277 lines
		
	
	
	
		
			8.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			277 lines
		
	
	
	
		
			8.2 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 "profile/profile_block_peer_list.h"
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| 
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| #include "ui/effects/ripple_animation.h"
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| #include "ui/text_options.h"
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| #include "data/data_peer.h"
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| #include "data/data_cloud_file.h"
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| #include "main/main_session.h"
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| #include "styles/style_profile.h"
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| #include "styles/style_widgets.h"
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| 
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| namespace Profile {
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| 
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| PeerListWidget::Item::Item(not_null<PeerData*> peer) : peer(peer) {
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| }
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| 
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| PeerListWidget::Item::~Item() = default;
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| 
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| PeerListWidget::PeerListWidget(
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| 	QWidget *parent,
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| 	PeerData *peer,
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| 	const QString &title,
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| 	const style::PeerListItem &st,
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| 	const QString &removeText)
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| : BlockWidget(parent, peer, title)
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| , _st(st)
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| , _removeText(removeText)
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| , _removeWidth(st::normalFont->width(_removeText)) {
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| 	setMouseTracking(true);
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| 	subscribe(peer->session().downloaderTaskFinished(), [=] { update(); });
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| }
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| 
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| int PeerListWidget::resizeGetHeight(int newWidth) {
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| 	auto newHeight = getListTop();
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| 
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| 	newHeight += _items.size() * _st.height;
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| 
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| 	return newHeight + _st.bottom;
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| }
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| 
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| void PeerListWidget::visibleTopBottomUpdated(int visibleTop, int visibleBottom) {
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| 	_visibleTop = visibleTop;
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| 	_visibleBottom = visibleBottom;
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| 
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| 	if (_preloadMoreCallback) {
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| 		if (_visibleTop + PreloadHeightsCount * (_visibleBottom - _visibleTop) > height()) {
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| 			_preloadMoreCallback();
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| 		}
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| 	}
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| }
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| 
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| void PeerListWidget::paintContents(Painter &p) {
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| 	auto left = getListLeft();
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| 	auto top = getListTop();
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| 	auto memberRowWidth = rowWidth();
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| 
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| 	auto from = floorclamp(_visibleTop - top, _st.height, 0, _items.size());
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| 	auto to = ceilclamp(_visibleBottom - top, _st.height, 0, _items.size());
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| 	for (auto i = from; i < to; ++i) {
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| 		auto y = top + i * _st.height;
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| 		auto selected = (_pressed >= 0) ? (i == _pressed) : (i == _selected);
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| 		auto selectedRemove = selected && _selectedRemove;
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| 		if (_pressed >= 0 && !_pressedRemove) {
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| 			selectedRemove = false;
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| 		}
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| 		paintItem(p, left, y, _items[i], selected, selectedRemove);
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| 	}
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| }
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| 
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| void PeerListWidget::paintItem(Painter &p, int x, int y, Item *item, bool selected, bool selectedKick) {
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| 	if (_updateItemCallback) {
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| 		_updateItemCallback(item);
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| 	}
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| 
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| 	auto memberRowWidth = rowWidth();
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| 	if (selected) {
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| 		paintItemRect(p, x, y, memberRowWidth, _st.height);
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| 	}
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| 	if (auto &ripple = item->ripple) {
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| 		ripple->paint(p, x, y, width());
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| 		if (ripple->empty()) {
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| 			ripple.reset();
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| 		}
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| 	}
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| 	int skip = _st.photoPosition.x();
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| 
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| 	item->peer->paintUserpicLeft(p, item->userpic, x + _st.photoPosition.x(), y + _st.photoPosition.y(), width(), _st.photoSize);
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| 
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| 	if (item->name.isEmpty()) {
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| 		item->name.setText(
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| 			st::msgNameStyle,
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| 			item->peer->name,
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| 			Ui::NameTextOptions());
