C++ Painter::drawTextLeft方法代码示例

void PeerListWidget::paintItem(Painter &p, int x, int y, Item *item, bool selected, bool selectedKick, TimeMs ms) {
	if (_updateItemCallback) {
		_updateItemCallback(item);
	}

	auto memberRowWidth = rowWidth();
	if (selected) {
		paintOutlinedRect(p, x, y, memberRowWidth, _st.height);
	}
	if (auto &ripple = item->ripple) {
		ripple->paint(p, x + _st.button.outlineWidth, y, width(), ms);
		if (ripple->empty()) {
			ripple.reset();
		}
	}
	int skip = _st.photoPosition.x();

	item->peer->paintUserpicLeft(p, x + _st.photoPosition.x(), y + _st.photoPosition.y(), width(), _st.photoSize);

	if (item->name.isEmpty()) {
		item->name.setText(
			st::msgNameStyle,
			App::peerName(item->peer),
			Ui::NameTextOptions());
	}
	int nameLeft = x + _st.namePosition.x();
	int nameTop = y + _st.namePosition.y();
	int nameWidth = memberRowWidth - _st.namePosition.x() - skip;
	if (item->hasRemoveLink && selected) {
		p.setFont(selectedKick ? st::normalFont->underline() : st::normalFont);
		p.setPen(st::windowActiveTextFg);
		p.drawTextLeft(nameLeft + nameWidth - _removeWidth, nameTop, width(), _removeText, _removeWidth);
		nameWidth -= _removeWidth + skip;
	}
	if (item->adminState != Item::AdminState::None) {
		nameWidth -= st::profileMemberAdminIcon.width();
		auto iconLeft = nameLeft + qMin(nameWidth, item->name.maxWidth());
		auto &icon = (item->adminState == Item::AdminState::Creator)
			? (selected ? st::profileMemberCreatorIconOver : st::profileMemberCreatorIcon)
			: (selected ? st::profileMemberAdminIconOver : st::profileMemberAdminIcon);
		icon.paint(p, QPoint(iconLeft, nameTop), width());
	}
	p.setPen(st::profileMemberNameFg);
	item->name.drawLeftElided(p, nameLeft, nameTop, nameWidth, width());

	if (item->statusHasOnlineColor) {
		p.setPen(_st.statusFgActive);
	} else {
		p.setPen(selected ? _st.statusFgOver : _st.statusFg);
	}
	p.setFont(st::normalFont);
	p.drawTextLeft(x + _st.statusPosition.x(), y + _st.statusPosition.y(), width(), item->statusText);
}

void CoverWidget::paintContents(Painter &p) {
	p.setFont(st::settingsStatusFont);
	p.setPen(_statusTextIsOnline ? st::settingsStatusFgActive : st::settingsStatusFg);
	p.drawTextLeft(_statusPosition.x(), _statusPosition.y(), width(), _statusText);

	paintDivider(p);
}

void MembersBox::Inner::paintDialog(Painter &p, TimeMs ms, PeerData *peer, MemberData *data, bool selected, bool kickSelected) {
	UserData *user = peer->asUser();

	p.fillRect(0, 0, width(), _rowHeight, selected ? st::contactsBgOver : st::contactsBg);
	if (data->ripple) {
		data->ripple->paint(p, 0, 0, width(), ms);
		if (data->ripple->empty()) {
			data->ripple.reset();
		}
	}
	peer->paintUserpicLeft(p, st::contactsPadding.left(), st::contactsPadding.top(), width(), st::contactsPhotoSize);

	p.setPen(st::contactsNameFg);

	int32 namex = st::contactsPadding.left() + st::contactsPhotoSize + st::contactsPadding.left();
	int32 namew = width() - namex - st::contactsPadding.right() - (data->canKick ? (_kickWidth + st::contactsCheckPosition.x() * 2) : 0);
	if (peer->isVerified()) {
		auto icon = &st::dialogsVerifiedIcon;
		namew -= icon->width();
		icon->paint(p, namex + qMin(data->name.maxWidth(), namew), st::contactsPadding.top() + st::contactsNameTop, width());
	}
	data->name.drawLeftElided(p, namex, st::contactsPadding.top() + st::contactsNameTop, namew, width());

