1/////////////////////////////////////////////////////////////////////////////
2// Program:     wxWidgets Widgets Sample
3// Name:        radiobox.cpp
4// Purpose:     Part of the widgets sample showing wxRadioBox
5// Author:      Vadim Zeitlin
6// Created:     15.04.01
7// Id:          $Id: radiobox.cpp 43755 2006-12-03 13:43:44Z VZ $
8// Copyright:   (c) 2001 Vadim Zeitlin
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_RADIOBOX
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/radiobox.h"
37    #include "wx/statbox.h"
38    #include "wx/textctrl.h"
39#endif
40
41#include "wx/sizer.h"
42
43#include "widgets.h"
44
45#include "icons/radiobox.xpm"
46
47// ----------------------------------------------------------------------------
48// constants
49// ----------------------------------------------------------------------------
50
51// control ids
52enum
53{
54    RadioPage_Reset = wxID_HIGHEST,
55    RadioPage_Update,
56    RadioPage_Selection,
57    RadioPage_Label,
58    RadioPage_LabelBtn,
59    RadioPage_EnableItem,
60    RadioPage_ShowItem,
61    RadioPage_Radio
62};
63
64// layout direction radiobox selections
65enum
66{
67    RadioDir_Default,
68    RadioDir_LtoR,
69    RadioDir_TtoB
70};
71
72// default values for the number of radiobox items
73static const unsigned int DEFAULT_NUM_ENTRIES = 12;
74static const unsigned int DEFAULT_MAJOR_DIM = 3;
75
76// this item is enabled/disabled shown/hidden by the test checkboxes
77static const int TEST_BUTTON = 1;
78
79// ----------------------------------------------------------------------------
80// RadioWidgetsPage
81// ----------------------------------------------------------------------------
82
83class RadioWidgetsPage : public WidgetsPage
84{
85public:
86    RadioWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
87    virtual ~RadioWidgetsPage(){};
88
89    virtual wxControl *GetWidget() const { return m_radio; }
90    virtual void RecreateWidget() { CreateRadio(); }
91
92    // lazy creation of the content
93    virtual void CreateContent();
94
95protected:
96    // event handlers
97    void OnCheckOrRadioBox(wxCommandEvent& event);
98    void OnRadioBox(wxCommandEvent& event);
99
100    void OnButtonReset(wxCommandEvent& event);
101    void OnButtonRecreate(wxCommandEvent& event);
102
103    void OnButtonSelection(wxCommandEvent& event);
104    void OnButtonSetLabel(wxCommandEvent& event);
105
106    void OnEnableItem(wxCommandEvent& event);
107    void OnShowItem(wxCommandEvent& event);
108
109    void OnUpdateUIReset(wxUpdateUIEvent& event);
110    void OnUpdateUIUpdate(wxUpdateUIEvent& event);
111    void OnUpdateUISelection(wxUpdateUIEvent& event);
112    void OnUpdateUIEnableItem(wxUpdateUIEvent& event);
113    void OnUpdateUIShowItem(wxUpdateUIEvent& event);
114
115    // reset the wxRadioBox parameters
116    void Reset();
117
118    // (re)create the wxRadioBox
119    void CreateRadio();
120
121    // the controls
122    // ------------
123
124    // the check/radio boxes for styles
125    wxCheckBox *m_chkVert;
126    wxCheckBox *m_chkEnableItem;
127    wxCheckBox *m_chkShowItem;
128    wxRadioBox *m_radioDir;
129
130    // the gauge itself and the sizer it is in
131    wxRadioBox *m_radio;
132    wxSizer *m_sizerRadio;
133
134    // the text entries for command parameters
135    wxTextCtrl *m_textNumBtns,
136               *m_textMajorDim,
137               *m_textCurSel,
138               *m_textSel,
139               *m_textLabel,
140               *m_textLabelBtns;
141
142private:
143    DECLARE_EVENT_TABLE()
144    DECLARE_WIDGETS_PAGE(RadioWidgetsPage)
145};
146
147// ----------------------------------------------------------------------------
148// event tables
149// ----------------------------------------------------------------------------
150
151BEGIN_EVENT_TABLE(RadioWidgetsPage, WidgetsPage)
152    EVT_BUTTON(RadioPage_Reset, RadioWidgetsPage::OnButtonReset)
153
154    EVT_BUTTON(RadioPage_Update, RadioWidgetsPage::OnButtonRecreate)
155    EVT_BUTTON(RadioPage_LabelBtn, RadioWidgetsPage::OnButtonRecreate)
156
157    EVT_BUTTON(RadioPage_Selection, RadioWidgetsPage::OnButtonSelection)
158    EVT_BUTTON(RadioPage_Label, RadioWidgetsPage::OnButtonSetLabel)
