| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/osx/carbon/spinbutt.cpp |
| 3 | // Purpose: wxSpinCtrl |
| 4 | // Author: Robert |
| 5 | // Modified by: Mark Newsam (Based on GTK file) |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) Robert Roebling |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | #include "wx/wxprec.h" |
| 12 | |
| 13 | #if wxUSE_SPINCTRL |
| 14 | |
| 15 | #include "wx/spinctrl.h" |
| 16 | |
| 17 | #ifndef WX_PRECOMP |
| 18 | #include "wx/textctrl.h" |
| 19 | #include "wx/containr.h" |
| 20 | #endif |
| 21 | |
| 22 | #include "wx/spinbutt.h" |
| 23 | |
| 24 | // ---------------------------------------------------------------------------- |
| 25 | // constants |
| 26 | // ---------------------------------------------------------------------------- |
| 27 | |
| 28 | // the focus rect around a text may have 4 pixels in each direction |
| 29 | // we handle these problems right now in an extended vis region of a window |
| 30 | static const wxCoord TEXTBORDER = 4 ; |
| 31 | // the margin between the text control and the spin |
| 32 | // HIG says 2px between text and stepper control, |
| 33 | // but a value of 3 leads to the same look as the |
| 34 | // spin controls in Apple's apps |
| 35 | static const wxCoord MARGIN = 3; |
| 36 | |
| 37 | // ---------------------------------------------------------------------------- |
| 38 | // wxSpinCtrlText: text control used by spin control |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | |
| 41 | class wxSpinCtrlText : public wxTextCtrl |
| 42 | { |
| 43 | public: |
| 44 | wxSpinCtrlText(wxSpinCtrl *spin, const wxString& value, int style) |
| 45 | : wxTextCtrl(spin , wxID_ANY, value, wxDefaultPosition, wxSize(40, wxDefaultCoord), style ) |
| 46 | { |
| 47 | m_spin = spin; |
| 48 | |
| 49 | // remove the default minsize, the spinctrl will have one instead |
| 50 | SetMinSize(wxDefaultSize); |
| 51 | } |
| 52 | |
| 53 | bool ProcessEvent(wxEvent &event) |
| 54 | { |
| 55 | // Hand button down events to wxSpinCtrl. Doesn't work. |
| 56 | if (event.GetEventType() == wxEVT_LEFT_DOWN && m_spin->ProcessEvent( event )) |
| 57 | return true; |
| 58 | |
| 59 | return wxTextCtrl::ProcessEvent( event ); |
| 60 | } |
| 61 | |
| 62 | protected: |
| 63 | void OnSetFocus(wxFocusEvent& event) |
| 64 | { |
| 65 | // delegate to parent control |
| 66 | event.SetEventObject( GetParent() ); |
| 67 | GetParent()->HandleWindowEvent(event); |
| 68 | } |
| 69 | |
| 70 | void OnKillFocus(wxFocusEvent& event) |
| 71 | { |
| 72 | long l; |
| 73 | if ( !GetValue().ToLong(&l) ) |
| 74 | { |
| 75 | // not a number at all |
| 76 | return; |
| 77 | } |
| 78 | |
| 79 | // is within range |
| 80 | if (l < m_spin->GetMin()) |
| 81 | l = m_spin->GetMin(); |
| 82 | if (l > m_spin->GetMax()) |
| 83 | l = m_spin->GetMax(); |
| 84 | |
| 85 | // Update text control |
| 86 | wxString str; |
| 87 | str.Printf( wxT("%d"), (int)l ); |
| 88 | if (str != GetValue()) |
| 89 | SetValue( str ); |
| 90 | |
| 91 | if (l != m_spin->m_oldValue) |
| 92 | { |
| 93 | // set value in spin button |
| 94 | // does that trigger an event? |
| 95 | m_spin->m_btn->SetValue( l ); |
| 96 | |
| 97 | // if not |
| 98 | wxCommandEvent cevent(wxEVT_COMMAND_SPINCTRL_UPDATED, m_spin->GetId()); |
| 99 | cevent.SetEventObject(m_spin); |
| 100 | cevent.SetInt(l); |
| 101 | m_spin->HandleWindowEvent(cevent); |
| 102 | |
| 103 | m_spin->m_oldValue = l; |
| 104 | } |
| 105 | |
| 106 | // delegate to parent control |
| 107 | event.SetEventObject( GetParent() ); |
| 108 | GetParent()->HandleWindowEvent(event); |
| 109 | } |
| 110 | |
| 111 | void OnTextChange(wxCommandEvent& event) |
