1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* SPDX-FileCopyrightText: 2012~2017 CSSlayer <wengxt@gmail.com>
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#ifndef QFCITXPLATFORMINPUTCONTEXT_H
#define QFCITXPLATFORMINPUTCONTEXT_H
#include "fcitxcandidatewindow.h"
#include "fcitxqtwatcher.h"
#include "hybridinputcontext.h"
#include <QDBusConnection>
#include <QDBusPendingCallWatcher>
#include <QDBusServiceWatcher>
#include <QGuiApplication>
#include <QKeyEvent>
#include <QPointer>
#include <QRect>
#include <QWindow>
#include <memory>
#include <qpa/qplatforminputcontext.h>
#include <unordered_map>
#include <xkbcommon/xkbcommon-compose.h>
namespace fcitx {
class FcitxQtConnection;
class QFcitxPlatformInputContext;
class FcitxQtICData : public QObject {
public:
FcitxQtICData(QFcitxPlatformInputContext *context, QWindow *window);
FcitxQtICData(const FcitxQtICData &that) = delete;
~FcitxQtICData() override;
FcitxCandidateWindow *candidateWindow();
QWindow *window() { return window_.data(); }
void resetCandidateWindow();
quint64 capability = 0;
HybridInputContext *proxy;
QRect rect;
// Last key event forwarded.
std::unique_ptr<QKeyEvent> event;
QString surroundingText;
int surroundingAnchor = -1;
int surroundingCursor = -1;
bool expectingMicroFocusChange = false;
bool eventFilter(QObject *watched, QEvent *event) override;
private:
QFcitxPlatformInputContext *context_;
QPointer<QWindow> window_;
QPointer<FcitxCandidateWindow> candidateWindow_;
};
class ProcessKeyWatcher : public QDBusPendingCallWatcher {
Q_OBJECT
public:
ProcessKeyWatcher(const QKeyEvent &event, QWindow *window,
const QDBusPendingCall &call, QObject *parent = nullptr)
: QDBusPendingCallWatcher(call, parent),
event_(event.type(), event.key(), event.modifiers(),
event.nativeScanCode(), event.nativeVirtualKey(),
event.nativeModifiers(), event.text(), event.isAutoRepeat(),
event.count()),
window_(window) {}
const QKeyEvent &keyEvent() { return event_; }
QWindow *window() { return window_.data(); }
private:
QKeyEvent event_;
QPointer<QWindow> window_;
};
struct XkbContextDeleter {
static inline void cleanup(struct xkb_context *pointer) {
if (pointer) {
xkb_context_unref(pointer);
}
}
};
struct XkbComposeTableDeleter {
static inline void cleanup(struct xkb_compose_table *pointer) {
if (pointer) {
xkb_compose_table_unref(pointer);
}
}
};
struct XkbComposeStateDeleter {
static inline void cleanup(struct xkb_compose_state *pointer) {
if (pointer) {
xkb_compose_state_unref(pointer);
}
}
};
class QFcitxPlatformInputContext : public QPlatformInputContext {
Q_OBJECT
public:
QFcitxPlatformInputContext();
~QFcitxPlatformInputContext() override;
bool isValid() const override;
void setFocusObject(QObject *object) override;
void invokeAction(QInputMethod::Action imAction,
int cursorPosition) override;
void reset() override;
void commit() override;
void update(Qt::InputMethodQueries queries) override;
bool filterEvent(const QEvent *event) override;
QLocale locale() const override;
bool hasCapability(Capability capability) const override;
void showInputPanel() override;
void hideInputPanel() override;
bool isInputPanelVisible() const override;
auto *watcher() { return watcher_; }
auto *fcitx4Watcher() { return fcitx4Watcher_; }
// Use Wrapper as suffix to avoid upstream add function with same name.
QObject *focusObjectWrapper() const;
QWindow *focusWindowWrapper() const;
QRect cursorRectangleWrapper() const;
// Initialize theme object on demand.
FcitxTheme *theme();
bool hasPreedit() const { return !preeditList_.isEmpty(); }
public Q_SLOTS:
void cursorRectChanged();
void commitString(const QString &str);
void updateFormattedPreedit(const FcitxQtFormattedPreeditList &preeditList,
int cursorPos);
void deleteSurroundingText(int offset, unsigned int nchar);
void forwardKey(unsigned int keyval, unsigned int state, bool type);
void createInputContextFinished(const QByteArray &uuid);
void cleanUp();
void windowDestroyed(QObject *object);
void updateCurrentIM(const QString &name, const QString &uniqueName,
const QString &langCode);
void updateClientSideUI(const FcitxQtFormattedPreeditList &preedit,
int cursorpos,
const FcitxQtFormattedPreeditList &auxUp,
const FcitxQtFormattedPreeditList &auxDown,
const FcitxQtStringKeyValueList &candidates,
int candidateIndex, int layoutHint, bool hasPrev,
bool hasNext);
void serverSideFocusOut();
bool commitPreedit(QPointer<QObject> input = qApp->focusObject());
private Q_SLOTS:
void processKeyEventFinished(QDBusPendingCallWatcher *);
private:
bool processCompose(unsigned int keyval, unsigned int state,
bool isRelease);
QKeyEvent *createKeyEvent(unsigned int keyval, unsigned int state,
bool isRelease, const QKeyEvent *event);
void forwardEvent(QWindow *window, const QKeyEvent &event);
void addCapability(FcitxQtICData &data, quint64 capability,
bool forceUpdate = false) {
auto newcaps = data.capability | capability;
if (data.capability != newcaps || forceUpdate) {
data.capability = newcaps;
updateCapability(data);
}
}
void removeCapability(FcitxQtICData &data, quint64 capability,
bool forceUpdate = false) {
auto newcaps = data.capability & (~capability);
if (data.capability != newcaps || forceUpdate) {
data.capability = newcaps;
updateCapability(data);
}
}
void updateCapability(const FcitxQtICData &data);
void createICData(QWindow *w);
HybridInputContext *validIC() const;
HybridInputContext *validICByWindow(QWindow *window) const;
bool filterEventFallback(unsigned int keyval, unsigned int keycode,
unsigned int state, bool isRelease);
void updateCursorRect();
bool objectAcceptsInputMethod() const;
bool shouldDisableInputMethod() const;
void updateInputPanelVisible();
FcitxQtWatcher *watcher_;
Fcitx4Watcher *fcitx4Watcher_;
QString preedit_;
QString commitPreedit_;
FcitxQtFormattedPreeditList preeditList_;
int cursorPos_;
bool useSurroundingText_;
bool syncMode_;
std::unordered_map<QWindow *, FcitxQtICData> icMap_;
QPointer<QWindow> lastWindow_;
QPointer<QObject> lastObject_;
bool destroy_;
bool virtualKeyboardVisible_;
QScopedPointer<struct xkb_context, XkbContextDeleter> xkbContext_;
QScopedPointer<struct xkb_compose_table, XkbComposeTableDeleter>
xkbComposeTable_;
QScopedPointer<struct xkb_compose_state, XkbComposeStateDeleter>
xkbComposeState_;
QLocale locale_;
FcitxTheme *theme_ = nullptr;
bool inputPanelVisible_ = false;
};
} // namespace fcitx
#endif // QFCITXPLATFORMINPUTCONTEXT_H
|
