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_zoom_one_to_one_(new QAction(this)),
45 action_view_show_cursors_(new QAction(this)),
46 segment_display_mode_selector_(new QToolButton(this)),
47 action_sdm_last_(new QAction(this)),
48 action_sdm_last_complete_(new QAction(this)),
49 action_sdm_single_(new QAction(this)),
50 segment_selector_(new QSpinBox(this))
52 setObjectName(QString::fromUtf8("StandardBar"));
55 action_view_zoom_in_->setText(tr("Zoom &In"));
56 action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
57 QIcon(":/icons/zoom-in.png")));
58 // simply using Qt::Key_Plus shows no + in the menu
59 action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
60 connect(action_view_zoom_in_, SIGNAL(triggered(bool)),
61 this, SLOT(on_actionViewZoomIn_triggered()));
63 action_view_zoom_out_->setText(tr("Zoom &Out"));
64 action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
65 QIcon(":/icons/zoom-out.png")));
66 action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
67 connect(action_view_zoom_out_, SIGNAL(triggered(bool)),
68 this, SLOT(on_actionViewZoomOut_triggered()));
70 action_view_zoom_fit_->setCheckable(true);
71 action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
72 action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit-best",
73 QIcon(":/icons/zoom-fit-best.png")));
74 action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
75 connect(action_view_zoom_fit_, SIGNAL(triggered(bool)),
76 this, SLOT(on_actionViewZoomFit_triggered(bool)));
78 action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
79 action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
80 QIcon(":/icons/zoom-original.png")));
81 action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
82 connect(action_view_zoom_one_to_one_, SIGNAL(triggered(bool)),
83 this, SLOT(on_actionViewZoomOneToOne_triggered()));
85 action_view_show_cursors_->setCheckable(true);
86 action_view_show_cursors_->setIcon(QIcon(":/icons/show-cursors.svg"));
87 action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
88 connect(action_view_show_cursors_, SIGNAL(triggered(bool)),
89 this, SLOT(on_actionViewShowCursors_triggered()));
90 action_view_show_cursors_->setText(tr("Show &Cursors"));
92 action_sdm_last_->setIcon(QIcon(":/icons/view-displaymode-last_segment.svg"));
93 action_sdm_last_->setText(tr("Display last segment only"));
94 connect(action_sdm_last_, SIGNAL(triggered(bool)),
95 this, SLOT(on_actionSDMLast_triggered()));
97 action_sdm_last_complete_->setIcon(QIcon(":/icons/view-displaymode-last_complete_segment.svg"));
98 action_sdm_last_complete_->setText(tr("Display last complete segment only"));
99 connect(action_sdm_last_complete_, SIGNAL(triggered(bool)),
100 this, SLOT(on_actionSDMLastComplete_triggered()));
102 action_sdm_single_->setIcon(QIcon(":/icons/view-displaymode-single_segment.svg"));
103 action_sdm_single_->setText(tr("Display a single segment"));
104 connect(action_view_show_cursors_, SIGNAL(triggered(bool)),
105 this, SLOT(on_actionSDMSingle_triggered()));
107 segment_display_mode_selector_->addAction(action_sdm_last_);
108 segment_display_mode_selector_->addAction(action_sdm_last_complete_);
109 segment_display_mode_selector_->addAction(action_sdm_single_);
110 segment_display_mode_selector_->setPopupMode(QToolButton::InstantPopup);
111 segment_display_mode_selector_->hide();
113 segment_selector_->setMinimum(1);
114 segment_selector_->hide();
116 connect(&session_, SIGNAL(new_segment(int)),
117 this, SLOT(on_new_segment(int)));
119 connect(&session_, SIGNAL(segment_completed(int)),
120 view_, SLOT(on_segment_completed(int)));
122 connect(segment_selector_, SIGNAL(valueChanged(int)),
123 this, SLOT(on_segment_selected(int)));
124 connect(view_, SIGNAL(segment_changed(int)),
125 this, SLOT(on_segment_changed(int)));
127 connect(this, SIGNAL(segment_selected(int)),
128 view_, SLOT(on_segment_changed(int)));
130 connect(view_, SIGNAL(segment_display_mode_changed(int, bool)),
131 this, SLOT(on_segment_display_mode_changed(int, bool)));
133 connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)),
134 this, SLOT(on_always_zoom_to_fit_changed(bool)));
136 if (add_default_widgets)
137 add_toolbar_widgets();
140 Session &StandardBar::session() const
145 void StandardBar::add_toolbar_widgets()
