| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: cocoa/listbox.mm |
| 3 | // Purpose: wxListBox |
| 4 | // Author: David Elliott |
| 5 | // Modified by: |
| 6 | // Created: 2003/03/18 |
| 7 | // Id: $Id$ |
| 8 | // Copyright: (c) 2003 David Elliott |
| 9 | // Licence: wxWidgets licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #if wxUSE_LISTBOX |
| 15 | |
| 16 | #ifndef WX_PRECOMP |
| 17 | #include "wx/log.h" |
| 18 | #include "wx/app.h" |
| 19 | #include "wx/listbox.h" |
| 20 | #endif //WX_PRECOMP |
| 21 | |
| 22 | #include "wx/cocoa/string.h" |
| 23 | #include "wx/cocoa/autorelease.h" |
| 24 | #include "wx/cocoa/NSTableDataSource.h" |
| 25 | |
| 26 | #import <Foundation/NSArray.h> |
| 27 | #import <Foundation/NSEnumerator.h> |
| 28 | #import <AppKit/NSTableView.h> |
| 29 | #import <AppKit/NSTableColumn.h> |
| 30 | |
| 31 | IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) |
| 32 | BEGIN_EVENT_TABLE(wxListBox, wxListBoxBase) |
| 33 | END_EVENT_TABLE() |
| 34 | WX_IMPLEMENT_COCOA_OWNER(wxListBox,NSTableView,NSControl,NSView) |
| 35 | |
| 36 | bool wxListBox::Create(wxWindow *parent, wxWindowID winid, |
| 37 | const wxPoint& pos, |
| 38 | const wxSize& size, |
| 39 | const wxArrayString& choices, |
| 40 | long style, |
| 41 | const wxValidator& validator, |
| 42 | const wxString& name) |
| 43 | { |
| 44 | wxCArrayString chs(choices); |
| 45 | |
| 46 | return Create(parent, winid, pos, size, chs.GetCount(), chs.GetStrings(), |
| 47 | style, validator, name); |
| 48 | } |
| 49 | |
| 50 | bool wxListBox::Create(wxWindow *parent, wxWindowID winid, |
| 51 | const wxPoint& pos, |
| 52 | const wxSize& size, |
| 53 | int n, const wxString choices[], |
| 54 | long style, |
| 55 | const wxValidator& validator, |
| 56 | const wxString& name) |
| 57 | { |
| 58 | /* |
| 59 | wxLB_SINGLE |
| 60 | Single-selection list. |
| 61 | |
| 62 | wxLB_MULTIPLE |
| 63 | Multiple-selection list: the user can toggle multiple items on and off. |
| 64 | |
| 65 | wxLB_EXTENDED |
| 66 | Extended-selection list: the user can select multiple items using the SHIFT key and the mouse or special key combinations. |
| 67 | |
| 68 | wxLB_HSCROLL |
| 69 | Create horizontal scrollbar if contents are too wide (Windows only). |
| 70 | |
| 71 | wxLB_ALWAYS_SB |
| 72 | Always show a vertical scrollbar. |
| 73 | |
| 74 | wxLB_NEEDED_SB |
| 75 | Only create a vertical scrollbar if needed. |
| 76 | |
| 77 | wxLB_SORT |
| 78 | The listbox contents are sorted in alphabetical order. |
| 79 | */ |
| 80 | wxAutoNSAutoreleasePool pool; |
| 81 | if(!CreateControl(parent,winid,pos,size,style,validator,name)) |
| 82 | return false; |
| 83 | |
| 84 | // Provide the data |
| 85 | m_cocoaItems = [[NSMutableArray arrayWithCapacity:n] retain]; |
| 86 | for(int i=0; i < n; i++) |
| 87 | { |
| 88 | [m_cocoaItems addObject: wxNSStringWithWxString(choices[i])]; |
| 89 | } |
| 90 | // Remove everything |
| 91 | m_itemClientData.Clear(); |
| 92 | // Initialize n elements to NULL |
| 93 | m_itemClientData.SetCount(n,NULL); |
| 94 | |
| 95 | SetNSTableView([[NSTableView alloc] initWithFrame: MakeDefaultNSRect(size)]); |
| 96 | [m_cocoaNSView release]; |
