Text to speech settings

PdfForQtViewer/PdfForQtViewer.pro

@@ -4,7 +4,7 @@
 #
 #-------------------------------------------------
 
-QT       += core gui winextras printsupport
+QT       += core gui winextras printsupport texttospeech
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 

PdfForQtViewer/pdfforqtviewer.qrc

@@ -36,5 +36,6 @@
         <file>resources/rotate-left.svg</file>
         <file>resources/rotate-right.svg</file>
         <file>resources/print.svg</file>
+        <file>resources/speech.svg</file>
     </qresource>
 </RCC>

PdfForQtViewer/pdfviewersettings.cpp

@@ -69,6 +69,15 @@ void PDFViewerSettings::readSettings(QSettings& settings, const pdf::PDFCMSSetti
     m_colorManagementSystemSettings.profileDirectory = settings.value("profileDirectory", defaultCMSSettings.profileDirectory).toString();
     settings.endGroup();
 
+    settings.beginGroup("SpeechSettings");
+    m_settings.m_speechEngine = settings.value("speechEngine", defaultSettings.m_speechEngine).toString();
+    m_settings.m_speechLocale = settings.value("speechLocale", defaultSettings.m_speechLocale).toString();
+    m_settings.m_speechVoice = settings.value("speechVoice", defaultSettings.m_speechVoice).toString();
+    m_settings.m_speechRate = settings.value("speechRate", defaultSettings.m_speechRate).toDouble();
+    m_settings.m_speechPitch = settings.value("speechPitch", defaultSettings.m_speechPitch).toDouble();
+    m_settings.m_speechVolume = settings.value("speechVolume", defaultSettings.m_speechVolume).toDouble();
+    settings.endGroup();
+
     emit settingsChanged();
 }
 
@@ -105,6 +114,15 @@ void PDFViewerSettings::writeSettings(QSettings& settings)
     settings.setValue("deviceCMYK", m_colorManagementSystemSettings.deviceCMYK);
     settings.setValue("profileDirectory", m_colorManagementSystemSettings.profileDirectory);
     settings.endGroup();
+
+    settings.beginGroup("SpeechSettings");
+    settings.setValue("speechEngine", m_settings.m_speechEngine);
+    settings.setValue("speechLocale", m_settings.m_speechLocale);
+    settings.setValue("speechVoice", m_settings.m_speechVoice);
+    settings.setValue("speechRate", m_settings.m_speechRate);
+    settings.setValue("speechPitch", m_settings.m_speechPitch);
+    settings.setValue("speechVolume", m_settings.m_speechVolume);
+    settings.endGroup();
 }
 
 QString PDFViewerSettings::getDirectory() const
@@ -205,7 +223,10 @@ PDFViewerSettings::Settings::Settings() :
     m_thumbnailsCacheLimit(PIXMAP_CACHE_LIMIT),
     m_fontCacheLimit(pdf::DEFAULT_FONT_CACHE_LIMIT),
     m_instancedFontCacheLimit(pdf::DEFAULT_REALIZED_FONT_CACHE_LIMIT),
-    m_multithreadingStrategy(pdf::PDFExecutionPolicy::Strategy::PageMultithreaded)
+    m_multithreadingStrategy(pdf::PDFExecutionPolicy::Strategy::PageMultithreaded),
+    m_speechRate(0.0),
+    m_speechPitch(0.0),
+    m_speechVolume(1.0)
 {
 
 }

PdfForQtViewer/pdfviewersettings.h

@@ -63,6 +63,14 @@ public:
         int m_thumbnailsCacheLimit;
         int m_fontCacheLimit;
         int m_instancedFontCacheLimit;
+
+        // Speech settings
+        QString m_speechEngine;
+        QString m_speechLocale;
+        QString m_speechVoice;
+        double m_speechRate;
+        double m_speechPitch;
+        double m_speechVolume;
     };
 
     const Settings& getSettings() const { return m_settings; }

PdfForQtViewer/pdfviewersettingsdialog.cpp

@@ -27,6 +27,7 @@
 #include <QMessageBox>
 #include <QFileDialog>
 #include <QListWidgetItem>
+#include <QTextToSpeech>
 
 namespace pdfviewer
 {
@@ -46,6 +47,8 @@ PDFViewerSettingsDialog::PDFViewerSettingsDialog(const PDFViewerSettings::Settin
 {
     ui->setupUi(this);
 
