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     WXCOCOAIMPL_COMMON_MEMBERS
  35 }
  36
  37 WXCOCOAIMPL_COMMON_INTERFACE
  38
  39 @end
  40
  41 @implementation wxNSSearchField
  42
  43 - (id)initWithFrame:(NSRect)frame
  44 {
  45     [super initWithFrame:frame];
  46     impl = NULL;
  47     [self setTarget: self];
  48     [self setAction: @selector(searchAction:)];
  49     return self;
  50 }
  51
  52 WXCOCOAIMPL_COMMON_IMPLEMENTATION
  53
  54 // use our common calls
  55 - (void) setTitle:(NSString *) title
  56 {
  57     [self setStringValue: title];
  58 }
  59
  60 - (void) searchAction: (id) sender
  61 {
  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 @end
  81
  82 // ============================================================================
  83 // wxMacSearchFieldControl
  84 // ============================================================================
  85
  86 class wxNSSearchFieldControl : public wxNSTextFieldControl, public wxSearchWidgetImpl
  87 {
  88 public :
  89     wxNSSearchFieldControl( wxTextCtrl *wxPeer, wxNSSearchField* w  ) : wxNSTextFieldControl(wxPeer, w)
  90     {
  91         m_searchFieldCell = [w cell];
  92         m_searchField = w;
  93     }
  94     ~wxNSSearchFieldControl();
  95
  96     // search field options
  97     virtual void ShowSearchButton( bool show )
  98     {
  99         if ( show )
 100             [m_searchFieldCell resetSearchButtonCell];
 101         else
 102             [m_searchFieldCell setSearchButtonCell:nil];
 103         [m_searchField setNeedsDisplay:YES];
 104     }
 105
 106     virtual bool IsSearchButtonVisible() const
 107     {
 108         return [m_searchFieldCell searchButtonCell] != nil;
 109     }
 110
 111     virtual void ShowCancelButton( bool show )
 112     {
 113         if ( show )
 114             [m_searchFieldCell resetCancelButtonCell];
 115         else
 116             [m_searchFieldCell setCancelButtonCell:nil];
 117         [m_searchField setNeedsDisplay:YES];
 118     }
 119
 120     virtual bool IsCancelButtonVisible() const
 121     {
 122         return [m_searchFieldCell cancelButtonCell] != nil;
 123     }
 124
 125     virtual void SetSearchMenu( wxMenu* menu )
 126     {
 127         if ( menu )
 128             [m_searchFieldCell setSearchMenuTemplate:menu->GetHMenu()];
 129         else
 130             [m_searchFieldCell setSearchMenuTemplate:nil];
 131         [m_searchField setNeedsDisplay:YES];
 132     }
 133
 134     virtual void SetDescriptiveText(const wxString& text)
 135     {
 136         [m_searchFieldCell setPlaceholderString:
 137             wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 138     }
 139
 140     virtual bool SetFocus()
 141     {
 142        return  wxNSTextFieldControl::SetFocus();
 143     }
 144
 145 private:
 146     wxNSSearchField* m_searchField;
 147     NSSearchFieldCell* m_searchFieldCell;
 148 } ;
 149
 150 wxNSSearchFieldControl::~wxNSSearchFieldControl()
 151 {
 152 }
 153
 154 wxWidgetImplType* wxWidgetImpl::CreateSearchControl( wxTextCtrl* wxpeer,
 155                                     wxWindowMac* parent,
 156                                     wxWindowID id,
 157                                     const wxString& str,
 158                                     const wxPoint& pos,
 159                                     const wxSize& size,
 160                                     long style,
 161                                     long extraStyle)
 162 {
 163     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 164     wxNSSearchField* v = [[wxNSSearchField alloc] initWithFrame:r];
 165     [[v cell] setSendsWholeSearchString:YES];
 166     // per wx default cancel is not shown
 167     [[v cell] setCancelButtonCell:nil];
 168
 169     wxNSSearchFieldControl* c = new wxNSSearchFieldControl( wxpeer, v );
 170     c->SetStringValue( str );
 171     [v setImplementation:c];
 172     return c;
 173 }
 174
 175 #endif // wxUSE_NATIVE_SEARCH_CONTROL
 176
 177 #endif // wxUSE_SEARCHCTRL