updates for DoGetBestSize

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4639 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/app.cpp

@@ -923,4 +923,3 @@ void wxSetInstance(HINSTANCE hInst)
     wxhInstance = hInst;
 }
 
-

src/os2/button.cpp

@@ -72,14 +72,14 @@ wxButton::~wxButton()
 // size management including autosizing
 // ----------------------------------------------------------------------------
 
-wxSize wxButton::DoGetBestSize()
+wxSize wxButton::DoGetBestSize() const
 {
     wxString label = wxGetWindowText(GetHWND());
     int wBtn;
     GetTextExtent(label, &wBtn, NULL);
 
     int wChar, hChar;
-    wxGetCharSize(GetHWND(), &wChar, &hChar, &GetFont());
+    wxGetCharSize(GetHWND(), &wChar, &hChar, (wxFont*)&GetFont());
 
     // add a margin - the button is wider than just its label
     wBtn += 3*wChar;

src/os2/checkbox.cpp

@@ -96,7 +96,7 @@ void wxCheckBox::SetLabel(const wxString& label)
     // TODO
 }
 
-wxSize wxCheckBox::DoGetBestSize()
+wxSize wxCheckBox::DoGetBestSize() const
 {
     int wCheckbox, hCheckbox;
 

src/os2/choice.cpp

@@ -216,7 +216,7 @@ void wxChoice::DoSetSize(int x, int y,
     wxControl::DoSetSize(x, y, width, -1, sizeFlags);
 }
 
-wxSize wxChoice::DoGetBestSize()
+wxSize wxChoice::DoGetBestSize() const
 {
     // find the widest string
     int wLine;
@@ -237,7 +237,7 @@ wxSize wxChoice::DoGetBestSize()
 
     // the combobox should be larger than the widest string
     int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+    wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont());
 
     wChoice += 5*cx;
 

src/os2/control.cpp

@@ -81,7 +81,7 @@ bool wxControl::OS2CreateControl(const wxChar *classname, WXDWORD style)
     return TRUE;
 }
 
-wxSize wxControl::DoGetBestSize()
+wxSize wxControl::DoGetBestSize() const
 {
     return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
 }

src/os2/listbox.cpp

@@ -606,7 +606,7 @@ void wxListBox::SetHorizontalExtent(const wxString& s)
 */
 }
 
-wxSize wxListBox::DoGetBestSize()
+wxSize wxListBox::DoGetBestSize() const
 {
     // find the widest string
     int wLine;
@@ -626,7 +626,7 @@ wxSize wxListBox::DoGetBestSize()
 
     // the listbox should be slightly larger than the widest string
     int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+    wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont());
 
     wListbox += 3*cx;
 

src/os2/spinbutt.cpp

@@ -65,7 +65,7 @@ wxSpinButton::~wxSpinButton()
 // size calculation
 // ----------------------------------------------------------------------------
 
-wxSize wxSpinButton::DoGetBestSize()
+wxSize wxSpinButton::DoGetBestSize() const
 {
     // TODO:
 /*

src/os2/statbmp.cpp

@@ -100,7 +100,7 @@ void wxStaticBitmap::Free()
     m_image.icon = NULL;
 }
 
-wxSize wxStaticBitmap::DoGetBestSize()
+wxSize wxStaticBitmap::DoGetBestSize() const
 {
     // reuse the current size (as wxWindow does) instead of using some
     // arbitrary default size (as wxControl, our immediate base class, does)

src/os2/statbox.cpp

@@ -93,10 +93,10 @@ bool wxStaticBox::Create(wxWindow *parent, wxWindowID id,
   return FALSE;
 }
 
-wxSize wxStaticBox::DoGetBestSize()
+wxSize wxStaticBox::DoGetBestSize() const
 {
     int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+    wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont());
 
     int wBox;
     GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy);

src/os2/stattext.cpp

@@ -60,20 +60,33 @@ bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
     return FALSE;
 }
 
-wxSize wxStaticText::DoGetBestSize()
+wxSize wxStaticText::DoGetBestSize() const
 {
     wxString text(wxGetWindowText(GetHWND()));
 
     int widthTextMax = 0, widthLine,
-        heightTextTotal = 0, heightLine;
+        heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 
     wxString curLine;
     for ( const wxChar *pc = text; ; pc++ ) {
         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
-            GetTextExtent(curLine, &widthLine, &heightLine);
-            if ( widthLine > widthTextMax )
-                widthTextMax = widthLine;
-            heightTextTotal += heightLine;
+            if ( !curLine ) {
+                // we can't use GetTextExtent - it will return 0 for both width
+                // and height and an empty line should count in height
+                // calculation
+                if ( !heightLineDefault )
+                    heightLineDefault = heightLine;
+                if ( !heightLineDefault )
+                    GetTextExtent(_T("W"), NULL, &heightLineDefault);
+
+                heightTextTotal += heightLineDefault;
+            }
+            else {
+                GetTextExtent(curLine, &widthLine, &heightLine);
+                if ( widthLine > widthTextMax )
+                    widthTextMax = widthLine;
+                heightTextTotal += heightLine;
+            }
 
             if ( *pc == wxT('\n') ) {
                curLine.Empty();

src/os2/textctrl.cpp

@@ -798,10 +798,10 @@ bool wxTextCtrl::AcceptsFocus() const
     return IsEditable() && wxControl::AcceptsFocus();
 }
 
-wxSize wxTextCtrl::DoGetBestSize()
+wxSize wxTextCtrl::DoGetBestSize() const
 {
     int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+    wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont());
 
     int wText = DEFAULT_ITEM_WIDTH;
 

src/os2/thread.cpp

@@ -239,48 +239,6 @@ void wxCondition::Broadcast()
     }
 }
 
-// ----------------------------------------------------------------------------
-// wxCriticalSection implementation
-// ----------------------------------------------------------------------------
-
-class wxCriticalSectionInternal
-{
-public:
-    // init the critical section object
-    wxCriticalSectionInternal()
-        { }
-
-    // free the associated ressources
-    ~wxCriticalSectionInternal()
-        { }
-
-private:
-};
-
-// ----------------------------------------------------------------------------
-// wxCriticalSection implementation
-// ----------------------------------------------------------------------------
-
-wxCriticalSection::wxCriticalSection()
-{
-    m_critsect = new wxCriticalSectionInternal;
-}
-
-wxCriticalSection::~wxCriticalSection()
-{
-    delete m_critsect;
-}
-
-void wxCriticalSection::Enter()
-{
-    ::DosEnterCritSec();
-}
-
-void wxCriticalSection::Leave()
-{
-    ::DosExitCritSec();
-}
-
 // ----------------------------------------------------------------------------
 // wxThread implementation
 // ----------------------------------------------------------------------------

src/os2/window.cpp

@@ -814,12 +814,6 @@ void wxWindow::DoSetSize(int x, int y,
     // TODO:
 }
 
-// for a generic window there is no natural best size - just use the current one
-wxSize wxWindow::DoGetBestSize()
-{
-    return GetSize();
-}
-
 void wxWindow::DoSetClientSize(int width, int height)
 {
     // TODO: