X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=7d3dc7f628a73b9bd5e4be03d6c8a6e45e33dfb2;hb=f76af6375b8aea6b7edb2d6ee838e1589c3490f3;hp=dcf60327680cae507f2fea2c08097cbfb98b62a5;hpb=f25770e201ed07f056d04188b6cd09c81fd55fa4;p=pulseview.git

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index dcf6032..7d3dc7f 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
  *
  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
  *
@@ -25,6 +25,7 @@
 #include <boost/foreach.hpp>
 
 #include <QEvent>
+#include <QMouseEvent>
 #include <QScrollBar>
 
 #include "header.h"
@@ -32,9 +33,9 @@
 #include "view.h"
 #include "viewport.h"
 
-#include "../../logicdata.h"
-#include "../../logicdatasnapshot.h"
-#include "../../sigsession.h"
+#include "../logicdata.h"
+#include "../logicdatasnapshot.h"
+#include "../sigsession.h"
 
 using namespace boost;
 using namespace std;
@@ -52,6 +53,8 @@ const int View::MaxScrollValue = INT_MAX / 2;
 
 const int View::SignalHeight = 50;
 
+const QColor View::CursorAreaColour(220, 231, 243);
+
 View::View(SigSession &session, QWidget *parent) :
 	QAbstractScrollArea(parent),
 	_session(session),
@@ -61,7 +64,11 @@ View::View(SigSession &session, QWidget *parent) :
 	_data_length(0),
 	_scale(1e-6),
 	_offset(0),
-	_v_offset(0)
+	_v_offset(0),
+	_show_cursors(false),
+	_cursors(pair<Cursor, Cursor>(Cursor(*this, 0.0),
+		Cursor(*this, 1.0))),
+	_hover_point(-1, -1)
 {
 	connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
 		this, SLOT(h_scroll_value_changed(int)));
@@ -72,6 +79,10 @@ View::View(SigSession &session, QWidget *parent) :
 
 	setViewportMargins(LabelMarginWidth, RulerHeight, 0, 0);
 	setViewport(_viewport);
+
+	_viewport->installEventFilter(this);
+	_ruler->installEventFilter(this);
+	_header->installEventFilter(this);
 }
 
 SigSession& View::session()
@@ -122,6 +133,28 @@ void View::set_scale_offset(double scale, double offset)
 	_viewport->update();
 }
 
+bool View::cursors_shown() const
+{
+	return _show_cursors;
+}
+
+void View::show_cursors(bool show)
+{
+	_show_cursors = show;
+	_ruler->update();
+	_viewport->update();
+}
+
+std::pair<Cursor, Cursor>& View::cursors()
+{
+	return _cursors;
+}
+
+const QPoint& View::hover_point() const
+{
+	return _hover_point;
+}
+
 void View::get_scroll_layout(double &length, double &offset) const
 {
 	const shared_ptr<SignalData> sig_data = _session.get_data();
@@ -160,6 +193,31 @@ void View::update_scroll()
 		_viewport->get_total_height() - areaSize.height());
 }
 
+bool View::eventFilter(QObject *object, QEvent *event)
+{
+	const QEvent::Type type = event->type();
+	if(type == QEvent::MouseMove) {
+
+		const QMouseEvent *const mouse_event = (QMouseEvent*)event;
+		if(object == _viewport)
+			_hover_point = mouse_event->pos();
+		else if(object == _ruler)
+			_hover_point = QPoint(mouse_event->x(), 0);
+		else if(object == _header)
+			_hover_point = QPoint(0, mouse_event->y());
+		else
+			_hover_point = QPoint(-1, -1);
+
+		hover_point_changed();
+
+	} else if(type == QEvent::Leave) {
+		_hover_point = QPoint(-1, -1);
+		hover_point_changed();
+	}
+
+	return QObject::eventFilter(object, event);
+}
+
 bool View::viewportEvent(QEvent *e)
 {
 	switch(e->type()) {