6a603a10e7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53282 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1674 lines
48 KiB
C++
1674 lines
48 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/html/htmlcell.cpp
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// Purpose: wxHtmlCell - basic element of HTML output
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// Author: Vaclav Slavik
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// RCS-ID: $Id$
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// Copyright: (c) 1999 Vaclav Slavik
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_HTML && wxUSE_STREAMS
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#ifndef WX_PRECOMP
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#include "wx/dynarray.h"
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#include "wx/brush.h"
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#include "wx/colour.h"
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#include "wx/dc.h"
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#include "wx/settings.h"
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#include "wx/module.h"
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#include "wx/wxcrtvararg.h"
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#endif
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#include "wx/html/htmlcell.h"
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#include "wx/html/htmlwin.h"
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#include <stdlib.h>
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//-----------------------------------------------------------------------------
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// Helper classes
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//-----------------------------------------------------------------------------
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void wxHtmlSelection::Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
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const wxPoint& toPos, const wxHtmlCell *toCell)
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{
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m_fromCell = fromCell;
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m_toCell = toCell;
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m_fromPos = fromPos;
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m_toPos = toPos;
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}
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void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell)
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{
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wxPoint p1 = fromCell ? fromCell->GetAbsPos() : wxDefaultPosition;
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wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition;
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if ( toCell )
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{
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p2.x += toCell->GetWidth();
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p2.y += toCell->GetHeight();
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}
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Set(p1, fromCell, p2, toCell);
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}
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wxColour
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wxDefaultHtmlRenderingStyle::
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GetSelectedTextColour(const wxColour& WXUNUSED(clr))
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{
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return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
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}
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wxColour
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wxDefaultHtmlRenderingStyle::
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GetSelectedTextBgColour(const wxColour& WXUNUSED(clr))
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{
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return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
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}
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//-----------------------------------------------------------------------------
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// wxHtmlCell
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//-----------------------------------------------------------------------------
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IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject)
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wxHtmlCell::wxHtmlCell() : wxObject()
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{
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m_Next = NULL;
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m_Parent = NULL;
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m_Width = m_Height = m_Descent = 0;
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m_ScriptMode = wxHTML_SCRIPT_NORMAL; // <sub> or <sup> mode
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m_ScriptBaseline = 0; // <sub> or <sup> baseline
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m_CanLiveOnPagebreak = true;
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m_Link = NULL;
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}
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wxHtmlCell::~wxHtmlCell()
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{
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delete m_Link;
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}
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// Update the descent value when whe are in a <sub> or <sup>.
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// prevbase is the parent base
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void wxHtmlCell::SetScriptMode(wxHtmlScriptMode mode, long previousBase)
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{
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m_ScriptMode = mode;
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if (mode == wxHTML_SCRIPT_SUP)
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m_ScriptBaseline = previousBase - (m_Height + 1) / 2;
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else if (mode == wxHTML_SCRIPT_SUB)
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m_ScriptBaseline = previousBase + (m_Height + 1) / 6;
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else
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m_ScriptBaseline = 0;
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m_Descent += m_ScriptBaseline;
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}
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#if WXWIN_COMPATIBILITY_2_6
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struct wxHtmlCellOnMouseClickCompatHelper;
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static wxHtmlCellOnMouseClickCompatHelper *gs_helperOnMouseClick = NULL;
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// helper for routing calls to new ProcessMouseClick() method to deprecated
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// OnMouseClick() method
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struct wxHtmlCellOnMouseClickCompatHelper
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{
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wxHtmlCellOnMouseClickCompatHelper(wxHtmlWindowInterface *window_,
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const wxPoint& pos_,
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const wxMouseEvent& event_)
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: window(window_), pos(pos_), event(event_), retval(false)
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{
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}
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bool CallOnMouseClick(wxHtmlCell *cell)
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{
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wxHtmlCellOnMouseClickCompatHelper *oldHelper = gs_helperOnMouseClick;
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gs_helperOnMouseClick = this;
