init

Telegram/SourceFiles/dialogs/ui/chat_search_in.cpp

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+/*
+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_in.h"
+
+#include "lang/lang_keys.h"
+#include "ui/effects/ripple_animation.h"
+#include "ui/text/text_utilities.h"
+#include "ui/widgets/buttons.h"
+#include "ui/widgets/popup_menu.h"
+#include "ui/widgets/shadow.h"
+#include "ui/widgets/menu/menu_item_base.h"
+#include "ui/dynamic_image.h"
+#include "ui/painter.h"
+#include "styles/style_dialogs.h"
+#include "styles/style_window.h"
+
+namespace Dialogs {
+namespace {
+
+class Action final : public Ui::Menu::ItemBase {
+public:
+	Action(
+		not_null<Ui::PopupMenu*> parentMenu,
+		std::shared_ptr<Ui::DynamicImage> icon,
+		const QString &label,
+		bool chosen);
+	~Action();
+
+	bool isEnabled() const override;
+	not_null<QAction*> action() const override;
+
+	void handleKeyPress(not_null<QKeyEvent*> e) override;
+
+protected:
+	QPoint prepareRippleStartPosition() const override;
+	QImage prepareRippleMask() const override;
+
+	int contentHeight() const override;
+
+private:
+	void paint(Painter &p);
+
+	void resolveMinWidth();
+	void refreshDimensions();
+
+	const not_null<Ui::PopupMenu*> _parentMenu;
+	const not_null<QAction*> _dummyAction;
+	const style::Menu &_st;
+	const int _height = 0;
+
+	std::shared_ptr<Ui::DynamicImage> _icon;
+	Ui::Text::String _text;
+	bool _checked = false;
+
+};
+
+[[nodiscard]] QString TabLabel(
+		ChatSearchTab tab,
+		ChatSearchPeerTabType type = {}) {
+	switch (tab) {
+	case ChatSearchTab::MyMessages:
+		return tr::lng_search_tab_my_messages(tr::now);
+	case ChatSearchTab::ThisTopic:
+		return tr::lng_search_tab_this_topic(tr::now);
+	case ChatSearchTab::ThisPeer:
+		switch (type) {
+		case ChatSearchPeerTabType::Chat:
+			return tr::lng_search_tab_this_chat(tr::now);
+		case ChatSearchPeerTabType::Channel:
+			return tr::lng_search_tab_this_channel(tr::now);
+		case ChatSearchPeerTabType::Group:
+			return tr::lng_search_tab_this_group(tr::now);
+		}
+		Unexpected("Type in Dialogs::TabLabel.");
+	case ChatSearchTab::PublicPosts:
+		return tr::lng_search_tab_public_posts(tr::now);
+	}
+	Unexpected("Tab in Dialogs::TabLabel.");
+}
+
+Action::Action(
+	not_null<Ui::PopupMenu*> parentMenu,
+	std::shared_ptr<Ui::DynamicImage> icon,
+	const QString &label,
+	bool chosen)
+: ItemBase(parentMenu->menu(), parentMenu->menu()->st())
+, _parentMenu(parentMenu)
+, _dummyAction(CreateChild<QAction>(parentMenu->menu().get()))
+, _st(parentMenu->menu()->st())
+, _height(st::dialogsSearchInHeight)
+, _icon(std::move(icon))
+, _checked(chosen) {
+	const auto parent = parentMenu->menu();
+
+	_text.setText(st::semiboldTextStyle, label);
+	_icon->subscribeToUpdates([=] { update(); });
+
+	initResizeHook(parent->sizeValue());
+	resolveMinWidth();
+
+	paintRequest(
+	) | rpl::on_next([=] {
+		Painter p(this);
+		paint(p);
+	}, lifetime());
+
+	enableMouseSelecting();
+}
+
+Action::~Action() {
+	_icon->subscribeToUpdates(nullptr);
+}
+
+void Action::resolveMinWidth() {
+	const auto maxWidth = st::dialogsSearchInPhotoPadding
+		+ st::dialogsSearchInPhotoSize
+		+ st::dialogsSearchInSkip
+		+ _text.maxWidth()
+		+ st::dialogsSearchInCheckSkip
