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#include "VirtualTerminal.proto.h"
#include <TaskManager/Task.ns.h>
using namespace Kbd;
void VirtualTerminal::keyPress(keypress_t kp) {
if (m_kbdbuffEnd == m_kbdbuffStart - 1 or (m_kbdbuffEnd == KBDBUFFSIZE - 1 and m_kbdbuffStart == 0)) return;
m_kbdbuff[m_kbdbuffEnd] = kp;
m_kbdbuffEnd++;
if (m_kbdbuffEnd == KBDBUFFSIZE) m_kbdbuffEnd = 0;
if (!m_kbdMutex.locked()) {
if (kp.haschar && !kp.hascmd) {
put(kp.character);
} else if (kp.hascmd && !kp.haschar && kp.command == KBDC_ENTER) {
put("\n");
} else if (kp.hascmd && !kp.haschar && kp.command == KBDC_TAB) {
put("\t");
} else if (kp.hascmd && !kp.haschar && kp.command == KBDC_BACKSPACE) {
put("\b");
}
}
}
keypress_t VirtualTerminal::getKeypress(bool show, bool block) {
m_kbdMutex.waitLock();
if (m_kbdbuffStart == m_kbdbuffEnd && !block) {
m_kbdMutex.unlock();
return keypress_t();
}
while (m_kbdbuffStart == m_kbdbuffEnd) {
Task::currThread()->sleep(10);
}
keypress_t ret = m_kbdbuff[m_kbdbuffStart];
m_kbdbuffStart++;
if (m_kbdbuffStart == KBDBUFFSIZE) m_kbdbuffStart = 0;
m_kbdMutex.unlock();
if (show) {
if (ret.haschar && !ret.hascmd) {
put(ret.character);
} else if (ret.hascmd && !ret.haschar && ret.command == KBDC_ENTER) {
put("\n");
} else if (ret.hascmd && !ret.haschar && ret.command == KBDC_TAB) {
put("\t");
} else if (ret.hascmd && !ret.haschar && ret.command == KBDC_BACKSPACE) {
put("\b");
}
}
return ret;
}
String VirtualTerminal::readLine(bool show) {
String ret = "";
keypress_t tmp = getKeypress(show);
while (!(tmp.hascmd && !tmp.haschar && tmp.command == KBDC_ENTER)) {
if (tmp.hascmd && !tmp.haschar && tmp.command == KBDC_BACKSPACE) {
if (!ret.empty()) ret = ret.substr(0, ret.size() - 1);
else if (show) put(" "); //Put a space so that cursor stays at same place
} else if (tmp.hascmd && !tmp.haschar && tmp.command == KBDC_TAB) {
ret += "\t";
} else if (tmp.haschar && !tmp.hascmd) {
ret += tmp.character;
}
tmp = getKeypress(show);
}
if (!show) put("\n"); //Put a return if it hasn't been shown on getChar();
return ret;
}
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