Added selection_changed signal to pv::view::View

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

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 95b8a5bec9e9f1fde845898ee5ed7a0cf1bfcc58..bc82e0b4c4a6c7ab2b9e9e5c3896c81fac66db92 100644 (file)
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -72,8 +72,7 @@ View::View(SigSession &session, QWidget *parent) :
        _v_offset(0),
        _updating_scroll(false),
        _show_cursors(false),
-       _cursors(pair<Cursor, Cursor>(Cursor(*this, 0.0),
-               Cursor(*this, 1.0))),
+       _cursors(*this),
        _hover_point(-1, -1)
 {
        connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
@@ -86,14 +85,24 @@ View::View(SigSession &session, QWidget *parent) :
        connect(&_session, SIGNAL(data_updated()),
                this, SLOT(data_updated()));
 
-       connect(&_cursors.first, SIGNAL(time_changed()),
+       connect(&_cursors.first(), SIGNAL(time_changed()),
                this, SLOT(marker_time_changed()));
-       connect(&_cursors.second, SIGNAL(time_changed()),
+       connect(&_cursors.second(), SIGNAL(time_changed()),
                this, SLOT(marker_time_changed()));
 
        connect(_header, SIGNAL(signals_moved()),
                this, SLOT(on_signals_moved()));
 
+       connect(_header, SIGNAL(selection_changed()),
+               _ruler, SLOT(clear_selection()));
+       connect(_ruler, SIGNAL(selection_changed()),
+               _header, SLOT(clear_selection()));
+
+       connect(_header, SIGNAL(selection_changed()),
+               this, SIGNAL(selection_changed()));
+       connect(_ruler, SIGNAL(selection_changed()),
+               this, SIGNAL(selection_changed()));
+
        setViewportMargins(LabelMarginWidth, RulerHeight, 0, 0);
        setViewport(_viewport);
 
@@ -162,7 +171,16 @@ void View::show_cursors(bool show)
        _viewport->update();
 }
 
-std::pair<Cursor, Cursor>& View::cursors()
+void View::centre_cursors()
+{
+       const double time_width = _scale * _viewport->width();
+       _cursors.first().set_time(_offset + time_width * 0.4);
+       _cursors.second().set_time(_offset + time_width * 0.6);
+       _ruler->update();
+       _viewport->update();
+}
+
+CursorPair& View::cursors()
 {
        return _cursors;
 }