Use QLibrary directly ( make it compile with Opie )

Save the last used InputMethod

1 files changed, 389 insertions, 144 deletions

diff --git a/core/launcher/inputmethods.cpp b/core/launcher/inputmethods.cpp
index 09b9a83..f0d8294 100644
--- a/core/launcher/inputmethods.cpp
+++ b/core/launcher/inputmethods.cpp
@@ -1,7 +1,7 @@
 /**********************************************************************
-** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
 **
-** This file is part of Qtopia Environment.
+** This file is part of the Qtopia Environment.
 **
 ** 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
@@ -21,33 +21,37 @@
 #define QTOPIA_INTERNAL_LANGLIST
 #include "inputmethods.h"
 
-#include <qpe/config.h>
-#include <qpe/qpeapplication.h>
-#include <qpe/inputmethodinterface.h>
-#include <qpe/qlibrary.h>
-#include <qpe/global.h>
+#include <qtopia/config.h>
+#include <qtopia/qpeapplication.h>
+#include <qtopia/inputmethodinterface.h>
+#include <qtopia/global.h>
 
 #include <qpopupmenu.h>
 #include <qpushbutton.h>
 #include <qtoolbutton.h>
+#include <qwidgetstack.h>
 #include <qwidget.h>
 #include <qlayout.h>
 #include <qtimer.h>
 #include <qdir.h>
 #include <stdlib.h>
 #include <qtranslator.h>
+#include <qtl.h>
 
 #ifdef Q_WS_QWS
 #include <qwindowsystem_qws.h>
 #include <qwsevent_qws.h>
+#include <qcopchannel_qws.h>
 #endif
 
-#ifdef SINGLE_APP
-#include "handwritingimpl.h"
-#include "keyboardimpl.h"
-#include "pickboardimpl.h"
+/* ### SingleFloppy if someone is interested? */
+#if 0
+#ifdef QT_NO_COMPONENT
+#include "../plugins/inputmethods/handwriting/handwritingimpl.h"
+#include "../plugins/inputmethods/keyboard/keyboardimpl.h"
+#include "../3rdparty/plugins/inputmethods/pickboard/pickboardimpl.h"
+#endif
 #endif
-
 
 /* XPM */
 static const char * tri_xpm[]={
@@ -64,55 +68,103 @@ static const char * tri_xpm[]={
 ".........",
 "........."};
 
-static const int inputWidgetStyle = QWidget::WStyle_Customize | 
-            QWidget::WStyle_Tool |
-            QWidget::WStyle_StaysOnTop |
-            QWidget::WGroupLeader;
+static const int inputWidgetStyle = QWidget::WStyle_Customize |
+				    QWidget::WStyle_Tool |
+				    QWidget::WStyle_StaysOnTop |
+				    QWidget::WGroupLeader;
 
-InputMethods::InputMethods( QWidget *parent ) :
-    QWidget( parent, "InputMethods", WStyle_Tool | WStyle_Customize )
+
+int InputMethod::operator <(const InputMethod& o) const
+{
+    return name() < o.name();
+}
+int InputMethod::operator >(const InputMethod& o) const
+{
+    return name() > o.name();
+}
+int InputMethod::operator <=(const InputMethod& o) const
 {
-    method = NULL;
+    return name() <= o.name();
+}
+
+
+/*
+  Slightly hacky: We use WStyle_Tool as a flag to say "this widget
+  belongs to the IM system, so clicking it should not cause a reset".
+ */
+class IMToolButton : public QToolButton
+{
+public:
+    IMToolButton::IMToolButton( QWidget *parent ) : QToolButton( parent )
+    { setWFlags( WStyle_Tool ); }
+};
 
-	setBackgroundMode ( PaletteBackground );
 
+InputMethods::InputMethods( QWidget *parent ) :
+    QWidget( parent, "InputMethods", WStyle_Tool | WStyle_Customize ),
+    mkeyboard(0), imethod(0)
+{
+    setBackgroundMode( PaletteBackground );
     QHBoxLayout *hbox = new QHBoxLayout( this );
 
