From 5298cf0e522eb65cc8965aff8ee8e9bbfe51395f Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Sun, 6 Mar 2022 12:07:43 +0300
Subject: [PATCH] Added ability to provide style to box for choosing date and
 time.

---
 .../SourceFiles/ui/boxes/choose_date_time.cpp | 23 ++++++++++++++-----
 .../SourceFiles/ui/boxes/choose_date_time.h   | 17 ++++++++++++++
 2 files changed, 34 insertions(+), 6 deletions(-)

diff --git a/Telegram/SourceFiles/ui/boxes/choose_date_time.cpp b/Telegram/SourceFiles/ui/boxes/choose_date_time.cpp
index 023f7a94ce..2f77253c14 100644
--- a/Telegram/SourceFiles/ui/boxes/choose_date_time.cpp
+++ b/Telegram/SourceFiles/ui/boxes/choose_date_time.cpp
@@ -58,6 +58,15 @@ QString TimeString(QTime time) {
 
 } // namespace
 
+ChooseDateTimeStyleArgs::ChooseDateTimeStyleArgs()
+: labelStyle(&st::boxLabel)
+, dateFieldStyle(&st::scheduleDateField)
+, timeFieldStyle(&st::scheduleTimeField)
+, separatorStyle(&st::scheduleTimeSeparator)
+, atStyle(&st::scheduleAtLabel)
+, calendarStyle(&st::defaultCalendarColors) {
+}
+
 ChooseDateTimeBoxDescriptor ChooseDateTimeBox(
 		not_null<GenericBox*> box,
 		ChooseDateTimeBoxArgs &&args) {
@@ -76,25 +85,25 @@ ChooseDateTimeBoxDescriptor ChooseDateTimeBox(
 		box->addRow(object_ptr<FlatLabel>(
 			box,
 			std::move(args.description),
-			st::boxLabel));
+			*args.style.labelStyle));
 	}
 	const auto parsed = base::unixtime::parse(args.time);
 	const auto state = box->lifetime().make_state<State>(State{
 		.date = parsed.date(),
 		.day = CreateChild<InputField>(
 			content,
-			st::scheduleDateField),
+			*args.style.dateFieldStyle),
 		.time = CreateChild<TimeInput>(
 			content,
 			TimeString(parsed.time()),
-			st::scheduleTimeField,
-			st::scheduleDateField,
-			st::scheduleTimeSeparator,
+			*args.style.timeFieldStyle,
+			*args.style.dateFieldStyle,
+			*args.style.separatorStyle,
 			st::scheduleTimeSeparatorPadding),
 		.at = CreateChild<FlatLabel>(
 			content,
 			tr::lng_schedule_at(),
-			st::scheduleAtLabel),
+			*args.style.atStyle),
 	});
 
 	state->date.value(
@@ -155,6 +164,7 @@ ChooseDateTimeBoxDescriptor ChooseDateTimeBox(
 
 	const auto calendar =
 		content->lifetime().make_state<QPointer<CalendarBox>>();
+	const auto calendarStyle = args.style.calendarStyle;
 	QObject::connect(state->day, &InputField::focused, [=] {
 		if (*calendar) {
 			return;
@@ -169,6 +179,7 @@ ChooseDateTimeBoxDescriptor ChooseDateTimeBox(
 				}),
 				.minDate = minDate(),
 				.maxDate = maxDate(),
+				.stColors = *calendarStyle,
 			}));
 		(*calendar)->boxClosing(
 		) | rpl::start_with_next(crl::guard(state->time, [=] {
diff --git a/Telegram/SourceFiles/ui/boxes/choose_date_time.h b/Telegram/SourceFiles/ui/boxes/choose_date_time.h
index 24391b48b0..1a12c7ffa1 100644
--- a/Telegram/SourceFiles/ui/boxes/choose_date_time.h
+++ b/Telegram/SourceFiles/ui/boxes/choose_date_time.h
@@ -9,6 +9,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "ui/layers/generic_box.h"
 
+namespace style {
+struct FlatLabel;
+struct InputField;
+struct CalendarColors;
+} // namespace style
+
 namespace Ui {
 
 class RoundButton;
@@ -19,6 +25,16 @@ struct ChooseDateTimeBoxDescriptor {
 	rpl::producer<TimeId> values;
 };
 
+struct ChooseDateTimeStyleArgs {
+	ChooseDateTimeStyleArgs();
+	const style::FlatLabel *labelStyle;
+	const style::InputField *dateFieldStyle;
+	const style::InputField *timeFieldStyle;
+	const style::FlatLabel *separatorStyle;
+	const style::FlatLabel *atStyle;
+	const style::CalendarColors *calendarStyle;
+};
+
 struct ChooseDateTimeBoxArgs {
 	rpl::producer<QString> title;
 	rpl::producer<QString> submit;
@@ -27,6 +43,7 @@ struct ChooseDateTimeBoxArgs {
 	TimeId time = 0;
 	Fn<TimeId()> max;
 	rpl::producer<QString> description;
+	ChooseDateTimeStyleArgs style;
 };
 
 ChooseDateTimeBoxDescriptor ChooseDateTimeBox(