359 lines
9.0 KiB
C++
359 lines
9.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2021 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; always including the non-optional
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// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "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_WorkingBanner.h"
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#include "UIC_WorkingBanner.h"
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//Internal
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#include "Global.h"
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//MUtils
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#include <MUtils/Global.h>
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#include <MUtils/GUI.h>
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#include <MUtils/Taskbar7.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 <QFontMetrics>
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#include <QPainter>
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#include <QWindowsVistaStyle>
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#include <QTimer>
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#define EPS (1.0E-5)
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/* It can happen that the QThread has just terminated and already emitted the 'terminated' signal, but did NOT change the 'isRunning' flag to FALSE yet. */
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/* For this reason the macro will first check the 'isRunning' flag. If (and only if) the flag still returns TRUE, then we will wait() for at most 50 ms. */
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/* If, after 50 ms, the wait() function returns with FALSE, then the thread probably is still running and we return TRUE. Otherwise we can return FALSE. */
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#define THREAD_RUNNING(THRD) (((THRD)->isRunning()) ? (!((THRD)->wait(1))) : false)
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/*Update text color*/
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static inline void SET_TEXT_COLOR(QWidget *control, const QColor &color)
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{
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QPalette pal = control->palette();
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pal.setColor(QPalette::WindowText, color);
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pal.setColor(QPalette::Text, color);
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control->setPalette(pal);
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}
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/*Make widget translucent*/
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static inline void MAKE_TRANSLUCENT(QWidget *control)
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{
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control->setAttribute(Qt::WA_TranslucentBackground);
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control->setAttribute(Qt::WA_NoSystemBackground);
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}
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/*Update widget margins*/
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static inline void UPDATE_MARGINS(QWidget *control, int l = 0, int r = 0, int t = 0, int b = 0)
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{
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if(QLayout *layout = control->layout())
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{
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QMargins margins = layout->contentsMargins();
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margins.setLeft(margins.left() + l);
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margins.setRight(margins.right() + r);
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margins.setTop(margins.top() + t);
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margins.setBottom(margins.bottom() + b);
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layout->setContentsMargins(margins);
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}
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}
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////////////////////////////////////////////////////////////
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// Constructor
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////////////////////////////////////////////////////////////
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WorkingBanner::WorkingBanner(QWidget *parent)
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:
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QDialog(parent, Qt::CustomizeWindowHint | Qt::WindowStaysOnTopHint),
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ui(new Ui::WorkingBanner()),
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m_taskbar(new MUtils::Taskbar7(parent)),
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m_metrics(NULL), m_working(NULL), m_style(NULL)
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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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setModal(true);
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//Enable the "sheet of glass" effect
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if(MUtils::GUI::sheet_of_glass(this))
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{
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m_style.reset(new QWindowsVistaStyle());
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this->setStyle(m_style.data());
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ui->progressBar->setStyle(m_style.data());
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ui->labelStatus->setStyle(m_style.data());
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ui->labelStatus->setStyleSheet("background-color: #FFFFFF;");
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}
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else
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{
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UPDATE_MARGINS(this, 5);
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m_working.reset(new QMovie(":/images/Busy.gif"));
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m_working->setCacheMode(QMovie::CacheAll);
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ui->labelWorking->setMovie(m_working.data());
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}
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//Set Opacity
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this->setWindowOpacity(0.9);
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//Set wait cursor
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setCursor(Qt::WaitCursor);
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//Clear label
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ui->labelStatus->clear();
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}
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////////////////////////////////////////////////////////////
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// Destructor
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////////////////////////////////////////////////////////////
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WorkingBanner::~WorkingBanner(void)
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{
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if(!m_working.isNull())
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{
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m_working->stop();
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}
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delete ui;
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}
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////////////////////////////////////////////////////////////
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// PUBLIC FUNCTIONS
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////////////////////////////////////////////////////////////
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void WorkingBanner::show(const QString &text)
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{
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m_canClose = false;
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QDialog::show();
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setFixedSize(size());
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setText(text);
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//Reset progress
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ui->progressBar->setMinimum(0);
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ui->progressBar->setMaximum(0);
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ui->progressBar->setValue(-1);
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}
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void WorkingBanner::show(const QString &text, QThread *thread)
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{
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//Show splash
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this->show(text);
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//Create event loop
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QEventLoop *loop = new QEventLoop(this);
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connect(thread, SIGNAL(finished()), loop, SLOT(quit()));
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connect(thread, SIGNAL(terminated()), loop, SLOT(quit()));
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//Set taskbar state
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m_taskbar->setOverlayIcon(&QIcon(":/icons/hourglass.png"));
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m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_INTERMEDIATE);
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//Start the thread
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thread->start();
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//Update cursor
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QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
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//Loop while thread is still running
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while(THREAD_RUNNING(thread))
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{
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loop->exec();
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}
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//Restore cursor
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QApplication::restoreOverrideCursor();
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//Set taskbar state
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m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
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m_taskbar->setOverlayIcon(NULL);
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//Free memory
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MUTILS_DELETE(loop);
