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 X264_BINARY(BIN_DIR, IS_10BIT, IS_X64) QString("%1/x264_%2_%3.exe").arg((BIN_DIR), ((IS_10BIT) ? "10bit" : "8bit"), ((IS_X64) ? "x64" : "x86"))
  30
  31 ///////////////////////////////////////////////////////////////////////////////
  32 // Constructor & Destructor
  33 ///////////////////////////////////////////////////////////////////////////////
  34
  35 HelpDialog::HelpDialog(QWidget *parent, bool avs2yuv, bool x64supported, bool use10BitEncoding)
  36 :
  37         QDialog(parent),
  38         m_appDir(QApplication::applicationDirPath() + "/toolset"),
  39         m_avs2yuv(avs2yuv),
  40         m_x64supported(x64supported),
  41         m_use10BitEncoding(use10BitEncoding),
  42         m_process(new QProcess())
  43 {
  44         //Init the dialog, from the .ui file
  45         setupUi(this);
  46         setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
  47
  48         //Fix size
  49         setMinimumSize(size());
  50
  51         //Prepare process
  52         m_process->setReadChannelMode(QProcess::MergedChannels);
  53         m_process->setReadChannel(QProcess::StandardOutput);
  54         connect(m_process, SIGNAL(readyRead()), this, SLOT(readyRead()));
  55         connect(m_process, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(finished()));
  56
  57         m_startAgain = true;
  58 }
  59
  60 HelpDialog::~HelpDialog(void)
  61 {
  62         delete m_process;
  63 }
  64
  65 ///////////////////////////////////////////////////////////////////////////////
  66 // Events
  67 ///////////////////////////////////////////////////////////////////////////////
  68
  69 void HelpDialog::showEvent(QShowEvent *event)
  70 {
  71         logo_x264->setHidden(m_avs2yuv);
  72         logo_avisynth->setVisible(m_avs2yuv);
  73
  74         QDialog::showEvent(event);
  75
  76         m_startAgain = true;
  77
  78         if(!m_avs2yuv)
  79         {
  80                 m_process->start(X264_BINARY(m_appDir, m_use10BitEncoding, m_x64supported), QStringList() << "--version");
  81         }
  82         else
  83         {
  84                 m_process->start(QString("%1/%2.exe").arg(m_appDir, m_x64supported ? "avs2yuv_x64" : "avs2yuv_x86"), QStringList());
  85         }
  86
  87         if(!m_process->waitForStarted())
  88         {
  89                 plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
  90         }
  91 }
  92
  93 void HelpDialog::closeEvent(QCloseEvent *e)
  94 {
  95         if(m_process->state() != QProcess::NotRunning)
  96         {
  97                 e->ignore();
  98                 MessageBeep(MB_ICONWARNING);
  99                 return;
 100         }
 101
 102         QDialog::closeEvent(e);
 103 }
 104
 105 ///////////////////////////////////////////////////////////////////////////////
 106 // Slots
 107 ///////////////////////////////////////////////////////////////////////////////
 108
 109 void HelpDialog::readyRead(void)
 110 {
 111         while(m_process->canReadLine())
 112         {
 113                 QString line = QString::fromLatin1(m_process->readLine());
 114                 while(line.endsWith('\r') || line.endsWith('\n'))
 115                 {
 116                         line = line.left(line.length() - 1);
 117                 }
 118                 plainTextEdit->appendPlainText(line);
 119         }
 120 }
 121
 122 void HelpDialog::finished(void)
 123 {
 124         if(m_startAgain)
 125         {
 126                 m_startAgain = false;
 127                 if(!m_avs2yuv)
 128                 {
 129                         m_process->start(X264_BINARY(m_appDir, m_use10BitEncoding, m_x64supported), QStringList() << "--fullhelp");
 130                         plainTextEdit->appendPlainText("\n--------\n");
 131
 132                         if(!m_process->waitForStarted())
 133                         {
 134                                 plainTextEdit->appendPlainText(tr("Failed to create x264 process :-("));
 135                         }
 136                 }
 137         }
 138         else
 139         {
 140                 plainTextEdit->verticalScrollBar()->setSliderPosition(0);
 141         }
 142 }