Split SPCanvasItem and SPCanvasGroup to individual .h files. Removed forward header.

[inkscape.git] / src / knot.h

diff --git a/src/knot.h b/src/knot.h
index 3df85014f9b257d47dfb8df2dfc5a8156f7fd024..24a86282e63b9f6e3a43513fdcbdb409d75f8518 100644 (file)
--- a/src/knot.h
+++ b/src/knot.h
@@ -16,13 +16,14 @@
 
 #include <gdk/gdk.h>
 #include <gtk/gtkenums.h>
-#include "display/display-forward.h"
 #include "forward.h"
-#include <libnr/nr-point.h>
+#include <2geom/point.h>
 #include "knot-enums.h"
+#include <sigc++/sigc++.h>
 
 class SPKnot;
 class SPKnotClass;
+struct SPCanvasItem;
 
 #define SP_TYPE_KNOT            (sp_knot_get_type())
 #define SP_KNOT(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), SP_TYPE_KNOT, SPKnot))
@@ -32,7 +33,7 @@ class SPKnotClass;
 
 /**
  * Desktop-bound visual control object.
- * 
+ *
  * A knot is a draggable object, with callbacks to change something by
  * dragging it, visuably represented by a canvas item (mostly square).
  */
@@ -42,9 +43,9 @@ struct SPKnot : GObject {
     guint flags;
 
     guint size;      /**< Always square. */
-    NR::Point pos;   /**< Our desktop coordinates. */
-    NR::Point grabbed_rel_pos;  /**< Grabbed relative position. */
-    NR::Point drag_origin;      /**< Origin of drag. */
+    Geom::Point pos;   /**< Our desktop coordinates. */
+    Geom::Point grabbed_rel_pos;  /**< Grabbed relative position. */
+    Geom::Point drag_origin;      /**< Origin of drag. */
     GtkAnchorType anchor;    /**< Anchor. */
 
     SPKnotShapeType shape;   /**< Shape type. */
@@ -63,6 +64,18 @@ struct SPKnot : GObject {
 
     gulong _event_handler_id;
 
+    double pressure; /**< The tablet pen pressure when the knot is being dragged. */
+
+    // C++ signals
+    /**
+    sigc::signal<void, Geom::Point const &, Geom::Point const &, guint> _moved_signal;
+    sigc::signal<void, guint> _click_signal;
+    sigc::signal<Geom::Point> _ungrabbed_signal;
+    **/
+    sigc::signal<void, SPKnot *, Geom::Point const &, guint> _moved_signal;
+    sigc::signal<void, SPKnot *, guint> _click_signal;
+    sigc::signal<void, SPKnot *> _ungrabbed_signal;
+
     //TODO: all the members above should eventualle become private, accessible via setters/getters
     inline void setSize (guint i) {size = i;}
     inline void setShape (guint i) {shape = (SPKnotShapeType) i;}
@@ -113,7 +126,8 @@ struct SPKnot : GObject {
 };
 
 /// The SPKnot vtable.
-struct SPKnotClass : GObjectClass {
+struct SPKnotClass {
+    GObjectClass parent_class;
     gint (* event) (SPKnot *knot, GdkEvent *event);
 
     /*
@@ -124,14 +138,14 @@ struct SPKnotClass : GObjectClass {
     void (* doubleclicked) (SPKnot *knot, guint state);
     void (* grabbed) (SPKnot *knot, guint state);
     void (* ungrabbed) (SPKnot *knot, guint state);
-    void (* moved) (SPKnot *knot, NR::Point *position, guint state);
+    void (* moved) (SPKnot *knot, Geom::Point const &position, guint state);
     void (* stamped) (SPKnot *know, guint state);
 
     /** Request knot to move to absolute position. */
-    bool (* request) (SPKnot *knot, NR::Point *pos, guint state);
+    bool (* request) (SPKnot *knot, Geom::Point const &pos, guint state);
 
     /** Find complex distance from knot to point. */
-    gdouble (* distance) (SPKnot *knot, NR::Point *pos, guint state);
+    gdouble (* distance) (SPKnot *knot, Geom::Point const &pos, guint state);
 };
 
 GType sp_knot_get_type();
@@ -139,27 +153,29 @@ GType sp_knot_get_type();
 SPKnot *sp_knot_new(SPDesktop *desktop, gchar const *tip = NULL);
 
 #define SP_KNOT_IS_VISIBLE(k) ((k->flags & SP_KNOT_VISIBLE) != 0)
-#define SP_KNOT_IS_MOSEOVER(k) ((k->flags & SP_KNOT_MOUSEOVER) != 0)
+#define SP_KNOT_IS_MOUSEOVER(k) ((k->flags & SP_KNOT_MOUSEOVER) != 0)
 #define SP_KNOT_IS_DRAGGING(k) ((k->flags & SP_KNOT_DRAGGING) != 0)
 #define SP_KNOT_IS_GRABBED(k) ((k->flags & SP_KNOT_GRABBED) != 0)
 
 void sp_knot_show(SPKnot *knot);
 void sp_knot_hide(SPKnot *knot);
 
+void sp_knot_set_flag(SPKnot *knot, guint flag, bool set);
 void sp_knot_update_ctrl(SPKnot *knot);
 
-void sp_knot_request_position(SPKnot *knot, NR::Point *pos, guint state);
-gdouble sp_knot_distance(SPKnot *knot, NR::Point *p, guint state);
+void sp_knot_request_position(SPKnot *knot, Geom::Point const &pos, guint state);
+gdouble sp_knot_distance(SPKnot *knot, Geom::Point const &p, guint state);
 
-void sp_knot_start_dragging(SPKnot *knot, NR::Point p, gint x, gint y, guint32 etime);
+void sp_knot_start_dragging(SPKnot *knot, Geom::Point const &p, gint x, gint y, guint32 etime);
 
 /** Moves knot and emits "moved" signal. */
-void sp_knot_set_position(SPKnot *knot, NR::Point *p, guint state);
+void sp_knot_set_position(SPKnot *knot, Geom::Point const &p, guint state);
 
 /** Moves knot without any signal. */
-void sp_knot_moveto(SPKnot *knot, NR::Point *p);
+void sp_knot_moveto(SPKnot *knot, Geom::Point const &p);
 
-NR::Point sp_knot_position(SPKnot const *knot);
+void sp_knot_handler_request_position(GdkEvent *event, SPKnot *knot);
+Geom::Point sp_knot_position(SPKnot const *knot);
 
 
 #endif /* !__SP_KNOT_H__ */
@@ -173,4 +189,4 @@ NR::Point sp_knot_position(SPKnot const *knot);
   fill-column:99
   End:
 */
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :