src/win_help.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2014 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
  27 #include <QProcess>
  28 #include <QScrollBar>
  29 #include <QTimer>
  30
  31 #define AVS2_BINARY(BIN_DIR, IS_X64) QString("%1/%2/avs2yuv_%2.exe").arg((BIN_DIR), ((IS_X64) ? "x64" : "x86"))
  32 #define X264_BINARY(BIN_DIR, IS_10BIT, IS_X64) QString("%1/%2/x264_%3_%2.exe").arg((BIN_DIR), ((IS_X64) ? "x64" : "x86"), ((IS_10BIT) ? "10bit" : "8bit"))
  33
  34 ///////////////////////////////////////////////////////////////////////////////
  35 // Constructor & Destructor
  36 ///////////////////////////////////////////////////////////////////////////////
  37
  38 HelpDialog::HelpDialog(QWidget *parent, bool avs2yuv, bool x64supported, bool use10BitEncoding)
  39 :
  40         QDialog(parent),
  41         m_appDir(QApplication::applicationDirPath() + "/toolset"),
  42         m_avs2yuv(avs2yuv),
  43         m_x64supported(x64supported),
  44         m_use10BitEncoding(use10BitEncoding),
  45         m_process(new QProcess()),
  46         ui(new Ui::HelpDialog())
  47 {
  48         //Init the dialog, from the .ui file
  49         ui->setupUi(this);
  50         setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
  51
  52         //Fix size
  53         setMinimumSize(size());
  54
  55         //Prepare process
  56         m_process->setReadChannelMode(QProcess::MergedChannels);
  57         m_process->setReadChannel(QProcess::StandardOutput);
  58         connect(m_process, SIGNAL(readyRead()), this, SLOT(readyRead()));
  59         connect(m_process, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(finished()));
  60
  61         m_startAgain = true;
  62 }
  63
  64 HelpDialog::~HelpDialog(void)
  65 {
  66         delete m_process;
  67         delete ui;
  68 }
  69
  70 ///////////////////////////////////////////////////////////////////////////////
  71 // Events
  72 ///////////////////////////////////////////////////////////////////////////////
  73
  74 void HelpDialog::showEvent(QShowEvent *event)
  75 {
  76         ui->logo_x264->setHidden(m_avs2yuv);
  77         ui->logo_avisynth->setVisible(m_avs2yuv);
  78
  79         QDialog::showEvent(event);
  80
  81         m_startAgain = true;
  82
  83         if(!m_avs2yuv)
  84         {
  85                 m_process->start(X264_BINARY(m_appDir, m_use10BitEncoding, m_x64supported), QStringList() << "--version");
  86         }
  87         else
  88         {
  89                 m_process->start(AVS2_BINARY(m_appDir, m_x64supported), QStringList());
  90         }
  91
  92         if(!m_process->waitForStarted())
  93         {
  94                 ui->plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
  95         }
  96 }
  97
  98 void HelpDialog::closeEvent(QCloseEvent *e)
  99 {
 100         if(m_process->state() != QProcess::NotRunning)
 101         {
 102                 e->ignore();
 103                 x264_beep(x264_beep_warning);
 104                 return;
 105         }
 106
 107         QDialog::closeEvent(e);
 108 }
 109
 110 ///////////////////////////////////////////////////////////////////////////////
 111 // Slots
 112 ///////////////////////////////////////////////////////////////////////////////
 113
 114 void HelpDialog::readyRead(void)
 115 {
 116         while(m_process->canReadLine())
 117         {
 118                 QString line = QString::fromLatin1(m_process->readLine());
 119                 while(line.endsWith('\r') || line.endsWith('\n'))
 120                 {
 121                         line = line.left(line.length() - 1);
 122                 }
 123                 ui->plainTextEdit->appendPlainText(line);
 124         }
 125 }
 126
 127 void HelpDialog::finished(void)
 128 {
 129         if(m_startAgain)
 130         {
 131                 m_startAgain = false;
 132                 if(!m_avs2yuv)
 133                 {
 134                         m_process->start(X264_BINARY(m_appDir, m_use10BitEncoding, m_x64supported), QStringList() << "--fullhelp");
 135                         ui->plainTextEdit->appendPlainText("\n--------\n");
 136
 137                         if(!m_process->waitForStarted())
 138                         {
 139                                 ui->plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
 140                         }
 141                 }
 142         }
 143         else
 144         {
 145                 ui->plainTextEdit->verticalScrollBar()->setSliderPosition(0);
 146         }
 147 }