new abstract class agui for common gui functions, new console class for debug console

4 files changed, 234 insertions, 0 deletions

diff --git a/src/fbgui/agui.cpp b/src/fbgui/agui.cpp
new file mode 100644
index 0000000..7759800
--- /dev/null
+++ b/src/fbgui/agui.cpp
@@ -0,0 +1,88 @@
+/*
+ * agui.cpp
+ *
+ *  Created on: Jan 31, 2012
+ *      Author: joe
+ */
+
+#include "agui.h"
+#include "console.h"
+
+#include <log4cxx/logger.h>
+#include "qlog4cxx.h"
+
+using namespace log4cxx;
+using namespace log4cxx::helpers;
+LoggerPtr aguiCoreLogger(Logger::getLogger("agui.core"));
+
+QString logFilePath("");
+int debugMode = -1;
+
+agui::agui() {
+	setupLayout();
+	createActions();
+
+	setAttribute(Qt::WA_QuitOnClose, true);
+	setWindowFlags(Qt::FramelessWindowHint);
+}
+
+agui::~agui() {
+}
+
+/**
+ * @brief This method sets the used Layout.
+ *
+ * This method sets the used Layout. Possible layout are:
+ *  - browser mode: only the browser is visible
+ *  - debug mode: the screen is divided into the browser and a debug
+ *      out console
+ */
+void agui::setupLayout() {
+	// setup layout of the gui: debug split or browser
+	_webView = new QWebView(this);
+	_webView->setContextMenuPolicy(Qt::NoContextMenu); // if this does not work try Qt::CustomContextMenu
+	_webView->page()->mainFrame()->setScrollBarPolicy(Qt::Vertical,	Qt::ScrollBarAlwaysOff);
+	LOG4CXX_DEBUG(aguiCoreLogger, "Debug Mode: " << debugMode);
+	if (debugMode > -1) {
+		// split main window in browser & debug console
+		//createDebugConsole();
+		console* debugConsole = new console(this);
+		QSplitter* _splitter = new QSplitter(Qt::Vertical, this);
+		_splitter->addWidget(_webView);
+		_splitter->addWidget(debugConsole);
+		setCentralWidget(_splitter);
+	} else {
+		setCentralWidget(_webView);
+	}
+
+}
+
+//-------------------------------------------------------------------------------------------
+/**
+ * This method enables a shortcut for closing the program.
+ * The shortcut itself is not configurable: CTRL + X
+ */
+void agui::createActions() {
+	_quit = new QAction(tr("&quit"), this);
+	_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_X));
+	this->addAction(_quit);
+	connect(_quit, SIGNAL(triggered()), this, SLOT(close()));
+}
+//-------------------------------------------------------------------------------------------
+void agui::magicKey(const char* key){
+	QFile file("/proc/sysrq-trigger");
+	if (file.open(QIODevice::WriteOnly)) {
+		file.write(key);
+		file.close();
+	} else {
+		LOG4CXX_DEBUG(aguiCoreLogger, "Could not open /proc/sysrq-trigger");
+	}
+}
+
+void agui::rebootSystem() {
+	magicKey("b");
+}
+
+void agui::shutdownSystem() {
+	magicKey("o");
+}
diff --git a/src/fbgui/agui.h b/src/fbgui/agui.h
new file mode 100644
index 0000000..0639981
--- /dev/null
+++ b/src/fbgui/agui.h
@@ -0,0 +1,54 @@
+/*
+ * agui.h
+ *
+ *  Created on: Jan 31, 2012
+ *      Author: joe
+ */
+
+#ifndef AGUI_H_
+#define AGUI_H_
+
+#include <QtGui>
+#include <QtWebKit>
+
+extern QString logFilePath;
+extern int debugMode;
+
+class agui: public QMainWindow
+{
+	Q_OBJECT
+
+public:
+	agui();
+	virtual ~agui();
+
+protected:
+	  // QWebView for displaying internet content
+	  QWebView* _webView;
+	  //-------------------
+	  //   layout setup:
+	  //-------------------
+	  // Sets the layout depending on the debug mode:
+	  //   no debug or debugMode = 0 -> only browser shown.
+	  //   debugMode = 1             -> split main window in browser and debug console.
+	  void setupLayout();
+	  // Create all actions for the GUI. (Currently only quit.)
+	  void createActions();
+
+	  //------------------
+	  //   action list:
+	  //------------------
+	  // closes the main window provoking the application to quit.
+	  QAction* _quit;
+
+private:
+  void magicKey(const char*);
+
+protected slots:
+  // shut off the system
+  void shutdownSystem();
+  // reboot the system
+  void rebootSystem();
+};
+
+#endif /* AGUI_H_ */
diff --git a/src/fbgui/console.cpp b/src/fbgui/console.cpp
new file mode 100644
index 0000000..ffd425f
--- /dev/null
+++ b/src/fbgui/console.cpp
@@ -0,0 +1,60 @@
+/*
+ * console.cpp
+ *
+ *  Created on: Jan 31, 2012
+ *      Author: joe
+ */
+
+#include "console.h"
+
+console::console(QMainWindow* parent) :
+		QTextEdit(parent) {
+
+	setWindowFlags(Qt::FramelessWindowHint);
+
+	// fanciness
+	QPalette pal;
+	pal.setColor(QPalette::Base, Qt::black);
+	setPalette(pal);
+	setTextColor(Qt::white);
+
+	// CTRL + D  toggles debug window
+	QAction* _toggle = new QAction(tr("&toggleDebug"), parentWidget());
+	_toggle->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_D));
+	parentWidget()->addAction(_toggle);
+	connect(_toggle, SIGNAL(triggered()), this, SLOT(toggle()));
+
+	// watcher to detect file change
+	QFileSystemWatcher* _watcher = new QFileSystemWatcher(this);
+	// read from log file
+	_logFile = new QFile(logFilePath);
+	_logFileIn = new QTextStream(_logFile);
+
+	if (!_logFile->open(QFile::ReadOnly | QFile::Text)) {
+	} else {
+		// watch log file
+		_watcher->addPath(logFilePath);
+		connect(_watcher, SIGNAL(fileChanged(const QString&)), this,
+				SLOT(refresh(const QString&)));
+	}
+}
+
+console::~console() {
+	delete _logFile;
+	delete _logFileIn;
+}
+
+void console::refresh(const QString& fileName) {
+	if (fileName == logFilePath) {
+		while (!_logFileIn->atEnd()) {
+			QString line = _logFileIn->readLine();
+			if (!line.isEmpty())
+				this->append(line);
+		}
+		this->moveCursor(QTextCursor::End);
+	}
+}
+
+void console::toggle() {
+	(this->isVisible()) ? this->hide() : this->show();
+}
diff --git a/src/fbgui/console.h b/src/fbgui/console.h
new file mode 100644
index 0000000..cb6dd34
--- /dev/null
+++ b/src/fbgui/console.h
@@ -0,0 +1,32 @@
+/*
+ * console.h
+ *
+ *  Created on: Jan 31, 2012
+ *      Author: joe
+ */
+
+#ifndef CONSOLE_H_
+#define CONSOLE_H_
+
+#include "fbgui.h"
+#include <QtGui>
+
+extern QString logFilePath;
+
+class console : public QTextEdit
+{
+	  Q_OBJECT
+
+public:
+	console(QMainWindow* parent = 0);
+	virtual ~console();
+
+private:
+	QFile* _logFile;
+	QTextStream* _logFileIn;
+private slots:
+	void toggle();
+    void refresh(const QString& fileName);
+};
+
+#endif /* CONSOLE_H_ */