The rounded corners look really dumb at this size.
[wxWidgets.git] / src / generic / grideditors.cpp
1 ///////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/grideditors.cpp
3 // Purpose: wxGridCellEditorEvtHandler and wxGrid editors
4 // Author: Michael Bedward (based on code by Julian Smart, Robin Dunn)
5 // Modified by: Robin Dunn, Vadim Zeitlin, Santiago Palacios
6 // Created: 1/08/1999
7 // Copyright: (c) Michael Bedward (mbedward@ozemail.com.au)
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx/wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_GRID
19
20 #include "wx/grid.h"
21
22 #ifndef WX_PRECOMP
23 #include "wx/utils.h"
24 #include "wx/dcclient.h"
25 #include "wx/settings.h"
26 #include "wx/log.h"
27 #include "wx/textctrl.h"
28 #include "wx/checkbox.h"
29 #include "wx/combobox.h"
30 #include "wx/intl.h"
31 #include "wx/math.h"
32 #include "wx/listbox.h"
33 #endif
34
35 #include "wx/valnum.h"
36 #include "wx/textfile.h"
37 #include "wx/spinctrl.h"
38 #include "wx/tokenzr.h"
39 #include "wx/renderer.h"
40 #include "wx/headerctrl.h"
41
42 #include "wx/generic/gridsel.h"
43 #include "wx/generic/grideditors.h"
44 #include "wx/generic/private/grid.h"
45
46 #if defined(__WXMOTIF__)
47 #define WXUNUSED_MOTIF(identifier) WXUNUSED(identifier)
48 #else
49 #define WXUNUSED_MOTIF(identifier) identifier
50 #endif
51
52 #if defined(__WXGTK__)
53 #define WXUNUSED_GTK(identifier) WXUNUSED(identifier)
54 #else
55 #define WXUNUSED_GTK(identifier) identifier
56 #endif
57
58 #ifdef __WXOSX__
59 #include "wx/osx/private.h"
60 #endif
61
62 // Required for wxIs... functions
63 #include <ctype.h>
64
65 // ============================================================================
66 // implementation
67 // ============================================================================
68
69 wxDEFINE_EVENT( wxEVT_GRID_HIDE_EDITOR, wxCommandEvent );
70
71 // ----------------------------------------------------------------------------
72 // wxGridCellEditorEvtHandler
73 // ----------------------------------------------------------------------------
74
75 void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
76 {
77 // We must let the native control have this event so in any case don't mark
78 // it as handled, otherwise various weird problems can happen (see #11681).
79 event.Skip();
80
81 // Don't disable the cell if we're just starting to edit it
82 if (m_inSetFocus)
83 return;
84
85 // Tell the grid to dismiss the control but don't do it immediately as it
86 // could result in the editor being destroyed right now and a crash in the
87 // code searching for the next event handler, so post an event asking the
88 // grid to do it slightly later instead.
89
90 // FIXME-VC6: Once we drop support for VC6, we should use a simpler
91 // m_grid->CallAfter(&wxGrid::DisableCellEditControl) and get
92 // rid of wxEVT_GRID_HIDE_EDITOR entirely.
93 m_grid->GetEventHandler()->
94 AddPendingEvent(wxCommandEvent(wxEVT_GRID_HIDE_EDITOR));
95 }
96
97 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
98 {
99 switch ( event.GetKeyCode() )
100 {
101 case WXK_ESCAPE:
102 m_editor->Reset();
103 m_grid->DisableCellEditControl();
104 break;
105
106 case WXK_TAB:
107 m_grid->GetEventHandler()->ProcessEvent( event );
108 break;
109
110 case WXK_RETURN:
111 case WXK_NUMPAD_ENTER:
112 if (!m_grid->GetEventHandler()->ProcessEvent(event))
113 m_editor->HandleReturn(event);
114 break;
115
116 default:
117 event.Skip();
118 break;
119 }
120 }
121
122 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
123 {
124 int row = m_grid->GetGridCursorRow();
125 int col = m_grid->GetGridCursorCol();
126 wxRect rect = m_grid->CellToRect( row, col );
127 int cw, ch;
128 m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
129
130 // if cell width is smaller than grid client area, cell is wholly visible
131 bool wholeCellVisible = (rect.GetWidth() < cw);
132
133 switch ( event.GetKeyCode() )
134 {
135 case WXK_ESCAPE:
136 case WXK_TAB:
137 case WXK_RETURN:
138 case WXK_NUMPAD_ENTER:
139 break;
140
141 case WXK_HOME:
142 {
143 if ( wholeCellVisible )
144 {
145 // no special processing needed...
146 event.Skip();
147 break;
148 }
149
150 // do special processing for partly visible cell...
151
152 // get the widths of all cells previous to this one
153 int colXPos = 0;
154 for ( int i = 0; i < col; i++ )
155 {
156 colXPos += m_grid->GetColSize(i);
157 }
158
159 int xUnit = 1, yUnit = 1;
160 m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
161 if (col != 0)
162 {
163 m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
164 }
165 else
166 {
167 m_grid->Scroll(colXPos / xUnit, m_grid->GetScrollPos(wxVERTICAL));
168 }
169 event.Skip();
170 break;
171 }
172
173 case WXK_END:
174 {
175 if ( wholeCellVisible )
176 {
177 // no special processing needed...
178 event.Skip();
179 break;
180 }
181
182 // do special processing for partly visible cell...
183
184 int textWidth = 0;
185 wxString value = m_grid->GetCellValue(row, col);
186 if ( wxEmptyString != value )
187 {
188 // get width of cell CONTENTS (text)
189 int y;
190 wxFont font = m_grid->GetCellFont(row, col);
191 m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
192
193 // try to RIGHT align the text by scrolling
194 int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
195
196 // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
197 // otherwise the last part of the cell content might be hidden below the scroll bar
198 // FIXME: maybe there is a more suitable correction?
