Don't needlessly indirect through NSNotificationCenter.

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

diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp
index 377fb2b361b06e391b276db5abc53aca57a398d7..fb819ab3e64de579c6e82d923a14af29bffe127c 100644 (file)
--- a/src/generic/htmllbox.cpp
+++ b/src/generic/htmllbox.cpp
@@ -39,6 +39,16 @@
 #include "wx/html/forcelnk.h"
 FORCE_WXHTML_MODULES()
 
 #include "wx/html/forcelnk.h"
 FORCE_WXHTML_MODULES()
 

+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// small border always added to the cells:
+static const wxCoord CELL_BORDER = 2;
+
+const wxChar wxHtmlListBoxNameStr[] = wxT("htmlListBox");
+const wxChar wxSimpleHtmlListBoxNameStr[] = wxT("simpleHtmlListBox");
+

 // ============================================================================
 // private classes
 // ============================================================================
 // ============================================================================
 // private classes
 // ============================================================================


@@ -51,6 +61,15 @@ FORCE_WXHTML_MODULES()
 // the items to avoid doing it anew each time an item must be drawn
 class wxHtmlListBoxCache
 {
 // 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()
     {
 public:
     wxHtmlListBoxCache()
     {


@@ -76,9 +95,7 @@ public:
     {
         for ( size_t n = 0; n < SIZE; n++ )
         {
     {
         for ( size_t n = 0; n < SIZE; n++ )
         {

-            m_items[n] = (size_t)-1;
-            delete m_cells[n];
-            m_cells[n] = NULL;
+            InvalidateItem(n);

         }
     }
 
         }
     }
 


@@ -109,6 +126,18 @@ public:
             m_next = 0;
     }
 
             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 };
 private:
     // the max number of the items we cache
     enum { SIZE = 50 };


@@ -132,7 +161,7 @@ private:
 class wxHtmlListBoxStyle : public wxDefaultHtmlRenderingStyle
 {
 public:
 class wxHtmlListBoxStyle : public wxDefaultHtmlRenderingStyle
 {
 public:

-    wxHtmlListBoxStyle(wxHtmlListBox& hlbox) : m_hlbox(hlbox) { }
+    wxHtmlListBoxStyle(const wxHtmlListBox& hlbox) : m_hlbox(hlbox) { }

 
     virtual wxColour GetSelectedTextColour(const wxColour& colFg)
     {
 
     virtual wxColour GetSelectedTextColour(const wxColour& colFg)
     {


@@ -150,13 +179,14 @@ private:
     DECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle)
 };
 
     DECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle)
 };
 

-

 // ----------------------------------------------------------------------------
 // event tables
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(wxHtmlListBox, wxVListBox)
     EVT_SIZE(wxHtmlListBox::OnSize)
 // ----------------------------------------------------------------------------
 // event tables
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(wxHtmlListBox, wxVListBox)
     EVT_SIZE(wxHtmlListBox::OnSize)

+    EVT_MOTION(wxHtmlListBox::OnMouseMove)
+    EVT_LEFT_DOWN(wxHtmlListBox::OnLeftDown)

 END_EVENT_TABLE()
 
 // ============================================================================
 END_EVENT_TABLE()
 
 // ============================================================================


@@ -170,6 +200,26 @@ IMPLEMENT_ABSTRACT_CLASS(wxHtmlListBox, wxVListBox)
 // wxHtmlListBox creation
 // ----------------------------------------------------------------------------
 
 // wxHtmlListBox creation
 // ----------------------------------------------------------------------------
 

+wxHtmlListBox::wxHtmlListBox()
+    : wxHtmlWindowMouseHelper(this)
+{
+    Init();
+}
+
+// normal constructor which calls Create() internally
+wxHtmlListBox::wxHtmlListBox(wxWindow *parent,
+                             wxWindowID id,
+                             const wxPoint& pos,
+                             const wxSize& size,
+                             long style,
+                             const wxString& name)
+    : wxHtmlWindowMouseHelper(this)
+{
+    Init();
+
+    (void)Create(parent, id, pos, size, style, name);
+}
+

 void wxHtmlListBox::Init()
 {
     m_htmlParser = NULL;
 void wxHtmlListBox::Init()
 {
     m_htmlParser = NULL;