-    kbdButton = new QToolButton( this );
+    kbdButton = new IMToolButton( this);
     kbdButton->setFocusPolicy(NoFocus);
     kbdButton->setToggleButton( TRUE );
-    kbdButton->setFixedHeight( 17 );
+    if (parent->sizeHint().height() > 0)
+	kbdButton->setFixedHeight( parent->sizeHint().height() );
     kbdButton->setFixedWidth( 32 );
     kbdButton->setAutoRaise( TRUE );
     kbdButton->setUsesBigPixmap( TRUE );
     hbox->addWidget( kbdButton );
     connect( kbdButton, SIGNAL(toggled(bool)), this, SLOT(showKbd(bool)) );
 
-    kbdChoice = new QToolButton( this );
+    kbdChoice = new IMToolButton( this );
     kbdChoice->setFocusPolicy(NoFocus);
     kbdChoice->setPixmap( QPixmap( (const char **)tri_xpm ) );
-    kbdChoice->setFixedHeight( 17 );
-    kbdChoice->setFixedWidth( 12 );
+    if (parent->sizeHint().height() > 0)
+	kbdChoice->setFixedHeight( parent->sizeHint().height() );
+    kbdChoice->setFixedWidth( 13 );
     kbdChoice->setAutoRaise( TRUE );
     hbox->addWidget( kbdChoice );
     connect( kbdChoice, SIGNAL(clicked()), this, SLOT(chooseKbd()) );
 
     connect( (QPEApplication*)qApp, SIGNAL(clientMoused()),
-      this, SLOT(resetStates()) );
+	    this, SLOT(resetStates()) );
+
+
+    imButton = new QWidgetStack( this ); // later a widget stack
+    imButton->setFocusPolicy(NoFocus);
+    if (parent->sizeHint().height() > 0)
+	imButton->setFixedHeight( parent->sizeHint().height() );
+    hbox->addWidget(imButton);
+
+    imChoice = new QToolButton( this );
+    imChoice->setFocusPolicy(NoFocus);
+    imChoice->setPixmap( QPixmap( (const char **)tri_xpm ) );
+    if (parent->sizeHint().height() > 0)
+	imChoice->setFixedHeight( parent->sizeHint().height() );
+    imChoice->setFixedWidth( 13 );
+    imChoice->setAutoRaise( TRUE );
+    hbox->addWidget( imChoice );
+    connect( imChoice, SIGNAL(clicked()), this, SLOT(chooseIm()) );
 
     loadInputMethods();
+
+    QCopChannel *channel = new QCopChannel( "QPE/IME", this );
+    connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
+	     this, SLOT(qcopReceive(const QCString&, const QByteArray&)) );
 }
 
 InputMethods::~InputMethods()
 {
-#ifndef SINGLE_APP
-	QValueList<InputMethod>::Iterator mit;
-	for ( mit = inputMethodList.begin(); mit != inputMethodList.end(); ++mit ) {
-		(void) (*mit).interface->release();
-		(*mit).library->unload();
-		delete (*mit).library;
-	}
-#endif
+    Config cfg("qpe");
+    cfg.setGroup("InputMethod");
+    if (imethod)
+        cfg.writeEntry("im", imethod->name() );
+    if (mkeyboard)
+        cfg.writeEntry("current", mkeyboard->name() );
+
+    unloadInputMethods();
 }
 
 void InputMethods::hideInputMethod()
@@ -131,122 +183,207 @@ void InputMethods::showInputMethod(const QString& name)
     QValueList<InputMethod>::Iterator it;
     InputMethod *im = 0;
     for ( it = inputMethodList.begin(); it != inputMethodList.end(); ++it, i++ ) {
-  if ( (*it).interface->name() == name ) {
-      im = &(*it);
-      break;
-  }
+	QString lname = (*it).libName.mid((*it).libName.findRev('/') + 1);
+	if ( (*it).name() == name || lname == name ) {
+	    im = &(*it);
+	    break;
+	}
     }
     if ( im )
-  chooseMethod(im);
+	chooseKeyboard(im);
 }
 
 void InputMethods::resetStates()
 {
-    if ( method )
-  method->interface->resetState();
+    if ( mkeyboard && !mkeyboard->newIM )
+	mkeyboard->interface->resetState();
 }
 
