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https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System.git
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7123410bb1
now. Better visualization for edge-drops, always shown entire rect as active drop area and only show a single drop icon.
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
#ifndef DROP_OVERLAY_H
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#define DROP_OVERLAY_H
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#include <QFrame>
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#include <QRect>
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#include "ads/API.h"
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ADS_NAMESPACE_BEGIN
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// DropOverlay paints a translucent rectangle over another widget.
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// It can also show different types of drop area indicators.
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class DropOverlay : public QFrame
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{
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Q_OBJECT
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public:
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DropOverlay(DropAreas areas, QWidget* parent);
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virtual ~DropOverlay();
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void setFullAreaDropEnabled(bool enabled) { _fullAreaDrop = enabled; }
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DropArea cursorLocation() const;
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protected:
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virtual void paintEvent(QPaintEvent *e);
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virtual void resizeEvent(QResizeEvent* e);
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virtual void moveEvent(QMoveEvent* e);
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private:
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class DropSplitAreas* _splitAreas;
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bool _fullAreaDrop;
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};
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// AbstractDropAreas is used as base for drop area indicator widgets.
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class AbstractDropAreas : public QWidget
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{
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public:
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AbstractDropAreas(QWidget* parent) : QWidget(parent) {}
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virtual DropArea cursorLocation() const = 0;
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};
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// DropSplitAreas shows a cross with 5 different drop area possibilities.
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class DropSplitAreas : public AbstractDropAreas
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{
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Q_OBJECT
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public:
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DropSplitAreas(DropAreas areas, QWidget* parent);
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virtual DropArea cursorLocation() const;
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private:
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QWidget* _top;
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QWidget* _right;
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QWidget* _bottom;
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QWidget* _left;
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QWidget* _center;
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};
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DropArea showDropOverlay(QWidget* parent, DropAreas areas = DropArea::AllAreas);
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void showDropOverlay(QWidget* parent, const QRect& areaRect, DropAreas areas = DropArea::AllAreas);
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void hideDropOverlay();
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ADS_NAMESPACE_END
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#endif
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