+		+ st::dialogsSearchInCheck.width()
+		+ st::dialogsSearchInCheckSkip;
+	setMinWidth(maxWidth);
+}
+
+void Action::paint(Painter &p) {
+	const auto enabled = isEnabled();
+	const auto selected = isSelected();
+	if (selected && _st.itemBgOver->c.alpha() < 255) {
+		p.fillRect(0, 0, width(), _height, _st.itemBg);
+	}
+	const auto &bg = selected ? _st.itemBgOver : _st.itemBg;
+	p.fillRect(0, 0, width(), _height, bg);
+	if (enabled) {
+		paintRipple(p, 0, 0);
+	}
+
+	auto x = st::dialogsSearchInPhotoPadding;
+	const auto photos = st::dialogsSearchInPhotoSize;
+	const auto photoy = (height() - photos) / 2;
+	p.drawImage(QRect{ x, photoy, photos, photos }, _icon->image(photos));
+	x += photos + st::dialogsSearchInSkip;
+	const auto available = width()
+		- x
+		- st::dialogsSearchInCheckSkip
+		- st::dialogsSearchInCheck.width()
+		- st::dialogsSearchInCheckSkip;
+
+	p.setPen(!enabled
+		? _st.itemFgDisabled
+		: selected
+		? _st.itemFgOver
+		: _st.itemFg);
+	_text.drawLeftElided(
+		p,
+		x,
+		st::dialogsSearchInNameTop,
+		available,
+		width());
+	x += available;
+	if (_checked) {
+		x += st::dialogsSearchInCheckSkip;
+		const auto &icon = st::dialogsSearchInCheck;
+		const auto icony = (height() - icon.height()) / 2;
+		icon.paint(p, x, icony, width());
+	}
+}
+
+bool Action::isEnabled() const {
+	return true;
+}
+
+not_null<QAction*> Action::action() const {
+	return _dummyAction;
+}
+
+QPoint Action::prepareRippleStartPosition() const {
+	return mapFromGlobal(QCursor::pos());
+}
+
+QImage Action::prepareRippleMask() const {
+	return Ui::RippleAnimation::RectMask(size());
+}
+
+int Action::contentHeight() const {
+	return _height;
+}
+
+void Action::handleKeyPress(not_null<QKeyEvent*> e) {
+	if (!isSelected()) {
+		return;
+	}
+	const auto key = e->key();
+	if (key == Qt::Key_Enter || key == Qt::Key_Return) {
+		setClicked(Ui::Menu::TriggeredSource::Keyboard);
+	}
+}
+
+} // namespace
+
+FixedHashtagSearchQuery FixHashtagSearchQuery(
+		const QString &query,
+		int cursorPosition,
+		HashOrCashtag tag) {
+	const auto trimmed = query.trimmed();
+	const auto hash = int(trimmed.isEmpty()
+		? query.size()
+		: query.indexOf(trimmed));
+	const auto start = std::min(cursorPosition, hash);
+	const auto first = QChar(tag == HashOrCashtag::Cashtag ? '$' : '#');
+	auto result = query.mid(0, start);
+	for (const auto &ch : query.mid(start)) {
+		if (ch.isSpace()) {
+			if (cursorPosition > result.size()) {
+				--cursorPosition;
+			}
+			continue;
+		} else if (result.size() == start) {
+			result += first;
+			if (ch != first) {
+				++cursorPosition;
+			}
+		}
+		if (ch != first) {
+			result += ch;
+		}
+	}
+	if (result.size() == start) {
+		result += first;
+		++cursorPosition;
+	}
+	return { result, cursorPosition };
+}
+
+HashOrCashtag IsHashOrCashtagSearchQuery(const QString &query) {
+	const auto trimmed = query.trimmed();
+	const auto first = trimmed.isEmpty() ? QChar() : trimmed[0];
+	if (first == '#') {
+		for (const auto &ch : trimmed) {
+			if (ch.isSpace()) {
+				return HashOrCashtag::None;
+			}
+		}
+		return HashOrCashtag::Hashtag;
+	} else if (first == '$') {
+		for (auto it = trimmed.begin() + 1; it != trimmed.end(); ++it) {
