]>
git.ipfire.org Git - people/ms/u-boot.git/blob - scripts/kconfig/lxdialog/inputbox.c
2 * inputbox.c -- implements the input box
4 * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
5 * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
7 * SPDX-License-Identifier: GPL-2.0+
12 char dialog_input_result
[MAX_LEN
+ 1];
15 * Print the termination buttons
17 static void print_buttons(WINDOW
* dialog
, int height
, int width
, int selected
)
19 int x
= width
/ 2 - 11;
22 print_button(dialog
, gettext(" Ok "), y
, x
, selected
== 0);
23 print_button(dialog
, gettext(" Help "), y
, x
+ 14, selected
== 1);
25 wmove(dialog
, y
, x
+ 1 + 14 * selected
);
30 * Display a dialog box for inputing a string
32 int dialog_inputbox(const char *title
, const char *prompt
, int height
, int width
,
35 int i
, x
, y
, box_y
, box_x
, box_width
;
36 int input_x
= 0, key
= 0, button
= -1;
38 char *instr
= dialog_input_result
;
47 if (getmaxy(stdscr
) <= (height
- INPUTBOX_HEIGTH_MIN
))
48 return -ERRDISPLAYTOOSMALL
;
49 if (getmaxx(stdscr
) <= (width
- INPUTBOX_WIDTH_MIN
))
50 return -ERRDISPLAYTOOSMALL
;
52 /* center dialog box on screen */
53 x
= (getmaxx(stdscr
) - width
) / 2;
54 y
= (getmaxy(stdscr
) - height
) / 2;
56 draw_shadow(stdscr
, y
, x
, height
, width
);
58 dialog
= newwin(height
, width
, y
, x
);
61 draw_box(dialog
, 0, 0, height
, width
,
62 dlg
.dialog
.atr
, dlg
.border
.atr
);
63 wattrset(dialog
, dlg
.border
.atr
);
64 mvwaddch(dialog
, height
- 3, 0, ACS_LTEE
);
65 for (i
= 0; i
< width
- 2; i
++)
66 waddch(dialog
, ACS_HLINE
);
67 wattrset(dialog
, dlg
.dialog
.atr
);
68 waddch(dialog
, ACS_RTEE
);
70 print_title(dialog
, title
, width
);
72 wattrset(dialog
, dlg
.dialog
.atr
);
73 print_autowrap(dialog
, prompt
, width
- 2, 1, 3);
75 /* Draw the input field box */
76 box_width
= width
- 6;
79 box_x
= (width
- box_width
) / 2;
80 draw_box(dialog
, y
+ 1, box_x
- 1, 3, box_width
+ 2,
81 dlg
.dialog
.atr
, dlg
.border
.atr
);
83 print_buttons(dialog
, height
, width
, 0);
85 /* Set up the initial value */
86 wmove(dialog
, box_y
, box_x
);
87 wattrset(dialog
, dlg
.inputbox
.atr
);
92 if (len
>= box_width
) {
93 show_x
= len
- box_width
+ 1;
94 input_x
= box_width
- 1;
95 for (i
= 0; i
< box_width
- 1; i
++)
96 waddch(dialog
, instr
[show_x
+ i
]);
100 waddstr(dialog
, instr
);
103 wmove(dialog
, box_y
, box_x
+ input_x
);
107 while (key
!= KEY_ESC
) {
108 key
= wgetch(dialog
);
110 if (button
== -1) { /* Input box selected */
119 wattrset(dialog
, dlg
.inputbox
.atr
);
126 for (i
= pos
- 1; i
< len
; i
++) {
127 instr
[i
] = instr
[i
+1];
134 wmove(dialog
, box_y
, box_x
);
135 for (i
= 0; i
< box_width
; i
++) {
136 if (!instr
[show_x
+ i
]) {
140 waddch(dialog
, instr
[show_x
+ i
]);
142 wmove(dialog
, box_y
, input_x
+ box_x
);
149 wmove(dialog
, box_y
, --input_x
+ box_x
);
150 } else if (input_x
== 0) {
152 wmove(dialog
, box_y
, box_x
);
153 for (i
= 0; i
< box_width
; i
++) {
154 if (!instr
[show_x
+ i
]) {
158 waddch(dialog
, instr
[show_x
+ i
]);
160 wmove(dialog
, box_y
, box_x
);
167 if (input_x
< box_width
- 1) {
168 wmove(dialog
, box_y
, ++input_x
+ box_x
);
169 } else if (input_x
== box_width
- 1) {
171 wmove(dialog
, box_y
, box_x
);
172 for (i
= 0; i
< box_width
; i
++) {
173 if (!instr
[show_x
+ i
]) {
177 waddch(dialog
, instr
[show_x
+ i
]);
179 wmove(dialog
, box_y
, input_x
+ box_x
);
185 if (key
< 0x100 && isprint(key
)) {
187 wattrset(dialog
, dlg
.inputbox
.atr
);
189 for (i
= len
; i
> pos
; i
--)
190 instr
[i
] = instr
[i
-1];
199 if (input_x
== box_width
- 1) {
205 wmove(dialog
, box_y
, box_x
);
206 for (i
= 0; i
< box_width
; i
++) {
207 if (!instr
[show_x
+ i
]) {
211 waddch(dialog
, instr
[show_x
+ i
]);
213 wmove(dialog
, box_y
, input_x
+ box_x
);
216 flash(); /* Alarm user about overflow */
234 button
= 1; /* Indicates "Help" button is selected */
235 print_buttons(dialog
, height
, width
, 1);
238 button
= -1; /* Indicates input box is selected */
239 print_buttons(dialog
, height
, width
, 0);
240 wmove(dialog
, box_y
, box_x
+ input_x
);
244 button
= 0; /* Indicates "OK" button is selected */
245 print_buttons(dialog
, height
, width
, 0);
254 button
= 0; /* Indicates "OK" button is selected */
255 print_buttons(dialog
, height
, width
, 0);
258 button
= 1; /* Indicates "Help" button is selected */
259 print_buttons(dialog
, height
, width
, 1);
262 button
= -1; /* Indicates input box is selected */
263 print_buttons(dialog
, height
, width
, 0);
264 wmove(dialog
, box_y
, box_x
+ input_x
);
272 return (button
== -1 ? 0 : button
);
278 key
= on_key_esc(dialog
);
288 return KEY_ESC
; /* ESC pressed */