From 1eb942c8a34166e43f43c843f09bb48ba40b65b2 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Sun, 20 Sep 2009 14:23:45 +0200
Subject: We now have scrollable virtual terminals !

---
 .../Kernel/VTManager/VirtualTerminal-kbd.proto.cpp | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Source/Kernel/VTManager/VirtualTerminal-kbd.proto.cpp

(limited to 'Source/Kernel/VTManager/VirtualTerminal-kbd.proto.cpp')

diff --git a/Source/Kernel/VTManager/VirtualTerminal-kbd.proto.cpp b/Source/Kernel/VTManager/VirtualTerminal-kbd.proto.cpp
new file mode 100644
index 0000000..1797554
--- /dev/null
+++ b/Source/Kernel/VTManager/VirtualTerminal-kbd.proto.cpp
@@ -0,0 +1,73 @@
+#include "VirtualTerminal.proto.h"
+#include <TaskManager/Task.ns.h>
+
+using namespace Kbd;
+
+void VirtualTerminal::keyPress(keypress_t kp) {
+	m_kbdbuffMutex.waitLock();
+	m_kbdbuff.push(kp);
+	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");
+		}
+	}
+	m_kbdbuffMutex.unlock();
+}
+
+keypress_t VirtualTerminal::getKeypress(bool show, bool block) {
+	m_kbdMutex.waitLock();
+
+	if (m_kbdbuff.empty() && !block) {
+		m_kbdMutex.unlock();
+		return keypress_t();
+	}
+
+	while (m_kbdbuff.empty())
+		Task::currentThread->sleep(10);
+
+	m_kbdbuffMutex.waitLock();
+	keypress_t ret = m_kbdbuff[0];
+
+	for (u32int i = 1; i < m_kbdbuff.size(); i++) {
+		m_kbdbuff[i - 1] = m_kbdbuff[i];
+	}
+	m_kbdbuff.pop();
+	m_kbdbuffMutex.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");
+		}
+	}
+
+	m_kbdMutex.unlock();
+	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 put(" ");	//Put a space so that cursor stays at same place
+		} 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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