2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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/>.
24 #include "tracegroup.hpp"
29 #include <boost/iterator/filter_iterator.hpp>
31 #include <QApplication>
33 #include <QMouseEvent>
37 #include <pv/session.hpp>
38 #include <pv/widgets/popup.hpp>
40 using boost::make_filter_iterator;
43 using std::dynamic_pointer_cast;
44 using std::shared_ptr;
45 using std::stable_sort;
52 const int Header::Padding = 12;
53 const int Header::BaselineOffset = 5;
55 static bool item_selected(shared_ptr<TraceTreeItem> r)
60 Header::Header(View &parent) :
65 QSize Header::sizeHint() const
67 QRectF max_rect(-Padding, 0, Padding, 0);
68 const vector<shared_ptr<TraceTreeItem>> items(
69 view_.list_by_type<TraceTreeItem>());
72 max_rect = max_rect.united(i->label_rect(QRect()));
73 return QSize(max_rect.width() + Padding + BaselineOffset, 0);
76 QSize Header::extended_size_hint() const
78 return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
81 vector< shared_ptr<ViewItem> > Header::items()
83 const vector<shared_ptr<TraceTreeItem>> items(
84 view_.list_by_type<TraceTreeItem>());
85 return vector< shared_ptr<ViewItem> >(items.begin(), items.end());
88 shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt)
90 const QRect r(0, 0, width() - BaselineOffset, height());
91 const vector<shared_ptr<TraceTreeItem>> items(
92 view_.list_by_type<TraceTreeItem>());
93 for (auto i = items.rbegin(); i != items.rend(); i++)
94 if ((*i)->enabled() && (*i)->label_rect(r).contains(pt))
96 return shared_ptr<TraceTreeItem>();
99 void Header::paintEvent(QPaintEvent*)
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.
104 const QRect rect(0, 0, width() - BaselineOffset, height());
106 vector< shared_ptr<RowItem> > items(view_.list_by_type<RowItem>());
108 stable_sort(items.begin(), items.end(),
109 [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
110 return a->point(QRect()).y() < b->point(QRect()).y(); });
112 QPainter painter(this);
113 painter.setRenderHint(QPainter::Antialiasing);
115 for (const shared_ptr<RowItem> r : items) {
118 const bool highlight = !item_dragging_ &&
119 r->label_rect(rect).contains(mouse_point_);
120 r->paint_label(painter, rect, highlight);
126 void Header::contextMenuEvent(QContextMenuEvent *event)
128 const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
132 QMenu *menu = r->create_context_menu(this);
134 menu = new QMenu(this);
136 const vector< shared_ptr<TraceTreeItem> > items(
137 view_.list_by_type<TraceTreeItem>());
138 if (count_if(items.begin(), items.end(), item_selected) > 1) {
139 menu->addSeparator();
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);
149 menu->exec(event->globalPos());
152 void Header::keyPressEvent(QKeyEvent *event)
156 MarginWidget::keyPressEvent(event);
158 if (event->key() == Qt::Key_G && event->modifiers() == Qt::ControlModifier)
160 else if (event->key() == Qt::Key_U && event->modifiers() == Qt::ControlModifier)
164 void Header::on_group()
166 const vector< shared_ptr<TraceTreeItem> > items(
167 view_.list_by_type<TraceTreeItem>());
168 vector< shared_ptr<TraceTreeItem> > selected_items(
169 make_filter_iterator(item_selected, items.begin(), items.end()),
170 make_filter_iterator(item_selected, items.end(), items.end()));
171 stable_sort(selected_items.begin(), selected_items.end(),
172 [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) {
173 return a->visual_v_offset() < b->visual_v_offset(); });
175 shared_ptr<TraceGroup> group(new TraceGroup());
176 shared_ptr<TraceTreeItem> mouse_down_item(
177 dynamic_pointer_cast<TraceTreeItem>(mouse_down_item_));
178 shared_ptr<TraceTreeItem> focus_item(
179 mouse_down_item ? mouse_down_item : selected_items.front());
182 assert(focus_item->owner());
183 focus_item->owner()->add_child_item(group);
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);
189 for (size_t i = 0; i < selected_items.size(); i++) {
190 const shared_ptr<TraceTreeItem> &r = selected_items[i];
192 r->owner()->remove_child_item(r);
193 group->add_child_item(r);
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);
201 void Header::on_ungroup()
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()) {
217 } // namespace TraceView