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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 SA |
49 | namespace views { |
50 | namespace TraceView { | |
1d8dca91 | 51 | |
d7c0ca4a | 52 | const int Header::Padding = 12; |
512bfc56 | 53 | const int Header::BaselineOffset = 5; |
d7c0ca4a | 54 | |
af503b10 | 55 | static bool item_selected(shared_ptr<TraceTreeItem> r) |
73ba2d70 JH |
56 | { |
57 | return r->selected(); | |
58 | } | |
59 | ||
1d8dca91 | 60 | Header::Header(View &parent) : |
f4433aa9 | 61 | MarginWidget(parent) |
1d8dca91 JH |
62 | { |
63 | } | |
64 | ||
d7c0ca4a JH |
65 | QSize Header::sizeHint() const |
66 | { | |
b781f806 | 67 | QRectF max_rect(-Padding, 0, Padding, 0); |
cc88566c JH |
68 | const vector<shared_ptr<TraceTreeItem>> items( |
69 | view_.list_by_type<TraceTreeItem>()); | |
70 | for (auto &i : items) | |
aa59d5c2 | 71 | if (i->enabled()) |
b3f44329 | 72 | max_rect = max_rect.united(i->label_rect(QRect())); |
b781f806 | 73 | return QSize(max_rect.width() + Padding + BaselineOffset, 0); |
d7c0ca4a JH |
74 | } |
75 | ||
819e2e95 JH |
76 | QSize Header::extended_size_hint() const |
77 | { | |
78 | return sizeHint() + QSize(ViewItem::HighlightRadius, 0); | |
79 | } | |
80 | ||
3e124bee JH |
81 | vector< shared_ptr<ViewItem> > Header::items() |
82 | { | |
cc88566c JH |
83 | const vector<shared_ptr<TraceTreeItem>> items( |
84 | view_.list_by_type<TraceTreeItem>()); | |
85 | return vector< shared_ptr<ViewItem> >(items.begin(), items.end()); | |
3e124bee JH |
86 | } |
87 | ||
bc01bb31 | 88 | shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt) |
e3374498 | 89 | { |
c13447b3 | 90 | const QRect r(0, 0, width() - BaselineOffset, height()); |
cc88566c JH |
91 | const vector<shared_ptr<TraceTreeItem>> items( |
92 | view_.list_by_type<TraceTreeItem>()); | |
adf3aaf4 JH |
93 | for (auto i = items.rbegin(); i != items.rend(); i++) |
94 | if ((*i)->enabled() && (*i)->label_rect(r).contains(pt)) | |
95 | return *i; | |
af503b10 | 96 | return shared_ptr<TraceTreeItem>(); |
e3374498 JH |
97 | } |
98 | ||
e314eca4 | 99 | void Header::paintEvent(QPaintEvent*) |
1d8dca91 | 100 | { |
512bfc56 JS |
101 | // The trace labels are not drawn with the arrows exactly on the |
102 | // left edge of the widget, because then the selection shadow | |
103 | // would be clipped away. | |
c13447b3 | 104 | const QRect rect(0, 0, width() - BaselineOffset, height()); |
68b21a71 | 105 | |
c063290a | 106 | vector< shared_ptr<RowItem> > items(view_.list_by_type<RowItem>()); |
aa59d5c2 | 107 | |
af503b10 | 108 | stable_sort(items.begin(), items.end(), |
83d8efb5 JH |
109 | [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) { |
110 | return a->point(QRect()).y() < b->point(QRect()).y(); }); | |
1d8dca91 JH |
111 | |
112 | QPainter painter(this); | |
113 | painter.setRenderHint(QPainter::Antialiasing); | |
114 | ||
2ad82c2e | 115 | for (const shared_ptr<RowItem> r : items) { |
eae6e30a | 116 | assert(r); |
1d8dca91 | 117 | |
803cdac4 | 118 | const bool highlight = !item_dragging_ && |
b3f44329 JH |
119 | r->label_rect(rect).contains(mouse_point_); |
120 | r->paint_label(painter, rect, highlight); | |
1d8dca91 JH |
121 | } |
122 | ||
123 | painter.end(); | |
124 | } | |
125 | ||
49f8ff3f JH |
126 | void Header::contextMenuEvent(QContextMenuEvent *event) |
127 | { | |
bc01bb31 | 128 | const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_); |
a28878f4 JH |
129 | if (!r) |
130 | return; | |
131 | ||
73ba2d70 | 132 | QMenu *menu = r->create_context_menu(this); |
a28878f4 | 133 | if (!menu) |
73ba2d70 JH |
134 | menu = new QMenu(this); |
