kopia lustrzana https://github.com/f4exb/sdrangel
419 wiersze
14 KiB
C++
419 wiersze
14 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QCloseEvent>
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#include <QStyle>
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#include <QLabel>
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#include <QPushButton>
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#include <QVBoxLayout>
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#include <QHBoxLayout>
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#include <QSizeGrip>
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#include <QTextEdit>
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#include <QObjectCleanupHandler>
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#include <QDesktopServices>
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#include <QOpenGLWidget>
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#include <QMdiArea>
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#include "mainwindow.h"
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#include "gui/workspaceselectiondialog.h"
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#include "featuregui.h"
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FeatureGUI::FeatureGUI(QWidget *parent) :
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QMdiSubWindow(parent),
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m_featureIndex(0),
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m_contextMenuType(ContextMenuNone),
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m_drag(false),
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m_resizer(this),
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m_disableResize(false),
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m_mdi(nullptr)
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{
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qDebug("FeatureGUI::FeatureGUI");
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setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
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setObjectName("FeatureGUI");
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setStyleSheet(QString(tr("#FeatureGUI { border: 1px solid %1; background-color: %2; }")
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.arg(palette().highlight().color().darker(115).name()))
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.arg(palette().dark().color().darker(115).name()));
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m_indexLabel = new QLabel();
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m_indexLabel->setFixedSize(40, 16);
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m_indexLabel->setStyleSheet("QLabel { background-color: rgb(128, 128, 128); qproperty-alignment: AlignCenter; }");
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m_indexLabel->setText(tr("F:%1").arg(m_featureIndex));
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m_indexLabel->setToolTip("Feature index");
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m_settingsButton = new QPushButton();
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m_settingsButton->setFixedSize(20, 20);
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QIcon settingsIcon(":/gear.png");
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m_settingsButton->setIcon(settingsIcon);
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m_settingsButton->setToolTip("Common settings");
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m_titleLabel = new QLabel();
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m_titleLabel->setText("Feature");
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m_titleLabel->setToolTip("Feature name");
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m_titleLabel->setFixedHeight(20);
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m_titleLabel->setMinimumWidth(20);
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m_titleLabel->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
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m_helpButton = new QPushButton();
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m_helpButton->setFixedSize(20, 20);
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QIcon helpIcon(":/help.png");
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m_helpButton->setIcon(helpIcon);
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m_helpButton->setToolTip("Show feature documentation in browser");
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m_moveButton = new QPushButton();
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m_moveButton->setFixedSize(20, 20);
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QIcon moveIcon(":/exit.png");
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m_moveButton->setIcon(moveIcon);
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m_moveButton->setToolTip("Move to another workspace");
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m_shrinkButton = new QPushButton();
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m_shrinkButton->setFixedSize(20, 20);
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QIcon shrinkIcon(":/shrink.png");
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m_shrinkButton->setIcon(shrinkIcon);
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m_shrinkButton->setToolTip("Adjust window to minimum size");
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m_maximizeButton = new QPushButton();
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m_maximizeButton->setFixedSize(20, 20);
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QIcon maximizeIcon(":/maximize.png");
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m_maximizeButton->setIcon(maximizeIcon);
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m_maximizeButton->setToolTip("Adjust window to maximum size in workspace");
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m_closeButton = new QPushButton();
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m_closeButton->setFixedSize(20, 20);
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QIcon closeIcon(":/cross.png");
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m_closeButton->setIcon(closeIcon);
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m_closeButton->setToolTip("Close feature");
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m_statusLabel = new QLabel();
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// m_statusLabel->setText("OK"); // for future use
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m_statusLabel->setFixedHeight(20);
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m_statusLabel->setMinimumWidth(20);
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m_statusLabel->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
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m_statusLabel->setToolTip("Feature status");
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m_layouts = new QVBoxLayout();
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m_layouts->setContentsMargins(m_resizer.m_gripSize, m_resizer.m_gripSize, m_resizer.m_gripSize, m_resizer.m_gripSize);
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m_layouts->setSpacing(0);
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m_topLayout = new QHBoxLayout();
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m_topLayout->setContentsMargins(0, 0, 0, 0);
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m_topLayout->addWidget(m_indexLabel);
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m_topLayout->addWidget(m_settingsButton);
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m_topLayout->addWidget(m_titleLabel);
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// m_topLayout->addStretch(1);
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m_topLayout->addWidget(m_helpButton);
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m_topLayout->addWidget(m_moveButton);
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m_topLayout->addWidget(m_shrinkButton);
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m_topLayout->addWidget(m_maximizeButton);
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m_topLayout->addWidget(m_closeButton);
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m_centerLayout = new QHBoxLayout();
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m_centerLayout->addWidget(&m_rollupContents);
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m_bottomLayout = new QHBoxLayout();
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m_bottomLayout->setContentsMargins(0, 0, 0, 0);
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m_bottomLayout->addWidget(m_statusLabel);
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m_sizeGripBottomRight = new QSizeGrip(this);
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m_sizeGripBottomRight->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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m_sizeGripBottomRight->setFixedHeight(20);
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// m_bottomLayout->addStretch(1);
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m_bottomLayout->addWidget(m_sizeGripBottomRight, 0, Qt::AlignBottom | Qt::AlignRight);
