Various enhancements into GRASS shell:

- Uses directly GRASS
- Starts with a minimum size of 80x25 characters


git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@11118 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/plugins/grass/qgsgrassshell.cpp

@@ -22,6 +22,7 @@
 #include "qgsgrasstools.h"
 #include "qtermwidget/qtermwidget.h"
 #include "qgsapplication.h"
+#include "qgsgrass.h"
 
 #include "qgsgrassshell.h"
 
@@ -31,27 +32,30 @@ extern "C"
 }
 
 QgsGrassShell::QgsGrassShell( QgsGrassTools *tools, QTabWidget *parent, const char *name )
-    : QFrame( parent )
+    : QFrame( parent ), mTools(tools), mTabWidget(parent)
 {
-  mTools = tools;
-  mTabWidget = parent;
-
   QVBoxLayout *mainLayout = new QVBoxLayout( this );
   QTermWidget *mTerminal = new QTermWidget( 0, this );
   initTerminal( mTerminal );
-  QPushButton *closeButton = new QPushButton( tr( "Close" ), this );
   QShortcut *pasteShortcut = new QShortcut( QKeySequence( tr( "Ctrl+Shift+V" ) ), mTerminal );
   QShortcut *copyShortcut = new QShortcut( QKeySequence( tr( "Ctrl+Shift+C" ) ), mTerminal );
 
   mainLayout->addWidget( mTerminal );
-  mainLayout->addWidget( closeButton );
   setLayout( mainLayout );
 
-  connect( closeButton, SIGNAL( clicked() ), this, SLOT( closeShell() ) );
   connect( mTerminal, SIGNAL( finished() ), this, SLOT( closeShell() ) );
   connect( pasteShortcut, SIGNAL( activated() ), mTerminal, SLOT( pasteClipboard() ) );
   connect( copyShortcut, SIGNAL( activated() ), mTerminal, SLOT( copyClipboard() ) );
 
+  // TODO: find a better way to manage the lockfile.
+  mLockFilename = QgsGrass::lockFileParh();
+  QFile::remove(mLockFilename + ".qgis");
+  if (!QFile::rename(mLockFilename, mLockFilename + ".qgis"))
+  {
+      QMessageBox::warning(this, tr("Warning"), tr("Cannot rename the lock file %1").arg(mLockFilename));
+  }
+
+  mTerminal->setSize(80, 25);
   mTerminal->startShellProgram();
   mTerminal->setFocus( Qt::MouseFocusReason );
 }
@@ -60,54 +64,34 @@ QgsGrassShell::~QgsGrassShell()
 {
 }
 
-
-/* TODO: Implement something that resizes the terminal without
- *       crashes.
-void QgsGrassShell::resizeTerminal()
-{
-    //mTerminal->setSize(80, 25);
-    //mTerminal->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
-}
-*/
-
 void QgsGrassShell::closeShell()
 {
   int index = mTabWidget->indexOf( this );
   mTabWidget->removeTab( index );
-  delete this;
-}
 
-void QgsGrassShell::initTerminal( QTermWidget *terminal )
-{
-  QStringList args( "" );
-  QStringList env( "" );
-  // Set the shell program
-  QString shell = ::getenv( "SHELL" );
-  if ( shell.isEmpty() || shell.isNull() )
+  // TODO: find a better way to manage the lockfile.
+  if(!QFile::rename(mLockFilename + ".qgis", mLockFilename))
   {
-    // if the shell isn't specified use the default one (/bin/bash)
-    terminal->setShellProgram( shell );
+    QMessageBox::warning(this, tr("Warning"), tr("Cannot rename the lock file %1").arg(mLockFilename));
   }
 
-  // Set shell program arguments
-  QFileInfo shellInfo( shell );
-  if ( shellInfo.fileName() == "bash" || shellInfo.fileName() == "sh" )
-  {
-    args << "--norc";
-  }
-  else if ( shellInfo.fileName() == "tcsh" || shellInfo.fileName() == "csh" )
-  {
-    args << "-f";
-  }
-  terminal->setArgs( args );
+  this->deleteLater();
+}
 
