samples/widgets/spinbtn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        spinbtn.cpp
   4 // Purpose:     Part of the widgets sample showing wxSpinButton
   5 // Author:      Vadim Zeitlin
   6 // Created:     16.04.01
   7 // Id:          $Id$
   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_SPINBTN
  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/spinbutt.h"
  42 #include "wx/spinctrl.h"
  43
  44 #include "wx/sizer.h"
  45
  46 #include "widgets.h"
  47
  48 #include "icons/spinbtn.xpm"
  49
  50 // ----------------------------------------------------------------------------
  51 // constants
  52 // ----------------------------------------------------------------------------
  53
  54 // control ids
  55 enum
  56 {
  57     SpinBtnPage_Reset = wxID_HIGHEST,
  58     SpinBtnPage_Clear,
  59     SpinBtnPage_SetValue,
  60     SpinBtnPage_SetMinAndMax,
  61     SpinBtnPage_CurValueText,
  62     SpinBtnPage_ValueText,
  63     SpinBtnPage_MinText,
  64     SpinBtnPage_MaxText,
  65     SpinBtnPage_SpinBtn,
  66     SpinBtnPage_SpinCtrl,
  67     SpinBtnPage_SpinCtrlDouble
  68 };
  69
  70 // ----------------------------------------------------------------------------
  71 // SpinBtnWidgetsPage
  72 // ----------------------------------------------------------------------------
  73
  74 class SpinBtnWidgetsPage : public WidgetsPage
  75 {
  76 public:
  77     SpinBtnWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  78     virtual ~SpinBtnWidgetsPage(){};
  79
  80     virtual wxControl *GetWidget() const { return m_spinbtn; }
  81     virtual wxControl *GetWidget2() const { return m_spinctrl; }
  82     virtual wxControl *GetWidget3() const { return m_spinctrldbl; }
  83     virtual void RecreateWidget() { CreateSpin(); }
  84
  85     // lazy creation of the content
  86     virtual void CreateContent();
  87
  88 protected:
  89     // event handlers
  90     void OnButtonReset(wxCommandEvent& event);
  91     void OnButtonClear(wxCommandEvent& event);
  92     void OnButtonSetValue(wxCommandEvent& event);
  93     void OnButtonSetMinAndMax(wxCommandEvent& event);
  94
  95     void OnCheckOrRadioBox(wxCommandEvent& event);
  96
  97     void OnSpinBtn(wxSpinEvent& event);
  98     void OnSpinBtnUp(wxSpinEvent& event);
  99     void OnSpinBtnDown(wxSpinEvent& event);
 100     void OnSpinCtrl(wxSpinEvent& event);
 101     void OnSpinCtrlDouble(wxSpinDoubleEvent& event);
 102     void OnSpinText(wxCommandEvent& event);
 103     void OnSpinTextEnter(wxCommandEvent& event);
 104
 105     void OnUpdateUIValueButton(wxUpdateUIEvent& event);
 106     void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event);
 107
 108     void OnUpdateUIResetButton(wxUpdateUIEvent& event);
 109
 110     void OnUpdateUICurValueText(wxUpdateUIEvent& event);
 111
 112     // reset the spinbtn parameters
 113     void Reset();
 114
 115     // (re)create the spinbtn
 116     void CreateSpin();
 117
 118     // is this spinbtn value in range?
