added for plugins own dir

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1850 b45a01b8-16f6-495d-af2f-9b41ad6348cc

plugins/smplayer_plugin/prefgeneral.cpp

@@ -0,0 +1,891 @@
+/*  smplayer, GUI front-end for mplayer.
+    Copyright (C) 2006-2008 Ricardo Villalba <rvm@escomposlinux.org>
+
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+
+#include "prefgeneral.h"
+#include "preferences.h"
+#include "filedialog.h"
+#include "images.h"
+#include "mediasettings.h"
+#include "paths.h"
+
+#if USE_ALSA_DEVICES || USE_DSOUND_DEVICES
+#include "deviceinfo.h"
+#endif
+
+PrefGeneral::PrefGeneral(QWidget * parent, Qt::WindowFlags f)
+	: PrefWidget(parent, f )
+{
+	setupUi(this);
+
+	mplayerbin_edit->setDialogType(FileChooser::GetFileName);
+	screenshot_edit->setDialogType(FileChooser::GetDirectory);
+
+	// Read driver info from InfoReader:
+	InfoReader * i = InfoReader::obj();
+	vo_list = i->voList();
+	ao_list = i->aoList();
+
+#if USE_DSOUND_DEVICES
+	dsound_devices = DeviceInfo::dsoundDevices();
+#endif
+
+#if USE_ALSA_DEVICES
+	alsa_devices = DeviceInfo::alsaDevices();
+#endif
+#if USE_XV_ADAPTORS
+	xv_adaptors = DeviceInfo::xvAdaptors();
+#endif
+
+	// Channels combo
+	channels_combo->addItem( "2", MediaSettings::ChStereo );
+	channels_combo->addItem( "4", MediaSettings::ChSurround );
+	channels_combo->addItem( "6", MediaSettings::ChFull51 );
+
+	connect(vo_combo, SIGNAL(currentIndexChanged(int)),
+            this, SLOT(vo_combo_changed(int)));
+	connect(ao_combo, SIGNAL(currentIndexChanged(int)),
+            this, SLOT(ao_combo_changed(int)));
+
+	retranslateStrings();
+}
+
+PrefGeneral::~PrefGeneral()
+{
+}
+
+QString PrefGeneral::sectionName() {
+	return tr("General");
+}
+
+QPixmap PrefGeneral::sectionIcon() {
+	return Images::icon("pref_general");
+}
+
+void PrefGeneral::retranslateStrings() {
+	retranslateUi(this);
+
+    initial_volume_label->setNum( initial_volume_slider->value() );
+
+	channels_combo->setItemText(0, tr("2 (Stereo)") );
+	channels_combo->setItemText(1, tr("4 (4.0 Surround)") );
+	channels_combo->setItemText(2, tr("6 (5.1 Surround)") );
+
+	int deinterlace_item = deinterlace_combo->currentIndex();
+	deinterlace_combo->clear();
+	deinterlace_combo->addItem( tr("None"), MediaSettings::NoDeinterlace );
+	deinterlace_combo->addItem( tr("Lowpass5"), MediaSettings::L5 );
+	deinterlace_combo->addItem( tr("Yadif (normal)"), MediaSettings::Yadif );
+	deinterlace_combo->addItem( tr("Yadif (double framerate)"), MediaSettings::Yadif_1 );
+	deinterlace_combo->addItem( tr("Linear Blend"), MediaSettings::LB );
+	deinterlace_combo->addItem( tr("Kerndeint"), MediaSettings::Kerndeint );
+	deinterlace_combo->setCurrentIndex(deinterlace_item);
+
+	int filesettings_method_item = filesettings_method_combo->currentIndex();
+	filesettings_method_combo->clear();
+	filesettings_method_combo->addItem( tr("one ini file"), "normal");
+	filesettings_method_combo->addItem( tr("multiple ini files"), "hash");
+	filesettings_method_combo->setCurrentIndex(filesettings_method_item);
+
+	updateDriverCombos();
+
+    // Icons
+	/*
+    resize_window_icon->setPixmap( Images::icon("resize_window") );
+    volume_icon->setPixmap( Images::icon("speaker") );
+	*/
+
+	mplayerbin_edit->setCaption(tr("Select the mplayer executable"));
+#ifdef Q_OS_WIN
+	mplayerbin_edit->setFilter(tr("Executables") +" (*.exe)");
+#else
+	mplayerbin_edit->setFilter(tr("All files") +" (*)");
+#endif
+	screenshot_edit->setCaption(tr("Select a directory"));
+
+	preferred_desc->setText(
+		tr("Here you can type your preferred language for the audio "
+           "and subtitle streams. When a media with multiple audio or "
+           "subtitle streams is found, SMPlayer will try to use your "
