2 * This file is part of the PulseView project.
4 * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net>
5 * Copyright (C) 2012-2015 Joel Holdsworth <joel@airwebreathe.org.uk>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include <QMessageBox>
24 #include "standardbar.hpp"
27 #include <pv/mainwindow.hpp>
29 using pv::views::trace::View;
36 StandardBar::StandardBar(Session &session, QWidget *parent,
37 View *view, bool add_default_widgets) :
38 QToolBar("Standard Trace View Toolbar", parent),
41 action_view_zoom_in_(new QAction(this)),
42 action_view_zoom_out_(new QAction(this)),
43 action_view_zoom_fit_(new QAction(this)),
44 action_view_show_cursors_(new QAction(this)),
45 segment_display_mode_selector_(new QToolButton(this)),
46 action_sdm_last_(new QAction(this)),
47 action_sdm_last_complete_(new QAction(this)),
48 action_sdm_single_(new QAction(this)),
49 segment_selector_(new QSpinBox(this))
51 setObjectName(QString::fromUtf8("StandardBar"));
54 action_view_zoom_in_->setText(tr("Zoom &In"));
55 action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
56 QIcon(":/icons/zoom-in.png")));
57 // simply using Qt::Key_Plus shows no + in the menu
58 action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
59 connect(action_view_zoom_in_, SIGNAL(triggered(bool)),
60 this, SLOT(on_actionViewZoomIn_triggered()));
62 action_view_zoom_out_->setText(tr("Zoom &Out"));
63 action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
64 QIcon(":/icons/zoom-out.png")));
65 action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
66 connect(action_view_zoom_out_, SIGNAL(triggered(bool)),
67 this, SLOT(on_actionViewZoomOut_triggered()));
69 action_view_zoom_fit_->setCheckable(true);
70 action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
71 action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit-best",
72 QIcon(":/icons/zoom-fit-best.png")));
73 action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
74 connect(action_view_zoom_fit_, SIGNAL(triggered(bool)),
75 this, SLOT(on_actionViewZoomFit_triggered(bool)));
77 action_view_show_cursors_->setCheckable(true);
78 action_view_show_cursors_->setIcon(QIcon(":/icons/show-cursors.svg"));
79 action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
80 connect(action_view_show_cursors_, SIGNAL(triggered(bool)),
81 this, SLOT(on_actionViewShowCursors_triggered()));
82 action_view_show_cursors_->setText(tr("Show &Cursors"));
84 action_sdm_last_->setIcon(QIcon(":/icons/view-displaymode-last_segment.svg"));
85 action_sdm_last_->setText(tr("Display last segment only"));
86 connect(action_sdm_last_, SIGNAL(triggered(bool)),
87 this, SLOT(on_actionSDMLast_triggered()));
89 action_sdm_last_complete_->setIcon(QIcon(":/icons/view-displaymode-last_complete_segment.svg"));
90 action_sdm_last_complete_->setText(tr("Display last complete segment only"));
91 connect(action_sdm_last_complete_, SIGNAL(triggered(bool)),
92 this, SLOT(on_actionSDMLastComplete_triggered()));
94 action_sdm_single_->setIcon(QIcon(":/icons/view-displaymode-single_segment.svg"));
95 action_sdm_single_->setText(tr("Display a single segment"));
96 connect(action_view_show_cursors_, SIGNAL(triggered(bool)),
97 this, SLOT(on_actionSDMSingle_triggered()));
99 segment_display_mode_selector_->addAction(action_sdm_last_);
100 segment_display_mode_selector_->addAction(action_sdm_last_complete_);
101 segment_display_mode_selector_->addAction(action_sdm_single_);
102 segment_display_mode_selector_->setPopupMode(QToolButton::InstantPopup);
103 segment_display_mode_selector_->hide();
105 segment_selector_->setMinimum(1);
106 segment_selector_->hide();
108 connect(&session_, SIGNAL(new_segment(int)),
109 this, SLOT(on_new_segment(int)));
111 connect(&session_, SIGNAL(segment_completed(int)),
112 view_, SLOT(on_segment_completed(int)));
114 connect(segment_selector_, SIGNAL(valueChanged(int)),
115 this, SLOT(on_segment_selected(int)));
116 connect(view_, SIGNAL(segment_changed(int)),
117 this, SLOT(on_segment_changed(int)));
119 connect(this, SIGNAL(segment_selected(int)),
120 view_, SLOT(on_segment_changed(int)));
122 connect(view_, SIGNAL(segment_display_mode_changed(int, bool)),
123 this, SLOT(on_segment_display_mode_changed(int, bool)));
125 connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)),
126 this, SLOT(on_always_zoom_to_fit_changed(bool)));
128 connect(view_, SIGNAL(cursor_state_changed(bool)),
