/////////////////////////////////////////////////////////////////////////////
-// Name: htmlcell.cpp
+// Name: src/html/htmlcell.cpp
// Purpose: wxHtmlCell - basic element of HTML output
// Author: Vaclav Slavik
// RCS-ID: $Id$
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "wx/wxprec.h"
-#include "wx/defs.h"
-#if wxUSE_HTML
-
-#ifdef __BORDLANDC__
-#pragma hdrstop
+#ifdef __BORLANDC__
+ #pragma hdrstop
#endif
-#ifndef WXPRECOMP
-#include "wx/wx.h"
+#if wxUSE_HTML && wxUSE_STREAMS
+
+#ifndef WX_PRECOMP
+ #include "wx/dynarray.h"
+ #include "wx/brush.h"
+ #include "wx/colour.h"
+ #include "wx/dc.h"
+ #include "wx/settings.h"
+ #include "wx/module.h"
+ #include "wx/wxcrtvararg.h"
#endif
#include "wx/html/htmlcell.h"
#include "wx/html/htmlwin.h"
+
#include <stdlib.h>
+//-----------------------------------------------------------------------------
+// Helper classes
+//-----------------------------------------------------------------------------
+
+void wxHtmlSelection::Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
+ const wxPoint& toPos, const wxHtmlCell *toCell)
+{
+ m_fromCell = fromCell;
+ m_toCell = toCell;
+ m_fromPos = fromPos;
+ m_toPos = toPos;
+}
+
+void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell)
+{
+ wxPoint p1 = fromCell ? fromCell->GetAbsPos() : wxDefaultPosition;
+ wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition;
+ if ( toCell )
+ {
+ p2.x += toCell->GetWidth();
+ p2.y += toCell->GetHeight();
+ }
+ Set(p1, fromCell, p2, toCell);
+}
+
+wxColour
+wxDefaultHtmlRenderingStyle::
+GetSelectedTextColour(const wxColour& WXUNUSED(clr))
+{
+ return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
+}
+
+wxColour
+wxDefaultHtmlRenderingStyle::
+GetSelectedTextBgColour(const wxColour& WXUNUSED(clr))
+{
+ return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
+}
+
//-----------------------------------------------------------------------------
// wxHtmlCell
//-----------------------------------------------------------------------------
-wxHtmlCell::wxHtmlCell() : wxObject()
+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_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;
}
-wxHtmlCell::~wxHtmlCell()
+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)
{
- if (m_Link) delete m_Link;
- if (m_Next) delete m_Next;
+ 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;
}
+#if WXWIN_COMPATIBILITY_2_6
-void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
- const wxMouseEvent& event)
+struct wxHtmlCellOnMouseClickCompatHelper;
+
+static wxHtmlCellOnMouseClickCompatHelper *gs_helperOnMouseClick = NULL;
+
+// helper for routing calls to new ProcessMouseClick() method to deprecated
+// OnMouseClick() method
+struct wxHtmlCellOnMouseClickCompatHelper
{
- wxHtmlLinkInfo *lnk = GetLink(x, y);
- if (lnk != NULL)
+ wxHtmlCellOnMouseClickCompatHelper(wxHtmlWindowInterface *window_,
+ const wxPoint& pos_,
+ const wxMouseEvent& event_)
+ : window(window_), pos(pos_), event(event_), retval(false)
+ {
+ }
+
+ bool CallOnMouseClick(wxHtmlCell *cell)
+ {
+ wxHtmlCellOnMouseClickCompatHelper *oldHelper = gs_helperOnMouseClick;
+ gs_helperOnMouseClick = this;
+ cell->OnMouseClick
+ (
+ window ? window->GetHTMLWindow() : NULL,
+ pos.x, pos.y,
+ event
+ );
+ gs_helperOnMouseClick = oldHelper;
+ return retval;
+ }
+
+ wxHtmlWindowInterface *window;
+ const wxPoint& pos;
+ const wxMouseEvent& event;
+ bool retval;
+};
+#endif // WXWIN_COMPATIBILITY_2_6
+
+bool wxHtmlCell::ProcessMouseClick(wxHtmlWindowInterface *window,
+ const wxPoint& pos,
+ const wxMouseEvent& event)
+{
+ wxCHECK_MSG( window, false, _T("window interface must be provided") );
+
+#if WXWIN_COMPATIBILITY_2_6
+ // NB: this hack puts the body of ProcessMouseClick() into OnMouseClick()
+ // (for which it has to pass the arguments and return value via a
+ // helper variable because these two methods have different
+ // signatures), so that old code overriding OnMouseClick will continue
