| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: typetest.cpp |
| 3 | // Purpose: Types wxWidgets sample |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx/wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifdef __BORLANDC__ |
| 16 | #pragma hdrstop |
| 17 | #endif |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/wx.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/variant.h" |
| 24 | #include "wx/mimetype.h" |
| 25 | |
| 26 | #include "typetest.h" |
| 27 | |
| 28 | #ifndef wxHAS_IMAGES_IN_RESOURCES |
| 29 | #include "../sample.xpm" |
| 30 | #endif |
| 31 | |
| 32 | #ifdef new |
| 33 | #undef new |
| 34 | #endif |
| 35 | |
| 36 | #include "wx/ioswrap.h" |
| 37 | |
| 38 | #if wxUSE_IOSTREAMH |
| 39 | #include <fstream.h> |
| 40 | #else |
| 41 | #include <fstream> |
| 42 | #endif |
| 43 | |
| 44 | #include "wx/wfstream.h" |
| 45 | #include "wx/datstrm.h" |
| 46 | #include "wx/txtstrm.h" |
| 47 | #include "wx/mstream.h" |
| 48 | |
| 49 | // Create a new application object |
| 50 | IMPLEMENT_APP (MyApp) |
| 51 | |
| 52 | IMPLEMENT_DYNAMIC_CLASS (MyApp, wxApp) |
| 53 | |
| 54 | BEGIN_EVENT_TABLE(MyApp, wxApp) |
| 55 | EVT_MENU(TYPES_VARIANT, MyApp::DoVariantDemo) |
| 56 | EVT_MENU(TYPES_BYTEORDER, MyApp::DoByteOrderDemo) |
| 57 | #if wxUSE_UNICODE |
| 58 | EVT_MENU(TYPES_UNICODE, MyApp::DoUnicodeDemo) |
| 59 | #endif // wxUSE_UNICODE |
| 60 | EVT_MENU(TYPES_STREAM, MyApp::DoStreamDemo) |
| 61 | EVT_MENU(TYPES_STREAM2, MyApp::DoStreamDemo2) |
| 62 | EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3) |
| 63 | EVT_MENU(TYPES_STREAM4, MyApp::DoStreamDemo4) |
| 64 | EVT_MENU(TYPES_STREAM5, MyApp::DoStreamDemo5) |
| 65 | EVT_MENU(TYPES_STREAM6, MyApp::DoStreamDemo6) |
| 66 | EVT_MENU(TYPES_STREAM7, MyApp::DoStreamDemo7) |
| 67 | EVT_MENU(TYPES_MIME, MyApp::DoMIMEDemo) |
| 68 | END_EVENT_TABLE() |
| 69 | |
| 70 | wxString file_name = wxT("test_wx.dat"); |
| 71 | wxString file_name2 = wxString(wxT("test_wx2.dat")); |
| 72 | |
| 73 | bool MyApp::OnInit() |
| 74 | { |
| 75 | if ( !wxApp::OnInit() ) |
| 76 | return false; |
| 77 | |
| 78 | // Create the main frame window |
| 79 | MyFrame *frame = new MyFrame((wxFrame *) NULL, wxT("wxWidgets Types Demo"), |
| 80 | wxPoint(50, 50), wxSize(450, 340)); |
| 81 | |
| 82 | // Give it an icon |
| 83 | frame->SetIcon(wxICON(sample)); |
| 84 | |
| 85 | // Make a menubar |
| 86 | wxMenu *file_menu = new wxMenu; |
| 87 | |
| 88 | file_menu->Append(TYPES_ABOUT, wxT("&About")); |
| 89 | file_menu->AppendSeparator(); |
| 90 | file_menu->Append(TYPES_QUIT, wxT("E&xit\tAlt-X")); |
| 91 | |
| 92 | wxMenu *test_menu = new wxMenu; |
| 93 | test_menu->Append(TYPES_VARIANT, wxT("&Variant test")); |
| 94 | test_menu->Append(TYPES_BYTEORDER, wxT("&Byteorder test")); |
| 95 | #if wxUSE_UNICODE |
| 96 | test_menu->Append(TYPES_UNICODE, wxT("&Unicode test")); |
| 97 | #endif // wxUSE_UNICODE |
| 98 | test_menu->Append(TYPES_STREAM, wxT("&Stream test")); |
| 99 | test_menu->Append(TYPES_STREAM2, wxT("&Stream seek test")); |
| 100 | test_menu->Append(TYPES_STREAM3, wxT("&Stream error test")); |
| 101 | test_menu->Append(TYPES_STREAM4, wxT("&Stream buffer test")); |
| 102 | test_menu->Append(TYPES_STREAM5, wxT("&Stream peek test")); |
| 103 | test_menu->Append(TYPES_STREAM6, wxT("&Stream ungetch test")); |
| 104 | test_menu->Append(TYPES_STREAM7, wxT("&Stream ungetch test for a buffered stream")); |
| 105 | test_menu->AppendSeparator(); |
| 106 | test_menu->Append(TYPES_MIME, wxT("&MIME database test")); |
| 107 | |
| 108 | wxMenuBar *menu_bar = new wxMenuBar; |
| 109 | menu_bar->Append(file_menu, wxT("&File")); |
| 110 | menu_bar->Append(test_menu, wxT("&Tests")); |
| 111 | frame->SetMenuBar(menu_bar); |
| 112 | |
| 113 | m_textCtrl = new wxTextCtrl(frame, wxID_ANY, wxEmptyString, |
| 114 | wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); |
| 115 | |
| 116 | // Show the frame |
| 117 | frame->Show(true); |
| 118 | |
| 119 | return true; |
| 120 | } |
| 121 | |
| 122 | void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) |
| 123 | { |
| 124 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 125 | |
| 126 | textCtrl.Clear(); |
| 127 | textCtrl << wxT("\nTest fstream vs. wxFileStream:\n\n"); |
| 128 | |
| 129 | textCtrl.WriteText( wxT("Writing to ofstream and wxFileOutputStream:\n") ); |
| 130 | |
| 131 | wxSTD ofstream std_file_output( "test_std.dat" ); |
| 132 | wxFileOutputStream file_output( file_name ); |
| 133 | wxBufferedOutputStream buf_output( file_output ); |
| 134 | wxTextOutputStream text_output( buf_output ); |
| 135 | |
| 136 | wxString tmp; |
| 137 | signed int si = 0xFFFFFFFF; |
| 138 | tmp.Printf( wxT("Signed int: %d\n"), si ); |
| 139 | textCtrl.WriteText( tmp ); |
| 140 | text_output << si << wxT("\n"); |
| 141 | std_file_output << si << "\n"; |
| 142 | |
| 143 | unsigned int ui = 0xFFFFFFFF; |
| 144 | tmp.Printf( wxT("Unsigned int: %u\n"), ui ); |
| 145 | textCtrl.WriteText( tmp ); |
| 146 | text_output << ui << wxT("\n"); |
| 147 | std_file_output << ui << "\n"; |
| 148 | |
