X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3103e8a97e834e9793f0eb149aa82a99fd64ef9a..7ea1c917764fb2588fe1aadc75c49ba300f8cb2f:/src/html/htmlcell.cpp

diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp
index 9a8a34aeb3..114097e2fa 100644
--- a/src/html/htmlcell.cpp
+++ b/src/html/htmlcell.cpp
@@ -7,10 +7,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "htmlcell.h"
-#endif
-
 #include "wx/wxprec.h"
 
 #include "wx/defs.h"
@@ -94,6 +90,8 @@ wxHtmlCell::wxHtmlCell() : wxObject()
     m_Next = NULL;
     m_Parent = NULL;
     m_Width = m_Height = m_Descent = 0;
+    m_ScriptMode = wxHTML_SCRIPT_NORMAL;        // <sub> or <sup> mode
+    m_ScriptBaseline = 0;                       // <sub> or <sup> baseline
     m_CanLiveOnPagebreak = true;
     m_Link = NULL;
 }
@@ -103,6 +101,21 @@ wxHtmlCell::~wxHtmlCell()
     delete m_Link;
 }
 
+// Update the descent value when whe are in a <sub> or <sup>.
+// prevbase is the parent base
+void wxHtmlCell::SetScriptMode(wxHtmlScriptMode mode, long previousBase)
+{
+    m_ScriptMode = mode;
+
+    if (mode == wxHTML_SCRIPT_SUP)
+        m_ScriptBaseline = previousBase - (m_Height + 1) / 2;
+    else if (mode == wxHTML_SCRIPT_SUB)
+        m_ScriptBaseline = previousBase + (m_Height + 1) / 6;
+    else
+        m_ScriptBaseline = 0;
+
+    m_Descent += m_ScriptBaseline;
+}
 
 void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
                               const wxMouseEvent& event)
@@ -256,7 +269,7 @@ bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const
 
 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell)
 
-wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
+wxHtmlWordCell::wxHtmlWordCell(const wxString& word, const wxDC& dc) : wxHtmlCell()
 {
     m_Word = word;
     dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
@@ -276,7 +289,7 @@ void wxHtmlWordCell::SetPreviousWord(wxHtmlWordCell *cell)
 // Splits m_Word into up to three parts according to selection, returns
 // substring before, in and after selection and the points (in relative coords)
 // where s2 and s3 start:
-void wxHtmlWordCell::Split(wxDC& dc,
+void wxHtmlWordCell::Split(const wxDC& dc,
                            const wxPoint& selFrom, const wxPoint& selTo,
                            unsigned& pos1, unsigned& pos2) const
 {
@@ -285,7 +298,6 @@ void wxHtmlWordCell::Split(wxDC& dc,
     wxPoint pt2 = (selTo == wxDefaultPosition) ?
                    wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos();
 
-    wxCoord charW, charH;
     unsigned len = m_Word.length();
     unsigned i = 0;
     pos1 = 0;
@@ -298,6 +310,14 @@ void wxHtmlWordCell::Split(wxDC& dc,
         pt2.x = m_Width;
 
     // before selection:
+#ifdef __WXMAC__
+    // implementation using PartialExtents to support fractional widths
+    wxArrayInt widths ;
+    dc.GetPartialTextExtents(m_Word,widths) ;
+    while( i < len && pt1.x >= widths[i] )
+        i++ ;
+#else // __WXMAC__
+    wxCoord charW, charH;
     while ( pt1.x > 0 && i < len )
     {
         dc.GetTextExtent(m_Word[i], &charW, &charH);
@@ -308,9 +328,14 @@ void wxHtmlWordCell::Split(wxDC& dc,
             i++;
         }
     }
+#endif // __WXMAC__/!__WXMAC__
 
     // in selection:
     unsigned j = i;
+#ifdef __WXMAC__
+    while( j < len && pt2.x >= widths[j] )
+        j++ ;
+#else // __WXMAC__
     pos2 = pos1;
     pt2.x -= pos2;
     while ( pt2.x > 0 && j < len )
@@ -323,12 +348,13 @@ void wxHtmlWordCell::Split(wxDC& dc,
             j++;
         }
     }
+#endif // __WXMAC__/!__WXMAC__
 
     pos1 = i;
     pos2 = j;
 }
 
-void wxHtmlWordCell::SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const
+void wxHtmlWordCell::SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const
 {
     unsigned p1, p2;
 
@@ -637,8 +663,6 @@ void wxHtmlContainerCell::Layout(int w)
        return;
     }
 
-    wxHtmlCell *cell = m_Cells,
-               *line = m_Cells;
     wxHtmlCell *nextCell;
     long xpos = 0, ypos = m_IndentTop;
     int xdelta = 0, ybasicpos = 0, ydiff;
@@ -685,6 +709,8 @@ void wxHtmlContainerCell::Layout(int w)
     s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
 
     // my own layouting:
+    wxHtmlCell *cell = m_Cells,
+               *line = m_Cells;
     while (cell != NULL)
     {
         switch (m_AlignVer)
@@ -902,7 +928,7 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
     dc.SetPen(*wxRED_PEN);
     dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
 #endif
-            
+
     int xlocal = x + m_PosX;
     int ylocal = y + m_PosY;
 
@@ -936,7 +962,7 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
         // draw container's contents:
         for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
         {
-            
+
             // optimize drawing: don't render off-screen content:
             if ((ylocal + cell->GetPosY() <= view_y2) &&
                 (ylocal + cell->GetPosY() + cell->GetHeight() > view_y1))