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supporting events also for root control (needed for event handling of mouse and paint...
[wxWidgets.git] / src / msw / spinctrl.cpp
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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
14f355c2 16#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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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
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36#if wxUSE_SPINCTRL
37
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38#if defined(__WIN95__)
39
40#include "wx/spinctrl.h"
41#include "wx/msw/private.h"
42
b39dbf34 43#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
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44 #include <commctrl.h>
45#endif
b782f2e0 46
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47#include <limits.h> // for INT_MIN
48
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49// ----------------------------------------------------------------------------
50// macros
51// ----------------------------------------------------------------------------
52
f0a126fe 53#if wxUSE_EXTENDED_RTTI
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54WX_DEFINE_FLAGS( wxSpinCtrlStyle )
55
3ff066a4 56wxBEGIN_FLAGS( wxSpinCtrlStyle )
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57 // new style border flags, we put them first to
58 // use them for streaming out
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59 wxFLAGS_MEMBER(wxBORDER_SIMPLE)
60 wxFLAGS_MEMBER(wxBORDER_SUNKEN)
61 wxFLAGS_MEMBER(wxBORDER_DOUBLE)
62 wxFLAGS_MEMBER(wxBORDER_RAISED)
63 wxFLAGS_MEMBER(wxBORDER_STATIC)
64 wxFLAGS_MEMBER(wxBORDER_NONE)
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65
66 // old style border flags
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67 wxFLAGS_MEMBER(wxSIMPLE_BORDER)
68 wxFLAGS_MEMBER(wxSUNKEN_BORDER)
69 wxFLAGS_MEMBER(wxDOUBLE_BORDER)
70 wxFLAGS_MEMBER(wxRAISED_BORDER)
71 wxFLAGS_MEMBER(wxSTATIC_BORDER)
cb0afb26 72 wxFLAGS_MEMBER(wxBORDER)
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73
74 // standard window styles
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75 wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
76 wxFLAGS_MEMBER(wxCLIP_CHILDREN)
77 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
78 wxFLAGS_MEMBER(wxWANTS_CHARS)
cb0afb26 79 wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
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80 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
81 wxFLAGS_MEMBER(wxVSCROLL)
82 wxFLAGS_MEMBER(wxHSCROLL)
83
84 wxFLAGS_MEMBER(wxSP_HORIZONTAL)
85 wxFLAGS_MEMBER(wxSP_VERTICAL)
86 wxFLAGS_MEMBER(wxSP_ARROW_KEYS)
87 wxFLAGS_MEMBER(wxSP_WRAP)
88
89wxEND_FLAGS( wxSpinCtrlStyle )
bc9fb572 90
51741307 91IMPLEMENT_DYNAMIC_CLASS_XTI(wxSpinCtrl, wxControl,"wx/spinbut.h")
9750fc42 92
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93wxBEGIN_PROPERTIES_TABLE(wxSpinCtrl)
94 wxEVENT_RANGE_PROPERTY( Spin , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxSpinEvent )
95 wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SPINCTRL_UPDATED , wxCommandEvent )
96 wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
97 wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
98
99 wxPROPERTY( ValueString , wxString , SetValue , GetValue , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) ;
100 wxPROPERTY( Value , int , SetValue, GetValue, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
101 wxPROPERTY( Min , int , SetMin, GetMin, 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
102 wxPROPERTY( Max , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
103 wxPROPERTY_FLAGS( WindowStyle , wxSpinCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
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104/*
105 TODO PROPERTIES
106 style wxSP_ARROW_KEYS
066f1b7a 107*/
3ff066a4 108wxEND_PROPERTIES_TABLE()
51741307 109
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110wxBEGIN_HANDLERS_TABLE(wxSpinCtrl)
111wxEND_HANDLERS_TABLE()
51741307 112
3ff066a4 113wxCONSTRUCTOR_6( wxSpinCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , ValueString , wxPoint , Position , wxSize , Size , long , WindowStyle )
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114#else
115IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
116#endif
066f1b7a 117
9750fc42 118BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
e3582f7f 119 EVT_CHAR(wxSpinCtrl::OnChar)
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120
121 EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
122
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123 EVT_SPIN(-1, wxSpinCtrl::OnSpinChange)
124END_EVENT_TABLE()
b782f2e0 125
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126#define GetBuddyHwnd() (HWND)(m_hwndBuddy)
127
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128// ----------------------------------------------------------------------------
129// constants
130// ----------------------------------------------------------------------------
131
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132// the margin between the up-down control and its buddy (can be arbitrary,
133// choose what you like - or may be decide during run-time depending on the
134// font size?)
