]> git.saurik.com Git - wxWidgets.git/blame - src/msw/spinctrl.cpp
No real changes, just refactor wxControlContainer code a little.
[wxWidgets.git] / src / msw / spinctrl.cpp
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b782f2e0 1/////////////////////////////////////////////////////////////////////////////
623d5f80 2// Name: src/msw/spinctrl.cpp
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3// Purpose: wxSpinCtrl class implementation for Win32
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 22.07.99
7// RCS-ID: $Id$
74124ea9 8// Copyright: (c) 1999-2005 Vadim Zeitlin
65571936 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
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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
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27#if wxUSE_SPINCTRL
28
b782f2e0 29#include "wx/spinctrl.h"
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30
31#ifndef WX_PRECOMP
7ee21e3a 32 #include "wx/hashmap.h"
57bd4c60 33 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
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34 #include "wx/event.h"
35 #include "wx/textctrl.h"
193d0c93 36 #include "wx/wxcrtvararg.h"
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37#endif
38
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39#include "wx/msw/private.h"
40
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41#if wxUSE_TOOLTIPS
42 #include "wx/tooltip.h"
43#endif // wxUSE_TOOLTIPS
b782f2e0 44
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45#include <limits.h> // for INT_MIN
46
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47// ----------------------------------------------------------------------------
48// macros
49// ----------------------------------------------------------------------------
50
9750fc42 51BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
e3582f7f 52 EVT_CHAR(wxSpinCtrl::OnChar)
c5c04fab 53 EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
4a528443 54 EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)
9750fc42 55END_EVENT_TABLE()
b782f2e0 56
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57#define GetBuddyHwnd() (HWND)(m_hwndBuddy)
58
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59// ----------------------------------------------------------------------------
60// constants
61// ----------------------------------------------------------------------------
62
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63// the margin between the up-down control and its buddy (can be arbitrary,
64// choose what you like - or may be decide during run-time depending on the
65// font size?)
66static const int MARGIN_BETWEEN = 1;
b782f2e0 67
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68
69// ---------------------------------------------------------------------------
70// global vars
71// ---------------------------------------------------------------------------
72
73namespace
74{
75
76// Global hash used to find the spin control corresponding to the given buddy
77// text control HWND.
78WX_DECLARE_HASH_MAP(HWND, wxSpinCtrl *,
79 wxPointerHash, wxPointerEqual,
80 SpinForTextCtrl);
81
82SpinForTextCtrl gs_spinForTextCtrl;
83
84} // anonymous namespace
85
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86// ============================================================================
87// implementation
88// ============================================================================
89
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90// ----------------------------------------------------------------------------
91// wnd proc for the buddy text ctrl
92// ----------------------------------------------------------------------------
93
94LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
95 UINT message,
96 WPARAM wParam,
97 LPARAM lParam)
98{
7ee21e3a 99 wxSpinCtrl * const spin = wxSpinCtrl::GetSpinForTextCtrl(hwnd);
f6bcfd97 100
5a0b1008 101 // forward some messages (mostly the key and focus ones) to the spin ctrl
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102 switch ( message )
103 {
93c4157c 104 case WM_SETFOCUS:
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105 // if the focus comes from the spin control itself, don't set it
106 // back to it -- we don't want to go into an infinite loop
c140b7e7 107 if ( (WXHWND)wParam == spin->GetHWND() )
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108 break;
109 //else: fall through
110
93c4157c 111 case WM_KILLFOCUS:
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112 case WM_CHAR:
113 case WM_DEADCHAR:
114 case WM_KEYUP:
115 case WM_KEYDOWN:
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116#ifdef WM_HELP
117 // we need to forward WM_HELP too to ensure that the context help
118 // associated with wxSpinCtrl is shown when the text control part of it
119 // is clicked with the "?" cursor
120 case WM_HELP:
121#endif
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122 {
123 WXLRESULT result;
124 if ( spin->MSWHandleMessage(&result, message, wParam, lParam) )
125 {
126 // Do not let the message be processed by the window proc
127 // of the text control if it had been already handled at wx
128 // level, this is consistent with what happens for normal,
129 // non-composite controls.
130 return 0;
131 }
132
133 // The control may have been deleted at this point, so check.
134 if ( !::IsWindow(hwnd) )
135 return 0;
136 }
f6bcfd97 137 break;
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138
139 case WM_GETDLGCODE:
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140 if ( spin->HasFlag(wxTE_PROCESS_ENTER) )
141 {
142 long dlgCode = ::CallWindowProc
143 (
144 CASTWNDPROC spin->GetBuddyWndProc(),
145 hwnd,
146 message,
147 wParam,
148 lParam
149 );
150 dlgCode |= DLGC_WANTMESSAGE;
151 return dlgCode;
152 }
153 break;
f6bcfd97 154 }
350ba193 155
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156 return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
157 hwnd, message, wParam, lParam);
158}
159
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160/* static */
161wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
162{
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163 const SpinForTextCtrl::const_iterator
164 it = gs_spinForTextCtrl.find(hwndBuddy);
165 if ( it == gs_spinForTextCtrl.end() )
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166 return NULL;
167
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168 wxSpinCtrl * const spin = it->second;
169
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170 // sanity check
171 wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,
9a83f860 172 wxT("wxSpinCtrl has incorrect buddy HWND!") );
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173
174 return spin;
175}
176
177// process a WM_COMMAND generated by the buddy text control
178bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
179{
ea6cbf48 180 if ( (cmd == EN_CHANGE) && (!m_blockEvent ))
6fe19057 181 {
ce7fe42e 182 wxCommandEvent event(wxEVT_TEXT, GetId());
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183 event.SetEventObject(this);
184 wxString val = wxGetWindowText(m_hwndBuddy);
185 event.SetString(val);
186 event.SetInt(GetValue());
937013e0 187 return HandleWindowEvent(event);
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188 }
189
190 // not processed
57f4f925 191 return false;
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192}
193
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194void wxSpinCtrl::OnChar(wxKeyEvent& event)
195{
77e00fe9 196 switch ( event.GetKeyCode() )
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197 {
198 case WXK_RETURN:
199 {
ce7fe42e 200 wxCommandEvent event(wxEVT_TEXT_ENTER, m_windowId);
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201 InitCommandEvent(event);
202 wxString val = wxGetWindowText(m_hwndBuddy);
203 event.SetString(val);
204 event.SetInt(GetValue());
937013e0 205 if ( HandleWindowEvent(event) )
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206 return;
207 break;
208 }
209
210 case WXK_TAB:
211 // always produce navigation event - even if we process TAB
212 // ourselves the fact that we got here means that the user code
213 // decided to skip processing of this TAB - probably to let it
214 // do its default job.
215 {
216 wxNavigationKeyEvent eventNav;
217 eventNav.SetDirection(!event.ShiftDown());
218 eventNav.SetWindowChange(event.ControlDown());
219 eventNav.SetEventObject(this);
220
937013e0 221 if ( GetParent()->HandleWindowEvent(eventNav) )
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222 return;
223 }
224 break;
225 }
226
227 // no, we didn't process it
228 event.Skip();
229}
230
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231void wxSpinCtrl::OnKillFocus(wxFocusEvent& event)
232{
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233 // ensure that a correct value is shown by the control
234 NormalizeValue();
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235 event.Skip();
236}
237
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238void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
239{
240 // when we get focus, give it to our buddy window as it needs it more than
241 // we do
242 ::SetFocus((HWND)m_hwndBuddy);
243
244 event.Skip();
245}
246
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247void wxSpinCtrl::NormalizeValue()
248{
e816f5c7 249 const int value = GetValue();
d40e9e06 250 const bool changed = value != m_oldValue;
e816f5c7 251
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252 // notice that we have to call SetValue() even if the value didn't change
253 // because otherwise we could be left with empty buddy control when value
254 // is 0, see comment in SetValue()
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255 SetValue(value);
256
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257 if ( changed )
258 {
d40e9e06 259 SendSpinUpdate(value);
b6d83018 260 }
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261}
262
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263// ----------------------------------------------------------------------------
264// construction
265// ----------------------------------------------------------------------------
266
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267void wxSpinCtrl::Init()
268{
269 m_blockEvent = false;
270 m_hwndBuddy = NULL;
271 m_wndProcBuddy = NULL;
272 m_oldValue = INT_MIN;
273}
274
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275bool wxSpinCtrl::Create(wxWindow *parent,
276 wxWindowID id,
678cd6de 277 const wxString& value,
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278 const wxPoint& pos,
279 const wxSize& size,
280 long style,
