src/cocoa/choice.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/choice.mm
   3 // Purpose:     wxChoice
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/16
   7 // RCS-ID:      $Id:
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13 #ifndef WX_PRECOMP
  14     #include "wx/log.h"
  15     #include "wx/app.h"
  16     #include "wx/choice.h"
  17     #include "wx/arrstr.h"
  18 #endif //WX_PRECOMP
  19
  20 #include "wx/cocoa/string.h"
  21 #include "wx/cocoa/autorelease.h"
  22
  23 #import <AppKit/NSPopUpButton.h>
  24 #import <AppKit/NSMenu.h>
  25 #import <Foundation/NSNotification.h>
  26 #import <Foundation/NSDictionary.h>
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
  29 BEGIN_EVENT_TABLE(wxChoice, wxChoiceBase)
  30 END_EVENT_TABLE()
  31 // WX_IMPLEMENT_COCOA_OWNER(wxChoice,NSButton,NSControl,NSView)
  32
  33 void wxChoice::Init()
  34 {
  35     m_sortedStrings = NULL;
  36 }
  37
  38 bool wxChoice::Create(wxWindow *parent, wxWindowID winid,
  39             const wxPoint& pos,
  40             const wxSize& size,
  41             const wxArrayString& choices,
  42             long style,
  43             const wxValidator& validator,
  44             const wxString& name)
  45 {
  46     wxCArrayString chs(choices);
  47
  48     return Create(parent, winid, pos, size, chs.GetCount(), chs.GetStrings(),
  49                   style, validator, name);
  50 }
  51
  52 bool wxChoice::Create(wxWindow *parent, wxWindowID winid,
  53             const wxPoint& pos,
  54             const wxSize& size,
  55             int n, const wxString choices[],
  56             long style,
  57             const wxValidator& validator,
  58             const wxString& name)
  59 {
  60     wxAutoNSAutoreleasePool pool;
  61     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  62         return false;
  63
  64     SetNSView([[NSPopUpButton alloc] initWithFrame:MakeDefaultNSRect(size)
  65         pullsDown: NO]);
  66     [m_cocoaNSView release];
  67
  68     NSMenu *nsmenu = [(NSPopUpButton*)m_cocoaNSView menu];
  69     AssociateNSMenu(nsmenu, OBSERVE_DidSendAction);
  70
  71     if(style&wxCB_SORT)
  72     {
  73         m_sortedStrings = new wxSortedArrayString;
  74         for(int i=0; i<n; i++)
  75         {
  76             m_sortedStrings->Add(choices[i]);
  77         }
  78         for(size_t i=0; i < m_sortedStrings->GetCount(); i++)
  79         {
  80             [nsmenu addItemWithTitle:wxNSStringWithWxString(
  81                     m_sortedStrings->Item(i))
  82                 action: nil keyEquivalent:@""];
  83         }
  84     }
  85     else
  86     {
  87         for(int i=0; i<n; i++)
  88         {
  89             [nsmenu addItemWithTitle:wxNSStringWithWxString(choices[i])
  90                 action: nil keyEquivalent:@""];
  91         }
  92     }
  93     m_itemsClientData.SetCount(n);
  94
  95     [(NSPopUpButton*)m_cocoaNSView sizeToFit];
  96     if(m_parent)
  97         m_parent->CocoaAddChild(this);
  98     SetInitialFrameRect(pos,size);
  99
 100     return true;
 101 }
 102
 103 wxChoice::~wxChoice()
 104 {
 105     DisassociateNSMenu([(NSPopUpButton*)m_cocoaNSView menu]);
 106
 107     if(m_sortedStrings)
 108         m_sortedStrings->Clear();
 109     delete m_sortedStrings;
 110
 111     if(HasClientObjectData())
 112     {
 113         for(size_t i=0; i < m_itemsClientData.GetCount(); i++)
 114             delete (wxClientData*)m_itemsClientData.Item(i);
 115     }
 116     m_itemsClientData.Clear();
 117 }
 118
 119 void wxChoice::CocoaNotification_menuDidSendAction(WX_NSNotification notification)
 120 {
 121     NSDictionary *userInfo = [notification userInfo];
 122     NSMenuItem *menuitem = [userInfo objectForKey:@"MenuItem"];
 123     int index = [[(NSPopUpButton*)m_cocoaNSView menu] indexOfItem: menuitem];