 QRect InputMethods::inputRect() const
 {
-    if ( !method || !method->widget->isVisible() )
-  return QRect();
+    if ( !mkeyboard || !mkeyboard->widget || !mkeyboard->widget->isVisible() )
+	return QRect();
     else
-  return method->widget->geometry();
+	return mkeyboard->widget->geometry();
+}
+
+void InputMethods::unloadInputMethods()
+{
+    unloadMethod( inputMethodList );
+    unloadMethod( inputModifierList );
+    inputMethodList.clear();
+    inputModifierList.clear();
+
+}
+
+void InputMethods::unloadMethod( QValueList<InputMethod>& list ) {
+    QValueList<InputMethod>::Iterator it;
+
+    for (it = list.begin(); it != list.end(); ++it )
+        (*it).releaseInterface();
+
+}
+
+
+QStringList InputMethods::plugins()const {
+   QString path = QPEApplication::qpeDir() + "/plugins/inputmethods";
+   QDir dir( path, "lib*.so" );
+   return dir.entryList();
+}
+
+void InputMethods::installTranslator( const QString& type ) {
+    QStringList langs = Global::languageList();
+    QStringList::ConstIterator lit;
+    for ( lit= langs.begin(); lit!=langs.end(); ++lit) {
+        QString lang = *lit;
+        QTranslator * trans = new QTranslator(qApp);
+
+        QString tfn = QPEApplication::qpeDir()+"/i18n/"+lang+"/"+type+".qm";
+
+        if ( trans->load( tfn ))
+            qApp->installTranslator( trans );
+        else
+            delete trans;
+    }
+}
+
+void InputMethods::setPreferedHandlers() {
+    Config cfg("qpe");
+    cfg.setGroup("InputMethod");
+    QString current = cfg.readEntry("current");
+    QString im = cfg.readEntry("im");
+
+    QValueList<InputMethod>::Iterator it;
+    if (!inputModifierList.isEmpty() && !im.isEmpty() ) {
+        for (it = inputModifierList.begin(); it != inputModifierList.end(); ++it )
+            if ( (*it).name() == im ) {
+                imethod = &(*it); break;
+            }
+
+    }
+    if (!inputMethodList.isEmpty() && !current.isEmpty() ) {
+        for (it = inputMethodList.begin(); it != inputMethodList.end(); ++it )
+            if ( (*it).name() == current ) {
+                qWarning("preferred keyboard is %s", current.latin1() );
+                mkeyboard = &(*it);
+                kbdButton->setPixmap( *mkeyboard->icon() );
+                break;
+            }
+    }
+
 }
 
 void InputMethods::loadInputMethods()
 {
-#ifndef SINGLE_APP
+#ifndef QT_NO_COMPONENT
     hideInputMethod();
-    method = 0;
+    mkeyboard = 0;
 
-    QValueList<InputMethod>::Iterator mit;
-    for ( mit = inputMethodList.begin(); mit != inputMethodList.end(); ++mit ) {
-  (*mit).interface->release();
-  (*mit).library->unload();
-  delete (*mit).library;
-    }
-    inputMethodList.clear();
+    unloadInputMethods();
 
