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98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#ifndef CRYINCLUDE_EDITOR_CONTROLS_IMAGELISTCTRL_H
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#define CRYINCLUDE_EDITOR_CONTROLS_IMAGELISTCTRL_H
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#pragma once
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#if !defined(Q_MOC_RUN)
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#include <QAbstractItemView>
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#include <QHash>
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#endif
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//////////////////////////////////////////////////////////////////////////
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// Custom control to display list of images.
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//////////////////////////////////////////////////////////////////////////
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class CImageListCtrl
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: public QAbstractItemView
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{
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Q_OBJECT
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public:
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enum ListStyle
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{
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DefaultStyle,
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HorizontalStyle
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};
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public:
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CImageListCtrl(QWidget* parent = nullptr);
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~CImageListCtrl();
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ListStyle Style() const;
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void SetStyle(ListStyle style);
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const QSize& ItemSize() const;
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void SetItemSize(QSize size);
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const QSize& BorderSize() const;
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void SetBorderSize(QSize size);
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// Get all items inside specified rectangle.
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QModelIndexList ItemsInRect(const QRect& rect) const;
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QModelIndex indexAt(const QPoint& point) const override;
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void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible) override;
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QRect visualRect(const QModelIndex& index) const override;
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protected:
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QRect ItemGeometry(const QModelIndex& index) const;
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void SetItemGeometry(const QModelIndex& index, const QRect& rect);
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void ClearItemGeometries();
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int horizontalOffset() const override;
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int verticalOffset() const override;
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bool isIndexHidden(const QModelIndex& index) const override;
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QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) override;
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void setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags flags) override;
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QRegion visualRegionForSelection(const QItemSelection& selection) const override;
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void paintEvent(QPaintEvent* event) override;
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void rowsInserted(const QModelIndex& parent, int start, int end) override;
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void updateGeometries() override;
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private:
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QHash<int, QRect> m_geometry;
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QSize m_itemSize;
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QSize m_borderSize;
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ListStyle m_style;
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};
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class QImageListDelegate
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: public QAbstractItemDelegate
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{
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Q_OBJECT
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signals:
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void InvalidPixmapGenerated(const QModelIndex& index) const;
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public:
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QImageListDelegate(QObject* parent = nullptr);
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void paint(QPainter* painter,
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const QStyleOptionViewItem& option,
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const QModelIndex& index) const override;
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QSize sizeHint(const QStyleOptionViewItem& option,
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const QModelIndex& index) const override;
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QVector<int> paintingRoles() const override;
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};
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#endif // CRYINCLUDE_EDITOR_CONTROLS_IMAGELISTCTRL_H
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