AyuGramDesktop/Telegram/SourceFiles/dialogs/ui/chat_search_empty.cpp
2024-06-06 09:12:23 +04:00

76 lines
2.1 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
*/
#include "dialogs/ui/chat_search_empty.h"
#include "base/object_ptr.h"
#include "lottie/lottie_icon.h"
#include "settings/settings_common.h"
#include "ui/widgets/labels.h"
#include "styles/style_dialogs.h"
namespace Dialogs {
SearchEmpty::SearchEmpty(
QWidget *parent,
Icon icon,
rpl::producer<TextWithEntities> text)
: RpWidget(parent) {
setup(icon, std::move(text));
}
void SearchEmpty::setMinimalHeight(int minimalHeight) {
const auto minimal = st::recentPeersEmptyHeightMin;
resize(width(), std::max(minimalHeight, minimal));
}
void SearchEmpty::setup(Icon icon, rpl::producer<TextWithEntities> text) {
const auto label = Ui::CreateChild<Ui::FlatLabel>(
this,
std::move(text),
st::defaultPeerListAbout);
const auto size = st::recentPeersEmptySize;
const auto animation = [&] {
switch (icon) {
case Icon::Search: return u"search"_q;
case Icon::NoResults: return u"noresults"_q;
}
Unexpected("Icon in SearchEmpty::setup.");
}();
const auto [widget, animate] = Settings::CreateLottieIcon(
this,
{
.name = animation,
.sizeOverride = { size, size },
},
st::recentPeersEmptyMargin);
const auto animated = widget.data();
sizeValue() | rpl::start_with_next([=](QSize size) {
const auto padding = st::recentPeersEmptyMargin;
const auto paddings = padding.left() + padding.right();
label->resizeToWidth(size.width() - paddings);
const auto x = (size.width() - animated->width()) / 2;
const auto y = (size.height() - animated->height()) / 3;
const auto top = y + animated->height() + st::recentPeersEmptySkip;
const auto sub = std::max(top + label->height() - size.height(), 0);
animated->move(x, y - sub);
label->move((size.width() - label->width()) / 2, top - sub);
}, lifetime());
_animate = [animate] {
animate(anim::repeat::once);
};
}
void SearchEmpty::animate() {
if (const auto onstack = _animate) {
onstack();
}
}
} // namespace Dialogs