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| 	}
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| 	int nameLeft = x + _st.namePosition.x();
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| 	int nameTop = y + _st.namePosition.y();
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| 	int nameWidth = memberRowWidth - _st.namePosition.x() - skip;
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| 	if (item->hasRemoveLink && selected) {
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| 		p.setFont(selectedKick ? st::normalFont->underline() : st::normalFont);
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| 		p.setPen(st::windowActiveTextFg);
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| 		p.drawTextLeft(nameLeft + nameWidth - _removeWidth, nameTop, width(), _removeText, _removeWidth);
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| 		nameWidth -= _removeWidth + skip;
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| 	}
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| 	if (item->adminState != Item::AdminState::None) {
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| 		nameWidth -= st::profileMemberAdminIcon.width();
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| 		auto iconLeft = nameLeft + qMin(nameWidth, item->name.maxWidth());
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| 		auto &icon = (item->adminState == Item::AdminState::Creator)
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| 			? (selected ? st::profileMemberCreatorIconOver : st::profileMemberCreatorIcon)
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| 			: (selected ? st::profileMemberAdminIconOver : st::profileMemberAdminIcon);
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| 		icon.paint(p, QPoint(iconLeft, nameTop), width());
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| 	}
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| 	p.setPen(st::profileMemberNameFg);
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| 	item->name.drawLeftElided(p, nameLeft, nameTop, nameWidth, width());
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| 
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| 	if (item->statusHasOnlineColor) {
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| 		p.setPen(_st.statusFgActive);
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| 	} else {
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| 		p.setPen(selected ? _st.statusFgOver : _st.statusFg);
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| 	}
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| 	p.setFont(st::normalFont);
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| 	p.drawTextLeft(x + _st.statusPosition.x(), y + _st.statusPosition.y(), width(), item->statusText);
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| }
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| 
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| void PeerListWidget::paintItemRect(Painter &p, int x, int y, int w, int h) const {
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| 	p.fillRect(style::rtlrect(x, y, w, h, width()), _st.button.textBgOver);
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| }
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| 
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| void PeerListWidget::mouseMoveEvent(QMouseEvent *e) {
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| 	_mousePosition = e->globalPos();
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| 	updateSelection();
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| }
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| 
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| void PeerListWidget::mousePressEvent(QMouseEvent *e) {
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| 	_mousePosition = e->globalPos();
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| 	updateSelection();
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| 
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| 	_pressButton = e->button();
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| 	_pressed = _selected;
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| 	_pressedRemove = _selectedRemove;
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| 	if (_pressed >= 0 && !_pressedRemove) {
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| 		auto item = _items[_pressed];
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| 		if (!item->ripple) {
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| 			auto memberRowWidth = rowWidth();
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| 			auto mask = Ui::RippleAnimation::rectMask(QSize(memberRowWidth, _st.height));
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| 			item->ripple = std::make_unique<Ui::RippleAnimation>(_st.button.ripple, std::move(mask), [this, index = _pressed] {
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| 				repaintRow(index);
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| 			});
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| 		}
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| 		auto left = getListLeft();
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| 		auto top = getListTop() + _st.height * _pressed;
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| 		item->ripple->add(e->pos() - QPoint(left, top));
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| 	}
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| }
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| 
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| void PeerListWidget::mouseReleaseEvent(QMouseEvent *e) {
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| 	mousePressReleased(e->button());
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| }
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| 
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| void PeerListWidget::mousePressReleased(Qt::MouseButton button) {
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| 	repaintRow(_pressed);
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| 	auto pressed = std::exchange(_pressed, -1);
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| 	auto pressedRemove = base::take(_pressedRemove);
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| 	if (pressed >= 0 && pressed < _items.size()) {
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| 		if (auto &ripple = _items[pressed]->ripple) {
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| 			ripple->lastStop();
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| 		}
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| 		if (pressed == _selected && pressedRemove == _selectedRemove && button == Qt::LeftButton) {
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| 			InvokeQueued(this, [this, pressedRemove, peer = _items[pressed]->peer] {
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| 				if (auto &callback = (pressedRemove ? _removedCallback : _selectedCallback)) {
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| 					callback(peer);
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| 				}
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| 			});
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| 		}
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| 	}
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| 	setCursor(_selectedRemove ? style::cur_pointer : style::cur_default);
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| 	repaintSelectedRow();
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| }
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| 
