Eliminate a warning

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

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 1f4fe798921c708ae7fa590063b2b9ac9f616b11..5ddf3d7a8cc966f7d19b942d1868ff3d3d31d08b 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -281,12 +281,11 @@ static void EnsureParentHasControlParentStyle(wxWindow *parent)
      */
     while ( parent && !parent->IsTopLevel() )
     {
      */
     while ( parent && !parent->IsTopLevel() )
     {

-        LONG exStyle = ::GetWindowLong(GetHwndOf(parent), GWL_EXSTYLE);
+        LONG exStyle = wxGetWindowExStyle(parent);

         if ( !(exStyle & WS_EX_CONTROLPARENT) )
         {
             // force the parent to have this style
         if ( !(exStyle & WS_EX_CONTROLPARENT) )
         {
             // force the parent to have this style

-            ::SetWindowLong(GetHwndOf(parent), GWL_EXSTYLE,
-                            exStyle | WS_EX_CONTROLPARENT);
+            wxSetWindowExStyle(parent, exStyle | WS_EX_CONTROLPARENT);

         }
 
         parent = parent->GetParent();
         }
 
         parent = parent->GetParent();


@@ -716,15 +715,27 @@ bool wxWindowMSW::Show(bool show)
         ::ShowWindow(hWnd, show ? SW_SHOW : SW_HIDE);
     }
 
         ::ShowWindow(hWnd, show ? SW_SHOW : SW_HIDE);
     }
 

+    if ( IsFrozen() )
+    {
+        // DoFreeze/DoThaw don't do anything if the window is not shown, so
+        // we have to call them from here now
+        if ( show )
+            DoFreeze();
+        else
+            DoThaw();
+    }
+

     return true;
 }
 
 bool
 wxWindowMSW::MSWShowWithEffect(bool show,
                                wxShowEffect effect,
     return true;
 }
 
 bool
 wxWindowMSW::MSWShowWithEffect(bool show,
                                wxShowEffect effect,

-                               unsigned timeout,
-                               wxDirection dir)
+                               unsigned timeout)

 {
 {

+    if ( !wxWindowBase::Show(show) )
+        return false;
+

     typedef BOOL (WINAPI *AnimateWindow_t)(HWND, DWORD, DWORD);
 
     static AnimateWindow_t s_pfnAnimateWindow = NULL;
     typedef BOOL (WINAPI *AnimateWindow_t)(HWND, DWORD, DWORD);
 
     static AnimateWindow_t s_pfnAnimateWindow = NULL;


@@ -743,22 +754,50 @@ wxWindowMSW::MSWShowWithEffect(bool show,
     if ( !s_pfnAnimateWindow )
         return Show(show);
 
     if ( !s_pfnAnimateWindow )
         return Show(show);
 

+    // Show() has a side effect of sending a WM_SIZE to the window, which helps
+    // ensuring that it's laid out correctly, but AnimateWindow() doesn't do
+    // this so send the event ourselves
+    SendSizeEvent();
+

     // prepare to use AnimateWindow()
 
     if ( !timeout )
         timeout = 200; // this is the default animation timeout, per MSDN
 
     DWORD dwFlags = show ? 0 : AW_HIDE;
     // 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 )
     {
     switch ( effect )
     {

-        case wxSHOW_EFFECT_ROLL:
-            needsDir = true;
+        case wxSHOW_EFFECT_ROLL_TO_LEFT:
+            dwFlags |= AW_HOR_NEGATIVE;
+            break;
+
+        case wxSHOW_EFFECT_ROLL_TO_RIGHT:
+            dwFlags |= AW_HOR_POSITIVE;
+            break;
+
+        case wxSHOW_EFFECT_ROLL_TO_TOP:
+            dwFlags |= AW_VER_NEGATIVE;
+            break;
+
+        case wxSHOW_EFFECT_ROLL_TO_BOTTOM:
+            dwFlags |= AW_VER_POSITIVE;

             break;
 
             break;
 

