projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 51317496 VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/datecontrols.cpp | |
| 3 | // Purpose: implementation of date controls helper functions | |
| 4 | // Author: Vadim Zeitlin | |
| 5 | // Created: 2008-04-04 | |
| 51317496 VZ |
6 | // Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org> |
| 7 | // Licence: wxWindows licence | |
| 8 | /////////////////////////////////////////////////////////////////////////////// | |
| 9 | ||
| 10 | // ============================================================================ | |
| 11 | // declarations | |
| 12 | // ============================================================================ | |
| 13 | ||
| 14 | // ---------------------------------------------------------------------------- | |
| 15 | // headers | |
| 16 | // ---------------------------------------------------------------------------- | |
| 17 | ||
| 18 | // for compilers that support precompilation, includes "wx.h". | |
| 19 | #include "wx/wxprec.h" | |
| 20 | ||
| 21 | #ifdef __BORLANDC__ | |
| 22 | #pragma hdrstop | |
| 23 | #endif | |
| 24 | ||
| 25 | #ifndef WX_PRECOMP | |
| 5fe2804e VZ |
26 | #include "wx/app.h" |
| 27 | #include "wx/msw/wrapcctl.h" | |
| 51317496 VZ |
28 | #endif // WX_PRECOMP |
| 29 | ||
| 30 | #if wxUSE_DATEPICKCTRL || wxUSE_CALENDARCTRL | |
| 31 | ||
| 32 | #include "wx/msw/private/datecontrols.h" | |
| 33 | ||
| 34 | #include "wx/dynlib.h" | |
| 35 | ||
| 36 | // ============================================================================ | |
| 37 | // implementation | |
| 38 | // ============================================================================ | |
| 39 | ||
| 40 | bool wxMSWDateControls::CheckInitialization() | |
| 41 | { | |
| 42 | // although we already call InitCommonControls() in app.cpp which is | |
| 43 | // supposed to initialize all common controls, in comctl32.dll 4.72 (and | |
| 44 | // presumably earlier versions 4.70 and 4.71, date time picker not being | |
| 45 | // supported in < 4.70 anyhow) it does not do it and we have to initialize | |
| 46 | // it explicitly | |
| 47 | ||
| 48 | // this is initially set to -1 to indicate that we need to perform the | |
| 49 | // initialization and gets set to false or true depending on its result | |
| 50 | static int s_initResult = -1; // MT-ok: used from GUI thread only | |
| 51 | if ( s_initResult == -1 ) | |
| 52 | { | |
| 53 | // in any case do nothing the next time, the result won't change and | |
| 54 | // it's enough to give the error only once | |
| 55 | s_initResult = false; | |
| 56 | ||
| 57 | if ( wxApp::GetComCtl32Version() < 470 ) | |
| 58 | { | |
| 59 | wxLogError(_("This system doesn't support date controls, please upgrade your version of comctl32.dll")); | |
| 60 | ||
| 61 | return false; | |
| 62 | } | |
| 63 | ||
| 64 | #if wxUSE_DYNLIB_CLASS | |
| 65 | INITCOMMONCONTROLSEX icex; | |
| 66 | icex.dwSize = sizeof(icex); | |
| 67 | icex.dwICC = ICC_DATE_CLASSES; | |
| 68 | ||
| e2d4ce7d | 69 | // see comment in wxApp::GetComCtl32Version() explaining the |
| 5a9379d7 | 70 | // use of wxLoadedDLL |
| 9a83f860 | 71 | wxLoadedDLL dllComCtl32(wxT("comctl32.dll")); |
| 51317496 VZ |
72 | if ( dllComCtl32.IsLoaded() ) |
| 73 | { | |
| e2d4ce7d VZ |
74 | wxLogNull noLog; |
| 75 | ||
| 51317496 VZ |
76 | typedef BOOL (WINAPI *ICCEx_t)(INITCOMMONCONTROLSEX *); |
| 77 | wxDYNLIB_FUNCTION( ICCEx_t, InitCommonControlsEx, dllComCtl32 ); | |
| 78 | ||
| 79 | if ( pfnInitCommonControlsEx ) | |
| 80 | { | |
| 81 | s_initResult = (*pfnInitCommonControlsEx)(&icex); | |
| 82 | } | |
| 83 | } | |
| 84 | #endif // wxUSE_DYNLIB_CLASS | |
| 85 | } | |
| 86 | ||
| 87 | return s_initResult != 0; | |
| 88 | } | |
| 89 | ||
| 90 | #endif // wxUSE_DATEPICKCTRL || wxUSE_CALENDARCTRL |