-#define ESCSEQ(escape, subst) \
- { _T("&") _T(escape) _T(";"), _T("&") _T(escape) _T(" "), _T("&") _T(escape), _T(subst) }
- static wxChar* substitutions[][4] =
- {
- ESCSEQ("quot", "\""),
- ESCSEQ("#34", "\""),
- ESCSEQ("lt", "<"),
- ESCSEQ("#60", "<"),
- ESCSEQ("gt", ">"),
- ESCSEQ("#62", ">"),
-
- ESCSEQ("#94", "^"), /* ^ */
-
- ESCSEQ("nbsp", " "),
- ESCSEQ("#32", " "),
- ESCSEQ("iexcl", "!"),
- ESCSEQ("#33", "!"),
- ESCSEQ("cent", "¢"/* ¢ */),
- ESCSEQ("#162", "¢"/* ¢ */),
-
- ESCSEQ("trade", "(TM)"),
- ESCSEQ("#153", "(TM)"),
-
- ESCSEQ("yen", "¥"),
- ESCSEQ("#165", "¥"),
- ESCSEQ("brkbar", "¦"),
- ESCSEQ("#166", "¦"),
- ESCSEQ("sect", "§"),
- ESCSEQ("#167", "§"),
- ESCSEQ("uml", "¨"),
- ESCSEQ("#168", "¨"),
-
- ESCSEQ("copy", "©"), /* © */
- ESCSEQ("#169", "©"),
- ESCSEQ("ordf", "ª"),
- ESCSEQ("#170", "ª"),
- ESCSEQ("laquo", "«"), /* « */
- ESCSEQ("#171", "«"),
- ESCSEQ("not", "¬"),
- ESCSEQ("#172", "¬"),
-
- ESCSEQ("reg", "®"), /* ® */
- ESCSEQ("#174", "®"),
-
- ESCSEQ("deg", "°"), /* ° */
- ESCSEQ("#176", "°"),
- ESCSEQ("plusm", "±"), /* ± */
- ESCSEQ("#177", "±"),
-
- ESCSEQ("acute", "´"),
- ESCSEQ("#180", "´"),
- ESCSEQ("macron", "¯"),
- ESCSEQ("#175", "¯"),
- ESCSEQ("micro", "µ"), /* µ */
- ESCSEQ("#181", "µ"),
- ESCSEQ("para", "¶"), /* ¶ */
- ESCSEQ("#182", "¶"),
-
- ESCSEQ("ordm", "º"), /* º */
- ESCSEQ("#186", "º"),
- ESCSEQ("raquo", "»"), /* » */
- ESCSEQ("#187", "»"),
-
- ESCSEQ("iquest", "¿"), /* ¿ */
- ESCSEQ("#191", "¿"),
- ESCSEQ("Agrave", "\300"/* À */),
- ESCSEQ("#193", "\300"/* À */),
-
- ESCSEQ("Acirc", "\302"/* Â */),
- ESCSEQ("Atilde", "\303"/* Ã */),
- ESCSEQ("Auml", "\304"/* Ä */),
- ESCSEQ("Aring", " "),
- ESCSEQ("AElig", " "),
- ESCSEQ("Ccedil", "\347"/* ç */),
- ESCSEQ("Egrave", "\310"/* È */),
- ESCSEQ("Eacute", "\311"/* É */),
- ESCSEQ("Ecirc", "\312"/* Ê */),
- ESCSEQ("Euml", "\313"/* Ë */),
- ESCSEQ("Igrave", "\314"/* Ì */),
-
- ESCSEQ("Icirc", "\316"/* Î */),
- ESCSEQ("Iuml", "\317"/* Ï */),
-
- ESCSEQ("Ntilde", "\321"/* Ñ */),
- ESCSEQ("Ograve", "\322"/* Ò */),
-
- ESCSEQ("Ocirc", "\324"/* Ô */),
- ESCSEQ("Otilde", "\325"/* Õ */),
- ESCSEQ("Ouml", "\326"/* Ö */),
-
- ESCSEQ("Oslash", " "),
- ESCSEQ("Ugrave", "\331"/* Ù */),
-
- ESCSEQ("Ucirc", " "),
- ESCSEQ("Uuml", "\334"/* Ü */),
-
- ESCSEQ("szlig", "\247"/* § */),
- ESCSEQ("agrave;","à"),
- ESCSEQ("aacute", "\341"/* á */),
- ESCSEQ("acirc", "\342"/* â */),
- ESCSEQ("atilde", "\343"/* ã */),
- ESCSEQ("auml", "\344"/* ä */),
- ESCSEQ("aring", "a"),
- ESCSEQ("aelig", "ae"),
- ESCSEQ("ccedil", "\347"/* ç */),
- ESCSEQ("egrave", "\350"/* è */),
- ESCSEQ("eacute", "\351"/* é */),
- ESCSEQ("ecirc", "\352"/* ê */),
- ESCSEQ("euml", "\353"/* ë */),
- ESCSEQ("igrave", "\354"/* ì */),
- ESCSEQ("iacute", "\355"/* í */),
- ESCSEQ("icirc", " "),
- ESCSEQ("iuml", "\357"/* ï */),
- ESCSEQ("eth", " "),
- ESCSEQ("ntilde", "\361"/* ñ */),
- ESCSEQ("ograve", "\362"/* ò */),
- ESCSEQ("oacute", "\363"/* ó */),
- ESCSEQ("ocirc", "\364"/* ô */),
- ESCSEQ("otilde", "\365"/* õ */),
- ESCSEQ("ouml", "\366"/* ö */),
- ESCSEQ("divide", " "),
- ESCSEQ("oslash", " "),
- ESCSEQ("ugrave", "\371"/* ù */),
- ESCSEQ("uacute", "\372"/* ú */),
- ESCSEQ("ucirc", "\373"/* û */),
- ESCSEQ("uuml", "\374"/* ü */),
-
- ESCSEQ("yuml", ""),
-
- /* this one should ALWAYS stay the last one!!! */
- ESCSEQ("amp", "&"),
- ESCSEQ("#38", "&"),
-
- { NULL, NULL, NULL }
- };
-
- for (int i = 0; substitutions[i][0] != NULL; i++)