199 textWidth -= (client_right - (m_grid->GetScrollLineX() * 2));
200 if ( textWidth < 0 )
201 {
202 textWidth = 0;
203 }
204 }
205
206 // get the widths of all cells previous to this one
207 int colXPos = 0;
208 for ( int i = 0; i < col; i++ )
209 {
210 colXPos += m_grid->GetColSize(i);
211 }
212
213 // and add the (modified) text width of the cell contents
214 // as we'd like to see the last part of the cell contents
215 colXPos += textWidth;
216
217 int xUnit = 1, yUnit = 1;
218 m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
219 m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
220 event.Skip();
221 break;
222 }
223
224 default:
225 event.Skip();
226 break;
227 }
228 }
229
230 // ----------------------------------------------------------------------------
231 // wxGridCellEditor
232 // ----------------------------------------------------------------------------
233
234 wxGridCellEditor::wxGridCellEditor()
235 {
236 m_control = NULL;
237 m_attr = NULL;
238 }
239
240 wxGridCellEditor::~wxGridCellEditor()
241 {
242 Destroy();
243 }
244
245 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
246 wxWindowID WXUNUSED(id),
247 wxEvtHandler* evtHandler)
248 {
249 if ( evtHandler )
250 m_control->PushEventHandler(evtHandler);
251 }
252
253 void wxGridCellEditor::PaintBackground(wxDC& dc,
254 const wxRect& rectCell,
255 const wxGridCellAttr& attr)
256 {
257 // erase the background because we might not fill the cell
258 dc.SetPen(*wxTRANSPARENT_PEN);
259 dc.SetBrush(wxBrush(attr.GetBackgroundColour()));
260 dc.DrawRectangle(rectCell);
261 }
262
263 void wxGridCellEditor::Destroy()
264 {
265 if (m_control)
266 {
267 m_control->PopEventHandler( true /* delete it*/ );
268
269 m_control->Destroy();
270 m_control = NULL;
271 }
272 }
273
274 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
275 {
276 wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
277
278 m_control->Show(show);
279
280 if ( show )
281 {
282 // set the colours/fonts if we have any
283 if ( attr )
284 {
285 m_colFgOld = m_control->GetForegroundColour();
286 m_control->SetForegroundColour(attr->GetTextColour());
287
288 m_colBgOld = m_control->GetBackgroundColour();
289 m_control->SetBackgroundColour(attr->GetBackgroundColour());
290
291 // Workaround for GTK+1 font setting problem on some platforms
292 #if !defined(__WXGTK__) || defined(__WXGTK20__)
293 m_fontOld = m_control->GetFont();
294 m_control->SetFont(attr->GetFont());
295 #endif
296
297 // can't do anything more in the base class version, the other
298 // attributes may only be used by the derived classes
299 }
300 }
301 else
302 {
303 // restore the standard colours fonts
304 if ( m_colFgOld.IsOk() )
305 {
306 m_control->SetForegroundColour(m_colFgOld);
307 m_colFgOld = wxNullColour;
308 }
309
310 if ( m_colBgOld.IsOk() )
311 {
312 m_control->SetBackgroundColour(m_colBgOld);
313 m_colBgOld = wxNullColour;
314 }
315
316 // Workaround for GTK+1 font setting problem on some platforms
317 #if !defined(__WXGTK__) || defined(__WXGTK20__)
318 if ( m_fontOld.IsOk() )
319 {
320 m_control->SetFont(m_fontOld);
321 m_fontOld = wxNullFont;
322 }
323 #endif
324 }
325 }
326
327 void wxGridCellEditor::SetSize(const wxRect& rect)
328 {
329 wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
330
331 m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
332 }
333
334 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
335 {
336 event.Skip();
337 }
338
339 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
340 {
341 bool ctrl = event.ControlDown();
342 bool alt;
343
344 #ifdef __WXMAC__
345 // On the Mac the Alt key is more like shift and is used for entry of
346 // valid characters, so check for Ctrl and Meta instead.
347 alt = event.MetaDown();
348 #else // !__WXMAC__
349 alt = event.AltDown();
350 #endif // __WXMAC__/!__WXMAC__
351
352 // Assume it's not a valid char if ctrl or alt is down, but if both are
353 // down then it may be because of an AltGr key combination, so let them
354 // through in that case.
355 if ((ctrl || alt) && !(ctrl && alt))
356 return false;
357
358 #if wxUSE_UNICODE
359 if ( static_cast<int>(event.GetUnicodeKey()) == WXK_NONE )
360 return false;
361 #else
362 if ( event.GetKeyCode() > WXK_START )
363 return false;
364 #endif
365
366 return true;
367 }
368
369 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
370 {
371 event.Skip();
372 }
373
374 void wxGridCellEditor::StartingClick()
375 {
376 }
377
378 #if wxUSE_TEXTCTRL
379
380 // ----------------------------------------------------------------------------
381 // wxGridCellTextEditor
382 // ----------------------------------------------------------------------------
383
384 wxGridCellTextEditor::wxGridCellTextEditor(size_t maxChars)
385 {
386 m_maxChars = maxChars;
387 }
388
389 void wxGridCellTextEditor::Create(wxWindow* parent,
390 wxWindowID id,
391 wxEvtHandler* evtHandler)
392 {
393 DoCreate(parent, id, evtHandler);
394 }
395
396 void wxGridCellTextEditor::DoCreate(wxWindow* parent,
397 wxWindowID id,
398 wxEvtHandler* evtHandler,
399 long style)
