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, 462 insertions, 0 deletions

diff --git a/arts/builder/structure.cpp b/arts/builder/structure.cpp
new file mode 100644
index 00000000..37950119
--- /dev/null
+++ b/arts/builder/structure.cpp
@@ -0,0 +1,462 @@
+    /*
+
+    Copyright (C) 1999 Stefan Westerfeld
+                       stefan@space.twc.de
+
+    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 "structure.h"
+#include "soundserver.h"
+#include "kartsserver.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <iostream>
+#include <fstream>
+#include <kdebug.h>
+#include <arts/debug.h>
+
+using namespace std;
+
+ExecutableStructure::ExecutableStructure()
+{
+}
+
+ExecutableStructure::~ExecutableStructure()
+{
+	// to make destructor virtual
+	// stop execution here?
+}
+
+void ExecutableStructure::stopExecute()
+{
+	arts_debug("TODO: PORT: freeStructure");
+}
+
+bool ExecutableStructure::isExecuting()
+{
+	arts_debug("TODO:PORT:isExecuting()");
+	return false;
+}
+
+bool ExecutableStructure::saveSession(const char *filename)
+{
+	arts_debug("TODO:PORT:saveSession()");
+#if 0
+	assert(execID);
+
+	ArtsCorba::StringSeq_var data;
+	arts_debug("saveSession");
+	if(Synthesizer->saveSession(execID,true,data))
+	{
+		arts_debug("ok");
+		FILE *file = fopen(filename,"w");
+		if(!file) return false;
+
+		unsigned long i;
+		for(i=0;i<data->length();i++) fprintf(file,"%s\n",(char *)(*data)[i]);
+		fclose(file);
+
+		return true;
+	}
+	arts_debug("failed");
+#endif
+	return false;
+}
+
+Structure::Structure() :ExecutableStructure()
+{
+	canvas = 0;
+}
+
+void Structure::setCanvas(StructureCanvas *canvas)
+{
+	this->canvas = canvas;
+}
+
+Structure::~Structure()
+{
+	clear();
+	arts_debug("~Structure (releasing structuredesc from structure)");
+}
+
+bool Structure::startExecute()
+{
+#if 0
+	assert(!execID);
+
+	arts_debug("PORT: TODO startExecute()");
+	// just in case synthesis has been halted before,
+	// restart it and hope we'll have enough computing power now
+	//Synthesizer->Reset();
+	//execID = Synthesizer->createStructure(StructureDesc,preferredservers);
+	assert(execID);
+#endif
+
+	/* connect to the sound server */
+	Arts::SimpleSoundServer server = KArtsServer().server();
+
+	if(server.isNull())
+		return false;
+
+	/* move a copy of the structure to the server, so that there will be
+	   no latencies in querying what to connect to what */
+	vector<string> *savePtr = StructureDesc.saveToList();
+	Arts::StructureDesc remoteSD;
+	remoteSD = Arts::DynamicCast(server.createObject("Arts::StructureDesc"));
+	assert(!remoteSD.isNull());
+	remoteSD.loadFromList(*savePtr);
+	delete savePtr;
+
+	/* create a structure builder on the server */
+	Arts::StructureBuilder builder;
+	builder = Arts::DynamicCast(server.createObject("Arts::StructureBuilder"));
+
+	/* create a local factory - this will enable the builder to create gui qt
+	   widgets (which need to reside within an qt application to work) */
+
+	Arts::LocalFactory factory;
+	builder.addFactory(factory);
+	
+	/* create the structure on the server */
+	structure = Arts::DynamicCast(builder.createObject(remoteSD));
+
+	if (structure.isNull())
+		return false;
+
+	structure.start();
+
+	return true;
+}
+
+void Structure::stopExecute()
+{
+	
+	// TODO:PORT: verify this code
+	structure = Arts::SynthModule::null();
+}
+
+void Structure::publish()
+{
+	arts_debug("PORT: TODO publish()");
+	//Synthesizer->publishStructureDesc(StructureDesc);
+}
+
+bool Structure::valid()
