Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaccessibility@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 517 insertions, 0 deletions

diff --git a/kttsd/libkttsd/talkercode.cpp b/kttsd/libkttsd/talkercode.cpp
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--- /dev/null
+++ b/kttsd/libkttsd/talkercode.cpp
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+/***************************************************** vim:set ts=4 sw=4 sts=4:
+  Convenience object for manipulating Talker Codes.
+  For an explanation of what a Talker Code is, see kspeech.h. 
+  -------------------
+  Copyright:
+  (C) 2005 by Gary Cramblitt <garycramblitt@comcast.net>
+  -------------------
+  Original author: Gary Cramblitt <garycramblitt@comcast.net>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ ******************************************************************************/
+
+// KDE includes.
+#include <kglobal.h>
+#include <klocale.h>
+#include <ktrader.h>
+#include <kdebug.h>
+
+// TalkerCode includes.
+#include "talkercode.h"
+
+/**
+ * Constructor.
+ */
+TalkerCode::TalkerCode(const QString &code/*=QString::null*/, bool normal /*=false*/)
+{
+    if (!code.isEmpty())
+        parseTalkerCode(code);
+    if (normal) normalize();
+}
+
+/**
+ * Copy Constructor.
+ */
+TalkerCode::TalkerCode(TalkerCode* talker, bool normal /*=false*/)
+{
+    m_languageCode = talker->languageCode();
+    m_countryCode = talker->countryCode();
+    m_voice = talker->voice();
+    m_gender = talker->gender();
+    m_volume = talker->volume();
+    m_rate = talker->rate();
+    m_plugInName = talker->plugInName();
+    if (normal) normalize();
+}
+
+/**
+ * Destructor.
+ */
+TalkerCode::~TalkerCode() { }
+
+/**
+ * Properties.
+ */
+QString TalkerCode::languageCode() const { return m_languageCode; }
+QString TalkerCode::countryCode() const { return m_countryCode; }
+QString TalkerCode::voice() const { return m_voice; }
+QString TalkerCode::gender() const { return m_gender; }
+QString TalkerCode::volume() const { return m_volume; }
+QString TalkerCode::rate() const { return m_rate; }
+QString TalkerCode::plugInName() const { return m_plugInName; }
+
+void TalkerCode::setLanguageCode(const QString &languageCode) { m_languageCode = languageCode; }
+void TalkerCode::setCountryCode(const QString &countryCode) { m_countryCode = countryCode; }
+void TalkerCode::setVoice(const QString &voice) { m_voice = voice; }
+void TalkerCode::setGender(const QString &gender) { m_gender = gender; }
+void TalkerCode::setVolume(const QString &volume) { m_volume = volume; }
+void TalkerCode::setRate(const QString &rate) { m_rate = rate; }
+void TalkerCode::setPlugInName(const QString plugInName) { m_plugInName = plugInName; }
+
+/**
+ * Sets the language code and country code (if given).
+ */
+void TalkerCode::setFullLanguageCode(const QString &fullLanguageCode)
+{
+    splitFullLanguageCode(fullLanguageCode, m_languageCode, m_countryCode);
+}
+
+/**
+ * Returns the language code plus country code (if any).
+ */
+QString TalkerCode::fullLanguageCode() const
+{
+    if (!m_countryCode.isEmpty())
+        return m_languageCode + "_" + m_countryCode;
+    else
+        return m_languageCode;
+}
+
+/**
+ * The Talker Code returned in XML format.
+ */
+QString TalkerCode::getTalkerCode() const
+{
+    QString code;
+    QString languageCode = m_languageCode;
+    if (!m_countryCode.isEmpty()) languageCode += "_" + m_countryCode;
+    if (!languageCode.isEmpty()) code = "lang=\"" + languageCode + "\" ";
+    if (!m_voice.isEmpty()) code += "name=\"" + m_voice + "\" ";
+    if (!m_gender.isEmpty()) code += "gender=\"" + m_gender + "\" ";
+    if (!code.isEmpty()) code = "<voice " + code + "/>";
+    QString prosody;
+    if (!m_volume.isEmpty()) prosody = "volume=\"" + m_volume + "\" ";
+    if (!m_rate.isEmpty()) prosody += "rate=\"" + m_rate + "\" ";
+    if (!prosody.isEmpty()) code += "<prosody " + prosody + "/>";
+    if (!m_plugInName.isEmpty()) code += "<kttsd synthesizer=\"" + m_plugInName + "\" />";
+    return code;
+}
+
+/**
+ * The Talker Code translated for display.