400 {
401 style |= wxTE_PROCESS_ENTER | wxTE_PROCESS_TAB | wxNO_BORDER;
402
403 wxTextCtrl* const text = new wxTextCtrl(parent, id, wxEmptyString,
404 wxDefaultPosition, wxDefaultSize,
405 style);
406 text->SetMargins(0, 0);
407 m_control = text;
408
409 #ifdef __WXOSX__
410 wxWidgetImpl* impl = m_control->GetPeer();
411 impl->SetNeedsFocusRect(false);
412 #endif
413 // set max length allowed in the textctrl, if the parameter was set
414 if ( m_maxChars != 0 )
415 {
416 Text()->SetMaxLength(m_maxChars);
417 }
418 // validate text in textctrl, if validator is set
419 if ( m_validator )
420 {
421 Text()->SetValidator(*m_validator);
422 }
423
424 wxGridCellEditor::Create(parent, id, evtHandler);
425 }
426
427 void wxGridCellTextEditor::PaintBackground(wxDC& WXUNUSED(dc),
428 const wxRect& WXUNUSED(rectCell),
429 const wxGridCellAttr& WXUNUSED(attr))
430 {
431 // as we fill the entire client area,
432 // don't do anything here to minimize flicker
433 }
434
435 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
436 {
437 wxRect rect(rectOrig);
438
439 // Make the edit control large enough to allow for internal margins
440 //
441 // TODO: remove this if the text ctrl sizing is improved esp. for unix
442 //
443 #if defined(__WXGTK__)
444 if (rect.x != 0)
445 {
446 rect.x += 1;
447 rect.y += 1;
448 rect.width -= 1;
449 rect.height -= 1;
450 }
451 #elif defined(__WXMSW__)
452 if ( rect.x == 0 )
453 rect.x += 2;
454 else
455 rect.x += 3;
456
457 if ( rect.y == 0 )
458 rect.y += 2;
459 else
460 rect.y += 3;
461
462 rect.width -= 2;
463 rect.height -= 2;
464 #elif defined(__WXOSX__)
465 rect.x += 1;
466 rect.y += 1;
467
468 rect.width -= 1;
469 rect.height -= 1;
470 #else
471 int extra_x = ( rect.x > 2 ) ? 2 : 1;
472 int extra_y = ( rect.y > 2 ) ? 2 : 1;
473
474 #if defined(__WXMOTIF__)
475 extra_x *= 2;
476 extra_y *= 2;
477 #endif
478
479 rect.SetLeft( wxMax(0, rect.x - extra_x) );
480 rect.SetTop( wxMax(0, rect.y - extra_y) );
481 rect.SetRight( rect.GetRight() + 2 * extra_x );
482 rect.SetBottom( rect.GetBottom() + 2 * extra_y );
483 #endif
484
485 wxGridCellEditor::SetSize(rect);
486 }
487
488 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
489 {
490 wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
491
492 m_value = grid->GetTable()->GetValue(row, col);
493
494 DoBeginEdit(m_value);
495 }
496
497 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
498 {
499 Text()->SetValue(startValue);
500 Text()->SetInsertionPointEnd();
501 Text()->SelectAll();
502 Text()->SetFocus();
503 }
504
505 bool wxGridCellTextEditor::EndEdit(int WXUNUSED(row),
506 int WXUNUSED(col),
507 const wxGrid* WXUNUSED(grid),
508 const wxString& WXUNUSED(oldval),
509 wxString *newval)
510 {
511 wxCHECK_MSG( m_control, false,
512 "wxGridCellTextEditor must be created first!" );
513
514 const wxString value = Text()->GetValue();
515 if ( value == m_value )
516 return false;
517
518 m_value = value;
519
520 if ( newval )
521 *newval = m_value;
522
523 return true;
524 }
525
526 void wxGridCellTextEditor::ApplyEdit(int row, int col, wxGrid* grid)
527 {
528 grid->GetTable()->SetValue(row, col, m_value);
529 m_value.clear();
530 }
531
532 void wxGridCellTextEditor::Reset()
533 {
534 wxASSERT_MSG( m_control, "wxGridCellTextEditor must be created first!" );
535
536 DoReset(m_value);
537 }
538
539 void wxGridCellTextEditor::DoReset(const wxString& startValue)
540 {
541 Text()->SetValue(startValue);
542 Text()->SetInsertionPointEnd();
543 }
544
545 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
546 {
547 switch ( event.GetKeyCode() )
548 {
549 case WXK_DELETE:
550 case WXK_BACK:
551 return true;
552
553 default:
554 return wxGridCellEditor::IsAcceptedKey(event);
555 }
556 }
557
558 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
559 {
560 // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
561 // longer an appropriate way to get the character into the text control.
562 // Do it ourselves instead. We know that if we get this far that we have
563 // a valid character, so not a whole lot of testing needs to be done.
564
565 wxTextCtrl* tc = Text();
566 int ch;
567
568 bool isPrintable;
569
570 #if wxUSE_UNICODE
571 ch = event.GetUnicodeKey();
572 if ( ch != WXK_NONE )
573 isPrintable = true;
574 else
575 #endif // wxUSE_UNICODE
576 {
577 ch = event.GetKeyCode();
578 isPrintable = ch >= WXK_SPACE && ch < WXK_START;
579 }
580
581 switch (ch)
582 {
583 case WXK_DELETE:
584 // Delete the initial character when starting to edit with DELETE.
585 tc->Remove(0, 1);
586 break;
587
588 case WXK_BACK:
589 // Delete the last character when starting to edit with BACKSPACE.
590 {
591 const long pos = tc->GetLastPosition();
592 tc->Remove(pos - 1, pos);
593 }
594 break;
595
596 default:
597 if ( isPrintable )
598 tc->WriteText(static_cast<wxChar>(ch));
599 break;
600 }
601 }
602
603 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
604 WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
605 {
606 #if defined(__WXMOTIF__) || defined(__WXGTK__)
607 // wxMotif needs a little extra help...
