fixing osx_cocoa

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

diff --git a/src/msw/datectrl.cpp b/src/msw/datectrl.cpp
index 8602e3d966f77b1233b1e5a1cdfb7ff08e102527..c544e322511acb93dd7535b7f235906a190efd23 100644 (file)
--- a/src/msw/datectrl.cpp
+++ b/src/msw/datectrl.cpp
@@ -26,18 +26,19 @@
 #if wxUSE_DATEPICKCTRL
 
 #ifndef WX_PRECOMP
 #if wxUSE_DATEPICKCTRL
 
 #ifndef WX_PRECOMP

+    #include "wx/msw/wrapwin.h"
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"

     #include "wx/app.h"
     #include "wx/intl.h"
     #include "wx/dcclient.h"
     #include "wx/app.h"
     #include "wx/intl.h"
     #include "wx/dcclient.h"

-    #include "wx/msw/wrapwin.h"
-    #include "wx/msw/wrapcctl.h"
+    #include "wx/settings.h"

     #include "wx/msw/private.h"
 #endif
 
 #include "wx/datectrl.h"
     #include "wx/msw/private.h"
 #endif
 
 #include "wx/datectrl.h"

-#include "wx/dynlib.h"

 
 

-#define _WX_DEFINE_DATE_EVENTS_
+#include "wx/msw/private/datecontrols.h"
+

 #include "wx/dateevt.h"
 
 // apparently some versions of mingw define these macros erroneously
 #include "wx/dateevt.h"
 
 // apparently some versions of mingw define these macros erroneously


@@ -55,33 +56,6 @@ IMPLEMENT_DYNAMIC_CLASS(wxDatePickerCtrl, wxControl)
 // implementation
 // ============================================================================
 
 // implementation
 // ============================================================================
 

-// ----------------------------------------------------------------------------
-// helpers for wxDateTime <-> SYSTEMTIME conversion
-// ----------------------------------------------------------------------------
-
-static inline void wxFromSystemTime(wxDateTime *dt, const SYSTEMTIME& st)
-{
-    dt->Set(st.wDay,
-            wx_static_cast(wxDateTime::Month, wxDateTime::Jan + st.wMonth - 1),
-            st.wYear,
-            0, 0, 0);
-}
-
-static inline void wxToSystemTime(SYSTEMTIME *st, const wxDateTime& dt)
-{
-    const wxDateTime::Tm tm(dt.GetTm());
-
-    st->wYear = (WXWORD)tm.year;
-    st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
-    st->wDay = tm.mday;
-
-    st->wDayOfWeek =
-    st->wHour =
-    st->wMinute =
-    st->wSecond =
-    st->wMilliseconds = 0;
-}
-

 // ----------------------------------------------------------------------------
 // wxDatePickerCtrl creation
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxDatePickerCtrl creation
 // ----------------------------------------------------------------------------


@@ -96,40 +70,8 @@ wxDatePickerCtrl::Create(wxWindow *parent,
                          const wxValidator& validator,
                          const wxString& name)
 {
                          const wxValidator& validator,
                          const wxString& name)
 {

-    // although we already call InitCommonControls() in app.cpp which is
-    // supposed to initialize all common controls, in comctl32.dll 4.72 (and
-    // presumably earlier versions 4.70 and 4.71, date time picker not being
-    // supported in < 4.70 anyhow) it does not do it and we have to initialize
-    // it explicitly
-    static bool s_initDone = false; // MT-ok: used from GUI thread only
-    if ( !s_initDone )
-    {
-        if ( wxApp::GetComCtl32Version() < 470 )
-        {
-            wxLogError(_("This system doesn't support date picker control, please upgrade your version of comctl32.dll"));
-
-            return false;
-        }
-
-#if wxUSE_DYNLIB_CLASS
-        INITCOMMONCONTROLSEX icex;
-        icex.dwSize = sizeof(icex);
-        icex.dwICC = ICC_DATE_CLASSES;
-
-        wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM);
-
-        typedef BOOL (WINAPI *ICCEx_t)(INITCOMMONCONTROLSEX *);
-        wxDYNLIB_FUNCTION( ICCEx_t, InitCommonControlsEx, dllComCtl32 );
-
-        if ( pfnInitCommonControlsEx )
-        {
-            (*pfnInitCommonControlsEx)(&icex);
-        }
-
-        s_initDone = true;
-#endif
-    }
-
+    if ( !wxMSWDateControls::CheckInitialization() )
+        return false;

 
     // use wxDP_SPIN if wxDP_DEFAULT (0) was given as style
     if ( !(style & wxDP_DROPDOWN) )
 
     // use wxDP_SPIN if wxDP_DEFAULT (0) was given as style
     if ( !(style & wxDP_DROPDOWN) )


@@ -145,6 +87,8 @@ wxDatePickerCtrl::Create(wxWindow *parent,
 
     if ( dt.IsValid() || (style & wxDP_ALLOWNONE) )
         SetValue(dt);
 
     if ( dt.IsValid() || (style & wxDP_ALLOWNONE) )
         SetValue(dt);

