///////////////////////////////////////////////////////////////////////////// // 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" #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 #include #include "wx/wfstream.h" #include "wx/datstrm.h" #include "wx/txtstrm.h" #include "wx/mstream.h" // Create a new application object wxIMPLEMENT_APP(MyApp); wxIMPLEMENT_DYNAMIC_CLASS(MyApp, wxApp); wxBEGIN_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) wxEND_EVENT_TABLE() wxString file_name = "test_wx.dat"; wxString file_name2 = wxString("test_wx2.dat"); bool MyApp::OnInit() { if ( !wxApp::OnInit() ) return false; // Create the main frame window MyFrame *frame = new MyFrame((wxFrame *) NULL, "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, "&About"); file_menu->AppendSeparator(); file_menu->Append(TYPES_QUIT, "E&xit\tAlt-X"); wxMenu *test_menu = new wxMenu; test_menu->Append(TYPES_VARIANT, "&Variant test"); test_menu->Append(TYPES_BYTEORDER, "&Byteorder test"); #if wxUSE_UNICODE test_menu->Append(TYPES_UNICODE, "&Unicode test"); #endif // wxUSE_UNICODE test_menu->Append(TYPES_STREAM, "&Stream test"); test_menu->Append(TYPES_STREAM2, "&Stream seek test"); test_menu->Append(TYPES_STREAM3, "&Stream error test"); test_menu->Append(TYPES_STREAM4, "&Stream buffer test"); test_menu->Append(TYPES_STREAM5, "&Stream peek test"); test_menu->Append(TYPES_STREAM6, "&Stream ungetch test"); test_menu->Append(TYPES_STREAM7, "&Stream ungetch test for a buffered stream"); test_menu->AppendSeparator(); test_menu->Append(TYPES_MIME, "&MIME database test"); wxMenuBar *menu_bar = new wxMenuBar; menu_bar->Append(file_menu, "&File"); menu_bar->Append(test_menu, "&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 << "\nTest fstream vs. wxFileStream:\n\n"; textCtrl.WriteText( "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( "Signed int: %d\n", si ); textCtrl.WriteText( tmp ); text_output << si << "\n"; std_file_output << si << "\n"; unsigned int ui = 0xFFFFFFFF; tmp.Printf( "Unsigned int: %u\n", ui ); textCtrl.WriteText( tmp ); text_output << ui << "\n"; std_file_output << ui << "\n"; double d = 2.01234567890123456789; tmp.Printf( "Double: %f\n", d ); textCtrl.WriteText( tmp ); text_output << d << "\n"; std_file_output << d << "\n"; float f = 0.00001f; tmp.Printf( "Float: %f\n", double(f) ); textCtrl.WriteText( tmp ); text_output << f << "\n"; std_file_output << f << "\n"; wxString str( "Hello!" ); tmp.Printf( "String: %s\n", str ); textCtrl.WriteText( tmp ); text_output << str << "\n"; std_file_output << str.ToAscii() << "\n"; std_file_output.close(); textCtrl.WriteText( "\nReading from ifstream:\n" ); wxSTD ifstream std_file_input( "test_std.dat" ); std_file_input >> si; tmp.Printf( "Signed int: %d\n", si ); textCtrl.WriteText( tmp ); std_file_input >> ui; tmp.Printf( "Unsigned int: %u\n", ui ); textCtrl.WriteText( tmp ); std_file_input >> d; tmp.Printf( "Double: %f\n", d ); textCtrl.WriteText( tmp ); std_file_input >> f; tmp.Printf( "Float: %f\n", double(f) ); textCtrl.WriteText( tmp ); char std_buf[200]; std_file_input >> std_buf; str = wxString::FromAscii(std_buf); tmp.Printf( "String: %s\n", str ); textCtrl.WriteText( tmp ); textCtrl.WriteText( "\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( "Signed int: %d\n", si ); textCtrl.WriteText( tmp ); text_input >> ui; tmp.Printf( "Unsigned int: %u\n", ui ); textCtrl.WriteText( tmp ); text_input >> d; tmp.Printf( "Double: %f\n", d ); textCtrl.WriteText( tmp ); text_input >> f; tmp.Printf( "Float: %f\n", double(f) ); textCtrl.WriteText( tmp ); text_input >> str; tmp.Printf( "String: %s\n", str ); textCtrl.WriteText( tmp ); textCtrl << "\nTest for wxDataStream:\n\n"; textCtrl.WriteText( "Writing to wxDataOutputStream:\n" ); file_output.SeekO( 0 ); wxDataOutputStream data_output( buf_output ); wxInt16 i16 = (unsigned short)0xFFFF; tmp.Printf( "Signed int16: %d\n", (int)i16 ); textCtrl.WriteText( tmp ); data_output.Write16( i16 ); wxUint16 ui16 = 0xFFFF; tmp.Printf( "Unsigned int16: %u\n", (unsigned int) ui16 ); textCtrl.WriteText( tmp ); data_output.Write16( ui16 ); d = 2.01234567890123456789; tmp.Printf( "Double: %f\n", d ); textCtrl.WriteText( tmp ); data_output.WriteDouble( d ); str = "Hello!"; tmp.Printf( "String: %s\n", str ); textCtrl.WriteText( tmp ); data_output.WriteString( str ); buf_output.Sync(); textCtrl.WriteText( "\nReading from wxDataInputStream:\n" ); file_input.SeekI( 0 ); wxDataInputStream data_input( buf_input ); i16 = data_input.Read16(); tmp.Printf( "Signed int16: %d\n", (int)i16 ); textCtrl.WriteText( tmp ); ui16 = data_input.Read16(); tmp.Printf( "Unsigned int16: %u\n", (unsigned int) ui16 ); textCtrl.WriteText( tmp ); d = data_input.ReadDouble(); tmp.Printf( "Double: %f\n", d ); textCtrl.WriteText( tmp ); str = data_input.ReadString(); tmp.Printf( "String: %s\n", str ); textCtrl.WriteText( tmp ); } void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << "\nTesting wxBufferedStream:\n\n"; char ch,ch2; textCtrl.WriteText( "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 + '0') ); } textCtrl.WriteText( "\n\n\n" ); textCtrl.WriteText( "Writing number 0 to 9 to buffered wxFileOutputStream, then\n" ); textCtrl.WriteText( "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 + '0') ); } textCtrl.WriteText( "\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( "Reading number 0 to 9 from buffered wxFileInputStream, then\n" ); textCtrl.WriteText( "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 + '0') ); } for (int j = 0; j < 2000; j++) buf_input3.Read( &ch, 1 ); textCtrl.WriteText( "\n" ); buf_input3.SeekI( 3 ); buf_input3.Read( &ch, 1 ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( "\n\n\n" ); } void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << "\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n"; char ch,ch2; textCtrl.WriteText( "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( "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( "Value read: " ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( "; stream.GetLastError() returns: " ); switch (file_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } } textCtrl.WriteText( "\n" ); textCtrl.WriteText( "Seeking to 0; stream.GetLastError() returns: " ); file_input.SeekI( 0 ); switch (file_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } textCtrl.WriteText( "\n" ); file_input.Read( &ch, 1 ); textCtrl.WriteText( "Value read: " ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( "; stream.GetLastError() returns: " ); switch (file_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } textCtrl.WriteText( "\n\n" ); // Testing wxFFileInputStream textCtrl.WriteText( "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( "Value read: " ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( "; stream.GetLastError() returns: " ); switch (ffile_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } } textCtrl.WriteText( "\n" ); textCtrl.WriteText( "Seeking to 0; stream.GetLastError() returns: " ); ffile_input.SeekI( 0 ); switch (ffile_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } textCtrl.WriteText( "\n" ); ffile_input.Read( &ch, 1 ); textCtrl.WriteText( "Value read: " ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( "; stream.GetLastError() returns: " ); switch (ffile_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } textCtrl.WriteText( "\n\n" ); // Testing wxFFileInputStream textCtrl.WriteText( "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( "Value read: " ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( "; stream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } } textCtrl.WriteText( "\n" ); textCtrl.WriteText( "Seeking to 0; stream.GetLastError() returns: " ); buf_input.SeekI( 0 ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } textCtrl.WriteText( "\n" ); buf_input.Read( &ch, 1 ); textCtrl.WriteText( "Value read: " ); textCtrl.WriteText( (wxChar)(ch + '0') ); textCtrl.WriteText( "; stream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } } void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); wxString msg; textCtrl.Clear(); textCtrl << "\nTesting wxStreamBuffer:\n\n"; // bigger than buffer textCtrl.WriteText( "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( "Opening with a buffered wxFileInputStream:\n\n" ); wxFileInputStream file_input( file_name ); wxBufferedInputStream buf_input( file_input ); textCtrl.WriteText( "wxBufferedInputStream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( "\n\n" ); textCtrl.WriteText( "Seeking to position 300:\n\n" ); buf_input.SeekI( 300 ); textCtrl.WriteText( "wxBufferedInputStream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( "\n\n" ); char