86fdd27b45
wxOleStream added git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2542 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
429 lines
11 KiB
C++
429 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wxole.cpp
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// Purpose: wxOLE
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// Author: Robert Roebling
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// Modified by:
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// Created: 20/04/99
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// RCS-ID: $Id$
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// Copyright: (c) Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "wxole.h"
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#endif
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#include "wx/defs.h"
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#include "wxole.h"
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#include "wx/app.h"
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#include "wx/menu.h"
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#include "wx/statusbr.h"
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#include "wx/toolbar.h"
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#include "wx/stream.h"
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#include "wx/gtk/win_gtk.h"
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extern "C" {
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#include "gtk/gtk.h"
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#include "gdk/gdk.h"
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#include <gnome.h>
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#include <libgnorba/gnorba.h>
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#include <bonobo/bonobo.h>
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#include <bonobo/gnome-main.h>
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#include <bonobo/gnome-component.h>
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#include <bonobo/gnome-component-factory.h>
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#include <bonobo/gnome-persist-stream.h>
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#include <bonobo/gtk-interfaces.h>
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}
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//-----------------------------------------------------------------------------
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// global data
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//-----------------------------------------------------------------------------
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const wxChar *wxOleNameStr = _T("olecontrol");
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//---------------------------------------------------------------------------
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// wxOleServerEnvPrivate
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//---------------------------------------------------------------------------
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class wxOleServerEnvPrivate
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{
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public:
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wxOleServerEnvPrivate() {}
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~wxOleServerEnvPrivate() {}
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CORBA_Environment m_ev;
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CORBA_ORB m_orb;
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};
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//---------------------------------------------------------------------------
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// wxOleInputStream
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//---------------------------------------------------------------------------
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class wxOleInputStream : public wxInputStream
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{
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public:
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wxOleInputStream( GNOME_Stream stream );
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~wxOleInputStream();
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bool Ok() const { return m_error; }
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protected:
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bool m_error;
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GNOME_Stream m_gstream;
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size_t OnSysRead(void *buffer, size_t size);
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off_t OnSysSeek(off_t pos, wxSeekMode mode);
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off_t OnSysTell() const;
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};
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//---------------------------------------------------------------------------
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// wxOleServerEnv
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//---------------------------------------------------------------------------
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IMPLEMENT_CLASS(wxOleServerEnv,wxObject)
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wxOleServerEnv::wxOleServerEnv( const wxString &name, const wxString &version )
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{
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m_serverName = name;
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m_serverVersion = version;
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m_priv = new wxOleServerEnvPrivate();
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CORBA_exception_init( &(m_priv->m_ev) );
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gnome_CORBA_init(
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m_serverName.mb_str(),
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m_serverVersion.mb_str(),
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&wxTheApp->argc,
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wxTheApp->argv,
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GNORBA_INIT_SERVER_FUNC,
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&(m_priv->m_ev) );
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if (m_priv->m_ev._major != CORBA_NO_EXCEPTION)
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{
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return;
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}
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m_priv->m_orb = gnome_CORBA_ORB();
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if (bonobo_init( m_priv->m_orb, NULL, NULL ) == FALSE)
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{
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return;
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}
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}
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wxOleServerEnv::~wxOleServerEnv()
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{
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CORBA_exception_free( &(m_priv->m_ev) );
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delete m_priv;
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}
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//---------------------------------------------------------------------------
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// wxOleInputStream
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//---------------------------------------------------------------------------
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wxOleInputStream::wxOleInputStream( GNOME_Stream stream )
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{
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m_gstream = stream;
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m_error = (m_gstream);
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}
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wxOleInputStream::~wxOleInputStream()
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{
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/* we don't create the stream so we
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don't destroy it either. */
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}
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size_t wxOleInputStream::OnSysRead( void *buffer, size_t size )
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{
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GNOME_Stream_iobuf *gbuffer = GNOME_Stream_iobuf__alloc();
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CORBA_Environment ev;
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CORBA_exception_init( &ev );
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GNOME_Stream_read( m_gstream, size, &gbuffer, &ev );
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CORBA_exception_free( &ev );
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memcpy( buffer, gbuffer->_buffer, gbuffer->_length );
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m_error = (gbuffer->_length != size);
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CORBA_free( gbuffer );
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}
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off_t wxOleInputStream::OnSysSeek( off_t pos, wxSeekMode mode )
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{
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CORBA_Environment ev;
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CORBA_exception_init( &ev );
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GNOME_Stream_seek( m_gstream, pos /* offset */, 0 /* whence */, &ev );
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CORBA_exception_free( &ev );
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}
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off_t wxOleInputStream::OnSysTell() const
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{
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return 0; /* oh well */
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}
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//---------------------------------------------------------------------------
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// wxOleServerPrivate
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//---------------------------------------------------------------------------
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class wxOleServerPrivate
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{
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public:
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wxOleServerPrivate() {}
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~wxOleServerPrivate() {}
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GnomeComponentFactory *m_factory;
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};
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//---------------------------------------------------------------------------
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// wxOleServer
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//---------------------------------------------------------------------------
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static GnomeView*
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gnome_view_factory_callback( GnomeComponent *component, wxOleServer *server )
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{
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/*
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printf( "Create OLE control.\n" );
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*/
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wxOleControl *ctx = server->CreateOleControl();
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if (!ctx) return (GnomeView*) NULL;
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/*
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printf( "Creating OLE control succeeded. Returning as GnomeView\n" );
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*/
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return gnome_view_new( ctx->m_widget );
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}
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static int
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gnome_load_from_stream_callback( GnomePersistStream *ps, GNOME_Stream stream, GnomeComponent* component )
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{
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wxOleInputStream wxstream( stream );
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}
