X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fview.cpp;h=ae98dc3a85a50c30c377929dede032a81bbcb894;hb=476ca5f48e8a528d529f36b8b0c8471c655415ad;hp=4b95a806a490cf492ad33cb6e2b537b5f8744165;hpb=4468ee4246cd5e47845494e8b3b22a17d434ed5b;p=pulseview.git

diff --git a/pv/views/trace/view.cpp b/pv/views/trace/view.cpp
index 4b95a806..ae98dc3a 100644
--- a/pv/views/trace/view.cpp
+++ b/pv/views/trace/view.cpp
@@ -130,7 +130,8 @@ View::View(Session &session, bool is_main_view, QWidget *parent) :
 	// Note: Place defaults in View::reset_view_state(), not here
 	splitter_(new QSplitter()),
 	header_was_shrunk_(false),  // The splitter remains unchanged after a reset, so this goes here
-	sticky_scrolling_(false)  // Default setting is set in MainWindow::setup_ui()
+	sticky_scrolling_(false),  // Default setting is set in MainWindow::setup_ui()
+	scroll_needs_defaults_(true)
 {
 	QVBoxLayout *root_layout = new QVBoxLayout(this);
 	root_layout->setContentsMargins(0, 0, 0, 0);
@@ -205,11 +206,33 @@ View::View(Session &session, bool is_main_view, QWidget *parent) :
 		this, SLOT(process_sticky_events()));
 	lazy_event_handler_.setSingleShot(true);
 
+	// Set up local keyboard shortcuts
+	zoom_in_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Plus), this,
+			SLOT(on_zoom_in_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut);
+	zoom_in_shortcut_->setAutoRepeat(false);
+
+	zoom_out_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Minus), this,
+		SLOT(on_zoom_out_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut);
+	zoom_out_shortcut_->setAutoRepeat(false);
+
+	zoom_in_shortcut_2_ = new QShortcut(QKeySequence(Qt::Key_Up), this,
+		SLOT(on_zoom_in_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut);
+	zoom_out_shortcut_2_ = new QShortcut(QKeySequence(Qt::Key_Down), this,
+		SLOT(on_zoom_out_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut);
+
+	home_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Home), this,
+		SLOT(on_scroll_to_start_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut);
+	home_shortcut_->setAutoRepeat(false);
+
+	end_shortcut_ = new QShortcut(QKeySequence(Qt::Key_End), this,
+		SLOT(on_scroll_to_end_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut);
+	end_shortcut_->setAutoRepeat(false);
+
 	// Trigger the initial event manually. The default device has signals
 	// which were created before this object came into being
 	signals_changed();
 
-	// make sure the transparent widgets are on the top
+	// Make sure the transparent widgets are on the top
 	ruler_->raise();
 	header_->raise();
 
@@ -510,6 +533,18 @@ void View::set_v_offset(int offset)
 	viewport_->update();
 }
 
+void View::set_h_offset(int offset)
+{
+	scrollarea_->horizontalScrollBar()->setSliderPosition(offset);
+	header_->update();
+	viewport_->update();
+}
+
+int View::get_h_scrollbar_maximum() const
+{
+	return scrollarea_->horizontalScrollBar()->maximum();
+}
+
 unsigned int View::depth() const
 {
 	return 0;
@@ -832,15 +867,17 @@ shared_ptr<CursorPair> View::cursors() const
 	return cursors_;
 }
 
-void View::add_flag(const Timestamp& time)
+shared_ptr<Flag> View::add_flag(const Timestamp& time)
 {
-	flags_.push_back(make_shared<Flag>(*this, time,
-		QString("%1").arg(next_flag_text_)));
+	shared_ptr<Flag> flag =
+		make_shared<Flag>(*this, time, QString("%1").arg(next_flag_text_));
+	flags_.push_back(flag);
 
 	next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' :
 		(next_flag_text_ + 1);
 
 	time_item_appearance_changed(true, true);
+	return flag;
 }
 
 void View::remove_flag(shared_ptr<Flag> flag)
@@ -1476,6 +1513,26 @@ void View::on_splitter_moved()
 		resize_header_to_fit();
 }
 
+void View::on_zoom_in_shortcut_triggered()
+{
+	zoom(1);
+}
+
+void View::on_zoom_out_shortcut_triggered()
+{
+	zoom(-1);
+}
+
+void View::on_scroll_to_start_shortcut_triggered()
+{
+	set_h_offset(0);
+}
+
+void View::on_scroll_to_end_shortcut_triggered()
+{
+	set_h_offset(get_h_scrollbar_maximum());
+}
+
 void View::h_scroll_value_changed(int value)
 {
 	if (updating_scroll_)