1 files changed, 92 insertions, 0 deletions
diff --git a/src/libpcp_qed/src/qed_line.cpp b/src/libpcp_qed/src/qed_line.cpp
new file mode 100644
index 0000000..51e8573
--- /dev/null
+++ b/src/libpcp_qed/src/qed_line.cpp
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2013-2014, Red Hat.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include <QWidget>
+#include "qed_line.h"
+
+QedLine::QedLine(QWidget *parent, qreal length) : QedGadget(parent)
+{
+    setup();
+    my.box = QRect(0, 0, length, 1);
+    my.length = length * 1.0;
+}
+
+QedLine::QedLine(QWidget *parent, int x, int y, int w, int h) : QedGadget(parent)
+{
+    setup();
+    my.box = QRect(x, y, w, h);
+    my.length = QLineF(QLine(x, y, w, h)).length();
+}
+
+QedLine::QedLine(QWidget *parent, int length, Qt::Orientation oriented) : QedGadget(parent)
+{
+    setup();
+    my.oriented = oriented;
+    my.box = QRect(0, 0, length, 1);
+    my.length = 1.0 * length;
+}
+
+void
+QedLine::setup(void)
+{
+    const qreal baseBound = 32.0;
+    const int iBaseBound = (int)(baseBound+0.5);
+    my.oriented = Qt::Horizontal;
+    my.bound = baseBound;
+    setMinimumSize(iBaseBound, iBaseBound);
+    setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+}
+
+void
+QedLine::resizeEvent(QResizeEvent *event)
+{
+    QSize size = event->size();
+    my.bound = qMin(size.height(), size.width());
+}
+
+void
+QedLine::paintEvent(QPaintEvent *event)
+{
+    qreal lowerInset, upperInset, radius = my.bound / 16.0;
+    (void)event;
+
+    QPainterPath mainSquarePath;
+    lowerInset = 0.3 * my.bound;
+    upperInset = (my.bound * my.length) - (lowerInset * 2.0);
+    QRectF mainBox(lowerInset, lowerInset,
+		   upperInset, my.bound - (lowerInset * 2.0));
+    mainSquarePath.addRoundedRect(mainBox, radius, radius);
+    mainSquarePath.closeSubpath();
+    QLinearGradient mainGradient(0, 0, 0, 1.0 * my.bound);
+    mainGradient.setColorAt(0.0, Qt::lightGray);
+    mainGradient.setColorAt(1.0, Qt::darkGray);
+
+    QPainterPath reflectSquarePath;
+    QRectF reflectBox(0.13538 * my.bound, 0.12969 * my.bound,
+		      0.73084 * my.bound, 0.48615 * my.bound);
+    reflectSquarePath.addRoundedRect(reflectBox, radius, radius);
+    reflectSquarePath.closeSubpath();
+    QLinearGradient reflectGradient(0, 0, 0, 1.22953 * my.bound);
+    reflectGradient.setColorAt(0.0, Qt::white);
+    reflectGradient.setColorAt(1.0, Qt::gray);
+
+    QPainter painter(this);
+    painter.setRenderHint(QPainter::Antialiasing);
+    painter.setPen(Qt::NoPen);
+
+    painter.setBrush(mainGradient);
+    painter.drawPath(mainSquarePath);
+    painter.setBrush(reflectGradient);
+    painter.drawPath(reflectSquarePath);
+}