View: Added set_v_offset

[pulseview.git] / pv / view / view.cpp

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index cce5e11b6f99ddb2cc4ecb4bac47707beaa6f959..c09609ac65d49daa9a9ad8988ff805f84cc39a6f 100644 (file)
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -92,7 +92,6 @@ View::View(Session &session, QWidget *parent) :
        header_(new Header(*this)),
        scale_(1e-6),
        offset_(0),
-       v_offset_(0),
        updating_scroll_(false),
        tick_period_(0.0),
        tick_prefix_(0),
@@ -104,7 +103,7 @@ View::View(Session &session, QWidget *parent) :
        connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
                this, SLOT(h_scroll_value_changed(int)));
        connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
-               this, SLOT(v_scroll_value_changed(int)));
+               this, SLOT(v_scroll_value_changed()));
 
        connect(&session_, SIGNAL(signals_changed()),
                this, SLOT(signals_changed()));
@@ -202,7 +201,14 @@ double View::offset() const
 
 int View::owner_visual_v_offset() const
 {
-       return -v_offset_;
+       return -verticalScrollBar()->sliderPosition();
+}
+
+void View::set_v_offset(int offset)
+{
+       verticalScrollBar()->setSliderPosition(offset);
+       header_->update();
+       viewport_->update();
 }
 
 unsigned int View::depth() const
@@ -656,9 +662,8 @@ void View::h_scroll_value_changed(int value)
        viewport_->update();
 }
 
-void View::v_scroll_value_changed(int value)
+void View::v_scroll_value_changed()
 {
-       v_offset_ = value;
        header_->update();
        viewport_->update();
 }