Export settings layout ready.

Telegram/Resources/langs/lang.strings

@@ -1657,6 +1657,23 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_export_option_info" = "Personal info";
 "lng_export_option_contacts" = "Contacts list";
 "lng_export_option_sessions" = "Sessions list";
+"lng_export_header_chats" = "Chats export settings";
+"lng_export_option_personal_chats" = "Personal chats";
+"lng_export_option_bot_chats" = "Bot chats";
+"lng_export_option_private_groups" = "Private groups";
+"lng_export_option_private_channels" = "Private channels";
+"lng_export_option_public_groups" = "Public groups";
+"lng_export_option_public_channels" = "Public channels";
+"lng_export_option_only_my" = "Only my messages";
+"lng_export_header_media" = "Media export settings";
+"lng_export_option_photos" = "Photos";
+"lng_export_option_video_files" = "Video files";
+"lng_export_option_voice_messages" = "Voice messages";
+"lng_export_option_video_messages" = "Round video messages";
+"lng_export_option_stickers" = "Stickers";
+"lng_export_option_gifs" = "Animated GIFs";
+"lng_export_option_files" = "Files";
+"lng_export_option_size_limit" = "Size limit: {size}";
 "lng_export_start" = "Export";
 
 // Wnd specific

Telegram/SourceFiles/export/export_api_wrap.cpp

@@ -147,15 +147,8 @@ void ApiWrap::startExport(
 }
 
 void ApiWrap::startMainSession(FnMut<void()> done) {
-	auto sizeLimit = _settings->defaultMedia.sizeLimit;
-	auto hasFiles = _settings->defaultMedia.types != 0;
-	for (const auto &item : _settings->customMedia) {
-		sizeLimit = std::max(sizeLimit, item.second.sizeLimit);
-		hasFiles = hasFiles || (item.second.types != 0);
-	}
-	if (!sizeLimit) {
-		hasFiles = false;
-	}
+	const auto sizeLimit = _settings->media.sizeLimit;
+	const auto hasFiles = (_settings->media.types != 0) && (sizeLimit > 0);
 
 	using Type = Settings::Type;
 	using Flag = MTPaccount_InitTakeoutSession::Flag;

Telegram/SourceFiles/export/export_settings.h

@@ -19,9 +19,11 @@ struct MediaSettings {
 	enum class Type {
 		Photo        = 0x01,
 		Video        = 0x02,
-		Sticker = 0x04,
-		GIF     = 0x08,
-		File    = 0x10,
+		VoiceMessage = 0x04,
+		VideoMessage = 0x08,
+		Sticker      = 0x10,
+		GIF          = 0x20,
+		File         = 0x40,
 	};
 	using Types = base::flags<Type>;
 	friend inline constexpr auto is_flag_type(Type) { return true; };
@@ -57,8 +59,7 @@ struct Settings {
 
 	Types types = DefaultTypes();
 	Types fullChats = DefaultFullChats();
-	MediaSettings defaultMedia;
-	base::flat_map<Type, MediaSettings> customMedia;
+	MediaSettings media;
 
 	static inline Types DefaultTypes() {
 		return Type::PersonalInfo

Telegram/SourceFiles/export/view/export.style

@@ -12,3 +12,28 @@ using "boxes/boxes.style";
 
 exportPanelSize: size(364px, 480px);
 exportSettingPadding: margins(22px, 8px, 22px, 8px);
+exportSubSettingPadding: margins(56px, 4px, 22px, 12px);
+exportHeaderLabel: FlatLabel(boxTitle) {
+	style: TextStyle(defaultTextStyle) {
+		font: font(15px semibold);
+		linkFont: font(15px semibold);
+		linkFontOver: font(15px semibold underline);
+	}
+}
+exportHeaderPadding: margins(22px, 20px, 22px, 9px);
+exportFileSizeSlider: MediaSlider {
+	width: 3px;
+	activeFg: mediaPlayerActiveFg;
+	inactiveFg: mediaPlayerInactiveFg;
+	activeFgOver: mediaPlayerActiveFg;
+	inactiveFgOver: mediaPlayerInactiveFg;
+	activeFgDisabled: mediaPlayerInactiveFg;
+	inactiveFgDisabled: windowBg;
+	seekSize: size(15px, 15px);
+	duration: 150;
+}
+exportFileSizeLabel: LabelSimple(defaultLabelSimple) {
+	font: boxTextFont;
+}
+exportFileSizePadding: margins(22px, 8px, 22px, 8px);
+exportFileSizeLabelBottom: 18px;