@@ -240,10 +290,13 @@ void wxHtmlListBox::CacheItem(size_t n) const
         {
             wxHtmlListBox *self = wxConstCast(this, wxHtmlListBox);
 
         {
             wxHtmlListBox *self = wxConstCast(this, wxHtmlListBox);
 

-            self->m_htmlParser = new wxHtmlWinParser;
+            self->m_htmlParser = new wxHtmlWinParser(self);

             m_htmlParser->SetDC(new wxClientDC(self));
             m_htmlParser->SetFS(&self->m_filesystem);
             m_htmlParser->SetDC(new wxClientDC(self));
             m_htmlParser->SetFS(&self->m_filesystem);

-
+#if !wxUSE_UNICODE
+            if (GetFont().Ok())
+                m_htmlParser->SetInputEncoding(GetFont().GetEncoding());
+#endif

             // use system's default GUI font by default:
             m_htmlParser->SetStandardFonts();
         }
             // use system's default GUI font by default:
             m_htmlParser->SetStandardFonts();
         }


@@ -252,6 +305,10 @@ void wxHtmlListBox::CacheItem(size_t n) const
                 Parse(OnGetItemMarkup(n));
         wxCHECK_RET( cell, _T("wxHtmlParser::Parse() returned NULL?") );
 
                 Parse(OnGetItemMarkup(n));
         wxCHECK_RET( cell, _T("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->Layout(GetClientSize().x - 2*GetMargins().x);
 
         m_cache->Store(n, cell);
         cell->Layout(GetClientSize().x - 2*GetMargins().x);
 
         m_cache->Store(n, cell);


@@ -266,6 +323,20 @@ void wxHtmlListBox::OnSize(wxSizeEvent& event)
     event.Skip();
 }
 
     event.Skip();
 }
 

+void wxHtmlListBox::RefreshRow(size_t line)
+{
+    m_cache->InvalidateRange(line, line);
+
+    wxVListBox::RefreshRow(line);
+}
+
+void wxHtmlListBox::RefreshRows(size_t from, size_t to)
+{
+    m_cache->InvalidateRange(from, to);
+
+    wxVListBox::RefreshRows(from, to);
+}
+

 void wxHtmlListBox::RefreshAll()
 {
     m_cache->Clear();
 void wxHtmlListBox::RefreshAll()
 {
     m_cache->Clear();


@@ -294,21 +365,12 @@ void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 
     wxHtmlRenderingInfo htmlRendInfo;
 
 
     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);
-        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
     // 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+2, rect.y+2, 0, INT_MAX, htmlRendInfo);
+    cell->Draw(dc,
+               rect.x + CELL_BORDER, rect.y + CELL_BORDER,
+               0, INT_MAX, htmlRendInfo);

 }
 
 wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const
 }
 
 wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const


@@ -321,4 +383,283 @@ wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const
     return cell->GetHeight() + cell->GetDescent() + 4;
 }
 
