qt5虚拟键盘 QPlatformInputContext

/*************************************************************************** ** ** A chinese input method based on Qt 5.x ** Copyright (C) <2014> <xinh> ** ****************************************************************************/ #include <QtCore> #include <QMessageBox> #include "pinyininputmethod.h" #include "mockupinputcontext.h" //--------------------------------------------------------------------------- CPinyinInputMethod::CPinyinInputMethod() { HanziModel.clear(); QDateTime dt = QDateTime::currentDateTime(); QSettings setter(":/pinyin/pinyinEx.ini", QSettings::IniFormat); key = setter.value("pyKey", key).toStringList(); val = setter.value("pyVal", val).toStringList(); if (key.size() <= 1) { QMessageBox::warning( 0, tr("pinyin"), tr("Can't load!") ); return; } qDebug() << "time: " << -QDateTime::currentDateTime().msecsTo(dt); qDebug() << key[key.size()-1] << " : " << val[val.size()-1]; } //--------------------------------------------------------------------------- CPinyinInputMethod::~CPinyinInputMethod() { key.clear(); val.clear(); HanziModel.clear(); } int CPinyinInputMethod::BinarySearch(const QString &gemfield) { int min = 0; int max = key.size(); int idx = max / 2; while (true) { if (key[idx].startsWith(gemfield)) break; if (max == min + 1 || max <= min || max == idx + 1 || max == idx || min == idx + 1 || min == idx ) return -1; if (key[idx] > gemfield) max = idx; else min = idx; idx = (max + min) / 2; } do{ if (--idx < 0) break; }while(key[idx].startsWith(gemfield)); return ++idx; } //--------------------------------------------------------------------------- void CPinyinInputMethod::Matching(const QString &gemfield ) { HanziModel.clear(); QString str = gemfield.toLower(); int idx = BinarySearch(str); if (idx != -1) { while(true) { if (idx >= key.size()) break; if (key[idx].startsWith(gemfield)) HanziModel.append(val[idx]); else break; idx++; } } Update(); } void CPinyinInputMethod::Update() { MockupInputContext::d->view->engine()->rootContext()->setContextProperty("hanziModel", HanziModel); } //---------------------------------------------------------------------------