| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Program: wxWindows 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: $Id$ |
| 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 | // for all others, include the necessary headers |
| 28 | #ifndef WX_PRECOMP |
| 29 | #include "wx/log.h" |
| 30 | |
| 31 | #include "wx/button.h" |
| 32 | #include "wx/checkbox.h" |
| 33 | #include "wx/radiobox.h" |
| 34 | #include "wx/statbox.h" |
| 35 | #include "wx/textctrl.h" |
| 36 | #endif |
| 37 | |
| 38 | #include "wx/sizer.h" |
| 39 | |
| 40 | #include "widgets.h" |
| 41 | #if 1 |
| 42 | #include "icons/radiobox.xpm" |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | // constants |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | |
| 48 | // control ids |
| 49 | enum |
| 50 | { |
| 51 | RadioPage_Reset = 100, |
| 52 | RadioPage_Update, |
| 53 | RadioPage_Selection, |
| 54 | RadioPage_Label, |
| 55 | RadioPage_LabelBtn, |
| 56 | RadioPage_Radio |
| 57 | }; |
| 58 | |
| 59 | // layout direction radiobox selections |
| 60 | enum |
| 61 | { |
| 62 | RadioDir_Default, |
| 63 | RadioDir_LtoR, |
| 64 | RadioDir_TtoB |
| 65 | }; |
| 66 | |
| 67 | // default values for the number of radiobox items |
| 68 | static const size_t DEFAULT_NUM_ENTRIES = 12; |
| 69 | static const size_t DEFAULT_MAJOR_DIM = 3; |
| 70 | |
| 71 | // ---------------------------------------------------------------------------- |
| 72 | // RadioWidgetsPage |
| 73 | // ---------------------------------------------------------------------------- |
| 74 | |
| 75 | class RadioWidgetsPage : public WidgetsPage |
| 76 | { |
| 77 | public: |
| 78 | RadioWidgetsPage(wxNotebook *notebook, wxImageList *imaglist); |
| 79 | virtual ~RadioWidgetsPage(); |
| 80 | |
| 81 | protected: |
| 82 | // event handlers |
| 83 | void OnCheckOrRadioBox(wxCommandEvent& event); |
| 84 | void OnRadioBox(wxCommandEvent& event); |
| 85 | |
| 86 | void OnButtonReset(wxCommandEvent& event); |
| 87 | void OnButtonRecreate(wxCommandEvent& event); |
| 88 | |
| 89 | void OnButtonSelection(wxCommandEvent& event); |
| 90 | void OnButtonSetLabel(wxCommandEvent& event); |
| 91 | |
| 92 | void OnUpdateUIReset(wxUpdateUIEvent& event); |
| 93 | void OnUpdateUIUpdate(wxUpdateUIEvent& event); |
| 94 | void OnUpdateUISelection(wxUpdateUIEvent& event); |
| 95 | |
| 96 | // reset the wxRadioBox parameters |
| 97 | void Reset(); |
| 98 | |
| 99 | // (re)create the wxRadioBox |
| 100 | void CreateRadio(); |
| 101 | |
| 102 | // the controls |
| 103 | // ------------ |
| 104 | |
| 105 | // the check/radio boxes for styles |
| 106 | wxCheckBox *m_chkVert; |
| 107 | wxRadioBox *m_radioDir; |
| 108 | |
| 109 | // the gauge itself and the sizer it is in |
| 110 | wxRadioBox *m_radio; |
| 111 | wxSizer *m_sizerRadio; |
| 112 | |
| 113 | // the text entries for command parameters |
| 114 | wxTextCtrl *m_textNumBtns, |
| 115 | *m_textMajorDim, |
| 116 | *m_textCurSel, |
| 117 | *m_textSel, |
| 118 | *m_textLabel, |
| 119 | *m_textLabelBtns; |
| 120 | |
| 121 | private: |
| 122 | DECLARE_EVENT_TABLE() |
| 123 | DECLARE_WIDGETS_PAGE(RadioWidgetsPage) |
| 124 | }; |
| 125 | |
| 126 | // ---------------------------------------------------------------------------- |
| 127 | // event tables |
| 128 | // ---------------------------------------------------------------------------- |
| 129 | |
| 130 | BEGIN_EVENT_TABLE(RadioWidgetsPage, WidgetsPage) |
| 131 | EVT_BUTTON(RadioPage_Reset, RadioWidgetsPage::OnButtonReset) |
| 132 | |
| 133 | EVT_BUTTON(RadioPage_Update, RadioWidgetsPage::OnButtonRecreate) |
| 134 | EVT_BUTTON(RadioPage_LabelBtn, RadioWidgetsPage::OnButtonRecreate) |
