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603 lines
19 KiB
603 lines
19 KiB
/*
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* This file is part of the KDE/KOffice project.
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* Copyright (C) 2005, Gary Cramblitt <garycramblitt@comcast.net>
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*
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* @author Gary Cramblitt <garycramblitt@comcast.net>
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* @since KOffice 1.5
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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// TQt includes.
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#include <tqtimer.h>
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#include <tqcursor.h>
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#include <tqtooltip.h>
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#include <tqwhatsthis.h>
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#include <tqmenubar.h>
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#include <tqlabel.h>
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#include <tqbutton.h>
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#include <tqcombobox.h>
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#include <tqtabbar.h>
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#include <tqgroupbox.h>
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#include <tqlineedit.h>
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#include <tqtextedit.h>
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#include <tqlistview.h>
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#include <tqlistbox.h>
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#include <tqiconview.h>
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#include <tqtable.h>
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#include <tqgridview.h>
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#include <tqregexp.h>
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#include <tqstylesheet.h>
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// KDE includes.
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#include <kapplication.h>
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#include <klocale.h>
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#include <kglobal.h>
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#include <dcopclient.h>
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#include <tdeconfig.h>
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#include <ktrader.h>
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#include <kdebug.h>
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// KoSpeaker includes.
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#include "KoSpeaker.h"
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#include "KoSpeaker.moc"
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// ------------------ KoSpeakerPrivate ------------------------
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class KoSpeakerPrivate
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{
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public:
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KoSpeakerPrivate() :
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m_versionChecked(false),
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m_enabled(false),
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m_speakFlags(0),
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m_timeout(600),
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m_timer(0),
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m_prevPointerWidget(0),
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m_prevPointerId(-1),
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m_prevFocusWidget(0),
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m_prevFocusId(-1),
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m_prevWidget(0),
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m_prevId(-1),
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m_cancelSpeakWidget(false)
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{}
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// List of text jobs.
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TQValueList<uint> m_jobNums;
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// Whether the version of KTTSD has been requested from the daemon.
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bool m_versionChecked;
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// KTTSD version string.
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TQString m_kttsdVersion;
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// Language code of last spoken text.
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TQString m_langCode;
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// Word used before speaking an accelerator letter.
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TQString m_acceleratorPrefix;
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// Whether TTS service is available or not.
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bool m_enabled;
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// TTS options.
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uint m_speakFlags;
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// Timer which implements the polling interval.
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int m_timeout;
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TQTimer* m_timer;
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// Widget and part of widget for 1) last widget under mouse pointer, 2) last widget with focus, and
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// last widget spoken.
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TQWidget* m_prevPointerWidget;
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int m_prevPointerId;
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TQWidget* m_prevFocusWidget;
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int m_prevFocusId;
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TQWidget* m_prevWidget;
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int m_prevId;
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// True when cancelSpeakWidget has been called in response to customSpeakWidget signal.
