Add support for bitmaps in headers.

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

diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp
index dff147a45c6dc1592f97622051e2e30aca336b00..b104f3c2f5feb34446b20f9aefa701dbe7954519 100644 (file)
--- a/src/generic/htmllbox.cpp
+++ b/src/generic/htmllbox.cpp
@@ -28,6 +28,8 @@
     #include "wx/dcclient.h"
 #endif //WX_PRECOMP
 
     #include "wx/dcclient.h"
 #endif //WX_PRECOMP
 

+#if wxUSE_HTML
+

 #include "wx/htmllbox.h"
 
 #include "wx/html/htmlcell.h"
 #include "wx/htmllbox.h"
 
 #include "wx/html/htmlcell.h"


@@ -37,6 +39,13 @@
 #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;
+

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


@@ -49,6 +58,15 @@ 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()
     {


@@ -74,9 +92,7 @@ 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);

         }
     }
 
         }
     }
 


@@ -107,6 +123,18 @@ 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 };


@@ -130,7 +158,7 @@ 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)
     {


@@ -144,8 +172,9 @@ public:
 
 private:
     const wxHtmlListBox& m_hlbox;
 
 private:
     const wxHtmlListBox& m_hlbox;

-};

 
 

+    DECLARE_NO_COPY_CLASS(wxHtmlListBoxStyle)
+};

 
 // ----------------------------------------------------------------------------
 // event tables
 
 // ----------------------------------------------------------------------------
 // event tables


@@ -153,16 +182,41 @@ private:
 
 BEGIN_EVENT_TABLE(wxHtmlListBox, wxVListBox)
     EVT_SIZE(wxHtmlListBox::OnSize)
 
 BEGIN_EVENT_TABLE(wxHtmlListBox, wxVListBox)
     EVT_SIZE(wxHtmlListBox::OnSize)

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

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

+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;


@@ -233,14 +287,22 @@ 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->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?") );
 
         }
 
         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);
         cell->Layout(GetClientSize().x - 2*GetMargins().x);
 
         m_cache->Store(n, cell);


@@ -255,6 +317,20 @@ void wxHtmlListBox::OnSize(wxSizeEvent& event)
     event.Skip();
 }
 
     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();
 void wxHtmlListBox::RefreshAll()
 {
     m_cache->Clear();


@@ -287,7 +363,7 @@ void wxHtmlListBox::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
     if ( IsSelected(n) )
     {
         wxHtmlSelection htmlSel;
     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);
         htmlRendInfo.SetSelection(&htmlSel);
         if ( m_htmlRendStyle )
             htmlRendInfo.SetStyle(m_htmlRendStyle);


@@ -297,7 +373,9 @@ 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
     // 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
 }
 
 wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const


@@ -307,6 +385,160 @@ wxCoord wxHtmlListBox::OnMeasureItem(size_t n) const
     wxHtmlCell *cell = m_cache->Get(n);
     wxCHECK_MSG( cell, 0, _T("this cell should be cached!") );
 
     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);
+}
+
+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();
+    }

 }
 
 }
 

+#endif // wxUSE_HTML