Simplify working with Ui::Show and toasts.

CMakeLists.txt

@@ -97,6 +97,7 @@ PRIVATE
     ui/layers/layer_manager.h
     ui/layers/layer_widget.cpp
     ui/layers/layer_widget.h
+    ui/layers/show.cpp
     ui/layers/show.h
     ui/paint/arcs.cpp
     ui/paint/arcs.h
@@ -180,8 +181,6 @@ PRIVATE
     ui/toast/toast_manager.h
     ui/toast/toast_widget.cpp
     ui/toast/toast_widget.h
-    ui/toasts/common_toasts.cpp
-    ui/toasts/common_toasts.h
     ui/widgets/box_content_divider.cpp
     ui/widgets/box_content_divider.h
     ui/widgets/buttons.cpp

ui/layers/box_content.cpp

@@ -19,6 +19,98 @@
 #include "styles/palette.h"
 
 namespace Ui {
+namespace {
+
+class BoxShow final : public Show {
+public:
+	explicit BoxShow(not_null<Ui::BoxContent*> box);
+	BoxShow(const BoxShow &other);
+	~BoxShow();
+	void showBox(
+		object_ptr<BoxContent> content,
+		LayerOptions options = LayerOption::KeepOther) const override;
+	void hideLayer() const override;
+	[[nodiscard]] not_null<QWidget*> toastParent() const override;
+	[[nodiscard]] bool valid() const override;
+	operator bool() const override;
+
+private:
+	BoxShow(QPointer<BoxContent> weak, ShowPtr wrapped);
+
+	bool resolve() const;
+
+	const QPointer<Ui::BoxContent> _weak;
+	mutable std::shared_ptr<Show> _wrapped;
+	rpl::lifetime _lifetime;
+
+};
+
+BoxShow::BoxShow(not_null<BoxContent*> box)
+: BoxShow(MakeWeak(box.get()), nullptr) {
+}
+
+BoxShow::BoxShow(const BoxShow &other)
+: BoxShow(other._weak, other._wrapped) {
+}
+
+BoxShow::BoxShow(QPointer<BoxContent> weak, ShowPtr wrapped)
+: _weak(weak)
+, _wrapped(std::move(wrapped)) {
+	if (!resolve()) {
+		if (const auto box = _weak.data()) {
+			box->boxClosing(
+			) | rpl::start_with_next([=] {
+				resolve();
+				_lifetime.destroy();
+			}, _lifetime);
+		}
+	}
+}
+
+BoxShow::~BoxShow() = default;
+
+bool BoxShow::resolve() const {
+	if (_wrapped) {
+		return true;
+	} else if (const auto strong = _weak.data()) {
+		if (strong->hasDelegate()) {
+			_wrapped = strong->getDelegate()->showFactory()();
+			return true;
+		}
+	}
+	return false;
+}
+
+void BoxShow::showBox(
+		object_ptr<BoxContent> content,
+		LayerOptions options) const {
+	if (resolve()) {
+		_wrapped->showBox(std::move(content), options);
+	}
+}
+
+void BoxShow::hideLayer() const {
+	if (resolve()) {
+		_wrapped->hideLayer();
+	}
+}
+
+not_null<QWidget*> BoxShow::toastParent() const {
+	if (resolve()) {
+		return _wrapped->toastParent();
+	}
+	Unexpected("Stale BoxShow::toastParent call.");
+}
+
+bool BoxShow::valid() const {
+	return resolve() && _wrapped->valid();
+}
+
+BoxShow::operator bool() const {
+	return valid();
+}
+
+} // namespace
 
 void BoxContent::setTitle(rpl::producer<QString> title) {
 	getDelegate()->setTitle(std::move(title) | Text::ToWithEntities());
@@ -197,6 +289,27 @@ int BoxContent::scrollHeight() const {
 	return _scroll ? _scroll->height() : 0;
 }
 
+base::weak_ptr<Toast::Instance> BoxContent::showToast(
+		Toast::Config &&config) {
+	return BoxShow(this).showToast(std::move(config));
+}
+
+base::weak_ptr<Toast::Instance> BoxContent::showToast(
+		TextWithEntities &&text,
+		crl::time duration) {
+	return BoxShow(this).showToast(std::move(text), duration);
+}
+
+base::weak_ptr<Toast::Instance> BoxContent::showToast(
+		const QString &text,
+		crl::time duration) {
+	return BoxShow(this).showToast(text, duration);
+}
+
+std::shared_ptr<Show> BoxContent::uiShow() {
+	return std::make_shared<BoxShow>(this);
+}
+
 void BoxContent::scrollByDraggingDelta(int delta) {
 	_draggingScroll.checkDeltaScroll(_scroll ? delta : 0);
 }
@@ -335,69 +448,4 @@ void BoxContent::paintEvent(QPaintEvent *e) {
 	}
 }
 