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bool m_cancelSpeakWidget;
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};
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// ------------------ KoSpeaker -------------------------------
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KoSpeaker* KoSpeaker::KSpkr = 0L;
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KoSpeaker::KoSpeaker()
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{
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Q_ASSERT(!KSpkr);
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KSpkr = this;
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d = new KoSpeakerPrivate();
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readConfig(TDEGlobal::config());
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}
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KoSpeaker::~KoSpeaker()
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{
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if (d->m_jobNums.count() > 0) {
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for (int i = d->m_jobNums.count() - 1; i >= 0; i--)
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removeText(d->m_jobNums[i]);
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d->m_jobNums.clear();
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}
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delete d;
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KSpkr = 0;
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}
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bool KoSpeaker::isEnabled() const { return d->m_enabled; }
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void KoSpeaker::probe()
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{
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d->m_timer->stop();
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TQWidget* w;
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TQPoint pos;
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bool spoke = false;
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if ( d->m_speakFlags & SpeakFocusWidget ) {
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w = kapp->focusWidget();
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if (w) {
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spoke = maybeSayWidget(w);
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if (!spoke)
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emit customSpeakWidget(w, pos, d->m_speakFlags);
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}
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}
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if ( !spoke && d->m_speakFlags & SpeakPointerWidget ) {
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pos = TQCursor::pos();
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w = kapp->widgetAt(pos, true);
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if (w) {
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if (!maybeSayWidget(w, pos))
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emit customSpeakWidget(w, pos, d->m_speakFlags);
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}
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}
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d->m_timer->start(d->m_timeout);
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}
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void KoSpeaker::queueSpeech(const TQString& msg, const TQString& langCode /*= TQString()*/, bool first /*= true*/)
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{
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if (!startKttsd()) return;
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int jobCount = d->m_jobNums.count();
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if (first && jobCount > 0) {
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for (int i = jobCount - 1; i >= 0; i--)
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removeText(d->m_jobNums[i]);
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d->m_jobNums.clear();
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jobCount = 0;
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}
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TQString s = msg.stripWhiteSpace();
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if (s.isEmpty()) return;
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// kdDebug() << "KoSpeaker::queueSpeech: s = [" << s << "]" << endl;
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// If no language code given, assume desktop setting.
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TQString languageCode = langCode;
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if (langCode.isEmpty())
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languageCode = TDEGlobal::locale()->language();
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// kdDebug() << "KoSpeaker::queueSpeech:languageCode = " << languageCode << endl;
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// If KTTSD version is 0.3.5 or later, we can use the appendText method to submit a
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// single, multi-part text job. Otherwise, must submit separate text jobs.
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// If language code changes, then must also start a new text job so that it will
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// be spoken in correct talker.
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if (getKttsdVersion().isEmpty())
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d->m_jobNums.append(setText(s, languageCode));
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else {
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if ((jobCount == 0) || (languageCode != d->m_langCode))
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d->m_jobNums.append(setText(s, languageCode));
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else
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appendText(s, d->m_jobNums[jobCount-1]);
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}
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d->m_langCode = languageCode;
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}
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void KoSpeaker::startSpeech()
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{
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for (uint i = 0; i < d->m_jobNums.count(); i++)
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startText(d->m_jobNums[i]);
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}
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void KoSpeaker::readConfig(TDEConfig* config)
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{
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delete d->m_timer;
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d->m_timer = 0;
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config->setGroup("TTS");
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d->m_speakFlags = 0;
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if (config->readBoolEntry("SpeakPointerWidget", false)) d->m_speakFlags |= SpeakPointerWidget;
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if (config->readBoolEntry("SpeakFocusWidget", false)) d->m_speakFlags |= SpeakFocusWidget;
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if (config->readBoolEntry("SpeakTooltips", true)) d->m_speakFlags |= SpeakTooltip;
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if (config->readBoolEntry("SpeakWhatsThis", false)) d->m_speakFlags |= SpeakWhatsThis;
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if (config->readBoolEntry("SpeakDisabled", true)) d->m_speakFlags |= SpeakDisabled;
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if (config->readBoolEntry("SpeakAccelerators", true)) d->m_speakFlags |= SpeakAccelerator;
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d->m_timeout = config->readNumEntry("PollingInterval", 600);
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d->m_acceleratorPrefix = config->readEntry("AcceleratorPrefixWord", i18n("Accelerator"));
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if (d->m_speakFlags & (SpeakPointerWidget | SpeakFocusWidget)) {
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if (startKttsd()) {
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d->m_timer = new TQTimer( this );
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connect( d->m_timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(probe()) );
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d->m_timer->start( d->m_timeout );
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}
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}
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}
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bool KoSpeaker::maybeSayWidget(TQWidget* w, const TQPoint& pos /*=TQPoint()*/)
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{
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if (!w) return false;
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int id = -1;
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TQString text;
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if (w->inherits("TQViewportWidget")) {
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w = w->parentWidget();
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if (!w) return false;
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}
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// Handle widgets that have multiple parts.