| 112 | { |
| 113 | int val; |
| 114 | if ( m_spin->GetTextValue(&val) ) |
| 115 | { |
| 116 | m_spin->GetSpinButton()->SetValue(val); |
| 117 | |
| 118 | // If we're already processing a text update from m_spin, |
| 119 | // don't send it again, since we could end up recursing |
| 120 | // infinitely. |
| 121 | if (event.GetId() == m_spin->GetId()) |
| 122 | { |
| 123 | event.Skip(); |
| 124 | return; |
| 125 | } |
| 126 | |
| 127 | // Send event that the text was manually changed |
| 128 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_spin->GetId()); |
| 129 | event.SetEventObject(m_spin); |
| 130 | event.SetString(m_spin->GetText()->GetValue()); |
| 131 | event.SetInt(val); |
| 132 | |
| 133 | m_spin->HandleWindowEvent(event); |
| 134 | } |
| 135 | |
| 136 | event.Skip(); |
| 137 | } |
| 138 | |
| 139 | private: |
| 140 | wxSpinCtrl *m_spin; |
| 141 | |
| 142 | DECLARE_EVENT_TABLE() |
| 143 | }; |
| 144 | |
| 145 | BEGIN_EVENT_TABLE(wxSpinCtrlText, wxTextCtrl) |
| 146 | EVT_TEXT(wxID_ANY, wxSpinCtrlText::OnTextChange) |
| 147 | EVT_SET_FOCUS(wxSpinCtrlText::OnSetFocus) |
| 148 | EVT_KILL_FOCUS(wxSpinCtrlText::OnKillFocus) |
| 149 | END_EVENT_TABLE() |
| 150 | |
| 151 | // ---------------------------------------------------------------------------- |
| 152 | // wxSpinCtrlButton: spin button used by spin control |
| 153 | // ---------------------------------------------------------------------------- |
| 154 | |
| 155 | class wxSpinCtrlButton : public wxSpinButton |
| 156 | { |
| 157 | public: |
| 158 | wxSpinCtrlButton(wxSpinCtrl *spin, int style) |
| 159 | : wxSpinButton(spin ) |
| 160 | { |
| 161 | m_spin = spin; |
| 162 | SetWindowStyle(style | wxSP_VERTICAL); |
| 163 | |
| 164 | // TODO: The spin button gets truncated a little bit due to size |
| 165 | // differences so change it's default size a bit. SMALL still gets a |
| 166 | // bit truncated, but MINI seems to be too small... Readdress this |
| 167 | // when the textctrl issues are all sorted out. |
| 168 | //SetWindowVariant(wxWINDOW_VARIANT_SMALL); |
| 169 | |
| 170 | // remove the default minsize, the spinctrl will have one instead |
| 171 | SetMinSize(wxDefaultSize); |
| 172 | } |
| 173 | |
| 174 | protected: |
| 175 | void OnSpinButton(wxSpinEvent& eventSpin) |
| 176 | { |
| 177 | int pos = eventSpin.GetPosition(); |
| 178 | m_spin->SetTextValue(pos); |
| 179 | |
| 180 | wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, m_spin->GetId()); |
| 181 | event.SetEventObject(m_spin); |
| 182 | event.SetInt(pos); |
| 183 | |
| 184 | m_spin->HandleWindowEvent(event); |
| 185 | |
| 186 | m_spin->m_oldValue = pos; |
| 187 | } |
| 188 | |
| 189 | private: |
| 190 | wxSpinCtrl *m_spin; |
| 191 | |
| 192 | DECLARE_EVENT_TABLE() |
| 193 | }; |
| 194 | |
| 195 | BEGIN_EVENT_TABLE(wxSpinCtrlButton, wxSpinButton) |
| 196 | EVT_SPIN(wxID_ANY, wxSpinCtrlButton::OnSpinButton) |
| 197 | END_EVENT_TABLE() |
| 198 | |
| 199 | BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl) |
| 200 | WX_EVENT_TABLE_CONTROL_CONTAINER(wxSpinCtrl) |
| 201 | END_EVENT_TABLE() |
| 202 | |
| 203 | WX_DELEGATE_TO_CONTROL_CONTAINER(wxSpinCtrl, wxControl) |
| 204 | |
| 205 | |
| 206 | // ============================================================================ |
| 207 | // implementation |
| 208 | // ============================================================================ |
| 209 | |
| 210 | // ---------------------------------------------------------------------------- |
| 211 | // wxSpinCtrl creation |
| 212 | // ---------------------------------------------------------------------------- |
| 213 | |
| 214 | void wxSpinCtrl::Init() |
