X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/901b583c7117e84cecf01d741d61bc1ac1625ba7..032bc940fcde34cc649eaa111cd6aff1cda66104:/src/generic/htmllbox.cpp?ds=sidebyside

diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp
index 812e663dd7..c034af5f20 100644
--- 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"
@@ -38,13 +40,36 @@
 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
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// 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()
     {
@@ -70,9 +95,7 @@ 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);
         }
     }
 
@@ -103,6 +126,18 @@ 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 };
@@ -117,25 +152,78 @@ private:
     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
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(wxHtmlListBox, wxVListBox)
     EVT_SIZE(wxHtmlListBox::OnSize)
+    EVT_MOTION(wxHtmlListBox::OnMouseMove)
+    EVT_LEFT_DOWN(wxHtmlListBox::OnLeftDown)
 END_EVENT_TABLE()
 
 // ============================================================================
 // implementation
 // ============================================================================
 
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlListBox, wxVListBox)
+
+
 // ----------------------------------------------------------------------------
 // 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;
+    m_htmlRendStyle = new wxHtmlListBoxStyle(*this);
     m_cache = new wxHtmlListBoxCache;
 }
 
@@ -143,21 +231,39 @@ bool wxHtmlListBox::Create(wxWindow *parent,
                            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();
 }
 
 // ----------------------------------------------------------------------------
@@ -184,14 +290,22 @@ void wxHtmlListBox::CacheItem(size_t n) const
         {
             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);
+
+            // use system's default GUI font by default:
+            m_htmlParser->SetStandardFonts();
         }
 
         wxHtmlContainerCell *cell = (wxHtmlContainerCell *)m_htmlParser->
                 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);
@@ -206,6 +320,20 @@ 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();
@@ -213,6 +341,14 @@ void wxHtmlListBox::RefreshAll()
     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
 // ----------------------------------------------------------------------------
@@ -230,15 +366,19 @@ 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);
-        //htmlRendInfo.SetSelectionState(wxHTML_SEL_IN);
+        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, htmlRendInfo);
+    cell->Draw(dc,
+               rect.x + CELL_BORDER, rect.y + CELL_BORDER,
+               0, INT_MAX, htmlRendInfo);
 }
 
 wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const
@@ -248,6 +388,294 @@ 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;
+}
+
+// ----------------------------------------------------------------------------
+// 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 += GetLinesHeight(GetFirstVisibleLine(), 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;
+
+    SetValidator(validator);
+    for (int i=0; i<n; i++)
+        Append(choices[i]);
+
+    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;
+
+    SetValidator(validator);
+    Append(choices);
+
+    return true;
+}
+
+wxSimpleHtmlListBox::~wxSimpleHtmlListBox()
+{
+    wxASSERT(m_items.GetCount() == m_HTMLclientData.GetCount());
+    if (HasClientObjectData())
+    {
+        // clear the array of client data objects
+        for (size_t i=0; i<m_items.GetCount(); i++)
+            delete DoGetItemClientObject(i);
+    }
+
+    m_items.Clear();
+    m_HTMLclientData.Clear();
+}
+
+void wxSimpleHtmlListBox::Clear()
+{
+    m_items.Clear();
+    m_HTMLclientData.Clear();
+    UpdateCount();
+}
+
+void wxSimpleHtmlListBox::Delete(unsigned int n)
+{
+    m_items.RemoveAt(n);
+    m_HTMLclientData.RemoveAt(n);
+    UpdateCount();
+}
+
+void wxSimpleHtmlListBox::Append(const wxArrayString& strings)
+{
+    // we know how many items are going to be added - avoid too many reallocs
+    // m_items.Alloc(strings.GetCount());
+    // FIXME: Alloc() will clear all the old contents.
+    //        Suggested fix = make Grow() public and make WX_APPEND_ARRAY take
+    //        care of calling it automatically
+
+    // append all given items at once
+    WX_APPEND_ARRAY(m_items, strings);
+    m_HTMLclientData.Add(NULL, strings.GetCount());
+    UpdateCount();
+}
+
+int wxSimpleHtmlListBox::DoAppend(const wxString& item)
+{
+    m_items.Add(item);
+    m_HTMLclientData.Add(NULL);
+    UpdateCount();
+    return GetCount()-1;
+}
+
+int wxSimpleHtmlListBox::DoInsert(const wxString& item, unsigned int pos)
+{
+    m_items.Insert(item, pos);
+    m_HTMLclientData.Insert(NULL, pos);
+    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; 
+    RefreshLine(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