From e216a2853d55398c68294f889615d125920676cf Mon Sep 17 00:00:00 2001
From: Brandon King <kingb@caltech.edu>
Date: Mon, 16 Nov 2009 18:37:49 -0800
Subject: [PATCH] Updated the QAssistant launching code for Qt 4.5 (At least on
 windows; needs testing on other platforms).

---
 qui/MussaWindow.cpp | 41 ++++++++++++++++++++++++++++++-----------
 qui/MussaWindow.hpp |  4 +++-
 2 files changed, 33 insertions(+), 12 deletions(-)

diff --git a/qui/MussaWindow.cpp b/qui/MussaWindow.cpp
index b0342e4..f302f8e 100644
--- a/qui/MussaWindow.cpp
+++ b/qui/MussaWindow.cpp
@@ -11,12 +11,15 @@
 #include <QFileDialog>
 #include <QHBoxLayout>
 #include <QIcon>
+#include <QLibraryInfo>
 #include <QMenuBar>
 #include <QMessageBox>
+#include <QProcess>
 #include <QScrollBar>
 #include <QStatusBar>
 #include <QString>
 #include <QStringList>
+#include <QTextStream>
 #include <QUrl>
 #include <QWhatsThis>
 
@@ -66,7 +69,7 @@ MussaWindow::MussaWindow(MussaRef analysis_, QWidget *parent) :
   saveBrowserPixmapAction(0),
   whatsThisAction(0),
   viewMussaAlignmentAction(0),
-  manualAssistant(0)
+  assistantProcess(0)
 {
   init_resources();
   
@@ -314,6 +317,7 @@ void MussaWindow::setupWidgets()
 void MussaWindow::setupAssistant()
 {
 #if defined(QT_QTASSISTANT_FOUND)
+  /*
   QStringList manualAssistantArgs;
   manualAssistantArgs = QStringList();
   manualAssistantArgs << "-profile" << "./doc/manual/mussagl_manual.adp";
@@ -321,6 +325,7 @@ void MussaWindow::setupAssistant()
   manualAssistant->setArguments(manualAssistantArgs);
   connect(manualAssistant, SIGNAL(error(QString)),
 	  this, SLOT(assistantError(QString)));
+  */
 #endif
 }
   
@@ -689,16 +694,31 @@ void MussaWindow::toggleMotifs()
 void MussaWindow::showManual()
 {
 #if defined(QT_QTASSISTANT_FOUND)
-  if (manualAssistant) { 
-    manualAssistant->openAssistant();
-  } else {
-    QMessageBox::warning(this,
-                         tr("Mussa Help Error"),
-                         tr("QtAssistant not setup correctly"),
-                         QMessageBox::Ok,
-                         QMessageBox::NoButton,
-                         QMessageBox::NoButton);
+  
+  // Only define the process once.
+  if (!assistantProcess)
+    assistantProcess = new QProcess(this);
+  
+  // No need to fire up the process again if it is already running.
+  if (assistantProcess->state() == QProcess::Running)
+    return;
+  
+  QString app = QLibraryInfo::location(QLibraryInfo::BinariesPath)
+      + QLatin1String("/assistant");
+
+  assistantProcess->start(app, QStringList() << QLatin1String("-enableRemoteControl")
+			    << QLatin1String("-collectionFile") << QLatin1String("mussagl_manual.qhc"));
+  if (!assistantProcess->waitForStarted()) {
+      QMessageBox::critical(this, tr("Remote Control"),
+	  tr("Could not start Qt Assistant from %1.").arg(app));
+      return;
   }
+
+  // show index page
+  QTextStream str(assistantProcess);
+  str << QLatin1String("SetSource qthelp://edu.caltech.woldlab.mussagl.1_0_0/doc/mussagl_manual.html")
+      << QLatin1Char('\0') << endl;
+
 #else
   QUrl manual_url("http://woldlab.caltech.edu/~king/mussagl_manual/");
   if (not QDesktopServices::openUrl(manual_url)) {
@@ -708,7 +728,6 @@ void MussaWindow::showManual()
                          QMessageBox::Ok,
                          QMessageBox::NoButton,
                          QMessageBox::NoButton);
-  }
 #endif //QT_QTASSISTANT_FOUND
 }
 
diff --git a/qui/MussaWindow.hpp b/qui/MussaWindow.hpp
index f02f091..bba3106 100644
--- a/qui/MussaWindow.hpp
+++ b/qui/MussaWindow.hpp
@@ -11,6 +11,7 @@
 #include <QProgressDialog>
 #include <QSpinBox>
 #include <QToolBar>
+#include <QProcess>
 
 #include "qui/MussaAlignedWindow.hpp"
 #include "qui/motif_editor/MotifEditor.hpp"
@@ -142,7 +143,8 @@ protected:
   QAction *whatsThisAction;
   QAction *viewMussaAlignmentAction;
 
-  QAssistantClient *manualAssistant;
+  //QAssistantClient *manualAssistant;
+  QProcess *assistantProcess;
 
   //! initialze the actions
   void setupActions();
-- 
2.30.2