src/os2/gauge.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gauge.cpp
   3 // Purpose:     wxGauge class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/06/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #ifndef WX_PRECOMP
  15 #include "wx/defs.h"
  16 #include "wx/utils.h"
  17 #include "wx/scrolwin.h"
  18 #endif
  19
  20 #include "wx/os2/private.h"
  21 #include "wx/gauge.h"
  22
  23 static WXFARPROC fnWndProcGauge = (WXFARPROC)NULL;
  24 extern void  wxAssociateWinWithHandle( HWND         hWnd
  25                                       ,wxWindowOS2* pWin
  26                                      );
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxGauge, wxControl)
  29
  30 MRESULT EXPENTRY wxGaugeWndProc(
  31   HWND                              hWnd
  32 , UINT                              uMessage
  33 , MPARAM                            wParam
  34 , MPARAM                            lParam
  35 )
  36 {
  37     wxGauge*                        pGauge = (wxGauge *)::WinQueryWindowULong( hWnd
  38                                                                               ,QWL_USER
  39                                                                              );
  40     HPS                             hPS;
  41     RECTL                           vRect;
  42     RECTL                           vRect2;
  43     RECTL                           vRect3;
  44     double                          dPixelToRange = 0.0;
  45     double                          dRange = 0.0;
  46
  47     switch (uMessage )
  48     {
  49         case WM_PAINT:
  50             hPS = ::WinBeginPaint( hWnd
  51                                   ,NULLHANDLE
  52                                   ,&vRect
  53                                  );
  54             if(hPS)
  55             {
  56                 ::WinQueryWindowRect(hWnd, &vRect);
  57                 ::GpiCreateLogColorTable( hPS
  58                                          ,0L
  59                                          ,LCOLF_CONSECRGB
  60                                          ,0L
  61                                          ,(LONG)wxTheColourDatabase->m_nSize
  62                                          ,(PLONG)wxTheColourDatabase->m_palTable
  63                                         );
  64                 ::GpiCreateLogColorTable( hPS
  65                                          ,0L
  66                                          ,LCOLF_RGB
  67                                          ,0L
  68                                          ,0L
  69                                          ,NULL
  70                                         );
  71                 //
  72                 // Draw the guage box
  73                 //
  74                 LONG                lColor = 0x00FFFFFF; // White
  75                 POINTL              vPoint = {vRect.xLeft + 1, vRect.yBottom + 1};
  76
  77                 ::GpiSetColor(hPS, lColor);
  78                 ::GpiMove(hPS, &vPoint);
  79                 vPoint.x = vRect.xRight - 1;
  80                 ::GpiLine(hPS, &vPoint);
  81                 vPoint.y = vRect.yTop - 1;
  82                 ::GpiLine(hPS, &vPoint);
  83                 lColor = 0x000C0C0C; // Darkish Grey to give depth feel
  84                 ::GpiSetColor(hPS, lColor);
  85                 vPoint.x = vRect.xLeft + 1;
  86                 ::GpiLine(hPS, &vPoint);
  87                 vPoint.y = vRect.yBottom + 1;
  88                 ::GpiLine(hPS, &vPoint);
  89                 vRect3.xLeft   = vRect.xLeft + 2;
  90                 vRect3.xRight  = vRect.xRight - 2;
  91                 vRect3.yTop    = vRect.yTop - 2;
  92                 vRect3.yBottom = vRect.yBottom + 2;
  93
  94                 if (pGauge->GetWindowStyleFlag() & wxGA_VERTICAL)
  95                 {
  96                     dRange = (double)(vRect3.yTop - vRect3.yBottom);
  97                     dPixelToRange  = dRange/(double)pGauge->GetRange();
