diff options
Diffstat (limited to 'src/gui/inputmethod/qximinputcontext_x11.cpp')
| -rw-r--r-- | src/gui/inputmethod/qximinputcontext_x11.cpp | 885 |
1 files changed, 0 insertions, 885 deletions
diff --git a/src/gui/inputmethod/qximinputcontext_x11.cpp b/src/gui/inputmethod/qximinputcontext_x11.cpp deleted file mode 100644 index 155796828e..0000000000 --- a/src/gui/inputmethod/qximinputcontext_x11.cpp +++ /dev/null @@ -1,885 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -/**************************************************************************** -** -** Implementation of QXIMInputContext class -** -** Copyright (C) 2003-2004 immodule for Qt Project. All rights reserved. -** -** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own -** license. You may use this file under your Qt license. Following -** description is copied from their original file headers. Contact -** immodule-qt@freedesktop.org if any conditions of this licensing are -** not clear to you. -** -****************************************************************************/ - -#include "qplatformdefs.h" -#include "qdebug.h" -#include "qximinputcontext_p.h" - -#if !defined(QT_NO_IM) - -QT_BEGIN_NAMESPACE - -#if !defined(QT_NO_XIM) - -QT_BEGIN_INCLUDE_NAMESPACE -#include "qplatformdefs.h" - -#include "qapplication.h" -#include "qwidget.h" -#include "qstring.h" -#include "qlist.h" -#include "qtextcodec.h" -#include "qevent.h" -#include "qtextformat.h" - -#include "qx11info_x11.h" - -#include <stdlib.h> -#include <limits.h> -QT_END_INCLUDE_NAMESPACE - -// #define QT_XIM_DEBUG -#ifdef QT_XIM_DEBUG -#define XIM_DEBUG qDebug -#else -#define XIM_DEBUG if (0) qDebug -#endif - -// from qapplication_x11.cpp -// #### move to X11 struct -extern XIMStyle qt_xim_preferred_style; -extern char *qt_ximServer; -extern int qt_ximComposingKeycode; -extern QTextCodec * qt_input_mapper; - -XIMStyle QXIMInputContext::xim_style = 0; -// moved from qapplication_x11.cpp -static const XIMStyle xim_default_style = XIMPreeditCallbacks | XIMStatusNothing; - - -extern "C" { -#ifdef USE_X11R6_XIM - static void xim_create_callback(XIM /*im*/, - XPointer client_data, - XPointer /*call_data*/) - { - QXIMInputContext *qic = reinterpret_cast<QXIMInputContext *>(client_data); - // qDebug("xim_create_callback"); - qic->create_xim(); - } - - static void xim_destroy_callback(XIM /*im*/, - XPointer client_data, - XPointer /*call_data*/) - { - QXIMInputContext *qic = reinterpret_cast<QXIMInputContext *>(client_data); - // qDebug("xim_destroy_callback"); - qic->close_xim(); - XRegisterIMInstantiateCallback(X11->display, 0, 0, 0, - (XIMProc) xim_create_callback, reinterpret_cast<char *>(qic)); - } -#endif // USE_X11R6_XIM - - static int xic_start_callback(XIC, XPointer client_data, XPointer) { - QXIMInputContext *qic = (QXIMInputContext *) client_data; - if (!qic) { - XIM_DEBUG("xic_start_callback: no qic"); - return 0; - } - QXIMInputContext::ICData *data = qic->icData(); - if (!data) { - XIM_DEBUG("xic_start_callback: no ic data"); - return 0; - } - XIM_DEBUG("xic_start_callback"); - - data->clear(); - data->composing = true; - - return 0; - } - - static int xic_draw_callback(XIC, XPointer client_data, XPointer call_data) { - QXIMInputContext *qic = (QXIMInputContext *) client_data; - if (!qic) { - XIM_DEBUG("xic_draw_callback: no qic"); - return 0; - } - QXIMInputContext::ICData *data = qic->icData(); - if (!data) { - XIM_DEBUG("xic_draw_callback: no ic data"); - return 0; - } - XIM_DEBUG("xic_draw_callback"); - - - if(!data->composing) { - data->clear(); - data->composing = true; - } - - XIMPreeditDrawCallbackStruct *drawstruct = (XIMPreeditDrawCallbackStruct *) call_data; - XIMText *text = (XIMText *) drawstruct->text; - int cursor = drawstruct->caret, sellen = 0, selstart = 0; - - if (!drawstruct->caret && !drawstruct->chg_first && !drawstruct->chg_length && !text) { - if(data->text.isEmpty()) { - XIM_DEBUG("compose emptied"); - // if the composition string has been emptied, we need - // to send an InputMethodEnd event - QInputMethodEvent e; - qic->sendEvent(e); - data->clear(); - - // if the commit string has coming after here, InputMethodStart - // will be sent dynamically - } - return 0; - } - - if (text) { - char *str = 0; - if (text->encoding_is_wchar) { - int l = wcstombs(NULL, text->string.wide_char, text->length); - if (l != -1) { - str = new char[l + 1]; - wcstombs(str, text->string.wide_char, l); - str[l] = 0; - } - } else - str = text->string.multi_byte; - - if (!str) - return 0; - - QString s = QString::fromLocal8Bit(str); - - if (text->encoding_is_wchar) - delete [] str; - - if (drawstruct->chg_length < 0) - data->text.replace(drawstruct->chg_first, INT_MAX, s); - else - data->text.replace(drawstruct->chg_first, drawstruct->chg_length, s); - - if (data->selectedChars.size() < data->text.length()) { - // expand the selectedChars array if the compose string is longer - int from = data->selectedChars.size(); - data->selectedChars.resize(data->text.length()); - for (int x = from; x < data->selectedChars.size(); ++x) - data->selectedChars.clearBit(x); - } - - // determine if the changed chars are selected based on text->feedback - for (int x = 0; x < text->length; ++x) - data->selectedChars.setBit(x + drawstruct->chg_first, - (text->feedback ? (text->feedback[x] & XIMReverse) : 0)); - - // figure out where the selection starts, and how long it is - bool started = false; - for (int x = 0; x < qMin(data->selectedChars.size(), data->text.length()); ++x) { - if (started) { - if (data->selectedChars.testBit(x)) ++sellen; - else break; - } else { - if (data->selectedChars.testBit(x)) { - selstart = x; - started = true; - sellen = 1; - } - } - } - } else { - if (drawstruct->chg_length == 0) - drawstruct->chg_length = -1; - - data->text.remove(drawstruct->chg_first, drawstruct->chg_length); - bool qt_compose_emptied = data->text.isEmpty(); - if (qt_compose_emptied) { - XIM_DEBUG("compose emptied 2 text=%s", data->text.toUtf8().constData()); - // if the composition string has been emptied, we need - // to send an InputMethodEnd event - QInputMethodEvent e; - qic->sendEvent(e); - data->clear(); - // if the commit string has coming after here, InputMethodStart - // will be sent dynamically - return 0; - } - } - - XIM_DEBUG("sending compose: '%s', cursor=%d, sellen=%d", - data->text.toUtf8().constData(), cursor, sellen); - QList<QInputMethodEvent::Attribute> attrs; - if (selstart > 0) - attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat, 0, selstart, - qic->standardFormat(QInputContext::PreeditFormat)); - if (sellen) - attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat, selstart, sellen, - qic->standardFormat(QInputContext::SelectionFormat)); - if (selstart + sellen < data->text.length()) - attrs << QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat, - selstart + sellen, data->text.length() - selstart - sellen, - qic->standardFormat(QInputContext::PreeditFormat)); - attrs << QInputMethodEvent::Attribute(QInputMethodEvent::Cursor, cursor, sellen ? 0 : 1, QVariant()); - QInputMethodEvent e(data->text, attrs); - data->preeditEmpty = data->text.isEmpty(); - qic->sendEvent(e); - - return 0; - } - - static int xic_done_callback(XIC, XPointer client_data, XPointer) { - QXIMInputContext *qic = (QXIMInputContext *) client_data; - if (!qic) - return 0; - - XIM_DEBUG("xic_done_callback"); - // Don't send InputMethodEnd here. QXIMInputContext::x11FilterEvent() - // handles InputMethodEnd with commit string. - return 0; - } -} - -void QXIMInputContext::ICData::clear() -{ - text = QString(); - selectedChars.clear(); - composing = false; - preeditEmpty = true; -} - -QXIMInputContext::ICData *QXIMInputContext::icData() const -{ - if (QWidget *w = focusWidget()) - return ximData.value(w->effectiveWinId()); - return 0; -} -/* The cache here is needed, as X11 leaks a few kb for every - XFreeFontSet call, so we avoid creating and deletion of fontsets as - much as possible -*/ -static XFontSet fontsetCache[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; -static int fontsetRefCount = 0; - -static const char * const fontsetnames[] = { - "-*-fixed-medium-r-*-*-16-*,-*-*-medium-r-*-*-16-*", - "-*-fixed-medium-i-*-*-16-*,-*-*-medium-i-*-*-16-*", - "-*-fixed-bold-r-*-*-16-*,-*-*-bold-r-*-*-16-*", - "-*-fixed-bold-i-*-*-16-*,-*-*-bold-i-*-*-16-*", - "-*-fixed-medium-r-*-*-24-*,-*-*-medium-r-*-*-24-*", - "-*-fixed-medium-i-*-*-24-*,-*-*-medium-i-*-*-24-*", - "-*-fixed-bold-r-*-*-24-*,-*-*-bold-r-*-*-24-*", - "-*-fixed-bold-i-*-*-24-*,-*-*-bold-i-*-*-24-*" -}; - -static XFontSet getFontSet(const QFont &f) -{ - int i = 0; - if (f.italic()) - i |= 1; - if (f.bold()) - i |= 2; - - if (f.pointSize() > 20) - i += 4; - - if (!fontsetCache[i]) { - Display* dpy = X11->display; - int missCount; - char** missList; - fontsetCache[i] = XCreateFontSet(dpy, fontsetnames[i], &missList, &missCount, 0); - if(missCount > 0) - XFreeStringList(missList); - if (!fontsetCache[i]) { - fontsetCache[i] = XCreateFontSet(dpy, "-*-fixed-*-*-*-*-16-*", &missList, &missCount, 0); - if(missCount > 0) - XFreeStringList(missList); - if (!fontsetCache[i]) - fontsetCache[i] = (XFontSet)-1; - } - } - return (fontsetCache[i] == (XFontSet)-1) ? 0 : fontsetCache[i]; -} - -extern bool qt_use_rtl_extensions; // from qapplication_x11.cpp -#ifndef QT_NO_XKB -extern QLocale q_getKeyboardLocale(const QByteArray &layoutName, const QByteArray &variantName); -#endif - -QXIMInputContext::QXIMInputContext() -{ - if (!qt_xim_preferred_style) // no configured input style, use the default - qt_xim_preferred_style = xim_default_style; - - xim = 0; - QByteArray ximServerName(qt_ximServer); - if (qt_ximServer) - ximServerName.prepend("@im="); - else - ximServerName = ""; - - if (!XSupportsLocale()) -#ifndef QT_NO_DEBUG - qWarning("Qt: Locale not supported on X server") -#endif - ; -#ifdef USE_X11R6_XIM - else if (XSetLocaleModifiers (ximServerName.constData()) == 0) - qWarning("Qt: Cannot set locale modifiers: %s", ximServerName.constData()); - else - XRegisterIMInstantiateCallback(X11->display, 0, 0, 0, - (XIMProc) xim_create_callback, reinterpret_cast<char *>(this)); -#else // !USE_X11R6_XIM - else if (XSetLocaleModifiers ("") == 0) - qWarning("Qt: Cannot set locale modifiers"); - else - QXIMInputContext::create_xim(); -#endif // USE_X11R6_XIM - -#ifndef QT_NO_XKB - if (X11->use_xkb) { - QByteArray layoutName; - QByteArray variantName; - - Atom type = XNone; - int format = 0; - ulong nitems = 0; - ulong bytesAfter = 0; - uchar *data = 0; - if (XGetWindowProperty(X11->display, RootWindow(X11->display, 0), ATOM(_XKB_RULES_NAMES), 0, 1024, - false, XA_STRING, &type, &format, &nitems, &bytesAfter, &data) == Success - && type == XA_STRING && format == 8 && nitems > 2) { - - char *names[5] = { 0, 0, 0, 0, 0 }; - char *p = reinterpret_cast<char *>(data), *end = p + nitems; - int i = 0; - do { - names[i++] = p; - p += qstrlen(p) + 1; - } while (p < end); - - QList<QByteArray> layoutNames = QByteArray::fromRawData(names[2], qstrlen(names[2])).split(','); - QList<QByteArray> variantNames = QByteArray::fromRawData(names[3], qstrlen(names[3])).split(','); - for (int i = 0; i < qMin(layoutNames.count(), variantNames.count()); ++i ) { - QByteArray variantName = variantNames.at(i); - const int dashPos = variantName.indexOf("-"); - if (dashPos >= 0) - variantName.truncate(dashPos); - QLocale keyboardInputLocale = q_getKeyboardLocale(layoutNames.at(i), variantName); - if (keyboardInputLocale.textDirection() == Qt::RightToLeft) - qt_use_rtl_extensions = true; - } - } - - if (data) - XFree(data); - } -#endif // QT_NO_XKB - -} - - -/*!