better implementation from VZ

[wxWidgets.git] / src / os2 / slider.cpp

diff --git a/src/os2/slider.cpp b/src/os2/slider.cpp
index 20d589fe72f715bc8d4572ea8a9d78944c0f19e6..b9864249f51f491dad78fe740eb8c879bbcbd445 100644 (file)
--- a/src/os2/slider.cpp
+++ b/src/os2/slider.cpp
@@ -17,10 +17,10 @@
 #endif
 
 #ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/utils.h"
-#include "wx/brush.h"
-#include "wx/scrolwin.h"
+    #include <stdio.h>
+    #include "wx/utils.h"
+    #include "wx/brush.h"
+    #include "wx/scrolwin.h"
 #endif
 
 #if wxUSE_SLIDER
@@ -232,7 +232,7 @@ bool wxSlider::Create(
     m_windowStyle  = lStyle;
     m_nTickFreq    = 0;
 
-    if (vId == -1)
+    if (vId == wxID_ANY)
         m_windowId = (int)NewControlId();
     else
         m_windowId = vId;
@@ -406,11 +406,9 @@ bool wxSlider::Create(
                                               )
                                  ) + 4; // for bordersizes
 
-    wxColour                        vColour;
+    wxColour vColour(*wxBLACK);
 
-    vColour.Set(wxString(wxT("BLACK")));
-
-    LONG                            lColor = (LONG)vColour.GetPixel();
+    LONG lColor = (LONG)vColour.GetPixel();
 
     ::WinSetPresParam( m_hStaticMin
                       ,PP_FOREGROUNDCOLOR
@@ -464,27 +462,25 @@ bool wxSlider::Create(
     return true;
 } // end of wxSlider::Create
 
-void wxSlider::DoSetSize(
-  int                               nX
-, int                               nY
-, int                               nWidth
-, int                               nHeight
-, int                               nSizeFlags
-)
+void wxSlider::DoSetSize( int nX,
+                          int nY,
+                          int nWidth,
+                          int nHeight,
+                          int nSizeFlags )
 {
-    int                             nX1      = nX;
-    int                             nY1      = nY;
-    int                             nWidth1  = nWidth;
-    int                             nHeight1 = nHeight;
-    int                             nXOffset = nX;
-    int                             nYOffset = nY;
-    int                             nCx;     // slider,min,max sizes
-    int                             nCy;
-    int                             nCyf;
-    int                             nCurrentX;
-    int                             nCurrentY;
-    wxChar                          zBuf[300];
-    wxFont                          vFont = this->GetFont();
+    int    nX1      = nX;
+    int    nY1      = nY;
+    int    nWidth1  = nWidth;
+    int    nHeight1 = nHeight;
+    int    nXOffset = nX;
+    int    nYOffset = nY;
+    int    nCx;     // slider,min,max sizes
+    int    nCy;
+    int    nCyf;
+    int    nCurrentX;
+    int    nCurrentY;
+    wxChar zBuf[300];
+    wxFont vFont = this->GetFont();
 
     //
     // Adjust for OS/2's reverse coordinate system
@@ -495,29 +491,28 @@ void wxSlider::DoSetSize(
 
     if (nOS2Height < 0)
         nOS2Height = 20;
+    CacheBestSize(wxSize(nWidth,nOS2Height));
 
     if (pParent)
     {
-        int                         nOS2ParentHeight = GetOS2ParentHeight(pParent);
+        int nOS2ParentHeight = GetOS2ParentHeight(pParent);
 
         nYOffset = nOS2ParentHeight - (nYOffset + nOS2Height);
-        if (nY != -1)
+        if (nY != wxDefaultCoord)
             nY1 = nOS2ParentHeight - (nY1 + nOS2Height);
     }
     else
     {
-        RECTL                       vRect;
+        RECTL vRect;
 
         ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
         nYOffset = vRect.yTop - (nYOffset + nOS2Height);
-        if (nY != -1)
+        if (nY != wxDefaultCoord)
             nY1 = vRect.yTop - (nY1 + nOS2Height);
     }
     m_nSizeFlags = nSizeFlags;
 
-    GetPosition( &nCurrentX
-                ,&nCurrentY
-               );
+    GetPosition( &nCurrentX, &nCurrentY );
     if (nX == -1 && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
         nX1 = nCurrentX;
     if (nY == -1 && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
@@ -812,8 +807,10 @@ void wxSlider::GetPosition(
         vPoint.x -= vPt.x;
         vPoint.y -= vPt.y;
     }
-    *pnX = vPoint.x;
-    *pnY = vPoint.y;
+    if (pnX)
+        *pnX = vPoint.x;
+    if (pnY)
+        *pnY = vPoint.y;
 } // end of wxSlider::GetPosition
 
 int wxSlider::GetSelEnd() const
@@ -975,13 +972,13 @@ bool wxSlider::OS2OnScroll( int    WXUNUSED(nOrientation),
 
     vEvent.SetPosition(nNewPos);
     vEvent.SetEventObject(this);
-    GetEventHandler()->ProcessEvent(vEvent);
+    HandleWindowEvent(vEvent);
 
     wxCommandEvent vCevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
 
     vCevent.SetInt(nNewPos);
     vCevent.SetEventObject(this);
-    return (GetEventHandler()->ProcessEvent(vCevent));
+    return (HandleWindowEvent(vCevent));
 } // end of wxSlider::OS2OnScroll
 
 void wxSlider::SetLineSize( int nLineSize )