| 97 | [GetNSTableView() setHeaderView: nil]; |
| 98 | |
| 99 | // Set up the data source |
| 100 | m_cocoaDataSource = [[wxCocoaNSTableDataSource alloc] init]; |
| 101 | [GetNSTableView() setDataSource:m_cocoaDataSource]; |
| 102 | |
| 103 | // Add the single column |
| 104 | NSTableColumn *tableColumn = [[NSTableColumn alloc] initWithIdentifier:nil]; |
| 105 | [GetNSTableView() addTableColumn: tableColumn]; |
| 106 | [tableColumn release]; |
| 107 | |
| 108 | [GetNSTableView() sizeToFit]; |
| 109 | // Finish |
| 110 | if(m_parent) |
| 111 | m_parent->CocoaAddChild(this); |
| 112 | // NSTableView does WEIRD things with sizes. Wrapping it in an |
| 113 | // NSScrollView seems to be the only reasonable solution. |
| 114 | CocoaCreateNSScrollView(); |
| 115 | SetInitialFrameRect(pos,size); |
| 116 | |
| 117 | // Set up extended/multiple selection flags |
| 118 | if ((style & wxLB_EXTENDED) || (style & wxLB_MULTIPLE)) |
| 119 | //diff is that mult requires shift down for multi selection |
| 120 | [GetNSTableView() setAllowsMultipleSelection:true]; |
| 121 | |
| 122 | [GetNSTableView() setAllowsColumnSelection:false]; |
| 123 | |
| 124 | return true; |
| 125 | } |
| 126 | |
| 127 | wxListBox::~wxListBox() |
| 128 | { |
| 129 | [GetNSTableView() setDataSource: nil]; |
| 130 | [m_cocoaDataSource release]; |
| 131 | [m_cocoaItems release]; |
| 132 | DisassociateNSTableView(GetNSTableView()); |
| 133 | } |
| 134 | |
| 135 | int wxListBox::CocoaDataSource_numberOfRows() |
| 136 | { |
| 137 | return [m_cocoaItems count]; |
| 138 | } |
| 139 | |
| 140 | struct objc_object* wxListBox::CocoaDataSource_objectForTableColumn( |
| 141 | WX_NSTableColumn tableColumn, int rowIndex) |
| 142 | { |
| 143 | return [m_cocoaItems objectAtIndex:rowIndex]; |
| 144 | } |
| 145 | |
| 146 | // pure virtuals from wxListBoxBase |
| 147 | bool wxListBox::IsSelected(int n) const |
| 148 | { |
| 149 | return [GetNSTableView() isRowSelected: n]; |
| 150 | } |
| 151 | |
| 152 | void wxListBox::DoSetSelection(int n, bool select) |
| 153 | { |
| 154 | if(select) |
| 155 | [GetNSTableView() selectRow: n byExtendingSelection:NO]; |
| 156 | else |
| 157 | [GetNSTableView() deselectRow: n]; |
| 158 | } |
| 159 | |
| 160 | int wxListBox::GetSelections(wxArrayInt& aSelections) const |
| 161 | { |
| 162 | aSelections.Clear(); |
| 163 | NSEnumerator *enumerator = [GetNSTableView() selectedRowEnumerator]; |
| 164 | while(NSNumber *num = [enumerator nextObject]) |
| 165 | { |
| 166 | aSelections.Add([num intValue]); |
| 167 | } |
| 168 | return [GetNSTableView() numberOfSelectedRows]; |
| 169 | } |
| 170 | |
| 171 | void wxListBox::DoInsertItems(const wxArrayString& items, int pos) |
| 172 | { |
| 173 | wxAutoNSAutoreleasePool pool; |
| 174 | |
| 175 | for(int i=int(items.GetCount())-1; i >= 0; i--) |
| 176 | { |
| 177 | [m_cocoaItems insertObject: wxNSStringWithWxString(items[i]) |
| 178 | atIndex: pos]; |
| 179 | m_itemClientData.Insert(NULL,pos); |
| 180 | } |
| 181 | [GetNSTableView() reloadData]; |
| 182 | } |
| 183 | |
| 184 | void wxListBox::DoSetItems(const wxArrayString& items, void **clientData) |
| 185 | { |
| 186 | wxAutoNSAutoreleasePool pool; |
| 187 | |
