1. wxTreeCtrl::SetBackgroundColour() works (with new comctl32 anyhow)

2. wxToolTip should work with old comctl32


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5225 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/treectrl.h

@@ -442,6 +442,10 @@ public:
     virtual bool MSWCommand(WXUINT param, WXWORD id);
     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 
+    // override some base class virtuals
+    virtual bool SetBackgroundColour(const wxColour &colour);
+    virtual bool SetForegroundColour(const wxColour &colour);
+
     // get/set the check state for the item (only for wxTR_MULTIPLE)
     bool IsItemChecked(const wxTreeItemId& item) const;
     void SetItemCheck(const wxTreeItemId& item, bool check = TRUE);

src/msw/tooltip.cpp

@@ -63,10 +63,11 @@ static WNDPROC gs_wndprocToolTip = (WNDPROC)NULL;
 // private classes
 // ----------------------------------------------------------------------------
 
-// a simple wrapper around TOOLINFO Win32 structure
+// a wrapper around TOOLINFO Win32 structure
 #ifdef __VISUALC__
     #pragma warning( disable : 4097 ) // we inherit from a typedef - so what?
 #endif
+
 class wxToolInfo : public TOOLINFO
 {
 public:
@@ -75,11 +76,24 @@ public:
         // initialize all members
         ::ZeroMemory(this, sizeof(TOOLINFO));
 
+        // the structure TOOLINFO has been extended with a 4 byte field in
+        // version 4.70 of comctl32.dll and if we compile on a newer machine
+        // but run on one with the old version of comctl32, nothing will work
+        // because the library will detect that we rely on a more recent
+        // version of it. So we always use the old size - if we ever start
+        // using our lParam member, we'd have to check for comctl32 version
+        // during run-time
+#if defined(_WIN32_IE) && (_WIN32_IE >= 0x0300)
+        cbSize = sizeof(TOOLINFO) - sizeof(LPARAM);
+#else // old headers
         cbSize = sizeof(TOOLINFO);
+#endif // compile-time comctl32.dll version
+
         uFlags = TTF_IDISHWND;
         uId = (UINT)hwnd;
     }
 };
+
 #ifdef __VISUALC__
     #pragma warning( default : 4097 )
 #endif
@@ -252,8 +266,7 @@ void wxToolTip::Add(WXHWND hWnd)
 
     if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) )
     {
-        wxLogSysError(_("Failed to create the tooltip '%s'"),
-                      m_text.c_str());
+        wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str());
     }
 }
 

src/msw/treectrl.cpp

@@ -62,6 +62,16 @@
     #define TVIS_FOCUSED            0x0001
 #endif
 
+#ifndef TV_FIRST
+    #define TV_FIRST                0x1100
+#endif
+
+// old headers might miss these messages (comctl32.dll 4.71+ only)
+#ifndef TVM_SETBKCOLOR
+    #define TVM_SETBKCOLOR          (TV_FIRST + 29)
+    #define TVM_SETTEXTCOLOR        (TV_FIRST + 30)
+#endif
+
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
@@ -484,6 +494,30 @@ size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
     return counter.GetCount() - 1;
 }
 
+// ----------------------------------------------------------------------------
+// control colours
+// ----------------------------------------------------------------------------
+
+bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
+{
+    if ( !wxWindowBase::SetBackgroundColour(colour) )
+        return FALSE;
+
+    SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
+
+    return TRUE;
+}
+
+bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
+{
+    if ( !wxWindowBase::SetForegroundColour(colour) )
+        return FALSE;
+
+    SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
+
+    return TRUE;
+}
+
 // ----------------------------------------------------------------------------
 // Item access
 // ----------------------------------------------------------------------------