135static const int MARGIN_BETWEEN = 1;
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136
137// ============================================================================
138// implementation
139// ============================================================================
140
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141wxArraySpins wxSpinCtrl::ms_allSpins;
142
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143// ----------------------------------------------------------------------------
144// wnd proc for the buddy text ctrl
145// ----------------------------------------------------------------------------
146
147LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
148 UINT message,
149 WPARAM wParam,
150 LPARAM lParam)
151{
975b6bcf 152 wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData(hwnd);
f6bcfd97 153
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154 // forward some messages (the key and focus ones only so far) to
155 // the spin ctrl
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156 switch ( message )
157 {
93c4157c 158 case WM_SETFOCUS:
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159 // if the focus comes from the spin control itself, don't set it
160 // back to it -- we don't want to go into an infinite loop
c140b7e7 161 if ( (WXHWND)wParam == spin->GetHWND() )
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162 break;
163 //else: fall through
164
93c4157c 165 case WM_KILLFOCUS:
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166 case WM_CHAR:
167 case WM_DEADCHAR:
168 case WM_KEYUP:
169 case WM_KEYDOWN:
170 spin->MSWWindowProc(message, wParam, lParam);
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171
172 // The control may have been deleted at this point, so check.
975b6bcf 173 if ( !::IsWindow(hwnd) || wxGetWindowUserData(hwnd) != spin )
e3582f7f 174 return 0;
f6bcfd97 175 break;
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176
177 case WM_GETDLGCODE:
178 // we want to get WXK_RETURN in order to generate the event for it
179 return DLGC_WANTCHARS;
f6bcfd97 180 }
350ba193 181
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182 return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
183 hwnd, message, wParam, lParam);
184}
185
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186/* static */
187wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
188{
975b6bcf 189 wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData((HWND)hwndBuddy);
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190
191 int i = ms_allSpins.Index(spin);
192
193 if ( i == wxNOT_FOUND )
194 return NULL;
195
196 // sanity check
197 wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,
198 _T("wxSpinCtrl has incorrect buddy HWND!") );
199
200 return spin;
201}
202
203// process a WM_COMMAND generated by the buddy text control
204bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
205{
e3582f7f 206 switch (cmd)
6fe19057 207 {
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208 case EN_CHANGE:
209 {
210 wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
211 event.SetEventObject(this);
212 wxString val = wxGetWindowText(m_hwndBuddy);
213 event.SetString(val);
214 event.SetInt(GetValue());
215 return GetEventHandler()->ProcessEvent(event);
216 }
217 case EN_SETFOCUS:
218 case EN_KILLFOCUS:
219 {
220 wxFocusEvent event(cmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
221 : wxEVT_SET_FOCUS,
222 m_windowId);
223 event.SetEventObject( this );
224 return GetEventHandler()->ProcessEvent(event);
225 }
226 default:
227 break;
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228 }
229
230 // not processed
231 return FALSE;
232}
233
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234void wxSpinCtrl::OnChar(wxKeyEvent& event)
235{
77e00fe9 236 switch ( event.GetKeyCode() )
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237 {
238 case WXK_RETURN:
239 {
240 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
241 InitCommandEvent(event);
242 wxString val = wxGetWindowText(m_hwndBuddy);
243 event.SetString(val);
244 event.SetInt(GetValue());
245 if ( GetEventHandler()->ProcessEvent(event) )
246 return;
247 break;
248 }
249
250 case WXK_TAB:
251 // always produce navigation event - even if we process TAB
252 // ourselves the fact that we got here means that the user code
253 // decided to skip processing of this TAB - probably to let it
254 // do its default job.