+ // to work
+ wxHtmlCellOnMouseClickCompatHelper compat(window, pos, event);
+ return compat.CallOnMouseClick(this);
+}
+
+void wxHtmlCell::OnMouseClick(wxWindow *, int, int, const wxMouseEvent& event)
+{
+ wxCHECK_RET( gs_helperOnMouseClick, _T("unexpected call to OnMouseClick") );
+ wxHtmlWindowInterface *window = gs_helperOnMouseClick->window;
+ const wxPoint& pos = gs_helperOnMouseClick->pos;
+#endif // WXWIN_COMPATIBILITY_2_6
+
+ wxHtmlLinkInfo *lnk = GetLink(pos.x, pos.y);
+ bool retval = false;
+
+ if (lnk)
{
wxHtmlLinkInfo lnk2(*lnk);
lnk2.SetEvent(&event);
lnk2.SetHtmlCell(this);
- ((wxHtmlWindow*)parent) -> OnLinkClicked(lnk2);
- // note : this overcasting is legal because parent is *always* wxHtmlWindow
+
+ window->OnHTMLLinkClicked(lnk2);
+ retval = true;
}
+
+#if WXWIN_COMPATIBILITY_2_6
+ gs_helperOnMouseClick->retval = retval;
+#else
+ return retval;
+#endif // WXWIN_COMPATIBILITY_2_6
+}
+
+#if WXWIN_COMPATIBILITY_2_6
+wxCursor wxHtmlCell::GetCursor() const
+{
+ return wxNullCursor;
}
+#endif // WXWIN_COMPATIBILITY_2_6
+wxCursor wxHtmlCell::GetMouseCursor(wxHtmlWindowInterface *window) const
+{
+#if WXWIN_COMPATIBILITY_2_6
+ // NB: Older versions of wx used GetCursor() virtual method in place of
+ // GetMouseCursor(interface). This code ensures that user code that
+ // overriden GetCursor() continues to work. The trick is that the base
+ // wxHtmlCell::GetCursor() method simply returns wxNullCursor, so we
+ // know that GetCursor() was overriden iff it returns valid cursor.
+ wxCursor cur = GetCursor();
+ if (cur.Ok())
+ return cur;
+#endif // WXWIN_COMPATIBILITY_2_6
+
+ if ( GetLink() )
+ {
+ return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Link);
+ }
+ else
+ {
+ return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Default);
+ }
+}
-bool wxHtmlCell::AdjustPagebreak(int *pagebreak)
+bool wxHtmlCell::AdjustPagebreak(int *pagebreak,
+ wxArrayInt& WXUNUSED(known_pagebreaks)) const
{
- if ((!m_CanLiveOnPagebreak) &&
- m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak) {
+ if ((!m_CanLiveOnPagebreak) &&
+ m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)
+ {
*pagebreak = m_PosY;
- if (m_Next != NULL) m_Next -> AdjustPagebreak(pagebreak);
- return TRUE;
- }
-
- else {
- if (m_Next != NULL) return m_Next -> AdjustPagebreak(pagebreak);
- else return FALSE;
+ return true;
}
+
+ return false;
}
-void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
+void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
{
if (m_Link) delete m_Link;
- m_Link = new wxHtmlLinkInfo(link);
+ m_Link = NULL;
+ if (link.GetHref() != wxEmptyString)
+ m_Link = new wxHtmlLinkInfo(link);
+}
+
+
+void wxHtmlCell::Layout(int WXUNUSED(w))
+{
+ SetPos(0, 0);
+}
+
+
+
+const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const
+{
+ return NULL;
+}
+
+
+wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y,
+ unsigned flags) const
+{
+ if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height )
+ {
+ return wxConstCast(this, wxHtmlCell);
+ }
+ else
+ {
+ if ((flags & wxHTML_FIND_NEAREST_AFTER) &&
+ (y < 0 || (y < 0+m_Height && x < 0+m_Width)))
+ return wxConstCast(this, wxHtmlCell);
+ else if ((flags & wxHTML_FIND_NEAREST_BEFORE) &&
+ (y >= 0+m_Height || (y >= 0 && x >= 0)))
+ return wxConstCast(this, wxHtmlCell);
+ else
+ return NULL;
+ }
+}
+
+
+wxPoint wxHtmlCell::GetAbsPos(wxHtmlCell *rootCell) const
+{
+ wxPoint p(m_PosX, m_PosY);
+ for (wxHtmlCell *parent = m_Parent; parent && parent != rootCell;
+ parent = parent->m_Parent)
+ {
+ p.x += parent->m_PosX;
+ p.y += parent->m_PosY;
+ }
+ return p;
+}
+
+wxHtmlCell *wxHtmlCell::GetRootCell() const
+{
+ wxHtmlCell *c = wxConstCast(this, wxHtmlCell);
+ while ( c->m_Parent )
+ c = c->m_Parent;
+ return c;
}
+unsigned wxHtmlCell::GetDepth() const
+{
+ unsigned d = 0;
+ for (wxHtmlCell *p = m_Parent; p; p = p->m_Parent)
+ d++;
+ return d;
+}
+
+bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const
+{
+ const wxHtmlCell *c1 = this;
+ const wxHtmlCell *c2 = cell;
+ unsigned d1 = GetDepth();
+ unsigned d2 = cell->GetDepth();
+
+ if ( d1 > d2 )
+ for (; d1 != d2; d1-- )
+ c1 = c1->m_Parent;
+ else if ( d1 < d2 )
+ for (; d1 != d2; d2-- )
+ c2 = c2->m_Parent;
+
+ if ( cell == this )
+ return true;
+
+ while ( c1 && c2 )
+ {
+ if ( c1->m_Parent == c2->m_Parent )
+ {
+ while ( c1 )
+ {
+ if ( c1 == c2 )
+ return true;
+ c1 = c1->GetNext();
+ }
+ return false;
+ }
+ else
+ {
+ c1 = c1->m_Parent;
+ c2 = c2->m_Parent;
+ }
+ }
+
+ wxFAIL_MSG(_T("Cells are in different trees"));
+ return false;
+}
//-----------------------------------------------------------------------------
// wxHtmlWordCell
//-----------------------------------------------------------------------------
-wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell)
+
+wxHtmlWordCell::wxHtmlWordCell(const wxString& word, const wxDC& dc) : wxHtmlCell()
{
m_Word = word;
-
- if (m_Word.Find(wxT('&')) != -1)
+ wxCoord w, h, d;
+ dc.GetTextExtent(m_Word, &w, &h, &d);
+ m_Width = w;
+ m_Height = h;
+ m_Descent = d;
+ 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]) )
{
- static wxChar* substitutions[][3] =
- {
- { wxT(" "), wxT("  "), wxT(" ") },
- { wxT("©"), wxT("© "), wxT("(c)") },
- { wxT("""), wxT("" "), wxT("\"") },
- { wxT("<"), wxT("< "), wxT("<") },
- { wxT(">"), wxT("> "), wxT(">") },
- { wxT("&"), wxT("& "), wxT("&") /*this one should be last one*/ },
- { NULL, NULL, NULL }
- };
+ m_allowLinebreak = false;
+ }
+}
- for (int i = 0; substitutions[i][0] != NULL; i++)
+// 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();
+
+ 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:
+#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);
+ pt1.x -= charW;
+ if ( pt1.x >= 0 )
{
- m_Word.Replace(substitutions[i][0], substitutions[i][2], TRUE);
- m_Word.Replace(substitutions[i][1], substitutions[i][2], TRUE);
+ pos1 += charW;
+ 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 )
+ {
+ dc.GetTextExtent(m_Word[j], &charW, &charH);
+ pt2.x -= charW;
+ if ( pt2.x >= 0 )
+ {
+ pos2 += charW;
+ j++;
+ }
+ }
+#endif // __WXMAC__/!__WXMAC__
- dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
- SetCanLiveOnPagebreak(FALSE);
+ 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());
-void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+ 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)
{
- dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ wxColour fg = info.GetState().GetFgColour();
+ wxColour bg = info.GetState().GetBgColour();
+
+ if ( toSelection )
+ {
+ dc.SetBackgroundMode(wxSOLID);
+ dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg));
+ dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg));
+ dc.SetBackground(wxBrush(info.GetStyle().GetSelectedTextBgColour(bg),
+ wxSOLID));
+ }
+ else
+ {
+ dc.SetBackgroundMode(wxTRANSPARENT);
+ dc.SetTextForeground(fg);
+ dc.SetTextBackground(bg);
+ dc.SetBackground(wxBrush(bg, wxSOLID));
+ }
}
+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() != wxSOLID )
+ {
+ SwitchSelState(dc, info, true);
+ }
+ else if ( selstate == wxHTML_SEL_OUT &&
+ dc.GetBackgroundMode() == wxSOLID )
+ {
+ 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);
+ }
+ }
+ }
+}
+
+
+wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const
+{
+ if ( s && (this == s->GetFromCell() || this == s->GetToCell()) )
+ {
+ wxPoint priv = this == s->GetFromCell() ? s->GetFromPrivPos()
+ : s->GetToPrivPos();
+
+ // VZ: we may be called before we had a chance to re-render ourselves
+ // and in this case GetFrom/ToPrivPos() is not set yet -- assume
+ // that this only happens in case of a double/triple click (which
+ // seems to be the case now) and so it makes sense to select the
+ // entire contents of the cell in this case
+ //
+ // TODO: but this really needs to be fixed in some better way later...
