Add button to show all pinned messages.

Telegram/SourceFiles/ui/chat/chat.style

@@ -361,6 +361,10 @@ historyReplyCancel: IconButton {
 		color: windowBgOver;
 	}
 }
+historyPinnedShowAll: IconButton(historyReplyCancel) {
+	icon: icon {{ "pinned_show_all", historyReplyCancelFg }};
+	iconOver: icon {{ "pinned_show_all", historyReplyCancelFgOver }};
+}
 
 msgBotKbDuration: 200;
 msgBotKbFont: semiboldFont;

Telegram/SourceFiles/ui/chat/pinned_bar.cpp

@@ -19,14 +19,8 @@ namespace Ui {
 
 PinnedBar::PinnedBar(
 	not_null<QWidget*> parent,
-	rpl::producer<MessageBarContent> content,
-	bool withClose)
+	rpl::producer<MessageBarContent> content)
 : _wrap(parent, object_ptr<RpWidget>(parent))
-, _close(withClose
-	? std::make_unique<IconButton>(
-		_wrap.entity(),
-		st::historyReplyCancel)
-	: nullptr)
 , _shadow(std::make_unique<PlainShadow>(_wrap.parentWidget())) {
 	_wrap.hide(anim::type::instant);
 	_shadow->hide();
@@ -73,7 +67,33 @@ PinnedBar::PinnedBar(
 	}, lifetime());
 }
 
-PinnedBar::~PinnedBar() = default;
+PinnedBar::~PinnedBar() {
+	_rightButton.destroy();
+}
+
+void PinnedBar::setRightButton(object_ptr<Ui::RpWidget> button) {
+	_rightButton.destroy();
+	_rightButton = std::move(button);
+	if (_rightButton) {
+		_rightButton->setParent(_wrap.entity());
+		_rightButton->show();
+	}
+	if (_bar) {
+		updateControlsGeometry(_wrap.geometry());
+	}
+}
+
+void PinnedBar::updateControlsGeometry(QRect wrapGeometry) {
+	_bar->widget()->resizeToWidth(
+		wrapGeometry.width() - (_rightButton ? _rightButton->width() : 0));
+	const auto hidden = _wrap.isHidden() || !wrapGeometry.height();
+	if (_shadow->isHidden() != hidden) {
+		_shadow->setVisible(!hidden);
+	}
+	if (_rightButton) {
+		_rightButton->moveToRight(0, 0);
+	}
+}
 
 void PinnedBar::setShadowGeometryPostprocess(Fn<QRect(QRect)> postprocess) {
 	_shadowGeometryPostprocess = std::move(postprocess);
@@ -97,8 +117,8 @@ void PinnedBar::createControls() {
 	_bar = std::make_unique<MessageBar>(
 		_wrap.entity(),
 		st::defaultMessageBar);
-	if (_close) {
-		_close->raise();
+	if (_rightButton) {
+		_rightButton->raise();
 	}
 
 	// Clicks.
@@ -126,15 +146,7 @@ void PinnedBar::createControls() {
 	_wrap.geometryValue(
 	) | rpl::start_with_next([=](QRect rect) {
 		updateShadowGeometry(rect);
-		_bar->widget()->resizeToWidth(
-			rect.width() - (_close ? _close->width() : 0));
-		const auto hidden = _wrap.isHidden() || !rect.height();
-		if (_shadow->isHidden() != hidden) {
-			_shadow->setVisible(!hidden);
-		}
-		if (_close) {
-			_close->moveToRight(0, 0);
-		}
+		updateControlsGeometry(rect);
 	}, _bar->widget()->lifetime());
 
 	_wrap.shownValue(
@@ -198,12 +210,6 @@ rpl::producer<int> PinnedBar::heightValue() const {
 	return _wrap.heightValue();
 }
 
-rpl::producer<> PinnedBar::closeClicks() const {
-	return !_close
-		? (rpl::never<>() | rpl::type_erased())
-		: (_close->clicks() | rpl::map([] { return rpl::empty_value(); }));
-}
-
 rpl::producer<> PinnedBar::barClicks() const {
 	return _barClicks.events();
 }

Telegram/SourceFiles/ui/chat/pinned_bar.h

@@ -6,7 +6,9 @@ For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
+
 #include "ui/wrap/slide_wrap.h"
+#include "base/object_ptr.h"
 
 namespace Ui {
 
@@ -14,13 +16,13 @@ struct MessageBarContent;
 class MessageBar;
 class IconButton;
 class PlainShadow;
+class RpWidget;
 
 class PinnedBar final {
 public:
 	PinnedBar(
 		not_null<QWidget*> parent,
-		rpl::producer<Ui::MessageBarContent> content,
-		bool withClose = false);
+		rpl::producer<Ui::MessageBarContent> content);
 	~PinnedBar();
 
 	void show();
@@ -30,11 +32,12 @@ public:
 
 	void setShadowGeometryPostprocess(Fn<QRect(QRect)> postprocess);
 
+	void setRightButton(object_ptr<Ui::RpWidget> button);
+
 	void move(int x, int y);
 	void resizeToWidth(int width);
 	[[nodiscard]] int height() const;
 	[[nodiscard]] rpl::producer<int> heightValue() const;
-	[[nodiscard]] rpl::producer<> closeClicks() const;
 	[[nodiscard]] rpl::producer<> barClicks() const;
 
 	[[nodiscard]] rpl::lifetime &lifetime() {
@@ -44,10 +47,11 @@ public:
 private:
 	void createControls();
 	void updateShadowGeometry(QRect wrapGeometry);
+	void updateControlsGeometry(QRect wrapGeometry);
 
 	Ui::SlideWrap<> _wrap;
 	std::unique_ptr<Ui::MessageBar> _bar;
-	std::unique_ptr<Ui::IconButton> _close;
+	object_ptr<Ui::RpWidget> _rightButton = { nullptr };
 	std::unique_ptr<Ui::PlainShadow> _shadow;
 	rpl::event_stream<> _barClicks;
 	Fn<QRect(QRect)> _shadowGeometryPostprocess;