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Bugfix: backspace was not correctly handled

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This commit is contained in:
Baptiste Wicht 2014-03-03 20:59:33 +01:00
parent 5075f7df58
commit 07afd60608
1 changed files with 17 additions and 11 deletions
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28
kernel/src/terminal.cpp
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@ -46,13 +46,7 @@ void stdio::virtual_terminal::send_input(char key){
print('\b');
}
if(!input_buffer.empty()){
input_buffer.pop();
}
if(!canonical_buffer.empty()){
canonical_buffer.pop();
}
input_buffer.push('\b');
} else {
auto qwertz_key =
shift
@ -85,17 +79,29 @@ size_t stdio::virtual_terminal::read_input(char* buffer, size_t max){
canonical_buffer.push(c);
++read;
if(c == '\b'){
if(read > 0){
--read;
}
} else {
++read;
if(c == '\n'){
break;
if(c == '\n'){
break;
}
}
}
if(read > 0 && (c == '\n' || read == max)){
read = 0;
while(!canonical_buffer.empty()){
buffer[read++] = canonical_buffer.pop();
auto value = canonical_buffer.pop();
if(value == '\b'){
--read;
} else {
buffer[read++] = value;
}
}
return read;