]>
Commit | Line | Data |
---|---|---|
0e320a79 | 1 | /////////////////////////////////////////////////////////////////////////////// |
11e62fe6 | 2 | // Name: src/os2/listbox.cpp |
0e320a79 | 3 | // Purpose: wxListBox |
fb9010ed | 4 | // Author: David Webster |
0e320a79 | 5 | // Modified by: |
fb9010ed | 6 | // Created: 10/09/99 |
0e320a79 | 7 | // RCS-ID: $Id$ |
fb9010ed | 8 | // Copyright: (c) David Webster |
65571936 | 9 | // Licence: wxWindows licence |
0e320a79 DW |
10 | /////////////////////////////////////////////////////////////////////////////// |
11 | ||
fb9010ed DW |
12 | // For compilers that support precompilation, includes "wx.h". |
13 | #include "wx/wxprec.h" | |
14 | ||
8228b893 WS |
15 | #if wxUSE_LISTBOX |
16 | ||
e4db172a WS |
17 | #include "wx/listbox.h" |
18 | ||
fb9010ed | 19 | #ifndef WX_PRECOMP |
ad9835c9 | 20 | #include "wx/dynarray.h" |
ad9835c9 WS |
21 | #include "wx/settings.h" |
22 | #include "wx/brush.h" | |
23 | #include "wx/font.h" | |
24 | #include "wx/dc.h" | |
25 | #include "wx/dcscreen.h" | |
26 | #include "wx/utils.h" | |
27 | #include "wx/scrolwin.h" | |
e4db172a | 28 | #include "wx/log.h" |
cdccdfab | 29 | #include "wx/window.h" |
fb9010ed DW |
30 | #endif |
31 | ||
38400bb4 | 32 | #include "wx/os2/dcclient.h" |
ad9835c9 WS |
33 | #include "wx/os2/private.h" |
34 | ||
fb9010ed DW |
35 | #define INCL_M |
36 | #include <os2.h> | |
37 | ||
fb9010ed DW |
38 | #if wxUSE_OWNER_DRAWN |
39 | #include "wx/ownerdrw.h" | |
40 | #endif | |
41 | ||
b1294ada | 42 | IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems) |
0e320a79 | 43 | |
fb9010ed DW |
44 | // ============================================================================ |
45 | // list box item declaration and implementation | |
46 | // ============================================================================ | |
47 | ||
48 | #if wxUSE_OWNER_DRAWN | |
49 | ||
50 | class wxListBoxItem : public wxOwnerDrawn | |
51 | { | |
52 | public: | |
0fba44b4 | 53 | wxListBoxItem(const wxString& rsStr = wxEmptyString); |
fb9010ed DW |
54 | }; |
55 | ||
49dc8caa DW |
56 | wxListBoxItem::wxListBoxItem( |
57 | const wxString& rsStr | |
58 | ) | |
59 | : wxOwnerDrawn( rsStr | |
ec157c8f | 60 | ,false |
49dc8caa | 61 | ) |
fb9010ed | 62 | { |
49dc8caa DW |
63 | // |
64 | // No bitmaps/checkmarks | |
65 | // | |
fb9010ed | 66 | SetMarginWidth(0); |
49dc8caa | 67 | } // end of wxListBoxItem::wxListBoxItem |
fb9010ed | 68 | |
6670f564 | 69 | wxOwnerDrawn* wxListBox::CreateItem( size_t WXUNUSED(n) ) |
fb9010ed DW |
70 | { |
71 | return new wxListBoxItem(); | |
49dc8caa | 72 | } // end of wxListBox::CreateItem |
fb9010ed DW |
73 | |
74 | #endif //USE_OWNER_DRAWN | |
75 | ||
0e320a79 DW |
76 | // ============================================================================ |
77 | // list box control implementation | |
78 | // ============================================================================ | |
79 | ||
80 | // Listbox item | |
81 | wxListBox::wxListBox() | |
82 | { | |
49dc8caa DW |
83 | m_nNumItems = 0; |
84 | m_nSelected = 0; | |
85 | } // end of wxListBox::wxListBox | |
86 | ||
584ad2a3 MB |
87 | bool wxListBox::Create( |
88 | wxWindow* pParent | |
89 | , wxWindowID vId | |
90 | , const wxPoint& rPos | |
91 | , const wxSize& rSize | |
92 | , const wxArrayString& asChoices | |
93 | , long lStyle | |
94 | , const wxValidator& rValidator | |
95 | , const wxString& rsName | |
96 | ) | |
97 | { | |
98 | wxCArrayString chs(asChoices); | |
99 | ||
100 | return Create(pParent, vId, rPos, rSize, chs.GetCount(), chs.GetStrings(), | |
101 | lStyle, rValidator, rsName); | |
