src/osx/carbon/srchctrl.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/srchctrl.cpp
   3 // Purpose:     implements mac carbon wxSearchCtrl
   4 // Author:      Vince Harron
   5 // Created:     2006-02-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   Vince Harron
   8 // License:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_SEARCHCTRL
  19
  20 #include "wx/srchctrl.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/menu.h"
  24 #endif //WX_PRECOMP
  25
  26 #if wxUSE_NATIVE_SEARCH_CONTROL
  27
  28 #include "wx/osx/uma.h"
  29 #include "wx/osx/carbon/private/mactext.h"
  30
  31 // ============================================================================
  32 // wxMacSearchFieldControl
  33 // ============================================================================
  34
  35 class wxMacSearchFieldControl : public wxMacUnicodeTextControl, public wxSearchWidgetImpl
  36 {
  37 public :
  38     wxMacSearchFieldControl( wxTextCtrl *wxPeer,
  39                              const wxString& str,
  40                              const wxPoint& pos,
  41                              const wxSize& size, long style ) ;
  42
  43     // search field options
  44     virtual void ShowSearchButton( bool show );
  45     virtual bool IsSearchButtonVisible() const;
  46
  47     virtual void ShowCancelButton( bool show );
  48     virtual bool IsCancelButtonVisible() const;
  49
  50     virtual void SetSearchMenu( wxMenu* menu );
  51
  52     virtual void SetDescriptiveText(const wxString& text);
  53
  54     virtual bool SetFocus();
  55
  56 private:
  57 } ;
  58
  59 static const EventTypeSpec eventList[] =
  60 {
  61     { kEventClassSearchField, kEventSearchFieldCancelClicked } ,
  62     { kEventClassSearchField, kEventSearchFieldSearchClicked } ,
  63 };
  64
  65 // ============================================================================
  66 // implementation
  67 // ============================================================================
  68
  69 static pascal OSStatus wxMacSearchControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
  70 {
  71     OSStatus result = eventNotHandledErr ;
  72
  73     wxMacCarbonEvent cEvent( event ) ;
  74
  75     ControlRef controlRef ;
  76     wxSearchCtrl* thisWindow = (wxSearchCtrl*) data ;
  77     cEvent.GetParameter( kEventParamDirectObject , &controlRef ) ;
  78
  79     switch( GetEventKind( event ) )
  80     {
  81         case kEventSearchFieldCancelClicked :
  82             thisWindow->HandleSearchFieldCancelHit() ;
  83             break ;
  84         case kEventSearchFieldSearchClicked :
  85             thisWindow->HandleSearchFieldSearchHit() ;
  86             break ;
  87     }
  88
  89     return result ;
  90 }
  91
  92 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacSearchControlEventHandler )
  93
  94 wxMacSearchFieldControl::wxMacSearchFieldControl( wxTextCtrl *wxPeer,
  95                          const wxString& str,
  96                          const wxPoint& pos,
  97                          const wxSize& size, long style ) : wxMacUnicodeTextControl( wxPeer )
  98 {
  99     m_font = wxPeer->GetFont() ;
 100     m_windowStyle = style ;
 101     m_selection.selStart = m_selection.selEnd = 0;
 102     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
 103     wxString st = str ;
 104     wxMacConvertNewlines10To13( &st ) ;
 105     wxCFStringRef cf(st , m_font.GetEncoding()) ;
 106
 107     m_valueTag = kControlEditTextCFStringTag ;
 108
 109     OptionBits attributes = kHISearchFieldAttributesSearchIcon;
 110
 111     HIRect hibounds = { { bounds.left, bounds.top }, { bounds.right-bounds.left, bounds.bottom-bounds.top } };
 112     verify_noerr( HISearchFieldCreate(
 113         &hibounds,
 114         attributes,
