X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fwidgets%2Fcolorbutton.cpp;fp=pv%2Fwidgets%2Fcolorbutton.cpp;h=c9230d9d6e350262874bdce9eba8dcd5b3c1c8ac;hp=0000000000000000000000000000000000000000;hb=641574bcc118be0b6dc3a65039ab3497f9d7241a;hpb=5e685656d6686eb66a39450d1b324f6382fc60c5

diff --git a/pv/widgets/colorbutton.cpp b/pv/widgets/colorbutton.cpp
new file mode 100644
index 0000000..c9230d9
--- /dev/null
+++ b/pv/widgets/colorbutton.cpp
@@ -0,0 +1,106 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "colorbutton.hpp"
+
+#include <cassert>
+
+#include <QApplication>
+#include <QPainter>
+
+namespace pv {
+namespace widgets {
+
+const int ColorButton::SwatchMargin = 7;
+
+ColorButton::ColorButton(int rows, int cols, QWidget *parent) :
+	QPushButton("", parent),
+	popup_(rows, cols, this)
+{
+	connect(this, SIGNAL(clicked(bool)), this, SLOT(on_clicked(bool)));
+	connect(&popup_, SIGNAL(selected(int, int)),
+		this, SLOT(on_selected(int, int)));
+}
+
+ColorPopup& ColorButton::popup()
+{
+	return popup_;
+}
+
+const QColor& ColorButton::color() const
+{
+	return cur_color_;
+}
+
+void ColorButton::set_color(QColor color)
+{
+	cur_color_ = color;
+
+	const unsigned int rows = popup_.well_array().numRows();
+	const unsigned int cols = popup_.well_array().numCols();
+
+	for (unsigned int r = 0; r < rows; r++)
+		for (unsigned int c = 0; c < cols; c++)
+			if (popup_.well_array().cellBrush(r, c).color() == color) {
+				popup_.well_array().setSelected(r, c);
+				popup_.well_array().setCurrent(r, c);
+				return;
+			}
+}
+
+void ColorButton::set_palette(const QColor *const palette)
+{
+	assert(palette);
+
+	const unsigned int rows = popup_.well_array().numRows();
+	const unsigned int cols = popup_.well_array().numCols();
+
+	for (unsigned int r = 0; r < rows; r++)
+		for (unsigned int c = 0; c < cols; c++)
+			popup_.well_array().setCellBrush(r, c,
+				QBrush(palette[r * cols + c]));
+}
+
+void ColorButton::on_clicked(bool)
+{
+	popup_.set_position(mapToGlobal(rect().center()), Popup::Bottom);
+	popup_.show();
+}
+
+void ColorButton::on_selected(int row, int col)
+{
+	cur_color_ = popup_.well_array().cellBrush(row, col).color();
+	selected(cur_color_);
+}
+
+void ColorButton::paintEvent(QPaintEvent *event)
+{
+	QPushButton::paintEvent(event);
+
+	QPainter p(this);
+
+	const QRect r = rect().adjusted(SwatchMargin, SwatchMargin,
+		-SwatchMargin, -SwatchMargin);
+	p.setPen(QApplication::palette().color(QPalette::Dark));
+	p.setBrush(QBrush(cur_color_));
+	p.drawRect(r);
+}
+
+}  // namespace widgets
+}  // namespace pv