diff options
Diffstat (limited to 'tqtinterface/qt4/plugins/src/inputmethods/xim/tqximinputcontext_x11.cpp')
| -rw-r--r-- | tqtinterface/qt4/plugins/src/inputmethods/xim/tqximinputcontext_x11.cpp | 930 |
1 files changed, 0 insertions, 930 deletions
diff --git a/tqtinterface/qt4/plugins/src/inputmethods/xim/tqximinputcontext_x11.cpp b/tqtinterface/qt4/plugins/src/inputmethods/xim/tqximinputcontext_x11.cpp deleted file mode 100644 index 66e4597..0000000 --- a/tqtinterface/qt4/plugins/src/inputmethods/xim/tqximinputcontext_x11.cpp +++ /dev/null @@ -1,930 +0,0 @@ -/**************************************************************************** -** $Id: qximinputcontext_x11.cpp,v 1.10 2004/06/22 06:47:27 daisuke Exp $ -** -** Implementation of TQXIMInputContext class -** -** Copyright (C) 2000-2003 Trolltech AS. All rights reserved. -** -** This file is part of the input method module of the TQt GUI Toolkit. -** -** This file may be distributed under the terms of the Q Public License -** as defined by Trolltech AS of Norway and appearing in the file -** LICENSE.TQPL included in the packaging of this file. -** -** This file may be distributed and/or modified under the terms of the -** GNU General Public License version 2 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. -** -** Licensees holding valid TQt Enterprise Edition or TQt Professional Edition -** licenses for Unix/X11 may use this file in accordance with the TQt Commercial -** License Agreement provided with the Software. -** -** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE -** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. -** -** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for -** information about TQt Commercial License Agreements. -** See http://www.trolltech.com/qpl/ for TQPL licensing information. -** See http://www.trolltech.com/gpl/ for GPL licensing information. -** -** Contact info@trolltech.com if any conditions of this licensing are -** not clear to you. -** -**********************************************************************/ - - -#include "tqximinputcontext.h" - -const int XKeyPress = KeyPress; -const int XKeyRelease = KeyRelease; -#undef KeyPress -#undef KeyRelease - -#if !defined(TQT_NO_IM) - -#include "tqplatformdefs.h" - -#include "tqapplication.h" -#include "tqwidget.h" -#include "tqstring.h" -#include "tqptrlist.h" -#include "tqintdict.h" -#include "tqtextcodec.h" - -#include <stdlib.h> -#include <limits.h> - -#if !defined(TQT_NO_XIM) - -#define XK_MISCELLANY -#define XK_LATIN1 -#include <X11/keysymdef.h> - -// #define TQT_XIM_DEBUG - -// from qapplication_x11.cpp -static XIM qt_xim = 0; -extern XIMStyle qt_xim_style; -extern XIMStyle qt_xim_preferred_style; -extern char *qt_ximServer; -static bool isInitXIM = FALSE; -static TQPtrList<TQXIMInputContext> *ximContextList = 0; -#endif -extern int qt_ximComposingKeycode; -extern TQTextCodec * qt_input_mapper; - - -#if !defined(TQT_NO_XIM) - -#if defined(TQ_C_CALLBACKS) -extern "C" { -#endif // TQ_C_CALLBACKS - -#ifdef USE_X11R6_XIM - static void xim_create_callback(XIM /*im*/, - XPointer /*client_data*/, - XPointer /*call_data*/) - { - // qDebug("xim_create_callback"); - TQXIMInputContext::create_xim(); - } - - static void xim_destroy_callback(XIM /*im*/, - XPointer /*client_data*/, - XPointer /*call_data*/) - { - // qDebug("xim_destroy_callback"); - TQXIMInputContext::close_xim(); - Display *dpy = TQPaintDevice::x11AppDisplay(); - XRegisterIMInstantiateCallback(dpy, 0, 0, 0, - (XIMProc) xim_create_callback, 0); - } - -#endif // USE_X11R6_XIM - -#if defined(TQ_C_CALLBACKS) -} -#endif // TQ_C_CALLBACKS - -#endif // TQT_NO_XIM - -#ifndef TQT_NO_XIM - -/* 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 TQFont &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 = TQPaintDevice::x11AppDisplay(); - 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]; -} - - -#ifdef TQ_C_CALLBACKS -extern "C" { -#endif // TQ_C_CALLBACKS - - // These static functions should be rewritten as member of - // TQXIMInputContext - - static int xic_start_callback(XIC, XPointer client_data, XPointer) { - TQXIMInputContext *qic = (TQXIMInputContext *) client_data; - if (! qic) { -#ifdef TQT_XIM_DEBUG - qDebug("compose start: no qic"); -#endif // TQT_XIM_DEBUG - - return 0; - } - - qic->resetClientState(); - qic->sendIMEvent( TQEvent::IMStart ); - -#ifdef TQT_XIM_DEBUG - qDebug("compose start"); -#endif // TQT_XIM_DEBUG - - return 0; - } - - static int xic_draw_callback(XIC, XPointer client_data, XPointer call_data) { - TQXIMInputContext *qic = (TQXIMInputContext *) client_data; - if (! qic) { -#ifdef TQT_XIM_DEBUG - qDebug("compose event: invalid compose event %p", qic); -#endif // TQT_XIM_DEBUG - - return 0; - } - - bool send_imstart = FALSE; - if( ! qic->isComposing() && qic->hasFocus() ) { - qic->resetClientState(); - send_imstart = TRUE; - } else if ( ! qic->isComposing() || ! qic->hasFocus() ) { -#ifdef TQT_XIM_DEBUG - qDebug( "compose event: invalid compose event composing=%d hasFocus=%d", - qic->isComposing(), qic->hasFocus() ); -#endif // TQT_XIM_DEBUG - - return 0; - } - - if ( send_imstart ) - qic->sendIMEvent( TQEvent::IMStart ); - - XIMPreeditDrawCallbackStruct *drawstruct = - (XIMPreeditDrawCallbackStruct *) call_data; - XIMText *text = (XIMText *) drawstruct->text; - int cursor = drawstruct->caret, sellen = 0; - - if ( ! drawstruct->caret && ! drawstruct->chg_first && - ! drawstruct->chg_length && ! text ) { - if( qic->composingText.isEmpty() ) { -#ifdef TQT_XIM_DEBUG - qDebug( "compose emptied" ); -#endif // TQT_XIM_DEBUG - // if the composition string has been emptied, we need - // to send an IMEnd event - qic->sendIMEvent( TQEvent::IMEnd ); - qic->resetClientState(); - // if the commit string has coming after here, IMStart - // 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; - - TQString s = TQString::fromLocal8Bit(str); - - if (text->encoding_is_wchar) - delete [] str; - - if (drawstruct->chg_length < 0) - qic->composingText.replace(drawstruct->chg_first, UINT_MAX, s); - else - qic->composingText.replace(drawstruct->chg_first, drawstruct->chg_length, s); - - if ( qic->selectedChars.size() < qic->composingText.length() ) { - // expand the selectedChars array if the compose string is longer - uint from = qic->selectedChars.size(); - qic->selectedChars.resize( qic->composingText.length() ); - for ( uint x = from; from < qic->selectedChars.size(); ++x ) - qic->selectedChars[x] = 0; - } - - uint x; - bool *p = qic->selectedChars.data() + drawstruct->chg_first; - // determine if the changed chars are selected based on text->feedback - for ( x = 0; x < s.length(); ++x ) - *p++ = ( text->feedback ? ( text->feedback[x] & XIMReverse ) : 0 ); - - // figure out where the selection starts, and how long it is - p = qic->selectedChars.data(); - bool started = FALSE; - for ( x = 0; x < TQMIN(qic->composingText.length(), qic->selectedChars.size()); ++x ) { - if ( started ) { - if ( *p ) ++sellen; - else break; - } else { - if ( *p ) { - cursor = x; - started = TRUE; - sellen = 1; - } - } - ++p; - } - } else { - if (drawstruct->chg_length == 0) - drawstruct->chg_length = -1; - - qic->composingText.remove(drawstruct->chg_first, drawstruct->chg_length); - bool qt_compose_emptied = qic->composingText.isEmpty(); - if ( qt_compose_emptied ) { -#ifdef TQT_XIM_DEBUG - qDebug( "compose emptied" ); -#endif // TQT_XIM_DEBUG - // if the composition string has been emptied, we need - // to send an IMEnd event - qic->sendIMEvent( TQEvent::IMEnd ); - qic->resetClientState(); - // if the commit string has coming after here, IMStart - // will be sent dynamically - return 0; - } - } - - qic->sendIMEvent( TQEvent::IMCompose, - qic->composingText, cursor, sellen ); - - return 0; - } - - static int xic_done_callback(XIC, XPointer client_data, XPointer) { - TQXIMInputContext *qic = (TQXIMInputContext *) client_data; - if (! qic) - return 0; - - // Don't send IMEnd here. TQXIMInputContext::x11FilterEvent() - // handles IMEnd with commit string. -#if 0 - if ( qic->isComposing() ) - qic->sendIMEvent( TQEvent::IMEnd ); - qic->resetClientState(); -#endif - - return 0; - } - -#ifdef TQ_C_CALLBACKS -} -#endif // TQ_C_CALLBACKS - -#endif // !TQT_NO_XIM - - - -TQXIMInputContext::TQXIMInputContext() - : TQInputContext(), ic(0), fontset(0) -{ - if(!isInitXIM) - TQXIMInputContext::init_xim(); -} - - -void TQXIMInputContext::setHolderWidget( TQWidget *widget ) -{ - if ( ! widget ) - return; - - TQInputContext::setHolderWidget( widget ); - -#if !defined(TQT_NO_XIM) - fontsetRefCount++; - if (! qt_xim) { - qWarning("TQInputContext: no input method context available"); - return; - } - - if (! widget->isTopLevel()) { - // qWarning("TQInputContext: cannot create input context for non-toplevel widgets"); - return; - } - - XPoint spot; - XRectangle rect; - XVaNestedList preedit_attr = 0; - XIMCallback startcallback, drawcallback, donecallback; - - font = widget->font(); - fontset = getFontSet( font ); - - if (qt_xim_style & XIMPreeditArea) { - rect.x = 0; - rect.y = 0; - rect.width = widget->width(); - rect.height = widget->height(); - - preedit_attr = XVaCreateNestedList(0, - XNArea, &rect, - XNFontSet, fontset, - (char *) 0); - } else if (qt_xim_style & XIMPreeditPosition) { - spot.x = 1; - spot.y = 1; - - preedit_attr = XVaCreateNestedList(0, - XNSpotLocation, &spot, - XNFontSet, fontset, - (char *) 0); - } else if (qt_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) { - ic = XCreateIC(qt_xim, - XNInputStyle, qt_xim_style, - XNClientWindow, widget->winId(), - XNPreeditAttributes, preedit_attr, - (char *) 0); - XFree(preedit_attr); - } else - ic = XCreateIC(qt_xim, - XNInputStyle, qt_xim_style, - XNClientWindow, widget->winId(), - (char *) 0); - - if (! ic) - qFatal("Failed to create XIM input context!"); - - // when resetting the input context, preserve the input state - (void) XSetICValues((XIC) ic, XNResetState, XIMPreserveState, (char *) 0); - - if( ! ximContextList ) - ximContextList = new TQPtrList<TQXIMInputContext>; - ximContextList->append( this ); -#endif // !TQT_NO_XIM -} - - -TQXIMInputContext::~TQXIMInputContext() -{ - -#if !defined(TQT_NO_XIM) - if (ic) - XDestroyIC((XIC) ic); - - if ( --fontsetRefCount == 0 ) { - Display *dpy = TQPaintDevice::x11AppDisplay(); - for ( int i = 0; i < 8; i++ ) { - if ( fontsetCache[i] && fontsetCache[i] != (XFontSet)-1 ) { - XFreeFontSet(dpy, fontsetCache[i]); - fontsetCache[i] = 0; - } - } - } - - if( ximContextList ) { - ximContextList->remove( this ); - if(ximContextList->isEmpty()) { - // Calling XCloseIM gives a Purify FMR error - // XCloseIM( qt_xim ); - // We prefer a less serious memory leak - if( qt_xim ) { - qt_xim = 0; - isInitXIM = FALSE; - } - - delete ximContextList; - ximContextList = 0; - } - } -#endif // !TQT_NO_XIM - - ic = 0; -} - -void TQXIMInputContext::init_xim() -{ -#ifndef TQT_NO_XIM - if(!isInitXIM) - isInitXIM = TRUE; - - qt_xim = 0; - TQString ximServerName(qt_ximServer); - if (qt_ximServer) - ximServerName.prepend("@im="); - else - ximServerName = ""; - - if ( !XSupportsLocale() ) - qWarning("TQt: Locales not supported on X server"); - -#ifdef USE_X11R6_XIM - else if ( XSetLocaleModifiers (ximServerName.ascii()) == 0 ) - qWarning( "TQt: Cannot