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/* -*-c-*- */
#ifndef EXECCONTEXT_H
#define EXECCONTEXT_H
/* ---------------------------- included header files ---------------------- */
/* ---------------------------- global definitions ------------------------- */
/* ---------------------------- global macros ------------------------------ */
/* ---------------------------- type definitions --------------------------- */
/* Inernal types */
typedef struct
{
XEvent te;
} exec_context_privileged_t;
/* Interface types */
typedef enum
{
EXCT_NULL = '-',
EXCT_INIT = 'I',
EXCT_RESTART = 'R',
EXCT_QUIT = 'Q',
EXCT_TORESTART = 'r',
EXCT_EVENT ='E',
EXCT_MODULE ='M',
EXCT_MENULOOP ='m',
EXCT_PAGING = 'P',
EXCT_SCHEDULE = 'S'
} exec_context_type_t;
typedef struct
{
XEvent *etrigger;
XEvent *elast;
} x_context_t;
typedef struct
{
FvwmWindow *fw;
Window w;
unsigned long wcontext;
} window_context_t;
struct fmodule;
typedef struct
{
struct fmodule *module;
} module_context_t;
typedef struct
{
exec_context_type_t type;
x_context_t x;
window_context_t w;
module_context_t m;
/* for internal use *only*. *Never* acces this from outside! */
exec_context_privileged_t private_data;
} exec_context_t;
typedef enum
{
ECC_TYPE = 0x1,
ECC_ETRIGGER = 0x2,
ECC_FW = 0x4,
ECC_W = 0x8,
ECC_WCONTEXT = 0x10,
ECC_MODULE = 0x20
} exec_context_change_mask_t;
typedef struct
{
exec_context_type_t type;
x_context_t x;
window_context_t w;
module_context_t m;
} exec_context_changes_t;
/* ---------------------------- forward declarations ----------------------- */
/* ---------------------------- exported variables (globals) --------------- */
/* ---------------------------- interface functions ------------------------ */
/* Creates a new exec_context from the passed in arguments in malloc'ed memory.
* The context must later be destroyed with exc_destroy_context().
*
* Args:
* ecc
* Pointer to a structure which specifies the initial values of the struct
* members.
* mask
* The mask of members in ecc to use.
*/
const exec_context_t *exc_create_context(
exec_context_changes_t *ecc, exec_context_change_mask_t mask);
/* Similar to exc_create_context(), but the created context contains only dummy
* information. */
const exec_context_t *exc_create_null_context(void);
/* Works like exc_create_context(), but initialises all values with the data
* from excin. The ecc/mask pair overrides these values. */
const exec_context_t *exc_clone_context(
const exec_context_t *excin, exec_context_changes_t *ecc,
exec_context_change_mask_t mask);
/* Destroys an exec_context structure that was created with
* exc_create_context(). */
void exc_destroy_context(const exec_context_t *exc);
#endif /* EXECCONTEXT_H */
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