102 | } | |
103 | ||
8228b893 WS |
104 | bool wxListBox::Create( wxWindow* pParent, |
105 | wxWindowID vId, | |
106 | const wxPoint& rPos, | |
107 | const wxSize& rSize, | |
108 | int n, | |
109 | const wxString asChoices[], | |
110 | long lStyle, | |
111 | const wxValidator& rValidator, | |
112 | const wxString& rsName ) | |
0e320a79 | 113 | { |
49dc8caa DW |
114 | m_nNumItems = 0; |
115 | m_hWnd = 0; | |
116 | m_nSelected = 0; | |
0e320a79 | 117 | |
49dc8caa | 118 | SetName(rsName); |
5d4b632b | 119 | #if wxUSE_VALIDATORS |
49dc8caa | 120 | SetValidator(rValidator); |
5d4b632b | 121 | #endif |
0e320a79 | 122 | |
49dc8caa DW |
123 | if (pParent) |
124 | pParent->AddChild(this); | |
125 | ||
126 | wxSystemSettings vSettings; | |
127 | ||
ec157c8f | 128 | SetBackgroundColour(vSettings.GetColour(wxSYS_COLOUR_WINDOW)); |
49dc8caa | 129 | SetForegroundColour(pParent->GetForegroundColour()); |
0e320a79 | 130 | |
49dc8caa | 131 | m_windowId = (vId == -1) ? (int)NewControlId() : vId; |
0e320a79 | 132 | |
49dc8caa DW |
133 | int nX = rPos.x; |
134 | int nY = rPos.y; | |
135 | int nWidth = rSize.x; | |
136 | int nHeight = rSize.y; | |
0e320a79 | 137 | |
49dc8caa | 138 | m_windowStyle = lStyle; |
fb9010ed | 139 | |
49dc8caa DW |
140 | lStyle = WS_VISIBLE; |
141 | ||
142 | if (m_windowStyle & wxCLIP_SIBLINGS ) | |
143 | lStyle |= WS_CLIPSIBLINGS; | |
fb9010ed | 144 | if (m_windowStyle & wxLB_MULTIPLE) |
49dc8caa | 145 | lStyle |= LS_MULTIPLESEL; |
fb9010ed | 146 | else if (m_windowStyle & wxLB_EXTENDED) |
49dc8caa | 147 | lStyle |= LS_EXTENDEDSEL; |
fb9010ed | 148 | if (m_windowStyle & wxLB_HSCROLL) |
49dc8caa DW |
149 | lStyle |= LS_HORZSCROLL; |
150 | if (m_windowStyle & wxLB_OWNERDRAW) | |
151 | lStyle |= LS_OWNERDRAW; | |
fb9010ed | 152 | |
49dc8caa | 153 | // |
fb9010ed DW |
154 | // Without this style, you get unexpected heights, so e.g. constraint layout |
155 | // doesn't work properly | |
49dc8caa DW |
156 | // |
157 | lStyle |= LS_NOADJUSTPOS; | |
158 | ||
159 | m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent) // Parent | |
160 | ,WC_LISTBOX // Default Listbox class | |
161 | ,"LISTBOX" // Control's name | |
162 | ,lStyle // Initial Style | |
163 | ,0, 0, 0, 0 // Position and size | |
164 | ,GetWinHwnd(pParent) // Owner | |
165 | ,HWND_TOP // Z-Order | |
166 | ,(HMENU)m_windowId // Id | |
167 | ,NULL // Control Data | |
168 | ,NULL // Presentation Parameters | |
169 | ); | |
170 | if (m_hWnd == 0) | |
fb9010ed | 171 | { |
ec157c8f | 172 | return false; |
fb9010ed DW |
173 | } |
174 | ||
49dc8caa DW |
175 | // |
176 | // Subclass again for purposes of dialog editing mode | |
177 | // | |
fb9010ed DW |
178 | SubclassWin(m_hWnd); |
179 | ||
49dc8caa | 180 | LONG lUi; |
0e320a79 | 181 | |
49dc8caa DW |
182 | for (lUi = 0; lUi < (LONG)n; lUi++) |
183 | { | |
184 | Append(asChoices[lUi]); | |
185 | } | |
b3260bce DW |
186 | wxFont* pTextFont = new wxFont( 10 |
187 | ,wxMODERN | |
188 | ,wxNORMAL | |
189 | ,wxNORMAL | |
190 | ); | |
191 | SetFont(*pTextFont); | |
e58dab20 | 192 | |
5d44b24e | 193 | // |
ad4e3f7b | 194 | // Set OS/2 system colours for Listbox items and highlighting |
5d44b24e DW |
195 | // |
196 | wxColour vColour; | |
197 | ||
ad4e3f7b | 198 | vColour = wxSystemSettingsNative::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); |
5d44b24e DW |
199 | |
200 | LONG lColor = (LONG)vColour.GetPixel(); | |
201 | ||
202 | ::WinSetPresParam( m_hWnd | |
203 | ,PP_HILITEFOREGROUNDCOLOR | |
204 | ,sizeof(LONG) | |
205 | ,(PVOID)&lColor | |
206 | ); | |
ad4e3f7b | 207 | vColour = wxSystemSettingsNative::GetColour(wxSYS_COLOUR_HIGHLIGHT); |
