From: Vadim Zeitlin Date: Sat, 20 Jun 2009 20:05:52 +0000 (+0000) Subject: don't try to resize the bitmap buttons with wxBORDER_NONE style to one of the standar... X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/6398a32d3b64330b327ddbf37a78886dd751d245 don't try to resize the bitmap buttons with wxBORDER_NONE style to one of the standard sizes, this results in more problems than it solves and still doesn't look good; document wxBORDER_NONE semantics under Mac git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61145 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- diff --git a/interface/wx/button.h b/interface/wx/button.h index a36c8cacef..764d87fca5 100644 --- a/interface/wx/button.h +++ b/interface/wx/button.h @@ -33,7 +33,11 @@ without using this style a button which is only supposed to show a bitmap but uses a standard id would display a label too. @style{wxBORDER_NONE} - Creates a flat button. Windows and GTK+ only. + Creates a button without border. This is currently implemented in MSW, + GTK2 and OSX ports but in the latter only applies to buttons with + bitmaps and using bitmap of one of the standard sizes only, namely + 128*128, 48*48, 24*24 or 16*16. In all the other cases wxBORDER_NONE is + ignored under OSX. @endStyleTable By default, i.e. if none of the alignment styles are specified, the label diff --git a/src/osx/carbon/bmpbuttn.cpp b/src/osx/carbon/bmpbuttn.cpp index 1ef6688d46..cde7745150 100644 --- a/src/osx/carbon/bmpbuttn.cpp +++ b/src/osx/carbon/bmpbuttn.cpp @@ -22,138 +22,119 @@ #include "wx/osx/private.h" -//--------------------------------------------------------------------------- -// Helper functions - -static wxBitmap wxMakeStdSizeBitmap(const wxBitmap& bitmap) +namespace { - // in Mac OS X the icon controls (which are used for borderless bitmap - // buttons) can have only one of the few standard sizes and if they - // don't, the OS rescales them automatically resulting in really ugly - // images, so centre the image in a square of standard size instead - - // the supported sizes, sorted in decreasng order - static const int stdSizes[] = { 128, 48, 32, 16, 0 }; - const int width = bitmap.GetWidth(); - const int height = bitmap.GetHeight(); - - wxBitmap newBmp(bitmap); - - int n; - for ( n = 0; n < (int)WXSIZEOF(stdSizes); n++ ) +// define a derived class to override SetBitmap() and also to provide +// InitButtonContentInfo() helper used by CreateBitmapButton() +class wxMacBitmapButton : public wxMacControl +{ +public: + wxMacBitmapButton(wxWindowMac* peer, const wxBitmap& bitmap, int style) + : wxMacControl(peer) { - const int sizeStd = stdSizes[n]; - if ( width > sizeStd || height > sizeStd ) - { - // it will become -1 if the bitmap is larger than the biggest - // supported size, this is intentional - n--; - - break; - } + // decide what kind of contents the button will have: we want to use an + // icon for buttons with wxBORDER_NONE style as bevel buttons always do + // have a border but icons are limited to a few standard sizes only and + // are resized by the system with extremely ugly results if they don't + // fit (in the past we also tried being smart and pasting a bitmap + // instead of a larger square icon to avoid resizing but this resulted + // in buttons having different size than specified by wx API and + // breaking the layouts and still didn't look good so we don't even try + // to do this any more) + m_isIcon = (style & wxBORDER_NONE) && + bitmap.IsOk() && IsOfStandardSize(bitmap); } - if ( n != -1 ) + virtual void SetBitmap(const wxBitmap& bitmap) { - const int sizeStd = stdSizes[n]; - if ( width != sizeStd || height != sizeStd ) - { - wxASSERT_MSG( width <= sizeStd && height <= sizeStd, - _T("bitmap shouldn't be cropped") ); - - wxImage square_image = bitmap.ConvertToImage(); - newBmp = square_image.Size - ( - wxSize(sizeStd, sizeStd), - wxPoint((sizeStd - width)/2, (sizeStd-height)/2) - ); - } - } - //else: let the system rescale the bitmap + // unfortunately we can't avoid the ugly resizing problem mentioned + // above if a bitmap of supported size was used initially but was + // replaced with another one later as the control was already created + // as an icon control (although maybe we ought