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, 201 insertions, 0 deletions

diff --git a/kttsd/plugins/command/commandproc.h b/kttsd/plugins/command/commandproc.h
new file mode 100644
index 0000000..4b46fe5
--- /dev/null
+++ b/kttsd/plugins/command/commandproc.h
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+/***************************************************** vim:set ts=4 sw=4 sts=4:
+  Main speaking functions for the Command Plug in
+  -------------------
+  Copyright : (C) 2002 by Gunnar Schmi Dt and 2004 by Gary Cramblitt
+  -------------------
+  Original author: Gunnar Schmi Dt <[email protected]>
+  Current Maintainer: Gary Cramblitt <[email protected]>
+ ******************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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; version 2 of the License.               *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _COMMANDPROC_H_
+#define _COMMANDPROC_H_
+
+// Qt includes.
+#include <qstringlist.h> 
+
+// KTTS includes.
+#include <pluginproc.h>
+
+class KProcess;
+class QTextCodec;
+
+class CommandProc : public PlugInProc{
+    Q_OBJECT 
+
+    public:
+        /** Constructor */
+        CommandProc( QObject* parent = 0, const char* name = 0,
+            const QStringList &args = QStringList());
+
+        /** Destructor */
+        ~CommandProc();
+
+        /** Initializate the speech */
+        bool init (KConfig *config, const QString &configGroup);
+
+        /**
+         * Say a text string.
+         * @param text            The text to speak.
+         */
+        virtual void sayText(const QString &text);
+
+        /**
+        * Synthesize text into an audio file, but do not send to the audio device.
+        * @param text                    The text to be synthesized.
+        * @param suggestedFilename       Full pathname of file to create.  The plugin
+        *                                may ignore this parameter and choose its own
+        *                                filename.  KTTSD will query the generated
+        *                                filename using getFilename().
+        *
+        * If the plugin supports asynchronous operation, it should return immediately.
+        */
+        virtual void synthText(const QString& text, const QString& suggestedFilename);
+
+        /**
+        * Get the generated audio filename from synthText.
+        * @return                        Name of the audio file the plugin generated.
+        *                                Null if no such file.
+        *
+        * The plugin must not re-use the filename.
+        */
+        virtual QString getFilename();
+
+        /**
+        * Stop current operation (saying or synthesizing text).
+        * Important: This function may be called from a thread different from the
+        * one that called sayText or synthText.
+        * If the plugin cannot stop an in-progress @ref sayText or
+        * @ref synthText operation, it must not block waiting for it to complete.
+        * Instead, return immediately.
+        *
+        * If a plugin returns before the operation has actually been stopped,
+        * the plugin must emit the @ref stopped signal when the operation has
+        * actually stopped.
+        *
+        * The plugin should change to the psIdle state after stopping the
+        * operation.
+        */
+        virtual void stopText();
+
+        /**
+        * Return the current state of the plugin.
+        * This function only makes sense in asynchronous mode.
+        * @return                        The pluginState of the plugin.
+        *
+        * @see pluginState
+        */
+        virtual pluginState getState();
+
+        /**
+        * Acknowledges a finished state and resets the plugin state to psIdle.
+        *
+        * If the plugin is not in state psFinished, nothing happens.
+        * The plugin may use this call to do any post-processing cleanup,
+        * for example, blanking the stored filename (but do not delete the file).
+        * Calling program should call getFilename prior to ackFinished.
+        */
+        virtual void ackFinished();
+
+        /**
+        * Returns True if the plugin supports asynchronous processing,
+        * i.e., returns immediately from sayText or synthText.
+        * @return                        True if this plugin supports asynchronous processing.
+        *
+        * If the plugin returns True, it must also implement @ref getState .
+        * It must also emit @ref sayFinished or @ref synthFinished signals when
+        * saying or synthesis is completed.
+        */
+        virtual bool supportsAsync();
+
+        /**
+        * Returns True if the plugin supports synthText method,
+        * i.e., is able to synthesize text to a sound file without
+        * audibilizing the text.
+        * @return                        True if this plugin supports synthText method.
+        */
+        virtual bool supportsSynth();
+
+        /**
+        * Say or Synthesize text.
+        * @param inputText               The text that shall be spoken
+        * @param suggestedFilename       If not Null, synthesize only to this filename, otherwise
+        *                                synthesize and audibilize the text.
+        * @param userCmd                 The program that shall be executed for speaking
+        * @param stdIn                   True if the program shall recieve its data via
+        *                                standard input.
+        * @param codec                   Codec for encoding the text.
+        * @param language                The language code (used for the %l macro)
+        */
+        void synth(const QString& inputText, const QString& suggestedFilename,
+            const QString& userCmd, bool stdIn,
+            QTextCodec *codec, QString& language);
+
+    private slots:
+        void slotProcessExited(KProcess* proc);
+        void slotReceivedStdout(KProcess* proc, char* buffer, int buflen);
+        void slotReceivedStderr(KProcess* proc, char* buffer, int buflen);
+        void slotWroteStdin(KProcess* proc);
+
+    private:
+
+        /**
+        * True if the plugin supports separate synthesis (option set by user).
+        */
+        bool m_supportsSynth;
+
+        /**
+        * TTS command
+        */
+        QString m_ttsCommand;
+
+        /**
+        * True if process should use Stdin.
+        */
+        bool m_stdin;
+
+        /**
+        * Language Group.
+        */
+        QString m_language;
+
+        /**
+        * Codec.
+        */
+        QTextCodec* m_codec;
+
+        /**
+         * Flite process
+         */
+        KProcess* m_commandProc;
+
+        /**
+        * Name of temporary file containing text.
+        */
+        QString m_textFilename;
+
+        /**
+        * Synthesis filename.
+        */
+        QString m_synthFilename;
+
+        /**
+        * Plugin state.
+        */
+        pluginState m_state;
+
+        /**
+        * True when stopText has been called.  Used to force transition to psIdle when
+        * Flite exits.
+        */
+        bool m_waitingStop;
+};
+
+#endif  // _COMMANDPROC_H_