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2bda0e17 | 1 | ///////////////////////////////////////////////////////////////////////////// |
f6bcfd97 | 2 | // Name: msw/combobox.cpp |
2bda0e17 KB |
3 | // Purpose: wxComboBox class |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 01/02/97 | |
7 | // RCS-ID: $Id$ | |
6c9a19aa | 8 | // Copyright: (c) Julian Smart |
65571936 | 9 | // Licence: wxWindows licence |
2bda0e17 KB |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
f6bcfd97 BP |
12 | // ============================================================================ |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
14f355c2 | 20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
2bda0e17 KB |
21 | #pragma implementation "combobox.h" |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
fddfd9e1 | 28 | #pragma hdrstop |
2bda0e17 KB |
29 | #endif |
30 | ||
af79c52d VZ |
31 | #if wxUSE_COMBOBOX |
32 | ||
2bda0e17 | 33 | #ifndef WX_PRECOMP |
fddfd9e1 VZ |
34 | #include "wx/settings.h" |
35 | #include "wx/log.h" | |
2b5f62a0 VZ |
36 | // for wxEVT_COMMAND_TEXT_ENTER |
37 | #include "wx/textctrl.h" | |
2bda0e17 KB |
38 | #endif |
39 | ||
350a44d9 | 40 | #include "wx/app.h" |
2bda0e17 | 41 | #include "wx/combobox.h" |
f6bcfd97 | 42 | #include "wx/brush.h" |
2bda0e17 KB |
43 | #include "wx/clipbrd.h" |
44 | #include "wx/msw/private.h" | |
45 | ||
f6bcfd97 | 46 | #if wxUSE_TOOLTIPS |
ae090fdb | 47 | #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__) |
f6bcfd97 BP |
48 | #include <commctrl.h> |
49 | #endif | |
50 | #include "wx/tooltip.h" | |
51 | #endif // wxUSE_TOOLTIPS | |
52 | ||
53 | // ---------------------------------------------------------------------------- | |
54 | // wxWin macros | |
55 | // ---------------------------------------------------------------------------- | |
56 | ||
6a89f9ee | 57 | #if wxUSE_EXTENDED_RTTI |
bc9fb572 JS |
58 | WX_DEFINE_FLAGS( wxComboBoxStyle ) |
59 | ||
3ff066a4 | 60 | wxBEGIN_FLAGS( wxComboBoxStyle ) |
bc9fb572 JS |
61 | // new style border flags, we put them first to |
62 | // use them for streaming out | |
3ff066a4 SC |
63 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
64 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
65 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
66 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
67 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
68 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
02b7b6b0 | 69 | |
bc9fb572 | 70 | // old style border flags |
3ff066a4 SC |
71 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
72 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
73 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
74 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
75 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
cb0afb26 | 76 | wxFLAGS_MEMBER(wxBORDER) |
bc9fb572 JS |
77 | |
78 | // standard window styles | |
3ff066a4 SC |
79 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
80 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
81 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
82 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
cb0afb26 | 83 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
3ff066a4 SC |
84 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
85 | wxFLAGS_MEMBER(wxVSCROLL) | |
86 | wxFLAGS_MEMBER(wxHSCROLL) | |
87 | ||
88 | wxFLAGS_MEMBER(wxCB_SIMPLE) | |
89 | wxFLAGS_MEMBER(wxCB_SORT) | |
90 | wxFLAGS_MEMBER(wxCB_READONLY) | |
91 | wxFLAGS_MEMBER(wxCB_DROPDOWN) | |
92 | ||
