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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 | // 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 | #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) | |
29 | #include "mondrian.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 = _T("test_wx.dat"); | |
71 | wxString file_name2 = wxString(_T("test_wx2.dat")); | |
72 | ||
73 | bool MyApp::OnInit() | |
74 | { | |
75 | // Create the main frame window | |
76 | MyFrame *frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Types Demo"), | |
77 | wxPoint(50, 50), wxSize(450, 340)); | |
78 | ||
79 | // Give it an icon | |
80 | frame->SetIcon(wxICON(mondrian)); | |
81 | ||
82 | // Make a menubar | |
83 | wxMenu *file_menu = new wxMenu; | |
84 | ||
85 | file_menu->Append(TYPES_ABOUT, _T("&About")); | |
86 | file_menu->AppendSeparator(); | |
87 | file_menu->Append(TYPES_QUIT, _T("E&xit\tAlt-X")); | |
88 | ||
89 | wxMenu *test_menu = new wxMenu; | |
90 | test_menu->Append(TYPES_VARIANT, _T("&Variant test")); | |
91 | test_menu->Append(TYPES_BYTEORDER, _T("&Byteorder test")); | |
92 | #if wxUSE_UNICODE | |
93 | test_menu->Append(TYPES_UNICODE, _T("&Unicode test")); | |
94 | #endif // wxUSE_UNICODE | |
95 | test_menu->Append(TYPES_STREAM, _T("&Stream test")); | |
96 | test_menu->Append(TYPES_STREAM2, _T("&Stream seek test")); | |
97 | test_menu->Append(TYPES_STREAM3, _T("&Stream error test")); | |
98 | test_menu->Append(TYPES_STREAM4, _T("&Stream buffer test")); | |
99 | test_menu->Append(TYPES_STREAM5, _T("&Stream peek test")); | |
100 | test_menu->Append(TYPES_STREAM6, _T("&Stream ungetch test")); | |
101 | test_menu->Append(TYPES_STREAM7, _T("&Stream ungetch test for a buffered stream")); | |
102 | test_menu->AppendSeparator(); | |
103 | test_menu->Append(TYPES_MIME, _T("&MIME database test")); | |
104 | ||
105 | wxMenuBar *menu_bar = new wxMenuBar; | |
106 | menu_bar->Append(file_menu, _T("&File")); | |
107 | menu_bar->Append(test_menu, _T("&Tests")); | |
108 | frame->SetMenuBar(menu_bar); | |
109 | ||
110 | m_textCtrl = new wxTextCtrl(frame, wxID_ANY, wxEmptyString, | |
111 | wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); | |
112 | ||
113 | // Show the frame | |
114 | frame->Show(true); | |
115 | ||
116 | SetTopWindow(frame); | |
117 | ||
118 | return true; | |
119 | } | |
120 | ||
121 | void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) | |
122 | { | |
123 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
124 | ||
125 | textCtrl.Clear(); | |
126 | textCtrl << _T("\nTest fstream vs. wxFileStream:\n\n"); | |
127 | ||
128 | textCtrl.WriteText( _T("Writing to ofstream and wxFileOutputStream:\n") ); | |
129 | ||
130 | wxSTD ofstream std_file_output( "test_std.dat" ); | |
131 | wxFileOutputStream file_output( file_name ); | |
132 | wxBufferedOutputStream buf_output( file_output ); | |
133 | wxTextOutputStream text_output( buf_output ); | |
134 | ||
135 | wxString tmp; | |
136 | signed int si = 0xFFFFFFFF; | |
137 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
138 | textCtrl.WriteText( tmp ); | |
139 | text_output << si << _T("\n"); | |
140 | std_file_output << si << "\n"; | |
141 | ||
142 | unsigned int ui = 0xFFFFFFFF; | |
143 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
144 | textCtrl.WriteText( tmp ); | |
145 | text_output << ui << _T("\n"); | |
146 | std_file_output << ui << "\n"; | |
147 | ||
148 | double d = 2.01234567890123456789; | |
149 | tmp.Printf( _T("Double: %f\n"), d ); | |
150 | textCtrl.WriteText( tmp ); | |
151 | text_output << d << _T("\n"); | |
152 | std_file_output << d << "\n"; | |
153 | ||
154 | float f = (float)0.00001; | |
155 | tmp.Printf( _T("Float: %f\n"), f ); | |
156 | textCtrl.WriteText( tmp ); | |
157 | text_output << f << _T("\n"); | |
158 | std_file_output << f << "\n"; | |
159 | ||
160 | wxString str( _T("Hello!") ); | |
161 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
162 | textCtrl.WriteText( tmp ); | |
163 | text_output << str << _T("\n"); | |
164 | std_file_output << str.ToAscii() << "\n"; | |
165 | ||
166 | textCtrl.WriteText( _T("\nReading from ifstream:\n") ); | |
167 | ||
168 | wxSTD ifstream std_file_input( "test_std.dat" ); | |
169 | ||
170 | std_file_input >> si; | |
171 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
172 | textCtrl.WriteText( tmp ); | |
173 | ||
174 | std_file_input >> ui; | |
175 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
176 | textCtrl.WriteText( tmp ); | |
177 | ||
178 | std_file_input >> d; | |
179 | tmp.Printf( _T("Double: %f\n"), d ); | |
180 | textCtrl.WriteText( tmp ); | |
181 | ||
182 | std_file_input >> f; | |
183 | tmp.Printf( _T("Float: %f\n"), f ); | |
184 | textCtrl.WriteText( tmp ); | |
185 | ||
186 | char std_buf[200]; | |
187 | std_file_input >> std_buf; | |
188 | str = wxString::FromAscii(std_buf); | |
189 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
190 | textCtrl.WriteText( tmp ); | |
191 | ||
192 | textCtrl.WriteText( _T("\nReading from wxFileInputStream:\n") ); | |
193 | ||
194 | buf_output.Sync(); | |
195 | ||
196 | wxFileInputStream file_input( file_name ); | |
197 | wxBufferedInputStream buf_input( file_input ); | |
198 | wxTextInputStream text_input( file_input ); | |
199 | ||
200 | text_input >> si; | |
201 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
202 | textCtrl.WriteText( tmp ); | |
203 | ||
204 | text_input >> ui; | |
205 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
206 | textCtrl.WriteText( tmp ); | |
207 | ||
208 | text_input >> d; | |
209 | tmp.Printf( _T("Double: %f\n"), d ); | |
210 | textCtrl.WriteText( tmp ); | |
211 | ||
212 | text_input >> f; | |
213 | tmp.Printf( _T("Float: %f\n"), f ); | |
214 | textCtrl.WriteText( tmp ); | |
215 | ||
216 | text_input >> str; | |
217 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
218 | textCtrl.WriteText( tmp ); | |
219 | ||
220 | ||
221 | ||
222 | textCtrl << _T("\nTest for wxDataStream:\n\n"); | |
223 | ||
224 | textCtrl.WriteText( _T("Writing to wxDataOutputStream:\n") ); | |
225 | ||
226 | file_output.SeekO( 0 ); | |
227 | wxDataOutputStream data_output( buf_output ); | |
228 | ||
229 | wxInt16 i16 = (unsigned short)0xFFFF; | |
230 | tmp.Printf( _T("Signed int16: %d\n"), (int)i16 ); | |
231 | textCtrl.WriteText( tmp ); | |
232 | data_output.Write16( i16 ); | |
233 | ||
234 | wxUint16 ui16 = 0xFFFF; | |
235 | tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 ); | |
236 | textCtrl.WriteText( tmp ); | |
237 | data_output.Write16( ui16 ); | |
238 | ||
239 | d = 2.01234567890123456789; | |
240 | tmp.Printf( _T("Double: %f\n"), d ); | |
241 | textCtrl.WriteText( tmp ); | |
242 | data_output.WriteDouble( d ); | |
243 | ||
244 | str = _T("Hello!"); | |
245 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
246 | textCtrl.WriteText( tmp ); | |
247 | data_output.WriteString( str ); | |
248 | ||
249 | buf_output.Sync(); | |
250 | ||
251 | textCtrl.WriteText( _T("\nReading from wxDataInputStream:\n") ); | |
252 | ||
253 | file_input.SeekI( 0 ); | |
254 | wxDataInputStream data_input( buf_input ); | |
255 | ||
256 | i16 = data_input.Read16(); | |
257 | tmp.Printf( _T("Signed int16: %d\n"), (int)i16 ); | |
258 | textCtrl.WriteText( tmp ); | |
259 | ||
260 | ui16 = data_input.Read16(); | |
261 | tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 ); | |
262 | textCtrl.WriteText( tmp ); | |
263 | ||
264 | d = data_input.ReadDouble(); | |
265 | tmp.Printf( _T("Double: %f\n"), d ); | |
266 | textCtrl.WriteText( tmp ); | |
267 | ||
268 | str = data_input.ReadString(); | |
269 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
270 | textCtrl.WriteText( tmp ); | |
271 | } | |
272 | ||
273 | void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) | |
274 | { | |
275 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
276 | ||
277 | textCtrl.Clear(); | |
278 | textCtrl << _T("\nTesting wxBufferedStream:\n\n"); | |
279 | ||
280 | char ch,ch2; | |
281 | ||
282 | textCtrl.WriteText( _T("Writing number 0 to 9 to buffered wxFileOutputStream:\n\n") ); | |
283 | ||
284 | wxFileOutputStream file_output( file_name ); | |
285 | wxBufferedOutputStream buf_output( file_output ); | |
286 | for (ch = 0; ch < 10; ch++) | |
287 | buf_output.Write( &ch, 1 ); | |
288 | buf_output.Sync(); | |
289 | ||
290 | wxFileInputStream file_input( file_name ); | |
291 | for (ch2 = 0; ch2 < 10; ch2++) | |
292 | { | |
293 | file_input.Read( &ch, 1 ); | |
294 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
295 | } | |
296 | textCtrl.WriteText( _T("\n\n\n") ); | |
297 | ||
298 | textCtrl.WriteText( _T("Writing number 0 to 9 to buffered wxFileOutputStream, then\n") ); | |
299 | textCtrl.WriteText( _T("seeking back to #3 and writing 0:\n\n") ); | |
300 | ||
301 | wxFileOutputStream file_output2( file_name2 ); | |
302 | wxBufferedOutputStream buf_output2( file_output2 ); | |
303 | for (ch = 0; ch < 10; ch++) | |
304 | buf_output2.Write( &ch, 1 ); | |
305 | buf_output2.SeekO( 3 ); | |
306 | ch = 0; | |
307 | buf_output2.Write( &ch, 1 ); | |
308 | buf_output2.Sync(); | |
309 | ||
310 | wxFileInputStream file_input2( file_name2 ); | |
311 | for (ch2 = 0; ch2 < 10; ch2++) | |
312 | { | |
313 | file_input2.Read( &ch, 1 ); | |
314 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
315 | } | |
316 | textCtrl.WriteText( _T("\n\n\n") ); | |
317 | ||
318 | // now append 2000 bytes to file (bigger than buffer) | |
319 | buf_output2.SeekO( 0, wxFromEnd ); | |
320 | ch = 1; | |
321 | for (int i = 0; i < 2000; i++) | |
