From 3261805fee19e346b4d1f84b23816daa1628764a Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Wed, 16 Apr 2003 09:49:22 +0000
Subject: Update from the Windows port and general cleanup/restructure

---
 generic/Item.h | 401 ++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 240 insertions(+), 161 deletions(-)

(limited to 'generic/Item.h')

diff --git a/generic/Item.h b/generic/Item.h
index b44604c..3c89560 100644
--- a/generic/Item.h
+++ b/generic/Item.h
@@ -38,99 +38,176 @@
 #include "Field.h"
 
 #include <X11/Xlib.h>
+#include <tkInt.h>
 
 
-#define	DEFAULT_TRACK_PRIORITY		5
-#define	DEFAULT_WAY_POINT_PRIORITY	4
-#define	DEFAULT_TABULAR_PRIORITY	3
-#define DEFAULT_RECTANGLE_PRIORITY	2
-#define DEFAULT_CURVE_PRIORITY		2
-#define DEFAULT_BEZIER_PRIORITY		2
-#define DEFAULT_TRIANGLES_PRIORITY	2
-#define DEFAULT_ARC_PRIORITY		2
-#define	DEFAULT_RETICLE_PRIORITY	2
-#define	DEFAULT_MAP_PRIORITY		1
-#define DEFAULT_GROUP_PRIORITY		6
-#define DEFAULT_ICON_PRIORITY		2
-#define DEFAULT_TEXT_PRIORITY		2
-#define DEFAULT_WINDOW_PRIORITY		0	/* N/A */
-#define DEFAULT_MOSAIC_PRIORITY		0
-
-#define DEFAULT_MARKER_SIZE		0
-#define DEFAULT_VISIBLE_HISTORY_SIZE	6
-#define DEFAULT_MANAGED_HISTORY_SIZE	6
-#define DEFAULT_SPEED_VECTOR_LENGTH	3
-#define DEFAULT_RETICLE_STEP_SIZE	80
-#define DEFAULT_RETICLE_PERIOD		5
-#define DEFAULT_LABEL_ANGLE		20
-#define DEFAULT_LABEL_DISTANCE		50
-#define DEFAULT_LINE_WIDTH		1
-#define DEFAULT_TILE_SIZE		1
-#define DEFAULT_ROW_COUNT		1
-#define DEFAULT_COLUMN_COUNT		1
-
-#define DEFAULT_LABEL_PREFERRED_ANGLE	0
-#define DEFAULT_CONVERGENCE_STYLE	0
+/*
+ * Types and constants for attribute processing.
+ */
+typedef struct _ZnAttrConfig {
+  int	type;
+  char	*name;
+  Tk_Uid uid;
+  int	offset;
+  int	bool_bit;
+  int	flags;
+  ZnBool read_only;
+} ZnAttrConfig;
+
+/*
+ * When adding new type in the following enum
+ * do not forget to update attribute_type_strings
+ * in Item.c.
+ */
+#define	ZN_CONFIG_END		0
+#define ZN_CONFIG_BOOL		1
+#define ZN_CONFIG_BITMAP	2
+#define ZN_CONFIG_BITMAP_LIST	3
+#define ZN_CONFIG_STRING	4
+#define ZN_CONFIG_FONT		5
+#define ZN_CONFIG_EDGE_LIST	6
+#define ZN_CONFIG_RELIEF	7
+#define ZN_CONFIG_DIM		8
+#define ZN_CONFIG_PRI		9
+#define ZN_CONFIG_ALIGNMENT	10
+#define ZN_CONFIG_AUTO_ALIGNMENT 11