+    m_textToSpeechEngines = QTextToSpeech::availableEngines();
+
     new QListWidgetItem(QIcon(":/resources/engine.svg"), tr("Engine"), ui->optionsPagesWidget, EngineSettings);
     new QListWidgetItem(QIcon(":/resources/rendering.svg"), tr("Rendering"), ui->optionsPagesWidget, RenderingSettings);
     new QListWidgetItem(QIcon(":/resources/shading.svg"), tr("Shading"), ui->optionsPagesWidget, ShadingSettings);
@@ -54,6 +57,7 @@ PDFViewerSettingsDialog::PDFViewerSettingsDialog(const PDFViewerSettings::Settin
     new QListWidgetItem(QIcon(":/resources/cms.svg"), tr("Colors"), ui->optionsPagesWidget, ColorManagementSystemSettings);
     new QListWidgetItem(QIcon(":/resources/security.svg"), tr("Security"), ui->optionsPagesWidget, SecuritySettings);
     new QListWidgetItem(QIcon(":/resources/ui.svg"), tr("UI"), ui->optionsPagesWidget, UISettings);
+    new QListWidgetItem(QIcon(":/resources/speech.svg"), tr("Speech"), ui->optionsPagesWidget, SpeechSettings);
 
     ui->renderingEngineComboBox->addItem(tr("Software"), static_cast<int>(pdf::RendererEngine::Software));
     ui->renderingEngineComboBox->addItem(tr("Hardware accelerated (OpenGL)"), static_cast<int>(pdf::RendererEngine::OpenGL));
@@ -130,6 +134,12 @@ PDFViewerSettingsDialog::PDFViewerSettingsDialog(const PDFViewerSettings::Settin
         }
     }
 
+    // Text to speech
+    for (const QString& engine : m_textToSpeechEngines)
+    {
+        ui->speechEnginesComboBox->addItem(engine, engine);
+    }
+
     ui->optionsPagesWidget->setCurrentRow(0);
     adjustSize();
     loadData();
@@ -179,6 +189,10 @@ void PDFViewerSettingsDialog::on_optionsPagesWidget_currentItemChanged(QListWidg
             ui->stackedWidget->setCurrentWidget(ui->uiPage);
             break;
 
+        case SpeechSettings:
+            ui->stackedWidget->setCurrentWidget(ui->speechPage);
+            break;
+
         default:
             Q_ASSERT(false);
             break;
@@ -289,6 +303,16 @@ void PDFViewerSettingsDialog::loadData()
         ui->cmsProfileDirectoryEdit->setEnabled(false);
         ui->cmsProfileDirectoryEdit->setText(QString());
     }
+
+    // Text-to-speech
+    ui->speechEnginesComboBox->setCurrentIndex(ui->speechEnginesComboBox->findData(m_settings.m_speechEngine));
+    QString speechEngine = ui->speechEnginesComboBox->currentData().toString();
+    setSpeechEngine(speechEngine);
+    ui->speechLocaleComboBox->setCurrentIndex(ui->speechLocaleComboBox->findData(m_settings.m_speechLocale));
+    ui->speechVoiceComboBox->setCurrentIndex(ui->speechVoiceComboBox->findData(m_settings.m_speechVoice));
+    ui->speechRateEdit->setValue(m_settings.m_speechRate);
+    ui->speechPitchEdit->setValue(m_settings.m_speechPitch);
+    ui->speechVolumeEdit->setValue(m_settings.m_speechVolume);
 }
 
