src/os2/slider.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        slider.cpp
   3 // Purpose:     wxSlider
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/15/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include <stdio.h>
  21 #include <wx/utils.h>
  22 #include <wx/brush.h>
  23 #endif
  24
  25 #include "wx/slider.h"
  26 #include "wx/os2/private.h"
  27
  28 #if !USE_SHARED_LIBRARY
  29 IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
  30 #endif
  31
  32 // Slider
  33 wxSlider::wxSlider()
  34 {
  35   m_staticValue = 0;
  36   m_staticMin = 0;
  37   m_staticMax = 0;
  38   m_pageSize = 1;
  39   m_lineSize = 1;
  40   m_rangeMax = 0;
  41   m_rangeMin = 0;
  42   m_tickFreq = 0;
  43 }
  44
  45 bool wxSlider::Create(wxWindow *parent, wxWindowID id,
  46            int value, int minValue, int maxValue,
  47            const wxPoint& pos,
  48            const wxSize& size, long style,
  49 #if wxUSE_VALIDATORS
  50 #  if defined(__VISAGECPP__)
  51            const wxValidator* validator,
  52 #  else
  53            const wxValidator& validator,
  54 #  endif
  55 #endif
  56            const wxString& name)
  57 {
  58     SetName(name);
  59 #if wxUSE_VALIDATORS
  60     SetValidator(validator);
  61 #endif
  62
  63     if (parent) parent->AddChild(this);
  64
  65     m_lineSize = 1;
  66     m_windowStyle = style;
  67     m_tickFreq = 0;
  68
  69     if ( id == -1 )
  70             m_windowId = (int)NewControlId();
  71     else
  72             m_windowId = id;
  73
  74     m_rangeMax = maxValue;
  75     m_rangeMin = minValue;
  76
  77     m_pageSize = (int)((maxValue-minValue)/10);
  78
  79     // TODO create slider
  80
  81     return FALSE;
  82 }
  83
  84 bool wxSlider::OS2OnScroll(int WXUNUSED(orientation), WXWORD wParam,
  85                            WXWORD pos, WXHWND control)
  86 {
  87     int position = 0; // Dummy - not used in this mode
  88
  89     int nScrollInc;
  90     wxEventType scrollEvent = wxEVT_NULL;
  91 // TODO:
  92 /*
  93     switch ( wParam )
  94     {
  95         case SB_TOP:
  96             nScrollInc = m_rangeMax - position;
  97             scrollEvent = wxEVT_SCROLL_TOP;
  98             break;
  99
 100         case SB_BOTTOM:
 101             nScrollInc = - position;
 102             scrollEvent = wxEVT_SCROLL_BOTTOM;
 103             break;
 104
 105         case SB_LINEUP:
 106             nScrollInc = - GetLineSize();
 107             scrollEvent = wxEVT_SCROLL_LINEUP;
 108             break;
 109
 110         case SB_LINEDOWN:
 111             nScrollInc = GetLineSize();
 112             scrollEvent = wxEVT_SCROLL_LINEDOWN;
 113             break;
 114
 115         case SB_PAGEUP:
 116             nScrollInc = -GetPageSize();
 117             scrollEvent = wxEVT_SCROLL_PAGEUP;
 118             break;
 119
 120         case SB_PAGEDOWN:
 121             nScrollInc = GetPageSize();
 122             scrollEvent = wxEVT_SCROLL_PAGEDOWN;
 123             break;
 124
 125         case SB_THUMBTRACK:
 126         case SB_THUMBPOSITION:
 127 #ifdef __WIN32__
 128             nScrollInc = (signed short)pos - position;
 129 #else // Win16
 130             nScrollInc = pos - position;
 131 #endif // Win32/16
 132             scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 133             break;
 134
 135         default:
 136             nScrollInc = 0;
 137     }
 138
 139     if ( nScrollInc == 0 )
 140     {
 141         // no event...