 119     bool IsValidValue(int val) const
 120         { return (val >= m_min) && (val <= m_max); }
 121
 122     // the spinbtn range
 123     int m_min, m_max;
 124
 125     // the controls
 126     // ------------
 127
 128     // the check/radio boxes for styles
 129     wxCheckBox *m_chkVert,
 130                *m_chkWrap;
 131
 132     // the spinbtn and the spinctrl and the sizer containing them
 133     wxSpinButton *m_spinbtn;
 134     wxSpinCtrl *m_spinctrl;
 135     wxSpinCtrlDouble *m_spinctrldbl;
 136
 137     wxSizer *m_sizerSpin;
 138
 139     // the text entries for set value/range
 140     wxTextCtrl *m_textValue,
 141                *m_textMin,
 142                *m_textMax;
 143
 144 private:
 145     DECLARE_EVENT_TABLE()
 146     DECLARE_WIDGETS_PAGE(SpinBtnWidgetsPage)
 147 };
 148
 149 // ----------------------------------------------------------------------------
 150 // event tables
 151 // ----------------------------------------------------------------------------
 152
 153 BEGIN_EVENT_TABLE(SpinBtnWidgetsPage, WidgetsPage)
 154     EVT_BUTTON(SpinBtnPage_Reset, SpinBtnWidgetsPage::OnButtonReset)
 155     EVT_BUTTON(SpinBtnPage_SetValue, SpinBtnWidgetsPage::OnButtonSetValue)
 156     EVT_BUTTON(SpinBtnPage_SetMinAndMax, SpinBtnWidgetsPage::OnButtonSetMinAndMax)
 157
 158     EVT_UPDATE_UI(SpinBtnPage_SetValue, SpinBtnWidgetsPage::OnUpdateUIValueButton)
 159     EVT_UPDATE_UI(SpinBtnPage_SetMinAndMax, SpinBtnWidgetsPage::OnUpdateUIMinMaxButton)
 160
 161     EVT_UPDATE_UI(SpinBtnPage_Reset, SpinBtnWidgetsPage::OnUpdateUIResetButton)
 162
 163     EVT_UPDATE_UI(SpinBtnPage_CurValueText, SpinBtnWidgetsPage::OnUpdateUICurValueText)
 164
 165     EVT_SPIN(SpinBtnPage_SpinBtn, SpinBtnWidgetsPage::OnSpinBtn)
 166     EVT_SPIN_UP(SpinBtnPage_SpinBtn, SpinBtnWidgetsPage::OnSpinBtnUp)
 167     EVT_SPIN_DOWN(SpinBtnPage_SpinBtn, SpinBtnWidgetsPage::OnSpinBtnDown)
 168     EVT_SPINCTRL(SpinBtnPage_SpinCtrl, SpinBtnWidgetsPage::OnSpinCtrl)
 169     EVT_SPINCTRLDOUBLE(SpinBtnPage_SpinCtrlDouble, SpinBtnWidgetsPage::OnSpinCtrlDouble)
 170     EVT_TEXT(SpinBtnPage_SpinCtrl, SpinBtnWidgetsPage::OnSpinText)
 171     EVT_TEXT_ENTER(SpinBtnPage_SpinCtrl, SpinBtnWidgetsPage::OnSpinTextEnter)
 172     EVT_TEXT(SpinBtnPage_SpinCtrlDouble, SpinBtnWidgetsPage::OnSpinText)
 173
 174     EVT_CHECKBOX(wxID_ANY, SpinBtnWidgetsPage::OnCheckOrRadioBox)
 175     EVT_RADIOBOX(wxID_ANY, SpinBtnWidgetsPage::OnCheckOrRadioBox)
 176 END_EVENT_TABLE()
 177
 178 // ============================================================================
 179 // implementation
 180 // ============================================================================
 181
 182 #if defined(__WXUNIVERSAL__)
 183     #define FAMILY_CTRLS UNIVERSAL_CTRLS
 184 #else
 185     #define FAMILY_CTRLS NATIVE_CTRLS
 186 #endif
 187
 188 IMPLEMENT_WIDGETS_PAGE(SpinBtnWidgetsPage, _T("Spin"),
 189                        FAMILY_CTRLS | EDITABLE_CTRLS
 190                        );
 191
 192 SpinBtnWidgetsPage::SpinBtnWidgetsPage(WidgetsBookCtrl *book,
 193                                        wxImageList *imaglist)
 194                   : WidgetsPage(book, imaglist, spinbtn_xpm)
 195 {
 196     m_chkVert = NULL;
 197     m_chkWrap = NULL;
 198     m_spinbtn = NULL;
 199     m_spinctrl = NULL;
 200     m_spinctrldbl = NULL;
 201     m_textValue = NULL;
 202     m_textMin = NULL;
 203     m_textMax = NULL;
 204
 205     // init everything
 206     m_min = 0;
 207     m_max = 10;
 208
 209     m_chkVert =
 210     m_chkWrap = (wxCheckBox *)NULL;
 211
 212     m_spinbtn = (wxSpinButton *)NULL;
 213     m_sizerSpin = (wxSizer *)NULL;
 214 }
 215
 216 void SpinBtnWidgetsPage::CreateContent()
 217 {
 218     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 219
 220     // left pane
 221     wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
 222     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 223
 224     m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical"));
 225     m_chkWrap = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Wrap"));
 226
 227     sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
 228
 229     wxButton *btn = new wxButton(this, SpinBtnPage_Reset, _T("&Reset"));
 230     sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 231
 232     // middle pane
 233     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
