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//===========================================
// Lumina Desktop source code
// Copyright (c) 2016, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
// This menu is used to automatically generate menu contents
// based on the JSON output of an external script/utility
//===========================================
#ifndef _LUMINA_DESKTOP_JSON_MENU_H
#define _LUMINA_DESKTOP_JSON_MENU_H
#include <QMenu>
#include <QString>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <LuminaUtils.h>
#include <LuminaXDG.h>
#include "LSession.h"
class JsonMenu : public QMenu{
Q_OBJECT
private:
QString exec;
public:
JsonMenu(QString execpath, QWidget *parent = 0) : QMenu(parent){
exec = execpath;
connect(this, SIGNAL(aboutToShow()), this, SLOT(updateMenu()) );
connect(this, SIGNAL(triggered(QAction*)), this, SLOT(itemTriggered(QAction*)) );
}
private slots:
void parseObject(QString label, QJsonObject obj){
if( label.isEmpty() || !obj.contains("type") ){ return; }
QString type = obj.value("type").toString();
if(type.toLower()=="item"){
QAction *act = this->addAction(label);
if(obj.contains("icon")){ act->setIcon( LXDG::findIcon(obj.value("icon").toString(),"") ); }
if(obj.contains("action")){ act->setWhatsThis( obj.value("action").toString() ); }
else{ act->setEnabled(false); } //not interactive
}else if(type.toLower()=="menu"){
}else if(type.toLower()=="jsonmenu"){
//This is a recursive JSON menu object
if(!obj.contains("exec")){ return; }
JsonMenu *menu = new JsonMenu(obj.value("exec").toString(), this);
menu->setTitle(label);
if(obj.contains("icon")){ menu->setIcon(LXDG::findIcon(obj.value("icon").toString(),"") ); }
this->addMenu(menu);
}
}
void updateMenu(){
this->clear();
QJsonDocument doc = QJsonDocument::fromJson( LUtils::getCmdOutput(exec).join(" ").toLocal8Bit() );
if(doc.isNull() || !doc.isObject()){
this->addAction( QString(tr("Error parsing script output: %1")).arg("\n"+exec) )->setEnabled(false);
}else{
QStringList keys = doc.object().keys();
for(int i=0; i<keys.length(); i++){
if(doc.object().value(keys[i]).isObject()){
parseObject(keys[i], doc.object().value(keys[i]).toObject());
}
}
}
}
void itemTriggered(QAction *act){
if(act->parent()!=this || act->whatsThis().isEmpty() ){ return; } //only handle direct child actions - needed for recursive nature of menu
QString cmd = act->whatsThis();
QString bin = cmd.section(" ",0,0);
if( !LUtils::isValidBinary(bin) ){ cmd.prepend("lumina-open "); }
LSession::handle()->LaunchApplication(cmd);
}
};
#endif
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