacing(const QStyle::PixelMetric pm) const @@ -193,3 +204,20 @@ int FlowLayout::smartSpacing(const QStyle::PixelMetric pm) const
return static_cast<QLayout *>(parent)->spacing();
}
void FlowLayout::applyItemsGeometry(const QHash<QLayoutItem *, QPoint> &items, const int lineHeight) const
{
for (auto it = items.cbegin(); it != items.cend(); ++it)
{
QLayoutItem *item = it.key();
QPoint point = it.value();
const auto alignment = item->alignment();
const int vSpace = lineHeight - item->sizeHint().height();
if (alignment & Qt::AlignVCenter)
point.ry() += vSpace / 2;
else if (alignment & Qt::AlignBottom)
point.ry() += vSpace;
item->setGeometry(QRect(point, item->sizeHint()));
}
}

1
src/gui/flowlayout.h

@ -56,6 +56,7 @@ public: @@ -56,6 +56,7 @@ public:
private:
int doLayout(const QRect &rect, bool testOnly) const;
int smartSpacing(QStyle::PixelMetric pm) const;
void applyItemsGeometry(const QHash<QLayoutItem *, QPoint> &items, int lineHeight) const;
QList<QLayoutItem *> m_itemList;
int m_hSpace;

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