5d44b24e DW |
208 | lColor = (LONG)vColour.GetPixel(); |
209 | ::WinSetPresParam( m_hWnd | |
210 | ,PP_HILITEBACKGROUNDCOLOR | |
211 | ,sizeof(LONG) | |
212 | ,(PVOID)&lColor | |
213 | ); | |
214 | ||
ad4e3f7b SN |
215 | SetXComp(0); |
216 | SetYComp(0); | |
49dc8caa DW |
217 | SetSize( nX |
218 | ,nY | |
219 | ,nWidth | |
220 | ,nHeight | |
221 | ); | |
b3260bce | 222 | delete pTextFont; |
ec157c8f | 223 | return true; |
49dc8caa | 224 | } // end of wxListBox::Create |
0e320a79 DW |
225 | |
226 | wxListBox::~wxListBox() | |
227 | { | |
fb9010ed | 228 | #if wxUSE_OWNER_DRAWN |
8228b893 | 229 | size_t lUiCount = m_aItems.Count(); |
49dc8caa DW |
230 | |
231 | while (lUiCount-- != 0) | |
232 | { | |
233 | delete m_aItems[lUiCount]; | |
fb9010ed DW |
234 | } |
235 | #endif // wxUSE_OWNER_DRAWN | |
49dc8caa | 236 | } // end of wxListBox::~wxListBox |
fb9010ed DW |
237 | |
238 | void wxListBox::SetupColours() | |
239 | { | |
a756f210 | 240 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); |
fb9010ed | 241 | SetForegroundColour(GetParent()->GetForegroundColour()); |
49dc8caa | 242 | } // end of wxListBox::SetupColours |
0e320a79 | 243 | |
dcd307ee DW |
244 | // ---------------------------------------------------------------------------- |
245 | // implementation of wxListBoxBase methods | |
246 | // ---------------------------------------------------------------------------- | |
247 | ||
8228b893 | 248 | void wxListBox::DoSetFirstItem(int N) |
0e320a79 | 249 | { |
8228b893 | 250 | wxCHECK_RET( IsValid(N), |
fb9010ed DW |
251 | wxT("invalid index in wxListBox::SetFirstItem") ); |
252 | ||
49dc8caa DW |
253 | ::WinSendMsg(GetHwnd(), LM_SETTOPINDEX, MPFROMLONG(N), (MPARAM)0); |
254 | } // end of wxListBox::DoSetFirstItem | |
0e320a79 | 255 | |
a236aa20 | 256 | void wxListBox::DoDeleteOneItem(unsigned int n) |
0e320a79 | 257 | { |
aa61d352 | 258 | wxCHECK_RET( IsValid(n), |
fb9010ed DW |
259 | wxT("invalid index in wxListBox::Delete") ); |
260 | ||
dcd307ee | 261 | #if wxUSE_OWNER_DRAWN |
aa61d352 VZ |
262 | delete m_aItems[n]; |
263 | m_aItems.RemoveAt(n); | |
dcd307ee DW |
264 | #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN |
265 | ||
aa61d352 | 266 | ::WinSendMsg(GetHwnd(), LM_DELETEITEM, (MPARAM)n, (MPARAM)0); |
49dc8caa DW |
267 | m_nNumItems--; |
268 | } // end of wxListBox::DoSetFirstItem | |
0e320a79 | 269 | |
a236aa20 VZ |
270 | int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items, |
271 | unsigned int pos, | |
272 | void **clientData, | |
273 | wxClientDataType type) | |
0e320a79 | 274 | { |
8228b893 WS |
275 | long lIndex = 0; |
276 | LONG lIndexType = 0; | |
a236aa20 | 277 | bool incrementPos = false; |
49dc8caa | 278 | |
a236aa20 | 279 | if (IsSorted()) |
9923c37d | 280 | lIndexType = LIT_SORTASCENDING; |
a236aa20 | 281 | else if (pos == GetCount()) |
9923c37d | 282 | lIndexType = LIT_END; |
a236aa20 | 283 | else |
49dc8caa | 284 | { |
a236aa20 VZ |
285 | lIndexType = (LONG)pos; |
286 | incrementPos = true; | |
fb9010ed | 287 | } |
0e320a79 | 288 | |
a236aa20 | 289 | int n = wxNOT_FOUND; |
0e320a79 | 290 | |
a236aa20 VZ |
291 | unsigned int count = items.GetCount(); |
292 | for (unsigned int i = 0; i < count; i++) | |
fb9010ed | 293 | { |
a236aa20 VZ |
294 | n = (int)::WinSendMsg(GetHwnd(), LM_INSERTITEM, (MPARAM)lIndexType, (MPARAM)items[i].wx_str()); |
295 | if (n < 0) | |
dcd307ee | 296 | { |
a236aa20 VZ |
297 | wxLogLastError(_T("WinSendMsg(LM_INSERTITEM)")); |
298 | n = wxNOT_FOUND; | |
299 | break; | |
dcd307ee | 300 | } |
a236aa20 | 301 | ++m_nNumItems; |
fb9010ed DW |
302 | |
