| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2018 The Qt Company Ltd. |
| 4 | ** Contact: http://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL3$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see http://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at http://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPLv3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or later as published by the Free |
| 28 | ** Software Foundation and appearing in the file LICENSE.GPL included in |
| 29 | ** the packaging of this file. Please review the following information to |
| 30 | ** ensure the GNU General Public License version 2.0 requirements will be |
| 31 | ** met: http://www.gnu.org/licenses/gpl-2.0.html. |
| 32 | ** |
| 33 | ** $QT_END_LICENSE$ |
| 34 | ** |
| 35 | ****************************************************************************/ |
| 36 | |
| 37 | #ifndef QQUICKSPLITVIEW_P_P_H |
| 38 | #define QQUICKSPLITVIEW_P_P_H |
| 39 | |
| 40 | // |
| 41 | // W A R N I N G |
| 42 | // ------------- |
| 43 | // |
| 44 | // This file is not part of the Qt API. It exists purely as an |
| 45 | // implementation detail. This header file may change from version to |
| 46 | // version without notice, or even be removed. |
| 47 | // |
| 48 | // We mean it. |
| 49 | // |
| 50 | |
| 51 | #include <QtQuickTemplates2/private/qquickcontainer_p_p.h> |
| 52 | |
| 53 | QT_BEGIN_NAMESPACE |
| 54 | |
| 55 | class QQuickSplitView; |
| 56 | class QQuickSplitViewAttached; |
| 57 | class QQuickSplitHandleAttached; |
| 58 | |
| 59 | class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickSplitViewPrivate : public QQuickContainerPrivate |
| 60 | { |
| 61 | Q_DECLARE_PUBLIC(QQuickSplitView) |
| 62 | |
| 63 | public: |
| 64 | void updateFillIndex(); |
| 65 | void layoutResizeSplitItems(qreal &usedWidth, qreal &usedHeight, int &indexBeingResizedDueToDrag); |
| 66 | void layoutResizeFillItem(QQuickItem *fillItem, qreal &usedWidth, qreal &usedHeight, int indexBeingResizedDueToDrag); |
| 67 | void layoutPositionItems(const QQuickItem *fillItem); |
| 68 | void requestLayout(); |
| 69 | void layout(); |
| 70 | void createHandles(); |
| 71 | void createHandleItem(int index); |
| 72 | void removeExcessHandles(); |
| 73 | void destroyHandles(); |
| 74 | void resizeHandle(QQuickItem *handleItem); |
| 75 | void resizeHandles(); |
| 76 | void updateHandleVisibilities(); |
| 77 | void updateHoveredHandle(QQuickItem *hoveredItem); |
| 78 | void setResizing(bool resizing); |
| 79 | |
| 80 | bool isHorizontal() const; |
| 81 | qreal accumulatedSize(int firstIndex, int lastIndex) const; |
| 82 | |
| 83 | struct EffectiveSizeData { |
| 84 | qreal effectiveMinimumWidth; |
| 85 | qreal effectiveMinimumHeight; |
| 86 | qreal effectivePreferredWidth; |
| 87 | qreal effectivePreferredHeight; |
| 88 | qreal effectiveMaximumWidth; |
| 89 | qreal effectiveMaximumHeight; |
| 90 | }; |
| 91 | |
| 92 | EffectiveSizeData effectiveSizeData(const QQuickItemPrivate *itemPrivate, |
| 93 | const QQuickSplitViewAttached *attached) const; |
| 94 | |
| 95 | int handleIndexForSplitIndex(int splitIndex) const; |
| 96 | |
| 97 | QQuickItem *getContentItem() override; |
