#endif
#include "wx/stockitem.h"
-#include "wx/tokenzr.h"
#include "wx/msw/private.h"
+#include "wx/msw/private/button.h"
#if wxUSE_UXTHEME
#include "wx/msw/uxtheme.h"
IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
#endif
-// this macro tries to adjust the default button height to a reasonable value
-// using the char height as the base
-#define BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cy) (11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)/10)
-
// ============================================================================
// implementation
// ============================================================================
+// ----------------------------------------------------------------------------
+// helper functions from wx/msw/private/button.h
+// ----------------------------------------------------------------------------
+
+void wxMSWButton::UpdateMultilineStyle(HWND hwnd, 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 as we don't use BS_MULTILINE when creating
+ // the control unless it already has new lines in its label)
+ long styleOld = ::GetWindowLong(hwnd, GWL_STYLE),
+ styleNew;
+ if ( label.find(_T('\n')) != wxString::npos )
+ styleNew = styleOld | BS_MULTILINE;
+ else
+ styleNew = styleOld & ~BS_MULTILINE;
+
+ if ( styleNew != styleOld )
+ ::SetWindowLong(hwnd, GWL_STYLE, styleNew);
+}
+
+wxSize wxMSWButton::ComputeBestSize(wxControl *btn)
+{
+ wxClientDC dc(btn);
+
+ wxCoord wBtn,
+ hBtn;
+ dc.GetMultiLineTextExtent(btn->GetLabelText(), &wBtn, &hBtn);
+
+ // FIXME: this is pure guesswork, need to retrieve the real button margins
+ wBtn += 3*btn->GetCharWidth();
+ hBtn = 11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(hBtn)/10;
+
+ // all buttons have at least the standard size unless the user explicitly
+ // wants them to be of smaller size and used wxBU_EXACTFIT style when
+ // creating the button
+ if ( !btn->HasFlag(wxBU_EXACTFIT) )
+ {
+ wxSize sz = wxButton::GetDefaultSize();
+ if ( wBtn < sz.x )
+ wBtn = sz.x;
+ if ( hBtn < sz.y )
+ hBtn = sz.y;
+ }
+
+ wxSize best(wBtn, hBtn);
+ btn->CacheBestSize(best);
+ return best;
+}
+
// ----------------------------------------------------------------------------
// creation/destruction
// ----------------------------------------------------------------------------
//
// NB: we do it here and not in MSWGetStyle() because we need the label
// value and the label is not set yet when MSWGetStyle() is called
- if ( label.find(_T('\n')) != wxString::npos )
- {
- msStyle |= BS_MULTILINE;
- }
+ msStyle |= wxMSWButton::GetMultilineStyle(label);
return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
}
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);
+ wxMSWButton::UpdateMultilineStyle(GetHwnd(), label);
wxButtonBase::SetLabel(label);
}
wxSize wxButton::DoGetBestSize() const
{
- wxClientDC dc(wx_const_cast(wxButton *, this));
- dc.SetFont(GetFont());
-
- wxCoord wBtn,
- hBtn;
- dc.GetMultiLineTextExtent(GetLabelText(), &wBtn, &hBtn);
-
- // add a margin -- the button is wider than just its label
- wBtn += 3*GetCharWidth();
- hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hBtn);
-
- // all buttons have at least the standard size unless the user explicitly
- // wants them to be of smaller size and used wxBU_EXACTFIT style when
- // creating the button
- if ( !HasFlag(wxBU_EXACTFIT) )
- {
- wxSize sz = GetDefaultSize();
- if (wBtn > sz.x)
- sz.x = wBtn;
- if (hBtn > sz.y)
- sz.y = hBtn;
-
- return sz;
- }
-
- wxSize best(wBtn, hBtn);
- CacheBestSize(best);
- return best;
+ return wxMSWButton::ComputeBestSize(wx_const_cast(wxButton *, this));
}
/* static */
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
+// return the top level parent window if it's not being deleted yet, otherwise
+// return NULL
static wxTopLevelWindow *GetTLWParentIfNotBeingDeleted(wxWindow *win)
{
- for ( ; win; win = win->GetParent() )
+ for ( ;; )
{
- if ( win->IsBeingDeleted() )
- return NULL;
+ // IsTopLevel() will return false for a wxTLW being deleted, so we also
+ // need the parent test for this case
+ wxWindow * const parent = win->GetParent();
+ if ( !parent || win->IsTopLevel() )
+ {
+ if ( win->IsBeingDeleted() )
+ return NULL;
- if ( win->IsTopLevel() )
break;
+ }
+
+ win = parent;
}
wxASSERT_MSG( win, _T("button without top level parent?") );
- return wxDynamicCast(win, wxTopLevelWindow);
+ wxTopLevelWindow * const tlw = wxDynamicCast(win, wxTopLevelWindow);
+ wxASSERT_MSG( tlw, _T("logic error in GetTLWParentIfNotBeingDeleted()") );
+
+ return tlw;
}
// set this button as being currently default
}
#endif // wxUSE_BUTTON
+
projects / wxWidgets.git / blobdiff