322 | buf_output2.Write( &ch, 1 ); | |
323 | buf_output2.Sync(); | |
324 | ||
325 | textCtrl.WriteText( _T("Reading number 0 to 9 from buffered wxFileInputStream, then\n") ); | |
326 | textCtrl.WriteText( _T("seeking back to #3 and reading the 0:\n\n") ); | |
327 | ||
328 | wxFileInputStream file_input3( file_name2 ); | |
329 | wxBufferedInputStream buf_input3( file_input3 ); | |
330 | for (ch2 = 0; ch2 < 10; ch2++) | |
331 | { | |
332 | buf_input3.Read( &ch, 1 ); | |
333 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
334 | } | |
335 | for (int j = 0; j < 2000; j++) | |
336 | buf_input3.Read( &ch, 1 ); | |
337 | textCtrl.WriteText( _T("\n") ); | |
338 | buf_input3.SeekI( 3 ); | |
339 | buf_input3.Read( &ch, 1 ); | |
340 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
341 | textCtrl.WriteText( _T("\n\n\n") ); | |
342 | ||
343 | } | |
344 | ||
345 | void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) | |
346 | { | |
347 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
348 | ||
349 | textCtrl.Clear(); | |
350 | textCtrl << _T("\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n"); | |
351 | ||
352 | char ch,ch2; | |
353 | ||
354 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); | |
355 | ||
356 | wxFileOutputStream file_output( file_name ); | |
357 | for (ch = 0; ch < 10; ch++) | |
358 | file_output.Write( &ch, 1 ); | |
359 | ||
360 | // Testing wxFileInputStream | |
361 | ||
362 | textCtrl.WriteText( _T("Reading 0 to 10 to wxFileInputStream:\n\n") ); | |
363 | ||
364 | wxFileInputStream file_input( file_name ); | |
365 | for (ch2 = 0; ch2 < 11; ch2++) | |
366 | { | |
367 | file_input.Read( &ch, 1 ); | |
368 | textCtrl.WriteText( _T("Value read: ") ); | |
369 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
370 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
371 | switch (file_input.GetLastError()) | |
372 | { | |
373 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
374 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
375 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
376 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
377 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
378 | } | |
379 | } | |
380 | textCtrl.WriteText( _T("\n") ); | |
381 | ||
382 | textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") ); | |
383 | file_input.SeekI( 0 ); | |
384 | switch (file_input.GetLastError()) | |
385 | { | |
386 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
387 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
388 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
389 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
390 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
391 | } | |
392 | textCtrl.WriteText( _T("\n") ); | |
393 | ||
394 | file_input.Read( &ch, 1 ); | |
395 | textCtrl.WriteText( _T("Value read: ") ); | |
396 | textCtrl.WriteText( (wxChar)(ch + _T('0')) ); | |
397 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
398 | switch (file_input.GetLastError()) | |
399 | { | |
400 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
401 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
402 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
403 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
404 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
405 | } | |
406 | textCtrl.WriteText( _T("\n\n") ); | |
407 | ||
408 | ||
409 | // Testing wxFFileInputStream | |
410 | ||
411 | textCtrl.WriteText( _T("Reading 0 to 10 to wxFFileInputStream:\n\n") ); | |
412 | ||
413 | wxFFileInputStream ffile_input( file_name ); | |
414 | for (ch2 = 0; ch2 < 11; ch2++) | |
415 | { | |
416 | ffile_input.Read( &ch, 1 ); | |
417 | textCtrl.WriteText( _T("Value read: ") ); | |
418 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
419 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
420 | switch (ffile_input.GetLastError()) | |
421 | { | |
422 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
423 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
424 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
425 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
426 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
427 | } | |
428 | } | |
429 | textCtrl.WriteText( _T("\n") ); | |
430 | ||
431 | textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") ); | |
432 | ffile_input.SeekI( 0 ); | |
433 | switch (ffile_input.GetLastError()) | |
434 | { | |
435 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
436 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
437 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
438 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
439 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
440 | } | |
441 | textCtrl.WriteText( _T("\n") ); | |