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m_layouts->addLayout(m_topLayout);
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m_layouts->addLayout(m_centerLayout);
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m_layouts->addLayout(m_bottomLayout);
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QObjectCleanupHandler().add(layout());
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setLayout(m_layouts);
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connect(m_settingsButton, SIGNAL(clicked()), this, SLOT(activateSettingsDialog()));
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connect(m_helpButton, SIGNAL(clicked()), this, SLOT(showHelp()));
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connect(m_moveButton, SIGNAL(clicked()), this, SLOT(openMoveToWorkspaceDialog()));
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connect(m_shrinkButton, SIGNAL(clicked()), this, SLOT(shrinkWindow()));
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connect(m_maximizeButton, SIGNAL(clicked()), this, SLOT(maximizeWindow()));
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connect(this, SIGNAL(forceShrink()), this, SLOT(shrinkWindow()));
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connect(m_closeButton, SIGNAL(clicked()), this, SLOT(close()));
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connect(
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&m_rollupContents,
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&RollupContents::widgetRolled,
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this,
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&FeatureGUI::onWidgetRolled
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);
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m_resizer.enableChildMouseTracking();
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}
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FeatureGUI::~FeatureGUI()
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{
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qDebug("FeatureGUI::~FeatureGUI");
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delete m_sizeGripBottomRight;
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delete m_bottomLayout;
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delete m_centerLayout;
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delete m_topLayout;
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delete m_layouts;
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delete m_statusLabel;
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delete m_closeButton;
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delete m_shrinkButton;
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delete m_maximizeButton;
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delete m_moveButton;
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delete m_helpButton;
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delete m_titleLabel;
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delete m_settingsButton;
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delete m_indexLabel;
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qDebug("FeatureGUI::~FeatureGUI: end");
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}
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void FeatureGUI::closeEvent(QCloseEvent *event)
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{
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qDebug("FeatureGUI::closeEvent");
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emit closing();
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event->accept();
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}
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void FeatureGUI::mousePressEvent(QMouseEvent* event)
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{
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if ((event->button() == Qt::LeftButton) && isOnMovingPad())
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{
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m_drag = true;
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m_DragPosition = event->globalPos() - pos();
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event->accept();
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}
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else
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{
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m_resizer.mousePressEvent(event);
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}
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}
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void FeatureGUI::mouseReleaseEvent(QMouseEvent* event)
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{
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m_resizer.mouseReleaseEvent(event);
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}
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void FeatureGUI::mouseMoveEvent(QMouseEvent* event)
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{
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if ((event->buttons() & Qt::LeftButton) && isOnMovingPad())
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{
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move(event->globalPos() - m_DragPosition);
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event->accept();
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}
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else
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{
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m_resizer.mouseMoveEvent(event);
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}
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}
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void FeatureGUI::leaveEvent(QEvent* event)
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{
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m_resizer.leaveEvent(event);
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QMdiSubWindow::leaveEvent(event);
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}
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void FeatureGUI::activateSettingsDialog()
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{
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QPoint p = QCursor::pos();
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m_contextMenuType = ContextMenuChannelSettings;
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emit customContextMenuRequested(p);
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}
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void FeatureGUI::showHelp()
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{
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if (m_helpURL.isEmpty()) {
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return;
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}
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QString url;
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if (m_helpURL.startsWith("http")) {
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url = m_helpURL;
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} else {
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url = QString("https://github.com/f4exb/sdrangel/blob/master/%1").arg(m_helpURL); // Something like "plugins/channelrx/chanalyzer/readme.md"
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}
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QDesktopServices::openUrl(QUrl(url));
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}
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void FeatureGUI::openMoveToWorkspaceDialog()
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{
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int numberOfWorkspaces = MainWindow::getInstance()->getNumberOfWorkspaces();
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WorkspaceSelectionDialog dialog(numberOfWorkspaces, this);
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dialog.exec();
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if (dialog.hasChanged()) {
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emit moveToWorkspace(dialog.getSelectedIndex());
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}
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}
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void FeatureGUI::onWidgetRolled(QWidget *widget, bool show)
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{
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sizeToContents(); // set min/max constraints before trying to resize
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// When a window is maximized or returns from maximized to normal,
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// RolledContents gets QEvent::Hide and QEvent::Show events, which results in
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// onWidgetRolled being called twice.
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// We need to make sure we don't save widget heights while this occurs. The
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// window manager will take care of maximizing/restoring the window size.
