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1 /////////////////////////////////////////////////////////////////////////////
2 // Program: wxWidgets Widgets Sample
3 // Name: odcombobox.cpp
4 // Purpose: Part of the widgets sample showing wxOwnerDrawnComboBox
5 // Author: Jaakko Salli (based on combobox page by Vadim Zeitlin)
6 // Created: Jul-28-2006
7 // Id: $Id$
8 // Copyright: (c) 2006 Jaakko Salli
9 // License: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 // for compilers that support precompilation, includes "wx/wx.h".
21 #include "wx/wxprec.h"
22
23 #ifdef __BORLANDC__
24 #pragma hdrstop
25 #endif
26
27 #if wxUSE_ODCOMBOBOX
28
29 // for all others, include the necessary headers
30 #ifndef WX_PRECOMP
31 #include "wx/log.h"
32
33 #include "wx/bitmap.h"
34 #include "wx/button.h"
35 #include "wx/checkbox.h"
36 #include "wx/combobox.h"
37 #include "wx/radiobox.h"
38 #include "wx/statbox.h"
39 #include "wx/textctrl.h"
40 #endif
41
42 #include "wx/dc.h"
43 #include "wx/dcmemory.h"
44 #include "wx/sizer.h"
45 #include "wx/odcombo.h"
46
47
48 #include "widgets.h"
49
50 #include "icons/odcombobox.xpm"
51
52 // ----------------------------------------------------------------------------
53 // constants
54 // ----------------------------------------------------------------------------
55
56 // control ids
57 enum
58 {
59 ODComboPage_Reset = wxID_HIGHEST,
60 ODComboPage_PopupMinWidth,
61 ODComboPage_PopupHeight,
62 ODComboPage_ButtonWidth,
63 ODComboPage_ButtonHeight,
64 ODComboPage_ButtonSpacing,
65 ODComboPage_CurText,
66 ODComboPage_InsertionPointText,
67 ODComboPage_Insert,
68 ODComboPage_InsertText,
69 ODComboPage_Add,
70 ODComboPage_AddText,
71 ODComboPage_AddSeveral,
72 ODComboPage_AddMany,
73 ODComboPage_Clear,
74 ODComboPage_Change,
75 ODComboPage_ChangeText,
76 ODComboPage_Delete,
77 ODComboPage_DeleteText,
78 ODComboPage_DeleteSel,
79 ODComboPage_Combo
80 };
81
82
83 // ----------------------------------------------------------------------------
84 // ODComboboxWidgetsPage
85 // ----------------------------------------------------------------------------
86
87 class ODComboboxWidgetsPage : public WidgetsPage
88 {
89 public:
90 ODComboboxWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
91
92 virtual wxControl *GetWidget() const { return m_combobox; }
93 virtual void RecreateWidget() { CreateCombo(); }
94
95 // lazy creation of the content
96 virtual void CreateContent();
97
98 protected:
99 // event handlers
100 void OnButtonReset(wxCommandEvent& event);
101 void OnButtonChange(wxCommandEvent& event);
102 void OnButtonDelete(wxCommandEvent& event);
103 void OnButtonDeleteSel(wxCommandEvent& event);
104 void OnButtonClear(wxCommandEvent& event);
105 void OnButtonInsert(wxCommandEvent &event);
106 void OnButtonAdd(wxCommandEvent& event);
107 void OnButtonAddSeveral(wxCommandEvent& event);
108 void OnButtonAddMany(wxCommandEvent& event);
109
110 void OnComboBox(wxCommandEvent& event);
111 void OnComboText(wxCommandEvent& event);
112
113 void OnCheckOrRadioBox(wxCommandEvent& event);
114
