int
main(int argc, char **argv)
{
status_t error;
device_node_cookie root;
if ((error = init_dm_wrapper()) < 0) {
printf("Error initializing device manager (%s)\n", strerror(error));
return error;
}
if (argc > 2)
usage();
if (argc == 2) {
if (!strcmp(argv[1], "-d")) {
gMode = DUMP_MODE;
} else {
usage();
}
}
if (gMode == DUMP_MODE) {
get_root(&root);
dump_nodes(&root, 0);
} else {
get_root(&root);
display_nodes(&root, 0);
}
uninit_dm_wrapper();
return 0;
}
void
tdu_interface_expand (int levels, int redraw)
{
node_s *n;
long scrolllines;
n = find_node_numbered(root_node, cursor_line);
if (!n) return;
scrolllines = expand_tree(n, levels);
if (!scrolllines) return;
if (!redraw && (levels > 1))
redraw = 1;
if (redraw) {
display_nodes(cursor_line - start_line,
visible_lines - (cursor_line - start_line),
root_node, cursor_line, cursor_line);
tdu_interface_refresh();
}
else {
long maxlines = visible_lines - (cursor_line - start_line);
if (scrolllines >= maxlines - 1) {
display_nodes(cursor_line - start_line,
visible_lines - (cursor_line
- start_line),
root_node, cursor_line, cursor_line);
}
else {
tdu_interface_refresh();
winsdelln(main_window, scrolllines);
display_nodes(cursor_line - start_line,
scrolllines + 1,
root_node, cursor_line, cursor_line);
}
tdu_interface_refresh();
}
}
void
tdu_interface_collapse (int redraw)
{
node_s *n;
long scrolllines;
n = find_node_numbered(root_node, cursor_line);
if (!n) return;
scrolllines = collapse_tree(n);
if (!scrolllines) return;
if (redraw) {
display_nodes(cursor_line - start_line,
visible_lines - (cursor_line - start_line),
root_node, cursor_line, cursor_line);
tdu_interface_refresh();
}
else {
long maxlines = visible_lines - (cursor_line - start_line);
if (scrolllines >= maxlines - 1) {
display_nodes(cursor_line - start_line,
visible_lines - (cursor_line
- start_line),
root_node, cursor_line, cursor_line);
}
else {
tdu_interface_refresh();
winsdelln(main_window, -scrolllines);
display_nodes(cursor_line - start_line, 1,
root_node, cursor_line, cursor_line);
display_nodes(visible_lines - scrolllines, scrolllines,
root_node,
cursor_line + maxlines - scrolllines,
cursor_line);
}
tdu_interface_refresh();
}
}
static void
display_nodes(device_node_cookie *node, uint8 level)
{
status_t err;
device_node_cookie child = *node;
level = display_device(node, level);
if (get_child(&child) != B_OK)
return;
do {
display_nodes(&child, level);
} while ((err = get_next_child(&child)) == B_OK);
}
void
tdu_interface_sort (node_sort_fp fp, bool reverse, bool isrecursive)
{
node_s *n = find_node_numbered(root_node, cursor_line);
if (n && n->expanded) {
long lines = n->expanded;
long maxlines = visible_lines - (cursor_line - start_line) - 1;
status_line_message("sorting...");
tree_sort(n, fp, reverse, isrecursive);
status_line_message(NULL);
if (lines > maxlines) lines = maxlines;
display_nodes(cursor_line - start_line + 1,
lines,
root_node,
cursor_line + 1,
cursor_line);
tdu_interface_refresh();
}
}
void
tdu_interface_display ()
{
display_nodes(0, visible_lines, root_node, start_line, cursor_line);
tdu_interface_refresh();
}
void
tdu_interface_refresh ()
{
int lines;
if (prev_start_line < 0) {
display_nodes(0, visible_lines, root_node, start_line,
cursor_line);
}
else {
/* make sure cursor_line is within reasonable range */
if (cursor_line < 0)
cursor_line = 0;
else if (cursor_line > root_node->expanded)
cursor_line = root_node->expanded;
/* position start_line such that
cursor_line is on the screen */
if (cursor_line < start_line)
/* up off the screen? */
start_line = cursor_line;
else if (cursor_line > (start_line+visible_lines-1))
/* down off the screen? */
start_line = cursor_line - (visible_lines - 1);
/* make sure start_line is within reasonable range */
if (start_line < 0)
start_line = 0;
else if (start_line > root_node->expanded)
start_line = root_node->expanded;
/* do we have to scroll the screen? */
lines = start_line - prev_start_line;
/* if we scroll too much, just redisplay the whole thing */
if (lines <= -visible_lines || lines >= visible_lines)
display_nodes(0, visible_lines, root_node,
start_line, cursor_line);
/* do we need to scroll down? */
else if (lines < 0) {
wscrl(main_window, lines);
display_nodes(0, -lines, root_node,
start_line, cursor_line);
}
/* do we need to scroll up? */
else if (lines > 0) {
wscrl(main_window, lines);
display_nodes(visible_lines - lines, lines, root_node,
start_line + visible_lines - lines,
cursor_line);
}
}
wrefresh(status_window);
wrefresh(main_window);
tdu_show_cursor();
prev_start_line = start_line;
}
