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1d8dca91 | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
1d8dca91 JH |
3 | * |
4 | * Copyright (C) 2012 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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
1d8dca91 JH |
18 | */ |
19 | ||
2acdb232 JH |
20 | #include "header.hpp" |
21 | #include "view.hpp" | |
1d8dca91 | 22 | |
2acdb232 JH |
23 | #include "signal.hpp" |
24 | #include "tracegroup.hpp" | |
1d8dca91 | 25 | |
68b21a71 | 26 | #include <algorithm> |
aca9aa83 | 27 | #include <cassert> |
1d8dca91 | 28 | |
73ba2d70 JH |
29 | #include <boost/iterator/filter_iterator.hpp> |
30 | ||
e3374498 | 31 | #include <QApplication> |
49f8ff3f | 32 | #include <QMenu> |
a29bb7fb | 33 | #include <QMouseEvent> |
1d8dca91 JH |
34 | #include <QPainter> |
35 | #include <QRect> | |
36 | ||
f65cd27b | 37 | #include <pv/session.hpp> |
2acdb232 | 38 | #include <pv/widgets/popup.hpp> |
569d1e41 | 39 | |
73ba2d70 | 40 | using boost::make_filter_iterator; |
6f925ba9 UH |
41 | |
42 | using std::count_if; | |
bb419fdd | 43 | using std::dynamic_pointer_cast; |
f9abf97e | 44 | using std::shared_ptr; |
68b21a71 | 45 | using std::stable_sort; |
819f4c25 | 46 | using std::vector; |
1d8dca91 JH |
47 | |
48 | namespace pv { | |
f4e57597 | 49 | namespace views { |
1573bf16 | 50 | namespace trace { |
1d8dca91 | 51 | |
d7c0ca4a JH |
52 | const int Header::Padding = 12; |
53 | ||
af503b10 | 54 | static bool item_selected(shared_ptr<TraceTreeItem> r) |
73ba2d70 JH |
55 | { |
56 | return r->selected(); | |
57 | } | |
58 | ||
1d8dca91 | 59 | Header::Header(View &parent) : |
f4433aa9 | 60 | MarginWidget(parent) |
1d8dca91 JH |
61 | { |
62 | } | |
63 | ||
d7c0ca4a JH |
64 | QSize Header::sizeHint() const |
65 | { | |
b781f806 | 66 | QRectF max_rect(-Padding, 0, Padding, 0); |
cc88566c JH |
67 | const vector<shared_ptr<TraceTreeItem>> items( |
68 | view_.list_by_type<TraceTreeItem>()); | |
69 | for (auto &i : items) | |
aa59d5c2 | 70 | if (i->enabled()) |
b3f44329 | 71 | max_rect = max_rect.united(i->label_rect(QRect())); |
c1a6513b | 72 | return QSize(max_rect.width() + Padding, 0); |
d7c0ca4a JH |
73 | } |
74 | ||
819e2e95 JH |
75 | QSize Header::extended_size_hint() const |
76 | { | |
77 | return sizeHint() + QSize(ViewItem::HighlightRadius, 0); | |
78 | } | |
79 | ||
3e124bee JH |
80 | vector< shared_ptr<ViewItem> > Header::items() |
81 | { | |
cc88566c JH |
82 | const vector<shared_ptr<TraceTreeItem>> items( |
83 | view_.list_by_type<TraceTreeItem>()); | |
84 | return vector< shared_ptr<ViewItem> >(items.begin(), items.end()); | |
3e124bee JH |
85 | } |
86 | ||
bc01bb31 | 87 | shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt) |
e3374498 | 88 | { |
c1a6513b | 89 | const QRect r(0, 0, width(), height()); |
cc88566c JH |
90 | const vector<shared_ptr<TraceTreeItem>> items( |
91 | view_.list_by_type<TraceTreeItem>()); | |
adf3aaf4 JH |
92 | for (auto i = items.rbegin(); i != items.rend(); i++) |
93 | if ((*i)->enabled() && (*i)->label_rect(r).contains(pt)) | |
94 | return *i; | |
af503b10 | 95 | return shared_ptr<TraceTreeItem>(); |
e3374498 JH |
96 | } |
97 | ||
e314eca4 | 98 | void Header::paintEvent(QPaintEvent*) |
1d8dca91 | 99 | { |
c1a6513b | 100 | const QRect rect(0, 0, width(), height()); |
68b21a71 | 101 | |
c063290a | 102 | vector< shared_ptr<RowItem> > items(view_.list_by_type<RowItem>()); |
aa59d5c2 | 103 | |
af503b10 | 104 | stable_sort(items.begin(), items.end(), |
83d8efb5 JH |
105 | [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) { |
106 | return a->point(QRect()).y() < b->point(QRect()).y(); }); | |
1d8dca91 JH |
107 | |
108 | QPainter painter(this); | |
109 | painter.setRenderHint(QPainter::Antialiasing); | |
110 | ||
2ad82c2e | 111 | for (const shared_ptr<RowItem> r : items) { |
eae6e30a | 112 | assert(r); |
1d8dca91 | 113 | |
803cdac4 | 114 | const bool highlight = !item_dragging_ && |
b3f44329 JH |
115 | r->label_rect(rect).contains(mouse_point_); |
116 | r->paint_label(painter, rect, highlight); | |