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if ( w->inherits(TQMENUBAR_OBJECT_NAME_STRING) ) {
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TQMenuBar* menuBar = dynamic_cast<TQMenuBar *>(w);
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if (pos == TQPoint()) {
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for (uint i = 0; i < menuBar->count(); ++i)
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if (menuBar->isItemActive(menuBar->idAt(i))) {
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id = menuBar->idAt(i);
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break;
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}
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}
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// TODO: This doesn't work. Need way to figure out the TQMenuItem underneath mouse pointer.
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// id = menuBarItemAt(menuBar, pos);
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if ( id != -1 )
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text = menuBar->text(id);
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}
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else
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if (w->inherits(TQPOPUPMENU_OBJECT_NAME_STRING)) {
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TQPopupMenu* popupMenu = dynamic_cast<TQPopupMenu *>(w);
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if (pos == TQPoint()) {
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for (uint i = 0; i < popupMenu->count(); ++i)
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if (popupMenu->isItemActive(popupMenu->idAt(i))) {
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id = popupMenu->idAt(i);
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break;
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}
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} else
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id = popupMenu->idAt(popupMenu->mapFromGlobal(pos));
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if ( id != -1 )
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text = popupMenu->text(id);
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}
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else
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if (w->inherits(TQTABBAR_OBJECT_NAME_STRING)) {
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TQTabBar* tabBar = dynamic_cast<TQTabBar *>(w);
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TQTab* tab = 0;
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if (pos == TQPoint())
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tab = tabBar->tabAt(tabBar->currentTab());
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else
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tab = tabBar->selectTab(tabBar->mapFromGlobal(pos));
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if (tab) {
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id = tab->identifier();
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text = tab->text();
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}
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}
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else
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if (w->inherits(TQLISTVIEW_OBJECT_NAME_STRING)) {
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TQListView* lv = dynamic_cast<TQListView *>(w);
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TQListViewItem* item = 0;
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if (pos == TQPoint())
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item = lv->currentItem();
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else
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item = lv->itemAt(lv->viewport()->mapFromGlobal(pos));
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if (item) {
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id = lv->itemPos(item);
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text = item->text(0);
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for (int col = 1; col < lv->columns(); ++col)
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if (!item->text(col).isEmpty()) text += ". " + item->text(col);
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}
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}
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else
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if (w->inherits(TQLISTBOX_OBJECT_NAME_STRING)) {
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TQListBox* lb = dynamic_cast<TQListBox *>(w);
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// qt docs say coordinates are in "on-screen" coordinates. What does that mean?
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TQListBoxItem* item = 0;
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if (pos == TQPoint())
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item = lb->item(lb->currentItem());
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else
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item = lb->itemAt(lb->mapFromGlobal(pos));
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if (item) {
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id = lb->index(item);
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text = item->text();
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}
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}
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else
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if (w->inherits(TQICONVIEW_OBJECT_NAME_STRING)) {
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TQIconView* iv = dynamic_cast<TQIconView *>(w);
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TQIconViewItem* item = 0;
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if (pos == TQPoint())
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item = iv->currentItem();
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else
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item = iv->findItem(iv->viewportToContents(iv->viewport()->mapFromGlobal(pos)));
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if (item) {
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id = item->index();
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text = item->text();
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}
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}
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else
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if (w->inherits(TQTABLE_OBJECT_NAME_STRING)) {
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TQTable* tbl = dynamic_cast<TQTable *>(w);
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int row = -1;
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int col = -1;
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if (pos == TQPoint()) {
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row = tbl->currentRow();
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col = tbl->currentColumn();
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} else {
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TQPoint p = tbl->viewportToContents(tbl->viewport()->mapFromGlobal(pos));
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row = tbl->rowAt(p.y());
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col = tbl->columnAt(p.x());
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}
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if (row >= 0 && col >= 0) {
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id = (row * tbl->numCols()) + col;
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text = tbl->text(row, col);
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}
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}
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else
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if (w->inherits(TQGRIDVIEW_OBJECT_NAME_STRING)) {
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TQGridView* gv = dynamic_cast<TQGridView *>(w);
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// TODO: TQGridView does not have a "current" row or column. Don't think they can even get focus?
