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Diffstat (limited to 'src/imports/layouts/qquicklayout_p.h')
| -rw-r--r-- | src/imports/layouts/qquicklayout_p.h | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/src/imports/layouts/qquicklayout_p.h b/src/imports/layouts/qquicklayout_p.h deleted file mode 100644 index c022a2fd47..0000000000 --- a/src/imports/layouts/qquicklayout_p.h +++ /dev/null @@ -1,339 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Layouts module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QQUICKLAYOUT_P_H -#define QQUICKLAYOUT_P_H - -#include <QPointer> -#include <QQuickItem> -#include <private/qquickitem_p.h> -#include <QtQuick/private/qquickitemchangelistener_p.h> -#include <QtGui/private/qlayoutpolicy_p.h> - -QT_BEGIN_NAMESPACE - -class QQuickLayoutAttached; - -#if 0 && !defined(QT_NO_DEBUG) && !defined(QT_NO_DEBUG_OUTPUT) -# define quickLayoutDebug QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO).debug -#else -# define quickLayoutDebug QT_NO_QDEBUG_MACRO -#endif - -class QQuickLayoutPrivate; -class QQuickLayout : public QQuickItem, public QQuickItemChangeListener - -{ - Q_OBJECT - QML_NAMED_ELEMENT(Layout) - QML_UNCREATABLE("Do not create objects of type Layout.") - QML_ATTACHED(QQuickLayoutAttached) - -public: - enum SizeHint { - MinimumSize = 0, - PreferredSize, - MaximumSize, - NSizes - }; - - explicit QQuickLayout(QQuickLayoutPrivate &dd, QQuickItem *parent = 0); - ~QQuickLayout(); - - static QQuickLayoutAttached *qmlAttachedProperties(QObject *object); - - - void componentComplete() override; - virtual QSizeF sizeHint(Qt::SizeHint whichSizeHint) const = 0; - virtual void setAlignment(QQuickItem *item, Qt::Alignment align) = 0; - virtual void invalidate(QQuickItem * childItem = 0); - virtual void updateLayoutItems() = 0; - - // iterator - virtual QQuickItem *itemAt(int index) const = 0; - virtual int itemCount() const = 0; - - virtual void rearrange(const QSizeF &); - bool arrangementIsDirty() const { return m_dirty; } - - static void effectiveSizeHints_helper(QQuickItem *item, QSizeF *cachedSizeHints, QQuickLayoutAttached **info, bool useFallbackToWidthOrHeight); - static QLayoutPolicy::Policy effectiveSizePolicy_helper(QQuickItem *item, Qt::Orientation orientation, QQuickLayoutAttached *info); - bool shouldIgnoreItem(QQuickItem *child, QQuickLayoutAttached *&info, QSizeF *sizeHints) const; - void checkAnchors(QQuickItem *item) const; - - void itemChange(ItemChange change, const ItemChangeData &value) override; - void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override; - bool isReady() const; - void deactivateRecur(); - - - /* QQuickItemChangeListener */ - void itemSiblingOrderChanged(QQuickItem *item) override; - void itemImplicitWidthChanged(QQuickItem *item) override; - void itemImplicitHeightChanged(QQuickItem *item) override; - void itemDestroyed(QQuickItem *item) override; - void itemVisibilityChanged(QQuickItem *item) override; - -protected: - void updatePolish() override; - - enum Orientation { - Vertical = 0, - Horizontal, - NOrientations - }; - -protected slots: - void invalidateSenderItem(); - -private: - bool m_dirty; - - Q_DECLARE_PRIVATE(QQuickLayout) - - friend class QQuickLayoutAttached; -}; - - -class QQuickLayoutPrivate : public QQuickItemPrivate -{ - Q_DECLARE_PUBLIC(QQuickLayout) -public: - QQuickLayoutPrivate() : m_isReady(false), m_disableRearrange(true) {} - -protected: - unsigned m_isReady : 1; - unsigned m_disableRearrange : 1; - unsigned m_hasItemChangeListeners : 1; // if false, we don't need to remove its item change