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/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 400 insertions, 0 deletions

diff --git a/arts/modules/common/env_effectrackitem_impl.cc b/arts/modules/common/env_effectrackitem_impl.cc
new file mode 100644
index 00000000..7872ce42
--- /dev/null
+++ b/arts/modules/common/env_effectrackitem_impl.cc
@@ -0,0 +1,400 @@
+/*  This file is part of the KDE project
+    Copyright (C) 2002-2003 Matthias Kretz <kretz@kde.org>
+                  2002 Arnold Krille <arnold@arnoldarts.de>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2 as published by the Free Software Foundation.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, USA.
+
+*/
+// $Id$
+
+#include "artsmodulescommon.h"
+#include <debug.h>
+#include "env_item_impl.h"
+#include <connect.h>
+#include <stdio.h>
+#include <vector>
+#include <map>
+
+
+// Wether you are able to edit the name of the effectrack with an ugly LineInput or not.
+//#define EFFECTRACK_NAME
+// We should implement something like a ConfigWidget or at least a KLineInputBox or something...
+
+namespace Arts {
+namespace Environment {
+
+class EffectRackItem_impl : virtual public EffectRackItem_skel,
+                            virtual public Item_impl
+{
+protected:
+	std::string _name;
+	AudioManagerClient _amClient;
+
+	struct RackWiring {
+		RackWiring( const std::string & type, AudioManagerClient _amClient )
+			: routedtomaster( false )
+			, amClient( _amClient )
+		{
+			effect = SubClass( type );
+
+			connect( input, effect );
+			connect( effect, output );
+		}
+
+		inline void setName( const std::string & efname )
+		{
+			name = efname;
+			input.busname( efname );
+			if( ! routedtomaster )
+			{
+				output.title( efname );
+				output.autoRestoreID( efname );
+			}
+		}
+
+		inline void start()
+		{
+			input.start();
+			effect.start();
+			output.start();
+		}
+
+		inline void stop()
+		{
+			input.stop();
+			effect.stop();
+			output.stop();
+		}
+
+		inline void master( bool tomaster )
+		{
+			routedtomaster = tomaster;
+
+			output.stop();
+			output = tomaster ? Synth_AMAN_PLAY( amClient ) : Synth_AMAN_PLAY();
+			connect( effect, output );
+			if( ! tomaster )
+			{
+				output.title( name );
+				output.autoRestoreID( name );
+			}
+			output.start();
+		}
+
+		bool routedtomaster;
+		std::string name;
+		std::string effectName;
+		Synth_BUS_DOWNLINK input;
+		Arts::StereoEffect effect;
+		Synth_AMAN_PLAY output;
+		AudioManagerClient amClient;
+	};
+	std::vector<RackWiring> _wirings;
+
+public:
+	EffectRackItem_impl()
+		: _name( "effect rack" )
+		, _amClient( amPlay, _name + " Master", "effectrack_" + _name )
+	{
+		// TODO: check if there's another effect rack with the same name already - if so prefix with 2./3./4.
