From f334e2d0f4b087652c9076c634f3599dc70bb627 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Sun, 27 May 2018 13:48:30 +0300
Subject: [PATCH] Clear formatting at the start of the field.

---
 Telegram/SourceFiles/ui/widgets/input_fields.cpp | 9 +++++++++
 Telegram/SourceFiles/ui/widgets/input_fields.h   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/Telegram/SourceFiles/ui/widgets/input_fields.cpp b/Telegram/SourceFiles/ui/widgets/input_fields.cpp
index 7f36bc8f4..6b7717048 100644
--- a/Telegram/SourceFiles/ui/widgets/input_fields.cpp
+++ b/Telegram/SourceFiles/ui/widgets/input_fields.cpp
@@ -1122,6 +1122,7 @@ InputField::InputField(
 	connect(_inner->document(), SIGNAL(contentsChange(int,int,int)), this, SLOT(onDocumentContentsChange(int,int,int)));
 	connect(_inner, SIGNAL(undoAvailable(bool)), this, SLOT(onUndoAvailable(bool)));
 	connect(_inner, SIGNAL(redoAvailable(bool)), this, SLOT(onRedoAvailable(bool)));
+	connect(_inner, SIGNAL(cursorPositionChanged()), this, SLOT(onCursorPositionChanged()));
 	if (App::wnd()) connect(_inner, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
 
 	const auto bar = _inner->verticalScrollBar();
@@ -1979,6 +1980,14 @@ void InputField::onDocumentContentsChange(
 	}
 }
 
+void InputField::onCursorPositionChanged() {
+	auto cursor = textCursor();
+	if (!cursor.hasSelection() && !cursor.position()) {
+		cursor.setCharFormat(_defaultCharFormat);
+		setTextCursor(cursor);
+	}
+}
+
 void InputField::chopByMaxLength(int insertPosition, int insertLength) {
 	Expects(_correcting);
 
diff --git a/Telegram/SourceFiles/ui/widgets/input_fields.h b/Telegram/SourceFiles/ui/widgets/input_fields.h
index 4fedddc76..92bfbe1c6 100644
--- a/Telegram/SourceFiles/ui/widgets/input_fields.h
+++ b/Telegram/SourceFiles/ui/widgets/input_fields.h
@@ -289,6 +289,7 @@ private slots:
 	void onTouchTimer();
 
 	void onDocumentContentsChange(int position, int charsRemoved, int charsAdded);
+	void onCursorPositionChanged();
 
 	void onUndoAvailable(bool avail);
 	void onRedoAvailable(bool avail);