src/win_help.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2015 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "win_help.h"
  23 #include "UIC_win_help.h"
  24
  25 //Internal
  26 #include "global.h"
  27 #include "model_options.h"
  28 #include "binaries.h"
  29
  30 //MUtils
  31 #include <MUtils/Sound.h>
  32
  33 //Qt
  34 #include <QProcess>
  35 #include <QScrollBar>
  36 #include <QTimer>
  37
  38 ///////////////////////////////////////////////////////////////////////////////
  39 // Constructor & Destructor
  40 ///////////////////////////////////////////////////////////////////////////////
  41
  42 HelpDialog::HelpDialog(QWidget *parent, bool avs2yuv, const SysinfoModel *const sysinfo, const OptionsModel *const options, const PreferencesModel *const preferences)
  43 :
  44         QDialog(parent),
  45         m_avs2yuv(avs2yuv),
  46         m_sysinfo(sysinfo),
  47         m_preferences(preferences),
  48         m_options(options),
  49         m_process(new QProcess()),
  50         ui(new Ui::HelpDialog())
  51 {
  52         //Init the dialog, from the .ui file
  53         ui->setupUi(this);
  54         setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
  55
  56         //Fix size
  57         setMinimumSize(size());
  58
  59         //Prepare process
  60         m_process->setReadChannelMode(QProcess::MergedChannels);
  61         m_process->setReadChannel(QProcess::StandardOutput);
  62         connect(m_process, SIGNAL(readyRead()), this, SLOT(readyRead()));
  63         connect(m_process, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(finished()));
  64
  65         m_startAgain = true;
  66 }
  67
  68 HelpDialog::~HelpDialog(void)
  69 {
  70         delete m_process;
  71         delete ui;
  72 }
  73
  74 ///////////////////////////////////////////////////////////////////////////////
  75 // Events
  76 ///////////////////////////////////////////////////////////////////////////////
  77
  78 void HelpDialog::showEvent(QShowEvent *event)
  79 {
  80         ui->logo_x264->setHidden(m_avs2yuv);
  81         ui->logo_avisynth->setVisible(m_avs2yuv);
  82
  83         QDialog::showEvent(event);
  84
  85         m_startAgain = true;
  86
  87         if(!m_avs2yuv)
  88         {
  89                 m_process->start(ENC_BINARY(m_sysinfo, m_options), QStringList() << "--version");
  90         }
  91         else
  92         {
  93                 m_process->start(AVS_BINARY(m_sysinfo, m_preferences), QStringList());
  94         }
  95
  96         if(!m_process->waitForStarted())
  97         {
  98                 ui->plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
  99         }
 100 }
 101
 102 void HelpDialog::closeEvent(QCloseEvent *e)
 103 {
 104         if(m_process->state() != QProcess::NotRunning)
 105         {
 106                 e->ignore();
 107                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 108                 return;
 109         }
 110
 111         QDialog::closeEvent(e);
 112 }
 113
 114 ///////////////////////////////////////////////////////////////////////////////
 115 // Slots
 116 ///////////////////////////////////////////////////////////////////////////////
 117
 118 void HelpDialog::readyRead(void)
 119 {
 120         while(m_process->canReadLine())
 121         {
 122                 QString line = QString::fromLatin1(m_process->readLine());
 123                 while(line.endsWith('\r') || line.endsWith('\n'))
 124                 {
 125                         line = line.left(line.length() - 1);
 126                 }
 127                 ui->plainTextEdit->appendPlainText(line);
 128         }
 129 }
 130
 131 void HelpDialog::finished(void)
 132 {
 133         if(m_startAgain)
 134         {
 135                 m_startAgain = false;
 136                 if(!m_avs2yuv)
 137                 {
 138                         m_process->start(ENC_BINARY(m_sysinfo, m_options), QStringList() << "--fullhelp");
 139                         ui->plainTextEdit->appendPlainText("\n--------\n");
 140
 141                         if(!m_process->waitForStarted())
 142                         {
 143                                 ui->plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
 144                         }
 145                 }
 146         }
 147         else
 148         {
 149                 ui->plainTextEdit->verticalScrollBar()->setSliderPosition(0);
 150         }
 151 }