+ if ( priv != wxDefaultPosition )
+ {
+ int part1 = priv.x;
+ int part2 = priv.y;
+ return m_Word.Mid(part1, part2-part1);
+ }
+ //else: return the whole word below
+ }
+
+ return m_Word;
+}
+
+wxCursor wxHtmlWordCell::GetMouseCursor(wxHtmlWindowInterface *window) const
+{
+ if ( !GetLink() )
+ {
+ return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Text);
+ }
+ else
+ {
+ return wxHtmlCell::GetMouseCursor(window);
+ }
+}
+
//-----------------------------------------------------------------------------
// wxHtmlContainerCell
//-----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlContainerCell, wxHtmlCell)
wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell()
{
m_Cells = m_LastCell = NULL;
m_Parent = parent;
- if (m_Parent) m_Parent -> InsertCell(this);
+ 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_MinHeight = m_MaxLineWidth = 0;
+ m_UseBkColour = false;
+ m_UseBorder = false;
+ m_MinHeight = 0;
m_MinHeightAlign = wxHTML_ALIGN_TOP;
+ m_LastLayout = -1;
+}
+
+wxHtmlContainerCell::~wxHtmlContainerCell()
+{
+ wxHtmlCell *cell = m_Cells;
+ while ( cell )
+ {
+ wxHtmlCell *cellNext = cell->GetNext();
+ delete cell;
+ cell = cellNext;
+ }
}
if (what & wxHTML_INDENT_RIGHT) m_IndentRight = val;
if (what & wxHTML_INDENT_TOP) m_IndentTop = val;
if (what & wxHTML_INDENT_BOTTOM) m_IndentBottom = val;
+ 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;
}
-
-bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak)
+bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak,
+ wxArrayInt& known_pagebreaks) const
{
- if (!m_CanLiveOnPagebreak)
- return wxHtmlCell::AdjustPagebreak(pagebreak);
+ if (!m_CanLiveOnPagebreak)
+ return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks);
- else {
- wxHtmlCell *c = GetFirstCell();
- bool rt = FALSE;
- int pbrk = *pagebreak - m_PosY;
+ wxHtmlCell *c = GetFirstChild();
+ bool rt = false;
+ int pbrk = *pagebreak - m_PosY;
- while (c) {
- if (c -> AdjustPagebreak(&pbrk)) rt = TRUE;
- c = c -> GetNext();
- }
- if (rt) *pagebreak = pbrk + m_PosY;
- return rt;
+ while (c)
+ {
+ if (c->AdjustPagebreak(&pbrk, known_pagebreaks))
+ rt = true;
+ c = c->GetNext();
}
+ if (rt)
+ *pagebreak = pbrk + m_PosY;
+ return rt;
}
-
void wxHtmlContainerCell::Layout(int w)
{
- wxHtmlCell *cell = m_Cells, *line = m_Cells;
+ wxHtmlCell::Layout(w);
+
+ if (m_LastLayout == w) return;
+
+ // VS: Any attempt to layout with negative or zero width leads to hell,
+ // but we can't ignore such attempts completely, since it sometimes
+ // happen (e.g. when trying how small a table can be). The best thing we
+ // can do is to set the width of child cells to zero
+ if (w < 1)
+ {
+ m_Width = 0;
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ cell->Layout(0);
+ // this does two things: it recursively calls this code on all
+ // child contrainers and resets children's position to (0,0)
+ return;
+ }
+
+ 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 curLineWidth = 0;
+ m_MaxTotalWidth = 0;
+
/*
*/
- if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) {
+ if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT)
+ {
if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
else m_Width = m_WidthFloat * w / 100;
}
- else {
+ else
+ {
if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
else m_Width = m_WidthFloat;
}
- if (m_Cells) {
+ if (m_Cells)
+ {
int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
- m_Cells -> Layout(m_Width - (l + r));
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ cell->Layout(m_Width - (l + r));
}
/*
s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
- m_MaxLineWidth = 0;
-
// my own layouting:
- while (cell != NULL) {
- switch (m_AlignVer) {
+ wxHtmlCell *cell = m_Cells,
+ *line = m_Cells;
+ while (cell != NULL)
+ {
+ switch (m_AlignVer)
+ {
case wxHTML_ALIGN_TOP : ybasicpos = 0; break;
- case wxHTML_ALIGN_BOTTOM : ybasicpos = - cell -> GetHeight(); break;
- case wxHTML_ALIGN_CENTER : ybasicpos = - cell -> GetHeight() / 2; break;
+ case wxHTML_ALIGN_BOTTOM : ybasicpos = - cell->GetHeight(); break;
+ case wxHTML_ALIGN_CENTER : ybasicpos = - cell->GetHeight() / 2; break;
}
- ydiff = cell -> GetHeight() + ybasicpos;
+ ydiff = cell->GetHeight() + ybasicpos;
- if (cell -> GetDescent() + ydiff > ysizedown) ysizedown = cell -> GetDescent() + ydiff;
- if (ybasicpos + cell -> GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell -> GetDescent());
+ if (cell->GetDescent() + ydiff > ysizedown) ysizedown = cell->GetDescent() + ydiff;
