mirror of
https://gitlab.com/kicad/code/kicad.git
synced 2025-04-06 17:05:31 +00:00
6c34fdefd7
This prevents deadlocks when exceptions are thrown and the context ends up not getting unlocked. It also removes an earlier hack to try and minimize this which didn't work anyway.
490 lines
15 KiB
C++
490 lines
15 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2014-2017 KiCad Developers, see CHANGELOG.TXT for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <string.h>
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#include <macros.h>
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#include <kiway.h>
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#include <kiway_player.h>
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#include <kiway_express.h>
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#include <pgm_base.h>
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#include <config.h>
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#include <id.h>
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#include <wx/stdpaths.h>
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#include <wx/debug.h>
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KIFACE* KIWAY::m_kiface[KIWAY_FACE_COUNT];
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int KIWAY::m_kiface_version[KIWAY_FACE_COUNT];
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KIWAY::KIWAY( PGM_BASE* aProgram, int aCtlBits, wxFrame* aTop ):
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m_program( aProgram ), m_ctl( aCtlBits ), m_top( 0 )
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{
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SetTop( aTop ); // hook player_destroy_handler() into aTop.
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// Prepare the room to store the frame names, once they will be created
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// with FRAME_T type as index in this table.
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// (note this is a list of frame names, but a non empty entry
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// does not mean the frame still exists. It means only the frame was created
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// at least once. It can be destroyed after. These entries are not cleared.
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// the purpose is just to allow a call to wxWindow::FindWindowByName(), from
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// a FRAME_T frame type
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m_playerFrameName.Add( wxEmptyString, KIWAY_PLAYER_COUNT );
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}
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#if 0
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// Any event types derived from wxCommandEvt, like wxWindowDestroyEvent, are
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// propagated upwards to parent windows if not handled below. Therefore the
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// m_top window should receive all wxWindowDestroyEvents originating from
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// KIWAY_PLAYERs. It does anyways, but now player_destroy_handler eavesdrops
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// on that event stream looking for KIWAY_PLAYERs being closed.
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void KIWAY::player_destroy_handler( wxWindowDestroyEvent& event )
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{
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// Currently : do nothing
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event.Skip(); // skip to who, the wxApp? I'm the top window.
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}
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#endif
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void KIWAY::SetTop( wxFrame* aTop )
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{
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#if 0
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if( m_top )
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{
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m_top->Disconnect( wxEVT_DESTROY, wxWindowDestroyEventHandler( KIWAY::player_destroy_handler ), NULL, this );
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}
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if( aTop )
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{
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aTop->Connect( wxEVT_DESTROY, wxWindowDestroyEventHandler( KIWAY::player_destroy_handler ), NULL, this );
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}
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#endif
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m_top = aTop;
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}
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const wxString KIWAY::dso_search_path( FACE_T aFaceId )
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{
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const char* name;
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switch( aFaceId )
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{
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case FACE_SCH: name = KIFACE_PREFIX "eeschema"; break;
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case FACE_PCB: name = KIFACE_PREFIX "pcbnew"; break;
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case FACE_CVPCB: name = KIFACE_PREFIX "cvpcb"; break;
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case FACE_GERBVIEW: name = KIFACE_PREFIX "gerbview"; break;
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case FACE_PL_EDITOR: name = KIFACE_PREFIX "pl_editor"; break;
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case FACE_PCB_CALCULATOR: name = KIFACE_PREFIX "pcb_calculator"; break;
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case FACE_BMP2CMP: name = KIFACE_PREFIX "bitmap2component"; break;
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default:
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wxASSERT_MSG( 0, wxT( "caller has a bug, passed a bad aFaceId" ) );
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return wxEmptyString;
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}
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#ifndef __WXMAC__
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wxString path;
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if( m_ctl & (KFCTL_STANDALONE | KFCTL_CPP_PROJECT_SUITE) )
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{
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// The 2 *.cpp program launchers: single_top.cpp and kicad.cpp expect
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// the *.kiface's to reside in same diretory as their binaries do.