to recreate it?) + ControlButtonContentInfo info; + InitButtonContentInfo(info, bitmap); - return newBmp; -} + if ( info.contentType == kControlContentIconRef ) + SetData(kControlIconPart, kControlIconContentTag, info); + else if ( info.contentType != kControlNoContent ) + SetData(kControlButtonPart, kControlBevelButtonContentTag, info); -//--------------------------------------------------------------------------- + wxMacReleaseBitmapButton(&info); + } -class wxMacBitmapButton : public wxMacControl -{ -public: - wxMacBitmapButton( wxWindowMac* peer ) : wxMacControl(peer) + void InitButtonContentInfo(ControlButtonContentInfo& info, + const wxBitmap& bitmap) { + wxMacCreateBitmapButton(&info, bitmap, + m_isIcon ? kControlContentIconRef : 0); } - - void SetBitmap(const wxBitmap& bitmap) - { - wxBitmap bmp; - if ( GetWXPeer()->HasFlag( wxBORDER_NONE ) ) - { - bmp = wxMakeStdSizeBitmap(bitmap); - // TODO set bitmap in peer as well - } - else - bmp = bitmap; - ControlButtonContentInfo info; +private: + // helper function: returns true if the given bitmap is of one of standard + // sizes supported by OS X icons + static bool IsOfStandardSize(const wxBitmap& bmp) + { + const int w = bmp.GetWidth(); - if ( GetWXPeer()->HasFlag( wxBORDER_NONE ) ) - { - wxMacCreateBitmapButton( &info, bmp, kControlContentIconRef ); - if ( info.contentType != kControlNoContent ) - SetData( kControlIconPart, kControlIconContentTag, info ); - } - else - { - wxMacCreateBitmapButton( &info, bmp ); - if ( info.contentType != kControlNoContent ) - SetData( kControlButtonPart, kControlBevelButtonContentTag, info ); - } - - wxMacReleaseBitmapButton( &info ); + return bmp.GetHeight() == w && + (w == 128 || w == 48 || w == 32 || w == 16); } + + + // true if this is an icon control, false if it's a bevel button + bool m_isIcon; + + wxDECLARE_NO_COPY_CLASS(wxMacBitmapButton); }; -wxWidgetImplType* wxWidgetImpl::CreateBitmapButton( wxWindowMac* wxpeer, - wxWindowMac* parent, - wxWindowID WXUNUSED(id), +} // anonymous namespace + +wxWidgetImplType* wxWidgetImpl::CreateBitmapButton( wxWindowMac* wxpeer, + wxWindowMac* parent, + wxWindowID WXUNUSED(id), const wxBitmap& bitmap, - const wxPoint& pos, + const wxPoint& pos, const wxSize& size, - long style, + long style, long WXUNUSED(extraStyle)) { - OSStatus err = noErr; - ControlButtonContentInfo info; + wxMacBitmapButton* peer = new wxMacBitmapButton(wxpeer, bitmap, style); + OSStatus err; + WXWindow macParent = MAC_WXHWND(parent->MacGetTopLevelWindowRef()); Rect bounds = wxMacGetBoundsForControl( wxpeer, pos, size ); - wxMacControl* peer = new wxMacBitmapButton( wxpeer ); - wxBitmap bmp; - - if ( bitmap.Ok() && (style & wxBORDER_NONE) ) - { - bmp = wxMakeStdSizeBitmap(bitmap); - // TODO set bitmap in peer as well - } - else - bmp = bitmap; + ControlButtonContentInfo info; + peer->InitButtonContentInfo(info, bitmap); - if ( style & wxBORDER_NONE ) + if ( info.contentType == kControlContentIconRef ) { - // contrary to the docs this control only works with iconrefs - wxMacCreateBitmapButton( &info, bmp, kControlContentIconRef ); - err = CreateIconControl( - MAC_WXHWND(parent->MacGetTopLevelWindowRef()), - &bounds, &info, false, peer->GetControlRefAddr() ); + err = CreateIconControl + ( + macParent, + &bounds, + &info, + false, + peer->GetControlRefAddr() + ); } - else + else // normal bevel button { - wxMacCreateBitmapButton( &info, bmp ); - err = CreateBevelButtonControl( - MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds, CFSTR(""), - ((style & wxBU_AUTODRAW) ? kControlBevelButtonSmallBevel : kControlBevelButtonNormalBevel ), - kControlBehaviorOffsetContents, &info, 0, 0, 0, peer->GetControlRefAddr() ); + err = CreateBevelButtonControl + ( + macParent, + &bounds, + CFSTR(""), + style & wxBU_AUTODRAW ? kControlBevelButtonSmallBevel + : kControlBevelButtonNormalBevel, + kControlBehaviorOffsetContents, + &info, + 0, // menu id (no associated menu) + 0, // menu behaviour (unused) + 0, // menu placement (unused too) + peer->GetControlRefAddr() + ); } verify_noerr( err ); @@ -161,4 +142,5 @@ wxWidgetImplType* wxWidgetImpl::CreateBitmapButton( wxWindowMac* wxpeer, wxMacReleaseBitmapButton( &info ); return peer; } -#endif + +#endif // wxUSE_BMPBUTTON