src/msw/wince/checklst.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/wince/checklst.cpp
   3 // Purpose:     implementation of wxCheckListBox class
   4 // Author:      Wlodzimierz ABX Skiba
   5 // Modified by:
   6 // Created:     30.10.2005
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Wlodzimierz Skiba
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24 #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_CHECKLISTBOX
  28
  29 #ifndef WX_PRECOMP
  30 #endif
  31
  32 #include "wx/checklst.h"
  33
  34 // include <commctrl.h> "properly"
  35 #include "wx/msw/wrapcctl.h"
  36
  37 // ============================================================================
  38 // implementation
  39 // ============================================================================
  40
  41 IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxControl)
  42
  43 // ----------------------------------------------------------------------------
  44 // implementation of wxCheckListBox class
  45 // ----------------------------------------------------------------------------
  46
  47 // define event table
  48 // ------------------
  49 BEGIN_EVENT_TABLE(wxCheckListBox, wxControl)
  50     EVT_SIZE(wxCheckListBox::OnSize)
  51 END_EVENT_TABLE()
  52
  53 // control creation
  54 // ----------------
  55
  56 // def ctor: use Create() to really create the control
  57 wxCheckListBox::wxCheckListBox()
  58 {
  59 }
  60
  61 // ctor which creates the associated control
  62 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  63                                const wxPoint& pos, const wxSize& size,
  64                                int nStrings, const wxString choices[],
  65                                long style, const wxValidator& val,
  66                                const wxString& name)
  67 {
  68     Create(parent, id, pos, size, nStrings, choices, style, val, name);
  69 }
  70
  71 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  72                                const wxPoint& pos, const wxSize& size,
  73                                const wxArrayString& choices,
  74                                long style, const wxValidator& val,
  75                                const wxString& name)
  76 {
  77     Create(parent, id, pos, size, choices, style, val, name);
  78 }
  79
  80 wxCheckListBox::~wxCheckListBox()
  81 {
  82     m_itemsClientData.Clear();
  83 }
  84
  85 bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
  86                             const wxPoint& pos, const wxSize& size,
  87                             int n, const wxString choices[],
  88                             long style,
  89                             const wxValidator& validator, const wxString& name)
  90 {
  91     // initialize base class fields
  92     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
  93         return false;
  94
  95     // create the native control
  96     if ( !MSWCreateControl(WC_LISTVIEW, wxEmptyString, pos, size) )
  97     {
  98         // control creation failed
  99         return false;
 100     }
 101
 102     ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, 0,
 103                   LVS_EX_CHECKBOXES | LVS_EX_FULLROWSELECT );
 104
 105     // insert single column with checkboxes and labels
 106     LV_COLUMN col;
 107     wxZeroMemory(col);
 108     ListView_InsertColumn(GetHwnd(), 0, &col );
 109
 110     ListView_SetItemCount( GetHwnd(), n );
 111
 112     // initialize the contents
 113     for ( int i = 0; i < n; i++ )
 114     {
 115         Append(choices[i]);
 116     }
 117
 118     m_itemsClientData.SetCount(n);
 119
 120     // now we can compute our best size correctly, so do it if necessary
 121     SetBestSize(size);
 122
 123     return true;
 124 }
 125
 126 bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
 127                             const wxPoint& pos, const wxSize& size,
 128                             const wxArrayString& choices,
 129                             long style,
 130                             const wxValidator& validator, const wxString& name)
 131 {
 132     wxCArrayString chs(choices);
 133     return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
 134                   style, validator, name);
 135 }
 136
 137 WXDWORD wxCheckListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 138 {
 139     WXDWORD wstyle = wxControl::MSWGetStyle(style, exstyle);
 140
 141     wstyle |= LVS_REPORT | LVS_NOCOLUMNHEADER | LVS_NOSORTHEADER;
 142
 143     return wstyle;
 144 }
 145
 146 void wxCheckListBox::OnSize(wxSizeEvent& event)
 147 {
 148     // set width of the column we use to the width of list client area
 149     event.Skip();
 150     int w = GetClientSize().x;
 151     ListView_SetColumnWidth( GetHwnd(), 0, w );
 152 }
 153