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// Not so for python launcher, identified by KFCTL_PY_PROJECT_SUITE
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path = wxStandardPaths::Get().GetExecutablePath();
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}
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wxFileName fn = path;
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#else
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// we have the dso's in main OSX bundle kicad.app/Contents/PlugIns
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wxFileName fn = Pgm().GetExecutablePath();
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fn.AppendDir( wxT( "Contents" ) );
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fn.AppendDir( wxT( "PlugIns" ) );
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#endif
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fn.SetName( name );
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// Here a "suffix" == an extension with a preceding '.',
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// so skip the preceding '.' to get an extension
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fn.SetExt( KIFACE_SUFFIX + 1 ); // + 1 => &KIFACE_SUFFIX[1]
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return fn.GetFullPath();
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}
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PROJECT& KIWAY::Prj() const
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{
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return *(PROJECT*) &m_project; // strip const-ness, function really is const.
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}
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KIFACE* KIWAY::KiFACE( FACE_T aFaceId, bool doLoad )
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{
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// Since this will be called from python, cannot assume that code will
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// not pass a bad aFaceId.
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if( unsigned( aFaceId ) >= DIM( m_kiface ) )
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{
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// @todo : throw an exception here for python's benefit, at least that
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// way it gets some explanatory text.
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wxASSERT_MSG( 0, wxT( "caller has a bug, passed a bad aFaceId" ) );
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return NULL;
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}
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// return the previously loaded KIFACE, if it was.
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if( m_kiface[aFaceId] )
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return m_kiface[aFaceId];
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wxString msg;
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// DSO with KIFACE has not been loaded yet, does caller want to load it?
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if( doLoad )
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{
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wxString dname = dso_search_path( aFaceId );
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wxDynamicLibrary dso;
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void* addr = NULL;
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if( !dso.Load( dname, wxDL_VERBATIM | wxDL_NOW | wxDL_GLOBAL ) )
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{
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// Failure: error reporting UI was done via wxLogSysError().
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// No further reporting required here. Apparently this is not true on all
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// platforms and/or wxWidgets builds and KiCad will crash. Throwing the exception
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// here and catching it in the KiCad launcher resolves the crash issue. See bug
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// report https://bugs.launchpad.net/kicad/+bug/1577786.
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msg.Printf( _( "Failed to load kiface library \"%s\"." ), GetChars( dname ) );
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THROW_IO_ERROR( msg );
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}
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else if( ( addr = dso.GetSymbol( wxT( KIFACE_INSTANCE_NAME_AND_VERSION ) ) ) == NULL )
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{
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// Failure: error reporting UI was done via wxLogSysError().
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// No further reporting required here. Assume the same thing applies here as
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// above with the Load() call. This has not been tested.
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msg.Printf(
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_( "Could not read instance name and version symbol form kiface library \"%s\"." ),
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GetChars( dname ) );
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THROW_IO_ERROR( msg );
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}
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else
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{
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KIFACE_GETTER_FUNC* getter = (KIFACE_GETTER_FUNC*) addr;
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KIFACE* kiface = getter( &m_kiface_version[aFaceId], KIFACE_VERSION, m_program );
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// KIFACE_GETTER_FUNC function comment (API) says the non-NULL is unconditional.
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wxASSERT_MSG( kiface,
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wxT( "attempted DSO has a bug, failed to return a KIFACE*" ) );
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// Give the DSO a single chance to do its "process level" initialization.
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// "Process level" specifically means stay away from any projects in there.
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if( kiface->OnKifaceStart( m_program, m_ctl ) )
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{
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// Tell dso's wxDynamicLibrary destructor not to Unload() the program image.
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(void) dso.Detach();
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return m_kiface[aFaceId] = kiface;
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}
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}
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// In any of the failure cases above, dso.Unload() should be called here
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// by dso destructor.
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// However:
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// There is a file installation bug. We only look for KIFACE_I's which we know
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// to exist, and we did not find one. If we do not find one, this is an
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// installation bug.
