wxWidgets/user/wxLayout/wxLayout.cpp

/*
 * Program: wxLayout
 * 
 * Author: Karsten Ballüder
 *
 * Copyright: (C) 1998, Karsten Ballüder <Ballueder@usa.net>
 *
 */

#ifdef __GNUG__
#pragma implementation "wxLayout.h"
#endif

#include "wxLayout.h"
#include "wx/textfile.h"


#include   "Micon.xpm"

// for testing only:
#include   <stdio.h>

//-----------------------------------------------------------------------------
// main program
//-----------------------------------------------------------------------------

IMPLEMENT_APP(MyApp)

//-----------------------------------------------------------------------------
// MyFrame
//-----------------------------------------------------------------------------

   enum ids{ ID_EDIT = 1, ID_ADD_SAMPLE, ID_CLEAR, ID_PRINT,
             ID_PRINT_SETUP, ID_PAGE_SETUP, ID_PREVIEW, ID_PRINT_PS,
             ID_PRINT_SETUP_PS, ID_PAGE_SETUP_PS,ID_PREVIEW_PS,
             ID_DPRINT, ID_WRAP, ID_NOWRAP,
             ID_WXLAYOUT_DEBUG, ID_QUIT, ID_CLICK, ID_HTML, ID_TEXT, ID_TEST };


IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )

   BEGIN_EVENT_TABLE(MyFrame,wxFrame)
    EVT_MENU(ID_PRINT, MyFrame::OnPrint)
    EVT_MENU(ID_PREVIEW, MyFrame::OnPrintPreview)
    EVT_MENU(ID_PRINT_SETUP, MyFrame::OnPrintSetup)
    EVT_MENU(ID_PAGE_SETUP, MyFrame::OnPageSetup)
    EVT_MENU(ID_PRINT_PS, MyFrame::OnPrintPS)
    EVT_MENU(ID_PREVIEW_PS, MyFrame::OnPrintPreviewPS)
    EVT_MENU(ID_PRINT_SETUP_PS, MyFrame::OnPrintSetupPS)
    EVT_MENU(ID_PAGE_SETUP_PS, MyFrame::OnPageSetupPS)
    EVT_MENU    (-1,       MyFrame::OnCommand)
    EVT_COMMAND (-1,-1,    MyFrame::OnCommand)
    EVT_CHAR    (  wxLayoutWindow::OnChar  )
   END_EVENT_TABLE()


int orientation = wxPORTRAIT;

MyFrame::MyFrame(void) :
      wxFrame( (wxFrame *) NULL, -1, (char *) "wxLayout", wxPoint(20,20), wxSize(600,360) )
{
   CreateStatusBar( 1 );
  
   SetStatusText( "wxLayout by Karsten Ballüder." );

   wxMenu *file_menu = new wxMenu;
   file_menu->Append( ID_CLEAR, "Clear");
   file_menu->Append( ID_ADD_SAMPLE, "Example");
//   file_menu->Append( ID_EDIT, "Edit");
//   file_menu->Append( ID_WXLAYOUT_DEBUG, "Debug");

  file_menu->Append(ID_PRINT, "&Print...", "Print");
  file_menu->Append(ID_PRINT_SETUP, "Print &Setup...","Setup printer properties");
  file_menu->Append(ID_PAGE_SETUP, "Page Set&up...", "Page setup");
  file_menu->Append(ID_PREVIEW, "Print Pre&view", "Preview");
#ifdef __WXMSW__
  file_menu->AppendSeparator();
  file_menu->Append(ID_PRINT_PS, "Print PostScript...", "Print (PostScript)");
  file_menu->Append(ID_PRINT_SETUP_PS, "Print Setup PostScript...", "Setup printer properties (PostScript)");
  file_menu->Append(ID_PAGE_SETUP_PS, "Page Setup PostScript...", "Page setup (PostScript)");
  file_menu->Append(ID_PREVIEW_PS, "Print Preview PostScript", "Preview (PostScript)");
#endif
  file_menu->AppendSeparator();
  file_menu->Append(ID_WRAP, "Wrap mode", "Activate wrapping at pixel 200.");
  file_menu->Append(ID_NOWRAP, "No-wrap mode", "Deactivate wrapping.");