93 | wxEND_FLAGS( wxComboBoxStyle ) | |
bc9fb572 | 94 | |
6a89f9ee SC |
95 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxControl,"wx/combobox.h") |
96 | ||
3ff066a4 | 97 | wxBEGIN_PROPERTIES_TABLE(wxComboBox) |
02b7b6b0 | 98 | wxEVENT_PROPERTY( Select , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent ) |
3ff066a4 | 99 | wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent ) |
c5ca409b | 100 | |
6a89f9ee | 101 | // TODO DELEGATES |
02b7b6b0 | 102 | wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
3ff066a4 | 103 | wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
02b7b6b0 WS |
104 | wxPROPERTY( Value ,wxString, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
105 | wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
af498247 | 106 | wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style |
3ff066a4 | 107 | wxEND_PROPERTIES_TABLE() |
6a89f9ee | 108 | |
3ff066a4 SC |
109 | wxBEGIN_HANDLERS_TABLE(wxComboBox) |
110 | wxEND_HANDLERS_TABLE() | |
2bda0e17 | 111 | |
3ff066a4 | 112 | wxCONSTRUCTOR_5( wxComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size ) |
bb8d428f | 113 | |
6a89f9ee | 114 | #else |
bb8d428f | 115 | |
6a89f9ee | 116 | IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) |
150e31d2 | 117 | |
bb8d428f WS |
118 | #endif |
119 | ||
150e31d2 JS |
120 | BEGIN_EVENT_TABLE(wxComboBox, wxControl) |
121 | EVT_MENU(wxID_CUT, wxComboBox::OnCut) | |
122 | EVT_MENU(wxID_COPY, wxComboBox::OnCopy) | |
123 | EVT_MENU(wxID_PASTE, wxComboBox::OnPaste) | |
124 | EVT_MENU(wxID_UNDO, wxComboBox::OnUndo) | |
125 | EVT_MENU(wxID_REDO, wxComboBox::OnRedo) | |
126 | EVT_MENU(wxID_CLEAR, wxComboBox::OnDelete) | |
127 | EVT_MENU(wxID_SELECTALL, wxComboBox::OnSelectAll) | |
128 | ||
129 | EVT_UPDATE_UI(wxID_CUT, wxComboBox::OnUpdateCut) | |
130 | EVT_UPDATE_UI(wxID_COPY, wxComboBox::OnUpdateCopy) | |
131 | EVT_UPDATE_UI(wxID_PASTE, wxComboBox::OnUpdatePaste) | |
132 | EVT_UPDATE_UI(wxID_UNDO, wxComboBox::OnUpdateUndo) | |
133 | EVT_UPDATE_UI(wxID_REDO, wxComboBox::OnUpdateRedo) | |
134 | EVT_UPDATE_UI(wxID_CLEAR, wxComboBox::OnUpdateDelete) | |
135 | EVT_UPDATE_UI(wxID_SELECTALL, wxComboBox::OnUpdateSelectAll) | |
136 | END_EVENT_TABLE() | |
137 | ||
f6bcfd97 BP |
138 | // ---------------------------------------------------------------------------- |
139 | // function prototypes | |
140 | // ---------------------------------------------------------------------------- | |
141 | ||
142 | LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, | |
143 | UINT message, | |
144 | WPARAM wParam, | |
145 | LPARAM lParam); | |
146 | ||
147 | // --------------------------------------------------------------------------- | |
148 | // global vars | |
149 | // --------------------------------------------------------------------------- | |
150 | ||
151 | // the pointer to standard radio button wnd proc | |
975b6bcf | 152 | static WNDPROC gs_wndprocEdit = (WNDPROC)NULL; |
f6bcfd97 BP |
153 | |
154 | // ============================================================================ | |
155 | // implementation | |
156 | // ============================================================================ | |
157 | ||
158 | // ---------------------------------------------------------------------------- | |
159 | // wnd proc for subclassed edit control | |
160 | // ---------------------------------------------------------------------------- | |
161 | ||
162 | LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, | |
163 | UINT message, | |
164 | WPARAM wParam, | |