 124     int selectedItem = [(NSPopUpButton*)m_cocoaNSView indexOfSelectedItem];
 125     wxLogTrace(wxTRACE_COCOA,wxT("menuDidSendAction, index=%d, selectedItem=%d"), index, selectedItem);
 126     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId);
 127     event.SetInt(index);
 128     event.SetEventObject(this);
 129     event.SetString(GetStringSelection());
 130     GetEventHandler()->ProcessEvent(event);
 131 }
 132
 133 void wxChoice::Clear()
 134 {
 135     if(m_sortedStrings)
 136         m_sortedStrings->Clear();
 137     if(HasClientObjectData())
 138     {
 139         for(size_t i=0; i < m_itemsClientData.GetCount(); i++)
 140             delete (wxClientData*)m_itemsClientData.Item(i);
 141     }
 142     m_itemsClientData.Clear();
 143     [(NSPopUpButton*)m_cocoaNSView removeAllItems];
 144 }
 145
 146 void wxChoice::Delete(int n)
 147 {
 148     if(m_sortedStrings)
 149         m_sortedStrings->RemoveAt(n);
 150     if(HasClientObjectData())
 151         delete (wxClientData*)m_itemsClientData.Item(n);
 152     m_itemsClientData.RemoveAt(n);
 153     [(NSPopUpButton*)m_cocoaNSView removeItemAtIndex:n];
 154 }
 155
 156 int wxChoice::GetCount() const
 157 {
 158     return [(NSPopUpButton*)m_cocoaNSView numberOfItems];
 159 }
 160
 161 wxString wxChoice::GetString(int n) const
 162 {
 163     wxAutoNSAutoreleasePool pool;
 164     return wxStringWithNSString([(NSPopUpButton*)m_cocoaNSView itemTitleAtIndex:n]);
 165 }
 166
 167 void wxChoice::SetString(int n, const wxString& title)
 168 {
 169     NSMenuItem *item = [(NSPopUpButton*)m_cocoaNSView itemAtIndex:n];
 170     [item setTitle:wxNSStringWithWxString(title)];
 171 }
 172
 173 int wxChoice::FindString(const wxString& title) const
 174 {
 175     return [(NSPopUpButton*)m_cocoaNSView indexOfItemWithTitle:
 176         wxNSStringWithWxString(title)];
 177 }
 178
 179 int wxChoice::GetSelection() const
 180 {
 181     return [(NSPopUpButton*)m_cocoaNSView indexOfSelectedItem];
 182 }
 183
 184 int wxChoice::DoAppend(const wxString& title)
 185 {
 186     NSMenu *nsmenu = [(NSPopUpButton*)m_cocoaNSView menu];
 187     NSMenuItem *item;
 188     if(m_sortedStrings)
 189     {
 190         int sortedIndex = m_sortedStrings->Add(title);
 191         item = [nsmenu insertItemWithTitle:
 192                 wxNSStringWithWxString(title)
 193             action: nil keyEquivalent:@"" atIndex:sortedIndex];
 194         m_itemsClientData.Insert(NULL, sortedIndex);
 195     }
 196     else
 197     {
 198         item = [nsmenu addItemWithTitle:wxNSStringWithWxString(title)
 199             action: nil keyEquivalent:@""];
 200         m_itemsClientData.Add(NULL);
 201     }
 202     return [nsmenu indexOfItem:item];
 203 }
 204
 205 int wxChoice::DoInsert(const wxString& title, int pos)
 206 {
 207     if(m_sortedStrings)
 208         return DoAppend(title);
 209     NSMenu *nsmenu = [(NSPopUpButton*)m_cocoaNSView menu];
 210     NSMenuItem *item = [nsmenu insertItemWithTitle:wxNSStringWithWxString(title)
 211         action: nil keyEquivalent:@"" atIndex:pos];
 212     m_itemsClientData.Insert(NULL, pos);
 213     return [nsmenu indexOfItem:item];
 214 }
 215
 216 void wxChoice::DoSetItemClientData(int n, void *data)
 217 {
 218     m_itemsClientData.Item(n) = data;
 219 }
 220
 221 void* wxChoice::DoGetItemClientData(int n) const
 222 {
 223     return m_itemsClientData.Item(n);
 224 }
 225
 226 void wxChoice::DoSetItemClientObject(int n, wxClientData *data)
 227 {
 228     m_itemsClientData.Item(n) = data;
 229 }
 230
 231 wxClientData* wxChoice::DoGetItemClientObject(int n) const
 232 {
 233     return (wxClientData*)m_itemsClientData.Item(n);
 234 }
 235
 236 void wxChoice::SetSelection(int n)
 237 {
 238     wxAutoNSAutoreleasePool pool;
 239     [(NSPopUpButton*)m_cocoaNSView selectItemAtIndex:n];
 240 }
 241