tdesktop/Telegram/SourceFiles/dialogs/ui/dialogs_topics_view.cpp

337 lines
9.0 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/dialogs_topics_view.h"
#include "dialogs/ui/dialogs_layout.h"
#include "data/data_forum.h"
#include "data/data_forum_topic.h"
#include "core/ui_integration.h"
#include "ui/painter.h"
#include "ui/text/text_options.h"
#include "ui/text/text_utilities.h"
#include "ui/effects/ripple_animation.h"
#include "styles/style_dialogs.h"
namespace Dialogs::Ui {
namespace {
constexpr auto kIconLoopCount = 1;
} // namespace
TopicsView::TopicsView(not_null<Data::Forum*> forum)
: _forum(forum) {
}
TopicsView::~TopicsView() = default;
bool TopicsView::prepared() const {
return (_version == _forum->recentTopicsListVersion());
}
void TopicsView::prepare(MsgId frontRootId, Fn<void()> customEmojiRepaint) {
const auto &list = _forum->recentTopics();
_version = _forum->recentTopicsListVersion();
_titles.reserve(list.size());
auto index = 0;
for (const auto &topic : list) {
const auto from = begin(_titles) + index;
const auto rootId = topic->rootId();
const auto i = ranges::find(
from,
end(_titles),
rootId,
&Title::topicRootId);
if (i != end(_titles)) {
if (i != from) {
ranges::rotate(from, i, i + 1);
}
} else if (index >= _titles.size()) {
_titles.emplace_back();
}
auto &title = _titles[index++];
title.topicRootId = rootId;
const auto unread = topic->chatListBadgesState().unread;
if (title.unread == unread
&& title.version == topic->titleVersion()) {
continue;
}
const auto context = Core::MarkedTextContext{
.session = &topic->session(),
.customEmojiRepaint = customEmojiRepaint,
.customEmojiLoopLimit = kIconLoopCount,
};
auto topicTitle = topic->titleWithIcon();
title.version = topic->titleVersion();
title.unread = unread;
title.title.setMarkedText(
st::dialogsTextStyle,
(unread
? Ui::Text::PlainLink(
Ui::Text::Wrapped(
std::move(topicTitle),
EntityType::Bold))
: std::move(topicTitle)),
DialogTextOptions(),
context);
}
while (_titles.size() > index) {
_titles.pop_back();
}
const auto i = frontRootId
? ranges::find(_titles, frontRootId, &Title::topicRootId)
: end(_titles);
_jumpToTopic = (i != end(_titles));
if (_jumpToTopic) {
if (i != begin(_titles)) {
ranges::rotate(begin(_titles), i, i + 1);
}
if (!_titles.front().unread) {
_jumpToTopic = false;
}
}
}
int TopicsView::jumpToTopicWidth() const {
return _jumpToTopic ? _titles.front().title.maxWidth() : 0;
}
void TopicsView::paint(
Painter &p,
const QRect &geometry,
const PaintContext &context) const {
p.setFont(st::dialogsTextFont);
p.setPen(context.active
? st::dialogsTextFgActive
: context.selected
? st::dialogsTextFgOver
: st::dialogsTextFg);
const auto palette = &(context.active
? st::dialogsTextPaletteArchiveActive
: context.selected
? st::dialogsTextPaletteArchiveOver
: st::dialogsTextPaletteArchive);
auto rect = geometry;
auto skipBig = _jumpToTopic && !context.active;
for (const auto &title : _titles) {
if (rect.width() < title.title.style()->font->elidew) {
break;
}
title.title.draw(p, {
.position = rect.topLeft(),
.availableWidth = rect.width(),
.palette = palette,
.spoiler = Text::DefaultSpoilerCache(),
.now = context.now,
.paused = context.paused,
.elisionLines = 1,
});
const auto skip = skipBig
? context.st->topicsSkipBig
: context.st->topicsSkip;
rect.setLeft(rect.left() + title.title.maxWidth() + skip);
skipBig = false;
}
}
bool TopicsView::changeTopicJumpGeometry(JumpToLastGeometry geometry) {
if (_lastTopicJumpGeometry != geometry) {
_lastTopicJumpGeometry = geometry;
return true;
}
return false;
}
void TopicsView::clearTopicJumpGeometry() {
changeTopicJumpGeometry({});
}
bool TopicsView::isInTopicJumpArea(int x, int y) const {
return _lastTopicJumpGeometry.area1.contains(x, y)
|| _lastTopicJumpGeometry.area2.contains(x, y);
}
void TopicsView::addTopicJumpRipple(
QPoint origin,
not_null<TopicJumpCache*> topicJumpCache,
Fn<void()> updateCallback) {
auto mask = topicJumpRippleMask(topicJumpCache);
if (mask.isNull()) {
return;
}
_ripple = std::make_unique<Ui::RippleAnimation>(
st::dialogsRipple,
std::move(mask),
std::move(updateCallback));
_ripple->add(origin);
}
void TopicsView::stopLastRipple() {
if (_ripple) {
_ripple->lastStop();
}
}
void TopicsView::paintRipple(
QPainter &p,
int x,
int y,
int outerWidth,
const QColor *colorOverride) const {