+           "preferred language. This only will work with media that offer "
+           "info about the language of audio and subtitle streams, like DVDs "
+           "or mkv files.<br>These fields accept regular expressions. "
+           "Example: <b>es|esp|spa</b> will select the track if it matches with "
+            "<i>es</i>, <i>esp</i> or <i>spa</i>."));
+
+	createHelp();
+}
+
+void PrefGeneral::setData(Preferences * pref) {
+	setMplayerPath( pref->mplayer_bin );
+	setScreenshotDir( pref->screenshot_directory );
+
+	QString vo = pref->vo;
+	if (vo.isEmpty()) {
+#ifdef Q_OS_WIN
+		vo = "directx,";
+#else
+		vo = "xv,";
+#endif
+	}
+	setVO( vo );
+
+	QString ao = pref->ao;
+#ifndef Q_OS_WIN
+	if (ao.isEmpty()) ao = "alsa,";
+#endif
+	setAO( ao );
+
+	setRememberSettings( !pref->dont_remember_media_settings );
+	setRememberTimePos( !pref->dont_remember_time_pos );
+	setFileSettingsMethod( pref->file_settings_method );
+	setAudioLang( pref->audio_lang );
+	setSubtitleLang( pref->subtitle_lang );
+	setAudioTrack( pref->initial_audio_track );
+	setSubtitleTrack( pref->initial_subtitle_track );
+	setCloseOnFinish( pref->close_on_finish );
+	setPauseWhenHidden( pref->pause_when_hidden );
+
+	setEq2( pref->use_soft_video_eq );
+	setUseAudioEqualizer( pref->use_audio_equalizer );
+	setSoftVol( pref->use_soft_vol );
+	setAc3DTSPassthrough( pref->use_hwac3 );
+	setInitialVolNorm( pref->initial_volnorm );
+	setAmplification( pref->softvol_max );
+	setInitialPostprocessing( pref->initial_postprocessing );
+	setInitialDeinterlace( pref->initial_deinterlace );
+	setInitialZoom( pref->initial_panscan_factor );
+	setDirectRendering( pref->use_direct_rendering );
+	setDoubleBuffer( pref->use_double_buffer );
+	setUseSlices( pref->use_slices );
+	setStartInFullscreen( pref->start_in_fullscreen );
+	setDisableScreensaver( pref->disable_screensaver );
+	setBlackbordersOnFullscreen( pref->add_blackborders_on_fullscreen );
+	setAutoq( pref->autoq );
+
+	setInitialVolume( pref->initial_volume );
+	setDontChangeVolume( pref->dont_change_volume );
+	setUseVolume( pref->use_volume_option );
+	setAudioChannels( pref->initial_audio_channels );
+	setScaleTempoFilter( pref->use_scaletempo );
+}
+
+void PrefGeneral::getData(Preferences * pref) {
+	requires_restart = false;
+	filesettings_method_changed = false;
+
+	if (pref->mplayer_bin != mplayerPath()) {
+		requires_restart = true;
+		pref->mplayer_bin = mplayerPath();
+
+		qDebug("PrefGeneral::getData: mplayer binary has changed, getting version number");
+		// Forces to get info from mplayer to update version number
+		InfoReader i( pref->mplayer_bin );
+		i.getInfo(); 
+		// Update the drivers list at the same time
+		//setDrivers( i.voList(), i.aoList() );
+	}
+
+	TEST_AND_SET(pref->screenshot_directory, screenshotDir());
+	TEST_AND_SET(pref->vo, VO());
+    TEST_AND_SET(pref->ao, AO());
+
+	bool dont_remember_ms = !rememberSettings();
+    TEST_AND_SET(pref->dont_remember_media_settings, dont_remember_ms);
+	bool dont_remember_time = !rememberTimePos();
+    TEST_AND_SET(pref->dont_remember_time_pos, dont_remember_time);
+	if (pref->file_settings_method != fileSettingsMethod()) {
+		pref->file_settings_method = fileSettingsMethod();
+		filesettings_method_changed = true;
+	}
+
+	pref->audio_lang = audioLang();
+    pref->subtitle_lang = subtitleLang();
+
+	pref->initial_audio_track = audioTrack();
+	pref->initial_subtitle_track = subtitleTrack();
+
+	pref->close_on_finish = closeOnFinish();
+	pref->pause_when_hidden = pauseWhenHidden();
+
+	TEST_AND_SET(pref->use_soft_video_eq, eq2());
+	TEST_AND_SET(pref->use_soft_vol, softVol());
+	TEST_AND_SET(pref->use_audio_equalizer, useAudioEqualizer());
