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[settings] Add support for navigation keys in "config" user interface

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Add support for page up, page down, home and end keys, matching the
navigation logic used in the menu user interface.

Originally-implemented-by: Marin Hannache <git@mareo.fr>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2013-07-15 11:59:13 +02:00
parent 4fabc0012a
commit 75bd5b54a8
1 changed files with 28 additions and 10 deletions
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38
src/hci/tui/settings_ui.c
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@@ -508,13 +508,25 @@ static int main_loop ( struct settings *settings ) {
key = getkey ( 0 );
move = 0;
switch ( key ) {
case KEY_DOWN:
if ( widget.current < ( widget.num_rows - 1 ) )
move = +1;
break;
case KEY_UP:
if ( widget.current > 0 )
move = -1;
move = -1;
break;
case KEY_DOWN:
move = +1;
break;
case KEY_PPAGE:
move = ( widget.first_visible -
widget.current - 1 );
break;
case KEY_NPAGE:
move = ( widget.first_visible - widget.current
+ SETTINGS_LIST_ROWS );
break;
case KEY_HOME:
move = -widget.num_rows;
break;
case KEY_END:
move = +widget.num_rows;
break;
case CTRL_D:
if ( ! widget.row.setting )
@@ -545,10 +557,16 @@ static int main_loop ( struct settings *settings ) {
}
if ( move ) {
next = ( widget.current + move );
draw_setting_row ( &widget );
redraw = 1;
reveal_setting_row ( &widget, next );
select_setting_row ( &widget, next );
if ( ( int ) next < 0 )
next = 0;
if ( next >= widget.num_rows )
next = ( widget.num_rows - 1 );
if ( next != widget.current ) {
draw_setting_row ( &widget );
redraw = 1;
reveal_setting_row ( &widget, next );
select_setting_row ( &widget, next );
}
}
}
}