281 int min, int max, int initial,
282 const wxString& name)
283{
284 // before using DoGetBestSize(), have to set style to let the base class
285 // know whether this is a horizontal or vertical control (we're always
286 // vertical)
882a8f40 287 style |= wxSP_VERTICAL;
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288
289 if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
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290#ifdef __WXWINCE__
291 style |= wxBORDER_SIMPLE;
292#else
c76b1a30 293 style |= wxBORDER_SUNKEN;
5d72f195 294#endif
c76b1a30 295
882a8f40 296 SetWindowStyle(style);
b782f2e0 297
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298 WXDWORD exStyle = 0;
299 WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
300
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301 // Scroll text automatically if there is not enough space to show all of
302 // it, this is better than not allowing to enter more digits at all.
303 msStyle |= ES_AUTOHSCROLL;
304
7e4952db 305 // propagate text alignment style to text ctrl
f1ddb476 306 if ( style & wxALIGN_RIGHT )
7e4952db 307 msStyle |= ES_RIGHT;
f1ddb476 308 else if ( style & wxALIGN_CENTER )
7e4952db 309 msStyle |= ES_CENTER;
f1ddb476 310
8e190f0e 311 // calculate the sizes: the size given is the total size for both controls
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312 // and we need to fit them both in the given width (height is the same)
313 wxSize sizeText(size), sizeBtn(size);
314 sizeBtn.x = wxSpinButton::DoGetBestSize().x;
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315 if ( sizeText.x <= 0 )
316 {
317 // DEFAULT_ITEM_WIDTH is the default width for the text control
318 sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x;
319 }
320
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321 sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
322 if ( sizeText.x <= 0 )
323 {
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324 wxLogDebug(wxS("wxSpinCtrl \"%s\": initial width %d is too small, ")
325 wxS("at least %d pixels needed."),
326 name, size.x, sizeBtn.x + MARGIN_BETWEEN + 1);
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327 }
328
329 wxPoint posBtn(pos);
330 posBtn.x += sizeText.x + MARGIN_BETWEEN;
331
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332 // we must create the text control before the spin button for the purpose
333 // of the dialog navigation: if there is a static text just before the spin
334 // control, activating it by Alt-letter should give focus to the text
335 // control, not the spin and the dialog navigation code will give focus to
336 // the next control (at Windows level), not the one after it
b782f2e0 337
c5c04fab 338 // create the text window
b782f2e0 339
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340 m_hwndBuddy = (WXHWND)::CreateWindowEx
341 (
c5c04fab 342 exStyle, // sunken border
9a83f860 343 wxT("EDIT"), // window class
baccb514 344 NULL, // no window title
c5c04fab 345 msStyle, // style (will be shown later)
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346 pos.x, pos.y, // position
347 0, 0, // size (will be set later)
348 GetHwndOf(parent), // parent
349 (HMENU)-1, // control id
350 wxGetInstance(), // app instance
351 NULL // unused client data
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352 );
353
354 if ( !m_hwndBuddy )
355 {
f6bcfd97 356 wxLogLastError(wxT("CreateWindow(buddy text window)"));
b782f2e0 357
57f4f925 358 return false;
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359 }
360
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361
362 // create the spin button
363 if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
364 {
57f4f925 365 return false;
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366 }
367
23ec96e3 368 wxSpinButtonBase::SetRange(min, max);
e816f5c7 369
f6bcfd97 370 // subclass the text ctrl to be able to intercept some events
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371 gs_spinForTextCtrl[GetBuddyHwnd()] = this;
372
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373 m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(),
374 wxBuddyTextWndProc);
f6bcfd97 375
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376 // set up fonts and colours (This is nomally done in MSWCreateControl)
377 InheritAttributes();
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378 if (!m_hasFont)
379 SetFont(GetDefaultAttributes().font);
8d2e831b 380
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381 // set the size of the text window - can do it only now, because we
382 // couldn't call DoGetBestSize() before as font wasn't set
383 if ( sizeText.y <= 0 )
384 {
882a8f40 385 int cx, cy;
7a5e53ab 386 wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
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387
388 sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
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389 }
390
170acdc9 391 SetInitialSize(size);
baccb514 392
6fe19057 393 (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
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394
395 // associate the text window with the spin button
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396 (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
397
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398 // If the initial text value is actually a number, it overrides the
399 // "initial" argument specified later.
