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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 license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "typetest.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx/wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #ifndef WX_PRECOMP | |
24 | #include "wx/wx.h" | |
25 | #endif | |
26 | ||
27 | #include "wx/variant.h" | |
28 | #include "wx/mimetype.h" | |
29 | ||
30 | #include "typetest.h" | |
31 | ||
32 | #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) | |
33 | #include "mondrian.xpm" | |
34 | #endif | |
35 | ||
36 | #ifdef new | |
37 | #undef new | |
38 | #endif | |
39 | ||
40 | #include "wx/ioswrap.h" | |
41 | ||
42 | #if wxUSE_IOSTREAMH | |
43 | #include <fstream.h> | |
44 | #else | |
45 | #include <fstream> | |
46 | #endif | |
47 | ||
48 | #include "wx/wfstream.h" | |
49 | #include "wx/datstrm.h" | |
50 | #include "wx/txtstrm.h" | |
51 | #include "wx/mstream.h" | |
52 | ||
53 | // Create a new application object | |
54 | IMPLEMENT_APP (MyApp) | |
55 | ||
56 | IMPLEMENT_DYNAMIC_CLASS (MyApp, wxApp) | |
57 | ||
58 | BEGIN_EVENT_TABLE(MyApp, wxApp) | |
59 | EVT_MENU(TYPES_VARIANT, MyApp::DoVariantDemo) | |
60 | EVT_MENU(TYPES_BYTEORDER, MyApp::DoByteOrderDemo) | |
61 | #if wxUSE_UNICODE | |
62 | EVT_MENU(TYPES_UNICODE, MyApp::DoUnicodeDemo) | |
63 | #endif // wxUSE_UNICODE | |
64 | EVT_MENU(TYPES_STREAM, MyApp::DoStreamDemo) | |
65 | EVT_MENU(TYPES_STREAM2, MyApp::DoStreamDemo2) | |
66 | EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3) | |
67 | EVT_MENU(TYPES_STREAM4, MyApp::DoStreamDemo4) | |
68 | EVT_MENU(TYPES_STREAM5, MyApp::DoStreamDemo5) | |
69 | EVT_MENU(TYPES_STREAM6, MyApp::DoStreamDemo6) | |
70 | EVT_MENU(TYPES_STREAM7, MyApp::DoStreamDemo7) | |
71 | EVT_MENU(TYPES_MIME, MyApp::DoMIMEDemo) | |
72 | END_EVENT_TABLE() | |
73 | ||
74 | wxString file_name = _T("test_wx.dat"); | |
75 | wxString file_name2 = wxString(_T("test_wx2.dat")); | |
76 | ||
77 | bool MyApp::OnInit() | |
78 | { | |
79 | // Create the main frame window | |
80 | MyFrame *frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Types Demo"), | |
81 | wxPoint(50, 50), wxSize(450, 340)); | |
82 | ||
83 | // Give it an icon | |
84 | frame->SetIcon(wxICON(mondrian)); | |
85 | ||
86 | // Make a menubar | |
87 | wxMenu *file_menu = new wxMenu; | |
88 | ||
89 | file_menu->Append(TYPES_ABOUT, _T("&About")); | |
90 | file_menu->AppendSeparator(); | |
91 | file_menu->Append(TYPES_QUIT, _T("E&xit\tAlt-X")); | |
92 | ||
93 | wxMenu *test_menu = new wxMenu; | |
94 | test_menu->Append(TYPES_VARIANT, _T("&Variant test")); | |
95 | test_menu->Append(TYPES_BYTEORDER, _T("&Byteorder test")); | |
96 | #if wxUSE_UNICODE | |
97 | test_menu->Append(TYPES_UNICODE, _T("&Unicode test")); | |
98 | #endif // wxUSE_UNICODE | |
99 | test_menu->Append(TYPES_STREAM, _T("&Stream test")); | |
100 | test_menu->Append(TYPES_STREAM2, _T("&Stream seek test")); | |
101 | test_menu->Append(TYPES_STREAM3, _T("&Stream error test")); | |
102 | test_menu->Append(TYPES_STREAM4, _T("&Stream buffer test")); | |
103 | test_menu->Append(TYPES_STREAM5, _T("&Stream peek test")); | |
104 | test_menu->Append(TYPES_STREAM6, _T("&Stream ungetch test")); | |
105 | test_menu->Append(TYPES_STREAM7, _T("&Stream ungetch test for a buffered stream")); | |
106 | test_menu->AppendSeparator(); | |
107 | test_menu->Append(TYPES_MIME, _T("&MIME database test")); | |
108 | ||
109 | wxMenuBar *menu_bar = new wxMenuBar; | |
110 | menu_bar->Append(file_menu, _T("&File")); | |
111 | menu_bar->Append(test_menu, _T("&Tests")); | |
112 | frame->SetMenuBar(menu_bar); | |
113 | ||
114 | m_textCtrl = new wxTextCtrl(frame, wxID_ANY, wxEmptyString, | |
115 | wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); | |
116 | ||
117 | // Show the frame | |
118 | frame->Show(true); | |
119 | ||
120 | SetTopWindow(frame); | |
121 | ||
122 | return true; | |
123 | } | |
124 | ||
125 | void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) | |
126 | { | |
127 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
128 | ||