+#define ZN_CONFIG_LINE_END	12
+#define ZN_CONFIG_LABEL_FORMAT	13
+#define ZN_CONFIG_LINE_STYLE	14
+#define ZN_CONFIG_LINE_SHAPE	15
+#define ZN_CONFIG_ITEM		16
+#define ZN_CONFIG_ANGLE		17
+#define ZN_CONFIG_INT		18
+#define ZN_CONFIG_UINT		19
+#define ZN_CONFIG_POINT		20
+#define ZN_CONFIG_ANCHOR	21
+#define ZN_CONFIG_TAG_LIST	22
+#define ZN_CONFIG_MAP_INFO	23
+#define ZN_CONFIG_IMAGE		24
+#define ZN_CONFIG_LEADER_ANCHORS 25
+#define ZN_CONFIG_JOIN_STYLE	26
+#define	ZN_CONFIG_CAP_STYLE	27
+#define	ZN_CONFIG_GRADIENT	28
+#define ZN_CONFIG_GRADIENT_LIST	29
+#define	ZN_CONFIG_WINDOW	30
+#define	ZN_CONFIG_ALPHA		31
+#define	ZN_CONFIG_FILL_RULE	32
+
+#define ZN_DRAW_FLAG	1 << 0
+#define	ZN_COORDS_FLAG	1 << 1
+#define ZN_TRANSFO_FLAG	1 << 2
+#define	ZN_REPICK_FLAG	1 << 3
+#define	ZN_BORDER_FLAG	1 << 4
+#define	ZN_CLFC_FLAG	1 << 5	/* Clear Label Format Cache. */
+#define ZN_IMAGE_FLAG	1 << 6	/* Update image pointer. */
+#define ZN_VIS_FLAG	1 << 7	/* Visibility has changed. */
+#define ZN_MOVED_FLAG	1 << 8	/* Item has moved. */
+#define ZN_ITEM_FLAG	1 << 9	/* Signal a change in an item type attribute. */
+#define ZN_MAP_INFO_FLAG 1 << 10	/* Update mapinfo pointer. */
+#define ZN_LAYOUT_FLAG	1 << 10	/* A layout need update. */
+#define ZN_POLAR_FLAG	1 << 11	/* Signal a cartesian to polar change. */
+#define ZN_CARTESIAN_FLAG 1 << 12	/* Signal a polar to cartesian change. */
+#define ZN_TILE_FLAG	1 << 13	/* Update tile pointer. */
+#define ZN_WINDOW_FLAG	1 << 14	/* Signal a change in a window type attribute. */
+
+
+/*
+ * This constant marks a non existant item
+*/
+#define ZN_NO_ITEM		NULL
+
+/*
+ * Constants for item parts. The item indexable parts (named fields) are coded
+ * as positive or null integers. The item specific parts (not indexable) are
+ * coded as negatives beginning at -2 up to -9 which is the current limit. The
+ * -1 value is reserved to indicate no part.
+ */
+#define ZnPartToBit(part)	(1 << (ABS(part)-2))
+#define ZN_NO_PART		-1
+
+/*
+ * Some flags macros.
+ */
+#define ISSET(var, mask)	((var) & (mask))
+#define ISCLEAR(var, mask)	(((var) & (mask)) == 0)
+#define SET(var,mask)		((var) |= (mask))
+#define CLEAR(var, mask)	((var) &= ~(mask))
+#define ASSIGN(var, mask, bool)	((bool) ? SET((var), (mask)) : CLEAR((var), (mask)))
 