+	TEST_AND_SET(pref->use_hwac3, Ac3DTSPassthrough());
+	pref->initial_volnorm = initialVolNorm();
+	TEST_AND_SET(pref->softvol_max, amplification());
+	pref->initial_postprocessing = initialPostprocessing();
+	pref->initial_deinterlace = initialDeinterlace();
+	pref->initial_panscan_factor = initialZoom();
+	TEST_AND_SET(pref->use_direct_rendering, directRendering());
+	TEST_AND_SET(pref->use_double_buffer, doubleBuffer());
+	TEST_AND_SET(pref->use_slices, useSlices());
+	pref->start_in_fullscreen = startInFullscreen();
+	TEST_AND_SET(pref->disable_screensaver, disableScreensaver());
+	if (pref->add_blackborders_on_fullscreen != blackbordersOnFullscreen()) {
+		pref->add_blackborders_on_fullscreen = blackbordersOnFullscreen();
+		if (pref->fullscreen) requires_restart = true;
+	}
+	TEST_AND_SET(pref->autoq, autoq());
+
+	pref->initial_volume = initialVolume();
+	pref->dont_change_volume = dontChangeVolume();
+	pref->use_volume_option = useVolume();
+	pref->initial_audio_channels = audioChannels();
+	TEST_AND_SET(pref->use_scaletempo, scaleTempoFilter());
+}
+
+void PrefGeneral::updateDriverCombos() {
+	int vo_current = vo_combo->currentIndex();
+	int ao_current = ao_combo->currentIndex();
+
+	vo_combo->clear();
+	ao_combo->clear();
+
+	QString vo;
+	for ( int n = 0; n < vo_list.count(); n++ ) {
+		vo = vo_list[n].name();
+#ifdef Q_OS_WIN
+		if ( vo == "directx" ) {
+			vo_combo->addItem( "directx (" + tr("fast") + ")", "directx" );
+			vo_combo->addItem( "directx (" + tr("slow") + ")", "directx:noaccel" );
+		}
+		else
+#else
+		/*
+		if (vo == "xv") vo_combo->addItem( "xv (" + tr("fastest") + ")", vo);
+		else
+		*/
+#if USE_XV_ADAPTORS
+		if ((vo == "xv") && (!xv_adaptors.isEmpty())) {
+			vo_combo->addItem(vo, vo);
+			for (int n=0; n < xv_adaptors.count(); n++) {
+				vo_combo->addItem( "xv (" + xv_adaptors[n].ID().toString() + " - " + xv_adaptors[n].desc() + ")", 
+                                   "xv:adaptor=" + xv_adaptors[n].ID().toString() );
+			}
+		}
+		else
+#endif // USE_XV_ADAPTORS
+#endif
+		if (vo == "x11") vo_combo->addItem( "x11 (" + tr("slow") + ")", vo);
+		else
+		if (vo == "gl") {
+			vo_combo->addItem( vo, vo);
+			vo_combo->addItem( "gl (" + tr("fast") + ")", "gl:yuv=2:force-pbo");
+			vo_combo->addItem( "gl (" + tr("fast - ATI cards") + ")", "gl:yuv=2:force-pbo:ati-hack");
+			vo_combo->addItem( "gl (yuv)", "gl:yuv=3");
+		}
+		else
+		if (vo == "gl2") {
+			vo_combo->addItem( vo, vo);
+			vo_combo->addItem( "gl2 (yuv)", "gl2:yuv=3");
+		}
+		else
+		if (vo == "null" || vo == "png" || vo == "jpeg" || vo == "gif89a" || 
+            vo == "tga" || vo == "pnm" || vo == "md5sum" ) 
+		{
+			; // Nothing to do
+		}
+		else
+		vo_combo->addItem( vo, vo );
+	}
+	vo_combo->addItem( tr("User defined..."), "user_defined" );
+
+	QString ao;
+	for ( int n = 0; n < ao_list.count(); n++) {
+		ao = ao_list[n].name();
+		ao_combo->addItem( ao, ao );
+#if USE_ALSA_DEVICES
+		if ((ao == "alsa") && (!alsa_devices.isEmpty())) {
+			for (int n=0; n < alsa_devices.count(); n++) {
+				ao_combo->addItem( "alsa (" + alsa_devices[n].ID().toString() + " - " + alsa_devices[n].desc() + ")", 
+                                   "alsa:device=hw=" + alsa_devices[n].ID().toString() );
+			}
+		}
+#endif
+#if USE_DSOUND_DEVICES
+		if ((ao == "dsound") && (!dsound_devices.isEmpty())) {
+			for (int n=0; n < dsound_devices.count(); n++) {
+				ao_combo->addItem( "dsound (" + dsound_devices[n].ID().toString() + " - " + dsound_devices[n].desc() + ")", 
+                                   "dsound:device=" + dsound_devices[n].ID().toString() );
+			}
+		}
+#endif
+	}
+	ao_combo->addItem( tr("User defined..."), "user_defined" );
