blob: cc917dfba13871385a2da75cdb799d90a449ff19 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#ifndef UFM_WIDGET_INPUT_H
#define UFM_WIDGET_INPUT_H
#include <Uefi.h>
#include "tbi/screen.h"
#include "tbi/win.h"
struct widget_input {
struct window *win;
INTN point; // cursor position in the input line in chars
UINTN max_size; // maximum length of input line
UINTN buf_len; // current length of input line
CHAR16 *buffer;
};
/*
* Creates a input widget (single line of text and lets the user edit it) with
* given parameters.
*
* scr: the information of the screen
* x: the column coordinate (starts from 0) of upper left corner of the window
* y: the line coordinate (starts from 0) of upper left corner of the window
* width: the length and the maximum number of characters in the line
* attr: attributes of the line
* def_text: the pointer to initial string in the input line
*
* return: A pointer to the allocated structure or NULL if allocation fails
*/
struct widget_input *input_alloc(struct screen *scr, INT32 x, INT32 y,
INT32 width, INT32 attr, CONST CHAR16 *def_text);
/*
* Deletes the input widget, frees the structure
*
* in: the input widget on which to operate
*
* return: VOID
*/
VOID input_release(struct widget_input *in);
/*
* Moves the cursor to the specified position from 0 to current length of
* the input line. If the position is not in this limit, then extreme
* points will be used
*
* in: the input widget on which to operate
* pos: the coordinate (starts from 0)
*
* return: VOID
*/
VOID input_set_point(struct widget_input *in, INTN pos);
/*
* Handles the given key and print it (if it's character).
* Supports next control characters: Backspace, left arrow, right arrow.
* Ignores others.
*
* in: the input widget on which to operate
* key: the key to handle
*
* return: VOID
*/
VOID input_handle_char(struct widget_input *in, EFI_INPUT_KEY key);
/*
* Does the output of input widget to the terminal
*
* in: the input widget on which to operate
*
* return: VOID
*/
VOID input_update(struct widget_input *in);
#endif /* UFM_WIDGET_INPUT_H */
|
