2 * This file is part of the PulseView project.
4 * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef PULSEVIEW_PV_MARGINWIDGET_H
22 #define PULSEVIEW_PV_MARGINWIDGET_H
35 class MarginWidget : public QWidget
40 MarginWidget(pv::view::View &parent);
43 * The extended area that the margin widget would like to be sized to.
44 * @remarks This area is the area specified by sizeHint, extended by
45 * the area to overlap the viewport.
47 virtual QSize extended_size_hint() const = 0;
51 * Gets the items in the margin widget.
53 virtual std::vector< std::shared_ptr<pv::view::ViewItem> > items() = 0;
56 * Gets the first view item which has a label that contains @c pt .
57 * @param pt the point to search with.
58 * @return the view item that has been found, or and empty
59 * @c shared_ptr if no item was found.
61 virtual std::shared_ptr<pv::view::ViewItem> get_mouse_over_item(
62 const QPoint &pt) = 0;
65 * Shows the popup of a the specified @c ViewItem .
66 * @param item The item to show the popup for.
68 void show_popup(const std::shared_ptr<ViewItem> &item);
71 void leaveEvent(QEvent *event);
74 virtual void clear_selection();
77 void selection_changed();
80 pv::view::View &view_;
82 QPoint mouse_down_point_;
83 std::shared_ptr<ViewItem> mouse_down_item_;
90 #endif // PULSEVIEW_PV_MARGINWIDGET_H