442 | ||
443 | ffile_input.Read( &ch, 1 ); | |
444 | textCtrl.WriteText( _T("Value read: ") ); | |
445 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
446 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
447 | switch (ffile_input.GetLastError()) | |
448 | { | |
449 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
450 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
451 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
452 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
453 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
454 | } | |
455 | textCtrl.WriteText( _T("\n\n") ); | |
456 | ||
457 | // Testing wxFFileInputStream | |
458 | ||
459 | textCtrl.WriteText( _T("Reading 0 to 10 to buffered wxFFileInputStream:\n\n") ); | |
460 | ||
461 | wxFFileInputStream ffile_input2( file_name ); | |
462 | wxBufferedInputStream buf_input( ffile_input2 ); | |
463 | for (ch2 = 0; ch2 < 11; ch2++) | |
464 | { | |
465 | buf_input.Read( &ch, 1 ); | |
466 | textCtrl.WriteText( _T("Value read: ") ); | |
467 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
468 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
469 | switch (buf_input.GetLastError()) | |
470 | { | |
471 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
472 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
473 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
474 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
475 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
476 | } | |
477 | } | |
478 | textCtrl.WriteText( _T("\n") ); | |
479 | ||
480 | textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") ); | |
481 | buf_input.SeekI( 0 ); | |
482 | switch (buf_input.GetLastError()) | |
483 | { | |
484 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
485 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
486 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
487 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
488 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
489 | } | |
490 | textCtrl.WriteText( _T("\n") ); | |
491 | ||
492 | buf_input.Read( &ch, 1 ); | |
493 | textCtrl.WriteText( _T("Value read: ") ); | |
494 | textCtrl.WriteText( (wxChar)(ch + '0') ); | |
495 | textCtrl.WriteText( _T("; stream.GetLastError() returns: ") ); | |
496 | switch (buf_input.GetLastError()) | |
497 | { | |
498 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
499 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
500 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
501 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
502 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
503 | } | |
504 | } | |
505 | ||
506 | void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) | |
507 | { | |
508 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
509 | ||
510 | wxString msg; | |
511 | ||
512 | textCtrl.Clear(); | |
513 | textCtrl << _T("\nTesting wxStreamBuffer:\n\n"); | |
514 | ||
515 | // bigger than buffer | |
516 | textCtrl.WriteText( _T("Writing 2000x 1 to wxFileOutputStream.\n\n") ); | |
517 | ||
518 | wxFileOutputStream file_output( file_name ); | |
519 | for (int i = 0; i < 2000; i++) | |
520 | { | |
521 | char ch = 1; | |
522 | file_output.Write( &ch, 1 ); | |
523 | } | |
524 | ||
525 | textCtrl.WriteText( _T("Opening with a buffered wxFileInputStream:\n\n") ); | |
526 | ||
527 | wxFileInputStream file_input( file_name ); | |
528 | wxBufferedInputStream buf_input( file_input ); | |
529 | ||
530 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
531 | switch (buf_input.GetLastError()) | |
532 | { | |
533 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
534 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
535 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
536 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
537 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
538 | } | |
539 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
540 | textCtrl.WriteText( msg ); | |
541 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
542 | textCtrl.WriteText( msg ); | |
543 | textCtrl.WriteText( _T("\n\n") ); | |
544 | ||
545 | ||
546 | textCtrl.WriteText( _T("Seeking to position 300:\n\n") ); | |
547 | ||
548 | buf_input.SeekI( 300 ); | |
549 | ||
550 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
551 | switch (buf_input.GetLastError()) | |
552 | { | |
553 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
554 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
555 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
556 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
557 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
558 | } | |
559 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