165 | LPARAM lParam) | |
166 | { | |
167 | HWND hwndCombo = ::GetParent(hWnd); | |
168 | wxWindow *win = wxFindWinFromHandle((WXHWND)hwndCombo); | |
169 | ||
170 | switch ( message ) | |
171 | { | |
53c3a78b VZ |
172 | // forward some messages to the combobox to generate the appropriate |
173 | // wxEvents from them | |
f6bcfd97 BP |
174 | case WM_KEYUP: |
175 | case WM_KEYDOWN: | |
176 | case WM_CHAR: | |
53c3a78b VZ |
177 | case WM_SETFOCUS: |
178 | case WM_KILLFOCUS: | |
f6bcfd97 BP |
179 | { |
180 | wxComboBox *combo = wxDynamicCast(win, wxComboBox); | |
64b39766 VZ |
181 | if ( !combo ) |
182 | { | |
183 | // we can get WM_KILLFOCUS while our parent is already half | |
184 | // destroyed and hence doesn't look like a combobx any | |
185 | // longer, check for it to avoid bogus assert failures | |
186 | if ( !win->IsBeingDeleted() ) | |
187 | { | |
188 | wxFAIL_MSG( _T("should have combo as parent") ); | |
189 | } | |
190 | } | |
191 | else if ( combo->MSWProcessEditMsg(message, wParam, lParam) ) | |
192 | { | |
193 | // handled by parent | |
f6bcfd97 | 194 | return 0; |
64b39766 | 195 | } |
f6bcfd97 BP |
196 | } |
197 | break; | |
198 | ||
f6bcfd97 BP |
199 | case WM_GETDLGCODE: |
200 | { | |
201 | wxCHECK_MSG( win, 0, _T("should have a parent") ); | |
202 | ||
203 | if ( win->GetWindowStyle() & wxPROCESS_ENTER ) | |
204 | { | |
205 | // need to return a custom dlg code or we'll never get it | |
206 | return DLGC_WANTMESSAGE; | |
207 | } | |
208 | } | |
209 | break; | |
f6bcfd97 BP |
210 | |
211 | // deal with tooltips here | |
ae090fdb | 212 | #if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT) |
f6bcfd97 BP |
213 | case WM_NOTIFY: |
214 | { | |
215 | wxCHECK_MSG( win, 0, _T("should have a parent") ); | |
216 | ||
217 | NMHDR* hdr = (NMHDR *)lParam; | |
2b5f62a0 | 218 | if ( hdr->code == TTN_NEEDTEXT ) |
f6bcfd97 BP |
219 | { |
220 | wxToolTip *tooltip = win->GetToolTip(); | |
221 | if ( tooltip ) | |
222 | { | |
223 | TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam; | |
224 | ttt->lpszText = (wxChar *)tooltip->GetTip().c_str(); | |
225 | } | |
226 | ||
227 | // processed | |
228 | return 0; | |
229 | } | |
230 | } | |
231 | break; | |
232 | #endif // wxUSE_TOOLTIPS | |
233 | } | |
234 | ||
235 | return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam); | |
236 | } | |
237 | ||
f6bcfd97 | 238 | // ---------------------------------------------------------------------------- |
3a7d5f7c | 239 | // wxComboBox callbacks |
f6bcfd97 BP |
240 | // ---------------------------------------------------------------------------- |
241 | ||
c140b7e7 | 242 | WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) |
3a7d5f7c VZ |
243 | { |
244 | // handle WM_CTLCOLOR messages from our EDIT control to be able to set its | |
245 | // colour correctly (to be the same as our own one) | |
246 | switch ( nMsg ) | |
247 | { | |
1b135c93 RD |
248 | case CB_SETCURSEL: |
249 | // Selection was set with SetSelection. Update the value too. | |
bee67147 | 250 | if ((int)wParam > GetCount()) |
1b135c93 RD |
251 | m_value = wxEmptyString; |
252 | else | |
253 | m_value = GetString(wParam); | |
254 | break; | |
3a7d5f7c VZ |
255 | } |
256 | ||
257 | return wxChoice::MSWWindowProc(nMsg, wParam, lParam); | |
258 | } | |
259 | ||
f6bcfd97 BP |
260 | bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) |
261 | { | |
262 | switch ( msg ) | |
263 | { | |
264 | case WM_CHAR: | |
2b5f62a0 VZ |
265 | // for compatibility with wxTextCtrl, generate a special message |
266 | // when Enter is pressed | |
