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40 ****************************************************************************/
41 #include <qconfig.h>
42 #include <qglobal.h>
43 #ifndef QT_NO_IM
44 #include <qvarlengtharray.h>
45 #include <qwidget.h>
46 #include <private/qmacinputcontext_p.h>
47 #include "qtextformat.h"
48 #include <qdebug.h>
49 #include <private/qapplication_p.h>
50 #include <private/qkeymapper_p.h>
51
52 QT_BEGIN_NAMESPACE
53
54 extern bool qt_sendSpontaneousEvent(QObject*, QEvent*);
55
56 #if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5)
57 # define typeRefCon typeSInt32
58 # define typeByteCount typeSInt32
59 #endif
60
QMacInputContext(QObject * parent)61 QMacInputContext::QMacInputContext(QObject *parent)
62 : QInputContext(parent), composing(false), recursionGuard(false), textDocument(0),
63 keydownEvent(0), lastFocusWid(0)
64 {
65 // createTextDocument();
66 }
67
~QMacInputContext()68 QMacInputContext::~QMacInputContext()
69 {
70 #ifndef QT_MAC_USE_COCOA
71 if(textDocument)
72 DeleteTSMDocument(textDocument);
73 #endif
74 }
75
76 void
createTextDocument()77 QMacInputContext::createTextDocument()
78 {
79 #ifndef QT_MAC_USE_COCOA
80 if(!textDocument) {
81 InterfaceTypeList itl = { kUnicodeDocument };
82 NewTSMDocument(1, itl, &textDocument, SRefCon(this));
83 }
84 #endif
85 }
86
87
language()88 QString QMacInputContext::language()
89 {
90 return QString();
91 }
92
93
mouseHandler(int pos,QMouseEvent * e)94 void QMacInputContext::mouseHandler(int pos, QMouseEvent *e)
95 {
96 #ifndef QT_MAC_USE_COCOA
97 if(e->type() != QEvent::MouseButtonPress)
98 return;
99
100 if (!composing)
101 return;
102 if (pos < 0 || pos > currentText.length())
103 reset();
104 // ##### handle mouse position
105 #else
106 Q_UNUSED(pos);
107 Q_UNUSED(e);
108 #endif
109 }
110
111 #if !defined QT_MAC_USE_COCOA
112
qt_mac_compose_format()113 static QTextFormat qt_mac_compose_format()
114 {
115 QTextCharFormat ret;
116 ret.setFontUnderline(true);
117 return ret;
118 }
119
reset()120 void QMacInputContext::reset()
121 {
122 if (recursionGuard)
123 return;
124 if (!currentText.isEmpty()){
125 QInputMethodEvent e;
126 e.setCommitString(currentText);
127 qt_sendSpontaneousEvent(focusWidget(), &e);
128 currentText = QString();
129 }
130 recursionGuard = true;
131 createTextDocument();
132 composing = false;
133 ActivateTSMDocument(textDocument);
134 FixTSMDocument(textDocument);
135 recursionGuard = false;
136 }
137
isComposing() const138 bool QMacInputContext::isComposing() const
139 {
140 return composing;
141 }
142 #endif
143
setFocusWidget(QWidget * w)144 void QMacInputContext::setFocusWidget(QWidget *w)
145 {
146 if (!w)
147 lastFocusWid = focusWidget();
148 createTextDocument();
149 #ifndef QT_MAC_USE_COCOA
150 if(w)
151 ActivateTSMDocument(textDocument);
152 else
153 DeactivateTSMDocument(textDocument);
154 #endif
155 QInputContext::setFocusWidget(w);
156 }
157
158
159 #ifndef QT_MAC_USE_COCOA
160 static EventTypeSpec input_events[] = {
161 { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent },
162 { kEventClassTextInput, kEventTextInputOffsetToPos },
163 { kEventClassTextInput, kEventTextInputUpdateActiveInputArea }
164 };
165 static EventHandlerUPP input_proc_handlerUPP = 0;
166 static EventHandlerRef input_proc_handler = 0;
167 #endif
168
169 void
initialize()170 QMacInputContext::initialize()
171 {
172 #ifndef QT_MAC_USE_COCOA
173 if(!input_proc_handler) {
174 input_proc_handlerUPP = NewEventHandlerUPP(QMacInputContext::globalEventProcessor);
175 InstallEventHandler(GetApplicationEventTarget(), input_proc_handlerUPP,