-BoxShow::BoxShow(not_null<BoxContent*> box)
-: BoxShow(MakeWeak(box.get()), nullptr) {
-}
-
-BoxShow::BoxShow(const BoxShow &other)
-: BoxShow(other._weak, other._wrapped) {
-}
-
-BoxShow::BoxShow(QPointer<BoxContent> weak, ShowPtr wrapped)
-: _weak(weak)
-, _wrapped(std::move(wrapped)) {
-	if (!resolve()) {
-		if (const auto box = _weak.data()) {
-			box->boxClosing(
-			) | rpl::start_with_next([=] {
-				resolve();
-				_lifetime.destroy();
-			}, _lifetime);
-		}
-	}
-}
-
-BoxShow::~BoxShow() = default;
-
-bool BoxShow::resolve() const {
-	if (_wrapped) {
-		return true;
-	} else if (const auto strong = _weak.data()) {
-		if (strong->hasDelegate()) {
-			_wrapped = strong->getDelegate()->showFactory()();
-			return true;
-		}
-	}
-	return false;
-}
-
-void BoxShow::showBox(
-		object_ptr<BoxContent> content,
-		LayerOptions options) const {
-	if (resolve()) {
-		_wrapped->showBox(std::move(content), options);
-	}
-}
-
-void BoxShow::hideLayer() const {
-	if (resolve()) {
-		_wrapped->hideLayer();
-	}
-}
-
-not_null<QWidget*> BoxShow::toastParent() const {
-	if (resolve()) {
-		return _wrapped->toastParent();
-	}
-	Unexpected("Stale BoxShow::toastParent call.");
-}
-
-bool BoxShow::valid() const {
-	return resolve() && _wrapped->valid();
-}
-
-BoxShow::operator bool() const {
-	return valid();
-}
-
 } // namespace Ui

ui/layers/box_content.h

@@ -35,6 +35,11 @@ namespace st {
 extern const style::ScrollArea &boxScroll;
 } // namespace st
 
+namespace Ui::Toast {
+struct Config;
+class Instance;
+} // namespace Ui::Toast
+
 namespace Ui {
 class GenericBox;
 } // namespace Ui
@@ -101,7 +106,6 @@ public:
 };
 
 class BoxContent : public RpWidget {
-
 public:
 	BoxContent() {
 		setAttribute(Qt::WA_OpaquePaintEvent);
@@ -214,6 +218,16 @@ public:
 	[[nodiscard]] int scrollTop() const;
 	[[nodiscard]] int scrollHeight() const;
 
+	base::weak_ptr<Toast::Instance> showToast(Toast::Config &&config);
+	base::weak_ptr<Toast::Instance> showToast(
+		TextWithEntities &&text,
+		crl::time duration = 0);
+	base::weak_ptr<Toast::Instance> showToast(
+		const QString &text,
+		crl::time duration = 0);
+
+	[[nodiscard]] std::shared_ptr<Show> uiShow();
+
 protected:
 	virtual void prepare() = 0;
 
@@ -357,28 +371,4 @@ private:
 
 };
 
-class BoxShow : public Show {
-public:
-	explicit BoxShow(not_null<Ui::BoxContent*> box);
-	BoxShow(const BoxShow &other);
-	~BoxShow();
-	void showBox(
-		object_ptr<BoxContent> content,
-		LayerOptions options = LayerOption::KeepOther) const override;
-	void hideLayer() const override;
-	[[nodiscard]] not_null<QWidget*> toastParent() const override;
-	[[nodiscard]] bool valid() const override;
-	operator bool() const override;
-
-private:
-	BoxShow(QPointer<BoxContent> weak, ShowPtr wrapped);
-
-	bool resolve() const;
-
-	const QPointer<Ui::BoxContent> _weak;
-	mutable std::shared_ptr<Show> _wrapped;
-	rpl::lifetime _lifetime;
-
-};
-
 } // namespace Ui

ui/layers/layer_manager.cpp

@@ -68,7 +68,8 @@ ManagerShow::operator bool() const {
 
 } // namespace
 
-LayerManager::LayerManager(not_null<RpWidget*> widget) : _widget(widget) {
+LayerManager::LayerManager(not_null<RpWidget*> widget)
+: _widget(widget) {
 }
 
