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Telegram/ThirdParty/fcitx5-qt/qt5/platforminputcontext/fcitxcandidatewindow.h

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+/*
+ * SPDX-FileCopyrightText: 2021~2021 CSSlayer <wengxt@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef _PLATFORMINPUTCONTEXT_FCITXCANDIDATEWINDOW_H_
+#define _PLATFORMINPUTCONTEXT_FCITXCANDIDATEWINDOW_H_
+
+#include "fcitxflags.h"
+#include "fcitxqtdbustypes.h"
+#include <QGuiApplication>
+#include <QPainter>
+#include <QPointer>
+#include <QRasterWindow>
+#include <QTextLayout>
+#include <memory>
+#include <qscopedpointer.h>
+#include <vector>
+
+#if defined(FCITX_ENABLE_QT6_WAYLAND_WORKAROUND) &&                            \
+    QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
+#include <QtWaylandClient/private/qwayland-xdg-shell.h>
+#endif
+
+namespace fcitx {
+
+class FcitxTheme;
+class MultilineText;
+class QFcitxPlatformInputContext;
+
+class FcitxCandidateWindow : public QRasterWindow {
+    Q_OBJECT
+public:
+    explicit FcitxCandidateWindow(QWindow *window,
+                                  QFcitxPlatformInputContext *context);
+    ~FcitxCandidateWindow();
+
+    void render(QPainter *painter);
+
+public Q_SLOTS:
+    void updateClientSideUI(const FcitxQtFormattedPreeditList &preedit,
+                            int cursorpos,
+                            const FcitxQtFormattedPreeditList &auxUp,
+                            const FcitxQtFormattedPreeditList &auxDown,
+                            const FcitxQtStringKeyValueList &candidates,
+                            int candidateIndex, int layoutHint, bool hasPrev,
+                            bool hasNext);
+
+    QSize sizeHint();
+
+Q_SIGNALS:
+    void candidateSelected(int i);
+    void prevClicked();
+    void nextClicked();
+
+protected:
+    bool event(QEvent *event) override;
+
+    void paintEvent(QPaintEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *) override;
+    void mouseReleaseEvent(QMouseEvent *) override;
+    void wheelEvent(QWheelEvent *) override;
+
+    int highlight() const {
+        int highlightIndex = (hoverIndex_ >= 0) ? hoverIndex_ : highlight_;
+        return highlightIndex;
+    }
+
+private:
+    const bool isWayland_ =
+        QGuiApplication::platformName().startsWith("wayland");
+    uint32_t repositionToken_ = 0;
+    QSize actualSize_;
+    QPointer<QFcitxPlatformInputContext> context_;
+    QPointer<FcitxTheme> theme_;
+    QTextLayout upperLayout_;
+    QTextLayout lowerLayout_;
+    std::vector<std::unique_ptr<MultilineText>> candidateLayouts_;
+    std::vector<std::unique_ptr<MultilineText>> labelLayouts_;
+    int cursor_ = -1;
+    int highlight_ = -1;
+    int hoverIndex_ = -1;
+    int accAngle_ = 0;
+    bool prevHovered_ = false;
+    bool nextHovered_ = false;
+    bool hasPrev_ = false;
+    bool hasNext_ = false;
+    FcitxCandidateLayoutHint layoutHint_ = FcitxCandidateLayoutHint::NotSet;
+    int candidatesHeight_ = 0;
+    QRect prevRegion_;
+    QRect nextRegion_;
+    std::vector<QRect> candidateRegions_;
+    QPointer<QWindow> parent_;
+
+#if defined(FCITX_ENABLE_QT6_WAYLAND_WORKAROUND) &&                            \
+    QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
+    QScopedPointer<QtWayland::xdg_wm_base> xdgWmBase_;
+#endif
+};
+
+} // namespace fcitx
+
+#endif // _PLATFORMINPUTCONTEXT_FCITXCANDIDATEWINDOW_H_