src/mac/slider.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        slider.cpp
   3 // Purpose:     wxSlider
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "slider.h"
  14 #endif
  15
  16 #include "wx/slider.h"
  17 #include "wx/mac/uma.h"
  18
  19 #if !USE_SHARED_LIBRARY
  20 IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
  21
  22 BEGIN_EVENT_TABLE(wxSlider, wxControl)
  23 END_EVENT_TABLE()
  24 #endif
  25
  26  // The dimensions of the different styles of sliders (From Aqua document)
  27  #define wxSLIDER_DIMENSIONACROSS 15
  28  #define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 24
  29  #define wxSLIDER_DIMENSIONACROSS_ARROW 18
  30
  31  // Distance between slider and text
  32  #define wxSLIDER_BORDERTEXT 5
  33
  34  /* NB!  The default orientation for a slider is horizontal however if the user specifies
  35   * some slider styles but dosen't specify the orientation we have to assume he wants a
  36   * horizontal one.  Therefore in this file when testing for the sliders orientation
  37   * vertical is tested for if this is not set then we use the horizontal one
  38   * eg.  if(GetWindowStyle() & wxSL_VERTICAL) {}  else { horizontal case }>
  39   */
  40
  41
  42 // Slider
  43 wxSlider::wxSlider()
  44 {
  45   m_pageSize = 1;
  46   m_lineSize = 1;
  47   m_rangeMax = 0;
  48   m_rangeMin = 0;
  49   m_tickFreq = 0;
  50 }
  51
  52 extern ControlActionUPP wxMacLiveScrollbarActionUPP ;
  53
  54 bool wxSlider::Create(wxWindow *parent, wxWindowID id,
  55            int value, int minValue, int maxValue,
  56            const wxPoint& pos,
  57            const wxSize& size, long style,
  58            const wxValidator& validator,
  59            const wxString& name)
  60 {
  61      Rect bounds ;
  62      Str255 title ;
  63      SInt16 procID;
  64
  65      m_macMinimumStatic = NULL ;
  66      m_macMaximumStatic = NULL ;
  67      m_macValueStatic = NULL ;
  68
  69
  70      m_lineSize = 1;
  71      m_tickFreq = 0;
  72
  73      m_rangeMax = maxValue;
  74      m_rangeMin = minValue;
  75
  76      m_pageSize = (int)((maxValue-minValue)/10);
  77
  78      MacPreControlCreate( parent, id, "", pos, size, style,
  79                           validator, name, &bounds, title );
  80
  81      procID = kControlSliderProc + kControlSliderLiveFeedback;
  82      if(style & wxSL_AUTOTICKS) {
  83          procID += kControlSliderHasTickMarks;
  84     }
  85
  86
  87      m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()), &bounds, title, false,
  88                                    value, minValue, maxValue, procID, (long) this);
  89
  90      wxASSERT_MSG( (ControlHandle) m_macControl != NULL , "No valid mac control" ) ;
  91
  92      ::SetControlAction( (ControlHandle) m_macControl , wxMacLiveScrollbarActionUPP ) ;
  93
  94      if(style & wxSL_LABELS)
  95      {
  96          m_macMinimumStatic = new wxStaticText( this, -1, "" );
  97          m_macMaximumStatic = new wxStaticText( this, -1, "" );
  98          m_macValueStatic = new wxStaticText( this, -1, "" );
  99          SetRange(minValue, maxValue);
 100          SetValue(value);
 101     }
 102
 103      else {
 104          m_macMinimumStatic = NULL ;
 105          m_macMaximumStatic = NULL ;
 106          m_macValueStatic = NULL ;
 107      }
 108
 109      if(style & wxSL_VERTICAL) {
 110          SetSizeHints(10, -1, 10, -1);  // Forces SetSize to use the proper width
 111      }
 112      else {
 113          SetSizeHints(-1, 10, -1, 10);  // Forces SetSize to use the proper height
 114      }
 115      // NB!  SetSizeHints is overloaded by wxSlider and will substitute 10 with the
 116      // proper dimensions, it also means other people cannot bugger the slider with
 117      // other values
 118
 119      MacPostControlCreate() ;
 120
 121      return true;
 122 }
 123
 124 wxSlider::~wxSlider()
 125 {
 126 }
 127
 128 int wxSlider::GetValue() const
 129 {
 130         return GetControl32BitValue( (ControlHandle) m_macControl) ;
 131 }
 132
 133 void wxSlider::SetValue(int value)
 134 {
 135         wxString valuestring ;
 136         valuestring.Printf( "%d" , value ) ;
 137         if ( m_macValueStatic )
 138                 m_macValueStatic->SetLabel( valuestring ) ;
 139         SetControl32BitValue( (ControlHandle) m_macControl , value ) ;
 140 }
 141
 142 void wxSlider::SetRange(int minValue, int maxValue)