176 GetEventTypeCount(input_events), input_events,
177 0, &input_proc_handler);
178 }
179 #endif
180 }
181
182 void
cleanup()183 QMacInputContext::cleanup()
184 {
185 #ifndef QT_MAC_USE_COCOA
186 if(input_proc_handler) {
187 RemoveEventHandler(input_proc_handler);
188 input_proc_handler = 0;
189 }
190 if(input_proc_handlerUPP) {
191 DisposeEventHandlerUPP(input_proc_handlerUPP);
192 input_proc_handlerUPP = 0;
193 }
194 #endif
195 }
196
setLastKeydownEvent(EventRef event)197 void QMacInputContext::setLastKeydownEvent(EventRef event)
198 {
199 EventRef tmpEvent = keydownEvent;
200 keydownEvent = event;
201 if (keydownEvent)
202 RetainEvent(keydownEvent);
203 if (tmpEvent)
204 ReleaseEvent(tmpEvent);
205 }
206
207 OSStatus
globalEventProcessor(EventHandlerCallRef,EventRef event,void *)208 QMacInputContext::globalEventProcessor(EventHandlerCallRef, EventRef event, void *)
209 {
210 #ifndef QT_MAC_USE_COCOA
211 QScopedLoopLevelCounter loopLevelCounter(QApplicationPrivate::instance()->threadData);
212
213 SRefCon refcon = 0;
214 GetEventParameter(event, kEventParamTextInputSendRefCon, typeRefCon, 0,
215 sizeof(refcon), 0, &refcon);
216 QMacInputContext *context = reinterpret_cast<QMacInputContext*>(refcon);
217
218 bool handled_event=true;
219 UInt32 ekind = GetEventKind(event), eclass = GetEventClass(event);
220 switch(eclass) {
221 case kEventClassTextInput: {
222 handled_event = false;
223 QWidget *widget = QApplicationPrivate::focus_widget;
224 bool canCompose = widget && (!context || widget->inputContext() == context)
225 && !(widget->inputMethodHints() & Qt::ImhDigitsOnly
226 || widget->inputMethodHints() & Qt::ImhFormattedNumbersOnly
227 || widget->inputMethodHints() & Qt::ImhHiddenText);
228 if(!canCompose) {
229 handled_event = false;
230 } else if(ekind == kEventTextInputOffsetToPos) {
231 if(!widget->testAttribute(Qt::WA_InputMethodEnabled)) {
232 handled_event = false;
233 break;
234 }
235
236 QRect mr(widget->inputMethodQuery(Qt::ImMicroFocus).toRect());
237 QPoint mp(widget->mapToGlobal(QPoint(mr.topLeft())));
238 Point pt;
239 pt.h = mp.x();
240 pt.v = mp.y() + mr.height();
241 SetEventParameter(event, kEventParamTextInputReplyPoint, typeQDPoint,
242 sizeof(pt), &pt);
243 handled_event = true;
244 } else if(ekind == kEventTextInputUpdateActiveInputArea) {
245 if(!widget->testAttribute(Qt::WA_InputMethodEnabled)) {
246 handled_event = false;
247 break;
248 }
249
250 if (context->recursionGuard)
251 break;
252
253 ByteCount unilen = 0;
254 GetEventParameter(event, kEventParamTextInputSendText, typeUnicodeText,
255 0, 0, &unilen, 0);
256 UniChar *unicode = (UniChar*)NewPtr(unilen);
257 GetEventParameter(event, kEventParamTextInputSendText, typeUnicodeText,
258 0, unilen, 0, unicode);
259 QString text((QChar*)unicode, unilen / sizeof(UniChar));
260 DisposePtr((char*)unicode);
261
262 ByteCount fixed_length = 0;
263 GetEventParameter(event, kEventParamTextInputSendFixLen, typeByteCount, 0,
264 sizeof(fixed_length), 0, &fixed_length);
265 if(fixed_length == ULONG_MAX || fixed_length == unilen) {
266 QInputMethodEvent e;
267 e.setCommitString(text);
268 context->currentText = QString();
269 qt_sendSpontaneousEvent(context->focusWidget(), &e);
270 handled_event = true;
271 context->reset();
272 } else {
273 ByteCount rngSize = 0;
274 OSStatus err = GetEventParameter(event, kEventParamTextInputSendHiliteRng, typeTextRangeArray, 0,
275 0, &rngSize, 0);
276 QVarLengthArray<TextRangeArray> highlight(rngSize);
277 if (noErr == err) {
278 err = GetEventParameter(event, kEventParamTextInputSendHiliteRng, typeTextRangeArray, 0,
279 rngSize, &rngSize, highlight.data());
280 }
