Initial import of the lumina code from pcbsd git repo

1 files changed, 87 insertions, 0 deletions

diff --git a/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.cpp b/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.cpp
new file mode 100644
index 00000000..4c70d19f
--- /dev/null
+++ b/lumina-desktop/desktop-plugins/desktopview/DesktopViewPlugin.cpp
@@ -0,0 +1,87 @@
+//===========================================
+//  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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