| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/generic/spinctlg.cpp |
| 3 | // Purpose: implements wxSpinCtrl as a composite control |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 29.01.01 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #ifndef WX_PRECOMP |
| 28 | #include "wx/textctrl.h" |
| 29 | #endif //WX_PRECOMP |
| 30 | |
| 31 | #include "wx/spinctrl.h" |
| 32 | #include "wx/tooltip.h" |
| 33 | |
| 34 | #if wxUSE_SPINCTRL |
| 35 | |
| 36 | IMPLEMENT_DYNAMIC_CLASS(wxSpinDoubleEvent, wxNotifyEvent) |
| 37 | |
| 38 | // There are port-specific versions for the wxSpinCtrl, so exclude the |
| 39 | // contents of this file in those cases |
| 40 | #if !defined(wxHAS_NATIVE_SPINCTRL) || !defined(wxHAS_NATIVE_SPINCTRLDOUBLE) |
| 41 | |
| 42 | #include "wx/spinbutt.h" |
| 43 | |
| 44 | #if wxUSE_SPINBTN |
| 45 | |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | // constants |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | |
| 50 | // The margin between the text control and the spin: the value here is the same |
| 51 | // as the margin between the spin button and its "buddy" text control in wxMSW |
| 52 | // so the generic control looks similarly to the native one there, we might |
| 53 | // need to use different value for the other platforms (and maybe even |
| 54 | // determine it dynamically?). |
| 55 | static const wxCoord MARGIN = 1; |
| 56 | |
| 57 | #define SPINCTRLBUT_MAX 32000 // large to avoid wrap around trouble |
| 58 | |
| 59 | // ---------------------------------------------------------------------------- |
| 60 | // wxSpinCtrlTextGeneric: text control used by spin control |
| 61 | // ---------------------------------------------------------------------------- |
| 62 | |
| 63 | class wxSpinCtrlTextGeneric : public wxTextCtrl |
| 64 | { |
| 65 | public: |
| 66 | wxSpinCtrlTextGeneric(wxSpinCtrlGenericBase *spin, const wxString& value, long style=0) |
| 67 | : wxTextCtrl(spin, wxID_ANY, value, wxDefaultPosition, wxDefaultSize, |
| 68 | // This is tricky: we want to honour any alignment flags |
| 69 | // but not wxALIGN_CENTER_VERTICAL because it's the same |
| 70 | // as wxTE_PASSWORD and we definitely don't want to show |
| 71 | // asterisks in spin control. |
| 72 | style & (wxALIGN_MASK | wxTE_PROCESS_ENTER) & ~wxTE_PASSWORD) |
| 73 | { |
| 74 | m_spin = spin; |
| 75 | |
| 76 | // remove the default minsize, the spinctrl will have one instead |
| 77 | SetSizeHints(wxDefaultCoord, wxDefaultCoord); |
| 78 | } |
| 79 | |
| 80 | virtual ~wxSpinCtrlTextGeneric() |
| 81 | { |
| 82 | // MSW sends extra kill focus event on destroy |
| 83 | if (m_spin) |
| 84 | m_spin->m_textCtrl = NULL; |
| 85 | |
| 86 | m_spin = NULL; |
| 87 | } |
| 88 | |
| 89 | void OnChar( wxKeyEvent &event ) |
| 90 | { |
| 91 | if ( !m_spin->ProcessWindowEvent(event) ) |
| 92 | event.Skip(); |
| 93 | } |
| 94 | |
| 95 | void OnTextEvent(wxCommandEvent& event) |
| 96 | { |
| 97 | wxCommandEvent eventCopy(event); |
| 98 | eventCopy.SetEventObject(m_spin); |
| 99 | eventCopy.SetId(m_spin->GetId()); |
| 100 | m_spin->ProcessWindowEvent(eventCopy); |
| 101 | } |
| 102 | |
| 103 | void OnKillFocus(wxFocusEvent& event) |
| 104 | { |
| 105 | if (m_spin) |
| 106 | m_spin->ProcessWindowEvent(event); |
| 107 | |
| 108 | event.Skip(); |
| 109 | } |
| 110 | |
| 111 | wxSpinCtrlGenericBase *m_spin; |
| 112 | |
| 113 | private: |