     QString path = QPEApplication::qpeDir() + "/plugins/inputmethods";
-    QDir dir( path, "lib*.so" );
-    QStringList list = dir.entryList();
+    QStringList list = plugins();
     QStringList::Iterator it;
     for ( it = list.begin(); it != list.end(); ++it ) {
-  InputMethodInterface *iface = 0;
-  QLibrary *lib = new QLibrary( path + "/" + *it );
-  if ( lib->queryInterface( IID_InputMethod, (QUnknownInterface**)&iface ) == QS_OK ) {
-      InputMethod input;
-      input.library = lib;
-      input.interface = iface;
-      input.widget = input.interface->inputMethod( 0, inputWidgetStyle );
-      input.interface->onKeyPress( this, SLOT(sendKey(ushort,ushort,ushort,bool,bool)) );
-      inputMethodList.append( input );
-
-      QString type = (*it).left( (*it).find(".") );
-      QStringList langs = Global::languageList();
-      for (QStringList::ConstIterator lit = langs.begin(); lit!=langs.end(); ++lit) {
-    QString lang = *lit;
-    QTranslator * trans = new QTranslator(qApp);
-    QString tfn = QPEApplication::qpeDir()+"/i18n/"+lang+"/"+type+".qm";
-    if ( trans->load( tfn ))
-        qApp->installTranslator( trans );
-    else
-        delete trans;
-      }
-  } else {
-      delete lib;
-  }
-    }
-#else
-    InputMethod input;
-    input.interface = new HandwritingImpl();
-    input.widget = input.interface->inputMethod( 0, inputWidgetStyle );
-    input.interface->onKeyPress( this, SLOT(sendKey(ushort,ushort,ushort,bool,bool)) );
-    inputMethodList.append( input );
-    input.interface = new KeyboardImpl();
-    input.widget = input.interface->inputMethod( 0, inputWidgetStyle );
-    input.interface->onKeyPress( this, SLOT(sendKey(ushort,ushort,ushort,bool,bool)) );
-    inputMethodList.append( input );
-    input.interface = new PickboardImpl();
-    input.widget = input.interface->inputMethod( 0, inputWidgetStyle );
-    input.interface->onKeyPress( this, SLOT(sendKey(ushort,ushort,ushort,bool,bool)) );
-    inputMethodList.append( input );
-#endif
-    if ( !inputMethodList.isEmpty() ) {
-        method = &inputMethodList[0];
-        Config cfg("qpe");
-        cfg.setGroup("InputMethod");
-        QString curMethod = cfg.readEntry("current","");
-        int i = 0;
-        QValueList<InputMethod>::Iterator it;
-        for ( it = inputMethodList.begin(); it != inputMethodList.end(); ++it, i++ ) {
-            if((*it).interface->name() == curMethod) {
-                method = &inputMethodList[i];
-            }
+	InputMethodInterface *iface = 0;
+	ExtInputMethodInterface *eface = 0;
+        QLibrary *lib = new QLibrary( path + "/" + *it );
+
+	if ( lib->queryInterface( IID_InputMethod, (QUnknownInterface**)&iface ) == QS_OK ) {
+	    InputMethod input;
+	    input.newIM = FALSE;
+            input.library = lib;
+	    input.libName = *it;
+	    input.interface = iface;
+	    input.widget = input.interface->inputMethod( 0, inputWidgetStyle );
+	    input.interface->onKeyPress( this, SLOT(sendKey(ushort,ushort,ushort,bool,bool)) );
+	    inputMethodList.append( input );
+	} else if ( lib->queryInterface( IID_ExtInputMethod, (QUnknownInterface**)&eface ) == QS_OK ) {
+	    InputMethod input;
+	    input.newIM = TRUE;
+            input.library = lib;
+	    input.libName = *it;
+	    input.extInterface = eface;
+	    input.widget = input.extInterface->keyboardWidget( 0, inputWidgetStyle );
+	    // may be either a simple, or advanced.
+	    if (input.widget) {
+		//qDebug("its a keyboard");
+		inputMethodList.append( input );
+	    } else {
+		//qDebug("its a real im");
+		input.widget = input.extInterface->statusWidget( 0, 0 );
+		if (input.widget) {
+		    //qDebug("blah");
+		    inputModifierList.append( input );
+		    imButton->addWidget(input.widget, inputModifierList.count());
+		}
+	    }
+	}else{
+            delete lib;
+            lib = 0l;
         }
-        kbdButton->setPixmap( *method->interface->icon() );
+        installTranslator(  (*it).left( (*it).find(".") ) );
     }
-    if ( !inputMethodList.isEmpty() )
-  kbdButton->show();
+    qHeapSort( inputMethodList );
+#endif /* killed BUILT in cause they would not compile */
+
+    QWSServer::setCurrentInputMethod( 0 );
+
+    /* set the prefered IM + handler */
+    setPreferedHandlers();
+    if ( !inputModifierList.isEmpty() ) {
+        if (!imethod)
+            imethod = &inputModifierList[0];
+	imButton->raiseWidget(imethod->widget);
+	QWSServer::setCurrentInputMethod( imethod->extInterface->inputMethod() );
+    } else {
+	imethod = 0;
+    }
+
+    // we need to update keyboards afterwards, as some of them may not be compatible with
+    // the current input method
+    updateKeyboards(imethod);
+
+    if ( !inputModifierList.isEmpty() )
+	imButton->show();
     else
-  kbdButton->hide();
-    if ( inputMethodList.count() > 1 )
-  kbdChoice->show();
+	imButton->hide();
+
+    if ( inputModifierList.count() > 1 )
+	imChoice->show();
     else
-  kbdChoice->hide();
+	imChoice->hide();
 }
 