303 | #if wxUSE_OWNER_DRAWN | |
a236aa20 | 304 | if (HasFlag(wxLB_OWNERDRAW)) |
49dc8caa | 305 | { |
a236aa20 VZ |
306 | wxOwnerDrawn* pNewItem = CreateItem(n); // dummy argument |
307 | wxScreenDC vDc; // FIXME: is it really needed here? | |
308 | ||
309 | pNewItem->SetName(items[i]); | |
310 | m_aItems.Insert(pNewItem, n); | |
311 | ::WinSendMsg(GetHwnd(), LM_SETITEMHANDLE, (MPARAM)n, MPFROMP(pNewItem)); | |
312 | pNewItem->SetFont(GetFont()); | |
fb9010ed | 313 | } |
a236aa20 VZ |
314 | #endif |
315 | AssignNewItemClientData(n, clientData, i, type); | |
316 | ||
317 | if (incrementPos) | |
318 | ++lIndexType; | |
fb9010ed | 319 | } |
0e320a79 | 320 | |
a236aa20 VZ |
321 | return n; |
322 | } // end of wxListBox::DoInsertAppendItemsWithData | |
323 | ||
324 | void wxListBox::DoClear() | |
0e320a79 | 325 | { |
fb9010ed | 326 | #if wxUSE_OWNER_DRAWN |
aa61d352 | 327 | unsigned int lUiCount = m_aItems.Count(); |
49dc8caa DW |
328 | |
329 | while (lUiCount-- != 0) | |
330 | { | |
331 | delete m_aItems[lUiCount]; | |
fb9010ed DW |
332 | } |
333 | ||
334 | m_aItems.Clear(); | |
a236aa20 | 335 | #endif // wxUSE_OWNER_DRAWN |
49dc8caa | 336 | ::WinSendMsg(GetHwnd(), LM_DELETEALL, (MPARAM)0, (MPARAM)0); |
dcd307ee | 337 | |
49dc8caa DW |
338 | m_nNumItems = 0; |
339 | } // end of wxListBox::Clear | |
fb9010ed | 340 | |
8228b893 | 341 | void wxListBox::DoSetSelection( int N, bool bSelect) |
0e320a79 | 342 | { |
8228b893 | 343 | wxCHECK_RET( IsValid(N), |
fb9010ed | 344 | wxT("invalid index in wxListBox::SetSelection") ); |
49dc8caa DW |
345 | ::WinSendMsg( GetHwnd() |
346 | ,LM_SELECTITEM | |
347 | ,MPFROMLONG(N) | |
348 | ,(MPARAM)bSelect | |
349 | ); | |
1de4baa3 DW |
350 | if(m_windowStyle & wxLB_OWNERDRAW) |
351 | Refresh(); | |
49dc8caa DW |
352 | } // end of wxListBox::SetSelection |
353 | ||
8228b893 | 354 | bool wxListBox::IsSelected( int N ) const |
49dc8caa | 355 | { |
8228b893 | 356 | wxCHECK_MSG( IsValid(N), false, |
fb9010ed DW |
357 | wxT("invalid index in wxListBox::Selected") ); |
358 | ||
49dc8caa | 359 | LONG lItem; |
0e320a79 | 360 | |
70a2c656 DW |
361 | if (GetWindowStyleFlag() & wxLB_EXTENDED) |
362 | { | |
363 | if (N == 0) | |
364 | lItem = LONGFROMMR(::WinSendMsg(GetHwnd(), LM_QUERYSELECTION, (MPARAM)LIT_FIRST, (MPARAM)0)); | |
365 | else | |
366 | lItem = LONGFROMMR(::WinSendMsg(GetHwnd(), LM_QUERYSELECTION, (MPARAM)(N - 1), (MPARAM)0)); | |
367 | } | |
368 | else | |
369 | { | |
370 | lItem = LONGFROMMR(::WinSendMsg(GetHwnd(), LM_QUERYSELECTION, (MPARAM)LIT_FIRST, (MPARAM)0)); | |
371 | } | |
372 | return (lItem == (LONG)N && lItem != LIT_NONE); | |
49dc8caa DW |
373 | } // end of wxListBox::IsSelected |
374 | ||
aa61d352 | 375 | void* wxListBox::DoGetItemClientData(unsigned int n) const |
0e320a79 | 376 | { |
8228b893 | 377 | wxCHECK_MSG( IsValid(n), NULL, |
fb9010ed DW |
378 | wxT("invalid index in wxListBox::GetClientData") ); |
379 | ||
49dc8caa DW |
380 | return((void *)::WinSendMsg(GetHwnd(), LM_QUERYITEMHANDLE, MPFROMLONG(n), (MPARAM)0)); |
381 | } // end of wxListBox::DoGetItemClientData | |
0e320a79 | 382 | |
aa61d352 | 383 | void wxListBox::DoSetItemClientData(unsigned int n, void* pClientData) |
dcd307ee | 384 | { |
8228b893 | 385 | wxCHECK_RET( IsValid(n), |
fb9010ed DW |
386 | wxT("invalid index in wxListBox::SetClientData") ); |
387 | ||
dcd307ee DW |
388 | #if wxUSE_OWNER_DRAWN |
389 | if ( m_windowStyle & wxLB_OWNERDRAW ) | |
390 | { | |
49dc8caa DW |
391 | // |
392 | // Client data must be pointer to wxOwnerDrawn, otherwise we would crash | |
dcd307ee | 393 | // in OnMeasure/OnDraw. |
49dc8caa | 394 | // |
