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//===========================================
// Lumina-DE source code
// Copyright (c) 2014, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "TrayIcon.h"
//#include <X11/Xlib.h>
//#include <X11/Xutil.h>
#include <X11/extensions/Xdamage.h>
//#include <xcb/damage.h>
//static xcb_damage_damage_t dmgID;
#include <LSession.h>
#include <QScreen>
static int dmgID = 0;
TrayIcon::TrayIcon(QWidget *parent) : QWidget(parent){
AID = 0; //nothing yet
IID = 0;
}
TrayIcon::~TrayIcon(){
if(AID!=0){
detachApp();
}
}
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;
IID = this->winId(); //embed directly into this widget
//IID = LX11::CreateWindow( this->winId(), this->rect() ); //Create an intermediate window to be the parent
if( LSession::handle()->XCB->EmbedWindow(AID, IID) ){
LX11::RestoreWindow(AID); //make it visible
//XSelectInput(QX11Info::display(), AID, StructureNotifyMask);
//xcb_damage_create(QX11Info::connection(), dmgID, AID, XCB_DAMAGE_REPORT_LEVEL_RAW_RECTANGLES);
dmgID = XDamageCreate( QX11Info::display(), AID, XDamageReportRawRectangles );
qDebug() << "New System Tray App:" << AID;
QTimer::singleShot(1000, this, SLOT(updateIcon()) );
}else{
qWarning() << "Could not Embed Tray Application:" << AID;
//LX11::DestroyWindow(IID);
IID = 0;
AID = 0;
}
}
void TrayIcon::setSizeSquare(int 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";
LSession::handle()->XCB->UnembedWindow(tmp);
//if(dmgID!=0){
//XDamageDestroy(QX11Info::display(), dmgID);
//}
qDebug() << " - finished app:" << tmp;
//if(IID!=this->winId()){ LX11::DestroyWindow(IID); }
IID = 0;
}
// ==============
// PRIVATE SLOTS
// ==============
void TrayIcon::updateIcon(){
if(AID==0){ return; }
//Make sure the icon is square
QSize icosize = this->size();
LX11::ResizeWindow(AID, icosize.width(), icosize.height());
QTimer::singleShot(500, this, SLOT(update()) ); //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){
//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;
//Try to grab the window directly with Qt
QList<QScreen*> scrnlist = QApplication::screens();
for(int i=0; i<scrnlist.length(); i++){
pix = scrnlist[i]->grabWindow(AID);
break; //stop here
}
//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() != pix.size()){ QTimer::singleShot(10, this, SLOT(updateIcon())); qDebug() << "-- Icon size mismatch"; }
painter.drawPixmap(0,0,this->width(), this->height(), pix.scaled(this->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation) );
}else{
qDebug() << " - - No Tray Icon/Image found!" << "ID:" << AID;
}
//qDebug() << " - Done";
}
}
void TrayIcon::resizeEvent(QResizeEvent *event){
//qDebug() << "Resize Event:" << event->size().width() << event->size().height();
if(AID!=0){
LX11::ResizeWindow(AID, event->size().width(), event->size().height());
QTimer::singleShot(500, this, SLOT(update()) ); //make sure to re-draw the window in a moment
}
}
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