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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2014 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 "timemarker.hpp" | |
21 | #include "view.hpp" | |
22 | #include "ruler.hpp" | |
23 | ||
24 | #include <QColor> | |
25 | #include <QFormLayout> | |
26 | #include <QLineEdit> | |
27 | #include <QMenu> | |
28 | #include <QApplication> | |
29 | ||
30 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
31 | ||
32 | #include <pv/widgets/popup.hpp> | |
33 | ||
34 | using std::enable_shared_from_this; | |
35 | using std::shared_ptr; | |
36 | ||
37 | namespace pv { | |
38 | namespace views { | |
39 | namespace trace { | |
40 | ||
41 | const QColor Flag::FillColor(0x73, 0xD2, 0x16); | |
42 | ||
43 | Flag::Flag(View &view, const pv::util::Timestamp& time, const QString &text) : | |
44 | TimeMarker(view, FillColor, time), | |
45 | text_(text) | |
46 | { | |
47 | } | |
48 | ||
49 | Flag::Flag(const Flag &flag) : | |
50 | TimeMarker(flag.view_, FillColor, flag.time_), | |
51 | enable_shared_from_this<Flag>(flag) | |
52 | { | |
53 | } | |
54 | ||
55 | bool Flag::enabled() const | |
56 | { | |
57 | return true; | |
58 | } | |
59 | ||
60 | QString Flag::get_text() const | |
61 | { | |
62 | QString s; | |
63 | ||
64 | const shared_ptr<TimeItem> ref_item = view_.ruler()->get_reference_item(); | |
65 | ||
66 | if (!ref_item || (ref_item.get() == this)) | |
67 | s = text_; | |
68 | else | |
69 | s = Ruler::format_time_with_distance( | |
70 | ref_item->time(), ref_item->delta(time_), | |
71 | view_.tick_prefix(), view_.time_unit(), view_.tick_precision()); | |
72 | ||
73 | return s; | |
74 | } | |
75 | ||
76 | void Flag::set_text(const QString &text) | |
77 | { | |
78 | text_ = text; | |
79 | view_.time_item_appearance_changed(true, false); | |
80 | } | |
81 | ||
82 | QRectF Flag::label_rect(const QRectF &rect) const | |
83 | { | |
84 | QRectF r; | |
85 | ||
86 | const shared_ptr<TimeItem> ref_item = view_.ruler()->get_reference_item(); | |
87 | ||
88 | if (!ref_item || (ref_item.get() == this)) { | |
89 | r = TimeMarker::label_rect(rect); | |
90 | } else { | |
91 | // TODO: Remove code duplication between here and cursor.cpp | |
92 | const float x = get_x(); | |
93 | ||
94 | QFontMetrics m(QApplication::font()); | |
95 | QSize text_size = m.boundingRect(get_text()).size(); | |
96 | ||
97 | const QSizeF label_size( | |
98 | text_size.width() + LabelPadding.width() * 2, | |
99 | text_size.height() + LabelPadding.height() * 2); | |
100 | ||
101 | const float height = label_size.height(); | |
102 | const float top = | |
103 | rect.height() - label_size.height() - TimeMarker::ArrowSize - 0.5f; | |
104 | ||
105 | const pv::util::Timestamp& delta = ref_item->delta(time_); | |
106 | ||
107 | if (delta >= 0) | |
108 | r = QRectF(x, top, label_size.width(), height); | |
109 | else | |
110 | r = QRectF(x - label_size.width(), top, label_size.width(), height); | |
111 | } | |
112 | ||
113 | return r; | |
114 | } | |
115 | ||
116 | pv::widgets::Popup* Flag::create_popup(QWidget *parent) | |
117 | { | |
118 | using pv::widgets::Popup; | |
119 | ||
120 | Popup *const popup = TimeMarker::create_popup(parent); | |
121 | popup->set_position(parent->mapToGlobal( | |
122 | drag_point(parent->rect())), Popup::Bottom); | |
123 | ||
124 | QFormLayout *const form = (QFormLayout*)popup->layout(); | |
125 | ||
126 | QLineEdit *const text_edit = new QLineEdit(popup); | |
127 | text_edit->setText(text_); | |
128 | ||
129 | connect(text_edit, SIGNAL(textChanged(const QString&)), | |
130 | this, SLOT(on_text_changed(const QString&))); | |
131 | ||
132 | form->insertRow(0, tr("Text"), text_edit); | |
133 | ||
134 | return popup; | |
135 | } | |
136 | ||
137 | QMenu* Flag::create_header_context_menu(QWidget *parent) | |
138 | { | |
139 | QMenu *const menu = new QMenu(parent); | |
140 | ||
141 | QAction *const del = new QAction(tr("Delete"), this); | |
142 | del->setShortcuts(QKeySequence::Delete); | |
143 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
144 | menu->addAction(del); | |
145 | ||
146 | QAction *const snap_disable = new QAction(tr("Disable snapping"), this); | |
147 | snap_disable->setCheckable(true); | |
148 | snap_disable->setChecked(snapping_disabled_); | |
149 | connect(snap_disable, &QAction::toggled, this, [=](bool checked){snapping_disabled_ = checked;}); | |
150 | menu->addAction(snap_disable); | |
151 | ||
152 | return menu; | |
153 | } | |
154 | ||
155 | void Flag::delete_pressed() | |
156 | { | |
157 | on_delete(); | |
158 | } | |
159 | ||
160 | void Flag::on_delete() | |
161 | { | |
162 | view_.remove_flag(shared_ptr<Flag>(shared_from_this())); | |
163 | } | |
164 | ||
165 | void Flag::on_text_changed(const QString &text) | |
166 | { | |
167 | set_text(text); | |
168 | } | |
169 | ||
170 | } // namespace trace | |
171 | } // namespace views | |
172 | } // namespace pv |