129 | textCtrl.Clear(); | |
130 | textCtrl << _T("\nTest fstream vs. wxFileStream:\n\n"); | |
131 | ||
132 | textCtrl.WriteText( _T("Writing to ofstream and wxFileOutputStream:\n") ); | |
133 | ||
134 | wxSTD ofstream std_file_output( "test_std.dat" ); | |
135 | wxFileOutputStream file_output( file_name ); | |
136 | wxBufferedOutputStream buf_output( file_output ); | |
137 | wxTextOutputStream text_output( buf_output ); | |
138 | ||
139 | wxString tmp; | |
140 | signed int si = 0xFFFFFFFF; | |
141 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
142 | textCtrl.WriteText( tmp ); | |
143 | text_output << si << _T("\n"); | |
144 | std_file_output << si << "\n"; | |
145 | ||
146 | unsigned int ui = 0xFFFFFFFF; | |
147 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
148 | textCtrl.WriteText( tmp ); | |
149 | text_output << ui << _T("\n"); | |
150 | std_file_output << ui << "\n"; | |
151 | ||
152 | double d = 2.01234567890123456789; | |
153 | tmp.Printf( _T("Double: %f\n"), d ); | |
154 | textCtrl.WriteText( tmp ); | |
155 | text_output << d << _T("\n"); | |
156 | std_file_output << d << "\n"; | |
157 | ||
158 | float f = (float)0.00001; | |
159 | tmp.Printf( _T("Float: %f\n"), f ); | |
160 | textCtrl.WriteText( tmp ); | |
161 | text_output << f << _T("\n"); | |
162 | std_file_output << f << "\n"; | |
163 | ||
164 | wxString str( _T("Hello!") ); | |
165 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
166 | textCtrl.WriteText( tmp ); | |
167 | text_output << str << _T("\n"); | |
168 | std_file_output << str.ToAscii() << "\n"; | |
169 | ||
170 | textCtrl.WriteText( _T("\nReading from ifstream:\n") ); | |
171 | ||
172 | wxSTD ifstream std_file_input( "test_std.dat" ); | |
173 | ||
174 | std_file_input >> si; | |
175 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
176 | textCtrl.WriteText( tmp ); | |
177 | ||
178 | std_file_input >> ui; | |
179 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
180 | textCtrl.WriteText( tmp ); | |
181 | ||
182 | std_file_input >> d; | |
183 | tmp.Printf( _T("Double: %f\n"), d ); | |
184 | textCtrl.WriteText( tmp ); | |
185 | ||
186 | std_file_input >> f; | |
187 | tmp.Printf( _T("Float: %f\n"), f ); | |
188 | textCtrl.WriteText( tmp ); | |
189 | ||
190 | char std_buf[200]; | |
191 | std_file_input >> std_buf; | |
192 | str = wxString::FromAscii(std_buf); | |
193 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
194 | textCtrl.WriteText( tmp ); | |
195 | ||
196 | textCtrl.WriteText( _T("\nReading from wxFileInputStream:\n") ); | |
197 | ||
198 | buf_output.Sync(); | |
199 | ||
200 | wxFileInputStream file_input( file_name ); | |
201 | wxBufferedInputStream buf_input( file_input ); | |
202 | wxTextInputStream text_input( file_input ); | |
203 | ||
204 | text_input >> si; | |
205 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
206 | textCtrl.WriteText( tmp ); | |
207 | ||
208 | text_input >> ui; | |
209 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
210 | textCtrl.WriteText( tmp ); | |
211 | ||
212 | text_input >> d; | |
213 | tmp.Printf( _T("Double: %f\n"), d ); | |
214 | textCtrl.WriteText( tmp ); | |
215 | ||
216 | text_input >> f; | |
217 | tmp.Printf( _T("Float: %f\n"), f ); | |
218 | textCtrl.WriteText( tmp ); | |
219 | ||
220 | text_input >> str; | |
221 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
222 | textCtrl.WriteText( tmp ); | |
223 | ||
224 | ||
225 | ||
226 | textCtrl << _T("\nTest for wxDataStream:\n\n"); | |
227 | ||
228 | textCtrl.WriteText( _T("Writing to wxDataOutputStream:\n") ); | |
229 | ||
230 | file_output.SeekO( 0 ); | |
231 | wxDataOutputStream data_output( buf_output ); | |
232 | ||
233 | wxInt16 i16 = (unsigned short)0xFFFF; | |
234 | tmp.Printf( _T("Signed int16: %d\n"), (int)i16 ); | |
235 | textCtrl.WriteText( tmp ); | |
236 | data_output.Write16( i16 ); | |
237 | ||
238 | wxUint16 ui16 = 0xFFFF; | |
239 | tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 ); | |
240 | textCtrl.WriteText( tmp ); | |
241 | data_output.Write16( ui16 ); | |
242 | ||
243 | d = 2.01234567890123456789; | |
244 | tmp.Printf( _T("Double: %f\n"), d ); | |