| 149 | double d = 2.01234567890123456789; |
| 150 | tmp.Printf( wxT("Double: %f\n"), d ); |
| 151 | textCtrl.WriteText( tmp ); |
| 152 | text_output << d << wxT("\n"); |
| 153 | std_file_output << d << "\n"; |
| 154 | |
| 155 | float f = (float)0.00001; |
| 156 | tmp.Printf( wxT("Float: %f\n"), f ); |
| 157 | textCtrl.WriteText( tmp ); |
| 158 | text_output << f << wxT("\n"); |
| 159 | std_file_output << f << "\n"; |
| 160 | |
| 161 | wxString str( wxT("Hello!") ); |
| 162 | tmp.Printf( wxT("String: %s\n"), str.c_str() ); |
| 163 | textCtrl.WriteText( tmp ); |
| 164 | text_output << str << wxT("\n"); |
| 165 | std_file_output << str.ToAscii() << "\n"; |
| 166 | |
| 167 | std_file_output.close(); |
| 168 | |
| 169 | textCtrl.WriteText( wxT("\nReading from ifstream:\n") ); |
| 170 | |
| 171 | wxSTD ifstream std_file_input( "test_std.dat" ); |
| 172 | |
| 173 | std_file_input >> si; |
| 174 | tmp.Printf( wxT("Signed int: %d\n"), si ); |
| 175 | textCtrl.WriteText( tmp ); |
| 176 | |
| 177 | std_file_input >> ui; |
| 178 | tmp.Printf( wxT("Unsigned int: %u\n"), ui ); |
| 179 | textCtrl.WriteText( tmp ); |
| 180 | |
| 181 | std_file_input >> d; |
| 182 | tmp.Printf( wxT("Double: %f\n"), d ); |
| 183 | textCtrl.WriteText( tmp ); |
| 184 | |
| 185 | std_file_input >> f; |
| 186 | tmp.Printf( wxT("Float: %f\n"), f ); |
| 187 | textCtrl.WriteText( tmp ); |
| 188 | |
| 189 | char std_buf[200]; |
| 190 | std_file_input >> std_buf; |
| 191 | str = wxString::FromAscii(std_buf); |
| 192 | tmp.Printf( wxT("String: %s\n"), str.c_str() ); |
| 193 | textCtrl.WriteText( tmp ); |
| 194 | |
| 195 | textCtrl.WriteText( wxT("\nReading from wxFileInputStream:\n") ); |
| 196 | |
| 197 | buf_output.Sync(); |
| 198 | |
| 199 | wxFileInputStream file_input( file_name ); |
| 200 | wxBufferedInputStream buf_input( file_input ); |
| 201 | wxTextInputStream text_input( file_input ); |
| 202 | |
| 203 | text_input >> si; |
| 204 | tmp.Printf( wxT("Signed int: %d\n"), si ); |
| 205 | textCtrl.WriteText( tmp ); |
| 206 | |
| 207 | text_input >> ui; |
| 208 | tmp.Printf( wxT("Unsigned int: %u\n"), ui ); |
| 209 | textCtrl.WriteText( tmp ); |
| 210 | |
| 211 | text_input >> d; |
| 212 | tmp.Printf( wxT("Double: %f\n"), d ); |
| 213 | textCtrl.WriteText( tmp ); |
| 214 | |
| 215 | text_input >> f; |
| 216 | tmp.Printf( wxT("Float: %f\n"), f ); |
| 217 | textCtrl.WriteText( tmp ); |
| 218 | |
| 219 | text_input >> str; |
| 220 | tmp.Printf( wxT("String: %s\n"), str.c_str() ); |
| 221 | textCtrl.WriteText( tmp ); |
| 222 | |
| 223 | |
| 224 | |
| 225 | textCtrl << wxT("\nTest for wxDataStream:\n\n"); |
| 226 | |
| 227 | textCtrl.WriteText( wxT("Writing to wxDataOutputStream:\n") ); |
| 228 | |
| 229 | file_output.SeekO( 0 ); |
| 230 | wxDataOutputStream data_output( buf_output ); |
| 231 | |
| 232 | wxInt16 i16 = (unsigned short)0xFFFF; |
| 233 | tmp.Printf( wxT("Signed int16: %d\n"), (int)i16 ); |
| 234 | textCtrl.WriteText( tmp ); |
| 235 | data_output.Write16( i16 ); |
| 236 | |
| 237 | wxUint16 ui16 = 0xFFFF; |
| 238 | tmp.Printf( wxT("Unsigned int16: %u\n"), (unsigned int) ui16 ); |
| 239 | textCtrl.WriteText( tmp ); |
| 240 | data_output.Write16( ui16 ); |
| 241 | |
| 242 | d = 2.01234567890123456789; |
| 243 | tmp.Printf( wxT("Double: %f\n"), d ); |
| 244 | textCtrl.WriteText( tmp ); |
| 245 | data_output.WriteDouble( d ); |
| 246 | |
| 247 | str = wxT("Hello!"); |
| 248 | tmp.Printf( wxT("String: %s\n"), str.c_str() ); |
| 249 | textCtrl.WriteText( tmp ); |
| 250 | data_output.WriteString( str ); |
| 251 | |
| 252 | buf_output.Sync(); |
| 253 | |
| 254 | textCtrl.WriteText( wxT("\nReading from wxDataInputStream:\n") ); |
| 255 | |
| 256 | file_input.SeekI( 0 ); |
| 257 | wxDataInputStream data_input( buf_input ); |
| 258 | |
| 259 | i16 = data_input.Read16(); |
| 260 | tmp.Printf( wxT("Signed int16: %d\n"), (int)i16 ); |
| 261 | textCtrl.WriteText( tmp ); |
| 262 | |
| 263 | ui16 = data_input.Read16(); |
| 264 | tmp.Printf( wxT("Unsigned int16: %u\n"), (unsigned int) ui16 ); |
| 265 | textCtrl.WriteText( tmp ); |
| 266 | |
| 267 | d = data_input.ReadDouble(); |
| 268 | tmp.Printf( wxT("Double: %f\n"), d ); |
| 269 | textCtrl.WriteText( tmp ); |
| 270 | |
| 271 | str = data_input.ReadString(); |
| 272 | tmp.Printf( wxT("String: %s\n"), str.c_str() ); |
| 273 | textCtrl.WriteText( tmp ); |
| 274 | } |
| 275 | |
| 276 | void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) |
| 277 | { |
| 278 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 279 | |
| 280 | textCtrl.Clear(); |
| 281 | textCtrl << wxT("\nTesting wxBufferedStream:\n\n"); |
| 282 | |
| 283 | char ch,ch2; |
| 284 | |
| 285 | textCtrl.WriteText( wxT("Writing number 0 to 9 to buffered wxFileOutputStream:\n\n") ); |
| 286 | |
| 287 | wxFileOutputStream file_output( file_name ); |
| 288 | wxBufferedOutputStream buf_output( file_output ); |
| 289 | for (ch = 0; ch < 10; ch++) |
| 290 | buf_output.Write( &ch, 1 ); |
| 291 | buf_output.Sync(); |
| 292 | |
| 293 | wxFileInputStream file_input( file_name ); |
| 294 | for (ch2 = 0; ch2 < 10; ch2++) |
