implementation of wxRendererXP::DrawComboBoxDropButton() (patch 1144845)

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

diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp
index dff147a45c6dc1592f97622051e2e30aca336b00..80d4442fb68746d3279e419ec5077049fe225775 100644 (file)
--- a/src/generic/htmllbox.cpp
+++ b/src/generic/htmllbox.cpp
@@ -28,6 +28,8 @@
     #include "wx/dcclient.h"
 #endif //WX_PRECOMP
 
+#if wxUSE_HTML
+
 #include "wx/htmllbox.h"
 
 #include "wx/html/htmlcell.h"
@@ -49,6 +51,15 @@ FORCE_WXHTML_MODULES()
 // the items to avoid doing it anew each time an item must be drawn
 class wxHtmlListBoxCache
 {
+private:
+    // invalidate a single item, used by Clear() and InvalidateRange()
+    void InvalidateItem(size_t n)
+    {
+        m_items[n] = (size_t)-1;
+        delete m_cells[n];
+        m_cells[n] = NULL;
+    }
+
 public:
     wxHtmlListBoxCache()
     {
@@ -74,9 +85,7 @@ public:
     {
         for ( size_t n = 0; n < SIZE; n++ )
         {
-            m_items[n] = (size_t)-1;
-            delete m_cells[n];
-            m_cells[n] = NULL;
+            InvalidateItem(n);
         }
     }
 
@@ -107,6 +116,18 @@ public:
             m_next = 0;
     }
 
+    // forget the cached value of the item(s) between the given ones (inclusive)
+    void InvalidateRange(size_t from, size_t to)
+    {
+        for ( size_t n = 0; n < SIZE; n++ )
+        {
+            if ( m_items[n] >= from && m_items[n] <= to )
+            {
+                InvalidateItem(n);
+            }
+        }
+    }
+
 private:
     // the max number of the items we cache
     enum { SIZE = 50 };
@@ -144,6 +165,8 @@ public:
 
 private:
     const wxHtmlListBox& m_hlbox;
+
+    DECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle)
 };
 
 
@@ -159,6 +182,9 @@ END_EVENT_TABLE()
 // implementation
 // ============================================================================
 
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlListBox, wxVListBox)
+
+
 // ----------------------------------------------------------------------------
 // wxHtmlListBox creation
 // ----------------------------------------------------------------------------
@@ -235,6 +261,10 @@ void wxHtmlListBox::CacheItem(size_t n) const
 
             self->m_htmlParser = new wxHtmlWinParser;
             m_htmlParser->SetDC(new wxClientDC(self));
+            m_htmlParser->SetFS(&self->m_filesystem);
+
+            // use system's default GUI font by default:
+            m_htmlParser->SetStandardFonts();
         }
 
         wxHtmlContainerCell *cell = (wxHtmlContainerCell *)m_htmlParser->
@@ -255,6 +285,20 @@ void wxHtmlListBox::OnSize(wxSizeEvent& event)
     event.Skip();
 }
 
+void wxHtmlListBox::RefreshLine(size_t line)
+{
+    m_cache->InvalidateRange(line, line);
+
+    wxVListBox::RefreshLine(line);
+}
+
+void wxHtmlListBox::RefreshLines(size_t from, size_t to)
+{
+    m_cache->InvalidateRange(from, to);
+
+    wxVListBox::RefreshLines(from, to);
+}
+
 void wxHtmlListBox::RefreshAll()
 {
     m_cache->Clear();
@@ -287,7 +331,7 @@ void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
     if ( IsSelected(n) )
     {
         wxHtmlSelection htmlSel;
-        htmlSel.Set(wxPoint(0, 0), cell, wxPoint(INT_MAX, INT_MAX), cell);
+        htmlSel.Set(wxPoint(0,0), cell, wxPoint(INT_MAX, INT_MAX), cell);
         htmlRendInfo.SetSelection(&htmlSel);
         if ( m_htmlRendStyle )
             htmlRendInfo.SetStyle(m_htmlRendStyle);
@@ -297,7 +341,7 @@ void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
     // 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
-    cell->Draw(dc, rect.x, rect.y, 0, INT_MAX, htmlRendInfo);
+    cell->Draw(dc, rect.x+2, rect.y+2, 0, INT_MAX, htmlRendInfo);
 }
 
 wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const
@@ -307,6 +351,8 @@ wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const
     wxHtmlCell *cell = m_cache->Get(n);
     wxCHECK_MSG( cell, 0, _T("this cell should be cached!") );
 
-    return cell->GetHeight() + cell->GetDescent();
+    return cell->GetHeight() + cell->GetDescent() + 4;
 }
 
+#endif // wxUSE_HTML
+