 115         0, // MenuRef
 116         CFSTR(""),
 117         &m_controlRef
 118         ) );
 119     HIViewSetVisible (m_controlRef, true);
 120
 121     verify_noerr( SetData<CFStringRef>( 0, kControlEditTextCFStringTag , cf ) ) ;
 122
 123     ::InstallControlEventHandler( m_controlRef, GetwxMacSearchControlEventHandlerUPP(),
 124         GetEventTypeCount(eventList), eventList, wxPeer, NULL);
 125     SetNeedsFrame(false);
 126     wxMacUnicodeTextControl::InstallEventHandlers();
 127 }
 128
 129 // search field options
 130 void wxMacSearchFieldControl::ShowSearchButton( bool show )
 131 {
 132     OptionBits set = 0;
 133     OptionBits clear = 0;
 134     if ( show )
 135     {
 136         set |= kHISearchFieldAttributesSearchIcon;
 137     }
 138     else
 139     {
 140         clear |= kHISearchFieldAttributesSearchIcon;
 141     }
 142     HISearchFieldChangeAttributes( m_controlRef, set, clear );
 143 }
 144
 145 bool wxMacSearchFieldControl::IsSearchButtonVisible() const
 146 {
 147     OptionBits attributes = 0;
 148     verify_noerr( HISearchFieldGetAttributes( m_controlRef, &attributes ) );
 149     return ( attributes & kHISearchFieldAttributesSearchIcon ) != 0;
 150 }
 151
 152 void wxMacSearchFieldControl::ShowCancelButton( bool show )
 153 {
 154     OptionBits set = 0;
 155     OptionBits clear = 0;
 156     if ( show )
 157     {
 158         set |= kHISearchFieldAttributesCancel;
 159     }
 160     else
 161     {
 162         clear |= kHISearchFieldAttributesCancel;
 163     }
 164     HISearchFieldChangeAttributes( m_controlRef, set, clear );
 165 }
 166
 167 bool wxMacSearchFieldControl::IsCancelButtonVisible() const
 168 {
 169     OptionBits attributes = 0;
 170     verify_noerr( HISearchFieldGetAttributes( m_controlRef, &attributes ) );
 171     return ( attributes & kHISearchFieldAttributesCancel ) != 0;
 172 }
 173
 174 void wxMacSearchFieldControl::SetSearchMenu( wxMenu* menu )
 175 {
 176     if ( menu )
 177     {
 178         verify_noerr( HISearchFieldSetSearchMenu( m_controlRef, MAC_WXHMENU(menu->GetHMenu()) ) );
 179     }
 180     else
 181     {
 182         verify_noerr( HISearchFieldSetSearchMenu( m_controlRef, 0 ) );
 183     }
 184 }
 185
 186 void wxMacSearchFieldControl::SetDescriptiveText(const wxString& text)
 187 {
 188     verify_noerr( HISearchFieldSetDescriptiveText(
 189                       m_controlRef,
 190                       wxCFStringRef( text, wxFont::GetDefaultEncoding() )));
 191 }
 192
 193 bool wxMacSearchFieldControl::SetFocus()
 194 {
 195     // NB: We have to implement SetFocus a little differently because kControlFocusNextPart
 196     // leads to setting the focus on the search icon rather than the text area.
 197     // We get around this by explicitly telling the control to set focus to the
 198     // text area.
 199
 200     OSStatus err = SetKeyboardFocus( GetControlOwner( m_controlRef ), m_controlRef, kControlEditTextPart );
 201     if ( err == errCouldntSetFocus )
 202         return false ;
 203     SetUserFocusWindow(GetControlOwner( m_controlRef ) );
 204     return true;
 205 }
 206
 207 wxWidgetImplType* wxWidgetImpl::CreateSearchControl( wxTextCtrl* wxpeer,
 208                                     wxWindowMac* parent,
 209                                     wxWindowID id,
 210                                     const wxString& str,
 211                                     const wxPoint& pos,
 212                                     const wxSize& size,
 213                                     long style,
 214                                     long extraStyle)
 215 {
 216     wxMacControl* peer = new wxMacSearchFieldControl( wxpeer , str , pos , size , style );
 217
 218     return peer;
 219 }
 220
 221 #endif // wxUSE_NATIVE_SEARCH_CONTROL
 222
 223 #endif // wxUSE_SEARCHCTRL