X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4e9da8b79e9218bf194f70af9b5ad706967c0099..773cca488793b26140468085d701ef2b702484a0:/src/msw/button.cpp

diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index e512e506d2..95f1ba1fa6 100644
--- a/src/msw/button.cpp
+++ b/src/msw/button.cpp
@@ -36,6 +36,7 @@
     #include "wx/settings.h"
     #include "wx/dcscreen.h"
     #include "wx/dcclient.h"
+    #include "wx/toplevel.h"
 #endif
 
 #include "wx/stockitem.h"
@@ -197,6 +198,11 @@ bool wxButton::Create(wxWindow *parent,
 
 wxButton::~wxButton()
 {
+    wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+    if ( tlw && tlw->GetTmpDefaultItem() == this )
+    {
+        UnsetTmpDefault();
+    }
 }
 
 // ----------------------------------------------------------------------------
@@ -248,7 +254,7 @@ wxSize wxButton::DoGetBestSize() const
 
     wxCoord wBtn,
             hBtn;
-    dc.GetMultiLineTextExtent(wxStripMenuCodes(GetLabel()), &wBtn, &hBtn);
+    dc.GetMultiLineTextExtent(GetLabelText(), &wBtn, &hBtn);
 
     // add a margin -- the button is wider than just its label
     wBtn += 3*GetCharWidth();
@@ -337,29 +343,48 @@ wxSize wxButtonBase::GetDefaultSize()
  */
 
 // set this button as the (permanently) default one in its panel
-void wxButton::SetDefault()
+wxWindow *wxButton::SetDefault()
 {
-    wxWindow *parent = GetParent();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
-
     // set this one as the default button both for wxWidgets ...
-    wxWindow *winOldDefault = parent->SetDefaultItem(this);
+    wxWindow *winOldDefault = wxButtonBase::SetDefault();
 
     // ... and Windows
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);
     SetDefaultStyle(this, true);
+
+    return winOldDefault;
+}
+
+// special version of wxGetTopLevelParent() which is safe to call when the
+// parent is being destroyed: wxGetTopLevelParent() would just return NULL in
+// this case because wxWindow version of IsTopLevel() is used when it's called
+// during window destruction instead of wxTLW one, but we want to distinguish
+// between these cases
+static wxTopLevelWindow *GetTLWParentIfNotBeingDeleted(wxWindow *win)
+{
+    for ( ; win; win = win->GetParent() )
+    {
+        if ( win->IsBeingDeleted() )
+            return NULL;
+
+        if ( win->IsTopLevel() )
+            break;
+    }
+
+    wxASSERT_MSG( win, _T("button without top level parent?") );
+
+    return wxDynamicCast(win, wxTopLevelWindow);
 }
 
 // set this button as being currently default
 void wxButton::SetTmpDefault()
 {
-    wxWindow *parent = GetParent();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxTopLevelWindow * const tlw = GetTLWParentIfNotBeingDeleted(GetParent());
+    if ( !tlw )
+        return;
 
-    wxWindow *winOldDefault = parent->GetDefaultItem();
-    parent->SetTmpDefaultItem(this);
+    wxWindow *winOldDefault = tlw->GetDefaultItem();
+    tlw->SetTmpDefaultItem(this);
 
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);
     SetDefaultStyle(this, true);
@@ -368,13 +393,13 @@ void wxButton::SetTmpDefault()
 // unset this button as currently default, it may still stay permanent default
 void wxButton::UnsetTmpDefault()
 {
-    wxWindow *parent = GetParent();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxTopLevelWindow * const tlw = GetTLWParentIfNotBeingDeleted(GetParent());
+    if ( !tlw )
+        return;
 
-    parent->SetTmpDefaultItem(NULL);
+    tlw->SetTmpDefaultItem(NULL);
 
-    wxWindow *winOldDefault = parent->GetDefaultItem();
+    wxWindow *winOldDefault = tlw->GetDefaultItem();
 
     SetDefaultStyle(this, false);
     SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), true);
@@ -397,18 +422,13 @@ wxButton::SetDefaultStyle(wxButton *btn, bool on)
         if ( !wxTheApp->IsActive() )
             return;
 
-        // look for a panel-like window
-        wxWindow *win = btn->GetParent();
-        while ( win && !win->HasFlag(wxTAB_TRAVERSAL) )
-            win = win->GetParent();
+        wxWindow * const tlw = wxGetTopLevelParent(btn);
+        wxCHECK_RET( tlw, _T("button without top level window?") );
 
-        if ( win )
-        {
-            ::SendMessage(GetHwndOf(win), DM_SETDEFID, btn->GetId(), 0L);
+        ::SendMessage(GetHwndOf(tlw), DM_SETDEFID, btn->GetId(), 0L);
 
-            // sending DM_SETDEFID also changes the button style to
-            // BS_DEFPUSHBUTTON so there is nothing more to do
-        }
+        // sending DM_SETDEFID also changes the button style to
+        // BS_DEFPUSHBUTTON so there is nothing more to do
     }
 
     // then also change the style as needed
@@ -552,7 +572,8 @@ static void DrawButtonText(HDC hdc,
         // first we need to compute its bounding rect
         RECT rc;
         ::CopyRect(&rc, pRect);
-        ::DrawText(hdc, text, text.length(), &rc, DT_CENTER | DT_CALCRECT);
+        ::DrawText(hdc, text.wx_str(), text.length(), &rc,
+                   DT_CENTER | DT_CALCRECT);
 
         // now center this rect inside the entire button area
         const LONG w = rc.right - rc.left;
@@ -562,12 +583,12 @@ static void DrawButtonText(HDC hdc,
         rc.top = (pRect->bottom - pRect->top)/2 - h/2;
         rc.bottom = rc.top+h;
 
-        ::DrawText(hdc, text, text.length(), &rc, DT_CENTER);
+        ::DrawText(hdc, text.wx_str(), text.length(), &rc, DT_CENTER);
     }
     else // single line label
     {
         // Note: we must have DT_SINGLELINE for DT_VCENTER to work.
-        ::DrawText(hdc, text, text.length(), pRect,
+        ::DrawText(hdc, text.wx_str(), text.length(), pRect,
                    DT_SINGLELINE | DT_CENTER | DT_VCENTER);
     }
 
@@ -817,10 +838,10 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
         bool selected = (state & ODS_SELECTED) != 0;
         if ( !selected )
         {
-            wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
-            if ( panel )
+            wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+            if ( tlw )
             {
-                selected = panel->GetDefaultItem() == this;
+                selected = tlw->GetDefaultItem() == this;
             }
         }
         bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
@@ -848,11 +869,10 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
     }
 
     COLORREF colFg = wxColourToRGB(GetForegroundColour());
-    DrawButtonText(hdc, &rectBtn,
-                   (state & ODS_NOACCEL ? wxStripMenuCodes(GetLabel())
-                                        : GetLabel()),
-                   state & ODS_DISABLED ? GetSysColor(COLOR_GRAYTEXT)
-                                        : colFg);
+    if ( state & ODS_DISABLED ) colFg = GetSysColor(COLOR_GRAYTEXT) ;
+    wxString label = GetLabel();
+    if ( state & ODS_NOACCEL ) label = GetLabelText() ;
+    DrawButtonText(hdc, &rectBtn, label, colFg);
 
     return true;
 }