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b782f2e0 VZ |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: msw/spinctrl.cpp | |
3 | // Purpose: wxSpinCtrl class implementation for Win32 | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 22.07.99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Vadim Zeitlin | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | #ifdef __GNUG__ | |
17 | #pragma implementation "spinctrlbase.h" | |
18 | #pragma implementation "spinctrl.h" | |
19 | #endif | |
20 | ||
21 | // ---------------------------------------------------------------------------- | |
22 | // headers | |
23 | // ---------------------------------------------------------------------------- | |
24 | ||
25 | // for compilers that support precompilation, includes "wx.h". | |
26 | #include "wx/wxprec.h" | |
27 | ||
28 | #ifdef __BORLANDC__ | |
29 | #pragma hdrstop | |
30 | #endif | |
31 | ||
32 | #ifndef WX_PRECOMP | |
33 | #include "wx/wx.h" | |
34 | #endif | |
35 | ||
0e528b99 JS |
36 | #if wxUSE_SPINCTRL |
37 | ||
b782f2e0 VZ |
38 | #if defined(__WIN95__) |
39 | ||
40 | #include "wx/spinctrl.h" | |
41 | #include "wx/msw/private.h" | |
42 | ||
ae090fdb | 43 | #if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) |
4c0a2c5c JS |
44 | #include <commctrl.h> |
45 | #endif | |
b782f2e0 | 46 | |
678cd6de VZ |
47 | #include <limits.h> // for INT_MIN |
48 | ||
b782f2e0 VZ |
49 | // ---------------------------------------------------------------------------- |
50 | // macros | |
51 | // ---------------------------------------------------------------------------- | |
52 | ||
9750fc42 VZ |
53 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl) |
54 | ||
55 | BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton) | |
e3582f7f | 56 | EVT_CHAR(wxSpinCtrl::OnChar) |
9750fc42 VZ |
57 | EVT_SPIN(-1, wxSpinCtrl::OnSpinChange) |
58 | END_EVENT_TABLE() | |
b782f2e0 | 59 | |
6fe19057 VZ |
60 | #define GetBuddyHwnd() (HWND)(m_hwndBuddy) |
61 | ||
b782f2e0 VZ |
62 | // ---------------------------------------------------------------------------- |
63 | // constants | |
64 | // ---------------------------------------------------------------------------- | |
65 | ||
baccb514 VZ |
66 | // the margin between the up-down control and its buddy (can be arbitrary, |
67 | // choose what you like - or may be decide during run-time depending on the | |
68 | // font size?) | |
69 | static const int MARGIN_BETWEEN = 1; | |
b782f2e0 VZ |
70 | |
71 | // ============================================================================ | |
72 | // implementation | |
73 | // ============================================================================ | |
74 | ||
6fe19057 VZ |
75 | wxArraySpins wxSpinCtrl::ms_allSpins; |
76 | ||
f6bcfd97 BP |
77 | // ---------------------------------------------------------------------------- |
78 | // wnd proc for the buddy text ctrl | |
79 | // ---------------------------------------------------------------------------- | |
80 | ||
81 | LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd, | |
82 | UINT message, | |
83 | WPARAM wParam, | |
84 | LPARAM lParam) | |
85 | { | |
86 | wxSpinCtrl *spin = (wxSpinCtrl *)::GetWindowLong(hwnd, GWL_USERDATA); | |
87 | ||
93c4157c VZ |
88 | // forward some messages (the key and focus ones only so far) to |
89 | // the spin ctrl | |
f6bcfd97 BP |
90 | switch ( message ) |
91 | { | |
93c4157c VZ |
92 | case WM_SETFOCUS: |
93 | case WM_KILLFOCUS: | |
f6bcfd97 BP |
94 | case WM_CHAR: |
95 | case WM_DEADCHAR: | |
96 | case WM_KEYUP: | |
97 | case WM_KEYDOWN: | |
