624 lines
18 KiB
C++
624 lines
18 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "ui/chat/choose_theme_controller.h"
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#include "ui/rp_widget.h"
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#include "ui/widgets/shadow.h"
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#include "ui/widgets/labels.h"
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#include "ui/widgets/buttons.h"
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#include "ui/chat/chat_theme.h"
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#include "ui/chat/message_bubble.h"
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#include "ui/wrap/vertical_layout.h"
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#include "main/main_session.h"
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#include "window/window_session_controller.h"
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#include "window/themes/window_theme.h"
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#include "data/data_session.h"
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#include "data/data_peer.h"
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#include "data/data_cloud_themes.h"
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#include "data/data_document.h"
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#include "data/data_document_media.h"
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#include "lang/lang_keys.h"
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#include "apiwrap.h"
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#include "styles/style_widgets.h"
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#include "styles/style_layers.h" // boxTitle.
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#include "styles/style_settings.h"
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#include "styles/style_window.h"
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#include <QtWidgets/QApplication>
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namespace Ui {
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namespace {
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constexpr auto kDisableElement = "disable"_cs;
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[[nodiscard]] QImage GeneratePreview(not_null<Ui::ChatTheme*> theme) {
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const auto &background = theme->background();
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const auto &colors = background.colors;
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const auto size = st::settingsThemePreviewSize;
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auto prepared = background.prepared;
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const auto paintPattern = [&](QPainter &p, bool inverted) {
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if (prepared.isNull()) {
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return;
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}
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const auto w = prepared.width();
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const auto h = prepared.height();
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const auto scaled = size.scaled(
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st::windowMinWidth / 2,
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st::windowMinHeight / 2,
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Qt::KeepAspectRatio);
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const auto use = (scaled.width() > w || scaled.height() > h)
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? scaled.scaled({ w, h }, Qt::KeepAspectRatio)
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: scaled;
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const auto good = QSize(
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std::max(use.width(), 1),
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std::max(use.height(), 1));
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auto small = prepared.copy(QRect(
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QPoint(
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(w - good.width()) / 2,
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(h - good.height()) / 2),
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good));
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if (inverted) {
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small = Ui::InvertPatternImage(std::move(small));
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}
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p.drawImage(
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QRect(QPoint(), size * style::DevicePixelRatio()),
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small);
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};
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const auto fullsize = size * style::DevicePixelRatio();
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auto result = background.waitingForNegativePattern()
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? QImage(
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fullsize,
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QImage::Format_ARGB32_Premultiplied)
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: Ui::GenerateBackgroundImage(
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fullsize,
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colors.empty() ? std::vector{ 1, QColor(0, 0, 0) } : colors,
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background.gradientRotation,
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background.patternOpacity,
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paintPattern);
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if (background.waitingForNegativePattern()) {
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result.fill(Qt::black);
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}
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result.setDevicePixelRatio(style::DevicePixelRatio());
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{
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auto p = QPainter(&result);
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const auto sent = QRect(
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QPoint(
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(size.width()
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- st::settingsThemeBubbleSize.width()
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- st::settingsThemeBubblePosition.x()),
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st::settingsThemeBubblePosition.y()),
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st::settingsThemeBubbleSize);
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const auto received = QRect(
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st::settingsThemeBubblePosition.x(),
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sent.y() + sent.height() + st::settingsThemeBubbleSkip,
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sent.width(),
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sent.height());
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const auto radius = st::settingsThemeBubbleRadius;
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PainterHighQualityEnabler hq(p);
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p.setPen(Qt::NoPen);
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if (const auto pattern = theme->bubblesBackgroundPattern()) {
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auto bubble = pattern->pixmap.toImage().scaled(
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sent.size() * style::DevicePixelRatio(),
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Qt::IgnoreAspectRatio,
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Qt::SmoothTransformation
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).convertToFormat(QImage::Format_ARGB32_Premultiplied);
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const auto corners = Images::CornersMask(radius);
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p.drawImage(sent, Images::Round(std::move(bubble), corners));
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} else {
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p.setBrush(theme->palette()->msgOutBg()->c);
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p.drawRoundedRect(sent, radius, radius);
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}
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p.setBrush(theme->palette()->msgInBg()->c);
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p.drawRoundedRect(received, radius, radius);
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}
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return Images::Round(std::move(result), ImageRoundRadius::Large);
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}
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[[nodiscard]] QImage GenerateEmptyPreview() {
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auto result = QImage(
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st::settingsThemePreviewSize * style::DevicePixelRatio(),
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QImage::Format_ARGB32_Premultiplied);
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result.fill(st::settingsThemeNotSupportedBg->c);
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result.setDevicePixelRatio(style::DevicePixelRatio());
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{
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auto p = QPainter(&result);
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p.setPen(st::menuIconFg);
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p.setFont(st::semiboldFont);
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const auto top = st::normalFont->height / 2;