+
+	vo_combo->setCurrentIndex( vo_current );
+	ao_combo->setCurrentIndex( ao_current );
+}
+
+void PrefGeneral::setMplayerPath( QString path ) {
+	mplayerbin_edit->setText( path );	
+}
+
+QString PrefGeneral::mplayerPath() {
+	return mplayerbin_edit->text();
+}
+
+void PrefGeneral::setScreenshotDir( QString path ) {
+	screenshot_edit->setText( path );
+}
+
+QString PrefGeneral::screenshotDir() {
+	return screenshot_edit->text();
+}
+
+void PrefGeneral::setVO( QString vo_driver ) {
+	int idx = vo_combo->findData( vo_driver );
+	if (idx != -1) {
+		vo_combo->setCurrentIndex(idx);
+	} else {
+		vo_combo->setCurrentIndex(vo_combo->findData("user_defined"));
+		vo_user_defined_edit->setText(vo_driver);
+	}
+	vo_combo_changed(vo_combo->currentIndex());
+}
+
+void PrefGeneral::setAO( QString ao_driver ) {
+	int idx = ao_combo->findData( ao_driver );
+	if (idx != -1) {
+		ao_combo->setCurrentIndex(idx);
+	} else {
+		ao_combo->setCurrentIndex(ao_combo->findData("user_defined"));
+		ao_user_defined_edit->setText(ao_driver);
+	}
+	ao_combo_changed(ao_combo->currentIndex());
+}
+
+QString PrefGeneral::VO() {
+	QString vo = vo_combo->itemData(vo_combo->currentIndex()).toString();
+	if (vo == "user_defined") {
+		vo = vo_user_defined_edit->text();
+		if (vo.isEmpty()) {
+			vo = vo_combo->itemData(0).toString();
+			qDebug("PrefGeneral::VO: user defined vo is empty, using %s", vo.toUtf8().constData());
+		}
+	}
+	return vo;
+}
+
+QString PrefGeneral::AO() {
+	QString ao = ao_combo->itemData(ao_combo->currentIndex()).toString();
+	if (ao == "user_defined") {
+		ao = ao_user_defined_edit->text();
+		if (ao.isEmpty()) {
+			ao = ao_combo->itemData(0).toString();
+			qDebug("PrefGeneral::AO: user defined ao is empty, using %s", ao.toUtf8().constData());
+		}
+	}
+	return ao;
+}
+
+void PrefGeneral::setRememberSettings(bool b) {
+	remember_all_check->setChecked(b);
+	//rememberAllButtonToggled(b);
+}
+
+bool PrefGeneral::rememberSettings() {
+	return remember_all_check->isChecked();
+}
+
+void PrefGeneral::setRememberTimePos(bool b) {
+	remember_time_check->setChecked(b);
+}
+
+bool PrefGeneral::rememberTimePos() {
+	return remember_time_check->isChecked();
+}
+
+void PrefGeneral::setFileSettingsMethod(QString method) {
+	int index = filesettings_method_combo->findData(method);
+	if (index < 0) index = 0;
+	filesettings_method_combo->setCurrentIndex(index);
+}
+
+QString PrefGeneral::fileSettingsMethod() {
+	return filesettings_method_combo->itemData(filesettings_method_combo->currentIndex()).toString();
+}
+
+void PrefGeneral::setAudioLang(QString lang) {
+	audio_lang_edit->setText(lang);
+}
+
+QString PrefGeneral::audioLang() {
+	return audio_lang_edit->text();
+}
+
+void PrefGeneral::setSubtitleLang(QString lang) {
+	subtitle_lang_edit->setText(lang);
+}
+
+QString PrefGeneral::subtitleLang() {
+	return subtitle_lang_edit->text();
+}
+
+void PrefGeneral::setAudioTrack(int track) {
+	audio_track_spin->setValue(track);
+}
+
+int PrefGeneral::audioTrack() {
+	return audio_track_spin->value();
+}
+
+void PrefGeneral::setSubtitleTrack(int track) {
+	subtitle_track_spin->setValue(track);
+}
+
+int PrefGeneral::subtitleTrack() {
+	return subtitle_track_spin->value();
+}
+
+void PrefGeneral::setCloseOnFinish(bool b) {
+	close_on_finish_check->setChecked(b);
+}
+
+bool PrefGeneral::closeOnFinish() {
+	return close_on_finish_check->isChecked();
+}
+
+void PrefGeneral::setPauseWhenHidden(bool b) {
+	pause_if_hidden_check->setChecked(b);
+}
+
+bool PrefGeneral::pauseWhenHidden() {
+	return pause_if_hidden_check->isChecked();
+}
+
+
+void PrefGeneral::setEq2(bool b) {
+	eq2_check->setChecked(b);
+}
+
+bool PrefGeneral::eq2() {
