From 183408cb2d8a6df5a2ec731440c5aab8b3559f6e Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 22 Feb 2021 11:14:23 +0300
Subject: [PATCH] Added button highlighting for flipped image to photo editor.

---
 Telegram/SourceFiles/editor/photo_editor.cpp         |  5 ++++-
 .../SourceFiles/editor/photo_editor_controls.cpp     | 12 +++++++++++-
 Telegram/SourceFiles/editor/photo_editor_controls.h  |  3 +++
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/editor/photo_editor.cpp b/Telegram/SourceFiles/editor/photo_editor.cpp
index cd2ad4136..f7210ce96 100644
--- a/Telegram/SourceFiles/editor/photo_editor.cpp
+++ b/Telegram/SourceFiles/editor/photo_editor.cpp
@@ -57,7 +57,10 @@ PhotoEditor::PhotoEditor(
 	_modifications,
 	_undoController,
 	std::move(data)))
-, _controls(base::make_unique_q<PhotoEditorControls>(this, _undoController))
+, _controls(base::make_unique_q<PhotoEditorControls>(
+	this,
+	_undoController,
+	_modifications))
 , _colorPicker(std::make_unique<ColorPicker>(
 	this,
 	Deserialize(Core::App().settings().photoEditorBrush()))) {
diff --git a/Telegram/SourceFiles/editor/photo_editor_controls.cpp b/Telegram/SourceFiles/editor/photo_editor_controls.cpp
index 97dec1285..6f377aa94 100644
--- a/Telegram/SourceFiles/editor/photo_editor_controls.cpp
+++ b/Telegram/SourceFiles/editor/photo_editor_controls.cpp
@@ -135,6 +135,7 @@ void HorizontalContainer::updateChildrenPosition() {
 PhotoEditorControls::PhotoEditorControls(
 	not_null<Ui::RpWidget*> parent,
 	std::shared_ptr<UndoController> undoController,
+	const PhotoModifications modifications,
 	bool doneControls)
 : RpWidget(parent)
 , _bg(st::mediaviewSaveMsgBg)
@@ -173,7 +174,8 @@ PhotoEditorControls::PhotoEditorControls(
 	false,
 	_bg,
 	st::lightButtonFg,
-	st::photoEditorRotateButton.ripple)) {
+	st::photoEditorRotateButton.ripple))
+, _flipped(modifications.flipped) {
 
 	_transformButtons->updateChildrenPosition();
 	_paintButtons->updateChildrenPosition();
@@ -241,6 +243,14 @@ PhotoEditorControls::PhotoEditorControls(
 			: &st::photoEditorRedoButtonInactive);
 	}, lifetime());
 
+	_flipButton->clicks(
+	) | rpl::start_with_next([=] {
+		_flipped = !_flipped;
+		_flipButton->setIconOverride(_flipped
+			? &st::photoEditorFlipButton.iconOver
+			: nullptr);
+	}, _flipButton->lifetime());
+
 }
 
 rpl::producer<int> PhotoEditorControls::rotateRequests() const {
diff --git a/Telegram/SourceFiles/editor/photo_editor_controls.h b/Telegram/SourceFiles/editor/photo_editor_controls.h
index c089cd162..903028419 100644
--- a/Telegram/SourceFiles/editor/photo_editor_controls.h
+++ b/Telegram/SourceFiles/editor/photo_editor_controls.h
@@ -26,6 +26,7 @@ public:
 	PhotoEditorControls(
 		not_null<Ui::RpWidget*> parent,
 		std::shared_ptr<UndoController> undoController,
+		const PhotoModifications modifications,
 		bool doneControls = true);
 
 	[[nodiscard]] rpl::producer<int> rotateRequests() const;
@@ -53,6 +54,8 @@ private:
 	const base::unique_qptr<EdgeButton> _cancel;
 	const base::unique_qptr<EdgeButton> _done;
 
+	bool _flipped;
+
 	rpl::variable<PhotoEditorMode> _mode;
 
 };