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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 "DesktopViewPlugin.h"
DesktopViewPlugin::DesktopViewPlugin(QWidget *parent) : LDPlugin(parent, "desktopview"){
watcher = new QFileSystemWatcher(this);
deskDir = QDir::homePath();
if(QFile::exists(deskDir+"/Desktop") ){
deskDir = deskDir+"/Desktop";
}else if(QFile::exists(deskDir+"/desktop") ){
deskDir = deskDir+"/desktop";
}
watcher->addPath(deskDir);
icoSize = 0; //temporary placeholder
spacing = 0; //temporary placeholder
ITEMS.clear();
layout = new QGridLayout(this);
layout->setContentsMargins(1,1,1,1);
this->setLayout(layout);
//Connect the signals/slots
connect(watcher, SIGNAL(directoryChanged(QString)), this, SLOT(UpdateDesktop()) );
connect(watcher, SIGNAL(fileChanged(QString)), this, SLOT(UpdateDesktop()) );
//Now launch the update mechanisms in a new thread
QTimer::singleShot(10, this, SLOT(UpdateDesktop()) );
}
DesktopViewPlugin::~DesktopViewPlugin(){
}
void DesktopViewPlugin::UpdateDesktop(){
//Calculate available rows/columns
int oldSize = icoSize;
icoSize = 64; //64x64 default icons for now (make dynamic later)
int oldspacing = spacing;
spacing = 4; // 4 pixel space between items (make dynamic later);
if(icoSize != oldSize || spacing != oldspacing){
//Re-create all the items with the proper size
for(int i=0; i<ITEMS.length(); i++){
delete ITEMS.takeAt(i); //delete the widget
i--;
}
}
layout->setSpacing(spacing);
int rmax = (this->height()-2)/(icoSize+spacing);
int cmax = (this->width()-2)/(icoSize+spacing);
//Now get the current items in the folder
QDir dir(deskDir);
QStringList items = dir.entryList( QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot, QDir::Type | QDir::LocaleAware | QDir::DirsFirst);
//iterate over all current items
for(int i=0; i<ITEMS.length(); i++){
int index = items.indexOf( ITEMS[i]->whatsThis().section("/",-1) );
if( index == -1 ){
//item no longer exists - remove it
delete ITEMS.takeAt(i);
i--;
}else{
//Item still exists - remove it from the "new" list
ITEMS[i]->updateItem();
items.removeAt(index);
}
}
//Now iterate over the spaces in the widget and create items as necessary
for(int r=0; r<rmax; r++){
layout->setRowMinimumHeight(r,icoSize);
for(int c=0; c<cmax && items.length() > 0; c++){
if(r==0){ layout->setColumnMinimumWidth(c,icoSize); }
if(layout->itemAtPosition(r,c)==0 && items.length() > 0){
//Empty spot, put the first new item here
DeskItem *it = new DeskItem(this, deskDir+"/"+items[0], icoSize);
items.removeAt(0);
layout->addWidget(it, r,c);
ITEMS << it;
}
}
}
if(layout->itemAtPosition(rmax,cmax)==0){
layout->addWidget(new QWidget(this), rmax, cmax); //put an empty widget here as a placeholder
}
}
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