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// We do need to resize when a widget is rolled up, but we also need to avoid
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// resizing when a window is maximized when first shown in tabbed layout
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if (!m_disableResize && !isMaximized())
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{
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if (show)
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{
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// qDebug("FeatureGUI::onWidgetRolled: show: %d %d", m_rollupContents.height(), widget->height());
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int dh = m_heightsMap.contains(widget) ? m_heightsMap[widget] - widget->height() : widget->minimumHeight();
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resize(width(), 52 + m_rollupContents.height() + dh);
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}
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else
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{
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// qDebug("FeatureGUI::onWidgetRolled: hide: %d %d", m_rollupContents.height(), widget->height());
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m_heightsMap[widget] = widget->height();
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resize(width(), 52 + m_rollupContents.height());
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}
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}
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}
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// Size the window according to the size of rollup widget
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void FeatureGUI::sizeToContents()
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{
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// Adjust policy depending on which widgets are currently visible
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if (getRollupContents()->hasExpandableWidgets()) {
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setSizePolicy(getRollupContents()->sizePolicy().horizontalPolicy(), QSizePolicy::Expanding);
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} else {
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setSizePolicy(getRollupContents()->sizePolicy().horizontalPolicy(), QSizePolicy::Fixed);
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}
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// If size policy is fixed, hide widgets that resize the window
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if ((sizePolicy().verticalPolicy() == QSizePolicy::Fixed) && (sizePolicy().horizontalPolicy() == QSizePolicy::Fixed))
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{
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m_shrinkButton->hide();
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m_maximizeButton->hide();
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m_sizeGripBottomRight->hide();
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}
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else if ((sizePolicy().verticalPolicy() == QSizePolicy::Fixed) || (sizePolicy().horizontalPolicy() == QSizePolicy::Fixed))
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{
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m_shrinkButton->show();
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m_maximizeButton->hide();
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m_sizeGripBottomRight->show();
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}
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else
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{
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m_shrinkButton->show();
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m_maximizeButton->show();
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m_sizeGripBottomRight->show();
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}
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// Calculate min/max size for window. This is min/max size of contents, plus
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// extra needed for window frame and title bar
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QSize size;
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size = getRollupContents()->maximumSize();
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size.setHeight(std::min(size.height() + getAdditionalHeight(), QWIDGETSIZE_MAX));
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size.setWidth(std::min(size.width() + m_resizer.m_gripSize * 2, QWIDGETSIZE_MAX));
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setMaximumSize(size);
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// m_resizer uses minimumSizeHint(), m_sizeGripBottomRight uses minimumSize()
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// QWidget docs says: If minimumSize() is set, the minimum size hint will be ignored.
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// However, we use maximum of both:
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// - minimumSize.width() to respect minimumWidth set in .ui file
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// - minimumSizeHint.width() to ensure widgets are fully displayed when larger than above
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// which may be the case when we have widgets hidden in a rollup, as the width
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// set in .ui file may just be for the smallest of widgets
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size = getRollupContents()->minimumSize();
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size = size.expandedTo(getRollupContents()->minimumSizeHint());
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size = size.expandedTo(m_topLayout->minimumSize());
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size.setHeight(size.height() + getAdditionalHeight());
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size.setWidth(size.width() + m_resizer.m_gripSize * 2);
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setMinimumSize(size);
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}
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void FeatureGUI::maximizeWindow()
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{
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// If maximize is pressed when maximized, go full screen
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if (isMaximized())
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{
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m_mdi = mdiArea();
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if (m_mdi) {
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m_mdi->removeSubWindow(this);
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}
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showNormal(); // If we don't go back to normal first, window doesn't get bigger
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showFullScreen();
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m_shrinkButton->setToolTip("Adjust window to maximum size in workspace");
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}
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else
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{
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m_disableResize = true;
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showMaximized();
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m_shrinkButton->setToolTip("Restore window to normal");
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m_maximizeButton->setToolTip("Make window full screen");
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m_disableResize = false;
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// QOpenGLWidget widgets don't always paint properly first time after being maximized,
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// so force an update. Should really fix why they aren't painted properly in the first place
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QList<QOpenGLWidget *> widgets = findChildren<QOpenGLWidget *>();
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for (auto widget : widgets) {
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widget->update();
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}
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}
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}
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void FeatureGUI::shrinkWindow()
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{
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qDebug("FeatureGUI::shrinkWindow");
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if (m_mdi)
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{
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m_disableResize = true;
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showNormal();
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m_mdi->addSubWindow(this);
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show();
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showMaximized();
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m_shrinkButton->setToolTip("Restore window to normal");
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m_disableResize = false;
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m_mdi = nullptr;
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}
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else if (isMaximized())
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{
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m_disableResize = true;
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showNormal();
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m_shrinkButton->setToolTip("Adjust window to minimum size");
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m_maximizeButton->setToolTip("Adjust window to maximum size in workspace");
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m_disableResize = false;
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}
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else
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{
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adjustSize();
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}
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}
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void FeatureGUI::setTitle(const QString& title)
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{
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m_titleLabel->setText(title);
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}
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bool FeatureGUI::isOnMovingPad()
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{
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return m_indexLabel->underMouse() || m_titleLabel->underMouse() || m_statusLabel->underMouse();
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}
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void FeatureGUI::setIndex(int index)
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{
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m_featureIndex = index;
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m_indexLabel->setText(tr("F:%1").arg(m_featureIndex));
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}
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void FeatureGUI::setDisplayedame(const QString& name)
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{
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m_displayedName = name;
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m_indexLabel->setToolTip(tr("%1").arg(m_displayedName));
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}
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