267 | if ( wParam == VK_RETURN ) | |
268 | { | |
269 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); | |
270 | InitCommandEvent(event); | |
271 | event.SetString(GetValue()); | |
272 | event.SetInt(GetSelection()); | |
273 | ProcessCommand(event); | |
274 | } | |
275 | ||
02b7b6b0 | 276 | return HandleChar(wParam, lParam, true /* isASCII */); |
889f0b7c | 277 | |
f6bcfd97 BP |
278 | case WM_KEYDOWN: |
279 | return HandleKeyDown(wParam, lParam); | |
280 | ||
281 | case WM_KEYUP: | |
282 | return HandleKeyUp(wParam, lParam); | |
53c3a78b VZ |
283 | |
284 | case WM_SETFOCUS: | |
285 | return HandleSetFocus((WXHWND)wParam); | |
286 | ||
287 | case WM_KILLFOCUS: | |
288 | return HandleKillFocus((WXHWND)wParam); | |
f6bcfd97 BP |
289 | } |
290 | ||
02b7b6b0 | 291 | return false; |
f6bcfd97 BP |
292 | } |
293 | ||
debe6624 | 294 | bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) |
2bda0e17 | 295 | { |
fddfd9e1 VZ |
296 | wxString value; |
297 | int sel = -1; | |
cd0b1709 | 298 | switch ( param ) |
8c1c5302 | 299 | { |
cd0b1709 | 300 | case CBN_SELCHANGE: |
fddfd9e1 | 301 | sel = GetSelection(); |
13bcc348 VZ |
302 | |
303 | // somehow we get 2 CBN_SELCHANGE events with the same index when | |
304 | // the user selects an item in the combobox -- ignore duplicates | |
305 | if ( sel > -1 && sel != m_selectionOld ) | |
cd0b1709 | 306 | { |
13bcc348 VZ |
307 | m_selectionOld = sel; |
308 | ||
309 | // GetValue() would still return the old value from here but | |
310 | // according to the docs we should return the new value if the | |
311 | // user calls it in his event handler, so update internal | |
312 | // m_value | |
313 | m_value = GetString(sel); | |
fddfd9e1 | 314 | |
cd0b1709 | 315 | wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId()); |
fddfd9e1 | 316 | event.SetInt(sel); |
cd0b1709 | 317 | event.SetEventObject(this); |
13bcc348 | 318 | event.SetString(m_value); |
cd0b1709 VZ |
319 | ProcessCommand(event); |
320 | } | |
13bcc348 | 321 | else // no valid selection |
fddfd9e1 | 322 | { |
13bcc348 VZ |
323 | m_selectionOld = sel; |
324 | ||
325 | // hence no EVT_TEXT neither | |
fddfd9e1 VZ |
326 | break; |
327 | } | |
328 | ||
329 | // fall through: for compability with wxGTK, also send the text | |
330 | // update event when the selection changes (this also seems more | |
331 | // logical as the text does change) | |
29006414 | 332 | |
cd0b1709 VZ |
333 | case CBN_EDITCHANGE: |
334 | { | |
7ba166dd | 335 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); |
3adc70bf | 336 | |
fddfd9e1 VZ |
337 | // if sel != -1, value was initialized above (and we can't use |
338 | // GetValue() here as it would return the old selection and we | |
339 | // want the new one) | |
7ba166dd | 340 | if ( sel == -1 ) |
3adc70bf | 341 | { |
9a6bc656 | 342 | m_value = wxGetWindowText(GetHwnd()); |
3adc70bf VZ |
343 | } |
344 | else // we're synthesizing text updated event from sel change | |
345 | { | |
13bcc348 VZ |
346 | // We need to retrieve the current selection because the |
347 | // user may have changed it in the previous handler (for | |
348 | // CBN_SELCHANGE above). | |
28764ac9 JS |
349 | sel = GetSelection(); |
350 | if ( sel > -1 ) | |
351 | { | |
13bcc348 | 352 | m_value = GetString(sel); |
28764ac9 | 353 | } |
3adc70bf VZ |
354 | } |
355 | ||
13bcc348 | 356 | event.SetString(m_value); |
cd0b1709 | 357 | event.SetEventObject(this); |
0ef2ebba | 358 | ProcessCommand(event); |
cd0b1709 VZ |
359 | } |
360 | break; | |
361 | } | |
29006414 | 362 | |