 /*
  * Item flags values.
  */
-#define VISIBLE_BIT			1
-#define SENSITIVE_BIT			2
-#define ATOMIC_BIT			4
-#define UPDATE_DEPENDENT_BIT	       16
-#define COMPOSE_SCALE_BIT	       32
-#define COMPOSE_ROTATION_BIT	       64
-#define COMPOSE_ALPHA_BIT	      128
+#define ZN_VISIBLE_BIT		(1<<0)
+#define ZN_SENSITIVE_BIT	(1<<1)
+#define ZN_UPDATE_DEPENDENT_BIT	(1<<2)
+#define ZN_COMPOSE_SCALE_BIT	(1<<3)
+#define ZN_COMPOSE_ROTATION_BIT	(1<<4)
+#define ZN_COMPOSE_ALPHA_BIT	(1<<5)
+/*
+ * Must be kept one greater than the last flag shift count.
+ */
+#define ZN_PRIVATE_FLAGS_OFFSET 6
 
 
-struct _WidgetInfo;
+/*
+ * Operator constants for the coord method.
+ */
+#define ZN_COORDS_READ		0
+#define ZN_COORDS_READ_ALL	1
+#define ZN_COORDS_REPLACE	2
+#define ZN_COORDS_REPLACE_ALL	3
+#define ZN_COORDS_ADD		4
+#define ZN_COORDS_ADD_LAST	5
+#define ZN_COORDS_REMOVE	6
+  
+
+struct _ZnWInfo;
 struct _ZnTransfo;
 
 /*
  * Item record header --
  */
-typedef struct _ItemStruct {
+typedef struct _ZnItemStruct {
   /* Private data */
-  int			id;
+  long			id;
   ZnList		tags;
-  struct _WidgetInfo	*wi;			/* The widget this item is on	*/
-  struct _ItemClassStruct *class;		/* item class			*/
-  struct _ItemStruct	*previous;		/* previous item in group list	*/
-  struct _ItemStruct	*next;			/* next item in group list	*/
+  struct _ZnWInfo	*wi;			/* The widget this item is on	*/
+  struct _ZnItemClassStruct *class;		/* item class			*/
+  struct _ZnItemStruct	*previous;		/* previous item in group list	*/
+  struct _ZnItemStruct	*next;			/* next item in group list	*/
   ZnBBox		item_bounding_box;	/* device item bounding box	*/
 
   /* Common attributes */
   unsigned short	flags;			
   unsigned short	part_sensitive;		/* Currently limited to 16 parts per item */
   short			inv_flags;
-  struct _ItemStruct	*parent;
+  struct _ZnItemStruct	*parent;
   int			priority;
   struct _ZnTransfo	*transfo;
-  struct _ItemStruct	*connected_item;	/* Item this item is connected to 	*/
-#ifdef GLX
+  struct _ZnItemStruct	*connected_item;	/* Item this item is connected to 	*/
+#ifdef GL
 #ifdef GL_LIST
   GLuint		gl_list;		/* Display list storing the item graphics */
 #endif
 #endif
-} ItemStruct, *Item;
+} ZnItemStruct, *ZnItem;
 
-typedef struct _ToAreaStruct {
+typedef struct _ZnToAreaStruct {
   Tk_Uid	tag_uid;
   ZnBool	enclosed;
-  Item		in_group;
+  ZnItem	in_group;
   ZnBool	report;
   ZnBool	recursive;
   ZnBBox	*area;
 } ZnToAreaStruct, *ZnToArea;
 
-typedef struct _PickStruct {
+typedef struct _ZnPickStruct {
   int		aperture;
-  Item		in_group;
-  Item		start_item;
+  ZnItem	in_group;
+  ZnItem	start_item;
   ZnBool	recursive;
   ZnPoint	*point;
-  Item		a_item;
+  ZnItem 	a_item;
   int		a_part;
 } ZnPickStruct, *ZnPick;
 
