init

Telegram/SourceFiles/ui/chat/forward_options_box.cpp

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+/*
+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/chat/forward_options_box.h"
+
+#include "ui/widgets/checkbox.h"
+#include "ui/widgets/labels.h"
+#include "lang/lang_keys.h"
+#include "styles/style_layers.h"
+#include "styles/style_boxes.h"
+
+namespace Ui {
+
+void FillForwardOptions(
+		Fn<not_null<AbstractCheckView*>(
+			rpl::producer<QString> &&,
+			bool)> createView,
+		ForwardOptions options,
+		Fn<void(ForwardOptions)> optionsChanged,
+		rpl::lifetime &lifetime) {
+	Expects(optionsChanged != nullptr);
+
+	const auto names = createView(
+		(options.sendersCount == 1
+			? tr::lng_forward_show_sender
+			: tr::lng_forward_show_senders)(),
+		!options.dropNames);
+	const auto captions = options.captionsCount
+		? createView(
+			(options.captionsCount == 1
+				? tr::lng_forward_show_caption
+				: tr::lng_forward_show_captions)(),
+			!options.dropCaptions).get()
+		: nullptr;
+
+	const auto notify = [=] {
+		optionsChanged({
+			.sendersCount = options.sendersCount,
+			.captionsCount = options.captionsCount,
+			.dropNames = !names->checked(),
+			.dropCaptions = (captions && !captions->checked()),
+		});
+	};
+	names->checkedChanges(
+	) | rpl::on_next([=](bool showNames) {
+		if (showNames && captions && !captions->checked()) {
+			captions->setChecked(true, anim::type::normal);
+		} else {
+			notify();
+		}
+	}, lifetime);
+	if (captions) {
+		captions->checkedChanges(
+		) | rpl::on_next([=](bool showCaptions) {
+			if (!showCaptions && names->checked()) {
+				names->setChecked(false, anim::type::normal);
+			} else {
+				notify();
+			}
+		}, lifetime);
+	}
+}
+
+} // namespace Ui