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msg = wxString::Format( _(
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"Fatal Installation Bug. File:\n"
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"\"%s\"\ncould not be loaded\n" ), GetChars( dname ) );
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if( ! wxFileExists( dname ) )
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msg << _( "It is missing.\n" );
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else
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msg << _( "Perhaps a shared library (.dll or .so) file is missing.\n" );
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msg << _( "From command line: argv[0]:\n'" );
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msg << wxStandardPaths::Get().GetExecutablePath() << wxT( "'\n" );
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// This is a fatal error, one from which we cannot recover, nor do we want
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// to protect against in client code which would require numerous noisy
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// tests in numerous places. So we inform the user that the installation
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// is bad. This exception will likely not get caught until way up in the
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// wxApp derivative, at which point the process will exit gracefully.
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THROW_IO_ERROR( msg );
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}
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return NULL;
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}
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KIWAY::FACE_T KIWAY::KifaceType( FRAME_T aFrameType )
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{
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switch( aFrameType )
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{
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case FRAME_SCH:
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case FRAME_SCH_LIB_EDITOR:
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case FRAME_SCH_VIEWER:
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case FRAME_SCH_VIEWER_MODAL:
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case FRAME_SIMULATOR:
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return FACE_SCH;
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case FRAME_PCB:
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case FRAME_PCB_MODULE_EDITOR:
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case FRAME_PCB_MODULE_VIEWER:
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case FRAME_PCB_MODULE_VIEWER_MODAL:
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case FRAME_PCB_FOOTPRINT_WIZARD:
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case FRAME_PCB_DISPLAY3D:
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return FACE_PCB;
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case FRAME_CVPCB:
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case FRAME_CVPCB_DISPLAY:
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return FACE_CVPCB;
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case FRAME_GERBER:
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return FACE_GERBVIEW;
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case FRAME_PL_EDITOR:
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return FACE_PL_EDITOR;
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case FRAME_CALC:
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return FACE_PCB_CALCULATOR;
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case FRAME_BM2CMP:
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return FACE_BMP2CMP;
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default:
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return FACE_T( -1 );
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}
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}
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KIWAY_PLAYER* KIWAY::GetPlayerFrame( FRAME_T aFrameType )
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{
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if( m_playerFrameName[aFrameType].IsEmpty() )
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return NULL;
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return static_cast<KIWAY_PLAYER*>( wxWindow::FindWindowByName( m_playerFrameName[aFrameType] ) );
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}
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KIWAY_PLAYER* KIWAY::Player( FRAME_T aFrameType, bool doCreate, wxTopLevelWindow* aParent )
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{
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// Since this will be called from python, cannot assume that code will
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// not pass a bad aFrameType.
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if( unsigned( aFrameType ) >= KIWAY_PLAYER_COUNT )
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{
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// @todo : throw an exception here for python's benefit, at least that
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// way it gets some explanatory text.
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wxASSERT_MSG( 0, wxT( "caller has a bug, passed a bad aFrameType" ) );
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return NULL;
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}
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// return the previously opened window
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KIWAY_PLAYER* frame = GetPlayerFrame( aFrameType );
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if( frame )
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return frame;
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if( doCreate )
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{
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FACE_T face_type = KifaceType( aFrameType );
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wxASSERT( face_type != FACE_T(-1) );
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KIFACE* kiface = KiFACE( face_type );
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wxASSERT( kiface );
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if( kiface )
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{
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frame = (KIWAY_PLAYER*) kiface->CreateWindow(
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aParent, // Parent window of frame in modal mode, NULL in non modal mode
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aFrameType,
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this,
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m_ctl // questionable need, these same flags where passed
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// to the KIFACE::OnKifaceStart()
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);
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wxASSERT( frame );
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m_playerFrameName[aFrameType] = frame->GetName();
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return frame;
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}
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}
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return NULL;
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}
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bool KIWAY::PlayerClose( FRAME_T aFrameType, bool doForce )
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{
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// Since this will be called from python, cannot assume that code will
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// not pass a bad aFrameType.
