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 // 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     [self setTarget: self];
  54     [self setAction: @selector(searchAction:)];
  55     return self;
  56 }
  57
  58 - (void) searchAction: (id) sender
  59 {
  60     (void) sender;
  61     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  62     if ( impl )
  63     {
  64         wxSearchCtrl* wxpeer = dynamic_cast<wxSearchCtrl*>( impl->GetWXPeer() );
  65         if ( wxpeer )
  66         {
  67             NSString *searchString = [self stringValue];
  68             if ( searchString == nil )
  69             {
  70                 wxpeer->HandleSearchFieldCancelHit();
  71             }
  72             else
  73             {
  74                 wxpeer->HandleSearchFieldSearchHit();
  75             }
  76         }
  77     }
  78 }
  79
  80 - (void)controlTextDidChange:(NSNotification *)aNotification
  81 {
  82     wxUnusedVar(aNotification);
  83     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  84     if ( impl )
  85         impl->controlTextDidChange();
  86 }
  87
  88 @end
  89
  90 // ============================================================================
  91 // wxMacSearchFieldControl
  92 // ============================================================================
  93
  94 class wxNSSearchFieldControl : public wxNSTextFieldControl, public wxSearchWidgetImpl
  95 {
  96 public :
  97     wxNSSearchFieldControl( wxTextCtrl *wxPeer, wxNSSearchField* w  ) : wxNSTextFieldControl(wxPeer, w)
  98     {
  99         m_searchFieldCell = [w cell];
 100         m_searchField = w;
 101     }
 102     ~wxNSSearchFieldControl();
 103
 104     // search field options
 105     virtual void ShowSearchButton( bool show )
 106     {
 107         if ( show )
 108             [m_searchFieldCell resetSearchButtonCell];
 109         else
 110             [m_searchFieldCell setSearchButtonCell:nil];
 111         [m_searchField setNeedsDisplay:YES];
 112     }
 113
 114     virtual bool IsSearchButtonVisible() const
 115     {
 116         return [m_searchFieldCell searchButtonCell] != nil;
 117     }
 118
 119     virtual void ShowCancelButton( bool show )
 120     {
 121         if ( show )
 122             [m_searchFieldCell resetCancelButtonCell];
 123         else
 124             [m_searchFieldCell setCancelButtonCell:nil];
 125         [m_searchField setNeedsDisplay:YES];
 126     }
 127
 128     virtual bool IsCancelButtonVisible() const
 129     {
 130         return [m_searchFieldCell cancelButtonCell] != nil;
 131     }
 132
 133     virtual void SetSearchMenu( wxMenu* menu )
 134     {
 135         if ( menu )
 136             [m_searchFieldCell setSearchMenuTemplate:menu->GetHMenu()];
 137         else
 138             [m_searchFieldCell setSearchMenuTemplate:nil];
 139         [m_searchField setNeedsDisplay:YES];
 140     }
 141
 142     virtual void SetDescriptiveText(const wxString& text)
 143     {
 144         [m_searchFieldCell setPlaceholderString:
 145             wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 146     }
 147
 148     virtual bool SetFocus()
 149     {
 150        return  wxNSTextFieldControl::SetFocus();
 151     }
 152
 153 private:
 154     wxNSSearchField* m_searchField;
 155     NSSearchFieldCell* m_searchFieldCell;
 156 } ;
 157
 158 wxNSSearchFieldControl::~wxNSSearchFieldControl()
 159 {
 160 }
 161
 162 wxWidgetImplType* wxWidgetImpl::CreateSearchControl( wxTextCtrl* wxpeer,
 163                                     wxWindowMac* WXUNUSED(parent),
 164                                     wxWindowID WXUNUSED(id),
 165                                     const wxString& str,
 166                                     const wxPoint& pos,
 167                                     const wxSize& size,
 168                                     long WXUNUSED(style),
 169                                     long WXUNUSED(extraStyle))
 170 {
 171     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 172     wxNSSearchField* v = [[wxNSSearchField alloc] initWithFrame:r];
 173     [[v cell] setSendsWholeSearchString:YES];
 174     // per wx default cancel is not shown
 175     [[v cell] setCancelButtonCell:nil];
 176
 177     wxNSSearchFieldControl* c = new wxNSSearchFieldControl( wxpeer, v );
 178     c->SetNeedsFrame( false );
 179     c->SetStringValue( str );
 180     return c;
 181 }
 182
 183 #endif // wxUSE_NATIVE_SEARCH_CONTROL
 184
 185 #endif // wxUSE_SEARCHCTRL