Colorize bubbles according to a custom chat theme.

Telegram/SourceFiles/settings/settings_privacy_controllers.cpp

@@ -26,6 +26,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "calls/calls_instance.h"
 #include "base/unixtime.h"
 #include "ui/chat/chat_theme.h"
+#include "ui/chat/chat_style.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/wrap/padding_wrap.h"
 #include "ui/wrap/vertical_layout.h"
@@ -633,7 +634,9 @@ rpl::producer<QString> CallsPeer2PeerPrivacyController::exceptionsDescription()
 ForwardsPrivacyController::ForwardsPrivacyController(
 	not_null<Window::SessionController*> controller)
 : SimpleElementDelegate(controller, [] {})
-, _controller(controller) {
+, _controller(controller)
+, _chatStyle(std::make_unique<Ui::ChatStyle>()) {
+	_chatStyle->apply(controller->defaultChatTheme().get());
 }
 
 UserPrivacy::Key ForwardsPrivacyController::key() {
@@ -715,13 +718,11 @@ object_ptr<Ui::RpWidget> ForwardsPrivacyController::setupAboveWidget(
 			rect);
 
 		Painter p(widget);
-		const auto context = HistoryView::PaintContext{
-			.st = style::main_palette::get(),
-			.bubblesPattern = nullptr,
-			.viewport = widget->rect(),
-			.clip = widget->rect(),
-			.now = crl::now(),
-		};
+		const auto theme = _controller->defaultChatTheme().get();
+		const auto context = theme->preparePaintContext(
+			_chatStyle.get(),
+			widget->rect(),
+			widget->rect());
 		p.translate(0, padding + view->marginBottom());
 		view->draw(p, context);
 

Telegram/SourceFiles/settings/settings_privacy_controllers.h

@@ -16,6 +16,10 @@ namespace Window {
 class SessionController;
 } // namespace Window
 
+namespace Ui {
+class ChatStyle;
+} // namespace Ui
+
 namespace Settings {
 
 class BlockedBoxController : public PeerListController {
@@ -193,6 +197,7 @@ private:
 		Option value);
 
 	const not_null<Window::SessionController*> _controller;
+	const std::unique_ptr<Ui::ChatStyle> _chatStyle;
 
 };