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2ac013b1 1/////////////////////////////////////////////////////////////////////////////
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2// Name: choice.cpp
3// Purpose: wxChoice
a31a5f85 4// Author: Stefan Csomor
e9576ca5 5// Modified by:
a31a5f85 6// Created: 1998-01-01
e9576ca5 7// RCS-ID: $Id$
a31a5f85 8// Copyright: (c) Stefan Csomor
65571936 9// Licence: wxWindows licence
e9576ca5 10/////////////////////////////////////////////////////////////////////////////
e40298d5 11
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12#ifdef __GNUG__
13#pragma implementation "choice.h"
14#endif
e40298d5 15
d8c736e5 16#include "wx/defs.h"
e9576ca5 17#include "wx/choice.h"
03e11df5 18#include "wx/menu.h"
519cb848 19#include "wx/mac/uma.h"
e40298d5 20
2f1ae414 21#if !USE_SHARED_LIBRARY
e9576ca5 22IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
2f1ae414 23#endif
e40298d5 24
892e461e 25extern MenuHandle NewUniqueMenu() ;
e40298d5 26
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27wxChoice::~wxChoice()
28{
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29 if ( HasClientObjectData() )
30 {
31 size_t i, max = GetCount();
32
33 for ( i = 0; i < max; ++i )
34 delete GetClientObject(i);
35 }
36
37 // DeleteMenu( m_macPopUpMenuId ) ;
e40298d5 38 // DisposeMenu( m_macPopUpMenuHandle ) ;
5b781a67 39}
e40298d5 40
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41bool wxChoice::Create(wxWindow *parent, wxWindowID id,
42 const wxPoint& pos,
43 const wxSize& size,
44 const wxArrayString& choices,
45 long style,
46 const wxValidator& validator,
47 const wxString& name)
48{
49 wxCArrayString chs(choices);
50
51 return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
52 style, validator, name);
53}
54
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55bool wxChoice::Create(wxWindow *parent, wxWindowID id,
56 const wxPoint& pos,
57 const wxSize& size,
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58 int n, const wxString choices[],
59 long style,
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60 const wxValidator& validator,
61 const wxString& name)
62{
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63 m_macIsUserPane = FALSE ;
64
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65 if ( !wxChoiceBase::Create(parent, id, pos, size, style, validator, name) )
66 return false;
67
facd6764 68 Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
4c37f124 69
21fd5529 70 m_peer = new wxMacControl() ;
4c37f124 71 verify_noerr ( CreatePopupButtonControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") ,
5ca0d812 72 -12345 , false /* no variable width */ , 0 , 0 , 0 , m_peer->GetControlRefAddr() ) );
21fd5529 73
c69279ef 74
e40298d5 75 m_macPopUpMenuHandle = NewUniqueMenu() ;
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76 m_peer->SetData<MenuHandle>( kControlNoPart , kControlPopupButtonMenuHandleTag , (MenuHandle) m_macPopUpMenuHandle ) ;
77 m_peer->SetValueAndRange( n > 0 ? 1 : 0 , 0 , 0 ) ;
facd6764 78 MacPostControlCreate(pos,size) ;
258e4e91 79 // TODO wxCB_SORT
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80 for ( int i = 0; i < n; i++ )
81 {
82 Append(choices[i]);
83 }
d3b5db4b 84 SetBestSize(size); // Needed because it is a wxControlWithItems
e40298d5 85 return TRUE;
e9576ca5 86}
e40298d5 87
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88// ----------------------------------------------------------------------------
89// adding/deleting items to/from the list
90// ----------------------------------------------------------------------------
2597135a 91int wxChoice::DoAppend(const wxString& item)
e9576ca5 92{
a9412f8f 93 UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item, m_font.GetEncoding() );
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94 m_strings.Add( item ) ;
95 m_datas.Add( NULL ) ;
96 int index = m_strings.GetCount() - 1 ;
97 DoSetItemClientData( index , NULL ) ;
21fd5529 98 m_peer->SetMaximum( GetCount() ) ;
e40298d5 99 return index ;
2597135a 100}
e40298d5 101
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102int wxChoice::DoInsert(const wxString& item, int pos)
103{
104 wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
105 wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
106
107 if (pos == GetCount())
108 return DoAppend(item);
109
a9412f8f 110 UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item, m_font.GetEncoding() );
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111 m_strings.Insert( item, pos ) ;
112 m_datas.Insert( NULL, pos ) ;
113 DoSetItemClientData( pos , NULL ) ;
21fd5529 114 m_peer->SetMaximum( GetCount() ) ;
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115 return pos ;
116}
117
b668a735 118void wxChoice::Delete(int n)
2597135a 119{
b668a735 120 wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
b668a735 121 if ( HasClientObjectData() )
2597135a 122 {
b668a735 123 delete GetClientObject(n);
2597135a 124 }
76a5e5d2 125 ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1) ;
5fe38474 126 m_strings.RemoveAt( n ) ;
3ef585df 127 m_datas.RemoveAt( n ) ;
21fd5529 128 m_peer->SetMaximum( GetCount() ) ;
e9576ca5 129}
e40298d5 130
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131void wxChoice::Clear()
132{
4b651a46 133 FreeData();
b668a735 134 for ( int i = 0 ; i < GetCount() ; i++ )
519cb848 135 {
e40298d5 136 ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , 1 ) ;
4b651a46 137 }
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138 m_strings.Empty() ;
139 m_datas.Empty() ;
21fd5529 140 m_peer->SetMaximum( 0 ) ;
e9576ca5 141}
e40298d5 142
4b651a46 143void wxChoice::FreeData()
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144{
145 if ( HasClientObjectData() )
146 {
147 size_t count = GetCount();
148 for ( size_t n = 0; n < count; n++ )
149 {
150 delete GetClientObject(n);
151 }
152 }
153}
e40298d5 154
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155// ----------------------------------------------------------------------------
156// selection
157// ----------------------------------------------------------------------------
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158int wxChoice::GetSelection() const
159{
21fd5529 160 return m_peer->GetValue() -1 ;
e9576ca5 161}
e40298d5 162
b668a735 163void wxChoice::SetSelection(int n)
519cb848 164{
21fd5529 165 m_peer->SetValue( n + 1 ) ;
519cb848 166}
e40298d5 167
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168// ----------------------------------------------------------------------------
169// string list functions
170// ----------------------------------------------------------------------------
e40298d5 171
b668a735 172int wxChoice::GetCount() const
e9576ca5 173{
b668a735 174 return m_strings.GetCount() ;
e9576ca5 175}
e40298d5 176
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177int wxChoice::FindString(const wxString& s) const
178{
b668a735 179 for( int i = 0 ; i < GetCount() ; i++ )
519cb848 180 {
e40298d5 181 if ( GetString( i ).IsSameAs(s, FALSE) )
c69279ef 182 return i ;
519cb848 183 }
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184 return wxNOT_FOUND ;
185}
e40298d5 186
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187void wxChoice::SetString(int n, const wxString& s)
188{
4b651a46 189 wxFAIL_MSG(wxT("wxChoice::SetString() not yet implemented"));
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190#if 0 // should do this, but no Insert() so far
191 Delete(n);
192 Insert(n + 1, s);
193#endif
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194}
195
196wxString wxChoice::GetString(int n) const
197{
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198 wxCHECK_MSG( n >= 0 && (size_t)n < m_strings.GetCount(), _T(""),
199 _T("wxChoice::GetString(): invalid index") );
200
e40298d5 201 return m_strings[n] ;
e9576ca5 202}
17a6a662 203