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cell->OnMouseClick
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(
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window ? window->GetHTMLWindow() : NULL,
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pos.x, pos.y,
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event
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);
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gs_helperOnMouseClick = oldHelper;
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return retval;
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}
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wxHtmlWindowInterface *window;
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const wxPoint& pos;
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const wxMouseEvent& event;
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bool retval;
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};
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#endif // WXWIN_COMPATIBILITY_2_6
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bool wxHtmlCell::ProcessMouseClick(wxHtmlWindowInterface *window,
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const wxPoint& pos,
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const wxMouseEvent& event)
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{
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wxCHECK_MSG( window, false, _T("window interface must be provided") );
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#if WXWIN_COMPATIBILITY_2_6
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// NB: this hack puts the body of ProcessMouseClick() into OnMouseClick()
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// (for which it has to pass the arguments and return value via a
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// helper variable because these two methods have different
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// signatures), so that old code overriding OnMouseClick will continue
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// to work
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wxHtmlCellOnMouseClickCompatHelper compat(window, pos, event);
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return compat.CallOnMouseClick(this);
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}
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void wxHtmlCell::OnMouseClick(wxWindow *, int, int, const wxMouseEvent& event)
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{
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wxCHECK_RET( gs_helperOnMouseClick, _T("unexpected call to OnMouseClick") );
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wxHtmlWindowInterface *window = gs_helperOnMouseClick->window;
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const wxPoint& pos = gs_helperOnMouseClick->pos;
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#endif // WXWIN_COMPATIBILITY_2_6
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wxHtmlLinkInfo *lnk = GetLink(pos.x, pos.y);
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bool retval = false;
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if (lnk)
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{
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wxHtmlLinkInfo lnk2(*lnk);
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lnk2.SetEvent(&event);
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lnk2.SetHtmlCell(this);
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window->OnHTMLLinkClicked(lnk2);
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retval = true;
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}
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#if WXWIN_COMPATIBILITY_2_6
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gs_helperOnMouseClick->retval = retval;
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#else
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return retval;
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#endif // WXWIN_COMPATIBILITY_2_6
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}
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#if WXWIN_COMPATIBILITY_2_6
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wxCursor wxHtmlCell::GetCursor() const
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{
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return wxNullCursor;
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}
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#endif // WXWIN_COMPATIBILITY_2_6
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wxCursor wxHtmlCell::GetMouseCursor(wxHtmlWindowInterface *window) const
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{
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#if WXWIN_COMPATIBILITY_2_6
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// NB: Older versions of wx used GetCursor() virtual method in place of
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// GetMouseCursor(interface). This code ensures that user code that
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// overriden GetCursor() continues to work. The trick is that the base
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// wxHtmlCell::GetCursor() method simply returns wxNullCursor, so we
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// know that GetCursor() was overriden iff it returns valid cursor.
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wxCursor cur = GetCursor();
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if (cur.Ok())
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return cur;
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#endif // WXWIN_COMPATIBILITY_2_6
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if ( GetLink() )
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{
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return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Link);
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}
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else
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{
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return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Default);
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}
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}
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bool wxHtmlCell::AdjustPagebreak(int *pagebreak,
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wxArrayInt& WXUNUSED(known_pagebreaks)) const
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{
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if ((!m_CanLiveOnPagebreak) &&
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m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)
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{
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*pagebreak = m_PosY;
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return true;
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}
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return false;
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}
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void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
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{
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if (m_Link) delete m_Link;
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m_Link = NULL;
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if (link.GetHref() != wxEmptyString)
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m_Link = new wxHtmlLinkInfo(link);
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}
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void wxHtmlCell::Layout(int WXUNUSED(w))
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{
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SetPos(0, 0);
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}
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const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const
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{
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return NULL;
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}
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wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y,