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const auto width = st::settingsThemePreviewSize.width();
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const auto height = st::settingsThemePreviewSize.height() - top;
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p.drawText(
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QRect(0, top, width, height),
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tr::lng_chat_theme_none(tr::now),
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style::al_top);
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}
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return Images::Round(std::move(result), ImageRoundRadius::Large);
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}
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} // namespace
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struct ChooseThemeController::Entry {
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Ui::ChatThemeKey key;
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std::shared_ptr<Ui::ChatTheme> theme;
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std::shared_ptr<Data::DocumentMedia> media;
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QImage preview;
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EmojiPtr emoji = nullptr;
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QRect geometry;
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bool chosen = false;
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};
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ChooseThemeController::ChooseThemeController(
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not_null<RpWidget*> parent,
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not_null<Window::SessionController*> window,
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not_null<PeerData*> peer)
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: _controller(window)
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, _peer(peer)
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, _wrap(std::make_unique<VerticalLayout>(parent))
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, _topShadow(std::make_unique<PlainShadow>(parent))
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, _content(_wrap->add(object_ptr<RpWidget>(_wrap.get())))
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, _inner(CreateChild<RpWidget>(_content.get()))
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, _dark(Window::Theme::IsThemeDarkValue()) {
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init(parent->sizeValue());
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}
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ChooseThemeController::~ChooseThemeController() {
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_controller->clearPeerThemeOverride(_peer);
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}
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void ChooseThemeController::init(rpl::producer<QSize> outer) {
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using namespace rpl::mappers;
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const auto themes = &_controller->session().data().cloudThemes();
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const auto &list = themes->chatThemes();
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if (!list.empty()) {
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fill(list);
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} else {
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themes->refreshChatThemes();
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themes->chatThemesUpdated(
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) | rpl::take(1) | rpl::start_with_next([=] {
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fill(themes->chatThemes());
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}, lifetime());
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}
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const auto skip = st::normalFont->spacew * 4;
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const auto titleWrap = _wrap->insert(
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0,
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object_ptr<FixedHeightWidget>(
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_wrap.get(),
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skip + st::boxTitle.style.font->height + skip));
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auto title = CreateChild<FlatLabel>(
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titleWrap,
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tr::lng_chat_theme_title(),
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st::boxTitle);
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_wrap->paintRequest(
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) | rpl::start_with_next([=](QRect clip) {
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QPainter(_wrap.get()).fillRect(clip, st::windowBg);
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}, lifetime());
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initButtons();
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initList();
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_inner->positionValue(
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) | rpl::start_with_next([=](QPoint position) {
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title->move(std::max(position.x(), skip) + skip, skip);
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}, title->lifetime());
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std::move(
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outer
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) | rpl::start_with_next([=](QSize outer) {
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_wrap->resizeToWidth(outer.width());
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_wrap->move(0, outer.height() - _wrap->height());
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const auto line = st::lineWidth;
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_topShadow->setGeometry(0, _wrap->y() - line, outer.width(), line);
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}, lifetime());
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rpl::combine(
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_shouldBeShown.value(),
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_forceHidden.value(),
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_1 && !_2
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) | rpl::start_with_next([=](bool shown) {
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_wrap->setVisible(shown);
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_topShadow->setVisible(shown);
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}, lifetime());
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}
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void ChooseThemeController::initButtons() {
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const auto controls = _wrap->add(object_ptr<RpWidget>(_wrap.get()));
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const auto cancel = CreateChild<RoundButton>(
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controls,
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tr::lng_cancel(),
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st::defaultLightButton);
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const auto apply = CreateChild<RoundButton>(
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controls,
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tr::lng_chat_theme_apply(),
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st::defaultActiveButton);
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const auto skip = st::normalFont->spacew * 2;
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controls->resize(
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skip + cancel->width() + skip + apply->width() + skip,
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apply->height() + skip * 2);
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rpl::combine(
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controls->widthValue(),
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cancel->widthValue(),
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apply->widthValue()
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) | rpl::start_with_next([=](
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int outer,
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int cancelWidth,
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int applyWidth) {
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const auto inner = skip + cancelWidth + skip + applyWidth + skip;
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const auto left = (outer - inner) / 2;
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cancel->moveToLeft(left, 0);
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apply->moveToRight(left, 0);
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}, controls->lifetime());
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cancel->setClickedCallback([=] { close(); });
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apply->setClickedCallback([=] {
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if (const auto chosen = findChosen()) {
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if (Ui::Emoji::Find(_peer->themeEmoji()) != chosen->emoji) {
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const auto now = chosen->key ? _chosen : QString();
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_peer->setThemeEmoji(now);
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if (chosen->theme) {
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// Remember while changes propagate through event loop.
