From b896046bff4ca15318ec70ee0a481a91c3d96359 Mon Sep 17 00:00:00 2001
From: Bryan Ashby <bryan@l33t.codes>
Date: Thu, 17 Aug 2017 21:31:57 -0600
Subject: [PATCH] Add 'auto' support for prepAnsi() rows/height

---
 core/message.js                   |  2 +-
 core/multi_line_edit_text_view.js |  2 +-
 core/string_util.js               | 16 +++++++++++++---
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/core/message.js b/core/message.js
index 5e48fa9d..207e748a 100644
--- a/core/message.js
+++ b/core/message.js
@@ -480,7 +480,7 @@ Message.prototype.getQuoteLines = function(options, cb) {
 				termWidth		: options.termWidth,
 				termHeight		: options.termHeight,
 				cols			: options.cols - quotePrefix.length,
-				rows			: 5000,	//	:TODO: Need 'auto'
+				rows			: 'auto',
 				startCol		: options.startCol,
 				forceLineTerm	: true,				
 			},
diff --git a/core/multi_line_edit_text_view.js b/core/multi_line_edit_text_view.js
index 4b8c8b69..469ac4c9 100644
--- a/core/multi_line_edit_text_view.js
+++ b/core/multi_line_edit_text_view.js
@@ -569,7 +569,7 @@ function MultiLineEditTextView(options) {
 				termWidth		: this.client.termWidth,
 				termHeight		: this.client.termHeight,
 				cols			: this.dimens.width,
-				height			: 5000,	//	 :TODO: 'auto' needed here!
+				rows			: 'auto',
 				startCol		: this.position.col,
 				forceLineTerm	: options.forceLineTerm,
 			},
diff --git a/core/string_util.js b/core/string_util.js
index 592b44cd..59a6eb74 100644
--- a/core/string_util.js
+++ b/core/string_util.js
@@ -384,11 +384,11 @@ function prepAnsi(input, options, cb) {
 	options.termHeight	= options.termHeight	|| 25;
 
 	options.cols	= options.cols || options.termWidth		|| 80;
-	options.rows	= options.rows || options.termHeight	|| 25;
+	options.rows	= options.rows || options.termHeight	|| 'auto';
 
 	options.startCol = options.startCol || 1;
 
-	const canvas = Array.from( { length : options.rows }, () => Array.from( { length : options.cols}, () => new Object() ) );
+	const canvas = Array.from( { length : 'auto' === options.rows ? 25 : options.rows }, () => Array.from( { length : options.cols}, () => new Object() ) );
 	const parser = new ANSIEscapeParser( { termHeight : options.termHeight, termWidth : options.termWidth } );
 
 	const state = {
@@ -398,6 +398,14 @@ function prepAnsi(input, options, cb) {
 
 	let lastRow = 0;
 
+	function ensureRow(row) {
+		if(Array.isArray(canvas[row])) {
+			return;
+		}
+		
+		canvas[row] = Array.from( { length : options.cols}, () => new Object() );
+	}
+
 	parser.on('position update', (row, col) => {
 		state.row	= row - 1;
 		state.col	= col - 1;
@@ -412,7 +420,9 @@ function prepAnsi(input, options, cb) {
 		literal = literal.replace(/\r?\n|[\r\u2028\u2029]/g, '');
 
 		for(let c of literal) {
-			if(state.col < options.cols && state.row < options.rows) {
+			if(state.col < options.cols && ('auto' === options.rows || state.row < options.rows)) {
+				ensureRow(state.row);
+
 				canvas[state.row][state.col].char = c;
 
 				if(state.sgr) {