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Implement HOME/END keys for line edit

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This commit is contained in:
Andrey A. Chernov 1994-10-10 22:32:07 +00:00
parent 7f6f3361ff
commit 296c81b4e8
2 changed files with 26 additions and 5 deletions
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3
gnu/usr.bin/dialog/TESTS/inputbox
View file

@ -8,7 +8,8 @@ to input a string as the answer. You can \n\
input strings of length longer than the \n\
width of the input box, in that case, the \n\
input field will be automatically scrolled. \n\
You can use BACKSPACE to correct errors. \n\n\
You can use BACKSPACE, LEFT, RIGHT, HOME, END \n\
to correct errors. \n\n\
Try inputing your name below:" 16 51 2> /tmp/inputbox.tmp.$$
retval=$?

28
gnu/usr.bin/dialog/inputbox.c
View file

@ -91,6 +91,26 @@ int dialog_inputbox(unsigned char *title, unsigned char *prompt, int height, int
case KEY_UP:
case KEY_DOWN:
break;
case KEY_HOME:
input_x = scroll = 0;
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width; i++)
waddch(dialog, instr[i] ? instr[i] : ' ');
wmove(dialog, box_y, box_x);
wrefresh(dialog);
continue;
case KEY_END:
for (i = strlen(instr) - 1; i >= scroll + input_x && instr[i] == ' '; i--)
instr[i] = '\0';
i++;
input_x = i % box_width;
scroll = i - input_x;
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, input_x + box_x);
wrefresh(dialog);
continue;
case KEY_LEFT:
if (input_x || scroll) {
wattrset(dialog, inputbox_attr);
@ -145,10 +165,10 @@ int dialog_inputbox(unsigned char *title, unsigned char *prompt, int height, int
}
else
input_x--;
wmove(dialog, box_y, input_x + box_x);
wmove(dialog, box_y, input_x + box_x);
for (i = input_x; i < box_width; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, input_x + box_x);
wmove(dialog, box_y, input_x + box_x);
wrefresh(dialog);
}
continue;
@ -169,8 +189,8 @@ int dialog_inputbox(unsigned char *title, unsigned char *prompt, int height, int
}
else {
wmove(dialog, box_y, input_x + box_x);
for (i = input_x; i < box_width && instr[scroll+i]; i++)
waddch(dialog, instr[scroll+i]);
for (i = input_x; i < box_width; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, ++input_x + box_x);
}
wrefresh(dialog);