You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
301 lines
7.0 KiB
301 lines
7.0 KiB
/*
|
|
* inputbox.c -- implements the input box
|
|
*
|
|
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
|
|
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include "dialog.h"
|
|
|
|
char dialog_input_result[MAX_LEN + 1];
|
|
|
|
/*
|
|
* Print the termination buttons
|
|
*/
|
|
static void print_buttons(WINDOW * dialog, int height, int width, int selected)
|
|
{
|
|
int x = width / 2 - 11;
|
|
int y = height - 2;
|
|
|
|
print_button(dialog, gettext(" Ok "), y, x, selected == 0);
|
|
print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
|
|
|
|
wmove(dialog, y, x + 1 + 14 * selected);
|
|
wrefresh(dialog);
|
|
}
|
|
|
|
/*
|
|
* Display a dialog box for inputing a string
|
|
*/
|
|
int dialog_inputbox(const char *title, const char *prompt, int height, int width,
|
|
const char *init)
|
|
{
|
|
int i, x, y, box_y, box_x, box_width;
|
|
int input_x = 0, key = 0, button = -1;
|
|
int show_x, len, pos;
|
|
char *instr = dialog_input_result;
|
|
WINDOW *dialog;
|
|
|
|
if (!init)
|
|
instr[0] = '\0';
|
|
else
|
|
strcpy(instr, init);
|
|
|
|
do_resize:
|
|
if (getmaxy(stdscr) <= (height - INPUTBOX_HEIGTH_MIN))
|
|
return -ERRDISPLAYTOOSMALL;
|
|
if (getmaxx(stdscr) <= (width - INPUTBOX_WIDTH_MIN))
|
|
return -ERRDISPLAYTOOSMALL;
|
|
|
|
/* center dialog box on screen */
|
|
x = (getmaxx(stdscr) - width) / 2;
|
|
y = (getmaxy(stdscr) - height) / 2;
|
|
|
|
draw_shadow(stdscr, y, x, height, width);
|
|
|
|
dialog = newwin(height, width, y, x);
|
|
keypad(dialog, TRUE);
|
|
|
|
draw_box(dialog, 0, 0, height, width,
|
|
dlg.dialog.atr, dlg.border.atr);
|
|
wattrset(dialog, dlg.border.atr);
|
|
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
|
|
for (i = 0; i < width - 2; i++)
|
|
waddch(dialog, ACS_HLINE);
|
|
wattrset(dialog, dlg.dialog.atr);
|
|
waddch(dialog, ACS_RTEE);
|
|
|
|
print_title(dialog, title, width);
|
|
|
|
wattrset(dialog, dlg.dialog.atr);
|
|
print_autowrap(dialog, prompt, width - 2, 1, 3);
|
|
|
|
/* Draw the input field box */
|
|
box_width = width - 6;
|
|
getyx(dialog, y, x);
|
|
box_y = y + 2;
|
|
box_x = (width - box_width) / 2;
|
|
draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2,
|
|
dlg.dialog.atr, dlg.border.atr);
|
|
|
|
print_buttons(dialog, height, width, 0);
|
|
|
|
/* Set up the initial value */
|
|
wmove(dialog, box_y, box_x);
|
|
wattrset(dialog, dlg.inputbox.atr);
|
|
|
|
len = strlen(instr);
|
|
pos = len;
|
|
|
|
if (len >= box_width) {
|
|
show_x = len - box_width + 1;
|
|
input_x = box_width - 1;
|
|
for (i = 0; i < box_width - 1; i++)
|
|
waddch(dialog, instr[show_x + i]);
|
|
} else {
|
|
show_x = 0;
|
|
input_x = len;
|
|
waddstr(dialog, instr);
|
|
}
|
|
|
|
wmove(dialog, box_y, box_x + input_x);
|
|
|
|
wrefresh(dialog);
|
|
|
|
while (key != KEY_ESC) {
|
|
key = wgetch(dialog);
|
|
|
|
if (button == -1) { /* Input box selected */
|
|
switch (key) {
|
|
case TAB:
|
|
case KEY_UP:
|
|
case KEY_DOWN:
|
|
break;
|
|
case KEY_BACKSPACE:
|
|
case 127:
|
|
if (pos) {
|
|
wattrset(dialog, dlg.inputbox.atr);
|
|
if (input_x == 0) {
|
|
show_x--;
|
|
} else
|
|
input_x--;
|
|
|
|
if (pos < len) {
|
|
for (i = pos - 1; i < len; i++) {
|
|
instr[i] = instr[i+1];
|
|
}
|
|
}
|
|
|
|
pos--;
|
|
len--;
|
|
instr[len] = '\0';
|
|
wmove(dialog, box_y, box_x);
|
|
for (i = 0; i < box_width; i++) {
