From 11bf1f990329764568f706835d237a9ad4c9f25d Mon Sep 17 00:00:00 2001
From: Jaakko Keränen <jaakko.keranen@iki.fi>
Date: Sat, 4 Sep 2021 07:21:29 +0300
Subject: Text: Fixed hang when wrapping a long word

The simple text renderer would get stuck in an infinite loop when encountering a word that wouldn't fit on a line.

IssueID #330
---
 src/ui/text_simple.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'src/ui')

diff --git a/src/ui/text_simple.c b/src/ui/text_simple.c
index 3afc631a..e88b09a8 100644
--- a/src/ui/text_simple.c
+++ b/src/ui/text_simple.c
@@ -169,6 +169,7 @@ static iRect runSimple_Font_(iFont *d, const iRunArgs *args) {
                 if (!notify_WrapText_(wrap, chPos, 0, iMax(xpos, xposExtend) - orig.x, iFalse)) {
                     break;
                 }
+                lastWordEnd = NULL;
                 xpos = xposExtend = orig.x;
                 ypos += d->height;
                 prevCh = ch;
@@ -240,21 +241,19 @@ static iRect runSimple_Font_(iFont *d, const iRunArgs *args) {
             iAssert(wrap);
             const char *wrapPos = currentPos;
             int advance = x1 - orig.x;
-            if (lastWordEnd != args->text.start && wrap->mode == word_WrapTextMode) {
-                wrapPos = skipSpace_CStr(lastWordEnd);
+            if (lastWordEnd && wrap->mode == word_WrapTextMode) {
+                wrapPos = skipSpace_CStr(lastWordEnd); /* go back */
                 wrapPos = iMin(wrapPos, args->text.end);
                 advance = wrapAdvance;
             }
-//            if (args->continueFrom_out) {
-//                *args->continueFrom_out = wrapPos;
-//            }
             if (!notify_WrapText_(wrap, wrapPos, 0, advance, iFalse)) {
                 break;
             }
+            lastWordEnd = NULL;
             xpos = xposExtend = orig.x;
             ypos += d->height;
             prevCh = 0;
-            chPos = wrapPos; /* go back */
+            chPos = wrapPos;
             continue;
         }
         const int yLineMax = ypos + d->height;
-- 
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