 void PDFViewerSettingsDialog::saveData()
@@ -424,8 +448,36 @@ void PDFViewerSettingsDialog::saveData()
     {
         m_otherSettings.maximumRecentFileCount = ui->maximumRecentFileCountEdit->value();
     }
+    else if (sender == ui->speechEnginesComboBox)
+    {
+        m_settings.m_speechEngine = ui->speechEnginesComboBox->currentData().toString();
+    }
+    else if (sender == ui->speechLocaleComboBox)
+    {
+        m_settings.m_speechLocale = ui->speechLocaleComboBox->currentData().toString();
+    }
+    else if (sender == ui->speechVoiceComboBox)
+    {
+        m_settings.m_speechVoice = ui->speechVoiceComboBox->currentData().toString();
+    }
+    else if (sender == ui->speechRateEdit)
+    {
+        m_settings.m_speechRate = ui->speechRateEdit->value();
+    }
+    else if (sender == ui->speechPitchEdit)
+    {
+        m_settings.m_speechPitch = ui->speechPitchEdit->value();
+    }
+    else if (sender == ui->speechVolumeEdit)
+    {
+        m_settings.m_speechVolume = ui->speechVolumeEdit->value();
+    }
 
-    loadData();
+    const bool loadData = !qobject_cast<const QDoubleSpinBox*>(sender) && !qobject_cast<const QSpinBox*>(sender);
+    if (loadData)
+    {
+        this->loadData();
+    }
 }
 
 void PDFViewerSettingsDialog::loadActionShortcutsTable()
@@ -480,6 +532,35 @@ bool PDFViewerSettingsDialog::saveActionShortcutsTable()
     return true;
 }
 
+void PDFViewerSettingsDialog::setSpeechEngine(const QString& engine)
+{
+    if (m_currentSpeechEngine == engine)
+    {
+        return;
+    }
+
+    m_currentSpeechEngine = engine;
+    QTextToSpeech textToSpeech(engine, nullptr);
+
+    QVector<QLocale> locales = textToSpeech.availableLocales();
+    ui->speechLocaleComboBox->setUpdatesEnabled(false);
+    ui->speechLocaleComboBox->clear();
+    for (const QLocale& locale : locales)
+    {
+        ui->speechLocaleComboBox->addItem(QString("%1 (%2)").arg(locale.nativeLanguageName(), locale.nativeCountryName()), locale.name());
+    }
+    ui->speechLocaleComboBox->setUpdatesEnabled(true);
+
+    QVector<QVoice> voices = textToSpeech.availableVoices();
+    ui->speechVoiceComboBox->setUpdatesEnabled(false);
+    ui->speechVoiceComboBox->clear();
+    for (const QVoice& voice : voices)
+    {
+        ui->speechVoiceComboBox->addItem(QString("%1 (%2, %3)").arg(voice.name(), QVoice::genderName(voice.gender()), QVoice::ageName(voice.age())), voice.name());
+    }
+    ui->speechVoiceComboBox->setUpdatesEnabled(true);
+}
+
 void PDFViewerSettingsDialog::accept()
 {
     if (saveActionShortcutsTable())

PdfForQtViewer/pdfviewersettingsdialog.h

@@ -69,7 +69,8 @@ public:
         ShortcutSettings,
         ColorManagementSystemSettings,
         SecuritySettings,
-        UISettings
+        UISettings,
+        SpeechSettings
     };
 
     const PDFViewerSettings::Settings& getSettings() const { return m_settings; }
@@ -78,7 +79,6 @@ public:
 
 private slots:
     void on_optionsPagesWidget_currentItemChanged(QListWidgetItem* current, QListWidgetItem* previous);
-
     void on_cmsProfileDirectoryButton_clicked();
 
 private:
@@ -88,12 +88,16 @@ private:
     void loadActionShortcutsTable();
     bool saveActionShortcutsTable();
 
+    void setSpeechEngine(const QString& engine);
+
     Ui::PDFViewerSettingsDialog* ui;
     PDFViewerSettings::Settings m_settings;
     pdf::PDFCMSSettings m_cmsSettings;
     OtherSettings m_otherSettings;
     QList<QAction*> m_actions;
     bool m_isLoadingData;
+    QStringList m_textToSpeechEngines;
+    QString m_currentSpeechEngine;
 };
 
