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;
48 using std::shared_ptr;
49 using std::stable_sort;
56 const int Header::Padding = 12;
57 const int Header::BaselineOffset = 5;
59 static bool item_selected(shared_ptr<TraceTreeItem> r)
64 Header::Header(View &parent) :
69 QSize Header::sizeHint() const
71 QRectF max_rect(-Padding, 0, Padding, 0);
72 const vector<shared_ptr<TraceTreeItem>> items(
73 view_.list_by_type<TraceTreeItem>());
76 max_rect = max_rect.united(i->label_rect(QRect()));
77 return QSize(max_rect.width() + Padding + BaselineOffset, 0);
80 QSize Header::extended_size_hint() const
82 return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
85 vector< shared_ptr<ViewItem> > Header::items()
87 const vector<shared_ptr<TraceTreeItem>> items(
88 view_.list_by_type<TraceTreeItem>());
89 return vector< shared_ptr<ViewItem> >(items.begin(), items.end());
92 shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt)
94 const QRect r(0, 0, width() - BaselineOffset, height());
95 const vector<shared_ptr<TraceTreeItem>> items(
96 view_.list_by_type<TraceTreeItem>());
97 for (auto i = items.rbegin(); i != items.rend(); i++)
98 if ((*i)->enabled() && (*i)->label_rect(r).contains(pt))
100 return shared_ptr<TraceTreeItem>();
103 void Header::paintEvent(QPaintEvent*)
105 // The trace labels are not drawn with the arrows exactly on the
106 // left edge of the widget, because then the selection shadow
107 // would be clipped away.
108 const QRect rect(0, 0, width() - BaselineOffset, height());
110 vector< shared_ptr<RowItem> > items(
111 view_.list_by_type<RowItem>());
113 stable_sort(items.begin(), items.end(),
114 [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
115 return a->point(QRect()).y() < b->point(QRect()).y(); });
117 QPainter painter(this);
118 painter.setRenderHint(QPainter::Antialiasing);
120 for (const shared_ptr<RowItem> r : items) {
123 const bool highlight = !item_dragging_ &&
124 r->label_rect(rect).contains(mouse_point_);
125 r->paint_label(painter, rect, highlight);
131 void Header::contextMenuEvent(QContextMenuEvent *event)
133 const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
137 QMenu *menu = r->create_context_menu(this);
139 menu = new QMenu(this);
141 const vector< shared_ptr<TraceTreeItem> > items(
142 view_.list_by_type<TraceTreeItem>());
143 if (count_if(items.begin(), items.end(), item_selected) > 1) {
144 menu->addSeparator();
146 QAction *const group = new QAction(tr("Group"), this);
147 QList<QKeySequence> shortcuts;
148 shortcuts.append(QKeySequence(Qt::ControlModifier | Qt::Key_G));
149 group->setShortcuts(shortcuts);
150 connect(group, SIGNAL(triggered()), this, SLOT(on_group()));
151 menu->addAction(group);
154 menu->exec(event->globalPos());
157 void Header::keyPressEvent(QKeyEvent *event)
161 MarginWidget::keyPressEvent(event);
163 if (event->key() == Qt::Key_G && event->modifiers() == Qt::ControlModifier)
165 else if (event->key() == Qt::Key_U && event->modifiers() == Qt::ControlModifier)
169 void Header::on_group()
171 const vector< shared_ptr<TraceTreeItem> > items(
172 view_.list_by_type<TraceTreeItem>());
173 vector< shared_ptr<TraceTreeItem> > selected_items(
174 make_filter_iterator(item_selected, items.begin(), items.end()),
175 make_filter_iterator(item_selected, items.end(), items.end()));
176 stable_sort(selected_items.begin(), selected_items.end(),
177 [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) {
178 return a->visual_v_offset() < b->visual_v_offset(); });
180 shared_ptr<TraceGroup> group(new TraceGroup());
181 shared_ptr<TraceTreeItem> mouse_down_item(
182 dynamic_pointer_cast<TraceTreeItem>(mouse_down_item_));
183 shared_ptr<TraceTreeItem> focus_item(
184 mouse_down_item ? mouse_down_item : selected_items.front());
187 assert(focus_item->owner());
188 focus_item->owner()->add_child_item(group);
190 // Set the group v_offset here before reparenting
191 group->force_to_v_offset(focus_item->layout_v_offset() +
192 focus_item->v_extents().first);
194 for (size_t i = 0; i < selected_items.size(); i++) {
195 const shared_ptr<TraceTreeItem> &r = selected_items[i];
197 r->owner()->remove_child_item(r);
198 group->add_child_item(r);
200 // Put the items at 1-pixel offsets, so that restack will
201 // stack them in the right order
202 r->set_layout_v_offset(i);
206 void Header::on_ungroup()
211 const vector< shared_ptr<TraceGroup> > groups(
212 view_.list_by_type<TraceGroup>());
213 for (const shared_ptr<TraceGroup> tg : groups)
214 if (tg->selected()) {
222 } // namespace TraceView