Fixed display of scheduled until online message dates.

Telegram/Resources/langs/lang.strings

@@ -1294,6 +1294,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_scheduled_messages" = "Scheduled Messages";
 "lng_reminder_messages" = "Reminders";
+"lng_scheduled_date" = "Scheduled for {date}";
+"lng_scheduled_date_until_online" = "Scheduled until online";
 "lng_scheduled_send_now" = "Send message now?";
 "lng_scheduled_send_now_many#one" = "Send {count} message now?";
 "lng_scheduled_send_now_many#other" = "Send {count} messages now?";

Telegram/SourceFiles/data/data_scheduled_messages.h

@@ -43,6 +43,8 @@ public:
 	[[nodiscard]] rpl::producer<> updates(not_null<History*> history);
 	[[nodiscard]] Data::MessagesSlice list(not_null<History*> history);
 
+	static constexpr auto kScheduledUntilOnlineTimestamp = TimeId(0x7FFFFFFE);
+
 private:
 	using OwnedItem = std::unique_ptr<HistoryItem, HistoryItem::Destroyer>;
 	struct List {

Telegram/SourceFiles/history/history.style

@@ -149,6 +149,8 @@ historyReceivedIcon: icon {{ "history_received", historyOutIconFg, point(2px, 4p
 historyReceivedSelectedIcon: icon {{ "history_received", historyOutIconFgSelected, point(2px, 4px) }};
 historyReceivedInvertedIcon: icon {{ "history_received", historyIconFgInverted, point(2px, 4px) }};
 
+historyScheduledUntilOnlineStateSpace: 17px;
+
 historyViewsSpace: 11px;
 historyViewsWidth: 20px;
 historyViewsTop: -15px;

Telegram/SourceFiles/history/history_item.cpp

@@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "core/crash_reports.h"
 #include "base/unixtime.h"
+#include "data/data_scheduled_messages.h" // kScheduledUntilOnlineTimestamp
 #include "data/data_session.h"
 #include "data/data_messages.h"
 #include "data/data_media_types.h"
@@ -862,6 +863,21 @@ QDateTime ItemDateTime(not_null<const HistoryItem*> item) {
 	return base::unixtime::parse(item->date());
 }
 
+QString ItemDateText(not_null<const HistoryItem*> item, bool isUntilOnline) {
+	const auto dateText = langDayOfMonthFull(ItemDateTime(item).date());
+	return !item->isScheduled()
+		? dateText
+		: isUntilOnline
+			? tr::lng_scheduled_date_until_online(tr::now)
+			: tr::lng_scheduled_date(tr::now, lt_date, dateText);
+}
+
+bool IsItemScheduledUntilOnline(not_null<const HistoryItem*> item) {
+	return item->isScheduled()
+		&& (item->date() ==
+			Data::ScheduledMessages::kScheduledUntilOnlineTimestamp);
+}
+
 ClickHandlerPtr goToMessageClickHandler(
 		not_null<HistoryItem*> item,
 		FullMsgId returnToId) {

Telegram/SourceFiles/history/history_item.h

@@ -374,6 +374,8 @@ private:
 };
 
 QDateTime ItemDateTime(not_null<const HistoryItem*> item);
+QString ItemDateText(not_null<const HistoryItem*> item, bool isUntilOnline);
+bool IsItemScheduledUntilOnline(not_null<const HistoryItem*> item);
 
 ClickHandlerPtr goToMessageClickHandler(
 	not_null<PeerData*> peer,

Telegram/SourceFiles/history/view/history_view_element.cpp

@@ -185,8 +185,8 @@ void UnreadBar::paint(Painter &p, int y, int w) const {
 }
 
 
-void DateBadge::init(const QDateTime &date) {
-	text = langDayOfMonthFull(date.date());
+void DateBadge::init(const QString &date) {
+	text = date;
 	width = st::msgServiceFont->width(text);
 }
 
