added stock menu items support

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

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index 15e772930256e6496d05784aa08335ce91466fd9..a4dd69467261b7e997f2de2987981779c615d908 100644 (file)
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -207,10 +207,19 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
 #endif
 
     // next translate the individual flags
-    if ( style & wxMINIMIZE_BOX )
-        msflags |= WS_MINIMIZEBOX;
-    if ( style & wxMAXIMIZE_BOX )
-        msflags |= WS_MAXIMIZEBOX;
+
+    // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX
+    // and is ignored if we specify both of them, but chances are that if we
+    // use wxWS_EX_CONTEXTHELP, we really do want to have the context help
+    // button while wxMINIMIZE/wxMAXIMIZE are included by default, so the help
+    // takes precedence
+    if ( !(GetExtraStyle() & wxWS_EX_CONTEXTHELP) )
+    {
+        if ( style & wxMINIMIZE_BOX )
+            msflags |= WS_MINIMIZEBOX;
+        if ( style & wxMAXIMIZE_BOX )
+            msflags |= WS_MAXIMIZEBOX;
+    }
 
 #ifndef __WXWINCE__
     if ( style & wxSYSTEM_MENU )
@@ -264,7 +273,7 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
             //else: nothing to do [here]
         }
 
-        if ( GetExtraStyle() & wxFRAME_EX_CONTEXTHELP )
+        if ( GetExtraStyle() & wxWS_EX_CONTEXTHELP )
             *exflags |= WS_EX_CONTEXTHELP;
 #endif // !__WXWINCE__
 
@@ -492,20 +501,9 @@ bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
     WXDWORD exflags;
     WXDWORD flags = MSWGetCreateWindowFlags(&exflags);
 
-    wxSize sz;
-
-    if (IsAlwaysMaximized())
-    {
-        sz = wxDefaultSize;
-    }
-    else
-    {
-        sz = size;
-    }
+    const wxSize sz = IsAlwaysMaximized() ? wxDefaultSize : size;
 
-    bool result = MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
-
-    return result;
+    return MSWCreate(wxCanvasClassName, title, pos, sz, flags, exflags);
 }
 
 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
@@ -686,6 +684,11 @@ bool wxTopLevelWindowMSW::Show(bool show)
         frame->GetMenuBar()->AddAdornments(GetWindowStyleFlag());
 #endif
 
+    // we only set pending size if we're maximized before being shown, now that
+    // we're shown we don't need it any more (it is reset in size event handler
+    // for child windows but we have to do it ourselves for this parent window)
+    m_pendingSize = wxDefaultSize;
+
     return true;
 }
 
@@ -712,9 +715,15 @@ void wxTopLevelWindowMSW::Maximize(bool maximize)
         // it's shown, so return our size as it will be then in this case
         if ( maximize )
         {
-            // unfortunately we don't know which display we're on yet so we
-            // have to use the default one
-            SetSize(wxGetClientDisplayRect().GetSize());
+            // we must only change pending size here, and not call SetSize()
+            // because otherwise Windows would think that this (full screen)
+            // size is the natural size for the frame and so would use it when
+            // the user clicks on "restore" title bar button instead of the
+            // correct initial frame size
+            //
+            // NB: unfortunately we don't know which display we're on yet so we
+            //     have to use the default one
+            m_pendingSize = wxGetClientDisplayRect().GetSize();
         }
         //else: can't do anything in this case, we don't have the old size
     }
@@ -1034,6 +1043,52 @@ void wxTopLevelWindowMSW::RequestUserAttention(int flags)
     }
 }
 
+// ---------------------------------------------------------------------------
+
+bool wxTopLevelWindowMSW::SetTransparent(wxByte alpha)
+{
+    typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
+    static PSETLAYEREDWINDOWATTR pSetLayeredWindowAttributes = NULL;
+
+    if ( pSetLayeredWindowAttributes == NULL )
+    {
+        wxDynamicLibrary dllUser32(_T("user32.dll"));
+        pSetLayeredWindowAttributes = (PSETLAYEREDWINDOWATTR)
+            dllUser32.GetSymbol(wxT("SetLayeredWindowAttributes"));
+    }
+    if ( pSetLayeredWindowAttributes == NULL )
+        return false;
+
+    LONG exstyle = GetWindowLong(GetHwnd(), GWL_EXSTYLE);
+
+    // if setting alpha to fully opaque then turn off the layered style
+    if (alpha == 255)
+    {
+        SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle & ~WS_EX_LAYERED);
+        Refresh();
+        return true;
+    }
+
+    // Otherwise, set the layered style if needed and set the alpha value
+    if ((exstyle & WS_EX_LAYERED) == 0 )
+        SetWindowLong(GetHwnd(), GWL_EXSTYLE, exstyle | WS_EX_LAYERED);
+
+    return pSetLayeredWindowAttributes(GetHwnd(), 0, (BYTE)alpha, LWA_ALPHA) != 0;   
+}
+
+bool wxTopLevelWindowMSW::CanSetTransparent()
+{
+    // The API is available on win2k and above
+    
+    static int os_type = -1;
+    static int ver_major = -1;
+
+    if (os_type == -1)
+        os_type = ::wxGetOsVersion(&ver_major);
+
+    return (os_type == wxOS_WINDOWS_NT && ver_major >= 5);
+}
+
 // ----------------------------------------------------------------------------
 // wxTopLevelWindow event handling
 // ----------------------------------------------------------------------------