+ if (ybasicpos + cell->GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell->GetDescent());
- cell -> SetPos(xpos, ybasicpos + cell -> GetDescent());
- xpos += cell -> GetWidth();
- cell = cell -> GetNext();
+ // 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;
- // force new line if occured:
- if ((cell == NULL) || (xpos + cell -> GetWidth() > s_width)) {
- if (xpos > m_MaxLineWidth) m_MaxLineWidth = xpos;
+ 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();
+
+ // 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 occurred:
+ if ((cell == NULL) ||
+ (xpos + nextWordWidth > s_width && cell->IsLinebreakAllowed()))
+ {
+ if (xpos > MaxLineWidth) MaxLineWidth = xpos;
if (ysizeup < 0) ysizeup = 0;
if (ysizedown < 0) ysizedown = 0;
switch (m_AlignHor) {
- case wxHTML_ALIGN_LEFT : xdelta = 0; break;
- case wxHTML_ALIGN_RIGHT : xdelta = 0 + (s_width - xpos); break;
- case wxHTML_ALIGN_CENTER : xdelta = 0 + (s_width - xpos) / 2; break;
+ case wxHTML_ALIGN_LEFT :
+ case wxHTML_ALIGN_JUSTIFY :
+ xdelta = 0;
+ break;
+ case wxHTML_ALIGN_RIGHT :
+ xdelta = 0 + (s_width - xpos);
+ break;
+ case wxHTML_ALIGN_CENTER :
+ xdelta = 0 + (s_width - xpos) / 2;
+ break;
}
if (xdelta < 0) xdelta = 0;
xdelta += s_indent;
ypos += ysizeup;
- while (line != cell) {
- line -> SetPos(line -> GetPosX() + xdelta, ypos + line -> GetPosY());
- line = line -> GetNext();
+
+ if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL)
+ {
+ while (line != cell)
+ {
+ line->SetPos(line->GetPosX() + xdelta,
+ ypos + line->GetPosY());
+ line = line->GetNext();
+ }
+ }
+ else // align == justify
+ {
+ // 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 )
+ {
+ // first count the cells which will get extra space
+ int total = -1;
+
+ const wxHtmlCell *c;
+ if ( line != cell )
+ {
+ for ( c = line; c != cell; c = c->GetNext() )
+ {
+ if ( c->IsLinebreakAllowed() )
+ {
+ total++;
+ }
+ }
+ }
+
+ // and now extra space to those cells which merit it
+ if ( total )
+ {
+ // first visible cell on line is not moved:
+ while (line !=cell && !line->IsLinebreakAllowed())
+ {
+ line->SetPos(line->GetPosX() + s_indent,
+ line->GetPosY() + ypos);
+ line = line->GetNext();
+ }
+
+ if (line != cell)
+ {
+ 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();
+ }
+ }
}
ypos += ysizedown;
// setup height & width, depending on container layout:
m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom;
- if (m_Height < m_MinHeight) {
- if (m_MinHeightAlign != wxHTML_ALIGN_TOP) {
+ if (m_Height < m_MinHeight)
+ {
+ if (m_MinHeightAlign != wxHTML_ALIGN_TOP)
+ {
int diff = m_MinHeight - m_Height;
if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2;
cell = m_Cells;
- while (cell) {
- cell -> SetPos(cell -> GetPosX(), cell -> GetPosY() + diff);
- cell = cell -> GetNext();
+ while (cell)
+ {
+ cell->SetPos(cell->GetPosX(), cell->GetPosY() + diff);
+ cell = cell->GetNext();
}
}
m_Height = m_MinHeight;
}
- m_MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
- if (m_Width < m_MaxLineWidth) m_Width = m_MaxLineWidth;
+ if (curLineWidth > m_MaxTotalWidth)
+ m_MaxTotalWidth = curLineWidth;
- wxHtmlCell::Layout(w);
+ 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;
+
+ m_LastLayout = w;
}
+void wxHtmlContainerCell::UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
+ wxHtmlCell *cell) const
+{
+ wxHtmlSelection *s = info.GetSelection();
+ if (!s) return;
+ if (s->GetFromCell() == cell || s->GetToCell() == cell)
+ {
+ info.GetState().SetSelectionState(wxHTML_SEL_CHANGING);
+ }
+}
+
+void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
+ wxHtmlCell *cell) const
+{
+ wxHtmlSelection *s = info.GetSelection();
+ if (!s) return;
+ if (s->GetToCell() == cell)
+ info.GetState().SetSelectionState(wxHTML_SEL_OUT);
+ else if (s->GetFromCell() == cell)
+ info.GetState().SetSelectionState(wxHTML_SEL_IN);
+}
#define mMin(a, b) (((a) < (b)) ? (a) : (b))
#define mMax(a, b) (((a) < (b)) ? (b) : (a))
-void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
+ wxHtmlRenderingInfo& info)
{
- // container visible, draw it:
- if ((y + m_PosY < view_y2) && (y + m_PosY + m_Height > view_y1)) {
-
- if (m_UseBkColour) {
- wxBrush myb = wxBrush(m_BkColour, wxSOLID);
-
- int real_y1 = mMax(y + m_PosY, view_y1);
- int real_y2 = mMin(y + m_PosY + m_Height - 1, view_y2);
+#if 0 // useful for debugging
+ dc.SetPen(*wxRED_PEN);
+ dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
+#endif
- dc.SetBrush(myb);
- dc.SetPen(*wxTRANSPARENT_PEN);
- dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1);
