diff --git a/ui/widgets/fields/input_field.cpp b/ui/widgets/fields/input_field.cpp
index 99c87aa..728a892 100644
--- a/ui/widgets/fields/input_field.cpp
+++ b/ui/widgets/fields/input_field.cpp
@@ -51,7 +51,6 @@ constexpr auto kReplaceTagId = QTextFormat::UserProperty + 3;
 constexpr auto kTagProperty = QTextFormat::UserProperty + 4;
 constexpr auto kCustomEmojiText = QTextFormat::UserProperty + 5;
 constexpr auto kCustomEmojiLink = QTextFormat::UserProperty + 6;
-constexpr auto kCustomEmojiId = QTextFormat::UserProperty + 7;
 const auto kObjectReplacementCh = QChar(QChar::ObjectReplacementCharacter);
 const auto kObjectReplacement = QString::fromRawData(
 	&kObjectReplacementCh,
@@ -65,6 +64,7 @@ const auto &kTagPre = InputField::kTagPre;
 const auto &kTagBlockquote = InputField::kTagBlockquote;
 const auto &kTagSpoiler = InputField::kTagSpoiler;
 const auto &kCustomEmojiFormat = InputField::kCustomEmojiFormat;
+const auto &kCustomEmojiId = InputField::kCustomEmojiId;
 const auto kTagCheckLinkMeta = u"^:/:/:^"_q;
 const auto kNewlineChars = QString("\r\n")
 	+ QChar(0xfdd0) // QTextBeginningOfFrame
@@ -711,14 +711,6 @@ QTextImageFormat PrepareEmojiFormat(EmojiPtr emoji, const QFont &font) {
 	return result;
 }
 
-// Optimization: with null page size document does not re-layout
-// on each insertText / mergeCharFormat.
-void PrepareFormattingOptimization(not_null<QTextDocument*> document) {
-	if (!document->pageSize().isNull()) {
-		document->setPageSize(QSizeF(0, 0));
-	}
-}
-
 void RemoveDocumentTags(
 		const style::InputField &st,
 		not_null<QTextDocument*> document,
@@ -954,8 +946,8 @@ const QString InputField::kTagPre = u"```"_q;
 const QString InputField::kTagSpoiler = u"||"_q;
 const QString InputField::kTagBlockquote = u">"_q;
 const QString InputField::kCustomEmojiTagStart = u"custom-emoji://"_q;
-const int InputField::kCustomEmojiFormat
-	= QTextFormat::UserObject + 1;
+const int InputField::kCustomEmojiFormat = QTextFormat::UserObject + 1;
+const int InputField::kCustomEmojiId = QTextFormat::UserProperty + 7;
 
 class InputField::Inner final : public QTextEdit {
 public:
@@ -2353,6 +2345,12 @@ void InputField::processFormatting(int insertPosition, int insertEnd) {
 	}
 }
 
+void InputField::forceProcessContentsChanges() {
+	PostponeCall(this, [=] {
+		handleContentsChanged();
+	});
+}
+
 void InputField::documentContentsChanged(
 		int position,
 		int charsRemoved,
@@ -3982,4 +3980,12 @@ rpl::producer<Qt::KeyboardModifiers> InputField::submits() const {
 
 InputField::~InputField() = default;
 
+// Optimization: with null page size document does not re-layout
+// on each insertText / mergeCharFormat.
+void PrepareFormattingOptimization(not_null<QTextDocument*> document) {
+	if (!document->pageSize().isNull()) {
+		document->setPageSize(QSizeF(0, 0));
+	}
+}
+
 } // namespace Ui
diff --git a/ui/widgets/fields/input_field.h b/ui/widgets/fields/input_field.h
index afb4f6f..12f0361 100644
--- a/ui/widgets/fields/input_field.h
+++ b/ui/widgets/fields/input_field.h
@@ -14,6 +14,9 @@
 #include "ui/text/text_custom_emoji.h"
 
 #include <QtGui/QTextObjectInterface>
+#include <QtGui/qtextlayout.h>
+#include <QtGui/qtextdocument.h>
+#include <QtGui/qtextcursor.h>
 
 #include <rpl/variable.h>
 
@@ -136,7 +139,8 @@ public:
 	static const QString kTagSpoiler;
 	static const QString kTagBlockquote;
 	static const QString kCustomEmojiTagStart;
-	static const int kCustomEmojiFormat;
+	static const int kCustomEmojiFormat; // QTextFormat::ObjectTypes
+	static const int kCustomEmojiId; // QTextFormat::Property
 
 	InputField(
 		QWidget *parent,
@@ -323,6 +327,7 @@ public:
 	[[nodiscard]] rpl::producer<> cancelled() const;
 	[[nodiscard]] rpl::producer<> changes() const;
 	[[nodiscard]] rpl::producer<Qt::KeyboardModifiers> submits() const;
+	void forceProcessContentsChanges();
 
 	~InputField();
 
@@ -565,4 +570,6 @@ private:
 
 };
 
+void PrepareFormattingOptimization(not_null<QTextDocument*> document);
+
 } // namespace Ui