| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Program: wxWidgets Widgets Sample |
| 3 | // Name: slider.cpp |
| 4 | // Purpose: Part of the widgets sample showing wxSlider |
| 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_SLIDER |
| 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/slider.h" |
| 38 | #include "wx/statbox.h" |
| 39 | #include "wx/textctrl.h" |
| 40 | #endif |
| 41 | |
| 42 | #if wxUSE_TOOLTIPS |
| 43 | #include "wx/tooltip.h" |
| 44 | #endif |
| 45 | |
| 46 | #include "wx/sizer.h" |
| 47 | |
| 48 | #include "widgets.h" |
| 49 | |
| 50 | #include "icons/slider.xpm" |
| 51 | |
| 52 | // ---------------------------------------------------------------------------- |
| 53 | // constants |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | |
| 56 | // control ids |
| 57 | enum |
| 58 | { |
| 59 | SliderPage_Reset = wxID_HIGHEST, |
| 60 | SliderPage_Clear, |
| 61 | SliderPage_SetValue, |
| 62 | SliderPage_SetMinAndMax, |
| 63 | SliderPage_SetLineSize, |
| 64 | SliderPage_SetPageSize, |
| 65 | SliderPage_SetTickFreq, |
| 66 | SliderPage_SetThumbLen, |
| 67 | SliderPage_CurValueText, |
| 68 | SliderPage_ValueText, |
| 69 | SliderPage_MinText, |
| 70 | SliderPage_MaxText, |
| 71 | SliderPage_LineSizeText, |
| 72 | SliderPage_PageSizeText, |
| 73 | SliderPage_TickFreqText, |
| 74 | SliderPage_ThumbLenText, |
| 75 | SliderPage_RadioSides, |
| 76 | SliderPage_BothSides, |
| 77 | SliderPage_Slider |
| 78 | }; |
| 79 | |
| 80 | // sides radiobox values |
| 81 | enum |
| 82 | { |
| 83 | SliderTicks_Top, |
| 84 | SliderTicks_Bottom, |
| 85 | SliderTicks_Left, |
| 86 | SliderTicks_Right |
| 87 | }; |
| 88 | |
| 89 | // ---------------------------------------------------------------------------- |
| 90 | // SliderWidgetsPage |
| 91 | // ---------------------------------------------------------------------------- |
| 92 | |
| 93 | class SliderWidgetsPage : public WidgetsPage |
| 94 | { |
| 95 | public: |
| 96 | SliderWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist); |
| 97 | virtual ~SliderWidgetsPage(){}; |
| 98 | |
| 99 | virtual wxControl *GetWidget() const { return m_slider; } |
| 100 | virtual void RecreateWidget() { CreateSlider(); } |
| 101 | |
| 102 | // lazy creation of the content |
| 103 | virtual void CreateContent(); |
| 104 | |
| 105 | protected: |
| 106 | // event handlers |
| 107 | void OnButtonReset(wxCommandEvent& event); |
| 108 | void OnButtonClear(wxCommandEvent& event); |
| 109 | void OnButtonSetValue(wxCommandEvent& event); |
| 110 | void OnButtonSetMinAndMax(wxCommandEvent& event); |
| 111 | void OnButtonSetLineSize(wxCommandEvent& event); |
| 112 | void OnButtonSetPageSize(wxCommandEvent& event); |
| 113 | void OnButtonSetTickFreq(wxCommandEvent& event); |
| 114 | void OnButtonSetThumbLen(wxCommandEvent& event); |
| 115 | |
| 116 | void OnCheckOrRadioBox(wxCommandEvent& event); |
| 117 | |
| 118 | void OnSlider(wxScrollEvent& event); |
| 119 | |
