#include <memory>
#include <set>
+#include <unordered_map>
#include <vector>
#include <QAbstractScrollArea>
#include <QSizeF>
+#include <QTimer>
#include <pv/data/signaldata.h>
#include "cursorpair.h"
+#include "rowitemowner.h"
namespace pv {
namespace view {
+class CursorHeader;
class Header;
class Ruler;
-class Trace;
class Viewport;
-class View : public QAbstractScrollArea {
+class View : public QAbstractScrollArea, public RowItemOwner {
Q_OBJECT
+private:
+ enum StickyEvents {
+ SelectableItemHExtentsChanged = 1,
+ SelectableItemVExtentsChanged = 2
+ };
+
private:
static const double MaxScale;
static const double MinScale;
static const int MaxScrollValue;
public:
- static const int SignalHeight;
- static const int SignalMargin;
- static const int SignalSnapGridSize;
-
static const QColor CursorAreaColour;
static const QSizeF LabelPadding;
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_visual_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);
*/
void set_scale_offset(double scale, double offset);
- std::vector< std::shared_ptr<Trace> > get_traces() const;
-
- std::list<std::weak_ptr<SelectableItem> > selected_items() const;
-
std::set< std::shared_ptr<pv::data::SignalData> >
get_visible_data() const;
const QPoint& hover_point() const;
- void normalize_layout();
-
void update_viewport();
-signals:
+ void restack_all_row_items();
+
+Q_SIGNALS:
void hover_point_changed();
void signals_moved();
void update_layout();
- static bool compare_trace_v_offsets(
- const std::shared_ptr<pv::view::Trace> &a,
- const std::shared_ptr<pv::view::Trace> &b);
+ /**
+ * 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);
+
+ static bool add_channels_to_owner(
+ const std::vector< std::shared_ptr<sigrok::Channel> > &channels,
+ RowItemOwner *owner, int &offset,
+ std::unordered_map<std::shared_ptr<sigrok::Channel>,
+ std::shared_ptr<Signal> > &signal_map,
+ std::function<bool (std::shared_ptr<RowItem>)> filter_func =
+ std::function<bool (std::shared_ptr<RowItem>)>());
+
+ static void apply_offset(
+ std::shared_ptr<RowItem> row_item, int &offset);
private:
bool eventFilter(QObject *object, QEvent *event);
void resizeEvent(QResizeEvent *e);
-private slots:
+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);
void v_scroll_value_changed(int value);
void on_signals_moved();
- void on_geometry_updated();
+ void process_sticky_events();
+
+ void on_hover_point_changed();
private:
SigSession &_session;
Viewport *_viewport;
Ruler *_ruler;
+ CursorHeader *_cursorheader;
Header *_header;
/// The view time scale in seconds per pixel.
CursorPair _cursors;
QPoint _hover_point;
+
+ unsigned int _sticky_events;
+ QTimer _lazy_event_handler;
};
} // namespace view