608 size_t pos = (size_t)( Text()->GetInsertionPoint() );
609 wxString s( Text()->GetValue() );
610 s = s.Left(pos) + wxT("\n") + s.Mid(pos);
611 Text()->SetValue(s);
612 Text()->SetInsertionPoint( pos );
613 #else
614 // the other ports can handle a Return key press
615 //
616 event.Skip();
617 #endif
618 }
619
620 void wxGridCellTextEditor::SetParameters(const wxString& params)
621 {
622 if ( !params )
623 {
624 // reset to default
625 m_maxChars = 0;
626 }
627 else
628 {
629 long tmp;
630 if ( params.ToLong(&tmp) )
631 {
632 m_maxChars = (size_t)tmp;
633 }
634 else
635 {
636 wxLogDebug( wxT("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str() );
637 }
638 }
639 }
640
641 void wxGridCellTextEditor::SetValidator(const wxValidator& validator)
642 {
643 m_validator.reset(static_cast<wxValidator*>(validator.Clone()));
644 }
645
646 wxGridCellEditor *wxGridCellTextEditor::Clone() const
647 {
648 wxGridCellTextEditor* editor = new wxGridCellTextEditor(m_maxChars);
649 if ( m_validator )
650 {
651 editor->SetValidator(*m_validator);
652 }
653 return editor;
654 }
655
656 // return the value in the text control
657 wxString wxGridCellTextEditor::GetValue() const
658 {
659 return Text()->GetValue();
660 }
661
662 // ----------------------------------------------------------------------------
663 // wxGridCellNumberEditor
664 // ----------------------------------------------------------------------------
665
666 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
667 {
668 m_min = min;
669 m_max = max;
670 }
671
672 void wxGridCellNumberEditor::Create(wxWindow* parent,
673 wxWindowID id,
674 wxEvtHandler* evtHandler)
675 {
676 #if wxUSE_SPINCTRL
677 if ( HasRange() )
678 {
679 // create a spin ctrl
680 m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
681 wxDefaultPosition, wxDefaultSize,
682 wxSP_ARROW_KEYS,
683 m_min, m_max);
684
685 wxGridCellEditor::Create(parent, id, evtHandler);
686 }
687 else
688 #endif
689 {
690 // just a text control
691 wxGridCellTextEditor::Create(parent, id, evtHandler);
692
693 #if wxUSE_VALIDATORS
694 Text()->SetValidator(wxIntegerValidator<int>());
695 #endif
696 }
697 }
698
699 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
700 {
701 // first get the value
702 wxGridTableBase *table = grid->GetTable();
703 if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
704 {
705 m_value = table->GetValueAsLong(row, col);
706 }
707 else
708 {
709 m_value = 0;
710 wxString sValue = table->GetValue(row, col);
711 if (! sValue.ToLong(&m_value) && ! sValue.empty())
712 {
713 wxFAIL_MSG( wxT("this cell doesn't have numeric value") );
714 return;
715 }
716 }
717
718 #if wxUSE_SPINCTRL
719 if ( HasRange() )
720 {
721 Spin()->SetValue((int)m_value);
722 Spin()->SetFocus();
723 }
724 else
725 #endif
726 {
727 DoBeginEdit(GetString());
728 }
729 }
730
731 bool wxGridCellNumberEditor::EndEdit(int WXUNUSED(row),
732 int WXUNUSED(col),
733 const wxGrid* WXUNUSED(grid),
734 const wxString& oldval, wxString *newval)
735 {
736 long value = 0;
737 wxString text;
738
739 #if wxUSE_SPINCTRL
740 if ( HasRange() )
741 {
742 value = Spin()->GetValue();
743 if ( value == m_value )
744 return false;
745
746 text.Printf(wxT("%ld"), value);
747 }
748 else // using unconstrained input
749 #endif // wxUSE_SPINCTRL
750 {
751 text = Text()->GetValue();
752 if ( text.empty() )
753 {
754 if ( oldval.empty() )
755 return false;
756 }
757 else // non-empty text now (maybe 0)
758 {
759 if ( !text.ToLong(&value) )
760 return false;
761
762 // if value == m_value == 0 but old text was "" and new one is
763 // "0" something still did change
764 if ( value == m_value && (value || !oldval.empty()) )
765 return false;
766 }
767 }
768
769 m_value = value;
770
771 if ( newval )
772 *newval = text;
773
774 return true;
775 }
776
777 void wxGridCellNumberEditor::ApplyEdit(int row, int col, wxGrid* grid)
778 {
779 wxGridTableBase * const table = grid->GetTable();
780 if ( table->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER) )
781 table->SetValueAsLong(row, col, m_value);
782 else
783 table->SetValue(row, col, wxString::Format("%ld", m_value));
784 }
785
786 void wxGridCellNumberEditor::Reset()
787 {
788 #if wxUSE_SPINCTRL
789 if ( HasRange() )
790 {
791 Spin()->SetValue((int)m_value);
792 }
793 else
794 #endif
795 {
796 DoReset(GetString());
797 }
798 }
799
800 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
801 {
802 if ( wxGridCellEditor::IsAcceptedKey(event) )
803 {
804 int keycode = event.GetKeyCode();
805 if ( (keycode < 128) &&
806 (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
807 {
808 return true;
809 }
810 }
811
812 return false;
813 }
814
815 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
816 {
817 int keycode = event.GetKeyCode();
818 if ( !HasRange() )
819 {
820 if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
821 {
822 wxGridCellTextEditor::StartingKey(event);
823
824 // skip Skip() below
825 return;
826 }
827 }
828 #if wxUSE_SPINCTRL
829 else
830 {
831 if ( wxIsdigit(keycode) )
832 {
833 wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
834 spin->SetValue(keycode - '0');
835 spin->SetSelection(1,1);
836 return;
837 }
838 }
839 #endif
840
841 event.Skip();
842 }
843
844 void wxGridCellNumberEditor::SetParameters(const wxString& params)
845 {
846 if ( !params )
847 {
848 // reset to default
849 m_min =
850 m_max = -1;
851 }
852 else
853 {
854 long tmp;
855 if ( params.BeforeFirst(wxT(',')).ToLong(&tmp) )
856 {
857 m_min = (int)tmp;
858
859 if ( params.AfterFirst(wxT(',')).ToLong(&tmp) )
860 {
861 m_max = (int)tmp;
862
863 // skip the error message below
864 return;
865 }
866 }
867
868 wxLogDebug(wxT("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
869 }
870 }
871
872 // return the value in the spin control if it is there (the text control otherwise)
873 wxString wxGridCellNumberEditor::GetValue() const
874 {
875 wxString s;
876
877 #if wxUSE_SPINCTRL
878 if ( HasRange() )
879 {
880 long value = Spin()->GetValue();
881 s.Printf(wxT("%ld"), value);
882 }
883 else
884 #endif
885 {
886 s = Text()->GetValue();
887 }
888
889 return s;
890 }
891
892 // ----------------------------------------------------------------------------
893 // wxGridCellFloatEditor
894 // ----------------------------------------------------------------------------
895
896 wxGridCellFloatEditor::wxGridCellFloatEditor(int width,
897 int precision,
898 int format)
899 {
900 m_width = width;
901 m_precision = precision;
902 m_style = format;
903 }
904
905 void wxGridCellFloatEditor::Create(wxWindow* parent,
906 wxWindowID id,
907 wxEvtHandler* evtHandler)
908 {
909 wxGridCellTextEditor::Create(parent, id, evtHandler);
910
911 #if wxUSE_VALIDATORS
912 Text()->SetValidator(wxFloatingPointValidator<double>(m_precision));
913 #endif
914 }
915
916 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
917 {
918 // first get the value
919 wxGridTableBase * const table = grid->GetTable();
920 if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
921 {
922 m_value = table->GetValueAsDouble(row, col);
923 }
924 else
925 {
926 m_value = 0.0;
927
928 const wxString value = table->GetValue(row, col);
929 if ( !value.empty() )
930 {
931 if ( !value.ToDouble(&m_value) )
932 {
933 wxFAIL_MSG( wxT("this cell doesn't have float value") );
934 return;
935 }
936 }
937 }
938
939 DoBeginEdit(GetString());
940 }
941
942 bool wxGridCellFloatEditor::EndEdit(int WXUNUSED(row),
943 int WXUNUSED(col),
944 const wxGrid* WXUNUSED(grid),
945 const wxString& oldval, wxString *newval)
946 {
947 const wxString text(Text()->GetValue());
948
949 double value;
950 if ( !text.empty() )
951 {
952 if ( !text.ToDouble(&value) )
953 return false;
954 }
955 else // new value is empty string
956 {
957 if ( oldval.empty() )
958 return false; // nothing changed
959
960 value = 0.;
961 }
962
963 // the test for empty strings ensures that we don't skip the value setting
964 // when "" is replaced by "0" or vice versa as "" numeric value is also 0.