| 215 | { |
| 216 | m_text = NULL; |
| 217 | m_btn = NULL; |
| 218 | WX_INIT_CONTROL_CONTAINER(); |
| 219 | } |
| 220 | |
| 221 | bool wxSpinCtrl::Create(wxWindow *parent, |
| 222 | wxWindowID id, |
| 223 | const wxString& value, |
| 224 | const wxPoint& pos, |
| 225 | const wxSize& size, |
| 226 | long style, |
| 227 | int min, |
| 228 | int max, |
| 229 | int initial, |
| 230 | const wxString& name) |
| 231 | { |
| 232 | m_macIsUserPane = true; |
| 233 | if ( !wxControl::Create(parent, id, pos, size, style, |
| 234 | wxDefaultValidator, name) ) |
| 235 | { |
| 236 | return false; |
| 237 | } |
| 238 | |
| 239 | // the string value overrides the numeric one (for backwards compatibility |
| 240 | // reasons and also because it is simpler to satisfy the string value which |
| 241 | // comes much sooner in the list of arguments and leave the initial |
| 242 | // parameter unspecified) |
| 243 | if ( !value.empty() ) |
| 244 | { |
| 245 | long l; |
| 246 | if ( value.ToLong(&l) ) |
| 247 | initial = l; |
| 248 | } |
| 249 | |
| 250 | wxSize csize = size ; |
| 251 | m_text = new wxSpinCtrlText(this, value, style & ( wxTE_PROCESS_ENTER | wxALIGN_MASK ) ); |
| 252 | m_btn = new wxSpinCtrlButton(this, style); |
| 253 | |
| 254 | m_btn->SetRange(min, max); |
| 255 | m_btn->SetValue(initial); |
| 256 | // make it different |
| 257 | m_oldValue = GetMin()-1; |
| 258 | |
| 259 | if ( size.x == wxDefaultCoord ){ |
| 260 | csize.x = m_text->GetSize().x + MARGIN + m_btn->GetSize().x ; |
| 261 | } |
| 262 | |
| 263 | if ( size.y == wxDefaultCoord ) { |
| 264 | csize.y = m_text->GetSize().y + 2 * TEXTBORDER ; //allow for text border highlights |
| 265 | if ( m_btn->GetSize().y > csize.y ) |
| 266 | csize.y = m_btn->GetSize().y ; |
| 267 | } |
| 268 | |
| 269 | //SetSize(csize); |
| 270 | |
| 271 | //MacPostControlCreate(pos, csize); |
| 272 | SetInitialSize(csize); |
| 273 | |
| 274 | return true; |
| 275 | } |
| 276 | |
| 277 | wxSpinCtrl::~wxSpinCtrl() |
| 278 | { |
| 279 | // delete the controls now, don't leave them alive even though they would |
| 280 | // still be eventually deleted by our parent - but it will be too late, the |
| 281 | // user code expects them to be gone now |
| 282 | wxDELETE(m_text); |
| 283 | wxDELETE(m_btn); |
| 284 | } |
| 285 | |
| 286 | // ---------------------------------------------------------------------------- |
| 287 | // geometry |
| 288 | // ---------------------------------------------------------------------------- |
| 289 | |
| 290 | wxSize wxSpinCtrl::DoGetBestSize() const |
| 291 | { |
| 292 | if (!m_btn || !m_text) |
| 293 | return GetSize(); |
| 294 | |
| 295 | wxSize sizeBtn = m_btn->GetBestSize(), |
| 296 | sizeText = m_text->GetBestSize(); |
| 297 | |
| 298 | sizeText.y += 2 * TEXTBORDER ; |
| 299 | sizeText.x += 2 * TEXTBORDER ; |
| 300 | |
| 301 | int height; |
| 302 | if (sizeText.y > sizeBtn.y) |
| 303 | height = sizeText.y; |
| 304 | else |
| 305 | height = sizeBtn.y; |
| 306 | |
| 307 | return wxSize(sizeBtn.x + sizeText.x + MARGIN, height ); |
| 308 | } |
| 309 | |
| 310 | void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height) |
| 311 | { |
| 312 | // position the subcontrols inside the client area |
| 313 | wxSize sizeBtn = m_btn->GetSize(); |
| 314 | wxSize sizeText = m_text->GetSize(); |
| 315 | |
| 316 | wxControl::DoMoveWindow(x, y, width, height); |
| 317 | |
| 318 | wxCoord wText = width - sizeBtn.x - MARGIN - 2 * TEXTBORDER; |
| 319 | |
| 320 | m_text->SetSize(TEXTBORDER, (height - sizeText.y) / 2, wText, -1); |
| 321 | m_btn->SetSize(0 + wText + MARGIN + TEXTBORDER , (height - sizeBtn.y) / 2 , -1, -1 ); |
| 322 | } |