+    else
+        SetValue(wxDateTime::Today());

 
     return true;
 }
 
     return true;
 }


@@ -180,8 +124,7 @@ WXDWORD wxDatePickerCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
 
 wxSize wxDatePickerCtrl::DoGetBestSize() const
 {
 
 wxSize wxDatePickerCtrl::DoGetBestSize() const
 {

-    wxClientDC dc(wx_const_cast(wxDatePickerCtrl *, this));
-    dc.SetFont(GetFont());
+    wxClientDC dc(const_cast<wxDatePickerCtrl *>(this));

 
     // we can't use FormatDate() here as the CRT doesn't always use the same
     // format as the date picker control
 
     // we can't use FormatDate() here as the CRT doesn't always use the same
     // format as the date picker control


@@ -205,7 +148,7 @@ wxSize wxDatePickerCtrl::DoGetBestSize() const
         const DWORD rc = ::GetLastError();
         if ( rc != ERROR_INSUFFICIENT_BUFFER )
         {
         const DWORD rc = ::GetLastError();
         if ( rc != ERROR_INSUFFICIENT_BUFFER )
         {

-            wxLogApiError(_T("GetDateFormat"), rc);
+            wxLogApiError(wxT("GetDateFormat"), rc);

 
             // fall back on wxDateTime, what else to do?
             s = wxDateTime::Today().FormatDate();
 
             // fall back on wxDateTime, what else to do?
             s = wxDateTime::Today().FormatDate();


@@ -213,13 +156,23 @@ wxSize wxDatePickerCtrl::DoGetBestSize() const
         }
     }
 
         }
     }
 

-    // the control adds a lot of extra space around separators
-    s.Replace(_T(","), _T("    ,    "));
+    // the best size for the control is bigger than just the string
+    // representation of todays date 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);
 
 
     int x, y;
     dc.GetTextExtent(s, &x, &y);
 

-    wxSize best(x + 40 /* margin + arrows */, EDIT_HEIGHT_FROM_CHAR_HEIGHT(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 ( HasFlag(wxDP_ALLOWNONE) )
+        x += 3*GetCharWidth();
+
+    wxSize best(x, EDIT_HEIGHT_FROM_CHAR_HEIGHT(y));

     CacheBestSize(best);
     return best;
 }
     CacheBestSize(best);
     return best;
 }


@@ -231,29 +184,70 @@ wxSize wxDatePickerCtrl::DoGetBestSize() const
 void wxDatePickerCtrl::SetValue(const wxDateTime& dt)
 {
     wxCHECK_RET( dt.IsValid() || HasFlag(wxDP_ALLOWNONE),
 void wxDatePickerCtrl::SetValue(const wxDateTime& dt)
 {
     wxCHECK_RET( dt.IsValid() || HasFlag(wxDP_ALLOWNONE),

-                    _T("this control requires a valid date") );
+                    wxT("this control requires a valid date") );

 
     SYSTEMTIME st;
     if ( dt.IsValid() )
 
     SYSTEMTIME st;
     if ( dt.IsValid() )

-        wxToSystemTime(&st, dt);
+    {
+        // Don't try setting the date if it's out of range: calendar control
+        // under XP (and presumably all the other pre-Vista Windows versions)
+        // doesn't return false from DateTime_SetSystemtime() in this case but
+        // doesn't actually change the date, so we can't update our m_date
+        // unconditionally and would need to check whether it was changed
+        // before doing it. It looks simpler to just check whether it's in
+        // range here instead.
+        //
+        // If we ever drop support for XP we could rely on the return value of
+        // DateTime_SetSystemtime() but this probably won't happen in near
+        // future.
+        wxDateTime dtStart, dtEnd;
+        GetRange(&dtStart, &dtEnd);
+        if ( (dtStart.IsValid() && dt < dtStart) ||
+                (dtEnd.IsValid() && dt > dtEnd) )
+        {
+            // Fail silently, some existing code relies on SetValue() with an
+            // out of range value simply doing nothing -- so don't.
+            return;
+        }
+
+        dt.GetAsMSWSysTime(&st);
+    }
+

     if ( !DateTime_SetSystemtime(GetHwnd(),
                                  dt.IsValid() ? GDT_VALID : GDT_NONE,
                                  &st) )
     {
     if ( !DateTime_SetSystemtime(GetHwnd(),
                                  dt.IsValid() ? GDT_VALID : GDT_NONE,
                                  &st) )
     {

-        wxLogDebug(_T("DateTime_SetSystemtime() failed"));
+        // 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;

     }
     }

+
+    // we need to keep only the date part, times don't make sense for this
+    // control (in particular, comparisons with other dates would fail)
+    m_date = dt;
+    if ( m_date.IsValid() )
+        m_date.ResetTime();

