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 #include "global.h"
  26 #include "model_options.h"
  27 #include "binaries.h"
  28
  29 #include <QProcess>
  30 #include <QScrollBar>
  31 #include <QTimer>
  32
  33 ///////////////////////////////////////////////////////////////////////////////
  34 // Constructor & Destructor
  35 ///////////////////////////////////////////////////////////////////////////////
  36
  37 HelpDialog::HelpDialog(QWidget *parent, bool avs2yuv, const SysinfoModel *const sysinfo, const OptionsModel *const options, const PreferencesModel *const preferences)
  38 :
  39         QDialog(parent),
  40         m_avs2yuv(avs2yuv),
  41         m_sysinfo(sysinfo),
  42         m_preferences(preferences),
  43         m_options(options),
  44         m_process(new QProcess()),
  45         ui(new Ui::HelpDialog())
  46 {
  47         //Init the dialog, from the .ui file
  48         ui->setupUi(this);
  49         setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
  50
  51         //Fix size
  52         setMinimumSize(size());
  53
  54         //Prepare process
  55         m_process->setReadChannelMode(QProcess::MergedChannels);
  56         m_process->setReadChannel(QProcess::StandardOutput);
  57         connect(m_process, SIGNAL(readyRead()), this, SLOT(readyRead()));
  58         connect(m_process, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(finished()));
  59
  60         m_startAgain = true;
  61 }
  62
  63 HelpDialog::~HelpDialog(void)
  64 {
  65         delete m_process;
  66         delete ui;
  67 }
  68
  69 ///////////////////////////////////////////////////////////////////////////////
  70 // Events
  71 ///////////////////////////////////////////////////////////////////////////////
  72
  73 void HelpDialog::showEvent(QShowEvent *event)
  74 {
  75         ui->logo_x264->setHidden(m_avs2yuv);
  76         ui->logo_avisynth->setVisible(m_avs2yuv);
  77
  78         QDialog::showEvent(event);
  79
  80         m_startAgain = true;
  81
  82         if(!m_avs2yuv)
  83         {
  84                 m_process->start(ENC_BINARY(m_sysinfo, m_options), QStringList() << "--version");
  85         }
  86         else
  87         {
  88                 m_process->start(AVS_BINARY(m_sysinfo, m_preferences), QStringList());
  89         }
  90
  91         if(!m_process->waitForStarted())
  92         {
  93                 ui->plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
  94         }
  95 }
  96
  97 void HelpDialog::closeEvent(QCloseEvent *e)
  98 {
  99         if(m_process->state() != QProcess::NotRunning)
 100         {
 101                 e->ignore();
 102                 x264_beep(x264_beep_warning);
 103                 return;
 104         }
 105
 106         QDialog::closeEvent(e);
 107 }
 108
 109 ///////////////////////////////////////////////////////////////////////////////
 110 // Slots
 111 ///////////////////////////////////////////////////////////////////////////////
 112
 113 void HelpDialog::readyRead(void)
 114 {
 115         while(m_process->canReadLine())
 116         {
 117                 QString line = QString::fromLatin1(m_process->readLine());
 118                 while(line.endsWith('\r') || line.endsWith('\n'))
 119                 {
 120                         line = line.left(line.length() - 1);
 121                 }
 122                 ui->plainTextEdit->appendPlainText(line);
 123         }
 124 }
 125
 126 void HelpDialog::finished(void)
 127 {
 128         if(m_startAgain)
 129         {
 130                 m_startAgain = false;
 131                 if(!m_avs2yuv)
 132                 {
 133                         m_process->start(ENC_BINARY(m_sysinfo, m_options), QStringList() << "--fullhelp");
 134                         ui->plainTextEdit->appendPlainText("\n--------\n");
 135
 136                         if(!m_process->waitForStarted())
 137                         {
 138                                 ui->plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
 139                         }
 140                 }
 141         }
 142         else
 143         {
 144                 ui->plainTextEdit->verticalScrollBar()->setSliderPosition(0);
 145         }
 146 }