| 120 | void OnUpdateUIValueButton(wxUpdateUIEvent& event); |
| 121 | void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event); |
| 122 | void OnUpdateUILineSize(wxUpdateUIEvent& event); |
| 123 | void OnUpdateUIPageSize(wxUpdateUIEvent& event); |
| 124 | void OnUpdateUITickFreq(wxUpdateUIEvent& event); |
| 125 | void OnUpdateUIThumbLen(wxUpdateUIEvent& event); |
| 126 | void OnUpdateUIRadioSides(wxUpdateUIEvent& event); |
| 127 | void OnUpdateUIBothSides(wxUpdateUIEvent& event); |
| 128 | |
| 129 | void OnUpdateUIResetButton(wxUpdateUIEvent& event); |
| 130 | |
| 131 | void OnUpdateUICurValueText(wxUpdateUIEvent& event); |
| 132 | |
| 133 | // reset the slider parameters |
| 134 | void Reset(); |
| 135 | |
| 136 | // (re)create the slider |
| 137 | void CreateSlider(); |
| 138 | |
| 139 | // set the line size from the text field value |
| 140 | void DoSetLineSize(); |
| 141 | |
| 142 | // set the page size from the text field value |
| 143 | void DoSetPageSize(); |
| 144 | |
| 145 | // set the tick frequency from the text field value |
| 146 | void DoSetTickFreq(); |
| 147 | |
| 148 | // set the thumb len from the text field value |
| 149 | void DoSetThumbLen(); |
| 150 | |
| 151 | // is this slider value in range? |
| 152 | bool IsValidValue(int val) const |
| 153 | { return (val >= m_min) && (val <= m_max); } |
| 154 | |
| 155 | // the slider range |
| 156 | int m_min, m_max; |
| 157 | |
| 158 | // the controls |
| 159 | // ------------ |
| 160 | |
| 161 | // the check/radio boxes for styles |
| 162 | wxCheckBox *m_chkLabels, |
| 163 | *m_chkInverse, |
| 164 | *m_chkTicks, |
| 165 | *m_chkBothSides; |
| 166 | |
| 167 | wxRadioBox *m_radioSides; |
| 168 | |
| 169 | // the slider itself and the sizer it is in |
| 170 | wxSlider *m_slider; |
| 171 | wxSizer *m_sizerSlider; |
| 172 | |
| 173 | // the text entries for set value/range |
| 174 | wxTextCtrl *m_textValue, |
| 175 | *m_textMin, |
| 176 | *m_textMax, |
| 177 | *m_textLineSize, |
| 178 | *m_textPageSize, |
| 179 | *m_textTickFreq, |
| 180 | *m_textThumbLen; |
| 181 | |
| 182 | private: |
| 183 | DECLARE_EVENT_TABLE() |
| 184 | DECLARE_WIDGETS_PAGE(SliderWidgetsPage) |
| 185 | }; |
| 186 | |
| 187 | // ---------------------------------------------------------------------------- |
| 188 | // event tables |
| 189 | // ---------------------------------------------------------------------------- |
| 190 | |
| 191 | BEGIN_EVENT_TABLE(SliderWidgetsPage, WidgetsPage) |
| 192 | EVT_BUTTON(SliderPage_Reset, SliderWidgetsPage::OnButtonReset) |
| 193 | EVT_BUTTON(SliderPage_SetValue, SliderWidgetsPage::OnButtonSetValue) |
| 194 | EVT_BUTTON(SliderPage_SetMinAndMax, SliderWidgetsPage::OnButtonSetMinAndMax) |
| 195 | EVT_BUTTON(SliderPage_SetLineSize, SliderWidgetsPage::OnButtonSetLineSize) |
| 196 | EVT_BUTTON(SliderPage_SetPageSize, SliderWidgetsPage::OnButtonSetPageSize) |
| 197 | EVT_BUTTON(SliderPage_SetTickFreq, SliderWidgetsPage::OnButtonSetTickFreq) |
