+bool
+wxWindowMSW::MSWShowWithEffect(bool show,
+ wxShowEffect effect,
+ unsigned timeout,
+ wxDirection dir)
+{
+ typedef BOOL (WINAPI *AnimateWindow_t)(HWND, DWORD, DWORD);
+
+ static AnimateWindow_t s_pfnAnimateWindow = NULL;
+ static bool s_initDone = false;
+ if ( !s_initDone )
+ {
+ wxDynamicLibrary dllUser32(_T("user32.dll"), wxDL_VERBATIM | wxDL_QUIET);
+ wxDL_INIT_FUNC(s_pfn, AnimateWindow, dllUser32);
+
+ s_initDone = true;
+
+ // notice that it's ok to unload user32.dll here as it won't be really
+ // unloaded, being still in use because we link to it statically too
+ }
+
+ if ( !s_pfnAnimateWindow )
+ return Show(show);
+
+ // prepare to use AnimateWindow()
+
+ if ( !timeout )
+ timeout = 200; // this is the default animation timeout, per MSDN
+
+ DWORD dwFlags = show ? 0 : AW_HIDE;
+ bool needsDir = false;
+ switch ( effect )
+ {
+ case wxSHOW_EFFECT_ROLL:
+ needsDir = true;
+ break;
+
+ case wxSHOW_EFFECT_SLIDE:
+ needsDir = true;
+ dwFlags |= AW_SLIDE;
+ break;
+
+ case wxSHOW_EFFECT_BLEND:
+ dwFlags |= AW_BLEND;
+ break;
+
+ case wxSHOW_EFFECT_EXPAND:
+ dwFlags |= AW_CENTER;
+ break;
+
+
+ case wxSHOW_EFFECT_MAX:
+ wxFAIL_MSG( _T("invalid window show effect") );
+ return false;
+
+ default:
+ wxFAIL_MSG( _T("unknown window show effect") );
+ return false;
+ }
+
+ if ( needsDir )
+ {
+ switch ( dir )
+ {
+ case wxTOP:
+ dwFlags |= AW_VER_NEGATIVE;
+ break;
+
+ case wxBOTTOM:
+ dwFlags |= AW_VER_POSITIVE;
+ break;
+
+ case wxLEFT:
+ dwFlags |= AW_HOR_NEGATIVE;
+ break;
+
+ case wxRIGHT:
+ dwFlags |= AW_HOR_POSITIVE;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown window effect direction") );
+ return false;
+ }
+ }
+ else // animation effect which doesn't need the direction
+ {
+ wxASSERT_MSG( dir == wxBOTTOM,
+ _T("non-default direction used unnecessarily") );
+ }
+
+
+ if ( !(*s_pfnAnimateWindow)(GetHwnd(), timeout, dwFlags) )
+ {
+ wxLogLastError(_T("AnimateWindow"));
+
+ return false;
+ }
+
+ return true;
+}
+
projects / wxWidgets.git / blobdiff