wxWidgets/utils/wxOLE/gtk/wxole.cpp

425 lines
11 KiB
C++

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