560 | textCtrl.WriteText( msg ); | |
561 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
562 | textCtrl.WriteText( msg ); | |
563 | textCtrl.WriteText( _T("\n\n") ); | |
564 | ||
565 | ||
566 | char buf[2000]; | |
567 | ||
568 | textCtrl.WriteText( _T("Reading 500 bytes:\n\n") ); | |
569 | ||
570 | buf_input.Read( buf, 500 ); | |
571 | ||
572 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
573 | switch (buf_input.GetLastError()) | |
574 | { | |
575 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
576 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
577 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
578 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
579 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
580 | } | |
581 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
582 | textCtrl.WriteText( msg ); | |
583 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
584 | textCtrl.WriteText( msg ); | |
585 | textCtrl.WriteText( _T("\n\n") ); | |
586 | ||
587 | textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") ); | |
588 | ||
589 | buf_input.Read( buf, 500 ); | |
590 | ||
591 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
592 | switch (buf_input.GetLastError()) | |
593 | { | |
594 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
595 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
596 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
597 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
598 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
599 | } | |
600 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
601 | textCtrl.WriteText( msg ); | |
602 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
603 | textCtrl.WriteText( msg ); | |
604 | textCtrl.WriteText( _T("\n\n") ); | |
605 | ||
606 | textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") ); | |
607 | ||
608 | buf_input.Read( buf, 500 ); | |
609 | ||
610 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
611 | switch (buf_input.GetLastError()) | |
612 | { | |
613 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
614 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
615 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
616 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
617 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
618 | } | |
619 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
620 | textCtrl.WriteText( msg ); | |
621 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
622 | textCtrl.WriteText( msg ); | |
623 | textCtrl.WriteText( _T("\n\n") ); | |
624 | ||
625 | textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") ); | |
626 | ||
627 | buf_input.Read( buf, 500 ); | |
628 | ||
629 | textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") ); | |
630 | switch (buf_input.GetLastError()) | |
631 | { | |
632 | case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break; | |
633 | case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break; | |
634 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break; | |
635 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break; | |
636 | default: textCtrl.WriteText( _T("Huh?\n") ); break; | |
637 | } | |
638 | msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() ); | |
639 | textCtrl.WriteText( msg ); | |
640 | msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() ); | |
641 | textCtrl.WriteText( msg ); | |
642 | textCtrl.WriteText( _T("\n\n") ); | |
643 | } | |
644 | ||
645 | void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event)) | |
646 | { | |
647 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
648 | ||
649 | textCtrl.Clear(); | |
650 | textCtrl << _T("\nTesting wxFileInputStream's Peek():\n\n"); | |
651 | ||
652 | char ch; | |
653 | wxString str; | |
654 | ||
655 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream:\n\n") ); | |
656 | ||
657 | wxFileOutputStream file_output( file_name ); | |
658 | for (ch = 0; ch < 10; ch++) | |
659 | file_output.Write( &ch, 1 ); | |
660 | ||
661 | file_output.Sync(); | |
662 | ||
663 | wxFileInputStream file_input( file_name ); | |
664 | ||
665 | ch = file_input.Peek(); | |
666 | str.Printf( wxT("First char peeked: %d\n"), (int) ch ); | |
667 | textCtrl.WriteText( str ); | |
668 | ||
669 | ch = file_input.GetC(); | |
670 | str.Printf( wxT("First char read: %d\n"), (int) ch ); | |
671 | textCtrl.WriteText( str ); | |
672 | ||
673 | ch = file_input.Peek(); | |
674 | str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); | |
675 | textCtrl.WriteText( str ); | |
676 | ||
677 | ch = file_input.GetC(); | |
678 | str.Printf( wxT("Second char read: %d\n"), (int) ch ); | |
679 | textCtrl.WriteText( str ); | |
680 | ||
681 | ch = file_input.Peek(); | |