115 void OnTextPopupWidth(wxCommandEvent& event);
116 void OnTextPopupHeight(wxCommandEvent& event);
117 void OnTextButtonAll(wxCommandEvent& event);
118
119 void OnUpdateUICurText(wxUpdateUIEvent& event);
120 void OnUpdateUIInsertionPointText(wxUpdateUIEvent& event);
121
122 void OnUpdateUIInsert(wxUpdateUIEvent& event);
123 void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
124 void OnUpdateUIClearButton(wxUpdateUIEvent& event);
125 void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
126 void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
127 void OnUpdateUIResetButton(wxUpdateUIEvent& event);
128
129 // reset the odcombobox parameters
130 void Reset();
131
132 // (re)create the odcombobox
133 void CreateCombo();
134
135 // helper that gets all button values from controls and calls SetButtonPosition
136 void GetButtonPosition();
137
138 // helper to create the button bitmap
139 wxBitmap CreateBitmap(const wxColour& colour);
140
141 // the controls
142 // ------------
143
144 // the checkboxes for styles
145 wxCheckBox *m_chkSort,
146 *m_chkReadonly,
147 *m_chkDclickcycles,
148 *m_chkBitmapbutton,
149 *m_chkStdbutton;
150
151 // the text entries for popup and button adjustment
152 wxTextCtrl *m_textPopupMinWidth,
153 *m_textPopupHeight,
154 *m_textButtonWidth,
155 *m_textButtonHeight,
156 *m_textButtonSpacing;
157
158 // the checkboxes for same
159 wxCheckBox *m_chkAlignpopupright,
160 *m_chkAlignbutleft;
161
162 // the combobox itself and the sizer it is in
163 wxOwnerDrawnComboBox *m_combobox;
164 wxSizer *m_sizerCombo;
165
166 // the text entries for "Add/change string" and "Delete" buttons
167 wxTextCtrl *m_textInsert,
168 *m_textAdd,
169 *m_textChange,
170 *m_textDelete;
171
172 private:
173 DECLARE_EVENT_TABLE()
174 DECLARE_WIDGETS_PAGE(ODComboboxWidgetsPage)
175 };
176
177 // ----------------------------------------------------------------------------
178 // event tables
179 // ----------------------------------------------------------------------------
180
181 BEGIN_EVENT_TABLE(ODComboboxWidgetsPage, WidgetsPage)
182 EVT_BUTTON(ODComboPage_Reset, ODComboboxWidgetsPage::OnButtonReset)
183 EVT_BUTTON(ODComboPage_Change, ODComboboxWidgetsPage::OnButtonChange)
184 EVT_BUTTON(ODComboPage_Delete, ODComboboxWidgetsPage::OnButtonDelete)
185 EVT_BUTTON(ODComboPage_DeleteSel, ODComboboxWidgetsPage::OnButtonDeleteSel)
186 EVT_BUTTON(ODComboPage_Clear, ODComboboxWidgetsPage::OnButtonClear)
187 EVT_BUTTON(ODComboPage_Insert, ODComboboxWidgetsPage::OnButtonInsert)
188 EVT_BUTTON(ODComboPage_Add, ODComboboxWidgetsPage::OnButtonAdd)
189 EVT_BUTTON(ODComboPage_AddSeveral, ODComboboxWidgetsPage::OnButtonAddSeveral)
190 EVT_BUTTON(ODComboPage_AddMany, ODComboboxWidgetsPage::OnButtonAddMany)
191
192 EVT_TEXT_ENTER(ODComboPage_InsertText, ODComboboxWidgetsPage::OnButtonInsert)
193 EVT_TEXT_ENTER(ODComboPage_AddText, ODComboboxWidgetsPage::OnButtonAdd)
194 EVT_TEXT_ENTER(ODComboPage_DeleteText, ODComboboxWidgetsPage::OnButtonDelete)
195
196 EVT_TEXT(ODComboPage_PopupMinWidth, ODComboboxWidgetsPage::OnTextPopupWidth)