if (_ripple) {
_ripple->paint(p, x, y, outerWidth, colorOverride);
if (_ripple->empty()) {
_ripple.reset();
}
}
}
QImage TopicsView::topicJumpRippleMask(
not_null<TopicJumpCache*> topicJumpCache) const {
const auto &st = st::forumDialogRow;
const auto area1 = _lastTopicJumpGeometry.area1;
if (area1.isEmpty()) {
return QImage();
}
const auto area2 = _lastTopicJumpGeometry.area2;
const auto drawer = [&](QPainter &p) {
const auto white = style::complex_color([] { return Qt::white; });
// p.setOpacity(.1);
FillJumpToLastPrepared(p, {
.st = &st,
.corners = &topicJumpCache->rippleMask,
.bg = white.color(),
.prepared = _lastTopicJumpGeometry,
});
};
return Ui::RippleAnimation::MaskByDrawer(
QRect(0, 0, 1, 1).united(area1).united(area2).size(),
false,
drawer);
}
JumpToLastGeometry FillJumpToLastBg(QPainter &p, JumpToLastBg context) {
const auto availableWidth = context.geometry.width();
const auto use1 = std::min(context.width1, availableWidth);
const auto use2 = std::min(context.width2, availableWidth);
const auto padding = st::forumDialogJumpPadding;
const auto origin = context.geometry.topLeft();
const auto delta = std::abs(use1 - use2);
if (delta <= context.st->topicsSkip / 2) {
const auto w = std::max(use1, use2);
const auto h = context.st->topicsHeight + st::normalFont->height;
const auto fill = QRect(origin, QSize(w, h));
const auto full = fill.marginsAdded(padding);
auto result = JumpToLastGeometry{ full };
FillJumpToLastPrepared(p, {
.st = context.st,
.corners = context.corners,
.bg = context.bg,
.prepared = result,
});
return result;
}
const auto h1 = context.st->topicsHeight;
const auto h2 = st::normalFont->height;
const auto rect1 = QRect(origin, QSize(use1, h1));
const auto fill1 = rect1.marginsAdded({
padding.left(),
padding.top(),
padding.right(),
(use1 < use2 ? -padding.top() : padding.bottom()),
});
const auto add = QPoint(0, h1);
const auto rect2 = QRect(origin + add, QSize(use2, h2));
const auto fill2 = rect2.marginsAdded({
padding.left(),
(use2 < use1 ? -padding.bottom() : padding.top()),
padding.right(),
padding.bottom(),
});
auto result = JumpToLastGeometry{ fill1, fill2 };
FillJumpToLastPrepared(p, {
.st = context.st,
.corners = context.corners,
.bg = context.bg,
.prepared = result,
});
return result;
}
void FillJumpToLastPrepared(QPainter &p, JumpToLastPrepared context) {
auto &normal = context.corners->normal;
auto &inverted = context.corners->inverted;
auto &small = context.corners->small;
const auto radius = st::forumDialogJumpRadius;
const auto &bg = context.bg;
const auto area1 = context.prepared.area1;
const auto area2 = context.prepared.area2;
if (area2.isNull()) {
if (normal.p[0].isNull()) {
normal = Ui::PrepareCornerPixmaps(radius, bg);
}
Ui::FillRoundRect(p, area1, bg, normal);
return;
}
const auto width1 = area1.width();
const auto width2 = area2.width();
const auto delta = std::abs(width1 - width2);
const auto h1 = context.st->topicsHeight;
const auto h2 = st::normalFont->height;
const auto hmin = std::min(h1, h2);
const auto wantedInvertedRadius = hmin - radius;
const auto invertedr = std::min(wantedInvertedRadius, delta / 2);
const auto smallr = std::min(radius, delta - invertedr);
const auto smallkey = (width1 < width2) ? smallr : (-smallr);
if (normal.p[0].isNull()) {
normal = Ui::PrepareCornerPixmaps(radius, bg);
}
if (inverted.p[0].isNull()
|| context.corners->invertedRadius != invertedr) {
context.corners->invertedRadius = invertedr;
inverted = Ui::PrepareInvertedCornerPixmaps(invertedr, bg);
}
if (smallr != radius
&& (small.isNull() || context.corners->smallKey != smallkey)) {
context.corners->smallKey = smallr;
auto pixmaps = Ui::PrepareCornerPixmaps(smallr, bg);
small = pixmaps.p[(width1 < width2) ? 1 : 3];
}
auto no1 = normal;
no1.p[2] = QPixmap();
if (width1 < width2) {
no1.p[3] = QPixmap();
} else if (smallr != radius) {
no1.p[3] = small;
}
Ui::FillRoundRect(p, area1, bg, no1);
if (width1 < width2) {
p.drawPixmap(
area1.x() + width1,
area1.y() + area1.height() - invertedr,
inverted.p[3]);
}
auto no2 = normal;
no2.p[0] = QPixmap();
if (width2 < width1) {
no2.p[1] = QPixmap();
} else if (smallr != radius) {
no2.p[1] = small;
}
Ui::FillRoundRect(p, area2, bg, no2);
if (width2 < width1) {
p.drawPixmap(
area2.x() + width2,
area2.y(),
inverted.p[0]);
}
}
} // namespace Dialogs::Ui