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made SetFirstItem() work again (patch 1445170)
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1/////////////////////////////////////////////////////////////////////////////
2// Name: common/dlgcmn.cpp
3// Purpose: common (to all ports) wxDialog functions
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 28.06.99
7// RCS-ID: $Id$
8// Copyright: (c) Vadim Zeitlin
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
24 #pragma hdrstop
25#endif
26
27#ifndef WX_PRECOMP
28 #include "wx/button.h"
29 #include "wx/dialog.h"
30 #include "wx/dcclient.h"
31 #include "wx/intl.h"
32 #include "wx/settings.h"
33 #include "wx/stattext.h"
34 #include "wx/sizer.h"
35 #include "wx/button.h"
36 #include "wx/containr.h"
37#endif
38
39#include "wx/statline.h"
40#include "wx/sysopt.h"
41
42#if wxUSE_STATTEXT
43
44// ----------------------------------------------------------------------------
45// wxTextWrapper
46// ----------------------------------------------------------------------------
47
48// this class is used to wrap the text on word boundary: wrapping is done by
49// calling OnStartLine() and OnOutputLine() functions
50class wxTextWrapper
51{
52public:
53 wxTextWrapper() { m_eol = false; }
54
55 // win is used for getting the font, text is the text to wrap, width is the
56 // max line width or -1 to disable wrapping
57 void Wrap(wxWindow *win, const wxString& text, int widthMax);
58
59 // we don't need it, but just to avoid compiler warnings
60 virtual ~wxTextWrapper() { }
61
62protected:
63 // line may be empty
64 virtual void OnOutputLine(const wxString& line) = 0;
65
66 // called at the start of every new line (except the very first one)
67 virtual void OnNewLine() { }
68
69private:
70 // call OnOutputLine() and set m_eol to true
71 void DoOutputLine(const wxString& line)
72 {
73 OnOutputLine(line);
74
75 m_eol = true;
76 }
77
78 // this function is a destructive inspector: when it returns true it also
79 // resets the flag to false so calling it again woulnd't return true any
80 // more
81 bool IsStartOfNewLine()
82 {
83 if ( !m_eol )
84 return false;
85
86 m_eol = false;
87
88 return true;
89 }
90
91
92 bool m_eol;
93};
94
95#endif // wxUSE_STATTEXT
96
97// ----------------------------------------------------------------------------
98// wxDialogBase
99// ----------------------------------------------------------------------------
100
101// FIXME - temporary hack in absence of wxTopLevelWindow, should be always used
102#ifdef wxTopLevelWindowNative
103BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow)
104 WX_EVENT_TABLE_CONTROL_CONTAINER(wxDialogBase)
105END_EVENT_TABLE()
106
107WX_DELEGATE_TO_CONTROL_CONTAINER(wxDialogBase)
108#endif
109
110void wxDialogBase::Init()
111{
112 m_returnCode = 0;
113 m_affirmativeId = wxID_OK;
114 m_escapeId = wxID_ANY;
115
116 // the dialogs have this flag on by default to prevent the events from the
117 // dialog controls from reaching the parent frame which is usually
118 // undesirable and can lead to unexpected and hard to find bugs
119 SetExtraStyle(GetExtraStyle() | wxWS_EX_BLOCK_EVENTS);
120
121#ifdef wxTopLevelWindowNative // FIXME - temporary hack, should be always used!
