/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the tools applications of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qtgradientview.h" #include "qtgradientmanager.h" #include "qtgradientdialog.h" #include "qtgradientutils.h" #include #include #include QT_BEGIN_NAMESPACE void QtGradientView::slotGradientAdded(const QString &id, const QGradient &gradient) { QListWidgetItem *item = new QListWidgetItem(QtGradientUtils::gradientPixmap(gradient), id, m_ui.listWidget); item->setToolTip(id); item->setSizeHint(QSize(72, 84)); item->setFlags(item->flags() | Qt::ItemIsEditable); m_idToItem[id] = item; m_itemToId[item] = id; } void QtGradientView::slotGradientRenamed(const QString &id, const QString &newId) { if (!m_idToItem.contains(id)) return; QListWidgetItem *item = m_idToItem.value(id); item->setText(newId); item->setToolTip(newId); m_itemToId[item] = newId; m_idToItem.remove(id); m_idToItem[newId] = item; } void QtGradientView::slotGradientChanged(const QString &id, const QGradient &newGradient) { if (!m_idToItem.contains(id)) return; QListWidgetItem *item = m_idToItem.value(id); item->setIcon(QtGradientUtils::gradientPixmap(newGradient)); } void QtGradientView::slotGradientRemoved(const QString &id) { if (!m_idToItem.contains(id)) return; QListWidgetItem *item = m_idToItem.value(id); delete item; m_itemToId.remove(item); m_idToItem.remove(id); } void QtGradientView::slotNewGradient() { bool ok; QListWidgetItem *item = m_ui.listWidget->currentItem(); QGradient grad = QLinearGradient(); if (item) grad = m_manager->gradients().value(m_itemToId.value(item)); QGradient gradient = QtGradientDialog::getGradient(&ok, grad, this); if (!ok) return; QString id = m_manager->addGradient(tr("Grad"), gradient); m_ui.listWidget->setCurrentItem(m_idToItem.value(id)); } void QtGradientView::slotEditGradient() { bool ok; QListWidgetItem *item = m_ui.listWidget->currentItem(); if (!item) return; const QString id = m_itemToId.value(item); QGradient grad = m_manager->gradients().value(id); QGradient gradient = QtGradientDialog::getGradient(&ok, grad, this); if (!ok) return; m_manager->changeGradient(id, gradient); } void QtGradientView::slotRemoveGradient() { QListWidgetItem *item = m_ui.listWidget->currentItem(); if (!item) return; if (QMessageBox::question(this, tr("Remove Gradient"), tr("Are you sure you want to remove the selected gradient?"), QMessageBox::Yes | QMessageBox::Cancel, QMessageBox::Cancel) != QMessageBox::Yes) return; const QString id = m_itemToId.value(item); m_manager->removeGradient(id); } void QtGradientView::slotRenameGradient() { QListWidgetItem *item = m_ui.listWidget->currentItem(); if (!item) return; m_ui.listWidget->editItem(item); } void QtGradientView::slotRenameGradient(QListWidgetItem *item) { if (!item) return; const QString id = m_itemToId.value(item); m_manager->renameGradient(id, item->text()); } void QtGradientView::slotCurrentItemChanged(QListWidgetItem *item) { m_editAction->setEnabled(item); m_renameAction->setEnabled(item); m_removeAction->setEnabled(item); emit currentGradientChanged(m_itemToId.value(item)); } void QtGradientView::slotGradientActivated(QListWidgetItem *item) { const QString id = m_itemToId.value(item); if (!id.isEmpty()) emit gradientActivated(id); } QtGradientView::QtGradientView(QWidget *parent) : QWidget(parent) { m_manager = 0; m_ui.setupUi(this); m_ui.listWidget->setViewMode(QListView::IconMode); m_ui.listWidget->setMovement(QListView::Static); m_ui.listWidget->setTextElideMode(Qt::ElideRight); m_ui.listWidget->setResizeMode(QListWidget::Adjust); m_ui.listWidget->setIconSize(QSize(64, 64)); m_ui.listWidget->setEditTriggers(QAbstractItemView::NoEditTriggers); QPalette pal = m_ui.listWidget->viewport()->palette(); int pixSize = 18; QPixmap pm(2 * pixSize, 2 * pixSize); QColor