+ */
+QString TalkerCode::getTranslatedDescription() const
+{
+    QString code;
+    bool prefer;
+    QString fullLangCode = fullLanguageCode();
+    if (!fullLangCode.isEmpty()) code = languageCodeToLanguage( fullLangCode );
+    // TODO: The PlugInName is always English.  Need a way to convert this to a translated
+    // name (possibly via DesktopEntryNameToName, but to do that, we need the desktopEntryName
+    // from the config file).
+    if (!m_plugInName.isEmpty()) code += " " + stripPrefer(m_plugInName, prefer);
+    if (!m_voice.isEmpty()) code += " " + stripPrefer(m_voice, prefer);
+    if (!m_gender.isEmpty()) code += " " + translatedGender(stripPrefer(m_gender, prefer));
+    if (!m_volume.isEmpty()) code += " " + translatedVolume(stripPrefer(m_volume, prefer));
+    if (!m_rate.isEmpty()) code += " " + translatedRate(stripPrefer(m_rate, prefer));
+    code = code.stripWhiteSpace();
+    if (code.isEmpty()) code = i18n("default");
+    return code;
+}
+
+/**
+ * Normalizes the Talker Code by filling in defaults.
+ */
+void TalkerCode::normalize()
+{
+    if (m_voice.isEmpty()) m_voice = "fixed";
+    if (m_gender.isEmpty()) m_gender = "neutral";
+    if (m_volume.isEmpty()) m_volume = "medium";
+    if (m_rate.isEmpty()) m_rate = "medium";
+}
+
+/**
+ * Given a talker code, normalizes it into a standard form and also returns
+ * the language code.
+ * @param talkerCode            Unnormalized talker code.
+ * @return fullLanguageCode     Language code from the talker code (including country code if any).
+ * @return                      Normalized talker code.
+ */
+/*static*/ QString TalkerCode::normalizeTalkerCode(const QString &talkerCode, QString &fullLanguageCode)
+{
+    TalkerCode tmpTalkerCode(talkerCode);
+    tmpTalkerCode.normalize();
+    fullLanguageCode = tmpTalkerCode.fullLanguageCode();
+    return tmpTalkerCode.getTalkerCode();
+}
+
+/**
+ * Given a language code that might contain a country code, splits the code into
+ * the two letter language code and country code.
+ * @param fullLanguageCode     Language code to be split.
+ * @return languageCode        Just the language part of the code.
+ * @return countryCode         The country code part (if any).
+ *
+ * If the input code begins with an asterisk, it is ignored and removed from the returned
+ * languageCode.
+ */
+/*static*/ void TalkerCode::splitFullLanguageCode(const QString &lang, QString &languageCode, QString &countryCode)
+{
+    QString language = lang;
+    if (language.left(1) == "*") language = language.mid(1);
+    QString charSet;
+    KGlobal::locale()->splitLocale(language, languageCode, countryCode, charSet);
+}
+
+/**
+ * Given a full language code and plugin name, returns a normalized default talker code.
+ * @param fullLanguageCode      Language code.
+ * @param plugInName            Name of the Synthesizer plugin.
+ * @return                      Full normalized talker code.
+ *
+ * Example returned from defaultTalkerCode("en", "Festival")
+ *   <voice lang="en" name="fixed" gender="neutral"/>
+ *   <prosody volume="medium" rate="medium"/>
+ *   <kttsd synthesizer="Festival" />
+ */
+/*static*/ QString TalkerCode::defaultTalkerCode(const QString &fullLanguageCode, const QString &plugInName)
+{
+    TalkerCode tmpTalkerCode;
+    tmpTalkerCode.setFullLanguageCode(fullLanguageCode);
+    tmpTalkerCode.setPlugInName(plugInName);
+    tmpTalkerCode.normalize();
+    return tmpTalkerCode.getTalkerCode();
+}
+
+/**
+ * Converts a language code plus optional country code to language description.