| 198 | EVT_BUTTON(SliderPage_SetThumbLen, SliderWidgetsPage::OnButtonSetThumbLen) |
| 199 | |
| 200 | EVT_UPDATE_UI(SliderPage_SetValue, SliderWidgetsPage::OnUpdateUIValueButton) |
| 201 | EVT_UPDATE_UI(SliderPage_SetMinAndMax, SliderWidgetsPage::OnUpdateUIMinMaxButton) |
| 202 | EVT_UPDATE_UI(SliderPage_SetLineSize, SliderWidgetsPage::OnUpdateUILineSize) |
| 203 | EVT_UPDATE_UI(SliderPage_SetPageSize, SliderWidgetsPage::OnUpdateUIPageSize) |
| 204 | EVT_UPDATE_UI(SliderPage_SetTickFreq, SliderWidgetsPage::OnUpdateUITickFreq) |
| 205 | EVT_UPDATE_UI(SliderPage_SetThumbLen, SliderWidgetsPage::OnUpdateUIThumbLen) |
| 206 | EVT_UPDATE_UI(SliderPage_RadioSides, SliderWidgetsPage::OnUpdateUIRadioSides) |
| 207 | EVT_UPDATE_UI(SliderPage_BothSides, SliderWidgetsPage::OnUpdateUIBothSides) |
| 208 | |
| 209 | EVT_UPDATE_UI(SliderPage_Reset, SliderWidgetsPage::OnUpdateUIResetButton) |
| 210 | |
| 211 | EVT_UPDATE_UI(SliderPage_CurValueText, SliderWidgetsPage::OnUpdateUICurValueText) |
| 212 | |
| 213 | EVT_COMMAND_SCROLL(SliderPage_Slider, SliderWidgetsPage::OnSlider) |
| 214 | |
| 215 | EVT_CHECKBOX(wxID_ANY, SliderWidgetsPage::OnCheckOrRadioBox) |
| 216 | EVT_RADIOBOX(wxID_ANY, SliderWidgetsPage::OnCheckOrRadioBox) |
| 217 | END_EVENT_TABLE() |
| 218 | |
| 219 | // ============================================================================ |
| 220 | // implementation |
| 221 | // ============================================================================ |
| 222 | |
| 223 | #if defined(__WXUNIVERSAL__) |
| 224 | #define FAMILY_CTRLS UNIVERSAL_CTRLS |
| 225 | #else |
| 226 | #define FAMILY_CTRLS NATIVE_CTRLS |
| 227 | #endif |
| 228 | |
| 229 | IMPLEMENT_WIDGETS_PAGE(SliderWidgetsPage, _T("Slider"), FAMILY_CTRLS ); |
| 230 | |
| 231 | SliderWidgetsPage::SliderWidgetsPage(WidgetsBookCtrl *book, |
| 232 | wxImageList *imaglist) |
| 233 | : WidgetsPage(book, imaglist, slider_xpm) |
| 234 | { |
| 235 | // init everything |
| 236 | m_min = 0; |
| 237 | m_max = 100; |
| 238 | |
| 239 | m_chkInverse = |
| 240 | m_chkTicks = |
| 241 | m_chkLabels = |
| 242 | m_chkBothSides = (wxCheckBox *)NULL; |
| 243 | |
| 244 | m_radioSides = (wxRadioBox *)NULL; |
| 245 | |
| 246 | m_slider = (wxSlider *)NULL; |
| 247 | m_sizerSlider = (wxSizer *)NULL; |
| 248 | } |
| 249 | |
| 250 | void SliderWidgetsPage::CreateContent() |
| 251 | { |
| 252 | wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL); |
| 253 | |
| 254 | // left pane |
| 255 | wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style")); |
| 256 | wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL); |
| 257 | |
| 258 | m_chkInverse = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Inverse")); |
| 259 | m_chkTicks = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &ticks")); |
| 260 | m_chkLabels = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &labels")); |
| 261 | static const wxString sides[] = |
| 262 | { |
| 263 | _T("top"), |
| 264 | _T("bottom"), |