+			if ((*it) < 'A' || (*it) > 'Z') {
+				return HashOrCashtag::None;
+			}
+		}
+		return HashOrCashtag::Cashtag;
+	}
+	return HashOrCashtag::None;
+}
+
+void ChatSearchIn::Section::update() {
+	outer->update();
+}
+
+ChatSearchIn::ChatSearchIn(QWidget *parent)
+: RpWidget(parent) {
+	_in.clicks.events() | rpl::on_next([=] {
+		showMenu();
+	}, lifetime());
+}
+
+ChatSearchIn::~ChatSearchIn() = default;
+
+void ChatSearchIn::apply(
+		std::vector<PossibleTab> tabs,
+		ChatSearchTab active,
+		ChatSearchPeerTabType peerTabType,
+		std::shared_ptr<Ui::DynamicImage> fromUserpic,
+		QString fromName) {
+	_tabs = std::move(tabs);
+	_peerTabType = peerTabType;
+	_active = active;
+	const auto i = ranges::find(_tabs, active, &PossibleTab::tab);
+	Assert(i != end(_tabs));
+	Assert(i->icon != nullptr);
+	updateSection(
+		&_in,
+		i->icon->clone(),
+		tr::semibold(TabLabel(active, peerTabType)));
+
+	auto text = tr::lng_dlg_search_from(
+		tr::now,
+		lt_user,
+		tr::semibold(fromName),
+		tr::marked);
+	updateSection(&_from, std::move(fromUserpic), std::move(text));
+
+	resizeToWidth(width());
+}
+
+rpl::producer<> ChatSearchIn::cancelInRequests() const {
+	return _in.cancelRequests.events();
+}
+
+rpl::producer<> ChatSearchIn::cancelFromRequests() const {
+	return _from.cancelRequests.events();
+}
+
+rpl::producer<> ChatSearchIn::changeFromRequests() const {
+	return _from.clicks.events();
+}
+
+rpl::producer<ChatSearchTab> ChatSearchIn::tabChanges() const {
+	return _active.changes();
+}
+
+void ChatSearchIn::showMenu() {
+	_menu = base::make_unique_q<Ui::PopupMenu>(
+		this,
+		st::dialogsSearchInMenu);
+	const auto active = _active.current();
+	auto activeIndex = 0;
+	for (const auto &tab : _tabs) {
+		if (!tab.icon) {
+			continue;
+		}
+		const auto value = tab.tab;
+		if (value == active) {
+			activeIndex = _menu->actions().size();
+		}
+		auto action = base::make_unique_q<Action>(
+			_menu.get(),
+			tab.icon,
+			TabLabel(value, _peerTabType),
+			(value == active));
+		action->setClickedCallback([=] {
+			_active = value;
+		});
+		_menu->addAction(std::move(action));
+	}
+	const auto count = int(_menu->actions().size());
+	const auto bottomLeft = (activeIndex * 2 >= count);
+	const auto single = st::dialogsSearchInHeight;
+	const auto in = mapToGlobal(_in.outer->pos()
+		+ QPoint(0, bottomLeft ? count * single : 0));
+	_menu->setForcedOrigin(bottomLeft
+		? Ui::PanelAnimation::Origin::BottomLeft
+		: Ui::PanelAnimation::Origin::TopLeft);
+	if (_menu->prepareGeometryFor(in)) {
+		_menu->move(_menu->pos() - QPoint(_menu->inner().x(), activeIndex * single));
+		_menu->popupPrepared();
+	}
+}
+
+void ChatSearchIn::paintEvent(QPaintEvent *e) {
+	auto p = Painter(this);
+	const auto top = QRect(0, 0, width(), st::searchedBarHeight);
+	p.fillRect(top, st::searchedBarBg);
+	p.fillRect(rect().translated(0, st::searchedBarHeight), st::dialogsBg);
+
+	p.setFont(st::searchedBarFont);
+	p.setPen(st::searchedBarFg);
+	p.drawTextLeft(
+		st::searchedBarPosition.x(),
+		st::searchedBarPosition.y(),
+		width(),
+		tr::lng_dlg_search_in(tr::now));
+}
+
+int ChatSearchIn::resizeGetHeight(int newWidth) {
+	auto result = st::searchedBarHeight;
+	if (const auto raw = _in.outer.get()) {