dcd307ee DW |
395 | wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes")); |
396 | } | |
397 | #endif // wxUSE_OWNER_DRAWN | |
398 | ||
49dc8caa DW |
399 | ::WinSendMsg(GetHwnd(), LM_SETITEMHANDLE, MPFROMLONG(n), MPFROMP(pClientData)); |
400 | } // end of wxListBox::DoSetItemClientData | |
dcd307ee DW |
401 | |
402 | bool wxListBox::HasMultipleSelection() const | |
403 | { | |
404 | return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED); | |
49dc8caa | 405 | } // end of wxListBox::HasMultipleSelection |
0e320a79 | 406 | |
6670f564 | 407 | int wxListBox::GetSelections( wxArrayInt& raSelections ) const |
0e320a79 | 408 | { |
8228b893 WS |
409 | int nCount = 0; |
410 | LONG lItem; | |
0e320a79 | 411 | |
fb9010ed | 412 | |
49dc8caa DW |
413 | raSelections.Empty(); |
414 | if (HasMultipleSelection()) | |
415 | { | |
416 | lItem = LONGFROMMR(::WinSendMsg( GetHwnd() | |
417 | ,LM_QUERYSELECTION | |
418 | ,(MPARAM)LIT_FIRST | |
419 | ,(MPARAM)0 | |
420 | ) | |
421 | ); | |
422 | if (lItem != LIT_NONE) | |
423 | { | |
424 | nCount++; | |
425 | while ((lItem = LONGFROMMR(::WinSendMsg( GetHwnd() | |
426 | ,LM_QUERYSELECTION | |
427 | ,(MPARAM)lItem | |
428 | ,(MPARAM)0 | |
429 | ) | |
430 | )) != LIT_NONE) | |
431 | { | |
432 | nCount++; | |
433 | } | |
434 | raSelections.Alloc(nCount); | |
435 | lItem = LONGFROMMR(::WinSendMsg( GetHwnd() | |
436 | ,LM_QUERYSELECTION | |
437 | ,(MPARAM)LIT_FIRST | |
438 | ,(MPARAM)0 | |
439 | ) | |
440 | ); | |
441 | ||
442 | raSelections.Add((int)lItem); | |
443 | while ((lItem = LONGFROMMR(::WinSendMsg( GetHwnd() | |
444 | ,LM_QUERYSELECTION | |
445 | ,(MPARAM)lItem | |
446 | ,(MPARAM)0 | |
447 | ) | |
448 | )) != LIT_NONE) | |
449 | { | |
450 | raSelections.Add((int)lItem); | |
451 | } | |
452 | return nCount; | |
fb9010ed | 453 | } |
0e320a79 DW |
454 | } |
455 | else // single-selection listbox | |
456 | { | |
49dc8caa DW |
457 | lItem = LONGFROMMR(::WinSendMsg( GetHwnd() |
458 | ,LM_QUERYSELECTION | |
459 | ,(MPARAM)LIT_FIRST | |
460 | ,(MPARAM)0 | |
461 | ) | |
462 | ); | |
463 | raSelections.Add((int)lItem); | |
0e320a79 DW |
464 | return 1; |
465 | } | |
dcd307ee | 466 | return 0; |
49dc8caa | 467 | } // end of wxListBox::GetSelections |
0e320a79 | 468 | |
0e320a79 DW |
469 | int wxListBox::GetSelection() const |
470 | { | |
dcd307ee | 471 | wxCHECK_MSG( !HasMultipleSelection(), |
fb9010ed DW |
472 | -1, |
473 | wxT("GetSelection() can't be used with multiple-selection " | |
474 | "listboxes, use GetSelections() instead.") ); | |
475 | ||
49dc8caa DW |
476 | return(LONGFROMMR(::WinSendMsg( GetHwnd() |
477 | ,LM_QUERYSELECTION | |
478 | ,(MPARAM)LIT_FIRST | |
479 | ,(MPARAM)0 | |
480 | ) | |
481 | )); | |
482 | } // end of wxListBox::GetSelection | |
0e320a79 | 483 | |
aa61d352 | 484 | wxString wxListBox::GetString(unsigned int n) const |
0e320a79 | 485 | { |
8228b893 WS |
486 | LONG lLen = 0; |
487 | wxChar* zBuf; | |
488 | wxString sResult; | |
fb9010ed | 489 | |
aa61d352 | 490 | wxCHECK_MSG( IsValid(n), wxEmptyString, |
49dc8caa | 491 | wxT("invalid index in wxListBox::GetClientData") ); |
0e320a79 | 492 | |
aa61d352 | 493 | lLen = LONGFROMMR(::WinSendMsg(GetHwnd(), LM_QUERYITEMTEXTLENGTH, (MPARAM)n, (MPARAM)0)); |
0fba44b4 | 494 | zBuf = new wxChar[lLen + 1]; |
aa61d352 | 495 | ::WinSendMsg(GetHwnd(), LM_QUERYITEMTEXT, MPFROM2SHORT((SHORT)n, (SHORT)lLen), (MPARAM)zBuf); |
49dc8caa DW |
496 | zBuf[lLen] = '\0'; |
497 | sResult = zBuf; | |
498 | delete [] zBuf; | |
499 | return sResult; | |
500 | } // end of wxListBox::GetString | |
501 | ||
aa61d352 | 502 | void wxListBox::SetString(unsigned int n, const wxString& rsString) |