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_controller->pushLastUsedChatTheme(chosen->theme);
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}
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const auto api = &_peer->session().api();
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api->request(MTPmessages_SetChatTheme(
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_peer->input,
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MTP_string(now)
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)).done([=](const MTPUpdates &result) {
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api->applyUpdates(result);
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}).send();
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}
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}
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_controller->toggleChooseChatTheme(_peer);
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});
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}
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void ChooseThemeController::paintEntry(QPainter &p, const Entry &entry) {
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const auto geometry = entry.geometry;
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p.drawImage(geometry, entry.preview);
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const auto size = Ui::Emoji::GetSizeLarge();
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const auto factor = style::DevicePixelRatio();
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const auto emojiLeft = geometry.x()
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+ (geometry.width() - (size / factor)) / 2;
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const auto emojiTop = geometry.y()
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+ geometry.height()
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- (size / factor)
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- (st::normalFont->spacew * 2);
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Ui::Emoji::Draw(p, entry.emoji, size, emojiLeft, emojiTop);
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if (entry.chosen) {
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auto hq = PainterHighQualityEnabler(p);
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auto pen = st::activeLineFg->p;
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const auto width = st::defaultFlatInput.borderWidth;
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pen.setWidth(width);
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p.setPen(pen);
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const auto add = st::lineWidth + width;
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p.drawRoundedRect(
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entry.geometry.marginsAdded({ add, add, add, add }),
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st::roundRadiusLarge + add,
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st::roundRadiusLarge + add);
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}
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}
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void ChooseThemeController::initList() {
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_content->resize(
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_content->width(),
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8 * st::normalFont->spacew + st::settingsThemePreviewSize.height());
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_inner->setMouseTracking(true);
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_inner->paintRequest(
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) | rpl::start_with_next([=](QRect clip) {
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auto p = QPainter(_inner.get());
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for (const auto &entry : _entries) {
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if (entry.preview.isNull() || !clip.intersects(entry.geometry)) {
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continue;
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}
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paintEntry(p, entry);
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}
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}, lifetime());
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const auto byPoint = [=](QPoint position) -> Entry* {
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for (auto &entry : _entries) {
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if (entry.geometry.contains(position)) {
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return &entry;
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}
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}
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return nullptr;
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};
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const auto chosenText = [=](const Entry *entry) {
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if (!entry) {
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return QString();
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} else if (entry->key) {
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return entry->emoji->text();
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} else {
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return kDisableElement.utf16();
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}
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};
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_inner->events(
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) | rpl::start_with_next([=](not_null<QEvent*> event) {
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const auto type = event->type();
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if (type == QEvent::MouseMove) {
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const auto mouse = static_cast<QMouseEvent*>(event.get());
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const auto skip = _inner->width() - _content->width();
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if (skip <= 0) {
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_dragStartPosition = _pressPosition = std::nullopt;
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} else if (_pressPosition.has_value()
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&& ((mouse->globalPos() - *_pressPosition).manhattanLength()
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>= QApplication::startDragDistance())) {
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_dragStartPosition = base::take(_pressPosition);
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_dragStartInnerLeft = _inner->x();
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}
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if (_dragStartPosition.has_value()) {
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const auto shift = mouse->globalPos().x()