buf[2000]; textCtrl.WriteText( "Reading 500 bytes:\n\n" ); buf_input.Read( buf, 500 ); textCtrl.WriteText( "wxBufferedInputStream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( "\n\n" ); textCtrl.WriteText( "Reading another 500 bytes:\n\n" ); buf_input.Read( buf, 500 ); textCtrl.WriteText( "wxBufferedInputStream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( "\n\n" ); textCtrl.WriteText( "Reading another 500 bytes:\n\n" ); buf_input.Read( buf, 500 ); textCtrl.WriteText( "wxBufferedInputStream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( "\n\n" ); textCtrl.WriteText( "Reading another 500 bytes:\n\n" ); buf_input.Read( buf, 500 ); textCtrl.WriteText( "wxBufferedInputStream.GetLastError() returns: " ); switch (buf_input.GetLastError()) { case wxSTREAM_NO_ERROR: textCtrl.WriteText( "wxSTREAM_NO_ERROR\n" ); break; case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; default: textCtrl.WriteText( "Huh?\n" ); break; } msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); textCtrl.WriteText( msg ); msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); textCtrl.WriteText( msg ); textCtrl.WriteText( "\n\n" ); } void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << "\nTesting wxFileInputStream's Peek():\n\n"; char ch; wxString str; textCtrl.WriteText( "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( "First char peeked: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = file_input.GetC(); str.Printf( "First char read: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = file_input.Peek(); str.Printf( "Second char peeked: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = file_input.GetC(); str.Printf( "Second char read: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = file_input.Peek(); str.Printf( "Third char peeked: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = file_input.GetC(); str.Printf( "Third char read: %d\n", (int) ch ); textCtrl.WriteText( str ); textCtrl << "\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( "First char peeked: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = input.GetC(); str.Printf( "First char read: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = input.Peek(); str.Printf( "Second char peeked: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = input.GetC(); str.Printf( "Second char read: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = input.Peek(); str.Printf( "Third char peeked: %d\n", (int) ch ); textCtrl.WriteText( str ); ch = input.GetC(); str.Printf( "Third char read: %d\n", (int) ch ); textCtrl.WriteText( str ); } void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl.WriteText( "\nTesting Ungetch():\n\n" ); char ch = 0; wxString str; textCtrl.WriteText( "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( "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( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading another char from wxFileInputStream:\n\n" ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading yet another char from wxFileInputStream:\n\n" ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxFileInputStream...\n\n" ); file_input.Ungetch( 5 ); pos = (size_t)file_input.TellI(); str.Printf( "Now at position %d\n\n", (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading char from wxFileInputStream:\n\n" ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading another char from wxFileInputStream:\n\n" ); ch = file_input.GetC(); pos = (size_t)file_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n" ); file_input.Ungetch( 5 ); pos = (size_t)file_input.TellI(); str.Printf( "Now at position %d\n\n", (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "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( "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( "\nTesting Ungetch() in buffered input stream:\n\n" ); char ch = 0; wxString str; textCtrl.WriteText( "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( "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( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading another char from wxBufferedInputStream:\n\n" ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading yet another char from wxBufferedInputStream:\n\n" ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n" ); buf_input.Ungetch( 