122 m_container.SetContainerWindow(this);
123#endif
124}
125
126#if wxUSE_STATTEXT
127
128void wxTextWrapper::Wrap(wxWindow *win, const wxString& text, int widthMax)
129{
130 const wxChar *lastSpace = NULL;
131 wxString line;
132
133 const wxChar *lineStart = text.c_str();
134 for ( const wxChar *p = lineStart; ; p++ )
135 {
136 if ( IsStartOfNewLine() )
137 {
138 OnNewLine();
139
140 lastSpace = NULL;
141 line.clear();
142 lineStart = p;
143 }
144
145 if ( *p == _T('\n') || *p == _T('\0') )
146 {
147 DoOutputLine(line);
148
149 if ( *p == _T('\0') )
150 break;
151 }
152 else // not EOL
153 {
154 if ( *p == _T(' ') )
155 lastSpace = p;
156
157 line += *p;
158
159 if ( widthMax >= 0 && lastSpace )
160 {
161 int width;
162 win->GetTextExtent(line, &width, NULL);
163
164 if ( width > widthMax )
165 {
166 // remove the last word from this line
167 line.erase(lastSpace - lineStart, p + 1 - lineStart);
168 DoOutputLine(line);
169
170 // go back to the last word of this line which we didn't
171 // output yet
172 p = lastSpace;
173 }
174 }
175 //else: no wrapping at all or impossible to wrap
176 }
177 }
178}
179
180class wxTextSizerWrapper : public wxTextWrapper
181{
182public:
183 wxTextSizerWrapper(wxWindow *win)
184 {
185 m_win = win;
186 m_hLine = 0;
187 }
188
189 wxSizer *CreateSizer(const wxString& text, int widthMax)
190 {
191 m_sizer = new wxBoxSizer(wxVERTICAL);
192 Wrap(m_win, text, widthMax);
193 return m_sizer;
194 }
195
196protected:
197 virtual void OnOutputLine(const wxString& line)
198 {
199 if ( !line.empty() )
200 {
201 m_sizer->Add(new wxStaticText(m_win, wxID_ANY, line));
202 }
203 else // empty line, no need to create a control for it
204 {
205 if ( !m_hLine )
206 m_hLine = m_win->GetCharHeight();
207
208 m_sizer->Add(5, m_hLine);
209 }
210 }
211
212private:
213 wxWindow *m_win;
214 wxSizer *m_sizer;
215 int m_hLine;
216};
217
218wxSizer *wxDialogBase::CreateTextSizer(const wxString& message)
219{
220 // I admit that this is complete bogus, but it makes
221 // message boxes work for pda screens temporarily..
222 int widthMax = -1;
223 const bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
224 if (is_pda)
225 {
226 widthMax = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ) - 25;
227 }
228
229 // '&' is used as accel mnemonic prefix in the wxWidgets controls but in
230 // the static messages created by CreateTextSizer() (used by wxMessageBox,
231 // for example), we don't want this special meaning, so we need to quote it
232 wxString text(message);
233 text.Replace(_T("&"), _T("&&"));
234
235 wxTextSizerWrapper wrapper(this);
236
237 return wrapper.CreateSizer(text, widthMax);
238}
239
240class wxLabelWrapper : public wxTextWrapper
241{
242public:
243 void WrapLabel(wxWindow *text, int widthMax)
244 {
245 m_text.clear();
246 Wrap(text, text->GetLabel(), widthMax);
247 text->SetLabel(m_text);
248 }
249
250protected:
251 virtual void OnOutputLine(const wxString& line)
252 {
253 m_text += line;
254 }
255
256 virtual void OnNewLine()
257 {
258 m_text += _T('\n');
259 }
260
261private:
262 wxString m_text;
263};
264
265// NB: don't "factor out" the scope operator, SGI MIPSpro 7.3 (but not 7.4)
266// gets confused if it doesn't immediately follow the class name
267void
268#if defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
269wxStaticText::
270#else
271wxStaticTextBase::
272#endif
273Wrap(int width)
274{
275 wxLabelWrapper wrapper;
276 wrapper.WrapLabel(this, width);
277}