| 295 | { |
| 296 | file_input.Read( &ch, 1 ); |
| 297 | textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); |
| 298 | } |
| 299 | textCtrl.WriteText( wxT("\n\n\n") ); |
| 300 | |
| 301 | textCtrl.WriteText( wxT("Writing number 0 to 9 to buffered wxFileOutputStream, then\n") ); |
| 302 | textCtrl.WriteText( wxT("seeking back to #3 and writing 0:\n\n") ); |
| 303 | |
| 304 | wxFileOutputStream file_output2( file_name2 ); |
| 305 | wxBufferedOutputStream buf_output2( file_output2 ); |
| 306 | for (ch = 0; ch < 10; ch++) |
| 307 | buf_output2.Write( &ch, 1 ); |
| 308 | buf_output2.SeekO( 3 ); |
| 309 | ch = 0; |
| 310 | buf_output2.Write( &ch, 1 ); |
| 311 | buf_output2.Sync(); |
| 312 | |
| 313 | wxFileInputStream file_input2( file_name2 ); |
| 314 | for (ch2 = 0; ch2 < 10; ch2++) |
| 315 | { |
| 316 | file_input2.Read( &ch, 1 ); |
| 317 | textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); |
| 318 | } |
| 319 | textCtrl.WriteText( wxT("\n\n\n") ); |
| 320 | |
| 321 | // now append 2000 bytes to file (bigger than buffer) |
| 322 | buf_output2.SeekO( 0, wxFromEnd ); |
| 323 | ch = 1; |
| 324 | for (int i = 0; i < 2000; i++) |
| 325 | buf_output2.Write( &ch, 1 ); |
| 326 | buf_output2.Sync(); |
| 327 | |
| 328 | textCtrl.WriteText( wxT("Reading number 0 to 9 from buffered wxFileInputStream, then\n") ); |
| 329 | textCtrl.WriteText( wxT("seeking back to #3 and reading the 0:\n\n") ); |
| 330 | |
| 331 | wxFileInputStream file_input3( file_name2 ); |
| 332 | wxBufferedInputStream buf_input3( file_input3 ); |
| 333 | for (ch2 = 0; ch2 < 10; ch2++) |
| 334 | { |
| 335 | buf_input3.Read( &ch, 1 ); |
| 336 | textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); |
| 337 | } |
| 338 | for (int j = 0; j < 2000; j++) |
| 339 | buf_input3.Read( &ch, 1 ); |
| 340 | textCtrl.WriteText( wxT("\n") ); |
| 341 | buf_input3.SeekI( 3 ); |
| 342 | buf_input3.Read( &ch, 1 ); |
| 343 | textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); |
| 344 | textCtrl.WriteText( wxT("\n\n\n") ); |
| 345 | |
| 346 | } |
| 347 | |
| 348 | void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) |
| 349 | { |
| 350 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 351 | |
| 352 | textCtrl.Clear(); |
| 353 | textCtrl << wxT("\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n"); |
| 354 | |
| 355 | char ch,ch2; |
| 356 | |
| 357 | textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); |
| 358 | |
| 359 | wxFileOutputStream file_output( file_name ); |
| 360 | for (ch = 0; ch < 10; ch++) |
| 361 | file_output.Write( &ch, 1 ); |
| 362 | |
| 363 | // Testing wxFileInputStream |
| 364 | |
| 365 | textCtrl.WriteText( wxT("Reading 0 to 10 to wxFileInputStream:\n\n") ); |
| 366 | |
| 367 | wxFileInputStream file_input( file_name ); |
| 368 | for (ch2 = 0; ch2 < 11; ch2++) |
| 369 | { |
| 370 | file_input.Read( &ch, 1 ); |
| 371 | textCtrl.WriteText( wxT("Value read: ") ); |
| 372 | textCtrl.WriteText( (wxChar)(ch + '0') ); |
| 373 | textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); |
| 374 | switch (file_input.GetLastError()) |
| 375 | { |
| 376 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 377 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 378 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 379 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 380 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 381 | } |
| 382 | } |
| 383 | textCtrl.WriteText( wxT("\n") ); |
| 384 | |
| 385 | textCtrl.WriteText( wxT("Seeking to 0; stream.GetLastError() returns: ") ); |
| 386 | file_input.SeekI( 0 ); |
| 387 | switch (file_input.GetLastError()) |
| 388 | { |
| 389 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 390 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 391 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 392 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 393 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 394 | } |
| 395 | textCtrl.WriteText( wxT("\n") ); |
| 396 | |
| 397 | file_input.Read( &ch, 1 ); |
| 398 | textCtrl.WriteText( wxT("Value read: ") ); |
| 399 | textCtrl.WriteText( (wxChar)(ch + wxT('0')) ); |
| 400 | textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); |
| 401 | switch (file_input.GetLastError()) |
| 402 | { |
| 403 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 404 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 405 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 406 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 407 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 408 | } |
| 409 | textCtrl.WriteText( wxT("\n\n") ); |
| 410 | |
| 411 | |
| 412 | // Testing wxFFileInputStream |
| 413 | |
| 414 | textCtrl.WriteText( wxT("Reading 0 to 10 to wxFFileInputStream:\n\n") ); |
| 415 | |
| 416 | wxFFileInputStream ffile_input( file_name ); |
| 417 | for (ch2 = 0; ch2 < 11; ch2++) |
| 418 | { |
| 419 | ffile_input.Read( &ch, 1 ); |
| 420 | textCtrl.WriteText( wxT("Value read: ") ); |
| 421 | textCtrl.WriteText( (wxChar)(ch + '0') ); |