cd0b1709 | 363 | // there is no return value for the CBN_ notifications, so always return |
02b7b6b0 WS |
364 | // false from here to pass the message to DefWindowProc() |
365 | return false; | |
2bda0e17 KB |
366 | } |
367 | ||
f6bcfd97 BP |
368 | WXHWND wxComboBox::GetEditHWND() const |
369 | { | |
370 | // this function should not be called for wxCB_READONLY controls, it is | |
371 | // the callers responsability to check this | |
372 | wxASSERT_MSG( !(GetWindowStyle() & wxCB_READONLY), | |
373 | _T("read-only combobox doesn't have any edit control") ); | |
374 | ||
375 | POINT pt; | |
376 | pt.x = pt.y = 4; | |
377 | HWND hwndEdit = ::ChildWindowFromPoint(GetHwnd(), pt); | |
378 | if ( !hwndEdit || hwndEdit == GetHwnd() ) | |
379 | { | |
380 | wxFAIL_MSG(_T("not read only combobox without edit control?")); | |
381 | } | |
382 | ||
383 | return (WXHWND)hwndEdit; | |
384 | } | |
385 | ||
71e57cd6 VZ |
386 | // ---------------------------------------------------------------------------- |
387 | // wxComboBox creation | |
388 | // ---------------------------------------------------------------------------- | |
389 | ||
debe6624 | 390 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
c085e333 VZ |
391 | const wxString& value, |
392 | const wxPoint& pos, | |
393 | const wxSize& size, | |
394 | int n, const wxString choices[], | |
395 | long style, | |
396 | const wxValidator& validator, | |
397 | const wxString& name) | |
2bda0e17 | 398 | { |
bdf5c30d VZ |
399 | // pretend that wxComboBox is hidden while it is positioned and resized and |
400 | // show it only right before leaving this method because otherwise there is | |
401 | // some noticeable flicker while the control rearranges itself | |
02b7b6b0 | 402 | m_isShown = false; |
bdf5c30d | 403 | |
71e57cd6 VZ |
404 | if ( !CreateAndInit(parent, id, pos, size, n, choices, style, |
405 | validator, name) ) | |
02b7b6b0 | 406 | return false; |
f6bcfd97 | 407 | |
6341d824 VZ |
408 | // we shouldn't call SetValue() for an empty string because this would |
409 | // (correctly) result in an assert with a read only combobox and is useless | |
410 | // for the other ones anyhow | |
411 | if ( !value.empty() ) | |
b9b8a2b5 | 412 | SetValue(value); |
db34b147 | 413 | |
f6bcfd97 BP |
414 | // a (not read only) combobox is, in fact, 2 controls: the combobox itself |
415 | // and an edit control inside it and if we want to catch events from this | |
416 | // edit control, we must subclass it as well | |
417 | if ( !(style & wxCB_READONLY) ) | |
418 | { | |
975b6bcf VZ |
419 | gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(), |
420 | wxComboEditWndProc); | |
f6bcfd97 | 421 | } |
2bda0e17 | 422 | |
bdf5c30d | 423 | // and finally, show the control |
02b7b6b0 | 424 | Show(true); |
bdf5c30d | 425 | |
02b7b6b0 | 426 | return true; |
2bda0e17 KB |
427 | } |
428 | ||
584ad2a3 MB |
429 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
430 | const wxString& value, | |
431 | const wxPoint& pos, | |
432 | const wxSize& size, | |
433 | const wxArrayString& choices, | |
434 | long style, | |
435 | const wxValidator& validator, | |
436 | const wxString& name) | |
437 | { | |
438 | wxCArrayString chs(choices); | |
439 | return Create(parent, id, value, pos, size, chs.GetCount(), | |
440 | chs.GetStrings(), style, validator, name); | |
441 | } | |
442 | ||
71e57cd6 VZ |
443 | WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const |
444 | { | |
445 | // we never have an external border | |
446 | WXDWORD msStyle = wxChoice::MSWGetStyle | |
447 | ( | |
