///////////////////////////////////////////////////////////////////////////// // Name: typetest.cpp // Purpose: Types wxWidgets sample // Author: Julian Smart // Modified by: // Created: 04/01/98 // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/wx.h" #endif #include "wx/variant.h" #include "wx/mimetype.h" #include "typetest.h" #ifndef wxHAS_IMAGES_IN_RESOURCES #include "../sample.xpm" #endif #ifdef new #undef new #endif #include "wx/ioswrap.h" #if wxUSE_IOSTREAMH #include #else #include #endif #include "wx/wfstream.h" #include "wx/datstrm.h" #include "wx/txtstrm.h" #include "wx/mstream.h" // Create a new application object IMPLEMENT_APP (MyApp) IMPLEMENT_DYNAMIC_CLASS (MyApp, wxApp) BEGIN_EVENT_TABLE(MyApp, wxApp) EVT_MENU(TYPES_VARIANT, MyApp::DoVariantDemo) EVT_MENU(TYPES_BYTEORDER, MyApp::DoByteOrderDemo) #if wxUSE_UNICODE EVT_MENU(TYPES_UNICODE, MyApp::DoUnicodeDemo) #endif // wxUSE_UNICODE EVT_MENU(TYPES_STREAM, MyApp::DoStreamDemo) EVT_MENU(TYPES_STREAM2, MyApp::DoStreamDemo2) EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3) EVT_MENU(TYPES_STREAM4, MyApp::DoStreamDemo4) EVT_MENU(TYPES_STREAM5, MyApp::DoStreamDemo5) EVT_MENU(TYPES_STREAM6, MyApp::DoStreamDemo6) EVT_MENU(TYPES_STREAM7, MyApp::DoStreamDemo7) EVT_MENU(TYPES_MIME, MyApp::DoMIMEDemo) END_EVENT_TABLE() wxString file_name = wxT("test_wx.dat"); wxString file_name2 = wxString(wxT("test_wx2.dat")); bool MyApp::OnInit() { if ( !wxApp::OnInit() ) return false; // Create the main frame window MyFrame *frame = new MyFrame((wxFrame *) NULL, wxT("wxWidgets Types Demo"), wxPoint(50, 50), wxSize(450, 340)); // Give it an icon frame->SetIcon(wxICON(sample)); // Make a menubar wxMenu *file_menu = new wxMenu; file_menu->Append(TYPES_ABOUT, wxT("&About")); file_menu->AppendSeparator(); file_menu->Append(TYPES_QUIT, wxT("E&xit\tAlt-X")); wxMenu *test_menu = new wxMenu; test_menu->Append(TYPES_VARIANT, wxT("&Variant test")); test_menu->Append(TYPES_BYTEORDER, wxT("&Byteorder test")); #if wxUSE_UNICODE test_menu->Append(TYPES_UNICODE, wxT("&Unicode test")); #endif // wxUSE_UNICODE test_menu->Append(TYPES_STREAM, wxT("&Stream test")); test_menu->Append(TYPES_STREAM2, wxT("&Stream seek test")); test_menu->Append(TYPES_STREAM3, wxT("&Stream error test")); test_menu->Append(TYPES_STREAM4, wxT("&Stream buffer test")); test_menu->Append(TYPES_STREAM5, wxT("&Stream peek test")); test_menu->Append(TYPES_STREAM6, wxT("&Stream ungetch test")); test_menu->Append(TYPES_STREAM7, wxT("&Stream ungetch test for a buffered stream")); test_menu->AppendSeparator(); test_menu->Append(TYPES_MIME, wxT("&MIME database test")); wxMenuBar *menu_bar = new wxMenuBar; menu_bar->Append(file_menu, wxT("&File")); menu_bar->Append(test_menu, wxT("&Tests")); frame->SetMenuBar(menu_bar); m_textCtrl = new wxTextCtrl(frame, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); // Show the frame frame->Show(true); return true; } void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << wxT("\nTest fstream vs. wxFileStream:\n\n"); textCtrl.WriteText( wxT("Writing to ofstream and wxFileOutputStream:\n") ); wxSTD ofstream std_file_output( "test_std.dat" ); wxFileOutputStream file_output( file_name ); wxBufferedOutputStream buf_output( file_output ); wxTextOutputStream text_output( buf_output ); wxString tmp; signed int si = 0xFFFFFFFF; tmp.Printf( wxT("Signed int: %d\n"), si ); textCtrl.WriteText( tmp ); text_output << si << wxT("\n"); std_file_output << si << "\n"; unsigned int ui = 0xFFFFFFFF; tmp.Printf( wxT("Unsigned int: %u\n"), ui ); textCtrl.WriteText( tmp ); text_output << ui << wxT("\n"); std_file_output << ui << "\n"; double d = 2.01234567890123456789; tmp.Printf( wxT("Double: %f\n"), d ); textCtrl.WriteText( tmp ); text_output << d << wxT("\n"); std_file_output << d << "\n"; float f = (float)0.00001; tmp.Printf( wxT("Float: %f\n"), f ); textCtrl.WriteText( tmp ); text_output << f << wxT("\n"); std_file_output << f << "\n"; wxString str( wxT("Hello!") ); tmp.Printf( wxT("String: %s\n"), str.c_str() ); textCtrl.WriteText( tmp ); text_output << str << wxT("\n"); std_file_output << str.ToAscii() << "\n"; std_file_output.close(); textCtrl.WriteText( wxT("\nReading from ifstream:\n") ); wxSTD ifstream std_file_input( "test_std.dat" ); std_file_input >> si; tmp.Printf( wxT("Signed int: %d\n"), si ); textCtrl.WriteText( tmp ); std_file_input >> ui; tmp.Printf( wxT("Unsigned int: %u\n"), ui ); textCtrl.WriteText( tmp ); std_file_input >> d; tmp.Printf( wxT("Double: %f\n"), d ); textCtrl.WriteText( tmp ); std_file_input >> f; tmp.Printf( wxT("Float: %f\n"), f ); textCtrl.WriteText( tmp ); char std_buf[200]; std_file_input >> std_buf; str = wxString::FromAscii(std_buf); tmp.Printf( wxT("String: %s\n"), str.c_str() ); textCtrl.WriteText( tmp ); textCtrl.WriteText( wxT("\nReading from wxFileInputStream:\n") ); buf_output.Sync(); wxFileInputStream file_input( file_name ); wxBufferedInputStream buf_input( file_input ); wxTextInputStream text_input( file_input ); text_input >> si; tmp.Printf( wxT("Signed int: %d\n"), si ); textCtrl.WriteText( tmp ); text_input >> ui; tmp.Printf( wxT("Unsigned int: %u\n"), ui ); textCtrl.WriteText( tmp ); text_input >> d; tmp.Printf( wxT("Double: %f\n"), d ); textCtrl.WriteText( tmp ); text_input >> f; tmp.Printf( wxT("Float: %f\n"), f ); textCtrl.WriteText( tmp ); text_input >> str; tmp.Printf( wxT("String: %s\n"), str.c_str() ); textCtrl.WriteText( tmp ); textCtrl << wxT("\nTest for wxDataStream:\n\n"); textCtrl.WriteText( wxT("Writing to wxDataOutputStream:\n") ); file_output.SeekO( 0 ); wxDataOutputStream data_output( buf_output ); wxInt16 i16 = (unsigned short)0xFFFF; tmp.Printf( wxT("Signed int16: %d\n"), (int)i16 ); textCtrl.WriteText( tmp ); data_output.Write16( i16 ); wxUint16 ui16 = 0xFFFF; tmp.Printf( wxT("Unsigned int16: %u\n"), (unsigned int) ui16 ); textCtrl.WriteText( tmp ); data_output.Write16( ui16 ); d = 2.01234567890123456789; tmp.Printf( wxT("Double: %f\n"), d ); textCtrl.WriteText( tmp ); data_output.WriteDouble( d ); str = wxT("Hello!"); tmp.Printf( wxT("String: %s\n"), str.c_str() ); textCtrl.WriteText( tmp ); data_output.WriteString( str ); buf_output.Sync(); textCtrl.WriteText( wxT("\nReading from wxDataInputStream:\n") ); file_input.SeekI( 0 ); wxDataInputStream data_input( buf_input ); i16 = data_input.Read16(); tmp.Printf( wxT("Signed int16: %d\n"), (int)i16 ); textCtrl.WriteText( tmp ); ui16 = data_input.Read16(); tmp.Printf( wxT("Unsigned int16: %u\n"), (unsigned int) ui16 ); textCtrl.WriteText( tmp ); d = data_input.ReadDouble(); tmp.Printf( wxT("Double: %f\n"), d ); textCtrl.WriteText( tmp ); str = data_input.ReadString(); tmp.Printf( wxT("String: %s\n"), str.c_str() ); textCtrl.WriteText( tmp ); } void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << wxT("\nTesting wxBufferedStream:\n\n"); char ch,ch2; textCtrl.WriteText( wxT("Writing number 0 to 9 to buffered wxFileOutputStream:\n\n") ); wxFileOutputStream file_output( file_name ); wxBufferedOutputStream buf_output( file_output ); for (ch = 0; ch < 10; ch++) buf_output.Write( &ch, 1 ); buf_output.Sync(); wxFileInputStream file_input( file_name ); for (ch2 = 0; ch2 < 10; ch2++) { file_input.Read( &ch, 1 ); textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); } textCtrl.WriteText( wxT("\n\n\n") ); textCtrl.WriteText( wxT("Writing number 0 to 9 to buffered wxFileOutputStream, then\n") ); textCtrl.WriteText( wxT("seeking back to #3 and writing 0:\n\n") ); wxFileOutputStream file_output2( file_name2 ); wxBufferedOutputStream buf_output2( file_output2 ); for (ch = 0; ch < 10; ch++) buf_output2.Write( &ch, 1 ); buf_output2.SeekO( 3 ); ch = 0; buf_output2.Write( &ch, 1 ); buf_output2.Sync(); wxFileInputStream file_input2( file_name2 ); for (ch2 = 0; ch2 < 10; ch2++) { file_input2.Read( &ch, 1 ); textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); } textCtrl.WriteText( wxT("\n\n\n") ); // now append 2000 bytes to file (bigger than buffer) buf_output2.SeekO( 0, wxFromEnd ); ch = 1; for (int i = 0; i < 2000; i++) buf_output2.Write( &ch, 1 ); buf_output2.Sync(); textCtrl.WriteText( wxT("Reading number 0 to 9 from buffered wxFileInputStream, then\n") ); textCtrl.WriteText( wxT("seeking back to #3 and reading the 0:\n\n") ); wxFileInputStream file_input3( file_name2 ); wxBufferedInputStream buf_input3( file_input3 ); for (ch2 = 0; ch2 < 10; ch2++) { buf_input3.Read( &ch, 1 ); textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); } for (int j = 0; j < 2000; j++) buf_input3.Read( &ch, 1 ); textCtrl.WriteText( wxT("\n") ); buf_input3.SeekI( 3 ); buf_input3.Read( &ch, 1 ); textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); textCtrl.WriteText( wxT("\n\n\n") ); } void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << wxT("\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n"); char ch,ch2; textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); wxFileOutputStream file_output( file_name ); for (ch = 0; ch < 10; ch++) file_output.Write( &ch, 1 ); // Testing wxFileInputStream textCtrl.WriteText( wxT("Reading 0 to 10 to wxFileInputStream:\n\n") ); wxFileInputStream file_input( file_name ); for (ch2 = 0; ch2 < 11; ch2++) { file_input.Read( &ch, 1 ); textCtrl.WriteText( wxT("Value read: ") ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); switch (file_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } } textCtrl.WriteText( wxT("\n") ); textCtrl.WriteText( wxT("Seeking to 0; stream.GetLastError() returns: ") ); file_input.SeekI( 0 ); switch (file_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } textCtrl.WriteText( wxT("\n") ); file_input.Read( &ch, 1 ); textCtrl.WriteText( wxT("Value read: ") ); textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); switch (file_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } textCtrl.WriteText( wxT("\n\n") ); // Testing wxFFileInputStream textCtrl.WriteText( wxT("Reading 0 to 10 to wxFFileInputStream:\n\n") ); wxFFileInputStream ffile_input( file_name ); for (ch2 = 0; ch2 < 11; ch2++) { ffile_input.Read( &ch, 1 ); textCtrl.WriteText( wxT("Value read: ") ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); switch (ffile_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } } textCtrl.WriteText( wxT("\n") ); textCtrl.WriteText( wxT("Seeking to 0; stream.GetLastError() returns: ") ); ffile_input.SeekI( 0 ); switch (ffile_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } textCtrl.WriteText( wxT("\n") ); ffile_input.Read( &ch, 1 ); textCtrl.WriteText( wxT("Value read: ") ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); switch (ffile_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } textCtrl.WriteText( wxT("\n\n") ); // Testing wxFFileInputStream textCtrl.WriteText( wxT("Reading 0 to 10 to buffered wxFFileInputStream:\n\n") ); wxFFileInputStream ffile_input2( file_name ); wxBufferedInputStream buf_input( ffile_input2 ); for (ch2 = 0; ch2 < 11; ch2++) { buf_input.Read( &ch, 1 ); textCtrl.WriteText( wxT("Value read: ") ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } } textCtrl.WriteText( wxT("\n") ); textCtrl.WriteText( wxT("Seeking to 0; stream.GetLastError() returns: ") ); buf_input.SeekI( 0 ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } textCtrl.WriteText( wxT("\n") ); buf_input.Read( &ch, 1 ); textCtrl.WriteText( wxT("Value read: ") ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } } void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); wxString msg; textCtrl.Clear(); textCtrl << wxT("\nTesting wxStreamBuffer:\n\n"); // bigger than buffer textCtrl.WriteText( wxT("Writing 2000x 1 to wxFileOutputStream.