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elinks/src/bfu/inpfield.h
2022-01-30 18:21:52 +01:00

126 lines
3.7 KiB
C

#ifndef EL__BFU_INPFIELD_H
#define EL__BFU_INPFIELD_H
#include "bfu/common.h"
#include "util/memlist.h"
#include "util/lists.h"
#include "util/align.h"
#ifdef __cplusplus
extern "C" {
#endif
struct dialog;
struct dialog_data;
struct input_history;
struct session;
struct terminal;
struct widget_data;
enum inpfield_flags {
INPFIELD_NONE = 0, /* Field label on first line, value on next one. */
INPFIELD_FLOAT = 1, /* Field label followed by ':' and value on the same line. */
INPFIELD_FLOAT2 = 2, /* Field label followed by value on the same line. */
};
struct widget_info_field {
int min;
int max;
struct input_history *history;
enum inpfield_flags flags;
};
struct widget_data_info_field {
int vpos;
int cpos;
LIST_OF(struct input_history_entry) history;
struct input_history_entry *cur_hist;
};
void
add_dlg_field_do(struct dialog *dlg, enum widget_type type, char *label,
int min, int max, widget_handler_T *handler,
int data_len, void *data,
struct input_history *history, enum inpfield_flags flags);
#define add_dlg_field(dlg, label, min, max, handler, len, field, history) \
add_dlg_field_do(dlg, WIDGET_FIELD, label, min, max, handler, len, field, history, INPFIELD_NONE)
#define add_dlg_field_float(dlg, label, min, max, handler, len, field, history) \
add_dlg_field_do(dlg, WIDGET_FIELD, label, min, max, handler, len, field, history, INPFIELD_FLOAT)
#define add_dlg_field_float2(dlg, label, min, max, handler, len, field, history) \
add_dlg_field_do(dlg, WIDGET_FIELD, label, min, max, handler, len, field, history, INPFIELD_FLOAT2)
#define add_dlg_field_pass(dlg, label, min, max, handler, len, field) \
add_dlg_field_do(dlg, WIDGET_FIELD_PASS, label, min, max, handler, len, field, NULL, INPFIELD_NONE)
#define add_dlg_field_float_pass(dlg, label, min, max, handler, len, field) \
add_dlg_field_do(dlg, WIDGET_FIELD_PASS, label, min, max, handler, len, field, NULL, INPFIELD_FLOAT)
extern const struct widget_ops field_ops;
extern const struct widget_ops field_pass_ops;
widget_handler_status_T check_number(struct dialog_data *, struct widget_data *);
widget_handler_status_T check_nonempty(struct dialog_data *, struct widget_data *);
void dlg_format_field(struct dialog_data *, struct widget_data *, int, int *, int, int *, format_align_T, int format_only);
void input_field(struct terminal *, struct memory_list *, int, char *,
char *, char *, char *, void *,
struct input_history *, int, const char *, int, int,
widget_handler_T *check,
void (*)(void *, char *),
void (*)(void *));
void
input_dialog(struct terminal *term, struct memory_list *ml,
char *title,
char *text,
void *data, struct input_history *history, int l,
const char *def, int min, int max,
widget_handler_T *check,
void (*fn)(void *, char *),
void (*cancelfn)(void *));
/* Input lines */
#define INPUT_LINE_BUFFER_SIZE 256
#define INPUT_LINE_WIDGETS 1
enum input_line_code {
INPUT_LINE_CANCEL,
INPUT_LINE_PROCEED,
INPUT_LINE_REWIND,
};
struct input_line;
/* If the handler returns non zero value it means to cancel the input line */
typedef enum input_line_code (*input_line_handler_T)(struct input_line *line, int action_id);
struct input_line {
struct session *ses;
input_line_handler_T handler;
void *data;
char buffer[INPUT_LINE_BUFFER_SIZE];
};
void
input_field_line(struct session *ses, char *prompt, void *data,
struct input_history *history, input_line_handler_T handler);
#define widget_has_history(widget_data) ((widget_data)->widget->type == WIDGET_FIELD \
&& (widget_data)->widget->info.field.history)
#define widget_is_textfield(widget_data) ((widget_data)->widget->type == WIDGET_FIELD \
|| (widget_data)->widget->type == WIDGET_FIELD_PASS)
#ifdef __cplusplus
}
#endif
#endif