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);
}

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;
}
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	void MyWebView::start(QString url, QString screenid) {
17	try {
18	this->load( QUrl( generateUrl(url, screenid) ) );
19	} catch (std::exception& e) {
20	showError(e.what() );
21	}
22
23	}
24
25	void MyWebView::showError(const char* msg) {
26	QString str("<html><body><center><h1>");
27	str.append(msg).append("</h1></center></body></html>");
28	this->setHtml( str );
29	}
30
31	QString MyWebView::generateUrl(QString url, QString screenid) {
32	QDesktopWidget* desktop = QApplication::desktop();
33	QRect rect = desktop->screenGeometry();
34
35
36	QString width, height;
37	width.setNum( rect.width() );
38	height.setNum( rect.height() );
39
40
41	if (url.length() == 0) {
42	throw std::runtime_error("No url in config file");
43	}
44
45	url.append("?screen_id=").append(screenid);
46	url.append("&width=").append(width);
47	url.append("&height=").append(height);
48
49
50	qDebug() << "URL:" << url;
51
52
53	return url;
54	}