| 422 | textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); |
| 423 | switch (ffile_input.GetLastError()) |
| 424 | { |
| 425 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 426 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 427 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 428 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 429 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 430 | } |
| 431 | } |
| 432 | textCtrl.WriteText( wxT("\n") ); |
| 433 | |
| 434 | textCtrl.WriteText( wxT("Seeking to 0; stream.GetLastError() returns: ") ); |
| 435 | ffile_input.SeekI( 0 ); |
| 436 | switch (ffile_input.GetLastError()) |
| 437 | { |
| 438 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 439 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 440 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 441 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 442 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 443 | } |
| 444 | textCtrl.WriteText( wxT("\n") ); |
| 445 | |
| 446 | ffile_input.Read( &ch, 1 ); |
| 447 | textCtrl.WriteText( wxT("Value read: ") ); |
| 448 | textCtrl.WriteText( (wxChar)(ch + '0') ); |
| 449 | textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); |
| 450 | switch (ffile_input.GetLastError()) |
| 451 | { |
| 452 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 453 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 454 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 455 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 456 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 457 | } |
| 458 | textCtrl.WriteText( wxT("\n\n") ); |
| 459 | |
| 460 | // Testing wxFFileInputStream |
| 461 | |
| 462 | textCtrl.WriteText( wxT("Reading 0 to 10 to buffered wxFFileInputStream:\n\n") ); |
| 463 | |
| 464 | wxFFileInputStream ffile_input2( file_name ); |
| 465 | wxBufferedInputStream buf_input( ffile_input2 ); |
| 466 | for (ch2 = 0; ch2 < 11; ch2++) |
| 467 | { |
| 468 | buf_input.Read( &ch, 1 ); |
| 469 | textCtrl.WriteText( wxT("Value read: ") ); |
| 470 | textCtrl.WriteText( (wxChar)(ch + '0') ); |
| 471 | textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); |
| 472 | switch (buf_input.GetLastError()) |
| 473 | { |
| 474 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 475 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 476 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 477 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 478 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 479 | } |
| 480 | } |
| 481 | textCtrl.WriteText( wxT("\n") ); |
| 482 | |
| 483 | textCtrl.WriteText( wxT("Seeking to 0; stream.GetLastError() returns: ") ); |
| 484 | buf_input.SeekI( 0 ); |
| 485 | switch (buf_input.GetLastError()) |
| 486 | { |
| 487 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 488 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 489 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 490 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 491 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 492 | } |
| 493 | textCtrl.WriteText( wxT("\n") ); |
| 494 | |
| 495 | buf_input.Read( &ch, 1 ); |
| 496 | textCtrl.WriteText( wxT("Value read: ") ); |
| 497 | textCtrl.WriteText( (wxChar)(ch + '0') ); |
| 498 | textCtrl.WriteText( wxT("; stream.GetLastError() returns: ") ); |
| 499 | switch (buf_input.GetLastError()) |
| 500 | { |
| 501 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 502 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 503 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 504 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 505 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) |
| 510 | { |
| 511 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 512 | |
| 513 | wxString msg; |
| 514 | |
| 515 | textCtrl.Clear(); |
| 516 | textCtrl << wxT("\nTesting wxStreamBuffer:\n\n"); |
| 517 | |
| 518 | // bigger than buffer |
| 519 | textCtrl.WriteText( wxT("Writing 2000x 1 to wxFileOutputStream.\n\n") ); |
| 520 | |
| 521 | wxFileOutputStream file_output( file_name ); |
| 522 | for (int i = 0; i < 2000; i++) |
| 523 | { |
| 524 | char ch = 1; |
| 525 | file_output.Write( &ch, 1 ); |
| 526 | } |
| 527 | |
| 528 | textCtrl.WriteText( wxT("Opening with a buffered wxFileInputStream:\n\n") ); |
| 529 | |
| 530 | wxFileInputStream file_input( file_name ); |
| 531 | wxBufferedInputStream buf_input( file_input ); |
| 532 | |
| 533 | textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); |
| 534 | switch (buf_input.GetLastError()) |
| 535 | { |
| 536 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 537 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 538 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 539 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 540 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 541 | } |
| 542 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); |
| 543 | textCtrl.WriteText( msg ); |
| 544 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); |
| 545 | textCtrl.WriteText( msg ); |