- {
- m_Word.Replace(substitutions[i][0], substitutions[i][3], TRUE);
- m_Word.Replace(substitutions[i][1], substitutions[i][3], TRUE);
- m_Word.Replace(substitutions[i][2], substitutions[i][3], TRUE);
- }
- }
-
- dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
- SetCanLiveOnPagebreak(FALSE);
-}
-
-
-
-void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
-{
- dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ m_allowLinebreak = false;
+ }
+}
+
+// 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(const wxDC& dc,
+ const wxPoint& selFrom, const wxPoint& selTo,
+ unsigned& pos1, unsigned& pos2) const
+{
+ wxPoint pt1 = (selFrom == wxDefaultPosition) ?
+ wxDefaultPosition : selFrom - GetAbsPos();
+ wxPoint pt2 = (selTo == wxDefaultPosition) ?
+ wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos();
+
+ // if the selection is entirely within this cell, make sure pt1 < pt2 in
+ // order to make the rest of this function simpler:
+ if ( selFrom != wxDefaultPosition && selTo != wxDefaultPosition &&
+ selFrom.x > selTo.x )
+ {
+ wxPoint tmp = pt1;
+ pt1 = pt2;
+ pt2 = tmp;
+ }
+
+ unsigned len = m_Word.length();
+ unsigned i = 0;
+ pos1 = 0;
+
+ // adjust for cases when the start/end position is completely
+ // outside the cell:
+ if ( pt1.y < 0 )
+ pt1.x = 0;
+ if ( pt2.y >= m_Height )
+ pt2.x = m_Width;
+
+ // before selection:
+ // (include character under caret only if in first half of width)
+#ifdef __WXMAC__
+ // implementation using PartialExtents to support fractional widths
+ wxArrayInt widths ;
+ dc.GetPartialTextExtents(m_Word,widths) ;
+ while( i < len && pt1.x >= widths[i] )
+ i++ ;
+ if ( i < len )
+ {
+ int charW = (i > 0) ? widths[i] - widths[i-1] : widths[i];
+ if ( widths[i] - pt1.x < charW/2 )
+ i++;
+ }
+#else // !__WXMAC__
+ wxCoord charW, charH;
+ while ( pt1.x > 0 && i < len )
+ {
+ dc.GetTextExtent(m_Word[i], &charW, &charH);
+ pt1.x -= charW;
+ if ( pt1.x >= -charW/2 )
+ {
+ pos1 += charW;
+ i++;
+ }
+ }
+#endif // __WXMAC__/!__WXMAC__
+
+ // in selection:
+ // (include character under caret only if in first half of width)
+ unsigned j = i;
+#ifdef __WXMAC__
+ while( j < len && pt2.x >= widths[j] )
+ j++ ;
+ if ( j < len )
+ {
+ int charW = (j > 0) ? widths[j] - widths[j-1] : widths[j];
+ if ( widths[j] - pt2.x < charW/2 )
+ j++;
+ }
+#else // !__WXMAC__
+ pos2 = pos1;
+ pt2.x -= pos2;
+ while ( pt2.x > 0 && j < len )
+ {
+ dc.GetTextExtent(m_Word[j], &charW, &charH);
+ pt2.x -= charW;
+ if ( pt2.x >= -charW/2 )
+ {
+ pos2 += charW;
+ j++;
+ }
+ }
+#endif // __WXMAC__/!__WXMAC__
+
+ pos1 = i;
+ pos2 = j;
+}
+
+void wxHtmlWordCell::SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const
+{
+ unsigned p1, p2;
+
+ Split(dc,
+ this == s->GetFromCell() ? s->GetFromPos() : wxDefaultPosition,
+ this == s->GetToCell() ? s->GetToPos() : wxDefaultPosition,
+ p1, p2);
+
+ wxPoint p(0, m_Word.length());
+
+ if ( this == s->GetFromCell() )
+ p.x = p1; // selection starts here
+ if ( this == s->GetToCell() )
+ p.y = p2; // selection ends here
+
+ if ( this == s->GetFromCell() )
+ s->SetFromPrivPos(p);
+ if ( this == s->GetToCell() )
+ s->SetToPrivPos(p);
+}
+
+
+static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info,
+ bool toSelection)
+{
+ wxColour fg = info.GetState().GetFgColour();
+ wxColour bg = info.GetState().GetBgColour();
+
+ if ( toSelection )
+ {
+ dc.SetBackgroundMode(wxBRUSHSTYLE_SOLID);
+ dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg));
+ dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg));
+ dc.SetBackground(wxBrush(info.GetStyle().GetSelectedTextBgColour(bg),
+ wxBRUSHSTYLE_SOLID));
+ }
+ else
+ {
+ dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
+ dc.SetTextForeground(fg);
+ dc.SetTextBackground(bg);
+ dc.SetBackground(wxBrush(bg, wxBRUSHSTYLE_SOLID));
+ }
+}
+
+
+void wxHtmlWordCell::Draw(wxDC& dc, int x, int y,
+ int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+ wxHtmlRenderingInfo& info)
+{
+#if 0 // useful for debugging
+ dc.SetPen(*wxBLACK_PEN);
+ dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width /* VZ: +1? */ ,m_Height);
+#endif
+
+ bool drawSelectionAfterCell = false;
+
+ if ( info.GetState().GetSelectionState() == wxHTML_SEL_CHANGING )
+ {
+ // Selection changing, we must draw the word piecewise:
+ wxHtmlSelection *s = info.GetSelection();
+ wxString txt;
+ int w, h;
+ int ofs = 0;
+
+ wxPoint priv = (this == s->GetFromCell()) ?
+ s->GetFromPrivPos() : s->GetToPrivPos();
+
+ // NB: this is quite a hack: in order to compute selection boundaries
+ // (in word's characters) we must know current font, which is only
+ // possible inside rendering code. Therefore we update the
+ // information here and store it in wxHtmlSelection so that
+ // ConvertToText can use it later:
+ if ( priv == wxDefaultPosition )
+ {
+ SetSelectionPrivPos(dc, s);
+ priv = (this == s->GetFromCell()) ?
+ s->GetFromPrivPos() : s->GetToPrivPos();
+ }
+
+ int part1 = priv.x;
+ int part2 = priv.y;
+
+ if ( part1 > 0 )
+ {
+ txt = m_Word.Mid(0, part1);
+ dc.DrawText(txt, x + m_PosX, y + m_PosY);
+ dc.GetTextExtent(txt, &w, &h);
+ ofs += w;
+ }
+
+ SwitchSelState(dc, info, true);
+
+ txt = m_Word.Mid(part1, part2-part1);
+ dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY);
+
+ if ( (size_t)part2 < m_Word.length() )
+ {
+ dc.GetTextExtent(txt, &w, &h);
+ ofs += w;
+ SwitchSelState(dc, info, false);
+ txt = m_Word.Mid(part2);
+ dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY);
+ }
+ else
+ drawSelectionAfterCell = true;
+ }
+ else
+ {
+ wxHtmlSelectionState selstate = info.GetState().GetSelectionState();
+ // Not changing selection state, draw the word in single mode:
+ if ( selstate != wxHTML_SEL_OUT &&
+ dc.GetBackgroundMode() != wxBRUSHSTYLE_SOLID )
+ {
+ SwitchSelState(dc, info, true);
+ }
+ else if ( selstate == wxHTML_SEL_OUT &&
+ dc.GetBackgroundMode() == wxBRUSHSTYLE_SOLID )
+ {
+ SwitchSelState(dc, info, false);
+ }
+ dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
+ drawSelectionAfterCell = (selstate != wxHTML_SEL_OUT);
+ }
+
+ // NB: If the text is justified then there is usually some free space
+ // between adjacent cells and drawing the selection only onto cells
+ // would result in ugly unselected spaces. The code below detects
+ // this special case and renders the selection *outside* the sell,
+ // too.
+ if ( m_Parent->GetAlignHor() == wxHTML_ALIGN_JUSTIFY &&
+ drawSelectionAfterCell )
+ {
+ wxHtmlCell *nextCell = m_Next;
+ while ( nextCell && nextCell->IsFormattingCell() )
+ nextCell = nextCell->GetNext();
+ if ( nextCell )
+ {
+ int nextX = nextCell->GetPosX();
+ if ( m_PosX + m_Width < nextX )
+ {
+ dc.SetBrush(dc.GetBackground());
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.DrawRectangle(x + m_PosX + m_Width, y + m_PosY,
+ nextX - m_PosX - m_Width, m_Height);
+ }
+ }
+ }
projects / wxWidgets.git / blobdiff