98 | spin->MSWWindowProc(message, wParam, lParam); | |
e3582f7f JS |
99 | |
100 | // The control may have been deleted at this point, so check. | |
101 | if (!(::IsWindow(hwnd) && ((wxSpinCtrl *)::GetWindowLong(hwnd, GWL_USERDATA)) == spin)) | |
102 | return 0; | |
f6bcfd97 | 103 | break; |
350ba193 VZ |
104 | |
105 | case WM_GETDLGCODE: | |
106 | // we want to get WXK_RETURN in order to generate the event for it | |
107 | return DLGC_WANTCHARS; | |
f6bcfd97 | 108 | } |
350ba193 | 109 | |
f6bcfd97 BP |
110 | return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(), |
111 | hwnd, message, wParam, lParam); | |
112 | } | |
113 | ||
6fe19057 VZ |
114 | /* static */ |
115 | wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy) | |
116 | { | |
117 | wxSpinCtrl *spin = (wxSpinCtrl *)::GetWindowLong((HWND)hwndBuddy, | |
118 | GWL_USERDATA); | |
119 | ||
120 | int i = ms_allSpins.Index(spin); | |
121 | ||
122 | if ( i == wxNOT_FOUND ) | |
123 | return NULL; | |
124 | ||
125 | // sanity check | |
126 | wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy, | |
127 | _T("wxSpinCtrl has incorrect buddy HWND!") ); | |
128 | ||
129 | return spin; | |
130 | } | |
131 | ||
132 | // process a WM_COMMAND generated by the buddy text control | |
133 | bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id)) | |
134 | { | |
e3582f7f | 135 | switch (cmd) |
6fe19057 | 136 | { |
e3582f7f JS |
137 | case EN_CHANGE: |
138 | { | |
139 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); | |
140 | event.SetEventObject(this); | |
141 | wxString val = wxGetWindowText(m_hwndBuddy); | |
142 | event.SetString(val); | |
143 | event.SetInt(GetValue()); | |
144 | return GetEventHandler()->ProcessEvent(event); | |
145 | } | |
146 | case EN_SETFOCUS: | |
147 | case EN_KILLFOCUS: | |
148 | { | |
149 | wxFocusEvent event(cmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS | |
150 | : wxEVT_SET_FOCUS, | |
151 | m_windowId); | |
152 | event.SetEventObject( this ); | |
153 | return GetEventHandler()->ProcessEvent(event); | |
154 | } | |
155 | default: | |
156 | break; | |
6fe19057 VZ |
157 | } |
158 | ||
159 | // not processed | |
160 | return FALSE; | |
161 | } | |
162 | ||
e3582f7f JS |
163 | void wxSpinCtrl::OnChar(wxKeyEvent& event) |
164 | { | |
165 | switch ( event.KeyCode() ) | |
166 | { | |
167 | case WXK_RETURN: | |
168 | { | |
169 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); | |
170 | InitCommandEvent(event); | |
171 | wxString val = wxGetWindowText(m_hwndBuddy); | |
172 | event.SetString(val); | |
173 | event.SetInt(GetValue()); | |
174 | if ( GetEventHandler()->ProcessEvent(event) ) | |
175 | return; | |
176 | break; | |
177 | } | |
178 | ||
179 | case WXK_TAB: | |
180 | // always produce navigation event - even if we process TAB | |
181 | // ourselves the fact that we got here means that the user code | |
182 | // decided to skip processing of this TAB - probably to let it | |
183 | // do its default job. | |
184 | { | |
185 | wxNavigationKeyEvent eventNav; | |
186 | eventNav.SetDirection(!event.ShiftDown()); | |
187 | eventNav.SetWindowChange(event.ControlDown()); | |
188 | eventNav.SetEventObject(this); | |
189 | ||
190 | if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) ) | |
191 | return; | |
192 | } | |
193 | break; | |
194 | } | |
195 | ||
196 | // no, we didn't process it | |
197 | event.Skip(); | |
198 | } | |
199 | ||
b782f2e0 VZ |
200 | // ---------------------------------------------------------------------------- |
201 | // construction | |
202 | // ---------------------------------------------------------------------------- | |