| 546 | textCtrl.WriteText( wxT("\n\n") ); |
| 547 | |
| 548 | |
| 549 | textCtrl.WriteText( wxT("Seeking to position 300:\n\n") ); |
| 550 | |
| 551 | buf_input.SeekI( 300 ); |
| 552 | |
| 553 | textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); |
| 554 | switch (buf_input.GetLastError()) |
| 555 | { |
| 556 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 557 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 558 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 559 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 560 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 561 | } |
| 562 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); |
| 563 | textCtrl.WriteText( msg ); |
| 564 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); |
| 565 | textCtrl.WriteText( msg ); |
| 566 | textCtrl.WriteText( wxT("\n\n") ); |
| 567 | |
| 568 | |
| 569 | char buf[2000]; |
| 570 | |
| 571 | textCtrl.WriteText( wxT("Reading 500 bytes:\n\n") ); |
| 572 | |
| 573 | buf_input.Read( buf, 500 ); |
| 574 | |
| 575 | textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); |
| 576 | switch (buf_input.GetLastError()) |
| 577 | { |
| 578 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 579 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 580 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 581 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 582 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 583 | } |
| 584 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); |
| 585 | textCtrl.WriteText( msg ); |
| 586 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); |
| 587 | textCtrl.WriteText( msg ); |
| 588 | textCtrl.WriteText( wxT("\n\n") ); |
| 589 | |
| 590 | textCtrl.WriteText( wxT("Reading another 500 bytes:\n\n") ); |
| 591 | |
| 592 | buf_input.Read( buf, 500 ); |
| 593 | |
| 594 | textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); |
| 595 | switch (buf_input.GetLastError()) |
| 596 | { |
| 597 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 598 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 599 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 600 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 601 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 602 | } |
| 603 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); |
| 604 | textCtrl.WriteText( msg ); |
| 605 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); |
| 606 | textCtrl.WriteText( msg ); |
| 607 | textCtrl.WriteText( wxT("\n\n") ); |
| 608 | |
| 609 | textCtrl.WriteText( wxT("Reading another 500 bytes:\n\n") ); |
| 610 | |
| 611 | buf_input.Read( buf, 500 ); |
| 612 | |
| 613 | textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); |
| 614 | switch (buf_input.GetLastError()) |
| 615 | { |
| 616 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 617 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 618 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 619 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 620 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 621 | } |
| 622 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); |
| 623 | textCtrl.WriteText( msg ); |
| 624 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); |
| 625 | textCtrl.WriteText( msg ); |
| 626 | textCtrl.WriteText( wxT("\n\n") ); |
| 627 | |
| 628 | textCtrl.WriteText( wxT("Reading another 500 bytes:\n\n") ); |
| 629 | |
| 630 | buf_input.Read( buf, 500 ); |
| 631 | |
| 632 | textCtrl.WriteText( wxT("wxBufferedInputStream.GetLastError() returns: ") ); |
| 633 | switch (buf_input.GetLastError()) |
| 634 | { |
| 635 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( wxT("wxSTREAM_NO_ERROR\n") ); break; |
| 636 | case wxSTREAM_EOF: textCtrl.WriteText( wxT("wxSTREAM_EOF\n") ); break; |
| 637 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( wxT("wxSTREAM_READ_ERROR\n") ); break; |
| 638 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( wxT("wxSTREAM_WRITE_ERROR\n") ); break; |
| 639 | default: textCtrl.WriteText( wxT("Huh?\n") ); break; |
| 640 | } |
| 641 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); |
| 642 | textCtrl.WriteText( msg ); |
| 643 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); |
| 644 | textCtrl.WriteText( msg ); |
| 645 | textCtrl.WriteText( wxT("\n\n") ); |
| 646 | } |
| 647 | |
| 648 | void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event)) |
| 649 | { |
| 650 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 651 | |
| 652 | textCtrl.Clear(); |
| 653 | textCtrl << wxT("\nTesting wxFileInputStream's Peek():\n\n"); |
| 654 | |
| 655 | char ch; |
| 656 | wxString str; |
| 657 | |
| 658 | textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); |
| 659 | |
| 660 | wxFileOutputStream file_output( file_name ); |
| 661 | for (ch = 0; ch < 10; ch++) |
| 662 | file_output.Write( &ch, 1 ); |
| 663 | |
| 664 | file_output.Sync(); |
| 665 | |
| 666 | wxFileInputStream file_input( file_name ); |
| 667 | |
| 668 | ch = file_input.Peek(); |
