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authorMatthias Clasen <mclasen@redhat.com>2021-08-28 13:52:25 -0400
committerMatthias Clasen <mclasen@redhat.com>2021-08-28 14:48:31 -0400
commitd7bdf800f283f42df2526b495bbead8b4a6bdc92 (patch)
treed35fd061acb1b93f69f7121a7e9d707dedf2be20 /utils/viewer-pangocairo.c
parentc5476151a3a2f05cadbd81b976fad1ac6ed52102 (diff)
downloadpango-d7bdf800f283f42df2526b495bbead8b4a6bdc92.tar.gz
pango-view: Fix caret visualization
I was confusing char and byte offsets here.
Diffstat (limited to 'utils/viewer-pangocairo.c')
-rw-r--r--utils/viewer-pangocairo.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/utils/viewer-pangocairo.c b/utils/viewer-pangocairo.c
index b010c3f3..c239b62a 100644
--- a/utils/viewer-pangocairo.c
+++ b/utils/viewer-pangocairo.c
@@ -536,10 +536,17 @@ render_callback (PangoLayout *layout,
const char *text = pango_layout_get_text (layout);
int length = g_utf8_strlen (text, -1);
- for (int i = 0; i <= length; i++)
+ const char *p;
+ int i;
+ for (i = 0, p = text; i <= length; i++, p = g_utf8_next_char (p))
{
PangoRectangle rect;
- pango_layout_get_caret_pos (layout, i, &rect, NULL);
+
+ if (!attrs[i].is_cursor_position)
+ continue;
+
+ pango_layout_get_caret_pos (layout, p - text, &rect, NULL);
+ g_print ("draw caret pos at %d\n", i);
cairo_move_to (cr,
(double)rect.x / PANGO_SCALE - lw / 2