// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "htmlcell.h"
#endif
#include "wx/html/htmlwin.h"
#include "wx/settings.h"
#include "wx/module.h"
+#include "wx/dynarray.h"
#include <stdlib.h>
wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition;
if ( toCell )
{
- p2.x += toCell->GetWidth()-1;
- p2.y += toCell->GetHeight()-1;
+ p2.x += toCell->GetWidth();
+ p2.y += toCell->GetHeight();
}
Set(p1, fromCell, p2, toCell);
}
-wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextColour(
- const wxColour& clr)
+wxColour
+wxDefaultHtmlRenderingStyle::
+GetSelectedTextColour(const wxColour& WXUNUSED(clr))
{
return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
}
-wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextBgColour(
- const wxColour& WXUNUSED(clr))
+wxColour
+wxDefaultHtmlRenderingStyle::
+GetSelectedTextBgColour(const wxColour& WXUNUSED(clr))
{
return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
}
// wxHtmlCell
//-----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject)
+
wxHtmlCell::wxHtmlCell() : wxObject()
{
m_Next = NULL;
-void wxHtmlCell::GetHorizontalConstraints(int *left, int *right) const
-{
- if (left)
- *left = m_PosX;
- if (right)
- *right = m_PosX + m_Width;
-}
-
-
-
const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const
{
return NULL;
// 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);
+ m_allowLinebreak = true;
}
+void wxHtmlWordCell::SetPreviousWord(wxHtmlWordCell *cell)
+{
+ if ( cell && m_Parent == cell->m_Parent &&
+ !wxIsspace(cell->m_Word.Last()) && !wxIsspace(m_Word[0u]) )
+ {
+ 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)
wxHtmlRenderingInfo& info)
{
#if 0 // useful for debugging
+ dc.SetPen(*wxBLACK_PEN);
dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
#endif
// 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;
}
wxHtmlCell *cell = m_Cells, *line = m_Cells;
+ wxHtmlCell *nextCell;
long xpos = 0, ypos = m_IndentTop;
int xdelta = 0, ybasicpos = 0, ydiff;
- int s_width, s_indent;
+ int s_width, nextWordWidth, s_indent;
int ysizeup = 0, ysizedown = 0;
int MaxLineWidth = 0;
int xcnt = 0;
+ int curLineWidth = 0;
+ m_MaxTotalWidth = 0;
/*
if (cell->GetDescent() + ydiff > ysizedown) ysizedown = cell->GetDescent() + ydiff;
if (ybasicpos + cell->GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell->GetDescent());
+ // 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;
+ if (cell)
+ {
+ nextCell = cell;
+ do
+ {
+ nextWordWidth += nextCell->GetWidth();
+ nextCell = nextCell->GetNext();
+ } while (nextCell && !nextCell->IsLinebreakAllowed());
+ }
+
// force new line if occured:
- if ((cell == NULL) || (xpos + cell->GetWidth() > s_width))
+ if ((cell == NULL) ||
+ (xpos + nextWordWidth > s_width && cell->IsLinebreakAllowed()))
{
if (xpos > MaxLineWidth) MaxLineWidth = xpos;
if (ysizeup < 0) ysizeup = 0;
ypos + line->GetPosY());
line = line->GetNext();
}
- xcnt++;
}
ypos += ysizedown;
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;
void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
wxHtmlRenderingInfo& info)
{
+#if 0 // useful for debugging
+ dc.SetPen(*wxRED_PEN);
+ dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
+#endif
// container visible, draw it:
if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1))
{
{
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;
}
}
-void wxHtmlContainerCell::GetHorizontalConstraints(int *left, int *right) const
-{
- int cleft = m_PosX + m_Width, cright = m_PosX; // worst case
- int l, r;
-
- for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
- {
- cell->GetHorizontalConstraints(&l, &r);
- if (l < cleft)
- cleft = l;
- if (r > cright)
- cright = r;
- }
-
- cleft -= (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
- cright += (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
-
- if (left)
- *left = cleft;
- if (right)
- *right = cright;
-}
-
-
wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const
{
if ( m_Cells )
if ( c )
return c;
+ wxHtmlCell *ctmp;
wxHtmlCell *c2 = NULL;
for (c = m_Cells; c; c = c->GetNext())
- c2 = c->GetLastTerminal();
+ {
+ ctmp = c->GetLastTerminal();
+ if ( ctmp )
+ c2 = ctmp;
+ }
return c2;
}
else
}
+static bool IsEmptyContainer(wxHtmlContainerCell *cell)
+{
+ for ( wxHtmlCell *c = cell->GetFirstChild(); c; c = c->GetNext() )
+ {
+ if ( !c->IsTerminalCell() || !c->IsFormattingCell() )
+ return false;
+ }
+ return true;
+}
+
+void wxHtmlContainerCell::RemoveExtraSpacing(bool top, bool bottom)
+{
+ if ( top )
+ SetIndent(0, wxHTML_INDENT_TOP);
+ if ( bottom )
+ SetIndent(0, wxHTML_INDENT_BOTTOM);
+
+ if ( m_Cells )
+ {
+ wxHtmlCell *c;
+ wxHtmlContainerCell *cont;
+ if ( top )
+ {
+ for ( c = m_Cells; c; c = c->GetNext() )
+ {
+ if ( c->IsTerminalCell() )
+ {
+ if ( !c->IsFormattingCell() )
+ break;
+ }
+ else
+ {
+ cont = (wxHtmlContainerCell*)c;
+ if ( IsEmptyContainer(cont) )
+ {
+ cont->SetIndent(0, wxHTML_INDENT_VERTICAL);
+ }
+ else
+ {
+ cont->RemoveExtraSpacing(true, false);
+ break;
+ }
+ }
+ }
+ }
+
+ if ( bottom )
+ {
+ wxArrayPtrVoid arr;
+ for ( c = m_Cells; c; c = c->GetNext() )
+ arr.Add((void*)c);
+
+ for ( int i = arr.GetCount() - 1; i >= 0; i--)
+ {
+ c = (wxHtmlCell*)arr[i];
+ if ( c->IsTerminalCell() )
+ {
+ if ( !c->IsFormattingCell() )
+ break;
+ }
+ else
+ {
+ cont = (wxHtmlContainerCell*)c;
+ if ( IsEmptyContainer(cont) )
+ {
+ cont->SetIndent(0, wxHTML_INDENT_VERTICAL); }
+ else
+ {
+ cont->RemoveExtraSpacing(false, true);
+ break;
+ }
+ }
+ }
+ }
+ }
+}
+
+
// --------------------------------------------------------------------------
// 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;
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