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293 lines
10 KiB
C++
293 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the tools applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qtgradientview.h"
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#include "qtgradientmanager.h"
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#include "qtgradientdialog.h"
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#include "qtgradientutils.h"
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#include <QtGui/QPainter>
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#include <QtGui/QMessageBox>
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#include <QtGui/QClipboard>
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QT_BEGIN_NAMESPACE
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void QtGradientView::slotGradientAdded(const QString &id, const QGradient &gradient)
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{
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QListWidgetItem *item = new QListWidgetItem(QtGradientUtils::gradientPixmap(gradient), id, m_ui.listWidget);
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item->setToolTip(id);
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item->setSizeHint(QSize(72, 84));
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item->setFlags(item->flags() | Qt::ItemIsEditable);
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m_idToItem[id] = item;
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m_itemToId[item] = id;
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}
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void QtGradientView::slotGradientRenamed(const QString &id, const QString &newId)
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{
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if (!m_idToItem.contains(id))
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return;
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QListWidgetItem *item = m_idToItem.value(id);
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item->setText(newId);
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item->setToolTip(newId);
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m_itemToId[item] = newId;
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m_idToItem.remove(id);
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m_idToItem[newId] = item;
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}
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void QtGradientView::slotGradientChanged(const QString &id, const QGradient &newGradient)
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{
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if (!m_idToItem.contains(id))
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return;
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QListWidgetItem *item = m_idToItem.value(id);
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item->setIcon(QtGradientUtils::gradientPixmap(newGradient));
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}
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void QtGradientView::slotGradientRemoved(const QString &id)
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{
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if (!m_idToItem.contains(id))
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return;
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QListWidgetItem *item = m_idToItem.value(id);
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delete item;
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m_itemToId.remove(item);
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m_idToItem.remove(id);
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}
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void QtGradientView::slotNewGradient()
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{
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bool ok;
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QListWidgetItem *item = m_ui.listWidget->currentItem();
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QGradient grad = QLinearGradient();
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if (item)
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grad = m_manager->gradients().value(m_itemToId.value(item));
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QGradient gradient = QtGradientDialog::getGradient(&ok, grad, this);
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if (!ok)
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return;
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QString id = m_manager->addGradient(tr("Grad"), gradient);
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m_ui.listWidget->setCurrentItem(m_idToItem.value(id));
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}
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void QtGradientView::slotEditGradient()
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{
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bool ok;
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QListWidgetItem *item = m_ui.listWidget->currentItem();
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if (!item)
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return;
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const QString id = m_itemToId.value(item);
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QGradient grad = m_manager->gradients().value(id);
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QGradient gradient = QtGradientDialog::getGradient(&ok, grad, this);
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if (!ok)
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return;
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m_manager->changeGradient(id, gradient);
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}
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void QtGradientView::slotRemoveGradient()
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{
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QListWidgetItem *item = m_ui.listWidget->currentItem();
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if (!item)
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return;
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if (QMessageBox::question(this, tr("Remove Gradient"),
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tr("Are you sure you want to remove the selected gradient?"),
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QMessageBox::Yes | QMessageBox::Cancel, QMessageBox::Cancel) != QMessageBox::Yes)
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return;
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const QString id = m_itemToId.value(item);
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m_manager->removeGradient(id);
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}
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void QtGradientView::slotRenameGradient()
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{
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QListWidgetItem *item = m_ui.listWidget->currentItem();
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if (!item)
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return;
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m_ui.listWidget->editItem(item);
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}
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void QtGradientView::slotRenameGradient(QListWidgetItem *item)
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{
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if (!item)
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return;
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const QString id = m_itemToId.value(item);
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m_manager->renameGradient(id, item->text());
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}
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void QtGradientView::slotCurrentItemChanged(QListWidgetItem *item)
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{
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m_editAction->setEnabled(item);
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m_renameAction->setEnabled(item);
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m_removeAction->setEnabled(item);
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emit currentGradientChanged(m_itemToId.value(item));
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}
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void QtGradientView::slotGradientActivated(QListWidgetItem *item)
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{
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const QString id = m_itemToId.value(item);
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if (!id.isEmpty())
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emit gradientActivated(id);
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}
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QtGradientView::QtGradientView(QWidget *parent)