| 265 | _T("left"), |
| 266 | _T("right"), |
| 267 | }; |
| 268 | m_radioSides = new wxRadioBox(this, SliderPage_RadioSides, _T("&Ticks/Labels"), |
| 269 | wxDefaultPosition, wxDefaultSize, |
| 270 | WXSIZEOF(sides), sides, |
| 271 | 1, wxRA_SPECIFY_COLS); |
| 272 | sizerLeft->Add(m_radioSides, 0, wxGROW | wxALL, 5); |
| 273 | m_chkBothSides = CreateCheckBoxAndAddToSizer |
| 274 | (sizerLeft, _T("&Both sides"), SliderPage_BothSides); |
| 275 | #if wxUSE_TOOLTIPS |
| 276 | m_chkBothSides->SetToolTip( _T("\"Both sides\" is only supported \nin Win95 and Universal") ); |
| 277 | #endif // wxUSE_TOOLTIPS |
| 278 | |
| 279 | sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer |
| 280 | |
| 281 | wxButton *btn = new wxButton(this, SliderPage_Reset, _T("&Reset")); |
| 282 | sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15); |
| 283 | |
| 284 | // middle pane |
| 285 | wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, _T("&Change slider value")); |
| 286 | wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL); |
| 287 | |
| 288 | wxTextCtrl *text; |
| 289 | wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"), |
| 290 | SliderPage_CurValueText, |
| 291 | &text); |
| 292 | text->SetEditable(false); |
| 293 | |
| 294 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); |
| 295 | |
| 296 | sizerRow = CreateSizerWithTextAndButton(SliderPage_SetValue, |
| 297 | _T("Set &value"), |
| 298 | SliderPage_ValueText, |
| 299 | &m_textValue); |
| 300 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); |
| 301 | |
| 302 | sizerRow = CreateSizerWithTextAndButton(SliderPage_SetMinAndMax, |
| 303 | _T("&Min and max"), |
| 304 | SliderPage_MinText, |
| 305 | &m_textMin); |
| 306 | |
| 307 | m_textMax = new wxTextCtrl(this, SliderPage_MaxText, wxEmptyString); |
| 308 | sizerRow->Add(m_textMax, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5); |
| 309 | |
| 310 | m_textMin->SetValue( wxString::Format(_T("%d"), m_min) ); |
| 311 | m_textMax->SetValue( wxString::Format(_T("%d"), m_max) ); |
| 312 | |
| 313 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); |
| 314 | |
| 315 | sizerRow = CreateSizerWithTextAndButton(SliderPage_SetLineSize, |
| 316 | _T("Li&ne size"), |
| 317 | SliderPage_LineSizeText, |
| 318 | &m_textLineSize); |
| 319 | |
| 320 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); |
| 321 | |
| 322 | sizerRow = CreateSizerWithTextAndButton(SliderPage_SetPageSize, |
| 323 | _T("P&age size"), |
| 324 | SliderPage_PageSizeText, |
| 325 | &m_textPageSize); |
| 326 | |
| 327 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); |
| 328 | |
| 329 | sizerRow = CreateSizerWithTextAndButton(SliderPage_SetTickFreq, |
| 330 | _T("Tick &frequency"), |
| 331 | SliderPage_TickFreqText, |
| 332 | &m_textTickFreq); |
| 333 | |
| 334 | m_textTickFreq->SetValue(_T("10")); |
| 335 | |
| 336 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); |
| 337 | |