135 | ||
cc88566c JH |
136 | const vector< shared_ptr<TraceTreeItem> > items( |
137 | view_.list_by_type<TraceTreeItem>()); | |
6f925ba9 | 138 | if (count_if(items.begin(), items.end(), item_selected) > 1) { |
73ba2d70 JH |
139 | menu->addSeparator(); |
140 | ||
141 | QAction *const group = new QAction(tr("Group"), this); | |
142 | QList<QKeySequence> shortcuts; | |
143 | shortcuts.append(QKeySequence(Qt::ControlModifier | Qt::Key_G)); | |
144 | group->setShortcuts(shortcuts); | |
145 | connect(group, SIGNAL(triggered()), this, SLOT(on_group())); | |
146 | menu->addAction(group); | |
147 | } | |
49f8ff3f | 148 | |
a28878f4 | 149 | menu->exec(event->globalPos()); |
b3b57abc JH |
150 | } |
151 | ||
d9ea9628 | 152 | void Header::keyPressEvent(QKeyEvent *event) |
5ed1adf5 | 153 | { |
d9ea9628 | 154 | assert(event); |
5ed1adf5 | 155 | |
d9ea9628 | 156 | MarginWidget::keyPressEvent(event); |
bb4a0e8e | 157 | |
d9ea9628 | 158 | if (event->key() == Qt::Key_G && event->modifiers() == Qt::ControlModifier) |
14ca8a8d | 159 | on_group(); |
d9ea9628 | 160 | else if (event->key() == Qt::Key_U && event->modifiers() == Qt::ControlModifier) |
14ca8a8d | 161 | on_ungroup(); |
5ed1adf5 JH |
162 | } |
163 | ||
73ba2d70 JH |
164 | void Header::on_group() |
165 | { | |
cc88566c JH |
166 | const vector< shared_ptr<TraceTreeItem> > items( |
167 | view_.list_by_type<TraceTreeItem>()); | |
af503b10 | 168 | vector< shared_ptr<TraceTreeItem> > selected_items( |
cc88566c JH |
169 | make_filter_iterator(item_selected, items.begin(), items.end()), |
170 | make_filter_iterator(item_selected, items.end(), items.end())); | |
73ba2d70 | 171 | stable_sort(selected_items.begin(), selected_items.end(), |
af503b10 | 172 | [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) { |
73ba2d70 JH |
173 | return a->visual_v_offset() < b->visual_v_offset(); }); |
174 | ||
175 | shared_ptr<TraceGroup> group(new TraceGroup()); | |
af503b10 | 176 | shared_ptr<TraceTreeItem> mouse_down_item( |
6f925ba9 | 177 | dynamic_pointer_cast<TraceTreeItem>(mouse_down_item_)); |
af503b10 | 178 | shared_ptr<TraceTreeItem> focus_item( |
f052f9cd | 179 | mouse_down_item ? mouse_down_item : selected_items.front()); |
73ba2d70 JH |
180 | |
181 | assert(focus_item); | |
182 | assert(focus_item->owner()); | |
183 | focus_item->owner()->add_child_item(group); | |
184 | ||
185 | // Set the group v_offset here before reparenting | |
186 | group->force_to_v_offset(focus_item->layout_v_offset() + | |
187 | focus_item->v_extents().first); | |
188 | ||
189 | for (size_t i = 0; i < selected_items.size(); i++) { | |
af503b10 | 190 | const shared_ptr<TraceTreeItem> &r = selected_items[i]; |
73ba2d70 JH |
191 | assert(r->owner()); |
192 | r->owner()->remove_child_item(r); | |
193 | group->add_child_item(r); | |
194 | ||
195 | // Put the items at 1-pixel offsets, so that restack will | |
196 | // stack them in the right order | |
197 | r->set_layout_v_offset(i); | |
198 | } | |
199 | } | |
200 | ||
bb419fdd JH |
201 | void Header::on_ungroup() |
202 | { | |
203 | bool restart; | |
204 | do { | |
205 | restart = false; | |
698568bc JH |
206 | const vector< shared_ptr<TraceGroup> > groups( |
207 | view_.list_by_type<TraceGroup>()); | |
208 | for (const shared_ptr<TraceGroup> tg : groups) | |
209 | if (tg->selected()) { | |
bb419fdd JH |
210 | tg->ungroup(); |
211 | restart = true; | |
212 | break; | |
213 | } | |
f3290553 | 214 | } while (restart); |
bb419fdd JH |
215 | } |
216 | ||
f4e57597 SA |
217 | } // namespace TraceView |
218 | } // namespace views | |
1d8dca91 | 219 | } // namespace pv |