448 | (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle | |
449 | ); | |
450 | ||
451 | // remove the style always added by wxChoice | |
452 | msStyle &= ~CBS_DROPDOWNLIST; | |
453 | ||
454 | if ( style & wxCB_READONLY ) | |
455 | msStyle |= CBS_DROPDOWNLIST; | |
456 | #ifndef __WXWINCE__ | |
457 | else if ( style & wxCB_SIMPLE ) | |
458 | msStyle |= CBS_SIMPLE; // A list (shown always) and edit control | |
459 | #endif | |
460 | else | |
461 | msStyle |= CBS_DROPDOWN; | |
462 | ||
463 | // there is no reason to not always use CBS_AUTOHSCROLL, so do use it | |
464 | msStyle |= CBS_AUTOHSCROLL; | |
465 | ||
466 | // NB: we used to also add CBS_NOINTEGRALHEIGHT here but why? | |
467 | ||
468 | return msStyle; | |
469 | } | |
470 | ||
471 | // ---------------------------------------------------------------------------- | |
472 | // wxComboBox text control-like methods | |
473 | // ---------------------------------------------------------------------------- | |
474 | ||
2bda0e17 KB |
475 | void wxComboBox::SetValue(const wxString& value) |
476 | { | |
2b5f62a0 VZ |
477 | if ( HasFlag(wxCB_READONLY) ) |
478 | SetStringSelection(value); | |
b38f3ff3 | 479 | else |
2b5f62a0 | 480 | SetWindowText(GetHwnd(), value.c_str()); |
13bcc348 | 481 | |
9a6bc656 | 482 | m_value = value; |
13bcc348 | 483 | m_selectionOld = GetSelection(); |
2bda0e17 KB |
484 | } |
485 | ||
486 | // Clipboard operations | |
1c4a764c | 487 | void wxComboBox::Copy() |
2bda0e17 | 488 | { |
150e31d2 | 489 | SendMessage(GetHwnd(), WM_COPY, 0, 0L); |
2bda0e17 KB |
490 | } |
491 | ||
1c4a764c | 492 | void wxComboBox::Cut() |
2bda0e17 | 493 | { |
150e31d2 | 494 | SendMessage(GetHwnd(), WM_CUT, 0, 0L); |
2bda0e17 KB |
495 | } |
496 | ||
1c4a764c | 497 | void wxComboBox::Paste() |
2bda0e17 | 498 | { |
150e31d2 JS |
499 | SendMessage(GetHwnd(), WM_PASTE, 0, 0L); |
500 | } | |
501 | ||
502 | void wxComboBox::Undo() | |
503 | { | |
504 | if (CanUndo()) | |
505 | { | |
506 | HWND hEditWnd = (HWND) GetEditHWND() ; | |
507 | if ( hEditWnd ) | |
508 | ::SendMessage(hEditWnd, EM_UNDO, 0, 0); | |
509 | } | |
510 | } | |
511 | ||
512 | void wxComboBox::Redo() | |
513 | { | |
514 | if (CanUndo()) | |
515 | { | |
516 | // Same as Undo, since Undo undoes the undo, i.e. a redo. | |
517 | HWND hEditWnd = (HWND) GetEditHWND() ; | |
518 | if ( hEditWnd ) | |
519 | ::SendMessage(hEditWnd, EM_UNDO, 0, 0); | |
520 | } | |
521 | } | |
522 | ||
523 | void wxComboBox::SelectAll() | |
524 | { | |
525 | SetSelection(0, GetLastPosition()); | |
526 | } | |
527 | ||
528 | bool wxComboBox::CanUndo() const | |
529 | { | |
530 | HWND hEditWnd = (HWND) GetEditHWND() ; | |
531 | if ( hEditWnd ) | |
532 | return ::SendMessage(hEditWnd, EM_CANUNDO, 0, 0) != 0; | |
533 | else | |
534 | return false; | |
535 | } | |
536 | ||
537 | bool wxComboBox::CanRedo() const | |
538 | { | |
539 | HWND hEditWnd = (HWND) GetEditHWND() ; | |
540 | if ( hEditWnd ) | |
541 | return ::SendMessage(hEditWnd, EM_CANUNDO, 0, 0) != 0; | |
542 | else | |
543 | return false; | |
544 | } | |
545 | ||
546 | bool wxComboBox::HasSelection() const | |
547 | { | |
548 | long from, to; | |
549 | GetSelection(&from, &to); | |
550 | return from != to; | |
551 | } | |
552 | ||
553 | bool wxComboBox::CanCopy() const | |
554 | { | |
555 | // Can copy if there's a selection | |
556 | return HasSelection(); | |
557 | } | |
558 | ||
559 | bool wxComboBox::CanCut() const | |
560 | { | |
561 | return CanCopy() && IsEditable(); | |
562 | } | |
563 | ||
564 | bool wxComboBox::CanPaste() const | |
565 | { | |
