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simple line editor

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This commit is contained in:
MichaelDvP
2020-10-30 14:34:45 +01:00
parent 2ba864e0a0
commit 110a20a9ae
2 changed files with 30 additions and 3 deletions
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30
lib/uuid-console/src/shell.cpp
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@@ -226,8 +226,34 @@ void Shell::loop_normal() {
line_buffer_ = oldline_;
display_prompt();
}
// cursor back, forw or down: Delete line
if (((c == 'B') || (c == 'C') || (c == 'D')) && (previous_ == '[')) {
// cursor back, delete cursor chars and move on char to rest
if ((c == 'D') && (previous_ == '[')) {
line_buffer_.pop_back();
line_buffer_.pop_back();
if (line_buffer_.length() > 0) {
uint8_t ch = line_buffer_.back();
line_rest_.push_back(ch);
line_buffer_.pop_back();
}
erase_current_line();
prompt_displayed_ = false;
display_prompt();
}
// cursor forward, delete cursor chars and add one from rest.
if ((c == 'C') && (previous_ == '[')) {
line_buffer_.pop_back();
line_buffer_.pop_back();
if (line_rest_.length() > 0) {
uint8_t ch = line_rest_.back();
line_buffer_.push_back(ch);
line_rest_.pop_back();
}
erase_current_line();
prompt_displayed_ = false;
display_prompt();
}
// cursor down(B): Delete line
if ((c == 'B') && (previous_ == '[')) {
erase_current_line();
prompt_displayed_ = false;
line_buffer_.clear();