159
160    EVT_UPDATE_UI(RadioPage_Update, RadioWidgetsPage::OnUpdateUIUpdate)
161    EVT_UPDATE_UI(RadioPage_Selection, RadioWidgetsPage::OnUpdateUISelection)
162
163    EVT_RADIOBOX(RadioPage_Radio, RadioWidgetsPage::OnRadioBox)
164
165    EVT_CHECKBOX(RadioPage_EnableItem, RadioWidgetsPage::OnEnableItem)
166    EVT_CHECKBOX(RadioPage_ShowItem, RadioWidgetsPage::OnShowItem)
167
168    EVT_UPDATE_UI(RadioPage_EnableItem, RadioWidgetsPage::OnUpdateUIEnableItem)
169    EVT_UPDATE_UI(RadioPage_ShowItem, RadioWidgetsPage::OnUpdateUIShowItem)
170
171    EVT_CHECKBOX(wxID_ANY, RadioWidgetsPage::OnCheckOrRadioBox)
172    EVT_RADIOBOX(wxID_ANY, RadioWidgetsPage::OnCheckOrRadioBox)
173END_EVENT_TABLE()
174
175// ============================================================================
176// implementation
177// ============================================================================
178
179#if defined(__WXUNIVERSAL__)
180    #define FAMILY_CTRLS UNIVERSAL_CTRLS
181#else
182    #define FAMILY_CTRLS NATIVE_CTRLS
183#endif
184
185IMPLEMENT_WIDGETS_PAGE(RadioWidgetsPage, _T("Radio"),
186                       FAMILY_CTRLS | WITH_ITEMS_CTRLS
187                       );
188
189RadioWidgetsPage::RadioWidgetsPage(WidgetsBookCtrl *book,
190                                   wxImageList *imaglist)
191                  : WidgetsPage(book, imaglist, radio_xpm)
192{
193    // init everything
194    m_chkVert = (wxCheckBox *)NULL;
195    m_chkEnableItem = (wxCheckBox *)NULL;
196    m_chkShowItem = (wxCheckBox *)NULL;
197
198    m_textNumBtns =
199    m_textLabelBtns =
200    m_textLabel = (wxTextCtrl *)NULL;
201
202    m_radio =
203    m_radioDir = (wxRadioBox *)NULL;
204    m_sizerRadio = (wxSizer *)NULL;
205}
206
207void RadioWidgetsPage::CreateContent()
208{
209    wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
210
211    // left pane
212    wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
213
214    wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
215
216    m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical layout"));
217
218    static const wxString layoutDir[] =
219    {
220        _T("default"),
221        _T("left to right"),
222        _T("top to bottom")
223    };
224
225    m_radioDir = new wxRadioBox(this, wxID_ANY, _T("Numbering:"),
226                                wxDefaultPosition, wxDefaultSize,
227                                WXSIZEOF(layoutDir), layoutDir,
228                                1, wxRA_SPECIFY_COLS);
229    sizerLeft->Add(m_radioDir, 0, wxGROW | wxALL, 5);
230
231    // if it's not defined, we can't change the radiobox direction
232#ifndef wxRA_LEFTTORIGHT
233    m_radioDir->Disable();
234#endif // wxRA_LEFTTORIGHT
235
236    wxSizer *sizerRow;
237    sizerRow = CreateSizerWithTextAndLabel(_T("&Major dimension:"),
238                                           wxID_ANY,
239                                           &m_textMajorDim);
240    sizerLeft->Add(sizerRow, 0, wxGROW | wxALL, 5);
241
242    sizerRow = CreateSizerWithTextAndLabel(_T("&Number of buttons:"),
243                                           wxID_ANY,
244                                           &m_textNumBtns);
245    sizerLeft->Add(sizerRow, 0, wxGROW | wxALL, 5);
246
247    wxButton *btn;
248    btn = new wxButton(this, RadioPage_Update, _T("&Update"));
249    sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 5);
250
251    sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
252
253    btn = new wxButton(this, RadioPage_Reset, _T("&Reset"));
254    sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
255
256    // middle pane
257    wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, _T("&Change parameters"));
258    wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
259
260    sizerRow = CreateSizerWithTextAndLabel(_T("Current selection:"),
261                                           wxID_ANY,
262                                           &m_textCurSel);
263    sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5);
264
265    sizerRow = CreateSizerWithTextAndButton(RadioPage_Selection,
266                                            _T("&Change selection:"),