 }   // namespace pdfviewer

PdfForQtViewer/pdfviewersettingsdialog.ui

@@ -26,7 +26,7 @@
      <item>
       <widget class="QStackedWidget" name="stackedWidget">
        <property name="currentIndex">
-        <number>7</number>
+        <number>8</number>
        </property>
        <widget class="QWidget" name="enginePage">
         <layout class="QVBoxLayout" name="enginePageLayout">
@@ -887,6 +887,136 @@
          </item>
         </layout>
        </widget>
+       <widget class="QWidget" name="speechPage">
+        <layout class="QVBoxLayout" name="speechPageLayout">
+         <property name="leftMargin">
+          <number>0</number>
+         </property>
+         <property name="topMargin">
+          <number>0</number>
+         </property>
+         <property name="rightMargin">
+          <number>0</number>
+         </property>
+         <property name="bottomMargin">
+          <number>0</number>
+         </property>
+         <item>
+          <widget class="QGroupBox" name="speechGroupBox">
+           <property name="title">
+            <string>Speech Settings</string>
+           </property>
+           <layout class="QVBoxLayout" name="speechGroupBoxLayout">
+            <item>
+             <layout class="QGridLayout" name="speechWidgetsLayout">
+              <item row="2" column="0">
+               <widget class="QLabel" name="speechVoiceLabel">
+                <property name="text">
+                 <string>Voice</string>
+                </property>
+               </widget>
+              </item>
+              <item row="4" column="0">
+               <widget class="QLabel" name="speechPitchLabel">
+                <property name="text">
+                 <string>Pitch</string>
+                </property>
+               </widget>
+              </item>
+              <item row="5" column="0">
+               <widget class="QLabel" name="speechVolumeLabe">
+                <property name="text">
+                 <string>Volume</string>
+                </property>
+               </widget>
+              </item>
+              <item row="3" column="0">
+               <widget class="QLabel" name="speechRateLabel">
+                <property name="text">
+                 <string>Rate</string>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="0">
+               <widget class="QLabel" name="speechSynthethiserLabel">
+                <property name="text">
+                 <string>Voice synthetiser</string>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="0">
+               <widget class="QLabel" name="speechLocaleLabel">
+                <property name="text">
+                 <string>Locale</string>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="1">
+               <widget class="QComboBox" name="speechEnginesComboBox"/>
+              </item>
+              <item row="1" column="1">
+               <widget class="QComboBox" name="speechLocaleComboBox"/>
+              </item>
+              <item row="2" column="1">
+               <widget class="QComboBox" name="speechVoiceComboBox"/>
+              </item>
+              <item row="3" column="1">
+               <widget class="QDoubleSpinBox" name="speechRateEdit">
+                <property name="minimum">
+                 <double>-1.000000000000000</double>
+                </property>
+                <property name="maximum">
+                 <double>1.000000000000000</double>
+                </property>
+               </widget>
+              </item>
+              <item row="5" column="1">
+               <widget class="QDoubleSpinBox" name="speechVolumeEdit">
+                <property name="maximum">
+                 <double>1.000000000000000</double>
+                </property>
+               </widget>
+              </item>
+              <item row="4" column="1">
+               <widget class="QDoubleSpinBox" name="speechPitchEdit">
+                <property name="minimum">
+                 <double>-1.000000000000000</double>
+                </property>
+                <property name="maximum">
+                 <double>1.000000000000000</double>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </item>
+            <item>
+             <widget class="QLabel" name="speechInfoLabel">
+              <property name="text">
+               <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Set speech settings to enable document reading. These settings are default settings for text to speech functionality, but some can be  changed later. Pitch can have values from -1.0 to 1.0 and 0.0 is default. Rate can also have values ranging from -1.0 to 1.0, while 0.0 is normal speech flow. Volume can have values from 0.0 to 1.0.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+              </property>
+              <property name="wordWrap">
+               <bool>true</bool>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <spacer name="verticalSpacer_2">
+              <property name="orientation">
+               <enum>Qt::Vertical</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>20</width>
+                <height>288</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
+          </widget>
+         </item>
+        </layout>
+       </widget>
       </widget>
      </item>
     </layout>

PdfForQtViewer/resources/speech.svg

@@ -0,0 +1,178 @@
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+            <dc:title>Jakub Melka</dc:title>
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