@@ -138,72 +215,75 @@ typedef struct _PickStruct {
 /*
  * Item class record --
  */
-typedef int (*ItemInitMethod)(Item item, int *argc, Tcl_Obj *CONST *args[]);
-typedef int (*ItemConfigureMethod)(Item item, int argc, Tcl_Obj *CONST args[],
-				   int *flags);
-typedef int (*ItemQueryMethod)(Item item, int argc, Tcl_Obj *CONST args[]);
-typedef void (*ItemCloneMethod)(Item item);
-typedef void (*ItemDestroyMethod)(Item item);
-typedef void (*ItemDrawMethod)(Item item);
-typedef void (*ItemRenderMethod)(Item item);
-typedef void (*ItemComputeCoordinatesMethod)(Item item, ZnBool force);
-typedef int (*ItemToAreaMethod)(Item item, ZnToArea ta);
-typedef double (*ItemPickMethod)(Item item, ZnPick ps);
-typedef ZnBool (*ItemIsSensitiveMethod)(Item item, int part);
-typedef struct _FieldSetStruct* (*ItemGetFieldSetMethod)(Item item);
-typedef int (*ItemContourMethod)(Item item, int cmd, int index, ZnPoly *poly);
-typedef void (*ItemPickVertexMethod)(Item item, ZnPoint *p, int *contour,
-				     int *vertex, int *o_vertex);
-typedef void (*ItemGetAnchorMethod)(Item item, ZnAnchor anchor, ZnPoint *p);
-typedef ZnBool (*ItemGetClipVerticesMethod)(Item item, ZnTriStrip *tristrip);
-typedef ZnBool (*ItemGetContoursMethod)(Item item, ZnPoly *poly);
-typedef int (*ItemCoordsMethod)(Item item, int contour, int index, int cmd,
-				ZnPoint **points, char **controls, int *num_points);
-typedef void (*ItemInsertCharsMethod)(Item item, int field, int *index,
-				      char *chars);
-typedef void (*ItemDeleteCharsMethod)(Item item, int field, int *first,
-				      int *last);
-typedef void (*ItemCursorMethod)(Item item, int field, int index);
-typedef int (*ItemIndexMethod)(Item item, int field, Tcl_Obj *index_spec,
-			       int *index);
-typedef int (*ItemPartMethod)(Item item, Tcl_Obj **part_spec, int *part);
-typedef int (*ItemSelectionMethod)(Item item, int field, int offset,
-				   char *chars, int max_chars);
-typedef void (*ItemPostScriptMethod)(Item item, PostScriptInfo ps_info);
-
-typedef struct _ItemClassStruct {
-  int				size;
-  int				num_parts;	/* 0 if no special parts, else
+typedef int (*ZnItemInitMethod)(ZnItem item, int *argc, Tcl_Obj *CONST *args[]);
+typedef int (*ZnItemConfigureMethod)(ZnItem item, int argc, Tcl_Obj *CONST args[],
+				     int *flags);
+typedef int (*ZnItemQueryMethod)(ZnItem item, int argc, Tcl_Obj *CONST args[]);
+typedef void (*ZnItemCloneMethod)(ZnItem item);
+typedef void (*ZnItemDestroyMethod)(ZnItem item);
+typedef void (*ZnItemDrawMethod)(ZnItem item);
+typedef void (*ZnItemRenderMethod)(ZnItem item);
+typedef void (*ZnItemComputeCoordinatesMethod)(ZnItem item, ZnBool force);
+typedef int (*ZnItemToAreaMethod)(ZnItem item, ZnToArea ta);
+typedef ZnReal (*ZnItemPickMethod)(ZnItem item, ZnPick ps);
+typedef ZnBool (*ZnItemIsSensitiveMethod)(ZnItem item, int part);
+typedef struct _ZnFieldSetStruct* (*ZnItemGetFieldSetMethod)(ZnItem item);
+typedef int (*ZnItemContourMethod)(ZnItem item, int cmd, int index, ZnPoly *poly);
+typedef void (*ZnItemPickVertexMethod)(ZnItem item, ZnPoint *p, int *contour,
+				       int *vertex, int *o_vertex);
