projects/infoscreen/webview.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() {
        try {   
                this->load( QUrl( generateUrl() ) );
        } 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() {
        QDesktopWidget* desktop = QApplication::desktop();
        QRect rect = desktop->screenGeometry();


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

                
        QSettings settings("Caddi", "infoscreen");
        qDebug() << "Settings: " << settings.fileName();

        QString url = settings.value("url").toString();
        QString screenid = settings.value("screenid").toString();

        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	torben	506	#include <QApplication>
2			#include <QDesktopWidget>
3			#include <stdexcept>
4
5			#include "MyWebView.h"
6
7
8	torben	512	MyWebView::MyWebView(QWidget* parent) : QWebView(parent) {
9			connect(this, SIGNAL( loadFinished(bool) ), this, SLOT( onChange(bool) ) );
10	torben	507
11	torben	512	QWebSettings* settings = QWebSettings::globalSettings();
12			settings->setAttribute( QWebSettings::JavascriptEnabled, true);
13			settings->setAttribute( QWebSettings::PluginsEnabled, true);
14
15
16
17	torben	507	QTimer* timer = new QTimer(this);
18			connect(timer, SIGNAL(timeout()), this, SLOT(onTimer()));
19			timer->start(1000);
20	torben	512
21	torben	506	}
22
23	torben	512	void MyWebView::start() {
24	torben	506	try {
25			this->load( QUrl( generateUrl() ) );
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() {
39			QDesktopWidget* desktop = QApplication::desktop();
40	torben	512	QRect rect = desktop->screenGeometry();
41	torben	506
42
43	torben	512	QString width, height;
44			width.setNum( rect.width() );
45			height.setNum( rect.height() );
46
47	torben	506
48			QSettings settings("Caddi", "infoscreen");
49	torben	512	qDebug() << "Settings: " << settings.fileName();
50
51	torben	506	QString url = settings.value("url").toString();
52			QString screenid = settings.value("screenid").toString();
53
54			if (url.length() == 0) {
55			throw std::runtime_error("No url in config file");
56			}
57
58			url.append("?screen_id=").append(screenid);
59			url.append("&width=").append(width);
60			url.append("&height=").append(height);
61
62
63	torben	512	qDebug() << "URL:" << url;
64	torben	506
65	torben	512
66	torben	506	return url;
67			}
68
69			//public slots:
70	torben	512	void MyWebView::onChange(bool success) {
71			//qDebug() << "html" << this->page()->mainFrame()->toHtml();
72	torben	506	}
73
74	torben	507
75			void MyWebView::onTimer() {
76			}