/[pcsx2_0.9.7]/trunk/3rdparty/wxWidgets/src/msw/datectrl.cpp
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Contents of /trunk/3rdparty/wxWidgets/src/msw/datectrl.cpp

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Revision 10 - (show annotations) (download)
Mon Sep 6 11:40:06 2010 UTC (9 years, 5 months ago) by william
File size: 11237 byte(s)
exported r3113 from ./upstream/trunk
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/datectrl.cpp
3 // Purpose: wxDatePickerCtrl implementation
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 2005-01-09
7 // RCS-ID: $Id: datectrl.cpp 44347 2007-02-02 23:41:54Z VZ $
8 // Copyright: (c) 2005 Vadim Zeitlin <vadim@wxwindows.org>
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #include "wx/wxprec.h"
21
22 #ifdef __BORLANDC__
23 #pragma hdrstop
24 #endif
25
26 #if wxUSE_DATEPICKCTRL
27
28 #ifndef WX_PRECOMP
29 #include "wx/msw/wrapwin.h"
30 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
31 #include "wx/app.h"
32 #include "wx/intl.h"
33 #include "wx/dcclient.h"
34 #include "wx/msw/private.h"
35 #endif
36
37 #include "wx/datectrl.h"
38 #include "wx/dynlib.h"
39
40 #define _WX_DEFINE_DATE_EVENTS_
41 #include "wx/dateevt.h"
42
43 // apparently some versions of mingw define these macros erroneously
44 #ifndef DateTime_GetSystemtime
45 #define DateTime_GetSystemtime DateTime_GetSystemTime
46 #endif
47
48 #ifndef DateTime_SetSystemtime
49 #define DateTime_SetSystemtime DateTime_SetSystemTime
50 #endif
51
52 IMPLEMENT_DYNAMIC_CLASS(wxDatePickerCtrl, wxControl)
53
54 // ============================================================================
55 // implementation
56 // ============================================================================
57
58 // ----------------------------------------------------------------------------
59 // helpers for wxDateTime <-> SYSTEMTIME conversion
60 // ----------------------------------------------------------------------------
61
62 static inline void wxFromSystemTime(wxDateTime *dt, const SYSTEMTIME& st)
63 {
64 dt->Set(st.wDay,
65 wx_static_cast(wxDateTime::Month, wxDateTime::Jan + st.wMonth - 1),
66 st.wYear,
67 0, 0, 0);
68 }
69
70 static inline void wxToSystemTime(SYSTEMTIME *st, const wxDateTime& dt)
71 {
72 const wxDateTime::Tm tm(dt.GetTm());
73
74 st->wYear = (WXWORD)tm.year;
75 st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
76 st->wDay = tm.mday;
77
78 st->wDayOfWeek =
79 st->wHour =
80 st->wMinute =
81 st->wSecond =
82 st->wMilliseconds = 0;
83 }
84
85 // ----------------------------------------------------------------------------
86 // wxDatePickerCtrl creation
87 // ----------------------------------------------------------------------------
88
89 bool
90 wxDatePickerCtrl::Create(wxWindow *parent,
91 wxWindowID id,
92 const wxDateTime& dt,
93 const wxPoint& pos,
94 const wxSize& size,
95 long style,
96 const wxValidator& validator,
97 const wxString& name)
98 {
99 // although we already call InitCommonControls() in app.cpp which is
100 // supposed to initialize all common controls, in comctl32.dll 4.72 (and
101 // presumably earlier versions 4.70 and 4.71, date time picker not being
102 // supported in < 4.70 anyhow) it does not do it and we have to initialize
103 // it explicitly
