diff options
Diffstat (limited to 'examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp')
| -rw-r--r-- | examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp b/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp deleted file mode 100644 index 40e286d8c1..0000000000 --- a/examples/declarative/cppextensions/qgraphicslayouts/graphicsLayouts/graphicslayouts.cpp +++ /dev/null @@ -1,365 +0,0 @@ -/**************************************************************************** -** -** 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." -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "graphicslayouts_p.h" - -#include <QtGui/qgraphicswidget.h> -#include <QtCore/qdebug.h> - -QT_BEGIN_NAMESPACE - -LinearLayoutAttached::LinearLayoutAttached(QObject *parent) -: QObject(parent), _stretch(1), _alignment(Qt::AlignCenter), _spacing(0) -{ -} - -void LinearLayoutAttached::setStretchFactor(int f) -{ - if (_stretch == f) - return; - - _stretch = f; - emit stretchChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _stretch); -} - -void LinearLayoutAttached::setSpacing(int s) -{ - if (_spacing == s) - return; - - _spacing = s; - emit spacingChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _spacing); -} - -void LinearLayoutAttached::setAlignment(Qt::Alignment a) -{ - if (_alignment == a) - return; - - _alignment = a; - emit alignmentChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _alignment); -} - -QGraphicsLinearLayoutStretchItemObject::QGraphicsLinearLayoutStretchItemObject(QObject *parent) - : QObject(parent) -{ -} - -QSizeF QGraphicsLinearLayoutStretchItemObject::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const -{ -Q_UNUSED(which); -Q_UNUSED(constraint); -return QSizeF(); -} - - -QGraphicsLinearLayoutObject::QGraphicsLinearLayoutObject(QObject *parent) -: QObject(parent) -{ -} - -QGraphicsLinearLayoutObject::~QGraphicsLinearLayoutObject() -{ -} - -void QGraphicsLinearLayoutObject::insertLayoutItem(int index, QGraphicsLayoutItem *item) -{ -insertItem(index, item); - -//connect attached properties -if (LinearLayoutAttached *obj = attachedProperties.value(item)) { - setStretchFactor(item, obj->stretchFactor()); - setAlignment(item, obj->alignment()); - updateSpacing(item, obj->spacing()); - QObject::connect(obj, SIGNAL(stretchChanged(QGraphicsLayoutItem*,int)), - this, SLOT(updateStretch(QGraphicsLayoutItem*,int))); - QObject::connect(obj, SIGNAL(alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment)), - this, SLOT(updateAlignment(QGraphicsLayoutItem*,Qt::Alignment))); - QObject::connect(obj, SIGNAL(spacingChanged(QGraphicsLayoutItem*,int)), - this, SLOT(updateSpacing(QGraphicsLayoutItem*,int))); - //### need to disconnect when widget is removed? -} -} - -//### is there a better way to do this? -void QGraphicsLinearLayoutObject::clearChildren() -{ -for (int i = 0; i < count(); ++i) - removeAt(i); -} - -qreal QGraphicsLinearLayoutObject::contentsMargin() const -{ - qreal a,b,c,d; - getContentsMargins(&a, &b, &c, &d); - if(a==b && a==c && a==d) - return a; - return -1; -} - -void QGraphicsLinearLayoutObject::setContentsMargin(qreal m) -{ - setContentsMargins(m,m,m,m); -} - -void QGraphicsLinearLayoutObject::updateStretch(QGraphicsLayoutItem *item, int stretch) -{ -QGraphicsLinearLayout::setStretchFactor(item, stretch); -} - -void QGraphicsLinearLayoutObject::updateSpacing(QGraphicsLayoutItem* item, int spacing) -{ - for(int i=0; i < count(); i++){ - if(itemAt(i) == item){ //I do not see the reverse function, which is why we must loop over all items - QGraphicsLinearLayout::setItemSpacing(i, spacing); - return; - } - } -} - -void QGraphicsLinearLayoutObject::updateAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment) -{ -QGraphicsLinearLayout::setAlignment(item, alignment); -} - -QHash<QGraphicsLayoutItem*, LinearLayoutAttached*> QGraphicsLinearLayoutObject::attachedProperties; -LinearLayoutAttached *QGraphicsLinearLayoutObject::qmlAttachedProperties(QObject *obj) -{ -// ### This is not allowed - you must attach to any object -if (!qobject_cast<QGraphicsLayoutItem*>(obj)) - return 0; -LinearLayoutAttached *rv = new LinearLayoutAttached(obj); -attachedProperties.insert(qobject_cast<QGraphicsLayoutItem*>(obj), rv); -return rv; -} - -////////////////////////////////////////////////////////////////////////////////////////////////////// -// QGraphicsGridLayout-related classes -////////////////////////////////////////////////////////////////////////////////////////////////////// -GridLayoutAttached::GridLayoutAttached(QObject *parent) -: QObject(parent), _row(-1), _column(-1), _rowspan(1), _colspan(1), _alignment(-1), _rowstretch(-1), - _colstretch(-1), _rowspacing(-1), _colspacing(-1), _rowprefheight(-1), _rowmaxheight(-1), _rowminheight(-1), - _rowfixheight(-1), _colprefwidth(-1), _colmaxwidth(-1), _colminwidth(-1), _colfixwidth(-1) -{ -} - -void GridLayoutAttached::setRow(int r) -{ - if (_row == r) - return; - - _row = r; - //emit rowChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _row); -} - -void GridLayoutAttached::setColumn(int c) -{ - if (_column == c) - return; - - _column = c; - //emit columnChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _column); -} - -void GridLayoutAttached::setRowSpan(int rs) -{ - if (_rowspan == rs) - return; - - _rowspan = rs; - //emit rowSpanChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _rowSpan); -} - -void GridLayoutAttached::setColumnSpan(int cs) -{ - if (_colspan == cs) - return; - - _colspan = cs; - //emit columnSpanChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _columnSpan); -} - -void GridLayoutAttached::setAlignment(Qt::Alignment a) -{ - if (_alignment == a) - return; - - _alignment = a; - emit alignmentChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), _alignment); -} - -void GridLayoutAttached::setRowStretchFactor(int f) -{ - _rowstretch = f; -} - -void GridLayoutAttached::setColumnStretchFactor(int f) -{ - _colstretch = f; -} - -void GridLayoutAttached::setRowSpacing(int s) -{ - _rowspacing = s; -} - -void GridLayoutAttached::setColumnSpacing(int s) -{ - _colspacing = s; -} - - -QGraphicsGridLayoutObject::QGraphicsGridLayoutObject(QObject *parent) -: QObject(parent) -{ -} - -QGraphicsGridLayoutObject::~QGraphicsGridLayoutObject() -{ -} - -void QGraphicsGridLayoutObject::addWidget(QGraphicsWidget *wid) -{ -//use attached properties -if (QObject *obj = attachedProperties.value(qobject_cast<QGraphicsLayoutItem*>(wid))) { - int row = static_cast<GridLayoutAttached *>(obj)->row(); - int column = static_cast<GridLayoutAttached *>(obj)->column(); - int rowSpan = static_cast<GridLayoutAttached *>(obj)->rowSpan(); - int columnSpan = static_cast<GridLayoutAttached *>(obj)->columnSpan(); - if (row == -1 || column == -1) { - qWarning() << "Must set row and column for an item in a grid layout"; - return; - } - addItem(wid, row, column, rowSpan, columnSpan); -} -} - -void QGraphicsGridLayoutObject::addLayoutItem(QGraphicsLayoutItem *item) -{ -//use attached properties -if (GridLayoutAttached *obj = attachedProperties.value(item)) { - int row = obj->row(); - int column = obj->column(); - int rowSpan = obj->rowSpan(); - int columnSpan = obj->columnSpan(); - Qt::Alignment alignment = obj->alignment(); - if (row == -1 || column == -1) { - qWarning() << "Must set row and column for an item in a grid layout"; - return; - } - if(obj->rowSpacing() != -1) - setRowSpacing(row, obj->rowSpacing()); - if(obj->columnSpacing() != -1) - setColumnSpacing(column, obj->columnSpacing()); - if(obj->rowStretchFactor() != -1) - setRowStretchFactor(row, obj->rowStretchFactor()); - if(obj->columnStretchFactor() != -1) - setColumnStretchFactor(column, obj->columnStretchFactor()); - if(obj->rowPreferredHeight() != -1) - setRowPreferredHeight(row, obj->rowPreferredHeight()); - if(obj->rowMaximumHeight() != -1) - setRowMaximumHeight(row, obj->rowMaximumHeight()); - if(obj->rowMinimumHeight() != -1) - setRowMinimumHeight(row, obj->rowMinimumHeight()); - if(obj->rowFixedHeight() != -1) - setRowFixedHeight(row, obj->rowFixedHeight()); - if(obj->columnPreferredWidth() != -1) - setColumnPreferredWidth(row, obj->columnPreferredWidth()); - if(obj->columnMaximumWidth() != -1) - setColumnMaximumWidth(row, obj->columnMaximumWidth()); - if(obj->columnMinimumWidth() != -1) - setColumnMinimumWidth(row, obj->columnMinimumWidth()); - if(obj->columnFixedWidth() != -1) - setColumnFixedWidth(row, obj->columnFixedWidth()); - addItem(item, row, column, rowSpan, columnSpan); - if (alignment != -1) - setAlignment(item,alignment); - QObject::connect(obj, SIGNAL(alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment)), - this, SLOT(updateAlignment(QGraphicsLayoutItem*,Qt::Alignment))); - //### need to disconnect when widget is removed? -} -} - -//### is there a better way to do this? -void QGraphicsGridLayoutObject::clearChildren() -{ -for (int i = 0; i < count(); ++i) - removeAt(i); -} - -qreal QGraphicsGridLayoutObject::spacing() const -{ -if (verticalSpacing() == horizontalSpacing()) - return verticalSpacing(); -return -1; //### -} - -qreal QGraphicsGridLayoutObject::contentsMargin() const -{ - qreal a,b,c,d; - getContentsMargins(&a, &b, &c, &d); - if(a==b && a==c && a==d) - return a; - return -1; -} - -void QGraphicsGridLayoutObject::setContentsMargin(qreal m) -{ - setContentsMargins(m,m,m,m); -} - - -void QGraphicsGridLayoutObject::updateAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment) -{ -QGraphicsGridLayout::setAlignment(item, alignment); -} - -QHash<QGraphicsLayoutItem*, GridLayoutAttached*> QGraphicsGridLayoutObject::attachedProperties; -GridLayoutAttached *QGraphicsGridLayoutObject::qmlAttachedProperties(QObject *obj) -{ -// ### This is not allowed - you must attach to any object -if (!qobject_cast<QGraphicsLayoutItem*>(obj)) - return 0; -GridLayoutAttached *rv = new GridLayoutAttached(obj); -attachedProperties.insert(qobject_cast<QGraphicsLayoutItem*>(obj), rv); -return rv; -} - -QT_END_NAMESPACE |