Fix #1292/1294 by snapping to any edge when not hovering over a signal

[pulseview.git] / pv / views / trace / trace.hpp

diff --git a/pv/views/trace/trace.hpp b/pv/views/trace/trace.hpp
index 134f11024f3a8de618dd64354280b5817b9c69fa..0b4ecce49484af09e8b60938afc5c3069cb3d936 100644 (file)
--- a/pv/views/trace/trace.hpp
+++ b/pv/views/trace/trace.hpp
@@ -30,6 +30,7 @@
 
 #include "tracetreeitem.hpp"
 
+#include <pv/globalsettings.hpp>
 #include "pv/data/signalbase.hpp"
 
 using std::shared_ptr;
@@ -59,7 +60,7 @@ namespace trace {
  * For this reason, Trace is more generic and contains properties and helpers
  * that benefit any kind of time series items.
  */
-class Trace : public TraceTreeItem
+class Trace : public TraceTreeItem, public GlobalSettingsInterface
 {
        Q_OBJECT
 
@@ -88,11 +89,12 @@ private:
        static const QPen AxisPen;
        static const int LabelHitPadding;
 
-       static const QColor BrightGrayBGColour;
-       static const QColor DarkGrayBGColour;
+       static const QColor BrightGrayBGColor;
+       static const QColor DarkGrayBGColor;
 
 protected:
        Trace(shared_ptr<data::SignalBase> channel);
+       ~Trace();
 
 public:
        /**
@@ -101,20 +103,22 @@ public:
        shared_ptr<data::SignalBase> base() const;
 
        /**
-        * Sets the name of the signal.
+        * Returns true if the item may be selected.
         */
-       virtual void set_name(QString name);
+       virtual bool is_selectable(QPoint pos) const;
 
        /**
-        * Set the colour of the signal.
+        * Returns true if the item may be dragged/moved.
         */
-       virtual void set_colour(QColor colour);
+       virtual bool is_draggable(QPoint pos) const;
 
        /**
         * Configures the segment display mode to use.
         */
        virtual void set_segment_display_mode(SegmentDisplayMode mode);
 
+       virtual void on_setting_changed(const QString &key, const QVariant &value);
+
        /**
         * Paints the signal label.
         * @param p the QPainter to paint into.
@@ -123,7 +127,7 @@ public:
         */
        virtual void paint_label(QPainter &p, const QRect &rect, bool hover);
 
-       virtual QMenu* create_context_menu(QWidget *parent);
+       virtual QMenu* create_header_context_menu(QWidget *parent);
 
        pv::widgets::Popup* create_popup(QWidget *parent);
 
@@ -134,10 +138,20 @@ public:
         */
        QRectF label_rect(const QRectF &rect) const;
 
+       /**
+        * Computes the outline rectangle of the viewport hit-box.
+        * @param rect the rectangle of the viewport area.
+        * @return Returns the rectangle of the hit-box.
+        * @remarks The default implementation returns an empty hit-box.
+        */
+       virtual QRectF hit_box_rect(const ViewItemPaintParams &pp) const;
+
        void set_current_segment(const int segment);
 
        int get_current_segment() const;
 
+       virtual void hover_point_changed(const QPoint &hp);
+
 protected:
        /**
         * Paints the background layer of the signal with a QPainter.
@@ -154,7 +168,13 @@ protected:
         */
        void paint_axis(QPainter &p, ViewItemPaintParams &pp, int y);
 
-       void add_colour_option(QWidget *parent, QFormLayout *form);
+       /**
+        * Draw a hover marker under the cursor position.
+        * @param p The painter to draw into.
+        */
+       void paint_hover_marker(QPainter &p);
+
+       void add_color_option(QWidget *parent, QFormLayout *form);
 
        void create_popup_form();
 
@@ -163,20 +183,21 @@ protected:
 protected Q_SLOTS:
        virtual void on_name_changed(const QString &text);
 
-       virtual void on_colour_changed(const QColor &colour);
+       virtual void on_color_changed(const QColor &color);
 
        void on_popup_closed();
 
 private Q_SLOTS:
        void on_nameedit_changed(const QString &name);
 
-       void on_colouredit_changed(const QColor &colour);
+       void on_coloredit_changed(const QColor &color);
 
 protected:
        shared_ptr<data::SignalBase> base_;
        QPen axis_pen_;
 
        SegmentDisplayMode segment_display_mode_;
+       bool show_hover_marker_;
 
        /// The ID of the currently displayed segment
        int current_segment_;