-  // Set shell program enviroment variables
-  env << "GRASS_MESSAGE_FORMAT=";
-  env << "GRASS_UI_TERM=1";
-  env << "GISRC_MODE_MEMORY";
-  env << "PS1=GRASS > ";
+void QgsGrassShell::initTerminal( QTermWidget *terminal )
+{
+  QStringList env("");
+  QStringList args("");
+
+  terminal->setShellProgram("/usr/bin/grass64");
   env << "TERM=vt100";
-  terminal->setEnvironment( env );
+  env << "GISRC_MODE_MEMORY";
+
+  args << "-text";
+  args << QString("%1/%2/%3").arg(QgsGrass::getDefaultGisdbase()).arg(QgsGrass::getDefaultLocation()).arg(QgsGrass::getDefaultMapset());
+
+  terminal->setArgs(args);
+  terminal->setEnvironment(env);
 
   // Look & Feel
   terminal->setScrollBarPosition( QTermWidget::ScrollBarRight );

src/plugins/grass/qgsgrassshell.h

@@ -27,12 +27,6 @@ class QgsGrassShell : public QFrame
     QgsGrassShell( QgsGrassTools *tools, QTabWidget *parent = 0, const char *name = 0 );
     virtual ~QgsGrassShell();
 
-    /* TODO: Implement something that resizes the terminal without
-     *       crashes.
-    public slots:
-        void resizeTerminal();
-    */
-
   private slots:
     void closeShell();
 
@@ -42,4 +36,5 @@ class QgsGrassShell : public QFrame
     QTermWidget *mTerminal;
     QgsGrassTools *mTools;
     QTabWidget *mTabWidget;
+    QString mLockFilename;
 };

src/plugins/grass/qgsgrasstools.cpp

@@ -150,25 +150,6 @@ void QgsGrassTools::runModule( QString name )
   QWidget *m;
   if ( name == "shell" )
   {
-    // Set history file
-    QString mapsetPath = QgsGrass::getDefaultGisdbase() + "/"
-                         + QgsGrass::getDefaultLocation() + "/"
-                         + QgsGrass::getDefaultMapset();
-
-    // bash
-    QString hist = "HISTFILE=" + mapsetPath + "/.bash_history";
-    char *histChar = new char[hist.length()+1];
-    strcpy( histChar, hist.toAscii().constData() );
-    putenv( histChar );
-
-    // csh/tcsh
-#ifndef WIN32
-    hist = "histfile=" + mapsetPath + "/.history";
-    histChar = new char[hist.length()+1];
-    strcpy( histChar, hist.toAscii().constData() );
-    putenv( histChar );
-#endif
-
 #ifdef WIN32
     if ( !QProcess::startDetached( getenv( "COMSPEC" ) ) )
     {

src/plugins/grass/qtermwidget/qtermwidget.cpp

@@ -259,6 +259,16 @@ void QTermWidget::setFlowControlWarningEnabled(bool enabled)
     }
 }
 
+QSize QTermWidget::minimumSizeHint() const
+{
+    return m_impl->m_terminalDisplay->sizeHint();
+}
+
+QSize QTermWidget::sizeHint() const
+{
+    return m_impl->m_terminalDisplay->sizeHint();
+}
+
 void QTermWidget::setEnvironment(const QStringList& environment)
 {
     m_impl->m_session->setEnvironment(environment);

src/plugins/grass/qtermwidget/qtermwidget.h

@@ -106,6 +106,9 @@ class QTermWidget : public QWidget
      */
     void setFlowControlWarningEnabled(bool enabled);
 
+    QSize minimumSizeHint() const;
+    QSize sizeHint() const;
+
 signals:
     void finished();
     void receivedData(const QString &data);

src/providers/grass/qgsgrass.cpp

@@ -1081,3 +1081,8 @@ bool GRASS_EXPORT QgsGrass::isMapset( QString path )
 
   return false;
 }
+
+QString GRASS_EXPORT QgsGrass::lockFileParh()
+{
+    return mMapsetLock;
+}

src/providers/grass/qgsgrass.h

@@ -151,6 +151,9 @@ class QgsGrass
     // ! test if the directory is mapset
     static GRASS_EXPORT bool isMapset( QString path );
 
+    // ! Get the lock file
+    static GRASS_EXPORT QString lockFileParh();
+
     //! Library version
     static GRASS_EXPORT int versionMajor();
     static GRASS_EXPORT int versionMinor();