5 ); pos = (size_t)buf_input.TellI(); str.Printf( "Now at position %d\n\n", (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading char from wxBufferedInputStream:\n\n" ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Reading another char from wxBufferedInputStream:\n\n" ); ch = buf_input.GetC(); pos = (size_t)buf_input.TellI(); str.Printf( "Read char: %d. Now at position %d\n\n", (int) ch, (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n" ); buf_input.Ungetch( 5 ); pos = (size_t)buf_input.TellI(); str.Printf( "Now at position %d\n\n", (int) pos ); textCtrl.WriteText( str ); textCtrl.WriteText( "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( "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 << "\nTest wchar_t to char (Unicode to ANSI/Multibyte) converions:"; wxString str; str = "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 = "xyz"; wxString ext = wxGetTextFromUser("Enter a file extension: ", "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("application/xyz", "XyZ %s", "XyZ -p %s", "The one and only XYZ format file", "xyz", "123", wxNullPtr), wxFileTypeInfo("text/html", "lynx %s", "lynx -dump %s | lpr", "HTML document (from fallback)", "htm", "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 << "Unknown extension '" << ext << "'\n"; } else { wxString type, desc, open; wxIconLocation loc; filetype->GetMimeType(&type); filetype->GetDescription(&desc); filetype->GetIcon(&loc); wxString filename = "filename"; filename << "." << ext; wxFileType::MessageParameters params(filename, type); filetype->GetOpenCommand(&open, params); textCtrl << "MIME information about extension '" << ext << '\n' << "\tMIME type: " << ( !type ? wxString("unknown") : type ) << '\n' << "\tDescription: " << ( !desc ? wxString(wxEmptyString) : desc ) << '\n' << "\tCommand to open: " << ( !open ? wxString("no") : open ) << '\n' << "\tIcon: " << ( loc.IsOk() ? loc.GetFileName() : wxString("no") ) << '\n'; delete filetype; } } //else: cancelled by user } void MyApp::DoByteOrderDemo(wxCommandEvent& WXUNUSED(event)) { wxTextCtrl& textCtrl = * GetTextCtrl(); textCtrl.Clear(); textCtrl << "\nTest byte order macros:\n\n"; #if wxBYTE_ORDER == wxLITTLE_ENDIAN textCtrl << "This is a little endian system.\n\n"; #else textCtrl << "This is a big endian system.\n\n"; #endif wxString text; wxInt32 var = 0xF1F2F3F4; text.clear(); text.Printf( "Value of wxInt32 is now: %#x.\n\n", var ); textCtrl.WriteText( text ); text.clear(); text.Printf( "Value of swapped wxInt32 is: %#x.\n\n", wxINT32_SWAP_ALWAYS( var ) ); textCtrl.WriteText( text ); text.clear(); text.Printf( "Value of wxInt32 swapped on little endian is: %#x.\n\n", wxINT32_SWAP_ON_LE( var ) ); textCtrl.WriteText( text ); text.clear(); text.Printf( "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 = "String value"; textCtrl << "var1 = " << var1.MakeString() << "\n"; // Conversion var1 = 123.456; textCtrl << "var1 = " << var1.GetReal() << "\n"; // Implicit conversion double v = var1; var1 = 9876L; textCtrl << "var1 = " << var1.GetLong() << "\n"; // Implicit conversion long l = var1; // suppress compile warnings about unused variables wxUnusedVar(l); wxUnusedVar(v); wxArrayString stringArray; stringArray.Add("one"); stringArray.Add("two"); stringArray.Add("three"); var1 = stringArray; textCtrl << "var1 = " << var1.MakeString() << "\n"; var1.ClearList(); var1.Append(wxVariant(1.2345)); var1.Append(wxVariant("hello")); var1.Append(wxVariant(54321L)); textCtrl << "var1 = " << var1.MakeString() << "\n"; size_t n = var1.GetCount(); size_t i; for (i = (size_t) 0; i < n; i++) { textCtrl << "var1[" << (int) i << "] (type " << var1[i].GetType() << ") = " << var1[i].MakeString() << "\n"; } wxFont* sysFont = new wxFont(wxSystemSettings::GetFont(wxSYS_OEM_FIXED_FONT)); var1 = wxVariant(sysFont); textCtrl << "var1 = (wxfont)\""; wxFont* font = wxGetVariantCast(var1,wxFont); if (font) { textCtrl << font->GetNativeFontInfoDesc() << "\"\n"; } else { textCtrl << "(null)\"\n"; } delete sysFont; } wxBEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(TYPES_QUIT, MyFrame::OnQuit) EVT_MENU(TYPES_ABOUT, MyFrame::OnAbout) wxEND_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, "Tests various wxWidgets types", "About Types", wxYES_NO|wxCANCEL); dialog.ShowModal(); }