197 EVT_TEXT(ODComboPage_PopupHeight, ODComboboxWidgetsPage::OnTextPopupHeight)
198 EVT_TEXT(ODComboPage_ButtonWidth, ODComboboxWidgetsPage::OnTextButtonAll)
199 EVT_TEXT(ODComboPage_ButtonHeight, ODComboboxWidgetsPage::OnTextButtonAll)
200 EVT_TEXT(ODComboPage_ButtonSpacing, ODComboboxWidgetsPage::OnTextButtonAll)
201
202 EVT_UPDATE_UI(ODComboPage_CurText, ODComboboxWidgetsPage::OnUpdateUICurText)
203 EVT_UPDATE_UI(ODComboPage_InsertionPointText, ODComboboxWidgetsPage::OnUpdateUIInsertionPointText)
204
205 EVT_UPDATE_UI(ODComboPage_Reset, ODComboboxWidgetsPage::OnUpdateUIResetButton)
206 EVT_UPDATE_UI(ODComboPage_Insert, ODComboboxWidgetsPage::OnUpdateUIInsert)
207 EVT_UPDATE_UI(ODComboPage_AddSeveral, ODComboboxWidgetsPage::OnUpdateUIAddSeveral)
208 EVT_UPDATE_UI(ODComboPage_Clear, ODComboboxWidgetsPage::OnUpdateUIClearButton)
209 EVT_UPDATE_UI(ODComboPage_DeleteText, ODComboboxWidgetsPage::OnUpdateUIClearButton)
210 EVT_UPDATE_UI(ODComboPage_Delete, ODComboboxWidgetsPage::OnUpdateUIDeleteButton)
211 EVT_UPDATE_UI(ODComboPage_Change, ODComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
212 EVT_UPDATE_UI(ODComboPage_ChangeText, ODComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
213 EVT_UPDATE_UI(ODComboPage_DeleteSel, ODComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
214
215 EVT_COMBOBOX(ODComboPage_Combo, ODComboboxWidgetsPage::OnComboBox)
216 EVT_TEXT(ODComboPage_Combo, ODComboboxWidgetsPage::OnComboText)
217 EVT_TEXT_ENTER(ODComboPage_Combo, ODComboboxWidgetsPage::OnComboText)
218
219 EVT_CHECKBOX(wxID_ANY, ODComboboxWidgetsPage::OnCheckOrRadioBox)
220 EVT_RADIOBOX(wxID_ANY, ODComboboxWidgetsPage::OnCheckOrRadioBox)
221 END_EVENT_TABLE()
222
223 // ============================================================================
224 // implementation
225 // ============================================================================
226
227 //
228 // wxOwnerDrawnComboBox needs to subclassed so that owner-drawing
229 // callbacks can be implemented.
230 class DemoODComboBox : public wxOwnerDrawnComboBox
231 {
232 public:
233 virtual void OnDrawItem(wxDC& dc,
234 const wxRect& rect,
235 int item,
236 int WXUNUSED(flags)) const
237 {
238 if ( item == wxNOT_FOUND )
239 return;
240
241 wxColour txtCol;
242 int mod = item % 4;
243
244 if ( mod == 0 )
245 txtCol = *wxBLACK;
246 else if ( mod == 1 )
247 txtCol = *wxRED;
248 else if ( mod == 2 )
249 txtCol = *wxGREEN;
250 else
251 txtCol = *wxBLUE;
252
253 dc.SetTextForeground(txtCol);
254
255 dc.DrawText(GetString(item),
256 rect.x + 3,
257 rect.y + ((rect.height - dc.GetCharHeight())/2)
258 );
259 }
260
261 virtual void OnDrawBackground(wxDC& dc, const wxRect& rect,
262 int item, int flags ) const
263 {
264
265 // If item is selected or even, or we are painting the
266 // combo control itself, use the default rendering.
267 if ( (flags & (wxODCB_PAINTING_CONTROL|wxODCB_PAINTING_SELECTED)) ||
268 (item & 1) == 0 )
269 {
270 wxOwnerDrawnComboBox::OnDrawBackground(dc,rect,item,flags);
271 return;
272 }
273
274 // Otherwise, draw every other background with different colour.
275 wxColour bgCol(240,240,250);
276 dc.SetBrush(wxBrush(bgCol));
277 dc.SetPen(wxPen(bgCol));
278 dc.DrawRectangle(rect);
279 }
280
281 virtual wxCoord OnMeasureItem(size_t WXUNUSED(item)) const
282 {
283 return 48;
284 }
285
286 virtual wxCoord OnMeasureItemWidth(size_t WXUNUSED(item)) const
287 {
288 return -1; // default - will be measured from text width
289 }
290 };
291
292
293 IMPLEMENT_WIDGETS_PAGE(ODComboboxWidgetsPage, _T("OwnerDrawnCombobox"),
294 GENERIC_CTRLS | WITH_ITEMS_CTRLS | COMBO_CTRLS
295 );
296
297 ODComboboxWidgetsPage::ODComboboxWidgetsPage(WidgetsBookCtrl *book,
298 wxImageList *imaglist)
299 : WidgetsPage(book, imaglist, odcombobox_xpm)
300 {
301 // init everything
302 m_chkSort =
303 m_chkReadonly =
304 m_chkDclickcycles = (wxCheckBox *)NULL;
305
306 m_combobox = (wxOwnerDrawnComboBox *)NULL;
307 m_sizerCombo = (wxSizer *)NULL;
308 }
309
310 void ODComboboxWidgetsPage::CreateContent()
311 {
312 /*
313 What we create here is a frame having 3 panes: style pane is the
314 leftmost one, in the middle the pane with buttons allowing to perform
315 miscellaneous combobox operations and the pane containing the combobox
316 itself to the right
317 */
318 wxTextCtrl *text;
319 wxSizer *sizerRow;
320
321 wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
322
323 wxSizer *sizerLeft = new wxBoxSizer(wxVERTICAL);
324
325 // left pane - style box
326 wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
327
328 wxSizer *sizerStyle = new wxStaticBoxSizer(box, wxVERTICAL);
329
330 m_chkSort = CreateCheckBoxAndAddToSizer(sizerStyle, _T("&Sort items"));
331 m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerStyle, _T("&Read only"));
332 m_chkDclickcycles = CreateCheckBoxAndAddToSizer(sizerStyle, _T("&Double-click Cycles"));
333
334 sizerStyle->AddSpacer(4);
335
336 m_chkBitmapbutton = CreateCheckBoxAndAddToSizer(sizerStyle, _T("&Bitmap button"));
337 m_chkStdbutton = CreateCheckBoxAndAddToSizer(sizerStyle, _T("B&lank button background"));
338
339 wxButton *btn = new wxButton(this, ODComboPage_Reset, _T("&Reset"));
340 sizerStyle->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 3);
341
342 sizerLeft->Add(sizerStyle, 0, wxGROW | wxALIGN_CENTRE_HORIZONTAL);
343
344 // left pane - popup adjustment box
345 box = new wxStaticBox(this, wxID_ANY, _T("Adjust &popup"));
346
347 wxSizer *sizerPopupPos = new wxStaticBoxSizer(box, wxVERTICAL);
348
349 sizerRow = CreateSizerWithTextAndLabel(_T("Min. Width:"),
350 ODComboPage_PopupMinWidth,
351 &m_textPopupMinWidth);
352 m_textPopupMinWidth->SetValue(wxT("-1"));
353 sizerPopupPos->Add(sizerRow, 0, wxALL | wxGROW, 5);
354
355 sizerRow = CreateSizerWithTextAndLabel(_T("Max. Height:"),
356 ODComboPage_PopupHeight,
357 &m_textPopupHeight);
358 m_textPopupHeight->SetValue(wxT("-1"));
359 sizerPopupPos->Add(sizerRow, 0, wxALL | wxGROW, 5);
360
361 m_chkAlignpopupright = CreateCheckBoxAndAddToSizer(sizerPopupPos, _T("Align Right"));
362
363 sizerLeft->Add(sizerPopupPos, 0, wxGROW | wxALIGN_CENTRE_HORIZONTAL | wxTOP, 2);
364
365 // left pane - button adjustment box
366 box = new wxStaticBox(this, wxID_ANY, _T("Adjust &button"));
367
368 wxSizer *sizerButtonPos = new wxStaticBoxSizer(box, wxVERTICAL);
369
370 sizerRow = CreateSizerWithTextAndLabel(_T("Width:"),
