src/osx/cocoa/srchctrl.mm

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/srchctrl.mm
   3 // Purpose:     implements mac carbon wxSearchCtrl
   4 // Author:      Vince Harron
   5 // Created:     2006-02-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   Vince Harron
   8 // Licence:     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/private.h"
  29 #include "wx/osx/cocoa/private/textimpl.h"
  30
  31
  32 @interface wxNSSearchField : NSSearchField
  33 {
  34 }
  35
  36 @end
  37
  38 @implementation wxNSSearchField
  39
  40 + (void)initialize
  41 {
  42     static BOOL initialized = NO;
  43     if (!initialized)
  44     {
  45         initialized = YES;
  46         wxOSXCocoaClassAddWXMethods( self );
  47     }
  48 }
  49
  50 - (id)initWithFrame:(NSRect)frame
  51 {
  52     [super initWithFrame:frame];
  53     return self;
  54 }
  55
  56 - (void)controlTextDidChange:(NSNotification *)aNotification
  57 {
  58     wxUnusedVar(aNotification);
  59     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  60     if ( impl )
  61         impl->controlTextDidChange();
  62 }
  63
  64 @end
  65
  66 // ============================================================================
  67 // wxMacSearchFieldControl
  68 // ============================================================================
  69
  70 class wxNSSearchFieldControl : public wxNSTextFieldControl, public wxSearchWidgetImpl
  71 {
  72 public :
  73     wxNSSearchFieldControl( wxTextCtrl *wxPeer, wxNSSearchField* w  ) : wxNSTextFieldControl(wxPeer, w)
  74     {
  75         m_searchFieldCell = [w cell];
  76         m_searchField = w;
  77     }
  78     ~wxNSSearchFieldControl();
  79
  80     // search field options
  81     virtual void ShowSearchButton( bool show )
  82     {
  83         if ( show )
  84             [m_searchFieldCell resetSearchButtonCell];
  85         else
  86             [m_searchFieldCell setSearchButtonCell:nil];
  87         [m_searchField setNeedsDisplay:YES];
  88     }
  89
  90     virtual bool IsSearchButtonVisible() const
  91     {
  92         return [m_searchFieldCell searchButtonCell] != nil;
  93     }
  94
  95     virtual void ShowCancelButton( bool show )
  96     {
  97         if ( show )
  98             [m_searchFieldCell resetCancelButtonCell];
  99         else
 100             [m_searchFieldCell setCancelButtonCell:nil];
 101         [m_searchField setNeedsDisplay:YES];
 102     }
 103
 104     virtual bool IsCancelButtonVisible() const
 105     {
 106         return [m_searchFieldCell cancelButtonCell] != nil;
 107     }
 108
 109     virtual void SetSearchMenu( wxMenu* menu )
 110     {
 111         if ( menu )
 112             [m_searchFieldCell setSearchMenuTemplate:menu->GetHMenu()];
 113         else
 114             [m_searchFieldCell setSearchMenuTemplate:nil];
 115         [m_searchField setNeedsDisplay:YES];
 116     }
 117
 118     virtual void SetDescriptiveText(const wxString& text)
 119     {
 120         [m_searchFieldCell setPlaceholderString:
 121             wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 122     }
 123
 124     virtual bool SetFocus()
 125     {
 126        return  wxNSTextFieldControl::SetFocus();
 127     }
 128
 129     void controlAction( WXWidget WXUNUSED(slf), void *WXUNUSED(_cmd), void *WXUNUSED(sender))
 130     {
 131         wxSearchCtrl* wxpeer = (wxSearchCtrl*) GetWXPeer();
 132         if ( wxpeer )
 133         {
 134             NSString *searchString = [m_searchField stringValue];
 135             if ( searchString == nil )
 136             {
 137                 wxpeer->HandleSearchFieldCancelHit();
 138             }
 139             else
 140             {
 141                 wxpeer->HandleSearchFieldSearchHit();
 142             }
 143         }
 144     }
 145
 146 private:
 147     wxNSSearchField* m_searchField;
 148     NSSearchFieldCell* m_searchFieldCell;
 149 } ;
 150
 151 wxNSSearchFieldControl::~wxNSSearchFieldControl()
 152 {
 153 }
 154
 155 wxWidgetImplType* wxWidgetImpl::CreateSearchControl( wxSearchCtrl* wxpeer,
 156                                     wxWindowMac* WXUNUSED(parent),
 157                                     wxWindowID WXUNUSED(id),
 158                                     const wxString& str,
 159                                     const wxPoint& pos,
 160                                     const wxSize& size,
 161                                     long WXUNUSED(style),
 162                                     long WXUNUSED(extraStyle))
 163 {
 164     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 165     wxNSSearchField* v = [[wxNSSearchField alloc] initWithFrame:r];
 166     [[v cell] setSendsWholeSearchString:YES];
 167     // per wx default cancel is not shown
 168     [[v cell] setCancelButtonCell:nil];
 169
 170     wxNSSearchFieldControl* c = new wxNSSearchFieldControl( wxpeer, v );
 171     c->SetNeedsFrame( false );
 172     c->SetStringValue( str );
 173     return c;
 174 }
 175
 176 #endif // wxUSE_NATIVE_SEARCH_CONTROL
 177
 178 #endif // wxUSE_SEARCHCTRL