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unsigned flags) const
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{
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if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height )
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{
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return wxConstCast(this, wxHtmlCell);
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}
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else
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{
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if ((flags & wxHTML_FIND_NEAREST_AFTER) &&
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(y < 0 || (y < 0+m_Height && x < 0+m_Width)))
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return wxConstCast(this, wxHtmlCell);
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else if ((flags & wxHTML_FIND_NEAREST_BEFORE) &&
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(y >= 0+m_Height || (y >= 0 && x >= 0)))
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return wxConstCast(this, wxHtmlCell);
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else
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return NULL;
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}
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}
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wxPoint wxHtmlCell::GetAbsPos(wxHtmlCell *rootCell) const
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{
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wxPoint p(m_PosX, m_PosY);
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for (wxHtmlCell *parent = m_Parent; parent && parent != rootCell;
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parent = parent->m_Parent)
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{
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p.x += parent->m_PosX;
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p.y += parent->m_PosY;
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}
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return p;
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}
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wxHtmlCell *wxHtmlCell::GetRootCell() const
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{
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wxHtmlCell *c = wxConstCast(this, wxHtmlCell);
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while ( c->m_Parent )
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c = c->m_Parent;
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return c;
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}
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unsigned wxHtmlCell::GetDepth() const
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{
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unsigned d = 0;
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for (wxHtmlCell *p = m_Parent; p; p = p->m_Parent)
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d++;
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return d;
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}
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bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const
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{
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const wxHtmlCell *c1 = this;
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const wxHtmlCell *c2 = cell;
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unsigned d1 = GetDepth();
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unsigned d2 = cell->GetDepth();
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if ( d1 > d2 )
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for (; d1 != d2; d1-- )
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c1 = c1->m_Parent;
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else if ( d1 < d2 )
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for (; d1 != d2; d2-- )
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c2 = c2->m_Parent;
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if ( cell == this )
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return true;
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while ( c1 && c2 )
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{
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if ( c1->m_Parent == c2->m_Parent )
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{
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while ( c1 )
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{
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if ( c1 == c2 )
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return true;
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c1 = c1->GetNext();
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}
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return false;
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}
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else
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{
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c1 = c1->m_Parent;
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c2 = c2->m_Parent;
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}
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}
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wxFAIL_MSG(_T("Cells are in different trees"));
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return false;
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}
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//-----------------------------------------------------------------------------
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// wxHtmlWordCell
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//-----------------------------------------------------------------------------
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IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell)
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wxHtmlWordCell::wxHtmlWordCell(const wxString& word, const wxDC& dc) : wxHtmlCell()
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{
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m_Word = word;
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wxCoord w, h, d;
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dc.GetTextExtent(m_Word, &w, &h, &d);
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m_Width = w;
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m_Height = h;
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m_Descent = d;
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SetCanLiveOnPagebreak(false);
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m_allowLinebreak = true;
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}
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void wxHtmlWordCell::SetPreviousWord(wxHtmlWordCell *cell)
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{
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if ( cell && m_Parent == cell->m_Parent &&
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!wxIsspace(cell->m_Word.Last()) && !wxIsspace(m_Word[0u]) )
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{
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m_allowLinebreak = false;
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}
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}
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// Splits m_Word into up to three parts according to selection, returns
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// substring before, in and after selection and the points (in relative coords)
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// where s2 and s3 start:
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void wxHtmlWordCell::Split(const wxDC& dc,
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const wxPoint& selFrom, const wxPoint& selTo,
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unsigned& pos1, unsigned& pos2) const
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{
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wxPoint pt1 = (selFrom == wxDefaultPosition) ?
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wxDefaultPosition : selFrom - GetAbsPos();
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wxPoint pt2 = (selTo == wxDefaultPosition) ?
