| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/slider.cpp |
| 3 | // Purpose: wxSlider, using the Win95 (and later) trackbar control |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart 1998 |
| 9 | // Vadim Zeitlin 2004 |
| 10 | // Licence: wxWindows licence |
| 11 | ///////////////////////////////////////////////////////////////////////////// |
| 12 | |
| 13 | // ============================================================================ |
| 14 | // declarations |
| 15 | // ============================================================================ |
| 16 | |
| 17 | // ---------------------------------------------------------------------------- |
| 18 | // headers |
| 19 | // ---------------------------------------------------------------------------- |
| 20 | |
| 21 | // For compilers that support precompilation, includes "wx.h". |
| 22 | #include "wx/wxprec.h" |
| 23 | |
| 24 | #ifdef __BORLANDC__ |
| 25 | #pragma hdrstop |
| 26 | #endif |
| 27 | |
| 28 | #if wxUSE_SLIDER |
| 29 | |
| 30 | #include "wx/slider.h" |
| 31 | |
| 32 | #ifndef WX_PRECOMP |
| 33 | #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly" |
| 34 | #include "wx/brush.h" |
| 35 | #endif |
| 36 | |
| 37 | #include "wx/msw/subwin.h" |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | // constants |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | |
| 43 | // indices of labels in wxSlider::m_labels |
| 44 | enum |
| 45 | { |
| 46 | SliderLabel_Min, |
| 47 | SliderLabel_Max, |
| 48 | SliderLabel_Value, |
| 49 | SliderLabel_Last |
| 50 | }; |
| 51 | |
| 52 | // the gap between the slider and the labels, in pixels |
| 53 | static const int HGAP = 5; |
| 54 | |
| 55 | // ---------------------------------------------------------------------------- |
| 56 | // XTI |
| 57 | // ---------------------------------------------------------------------------- |
| 58 | |
| 59 | #if wxUSE_EXTENDED_RTTI |
| 60 | WX_DEFINE_FLAGS( wxSliderStyle ) |
| 61 | |
| 62 | wxBEGIN_FLAGS( wxSliderStyle ) |
| 63 | // new style border flags, we put them first to |
| 64 | // use them for streaming out |
| 65 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
| 66 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) |
| 67 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) |
| 68 | wxFLAGS_MEMBER(wxBORDER_RAISED) |
| 69 | wxFLAGS_MEMBER(wxBORDER_STATIC) |
| 70 | wxFLAGS_MEMBER(wxBORDER_NONE) |
| 71 | |
| 72 | // old style border flags |
| 73 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
| 74 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) |
| 75 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) |
| 76 | wxFLAGS_MEMBER(wxRAISED_BORDER) |
| 77 | wxFLAGS_MEMBER(wxSTATIC_BORDER) |
| 78 | wxFLAGS_MEMBER(wxBORDER) |
| 79 | |
| 80 | // standard window styles |
| 81 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
| 82 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) |
| 83 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) |
| 84 | wxFLAGS_MEMBER(wxWANTS_CHARS) |
| 85 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
| 86 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
| 87 | wxFLAGS_MEMBER(wxVSCROLL) |
| 88 | wxFLAGS_MEMBER(wxHSCROLL) |
| 89 | |
| 90 | wxFLAGS_MEMBER(wxSL_HORIZONTAL) |
| 91 | wxFLAGS_MEMBER(wxSL_VERTICAL) |
