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Telegram/SourceFiles/tests/test_text.cpp

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "tests/test_main.h"
+
+#include "base/invoke_queued.h"
+#include "base/integration.h"
+#include "ui/effects/animations.h"
+#include "ui/text/text.h"
+#include "ui/text/text_utilities.h"
+#include "ui/widgets/rp_window.h"
+#include "ui/painter.h"
+
+#include <QApplication>
+#include <QAbstractNativeEventFilter>
+#include <QThread>
+#include <QDir>
+
+namespace Test {
+
+QString name() {
+	return u"text"_q;
+}
+
+void test(not_null<Ui::RpWindow*> window, not_null<Ui::RpWidget*> body) {
+	auto text = new Ui::Text::String(scale(64));
+
+	const auto like = QString::fromUtf8("\xf0\x9f\x91\x8d");
+	const auto dislike = QString::fromUtf8("\xf0\x9f\x91\x8e");
+	const auto hebrew = QString() + QChar(1506) + QChar(1460) + QChar(1489);
+
+	auto data = TextWithEntities();
+	data.append(
+		u"Lorem ipsu7m dolor sit amet, "_q
+	).append(Ui::Text::Bold(
+		u"consectetur adipiscing: "_q
+		+ hebrew
+		+ u" elit, sed do eiusmod tempor incididunt test"_q
+	)).append(Ui::Text::Wrapped(Ui::Text::Bold(
+		u". ut labore et dolore magna aliqua."_q
+		+ like
+		+ dislike
+		+ u"Ut enim ad minim veniam"_q
+	), EntityType::Italic)).append(
+		u", quis nostrud exercitation ullamco laboris nisi ut aliquip ex \
+ea commodo consequat. Duis aute irure dolor in reprehenderit in \
+voluptate velit esse cillum dolore eu fugiat nulla pariatur. \
+Excepteur sint occaecat cupidatat non proident, sunt in culpa \
+qui officia deserunt mollit anim id est laborum."_q
+).append(u"\n\n"_q).append(hebrew).append("\n\n").append(
+		"Duisauteiruredolorinreprehenderitinvoluptatevelitessecillumdoloreeu\
+fugiatnullapariaturExcepteursintoccaecatcupidatatnonproident, sunt in culpa \
+qui officia deserunt mollit anim id est laborum. \
+Duisauteiruredolorinreprehenderitinvoluptate.");
+	data.append(data);
+	//data.append("hi\n\nguys");
+	text->setMarkedText(st::defaultTextStyle, data);
+
+	body->paintRequest() | rpl::on_next([=](QRect clip) {
+		auto p = QPainter(body);
+		auto hq = PainterHighQualityEnabler(p);
+
+		const auto width = body->width();
+		const auto height = body->height();
+
+		p.fillRect(clip, QColor(255, 255, 255));
+
+		const auto border = QColor(0, 128, 0, 16);
+		auto skip = scale(20);
+		p.fillRect(0, 0, skip, height, border);
+		p.fillRect(skip, 0, width - skip, skip, border);
+		p.fillRect(skip, height - skip, width - skip, skip, border);
+		p.fillRect(width - skip, skip, skip, height - skip * 2, border);
+
+		const auto inner = body->rect().marginsRemoved(
+			{ skip, skip, skip, skip });
+
+		p.fillRect(QRect{
+			inner.x(),
+			inner.y(),
+			inner.width(),
+			text->countHeight(inner.width())
+		}, QColor(128, 0, 0, 16));
+
+		auto widths = text->countLineWidths(inner.width());
+		auto top = 0;
+		for (const auto width : widths) {
+			p.fillRect(QRect{
+				inner.x(),
+				inner.y() + top,
+				width,
+				st::defaultTextStyle.font->height
+			}, QColor(0, 0, 128, 16));
+			top += st::defaultTextStyle.font->height;
+		}
+
+		text->draw(p, {
+			.position = inner.topLeft(),
+			.availableWidth = inner.width(),
+		});
+
+		//const auto to = QRectF(
+		//	inner.marginsRemoved({ 0, inner.height() / 2, 0, 0 }));
+		//const auto t = u"hi\n\nguys"_q;
+		//p.drawText(to, t);
+	}, body->lifetime());
+}
+
+} // namespace Test