104 static bool s_initDone = false; // MT-ok: used from GUI thread only
105 if ( !s_initDone )
106 {
107 #ifndef __WXWINCE__
108 if ( wxApp::GetComCtl32Version() < 470 )
109 {
110 wxLogError(_("This system doesn't support date picker control, please upgrade your version of comctl32.dll"));
111
112 return false;
113 }
114 #endif
115
116 #if wxUSE_DYNLIB_CLASS
117 INITCOMMONCONTROLSEX icex;
118 icex.dwSize = sizeof(icex);
119 icex.dwICC = ICC_DATE_CLASSES;
120
121 wxDynamicLibrary dllComCtl32(
122 #ifdef __WXWINCE__
123 _T("commctrl.dll")
124 #else
125 _T("comctl32.dll")
126 #endif
127 , wxDL_VERBATIM);
128
129 if ( dllComCtl32.IsLoaded() )
130 {
131 typedef BOOL (WINAPI *ICCEx_t)(INITCOMMONCONTROLSEX *);
132 wxDYNLIB_FUNCTION( ICCEx_t, InitCommonControlsEx, dllComCtl32 );
133
134 if ( pfnInitCommonControlsEx )
135 {
136 (*pfnInitCommonControlsEx)(&icex);
137 }
138
139 s_initDone = true;
140 }
141 #endif
142 }
143
144
145 // use wxDP_SPIN if wxDP_DEFAULT (0) was given as style
146 if ( !(style & wxDP_DROPDOWN) )
147 style |= wxDP_SPIN;
148
149 // initialize the base class
150 if ( !CreateControl(parent, id, pos, size, style, validator, name) )
151 return false;
152
153 // create the native control
154 if ( !MSWCreateControl(DATETIMEPICK_CLASS, wxEmptyString, pos, size) )
155 return false;
156
157 if ( dt.IsValid() || (style & wxDP_ALLOWNONE) )
158 SetValue(dt);
159 else
160 SetValue(wxDateTime::Today());
161
162 return true;
163 }
164
165 WXDWORD wxDatePickerCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
166 {
167 WXDWORD styleMSW = wxDatePickerCtrlBase::MSWGetStyle(style, exstyle);
168
169 // although MSDN doesn't mention it, DTS_UPDOWN doesn't work with
170 // comctl32.dll 4.72
171 if ( wxApp::GetComCtl32Version() > 472 && (style & wxDP_SPIN) )
172 styleMSW |= DTS_UPDOWN;
173 //else: drop down by default
174
175 #ifdef DTS_SHORTDATECENTURYFORMAT
176 if ( style & wxDP_SHOWCENTURY )
177 styleMSW |= DTS_SHORTDATECENTURYFORMAT;
178 else
179 #endif // DTS_SHORTDATECENTURYFORMAT
180 styleMSW |= DTS_SHORTDATEFORMAT;
181
182 if ( style & wxDP_ALLOWNONE )
183 styleMSW |= DTS_SHOWNONE;
184
185 return styleMSW;
186 }
187
188 // TODO: handle WM_WININICHANGE
189
190 // ----------------------------------------------------------------------------
191 // wxDatePickerCtrl geometry
192 // ----------------------------------------------------------------------------
193
194 wxSize wxDatePickerCtrl::DoGetBestSize() const
195 {
196 wxClientDC dc(wx_const_cast(wxDatePickerCtrl *, this));
197 dc.SetFont(GetFont());
198
199 // we can't use FormatDate() here as the CRT doesn't always use the same
200 // format as the date picker control
201 wxString s;
202 for ( int len = 100; ; len *= 2 )
203 {
204 if ( ::GetDateFormat
205 (
206 LOCALE_USER_DEFAULT, // the control should use the same
207 DATE_SHORTDATE, // the format used by the control
208 NULL, // use current date (we don't care)
209 NULL, // no custom format
210 wxStringBuffer(s, len), // output buffer
211 len // and its length
212 ) )
213 {
214 // success
215 break;
216 }
217
218 const DWORD rc = ::GetLastError();
219 if ( rc != ERROR_INSUFFICIENT_BUFFER )
220 {
221 wxLogApiError(_T("GetDateFormat"), rc);
222
223 // fall back on wxDateTime, what else to do?