dcd307ee | 503 | { |
aa61d352 | 504 | wxCHECK_RET( IsValid(n), |
dcd307ee DW |
505 | wxT("invalid index in wxListBox::SetString") ); |
506 | ||
49dc8caa DW |
507 | // |
508 | // Remember the state of the item | |
509 | // | |
aa61d352 | 510 | bool bWasSelected = IsSelected(n); |
8228b893 WS |
511 | void* pOldData = NULL; |
512 | wxClientData* pOldObjData = NULL; | |
49dc8caa | 513 | |
6d8eb95b | 514 | if ( HasClientUntypedData() ) |
aa61d352 | 515 | pOldData = GetClientData(n); |
6d8eb95b | 516 | else if ( HasClientObjectData() ) |
aa61d352 | 517 | pOldObjData = GetClientObject(n); |
49dc8caa DW |
518 | |
519 | // | |
520 | // Delete and recreate it | |
521 | // | |
522 | ::WinSendMsg( GetHwnd() | |
523 | ,LM_DELETEITEM | |
aa61d352 | 524 | ,(MPARAM)n |
49dc8caa DW |
525 | ,(MPARAM)0 |
526 | ); | |
527 | ||
aa61d352 | 528 | int nNewN = n; |
49dc8caa | 529 | |
020e385d | 530 | if (n == (m_nNumItems - 1)) |
49dc8caa DW |
531 | nNewN = -1; |
532 | ||
533 | ::WinSendMsg( GetHwnd() | |
534 | ,LM_INSERTITEM | |
535 | ,(MPARAM)nNewN | |
404aba09 | 536 | ,(MPARAM)rsString.wx_str() |
49dc8caa DW |
537 | ); |
538 | ||
539 | // | |
540 | // Restore the client data | |
541 | // | |
542 | if (pOldData) | |
aa61d352 | 543 | SetClientData(n, pOldData); |
49dc8caa | 544 | else if (pOldObjData) |
aa61d352 | 545 | SetClientObject(n, pOldObjData); |
49dc8caa DW |
546 | |
547 | // | |
548 | // We may have lost the selection | |
549 | // | |
550 | if (bWasSelected) | |
aa61d352 | 551 | Select(n); |
dcd307ee DW |
552 | |
553 | #if wxUSE_OWNER_DRAWN | |
49dc8caa DW |
554 | if (m_windowStyle & wxLB_OWNERDRAW) |
555 | // | |
556 | // Update item's text | |
557 | // | |
aa61d352 | 558 | m_aItems[n]->SetName(rsString); |
dcd307ee | 559 | #endif //USE_OWNER_DRAWN |
49dc8caa | 560 | } // end of wxListBox::SetString |
dcd307ee | 561 | |
aa61d352 | 562 | unsigned int wxListBox::GetCount() const |
dcd307ee | 563 | { |
49dc8caa | 564 | return m_nNumItems; |
dcd307ee DW |
565 | } |
566 | ||
567 | // ---------------------------------------------------------------------------- | |
568 | // helpers | |
569 | // ---------------------------------------------------------------------------- | |
570 | ||
e78c4d50 | 571 | wxSize wxListBox::DoGetBestSize() const |
fb9010ed | 572 | { |
49dc8caa DW |
573 | // |
574 | // Find the widest string | |
575 | // | |
8228b893 WS |
576 | int nLine; |
577 | int nListbox = 0; | |
578 | int nCx; | |
579 | int nCy; | |
580 | wxFont vFont = (wxFont)GetFont(); | |
49dc8caa | 581 | |
aa61d352 | 582 | for (unsigned int i = 0; i < m_nNumItems; i++) |
fb9010ed | 583 | { |
8228b893 | 584 | wxString vStr(GetString(i)); |
49dc8caa | 585 | |
8228b893 | 586 | GetTextExtent( vStr, &nLine, NULL ); |
49dc8caa DW |
587 | if (nLine > nListbox) |
588 | nListbox = nLine; | |
fb9010ed DW |
589 | } |
590 | ||
49dc8caa DW |
591 | // |
592 | // Give it some reasonable default value if there are no strings in the | |
593 | // list. | |
594 | // | |
595 | if (nListbox == 0) | |
596 | nListbox = 100; | |
597 | ||
598 | // | |
599 | // The listbox should be slightly larger than the widest string | |
600 | // | |
601 | wxGetCharSize( GetHWND() | |
602 | ,&nCx | |
603 | ,&nCy | |
0d598bae | 604 | ,&vFont |
49dc8caa DW |
605 | ); |
606 | nListbox += 3 * nCx; | |
607 | ||
8228b893 | 608 | int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nCy) * (wxMax(m_nNumItems, 7)); |
49dc8caa DW |
609 | |
610 | return wxSize( nListbox | |
611 | ,hListbox | |
612 | ); | |
613 | } // end of wxListBox::DoGetBestSize | |
fb9010ed | 614 | |
dcd307ee DW |