- }
+ int xlocal = x + m_PosX;
+ int ylocal = y + m_PosY;
- if (m_UseBorder) {
- wxPen mypen1(m_BorderColour1, 1, wxSOLID);
- wxPen mypen2(m_BorderColour2, 1, wxSOLID);
+ if (m_UseBkColour)
+ {
+ wxBrush myb = wxBrush(m_BkColour, wxSOLID);
- dc.SetPen(mypen1);
- dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX, y + m_PosY + m_Height - 1);
- dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY);
- dc.SetPen(mypen2);
- dc.DrawLine(x + m_PosX + m_Width - 1, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1);
- dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1);
- }
+ int real_y1 = mMax(ylocal, view_y1);
+ int real_y2 = mMin(ylocal + m_Height - 1, view_y2);
- if (m_Cells) m_Cells -> Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2);
+ dc.SetBrush(myb);
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.DrawRectangle(xlocal, real_y1, m_Width, real_y2 - real_y1 + 1);
}
- // container invisible, just proceed font+color changing:
- else {
- if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
+
+ if (m_UseBorder)
+ {
+ wxPen mypen1(m_BorderColour1, 1, wxSOLID);
+ wxPen mypen2(m_BorderColour2, 1, wxSOLID);
+
+ dc.SetPen(mypen1);
+ dc.DrawLine(xlocal, ylocal, xlocal, ylocal + m_Height - 1);
+ dc.DrawLine(xlocal, ylocal, xlocal + m_Width, ylocal);
+ dc.SetPen(mypen2);
+ dc.DrawLine(xlocal + m_Width - 1, ylocal, xlocal + m_Width - 1, ylocal + m_Height - 1);
+ dc.DrawLine(xlocal, ylocal + m_Height - 1, xlocal + m_Width, ylocal + m_Height - 1);
}
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ if (m_Cells)
+ {
+ // 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))
+ {
+ // the cell is visible, draw it:
+ UpdateRenderingStatePre(info, cell);
+ cell->Draw(dc,
+ xlocal, ylocal, view_y1, view_y2,
+ info);
+ UpdateRenderingStatePost(info, cell);
+ }
+ else
+ {
+ // the cell is off-screen, proceed with font+color+etc.
+ // changes only:
+ cell->DrawInvisible(dc, xlocal, ylocal, info);
+ }
+ }
+ }
}
-void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y,
+ wxHtmlRenderingInfo& info)
+{
+ if (m_Cells)
+ {
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ {
+ UpdateRenderingStatePre(info, cell);
+ cell->DrawInvisible(dc, x + m_PosX, y + m_PosY, info);
+ UpdateRenderingStatePost(info, cell);
+ }
+ }
+}
+
+
+wxColour wxHtmlContainerCell::GetBackgroundColour()
{
- if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
- wxHtmlCell::DrawInvisible(dc, x, y);
+ if (m_UseBkColour)
+ return m_BkColour;
+ else
+ return wxNullColour;
}
wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
{
- wxHtmlCell *c = m_Cells;
- int cx, cy, cw, ch;
+ wxHtmlCell *cell = FindCellByPos(x, y);
- while (c) {
- cx = c -> GetPosX(), cy = c -> GetPosY();
- cw = c -> GetWidth(), ch = c -> GetHeight();
- if ((x >= cx) && (x < cx + cw) && (y >= cy) && (y < cy + ch))
- return c -> GetLink(x - cx, y - cy);
- c = c -> GetNext();
- }
- return NULL;
+ // VZ: I don't know if we should pass absolute or relative coords to
+ // wxHtmlCell::GetLink()? As the base class version just ignores them
+ // anyhow, it hardly matters right now but should still be clarified
+ return cell ? cell->GetLink(x, y) : NULL;
}
void wxHtmlContainerCell::InsertCell(wxHtmlCell *f)
{
if (!m_Cells) m_Cells = m_LastCell = f;
- else {
- m_LastCell -> SetNext(f);
+ else
+ {
+ m_LastCell->SetNext(f);
m_LastCell = f;
- if (m_LastCell) while (m_LastCell -> GetNext()) m_LastCell = m_LastCell -> GetNext();
+ if (m_LastCell) while (m_LastCell->GetNext()) m_LastCell = m_LastCell->GetNext();
}
- f -> SetParent(this);
+ f->SetParent(this);
+ m_LastLayout = -1;
}
void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
{
- if (tag.HasParam(wxT("ALIGN"))) {
+ if (tag.HasParam(wxT("ALIGN")))
+ {
wxString alg = tag.GetParam(wxT("ALIGN"));
alg.MakeUpper();
if (alg == wxT("CENTER"))
SetAlignHor(wxHTML_ALIGN_CENTER);
else if (alg == wxT("LEFT"))
SetAlignHor(wxHTML_ALIGN_LEFT);
+ else if (alg == wxT("JUSTIFY"))
+ SetAlignHor(wxHTML_ALIGN_JUSTIFY);
else if (alg == wxT("RIGHT"))
SetAlignHor(wxHTML_ALIGN_RIGHT);
+ m_LastLayout = -1;
}
}
void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale)
{
- if (tag.HasParam(wxT("WIDTH"))) {
+ if (tag.HasParam(wxT("WIDTH")))
+ {
int wdi;
wxString wd = tag.GetParam(wxT("WIDTH"));
- if (wd[wd.Length()-1] == wxT('%')) {
+ if (wd[wd.length()-1] == wxT('%'))
+ {
wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
}
- else {
+ else
+ {
wxSscanf(wd.c_str(), wxT("%i"), &wdi);
SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS);
