# HG changeset patch
# User Jacob Dawid <jacob.dawid@googlemail.com>
# Date 1338311285 -7200
# Node ID 7623bece76df9e48296c38fb99c645424d341005
# Parent  0bab96aeb9951a266deb3709cd040136a92aa716
Implemented logic for current directory bar.

* MainWindow: Changed current working directory line edit to combo box. Added various signals and slots.
* OctaveLink: Added signal that will be emitted whenever a current directory change occurs.

diff -r 0bab96aeb995 -r 7623bece76df gui/src/MainWindow.cpp
--- a/gui/src/MainWindow.cpp	Tue May 29 14:31:21 2012 +0200
+++ b/gui/src/MainWindow.cpp	Tue May 29 19:08:05 2012 +0200
@@ -131,7 +131,6 @@
   // Set terminal font:
   QSettings *settings = ResourceManager::instance ()->settings ();
   QFont font = QFont();
-  //font.setStyleHint(QFont::TypeWriter);
   font.setFamily(settings->value("terminal/fontName").toString());
   font.setPointSize(settings->value("terminal/fontSize").toInt ());
   m_terminal->setTerminalFont(font);
@@ -144,6 +143,54 @@
 }
 
 void
+MainWindow::resetWindows ()
+{
+  // TODO: Implement.
+}
+
+void
+MainWindow::updateCurrentWorkingDirectory (QString directory)
+{
+  if(m_currentDirectoryComboBox->findText (directory) < 0)
+    {
+      if (m_currentDirectoryComboBox->count () > 31)
+        {
+          m_currentDirectoryComboBox->removeItem (0);
+        }
+      m_currentDirectoryComboBox->addItem (directory);
+      int index = m_currentDirectoryComboBox->findText (directory);
+      m_currentDirectoryComboBox->setCurrentIndex (index);
+    }
+}
+
+void
+MainWindow::changeCurrentWorkingDirectory ()
+{
+  QString selectedDirectory =
+      QFileDialog::getExistingDirectory(this, tr ("Set working direcotry"));
+
+  if (!selectedDirectory.isEmpty ())
+    {
+      m_terminal->sendText (QString ("cd \'%1\'\n").arg (selectedDirectory));
+      m_terminal->setFocus ();
+    }
+}
+
+void
+MainWindow::changeCurrentWorkingDirectory (QString directory)
+{
+  m_terminal->sendText (QString ("cd \'%1\'\n").arg (directory));
+  m_terminal->setFocus ();
+}
+
+void
+MainWindow::currentWorkingDirectoryUp ()
+{
+  m_terminal->sendText ("cd ..\n");
+  m_terminal->setFocus ();
+}
+
+void
 MainWindow::showAboutOctave ()
 {
   QString message =
@@ -213,8 +260,11 @@
   m_filesDockWidget->setStatusTip (tr ("Browse your files."));
   m_statusBar = new QStatusBar (this);
 
-  m_currentDirectoryLineEdit = new QLineEdit (QDir::currentPath (), this);
-  m_currentDirectoryLineEdit->setFixedWidth (300);
+  m_currentDirectoryComboBox = new QComboBox (this);
+  m_currentDirectoryComboBox->setFixedWidth (300);
+  m_currentDirectoryComboBox->setEditable (true);
+  m_currentDirectoryComboBox->setInsertPolicy (QComboBox::InsertAtTop);
+  m_currentDirectoryComboBox->setMaxVisibleItems (14);
 
   m_currentDirectoryToolButton = new QToolButton (this);
   m_currentDirectoryToolButton->setIcon (style->standardIcon (QStyle::SP_DirOpenIcon));
@@ -223,7 +273,7 @@
   m_currentDirectoryUpToolButton->setIcon (style->standardIcon (QStyle::SP_FileDialogToParent));
 
   // Octave Terminal subwindow.
-  m_terminal = new QTerminal(this);
+  m_terminal = new QTerminal (this);
   m_terminal->setObjectName ("OctaveTerminal");
   m_terminalDockWidget = new TerminalDockWidget (m_terminal, this);
 
