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//===========================================
// Lumina-DE source code
// Copyright (c) 2012-2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "LSysTray.h"
#include "../../LSession.h"
LSysTray::LSysTray(QWidget *parent, QString id, bool horizontal) : LPPlugin(parent, id, horizontal){
frame = new QFrame(this);
frame->setContentsMargins(0,0,0,0);
//frame->setStyleSheet("QFrame{ background: transparent; border: 1px solid transparent; border-radius: 3px; }");
LI = new QBoxLayout( this->layout()->direction());
frame->setLayout(LI);
LI->setAlignment(Qt::AlignCenter);
LI->setSpacing(0);
LI->setContentsMargins(0,0,0,0);
this->layout()->addWidget(frame);
this->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
//TrayID=0;
upTimer = new QTimer(this);
upTimer->setInterval(300000); //maximum time between refreshes is 5 minutes
connect(upTimer, SIGNAL(timeout()), this, SLOT(checkAll()) );
isRunning = false; stopping = false; checking = false; pending = false;
QTimer::singleShot(100, this, SLOT(start()) );
//Also do one extra check a minute or so after startup (just in case something got missed in the initial flood of registrations)
QTimer::singleShot(90000,this, SLOT(checkAll()) );
connect(LSession::handle(), SIGNAL(TrayListChanged()), this, SLOT(checkAll()) );
connect(LSession::handle(), SIGNAL(TrayIconChanged(WId)), this, SLOT(UpdateTrayWindow(WId)) );
connect(LSession::handle(), SIGNAL(VisualTrayAvailable()), this, SLOT(start()) );
}
LSysTray::~LSysTray(){
if(isRunning){
this->stop();
}
}
void LSysTray::start(){
if(isRunning || stopping){ return; } //already running
isRunning = LSession::handle()->registerVisualTray(this->winId());
qDebug() << "Visual Tray Started:" << this->type() << isRunning;
if(isRunning){
//upTimer->start();
QTimer::singleShot(0,this, SLOT(checkAll()) );
}
}
void LSysTray::stop(){
if(!isRunning){ return; }
stopping = true;
upTimer->stop();
//Now close down the system tray registry
qDebug() << "Stop visual system tray:" << this->type();
//LX11::closeSystemTray(TrayID);
//TrayID = 0;
disconnect(this); //remove any signals/slots
isRunning = false;
//Release all the tray applications and delete the containers
if( !LSession::handle()->currentTrayApps(this->winId()).isEmpty() ){
qDebug() << " - Remove tray applications";
//This overall system tray is not closed down - go ahead and release them here
for(int i=(trayIcons.length()-1); i>=0; i--){
trayIcons[i]->detachApp();
TrayIcon *cont = trayIcons.takeAt(i);
LI->removeWidget(cont);
delete cont;
}
}
//Now let some other visual tray take over
LSession::handle()->unregisterVisualTray(this->winId());
qDebug() << "Done stopping visual tray";
}
// ========================
// PRIVATE FUNCTIONS
// ========================
void LSysTray::checkAll(){
if(!isRunning || stopping || checking){ pending = true; return; } //Don't check if not running at the moment
checking = true;
pending = false;
//Make sure this tray should handle the windows (was not disabled in the backend)
bool TrayRunning = LSession::handle()->registerVisualTray(this->winId());
//qDebug() << "System Tray: Check tray apps";
QList<WId> wins = LSession::handle()->currentTrayApps(this->winId());
for(int i=0; i<trayIcons.length(); i++){
int index = wins.indexOf(trayIcons[i]->appID());
if(index < 0){
//Tray Icon no longer exists: remove it
qDebug() << " - Visual System Tray: Remove Icon:" << trayIcons[i]->appID();
TrayIcon *cont = trayIcons.takeAt(i);
cont->cleanup();
LI->removeWidget(cont);
delete cont;
i--; //List size changed
//Re-adjust the maximum widget size to account for what is left
if(this->layout()->direction()==QBoxLayout::LeftToRight){
this->setMaximumSize( trayIcons.length()*this->height(), 10000);
}else{
this->setMaximumSize(10000, trayIcons.length()*this->width());
}
}else{
//Tray Icon already exists
//qDebug() << " - SysTray: Update Icon";
trayIcons[i]->update();
wins.removeAt(index); //Already found - remove from the list
}
}
//Now go through any remaining windows and add them
for(int i=0; i<wins.length() && TrayRunning; i++){
qDebug() << " - Visual System Tray: Add Icon:" << wins[i];
TrayIcon *cont = new TrayIcon(this);
connect(cont, SIGNAL(BadIcon()), this, SLOT(checkAll()) );
//LSession::processEvents();
trayIcons << cont;
LI->addWidget(cont);
//qDebug() << " - Update tray layout";
if(this->layout()->direction()==QBoxLayout::LeftToRight){
cont->setSizeSquare(this->height()-2-2*frame->frameWidth()); //horizontal tray
this->setMaximumSize( trayIcons.length()*this->height(), 10000);
}else{
cont->setSizeSquare(this->width()-2-2*frame->frameWidth()); //vertical tray
this->setMaximumSize(10000, trayIcons.length()*this->width());
}
//LSession::processEvents();
//qDebug() << " - Attach tray app";
cont->attachApp(wins[i]);
if(cont->appID()==0){
//could not attach window - remove the widget
qDebug() << " - Invalid Tray App: Could Not Embed:";
trayIcons.takeAt(trayIcons.length()-1); //Always at the end
LI->removeWidget(cont);
delete cont;
continue;
}
LI->update(); //make sure there is no blank space in the layout
}
/*if(listChanged){
//Icons got moved around: be sure to re-draw all of them to fix visuals
for(int i=0; i<trayIcons.length(); i++){
trayIcons[i]->update();
}
}*/
//qDebug() << " - System Tray: check done";
checking = false;
if(pending){ QTimer::singleShot(0,this, SLOT(checkAll()) ); }
}
void LSysTray::UpdateTrayWindow(WId win){
if(!isRunning || stopping || checking){ return; }
for(int i=0; i<trayIcons.length(); i++){
if(trayIcons[i]->appID()==win){
//qDebug() << "System Tray: Update Window " << win;
trayIcons[i]->repaint(); //don't use update() because we need an instant repaint (not a cached version)
return; //finished now
}
}
//Could not find tray in the list, run the checkall routine to make sure we are not missing any
//qDebug() << "System Tray: Missing Window - check all";
QTimer::singleShot(0,this, SLOT(checkAll()) );
}
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