mc/lib/widget/wtools.h

101 lines
3.8 KiB
C

/** \file wtools.h
* \brief Header: widget based utility functions
*/
#ifndef MC__WTOOLS_H
#define MC__WTOOLS_H
/*** typedefs(not structures) and defined constants **********************************************/
/* Pass this as def_text to request a password */
#define INPUT_PASSWORD ((char *) -1)
/* Use this as header for message() - it expands to "Error" */
#define MSG_ERROR ((char *) -1)
typedef struct status_msg_t status_msg_t;
#define STATUS_MSG(x) ((status_msg_t *)(x))
typedef struct simple_status_msg_t simple_status_msg_t;
#define SIMPLE_STATUS_MSG(x) ((simple_status_msg_t *)(x))
typedef void (*status_msg_cb) (status_msg_t * sm);
typedef int (*status_msg_update_cb) (status_msg_t * sm);
/*** enums ***************************************************************************************/
/* flags for message() and query_dialog() */
enum
{
D_NORMAL = 0,
D_ERROR = (1 << 0),
D_CENTER = (1 << 1)
} /* dialog options */ ;
/*** structures declarations (and typedefs of structures)*****************************************/
/* Base class for status message of long-time operations.
Useful to show progress of long-time operations and interrupt it. */
struct status_msg_t
{
WDialog *dlg; /* pointer to status message dialog */
gint64 start; /* start time in microseconds */
gint64 delay; /* delay before raise the 'dlg' in microseconds */
gboolean block; /* how to get event using tty_get_event() */
status_msg_cb init; /* callback to init derived classes */
status_msg_update_cb update; /* callback to update dlg */
status_msg_cb deinit; /* callback to deinit derived classes */
};
/* Simple status message with label and 'Abort' button */
struct simple_status_msg_t
{
status_msg_t status_msg; /* base class */
WLabel *label;
};
/*** global variables defined in .c file *********************************************************/
/*** declarations of public functions ************************************************************/
/* The input dialogs */
char *input_dialog (const char *header, const char *text,
const char *history_name, const char *def_text,
input_complete_t completion_flags);
char *input_dialog_help (const char *header, const char *text, const char *help,
const char *history_name, const char *def_text, gboolean strip_password,
input_complete_t completion_flags);
char *input_expand_dialog (const char *header, const char *text, const char *history_name,
const char *def_text, input_complete_t completion_flags);
int query_dialog (const char *header, const char *text, int flags, int count, ...);
void query_set_sel (int new_sel);
/* Create message box but don't dismiss it yet, not background safe */
/* *INDENT-OFF* */
WDialog *create_message (int flags, const char *title, const char *text, ...)
G_GNUC_PRINTF (3, 4);
/* Show message box, background safe */
void message (int flags, const char *title, const char *text, ...) G_GNUC_PRINTF (3, 4);
/* *INDENT-ON* */
gboolean mc_error_message (GError ** mcerror, int *code);
status_msg_t *status_msg_create (const char *title, double delay, status_msg_cb init_cb,
status_msg_update_cb update_cb, status_msg_cb deinit_cb);
void status_msg_destroy (status_msg_t * sm);
void status_msg_init (status_msg_t * sm, const char *title, double delay, status_msg_cb init_cb,
status_msg_update_cb update_cb, status_msg_cb deinit_cb);
void status_msg_deinit (status_msg_t * sm);
int status_msg_common_update (status_msg_t * sm);
void simple_status_msg_init_cb (status_msg_t * sm);
/*** inline functions ****************************************************************************/
#endif /* MC__WTOOLS_H */