| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the tools applications of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qtgradientview.h" |
| #include "qtgradientmanager.h" |
| #include "qtgradientdialog.h" |
| #include "qtgradientutils.h" |
| #include <QtGui/QClipboard> |
| #include <QtGui/QPainter> |
| #include <QtWidgets/QAction> |
| #include <QtWidgets/QMessageBox> |
| |
| 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(":/qt-project.org/qtgradienteditor/images/plus.png")), tr("New..."), this); |
| m_editAction = new QAction(QIcon(QLatin1String(":/qt-project.org/qtgradienteditor/images/edit.png")), tr("Edit..."), this); |
| m_renameAction = new QAction(tr("Rename"), this); |
| m_removeAction = new QAction(QIcon(QLatin1String(":/qt-project.org/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(); |
| for (auto itGrad = gradients.cbegin(), end = gradients.cend(); itGrad != end; ++itGrad) |
| 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 |