X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/35c71386316b480769f568d6cb4ac40317c2b6ba..d949570b6673dadd764686213afb89bddb6f19da:/src/generic/scrlwing.cpp

diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index 984bcad7f5..4d4c52bc70 100644
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -18,10 +18,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __VMS
-#define XtDisplay XTDISPLAY
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -29,6 +25,10 @@
     #pragma hdrstop
 #endif
 
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
+#endif
+
 #include "wx/scrolwin.h"
 
 #ifndef WX_PRECOMP
@@ -41,6 +41,10 @@
     #include "wx/sizer.h"
 #endif
 
+#ifdef __WXMAC__
+#include "wx/scrolbar.h"
+#endif
+
 #include "wx/recguard.h"
 
 #ifdef __WXMSW__
@@ -273,10 +277,14 @@ bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event)
         m_scrollHelper->HandleOnMouseLeave((wxMouseEvent &)event);
     }
 #if wxUSE_MOUSEWHEEL
+    // Use GTK's own scroll wheel handling in GtkScrolledWindow
+#ifndef __WXGTK20__
     else if ( evType == wxEVT_MOUSEWHEEL )
     {
         m_scrollHelper->HandleOnMouseWheel((wxMouseEvent &)event);
+        return true;
     }
+#endif
 #endif // wxUSE_MOUSEWHEEL
     else if ( evType == wxEVT_CHAR )
     {
@@ -480,10 +488,6 @@ void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
     }
 
     bool needsRefresh = false;
-#ifdef __WXMAC__
-    // OS X blocks on immediate redraws, so make this a refresh
-    needsRefresh = true;
-#endif
     int dx = 0,
         dy = 0;
     int orient = event.GetOrientation();
@@ -515,7 +519,12 @@ void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
         // flush all pending repaints before we change m_{x,y}ScrollPosition, as
         // otherwise invalidated area could be updated incorrectly later when
         // ScrollWindow() makes sure they're repainted before scrolling them
+#ifdef __WXMAC__
+        // wxWindowMac is taking care of making sure the update area is correctly
+        // set up, while not forcing an immediate redraw
+#else
         m_targetWindow->Update();
+#endif
     }
 
     if (orient == wxHORIZONTAL)
@@ -592,49 +601,36 @@ int wxScrollHelper::CalcScrollInc(wxScrollWinEvent& event)
 
     if (orient == wxHORIZONTAL)
     {
-        if (m_xScrollPixelsPerLine > 0)
+        if ( m_xScrollPosition + nScrollInc < 0 )
         {
-            if ( m_xScrollPosition + nScrollInc < 0 )
-            {
-                // As -ve as we can go
-                nScrollInc = -m_xScrollPosition;
-            }
-            else // check for the other bound
+            // As -ve as we can go
+            nScrollInc = -m_xScrollPosition;
+        }
+        else // check for the other bound
+        {
+            const int posMax = m_xScrollLines - m_xScrollLinesPerPage;
+            if ( m_xScrollPosition + nScrollInc > posMax )
             {
-                const int posMax = m_xScrollLines - m_xScrollLinesPerPage;
-                if ( m_xScrollPosition + nScrollInc > posMax )
-                {
-                    // As +ve as we can go
-                    nScrollInc = posMax - m_xScrollPosition;
-                }
+                // As +ve as we can go
+                nScrollInc = posMax - m_xScrollPosition;
             }
         }
-        else
-            m_targetWindow->Refresh(true, GetScrollRect());
     }
-    else
+    else // wxVERTICAL
     {
-        if ( m_yScrollPixelsPerLine > 0 )
+        if ( m_yScrollPosition + nScrollInc < 0 )
         {
-            if ( m_yScrollPosition + nScrollInc < 0 )
-            {
-                // As -ve as we can go
-                nScrollInc = -m_yScrollPosition;
-            }
-            else // check for the other bound
-            {
-                const int posMax = m_yScrollLines - m_yScrollLinesPerPage;
-                if ( m_yScrollPosition + nScrollInc > posMax )
-                {
-                    // As +ve as we can go
-                    nScrollInc = posMax - m_yScrollPosition;
-                }
-            }
+            // As -ve as we can go
+            nScrollInc = -m_yScrollPosition;
         }
-        else
+        else // check for the other bound
         {
-            // VZ: why do we do this? (FIXME)
-            m_targetWindow->Refresh(true, GetScrollRect());
+            const int posMax = m_yScrollLines - m_yScrollLinesPerPage;
+            if ( m_yScrollPosition + nScrollInc > posMax )
+            {
+                // As +ve as we can go
+                nScrollInc = posMax - m_yScrollPosition;
+            }
         }
     }
 
@@ -1192,18 +1188,18 @@ void wxScrollHelper::HandleOnChar(wxKeyEvent& event)
 
     if ( m_xScrollPosition != xScrollOld )
     {
-        wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBTRACK, m_xScrollPosition,
+        wxScrollWinEvent evt(wxEVT_SCROLLWIN_THUMBTRACK, m_xScrollPosition,
                                wxHORIZONTAL);
-        event.SetEventObject(m_win);
-        m_win->GetEventHandler()->ProcessEvent(event);
+        evt.SetEventObject(m_win);
+        m_win->GetEventHandler()->ProcessEvent(evt);
     }
 
     if ( m_yScrollPosition != yScrollOld )
     {
-        wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBTRACK, m_yScrollPosition,
+        wxScrollWinEvent evt(wxEVT_SCROLLWIN_THUMBTRACK, m_yScrollPosition,
                                wxVERTICAL);
-        event.SetEventObject(m_win);
-        m_win->GetEventHandler()->ProcessEvent(event);
+        evt.SetEventObject(m_win);
+        m_win->GetEventHandler()->ProcessEvent(evt);
     }
 }
 
@@ -1371,7 +1367,13 @@ bool wxScrolledWindow::Create(wxWindow *parent,
     MacSetClipChildren( true ) ;
 #endif
 
-    bool ok = wxPanel::Create(parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name);
+    // by default, we're scrollable in both directions (but if one of the
+    // styles is specified explicitly, we shouldn't add the other one
+    // automatically)
+    if ( !(style & (wxHSCROLL | wxVSCROLL)) )
+        style |= wxHSCROLL | wxVSCROLL;
+
+    bool ok = wxPanel::Create(parent, id, pos, size, style, name);
 
     return ok;
 }