203 | ||
204 | bool wxSpinCtrl::Create(wxWindow *parent, | |
205 | wxWindowID id, | |
678cd6de | 206 | const wxString& value, |
b782f2e0 VZ |
207 | const wxPoint& pos, |
208 | const wxSize& size, | |
209 | long style, | |
210 | int min, int max, int initial, | |
211 | const wxString& name) | |
212 | { | |
213 | // before using DoGetBestSize(), have to set style to let the base class | |
214 | // know whether this is a horizontal or vertical control (we're always | |
215 | // vertical) | |
882a8f40 VZ |
216 | style |= wxSP_VERTICAL; |
217 | SetWindowStyle(style); | |
b782f2e0 VZ |
218 | |
219 | // calculate the sizes: the size given is the toal size for both controls | |
220 | // and we need to fit them both in the given width (height is the same) | |
221 | wxSize sizeText(size), sizeBtn(size); | |
222 | sizeBtn.x = wxSpinButton::DoGetBestSize().x; | |
baccb514 VZ |
223 | if ( sizeText.x <= 0 ) |
224 | { | |
225 | // DEFAULT_ITEM_WIDTH is the default width for the text control | |
226 | sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x; | |
227 | } | |
228 | ||
b782f2e0 VZ |
229 | sizeText.x -= sizeBtn.x + MARGIN_BETWEEN; |
230 | if ( sizeText.x <= 0 ) | |
231 | { | |
232 | wxLogDebug(_T("not enough space for wxSpinCtrl!")); | |
233 | } | |
234 | ||
235 | wxPoint posBtn(pos); | |
236 | posBtn.x += sizeText.x + MARGIN_BETWEEN; | |
237 | ||
238 | // create the spin button | |
239 | if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) ) | |
240 | { | |
241 | return FALSE; | |
242 | } | |
243 | ||
244 | SetRange(min, max); | |
245 | SetValue(initial); | |
246 | ||
e3582f7f JS |
247 | bool want3D; |
248 | WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); | |
249 | int msStyle = WS_CHILD; | |
250 | ||
251 | // Even with extended styles, need to combine with WS_BORDER for them to | |
252 | // look right. | |
253 | if ( want3D || wxStyleHasBorder(style) ) | |
254 | msStyle |= WS_BORDER; | |
255 | ||
b0766406 JS |
256 | if ( style & wxCLIP_SIBLINGS ) |
257 | msStyle |= WS_CLIPSIBLINGS; | |
258 | ||
b782f2e0 | 259 | // create the text window |
b782f2e0 VZ |
260 | m_hwndBuddy = (WXHWND)::CreateWindowEx |
261 | ( | |
e3582f7f | 262 | exStyle, // sunken border |
baccb514 VZ |
263 | _T("EDIT"), // window class |
264 | NULL, // no window title | |
e3582f7f | 265 | msStyle /* | WS_CLIPSIBLINGS */, // style (will be shown later) |
baccb514 VZ |
266 | pos.x, pos.y, // position |
267 | 0, 0, // size (will be set later) | |
268 | GetHwndOf(parent), // parent | |
269 | (HMENU)-1, // control id | |
270 | wxGetInstance(), // app instance | |
271 | NULL // unused client data | |
b782f2e0 VZ |
272 | ); |
273 | ||
274 | if ( !m_hwndBuddy ) | |
275 | { | |
f6bcfd97 | 276 | wxLogLastError(wxT("CreateWindow(buddy text window)")); |
b782f2e0 VZ |
277 | |
278 | return FALSE; | |
279 | } | |
280 | ||
f6bcfd97 | 281 | // subclass the text ctrl to be able to intercept some events |
6fe19057 VZ |
282 | m_wndProcBuddy = (WXFARPROC)::GetWindowLong(GetBuddyHwnd(), GWL_WNDPROC); |
283 | ::SetWindowLong(GetBuddyHwnd(), GWL_USERDATA, (LONG)this); | |
284 | ::SetWindowLong(GetBuddyHwnd(), GWL_WNDPROC, (LONG)wxBuddyTextWndProc); | |
f6bcfd97 | 285 | |
b782f2e0 | 286 | // should have the same font as the other controls |
baccb514 VZ |
287 | SetFont(GetParent()->GetFont()); |
288 | ||
289 | // set the size of the text window - can do it only now, because we | |
290 | // couldn't call DoGetBestSize() before as font wasn't set | |
291 | if ( sizeText.y <= 0 ) | |
292 | { | |
882a8f40 VZ |
293 | int cx, cy; |
294 | wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); | |