 void InputMethods::chooseKbd()
 {
     QPopupMenu pop( this );
+    pop.setFocusPolicy( NoFocus ); //don't reset IM
+
+    QString imname;
+    if (imethod)
+	imname = imethod->libName.mid(imethod->libName.findRev('/') + 1);
 
     int i = 0;
+    int firstDepKbd = 0;
+
     QValueList<InputMethod>::Iterator it;
     for ( it = inputMethodList.begin(); it != inputMethodList.end(); ++it, i++ ) {
-  pop.insertItem( (*it).interface->name(), i );
-  if ( method == &(*it) )
-      pop.setItemChecked( i, TRUE );
+	// add empty new items, all old items.
+	if (!(*it).newIM || (*it).extInterface->compatible().count() == 0 ) {
+	    pop.insertItem( (*it).name(), i, firstDepKbd);
+	    if ( mkeyboard == &(*it) )
+		pop.setItemChecked( i, TRUE );
+
+	    firstDepKbd++;
+	} else if ( (*it).extInterface->compatible().contains(imname)) {
+	    // check if we need to insert a sep.
+	    if (firstDepKbd == i)
+		pop.insertSeparator();
+	    pop.insertItem( (*it).name(), i, -1);
+	    if ( mkeyboard == &(*it) )
+		pop.setItemChecked( i, TRUE );
+	}
     }
 
     QPoint pt = mapToGlobal(kbdChoice->geometry().topRight());
@@ -255,48 +392,156 @@ void InputMethods::chooseKbd()
     pt.rx() -= s.width();
     i = pop.exec( pt );
     if ( i == -1 )
-  return;
+	return;
     InputMethod *im = &inputMethodList[i];
+    chooseKeyboard(im);
+}
+
+void InputMethods::chooseIm()
+{
+    QPopupMenu pop( this );
+
+    int i = 0;
+    QValueList<InputMethod>::Iterator it;
+    for ( it = inputModifierList.begin(); it != inputModifierList.end(); ++it, i++ ) {
+	pop.insertItem( (*it).name(), i );
+	if ( imethod == &(*it) )
+	    pop.setItemChecked( i, TRUE );
+    }
+
+    QPoint pt = mapToGlobal(imChoice->geometry().topRight());
+    QSize s = pop.sizeHint();
+    pt.ry() -= s.height();
+    pt.rx() -= s.width();
+    i = pop.exec( pt );
+    if ( i == -1 )
+	return;
+    InputMethod *im = &inputModifierList[i];
+
     chooseMethod(im);
 }
 