+ */
+/*static*/ QString TalkerCode::languageCodeToLanguage(const QString &languageCode)
+{
+    QString twoAlpha;
+    QString countryCode;
+    QString language;
+    if (languageCode == "other")
+        language = i18n("Other");
+    else
+    {
+        splitFullLanguageCode(languageCode, twoAlpha, countryCode);
+        language = KGlobal::locale()->twoAlphaToLanguageName(twoAlpha);
+    }
+    if (!countryCode.isEmpty())
+    {
+        QString countryName = KGlobal::locale()->twoAlphaToCountryName(countryCode);
+        // Some abbreviations to save screen space.
+        if (countryName == i18n("full country name", "United States of America"))
+            countryName = i18n("abbreviated country name", "USA");
+        if (countryName == i18n("full country name", "United Kingdom"))
+            countryName = i18n("abbreviated country name", "UK");
+        language += " (" + countryName + ")";
+    }
+    return language;
+}
+
+/**
+ * These functions return translated Talker Code attributes.
+ */
+/*static*/ QString TalkerCode::translatedGender(const QString &gender)
+{
+    if (gender == "male")
+        return i18n("male");
+    else if (gender == "female")
+        return i18n("female");
+    else if (gender == "neutral")
+        return i18n("neutral gender", "neutral");
+    else return gender;
+}
+/*static*/ QString TalkerCode::untranslatedGender(const QString &gender)
+{
+    if (gender == i18n("male"))
+        return "male";
+    else if (gender == i18n("female"))
+        return "female";
+    else if (gender == i18n("neutral gender", "neutral"))
+        return "neutral";
+    else return gender;
+}
+/*static*/ QString TalkerCode::translatedVolume(const QString &volume)
+{
+    if (volume == "medium")
+        return i18n("medium sound", "medium");
+    else if (volume == "loud")
+        return i18n("loud sound", "loud");
+    else if (volume == "soft")
+        return i18n("soft sound", "soft");
+    else return volume;
+}
+/*static*/ QString TalkerCode::untranslatedVolume(const QString &volume)
+{
+    if (volume == i18n("medium sound", "medium"))
+        return "medium";
+    else if (volume == i18n("loud sound", "loud"))
+        return "loud";
+    else if (volume == i18n("soft sound", "soft"))
+        return "soft";
+    else return volume;
+}
+/*static*/ QString TalkerCode::translatedRate(const QString &rate)
+{
+    if (rate == "medium")
+        return i18n("medium speed", "medium");
+    else if (rate == "fast")
+        return i18n("fast speed", "fast");
+    else if (rate == "slow")
+        return i18n("slow speed", "slow");
+    else return rate;
+}
+/*static*/ QString TalkerCode::untranslatedRate(const QString &rate)
+{
+    if (rate == i18n("medium speed", "medium"))
+        return "medium";
+    else if (rate == i18n("fast speed", "fast"))
+        return "fast";
+    else if (rate == i18n("slow speed", "slow"))
+        return "slow";
+    else return rate;
+}
+
+/**
+ * Given a talker code, parses out the attributes.
+ * @param talkerCode       The talker code.
+ */
+void TalkerCode::parseTalkerCode(const QString &talkerCode)
+{
+    QString fullLanguageCode;
+    if (talkerCode.contains("\""))
+    {
+        fullLanguageCode = talkerCode.section("lang=", 1, 1);
+        fullLanguageCode = fullLanguageCode.section('"', 1, 1);
+    }
+    else
+        fullLanguageCode = talkerCode;
+    QString languageCode;
+    QString countryCode;
+    splitFullLanguageCode(fullLanguageCode, languageCode, countryCode);
+    m_languageCode = languageCode;
+    if (fullLanguageCode.left(1) == "*") countryCode = "*" + countryCode;
+    m_countryCode = countryCode;
+    m_voice = talkerCode.section("name=", 1, 1);
+    m_voice = m_voice.section('"', 1, 1);
+    m_gender = talkerCode.section("gender=", 1, 1);
+    m_gender = m_gender.section('"', 1, 1);
+    m_volume = talkerCode.section("volume=", 1, 1);
+    m_volume = m_volume.section('"', 1, 1);
+    m_rate = talkerCode.section("rate=", 1, 1);
+    m_rate = m_rate.section('"', 1, 1);
+    m_plugInName = talkerCode.section("synthesizer=", 1, 1);
+    m_plugInName = m_plugInName.section('"', 1, 1);
+}
+
+/**
+ * Given a list of parsed talker codes and a desired talker code, finds the closest
+ * matching talker in the list.