+{
+	return StructureDesc.valid();
+}
+
+string Structure::name()
+{
+	return StructureDesc.name();
+}
+
+void Structure::rename(const char *newname)
+{
+	StructureDesc.name(newname);
+}
+
+void Structure::addInheritedInterface(const char *iface)
+{
+	StructureDesc.addInheritedInterface(iface);
+}
+
+vector<string> *Structure::inheritedInterfaces()
+{
+	return StructureDesc.inheritedInterfaces();
+}
+
+void Structure::removeInheritedInterface(const char *iface)
+{
+	StructureDesc.removeInheritedInterface(iface);
+}
+
+void Structure::saveInto(FILE *file)
+{
+	vector<string> *list = StructureDesc.saveToList();
+
+	vector<string>::iterator i;
+
+	for(i = list->begin(); i != list->end(); i++)
+		fprintf(file, "%s\n", (*i).c_str());
+
+	delete list;
+}
+
+bool Structure::save(const char *filename)
+{
+	FILE *file = fopen(filename,"w");
+	if (!file)
+		return false;
+	
+	saveInto(file);
+	
+	fclose(file);
+
+	return true;
+}
+
+void Structure::clear()
+{
+	list<StructureComponent *>::iterator ci;
+
+	arts_debug("clc");
+/*
+	for(ci = ComponentList.begin(); ci != ComponentList.end(); ++ci)
+		delete (*ci);
+
+	ComponentList.erase(ComponentList.begin(), ComponentList.end());
+	ModuleList.erase(ModuleList.begin(), ModuleList.end());
+*/
+	for(ci = ComponentList.begin(); ci != ComponentList.end(); ++ci)
+		(*ci)->setSelected(true);
+	deleteSelected();
+
+	arts_debug("sdc");
+	// shouldn't do much, now that we deleted every single component of
+	// the structure, but we to it anyway, just to be sure.
+	StructureDesc.clear();
+}
+
+void Structure::retrieve(const char *pubname)
+{
+	arts_debug("PORT: TODO: retrieve");
+#if 0
+	arts_debug("retrieve... %s",pubname);
+	ArtsCorba::StructureDesc_var psd = Synthesizer->lookupStructureDesc(pubname);
+
+	arts_debug("psdlookup ok");
+	if(psd)
+	{
+		arts_debug("starting savetolist");
+		ArtsCorba::StringSeq_var strseq=psd->saveToList();
+		arts_debug("savetolist ok");
+		loadFromList(strseq);
+		arts_debug("loadfromlist ok");
+	}
+	arts_debug("retrieve... ok");
+#endif
+}
+
+void Structure::load(const char *filename)
+{
+	ifstream infile(filename);
+	string line;
+	vector<string> strseq;
+
+	while(getline(infile,line))
+		strseq.push_back(line);
+
+	loadFromList(strseq);
+#if 0
+	FILE *infile = fopen(filename,"r");
+	ArtsCorba::StringSeq_var strseq = new ArtsCorba::StringSeq;
+
+	char line[1024];
+	unsigned long i = 0;
+
+	while(fgets(line,1024,infile))
+	{
+		// cut eventual CR and/or LFs at the end of the line
+		while(strlen(line) && line[strlen(line)-1] < 14)
+			line[strlen(line)-1] = 0;
+
+		strseq->length(i+1);
+		(*strseq)[i++] = CORBA::string_dup(line);
+	}
+	fclose(infile);
+
+	arts_debug(">>loadfromlist...");
+	loadFromList(strseq);
+	arts_debug("<<loadfromlist...");
+#endif
+}
+
+void Structure::loadFromList(const vector<string>& strseq)
+{
+	assert(canvas);
+
+	arts_debug(">>clear");
+	clear();
+	arts_debug("<<clear");
+
+	StructureDesc.loadFromList(strseq);
+
+	vector<Arts::ModuleDesc> *modules = StructureDesc.modules();
+	vector<Arts::ModuleDesc>::iterator mi;
+
+	for(mi=modules->begin(); mi != modules->end(); ++mi)
+	{
+		Module *m = new Module(*mi,StructureDesc,canvas);
+
+		m->show();
+		ModuleList.push_back(m);
+		ComponentList.push_back(m);
+	}
+	delete modules;
+
+	vector<Arts::StructurePortDesc> *ports = StructureDesc.ports();
+	vector<Arts::StructurePortDesc>::iterator pi;
+
+	for(pi=ports->begin(); pi != ports->end(); ++pi)
+	{
+		StructurePort *p = new StructurePort(*pi,StructureDesc,canvas);