245 | textCtrl.WriteText( tmp ); | |
246 | data_output.WriteDouble( d ); | |
247 | ||
248 | str = _T("Hello!"); | |
249 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
250 | textCtrl.WriteText( tmp ); | |
251 | data_output.WriteString( str ); | |
252 | ||
253 | buf_output.Sync(); | |
254 | ||
255 | textCtrl.WriteText( _T("\nReading from wxDataInputStream:\n") ); | |
256 | ||
257 | file_input.SeekI( 0 ); | |
258 | wxDataInputStream data_input( buf_input ); | |
259 | ||
260 | i16 = data_input.Read16(); | |
261 | tmp.Printf( _T("Signed int16: %d\n"), (int)i16 ); | |
262 | textCtrl.WriteText( tmp ); | |
263 | ||
264 | ui16 = data_input.Read16(); | |
265 | tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 ); | |
266 | textCtrl.WriteText( tmp ); | |
267 | ||
268 | d = data_input.ReadDouble(); | |
269 | tmp.Printf( _T("Double: %f\n"), d ); | |
270 | textCtrl.WriteText( tmp ); | |
271 | ||
272 | str = data_input.ReadString(); | |
273 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
274 | textCtrl.WriteText( tmp ); | |
275 | } | |
276 | ||
277 | void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) | |
278 | { | |
279 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
280 | ||
281 | textCtrl.Clear(); | |
282 | textCtrl << _T("\nTesting wxBufferedStream:\n\n"); | |
283 | ||
284 | char ch,ch2; | |
285 | ||
286 | textCtrl.WriteText( _T("Writing number 0 to 9 to buffered wxFileOutputStream:\n\n") ); | |
287 | ||
288 | wxFileOutputStream file_output( file_name ); | |
289 | wxBufferedOutputStream buf_output( file_output ); | |
290 | for (ch = 0; ch < 10; ch++) | |
291 | buf_output.Write( &ch, 1 ); | |
292 | buf_output.Sync(); | |
293 | ||
294 | wxFileInputStream file_input( file_name ); | |
295 | for (ch2 = 0; ch2 < 10; ch2++) | |
296 | { | |
297 | file_input.Read( &ch, 1 ); | |
298 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
299 | } | |
300 | textCtrl.WriteText( _T("\n\n\n") ); | |
301 | ||
302 | textCtrl.WriteText( _T("Writing number 0 to 9 to buffered wxFileOutputStream, then\n") ); | |
303 | textCtrl.WriteText( _T("seeking back to #3 and writing 0:\n\n") ); | |
304 | ||
305 | wxFileOutputStream file_output2( file_name2 ); | |
306 | wxBufferedOutputStream buf_output2( file_output2 ); | |
307 | for (ch = 0; ch < 10; ch++) | |
308 | buf_output2.Write( &ch, 1 ); | |
309 | buf_output2.SeekO( 3 ); | |
310 | ch = 0; | |
311 | buf_output2.Write( &ch, 1 ); | |
312 | buf_output2.Sync(); | |
313 | ||
314 | wxFileInputStream file_input2( file_name2 ); | |
315 | for (ch2 = 0; ch2 < 10; ch2++) | |
316 | { | |
317 | file_input2.Read( &ch, 1 ); | |
318 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
319 | } | |
320 | textCtrl.WriteText( _T("\n\n\n") ); | |
321 | ||
322 | // now append 2000 bytes to file (bigger than buffer) | |
323 | buf_output2.SeekO( 0, wxFromEnd ); | |
324 | ch = 1; | |
325 | for (int i = 0; i < 2000; i++) | |
326 | buf_output2.Write( &ch, 1 ); | |
327 | buf_output2.Sync(); | |
328 | ||
329 | textCtrl.WriteText( _T("Reading number 0 to 9 from buffered wxFileInputStream, then\n") ); | |
330 | textCtrl.WriteText( _T("seeking back to #3 and reading the 0:\n\n") ); | |
331 | ||
332 | wxFileInputStream file_input3( file_name2 ); | |
333 | wxBufferedInputStream buf_input3( file_input3 ); | |
334 | for (ch2 = 0; ch2 < 10; ch2++) | |
335 | { | |
336 | buf_input3.Read( &ch, 1 ); | |
337 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
338 | } | |
339 | for (int j = 0; j < 2000; j++) | |
340 | buf_input3.Read( &ch, 1 ); | |
341 | textCtrl.WriteText( _T("\n") ); | |
342 | buf_input3.SeekI( 3 ); | |
343 | buf_input3.Read( &ch, 1 ); | |
344 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
345 | textCtrl.WriteText( _T("\n\n\n") ); | |
346 | ||
347 | } | |
348 | ||
349 | void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) | |
350 | { | |
351 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
352 | ||
353 | textCtrl.Clear(); | |
354 | textCtrl << _T("\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n"); | |
355 | ||
356 | char ch,ch2; | |
357 | ||
