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/* $Id: ttkManager.h,v 1.1 2006/10/31 01:42:26 hobbs Exp $
*
* Copyright (c) 2005, Joe English. Freely redistributable.
*
* Ttk widget set: Geometry management utilities.
*
* TODO: opacify data structures.
*/
#ifndef TTK_MANAGER_H
#define TTK_MANAGER_H 1
typedef struct TtkManager_ Ttk_Manager; /* forward */
typedef struct TtkSlave_ Ttk_Slave; /* forward */
/*
* Geometry manager specification record:
*
* RequestedSize computes the requested size of the master window.
*
* PlaceSlaves sets the position and size of all managed slaves
* by calling Ttk_PlaceSlave().
*
* SlaveAdded() is called after a new slave has been added.
*
* SlaveRemoved() is called immediately before a slave is removed.
* NB: the associated slave window may have been destroyed when this
* routine is called.
*/
typedef struct { /* Manager hooks */
Tk_GeomMgr tkGeomMgr; /* "real" Tk Geometry Manager */
Tk_OptionSpec *slaveOptionSpecs; /* slave record options */
size_t slaveSize; /* size of slave record */
int (*RequestedSize)(void *managerData, int *widthPtr, int *heightPtr);
void (*PlaceSlaves)(void *managerData);
void (*SlaveAdded)(Ttk_Manager *, int slaveIndex);
void (*SlaveRemoved)(Ttk_Manager *, int slaveIndex);
int (*SlaveConfigured)(
Tcl_Interp *, Ttk_Manager *, Ttk_Slave *, unsigned mask);
} Ttk_ManagerSpec;
/*
* Default implementations for Tk_GeomMgr hooks:
*/
extern void Ttk_GeometryRequestProc(ClientData, Tk_Window slave);
extern void Ttk_LostSlaveProc(ClientData, Tk_Window slave);
struct TtkSlave_
{
Tk_Window slaveWindow;
Ttk_Manager *manager;
void *slaveData;
unsigned flags; /* private; see manager.c */
};
struct TtkManager_
{
Ttk_ManagerSpec *managerSpec;
void *managerData;
Tk_Window masterWindow;
Tk_OptionTable slaveOptionTable;
unsigned flags; /* private; see manager.c */
int nSlaves;
Ttk_Slave **slaves;
};
/*
* Public API:
*/
extern Ttk_Manager *Ttk_CreateManager(
Ttk_ManagerSpec *, void *managerData, Tk_Window masterWindow);
extern void Ttk_DeleteManager(Ttk_Manager *);
extern int Ttk_AddSlave(
Tcl_Interp *, Ttk_Manager *, Tk_Window, int position,
int objc, Tcl_Obj *CONST objv[]);
extern void Ttk_ForgetSlave(Ttk_Manager *, int slaveIndex);
extern int Ttk_ConfigureSlave(
Tcl_Interp *interp, Ttk_Manager *, Ttk_Slave *,
int objc, Tcl_Obj *CONST objv[]);
extern void Ttk_ReorderSlave(Ttk_Manager *, int fromIndex, int toIndex);
/* Rearrange slave positions */
extern void Ttk_PlaceSlave(
Ttk_Manager *, int slaveIndex, int x, int y, int width, int height);
/* Position and map the slave */
extern void Ttk_UnmapSlave(Ttk_Manager *, int slaveIndex);
/* Unmap the slave */
extern void Ttk_ManagerSizeChanged(Ttk_Manager *);
extern void Ttk_ManagerLayoutChanged(Ttk_Manager *);
/* Notify manager that size (resp. layout) needs to be recomputed */
/* Utilities:
*/
extern int Ttk_SlaveIndex(Ttk_Manager *, Tk_Window);
/* Returns: index in slave array of specified window, -1 if not found */
extern Ttk_Slave *Ttk_GetSlaveFromObj(
Tcl_Interp *, Ttk_Manager *, Tcl_Obj *, int *indexPtr);
/* Accessor functions:
*/
extern int Ttk_NumberSlaves(Ttk_Manager *);
/* Returns: number of managed slaves */
extern void *Ttk_SlaveData(Ttk_Manager *, int slaveIndex);
/* Returns: private data associated with slave */
extern Tk_Window Ttk_SlaveWindow(Ttk_Manager *, int slaveIndex);
/* Returns: slave window */
extern int Ttk_Maintainable(Tcl_Interp *, Tk_Window slave, Tk_Window master);
/* Returns: 1 if master can manage slave; 0 otherwise leaving error msg */
#endif
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