	if (data->canKick) {
		p.setFont(kickSelected ? st::linkOverFont : st::linkFont);
		p.setPen(kickSelected ? st::defaultLinkButton.overColor : st::defaultLinkButton.color);
		p.drawTextRight(st::contactsPadding.right() + st::contactsCheckPosition.x(), st::contactsPadding.top() + (st::contactsPhotoSize - st::normalFont->height) / 2, width(), _kickText, _kickWidth);
	}

	p.setFont(st::contactsStatusFont->f);
	p.setPen(data->onlineColor ? st::contactsStatusFgOnline : (selected ? st::contactsStatusFgOver : st::contactsStatusFg));
	p.drawTextLeft(namex, st::contactsPadding.top() + st::contactsStatusTop, width(), data->online);
}

void BlockWidget::paintTitle(Painter &p) {
	if (emptyTitle()) return;

	p.setFont(st::profileBlockTitleFont);
	p.setPen(st::profileBlockTitleFg);
	int titleLeft = st::profileBlockTitlePosition.x();
	int titleTop = st::profileBlockMarginTop + st::profileBlockTitlePosition.y();
	p.drawTextLeft(titleLeft, titleTop, width(), _title);
}

void AbstractBox::paintTitle(Painter &p, const QString &title, const QString &additional) {
	p.setFont(st::boxTitleFont);
	if (_blueTitle) {
		p.fillRect(0, 0, width(), st::boxTitleHeight, st::boxBlueTitleBg->b);
		p.setPen(st::white);

		int32 titleWidth = st::boxTitleFont->width(title);
		p.drawTextLeft(st::boxBlueTitlePosition.x(), st::boxBlueTitlePosition.y(), width(), title, titleWidth);

		if (!additional.isEmpty()) {
			p.setFont(st::boxTextFont);
			p.setPen(st::boxBlueTitleAdditionalFg);
			p.drawTextLeft(st::boxBlueTitlePosition.x() + titleWidth + st::boxBlueTitleAdditionalSkip, st::boxBlueTitlePosition.y(), width(), additional);
		}
	} else {
		p.setPen(st::boxTitleFg);
		p.drawTextLeft(st::boxTitlePosition.x(), st::boxTitlePosition.y(), width(), title);
	}
}

void BlockWidget::paintTitle(Painter &p) {
	if (emptyTitle()) return;

	p.setFont(st::settingsBlockTitleFont);
	p.setPen(st::settingsBlockTitleFg);
	auto margins = getMargins();
	auto titleTop = st::settingsBlockMarginTop + st::settingsBlockTitleTop;
	p.drawTextLeft(
		margins.left() + contentLeft(),
		margins.top() + titleTop,
		width(),
		_title);
}

void AbstractBox::paintAdditionalTitle(Painter &p) {
	p.setFont(st::boxLayerTitleAdditionalFont);
	p.setPen(st::boxTitleAdditionalFg);
	p.drawTextLeft(_titleLeft + (_title ? _title->width() : 0) + st::boxLayerTitleAdditionalSkip, _titleTop + st::boxTitleFont->ascent - st::boxLayerTitleAdditionalFont->ascent, width(), _additionalTitle);
}

void HistoryGame::draw(Painter &p, const QRect &r, TextSelection selection, crl::time ms) const {
	if (width() < st::msgPadding.left() + st::msgPadding.right() + 1) return;
	auto paintw = width(), painth = height();

	auto outbg = _parent->hasOutLayout();
	bool selected = (selection == FullSelection);

	auto &barfg = selected ? (outbg ? st::msgOutReplyBarSelColor : st::msgInReplyBarSelColor) : (outbg ? st::msgOutReplyBarColor : st::msgInReplyBarColor);
	auto &semibold = selected ? (outbg ? st::msgOutServiceFgSelected : st::msgInServiceFgSelected) : (outbg ? st::msgOutServiceFg : st::msgInServiceFg);
	auto &regular = selected ? (outbg ? st::msgOutDateFgSelected : st::msgInDateFgSelected) : (outbg ? st::msgOutDateFg : st::msgInDateFg);