\internal - Creates the application input method. -*/ -void QXIMInputContext::create_xim() -{ - ++fontsetRefCount; -#ifndef QT_NO_XIM - xim = XOpenIM(X11->display, 0, 0, 0); - if (xim) { - -#ifdef USE_X11R6_XIM - XIMCallback destroy; - destroy.callback = (XIMProc) xim_destroy_callback; - destroy.client_data = XPointer(this); - if (XSetIMValues(xim, XNDestroyCallback, &destroy, (char *) 0) != 0) - qWarning("Xlib doesn't support destroy callback"); -#endif // USE_X11R6_XIM - - XIMStyles *styles = 0; - XGetIMValues(xim, XNQueryInputStyle, &styles, (char *) 0, (char *) 0); - if (styles) { - int i; - for (i = 0; !xim_style && i < styles->count_styles; i++) { - if (styles->supported_styles[i] == qt_xim_preferred_style) { - xim_style = qt_xim_preferred_style; - break; - } - } - // if the preferred input style couldn't be found, look for - // Nothing - for (i = 0; !xim_style && i < styles->count_styles; i++) { - if (styles->supported_styles[i] == (XIMPreeditNothing | XIMStatusNothing)) { - xim_style = XIMPreeditNothing | XIMStatusNothing; - break; - } - } - // ... and failing that, None. - for (i = 0; !xim_style && i < styles->count_styles; i++) { - if (styles->supported_styles[i] == (XIMPreeditNone | - XIMStatusNone)) { - xim_style = XIMPreeditNone | XIMStatusNone; - break; - } - } - - // qDebug("QApplication: using im style %lx", xim_style); - XFree((char *)styles); - } - - if (xim_style) { - -#ifdef USE_X11R6_XIM - XUnregisterIMInstantiateCallback(X11->display, 0, 0, 0, - (XIMProc) xim_create_callback, reinterpret_cast<char *>(this)); -#endif // USE_X11R6_XIM - - if (QWidget *focusWidget = QApplication::focusWidget()) { - // reinitialize input context after the input method - // server (like SCIM) has been launched without - // requiring the user to manually switch focus. - if (focusWidget->testAttribute(Qt::WA_InputMethodEnabled) - && focusWidget->testAttribute(Qt::WA_WState_Created) - && focusWidget->isEnabled()) - setFocusWidget(focusWidget); - } - // following code fragment is not required for immodule - // version of XIM -#if 0 - QWidgetList list = qApp->topLevelWidgets(); - for (int i = 0; i < list.size(); ++i) { - QWidget *w = list.at(i); - w->d->createTLSysExtra(); - } -#endif - } else { - // Give up - qWarning("No supported input style found." - " See InputMethod documentation."); - close_xim(); - } - } -#endif // QT_NO_XIM -} - -/*!\internal - Closes the application input method. -*/ -void QXIMInputContext::close_xim() -{ - for(QHash<WId, ICData *>::const_iterator i = ximData.constBegin(), - e = ximData.constEnd(); i != e; ++i) { - ICData *data = i.value(); - if (data->ic) - XDestroyIC(data->ic); - delete data; - } - ximData.clear(); - - if ( --fontsetRefCount == 0 ) { - Display *dpy = X11->display; - for ( int i = 0; i < 8; i++ ) { - if ( fontsetCache[i] && fontsetCache[i] != (XFontSet)-1 ) { - XFreeFontSet(dpy, fontsetCache[i]); - fontsetCache[i] = 0; - } - } - } - - setFocusWidget(0); - xim = 0; -} - - - -QXIMInputContext::~QXIMInputContext() -{ - XIM old_xim = xim; // close_xim clears xim pointer. - close_xim(); - if (old_xim) - XCloseIM(old_xim); -} - - -QString QXIMInputContext::identifierName() -{ - // the name should be "xim" rather than "XIM" to be consistent - // with corresponding immodule of GTK+ - return QLatin1String("xim"); -} - - -QString QXIMInputContext::language() -{ - QString language; - if (xim) { - QByteArray locale(XLocaleOfIM(xim)); - - if (locale.startsWith("zh")) { - // Chinese language should be formed as "zh_CN", "zh_TW", "zh_HK" - language = QLatin1String(locale.left(5)); - } else { - // other languages should be two-letter ISO 639 language code - language = QLatin1String(locale.left(2)); - } - } - return