|
|
if (!instr[show_x + i]) {
|
|
waddch(dialog, ' ');
|
|
break;
|
|
}
|
|
waddch(dialog, instr[show_x + i]);
|
|
}
|
|
wmove(dialog, box_y, input_x + box_x);
|
|
wrefresh(dialog);
|
|
}
|
|
continue;
|
|
case KEY_LEFT:
|
|
if (pos > 0) {
|
|
if (input_x > 0) {
|
|
wmove(dialog, box_y, --input_x + box_x);
|
|
} else if (input_x == 0) {
|
|
show_x--;
|
|
wmove(dialog, box_y, box_x);
|
|
for (i = 0; i < box_width; i++) {
|
|
if (!instr[show_x + i]) {
|
|
waddch(dialog, ' ');
|
|
break;
|
|
}
|
|
waddch(dialog, instr[show_x + i]);
|
|
}
|
|
wmove(dialog, box_y, box_x);
|
|
}
|
|
pos--;
|
|
}
|
|
continue;
|
|
case KEY_RIGHT:
|
|
if (pos < len) {
|
|
if (input_x < box_width - 1) {
|
|
wmove(dialog, box_y, ++input_x + box_x);
|
|
} else if (input_x == box_width - 1) {
|
|
show_x++;
|
|
wmove(dialog, box_y, box_x);
|
|
for (i = 0; i < box_width; i++) {
|
|
if (!instr[show_x + i]) {
|
|
waddch(dialog, ' ');
|
|
break;
|
|
}
|
|
waddch(dialog, instr[show_x + i]);
|
|
}
|
|
wmove(dialog, box_y, input_x + box_x);
|
|
}
|
|
pos++;
|
|
}
|
|
continue;
|
|
default:
|
|
if (key < 0x100 && isprint(key)) {
|
|
if (len < MAX_LEN) {
|
|
wattrset(dialog, dlg.inputbox.atr);
|
|
if (pos < len) {
|
|
for (i = len; i > pos; i--)
|
|
instr[i] = instr[i-1];
|
|
instr[pos] = key;
|
|
} else {
|
|
instr[len] = key;
|
|
}
|
|
pos++;
|
|
len++;
|
|
instr[len] = '\0';
|
|
|
|
if (input_x == box_width - 1) {
|
|
show_x++;
|
|
} else {
|
|
input_x++;
|
|
}
|
|
|
|
wmove(dialog, box_y, box_x);
|
|
for (i = 0; i < box_width; i++) {
|
|
if (!instr[show_x + i]) {
|
|
waddch(dialog, ' ');
|
|
break;
|
|
}
|
|
waddch(dialog, instr[show_x + i]);
|
|
}
|
|
wmove(dialog, box_y, input_x + box_x);
|
|
wrefresh(dialog);
|
|
} else
|
|
flash(); /* Alarm user about overflow */
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
switch (key) {
|
|
case 'O':
|
|
case 'o':
|
|
delwin(dialog);
|
|
return 0;
|
|
case 'H':
|
|
case 'h':
|
|
delwin(dialog);
|
|
return 1;
|
|
case KEY_UP:
|
|
case KEY_LEFT:
|
|
switch (button) {
|
|
case -1:
|
|
button = 1; /* Indicates "Help" button is selected */
|
|
print_buttons(dialog, height, width, 1);
|
|
break;
|
|
case 0:
|
|
button = -1; /* Indicates input box is selected */
|
|
print_buttons(dialog, height, width, 0);
|
|
wmove(dialog, box_y, box_x + input_x);
|
|
wrefresh(dialog);
|
|
break;
|
|
case 1:
|
|
button = 0; /* Indicates "OK" button is selected */
|
|
print_buttons(dialog, height, width, 0);
|
|
break;
|
|
}
|
|
break;
|
|
case TAB:
|
|
case KEY_DOWN:
|
|
case KEY_RIGHT:
|
|
switch (button) {
|
|
case -1:
|
|
button = 0; /* Indicates "OK" button is selected */
|
|
print_buttons(dialog, height, width, 0);
|
|
break;
|
|
case 0:
|
|
button = 1; /* Indicates "Help" button is selected */
|
|
print_buttons(dialog, height, width, 1);
|
|
break;
|
|
case 1:
|
|
button = -1; /* Indicates input box is selected */
|
|
print_buttons(dialog, height, width, 0);
|
|
wmove(dialog, box_y, box_x + input_x);
|
|
wrefresh(dialog);
|
|
break;
|
|
}
|
|
break;
|
|
case ' ':
|
|
case '\n':
|
|
delwin(dialog);
|
|
return (button == -1 ? 0 : button);
|
|
case 'X':
|
|
case 'x':
|
|
key = KEY_ESC;
|
|
break;
|
|
case KEY_ESC:
|
|
key = on_key_esc(dialog);
|
|
break;
|
|
case KEY_RESIZE:
|
|
delwin(dialog);
|
|
on_key_resize();
|
|
goto do_resize;
|
|
}
|
|
}
|
|
|
|
delwin(dialog);
|
|
return KEY_ESC; /* ESC pressed */
|
|
}
|
|
|