148 addAction(action_view_zoom_in_);
149 addAction(action_view_zoom_out_);
150 addAction(action_view_zoom_fit_);
151 addAction(action_view_zoom_one_to_one_);
153 addAction(action_view_show_cursors_);
154 multi_segment_actions_.push_back(addSeparator());
155 multi_segment_actions_.push_back(addWidget(segment_display_mode_selector_));
156 multi_segment_actions_.push_back(addWidget(segment_selector_));
159 // Hide the multi-segment UI until we know that there are multiple segments
160 show_multi_segment_ui(false);
163 void StandardBar::show_multi_segment_ui(const bool state)
165 for (QAction* action : multi_segment_actions_)
166 action->setVisible(state);
168 on_segment_display_mode_changed(view_->segment_display_mode(),
169 view_->segment_is_selectable());
172 QAction* StandardBar::action_view_zoom_in() const
174 return action_view_zoom_in_;
177 QAction* StandardBar::action_view_zoom_out() const
179 return action_view_zoom_out_;
182 QAction* StandardBar::action_view_zoom_fit() const
184 return action_view_zoom_fit_;
187 QAction* StandardBar::action_view_zoom_one_to_one() const
189 return action_view_zoom_one_to_one_;
192 QAction* StandardBar::action_view_show_cursors() const
194 return action_view_show_cursors_;
197 void StandardBar::on_actionViewZoomIn_triggered()
202 void StandardBar::on_actionViewZoomOut_triggered()
207 void StandardBar::on_actionViewZoomFit_triggered(bool checked)
209 view_->zoom_fit(checked);
212 void StandardBar::on_actionViewZoomOneToOne_triggered()
214 view_->zoom_one_to_one();
217 void StandardBar::on_actionViewShowCursors_triggered()
219 const bool show = !view_->cursors_shown();
221 view_->centre_cursors();
223 view_->show_cursors(show);
226 void StandardBar::on_actionSDMLast_triggered()
228 view_->set_segment_display_mode(Trace::ShowLastSegmentOnly);
231 void StandardBar::on_actionSDMLastComplete_triggered()
233 view_->set_segment_display_mode(Trace::ShowLastCompleteSegmentOnly);
236 void StandardBar::on_actionSDMSingle_triggered()
238 view_->set_segment_display_mode(Trace::ShowSingleSegmentOnly);
241 void StandardBar::on_always_zoom_to_fit_changed(bool state)
243 action_view_zoom_fit_->setChecked(state);
246 void StandardBar::on_new_segment(int new_segment_id)
248 if (new_segment_id > 0) {
249 show_multi_segment_ui(true);
250 segment_selector_->setMaximum(new_segment_id + 1);
252 show_multi_segment_ui(false);
255 void StandardBar::on_segment_changed(int segment_id)
257 // We need to adjust the value by 1 because internally, segments
258 // start at 0 while they start with 1 for the spinbox
259 const uint32_t ui_segment_id = segment_id + 1;
261 // This is called when the current segment was changed
262 // by other parts of the UI, e.g. the view itself
264 // Make sure our value isn't limited by a too low maximum
265 // Note: this can happen if on_segment_changed() is called before
267 if ((uint32_t)segment_selector_->maximum() < ui_segment_id)
268 segment_selector_->setMaximum(ui_segment_id);
270 segment_selector_->setValue(ui_segment_id);
273 void StandardBar::on_segment_selected(int ui_segment_id)
275 // We need to adjust the value by 1 because internally, segments
276 // start at 0 while they start with 1 for the spinbox
277 const uint32_t segment_id = ui_segment_id - 1;
279 // This is called when the user selected a segment using the spin box
280 // or when the value of the spinbox was assigned a new value. Since we
281 // only care about the former, we filter out the latter:
282 if (segment_id == view_->current_segment())
285 // No matter which segment display mode we were in, we now show a single segment
286 if (view_->segment_display_mode() != Trace::ShowSingleSegmentOnly)
287 on_actionSDMSingle_triggered();
289 segment_selected(segment_id);
292 void StandardBar::on_segment_display_mode_changed(int mode, bool segment_selectable)
294 segment_selector_->setReadOnly(!segment_selectable);
296 switch ((Trace::SegmentDisplayMode)mode) {
297 case Trace::ShowLastSegmentOnly:
298 segment_display_mode_selector_->setDefaultAction(action_sdm_last_);
300 case Trace::ShowLastCompleteSegmentOnly:
301 segment_display_mode_selector_->setDefaultAction(action_sdm_last_complete_);
303 case Trace::ShowSingleSegmentOnly:
304 segment_display_mode_selector_->setDefaultAction(action_sdm_single_);