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//Hide splash
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this->close();
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}
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void WorkingBanner::show(const QString &text, QEventLoop *loop)
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{
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//Show splash
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this->show(text);
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//Set taskbar state
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m_taskbar->setOverlayIcon(&QIcon(":/icons/hourglass.png"));
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m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_INTERMEDIATE);
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//Update cursor
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QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
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//Loop while thread is running
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loop->exec(QEventLoop::ExcludeUserInputEvents);
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//Restore cursor
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QApplication::restoreOverrideCursor();
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//Set taskbar state
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m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
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m_taskbar->setOverlayIcon(NULL);
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//Hide splash
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this->close();
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}
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bool WorkingBanner::close(void)
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{
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m_canClose = true;
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emit userAbort();
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return QDialog::close();
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}
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////////////////////////////////////////////////////////////
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// EVENTS
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////////////////////////////////////////////////////////////
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void WorkingBanner::keyPressEvent(QKeyEvent *event)
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{
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if(event->key() == Qt::Key_Escape)
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{
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qDebug("QT::KEY_ESCAPE pressed!");
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emit userAbort();
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}
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else if(event->key() == Qt::Key_M)
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{
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QTimer::singleShot(0, parent(), SLOT(showMinimized()));
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}
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QDialog::keyPressEvent(event);
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}
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void WorkingBanner::keyReleaseEvent(QKeyEvent *event)
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{
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QDialog::keyReleaseEvent(event);
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}
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void WorkingBanner::closeEvent(QCloseEvent *event)
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{
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if(!m_canClose) event->ignore();
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}
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void WorkingBanner::showEvent(QShowEvent *event)
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{
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QDialog::showEvent(event);
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if(!event->spontaneous())
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{
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if(m_working)
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{
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m_working->start();
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}
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}
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QTimer::singleShot(25, this, SLOT(windowShown()));
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}
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void WorkingBanner::hideEvent(QHideEvent *event)
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{
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QDialog::hideEvent(event);
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if(!event->spontaneous())
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{
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if(m_working)
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{
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m_working->stop();
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}
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}
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}
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////////////////////////////////////////////////////////////
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// SLOTS
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////////////////////////////////////////////////////////////
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void WorkingBanner::windowShown(void)
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{
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MUtils::GUI::bring_to_front(this);
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}
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void WorkingBanner::setText(const QString &text)
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{
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if(m_metrics.isNull())
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{
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m_metrics.reset(new QFontMetrics(ui->labelStatus->font()));
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}
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if(m_metrics->width(text) <= ui->labelStatus->width() - 16)
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{
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ui->labelStatus->setText(text);
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}
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else
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{
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QString choppedText = text.simplified().append("...");
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while((m_metrics->width(choppedText) > ui->labelStatus->width() - 16) && (choppedText.length() > 8))
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{
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choppedText.chop(4);
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choppedText = choppedText.trimmed();
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choppedText.append("...");
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}
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ui->labelStatus->setText(choppedText);
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}
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}
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void WorkingBanner::setProgressMax(unsigned int max)
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{
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ui->progressBar->setMaximum(max);
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if(ui->progressBar->maximum() > ui->progressBar->minimum())
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{
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m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_NONE);
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m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
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}
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else
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{
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m_taskbar->setTaskbarState(MUtils::Taskbar7::TASKBAR_STATE_INTERMEDIATE);
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}
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}
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void WorkingBanner::setProgressVal(unsigned int val)
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{
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ui->progressBar->setValue(val);
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if(ui->progressBar->maximum() > ui->progressBar->minimum())
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{
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m_taskbar->setTaskbarProgress(ui->progressBar->value(), ui->progressBar->maximum());
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}
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}
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////////////////////////////////////////////////////////////
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// Private
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////////////////////////////////////////////////////////////
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/*
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void WorkingBanner::updateProgress(void)
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{
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if(m_progressMax > 0)
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{
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int newProgress = qRound(qBound(0.0, static_cast<double>(m_progressVal) / static_cast<double>(m_progressMax), 1.0) * 100.0);
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if(m_progressInt != newProgress)
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{
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m_progressInt = newProgress;
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m_progress->setText(QString::number(m_progressInt));
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if(this->isVisible())
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{
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labelStatus->repaint();
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}
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}
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}
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}
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*/
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