base::lambda -> Fn (type alias for std::function). base::lambda_once -> FnMut (type alias for base::unique_function). base::lambda_guarded -> crl::guard. base::lambda_call_type_t -> crl::deduced_call_type.
		
			
				
	
	
		
			316 lines
		
	
	
	
		
			9.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			316 lines
		
	
	
	
		
			9.3 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 "profile/profile_block_peer_list.h"
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#include "ui/effects/ripple_animation.h"
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#include "ui/widgets/popup_menu.h"
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#include "ui/text_options.h"
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#include "styles/style_profile.h"
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#include "styles/style_widgets.h"
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#include "auth_session.h"
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namespace Profile {
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PeerListWidget::Item::Item(PeerData *peer) : peer(peer) {
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}
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PeerListWidget::Item::~Item() = default;
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PeerListWidget::PeerListWidget(QWidget *parent, PeerData *peer, const QString &title, const style::PeerListItem &st, 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(Auth().downloaderTaskFinished(), [this] { update(); });
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}
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int PeerListWidget::resizeGetHeight(int newWidth) {
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	auto newHeight = getListTop();
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	newHeight += _items.size() * _st.height;
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	return newHeight + _st.bottom;
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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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	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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void PeerListWidget::paintContents(Painter &p) {
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	auto ms = getms();
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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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	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 = (_menuRowIndex >= 0) ? (i == _menuRowIndex) : (_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, ms);
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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, TimeMs ms) {
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	if (_updateItemCallback) {
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		_updateItemCallback(item);
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	}
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	auto memberRowWidth = rowWidth();
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	if (selected) {
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		paintOutlinedRect(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 + _st.button.outlineWidth, y, width(), ms);
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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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	item->peer->paintUserpicLeft(p, x + _st.photoPosition.x(), y + _st.photoPosition.y(), width(), _st.photoSize);
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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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			App::peerName(item->peer),
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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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	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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void PeerListWidget::paintOutlinedRect(Painter &p, int x, int y, int w, int h) const {
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	auto outlineWidth = _st.button.outlineWidth;
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	if (outlineWidth) {
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		p.fillRect(rtlrect(x, y, outlineWidth, h, width()), _st.button.outlineFgOver);
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	}
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	p.fillRect(rtlrect(x + outlineWidth, y, w - outlineWidth, h, width()), _st.button.textBgOver);
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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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void PeerListWidget::mousePressEvent(QMouseEvent *e) {
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	_mousePosition = e->globalPos();
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	updateSelection();
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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.button.outlineWidth, _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() + _st.button.outlineWidth;
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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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void PeerListWidget::mouseReleaseEvent(QMouseEvent *e) {
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	mousePressReleased(e->button());
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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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void PeerListWidget::contextMenuEvent(QContextMenuEvent *e) {
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	if (_menu) {
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		_menu->deleteLater();
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		_menu = nullptr;
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	}
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	if (_menuRowIndex >= 0) {
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		repaintRow(_menuRowIndex);
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		_menuRowIndex = -1;
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	}
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	if (e->reason() == QContextMenuEvent::Mouse) {
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		_mousePosition = e->globalPos();
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		updateSelection();
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	}
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	_menuRowIndex = _selected;
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	if (_pressButton != Qt::LeftButton) {
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		mousePressReleased(_pressButton);
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	}
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	if (_selected < 0 || _selected >= _items.size()) {
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		return;
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	}
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	_menu = fillPeerMenu(_items[_selected]->peer);
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	if (_menu) {
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		_menu->setDestroyedCallback(crl::guard(this, [this, menu = _menu] {
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			if (_menu == menu) {
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				_menu = nullptr;
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			}
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			repaintRow(_menuRowIndex);
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			_menuRowIndex = -1;
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			_mousePosition = QCursor::pos();
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			updateSelection();
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		}));
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		_menu->popup(e->globalPos());
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		e->accept();
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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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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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void PeerListWidget::updateSelection() {
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	auto selected = -1;
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	auto selectedKick = false;
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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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	setSelected(selected, selectedKick);
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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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	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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void PeerListWidget::repaintSelectedRow() {
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	repaintRow(_selected);
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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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int PeerListWidget::getListLeft() const {
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	return _st.left;
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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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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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void PeerListWidget::refreshVisibility() {
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	setVisible(!_items.isEmpty());
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}
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} // namespace Profile
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