965 if ( wxIsSameDouble(value, m_value) && !text.empty() && !oldval.empty() )
966 return false; // nothing changed
967
968 m_value = value;
969
970 if ( newval )
971 *newval = text;
972
973 return true;
974 }
975
976 void wxGridCellFloatEditor::ApplyEdit(int row, int col, wxGrid* grid)
977 {
978 wxGridTableBase * const table = grid->GetTable();
979
980 if ( table->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT) )
981 table->SetValueAsDouble(row, col, m_value);
982 else
983 table->SetValue(row, col, Text()->GetValue());
984 }
985
986 void wxGridCellFloatEditor::Reset()
987 {
988 DoReset(GetString());
989 }
990
991 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
992 {
993 int keycode = event.GetKeyCode();
994 char tmpbuf[2];
995 tmpbuf[0] = (char) keycode;
996 tmpbuf[1] = '\0';
997 wxString strbuf(tmpbuf, *wxConvCurrent);
998
999 #if wxUSE_INTL
1000 bool is_decimal_point = ( strbuf ==
1001 wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
1002 #else
1003 bool is_decimal_point = ( strbuf == wxT(".") );
1004 #endif
1005
1006 if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
1007 || is_decimal_point )
1008 {
1009 wxGridCellTextEditor::StartingKey(event);
1010
1011 // skip Skip() below
1012 return;
1013 }
1014
1015 event.Skip();
1016 }
1017
1018 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1019 {
1020 if ( !params )
1021 {
1022 // reset to default
1023 m_width =
1024 m_precision = -1;
1025 m_style = wxGRID_FLOAT_FORMAT_DEFAULT;
1026 m_format.clear();
1027 }
1028 else
1029 {
1030 wxString rest;
1031 wxString tmp = params.BeforeFirst(wxT(','), &rest);
1032 if ( !tmp.empty() )
1033 {
1034 long width;
1035 if ( tmp.ToLong(&width) )
1036 {
1037 m_width = (int)width;
1038 }
1039 else
1040 {
1041 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
1042 }
1043 }
1044
1045 tmp = rest.BeforeFirst(wxT(','));
1046 if ( !tmp.empty() )
1047 {
1048 long precision;
1049 if ( tmp.ToLong(&precision) )
1050 {
1051 m_precision = (int)precision;
1052 }
1053 else
1054 {
1055 wxLogDebug(wxT("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
1056 }
1057 }
1058
1059 tmp = rest.AfterFirst(wxT(','));
1060 if ( !tmp.empty() )
1061 {
1062 if ( tmp[0] == wxT('f') )
1063 {
1064 m_style = wxGRID_FLOAT_FORMAT_FIXED;
1065 }
1066 else if ( tmp[0] == wxT('e') )
1067 {
1068 m_style = wxGRID_FLOAT_FORMAT_SCIENTIFIC;
1069 }
1070 else if ( tmp[0] == wxT('g') )
1071 {
1072 m_style = wxGRID_FLOAT_FORMAT_COMPACT;
1073 }
1074 else if ( tmp[0] == wxT('E') )
1075 {
1076 m_style = wxGRID_FLOAT_FORMAT_SCIENTIFIC |
1077 wxGRID_FLOAT_FORMAT_UPPER;
1078 }
1079 else if ( tmp[0] == wxT('F') )
1080 {
1081 m_style = wxGRID_FLOAT_FORMAT_FIXED |
1082 wxGRID_FLOAT_FORMAT_UPPER;
1083 }
1084 else if ( tmp[0] == wxT('G') )
1085 {
1086 m_style = wxGRID_FLOAT_FORMAT_COMPACT |
1087 wxGRID_FLOAT_FORMAT_UPPER;
1088 }
1089 else
1090 {
1091 wxLogDebug("Invalid wxGridCellFloatRenderer format "
1092 "parameter string '%s ignored", params);
1093 }
1094 }
1095 }
1096 }
1097
1098 wxString wxGridCellFloatEditor::GetString()
1099 {
1100 if ( !m_format )
1101 {
1102 if ( m_precision == -1 && m_width != -1)
1103 {
1104 // default precision
1105 m_format.Printf(wxT("%%%d."), m_width);
1106 }
1107 else if ( m_precision != -1 && m_width == -1)
1108 {
1109 // default width
1110 m_format.Printf(wxT("%%.%d"), m_precision);
1111 }
1112 else if ( m_precision != -1 && m_width != -1 )
1113 {
1114 m_format.Printf(wxT("%%%d.%d"), m_width, m_precision);
1115 }
1116 else
1117 {
1118 // default width/precision
1119 m_format = wxT("%");
1120 }
1121
1122 bool isUpper = (m_style & wxGRID_FLOAT_FORMAT_UPPER) != 0;
1123 if ( m_style & wxGRID_FLOAT_FORMAT_SCIENTIFIC )
1124 m_format += isUpper ? wxT('E') : wxT('e');
1125 else if ( m_style & wxGRID_FLOAT_FORMAT_COMPACT )
1126 m_format += isUpper ? wxT('G') : wxT('g');
1127 else
1128 m_format += wxT('f');
1129 }
1130
1131 return wxString::Format(m_format, m_value);
1132 }
1133
1134 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1135 {
1136 if ( wxGridCellEditor::IsAcceptedKey(event) )
1137 {
1138 const int keycode = event.GetKeyCode();
1139 if ( wxIsascii(keycode) )
1140 {
1141 #if wxUSE_INTL
1142 const wxString decimalPoint =
1143 wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);
1144 #else
1145 const wxString decimalPoint(wxT('.'));
1146 #endif
1147
1148 // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
1149 if ( wxIsdigit(keycode) ||
1150 tolower(keycode) == 'e' ||
1151 keycode == decimalPoint ||
1152 keycode == '+' ||
1153 keycode == '-' )
1154 {
1155 return true;
1156 }
1157 }
1158 }
1159
1160 return false;
1161 }
1162
1163 #endif // wxUSE_TEXTCTRL
1164
1165 #if wxUSE_CHECKBOX
1166
1167 // ----------------------------------------------------------------------------
