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Added ability to provide ElasticScroll to SetupSwipeHandler.

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23rd 2025-02-17 20:00:30 +03:00 • committed by John Preston
parent 540fa0e669
commit d93d8ab1cc
2 changed files with 25 additions and 11 deletions
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28
Telegram/SourceFiles/history/history_view_swipe.cpp
View file

@ -31,7 +31,7 @@ constexpr auto kSwipeSlow = 0.2;
void SetupSwipeHandler(
not_null<Ui::RpWidget*> widget,
not_null<Ui::ScrollArea*> scroll,
Scroll scroll,
Fn<void(ChatPaintGestureHorizontalData)> update,
Fn<SwipeHandlerFinishData(int, Qt::LayoutDirection)> generateFinish,
rpl::producer<bool> dontStart) {
@ -88,10 +88,15 @@ void SetupSwipeHandler(
const auto setOrientation = [=](std::optional<Qt::Orientation> o) {
state->orientation = o;
const auto isHorizontal = (o == Qt::Horizontal);
scroll->viewport()->setAttribute(
Qt::WA_AcceptTouchEvents,
!isHorizontal);
scroll->disableScroll(isHorizontal);
v::match(scroll, [](v::null_t) {
}, [&](const auto &scroll) {
if (const auto viewport = scroll->viewport()) {
viewport->setAttribute(
Qt::WA_AcceptTouchEvents,
!isHorizontal);
}
scroll->disableScroll(isHorizontal);
});
};
const auto processEnd = [=](std::optional<QPointF> delta = {}) {
if (state->orientation == Qt::Horizontal) {
@ -120,11 +125,14 @@ void SetupSwipeHandler(
state->startAt = {};
state->delta = {};
};
scroll->scrolls() | rpl::start_with_next([=] {
if (state->orientation != Qt::Vertical) {
processEnd();
}
}, state->lifetime);
v::match(scroll, [](v::null_t) {
}, [&](const auto &scroll) {
scroll->scrolls() | rpl::start_with_next([=] {
if (state->orientation != Qt::Vertical) {
processEnd();
}
}, state->lifetime);
});
const auto animationReachCallback = [=](float64 value) {
state->data.reachRatio = value;
update(state->data);

8
Telegram/SourceFiles/history/history_view_swipe.h
View file

@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#pragma once
namespace Ui {
class ElasticScroll;
class RpWidget;
class ScrollArea;
} // namespace Ui
@ -24,9 +25,14 @@ struct SwipeHandlerFinishData {
int64 msgBareId = 0;
};
using Scroll = std::variant<
v::null_t,
not_null<Ui::ScrollArea*>,
not_null<Ui::ElasticScroll*>>;
void SetupSwipeHandler(
not_null<Ui::RpWidget*> widget,
not_null<Ui::ScrollArea*> scroll,
Scroll scroll,
Fn<void(ChatPaintGestureHorizontalData)> update,
Fn<SwipeHandlerFinishData(int, Qt::LayoutDirection)> generateFinishByTop,
rpl::producer<bool> dontStart = nullptr);