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int row = -1;
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int col = -1;
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if (pos != TQPoint()) {
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TQPoint p = gv->viewportToContents(gv->viewport()->mapFromGlobal(pos));
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row = gv->rowAt(p.y());
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col = gv->columnAt(p.x());
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}
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if (row >= 0 && col >= 0)
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id = (row * gv->numCols()) + col;
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}
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if (pos == TQPoint()) {
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if ( w == d->m_prevFocusWidget && id == d->m_prevFocusId) return false;
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d->m_prevFocusWidget = w;
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d->m_prevFocusId = id;
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} else {
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if ( w == d->m_prevPointerWidget && id == d->m_prevPointerId) return false;
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d->m_prevPointerWidget = w;
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d->m_prevPointerId = id;
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}
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if (w == d->m_prevWidget && id == d->m_prevId) return false;
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d->m_prevWidget = w;
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d->m_prevId = id;
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// kdDebug() << " w = " << w << endl;
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d->m_cancelSpeakWidget = false;
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emit customSpeakNewWidget(w, pos, d->m_speakFlags);
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if (d->m_cancelSpeakWidget) return true;
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// Handle simple, single-part widgets.
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if ( w->inherits(TQBUTTON_OBJECT_NAME_STRING) )
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text = dynamic_cast<TQButton *>(w)->text();
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else
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if (w->inherits(TQCOMBOBOX_OBJECT_NAME_STRING))
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text = dynamic_cast<TQComboBox *>(w)->currentText();
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else
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if (w->inherits(TQLINEEDIT_OBJECT_NAME_STRING))
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text = dynamic_cast<TQLineEdit *>(w)->text();
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else
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if (w->inherits(TQTEXTEDIT_OBJECT_NAME_STRING))
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text = dynamic_cast<TQTextEdit *>(w)->text();
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else
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if (w->inherits(TQLABEL_OBJECT_NAME_STRING))
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text = dynamic_cast<TQLabel *>(w)->text();
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else
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if (w->inherits(TQGROUPBOX_OBJECT_NAME_STRING)) {
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// TODO: Should calculate this number from font size?
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if (w->mapFromGlobal(pos).y() < 30)
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text = dynamic_cast<TQGroupBox *>(w)->title();
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}
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// else
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// if (w->inherits("TQWhatsThat")) {
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// text = dynamic_cast<TQWhatsThat *>(w)->text();
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// }
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text = text.stripWhiteSpace();
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if (!text.isEmpty()) {
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if (text.right(1) == ".")