 void LayerManager::setStyleOverrides(

ui/layers/show.cpp

@@ -0,0 +1,43 @@
+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#include "ui/layers/show.h"
+
+#include "ui/toast/toast.h"
+
+namespace Ui {
+namespace {
+
+using namespace Toast;
+
+} // namespace
+
+base::weak_ptr<Instance> Show::showToast(Config &&config) {
+	if (const auto strong = _lastToast.get()) {
+		strong->hideAnimated();
+	}
+	_lastToast = valid()
+		? Toast::Show(toastParent(), std::move(config))
+		: base::weak_ptr<Instance>();
+	return _lastToast;
+}
+
+base::weak_ptr<Instance> Show::showToast(
+		TextWithEntities &&text,
+		crl::time duration) {
+	return showToast({ .text = std::move(text), .duration = duration });
+}
+
+base::weak_ptr<Instance> Show::showToast(
+		const QString &text,
+		crl::time duration) {
+	return showToast({
+		.text = TextWithEntities{ text },
+		.duration = duration,
+	});
+}
+
+} // namespace Ui

ui/layers/show.h

@@ -6,12 +6,22 @@
 //
 #pragma once
 
+#include "base/weak_ptr.h"
 #include "ui/layers/layer_widget.h"
 
+struct TextWithEntities;
+
+namespace Ui::Toast {
+struct Config;
+class Instance;
+} // namespace Ui::Toast
+
 namespace Ui {
 
 class BoxContent;
 
+inline constexpr auto kZOrderBasic = 0;
+
 class Show {
 public:
 	virtual ~Show() = 0;
@@ -22,6 +32,18 @@ public:
 	[[nodiscard]] virtual not_null<QWidget*> toastParent() const = 0;
 	[[nodiscard]] virtual bool valid() const = 0;
 	virtual operator bool() const = 0;
+
+	base::weak_ptr<Toast::Instance> showToast(Toast::Config &&config);
+	base::weak_ptr<Toast::Instance> showToast(
+		TextWithEntities &&text,
+		crl::time duration = 0);
+	base::weak_ptr<Toast::Instance> showToast(
+		const QString &text,
+		crl::time duration = 0);
+
+private:
+	base::weak_ptr<Toast::Instance> _lastToast;
+
 };
 
 inline Show::~Show() = default;

ui/toast/toast.cpp

@@ -23,7 +23,8 @@ Instance::Instance(
 	not_null<QWidget*> widgetParent,
 	const Private &)
 : _st(config.st)
-, _hideAt(crl::now() + config.durationMs)
+, _hideAt(crl::now()
+	+ (config.duration ? config.duration : kDefaultDuration))
 , _sliding(config.slideSide != RectPart::None)
 , _widget(std::make_unique<internal::Widget>(widgetParent, config)) {
 	_shownAnimation.start(

ui/toast/toast.h

@@ -17,6 +17,10 @@ namespace style {
 struct Toast;
 } // namespace style
 
+namespace st {
+extern const style::Toast &defaultMultilineToast;
+} // namespace st
+
 namespace Ui {
 namespace Toast {
 
@@ -30,10 +34,10 @@ using ClickHandlerFilter = Fn<bool(const ClickHandlerPtr&, Qt::MouseButton)>;
 inline constexpr auto kDefaultDuration = crl::time(1500);
 struct Config {
 	TextWithEntities text;
-	not_null<const style::Toast*> st;
-	crl::time durationMs = kDefaultDuration;
+	not_null<const style::Toast*> st = &st::defaultMultilineToast;
+	crl::time duration = kDefaultDuration;
 	int maxLines = 16;
-	bool multiline = false;
+	bool multiline = true;
 	bool dark = false;
 	RectPart slideSide = RectPart::None;
 	ClickHandlerFilter filter;

ui/toasts/common_toasts.cpp

@@ -1,31 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#include "ui/toasts/common_toasts.h"
-
-#include "ui/toast/toast.h"
-#include "styles/style_widgets.h"
-
-namespace Ui {
-
-base::weak_ptr<Toast::Instance> ShowMultilineToast(
-		MultilineToastArgs &&args) {
-	auto config = Ui::Toast::Config{
-		.text = std::move(args.text),
-		.st = &st::defaultMultilineToast,
-		.durationMs = (args.duration
-			? args.duration
-			: Ui::Toast::kDefaultDuration),
-		.multiline = true,
-		.filter = std::move(args.filter),
-	};
-	return args.parentOverride
-		? Ui::Toast::Show(args.parentOverride, std::move(config))
-		: Ui::Toast::Show(std::move(config));
-}
-
-} // namespace Ui