| 135 | |
| 136 | EVT_BUTTON(RadioPage_Selection, RadioWidgetsPage::OnButtonSelection) |
| 137 | EVT_BUTTON(RadioPage_Label, RadioWidgetsPage::OnButtonSetLabel) |
| 138 | |
| 139 | EVT_UPDATE_UI(RadioPage_Update, RadioWidgetsPage::OnUpdateUIUpdate) |
| 140 | EVT_UPDATE_UI(RadioPage_Selection, RadioWidgetsPage::OnUpdateUISelection) |
| 141 | |
| 142 | EVT_RADIOBOX(RadioPage_Radio, RadioWidgetsPage::OnRadioBox) |
| 143 | |
| 144 | EVT_CHECKBOX(-1, RadioWidgetsPage::OnCheckOrRadioBox) |
| 145 | EVT_RADIOBOX(-1, RadioWidgetsPage::OnCheckOrRadioBox) |
| 146 | END_EVENT_TABLE() |
| 147 | |
| 148 | // ============================================================================ |
| 149 | // implementation |
| 150 | // ============================================================================ |
| 151 | |
| 152 | IMPLEMENT_WIDGETS_PAGE(RadioWidgetsPage, _T("Radio")); |
| 153 | |
| 154 | RadioWidgetsPage::RadioWidgetsPage(wxNotebook *notebook, |
| 155 | wxImageList *imaglist) |
| 156 | : WidgetsPage(notebook) |
| 157 | { |
| 158 | imaglist->Add(wxBitmap(radio_xpm)); |
| 159 | |
| 160 | // init everything |
| 161 | m_chkVert = (wxCheckBox *)NULL; |
| 162 | |
| 163 | m_textNumBtns = |
| 164 | m_textLabelBtns = |
| 165 | m_textLabel = (wxTextCtrl *)NULL; |
| 166 | |
| 167 | m_radio = |
| 168 | m_radioDir = (wxRadioBox *)NULL; |
| 169 | m_sizerRadio = (wxSizer *)NULL; |
| 170 | |
| 171 | wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL); |
| 172 | |
| 173 | // left pane |
| 174 | wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set style")); |
| 175 | |
| 176 | wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL); |
| 177 | |
| 178 | m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical layout")); |
| 179 | |
| 180 | static const wxString layoutDir[] = |
| 181 | { |
| 182 | _T("default"), |
| 183 | _T("left to right"), |
| 184 | _T("top to bottom") |
| 185 | }; |
| 186 | |
| 187 | m_radioDir = new wxRadioBox(this, -1, _T("Numbering:"), |
| 188 | wxDefaultPosition, wxDefaultSize, |
| 189 | WXSIZEOF(layoutDir), layoutDir, |
| 190 | 1, wxRA_SPECIFY_COLS); |
| 191 | sizerLeft->Add(m_radioDir, 0, wxGROW | wxALL, 5); |
| 192 | |
| 193 | // if it's not defined, we can't change the radiobox direction |
| 194 | #ifndef wxRA_LEFTTORIGHT |
| 195 | m_radioDir->Disable(); |
| 196 | #endif // wxRA_LEFTTORIGHT |
| 197 | |
| 198 | wxSizer *sizerRow; |
| 199 | sizerRow = CreateSizerWithTextAndLabel(_T("&Major dimension:"), |
| 200 | -1, |
| 201 | &m_textMajorDim); |
| 202 | sizerLeft->Add(sizerRow, 0, wxGROW | wxALL, 5); |
| 203 | |
| 204 | sizerRow = CreateSizerWithTextAndLabel(_T("&Number of buttons:"), |
| 205 | -1, |
| 206 | &m_textNumBtns); |
| 207 | sizerLeft->Add(sizerRow, 0, wxGROW | wxALL, 5); |
| 208 | |
| 209 | wxButton *btn; |
| 210 | btn = new wxButton(this, RadioPage_Update, _T("&Update")); |
| 211 | sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 5); |
| 212 | |
| 213 | sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer |
| 214 | |
| 215 | btn = new wxButton(this, RadioPage_Reset, _T("&Reset")); |
| 216 | sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15); |
| 217 | |
| 218 | // middle pane |
| 219 | wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change parameters")); |
| 220 | wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL); |
| 221 | |
| 222 | sizerRow = CreateSizerWithTextAndLabel(_T("Current selection:"), |
| 223 | -1, |
| 224 | &m_textCurSel); |
| 225 | sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5); |
| 226 | |
| 227 | sizerRow = CreateSizerWithTextAndButton(RadioPage_Selection, |
| 228 | _T("&Change selection:"), |
