Don't do the wx cleanup if wxPython didn't do the initialization.

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

diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index e5423b1ffb438e30d2029be2169b252c708303a6..2cafeca17ec76c63158349cf24ff0685423177c4 100644 (file)
--- a/src/msw/button.cpp
+++ b/src/msw/button.cpp
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_BUTTON
+

 #ifndef WX_PRECOMP
     #include "wx/button.h"
     #include "wx/brush.h"
 #ifndef WX_PRECOMP
     #include "wx/button.h"
     #include "wx/brush.h"


@@ -66,75 +68,64 @@ bool wxButton::Create(wxWindow *parent,
                       const wxValidator& validator,
                       const wxString& name)
 {
                       const wxValidator& validator,
                       const wxString& name)
 {

-    if ( !CreateBase(parent, id, pos, size, style, validator, name) )
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )

         return FALSE;
 
         return FALSE;
 

-    parent->AddChild((wxButton *)this);
+    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
+    if ( label.find(_T('\n')) != wxString::npos )
+    {
+        msStyle |= BS_MULTILINE;
+    }
+#endif // __WIN32__
+
+    return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
+}
+
+wxButton::~wxButton()
+{
+}

 
 

-    m_backgroundColour = parent->GetBackgroundColour();
-    m_foregroundColour = parent->GetForegroundColour();
+// ----------------------------------------------------------------------------
+// flags
+// ----------------------------------------------------------------------------

 
 

-    long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD /* | WS_CLIPSIBLINGS */ ;
+WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    // buttons never have an external border, they draw their own one
+    WXDWORD msStyle = wxControl::MSWGetStyle
+                      (
+                        (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
+                      );

 
 

-    if ( m_windowStyle & wxCLIP_SIBLINGS )
-        msStyle |= WS_CLIPSIBLINGS;
+    // we must use WS_CLIPSIBLINGS with the buttons or they would draw over
+    // each other in any resizeable dialog which has more than one button in
+    // the bottom
+    msStyle |= WS_CLIPSIBLINGS;

 
 #ifdef __WIN32__
 
 #ifdef __WIN32__

-    if(m_windowStyle & wxBU_LEFT)
+    // 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 )

         msStyle |= BS_LEFT;
         msStyle |= BS_LEFT;

-    if(m_windowStyle & wxBU_RIGHT)
+    if ( style & wxBU_RIGHT )

         msStyle |= BS_RIGHT;
         msStyle |= BS_RIGHT;

-    if(m_windowStyle & wxBU_TOP)
+    if ( style & wxBU_TOP )

         msStyle |= BS_TOP;
         msStyle |= BS_TOP;

-    if(m_windowStyle & wxBU_BOTTOM)
+    if ( style & wxBU_BOTTOM )

         msStyle |= BS_BOTTOM;
         msStyle |= BS_BOTTOM;

-#endif
-
-    m_hWnd = (WXHWND)CreateWindowEx
-                     (
-                      MakeExtendedStyle(m_windowStyle),
-                      wxT("BUTTON"),
-                      label,
-                      msStyle,
-                      0, 0, 0, 0,
-                      GetWinHwnd(parent),
-                      (HMENU)m_windowId,
-                      wxGetInstance(),
-                      NULL
-                     );
-
-    if (m_hWnd == 0)
-    {
-        wxString msg;
-#ifdef __WIN16__
-        msg.Printf(wxT("CreateWindowEx failed"));
-#else
-        msg.Printf(wxT("CreateWindowEx failed with error number %ld"), (long) GetLastError());
-#endif
-        wxFAIL_MSG(msg);
-    }
-
-    // Subclass again for purposes of dialog editing mode
-    SubclassWin(m_hWnd);
-
-    SetFont(parent->GetFont());
-
-    SetSize(pos.x, pos.y, size.x, size.y);
+#endif // __WIN32__

 
 

-    return TRUE;
-}
-
-wxButton::~wxButton()
-{
-    wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
-    if ( panel )
-    {
-        if ( panel->GetDefaultItem() == this )
-        {
-            // don't leave the panel with invalid default item
-            panel->SetDefaultItem(NULL);
-        }
-    }
+    return msStyle;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -164,14 +155,14 @@ wxSize wxButton::DoGetBestSize() const
 }
 
 /* static */
 }
 
 /* static */

-wxSize wxButton::GetDefaultSize()
+wxSize wxButtonBase::GetDefaultSize()

 {
     static wxSize s_sizeBtn;
 
     if ( s_sizeBtn.x == 0 )
     {
         wxScreenDC dc;
 {
     static wxSize s_sizeBtn;
 
     if ( s_sizeBtn.x == 0 )
     {
         wxScreenDC dc;

-        dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+        dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));

 
         // the size of a standard button in the dialog units is 50x14,
         // translate this to pixels
 
         // the size of a standard button in the dialog units is 50x14,
         // translate this to pixels


@@ -195,20 +186,20 @@ wxSize wxButton::GetDefaultSize()
 void wxButton::SetDefault()
 {
     wxWindow *parent = GetParent();
 void wxButton::SetDefault()
 {
     wxWindow *parent = GetParent();

-    wxButton *btnOldDefault = NULL;
-    wxPanel *panel = wxDynamicCast(parent, wxPanel);
-    if ( panel )
+    wxButton *btnOldDefault;
+    if ( parent )

     {
     {

-        btnOldDefault = panel->GetDefaultItem();
-        panel->SetDefaultItem(this);
-    }
+        wxWindow *winOldDefault = parent->SetDefaultItem(this);
+        btnOldDefault = wxDynamicCast(winOldDefault, wxButton);

 
 

-    if ( parent )
+        ::SendMessage(GetWinHwnd(parent), DM_SETDEFID, m_windowId, 0L);
+    }
+    else // is a button without parent really normal?

     {
     {

-        SendMessage(GetWinHwnd(parent), DM_SETDEFID, m_windowId, 0L);
+        btnOldDefault = NULL;

     }
 
     }
 

-    if ( btnOldDefault )
+    if ( btnOldDefault && btnOldDefault != this )

     {
         // remove the BS_DEFPUSHBUTTON style from the other button
         long style = GetWindowLong(GetHwndOf(btnOldDefault), GWL_STYLE);
     {
         // remove the BS_DEFPUSHBUTTON style from the other button
         long style = GetWindowLong(GetHwndOf(btnOldDefault), GWL_STYLE);


@@ -527,3 +518,6 @@ bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
 }
 
 #endif // __WIN32__
 }
 
 #endif // __WIN32__

+
+#endif // wxUSE_BUTTON
+