feat: 添加ElaWidgetTool库

ElaWidgetTools/ElaFlowLayout.cpp

@@ -0,0 +1,135 @@
+#include "ElaFlowLayout.h"
+
+#include <QPropertyAnimation>
+#include <QWidget>
+
+#include "private/ElaFlowLayoutPrivate.h"
+
+ElaFlowLayout::ElaFlowLayout(QWidget* parent, int margin, int hSpacing, int vSpacing)
+    : QLayout(parent), d_ptr(new ElaFlowLayoutPrivate())
+{
+    Q_D(ElaFlowLayout);
+    d->q_ptr = this;
+    d->_hSpacing = hSpacing;
+    d->_vSpacing = vSpacing;
+    setContentsMargins(margin, margin, margin, margin);
+    d->_lastHeightMap.insert(this, 0);
+}
+
+ElaFlowLayout::ElaFlowLayout(int margin, int hSpacing, int vSpacing)
+    : d_ptr(new ElaFlowLayoutPrivate())
+{
+    Q_D(ElaFlowLayout);
+    d->q_ptr = this;
+    d->_hSpacing = hSpacing;
+    d->_vSpacing = vSpacing;
+    setContentsMargins(margin, margin, margin, margin);
+    d->_lastHeightMap.insert(this, 0);
+}
+
+ElaFlowLayout::~ElaFlowLayout()
+{
+    QLayoutItem* item;
+    while ((item = ElaFlowLayout::takeAt(0)))
+    {
+        delete item;
+    }
+}
+
+void ElaFlowLayout::addItem(QLayoutItem* item)
+{
+    Q_D(ElaFlowLayout);
+    d->_itemList.append(item);
+}
+int ElaFlowLayout::horizontalSpacing() const
+{
+    Q_D(const ElaFlowLayout);
+    if (d->_hSpacing >= 0)
+    {
+        return d->_hSpacing;
+    }
+    else
+    {
+        return d->_smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
+    }
+}
+
+int ElaFlowLayout::verticalSpacing() const
+{
+    Q_D(const ElaFlowLayout);
+    if (d->_vSpacing >= 0)
+    {
+        return d->_vSpacing;
+    }
+    else
+    {
+        return d->_smartSpacing(QStyle::PM_LayoutVerticalSpacing);
+    }
+}
+int ElaFlowLayout::count() const
+{
+    return d_ptr->_itemList.size();
+}
+
+QLayoutItem* ElaFlowLayout::itemAt(int index) const
+{
+    return d_ptr->_itemList.value(index);
+}
+
+QLayoutItem* ElaFlowLayout::takeAt(int index)
+{
+    Q_D(ElaFlowLayout);
+    if (index >= 0 && index < d->_itemList.size())
+    {
+        return d->_itemList.takeAt(index);
+    }
+    return nullptr;
+}
+
+void ElaFlowLayout::setIsAnimation(bool isAnimation)
+{
+    Q_D(ElaFlowLayout);
+    d->_isAnimation = isAnimation;
+}
+
+Qt::Orientations ElaFlowLayout::expandingDirections() const
+{
+    return {};
+}
+
+bool ElaFlowLayout::hasHeightForWidth() const
+{
+    return true;
+}
+
+int ElaFlowLayout::heightForWidth(int width) const
+{
+    int height = d_ptr->_doLayout(QRect(0, 0, width, 0), true);
+    d_ptr->_lastHeightMap[const_cast<ElaFlowLayout*>(this)] = height;
+    return height;
+}
+
+void ElaFlowLayout::setGeometry(const QRect& rect)
+{
+    Q_D(ElaFlowLayout);
+    QLayout::setGeometry(rect);
+    d->_doLayout(rect, false);
+}
+
+QSize ElaFlowLayout::sizeHint() const
+{
+    return minimumSize();
+}
+
+QSize ElaFlowLayout::minimumSize() const
+{
+    QSize size;
+    for (const QLayoutItem* item : std::as_const(d_ptr->_itemList))
+    {
+        size = size.expandedTo(item->minimumSize());
+    }
+
+    const QMargins margins = contentsMargins();
+    size += QSize(margins.left() + margins.right(), margins.top() + margins.bottom());
+    return size;
+}