// Author: Vaclav Slavik
// RCS-ID: $Id$
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
// wxHtmlCell
//-----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject)
+
wxHtmlCell::wxHtmlCell() : wxObject()
{
m_Next = NULL;
m_Parent = NULL;
m_Width = m_Height = m_Descent = 0;
- m_CanLiveOnPagebreak = TRUE;
+ m_CanLiveOnPagebreak = true;
m_Link = NULL;
}
m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)
{
*pagebreak = m_PosY;
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
// wxHtmlWordCell
//-----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell)
+
wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
{
m_Word = word;
dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
- SetCanLiveOnPagebreak(FALSE);
+ SetCanLiveOnPagebreak(false);
m_allowLinebreak = true;
}
wxPoint pt1 = (selFrom == wxDefaultPosition) ?
wxDefaultPosition : selFrom - GetAbsPos();
wxPoint pt2 = (selTo == wxDefaultPosition) ?
- wxPoint(m_Width, -1) : selTo - GetAbsPos();
+ wxPoint(m_Width, wxDefaultPosition.y) : selTo - GetAbsPos();
wxCoord charW, charH;
unsigned len = m_Word.length();
{
#if 0 // useful for debugging
dc.SetPen(*wxBLACK_PEN);
- dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
+ dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width /* VZ: +1? */ ,m_Height);
#endif
bool drawSelectionAfterCell = false;
// wxHtmlContainerCell
//-----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlContainerCell, wxHtmlCell)
wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell()
{
m_Cells = m_LastCell = NULL;
m_Parent = parent;
+ m_MaxTotalWidth = 0;
if (m_Parent) m_Parent->InsertCell(this);
m_AlignHor = wxHTML_ALIGN_LEFT;
m_AlignVer = wxHTML_ALIGN_BOTTOM;
m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0;
m_WidthFloat = 100; m_WidthFloatUnits = wxHTML_UNITS_PERCENT;
- m_UseBkColour = FALSE;
- m_UseBorder = FALSE;
+ m_UseBkColour = false;
+ m_UseBorder = false;
m_MinHeight = 0;
m_MinHeightAlign = wxHTML_ALIGN_TOP;
m_LastLayout = -1;
int wxHtmlContainerCell::GetIndentUnits(int ind) const
{
- bool p = FALSE;
+ bool p = false;
if (ind & wxHTML_INDENT_LEFT) p = m_IndentLeft < 0;
else if (ind & wxHTML_INDENT_RIGHT) p = m_IndentRight < 0;
else if (ind & wxHTML_INDENT_TOP) p = m_IndentTop < 0;
else
{
wxHtmlCell *c = GetFirstChild();
- bool rt = FALSE;
+ bool rt = false;
int pbrk = *pagebreak - m_PosY;
while (c)
{
if (c->AdjustPagebreak(&pbrk, known_pagebreaks, number_of_pages))
- rt = TRUE;
+ rt = true;
c = c->GetNext();
}
if (rt)
return;
}
- wxHtmlCell *cell = m_Cells, *line = m_Cells;
+ wxHtmlCell *cell = m_Cells,
+ *line = m_Cells;
wxHtmlCell *nextCell;
long xpos = 0, ypos = m_IndentTop;
int xdelta = 0, ybasicpos = 0, ydiff;
int s_width, nextWordWidth, s_indent;
int ysizeup = 0, ysizedown = 0;
int MaxLineWidth = 0;
- int xcnt = 0;
+ int curLineWidth = 0;
+ m_MaxTotalWidth = 0;
/*
// layout nonbreakable run of cells:
cell->SetPos(xpos, ybasicpos + cell->GetDescent());
xpos += cell->GetWidth();
+ if (!cell->IsTerminalCell())
+ {
+ // Container cell indicates new line
+ if (curLineWidth > m_MaxTotalWidth)
+ m_MaxTotalWidth = curLineWidth;
+
+ if (wxMax(cell->GetWidth(), cell->GetMaxTotalWidth()) > m_MaxTotalWidth)
+ m_MaxTotalWidth = cell->GetMaxTotalWidth();
+ curLineWidth = 0;
+ }
+ else
+ // Normal cell, add maximum cell width to line width
+ curLineWidth += cell->GetMaxTotalWidth();
