X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e0a050e347b1ece07ad5f165ba1b1d16edbeae77..f96524a0f6e44549b55c5adbbb90c8ee0d5419f1:/src/msw/button.cpp

diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index 95f1ba1fa6..64e4790923 100644
--- a/src/msw/button.cpp
+++ b/src/msw/button.cpp
@@ -161,16 +161,14 @@ bool wxButton::Create(wxWindow *parent,
     wxString label(lbl);
     if (label.empty() && wxIsStockID(id))
     {
-        // On Windows, some buttons aren't supposed to have
-        // mnemonics, so strip them out.
-
-        label = wxGetStockLabel(id
-#if defined(__WXMSW__) || defined(__WXWINCE__)
-                                        , ( id != wxID_OK &&
-                                            id != wxID_CANCEL &&
-                                            id != wxID_CLOSE )
-#endif
-                                );
+        // On Windows, some buttons aren't supposed to have mnemonics
+        label = wxGetStockLabel
+                (
+                    id,
+                    id == wxID_OK || id == wxID_CANCEL || id == wxID_CLOSE
+                        ? wxSTOCK_NOFLAGS
+                        : wxSTOCK_WITH_MNEMONIC
+                );
     }
 
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
@@ -179,19 +177,16 @@ bool wxButton::Create(wxWindow *parent,
     WXDWORD exstyle;
     WXDWORD msStyle = MSWGetStyle(style, &exstyle);
 
-#ifdef __WIN32__
     // if the label contains several lines we must explicitly tell the button
     // about it or it wouldn't draw it correctly ("\n"s would just appear as
     // black boxes)
     //
     // NB: we do it here and not in MSWGetStyle() because we need the label
-    //     value and m_label is not set yet when MSWGetStyle() is called;
-    //     besides changing BS_MULTILINE during run-time is pointless anyhow
+    //     value and the label is not set yet when MSWGetStyle() is called
     if ( label.find(_T('\n')) != wxString::npos )
     {
         msStyle |= BS_MULTILINE;
     }
-#endif // __WIN32__
 
     return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
 }
@@ -222,7 +217,6 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
     // the bottom
     msStyle |= WS_CLIPSIBLINGS;
 
-#ifdef __WIN32__
     // don't use "else if" here: weird as it is, but you may combine wxBU_LEFT
     // and wxBU_RIGHT to get BS_CENTER!
     if ( style & wxBU_LEFT )
@@ -238,11 +232,29 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
     if ( style & wxNO_BORDER )
         msStyle |= BS_FLAT;
 #endif // __WXWINCE__
-#endif // __WIN32__
 
     return msStyle;
 }
 
+void wxButton::SetLabel(const wxString& label)
+{
+    // update BS_MULTILINE style depending on the new label (resetting it
+    // doesn't seem to do anything very useful but it shouldn't hurt and we do
+    // have to set it whenever the label becomes multi line as otherwise it
+    // wouldn't be shown correctly)
+    long styleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE),
+         styleNew;
+    if ( label.find(_T('\n')) != wxString::npos )
+        styleNew = styleOld | BS_MULTILINE;
+    else
+        styleNew = styleOld & ~BS_MULTILINE;
+
+    if ( styleNew != styleOld )
+        ::SetWindowLong(GetHwnd(), GWL_STYLE, styleNew);
+
+    wxButtonBase::SetLabel(label);
+}
+
 // ----------------------------------------------------------------------------
 // size management including autosizing
 // ----------------------------------------------------------------------------
@@ -553,8 +565,6 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 // owner-drawn buttons support
 // ----------------------------------------------------------------------------
 
-#ifdef __WIN32__
-
 // drawing helpers
 
 static void DrawButtonText(HDC hdc,
@@ -877,6 +887,4 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
     return true;
 }
 
-#endif // __WIN32__
-
 #endif // wxUSE_BUTTON