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/*
* tkTreeElem.h --
*
* This module is the header for elements in treectrl widgets.
*
* Copyright (c) 2002-2004 Tim Baker
*
* RCS: @(#) $Id: tkTreeElem.h,v 1.4 2004/07/30 21:03:33 treectrl Exp $
*/
typedef struct ElementType ElementType;
typedef struct Element Element;
typedef struct ElementArgs ElementArgs;
struct ElementArgs
{
TreeCtrl *tree;
Element *elem;
int state;
struct {
int noop;
} create;
struct {
int noop;
} delete;
struct {
int objc;
Tcl_Obj *CONST *objv;
int flagSelf;
} config;
struct {
int x;
int y;
int width;
int height;
int pad[4];
Drawable drawable;
} display;
struct {
int squeeze;
int width;
int height;
} layout;
struct {
int flagTree;
int flagMaster;
int flagSelf;
} change;
struct {
int state1;
int state2;
} states;
struct {
Tcl_Obj *obj;
} actual;
};
struct ElementType
{
char *name; /* "image", "text" */
int size; /* size of an Element */
Tk_OptionSpec *optionSpecs;
Tk_OptionTable optionTable;
int (*createProc)(ElementArgs *args);
void (*deleteProc)(ElementArgs *args);
int (*configProc)(ElementArgs *args);
void (*displayProc)(ElementArgs *args);
void (*layoutProc)(ElementArgs *args);
int (*changeProc)(ElementArgs *args);
int (*stateProc)(ElementArgs *args);
void (*undefProc)(ElementArgs *args);
int (*actualProc)(ElementArgs *args);
ElementType *next;
};
/* list of these for each style */
struct Element
{
Tk_Uid name; /* "image", "text" etc */
ElementType *typePtr;
Element *master; /* NULL if this is master */
/* type-specific data here */
};
extern ElementType elemTypeBitmap;
extern ElementType elemTypeBorder;
extern ElementType elemTypeImage;
extern ElementType elemTypeRect;
extern ElementType elemTypeText;
extern int Element_GetSortData(TreeCtrl *tree, Element *elem, int type, long *lv, double *dv, char **sv);
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