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: QWidget(parent)
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{
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m_manager = 0;
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m_ui.setupUi(this);
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m_ui.listWidget->setViewMode(QListView::IconMode);
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m_ui.listWidget->setMovement(QListView::Static);
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m_ui.listWidget->setTextElideMode(Qt::ElideRight);
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m_ui.listWidget->setResizeMode(QListWidget::Adjust);
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m_ui.listWidget->setIconSize(QSize(64, 64));
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m_ui.listWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
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QPalette pal = m_ui.listWidget->viewport()->palette();
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int pixSize = 18;
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QPixmap pm(2 * pixSize, 2 * pixSize);
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QColor c1 = palette().color(QPalette::Midlight);
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QColor c2 = palette().color(QPalette::Dark);
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QPainter pmp(&pm);
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pmp.fillRect(0, 0, pixSize, pixSize, c1);
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pmp.fillRect(pixSize, pixSize, pixSize, pixSize, c1);
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pmp.fillRect(0, pixSize, pixSize, pixSize, c2);
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pmp.fillRect(pixSize, 0, pixSize, pixSize, c2);
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pal.setBrush(QPalette::Base, QBrush(pm));
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m_ui.listWidget->viewport()->setPalette(pal);
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connect(m_ui.listWidget, SIGNAL(itemDoubleClicked(QListWidgetItem*)), this, SLOT(slotGradientActivated(QListWidgetItem*)));
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connect(m_ui.listWidget, SIGNAL(itemChanged(QListWidgetItem*)), this, SLOT(slotRenameGradient(QListWidgetItem*)));
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connect(m_ui.listWidget, SIGNAL(currentItemChanged(QListWidgetItem*,QListWidgetItem*)), this, SLOT(slotCurrentItemChanged(QListWidgetItem*)));
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m_newAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/plus.png")), tr("New..."), this);
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m_editAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/edit.png")), tr("Edit..."), this);
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m_renameAction = new QAction(tr("Rename"), this);
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m_removeAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/minus.png")), tr("Remove"), this);
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connect(m_newAction, SIGNAL(triggered()), this, SLOT(slotNewGradient()));
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connect(m_editAction, SIGNAL(triggered()), this, SLOT(slotEditGradient()));
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connect(m_removeAction, SIGNAL(triggered()), this, SLOT(slotRemoveGradient()));
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connect(m_renameAction, SIGNAL(triggered()), this, SLOT(slotRenameGradient()));
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m_ui.listWidget->addAction(m_newAction);
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m_ui.listWidget->addAction(m_editAction);
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m_ui.listWidget->addAction(m_renameAction);
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m_ui.listWidget->addAction(m_removeAction);
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m_ui.newButton->setDefaultAction(m_newAction);
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m_ui.editButton->setDefaultAction(m_editAction);
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m_ui.renameButton->setDefaultAction(m_renameAction);
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m_ui.removeButton->setDefaultAction(m_removeAction);
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m_ui.listWidget->setContextMenuPolicy(Qt::ActionsContextMenu);
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}
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void QtGradientView::setGradientManager(QtGradientManager *manager)
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{
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if (m_manager == manager)
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return;
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if (m_manager) {
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disconnect(m_manager, SIGNAL(gradientAdded(QString,QGradient)),
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this, SLOT(slotGradientAdded(QString,QGradient)));
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disconnect(m_manager, SIGNAL(gradientRenamed(QString,QString)),
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this, SLOT(slotGradientRenamed(QString,QString)));
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disconnect(m_manager, SIGNAL(gradientChanged(QString,QGradient)),
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this, SLOT(slotGradientChanged(QString,QGradient)));
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disconnect(m_manager, SIGNAL(gradientRemoved(QString)),
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this, SLOT(slotGradientRemoved(QString)));
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m_ui.listWidget->clear();
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m_idToItem.clear();
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m_itemToId.clear();
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}
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m_manager = manager;
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if (!m_manager)
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return;
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QMap<QString, QGradient> gradients = m_manager->gradients();
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QMapIterator<QString, QGradient> itGrad(gradients);
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while (itGrad.hasNext()) {
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itGrad.next();
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slotGradientAdded(itGrad.key(), itGrad.value());
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}
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connect(m_manager, SIGNAL(gradientAdded(QString,QGradient)),
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this, SLOT(slotGradientAdded(QString,QGradient)));
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connect(m_manager, SIGNAL(gradientRenamed(QString,QString)),
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this, SLOT(slotGradientRenamed(QString,QString)));
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connect(m_manager, SIGNAL(gradientChanged(QString,QGradient)),
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this, SLOT(slotGradientChanged(QString,QGradient)));
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connect(m_manager, SIGNAL(gradientRemoved(QString)),
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this, SLOT(slotGradientRemoved(QString)));
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}
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QtGradientManager *QtGradientView::gradientManager() const
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{
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return m_manager;
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}
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void QtGradientView::setCurrentGradient(const QString &id)
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{
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QListWidgetItem *item = m_idToItem.value(id);
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if (!item)
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return;
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m_ui.listWidget->setCurrentItem(item);
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}
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QString QtGradientView::currentGradient() const
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{
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return m_itemToId.value(m_ui.listWidget->currentItem());
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}
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QT_END_NAMESPACE
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#include <moc_qtgradientview.h>
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