682 | str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); | |
683 | textCtrl.WriteText( str ); | |
684 | ||
685 | ch = file_input.GetC(); | |
686 | str.Printf( wxT("Third char read: %d\n"), (int) ch ); | |
687 | textCtrl.WriteText( str ); | |
688 | ||
689 | ||
690 | textCtrl << _T("\n\n\nTesting wxMemoryInputStream's Peek():\n\n"); | |
691 | ||
692 | char buf[] = { 0,1,2,3,4,5,6,7,8,9,10 }; | |
693 | wxMemoryInputStream input( buf, 10 ); | |
694 | ||
695 | ch = input.Peek(); | |
696 | str.Printf( wxT("First char peeked: %d\n"), (int) ch ); | |
697 | textCtrl.WriteText( str ); | |
698 | ||
699 | ch = input.GetC(); | |
700 | str.Printf( wxT("First char read: %d\n"), (int) ch ); | |
701 | textCtrl.WriteText( str ); | |
702 | ||
703 | ch = input.Peek(); | |
704 | str.Printf( wxT("Second char peeked: %d\n"), (int) ch ); | |
705 | textCtrl.WriteText( str ); | |
706 | ||
707 | ch = input.GetC(); | |
708 | str.Printf( wxT("Second char read: %d\n"), (int) ch ); | |
709 | textCtrl.WriteText( str ); | |
710 | ||
711 | ch = input.Peek(); | |
712 | str.Printf( wxT("Third char peeked: %d\n"), (int) ch ); | |
713 | textCtrl.WriteText( str ); | |
714 | ||
715 | ch = input.GetC(); | |
716 | str.Printf( wxT("Third char read: %d\n"), (int) ch ); | |
717 | textCtrl.WriteText( str ); | |
718 | } | |
719 | ||
720 | void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event)) | |
721 | { | |
722 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
723 | ||
724 | textCtrl.Clear(); | |
725 | textCtrl.WriteText( _T("\nTesting Ungetch():\n\n") ); | |
726 | ||
727 | char ch = 0; | |
728 | wxString str; | |
729 | ||
730 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); | |
731 | ||
732 | wxFileOutputStream file_output( file_name ); | |
733 | for (ch = 0; ch < 10; ch++) | |
734 | file_output.Write( &ch, 1 ); | |
735 | ||
736 | file_output.Sync(); | |
737 | ||
738 | textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") ); | |
739 | ||
740 | wxFileInputStream file_input( file_name ); | |
741 | ||
742 | ch = file_input.GetC(); | |
743 | size_t pos = (size_t)file_input.TellI(); | |
744 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
745 | textCtrl.WriteText( str ); | |
746 | ||
747 | textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") ); | |
748 | ||
749 | ch = file_input.GetC(); | |
750 | pos = (size_t)file_input.TellI(); | |
751 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
752 | textCtrl.WriteText( str ); | |
753 | ||
754 | textCtrl.WriteText( _T("Reading yet another char from wxFileInputStream:\n\n") ); | |
755 | ||
756 | ch = file_input.GetC(); | |
757 | pos = (size_t)file_input.TellI(); | |
758 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
759 | textCtrl.WriteText( str ); | |
760 | ||
761 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream...\n\n") ); | |
762 | ||
763 | file_input.Ungetch( 5 ); | |
764 | pos = (size_t)file_input.TellI(); | |
765 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
766 | textCtrl.WriteText( str ); | |
767 | ||
768 | textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") ); | |
769 | ||
770 | ch = file_input.GetC(); | |
771 | pos = (size_t)file_input.TellI(); | |
772 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
773 | textCtrl.WriteText( str ); | |
774 | ||
775 | textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") ); | |
776 | ||
777 | ch = file_input.GetC(); | |
778 | pos = (size_t)file_input.TellI(); | |
779 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
780 | textCtrl.WriteText( str ); | |
781 | ||
782 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n") ); | |
783 | ||
784 | file_input.Ungetch( 5 ); | |
785 | pos = (size_t)file_input.TellI(); | |
786 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
787 | textCtrl.WriteText( str ); | |
788 | ||
789 | textCtrl.WriteText( _T("Seeking to pos 3 in wxFileInputStream. This invalidates the writeback buffer.\n\n") ); | |
790 | ||
791 | file_input.SeekI( 3 ); | |
792 | ||
793 | ch = file_input.GetC(); | |
794 | pos = (size_t)file_input.TellI(); | |
795 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
796 | textCtrl.WriteText( str ); | |
797 | } | |
798 | ||
799 | void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event)) | |
800 | { | |
801 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
802 | ||
803 | textCtrl.Clear(); | |
804 | textCtrl.WriteText( _T("\nTesting Ungetch() in buffered input stream:\n\n") ); | |
805 | ||
806 | char ch = 0; | |
807 | wxString str; | |
808 | ||
809 | textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") ); | |
810 | ||
811 | wxFileOutputStream file_output( file_name ); | |
812 | for (ch = 0; ch < 10; ch++) | |
813 | file_output.Write( &ch, 1 ); | |
814 | ||
815 | file_output.Sync(); | |
816 | ||