-        case wxSHOW_EFFECT_SLIDE:
-            needsDir = true;
-            dwFlags |= AW_SLIDE;
+        case wxSHOW_EFFECT_SLIDE_TO_LEFT:
+            dwFlags |= AW_SLIDE | AW_HOR_NEGATIVE;
+            break;
+
+        case wxSHOW_EFFECT_SLIDE_TO_RIGHT:
+            dwFlags |= AW_SLIDE | AW_HOR_POSITIVE;
+            break;
+
+        case wxSHOW_EFFECT_SLIDE_TO_TOP:
+            dwFlags |= AW_SLIDE | AW_VER_NEGATIVE;
+            break;
+
+        case wxSHOW_EFFECT_SLIDE_TO_BOTTOM:
+            dwFlags |= AW_SLIDE | AW_VER_POSITIVE;

             break;
 
         case wxSHOW_EFFECT_BLEND:
             break;
 
         case wxSHOW_EFFECT_BLEND:


@@ -779,38 +818,6 @@ wxWindowMSW::MSWShowWithEffect(bool show,
             return false;
     }
 
             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"));
     if ( !(*s_pfnAnimateWindow)(GetHwnd(), timeout, dwFlags) )
     {
         wxLogLastError(_T("AnimateWindow"));


@@ -868,7 +875,11 @@ bool wxWindowMSW::SetFont(const wxFont& font)
     HWND hWnd = GetHwnd();
     if ( hWnd != 0 )
     {
     HWND hWnd = GetHwnd();
     if ( hWnd != 0 )
     {

-        WXHANDLE hFont = m_font.GetResourceHandle();
+        // note the use of GetFont() instead of m_font: our own font could have
+        // just been reset and in this case we need to change the font used by
+        // the native window to the default for this class, i.e. exactly what
+        // GetFont() returns
+        WXHANDLE hFont = GetFont().GetResourceHandle();

 
         wxASSERT_MSG( hFont, wxT("should have valid font") );
 
 
         wxASSERT_MSG( hFont, wxT("should have valid font") );
 


@@ -1130,10 +1141,10 @@ void wxWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 #ifdef __WXWINCE__
     wxUnusedVar(dir);
 #else
 #ifdef __WXWINCE__
     wxUnusedVar(dir);
 #else

-    const HWND hwnd = GetHwnd();
-    wxCHECK_RET( hwnd, _T("layout direction must be set after window creation") );
+    wxCHECK_RET( GetHwnd(),
+                 _T("layout direction must be set after window creation") );

 
 

-    LONG styleOld = ::GetWindowLong(hwnd, GWL_EXSTYLE);
+    LONG styleOld = wxGetWindowExStyle(this);

 
     LONG styleNew = styleOld;
     switch ( dir )
 
     LONG styleNew = styleOld;
     switch ( dir )


@@ -1153,7 +1164,7 @@ void wxWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
 
     if ( styleNew != styleOld )
     {
 
     if ( styleNew != styleOld )
     {

-        ::SetWindowLong(hwnd, GWL_EXSTYLE, styleNew);
+        wxSetWindowExStyle(this, styleNew);

     }
 #endif
 }
     }
 #endif
 }


@@ -1163,12 +1174,10 @@ wxLayoutDirection wxWindowMSW::GetLayoutDirection() const
 #ifdef __WXWINCE__
     return wxLayout_Default;
 #else
 #ifdef __WXWINCE__
     return wxLayout_Default;
 #else

-    const HWND hwnd = GetHwnd();
-    wxCHECK_MSG( hwnd, wxLayout_Default, _T("invalid window") );
+    wxCHECK_MSG( GetHwnd(), wxLayout_Default, _T("invalid window") );

 
 

-    return ::GetWindowLong(hwnd, GWL_EXSTYLE) & WS_EX_LAYOUTRTL
-                ? wxLayout_RightToLeft
-                : wxLayout_LeftToRight;
+    return wxHasWindowExStyle(this, WS_EX_LAYOUTRTL) ? wxLayout_RightToLeft
+                                                     : wxLayout_LeftToRight;

 #endif
 }
 
 #endif
 }
 


@@ -1379,14 +1388,14 @@ void wxWindowMSW::MSWUpdateStyle(long flagsOld, long exflagsOld)
     }
 