267                                           wxID_ANY,
268                                           &m_textSel);
269    sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5);
270
271    sizerRow = CreateSizerWithTextAndButton(RadioPage_Label,
272                                            _T("&Label for box:"),
273                                            wxID_ANY,
274                                            &m_textLabel);
275    sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5);
276
277    sizerRow = CreateSizerWithTextAndButton(RadioPage_LabelBtn,
278                                            _T("&Label for buttons:"),
279                                            wxID_ANY,
280                                            &m_textLabelBtns);
281    sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5);
282
283    m_chkEnableItem = CreateCheckBoxAndAddToSizer(sizerMiddle,
284                                                  _T("Disable &2nd item"),
285                                                  RadioPage_EnableItem);
286    m_chkShowItem = CreateCheckBoxAndAddToSizer(sizerMiddle,
287                                                _T("Hide 2nd &item"),
288                                                RadioPage_ShowItem);
289
290    // right pane
291    wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
292    sizerRight->SetMinSize(150, 0);
293    m_sizerRadio = sizerRight; // save it to modify it later
294
295    Reset();
296    CreateRadio();
297
298    // the 3 panes panes compose the window
299    sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
300    sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
301    sizerTop->Add(sizerRight, 0, wxGROW | (wxALL & ~wxRIGHT), 10);
302
303    // final initializations
304    SetSizer(sizerTop);
305}
306
307// ----------------------------------------------------------------------------
308// operations
309// ----------------------------------------------------------------------------
310
311void RadioWidgetsPage::Reset()
312{
313    m_textMajorDim->SetValue(wxString::Format(_T("%u"), DEFAULT_MAJOR_DIM));
314    m_textNumBtns->SetValue(wxString::Format(_T("%u"), DEFAULT_NUM_ENTRIES));
315    m_textLabel->SetValue(_T("I'm a radiobox"));
316    m_textLabelBtns->SetValue(_T("item"));
317
318    m_chkVert->SetValue(false);
319    m_chkEnableItem->SetValue(true);
320    m_chkShowItem->SetValue(true);
321    m_radioDir->SetSelection(RadioDir_Default);
322}
323
324void RadioWidgetsPage::CreateRadio()
325{
326    int sel;
327    if ( m_radio )
328    {
329        sel = m_radio->GetSelection();
330
331        m_sizerRadio->Detach( m_radio );
332
333        delete m_radio;
334    }
335    else // first time creation, no old selection to preserve
336    {
337        sel = -1;
338    }
339
340    unsigned long count;
341    if ( !m_textNumBtns->GetValue().ToULong(&count) )
342    {
343        wxLogWarning(_T("Should have a valid number for number of items."));
344
345        // fall back to default
346        count = DEFAULT_NUM_ENTRIES;
347    }
348
349    unsigned long majorDim;
350    if ( !m_textMajorDim->GetValue().ToULong(&majorDim) )
351    {
352        wxLogWarning(_T("Should have a valid major dimension number."));
353
354        // fall back to default
355        majorDim = DEFAULT_MAJOR_DIM;
356    }
357
358    wxString *items = new wxString[count];
359
360    wxString labelBtn = m_textLabelBtns->GetValue();
361    for ( size_t n = 0; n < count; n++ )
362    {
363        items[n] = wxString::Format(_T("%s %lu"),
364                                    labelBtn.c_str(), (unsigned long)n + 1);
365    }
366
367    int flags = m_chkVert->GetValue() ? wxRA_VERTICAL
368                                      : wxRA_HORIZONTAL;
369
370    flags |= ms_defaultFlags;
371
372#ifdef wxRA_LEFTTORIGHT
373    switch ( m_radioDir->GetSelection() )
374    {
375        default:
376            wxFAIL_MSG( _T("unexpected wxRadioBox layout direction") );
377            // fall through
378
379        case RadioDir_Default:
380            break;
381
382        case RadioDir_LtoR:
383            flags |= wxRA_LEFTTORIGHT;
384            break;
