bool Window::MoveTo( int x, int y )
{
// Send resize request.
Message *msg = new Message(MOVE);
msg->AddInt( "_id", m_wid );
msg->AddInt( "_x", x );
msg->AddInt( "_y", y );
Message *reply = Messenger::SendReceiveMessage( "gui_server", m_did, msg );
if ( reply == NULL )
{
delete msg;
return false;
}
delete msg;
int rc = reply->rc();
if ( rc != 0 )
{
delete reply;
return false;
}
// Okay.. our move was granted. Let see what we were given.
int bad = 0;
if ( reply->FindRect( "_rect", &m_frame ) != 0 ) bad = -1;
delete reply;
if ( bad != 0 ) return false;
return true;
}
int GUIControl::SetMode( int video_id, int width, int height, int mode )
{
Message *msg = new Message( SET );
msg->AddString( "_type", "video_mode" );
msg->AddInt( "_id", video_id );
msg->AddInt( "_width", width );
msg->AddInt( "_height", height );
msg->AddInt( "_mode", mode );
Message *reply = Messenger::SendReceiveMessage( "gui_server", 0, msg );
if ( reply == NULL )
{
delete msg;
return -1;
}
int ans = reply->rc();
if ( ans != 0 )
{
if ( msg->error() != NULL )
printf("%s%s\n","error: ", msg->error() );
}
delete reply;
delete msg;
return ans;
}
int GUIControl::SetDesktopDriver( int desktop_id, int video_id )
{
Message *msg = new Message( SET );
msg->AddString( "_type", "desktop_driver" );
msg->AddInt( "_id", desktop_id );
msg->AddInt( "_vid", video_id );
Message *reply = Messenger::SendReceiveMessage( "gui_server", 0, msg );
if ( reply == NULL )
{
delete msg;
return -1;
}
delete msg;
int ans = reply->rc();
if ( ans != 0 )
{
if ( msg->error() != NULL )
printf("%s%s\n","error: ", msg->error() );
}
delete reply;
return ans;
}
int Window::Register()
{
Message *msg = new Message(REGISTER);
msg->AddString( "_type", "window" );
msg->AddInt( "_port", Port() );
msg->AddString( "_title", m_title );
msg->AddRect( "_rect", Frame() );
msg->AddBool( "_visible", false );
msg->AddInt( "_flags", m_flags );
Message *reply = Messenger::SendReceiveMessage( "gui_server", 0, msg );
if ( reply == NULL )
{
delete msg;
return -1;
}
delete msg;
if ( reply->rc() != 0 )
{
delete reply;
return -1;
}
// Good reply.. let's get the information.
int bad = 0;
if ( reply->FindInt( "_id", &m_wid ) != 0 ) bad = -1;
if ( reply->FindInt( "_sid", &m_sid ) != 0 ) bad = -1;
if ( reply->FindInt( "_did", &m_did ) != 0 ) bad = -1;
if ( reply->FindRect( "_rect", &m_frame ) != 0 ) bad = -1;
delete reply;
// Accept the GUI memory and everything.
int tmp_pages;
unsigned int tmp_flags;
if ( smk_request_shmem( m_sid, (void**)&m_buffer, &tmp_pages, &tmp_flags ) != 0 )
bad = -1;
// We now have our GUI buffer, size and ID.
if ( bad != 0 ) return -1;
// Registered with desktop port = m_did
return 0;
}
int Window::Deregister()
{
Message *msg = new Message( DEREGISTER );
msg->AddInt( "_id", m_wid );
Message *reply = Messenger::SendReceiveMessage( "gui_server", m_did, msg );
if ( reply == NULL )
{
delete msg;
return -1;
}
delete msg;
// Check response.. not that we care, really.
int ans = reply->rc();
delete reply;
// And... breathe...
if ( m_sid >= 0 ) smk_release_shmem( m_sid );
m_buffer = NULL;
m_sid = -1;
m_did = 0;
return ans;
}
int GUIControl::DeleteDesktop( int desktop_id )
{
Message *msg = new Message( DELETE );
msg->AddString( "_type", "desktop" );
msg->AddInt( "_id", desktop_id );
Message *reply = Messenger::SendReceiveMessage( "gui_server", 0, msg );
if ( reply == NULL )
{
delete msg;
return -1;
}
delete msg;
if ( reply->rc() != 0 )
{
if ( msg->error() != NULL )
printf("%s%s\n","error: ", msg->error() );
delete reply;
return -1;
}
delete reply;
return 0;
}
/** Convenience method to sends a reply Message with a
* what value of "OK", and the given "rc" and "_error"
* parameters.
*
* \param rc The return code which will be embedded as an Int named "rc".
* \param error The return string to embed as "_error". Nothing is embedded
* if NULL is specified.
*
* \return 0 if the reply was sent successfully.
*/
int Message::SendRC( int rc, char *error )
{
Message *msg = new Message( OK );
msg->AddInt( "rc", rc );
if ( error != NULL ) msg->AddString( "_error", error );
int ans = SendReply( msg );
delete msg;
return ans;
}
int GUIControl::GetDesktopMode( int desktop_id,
int *video_id,
int *width, int *height, int *mode )
{
Message *msg = new Message( GET );
msg->AddString( "_type", "desktop_mode" );
msg->AddInt( "_id", desktop_id );
Message *reply = Messenger::SendReceiveMessage( "gui_server", 0, msg );
if ( reply == NULL )
{
delete msg;
return -1;
}
delete msg;
int ans = reply->rc();
if ( ans != 0 )
{
if ( msg->error() != NULL )
printf("%s%s\n","error: ", msg->error() );
}
if ( reply->FindInt( "_id", video_id ) != 0 ) ans = -1;
if ( reply->FindInt( "_width", width ) != 0 ) ans = -1;
if ( reply->FindInt( "_height", height ) != 0 ) ans = -1;
if ( reply->FindInt( "_mode", mode ) != 0 ) ans = -1;
delete reply;
return ans;
}
bool Window::ResizeTo( int width, int height )
{
// within reason.
if ( (width < 5) || (height < 5) ) return false;
Rect newFrame = Frame();
newFrame.right = newFrame.left + width - 1;
newFrame.bottom = newFrame.top + height - 1;
// Send resize request.
Message *msg = new Message(RESIZE);
msg->AddInt( "_id", m_wid );
msg->AddRect( "_rect", newFrame );
Message *reply = Messenger::SendReceiveMessage( "gui_server", m_did, msg );
if ( reply == NULL )
{
delete msg;
return false;
}
delete msg;
if ( reply->rc() != 0 )
{
delete reply;
return false;
}
// Good reply.. let's get the information.
int bad = 0;
int new_sid;
if ( reply->FindInt( "_sid", &new_sid ) != 0 ) bad = -1;
if ( reply->FindRect( "_rect", &newFrame ) != 0 ) bad = -1;
delete reply;
if ( bad != 0 ) return -1;
// --------- Release what used to be.
if ( m_sid >= 0 ) smk_release_shmem( m_sid );
m_buffer = NULL;
m_sid = new_sid;
m_frame = newFrame;
// Accept the GUI memory and everything.
int tmp_pages;
unsigned int tmp_flags;
if ( smk_request_shmem( m_sid, (void**)&m_buffer, &tmp_pages, &tmp_flags) != 0 )
{
// Freak out...
exit(-1);
}
// ....................
Draw(Bounds());
Sync();
// We now have our GUI buffer, size and ID.
return true;
}