 234         _T("&Change spinbtn value"));
 235
 236     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
 237
 238     wxTextCtrl *text;
 239     wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"),
 240                                                     SpinBtnPage_CurValueText,
 241                                                     &text);
 242     text->SetEditable(false);
 243
 244     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 245
 246     sizerRow = CreateSizerWithTextAndButton(SpinBtnPage_SetValue,
 247                                             _T("Set &value"),
 248                                             SpinBtnPage_ValueText,
 249                                             &m_textValue);
 250     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 251
 252     sizerRow = CreateSizerWithTextAndButton(SpinBtnPage_SetMinAndMax,
 253                                             _T("&Min and max"),
 254                                             SpinBtnPage_MinText,
 255                                             &m_textMin);
 256
 257     m_textMax = new wxTextCtrl(this, SpinBtnPage_MaxText, wxEmptyString);
 258     sizerRow->Add(m_textMax, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);
 259
 260     m_textMin->SetValue( wxString::Format(_T("%d"), m_min) );
 261     m_textMax->SetValue( wxString::Format(_T("%d"), m_max) );
 262
 263     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 264
 265     // right pane
 266     wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
 267     sizerRight->SetMinSize(150, 0);
 268     m_sizerSpin = sizerRight; // save it to modify it later
 269
 270     Reset();
 271     CreateSpin();
 272
 273     // the 3 panes panes compose the window
 274     sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
 275     sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10);
 276     sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 277
 278     // final initializations
 279     SetSizer(sizerTop);
 280 }
 281
 282 // ----------------------------------------------------------------------------
 283 // operations
 284 // ----------------------------------------------------------------------------
 285
 286 void SpinBtnWidgetsPage::Reset()
 287 {
 288     m_chkVert->SetValue(true);
 289     m_chkWrap->SetValue(false);
 290 }
 291
 292 void SpinBtnWidgetsPage::CreateSpin()
 293 {
 294     int flags = ms_defaultFlags;
 295
 296     bool isVert = m_chkVert->GetValue();
 297     if ( isVert )
 298         flags |= wxSP_VERTICAL;
 299     else
 300         flags |= wxSP_HORIZONTAL;
 301
 302     if ( m_chkWrap->GetValue() )
 303         flags |= wxSP_WRAP;
 304
 305     int val = m_min;
 306     if ( m_spinbtn )
 307     {
 308         int valOld = m_spinbtn->GetValue();
 309         if ( !IsValidValue(valOld) )
 310         {
 311             val = valOld;
 312         }
 313
 314         m_sizerSpin->Detach( m_spinbtn );
 315         m_sizerSpin->Detach( m_spinctrl );
 316         m_sizerSpin->Detach( m_spinctrldbl );
 317
 318         // there are 4 spacers left
 319         m_sizerSpin->Remove( 0 );
 320         m_sizerSpin->Remove( 0 );
 321         m_sizerSpin->Remove( 0 );
 322         m_sizerSpin->Remove( 0 );
 323
 324         delete m_spinbtn;
 325         delete m_spinctrl;
 326         delete m_spinctrldbl;
 327     }
 328
 329     m_spinbtn = new wxSpinButton(this, SpinBtnPage_SpinBtn,
 330                                  wxDefaultPosition, wxDefaultSize,
 331                                  flags);
 332
 333     m_spinbtn->SetValue(val);
 334     m_spinbtn->SetRange(m_min, m_max);
 335
 336     m_spinctrl = new wxSpinCtrl(this, SpinBtnPage_SpinCtrl,
 337                                 wxString::Format(_T("%d"), val),
 338                                 wxDefaultPosition, wxDefaultSize,
 339                                 flags,
 340                                 m_min, m_max, val);
 341
 342     m_spinctrldbl = new wxSpinCtrlDouble(this, SpinBtnPage_SpinCtrlDouble,
 343                                          wxString::Format(_T("%d"), val),
 344                                          wxDefaultPosition, wxDefaultSize,
 345                                          flags,
 346                                          m_min, m_max, val, 0.1);
 347
 348     m_sizerSpin->Add(0, 0, 1);
