#include <stdint.h>
+#include <memory>
+#include <set>
+#include <vector>
+
#include <QAbstractScrollArea>
#include <QSizeF>
+#include <pv/data/signaldata.h>
+
#include "cursorpair.h"
+#include "rowitemowner.h"
namespace pv {
namespace view {
+class CursorHeader;
class Header;
class Ruler;
class Viewport;
-class View : public QAbstractScrollArea {
+class View : public QAbstractScrollArea, public RowItemOwner {
Q_OBJECT
private:
static const double MaxScale;
static const double MinScale;
- static const int LabelMarginWidth;
- static const int RulerHeight;
-
static const int MaxScrollValue;
public:
explicit View(SigSession &session, QWidget *parent = 0);
SigSession& session();
+ const SigSession& session() const;
+
+ /**
+ * Returns the view of the owner.
+ */
+ virtual pv::view::View* view();
+
+ /**
+ * Returns the view of the owner.
+ */
+ virtual const pv::view::View* view() const;
+
+ Viewport* viewport();
+
+ const Viewport* viewport() const;
/**
* Returns the view time scale in seconds per pixel.
* seconds.
*/
double offset() const;
- int v_offset() const;
+ int owner_v_offset() const;
void zoom(double steps);
void zoom(double steps, int offset);
+ void zoom_fit();
+
+ void zoom_one_to_one();
+
/**
* Sets the scale and offset.
* @param scale The new view scale in seconds per pixel.
*/
void set_scale_offset(double scale, double offset);
+ std::list<std::weak_ptr<SelectableItem> > selected_items() const;
+
+ std::set< std::shared_ptr<pv::data::SignalData> >
+ get_visible_data() const;
+
+ std::pair<double, double> get_time_extents() const;
+
/**
* Returns true if cursors are displayed. false otherwise.
*/
*/
CursorPair& cursors();
+ /**
+ * Returns a reference to the pair of cursors.
+ */
+ const CursorPair& cursors() const;
+
const QPoint& hover_point() const;
void normalize_layout();
-signals:
+ void update_viewport();
+
+Q_SIGNALS:
void hover_point_changed();
void signals_moved();
+ void selection_changed();
+
+ void scale_offset_changed();
+
private:
void get_scroll_layout(double &length, double &offset) const;
-
+
+ /**
+ * Simultaneously sets the zoom and offset.
+ * @param scale The scale to set the view to in seconds per pixel. This
+ * value is clamped between MinScale and MaxScale.
+ * @param offset The offset of the left edge of the view in seconds.
+ */
+ void set_zoom(double scale, int offset);
+
void update_scroll();
- void reset_signal_layout();
+ void update_layout();
+
+ /**
+ * Satisifies RowItem functionality.
+ * @param p the QPainter to paint into.
+ * @param right the x-coordinate of the right edge of the header
+ * area.
+ * @param hover true if the label is being hovered over by the mouse.
+ */
+ void paint_label(QPainter &p, int right, bool hover);
+
+ /**
+ * Computes the outline rectangle of a label.
+ * @param right the x-coordinate of the right edge of the header
+ * area.
+ * @return Returns the rectangle of the signal label.
+ */
+ QRectF label_rect(int right);
private:
bool eventFilter(QObject *object, QEvent *event);
void resizeEvent(QResizeEvent *e);
-private slots:
+private Q_SLOTS:
void h_scroll_value_changed(int value);
void v_scroll_value_changed(int value);
void on_signals_moved();
+ void on_geometry_updated();
+
+ void on_hover_point_changed();
+
private:
SigSession &_session;
Viewport *_viewport;
Ruler *_ruler;
+ CursorHeader *_cursorheader;
Header *_header;
- uint64_t _data_length;
-
/// The view time scale in seconds per pixel.
double _scale;