| 669 | str.Printf( wxT("First char peeked: %d\n"), (int) ch ); |
| 670 | textCtrl.WriteText( str ); |
| 671 | |
| 672 | ch = file_input.GetC(); |
| 673 | str.Printf( wxT("First char read: %d\n"), (int) ch ); |
| 674 | textCtrl.WriteText( str ); |
| 675 | |
| 676 | ch = file_input.Peek(); |
| 677 | str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); |
| 678 | textCtrl.WriteText( str ); |
| 679 | |
| 680 | ch = file_input.GetC(); |
| 681 | str.Printf( wxT("Second char read: %d\n"), (int) ch ); |
| 682 | textCtrl.WriteText( str ); |
| 683 | |
| 684 | ch = file_input.Peek(); |
| 685 | str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); |
| 686 | textCtrl.WriteText( str ); |
| 687 | |
| 688 | ch = file_input.GetC(); |
| 689 | str.Printf( wxT("Third char read: %d\n"), (int) ch ); |
| 690 | textCtrl.WriteText( str ); |
| 691 | |
| 692 | |
| 693 | textCtrl << wxT("\n\n\nTesting wxMemoryInputStream's Peek():\n\n"); |
| 694 | |
| 695 | char buf[] = { 0,1,2,3,4,5,6,7,8,9,10 }; |
| 696 | wxMemoryInputStream input( buf, 10 ); |
| 697 | |
| 698 | ch = input.Peek(); |
| 699 | str.Printf( wxT("First char peeked: %d\n"), (int) ch ); |
| 700 | textCtrl.WriteText( str ); |
| 701 | |
| 702 | ch = input.GetC(); |
| 703 | str.Printf( wxT("First char read: %d\n"), (int) ch ); |
| 704 | textCtrl.WriteText( str ); |
| 705 | |
| 706 | ch = input.Peek(); |
| 707 | str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); |
| 708 | textCtrl.WriteText( str ); |
| 709 | |
| 710 | ch = input.GetC(); |
| 711 | str.Printf( wxT("Second char read: %d\n"), (int) ch ); |
| 712 | textCtrl.WriteText( str ); |
| 713 | |
| 714 | ch = input.Peek(); |
| 715 | str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); |
| 716 | textCtrl.WriteText( str ); |
| 717 | |
| 718 | ch = input.GetC(); |
| 719 | str.Printf( wxT("Third char read: %d\n"), (int) ch ); |
| 720 | textCtrl.WriteText( str ); |
| 721 | } |
| 722 | |
| 723 | void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event)) |
| 724 | { |
| 725 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 726 | |
| 727 | textCtrl.Clear(); |
| 728 | textCtrl.WriteText( wxT("\nTesting Ungetch():\n\n") ); |
| 729 | |
| 730 | char ch = 0; |
| 731 | wxString str; |
| 732 | |
| 733 | textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); |
| 734 | |
| 735 | wxFileOutputStream file_output( file_name ); |
| 736 | for (ch = 0; ch < 10; ch++) |
| 737 | file_output.Write( &ch, 1 ); |
| 738 | |
| 739 | file_output.Sync(); |
| 740 | |
| 741 | textCtrl.WriteText( wxT("Reading char from wxFileInputStream:\n\n") ); |
| 742 | |
| 743 | wxFileInputStream file_input( file_name ); |
| 744 | |
| 745 | ch = file_input.GetC(); |
| 746 | size_t pos = (size_t)file_input.TellI(); |
| 747 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 748 | textCtrl.WriteText( str ); |
| 749 | |
| 750 | textCtrl.WriteText( wxT("Reading another char from wxFileInputStream:\n\n") ); |
| 751 | |
| 752 | ch = file_input.GetC(); |
| 753 | pos = (size_t)file_input.TellI(); |
| 754 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 755 | textCtrl.WriteText( str ); |
| 756 | |
| 757 | textCtrl.WriteText( wxT("Reading yet another char from wxFileInputStream:\n\n") ); |
| 758 | |
| 759 | ch = file_input.GetC(); |
| 760 | pos = (size_t)file_input.TellI(); |
| 761 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 762 | textCtrl.WriteText( str ); |
| 763 | |
| 764 | textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxFileInputStream...\n\n") ); |
| 765 | |
| 766 | file_input.Ungetch( 5 ); |
| 767 | pos = (size_t)file_input.TellI(); |
| 768 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); |
| 769 | textCtrl.WriteText( str ); |
| 770 | |
| 771 | textCtrl.WriteText( wxT("Reading char from wxFileInputStream:\n\n") ); |
| 772 | |
| 773 | ch = file_input.GetC(); |
| 774 | pos = (size_t)file_input.TellI(); |
| 775 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 776 | textCtrl.WriteText( str ); |
| 777 | |
| 778 | textCtrl.WriteText( wxT("Reading another char from wxFileInputStream:\n\n") ); |
| 779 | |
| 780 | ch = file_input.GetC(); |
| 781 | pos = (size_t)file_input.TellI(); |
| 782 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 783 | textCtrl.WriteText( str ); |
| 784 | |
| 785 | textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n") ); |
| 786 | |
| 787 | file_input.Ungetch( 5 ); |
| 788 | pos = (size_t)file_input.TellI(); |
| 789 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); |
| 790 | textCtrl.WriteText( str ); |
| 791 | |
| 792 | textCtrl.WriteText( wxT("Seeking to pos 3 in wxFileInputStream. This invalidates the writeback buffer.\n\n") ); |
| 793 | |
| 794 | file_input.SeekI( 3 ); |
| 795 | |
| 796 | ch = file_input.GetC(); |
| 797 | pos = (size_t)file_input.TellI(); |
| 798 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 799 | textCtrl.WriteText( str ); |
| 800 | } |
| 801 | |
| 802 | void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event)) |
| 803 | { |
| 804 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 805 | |
| 806 | textCtrl.Clear(); |