371 ODComboPage_ButtonWidth,
372 &m_textButtonWidth);
373 m_textButtonWidth->SetValue(wxT("-1"));
374 sizerButtonPos->Add(sizerRow, 0, wxALL | wxGROW, 5);
375
376 sizerRow = CreateSizerWithTextAndLabel(_T("VSpacing:"),
377 ODComboPage_ButtonSpacing,
378 &m_textButtonSpacing);
379 m_textButtonSpacing->SetValue(wxT("0"));
380 sizerButtonPos->Add(sizerRow, 0, wxALL | wxGROW, 5);
381
382 sizerRow = CreateSizerWithTextAndLabel(_T("Height:"),
383 ODComboPage_ButtonHeight,
384 &m_textButtonHeight);
385 m_textButtonHeight->SetValue(wxT("-1"));
386 sizerButtonPos->Add(sizerRow, 0, wxALL | wxGROW, 5);
387
388 m_chkAlignbutleft = CreateCheckBoxAndAddToSizer(sizerButtonPos, _T("Align Left"));
389
390 sizerLeft->Add(sizerButtonPos, 0, wxGROW | wxALIGN_CENTRE_HORIZONTAL | wxTOP, 2);
391
392 // middle pane
393 wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
394 _T("&Change combobox contents"));
395 wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
396
397 sizerRow = CreateSizerWithTextAndLabel(_T("Current selection"),
398 ODComboPage_CurText,
399 &text);
400 text->SetEditable(false);
401
402 sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
403
404 sizerRow = CreateSizerWithTextAndLabel(_T("Insertion Point"),
405 ODComboPage_InsertionPointText,
406 &text);
407 text->SetEditable(false);
408
409 sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
410
411 sizerRow = CreateSizerWithTextAndButton(ODComboPage_Insert,
412 _T("&Insert this string"),
413 ODComboPage_InsertText,
414 &m_textInsert);
415 sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
416
417 sizerRow = CreateSizerWithTextAndButton(ODComboPage_Add,
418 _T("&Add this string"),
419 ODComboPage_AddText,
420 &m_textAdd);
421 sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
422
423 btn = new wxButton(this, ODComboPage_AddSeveral, _T("&Append a few strings"));
424 sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
425
426 btn = new wxButton(this, ODComboPage_AddMany, _T("Append &many strings"));
427 sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
428
429 sizerRow = CreateSizerWithTextAndButton(ODComboPage_Change,
430 _T("C&hange current"),
431 ODComboPage_ChangeText,
432 &m_textChange);
433 sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
434
435 sizerRow = CreateSizerWithTextAndButton(ODComboPage_Delete,
436 _T("&Delete this item"),
437 ODComboPage_DeleteText,
438 &m_textDelete);
439 sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
440
441 btn = new wxButton(this, ODComboPage_DeleteSel, _T("Delete &selection"));
442 sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
443
444 btn = new wxButton(this, ODComboPage_Clear, _T("&Clear"));
445 sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
446
447 // right pane
448 wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
449 m_combobox = new DemoODComboBox();
450 m_combobox->Create(this, ODComboPage_Combo, wxEmptyString,
451 wxDefaultPosition, wxDefaultSize,
452 0, NULL,
453 0);
454 sizerRight->Add(m_combobox, 0, wxGROW | wxALL, 5);
455 sizerRight->SetMinSize(150, 0);
456 m_sizerCombo = sizerRight; // save it to modify it later
457
458 // the 3 panes panes compose the window
459 sizerTop->Add(sizerLeft, 4, wxGROW | (wxALL & ~wxLEFT), 10);
460 sizerTop->Add(sizerMiddle, 5, wxGROW | wxALL, 10);