| 92 | wxFLAGS_MEMBER(wxSL_AUTOTICKS) |
| 93 | wxFLAGS_MEMBER(wxSL_LABELS) |
| 94 | wxFLAGS_MEMBER(wxSL_LEFT) |
| 95 | wxFLAGS_MEMBER(wxSL_TOP) |
| 96 | wxFLAGS_MEMBER(wxSL_RIGHT) |
| 97 | wxFLAGS_MEMBER(wxSL_BOTTOM) |
| 98 | wxFLAGS_MEMBER(wxSL_BOTH) |
| 99 | wxFLAGS_MEMBER(wxSL_SELRANGE) |
| 100 | wxFLAGS_MEMBER(wxSL_INVERSE) |
| 101 | |
| 102 | wxEND_FLAGS( wxSliderStyle ) |
| 103 | |
| 104 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/slider.h") |
| 105 | |
| 106 | wxBEGIN_PROPERTIES_TABLE(wxSlider) |
| 107 | wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent ) |
| 108 | wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent ) |
| 109 | |
| 110 | wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
| 111 | wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
| 112 | wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
| 113 | wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
| 114 | wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
| 115 | wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
| 116 | wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style |
| 117 | wxEND_PROPERTIES_TABLE() |
| 118 | |
| 119 | wxBEGIN_HANDLERS_TABLE(wxSlider) |
| 120 | wxEND_HANDLERS_TABLE() |
| 121 | |
| 122 | wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle ) |
| 123 | #else |
| 124 | IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl) |
| 125 | #endif |
| 126 | |
| 127 | // ============================================================================ |
| 128 | // wxSlider implementation |
| 129 | // ============================================================================ |
| 130 | |
| 131 | // ---------------------------------------------------------------------------- |
| 132 | // construction |
| 133 | // ---------------------------------------------------------------------------- |
| 134 | |
| 135 | void wxSlider::Init() |
| 136 | { |
| 137 | m_labels = NULL; |
| 138 | |
| 139 | m_pageSize = 1; |
| 140 | m_lineSize = 1; |
| 141 | m_rangeMax = 0; |
| 142 | m_rangeMin = 0; |
| 143 | m_tickFreq = 0; |
| 144 | |
| 145 | m_isDragging = false; |
| 146 | } |
| 147 | |
| 148 | bool |
| 149 | wxSlider::Create(wxWindow *parent, |
| 150 | wxWindowID id, |
| 151 | int value, |
| 152 | int minValue, |
| 153 | int maxValue, |
| 154 | const wxPoint& pos, |
| 155 | const wxSize& size, |
| 156 | long style, |
| 157 | const wxValidator& validator, |
| 158 | const wxString& name) |
| 159 | { |
| 160 | // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and |
| 161 | // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility |
| 162 | // reasons we can't really change it, instead try to infer the orientation |
| 163 | // from the flags given to us here |
| 164 | switch ( style & (wxSL_LEFT | wxSL_RIGHT | wxSL_TOP | wxSL_BOTTOM) ) |
| 165 | { |
| 166 | case wxSL_LEFT: |
| 167 | case wxSL_RIGHT: |
| 168 | style |= wxSL_VERTICAL; |
| 169 | break; |
| 170 | |
| 171 | case wxSL_TOP: |
| 172 | case wxSL_BOTTOM: |
| 173 | style |= wxSL_HORIZONTAL; |
| 174 | break; |
| 175 | |
| 176 | case 0: |
| 177 | // no specific direction, do we have at least the orientation? |
| 178 | if ( !(style & (wxSL_HORIZONTAL | wxSL_VERTICAL)) ) |
| 179 | { |
| 180 | // no, choose default |
| 181 | style |= wxSL_BOTTOM | wxSL_HORIZONTAL; |
