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/*
* bltBind.h --
*
* Copyright 1993-1998 Lucent Technologies, Inc.
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that the above copyright notice appear in all
* copies and that both that the copyright notice and warranty
* disclaimer appear in supporting documentation, and that the names
* of Lucent Technologies any of their entities not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission.
*
* Lucent Technologies disclaims all warranties with regard to this
* software, including all implied warranties of merchantability and
* fitness. In no event shall Lucent Technologies be liable for any
* special, indirect or consequential damages or any damages
* whatsoever resulting from loss of use, data or profits, whether in
* an action of contract, negligence or other tortuous action, arising
* out of or in connection with the use or performance of this
* software.
*/
#ifndef _BLT_BIND_H
#define _BLT_BIND_H
#include <bltList.h>
typedef struct Blt_BindTableStruct *Blt_BindTable;
typedef ClientData (Blt_BindPickProc) _ANSI_ARGS_((ClientData clientData,
int x, int y, ClientData *contextPtr));
typedef void (Blt_BindTagProc) _ANSI_ARGS_((Blt_BindTable bindTable,
ClientData object, ClientData context, Blt_List list));
/*
* Binding structure information:
*/
struct Blt_BindTableStruct {
unsigned int flags;
Tk_BindingTable bindingTable;
/* Table of all bindings currently defined.
* NULL means that no bindings exist, so the
* table hasn't been created. Each "object"
* used for this table is either a Tk_Uid for
* a tag or the address of an item named by
* id. */
ClientData currentItem; /* The item currently containing the mouse
* pointer, or NULL if none. */
ClientData currentContext; /* One word indicating what kind of object
* was picked. */
ClientData newItem; /* The item that is about to become the
* current one, or NULL. This field is
* used to detect deletions of the new
* current item pointer that occur during
* Leave processing of the previous current
* tab. */
ClientData newContext; /* One-word indicating what kind of object
* was just picked. */
ClientData focusItem;
ClientData focusContext;
XEvent pickEvent; /* The event upon which the current choice
* of the current tab is based. Must be saved
* so that if the current item is deleted,
* we can pick another. */
int activePick; /* The pick event has been initialized so
* that we can repick it */
int state; /* Last known modifier state. Used to
* defer picking a new current object
* while buttons are down. */
ClientData clientData;
Tk_Window tkwin;
Blt_BindPickProc *pickProc; /* Routine to report the item the mouse is
* currently over. */
Blt_BindTagProc *tagProc; /* Routine to report tags picked items. */
Tcl_Interp *interp;
};
EXTERN void Blt_DestroyBindingTable _ANSI_ARGS_((Blt_BindTable table));
EXTERN Blt_BindTable Blt_CreateBindingTable _ANSI_ARGS_((Tcl_Interp *interp,
Tk_Window tkwin, ClientData clientData, Blt_BindPickProc *pickProc,
Blt_BindTagProc *tagProc));
EXTERN int Blt_ConfigureBindings _ANSI_ARGS_((Tcl_Interp *interp,
Blt_BindTable table, ClientData item, int argc, char **argv));
#if (TCL_MAJOR_VERSION >= 8)
EXTERN int Blt_ConfigureBindingsFromObj _ANSI_ARGS_((Tcl_Interp *interp,
Blt_BindTable table, ClientData item, int objc, Tcl_Obj *CONST *objv));
#endif
EXTERN void Blt_PickCurrentItem _ANSI_ARGS_((Blt_BindTable table));
EXTERN void Blt_DeleteBindings _ANSI_ARGS_((Blt_BindTable table,
ClientData object));
EXTERN void Blt_MoveBindingTable _ANSI_ARGS_((Blt_BindTable table,
Tk_Window tkwin));
#define Blt_SetFocusItem(bindPtr, object, context) \
((bindPtr)->focusItem = (ClientData)(object),\
(bindPtr)->focusContext = (ClientData)(context))
#define Blt_SetCurrentItem(bindPtr, object, context) \
((bindPtr)->currentItem = (ClientData)(object),\
(bindPtr)->currentContext = (ClientData)(context))
#define Blt_GetCurrentItem(bindPtr) ((bindPtr)->currentItem)
#define Blt_GetCurrentContext(bindPtr) ((bindPtr)->currentContext)
#define Blt_GetLatestItem(bindPtr) ((bindPtr)->newItem)
#define Blt_GetBindingData(bindPtr) ((bindPtr)->clientData)
#endif /*_BLT_BIND_H*/
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