| 338 | sizerRow = CreateSizerWithTextAndButton(SliderPage_SetThumbLen, |
| 339 | _T("Thumb &length"), |
| 340 | SliderPage_ThumbLenText, |
| 341 | &m_textThumbLen); |
| 342 | |
| 343 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); |
| 344 | |
| 345 | // right pane |
| 346 | wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL); |
| 347 | sizerRight->SetMinSize(150, 40); |
| 348 | m_sizerSlider = sizerRight; // save it to modify it later |
| 349 | |
| 350 | Reset(); |
| 351 | CreateSlider(); |
| 352 | |
| 353 | m_textLineSize->SetValue(wxString::Format(_T("%d"), m_slider->GetLineSize())); |
| 354 | m_textPageSize->SetValue(wxString::Format(_T("%d"), m_slider->GetPageSize())); |
| 355 | |
| 356 | // the 3 panes panes compose the window |
| 357 | sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10); |
| 358 | sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10); |
| 359 | sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10); |
| 360 | |
| 361 | // final initializations |
| 362 | SetSizer(sizerTop); |
| 363 | } |
| 364 | |
| 365 | // ---------------------------------------------------------------------------- |
| 366 | // operations |
| 367 | // ---------------------------------------------------------------------------- |
| 368 | |
| 369 | void SliderWidgetsPage::Reset() |
| 370 | { |
| 371 | m_chkInverse->SetValue(false); |
| 372 | m_chkTicks->SetValue(true); |
| 373 | m_chkLabels->SetValue(true); |
| 374 | m_chkBothSides->SetValue(false); |
| 375 | |
| 376 | m_radioSides->SetSelection(SliderTicks_Top); |
| 377 | } |
| 378 | |
| 379 | void SliderWidgetsPage::CreateSlider() |
| 380 | { |
| 381 | int flags = ms_defaultFlags; |
| 382 | |
| 383 | if ( m_chkInverse->GetValue() ) |
| 384 | { |
| 385 | flags |= wxSL_INVERSE; |
| 386 | } |
| 387 | |
| 388 | if ( m_chkLabels->GetValue() ) |
| 389 | { |
| 390 | flags |= wxSL_LABELS; |
| 391 | } |
| 392 | |
| 393 | if ( m_chkTicks->GetValue() ) |
| 394 | { |
| 395 | flags |= wxSL_AUTOTICKS; |
| 396 | } |
| 397 | |
| 398 | switch ( m_radioSides->GetSelection() ) |
| 399 | { |
| 400 | case SliderTicks_Top: |
| 401 | flags |= wxSL_TOP; |
| 402 | break; |
| 403 | |
| 404 | case SliderTicks_Left: |
| 405 | flags |= wxSL_LEFT; |
| 406 | break; |
| 407 | |
| 408 | case SliderTicks_Bottom: |
| 409 | flags |= wxSL_BOTTOM; |
| 410 | break; |
| 411 | |
| 412 | case SliderTicks_Right: |
| 413 | flags |= wxSL_RIGHT; |
| 414 | break; |
| 415 | |
| 416 | default: |
| 417 | wxFAIL_MSG(_T("unexpected radiobox selection")); |
| 418 | // fall through |
| 419 | } |
| 420 | |
| 421 | if ( m_chkBothSides->GetValue() ) |
| 422 | { |
| 423 | flags |= wxSL_BOTH; |
| 424 | } |
| 425 | |
| 426 | int val = m_min; |
| 427 | if ( m_slider ) |
| 428 | { |
| 429 | int valOld = m_slider->GetValue(); |
| 430 | if ( !IsValidValue(valOld) ) |
| 431 | { |
| 432 | val = valOld; |
| 433 | } |
| 434 | |
| 435 | m_sizerSlider->Detach( m_slider ); |
| 436 | |
| 437 | if ( m_sizerSlider->GetChildren().GetCount() ) |
