mirror of git://sigrok.org/pulseview
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/*
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* This file is part of the PulseView project.
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*
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* Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "colorbutton.hpp"
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#include <cassert>
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#include <QApplication>
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#include <QPainter>
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namespace pv {
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namespace widgets {
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const int ColorButton::SwatchMargin = 7;
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ColorButton::ColorButton(int rows, int cols, QWidget *parent) :
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QPushButton("", parent),
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popup_(rows, cols, this)
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{
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connect(this, SIGNAL(clicked(bool)), this, SLOT(on_clicked(bool)));
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connect(&popup_, SIGNAL(selected(int, int)),
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this, SLOT(on_selected(int, int)));
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}
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ColorPopup& ColorButton::popup()
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{
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return popup_;
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}
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const QColor& ColorButton::color() const
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{
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return cur_color_;
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}
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void ColorButton::set_color(QColor color)
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{
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cur_color_ = color;
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const unsigned int rows = popup_.well_array().numRows();
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const unsigned int cols = popup_.well_array().numCols();
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for (unsigned int r = 0; r < rows; r++)
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for (unsigned int c = 0; c < cols; c++)
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if (popup_.well_array().cellBrush(r, c).color() == color) {
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popup_.well_array().setSelected(r, c);
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popup_.well_array().setCurrent(r, c);
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return;
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}
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}
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void ColorButton::set_palette(const QColor *const palette)
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{
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assert(palette);
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const unsigned int rows = popup_.well_array().numRows();
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const unsigned int cols = popup_.well_array().numCols();
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for (unsigned int r = 0; r < rows; r++)
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for (unsigned int c = 0; c < cols; c++)
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popup_.well_array().setCellBrush(r, c,
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QBrush(palette[r * cols + c]));
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}
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void ColorButton::on_clicked(bool)
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{
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popup_.set_position(mapToGlobal(rect().center()), Popup::Bottom);
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popup_.show();
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}
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void ColorButton::on_selected(int row, int col)
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{
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cur_color_ = popup_.well_array().cellBrush(row, col).color();
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selected(cur_color_);
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}
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void ColorButton::paintEvent(QPaintEvent *event)
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{
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QPushButton::paintEvent(event);
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QPainter p(this);
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const QRect r = rect().adjusted(SwatchMargin, SwatchMargin,
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-SwatchMargin, -SwatchMargin);
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p.setPen(QApplication::palette().color(QPalette::Dark));
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p.setBrush(QBrush(cur_color_));
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p.drawRect(r);
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}
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} // namespace widgets
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} // namespace pv
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