| 807 | textCtrl.WriteText( wxT("\nTesting Ungetch() in buffered input stream:\n\n") ); |
| 808 | |
| 809 | char ch = 0; |
| 810 | wxString str; |
| 811 | |
| 812 | textCtrl.WriteText( wxT("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); |
| 813 | |
| 814 | wxFileOutputStream file_output( file_name ); |
| 815 | for (ch = 0; ch < 10; ch++) |
| 816 | file_output.Write( &ch, 1 ); |
| 817 | |
| 818 | file_output.Sync(); |
| 819 | |
| 820 | textCtrl.WriteText( wxT("Reading char from wxBufferedInputStream via wxFileInputStream:\n\n") ); |
| 821 | |
| 822 | wxFileInputStream file_input( file_name ); |
| 823 | wxBufferedInputStream buf_input( file_input ); |
| 824 | |
| 825 | ch = buf_input.GetC(); |
| 826 | size_t pos = (size_t)buf_input.TellI(); |
| 827 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 828 | textCtrl.WriteText( str ); |
| 829 | |
| 830 | textCtrl.WriteText( wxT("Reading another char from wxBufferedInputStream:\n\n") ); |
| 831 | |
| 832 | ch = buf_input.GetC(); |
| 833 | pos = (size_t)buf_input.TellI(); |
| 834 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 835 | textCtrl.WriteText( str ); |
| 836 | |
| 837 | textCtrl.WriteText( wxT("Reading yet another char from wxBufferedInputStream:\n\n") ); |
| 838 | |
| 839 | ch = buf_input.GetC(); |
| 840 | pos = (size_t)buf_input.TellI(); |
| 841 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 842 | textCtrl.WriteText( str ); |
| 843 | |
| 844 | textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n") ); |
| 845 | |
| 846 | buf_input.Ungetch( 5 ); |
| 847 | pos = (size_t)buf_input.TellI(); |
| 848 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); |
| 849 | textCtrl.WriteText( str ); |
| 850 | |
| 851 | textCtrl.WriteText( wxT("Reading char from wxBufferedInputStream:\n\n") ); |
| 852 | |
| 853 | ch = buf_input.GetC(); |
| 854 | pos = (size_t)buf_input.TellI(); |
| 855 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 856 | textCtrl.WriteText( str ); |
| 857 | |
| 858 | textCtrl.WriteText( wxT("Reading another char from wxBufferedInputStream:\n\n") ); |
| 859 | |
| 860 | ch = buf_input.GetC(); |
| 861 | pos = (size_t)buf_input.TellI(); |
| 862 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 863 | textCtrl.WriteText( str ); |
| 864 | |
| 865 | textCtrl.WriteText( wxT("Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n") ); |
| 866 | |
| 867 | buf_input.Ungetch( 5 ); |
| 868 | pos = (size_t)buf_input.TellI(); |
| 869 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); |
| 870 | textCtrl.WriteText( str ); |
| 871 | |
| 872 | textCtrl.WriteText( wxT("Seeking to pos 3 in wxBufferedInputStream. This invalidates the writeback buffer.\n\n") ); |
| 873 | |
| 874 | buf_input.SeekI( 3 ); |
| 875 | |
| 876 | ch = buf_input.GetC(); |
| 877 | pos = (size_t)buf_input.TellI(); |
| 878 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); |
| 879 | textCtrl.WriteText( str ); |
| 880 | } |
| 881 | |
| 882 | #if wxUSE_UNICODE |
| 883 | void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event)) |
| 884 | { |
| 885 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 886 | |
| 887 | textCtrl.Clear(); |
| 888 | textCtrl << wxT("\nTest wchar_t to char (Unicode to ANSI/Multibyte) converions:"); |
| 889 | |
| 890 | wxString str; |
| 891 | str = wxT("Robert R\366bling\n"); |
| 892 | |
| 893 | printf( "\n\nConversion with wxConvLocal:\n" ); |
| 894 | wxConvCurrent = &wxConvLocal; |
| 895 | puts( str.mbc_str() ); |
| 896 | printf( "\n\nConversion with wxConvLibc:\n" ); |
| 897 | wxConvCurrent = &wxConvLibc; |
| 898 | puts( str.mbc_str() ); |
| 899 | |
| 900 | } |
| 901 | #endif |
| 902 | |
| 903 | void MyApp::DoMIMEDemo(wxCommandEvent& WXUNUSED(event)) |
| 904 | { |
| 905 | static wxString s_defaultExt = wxT("xyz"); |
| 906 | |
| 907 | wxString ext = wxGetTextFromUser(wxT("Enter a file extension: "), |
| 908 | wxT("MIME database test"), |
| 909 | s_defaultExt); |
| 910 | if ( !!ext ) |
| 911 | { |
| 912 | s_defaultExt = ext; |
| 913 | |
| 914 | // init MIME database if not done yet |
| 915 | if ( !m_mimeDatabase ) |
| 916 | { |
| 917 | m_mimeDatabase = new wxMimeTypesManager; |
| 918 | |
| 919 | static const wxFileTypeInfo fallbacks[] = |
| 920 | { |
| 921 | wxFileTypeInfo(wxT("application/xyz"), |
| 922 | wxT("XyZ %s"), |
| 923 | wxT("XyZ -p %s"), |
| 924 | wxT("The one and only XYZ format file"), |
| 925 | wxT("xyz"), wxT("123"), wxNullPtr), |
| 926 | wxFileTypeInfo(wxT("text/html"), |
| 927 | wxT("lynx %s"), |
| 928 | wxT("lynx -dump %s | lpr"), |
| 929 | wxT("HTML document (from fallback)"), |
| 930 | wxT("htm"), wxT("html"), wxNullPtr), |
| 931 | |
| 932 | // must terminate the table with this! |
| 933 | wxFileTypeInfo() |
| 934 | }; |
| 935 | |
| 936 | m_mimeDatabase->AddFallbacks(fallbacks); |
| 937 | } |
| 938 | |
| 939 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 940 | |
| 941 | wxFileType *filetype = m_mimeDatabase->GetFileTypeFromExtension(ext); |
| 942 | if ( !filetype ) |
| 943 | { |
| 944 | textCtrl << wxT("Unknown extension '") << ext << wxT("'\n"); |
