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Preliminary support for Ctrl+C

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This commit is contained in:
Baptiste Wicht 2016-07-02 17:19:14 +02:00
parent 34161e5ac3
commit f1df24d78a
3 changed files with 21 additions and 6 deletions
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2
kernel/include/keyboard.hpp
View File

@ -19,6 +19,8 @@ const char KEY_DOWN = 0x50;
const char KEY_LEFT_SHIFT = 0x2A;
const char KEY_RIGHT_SHIFT = 0x36;
const char KEY_LEFT_CTRL = 0x1D;
void install_driver();
char get_char();
char key_to_ascii(uint8_t key);

15
kernel/src/terminal.cpp
View File

@ -18,6 +18,7 @@ constexpr const size_t MAX_TERMINALS = 2;
size_t active_terminal;
bool shift = false;
bool ctrl = false;
std::array<stdio::virtual_terminal, MAX_TERMINALS> terminals;
@ -35,12 +36,16 @@ void stdio::virtual_terminal::send_input(char key){
key &= ~(0x80);
if(key == keyboard::KEY_LEFT_SHIFT || key == keyboard::KEY_RIGHT_SHIFT){
shift = false;
} else if(key == keyboard::KEY_LEFT_CTRL){
ctrl = false;
}
}
//Key pressed
else {
if(key == keyboard::KEY_LEFT_SHIFT || key == keyboard::KEY_RIGHT_SHIFT){
shift = true;
} else if(key == keyboard::KEY_LEFT_CTRL){
ctrl = true;
} else if(key == keyboard::KEY_BACKSPACE){
if(!input_buffer.empty() || !canonical_buffer.empty()){
print('\b');
@ -54,9 +59,13 @@ void stdio::virtual_terminal::send_input(char key){
: keyboard::key_to_ascii(key);
if(qwertz_key){
input_buffer.push(qwertz_key);
if(ctrl && qwertz_key == 'c'){
input_buffer.push(200);
} else {
input_buffer.push(qwertz_key);
print(qwertz_key);
print(qwertz_key);
}
if(!input_queue.empty()){
input_queue.wake_up();
@ -92,7 +101,7 @@ size_t stdio::virtual_terminal::read_input(char* buffer, size_t max){
}
}
if(read > 0 && (c == '\n' || read == max)){
if(read > 0 && (c == '\n' || c == 200 || read == max)){
read = 0;
while(!canonical_buffer.empty()){
auto value = canonical_buffer.pop();

10
programs/tsh/src/main.cpp
View File

@ -121,12 +121,16 @@ int main(){
char input_buffer[128];
std::string current_input;
print("thor> ");
while(true){
auto c = read_input(input_buffer, 127);
if(input_buffer[c-1] == 200){
input_buffer[c-1] = '\n';
}
if(input_buffer[c-1] == '\n'){
if(c > 1){
input_buffer[c-1] = '\0';
@ -174,7 +178,7 @@ int main(){
}
current_input.clear();
print("thor> ");
} else {
input_buffer[c] = '\0';
@ -184,4 +188,4 @@ int main(){
}
__builtin_unreachable();
}
}