224 s = wxDateTime::Today().FormatDate();
225 break;
226 }
227 }
228
229 // the control adds a lot of extra space around separators
230 s.Replace(_T(","), _T(" , "));
231
232 int x, y;
233 dc.GetTextExtent(s, &x, &y);
234
235 wxSize best(x + 40 /* margin + arrows */, EDIT_HEIGHT_FROM_CHAR_HEIGHT(y));
236 CacheBestSize(best);
237 return best;
238 }
239
240 // ----------------------------------------------------------------------------
241 // wxDatePickerCtrl operations
242 // ----------------------------------------------------------------------------
243
244 void wxDatePickerCtrl::SetValue(const wxDateTime& dt)
245 {
246 wxCHECK_RET( dt.IsValid() || HasFlag(wxDP_ALLOWNONE),
247 _T("this control requires a valid date") );
248
249 SYSTEMTIME st;
250 if ( dt.IsValid() )
251 wxToSystemTime(&st, dt);
252 if ( !DateTime_SetSystemtime(GetHwnd(),
253 dt.IsValid() ? GDT_VALID : GDT_NONE,
254 &st) )
255 {
256 wxLogDebug(_T("DateTime_SetSystemtime() failed"));
257 }
258
259 // we need to keep only the date part, times don't make sense for this
260 // control (in particular, comparisons with other dates would fail)
261 m_date = dt;
262 if ( m_date.IsValid() )
263 m_date.ResetTime();
264 }
265
266 wxDateTime wxDatePickerCtrl::GetValue() const
267 {
268 #ifdef __WXDEBUG__
269 wxDateTime dt;
270 SYSTEMTIME st;
271 if ( DateTime_GetSystemtime(GetHwnd(), &st) == GDT_VALID )
272 {
273 wxFromSystemTime(&dt, st);
274 }
275
276 wxASSERT_MSG( m_date.IsValid() == dt.IsValid() &&
277 (!dt.IsValid() || dt == m_date),
278 _T("bug in wxDatePickerCtrl: m_date not in sync") );
279 #endif // __WXDEBUG__
280
281 return m_date;
282 }
283
284 void wxDatePickerCtrl::SetRange(const wxDateTime& dt1, const wxDateTime& dt2)
285 {
286 SYSTEMTIME st[2];
287
288 DWORD flags = 0;
289 if ( dt1.IsValid() )
290 {
291 wxToSystemTime(&st[0], dt1);
292 flags |= GDTR_MIN;
293 }
294
295 if ( dt2.IsValid() )
296 {
297 wxToSystemTime(&st[1], dt2);
298 flags |= GDTR_MAX;
299 }
300
301 if ( !DateTime_SetRange(GetHwnd(), flags, st) )
302 {
303 wxLogDebug(_T("DateTime_SetRange() failed"));
304 }
305 }
306
307 bool wxDatePickerCtrl::GetRange(wxDateTime *dt1, wxDateTime *dt2) const
308 {
309 SYSTEMTIME st[2];
310
311 DWORD flags = DateTime_GetRange(GetHwnd(), st);
312 if ( dt1 )
313 {
314 if ( flags & GDTR_MIN )
315 wxFromSystemTime(dt1, st[0]);
316 else
317 *dt1 = wxDefaultDateTime;
318 }
319
320 if ( dt2 )
321 {
322 if ( flags & GDTR_MAX )
323 wxFromSystemTime(dt2, st[1]);
324 else
325 *dt2 = wxDefaultDateTime;
326 }
327
328 return flags != 0;
329 }
330
331 // ----------------------------------------------------------------------------
332 // wxDatePickerCtrl events
333 // ----------------------------------------------------------------------------
334
335 bool
336 wxDatePickerCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
337 {
338 NMHDR* hdr = (NMHDR *)lParam;
339 switch ( hdr->code )
340 {
341 case DTN_DATETIMECHANGE:
342 {
343 NMDATETIMECHANGE *dtch = (NMDATETIMECHANGE *)hdr;
344 wxDateTime dt;
345 if ( dtch->dwFlags == GDT_VALID )
346 wxFromSystemTime(&dt, dtch->st);
347
348 // filter out duplicate DTN_DATETIMECHANGE events which the native
349 // control sends us when using wxDP_DROPDOWN style
350 if ( (m_date.IsValid() != dt.IsValid()) ||
351 (m_date.IsValid() && dt != m_date) )
352 {
353 m_date = dt;
354 wxDateEvent event(this, dt, wxEVT_DATE_CHANGED);
355 if ( GetEventHandler()->ProcessEvent(event) )
356 {
357 *result = 0;
358 return true;
359 }
360 }
361 //else: both the old and new values are invalid, nothing changed
362 }
363 }
364
365 return wxDatePickerCtrlBase::MSWOnNotify(idCtrl, lParam, result);
366 }
367
368 #endif // wxUSE_DATEPICKCTRL

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