1168 // wxGridCellBoolEditor
1169 // ----------------------------------------------------------------------------
1170
1171 // the default values for GetValue()
1172 wxString wxGridCellBoolEditor::ms_stringValues[2] = { wxT(""), wxT("1") };
1173
1174 void wxGridCellBoolEditor::Create(wxWindow* parent,
1175 wxWindowID id,
1176 wxEvtHandler* evtHandler)
1177 {
1178 m_control = new wxCheckBox(parent, id, wxEmptyString,
1179 wxDefaultPosition, wxDefaultSize,
1180 wxNO_BORDER);
1181
1182 wxGridCellEditor::Create(parent, id, evtHandler);
1183 }
1184
1185 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1186 {
1187 bool resize = false;
1188 wxSize size = m_control->GetSize();
1189 wxCoord minSize = wxMin(r.width, r.height);
1190
1191 // check if the checkbox is not too big/small for this cell
1192 wxSize sizeBest = m_control->GetBestSize();
1193 if ( !(size == sizeBest) )
1194 {
1195 // reset to default size if it had been made smaller
1196 size = sizeBest;
1197
1198 resize = true;
1199 }
1200
1201 if ( size.x >= minSize || size.y >= minSize )
1202 {
1203 // leave 1 pixel margin
1204 size.x = size.y = minSize - 2;
1205
1206 resize = true;
1207 }
1208
1209 if ( resize )
1210 {
1211 m_control->SetSize(size);
1212 }
1213
1214 // position it in the centre of the rectangle (TODO: support alignment?)
1215
1216 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1217 // the checkbox without label still has some space to the right in wxGTK,
1218 // so shift it to the right
1219 size.x -= 8;
1220 #elif defined(__WXMSW__)
1221 // here too, but in other way
1222 size.x += 1;
1223 size.y -= 2;
1224 #endif
1225
1226 int hAlign = wxALIGN_CENTRE;
1227 int vAlign = wxALIGN_CENTRE;
1228 if (GetCellAttr())
1229 GetCellAttr()->GetAlignment(& hAlign, & vAlign);
1230
1231 int x = 0, y = 0;
1232 if (hAlign == wxALIGN_LEFT)
1233 {
1234 x = r.x + 2;
1235
1236 #ifdef __WXMSW__
1237 x += 2;
1238 #endif
1239
1240 y = r.y + r.height / 2 - size.y / 2;
1241 }
1242 else if (hAlign == wxALIGN_RIGHT)
1243 {
1244 x = r.x + r.width - size.x - 2;
1245 y = r.y + r.height / 2 - size.y / 2;
1246 }
1247 else if (hAlign == wxALIGN_CENTRE)
1248 {
1249 x = r.x + r.width / 2 - size.x / 2;
1250 y = r.y + r.height / 2 - size.y / 2;
1251 }
1252
1253 m_control->Move(x, y);
1254 }
1255
1256 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1257 {
1258 m_control->Show(show);
1259
1260 if ( show )
1261 {
1262 wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1263 CBox()->SetBackgroundColour(colBg);
1264 }
1265 }
1266
1267 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1268 {
1269 wxASSERT_MSG(m_control,
1270 wxT("The wxGridCellEditor must be created first!"));
1271
1272 if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1273 {
1274 m_value = grid->GetTable()->GetValueAsBool(row, col);
1275 }
1276 else
1277 {
1278 wxString cellval( grid->GetTable()->GetValue(row, col) );
1279
1280 if ( cellval == ms_stringValues[false] )
1281 m_value = false;
1282 else if ( cellval == ms_stringValues[true] )
1283 m_value = true;
1284 else
1285 {
1286 // do not try to be smart here and convert it to true or false
1287 // because we'll still overwrite it with something different and
1288 // this risks to be very surprising for the user code, let them
1289 // know about it
1290 wxFAIL_MSG( wxT("invalid value for a cell with bool editor!") );
1291 }
1292 }
1293
1294 CBox()->SetValue(m_value);
1295 CBox()->SetFocus();
1296 }
1297
1298 bool wxGridCellBoolEditor::EndEdit(int WXUNUSED(row),
1299 int WXUNUSED(col),
1300 const wxGrid* WXUNUSED(grid),
1301 const wxString& WXUNUSED(oldval),
1302 wxString *newval)
1303 {
1304 bool value = CBox()->GetValue();
1305 if ( value == m_value )
1306 return false;
1307
1308 m_value = value;
1309
1310 if ( newval )
1311 *newval = GetValue();
1312
1313 return true;
1314 }
1315
1316 void wxGridCellBoolEditor::ApplyEdit(int row, int col, wxGrid* grid)
1317 {
1318 wxGridTableBase * const table = grid->GetTable();
1319 if ( table->CanSetValueAs(row, col, wxGRID_VALUE_BOOL) )
1320 table->SetValueAsBool(row, col, m_value);
1321 else
1322 table->SetValue(row, col, GetValue());
1323 }
1324
1325 void wxGridCellBoolEditor::Reset()
1326 {
1327 wxASSERT_MSG(m_control,
1328 wxT("The wxGridCellEditor must be created first!"));
1329
1330 CBox()->SetValue(m_value);
1331 }
1332
1333 void wxGridCellBoolEditor::StartingClick()
1334 {
1335 CBox()->SetValue(!CBox()->GetValue());
1336 }
1337
1338 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1339 {
1340 if ( wxGridCellEditor::IsAcceptedKey(event) )
1341 {
1342 int keycode = event.GetKeyCode();
1343 switch ( keycode )
1344 {
1345 case WXK_SPACE:
1346 case '+':
1347 case '-':
1348 return true;
1349 }
