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