Add the beginnings of the root desktop QML system. Not finished yet.

2 files changed, 115 insertions, 0 deletions

diff --git a/src-qt5/src-cpp/RootDesktopObject.cpp b/src-qt5/src-cpp/RootDesktopObject.cpp
new file mode 100644
index 00000000..088c88b7
--- /dev/null
+++ b/src-qt5/src-cpp/RootDesktopObject.cpp
@@ -0,0 +1,44 @@
+//===========================================
+//  Lumina-desktop source code
+//  Copyright (c) 2017, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#include "RootDesktopObject.h"
+
+// === PUBLIC ===
+RootDesktopObject::RootDesktopObject(QObject *parent = 0){
+  updateScreens(); //make sure the internal list is updated right away
+}
+
+RootDesktopObject::~RootDesktopObject(){
+
+}
+
+static RootDesktopObject* RootDesktopObject::instance(){
+  static RootDesktopObject* r_obj = new RootDesktopObject();
+  return r_obj;
+}
+
+//QML Read Functions
+QList<QScreen*> RootDesktopObject::screens(){
+  return ;
+}
+
+// === PUBLIC SLOTS ===
+void RootDesktopObject::updateScreens(){
+  QList<QScreen*> scrns = QApplication::screens();
+  QList<ScreenObject*> tmp; //copy of the internal array initially
+  for(int i=0; i<scrns.length(); i++){
+    bool found = false;
+    for(int j=0; j<s_objects.length() && !found; j++){
+      if(s_objects[j].name()==scrns.name()){ found = true; tmp << s_objects.takeAt(j); }
+    }
+    if(!found){ tmp << new ScreenObject(scrns[i], this); }
+  }
+  //Delete any leftover objects
+  for(int i=0; i<s_objects.length(); i++){ s_objects[i]->deleteLater(); }
+  s_objects = tmp;
+}
+
+// === PRIVATE ===
diff --git a/src-qt5/src-cpp/RootDesktopObject.h b/src-qt5/src-cpp/RootDesktopObject.h
new file mode 100644
index 00000000..08c15fa2
--- /dev/null
+++ b/src-qt5/src-cpp/RootDesktopObject.h
@@ -0,0 +1,71 @@
+//===========================================
+//  Lumina-desktop source code
+//  Copyright (c) 2017, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+// This is the base C++ object that is used to pass information to the QML "RootDesktop" object
+//===========================================
+#ifndef _LUMINA_DESKTOP_ROOT_DESKTOP_OBJECT_H
+#define _LUMINA_DESKTOP_ROOT_DESKTOP_OBJECT_H
+
+class ScreenObject : public QObject{
+	Q_OBJECT
+	Q_PROPERTY( QString name READ name )
+	Q_PROPERTY( QString background READ background NOTIFY backgroundChanged)
+	Q_PROPERTY( QScreen * screen READ screen)
+
+private:
+	QScreen* bg_screen;
+	QString bg;
+
+public
+	ScreenObject(QScreen *scrn, QObject *parent = 0) : QObject(parent){
+	  bg_screen = scrn;
+	}
+
+	QString name(){ return bg_screen->name(); }
+	QString background(){ return bg; }
+	QScreen* screen(){ return screen; }
+
+public slots:
+	void setBackground(QString fileOrColor){
+	  if(bg!=fileOrColor){
+	    bg = fileOrColor;
+	    emit backgroundChanged();
+	  }
+	}
+
+signals:
+	void backgroundChanged();
+};
+
+
+class RootDesktopObject : public QObject{
+	Q_OBJECT
+	//Define all the QML Properties here (interface between QML and the C++ methods below)
+	Q_PROPERTY( QList<ScreenObject*> screens READ screens NOTIFY screensChanged)
+
+public:
+	//main contructor/destructor
+	RootDesktopObject(QObject *parent = 0);
+	~RootDesktopObject();
+	//primary interface to fetch the current instance of the class (so only one is running at any given time)
+	static RootDesktopObject* instance();
+
+	//QML Read Functions
+	QList<ScreenObject*> screens();
+
+private:
+	QList<ScreenObject*> s_objects;
+
+public slots:
+	void updateScreens(); //rescan/update screen objects
+
+private slots:
+
+signals:
+	void screensChanged();
+
+};
+#endif