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if( unsigned( aFrameType ) >= KIWAY_PLAYER_COUNT )
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{
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// @todo : throw an exception here for python's benefit, at least that
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// way it gets some explanatory text.
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wxASSERT_MSG( 0, wxT( "caller has a bug, passed a bad aFrameType" ) );
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return false;
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}
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KIWAY_PLAYER* frame = GetPlayerFrame( aFrameType );
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if( frame == NULL ) // Already closed
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return true;
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if( frame->Close( doForce ) )
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return true;
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return false;
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}
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bool KIWAY::PlayersClose( bool doForce )
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{
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bool ret = true;
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for( unsigned i=0; i < KIWAY_PLAYER_COUNT; ++i )
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{
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ret = ret && PlayerClose( FRAME_T( i ), doForce );
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}
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return ret;
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}
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void KIWAY::ExpressMail( FRAME_T aDestination,
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MAIL_T aCommand, std::string aPayload, wxWindow* aSource )
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{
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KIWAY_EXPRESS mail( aDestination, aCommand, aPayload, aSource );
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ProcessEvent( mail );
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}
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void KIWAY::SetLanguage( int aLanguage )
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{
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Pgm().SetLanguageIdentifier( aLanguage );
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Pgm().SetLanguage();
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#if 1
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// This is a risky hack that goes away if we allow the language to be
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// set only from the top most frame if !Kiface.IsSingle()
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// Only for the C++ project manager, and not for the python one and not for
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// single_top do we look for the EDA_BASE_FRAME as the top level window.
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// For single_top this is not needed because that window is registered in
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// the array below.
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if( m_ctl & KFCTL_CPP_PROJECT_SUITE )
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{
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// A dynamic_cast could be better, but creates link issues
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// (some basic_frame functions not found) on some platforms,
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// so a static_cast is used.
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EDA_BASE_FRAME* top = static_cast<EDA_BASE_FRAME*>( m_top );
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if( top )
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top->ShowChangedLanguage();
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}
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#endif
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for( unsigned i=0; i < KIWAY_PLAYER_COUNT; ++i )
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{
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KIWAY_PLAYER* frame = GetPlayerFrame( ( FRAME_T )i );
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if( frame )
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{
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frame->ShowChangedLanguage();
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}
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}
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}
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void KIWAY::CommonSettingsChanged()
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{
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#if 1
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if( m_ctl & KFCTL_CPP_PROJECT_SUITE )
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{
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// A dynamic_cast could be better, but creates link issues
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// (some basic_frame functions not found) on some platforms,
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// so a static_cast is used.
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EDA_BASE_FRAME* top = static_cast<EDA_BASE_FRAME*>( m_top );
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if( top )
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top->CommonSettingsChanged();
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}
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#endif
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for( unsigned i=0; i < KIWAY_PLAYER_COUNT; ++i )
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{
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KIWAY_PLAYER* frame = GetPlayerFrame( ( FRAME_T )i );
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if( frame )
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frame->CommonSettingsChanged();
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}
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}
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bool KIWAY::ProcessEvent( wxEvent& aEvent )
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{
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KIWAY_EXPRESS* mail = dynamic_cast<KIWAY_EXPRESS*>( &aEvent );
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if( mail )
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{
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FRAME_T dest = mail->Dest();
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// see if recipient is alive
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KIWAY_PLAYER* alive = Player( dest, false );
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if( alive )
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{
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#if 1
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return alive->ProcessEvent( aEvent );
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#else
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alive->KiwayMailIn( *mail );
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return true;
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#endif
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}
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}
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return false;
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}
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void KIWAY::OnKiwayEnd()
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{
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for( unsigned i=0; i < DIM( m_kiface ); ++i )
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{
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if( m_kiface[i] )
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m_kiface[i]->OnKifaceEnd();
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}
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}
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