src/mac/carbon/srchctrl.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/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/mac/uma.h"
  29 #include "wx/mac/carbon/private/mactext.h"
  30
  31 BEGIN_EVENT_TABLE(wxSearchCtrl, wxSearchCtrlBase)
  32 END_EVENT_TABLE()
  33
  34 IMPLEMENT_DYNAMIC_CLASS(wxSearchCtrl, wxSearchCtrlBase)
  35
  36 // ============================================================================
  37 // wxMacSearchFieldControl
  38 // ============================================================================
  39
  40 static const EventTypeSpec eventList[] =
  41 {
  42     { kEventClassSearchField, kEventSearchFieldCancelClicked } ,
  43     { kEventClassSearchField, kEventSearchFieldSearchClicked } ,
  44 };
  45
  46 class wxMacSearchFieldControl : public wxMacUnicodeTextControl
  47 {
  48 public :
  49     wxMacSearchFieldControl( wxTextCtrl *wxPeer,
  50                              const wxString& str,
  51                              const wxPoint& pos,
  52                              const wxSize& size, long style ) : wxMacUnicodeTextControl( wxPeer )
  53     {
  54         Create( wxPeer, str, pos, size, style );
  55     }
  56
  57     // search field options
  58     virtual void ShowSearchButton( bool show );
  59     virtual bool IsSearchButtonVisible() const;
  60
  61     virtual void ShowCancelButton( bool show );
  62     virtual bool IsCancelButtonVisible() const;
  63
  64     virtual void SetSearchMenu( wxMenu* menu );
  65     virtual wxMenu* GetSearchMenu() const;
  66
  67     virtual void SetDescriptiveText(const wxString& text);
  68     virtual wxString GetDescriptiveText() const;
  69
  70 protected :
  71     virtual void CreateControl( wxTextCtrl* peer, const Rect* bounds, CFStringRef crf );
  72
  73 private:
  74     wxMenu* m_menu;
  75 } ;
  76
  77 void wxMacSearchFieldControl::CreateControl(wxTextCtrl* WXUNUSED(peer),
  78                                             const Rect* bounds,
  79                                             CFStringRef WXUNUSED(crf))
  80 {
  81     OptionBits attributes = kHISearchFieldAttributesSearchIcon;
  82
  83     HIRect hibounds = { { bounds->left, bounds->top }, { bounds->right-bounds->left, bounds->bottom-bounds->top } };
  84     verify_noerr( HISearchFieldCreate(
  85         &hibounds,
  86         attributes,
  87         0, // MenuRef
  88         CFSTR("Search"),
  89         &m_controlRef
  90         ) );
  91     HIViewSetVisible (m_controlRef, true);
  92 }
  93
  94 // search field options
  95 void wxMacSearchFieldControl::ShowSearchButton( bool show )
  96 {
  97     OptionBits set = 0;
  98     OptionBits clear = 0;
  99     if ( show )
 100     {
 101         set |= kHISearchFieldAttributesSearchIcon;
 102     }
 103     else
 104     {
 105         clear |= kHISearchFieldAttributesSearchIcon;
 106     }
 107     HISearchFieldChangeAttributes( m_controlRef, set, clear );
 108 }
 109
 110 bool wxMacSearchFieldControl::IsSearchButtonVisible() const
 111 {
 112     OptionBits attributes = 0;
 113     verify_noerr( HISearchFieldGetAttributes( m_controlRef, &attributes ) );
 114     return ( attributes & kHISearchFieldAttributesSearchIcon ) != 0;
 115 }
 116
 117 void wxMacSearchFieldControl::ShowCancelButton( bool show )
 118 {
 119     OptionBits set = 0;
 120     OptionBits clear = 0;
 121     if ( show )
 122     {
 123         set |= kHISearchFieldAttributesCancel;
 124     }
 125     else
 126     {
 127         clear |= kHISearchFieldAttributesCancel;
 128     }
 129     HISearchFieldChangeAttributes( m_controlRef, set, clear );
 130 }
 131
 132 bool wxMacSearchFieldControl::IsCancelButtonVisible() const
 133 {
 134     OptionBits attributes = 0;
 135     verify_noerr( HISearchFieldGetAttributes( m_controlRef, &attributes ) );
 136     return ( attributes & kHISearchFieldAttributesCancel ) != 0;
 137 }
 138
 139 void wxMacSearchFieldControl::SetSearchMenu( wxMenu* menu )
 140 {