+ * @param talkers                       The list of parsed talker codes.
+ * @param talker                        The desired talker code.
+ * @param assumeDefaultLang             If true, and desired talker code lacks a language code,
+ *                                      the default language is assumed.
+ * @return                              Index into talkers of the closest matching talker.
+ */
+/*static*/ int TalkerCode::findClosestMatchingTalker(
+    const TalkerCodeList& talkers,
+    const QString& talker,
+    bool assumeDefaultLang)
+{
+    // kdDebug() << "TalkerCode::findClosestMatchingTalker: matching on talker code " << talker << endl;
+    // If nothing to match on, winner is top in the list.
+    if (talker.isEmpty()) return 0;
+    // Parse the given talker.
+    TalkerCode parsedTalkerCode(talker);
+    // If no language code specified, use the language code of the default talker.
+    if (assumeDefaultLang)
+    {
+        if (parsedTalkerCode.languageCode().isEmpty()) parsedTalkerCode.setLanguageCode(
+            talkers[0].languageCode());
+    }
+    // The talker that matches on the most priority attributes wins.
+    int talkersCount = int(talkers.count());
+    QMemArray<int> priorityMatch(talkersCount);
+    for (int ndx = 0; ndx < talkersCount; ++ndx)
+    {
+        priorityMatch[ndx] = 0;
+        // kdDebug() << "Comparing language code " << parsedTalkerCode.languageCode() << " to " << m_loadedPlugIns[ndx].parsedTalkerCode.languageCode() << endl;
+        if (parsedTalkerCode.languageCode() == talkers[ndx].languageCode())
+        {
+            ++priorityMatch[ndx];
+            // kdDebug() << "TalkerCode::findClosestMatchingTalker: Match on language " << parsedTalkerCode.languageCode() << endl;
+        }
+        if (parsedTalkerCode.countryCode().left(1) == "*")
+            if (parsedTalkerCode.countryCode().mid(1) ==
+                talkers[ndx].countryCode())
+                ++priorityMatch[ndx];
+        if (parsedTalkerCode.voice().left(1) == "*")
+            if (parsedTalkerCode.voice().mid(1) == talkers[ndx].voice())
+                ++priorityMatch[ndx];
+        if (parsedTalkerCode.gender().left(1) == "*")
+            if (parsedTalkerCode.gender().mid(1) == talkers[ndx].gender())
+                ++priorityMatch[ndx];
+        if (parsedTalkerCode.volume().left(1) == "*")
+            if (parsedTalkerCode.volume().mid(1) == talkers[ndx].volume())
+                ++priorityMatch[ndx];
+        if (parsedTalkerCode.rate().left(1) == "*")
+            if (parsedTalkerCode.rate().mid(1) == talkers[ndx].rate())
+                ++priorityMatch[ndx];
+        if (parsedTalkerCode.plugInName().left(1) == "*")
+            if (parsedTalkerCode.plugInName().mid(1) ==
+                talkers[ndx].plugInName())
+                ++priorityMatch[ndx];
+    }
+    // Determine the maximum number of priority attributes that were matched.
+    int maxPriority = -1;
+    for (int ndx = 0; ndx < talkersCount; ++ndx)
+    {
+        if (priorityMatch[ndx] > maxPriority) maxPriority = priorityMatch[ndx];
+    }
+    // Find the talker(s) that matched on most priority attributes.
+    int winnerCount = 0;
+    int winner = -1;
+    for (int ndx = 0; ndx < talkersCount; ++ndx)
+    {
+        if (priorityMatch[ndx] == maxPriority)
+        {
+            ++winnerCount;
+            winner = ndx;
+        }
+    }
+    // kdDebug() << "Priority phase: winnerCount = " << winnerCount 
+    //     << " winner = " << winner
+    //     << " maxPriority = " << maxPriority << endl;
+    // If a tie, the one that matches on the most priority and preferred attributes wins.
+    // If there is still a tie, the one nearest the top of the kttsmgr display
+    // (first configured) will be chosen.
