1 files changed, 105 insertions, 0 deletions
diff --git a/src/client/qwaylandtextinputv3_p.h b/src/client/qwaylandtextinputv3_p.h
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--- /dev/null
+++ b/src/client/qwaylandtextinputv3_p.h
@@ -0,0 +1,105 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QWAYLANDTEXTINPUTV3_P_H
+#define QWAYLANDTEXTINPUTV3_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qwaylandtextinputinterface_p.h"
+#include <QtWaylandClient/private/qwayland-text-input-unstable-v3.h>
+#include <qwaylandinputmethodeventbuilder_p.h>
+#include <QLoggingCategory>
+
+struct wl_callback;
+struct wl_callback_listener;
+
+QT_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(qLcQpaWaylandTextInput)
+
+namespace QtWaylandClient {
+
+class QWaylandDisplay;
+
+class QWaylandTextInputv3 : public QtWayland::zwp_text_input_v3, public QWaylandTextInputInterface
+{
+public:
+    QWaylandTextInputv3(QWaylandDisplay *display, struct ::zwp_text_input_v3 *text_input);
+    ~QWaylandTextInputv3() override;
+
+    void reset() override;
+    void commit() override;
+    void updateState(Qt::InputMethodQueries queries, uint32_t flags) override;
+    // TODO: not supported yet
+    void setCursorInsidePreedit(int cursor) override;
+
+    bool isInputPanelVisible() const override;
+    QRectF keyboardRect() const override;
+
+    QLocale locale() const override;
+    Qt::LayoutDirection inputDirection() const override;
+
+    // doing nothing in zwp_text_input_v3.
+    // enter() and leave() takes the role to enable/disable the surface
+    void enableSurface(::wl_surface *) override {};
+    void disableSurface(::wl_surface *) override {};
+
+protected:
+    void zwp_text_input_v3_enter(struct ::wl_surface *surface) override;
+    void zwp_text_input_v3_leave(struct ::wl_surface *surface) override;
+    void zwp_text_input_v3_preedit_string(const QString &text, int32_t cursor_begin, int32_t cursor_end) override;
+    void zwp_text_input_v3_commit_string(const QString &text) override;
+    void zwp_text_input_v3_delete_surrounding_text(uint32_t before_length, uint32_t after_length) override;
+    void zwp_text_input_v3_done(uint32_t serial) override;
+
+private:
+    QWaylandInputMethodEventBuilder m_builder;
+
+    ::wl_surface *m_surface = nullptr; // ### Here for debugging purposes
+
+    struct PreeditInfo {
+        QString text;
+        int cursorBegin = 0;
+        int cursorEnd = 0;
+
+        void clear() {
+            text.clear();
+            cursorBegin = 0;
+            cursorEnd = 0;
+        }
+    };
+
+    PreeditInfo m_pendingPreeditString;
+    PreeditInfo m_currentPreeditString;
+    QString m_pendingCommitString;
+    uint m_pendingDeleteBeforeText = 0;
+    uint m_pendingDeleteAfterText = 0;
+
+    QString m_surroundingText;
+    int m_cursor; // cursor position in QString
+    int m_cursorPos; // cursor position in wayland index
+    int m_anchorPos; // anchor position in wayland index
+    uint32_t m_contentHint = 0;
+    uint32_t m_contentPurpose = 0;
+    QRect m_cursorRect;
+
+    uint m_currentSerial = 0;
+
+    bool m_condReselection = false;
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif // QWAYLANDTEXTINPUTV3_P_H