@@ -296,6 +346,9 @@
   QAction *showEditorAction = windowMenu->addAction (tr ("Editor"));
   showEditorAction->setCheckable (true);
 
+  windowMenu->addSeparator ();
+  QAction *resetWindowsAction = windowMenu->addAction (tr ("Reset Windows"));
+
   // Help menu
   QMenu *helpMenu = menuBar ()->addMenu (tr ("&Help"));
   QAction *reportBugAction = helpMenu->addAction (tr ("Report Bug"));
@@ -316,7 +369,7 @@
   mainToolBar->addAction (redoAction);
   mainToolBar->addSeparator ();
   mainToolBar->addWidget (new QLabel (tr ("Current Directory:")));
-  mainToolBar->addWidget (m_currentDirectoryLineEdit);
+  mainToolBar->addWidget (m_currentDirectoryComboBox);
   mainToolBar->addWidget (m_currentDirectoryToolButton);
   mainToolBar->addWidget (m_currentDirectoryUpToolButton);
 
@@ -341,7 +394,7 @@
   connect (m_filesDockWidget, SIGNAL (activeChanged (bool)), showFileBrowserAction, SLOT (setChecked (bool)));
   connect (showEditorAction, SIGNAL (toggled (bool)), m_fileEditor, SLOT (setShown (bool)));
   connect (m_fileEditor, SIGNAL (activeChanged (bool)), showEditorAction, SLOT (setChecked (bool)));
-
+  connect (resetWindowsAction, SIGNAL (triggered ()), this, SLOT (resetWindows ()));
   //connect (this, SIGNAL (settingsChanged ()), m_workspaceView, SLOT (noticeSettings ()));
   //connect (this, SIGNAL (settingsChanged ()), m_historyDockWidget, SLOT (noticeSettings ()));
   connect (this, SIGNAL (settingsChanged ()), m_filesDockWidget, SLOT (noticeSettings ()));
@@ -354,8 +407,18 @@
   connect (loadWorkspaceAction, SIGNAL (triggered ()), this, SLOT (handleLoadWorkspaceRequest ()));
   connect (clearWorkspaceAction, SIGNAL (triggered ()), this, SLOT (handleClearWorkspaceRequest ()));
 
+  connect (m_currentDirectoryToolButton, SIGNAL (clicked ()),
+           this, SLOT (changeCurrentWorkingDirectory ()));
+  connect (m_currentDirectoryUpToolButton, SIGNAL (clicked ()),
+           this, SLOT(currentWorkingDirectoryUp()));
   connect (copyAction, SIGNAL (triggered()), m_terminal, SLOT(copyClipboard ()));
   connect (pasteAction, SIGNAL (triggered()), m_terminal, SLOT(pasteClipboard ()));
+
+  connect (OctaveLink::instance (), SIGNAL (workingDirectoryChanged (QString)),
+           this, SLOT (updateCurrentWorkingDirectory (QString)));
+  connect (m_currentDirectoryComboBox, SIGNAL (activated (QString)),
+           this, SLOT (changeCurrentWorkingDirectory (QString)));
+
   setWindowTitle ("Octave");
 
   setDockOptions(QMainWindow::AnimatedDocks | QMainWindow::AllowNestedDocks | QMainWindow::AllowTabbedDocks);
diff -r 0bab96aeb995 -r 7623bece76df gui/src/MainWindow.h
--- a/gui/src/MainWindow.h	Tue May 29 14:31:21 2012 +0200
+++ b/gui/src/MainWindow.h	Tue May 29 19:08:05 2012 +0200
@@ -29,6 +29,7 @@
 #include <QMdiSubWindow>
 #include <QCloseEvent>
 #include <QToolButton>
+#include <QComboBox>
 
 // Editor includes
 #include "FileEditorInterface.h"
@@ -91,6 +92,11 @@
   void showAboutOctave ();
   void noticeSettings ();
   void prepareForQuit ();
+  void resetWindows ();
+  void updateCurrentWorkingDirectory (QString directory);
+  void changeCurrentWorkingDirectory ();
+  void changeCurrentWorkingDirectory (QString directory);
+  void currentWorkingDirectoryUp ();
 
 protected:
   void closeEvent (QCloseEvent * closeEvent);
@@ -113,7 +119,7 @@
   // Toolbars.
   QStatusBar *m_statusBar;
 