	QMargins bubble(_attach ? _attach->bubbleMargins() : QMargins());
	auto padding = inBubblePadding();
	auto tshift = padding.top();
	auto bshift = padding.bottom();
	paintw -= padding.left() + padding.right();
	if (isBubbleBottom() && _attach && _attach->customInfoLayout() && _attach->width() + _parent->skipBlockWidth() > paintw + bubble.left() + bubble.right()) {
		bshift += bottomInfoPadding();
	}

	QRect bar(rtlrect(st::msgPadding.left(), tshift, st::webPageBar, height() - tshift - bshift, width()));
	p.fillRect(bar, barfg);

	auto lineHeight = unitedLineHeight();
	if (_titleLines) {
		p.setPen(semibold);
		auto endskip = 0;
		if (_title.hasSkipBlock()) {
			endskip = _parent->skipBlockWidth();
		}
		_title.drawLeftElided(p, padding.left(), tshift, paintw, width(), _titleLines, style::al_left, 0, -1, endskip, false, selection);
		tshift += _titleLines * lineHeight;
	}
	if (_descriptionLines) {
		p.setPen(outbg ? st::webPageDescriptionOutFg : st::webPageDescriptionInFg);
		auto endskip = 0;
		if (_description.hasSkipBlock()) {
			endskip = _parent->skipBlockWidth();
		}
		_description.drawLeftElided(p, padding.left(), tshift, paintw, width(), _descriptionLines, style::al_left, 0, -1, endskip, false, toDescriptionSelection(selection));
		tshift += _descriptionLines * lineHeight;
	}
	if (_attach) {
		auto attachAtTop = !_titleLines && !_descriptionLines;
		if (!attachAtTop) tshift += st::mediaInBubbleSkip;

		auto attachLeft = padding.left() - bubble.left();
		auto attachTop = tshift - bubble.top();
		if (rtl()) attachLeft = width() - attachLeft - _attach->width();

		auto attachSelection = selected ? FullSelection : TextSelection { 0, 0 };

		p.translate(attachLeft, attachTop);
		_attach->draw(p, r.translated(-attachLeft, -attachTop), attachSelection, ms);
		auto pixwidth = _attach->width();
		auto pixheight = _attach->height();

		auto gameW = _gameTagWidth + 2 * st::msgDateImgPadding.x();
		auto gameH = st::msgDateFont->height + 2 * st::msgDateImgPadding.y();
		auto gameX = pixwidth - st::msgDateImgDelta - gameW;
		auto gameY = pixheight - st::msgDateImgDelta - gameH;

		App::roundRect(p, rtlrect(gameX, gameY, gameW, gameH, pixwidth), selected ? st::msgDateImgBgSelected : st::msgDateImgBg, selected ? DateSelectedCorners : DateCorners);

		p.setFont(st::msgDateFont);
		p.setPen(st::msgDateImgFg);
		p.drawTextLeft(gameX + st::msgDateImgPadding.x(), gameY + st::msgDateImgPadding.y(), pixwidth, lang(lng_game_tag).toUpper());

		p.translate(-attachLeft, -attachTop);
	}
}

void HistoryVideo::draw(Painter &p, const QRect &r, TextSelection selection, TimeMs ms) const {
	if (width() < st::msgPadding.left() + st::msgPadding.right() + 1) return;

