76 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			2.5 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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| 
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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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| 
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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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| 
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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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| 
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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 "profile/profile_back_button.h"
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| 
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| #include "window/top_bar_widget.h"
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| #include "styles/style_widgets.h"
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| #include "styles/style_window.h"
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| #include "styles/style_profile.h"
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| 
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| namespace Profile {
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| 
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| BackButton::BackButton(QWidget *parent, const QString &text) : Ui::AbstractButton(parent)
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| , _text(text.toUpper()) {
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| 	setCursor(style::cur_pointer);
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| 
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| 	subscribe(Adaptive::Changed(), [this] { updateAdaptiveLayout(); });
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| 	updateAdaptiveLayout();
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| }
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| 
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| void BackButton::setText(const QString &text) {
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| 	_text = text.toUpper();
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| 	update();
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| }
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| 
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| int BackButton::resizeGetHeight(int newWidth) {
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| 	return st::profileTopBarHeight;
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| }
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| 
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| void BackButton::paintEvent(QPaintEvent *e) {
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| 	Painter p(this);
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| 
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| 	p.fillRect(e->rect(), st::profileBg);
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| 	st::topBarBack.paint(p, (st::topBarArrowPadding.left() - st::topBarBack.width()) / 2, (st::topBarHeight - st::topBarBack.height()) / 2, width());
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| 
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| 	p.setFont(st::topBarButton.font);
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| 	p.setPen(st::topBarButton.textFg);
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| 	p.drawTextLeft(st::topBarArrowPadding.left(), st::topBarButton.padding.top() + st::topBarButton.textTop, width(), _text);
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| 
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| 	Window::TopBarWidget::paintUnreadCounter(p, width());
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| }
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| 
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| void BackButton::onStateChanged(State was, StateChangeSource source) {
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| 	if (isDown() && !(was & StateFlag::Down)) {
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| 		emit clicked();
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| 	}
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| }
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| 
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| void BackButton::updateAdaptiveLayout() {
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| 	if (!Adaptive::OneColumn()) {
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| 		unsubscribe(base::take(_unreadCounterSubscription));
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| 	} else if (!_unreadCounterSubscription) {
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| 		_unreadCounterSubscription = subscribe(Global::RefUnreadCounterUpdate(), [this] {
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| 			rtlupdate(0, 0, st::titleUnreadCounterRight, st::titleUnreadCounterTop);
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| 		});
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| 	}
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| }
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| 
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| } // namespace Profile
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