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| void PeerListWidget::enterEventHook(QEvent *e) {
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| 	_mousePosition = QCursor::pos();
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| 	updateSelection();
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| }
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| 
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| void PeerListWidget::leaveEventHook(QEvent *e) {
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| 	_mousePosition = QPoint(-1, -1);
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| 	updateSelection();
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| }
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| 
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| void PeerListWidget::updateSelection() {
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| 	auto selected = -1;
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| 	auto selectedKick = false;
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| 
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| 	auto mouse = mapFromGlobal(_mousePosition);
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| 	if (rtl()) mouse.setX(width() - mouse.x());
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| 	auto left = getListLeft();
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| 	auto top = getListTop();
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| 	auto memberRowWidth = rowWidth();
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| 	if (mouse.x() >= left && mouse.x() < left + memberRowWidth && mouse.y() >= top) {
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| 		selected = (mouse.y() - top) / _st.height;
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| 		if (selected >= _items.size()) {
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| 			selected = -1;
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| 		} else if (_items[selected]->hasRemoveLink) {
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| 			int skip = _st.photoPosition.x();
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| 			int nameLeft = left + _st.namePosition.x();
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| 			int nameTop = top + _selected * _st.height + _st.namePosition.y();
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| 			int nameWidth = memberRowWidth - _st.namePosition.x() - skip;
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| 			if (mouse.x() >= nameLeft + nameWidth - _removeWidth && mouse.x() < nameLeft + nameWidth) {
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| 				if (mouse.y() >= nameTop && mouse.y() < nameTop + st::normalFont->height) {
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| 					selectedKick = true;
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| 				}
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| 			}
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| 		}
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| 	}
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| 
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| 	setSelected(selected, selectedKick);
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| }
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| 
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| void PeerListWidget::setSelected(int selected, bool selectedRemove) {
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| 	if (_selected == selected && _selectedRemove == selectedRemove) {
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| 		return;
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| 	}
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| 
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| 	repaintSelectedRow();
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| 	if (_selectedRemove != selectedRemove) {
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| 		_selectedRemove = selectedRemove;
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| 		if (_pressed < 0) {
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| 			setCursor(_selectedRemove ? style::cur_pointer : style::cur_default);
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| 		}
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| 	}
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| 	if (_selected != selected) {
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| 		_selected = selected;
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| 		repaintSelectedRow();
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| 	}
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| }
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| 
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| void PeerListWidget::repaintSelectedRow() {
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| 	repaintRow(_selected);
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| }
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| 
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| void PeerListWidget::repaintRow(int index) {
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| 	if (index >= 0) {
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| 		auto left = getListLeft();
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| 		rtlupdate(left, getListTop() + index * _st.height, width() - left, _st.height);
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| 	}
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| }
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| 
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| int PeerListWidget::getListLeft() const {
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| 	return _st.left;
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| }
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| 
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| int PeerListWidget::rowWidth() const {
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| 	return _st.maximalWidth
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| 		? qMin(width() - getListLeft(), _st.maximalWidth)
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| 		: width() - getListLeft();
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| }
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| 
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| void PeerListWidget::preloadPhotos() {
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| 	int top = getListTop();
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| 	int preloadFor = (_visibleBottom - _visibleTop) * PreloadHeightsCount;
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| 	int from = floorclamp(_visibleTop - top, _st.height, 0, _items.size());
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| 	int to = ceilclamp(_visibleBottom + preloadFor - top, _st.height, 0, _items.size());
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| 	for (int i = from; i < to; ++i) {
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| 		_items[i]->peer->loadUserpic();
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| 	}
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| }
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| 
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| void PeerListWidget::refreshVisibility() {
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| 	setVisible(!_items.isEmpty());
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| }
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| 
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| } // namespace Profile
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