297 lines
8.0 KiB
C++
297 lines
8.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2018 LoRd_MuldeR <MuldeR2@GMX.de>
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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; either version 2 of the License, or
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// (at your option) any later version, but always including the *additional*
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// restrictions defined in the "License.txt" file.
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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 for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "Dialog_DropBox.h"
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#include "UIC_DropBox.h"
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//Internal
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#include "Global.h"
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#include "Model_Settings.h"
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//MUtils
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#include <MUtils/Global.h>
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//Qt
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#include <QThread>
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#include <QMovie>
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#include <QKeyEvent>
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#include <QDesktopWidget>
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#include <QToolTip>
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#include <QTimer>
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#define EPS (1.0E-5)
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#define SET_FONT_BOLD(WIDGET,BOLD) { QFont _font = (WIDGET)->font(); _font.setBold(BOLD); (WIDGET)->setFont(_font); }
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static QRect SCREEN_GEOMETRY(void)
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{
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QDesktopWidget *desktop = QApplication::desktop();
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return (desktop->isVirtualDesktop() ? desktop->screen()->geometry() : desktop->availableGeometry());
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}
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static const double LOW_OPACITY = 0.85;
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////////////////////////////////////////////////////////////
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// Constructor
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////////////////////////////////////////////////////////////
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DropBox::DropBox(QWidget *parent, QAbstractItemModel *model, SettingsModel *settings)
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:
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QDialog(parent, Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint),
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ui(new Ui::DropBox),
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m_model(model),
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m_settings(settings),
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m_moving(false),
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m_screenGeometry(SCREEN_GEOMETRY()),
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m_firstShow(true)
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{
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//Init the dialog, from the .ui file
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ui->setupUi(this);
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//Init counter
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m_counterLabel = new QLabel(this);
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m_counterLabel->setParent(ui->dropBoxLabel);
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m_counterLabel->setText("0");
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m_counterLabel->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
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SET_FONT_BOLD(m_counterLabel, true);
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m_windowReferencePoint = new QPoint;
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m_mouseReferencePoint = new QPoint;
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//Prevent close
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m_canClose = false;
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//Make transparent
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setAttribute(Qt::WA_TranslucentBackground);
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setWindowOpacity(LOW_OPACITY);
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//Translate UI
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QEvent languageChangeEvent(QEvent::LanguageChange);
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changeEvent(&languageChangeEvent);
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}
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////////////////////////////////////////////////////////////
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// Destructor
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////////////////////////////////////////////////////////////
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DropBox::~DropBox(void)
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{
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if(!m_firstShow)
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{
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m_settings->dropBoxWidgetPositionX(this->x());
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m_settings->dropBoxWidgetPositionY(this->y());
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}
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MUTILS_DELETE(m_counterLabel);
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MUTILS_DELETE(m_windowReferencePoint);
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MUTILS_DELETE(m_mouseReferencePoint);
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MUTILS_DELETE(ui);
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}
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////////////////////////////////////////////////////////////
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// PUBLIC SLOTS
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////////////////////////////////////////////////////////////
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void DropBox::modelChanged(void)
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{
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if(m_model)
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{
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m_counterLabel->setText(QString::number(m_model->rowCount()));
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}
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}
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////////////////////////////////////////////////////////////
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// EVENTS
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////////////////////////////////////////////////////////////
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/*
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* Re-translate the UI
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*/
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void DropBox::changeEvent(QEvent *e)
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{
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if(e->type() == QEvent::LanguageChange)
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{
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ui->retranslateUi(this);
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ui->dropBoxLabel->setToolTip(QString("<b>%1</b><br><nobr>%2</nobr><br><nobr>%3</nobr>").arg(tr("LameXP DropBox"), tr("You can add files to LameXP via Drag&Drop here!"), tr("(Right-click to close the DropBox)")));
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}
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}
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void DropBox::showEvent(QShowEvent *event)
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{
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m_screenGeometry = SCREEN_GEOMETRY();
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setFixedSize(ui->dropBoxLabel->pixmap()->size());
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m_counterLabel->setGeometry(0, ui->dropBoxLabel->height() - 30, ui->dropBoxLabel->width(), 25);
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if(m_firstShow)
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{
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m_firstShow = false;
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int pos_x = m_settings->dropBoxWidgetPositionX();
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int pos_y = m_settings->dropBoxWidgetPositionY();
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if((pos_x < 0) && (pos_y < 0))
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{
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QWidget *const parentWidget = dynamic_cast<QWidget*>(this->parent());
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QWidget *const targetWidget = parentWidget ? parentWidget : this;
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QRect availGeometry = QApplication::desktop()->availableGeometry(targetWidget);
