/*
- * Copyright (C) 2009-201
0 Andy Spencer <andy753421@gmail.com>
+ * Copyright (C) 2009-201
1 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef __GIS_OBJECT_H__
-#define __GIS_OBJECT_H__
+#ifndef __GRITS_OBJECT_H__
+#define __GRITS_OBJECT_H__
#include <glib.h>
#include <glib-object.h>
#include "grits-util.h"
-/* GisObject */
-#define GIS_TYPE_OBJECT (gis_object_get_type())
-#define GIS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GIS_TYPE_OBJECT, GisObject))
-#define GIS_IS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GIS_TYPE_OBJECT))
-#define GIS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIS_TYPE_OBJECT, GisObjectClass))
-#define GIS_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIS_TYPE_OBJECT))
-#define GIS_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIS_TYPE_OBJECT, GisObjectClass))
-
-typedef struct _GisObject GisObject;
-typedef struct _GisObjectClass GisObjectClass;
-
-struct _GisObject {
- GObject parent_instance;
- GisPoint center;
- gboolean hidden;
- gdouble lod;
-};
+/* GritsObject */
+#define GRITS_TYPE_OBJECT (grits_object_get_type())
+#define GRITS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GRITS_TYPE_OBJECT, GritsObject))
+#define GRITS_IS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GRITS_TYPE_OBJECT))
+#define GRITS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GRITS_TYPE_OBJECT, GritsObjectClass))
+#define GRITS_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GRITS_TYPE_OBJECT))
+#define GRITS_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GRITS_TYPE_OBJECT, GritsObjectClass))
+
+/* Bitmask of things to skip while drawing the object */
+#define GRITS_SKIP_LOD (1<<0)
+#define GRITS_SKIP_HORIZON (1<<1)
+#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;
#include "grits-opengl.h"
-struct _GisObjectClass {
+struct _GritsObject {
+ GObject parent_instance;
+ GritsViewer *viewer; // The viewer the object was added to
+ gpointer ref; // Reference for objects that have been added
+ GritsPoint center; // Center of the object
+ 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 {
GObjectClass parent_class;
/* Move some of these to GObject? */
- void (*draw) (GisObject *object, GisOpenGL *opengl);
+ void (*draw) (GritsObject *object, GritsOpenGL *opengl);
+ void (*pick) (GritsObject *object, GritsOpenGL *opengl);
+ void (*hide) (GritsObject *object, gboolean hidden);
};
-GType gis_object_get_type(void);
+GType grits_object_get_type(void);
/* Implemented by sub-classes */
-void gis_object_draw(GisObject *object, GisOpenGL *opengl);
+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
+ *
+ * Cause the widget to be redrawn on the screen at some later point
+ */
+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_destroy:
+ * @object: The #GritsObject to destroy
+ *
+ * Removes the widget from it's current viewer (if it has one) and decrements
+ * it's reference count.
+ */
+void grits_object_destroy(GritsObject *object);
+
+/**
+ * grits_object_destroy_pointer:
+ * @object: The pointer to the #GritsObject to destroy
+ *
+ * This functions the same as grits_object_destroy, except that the location of
+ * the object is set to null before proceeding.
+ */
+#define grits_object_destroy_pointer(object) ({ \
+ if (*object) { \
+ GritsObject *tmp = GRITS_OBJECT(*object); \
+ *object = NULL; \
+ grits_object_destroy(tmp); \
+ } \
+})
/**
- * gis_object_center:
- * @object: The #GisObject to get the center of
+ * grits_object_center:
+ * @object: The #GritsObject to get the center of
*
- * Get the #GisPoint representing the center of an object
+ * Get the #GritsPoint representing the center of an object
*
* Returns: the center point
*/
-#define gis_object_center(object) \
- (&GIS_OBJECT(object)->center)
+#define grits_object_center(object) \
+ (&GRITS_OBJECT(object)->center)
#endif
projects / grits / blobdiff