  file_menu->AppendSeparator();
//   file_menu->Append( ID_DPRINT, "Direct Print");
   file_menu->Append( ID_TEXT, "Export Text");
   file_menu->Append( ID_HTML, "Export HTML");
//   file_menu->Append( ID_TEST, "Test");
   file_menu->Append( ID_QUIT, "Exit");
  
   wxMenuBar *menu_bar = new wxMenuBar();
   menu_bar->Append(file_menu, "File" );

#ifndef __WXMSW__
   menu_bar->Show( TRUE );
#endif // MSW
  
   SetMenuBar( menu_bar );

   m_lwin = new wxLayoutWindow(this);
   m_lwin->SetMouseTracking(true);
   m_lwin->GetLayoutList().SetEditable(true);
   m_lwin->Clear(wxROMAN,16,wxNORMAL,wxNORMAL, false);
   m_lwin->SetFocus();
};

void
MyFrame::AddSampleText(wxLayoutList &llist)
{
   llist.SetFont(wxROMAN,16,wxNORMAL,wxNORMAL, false);
   llist.Insert("--");
   llist.LineBreak();

   llist.SetFont(wxROMAN);
   llist.Insert("The quick brown fox jumps over the lazy dog.");
   llist.LineBreak();
   llist.Insert("Hello ");
   llist.Insert(new wxLayoutObjectIcon(new wxICON(Micon)));
   llist.LineBreak();
   llist.SetFontWeight(wxBOLD);
   llist.Insert("World! ");
   llist.SetFontWeight(wxNORMAL);
   llist.Insert("The quick brown fox jumps...");
   llist.LineBreak();

   llist.Insert("over the lazy dog.");
   llist.SetFont(-1,-1,-1,-1,true);
   llist.Insert("underlined");
   llist.SetFont(-1,-1,-1,-1,false);
   llist.SetFont(wxROMAN);
   llist.Insert("This is ");
   llist.SetFont(-1,-1,-1,wxBOLD);  llist.Insert("BOLD ");  llist.SetFont(-1,-1,-1,wxNORMAL);
   llist.Insert("and ");
   llist.SetFont(-1,-1,wxITALIC);
   llist.Insert("italics ");
   llist.SetFont(-1,-1,wxNORMAL);
   llist.LineBreak();
  
   llist.Insert("and ");
   llist.SetFont(-1,-1,wxSLANT);
   llist.Insert("slanted");
   llist.SetFont(-1,-1,wxNORMAL);
   llist.Insert(" text.");
   llist.LineBreak();

   llist.Insert("and ");
   llist.SetFont(-1,-1,-1,-1,-1,"blue");
   llist.Insert("blue");
   llist.SetFont(-1,-1,-1,-1,-1,"black");
   llist.Insert(" and ");
   llist.SetFont(-1,-1,-1,-1,-1,"green","black");
   llist.Insert("green on black");
   llist.SetFont(-1,-1,-1,-1,-1,"black","white");
   llist.Insert(" text.");
   llist.LineBreak();

   llist.SetFont(-1,-1,wxSLANT);
   llist.Insert("Slanted");
   llist.SetFont(-1,-1,wxNORMAL);
   llist.Insert(" and normal text and ");
   llist.SetFont(-1,-1,wxSLANT);
   llist.Insert("slanted");
   llist.SetFont(-1,-1,wxNORMAL);
   llist.Insert(" again.");
   llist.LineBreak();

