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//===========================================
// Lumina-DE source code
// Copyright (c) 2012, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "LPanel.h"
#include "LSession.h"
#include "panel-plugins/systemtray/LSysTray.h"
LPanel::LPanel(QSettings *file, int scr, int num, QWidget *parent) : QWidget(){
//Take care of inputs
qDebug() << " - Creating Panel:" << scr << num;
bgWindow = parent; //save for later
//Setup the widget overlay for the entire panel to provide transparency effects
panelArea = new QWidget(this);
QBoxLayout *tmp = new QBoxLayout(QBoxLayout::LeftToRight,this);
tmp->setContentsMargins(0,0,0,0);
this->setLayout(tmp);
tmp->addWidget(panelArea);
settings = file;
screennum = scr;
screen = LSession::desktop();
PPREFIX = "panel"+QString::number(screennum)+"."+QString::number(num)+"/";
defaultpanel = (screen->screenGeometry(screennum).x()==0 && num==0);
//if(settings->value("defaultpanel",QString::number(screen->primaryScreen())+".0").toString()==QString::number(screennum)+"."+QString::number(num) ){ defaultpanel=true;}
//else{defaultpanel=false; }
horizontal=true; //use this by default initially
//Setup the panel
qDebug() << " -- Setup Panel";
this->setContentsMargins(0,0,0,0);
this->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
this->setWindowFlags(Qt::Tool | Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint );
this->setFocusPolicy(Qt::NoFocus);
this->setWindowTitle("");
this->setAttribute(Qt::WA_X11NetWmWindowTypeDock);
this->setAttribute(Qt::WA_AlwaysShowToolTips);
this->setObjectName("LuminaPanelWidget");
panelArea->setObjectName("LuminaPanelPluginWidget");
//LX11::SetAsPanel(this->winId()); //set proper type of window for a panel since Qt can't do it
LX11::SetAsSticky(this->winId());
layout = new QBoxLayout(QBoxLayout::LeftToRight, this);
layout->setContentsMargins(0,0,0,0);
layout->setSpacing(1);
//layout->setSizeConstraint(QLayout::SetFixedSize);
panelArea->setLayout(layout);
QTimer::singleShot(1,this, SLOT(UpdatePanel()) ); //start this in a new thread
connect(screen, SIGNAL(resized(int)), this, SLOT(UpdatePanel()) ); //in case the screen resolution changes
}
LPanel::~LPanel(){
}
//===========
// PUBLIC SLOTS
//===========
void LPanel::UpdatePanel(){
//Create/Update the panel as designated in the Settings file
settings->sync(); //make sure to catch external settings changes
//First set the geometry of the panel and send the EWMH message to reserve that space
qDebug() << "Update Panel";
QString loc = settings->value(PPREFIX+"location","").toString();
if(loc.isEmpty() && defaultpanel){ loc="top"; }
if(loc=="top" || loc=="bottom"){
horizontal=true;
layout->setAlignment(Qt::AlignLeft);
layout->setDirection(QBoxLayout::LeftToRight);
}else{
horizontal=false;
layout->setAlignment(Qt::AlignTop);
layout->setDirection(QBoxLayout::TopToBottom);
}
int ht = settings->value(PPREFIX+"height", 30).toInt(); //this is technically the distance into the screen from the edge
//qDebug() << " - set Geometry";
int xwid = screen->screenGeometry(screennum).width();
int xhi = screen->screenGeometry(screennum).height();
int xloc = screen->screenGeometry(screennum).x();
//xloc=xoffset;
if(loc=="top"){ //top of screen
QSize sz = QSize(xwid, ht);
this->setMinimumSize(sz);
this->setMaximumSize(sz);
this->setGeometry(xloc,0,xwid, ht );
LX11::ReservePanelLocation(this->winId(), xloc, 0, this->width(), ht, "top");
}else if(loc=="bottom"){ //bottom of screen
QSize sz = QSize(xwid, ht);
this->setMinimumSize(sz);
this->setMaximumSize(sz);
this->setGeometry(xloc,xhi-ht,xwid, ht );
LX11::ReservePanelLocation(this->winId(), xloc, xhi-ht, this->width(), ht, "bottom");
}else if(loc=="left"){ //left side of screen
QSize sz = QSize(ht, xhi);
this->setMinimumSize(sz);
this->setMaximumSize(sz);
this->setGeometry(xloc,0, ht, xhi);
LX11::ReservePanelLocation(this->winId(), xloc, 0, ht, xhi, "left");
}else{ //right side of screen
QSize sz = QSize(ht, xhi);
this->setMinimumSize(sz);
this->setMaximumSize(sz);
this->setGeometry(xloc+xwid-ht,0,ht, xhi);
LX11::ReservePanelLocation(this->winId(), xloc+xwid-ht, 0, ht, xhi, "right");
}
//Now update the appearance of the toolbar
