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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
//===========================================
// This class is the generic container for a desktop plugin that handles
// saving/restoring all the movement and sizing
//===========================================
#ifndef _LUMINA_DESKTOP_DESKTOP_PLUGIN_CONTAINER_H
#define _LUMINA_DESKTOP_DESKTOP_PLUGIN_CONTAINER_H
#include <QObject>
#include <QMdiSubWindow>
#include <QSettings>
#include <QMoveEvent>
#include <QResizeEvent>
#include <QCloseEvent>
#include <QString>
#include <QFile>
#include <QIcon>
#include <QTimer>
#include "LDPlugin.h"
class LDPluginContainer : public QMdiSubWindow{
Q_OBJECT
private:
QSettings *settings;
QTimer *syncTimer;
bool locked, setup;
private slots:
void saveGeometry(){
if(settings==0){ return; }
settings->setValue("location/x", this->pos().x());
settings->setValue("location/y", this->pos().y());
settings->setValue("location/width", this->size().width());
settings->setValue("location/height", this->size().height());
settings->sync();
}
public:
LDPluginContainer(LDPlugin *plugin = 0, bool islocked = true) : QMdiSubWindow(){
locked = islocked;
setup=true;
syncTimer = new QTimer(this);
syncTimer->setInterval(500); //save settings 1 second after it is moved
syncTimer->setSingleShot(true); //no repeats
connect(syncTimer, SIGNAL(timeout()), this, SLOT(saveGeometry()) );
this->setWhatsThis(plugin->ID());
if(locked){ this->setWindowFlags(Qt::FramelessWindowHint); }
else{ this->setWindowFlags(Qt::WindowMaximizeButtonHint | Qt::WindowCloseButtonHint); }
settings = plugin->settings; //save this pointer for access later
if(settings!=0){
if(settings->allKeys().isEmpty()){
//Brand new plugin - no location/size info saved yet
//save the initial size of the plugin - the initial location will be set automatically
QSize sz = plugin->sizeHint();
if(!sz.isValid()){ sz = QSize(64,64); }
settings->setValue("location/width", sz.width());
settings->setValue("location/height", sz.height());
settings->sync();
}
}
this->setContentsMargins(0,0,0,0);
if(!locked){
this->setWindowTitle( plugin->ID().replace("---"," - ") );
this->setWidget( new QWidget() );
this->setWidget( plugin );
this->setWindowIcon(QIcon()); //remove the Qt icon
}else{
this->setStyleSheet("LDPluginContainer{ background: transparent; border: none;}");
this->setWidget(plugin);
}
}
~LDPluginContainer(){
}
void loadInitialPosition(){
QRect set(settings->value("location/x",-12345).toInt(), settings->value("location/y",-12345).toInt(), settings->value("location/width",this->widget()->sizeHint().width()).toInt(), settings->value("location/height",this->widget()->sizeHint().height()).toInt());
//qDebug() << "Initial Plugin Location:" << set.x() << set.y() << set.width() << set.height();
if(set.height() < 10){ set.setHeight(10); } //to prevent foot-shooting
if(set.width() < 10){ set.setWidth(10); } //to prevent foot-shooting
if(set.x()!=-12345 && set.y()!=-12345){
//custom location specified
this->setGeometry(set);
}else{
this->resize(set.width(), set.height());
}
setup=false; //done with setup
}
signals:
void PluginRemoved(QString);
protected:
void moveEvent(QMoveEvent *event){
//Save this location to the settings
if(!locked && !setup){
if(syncTimer->isActive()){ syncTimer->stop(); }
syncTimer->start();
//qDebug() << "DP Move:" << event->pos().x() << event->pos().y();
}
QMdiSubWindow::moveEvent(event); //be sure to pass this event along to the container
}
void resizeEvent(QResizeEvent *event){
//Save this size info to the settings
if(!locked && !setup){
//qDebug() << "DP Resize:" << event->size().width() << event->size().height();
if(syncTimer->isActive()){ syncTimer->stop(); }
syncTimer->start();
}
QMdiSubWindow::resizeEvent(event); //be sure to pass this event along to the container
}
void closeEvent(QCloseEvent *event){
//qDebug() << "Desktop Plugin Close Event:" << this->whatsThis();
if( !this->whatsThis().isEmpty() && !locked){
//Plugin removed by the user - delete the settings file
locked = true; //ensure that the save settings routines don't do anything during the close
if(syncTimer->isActive()){ syncTimer->stop(); } //prevent save routine from running in a moment
QFile::remove( settings->fileName() );
emit PluginRemoved( this->whatsThis() );
}
settings = 0; //ensure we don't touch the settings file after a close event
event->accept();
}
};
#endif
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