src/win_help.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2013 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 "global.h"
  24
  25 #include <QProcess>
  26 #include <QScrollBar>
  27 #include <QTimer>
  28
  29 #define AVS2_BINARY(BIN_DIR, IS_X64) QString("%1/%2/avs2yuv_%2.exe").arg((BIN_DIR), ((IS_X64) ? "x64" : "x86"))
  30 #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"))
  31
  32 ///////////////////////////////////////////////////////////////////////////////
  33 // Constructor & Destructor
  34 ///////////////////////////////////////////////////////////////////////////////
  35
  36 HelpDialog::HelpDialog(QWidget *parent, bool avs2yuv, bool x64supported, bool use10BitEncoding)
  37 :
  38         QDialog(parent),
  39         m_appDir(QApplication::applicationDirPath() + "/toolset"),
  40         m_avs2yuv(avs2yuv),
  41         m_x64supported(x64supported),
  42         m_use10BitEncoding(use10BitEncoding),
  43         m_process(new QProcess())
  44 {
  45         //Init the dialog, from the .ui file
  46         setupUi(this);
  47         setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
  48
  49         //Fix size
  50         setMinimumSize(size());
  51
  52         //Prepare process
  53         m_process->setReadChannelMode(QProcess::MergedChannels);
  54         m_process->setReadChannel(QProcess::StandardOutput);
  55         connect(m_process, SIGNAL(readyRead()), this, SLOT(readyRead()));
  56         connect(m_process, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(finished()));
  57
  58         m_startAgain = true;
  59 }
  60
  61 HelpDialog::~HelpDialog(void)
  62 {
  63         delete m_process;
  64 }
  65
  66 ///////////////////////////////////////////////////////////////////////////////
  67 // Events
  68 ///////////////////////////////////////////////////////////////////////////////
  69
  70 void HelpDialog::showEvent(QShowEvent *event)
  71 {
  72         logo_x264->setHidden(m_avs2yuv);
  73         logo_avisynth->setVisible(m_avs2yuv);
  74
  75         QDialog::showEvent(event);
  76
  77         m_startAgain = true;
  78
  79         if(!m_avs2yuv)
  80         {
  81                 m_process->start(X264_BINARY(m_appDir, m_use10BitEncoding, m_x64supported), QStringList() << "--version");
  82         }
  83         else
  84         {
  85                 m_process->start(AVS2_BINARY(m_appDir, m_x64supported), QStringList());
  86         }
  87
  88         if(!m_process->waitForStarted())
  89         {
  90                 plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
  91         }
  92 }
  93
  94 void HelpDialog::closeEvent(QCloseEvent *e)
  95 {
  96         if(m_process->state() != QProcess::NotRunning)
  97         {
  98                 e->ignore();
  99                 MessageBeep(MB_ICONWARNING);
 100                 return;
 101         }
 102
 103         QDialog::closeEvent(e);
 104 }
 105
 106 ///////////////////////////////////////////////////////////////////////////////
 107 // Slots
 108 ///////////////////////////////////////////////////////////////////////////////
 109
 110 void HelpDialog::readyRead(void)
 111 {
 112         while(m_process->canReadLine())
 113         {
 114                 QString line = QString::fromLatin1(m_process->readLine());
 115                 while(line.endsWith('\r') || line.endsWith('\n'))
 116                 {
 117                         line = line.left(line.length() - 1);
 118                 }
 119                 plainTextEdit->appendPlainText(line);
 120         }
 121 }
 122
 123 void HelpDialog::finished(void)
 124 {
 125         if(m_startAgain)
 126         {
 127                 m_startAgain = false;
 128                 if(!m_avs2yuv)
 129                 {
 130                         m_process->start(X264_BINARY(m_appDir, m_use10BitEncoding, m_x64supported), QStringList() << "--fullhelp");
 131                         plainTextEdit->appendPlainText("\n--------\n");
 132
 133                         if(!m_process->waitForStarted())
 134                         {
 135                                 plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
 136                         }
 137                 }
 138         }
 139         else
 140         {
 141                 plainTextEdit->verticalScrollBar()->setSliderPosition(0);
 142         }
 143 }