\n\n") ); wxFileOutputStream file_output( file_name ); for (int i = 0; i < 2000; i++) { char ch = 1; file_output.Write( &ch, 1 ); } textCtrl.WriteText( wxT("Opening with a buffered wxFileInputStream:\n\n") ); wxFileInputStream file_input( file_name ); wxBufferedInputStream buf_input( file_input ); textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( wxT("\n\n") ); textCtrl.WriteText( wxT("Seeking to position 300:\n\n") ); buf_input.SeekI( 300 ); textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( wxT("\n\n") ); char buf[2000]; textCtrl.WriteText( wxT("Reading 500 bytes:\n\n") ); buf_input.Read( buf, 500 ); textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( wxT("\n\n") ); textCtrl.WriteText( wxT("Reading another 500 bytes:\n\n") ); buf_input.Read( buf, 500 ); textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( wxT("\n\n") ); textCtrl.WriteText( wxT("Reading another 500 bytes:\n\n") ); buf_input.Read( buf, 500 ); textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( wxT("\n\n") ); textCtrl.WriteText( wxT("Reading another 500 bytes:\n\n") ); buf_input.Read( buf, 500 ); textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; default: textCtrl.WriteText( wxT("Huh?\n") ); break; } msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( wxT("\n\n") ); } void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << wxT("\nTesting wxFileInputStream's Peek():\n\n"); char ch; wxString str; textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); wxFileOutputStream file_output( file_name ); for (ch = 0; ch < 10; ch++) file_output.Write( &ch, 1 ); file_output.Sync(); wxFileInputStream file_input( file_name ); ch = file_input.Peek(); str.Printf( wxT("First char peeked: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = file_input.GetC(); str.Printf( wxT("First char read: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = file_input.Peek(); str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = file_input.GetC(); str.Printf( wxT("Second char read: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = file_input.Peek(); str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = file_input.GetC(); str.Printf( wxT("Third char read: %d\n"), (int) ch ); textCtrl.WriteText( str ); textCtrl << wxT("\n\n\nTesting wxMemoryInputStream's Peek():\n\n"); char buf[] = { 0,1,2,3,4,5,6,7,8,9,10 }; wxMemoryInputStream input( buf, 10 ); ch = input.Peek(); str.Printf( wxT("First char peeked: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = input.GetC(); str.Printf( wxT("First char read: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = input.Peek(); str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = input.GetC(); str.Printf( wxT("Second char read: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = input.Peek(); str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); textCtrl.WriteText( str ); ch = input.GetC(); str.Printf( wxT("Third char read: %d\n"), (int) ch ); textCtrl.WriteText( str ); } void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl.WriteText( wxT("\nTesting Ungetch():\n\n") ); char ch = 0; wxString str; textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); wxFileOutputStream file_output( file_name ); for (ch = 0; ch < 10; ch++) file_output.Write( &ch, 1 ); file_output.Sync(); textCtrl.WriteText( wxT("Reading char from wxFileInputStream:\n\n") ); wxFileInputStream file_input( file_name ); ch = file_input.GetC(); size_t pos = (size_t)file_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading another char from wxFileInputStream:\n\n") ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading yet another char from wxFileInputStream:\n\n") ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxFileInputStream...\n\n") ); file_input.Ungetch( 5 ); pos = (size_t)file_input.TellI(); str.Printf( wxT("Now at position %d\n\n"), (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading char from wxFileInputStream:\n\n") ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading another char from wxFileInputStream:\n\n") ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n") ); file_input.Ungetch( 5 ); pos = (size_t)file_input.TellI(); str.Printf( wxT("Now at position %d\n\n"), (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Seeking to pos 3 in wxFileInputStream. This invalidates the writeback buffer.\n\n") ); file_input.SeekI( 3 ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); } void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl.WriteText( wxT("\nTesting Ungetch() in buffered input stream:\n\n") ); char ch = 0; wxString str; textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); wxFileOutputStream file_output( file_name ); for (ch = 0; ch < 10; ch++) file_output.Write( &ch, 1 ); file_output.Sync(); textCtrl.WriteText( wxT("Reading char from wxBufferedInputStream via wxFileInputStream:\n\n") ); wxFileInputStream file_input( file_name ); wxBufferedInputStream buf_input( file_input ); ch = buf_input.GetC(); size_t pos = (size_t)buf_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading another char from wxBufferedInputStream:\n\n") ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading yet another char from wxBufferedInputStream:\n\n") ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n") ); buf_input.Ungetch( 5 ); pos = (size_t)buf_input.TellI(); str.Printf( wxT("Now at position %d\n\n"), (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading char from wxBufferedInputStream:\n\n") ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Reading another char from wxBufferedInputStream:\n\n") ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n") ); buf_input.Ungetch( 5 ); pos = (size_t)buf_input.TellI(); str.Printf( wxT("Now at position %d\n\n"), (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( wxT("Seeking to pos 3 in wxBufferedInputStream. This invalidates the writeback buffer.\n\n") ); buf_input.SeekI( 3 ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); textCtrl.WriteText( str ); } #if wxUSE_UNICODE void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << wxT("\nTest wchar_t to char (Unicode to ANSI/Multibyte) converions:"); wxString str; str = wxT("Robert R\366bling\n"); printf( "\n\nConversion with wxConvLocal:\n" ); wxConvCurrent = &wxConvLocal; puts( str.mbc_str() ); printf( "\n\nConversion with wxConvLibc:\n" ); wxConvCurrent = &wxConvLibc; puts( str.mbc_str() ); } #endif void MyApp::DoMIMEDemo(wxCommandEvent& WXUNUSED(event)) { static wxString s_defaultExt = wxT("xyz"); wxString ext = wxGetTextFromUser(wxT("Enter a file extension: "), wxT("MIME database test"), s_defaultExt); if ( !!ext ) { s_defaultExt = ext; // init MIME database if not done yet if ( !m_mimeDatabase ) { m_mimeDatabase = new wxMimeTypesManager; static const wxFileTypeInfo fallbacks[] = { wxFileTypeInfo(wxT("application/xyz"), wxT("XyZ %s"), wxT("XyZ -p %s"), wxT("The one and only XYZ format file"), wxT("xyz"), wxT("123"), wxNullPtr), wxFileTypeInfo(wxT("text/html"), wxT("lynx %s"), wxT("lynx -dump %s | lpr"), wxT("HTML document (from fallback)"), wxT("htm"), wxT("html"), wxNullPtr), // must terminate the table with