1 files changed, 65 insertions, 0 deletions
diff --git a/src/game/client/lineinput.cpp b/src/game/client/lineinput.cpp
new file mode 100644
index 00000000..7a02d1f9
--- /dev/null
+++ b/src/game/client/lineinput.cpp
@@ -0,0 +1,65 @@
+#include <engine/e_client_interface.h>
+#include <string.h> // strlen
+#include "lineinput.hpp"
+
+LINEINPUT::LINEINPUT()
+{
+	clear();
+}
+
+void LINEINPUT::clear()
+{
+	mem_zero(str, sizeof(str));
+	len = 0;
+	cursor_pos = 0;
+}
+
+void LINEINPUT::set(const char *string)
+{
+	str_copy(str, string, sizeof(str));
+	len = strlen(str);
+	cursor_pos = len;
+}
+
+void LINEINPUT::process_input(INPUT_EVENT e)
+{
+	if(cursor_pos > len)
+		cursor_pos = len;
+	
+	char c = e.ch;
+	int k = e.key;
+	
+	if (!(c >= 0 && c < 32))
+	{
+		if (len < sizeof(str) - 1 && cursor_pos < sizeof(str) - 1)
+		{
+			memmove(str + cursor_pos + 1, str + cursor_pos, len - cursor_pos + 1);
+			str[cursor_pos] = c;
+			cursor_pos++;
+			len++;
+		}
+	}
+	
+	if(e.flags&INPFLAG_PRESS)
+	{
+		if (k == KEY_BACKSPACE && cursor_pos > 0)
+		{
+			memmove(str + cursor_pos - 1, str + cursor_pos, len - cursor_pos + 1);
+			cursor_pos--;
+			len--;
+		}
+		else if (k == KEY_DEL && cursor_pos < len)
+		{
+			memmove(str + cursor_pos, str + cursor_pos + 1, len - cursor_pos);
+			len--;
+		}
+		else if (k == KEY_LEFT && cursor_pos > 0)
+			cursor_pos--;
+		else if (k == KEY_RIGHT && cursor_pos < len)
+			cursor_pos++;
+		else if (k == KEY_HOME)
+			cursor_pos = 0;
+		else if (k == KEY_END)
+			cursor_pos = len;
+	}
+}