 143 {
 144   wxString value;
 145
 146   m_rangeMin = minValue;
 147   m_rangeMax = maxValue;
 148
 149   SetControl32BitMinimum( (ControlHandle) m_macControl, m_rangeMin);
 150   SetControl32BitMaximum( (ControlHandle) m_macControl, m_rangeMax);
 151
 152   if(m_macMinimumStatic) {
 153     value.Printf("%d", m_rangeMin);
 154     m_macMinimumStatic->SetLabel(value);
 155   }
 156   if(m_macMaximumStatic) {
 157     value.Printf("%d", m_rangeMax);
 158     m_macMaximumStatic->SetLabel(value);
 159   }
 160   SetValue(m_rangeMin);
 161 }
 162
 163 // For trackbars only
 164 void wxSlider::SetTickFreq(int n, int pos)
 165 {
 166     // TODO
 167     m_tickFreq = n;
 168 }
 169
 170 void wxSlider::SetPageSize(int pageSize)
 171 {
 172     // TODO
 173     m_pageSize = pageSize;
 174 }
 175
 176 int wxSlider::GetPageSize() const
 177 {
 178     return m_pageSize;
 179 }
 180
 181 void wxSlider::ClearSel()
 182 {
 183     // TODO
 184 }
 185
 186 void wxSlider::ClearTicks()
 187 {
 188     // TODO
 189 }
 190
 191 void wxSlider::SetLineSize(int lineSize)
 192 {
 193     m_lineSize = lineSize;
 194     // TODO
 195 }
 196
 197 int wxSlider::GetLineSize() const
 198 {
 199     // TODO
 200     return 0;
 201 }
 202
 203 int wxSlider::GetSelEnd() const
 204 {
 205     // TODO
 206     return 0;
 207 }
 208
 209 int wxSlider::GetSelStart() const
 210 {
 211     // TODO
 212     return 0;
 213 }
 214
 215 void wxSlider::SetSelection(int minPos, int maxPos)
 216 {
 217     // TODO
 218 }
 219
 220 void wxSlider::SetThumbLength(int len)
 221 {
 222     // TODO
 223 }
 224
 225 int wxSlider::GetThumbLength() const
 226 {
 227     // TODO
 228     return 0;
 229 }
 230
 231 void wxSlider::SetTick(int tickPos)
 232 {
 233     // TODO
 234 }
 235
 236 void wxSlider::Command (wxCommandEvent & event)
 237 {
 238   SetValue (event.GetInt());
 239   ProcessCommand (event);
 240 }
 241
 242 void wxSlider::MacHandleControlClick( WXWidget control , wxInt16 controlpart )
 243 {
 244         SInt16 value = ::GetControl32BitValue( (ControlHandle) m_macControl ) ;
 245
 246         SetValue( value ) ;
 247
 248         wxScrollEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId);
 249         event.SetPosition(value);
 250         event.SetEventObject( this );
 251         GetEventHandler()->ProcessEvent(event);
 252
 253   wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, m_windowId );
 254   cevent.SetInt( value );
 255   cevent.SetEventObject( this );
 256
 257   GetEventHandler()->ProcessEvent( cevent );
 258 }
 259
 260  /* This is overloaded in wxSlider so that the proper width/height will always be used
 261   * for the slider different values would cause redrawing and mouse detection problems */
 262  void wxSlider::SetSizeHints( int minW, int minH,
 263                               int maxW , int maxH ,
 264                               int incW , int incH )
 265  {
 266      wxSize size = GetBestSize();
 267
 268      if(GetWindowStyle() & wxSL_VERTICAL) {
 269          wxWindow::SetSizeHints(size.x, minH, size.x, maxH, incW, incH);
 270      }
 271      else {
 272          wxWindow::SetSizeHints(minW, size.y, maxW, size.y, incW, incH);
 273      }
 274  }
 275
 276  wxSize wxSlider::DoGetBestSize() const
 277  {
 278      wxSize size;
 279      int textwidth, textheight;
 280
 281      if(GetWindowStyle() & wxSL_LABELS)
 282      {
 283          wxString text;
 284          int ht, wd;
 285
 286          // Get maximum text label width and height
 287          text.Printf("%d", m_rangeMin);
 288          GetTextExtent(text, &textwidth, &textheight);
 289          text.Printf("%d", m_rangeMax);
 290          GetTextExtent(text, &wd, &ht);
 291          if(ht > textheight) {
 292              textheight = ht;
 293          }
 294          if (wd > textwidth) {
 295              textwidth = wd;
 296          }
 297      }
 298
 299      if(GetWindowStyle() & wxSL_VERTICAL)
 300      {
 301          if(GetWindowStyle() & wxSL_AUTOTICKS) {
 302              size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
 303          }
 304          else {
 305              size.x = wxSLIDER_DIMENSIONACROSS_ARROW;
 306          }
 307          if(GetWindowStyle() & wxSL_LABELS) {
 308              size.x += textwidth + wxSLIDER_BORDERTEXT;
 309          }
 310          size.y = 150;
 311      }
 312      else
 313      {
