116 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
	
		
			3.6 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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| 
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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 "settings/settings_layer.h"
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| 
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| #include <rpl/mappers.h>
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| #include "settings/settings_inner_widget.h"
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| #include "settings/settings_fixed_bar.h"
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| #include "styles/style_settings.h"
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| #include "styles/style_window.h"
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| #include "styles/style_boxes.h"
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| #include "ui/widgets/scroll_area.h"
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| #include "ui/widgets/buttons.h"
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| #include "ui/widgets/shadow.h"
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| #include "ui/wrap/fade_wrap.h"
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| #include "mainwindow.h"
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| #include "mainwidget.h"
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| #include "storage/localstorage.h"
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| #include "boxes/confirm_box.h"
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| #include "application.h"
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| #include "core/file_utilities.h"
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| #include "window/themes/window_theme.h"
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| 
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| namespace Settings {
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| 
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| Layer::Layer()
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| : _scroll(this, st::settingsScroll)
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| , _fixedBar(this)
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| , _fixedBarClose(this, st::settingsFixedBarClose)
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| , _fixedBarShadow(this) {
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| 	_fixedBar->moveToLeft(0, st::boxRadius);
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| 	_fixedBarClose->moveToRight(0, 0);
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| 	_fixedBarShadow->entity()->resize(width(), st::lineWidth);
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| 	_fixedBarShadow->moveToLeft(0, _fixedBar->y() + _fixedBar->height());
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| 	_fixedBarShadow->hide(anim::type::instant);
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| 	_scroll->moveToLeft(0, st::settingsFixedBarHeight);
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| 
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| 	using namespace rpl::mappers;
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| 	_fixedBarShadow->toggleOn(_scroll->scrollTopValue()
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| 		| rpl::map(_1 > 0));
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| }
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| 
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| void Layer::setCloseClickHandler(base::lambda<void()> callback) {
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| 	_fixedBarClose->setClickedCallback(std::move(callback));
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| }
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| 
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| void Layer::resizeToWidth(int newWidth, int newContentLeft) {
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| 	// Widget height depends on InnerWidget height, so we
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| 	// resize it here, not in the resizeEvent() handler.
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| 	_inner->resizeToWidth(newWidth, newContentLeft);
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| 
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| 	resizeUsingInnerHeight(newWidth, _inner->height());
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| }
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| 
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| void Layer::doSetInnerWidget(object_ptr<LayerInner> widget) {
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| 	_inner = _scroll->setOwnedWidget(std::move(widget));
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| 	_inner->heightValue(
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| 	) | rpl::start_with_next([this](int innerHeight) {
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| 		resizeUsingInnerHeight(width(), innerHeight);
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| 	}, lifetime());
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| }
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| 
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| void Layer::paintEvent(QPaintEvent *e) {
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| 	Painter p(this);
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| 	auto clip = e->rect();
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| 	if (_roundedCorners) {
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| 		auto paintTopRounded = clip.intersects(QRect(0, 0, width(), st::boxRadius));
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| 		auto paintBottomRounded = clip.intersects(QRect(0, height() - st::boxRadius, width(), st::boxRadius));
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| 		if (paintTopRounded || paintBottomRounded) {
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| 			auto parts = RectPart::None | 0;
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| 			if (paintTopRounded) parts |= RectPart::FullTop;
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| 			if (paintBottomRounded) parts |= RectPart::FullBottom;
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| 			App::roundRect(p, rect(), st::boxBg, BoxCorners, nullptr, parts);
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| 		}
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| 		auto other = clip.intersected(QRect(0, st::boxRadius, width(), height() - 2 * st::boxRadius));
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| 		if (!other.isEmpty()) {
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| 			p.fillRect(other, st::boxBg);
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| 		}
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| 	} else {
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| 		p.fillRect(e->rect(), st::boxBg);
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| 	}
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| }
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| 
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| void Layer::resizeEvent(QResizeEvent *e) {
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| 	LayerWidget::resizeEvent(e);
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| 	if (!width() || !height()) {
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| 		return;
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| 	}
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| 
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| 	_fixedBar->resizeToWidth(width());
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| 	_fixedBar->moveToLeft(0, st::boxRadius);
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| 	_fixedBar->update();
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| 	_fixedBarClose->moveToRight(0, 0);
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| 	auto shadowTop = _fixedBar->y() + _fixedBar->height();
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| 	_fixedBarShadow->entity()->resize(width(), st::lineWidth);
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| 	_fixedBarShadow->moveToLeft(0, shadowTop);
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| 
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| 	auto scrollSize = QSize(width(), height() - shadowTop - (_roundedCorners ? st::boxRadius : 0));
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| 	if (_scroll->size() != scrollSize) {
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| 		_scroll->resize(scrollSize);
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| 	}
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| 	if (!_scroll->isHidden()) {
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| 		auto scrollTop = _scroll->scrollTop();
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| 		_inner->setVisibleTopBottom(scrollTop, scrollTop + _scroll->height());
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| 	}
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| }
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| 
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| void Layer::setTitle(const QString &title) {
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| 	_fixedBar->setText(title);
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| }
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| 
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| } // namespace Settings
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