void process_help_keys(uint8_t k, uint8_t m, bool is_held_key) {
// <down> or C-n: line down
if (match_no_mod(m, k, HID_DOWN) || match_ctrl(m, k, HID_N)) {
if (offset < help_length[page_no] - 8) {
offset++;
dirty = true;
}
}
// <up> or C-p: line up
else if (match_no_mod(m, k, HID_UP) || match_ctrl(m, k, HID_P)) {
if (offset) {
offset--;
dirty = true;
}
}
// <left> or [: previous page
else if (match_no_mod(m, k, HID_LEFT) ||
match_no_mod(m, k, HID_OPEN_BRACKET)) {
if (page_no) {
offset = 0;
page_no--;
dirty = true;
}
}
// <right> or ]: next page
else if (match_no_mod(m, k, HID_RIGHT) ||
match_no_mod(m, k, HID_CLOSE_BRACKET)) {
if (page_no < HELP_PAGES - 1) {
offset = 0;
page_no++;
dirty = true;
}
}
}
void process_live_keys(uint8_t k, uint8_t m, bool is_held_key) {
// <down> or C-n: history next
if (match_no_mod(m, k, HID_DOWN) || match_ctrl(m, k, HID_N)) {
if (history_line > 0) {
history_line--;
line_editor_set_command(&le, &history[history_line]);
}
else {
history_line = -1;
line_editor_set(&le, "");
}
dirty |= D_INPUT;
}
// <up> or C-p: history previous
else if (match_no_mod(m, k, HID_UP) || match_ctrl(m, k, HID_P)) {
if (history_line < history_top) {
history_line++;
line_editor_set_command(&le, &history[history_line]);
dirty |= D_INPUT;
}
}
// <enter>: execute command
else if (match_no_mod(m, k, HID_ENTER)) {
dirty |= D_MESSAGE; // something will definitely happen
dirty |= D_INPUT;
tele_command_t command;
status = parse(line_editor_get(&le), &command, error_msg);
if (status != E_OK)
return; // quit, screen_refresh_live will display the error message
status = validate(&command, error_msg);
if (status != E_OK)
return; // quit, screen_refresh_live will display the error message
if (command.length) {
// increase history_size up to a maximum
history_top++;
if (history_top >= MAX_HISTORY_SIZE)
history_top = MAX_HISTORY_SIZE - 1;
// shuffle the history up
// should really use some sort of ring buffer
for (size_t i = history_top; i > 0; i--) {
memcpy(&history[i], &history[i - 1], sizeof(command));
}
memcpy(&history[0], &command, sizeof(command));
output = run_command(&scene_state, &command);
}
history_line = -1;
line_editor_set(&le, "");
}
// [ or ]: switch to edit mode
else if (match_no_mod(m, k, HID_OPEN_BRACKET) ||
match_no_mod(m, k, HID_CLOSE_BRACKET)) {
set_mode(M_EDIT);
}
else { // pass the key though to the line editor
bool processed = line_editor_process_keys(&le, k, m, is_held_key);
if (processed) dirty |= D_INPUT;
}
}