 142         return FALSE;
 143     }
 144
 145     int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
 146     if ( (newPos < GetMin()) || (newPos > GetMax()) )
 147     {
 148         // out of range - but we did process it
 149         return TRUE;
 150     }
 151 */
 152     int       newPos = 0; //temporary
 153     SetValue(newPos);
 154
 155     wxScrollEvent event(scrollEvent, m_windowId);
 156     event.SetPosition(newPos);
 157     event.SetEventObject( this );
 158     GetEventHandler()->ProcessEvent(event);
 159
 160     wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
 161     cevent.SetEventObject( this );
 162
 163     return GetEventHandler()->ProcessEvent( cevent );
 164 }
 165
 166 wxSlider::~wxSlider()
 167 {
 168     // TODO:
 169 }
 170
 171 int wxSlider::GetValue() const
 172 {
 173     // TODO
 174     return 0;
 175 }
 176
 177 void wxSlider::SetValue(int value)
 178 {
 179     // TODO
 180 }
 181
 182 void wxSlider::GetSize(int *width, int *height) const
 183 {
 184     // TODO
 185 }
 186
 187 void wxSlider::GetPosition(int *x, int *y) const
 188 {
 189     // TODO
 190 }
 191
 192 // TODO one day, make sense of all this horros and replace it with a readable
 193 //      DoGetBestSize()
 194 void wxSlider::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 195 {
 196   int x1 = x;
 197   int y1 = y;
 198   int w1 = width;
 199   int h1 = height;
 200
 201   int currentX, currentY;
 202   GetPosition(&currentX, &currentY);
 203   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 204     x1 = currentX;
 205   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 206     y1 = currentY;
 207
 208 // TODO:
 209 /*
 210
 211   AdjustForParentClientOrigin(x1, y1, sizeFlags);
 212
 213   wxChar buf[300];
 214
 215   int x_offset = x;
 216   int y_offset = y;
 217
 218   int cx;     // slider,min,max sizes
 219   int cy;
 220   int cyf;
 221
 222   wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
 223
 224   if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
 225   {
 226     if ( m_windowStyle & wxSL_LABELS )
 227     {
 228     int min_len = 0;
 229
 230     GetWindowText((HWND) m_staticMin, buf, 300);
 231     GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
 232
 233     int max_len = 0;
 234
 235     GetWindowText((HWND) m_staticMax, buf, 300);
 236     GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
 237     if (m_staticValue)
 238     {
 239       int new_width = (int)(wxMax(min_len, max_len));
 240       int valueHeight = (int)cyf;
 241 #ifdef __WIN32__
 242       // For some reason, under Win95, the text edit control has
 243       // a lot of space before the first character
 244       new_width += 3*cx;
 245 #endif
 246       // The height needs to be a bit bigger under Win95 if using native
 247       // 3D effects.
 248       valueHeight = (int) (valueHeight * 1.5) ;
 249       MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
 250       x_offset += new_width + cx;
 251     }
 252
 253     MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
 254     x_offset += (int)(min_len + cx);
 255
 256     int slider_length = (int)(w1 - x_offset - max_len - cx);
 257
 258     int slider_height = h1;
 259     if (slider_height < 0 )
 260         slider_height = 20;
 261
 262     // Slider must have a minimum/default length/height
 263     if (slider_length < 100)
 264       slider_length = 100;
 265
 266     MoveWindow(GetHwnd(), x_offset, y_offset, slider_length, slider_height, TRUE);
 267     x_offset += slider_length + cx;
 268
 269     MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
 270     }
 271     else
 272     {
 273         // No labels
 274         // If we're prepared to use the existing size, then...
 275         if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
 276         {
 277             GetSize(&w1, &h1);
 278         }
 279         if ( w1 < 0 )
 280             w1 = 200;
 281         if ( h1 < 0 )
 282             h1 = 20;
 283         MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
 284     }
 285   }
 286   else
 287   {
 288     if ( m_windowStyle & wxSL_LABELS )
 289     {
 290     int min_len;
 291     GetWindowText((HWND) m_staticMin, buf, 300);
 292     GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
 293
 294     int max_len;
 295     GetWindowText((HWND) m_staticMax, buf, 300);
 296     GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
 297
 298     if (m_staticValue)
 299     {
 300       int new_width = (int)(wxMax(min_len, max_len));
 301       int valueHeight = (int)cyf;
 302 //// Suggested change by George Tasker - remove this block...