817 | textCtrl.WriteText( _T("Reading char from wxBufferedInputStream via wxFileInputStream:\n\n") ); | |
818 | ||
819 | wxFileInputStream file_input( file_name ); | |
820 | wxBufferedInputStream buf_input( file_input ); | |
821 | ||
822 | ch = buf_input.GetC(); | |
823 | size_t pos = (size_t)buf_input.TellI(); | |
824 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
825 | textCtrl.WriteText( str ); | |
826 | ||
827 | textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") ); | |
828 | ||
829 | ch = buf_input.GetC(); | |
830 | pos = (size_t)buf_input.TellI(); | |
831 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
832 | textCtrl.WriteText( str ); | |
833 | ||
834 | textCtrl.WriteText( _T("Reading yet another char from wxBufferedInputStream:\n\n") ); | |
835 | ||
836 | ch = buf_input.GetC(); | |
837 | pos = (size_t)buf_input.TellI(); | |
838 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
839 | textCtrl.WriteText( str ); | |
840 | ||
841 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n") ); | |
842 | ||
843 | buf_input.Ungetch( 5 ); | |
844 | pos = (size_t)buf_input.TellI(); | |
845 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
846 | textCtrl.WriteText( str ); | |
847 | ||
848 | textCtrl.WriteText( _T("Reading char from wxBufferedInputStream:\n\n") ); | |
849 | ||
850 | ch = buf_input.GetC(); | |
851 | pos = (size_t)buf_input.TellI(); | |
852 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
853 | textCtrl.WriteText( str ); | |
854 | ||
855 | textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") ); | |
856 | ||
857 | ch = buf_input.GetC(); | |
858 | pos = (size_t)buf_input.TellI(); | |
859 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
860 | textCtrl.WriteText( str ); | |
861 | ||
862 | textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n") ); | |
863 | ||
864 | buf_input.Ungetch( 5 ); | |
865 | pos = (size_t)buf_input.TellI(); | |
866 | str.Printf( wxT("Now at position %d\n\n"), (int) pos ); | |
867 | textCtrl.WriteText( str ); | |
868 | ||
869 | textCtrl.WriteText( _T("Seeking to pos 3 in wxBufferedInputStream. This invalidates the writeback buffer.\n\n") ); | |
870 | ||
871 | buf_input.SeekI( 3 ); | |
872 | ||
873 | ch = buf_input.GetC(); | |
874 | pos = (size_t)buf_input.TellI(); | |
875 | str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos ); | |
876 | textCtrl.WriteText( str ); | |
877 | } | |
878 | ||
879 | #if wxUSE_UNICODE | |
880 | void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event)) | |
881 | { | |
882 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
883 | ||
884 | textCtrl.Clear(); | |
885 | textCtrl << _T("\nTest wchar_t to char (Unicode to ANSI/Multibyte) converions:"); | |
886 | ||
887 | wxString str; | |
888 | str = _T("Robert R\366bling\n"); | |
889 | ||
890 | printf( "\n\nConversion with wxConvLocal:\n" ); | |
891 | wxConvCurrent = &wxConvLocal; | |
892 | printf( (const char*) str.mbc_str() ); | |
893 | printf( "\n\nConversion with wxConvLibc:\n" ); | |
894 | wxConvCurrent = &wxConvLibc; | |
895 | printf( (const char*) str.mbc_str() ); | |
896 | ||
897 | } | |
898 | #endif | |
899 | ||
900 | void MyApp::DoMIMEDemo(wxCommandEvent& WXUNUSED(event)) | |
901 | { | |
902 | static wxString s_defaultExt = _T("xyz"); | |
903 | ||
904 | wxString ext = wxGetTextFromUser(_T("Enter a file extension: "), | |
905 | _T("MIME database test"), | |
906 | s_defaultExt); | |
907 | if ( !!ext ) | |
908 | { | |
909 | s_defaultExt = ext; | |
910 | ||
911 | // init MIME database if not done yet | |
912 | if ( !m_mimeDatabase ) | |
913 | { | |
914 | m_mimeDatabase = new wxMimeTypesManager; | |
915 | ||
916 | static const wxFileTypeInfo fallbacks[] = | |
917 | { | |
918 | wxFileTypeInfo(_T("application/xyz"), | |
919 | _T("XyZ %s"), | |
920 | _T("XyZ -p %s"), | |
921 | _T("The one and only XYZ format file"), | |
922 | _T("xyz"), _T("123"), NULL), | |
923 | wxFileTypeInfo(_T("text/html"), | |
924 | _T("lynx %s"), | |
925 | _T("lynx -dump %s | lpr"), | |
926 | _T("HTML document (from fallback)"), | |
927 | _T("htm"), _T("html"), NULL), | |
928 | ||
929 | // must terminate the table with this! | |
930 | wxFileTypeInfo() | |
931 | }; | |
932 | ||
933 | m_mimeDatabase->AddFallbacks(fallbacks); | |
934 | } | |
935 | ||
936 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
937 | ||
938 | wxFileType *filetype = m_mimeDatabase->GetFileTypeFromExtension(ext); | |
939 | if ( !filetype ) | |
940 | { | |
941 | textCtrl << _T("Unknown extension '") << ext << _T("'\n"); | |
942 | } | |
943 | else | |
944 | { | |
945 | wxString type, desc, open; | |
946 | filetype->GetMimeType(&type); | |
947 | filetype->GetDescription(&desc); | |
948 | ||
949 | wxString filename = _T("filename"); | |
950 | filename << _T(".") << ext; | |
