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

diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp
index cec5c0f8eda641398c906534965a2312f6c2f281..17bcc3fce808980930dd1d20c83e2a37bdcd1038 100644 (file)
--- a/src/msw/tooltip.cpp
+++ b/src/msw/tooltip.cpp
@@ -141,13 +141,13 @@ LRESULT APIENTRY wxToolTipWndProc(HWND hwndTT,
     {
         LPPOINT ppt = (LPPOINT)lParam;
 
-        // the window on which event occured
+        // the window on which event occurred
         HWND hwnd = ::WindowFromPoint(*ppt);
 
         OutputDebugString("TTM_WINDOWFROMPOINT: ");
         OutputDebugString(wxString::Format("0x%08x => ", hwnd));
 
-        // return a HWND corresponding to a wxWindow because only wxWindows are
+        // return a HWND corresponding to a wxWindow because only wxWidgets are
         // associated with tooltips using TTM_ADDTOOL
         wxWindow *win = wxGetWindowFromHWND((WXHWND)hwnd);
 
@@ -244,8 +244,9 @@ wxToolTip::wxToolTip(const wxString &tip)
 
 wxToolTip::~wxToolTip()
 {
-    // there is no need to Remove() this tool - it will be done automatically
-    // anyhow
+    // the tooltip has to be removed before deleting. Otherwise, if it is visible
+       // while being deleted, there will be a delay before it goes away.
+       Remove();
 }
 
 // ----------------------------------------------------------------------------
@@ -289,7 +290,7 @@ void wxToolTip::Add(WXHWND hWnd)
         if ( index != wxNOT_FOUND )
         {
 #ifdef TTM_SETMAXTIPWIDTH
-            if ( wxTheApp->GetComCtl32Version() >= 470 )
+            if ( wxApp::GetComCtl32Version() >= 470 )
             {
                 // use TTM_SETMAXTIPWIDTH to make tooltip multiline using the
                 // extent of its first line as max value
@@ -317,19 +318,27 @@ void wxToolTip::Add(WXHWND hWnd)
                 }
 
                 SIZE sz;
-                if ( !GetTextExtentPoint(hdc, m_text, index, &sz) )
+                if ( !::GetTextExtentPoint32(hdc, m_text, index, &sz) )
                 {
-                    wxLogLastError(wxT("GetTextExtentPoint"));
+                    wxLogLastError(wxT("GetTextExtentPoint32"));
                 }
 
                 SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH,
                                    0, (void *)sz.cx);
             }
+            else
 #endif // comctl32.dll >= 4.70
+            {
+                // replace the '\n's with spaces because otherwise they appear as
+                // unprintable characters in the tooltip string
+                m_text.Replace(_T("\n"), _T(" "));
+                ti.lpszText = (wxChar *)m_text.c_str(); // const_cast
 
-            // replace the '\n's with spaces because otherwise they appear as
-            // unprintable characters in the tooltip string
-            m_text.Replace(_T("\n"), _T(" "));
+                if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) )
+                {
+                    wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str());
+                }
+            }
         }
     }
 }
@@ -350,7 +359,7 @@ void wxToolTip::SetWindow(wxWindow *win)
     wxControl *control = wxDynamicCast(m_window, wxControl);
     if ( control )
     {
-        const wxArrayLong subcontrols = control->GetSubcontrols();
+        const wxArrayLong& subcontrols = control->GetSubcontrols();
         size_t count = subcontrols.GetCount();
         for ( size_t n = 0; n < count; n++ )
         {
@@ -360,7 +369,7 @@ void wxToolTip::SetWindow(wxWindow *win)
             {
                 // may be it's a child of parent of the control, in fact?
                 // (radiobuttons are subcontrols, i.e. children of the radiobox
-                // for wxWindows but are its siblings at Windows level)
+                // for wxWidgets but are its siblings at Windows level)
                 hwnd = GetDlgItem(GetHwndOf(m_window->GetParent()), id);
             }