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-rw-r--r--0001-imwayland-Clamp-the-surrounding-string-end-correctly.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/0001-imwayland-Clamp-the-surrounding-string-end-correctly.patch b/0001-imwayland-Clamp-the-surrounding-string-end-correctly.patch
new file mode 100644
index 0000000..0ccb5c7
--- /dev/null
+++ b/0001-imwayland-Clamp-the-surrounding-string-end-correctly.patch
@@ -0,0 +1,34 @@
+From d7fb15c822eabe22ffda19892153d69b0f4fc2f3 Mon Sep 17 00:00:00 2001
+From: Carlos Garnacho <carlosg@gnome.org>
+Date: Fri, 3 Apr 2020 12:44:37 +0200
+Subject: [PATCH] imwayland: Clamp the surrounding string end correctly
+
+In the paths where len > MAX_LEN and cursor/anchor are separated by
+at least MAX_LEN from text edges, we were clamping the right end of
+the surrounding string at MAX_LEN. Oops.
+
+This end anchor may go as far as the string length, although just
+up to len - MAX_LEN in real terms (due to the condition above that
+caches cursor/anchor positions being near enough the text end).
+
+Closes: https://gitlab.gnome.org/GNOME/gtk/-/issues/2565
+---
+ modules/input/imwayland.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/modules/input/imwayland.c b/modules/input/imwayland.c
+index 8f697bec1b..12d18a0f64 100644
+--- a/modules/input/imwayland.c
++++ b/modules/input/imwayland.c
+@@ -322,7 +322,7 @@ notify_surrounding_text (GtkIMContextWayland *context)
+ mid = MIN (context->surrounding.cursor_idx,
+ context->surrounding.anchor_idx) + (cursor_len / 2);
+ a = MAX (0, mid - (MAX_LEN / 2));
+- b = MIN (MAX_LEN, mid + (MAX_LEN / 2));
++ b = MIN (len, mid + (MAX_LEN / 2));
+
+ start = &context->surrounding.text[a];
+ end = &context->surrounding.text[b];
+--
+2.25.2
+
bgstack15