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- _dragStartPosition->x();
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updateInnerLeft(_dragStartInnerLeft + shift);
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} else {
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_inner->setCursor(byPoint(mouse->pos())
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? style::cur_pointer
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: style::cur_default);
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}
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} else if (type == QEvent::MouseButtonPress) {
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const auto mouse = static_cast<QMouseEvent*>(event.get());
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if (mouse->button() == Qt::LeftButton) {
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_pressPosition = mouse->globalPos();
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}
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_pressed = chosenText(byPoint(mouse->pos()));
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} else if (type == QEvent::MouseButtonRelease) {
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_pressPosition = _dragStartPosition = std::nullopt;
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const auto mouse = static_cast<QMouseEvent*>(event.get());
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const auto entry = byPoint(mouse->pos());
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const auto chosen = chosenText(entry);
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if (entry && chosen == _pressed && chosen != _chosen) {
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clearCurrentBackgroundState();
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if (const auto was = findChosen()) {
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was->chosen = false;
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}
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_chosen = chosen;
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entry->chosen = true;
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if (entry->theme || !entry->key) {
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_controller->overridePeerTheme(_peer, entry->theme);
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}
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_inner->update();
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}
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_pressed = QString();
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} else if (type == QEvent::Wheel) {
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const auto wheel = static_cast<QWheelEvent*>(event.get());
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const auto was = _inner->x();
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updateInnerLeft((wheel->angleDelta().x() != 0)
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? (was + (wheel->pixelDelta().x()
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? wheel->pixelDelta().x()
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: wheel->angleDelta().x()))
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: (wheel->angleDelta().y() != 0)
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? (was + (wheel->pixelDelta().y()
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? wheel->pixelDelta().y()
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: wheel->angleDelta().y()))
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: was);
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}
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}, lifetime());
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_content->events(
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) | rpl::start_with_next([=](not_null<QEvent*> event) {
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const auto type = event->type();
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if (type == QEvent::KeyPress) {
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const auto key = static_cast<QKeyEvent*>(event.get());
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if (key->key() == Qt::Key_Escape) {
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close();
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}
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}
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}, lifetime());
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rpl::combine(
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_content->widthValue(),
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_inner->widthValue()
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) | rpl::start_with_next([=](int content, int inner) {
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if (!content || !inner) {
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return;
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} else if (!_entries.empty() && !_initialInnerLeftApplied) {
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applyInitialInnerLeft();
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} else {
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updateInnerLeft(_inner->x());
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}
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}, lifetime());
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}
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void ChooseThemeController::applyInitialInnerLeft() {
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if (const auto chosen = findChosen()) {
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updateInnerLeft(
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_content->width() / 2 - chosen->geometry.center().x());
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}
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_initialInnerLeftApplied = true;
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}
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void ChooseThemeController::updateInnerLeft(int now) {
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const auto skip = _content->width() - _inner->width();
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const auto clamped = (skip >= 0)
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? (skip / 2)
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: std::clamp(now, skip, 0);
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_inner->move(clamped, 0);
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}
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void ChooseThemeController::close() {
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if (const auto chosen = findChosen()) {
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if (Ui::Emoji::Find(_peer->themeEmoji()) != chosen->emoji) {
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clearCurrentBackgroundState();
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}
