RowItemOwner: Added depth() method

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

diff --git a/pv/view/view.h b/pv/view/view.h
index 07bd5d9caeade08c0f75b90da5003c423f8dde7a..2f7462978943a84362ff295f95a29011bef6599d 100644 (file)
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -29,6 +29,7 @@
 
 #include <QAbstractScrollArea>
 #include <QSizeF>
+#include <QTimer>
 
 #include <pv/data/signaldata.h>
 
@@ -49,6 +50,12 @@ class Viewport;
 class View : public QAbstractScrollArea, public RowItemOwner {
        Q_OBJECT
 
+private:
+       enum StickyEvents {
+               SelectableItemHExtentsChanged = 1,
+               SelectableItemVExtentsChanged = 2
+       };
+
 private:
        static const double MaxScale;
        static const double MinScale;
@@ -92,6 +99,11 @@ public:
        double offset() const;
        int owner_v_offset() const;
 
+       /**
+        * Returns the number of nested parents that this row item owner has.
+        */
+       unsigned int depth() const;
+
        void zoom(double steps);
        void zoom(double steps, int offset);
 
@@ -188,6 +200,11 @@ private:
 
        void resizeEvent(QResizeEvent *e);
 
+public:
+       void appearance_changed(bool label, bool content);
+
+       void extents_changed(bool horz, bool vert);
+
 private Q_SLOTS:
 
        void h_scroll_value_changed(int value);
@@ -200,7 +217,7 @@ private Q_SLOTS:
 
        void on_signals_moved();
 
-       void on_geometry_updated();
+       void process_sticky_events();
 
        void on_hover_point_changed();
 
@@ -225,6 +242,9 @@ private:
        CursorPair _cursors;
 
        QPoint _hover_point;
+
+       unsigned int _sticky_events;
+       QTimer _lazy_event_handler;
 };
 
 } // namespace view