+wxButtonCocoaImpl::wxButtonCocoaImpl(wxWindowMac *wxpeer, wxNSButton *v)
+: wxWidgetCocoaImpl(wxpeer, v)
+{
+ SetNeedsFrame(false);
+}
+
+void wxButtonCocoaImpl::SetBitmap(const wxBitmap& bitmap)
+{
+ // switch bezel style for plain pushbuttons
+ if ( bitmap.IsOk() )
+ {
+ if ([GetNSButton() bezelStyle] == NSRoundedBezelStyle)
+ [GetNSButton() setBezelStyle:NSRegularSquareBezelStyle];
+ }
+ else
+ {
+ [GetNSButton() setBezelStyle:NSRoundedBezelStyle];
+ }
+
+ wxWidgetCocoaImpl::SetBitmap(bitmap);
+}
+
+#if wxUSE_MARKUP
+void wxButtonCocoaImpl::SetLabelMarkup(const wxString& markup)
+{
+ wxMarkupToAttrString toAttr(GetWXPeer(), markup);
+ NSMutableAttributedString *attrString = toAttr.GetNSAttributedString();
+
+ // Button text is always centered.
+ NSMutableParagraphStyle *
+ paragraphStyle = [[NSMutableParagraphStyle alloc] init];
+ [paragraphStyle setAlignment: NSCenterTextAlignment];
+ [attrString addAttribute:NSParagraphStyleAttributeName
+ value:paragraphStyle
+ range:NSMakeRange(0, [attrString length])];
+ [paragraphStyle release];
+
+ [GetNSButton() setAttributedTitle:attrString];
+}
+#endif // wxUSE_MARKUP
+
+void wxButtonCocoaImpl::SetPressedBitmap( const wxBitmap& bitmap )
+{
+ NSButton* button = GetNSButton();
+ [button setAlternateImage: bitmap.GetNSImage()];
+ if ( GetWXPeer()->IsKindOf(wxCLASSINFO(wxToggleButton)) )
+ {
+ [button setButtonType:NSToggleButton];
+ }
+ else
+ {
+ [button setButtonType:NSMomentaryChangeButton];
+ }
+}
+
+void wxButtonCocoaImpl::GetLayoutInset(int &left , int &top , int &right, int &bottom) const
+{
+ left = top = right = bottom = 0;
+ NSControlSize size = NSRegularControlSize;
+ if ( [m_osxView respondsToSelector:@selector(controlSize)] )
+ size = [m_osxView controlSize];
+ else if ([m_osxView respondsToSelector:@selector(cell)])
+ {
+ id cell = [(id)m_osxView cell];
+ if ([cell respondsToSelector:@selector(controlSize)])
+ size = [cell controlSize];
+ }
+
+ if ( [GetNSButton() bezelStyle] == NSRoundedBezelStyle )
+ {
+ switch( size )
+ {
+ case NSRegularControlSize:
+ left = right = 6;
+ top = 4;
+ bottom = 8;
+ break;
+ case NSSmallControlSize:
+ left = right = 5;
+ top = 4;
+ bottom = 7;
+ break;
+ case NSMiniControlSize:
+ left = right = 1;
+ top = 0;
+ bottom = 2;
+ break;
+ }
+ }
+}
+
+void wxButtonCocoaImpl::SetAcceleratorFromLabel(const wxString& label)
+{
+ const int accelPos = wxControl::FindAccelIndex(label);
+ if ( accelPos != wxNOT_FOUND )
+ {
+ wxString accelstring(label[accelPos + 1]); // Skip '&' itself
+ accelstring.MakeLower();
+ wxCFStringRef cfText(accelstring);
+ [GetNSButton() setKeyEquivalent:cfText.AsNSString()];
+ [GetNSButton() setKeyEquivalentModifierMask:NSCommandKeyMask];
+ }
+ else
+ {
+ [GetNSButton() setKeyEquivalent:@""];
+ }
+}
+
+NSButton *wxButtonCocoaImpl::GetNSButton() const
+{
+ wxASSERT( [m_osxView isKindOfClass:[NSButton class]] );
+
+ return static_cast<NSButton *>(m_osxView);
+}
+
+// Set bezel style depending on the wxBORDER_XXX flags specified by the style
+// and also accounting for the label (bezels are different for multiline
+// buttons and normal ones) and the ID (special bezel is used for help button).
+//
+// This is extern because it's also used in src/osx/cocoa/tglbtn.mm.
+extern "C"
+void
+SetBezelStyleFromBorderFlags(NSButton *v,
+ long style,
+ wxWindowID winid,
+ const wxString& label = wxString(),
+ const wxBitmap& bitmap = wxBitmap())
+{
+ // We can't display a custom label inside a button with help bezel style so
+ // we only use it if we are using the default label. wxButton itself checks
+ // if the label is just "Help" in which case it discards it and passes us
+ // an empty string.
+ if ( winid == wxID_HELP && label.empty() )
+ {
+ [v setBezelStyle:NSHelpButtonBezelStyle];
+ }
+ else
+ {
+ // We can't use rounded bezel styles neither for multiline buttons nor
+ // for buttons containing (big) icons as they are only meant to be used
+ // at certain sizes, so the style used depends on whether the label is
+ // single or multi line.
+ const bool
+ isSimpleText = (label.find_first_of("\n\r") == wxString::npos)
+ && (!bitmap.IsOk() || bitmap.GetHeight() < 20);
+
+ NSBezelStyle bezel;
+ switch ( style & wxBORDER_MASK )
+ {
+ case wxBORDER_NONE:
+ bezel = NSShadowlessSquareBezelStyle;
+ [v setBordered:NO];
+ break;
+
+ case wxBORDER_SIMPLE:
+ bezel = NSShadowlessSquareBezelStyle;
+ break;
+
+ case wxBORDER_SUNKEN:
+ bezel = isSimpleText ? NSTexturedRoundedBezelStyle
+ : NSSmallSquareBezelStyle;
+ break;
+
+ default:
+ wxFAIL_MSG( "Unknown border style" );
+ // fall through
+
+ case 0:
+ case wxBORDER_STATIC:
+ case wxBORDER_RAISED:
+ case wxBORDER_THEME:
+ bezel = isSimpleText ? NSRoundedBezelStyle
+ : NSRegularSquareBezelStyle;
+ break;
+ }
+
+ [v setBezelStyle:bezel];
+ }
+}
+
+// Set the keyboard accelerator key from the label (e.g. "Click &Me")
+void wxButton::OSXUpdateAfterLabelChange(const wxString& label)
+{
+ wxButtonCocoaImpl *impl = static_cast<wxButtonCocoaImpl*>(GetPeer());
+
+ // Update the bezel style as may be necessary if our new label is multi
+ // line while the old one wasn't (or vice versa).
+ SetBezelStyleFromBorderFlags(impl->GetNSButton(),
+ GetWindowStyle(),
+ GetId(),
+ label);
+
+
+ // Skip setting the accelerator for the default buttons as this would
+ // overwrite the default "Enter" which should be preserved.
+ wxTopLevelWindow * const
+ tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+ if ( tlw )
+ {
+ if ( tlw->GetDefaultItem() == this )
+ return;
+ }
+
+ impl->SetAcceleratorFromLabel(label);
+}
+