Telegram/SourceFiles/export/view/export_view_settings.cpp

@@ -10,8 +10,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/buttons.h"
+#include "ui/widgets/labels.h"
+#include "ui/widgets/scroll_area.h"
+#include "ui/widgets/continuous_sliders.h"
 #include "ui/wrap/vertical_layout.h"
 #include "ui/wrap/padding_wrap.h"
+#include "ui/wrap/slide_wrap.h"
+#include "ui/wrap/fade_wrap.h"
 #include "platform/platform_specific.h"
 #include "styles/style_widgets.h"
 #include "styles/style_export.h"
@@ -19,6 +24,36 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace Export {
 namespace View {
+namespace {
+
+constexpr auto kSizeValueCount = 80;
+constexpr auto kMegabyte = 1024 * 1024;
+
+int SizeLimitByIndex(int index) {
+	Expects(index >= 0 && index <= kSizeValueCount);
+
+	const auto megabytes = [&] {
+		if (index <= 10) {
+			return index;
+		} else if (index <= 30) {
+			return 10 + (index - 10) * 2;
+		} else if (index <= 40) {
+			return 50 + (index - 30) * 5;
+		} else if (index <= 60) {
+			return 100 + (index - 40) * 10;
+		} else if (index <= 70) {
+			return 300 + (index - 60) * 20;
+		} else {
+			return 500 + (index - 70) * 100;
+		}
+	};
+	if (!index) {
+		return kMegabyte / 2;
+	}
+	return megabytes() * kMegabyte;
+}
+
+} // namespace
 
 SettingsWidget::SettingsWidget(QWidget *parent)
 : RpWidget(parent) {
@@ -35,7 +70,15 @@ SettingsWidget::SettingsWidget(QWidget *parent)
 }
 
 void SettingsWidget::setupContent() {
-	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+	using namespace rpl::mappers;
+
+	const auto scroll = Ui::CreateChild<Ui::ScrollArea>(
+		this,
+		st::boxLayerScroll);
+	const auto wrap = scroll->setOwnedWidget(object_ptr<Ui::IgnoreMargins>(
+		scroll,
+		object_ptr<Ui::VerticalLayout>(scroll)));
+	const auto content = static_cast<Ui::VerticalLayout*>(wrap->entity());
 
 	const auto buttonsPadding = st::boxButtonPadding;
 	const auto buttonsHeight = buttonsPadding.top()
@@ -44,9 +87,32 @@ void SettingsWidget::setupContent() {
 	const auto buttons = Ui::CreateChild<Ui::FixedHeightWidget>(
 		this,
 		buttonsHeight);
+	const auto topShadow = Ui::CreateChild<Ui::FadeShadow>(this);
+	const auto bottomShadow = Ui::CreateChild<Ui::FadeShadow>(this);
+	topShadow->toggleOn(scroll->scrollTopValue(
+	) | rpl::map(_1 > 0));
+	bottomShadow->toggleOn(rpl::combine(
+		scroll->heightValue(),
+		scroll->scrollTopValue(),
+		wrap->heightValue(),
+		_2
+	) | rpl::map([=](int top) {
+		return top < scroll->scrollTopMax();
+	}));
 	const auto refreshButtonsCallback = [=] {
 		refreshButtons(buttons);
 	};
+	const auto addHeader = [&](
+			not_null<Ui::VerticalLayout*> container,
+			LangKey key) {
+		container->add(
+			object_ptr<Ui::FlatLabel>(
+				container,
+				lang(key),
+				Ui::FlatLabel::InitType::Simple,
+				st::exportHeaderLabel),
+			st::exportHeaderPadding);
+	};
 
