blind fix for wxGIFDecoder::ReadGIF

[wxWidgets.git] / src / msw / scrolbar.cpp

diff --git a/src/msw/scrolbar.cpp b/src/msw/scrolbar.cpp
index ab6f9668b50f2f0b47dcfda06f8a88123ee68a6d..5cfec12c461085cfd062b98dd926d462b1e5e95c 100644 (file)
--- a/src/msw/scrolbar.cpp
+++ b/src/msw/scrolbar.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        scrolbar.cpp
+// Name:        msw/scrolbar.cpp

 // Purpose:     wxScrollBar
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     wxScrollBar
 // Author:      Julian Smart
 // Modified by:


@@ -10,19 +10,20 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__

-#pragma implementation "scrolbar.h"
+    #pragma implementation "scrolbar.h"

 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

+#if wxUSE_SCROLLBAR
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-#include "wx/defs.h"
-#include "wx/utils.h"
+    #include "wx/utils.h"

 #endif
 
 #include "wx/scrolbar.h"
 #endif
 
 #include "wx/scrolbar.h"


@@ -51,7 +52,7 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
 #if wxUSE_VALIDATORS
     SetValidator(validator);
 #endif // wxUSE_VALIDATORS
 #if wxUSE_VALIDATORS
     SetValidator(validator);
 #endif // wxUSE_VALIDATORS

-    
+

     SetBackgroundColour(parent->GetBackgroundColour()) ;
     SetForegroundColour(parent->GetForegroundColour()) ;
     m_windowStyle = style;
     SetBackgroundColour(parent->GetBackgroundColour()) ;
     SetForegroundColour(parent->GetForegroundColour()) ;
     m_windowStyle = style;


@@ -81,11 +82,16 @@ bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
         height = 14;
     }
 
         height = 14;
     }
 

+    DWORD wstyle = WS_VISIBLE | WS_CHILD;
+
+    if ( m_windowStyle & wxCLIP_SIBLINGS )
+      wstyle |= WS_CLIPSIBLINGS;
+

     // Now create scrollbar
     DWORD _direction = (style & wxHORIZONTAL) ?
                         SBS_HORZ: SBS_VERT;
     HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(style), wxT("SCROLLBAR"), wxT("scrollbar"),
     // Now create scrollbar
     DWORD _direction = (style & wxHORIZONTAL) ?
                         SBS_HORZ: SBS_VERT;
     HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(style), wxT("SCROLLBAR"), wxT("scrollbar"),

-                         _direction | WS_CHILD | WS_VISIBLE,
+                         _direction | wstyle,

                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
                          wxGetInstance(), NULL);
 
                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
                          wxGetInstance(), NULL);
 


@@ -131,7 +137,6 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
     wxEventType scrollEvent = wxEVT_NULL;
 
     int nScrollInc;
     wxEventType scrollEvent = wxEVT_NULL;
 
     int nScrollInc;

-    bool isScrolling = TRUE;

     switch ( wParam )
     {
         case SB_TOP:
     switch ( wParam )
     {
         case SB_TOP:


@@ -165,8 +170,9 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
             break;
 
         case SB_THUMBPOSITION:
             break;
 
         case SB_THUMBPOSITION:

-            isScrolling = FALSE;
-            /* fall-through */
+            nScrollInc = pos - position;
+            scrollEvent = wxEVT_SCROLL_THUMBRELEASE;
+            break;

 
         case SB_THUMBTRACK:
             nScrollInc = pos - position;
 
         case SB_THUMBTRACK:
             nScrollInc = pos - position;


@@ -177,10 +183,10 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
             nScrollInc = 0;
     }
 
             nScrollInc = 0;
     }
 

-    if (( nScrollInc == 0 ) && isScrolling )
+    // don't process the event if there is no displacement,
+    // unless this is a thumb release event.
+    if (( nScrollInc == 0 ) && ( scrollEvent != wxEVT_SCROLL_THUMBRELEASE ))

     {
     {

-        // no event to process, so don't process it
-        // GRG: always process SB_THUMBPOSITION !

         return FALSE;
     }
 
         return FALSE;
     }
 


@@ -195,7 +201,6 @@ bool wxScrollBar::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
     wxScrollEvent event(scrollEvent, m_windowId);
     event.SetPosition(new_pos);
     event.SetEventObject( this );
     wxScrollEvent event(scrollEvent, m_windowId);
     event.SetPosition(new_pos);
     event.SetEventObject( this );

-    event.SetScrolling(isScrolling);

 
     return GetEventHandler()->ProcessEvent(event);
 }
 
     return GetEventHandler()->ProcessEvent(event);
 }


@@ -263,8 +268,8 @@ In version 4.0 or later, the maximum value that a scroll bar can report
 If the scroll bar has a page size greater than one, the maximum scrolling position
 is less than the maximum range value. You can use the following formula to calculate
 the maximum scrolling position:
 If the scroll bar has a page size greater than one, the maximum scrolling position
 is less than the maximum range value. You can use the following formula to calculate
 the maximum scrolling position:

-  
-MaxScrollPos = MaxRangeValue - (PageSize - 1) 
+
+MaxScrollPos = MaxRangeValue - (PageSize - 1)

 */
 
 #if WXWIN_COMPATIBILITY
 */
 
 #if WXWIN_COMPATIBILITY


@@ -327,8 +332,8 @@ void wxScrollBar::GetValues(int *viewStart, int *viewLength, int *objectLength,
 }
 #endif
 
 }
 #endif
 

-WXHBRUSH wxScrollBar::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-            WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+WXHBRUSH wxScrollBar::OnCtlColor(WXHDC WXUNUSED(pDC), WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+            WXUINT WXUNUSED(message), WXWPARAM WXUNUSED(wParam), WXLPARAM WXUNUSED(lParam))

 {
   return 0;
 }
 {
   return 0;
 }


@@ -353,3 +358,5 @@ void wxScrollBar::OnScroll(wxScrollEvent& event)
     }
 }
 #endif
     }
 }
 #endif

+
+#endif // wxUSE_SCROLLBAR