+	return eq2_check->isChecked();
+}
+
+void PrefGeneral::setSoftVol(bool b) {
+	softvol_check->setChecked(b);
+}
+
+bool PrefGeneral::softVol() {
+	return softvol_check->isChecked();
+}
+
+void PrefGeneral::setUseAudioEqualizer(bool b) {
+	audio_equalizer_check->setChecked(b);
+}
+
+bool PrefGeneral::useAudioEqualizer() {
+	return audio_equalizer_check->isChecked();
+}
+
+void PrefGeneral::setAc3DTSPassthrough(bool b) {
+	hwac3_check->setChecked(b);
+}
+
+bool PrefGeneral::Ac3DTSPassthrough() {
+	return hwac3_check->isChecked();
+}
+
+void PrefGeneral::setInitialVolNorm(bool b) {
+	volnorm_check->setChecked(b);
+}
+
+bool PrefGeneral::initialVolNorm() {
+	return volnorm_check->isChecked();
+}
+
+void PrefGeneral::setInitialPostprocessing(bool b) {
+	postprocessing_check->setChecked(b);
+}
+
+bool PrefGeneral::initialPostprocessing() {
+	return postprocessing_check->isChecked();
+}
+
+void PrefGeneral::setInitialDeinterlace(int ID) {
+	int pos = deinterlace_combo->findData(ID);
+	if (pos != -1) {
+		deinterlace_combo->setCurrentIndex(pos);
+	} else {
+		qWarning("PrefGeneral::setInitialDeinterlace: ID: %d not found in combo", ID);
+	}
+}
+
+int PrefGeneral::initialDeinterlace() {
+	if (deinterlace_combo->currentIndex() != -1) {
+		return deinterlace_combo->itemData( deinterlace_combo->currentIndex() ).toInt();
+	} else {
+		qWarning("PrefGeneral::initialDeinterlace: no item selected");
+		return 0;
+	}
+}
+
+void PrefGeneral::setInitialZoom(double v) {
+	zoom_spin->setValue(v);
+}
+
+double PrefGeneral::initialZoom() {
+	return zoom_spin->value();
+}
+
+void PrefGeneral::setDirectRendering(bool b) {
+	direct_rendering_check->setChecked(b);
+}
+
+bool PrefGeneral::directRendering() {
+	return direct_rendering_check->isChecked();
+}
+
+void PrefGeneral::setDoubleBuffer(bool b) {
+	double_buffer_check->setChecked(b);
+}
+
+bool PrefGeneral::doubleBuffer() {
+	return double_buffer_check->isChecked();
+}
+
+void PrefGeneral::setUseSlices(bool b) {
+	use_slices_check->setChecked(b);
+}
+
+bool PrefGeneral::useSlices() {
+	return use_slices_check->isChecked();
+}
+
+void PrefGeneral::setAmplification(int n) {
+	softvol_max_spin->setValue(n);
+}
+
+int PrefGeneral::amplification() {
+	return softvol_max_spin->value();
+}
+
+void PrefGeneral::setInitialVolume(int v) {
+	initial_volume_slider->setValue(v);
+}
+
+int PrefGeneral::initialVolume() {
+	return initial_volume_slider->value();
+}
+
+void PrefGeneral::setAudioChannels(int ID) {
+	int pos = channels_combo->findData(ID);
+	if (pos != -1) {
+		channels_combo->setCurrentIndex(pos);
+	} else {
+		qWarning("PrefGeneral::setAudioChannels: ID: %d not found in combo", ID);
+	}
+}
+
+int PrefGeneral::audioChannels() {
+	if (channels_combo->currentIndex() != -1) {
+		return channels_combo->itemData( channels_combo->currentIndex() ).toInt();
+	} else {
+		qWarning("PrefGeneral::audioChannels: no item selected");
+		return 0;
+	}
+}
+
+void PrefGeneral::setDontChangeVolume(bool b) {
+	change_volume_check->setChecked(!b);
+}
+
+bool PrefGeneral::dontChangeVolume() {
+	return !change_volume_check->isChecked();
+}
+
+void PrefGeneral::setUseVolume(Preferences::OptionState value) {
+	use_volume_combo->setState(value);
+}
+
+Preferences::OptionState PrefGeneral::useVolume() {
+	return use_volume_combo->state();
+}
+
+void PrefGeneral::setStartInFullscreen(bool b) {
+	start_fullscreen_check->setChecked(b);
+}
+
+bool PrefGeneral::startInFullscreen() {
+	return start_fullscreen_check->isChecked();
+}
+
+void PrefGeneral::setDisableScreensaver(bool b) {
+	screensaver_check->setChecked(b);
+}
+
+bool PrefGeneral::disableScreensaver() {
+	return screensaver_check->isChecked();
+}
+
+void PrefGeneral::setBlackbordersOnFullscreen(bool b) {
