1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
|
4 ** All rights reserved. |
|
5 ** Contact: Nokia Corporation (developer.feedback@nokia.com) |
|
6 ** |
|
7 ** This file is part of the HbPlugins module of the UI Extensions for Mobile. |
|
8 ** |
|
9 ** GNU Lesser General Public License Usage |
|
10 ** This file may be used under the terms of the GNU Lesser General Public |
|
11 ** License version 2.1 as published by the Free Software Foundation and |
|
12 ** appearing in the file LICENSE.LGPL included in the packaging of this file. |
|
13 ** Please review the following information to ensure the GNU Lesser General |
|
14 ** Public License version 2.1 requirements will be met: |
|
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
16 ** |
|
17 ** In addition, as a special exception, Nokia gives you certain additional |
|
18 ** rights. These rights are described in the Nokia Qt LGPL Exception |
|
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
20 ** |
|
21 ** If you have questions regarding the use of this file, please contact |
|
22 ** Nokia at developer.feedback@nokia.com. |
|
23 ** |
|
24 ****************************************************************************/ |
|
25 #include <QTimer> |
|
26 |
|
27 #include <hbinputsettingproxy.h> |
|
28 #include <hbinputkeymapfactory.h> |
|
29 #include <hbinputpredictionengine.h> |
|
30 #include <hbinputbutton.h> |
|
31 |
|
32 #include "virtual12key.h" |
|
33 |
|
34 #include "hbinputprediction12keyhandler_p.h" |
|
35 #include "hbinputprediction12keythaihandler.h" |
|
36 |
|
37 class HbInputPrediction12KeyThaiHandlerPrivate: public HbInputPrediction12KeyHandlerPrivate |
|
38 { |
|
39 Q_DECLARE_PUBLIC(HbInputPrediction12KeyThaiHandler) |
|
40 |
|
41 public: |
|
42 HbInputPrediction12KeyThaiHandlerPrivate(); |
|
43 ~HbInputPrediction12KeyThaiHandlerPrivate(); |
|
44 |
|
45 bool buttonReleased(const QKeyEvent *keyEvent); |
|
46 bool buttonPressed(const QKeyEvent *keyEvent); |
|
47 }; |
|
48 |
|
49 HbInputPrediction12KeyThaiHandlerPrivate::HbInputPrediction12KeyThaiHandlerPrivate() |
|
50 { |
|
51 } |
|
52 |
|
53 HbInputPrediction12KeyThaiHandlerPrivate::~HbInputPrediction12KeyThaiHandlerPrivate() |
|
54 { |
|
55 |
|
56 } |
|
57 |
|
58 bool HbInputPrediction12KeyThaiHandlerPrivate::buttonPressed(const QKeyEvent *keyEvent) |
|
59 { |
|
60 Q_Q(HbInputPrediction12KeyThaiHandler); |
|
61 |
|
62 mLongPressHappened = false; |
|
63 HbInputFocusObject *focusObject = 0; |
|
64 focusObject = mInputMethod->focusObject(); |
|
65 if (!focusObject) { |
|
66 return false; |
|
67 } |
|
68 |
|
69 int buttonId = keyEvent->key(); |
|
70 |
|
71 if (keyEvent->isAutoRepeat() && mLastKey == buttonId) { |
|
72 if (buttonId == Qt::Key_0) { |
|
73 q->actionHandler(HbInputModeHandler::HbInputModeActionCommit); |
|
74 q->commitFirstMappedNumber(buttonId, mInputMethod->currentKeyboardType()); |
|
75 mLongPressHappened = true; |
|
76 } else if (buttonId != HbInputButton::ButtonKeyCodeAsterisk) { |
|
77 return HbInputPrediction12KeyHandlerPrivate::buttonPressed(keyEvent); |
|
78 } |
|
79 if (mLongPressHappened) { |
|
80 mLastKey = 0; |
|
81 return true; |
|
82 } |
|
83 } |
|
84 |
|
85 //Pass the event to base class except Shift key |
|
86 if (buttonId == Qt::Key_Shift) { |
|
87 mLastKey = buttonId; |
|
88 mButtonDown = true; |
|
89 } else { |
|
90 return HbInputPrediction12KeyHandlerPrivate::buttonPressed(keyEvent); |
|
91 } |
|
92 return false; |
|
93 } |
|
94 |
|
95 /*! |
|
96 Handles the key release events from the VKB. Launches the SCT with key release event of |
|
97 asterisk. |
|
98 */ |
|
99 bool HbInputPrediction12KeyThaiHandlerPrivate::buttonReleased(const QKeyEvent *keyEvent) |
|
100 { |
|
101 Q_Q(HbInputPrediction12KeyHandler); |
|
102 |
|
103 if(!mButtonDown || mLongPressHappened){ |
|
104 mLongPressHappened = false; |
|
105 return false; |
|
106 } |
|
107 |
|
108 int buttonId = keyEvent->key(); |
|
109 |
|