  98                     vRect2.yTop    = (int)(pGauge->GetValue() * dPixelToRange);
  99                     vRect2.yBottom = vRect3.yBottom;
 100                     vRect2.xLeft   = vRect3.xLeft;
 101                     vRect2.xRight  = vRect3.xRight;
 102                     vRect3.yBottom  = vRect2.yTop;
 103                     if (vRect3.yBottom <= 1)
 104                          vRect3.yBottom = 2;
 105                     ::WinFillRect(hPS, &vRect3,  pGauge->GetBackgroundColour().GetPixel());
 106                     ::WinFillRect(hPS, &vRect2, pGauge->GetForegroundColour().GetPixel());
 107                 }
 108                 else
 109                 {
 110                     dRange = (double)(vRect3.xRight - vRect3.xLeft);
 111                     dPixelToRange  = dRange/(double)pGauge->GetRange();
 112                     vRect2.yTop    = vRect3.yTop;
 113                     vRect2.yBottom = vRect3.yBottom;
 114                     vRect2.xLeft   = vRect3.xLeft;
 115                     vRect2.xRight  = (int)(pGauge->GetValue() * dPixelToRange);
 116                     vRect3.xLeft = vRect2.xRight;
 117                     if (vRect3.xLeft <= 1)
 118                         vRect3.xLeft = 2;
 119                     ::WinFillRect(hPS, &vRect3,  pGauge->GetBackgroundColour().GetPixel());
 120                     ::WinFillRect(hPS, &vRect2, pGauge->GetForegroundColour().GetPixel());
 121                 }
 122                 ::WinEndPaint(hPS);
 123             }
 124     }
 125     return (fnWndProcGauge( hWnd
 126                            ,(ULONG)uMessage
 127                            ,(MPARAM)wParam
 128                            ,(MPARAM)lParam
 129                           )
 130            );
 131 } // end of wxGaugeWndProc
 132
 133 bool wxGauge::Create(
 134   wxWindowOS2*                      pParent
 135 , wxWindowID                        vId
 136 , int                               nRange
 137 , const wxPoint&                    rPos
 138 , const wxSize&                     rSize
 139 , long                              lStyle
 140 , const wxValidator&                rValidator
 141 , const wxString&                   rsName
 142 )
 143 {
 144     int                             nX       = rPos.x;
 145     int                             nY       = rPos.y;
 146     int                             nWidth   = rSize.x;
 147     int                             nHeight  = rSize.y;
 148     long                            lMsStyle = 0L;
 149     SWP                             vSwp;
 150
 151     SetName(rsName);
 152 #if wxUSE_VALIDATORS
 153     SetValidator(rValidator);
 154 #endif
 155     if (pParent)
 156         pParent->AddChild(this);
 157     m_backgroundColour.Set(wxString("LIGHT GREY"));
 158     m_foregroundColour.Set(wxString("NAVY"));
 159
 160     m_nRangeMax   = nRange;
 161     m_nGaugePos   = 0;
 162     m_windowStyle = lStyle;
 163
 164     if (vId == -1)
 165         m_windowId = (int)NewControlId();
 166     else
 167         m_windowId = vId;
 168
 169     if (m_windowStyle & wxCLIP_SIBLINGS )
 170         lMsStyle |= WS_CLIPSIBLINGS;
 171
 172     //
 173     // OS/2 will use an edit control for this, since there is not a native gauge
 174     // Other choices include using an armless slider but they are more difficult
 175     // to control and manipulate
 176     //
 177
 178     lMsStyle = WS_VISIBLE | ES_MARGIN | ES_LEFT | ES_READONLY;
 179     if (m_windowStyle & wxCLIP_SIBLINGS)
 180         lMsStyle |= WS_CLIPSIBLINGS;
 181
 182     m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
 183                                        ,WC_ENTRYFIELD            // Window class
 184                                        ,(PSZ)NULL                // Initial Text
 185                                        ,(ULONG)lMsStyle          // Style flags
 186                                        ,0L, 0L, 0L, 0L           // Origin -- 0 size
