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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <extdef.h> | |
21 | ||
22 | #include <algorithm> | |
23 | #include <cassert> | |
24 | ||
25 | #include <QMenu> | |
26 | #include <QPainter> | |
27 | ||
28 | #include "tracegroup.hpp" | |
29 | ||
30 | using std::any_of; | |
31 | using std::pair; | |
32 | using std::shared_ptr; | |
33 | using std::vector; | |
34 | ||
35 | namespace pv { | |
36 | namespace views { | |
37 | namespace trace { | |
38 | ||
39 | const int TraceGroup::Padding = 8; | |
40 | const int TraceGroup::Width = 12; | |
41 | const int TraceGroup::LineThickness = 5; | |
42 | const QColor TraceGroup::LineColor(QColor(0x55, 0x57, 0x53)); | |
43 | ||
44 | TraceGroup::~TraceGroup() | |
45 | { | |
46 | owner_ = nullptr; | |
47 | clear_child_items(); | |
48 | } | |
49 | ||
50 | bool TraceGroup::enabled() const | |
51 | { | |
52 | return any_of(child_items().begin(), child_items().end(), | |
53 | [](const shared_ptr<ViewItem> &r) { return r->enabled(); }); | |
54 | } | |
55 | ||
56 | pv::Session& TraceGroup::session() | |
57 | { | |
58 | assert(owner_); | |
59 | return owner_->session(); | |
60 | } | |
61 | ||
62 | const pv::Session& TraceGroup::session() const | |
63 | { | |
64 | assert(owner_); | |
65 | return owner_->session(); | |
66 | } | |
67 | ||
68 | View* TraceGroup::view() | |
69 | { | |
70 | assert(owner_); | |
71 | return owner_->view(); | |
72 | } | |
73 | ||
74 | const View* TraceGroup::view() const | |
75 | { | |
76 | assert(owner_); | |
77 | return owner_->view(); | |
78 | } | |
79 | ||
80 | pair<int, int> TraceGroup::v_extents() const | |
81 | { | |
82 | return TraceTreeItemOwner::v_extents(); | |
83 | } | |
84 | ||
85 | void TraceGroup::paint_label(QPainter &p, const QRect &rect, bool hover) | |
86 | { | |
87 | const QRectF r = label_rect(rect).adjusted( | |
88 | LineThickness / 2.0, LineThickness / 2.0, | |
89 | -LineThickness / 2.0, -LineThickness / 2.0); | |
90 | ||
91 | // Paint the label | |
92 | const QPointF points[] = { | |
93 | r.topRight(), | |
94 | r.topLeft(), | |
95 | r.bottomLeft(), | |
96 | r.bottomRight() | |
97 | }; | |
98 | ||
99 | if (selected()) { | |
100 | const QPen pen(highlight_pen()); | |
101 | p.setPen(QPen(pen.brush(), pen.width() + LineThickness, | |
102 | Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin)); | |
103 | p.setBrush(Qt::transparent); | |
104 | p.drawPolyline(points, countof(points)); | |
105 | } | |
106 | ||
107 | p.setPen(QPen(QBrush(LineColor.darker()), LineThickness, | |
108 | Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin)); | |
109 | p.drawPolyline(points, countof(points)); | |
110 | p.setPen(QPen(QBrush(hover ? LineColor.lighter() : LineColor), | |
111 | LineThickness - 2, Qt::SolidLine, Qt::SquareCap, | |
112 | Qt::RoundJoin)); | |
113 | p.drawPolyline(points, countof(points)); | |
114 | } | |
115 | ||
116 | QRectF TraceGroup::label_rect(const QRectF &rect) const | |
117 | { | |
118 | QRectF child_rect; | |
119 | for (const shared_ptr<ViewItem>& r : child_items()) | |
120 | if (r && r->enabled()) | |
121 | child_rect = child_rect.united(r->label_rect(rect)); | |
122 | ||
123 | return QRectF(child_rect.x() - Width - Padding, child_rect.y(), | |
124 | Width, child_rect.height()); | |
125 | } | |
126 | ||
127 | bool TraceGroup::pt_in_label_rect(int left, int right, const QPoint &point) | |
128 | { | |
129 | (void)left; | |
130 | (void)right; | |
131 | (void)point; | |
132 | ||
133 | return false; | |
134 | } | |
135 | ||
136 | QMenu* TraceGroup::create_header_context_menu(QWidget *parent) | |
137 | { | |
138 | QMenu *const menu = new QMenu(parent); | |
139 | ||
140 | QAction *const ungroup = new QAction(tr("Ungroup"), this); | |
141 | ungroup->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_U)); | |
142 | connect(ungroup, SIGNAL(triggered()), this, SLOT(on_ungroup())); | |
143 | menu->addAction(ungroup); | |
144 | ||
145 | return menu; | |
146 | } | |
147 | ||
148 | pv::widgets::Popup* TraceGroup::create_popup(QWidget *parent) | |
149 | { | |
150 | (void)parent; | |
151 | return nullptr; | |
152 | } | |
153 | ||
154 | int TraceGroup::owner_visual_v_offset() const | |
155 | { | |
156 | return owner_ ? visual_v_offset() + owner_->owner_visual_v_offset() : 0; | |
157 | } | |
158 | ||
159 | unsigned int TraceGroup::depth() const | |
160 | { | |
161 | return owner_ ? owner_->depth() + 1 : 0; | |
162 | } | |
163 | ||
164 | void TraceGroup::ungroup() | |
165 | { | |
166 | const vector<shared_ptr<TraceTreeItem>> items(trace_tree_child_items()); | |
167 | clear_child_items(); | |
168 | ||
169 | for (const shared_ptr<TraceTreeItem>& r : items) | |
170 | owner_->add_child_item(r); | |
171 | ||
172 | owner_->remove_child_item(shared_from_this()); | |
173 | } | |
174 | ||
175 | void TraceGroup::on_ungroup() | |
176 | { | |
177 | ungroup(); | |
178 | } | |
179 | ||
180 | void TraceGroup::row_item_appearance_changed(bool label, bool content) | |
181 | { | |
182 | if (owner_) | |
183 | owner_->row_item_appearance_changed(label, content); | |
184 | } | |
185 | ||
186 | void TraceGroup::extents_changed(bool horz, bool vert) | |
187 | { | |
188 | if (owner_) | |
189 | owner_->extents_changed(horz, vert); | |
190 | } | |
191 | ||
192 | } // namespace trace | |
193 | } // namespace views | |
194 | } // namespace pv |