e510b6e466
Fixed the include statements added QT+=widgets in examples/network to get them to compile. Will need something better than doing it manually.
166 lines
5.7 KiB
C++
166 lines
5.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "freezetablewidget.h"
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//! [constructor]
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FreezeTableWidget::FreezeTableWidget(QAbstractItemModel * model)
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{
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setModel(model);
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frozenTableView = new QTableView(this);
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init();
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//connect the headers and scrollbars of both tableviews together
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connect(horizontalHeader(),SIGNAL(sectionResized(int,int,int)), this,
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SLOT(updateSectionWidth(int,int,int)));
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connect(verticalHeader(),SIGNAL(sectionResized(int,int,int)), this,
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SLOT(updateSectionHeight(int,int,int)));
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connect(frozenTableView->verticalScrollBar(), SIGNAL(valueChanged(int)),
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verticalScrollBar(), SLOT(setValue(int)));
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connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
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frozenTableView->verticalScrollBar(), SLOT(setValue(int)));
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}
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//! [constructor]
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FreezeTableWidget::~FreezeTableWidget()
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{
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delete frozenTableView;
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}
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//! [init part1]
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void FreezeTableWidget::init()
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{
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frozenTableView->setModel(model());
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frozenTableView->setFocusPolicy(Qt::NoFocus);
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frozenTableView->verticalHeader()->hide();
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frozenTableView->horizontalHeader()->setResizeMode(QHeaderView::Fixed);
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viewport()->stackUnder(frozenTableView);
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//! [init part1]
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//! [init part2]
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frozenTableView->setStyleSheet("QTableView { border: none;"
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"background-color: #8EDE21;"
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"selection-background-color: #999}"); //for demo purposes
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frozenTableView->setSelectionModel(selectionModel());
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for(int col=1; col<model()->columnCount(); col++)
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frozenTableView->setColumnHidden(col, true);
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frozenTableView->setColumnWidth(0, columnWidth(0) );
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frozenTableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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frozenTableView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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frozenTableView->show();
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updateFrozenTableGeometry();
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setHorizontalScrollMode(ScrollPerPixel);
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setVerticalScrollMode(ScrollPerPixel);
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frozenTableView->setVerticalScrollMode(ScrollPerPixel);
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}
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//! [init part2]
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//! [sections]
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void FreezeTableWidget::updateSectionWidth(int logicalIndex, int, int newSize)
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{
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if(logicalIndex==0){
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frozenTableView->setColumnWidth(0,newSize);
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updateFrozenTableGeometry();
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}
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}
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void FreezeTableWidget::updateSectionHeight(int logicalIndex, int, int newSize)
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{
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frozenTableView->setRowHeight(logicalIndex, newSize);
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}
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//! [sections]
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//! [resize]
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void FreezeTableWidget::resizeEvent(QResizeEvent * event)
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{
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QTableView::resizeEvent(event);
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updateFrozenTableGeometry();
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}
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//! [resize]
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//! [navigate]
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QModelIndex FreezeTableWidget::moveCursor(CursorAction cursorAction,
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Qt::KeyboardModifiers modifiers)
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{
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QModelIndex current = QTableView::moveCursor(cursorAction, modifiers);
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if(cursorAction == MoveLeft && current.column()>0
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&& visualRect(current).topLeft().x() < frozenTableView->columnWidth(0) ){
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const int newValue = horizontalScrollBar()->value() + visualRect(current).topLeft().x()
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- frozenTableView->columnWidth(0);
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horizontalScrollBar()->setValue(newValue);
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}
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return current;
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}
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//! [navigate]
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void FreezeTableWidget::scrollTo (const QModelIndex & index, ScrollHint hint){
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if(index.column()>0)
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QTableView::scrollTo(index, hint);
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}
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//! [geometry]
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void FreezeTableWidget::updateFrozenTableGeometry()
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{
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frozenTableView->setGeometry( verticalHeader()->width()+frameWidth(),
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frameWidth(), columnWidth(0),
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viewport()->height()+horizontalHeader()->height());
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}
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//! [geometry]
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