385
386        case RadioDir_TtoB:
387            flags |= wxRA_TOPTOBOTTOM;
388            break;
389    }
390#endif // wxRA_LEFTTORIGHT
391
392    m_radio = new wxRadioBox(this, RadioPage_Radio,
393                             m_textLabel->GetValue(),
394                             wxDefaultPosition, wxDefaultSize,
395                             count, items,
396                             majorDim,
397                             flags);
398
399    delete [] items;
400
401    if ( sel >= 0 && (size_t)sel < count )
402    {
403        m_radio->SetSelection(sel);
404    }
405
406    m_sizerRadio->Add(m_radio, 1, wxGROW);
407    m_sizerRadio->Layout();
408
409    m_chkEnableItem->SetValue(true);
410    m_chkEnableItem->SetValue(true);
411}
412
413// ----------------------------------------------------------------------------
414// event handlers
415// ----------------------------------------------------------------------------
416
417void RadioWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
418{
419    Reset();
420
421    CreateRadio();
422}
423
424void RadioWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
425{
426    CreateRadio();
427}
428
429void RadioWidgetsPage::OnRadioBox(wxCommandEvent& event)
430{
431    int sel = m_radio->GetSelection();
432    int event_sel = event.GetSelection();
433    wxUnusedVar(event_sel);
434
435    wxLogMessage(_T("Radiobox selection changed, now %d"), sel);
436
437    wxASSERT_MSG( sel == event_sel,
438                  _T("selection should be the same in event and radiobox") );
439
440    m_textCurSel->SetValue(wxString::Format(_T("%d"), sel));
441}
442
443void RadioWidgetsPage::OnButtonRecreate(wxCommandEvent& WXUNUSED(event))
444{
445    CreateRadio();
446}
447
448void RadioWidgetsPage::OnButtonSetLabel(wxCommandEvent& WXUNUSED(event))
449{
450    m_radio->wxControl::SetLabel(m_textLabel->GetValue());
451}
452
453void RadioWidgetsPage::OnButtonSelection(wxCommandEvent& WXUNUSED(event))
454{
455    unsigned long sel;
456    if ( !m_textSel->GetValue().ToULong(&sel) ||
457            (sel >= (size_t)m_radio->GetCount()) )
458    {
459        wxLogWarning(_T("Invalid number specified as new selection."));
460    }
461    else
462    {
463        m_radio->SetSelection(sel);
464    }
465}
466
467void RadioWidgetsPage::OnEnableItem(wxCommandEvent& event)
468{
469    m_radio->Enable(TEST_BUTTON, event.IsChecked());
470}
471
472void RadioWidgetsPage::OnShowItem(wxCommandEvent& event)
473{
474    m_radio->Show(TEST_BUTTON, event.IsChecked());
475}
476
477void RadioWidgetsPage::OnUpdateUIUpdate(wxUpdateUIEvent& event)
478{
479    unsigned long n;
480    event.Enable( m_textNumBtns->GetValue().ToULong(&n) &&
481                  m_textMajorDim->GetValue().ToULong(&n) );
482}
483
484void RadioWidgetsPage::OnUpdateUISelection(wxUpdateUIEvent& event)
485{
486    unsigned long n;
487    event.Enable( m_textSel->GetValue().ToULong(&n) &&
488                   (n < (size_t)m_radio->GetCount()) );
489}
490
491void RadioWidgetsPage::OnUpdateUIReset(wxUpdateUIEvent& event)
492{
493    // only enable it if something is not set to default
494    bool enable = m_chkVert->GetValue();
495
496    if ( !enable )
497    {
498        unsigned long numEntries;
499
500        enable = !m_textNumBtns->GetValue().ToULong(&numEntries) ||
501                    numEntries != DEFAULT_NUM_ENTRIES;
502
503        if ( !enable )
504        {
505            unsigned long majorDim;
506
507            enable = !m_textMajorDim->GetValue().ToULong(&majorDim) ||
508                        majorDim != DEFAULT_MAJOR_DIM;
509        }
510    }
511
512    event.Enable(enable);
513}
514
515void RadioWidgetsPage::OnUpdateUIEnableItem(wxUpdateUIEvent& event)
516{
517    event.SetText(m_radio->IsItemEnabled(TEST_BUTTON) ? _T("Disable &2nd item")
518                                                      : _T("Enable &2nd item"));
519}
520
521void RadioWidgetsPage::OnUpdateUIShowItem(wxUpdateUIEvent& event)
522{
523    event.SetText(m_radio->IsItemShown(TEST_BUTTON) ? _T("Hide 2nd &item")
524                                                    : _T("Show 2nd &item"));
525}
526
527#endif // wxUSE_RADIOBOX
528