| 98 | void handlePress(const QPointF &point) override; |
| 99 | void handleMove(const QPointF &point) override; |
| 100 | void handleRelease(const QPointF &point) override; |
| 101 | |
| 102 | void itemVisibilityChanged(QQuickItem *item) override; |
| 103 | void itemImplicitWidthChanged(QQuickItem *item) override; |
| 104 | void itemImplicitHeightChanged(QQuickItem *item) override; |
| 105 | |
| 106 | void updatePolish() override; |
| 107 | |
| 108 | static QQuickSplitViewPrivate *get(QQuickSplitView *splitView); |
| 109 | |
| 110 | Qt::Orientation m_orientation = Qt::Horizontal; |
| 111 | QQmlComponent *m_handle = nullptr; |
| 112 | QVector<QQuickItem*> m_handleItems; |
| 113 | int m_hoveredHandleIndex = -1; |
| 114 | int m_pressedHandleIndex = -1; |
| 115 | int m_nextVisibleIndexAfterPressedHandle = -1; |
| 116 | QPointF m_pressPos; |
| 117 | QPointF m_mousePos; |
| 118 | QPointF m_handlePosBeforePress; |
| 119 | qreal m_leftOrTopItemSizeBeforePress = 0.0; |
| 120 | qreal m_rightOrBottomItemSizeBeforePress = 0.0; |
| 121 | int m_fillIndex = -1; |
| 122 | bool m_layingOut = false; |
| 123 | bool m_ignoreNextLayoutRequest = false; |
| 124 | bool m_resizing = false; |
| 125 | }; |
| 126 | |
| 127 | class QQuickSplitViewAttachedPrivate : public QObjectPrivate |
| 128 | { |
| 129 | Q_DECLARE_PUBLIC(QQuickSplitViewAttached) |
| 130 | |
| 131 | public: |
| 132 | QQuickSplitViewAttachedPrivate(); |
| 133 | |
| 134 | void setView(QQuickSplitView *newView); |
| 135 | void requestLayoutView(); |
| 136 | |
| 137 | static QQuickSplitViewAttachedPrivate *get(QQuickSplitViewAttached *attached); |
| 138 | static const QQuickSplitViewAttachedPrivate *get(const QQuickSplitViewAttached *attached); |
| 139 | |
| 140 | QQuickItem *m_splitItem = nullptr; |
| 141 | QQuickSplitView *m_splitView = nullptr; |
| 142 | |
| 143 | unsigned m_fillWidth : 1; |
| 144 | unsigned m_fillHeight : 1; |
| 145 | unsigned m_isFillWidthSet : 1; |
| 146 | unsigned m_isFillHeightSet : 1; |
| 147 | unsigned m_isMinimumWidthSet : 1; |
| 148 | unsigned m_isMinimumHeightSet : 1; |
| 149 | unsigned m_isPreferredWidthSet : 1; |
| 150 | unsigned m_isPreferredHeightSet : 1; |
| 151 | unsigned m_isMaximumWidthSet : 1; |
| 152 | unsigned m_isMaximumHeightSet : 1; |
| 153 | qreal m_minimumWidth; |
| 154 | qreal m_minimumHeight; |
| 155 | qreal m_preferredWidth; |
| 156 | qreal m_preferredHeight; |
| 157 | qreal m_maximumWidth; |
| 158 | qreal m_maximumHeight; |
| 159 | }; |
| 160 | |
| 161 | class QQuickSplitHandleAttachedPrivate : public QObjectPrivate |
| 162 | { |
| 163 | Q_DECLARE_PUBLIC(QQuickSplitHandleAttached) |
| 164 | |
| 165 | public: |
| 166 | QQuickSplitHandleAttachedPrivate(); |
| 167 | |
| 168 | void setHovered(bool hovered); |
| 169 | void setPressed(bool pressed); |
| 170 | |
| 171 | static QQuickSplitHandleAttachedPrivate *get(QQuickSplitHandleAttached *attached); |
| 172 | static const QQuickSplitHandleAttachedPrivate *get(const QQuickSplitHandleAttached *attached); |
| 173 | |
| 174 | unsigned m_hovered : 1; |
| 175 | unsigned m_pressed : 1; |
| 176 | }; |
| 177 | |
| 178 | QT_END_NAMESPACE |
| 179 | |
| 180 | #endif // QQUICKSPLITVIEW_P_P_H |
| 181 | |