X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=8664ba8de28a368257b88836b09a69559f9a2066;hb=448a72cf7f0225eace2335ec05b979c4e9a6b882;hp=85e990f7464660fe596635f2b41018cc5527bdca;hpb=84a0d458a4b04141dd45af6dec44d36782ee163e;p=pulseview.git

diff --git a/pv/view/view.h b/pv/view/view.h
index 85e990f7..8664ba8d 100644
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -25,14 +25,17 @@
 
 #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 {
 
@@ -43,12 +46,17 @@ 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;
@@ -56,10 +64,6 @@ private:
 	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;
@@ -70,6 +74,20 @@ public:
 	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.
 	 */
@@ -80,7 +98,12 @@ public:
 	 * 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);
@@ -96,10 +119,6 @@ public:
 	 */
 	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;
 
@@ -132,11 +151,11 @@ public:
 
 	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();
@@ -160,9 +179,33 @@ private:
 
 	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);
@@ -171,7 +214,12 @@ private:
 
 	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);
@@ -183,7 +231,9 @@ private slots:
 
 	void on_signals_moved();
 
-	void on_geometry_updated();
+	void process_sticky_events();
+
+	void on_hover_point_changed();
 
 private:
 	SigSession &_session;
@@ -206,6 +256,9 @@ private:
 	CursorPair _cursors;
 
 	QPoint _hover_point;
+
+	unsigned int _sticky_events;
+	QTimer _lazy_event_handler;
 };
 
 } // namespace view