language; -} - -void QXIMInputContext::reset() -{ - QWidget *w = focusWidget(); - if (!w) - return; - - ICData *data = ximData.value(w->effectiveWinId()); - if (!data) - return; - - if (data->ic) { - char *mb = XmbResetIC(data->ic); - QInputMethodEvent e; - if (mb) { - e.setCommitString(QString::fromLocal8Bit(mb)); - XFree(mb); - data->preeditEmpty = false; // force sending an event - } - if (!data->preeditEmpty) { - sendEvent(e); - update(); - } - } - data->clear(); -} - -void QXIMInputContext::widgetDestroyed(QWidget *w) -{ - QInputContext::widgetDestroyed(w); - ICData *data = ximData.take(w->effectiveWinId()); - if (!data) - return; - - data->clear(); - if (data->ic) - XDestroyIC(data->ic); - delete data; -} - -void QXIMInputContext::mouseHandler(int pos, QMouseEvent *e) -{ - if(e->type() != QEvent::MouseButtonPress) - return; - - XIM_DEBUG("QXIMInputContext::mouseHandler pos=%d", pos); - if (QWidget *w = focusWidget()) { - ICData *data = ximData.value(w->effectiveWinId()); - if (!data) - return; - if (pos < 0 || pos > data->text.length()) - reset(); - // ##### handle mouse position - } -} - -bool QXIMInputContext::isComposing() const -{ - QWidget *w = focusWidget(); - if (!w) - return false; - - ICData *data = ximData.value(w->effectiveWinId()); - if (!data) - return false; - return data->composing; -} - -void QXIMInputContext::setFocusWidget(QWidget *w) -{ - if (!xim) - return; - QWidget *oldFocus = focusWidget(); - if (oldFocus == w) - return; - - if (language() != QLatin1String("ja")) - reset(); - - if (oldFocus) { - ICData *data = ximData.value(oldFocus->effectiveWinId()); - if (data && data->ic) - XUnsetICFocus(data->ic); - } - - QInputContext::setFocusWidget(w); - - if (!w || w->inputMethodHints() & (Qt::ImhExclusiveInputMask | Qt::ImhHiddenText)) - return; - - ICData *data = ximData.value(w->effectiveWinId()); - if (!data) - data = createICData(w); - - if (data->ic) - XSetICFocus(data->ic); - - update(); -} - - -bool QXIMInputContext::x11FilterEvent(QWidget *keywidget, XEvent *event) -{ - int xkey_keycode = event->xkey.keycode; - if (!keywidget->testAttribute(Qt::WA_WState_Created)) - return false; - if (XFilterEvent(event, keywidget->effectiveWinId())) { - qt_ximComposingKeycode = xkey_keycode; // ### not documented in xlib - - update(); - - return true; - } - if (event->type != XKeyPress || event->xkey.keycode != 0) - return false; - - QWidget *w = focusWidget(); - if (keywidget != w) - return false; - ICData *data = ximData.value(w->effectiveWinId()); - if (!data) - return false; - - // input method has sent us a commit string - QByteArray string; - string.resize(513); - KeySym key; // unused - Status status; // unused - QString text; - int count = XmbLookupString(data->ic, &event->xkey, string.data(), string.size(), - &key, &status); - - if (status == XBufferOverflow) { - string.resize(count + 1); - count = XmbLookupString(data->ic, &event->xkey, string.data(), string.size(), - &key, &status); - } - if (count > 0) { - // XmbLookupString() gave us some text, convert it to unicode - text = qt_input_mapper->toUnicode(string.constData() , count); - if (text.isEmpty()) { - // codec couldn't convert to unicode? this can happen when running in the - // C locale (or with no LANG set). try converting from latin-1 - text = QString::fromLatin1(string.constData(), count); - } - } - -#if 0 - if (!