400 long initialFromText;
401 if ( value.ToLong(&initialFromText) )
402 initial = initialFromText;
403
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404 // Set the range in the native control: notice that we must do it before
405 // calling SetValue() to use the correct validity checks for the initial
406 // value.
549cc3a8 407 SetRange(min, max);
fe218f1e 408 SetValue(initial);
549cc3a8 409
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410 // Also set the text part of the control if it was specified independently
411 // but don't generate an event for this, it would be unexpected.
412 m_blockEvent = true;
413 if ( !value.empty() )
678cd6de 414 SetValue(value);
6e36db5e 415 m_blockEvent = false;
678cd6de 416
57f4f925 417 return true;
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418}
419
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420wxSpinCtrl::~wxSpinCtrl()
421{
422 // destroy the buddy window because this pointer which wxBuddyTextWndProc
423 // uses will not soon be valid any more
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424 ::DestroyWindow( GetBuddyHwnd() );
425
426 gs_spinForTextCtrl.erase(GetBuddyHwnd());
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427}
428
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429// ----------------------------------------------------------------------------
430// wxSpinCtrl-specific methods
431// ----------------------------------------------------------------------------
432
433int wxSpinCtrl::GetBase() const
434{
435 return ::SendMessage(GetHwnd(), UDM_GETBASE, 0, 0);
436}
437
438bool wxSpinCtrl::SetBase(int base)
439{
440 if ( !::SendMessage(GetHwnd(), UDM_SETBASE, base, 0) )
441 return false;
442
443 // Whether we need to be able enter "x" or not influences whether we should
444 // use ES_NUMBER for the buddy control.
445 UpdateBuddyStyle();
446
447 return true;
448}
449
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450// ----------------------------------------------------------------------------
451// wxTextCtrl-like methods
452// ----------------------------------------------------------------------------
453
454void wxSpinCtrl::SetValue(const wxString& text)
455{
6fe19057 456 if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) )
678cd6de 457 {
f6bcfd97 458 wxLogLastError(wxT("SetWindowText(buddy)"));
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459 }
460}
461
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462void wxSpinCtrl::SetValue(int val)
463{
ea6cbf48 464 m_blockEvent = true;
f1ddb476 465
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466 wxSpinButton::SetValue(val);
467
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468 // Normally setting the value of the spin button is enough as it updates
469 // its buddy control automatically but in a couple of situations it doesn't
470 // do it, for whatever reason, do it explicitly then:
471 const wxString text = wxGetWindowText(m_hwndBuddy);
472
473 // First case is when the text control is empty and the value is 0: the
474 // spin button just leaves it empty in this case, while we want to show 0
475 // in it.
476 if ( text.empty() && !val )
477 {
478 ::SetWindowText(GetBuddyHwnd(), wxT("0"));
479 }
480
481 // Another one is when we're using hexadecimal base but the user input
482 // doesn't start with "0x" -- we prefer to show it to avoid ambiguity
483 // between decimal and hexadecimal.