| 438 | { |
| 439 | // we have 2 spacers, remove them too |
| 440 | m_sizerSlider->Remove( 0 ); |
| 441 | m_sizerSlider->Remove( 0 ); |
| 442 | } |
| 443 | |
| 444 | delete m_slider; |
| 445 | } |
| 446 | |
| 447 | m_slider = new wxSlider(this, SliderPage_Slider, |
| 448 | val, m_min, m_max, |
| 449 | wxDefaultPosition, wxDefaultSize, |
| 450 | flags); |
| 451 | |
| 452 | if ( m_slider->HasFlag(wxSL_VERTICAL) ) |
| 453 | { |
| 454 | m_sizerSlider->Add(0, 0, 1); |
| 455 | m_sizerSlider->Add(m_slider, 0, wxGROW | wxALL, 5); |
| 456 | m_sizerSlider->Add(0, 0, 1); |
| 457 | } |
| 458 | else |
| 459 | { |
| 460 | m_sizerSlider->Add(m_slider, 1, wxCENTRE | wxALL, 5); |
| 461 | } |
| 462 | |
| 463 | if ( m_chkTicks->GetValue() ) |
| 464 | { |
| 465 | DoSetTickFreq(); |
| 466 | } |
| 467 | |
| 468 | m_sizerSlider->Layout(); |
| 469 | } |
| 470 | |
| 471 | void SliderWidgetsPage::DoSetLineSize() |
| 472 | { |
| 473 | long lineSize; |
| 474 | if ( !m_textLineSize->GetValue().ToLong(&lineSize) ) |
| 475 | { |
| 476 | wxLogWarning(_T("Invalid slider line size")); |
| 477 | |
| 478 | return; |
| 479 | } |
| 480 | |
| 481 | m_slider->SetLineSize(lineSize); |
| 482 | |
| 483 | if ( m_slider->GetLineSize() != lineSize ) |
| 484 | { |
| 485 | wxLogWarning(_T("Invalid line size in slider.")); |
| 486 | } |
| 487 | } |
| 488 | |
| 489 | void SliderWidgetsPage::DoSetPageSize() |
| 490 | { |
| 491 | long pageSize; |
| 492 | if ( !m_textPageSize->GetValue().ToLong(&pageSize) ) |
| 493 | { |
| 494 | wxLogWarning(_T("Invalid slider page size")); |
| 495 | |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | m_slider->SetPageSize(pageSize); |
| 500 | |
| 501 | if ( m_slider->GetPageSize() != pageSize ) |
| 502 | { |
| 503 | wxLogWarning(_T("Invalid page size in slider.")); |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | void SliderWidgetsPage::DoSetTickFreq() |
| 508 | { |
| 509 | long freq; |
| 510 | if ( !m_textTickFreq->GetValue().ToLong(&freq) ) |
| 511 | { |
| 512 | wxLogWarning(_T("Invalid slider tick frequency")); |
| 513 | |
| 514 | return; |
| 515 | } |
| 516 | |
| 517 | m_slider->SetTickFreq(freq, 0 /* unused */); |
| 518 | } |
| 519 | |
| 520 | void SliderWidgetsPage::DoSetThumbLen() |
| 521 | { |
| 522 | long len; |
| 523 | if ( !m_textThumbLen->GetValue().ToLong(&len) ) |
| 524 | { |
| 525 | wxLogWarning(_T("Invalid slider thumb length")); |
| 526 | |
| 527 | return; |
| 528 | } |
| 529 | |
| 530 | m_slider->SetThumbLength(len); |
| 531 | } |
| 532 | |
| 533 | // ---------------------------------------------------------------------------- |
| 534 | // event handlers |
| 535 | // ---------------------------------------------------------------------------- |
| 536 | |
| 537 | void SliderWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event)) |
| 538 | { |
| 539 | Reset(); |
| 540 | |
| 541 | CreateSlider(); |
| 542 | } |
| 543 | |
| 544 | void SliderWidgetsPage::OnButtonSetLineSize(wxCommandEvent& WXUNUSED(event)) |
