From 92425c7a1ed3bd7aabd7568a618b259f0e8d34b0 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Fri, 3 Sep 2021 20:09:47 +0300
Subject: [PATCH] Fixed space of action animation in middle text for different
 scales.

---
 .../history/view/history_view_send_action.cpp      | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/Telegram/SourceFiles/history/view/history_view_send_action.cpp b/Telegram/SourceFiles/history/view/history_view_send_action.cpp
index 6ad1fcc28..e8c0015ed 100644
--- a/Telegram/SourceFiles/history/view/history_view_send_action.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_send_action.cpp
@@ -296,15 +296,17 @@ bool SendActionPainter::updateNeedsAnimating(crl::time now, bool force) {
 						const auto index = newTypingString.size()
 							- lang.rightIndexChoosingStickerReplacement(
 								isNamed);
-						animationLeft = _st.font->width(
-							newTypingString,
-							0,
-							index);
+						animationLeft = Ui::Text::String(
+							_st,
+							newTypingString.mid(0, index)).maxWidth();
 
 						if (!_spacesCount) {
-							_spacesCount = std::ceil(
+							// We have to use QFontMetricsF instead of
+							// FontData::spacew for more precise calculation.
+							const auto mf = QFontMetricsF(_st.font->f);
+							_spacesCount = std::round(
 								_sendActionAnimation.width()
-									/ _st.font->spacew);
+									/ mf.horizontalAdvance(' '));
 						}
 						newTypingString = newTypingString.replace(
 							index,