From 3d4c629ac293711074ac5a692b58db32f9c8bbc9 Mon Sep 17 00:00:00 2001
From: Nick White <git@njw.name>
Date: Sun, 16 Mar 2014 14:08:25 -0400
Subject: Improve image link parsing, and remove links completely for now

---
 tkread | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/tkread b/tkread
index 126156f..30639ce 100755
--- a/tkread
+++ b/tkread
@@ -123,13 +123,40 @@ proc markup {widget} {
 		if [file exists $localfile] {
 			set curimg [image create photo -file $localfile]
 			$widget image create $insertion -image $curimg
+			set cur $insertion
 		} else {
-			$widget insert [indexmovechar $insertion "- 2"] $alt
+			$widget insert $insertion $alt
+			set cur [indexmovechar $insertion "+ [string length $alt]"]
 		}
 
 		set cur [$widget search {![} $cur end]
 	}
 
+	# remove links
+	# TODO: save the link contents and allow the links to be shown / hidden with a keystroke
+	set cur [$widget search {[} 0.0 end]
+	while {$cur != ""} {
+		set altstart [indexmovechar $cur "+ 1"]
+		set cur [$widget search "](" $cur end]
+		if {$cur == ""} { break }
+		set altend $cur
+		set srcstart [indexmovechar $cur "+ 1"]
+		set cur [$widget search ")" $cur end]
+		if {$cur == ""} { break }
+		set srcend $cur
+
+		set alt [$widget get $altstart $altend]
+		set src [$widget get $srcstart $srcend]
+
+		$widget delete [indexmovechar $altstart "- 1"] [indexmovechar $srcend "+ 1"]
+		set insertion [indexmovechar $altstart "- 1"]
+		$widget insert $insertion $alt
+
+		set cur [indexmovechar $insertion "+ [string length $alt]"]
+		set cur [$widget search {[} $cur end]
+	}
+
+
 	# process underlined headings
 	foreach fmt $underlinefmt {
 		set searchchar [lindex $fmt 0]
-- 
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