1d8dca91 JH |
117 | } |
118 | ||
119 | painter.end(); | |
120 | } | |
121 | ||
49f8ff3f JH |
122 | void Header::contextMenuEvent(QContextMenuEvent *event) |
123 | { | |
bc01bb31 | 124 | const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_); |
a28878f4 JH |
125 | if (!r) |
126 | return; | |
127 | ||
73ba2d70 | 128 | QMenu *menu = r->create_context_menu(this); |
a28878f4 | 129 | if (!menu) |
73ba2d70 JH |
130 | menu = new QMenu(this); |
131 | ||
cc88566c JH |
132 | const vector< shared_ptr<TraceTreeItem> > items( |
133 | view_.list_by_type<TraceTreeItem>()); | |
6f925ba9 | 134 | if (count_if(items.begin(), items.end(), item_selected) > 1) { |
73ba2d70 JH |
135 | menu->addSeparator(); |
136 | ||
137 | QAction *const group = new QAction(tr("Group"), this); | |
138 | QList<QKeySequence> shortcuts; | |
139 | shortcuts.append(QKeySequence(Qt::ControlModifier | Qt::Key_G)); | |
140 | group->setShortcuts(shortcuts); | |
141 | connect(group, SIGNAL(triggered()), this, SLOT(on_group())); | |
142 | menu->addAction(group); | |
143 | } | |
49f8ff3f | 144 | |
a28878f4 | 145 | menu->exec(event->globalPos()); |
b3b57abc JH |
146 | } |
147 | ||
d9ea9628 | 148 | void Header::keyPressEvent(QKeyEvent *event) |
5ed1adf5 | 149 | { |
d9ea9628 | 150 | assert(event); |
5ed1adf5 | 151 | |
d9ea9628 | 152 | MarginWidget::keyPressEvent(event); |
bb4a0e8e | 153 | |
d9ea9628 | 154 | if (event->key() == Qt::Key_G && event->modifiers() == Qt::ControlModifier) |
14ca8a8d | 155 | on_group(); |
d9ea9628 | 156 | else if (event->key() == Qt::Key_U && event->modifiers() == Qt::ControlModifier) |
14ca8a8d | 157 | on_ungroup(); |
5ed1adf5 JH |
158 | } |
159 | ||
73ba2d70 JH |
160 | void Header::on_group() |
161 | { | |
cc88566c JH |
162 | const vector< shared_ptr<TraceTreeItem> > items( |
163 | view_.list_by_type<TraceTreeItem>()); | |
af503b10 | 164 | vector< shared_ptr<TraceTreeItem> > selected_items( |
cc88566c JH |
165 | make_filter_iterator(item_selected, items.begin(), items.end()), |
166 | make_filter_iterator(item_selected, items.end(), items.end())); | |
73ba2d70 | 167 | stable_sort(selected_items.begin(), selected_items.end(), |
af503b10 | 168 | [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) { |
73ba2d70 JH |
169 | return a->visual_v_offset() < b->visual_v_offset(); }); |
170 | ||
171 | shared_ptr<TraceGroup> group(new TraceGroup()); | |
af503b10 | 172 | shared_ptr<TraceTreeItem> mouse_down_item( |
6f925ba9 | 173 | dynamic_pointer_cast<TraceTreeItem>(mouse_down_item_)); |
af503b10 | 174 | shared_ptr<TraceTreeItem> focus_item( |
f052f9cd | 175 | mouse_down_item ? mouse_down_item : selected_items.front()); |
73ba2d70 JH |
176 | |
177 | assert(focus_item); | |
178 | assert(focus_item->owner()); | |
179 | focus_item->owner()->add_child_item(group); | |
180 | ||
181 | // Set the group v_offset here before reparenting | |
182 | group->force_to_v_offset(focus_item->layout_v_offset() + | |
183 | focus_item->v_extents().first); | |
184 | ||
185 | for (size_t i = 0; i < selected_items.size(); i++) { | |
af503b10 | 186 | const shared_ptr<TraceTreeItem> &r = selected_items[i]; |
73ba2d70 JH |
187 | assert(r->owner()); |
188 | r->owner()->remove_child_item(r); | |
189 | group->add_child_item(r); | |
190 | ||
191 | // Put the items at 1-pixel offsets, so that restack will | |
192 | // stack them in the right order | |
193 | r->set_layout_v_offset(i); | |
194 | } | |
195 | } | |
196 | ||
bb419fdd JH |
197 | void Header::on_ungroup() |
198 | { | |
199 | bool restart; | |
200 | do { | |
201 | restart = false; | |
698568bc JH |
202 | const vector< shared_ptr<TraceGroup> > groups( |
203 | view_.list_by_type<TraceGroup>()); | |
204 | for (const shared_ptr<TraceGroup> tg : groups) | |
205 | if (tg->selected()) { | |
bb419fdd JH |
206 | tg->ungroup(); |
207 | restart = true; | |
208 | break; | |
209 | } | |
f3290553 | 210 | } while (restart); |
bb419fdd JH |
211 | } |
212 | ||
1573bf16 | 213 | } // namespace trace |
f4e57597 | 214 | } // namespace views |
1d8dca91 | 215 | } // namespace pv |