| 229 | -1, |
| 230 | &m_textSel); |
| 231 | sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5); |
| 232 | |
| 233 | sizerRow = CreateSizerWithTextAndButton(RadioPage_Label, |
| 234 | _T("&Label for box:"), |
| 235 | -1, |
| 236 | &m_textLabel); |
| 237 | sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5); |
| 238 | |
| 239 | sizerRow = CreateSizerWithTextAndButton(RadioPage_LabelBtn, |
| 240 | _T("&Label for buttons:"), |
| 241 | -1, |
| 242 | &m_textLabelBtns); |
| 243 | sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5); |
| 244 | |
| 245 | // right pane |
| 246 | wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL); |
| 247 | sizerRight->SetMinSize(150, 0); |
| 248 | m_sizerRadio = sizerRight; // save it to modify it later |
| 249 | |
| 250 | Reset(); |
| 251 | CreateRadio(); |
| 252 | |
| 253 | // the 3 panes panes compose the window |
| 254 | sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10); |
| 255 | sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10); |
| 256 | sizerTop->Add(sizerRight, 0, wxGROW | (wxALL & ~wxRIGHT), 10); |
| 257 | |
| 258 | // final initializations |
| 259 | SetAutoLayout(TRUE); |
| 260 | SetSizer(sizerTop); |
| 261 | |
| 262 | sizerTop->Fit(this); |
| 263 | } |
| 264 | |
| 265 | RadioWidgetsPage::~RadioWidgetsPage() |
| 266 | { |
| 267 | } |
| 268 | |
| 269 | // ---------------------------------------------------------------------------- |
| 270 | // operations |
| 271 | // ---------------------------------------------------------------------------- |
| 272 | |
| 273 | void RadioWidgetsPage::Reset() |
| 274 | { |
| 275 | m_textMajorDim->SetValue(wxString::Format(_T("%d"), DEFAULT_MAJOR_DIM)); |
| 276 | m_textNumBtns->SetValue(wxString::Format(_T("%d"), DEFAULT_NUM_ENTRIES)); |
| 277 | m_textLabel->SetValue(_T("I'm a radiobox")); |
| 278 | m_textLabelBtns->SetValue(_T("item")); |
| 279 | |
| 280 | m_chkVert->SetValue(FALSE); |
| 281 | m_radioDir->SetSelection(RadioDir_Default); |
| 282 | } |
| 283 | |
| 284 | void RadioWidgetsPage::CreateRadio() |
| 285 | { |
| 286 | int sel; |
| 287 | if ( m_radio ) |
| 288 | { |
| 289 | sel = m_radio->GetSelection(); |
| 290 | |
| 291 | m_sizerRadio->Remove(m_radio); |
| 292 | |
| 293 | delete m_radio; |
| 294 | } |
| 295 | else // first time creation, no old selection to preserve |
| 296 | { |
| 297 | sel = -1; |
| 298 | } |
| 299 | |
| 300 | unsigned long count; |
| 301 | if ( !m_textNumBtns->GetValue().ToULong(&count) ) |
| 302 | { |
| 303 | wxLogWarning(_T("Should have a valid number for number of items.")); |
| 304 | |
| 305 | // fall back to default |
| 306 | count = DEFAULT_NUM_ENTRIES; |
| 307 | } |
| 308 | |
| 309 | unsigned long majorDim; |
| 310 | if ( !m_textMajorDim->GetValue().ToULong(&majorDim) ) |
| 311 | { |
| 312 | wxLogWarning(_T("Should have a valid major dimension number.")); |
| 313 | |
| 314 | // fall back to default |
| 315 | majorDim = DEFAULT_MAJOR_DIM; |
| 316 | } |
| 317 | |
| 318 | wxString *items = new wxString[count]; |
| 319 | |
| 320 | wxString labelBtn = m_textLabelBtns->GetValue(); |
| 321 | for ( size_t n = 0; n < count; n++ ) |
| 322 | { |
| 323 | items[n] = wxString::Format(_T("%s %u"), labelBtn.c_str(), n + 1); |
| 324 | } |
| 325 | |
| 326 | int flags = m_chkVert->GetValue() ? wxRA_VERTICAL |
| 327 | : wxRA_HORIZONTAL; |
| 328 | |
| 329 | #ifdef wxRA_LEFTTORIGHT |
| 330 | switch ( m_radioDir->GetSelection() ) |
| 331 | { |
| 332 | default: |
| 333 | wxFAIL_MSG( _T("unexpected wxRadioBox layout direction") ); |
| 334 | // fall through |
| 335 | |
| 336 | case RadioDir_Default: |
| 337 | break; |
| 338 | |
