src/osx/cocoa/srchctrl.mm

   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: srchctrl.cpp 54820 2008-07-29 20:04:11Z SC $
   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/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     [self setTarget: self];
  54     [self setAction: @selector(searchAction:)];
  55     return self;
  56 }
  57
  58 // use our common calls
  59 - (void) setTitle:(NSString *) title
  60 {
  61     [self setStringValue: title];
  62 }
  63
  64 - (void) searchAction: (id) sender
  65 {
  66     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  67     if ( impl )
  68     {
  69         wxSearchCtrl* wxpeer = dynamic_cast<wxSearchCtrl*>( impl->GetWXPeer() );
  70         if ( wxpeer )
  71         {
  72             NSString *searchString = [self stringValue];
  73             if ( searchString == nil )
  74             {
  75                 wxpeer->HandleSearchFieldCancelHit();
  76             }
  77             else
  78             {
  79                 wxpeer->HandleSearchFieldSearchHit();
  80             }
  81         }
  82     }
  83 }
  84
  85 @end
  86
  87 // ============================================================================
  88 // wxMacSearchFieldControl
  89 // ============================================================================
  90
  91 class wxNSSearchFieldControl : public wxNSTextFieldControl, public wxSearchWidgetImpl
  92 {
  93 public :
  94     wxNSSearchFieldControl( wxTextCtrl *wxPeer, wxNSSearchField* w  ) : wxNSTextFieldControl(wxPeer, w)
  95     {
  96         m_searchFieldCell = [w cell];
  97         m_searchField = w;
  98     }
  99     ~wxNSSearchFieldControl();
 100
 101     // search field options
 102     virtual void ShowSearchButton( bool show )
 103     {
 104         if ( show )
 105             [m_searchFieldCell resetSearchButtonCell];
 106         else
 107             [m_searchFieldCell setSearchButtonCell:nil];
 108         [m_searchField setNeedsDisplay:YES];
 109     }
 110
 111     virtual bool IsSearchButtonVisible() const
 112     {
 113         return [m_searchFieldCell searchButtonCell] != nil;
 114     }
 115
 116     virtual void ShowCancelButton( bool show )
 117     {
 118         if ( show )
 119             [m_searchFieldCell resetCancelButtonCell];
 120         else
 121             [m_searchFieldCell setCancelButtonCell:nil];
 122         [m_searchField setNeedsDisplay:YES];
 123     }
 124
 125     virtual bool IsCancelButtonVisible() const
 126     {
 127         return [m_searchFieldCell cancelButtonCell] != nil;
 128     }
 129
 130     virtual void SetSearchMenu( wxMenu* menu )
 131     {
 132         if ( menu )
 133             [m_searchFieldCell setSearchMenuTemplate:menu->GetHMenu()];
 134         else
 135             [m_searchFieldCell setSearchMenuTemplate:nil];
 136         [m_searchField setNeedsDisplay:YES];
 137     }
 138
 139     virtual void SetDescriptiveText(const wxString& text)
 140     {
 141         [m_searchFieldCell setPlaceholderString:
 142             wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 143     }
 144
 145     virtual bool SetFocus()
 146     {
 147        return  wxNSTextFieldControl::SetFocus();
 148     }
 149
 150 private:
 151     wxNSSearchField* m_searchField;
 152     NSSearchFieldCell* m_searchFieldCell;
 153 } ;
 154
 155 wxNSSearchFieldControl::~wxNSSearchFieldControl()
 156 {
 157 }
 158
 159 wxWidgetImplType* wxWidgetImpl::CreateSearchControl( wxTextCtrl* wxpeer,
 160                                     wxWindowMac* parent,
 161                                     wxWindowID id,
 162                                     const wxString& str,
 163                                     const wxPoint& pos,
 164                                     const wxSize& size,
 165                                     long style,
 166                                     long extraStyle)
 167 {
 168     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 169     wxNSSearchField* v = [[wxNSSearchField alloc] initWithFrame:r];
 170     [[v cell] setSendsWholeSearchString:YES];
 171     // per wx default cancel is not shown
 172     [[v cell] setCancelButtonCell:nil];
 173
 174     wxNSSearchFieldControl* c = new wxNSSearchFieldControl( wxpeer, v );
 175     c->SetStringValue( str );
 176     return c;
 177 }
 178
 179 #endif // wxUSE_NATIVE_SEARCH_CONTROL
 180
 181 #endif // wxUSE_SEARCHCTRL