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Diffstat (limited to 'examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h')
-rw-r--r-- | examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h new file mode 100644 index 0000000000..04f01489b7 --- /dev/null +++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicsgridlayout/gridlayout.h @@ -0,0 +1,215 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef GRIDLAYOUT_H +#define GRIDLAYOUT_H + +#include <qdeclarative.h> + +#include <QGraphicsGridLayout> +#include <QGraphicsLayoutItem> + +class GridLayoutAttached; +class QGraphicsGridLayoutObject : public QObject, public QGraphicsGridLayout +{ + Q_OBJECT + Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem) + + Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children) + Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing) + Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin) + Q_PROPERTY(qreal verticalSpacing READ verticalSpacing WRITE setVerticalSpacing) + Q_PROPERTY(qreal horizontalSpacing READ horizontalSpacing WRITE setHorizontalSpacing) + Q_CLASSINFO("DefaultProperty", "children") + +public: + QGraphicsGridLayoutObject(QObject * = 0); + ~QGraphicsGridLayoutObject(); + + QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); } + + qreal spacing() const; + qreal contentsMargin() const; + void setContentsMargin(qreal); + + static GridLayoutAttached *qmlAttachedProperties(QObject *); + +private slots: + void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment); + +private: + friend class GraphicsLayoutAttached; + + void addWidget(QGraphicsWidget *); + void clearChildren(); + void addLayoutItem(QGraphicsLayoutItem *); + + static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) { + static_cast<QGraphicsGridLayoutObject*>(prop->object)->addLayoutItem(item); + } + + static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) { + static_cast<QGraphicsGridLayoutObject*>(prop->object)->clearChildren(); + } + + static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) { + return static_cast<QGraphicsGridLayoutObject*>(prop->object)->count(); + } + + static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) { + return static_cast<QGraphicsGridLayoutObject*>(prop->object)->itemAt(index); + } + + static QHash<QGraphicsLayoutItem*, GridLayoutAttached*> attachedProperties; +}; + + +class GridLayoutAttached : public QObject +{ + Q_OBJECT + + Q_PROPERTY(int row READ row WRITE setRow) + Q_PROPERTY(int column READ column WRITE setColumn) + + Q_PROPERTY(int rowSpan READ rowSpan WRITE setRowSpan) + Q_PROPERTY(int columnSpan READ columnSpan WRITE setColumnSpan) + Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment) + + Q_PROPERTY(int rowStretchFactor READ rowStretchFactor WRITE setRowStretchFactor) + Q_PROPERTY(int columnStretchFactor READ columnStretchFactor WRITE setColumnStretchFactor) + Q_PROPERTY(int rowSpacing READ rowSpacing WRITE setRowSpacing) + Q_PROPERTY(int columnSpacing READ columnSpacing WRITE setColumnSpacing) + + Q_PROPERTY(int rowPreferredHeight READ rowPreferredHeight WRITE setRowPreferredHeight) + Q_PROPERTY(int rowMinimumHeight READ rowMinimumHeight WRITE setRowMinimumHeight) + Q_PROPERTY(int rowMaximumHeight READ rowMaximumHeight WRITE setRowMaximumHeight) + Q_PROPERTY(int rowFixedHeight READ rowFixedHeight WRITE setRowFixedHeight) + + Q_PROPERTY(int columnPreferredWidth READ columnPreferredWidth WRITE setColumnPreferredWidth) + Q_PROPERTY(int columnMaximumWidth READ columnMaximumWidth WRITE setColumnMaximumWidth) + Q_PROPERTY(int columnMinimumWidth READ columnMinimumWidth WRITE setColumnMinimumWidth) + Q_PROPERTY(int columnFixedWidth READ columnFixedWidth WRITE setColumnFixedWidth) + +public: + GridLayoutAttached(QObject *parent); + + int row() const { return m_row; } + void setRow(int r) { m_row = r; } + + int column() const { return m_column; } + void setColumn(int c) { m_column = c; } + + int rowSpan() const { return m_rowspan; } + void setRowSpan(int rs) { m_rowspan = rs; } + + int columnSpan() const { return m_colspan; } + void setColumnSpan(int cs) { m_colspan = cs; } + + Qt::Alignment alignment() const { return m_alignment; } + void setAlignment(Qt::Alignment a); + + int rowStretchFactor() const { return m_rowStretch; } + void setRowStretchFactor(int f) { m_rowStretch = f; } + int columnStretchFactor() const { return m_colStretch; } + void setColumnStretchFactor(int f) { m_colStretch = f; } + + int rowSpacing() const { return m_rowSpacing; } + void setRowSpacing(int s) { m_rowSpacing = s; } + int columnSpacing() const { return m_colSpacing; } + void setColumnSpacing(int s) { m_colSpacing = s; } + + int rowPreferredHeight() const { return m_rowPrefHeight; } + void setRowPreferredHeight(int s) { m_rowPrefHeight = s; } + + int rowMaximumHeight() const { return m_rowMaxHeight; } + void setRowMaximumHeight(int s) { m_rowMaxHeight = s; } + + int rowMinimumHeight() const { return m_rowMinHeight; } + void setRowMinimumHeight(int s) { m_rowMinHeight = s; } + + int rowFixedHeight() const { return m_rowFixHeight; } + void setRowFixedHeight(int s) { m_rowFixHeight = s; } + + int columnPreferredWidth() const { return m_colPrefwidth; } + void setColumnPreferredWidth(int s) { m_colPrefwidth = s; } + + int columnMaximumWidth() const { return m_colMaxwidth; } + void setColumnMaximumWidth(int s) { m_colMaxwidth = s; } + + int columnMinimumWidth() const { return m_colMinwidth; } + void setColumnMinimumWidth(int s) { m_colMinwidth = s; } + + int columnFixedWidth() const { return m_colFixwidth; } + void setColumnFixedWidth(int s) { m_colFixwidth = s; } + +signals: + void alignmentChanged(QGraphicsLayoutItem*, Qt::Alignment); + +private: + int m_row; + int m_column; + + int m_rowspan; + int m_colspan; + Qt::Alignment m_alignment; + + int m_rowStretch; + int m_colStretch; + int m_rowSpacing; + int m_colSpacing; + + int m_rowPrefHeight; + int m_rowMaxHeight; + int m_rowMinHeight; + int m_rowFixHeight; + + int m_colPrefwidth; + int m_colMaxwidth; + int m_colMinwidth; + int m_colFixwidth; +}; + +QML_DECLARE_INTERFACE(QGraphicsLayoutItem) +QML_DECLARE_INTERFACE(QGraphicsLayout) +QML_DECLARE_TYPE(QGraphicsGridLayoutObject) +QML_DECLARE_TYPEINFO(QGraphicsGridLayoutObject, QML_HAS_ATTACHED_PROPERTIES) + +#endif + |