}
+ m_LastLayout = -1;
}
}
const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const
{
- const wxHtmlCell *r = NULL;
+ if (m_Cells)
+ {
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ {
+ const wxHtmlCell *r = cell->Find(condition, param);
+ if (r) return r;
+ }
+ }
+ return NULL;
+}
+
+
+wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y,
+ unsigned flags) const
+{
+ if ( flags & wxHTML_FIND_EXACT )
+ {
+ for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
+ {
+ int cx = cell->GetPosX(),
+ cy = cell->GetPosY();
+
+ if ( (cx <= x) && (cx + cell->GetWidth() > x) &&
+ (cy <= y) && (cy + cell->GetHeight() > y) )
+ {
+ return cell->FindCellByPos(x - cx, y - cy, flags);
+ }
+ }
+ }
+ else if ( flags & wxHTML_FIND_NEAREST_AFTER )
+ {
+ wxHtmlCell *c;
+ for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
+ {
+ if ( cell->IsFormattingCell() )
+ continue;
+ int cellY = cell->GetPosY();
+ if (!( y < cellY || (y < cellY + cell->GetHeight() &&
+ x < cell->GetPosX() + cell->GetWidth()) ))
+ continue;
+
+ c = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags);
+ if (c) return c;
+ }
+ }
+ else if ( flags & wxHTML_FIND_NEAREST_BEFORE )
+ {
+ wxHtmlCell *c2, *c = NULL;
+ for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
+ {
+ if ( cell->IsFormattingCell() )
+ continue;
+ int cellY = cell->GetPosY();
+ if (!( cellY + cell->GetHeight() <= y ||
+ (y >= cellY && x >= cell->GetPosX()) ))
+ break;
+ c2 = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags);
+ if (c2)
+ c = c2;
+ }
+ if (c) return c;
+ }
+
+ return NULL;
+}
+
+
+bool wxHtmlContainerCell::ProcessMouseClick(wxHtmlWindowInterface *window,
+ const wxPoint& pos,
+ const wxMouseEvent& event)
+{
+#if WXWIN_COMPATIBILITY_2_6
+ wxHtmlCellOnMouseClickCompatHelper compat(window, pos, event);
+ return compat.CallOnMouseClick(this);
+}
- if (m_Cells) {
- r = m_Cells -> Find(condition, param);
- if (r) return r;
+void wxHtmlContainerCell::OnMouseClick(wxWindow*,
+ int, int, const wxMouseEvent& event)
+{
+ wxCHECK_RET( gs_helperOnMouseClick, _T("unexpected call to OnMouseClick") );
+ wxHtmlWindowInterface *window = gs_helperOnMouseClick->window;
+ const wxPoint& pos = gs_helperOnMouseClick->pos;
+#endif // WXWIN_COMPATIBILITY_2_6
+
+ bool retval = false;
+ wxHtmlCell *cell = FindCellByPos(pos.x, pos.y);
+ if ( cell )
+ retval = cell->ProcessMouseClick(window, pos, event);
+
+#if WXWIN_COMPATIBILITY_2_6
+ gs_helperOnMouseClick->retval = retval;
+#else
+ return retval;
+#endif // WXWIN_COMPATIBILITY_2_6
+}
+
+
+wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const
+{
+ if ( m_Cells )
+ {
+ wxHtmlCell *c2;
+ for (wxHtmlCell *c = m_Cells; c; c = c->GetNext())
+ {
+ c2 = c->GetFirstTerminal();
+ if ( c2 )
+ return c2;
+ }
}
+ return NULL;
+}
- return wxHtmlCell::Find(condition, param);
+wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const
+{
+ if ( m_Cells )
+ {
+ // most common case first:
+ wxHtmlCell *c = m_LastCell->GetLastTerminal();
+ if ( c )
+ return c;
+
+ wxHtmlCell *ctmp;
+ wxHtmlCell *c2 = NULL;
+ for (c = m_Cells; c; c = c->GetNext())
+ {
+ ctmp = c->GetLastTerminal();
+ if ( ctmp )
+ c2 = ctmp;
+ }
+ return c2;
+ }
+ else
+ return NULL;
}
+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::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event)
+void wxHtmlContainerCell::RemoveExtraSpacing(bool top, bool bottom)
{
- if (m_Cells) {
- wxHtmlCell *c = m_Cells;
- while (c) {
- if ( (c -> GetPosX() <= x) &&
- (c -> GetPosY() <= y) &&
- (c -> GetPosX() + c -> GetWidth() > x) &&
- (c -> GetPosY() + c -> GetHeight() > y)) {
- c -> OnMouseClick(parent, x - c -> GetPosX(), y - c -> GetPosY(), event);
- break;
+ 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;
+ }
+ }
}
- c = c -> GetNext();
}
}
}
-
-//--------------------------------------------------------------------------------
+// --------------------------------------------------------------------------
// wxHtmlColourCell
-//--------------------------------------------------------------------------------
+// --------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlColourCell, wxHtmlCell)
-void wxHtmlColourCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlColourCell::Draw(wxDC& dc,
+ int x, int y,
+ int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+ wxHtmlRenderingInfo& info)
{
- if (m_Flags & wxHTML_CLR_FOREGROUND)
- dc.SetTextForeground(m_Colour);
- if (m_Flags & wxHTML_CLR_BACKGROUND) {
- dc.SetBackground(wxBrush(m_Colour, wxSOLID));