@@ -207,7 +207,8 @@ Element::Element(
 	not_null<HistoryItem*> data)
 : _delegate(delegate)
 , _data(data)
-, _dateTime(ItemDateTime(data))
+, _isScheduledUntilOnline(IsItemScheduledUntilOnline(data))
+, _dateTime(_isScheduledUntilOnline ? QDateTime() : ItemDateTime(data))
 , _context(delegate->elementContext()) {
 	history()->owner().registerItemView(this);
 	refreshMedia();
@@ -505,7 +506,7 @@ void Element::setDisplayDate(bool displayDate) {
 	const auto item = data();
 	if (displayDate && !Has<DateBadge>()) {
 		AddComponents(DateBadge::Bit());
-		Get<DateBadge>()->init(dateTime());
+		Get<DateBadge>()->init(ItemDateText(item, _isScheduledUntilOnline));
 		setPendingResize();
 	} else if (!displayDate && Has<DateBadge>()) {
 		RemoveComponents(DateBadge::Bit());

Telegram/SourceFiles/history/view/history_view_element.h

@@ -122,7 +122,7 @@ struct UnreadBar : public RuntimeComponent<UnreadBar, Element> {
 // Any HistoryView::Element can have this Component for
 // displaying the day mark above the message.
 struct DateBadge : public RuntimeComponent<DateBadge, Element> {
-	void init(const QDateTime &date);
+	void init(const QString &date);
 
 	int height() const;
 	void paint(Painter &p, int y, int w) const;
@@ -310,6 +310,7 @@ private:
 	const not_null<ElementDelegate*> _delegate;
 	const not_null<HistoryItem*> _data;
 	std::unique_ptr<Media> _media;
+	bool _isScheduledUntilOnline = false;
 	const QDateTime _dateTime;
 
 	int _y = 0;

Telegram/SourceFiles/history/view/history_view_list_widget.cpp

@@ -1391,7 +1391,7 @@ void ListWidget::paintEvent(QPaintEvent *e) {
 					} else {
 						ServiceMessagePainter::paintDate(
 							p,
-							view->dateTime(),
+							ItemDateText(view->data(), IsItemScheduledUntilOnline(view->data())),
 							dateY,
 							width);
 					}

Telegram/SourceFiles/history/view/history_view_message.cpp

@@ -1269,7 +1269,12 @@ int Message::infoWidth() const {
 			result += st::historySendStateSpace;
 		}
 	}
-	if (hasOutLayout()) {
+
+	// When message is scheduled until online, time is not displayed,
+	// so message should have less space.
+	if (!item->_timeWidth) {
+		result += st::historyScheduledUntilOnlineStateSpace;
+	} else if (hasOutLayout()) {
 		result += st::historySendStateSpace;
 	}
 	return result;

Telegram/SourceFiles/history/view/history_view_service_message.cpp

@@ -199,6 +199,10 @@ void ServiceMessagePainter::paintDate(Painter &p, const QDateTime &date, int y,
 	paintPreparedDate(p, dateText, dateTextWidth, y, w);
 }
 
+void ServiceMessagePainter::paintDate(Painter &p, const QString &dateText, int y, int w) {
+	paintPreparedDate(p, dateText, st::msgServiceFont->width(dateText), y, w);
+}
+
 void ServiceMessagePainter::paintDate(Painter &p, const QString &dateText, int dateTextWidth, int y, int w) {
 	paintPreparedDate(p, dateText, dateTextWidth, y, w);
 }

Telegram/SourceFiles/history/view/history_view_service_message.h

@@ -63,6 +63,7 @@ struct PaintContext {
 class ServiceMessagePainter {
 public:
 	static void paintDate(Painter &p, const QDateTime &date, int y, int w);
+	static void paintDate(Painter &p, const QString &dateText, int y, int w);
 	static void paintDate(Painter &p, const QString &dateText, int dateTextWidth, int y, int w);
 
 	static void paintBubble(Painter &p, int x, int y, int w, int h);