615 | // ---------------------------------------------------------------------------- |
616 | // callbacks | |
617 | // ---------------------------------------------------------------------------- | |
618 | ||
49dc8caa DW |
619 | bool wxListBox::OS2Command( |
620 | WXUINT uParam | |
621 | , WXWORD WXUNUSED(wId)) | |
0e320a79 | 622 | { |
49dc8caa | 623 | wxEventType eEvtType; |
dcd307ee | 624 | |
49dc8caa DW |
625 | if (uParam == LN_SELECT) |
626 | { | |
627 | eEvtType = wxEVT_COMMAND_LISTBOX_SELECTED; | |
dcd307ee | 628 | } |
d6701f32 | 629 | else if (uParam == LN_ENTER) |
0e320a79 | 630 | { |
49dc8caa | 631 | eEvtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED; |
0e320a79 | 632 | } |
fb9010ed | 633 | else |
49dc8caa DW |
634 | { |
635 | // | |
636 | // Some event we're not interested in | |
637 | // | |
ec157c8f | 638 | return false; |
49dc8caa DW |
639 | } |
640 | wxCommandEvent vEvent( eEvtType | |
641 | ,m_windowId | |
642 | ); | |
fb9010ed | 643 | |
49dc8caa | 644 | vEvent.SetEventObject(this); |
fb9010ed | 645 | |
8228b893 WS |
646 | wxArrayInt aSelections; |
647 | int n; | |
648 | int nCount = GetSelections(aSelections); | |
fb9010ed | 649 | |
49dc8caa DW |
650 | if (nCount > 0) |
651 | { | |
652 | n = aSelections[0]; | |
653 | if (HasClientObjectData()) | |
654 | vEvent.SetClientObject(GetClientObject(n)); | |
655 | else if ( HasClientUntypedData() ) | |
656 | vEvent.SetClientData(GetClientData(n)); | |
657 | vEvent.SetString(GetString(n)); | |
658 | } | |
659 | else | |
660 | { | |
661 | n = -1; | |
662 | } | |
687706f5 | 663 | vEvent.SetInt(n); |
937013e0 | 664 | return HandleWindowEvent(vEvent); |
49dc8caa | 665 | } // end of wxListBox::OS2Command |
fb9010ed | 666 | |
dcd307ee DW |
667 | // ---------------------------------------------------------------------------- |
668 | // wxCheckListBox support | |
669 | // ---------------------------------------------------------------------------- | |
fb9010ed DW |
670 | |
671 | #if wxUSE_OWNER_DRAWN | |
672 | ||
49dc8caa DW |
673 | // |
674 | // Drawing | |
fb9010ed | 675 | // ------- |
49dc8caa | 676 | // |
fb9010ed DW |
677 | #define OWNER_DRAWN_LISTBOX_EXTRA_SPACE (1) |
678 | ||
8228b893 | 679 | long wxListBox::OS2OnMeasure(WXMEASUREITEMSTRUCT* pItem) |
fb9010ed | 680 | { |
1de4baa3 DW |
681 | if (!pItem) |
682 | pItem = (WXMEASUREITEMSTRUCT*)new OWNERITEM; | |
683 | ||
684 | POWNERITEM pMeasureStruct = (POWNERITEM)pItem; | |
685 | wxScreenDC vDc; | |
686 | ||
49dc8caa | 687 | // |
1de4baa3 | 688 | // Only owner-drawn control should receive this message |
49dc8caa | 689 | // |
1de4baa3 DW |
690 | wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE ); |
691 | ||
692 | vDc.SetFont(GetFont()); | |
693 | ||
694 | wxCoord vHeight; | |
f5ea767e DW |
695 | wxCoord vWidth; |
696 | ||
697 | GetSize( &vWidth | |
698 | ,NULL | |
699 | ); | |
1de4baa3 | 700 | |
f5ea767e | 701 | pMeasureStruct->rclItem.xRight = (USHORT)vWidth; |
1de4baa3 DW |
702 | pMeasureStruct->rclItem.xLeft = 0; |
703 | pMeasureStruct->rclItem.yTop = 0; | |
704 | pMeasureStruct->rclItem.yBottom = 0; | |
705 | ||
9923c37d | 706 | vHeight = (wxCoord)(vDc.GetCharHeight() * 2.5); |
f5ea767e | 707 | pMeasureStruct->rclItem.yTop = (USHORT)vHeight; |
1de4baa3 | 708 | |
f5ea767e | 709 | return long(MRFROM2SHORT((USHORT)vHeight, (USHORT)vWidth)); |
1de4baa3 | 710 | } // end of wxListBox::OS2OnMeasure |
fb9010ed | 711 | |
1de4baa3 DW |
712 | bool wxListBox::OS2OnDraw ( |
713 | WXDRAWITEMSTRUCT* pItem | |
714 | ) | |
fb9010ed | 715 | { |
1de4baa3 DW |
716 | POWNERITEM pDrawStruct = (POWNERITEM)pItem; |
717 | LONG lItemID = pDrawStruct->idItem; | |
