inial commit

katecolorpickerplugin.h

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+/*
+    SPDX-FileCopyrightText: 2018 Sven Brauch <mail@svenbrauch.de>
+    SPDX-FileCopyrightText: 2018 Michal Srb <michalsrb@gmail.com>
+    SPDX-FileCopyrightText: 2020 Jan Paul Batrina <jpmbatrina01@gmail.com>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#pragma once
+
+#include <unordered_map>
+
+#include <KTextEditor/ConfigPage>
+#include <KTextEditor/InlineNoteProvider>
+#include <KTextEditor/MainWindow>
+#include <KTextEditor/Plugin>
+
+#include <QHash>
+#include <QList>
+#include <QRegularExpression>
+#include <QVariant>
+
+class ColorPickerInlineNoteProvider : public KTextEditor::InlineNoteProvider
+{
+    Q_OBJECT
+public:
+    explicit ColorPickerInlineNoteProvider(KTextEditor::Document *doc);
+    ~ColorPickerInlineNoteProvider() override;
+
+    void updateColorMatchingCriteria();
+    // if startLine == -1, update all notes. endLine is optional
+    void updateNotes(int startLine = -1, int endLine = -1);
+
+    QVector<int> inlineNotes(int line) const override;
+    QSize inlineNoteSize(const KTextEditor::InlineNote &note) const override;
+    void paintInlineNote(const KTextEditor::InlineNote &note, QPainter &painter) const override;
+    void inlineNoteActivated(const KTextEditor::InlineNote &note, Qt::MouseButtons buttons, const QPoint &globalPos) override;
+
+private:
+    KTextEditor::Document *m_doc;
+    int m_startChangedLines = -1;
+    int m_endChangedLines = -1;
+    int m_previousNumLines = -1;
+
+    struct ColorIndices {
+        // When m_putPreviewAfterColor is true, otherColorIndices holds the starting color indices while colorNoteIndices holds the end color indices (and vice
+        // versa) colorNoteIndices[i] corresponds to otherColorIndices[i]
+        QVector<int> colorNoteIndices;
+        QVector<int> otherColorIndices;
+    };
+
+    // mutable is used here since InlineNoteProvider::inlineNotes() is const only, and we update the notes lazily (only when inlineNotes() is called)
+    mutable QHash<int, ColorIndices> m_colorNoteIndices;
+
+    QRegularExpression m_colorRegex;
+    QVector<int> m_matchHexLengths;
+    bool m_putPreviewAfterColor;
+    bool m_matchNamedColors;
+};
+
+class KateColorPickerPlugin : public KTextEditor::Plugin
+{
+    Q_OBJECT
+public:
+    explicit KateColorPickerPlugin(QObject *parent = nullptr, const QList<QVariant> & = QList<QVariant>());
+    ~KateColorPickerPlugin() override;
+
+    QObject *createView(KTextEditor::MainWindow *mainWindow) override;
+    void readConfig();
+
+private:
+    void addDocument(KTextEditor::Document *doc);
+
+    int configPages() const override
+    {
+        return 0;
+    }
+
+    KTextEditor::MainWindow *m_mainWindow;
+    std::unordered_map<KTextEditor::Document *, std::unique_ptr<ColorPickerInlineNoteProvider>> m_inlineColorNoteProviders;
+};