 }
 
 wxDateTime wxDatePickerCtrl::GetValue() const
 {
 }
 
 wxDateTime wxDatePickerCtrl::GetValue() const
 {

+#if wxDEBUG_LEVEL

     wxDateTime dt;
     SYSTEMTIME st;
     if ( DateTime_GetSystemtime(GetHwnd(), &st) == GDT_VALID )
     {
     wxDateTime dt;
     SYSTEMTIME st;
     if ( DateTime_GetSystemtime(GetHwnd(), &st) == GDT_VALID )
     {

-        wxFromSystemTime(&dt, st);
+        dt.SetFromMSWSysDate(st);

     }
 
     }
 

-    return dt;
+    wxASSERT_MSG( m_date.IsValid() == dt.IsValid() &&
+                    (!dt.IsValid() || dt == m_date),
+                  wxT("bug in wxDatePickerCtrl: m_date not in sync") );
+#endif // wxDEBUG_LEVEL
+
+    return m_date;

 }
 
 void wxDatePickerCtrl::SetRange(const wxDateTime& dt1, const wxDateTime& dt2)
 }
 
 void wxDatePickerCtrl::SetRange(const wxDateTime& dt1, const wxDateTime& dt2)


@@ -263,19 +257,19 @@ void wxDatePickerCtrl::SetRange(const wxDateTime& dt1, const wxDateTime& dt2)
     DWORD flags = 0;
     if ( dt1.IsValid() )
     {
     DWORD flags = 0;
     if ( dt1.IsValid() )
     {

-        wxToSystemTime(&st[0], dt1);
+        dt1.GetAsMSWSysTime(st + 0);

         flags |= GDTR_MIN;
     }
 
     if ( dt2.IsValid() )
     {
         flags |= GDTR_MIN;
     }
 
     if ( dt2.IsValid() )
     {

-        wxToSystemTime(&st[1], dt2);
+        dt2.GetAsMSWSysTime(st + 1);

         flags |= GDTR_MAX;
     }
 
     if ( !DateTime_SetRange(GetHwnd(), flags, st) )
     {
         flags |= GDTR_MAX;
     }
 
     if ( !DateTime_SetRange(GetHwnd(), flags, st) )
     {

-        wxLogDebug(_T("DateTime_SetRange() failed"));
+        wxLogDebug(wxT("DateTime_SetRange() failed"));

     }
 }
 
     }
 }
 


@@ -287,7 +281,7 @@ bool wxDatePickerCtrl::GetRange(wxDateTime *dt1, wxDateTime *dt2) const
     if ( dt1 )
     {
         if ( flags & GDTR_MIN )
     if ( dt1 )
     {
         if ( flags & GDTR_MIN )

-            wxFromSystemTime(dt1, st[0]);
+            dt1->SetFromMSWSysDate(st[0]);

         else
             *dt1 = wxDefaultDateTime;
     }
         else
             *dt1 = wxDefaultDateTime;
     }


@@ -295,7 +289,7 @@ bool wxDatePickerCtrl::GetRange(wxDateTime *dt1, wxDateTime *dt2) const
     if ( dt2 )
     {
         if ( flags & GDTR_MAX )
     if ( dt2 )
     {
         if ( flags & GDTR_MAX )

-            wxFromSystemTime(dt2, st[1]);
+            dt2->SetFromMSWSysDate(st[1]);

         else
             *dt2 = wxDefaultDateTime;
     }
         else
             *dt2 = wxDefaultDateTime;
     }


@@ -314,17 +308,27 @@ wxDatePickerCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     switch ( hdr->code )
     {
         case DTN_DATETIMECHANGE:
     switch ( hdr->code )
     {
         case DTN_DATETIMECHANGE:

+        {

             NMDATETIMECHANGE *dtch = (NMDATETIMECHANGE *)hdr;
             wxDateTime dt;
             if ( dtch->dwFlags == GDT_VALID )
             NMDATETIMECHANGE *dtch = (NMDATETIMECHANGE *)hdr;
             wxDateTime dt;
             if ( dtch->dwFlags == GDT_VALID )

-                wxFromSystemTime(&dt, dtch->st);
+                dt.SetFromMSWSysDate(dtch->st);

 
 

-            wxDateEvent event(this, dt, wxEVT_DATE_CHANGED);
-            if ( GetEventHandler()->ProcessEvent(event) )
+            // filter out duplicate DTN_DATETIMECHANGE events which the native
+            // control sends us when using wxDP_DROPDOWN style
+            if ( (m_date.IsValid() != dt.IsValid()) ||
+                    (m_date.IsValid() && dt != m_date) )

             {
             {

-                *result = 0;
-                return true;
+                m_date = dt;
+                wxDateEvent event(this, dt, wxEVT_DATE_CHANGED);
+                if ( HandleWindowEvent(event) )
+                {
+                    *result = 0;
+                    return true;
+                }

             }
             }

+            //else: both the old and new values are invalid, nothing changed
+        }

     }
 
     return wxDatePickerCtrlBase::MSWOnNotify(idCtrl, lParam, result);
     }
 
     return wxDatePickerCtrlBase::MSWOnNotify(idCtrl, lParam, result);