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static GnomeComponent*
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gnome_component_factory_callback( GnomeComponentFactory *factory, const char *path, wxOleServer *server )
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{
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/*
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printf( "new component.\n" );
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if (path) printf( "path is %s.\n", path );
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*/
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GnomeComponent *component =
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gnome_component_new( gnome_view_factory_callback, (void*) server );
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/*
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if (!component)
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printf( "component creation failed.\n" );
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else
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printf( "component creation succeded.\n" );
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*/
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GnomePersistStream *stream =
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gnome_persist_stream_new( gnome_load_from_stream_callback, NULL /*save*/, (void*) component );
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/*
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if (!stream)
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printf( "stream creation failed.\n" );
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else
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printf( "stream creation succeded.\n" );
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*/
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gtk_object_add_interface( GTK_OBJECT(component), GTK_OBJECT(stream) );
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return component;
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}
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IMPLEMENT_CLASS(wxOleServer,wxObject)
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wxOleServer::wxOleServer( const wxString &id )
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{
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m_ID = "component:";
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m_ID += id;
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m_priv = new wxOleServerPrivate();
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/*
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printf( "new component factory.\n" );
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*/
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m_priv->m_factory =
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gnome_component_factory_new( m_ID.mb_str(), gnome_component_factory_callback, (void*) this );
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}
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wxOleServer::~wxOleServer()
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{
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delete m_priv;
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}
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wxOleControl *wxOleServer::CreateOleControl()
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{
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return new wxOleControl( -1 );
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}
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//-----------------------------------------------------------------------------
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// "size_allocate"
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//-----------------------------------------------------------------------------
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static void gtk_olectx_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxOleControl *win )
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{
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if (!win->m_hasVMT) return;
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/*
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printf( "OnFrameResize from " );
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if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
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printf( win->GetClassInfo()->GetClassName() );
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printf( ".\n" );
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*/
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if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
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{
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win->m_sizeSet = FALSE;
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win->m_width = alloc->width;
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win->m_height = alloc->height;
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}
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}
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//-----------------------------------------------------------------------------
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// "delete_event"
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//-----------------------------------------------------------------------------
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static gint gtk_olectx_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxOleControl *win )
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{
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/*
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printf( "OnDelete from " );
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if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
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printf( win->GetClassInfo()->GetClassName() );
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printf( ".\n" );
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*/
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win->Close();
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// "configure_event"
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//-----------------------------------------------------------------------------
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static gint gtk_olectx_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxOleControl *win )
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{
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if (!win->m_hasVMT) return FALSE;
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win->m_x = event->x;
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win->m_y = event->y;
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wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
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mevent.SetEventObject( win );
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win->GetEventHandler()->ProcessEvent( mevent );
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return FALSE;
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}
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//---------------------------------------------------------------------------
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// wxOleControl
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//---------------------------------------------------------------------------
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IMPLEMENT_CLASS(wxOleControl,wxFrame)
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wxOleControl::wxOleControl( wxWindowID id, long style, const wxString &name )
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{
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Create( id, style, name );
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}
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bool wxOleControl::Create( wxWindowID id, long style, const wxString &name )
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{
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wxTopLevelWindows.Append( this );
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m_needParent = FALSE;
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PreCreation( (wxWindow*) NULL, id, wxDefaultPosition, wxDefaultSize, style, name );
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m_title = _T("wxWindows OLE Server");
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/* any widget that can contain another widget and resizes it
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to its full size */
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m_widget = gtk_hbox_new(0,0);
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GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
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gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
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GTK_SIGNAL_FUNC(gtk_olectx_delete_callback), (gpointer)this );
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/* m_mainWidget holds the toolbar, the menubar and the client area */
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m_mainWidget = gtk_myfixed_new();
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gtk_widget_show( m_mainWidget );
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GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
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gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
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/* m_wxwindow only represents the client area without toolbar and menubar */
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m_wxwindow = gtk_myfixed_new();
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gtk_widget_show( m_wxwindow );
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GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
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gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
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PostCreation();
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/* the user resized the frame by dragging etc. */
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gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
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GTK_SIGNAL_FUNC(gtk_olectx_size_callback), (gpointer)this );
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/* the only way to get the window size is to connect to this event */
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gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
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GTK_SIGNAL_FUNC(gtk_olectx_configure_callback), (gpointer)this );
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gtk_widget_show_all( m_widget );
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return TRUE;
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}
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wxOleControl::~wxOleControl()
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{
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if (m_frameMenuBar) delete m_frameMenuBar;
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m_frameMenuBar = (wxMenuBar *) NULL;
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if (m_frameStatusBar) delete m_frameStatusBar;
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m_frameStatusBar = (wxStatusBar *) NULL;
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if (m_frameToolBar) delete m_frameToolBar;
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m_frameToolBar = (wxToolBar *) NULL;
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wxTopLevelWindows.DeleteObject( this );
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if (wxTheApp->GetTopWindow() == this)
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wxTheApp->SetTopWindow( (wxWindow*) NULL );
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if (wxTopLevelWindows.Number() == 0)
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wxTheApp->ExitMainLoop();
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}
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void wxOleControl::DoSetSize( int x, int y, int width, int height, int sizeFlags )
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{
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// ignore
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}
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void wxOleControl::DoSetClientSize(int width, int height)
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{
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// ignore
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}
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