Show information about ForceMuted state.

Telegram/SourceFiles/calls/calls_group_panel.cpp

@@ -343,13 +343,15 @@ void GroupPanel::endCall() {
 void GroupPanel::initControls() {
 	_mute->clicks(
 	) | rpl::filter([=](Qt::MouseButton button) {
-		return (button == Qt::LeftButton)
-			&& _call
-			&& (_call->muted() != MuteState::ForceMuted);
+		return (button == Qt::LeftButton) && (_call != nullptr);
 	}) | rpl::start_with_next([=] {
-		_call->setMuted((_call->muted() == MuteState::Muted)
-			? MuteState::Active
-			: MuteState::Muted);
+		if (_call->muted() == MuteState::ForceMuted) {
+			_mute->shake();
+		} else {
+			_call->setMuted((_call->muted() == MuteState::Muted)
+				? MuteState::Active
+				: MuteState::Muted);
+		}
 	}, _mute->lifetime());
 
 	_hangup->setClickedCallback([=] { endCall(); });

Telegram/SourceFiles/calls/calls_top_bar.cpp

@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/layers/generic_box.h"
 #include "ui/wrap/padding_wrap.h"
 #include "ui/text/format_values.h"
+#include "ui/toast/toast.h"
 #include "lang/lang_keys.h"
 #include "core/application.h"
 #include "calls/calls_call.h"
@@ -239,7 +240,9 @@ void TopBar::initControls() {
 		if (const auto call = _call.get()) {
 			call->setMuted(!call->muted());
 		} else if (const auto group = _groupCall.get()) {
-			if (group->muted() != MuteState::ForceMuted) {
+			if (group->muted() == MuteState::ForceMuted) {
+				Ui::Toast::Show(tr::lng_group_call_force_muted(tr::now));
+			} else {
 				group->setMuted((group->muted() == MuteState::Muted)
 					? MuteState::Active
 					: MuteState::Muted);
@@ -268,9 +271,7 @@ void TopBar::initControls() {
 		if (isForceMuted) {
 			_mute->clearState();
 		}
-		_mute->setAttribute(
-			Qt::WA_TransparentForMouseEvents,
-			isForceMuted);
+		_mute->setPointerCursor(!isForceMuted);
 
 		const auto to = 1.;
 		const auto from = _switchStateAnimation.animating()