* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef PULSEVIEW_PV_VIEW_VIEW_H
-#define PULSEVIEW_PV_VIEW_VIEW_H
+#ifndef PULSEVIEW_PV_VIEW_VIEW_HPP
+#define PULSEVIEW_PV_VIEW_VIEW_HPP
#include <stdint.h>
#include <QTimer>
#include <pv/data/signaldata.hpp>
+#include <pv/util.hpp>
#include "cursorpair.hpp"
#include "flag.hpp"
-#include "rowitemowner.hpp"
+#include "tracetreeitemowner.hpp"
+
+namespace sigrok {
+class ChannelGroup;
+}
namespace pv {
class CursorHeader;
class Header;
class Ruler;
+class Trace;
class Viewport;
-class View : public QAbstractScrollArea, public RowItemOwner {
+class View : public QAbstractScrollArea, public TraceTreeItemOwner {
Q_OBJECT
private:
enum StickyEvents {
- RowItemHExtentsChanged = 1,
- RowItemVExtentsChanged = 2
+ TraceTreeItemHExtentsChanged = 1,
+ TraceTreeItemVExtentsChanged = 2
};
private:
- static const double MaxScale;
- static const double MinScale;
+ static const pv::util::Timestamp MaxScale;
+ static const pv::util::Timestamp MinScale;
static const int MaxScrollValue;
+ static const int MaxViewAutoUpdateRate;
static const int ScaleUnits[3];
* Returns the time offset of the left edge of the view in
* seconds.
*/
- double offset() const;
+ const pv::util::Timestamp& offset() const;
/**
* Returns the vertical scroll offset.
*/
int owner_visual_v_offset() const;
+ /**
+ * Sets the visual v-offset.
+ */
+ void set_v_offset(int offset);
+
/**
* Returns the SI prefix to apply to the graticule time markings.
*/
- unsigned int tick_prefix() const;
+ pv::util::SIPrefix tick_prefix() const;
+
+ /**
+ * Returns the number of fractional digits shown for the time markings.
+ */
+ unsigned int tick_precision() const;
/**
* Returns period of the graticule time markings.
*/
- double tick_period() const;
+ const pv::util::Timestamp& tick_period() const;
+
+ /**
+ * Returns the unit of time currently used.
+ */
+ util::TimeUnit time_unit() const;
/**
* Returns the number of nested parents that this row item owner has.
void zoom(double steps);
void zoom(double steps, int offset);
- void zoom_fit();
+ void zoom_fit(bool gui_state);
void zoom_one_to_one();
* @param scale The new view scale in seconds per pixel.
* @param offset The view time offset in seconds.
*/
- void set_scale_offset(double scale, double offset);
+ void set_scale_offset(double scale, const pv::util::Timestamp& offset);
std::set< std::shared_ptr<pv::data::SignalData> >
get_visible_data() const;
- std::pair<double, double> get_time_extents() const;
+ std::pair<pv::util::Timestamp, pv::util::Timestamp> get_time_extents() const;
+
+ /**
+ * Enables or disables sticky scrolling, i.e. the view always shows
+ * the most recent samples when capturing data.
+ */
+ void enable_sticky_scrolling(bool state);
/**
* Returns true if cursors are displayed. false otherwise.
/**
* Adds a new flag at a specified time.
*/
- void add_flag(double time);
+ void add_flag(const pv::util::Timestamp& time);
/**
* Removes a flag from the list.
void update_viewport();
- void restack_all_row_items();
+ void restack_all_trace_tree_items();
Q_SIGNALS:
void hover_point_changed();
void selection_changed();
- void scale_offset_changed();
+ /// Emitted when the offset changed.
+ void offset_changed();
+
+ /// Emitted when the scale changed.
+ void scale_changed();
+
+ void sticky_scrolling_changed(bool state);
+
+ void always_zoom_to_fit_changed(bool state);
+
+ /// Emitted when the tick_prefix changed.
