From 40b6c2ed9dc7353712e7960e4a8eeb07cb11879c Mon Sep 17 00:00:00 2001
From: "Adam D. Ruppe" <destructionator@gmail.com>
Date: Fri, 12 Dec 2014 09:46:09 -0500
Subject: [PATCH] retiring some obsolete stuff

---
 httpd.d => obsolete/httpd.d     |  0
 lazypng.d => obsolete/lazypng.d |  0
 netman.d => obsolete/netman.d   |  0
 terminal.d                      | 64 ++++++++++++++++++++++++++++++++-
 4 files changed, 63 insertions(+), 1 deletion(-)
 rename httpd.d => obsolete/httpd.d (100%)
 rename lazypng.d => obsolete/lazypng.d (100%)
 rename netman.d => obsolete/netman.d (100%)

diff --git a/httpd.d b/obsolete/httpd.d
similarity index 100%
rename from httpd.d
rename to obsolete/httpd.d
diff --git a/lazypng.d b/obsolete/lazypng.d
similarity index 100%
rename from lazypng.d
rename to obsolete/lazypng.d
diff --git a/netman.d b/obsolete/netman.d
similarity index 100%
rename from netman.d
rename to obsolete/netman.d
diff --git a/terminal.d b/terminal.d
index 0bef93b..6b49233 100644
--- a/terminal.d
+++ b/terminal.d
@@ -16,6 +16,9 @@
  */
 module terminal;
 
+// FIXME: ctrl+d eof on stdin
+// FIXME: sig hup
+
 // FIXME: http://msdn.microsoft.com/en-us/library/windows/desktop/ms686016%28v=vs.85%29.aspx
 
 version(linux)
@@ -743,6 +746,22 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
 		this.reverseVideo = reverseVideo;
 	}
 
+	private bool _underlined = false;
+
+	/// Note: the Windows console does not support underlining
+	void underline(bool set, ForceOption force = ForceOption.automatic) {
+		if(set == _underlined && force != ForceOption.alwaysSend)
+			return;
+		version(Posix) {
+			if(set)
+				writeStringRaw("\033[4m");
+			else
+				writeStringRaw("\033[24m");
+		}
+		_underlined = set;
+	}
+	// FIXME: do I want to do bold and italic?
+
 	/// Returns the terminal to normal output colors
 	void reset() {
 		version(Windows)
@@ -751,6 +770,11 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
 				cast(ushort)((Color.black << 4) | Color.white));
 		else
 			writeStringRaw("\033[0m");
+
+		_underlined = false;
+		_currentForeground = Color.DEFAULT;
+		_currentBackground = Color.DEFAULT;
+		reverseVideo = false;
 	}
 
 	// FIXME: add moveRelative
@@ -771,6 +795,7 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
 	/// Moves the output cursor to the given position. (0, 0) is the upper left corner of the screen. The force parameter can be used to force an update, even if Terminal doesn't think it is necessary
 	void moveTo(int x, int y, ForceOption force = ForceOption.automatic) {
 		if(force != ForceOption.neverSend && (force == ForceOption.alwaysSend || x != _cursorX || y != _cursorY)) {
+			executeAutoHideCursor();
 			version(Posix)
 				doTermcap("cm", y, x);
 			else version(Windows) {
@@ -810,6 +835,39 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
 
 	}
 
+	private bool autoHidingCursor;
+	private bool autoHiddenCursor;
+	// explicitly not publicly documented
+	// Sets the cursor to automatically insert a hide command at the front of the output buffer iff it is moved.
+	// Call autoShowCursor when you are done with the batch update.
+	void autoHideCursor() {
+		autoHidingCursor = true;
+	}
+
+	private void executeAutoHideCursor() {
+		if(autoHidingCursor) {
+			version(Windows)
+				hideCursor();
+			else version(Posix) {
+				// prepend the hide cursor command so it is the first thing flushed
+				writeBuffer = "\033[?25l" ~ writeBuffer;
+			}
+
+			autoHiddenCursor = true;
+			autoHidingCursor = false; // already been done, don't insert the command again
+		}
+	}
+
+	// explicitly not publicly documented
+	// Shows the cursor if it was automatically hidden by autoHideCursor and resets the internal auto hide state.
+	void autoShowCursor() {
+		if(autoHiddenCursor)
+			showCursor();
+
+		autoHidingCursor = false;
+		autoHiddenCursor = false;
+	}
+
 	/*
 	// alas this doesn't work due to a bunch of delegate context pointer and postblit problems
 	// instead of using: auto input = terminal.captureInput(flags)
@@ -965,12 +1023,16 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
 					_cursorX = 0;
 					_cursorY++;
 				break;
+				case '\r':
+					_cursorX = 0;
+				break;
 				case '\t':
 					_cursorX ++;
 					_cursorX += _cursorX % 8; // FIXME: get the actual tabstop, if possible
 				break;
 				default:
-					_cursorX++;
+					if(ch <= 127) // way of only advancing once per dchar instead of per code unit
+						_cursorX++;
 			}
 
 			if(_wrapAround && _cursorX > width) {