128 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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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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base::unique_qptr<Ui::RpWidget> SearchFieldController::createRowView(
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		QWidget *parent,
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		const style::SearchFieldRow &st) {
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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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		})
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		| rpl::start_with_next([cancel](bool shown) {
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			cancel->toggleAnimated(shown);
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		}, cancel->lifetime());
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	cancel->finishAnimations();
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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);
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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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		langFactory(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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