278
279#endif // wxUSE_STATTEXT
280
281wxSizer *wxDialogBase::CreateButtonSizer( long flags, bool separated, wxCoord distance )
282{
283#ifdef __SMARTPHONE__
284 wxUnusedVar(separated);
285 wxUnusedVar(distance);
286
287 wxDialog* dialog = (wxDialog*) this;
288 if (flags & wxOK){
289 dialog->SetLeftMenu(wxID_OK);
290 }
291
292 if (flags & wxCANCEL){
293 dialog->SetRightMenu(wxID_CANCEL);
294 }
295
296 if (flags & wxYES){
297 dialog->SetLeftMenu(wxID_YES);
298 }
299
300 if (flags & wxNO){
301 dialog->SetLeftMenu(wxID_NO);
302 }
303 wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL);
304 return sizer;
305
306#else // !__SMARTPHONE__
307
308#ifdef __POCKETPC__
309 // PocketPC guidelines recommend for Ok/Cancel dialogs to use
310 // OK button located inside caption bar and implement Cancel functionality
311 // through Undo outside dialog. As native behaviour this will be default
312 // here but can be easily replaced with real wxButtons
313 // with "wince.dialog.real-ok-cancel" option set to 1
314 if ( ((flags & ~(wxCANCEL|wxNO_DEFAULT))== wxOK) &&
315 (wxSystemOptions::GetOptionInt(wxT("wince.dialog.real-ok-cancel"))==0)
316 )
317 {
318 wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL);
319 return sizer;
320 }
321#endif // __POCKETPC__
322
323#if wxUSE_BUTTON
324
325 wxSizer* buttonSizer = CreateStdDialogButtonSizer( flags );
326
327 // Mac Human Interface Guidelines recommend not to use static lines as grouping elements
328#if wxUSE_STATLINE && !defined(__WXMAC__)
329 if(!separated)
330 return buttonSizer;
331
332 wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
333 topsizer->Add( new wxStaticLine( this, wxID_ANY ), 0, wxEXPAND | wxBOTTOM, distance );
334 topsizer->Add( buttonSizer, 0, wxEXPAND );
335 return topsizer;
336
337#else // !wxUSE_STATLINE
338
339 wxUnusedVar(separated);
340 wxUnusedVar(distance);
341 return buttonSizer;
342
343#endif // wxUSE_STATLINE/!wxUSE_STATLINE
344
345#else // !wxUSE_BUTTON
346
347 wxUnusedVar(separated);
348 wxUnusedVar(distance);
349 wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL);
350 return sizer;
351
352#endif // wxUSE_BUTTON/!wxUSE_BUTTON
353
354#endif // __SMARTPHONE__/!__SMARTPHONE__
355}
356
357#if wxUSE_BUTTON
358
359wxStdDialogButtonSizer *wxDialogBase::CreateStdDialogButtonSizer( long flags )
360{
361 wxStdDialogButtonSizer *sizer = new wxStdDialogButtonSizer();
362
363 wxButton *ok = NULL;
364 wxButton *yes = NULL;
365 wxButton *no = NULL;
366
367 if (flags & wxOK){
368 ok = new wxButton(this, wxID_OK);
369 sizer->AddButton(ok);
370 }
371
372 if (flags & wxCANCEL){
373 wxButton *cancel = new wxButton(this, wxID_CANCEL);
374 sizer->AddButton(cancel);
375 }
376
377 if (flags & wxYES){
378 yes = new wxButton(this, wxID_YES);
379 sizer->AddButton(yes);
380 }
381
382 if (flags & wxNO){
383 no = new wxButton(this, wxID_NO);
384 sizer->AddButton(no);
385 }
386
387 if (flags & wxHELP){
388 wxButton *help = new wxButton(this, wxID_HELP);
389 sizer->AddButton(help);
390 }
391
392 if (flags & wxNO_DEFAULT)
393 {
394 if (no)
395 {
396 no->SetDefault();
397 no->SetFocus();
398 }
399 }
400 else
401 {
402 if (ok)
403 {
404 ok->SetDefault();
405 ok->SetFocus();
406 }
407 else if (yes)
408 {
409 yes->SetDefault();
410 yes->SetFocus();
411 }
412 }
413
414 if (flags & wxOK)
415 SetAffirmativeId(wxID_OK);
416 else if (flags & wxYES)
417 SetAffirmativeId(wxID_YES);
418
419 sizer->Realize();
420
421 return sizer;
422}
423
424#endif // wxUSE_BUTTON