| 114 | DECLARE_EVENT_TABLE() |
| 115 | }; |
| 116 | |
| 117 | BEGIN_EVENT_TABLE(wxSpinCtrlTextGeneric, wxTextCtrl) |
| 118 | EVT_CHAR(wxSpinCtrlTextGeneric::OnChar) |
| 119 | |
| 120 | // Forward the text events to wxSpinCtrl itself adjusting them slightly in |
| 121 | // the process. |
| 122 | EVT_TEXT(wxID_ANY, wxSpinCtrlTextGeneric::OnTextEvent) |
| 123 | |
| 124 | // And we need to forward this one too as wxSpinCtrl is supposed to |
| 125 | // generate it if wxTE_PROCESS_ENTER is used with it (and if it isn't, |
| 126 | // we're never going to get EVT_TEXT_ENTER in the first place). |
| 127 | EVT_TEXT_ENTER(wxID_ANY, wxSpinCtrlTextGeneric::OnTextEvent) |
| 128 | |
| 129 | EVT_KILL_FOCUS(wxSpinCtrlTextGeneric::OnKillFocus) |
| 130 | END_EVENT_TABLE() |
| 131 | |
| 132 | // ---------------------------------------------------------------------------- |
| 133 | // wxSpinCtrlButtonGeneric: spin button used by spin control |
| 134 | // ---------------------------------------------------------------------------- |
| 135 | |
| 136 | class wxSpinCtrlButtonGeneric : public wxSpinButton |
| 137 | { |
| 138 | public: |
| 139 | wxSpinCtrlButtonGeneric(wxSpinCtrlGenericBase *spin, int style) |
| 140 | : wxSpinButton(spin, wxID_ANY, wxDefaultPosition, |
| 141 | wxDefaultSize, style | wxSP_VERTICAL) |
| 142 | { |
| 143 | m_spin = spin; |
| 144 | |
| 145 | SetRange(-SPINCTRLBUT_MAX, SPINCTRLBUT_MAX); |
| 146 | |
| 147 | // remove the default minsize, the spinctrl will have one instead |
| 148 | SetSizeHints(wxDefaultCoord, wxDefaultCoord); |
| 149 | } |
| 150 | |
| 151 | void OnSpinButton(wxSpinEvent& event) |
| 152 | { |
| 153 | if (m_spin) |
| 154 | m_spin->OnSpinButton(event); |
| 155 | } |
| 156 | |
| 157 | wxSpinCtrlGenericBase *m_spin; |
| 158 | |
| 159 | private: |
| 160 | DECLARE_EVENT_TABLE() |
| 161 | }; |
| 162 | |
| 163 | BEGIN_EVENT_TABLE(wxSpinCtrlButtonGeneric, wxSpinButton) |
| 164 | EVT_SPIN_UP( wxID_ANY, wxSpinCtrlButtonGeneric::OnSpinButton) |
| 165 | EVT_SPIN_DOWN(wxID_ANY, wxSpinCtrlButtonGeneric::OnSpinButton) |
| 166 | END_EVENT_TABLE() |
| 167 | |
| 168 | // ============================================================================ |
| 169 | // wxSpinCtrlGenericBase |
| 170 | // ============================================================================ |
| 171 | |
| 172 | // ---------------------------------------------------------------------------- |
| 173 | // wxSpinCtrlGenericBase creation |
| 174 | // ---------------------------------------------------------------------------- |
| 175 | |
| 176 | void wxSpinCtrlGenericBase::Init() |
| 177 | { |
| 178 | m_value = 0; |
| 179 | m_min = 0; |
| 180 | m_max = 100; |
| 181 | m_increment = 1; |
| 182 | m_snap_to_ticks = false; |
| 183 | |
| 184 | m_spin_value = 0; |
| 185 | |
| 186 | m_textCtrl = NULL; |
| 187 | m_spinButton = NULL; |
| 188 | } |
| 189 | |
| 190 | bool wxSpinCtrlGenericBase::Create(wxWindow *parent, |
| 191 | wxWindowID id, |
| 192 | const wxString& value, |
| 193 | const wxPoint& pos, const wxSize& size, |
| 194 | long style, |
| 195 | double min, double max, double initial, |
| 196 | double increment, |
| 197 | const wxString& name) |
| 198 | { |
| 199 | // don't use borders for this control itself, it wouldn't look good with |
| 200 | // the text control borders (but we might want to use style border bits to |
| 201 | // select the text control style) |
