Initial merge of the screensaver into the main lumina-desktop builds

1 files changed, 100 insertions, 0 deletions

diff --git a/src-qt5/core/lumina-desktop/src-screensaver/animations/Text.h b/src-qt5/core/lumina-desktop/src-screensaver/animations/Text.h
new file mode 100644
index 00000000..bdde5ba2
--- /dev/null
+++ b/src-qt5/core/lumina-desktop/src-screensaver/animations/Text.h
@@ -0,0 +1,100 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2015, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#ifndef _LUMINA_DESKTOP_SCREEN_SAVER_TEXT_ANIMATION_H
+#define _LUMINA_DESKTOP_SCREEN_SAVER_TEXT_ANIMATION_H
+
+#include "global-includes.h"
+#include "BaseAnimGroup.h"
+#include <QParallelAnimationGroup>
+#include <QtMath>
+
+#include <unistd.h>
+
+class Text: public QParallelAnimationGroup{
+	Q_OBJECT
+private:
+	QLabel *text;
+	QPropertyAnimation *movement;
+	QSize range;
+	QPoint v;
+	bool bounce;
+
+private slots:
+	void LoopChanged(){
+	  movement->setStartValue(movement->endValue());
+	  QPoint currLoc = movement->startValue().toPoint();
+	  bounce = !(currLoc.y() < 100 or currLoc.y() > range.height()-100 or currLoc.x() > range.width()-100 or currLoc.x() < 100);
+	  if((currLoc.y() < 10 or currLoc.y() > range.height()-40) and !bounce) {
+	    v.setY((v.y() * -1) + (qrand() % 20 - 10));
+	  }else if((currLoc.x() > range.width()-10 or currLoc.x() < 10) and !bounce) {
+	    v.setX((v.x() * -1) + (qrand() % 20 - 10));
+	  }
+	  currLoc.setX(currLoc.x() + v.x());
+	  currLoc.setY(currLoc.y() + v.y());
+	  movement->setEndValue(currLoc);
+	}
+	void stopped(){ qDebug() << "Text Stopped"; text->hide();}
+
+public:
+	Text(QWidget *parent, QString display) : QParallelAnimationGroup(parent){
+	  text = new QLabel(parent);
+	  range = parent->size();
+	  QPoint center = QRect( QPoint(0,0), parent->size()).center();
+
+	  QString color = "rgba(" + QString::number(qrand() % 206 + 50) + ", " + QString::number(qrand() % 206 + 50) + ", " + QString::number(qrand() % 206 + 50);
+	  text->setStyleSheet("QLabel {background-color: transparent; color: " + color + "); }");
+	  text->setFont(QFont("Courier", 24, QFont::Bold));
+	  text->setText(display);
+          QFontMetrics metrics(text->font());
+	  text->setMinimumSize(QSize( metrics.horizontalAdvance(text->text())+10, metrics.height()*text->text().count("\n") +10));
+
+	  movement = new QPropertyAnimation(text);
+	  movement->setPropertyName("pos");
+	  movement->setTargetObject(text);
+
+	  this->addAnimation(movement);
+	  text->show();
+	  v.setX((qrand() % 100 + 50) * qPow(-1, qrand() % 2));
+	  v.setY((qrand() % 100 + 50) * qPow(-1, qrand() % 2));
+	  movement->setStartValue(center);
+	  //Ensures the screensaver will not stop until the user wishes to login or it times out
+	  this->setLoopCount(200); //number of wall bounces
+	  movement->setDuration(200);
+	  movement->setEndValue(QPoint(qrand() % (int)range.height(), qrand() % range.width()));
+	  LoopChanged();  //load initial values
+
+	  connect(this, SIGNAL(currentLoopChanged(int)), this, SLOT(LoopChanged()) );
+	  connect(this, SIGNAL(finished()), this, SLOT(stopped()) );
+	}
+	~Text(){}
+
+};
+
+class TextAnimation : public BaseAnimGroup{
+	Q_OBJECT
+public:
+	TextAnimation(QWidget *parent) : BaseAnimGroup(parent){}
+	~TextAnimation(){
+	  this->stop();
+	}
+
+	void LoadAnimations(){
+	  canvas->setStyleSheet("background: black;");
+	  //Read off the text that needs to be displayed
+	  QString textToShow = readSetting("text", "").toString();
+	  if(textToShow.isEmpty()){
+ 	    char hname[300];
+            gethostname(hname, 300);
+            textToShow = QString::fromLocal8Bit(hname);
+	  }
+	  // Now create the animation
+	  Text *tmp = new Text(canvas, textToShow);
+	  this->addAnimation(tmp);
+	}
+
+};
+#endif