Change namespace for the trace view and implement ViewBase

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

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index ac494272de8705522a6c1ca43e073dbd3f9d23d0..564b331cf99e6157c92f857f8126a80700c5efc4 100644 (file)
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -32,6 +32,8 @@
 
 #include <QMouseEvent>
 
+#include <QDebug>
+
 using std::abs;
 using std::back_inserter;
 using std::copy;
@@ -45,7 +47,8 @@ using std::stable_sort;
 using std::vector;
 
 namespace pv {
-namespace view {
+namespace views {
+namespace TraceView {
 
 Viewport::Viewport(View &parent) :
        ViewWidget(parent),
@@ -68,7 +71,7 @@ shared_ptr<ViewItem> Viewport::get_mouse_over_item(const QPoint &pt)
 
 void Viewport::item_hover(const shared_ptr<ViewItem> &item)
 {
-       if (item)
+       if (item && item->is_draggable())
                setCursor(dynamic_pointer_cast<RowItem>(item) ?
                        Qt::SizeVerCursor : Qt::SizeHorCursor);
        else
@@ -78,6 +81,7 @@ void Viewport::item_hover(const shared_ptr<ViewItem> &item)
 void Viewport::drag()
 {
        drag_offset_ = view_.offset();
+       drag_v_offset_ = view_.owner_visual_v_offset();
 }
 
 void Viewport::drag_by(const QPoint &delta)
@@ -87,6 +91,8 @@ void Viewport::drag_by(const QPoint &delta)
 
        view_.set_scale_offset(view_.scale(),
                (*drag_offset_ - delta.x() * view_.scale()));
+
+       view_.set_v_offset(-drag_v_offset_ - delta.y());
 }
 
 void Viewport::drag_release()
@@ -199,29 +205,27 @@ void Viewport::mouseDoubleClickEvent(QMouseEvent *event)
                view_.zoom(-2.0, event->x());
 }
 
-void Viewport::wheelEvent(QWheelEvent *e)
+void Viewport::wheelEvent(QWheelEvent *event)
 {
-       assert(e);
+       assert(event);
 
-       if (e->orientation() == Qt::Vertical)
-       {
-               if (e->modifiers() & Qt::ControlModifier) {
+       if (event->orientation() == Qt::Vertical) {
+               if (event->modifiers() & Qt::ControlModifier) {
                        // Vertical scrolling with the control key pressed
                        // is intrepretted as vertical scrolling
                        view_.set_v_offset(-view_.owner_visual_v_offset() -
-                               (e->delta() * height()) / (8 * 120));
+                               (event->delta() * height()) / (8 * 120));
                } else {
                        // Vertical scrolling is interpreted as zooming in/out
-                       view_.zoom(e->delta() / 120, e->x());
+                       view_.zoom(event->delta() / 120, event->x());
                }
-       }
-       else if (e->orientation() == Qt::Horizontal)
-       {
+       } else if (event->orientation() == Qt::Horizontal) {
                // Horizontal scrolling is interpreted as moving left/right
                view_.set_scale_offset(view_.scale(),
-                       e->delta() * view_.scale() + view_.offset());
+                       event->delta() * view_.scale() + view_.offset());
        }
 }
 
-} // namespace view
+} // namespace TraceView
+} // namespace views
 } // namespace pv