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wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos();
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// if the selection is entirely within this cell, make sure pt1 < pt2 in
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// order to make the rest of this function simpler:
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if ( selFrom != wxDefaultPosition && selTo != wxDefaultPosition &&
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selFrom.x > selTo.x )
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{
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wxPoint tmp = pt1;
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pt1 = pt2;
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pt2 = tmp;
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}
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unsigned len = m_Word.length();
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unsigned i = 0;
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pos1 = 0;
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// adjust for cases when the start/end position is completely
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// outside the cell:
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if ( pt1.y < 0 )
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pt1.x = 0;
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if ( pt2.y >= m_Height )
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pt2.x = m_Width;
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// before selection:
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// (include character under caret only if in first half of width)
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#ifdef __WXMAC__
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// implementation using PartialExtents to support fractional widths
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wxArrayInt widths ;
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dc.GetPartialTextExtents(m_Word,widths) ;
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while( i < len && pt1.x >= widths[i] )
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i++ ;
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if ( i < len )
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{
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int charW = (i > 0) ? widths[i] - widths[i-1] : widths[i];
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if ( widths[i] - pt1.x < charW/2 )
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i++;
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}
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#else // !__WXMAC__
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wxCoord charW, charH;
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while ( pt1.x > 0 && i < len )
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{
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dc.GetTextExtent(m_Word[i], &charW, &charH);
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pt1.x -= charW;
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if ( pt1.x >= -charW/2 )
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{
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pos1 += charW;
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i++;
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}
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}
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#endif // __WXMAC__/!__WXMAC__
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// in selection:
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// (include character under caret only if in first half of width)
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unsigned j = i;
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#ifdef __WXMAC__
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while( j < len && pt2.x >= widths[j] )
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j++ ;
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if ( j < len )
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{
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int charW = (j > 0) ? widths[j] - widths[j-1] : widths[j];
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if ( widths[j] - pt2.x < charW/2 )
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j++;
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}
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#else // !__WXMAC__
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pos2 = pos1;
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pt2.x -= pos2;
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while ( pt2.x > 0 && j < len )
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{
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dc.GetTextExtent(m_Word[j], &charW, &charH);
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pt2.x -= charW;
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if ( pt2.x >= -charW/2 )
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{
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pos2 += charW;
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j++;
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}
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}
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#endif // __WXMAC__/!__WXMAC__
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pos1 = i;
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pos2 = j;
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wxASSERT( pos2 >= pos1 );
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}
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void wxHtmlWordCell::SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const
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{
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unsigned p1, p2;
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Split(dc,
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this == s->GetFromCell() ? s->GetFromPos() : wxDefaultPosition,
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this == s->GetToCell() ? s->GetToPos() : wxDefaultPosition,
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p1, p2);
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wxPoint p(0, m_Word.length());
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if ( this == s->GetFromCell() )
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p.x = p1; // selection starts here
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if ( this == s->GetToCell() )
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p.y = p2; // selection ends here
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if ( this == s->GetFromCell() )
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s->SetFromPrivPos(p);
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if ( this == s->GetToCell() )
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s->SetToPrivPos(p);
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}
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static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info,
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bool toSelection)
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{
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wxColour fg = info.GetState().GetFgColour();
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wxColour bg = info.GetState().GetBgColour();
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if ( toSelection )
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{
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dc.SetBackgroundMode(wxBRUSHSTYLE_SOLID);
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dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg));
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dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg));
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dc.SetBackground(wxBrush(info.GetStyle().GetSelectedTextBgColour(bg),
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wxBRUSHSTYLE_SOLID));
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}
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else
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{
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dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
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dc.SetTextForeground(fg);
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dc.SetTextBackground(bg);
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dc.SetBackground(wxBrush(bg, wxBRUSHSTYLE_SOLID));
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}
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}
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void wxHtmlWordCell::Draw(wxDC& dc, int x, int y,
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int WXUNUSED(view_y1), int WXUNUSED(view_y2),
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wxHtmlRenderingInfo& info)
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{
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#if 0 // useful for debugging
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dc.SetPen(*wxBLACK_PEN);
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dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width /* VZ: +1? */ ,m_Height);
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#endif
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bool drawSelectionAfterCell = false;
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if ( info.GetState().GetSelectionState() == wxHTML_SEL_CHANGING )
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{
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// Selection changing, we must draw the word piecewise:
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wxHtmlSelection *s = info.GetSelection();
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wxString txt;
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int w, h;
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int ofs = 0;
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wxPoint priv = (this == s->GetFromCell()) ?
