X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/655719367ac5e131d9642e5783f3ecf64d1a3385..b9efe021b554fa3967d1442cf758435c5cd5ae8f:/src/msw/scrolbar.cpp

diff --git a/src/msw/scrolbar.cpp b/src/msw/scrolbar.cpp
index 820c1fb0d5..18670d6592 100644
--- a/src/msw/scrolbar.cpp
+++ b/src/msw/scrolbar.cpp
@@ -42,7 +42,7 @@ wxBEGIN_FLAGS( wxScrollBarStyle )
     wxFLAGS_MEMBER(wxBORDER_RAISED)
     wxFLAGS_MEMBER(wxBORDER_STATIC)
     wxFLAGS_MEMBER(wxBORDER_NONE)
-    
+
     // old style border flags
     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
@@ -69,12 +69,12 @@ wxEND_FLAGS( wxScrollBarStyle )
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxScrollBar, wxControl,"wx/scrolbar.h")
 
 wxBEGIN_PROPERTIES_TABLE(wxScrollBar)
-    wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxScrollEvent )
+    wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent )
 
     wxPROPERTY( ThumbPosition , int , SetThumbPosition, GetThumbPosition, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-	wxPROPERTY( Range , int , SetRange, GetRange, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-	wxPROPERTY( ThumbSize , int , SetThumbSize, GetThumbSize, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-	wxPROPERTY( PageSize , int , SetPageSize, GetPageSize, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Range , int , SetRange, GetRange, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( ThumbSize , int , SetThumbSize, GetThumbSize, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( PageSize , int , SetPageSize, GetPageSize, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
     wxPROPERTY_FLAGS( WindowStyle , wxScrollBarStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 wxEND_PROPERTIES_TABLE()
 
@@ -90,78 +90,18 @@ IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
 bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
            const wxPoint& pos,
            const wxSize& size, long style,
-           const wxValidator& wxVALIDATOR_PARAM(validator),
+           const wxValidator& validator,
            const wxString& name)
 {
-    if (!parent)
-        return FALSE;
-    parent->AddChild(this);
-    SetName(name);
-#if wxUSE_VALIDATORS
-    SetValidator(validator);
-#endif // wxUSE_VALIDATORS
-
-    if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT)
-        style |= wxNO_BORDER;
-
-    SetBackgroundColour(parent->GetBackgroundColour()) ;
-    SetForegroundColour(parent->GetForegroundColour()) ;
-    m_windowStyle = style;
-
-  if ( id == -1 )
-      m_windowId = (int)NewControlId();
-  else
-    m_windowId = id;
-
-  int x = pos.x;
-  int y = pos.y;
-  int width = size.x;
-  int height = size.y;
-
-    if (width == -1)
-    {
-      if (style & wxHORIZONTAL)
-        width = 140;
-      else
-        width = 14;
-    }
-    if (height == -1)
-    {
-      if (style & wxVERTICAL)
-        height = 140;
-      else
-        height = 14;
-    }
-
-    WXDWORD exStyle = 0;
-    WXDWORD wstyle = MSWGetStyle(style, & exStyle) ;
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+        return false;
 
-    // Now create scrollbar
-    DWORD _direction = (style & wxHORIZONTAL) ?
-                        SBS_HORZ: SBS_VERT;
-    HWND scroll_bar = CreateWindowEx(exStyle, wxT("SCROLLBAR"), wxT("scrollbar"),
-                         _direction | wstyle,
-                         0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
-                         wxGetInstance(), NULL);
+    if (!MSWCreateControl(wxT("ScrollBar"), wxEmptyString, pos, size))
+        return false;
 
-    m_pageSize = 1;
-    m_viewSize = 1;
-    m_objectSize = 1;
+    SetScrollbar(0, 1, 2, 1, false);
 
-    ::SetScrollRange(scroll_bar, SB_CTL, 0, 1, FALSE);
-    ::SetScrollPos(scroll_bar, SB_CTL, 0, FALSE);
-    ShowWindow(scroll_bar, SW_SHOW);
-
-    SetFont(parent->GetFont());
-
-    m_hWnd = (WXHWND)scroll_bar;
-
-    // Subclass again for purposes of dialog editing mode
-    SubclassWin((WXHWND) scroll_bar);
-
-    SetSize(x, y, width, height);
-
-    return TRUE;
+    return true;
 }
 
 wxScrollBar::~wxScrollBar(void)
@@ -175,6 +115,8 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
     int position,
         maxPos, trackPos = pos;
 
+    wxUnusedVar(trackPos);
+
     // when we're dragging the scrollbar we can't use pos parameter because it
     // is limited to 16 bits
     // JACS: now always using GetScrollInfo, since there's no reason
@@ -263,7 +205,7 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
 
         case SB_ENDSCROLL:
             nScrollInc = 0;
-            scrollEvent = wxEVT_SCROLL_ENDSCROLL;
+            scrollEvent = wxEVT_SCROLL_CHANGED;
             break;
 
         default:
@@ -282,11 +224,11 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
         SetThumbPosition(position);
     }
     else if ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE &&
-                scrollEvent != wxEVT_SCROLL_ENDSCROLL )
+                scrollEvent != wxEVT_SCROLL_CHANGED )
     {
         // don't process the event if there is no displacement,
         // unless this is a thumb release or end scroll event.
-        return FALSE;
+        return false;
     }
 
     wxScrollEvent event(scrollEvent, m_windowId);
@@ -358,21 +300,14 @@ void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageS
 
   ::SetScrollInfo((HWND) GetHWND(), SB_CTL, &info, refresh);
 #else
-  ::SetScrollPos((HWND)m_hWnd, SB_CTL, position, TRUE);
-  ::SetScrollRange((HWND)m_hWnd, SB_CTL, 0, range1, TRUE);
+  ::SetScrollPos((HWND)m_hWnd, SB_CTL, position, refresh);
+  ::SetScrollRange((HWND)m_hWnd, SB_CTL, 0, range1, refresh);
 #endif
 }
 
-
-WXHBRUSH wxScrollBar::OnCtlColor(WXHDC WXUNUSED(pDC), WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
-            WXUINT WXUNUSED(message), WXWPARAM WXUNUSED(wParam), WXLPARAM WXUNUSED(lParam))
-{
-  return 0;
-}
-
 void wxScrollBar::Command(wxCommandEvent& event)
 {
-    SetThumbPosition(event.m_commandInt);
+    SetThumbPosition(event.GetInt());
     ProcessCommand(event);
 }
 
@@ -390,7 +325,32 @@ wxSize wxScrollBar::DoGetBestSize() const
         h = wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
     }
 
-    return wxSize(w, h);
+    wxSize best(w, h);
+    CacheBestSize(best);
+    return best;
+}
+
+WXDWORD wxScrollBar::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    // we never have an external border
+    WXDWORD msStyle = wxControl::MSWGetStyle
+                      (
+                        (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
+                      );
+
+    // SBS_HORZ is 0 anyhow, but do mention it explicitly for clarity
+    msStyle |= style & wxSB_HORIZONTAL ? SBS_HORZ : SBS_VERT;
+
+    return msStyle;
+}
+
+WXHBRUSH wxScrollBar::MSWControlColor(WXHDC pDC, WXHWND hWnd)
+{
+    // unless we have an explicitly set bg colour, use default (gradient under
+    // XP) brush instead of GetBackgroundColour() one as the base class would
+    //
+    // note that fg colour isn't used for a scrollbar
+    return UseBgCol() ? wxControl::MSWControlColor(pDC, hWnd) : NULL;
 }
 
 #endif // wxUSE_SCROLLBAR