 141     m_menu = menu;
 142     if ( m_menu )
 143     {
 144         verify_noerr( HISearchFieldSetSearchMenu( m_controlRef, MAC_WXHMENU(m_menu->GetHMenu()) ) );
 145     }
 146     else
 147     {
 148         verify_noerr( HISearchFieldSetSearchMenu( m_controlRef, 0 ) );
 149     }
 150 }
 151
 152 wxMenu* wxMacSearchFieldControl::GetSearchMenu() const
 153 {
 154     return m_menu;
 155 }
 156
 157
 158 void wxMacSearchFieldControl::SetDescriptiveText(const wxString& text)
 159 {
 160     verify_noerr( HISearchFieldSetDescriptiveText(
 161                       m_controlRef,
 162                       wxCFStringRef( text, wxFont::GetDefaultEncoding() )));
 163 }
 164
 165 wxString wxMacSearchFieldControl::GetDescriptiveText() const
 166 {
 167     CFStringRef cfStr;
 168     verify_noerr( HISearchFieldCopyDescriptiveText( m_controlRef, &cfStr ));
 169     if ( cfStr )
 170     {
 171         return wxCFStringRef(cfStr).AsString();
 172     }
 173     else
 174     {
 175         return wxEmptyString;
 176     }
 177 }
 178
 179 // ============================================================================
 180 // implementation
 181 // ============================================================================
 182
 183 static pascal OSStatus wxMacSearchControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 184 {
 185     OSStatus result = eventNotHandledErr ;
 186
 187     wxMacCarbonEvent cEvent( event ) ;
 188
 189     ControlRef controlRef ;
 190     wxSearchCtrl* thisWindow = (wxSearchCtrl*) data ;
 191     cEvent.GetParameter( kEventParamDirectObject , &controlRef ) ;
 192
 193     switch( GetEventKind( event ) )
 194     {
 195         case kEventSearchFieldCancelClicked :
 196             thisWindow->MacSearchFieldCancelHit( handler , event ) ;
 197             break ;
 198         case kEventSearchFieldSearchClicked :
 199             thisWindow->MacSearchFieldSearchHit( handler , event ) ;
 200             break ;
 201     }
 202
 203     return result ;
 204 }
 205
 206 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacSearchControlEventHandler )
 207
 208
 209 // ----------------------------------------------------------------------------
 210 // wxSearchCtrl creation
 211 // ----------------------------------------------------------------------------
 212
 213 // creation
 214 // --------
 215
 216 wxSearchCtrl::wxSearchCtrl()
 217 {
 218     Init();
 219 }
 220
 221 wxSearchCtrl::wxSearchCtrl(wxWindow *parent, wxWindowID id,
 222            const wxString& value,
 223            const wxPoint& pos,
 224            const wxSize& size,
 225            long style,
 226            const wxValidator& validator,
 227            const wxString& name)
 228 {
 229     Init();
 230
 231     Create(parent, id, value, pos, size, style, validator, name);
 232 }
 233
 234 void wxSearchCtrl::Init()
 235 {
 236     m_menu = 0;
 237 }
 238
 239 bool wxSearchCtrl::Create(wxWindow *parent, wxWindowID id,
 240             const wxString& value,
 241             const wxPoint& pos,
 242             const wxSize& size,
 243             long style,
 244             const wxValidator& validator,
 245             const wxString& name)
 246 {
 247     if ( !wxTextCtrl::Create(parent, id, wxEmptyString, pos, size, wxBORDER_NONE | style, validator, name) )
 248     {
 249         return false;
 250     }
 251
 252     EventHandlerRef searchEventHandler;
 253     InstallControlEventHandler( m_peer->GetControlRef(), GetwxMacSearchControlEventHandlerUPP(),
 254         GetEventTypeCount(eventList), eventList, this,
 255         (EventHandlerRef *)&searchEventHandler);
 256
 257     SetValue(value);
 258
 259     return true;
 260 }
 261
 262 wxSearchCtrl::~wxSearchCtrl()
 263 {
 264     delete m_menu;
 265 }
 266
 267 wxSize wxSearchCtrl::DoGetBestSize() const
 268 {
 269     wxSize size = wxWindow::DoGetBestSize();
 270     // it seems to return a default width of about 16, which is way too small here.
