+++ /dev/null
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2015 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <algorithm>
-
-#include <QRadialGradient>
-
-#include "signal.hpp"
-#include "signalscalehandle.hpp"
-#include "tracetreeitemowner.hpp"
-
-using std::max;
-using std::min;
-
-namespace pv {
-namespace view {
-
-SignalScaleHandle::SignalScaleHandle(Signal &owner) :
- owner_(owner)
-{
-}
-
-bool SignalScaleHandle::enabled() const
-{
- return selected() || owner_.selected();
-}
-
-void SignalScaleHandle::select(bool select)
-{
- ViewItem::select(select);
- owner_.owner()->row_item_appearance_changed(true, true);
-}
-
-void SignalScaleHandle::drag_release()
-{
- RowItem::drag_release();
- owner_.scale_handle_released();
- owner_.owner()->row_item_appearance_changed(true, true);
-}
-
-void SignalScaleHandle::drag_by(const QPoint &delta)
-{
- owner_.scale_handle_dragged(
- drag_point_.y() + delta.y() - owner_.get_visual_y());
- owner_.owner()->row_item_appearance_changed(true, true);
-}
-
-QPoint SignalScaleHandle::point(const QRect &rect) const
-{
- return owner_.point(rect) + QPoint(0, owner_.scale_handle_offset());
-}
-
-QRectF SignalScaleHandle::hit_box_rect(const ViewItemPaintParams &pp) const
-{
- const int text_height = ViewItemPaintParams::text_height();
- const double x = -pp.pixels_offset() - text_height / 2;
- const double min_x = pp.left() + text_height;
- const double max_x = pp.right() - text_height * 2;
- return QRectF(min(max(x, min_x), max_x),
- owner_.get_visual_y() + owner_.scale_handle_offset() -
- text_height / 2,
- text_height, text_height);
-}
-
-void SignalScaleHandle::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
-{
- if (!enabled())
- return;
-
- const QRectF r(hit_box_rect(pp));
- const QPointF c = (r.topLeft() + 2 * r.center()) / 3;
- QRadialGradient gradient(c, r.width(), c);
-
- if (selected()) {
- gradient.setColorAt(0.0, QColor(255, 255, 255));
- gradient.setColorAt(0.75, QColor(192, 192, 192));
- gradient.setColorAt(1.0, QColor(128, 128, 128));
- } else {
- gradient.setColorAt(0.0, QColor(192, 192, 192));
- gradient.setColorAt(0.75, QColor(128, 128, 128));
- gradient.setColorAt(1.0, QColor(128, 128, 128));
- }
-
- p.setBrush(QBrush(gradient));
- p.setPen(QColor(128, 128, 128));
- p.drawEllipse(r);
-}
-
-} // view
-} // pv