718 | int eAction = 0; | |
719 | int eStatus = 0; | |
720 | ||
49dc8caa | 721 | // |
1de4baa3 | 722 | // Only owner-drawn control should receive this message |
49dc8caa | 723 | // |
ec157c8f | 724 | wxCHECK(((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), false); |
1de4baa3 DW |
725 | |
726 | ||
727 | // | |
728 | // The item may be -1 for an empty listbox | |
729 | // | |
730 | if (lItemID == -1L) | |
ec157c8f | 731 | return false; |
1de4baa3 DW |
732 | |
733 | wxListBoxItem* pData = (wxListBoxItem*)PVOIDFROMMR( ::WinSendMsg( GetHwnd() | |
734 | ,LM_QUERYITEMHANDLE | |
735 | ,MPFROMLONG(pDrawStruct->idItem) | |
736 | ,(MPARAM)0 | |
737 | ) | |
738 | ); | |
739 | ||
ec157c8f | 740 | wxCHECK(pData, false ); |
1de4baa3 | 741 | |
38400bb4 SN |
742 | wxClientDC vDc(this); |
743 | wxPMDCImpl *impl = (wxPMDCImpl*) vDc.GetImpl(); | |
6670f564 WS |
744 | wxPoint pt1( pDrawStruct->rclItem.xLeft, pDrawStruct->rclItem.yTop ); |
745 | wxPoint pt2( pDrawStruct->rclItem.xRight, pDrawStruct->rclItem.yBottom ); | |
746 | wxRect vRect( pt1, pt2 ); | |
1de4baa3 | 747 | |
38400bb4 | 748 | impl->SetHPS(pDrawStruct->hps); |
1de4baa3 DW |
749 | |
750 | if (pDrawStruct->fsAttribute == pDrawStruct->fsAttributeOld) | |
751 | { | |
752 | // | |
753 | // Entire Item needs to be redrawn (either it has reappeared from | |
754 | // behind another window or is being displayed for the first time | |
755 | // | |
756 | eAction = wxOwnerDrawn::wxODDrawAll; | |
757 | ||
758 | if (pDrawStruct->fsAttribute & MIA_HILITED) | |
759 | { | |
760 | // | |
761 | // If it is currently selected we let the system handle it | |
762 | // | |
763 | eStatus |= wxOwnerDrawn::wxODSelected; | |
764 | } | |
765 | if (pDrawStruct->fsAttribute & MIA_CHECKED) | |
766 | { | |
767 | // | |
768 | // If it is currently checked we draw our own | |
769 | // | |
770 | eStatus |= wxOwnerDrawn::wxODChecked; | |
771 | pDrawStruct->fsAttributeOld = pDrawStruct->fsAttribute &= ~MIA_CHECKED; | |
772 | } | |
773 | if (pDrawStruct->fsAttribute & MIA_DISABLED) | |
774 | { | |
775 | // | |
776 | // If it is currently disabled we let the system handle it | |
777 | // | |
778 | eStatus |= wxOwnerDrawn::wxODDisabled; | |
779 | } | |
780 | // | |
781 | // Don't really care about framed (indicationg focus) or NoDismiss | |
782 | // | |
783 | } | |
784 | else | |
785 | { | |
786 | if (pDrawStruct->fsAttribute & MIA_HILITED) | |
787 | { | |
788 | eAction = wxOwnerDrawn::wxODDrawAll; | |
789 | eStatus |= wxOwnerDrawn::wxODSelected; | |
790 | // | |
791 | // Keep the system from trying to highlight with its bogus colors | |
792 | // | |
793 | pDrawStruct->fsAttributeOld = pDrawStruct->fsAttribute &= ~MIA_HILITED; | |
794 | } | |
795 | else if (!(pDrawStruct->fsAttribute & MIA_HILITED)) | |
796 | { | |
797 | eAction = wxOwnerDrawn::wxODDrawAll; | |
798 | eStatus = 0; | |
799 | // | |
800 | // Keep the system from trying to highlight with its bogus colors | |
801 | // | |
802 | pDrawStruct->fsAttribute = pDrawStruct->fsAttributeOld &= ~MIA_HILITED; | |
803 | } | |
804 | else | |
805 | { | |
806 | // | |
807 | // For now we don't care about anything else | |
808 | // just ignore the entire message! | |
809 | // | |
ec157c8f | 810 | return true; |
1de4baa3 DW |
811 | } |
812 | } | |
813 | return pData->OnDrawItem( vDc | |
814 | ,vRect | |
815 | ,(wxOwnerDrawn::wxODAction)eAction | |
816 | ,(wxOwnerDrawn::wxODStatus)eStatus | |
817 | ); | |
818 | } // end of wxListBox::OS2OnDraw | |
819 | ||
49dc8caa DW |
820 | #endif // ndef for wxUSE_OWNER_DRAWN |
821 | ||
8228b893 | 822 | #endif // wxUSE_LISTBOX |