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//===========================================
// Lumina-desktop source code
// Copyright (c) 2018, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include <global-objects.h>
#include "RootDesktop.h"
#include "Panel.h"
// === PUBLIC ===
RootDesktop::RootDesktop(QWindow *) : QWidget(0, Qt::Widget | Qt::FramelessWindowHint | Qt::WindowStaysOnBottomHint){
}
RootDesktop::~RootDesktop(){
}
void RootDesktop::start(){
//qDebug() << "Starting RootDesktop" << this->geometry() << this->isVisible();
bgTimer = new QTimer(this);
bgTimer->setInterval(50);
bgTimer->setSingleShot(true);
connect(bgTimer, SIGNAL(timeout()), this, SLOT(bgTimerUpdate()) );
cmenu = new DesktopContextMenu(this);
//Setup the connections to the main objects
connect(RootDesktopObject::instance(), SIGNAL(screensChanged()), this, SLOT(on_screensChanged()) );
connect(RootDesktopObject::instance(), SIGNAL(panelsChanged()), this, SLOT(on_panelsChanged()) );
connect(RootDesktopObject::instance(), SIGNAL(windowsChanged()), this, SLOT(on_windowsChanged()) );
connect(RootDesktopObject::instance(), SIGNAL(trayWindowsChanged()), this, SLOT(on_trayWindowsChanged()) );
connect(cmenu, SIGNAL(LockSession()), RootDesktopObject::instance(), SIGNAL(lockScreen()) );
connect(cmenu, SIGNAL(showLeaveDialog()), RootDesktopObject::instance(), SIGNAL(startLogout()) );
connect(cmenu, SIGNAL(LaunchStandardApplication(QString)), RootDesktopObject::instance(), SIGNAL(launchApplication(QString)) );
connect(cmenu, SIGNAL(LaunchApplication(QString)), RootDesktopObject::instance(), SIGNAL(launchApplication(QString)) );
on_screensChanged(); //make sure this is setup right away (sets up connections
QTimer::singleShot(0, this, SLOT(on_panelsChanged()) );
QTimer::singleShot(2, this, SLOT(on_windowsChanged()) );
QTimer::singleShot(4, this, SLOT(on_trayWindowsChanged()) );
//Now start the first-run of the background change system
cmenu->start();
bgTimer->start();
this->show();
}
// === PRIVATE ===
//QImage bgimage;
// === PRIVATE SLOTS ===
//RootDesktopObject connections
void RootDesktop::on_screensChanged(){
QStringList screens = RootDesktopObject::instance()->screens();
//qDebug() << "Screens Changed:" << lastscreens << screens;
for(int i=0; i<screens.length(); i++){
if(!lastscreens.contains(screens[i])){
connect(RootDesktopObject::instance()->screen(screens[i]), SIGNAL(backgroundChanged()), this, SLOT(on_screen_bg_changed()) );
}
}
on_screen_bg_changed(); //start the timer to update the backgrounds now
lastscreens = screens; //save this for later
}
void RootDesktop::on_panelsChanged(){
QStringList pans = RootDesktopObject::instance()->panels();
//Now find any new panels and create them as needed
for(int i=0; i<pans.length(); i++){
if(lastpanels.contains(pans[i])){ continue; } //already created
//Need to create a new panel widget (self-maintained)
new Panel( RootDesktopObject::instance()->panel(pans[i]) );
}
lastpanels = pans; //save this for the next time around
}
void RootDesktop::on_windowsChanged(){
}
void RootDesktop::on_trayWindowsChanged(){
}
void RootDesktop::on_screen_bg_changed(){
if(!bgTimer->isActive()){ bgTimer->start(); }
}
//Internal use
void RootDesktop::bgTimerUpdate(){
//qDebug() << "bgTimerUpdate";
//QtConcurrent::run(this, &RootDesktop::updateBG, this);
updateBG(this);
}
void RootDesktop::updateBG(RootDesktop* obj){
QImage tmp(obj->size(), QImage::Format_ARGB32_Premultiplied);
QStringList scr = RootDesktopObject::instance()->screens();
//qDebug() << "updateBG" << scr << tmp.size() << obj->geometry();
QPainter imgpaint(&tmp);
for(int i=0; i<scr.length(); i++){
ScreenObject * screen = RootDesktopObject::instance()->screen(scr[i]);
QString file = screen->background(); //in URL format
//qDebug() << "Got BG File:" << file << QUrl(file).toLocalFile();
QImage img(QUrl(file).toLocalFile());
//qDebug() << " - BG File is null:" << img.isNull();
imgpaint.drawImage(screen->geometry(), img, QRect(0,0,img.width(), img.height()) );
}
bgimage = tmp;
//QTimer::singleShot(0, obj, SLOT(update()) );
obj->update();
}
// === PROTECTED ===
void RootDesktop::paintEvent(QPaintEvent *ev){
//qDebug() << "Paint Event:" << bgimage.isNull();
if (!bgimage.isNull()) {
//qDebug() << "Wallpaper paint Event:" << ev->rect();
QPainter painter(this);
painter.drawImage(ev->rect(), bgimage, ev->rect());
}else{
QWidget::paintEvent(ev);
}
}
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