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Telegram/ThirdParty/fcitx5-qt/qt5/platforminputcontext/font.cpp

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+/*
+ * SPDX-FileCopyrightText: 2020~2020 CSSlayer <wengxt@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ */
+#include "font.h"
+#include <QMap>
+
+QFont fcitx::parseFont(const QString &string) {
+#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
+    auto list = string.split(" ", QString::SkipEmptyParts);
+#else
+    auto list = string.split(" ", Qt::SkipEmptyParts);
+#endif
+    int size = 9; // Default size.
+    if (!list.empty()) {
+        bool ok = false;
+        auto fontSize = list.back().toInt(&ok);
+        if (ok) {
+            if (fontSize > 0) {
+                size = fontSize;
+            }
+            list.pop_back();
+        }
+    }
+
+    QFont::Style style = QFont::StyleNormal;
+    QFont::Weight weight = QFont::Normal;
+    const QMap<QString, QFont::Weight> strToWeight = {
+        {"Thin", QFont::Thin},
+        {"Ultra-Light", QFont::Thin},
+        {"Extra-Light", QFont::ExtraLight},
+        {"Light", QFont::Light},
+        {"Semi-Light", QFont::Light},
+        {"Demi-Light", QFont::Light},
+        {"Book", QFont::Light},
+        {"Regular", QFont::Normal},
+        {"Medium", QFont::Medium},
+        {"Semi-Bold", QFont::Medium},
+        {"Demi-Bold", QFont::DemiBold},
+        {"Bold", QFont::Bold},
+        {"Ultra-Bold", QFont::Bold},
+        {"Extra-Bold", QFont::ExtraBold},
+        {"Black", QFont::Black},
+        {"Ultra-Black", QFont::Black},
+        {"Extra-Black", QFont::Black},
+    };
+    const QMap<QString, QFont::Style> strToStyle = {
+        {"Italic", QFont::StyleItalic}, {"Oblique", QFont::StyleOblique}};
+    while (!list.empty()) {
+        if (strToWeight.contains(list.back())) {
+            weight = strToWeight.value(list.back(), QFont::Normal);
+            list.pop_back();
+        } else if (strToStyle.contains(list.back())) {
+            style = strToStyle.value(list.back(), QFont::StyleNormal);
+            list.pop_back();
+        } else {
+            break;
+        }
+    }
+    QString family = list.join(" ");
+    QFont font;
+    font.setFamily(family);
+    font.setWeight(weight);
+    font.setStyle(style);
+    font.setPointSize(size);
+    return font;
+}