Refactor wxDatePickerCtrl to derive from wxDateTimePickerCtrl.

[wxWidgets.git] / src / msw / datetimectrl.cpp

diff --git a/src/msw/datetimectrl.cpp b/src/msw/datetimectrl.cpp
new file mode 100644 (file)
index 0000000..a20149c
--- /dev/null
+++ b/src/msw/datetimectrl.cpp
@@ -0,0 +1,152 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/msw/datetimectrl.cpp
+// Purpose:     Implementation of wxDateTimePickerCtrl for MSW.
+// Author:      Vadim Zeitlin
+// Created:     2011-09-22 (extracted from src/msw/datectrl.cpp)
+// RCS-ID:      $Id: wxhead.cpp,v 1.11 2010-04-22 12:44:51 zeitlin Exp $
+// Copyright:   (c) 2005-2011 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/datetimectrl.h"
+
+#ifdef wxNEEDS_DATETIMEPICKCTRL
+
+#ifndef WX_PRECOMP
+#endif // WX_PRECOMP
+
+#include "wx/msw/private/datecontrols.h"
+
+// apparently some versions of mingw define these macros erroneously
+#ifndef DateTime_GetSystemtime
+    #define DateTime_GetSystemtime DateTime_GetSystemTime
+#endif
+
+#ifndef DateTime_SetSystemtime
+    #define DateTime_SetSystemtime DateTime_SetSystemTime
+#endif
+
+// ============================================================================
+// wxDateTimePickerCtrl implementation
+// ============================================================================
+
+bool
+wxDateTimePickerCtrl::MSWCreateDateTimePicker(wxWindow *parent,
+                                              wxWindowID id,
+                                              const wxDateTime& dt,
+                                              const wxPoint& pos,
+                                              const wxSize& size,
+                                              long style,
+                                              const wxValidator& validator,
+                                              const wxString& name)
+{
+    if ( !wxMSWDateControls::CheckInitialization() )
+        return false;
+
+    // initialize the base class
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+        return false;
+
+    // create the native control
+    if ( !MSWCreateControl(DATETIMEPICK_CLASS, wxString(), pos, size) )
+        return false;
+
+    if ( dt.IsValid() || MSWAllowsNone() )
+        SetValue(dt);
+    else
+        SetValue(wxDateTime::Now());
+
+    return true;
+}
+
+void wxDateTimePickerCtrl::SetValue(const wxDateTime& dt)
+{
+    wxCHECK_RET( dt.IsValid() || MSWAllowsNone(),
+                    wxT("this control requires a valid date") );
+
+    SYSTEMTIME st;
+    if ( dt.IsValid() )
+        dt.GetAsMSWSysTime(&st);
+
+    if ( !DateTime_SetSystemtime(GetHwnd(),
+                                 dt.IsValid() ? GDT_VALID : GDT_NONE,
+                                 &st) )
+    {
+        // The only expected failure is when the date is out of range but we
+        // already checked for this above.
+        wxFAIL_MSG( wxT("Setting the calendar date unexpectedly failed.") );
+
+        // In any case, skip updating m_date below.
+        return;
+    }
+
+    m_date = dt;
+}
+
+wxDateTime wxDateTimePickerCtrl::GetValue() const
+{
+    return m_date;
+}
+
+wxSize wxDateTimePickerCtrl::DoGetBestSize() const
+{
+    wxClientDC dc(const_cast<wxDateTimePickerCtrl *>(this));
+
+    // Use the same native format as this as the underlying native control.
+    wxString s = wxDateTime::Now().Format(wxLocale::GetInfo(MSWGetFormat()));
+
+    // the best size for the control is bigger than just the string
+    // representation of the current value because the control must accommodate
+    // any date and while the widths of all digits are usually about the same,
+    // the width of the month string varies a lot, so try to account for it
+    s += wxT("WW");
+
+    int x, y;
+    dc.GetTextExtent(s, &x, &y);
+
+    // account for the drop-down arrow or spin arrows
+    x += wxSystemSettings::GetMetric(wxSYS_HSCROLL_ARROW_X);
+
+    // and for the checkbox if we have it
+    if ( MSWAllowsNone() )
+        x += 3*GetCharWidth();
+
+    wxSize best(x, EDIT_HEIGHT_FROM_CHAR_HEIGHT(y));
+    CacheBestSize(best);
+    return best;
+}
+
+bool
+wxDateTimePickerCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
+{
+    NMHDR* hdr = (NMHDR *)lParam;
+    switch ( hdr->code )
+    {
+        case DTN_DATETIMECHANGE:
+            if ( MSWOnDateTimeChange(*(NMDATETIMECHANGE*)(hdr)) )
+            {
+                *result = 0;
+                return true;
+            }
+            break;
+    }
+
+    return wxDateTimePickerCtrlBase::MSWOnNotify(idCtrl, lParam, result);
+}
+
+#endif // wxNEEDS_DATETIMEPICKCTRL