484 if ( GetBase() == 16 &&
485 (text.length() < 3 || text[0] != '0' ||
486 (text[1] != 'x' && text[1] != 'X')) )
eeea41ab 487 {
e0a050e3 488 ::SetWindowText(GetBuddyHwnd(),
9e565667 489 wxPrivate::wxSpinCtrlFormatAsHex(val, m_max).t_str());
eeea41ab 490 }
e816f5c7 491
25dff19c 492 m_oldValue = GetValue();
f1ddb476 493
ea6cbf48 494 m_blockEvent = false;
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495}
496
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497int wxSpinCtrl::GetValue() const
498{
9e565667 499 const wxString val = wxGetWindowText(m_hwndBuddy);
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500
501 long n;
9e565667 502 if ( !val.ToLong(&n, GetBase()) )
678cd6de 503 n = INT_MIN;
3d104ec3 504
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505 if ( n < m_min )
506 n = m_min;
507 if ( n > m_max )
508 n = m_max;
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509
510 return n;
511}
512
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513void wxSpinCtrl::SetSelection(long from, long to)
514{
77ffb593 515 // if from and to are both -1, it means (in wxWidgets) that all text should
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516 // be selected - translate into Windows convention
517 if ( (from == -1) && (to == -1) )
518 {
519 from = 0;
520 }
521
7d86a2d4 522 ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to);
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523}
524
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525// ----------------------------------------------------------------------------
526// wxSpinButton methods
527// ----------------------------------------------------------------------------
528
529void wxSpinCtrl::SetRange(int minVal, int maxVal)
530{
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531 // Manually adjust the old value to avoid an event being sent from
532 // NormalizeValue() called from inside the base class SetRange() as we're
533 // not supposed to generate any events from here.
534 if ( m_oldValue < minVal )
535 m_oldValue = minVal;
536 else if ( m_oldValue > maxVal )
537 m_oldValue = maxVal;
538
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539 wxSpinButton::SetRange(minVal, maxVal);
540
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541 UpdateBuddyStyle();
542}
543
544void wxSpinCtrl::UpdateBuddyStyle()
545{
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546 // this control is used for numeric entry so restrict the input to numeric
547 // keys only -- but only if we don't need to be able to enter "-" in it as
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548 // otherwise this would become impossible and also if we don't use
549 // hexadecimal as entering "x" of the "0x" prefix wouldn't be allowed
550 // neither then
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551 const DWORD styleOld = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE);
552 DWORD styleNew;
9e565667 553 if ( m_min < 0 || GetBase() != 10 )
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554 styleNew = styleOld & ~ES_NUMBER;
555 else
556 styleNew = styleOld | ES_NUMBER;
557
558 if ( styleNew != styleOld )
559 ::SetWindowLong(GetBuddyHwnd(), GWL_STYLE, styleNew);
560}
561
baccb514 562// ----------------------------------------------------------------------------
882a8f40 563// forward some methods to subcontrols
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564// ----------------------------------------------------------------------------
565
566bool wxSpinCtrl::SetFont(const wxFont& font)
567{
568 if ( !wxWindowBase::SetFont(font) )
569 {
570 // nothing to do
57f4f925 571 return false;
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572 }
573
574 WXHANDLE hFont = GetFont().GetResourceHandle();
6fe19057 575 (void)::SendMessage(GetBuddyHwnd(), WM_SETFONT, (WPARAM)hFont, TRUE);
b782f2e0 576
57f4f925 577 return true;
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578}
579
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580bool wxSpinCtrl::Show(bool show)
581{
582 if ( !wxControl::Show(show) )
583 {
57f4f925 584 return false;
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585 }
586
6fe19057 587 ::ShowWindow(GetBuddyHwnd(), show ? SW_SHOW : SW_HIDE);
882a8f40 588
57f4f925 589 return true;
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590}
591
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592bool wxSpinCtrl::Reparent(wxWindowBase *newParent)
593{
594 // Reparenting both the updown control and its buddy does not seem to work:
595 // they continue to be connected somehow, but visually there is no feedback
596 // on the buddy edit control. To avoid this problem, we reparent the buddy
597 // window normally, but we recreate the updown control and reassign its
598 // buddy.
