X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fmainwindow.cpp;h=8b32046a6e8d3db5aa3ccdfce967bf7022fc3a25;hp=3a775edde104d2500f00397730e63c8844de74d3;hb=812c0e3592e51946947b55c54b906bf4a0cb30e9;hpb=b4543062e0c62f893861cc41067f93e13a588ce8

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 3a775edd..8b32046a 100644
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -106,6 +106,7 @@ MainWindow::MainWindow(DeviceManager &device_manager,
 	action_view_zoom_out_(new QAction(this)),
 	action_view_zoom_fit_(new QAction(this)),
 	action_view_zoom_one_to_one_(new QAction(this)),
+	action_view_sticky_scrolling_(new QAction(this)),
 	action_view_show_cursors_(new QAction(this)),
 	action_about_(new QAction(this))
 #ifdef ENABLE_DECODE
@@ -160,6 +161,11 @@ QAction* MainWindow::action_view_zoom_one_to_one() const
 	return action_view_zoom_one_to_one_;
 }
 
+QAction* MainWindow::action_view_sticky_scrolling() const
+{
+	return action_view_sticky_scrolling_;
+}
+
 QAction* MainWindow::action_view_show_cursors() const
 {
 	return action_view_show_cursors_;
@@ -395,6 +401,7 @@ void MainWindow::setup_ui()
 		QString::fromUtf8("actionViewZoomOut"));
 	menu_view->addAction(action_view_zoom_out_);
 
+	action_view_zoom_fit_->setCheckable(true);
 	action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 	action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 		QIcon(":/icons/zoom-fit.png")));
@@ -411,6 +418,18 @@ void MainWindow::setup_ui()
 		QString::fromUtf8("actionViewZoomOneToOne"));
 	menu_view->addAction(action_view_zoom_one_to_one_);
 
+	menu_file->addSeparator();
+
+	action_view_sticky_scrolling_->setCheckable(true);
+	action_view_sticky_scrolling_->setChecked(true);
+	action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
+	action_view_sticky_scrolling_->setObjectName(
+		QString::fromUtf8("actionViewStickyScrolling"));
+	action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
+	menu_view->addAction(action_view_sticky_scrolling_);
+
+	view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
+
 	menu_view->addSeparator();
 
 	action_view_show_cursors_->setCheckable(true);
@@ -473,6 +492,12 @@ void MainWindow::setup_ui()
 		SLOT(capture_state_changed(int)));
 	connect(&session_, SIGNAL(device_selected()), this,
 		SLOT(device_selected()));
+
+	// Setup view_ events
+	connect(view_, SIGNAL(sticky_scrolling_changed(bool)), this,
+		SLOT(sticky_scrolling_changed(bool)));
+	connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)), this,
+		SLOT(always_zoom_to_fit_changed(bool)));
 }
 
 void MainWindow::select_init_device() {
@@ -598,7 +623,6 @@ void MainWindow::load_file(QString file_name,
 {
 	const QString errorMessage(
 		QString("Failed to load file %1").arg(file_name));
-	const QString infoMessage;
 
 	try {
 		if (format)
@@ -621,7 +645,7 @@ void MainWindow::load_file(QString file_name,
 
 	update_device_list();
 
-	session_.start_capture([&, errorMessage, infoMessage](QString) {
+	session_.start_capture([&, errorMessage](QString infoMessage) {
 		session_error(errorMessage, infoMessage); });
 }
 
@@ -707,7 +731,7 @@ void MainWindow::on_actionViewZoomOut_triggered()
 
 void MainWindow::on_actionViewZoomFit_triggered()
 {
-	view_->zoom_fit();
+	view_->zoom_fit(action_view_zoom_fit_->isChecked());
 }
 
 void MainWindow::on_actionViewZoomOneToOne_triggered()
@@ -715,12 +739,17 @@ void MainWindow::on_actionViewZoomOneToOne_triggered()
 	view_->zoom_one_to_one();
 }
 
+void MainWindow::on_actionViewStickyScrolling_triggered()
+{
+	view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
+}
+
 void MainWindow::on_actionViewShowCursors_triggered()
 {
 	assert(view_);
 
 	const bool show = !view_->cursors_shown();
-	if(show)
+	if (show)
 		view_->centre_cursors();
 
 	view_->show_cursors(show);
@@ -732,6 +761,16 @@ void MainWindow::on_actionAbout_triggered()
 	dlg.exec();
 }
 
+void MainWindow::sticky_scrolling_changed(bool state)
+{
+	action_view_sticky_scrolling_->setChecked(state);
+}
+
+void MainWindow::always_zoom_to_fit_changed(bool state)
+{
+	action_view_zoom_fit_->setChecked(state);
+}
+
 void MainWindow::add_decoder(srd_decoder *decoder)
 {
 #ifdef ENABLE_DECODE