| 182 | } |
| 183 | }; |
| 184 | |
| 185 | wxASSERT_MSG( !(style & wxSL_VERTICAL) || !(style & wxSL_HORIZONTAL), |
| 186 | _T("incompatible slider direction and orientation") ); |
| 187 | |
| 188 | |
| 189 | // initialize everything |
| 190 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
| 191 | return false; |
| 192 | |
| 193 | // ensure that we have correct values for GetLabelsSize() |
| 194 | m_rangeMin = minValue; |
| 195 | m_rangeMax = maxValue; |
| 196 | |
| 197 | // create the labels first, so that our DoGetBestSize() could take them |
| 198 | // into account |
| 199 | // |
| 200 | // note that we could simply create 3 wxStaticTexts here but it could |
| 201 | // result in some observable side effects at wx level (e.g. the parent of |
| 202 | // wxSlider would have 3 more children than expected) and so we prefer not |
| 203 | // to do it like this |
| 204 | if ( m_windowStyle & wxSL_LABELS ) |
| 205 | { |
| 206 | m_labels = new wxSubwindows(SliderLabel_Last); |
| 207 | |
| 208 | HWND hwndParent = GetHwndOf(parent); |
| 209 | for ( size_t n = 0; n < SliderLabel_Last; n++ ) |
| 210 | { |
| 211 | wxWindowIDRef lblid = NewControlId(); |
| 212 | |
| 213 | HWND wnd = ::CreateWindow |
| 214 | ( |
| 215 | wxT("STATIC"), |
| 216 | NULL, |
| 217 | WS_CHILD | WS_VISIBLE | SS_CENTER, |
| 218 | 0, 0, 0, 0, |
| 219 | hwndParent, |
| 220 | (HMENU)wxUIntToPtr(lblid.GetValue()), |
| 221 | wxGetInstance(), |
| 222 | NULL |
| 223 | ); |
| 224 | |
| 225 | m_labels->Set(n, wnd, lblid); |
| 226 | } |
| 227 | |
| 228 | m_labels->SetFont(GetFont()); |
| 229 | } |
| 230 | |
| 231 | // now create the main control too |
| 232 | if ( !MSWCreateControl(TRACKBAR_CLASS, wxEmptyString, pos, size) ) |
| 233 | return false; |
| 234 | |
| 235 | // and initialize everything |
| 236 | SetRange(minValue, maxValue); |
| 237 | SetValue(value); |
| 238 | SetPageSize((maxValue - minValue)/10); |
| 239 | |
| 240 | // we need to position the labels correctly if we have them and if |
| 241 | // SetSize() hadn't been called before (when best size was determined by |
| 242 | // MSWCreateControl()) as in this case they haven't been put in place yet |
| 243 | if ( m_labels && size.x != wxDefaultCoord && size.y != wxDefaultCoord ) |
| 244 | { |
| 245 | SetSize(size); |
| 246 | } |
| 247 | |
| 248 | return true; |
| 249 | } |
| 250 | |
| 251 | WXDWORD wxSlider::MSWGetStyle(long style, WXDWORD *exstyle) const |
| 252 | { |
| 253 | WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); |
| 254 | |
| 255 | // TBS_HORZ, TBS_RIGHT and TBS_BOTTOM are 0 but do include them for clarity |
| 256 | msStyle |= style & wxSL_VERTICAL ? TBS_VERT : TBS_HORZ; |
| 257 | |
| 258 | if ( style & wxSL_BOTH ) |
| 259 | { |
| 260 | // this fully specifies the style combined with TBS_VERT/HORZ above |
| 261 | msStyle |= TBS_BOTH; |
| 262 | } |
| 263 | else // choose one direction |
| 264 | { |
| 265 | if ( style & wxSL_LEFT ) |
| 266 | msStyle |= TBS_LEFT; |
| 267 | else if ( style & wxSL_RIGHT ) |
| 268 | msStyle |= TBS_RIGHT; |
| 269 | else if ( style & wxSL_TOP ) |
| 270 | msStyle |= TBS_TOP; |
| 271 | else if ( style & wxSL_BOTTOM ) |
| 272 | msStyle |= TBS_BOTTOM; |
| 273 | } |
| 274 | |
| 275 | if ( style & wxSL_AUTOTICKS ) |
| 276 | msStyle |= TBS_AUTOTICKS; |
| 277 | else |