-  QLineEdit *m_currentDirectoryLineEdit;
+  QComboBox *m_currentDirectoryComboBox;
   QToolButton *m_currentDirectoryToolButton;
   QToolButton *m_currentDirectoryUpToolButton;
 
diff -r 0bab96aeb995 -r 7623bece76df gui/src/backend/OctaveLink.cpp
--- a/gui/src/backend/OctaveLink.cpp	Tue May 29 14:31:21 2012 +0200
+++ b/gui/src/backend/OctaveLink.cpp	Tue May 29 19:08:05 2012 +0200
@@ -17,6 +17,7 @@
 
 #include "OctaveLink.h"
 #include "load-path.h"
+#include "oct-env.h"
 #include <QDir>
 #include <QApplication>
 
@@ -24,7 +25,7 @@
 {
   OctaveLink::instance ()->triggerUpdateHistoryModel ();
   OctaveLink::instance ()->buildSymbolInformation ();
-  QDir::setCurrent (load_path::get_command_line_path ().c_str ());
+  OctaveLink::instance ()->updateCurrentWorkingDirectory ();
   return 0;
 }
 
@@ -52,6 +53,7 @@
     m_workspaceModel, SLOT (updateFromSymbolTable ()));
 
   _symbolInformationSemaphore = new QSemaphore (1);
+  _currentWorkingDirectory = "";
 }
 
 OctaveLink::~OctaveLink ()
@@ -96,6 +98,18 @@
 }
 
 void
+OctaveLink::updateCurrentWorkingDirectory ()
+{
+  QString _queriedWorkingDirectory = octave_env::get_current_directory ().c_str();
+  if (_currentWorkingDirectory != _queriedWorkingDirectory)
+    {
+      _currentWorkingDirectory = _queriedWorkingDirectory;
+      QDir::setCurrent (_currentWorkingDirectory);
+      emit workingDirectoryChanged (_currentWorkingDirectory);
+    }
+}
+
+void
 OctaveLink::acquireSymbolInformation ()
 {
   _symbolInformationSemaphore->acquire (1);
diff -r 0bab96aeb995 -r 7623bece76df gui/src/backend/OctaveLink.h
--- a/gui/src/backend/OctaveLink.h	Tue May 29 14:31:21 2012 +0200
+++ b/gui/src/backend/OctaveLink.h	Tue May 29 19:08:05 2012 +0200
@@ -97,12 +97,16 @@
   WorkspaceModel *workspaceModel ();
 
   void triggerUpdateHistoryModel ();
+  void updateCurrentWorkingDirectory ();
 
   void acquireSymbolInformation ();
   void releaseSymbolInformation ();
   void buildSymbolInformation ();
   const QList <SymbolInformation>& symbolInformation () const;
 
+signals:
+  void workingDirectoryChanged (QString directory);
+
 private:
   OctaveLink ();
   ~OctaveLink ();
@@ -117,6 +121,7 @@
   QSemaphore *_symbolInformationSemaphore;
   QList <SymbolInformation> _symbolInformation;
 
+  QString _currentWorkingDirectory;
   static OctaveLink m_singleton;
 };
 #endif // OCTAVELINK_H
diff -r 0bab96aeb995 -r 7623bece76df gui/src/backend/OctaveMainThread.cpp
--- a/gui/src/backend/OctaveMainThread.cpp	Tue May 29 14:31:21 2012 +0200
+++ b/gui/src/backend/OctaveMainThread.cpp	Tue May 29 19:08:05 2012 +0200
@@ -27,7 +27,7 @@
 {
   setlocale(LC_ALL, "en_US.UTF-8");
   int argc = 1;
-  const char *argv[] = { "octave" };
+  const char *argv[] = { "" };
   emit ready();
   octave_main (argc, (char **) argv, 0);
 }