c1 = palette().color(QPalette::Midlight); QColor c2 = palette().color(QPalette::Dark); QPainter pmp(&pm); pmp.fillRect(0, 0, pixSize, pixSize, c1); pmp.fillRect(pixSize, pixSize, pixSize, pixSize, c1); pmp.fillRect(0, pixSize, pixSize, pixSize, c2); pmp.fillRect(pixSize, 0, pixSize, pixSize, c2); pal.setBrush(QPalette::Base, QBrush(pm)); m_ui.listWidget->viewport()->setPalette(pal); connect(m_ui.listWidget, SIGNAL(itemDoubleClicked(QListWidgetItem *)), this, SLOT(slotGradientActivated(QListWidgetItem *))); connect(m_ui.listWidget, SIGNAL(itemChanged(QListWidgetItem *)), this, SLOT(slotRenameGradient(QListWidgetItem *))); connect(m_ui.listWidget, SIGNAL(currentItemChanged(QListWidgetItem *, QListWidgetItem *)), this, SLOT(slotCurrentItemChanged(QListWidgetItem *))); m_newAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/plus.png")), tr("New..."), this); m_editAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/edit.png")), tr("Edit..."), this); m_renameAction = new QAction(tr("Rename"), this); m_removeAction = new QAction(QIcon(QLatin1String(":/trolltech/qtgradienteditor/images/minus.png")), tr("Remove"), this); connect(m_newAction, SIGNAL(triggered()), this, SLOT(slotNewGradient())); connect(m_editAction, SIGNAL(triggered()), this, SLOT(slotEditGradient())); connect(m_removeAction, SIGNAL(triggered()), this, SLOT(slotRemoveGradient())); connect(m_renameAction, SIGNAL(triggered()), this, SLOT(slotRenameGradient())); m_ui.listWidget->addAction(m_newAction); m_ui.listWidget->addAction(m_editAction); m_ui.listWidget->addAction(m_renameAction); m_ui.listWidget->addAction(m_removeAction); m_ui.newButton->setDefaultAction(m_newAction); m_ui.editButton->setDefaultAction(m_editAction); m_ui.renameButton->setDefaultAction(m_renameAction); m_ui.removeButton->setDefaultAction(m_removeAction); m_ui.listWidget->setContextMenuPolicy(Qt::ActionsContextMenu); } void QtGradientView::setGradientManager(QtGradientManager *manager) { if (m_manager == manager) return; if (m_manager) { disconnect(m_manager, SIGNAL(gradientAdded(const QString &, const QGradient &)), this, SLOT(slotGradientAdded(const QString &, const QGradient &))); disconnect(m_manager, SIGNAL(gradientRenamed(const QString &, const QString &)), this, SLOT(slotGradientRenamed(const QString &, const QString &))); disconnect(m_manager, SIGNAL(gradientChanged(const QString &, const QGradient &)), this, SLOT(slotGradientChanged(const QString &, const QGradient &))); disconnect(m_manager, SIGNAL(gradientRemoved(const QString &)), this, SLOT(slotGradientRemoved(const QString &))); m_ui.listWidget->clear(); m_idToItem.clear(); m_itemToId.clear(); } m_manager = manager; if (!m_manager) return; QMap gradients = m_manager->gradients(); QMapIterator itGrad(gradients); while (itGrad.hasNext()) { itGrad.next(); slotGradientAdded(itGrad.key(), itGrad.value()); } connect(m_manager, SIGNAL(gradientAdded(const QString &, const QGradient &)), this, SLOT(slotGradientAdded(const QString &, const QGradient &))); connect(m_manager, SIGNAL(gradientRenamed(const QString &, const QString &)), this, SLOT(slotGradientRenamed(const QString &, const QString &))); connect(m_manager, SIGNAL(gradientChanged(const QString &, const QGradient &)), this, SLOT(slotGradientChanged(const QString &, const QGradient &))); connect(m_manager, SIGNAL(gradientRemoved(const QString &)), this, SLOT(slotGradientRemoved(const QString &))); } QtGradientManager *QtGradientView::gradientManager() const { return m_manager; } void QtGradientView::setCurrentGradient(const QString &id) { QListWidgetItem *item = m_idToItem.value(id); if (!item) return; m_ui.listWidget->setCurrentItem(item); } QString QtGradientView::currentGradient() const { return m_itemToId.value(m_ui.listWidget->currentItem()); } QT_END_NAMESPACE