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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 <extdef.h> | |
22 | #include <assert.h> | |
23 | ||
24 | #include <algorithm> | |
25 | ||
26 | #include <QMenu> | |
27 | #include <QPainter> | |
28 | ||
29 | #include "tracegroup.hpp" | |
30 | ||
31 | using std::pair; | |
32 | using std::shared_ptr; | |
33 | using std::vector; | |
34 | ||
35 | namespace pv { | |
36 | namespace views { | |
37 | namespace TraceView { | |
38 | ||
39 | const int TraceGroup::Padding = 8; | |
40 | const int TraceGroup::Width = 12; | |
41 | const int TraceGroup::LineThickness = 5; | |
42 | const QColor TraceGroup::LineColour(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 std::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, LineThickness / 2, | |
89 | -LineThickness / 2, -LineThickness / 2); | |
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(LineColour.darker()), LineThickness, | |
108 | Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin)); | |
109 | p.drawPolyline(points, countof(points)); | |
110 | p.setPen(QPen(QBrush(hover ? LineColour.lighter() : LineColour), | |
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_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 | void TraceGroup::restack_items() | |
160 | { | |
161 | vector<shared_ptr<TraceTreeItem>> items(trace_tree_child_items()); | |
162 | ||
163 | // Sort by the centre line of the extents | |
164 | stable_sort(items.begin(), items.end(), | |
165 | [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) { | |
166 | const auto aext = a->v_extents(); | |
167 | const auto bext = b->v_extents(); | |
168 | return a->layout_v_offset() + | |
169 | (aext.first + aext.second) / 2 < | |
170 | b->layout_v_offset() + | |
171 | (bext.first + bext.second) / 2; | |
172 | }); | |
173 | ||
174 | int total_offset = 0; | |
175 | for (shared_ptr<TraceTreeItem> r : items) { | |
176 | const pair<int, int> extents = r->v_extents(); | |
177 | if (extents.first == 0 && extents.second == 0) | |
178 | continue; | |
179 | ||
180 | // We position disabled traces, so that they are close to the | |
181 | // animation target positon should they be re-enabled | |
182 | if (r->enabled()) | |
183 | total_offset += -extents.first; | |
184 | ||
185 | if (!r->dragging()) | |
186 | r->set_layout_v_offset(total_offset); | |
187 | ||
188 | if (r->enabled()) | |
189 | total_offset += extents.second; | |
190 | } | |
191 | } | |
192 | ||
193 | unsigned int TraceGroup::depth() const | |
194 | { | |
195 | return owner_ ? owner_->depth() + 1 : 0; | |
196 | } | |
197 | ||
198 | void TraceGroup::ungroup() | |
199 | { | |
200 | const vector<shared_ptr<TraceTreeItem>> items(trace_tree_child_items()); | |
201 | clear_child_items(); | |
202 | ||
203 | for (shared_ptr<TraceTreeItem> r : items) | |
204 | owner_->add_child_item(r); | |
205 | ||
206 | owner_->remove_child_item(shared_from_this()); | |
207 | } | |
208 | ||
209 | void TraceGroup::on_ungroup() | |
210 | { | |
211 | ungroup(); | |
212 | } | |
213 | ||
214 | void TraceGroup::row_item_appearance_changed(bool label, bool content) | |
215 | { | |
216 | if (owner_) | |
217 | owner_->row_item_appearance_changed(label, content); | |
218 | } | |
219 | ||
220 | void TraceGroup::extents_changed(bool horz, bool vert) | |
221 | { | |
222 | if (owner_) | |
223 | owner_->extents_changed(horz, vert); | |
224 | } | |
225 | ||
226 | } // namespace TraceView | |
227 | } // namespace views | |
228 | } // namespace pv |