| 323 | |
| 324 | // ---------------------------------------------------------------------------- |
| 325 | // operations forwarded to the subcontrols |
| 326 | // ---------------------------------------------------------------------------- |
| 327 | |
| 328 | bool wxSpinCtrl::Enable(bool enable) |
| 329 | { |
| 330 | if ( !wxControl::Enable(enable) ) |
| 331 | return false; |
| 332 | return true; |
| 333 | } |
| 334 | |
| 335 | bool wxSpinCtrl::Show(bool show) |
| 336 | { |
| 337 | if ( !wxControl::Show(show) ) |
| 338 | return false; |
| 339 | return true; |
| 340 | } |
| 341 | |
| 342 | // ---------------------------------------------------------------------------- |
| 343 | // value and range access |
| 344 | // ---------------------------------------------------------------------------- |
| 345 | |
| 346 | bool wxSpinCtrl::GetTextValue(int *val) const |
| 347 | { |
| 348 | long l; |
| 349 | if ( !m_text->GetValue().ToLong(&l) ) |
| 350 | { |
| 351 | // not a number at all |
| 352 | return false; |
| 353 | } |
| 354 | |
| 355 | if ( l < GetMin() || l > GetMax() ) |
| 356 | { |
| 357 | // out of range |
| 358 | return false; |
| 359 | } |
| 360 | |
| 361 | *val = l; |
| 362 | |
| 363 | return true; |
| 364 | } |
| 365 | |
| 366 | int wxSpinCtrl::GetValue() const |
| 367 | { |
| 368 | return m_btn ? m_btn->GetValue() : 0; |
| 369 | } |
| 370 | |
| 371 | int wxSpinCtrl::GetMin() const |
| 372 | { |
| 373 | return m_btn ? m_btn->GetMin() : 0; |
| 374 | } |
| 375 | |
| 376 | int wxSpinCtrl::GetMax() const |
| 377 | { |
| 378 | return m_btn ? m_btn->GetMax() : 0; |
| 379 | } |
| 380 | |
| 381 | // ---------------------------------------------------------------------------- |
| 382 | // changing value and range |
| 383 | // ---------------------------------------------------------------------------- |
| 384 | |
| 385 | void wxSpinCtrl::SetTextValue(int val) |
| 386 | { |
| 387 | wxCHECK_RET( m_text, wxT("invalid call to wxSpinCtrl::SetTextValue") ); |
| 388 | |
| 389 | m_text->SetValue(wxString::Format(wxT("%d"), val)); |
| 390 | |
| 391 | // select all text |
| 392 | m_text->SetSelection(0, -1); |
| 393 | |
| 394 | m_text->SetInsertionPointEnd(); |
| 395 | |
| 396 | // and give focus to the control! |
| 397 | // m_text->SetFocus(); Why???? TODO. |
| 398 | } |
| 399 | |
| 400 | void wxSpinCtrl::SetValue(int val) |
| 401 | { |
| 402 | wxCHECK_RET( m_btn, wxT("invalid call to wxSpinCtrl::SetValue") ); |
| 403 | |
| 404 | SetTextValue(val); |
| 405 | |
| 406 | m_btn->SetValue(val); |
| 407 | m_oldValue = val; |
| 408 | } |
| 409 | |
| 410 | void wxSpinCtrl::SetValue(const wxString& text) |
| 411 | { |
| 412 | wxCHECK_RET( m_text, wxT("invalid call to wxSpinCtrl::SetValue") ); |
| 413 | |
| 414 | long val; |
| 415 | if ( text.ToLong(&val) && ((val > INT_MIN) && (val < INT_MAX)) ) |
| 416 | { |
| 417 | SetValue((int)val); |
| 418 | } |
| 419 | else // not a number at all or out of range |
| 420 | { |
| 421 | m_text->SetValue(text); |
| 422 | m_text->SetSelection(0, -1); |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | void wxSpinCtrl::SetRange(int min, int max) |
| 427 | { |
| 428 | wxCHECK_RET( m_btn, wxT("invalid call to wxSpinCtrl::SetRange") ); |
| 429 | |
| 430 | m_btn->SetRange(min, max); |
| 431 | } |
| 432 | |
| 433 | void wxSpinCtrl::SetSelection(long from, long to) |
| 434 | { |
| 435 | // if from and to are both -1, it means (in wxWidgets) that all text should |
| 436 | // be selected |
| 437 | if ( (from == -1) && (to == -1) ) |
| 438 | { |
| 439 | from = 0; |
| 440 | } |
| 441 | m_text->SetSelection(from, to); |
| 442 | } |
| 443 | |
| 444 | #endif // wxUSE_SPINCTRL |