114 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			114 lines
		
	
	
	
		
			2.7 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/search_field_controller.h"
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#include "styles/style_widgets.h"
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#include "ui/wrap/padding_wrap.h"
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#include "ui/widgets/input_fields.h"
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#include "ui/widgets/shadow.h"
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#include "ui/widgets/buttons.h"
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#include "lang/lang_keys.h"
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namespace Ui {
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SearchFieldController::SearchFieldController(const QString &query)
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: _query(query) {
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}
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auto SearchFieldController::createRowView(
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		QWidget *parent,
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		const style::SearchFieldRow &st) -> RowView {
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	auto result = base::make_unique_q<Ui::FixedHeightWidget>(
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		parent,
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		st.height);
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	auto wrap = result.get();
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	auto field = createField(wrap, st.field).release();
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	field->show();
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	field->connect(field, &Ui::InputField::cancelled, [=] {
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		field->setText(QString());
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	});
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	auto cancel = CreateChild<Ui::CrossButton>(
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		wrap,
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		st.fieldCancel);
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	cancel->addClickHandler([=] {
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		field->setText(QString());
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	});
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	queryValue(
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	) | rpl::map([](const QString &value) {
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		return !value.isEmpty();
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	}) | rpl::start_with_next([cancel](bool shown) {
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		cancel->toggle(shown, anim::type::normal);
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	}, cancel->lifetime());
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	cancel->finishAnimating();
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	auto shadow = CreateChild<Ui::PlainShadow>(wrap);
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	shadow->show();
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	wrap->widthValue(
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	) | rpl::start_with_next([=, &st](int newWidth) {
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		auto availableWidth = newWidth
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			- st.fieldIconSkip
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			- st.fieldCancelSkip;
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		field->setGeometryToLeft(
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			st.padding.left() + st.fieldIconSkip,
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			st.padding.top(),
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			availableWidth,
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			field->height());
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		cancel->moveToRight(0, 0);
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		shadow->setGeometry(
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			0,
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			st.height - st::lineWidth,
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			newWidth,
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			st::lineWidth);
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	}, wrap->lifetime());
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	wrap->paintRequest(
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	) | rpl::start_with_next([=, &st] {
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		Painter p(wrap);
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		st.fieldIcon.paint(
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			p,
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			st.padding.left(),
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			st.padding.top(),
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			wrap->width());
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	}, wrap->lifetime());
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	_view.release();
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	_view.reset(wrap);
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	return { std::move(result), field };
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}
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QString SearchFieldController::query() const {
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	return _query.current();
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}
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rpl::producer<QString> SearchFieldController::queryValue() const {
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	return _query.value();
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}
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rpl::producer<QString> SearchFieldController::queryChanges() const {
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	return _query.changes();
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}
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base::unique_qptr<Ui::InputField> SearchFieldController::createField(
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		QWidget *parent,
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		const style::InputField &st) {
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	auto result = base::make_unique_q<Ui::InputField>(
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		parent,
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		st,
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		tr::lng_dlg_filter(),
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		_query.current());
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	auto field = result.get();
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	field->connect(field, &Ui::InputField::changed, [=] {
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		_query = field->getLastText();
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	});
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	_view.reset(field);
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	return result;
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}
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} // namespace Ui
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