- dc.SetTextBackground(m_Colour);
- }
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ DrawInvisible(dc, x, y, info);
}
-void wxHtmlColourCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlColourCell::DrawInvisible(wxDC& dc,
+ int WXUNUSED(x), int WXUNUSED(y),
+ wxHtmlRenderingInfo& info)
{
+ wxHtmlRenderingState& state = info.GetState();
if (m_Flags & wxHTML_CLR_FOREGROUND)
- dc.SetTextForeground(m_Colour);
- if (m_Flags & wxHTML_CLR_BACKGROUND) {
- dc.SetBackground(wxBrush(m_Colour, wxSOLID));
- dc.SetTextBackground(m_Colour);
+ {
+ state.SetFgColour(m_Colour);
+ if (state.GetSelectionState() != wxHTML_SEL_IN)
+ dc.SetTextForeground(m_Colour);
+ else
+ dc.SetTextForeground(
+ info.GetStyle().GetSelectedTextColour(m_Colour));
+ }
+ if (m_Flags & wxHTML_CLR_BACKGROUND)
+ {
+ state.SetBgColour(m_Colour);
+ if (state.GetSelectionState() != wxHTML_SEL_IN)
+ {
+ dc.SetTextBackground(m_Colour);
+ dc.SetBackground(wxBrush(m_Colour, wxSOLID));
+ }
+ else
+ {
+ wxColour c = info.GetStyle().GetSelectedTextBgColour(m_Colour);
+ dc.SetTextBackground(c);
+ dc.SetBackground(wxBrush(c, wxSOLID));
+ }
}
- wxHtmlCell::DrawInvisible(dc, x, y);
}
-//--------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
// wxHtmlFontCell
-//--------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlFontCell, wxHtmlCell)
-void wxHtmlFontCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlFontCell::Draw(wxDC& dc,
+ int WXUNUSED(x), int WXUNUSED(y),
+ int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
dc.SetFont(m_Font);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}
-void wxHtmlFontCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y),
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
dc.SetFont(m_Font);
- wxHtmlCell::DrawInvisible(dc, x, y);
}
-//--------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
// wxHtmlWidgetCell
-//--------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell)
wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
{
int sx, sy;
m_Wnd = wnd;
- m_Wnd -> GetSize(&sx, &sy);
+ m_Wnd->GetSize(&sx, &sy);
m_Width = sx, m_Height = sy;
m_WidthFloat = w;
}
-void wxHtmlWidgetCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc),
+ int WXUNUSED(x), int WXUNUSED(y),
+ int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this;
- while (c) {
- absx += c -> GetPosX();
- absy += c -> GetPosY();
- c = c -> GetParent();
+ while (c)
+ {
+ absx += c->GetPosX();
+ absy += c->GetPosY();
+ c = c->GetParent();
}
- ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
- m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
-
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+ ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
+ m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
}
-void wxHtmlWidgetCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc),
+ int WXUNUSED(x), int WXUNUSED(y),
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this;
- while (c) {
- absx += c -> GetPosX();
- absy += c -> GetPosY();
- c = c -> GetParent();
+ while (c)
+ {
+ absx += c->GetPosX();
+ absy += c->GetPosY();
+ c = c->GetParent();
}
- ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
- m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
-
- wxHtmlCell::DrawInvisible(dc, x, y);
+ ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
+ m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
}
void wxHtmlWidgetCell::Layout(int w)
{
- if (m_WidthFloat != 0) {
+ if (m_WidthFloat != 0)
+ {
m_Width = (w * m_WidthFloat) / 100;
- m_Wnd -> SetSize(m_Width, m_Height);
+ m_Wnd->SetSize(m_Width, m_Height);
}
wxHtmlCell::Layout(w);
}
+
+
+// ----------------------------------------------------------------------------
+// wxHtmlTerminalCellsInterator
+// ----------------------------------------------------------------------------
+
+const wxHtmlCell* wxHtmlTerminalCellsInterator::operator++()
+{
+ if ( !m_pos )
+ return NULL;
+
+ do
+ {
+ if ( m_pos == m_to )
+ {
+ m_pos = NULL;
+ return NULL;
+ }
+
+ if ( m_pos->GetNext() )
+ m_pos = m_pos->GetNext();
+ else
+ {
+ // we must go up the hierarchy until we reach container where this
+ // is not the last child, and then go down to first terminal cell:
+ while ( m_pos->GetNext() == NULL )
+ {
+ m_pos = m_pos->GetParent();
+ if ( !m_pos )
+ return NULL;
+ }
+ m_pos = m_pos->GetNext();
+ }
+ while ( m_pos->GetFirstChild() != NULL )
+ m_pos = m_pos->GetFirstChild();
+ } while ( !m_pos->IsTerminalCell() );
+
+ return m_pos;
+}
+
#endif
projects / wxWidgets.git / blobdiff