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