 	const auto addOption = [&](LangKey key, Types types) {
 		const auto checkbox = content->add(
@@ -64,22 +130,171 @@ void SettingsWidget::setupContent() {
 			} else {
 				_data.types &= ~types;
 			}
+			_dataTypesChanges.fire_copy(_data.types);
 			refreshButtonsCallback();
 		}, lifetime());
+		return checkbox;
+	};
+	const auto addBigOption = [&](LangKey key, Types types) {
+		const auto checkbox = addOption(key, types);
+		const auto onlyMy = content->add(
+			object_ptr<Ui::SlideWrap<Ui::Checkbox>>(
+				content,
+				object_ptr<Ui::Checkbox>(
+					content,
+					lang(lng_export_option_only_my),
+					((_data.fullChats & types) != types),
+					st::defaultBoxCheckbox),
+				st::exportSubSettingPadding));
+
+		base::ObservableViewer(
+			onlyMy->entity()->checkedChanged
+		) | rpl::start_with_next([=](bool checked) {
+			if (checked) {
+				_data.fullChats &= ~types;
+			} else {
+				_data.fullChats |= types;
+			}
+		}, checkbox->lifetime());
+
+		onlyMy->toggleOn(base::ObservableViewer(
+			checkbox->checkedChanged
+		));
+
+		onlyMy->toggle(checkbox->checked(), anim::type::instant);
+
+		if (types & (Type::PublicGroups | Type::PublicChannels)) {
+			onlyMy->entity()->setChecked(true);
+			onlyMy->entity()->setDisabled(true);
+		}
 	};
 	addOption(lng_export_option_info, Type::PersonalInfo | Type::Userpics);
 	addOption(lng_export_option_contacts, Type::Contacts);
 	addOption(lng_export_option_sessions, Type::Sessions);
+	addHeader(content, lng_export_header_chats);
+	addOption(lng_export_option_personal_chats, Type::PersonalChats);
+	addOption(lng_export_option_bot_chats, Type::BotChats);
+	addBigOption(lng_export_option_private_groups, Type::PrivateGroups);
+	addBigOption(lng_export_option_private_channels, Type::PrivateChannels);
+	addBigOption(lng_export_option_public_groups, Type::PublicGroups);
+	addBigOption(lng_export_option_public_channels, Type::PublicChannels);
+	const auto mediaWrap = content->add(
+		object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
+			content,
+			object_ptr<Ui::VerticalLayout>(content)));
+	const auto media = mediaWrap->entity();
+	const auto addSubOption = [&](LangKey key, MediaType type) {
+		const auto checkbox = media->add(
+			object_ptr<Ui::Checkbox>(
+				media,
+				lang(key),
+				((_data.media.types & type) == type),
+				st::defaultBoxCheckbox),
+			st::exportSettingPadding);
+		base::ObservableViewer(
+			checkbox->checkedChanged
+		) | rpl::start_with_next([=](bool checked) {
+			if (checked) {
+				_data.media.types |= type;
+			} else {
+				_data.media.types &= ~type;
+			}
 			refreshButtonsCallback();
+		}, lifetime());
+	};
+	addHeader(media, lng_export_header_media);
+	addSubOption(lng_export_option_photos, MediaType::Photo);
+	addSubOption(lng_export_option_video_files, MediaType::Video);
+	addSubOption(lng_export_option_voice_messages, MediaType::VoiceMessage);
+	addSubOption(lng_export_option_video_messages, MediaType::VideoMessage);
+	addSubOption(lng_export_option_stickers, MediaType::Sticker);
+	addSubOption(lng_export_option_gifs, MediaType::GIF);
+	addSubOption(lng_export_option_files, MediaType::File);
+	createSizeSlider(media);
+
+	_dataTypesChanges.events_starting_with_copy(
+		_data.types
+	) | rpl::start_with_next([=](Settings::Types types) {
+		mediaWrap->toggle((types & (Type::PersonalChats
+			| Type::BotChats
+			| Type::PrivateGroups
+			| Type::PrivateChannels
+			| Type::PublicGroups
+			| Type::PublicChannels)) != 0, anim::type::normal);
+	}, mediaWrap->lifetime());
+
+	refreshButtonsCallback();
+
+	topShadow->raise();
+	bottomShadow->raise();
 