     return cell->GetHeight() + cell->GetDescent() + 4;
 }
 

+// ----------------------------------------------------------------------------
+// wxHtmlListBox implementation of wxHtmlListBoxWinInterface
+// ----------------------------------------------------------------------------
+
+void wxHtmlListBox::SetHTMLWindowTitle(const wxString& WXUNUSED(title))
+{
+    // nothing to do
+}
+
+void wxHtmlListBox::OnHTMLLinkClicked(const wxHtmlLinkInfo& link)
+{
+    OnLinkClicked(GetItemForCell(link.GetHtmlCell()), link);
+}
+
+void wxHtmlListBox::OnLinkClicked(size_t WXUNUSED(n),
+                                  const wxHtmlLinkInfo& link)
+{
+    wxHtmlLinkEvent event(GetId(), link);
+    GetEventHandler()->ProcessEvent(event);
+}
+
+wxHtmlOpeningStatus
+wxHtmlListBox::OnHTMLOpeningURL(wxHtmlURLType WXUNUSED(type),
+                                const wxString& WXUNUSED(url),
+                                wxString *WXUNUSED(redirect)) const
+{
+    return wxHTML_OPEN;
+}
+
+wxPoint wxHtmlListBox::HTMLCoordsToWindow(wxHtmlCell *cell,
+                                          const wxPoint& pos) const
+{
+    return CellCoordsToPhysical(pos, cell);
+}
+
+wxWindow* wxHtmlListBox::GetHTMLWindow() { return this; }
+
+wxColour wxHtmlListBox::GetHTMLBackgroundColour() const
+{
+    return GetBackgroundColour();
+}
+
+void wxHtmlListBox::SetHTMLBackgroundColour(const wxColour& WXUNUSED(clr))
+{
+    // nothing to do
+}
+
+void wxHtmlListBox::SetHTMLBackgroundImage(const wxBitmap& WXUNUSED(bmpBg))
+{
+    // nothing to do
+}
+
+void wxHtmlListBox::SetHTMLStatusText(const wxString& WXUNUSED(text))
+{
+    // nothing to do
+}
+
+wxCursor wxHtmlListBox::GetHTMLCursor(HTMLCursor type) const
+{
+    // we don't want to show text selection cursor in listboxes
+    if (type == HTMLCursor_Text)
+        return wxHtmlWindow::GetDefaultHTMLCursor(HTMLCursor_Default);
+
+    // in all other cases, use the same cursor as wxHtmlWindow:
+    return wxHtmlWindow::GetDefaultHTMLCursor(type);
+}
+
+// ----------------------------------------------------------------------------
+// wxHtmlListBox handling of HTML links
+// ----------------------------------------------------------------------------
+
+wxPoint wxHtmlListBox::GetRootCellCoords(size_t n) const
+{
+    wxPoint pos(CELL_BORDER, CELL_BORDER);
+    pos += GetMargins();
+    pos.y += GetRowsHeight(GetVisibleBegin(), n);
+    return pos;
+}
+
+bool wxHtmlListBox::PhysicalCoordsToCell(wxPoint& pos, wxHtmlCell*& cell) const
+{
+    int n = HitTest(pos);
+    if ( n == wxNOT_FOUND )
+        return false;
+
+    // convert mouse coordinates to coords relative to item's wxHtmlCell:
+    pos -= GetRootCellCoords(n);
+
+    CacheItem(n);
+    cell = m_cache->Get(n);
+
+    return true;
+}
+
+size_t wxHtmlListBox::GetItemForCell(const wxHtmlCell *cell) const
+{
+    wxCHECK_MSG( cell, 0, _T("no cell") );
+
+    cell = cell->GetRootCell();
+
+    wxCHECK_MSG( cell, 0, _T("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") );
+        return 0;
+    }
+
+    return n;
+}
+
+wxPoint
+wxHtmlListBox::CellCoordsToPhysical(const wxPoint& pos, wxHtmlCell *cell) const
+{
+    return pos + GetRootCellCoords(GetItemForCell(cell));
+}
+
+void wxHtmlListBox::OnInternalIdle()
+{
+    wxVListBox::OnInternalIdle();
+
+    if ( wxHtmlWindowMouseHelper::DidMouseMove() )
+    {
+        wxPoint pos = ScreenToClient(wxGetMousePosition());
+        wxHtmlCell *cell;
+
+        if ( !PhysicalCoordsToCell(pos, cell) )
+            return;
+
+        wxHtmlWindowMouseHelper::HandleIdle(cell, pos);
+    }
+}
+
+void wxHtmlListBox::OnMouseMove(wxMouseEvent& event)
+{
+    wxHtmlWindowMouseHelper::HandleMouseMoved();
+    event.Skip();
+}
+
+void wxHtmlListBox::OnLeftDown(wxMouseEvent& event)
+{
+    wxPoint pos = event.GetPosition();
+    wxHtmlCell *cell;
+
+    if ( !PhysicalCoordsToCell(pos, cell) )
+    {
+        event.Skip();
+        return;
+    }
+
+    if ( !wxHtmlWindowMouseHelper::HandleMouseClick(cell, pos, event) )
+    {
+        // no link was clicked, so let the listbox code handle the click (e.g.
+        // by selecting another item in the list):
+        event.Skip();
+    }
+}
+
+
+// ----------------------------------------------------------------------------
+// wxSimpleHtmlListBox
+// ----------------------------------------------------------------------------
+
+bool wxSimpleHtmlListBox::Create(wxWindow *parent, wxWindowID id,
+                                 const wxPoint& pos,
+                                 const wxSize& size,
+                                 int n, const wxString choices[],
+                                 long style,
+                                 const wxValidator& validator,
+                                 const wxString& name)
+{
+    if (!wxHtmlListBox::Create(parent, id, pos, size, style, name))
+        return false;
+
+#if wxUSE_VALIDATORS
+    SetValidator(validator);