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}
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_controller->toggleChooseChatTheme(_peer);
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}
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void ChooseThemeController::clearCurrentBackgroundState() {
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if (const auto entry = findChosen()) {
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if (entry->theme) {
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entry->theme->clearBackgroundState();
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}
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}
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}
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auto ChooseThemeController::findChosen() -> Entry* {
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if (_chosen.isEmpty()) {
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return nullptr;
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}
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for (auto &entry : _entries) {
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if (!entry.key && _chosen == kDisableElement.utf16()) {
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return &entry;
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} else if (_chosen == entry.emoji->text()) {
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return &entry;
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}
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}
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return nullptr;
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}
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auto ChooseThemeController::findChosen() const -> const Entry* {
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return const_cast<ChooseThemeController*>(this)->findChosen();
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}
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void ChooseThemeController::fill(
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const std::vector<Data::CloudTheme> &themes) {
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if (themes.empty()) {
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return;
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}
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const auto count = int(themes.size()) + 1;
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const auto single = st::settingsThemePreviewSize;
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const auto skip = st::normalFont->spacew * 2;
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const auto full = single.width() * count + skip * (count + 3);
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_inner->resize(full, skip + single.height() + skip);
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const auto initial = Ui::Emoji::Find(_peer->themeEmoji());
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_dark.value(
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) | rpl::start_with_next([=](bool dark) {
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clearCurrentBackgroundState();
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if (_chosen.isEmpty() && initial) {
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_chosen = initial->text();
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}
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_cachingLifetime.destroy();
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const auto old = base::take(_entries);
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auto x = skip * 2;
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_entries.push_back({
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.preview = GenerateEmptyPreview(),
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.emoji = Ui::Emoji::Find(QString::fromUtf8("\xe2\x9d\x8c")),
|
|
.geometry = QRect(QPoint(x, skip), single),
|
|
.chosen = (_chosen == kDisableElement.utf16()),
|
|
});
|
|
Assert(_entries.front().emoji != nullptr);
|
|
style::PaletteChanged(
|
|
) | rpl::start_with_next([=] {
|
|
_entries.front().preview = GenerateEmptyPreview();
|
|
}, _cachingLifetime);
|
|
|
|
const auto type = dark
|
|
? Data::CloudThemeType::Dark
|
|
: Data::CloudThemeType::Light;
|
|
|
|
x += single.width() + skip;
|
|
for (const auto &theme : themes) {
|
|
const auto emoji = Ui::Emoji::Find(theme.emoticon);
|
|
if (!emoji || !theme.settings.contains(type)) {
|
|
continue;
|
|
}
|
|
const auto key = ChatThemeKey{ theme.id, dark };
|
|
const auto isChosen = (_chosen == emoji->text());
|
|
_entries.push_back({
|
|
.key = key,
|
|
.emoji = emoji,
|
|
.geometry = QRect(QPoint(x, skip), single),
|
|
.chosen = isChosen,
|
|
});
|
|
_controller->cachedChatThemeValue(
|
|
theme,
|
|
type
|
|
) | rpl::filter([=](const std::shared_ptr<ChatTheme> &data) {
|
|
return data && (data->key() == key);
|
|
}) | rpl::take(
|
|
1
|
|
) | rpl::start_with_next([=](std::shared_ptr<ChatTheme> &&data) {
|
|
const auto key = data->key();
|
|
const auto i = ranges::find(_entries, key, &Entry::key);
|
|
if (i == end(_entries)) {
|
|
return;
|
|
}
|
|
const auto theme = data.get();
|
|
i->theme = std::move(data);
|
|
i->preview = GeneratePreview(theme);
|
|
if (_chosen == i->emoji->text()) {
|
|
_controller->overridePeerTheme(_peer, i->theme);
|
|
}
|
|
_inner->update();
|
|
|
|
if (!theme->background().isPattern
|
|
|| !theme->background().prepared.isNull()) {
|
|
return;
|
|
}
|
|
// Subscribe to pattern loading if needed.
|
|
theme->repaintBackgroundRequests(
|
|
) | rpl::filter([=] {
|
|
const auto i = ranges::find(
|
|
_entries,
|
|
key,
|
|
&Entry::key);
|
|
return (i == end(_entries))
|
|
|| !i->theme->background().prepared.isNull();
|
|
}) | rpl::take(1) | rpl::start_with_next([=] {
|
|
const auto i = ranges::find(
|
|
_entries,
|
|
key,
|
|
&Entry::key);
|
|
if (i == end(_entries)) {
|
|
return;
|
|
}
|
|
i->preview = GeneratePreview(theme);
|
|
_inner->update();
|
|
}, _cachingLifetime);
|
|
}, _cachingLifetime);
|
|
x += single.width() + skip;
|
|
}
|
|
|
|
if (!_initialInnerLeftApplied && _content->width() > 0) {
|
|
applyInitialInnerLeft();
|
|
}
|
|
}, lifetime());
|
|
_shouldBeShown = true;
|
|
}
|
|
|
|
bool ChooseThemeController::shouldBeShown() const {
|
|
return _shouldBeShown.current();
|
|
}
|
|
|
|
rpl::producer<bool> ChooseThemeController::shouldBeShownValue() const {
|
|
return _shouldBeShown.value();
|
|
}
|
|
|
|
int ChooseThemeController::height() const {
|
|
return shouldBeShown() ? _wrap->height() : 0;
|
|
}
|
|
|
|
void ChooseThemeController::hide() {
|
|
_forceHidden = true;
|
|
}
|
|
|
|
void ChooseThemeController::show() {
|
|
_forceHidden = false;
|
|
}
|
|
|
|
void ChooseThemeController::raise() {
|
|
_wrap->raise();
|
|
_topShadow->raise();
|
|
}
|
|
|
|
void ChooseThemeController::setFocus() {
|
|
_content->setFocus();
|
|
}
|
|
|
|
rpl::lifetime &ChooseThemeController::lifetime() {
|
|
return _wrap->lifetime();
|
|
}
|
|
|
|
} // namespace Ui
|