added and implemented for MSW wxDP_SHOWCENTURY flag

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31517 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/datectrl.tex

@@ -42,6 +42,9 @@ calendar drop down part from which the user can select a date.}
 \twocolitem{\windowstyle{wxDP\_DEFAULT}}{Creates a control with default style
 which is the best supported for the current platform (currently wxDP\_SPIN
 under Windows and wxDP\_DROPDOWN elsewhere).}
+\twocolitem{\windowstyle{wxDP\_SHOWCENTURY}}{Forces display of the century in
+the default date format. Without this flas the century could be displayed or
+not depending on the default date representation in the system.}
 \end{twocollist}
 
 \wxheading{Event handling}
@@ -67,7 +70,7 @@ changes the current selection in the control.}
 \param{const wxDateTime\& }{dt = wxDefaultDateTime},\rtfsp
 \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
 \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
-\param{long}{ style = wxDP\_DEFAULT},\rtfsp
+\param{long}{ style = wxDP\_DEFAULT | wxDP\_SHOWCENTURY},\rtfsp
 \param{const wxValidator\& }{validator = wxDefaultValidator},
 \param{const wxString\& }{name = ``datectrl"}}
 
@@ -82,7 +85,7 @@ all the parameters.
 \param{const wxDateTime\& }{dt = wxDefaultDateTime},\rtfsp
 \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
 \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
-\param{long}{ style = wxDP\_DEFAULT},\rtfsp
+\param{long}{ style = wxDP\_DEFAULT | wxDP\_SHOWCENTURY},\rtfsp
 \param{const wxValidator\& }{validator = wxDefaultValidator},
 \param{const wxString\& }{name = ``datectrl"}}
 

include/wx/datectrl.h

@@ -27,7 +27,11 @@ enum
     wxDP_SPIN = 1,
 
     // a combobox-like date picker (not supported in mac version)
-    wxDP_DROPDOWN = 2
+    wxDP_DROPDOWN = 2,
+
+    // always show century in the default date display (otherwise it depends on
+    // the system date format which may include the century or not)
+    wxDP_SHOWCENTURY = 4
 };
 
 // ----------------------------------------------------------------------------
@@ -46,7 +50,7 @@ public:
                     const wxDateTime& dt = wxDefaultDateTime,
                     const wxPoint& pos = wxDefaultPosition,
                     const wxSize& size = wxDefaultSize,
-                    long style = wxDP_DEFAULT,
+                    long style = wxDP_DEFAULT | wxDP_SHOWCENTURY,
                     const wxValidator& validator = wxDefaultValidator,
                     const wxString& name = wxDatePickerCtrlNameStr);
      */

include/wx/generic/datectrl.h

@@ -26,16 +26,16 @@ public:
                    const wxDateTime& date = wxDefaultDateTime,
                    const wxPoint& pos = wxDefaultPosition,
                    const wxSize& size = wxDefaultSize,
-                   long style = 0,
+                   long style = wxDP_DEFAULT | wxDP_SHOWCENTURY,
                    const wxString& name = wxDatePickerCtrlNameStr);
 
     bool Create(wxWindow *parent,
-                            wxWindowID id,
+                wxWindowID id,
-                            const wxDateTime& date,
+                const wxDateTime& date = wxDefaultDateTime,
-                            const wxPoint& pos,
+                const wxPoint& pos = wxDefaultPosition,
-                            const wxSize& size,
+                const wxSize& size = wxDefaultSize,
-                            long style,
+                long style = wxDP_DEFAULT | wxDP_SHOWCENTURY,
-                            const wxString& name=wxDatePickerCtrlNameStr);
+                const wxString& name = wxDatePickerCtrlNameStr);
 
     // wxDatePickerCtrl methods
     void SetValue(const wxDateTime& date);

include/wx/msw/datectrl.h

@@ -27,7 +27,7 @@ public:
                      const wxDateTime& dt = wxDefaultDateTime,
                      const wxPoint& pos = wxDefaultPosition,
                      const wxSize& size = wxDefaultSize,
-                     long style = 0,
+                     long style = wxDP_DEFAULT | wxDP_SHOWCENTURY,
                      const wxValidator& validator = wxDefaultValidator,
                      const wxString& name = wxDatePickerCtrlNameStr)
     {
@@ -39,7 +39,7 @@ public:
                 const wxDateTime& dt = wxDefaultDateTime,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
-                long style = 0,
+                long style = wxDP_DEFAULT | wxDP_SHOWCENTURY,
                 const wxValidator& validator = wxDefaultValidator,
                 const wxString& name = wxDatePickerCtrlNameStr);
 

src/msw/datectrl.cpp

@@ -146,7 +146,12 @@ WXDWORD wxDatePickerCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
         styleMSW |= DTS_UPDOWN;
     //else: drop down by default
 
-    styleMSW |= DTS_SHORTDATEFORMAT;
+#ifdef DTS_SHORTDATECENTURYFORMAT
+    if ( style & wxDP_SHOWCENTURY )
+        styleMSW |= DTS_SHORTDATECENTURYFORMAT;
+    else
+#endif // DTS_SHORTDATECENTURYFORMAT
+        styleMSW |= DTS_SHORTDATEFORMAT;
 
     return styleMSW;
 }