	_data->automaticLoad(_realParent->fullId(), _parent->data());
	bool loaded = _data->loaded(), displayLoading = _data->displayLoading();
	bool selected = (selection == FullSelection);

	auto paintx = 0, painty = 0, paintw = width(), painth = height();
	bool bubble = _parent->hasBubble();

	int captionw = paintw - st::msgPadding.left() - st::msgPadding.right();

	if (displayLoading) {
		ensureAnimation();
		if (!_animation->radial.animating()) {
			_animation->radial.start(_data->progress());
		}
	}
	updateStatusText();
	bool radial = isRadialAnimation(ms);

	if (bubble) {
		if (!_caption.isEmpty()) {
			painth -= st::mediaCaptionSkip + _caption.countHeight(captionw);
			if (isBubbleBottom()) {
				painth -= st::msgPadding.bottom();
			}
		}
	} else {
		App::roundShadow(p, 0, 0, paintw, painth, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
	}

	auto inWebPage = (_parent->media() != this);
	auto roundRadius = inWebPage ? ImageRoundRadius::Small : ImageRoundRadius::Large;
	auto roundCorners = inWebPage ? RectPart::AllCorners : ((isBubbleTop() ? (RectPart::TopLeft | RectPart::TopRight) : RectPart::None)
		| ((isBubbleBottom() && _caption.isEmpty()) ? (RectPart::BottomLeft | RectPart::BottomRight) : RectPart::None));
	QRect rthumb(rtlrect(paintx, painty, paintw, painth, width()));

	const auto good = _data->goodThumbnail();
	if (good && good->loaded()) {
		p.drawPixmap(rthumb.topLeft(), good->pixSingle({}, _thumbw, _thumbh, paintw, painth, roundRadius, roundCorners));
	} else {
		if (good) {
			good->load({});
		}
		p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(_realParent->fullId(), _thumbw, _thumbh, paintw, painth, roundRadius, roundCorners));
	}
	if (selected) {
		App::complexOverlayRect(p, rthumb, roundRadius, roundCorners);
	}

	QRect inner(rthumb.x() + (rthumb.width() - st::msgFileSize) / 2, rthumb.y() + (rthumb.height() - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
	p.setPen(Qt::NoPen);
	if (selected) {
		p.setBrush(st::msgDateImgBgSelected);
	} else if (isThumbAnimation(ms)) {
		auto over = _animation->a_thumbOver.current();
		p.setBrush(anim::brush(st::msgDateImgBg, st::msgDateImgBgOver, over));
	} else {
		bool over = ClickHandler::showAsActive(_data->loading() ? _cancell : _savel);
		p.setBrush(over ? st::msgDateImgBgOver : st::msgDateImgBg);
	}

	{
		PainterHighQualityEnabler hq(p);
		p.drawEllipse(inner);
	}

	if (!selected && _animation) {
		p.setOpacity(1);
	}

	auto icon = ([this, radial, selected, loaded]() -> const style::icon * {
		if (loaded && !radial) {
			return &(selected ? st::historyFileThumbPlaySelected : st::historyFileThumbPlay);
		} else if (radial || _data->loading()) {
			if (_parent->data()->id > 0 || _data->uploading()) {
				return &(selected ? st::historyFileThumbCancelSelected : st::historyFileThumbCancel);
			}
			return nullptr;
		}
		return &(selected ? st::historyFileThumbDownloadSelected : st::historyFileThumbDownload);
	})();
	if (icon) {
		icon->paintInCenter(p, inner);
	}
	if (radial) {
		QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
		_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::historyFileThumbRadialFgSelected : st::historyFileThumbRadialFg);
	}

	auto statusX = paintx + st::msgDateImgDelta + st::msgDateImgPadding.x(), statusY = painty + st::msgDateImgDelta + st::msgDateImgPadding.y();
	auto statusW = st::normalFont->width(_statusText) + 2 * st::msgDateImgPadding.x();
	auto statusH = st::normalFont->height + 2 * st::msgDateImgPadding.y();
	App::roundRect(p, rtlrect(statusX - st::msgDateImgPadding.x(), statusY - st::msgDateImgPadding.y(), statusW, statusH, width()), selected ? st::msgDateImgBgSelected : st::msgDateImgBg, selected ? DateSelectedCorners : DateCorners);
	p.setFont(st::normalFont);
	p.setPen(st::msgDateImgFg);
	p.drawTextLeft(statusX, statusY, width(), _statusText, statusW - 2 * st::msgDateImgPadding.x());

	// date
//.........这里部分代码省略.........