| 202 | if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, |
| 203 | (style & ~wxBORDER_MASK) | wxBORDER_NONE, |
| 204 | wxDefaultValidator, name) ) |
| 205 | { |
| 206 | return false; |
| 207 | } |
| 208 | |
| 209 | m_value = initial; |
| 210 | m_min = min; |
| 211 | m_max = max; |
| 212 | m_increment = increment; |
| 213 | |
| 214 | m_textCtrl = new wxSpinCtrlTextGeneric(this, value, style); |
| 215 | m_spinButton = new wxSpinCtrlButtonGeneric(this, style); |
| 216 | |
| 217 | #if wxUSE_TOOLTIPS |
| 218 | m_textCtrl->SetToolTip(GetToolTipText()); |
| 219 | m_spinButton->SetToolTip(GetToolTipText()); |
| 220 | #endif // wxUSE_TOOLTIPS |
| 221 | |
| 222 | m_spin_value = m_spinButton->GetValue(); |
| 223 | |
| 224 | // the string value overrides the numeric one (for backwards compatibility |
| 225 | // reasons and also because it is simpler to satisfy the string value which |
| 226 | // comes much sooner in the list of arguments and leave the initial |
| 227 | // parameter unspecified) |
| 228 | if ( !value.empty() ) |
| 229 | { |
| 230 | double d; |
| 231 | if ( DoTextToValue(value, &d) ) |
| 232 | { |
| 233 | m_value = d; |
| 234 | m_textCtrl->SetValue(DoValueToText(m_value)); |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | SetInitialSize(size); |
| 239 | Move(pos); |
| 240 | |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | wxSpinCtrlGenericBase::~wxSpinCtrlGenericBase() |
| 245 | { |
| 246 | // delete the controls now, don't leave them alive even though they would |
| 247 | // still be eventually deleted by our parent - but it will be too late, the |
| 248 | // user code expects them to be gone now |
| 249 | |
| 250 | if (m_textCtrl) |
| 251 | { |
| 252 | // null this since MSW sends KILL_FOCUS on deletion, see ~wxSpinCtrlTextGeneric |
| 253 | wxDynamicCast(m_textCtrl, wxSpinCtrlTextGeneric)->m_spin = NULL; |
| 254 | |
| 255 | wxSpinCtrlTextGeneric *text = (wxSpinCtrlTextGeneric*)m_textCtrl; |
| 256 | m_textCtrl = NULL; |
| 257 | delete text; |
| 258 | } |
| 259 | |
| 260 | wxDELETE(m_spinButton); |
| 261 | } |
| 262 | |
| 263 | wxWindowList wxSpinCtrlGenericBase::GetCompositeWindowParts() const |
| 264 | { |
| 265 | wxWindowList parts; |
| 266 | parts.push_back(m_textCtrl); |
| 267 | parts.push_back(m_spinButton); |
| 268 | return parts; |
| 269 | } |
| 270 | |
| 271 | // ---------------------------------------------------------------------------- |
| 272 | // geometry |
| 273 | // ---------------------------------------------------------------------------- |
| 274 | |
| 275 | wxSize wxSpinCtrlGenericBase::DoGetBestSize() const |
| 276 | { |
| 277 | return DoGetSizeFromTextSize(m_textCtrl->GetBestSize().x, -1); |
| 278 | } |
| 279 | |
| 280 | wxSize wxSpinCtrlGenericBase::DoGetSizeFromTextSize(int xlen, int ylen) const |
| 281 | { |
| 282 | wxSize sizeBtn = m_spinButton->GetBestSize(); |
| 283 | wxSize totalS( m_textCtrl->GetBestSize() ); |
| 284 | |
| 285 | wxSize tsize(xlen + sizeBtn.x + MARGIN, totalS.y); |
| 286 | #if defined(__WXMSW__) |
| 287 | tsize.IncBy(0.4 * totalS.y + 4, 0); |
| 288 | #elif defined(__WXGTK__) |
| 289 | tsize.IncBy(totalS.y + 10, 0); |
| 290 | #endif // MSW GTK |
| 291 | |
| 292 | // Check if the user requested a non-standard height. |
| 293 | if ( ylen > 0 ) |
| 294 | tsize.IncBy(0, ylen - GetCharHeight()); |
| 295 | |
| 296 | return tsize; |
| 297 | } |
| 298 | |