| 278 | msStyle |= TBS_NOTICKS; |
| 279 | |
| 280 | if ( style & wxSL_SELRANGE ) |
| 281 | msStyle |= TBS_ENABLESELRANGE; |
| 282 | |
| 283 | return msStyle; |
| 284 | } |
| 285 | |
| 286 | wxSlider::~wxSlider() |
| 287 | { |
| 288 | delete m_labels; |
| 289 | } |
| 290 | |
| 291 | // ---------------------------------------------------------------------------- |
| 292 | // event handling |
| 293 | // ---------------------------------------------------------------------------- |
| 294 | |
| 295 | bool wxSlider::MSWOnScroll(int WXUNUSED(orientation), |
| 296 | WXWORD wParam, |
| 297 | WXWORD WXUNUSED(pos), |
| 298 | WXHWND control) |
| 299 | { |
| 300 | wxEventType scrollEvent; |
| 301 | switch ( wParam ) |
| 302 | { |
| 303 | case SB_TOP: |
| 304 | scrollEvent = wxEVT_SCROLL_TOP; |
| 305 | break; |
| 306 | |
| 307 | case SB_BOTTOM: |
| 308 | scrollEvent = wxEVT_SCROLL_BOTTOM; |
| 309 | break; |
| 310 | |
| 311 | case SB_LINEUP: |
| 312 | scrollEvent = wxEVT_SCROLL_LINEUP; |
| 313 | break; |
| 314 | |
| 315 | case SB_LINEDOWN: |
| 316 | scrollEvent = wxEVT_SCROLL_LINEDOWN; |
| 317 | break; |
| 318 | |
| 319 | case SB_PAGEUP: |
| 320 | scrollEvent = wxEVT_SCROLL_PAGEUP; |
| 321 | break; |
| 322 | |
| 323 | case SB_PAGEDOWN: |
| 324 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; |
| 325 | break; |
| 326 | |
| 327 | case SB_THUMBTRACK: |
| 328 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; |
| 329 | m_isDragging = true; |
| 330 | break; |
| 331 | |
| 332 | case SB_THUMBPOSITION: |
| 333 | if ( m_isDragging ) |
| 334 | { |
| 335 | scrollEvent = wxEVT_SCROLL_THUMBRELEASE; |
| 336 | m_isDragging = false; |
| 337 | } |
| 338 | else |
| 339 | { |
| 340 | // this seems to only happen when the mouse wheel is used: in |
| 341 | // this case, as it might be unexpected to get THUMBRELEASE |
| 342 | // without preceding THUMBTRACKs, we don't generate it at all |
| 343 | // but generate CHANGED event because the control itself does |
| 344 | // not send us SB_ENDSCROLL for whatever reason when mouse |
| 345 | // wheel is used |
| 346 | scrollEvent = wxEVT_SCROLL_CHANGED; |
| 347 | } |
| 348 | break; |
| 349 | |
| 350 | case SB_ENDSCROLL: |
| 351 | scrollEvent = wxEVT_SCROLL_CHANGED; |
| 352 | break; |
| 353 | |
| 354 | default: |
| 355 | // unknown scroll event? |
| 356 | return false; |
| 357 | } |
| 358 | |
| 359 | int newPos = ValueInvertOrNot((int) ::SendMessage((HWND) control, TBM_GETPOS, 0, 0)); |
| 360 | if ( (newPos < GetMin()) || (newPos > GetMax()) ) |
| 361 | { |
| 362 | // out of range - but we did process it |
| 363 | return true; |
| 364 | } |
| 365 | |
| 366 | SetValue(newPos); |
| 367 | |
| 368 | wxScrollEvent event(scrollEvent, m_windowId); |
| 369 | event.SetPosition(newPos); |
| 370 | event.SetEventObject( this ); |
| 371 | HandleWindowEvent(event); |
| 372 | |
| 373 | wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() ); |
| 374 | cevent.SetInt( newPos ); |
| 375 | cevent.SetEventObject( this ); |
| 376 | |
| 377 | return HandleWindowEvent( cevent ); |
| 378 | } |
| 379 | |
| 380 | void wxSlider::Command (wxCommandEvent & event) |
| 381 | { |
| 382 | SetValue (event.GetInt()); |
| 383 | ProcessCommand (event); |
| 384 | } |
| 385 | |
| 386 | // ---------------------------------------------------------------------------- |