QString color = settings->value(PPREFIX+"color", "rgba(255,255,255,160)").toString();
QString style = "QWidget#LuminaPanelPluginWidget{ background: %1; border-radius: 5px; border: 1px solid transparent; }";
style = style.arg(color);
panelArea->setStyleSheet(style);
//Then go through the plugins and create them as necessary
QStringList plugins = settings->value(PPREFIX+"pluginlist", QStringList()).toStringList();
if(defaultpanel && plugins.isEmpty()){
plugins << "userbutton" << "taskmanager" << "spacer" << "systemtray" << "clock" << "systemdashboard";
}
qDebug() << " - Initialize Plugins: " << plugins;
for(int i=0; i<plugins.length(); i++){
//Ensure this plugin has a unique ID (NOTE: this numbering does not persist between sessions)
if(!plugins[i].contains("---")){
int num=1;
while( plugins.contains(plugins[i]+"---"+QString::number(this->number())+"."+QString::number(num)) ){
num++;
}
plugins[i] = plugins[i]+"---"+QString::number(this->number())+"."+QString::number(num);
}
//See if this plugin is already there or in a different spot
bool found = false;
for(int p=0; p<PLUGINS.length(); p++){
if(PLUGINS[p]->type()==plugins[i]){
found = true; //already exists
//Make sure the plugin layout has the correct orientation
if(horizontal){PLUGINS[p]->layout()->setDirection(QBoxLayout::LeftToRight); }
else{ PLUGINS[p]->layout()->setDirection(QBoxLayout::TopToBottom); }
QTimer::singleShot(0,PLUGINS[p], SLOT( OrientationChange() ) );
//Now check the location of the plugin in the panel
if(p!=i){ //wrong place in the panel
layout->takeAt(p); //remove the item from the current location
layout->insertWidget(i, PLUGINS[p]); //add the item into the correct location
PLUGINS.move(p,i); //move the identifier in the list to match
}
break;
}
}
if(!found){
//New Plugin
qDebug() << " -- New Plugin:" << plugins[i];
LPPlugin *plug = NewPP::createPlugin(plugins[i], panelArea, horizontal);
if(plug != 0){
PLUGINS.insert(i, plug);
layout->insertWidget(i, PLUGINS[i]);
}else{
//invalid plugin type
plugins.removeAt(i); //remove this invalid plugin from the list
i--; //make sure we don't miss the next item with the re-order
}
}
}
//Now remove any extra plugins from the end
for(int i=plugins.length(); i<PLUGINS.length(); i++){
qDebug() << " -- Remove Plugin: " << i;
//If this is the system tray - stop it first
if( PLUGINS[i]->type().startsWith("systemtray---") ){
static_cast<LSysTray*>(PLUGINS[i])->stop();
}
layout->takeAt(i); //remove from the layout
delete PLUGINS.takeAt(i); //delete the actual widget
}
this->update();
this->show(); //make sure the panel is visible now
//Now go through and send the orientation update signal to each plugin
for(int i=0; i<PLUGINS.length(); i++){
QTimer::singleShot(0,PLUGINS[i], SLOT(OrientationChange()));
}
}
void LPanel::UpdateLocale(){
//The panel itself has no text to translate, just forward the signal to all the plugins
for(int i=0; i<PLUGINS.length(); i++){
QTimer::singleShot(1,PLUGINS[i], SLOT(LocaleChange()));
}
}
void LPanel::UpdateTheme(){
//The panel itself has no theme-based icons, just forward the signal to all the plugins
for(int i=0; i<PLUGINS.length(); i++){
QTimer::singleShot(1,PLUGINS[i], SLOT(ThemeChange()));
}
}
//===========
// PROTECTED
//===========
void LPanel::paintEvent(QPaintEvent *event){
QPainter *painter = new QPainter(this);
//Make sure the base background of the event rectangle is the associated rectangle from the BGWindow
QRect rec(event->rect().x(), event->rect().y(), event->rect().width(), event->rect().height()); //already in global coords? (translating to bgWindow coords crashes Lumina)
//Need to translate that rectangle to the background image coordinates
//qDebug() << "Rec:" << rec.x() << rec.y();
rec.moveTo( this->mapToGlobal(rec.topLeft()) ); //Need to change to global coords for the main window
//qDebug() << "Global Rec:" << rec.x() << rec.y() << screennum;
rec.moveTo( rec.x()-screen->screenGeometry(screennum).x(), rec.y() );
//qDebug() << "Adjusted Global Rec:" << rec.x() << rec.y();
painter->drawPixmap(event->rect(), QPixmap::grabWidget(bgWindow, rec) );
QWidget::paintEvent(event); //now pass the event along to the normal painting event
}
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