Added navigation toolbar

src/filebrowser.cpp

@@ -41,6 +41,16 @@ void FileBrowser::setFilter(const QStringList &filter)
 		reloadDirectory(_files.last().canonicalPath());
 }
 
+bool FileBrowser::isLast()
+{
+	return (_files.size() > 0 && _index == _files.size() - 1);
+}
+
+bool FileBrowser::isFirst()
+{
+	return (_files.size() > 0 && _index == 0);
+}
+
 QString FileBrowser::next()
 {
 	if (_index < 0 || _index == _files.size() - 1)
@@ -57,6 +67,24 @@ QString FileBrowser::prev()
 	return _files.at(--_index).absoluteFilePath();
 }
 
+QString FileBrowser::last()
+{
+	if (_files.empty())
+		return QString();
+
+	_index = _files.size() - 1;
+	return _files.last().absoluteFilePath();
+}
+
+QString FileBrowser::first()
+{
+	if (_files.empty())
+		return QString();
+
+	_index = 0;
+	return _files.first().absoluteFilePath();
+}
+
 void FileBrowser::reloadDirectory(const QString &path)
 {
 	QDir dir(path);

src/filebrowser.h

@@ -20,6 +20,11 @@ public:
 
 	QString next();
 	QString prev();
+	QString last();
+	QString first();
+
+	bool isLast();
+	bool isFirst();
 
 private slots:
 	void reloadDirectory(const QString &path);

src/gui.cpp

@@ -118,6 +118,8 @@ void GUI::createActions()
 	_fileActionGroup->setExclusive(false);
 	_fileActionGroup->setEnabled(false);
 
+	_navigationActionGroup = new QActionGroup(this);
+	_navigationActionGroup->setEnabled(false);
 
 	// General actions
 	_exitAction = new QAction(QIcon(QPixmap(QUIT_ICON)), tr("Quit"), this);
@@ -191,6 +193,22 @@ void GUI::createActions()
 	_showToolbarsAction->setChecked(true);
 	connect(_showToolbarsAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showToolbars(bool)));
+
+	// Navigation actions
+	_nextAction = new QAction(QIcon(QPixmap(NEXT_FILE_ICON)), tr("Next"), this);
+	_nextAction->setActionGroup(_navigationActionGroup);
+	connect(_nextAction, SIGNAL(triggered()), this, SLOT(next()));
+	_prevAction = new QAction(QIcon(QPixmap(PREV_FILE_ICON)), tr("Previous"),
+	  this);
+	_prevAction->setActionGroup(_navigationActionGroup);
+	connect(_prevAction, SIGNAL(triggered()), this, SLOT(prev()));
+	_lastAction = new QAction(QIcon(QPixmap(LAST_FILE_ICON)), tr("Last"), this);
+	_lastAction->setActionGroup(_navigationActionGroup);
+	connect(_lastAction, SIGNAL(triggered()), this, SLOT(last()));
+	_firstAction = new QAction(QIcon(QPixmap(FIRST_FILE_ICON)), tr("First"),
+	  this);
+	_firstAction->setActionGroup(_navigationActionGroup);
+	connect(_firstAction, SIGNAL(triggered()), this, SLOT(first()));
 }
 
 void GUI::createMenus()
@@ -247,6 +265,12 @@ void GUI::createToolBars()
 #ifdef Q_OS_MAC
 	_showToolBar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
 #endif // Q_OS_MAC
+
+	_navigationToolBar = addToolBar(tr("Navigation"));
+	_navigationToolBar->addAction(_firstAction);
+	_navigationToolBar->addAction(_prevAction);
+	_navigationToolBar->addAction(_nextAction);
+	_navigationToolBar->addAction(_lastAction);
 }
 
 void GUI::createTrackView()
@@ -314,8 +338,10 @@ void GUI::keys()
 	  QString("<div><table width=\"300\"><tr><td>") + tr("Next file")
 	  + QString("</td><td><i>SPACE</i></td></tr><tr><td>") + tr("Previous file")
 	  + QString("</td><td><i>BACKSPACE</i></td></tr><tr><td>")
-	  + tr("Append modifier") + QString("</td><td><i>SHIFT</i></td></tr>"
-	  "</table></div>"));
+	  + tr("First file") + QString("</td><td><i>HOME</i></td></tr><tr><td>")
+	  + tr("Last file") + QString("</td><td><i>END</i></td></tr><tr><td></td>"
+	  "<td></td></tr><tr><td>") + tr("Append modifier")
+	  + QString("</td><td><i>SHIFT</i></td></tr></table></div>"));
 
 	msgBox.exec();
 }
@@ -368,6 +394,8 @@ bool GUI::openFile(const QString &fileName)
 		_browser->setCurrent(fileName);
 		updateStatusBarInfo();
 		_fileActionGroup->setEnabled(true);
+		_navigationActionGroup->setEnabled(true);
+		updateNavigationActions();
 		return true;
 	} else
 		return false;
@@ -506,6 +534,7 @@ void GUI::closeFile()
 	_files.clear();
 