     // and the extended style
     }
 
     // and the extended style

-    long exstyleReal = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
+    long exstyleReal = wxGetWindowExStyle(this);

 
     if ( exstyle != exstyleOld )
     {
         exstyleReal &= ~exstyleOld;
         exstyleReal |= exstyle;
 
 
     if ( exstyle != exstyleOld )
     {
         exstyleReal &= ~exstyleOld;
         exstyleReal |= exstyle;
 

-        ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyleReal);
+        wxSetWindowExStyle(this, exstyleReal);

 
         // ex style changes don't take effect without calling SetWindowPos
         callSWP = true;
 
         // ex style changes don't take effect without calling SetWindowPos
         callSWP = true;


@@ -1594,7 +1603,7 @@ bool wxWindowMSW::Reparent(wxWindowBase *parent)
     ::SetParent(hWndChild, hWndParent);
 
 #ifndef __WXWINCE__
     ::SetParent(hWndChild, hWndParent);
 
 #ifndef __WXWINCE__

-    if ( ::GetWindowLong(hWndChild, GWL_EXSTYLE) & WS_EX_CONTROLPARENT )
+    if ( wxHasWindowExStyle(this, WS_EX_CONTROLPARENT) )

     {
         EnsureParentHasControlParentStyle(GetParent());
     }
     {
         EnsureParentHasControlParentStyle(GetParent());
     }


@@ -1612,20 +1621,22 @@ static inline void SendSetRedraw(HWND hwnd, bool on)
 
 void wxWindowMSW::DoFreeze()
 {
 
 void wxWindowMSW::DoFreeze()
 {

-    if ( IsShown() )
-        SendSetRedraw(GetHwnd(), false);
+    if ( !IsShown() )
+        return; // no point in freezing hidden window
+
+    SendSetRedraw(GetHwnd(), false);

 }
 
 void wxWindowMSW::DoThaw()
 {
 }
 
 void wxWindowMSW::DoThaw()
 {

-    if ( IsShown() )
-    {
-        SendSetRedraw(GetHwnd(), true);
+    if ( !IsShown() )
+        return; // hidden windows aren't frozen by DoFreeze

 
 

-        // we need to refresh everything or otherwise the invalidated area
-        // is not going to be repainted
-        Refresh();
-    }
+    SendSetRedraw(GetHwnd(), true);
+
+    // we need to refresh everything or otherwise the invalidated area
+    // is not going to be repainted
+    Refresh();

 }
 
 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
 }
 
 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)


@@ -2536,8 +2547,7 @@ bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* msg)
         {
             wxWindow * const win = node->GetData();
             if ( win->CanAcceptFocus() &&
         {
             wxWindow * const win = node->GetData();
             if ( win->CanAcceptFocus() &&

-                    !(::GetWindowLong(GetHwndOf(win), GWL_EXSTYLE) &
-                        WS_EX_CONTROLPARENT) )
+                    !wxHasWindowExStyle(win, WS_EX_CONTROLPARENT) )

             {
                 // it shouldn't hang...
                 canSafelyCallIsDlgMsg = true;
             {
                 // it shouldn't hang...
                 canSafelyCallIsDlgMsg = true;


@@ -3664,6 +3674,12 @@ bool wxWindowMSW::MSWCreate(const wxChar *wclass,
                             WXDWORD style,
                             WXDWORD extendedStyle)
 {
                             WXDWORD style,
                             WXDWORD extendedStyle)
 {

+    // check a common bug in the user code: if the window is created with a
+    // non-default ctor and Create() is called too, we'd create 2 HWND for a
+    // single wxWindow object and this results in all sorts of trouble,
+    // especially for wxTLWs
+    wxCHECK_MSG( !m_hWnd, true, "window can't be recreated" );
+

     // choose the position/size for the new window
     int x, y, w, h;
     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);
     // choose the position/size for the new window
     int x, y, w, h;
     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);