| 299 | void wxSpinCtrlGenericBase::DoMoveWindow(int x, int y, int width, int height) |
| 300 | { |
| 301 | wxControl::DoMoveWindow(x, y, width, height); |
| 302 | |
| 303 | // position the subcontrols inside the client area |
| 304 | wxSize sizeBtn = m_spinButton->GetSize(); |
| 305 | |
| 306 | wxCoord wText = width - sizeBtn.x - MARGIN; |
| 307 | m_textCtrl->SetSize(0, 0, wText, height); |
| 308 | m_spinButton->SetSize(0 + wText + MARGIN, 0, wxDefaultCoord, height); |
| 309 | } |
| 310 | |
| 311 | // ---------------------------------------------------------------------------- |
| 312 | // operations forwarded to the subcontrols |
| 313 | // ---------------------------------------------------------------------------- |
| 314 | |
| 315 | void wxSpinCtrlGenericBase::SetFocus() |
| 316 | { |
| 317 | if ( m_textCtrl ) |
| 318 | m_textCtrl->SetFocus(); |
| 319 | } |
| 320 | |
| 321 | #ifdef __WXMSW__ |
| 322 | |
| 323 | void wxSpinCtrlGenericBase::DoEnable(bool enable) |
| 324 | { |
| 325 | wxSpinCtrlBase::DoEnable(enable); |
| 326 | } |
| 327 | |
| 328 | #endif // __WXMSW__ |
| 329 | |
| 330 | bool wxSpinCtrlGenericBase::Enable(bool enable) |
| 331 | { |
| 332 | if ( !wxSpinCtrlBase::Enable(enable) ) |
| 333 | return false; |
| 334 | |
| 335 | m_spinButton->Enable(enable); |
| 336 | m_textCtrl->Enable(enable); |
| 337 | |
| 338 | return true; |
| 339 | } |
| 340 | |
| 341 | bool wxSpinCtrlGenericBase::Show(bool show) |
| 342 | { |
| 343 | if ( !wxControl::Show(show) ) |
| 344 | return false; |
| 345 | |
| 346 | // under GTK Show() is called the first time before we are fully |
| 347 | // constructed |
| 348 | if ( m_spinButton ) |
| 349 | { |
| 350 | m_spinButton->Show(show); |
| 351 | m_textCtrl->Show(show); |
| 352 | } |
| 353 | |
| 354 | return true; |
| 355 | } |
| 356 | |
| 357 | #if wxUSE_TOOLTIPS |
| 358 | void wxSpinCtrlGenericBase::DoSetToolTip(wxToolTip *tip) |
| 359 | { |
| 360 | // Notice that we must check for the subcontrols not being NULL (as they |
| 361 | // could be if we were created with the default ctor and this is called |
| 362 | // before Create() for some reason) and that we can't call SetToolTip(tip) |
| 363 | // because this would take ownership of the wxToolTip object (twice). |
| 364 | if ( m_textCtrl ) |
| 365 | { |
| 366 | if ( tip ) |
| 367 | m_textCtrl->SetToolTip(tip->GetTip()); |
| 368 | else |
| 369 | m_textCtrl->SetToolTip(NULL); |
| 370 | } |
| 371 | |
| 372 | if ( m_spinButton ) |
| 373 | { |
| 374 | if( tip ) |
| 375 | m_spinButton->SetToolTip(tip->GetTip()); |
| 376 | else |
| 377 | m_spinButton->SetToolTip(NULL); |
| 378 | } |
| 379 | |
| 380 | wxWindowBase::DoSetToolTip(tip); |
| 381 | } |
| 382 | #endif // wxUSE_TOOLTIPS |
| 383 | |
| 384 | bool wxSpinCtrlGenericBase::SetBackgroundColour(const wxColour& colour) |
| 385 | { |
| 386 | // We need to provide this otherwise the entire composite window |
| 387 | // background and therefore the between component spaces |
| 388 | // will be changed. |
| 389 | if ( m_textCtrl ) |
| 390 | return m_textCtrl->SetBackgroundColour(colour); |
| 391 | |
| 392 | return true; |
| 393 | } |
| 394 | |
| 395 | // ---------------------------------------------------------------------------- |
| 396 | // Handle sub controls events |
| 397 | // ---------------------------------------------------------------------------- |
| 398 | |
| 399 | BEGIN_EVENT_TABLE(wxSpinCtrlGenericBase, wxSpinCtrlBase) |