951 | wxFileType::MessageParameters params(filename, type); | |
952 | filetype->GetOpenCommand(&open, params); | |
953 | ||
954 | textCtrl << _T("MIME information about extension '") << ext << _T('\n') | |
955 | << _T("\tMIME type: ") << ( !type ? wxT("unknown") | |
956 | : type.c_str() ) << _T('\n') | |
957 | << _T("\tDescription: ") << ( !desc ? wxEmptyString : desc.c_str() ) | |
958 | << _T('\n') | |
959 | << _T("\tCommand to open: ") << ( !open ? wxT("no") : open.c_str() ) | |
960 | << _T('\n'); | |
961 | ||
962 | delete filetype; | |
963 | } | |
964 | } | |
965 | //else: cancelled by user | |
966 | } | |
967 | ||
968 | void MyApp::DoByteOrderDemo(wxCommandEvent& WXUNUSED(event)) | |
969 | { | |
970 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
971 | ||
972 | textCtrl.Clear(); | |
973 | textCtrl << _T("\nTest byte order macros:\n\n"); | |
974 | ||
975 | #if wxBYTE_ORDER == wxLITTLE_ENDIAN | |
976 | textCtrl << _T("This is a little endian system.\n\n"); | |
977 | #else | |
978 | textCtrl << _T("This is a big endian system.\n\n"); | |
979 | #endif | |
980 | ||
981 | wxString text; | |
982 | ||
983 | wxInt32 var = 0xF1F2F3F4; | |
984 | text = wxEmptyString; | |
985 | text.Printf( _T("Value of wxInt32 is now: %#x.\n\n"), var ); | |
986 | textCtrl.WriteText( text ); | |
987 | ||
988 | text = wxEmptyString; | |
989 | text.Printf( _T("Value of swapped wxInt32 is: %#x.\n\n"), wxINT32_SWAP_ALWAYS( var ) ); | |
990 | textCtrl.WriteText( text ); | |
991 | ||
992 | text = wxEmptyString; | |
993 | text.Printf( _T("Value of wxInt32 swapped on little endian is: %#x.\n\n"), wxINT32_SWAP_ON_LE( var ) ); | |
994 | textCtrl.WriteText( text ); | |
995 | ||
996 | text = wxEmptyString; | |
997 | text.Printf( _T("Value of wxInt32 swapped on big endian is: %#x.\n\n"), wxINT32_SWAP_ON_BE( var ) ); | |
998 | textCtrl.WriteText( text ); | |
999 | } | |
1000 | ||
1001 | void MyApp::DoVariantDemo(wxCommandEvent& WXUNUSED(event) ) | |
1002 | { | |
1003 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
1004 | ||
1005 | wxVariant var1 = _T("String value"); | |
1006 | textCtrl << _T("var1 = ") << var1.MakeString() << _T("\n"); | |
1007 | ||
1008 | // Conversion | |
1009 | wxString str = var1.MakeString(); | |
1010 | ||
1011 | var1 = 123.456; | |
1012 | textCtrl << _T("var1 = ") << var1.GetReal() << _T("\n"); | |
1013 | ||
1014 | // Implicit conversion | |
1015 | double v = var1; | |
1016 | ||
1017 | var1 = 9876L; | |
1018 | textCtrl << _T("var1 = ") << var1.GetLong() << _T("\n"); | |
1019 | ||
1020 | // Implicit conversion | |
1021 | long l = var1; | |
1022 | ||
1023 | // suppress compile warnings about unused variables | |
1024 | wxUnusedVar(l); | |
1025 | wxUnusedVar(v); | |
1026 | ||
1027 | wxArrayString stringArray; | |
1028 | stringArray.Add(_T("one")); stringArray.Add(_T("two")); stringArray.Add(_T("three")); | |
1029 | var1 = stringArray; | |
1030 | textCtrl << _T("var1 = ") << var1.MakeString() << _T("\n"); | |
1031 | ||
1032 | var1.ClearList(); | |
1033 | var1.Append(wxVariant(1.2345)); | |
1034 | var1.Append(wxVariant(_T("hello"))); | |
1035 | var1.Append(wxVariant(54321L)); | |
1036 | ||
1037 | textCtrl << _T("var1 = ") << var1.MakeString() << _T("\n"); | |
1038 | ||
1039 | size_t n = var1.GetCount(); | |
1040 | size_t i; | |
1041 | for (i = (size_t) 0; i < n; i++) | |
1042 | { | |
1043 | textCtrl << _T("var1[") << (int) i << _T("] (type ") << var1[i].GetType() << _T(") = ") << var1[i].MakeString() << _T("\n"); | |
1044 | } | |
1045 | ||
1046 | var1 = wxVariant(new wxFont(wxSystemSettings::GetFont(wxSYS_OEM_FIXED_FONT))); | |
1047 | textCtrl << _T("var1 = (wxfont)\""); | |
1048 | wxFont* font = wxGetVariantCast(var1,wxFont); | |
1049 | if (font) | |
1050 | { | |
1051 | textCtrl << font->GetNativeFontInfoDesc() << _T("\"\n"); | |
1052 | } | |
1053 | else | |
1054 | { | |
1055 | textCtrl << _T("(null)\"\n"); | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | BEGIN_EVENT_TABLE(MyFrame, wxFrame) | |
1060 | EVT_MENU(TYPES_QUIT, MyFrame::OnQuit) | |
1061 | EVT_MENU(TYPES_ABOUT, MyFrame::OnAbout) | |
1062 | END_EVENT_TABLE() | |
1063 | ||
1064 | // My frame constructor | |
1065 | MyFrame::MyFrame(wxFrame *parent, const wxString& title, | |
1066 | const wxPoint& pos, const wxSize& size) | |
1067 | : wxFrame(parent, wxID_ANY, title, pos, size) | |
1068 | {} | |
1069 | ||
1070 | void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) ) | |
1071 | { | |
1072 | Close(true); | |
1073 | } | |
1074 | ||
1075 | void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) ) | |
1076 | { | |
1077 | wxMessageDialog dialog(this, _T("Tests various wxWidgets types"), | |
1078 | _T("About Types"), wxYES_NO|wxCANCEL); | |
1079 | ||
1080 | dialog.ShowModal(); | |
1081 | } | |
1082 | ||
1083 |