| 188 | // Remove everything |
| 189 | [m_cocoaItems removeAllObjects]; |
| 190 | m_itemClientData.Clear(); |
| 191 | // Provide the data |
| 192 | for(size_t i=0; i < items.GetCount(); i++) |
| 193 | { |
| 194 | [m_cocoaItems addObject: wxNSStringWithWxString(items[i])]; |
| 195 | m_itemClientData.Add(clientData[i]); |
| 196 | } |
| 197 | [GetNSTableView() reloadData]; |
| 198 | } |
| 199 | |
| 200 | void wxListBox::DoSetFirstItem(int n) |
| 201 | { |
| 202 | [m_cocoaItems exchangeObjectAtIndex:0 withObjectAtIndex:n]; |
| 203 | void* pOld = m_itemClientData[n]; |
| 204 | m_itemClientData[n] = m_itemClientData[0]; |
| 205 | m_itemClientData[0] = pOld; |
| 206 | [GetNSTableView() reloadData]; |
| 207 | } |
| 208 | |
| 209 | |
| 210 | // pure virtuals from wxItemContainer |
| 211 | // deleting items |
| 212 | void wxListBox::Clear() |
| 213 | { |
| 214 | [m_cocoaItems removeAllObjects]; |
| 215 | m_itemClientData.Clear(); |
| 216 | [GetNSTableView() reloadData]; |
| 217 | } |
| 218 | |
| 219 | void wxListBox::Delete(int n) |
| 220 | { |
| 221 | [m_cocoaItems removeObjectAtIndex:n]; |
| 222 | m_itemClientData.RemoveAt(n); |
| 223 | [GetNSTableView() reloadData]; |
| 224 | } |
| 225 | |
| 226 | // accessing strings |
| 227 | int wxListBox::GetCount() const |
| 228 | { |
| 229 | return [m_cocoaItems count]; |
| 230 | } |
| 231 | |
| 232 | wxString wxListBox::GetString(int n) const |
| 233 | { |
| 234 | return wxStringWithNSString([m_cocoaItems objectAtIndex:n]); |
| 235 | } |
| 236 | |
| 237 | void wxListBox::SetString(int n, const wxString& s) |
| 238 | { |
| 239 | wxAutoNSAutoreleasePool pool; |
| 240 | [m_cocoaItems removeObjectAtIndex:n]; |
| 241 | [m_cocoaItems insertObject: wxNSStringWithWxString(s) atIndex: n]; |
| 242 | [GetNSTableView() reloadData]; |
| 243 | } |
| 244 | |
| 245 | int wxListBox::FindString(const wxString& s, bool bCase) const |
| 246 | { |
| 247 | // FIXME: use wxItemContainerImmutable::FindString for bCase parameter |
| 248 | wxAutoNSAutoreleasePool pool; |
| 249 | return [m_cocoaItems indexOfObject:wxNSStringWithWxString(s)]; |
| 250 | } |
| 251 | |
| 252 | // selection |
| 253 | int wxListBox::GetSelection() const |
| 254 | { |
| 255 | return [GetNSTableView() selectedRow]; |
| 256 | } |
| 257 | |
| 258 | int wxListBox::DoAppend(const wxString& item) |
| 259 | { |
| 260 | wxAutoNSAutoreleasePool pool; |
| 261 | [m_cocoaItems addObject:wxNSStringWithWxString(item)]; |
| 262 | [GetNSTableView() reloadData]; |
| 263 | m_itemClientData.Add(NULL); |
| 264 | return [m_cocoaItems count]; |
| 265 | } |
| 266 | |
| 267 | void wxListBox::DoSetItemClientData(int n, void* clientData) |
| 268 | { |
| 269 | m_itemClientData[n] = clientData; |
| 270 | } |
| 271 | |
| 272 | void* wxListBox::DoGetItemClientData(int n) const |
| 273 | { |
| 274 | return m_itemClientData[n]; |
| 275 | } |
| 276 | |
| 277 | void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData) |
| 278 | { |
| 279 | m_itemClientData[n] = (void*) clientData; |
| 280 | } |
| 281 | |
| 282 | wxClientData* wxListBox::DoGetItemClientObject(int n) const |
| 283 | { |
| 284 | return (wxClientData*) m_itemClientData[n]; |
| 285 | } |
| 286 | |
| 287 | #endif |