set locale modifiers: %s", - ximServerName.ascii()); - else { - Display *dpy = TQPaintDevice::x11AppDisplay(); - XWindowAttributes attr; // XIM unselects all events on the root window - XGetWindowAttributes( dpy, TQPaintDevice::x11AppRootWindow(),&attr ); - XRegisterIMInstantiateCallback(dpy, 0, 0, 0, - (XIMProc) xim_create_callback, 0); - XSelectInput( dpy, TQPaintDevice::x11AppRootWindow(), attr.your_event_mask ); - } -#else // !USE_X11R6_XIM - else if ( XSetLocaleModifiers ("") == 0 ) - qWarning("TQt: Cannot set locale modifiers"); - else - TQXIMInputContext::create_xim(); -#endif // USE_X11R6_XIM -#endif // TQT_NO_XIM -} - - -/*! \internal - Creates the application input method. - */ -void TQXIMInputContext::create_xim() -{ -#ifndef TQT_NO_XIM - Display *appDpy = TQPaintDevice::x11AppDisplay(); - qt_xim = XOpenIM( appDpy, 0, 0, 0 ); - if ( qt_xim ) { - -#ifdef USE_X11R6_XIM - XIMCallback destroy; - destroy.callback = (XIMProc) xim_destroy_callback; - destroy.client_data = 0; - if ( XSetIMValues( qt_xim, XNDestroyCallback, &destroy, (char *) 0 ) != 0 ) - qWarning( "Xlib doesn't support destroy callback"); -#endif // USE_X11R6_XIM - - XIMStyles *styles = 0; - XGetIMValues(qt_xim, XNQueryInputStyle, &styles, (char *) 0, (char *) 0); - if ( styles ) { - int i; - for ( i = 0; !qt_xim_style && i < styles->count_styles; i++ ) { - if ( styles->supported_styles[i] == qt_xim_preferred_style ) { - qt_xim_style = qt_xim_preferred_style; - break; - } - } - // if the preferred input style couldn't be found, look for - // Nothing - for ( i = 0; !qt_xim_style && i < styles->count_styles; i++ ) { - if ( styles->supported_styles[i] == (XIMPreeditNothing | - XIMStatusNothing) ) { - qt_xim_style = XIMPreeditNothing | XIMStatusNothing; - break; - } - } - // ... and failing that, None. - for ( i = 0; !qt_xim_style && i < styles->count_styles; i++ ) { - if ( styles->supported_styles[i] == (XIMPreeditNone | - XIMStatusNone) ) { - qt_xim_style = XIMPreeditNone | XIMStatusNone; - break; - } - } - - // qDebug("TQApplication: using im style %lx", qt_xim_style); - XFree( (char *)styles ); - } - - if ( qt_xim_style ) { - -#ifdef USE_X11R6_XIM - XUnregisterIMInstantiateCallback(appDpy, 0, 0, 0, - (XIMProc) xim_create_callback, 0); -#endif // USE_X11R6_XIM - - } else { - // Give up - qWarning( "No supported input style found." - " See InputMethod documentation."); - TQXIMInputContext::close_xim(); - } - } -#endif // TQT_NO_XIM -} - - -/*! \internal - Closes the application input method. -*/ -void TQXIMInputContext::close_xim() -{ -#ifndef TQT_NO_XIM - TQString errMsg( "TQXIMInputContext::close_xim() has been called" ); - - // Calling XCloseIM gives a Purify FMR error - // XCloseIM( qt_xim ); - // We prefer a less serious memory leak - - qt_xim = 0; - if( ximContextList ) { - TQPtrList<TQXIMInputContext> contexts( *ximContextList ); - TQPtrList<TQXIMInputContext>::Iterator it = contexts.begin(); - while( it != contexts.end() ) { - (*it)->close( errMsg ); - ++it; - } - // ximContextList will be deleted in ~TQXIMInputContext - } -#endif // TQT_NO_XIM -} - - -bool TQXIMInputContext::x11FilterEvent( TQWidget *keywidget, XEvent *event ) -{ -#ifndef TQT_NO_XIM - int xkey_keycode = event->xkey.keycode; - if ( XFilterEvent( event, keywidget->tqtopLevelWidget()->winId() ) ) { - qt_ximComposingKeycode = xkey_keycode; // ### not documented in xlib - - // Cancel of the composition is realizable even if - // follwing codes don't exist -#if 0 - if ( event->type != XKeyPress || ! (qt_xim_style & XIMPreeditCallbacks) ) - return TRUE; - - /* - * The Solaris htt input method will transform a ClientMessage - * event into a filtered KeyPress event, in which case our - * keywidget is still zero. - */ - TQETWidget *widget = (TQETWidget*)TQWidget::find( (WId)event->xany.window ); - if ( ! keywidget ) { - keywidget = (TQETWidget*)TQWidget::keyboardGrabber(); - if ( keywidget ) { - grabbed = TRUE; - } else { - if ( focus_widget ) - keywidget = (TQETWidget*)focus_widget; - if ( !keywidget ) { - if ( tqApp->inPopupMode() ) // no focus widget, see if we have a popup - keywidget = (TQETWidget*) tqApp->activePopupWidget(); - else if ( widget ) - keywidget = (TQETWidget*)widget->tqtopLevelWidget(); - } - } - } - - /* - if the composition string has been emptied, we need to send - an IMEnd event. however, we have no way to tell if the user - has cancelled input, or if the user has accepted the - composition. - - so, we have to look for the next keypress and see if it is - the 'commit' key press (keycode == 0). if it is, we deliver - an IMEnd event with the final text, otherwise we deliver an - IMEnd with empty text (meaning the user has cancelled the - input). - */ - if ( composing && tqfocusWidget && qt_compose_emptied ) { - XEvent event2; - bool found = FALSE; - if ( XCheckTypedEvent( TQPaintDevice::x11AppDisplay(), - XKeyPress, &event2 ) ) { - if ( event2.xkey.keycode == 0 ) { - // found a key event with the 'commit' string - found = TRUE; - XPutBackEvent( TQPaintDevice::x11AppDisplay(), &event2 ); - } - } - - if ( !found ) { - // no key event, so the user must have cancelled the composition - TQIMEvent endevent( TQEvent::IMEnd, TQString(), -1 ); - TQApplication::sendEvent( tqfocusWidget, &endevent ); - - tqfocusWidget = 0; - } - - qt_compose_emptied = FALSE; - } -#endif - return TRUE; - } else if ( tqfocusWidget() ) { - if ( event->type == XKeyPress && event->xkey.keycode == 0 ) { - // input method has sent us a commit string - TQCString data(513); - KeySym sym; // unused - tqStatus status; // unused - TQString inputText; - int count = lookupString( &(event->xkey), data, &sym, &status ); - if ( count > 0 ) - inputText = qt_input_mapper->toUnicode( data, count ); - - if ( ! ( qt_xim_style & XIMPreeditCallbacks ) || ! isComposing() ) { - // there is no composing state - sendIMEvent( TQEvent::IMStart ); - } - - sendIMEvent( TQEvent::IMEnd, inputText ); - resetClientState(); - - return TRUE; - } - } -#endif // !TQT_NO_XIM - - return FALSE; -} - - -void TQXIMInputContext::sendIMEvent( TQEvent::Type type, const TQString &text, - int cursorPosition, int selLength ) -{ - TQInputContext::sendIMEvent( type, text, cursorPosition, selLength ); - if ( type == TQEvent::IMCompose ) - composingText = text; -} - - -void TQXIMInputContext::reset() -{ -#if !defined(TQT_NO_XIM) - if ( tqfocusWidget() && isComposing() && ! composingText.isNull() ) { -#ifdef TQT_XIM_DEBUG - qDebug("TQXIMInputContext::reset: composing - sending IMEnd (empty) to %p", - tqfocusWidget() ); -#endif // TQT_XIM_DEBUG - - TQInputContext::reset(); - resetClientState(); - - char *mb = XmbResetIC((XIC) ic); - if (mb) - XFree(mb); - } -#endif // !TQT_NO_XIM -} - - -void TQXIMInputContext::resetClientState() -{ -#if !defined(TQT_NO_XIM) - composingText = TQString(); - if ( selectedChars.size() < 128 ) - selectedChars.resize( 128 ); - selectedChars.fill( 0 ); -#endif // !TQT_NO_XIM -} - - -void TQXIMInputContext::close( const TQString &errMsg ) -{ - qDebug( errMsg ); - emit deletionRequested(); -} - - -bool TQXIMInputContext::hasFocus() const -{ - return ( tqfocusWidget() != 0 ); -} - - -void TQXIMInputContext::setMicroFocus(int x, int y, int, int h, TQFont *f) -{ - TQWidget *widget = tqfocusWidget(); - if ( qt_xim && widget ) { - TQPoint p( x, y ); - TQPoint p2 = widget->mapTo( widget->tqtopLevelWidget(), TQPoint( 0, 0 ) ); - p = widget->tqtopLevelWidget()->mapFromGlobal( p ); - setXFontSet( f ? *f : widget->font() ); - setComposePosition(p.x(), p.y() + h); - setComposeArea(p2.x(), p2.y(), widget->width(), widget->height()); - } - -} - -void TQXIMInputContext::mouseHandler( int , TQEvent::Type type, - TQt::ButtonState button, - TQt::ButtonState) -{ - if ( type == TQEvent::MouseButtonPress || - type == TQEvent::MouseButtonDblClick ) { - // Don't reset Japanese input context here. Japanese input - // context sometimes contains a whole paragraph and has - // minutes of lifetime different to ephemeral one in other - // languages. The input context should be survived until - // focused again. - if ( ! isPreeditPreservationEnabled() ) - reset(); - } -} - -void TQXIMInputContext::setComposePosition(int x, int y) -{ -#if !defined(TQT_NO_XIM) - if (qt_xim && ic) { - XPoint point; - point.x = x; - point.y = y; - - XVaNestedList preedit_attr = - XVaCreateNestedList(0, - XNSpotLocation, &point, - - (char *) 0); - XSetICValues((XIC) ic, XNPreeditAttributes, preedit_attr, (char *) 0); - XFree(preedit_attr); - } -#endif // !TQT_NO_XIM -} - - -void TQXIMInputContext::setComposeArea(int x, int y, int w, int h) -{ -#if !defined(TQT_NO_XIM) - if (qt_xim && ic) { - XRectangle rect; - rect.x = x; - rect.y = y; - rect.width = w; - rect.height = h; - - XVaNestedList preedit_attr = XVaCreateNestedList(0, - XNArea, &rect, - - (char *) 0); - XSetICValues((XIC) ic, XNPreeditAttributes, preedit_attr, (char *) 0); - XFree(preedit_attr); - } -#endif -} - - -void TQXIMInputContext::setXFontSet(const TQFont &f) -{ -#if !defined(TQT_NO_XIM) - if (font == f) return; // nothing to do - font = f; - - XFontSet fs = getFontSet(font); - if (fontset == fs) return; // nothing to do - fontset = fs; - - XVaNestedList preedit_attr = XVaCreateNestedList(0, XNFontSet, fontset, (char *) 0); - XSetICValues((XIC) ic, XNPreeditAttributes, preedit_attr, (char *) 0); - XFree(preedit_attr); -#else - Q_UNUSED( f ); -#endif -} - - -int TQXIMInputContext::lookupString(XKeyEvent *event, TQCString &chars, - KeySym *key, tqStatus *status) const -{ - int count = 0; - -#if !defined(TQT_NO_XIM) - if (qt_xim && ic) { - count = XmbLookupString((XIC) ic, event, chars.data(), - chars.size(), key, status); - - if ((*status) == XBufferOverflow ) { - chars.resize(count + 1); - count = XmbLookupString((XIC) ic, event, chars.data(), - chars.size(), key, status); - } - } - -#endif // TQT_NO_XIM - - return count; -} - -void TQXIMInputContext::setFocus() -{ -#if !defined(TQT_NO_XIM) - if ( qt_xim && ic ) - XSetICFocus((XIC) ic); -#endif // !TQT_NO_XIM -} - -void TQXIMInputContext::unsetFocus() -{ -#if !defined(TQT_NO_XIM) - if (qt_xim && ic) - XUnsetICFocus((XIC) ic); -#endif // !TQT_NO_XIM - - // Don't reset Japanese input context here. Japanese input context - // sometimes contains a whole paragraph and has minutes of - // lifetime different to ephemeral one in other languages. The - // input context should be survived until focused again. - if ( ! isPreeditPreservationEnabled() ) - reset(); -} - - -bool TQXIMInputContext::isPreeditRelocationEnabled() -{ - return ( language() == "ja" ); -} - - -bool TQXIMInputContext::isPreeditPreservationEnabled() -{ - return ( language() == "ja" ); -} - - -TQString TQXIMInputContext::identifierName() -{ - // the name should be "xim" rather than "XIM" to be consistent - // with corresponding immodule of GTK+ - return "xim"; -} - - -TQString TQXIMInputContext::language() -{ -#if !defined(TQT_NO_XIM) - if ( qt_xim ) { - TQString locale( XLocaleOfIM( qt_xim ) ); - - if ( locale.startsWith( "zh" ) ) { - // Chinese language should be formed as "zh_CN", "zh_TW", "zh_HK" - _language = locale.left( 5 ); - } else { - // other languages should be two-letter ISO 639 language code - _language = locale.left( 2 ); - } - } -#endif - return _language; -} - -#endif //TQT_NO_IM |