+    if (winnerCount > 1)
+    {
+        QMemArray<int> preferredMatch(talkersCount);
+        for (int ndx = 0; ndx < talkersCount; ++ndx)
+        {
+            preferredMatch[ndx] = 0;
+            if (priorityMatch[ndx] == maxPriority)
+            {
+                if (parsedTalkerCode.countryCode().left(1) != "*")
+                    if (!talkers[ndx].countryCode().isEmpty())
+                        if (parsedTalkerCode.countryCode() == talkers[ndx].countryCode())
+                            ++preferredMatch[ndx];
+                if (parsedTalkerCode.voice().left(1) != "*")
+                    if (parsedTalkerCode.voice() == talkers[ndx].voice())
+                        ++preferredMatch[ndx];
+                if (parsedTalkerCode.gender().left(1) != "*")
+                    if (parsedTalkerCode.gender() == talkers[ndx].gender())
+                        ++preferredMatch[ndx];
+                if (parsedTalkerCode.volume().left(1) != "*")
+                    if (parsedTalkerCode.volume() == talkers[ndx].volume())
+                        ++preferredMatch[ndx];
+                if (parsedTalkerCode.rate().left(1) != "*")
+                    if (parsedTalkerCode.rate() == talkers[ndx].rate())
+                        ++preferredMatch[ndx];
+                if (parsedTalkerCode.plugInName().left(1) != "*")
+                    if (parsedTalkerCode.plugInName() ==
+                        talkers[ndx].plugInName())
+                        ++preferredMatch[ndx];
+            }
+        }
+        // Determine the maximum number of preferred attributes that were matched.
+        int maxPreferred = -1;
+        for (int ndx = 0; ndx < talkersCount; ++ndx)
+        {
+            if (preferredMatch[ndx] > maxPreferred) maxPreferred = preferredMatch[ndx];
+        }
+        winner = -1;
+        winnerCount = 0;
+        // Find the talker that matched on most priority and preferred attributes.
+        // Work bottom to top so topmost wins in a tie.
+        for (int ndx = talkersCount-1; ndx >= 0; --ndx)
+        {
+            if (priorityMatch[ndx] == maxPriority)
+            {
+                if (preferredMatch[ndx] == maxPreferred)
+                {
+                    ++winnerCount;
+                    winner = ndx;
+                }
+            }
+        }
+        // kdDebug() << "Preferred phase: winnerCount = " << winnerCount 
+        //     << " winner = " << winner
+        //     << " maxPreferred = " << maxPreferred << endl;
+    }
+    // If no winner found, use the first talker.
+    if (winner < 0) winner = 0;
+    // kdDebug() << "TalkerCode::findClosestMatchingTalker: returning winner = " << winner << endl;
+    return winner;
+}
+
+/*static*/ QString TalkerCode::stripPrefer( const QString& code, bool& preferred)
+{
+    if ( code.left(1) == "*" )
+    {
+        preferred = true;
+        return code.mid(1);
+    } else {
+        preferred = false;
+        return code;
+    }
+}
+
+/**
+* Uses KTrader to convert a translated Synth Plugin Name to DesktopEntryName.
+* @param name                   The translated plugin name.  From Name= line in .desktop file.
+* @return                       DesktopEntryName.  The name of the .desktop file (less .desktop).
+*                               QString::null if not found.
+*/
+/*static*/ QString TalkerCode::TalkerNameToDesktopEntryName(const QString& name)
+{
+    if (name.isEmpty()) return QString::null;
+    KTrader::OfferList offers = KTrader::self()->query("KTTSD/SynthPlugin");
+    for (uint ndx = 0; ndx < offers.count(); ++ndx)
+        if (offers[ndx]->name() == name) return offers[ndx]->desktopEntryName();
+    return QString::null;
+}
+
+/**
+* Uses KTrader to convert a DesktopEntryName into a translated Synth Plugin Name.
+* @param desktopEntryName       The DesktopEntryName.
+* @return                       The translated Name of the plugin, from Name= line in .desktop file.
+*/
+/*static*/ QString TalkerCode::TalkerDesktopEntryNameToName(const QString& desktopEntryName)
+{
+    if (desktopEntryName.isEmpty()) return QString::null;
+    KTrader::OfferList offers = KTrader::self()->query("KTTSD/SynthPlugin",
+    QString("DesktopEntryName == '%1'").arg(desktopEntryName));
+
+    if (offers.count() == 1)
+        return offers[0]->name();
+    else
+        return QString::null;
+}
+