Fix compiler warnings in the IE backend.

[wxWidgets.git] / src / generic / htmllbox.cpp

diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp
index 796b5070c3988b45d28e186b3a3136d5f4deb4fd..ccae40819faa20984f2e938991a7969777c1f44a 100644 (file)
--- a/src/generic/htmllbox.cpp
+++ b/src/generic/htmllbox.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        generic/htmllbox.cpp
+// Name:        src/generic/htmllbox.cpp
 // Purpose:     implementation of wxHtmlListBox
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     31.05.03
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
-// License:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -46,8 +46,8 @@ FORCE_WXHTML_MODULES()
 // small border always added to the cells:
 static const wxCoord CELL_BORDER = 2;
 
-const wxChar wxHtmlListBoxNameStr[] = wxT("htmlListBox");
-const wxChar wxSimpleHtmlListBoxNameStr[] = wxT("simpleHtmlListBox");
+const char wxHtmlListBoxNameStr[] = "htmlListBox";
+const char wxSimpleHtmlListBoxNameStr[] = "simpleHtmlListBox";
 
 // ============================================================================
 // private classes
@@ -66,8 +66,7 @@ private:
     void InvalidateItem(size_t n)
     {
         m_items[n] = (size_t)-1;
-        delete m_cells[n];
-        m_cells[n] = NULL;
+        wxDELETE(m_cells[n]);
     }
 
 public:
@@ -165,18 +164,33 @@ public:
 
     virtual wxColour GetSelectedTextColour(const wxColour& colFg)
     {
-        return m_hlbox.GetSelectedTextColour(colFg);
+        // by default wxHtmlListBox doesn't implement GetSelectedTextColour()
+        // and returns wxNullColour from it, so use the default HTML colour for
+        // selection
+        wxColour col = m_hlbox.GetSelectedTextColour(colFg);
+        if ( !col.IsOk() )
+        {
+            col = wxDefaultHtmlRenderingStyle::GetSelectedTextColour(colFg);
+        }
+
+        return col;
     }
 
     virtual wxColour GetSelectedTextBgColour(const wxColour& colBg)
     {
-        return m_hlbox.GetSelectedTextBgColour(colBg);
+        wxColour col = m_hlbox.GetSelectedTextBgColour(colBg);
+        if ( !col.IsOk() )
+        {
+            col = wxDefaultHtmlRenderingStyle::GetSelectedTextBgColour(colBg);
+        }
+
+        return col;
     }
 
 private:
     const wxHtmlListBox& m_hlbox;
 
-    DECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle)
+    wxDECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle);
 };
 
 // ----------------------------------------------------------------------------
@@ -254,10 +268,10 @@ wxHtmlListBox::~wxHtmlListBox()
 // wxHtmlListBox appearance
 // ----------------------------------------------------------------------------
 
-wxColour wxHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const
+wxColour
+wxHtmlListBox::GetSelectedTextColour(const wxColour& WXUNUSED(colFg)) const
 {
-    return m_htmlRendStyle->
-                wxDefaultHtmlRenderingStyle::GetSelectedTextColour(colFg);
+    return wxNullColour;
 }
 
 wxColour
@@ -303,11 +317,11 @@ void wxHtmlListBox::CacheItem(size_t n) const
 
         wxHtmlContainerCell *cell = (wxHtmlContainerCell *)m_htmlParser->
                 Parse(OnGetItemMarkup(n));
-        wxCHECK_RET( cell, _T("wxHtmlParser::Parse() returned NULL?") );
+        wxCHECK_RET( cell, wxT("wxHtmlParser::Parse() returned NULL?") );
 
         // set the cell's ID to item's index so that CellCoordsToPhysical()
         // can quickly find the item:
-        cell->SetId(wxString::Format(_T("%lu"), (unsigned long)n));
+        cell->SetId(wxString::Format(wxT("%lu"), (unsigned long)n));
 
         cell->Layout(GetClientSize().x - 2*GetMargins().x);
 