129 this, SLOT(on_cursor_state_changed(bool)));
131 if (add_default_widgets)
132 add_toolbar_widgets();
135 Session &StandardBar::session() const
140 void StandardBar::add_toolbar_widgets()
143 addAction(action_view_zoom_in_);
144 addAction(action_view_zoom_out_);
145 addAction(action_view_zoom_fit_);
147 addAction(action_view_show_cursors_);
148 multi_segment_actions_.push_back(addSeparator());
149 multi_segment_actions_.push_back(addWidget(segment_display_mode_selector_));
150 multi_segment_actions_.push_back(addWidget(segment_selector_));
153 // Hide the multi-segment UI until we know that there are multiple segments
154 show_multi_segment_ui(false);
157 void StandardBar::show_multi_segment_ui(const bool state)
159 for (QAction* action : multi_segment_actions_)
160 action->setVisible(state);
162 on_segment_display_mode_changed(view_->segment_display_mode(),
163 view_->segment_is_selectable());
166 QAction* StandardBar::action_view_zoom_in() const
168 return action_view_zoom_in_;
171 QAction* StandardBar::action_view_zoom_out() const
173 return action_view_zoom_out_;
176 QAction* StandardBar::action_view_zoom_fit() const
178 return action_view_zoom_fit_;
181 QAction* StandardBar::action_view_show_cursors() const
183 return action_view_show_cursors_;
186 void StandardBar::on_actionViewZoomIn_triggered()
191 void StandardBar::on_actionViewZoomOut_triggered()
196 void StandardBar::on_actionViewZoomFit_triggered(bool checked)
198 view_->zoom_fit(checked);
201 void StandardBar::on_actionViewShowCursors_triggered()
203 const bool show = action_view_show_cursors_->isChecked();
206 view_->centre_cursors();
208 view_->show_cursors(show);
211 void StandardBar::on_actionSDMLast_triggered()
213 view_->set_segment_display_mode(Trace::ShowLastSegmentOnly);
216 void StandardBar::on_actionSDMLastComplete_triggered()
218 view_->set_segment_display_mode(Trace::ShowLastCompleteSegmentOnly);
221 void StandardBar::on_actionSDMSingle_triggered()
223 view_->set_segment_display_mode(Trace::ShowSingleSegmentOnly);
226 void StandardBar::on_always_zoom_to_fit_changed(bool state)
228 action_view_zoom_fit_->setChecked(state);
231 void StandardBar::on_new_segment(int new_segment_id)
233 if (new_segment_id > 0) {
234 show_multi_segment_ui(true);
235 segment_selector_->setMaximum(new_segment_id + 1);
237 show_multi_segment_ui(false);
240 void StandardBar::on_segment_changed(int segment_id)
242 // We need to adjust the value by 1 because internally, segments
243 // start at 0 while they start with 1 for the spinbox
244 const uint32_t ui_segment_id = segment_id + 1;
246 // This is called when the current segment was changed
247 // by other parts of the UI, e.g. the view itself
249 // Make sure our value isn't limited by a too low maximum
250 // Note: this can happen if on_segment_changed() is called before
252 if ((uint32_t)segment_selector_->maximum() < ui_segment_id)
253 segment_selector_->setMaximum(ui_segment_id);
255 segment_selector_->setValue(ui_segment_id);
258 void StandardBar::on_segment_selected(int ui_segment_id)
260 // We need to adjust the value by 1 because internally, segments
261 // start at 0 while they start with 1 for the spinbox
262 const uint32_t segment_id = ui_segment_id - 1;
264 // This is called when the user selected a segment using the spin box
265 // or when the value of the spinbox was assigned a new value. Since we
266 // only care about the former, we filter out the latter:
267 if (segment_id == view_->current_segment())
270 // No matter which segment display mode we were in, we now show a single segment
271 if (view_->segment_display_mode() != Trace::ShowSingleSegmentOnly)
272 on_actionSDMSingle_triggered();
274 segment_selected(segment_id);
277 void StandardBar::on_segment_display_mode_changed(int mode, bool segment_selectable)
279 segment_selector_->setReadOnly(!segment_selectable);
281 switch ((Trace::SegmentDisplayMode)mode) {
282 case Trace::ShowLastSegmentOnly:
283 segment_display_mode_selector_->setDefaultAction(action_sdm_last_);
285 case Trace::ShowLastCompleteSegmentOnly:
286 segment_display_mode_selector_->setDefaultAction(action_sdm_last_complete_);
288 case Trace::ShowSingleSegmentOnly:
289 segment_display_mode_selector_->setDefaultAction(action_sdm_single_);
296 void StandardBar::on_cursor_state_changed(bool show)
298 action_view_show_cursors_->setChecked(show);