+
+		p->show();
+		ComponentList.push_back(p);
+	}
+	delete ports;
+}
+
+Module *Structure::createModule(const Arts::ModuleInfo& minfo)
+{
+	assert(canvas);
+	Module *m = new Module(minfo,StructureDesc,canvas);
+
+	ComponentList.push_back(m);
+	ModuleList.push_back(m);
+	return m;
+}
+
+StructurePort *Structure::createStructurePort(const Arts::PortType& type)
+{	// TODO:PORT: verify this code
+#if 0
+	arts_debug("TODO:PORT:createStructurePort");
+#endif
+// portname generation
+	unsigned long portindex = 1,l,baselen;;
+	char name[100];
+
+	string namebase;
+	if(type.direction == Arts::input) {
+		// this is a port where our structure puts its results
+		// so it is an input port, that is named out
+		namebase = "out"; baselen = 3;
+    } else {
+		// this is a port where our structure gets data from
+		// so it is an output port, that is named in
+		namebase = "in"; baselen = 2;
+	}
+
+	vector<Arts::StructurePortDesc> *sps = StructureDesc.ports();
+
+	for(l=0;l<sps->size();l++) {
+		string thisname = (*sps)[l].name();
+		if(strncmp(thisname.c_str(), namebase.c_str(), baselen) == 0 &&
+           strlen(thisname.c_str()) > baselen)
+		{
+			unsigned long index2 = atol(&thisname.c_str()[baselen]);
+			if(index2 >= portindex) portindex = index2+1;
+		}
+	}
+	delete sps;
+
+	sprintf(name,"%s%ld",namebase.c_str(),portindex);
+	arts_debug("new Portname: %s",name);
+	Arts::StructurePortDesc spd =
+		StructureDesc.createStructurePortDesc(type,name);
+
+	assert(canvas);
+	StructurePort *s = new StructurePort(spd,StructureDesc,canvas);
+	ComponentList.push_back(s);
+	return s;
+}
+
+list<Module *> *Structure::getModuleList()
+{
+	return(&ModuleList);
+}
+
+list<StructureComponent *> *Structure::getComponentList()
+{
+	return(&ComponentList);
+}
+
+long Structure::countSelected()
+{
+	list<StructureComponent *>::iterator ci;
+	long targets = 0;
+
+	for(ci=ComponentList.begin();ci!=ComponentList.end();++ci)
+		if((*ci)->selected()) targets++;
+
+	return targets;
+}
+
+void Structure::deleteSelected()
+{
+	arts_debug("deleteSelected...");
+
+	// remove module from the ModuleList
+	list<Module *>::iterator mi;
+	for(mi=ModuleList.begin();mi!=ModuleList.end();)
+	{
+		if((*mi)->selected())
+		{
+			mi = ModuleList.erase(mi);
+		}
+		else mi++;
+	}
+
+	// disconnect ports (it might be useful to get this right in the model
+	// instead of doing it in the view - however at it works without end
+	// user visible bugs like this)
+	
+	list<StructureComponent *>::iterator ci;
+	list<ModulePort *> allPorts;
+
+	for(ci = ComponentList.begin(); ci!=ComponentList.end(); ++ci)
+		if((*ci)->selected())
+			(*ci)->dumpPorts(allPorts);
+
+	list<ModulePort *>::iterator pi;
+	for(pi = allPorts.begin(); pi != allPorts.end(); ++pi)
+		(*pi)->PortDesc.disconnectAll();
+
+	// and from the ComponentList (the future ;)
+
+	ci = ComponentList.begin();
+	while(ci!=ComponentList.end())
+	{
+		if((*ci)->selected())
+		{
+			delete (*ci);
+			ci = ComponentList.erase(ci);
+		}
+		else ci++;
+	}
+
+	arts_debug("deleteSelected ok.");
+}
+
+StructureComponent *Structure::componentAt(long x, long y, bool ignore_selected)
+{
+	list<StructureComponent *>::iterator ci;
+
+	for(ci=ComponentList.begin();ci!=ComponentList.end();++ci)
+	{
+		StructureComponent *c = *ci;
+
+		if(x >= c->x() && x < c->x()+c->width() &&
+           y >= c->y() && y < c->y()+c->height())
+		{
+			if((c->selected() && !ignore_selected) || !c->selected()) return c;
+		}
+	}
+
+	return 0;
+}