src/cocoa/choice.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/choice.mm
   3 // Purpose:     wxChoice
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/16
   7 // Id:          $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_CHOICE
  15
  16 #include "wx/choice.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/log.h"
  20     #include "wx/app.h"
  21     #include "wx/arrstr.h"
  22 #endif //WX_PRECOMP
  23
  24 #include "wx/cocoa/string.h"
  25 #include "wx/cocoa/autorelease.h"
  26
  27 #import <AppKit/NSPopUpButton.h>
  28 #import <AppKit/NSMenu.h>
  29 #import <Foundation/NSNotification.h>
  30 #import <Foundation/NSDictionary.h>
  31
  32 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControlWithItems)
  33 BEGIN_EVENT_TABLE(wxChoice, wxChoiceBase)
  34 END_EVENT_TABLE()
  35 // WX_IMPLEMENT_COCOA_OWNER(wxChoice,NSButton,NSControl,NSView)
  36
  37 void wxChoice::Init()
  38 {
  39     m_sortedStrings = NULL;
  40 }
  41
  42 bool wxChoice::Create(wxWindow *parent, wxWindowID winid,
  43             const wxPoint& pos,
  44             const wxSize& size,
  45             const wxArrayString& choices,
  46             long style,
  47             const wxValidator& validator,
  48             const wxString& name)
  49 {
  50     wxCArrayString chs(choices);
  51
  52     return Create(parent, winid, pos, size, chs.GetCount(), chs.GetStrings(),
  53                   style, validator, name);
  54 }
  55
  56 bool wxChoice::Create(wxWindow *parent, wxWindowID winid,
  57             const wxPoint& pos,
  58             const wxSize& size,
  59             int n, const wxString choices[],
  60             long style,
  61             const wxValidator& validator,
  62             const wxString& name)
  63 {
  64     wxAutoNSAutoreleasePool pool;
  65     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  66         return false;
  67
  68     SetNSView([[NSPopUpButton alloc] initWithFrame:MakeDefaultNSRect(size)
  69         pullsDown: NO]);
  70     [m_cocoaNSView release];
  71
  72     NSMenu *nsmenu = [(NSPopUpButton*)m_cocoaNSView menu];
  73     AssociateNSMenu(nsmenu, OBSERVE_DidSendAction);
  74
  75     if(style&wxCB_SORT)
  76     {
  77         m_sortedStrings = new wxSortedArrayString;
  78         for(int i=0; i<n; i++)
  79         {
  80             m_sortedStrings->Add(choices[i]);
  81         }
  82         for(unsigned int i=0; i < m_sortedStrings->GetCount(); i++)
  83         {
  84             [nsmenu addItemWithTitle:wxNSStringWithWxString(
  85                     m_sortedStrings->Item(i))
  86                 action: nil keyEquivalent:@""];
  87         }
  88     }
  89     else
  90     {
  91         for(int i=0; i<n; i++)
  92         {
  93             [nsmenu addItemWithTitle:wxNSStringWithWxString(choices[i])
  94                 action: nil keyEquivalent:@""];
  95         }
  96     }
  97     m_itemsClientData.SetCount(n);
  98
  99     [(NSPopUpButton*)m_cocoaNSView sizeToFit];
 100     if(m_parent)
 101         m_parent->CocoaAddChild(this);
 102     SetInitialFrameRect(pos,size);
 103
 104     return true;
 105 }
 106
 107 wxChoice::~wxChoice()
 108 {
 109     DisassociateNSMenu([(NSPopUpButton*)m_cocoaNSView menu]);
 110
 111     Clear();
 112 }
 113
 114 void wxChoice::CocoaNotification_menuDidSendAction(WX_NSNotification notification)
