Move qt-ui to desktop-widgets

Since we have now destkop and mobile versions, 'qt-ui' was a very
poor name choice for a folder that contains only destkop-enabled
widgets.

Also, move the graphicsview-common.h/cpp to subsurface-core because
it doesn't depend on qgraphicsview, it merely implements all the
colors that we use throughout Subsurface, and we will use colors on both
desktop and mobile versions

Same thing applies for metrics.h/cpp

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 103 insertions, 0 deletions

diff --git a/desktop-widgets/qtwaitingspinner.h b/desktop-widgets/qtwaitingspinner.h
new file mode 100644
index 000000000..254b52ec7
--- /dev/null
+++ b/desktop-widgets/qtwaitingspinner.h
@@ -0,0 +1,103 @@
+/* Original Work Copyright (c) 2012-2014 Alexander Turkin
+   Modified 2014 by William Hallatt
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+#ifndef QTWAITINGSPINNER_H
+#define QTWAITINGSPINNER_H
+
+#include <QWidget>
+
+#include <QTimer>
+#include <QColor>
+
+class QtWaitingSpinner : public QWidget {
+  Q_OBJECT
+public:
+  /*! Constructor for "standard" widget behaviour - use this
+   * constructor if you wish to, e.g. embed your widget in another. */
+  QtWaitingSpinner(QWidget *parent = 0);
+
+  /*! Constructor - use this constructor to automatically create a modal
+   * ("blocking") spinner on top of the calling widget/window.  If a valid
+   * parent widget is provided, "centreOnParent" will ensure that
+   * QtWaitingSpinner automatically centres itself on it, if not,
+   * "centreOnParent" is ignored. */
+  QtWaitingSpinner(Qt::WindowModality modality, QWidget *parent = 0,
+				   bool centreOnParent = true);
+
+public Q_SLOTS:
+  void start();
+  void stop();
+
+public:
+  void setColor(QColor color);
+  void setRoundness(qreal roundness);
+  void setMinimumTrailOpacity(qreal minOpacity);
+  void setTrailFadePercentage(qreal trail);
+  void setRevolutionsPerSecond(int rps);
+  void setNumberOfLines(int lines);
+  void setLineLength(int length);
+  void setLineWidth(int width);
+  void setInnerRadius(int radius);
+
+  bool isSpinning() const;
+
+private Q_SLOTS:
+  void rotate();
+
+protected:
+  void paintEvent(QPaintEvent *ev);
+
+private:
+  static int calculateTimerInterval(int lines, int speed);
+  static int lineCountDistanceFromPrimary(int current, int primary,
+										  int totalNrOfLines);
+  static QColor currentLineColor(int distance, int totalNrOfLines,
+								 qreal trailFadePerc, qreal minOpacity,
+								 QColor color);
+
+  void initialise();
+  void updateSize();
+  void updateTimer();
+  void updatePosition();
+
+private:
+  // Configurable settings.
+  QColor m_color;
+  qreal m_roundness; // 0..100
+  qreal m_minTrailOpacity;
+  qreal m_trailFadePercentage;
+  int m_revPerSec; // revolutions per second
+  int m_numberOfLines;
+  int m_lineLength;
+  int m_lineWidth;
+  int m_innerRadius;
+
+private:
+  QtWaitingSpinner(const QtWaitingSpinner&);
+  QtWaitingSpinner& operator=(const QtWaitingSpinner&);
+
+  QTimer *m_timer;
+  QWidget *m_parent;
+  bool m_centreOnParent;
+  int m_currentCounter;
+  bool m_isSpinning;
+};
+
+#endif // QTWAITINGSPINNER_H