1 files changed, 285 insertions, 0 deletions
diff --git a/tqtinterface/qt4/plugins/src/inputmethods/simple/tqsimpleinputcontext.cpp b/tqtinterface/qt4/plugins/src/inputmethods/simple/tqsimpleinputcontext.cpp
new file mode 100644
index 0000000..d717d74
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+++ b/tqtinterface/qt4/plugins/src/inputmethods/simple/tqsimpleinputcontext.cpp
@@ -0,0 +1,285 @@
+/****************************************************************************
+** $Id$
+**
+** Implementation of TQSimpleInputContext class
+**
+** Copyright (C) 2004 immodule for TQt Project.  All rights reserved.
+**
+** This file is written to contribute to Trolltech AS under their own
+** licence. You may use this file under your TQt 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.
+**
+**
+** 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 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 "tqsimpleinputcontext.h"
+
+#include <tqnamespace.h>
+#include <tqevent.h>
+#include <tqglobal.h>
+#include <algorithm>
+
+static const int ignoreKeys[] = {
+    TQt::Key_Shift,
+    TQt::Key_Control,
+    TQt::Key_Meta,
+    TQt::Key_Alt,
+    TQt::Key_CapsLock,
+    TQt::Key_Super_L,
+    TQt::Key_Super_R,
+    TQt::Key_Hyper_L,
+    TQt::Key_Hyper_R,
+    TQt::Key_Mode_switch
+};
+
+static const int composingKeys[] = {
+    TQt::Key_Multi_key,
+    TQt::Key_Dead_Grave,
+    TQt::Key_Dead_Acute,
+    TQt::Key_Dead_Circumflex,
+    TQt::Key_Dead_Tilde,
+    TQt::Key_Dead_Macron,
+    TQt::Key_Dead_Breve,
+    TQt::Key_Dead_Abovedot,
+    TQt::Key_Dead_Diaeresis,
+    TQt::Key_Dead_Abovering,
+    TQt::Key_Dead_Doubleacute,
+    TQt::Key_Dead_Caron,
+    TQt::Key_Dead_Cedilla,
+    TQt::Key_Dead_Ogonek,
+    TQt::Key_Dead_Iota,
+    TQt::Key_Dead_Voiced_Sound,
+    TQt::Key_Dead_Semivoiced_Sound,
+    TQt::Key_Dead_Belowdot,
+    TQt::Key_Dead_Hook,
+    TQt::Key_Dead_Horn
+};
+
+class Cmp
+{
+public:
+    bool operator () (const TQComposeTableElement &lhs, const TQComposeTableElement &rhs) const {
+        for ( size_t i=0; i < TQT_KEYSEQUENCE_MAX_LEN; i++ ) {
+            if ( lhs.keys[i] < rhs.keys[i] ) return TRUE;
+            else
+            if ( lhs.keys[i] > rhs.keys[i] ) return FALSE;
+        }
+        return FALSE;
+    }
+
+    bool operator () (const TQComposeTableElement &lhs, const uint rhs[TQT_KEYSEQUENCE_MAX_LEN]) const {
+        for ( size_t i=0; i < TQT_KEYSEQUENCE_MAX_LEN; i++ ) {
+            if ( lhs.keys[i] < rhs[i] ) return TRUE;
+            else
+            if ( lhs.keys[i] > rhs[i] ) return FALSE;
+        }
+        return FALSE;
+    }
+};
+
+TQSimpleInputContext::TQSimpleInputContext()
+    : TQInputContext()
+{
+    clearComposeBuffer();
+}
+
+TQSimpleInputContext::~TQSimpleInputContext()
+{
+    clearComposeBuffer();
+}
+
+bool TQSimpleInputContext::filterEvent( const TQEvent *event )
+{
+    if ( event->type() != TQEvent::KeyPress )
+        return FALSE;
+
+    TQKeyEvent *keyevent = (TQKeyEvent *)event;
+    int keyval = keyevent->key();
+    int val = 0;
+
+    if ( isIgnoreKeys( keyval ) )
+        return FALSE;
+
+    if ( isComposingKeys( keyval ) ) {
+        // If composing keys are pressed, use keyval directly
+        val = UNITIZE( keyval );
+    } else {
+        TQString text = keyevent->text();
+        if ( text.isEmpty() )
+            return FALSE;
+        
+        // If not composing keys are pressed, use the character's tqunicode value
+        // NOTE : The contents of TQKeyEvent::text() is restricted to
+        // only one character. See description of
+        // TQInputContext::filterEvent() about key compression.