(xim_style & XIMPreeditCallbacks) || !isComposing()) { - // ############### send a regular key event here! - ; - } -#endif - - QInputMethodEvent e; - e.setCommitString(text); - sendEvent(e); - data->clear(); - - update(); - - return true; -} - - -QXIMInputContext::ICData *QXIMInputContext::createICData(QWidget *w) -{ - ICData *data = new ICData; - data->widget = w; - data->preeditEmpty = true; - - XVaNestedList preedit_attr = 0; - XIMCallback startcallback, drawcallback, donecallback; - - QFont font = w->font(); - data->fontset = getFontSet(font); - - if (xim_style & XIMPreeditArea) { - XRectangle rect; - rect.x = 0; - rect.y = 0; - rect.width = w->width(); - rect.height = w->height(); - - preedit_attr = XVaCreateNestedList(0, - XNArea, &rect, - XNFontSet, data->fontset, - (char *) 0); - } else if (xim_style & XIMPreeditPosition) { - XPoint spot; - spot.x = 1; - spot.y = 1; - - preedit_attr = XVaCreateNestedList(0, - XNSpotLocation, &spot, - XNFontSet, data->fontset, - (char *) 0); - } else if (xim_style & XIMPreeditCallbacks) { - startcallback.client_data = (XPointer) this; - startcallback.callback = (XIMProc) xic_start_callback; - drawcallback.client_data = (XPointer) this; - drawcallback.callback = (XIMProc)xic_draw_callback; - donecallback.client_data = (XPointer) this; - donecallback.callback = (XIMProc) xic_done_callback; - - preedit_attr = XVaCreateNestedList(0, - XNPreeditStartCallback, &startcallback, - XNPreeditDrawCallback, &drawcallback, - XNPreeditDoneCallback, &donecallback, - (char *) 0); - } - - if (preedit_attr) { - data->ic = XCreateIC(xim, - XNInputStyle, xim_style, - XNClientWindow, w->effectiveWinId(), - XNPreeditAttributes, preedit_attr, - (char *) 0); - XFree(preedit_attr); - } else { - data->ic = XCreateIC(xim, - XNInputStyle, xim_style, - XNClientWindow, w->effectiveWinId(), - (char *) 0); - } - - if (data->ic) { - // when resetting the input context, preserve the input state - (void) XSetICValues(data->ic, XNResetState, XIMPreserveState, (char *) 0); - } else { - qWarning("Failed to create XIC"); - } - - ximData[w->effectiveWinId()] = data; - return data; -} - -void QXIMInputContext::update() -{ - QWidget *w = focusWidget(); - if (!w) - return; - - ICData *data = ximData.value(w->effectiveWinId()); - if (!data || !data->ic) - return; - - QRect r = w->inputMethodQuery(Qt::ImMicroFocus).toRect(); - QPoint p; - if (w->nativeParentWidget()) - p = w->mapTo(w->nativeParentWidget(), QPoint((r.left() + r.right() + 1)/2, r.bottom())); - else - p = QPoint((r.left() + r.right() + 1)/2, r.bottom()); - XPoint spot; - spot.x = p.x(); - spot.y = p.y(); - - r = w->rect(); - XRectangle area; - area.x = r.x(); - area.y = r.y(); - area.width = r.width(); - area.height = r.height(); - - XFontSet fontset = getFontSet(qvariant_cast<QFont>(w->inputMethodQuery(Qt::ImFont))); - if (data->fontset == fontset) - fontset = 0; - else - data->fontset = fontset; - - XVaNestedList preedit_attr; - if (fontset) - preedit_attr = XVaCreateNestedList(0, - XNSpotLocation, &spot, - XNArea, &area, - XNFontSet, fontset, - (char *) 0); - else - preedit_attr = XVaCreateNestedList(0, - XNSpotLocation, &spot, - XNArea, &area, - (char *) 0); - - XSetICValues(data->ic, XNPreeditAttributes, preedit_attr, (char *) 0); - XFree(preedit_attr); -} - - -#else -/* - When QT_NO_XIM is defined, we provide a dummy implementation for - this class. The reason for this is that the header file is moc'ed - regardless of QT_NO_XIM. The best would be to remove the file - completely from the pri file is QT_NO_XIM was defined, or for moc - to understand this preprocessor directive. Since the header does - not declare this class when QT_NO_XIM is defined, this is dead - code. -*/ -bool QXIMInputContext::isComposing() const { return false; } -QString QXIMInputContext::identifierName() { return QString(); } -void QXIMInputContext::mouseHandler(int, QMouseEvent *) {} -void QXIMInputContext::setFocusWidget(QWidget *) {} -void QXIMInputContext::reset() {} -void QXIMInputContext::update() {} -QXIMInputContext::~QXIMInputContext() {} -void QXIMInputContext::widgetDestroyed(QWidget *) {} -QString QXIMInputContext::language() { return QString(); } -bool QXIMInputContext::x11FilterEvent(QWidget *, XEvent *) { return true; } - -#endif //QT_NO_XIM - -QT_END_NAMESPACE - -#endif //QT_NO_IM |