projects/infoscreen/MyWebView.cpp

#include <QApplication>
#include <QDesktopWidget>
#include <stdexcept>

#include "MyWebView.h"


MyWebView::MyWebView(QWidget* parent) : QWebView(parent) {              
    connect(this, SIGNAL( loadFinished(bool) ), this, SLOT( onChange(bool) ) );

    QWebSettings* settings = QWebSettings::globalSettings();
    settings->setAttribute( QWebSettings::JavascriptEnabled, true);
    settings->setAttribute( QWebSettings::PluginsEnabled, true);


    QTimer* timer = new QTimer(this);
    connect(timer, SIGNAL(timeout()), this, SLOT(onTimer()));
    timer->start(1000);

}

void MyWebView::start(QString url, QString screenid) {
    try {
        this->load( QUrl( generateUrl(url, screenid) ) );
    } catch (std::exception& e) {
        showError(e.what() );
    }

}

void MyWebView::showError(const char* msg) {
    QString str("<html><body><center><h1>");
    str.append(msg).append("</h1></center></body></html>");
    this->setHtml( str );
}

QString MyWebView::generateUrl(QString url, QString screenid) {
    QDesktopWidget* desktop = QApplication::desktop();
    QRect rect = desktop->screenGeometry();


    QString width, height;
    width.setNum( rect.width() );
    height.setNum( rect.height() );


    if (url.length() == 0) {
        throw std::runtime_error("No url in config file");
    }

    url.append("?screen_id=").append(screenid);
    url.append("&width=").append(width);
    url.append("&height=").append(height);


    qDebug() << "URL:" << url;


    return url;
}

//public slots:
void MyWebView::onChange(bool success) {
    //qDebug() << "html" << this->page()->mainFrame()->toHtml();
}


void MyWebView::onTimer() {
}
1	#include <QApplication>
2	#include <QDesktopWidget>
3	#include <stdexcept>
4
5	#include "MyWebView.h"
6
7
8	MyWebView::MyWebView(QWidget* parent) : QWebView(parent) {
9	connect(this, SIGNAL( loadFinished(bool) ), this, SLOT( onChange(bool) ) );
10
11	QWebSettings* settings = QWebSettings::globalSettings();
12	settings->setAttribute( QWebSettings::JavascriptEnabled, true);
13	settings->setAttribute( QWebSettings::PluginsEnabled, true);
14
15
16
17	QTimer* timer = new QTimer(this);
18	connect(timer, SIGNAL(timeout()), this, SLOT(onTimer()));
19	timer->start(1000);
20
21	}
22
23	void MyWebView::start(QString url, QString screenid) {
24	try {
25	this->load( QUrl( generateUrl(url, screenid) ) );
26	} catch (std::exception& e) {
27	showError(e.what() );
28	}
29
30	}
31
32	void MyWebView::showError(const char* msg) {
33	QString str("<html><body><center><h1>");
34	str.append(msg).append("</h1></center></body></html>");
35	this->setHtml( str );
36	}
37
38	QString MyWebView::generateUrl(QString url, QString screenid) {
39	QDesktopWidget* desktop = QApplication::desktop();
40	QRect rect = desktop->screenGeometry();
41
42
43	QString width, height;
44	width.setNum( rect.width() );
45	height.setNum( rect.height() );
46
47
48	if (url.length() == 0) {
49	throw std::runtime_error("No url in config file");
50	}
51
52	url.append("?screen_id=").append(screenid);
53	url.append("&width=").append(width);
54	url.append("&height=").append(height);
55
56
57	qDebug() << "URL:" << url;
58
59
60	return url;
61	}
62
63	//public slots:
64	void MyWebView::onChange(bool success) {
65	//qDebug() << "html" << this->page()->mainFrame()->toHtml();
66	}
67
68
69	void MyWebView::onTimer() {
70	}