Update a bunch of icons in the desktop session, and also add a few abilities to the desktopview plugin:

1) Multi-item selection
2) cut/copy files to clipboard
3) delete files
4) increase/decrease icon sizes

3 files changed, 119 insertions, 7 deletions

diff --git a/lumina-desktop/desktop-plugins/LDPlugin.h b/lumina-desktop/desktop-plugins/LDPlugin.h
index 0e1f6847..9660a85c 100644
--- a/lumina-desktop/desktop-plugins/LDPlugin.h
+++ b/lumina-desktop/desktop-plugins/LDPlugin.h
@@ -68,6 +68,10 @@ public slots:
 	  //This needs to be re-implemented in the subclassed plugin
 	    //This is where all the visuals are set if using Theme-dependant icons.
 	}
+	
+signals:
+	void OpenDesktopMenu();
+	
 };
 
 #endif
\ No newline at end of file
diff --git a/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.cpp b/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.cpp
index 018f96e8..0aa4a3de 100644
--- a/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.cpp
+++ b/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.cpp
@@ -2,6 +2,8 @@
 
 #include <QFileInfo>
 #include <QDir>
+#include <QClipboard>
+#include <QMimeData>
 
 #include <LuminaXDG.h>
 #include "LSession.h"
@@ -17,17 +19,31 @@ DesktopViewPlugin::DesktopViewPlugin(QWidget* parent, QString ID) : LDPlugin(par
     list->setBatchSize(10); //keep it snappy
     list->setSpacing(2);
     list->setSelectionBehavior(QAbstractItemView::SelectItems);
-    list->setSelectionMode(QAbstractItemView::NoSelection);
+    list->setSelectionMode(QAbstractItemView::ExtendedSelection);
     list->setStyleSheet( "QListWidget{ background: transparent; border: none; }" );
-    list->setIconSize(QSize(64,64));
+    int icosize = settings->value("IconSize",64).toInt();
+    list->setIconSize(QSize(icosize,icosize));
     list->setUniformItemSizes(true);
+    list->setContextMenuPolicy(Qt::CustomContextMenu);
+	
+  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()) );
   this->layout()->addWidget(list);
   this->setInitialSize(600,600);
   watcher = new QFileSystemWatcher(this);
     watcher->addPath(QDir::homePath()+"/Desktop");
     connect(watcher, SIGNAL(directoryChanged(QString)), this, SLOT(updateContents()) );
 	
-  connect(list, SIGNAL(itemDoubleClicked(QListWidgetItem*)), this, SLOT(runItem(QListWidgetItem*)) );
+  connect(list, SIGNAL(itemActivated(QListWidgetItem*)), this, SLOT(runItems()) );
+  connect(list, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(showMenu(const QPoint&)) );
   QTimer::singleShot(0,this, SLOT(updateContents()) );
 }
 
@@ -35,13 +51,83 @@ DesktopViewPlugin::~DesktopViewPlugin(){
 
 }
 
-void DesktopViewPlugin::runItem(QListWidgetItem *item){
-    LSession::LaunchApplication("lumina-open \""+item->whatsThis()+"\"");
+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++){
+    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(pos);
+  }else{
+    //Pass the context menu request on to the desktop (emit it from the plugin)
+    emit OpenDesktopMenu();
+  }
+}
+
+void DesktopViewPlugin::increaseIconSize(){
+  int icosize = settings->value("IconSize",64).toInt();
+  icosize+=16; //go in orders of 16 pixels
+  list->setIconSize(QSize(icosize,icosize));
+  settings->setValue("IconSize",icosize);
+  updateContents();
+}
+
+void DesktopViewPlugin::decreaseIconSize(){
+  int icosize = settings->value("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));
+  settings->setValue("IconSize",icosize);	
+  updateContents();
 }
 
 void DesktopViewPlugin::updateContents(){
   list->clear();
-  list->setGridSize(QSize(80,70+this->fontMetrics().height()));
+  int icosize = settings->value("IconSize",64).toInt();
+  list->setGridSize(QSize(icosize+8,icosize+4+this->fontMetrics().height()));
   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++){
diff --git a/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.h b/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.h
index 6ec35276..61e1caf9 100644
--- a/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.h
+++ b/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.h
@@ -13,6 +13,8 @@
 #include <QVBoxLayout>
 #include <QTimer>
 #include <QFileSystemWatcher>
+#include <QMouseEvent>
+
 #include "../LDPlugin.h"
 
 class DesktopViewPlugin : public LDPlugin{
@@ -24,9 +26,16 @@ public:
 private:
 	QListWidget *list;
 	QFileSystemWatcher *watcher;
+	QMenu *menu;
 
 private slots:
-	void runItem(QListWidgetItem*);
+	void runItems();
+	void copyItems();
+	void cutItems();
+	void deleteItems();
+	void showMenu(const QPoint&);
+	void increaseIconSize();
+	void decreaseIconSize();
 	void updateContents();
 
 
@@ -37,6 +46,19 @@ public slots:
 	void ThemeChange(){
 	  QTimer::singleShot(0,this, SLOT(updateContents()));
 	}
+	
+/*protected:
+	void mousePressEvent(QMouseEvent *ev){
+	  if(ev->button()==Qt::RightButton){
+	    qDebug() << " - got mouse event";
+	    //Only show the context menu if an item is under the mouse (don't block the desktop menu)
+	    if(list->itemAt( ev->globalPos()) !=0){
+	      ev->accept();
+	      showMenu(ev->globalPos());
+	    }
+	  }
+	}
+	*/
 
 };
 #endif