#include "wx/dcclient.h"
#endif //WX_PRECOMP
+#if wxUSE_HTML
+
#include "wx/htmllbox.h"
#include "wx/html/htmlcell.h"
#include "wx/html/forcelnk.h"
FORCE_WXHTML_MODULES()
-// ----------------------------------------------------------------------------
+// ============================================================================
// private classes
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxHtmlListBoxCache
// ----------------------------------------------------------------------------
// this class is used by wxHtmlListBox to cache the parsed representation of
// 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()
{
{
for ( size_t n = 0; n < SIZE; n++ )
{
- m_items[n] = (size_t)-1;
- delete m_cells[n];
- m_cells[n] = NULL;
+ InvalidateItem(n);
}
}
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 };
size_t m_items[SIZE];
};
+// ----------------------------------------------------------------------------
+// wxHtmlListBoxStyle
+// ----------------------------------------------------------------------------
+
+// just forward wxDefaultHtmlRenderingStyle callbacks to the main class so that
+// they could be overridden by the user code
+class wxHtmlListBoxStyle : public wxDefaultHtmlRenderingStyle
+{
+public:
+ wxHtmlListBoxStyle(const wxHtmlListBox& hlbox) : m_hlbox(hlbox) { }
+
+ virtual wxColour GetSelectedTextColour(const wxColour& colFg)
+ {
+ return m_hlbox.GetSelectedTextColour(colFg);
+ }
+
+ virtual wxColour GetSelectedTextBgColour(const wxColour& colBg)
+ {
+ return m_hlbox.GetSelectedTextBgColour(colBg);
+ }
+
+private:
+ const wxHtmlListBox& m_hlbox;
+
+ DECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle)
+};
+
+
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
// implementation
// ============================================================================
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlListBox, wxVListBox)
+
+
// ----------------------------------------------------------------------------
// wxHtmlListBox creation
// ----------------------------------------------------------------------------
void wxHtmlListBox::Init()
{
m_htmlParser = NULL;
+ m_htmlRendStyle = new wxHtmlListBoxStyle(*this);
m_cache = new wxHtmlListBoxCache;
}
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
- size_t countItems,
long style,
const wxString& name)
{
- return wxVListBox::Create(parent, id, pos, size, countItems, style, name);
+ return wxVListBox::Create(parent, id, pos, size, style, name);
}
wxHtmlListBox::~wxHtmlListBox()
{
delete m_cache;
+
if ( m_htmlParser )
{
delete m_htmlParser->GetDC();
delete m_htmlParser;
}
+
+ delete m_htmlRendStyle;
+}
+
+// ----------------------------------------------------------------------------
+// wxHtmlListBox appearance
+// ----------------------------------------------------------------------------
+
+wxColour wxHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const
+{
+ return m_htmlRendStyle->
+ wxDefaultHtmlRenderingStyle::GetSelectedTextColour(colFg);
+}
+
+wxColour
+wxHtmlListBox::GetSelectedTextBgColour(const wxColour& WXUNUSED(colBg)) const
+{
+ return GetSelectionBackground();
}
// ----------------------------------------------------------------------------
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->
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();
wxVListBox::RefreshAll();
}
+void wxHtmlListBox::SetItemCount(size_t count)
+{
+ // the items are going to change, forget the old ones
+ m_cache->Clear();
+
+ wxVListBox::SetItemCount(count);
+}
+
// ----------------------------------------------------------------------------
// wxHtmlListBox implementation of wxVListBox pure virtuals
// ----------------------------------------------------------------------------
wxHtmlCell *cell = m_cache->Get(n);
wxCHECK_RET( cell, _T("this cell should be cached!") );
- wxHtmlRenderingState htmlRendState;
+ wxHtmlRenderingInfo htmlRendInfo;
// draw the selected cell in selected state
if ( IsSelected(n) )
{
wxHtmlSelection htmlSel;
- htmlSel.Set(wxPoint(0, 0), cell, wxPoint(INT_MAX, INT_MAX), cell);
- htmlRendState.SetSelection(&htmlSel);
- htmlRendState.SetSelectionState(wxHTML_SEL_IN);
+ htmlSel.Set(wxPoint(0,0), cell, wxPoint(INT_MAX, INT_MAX), cell);
+ htmlRendInfo.SetSelection(&htmlSel);
+ if ( m_htmlRendStyle )
+ htmlRendInfo.SetStyle(m_htmlRendStyle);
+ htmlRendInfo.GetState().SetSelectionState(wxHTML_SEL_IN);
}
// 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, htmlRendState);
+ cell->Draw(dc, rect.x+2, rect.y+2, 0, INT_MAX, htmlRendInfo);
}
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
+
projects / wxWidgets.git / blobdiff