1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QWAYLANDTEXTINPUTV3_P_H
5#define QWAYLANDTEXTINPUTV3_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include "qwaylandtextinputinterface_p.h"
19#include <QtWaylandClient/private/qwayland-text-input-unstable-v3.h>
20#include <QLoggingCategory>
21
22struct wl_callback;
23struct wl_callback_listener;
24
25QT_BEGIN_NAMESPACE
26
27Q_DECLARE_LOGGING_CATEGORY(qLcQpaWaylandTextInput)
28
29namespace QtWaylandClient {
30
31class QWaylandDisplay;
32
33class QWaylandTextInputv3 : public QtWayland::zwp_text_input_v3, public QWaylandTextInputInterface
34{
35public:
36 QWaylandTextInputv3(QWaylandDisplay *display, struct ::zwp_text_input_v3 *text_input);
37 ~QWaylandTextInputv3() override;
38
39 void reset() override;
40 void commit() override;
41 void updateState(Qt::InputMethodQueries queries, uint32_t flags) override;
42 // TODO: not supported yet
43 void setCursorInsidePreedit(int cursor) override;
44
45 bool isInputPanelVisible() const override;
46 QRectF keyboardRect() const override;
47
48 QLocale locale() const override;
49 Qt::LayoutDirection inputDirection() const override;
50
51 void enableSurface(::wl_surface *) override;
52 void disableSurface(::wl_surface *) override;
53
54protected:
55 void zwp_text_input_v3_enter(struct ::wl_surface *surface) override;
56 void zwp_text_input_v3_leave(struct ::wl_surface *surface) override;
57 void zwp_text_input_v3_preedit_string(const QString &text, int32_t cursor_begin, int32_t cursor_end) override;
58 void zwp_text_input_v3_commit_string(const QString &text) override;
59 void zwp_text_input_v3_delete_surrounding_text(uint32_t before_length, uint32_t after_length) override;
60 void zwp_text_input_v3_done(uint32_t serial) override;
61
62private:
63 ::wl_surface *m_surface = nullptr; // ### Here for debugging purposes
64
65 struct PreeditInfo {
66 QString text;
67 int cursorBegin = 0;
68 int cursorEnd = 0;
69
70 void clear() {
71 text.clear();
72 cursorBegin = 0;
73 cursorEnd = 0;
74 }
75 friend bool operator==(const PreeditInfo& lhs, const PreeditInfo& rhs) {
76 return (lhs.text == rhs.text)
77 && (lhs.cursorBegin == rhs.cursorBegin)
78 && (lhs.cursorEnd == rhs.cursorEnd);
79 }
80 };
81
82 PreeditInfo m_pendingPreeditString;
83 PreeditInfo m_currentPreeditString;
84 QString m_pendingCommitString;
85 uint m_pendingDeleteBeforeText = 0; // byte length
86 uint m_pendingDeleteAfterText = 0; // byte length
87
88 QString m_surroundingText;
89 int m_cursor; // cursor position in QString
90 int m_cursorPos; // cursor position in wayland index
91 int m_anchorPos; // anchor position in wayland index
92 uint32_t m_contentHint = 0;
93 uint32_t m_contentPurpose = 0;
94 QRect m_cursorRect;
95
96 uint m_currentSerial = 0;
97
98 bool m_condReselection = false;
99};
100
101}
102
103QT_END_NAMESPACE
104
105#endif // QWAYLANDTEXTINPUTV3_P_H
106

source code of qtwayland/src/client/qwaylandtextinputv3_p.h