255 {
256 wxNavigationKeyEvent eventNav;
257 eventNav.SetDirection(!event.ShiftDown());
258 eventNav.SetWindowChange(event.ControlDown());
259 eventNav.SetEventObject(this);
260
261 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
262 return;
263 }
264 break;
265 }
266
267 // no, we didn't process it
268 event.Skip();
269}
270
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271void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
272{
273 // when we get focus, give it to our buddy window as it needs it more than
274 // we do
275 ::SetFocus((HWND)m_hwndBuddy);
276
277 event.Skip();
278}
279
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280// ----------------------------------------------------------------------------
281// construction
282// ----------------------------------------------------------------------------
283
284bool wxSpinCtrl::Create(wxWindow *parent,
285 wxWindowID id,
678cd6de 286 const wxString& value,
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287 const wxPoint& pos,
288 const wxSize& size,
289 long style,
290 int min, int max, int initial,
291 const wxString& name)
292{
293 // before using DoGetBestSize(), have to set style to let the base class
294 // know whether this is a horizontal or vertical control (we're always
295 // vertical)
882a8f40 296 style |= wxSP_VERTICAL;
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297
298 if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
299 style |= wxBORDER_SUNKEN;
300
882a8f40 301 SetWindowStyle(style);
b782f2e0 302
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303 WXDWORD exStyle = 0;
304 WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
305
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306 // calculate the sizes: the size given is the toal size for both controls
307 // and we need to fit them both in the given width (height is the same)
308 wxSize sizeText(size), sizeBtn(size);
309 sizeBtn.x = wxSpinButton::DoGetBestSize().x;
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310 if ( sizeText.x <= 0 )
311 {
312 // DEFAULT_ITEM_WIDTH is the default width for the text control
313 sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x;
314 }
315
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316 sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
317 if ( sizeText.x <= 0 )
318 {
319 wxLogDebug(_T("not enough space for wxSpinCtrl!"));
320 }
321
322 wxPoint posBtn(pos);
323 posBtn.x += sizeText.x + MARGIN_BETWEEN;
324
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325 // we must create the text control before the spin button for the purpose
326 // of the dialog navigation: if there is a static text just before the spin
327 // control, activating it by Alt-letter should give focus to the text
328 // control, not the spin and the dialog navigation code will give focus to
329 // the next control (at Windows level), not the one after it
b782f2e0 330
c5c04fab 331 // create the text window
b782f2e0 332
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333 m_hwndBuddy = (WXHWND)::CreateWindowEx
334 (
c5c04fab 335 exStyle, // sunken border
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336 _T("EDIT"), // window class
337 NULL, // no window title
c5c04fab 338 msStyle, // style (will be shown later)
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339 pos.x, pos.y, // position
340 0, 0, // size (will be set later)
341 GetHwndOf(parent), // parent
342 (HMENU)-1, // control id
343 wxGetInstance(), // app instance
344 NULL // unused client data
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345 );
346
347 if ( !m_hwndBuddy )
348 {
f6bcfd97 349 wxLogLastError(wxT("CreateWindow(buddy text window)"));
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350
351 return FALSE;
352 }
353
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354
355 // create the spin button
356 if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
357 {
358 return FALSE;
359 }
360
361 SetRange(min, max);
362 SetValue(initial);
363
f6bcfd97 364 // subclass the text ctrl to be able to intercept some events
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365 wxSetWindowUserData(GetBuddyHwnd(), this);
366 m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(),
367 wxBuddyTextWndProc);
f6bcfd97 368
b782f2e0 369 // should have the same font as the other controls
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370 SetFont(GetParent()->GetFont());
371
372 // set the size of the text window - can do it only now, because we
373 // couldn't call DoGetBestSize() before as font wasn't set
374 if ( sizeText.y <= 0 )
375 {
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376 int cx, cy;
377 wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
378
379 sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
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380 }
381
382 DoMoveWindow(pos.x, pos.y,
383 sizeText.x + sizeBtn.x + MARGIN_BETWEEN, sizeText.y);
384
6fe19057 385 (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
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386
387 // associate the text window with the spin button
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388 (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
389
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390 if ( !value.IsEmpty() )
391 {
392 SetValue(value);
393 }
394
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395 // do it after finishing with m_hwndBuddy creation to avoid generating
396 // initial wxEVT_COMMAND_TEXT_UPDATED message
397 ms_allSpins.Add(this);
398
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399 return TRUE;
400}
401
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402wxSpinCtrl::~wxSpinCtrl()
403{
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404 ms_allSpins.Remove(this);
405
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406 // This removes spurious memory leak reporting
407 if (ms_allSpins.GetCount() == 0)
408 ms_allSpins.Clear();
409
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410 // destroy the buddy window because this pointer which wxBuddyTextWndProc