358 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); | |
359 | ||
360 | wxFileOutputStream file_output( file_name ); | |
361 | for (ch = 0; ch < 10; ch++) | |
362 | file_output.Write( &ch, 1 ); | |
363 | ||
364 | // Testing wxFileInputStream | |
365 | ||
366 | textCtrl.WriteText( _T("Reading 0 to 10 to wxFileInputStream:\n\n") ); | |
367 | ||
368 | wxFileInputStream file_input( file_name ); | |
369 | for (ch2 = 0; ch2 < 11; ch2++) | |
370 | { | |
371 | file_input.Read( &ch, 1 ); | |
372 | textCtrl.WriteText( _T("Value read: ") ); | |
373 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
374 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
375 | switch (file_input.GetLastError()) | |
376 | { | |
377 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
378 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
379 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
380 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
381 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
382 | } | |
383 | } | |
384 | textCtrl.WriteText( _T("\n") ); | |
385 | ||
386 | textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") ); | |
387 | file_input.SeekI( 0 ); | |
388 | switch (file_input.GetLastError()) | |
389 | { | |
390 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
391 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
392 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
393 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
394 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
395 | } | |
396 | textCtrl.WriteText( _T("\n") ); | |
397 | ||
398 | file_input.Read( &ch, 1 ); | |
399 | textCtrl.WriteText( _T("Value read: ") ); | |
400 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
401 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
402 | switch (file_input.GetLastError()) | |
403 | { | |
404 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
405 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
406 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
407 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
408 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
409 | } | |
410 | textCtrl.WriteText( _T("\n\n") ); | |
411 | ||
412 | ||
413 | // Testing wxFFileInputStream | |
414 | ||
415 | textCtrl.WriteText( _T("Reading 0 to 10 to wxFFileInputStream:\n\n") ); | |
416 | ||
417 | wxFFileInputStream ffile_input( file_name ); | |
418 | for (ch2 = 0; ch2 < 11; ch2++) | |
419 | { | |
420 | ffile_input.Read( &ch, 1 ); | |
421 | textCtrl.WriteText( _T("Value read: ") ); | |
422 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
423 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
424 | switch (ffile_input.GetLastError()) | |
425 | { | |
426 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
427 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
428 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
429 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
430 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
431 | } | |
432 | } | |
433 | textCtrl.WriteText( _T("\n") ); | |
434 | ||
435 | textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") ); | |
436 | ffile_input.SeekI( 0 ); | |
437 | switch (ffile_input.GetLastError()) | |
438 | { | |
439 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
440 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
441 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
442 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
443 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
444 | } | |
445 | textCtrl.WriteText( _T("\n") ); | |
446 | ||
447 | ffile_input.Read( &ch, 1 ); | |
448 | textCtrl.WriteText( _T("Value read: ") ); | |
449 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
450 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
451 | switch (ffile_input.GetLastError()) | |
452 | { | |
453 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
454 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
455 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
456 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