| 945 | } |
| 946 | else |
| 947 | { |
| 948 | wxString type, desc, open; |
| 949 | filetype->GetMimeType(&type); |
| 950 | filetype->GetDescription(&desc); |
| 951 | |
| 952 | wxString filename = wxT("filename"); |
| 953 | filename << wxT(".") << ext; |
| 954 | wxFileType::MessageParameters params(filename, type); |
| 955 | filetype->GetOpenCommand(&open, params); |
| 956 | |
| 957 | textCtrl << wxT("MIME information about extension '") << ext << wxT('\n') |
| 958 | << wxT("\tMIME type: ") << ( !type ? wxString("unknown") : type ) << wxT('\n') |
| 959 | << wxT("\tDescription: ") << ( !desc ? wxString(wxEmptyString) : desc ) |
| 960 | << wxT('\n') |
| 961 | << wxT("\tCommand to open: ") << ( !open ? wxString("no") : open ) |
| 962 | << wxT('\n'); |
| 963 | |
| 964 | delete filetype; |
| 965 | } |
| 966 | } |
| 967 | //else: cancelled by user |
| 968 | } |
| 969 | |
| 970 | void MyApp::DoByteOrderDemo(wxCommandEvent& WXUNUSED(event)) |
| 971 | { |
| 972 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 973 | |
| 974 | textCtrl.Clear(); |
| 975 | textCtrl << wxT("\nTest byte order macros:\n\n"); |
| 976 | |
| 977 | #if wxBYTE_ORDER == wxLITTLE_ENDIAN |
| 978 | textCtrl << wxT("This is a little endian system.\n\n"); |
| 979 | #else |
| 980 | textCtrl << wxT("This is a big endian system.\n\n"); |
| 981 | #endif |
| 982 | |
| 983 | wxString text; |
| 984 | |
| 985 | wxInt32 var = 0xF1F2F3F4; |
| 986 | text = wxEmptyString; |
| 987 | text.Printf( wxT("Value of wxInt32 is now: %#x.\n\n"), var ); |
| 988 | textCtrl.WriteText( text ); |
| 989 | |
| 990 | text = wxEmptyString; |
| 991 | text.Printf( wxT("Value of swapped wxInt32 is: %#x.\n\n"), wxINT32_SWAP_ALWAYS( var ) ); |
| 992 | textCtrl.WriteText( text ); |
| 993 | |
| 994 | text = wxEmptyString; |
| 995 | text.Printf( wxT("Value of wxInt32 swapped on little endian is: %#x.\n\n"), wxINT32_SWAP_ON_LE( var ) ); |
| 996 | textCtrl.WriteText( text ); |
| 997 | |
| 998 | text = wxEmptyString; |
| 999 | text.Printf( wxT("Value of wxInt32 swapped on big endian is: %#x.\n\n"), wxINT32_SWAP_ON_BE( var ) ); |
| 1000 | textCtrl.WriteText( text ); |
| 1001 | } |
| 1002 | |
| 1003 | void MyApp::DoVariantDemo(wxCommandEvent& WXUNUSED(event) ) |
| 1004 | { |
| 1005 | wxTextCtrl& textCtrl = * GetTextCtrl(); |
| 1006 | |
| 1007 | wxVariant var1 = wxT("String value"); |
| 1008 | textCtrl << wxT("var1 = ") << var1.MakeString() << wxT("\n"); |
| 1009 | |
| 1010 | // Conversion |
| 1011 | wxString str = var1.MakeString(); |
| 1012 | |
| 1013 | var1 = 123.456; |
| 1014 | textCtrl << wxT("var1 = ") << var1.GetReal() << wxT("\n"); |
| 1015 | |
| 1016 | // Implicit conversion |
| 1017 | double v = var1; |
| 1018 | |
| 1019 | var1 = 9876L; |
| 1020 | textCtrl << wxT("var1 = ") << var1.GetLong() << wxT("\n"); |
| 1021 | |
| 1022 | // Implicit conversion |
| 1023 | long l = var1; |
| 1024 | |
| 1025 | // suppress compile warnings about unused variables |
| 1026 | wxUnusedVar(l); |
| 1027 | wxUnusedVar(v); |
| 1028 | |
| 1029 | wxArrayString stringArray; |
| 1030 | stringArray.Add(wxT("one")); stringArray.Add(wxT("two")); stringArray.Add(wxT("three")); |
| 1031 | var1 = stringArray; |
| 1032 | textCtrl << wxT("var1 = ") << var1.MakeString() << wxT("\n"); |
| 1033 | |
| 1034 | var1.ClearList(); |
| 1035 | var1.Append(wxVariant(1.2345)); |
| 1036 | var1.Append(wxVariant(wxT("hello"))); |
| 1037 | var1.Append(wxVariant(54321L)); |
| 1038 | |
| 1039 | textCtrl << wxT("var1 = ") << var1.MakeString() << wxT("\n"); |
| 1040 | |
| 1041 | size_t n = var1.GetCount(); |
| 1042 | size_t i; |
| 1043 | for (i = (size_t) 0; i < n; i++) |
| 1044 | { |
| 1045 | textCtrl << wxT("var1[") << (int) i << wxT("] (type ") << var1[i].GetType() << wxT(") = ") << var1[i].MakeString() << wxT("\n"); |
| 1046 | } |
| 1047 | |
| 1048 | var1 = wxVariant(new wxFont(wxSystemSettings::GetFont(wxSYS_OEM_FIXED_FONT))); |
| 1049 | textCtrl << wxT("var1 = (wxfont)\""); |
| 1050 | wxFont* font = wxGetVariantCast(var1,wxFont); |
| 1051 | if (font) |
| 1052 | { |
| 1053 | textCtrl << font->GetNativeFontInfoDesc() << wxT("\"\n"); |
| 1054 | } |
| 1055 | else |
| 1056 | { |
| 1057 | textCtrl << wxT("(null)\"\n"); |
| 1058 | } |
| 1059 | } |
| 1060 | |
| 1061 | BEGIN_EVENT_TABLE(MyFrame, wxFrame) |
| 1062 | EVT_MENU(TYPES_QUIT, MyFrame::OnQuit) |
| 1063 | EVT_MENU(TYPES_ABOUT, MyFrame::OnAbout) |
| 1064 | END_EVENT_TABLE() |
| 1065 | |
| 1066 | // My frame constructor |
| 1067 | MyFrame::MyFrame(wxFrame *parent, const wxString& title, |
| 1068 | const wxPoint& pos, const wxSize& size) |
| 1069 | : wxFrame(parent, wxID_ANY, title, pos, size) |
| 1070 | {} |
| 1071 | |
| 1072 | void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) ) |
| 1073 | { |
| 1074 | Close(true); |
| 1075 | } |
| 1076 | |
| 1077 | void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) ) |
| 1078 | { |
| 1079 | wxMessageDialog dialog(this, wxT("Tests various wxWidgets types"), |
| 1080 | wxT("About Types"), wxYES_NO|wxCANCEL); |
| 1081 | |
| 1082 | dialog.ShowModal(); |
| 1083 | } |
| 1084 | |
| 1085 | |