ui/toasts/common_toasts.h

@@ -1,32 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#pragma once
-
-#include "ui/text/text_entity.h"
-#include "base/weak_ptr.h"
-
-class ClickHandler;
-using ClickHandlerPtr = std::shared_ptr<ClickHandler>;
-using ClickHandlerFilter = Fn<bool(const ClickHandlerPtr&, Qt::MouseButton)>;
-
-namespace Ui {
-namespace Toast {
-class Instance;
-} // namespace Toast
-
-struct MultilineToastArgs {
-	QWidget *parentOverride = nullptr;
-	TextWithEntities text;
-	crl::time duration = 0;
-	ClickHandlerFilter filter;
-};
-
-base::weak_ptr<Toast::Instance> ShowMultilineToast(
-	MultilineToastArgs &&args);
-
-} // namespace Ui

ui/widgets/separate_panel.cpp

@@ -16,7 +16,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/menu/menu_add_action_callback_factory.h"
 #include "ui/wrap/padding_wrap.h"
 #include "ui/wrap/fade_wrap.h"
-#include "ui/toasts/common_toasts.h"
 #include "ui/platform/ui_platform_utility.h"
 #include "ui/layers/layer_widget.h"
 #include "ui/layers/show.h"
@@ -410,15 +409,25 @@ void SeparatePanel::showBox(
 	}
 }
 
-std::shared_ptr<Show> SeparatePanel::uiShow() {
-	return std::make_shared<PanelShow>(this);
+base::weak_ptr<Toast::Instance> SeparatePanel::showToast(
+		Toast::Config &&config) {
+	return PanelShow(this).showToast(std::move(config));
 }
 
-void SeparatePanel::showToast(const TextWithEntities &text) {
-	Ui::ShowMultilineToast({
-		.parentOverride = this,
-		.text = text,
-	});
+base::weak_ptr<Toast::Instance> SeparatePanel::showToast(
+		TextWithEntities &&text,
+		crl::time duration) {
+	return PanelShow(this).showToast(std::move(text), duration);
+}
+
+base::weak_ptr<Toast::Instance> SeparatePanel::showToast(
+		const QString &text,
+		crl::time duration) {
+	return PanelShow(this).showToast(text, duration);
+}
+
+std::shared_ptr<Show> SeparatePanel::uiShow() {
+	return std::make_shared<PanelShow>(this);
 }
 
 void SeparatePanel::ensureLayerCreated() {

ui/widgets/separate_panel.h

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include "base/weak_ptr.h"
 #include "ui/rp_widget.h"
 #include "ui/effects/animations.h"
 #include "ui/layers/layer_widget.h"
@@ -18,6 +19,11 @@ namespace Ui::Menu {
 struct MenuCallback;
 } // namespace Ui::Menu
 
+namespace Ui::Toast {
+struct Config;
+class Instance;
+} // namespace Ui::Toast
+
 namespace Ui {
 
 class Show;
@@ -32,6 +38,7 @@ class FadeWrapScaled;
 struct SeparatePanelArgs {
 	QWidget *parent = nullptr;
 	bool onAllSpaces = false;
+	Fn<bool(int zorder)> animationsPaused;
 };
 
 class SeparatePanel final : public RpWidget {
@@ -52,15 +59,25 @@ public:
 		object_ptr<BoxContent> box,
 		LayerOptions options,
 		anim::type animated);
-	void showToast(const TextWithEntities &text);
 	void destroyLayer();
 
+	[[nodiscard]] bool animationsPaused(int zorder) const;
+
 	[[nodiscard]] rpl::producer<> backRequests() const;
 	[[nodiscard]] rpl::producer<> closeRequests() const;
 	[[nodiscard]] rpl::producer<> closeEvents() const;
 	void setBackAllowed(bool allowed);
 
 	void setMenuAllowed(Fn<void(const Menu::MenuCallback&)> fill);
+
+	base::weak_ptr<Toast::Instance> showToast(Toast::Config &&config);
+	base::weak_ptr<Toast::Instance> showToast(
+		TextWithEntities &&text,
+		crl::time duration = 0);
+	base::weak_ptr<Toast::Instance> showToast(
+		const QString &text,
+		crl::time duration = 0);
+
 	[[nodiscard]] std::shared_ptr<Show> uiShow();
 
 protected:
@@ -127,6 +144,8 @@ private:
 	QPixmap _animationCache;
 	QPixmap _borderParts;
 
+	Fn<bool(int zorder)> _animationsPaused;
+
 };
 
 } // namespace Ui