 	sizeValue(
 	) | rpl::start_with_next([=](QSize size) {
+		scroll->resize(size.width(), size.height() - buttons->height());
+		wrap->resizeToWidth(size.width());
 		content->resizeToWidth(size.width());
 		buttons->resizeToWidth(size.width());
+		topShadow->resizeToWidth(size.width());
+		mediaWrap->resizeToWidth(size.width());
+		topShadow->moveToLeft(0, 0);
+		bottomShadow->resizeToWidth(size.width());
+		bottomShadow->moveToLeft(0, scroll->height() - st::lineWidth);
 		buttons->moveToLeft(0, size.height() - buttons->height());
 	}, lifetime());
 }
 
+void SettingsWidget::createSizeSlider(
+		not_null<Ui::VerticalLayout*> container) {
+	using namespace rpl::mappers;
+
+	const auto slider = container->add(
+		object_ptr<Ui::MediaSlider>(container, st::exportFileSizeSlider),
+		st::exportFileSizePadding);
+	slider->resize(st::exportFileSizeSlider.seekSize);
+	slider->setAlwaysDisplayMarker(true);
+	slider->setMoveByWheel(true);
+	slider->setDirection(Ui::ContinuousSlider::Direction::Horizontal);
+	for (auto i = 0; i != kSizeValueCount + 1; ++i) {
+		if (_data.media.sizeLimit <= SizeLimitByIndex(i)) {
+			slider->setValue(i / float64(kSizeValueCount));
+			break;
+		}
+	}
+
+	const auto label = Ui::CreateChild<Ui::LabelSimple>(
+		container.get(),
+		st::exportFileSizeLabel);
+	const auto refreshSizeLimit = [=] {
+		const auto limit = _data.media.sizeLimit / kMegabyte;
+		const auto size = ((limit > 0)
+			? QString::number(limit)
+			: QString::number(float64(_data.media.sizeLimit) / kMegabyte))
+			+ " MB";
+		const auto text = lng_export_option_size_limit(lt_size, size);
+		label->setText(text);
+	};
+	slider->setAdjustCallback([=](float64 value) {
+		return std::round(value * kSizeValueCount) / kSizeValueCount;
+	});
+	slider->setChangeProgressCallback([=](float64 value) {
+		const auto index = int(std::round(value * kSizeValueCount));
+		_data.media.sizeLimit = SizeLimitByIndex(index);
+		refreshSizeLimit();
+	});
+	refreshSizeLimit();
+
+	rpl::combine(
+		label->widthValue(),
+		slider->geometryValue(),
+		_2
+	) | rpl::start_with_next([=](QRect geometry) {
+		label->moveToRight(
+			st::exportFileSizePadding.right(),
+			geometry.y() - label->height() - st::exportFileSizeLabelBottom);
+	}, label->lifetime());
+
+}
+
 void SettingsWidget::refreshButtons(not_null<Ui::RpWidget*> container) {
 	container->hideChildren();
 	const auto children = container->children();

Telegram/SourceFiles/export/view/export_view_settings.h

@@ -10,6 +10,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "export/export_settings.h"
 #include "ui/rp_widget.h"
 
+namespace Ui {
+class VerticalLayout;
+} // namespace Ui
+
 namespace Export {
 namespace View {
 
@@ -28,6 +32,7 @@ private:
 
 	void setupContent();
 	void refreshButtons(not_null<Ui::RpWidget*> container);
+	void createSizeSlider(not_null<Ui::VerticalLayout*> container);
 
 	Settings _data;
 	struct Wrap {
@@ -40,6 +45,7 @@ private:
 	};
 	rpl::variable<Wrap> _startClicks;
 	rpl::variable<Wrap> _cancelClicks;
+	rpl::event_stream<Settings::Types> _dataTypesChanges;
 
