Tentative implementation of font handling on cpp side.

2026-02-08 00:32:27 +00:00 · 2026-01-11 19:28:31 +01:00
parent bd89df3564
commit 60784c47d9
13 changed files with 827 additions and 209 deletions
--- a/app/fontmanager.h
+++ b/app/fontmanager.h
@@ -0,0 +1,110 @@
+#ifndef FONTMANAGER_H
+#define FONTMANAGER_H
+
+#include <QObject>
+#include <QStringList>
+#include <QHash>
+#include <QSet>
+
+#include "fontlistmodel.h"
+
+class FontManager : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(FontListModel *fontList READ fontList CONSTANT)
+    Q_PROPERTY(FontListModel *filteredFontList READ filteredFontList NOTIFY filteredFontListChanged)
+    Q_PROPERTY(int fontSource READ fontSource WRITE setFontSource NOTIFY fontSourceChanged)
+    Q_PROPERTY(int rasterization READ rasterization WRITE setRasterization NOTIFY rasterizationChanged)
+    Q_PROPERTY(QString fontName READ fontName WRITE setFontName NOTIFY fontNameChanged)
+    Q_PROPERTY(qreal fontScaling READ fontScaling WRITE setFontScaling NOTIFY fontScalingChanged)
+    Q_PROPERTY(qreal fontWidth READ fontWidth WRITE setFontWidth NOTIFY fontWidthChanged)
+    Q_PROPERTY(qreal lineSpacing READ lineSpacing WRITE setLineSpacing NOTIFY lineSpacingChanged)
+    Q_PROPERTY(qreal baseFontScaling READ baseFontScaling WRITE setBaseFontScaling NOTIFY baseFontScalingChanged)
+    Q_PROPERTY(bool lowResolutionFont READ lowResolutionFont NOTIFY lowResolutionFontChanged)
+
+public:
+    explicit FontManager(QObject *parent = nullptr);
+
+    Q_INVOKABLE void refresh();
+
+    FontListModel *fontList();
+    FontListModel *filteredFontList();
+
+    int fontSource() const;
+    void setFontSource(int fontSource);
+
+    int rasterization() const;
+    void setRasterization(int rasterization);
+
+    QString fontName() const;
+    void setFontName(const QString &fontName);
+
+    qreal fontScaling() const;
+    void setFontScaling(qreal fontScaling);
+
+    qreal fontWidth() const;
+    void setFontWidth(qreal fontWidth);
+
+    qreal lineSpacing() const;
+    void setLineSpacing(qreal lineSpacing);
+
+    qreal baseFontScaling() const;
+    void setBaseFontScaling(qreal baseFontScaling);
+
+    bool lowResolutionFont() const;
+
+signals:
+    void fontSourceChanged();
+    void rasterizationChanged();
+    void fontNameChanged();
+    void fontScalingChanged();
+    void fontWidthChanged();
+    void lineSpacingChanged();
+    void baseFontScalingChanged();
+    void lowResolutionFontChanged();
+    void filteredFontListChanged();
+
+    void terminalFontChanged(QString fontFamily,
+                             int pixelSize,
+                             int lineSpacing,
+                             qreal screenScaling,
+                             qreal fontWidth,
+                             QString fallbackFontFamily,
+                             bool lowResolutionFont);
+
+private:
+    QStringList retrieveMonospaceFonts();
+    void populateBundledFonts();
+    void populateSystemFonts();
+    void addBundledFont(const QString &name,
+                        const QString &text,
+                        const QString &source,
+                        qreal baseWidth,
+                        int pixelSize,
+                        bool lowResolutionFont,
+                        const QString &fallbackName = QString());
+    void setFontSubstitutions(const QString &family, const QStringList &substitutes);
+    void removeFontSubstitution(const QString &family);
+    void updateFilteredFonts();
+    void updateComputedFont();
+    const FontEntry *findFontByName(const QString &name) const;
+    QString resolveFontFamily(const QString &sourcePath);
+
+    FontListModel m_fontListModel;
+    FontListModel m_filteredFontListModel;
+    QVector<FontEntry> m_allFonts;
+
+    int m_fontSource = 0;
+    int m_rasterization = 0;
+    QString m_fontName = QStringLiteral("TERMINUS_SCALED");
+    qreal m_fontScaling = 1.0;
+    qreal m_fontWidth = 1.0;
+    qreal m_lineSpacing = 0.1;
+    qreal m_baseFontScaling = 0.75;
+    bool m_lowResolutionFont = false;
+
+    QHash<QString, QString> m_loadedFamilies;
+    QSet<QString> m_bundledFamilies;
+};
+
+#endif // FONTMANAGER_H