Most of the new Settings are done.

Left: auto update, privacy and security, local storage box +
some minor things, like design fixes, codes like loadlang and
clearing of the local storage (box) and temp download folder.

Telegram/SourceFiles/window/chat_background.cpp

@@ -0,0 +1,90 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop version of Telegram messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+In addition, as a special exception, the copyright holders give permission
+to link the code of portions of this program with the OpenSSL library.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#include "stdafx.h"
+#include "window/chat_background.h"
+
+#include "mainwidget.h"
+#include "localstorage.h"
+
+namespace Window {
+namespace {
+
+NeverFreedPointer<ChatBackground> instance;
+
+} // namespace
+
+bool ChatBackground::empty() const {
+	return _image.isNull();
+}
+
+void ChatBackground::initIfEmpty() {
+	if (empty()) {
+		App::initBackground();
+	}
+}
+
+void ChatBackground::init(int32 id, QPixmap &&image, QPixmap &&dog) {
+	_id = id;
+	_image = std_::move(image);
+	_dog = std_::move(dog);
+
+	notify(ChatBackgroundUpdate(ChatBackgroundUpdate::Type::New, _tile));
+}
+
+void ChatBackground::reset() {
+	_id = 0;
+	_image = QPixmap();
+	_dog = QPixmap();
+	_tile = false;
+
+	notify(ChatBackgroundUpdate(ChatBackgroundUpdate::Type::New, _tile));
+}
+
+int32 ChatBackground::id() const {
+	return _id;
+}
+
+const QPixmap &ChatBackground::image() const {
+	return _image;
+}
+
+const QPixmap &ChatBackground::dog() const {
+	return _dog;
+}
+
+bool ChatBackground::tile() const {
+	return _tile;
+}
+
+void ChatBackground::setTile(bool tile) {
+	if (_tile != tile) {
+		_tile = tile;
+		Local::writeUserSettings();
+		notify(ChatBackgroundUpdate(ChatBackgroundUpdate::Type::Changed, _tile));
+	}
+}
+
+ChatBackground *chatBackground() {
+	instance.makeIfNull();
+	return instance.data();
+}
+
+} // namespace Window

Telegram/SourceFiles/window/chat_background.h

@@ -0,0 +1,61 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop version of Telegram messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+In addition, as a special exception, the copyright holders give permission
+to link the code of portions of this program with the OpenSSL library.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#pragma once
+
+namespace Window {
+
+struct ChatBackgroundUpdate {
+	enum class Type {
+		New,
+		Changed,
+		Start,
+	};
+
+	ChatBackgroundUpdate(Type type, bool tiled) : type(type), tiled(tiled) {
+	}
+	Type type;
+	bool tiled;
+};
+
+class ChatBackground : public base::Observable<ChatBackgroundUpdate> {
+public:
+	bool empty() const;
+	void initIfEmpty();
+	void init(int32 id, QPixmap &&image, QPixmap &&dog);
+	void reset();
+
+	int32 id() const;
+	const QPixmap &image() const;
+	const QPixmap &dog() const;
+	bool tile() const;
+	void setTile(bool tile);
+
+private:
+	int32 _id = 0;
+	QPixmap _image;
+	QPixmap _dog;
+	bool _tile = false;
+
+};
+
+ChatBackground *chatBackground();
+
+} // namespace Window

Telegram/SourceFiles/window/section_widget.h

@@ -32,7 +32,7 @@ struct SectionSlideParams {
 	bool withTopBarShadow = false;
 };
 
-class SectionWidget : public TWidget {
+class SectionWidget : public TWidget, protected base::Subscriber {
 	Q_OBJECT
 
 public:
@@ -71,9 +71,6 @@ public:
 		setFocus();
 	}
 
-	virtual void updateAdaptiveLayout() {
-	}
-
 protected:
 	void paintEvent(QPaintEvent *e) override;
 

Telegram/SourceFiles/window/top_bar_widget.cpp

@@ -50,6 +50,8 @@ TopBarWidget::TopBarWidget(MainWidget *w) : TWidget(w)
 	connect(_info, SIGNAL(clicked()), this, SLOT(onInfoClicked()));
 	connect(_search, SIGNAL(clicked()), this, SLOT(onSearch()));
 
+	subscribe(Adaptive::Changed(), [this]() { updateAdaptiveLayout(); });
+
 	setCursor(style::cur_pointer);
 	showAll();
 }

Telegram/SourceFiles/window/top_bar_widget.h

@@ -30,7 +30,7 @@ class IconedButton;
 
 namespace Window {
 
-class TopBarWidget : public TWidget {
+class TopBarWidget : public TWidget, private base::Subscriber {
 	Q_OBJECT
 
 public:
@@ -51,8 +51,6 @@ public:
 	void showAll();
 	void showSelected(uint32 selCount, bool canDelete = false);
 
-	void updateAdaptiveLayout();
-
 	void updateMembersShowArea();
 
 	Ui::RoundButton *mediaTypeButton();
@@ -71,6 +69,8 @@ signals:
 	void clicked();
 
 private:
+	void updateAdaptiveLayout();
+
 	MainWidget *main();
 	anim::fvalue a_over = { 0. };
 	Animation _a_appearance;