+typedef void (*ZnItemGetAnchorMethod)(ZnItem item, Tk_Anchor anchor, ZnPoint *p);
+typedef ZnBool (*ZnItemGetClipVerticesMethod)(ZnItem item, ZnTriStrip *tristrip);
+typedef ZnBool (*ZnItemGetContoursMethod)(ZnItem item, ZnPoly *poly);
+typedef int (*ZnItemCoordsMethod)(ZnItem item, int contour, int index, int cmd,
+				  ZnPoint **points, char **controls, unsigned int *num_points);
+typedef void (*ZnItemInsertCharsMethod)(ZnItem item, int field, int *index,
+					char *chars);
+typedef void (*ZnItemDeleteCharsMethod)(ZnItem item, int field, int *first,
+					int *last);
+typedef void (*ZnItemCursorMethod)(ZnItem item, int field, int index);
+typedef int (*ZnItemIndexMethod)(ZnItem item, int field, Tcl_Obj *index_spec,
+				 int *index);
+typedef int (*ZnItemPartMethod)(ZnItem item, Tcl_Obj **part_spec, int *part);
+typedef int (*ZnItemSelectionMethod)(ZnItem item, int field, int offset,
+				     char *chars, int max_chars);
+typedef void (*ZnItemPostScriptMethod)(ZnItem item, ZnPostScriptInfo ps_info);
+
+
+typedef void	*ZnItemClassId;
+
+typedef struct _ZnItemClassStruct {
+  unsigned int			size;
+  unsigned int			num_parts;	/* 0 if no special parts, else
 						 * gives how many parts exist. */
   ZnBool			has_anchors;	/* 1 if anchors are supported */
   char				*name;
   ZnAttrConfig			*attr_desc;
-  ItemInitMethod		Init;
-  ItemCloneMethod		Clone;
-  ItemDestroyMethod		Destroy;
-  ItemConfigureMethod		Configure;
-  ItemQueryMethod		Query;
-  ItemGetFieldSetMethod		GetFieldSet;
-  ItemGetAnchorMethod		GetAnchor;
-  ItemGetClipVerticesMethod	GetClipVertices;
-  ItemGetContoursMethod		GetContours;
-  ItemCoordsMethod		Coords;
-  ItemInsertCharsMethod		InsertChars;
-  ItemDeleteCharsMethod		DeleteChars;
-  ItemCursorMethod		Cursor;
-  ItemIndexMethod		Index;
-  ItemPartMethod		Part;
-  ItemSelectionMethod		Selection;
-  ItemContourMethod		Contour;
-  ItemComputeCoordinatesMethod	ComputeCoordinates;
-  ItemToAreaMethod		ToArea;
-  ItemDrawMethod		Draw;
-  ItemRenderMethod		Render;
-  ItemIsSensitiveMethod		IsSensitive;
-  ItemPickMethod		Pick;
-  ItemPickVertexMethod		PickVertex;
-  ItemPostScriptMethod		PostScript;
-} ItemClassStruct, *ItemClass;
+  ZnItemInitMethod		Init;
+  ZnItemCloneMethod		Clone;
+  ZnItemDestroyMethod		Destroy;
+  ZnItemConfigureMethod		Configure;
+  ZnItemQueryMethod		Query;
+  ZnItemGetFieldSetMethod	GetFieldSet;
+  ZnItemGetAnchorMethod		GetAnchor;
+  ZnItemGetClipVerticesMethod	GetClipVertices;
+  ZnItemGetContoursMethod	GetContours;
+  ZnItemCoordsMethod		Coords;
+  ZnItemInsertCharsMethod	InsertChars;
+  ZnItemDeleteCharsMethod	DeleteChars;
+  ZnItemCursorMethod		Cursor;
+  ZnItemIndexMethod		Index;
+  ZnItemPartMethod		Part;
+  ZnItemSelectionMethod		Selection;
+  ZnItemContourMethod		Contour;
+  ZnItemComputeCoordinatesMethod ComputeCoordinates;
+  ZnItemToAreaMethod		ToArea;
+  ZnItemDrawMethod		Draw;
+  ZnItemRenderMethod		Render;
+  ZnItemIsSensitiveMethod	IsSensitive;
+  ZnItemPickMethod		Pick;
+  ZnItemPickVertexMethod	PickVertex;
+  ZnItemPostScriptMethod	PostScript;
+} ZnItemClassStruct, *ZnItemClass;
 