 154 // misc overloaded methods
 155 // -----------------------
 156
 157 void wxCheckListBox::Delete(int n)
 158 {
 159     wxCHECK_RET( n >= 0 && n < GetCount(),
 160                  _T("invalid index in wxCheckListBox::Delete") );
 161
 162     if ( !ListView_DeleteItem(GetHwnd(), n) )
 163     {
 164         wxLogLastError(_T("ListView_DeleteItem"));
 165     }
 166     m_itemsClientData.RemoveAt(n);
 167 }
 168
 169 // check items
 170 // -----------
 171
 172 bool wxCheckListBox::IsChecked(size_t uiIndex) const
 173 {
 174     wxCHECK_MSG( uiIndex < (size_t)GetCount(), false,
 175                  _T("invalid index in wxCheckListBox::IsChecked") );
 176
 177     return (ListView_GetCheckState(((HWND)GetHWND()), uiIndex) != 0);
 178 }
 179
 180 void wxCheckListBox::Check(size_t uiIndex, bool bCheck)
 181 {
 182     wxCHECK_RET( uiIndex < (size_t)GetCount(),
 183                  _T("invalid index in wxCheckListBox::Check") );
 184
 185     ListView_SetCheckState(((HWND)GetHWND()), uiIndex, bCheck)
 186 }
 187
 188 // interface derived from wxListBox and lower classes
 189 // --------------------------------------------------
 190
 191 void wxCheckListBox::Clear()
 192 {
 193     int n = GetCount();
 194
 195     while ( n > 0 )
 196     {
 197         n--;
 198         Delete(n);
 199     }
 200
 201     m_itemsClientData.Clear();
 202
 203     wxCHECK_RET( n == GetCount(),
 204                  _T("broken wxCheckListBox::Clear()") );
 205 }
 206
 207 int wxCheckListBox::GetCount() const
 208 {
 209     return ListView_GetItemCount( (HWND)GetHWND() );
 210 }
 211
 212 int wxCheckListBox::GetSelection() const
 213 {
 214     return wxNOT_FOUND;
 215 }
 216
 217 int wxCheckListBox::GetSelections(wxArrayInt& aSelections) const
 218 {
 219     int n = GetCount();
 220     while ( n > 0 )
 221     {
 222         n--;
 223         if(IsChecked(n)) aSelections.Insert(n,0);
 224     }
 225
 226     return aSelections.GetCount();
 227 }
 228
 229 wxString wxCheckListBox::GetString(int n) const
 230 {
 231     const int bufSize = 513;
 232     wxChar buf[bufSize];
 233     ListView_GetItemText( (HWND)GetHWND(), n, 0, buf, bufSize - 1 );
 234     buf[bufSize-1] = _T('\0');
 235     wxString str(buf);
 236     return str;
 237 }
 238
 239 bool wxCheckListBox::IsSelected(int n) const
 240 {
 241     return IsChecked(n);
 242 }
 243
 244 void wxCheckListBox::SetString(int n, const wxString& s)
 245 {
 246     wxCHECK_RET( n < GetCount(),
 247                  _T("invalid index in wxCheckListBox::SetString") );
 248     wxChar *buf = new wxChar[s.length()+1];
 249     wxStrcpy(buf, s.c_str());
 250     ListView_SetItemText( (HWND)GetHWND(), n, 0, buf );
 251     delete [] buf;
 252 }
 253
 254 int wxCheckListBox::DoAppend(const wxString& item)
 255 {
 256     int n = GetCount();
 257     LVITEM newItem;
 258     wxZeroMemory(newItem);
 259     newItem.iItem = n;
 260     int ret = ListView_InsertItem( (HWND)GetHWND(), & newItem );
 261     wxCHECK_MSG( n == ret , -1, _T("Item not added") );
 262     SetString( ret , item );
 263     m_itemsClientData.Insert(NULL, ret);
 264     return ret;
 265 }
 266
 267 void* wxCheckListBox::DoGetItemClientData(int n) const
 268 {
 269     return m_itemsClientData.Item(n);
 270 }
 271
 272 wxClientData* wxCheckListBox::DoGetItemClientObject(int n) const
 273 {
 274     return (wxClientData *)DoGetItemClientData(n);
 275 }
 276
 277 void wxCheckListBox::DoInsertItems(const wxArrayString& items, int pos)
 278 {
 279     for( size_t i = 0; i < items.GetCount(); i++ )
 280     {
 281         Insert(items[i],pos+i);
 282     }
 283 }
 284
 285 void wxCheckListBox::DoSetFirstItem(int n)
 286 {
 287     int pos = ListView_GetTopIndex( (HWND)GetHWND() );
 288     if(pos == n) return;
 289     POINT ppt;
 290     BOOL ret = ListView_GetItemPosition( (HWND)GetHWND(), n, &ppt );
 291     wxCHECK_RET( ret == TRUE, _T("Broken DoSetFirstItem") );
 292     ListView_Scroll( (HWND)GetHWND(), 0, 0 );
 293     ListView_Scroll( (HWND)GetHWND(), 0, ppt.y );
 294 }
 295
 296 void wxCheckListBox::DoSetItemClientData(int n, void* clientData)
 297 {
 298     m_itemsClientData.Item(n) = clientData;
 299 }
 300
 301 void wxCheckListBox::DoSetItemClientObject(int n, wxClientData* clientData)
 302 {
 303     DoSetItemClientData(n, clientData);
 304 }
 305
 306 void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData)
 307 {
 308     ListView_SetItemCount( GetHwnd(), GetCount() + items.GetCount() );
 309
 310     for( size_t i = 0; i < items.GetCount(); i++ )
 311     {
 312         int pos = Append(items[i]);
 313         if( pos >= 0 && clientData )
 314             DoSetItemClientData(pos, clientData[i]);
 315     }
 316 }
 317
 318 void wxCheckListBox::DoSetSelection(int n, bool select)
 319 {
 320     Check(n,select);
 321 }
 322
 323 #endif