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text += " ";
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else
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text += ". ";
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}
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if (d->m_speakFlags & SpeakTooltip || text.isEmpty()) {
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// kdDebug() << "pos = " << pos << endl;
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// TQPoint p = w->mapFromGlobal(pos);
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// kdDebug() << "p = " << p << endl;
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TQString t = TQToolTip::textFor(w, pos);
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t = t.stripWhiteSpace();
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if (!t.isEmpty()) {
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if (t.right(1) != ".") t += ".";
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text += t + " ";
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}
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}
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if (d->m_speakFlags & SpeakWhatsThis || text.isEmpty()) {
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TQString t = TQWhatsThis::textFor(w, pos);
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t = t.stripWhiteSpace();
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if (!t.isEmpty()) {
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if (t.right(1) != ".") t += ".";
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text += t + " ";
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}
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}
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if (d->m_speakFlags & SpeakDisabled) {
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if (!w->isEnabled())
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text += i18n("A grayed widget", "Disabled. ");
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}
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return sayWidget(text);
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}
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bool KoSpeaker::sayWidget(const TQString& msg)
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{
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TQString s = msg;
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if (d->m_speakFlags & SpeakAccelerator) {
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int amp = s.find("&");
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if (amp >= 0) {
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TQString acc = s.mid(++amp,1);
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acc = acc.stripWhiteSpace();
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if (!acc.isEmpty())
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s += ". " + d->m_acceleratorPrefix + " " + acc + ".";
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}
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}
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s.remove("&");
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if (TQStyleSheet::mightBeRichText(s)) {
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// kdDebug() << "richtext" << endl;
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s.replace(TQRegExp("</?[pbius]>"), "");
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s.replace(TQRegExp("</?h\\d>"), "");
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s.replace(TQRegExp("<(br|hr)>"), " ");
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s.replace(TQRegExp(
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"</?(qt|center|li|pre|div|span|em|strong|big|small|sub|sup|code|tt|font|nobr|ul|ol|dl|dt)>"), "");
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s.replace(TQRegExp("</?(table|tr|th|td).*>"), "");
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s.replace(TQRegExp("</?a\\s.+>"), "");
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// Replace <img source="small|frame_text"> with "small frame_text image. "
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s.replace(TQRegExp("<img\\s.*(?:source=|src=)\"([^|\"]+)[|]?([^|\"]*)\">"), "\\1 \\2 image. ");
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}
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if (s.isEmpty()) return false;
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s.replace("Ctrl+", i18n("control plus "));
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s.replace("Alt+", i18n("alt plus "));
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s.replace("+", i18n(" plus "));
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sayScreenReaderOutput(s, "");
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return true;
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}
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// This doesn't work. Anybody know how to find the menu item underneath mouse pointer
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// in a TQMenuBar?
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// int KoSpeaker::menuBarItemAt(TQMenuBar* m, const TQPoint& p)
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// {
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// for (uint i = 0; i < m->count(); i++) {
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// int id = m->idAt(i);
|
|
// TQMenuItem* mi = m->findItem(id);
|
|
// TQWidget* w = mi->widget();
|
|
// if (w->rect().contains(w->mapFromGlobal(p))) return id;
|
|
// }
|
|
// return -1;
|
|
// }
|
|
|
|
/*static*/ bool KoSpeaker::isKttsdInstalled()
|
|
{
|
|
KTrader::OfferList offers = KTrader::self()->query("DCOP/Text-to-Speech", "Name == 'KTTSD'");
|
|
return (offers.count() > 0);
|
|
}
|
|
|
|
bool KoSpeaker::startKttsd()
|
|
{
|
|
DCOPClient *client = kapp->dcopClient();
|
|
// If KTTSD not running, start it.
|
|
if (!client->isApplicationRegistered("kttsd"))
|
|
{
|
|
TQString error;
|
|
if (kapp->startServiceByDesktopName("kttsd", TQStringList(), &error)) {
|
|
kdDebug() << "KoSpeaker::startKttsd: error starting KTTSD service: " << error << endl;
|
|
d->m_enabled = false;
|
|
} else
|
|
d->m_enabled = true;
|
|
} else
|
|
d->m_enabled = true;
|
|
return d->m_enabled;
|
|
}
|
|
|
|
TQString KoSpeaker::getKttsdVersion()
|
|
{
|
|
// Determine which version of KTTSD is running. Note that earlier versions of KSpeech interface
|
|
// did not support version() method, so we must manually marshall this call ourselves.