 187                                        ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
 188                                        ,HWND_TOP                 // initial z position
 189                                        ,(HMENU)m_windowId        // Window identifier
 190                                        ,NULL                     // Slider control data
 191                                        ,NULL                     // no Presentation parameters
 192                                       );
 193
 194     wxAssociateWinWithHandle( m_hWnd
 195                              ,(wxWindowOS2*)this
 196                             );
 197     ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
 198     fnWndProcGauge = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxGaugeWndProc);
 199     ::WinQueryWindowPos(m_hWnd, &vSwp);
 200     SetXComp(vSwp.x);
 201     SetYComp(vSwp.y);
 202     wxFont*                          pTextFont = new wxFont( 10
 203                                                             ,wxMODERN
 204                                                             ,wxNORMAL
 205                                                             ,wxNORMAL
 206                                                            );
 207     SetFont(*pTextFont);
 208     if (nWidth == -1L)
 209         nWidth = 50L;
 210     if (nHeight == -1L)
 211         nHeight = 28L;
 212     SetSize( nX
 213             ,nY
 214             ,nWidth
 215             ,nHeight
 216            );
 217     ::WinShowWindow((HWND)GetHWND(), TRUE);
 218     delete pTextFont;
 219     return TRUE;
 220 } // end of wxGauge::Create
 221
 222 int wxGauge::GetBezelFace() const
 223 {
 224     return 0;
 225 } // end of wxGauge::GetBezelFace
 226
 227 int wxGauge::GetRange() const
 228 {
 229     return m_nRangeMax;
 230 } // end of wxGauge::GetRange
 231
 232 int wxGauge::GetShadowWidth() const
 233 {
 234     return 0;
 235 } // end of wxGauge::GetShadowWidth
 236
 237 int wxGauge::GetValue() const
 238 {
 239     return m_nGaugePos;
 240 } // end of wxGauge::GetValue
 241
 242 bool wxGauge::SetBackgroundColour(
 243   const wxColour&                   rColour
 244 )
 245 {
 246     if (!wxControl::SetBackgroundColour(rColour))
 247         return FALSE;
 248
 249     LONG                            lColor = (LONG)rColour.GetPixel();
 250
 251     ::WinSetPresParam( GetHwnd()
 252                       ,PP_BACKGROUNDCOLOR
 253                       ,sizeof(LONG)
 254                       ,(PVOID)&lColor
 255                      );
 256     return TRUE;
 257 } // end of wxGauge::SetBackgroundColour
 258
 259 void wxGauge::SetBezelFace(
 260   int                               WXUNUSED(nWidth)
 261 )
 262 {
 263 } // end of wxGauge::SetBezelFace
 264
 265 bool wxGauge::SetForegroundColour(
 266   const wxColour&                   rColour
 267 )
 268 {
 269     if (!wxControl::SetForegroundColour(rColour))
 270         return FALSE;
 271
 272     LONG                            lColor = (LONG)rColour.GetPixel();
 273
 274     ::WinSetPresParam( GetHwnd()
 275                       ,PP_FOREGROUNDCOLOR
 276                       ,sizeof(LONG)
 277                       ,(PVOID)&lColor
 278                      );
 279
 280     return TRUE;
 281 } // end of wxGauge::SetForegroundColour
 282
 283 void wxGauge::SetRange(
 284   int                               nRange
 285 )
 286 {
 287     m_nRangeMax = nRange;
 288 } // end of wxGauge::SetRange
 289
 290 void wxGauge::SetShadowWidth(
 291   int                               WXUNUSED(nWidth)
 292 )
 293 {
 294 } // end of wxGauge::SetShadowWidth
 295
 296 void wxGauge::SetValue(
 297   int                               nPos
 298 )
 299 {
 300     RECT                            vRect;
 301
 302     m_nGaugePos = nPos;
 303     ::WinQueryWindowRect(GetHwnd(), &vRect);
 304     ::WinInvalidateRect(GetHwnd(), &vRect, FALSE);
 305 } // end of wxGauge::SetValue
 306
 307