qtforum.de

Code: Alles auswählen

void main(void)
{
	fstream f;
	char cstring[256];
	char leer[256];
	f.open("test.dat",ios::in);

	do
	{
		f.clear();
		while (!f.eof())
		{
			f.getline(cstring,sizeof(cstring));
			if(strcmp(cstring, ""))
			{
				cout << cstring << endl;
			}
		}
	}
	while(true);
	f.close();
}

Code: Alles auswählen

//MainWindow
MainWindow::MainWindow()
{
	sortedView = new QTreeView();
	sortingModel = new QSortFilterProxyModel();
	clear();
	sortedView->header()->setSortIndicator(1, Qt::AscendingOrder);
	sortedView->header()->setSortIndicatorShown(true);
	sortedView->header()->setClickable(true);
	sortedView->setRootIsDecorated(false);
	sortedView->setAlternatingRowColors(true);

	setCentralWidget(sortedView);	
	setWindowTitle(QObject::tr("Monitor"));
	setWindowIcon(QIcon(":/images/play2.png"));

	createActions();
    createMenus();
    createToolBars();
	createStatusBar();

	readSettings();
    setCurrentFile("");
	updateStatusBar();
}

//Aktivierung des QFileSystemWatcher (in createActions())
	poll2Action = new QAction(tr("Autom. &Lauschen"), this);
	poll2Action->setCheckable(true);
	poll2Action->setChecked(pollFunc());
	poll2Action->setIcon(QIcon(":/images/play2.png"));
	poll2Action->setStatusTip(tr("Automatisch auf Knoten lauschen"));
	connect(poll2Action, SIGNAL(toggled(bool)), this, SLOT(autopoll(bool)));

//Funktion zur Aktivierung
void MainWindow::autoPoll(const bool &temp)
{
	pollVar=temp;
	fileWatch = new QFileSystemWatcher();
	connect(fileWatch,SIGNAL(fileChanged(pollf)),     //pollf globale Variable für den Dateinamen
			this,SLOT(poll()));
}

void MainWindow::poll()
{
	QString streamTemp;
	QFile pollfile(pollf);
	if (!pollfile.open(QIODevice::ReadOnly | QIODevice::Text)) return;

	QTextStream in(&pollfile);
	streamTemp = in.readAll();
	dynamicReadBuffer(streamTemp);
	model = new TreeModel(streamTemp,temp,runVar);
	sortingModel->setSourceModel(model);
	sortedView->setModel(sortingModel);

	pollfile.close(); 
}

Code: Alles auswählen

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QFileSystemWatcher>
#include <QMainWindow>
#include <QBuffer>

class QAction;
class QLabel;
class TreeModel;
class QTreeView;
class QSortFilterProxyModel;

class MainWindow : public QMainWindow
{
	Q_OBJECT

public:
	MainWindow();
	bool runFunc() const { return runVar; }
	bool pollFunc() const { return pollVar; }
	QBuffer bufferData;

protected:
	void closeEvent(QCloseEvent *event);

private slots:
	void newFile();
	void open();
	bool save();
	bool saveAs();
	void clear();
	void openRecentFile();
	void fileName();
	void poll();
	void autoPoll(const bool &temp);
	void runVarFunc(bool runningVar);

Q_SIGNALS:
	void fileChanged(const QString &file);

private:
	void createActions();
	void createMenus();
	void createContextMenu();
	void createToolBars();
	void createStatusBar();
	void updateStatusBar();
	void readSettings();
	void writeSettings();
	bool loadFile(const QString &fileName);
	bool saveFile(const QString &fileName);
	void setCurrentFile(const QString &fileName);
	void updateRecentFileActions();
	QString strippedName(const QString &fullFileName);
	bool okToContinue();
	bool monitorModified();
	bool dynamicReadBuffer(const QString &bufferData);
	bool readBuffer();
	bool writeBuffer();
	QStringList recentFiles;
	QString curFile;

	enum { MaxRecentFiles = 5 };
	QAction *recentFileActions[MaxRecentFiles];
	QAction *separatorAction;
	QSortFilterProxyModel *sortingModel;
	QTreeView *sortedView;
	TreeModel *model;
	QFileSystemWatcher *fileWatch;
	QLabel *locationLabel;
	QLabel *formulaLabel;
	QMenu *fileMenu;
	QMenu *editMenu;
	QMenu *screenMenu;
	QToolBar *fileToolBar;
	QToolBar *editToolBar;
	QToolBar *screenToolBar;
	QAction *newAction;
	QAction *openAction;
	QAction *saveAction;
	QAction *saveAsAction;
	QAction *exitAction;
	QAction *clearAction;
	QAction *nodeAction;
	QAction *pollAction;
	QAction *poll2Action;
	QAction *runAction;
	bool runVar;
	bool pollVar;
};
#endif

Code: Alles auswählen

sortedView = new QTreeView();
sortingModel = new QSortFilterProxyModel();
model = new TreeModel("",temp,runVar);
sortingModel->setSourceModel(model);
sortedView->setModel(sortingModel);
setCentralWidget(sortedView);

Code: Alles auswählen

sortedView->header()->setSortIndicator(1, Qt::AscendingOrder);
sortedView->header()->setSortIndicatorShown(true);
sortedView->header()->setClickable(true);

Code: Alles auswählen

sortedView->setSortingEnabled(true);

Code: Alles auswählen

void MainWindow::createActions()
{
	autoAction = new QAction(tr("Automatisches Lauschen"), this);
	autoAction->setCheckable(true);
	autoAction->setChecked(pollFunc());  //gibt den Wert von pollVar zurück
	autoAction->setIcon(QIcon(":/images/play2.png"));
	autoAction->setStatusTip(tr("Automatisches lauschen"));
	connect(autoAction, SIGNAL(toggled(bool)), this, SLOT(autoPoll(bool)));
}

void MainWindow::autoPoll(bool temp)
{
	pollVar=temp;
	fileWatch = new QFileSystemWatcher();
	fileWatch->addPath(pollf);    //pollf - global definierter Dateipfad
	if(pollVar){
		statusBar()->showMessage(tr("Connect gestartet"), 4000);
		connect(fileWatch,SIGNAL(fileChanged(pollf)),
				this,SLOT(poll()));
	}
	else{
		statusBar()->showMessage(tr("Connect gestoppt"), 4000);
		disconnect(fileWatch, 0, 0, 0); 
	}
}