457 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
458 | } | |
459 | textCtrl.WriteText( _T("\n\n") ); | |
460 | ||
461 | // Testing wxFFileInputStream | |
462 | ||
463 | textCtrl.WriteText( _T("Reading 0 to 10 to buffered wxFFileInputStream:\n\n") ); | |
464 | ||
465 | wxFFileInputStream ffile_input2( file_name ); | |
466 | wxBufferedInputStream buf_input( ffile_input2 ); | |
467 | for (ch2 = 0; ch2 < 11; ch2++) | |
468 | { | |
469 | buf_input.Read( &ch, 1 ); | |
470 | textCtrl.WriteText( _T("Value read: ") ); | |
471 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
472 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
473 | switch (buf_input.GetLastError()) | |
474 | { | |
475 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
476 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
477 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
478 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
479 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
480 | } | |
481 | } | |
482 | textCtrl.WriteText( _T("\n") ); | |
483 | ||
484 | textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") ); | |
485 | buf_input.SeekI( 0 ); | |
486 | switch (buf_input.GetLastError()) | |
487 | { | |
488 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
489 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
490 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
491 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
492 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
493 | } | |
494 | textCtrl.WriteText( _T("\n") ); | |
495 | ||
496 | buf_input.Read( &ch, 1 ); | |
497 | textCtrl.WriteText( _T("Value read: ") ); | |
498 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
499 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
500 | switch (buf_input.GetLastError()) | |
501 | { | |
502 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
503 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
504 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
505 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
506 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
507 | } | |
508 | } | |
509 | ||
510 | void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) | |
511 | { | |
512 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
513 | ||
514 | wxString msg; | |
515 | ||
516 | textCtrl.Clear(); | |
517 | textCtrl << _T("\nTesting wxStreamBuffer:\n\n"); | |
518 | ||
519 | // bigger than buffer | |
520 | textCtrl.WriteText( _T("Writing 2000x 1 to wxFileOutputStream.\n\n") ); | |
521 | ||
522 | wxFileOutputStream file_output( file_name ); | |
523 | for (int i = 0; i < 2000; i++) | |
524 | { | |
525 | char ch = 1; | |
526 | file_output.Write( &ch, 1 ); | |
527 | } | |
528 | ||
529 | textCtrl.WriteText( _T("Opening with a buffered wxFileInputStream:\n\n") ); | |
530 | ||
531 | wxFileInputStream file_input( file_name ); | |
532 | wxBufferedInputStream buf_input( file_input ); | |
533 | ||
534 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
535 | switch (buf_input.GetLastError()) | |
536 | { | |
537 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
538 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
539 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
540 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
541 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
542 | } | |
543 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
544 | textCtrl.WriteText( msg ); | |
545 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
546 | textCtrl.WriteText( msg ); | |
547 | textCtrl.WriteText( _T("\n\n") ); | |
548 | ||
549 | ||
550 | textCtrl.WriteText( _T("Seeking to position 300:\n\n") ); | |
551 | ||
552 | buf_input.SeekI( 300 ); | |
553 | ||
554 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
555 | switch (buf_input.GetLastError()) | |
556 | { | |
557 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
558 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
559 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
560 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