+	blackborders_on_fs_check->setChecked(b);
+}
+
+bool PrefGeneral::blackbordersOnFullscreen() {
+	return blackborders_on_fs_check->isChecked();
+}
+
+void PrefGeneral::setAutoq(int n) {
+	autoq_spin->setValue(n);
+}
+
+int PrefGeneral::autoq() {
+	return autoq_spin->value();
+}
+
+void PrefGeneral::setScaleTempoFilter(Preferences::OptionState value) {
+	scaletempo_combo->setState(value);
+}
+
+Preferences::OptionState PrefGeneral::scaleTempoFilter() {
+	return scaletempo_combo->state();
+}
+
+void PrefGeneral::vo_combo_changed(int idx) {
+	qDebug("PrefGeneral::vo_combo_changed: %d", idx);
+	bool visible = (vo_combo->itemData(idx).toString() == "user_defined");
+	vo_user_defined_edit->setShown(visible);
+	vo_user_defined_edit->setFocus();
+}
+
+void PrefGeneral::ao_combo_changed(int idx) {
+	qDebug("PrefGeneral::ao_combo_changed: %d", idx);
+	bool visible = (ao_combo->itemData(idx).toString() == "user_defined");
+	ao_user_defined_edit->setShown(visible);
+	ao_user_defined_edit->setFocus();
+}
+
+void PrefGeneral::createHelp() {
+	clearHelp();
+
+	addSectionTitle(tr("General"));
+
+	setWhatsThis(mplayerbin_edit, tr("MPlayer executable"), 
+		tr("Here you must specify the mplayer "
+           "executable that SMPlayer will use.<br>"
+           "SMPlayer requires at least MPlayer 1.0rc1 (although a recent "
+           "revision from SVN is highly recommended).") + "<br><b>" +
+        tr("If this setting is wrong, SMPlayer won't be able to play "
+           "anything!") + "</b>");
+
+	setWhatsThis(screenshot_edit, tr("Screenshots folder"),
+		tr("Here you can specify a folder where the screenshots taken by "
+           "SMPlayer will be stored. If this field is empty the "
+           "screenshot feature will be disabled.") );
+
+
+	setWhatsThis(remember_all_check, tr("Remember settings"),
+		tr("Usually SMPlayer will remember the settings for each file you "
+           "play (audio track selected, volume, filters...). Disable this "
+           "option if you don't like this feature.") );
+
+	setWhatsThis(remember_time_check, tr("Remember time position"),
+		tr("If you check this option, SMPlayer will remember the last position "
+           "of the file when you open it again. This option works only with "
+           "regular files (not with DVDs, CDs, URLs...).") );
+
+	setWhatsThis(filesettings_method_combo, tr("Method to store the file settings"),
+		tr("This option allows to change the way the file settings would be "
+           "stored. The following options are available:") +"<ul><li>" + 
+		tr("<b>one ini file</b>: the settings for all played files will be "
+           "saved in a single ini file (%1)").arg(QString("<i>"+Paths::iniPath()+"/smplayer.ini</i>")) + "</li><li>" +
+		tr("<b>multiple ini files</b>: one ini file will be used for each played file. "
+           "Those ini files will be saved in the folder %1").arg(QString("<i>"+Paths::iniPath()+"/file_settings</i>")) + "</li></ul>" +
+		tr("The latter method could be faster if there is info for a lot of files.") );
+
+	setWhatsThis(close_on_finish_check, tr("Close when finished"),
+		tr("If this option is checked, the main window will be automatically "
+		   "closed when the current file/playlist finishes.") );
+
+	setWhatsThis(pause_if_hidden_check, tr("Pause when minimized"),
+		tr("If this option is enabled, the file will be paused when the "
+           "main window is hidden. When the window is restored, playback "
+           "will be resumed.") );
+
+	// Video tab
+	addSectionTitle(tr("Video"));
+
+	setWhatsThis(vo_combo, tr("Video output driver"),
+		tr("Select the video output driver. %1 provides the best performance.")
