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c23b29d6 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
21 | #ifndef PULSEVIEW_PV_MARGINWIDGET_H | |
22 | #define PULSEVIEW_PV_MARGINWIDGET_H | |
23 | ||
786b7678 JH |
24 | #include <memory> |
25 | ||
f4433aa9 | 26 | #include <QPoint> |
c23b29d6 JH |
27 | #include <QWidget> |
28 | ||
29 | namespace pv { | |
30 | namespace view { | |
31 | ||
32 | class View; | |
786b7678 | 33 | class ViewItem; |
c23b29d6 JH |
34 | |
35 | class MarginWidget : public QWidget | |
36 | { | |
37 | Q_OBJECT | |
38 | ||
39 | public: | |
40 | MarginWidget(pv::view::View &parent); | |
41 | ||
819e2e95 JH |
42 | /** |
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. | |
46 | */ | |
47 | virtual QSize extended_size_hint() const = 0; | |
48 | ||
786b7678 JH |
49 | protected: |
50 | /** | |
51 | * Shows the popup of a the specified @c ViewItem . | |
52 | * @param item The item to show the popup for. | |
53 | */ | |
54 | void show_popup(const std::shared_ptr<ViewItem> &item); | |
55 | ||
19552bb8 JH |
56 | private: |
57 | void leaveEvent(QEvent *event); | |
58 | ||
e9213170 | 59 | public Q_SLOTS: |
84a0d458 | 60 | virtual void clear_selection(); |
a2ae0205 | 61 | |
e9213170 | 62 | Q_SIGNALS: |
b2a53645 JH |
63 | void selection_changed(); |
64 | ||
c23b29d6 | 65 | protected: |
8dbbc7f0 | 66 | pv::view::View &view_; |
f4433aa9 JH |
67 | QPoint mouse_point_; |
68 | QPoint mouse_down_point_; | |
f052f9cd | 69 | std::shared_ptr<ViewItem> mouse_down_item_; |
f4433aa9 | 70 | bool dragging_; |
c23b29d6 JH |
71 | }; |
72 | ||
73 | } // namespace view | |
74 | } // namespace pv | |
75 | ||
76 | #endif // PULSEVIEW_PV_MARGINWIDGET_H |