 271     if (size.GetWidth() < 100)
 272         size.SetWidth(100);
 273
 274     return size;
 275 }
 276
 277 void wxSearchCtrl::SetFocus()
 278 {
 279     // NB: We have to implement SetFocus a little differently because kControlFocusNextPart
 280     // leads to setting the focus on the search icon rather than the text area.
 281     // We get around this by explicitly telling the control to set focus to the
 282     // text area.
 283     if ( !AcceptsFocus() )
 284             return ;
 285
 286     wxWindow* former = FindFocus() ;
 287     if ( former == this )
 288         return ;
 289
 290     // as we cannot rely on the control features to find out whether we are in full keyboard mode,
 291     // we can only leave in case of an error
 292     OSStatus err = m_peer->SetFocus( kControlEditTextPart ) ;
 293     if ( err == errCouldntSetFocus )
 294         return ;
 295
 296     SetUserFocusWindow( (WindowRef)MacGetTopLevelWindowRef() );
 297 }
 298
 299 // search control specific interfaces
 300 // wxSearchCtrl owns menu after this call
 301 void wxSearchCtrl::SetMenu( wxMenu* menu )
 302 {
 303     if ( menu == m_menu )
 304     {
 305         // no change
 306         return;
 307     }
 308
 309     if ( m_menu )
 310     {
 311         m_menu->SetInvokingWindow( 0 );
 312     }
 313
 314     delete m_menu;
 315     m_menu = menu;
 316
 317     if ( m_menu )
 318     {
 319         m_menu->SetInvokingWindow( this );
 320     }
 321
 322     GetPeer()->SetSearchMenu( m_menu );
 323 }
 324
 325 wxMenu* wxSearchCtrl::GetMenu()
 326 {
 327     return m_menu;
 328 }
 329
 330 void wxSearchCtrl::ShowSearchButton( bool show )
 331 {
 332     if ( IsSearchButtonVisible() == show )
 333     {
 334         // no change
 335         return;
 336     }
 337     GetPeer()->ShowSearchButton( show );
 338 }
 339
 340 bool wxSearchCtrl::IsSearchButtonVisible() const
 341 {
 342     return GetPeer()->IsSearchButtonVisible();
 343 }
 344
 345
 346 void wxSearchCtrl::ShowCancelButton( bool show )
 347 {
 348     if ( IsCancelButtonVisible() == show )
 349     {
 350         // no change
 351         return;
 352     }
 353     GetPeer()->ShowCancelButton( show );
 354 }
 355
 356 bool wxSearchCtrl::IsCancelButtonVisible() const
 357 {
 358     return GetPeer()->IsCancelButtonVisible();
 359 }
 360
 361 void wxSearchCtrl::SetDescriptiveText(const wxString& text)
 362 {
 363     GetPeer()->SetDescriptiveText(text);
 364 }
 365
 366 wxString wxSearchCtrl::GetDescriptiveText() const
 367 {
 368     return GetPeer()->GetDescriptiveText();
 369 }
 370
 371 wxInt32 wxSearchCtrl::MacSearchFieldSearchHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
 372 {
 373     wxCommandEvent event(wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN, m_windowId );
 374     event.SetEventObject(this);
 375     ProcessCommand(event);
 376     return eventNotHandledErr ;
 377 }
 378
 379 wxInt32 wxSearchCtrl::MacSearchFieldCancelHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
 380 {
 381     wxCommandEvent event(wxEVT_COMMAND_SEARCHCTRL_CANCEL_BTN, m_windowId );
 382     event.SetEventObject(this);
 383     ProcessCommand(event);
 384     return eventNotHandledErr ;
 385 }
 386
 387
 388 void wxSearchCtrl::CreatePeer(
 389            const wxString& str,
 390            const wxPoint& pos,
 391            const wxSize& size, long style )
 392 {
 393     m_peer = new wxMacSearchFieldControl( this , str , pos , size , style );
 394 }
 395
 396 #endif // wxUSE_NATIVE_SEARCH_CONTROL
 397
 398 #endif // wxUSE_SEARCHCTRL