566 | if ( !IsEditable() ) | |
567 | return false; | |
568 | ||
569 | // Standard edit control: check for straight text on clipboard | |
570 | if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) ) | |
571 | return false; | |
572 | ||
573 | bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0; | |
574 | ::CloseClipboard(); | |
575 | ||
576 | return isTextAvailable; | |
577 | } | |
578 | ||
579 | bool wxComboBox::IsEditable() const | |
580 | { | |
581 | return !HasFlag(wxCB_READONLY); | |
2bda0e17 KB |
582 | } |
583 | ||
33ac7e6f | 584 | void wxComboBox::SetEditable(bool WXUNUSED(editable)) |
2bda0e17 KB |
585 | { |
586 | // Can't implement in MSW? | |
4438caf4 | 587 | // HWND hWnd = GetHwnd(); |
2bda0e17 KB |
588 | // SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); |
589 | } | |
590 | ||
debe6624 | 591 | void wxComboBox::SetInsertionPoint(long pos) |
2bda0e17 | 592 | { |
6d14cac7 VZ |
593 | if ( GetWindowStyle() & wxCB_READONLY ) |
594 | return; | |
595 | ||
2bda0e17 | 596 | #ifdef __WIN32__ |
6d14cac7 VZ |
597 | HWND hWnd = GetHwnd(); |
598 | ::SendMessage(hWnd, CB_SETEDITSEL, 0, MAKELPARAM(pos, pos)); | |
599 | HWND hEditWnd = (HWND) GetEditHWND() ; | |
600 | if ( hEditWnd ) | |
601 | { | |
602 | // Scroll insertion point into view | |
603 | SendMessage(hEditWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); | |
604 | // Why is this necessary? (Copied from wxTextCtrl::SetInsertionPoint) | |
fda7962d | 605 | SendMessage(hEditWnd, EM_REPLACESEL, 0, (LPARAM) wxEmptyString); |
6d14cac7 VZ |
606 | } |
607 | #endif // __WIN32__ | |
2bda0e17 KB |
608 | } |
609 | ||
1c4a764c | 610 | void wxComboBox::SetInsertionPointEnd() |
2bda0e17 | 611 | { |
6d14cac7 VZ |
612 | // setting insertion point doesn't make sense for read only comboboxes |
613 | if ( !(GetWindowStyle() & wxCB_READONLY) ) | |
614 | { | |
615 | long pos = GetLastPosition(); | |
616 | SetInsertionPoint(pos); | |
617 | } | |
2bda0e17 KB |
618 | } |
619 | ||
1c4a764c | 620 | long wxComboBox::GetInsertionPoint() const |
2bda0e17 | 621 | { |
f7703477 JS |
622 | #ifdef __WIN32__ |
623 | DWORD Pos=(DWORD)SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L); | |
624 | return Pos&0xFFFF; | |
625 | #else | |
626 | return 0; | |
627 | #endif | |
2bda0e17 KB |
628 | } |
629 | ||
1c4a764c | 630 | long wxComboBox::GetLastPosition() const |
2bda0e17 | 631 | { |
f7703477 | 632 | HWND hEditWnd = (HWND) GetEditHWND(); |
4438caf4 | 633 | |
f7703477 | 634 | // Get number of characters in the last (only) line. We'll add this to the character |
2bda0e17 | 635 | // index for the last line, 1st position. |
f7703477 | 636 | int lineLength = (int)SendMessage(hEditWnd, EM_LINELENGTH, (WPARAM) 0, (LPARAM)0L); |
2bda0e17 | 637 | |
f7703477 | 638 | return (long)(lineLength); |
2bda0e17 KB |
639 | } |
640 | ||
debe6624 | 641 | void wxComboBox::Replace(long from, long to, const wxString& value) |
2bda0e17 | 642 | { |
47d67540 | 643 | #if wxUSE_CLIPBOARD |
fddfd9e1 | 644 | Remove(from, to); |
2bda0e17 KB |
645 | |
646 | // Now replace with 'value', by pasting. | |
837e5743 | 647 | wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0); |
2bda0e17 KB |
648 | |
649 | // Paste into edit control | |
fddfd9e1 | 650 | SendMessage(GetHwnd(), WM_PASTE, (WPARAM)0, (LPARAM)0L); |
2bda0e17 KB |
651 | #endif |
652 | } | |
653 | ||
debe6624 | 654 | void wxComboBox::Remove(long from, long to) |
2bda0e17 | 655 | { |
fddfd9e1 VZ |
656 | // Set selection and remove it |
657 | SetSelection(from, to); | |
658 | SendMessage(GetHwnd(), WM_CUT, (WPARAM)0, (LPARAM)0); | |