461 sizerTop->Add(sizerRight, 4, wxGROW | (wxALL & ~wxRIGHT), 10);
462
463 // final initializations
464 Reset();
465
466 SetSizer(sizerTop);
467 }
468
469 // ----------------------------------------------------------------------------
470 // operations
471 // ----------------------------------------------------------------------------
472
473 void ODComboboxWidgetsPage::Reset()
474 {
475 m_chkSort->SetValue(false);
476 m_chkReadonly->SetValue(false);
477 m_chkDclickcycles->SetValue(false);
478 m_chkDclickcycles->Enable(false);
479 m_chkBitmapbutton->SetValue(false);
480 m_chkStdbutton->SetValue(false);
481 m_chkStdbutton->Enable(false);
482 }
483
484 void ODComboboxWidgetsPage::CreateCombo()
485 {
486 int flags = ms_defaultFlags;
487
488 if ( m_chkSort->GetValue() )
489 flags |= wxCB_SORT;
490 if ( m_chkReadonly->GetValue() )
491 flags |= wxCB_READONLY;
492 if ( m_chkDclickcycles->GetValue() )
493 flags |= wxODCB_DCLICK_CYCLES;
494
495 wxArrayString items;
496 if ( m_combobox )
497 {
498 unsigned int count = m_combobox->GetCount();
499 for ( unsigned int n = 0; n < count; n++ )
500 {
501 items.Add(m_combobox->GetString(n));
502 }
503
504 m_sizerCombo->Detach( m_combobox );
505 delete m_combobox;
506 }
507
508 m_combobox = new DemoODComboBox();
509 m_combobox->Create(this, ODComboPage_Combo, wxEmptyString,
510 wxDefaultPosition, wxDefaultSize,
511 0, NULL,
512 flags);
513
514 unsigned int count = items.GetCount();
515 for ( unsigned int n = 0; n < count; n++ )
516 {
517 m_combobox->Append(items[n]);
518 }
519
520 // Update from controls that edit popup position etc.
521
522 wxUpdateUIEvent tempEvt;
523 OnTextPopupWidth(tempEvt);
524 OnTextPopupHeight(tempEvt);
525 GetButtonPosition();
526
527 m_combobox->SetPopupAnchor( m_chkAlignpopupright->GetValue() ? wxRIGHT : wxLEFT );
528
529 if ( m_chkBitmapbutton->GetValue() )
530 {
531 wxBitmap bmpNormal = CreateBitmap(wxColour(0,0,255));
532 wxBitmap bmpPressed = CreateBitmap(wxColour(0,0,128));
533 wxBitmap bmpHover = CreateBitmap(wxColour(128,128,255));
534 m_combobox->SetButtonBitmaps(bmpNormal,m_chkStdbutton->GetValue(),bmpPressed,bmpHover);
535 }
536
537 m_sizerCombo->Add(m_combobox, 0, wxGROW | wxALL, 5);
538 m_sizerCombo->Layout();
539 }
540
541 // ----------------------------------------------------------------------------
542 // event handlers
543 // ----------------------------------------------------------------------------
544
545 void ODComboboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
546 {
547 Reset();
548
549 CreateCombo();
550 }
551
552 void ODComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
553 {
554 int sel = m_combobox->GetSelection();
555 if ( sel != wxNOT_FOUND )
556 {
557 #ifndef __WXGTK__
558 m_combobox->SetString(sel, m_textChange->GetValue());
559 #else
560 wxLogMessage(_T("Not implemented in wxGTK"));
561 #endif
562 }
563 }
564
565 void ODComboboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
566 {
567 unsigned long n;
568 if ( !m_textDelete->GetValue().ToULong(&n) ||
569 (n >= m_combobox->GetCount()) )
570 {
571 return;
572 }
573
574 m_combobox->Delete(n);
575 }
576
577 void ODComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
578 {
579 int sel = m_combobox->GetSelection();
580 if ( sel != wxNOT_FOUND )
581 {