 115 {
 116     NSDictionary *userInfo = [notification userInfo];
 117     NSMenuItem *menuitem = [userInfo objectForKey:@"MenuItem"];
 118     int index = [[(NSPopUpButton*)m_cocoaNSView menu] indexOfItem: menuitem];
 119     int selectedItem = [(NSPopUpButton*)m_cocoaNSView indexOfSelectedItem];
 120     wxLogTrace(wxTRACE_COCOA,wxT("menuDidSendAction, index=%d, selectedItem=%d"), index, selectedItem);
 121     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId);
 122     event.SetInt(index);
 123     event.SetEventObject(this);
 124     event.SetString(GetStringSelection());
 125     GetEventHandler()->ProcessEvent(event);
 126 }
 127
 128 void wxChoice::DoClear()
 129 {
 130     if(m_sortedStrings)
 131         m_sortedStrings->Clear();
 132     m_itemsClientData.Clear();
 133     [(NSPopUpButton*)m_cocoaNSView removeAllItems];
 134 }
 135
 136 void wxChoice::DoDeleteOneItem(unsigned int n)
 137 {
 138     if(m_sortedStrings)
 139         m_sortedStrings->RemoveAt(n);
 140     m_itemsClientData.RemoveAt(n);
 141     [(NSPopUpButton*)m_cocoaNSView removeItemAtIndex:n];
 142 }
 143
 144 unsigned int wxChoice::GetCount() const
 145 {
 146     return (unsigned int)[(NSPopUpButton*)m_cocoaNSView numberOfItems];
 147 }
 148
 149 wxString wxChoice::GetString(unsigned int n) const
 150 {
 151     wxAutoNSAutoreleasePool pool;
 152     return wxStringWithNSString([(NSPopUpButton*)m_cocoaNSView itemTitleAtIndex:n]);
 153 }
 154
 155 void wxChoice::SetString(unsigned int n, const wxString& title)
 156 {
 157     NSMenuItem *item = [(NSPopUpButton*)m_cocoaNSView itemAtIndex:n];
 158     [item setTitle:wxNSStringWithWxString(title)];
 159 }
 160
 161 int wxChoice::FindString(const wxString& title, bool bCase) const
 162 {
 163     // FIXME: use wxItemContainerImmutable::FindString for bCase parameter
 164     return [(NSPopUpButton*)m_cocoaNSView indexOfItemWithTitle:
 165         wxNSStringWithWxString(title)];
 166 }
 167
 168 int wxChoice::GetSelection() const
 169 {
 170     return [(NSPopUpButton*)m_cocoaNSView indexOfSelectedItem];
 171 }
 172
 173 int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
 174                             unsigned int pos,
 175                             void **clientData, wxClientDataType type)
 176 {
 177     NSMenu *nsmenu = [(NSPopUpButton*)m_cocoaNSView menu];
 178     NSMenuItem *item = NULL;
 179
 180     unsigned int numItems = items.GetCount();
 181     for ( unsigned int i = 0; i < numItems; ++i, ++pos )
 182     {
 183         const wxString& str = items[i];
 184         int idx = m_sortedStrings ? m_sortedStrings->Add(str) : pos;
 185
 186         item = [nsmenu insertItemWithTitle:wxNSStringWithWxString(str)
 187             action: nil keyEquivalent:@"" atIndex:idx];
 188         m_itemsClientData.Insert(NULL, idx);
 189         AssignNewItemClientData(idx, clientData, i, type);
 190     }
 191     return [nsmenu indexOfItem:item];
 192 }
 193
 194 void wxChoice::DoSetItemClientData(unsigned int n, void *data)
 195 {
 196     m_itemsClientData[n] = data;
 197 }
 198
 199 void* wxChoice::DoGetItemClientData(unsigned int n) const
 200 {
 201     return m_itemsClientData[n];
 202 }
 203
 204 void wxChoice::SetSelection(int n)
 205 {
 206     wxAutoNSAutoreleasePool pool;
 207     [(NSPopUpButton*)m_cocoaNSView selectItemAtIndex:n];
 208 }
 209
 210 #endif // wxUSE_CHOICE