599
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600 // Get the position before changing the parent as it would be offset after
601 // changing it.
602 const wxRect rect = GetRect();
603
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604 if ( !wxWindowBase::Reparent(newParent) )
605 return false;
606
607 newParent->GetChildren().DeleteObject(this);
608
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609 // destroy the old spin button after detaching it from this wxWindow object
610 // (notice that m_hWnd will be reset by UnsubclassWin() so save it first)
611 const HWND hwndOld = GetHwnd();
03d4194d 612 UnsubclassWin();
bc73fe96 613 if ( !::DestroyWindow(hwndOld) )
43b2d5e7 614 {
03d4194d 615 wxLogLastError(wxT("DestroyWindow"));
43b2d5e7 616 }
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617
618 // create and initialize the new one
619 if ( !wxSpinButton::Create(GetParent(), GetId(),
03263ff7 620 rect.GetPosition(), rect.GetSize(),
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621 GetWindowStyle(), GetName()) )
622 return false;
623
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624 // reapply our values to wxSpinButton
625 wxSpinButton::SetValue(GetValue());
03d4194d 626 SetRange(m_min, m_max);
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627
628 // also set the size again with wxSIZE_ALLOW_MINUS_ONE flag: this is
629 // necessary if our original position used -1 for either x or y
630 SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
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631
632 // associate it with the buddy control again
633 ::SetParent(GetBuddyHwnd(), GetHwndOf(GetParent()));
634 (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)GetBuddyHwnd(), 0);
635
636 return true;
637}
638
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639bool wxSpinCtrl::Enable(bool enable)
640{
641 if ( !wxControl::Enable(enable) )
642 {
57f4f925 643 return false;
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644 }
645
0826c4d3 646 MSWEnableHWND(GetBuddyHwnd(), enable);
882a8f40 647
57f4f925 648 return true;
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649}
650
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651void wxSpinCtrl::SetFocus()
652{
6fe19057 653 ::SetFocus(GetBuddyHwnd());
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654}
655
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656#if wxUSE_TOOLTIPS
657
658void wxSpinCtrl::DoSetToolTip(wxToolTip *tip)
659{
660 wxSpinButton::DoSetToolTip(tip);
661
662 if ( tip )
f7dd07f6 663 tip->AddOtherWindow(m_hwndBuddy);
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664}
665
666#endif // wxUSE_TOOLTIPS
667
9750fc42 668// ----------------------------------------------------------------------------
d40e9e06 669// events processing and generation
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670// ----------------------------------------------------------------------------
671
d40e9e06 672void wxSpinCtrl::SendSpinUpdate(int value)
9750fc42 673{
ce7fe42e 674 wxCommandEvent event(wxEVT_SPINCTRL, GetId());
9750fc42 675 event.SetEventObject(this);
d40e9e06 676 event.SetInt(value);
e816f5c7 677
937013e0 678 (void)HandleWindowEvent(event);
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679
680 m_oldValue = value;
681}
9750fc42 682
177e38e6 683bool wxSpinCtrl::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
63420bcc 684 WXWORD WXUNUSED(pos), WXHWND control)
d40e9e06 685{
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686 wxCHECK_MSG( control, false, wxT("scrolling what?") );
687
688 if ( wParam != SB_THUMBPOSITION )
9750fc42 689 {
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690 // probable SB_ENDSCROLL - we don't react to it
691 return false;
9750fc42 692 }
177e38e6 693
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694 // Notice that we can't use "pos" from WM_VSCROLL as it is 16 bit and we
695 // might be using 32 bit range.
