From c754c4d686623757f09fe8184732dff495bea2a6 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sat, 8 May 2021 23:27:07 -0400
Subject: Ensure ellipsized lines have the right width

Otherwise, ellipsized text will 'vibrate', as the
size changes.

Fixes: #24
---
 pango/ellipsize.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pango/ellipsize.c b/pango/ellipsize.c
index 4eb98a1a..0d54483e 100644
--- a/pango/ellipsize.c
+++ b/pango/ellipsize.c
@@ -634,7 +634,8 @@ remove_one_span (EllipsizeState *state)
  * of the gap
  */
 static void
-fixup_ellipsis_run (EllipsizeState *state)
+fixup_ellipsis_run (EllipsizeState *state,
+                    int             extra_width)
 {
   PangoGlyphString *glyphs = state->ellipsis_run->glyphs;
   PangoItem *item = state->ellipsis_run->item;
@@ -650,6 +651,8 @@ fixup_ellipsis_run (EllipsizeState *state)
 
   glyphs->glyphs[0].attr.is_cluster_start = TRUE;
 
+  glyphs->glyphs[glyphs->num_glyphs - 1].geometry.width += extra_width;
+
   /* Fix up the item to point to the entire elided text */
   item->offset = state->gap_start_iter.run_iter.start_index;
   item->length = state->gap_end_iter.run_iter.end_index - item->offset;
@@ -765,7 +768,7 @@ _pango_layout_line_ellipsize (PangoLayoutLine *line,
 	break;
     }
 
-  fixup_ellipsis_run (&state);
+  fixup_ellipsis_run (&state, MAX (goal_width - current_width (&state), 0));
 
   g_slist_free (line->runs);
   line->runs = get_run_list (&state);
-- 
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