X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fobjects%2Fgrits-object.h;h=728ac720d9165bd2658ca2121091e8751906d04a;hp=dcacd9dbe5fd459c3f5b6112222bd170c8e487b2;hb=d55c77bbf477e582a8525ac831ad97b035b8185d;hpb=3ea7566fadf5490c46e04cb3a2a6cc8e02ac05e6

diff --git a/src/objects/grits-object.h b/src/objects/grits-object.h
index dcacd9d..728ac72 100644
--- a/src/objects/grits-object.h
+++ b/src/objects/grits-object.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
+ * Copyright (C) 2009-2011 Andy Spencer <andy753421@gmail.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,6 +36,16 @@
 #define GRITS_SKIP_CENTER  (1<<2)
 #define GRITS_SKIP_STATE   (1<<3)
 
+/* Mouse move threshold for clicking */
+#define GRITS_CLICK_THRESHOLD 8
+
+/* Picking states */
+typedef struct {
+	guint picked   : 1;
+	guint selected : 1;
+	guint clicking : 6;
+} GritsState;
+
 typedef struct _GritsObject      GritsObject;
 typedef struct _GritsObjectClass GritsObjectClass;
 
@@ -48,6 +58,9 @@ struct _GritsObject {
 	gboolean     hidden; // If true, the object will not be drawn
 	gdouble      lod;    // Level of detail, used to hide small objects
 	guint32      skip;   // Bit mask of safe operations
+
+	GritsState   state;  // Internal, used for picking
+	GdkCursor   *cursor; // Internal, cached cursor
 };
 
 struct _GritsObjectClass {
@@ -55,6 +68,8 @@ struct _GritsObjectClass {
 
 	/* Move some of these to GObject? */
 	void (*draw) (GritsObject *object, GritsOpenGL *opengl);
+	void (*pick) (GritsObject *object, GritsOpenGL *opengl);
+	void (*hide) (GritsObject *object, gboolean hidden);
 };
 
 GType grits_object_get_type(void);
@@ -62,6 +77,13 @@ GType grits_object_get_type(void);
 /* Implemented by sub-classes */
 void grits_object_draw(GritsObject *object, GritsOpenGL *opengl);
 
+void grits_object_hide(GritsObject *object, gboolean hidden);
+
+/* Interal, used by grits_opengl */
+void grits_object_pick(GritsObject *object, GritsOpenGL *opengl);
+gboolean grits_object_set_pointer(GritsObject *object, GdkEvent *event, gboolean selected);
+gboolean grits_object_event(GritsObject *object, GdkEvent *event);
+
 /**
  * grits_object_queue_draw:
  * @object: The #GritsObject that needs drawing
@@ -70,6 +92,15 @@ void grits_object_draw(GritsObject *object, GritsOpenGL *opengl);
  */
 void grits_object_queue_draw(GritsObject *object);
 
+/**
+ * grits_object_set_cursor:
+ * @object: The #GritsObject to set the cursor for
+ * @cursor: The cursor to use when the object is hovered over
+ *
+ * Causes the cursor to use a particular icon when located over a given object
+ */
+void grits_object_set_cursor(GritsObject *object, GdkCursorType cursor);
+
 /**
  * grits_object_center:
  * @object: The #GritsObject to get the center of