tdesktop/Telegram/SourceFiles/ui/controls/swipe_handler.h

56 lines
1.3 KiB
C++

/*
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
*/
#pragma once
namespace Ui {
class ElasticScroll;
class RpWidget;
class ScrollArea;
} // namespace Ui
namespace Ui::Controls {
struct SwipeContextData;
struct SwipeBackResult;
struct SwipeHandlerFinishData {
Fn<void(void)> callback;
int64 msgBareId = 0;
float64 speedRatio = 1.0;
crl::time reachRatioDuration = 0;
bool keepRatioWithinRange = false;
bool provideReachOutRatio = false;
};
using Scroll = std::variant<
v::null_t,
not_null<Ui::ScrollArea*>,
not_null<Ui::ElasticScroll*>>;
struct SwipeHandlerArgs {
not_null<Ui::RpWidget*> widget;
Scroll scroll;
Fn<void(SwipeContextData)> update;
Fn<SwipeHandlerFinishData(int, Qt::LayoutDirection)> init;
rpl::producer<bool> dontStart = nullptr;
rpl::lifetime *onLifetime = nullptr;
};
void SetupSwipeHandler(SwipeHandlerArgs &&args);
[[nodiscard]] SwipeBackResult SetupSwipeBack(
not_null<Ui::RpWidget*> widget,
Fn<std::pair<QColor, QColor>()> colors,
bool mirrored = false,
bool iconMirrored = false);
[[nodiscard]] SwipeHandlerFinishData DefaultSwipeBackHandlerFinishData(
Fn<void(void)> callback);
} // namespace Ui::Controls