1350 }
1351
1352 return false;
1353 }
1354
1355 void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
1356 {
1357 int keycode = event.GetKeyCode();
1358 switch ( keycode )
1359 {
1360 case WXK_SPACE:
1361 CBox()->SetValue(!CBox()->GetValue());
1362 break;
1363
1364 case '+':
1365 CBox()->SetValue(true);
1366 break;
1367
1368 case '-':
1369 CBox()->SetValue(false);
1370 break;
1371 }
1372 }
1373
1374 wxString wxGridCellBoolEditor::GetValue() const
1375 {
1376 return ms_stringValues[CBox()->GetValue()];
1377 }
1378
1379 /* static */ void
1380 wxGridCellBoolEditor::UseStringValues(const wxString& valueTrue,
1381 const wxString& valueFalse)
1382 {
1383 ms_stringValues[false] = valueFalse;
1384 ms_stringValues[true] = valueTrue;
1385 }
1386
1387 /* static */ bool
1388 wxGridCellBoolEditor::IsTrueValue(const wxString& value)
1389 {
1390 return value == ms_stringValues[true];
1391 }
1392
1393 #endif // wxUSE_CHECKBOX
1394
1395 #if wxUSE_COMBOBOX
1396
1397 // ----------------------------------------------------------------------------
1398 // wxGridCellChoiceEditor
1399 // ----------------------------------------------------------------------------
1400
1401 wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
1402 bool allowOthers)
1403 : m_choices(choices),
1404 m_allowOthers(allowOthers) { }
1405
1406 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1407 const wxString choices[],
1408 bool allowOthers)
1409 : m_allowOthers(allowOthers)
1410 {
1411 if ( count )
1412 {
1413 m_choices.Alloc(count);
1414 for ( size_t n = 0; n < count; n++ )
1415 {
1416 m_choices.Add(choices[n]);
1417 }
1418 }
1419 }
1420
1421 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1422 {
1423 wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1424 editor->m_allowOthers = m_allowOthers;
1425 editor->m_choices = m_choices;
1426
1427 return editor;
1428 }
1429
1430 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1431 wxWindowID id,
1432 wxEvtHandler* evtHandler)
1433 {
1434 int style = wxTE_PROCESS_ENTER |
1435 wxTE_PROCESS_TAB |
1436 wxBORDER_NONE;
1437
1438 if ( !m_allowOthers )
1439 style |= wxCB_READONLY;
1440 m_control = new wxComboBox(parent, id, wxEmptyString,
1441 wxDefaultPosition, wxDefaultSize,
1442 m_choices,
1443 style);
1444
1445 wxGridCellEditor::Create(parent, id, evtHandler);
1446 }
1447
1448 void wxGridCellChoiceEditor::SetSize(const wxRect& rect)
1449 {
1450 wxASSERT_MSG(m_control,
1451 wxT("The wxGridCellChoiceEditor must be created first!"));
1452
1453 // Check that the height is not too small to fit the combobox.
1454 wxRect rectTallEnough = rect;
1455 const wxSize bestSize = m_control->GetBestSize();
1456 const wxCoord diffY = bestSize.GetHeight() - rectTallEnough.GetHeight();
1457 if ( diffY > 0 )
1458 {
1459 // Do make it tall enough.
1460 rectTallEnough.height += diffY;
1461
1462 // Also centre the effective rectangle vertically with respect to the
1463 // original one.
1464 rectTallEnough.y -= diffY/2;
1465 }
1466 //else: The rectangle provided is already tall enough.
1467
1468 wxGridCellEditor::SetSize(rectTallEnough);
1469 }
1470
1471 void wxGridCellChoiceEditor::PaintBackground(wxDC& dc,
1472 const wxRect& rectCell,
1473 const wxGridCellAttr& attr)
1474 {
1475 // as we fill the entire client area, don't do anything here to minimize
1476 // flicker
1477
1478 // TODO: It doesn't actually fill the client area since the height of a
1479 // combo always defaults to the standard. Until someone has time to
1480 // figure out the right rectangle to paint, just do it the normal way.
1481 wxGridCellEditor::PaintBackground(dc, rectCell, attr);
1482 }
1483
1484 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1485 {
1486 wxASSERT_MSG(m_control,
1487 wxT("The wxGridCellEditor must be created first!"));
1488
1489 wxGridCellEditorEvtHandler* evtHandler = NULL;
1490 if (m_control)
1491 evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1492
1493 // Don't immediately end if we get a kill focus event within BeginEdit
1494 if (evtHandler)
1495 evtHandler->SetInSetFocus(true);
1496
1497 m_value = grid->GetTable()->GetValue(row, col);
1498
1499 Reset(); // this updates combo box to correspond to m_value
1500
1501 Combo()->SetFocus();
1502
1503 #ifdef __WXOSX_COCOA__
1504 // This is a work around for the combobox being simply dismissed when a
1505 // choice is made in it under OS X. The bug is almost certainly due to a
1506 // problem in focus events generation logic but it's not obvious to fix and
1507 // for now this at least allows to use wxGrid.
1508 Combo()->Popup();
1509 #endif
1510
1511 if (evtHandler)
1512 {
1513 // When dropping down the menu, a kill focus event
1514 // happens after this point, so we can't reset the flag yet.
