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#include "DesktopViewPlugin.h"
#include <QFileInfo>
#include <QDir>
#include <QClipboard>
#include <QMimeData>
#include <QImageReader>
#include <LuminaXDG.h>
#include "LSession.h"
DesktopViewPlugin::DesktopViewPlugin(QWidget* parent, QString ID) : LDPlugin(parent, ID){
this->setLayout( new QVBoxLayout());
this->layout()->setContentsMargins(0,0,0,0);
list = new QListWidget(this);
list->setViewMode(QListView::IconMode);
list->setFlow(QListWidget::TopToBottom); //Qt bug workaround - need the opposite flow in the widget constructor
list->setWrapping(true);
list->setSpacing(4);
list->setSelectionBehavior(QAbstractItemView::SelectItems);
list->setSelectionMode(QAbstractItemView::ExtendedSelection);
list->setContextMenuPolicy(Qt::CustomContextMenu);
list->setMovement(QListView::Snap); //make sure items are "stuck" in the grid
menu = new QMenu(this);
menu->addAction( LXDG::findIcon("run-build-file",""), tr("Open"), this, SLOT(runItems()) );
menu->addSeparator();
menu->addAction( LXDG::findIcon("edit-cut",""), tr("Cut"), this, SLOT(cutItems()) );
menu->addAction( LXDG::findIcon("edit-copy",""), tr("Copy"), this, SLOT(copyItems()) );
menu->addSeparator();
menu->addAction( LXDG::findIcon("zoom-in",""), tr("Increase Icons"), this, SLOT(increaseIconSize()) );
menu->addAction( LXDG::findIcon("zoom-out",""), tr("Decrease Icons"), this, SLOT(decreaseIconSize()) );
menu->addSeparator();
menu->addAction( LXDG::findIcon("edit-delete",""), tr("Delete"), this, SLOT(deleteItems()) );
menu->addSeparator();
if(LUtils::isValidBinary("lumina-fileinfo")){
menu->addAction( LXDG::findIcon("system-search",""), tr("Properties"), this, SLOT(displayProperties()) );
}
this->layout()->addWidget(list);
connect(QApplication::instance(), SIGNAL(DesktopFilesChanged()), this, SLOT(updateContents()) );
connect(list, SIGNAL(itemActivated(QListWidgetItem*)), this, SLOT(runItems()) );
connect(list, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(showMenu(const QPoint&)) );
QTimer::singleShot(1000,this, SLOT(updateContents()) ); //wait a second before loading contents
}
DesktopViewPlugin::~DesktopViewPlugin(){
}
void DesktopViewPlugin::runItems(){
QList<QListWidgetItem*> sel = list->selectedItems();
for(int i=0; i<sel.length(); i++){
LSession::LaunchApplication("lumina-open \""+sel[i]->whatsThis()+"\"");
}
}
void DesktopViewPlugin::copyItems(){
QList<QListWidgetItem*> sel = list->selectedItems();
if(sel.isEmpty()){ return; } //nothing selected
QStringList items;
//Format the data string
for(int i=0; i<sel.length(); i++){
items << "copy::::"+sel[i]->whatsThis();
}
//Now save that data to the global clipboard
QMimeData *dat = new QMimeData;
dat->clear();
dat->setData("x-special/lumina-copied-files", items.join("\n").toLocal8Bit());
QApplication::clipboard()->clear();
QApplication::clipboard()->setMimeData(dat);
}
void DesktopViewPlugin::cutItems(){
QList<QListWidgetItem*> sel = list->selectedItems();
if(sel.isEmpty()){ return; } //nothing selected
QStringList items;
//Format the data string
for(int i=0; i<sel.length(); i++){
items << "cut::::"+sel[i]->whatsThis();
}
//Now save that data to the global clipboard
QMimeData *dat = new QMimeData;
dat->clear();
dat->setData("x-special/lumina-copied-files", items.join("\n").toLocal8Bit());
QApplication::clipboard()->clear();
QApplication::clipboard()->setMimeData(dat);
}
void DesktopViewPlugin::deleteItems(){
QList<QListWidgetItem*> sel = list->selectedItems();
for(int i=0; i<sel.length(); i++){
if(QFileInfo(sel[i]->whatsThis()).isDir()){
QProcess::startDetached("rm -r \""+sel[i]->whatsThis()+"\"");
}else{
QFile::remove(sel[i]->whatsThis());
}
}
}
void DesktopViewPlugin::showMenu(const QPoint &pos){
//Make sure there is an item underneath the mouse first
if(list->itemAt(pos)!=0){
menu->popup(this->mapToGlobal(pos));
}else{
//Pass the context menu request on to the desktop (emit it from the plugin)
this->showPluginMenu();
//emit OpenDesktopMenu();
}
}
void DesktopViewPlugin::increaseIconSize(){
int icosize = this->readSetting("IconSize",64).toInt();
icosize+=16; //go in orders of 16 pixels