2bda0e17 KB |
659 | } |
660 | ||
debe6624 | 661 | void wxComboBox::SetSelection(long from, long to) |
2bda0e17 | 662 | { |
4438caf4 | 663 | HWND hWnd = GetHwnd(); |
2bda0e17 KB |
664 | long fromChar = from; |
665 | long toChar = to; | |
666 | // if from and to are both -1, it means | |
77ffb593 | 667 | // (in wxWidgets) that all text should be selected. |
2bda0e17 KB |
668 | // This translates into Windows convention |
669 | if ((from == -1) && (to == -1)) | |
670 | { | |
671 | fromChar = 0; | |
672 | toChar = -1; | |
673 | } | |
4438caf4 | 674 | |
3a5bcc4d | 675 | if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR ) |
fddfd9e1 VZ |
676 | { |
677 | wxLogDebug(_T("CB_SETEDITSEL failed")); | |
678 | } | |
2bda0e17 KB |
679 | } |
680 | ||
3f5ca6b1 RN |
681 | void wxComboBox::GetSelection(long* from, long* to) const |
682 | { | |
683 | DWORD dwStart, dwEnd; | |
684 | ::SendMessage(GetHwnd(), CB_GETEDITSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd); | |
685 | ||
686 | *from = dwStart; | |
687 | *to = dwEnd; | |
688 | } | |
689 | ||
690 | int wxComboBox::GetSelection() const | |
bb8d428f WS |
691 | { |
692 | return wxChoice::GetSelection(); | |
3f5ca6b1 RN |
693 | } |
694 | ||
150e31d2 JS |
695 | // ---------------------------------------------------------------------------- |
696 | // standard event handling | |
697 | // ---------------------------------------------------------------------------- | |
698 | ||
699 | void wxComboBox::OnCut(wxCommandEvent& WXUNUSED(event)) | |
700 | { | |
701 | Cut(); | |
702 | } | |
703 | ||
704 | void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event)) | |
705 | { | |
706 | Copy(); | |
707 | } | |
708 | ||
709 | void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event)) | |
710 | { | |
711 | Paste(); | |
712 | } | |
713 | ||
714 | void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event)) | |
715 | { | |
716 | Undo(); | |
717 | } | |
718 | ||
719 | void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event)) | |
720 | { | |
721 | Redo(); | |
722 | } | |
723 | ||
724 | void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event)) | |
725 | { | |
726 | long from, to; | |
727 | GetSelection(& from, & to); | |
728 | if (from != -1 && to != -1) | |
729 | Remove(from, to); | |
730 | } | |
731 | ||
732 | void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event)) | |
733 | { | |
734 | SetSelection(-1, -1); | |
735 | } | |
736 | ||
737 | void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event) | |
738 | { | |
739 | event.Enable( CanCut() ); | |
740 | } | |
741 | ||
742 | void wxComboBox::OnUpdateCopy(wxUpdateUIEvent& event) | |
743 | { | |
744 | event.Enable( CanCopy() ); | |
745 | } | |
746 | ||
747 | void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event) | |
748 | { | |
749 | event.Enable( CanPaste() ); | |
750 | } | |
751 | ||
752 | void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event) | |
753 | { | |
754 | event.Enable( CanUndo() ); | |
755 | } | |
756 | ||
757 | void wxComboBox::OnUpdateRedo(wxUpdateUIEvent& event) | |
758 | { | |
759 | event.Enable( CanRedo() ); | |
760 | } | |
761 | ||
762 | void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event) | |
763 | { | |
764 | event.Enable(HasSelection() && IsEditable()) ; | |
765 | } | |
766 | ||
767 | void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event) | |
768 | { | |
769 | event.Enable(GetLastPosition() > 0); | |
770 | } | |
771 | ||
71e57cd6 | 772 | #endif // wxUSE_COMBOBOX |
2bda0e17 | 773 |