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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** 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 <QtGui/QPainter>
+#include <QtGui/QMessageBox>
+#include <QtGui/QClipboard>
+
+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(QString,QGradient)),
+ this, SLOT(slotGradientAdded(QString,QGradient)));
+ disconnect(m_manager, SIGNAL(gradientRenamed(QString,QString)),
+ this, SLOT(slotGradientRenamed(QString,QString)));
+ disconnect(m_manager, SIGNAL(gradientChanged(QString,QGradient)),
+ this, SLOT(slotGradientChanged(QString,QGradient)));
+ disconnect(m_manager, SIGNAL(gradientRemoved(QString)),
+ this, SLOT(slotGradientRemoved(QString)));
+
+ m_ui.listWidget->clear();
+ m_idToItem.clear();
+ m_itemToId.clear();
+ }
+
+ m_manager = manager;
+
+ if (!m_manager)
+ return;
+
+ QMap<QString, QGradient> gradients = m_manager->gradients();
+ QMapIterator<QString, QGradient> itGrad(gradients);
+ while (itGrad.hasNext()) {
+ itGrad.next();
+ slotGradientAdded(itGrad.key(), itGrad.value());
+ }
+
+ connect(m_manager, SIGNAL(gradientAdded(QString,QGradient)),
+ this, SLOT(slotGradientAdded(QString,QGradient)));
+ connect(m_manager, SIGNAL(gradientRenamed(QString,QString)),
+ this, SLOT(slotGradientRenamed(QString,QString)));
+ connect(m_manager, SIGNAL(gradientChanged(QString,QGradient)),
+ this, SLOT(slotGradientChanged(QString,QGradient)));
+ connect(m_manager, SIGNAL(gradientRemoved(QString)),
+ this, SLOT(slotGradientRemoved(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
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-13 20:31:44 +0000