myinputpanelcontext.cpp Example File
tools/inputpanel/myinputpanelcontext.cpp

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 #include <QtCore>

 #include "myinputpanelcontext.h"


 MyInputPanelContext::MyInputPanelContext()
 {
     inputPanel = new MyInputPanel;
     connect(inputPanel, SIGNAL(characterGenerated(QChar)), SLOT(sendCharacter(QChar)));
 }


 MyInputPanelContext::~MyInputPanelContext()
 {
     delete inputPanel;
 }


 bool MyInputPanelContext::filterEvent(const QEvent* event)
 {
     if (event->type() == QEvent::RequestSoftwareInputPanel) {
         updatePosition();
         inputPanel->show();
         return true;
     } else if (event->type() == QEvent::CloseSoftwareInputPanel) {
         inputPanel->hide();
         return true;
     }
     return false;
 }


 QString MyInputPanelContext::identifierName()
 {
     return "MyInputPanelContext";
 }

 void MyInputPanelContext::reset()
 {
 }

 bool MyInputPanelContext::isComposing() const
 {
     return false;
 }

 QString MyInputPanelContext::language()
 {
     return "en_US";
 }


 void MyInputPanelContext::sendCharacter(QChar character)
 {
     QPointer<QWidget> w = focusWidget();

     if (!w)
         return;

     QKeyEvent keyPress(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString(character));
     QApplication::sendEvent(w, &keyPress);

     if (!w)
         return;

     QKeyEvent keyRelease(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString());
     QApplication::sendEvent(w, &keyRelease);
 }



 void MyInputPanelContext::updatePosition()
 {
     QWidget *widget = focusWidget();
     if (!widget)
         return;

     QRect widgetRect = widget->rect();
     QPoint panelPos = QPoint(widgetRect.left(), widgetRect.bottom() + 2);
     panelPos = widget->mapToGlobal(panelPos);
     inputPanel->move(panelPos);
 }