//list->setIconSize(QSize(icosize,icosize));
this->saveSetting("IconSize",icosize);
QTimer::singleShot(10, this, SLOT(updateContents()));
}
void DesktopViewPlugin::decreaseIconSize(){
int icosize = this->readSetting("IconSize",64).toInt();
if(icosize < 20){ return; } //too small to decrease more
icosize-=16; //go in orders of 16 pixels
//list->setIconSize(QSize(icosize,icosize));
this->saveSetting("IconSize",icosize);
QTimer::singleShot(10,this, SLOT(updateContents()));
}
void DesktopViewPlugin::updateContents(){
list->clear();
int icosize = this->readSetting("IconSize",64).toInt();
QSize gridSZ = QSize(qRound(1.8*icosize),icosize+4+(2*this->fontMetrics().height()) );
//qDebug() << "Icon Size:" << icosize <<"Grid Size:" << gridSZ.width() << gridSZ.height();
list->setGridSize(gridSZ);
list->setIconSize(QSize(icosize,icosize));
QDir dir(QDir::homePath()+"/Desktop");
QFileInfoList files = dir.entryInfoList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name | QDir::Type | QDir::DirsFirst);
for(int i=0; i<files.length(); i++){
QListWidgetItem *it = new QListWidgetItem;
it->setSizeHint(gridSZ); //ensure uniform item sizes
//it->setForeground(QBrush(Qt::black, Qt::Dense2Pattern)); //Try to use a font color which will always be visible
it->setTextAlignment(Qt::AlignCenter);
it->setWhatsThis(files[i].absoluteFilePath());
QString txt;
if(files[i].isDir()){
it->setIcon( LXDG::findIcon("folder","") );
txt = files[i].fileName();
}else if(files[i].suffix() == "desktop" ){
bool ok = false;
XDGDesktop desk = LXDG::loadDesktopFile(files[i].absoluteFilePath(), ok);
if(ok){
it->setIcon( LXDG::findIcon(desk.icon,"unknown") );
if(desk.name.isEmpty()){
txt = files[i].fileName();
}else{
txt = desk.name;
}
}else{
//Revert back to a standard file handling
it->setIcon( LXDG::findMimeIcon(files[i].fileName()) );
txt = files[i].fileName();
}
}else if(LUtils::imageExtensions().contains(files[i].suffix().toLower()) ){
it->setIcon( QIcon( QPixmap(files[i].absoluteFilePath()).scaled(icosize,icosize,Qt::IgnoreAspectRatio, Qt::SmoothTransformation) ) );
txt = files[i].fileName();
}else{
it->setIcon( LXDG::findMimeIcon( files[i].fileName() ) );
txt = files[i].fileName();
}
//Add the sym-link overlay to the icon as necessary
if(files[i].isSymLink()){
QImage img = it->icon().pixmap(QSize(icosize,icosize)).toImage();
int oSize = icosize/2; //overlay size
QPixmap overlay = LXDG::findIcon("emblem-symbolic-link").pixmap(oSize,oSize).scaled(oSize,oSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
QPainter painter(&img);
painter.drawPixmap(icosize-oSize,icosize-oSize,overlay); //put it in the bottom-right corner
it->setIcon( QIcon(QPixmap::fromImage(img)) );
}
//Now adjust the visible text as necessary based on font/grid sizing
it->setToolTip(txt);
if(this->fontMetrics().width(txt) > (gridSZ.width()-4) ){
//int dash = this->fontMetrics().width("-");
//Text too long, try to show it on two lines
txt = txt.section(" ",0,2).replace(" ","\n"); //First take care of any natural breaks
if(txt.contains("\n")){
//need to check each line
QStringList txtL = txt.split("\n");
for(int i=0; i<txtL.length(); i++){ txtL[i] = this->fontMetrics().elidedText(txtL[i], Qt::ElideRight, gridSZ.width()-4); }
txt = txtL.join("\n");
if(txtL.length()>2){ txt = txt.section("\n",0,1); } //only keep the first two lines
}else{
txt = this->fontMetrics().elidedText(txt,Qt::ElideRight, 2*(gridSZ.width()-4));
//Now split the line in half for the two lines
txt.insert( (txt.count()/2), "\n");
}
}else{
txt.append("\n "); //ensure two lines (2nd one invisible) - keeps formatting sane
}
it->setText(txt);
list->addItem(it);
if( (i%10) == 0){ QApplication::processEvents(); }//keep the UI snappy, every 10 items
}
list->setFlow(QListWidget::TopToBottom); //To ensure this is consistent - issues with putting it in the constructor
list->update(); //Re-paint the widget after all items are added
}
void DesktopViewPlugin::displayProperties(){
QList<QListWidgetItem*> sel = list->selectedItems();
for(int i=0; i<sel.length(); i++){
LSession::LaunchApplication("lumina-fileinfo \""+sel[i]->whatsThis());
}
}
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