| 400 | EVT_CHAR(wxSpinCtrlGenericBase::OnTextChar) |
| 401 | EVT_KILL_FOCUS(wxSpinCtrlGenericBase::OnTextLostFocus) |
| 402 | END_EVENT_TABLE() |
| 403 | |
| 404 | void wxSpinCtrlGenericBase::OnSpinButton(wxSpinEvent& event) |
| 405 | { |
| 406 | event.Skip(); |
| 407 | |
| 408 | // Sync the textctrl since the user expects that the button will modify |
| 409 | // what they see in the textctrl. |
| 410 | SyncSpinToText(); |
| 411 | |
| 412 | int spin_value = event.GetPosition(); |
| 413 | double step = (event.GetEventType() == wxEVT_SCROLL_LINEUP) ? 1 : -1; |
| 414 | |
| 415 | // Use the spinbutton's acceleration, if any, but not if wrapping around |
| 416 | if (((spin_value >= 0) && (m_spin_value >= 0)) || ((spin_value <= 0) && (m_spin_value <= 0))) |
| 417 | step *= abs(spin_value - m_spin_value); |
| 418 | |
| 419 | double value = AdjustToFitInRange(m_value + step*m_increment); |
| 420 | |
| 421 | // Ignore the edges when it wraps since the up/down event may be opposite |
| 422 | // They are in GTK and Mac |
| 423 | if (abs(spin_value - m_spin_value) > SPINCTRLBUT_MAX) |
| 424 | { |
| 425 | m_spin_value = spin_value; |
| 426 | return; |
| 427 | } |
| 428 | |
| 429 | m_spin_value = spin_value; |
| 430 | |
| 431 | if ( DoSetValue(value) ) |
| 432 | DoSendEvent(); |
| 433 | } |
| 434 | |
| 435 | void wxSpinCtrlGenericBase::OnTextLostFocus(wxFocusEvent& event) |
| 436 | { |
| 437 | SyncSpinToText(); |
| 438 | DoSendEvent(); |
| 439 | |
| 440 | event.Skip(); |
| 441 | } |
| 442 | |
| 443 | void wxSpinCtrlGenericBase::OnTextChar(wxKeyEvent& event) |
| 444 | { |
| 445 | if ( !HasFlag(wxSP_ARROW_KEYS) ) |
| 446 | { |
| 447 | event.Skip(); |
| 448 | return; |
| 449 | } |
| 450 | |
| 451 | double value = m_value; |
| 452 | switch ( event.GetKeyCode() ) |
| 453 | { |
| 454 | case WXK_UP : |
| 455 | value += m_increment; |
| 456 | break; |
| 457 | |
| 458 | case WXK_DOWN : |
| 459 | value -= m_increment; |
| 460 | break; |
| 461 | |
| 462 | case WXK_PAGEUP : |
| 463 | value += m_increment * 10.0; |
| 464 | break; |
| 465 | |
| 466 | case WXK_PAGEDOWN : |
| 467 | value -= m_increment * 10.0; |
| 468 | break; |
| 469 | |
| 470 | default: |
| 471 | event.Skip(); |
| 472 | return; |
| 473 | } |
| 474 | |
| 475 | value = AdjustToFitInRange(value); |
| 476 | |
| 477 | SyncSpinToText(); |
| 478 | |
| 479 | if ( DoSetValue(value) ) |
| 480 | DoSendEvent(); |
| 481 | } |
| 482 | |
| 483 | // ---------------------------------------------------------------------------- |
| 484 | // Textctrl functions |
| 485 | // ---------------------------------------------------------------------------- |
| 486 | |
| 487 | bool wxSpinCtrlGenericBase::SyncSpinToText() |
| 488 | { |
| 489 | if ( !m_textCtrl || !m_textCtrl->IsModified() ) |
| 490 | return false; |
| 491 | |
| 492 | double textValue; |
| 493 | if ( DoTextToValue(m_textCtrl->GetValue(), &textValue) ) |
| 494 | { |
| 495 | if (textValue > m_max) |
| 496 | textValue = m_max; |
| 497 | else if (textValue < m_min) |
| 498 | textValue = m_min; |
| 499 | } |
| 500 | else // text contents is not a valid number at all |
| 501 | { |
| 502 | // replace its contents with the last valid value |
| 503 | textValue = m_value; |
| 504 | } |
| 505 | |
| 506 | // we must always set the value here, even if it's equal to m_value, as |
| 507 | // otherwise we could be left with an out of range value when leaving the |
