wxWidgets/samples/typetest/typetest.cpp

1084 lines
35 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// 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 <iostream>
#include <fstream>
#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();
}