+
cell = cell->GetNext();
- xcnt++;
// compute length of the next word that would be added:
nextWordWidth = 0;
ypos += ysizeup;
if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL)
+ {
while (line != cell)
{
line->SetPos(line->GetPosX() + xdelta,
ypos + line->GetPosY());
line = line->GetNext();
}
- else
+ }
+ else // align == justify
{
- int counter = 0;
- int step = (s_width - xpos);
- if (step < 0) step = 0;
- xcnt--;
- if (xcnt > 0) while (line != cell)
+ // we have to distribute the extra horz space between the cells
+ // on this line
+
+ // an added complication is that some cells have fixed size and
+ // shouldn't get any increment (it so happens that these cells
+ // also don't allow line break on them which provides with an
+ // easy way to test for this) -- and neither should the cells
+ // adjacent to them as this could result in a visible space
+ // between two cells separated by, e.g. font change, cell which
+ // is wrong
+
+ int step = s_width - xpos;
+ if ( step > 0 )
{
- line->SetPos(line->GetPosX() + s_indent +
- (counter++ * step / xcnt),
- ypos + line->GetPosY());
- line = line->GetNext();
+ // first count the cells which will get extra space
+ int total = 0;
+
+ const wxHtmlCell *c;
+ if ( line != cell )
+ {
+ for ( c = line->GetNext(); c != cell; c = c->GetNext() )
+ {
+ if ( c->IsLinebreakAllowed() )
+ {
+ total++;
+ }
+ }
+ }
+
+ // and now extra space to those cells which merit it
+ if ( total )
+ {
+ // first cell on line is not moved:
+ line->SetPos(line->GetPosX() + s_indent,
+ line->GetPosY() + ypos);
+
+ line = line->GetNext();
+ for ( int n = 0; line != cell; line = line->GetNext() )
+ {
+ if ( line->IsLinebreakAllowed() )
+ {
+ // offset the next cell relative to this one
+ // thus increasing our size
+ n++;
+ }
+
+ line->SetPos(line->GetPosX() + s_indent +
+ ((n * step) / total),
+ line->GetPosY() + ypos);
+ }
+ }
+ else
+ {
+ // this will cause the code to enter "else branch" below:
+ step = 0;
+ }
+ }
+ // else branch:
+ if ( step <= 0 ) // no extra space to distribute
+ {
+ // just set the indent properly
+ while (line != cell)
+ {
+ line->SetPos(line->GetPosX() + s_indent,
+ line->GetPosY() + ypos);
+ line = line->GetNext();
+ }
}
- xcnt++;
}
ypos += ysizedown;
- xpos = xcnt = 0;
+ xpos = 0;
ysizeup = ysizedown = 0;
line = cell;
}
m_Height = m_MinHeight;
}
+ if (curLineWidth > m_MaxTotalWidth)
+ m_MaxTotalWidth = curLineWidth;
+
+ m_MaxTotalWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
if (m_Width < MaxLineWidth) m_Width = MaxLineWidth;
{
if (m_Cells)
{
- const wxHtmlCell *r = NULL;
-
for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
{
- r = cell->Find(condition, param);
+ const wxHtmlCell *r = cell->Find(condition, param);
if (r) return r;
}
}
// wxHtmlColourCell
// --------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlColourCell, wxHtmlCell)
+
void wxHtmlColourCell::Draw(wxDC& dc,
int x, int y,
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
// wxHtmlFontCell
// ---------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlFontCell, wxHtmlCell)
+
void wxHtmlFontCell::Draw(wxDC& dc,
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
// wxHtmlWidgetCell
// ---------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell)
+
wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
{
int sx, sy;
projects / wxWidgets.git / blobdiff