Use a separate widget to hold the cursor labels.

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

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index d33d4ec95065a7eaae9ea2570d5eff5f3795c876..6c7df488e3492c6e87d893488af811d40c691d55 100644 (file)
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -30,6 +30,7 @@
 #include <QMouseEvent>
 #include <QScrollBar>
 
+#include "cursorheader.h"
 #include "decodetrace.h"
 #include "header.h"
 #include "ruler.h"
@@ -74,6 +75,7 @@ View::View(SigSession &session, QWidget *parent) :
        _session(session),
        _viewport(new Viewport(*this)),
        _ruler(new Ruler(*this)),
+       _cursorheader(new CursorHeader(*this)),
        _header(new Header(*this)),
        _scale(1e-6),
        _offset(0),
@@ -106,24 +108,28 @@ View::View(SigSession &session, QWidget *parent) :
                this, SLOT(on_signals_moved()));
 
        connect(_header, SIGNAL(selection_changed()),
-               _ruler, SLOT(clear_selection()));
-       connect(_ruler, SIGNAL(selection_changed()),
+               _cursorheader, SLOT(clear_selection()));
+       connect(_cursorheader, SIGNAL(selection_changed()),
                _header, SLOT(clear_selection()));
 
        connect(_header, SIGNAL(selection_changed()),
                this, SIGNAL(selection_changed()));
-       connect(_ruler, SIGNAL(selection_changed()),
+       connect(_cursorheader, SIGNAL(selection_changed()),
                this, SIGNAL(selection_changed()));
 
        setViewport(_viewport);
 
        _viewport->installEventFilter(this);
        _ruler->installEventFilter(this);
+       _cursorheader->installEventFilter(this);
        _header->installEventFilter(this);
 
        // Trigger the initial event manually. The default device has signals
        // which were created before this object came into being
        signals_changed();
+
+       // make sure the cursorheader is over the ruler
+       _cursorheader->raise();
 }
 
 SigSession& View::session()
@@ -213,6 +219,7 @@ void View::set_scale_offset(double scale, double offset)
 
        update_scroll();
        _ruler->update();
+       _cursorheader->update();
        _viewport->update();
        scale_offset_changed();
 }
@@ -305,7 +312,7 @@ bool View::cursors_shown() const
 void View::show_cursors(bool show)
 {
        _show_cursors = show;
-       _ruler->update();
+       _cursorheader->update();
        _viewport->update();
 }
 
@@ -314,7 +321,7 @@ 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();
+       _cursorheader->update();
        _viewport->update();
 }
 
@@ -409,6 +416,10 @@ void View::update_layout()
                _ruler->sizeHint().height(), 0, 0);
        _ruler->setGeometry(_viewport->x(), 0,
                _viewport->width(), _viewport->y());
+       _cursorheader->setGeometry(
+               _viewport->x(),
+               _ruler->sizeHint().height() - _cursorheader->sizeHint().height() / 2,
+               _viewport->width(), _cursorheader->sizeHint().height());
        _header->setGeometry(0, _viewport->y(),
                _viewport->x(), _viewport->height());
        update_scroll();
@@ -430,7 +441,7 @@ bool View::eventFilter(QObject *object, QEvent *event)
                const QMouseEvent *const mouse_event = (QMouseEvent*)event;
                if (object == _viewport)
                        _hover_point = mouse_event->pos();
-               else if (object == _ruler)
+               else if (object == _ruler || object == _cursorheader)
                        _hover_point = QPoint(mouse_event->x(), 0);
                else if (object == _header)
                        _hover_point = QPoint(0, mouse_event->y());
@@ -483,6 +494,7 @@ void View::h_scroll_value_changed(int value)
        }
 
        _ruler->update();
+       _cursorheader->update();
        _viewport->update();
 }
 
@@ -518,7 +530,7 @@ void View::data_updated()
 
 void View::marker_time_changed()
 {
-       _ruler->update();
+       _cursorheader->update();
        _viewport->update();
 }