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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 | #include "viewitem.hpp" | |
22 | ||
23 | #include <climits> | |
24 | ||
25 | #include <QApplication> | |
26 | #include <QMenu> | |
27 | #include <QPalette> | |
28 | ||
29 | namespace pv { | |
30 | namespace view { | |
31 | ||
32 | const QSizeF ViewItem::LabelPadding(4, 0); | |
33 | const int ViewItem::HighlightRadius = 3; | |
34 | ||
35 | ViewItem::ViewItem() : | |
36 | context_parent_(NULL), | |
37 | selected_(false), | |
38 | drag_point_(INT_MIN, INT_MIN) | |
39 | { | |
40 | } | |
41 | ||
42 | bool ViewItem::selected() const | |
43 | { | |
44 | return selected_; | |
45 | } | |
46 | ||
47 | void ViewItem::select(bool select) | |
48 | { | |
49 | selected_ = select; | |
50 | } | |
51 | ||
52 | bool ViewItem::dragging() const | |
53 | { | |
54 | return drag_point_.x() != INT_MIN && drag_point_.y() != INT_MIN; | |
55 | } | |
56 | ||
57 | QPoint ViewItem::drag_point() const | |
58 | { | |
59 | return drag_point_; | |
60 | } | |
61 | ||
62 | void ViewItem::drag() | |
63 | { | |
64 | drag_point_ = point(); | |
65 | } | |
66 | ||
67 | void ViewItem::drag_release() | |
68 | { | |
69 | drag_point_ = QPoint(INT_MIN, INT_MIN); | |
70 | } | |
71 | ||
72 | QMenu* ViewItem::create_context_menu(QWidget *parent) | |
73 | { | |
74 | context_parent_ = parent; | |
75 | return new QMenu(parent); | |
76 | } | |
77 | ||
78 | void ViewItem::delete_pressed() | |
79 | { | |
80 | } | |
81 | ||
82 | QPen ViewItem::highlight_pen() | |
83 | { | |
84 | return QPen(QApplication::palette().brush( | |
85 | QPalette::Highlight), HighlightRadius * 2, | |
86 | Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin); | |
87 | } | |
88 | ||
89 | void ViewItem::paint_back(QPainter &p, const ViewItemPaintParams &pp) | |
90 | { | |
91 | (void)p; | |
92 | (void)pp; | |
93 | } | |
94 | ||
95 | void ViewItem::paint_mid(QPainter &p, const ViewItemPaintParams &pp) | |
96 | { | |
97 | (void)p; | |
98 | (void)pp; | |
99 | } | |
100 | ||
101 | void ViewItem::paint_fore(QPainter &p, const ViewItemPaintParams &pp) | |
102 | { | |
103 | (void)p; | |
104 | (void)pp; | |
105 | } | |
106 | ||
107 | QColor ViewItem::select_text_colour(QColor background) | |
108 | { | |
109 | return (background.lightness() > 64) ? Qt::black : Qt::white; | |
110 | } | |
111 | ||
112 | } // namespace view | |
113 | } // namespace pv |