 	_fileActionGroup->setEnabled(false);
+	_navigationActionGroup->setEnabled(false);
 	updateStatusBarInfo();
 }
 
@@ -537,9 +566,11 @@ void GUI::showToolbars(bool checked)
 		addToolBar(_showToolBar);
 		_fileToolBar->show();
 		_showToolBar->show();
+		_navigationToolBar->show();
 	} else {
 		removeToolBar(_fileToolBar);
 		removeToolBar(_showToolBar);
+		removeToolBar(_navigationToolBar);
 	}
 }
 
@@ -578,18 +609,97 @@ void GUI::graphChanged(int index)
 		_speedGraph->setSliderPosition(_elevationGraph->sliderPosition());
 }
 
+void GUI::updateNavigationActions()
+{
+	if (_browser->isLast()) {
+		_nextAction->setEnabled(false);
+		_lastAction->setEnabled(false);
+	} else {
+		_nextAction->setEnabled(true);
+		_lastAction->setEnabled(true);
+	}
+
+	if (_browser->isFirst()) {
+		_prevAction->setEnabled(false);
+		_firstAction->setEnabled(false);
+	} else {
+		_prevAction->setEnabled(true);
+		_firstAction->setEnabled(true);
+	}
+}
+
+void GUI::next()
+{
+	QString file = _browser->next();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+
+	updateNavigationActions();
+}
+
+void GUI::prev()
+{
+	QString file = _browser->prev();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+
+	updateNavigationActions();
+}
+
+void GUI::last()
+{
+	QString file = _browser->last();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+
+	updateNavigationActions();
+}
+
+void GUI::first()
+{
+	QString file = _browser->first();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+
+	updateNavigationActions();
+}
+
 void GUI::keyPressEvent(QKeyEvent *event)
 {
 	QString file;
 
-	if (event->key() == PREV_KEY)
-		file = _browser->prev();
-	if (event->key() == NEXT_KEY)
-		file = _browser->next();
+	switch (event->key()) {
+		case PREV_KEY:
+			file = _browser->prev();
+			break;
+		case NEXT_KEY:
+			file = _browser->next();
+			break;
+		case FIRST_KEY:
+			file = _browser->first();
+			break;
+		case LAST_KEY:
+			file = _browser->last();
+			break;
+	}
 
 	if (!file.isNull()) {
 		if (!(event->modifiers() & MODIFIER))
 			closeFile();
 		openFile(file);
 	}
+
+	updateNavigationActions();
 }

src/gui.h

@@ -45,6 +45,11 @@ private slots:
 	void mapChanged(int);
 	void graphChanged(int);
 
+	void next();
+	void prev();
+	void last();
+	void first();
+
 private:
 	void loadFiles();
 
@@ -59,6 +64,7 @@ private:
 	bool loadFile(const QString &fileName);
 	void saveFile(const QString &fileName);
 	void updateStatusBarInfo();
+	void updateNavigationActions();
 
 	void keyPressEvent(QKeyEvent * event);
 
@@ -70,8 +76,10 @@ private:
 
 	QToolBar *_fileToolBar;
 	QToolBar *_showToolBar;
+	QToolBar *_navigationToolBar;
 	QTabWidget *_trackGraphs;
 	QActionGroup *_fileActionGroup;
+	QActionGroup *_navigationActionGroup;
 
 	QAction *_exitAction;
 	QAction *_keysAction;
@@ -88,6 +96,10 @@ private:
 	QAction *_showMapAction;
 	QAction *_showGraphsAction;
 	QAction *_showToolbarsAction;
+	QAction *_nextAction;
+	QAction *_prevAction;
+	QAction *_lastAction;
+	QAction *_firstAction;
 	QList<QAction*> _mapActions;
 
 	QLabel *_fileNameLabel;

src/icons.h

@@ -12,6 +12,10 @@
 #define SHOW_MAP_ICON    ":/icons/applications-internet.png"
 #define QUIT_ICON        ":/icons/application-exit.png"
 #define RELOAD_FILE_ICON ":/icons/view-refresh.png"
+#define NEXT_FILE_ICON   ":/icons/arrow-right.png"
+#define PREV_FILE_ICON   ":/icons/arrow-left.png"
+#define LAST_FILE_ICON   ":/icons/arrow-right-double.png"
+#define FIRST_FILE_ICON  ":/icons/arrow-left-double.png"
 
 #if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
 #define QT_ICON          ":/trolltech/qmessagebox/images/qtlogo-64.png"

src/keys.h

@@ -3,6 +3,8 @@
 
 #define NEXT_KEY         Qt::Key_Space
 #define PREV_KEY         Qt::Key_Backspace
+#define FIRST_KEY        Qt::Key_Home
+#define LAST_KEY         Qt::Key_End
 #define MODIFIER         Qt::ShiftModifier
 
 #endif // KEYS_H