+ void tick_prefix_changed();
+
+ /// Emitted when the tick_precision changed.
+ void tick_precision_changed();
+
+ /// Emitted when the tick_period changed.
+ void tick_period_changed();
+
+ /// Emitted when the time_unit changed.
+ void time_unit_changed();
private:
- void get_scroll_layout(double &length, double &offset) const;
+ void get_scroll_layout(double &length, pv::util::Timestamp &offset) const;
/**
* Simultaneously sets the zoom and offset.
void update_layout();
/**
- * Satisifies RowItem functionality.
+ * Satisifies TraceTreeItem functionality.
* @param p the QPainter to paint into.
* @param rect the rectangle of the header area.
* @param hover true if the label is being hovered over by the mouse.
*/
QRectF label_rect(const QRectF &rect);
- static bool add_channels_to_owner(
+ TraceTreeItemOwner* find_prevalent_trace_group(
+ const std::shared_ptr<sigrok::ChannelGroup> &group,
+ const std::unordered_map<std::shared_ptr<sigrok::Channel>,
+ std::shared_ptr<Signal> > &signal_map);
+
+ static std::vector< std::shared_ptr<Trace> >
+ extract_new_traces_for_channels(
const std::vector< std::shared_ptr<sigrok::Channel> > &channels,
- RowItemOwner *owner, int &offset,
- std::unordered_map<std::shared_ptr<sigrok::Channel>,
+ const 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>)>());
+ std::set< std::shared_ptr<Trace> > &add_list);
- static void apply_offset(
- std::shared_ptr<RowItem> row_item, int &offset);
+ void determine_time_unit();
-private:
bool eventFilter(QObject *object, QEvent *event);
bool viewportEvent(QEvent *e);
void v_scroll_value_changed();
void signals_changed();
+ void capture_state_updated(int state);
void data_updated();
+ void perform_delayed_view_update();
+
void process_sticky_events();
void on_hover_point_changed();
+ /**
+ * Sets the 'offset_' member and emits the 'offset_changed'
+ * signal if needed.
+ */
+ void set_offset(const pv::util::Timestamp& offset);
+
+ /**
+ * Sets the 'scale_' member and emits the 'scale_changed'
+ * signal if needed.
+ */
+ void set_scale(double scale);
+
+ /**
+ * Sets the 'tick_prefix_' member and emits the 'tick_prefix_changed'
+ * signal if needed.
+ */
+ void set_tick_prefix(pv::util::SIPrefix tick_prefix);
+
+ /**
+ * Sets the 'tick_precision_' member and emits the 'tick_precision_changed'
+ * signal if needed.
+ */
+ void set_tick_precision(unsigned tick_precision);
+
+ /**
+ * Sets the 'tick_period_' member and emits the 'tick_period_changed'
+ * signal if needed.
+ */
+ void set_tick_period(const pv::util::Timestamp& tick_period);
+
+ /**
+ * Sets the 'time_unit' member and emits the 'time_unit_changed'
+ * signal if needed.
+ */
+ void set_time_unit(pv::util::TimeUnit time_unit);
+
private:
Session &session_;
double scale_;
/// The view time offset in seconds.
- double offset_;
+ pv::util::Timestamp offset_;
bool updating_scroll_;
+ bool sticky_scrolling_;
+ bool always_zoom_to_fit_;
+ QTimer delayed_view_updater_;
- double tick_period_;
- unsigned int tick_prefix_;
+ pv::util::Timestamp tick_period_;
+ pv::util::SIPrefix tick_prefix_;
+ unsigned int tick_precision_;
+ util::TimeUnit time_unit_;
bool show_cursors_;
std::shared_ptr<CursorPair> cursors_;
} // namespace view
} // namespace pv
-#endif // PULSEVIEW_PV_VIEW_VIEW_H
+#endif // PULSEVIEW_PV_VIEW_VIEW_HPP