561 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
562 | } | |
563 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
564 | textCtrl.WriteText( msg ); | |
565 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
566 | textCtrl.WriteText( msg ); | |
567 | textCtrl.WriteText( _T("\n\n") ); | |
568 | ||
569 | ||
570 | char buf[2000]; | |
571 | ||
572 | textCtrl.WriteText( _T("Reading 500 bytes:\n\n") ); | |
573 | ||
574 | buf_input.Read( buf, 500 ); | |
575 | ||
576 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
577 | switch (buf_input.GetLastError()) | |
578 | { | |
579 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
580 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
581 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
582 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
583 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
584 | } | |
585 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
586 | textCtrl.WriteText( msg ); | |
587 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
588 | textCtrl.WriteText( msg ); | |
589 | textCtrl.WriteText( _T("\n\n") ); | |
590 | ||
591 | textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") ); | |
592 | ||
593 | buf_input.Read( buf, 500 ); | |
594 | ||
595 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
596 | switch (buf_input.GetLastError()) | |
597 | { | |
598 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
599 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
600 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
601 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
602 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
603 | } | |
604 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
605 | textCtrl.WriteText( msg ); | |
606 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
607 | textCtrl.WriteText( msg ); | |
608 | textCtrl.WriteText( _T("\n\n") ); | |
609 | ||
610 | textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") ); | |
611 | ||
612 | buf_input.Read( buf, 500 ); | |
613 | ||
614 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
615 | switch (buf_input.GetLastError()) | |
616 | { | |
617 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
618 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
619 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
620 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
621 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
622 | } | |
623 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
624 | textCtrl.WriteText( msg ); | |
625 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
626 | textCtrl.WriteText( msg ); | |
627 | textCtrl.WriteText( _T("\n\n") ); | |
628 | ||
629 | textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") ); | |
630 | ||
631 | buf_input.Read( buf, 500 ); | |
632 | ||
633 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
634 | switch (buf_input.GetLastError()) | |
635 | { | |
636 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
637 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
638 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
639 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
640 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
641 | } | |
642 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
643 | textCtrl.WriteText( msg ); | |
644 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
645 | textCtrl.WriteText( msg ); | |
646 | textCtrl.WriteText( _T("\n\n") ); | |
647 | } | |
648 | ||
649 | void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event)) | |
650 | { | |
651 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
652 | ||
653 | textCtrl.Clear(); | |
654 | textCtrl << _T("\nTesting wxFileInputStream's Peek():\n\n"); | |
655 | ||
656 | char ch; | |
657 | wxString str; | |
658 | ||
659 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); | |
660 | ||
661 | wxFileOutputStream file_output( file_name ); | |
662 | for (ch = 0; ch < 10; ch++) | |
663 | file_output.Write( &ch, 1 ); | |
664 | ||
665 | file_output.Sync(); | |
666 | ||
