projects/infoscreen/webview.cpp

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

#include "webview.h"


WebView::WebView(QWidget* parent) : QWebView(parent) {

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

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

}

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

QString WebView::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 "webview.h"
6
7
8	WebView::WebView(QWidget* parent) : QWebView(parent) {
9
10	QWebSettings* settings = QWebSettings::globalSettings();
11	settings->setAttribute( QWebSettings::JavascriptEnabled, true);
12	settings->setAttribute( QWebSettings::PluginsEnabled, true);
13	}
14
15	void WebView::start(QString url, QString screenid) {
16	try {
17	this->load( QUrl( generateUrl(url, screenid) ) );
18	} catch (std::exception& e) {
19	showError(e.what() );
20	}
21
22	}
23
24	void WebView::showError(const char* msg) {
25	QString str("<html><body><center><h1>");
26	str.append(msg).append("</h1></center></body></html>");
27	this->setHtml( str );
28	}
29
30	QString WebView::generateUrl(QString url, QString screenid) {
31	QDesktopWidget* desktop = QApplication::desktop();
32	QRect rect = desktop->screenGeometry();
33
34
35	QString width, height;
36	width.setNum( rect.width() );
37	height.setNum( rect.height() );
38
39
40	if (url.length() == 0) {
41	throw std::runtime_error("No url in config file");
42	}
43
44	url.append("?screen_id=").append(screenid);
45	url.append("&width=").append(width);
46	url.append("&height=").append(height);
47
48
49	qDebug() << "URL:" << url;
50
51
52	return url;
53	}