1515 #if !defined(__WXGTK20__)
1516 evtHandler->SetInSetFocus(false);
1517 #endif
1518 }
1519 }
1520
1521 bool wxGridCellChoiceEditor::EndEdit(int WXUNUSED(row),
1522 int WXUNUSED(col),
1523 const wxGrid* WXUNUSED(grid),
1524 const wxString& WXUNUSED(oldval),
1525 wxString *newval)
1526 {
1527 const wxString value = Combo()->GetValue();
1528 if ( value == m_value )
1529 return false;
1530
1531 m_value = value;
1532
1533 if ( newval )
1534 *newval = value;
1535
1536 return true;
1537 }
1538
1539 void wxGridCellChoiceEditor::ApplyEdit(int row, int col, wxGrid* grid)
1540 {
1541 grid->GetTable()->SetValue(row, col, m_value);
1542 }
1543
1544 void wxGridCellChoiceEditor::Reset()
1545 {
1546 if (m_allowOthers)
1547 {
1548 Combo()->SetValue(m_value);
1549 Combo()->SetInsertionPointEnd();
1550 }
1551 else // the combobox is read-only
1552 {
1553 // find the right position, or default to the first if not found
1554 int pos = Combo()->FindString(m_value);
1555 if (pos == wxNOT_FOUND)
1556 pos = 0;
1557 Combo()->SetSelection(pos);
1558 }
1559 }
1560
1561 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1562 {
1563 if ( !params )
1564 {
1565 // what can we do?
1566 return;
1567 }
1568
1569 m_choices.Empty();
1570
1571 wxStringTokenizer tk(params, wxT(','));
1572 while ( tk.HasMoreTokens() )
1573 {
1574 m_choices.Add(tk.GetNextToken());
1575 }
1576 }
1577
1578 // return the value in the text control
1579 wxString wxGridCellChoiceEditor::GetValue() const
1580 {
1581 return Combo()->GetValue();
1582 }
1583
1584 #endif // wxUSE_COMBOBOX
1585
1586 #if wxUSE_COMBOBOX
1587
1588 // ----------------------------------------------------------------------------
1589 // wxGridCellEnumEditor
1590 // ----------------------------------------------------------------------------
1591
1592 // A cell editor which displays an enum number as a textual equivalent. eg
1593 // data in cell is 0,1,2 ... n the cell could be displayed as
1594 // "John","Fred"..."Bob" in the combo choice box
1595
1596 wxGridCellEnumEditor::wxGridCellEnumEditor(const wxString& choices)
1597 :wxGridCellChoiceEditor()
1598 {
1599 m_index = -1;
1600
1601 if (!choices.empty())
1602 SetParameters(choices);
1603 }
1604
1605 wxGridCellEditor *wxGridCellEnumEditor::Clone() const
1606 {
1607 wxGridCellEnumEditor *editor = new wxGridCellEnumEditor();
1608 editor->m_index = m_index;
1609 return editor;
1610 }
1611
1612 void wxGridCellEnumEditor::BeginEdit(int row, int col, wxGrid* grid)
1613 {
1614 wxASSERT_MSG(m_control,
1615 wxT("The wxGridCellEnumEditor must be Created first!"));
1616
1617 wxGridCellEditorEvtHandler* evtHandler = NULL;
1618 if (m_control)
1619 evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1620
1621 // Don't immediately end if we get a kill focus event within BeginEdit
1622 if (evtHandler)
1623 evtHandler->SetInSetFocus(true);
1624
1625 wxGridTableBase *table = grid->GetTable();
1626
1627 if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1628 {
1629 m_index = table->GetValueAsLong(row, col);
1630 }
1631 else
1632 {
1633 wxString startValue = table->GetValue(row, col);
1634 if (startValue.IsNumber() && !startValue.empty())
1635 {
1636 startValue.ToLong(&m_index);
1637 }
1638 else
1639 {
1640 m_index = -1;
1641 }
1642 }
1643
1644 Combo()->SetSelection(m_index);
1645 Combo()->SetFocus();
1646
1647 #ifdef __WXOSX_COCOA__
1648 // This is a work around for the combobox being simply dismissed when a
1649 // choice is made in it under OS X. The bug is almost certainly due to a
1650 // problem in focus events generation logic but it's not obvious to fix and
1651 // for now this at least allows to use wxGrid.
1652 Combo()->Popup();
1653 #endif
1654
1655 if (evtHandler)
1656 {
1657 // When dropping down the menu, a kill focus event
1658 // happens after this point, so we can't reset the flag yet.
1659 #if !defined(__WXGTK20__)
1660 evtHandler->SetInSetFocus(false);
1661 #endif
1662 }
1663 }
1664
1665 bool wxGridCellEnumEditor::EndEdit(int WXUNUSED(row),
1666 int WXUNUSED(col),
1667 const wxGrid* WXUNUSED(grid),
1668 const wxString& WXUNUSED(oldval),
1669 wxString *newval)
1670 {
1671 long idx = Combo()->GetSelection();
1672 if ( idx == m_index )
1673 return false;
1674
1675 m_index = idx;
1676
1677 if ( newval )
1678 newval->Printf("%ld", m_index);
1679
1680 return true;
1681 }
1682
1683 void wxGridCellEnumEditor::ApplyEdit(int row, int col, wxGrid* grid)
1684 {
1685 wxGridTableBase * const table = grid->GetTable();
1686 if ( table->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1687 table->SetValueAsLong(row, col, m_index);
1688 else
1689 table->SetValue(row, col, wxString::Format("%ld", m_index));
1690 }
1691
1692 #endif // wxUSE_COMBOBOX
1693
1694 // ----------------------------------------------------------------------------
1695 // wxGridCellAutoWrapStringEditor
1696 // ----------------------------------------------------------------------------
1697
1698 void
1699 wxGridCellAutoWrapStringEditor::Create(wxWindow* parent,
1700 wxWindowID id,
1701 wxEvtHandler* evtHandler)
1702 {
1703 wxGridCellTextEditor::DoCreate(parent, id, evtHandler,
1704 wxTE_MULTILINE | wxTE_RICH);
1705 }
1706
1707
1708 #endif // wxUSE_GRID