+        val = text[0].tqunicode();
+       // qDebug( "str = %s", (const char*)keyevent->text().local8Bit() );
+    }
+
+    // Store value
+    int nCompose = 0;
+    while ( composeBuffer[nCompose] != 0 && nCompose < TQT_KEYSEQUENCE_MAX_LEN )
+        nCompose++;
+
+    if ( nCompose == TQT_KEYSEQUENCE_MAX_LEN ) {
+        clearComposeBuffer();
+        nCompose = 0;
+    }
+
+    composeBuffer[nCompose] = val;
+
+    // check sequence
+    if( checkComposeTable( composeBuffer, &defaultComposeTable ) )
+        return TRUE;
+
+    return FALSE;
+}
+
+void TQSimpleInputContext::setFocus()
+{
+    //qDebug( "TQSimpleInputContext: %p->setFocus(), tqfocusWidget()=%p",
+            //this, tqfocusWidget() );
+}
+
+void TQSimpleInputContext::unsetFocus()
+{
+    //qDebug( "TQSimpleInputContext: %p->unsetFocus(), tqfocusWidget()=%p",
+            //this, tqfocusWidget() );
+    reset();
+}
+
+void TQSimpleInputContext::setMicroFocus( int x, int y, int w, int h, TQFont *f )
+{
+}
+
+void TQSimpleInputContext::mouseHandler( int x, TQEvent::Type type,
+				     TQt::ButtonState button,
+				     TQt::ButtonState state )
+{
+    switch ( type ) {
+    case TQEvent::MouseButtonPress:
+    case TQEvent::MouseButtonRelease:
+    case TQEvent::MouseButtonDblClick:
+    case TQEvent::MouseMove:
+       // qDebug( "TQSimpleInputContext::mouseHandler: "
+               // "x=%d, type=%d, button=%d, state=%d", x, type, button, state );
+        break;
+    default:
+        break;
+    }
+}
+
+
+void TQSimpleInputContext::reset()
+{
+    clearComposeBuffer();
+    TQInputContext::reset();
+}
+
+TQString TQSimpleInputContext::identifierName()
+{
+    return "simple";
+}
+
+TQString TQSimpleInputContext::language()
+{
+    return "";  // FIXME
+}
+
+bool TQSimpleInputContext::isIgnoreKeys( int keyval )
+{
+    for ( uint i = 0; i < (sizeof(ignoreKeys)/sizeof(ignoreKeys[0])); i++ )
+        if ( keyval == ignoreKeys[i] )
+            return TRUE;
+
+    return FALSE;
+}
+
+bool TQSimpleInputContext::isComposingKeys( int keyval )
+{
+    for ( uint i = 0; i < (sizeof(composingKeys)/sizeof(composingKeys[0])); i++ )
+        if ( keyval == composingKeys[i] )
+            return TRUE;
+
+    return FALSE;
+}
+
+bool TQSimpleInputContext::checkComposeTable( uint* composeBuffer, const TQComposeTable *composeTable )
+{
+    const TQComposeTableElement *p = std::lower_bound( composeTable->data,
+						      composeTable->data + composeTable->size,
+						      composeBuffer,
+						      Cmp() );
+
+    // no entries were found
+    if ( p == composeTable->data + composeTable->size ) {
+       // qDebug( "no match" );
+        clearComposeBuffer();
+        return FALSE;
+    }
+
+    // check if compose buffer is matched
+    for ( int i=0; i < TQT_KEYSEQUENCE_MAX_LEN; i++ ) {
+
+        // check if partial match
+        if ( composeBuffer[i] == 0 && p->keys[i] ) {
+            // qDebug("partial match");
+            return TRUE;
+        }
+
+        if ( composeBuffer[i] != p->keys[i] ) {
+          // qDebug("different entry");
+            clearComposeBuffer();
+            return i!=0;
+        }
+    }
+
+   // qDebug("match exactly");
+
+    // match exactly
+    commitChar( p->value );
+    clearComposeBuffer();
+
+    return TRUE;
+}
+
+void TQSimpleInputContext::commitChar( uint c )
+{
+    sendIMEvent( TQEvent::IMStart );
+    sendIMEvent( TQEvent::IMEnd, TQString(TQChar(c)) );
+}
+
+void TQSimpleInputContext::clearComposeBuffer(void)
+{
+    for ( uint i=0; i < (sizeof(composeBuffer)/sizeof(int)); i++ )
+        composeBuffer[i] = 0;
+}
+