 303 #ifdef __WIN32__
 304       // For some reason, under Win95, the text edit control has
 305       // a lot of space before the first character
 306       new_width += 3*cx;
 307 #endif
 308  ... and replace with following line:
 309       new_width += cx;
 310
 311       // The height needs to be a bit bigger under Win95 if using native
 312       // 3D effects.
 313       valueHeight = (int) (valueHeight * 1.5) ;
 314
 315       MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
 316       y_offset += valueHeight;
 317     }
 318
 319     MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
 320     y_offset += cy;
 321
 322     int slider_length = (int)(h1 - y_offset - cy - cy);
 323
 324     int slider_width = w1;
 325     if (slider_width < 0 )
 326         slider_width = 20;
 327
 328     // Slider must have a minimum/default length
 329     if (slider_length < 100)
 330       slider_length = 100;
 331
 332     MoveWindow(GetHwnd(), x_offset, y_offset, slider_width, slider_length, TRUE);
 333     y_offset += slider_length;
 334
 335     MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
 336     }
 337     else
 338     {
 339         // No labels
 340         // If we're prepared to use the existing size, then...
 341         if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
 342         {
 343             GetSize(&w1, &h1);
 344         }
 345         if ( w1 < 0 )
 346             w1 = 20;
 347         if ( h1 < 0 )
 348             h1 = 200;
 349         MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
 350     }
 351   }
 352 */
 353 }
 354
 355 void wxSlider::SetRange(int minValue, int maxValue)
 356 {
 357     m_rangeMin = minValue;
 358     m_rangeMax = maxValue;
 359
 360     // TODO
 361 }
 362
 363 WXHBRUSH wxSlider::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 364             WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 365 {
 366     // TODO:
 367 /*
 368   if ( nCtlColor == CTLCOLOR_SCROLLBAR )
 369     return 0;
 370
 371   // Otherwise, it's a static
 372   if (GetParent()->GetTransparentBackground())
 373     SetBkMode((HDC) pDC, TRANSPARENT);
 374   else
 375     SetBkMode((HDC) pDC, OPAQUE);
 376
 377   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 378   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 379
 380   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 381   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 382 */
 383   return (WXHBRUSH)0;
 384 }
 385
 386 // For trackbars only
 387 void wxSlider::SetTickFreq(int n, int pos)
 388 {
 389     // TODO
 390     m_tickFreq = n;
 391 }
 392
 393 void wxSlider::SetPageSize(int pageSize)
 394 {
 395     // TODO
 396     m_pageSize = pageSize;
 397 }
 398
 399 int wxSlider::GetPageSize() const
 400 {
 401     return m_pageSize;
 402 }
 403
 404 void wxSlider::ClearSel()
 405 {
 406     // TODO
 407 }
 408
 409 void wxSlider::ClearTicks()
 410 {
 411     // TODO
 412 }
 413
 414 void wxSlider::SetLineSize(int lineSize)
 415 {
 416     m_lineSize = lineSize;
 417     // TODO
 418 }
 419
 420 int wxSlider::GetLineSize() const
 421 {
 422     // TODO
 423     return 0;
 424 }
 425
 426 int wxSlider::GetSelEnd() const
 427 {
 428     // TODO
 429     return 0;
 430 }
 431
 432 int wxSlider::GetSelStart() const
 433 {
 434     // TODO
 435     return 0;
 436 }
 437
 438 void wxSlider::SetSelection(int minPos, int maxPos)
 439 {
 440     // TODO
 441 }
 442
 443 void wxSlider::SetThumbLength(int len)
 444 {
 445     // TODO
 446 }
 447
 448 int wxSlider::GetThumbLength() const
 449 {
 450     // TODO
 451     return 0;
 452 }
 453
 454 void wxSlider::SetTick(int tickPos)
 455 {
 456     // TODO
 457 }
 458
 459 bool wxSlider::ContainsHWND(WXHWND hWnd) const
 460 {
 461     return ( hWnd == GetStaticMin() || hWnd == GetStaticMax() || hWnd == GetEditValue() );
 462 }
 463
 464 void wxSlider::Command (wxCommandEvent & event)
 465 {
 466   SetValue (event.GetInt());
 467   ProcessCommand (event);
 468 }
 469
 470 bool wxSlider::Show(bool show)
 471 {
 472     // TODO
 473     return TRUE;
 474 }
 475