| 339 | case RadioDir_LtoR: |
| 340 | flags |= wxRA_LEFTTORIGHT; |
| 341 | break; |
| 342 | |
| 343 | case RadioDir_TtoB: |
| 344 | flags |= wxRA_TOPTOBOTTOM; |
| 345 | break; |
| 346 | } |
| 347 | #endif // wxRA_LEFTTORIGHT |
| 348 | |
| 349 | m_radio = new wxRadioBox(this, RadioPage_Radio, |
| 350 | m_textLabel->GetValue(), |
| 351 | wxDefaultPosition, wxDefaultSize, |
| 352 | count, items, |
| 353 | majorDim, |
| 354 | flags); |
| 355 | |
| 356 | delete [] items; |
| 357 | |
| 358 | if ( sel >= 0 && (size_t)sel < count ) |
| 359 | { |
| 360 | m_radio->SetSelection(sel); |
| 361 | } |
| 362 | |
| 363 | m_sizerRadio->Add(m_radio, 1, wxGROW); |
| 364 | m_sizerRadio->Layout(); |
| 365 | } |
| 366 | |
| 367 | // ---------------------------------------------------------------------------- |
| 368 | // event handlers |
| 369 | // ---------------------------------------------------------------------------- |
| 370 | |
| 371 | void RadioWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event)) |
| 372 | { |
| 373 | Reset(); |
| 374 | |
| 375 | CreateRadio(); |
| 376 | } |
| 377 | |
| 378 | void RadioWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event) |
| 379 | { |
| 380 | CreateRadio(); |
| 381 | } |
| 382 | |
| 383 | void RadioWidgetsPage::OnRadioBox(wxCommandEvent& event) |
| 384 | { |
| 385 | int sel = m_radio->GetSelection(); |
| 386 | |
| 387 | wxLogMessage(_T("Radiobox selection changed, now %d"), sel); |
| 388 | |
| 389 | wxASSERT_MSG( sel == event.GetSelection(), |
| 390 | _T("selection should be the same in event and radiobox") ); |
| 391 | |
| 392 | m_textCurSel->SetValue(wxString::Format(_T("%d"), sel)); |
| 393 | } |
| 394 | |
| 395 | void RadioWidgetsPage::OnButtonRecreate(wxCommandEvent& WXUNUSED(event)) |
| 396 | { |
| 397 | CreateRadio(); |
| 398 | } |
| 399 | |
| 400 | void RadioWidgetsPage::OnButtonSetLabel(wxCommandEvent& WXUNUSED(event)) |
| 401 | { |
| 402 | m_radio->wxControl::SetLabel(m_textLabel->GetValue()); |
| 403 | } |
| 404 | |
| 405 | void RadioWidgetsPage::OnButtonSelection(wxCommandEvent& WXUNUSED(event)) |
| 406 | { |
| 407 | unsigned long sel; |
| 408 | if ( !m_textSel->GetValue().ToULong(&sel) || |
| 409 | (sel >= (size_t)m_radio->GetCount()) ) |
| 410 | { |
| 411 | wxLogWarning(_T("Invalid number specified as new selection.")); |
| 412 | } |
| 413 | else |
| 414 | { |
| 415 | m_radio->SetSelection(sel); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | void RadioWidgetsPage::OnUpdateUIUpdate(wxUpdateUIEvent& event) |
| 420 | { |
| 421 | unsigned long n; |
| 422 | event.Enable( m_textNumBtns->GetValue().ToULong(&n) && |
| 423 | m_textMajorDim->GetValue().ToULong(&n) ); |
| 424 | } |
| 425 | |
| 426 | void RadioWidgetsPage::OnUpdateUISelection(wxUpdateUIEvent& event) |
| 427 | { |
| 428 | unsigned long n; |
| 429 | event.Enable( m_textSel->GetValue().ToULong(&n) && |
| 430 | (n < (size_t)m_radio->GetCount()) ); |
| 431 | } |
| 432 | |
| 433 | void RadioWidgetsPage::OnUpdateUIReset(wxUpdateUIEvent& event) |
| 434 | { |
| 435 | // only enable it if something is not set to default |
| 436 | bool enable = m_chkVert->GetValue(); |
| 437 | |
| 438 | if ( !enable ) |
| 439 | { |
| 440 | unsigned long numEntries; |
| 441 | |
| 442 | enable = !m_textNumBtns->GetValue().ToULong(&numEntries) || |
| 443 | numEntries != DEFAULT_NUM_ENTRIES; |
| 444 | |
| 445 | if ( !enable ) |
| 446 | { |
| 447 | unsigned long majorDim; |
| 448 | |
| 449 | enable = !m_textMajorDim->GetValue().ToULong(&majorDim) || |
| 450 | majorDim != DEFAULT_MAJOR_DIM; |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | event.Enable(enable); |
| 455 | } |
| 456 | |
| 457 | #endif |