listeners... - mutable QSet<QQuickItem *> m_ignoredItems; -}; - - -class QQuickLayoutAttached : public QObject -{ - Q_OBJECT - Q_PROPERTY(qreal minimumWidth READ minimumWidth WRITE setMinimumWidth NOTIFY minimumWidthChanged) - Q_PROPERTY(qreal minimumHeight READ minimumHeight WRITE setMinimumHeight NOTIFY minimumHeightChanged) - Q_PROPERTY(qreal preferredWidth READ preferredWidth WRITE setPreferredWidth NOTIFY preferredWidthChanged) - Q_PROPERTY(qreal preferredHeight READ preferredHeight WRITE setPreferredHeight NOTIFY preferredHeightChanged) - Q_PROPERTY(qreal maximumWidth READ maximumWidth WRITE setMaximumWidth NOTIFY maximumWidthChanged) - Q_PROPERTY(qreal maximumHeight READ maximumHeight WRITE setMaximumHeight NOTIFY maximumHeightChanged) - Q_PROPERTY(bool fillHeight READ fillHeight WRITE setFillHeight NOTIFY fillHeightChanged) - Q_PROPERTY(bool fillWidth READ fillWidth WRITE setFillWidth NOTIFY fillWidthChanged) - Q_PROPERTY(int row READ row WRITE setRow NOTIFY rowChanged) - Q_PROPERTY(int column READ column WRITE setColumn NOTIFY columnChanged) - Q_PROPERTY(int rowSpan READ rowSpan WRITE setRowSpan NOTIFY rowSpanChanged) - Q_PROPERTY(int columnSpan READ columnSpan WRITE setColumnSpan NOTIFY columnSpanChanged) - Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged) - - Q_PROPERTY(qreal margins READ margins WRITE setMargins NOTIFY marginsChanged) - Q_PROPERTY(qreal leftMargin READ leftMargin WRITE setLeftMargin RESET resetLeftMargin NOTIFY leftMarginChanged) - Q_PROPERTY(qreal topMargin READ topMargin WRITE setTopMargin RESET resetTopMargin NOTIFY topMarginChanged) - Q_PROPERTY(qreal rightMargin READ rightMargin WRITE setRightMargin RESET resetRightMargin NOTIFY rightMarginChanged) - Q_PROPERTY(qreal bottomMargin READ bottomMargin WRITE setBottomMargin RESET resetBottomMargin NOTIFY bottomMarginChanged) - -public: - QQuickLayoutAttached(QObject *object); - - qreal minimumWidth() const { return !m_isMinimumWidthSet ? sizeHint(Qt::MinimumSize, Qt::Horizontal) : m_minimumWidth; } - void setMinimumWidth(qreal width); - - qreal minimumHeight() const { return !m_isMinimumHeightSet ? sizeHint(Qt::MinimumSize, Qt::Vertical) : m_minimumHeight; } - void setMinimumHeight(qreal height); - - qreal preferredWidth() const { return m_preferredWidth; } - void setPreferredWidth(qreal width); - - qreal preferredHeight() const { return m_preferredHeight; } - void setPreferredHeight(qreal width); - - qreal maximumWidth() const { return !m_isMaximumWidthSet ? sizeHint(Qt::MaximumSize, Qt::Horizontal) : m_maximumWidth; } - void setMaximumWidth(qreal width); - - qreal maximumHeight() const { return !m_isMaximumHeightSet ? sizeHint(Qt::MaximumSize, Qt::Vertical) : m_maximumHeight; } - void setMaximumHeight(qreal height); - - void setMinimumImplicitSize(const QSizeF &sz); - void setMaximumImplicitSize(const QSizeF &sz); - - bool fillWidth() const { return m_fillWidth; } - void setFillWidth(bool fill); - bool isFillWidthSet() const { return m_isFillWidthSet; } - - bool fillHeight() const { return m_fillHeight; } - void setFillHeight(bool fill); - bool isFillHeightSet() const { return m_isFillHeightSet; } - - int row() const { return qMax(m_row, 0); } - void setRow(int row); - bool isRowSet() const { return m_row >= 0; } - int column() const { return qMax(m_column, 0); } - void setColumn(int column); - bool isColumnSet() const { return m_column >= 0; } - - int rowSpan() const { return m_rowSpan; } - void setRowSpan(int span); - int columnSpan() const { return m_columnSpan; } - void setColumnSpan(int span); - - Qt::Alignment alignment() const { return m_alignment; } - void setAlignment(Qt::Alignment align); - - qreal margins() const { return m_defaultMargins; } - void setMargins(qreal m); - - qreal leftMargin() const { return m_isLeftMarginSet ? m_margins.left() : m_defaultMargins; } - void setLeftMargin(qreal m); - void resetLeftMargin(); - - qreal topMargin() const { return m_isTopMarginSet ? m_margins.top() : m_defaultMargins; } - void setTopMargin(qreal m); - void resetTopMargin(); - - qreal rightMargin() const { return m_isRightMarginSet ? m_margins.right() : m_defaultMargins; } - void setRightMargin(qreal m); - void resetRightMargin(); - - qreal bottomMargin() const { return m_isBottomMarginSet ? m_margins.bottom() : m_defaultMargins; } - void setBottomMargin(qreal m); - void resetBottomMargin(); - - QMarginsF qMargins() const { - return QMarginsF(leftMargin(), topMargin(), rightMargin(), bottomMargin()); - } - - bool setChangesNotificationEnabled(bool enabled) - { - const bool old = m_changesNotificationEnabled; - m_changesNotificationEnabled = enabled; - return old; - } - - qreal sizeHint(Qt::SizeHint which, Qt::Orientation orientation) const; - - bool isExtentExplicitlySet(Qt::Orientation o, Qt::SizeHint whichSize) const - { - switch (whichSize) { - case Qt::MinimumSize: - return o == Qt::Horizontal ? m_isMinimumWidthSet : m_isMinimumHeightSet; - case Qt::MaximumSize: - return o == Qt::Horizontal ? m_isMaximumWidthSet : m_isMaximumHeightSet; - case Qt::PreferredSize: - return true; // Layout.preferredWidth is always explicitly set - case Qt::MinimumDescent: // Not supported - case Qt::NSizeHints: - return false; - } - return false; - } - -signals: - void minimumWidthChanged(); - void minimumHeightChanged(); - void preferredWidthChanged(); - void preferredHeightChanged(); - void maximumWidthChanged(); - void maximumHeightChanged(); - void fillWidthChanged(); - void fillHeightChanged(); - void leftMarginChanged(); - void topMarginChanged(); - void rightMarginChanged(); - void bottomMarginChanged(); - void marginsChanged(); - void rowChanged(); - void columnChanged(); - void rowSpanChanged(); - void columnSpanChanged(); - void alignmentChanged(); - -private: - void invalidateItem(); - void repopulateLayout(); - QQuickLayout *parentLayout() const; - QQuickItem *item() const; -private: - qreal m_minimumWidth; - qreal m_minimumHeight; - qreal m_preferredWidth; - qreal m_preferredHeight; - qreal m_maximumWidth; - qreal m_maximumHeight; - - qreal m_defaultMargins; - QMarginsF m_margins; - - qreal m_fallbackWidth; - qreal m_fallbackHeight; - - // GridLayout specific properties - int m_row; - int m_column; - int m_rowSpan; - int m_columnSpan; - - unsigned m_fillWidth : 1; - unsigned m_fillHeight : 1; - unsigned m_isFillWidthSet : 1; - unsigned m_isFillHeightSet : 1; - unsigned m_isMinimumWidthSet : 1; - unsigned m_isMinimumHeightSet : 1; - // preferredWidth and preferredHeight are always explicit, since - // their implicit equivalent is implicitWidth and implicitHeight - unsigned m_isMaximumWidthSet : 1; - unsigned m_isMaximumHeightSet : 1; - unsigned m_changesNotificationEnabled : 1; - unsigned m_isLeftMarginSet : 1; - unsigned m_isTopMarginSet : 1; - unsigned m_isRightMarginSet : 1; - unsigned m_isBottomMarginSet : 1; - Qt::Alignment m_alignment; - friend class QQuickLayout; -}; - -inline QQuickLayoutAttached *attachedLayoutObject(QQuickItem *item, bool create = true) -{ - return static_cast<QQuickLayoutAttached *>(qmlAttachedPropertiesObject<QQuickLayout>(item, create)); -} - -QT_END_NAMESPACE - -QML_DECLARE_TYPE(QQuickLayout) - -#endif // QQUICKLAYOUT_P_H |