 #endif
 #endif

+
+    Append(n, choices);
+
+    return true;
+}
+
+bool wxSimpleHtmlListBox::Create(wxWindow *parent, wxWindowID id,
+                                 const wxPoint& pos,
+                                 const wxSize& size,
+                                 const wxArrayString& choices,
+                                 long style,
+                                 const wxValidator& validator,
+                                 const wxString& name)
+{
+    if (!wxHtmlListBox::Create(parent, id, pos, size, style, name))
+        return false;
+
+#if wxUSE_VALIDATORS
+    SetValidator(validator);
+#endif
+
+    Append(choices);
+
+    return true;
+}
+
+wxSimpleHtmlListBox::~wxSimpleHtmlListBox()
+{
+    wxItemContainer::Clear();
+}
+
+void wxSimpleHtmlListBox::DoClear()
+{
+    wxASSERT(m_items.GetCount() == m_HTMLclientData.GetCount());
+
+    m_items.Clear();
+    m_HTMLclientData.Clear();
+
+    UpdateCount();
+}
+
+void wxSimpleHtmlListBox::DoDeleteOneItem(unsigned int n)
+{
+    m_items.RemoveAt(n);
+
+    m_HTMLclientData.RemoveAt(n);
+
+    UpdateCount();
+}
+
+int wxSimpleHtmlListBox::DoInsertItems(const wxArrayStringsAdapter& items,
+                                       unsigned int pos,
+                                       void **clientData,
+                                       wxClientDataType type)
+{
+    const unsigned int count = items.GetCount();
+
+    m_items.Insert(wxEmptyString, pos, count);
+    m_HTMLclientData.Insert(NULL, pos, count);
+
+    for ( unsigned int i = 0; i < count; ++i, ++pos )
+    {
+        m_items[pos] = items[i];
+        AssignNewItemClientData(pos, clientData, i, type);
+    }
+
+    UpdateCount();
+
+    return pos;
+}
+
+void wxSimpleHtmlListBox::SetString(unsigned int n, const wxString& s)
+{
+    wxCHECK_RET( IsValid(n),
+                 wxT("invalid index in wxSimpleHtmlListBox::SetString") );
+
+    m_items[n]=s;
+    RefreshRow(n);
+}
+
+wxString wxSimpleHtmlListBox::GetString(unsigned int n) const
+{
+    wxCHECK_MSG( IsValid(n), wxEmptyString,
+                 wxT("invalid index in wxSimpleHtmlListBox::GetString") );
+
+    return m_items[n];
+}
+
+void wxSimpleHtmlListBox::UpdateCount()
+{
+    wxASSERT(m_items.GetCount() == m_HTMLclientData.GetCount());
+    wxHtmlListBox::SetItemCount(m_items.GetCount());
+
+    // very small optimization: if you need to add lot of items to
+    // a wxSimpleHtmlListBox be sure to use the
+    // wxSimpleHtmlListBox::Append(const wxArrayString&) method instead!
+    if (!this->IsFrozen())
+        RefreshAll();
+}
+
+#endif // wxUSE_HTML