src/mac/carbon/button.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/button.cpp
   3 // Purpose:     wxButton
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/button.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/panel.h"
  18     #include "wx/toplevel.h"
  19     #include "wx/dcclient.h"
  20 #endif
  21
  22 #include "wx/stockitem.h"
  23
  24 #include "wx/mac/uma.h"
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
  27
  28
  29 bool wxButton::Create(wxWindow *parent,
  30     wxWindowID id,
  31     const wxString& lbl,
  32     const wxPoint& pos,
  33     const wxSize& size,
  34     long style,
  35     const wxValidator& validator,
  36     const wxString& name)
  37 {
  38     wxString label(lbl);
  39     if (label.empty() && wxIsStockID(id))
  40         label = wxGetStockLabel(id);
  41
  42     m_macIsUserPane = false ;
  43
  44     if ( !wxButtonBase::Create(parent, id, pos, size, style, validator, name) )
  45         return false;
  46
  47     m_labelOrig = m_label = label ;
  48
  49     OSStatus err;
  50     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  51     m_peer = new wxMacControl(this) ;
  52     if ( id == wxID_HELP )
  53     {
  54         ControlButtonContentInfo info ;
  55         info.contentType = kControlContentIconRef ;
  56         GetIconRef(kOnSystemDisk, kSystemIconsCreator, kHelpIcon, &info.u.iconRef);
  57         err = CreateRoundButtonControl(
  58             MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
  59             &bounds, kControlRoundButtonNormalSize,
  60             &info, m_peer->GetControlRefAddr() );
  61     }
  62     else if ( label.Find('\n' ) == wxNOT_FOUND && label.Find('\r' ) == wxNOT_FOUND)
  63     {
  64         // Button height is static in Mac, can't be changed, so we need to force it here
  65         if ( GetWindowVariant() == wxWINDOW_VARIANT_NORMAL || GetWindowVariant() == wxWINDOW_VARIANT_LARGE )
  66         {
  67             bounds.bottom = bounds.top + 20 ;
  68             m_maxHeight = 20 ;
  69         }
  70         else if ( GetWindowVariant() == wxWINDOW_VARIANT_SMALL )
  71         {
  72             bounds.bottom = bounds.top + 17 ;
  73             m_maxHeight = 17 ;
  74         }
  75         else if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI )
  76         {
  77             bounds.bottom = bounds.top + 15 ;
  78             m_maxHeight = 15 ;
  79         }
  80         err = CreatePushButtonControl(
  81             MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
  82             &bounds, CFSTR(""), m_peer->GetControlRefAddr() );
  83     }
  84     else
  85     {
  86         ControlButtonContentInfo info ;
  87         info.contentType = kControlNoContent ;
  88         err = CreateBevelButtonControl(
  89             MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds, CFSTR(""),
  90             kControlBevelButtonLargeBevel, kControlBehaviorPushbutton,
  91             &info, 0, 0, 0, m_peer->GetControlRefAddr() );
  92     }
  93
  94     verify_noerr( err );
  95     wxASSERT_MSG( m_peer != NULL && m_peer->Ok() , wxT("No valid Mac control") ) ;
  96
  97     MacPostControlCreate( pos, size );
  98
  99     return true;
 100 }
 101
 102 wxWindow *wxButton::SetDefault()
 103 {
 104     wxWindow *btnOldDefault = wxButtonBase::SetDefault();
 105
 106     if ( btnOldDefault )
 107     {
 108         // cast needed to access the protected member
 109         btnOldDefault->GetPeer()->SetData(kControlButtonPart , kControlPushButtonDefaultTag , (Boolean) 0 ) ;
 110     }
 111
 112     m_peer->SetData(kControlButtonPart , kControlPushButtonDefaultTag , (Boolean) 1 ) ;
 113
 114     return btnOldDefault;
 115 }
 116
 117 wxSize wxButton::DoGetBestSize() const
 118 {
 119     if ( GetId() == wxID_HELP )
 120         return wxSize( 20 , 20 ) ;
 121
 122     wxSize sz = GetDefaultSize() ;
 123
 124     switch (GetWindowVariant())
 125     {
 126         case wxWINDOW_VARIANT_NORMAL:
 127         case wxWINDOW_VARIANT_LARGE:
 128             sz.y = 20 ;
 129             break;
 130
 131         case wxWINDOW_VARIANT_SMALL:
 132             sz.y = 17 ;
 133             break;
 134
 135         case wxWINDOW_VARIANT_MINI:
 136             sz.y = 15 ;
 137             break;
 138
 139         default:
 140             break;
 141     }
 142
 143     Rect    bestsize = { 0 , 0 , 0 , 0 } ;
 144     m_peer->GetBestRect( &bestsize ) ;
 145
 146     int wBtn;
 147     if ( EmptyRect( &bestsize ) || ( GetWindowStyle() & wxBU_EXACTFIT) )
 148     {
 149         Point bounds;
 150
 151         ControlFontStyleRec controlFont;
 152         OSStatus err = m_peer->GetData<ControlFontStyleRec>( kControlEntireControl, kControlFontStyleTag, &controlFont );
 153         verify_noerr( err );
 154
 155         wxMacCFStringHolder str( m_label,  m_font.GetEncoding() );
 156
 157 #if wxMAC_USE_ATSU_TEXT
 158         SInt16 baseline;
 159         if ( m_font.MacGetThemeFontID() != kThemeCurrentPortFont )
 160         {
 161             err = GetThemeTextDimensions(
 162                 (!m_label.empty() ? (CFStringRef)str : CFSTR(" ")),
 163                 m_font.MacGetThemeFontID(), kThemeStateActive, false, &bounds, &baseline );
 164             verify_noerr( err );
 165         }
 166         else
 167 #endif
 168         {
 169             wxClientDC dc(const_cast<wxButton*>(this));
 170             wxCoord width, height ;
 171             dc.GetTextExtent( m_label , &width, &height);
 172             bounds.h = width;
 173             bounds.v = height;
 174         }
 175
 176         wBtn = bounds.h + sz.y;
 177     }
 178     else
 179     {
 180         wBtn = bestsize.right - bestsize.left ;
 181         // non 'normal' window variants don't return the correct height
 182         // sz.y = bestsize.bottom - bestsize.top ;
 183     }
 184
 185     if ((wBtn > sz.x) || ( GetWindowStyle() & wxBU_EXACTFIT))
 186         sz.x = wBtn;
 187
 188     return sz ;
 189 }
 190
 191 wxSize wxButton::GetDefaultSize()
 192 {
 193     int wBtn = 70 ;
 194     int hBtn = 20 ;
 195
 196     return wxSize(wBtn, hBtn);
 197 }
 198
 199 void wxButton::Command (wxCommandEvent & event)
 200 {
 201     m_peer->Flash(kControlButtonPart) ;
 202     ProcessCommand(event);
 203 }
 204
 205 wxInt32 wxButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
 206 {
 207     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, m_windowId);
 208     event.SetEventObject(this);
 209     ProcessCommand(event);
 210
 211     return noErr;
 212 }