X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fmarginwidget.cpp;fp=pv%2Fview%2Fmarginwidget.cpp;h=e20e7b9f00afe664e72439969b73fe5894b6eca7;hp=2ef262762cc0c13a7683b0aa7379099e3fca2502;hb=6a2cc8dd37f6d128ad7e16b9a7a78bb44d5a5aa5;hpb=5a6a4ce3e32a250cd586f4755573ed3bed530d7b

diff --git a/pv/view/marginwidget.cpp b/pv/view/marginwidget.cpp
index 2ef26276..e20e7b9f 100644
--- a/pv/view/marginwidget.cpp
+++ b/pv/view/marginwidget.cpp
@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <QApplication>
 #include <QMenu>
 #include <QMouseEvent>
 
@@ -49,6 +50,47 @@ void MarginWidget::show_popup(const shared_ptr<ViewItem> &item)
 		p->show();
 }
 
+void MarginWidget::mouse_left_press_event(QMouseEvent *event)
+{
+	(void)event;
+
+	const bool ctrl_pressed =
+		QApplication::keyboardModifiers() & Qt::ControlModifier;
+
+	// Clear selection if control is not pressed and this item is unselected
+	if ((!mouse_down_item_ || !mouse_down_item_->selected()) &&
+		!ctrl_pressed)
+		clear_selection();
+
+	// Set the signal selection state if the item has been clicked
+	if (mouse_down_item_) {
+		if (ctrl_pressed)
+			mouse_down_item_->select(!mouse_down_item_->selected());
+		else
+			mouse_down_item_->select(true);
+	}
+
+	// Save the offsets of any signals which will be dragged
+	const auto items = this->items();
+	for (auto &i : items)
+		if (i->selected())
+			i->drag();
+
+	selection_changed();
+	update();
+}
+
+void MarginWidget::mousePressEvent(QMouseEvent *event)
+{
+	assert(event);
+
+	mouse_down_point_ = event->pos();
+	mouse_down_item_ = get_mouse_over_item(event->pos());
+
+	if (event->button() & Qt::LeftButton)
+		mouse_left_press_event(event);
+}
+
 void MarginWidget::leaveEvent(QEvent*)
 {
 	mouse_point_ = QPoint(-1, -1);