+	}
+
+	// readonly attribute sequence<Arts::StereoEffect> effects;
+	std::vector<Arts::StereoEffect> *effects()
+	{
+		std::vector<Arts::StereoEffect> * effects = new std::vector<Arts::StereoEffect>;
+		for( std::vector<RackWiring>::iterator it = _wirings.begin(); it != _wirings.end(); ++it )
+			effects->push_back( it->effect );
+		return effects;
+	}
+
+	// attribute long effectCount;
+	long effectCount() { return _wirings.size(); }
+
+	// attribute string name;
+	void name(const std::string& newName) {
+		if(newName != _name)
+		{
+			_name = newName;
+			_amClient.title( _name + " Master" );
+			_amClient.autoRestoreID( "effectrack_" + _name );
+			for( unsigned int i = 0; i < _wirings.size(); i++ )
+				_wirings[i].setName( effectName( i, _wirings[ i ].effectName ) );
+			name_changed( newName );
+		}
+	}
+	std::string name() { return _name; }
+
+	void loadFromList(const std::vector<std::string>& /*list*/)
+	{
+	}
+
+	std::vector<std::string> *saveToList()
+	{
+		std::vector<std::string> *result = new std::vector<std::string>;
+		return result;
+	}
+
+	std::string effectName( int n, const std::string & en )
+	{
+		char * efname = new char[ _name.length() + en.length() + 128 ];
+		sprintf( efname, "%s%02d (%s)", _name.c_str(), n, en.c_str() );
+		return efname;
+	}
+
+	Arts::StereoEffect createEffect( const std::string & type, const std::string & name )
+	{
+		RackWiring wiring( type, _amClient );
+		wiring.setName( effectName( _wirings.size() + 1, name ) );
+		wiring.start();
+		_wirings.push_back( wiring );
+		return wiring.effect;
+	}
+
+	void delEffect( long pos )
+	{
+		_wirings[ pos ].stop();
+		_wirings.erase( _wirings.begin() + pos );
+		for( unsigned int i = pos; i < _wirings.size(); ++i )
+			_wirings[ i ].setName( effectName( i, _wirings[ i ].effectName ) );
+	}
+
+	void routeToMaster( long pos, bool tomaster )
+	{
+		_wirings[ pos ].master( tomaster );
+	}
+};
+REGISTER_IMPLEMENTATION(EffectRackItem_impl);
+}
+
+using namespace Environment;
+
+typedef WeakReference<VBox> VBox_wref;
+
+class EffectRackItemGui_impl : virtual public EffectRackItemGui_skel {
+private:
+	bool _active;
+	long _effectCount;
+	std::string _type;
+	EffectRackItem _effectRack;
+
+	/* widgets */
+	VBox_wref _widget;
+	HBox hbox;
+	VBox effect_vbox;
+#ifdef EFFECTRACK_NAME
+	LineEdit name;
+#endif
+	ComboBox typebox;
+	Button addbutton;
+	GenericGuiFactory guiFactory;
+	std::vector<EffectRackSlot> _slots;
+	std::map<std::string, std::string> typeforname;
+	std::map<std::string, std::string> namefortype;
+
+public:
+	EffectRackItemGui self() { return EffectRackItemGui::_from_base(_copy()); }
+
+	void redoGui()
+	{
+		VBox vbox = _widget;
+		if(vbox.isNull())
+			arts_warning("update with vbox null");
+		if(_effectRack.isNull())
+			arts_warning("update with _effectRack null");
+		if(!_effectRack.isNull() && !vbox.isNull())
+		{
+			vbox.spacing( 0 );
+			vbox.margin( 10 );
+			hbox = HBox( vbox );
+			hbox.spacing( 5 );
+			hbox.margin( 0 );
+
+#ifdef EFFECTRACK_NAME
+			name = LineEdit();
+			name.caption("name");
+			name.text(_effectRack.name());
+			name.parent(hbox);
+			connect(name,"text_changed", _effectRack, "name");
+#endif
+
+			std::vector<std::string> choices;
+			TraderQuery query;
+			query.supports( "Interface", "Arts::StereoEffect" );
+			query.supports( "Features", "RackGUI" );
+			std::vector<TraderOffer> *queryResults = query.query();
+			for(std::vector<TraderOffer>::iterator it = queryResults->begin(); it != queryResults->end(); ++it)
+			{
+				std::vector<std::string> * names = it->getProperty( "Name" );
+				std::string name = names->empty() ? it->interfaceName() : names->front();
+				delete names;
+				choices.push_back( name );
+				typeforname[ name ] = it->interfaceName();
+				namefortype[ it->interfaceName() ] = name;
