X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8907154c1a8a6882c6797d1f16393ddfb23e7f3a..cc374a2f2985d8783e13063a7db33c1062ca35c4:/src/html/htmlcell.cpp

diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp
index 73f5a73802..114097e2fa 100644
--- a/src/html/htmlcell.cpp
+++ b/src/html/htmlcell.cpp
@@ -90,6 +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;
 }
@@ -99,6 +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)
@@ -252,7 +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);
@@ -272,7 +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
 {
@@ -337,7 +354,7 @@ void wxHtmlWordCell::Split(wxDC& dc,
     pos2 = j;
 }
 
-void wxHtmlWordCell::SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const
+void wxHtmlWordCell::SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const
 {
     unsigned p1, p2;
 
@@ -646,8 +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;
@@ -694,6 +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)