|
|
if (d->m_enabled) {
|
|
if (!d->m_versionChecked) {
|
|
DCOPClient *client = kapp->dcopClient();
|
|
TQByteArray data;
|
|
TQCString replyType;
|
|
TQByteArray replyData;
|
|
if ( client->call("kttsd", "KSpeech", "version()", data, replyType, replyData, true) ) {
|
|
TQDataStream arg(replyData, IO_ReadOnly);
|
|
arg >> d->m_kttsdVersion;
|
|
kdDebug() << "KoSpeaker::startKttsd: KTTSD version = " << d->m_kttsdVersion << endl;
|
|
}
|
|
d->m_versionChecked = true;
|
|
}
|
|
}
|
|
return d->m_kttsdVersion;
|
|
}
|
|
|
|
void KoSpeaker::sayScreenReaderOutput(const TQString &msg, const TQString &talker)
|
|
{
|
|
if (msg.isEmpty()) return;
|
|
DCOPClient *client = kapp->dcopClient();
|
|
TQByteArray data;
|
|
TQCString replyType;
|
|
TQByteArray replyData;
|
|
TQDataStream arg(data, IO_WriteOnly);
|
|
arg << msg << talker;
|
|
if ( !client->call("kttsd", "KSpeech", "sayScreenReaderOutput(TQString,TQString)",
|
|
data, replyType, replyData, true) ) {
|
|
kdDebug() << "KoSpeaker::sayScreenReaderOutput: failed" << endl;
|
|
}
|
|
}
|
|
|
|
uint KoSpeaker::setText(const TQString &text, const TQString &talker)
|
|
{
|
|
if (text.isEmpty()) return 0;
|
|
DCOPClient *client = kapp->dcopClient();
|
|
TQByteArray data;
|
|
TQCString replyType;
|
|
TQByteArray replyData;
|
|
TQDataStream arg(data, IO_WriteOnly);
|
|
arg << text << talker;
|
|
uint jobNum = 0;
|
|
if ( !client->call("kttsd", "KSpeech", "setText(TQString,TQString)",
|
|
data, replyType, replyData, true) ) {
|
|
kdDebug() << "KoSpeaker::sayText: failed" << endl;
|
|
} else {
|
|
TQDataStream arg2(replyData, IO_ReadOnly);
|
|
arg2 >> jobNum;
|
|
}
|
|
return jobNum;
|
|
}
|
|
|
|
int KoSpeaker::appendText(const TQString &text, uint jobNum /*=0*/)
|
|
{
|
|
if (text.isEmpty()) return 0;
|
|
DCOPClient *client = kapp->dcopClient();
|
|
TQByteArray data;
|
|
TQCString replyType;
|
|
TQByteArray replyData;
|
|
TQDataStream arg(data, IO_WriteOnly);
|
|
arg << text << jobNum;
|
|
int partNum = 0;
|
|
if ( !client->call("kttsd", "KSpeech", "appendText(TQString,uint)",
|
|
data, replyType, replyData, true) ) {
|
|
kdDebug() << "KoSpeaker::appendText: failed" << endl;
|
|
} else {
|
|
TQDataStream arg2(replyData, IO_ReadOnly);
|
|
arg2 >> partNum;
|
|
}
|
|
return partNum;
|
|
}
|
|
|
|
void KoSpeaker::startText(uint jobNum /*=0*/)
|
|
{
|
|
DCOPClient *client = kapp->dcopClient();
|
|
TQByteArray data;
|
|
TQCString replyType;
|
|
TQByteArray replyData;
|
|
TQDataStream arg(data, IO_WriteOnly);
|
|
arg << jobNum;
|
|
if ( !client->call("kttsd", "KSpeech", "startText(uint)",
|
|
data, replyType, replyData, true) ) {
|
|
kdDebug() << "KoSpeaker::startText: failed" << endl;
|
|
}
|
|
}
|
|
|
|
void KoSpeaker::removeText(uint jobNum /*=0*/)
|
|
{
|
|
DCOPClient *client = kapp->dcopClient();
|
|
TQByteArray data;
|
|
TQCString replyType;
|
|
TQByteArray replyData;
|
|
TQDataStream arg(data, IO_WriteOnly);
|
|
arg << jobNum;
|
|
if ( !client->call("kttsd", "KSpeech", "removeText(uint)",
|
|
data, replyType, replyData, true) ) {
|
|
kdDebug() << "KoSpeaker::removeText: failed" << endl;
|
|
}
|
|
}
|
|
|