295 | ||
296 | sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); | |
baccb514 VZ |
297 | } |
298 | ||
299 | DoMoveWindow(pos.x, pos.y, | |
300 | sizeText.x + sizeBtn.x + MARGIN_BETWEEN, sizeText.y); | |
301 | ||
6fe19057 | 302 | (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW); |
b782f2e0 VZ |
303 | |
304 | // associate the text window with the spin button | |
baccb514 VZ |
305 | (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0); |
306 | ||
678cd6de VZ |
307 | if ( !value.IsEmpty() ) |
308 | { | |
309 | SetValue(value); | |
310 | } | |
311 | ||
6fe19057 VZ |
312 | // do it after finishing with m_hwndBuddy creation to avoid generating |
313 | // initial wxEVT_COMMAND_TEXT_UPDATED message | |
314 | ms_allSpins.Add(this); | |
315 | ||
baccb514 VZ |
316 | return TRUE; |
317 | } | |
318 | ||
f6bcfd97 BP |
319 | wxSpinCtrl::~wxSpinCtrl() |
320 | { | |
6fe19057 VZ |
321 | ms_allSpins.Remove(this); |
322 | ||
5648c0ad JS |
323 | // This removes spurious memory leak reporting |
324 | if (ms_allSpins.GetCount() == 0) | |
325 | ms_allSpins.Clear(); | |
326 | ||
f6bcfd97 BP |
327 | // destroy the buddy window because this pointer which wxBuddyTextWndProc |
328 | // uses will not soon be valid any more | |
6fe19057 | 329 | ::DestroyWindow(GetBuddyHwnd()); |
f6bcfd97 BP |
330 | } |
331 | ||
678cd6de VZ |
332 | // ---------------------------------------------------------------------------- |
333 | // wxTextCtrl-like methods | |
334 | // ---------------------------------------------------------------------------- | |
335 | ||
336 | void wxSpinCtrl::SetValue(const wxString& text) | |
337 | { | |
6fe19057 | 338 | if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) ) |
678cd6de | 339 | { |
f6bcfd97 | 340 | wxLogLastError(wxT("SetWindowText(buddy)")); |
678cd6de VZ |
341 | } |
342 | } | |
343 | ||
344 | int wxSpinCtrl::GetValue() const | |
345 | { | |
346 | wxString val = wxGetWindowText(m_hwndBuddy); | |
347 | ||
348 | long n; | |
349 | if ( (wxSscanf(val, wxT("%lu"), &n) != 1) ) | |
350 | n = INT_MIN; | |
351 | ||
352 | return n; | |
353 | } | |
354 | ||
07901ec9 VZ |
355 | void wxSpinCtrl::SetSelection(long from, long to) |
356 | { | |
357 | // if from and to are both -1, it means (in wxWindows) that all text should | |
358 | // be selected - translate into Windows convention | |
359 | if ( (from == -1) && (to == -1) ) | |
360 | { | |
361 | from = 0; | |
362 | } | |
363 | ||
364 | ::SendMessage((HWND)m_hwndBuddy, EM_SETSEL, (WPARAM)from, (LPARAM)to); | |
365 | } | |
366 | ||
baccb514 | 367 | // ---------------------------------------------------------------------------- |
882a8f40 | 368 | // forward some methods to subcontrols |
baccb514 VZ |
369 | // ---------------------------------------------------------------------------- |
370 | ||
371 | bool wxSpinCtrl::SetFont(const wxFont& font) | |
372 | { | |
373 | if ( !wxWindowBase::SetFont(font) ) | |
374 | { | |
375 | // nothing to do | |
376 | return FALSE; | |
377 | } | |
378 | ||
379 | WXHANDLE hFont = GetFont().GetResourceHandle(); | |
6fe19057 | 380 | (void)::SendMessage(GetBuddyHwnd(), WM_SETFONT, (WPARAM)hFont, TRUE); |
b782f2e0 VZ |
381 | |
382 | return TRUE; | |
383 | } | |
384 | ||
882a8f40 VZ |
385 | bool wxSpinCtrl::Show(bool show) |
386 | { | |
387 | if ( !wxControl::Show(show) ) | |
388 | { | |
389 | return FALSE; | |
390 | } | |
391 | ||
6fe19057 | 392 | ::ShowWindow(GetBuddyHwnd(), show ? SW_SHOW : SW_HIDE); |
882a8f40 VZ |
393 | |
394 | return TRUE; | |
395 | } | |
396 | ||
397 | bool wxSpinCtrl::Enable(bool enable) | |
398 | { | |