110 if (buttonId == HbInputButton::ButtonKeyCodeAsterisk && !mInputMethod->isSctModeActive()) { |
|
111 //Handle if key Asterisk pressed and SCT is not launched or else pass it to base handlers |
|
112 if (q->HbInputPredictionHandler::filterEvent(keyEvent)) { |
|
113 mButtonDown = false; |
|
114 return true; |
|
115 } |
|
116 } else if ( buttonId == HbInputButton::ButtonKeyCodeShift ) { |
|
117 //As we can't map charatcers to Shift key in keymapping, making use of "#" key i.e. Qt::Key_NumberSign |
|
118 //in keymapping and manipulating event to Qt::Key_NumberSign when shift key is pressed |
|
119 const QKeyEvent *event = new QKeyEvent(QEvent::KeyPress, Qt::Key_NumberSign, Qt::NoModifier); |
|
120 if (q->HbInputPredictionHandler::filterEvent(event)) { |
|
121 mButtonDown = false; |
|
122 return true; |
|
123 } |
|
124 } else { |
|
125 HbInputPrediction12KeyHandlerPrivate::buttonReleased(keyEvent); |
|
126 } |
|
127 return false; |
|
128 } |
|
129 |
|
130 |
|
131 HbInputPrediction12KeyThaiHandler::HbInputPrediction12KeyThaiHandler(HbInputAbstractMethod *inputMethod) |
|
132 :HbInputPrediction12KeyHandler(* new HbInputPrediction12KeyThaiHandlerPrivate, inputMethod) |
|
133 { |
|
134 Q_D(HbInputPrediction12KeyThaiHandler); |
|
135 d->q_ptr = this; |
|
136 } |
|
137 |
|
138 HbInputPrediction12KeyThaiHandler::~HbInputPrediction12KeyThaiHandler() |
|
139 { |
|
140 } |
|
141 /*! |
|
142 filterEvent to handler keypress/release events. |
|
143 */ |
|
144 |
|
145 bool HbInputPrediction12KeyThaiHandler::filterEvent(const QKeyEvent * event) |
|
146 { |
|
147 Q_D(HbInputPrediction12KeyThaiHandler); |
|
148 HbInputFocusObject *focusObject = 0; |
|
149 focusObject = d->mInputMethod->focusObject(); |
|
150 |
|
151 //If there was a handling for empty candidate-list, i.e. the engine did not predict |
|
152 //any meaningful word for the input sequence. |
|
153 |
|
154 if(!d->mCanContinuePrediction) { |
|
155 int eventKey = event->key(); |
|
156 //let's us return If engine did not predict any meaningful word for the input sequence |
|
157 //for Shift,Asterisk and Control |
|
158 if(eventKey == Qt::Key_Control || eventKey == Qt::Key_0) { |
|
159 if(d->mCandidates->size() && focusObject ) { |
|
160 //Remove the "?" mark |
|
161 (*d->mCandidates)[d->mBestGuessLocation].chop(1); |
|
162 d->updateEditor(); |
|
163 d->mCanContinuePrediction = true; |
|
164 } |
|
165 } else if (eventKey != Qt::Key_Shift && eventKey != Qt::Key_Asterisk){ |
|
166 // For Shift key and Asterisk key Will handle it in button release Since we have character mapped to Shift and Asterisk |
|
167 // or else pass it to Prediction12KeyHandler handler |
|
168 HbInputPrediction12KeyHandler::filterEvent(event); |
|
169 } |
|
170 } |
|
171 |
|
172 // If the word is in inline edit First tap of Qt::Key_0 should commit the word in the editor |
|
173 // For successive tap prediction mode can't handle Qt::Key_0, so we will emit a passFilterEvent |
|
174 // this signal must be connected to by the plugin to a modehandler. |
|
175 // which can handle it. |
|
176 |
|
177 if (event->key() == Qt::Key_0 && d->mEngine->inputLength() >= 1 ) { |
|
178 if(event->type() == QEvent::KeyPress) { |
|
179 d->mButtonDown = true; |
|
180 } else if(event->type() == QEvent::KeyRelease) { |
|
181 d->mTimer->stop(); |
|
182 d->mButtonDown = false; |
|
183 actionHandler(HbInputModeHandler::HbInputModeActionCommit); |
|
184 } |
|
185 d->mLastKey = Qt::Key_0; |
|
186 return true; |
|
187 } else if (event->key() == Qt::Key_0) { |
|
188 emit passFilterEvent(event); |
|
189 d->mLastKey = Qt::Key_0; |
|
190 return true; |
|
191 } else { |
|
192 if (d->mLastKey == Qt::Key_0) { |
|
193 emit passActionHandler(HbInputModeActionCommit); |
|
194 } |
|
195 if (event->type() == QEvent::KeyRelease) { |
|
196 return d->buttonReleased(event); |
|
197 } else { |
|
198 return d->buttonPressed(event); |
|
199 } |
|
200 } |
|
201 } |
|
202 |
|
203 |
|
204 //EOF |
|
205 |
|