   // add some more text for testing:
   llist.Insert("And here the source for the test program:");
   llist.LineBreak();
   llist.SetFont(wxTELETYPE,16);
   char buffer[1024];
   FILE *in = fopen("wxLayout.cpp","r");
   if(in)
   {
      for(;;)
      {
         fgets(buffer,1024,in);
         if(feof(in))
            break;
         llist.Insert(buffer);
         llist.LineBreak();
      }
   }
   
   m_lwin->Refresh();
   m_lwin->UpdateScrollbars();
   llist.SetEditable();
   llist.SetCursor(wxPoint(0,0));
}

void
MyFrame::Clear(void)
{
   m_lwin->Clear(wxROMAN,16,wxNORMAL,wxNORMAL, false);
   m_lwin->UpdateScrollbars();
}

/* test the editing */
void MyFrame::Edit(void)
{
   wxLayoutList & llist = m_lwin->GetLayoutList();
   //m_lwin->SetEventId(ID_CLICK);
  
   llist.MoveCursor(0);
   llist.MoveCursor(5);
   llist.MoveCursor(0,2);
   llist.Delete(2);
   llist.MoveCursor(2);
   llist.Insert("not");
   llist.LineBreak();
   m_lwin->Refresh();
}

void MyFrame::OnCommand( wxCommandEvent &event )
{
   cerr << "id:" << event.GetId() << endl;
   switch (event.GetId())
   {
   case ID_QUIT:
      Close( TRUE );
      break;
   case ID_PRINT:
{
   wxPrinter printer;
   wxLayoutPrintout printout(m_lwin->GetLayoutList(),_("M: Printout"));
   if (! printer.Print(this, &printout, TRUE))
      wxMessageBox(                           
         _("There was a problem with printing the message:\n"
           "perhaps your current printer is not set up correctly?"),
         _("Printing"), wxOK);
}
      break;
   case ID_NOWRAP:
   case ID_WRAP:
      m_lwin->GetLayoutList().SetWrapMargin(
         event.GetId() == ID_NOWRAP ? -1 : 40);
      break;
   case ID_DPRINT:
   {
      wxLayoutList llist;
      AddSampleText(llist);
      wxPostScriptDC   dc("layout.ps",true,this);
      if (dc.Ok() && dc.StartDoc((char *)_("Printing message...")))
      {
         //dc.SetUserScale(1.0, 1.0);
         llist.Draw(dc); //,false,wxPoint(0,0),true);
         dc.EndDoc();
      }
   }
   break;
   case ID_EDIT:
      Edit();
      break;
   case ID_ADD_SAMPLE:
      AddSampleText(m_lwin->GetLayoutList());
      break;
   case ID_CLEAR:
      Clear();
      break;
   case ID_WXLAYOUT_DEBUG:
      m_lwin->GetLayoutList().Debug();
      break;
   case ID_CLICK:
      cerr << "Received click event." << endl;
      break;
   case ID_HTML:
   {
      wxLayoutExportObject *export;
      wxLayoutList::iterator i = m_lwin->GetLayoutList().begin();

      while((export = wxLayoutExport(m_lwin->GetLayoutList(),
                                     i,WXLO_EXPORT_AS_HTML)) != NULL)
      {
         if(export->type == WXLO_EXPORT_HTML)
            cout << *(export->content.text);
         else
            cout << "<!--UNKNOWN OBJECT>";
         delete export;
      }
   }
   break;
   case ID_TEXT:
   {
      wxLayoutExportObject *export;
      wxLayoutList::iterator i = m_lwin->GetLayoutList().begin();

      while((export = wxLayoutExport(m_lwin->GetLayoutList(),
                                     i,WXLO_EXPORT_AS_TEXT)) != NULL)
      {
         if(export->type == WXLO_EXPORT_TEXT)
            cout << *(export->content.text);
         else
            cout << "<!--UNKNOWN OBJECT>";
         delete export;
      }
   }
   break;
   }
};

void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
{
#ifdef __WXMSW__
      wxGetApp().SetPrintMode(wxPRINT_WINDOWS);
#else
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);
#endif
      wxPrinter printer;
      wxLayoutPrintout printout( m_lwin->GetLayoutList(),"Printout from wxLayout");
      if (! printer.Print(this, &printout, TRUE))
         wxMessageBox(
            "There was a problem printing.\nPerhaps your current printer is not set correctly?",
            "Printing", wxOK);  
}

void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event))
{
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);

      wxPostScriptPrinter printer;
      wxLayoutPrintout printout( m_lwin->GetLayoutList(),"My printout");
      printer.Print(this, &printout, TRUE);
}

void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event))
{
#ifdef __WXMSW__
      wxGetApp().SetPrintMode(wxPRINT_WINDOWS);
#else
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);
#endif
      wxPrintData printData;
      printData.SetOrientation(orientation);