696 int new_value = GetValue();
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697 if (m_oldValue != new_value)
698 SendSpinUpdate( new_value );
699
63420bcc 700 return true;
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701}
702
703bool wxSpinCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
704{
705 NM_UPDOWN *lpnmud = (NM_UPDOWN *)lParam;
706
707 if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control
708 return false;
709
710 *result = 0; // never reject UP and DOWN events
711
712 return TRUE;
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713}
714
177e38e6 715
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716// ----------------------------------------------------------------------------
717// size calculations
718// ----------------------------------------------------------------------------
719
f68586e5 720wxSize wxSpinCtrl::DoGetBestSize() const
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721{
722 return DoGetSizeFromTextSize(DEFAULT_ITEM_WIDTH);
723}
724
725wxSize wxSpinCtrl::DoGetSizeFromTextSize(int xlen, int ylen) const
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726{
727 wxSize sizeBtn = wxSpinButton::DoGetBestSize();
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728
729 int y;
7a5e53ab 730 wxGetCharSize(GetHWND(), NULL, &y, GetFont());
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731 // JACS: we should always use the height calculated
732 // from above, because otherwise we'll get a spin control
733 // that's too big. So never use the height calculated
734 // from wxSpinButton::DoGetBestSize().
57f4f925 735
2aa54d47 736 wxSize tsize(xlen + sizeBtn.x + MARGIN_BETWEEN + 3*y/10 + 10,
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737 EDIT_HEIGHT_FROM_CHAR_HEIGHT(y));
738
739 // Check if the user requested a non-standard height.
740 if ( ylen > 0 )
741 tsize.IncBy(0, ylen - y);
baccb514 742
40aa1a7e 743 return tsize;
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744}
745
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746void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
747{
baccb514 748 int widthBtn = wxSpinButton::DoGetBestSize().x;
b782f2e0 749 int widthText = width - widthBtn - MARGIN_BETWEEN;
f46e6a1e 750 if ( widthText < 0 )
b782f2e0 751 {
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752 // This can happen during the initial window layout when it's total
753 // size is too small to accommodate all the controls and usually is not
754 // a problem because the window will be relaid out with enough space
755 // later. Of course, if it isn't and this is our final size, then we
756 // have a real problem but as we don't know if this is going to be the
757 // case or not, just hope for the best -- we used to give a debug
758 // warning here and this was annoying as it could result in dozens of
759 // perfectly harmless warnings.
760 widthText = 0;
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761 }
762
8e44f3ca 763 // 1) The buddy window
7d86a2d4 764 DoMoveSibling(m_hwndBuddy, x, y, widthText, height);
b782f2e0 765
8e44f3ca 766 // 2) The button window
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767 if ( widthText > 0 )
768 x += widthText + MARGIN_BETWEEN;
7d86a2d4 769 wxSpinButton::DoMoveWindow(x, y, widthBtn, height);
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770}
771
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772// get total size of the control
773void wxSpinCtrl::DoGetSize(int *x, int *y) const
774{
775 RECT spinrect, textrect, ctrlrect;
776 GetWindowRect(GetHwnd(), &spinrect);
6fe19057 777 GetWindowRect(GetBuddyHwnd(), &textrect);
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778 UnionRect(&ctrlrect,&textrect, &spinrect);
779
780 if ( x )
781 *x = ctrlrect.right - ctrlrect.left;
782 if ( y )
783 *y = ctrlrect.bottom - ctrlrect.top;
784}
785
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786void wxSpinCtrl::DoGetClientSize(int *x, int *y) const
787{
788 RECT spinrect = wxGetClientRect(GetHwnd());
789 RECT textrect = wxGetClientRect(GetBuddyHwnd());
790 RECT ctrlrect;
791 UnionRect(&ctrlrect,&textrect, &spinrect);
792
793 if ( x )
794 *x = ctrlrect.right - ctrlrect.left;
795 if ( y )
796 *y = ctrlrect.bottom - ctrlrect.top;
797}
798
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799void wxSpinCtrl::DoGetPosition(int *x, int *y) const
800{
801 // hack: pretend that our HWND is the text control just for a moment
802 WXHWND hWnd = GetHWND();
803 wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy;
804
805 wxSpinButton::DoGetPosition(x, y);
806
807 wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
808}
809
74124ea9 810#endif // wxUSE_SPINCTRL