Update the new screensaver framework a bit, and add a replacement for the default "sample" screensaver: a "Fireflies" screensaver.

1 files changed, 101 insertions, 0 deletions

diff --git a/src-qt5/core/lumina-desktop-unified/src-screensaver/animations/Fireflies.h b/src-qt5/core/lumina-desktop-unified/src-screensaver/animations/Fireflies.h
new file mode 100644
index 00000000..4e5acc3c
--- /dev/null
+++ b/src-qt5/core/lumina-desktop-unified/src-screensaver/animations/Fireflies.h
@@ -0,0 +1,101 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2015, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+// This class is the sample plugin for a ScreenSaver animation
+//===========================================
+#ifndef _LUMINA_DESKTOP_SCREEN_SAVER_FIREFLIES_ANIMATION_H
+#define _LUMINA_DESKTOP_SCREEN_SAVER_FIREFLIES_ANIMATION_H
+
+#include "global-includes.h"
+#include "BaseAnimGroup.h"
+#include <QSequentialAnimationGroup>
+
+class Firefly : public QSequentialAnimationGroup{
+	Q_OBJECT
+private:
+	QWidget *fly;
+	QPropertyAnimation *movement, *flash;
+	int maxX, maxY; //maximum jitter in X/Y directions
+	QSize range;
+private slots:
+	void LoopChanged(){
+	    //Adjust the movement animation a bit
+	    movement->setStartValue(movement->endValue()); //start at the previous end point
+	    QPoint pt = movement->startValue().toPoint();
+	    QPoint diff( (qrand()% maxX) - (maxX/2), (qrand()% maxY) - (maxY/2) );
+	    //Need to ensure it stays in the current box
+	    if( (pt.x()+diff.x()) < 0 || (pt.x()+diff.x())>range.width()){ pt.setX(pt.x() - diff.x()); } //reverse the direction - otherwise will go out of bounds
+	    else{ pt.setX( pt.x() + diff.x() ); }
+	    if( (pt.y()+diff.y()) < 0 || (pt.y()+diff.y())>range.height()){ pt.setY(pt.y() - diff.y()); } //reverse the direction - otherwise will go out of bounds
+	    else{ pt.setY( pt.y() + diff.y() ); }
+	    movement->setEndValue(pt);
+	    movement->setDuration( qrand() %500 + 1000); //between 1000->1500 ms animations for movements
+	    //Adjust the flash duration/size a bit
+	    flash->setDuration(qrand() %300 + 700); //700-1000 ms
+	    int sz = qrand()%4 + 6; //6-10 pixel square
+	    flash->setKeyValueAt(0.5, QSize(sz,sz)); //half-way point for the flash
+	  fly->show();
+	}
+	void stopped(){ fly->hide(); }
+
+public:
+	Firefly(QWidget *parent) : QSequentialAnimationGroup(parent){
+	  fly = new QWidget(parent);
+	  range = parent->size();
+	  maxX = range.width()/4;  maxY = range.height()/4;
+	  fly->setStyleSheet("background-color: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5, stop:0 rgba(215, 215, 143, 255), stop:0.83871 rgba(221, 235, 64, 140), stop:1 rgba(0, 0, 0, 255));");
+	  //setup the movement animation
+	  movement = new QPropertyAnimation(fly);
+	  movement->setTargetObject(fly);
+	  movement->setPropertyName("pos");
+	  movement->setEndValue( QPoint( qrand() % range.width(), qrand()%range.height()) ); //on anim start, this will become the starting point
+	  //setup the flashing animation
+	  flash = new QPropertyAnimation(fly);
+	  flash->setTargetObject(fly);
+	  flash->setPropertyName("size");
+	  flash->setStartValue(QSize(2,2));
+	  flash->setEndValue(flash->startValue());
+	  //now setup the order of the animations
+	  this->setLoopCount(100); //do this 100 times
+	  this->addAnimation(movement);
+	  this->addAnimation(flash);
+	  //Start up this firefly
+	  LoopChanged();  //load initial values
+	  fly->setGeometry( QRect(movement->startValue().toPoint(), flash->startValue().toSize()) );
+	  connect(this, SIGNAL(currentLoopChanged(int)), this, SLOT(LoopChanged()) );
+	  connect(this, SIGNAL(finished()), this, SLOT(stopped()) );
+	}
+	~Firefly(){}
+
+};
+
+class FirefliesAnimation : public BaseAnimGroup{
+	Q_OBJECT
+private:
+	QList<Firefly*> fireflies;
+
+public:
+	FirefliesAnimation(QWidget *parent, QSettings *set) : BaseAnimGroup(parent, set){}
+	~FirefliesAnimation(){ 
+	  this->stop(); 
+	  //while(fireflies.length()>0){ fireflies.takeAt(0)->deleteLater(); }
+	}
+		
+	void LoadAnimations(){
+	  while(fireflies.length()>0){ fireflies.takeAt(0)->deleteLater(); }
+	  canvas->setStyleSheet("background: black;");
+	  int number = settings->value("fireflies/number",100).toInt();
+	  for(int i=0; i<number; i++){
+            if(fireflies.length()>number){ continue; }
+	    Firefly *tmp = new Firefly(canvas);
+	    this->addAnimation(tmp);
+	    fireflies << tmp;
+	  }
+	  while( fireflies.length()>number){ fireflies.takeAt(number)->deleteLater(); }
+	}
+
+};
+#endif