 349     m_sizerSpin->Add(m_spinbtn, 0, wxALIGN_CENTRE | wxALL, 5);
 350     m_sizerSpin->Add(0, 0, 1);
 351     m_sizerSpin->Add(m_spinctrl, 0, wxALIGN_CENTRE | wxALL, 5);
 352     m_sizerSpin->Add(0, 0, 1);
 353     m_sizerSpin->Add(m_spinctrldbl, 0, wxALIGN_CENTRE | wxALL, 5);
 354     m_sizerSpin->Add(0, 0, 1);
 355
 356     m_sizerSpin->Layout();
 357 }
 358
 359 // ----------------------------------------------------------------------------
 360 // event handlers
 361 // ----------------------------------------------------------------------------
 362
 363 void SpinBtnWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 364 {
 365     Reset();
 366
 367     CreateSpin();
 368 }
 369
 370 void SpinBtnWidgetsPage::OnButtonSetMinAndMax(wxCommandEvent& WXUNUSED(event))
 371 {
 372     long minNew,
 373          maxNew = 0; // init to suppress compiler warning
 374     if ( !m_textMin->GetValue().ToLong(&minNew) ||
 375          !m_textMax->GetValue().ToLong(&maxNew) ||
 376          minNew > maxNew )
 377     {
 378         wxLogWarning(_T("Invalid min/max values for the spinbtn."));
 379
 380         return;
 381     }
 382
 383     m_min = minNew;
 384     m_max = maxNew;
 385
 386     m_spinbtn->SetRange(minNew, maxNew);
 387     m_spinctrl->SetRange(minNew, maxNew);
 388     m_spinctrldbl->SetRange(minNew, maxNew);
 389 }
 390
 391 void SpinBtnWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
 392 {
 393     long val;
 394     if ( !m_textValue->GetValue().ToLong(&val) || !IsValidValue(val) )
 395     {
 396         wxLogWarning(_T("Invalid spinbtn value."));
 397
 398         return;
 399     }
 400
 401     m_spinbtn->SetValue(val);
 402     m_spinctrl->SetValue(val);
 403     m_spinctrldbl->SetValue(val);
 404 }
 405
 406 void SpinBtnWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event)
 407 {
 408     long val;
 409     event.Enable( m_textValue->GetValue().ToLong(&val) && IsValidValue(val) );
 410 }
 411
 412 void SpinBtnWidgetsPage::OnUpdateUIMinMaxButton(wxUpdateUIEvent& event)
 413 {
 414     long mn, mx;
 415     event.Enable( m_textMin->GetValue().ToLong(&mn) &&
 416                   m_textMax->GetValue().ToLong(&mx) &&
 417                   mn <= mx);
 418 }
 419
 420 void SpinBtnWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
 421 {
 422     event.Enable( !m_chkVert->GetValue() || m_chkWrap->GetValue() );
 423 }
 424
 425 void SpinBtnWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
 426 {
 427     CreateSpin();
 428 }
 429
 430 void SpinBtnWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
 431 {
 432     event.SetText( wxString::Format(_T("%d"), m_spinbtn->GetValue()));
 433 }
 434
 435 void SpinBtnWidgetsPage::OnSpinBtn(wxSpinEvent& event)
 436 {
 437     int value = event.GetInt();
 438
 439     wxASSERT_MSG( value == m_spinbtn->GetValue(),
 440                   _T("spinbtn value should be the same") );
 441
 442     wxLogMessage(_T("Spin button value changed, now %d"), value);
 443 }
 444
 445 void SpinBtnWidgetsPage::OnSpinBtnUp(wxSpinEvent& event)
 446 {
 447     wxLogMessage( _T("Spin button value incremented, will be %d (was %d)"),
 448                   event.GetInt(), m_spinbtn->GetValue() );
 449 }
 450
 451 void SpinBtnWidgetsPage::OnSpinBtnDown(wxSpinEvent& event)
 452 {
 453     wxLogMessage( _T("Spin button value decremented, will be %d (was %d)"),
 454                   event.GetInt(), m_spinbtn->GetValue() );
 455 }
 456
 457 void SpinBtnWidgetsPage::OnSpinCtrl(wxSpinEvent& event)
 458 {
 459     int value = event.GetInt();
 460
 461     wxASSERT_MSG( value == m_spinctrl->GetValue(),
 462                   _T("spinctrl value should be the same") );
 463
 464     wxLogMessage(_T("Spin control value changed, now %d"), value);
 465 }
 466
 467 void SpinBtnWidgetsPage::OnSpinCtrlDouble(wxSpinDoubleEvent& event)
 468 {
 469     double value = event.GetValue();
 470
 471     wxLogMessage(_T("Spin control value changed, now %g"), value);
 472 }
 473
 474 void SpinBtnWidgetsPage::OnSpinText(wxCommandEvent& event)
 475 {
 476     wxLogMessage(_T("Text changed in spin control, now \"%s\""),
 477                  event.GetString().c_str());
 478 }
 479
 480 void SpinBtnWidgetsPage::OnSpinTextEnter(wxCommandEvent& event)
 481 {
 482     wxLogMessage("\"Enter\" pressed in spin control, text is \"%s\"",
 483                  event.GetString());
 484 }
 485
 486 #endif // wxUSE_SPINBTN