From: Ignazio Pillai <ignazp@amazon.com>
Date: Thu, 22 Dec 2022 11:55:30 +0000 (+0100)
Subject: clipboard: improve EOL conversion of plain text
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~9^2~6^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=8ecb62493477c7722d8d2bebc39ccb3bcd4d480f;p=gtk4.git

clipboard: improve EOL conversion of plain text

Handle the case of clipboard text with CR line endings
---

diff --git a/gdk/win32/gdkclipdrop-win32.c b/gdk/win32/gdkclipdrop-win32.c
index 57ade2180d..aeadad56c8 100644
--- a/gdk/win32/gdkclipdrop-win32.c
+++ b/gdk/win32/gdkclipdrop-win32.c
@@ -2081,23 +2081,30 @@ transmute_cf_unicodetext_to_utf8_string (const guchar    *data,
                                          gsize           *set_data_length,
                                          GDestroyNotify  *set_data_destroy)
 {
-  wchar_t *ptr, *p, *q;
+  wchar_t *ptr, *p, *q, *endp;
   char *result;
   glong wclen, u8_len;
 
-  /* Strip out \r */
+  /* Replace CR and CR+LF with LF */
   ptr = (wchar_t *) data;
   p = ptr;
   q = ptr;
+  endp = ptr + length / 2;
   wclen = 0;
 
-  while (p < ptr + length / 2)
+  while (p < endp)
     {
       if (*p != L'\r')
         {
           *q++ = *p;
           wclen++;
         }
+      else if (p + 1 >= endp || *(p + 1) != L'\n')
+        {
+          *q++ = L'\n';
+          wclen++;
+        }
+
       p++;
     }
 
@@ -2282,7 +2289,7 @@ transmute_cf_text_to_utf8_string (const guchar    *data,
                                   gsize           *set_data_length,
                                   GDestroyNotify  *set_data_destroy)
 {
-  char *ptr, *p, *q;
+  char *ptr, *p, *q, *endp;
   char *result;
   glong wclen, u8_len;
   wchar_t *wstr;
@@ -2291,15 +2298,22 @@ transmute_cf_text_to_utf8_string (const guchar    *data,
   ptr = (char *) data;
   p = ptr;
   q = ptr;
+  endp = ptr + length / 2;
   wclen = 0;
 
-  while (p < ptr + length / 2)
+  while (p < endp)
     {
       if (*p != '\r')
         {
           *q++ = *p;
           wclen++;
         }
+      else if (p + 1 > endp || *(p + 1) != '\n')
+        {
+          *q++ = '\n';
+          wclen++;
+        }
+
       p++;
     }