667 | wxFileInputStream file_input( file_name ); | |
668 | ||
669 | ch = file_input.Peek(); | |
670 | str.Printf( wxT("First char peeked: %d\n"), (int) ch ); | |
671 | textCtrl.WriteText( str ); | |
672 | ||
673 | ch = file_input.GetC(); | |
674 | str.Printf( wxT("First char read: %d\n"), (int) ch ); | |
675 | textCtrl.WriteText( str ); | |
676 | ||
677 | ch = file_input.Peek(); | |
678 | str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); | |
679 | textCtrl.WriteText( str ); | |
680 | ||
681 | ch = file_input.GetC(); | |
682 | str.Printf( wxT("Second char read: %d\n"), (int) ch ); | |
683 | textCtrl.WriteText( str ); | |
684 | ||
685 | ch = file_input.Peek(); | |
686 | str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); | |
687 | textCtrl.WriteText( str ); | |
688 | ||
689 | ch = file_input.GetC(); | |
690 | str.Printf( wxT("Third char read: %d\n"), (int) ch ); | |
691 | textCtrl.WriteText( str ); | |
692 | ||
693 | ||
694 | textCtrl << _T("\n\n\nTesting wxMemoryInputStream's Peek():\n\n"); | |
695 | ||
696 | char buf[] = { 0,1,2,3,4,5,6,7,8,9,10 }; | |
697 | wxMemoryInputStream input( buf, 10 ); | |
698 | ||
699 | ch = input.Peek(); | |
700 | str.Printf( wxT("First char peeked: %d\n"), (int) ch ); | |
701 | textCtrl.WriteText( str ); | |
702 | ||
703 | ch = input.GetC(); | |
704 | str.Printf( wxT("First char read: %d\n"), (int) ch ); | |
705 | textCtrl.WriteText( str ); | |
706 | ||
707 | ch = input.Peek(); | |
708 | str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); | |
709 | textCtrl.WriteText( str ); | |
710 | ||
711 | ch = input.GetC(); | |
712 | str.Printf( wxT("Second char read: %d\n"), (int) ch ); | |
713 | textCtrl.WriteText( str ); | |
714 | ||
715 | ch = input.Peek(); | |
716 | str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); | |
717 | textCtrl.WriteText( str ); | |
718 | ||
719 | ch = input.GetC(); | |
720 | str.Printf( wxT("Third char read: %d\n"), (int) ch ); | |
721 | textCtrl.WriteText( str ); | |
722 | } | |
723 | ||
724 | void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event)) | |
725 | { | |
726 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
727 | ||
728 | textCtrl.Clear(); | |
729 | textCtrl.WriteText( _T("\nTesting Ungetch():\n\n") ); | |
730 | ||
731 | char ch = 0; | |
732 | wxString str; | |
733 | ||
734 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); | |
735 | ||
736 | wxFileOutputStream file_output( file_name ); | |
737 | for (ch = 0; ch < 10; ch++) | |
738 | file_output.Write( &ch, 1 ); | |
739 | ||
740 | file_output.Sync(); | |
741 | ||
742 | textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") ); | |
743 | ||
744 | wxFileInputStream file_input( file_name ); | |
745 | ||
746 | ch = file_input.GetC(); | |
747 | size_t pos = (size_t)file_input.TellI(); | |
748 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
749 | textCtrl.WriteText( str ); | |
750 | ||
751 | textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") ); | |
752 | ||
753 | ch = file_input.GetC(); | |
754 | pos = (size_t)file_input.TellI(); | |
755 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
756 | textCtrl.WriteText( str ); | |
757 | ||
758 | textCtrl.WriteText( _T("Reading yet another char from wxFileInputStream:\n\n") ); | |
759 | ||
760 | ch = file_input.GetC(); | |
761 | pos = (size_t)file_input.TellI(); | |
762 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
763 | textCtrl.WriteText( str ); | |
764 | ||
765 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream...\n\n") ); | |
766 | ||
767 | file_input.Ungetch( 5 ); | |
768 | pos = (size_t)file_input.TellI(); | |
769 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
770 | textCtrl.WriteText( str ); | |
771 | ||
772 | textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") ); | |
773 | ||
774 | ch = file_input.GetC(); | |
775 | pos = (size_t)file_input.TellI(); | |
776 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
777 | textCtrl.WriteText( str ); | |
778 | ||
779 | textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") ); | |
780 | ||
781 | ch = file_input.GetC(); | |
