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//===========================================
// Lumina-DE source code
// Copyright (c) 2014-2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "TrayIcon.h"
#include <LSession.h>
#include <QScreen>
#include <LuminaX11.h>
TrayIcon::TrayIcon(QWidget *parent) : QWidget(parent){
AID = 0; //nothing yet
IID = 0;
dmgID = 0;
badpaints = 0;
if("1" == QString(getenv("QT_AUTO_SCREEN_SCALE_FACTOR")) ){
scalefactor = 2; //Auto-adjust this later to the physicalDotsPerInch of the current screen
}else{ scalefactor = 1; }
//this->setLayout(new QHBoxLayout);
//this->layout()->setContentsMargins(0,0,0,0);
}
TrayIcon::~TrayIcon(){
}
void TrayIcon::cleanup(){
AID = IID = 0;
}
WId TrayIcon::appID(){
return AID;
}
void TrayIcon::attachApp(WId id){
if(id==0){ return; } //nothing to attach
else if(AID!=0){ qWarning() << "Tray Icon is already attached to a window!"; return; }
AID = id;
//WIN = QWindow::fromWinId(AID);
//connect(WIN, SIGNAL(
//this->layout()->addWidget( QWidget::createWindowContainer(WIN, this) );
IID = this->winId(); //embed directly into this widget
dmgID = LSession::handle()->XCB->EmbedWindow(AID, IID);
if( dmgID != 0 ){
LSession::handle()->XCB->RestoreWindow(AID); //make it visible
//qDebug() << "New System Tray App:" << AID;
QTimer::singleShot(1000, this, SLOT(updateIcon()) );
}else{
//qWarning() << "Could not Embed Tray Application:" << AID;
IID = 0;
AID = 0;
}
}
void TrayIcon::setSizeSquare(int side){
//qDebug() << " Set Fixed Systray size:" << side;
this->setFixedSize( QSize(side, side) );
}
// ==============
// PUBLIC SLOTS
// ==============
void TrayIcon::detachApp(){
if(AID==0){ return; } //already detached
//qDebug() << "Detach App:" << AID;
//Temporarily move the AID, so that internal slots do not auto-run
WId tmp = AID;
AID = 0;
//Now detach the application window and clean up
//qDebug() << " - Unembed";
//WIN->setParent(0); //Reset parentage back to the main stack
LSession::handle()->XCB->UnembedWindow(tmp);
//qDebug() << " - finished app:" << tmp;
IID = 0;
}
// ==============
// PRIVATE SLOTS
// ==============
void TrayIcon::updateIcon(){
if(AID==0){ return; }
//Make sure the icon is square
QSize icosize = this->size();
LSession::handle()->XCB->ResizeWindow(AID, icosize.width()*scalefactor, icosize.height()*scalefactor);
QTimer::singleShot(500, this, SLOT(repaint()) ); //make sure to re-draw the window in a moment
}
// =============
// PROTECTED
// =============
void TrayIcon::paintEvent(QPaintEvent *event){
QWidget::paintEvent(event); //make sure the background is already painted
if(AID!=0){
//Update the background on the tray app
//qDebug() << "Paint Tray Background";
//LSession::handle()->XCB->SetWindowBackground(this, this->geometry(), AID);
//qDebug() << "Paint Tray:" << AID;
QPainter painter(this);
//Now paint the tray app on top of the background
//qDebug() << " - Draw tray:" << AID << IID << this->winId();
//qDebug() << " - - " << event->rect().x() << event->rect().y() << event->rect().width() << event->rect().height();
//qDebug() << " - Get image:" << AID;
QPixmap pix = LSession::handle()->XCB->TrayImage(AID); //= WIN->icon().pixmap(this->size());
//qDebug() << " - Pix size:" << pix.size().width() << pix.size().height();
//qDebug() << " - Geom:" << this->geometry().x() << this->geometry().y() << this->geometry().width() << this->geometry().height();
if(!pix.isNull()){
if((this->size()*scalefactor) != pix.size()){ QTimer::singleShot(10, this, SLOT(updateIcon())); return; }
painter.drawPixmap(0,0,this->width(), this->height(), pix.scaled(this->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation) );
badpaints = 0; //good paint
}else{
badpaints++;
if(badpaints>5){
qWarning() << " - - No Tray Icon/Image found!" << "ID:" << AID;
AID = 0; //reset back to nothing
IID = 0;
emit BadIcon(); //removed/destroyed in some non-valid way?
}
}
//qDebug() << " - Done";
}
}
void TrayIcon::resizeEvent(QResizeEvent *event){
//qDebug() << "Resize Event:" << event->size().width() << event->size().height();
if(AID!=0){
LSession::handle()->XCB->ResizeWindow(AID, event->size());
QTimer::singleShot(500, this, SLOT(update()) ); //make sure to re-draw the window in a moment
}
}
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