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Code

Left, right keys scroll input

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This commit is contained in:
James Booth 2012-07-08 02:21:39 +01:00
parent 859a059125
commit 5fb985152f
1 changed files with 36 additions and 24 deletions
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60
input_win.c
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@ -128,7 +128,7 @@ void inp_get_char(int *ch, char *input, int *size)
// if gone over screen size follow input // if gone over screen size follow input
int rows, cols; int rows, cols;
getmaxyx(stdscr, rows, cols); getmaxyx(stdscr, rows, cols);
if (*size > cols-2) { if (*size - pad_start > cols-2) {
pad_start++; pad_start++;
prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1); prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1);
} }
@ -222,36 +222,48 @@ static int _handle_edit(const int ch, char *input, int *size)
case KEY_LEFT: case KEY_LEFT:
if (inp_x > 1) if (inp_x > 1)
wmove(inp_win, inp_y, inp_x-1); wmove(inp_win, inp_y, inp_x-1);
// current position off screen to left
if (inp_x < pad_start) {
pad_start--;
prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1);
}
return 1; return 1;
case KEY_RIGHT: case KEY_RIGHT:
if (inp_x <= *size) if (inp_x <= *size)
wmove(inp_win, inp_y, inp_x+1); wmove(inp_win, inp_y, inp_x+1);
return 1;
// current position off screen to right
case KEY_UP: if ((inp_x - pad_start) > cols-2) {
prev = history_previous(input, size); pad_start++;
if (prev)
_replace_input(input, prev, size);
return 1;
case KEY_DOWN:
next = history_next(input, size);
if (next)
_replace_input(input, next, size);
return 1;
case KEY_HOME:
wmove(inp_win, inp_y, 1);
pad_start = 0;
prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1);
return 1;
case KEY_END:
if (*size > cols-2) {
pad_start = ((*size) - cols) + 2;
prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1); prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1);
} }
return 1;
case KEY_UP:
prev = history_previous(input, size);
if (prev)
_replace_input(input, prev, size);
return 1;
case KEY_DOWN:
next = history_next(input, size);
if (next)
_replace_input(input, next, size);
return 1;
case KEY_HOME:
wmove(inp_win, inp_y, 1);
pad_start = 0;
prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1);
return 1;
case KEY_END:
if (*size > cols-2) {
pad_start = ((*size) - cols) + 2;
prefresh(inp_win, 0, pad_start, rows-1, 0, rows-1, cols-1);
}
wmove(inp_win, inp_y, (*size) + 1); wmove(inp_win, inp_y, (*size) + 1);
return 1; return 1;