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