 
 /*
@@ -213,73 +293,72 @@ typedef struct _ItemClassStruct {
  *
  **********************************************************************************
  */
-extern struct _ITEM {
-  Item (*CloneItem)(Item model);
-  void (*DestroyItem)(Item item);
-  int (*ConfigureItem)(Item item, int field, int argc, Tcl_Obj *CONST args[],
+extern struct _ZnITEM {
+  ZnItem (*CloneItem)(ZnItem model);
+  void (*DestroyItem)(ZnItem item);
+  int (*ConfigureItem)(ZnItem item, int field, int argc, Tcl_Obj *CONST args[],
 		       ZnBool init);
-  int (*QueryItem)(Item item, int field, int argc, Tcl_Obj *CONST args[]);
-  void (*InsertItem)(Item item, Item group, Item mark_item, ZnBool before);
-  void (*UpdateItemPriority)(Item item, Item mark_item, ZnBool before);
-  void (*UpdateItemDependency)(Item item, Item old_connection);
-  void (*ExtractItem)(Item item);
-  void (*SetId)(Item item);
-  void (*FreeId)(Item item);
-  void (*AddTag)(Item item, Tk_Uid tag);
-  void (*RemoveTag)(Item item, Tk_Uid tag);
-  void (*FreeTags)(Item item);
-  ZnBool (*HasTag)(Item item, Tk_Uid tag);
-  void (*ResetTransfo)(Item item);
-  void (*SetTransfo)(Item item, struct _ZnTransfo *t);
-  void (*TranslateItem)(Item item, ZnReal tx, ZnReal ty);
-  void (*ScaleItem)(Item item, ZnReal sx, ZnReal sy);
-  void (*RotateItem)(Item item, ZnReal angle, ZnPoint *p);
-  void (*Invalidate)(Item item, int reason);
-  void (*InvalidateItems)(Item group, ItemClass item_class);
-  void (*GetItemTransform)(Item item, struct _ZnTransfo *t);
-} ITEM;
+  int (*QueryItem)(ZnItem item, int field, int argc, Tcl_Obj *CONST args[]);
+  void (*InsertItem)(ZnItem item, ZnItem group, ZnItem mark_item, ZnBool before);
+  void (*UpdateItemPriority)(ZnItem item, ZnItem mark_item, ZnBool before);
+  void (*UpdateItemDependency)(ZnItem item, ZnItem old_connection);
+  void (*ExtractItem)(ZnItem item);
+  void (*SetId)(ZnItem item);
+  void (*FreeId)(ZnItem item);
+  void (*AddTag)(ZnItem item, Tk_Uid tag);
+  void (*RemoveTag)(ZnItem item, Tk_Uid tag);
+  void (*FreeTags)(ZnItem item);
+  ZnBool (*HasTag)(ZnItem item, Tk_Uid tag);
+  void (*ResetTransfo)(ZnItem item);
+  void (*SetTransfo)(ZnItem item, struct _ZnTransfo *t);
+  void (*TranslateItem)(ZnItem item, ZnReal tx, ZnReal ty);
+  void (*ScaleItem)(ZnItem item, ZnReal sx, ZnReal sy);
+  void (*RotateItem)(ZnItem item, ZnReal angle, ZnPoint *p);
+  void (*Invalidate)(ZnItem item, int reason);
+  void (*InvalidateItems)(ZnItem group, ZnItemClass item_class);
+  void (*GetItemTransform)(ZnItem item, struct _ZnTransfo *t);
+} ZnITEM;
 