+#ifdef Q_OS_WIN
+		  .arg("<b><i>directx</i></b>")
+#else
+		  .arg("<b><i>xv</i></b>")
+#endif
+		);
+
+	setWhatsThis(postprocessing_check, tr("Enable postprocessing by default"),
+		tr("Postprocessing will be used by default on new opened files.") );
+
+	setWhatsThis(autoq_spin, tr("Postprocessing quality"),
+		tr("Dynamically changes the level of postprocessing depending on the "
+           "available spare CPU time. The number you specify will be the "
+           "maximum level used. Usually you can use some big number.") );
+
+	setWhatsThis(deinterlace_combo, tr("Deinterlace by default"),
+        tr("Select the deinterlace filter that you want to be used for new "
+           "videos opened.") );
+
+	setWhatsThis(zoom_spin, tr("Default zoom"),
+		tr("This option sets the default zoom which will be used for "
+           "new videos.") );
+
+	setWhatsThis(eq2_check, tr("Software video equalizer"),
+		tr("You can check this option if video equalizer is not supported by "
+           "your graphic card or the selected video output driver.<br>"
+           "<b>Note:</b> this option can be incompatible with some video "
+           "output drivers.") );
+
+	setWhatsThis(direct_rendering_check, tr("Direct rendering"),
+		tr("If checked, turns on direct rendering (not supported by all "
+           "codecs and video outputs)<br>"
+           "<b>Warning:</b> May cause OSD/SUB corruption!") );
+
+	setWhatsThis(double_buffer_check, tr("Double buffering"),
+		tr("Double buffering fixes flicker by storing two frames in memory, "
+           "and displaying one while decoding another. If disabled it can "
+           "affect OSD negatively, but often removes OSD flickering.") );
+
+	setWhatsThis(use_slices_check, tr("Draw video using slices"),
+		tr("Enable/disable drawing video by 16-pixel height slices/bands. "
+           "If disabled, the whole frame is drawn in a single run. "
+           "May be faster or slower, depending on video card and available "
+           "cache. It has effect only with libmpeg2 and libavcodec codecs.") );
+
+	setWhatsThis(start_fullscreen_check, tr("Start videos in fullscreen"),
+		tr("If this option is checked, all videos will start to play in "
+           "fullscreen mode.") );
+
+	setWhatsThis(blackborders_on_fs_check, tr("Add black borders on fullscreen"),
+		tr("If this option is enabled, black borders will be added to the "
+           "image in fullscreen mode. This allows subtitles to be displayed "
+           "on the black borders.") /* + "<br>" +
+ 		tr("This option will be ignored if MPlayer uses its own window, as "
+           "some video drivers (like gl) are already able to display the "
+           "subtitles automatically in the black borders.") */ );
+
+	setWhatsThis(screensaver_check, tr("Disable screensaver"),
+		tr("Check this option to disable the screensaver while playing.<br>"
+           "The screensaver will enabled again when play finishes.")
+           //+ tr("<br><b>Note:</b> This option works only in X11 and Windows.")
+		);
+
+	// Audio tab
+	addSectionTitle(tr("Audio"));
+
+	setWhatsThis(ao_combo, tr("Audio output driver"),
+		tr("Select the audio output driver.") 
+#ifndef Q_OS_WIN
+        + " " + 
+		tr("%1 is the recommended one. Try to avoid %2 and %3, they are slow "
+           "and can have an impact on performance.")