@@ -3903,7 +3919,7 @@ bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
     wxCloseEvent event(wxEVT_END_SESSION, wxID_ANY);
     event.SetEventObject(wxTheApp);
     event.SetCanVeto(false);
     wxCloseEvent event(wxEVT_END_SESSION, wxID_ANY);
     event.SetEventObject(wxTheApp);
     event.SetCanVeto(false);

-    event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
+    event.SetLoggingOff((logOff & ENDSESSION_LOGOFF) != 0);

 
     return wxTheApp->ProcessEvent(event);
 #else
 
     return wxTheApp->ProcessEvent(event);
 #else


@@ -4246,17 +4262,33 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
 
 bool wxWindowMSW::IsDoubleBuffered() const
 {
 
 bool wxWindowMSW::IsDoubleBuffered() const
 {

-    for ( const wxWindowMSW *wnd = this;
-          wnd && !wnd->IsTopLevel(); wnd =
-          wnd->GetParent() )
+    for ( const wxWindowMSW *win = this; win; win = win->GetParent() )

     {
     {

-        if ( ::GetWindowLong(GetHwndOf(wnd), GWL_EXSTYLE) & WS_EX_COMPOSITED )
+        if ( wxHasWindowExStyle(win, WS_EX_COMPOSITED) )

             return true;
             return true;

+
+        if ( win->IsTopLevel() )
+            break;

     }
 
     return false;
 }
 
     }
 
     return false;
 }
 

+void wxWindowMSW::SetDoubleBuffered(bool on)
+{
+    // Get the current extended style bits
+    long exstyle = wxGetWindowExStyle(this);
+
+    // Twiddle the bit as needed
+    if ( on )
+        exstyle |= WS_EX_COMPOSITED;
+    else
+        exstyle &= ~WS_EX_COMPOSITED;
+
+    // put it back
+    wxSetWindowExStyle(this, exstyle);
+}
+

 // ---------------------------------------------------------------------------
 // owner drawn stuff
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // owner drawn stuff
 // ---------------------------------------------------------------------------


@@ -5067,12 +5099,8 @@ bool wxWindowMSW::HandleCommand(WXWORD id_, WXWORD cmd, WXHWND control)
     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
     if ( !control )
     {
     // coming from a control to wxEVT_COMMAND_MENU_SELECTED
     if ( !control )
     {

-        // If no child window, it may be an accelerator, e.g. for a popup menu
-        // command
-
-        wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED);
+        wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);

         event.SetEventObject(this);
         event.SetEventObject(this);

-        event.SetId(id);

         event.SetInt(id);
 
         return HandleWindowEvent(event);
         event.SetInt(id);
 
         return HandleWindowEvent(event);


@@ -5609,18 +5637,19 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
     return wxNOT_FOUND;
 }
 
     return wxNOT_FOUND;
 }
 

-bool wxWindowMSW::HandleClipboardEvent( WXUINT nMsg )
+#endif // wxUSE_MENUS
+
+bool wxWindowMSW::HandleClipboardEvent(WXUINT nMsg)

 {
 {

-    const wxEventType type = ( nMsg == WM_CUT ) ? wxEVT_COMMAND_TEXT_CUT :
-                             ( nMsg == WM_COPY ) ? wxEVT_COMMAND_TEXT_COPY :
-                           /*( nMsg == WM_PASTE ) ? */ wxEVT_COMMAND_TEXT_PASTE;
+    const wxEventType type = nMsg == WM_CUT       ? wxEVT_COMMAND_TEXT_CUT
+                           : nMsg == WM_COPY      ? wxEVT_COMMAND_TEXT_COPY
+                           : /* nMsg == WM_PASTE */ wxEVT_COMMAND_TEXT_PASTE;

     wxClipboardTextEvent evt(type, GetId());
 
     evt.SetEventObject(this);
 
     return HandleWindowEvent(evt);
 }
     wxClipboardTextEvent evt(type, GetId());
 
     evt.SetEventObject(this);
 
     return HandleWindowEvent(evt);
 }

-#endif // wxUSE_MENUS

 
 // ---------------------------------------------------------------------------
 // joystick
 
 // ---------------------------------------------------------------------------
 // joystick