| 387 | // geometry stuff |
| 388 | // ---------------------------------------------------------------------------- |
| 389 | |
| 390 | wxRect wxSlider::GetBoundingBox() const |
| 391 | { |
| 392 | // take care not to call our own functions which would call us recursively |
| 393 | int x, y, w, h; |
| 394 | wxSliderBase::DoGetPosition(&x, &y); |
| 395 | wxSliderBase::DoGetSize(&w, &h); |
| 396 | |
| 397 | wxRect rect(x, y, w, h); |
| 398 | if ( m_labels ) |
| 399 | { |
| 400 | wxRect lrect = m_labels->GetBoundingBox(); |
| 401 | GetParent()->ScreenToClient(&lrect.x, &lrect.y); |
| 402 | rect.Union(lrect); |
| 403 | } |
| 404 | |
| 405 | return rect; |
| 406 | } |
| 407 | |
| 408 | void wxSlider::DoGetSize(int *width, int *height) const |
| 409 | { |
| 410 | wxRect rect = GetBoundingBox(); |
| 411 | |
| 412 | if ( width ) |
| 413 | *width = rect.width; |
| 414 | if ( height ) |
| 415 | *height = rect.height; |
| 416 | } |
| 417 | |
| 418 | void wxSlider::DoGetPosition(int *x, int *y) const |
| 419 | { |
| 420 | wxRect rect = GetBoundingBox(); |
| 421 | |
| 422 | if ( x ) |
| 423 | *x = rect.x; |
| 424 | if ( y ) |
| 425 | *y = rect.y; |
| 426 | } |
| 427 | |
| 428 | int wxSlider::GetLabelsSize(int *width) const |
| 429 | { |
| 430 | int cy; |
| 431 | |
| 432 | if ( width ) |
| 433 | { |
| 434 | // find the max label width |
| 435 | int wLabelMin, wLabelMax; |
| 436 | GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy); |
| 437 | GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy); |
| 438 | |
| 439 | *width = wxMax(wLabelMin, wLabelMax); |
| 440 | } |
| 441 | else |
| 442 | { |
| 443 | cy = GetCharHeight(); |
| 444 | } |
| 445 | |
| 446 | return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); |
| 447 | } |
| 448 | |
| 449 | void wxSlider::DoMoveWindow(int x, int y, int width, int height) |
| 450 | { |
| 451 | // all complications below are because we need to position the labels, |
| 452 | // without them everything is easy |
| 453 | if ( !m_labels ) |
| 454 | { |
| 455 | wxSliderBase::DoMoveWindow(x, y, width, height); |
| 456 | return; |
| 457 | } |
| 458 | |
| 459 | // be careful to position the slider itself after moving the labels as |
| 460 | // otherwise our GetBoundingBox(), which is called from WM_SIZE handler, |
| 461 | // would return a wrong result and wrong size would be cached internally |
| 462 | if ( HasFlag(wxSL_VERTICAL) ) |
| 463 | { |
| 464 | int wLabel; |
| 465 | int hLabel = GetLabelsSize(&wLabel); |
| 466 | |
| 467 | int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x; |
| 468 | |
| 469 | // position all labels: min at the top, value in the middle and max at |
| 470 | // the bottom |
| 471 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], |
| 472 | xLabel, y, wLabel, hLabel); |
| 473 | |
| 474 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], |
| 475 | xLabel, y + (height - hLabel)/2, wLabel, hLabel); |
| 476 | |
| 477 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], |
| 478 | xLabel, y + height - hLabel, wLabel, hLabel); |
| 479 | |
| 480 | // position the slider itself along the left/right edge |
| 481 | wxSliderBase::DoMoveWindow(HasFlag(wxSL_LEFT) ? x : x + wLabel + HGAP, |
| 482 | y + hLabel/2, |
| 483 | width - wLabel - HGAP, |
| 484 | height - hLabel); |
