+/*****************************************************************************
+** FILE IDENTIFICATION
+**
+** Name: dlgprojections.cpp
+** Purpose: Projection Collection Animation Dialog
+** Programmer: Kevin Rosenberg
+** Date Started: August 2000
+**
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: dlgprojections.cpp,v 1.1 2000/08/27 20:32:55 kevin Exp $
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License (version 2) as
+** published by the Free Software Foundation.
+**
+** 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
+******************************************************************************/
+
+#ifdef __GNUG__
+ #pragma implementation "dlgprojections.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/utils.h"
+ #include "wx/frame.h"
+ #include "wx/button.h"
+ #include "wx/stattext.h"
+ #include "wx/layout.h"
+ #include "wx/event.h"
+ #include "wx/intl.h"
+ #include "wx/settings.h"
+ #include "wx/dcclient.h"
+ #include "wx/timer.h"
+#endif
+
+#include "dlgprojections.h"
+#include "ct.h"
+
+
+static const int LAYOUT_X_MARGIN = 4;
+static const int LAYOUT_Y_MARGIN = 4;
+
+BEGIN_EVENT_TABLE(ProjectionsDialog, wxDialog)
+ EVT_BUTTON(wxID_CANCEL, ProjectionsDialog::OnCancel)
+ EVT_CLOSE(ProjectionsDialog::OnClose)
+END_EVENT_TABLE()
+
+IMPLEMENT_CLASS(ProjectionsDialog, wxDialog)
+
+
+ProjectionsDialog::ProjectionsDialog (Scanner& rScanner, Projections& rProj, const Phantom& rPhantom, const int iTrace, wxWindow *parent)
+ : wxDialog(parent, -1, "Collect Projections"), m_rScanner(rScanner), m_rProjections(rProj), m_rPhantom(rPhantom), m_pSGPDriver(NULL), m_pSGP(NULL), m_iTrace(iTrace), m_pDC(NULL)
+{
+ m_state = Continue;
+
+ m_parentTop = parent;
+ while ( m_parentTop && m_parentTop->GetParent() )
+ m_parentTop = m_parentTop->GetParent();
+
+ m_btnAbort = new wxButton(this, wxID_CANCEL, _("Cancel"));
+ wxLayoutConstraints* c = new wxLayoutConstraints;
+ c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
+ c->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
+
+ wxSize sizeBtn = wxButton::GetDefaultSize();
+ c->width.Absolute(sizeBtn.x);
+ c->height.Absolute(sizeBtn.y);
+
+ m_btnAbort->SetConstraints(c);
+
+ SetAutoLayout(TRUE);
+ Layout();
+
+ wxSize sizeDlg (600,600);
+ if (sizeDlg.x != sizeDlg.y) {
+ sizeDlg.x = max(sizeDlg.x,sizeDlg.y);
+ sizeDlg.y = max(sizeDlg.x,sizeDlg.y);
+ }
+ SetClientSize(sizeDlg);
+
+ Centre(wxCENTER_FRAME | wxBOTH);
+
+ if ( m_parentTop )
+ m_parentTop->Enable(FALSE);
+
+ Show(TRUE);
+ Enable(TRUE); // enable this window
+
+ m_pDC = dynamic_cast<wxDC*> (new wxClientDC (this));
+ int x, y;
+ this->GetClientSize(&x, &y);
+ m_pSGPDriver = new SGPDriver (m_pDC, x, y);
+ m_pSGP = new SGP (*m_pSGPDriver);
+
+ wxYield(); // Update the display
+
+#ifdef __WXMAC__
+ MacUpdateImmediately();
+#endif
+}
+
+bool
+ProjectionsDialog::projectView (int iViewNumber)
+{
+ if ( iViewNumber < m_rProjections.nView() ) {
+ m_rScanner.collectProjections (m_rProjections, m_rPhantom, iViewNumber, 1, true, m_iTrace, m_pSGP);
+ wxYield(); // update the display
+ } else {
+ m_state = Finished; // so that we return TRUE below and
+ // that [Cancel] handler knew what to do
+#if 0
+ if ( m_btnAbort )
+ m_btnAbort->SetLabel(_("Close")); // tell the user what he should do...
+ wxYield();
+
+ (void)ShowModal();
+#endif
+ }
+
+#ifdef __WXMAC__
+ MacUpdateImmediately();
+#endif
+
+ return m_state != Canceled;
+}
+
+
+// EVENT HANDLERS
+
+void ProjectionsDialog::OnCancel (wxCommandEvent& event)
+{
+ if ( m_state == Finished ) {
+ // this means that the count down is already finished and we're being
+ // shown as a modal dialog - so just let the default handler do the job
+ event.Skip();
+ } else {
+ // request to cancel was received, the next time Update() is called we
+ // will handle it
+ m_state = Canceled;
+
+ // update the button state immediately so that the user knows that the
+ // request has been noticed
+ m_btnAbort->Disable();
+ }
+}
+
+void ProjectionsDialog::OnClose(wxCloseEvent& event)
+{
+ if ( m_state == Uncancelable )
+ event.Veto(TRUE); // can't close this dialog
+ else if ( m_state == Finished )
+ event.Skip(); // let the default handler close the window as we already terminated
+ else
+ m_state = Canceled; // next Update() will notice it
+}
+
+
+/////////////////////////////////////////////////////
+// destruction
+
+ProjectionsDialog::~ProjectionsDialog()
+{
+ if ( m_parentTop )
+ m_parentTop->Enable(TRUE);
+
+ delete m_pSGP;
+ delete m_pSGPDriver;
+ delete m_pDC;
+}
+