| 508 | // text control and the current value is already m_max for example |
| 509 | return DoSetValue(textValue); |
| 510 | } |
| 511 | |
| 512 | // ---------------------------------------------------------------------------- |
| 513 | // changing value and range |
| 514 | // ---------------------------------------------------------------------------- |
| 515 | |
| 516 | void wxSpinCtrlGenericBase::SetValue(const wxString& text) |
| 517 | { |
| 518 | wxCHECK_RET( m_textCtrl, wxT("invalid call to wxSpinCtrl::SetValue") ); |
| 519 | |
| 520 | double val; |
| 521 | if ( DoTextToValue(text, &val) && InRange(val) ) |
| 522 | { |
| 523 | DoSetValue(val); |
| 524 | } |
| 525 | else // not a number at all or out of range |
| 526 | { |
| 527 | m_textCtrl->SetValue(text); |
| 528 | m_textCtrl->SelectAll(); |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | bool wxSpinCtrlGenericBase::DoSetValue(double val) |
| 533 | { |
| 534 | wxCHECK_MSG( m_textCtrl, false, wxT("invalid call to wxSpinCtrl::SetValue") ); |
| 535 | |
| 536 | if (!InRange(val)) |
| 537 | return false; |
| 538 | |
| 539 | if ( m_snap_to_ticks && (m_increment != 0) ) |
| 540 | { |
| 541 | double snap_value = val / m_increment; |
| 542 | |
| 543 | if (wxFinite(snap_value)) // FIXME what to do about a failure? |
| 544 | { |
| 545 | if ((snap_value - floor(snap_value)) < (ceil(snap_value) - snap_value)) |
| 546 | val = floor(snap_value) * m_increment; |
| 547 | else |
| 548 | val = ceil(snap_value) * m_increment; |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | wxString str(DoValueToText(val)); |
| 553 | |
| 554 | if ((val != m_value) || (str != m_textCtrl->GetValue())) |
| 555 | { |
| 556 | if ( !DoTextToValue(str, &m_value ) ) // wysiwyg for textctrl |
| 557 | m_value = val; |
| 558 | m_textCtrl->SetValue( str ); |
| 559 | m_textCtrl->SelectAll(); |
| 560 | m_textCtrl->DiscardEdits(); |
| 561 | return true; |
| 562 | } |
| 563 | |
| 564 | return false; |
| 565 | } |
| 566 | |
| 567 | double wxSpinCtrlGenericBase::AdjustToFitInRange(double value) const |
| 568 | { |
| 569 | if (value < m_min) |
| 570 | value = HasFlag(wxSP_WRAP) ? m_max : m_min; |
| 571 | if (value > m_max) |
| 572 | value = HasFlag(wxSP_WRAP) ? m_min : m_max; |
| 573 | |
| 574 | return value; |
| 575 | } |
| 576 | |
| 577 | void wxSpinCtrlGenericBase::DoSetRange(double min, double max) |
| 578 | { |
| 579 | m_min = min; |
| 580 | m_max = max; |
| 581 | } |
| 582 | |
| 583 | void wxSpinCtrlGenericBase::DoSetIncrement(double inc) |
| 584 | { |
| 585 | m_increment = inc; |
| 586 | } |
| 587 | |
| 588 | void wxSpinCtrlGenericBase::SetSnapToTicks(bool snap_to_ticks) |
| 589 | { |
| 590 | m_snap_to_ticks = snap_to_ticks; |
| 591 | DoSetValue(m_value); |
| 592 | } |
| 593 | |
| 594 | void wxSpinCtrlGenericBase::SetSelection(long from, long to) |
| 595 | { |
| 596 | wxCHECK_RET( m_textCtrl, wxT("invalid call to wxSpinCtrl::SetSelection") ); |
| 597 | |
| 598 | m_textCtrl->SetSelection(from, to); |
| 599 | } |
| 600 | |
| 601 | #ifndef wxHAS_NATIVE_SPINCTRL |
| 602 | |
| 603 | //----------------------------------------------------------------------------- |
| 604 | // wxSpinCtrl |
| 605 | //----------------------------------------------------------------------------- |
| 606 | |
| 607 | bool wxSpinCtrl::SetBase(int base) |
| 608 | { |
| 609 | // Currently we only support base 10 and 16. We could add support for base |