| 485 | } |
| 486 | else // horizontal |
| 487 | { |
| 488 | int wLabel; |
| 489 | int hLabel = GetLabelsSize(&wLabel); |
| 490 | |
| 491 | int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y; |
| 492 | |
| 493 | // position all labels: min on the left, value in the middle and max to |
| 494 | // the right |
| 495 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], |
| 496 | x, yLabel, wLabel, hLabel); |
| 497 | |
| 498 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], |
| 499 | x + (width - wLabel)/2, yLabel, wLabel, hLabel); |
| 500 | |
| 501 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], |
| 502 | x + width - wLabel, yLabel, wLabel, hLabel); |
| 503 | |
| 504 | // position the slider itself along the top/bottom edge |
| 505 | wxSliderBase::DoMoveWindow(x, |
| 506 | HasFlag(wxSL_TOP) ? y : y + hLabel, |
| 507 | width, |
| 508 | height - hLabel); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | wxSize wxSlider::DoGetBestSize() const |
| 513 | { |
| 514 | // these values are arbitrary |
| 515 | static const int length = 100; |
| 516 | static const int thumb = 24; |
| 517 | static const int ticks = 8; |
| 518 | |
| 519 | int *width; |
| 520 | wxSize size; |
| 521 | if ( HasFlag(wxSL_VERTICAL) ) |
| 522 | { |
| 523 | size.x = thumb; |
| 524 | size.y = length; |
| 525 | width = &size.x; |
| 526 | |
| 527 | if ( m_labels ) |
| 528 | { |
| 529 | int wLabel; |
| 530 | int hLabel = GetLabelsSize(&wLabel); |
| 531 | |
| 532 | // account for the labels |
| 533 | size.x += HGAP + wLabel; |
| 534 | |
| 535 | // labels are indented relative to the slider itself |
| 536 | size.y += hLabel; |
| 537 | } |
| 538 | } |
| 539 | else // horizontal |
| 540 | { |
| 541 | size.x = length; |
| 542 | size.y = thumb; |
| 543 | width = &size.y; |
| 544 | |
| 545 | if ( m_labels ) |
| 546 | { |
| 547 | // labels add extra height |
| 548 | size.y += GetLabelsSize(); |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | // need extra space to show ticks |
| 553 | if ( HasFlag(wxSL_TICKS) ) |
| 554 | { |
| 555 | *width += ticks; |
| 556 | |
| 557 | // and maybe twice as much if we show them on both sides |
| 558 | if ( HasFlag(wxSL_BOTH) ) |
| 559 | *width += ticks; |
| 560 | } |
| 561 | |
| 562 | return size; |
| 563 | } |
| 564 | |
| 565 | // ---------------------------------------------------------------------------- |
| 566 | // slider-specific methods |
| 567 | // ---------------------------------------------------------------------------- |
| 568 | |
| 569 | int wxSlider::GetValue() const |
| 570 | { |
| 571 | return ValueInvertOrNot(::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0)); |
| 572 | } |
| 573 | |
| 574 | void wxSlider::SetValue(int value) |
| 575 | { |
| 576 | ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)ValueInvertOrNot(value)); |
| 577 | |
| 578 | if ( m_labels ) |
| 579 | { |
| 580 | ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value).wx_str()); |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | void wxSlider::SetRange(int minValue, int maxValue) |
| 585 | { |
| 586 | m_rangeMin = minValue; |
| 587 | m_rangeMax = maxValue; |
| 588 | |
| 589 | ::SendMessage(GetHwnd(), TBM_SETRANGEMIN, TRUE, m_rangeMin); |
| 590 | ::SendMessage(GetHwnd(), TBM_SETRANGEMAX, TRUE, m_rangeMax); |
| 591 | |
