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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "tracegroup.hpp"
30 #include <boost/iterator/filter_iterator.hpp>
32 #include <QApplication>
34 #include <QMouseEvent>
38 #include <pv/session.hpp>
39 #include <pv/widgets/popup.hpp>
41 using boost::make_filter_iterator;
42 using std::dynamic_pointer_cast;
47 using std::shared_ptr;
48 using std::stable_sort;
54 const int Header::Padding = 12;
55 const int Header::BaselineOffset = 5;
57 static bool item_selected(shared_ptr<TraceTreeItem> r)
62 Header::Header(View &parent) :
67 QSize Header::sizeHint() const
69 QRectF max_rect(-Padding, 0, Padding, 0);
70 const vector<shared_ptr<TraceTreeItem>> items(
71 view_.list_by_type<TraceTreeItem>());
74 max_rect = max_rect.united(i->label_rect(QRect()));
75 return QSize(max_rect.width() + Padding + BaselineOffset, 0);
78 QSize Header::extended_size_hint() const
80 return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
83 vector< shared_ptr<ViewItem> > Header::items()
85 const vector<shared_ptr<TraceTreeItem>> items(
86 view_.list_by_type<TraceTreeItem>());
87 return vector< shared_ptr<ViewItem> >(items.begin(), items.end());
90 shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt)
92 const QRect r(0, 0, width() - BaselineOffset, height());
93 const vector<shared_ptr<TraceTreeItem>> items(
94 view_.list_by_type<TraceTreeItem>());
95 for (auto i = items.rbegin(); i != items.rend(); i++)
96 if ((*i)->enabled() && (*i)->label_rect(r).contains(pt))
98 return shared_ptr<TraceTreeItem>();
101 void Header::paintEvent(QPaintEvent*)
103 // The trace labels are not drawn with the arrows exactly on the
104 // left edge of the widget, because then the selection shadow
105 // would be clipped away.
106 const QRect rect(0, 0, width() - BaselineOffset, height());
108 vector< shared_ptr<RowItem> > items(
109 view_.list_by_type<RowItem>());
111 stable_sort(items.begin(), items.end(),
112 [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
113 return a->point(QRect()).y() < b->point(QRect()).y(); });
115 QPainter painter(this);
116 painter.setRenderHint(QPainter::Antialiasing);
118 for (const shared_ptr<RowItem> r : items) {
121 const bool highlight = !item_dragging_ &&
122 r->label_rect(rect).contains(mouse_point_);
123 r->paint_label(painter, rect, highlight);
129 void Header::contextMenuEvent(QContextMenuEvent *event)
131 const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
135 QMenu *menu = r->create_context_menu(this);
137 menu = new QMenu(this);
139 const vector< shared_ptr<TraceTreeItem> > items(
140 view_.list_by_type<TraceTreeItem>());
141 if (std::count_if(items.begin(), items.end(), item_selected) > 1)
143 menu->addSeparator();
145 QAction *const group = new QAction(tr("Group"), this);
146 QList<QKeySequence> shortcuts;
147 shortcuts.append(QKeySequence(Qt::ControlModifier | Qt::Key_G));
148 group->setShortcuts(shortcuts);
149 connect(group, SIGNAL(triggered()), this, SLOT(on_group()));
150 menu->addAction(group);
153 menu->exec(event->globalPos());
156 void Header::keyPressEvent(QKeyEvent *e)
160 MarginWidget::keyPressEvent(e);
162 if (e->key() == Qt::Key_G && e->modifiers() == Qt::ControlModifier)
164 else if (e->key() == Qt::Key_U && e->modifiers() == Qt::ControlModifier)
168 void Header::on_group()
170 const vector< shared_ptr<TraceTreeItem> > items(
171 view_.list_by_type<TraceTreeItem>());
172 vector< shared_ptr<TraceTreeItem> > selected_items(
173 make_filter_iterator(item_selected, items.begin(), items.end()),
174 make_filter_iterator(item_selected, items.end(), items.end()));
175 stable_sort(selected_items.begin(), selected_items.end(),
176 [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) {
177 return a->visual_v_offset() < b->visual_v_offset(); });
179 shared_ptr<TraceGroup> group(new TraceGroup());
180 shared_ptr<TraceTreeItem> mouse_down_item(
181 std::dynamic_pointer_cast<TraceTreeItem>(mouse_down_item_));
182 shared_ptr<TraceTreeItem> focus_item(
183 mouse_down_item ? mouse_down_item : selected_items.front());
186 assert(focus_item->owner());
187 focus_item->owner()->add_child_item(group);
189 // Set the group v_offset here before reparenting
190 group->force_to_v_offset(focus_item->layout_v_offset() +
191 focus_item->v_extents().first);
193 for (size_t i = 0; i < selected_items.size(); i++) {
194 const shared_ptr<TraceTreeItem> &r = selected_items[i];
196 r->owner()->remove_child_item(r);
197 group->add_child_item(r);
199 // Put the items at 1-pixel offsets, so that restack will
200 // stack them in the right order
201 r->set_layout_v_offset(i);
205 void Header::on_ungroup()
210 const vector< shared_ptr<TraceGroup> > groups(
211 view_.list_by_type<TraceGroup>());
212 for (const shared_ptr<TraceGroup> tg : groups)
213 if (tg->selected()) {