| 545 | { |
| 546 | DoSetLineSize(); |
| 547 | } |
| 548 | |
| 549 | void SliderWidgetsPage::OnButtonSetPageSize(wxCommandEvent& WXUNUSED(event)) |
| 550 | { |
| 551 | DoSetPageSize(); |
| 552 | } |
| 553 | |
| 554 | void SliderWidgetsPage::OnButtonSetTickFreq(wxCommandEvent& WXUNUSED(event)) |
| 555 | { |
| 556 | DoSetTickFreq(); |
| 557 | } |
| 558 | |
| 559 | void SliderWidgetsPage::OnButtonSetThumbLen(wxCommandEvent& WXUNUSED(event)) |
| 560 | { |
| 561 | DoSetThumbLen(); |
| 562 | } |
| 563 | |
| 564 | void SliderWidgetsPage::OnButtonSetMinAndMax(wxCommandEvent& WXUNUSED(event)) |
| 565 | { |
| 566 | long minNew, |
| 567 | maxNew = 0; // init to suppress compiler warning |
| 568 | if ( !m_textMin->GetValue().ToLong(&minNew) || |
| 569 | !m_textMax->GetValue().ToLong(&maxNew) || |
| 570 | minNew >= maxNew ) |
| 571 | { |
| 572 | wxLogWarning(_T("Invalid min/max values for the slider.")); |
| 573 | |
| 574 | return; |
| 575 | } |
| 576 | |
| 577 | m_min = minNew; |
| 578 | m_max = maxNew; |
| 579 | |
| 580 | m_slider->SetRange(minNew, maxNew); |
| 581 | |
| 582 | if ( m_slider->GetMin() != m_min || |
| 583 | m_slider->GetMax() != m_max ) |
| 584 | { |
| 585 | wxLogWarning(_T("Invalid range in slider.")); |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | void SliderWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event)) |
| 590 | { |
| 591 | long val; |
| 592 | if ( !m_textValue->GetValue().ToLong(&val) || !IsValidValue(val) ) |
| 593 | { |
| 594 | wxLogWarning(_T("Invalid slider value.")); |
| 595 | |
| 596 | return; |
| 597 | } |
| 598 | |
| 599 | m_slider->SetValue(val); |
| 600 | } |
| 601 | |
| 602 | void SliderWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event) |
| 603 | { |
| 604 | long val; |
| 605 | event.Enable( m_textValue->GetValue().ToLong(&val) && IsValidValue(val) ); |
| 606 | } |
| 607 | |
| 608 | void SliderWidgetsPage::OnUpdateUILineSize(wxUpdateUIEvent& event) |
| 609 | { |
| 610 | long lineSize; |
| 611 | event.Enable( m_textLineSize->GetValue().ToLong(&lineSize) && |
| 612 | (lineSize > 0) && (lineSize <= m_max - m_min) ); |
| 613 | } |
| 614 | |
| 615 | void SliderWidgetsPage::OnUpdateUIPageSize(wxUpdateUIEvent& event) |
| 616 | { |
| 617 | long pageSize; |
| 618 | event.Enable( m_textPageSize->GetValue().ToLong(&pageSize) && |
| 619 | (pageSize > 0) && (pageSize <= m_max - m_min) ); |
| 620 | } |
| 621 | |
| 622 | void SliderWidgetsPage::OnUpdateUITickFreq(wxUpdateUIEvent& event) |
| 623 | { |
| 624 | long freq; |
| 625 | event.Enable( m_chkTicks->GetValue() && |
| 626 | m_textTickFreq->GetValue().ToLong(&freq) && |
| 627 | (freq > 0) && (freq <= m_max - m_min) ); |
| 628 | } |
| 629 | |
| 630 | void SliderWidgetsPage::OnUpdateUIThumbLen(wxUpdateUIEvent& event) |
| 631 | { |
| 632 | long val; |
| 633 | event.Enable( m_textThumbLen->GetValue().ToLong(&val)); |
| 634 | } |
| 635 | |
| 636 | void SliderWidgetsPage::OnUpdateUIMinMaxButton(wxUpdateUIEvent& event) |