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pos_x = availGeometry.width() - frameGeometry().width() + availGeometry.left();
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pos_y = availGeometry.height() - frameGeometry().height() + availGeometry.top();
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}
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else
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{
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pos_x = qBound(0, pos_x, m_screenGeometry.width() - frameGeometry().width());
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pos_y = qBound(0, pos_y, m_screenGeometry.height() - frameGeometry().height());
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}
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move(pos_x, pos_y);
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}
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if(m_moving)
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{
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QApplication::restoreOverrideCursor();
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m_moving = false;
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setWindowOpacity(LOW_OPACITY);
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}
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boundWidget(this);
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}
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void DropBox::keyPressEvent(QKeyEvent *event)
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{
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event->ignore();
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}
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void DropBox::keyReleaseEvent(QKeyEvent *event)
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{
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event->ignore();
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}
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void DropBox::closeEvent(QCloseEvent *event)
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{
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if(!m_canClose)
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{
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event->ignore();
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}
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}
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void DropBox::mousePressEvent(QMouseEvent *event)
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{
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if(m_moving)
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{
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event->ignore();
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return;
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}
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if(event->button() == Qt::RightButton)
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{
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hide();
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if(m_settings) m_settings->dropBoxWidgetEnabled(false);
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return;
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}
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m_screenGeometry = SCREEN_GEOMETRY();
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QApplication::setOverrideCursor(Qt::SizeAllCursor);
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*m_windowReferencePoint = this->pos();
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*m_mouseReferencePoint = event->globalPos();
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m_moving = true;
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setWindowOpacity(1.0);
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}
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void DropBox::mouseReleaseEvent(QMouseEvent *event)
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{
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if(m_moving && event->button() != Qt::RightButton)
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{
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boundWidget(this);
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QApplication::restoreOverrideCursor();
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setWindowOpacity(LOW_OPACITY);
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m_settings->dropBoxWidgetPositionX(this->x());
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m_settings->dropBoxWidgetPositionY(this->y());
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m_moving = false;
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}
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}
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void DropBox::mouseMoveEvent(QMouseEvent *event)
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{
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if(!m_moving)
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{
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return;
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}
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const int delta_x = m_mouseReferencePoint->x() - event->globalX();
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const int delta_y = m_mouseReferencePoint->y() - event->globalY();
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const int max_x = m_screenGeometry.width() - frameGeometry().width() + m_screenGeometry.left();
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const int max_y = m_screenGeometry.height() - frameGeometry().height() + m_screenGeometry.top();
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const int new_x = qBound(m_screenGeometry.left(), m_windowReferencePoint->x() - delta_x, max_x);
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const int new_y = qBound(m_screenGeometry.top(), m_windowReferencePoint->y() - delta_y, max_y);
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move(new_x, new_y);
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}
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void DropBox::showToolTip(void)
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{
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QToolTip::showText(ui->dropBoxLabel->mapToGlobal(ui->dropBoxLabel->pos()), ui->dropBoxLabel->toolTip());
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}
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bool DropBox::event(QEvent *event)
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{
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switch(event->type())
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{
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case QEvent::Leave:
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case QEvent::WindowDeactivate:
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if(m_moving)
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{
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QApplication::restoreOverrideCursor();
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m_moving = false;
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}
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break;
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}
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return QDialog::event(event);
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}
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////////////////////////////////////////////////////////////
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// PRIVATE
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////////////////////////////////////////////////////////////
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void DropBox::boundWidget(QWidget *widget)
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{
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static const int magnetic = 24;
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QRect availGeometry = QApplication::desktop()->availableGeometry(widget);
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const int max_x = availGeometry.width() - widget->frameGeometry().width() + availGeometry.left();
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const int max_y = availGeometry.height() - widget->frameGeometry().height() + availGeometry.top();
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int new_x = qBound(availGeometry.left(), widget->x(), max_x);
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int new_y = qBound(availGeometry.top(), widget->y(), max_y);
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if(new_x - availGeometry.left() < magnetic) new_x = availGeometry.left();
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if(new_y - availGeometry.top() < magnetic) new_y = availGeometry.top();
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if(max_x - new_x < magnetic) new_x = max_x;
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if(max_y - new_y < magnetic) new_y = max_y;
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if((widget->x() != new_x) || (widget->y() != new_y))
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{
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widget->move(new_x, new_y);
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}
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}
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