582 m_combobox->Delete(sel);
583 }
584 }
585
586 void ODComboboxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
587 {
588 m_combobox->Clear();
589 }
590
591 void ODComboboxWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
592 {
593 static unsigned int s_item = 0;
594
595 wxString s = m_textInsert->GetValue();
596 if ( !m_textInsert->IsModified() )
597 {
598 // update the default string
599 m_textInsert->SetValue(wxString::Format(_T("test item %u"), ++s_item));
600 }
601
602 if (m_combobox->GetSelection() >= 0)
603 m_combobox->Insert(s, m_combobox->GetSelection());
604 }
605
606 void ODComboboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
607 {
608 static unsigned int s_item = 0;
609
610 wxString s = m_textAdd->GetValue();
611 if ( !m_textAdd->IsModified() )
612 {
613 // update the default string
614 m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
615 }
616
617 m_combobox->Append(s);
618 }
619
620 void ODComboboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
621 {
622 // "many" means 1000 here
623 for ( unsigned int n = 0; n < 1000; n++ )
624 {
625 m_combobox->Append(wxString::Format(_T("item #%u"), n));
626 }
627 }
628
629 void ODComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
630 {
631 m_combobox->Append(_T("First"));
632 m_combobox->Append(_T("another one"));
633 m_combobox->Append(_T("and the last (very very very very very very very very very very long) one"));
634 }
635
636 void ODComboboxWidgetsPage::OnTextPopupWidth(wxCommandEvent& WXUNUSED(event))
637 {
638 long l = 0;
639
640 m_textPopupMinWidth->GetValue().ToLong(&l);
641
642 if (m_combobox && l > 0)
643 {
644 m_combobox->SetPopupMinWidth(l);
645 }
646 }
647
648 void ODComboboxWidgetsPage::OnTextPopupHeight(wxCommandEvent& WXUNUSED(event))
649 {
650 long l = 0;
651
652 m_textPopupHeight->GetValue().ToLong(&l);
653
654 if (m_combobox && l > 0)
655 {
656 m_combobox->SetPopupMaxHeight(l);
657 }
658 }
659
660 void ODComboboxWidgetsPage::GetButtonPosition()
661 {
662 long w = -1;
663 long h = -1;
664 long spacing = 0;
665
666 m_textButtonWidth->GetValue().ToLong(&w);
667 m_textButtonSpacing->GetValue().ToLong(&spacing);
668 m_textButtonHeight->GetValue().ToLong(&h);
669 int align = m_chkAlignbutleft->GetValue() ?
670 wxLEFT : wxRIGHT;
671
672 m_combobox->SetButtonPosition(w,h,align,spacing);
673 }
674
675 void ODComboboxWidgetsPage::OnTextButtonAll(wxCommandEvent& WXUNUSED(event))
676 {
677 if (m_combobox)
678 {
679 if ( m_chkBitmapbutton->GetValue() )
680 CreateCombo();
681 else
682 GetButtonPosition();
683 }
684 }
685
686 void ODComboboxWidgetsPage::OnUpdateUICurText(wxUpdateUIEvent& event)
687 {
688 if (m_combobox)
689 event.SetText( wxString::Format(_T("%d"), m_combobox->GetSelection()) );
690 }
691
692 void ODComboboxWidgetsPage::OnUpdateUIInsertionPointText(wxUpdateUIEvent& event)
693 {
694 if (m_combobox)
695 event.SetText( wxString::Format(_T("%ld"), m_combobox->GetInsertionPoint()) );
696 }
697
698 void ODComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
699 {
700 if (m_combobox)
701 event.Enable( m_chkSort->GetValue() || m_chkReadonly->GetValue() ||
702 m_chkBitmapbutton->GetValue() );
703 }
704
705 void ODComboboxWidgetsPage::OnUpdateUIInsert(wxUpdateUIEvent& event)
706 {
707 if (m_combobox)
708 {
