X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a16a233822dd1ae4f862e40b077f9407f58c32ed..c8b6d5a0498d5493639d2d943043159ee2605036:/src/common/wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index b337a659e4..30dc010510 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -215,7 +215,6 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
                               const wxPoint& WXUNUSED(pos),
                               const wxSize& WXUNUSED(size),
                               long style,
-                              const wxValidator& wxVALIDATOR_PARAM(validator),
                               const wxString& name)
 {
     // ids are limited to 16 bits under MSW so if you care about portability,
@@ -243,6 +242,20 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     SetName(name);
     SetParent(parent);
 
+    return true;
+}
+
+bool wxWindowBase::CreateBase(wxWindowBase *parent,
+                              wxWindowID id,
+                              const wxPoint& pos,
+                              const wxSize& size,
+                              long style,
+                              const wxValidator& wxVALIDATOR_PARAM(validator),
+                              const wxString& name)
+{
+    if ( !CreateBase(parent, id, pos, size, style, name) )
+        return false;
+
 #if wxUSE_VALIDATORS
     SetValidator(validator);
 #endif // wxUSE_VALIDATORS
@@ -474,7 +487,7 @@ static bool wxHasRealChildren(const wxWindowBase* win)
           node = node->GetNext() )
     {
         wxWindow *win = node->GetData();
-        if ( !win->IsTopLevel() && win->IsShown() 
+        if ( !win->IsTopLevel() && win->IsShown()
 #if wxUSE_SCROLLBAR
             && !win->IsKindOf(CLASSINFO(wxScrollBar))
 #endif
@@ -593,19 +606,14 @@ wxSize wxWindowBase::DoGetBestSize() const
     }
     else // ! has children
     {
-        // for a generic window there is no natural best size so, if the
-        // minimal size is not set, use the current size but take care to
-        // remember it as minimal size for the next time because our best size
-        // should be constant: otherwise we could get into a situation when the
-        // window is initially at some size, then expanded to a larger size and
-        // then, when the containing window is shrunk back (because our initial
-        // best size had been used for computing the parent min size), we can't
-        // be shrunk back any more because our best size is now bigger
         wxSize size = GetMinSize();
         if ( !size.IsFullySpecified() )
         {
-            size.SetDefaults(GetSize());
-            wxConstCast(this, wxWindowBase)->SetMinSize(size);
+            // if the window doesn't define its best size we assume that it can
+            // be arbitrarily small -- usually this is not the case, of course,
+            // but we have no way to know what the limit is, it should really
+            // override DoGetBestClientSize() itself to tell us
+            size.SetDefaults(wxSize(1, 1));
         }
 
         // return as-is, unadjusted by the client size difference.
@@ -896,6 +904,20 @@ void wxWindowBase::SendSizeEventToParent(int flags)
         parent->SendSizeEvent(flags);
 }
 
+bool wxWindowBase::HasScrollbar(int orient) const
+{
+    // if scrolling in the given direction is disabled, we can't have the
+    // corresponding scrollbar no matter what
+    if ( !CanScroll(orient) )
+        return false;
+
+    const wxSize sizeVirt = GetVirtualSize();
+    const wxSize sizeClient = GetClientSize();
+
+    return orient == wxHORIZONTAL ? sizeVirt.x > sizeClient.x
+                                  : sizeVirt.y > sizeClient.y;
+}
+
 // ----------------------------------------------------------------------------
 // show/hide/enable/disable the window
 // ----------------------------------------------------------------------------
@@ -2544,8 +2566,11 @@ wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
 
 #endif // wxUSE_MENUS
 
-// methods for drawing the sizers in a visible way
-#ifdef __WXDEBUG__
+// methods for drawing the sizers in a visible way: this is currently only
+// enabled for "full debug" builds with wxDEBUG_LEVEL==2 as it doesn't work
+// that well and also because we don't want to leave it enabled in default
+// builds used for production
+#if wxDEBUG_LEVEL > 1
 
 static void DrawSizers(wxWindowBase *win);
 
@@ -2627,22 +2652,25 @@ static void DrawSizers(wxWindowBase *win)
     }
 }
 
-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL
 
 // process special middle clicks
 void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
 {
     if ( event.ControlDown() && event.AltDown() )
     {
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL > 1
         // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
         if ( event.ShiftDown() )
         {
             DrawSizers(this);
-            return;
         }
+        else
 #endif // __WXDEBUG__
-        ::wxInfoMessageBox((wxWindow*)this);
+        {
+            // just Ctrl-Alt-middle click shows information about wx version
+            ::wxInfoMessageBox((wxWindow*)this);
+        }
     }
     else
     {