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 #if TARGET_API_MAC_OSX
  65         // Button height is static in Mac, can't be changed, so we need to force it here
  66         if ( GetWindowVariant() == wxWINDOW_VARIANT_NORMAL || GetWindowVariant() == wxWINDOW_VARIANT_LARGE )
  67         {
  68             bounds.bottom = bounds.top + 20 ;
  69             m_maxHeight = 20 ;
  70         }
  71         else if ( GetWindowVariant() == wxWINDOW_VARIANT_SMALL )
  72         {
  73             bounds.bottom = bounds.top + 17 ;
  74             m_maxHeight = 17 ;
  75         }
  76         else if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI )
  77         {
  78             bounds.bottom = bounds.top + 15 ;
  79             m_maxHeight = 15 ;
  80         }
  81 #endif
  82
  83         err = CreatePushButtonControl(
  84             MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
  85             &bounds, CFSTR(""), m_peer->GetControlRefAddr() );
  86     }
  87     else
  88     {
  89         ControlButtonContentInfo info ;
  90         info.contentType = kControlNoContent ;
  91         err = CreateBevelButtonControl(
  92             MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds, CFSTR(""),
  93             kControlBevelButtonLargeBevel, kControlBehaviorPushbutton,
  94             &info, 0, 0, 0, m_peer->GetControlRefAddr() );
  95     }
  96
  97     verify_noerr( err );
  98     wxASSERT_MSG( m_peer != NULL && m_peer->Ok() , wxT("No valid Mac control") ) ;
  99
 100     MacPostControlCreate( pos, size );
 101
 102     return true;
 103 }
 104
 105 wxWindow *wxButton::SetDefault()
 106 {
 107     wxWindow *btnOldDefault = wxButtonBase::SetDefault();
 108
 109     if ( btnOldDefault )
 110     {
 111         // cast needed to access the protected member
 112         btnOldDefault->GetPeer()->SetData(kControlButtonPart , kControlPushButtonDefaultTag , (Boolean) 0 ) ;
 113     }
 114
 115     m_peer->SetData(kControlButtonPart , kControlPushButtonDefaultTag , (Boolean) 1 ) ;
 116
 117     return btnOldDefault;
 118 }
 119
 120 wxSize wxButton::DoGetBestSize() const
 121 {
 122     if ( GetId() == wxID_HELP )
 123         return wxSize( 20 , 20 ) ;
 124
 125     wxSize sz = GetDefaultSize() ;
 126
 127     switch (GetWindowVariant())
 128     {
 129         case wxWINDOW_VARIANT_NORMAL:
 130         case wxWINDOW_VARIANT_LARGE:
 131             sz.y = 20 ;
 132             break;
 133
 134         case wxWINDOW_VARIANT_SMALL:
 135             sz.y = 17 ;
 136             break;
 137
 138         case wxWINDOW_VARIANT_MINI:
 139             sz.y = 15 ;
 140             break;
 141
 142         default:
 143             break;
 144     }
 145
 146     Rect    bestsize = { 0 , 0 , 0 , 0 } ;
 147     m_peer->GetBestRect( &bestsize ) ;
 148
 149     int wBtn;
 150     if ( EmptyRect( &bestsize ) || ( GetWindowStyle() & wxBU_EXACTFIT) )
 151     {
 152         Point bounds;
 153
 154         ControlFontStyleRec controlFont;
 155         OSStatus err = m_peer->GetData<ControlFontStyleRec>( kControlEntireControl, kControlFontStyleTag, &controlFont );
 156         verify_noerr( err );
 157
 158         SInt16 baseline;
 159         wxMacCFStringHolder str( m_label,  m_font.GetEncoding() );
 160
 161 #ifndef __LP64__
 162         if ( m_font.MacGetThemeFontID() != kThemeCurrentPortFont )
 163         {
 164             err = GetThemeTextDimensions(
 165                 (!m_label.empty() ? (CFStringRef)str : CFSTR(" ")),
 166                 m_font.MacGetThemeFontID(), kThemeStateActive, false, &bounds, &baseline );
 167             verify_noerr( err );
 168         }
 169         else
 170 #endif
 171         {
 172 #if wxMAC_USE_CORE_GRAPHICS
 173             wxClientDC dc(const_cast<wxButton*>(this));
 174             wxCoord width, height ;
 175             dc.GetTextExtent( m_label , &width, &height);
 176             bounds.h = width;
 177             bounds.v = height;
 178 #else
 179             wxMacWindowStateSaver sv( this );
 180             ::TextFont( m_font.MacGetFontNum() );
 181             ::TextSize( (short)(m_font.MacGetFontSize()) );
 182             ::TextFace( m_font.MacGetFontStyle() );
 183
 184             err = GetThemeTextDimensions(
 185                 (!m_label.empty() ? (CFStringRef)str : CFSTR(" ")),
 186                 kThemeCurrentPortFont, kThemeStateActive, false, &bounds, &baseline );
 187             verify_noerr( err );
 188 #endif
 189         }
 190
 191         wBtn = bounds.h + sz.y;
 192     }
 193     else
 194     {
 195         wBtn = bestsize.right - bestsize.left ;
 196         // non 'normal' window variants don't return the correct height
 197         // sz.y = bestsize.bottom - bestsize.top ;
 198     }
 199
 200     if ((wBtn > sz.x) || ( GetWindowStyle() & wxBU_EXACTFIT))
 201         sz.x = wBtn;
 202
 203     return sz ;
 204 }
 205
 206 wxSize wxButton::GetDefaultSize()
 207 {
 208     int wBtn = 70 ;
 209     int hBtn = 20 ;
 210
 211     return wxSize(wBtn, hBtn);
 212 }
 213
 214 void wxButton::Command (wxCommandEvent & event)
 215 {
 216     m_peer->Flash(kControlButtonPart) ;
 217     ProcessCommand(event);
 218 }
 219
 220 wxInt32 wxButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
 221 {
 222     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, m_windowId);
 223     event.SetEventObject(this);
 224     ProcessCommand(event);
 225
 226     return noErr;
 227 }