709 bool enable = !(m_combobox->GetWindowStyle() & wxCB_SORT) &&
710 (m_combobox->GetSelection() >= 0);
711
712 event.Enable(enable);
713 }
714 }
715
716 void ODComboboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
717 {
718 if (m_combobox)
719 {
720 unsigned long n;
721 event.Enable(m_textDelete->GetValue().ToULong(&n) &&
722 (n < (unsigned)m_combobox->GetCount()));
723 }
724 }
725
726 void ODComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
727 {
728 if (m_combobox)
729 event.Enable(m_combobox->GetSelection() != wxNOT_FOUND);
730 }
731
732 void ODComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
733 {
734 if (m_combobox)
735 event.Enable(m_combobox->GetCount() != 0);
736 }
737
738 void ODComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
739 {
740 if (m_combobox)
741 event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
742 }
743
744 void ODComboboxWidgetsPage::OnComboText(wxCommandEvent& event)
745 {
746 if (!m_combobox)
747 return;
748
749 wxString s = event.GetString();
750
751 wxASSERT_MSG( s == m_combobox->GetValue(),
752 _T("event and combobox values should be the same") );
753
754 if (event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER)
755 wxLogMessage(_T("OwnerDrawnCombobox enter pressed (now '%s')"), s.c_str());
756 else
757 wxLogMessage(_T("OwnerDrawnCombobox text changed (now '%s')"), s.c_str());
758 }
759
760 void ODComboboxWidgetsPage::OnComboBox(wxCommandEvent& event)
761 {
762 long sel = event.GetInt();
763 m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
764
765 wxLogMessage(_T("OwnerDrawnCombobox item %ld selected"), sel);
766
767 wxLogMessage(_T("OwnerDrawnCombobox GetValue(): %s"), m_combobox->GetValue().c_str() );
768 }
769
770 void ODComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
771 {
772 wxObject* ctrl = event.GetEventObject();
773
774 // Double-click cycles only applies to read-only combobox
775 if ( ctrl == (wxObject*) m_chkReadonly )
776 {
777 m_chkDclickcycles->Enable( m_chkReadonly->GetValue() );
778 }
779 else if ( ctrl == (wxObject*) m_chkBitmapbutton )
780 {
781 m_chkStdbutton->Enable( m_chkBitmapbutton->GetValue() );
782 }
783 else if ( ctrl == (wxObject*) m_chkAlignbutleft )
784 {
785 wxUpdateUIEvent tempEvt;
786 OnTextButtonAll(tempEvt);
787 }
788
789 CreateCombo();
790 }
791
792 wxBitmap ODComboboxWidgetsPage::CreateBitmap(const wxColour& colour)
793 {
794 int ch = m_combobox->GetClientSize().y - 1;
795 int h0 = ch - 5;
796
797 long w = -1;
798 long h = -1;
799
800 m_textButtonWidth->GetValue().ToLong(&w);
801 m_textButtonHeight->GetValue().ToLong(&h);
802
803 if ( w <= 0 )
804 w = h0 - 1;
805 if ( h <= 0 )
806 h = h0;
807 if ( h > ch )
808 h = ch;
809
810 wxMemoryDC dc;
811 wxBitmap bmp(w,h);
812 dc.SelectObject(bmp);
813
814 // Draw transparent background
815 wxColour magic(255,0,255);
816 wxBrush magicBrush(magic);
817 dc.SetBrush(magicBrush);
818 dc.SetPen(*wxTRANSPARENT_PEN);
819 dc.DrawRectangle(0,0,bmp.GetWidth(),bmp.GetHeight());
820
821 // Draw image content
822 dc.SetBrush(wxBrush(colour));
823 dc.DrawCircle(h/2,h/2+1,(h/2));
824
825 dc.SelectObject(wxNullBitmap);
826
827 // Finalize transparency with a mask
828 wxMask *mask = new wxMask(bmp, magic);
829 bmp.SetMask(mask);
830
831 return bmp;
832 }
833
834 #endif //wxUSE_ODCOMBOBOX