this! wxFileTypeInfo() }; m_mimeDatabase->AddFallbacks(fallbacks); } wxTextCtrl& textCtrl = * GetTextCtrl(); wxFileType *filetype = m_mimeDatabase->GetFileTypeFromExtension(ext); if ( !filetype ) { textCtrl << wxT("Unknown extension '") << ext << wxT("'\n"); } else { wxString type, desc, open; filetype->GetMimeType(&type); filetype->GetDescription(&desc); wxString filename = wxT("filename"); filename << wxT(".") << ext; wxFileType::MessageParameters params(filename, type); filetype->GetOpenCommand(&open, params); textCtrl << wxT("MIME information about extension '") << ext << wxT('\n') << wxT("\tMIME type: ") << ( !type ? wxString("unknown") : type ) << wxT('\n') << wxT("\tDescription: ") << ( !desc ? wxString(wxEmptyString) : desc ) << wxT('\n') << wxT("\tCommand to open: ") << ( !open ? wxString("no") : open ) << wxT('\n'); delete filetype; } } //else: cancelled by user } void MyApp::DoByteOrderDemo(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << wxT("\nTest byte order macros:\n\n"); #if wxBYTE_ORDER == wxLITTLE_ENDIAN textCtrl << wxT("This is a little endian system.\n\n"); #else textCtrl << wxT("This is a big endian system.\n\n"); #endif wxString text; wxInt32 var = 0xF1F2F3F4; text = wxEmptyString; text.Printf( wxT("Value of wxInt32 is now: %#x.\n\n"), var ); textCtrl.WriteText( text ); text = wxEmptyString; text.Printf( wxT("Value of swapped wxInt32 is: %#x.\n\n"), wxINT32_SWAP_ALWAYS( var ) ); textCtrl.WriteText( text ); text = wxEmptyString; text.Printf( wxT("Value of wxInt32 swapped on little endian is: %#x.\n\n"), wxINT32_SWAP_ON_LE( var ) ); textCtrl.WriteText( text ); text = wxEmptyString; text.Printf( wxT("Value of wxInt32 swapped on big endian is: %#x.\n\n"), wxINT32_SWAP_ON_BE( var ) ); textCtrl.WriteText( text ); } void MyApp::DoVariantDemo(wxCommandEvent& WXUNUSED(event) ) { wxTextCtrl& textCtrl = * GetTextCtrl(); wxVariant var1 = wxT("String value"); textCtrl << wxT("var1 = ") << var1.MakeString() << wxT("\n"); // Conversion wxString str = var1.MakeString(); var1 = 123.456; textCtrl << wxT("var1 = ") << var1.GetReal() << wxT("\n"); // Implicit conversion double v = var1; var1 = 9876L; textCtrl << wxT("var1 = ") << var1.GetLong() << wxT("\n"); // Implicit conversion long l = var1; // suppress compile warnings about unused variables wxUnusedVar(l); wxUnusedVar(v); wxArrayString stringArray; stringArray.Add(wxT("one")); stringArray.Add(wxT("two")); stringArray.Add(wxT("three")); var1 = stringArray; textCtrl << wxT("var1 = ") << var1.MakeString() << wxT("\n"); var1.ClearList(); var1.Append(wxVariant(1.2345)); var1.Append(wxVariant(wxT("hello"))); var1.Append(wxVariant(54321L)); textCtrl << wxT("var1 = ") << var1.MakeString() << wxT("\n"); size_t n = var1.GetCount(); size_t i; for (i = (size_t) 0; i < n; i++) { textCtrl << wxT("var1[") << (int) i << wxT("] (type ") << var1[i].GetType() << wxT(") = ") << var1[i].MakeString() << wxT("\n"); } var1 = wxVariant(new wxFont(wxSystemSettings::GetFont(wxSYS_OEM_FIXED_FONT))); textCtrl << wxT("var1 = (wxfont)\""); wxFont* font = wxGetVariantCast(var1,wxFont); if (font) { textCtrl << font->GetNativeFontInfoDesc() << wxT("\"\n"); } else { textCtrl << wxT("(null)\"\n"); } } BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(TYPES_QUIT, MyFrame::OnQuit) EVT_MENU(TYPES_ABOUT, MyFrame::OnAbout) END_EVENT_TABLE() // My frame constructor MyFrame::MyFrame(wxFrame *parent, const wxString& title, const wxPoint& pos, const wxSize& size) : wxFrame(parent, wxID_ANY, title, pos, size) {} void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) ) { Close(true); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) ) { wxMessageDialog dialog(this, wxT("Tests various wxWidgets types"), wxT("About Types"), wxYES_NO|wxCANCEL); dialog.ShowModal(); }