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204// ----------------------------------------------------------------------------
205// client data
206// ----------------------------------------------------------------------------
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207void wxChoice::DoSetItemClientData( int n, void* clientData )
208{
d81cc883 209 wxCHECK_RET( n >= 0 && (size_t)n < m_datas.GetCount(),
427ff662 210 wxT("invalid index in wxChoice::SetClientData") );
c69279ef 211
d81cc883 212 m_datas[n] = (char*) clientData ;
b668a735 213}
e40298d5 214
d81cc883 215void *wxChoice::DoGetItemClientData(int n) const
b668a735 216{
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217 wxCHECK_MSG( n >= 0 && (size_t)n < m_datas.GetCount(), NULL,
218 wxT("invalid index in wxChoice::GetClientData") );
d81cc883 219 return (void *)m_datas[n];
b668a735 220}
e40298d5 221
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222void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
223{
224 DoSetItemClientData(n, clientData);
225}
e40298d5 226
b668a735 227wxClientData* wxChoice::DoGetItemClientObject( int n ) const
e9576ca5 228{
b668a735 229 return (wxClientData *)DoGetItemClientData(n);
e9576ca5 230}
e40298d5 231
4c37f124 232wxInt32 wxChoice::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
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233{
234 wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
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235 int n = GetSelection();
236 // actually n should be made sure by the os to be a valid selection, but ...
237 if ( n > -1 )
238 {
239 event.SetInt( n );
240 event.SetString(GetStringSelection());
241 event.SetEventObject(this);
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242 if ( HasClientObjectData() )
243 event.SetClientObject( GetClientObject(n) );
244 else if ( HasClientUntypedData() )
245 event.SetClientData( GetClientData(n) );
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246 ProcessCommand(event);
247 }
4c37f124 248 return noErr ;
9453cf2b 249}
e40298d5 250
f2d990ad 251wxSize wxChoice::DoGetBestSize() const
b668a735 252{
637988a4 253 int lbWidth = GetCount() > 0 ? 20 : 100; // some defaults
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254 int lbHeight = 20;
255 int wLine;
256#if TARGET_CARBON
257 long metric ;
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258 GetThemeMetric(kThemeMetricPopupButtonHeight , &metric );
259 lbHeight = metric ;
f2d990ad 260#endif
e40298d5 261 {
facd6764 262 wxMacPortStateHelper st( UMAGetWindowPort( (WindowRef) MacGetTopLevelWindowRef() ) ) ;
fcb35beb 263 if ( m_font.Ok() )
e40298d5 264 {
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265 ::TextFont( m_font.MacGetFontNum() ) ;
266 ::TextSize( m_font.MacGetFontSize() ) ;
267 ::TextFace( m_font.MacGetFontStyle() ) ;
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268 }
269 else
270 {
271 ::TextFont( kFontIDMonaco ) ;
272 ::TextSize( 9 );
273 ::TextFace( 0 ) ;
274 }
275 // Find the widest line
276 for(int i = 0; i < GetCount(); i++) {
277 wxString str(GetString(i));
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278 #if wxUSE_UNICODE
279 Point bounds={0,0} ;
280 SInt16 baseline ;
a9412f8f 281 ::GetThemeTextDimensions( wxMacCFStringHolder( str , m_font.GetEncoding() ) ,
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282 kThemeCurrentPortFont,
283 kThemeStateActive,
284 false,
285 &bounds,
286 &baseline );
287 wLine = bounds.h ;
288 #else
939fba6c 289 wLine = ::TextWidth( str.c_str() , 0 , str.Length() ) ;
2c1a3312 290 #endif
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291 lbWidth = wxMax(lbWidth, wLine);
292 }
293 // Add room for the popup arrow
294 lbWidth += 2 * lbHeight ;
295 // And just a bit more
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296 int cx = ::TextWidth( "X" , 0 , 1 ) ;
297 lbWidth += cx ;
c69279ef 298
e40298d5 299 }
f2d990ad 300 return wxSize(lbWidth, lbHeight);
d76240bf 301}