+			}
+			delete queryResults;
+			typebox = ComboBox();
+			typebox.choices(choices);
+			typebox.value(_type);
+			typebox.parent(hbox);
+			connect(typebox,"value_changed", self(), "type");
+
+			addbutton = Button( "add", hbox );
+			connect( addbutton, "clicked_changed", self(), "addeffect" );
+
+			effect_vbox = VBox( vbox );
+			effect_vbox.margin( 0 );
+			effect_vbox.spacing( 5 );
+			effect_vbox.show();
+
+			Frame spacer;
+			spacer.parent( effect_vbox );
+			spacer.vSizePolicy( spExpanding );
+			spacer.show();
+			effect_vbox._addChild( spacer, "spacer" );
+
+			_slots.clear();
+
+			// add Arts::StereoEffect widgets
+			std::vector<Arts::StereoEffect> * effects = _effectRack.effects();
+			for( std::vector<Arts::StereoEffect>::iterator it = effects->begin(); it != effects->end(); ++it )
+				createEffectGui( *it );
+			delete effects;
+		}
+		else
+		{
+			/* FIXME: maybe insert a "dead" label here */
+			if(!vbox.isNull())
+				vbox.show();
+			effect_vbox = VBox::null();
+			hbox = HBox::null();
+			// name = LineEdit::null();
+			typebox = ComboBox::null();
+			_slots.clear();
+		}
+	}
+
+	void createEffectGui( Arts::StereoEffect effect )
+	{
+		Widget w = guiFactory.createGui( effect );
+		if( ! w.isNull() )
+		{
+			// insert effect GUI into the "Rack"
+			EffectRackSlot slot( effect_vbox, w, self() );
+			_slots.push_back( slot );
+		}
+	}
+
+	void removeSlot( EffectRackSlot slot )
+	{
+		unsigned int i;
+		for( i = 0; i < _slots.size() && ! _slots[ i ]._isEqual( slot ) ; ++i );
+		if( i < _slots.size() )
+		{
+			_slots.erase( _slots.begin() + i );
+			_effectRack.delEffect( i );
+		}
+		else
+			arts_warning( "WARNING: Trying to remove an unknown slot" );
+	}
+
+	void routeToMaster( EffectRackSlot slot, bool tomaster )
+	{
+		unsigned int i;
+		for( i = 0; i < _slots.size() && ! _slots[ i ]._isEqual( slot ) ; ++i );
+		if( i < _slots.size() )
+			_effectRack.routeToMaster( i, tomaster );
+		else
+			arts_warning( "WARNING: Trying to route an unknown slot" );
+	}
+
+	bool active() { return _active; }
+	void active(bool newActive)
+	{
+		if(newActive != _active)
+		{
+			_active = newActive;
+			if(!newActive)
+				_effectRack = EffectRackItem::null();
+			redoGui();
+		}
+	}
+
+	std::string type()
+	{
+		return _type;
+	}
+	void type(const std::string& t)
+	{
+		_type = typeforname[ t ];
+	}
+
+	bool addeffect() { return false; } //unused
+	void addeffect( bool clicked )
+	{
+		if( ! addbutton.clicked() || ! clicked )
+			return;
+
+		Arts::StereoEffect effect = _effectRack.createEffect( _type, namefortype[ _type ] );
+		createEffectGui( effect );
+	}
+
+	Widget initialize(EffectRackItem item)
+	{
+		VBox vbox;
+		vbox._addChild(self(),"the_gui_updating_widget");
+
+		_widget = vbox;
+		_effectRack = item;
+		_active = item.active();
+		_type = "Arts::Synth_VOICE_REMOVAL";
+		_effectCount = item.effectCount();
+
+		if(!_effectRack.isNull())
+		{
+			connect(_effectRack, "active_changed", self(), "active");
+		}
+		redoGui();
+
+		return vbox;
+	}
+};
+
+REGISTER_IMPLEMENTATION(EffectRackItemGui_impl);
+
+class EffectRackGuiFactory_impl : virtual public EffectRackGuiFactory_skel
+{
+public:
+	Widget createGui(Object object) 
+	{
+		arts_return_val_if_fail(!object.isNull(), Arts::Widget::null());
+
+		std::string iface = object._interfaceName();
+		arts_return_val_if_fail(iface == "Arts::Environment::EffectRackItem",
+				Arts::Widget::null());
+		if(iface == "Arts::Environment::EffectRackItem")
+		{
+			EffectRackItem effectRack = DynamicCast(object);
+			arts_return_val_if_fail(!effectRack.isNull(), Arts::Widget::null());
+
+			EffectRackItemGui gui;
+			return gui.initialize(effectRack);
+		}
+		return Arts::Widget::null();
+	}
+};
+REGISTER_IMPLEMENTATION(EffectRackGuiFactory_impl);
+}
+// vim:ts=4:sw=4