| 610 | // 8 quite easily but wxMSW doesn't support it natively so don't bother. |
| 611 | if ( base != 10 && base != 16 ) |
| 612 | return false; |
| 613 | |
| 614 | if ( base == m_base ) |
| 615 | return true; |
| 616 | |
| 617 | // Update the current control contents to show in the new base: be careful |
| 618 | // to call DoTextToValue() before changing the base... |
| 619 | double val; |
| 620 | const bool hasValidVal = DoTextToValue(m_textCtrl->GetValue(), &val); |
| 621 | |
| 622 | m_base = base; |
| 623 | |
| 624 | // ... but DoValueToText() after doing it. |
| 625 | if ( hasValidVal ) |
| 626 | m_textCtrl->SetValue(DoValueToText(val)); |
| 627 | |
| 628 | return true; |
| 629 | } |
| 630 | |
| 631 | void wxSpinCtrl::DoSendEvent() |
| 632 | { |
| 633 | wxSpinEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, GetId()); |
| 634 | event.SetEventObject( this ); |
| 635 | event.SetPosition((int)(m_value + 0.5)); // FIXME should be SetValue |
| 636 | event.SetString(m_textCtrl->GetValue()); |
| 637 | GetEventHandler()->ProcessEvent( event ); |
| 638 | } |
| 639 | |
| 640 | bool wxSpinCtrl::DoTextToValue(const wxString& text, double *val) |
| 641 | { |
| 642 | long lval; |
| 643 | if ( !text.ToLong(&lval, GetBase()) ) |
| 644 | return false; |
| 645 | |
| 646 | *val = static_cast<double>(lval); |
| 647 | |
| 648 | return true; |
| 649 | } |
| 650 | |
| 651 | wxString wxSpinCtrl::DoValueToText(double val) |
| 652 | { |
| 653 | switch ( GetBase() ) |
| 654 | { |
| 655 | case 16: |
| 656 | return wxPrivate::wxSpinCtrlFormatAsHex(static_cast<long>(val), |
| 657 | GetMax()); |
| 658 | |
| 659 | default: |
| 660 | wxFAIL_MSG( wxS("Unsupported spin control base") ); |
| 661 | // Fall through |
| 662 | |
| 663 | case 10: |
| 664 | return wxString::Format("%ld", static_cast<long>(val)); |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | #endif // !wxHAS_NATIVE_SPINCTRL |
| 669 | |
| 670 | //----------------------------------------------------------------------------- |
| 671 | // wxSpinCtrlDouble |
| 672 | //----------------------------------------------------------------------------- |
| 673 | |
| 674 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrlDouble, wxSpinCtrlGenericBase) |
| 675 | |
| 676 | void wxSpinCtrlDouble::DoSendEvent() |
| 677 | { |
| 678 | wxSpinDoubleEvent event( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, GetId()); |
| 679 | event.SetEventObject( this ); |
| 680 | event.SetValue(m_value); |
| 681 | event.SetString(m_textCtrl->GetValue()); |
| 682 | GetEventHandler()->ProcessEvent( event ); |
| 683 | } |
| 684 | |
| 685 | bool wxSpinCtrlDouble::DoTextToValue(const wxString& text, double *val) |
| 686 | { |
| 687 | return text.ToDouble(val); |
| 688 | } |
| 689 | |
| 690 | wxString wxSpinCtrlDouble::DoValueToText(double val) |
| 691 | { |
| 692 | return wxString::Format(m_format, val); |
| 693 | } |
| 694 | |
| 695 | void wxSpinCtrlDouble::SetDigits(unsigned digits) |
| 696 | { |
| 697 | wxCHECK_RET( digits <= 20, "too many digits for wxSpinCtrlDouble" ); |
| 698 | |
| 699 | if ( digits == m_digits ) |
| 700 | return; |
| 701 | |
| 702 | m_digits = digits; |
| 703 | |
| 704 | m_format.Printf(wxT("%%0.%ulf"), digits); |
| 705 | |
| 706 | DoSetValue(m_value); |
| 707 | } |
| 708 | |
| 709 | #endif // wxUSE_SPINBTN |
| 710 | |
| 711 | #endif // !wxPort-with-native-spinctrl |
| 712 | |
| 713 | #endif // wxUSE_SPINCTRL |