| 637 | { |
| 638 | long mn, mx; |
| 639 | event.Enable( m_textMin->GetValue().ToLong(&mn) && |
| 640 | m_textMax->GetValue().ToLong(&mx) && |
| 641 | mn < mx); |
| 642 | } |
| 643 | |
| 644 | void SliderWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event) |
| 645 | { |
| 646 | event.Enable( m_chkInverse->GetValue() || |
| 647 | !m_chkTicks->GetValue() || |
| 648 | !m_chkLabels->GetValue() || |
| 649 | m_chkBothSides->GetValue() || |
| 650 | m_radioSides->GetSelection() != SliderTicks_Top ); |
| 651 | } |
| 652 | |
| 653 | void SliderWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event)) |
| 654 | { |
| 655 | CreateSlider(); |
| 656 | } |
| 657 | |
| 658 | void SliderWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event) |
| 659 | { |
| 660 | event.SetText( wxString::Format(_T("%d"), m_slider->GetValue()) ); |
| 661 | } |
| 662 | |
| 663 | void SliderWidgetsPage::OnUpdateUIRadioSides(wxUpdateUIEvent& event) |
| 664 | { |
| 665 | event.Enable( m_chkLabels->GetValue() || m_chkTicks->GetValue() ); |
| 666 | } |
| 667 | |
| 668 | void SliderWidgetsPage::OnUpdateUIBothSides(wxUpdateUIEvent& event) |
| 669 | { |
| 670 | #if defined(__WXMSW__) || defined(__WXUNIVERSAL__) |
| 671 | event.Enable( m_chkTicks->GetValue() ); |
| 672 | #else |
| 673 | event.Enable( false ); |
| 674 | #endif // defined(__WXMSW__) || defined(__WXUNIVERSAL__) |
| 675 | } |
| 676 | |
| 677 | void SliderWidgetsPage::OnSlider(wxScrollEvent& event) |
| 678 | { |
| 679 | wxASSERT_MSG( event.GetInt() == m_slider->GetValue(), |
| 680 | wxT("slider value should be the same") ); |
| 681 | |
| 682 | wxEventType eventType = event.GetEventType(); |
| 683 | |
| 684 | /* |
| 685 | This array takes the EXACT order of the declarations in |
| 686 | include/wx/event.h |
| 687 | (section "wxScrollBar and wxSlider event identifiers") |
| 688 | */ |
| 689 | static const wxChar *eventNames[] = |
| 690 | { |
| 691 | wxT("wxEVT_SCROLL_TOP"), |
| 692 | wxT("wxEVT_SCROLL_BOTTOM"), |
| 693 | wxT("wxEVT_SCROLL_LINEUP"), |
| 694 | wxT("wxEVT_SCROLL_LINEDOWN"), |
| 695 | wxT("wxEVT_SCROLL_PAGEUP"), |
| 696 | wxT("wxEVT_SCROLL_PAGEDOWN"), |
| 697 | wxT("wxEVT_SCROLL_THUMBTRACK"), |
| 698 | wxT("wxEVT_SCROLL_THUMBRELEASE"), |
| 699 | wxT("wxEVT_SCROLL_CHANGED") |
| 700 | }; |
| 701 | |
| 702 | int index = eventType - wxEVT_SCROLL_TOP; |
| 703 | |
| 704 | /* |
| 705 | If this assert is triggered, there is an unknown slider event which |
| 706 | should be added to the above eventNames array. |
| 707 | */ |
| 708 | wxASSERT_MSG(index >= 0 && (size_t)index < WXSIZEOF(eventNames), |
| 709 | wxT("Unknown slider event") ); |
| 710 | |
| 711 | |
| 712 | static int s_numSliderEvents = 0; |
| 713 | |
| 714 | wxLogMessage(wxT("Slider event #%d: %s (pos = %d, int value = %d)"), |
| 715 | s_numSliderEvents++, |
| 716 | eventNames[index], |
| 717 | event.GetPosition(), |
| 718 | event.GetInt()); |
| 719 | } |
| 720 | |
| 721 | #endif // wxUSE_SLIDER |