281 context->composing = true;
282 if(fixed_length > 0) {
283 const int qFixedLength = fixed_length / sizeof(UniChar);
284 QList<QInputMethodEvent::Attribute> attrs;
285 attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat,
286 qFixedLength, text.length()-qFixedLength,
287 qt_mac_compose_format());
288 QInputMethodEvent e(text, attrs);
289 context->currentText = text;
290 e.setCommitString(text.left(qFixedLength), 0, qFixedLength);
291 qt_sendSpontaneousEvent(widget, &e);
292 handled_event = true;
293 } else {
294 /* Apple's enums that they have removed from Tiger :(
295 enum {
296 kCaretPosition = 1,
297 kRawText = 2,
298 kSelectedRawText = 3,
299 kConvertedText = 4,
300 kSelectedConvertedText = 5,
301 kBlockFillText = 6,
302 kOutlineText = 7,
303 kSelectedText = 8
304 };
305 */
306 #ifndef kConvertedText
307 #define kConvertedText 4
308 #endif
309 #ifndef kCaretPosition
310 #define kCaretPosition 1
311 #endif
312 QList<QInputMethodEvent::Attribute> attrs;
313 if (!highlight.isEmpty()) {
314 TextRangeArray *data = highlight.data();
315 for (int i = 0; i < data->fNumOfRanges; ++i) {
316 int start = data->fRange[i].fStart / sizeof(UniChar);
317 int len = (data->fRange[i].fEnd - data->fRange[i].fStart) / sizeof(UniChar);
318 if (data->fRange[i].fHiliteStyle == kCaretPosition) {
319 attrs << QInputMethodEvent::Attribute(QInputMethodEvent::Cursor, start, 0, QVariant());
320 continue;
321 }
322 QTextCharFormat format;
323 format.setFontUnderline(true);
324 if (data->fRange[i].fHiliteStyle == kConvertedText)
325 format.setUnderlineColor(Qt::gray);
326 else
327 format.setUnderlineColor(Qt::black);
328 attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat, start, len, format);
329 }
330 } else {
331 attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat,
332 0, text.length(), qt_mac_compose_format());
333 }
334 context->currentText = text;
335 QInputMethodEvent e(text, attrs);
336 qt_sendSpontaneousEvent(widget, &e);
337 handled_event = true;
338 }
339 }
340 #if 0
341 if(!context->composing)
342 handled_event = false;
343 #endif
344
345 extern bool qt_mac_eat_unicode_key; //qapplication_mac.cpp
346 qt_mac_eat_unicode_key = handled_event;
347 } else if(ekind == kEventTextInputUnicodeForKeyEvent) {
348 EventRef key_ev = 0;
349 GetEventParameter(event, kEventParamTextInputSendKeyboardEvent, typeEventRef, 0,
350 sizeof(key_ev), 0, &key_ev);
351 QString text;
352 ByteCount unilen = 0;
353 if(GetEventParameter(key_ev, kEventParamKeyUnicodes, typeUnicodeText, 0, 0, &unilen, 0) == noErr) {
354 UniChar *unicode = (UniChar*)NewPtr(unilen);
355 GetEventParameter(key_ev, kEventParamKeyUnicodes, typeUnicodeText, 0, unilen, 0, unicode);
356 text = QString((QChar*)unicode, unilen / sizeof(UniChar));
357 DisposePtr((char*)unicode);
358 }
359 unsigned char chr = 0;
360 GetEventParameter(key_ev, kEventParamKeyMacCharCodes, typeChar, 0, sizeof(chr), 0, &chr);
361 if(!chr || chr >= 128 || (text.length() > 0 && (text.length() > 1 || text.at(0) != QLatin1Char(chr))))
362 handled_event = !widget->testAttribute(Qt::WA_InputMethodEnabled);
363 QMacInputContext *context = qobject_cast<QMacInputContext*>(qApp->inputContext());
364 if (context && context->lastKeydownEvent()) {
365 qt_keymapper_private()->translateKeyEvent(widget, 0, context->lastKeydownEvent(),
366 0, false);
367 context->setLastKeydownEvent(0);
368 }
369 }
370 break; }
371 default:
372 break;
373 }
374 if(!handled_event) //let the event go through
375 return eventNotHandledErr;
376 #else
377 Q_UNUSED(event);
378 #endif
379 return noErr; //we eat the event
380 }
381
382 QT_END_NAMESPACE
383 #endif // QT_NO_IM
384