 };
 

Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp

@@ -14,7 +14,7 @@ constexpr auto kByWheelFinishedTimeout = 1000;
 
 } // namespace
 
-ContinuousSlider::ContinuousSlider(QWidget *parent) : TWidget(parent) {
+ContinuousSlider::ContinuousSlider(QWidget *parent) : RpWidget(parent) {
 	setCursor(style::cur_pointer);
 }
 
@@ -58,11 +58,12 @@ void ContinuousSlider::mouseMoveEvent(QMouseEvent *e) {
 }
 
 float64 ContinuousSlider::computeValue(const QPoint &pos) const {
-	auto seekRect = myrtlrect(getSeekRect());
-	auto result = isHorizontal() ?
+	const auto seekRect = myrtlrect(getSeekRect());
+	const auto result = isHorizontal() ?
 		(pos.x() - seekRect.x()) / float64(seekRect.width()) :
 		(1. - (pos.y() - seekRect.y()) / float64(seekRect.height()));
-	return snap(result, 0., 1.);
+	const auto snapped = snap(result, 0., 1.);
+	return _adjustCallback ? _adjustCallback(snapped) : snapped;
 }
 
 void ContinuousSlider::mousePressEvent(QMouseEvent *e) {

Telegram/SourceFiles/ui/widgets/continuous_sliders.h

@@ -8,10 +8,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "styles/style_widgets.h"
+#include "ui/rp_widget.h"
 
 namespace Ui {
 
-class ContinuousSlider : public TWidget {
+class ContinuousSlider : public RpWidget {
 public:
 	ContinuousSlider(QWidget *parent);
 
@@ -32,11 +33,13 @@ public:
 		return _disabled;
 	}
 
-	using Callback = Fn<void(float64)>;
-	void setChangeProgressCallback(Callback &&callback) {
+	void setAdjustCallback(Fn<float64(float64)> callback) {
+		_adjustCallback = std::move(callback);
+	}
+	void setChangeProgressCallback(Fn<void(float64)> callback) {
 		_changeProgressCallback = std::move(callback);
 	}
-	void setChangeFinishedCallback(Callback &&callback) {
+	void setChangeFinishedCallback(Fn<void(float64)> callback) {
 		_changeFinishedCallback = std::move(callback);
 	}
 	bool isChanging() const {
@@ -86,8 +89,9 @@ private:
 
 	std::unique_ptr<SingleTimer> _byWheelFinished;
 
-	Callback _changeProgressCallback;
-	Callback _changeFinishedCallback;
+	Fn<float64(float64)> _adjustCallback;
+	Fn<void(float64)> _changeProgressCallback;
+	Fn<void(float64)> _changeFinishedCallback;
 
 	bool _over = false;
 	Animation _a_over;

Telegram/SourceFiles/ui/widgets/labels.cpp

@@ -86,7 +86,11 @@ void CrossFadeAnimation::paintLine(Painter &p, const Line &line, float64 positio
 	}
 }
 
-LabelSimple::LabelSimple(QWidget *parent, const style::LabelSimple &st, const QString &value) : TWidget(parent)
+LabelSimple::LabelSimple(
+	QWidget *parent,
+	const style::LabelSimple &st,
+	const QString &value)
+: RpWidget(parent)
 , _st(st) {
 	setText(value);
 }

Telegram/SourceFiles/ui/widgets/labels.h

@@ -47,9 +47,12 @@ private:
 
 };
 
-class LabelSimple : public TWidget {
+class LabelSimple : public RpWidget {
 public:
-	LabelSimple(QWidget *parent, const style::LabelSimple &st = st::defaultLabelSimple, const QString &value = QString());
+	LabelSimple(
+		QWidget *parent,
+		const style::LabelSimple &st = st::defaultLabelSimple,
+		const QString &value = QString());
 
 	// This method also resizes the label.
 	void setText(const QString &newText, bool *outTextChanged = nullptr);