+           .arg("<b><i>alsa</i></b>")
+           .arg("<b><i>esd</i></b>")
+           .arg("<b><i>arts</i></b>")
+#endif
+		);
+
+	setWhatsThis(audio_equalizer_check, tr("Enable the audio equalizer"),
+		tr("Check this option if you want to use the audio equalizer.") );
+
+	setWhatsThis(hwac3_check, tr("AC3/DTS pass-through S/PDIF"),
+		tr("Uses hardware AC3 passthrough") );
+
+	setWhatsThis(channels_combo, tr("Channels by default"),
+		tr("Requests the number of playback channels. MPlayer "
+           "asks the decoder to decode the audio into as many channels as "
+           "specified. Then it is up to the decoder to fulfill the "
+           "requirement. This is usually only important when playing "
+           "videos with AC3 audio (like DVDs). In that case liba52 does "
+           "the decoding by default and correctly downmixes the audio "
+           "into the requested number of channels. "
+           "<b>Note</b>: This option is honored by codecs (AC3 only), "
+           "filters (surround) and audio output drivers (OSS at least).") );
+
+	setWhatsThis(scaletempo_combo, tr("High speed playback without altering pitch"),
+		tr("Allows to change the playback speed without altering pitch. "
+           "Requires at least MPlayer dev-SVN-r24924.") );
+
+	setWhatsThis(softvol_check, tr("Software volume control"),
+		tr("Check this option to use the software mixer, instead of "
+           "using the sound card mixer.") );
+
+	setWhatsThis(softvol_max_spin, tr("Max. Amplification"),
+		tr("Sets the maximum amplification level in percent (default: 110). "
+           "A value of 200 will allow you to adjust the volume up to a "
+           "maximum of double the current level. With values below 100 the "
+           "initial volume (which is 100%) will be above the maximum, which "
+           "e.g. the OSD cannot display correctly.") );
+
+	setWhatsThis(volnorm_check, tr("Volume normalization by default"),
+		tr("Maximizes the volume without distorting the sound.") );
+
+	setWhatsThis(change_volume_check, tr("Change volume"),
+		tr("If checked, SMPlayer will remember the volume for every file "
+           "and will restore it when played again. For new files the default "
+           "volume will be used.") );
+
+	setWhatsThis(use_volume_combo, tr("Change volume just before playing"),
+		tr("If this option is checked the initial volume will be set just "
+           "before playback starts. This avoids a loud volume on startup. "
+           "Requires at least MPlayer SVN r27872."));
+
+	setWhatsThis(initial_volume_slider, tr("Default volume"),
+		tr("Sets the initial volume that new files will use.") );
+
+
+	addSectionTitle(tr("Preferred audio and subtitles"));
+
+	setWhatsThis(audio_lang_edit, tr("Preferred audio language"),
+		tr("Here you can type your preferred language for the audio streams. "
+           "When a media with multiple audio streams is found, SMPlayer will "
+           "try to use your preferred language.<br>"
+           "This only will work with media that offer info about the language "
+           "of the audio streams, like DVDs or mkv files.<br>"
+           "This field accepts regular expressions. Example: <b>es|esp|spa</b> "
+           "will select the audio track if it matches with <i>es</i>, "
+           "<i>esp</i> or <i>spa</i>.") );
+
+	setWhatsThis(subtitle_lang_edit, tr("Preferred subtitle language"),
+		tr("Here you can type your preferred language for the subtitle stream. "
+           "When a media with multiple subtitle streams is found, SMPlayer will "
+           "try to use your preferred language.<br>"
+           "This only will work with media that offer info about the language "
+           "of the subtitle streams, like DVDs or mkv files.<br>"
+           "This field accepts regular expressions. Example: <b>es|esp|spa</b> "
+           "will select the subtitle stream if it matches with <i>es</i>, "
+           "<i>esp</i> or <i>spa</i>.") );
+
+	setWhatsThis(audio_track_spin, tr("Audio track"),
+		tr("Specifies the default audio track which will be used when playing "
+           "new files. If the track doesn't exist, the first one will be used. "
+           "<br><b>Note:</b> the <i>\"preferred audio language\"</i> has "
+           "preference over this option.") );
+
+	setWhatsThis(subtitle_track_spin, tr("Subtitle track"),
+		tr("Specifies the default subtitle track which will be used when "
+           "playing new files. If the track doesn't exist, the first one "
+           "will be used. <br><b>Note:</b> the <i>\"preferred subtitle "
+           "language\"</i> has preference over this option.") );
+
+}
+
+#include "moc_prefgeneral.cpp"