411 // uses will not soon be valid any more
6fe19057 412 ::DestroyWindow(GetBuddyHwnd());
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413}
414
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415// ----------------------------------------------------------------------------
416// wxTextCtrl-like methods
417// ----------------------------------------------------------------------------
418
419void wxSpinCtrl::SetValue(const wxString& text)
420{
6fe19057 421 if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) )
678cd6de 422 {
f6bcfd97 423 wxLogLastError(wxT("SetWindowText(buddy)"));
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424 }
425}
426
427int wxSpinCtrl::GetValue() const
428{
429 wxString val = wxGetWindowText(m_hwndBuddy);
430
431 long n;
432 if ( (wxSscanf(val, wxT("%lu"), &n) != 1) )
433 n = INT_MIN;
434
435 return n;
436}
437
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438void wxSpinCtrl::SetSelection(long from, long to)
439{
440 // if from and to are both -1, it means (in wxWindows) that all text should
441 // be selected - translate into Windows convention
442 if ( (from == -1) && (to == -1) )
443 {
444 from = 0;
445 }
446
447 ::SendMessage((HWND)m_hwndBuddy, EM_SETSEL, (WPARAM)from, (LPARAM)to);
448}
449
baccb514 450// ----------------------------------------------------------------------------
882a8f40 451// forward some methods to subcontrols
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452// ----------------------------------------------------------------------------
453
454bool wxSpinCtrl::SetFont(const wxFont& font)
455{
456 if ( !wxWindowBase::SetFont(font) )
457 {
458 // nothing to do
459 return FALSE;
460 }
461
462 WXHANDLE hFont = GetFont().GetResourceHandle();
6fe19057 463 (void)::SendMessage(GetBuddyHwnd(), WM_SETFONT, (WPARAM)hFont, TRUE);
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464
465 return TRUE;
466}
467
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468bool wxSpinCtrl::Show(bool show)
469{
470 if ( !wxControl::Show(show) )
471 {
472 return FALSE;
473 }
474
6fe19057 475 ::ShowWindow(GetBuddyHwnd(), show ? SW_SHOW : SW_HIDE);
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476
477 return TRUE;
478}
479
480bool wxSpinCtrl::Enable(bool enable)
481{
482 if ( !wxControl::Enable(enable) )
483 {
484 return FALSE;
485 }
486
6fe19057 487 ::EnableWindow(GetBuddyHwnd(), enable);
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488
489 return TRUE;
490}
491
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492void wxSpinCtrl::SetFocus()
493{
6fe19057 494 ::SetFocus(GetBuddyHwnd());
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495}
496
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497// ----------------------------------------------------------------------------
498// event processing
499// ----------------------------------------------------------------------------
500
501void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
502{
503 wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
504 event.SetEventObject(this);
505 event.SetInt(eventSpin.GetPosition());
506
507 (void)GetEventHandler()->ProcessEvent(event);
508
509 if ( eventSpin.GetSkipped() )
510 {
511 event.Skip();
512 }
513}
514
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515// ----------------------------------------------------------------------------
516// size calculations
517// ----------------------------------------------------------------------------
518
f68586e5 519wxSize wxSpinCtrl::DoGetBestSize() const
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520{
521 wxSize sizeBtn = wxSpinButton::DoGetBestSize();
522 sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
523
524 int y;
525 wxGetCharSize(GetHWND(), NULL, &y, &GetFont());
526 y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y);
527
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528 // JACS: we should always use the height calculated
529 // from above, because otherwise we'll get a spin control
530 // that's too big. So never use the height calculated
531 // from wxSpinButton::DoGetBestSize().
532
533 // if ( sizeBtn.y < y )
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534 {
535 // make the text tall enough
536 sizeBtn.y = y;
537 }
538
539 return sizeBtn;
540}
541
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542void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
543{
baccb514 544 int widthBtn = wxSpinButton::DoGetBestSize().x;
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545 int widthText = width - widthBtn - MARGIN_BETWEEN;
546 if ( widthText <= 0 )
547 {
548 wxLogDebug(_T("not enough space for wxSpinCtrl!"));
549 }
550
6fe19057 551 if ( !::MoveWindow(GetBuddyHwnd(), x, y, widthText, height, TRUE) )
b782f2e0 552 {
f6bcfd97 553 wxLogLastError(wxT("MoveWindow(buddy)"));
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554 }
555
556 x += widthText + MARGIN_BETWEEN;
557 if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
558 {
f6bcfd97 559 wxLogLastError(wxT("MoveWindow"));
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560 }
561}
562
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563// get total size of the control
564void wxSpinCtrl::DoGetSize(int *x, int *y) const
565{
566 RECT spinrect, textrect, ctrlrect;
567 GetWindowRect(GetHwnd(), &spinrect);
6fe19057 568 GetWindowRect(GetBuddyHwnd(), &textrect);
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569 UnionRect(&ctrlrect,&textrect, &spinrect);
570
571 if ( x )
572 *x = ctrlrect.right - ctrlrect.left;
573 if ( y )
574 *y = ctrlrect.bottom - ctrlrect.top;
575}
576
577void wxSpinCtrl::DoGetPosition(int *x, int *y) const
578{
579 // hack: pretend that our HWND is the text control just for a moment
580 WXHWND hWnd = GetHWND();
581 wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy;
582
583 wxSpinButton::DoGetPosition(x, y);
584
585 wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
586}
587
b782f2e0 588#endif // __WIN95__
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589
590#endif
591 // wxUSE_SPINCTRL
592