399 | if ( !wxControl::Enable(enable) ) | |
400 | { | |
401 | return FALSE; | |
402 | } | |
403 | ||
6fe19057 | 404 | ::EnableWindow(GetBuddyHwnd(), enable); |
882a8f40 VZ |
405 | |
406 | return TRUE; | |
407 | } | |
408 | ||
8bf3196d GRG |
409 | void wxSpinCtrl::SetFocus() |
410 | { | |
6fe19057 | 411 | ::SetFocus(GetBuddyHwnd()); |
8bf3196d GRG |
412 | } |
413 | ||
9750fc42 VZ |
414 | // ---------------------------------------------------------------------------- |
415 | // event processing | |
416 | // ---------------------------------------------------------------------------- | |
417 | ||
418 | void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin) | |
419 | { | |
420 | wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId()); | |
421 | event.SetEventObject(this); | |
422 | event.SetInt(eventSpin.GetPosition()); | |
423 | ||
424 | (void)GetEventHandler()->ProcessEvent(event); | |
425 | ||
426 | if ( eventSpin.GetSkipped() ) | |
427 | { | |
428 | event.Skip(); | |
429 | } | |
430 | } | |
431 | ||
b782f2e0 VZ |
432 | // ---------------------------------------------------------------------------- |
433 | // size calculations | |
434 | // ---------------------------------------------------------------------------- | |
435 | ||
f68586e5 | 436 | wxSize wxSpinCtrl::DoGetBestSize() const |
baccb514 VZ |
437 | { |
438 | wxSize sizeBtn = wxSpinButton::DoGetBestSize(); | |
439 | sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN; | |
440 | ||
441 | int y; | |
442 | wxGetCharSize(GetHWND(), NULL, &y, &GetFont()); | |
443 | y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y); | |
444 | ||
445 | if ( sizeBtn.y < y ) | |
446 | { | |
447 | // make the text tall enough | |
448 | sizeBtn.y = y; | |
449 | } | |
450 | ||
451 | return sizeBtn; | |
452 | } | |
453 | ||
b782f2e0 VZ |
454 | void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height) |
455 | { | |
baccb514 | 456 | int widthBtn = wxSpinButton::DoGetBestSize().x; |
b782f2e0 VZ |
457 | int widthText = width - widthBtn - MARGIN_BETWEEN; |
458 | if ( widthText <= 0 ) | |
459 | { | |
460 | wxLogDebug(_T("not enough space for wxSpinCtrl!")); | |
461 | } | |
462 | ||
6fe19057 | 463 | if ( !::MoveWindow(GetBuddyHwnd(), x, y, widthText, height, TRUE) ) |
b782f2e0 | 464 | { |
f6bcfd97 | 465 | wxLogLastError(wxT("MoveWindow(buddy)")); |
b782f2e0 VZ |
466 | } |
467 | ||
468 | x += widthText + MARGIN_BETWEEN; | |
469 | if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) ) | |
470 | { | |
f6bcfd97 | 471 | wxLogLastError(wxT("MoveWindow")); |
b782f2e0 VZ |
472 | } |
473 | } | |
474 | ||
f6bcfd97 BP |
475 | // get total size of the control |
476 | void wxSpinCtrl::DoGetSize(int *x, int *y) const | |
477 | { | |
478 | RECT spinrect, textrect, ctrlrect; | |
479 | GetWindowRect(GetHwnd(), &spinrect); | |
6fe19057 | 480 | GetWindowRect(GetBuddyHwnd(), &textrect); |
f6bcfd97 BP |
481 | UnionRect(&ctrlrect,&textrect, &spinrect); |
482 | ||
483 | if ( x ) | |
484 | *x = ctrlrect.right - ctrlrect.left; | |
485 | if ( y ) | |
486 | *y = ctrlrect.bottom - ctrlrect.top; | |
487 | } | |
488 | ||
489 | void wxSpinCtrl::DoGetPosition(int *x, int *y) const | |
490 | { | |
491 | // hack: pretend that our HWND is the text control just for a moment | |
492 | WXHWND hWnd = GetHWND(); | |
493 | wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy; | |
494 | ||
495 | wxSpinButton::DoGetPosition(x, y); | |
496 | ||
497 | wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd; | |
498 | } | |
499 | ||
b782f2e0 | 500 | #endif // __WIN95__ |
0e528b99 JS |
501 | |
502 | #endif | |
503 | // wxUSE_SPINCTRL | |
504 |