 314          if(GetWindowStyle() & wxSL_AUTOTICKS) {
 315              size.y = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
 316          }
 317          else {
 318              size.y = wxSLIDER_DIMENSIONACROSS_ARROW;
 319          }
 320          if(GetWindowStyle() & wxSL_LABELS) {
 321              size.y += textheight + wxSLIDER_BORDERTEXT;
 322          }
 323          size.x = 150;
 324      }
 325      return size;
 326  }
 327
 328  void wxSlider::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 329  {
 330     wxControl::DoSetSize( x, y , width , height ,sizeFlags ) ;
 331  }
 332
 333  void wxSlider::MacUpdateDimensions()
 334 {
 335         // actually in the current systems this should never be possible, but later reparenting
 336         // may become a reality
 337
 338         if ( (ControlHandle) m_macControl == NULL )
 339                 return ;
 340
 341         if ( GetParent() == NULL )
 342                 return ;
 343
 344     WindowRef rootwindow = (WindowRef) MacGetRootWindow() ;
 345     if ( rootwindow == NULL )
 346         return ;
 347
 348      int  xborder, yborder;
 349      int  minValWidth, maxValWidth, textwidth, textheight;
 350      int  sliderBreadth;
 351
 352      xborder = yborder = 0;
 353
 354      if (GetWindowStyle() & wxSL_LABELS)
 355      {
 356          wxString text;
 357          int ht;
 358
 359          // Get maximum text label width and height
 360          text.Printf("%d", m_rangeMin);
 361          GetTextExtent(text, &minValWidth, &textheight);
 362          text.Printf("%d", m_rangeMax);
 363          GetTextExtent(text, &maxValWidth, &ht);
 364          if(ht > textheight) {
 365              textheight = ht;
 366          }
 367          textwidth = (minValWidth > maxValWidth ? minValWidth : maxValWidth);
 368
 369          xborder = textwidth + wxSLIDER_BORDERTEXT;
 370          yborder = textheight + wxSLIDER_BORDERTEXT;
 371
 372          // Get slider breadth
 373          if(GetWindowStyle() & wxSL_AUTOTICKS) {
 374              sliderBreadth = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
 375          }
 376          else {
 377              sliderBreadth = wxSLIDER_DIMENSIONACROSS_ARROW;
 378          }
 379
 380          if(GetWindowStyle() & wxSL_VERTICAL)
 381          {
 382              m_macMinimumStatic->Move(sliderBreadth + wxSLIDER_BORDERTEXT,
 383                                       m_height - yborder - textheight);
 384              m_macMaximumStatic->Move(sliderBreadth + wxSLIDER_BORDERTEXT, 0);
 385              m_macValueStatic->Move(0, m_height - textheight);
 386          }
 387          else
 388          {
 389              m_macMinimumStatic->Move(0, sliderBreadth + wxSLIDER_BORDERTEXT);
 390              m_macMaximumStatic->Move(m_width - xborder - maxValWidth / 2,
 391                                       sliderBreadth + wxSLIDER_BORDERTEXT);
 392              m_macValueStatic->Move(m_width - textwidth, 0);
 393          }
 394      }
 395
 396     Rect oldBounds ;
 397     GetControlBounds( (ControlHandle) m_macControl , &oldBounds ) ;
 398
 399     int new_x = m_x + MacGetLeftBorderSize() + m_macHorizontalBorder ;
 400     int new_y = m_y + MacGetTopBorderSize() + m_macVerticalBorder ;
 401     int new_width = m_width - MacGetLeftBorderSize() - MacGetRightBorderSize() - 2 * m_macHorizontalBorder - xborder ;
 402     int new_height = m_height - MacGetTopBorderSize() - MacGetBottomBorderSize() - 2 * m_macVerticalBorder - yborder ;
 403
 404     GetParent()->MacWindowToRootWindow( & new_x , & new_y ) ;
 405     bool doMove = new_x != oldBounds.left || new_y != oldBounds.top ;
 406     bool doResize =  ( oldBounds.right - oldBounds.left ) != new_width || (oldBounds.bottom - oldBounds.top ) != new_height ;
 407         if ( doMove || doResize )
 408         {
 409                 InvalWindowRect( rootwindow, &oldBounds ) ;
 410                 if ( doMove )
 411                 {
 412                         UMAMoveControl( (ControlHandle) m_macControl , new_x , new_y ) ;
 413                 }
 414                 if ( doResize )
 415                 {
 416                         UMASizeControl( (ControlHandle) m_macControl , new_width , new_height ) ;
 417                 }
 418         }
 419 }
 420
 421 void wxSlider::DoMoveWindow(int x, int y, int width, int height)
 422 {
 423     wxControl::DoMoveWindow(x,y,width,height) ;
 424 }