| 592 | if ( m_labels ) |
| 593 | { |
| 594 | ::SetWindowText((*m_labels)[SliderLabel_Min], |
| 595 | Format(ValueInvertOrNot(m_rangeMin)).wx_str()); |
| 596 | ::SetWindowText((*m_labels)[SliderLabel_Max], |
| 597 | Format(ValueInvertOrNot(m_rangeMax)).wx_str()); |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | void wxSlider::SetTickFreq(int n, int pos) |
| 602 | { |
| 603 | m_tickFreq = n; |
| 604 | ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos ); |
| 605 | } |
| 606 | |
| 607 | void wxSlider::SetPageSize(int pageSize) |
| 608 | { |
| 609 | ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize ); |
| 610 | m_pageSize = pageSize; |
| 611 | } |
| 612 | |
| 613 | int wxSlider::GetPageSize() const |
| 614 | { |
| 615 | return m_pageSize; |
| 616 | } |
| 617 | |
| 618 | void wxSlider::ClearSel() |
| 619 | { |
| 620 | ::SendMessage(GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0); |
| 621 | } |
| 622 | |
| 623 | void wxSlider::ClearTicks() |
| 624 | { |
| 625 | ::SendMessage(GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0); |
| 626 | } |
| 627 | |
| 628 | void wxSlider::SetLineSize(int lineSize) |
| 629 | { |
| 630 | m_lineSize = lineSize; |
| 631 | ::SendMessage(GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize); |
| 632 | } |
| 633 | |
| 634 | int wxSlider::GetLineSize() const |
| 635 | { |
| 636 | return (int)::SendMessage(GetHwnd(), TBM_GETLINESIZE, 0, 0); |
| 637 | } |
| 638 | |
| 639 | int wxSlider::GetSelEnd() const |
| 640 | { |
| 641 | return (int)::SendMessage(GetHwnd(), TBM_GETSELEND, 0, 0); |
| 642 | } |
| 643 | |
| 644 | int wxSlider::GetSelStart() const |
| 645 | { |
| 646 | return (int)::SendMessage(GetHwnd(), TBM_GETSELSTART, 0, 0); |
| 647 | } |
| 648 | |
| 649 | void wxSlider::SetSelection(int minPos, int maxPos) |
| 650 | { |
| 651 | ::SendMessage(GetHwnd(), TBM_SETSEL, |
| 652 | (WPARAM) TRUE /* redraw */, |
| 653 | (LPARAM) MAKELONG( minPos, maxPos) ); |
| 654 | } |
| 655 | |
| 656 | void wxSlider::SetThumbLength(int len) |
| 657 | { |
| 658 | ::SendMessage(GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0); |
| 659 | } |
| 660 | |
| 661 | int wxSlider::GetThumbLength() const |
| 662 | { |
| 663 | return (int)::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, 0, 0); |
| 664 | } |
| 665 | |
| 666 | void wxSlider::SetTick(int tickPos) |
| 667 | { |
| 668 | ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos ); |
| 669 | } |
| 670 | |
| 671 | // ---------------------------------------------------------------------------- |
| 672 | // composite control methods |
| 673 | // ---------------------------------------------------------------------------- |
| 674 | |
| 675 | WXHWND wxSlider::GetStaticMin() const |
| 676 | { |
| 677 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Min] : NULL; |
| 678 | } |
| 679 | |
| 680 | WXHWND wxSlider::GetStaticMax() const |
| 681 | { |
| 682 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Max] : NULL; |
| 683 | } |
| 684 | |
| 685 | WXHWND wxSlider::GetEditValue() const |
| 686 | { |
| 687 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Value] : NULL; |
| 688 | } |
| 689 | |
| 690 | WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(wxSlider, wxSliderBase, m_labels) |
| 691 | |
| 692 | #endif // wxUSE_SLIDER |