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136 lines
6.3 KiB
136 lines
6.3 KiB
/*
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* soundpicker.h - widget to select a sound file or a beep
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* Program: kalarm
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* Copyright © 2002,2004-2006 by David Jarvie <software@astrojar.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef SOUNDPICKER_H
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#define SOUNDPICKER_H
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#include <qframe.h>
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#include <qstring.h>
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#include <kurl.h>
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class QHBox;
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class ComboBox;
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class PushButton;
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class SoundPicker : public QFrame
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{
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Q_OBJECT
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public:
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/** Sound options which can be selected for when the alarm is displayed.
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* @li NONE - silence.
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* @li BEEP - a beep will be sounded.
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* @li PLAY_FILE - a sound file will be played.
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* @li SPEAK - the message text will be spoken.
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*/
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enum Type { NONE = 0, BEEP, PLAY_FILE, SPEAK };
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/** Constructor.
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* @param parent The parent object of this widget.
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* @param name The name of this widget.
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*/
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explicit SoundPicker(QWidget* parent, const char* name = 0);
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/** Initialises the widget's state.
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* @param type The option to select.
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* @param filename The full path or URL of the sound file to select. If the 'file' option is
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* not initially selected, @p filename provides the default should 'file'
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* later be selected by the user.
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* @param volume The volume to play a sound file, or < 0 for no volume setting. If the
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* 'file' option is not initially selected, @p volume provides the default
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* should 'file' later be selected by the user.
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* @param fadeVolume The initial volume to play a sound file if fading is to be used, or < 0
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* for no fading. If the 'file' option is not initially selected, @p fadeVolume
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* provides the default should 'file' later be selected by the user.
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* @param fadeSeconds The number of seconds over which the sound file volume should be faded,
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* or 0 for no fading. If the 'file' option is not initially selected,
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* @p fadeSeconds provides the default should 'file' later be selected by the user.
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* @param repeat True to play the sound file repeatedly. If the 'file' option is not initially
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* selected, @p repeat provides the default should 'file' later be selected by
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* the user.
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*/
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void set(Type type, const QString& filename, float volume, float fadeVolume, int fadeSeconds, bool repeat);
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/** Returns true if the widget is read only for the user. */
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bool isReadOnly() const { return mReadOnly; }
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/** Sets whether the widget can be changed the user.
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* @param readOnly True to set the widget read-only, false to set it read-write.
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*/
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void setReadOnly(bool readOnly);
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/** Show or hide the 'speak' option.
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* If it is to be hidden and it is currently selected, sound is turned off.
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*/
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void showSpeak(bool show);
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/** Returns the selected option. */
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Type sound() const;
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/** If the 'file' option is selected, returns the URL of the chosen file.
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* Otherwise returns a null string.
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*/
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QString file() const;
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/** Returns the volume and fade characteristics for playing a sound file.
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* @param fadeVolume Receives the initial volume if the volume is to be faded, else -1.
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* @param fadeSeconds Receives the number of seconds over which the volume is to be faded, else 0.
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* @return Volume to play the sound file, or < 0 if the 'file' option is not selected.
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*/
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float volume(float& fadeVolume, int& fadeSeconds) const;
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/** Returns true if a sound file is to be played repeatedly.
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* If the 'file' option is not selected, returns false.
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*/
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bool repeat() const;
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/** Returns the current file URL regardless of whether the 'file' option is selected. */
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QString fileSetting() const { return mFile; }
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/** Returns the current file repetition setting regardless of whether the 'file' option is selected. */
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bool repeatSetting() const { return mRepeat; }
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/** Display a dialogue to choose a sound file, initially highlighting
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* @p initialFile if non-null.
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* @param initialDir Initial directory to display if @p initialFile is null. If a file is
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* chosen, this is updated to the directory containing the chosen file.
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* @param initialFile Full path name or URL of file to be highlighted initially.
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* If null, no file will be highlighted.
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* @return URL selected, in human readable format. If none is selected, URL.isEmpty() is true.
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*/
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static QString browseFile(QString& initialDir, const QString& initialFile = QString::null);
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static QString i18n_Sound(); // plain text of Sound label
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static QString i18n_None(); // plain text of None combo box item
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static QString i18n_Beep(); // plain text of Beep combo box item
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static QString i18n_Speak(); // plain text of Speak combo box item
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static QString i18n_File(); // plain text of File combo box item
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private slots:
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void slotTypeSelected(int id);
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void slotPickFile();
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private:
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ComboBox* mTypeCombo;
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QHBox* mTypeBox;
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PushButton* mFilePicker;
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QString mDefaultDir;
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QString mFile; // sound file to play when alarm is triggered
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float mVolume; // volume for file, or < 0 to not set volume
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float mFadeVolume; // initial volume for file, or < 0 for no fading
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int mFadeSeconds; // fade interval in seconds
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Type mLastType; // last selected sound option
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bool mSpeakShowing; // Speak option is shown in combo box
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bool mRepeat; // repeat the sound file
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bool mReadOnly;
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};
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#endif // SOUNDPICKER_H
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