1 files changed, 170 insertions, 0 deletions
diff --git a/src/libpcp_qed/src/qed_colorpicker.h b/src/libpcp_qed/src/qed_colorpicker.h
new file mode 100644
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+++ b/src/libpcp_qed/src/qed_colorpicker.h
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+/*
+** Copyright (C) 2014 Red Hat.
+** Copyright (C) 1999-2007 Trolltech AS.  All rights reserved.
+**
+** This file is derived from part of the QtGui module of the Qt Toolkit.
+**
+** This file may be used under the terms of the GNU General Public
+** License version 2.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of
+** this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+** http://www.trolltech.com/products/qt/opensource.html
+**
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://www.trolltech.com/products/qt/licensing.html or contact the
+** sales department at sales@trolltech.com.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**/
+#ifndef QED_COLORPICKER_H
+#define QED_COLORPICKER_H
+
+#include <QFrame>
+#include <QLabel>
+#include <QSpinBox>
+#include <QLineEdit>
+#include <QValidator>
+#include <QDragEnterEvent>
+#include <QDropEvent>
+#include <QMouseEvent>
+#include <QPaintEvent>
+#include <QDragLeaveEvent>
+
+static inline void rgb2hsv(QRgb rgb, int &h, int &s, int &v)
+{
+    QColor c;
+    c.setRgb(rgb);
+    c.getHsv(&h, &s, &v);
+}
+
+class QedColorPicker : public QFrame
+{
+    Q_OBJECT
+public:
+    QedColorPicker(QWidget* parent);
+    ~QedColorPicker();
+
+public slots:
+    void setCol(int h, int s);
+
+Q_SIGNALS:
+    void newCol(int h, int s);
+
+protected:
+    QSize sizeHint() const;
+    void paintEvent(QPaintEvent *);
+    void mouseMoveEvent(QMouseEvent *);
+    void mousePressEvent(QMouseEvent *);
+
+private:
+    int hue;
+    int sat;
+
+    QPoint colPt();
+    int huePt(const QPoint &pt);
+    int satPt(const QPoint &pt);
+    void setCol(const QPoint &pt);
+
+    QPixmap *pix;
+};
+
+class QedColorLuminancePicker : public QWidget
+{
+    Q_OBJECT
+public:
+    QedColorLuminancePicker(QWidget* parent);
+    ~QedColorLuminancePicker();
+
+public slots:
+    void setCol(int h, int s, int v);
+    void setCol(int h, int s);
+
+Q_SIGNALS:
+    void newHsv(int h, int s, int v);
+
+protected:
+    void paintEvent(QPaintEvent *);
+    void mouseMoveEvent(QMouseEvent *);
+    void mousePressEvent(QMouseEvent *);
+
+private:
+    enum { foff = 3, coff = 4 }; //frame and contents offset
+    int val;
+    int hue;
+    int sat;
+
+    int y2val(int y);
+    int val2y(int val);
+    void setVal(int v);
+
+    QPixmap *pix;
+};
+
+class QedColSpinBox : public QSpinBox
+{
+public:
+    QedColSpinBox(QWidget *parent)
+	: QSpinBox(parent) { setRange(0, 255); }
+    void setValue(int i) {
+	bool block = signalsBlocked();
+	blockSignals(true);
+	QSpinBox::setValue(i);
+	blockSignals(block);
+    }
+};
+
+class QedColLineEdit : public QLineEdit
+{
+    Q_OBJECT
+
+public:
+    QedColLineEdit(QWidget *parent);
+
+public slots:
+    void setColor(QColor c);
+    void setCol(int h, int s, int v);
+    void textEdited(const QString &text);
+
+Q_SIGNALS:
+    void newColor(QColor c);
+
+private:
+    QColor col;
+};
+
+class QedColorShowLabel : public QFrame
+{
+    Q_OBJECT
+
+public:
+    QedColorShowLabel(QWidget *parent) : QFrame(parent) {
+	setFrameStyle(QFrame::Panel|QFrame::Sunken);
+	setAcceptDrops(true);
+	mousePressed = false;
+    }
+    void setColor(QColor c) { col = c; update(); }
+
+Q_SIGNALS:
+    void colorDropped(QRgb);
+
+protected:
+    void paintEvent(QPaintEvent *e);
+    void mousePressEvent(QMouseEvent *e);
+    void mouseMoveEvent(QMouseEvent *e);
+    void mouseReleaseEvent(QMouseEvent *e);
+#ifndef QT_NO_DRAGANDDROP
+    void dragEnterEvent(QDragEnterEvent *e);
+    void dragLeaveEvent(QDragLeaveEvent *e);
+    void dropEvent(QDropEvent *e);
+#endif
+
+private:
+    QColor col;
+    bool mousePressed;
+    QPoint pressPos;
+};
+
+#endif	/* QED_COLORPICKER_H */