 
 /*
  **********************************************************************************
  *
- * Methods defined in item.c useful for writing items.
+ * Methods defined in Item.c useful for writing items.
  *
  **********************************************************************************
  */
 void ZnItemInit();
-Item ZnCreateItem(struct _WidgetInfo *wi, ItemClass item_class,
+ZnItem ZnCreateItem(struct _ZnWInfo *wi, ZnItemClass item_class,
 		  int *argc, Tcl_Obj *CONST *args[]);
-void ZnAddItemClass(ItemClass class);
-ItemClass ZnLookupItemClass(char *class_name);
+void ZnAddItemClass(ZnItemClass class);
+ZnItemClass ZnLookupItemClass(char *class_name);
 ZnList ZnItemClassList();
-int ZnConfigureAttributes(struct _WidgetInfo *wi, void *record,
+int ZnConfigureAttributes(struct _ZnWInfo *wi, void *record,
 			  ZnAttrConfig *attr_desc, int argc, Tcl_Obj *CONST args[],
 			  int *flags);
-int ZnAttributesInfo(struct _WidgetInfo *wi, void *record,
+int ZnAttributesInfo(struct _ZnWInfo *wi, void *record,
 		     ZnAttrConfig *attr_desc, int argc, Tcl_Obj *CONST args[]);
-int ZnQueryAttribute(struct _WidgetInfo *wi, void *record, ZnAttrConfig *attr_desc,
+int ZnQueryAttribute(struct _ZnWInfo *wi, void *record, ZnAttrConfig *attr_desc,
 		     Tcl_Obj *attr_name);
-void ZnInitTransformStack(struct _WidgetInfo *wi);
-void ZnFreeTransformStack(struct _WidgetInfo *wi);
-void ZnResetTransformStack(struct _WidgetInfo *wi);
-void ZnPushTransform(struct _WidgetInfo *wi, struct _ZnTransfo *transfo,
+void ZnInitTransformStack(struct _ZnWInfo *wi);
+void ZnFreeTransformStack(struct _ZnWInfo *wi);
+void ZnResetTransformStack(struct _ZnWInfo *wi);
+void ZnPushTransform(struct _ZnWInfo *wi, struct _ZnTransfo *transfo,
 		     ZnBool compose_scale, ZnBool compose_rot);
-void ZnPopTransform(struct _WidgetInfo *wi);
-void ZnInitClipStack(struct _WidgetInfo *wi);
-void ZnFreeClipStack(struct _WidgetInfo *wi);
-void ZnResetClipStack(struct _WidgetInfo *wi);
-void ZnPushClip(struct _WidgetInfo *wi, ZnTriStrip *tristrip, ZnBool simple,
+void ZnPopTransform(struct _ZnWInfo *wi);
+void ZnInitClipStack(struct _ZnWInfo *wi);
+void ZnFreeClipStack(struct _ZnWInfo *wi);
+void ZnResetClipStack(struct _ZnWInfo *wi);
+void ZnPushClip(struct _ZnWInfo *wi, ZnTriStrip *tristrip, ZnBool simple,
 		ZnBool set_gc);
-void ZnPopClip(struct _WidgetInfo *wi, ZnBool set_gc);
-ZnBool ZnCurrentClip(struct _WidgetInfo *wi, Region *reg, ZnBBox **clip_box,
+void ZnPopClip(struct _ZnWInfo *wi, ZnBool set_gc);
+ZnBool ZnCurrentClip(struct _ZnWInfo *wi, TkRegion *reg, ZnBBox **clip_box,
 		     ZnBool *simple);
 
 
 extern ZnItemClassId	ZnArc;
 extern ZnItemClassId	ZnMap;
 extern ZnItemClassId	ZnTabular;
-extern ZnItemClassId	ZnMosaic;
 extern ZnItemClassId	ZnCurve;
 extern ZnItemClassId	ZnBezier;
 extern ZnItemClassId	ZnTriangles;
@@ -290,7 +369,7 @@ extern ZnItemClassId	ZnWayPoint;
 extern ZnItemClassId	ZnGroup;
 extern ZnItemClassId	ZnIcon;
 extern ZnItemClassId	ZnText;
-extern ZnItemClassId	ZnWind;
+extern ZnItemClassId	ZnWindow;
 
 
 #endif	/* _Item_h */
-- 
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