+		raw->resizeToWidth(newWidth);
+		raw->move(0, result);
+		result += raw->height();
+		_in.shadow->setGeometry(0, result, newWidth, st::lineWidth);
+		result += st::lineWidth;
+	}
+	if (const auto raw = _from.outer.get()) {
+		raw->resizeToWidth(newWidth);
+		raw->move(0, result);
+		result += raw->height();
+		_from.shadow->setGeometry(0, result, newWidth, st::lineWidth);
+		result += st::lineWidth;
+	}
+	return result;
+}
+
+void ChatSearchIn::updateSection(
+		not_null<Section*> section,
+		std::shared_ptr<Ui::DynamicImage> image,
+		TextWithEntities text) {
+	if (section->subscribed) {
+		section->image->subscribeToUpdates(nullptr);
+		section->subscribed = false;
+	}
+	if (!image) {
+		if (section->outer) {
+			section->cancel = nullptr;
+			section->shadow = nullptr;
+			section->outer = nullptr;
+			section->subscribed = false;
+		}
+		return;
+	} else if (!section->outer) {
+		auto button = std::make_unique<Ui::AbstractButton>(this);
+		const auto raw = button.get();
+		section->outer = std::move(button);
+
+		raw->resize(
+			st::columnMinimalWidthLeft,
+			st::dialogsSearchInHeight);
+
+		raw->paintRequest() | rpl::on_next([=] {
+			auto p = QPainter(raw);
+			if (!section->subscribed) {
+				section->subscribed = true;
+				section->image->subscribeToUpdates([=] {
+					raw->update();
+				});
+			}
+			const auto outer = raw->width();
+			const auto size = st::dialogsSearchInPhotoSize;
+			const auto left = st::dialogsSearchInPhotoPadding;
+			const auto top = (st::dialogsSearchInHeight - size) / 2;
+			p.drawImage(
+				QRect{ left, top, size, size },
+				section->image->image(size));
+
+			const auto x = left + size + st::dialogsSearchInSkip;
+			const auto available = outer
+				- st::dialogsSearchInSkip
+				- section->cancel->width()
+				- 2 * st::dialogsSearchInDownSkip
+				- st::dialogsSearchInDown.width()
+				- x;
+			const auto use = std::min(section->text.maxWidth(), available);
+			const auto iconx = x + use + st::dialogsSearchInDownSkip;
+			const auto icony = st::dialogsSearchInDownTop;
+			st::dialogsSearchInDown.paint(p, iconx, icony, outer);
+			p.setPen(st::windowBoldFg);
+			section->text.draw(p, {
+				.position = QPoint(x, st::dialogsSearchInNameTop),
+				.outerWidth = outer,
+				.availableWidth = available,
+				.elisionLines = 1,
+			});
+		}, raw->lifetime());
+
+		section->shadow = std::make_unique<Ui::PlainShadow>(this);
+		section->shadow->show();
+
+		const auto st = &st::dialogsCancelSearchInPeer;
+		section->cancel = std::make_unique<Ui::IconButton>(raw, *st);
+		section->cancel->show();
+		raw->sizeValue() | rpl::on_next([=](QSize size) {
+			const auto left = size.width() - section->cancel->width();
+			const auto top = (size.height() - st->height) / 2;
+			section->cancel->moveToLeft(left, top);
+		}, section->cancel->lifetime());
+		section->cancel->clicks() | rpl::to_empty | rpl::start_to_stream(
+			section->cancelRequests,
+			section->cancel->lifetime());
+
+		raw->clicks() | rpl::to_empty | rpl::start_to_stream(
+			section->clicks,
+			raw->lifetime());
+
+		raw->show();
+	}
+	section->image = std::move(image);
+	section->text.setMarkedText(st::dialogsSearchFromStyle, std::move(text));
+}
+
+} // namespace Dialogs