782 | pos = (size_t)file_input.TellI(); | |
783 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
784 | textCtrl.WriteText( str ); | |
785 | ||
786 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n") ); | |
787 | ||
788 | file_input.Ungetch( 5 ); | |
789 | pos = (size_t)file_input.TellI(); | |
790 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
791 | textCtrl.WriteText( str ); | |
792 | ||
793 | textCtrl.WriteText( _T("Seeking to pos 3 in wxFileInputStream. This invalidates the writeback buffer.\n\n") ); | |
794 | ||
795 | file_input.SeekI( 3 ); | |
796 | ||
797 | ch = file_input.GetC(); | |
798 | pos = (size_t)file_input.TellI(); | |
799 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
800 | textCtrl.WriteText( str ); | |
801 | } | |
802 | ||
803 | void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event)) | |
804 | { | |
805 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
806 | ||
807 | textCtrl.Clear(); | |
808 | textCtrl.WriteText( _T("\nTesting Ungetch() in buffered input stream:\n\n") ); | |
809 | ||
810 | char ch = 0; | |
811 | wxString str; | |
812 | ||
813 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); | |
814 | ||
815 | wxFileOutputStream file_output( file_name ); | |
816 | for (ch = 0; ch < 10; ch++) | |
817 | file_output.Write( &ch, 1 ); | |
818 | ||
819 | file_output.Sync(); | |
820 | ||
821 | textCtrl.WriteText( _T("Reading char from wxBufferedInputStream via wxFileInputStream:\n\n") ); | |
822 | ||
823 | wxFileInputStream file_input( file_name ); | |
824 | wxBufferedInputStream buf_input( file_input ); | |
825 | ||
826 | ch = buf_input.GetC(); | |
827 | size_t pos = (size_t)buf_input.TellI(); | |
828 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
829 | textCtrl.WriteText( str ); | |
830 | ||
831 | textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") ); | |
832 | ||
833 | ch = buf_input.GetC(); | |
834 | pos = (size_t)buf_input.TellI(); | |
835 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
836 | textCtrl.WriteText( str ); | |
837 | ||
838 | textCtrl.WriteText( _T("Reading yet another char from wxBufferedInputStream:\n\n") ); | |
839 | ||
840 | ch = buf_input.GetC(); | |
841 | pos = (size_t)buf_input.TellI(); | |
842 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
843 | textCtrl.WriteText( str ); | |
844 | ||
845 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n") ); | |
846 | ||
847 | buf_input.Ungetch( 5 ); | |
848 | pos = (size_t)buf_input.TellI(); | |
849 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
850 | textCtrl.WriteText( str ); | |
851 | ||
852 | textCtrl.WriteText( _T("Reading char from wxBufferedInputStream:\n\n") ); | |
853 | ||
854 | ch = buf_input.GetC(); | |
855 | pos = (size_t)buf_input.TellI(); | |
856 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
857 | textCtrl.WriteText( str ); | |
858 | ||
859 | textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") ); | |
860 | ||
861 | ch = buf_input.GetC(); | |
862 | pos = (size_t)buf_input.TellI(); | |
863 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
864 | textCtrl.WriteText( str ); | |
865 | ||
866 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n") ); | |
867 | ||
868 | buf_input.Ungetch( 5 ); | |
869 | pos = (size_t)buf_input.TellI(); | |
870 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
871 | textCtrl.WriteText( str ); | |
872 | ||
873 | textCtrl.WriteText( _T("Seeking to pos 3 in wxBufferedInputStream. This invalidates the writeback buffer.\n\n") ); | |
874 | ||
875 | buf_input.SeekI( 3 ); | |
876 | ||
877 | ch = buf_input.GetC(); | |
878 | pos = (size_t)buf_input.TellI(); | |
879 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
880 | textCtrl.WriteText( str ); | |
881 | } | |
882 | ||
883 | #if wxUSE_UNICODE | |
884 | void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event)) | |
885 | { | |
886 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
887 | ||
888 | textCtrl.Clear(); | |
889 | textCtrl << _T("\nTest wchar_t to char (Unicode to ANSI/Multibyte) converions:"); | |
890 | ||
891 | wxString str; | |
892 |