      // Pass two printout objects: for preview, and possible printing.
      wxPrintPreview *preview = new wxPrintPreview(new
                                                   wxLayoutPrintout(
                                                      m_lwin->GetLayoutList()), new wxLayoutPrintout( m_lwin->GetLayoutList()), & printData);  
      if (!preview->Ok())
      {
        delete preview;
        wxMessageBox("There was a problem previewing.\nPerhaps your current printer is not set correctly?", "Previewing", wxOK);
        return;
      }
      
      wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650));
      frame->Centre(wxBOTH);
      frame->Initialize();
      frame->Show(TRUE);
}

void MyFrame::OnPrintPreviewPS(wxCommandEvent& WXUNUSED(event))
{
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);

      wxPrintData printData;
      printData.SetOrientation(orientation);

      // Pass two printout objects: for preview, and possible printing.
      wxPrintPreview *preview = new wxPrintPreview(new wxLayoutPrintout( m_lwin->GetLayoutList()), new wxLayoutPrintout( m_lwin->GetLayoutList()), & printData);
      wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650));
      frame->Centre(wxBOTH);
      frame->Initialize();
      frame->Show(TRUE);
}

void MyFrame::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
{
#ifdef __WXMSW__
      wxGetApp().SetPrintMode(wxPRINT_WINDOWS);
#else
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);
#endif
      wxPrintData data;
      data.SetOrientation(orientation);

#ifdef __WXMSW__
      wxPrintDialog printerDialog(this, & data);
#else
      wxGenericPrintDialog printerDialog(this, & data);
#endif
      printerDialog.GetPrintData().SetSetupDialog(TRUE);
      printerDialog.ShowModal();

      orientation = printerDialog.GetPrintData().GetOrientation();
}

void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
{
#ifdef __WXMSW__
      wxGetApp().SetPrintMode(wxPRINT_WINDOWS);
#else
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);
#endif
      wxPageSetupData data;
      data.SetOrientation(orientation);

#ifdef __WXMSW__
      wxPageSetupDialog pageSetupDialog(this, & data);
#else
      wxGenericPageSetupDialog pageSetupDialog(this, & data);
#endif
      pageSetupDialog.ShowModal();

      data = pageSetupDialog.GetPageSetupData();
      orientation = data.GetOrientation();
}

void MyFrame::OnPrintSetupPS(wxCommandEvent& WXUNUSED(event))
{
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);

      wxPrintData data;
      data.SetOrientation(orientation);

      wxGenericPrintDialog printerDialog(this, & data);
      printerDialog.GetPrintData().SetSetupDialog(TRUE);
      printerDialog.ShowModal();

      orientation = printerDialog.GetPrintData().GetOrientation();
}

void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event))
{
      wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT);

      wxPageSetupData data;
      data.SetOrientation(orientation);

      wxGenericPageSetupDialog pageSetupDialog(this, & data);
      pageSetupDialog.ShowModal();

      orientation = pageSetupDialog.GetPageSetupData().GetOrientation();
}


//-----------------------------------------------------------------------------
// MyApp
//-----------------------------------------------------------------------------

MyApp::MyApp(void) : 
   wxApp( )
{
};

bool MyApp::OnInit(void)
{
   wxFrame *frame = new MyFrame();
   frame->Show( TRUE );
//   wxSetAFMPath("/usr/local/src/wxWindows/misc/afm/");
   return TRUE;
};