@@ -356,15 +370,52 @@ void wxHtmlListBox::SetItemCount(size_t count)
 // wxHtmlListBox implementation of wxVListBox pure virtuals
 // ----------------------------------------------------------------------------
 
+void
+wxHtmlListBox::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
+{
+    if ( IsSelected(n) )
+    {
+        if ( DoDrawSolidBackground
+             (
+                GetSelectedTextBgColour(GetBackgroundColour()),
+                dc,
+                rect,
+                n
+             ) )
+        {
+            return;
+        }
+        //else: no custom selection background colour, use base class version
+    }
+
+    wxVListBox::OnDrawBackground(dc, rect, n);
+}
+
 void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 {
     CacheItem(n);
 
     wxHtmlCell *cell = m_cache->Get(n);
-    wxCHECK_RET( cell, _T("this cell should be cached!") );
+    wxCHECK_RET( cell, wxT("this cell should be cached!") );
 
     wxHtmlRenderingInfo htmlRendInfo;
 
+    // draw the selected cell in selected state ourselves if we're using custom
+    // colours (to test for this, check the callbacks by passing them any dummy
+    // (but valid, to avoid asserts) colour):
+    if ( IsSelected(n) &&
+            (GetSelectedTextColour(*wxBLACK).IsOk() ||
+             GetSelectedTextBgColour(*wxWHITE).IsOk()) )
+    {
+        wxHtmlSelection htmlSel;
+        htmlSel.Set(wxPoint(0,0), cell, wxPoint(INT_MAX, INT_MAX), cell);
+        htmlRendInfo.SetSelection(&htmlSel);
+        htmlRendInfo.SetStyle(m_htmlRendStyle);
+        htmlRendInfo.GetState().SetSelectionState(wxHTML_SEL_IN);
+    }
+    //else: normal item or selected item with default colours, its background
+    //      was already taken care of in the base class
+
     // note that we can't stop drawing exactly at the window boundary as then
     // even the visible cells part could be not drawn, so always draw the
     // entire cell
@@ -378,7 +429,7 @@ wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const
     CacheItem(n);
 
     wxHtmlCell *cell = m_cache->Get(n);
-    wxCHECK_MSG( cell, 0, _T("this cell should be cached!") );
+    wxCHECK_MSG( cell, 0, wxT("this cell should be cached!") );
 
     return cell->GetHeight() + cell->GetDescent() + 4;
 }
@@ -479,17 +530,17 @@ bool wxHtmlListBox::PhysicalCoordsToCell(wxPoint& pos, wxHtmlCell*& cell) const
 
 size_t wxHtmlListBox::GetItemForCell(const wxHtmlCell *cell) const
 {
-    wxCHECK_MSG( cell, 0, _T("no cell") );
+    wxCHECK_MSG( cell, 0, wxT("no cell") );
 
     cell = cell->GetRootCell();
 
-    wxCHECK_MSG( cell, 0, _T("no root cell") );
+    wxCHECK_MSG( cell, 0, wxT("no root cell") );
 
     // the cell's ID contains item index, see CacheItem():
     unsigned long n;
     if ( !cell->GetId().ToULong(&n) )
     {
-        wxFAIL_MSG( _T("unexpected root cell's ID") );
+        wxFAIL_MSG( wxT("unexpected root cell's ID") );
         return 0;
     }
 
@@ -548,6 +599,9 @@ void wxHtmlListBox::OnLeftDown(wxMouseEvent& event)
 // wxSimpleHtmlListBox
 // ----------------------------------------------------------------------------
 
+IMPLEMENT_ABSTRACT_CLASS(wxSimpleHtmlListBox, wxHtmlListBox)
+
+
 bool wxSimpleHtmlListBox::Create(wxWindow *parent, wxWindowID id,
                                  const wxPoint& pos,
                                  const wxSize& size,
@@ -635,7 +689,7 @@ int wxSimpleHtmlListBox::DoInsertItems(const wxArrayStringsAdapter& items,
 
     UpdateCount();
 
-    return pos;
+    return pos - 1;
 }
 
 void wxSimpleHtmlListBox::SetString(unsigned int n, const wxString& s)