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[wxWidgets.git] / src / stubs / textctrl.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: textctrl.cpp
3// Purpose: wxTextCtrl
4// Author: AUTHOR
5// Modified by:
6// Created: ??/??/98
7// RCS-ID: $Id$
8// Copyright: (c) AUTHOR
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation "textctrl.h"
14#endif
15
16#include <sys/types.h>
17#include <sys/stat.h>
18#include <fstream.h>
19
20#include "wx/textctrl.h"
21#include "wx/settings.h"
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22#include "wx/filefn.h"
23#include "wx/utils.h"
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24
25#if defined(__BORLANDC__) && !defined(__WIN32__)
26#include <alloc.h>
27#else
28#ifndef __GNUWIN32__
29#include <malloc.h>
30#endif
31#endif
32
33#if !USE_SHARED_LIBRARY
34IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
35
36BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
93cf77c0 37 EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
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38END_EVENT_TABLE()
39#endif
40
41// Text item
42wxTextCtrl::wxTextCtrl()
43#ifndef NO_TEXT_WINDOW_STREAM
44 :streambuf()
45#endif
46{
47 m_fileName = "";
48}
49
50bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
51 const wxString& value,
52 const wxPoint& pos,
53 const wxSize& size, long style,
54 const wxValidator& validator,
55 const wxString& name)
56{
57 m_fileName = "";
58 SetName(name);
59 SetValidator(validator);
60 if (parent) parent->AddChild(this);
61
62 m_windowStyle = style;
63
64 if ( id == -1 )
65 m_windowId = (int)NewControlId();
66 else
67 m_windowId = id;
68
69 return TRUE;
70}
71
72wxString wxTextCtrl::GetValue() const
73{
74 // TODO
75 return wxString("");
76}
77
78void wxTextCtrl::SetValue(const wxString& value)
79{
80 // TODO
81}
82
83void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags)
84{
85 // TODO
86}
87
88// Clipboard operations
89void wxTextCtrl::Copy()
90{
91 // TODO
92}
93
94void wxTextCtrl::Cut()
95{
96 // TODO
97}
98
99void wxTextCtrl::Paste()
100{
101 // TODO
102}
103
104void wxTextCtrl::SetEditable(bool editable)
105{
106 // TODO
107}
108
109void wxTextCtrl::SetInsertionPoint(long pos)
110{
111 // TODO
112}
113
114void wxTextCtrl::SetInsertionPointEnd()
115{
116 long pos = GetLastPosition();
117 SetInsertionPoint(pos);
118}
119
120long wxTextCtrl::GetInsertionPoint() const
121{
122 // TODO
123 return 0;
124}
125
126long wxTextCtrl::GetLastPosition() const
127{
128 // TODO
129 return 0;
130}
131
132void wxTextCtrl::Replace(long from, long to, const wxString& value)
133{
134 // TODO
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135}
136
137void wxTextCtrl::Remove(long from, long to)
138{
139 // TODO
140}
141
142void wxTextCtrl::SetSelection(long from, long to)
143{
144 // TODO
145}
146
147bool wxTextCtrl::LoadFile(const wxString& file)
148{
149 if (!wxFileExists(file))
150 return FALSE;
151
152 m_fileName = file;
153
154 Clear();
155
156 ifstream input((char*) (const char*) file, ios::nocreate | ios::in);
157
158 if (!input.bad())
159 {
160 struct stat stat_buf;
161 if (stat(file, &stat_buf) < 0)
162 return FALSE;
163 // This may need to be a bigger buffer than the file size suggests,
164 // if it's a UNIX file. Give it an extra 1000 just in case.
165 char *tmp_buffer = (char*)malloc((size_t)(stat_buf.st_size+1+1000));
166 long no_lines = 0;
167 long pos = 0;
168 while (!input.eof() && input.peek() != EOF)
169 {
170 input.getline(wxBuffer, 500);
171 int len = strlen(wxBuffer);
172 wxBuffer[len] = 13;
173 wxBuffer[len+1] = 10;
174 wxBuffer[len+2] = 0;
175 strcpy(tmp_buffer+pos, wxBuffer);
176 pos += strlen(wxBuffer);
177 no_lines++;
178 }
179
180 // TODO add line
181
182 free(tmp_buffer);
183
184 return TRUE;
185 }
186 return FALSE;
187}
188
189// If file is null, try saved file name first
190// Returns TRUE if succeeds.
191bool wxTextCtrl::SaveFile(const wxString& file)
192{
193 wxString theFile(file);
194 if (theFile == "")
195 theFile = m_fileName;
196 if (theFile == "")
197 return FALSE;
198 m_fileName = theFile;
199
200 ofstream output((char*) (const char*) theFile);
201 if (output.bad())
202 return FALSE;
203
204 // TODO get and save text
205
206 return FALSE;
207}
208
209void wxTextCtrl::WriteText(const wxString& text)
210{
211 // TODO write text to control
212}
213
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214void wxTextCtrl::AppendText(const wxString& text)
215{
216 // TODO append text to control
217}
218
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219void wxTextCtrl::Clear()
220{
221 // TODO
222}
223
224bool wxTextCtrl::IsModified() const
225{
226 // TODO
227 return FALSE;
228}
229
230// Makes 'unmodified'
231void wxTextCtrl::DiscardEdits()
232{
233 // TODO
234}
235
236int wxTextCtrl::GetNumberOfLines() const
237{
238 // TODO
239 return 0;
240}
241
242long wxTextCtrl::XYToPosition(long x, long y) const
243{
244 // TODO
245 return 0;
246}
247
248void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
249{
250 // TODO
251}
252
253void wxTextCtrl::ShowPosition(long pos)
254{
255 // TODO
256}
257
258int wxTextCtrl::GetLineLength(long lineNo) const
259{
260 // TODO
261 return 0;
262}
263
264wxString wxTextCtrl::GetLineText(long lineNo) const
265{
266 // TODO
267 return wxString("");
268}
269
270/*
271 * Text item
272 */
273
274void wxTextCtrl::Command(wxCommandEvent & event)
275{
276 SetValue (event.GetString());
277 ProcessCommand (event);
278}
279
280void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
281{
282 // By default, load the first file into the text window.
283 if (event.GetNumberOfFiles() > 0)
284 {
285 LoadFile(event.GetFiles()[0]);
286 }
287}
288
289// The streambuf code was partly taken from chapter 3 by Jerry Schwarz of
290// AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers
291
292//=========================================================================
293// Called then the buffer is full (gcc 2.6.3)
294// or when "endl" is output (Borland 4.5)
295//=========================================================================
296// Class declaration using multiple inheritance doesn't work properly for
297// Borland. See note in wb_text.h.
298#ifndef NO_TEXT_WINDOW_STREAM
299int wxTextCtrl::overflow(int c)
300{
301 // Make sure there is a holding area
302 if ( allocate()==EOF )
303 {
304 wxError("Streambuf allocation failed","Internal error");
305 return EOF;
306 }
307
308 // Verify that there are no characters in get area
309 if ( gptr() && gptr() < egptr() )
310 {
311 wxError("Who's trespassing my get area?","Internal error");
312 return EOF;
313 }
314
315 // Reset get area
316 setg(0,0,0);
317
318 // Make sure there is a put area
319 if ( ! pptr() )
320 {
321/* This doesn't seem to be fatal so comment out error message */
322// wxError("Put area not opened","Internal error");
323 setp( base(), base() );
324 }
325
326 // Determine how many characters have been inserted but no consumed
327 int plen = pptr() - pbase();
328
329 // Now Jerry relies on the fact that the buffer is at least 2 chars
330 // long, but the holding area "may be as small as 1" ???
331 // And we need an additional \0, so let's keep this inefficient but
332 // safe copy.
333
334 // If c!=EOF, it is a character that must also be comsumed
335 int xtra = c==EOF? 0 : 1;
336
337 // Write temporary C-string to wxTextWindow
338 {
339 char *txt = new char[plen+xtra+1];
340 memcpy(txt, pbase(), plen);
341 txt[plen] = (char)c; // append c
342 txt[plen+xtra] = '\0'; // append '\0' or overwrite c
343 // If the put area already contained \0, output will be truncated there
13c21be5 344 AppendText(txt);
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345 delete[] txt;
346 }
347
348 // Reset put area
349 setp(pbase(), epptr());
350
351#if defined(__WATCOMC__)
352 return __NOT_EOF;
353#elif defined(zapeof) // HP-UX (all cfront based?)
354 return zapeof(c);
355#else
356 return c!=EOF ? c : 0; // this should make everybody happy
357#endif
358}
359
360//=========================================================================
361// called then "endl" is output (gcc) or then explicit sync is done (Borland)
362//=========================================================================
363int wxTextCtrl::sync()
364{
365 // Verify that there are no characters in get area
366 if ( gptr() && gptr() < egptr() )
367 {
368 wxError("Who's trespassing my get area?","Internal error");
369 return EOF;
370 }
371
372 if ( pptr() && pptr() > pbase() ) return overflow(EOF);
373
374 return 0;
375/* OLD CODE
376 int len = pptr() - pbase();
377 char *txt = new char[len+1];
378 strncpy(txt, pbase(), len);
379 txt[len] = '\0';
380 (*this) << txt;
381 setp(pbase(), epptr());
382 delete[] txt;
383 return 0;
384*/
385}
386
387//=========================================================================
388// Should not be called by a "ostream". Used by a "istream"
389//=========================================================================
390int wxTextCtrl::underflow()
391{
392 return EOF;
393}
394#endif
395
396wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
397{
13c21be5 398 AppendText(s);
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399 return *this;
400}
401
402wxTextCtrl& wxTextCtrl::operator<<(float f)
403{
404 wxString str;
405 str.Printf("%.2f", f);
13c21be5 406 AppendText(str);
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407 return *this;
408}
409
410wxTextCtrl& wxTextCtrl::operator<<(double d)
411{
412 wxString str;
413 str.Printf("%.2f", d);
13c21be5 414 AppendText(str);
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415 return *this;
416}
417
418wxTextCtrl& wxTextCtrl::operator<<(int i)
419{
420 wxString str;
421 str.Printf("%d", i);
13c21be5 422 AppendText(str);
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423 return *this;
424}
425
426wxTextCtrl& wxTextCtrl::operator<<(long i)
427{
428 wxString str;
429 str.Printf("%ld", i);
13c21be5 430 AppendText(str);
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431 return *this;
432}
433
434wxTextCtrl& wxTextCtrl::operator<<(const char c)
435{
436 char buf[2];
437
438 buf[0] = c;
439 buf[1] = 0;
13c21be5 440 AppendText(buf);
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441 return *this;
442}
443