+void InputMethods::chooseKeyboard(InputMethod* im)
+{
+    if ( im != mkeyboard ) {
+	if ( mkeyboard && mkeyboard->widget->isVisible() )
+	    mkeyboard->widget->hide();
+	mkeyboard = im;
+	kbdButton->setPixmap( *mkeyboard->icon() );
+    }
+    if ( !kbdButton->isOn() )
+	kbdButton->setOn( TRUE );
+    else
+	showKbd( TRUE );
+}
+
+static bool keyboardCompatible(InputMethod *keyb, const QString &imname )
+{
+    if ( !keyb || !keyb->newIM || !keyb->extInterface->compatible().count() )
+	return TRUE;
+
+    if ( keyb->extInterface->compatible().contains(imname) )
+	return TRUE;
+
+    return FALSE;
+}
+
+// Updates the display of the soft keyboards available to the current input method
+void InputMethods::updateKeyboards(InputMethod *im )
+{
+    uint count;
+
+    if ( im ) {
+	QString imname = im->libName.mid(im->libName.findRev('/') + 1);
+
+	if ( mkeyboard && !keyboardCompatible(mkeyboard, imname) ) {
+	    kbdButton->setOn( FALSE );
+	    showKbd( FALSE );
+	    mkeyboard = 0;
+	}
+
+	count = 0;
+
+	QValueList<InputMethod>::Iterator it;
+	for ( it = inputMethodList.begin(); it != inputMethodList.end(); ++it ) {
+	    if ( keyboardCompatible( &(*it), imname ) ) {
+		if ( !mkeyboard ) {
+		    mkeyboard = &(*it);
+		    kbdButton->setPixmap( *mkeyboard->icon() );
+		}
+
+		count++;
+	    }
+	}
+    } else {
+	count = inputMethodList.count();
+	if ( count && !mkeyboard ) {
+	    mkeyboard = &inputMethodList[0];
+	    kbdButton->setPixmap( *mkeyboard->icon() );
+	} else if (!count){
+	    mkeyboard = 0;  //might be redundant
+	}
+    }
+
+    if ( count > 1 )
+	kbdChoice->show();
+    else
+	kbdChoice->hide();
+
+    if ( count )
+	kbdButton->show();
+    else
+	kbdButton->hide();
+}
+
 void InputMethods::chooseMethod(InputMethod* im)
 {
-    if ( im != method ) {
-        if ( method && method->widget->isVisible() )
-            method->widget->hide();
-        method = im;
+    if ( im != imethod ) {
+	updateKeyboards( im );
+
         Config cfg("qpe");
         cfg.setGroup("InputMethod");
-        cfg.writeEntry("current",  method->interface->name());
-        kbdButton->setPixmap( *method->interface->icon() );
+        if (im )
+            cfg.writeEntry("im", im->name() );
+        if (mkeyboard)
+            cfg.writeEntry("current", mkeyboard->name() );
+
+	QWSServer::setCurrentInputMethod( 0 );
+	imethod = im;
+	if ( imethod && imethod->newIM )
+	    QWSServer::setCurrentInputMethod( imethod->extInterface->inputMethod() );
+	else
+	    QWSServer::setCurrentInputMethod( 0 );
+
+	if ( im )
+	    imButton->raiseWidget(im->widget);
+	else
+	    imButton->hide(); //### good UI? make sure it is shown again!
     }
-    if ( !kbdButton->isOn() )
-  kbdButton->setOn( TRUE );
-    else
-  showKbd( TRUE );
+}
+
+void InputMethods::qcopReceive( const QCString &msg, const QByteArray &data )
+{
+    if ( imethod && imethod->newIM )
+	imethod->extInterface->qcopReceive( msg, data );
 }
 
 
 void InputMethods::showKbd( bool on )
 {
-    if ( !method )
-  return;
+    if ( !mkeyboard )
+	return;
 
     if ( on ) {
-  method->interface->resetState();
-  // HACK... Make the texteditor fit with all input methods
-  // Input methods should also never use more than about 40% of the screen
-  int height = QMIN( method->widget->sizeHint().height(), 134 );
-  #ifdef QT_QWS_SIMPAD
-  method->widget->resize( qApp->desktop()->width() / 2, height ); // make it half the width on the SIMpad
-  #else
-  method->widget->resize( qApp->desktop()->width(), height );
-  #endif
-  method->widget->move( 0, mapToGlobal( QPoint() ).y() - height );
-  method->widget->show();
+	mkeyboard->resetState();
+	// HACK... Make the texteditor fit with all input methods
+	// Input methods should also never use more than about 40% of the screen
+	int height = QMIN( mkeyboard->widget->sizeHint().height(), 134 );
+	mkeyboard->widget->resize( qApp->desktop()->width(), height );
+	mkeyboard->widget->move( 0, mapToGlobal( QPoint() ).y() - height );
+	mkeyboard->widget->show();
     } else {
-  method->widget->hide();
+	mkeyboard->widget->hide();
     }
 
     emit inputToggled( on );
@@ -304,13 +549,13 @@ void InputMethods::showKbd( bool on )
 
 bool InputMethods::shown() const
 {
-    return method && method->widget->isVisible();
+    return mkeyboard && mkeyboard->widget->isVisible();
 }
 
 QString InputMethods::currentShown() const
 {
-    return method && method->widget->isVisible()
-  ? method->interface->name() : QString::null;
+    return mkeyboard && mkeyboard->widget->isVisible()
+	? mkeyboard->name() : QString::null;
 }
 
 void InputMethods::sendKey( ushort unicode, ushort scancode, ushort mod, bool press, bool repeat )