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s->GetFromPrivPos() : s->GetToPrivPos();
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// 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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
wxCursor wxHtmlWordCell::GetMouseCursor(wxHtmlWindowInterface *window) const
|
|
{
|
|
if ( !GetLink() )
|
|
{
|
|
return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Text);
|
|
}
|
|
else
|
|
{
|
|
return wxHtmlCell::GetMouseCursor(window);
|
|
}
|
|
}
|
|
|
|
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 )
|
|
{
|
|
const int part1 = priv.x;
|
|
const int part2 = priv.y;
|
|
if ( part1 == part2 )
|
|
return wxEmptyString;
|
|
return GetPartAsText(part1, part2);
|
|
}
|
|
//else: return the whole word below
|
|
}
|
|
|
|
return GetAllAsText();
|
|
}
|
|
|
|
wxString wxHtmlWordWithTabsCell::GetAllAsText() const
|
|
{
|
|
return m_wordOrig;
|
|
}
|
|
|
|
wxString wxHtmlWordWithTabsCell::GetPartAsText(int begin, int end) const
|
|
{
|
|
// NB: The 'begin' and 'end' positions are in the _displayed_ text
|
|
// (stored in m_Word) and not in the text with tabs that should
|
|
// be copied to clipboard (m_wordOrig).
|
|
//
|
|
// NB: Because selection is performed on displayed text, it's possible
|
|
// to select e.g. "half of TAB character" -- IOW, 'begin' and 'end'
|
|
// may be in the middle of TAB character expansion into ' 's. In this
|
|
// case, we copy the TAB character to clipboard once.
|
|
|
|
wxASSERT( begin < end );
|
|
|
|
const unsigned SPACES_PER_TAB = 8;
|
|
|
|
wxString sel;
|
|
|
|
int pos = 0;
|
|
wxString::const_iterator i = m_wordOrig.begin();
|
|
|
|
// find the beginning of text to copy:
|
|
for ( ; pos < begin; ++i )
|
|
{
|
|
if ( *i == '\t' )
|
|
{
|
|
pos += 8 - (m_linepos + pos) % SPACES_PER_TAB;
|
|
if ( pos >= begin )
|
|
{
|
|
sel += '\t';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
++pos;
|
|
}
|
|
}
|
|
|
|
// copy the content until we reach 'end':
|
|
for ( ; pos < end; ++i )
|
|
{
|
|
const wxChar c = *i;
|
|
sel += c;
|
|
|
|
if ( c == '\t' )
|
|
pos += 8 - (m_linepos + pos) % SPACES_PER_TAB;
|
|
else
|
|
++pos;
|
|
}
|
|
|
|
return sel;
|
|
}
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// 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_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;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void wxHtmlContainerCell::SetIndent(int i, int what, int units)
|
|
{
|
|
int val = (units == wxHTML_UNITS_PIXELS) ? i : -i;
|
|
if (what & wxHTML_INDENT_LEFT) m_IndentLeft = val;
|
|
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::GetIndent(int ind) const
|
|
{
|
|
if (ind & wxHTML_INDENT_LEFT) return m_IndentLeft;
|
|
else if (ind & wxHTML_INDENT_RIGHT) return m_IndentRight;
|
|
else if (ind & wxHTML_INDENT_TOP) return m_IndentTop;
|
|
else if (ind & wxHTML_INDENT_BOTTOM) return m_IndentBottom;
|
|
else return -1; /* BUG! Should not be called... */
|
|
}
|
|
|
|
|
|
|
|
|
|
int wxHtmlContainerCell::GetIndentUnits(int ind) const
|
|
{
|
|
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 if (ind & wxHTML_INDENT_BOTTOM) p = m_IndentBottom < 0;
|
|
if (p) return wxHTML_UNITS_PERCENT;
|
|
else return wxHTML_UNITS_PIXELS;
|
|
}
|
|
|
|
|
|
bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak,
|
|
wxArrayInt& known_pagebreaks) const
|
|
{
|
|
if (!m_CanLiveOnPagebreak)
|
|
return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks);
|
|
|
|
wxHtmlCell *c = GetFirstChild();
|
|
bool rt = false;
|
|
int pbrk = *pagebreak - m_PosY;
|
|
|
|
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::Layout(w);
|
|
|
|
if (m_LastLayout == w)
|
|
return;
|
|
m_LastLayout = w;
|
|
|
|
// 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, nextWordWidth, s_indent;
|
|
int ysizeup = 0, ysizedown = 0;
|
|
int MaxLineWidth = 0;
|
|
int curLineWidth = 0;
|
|
m_MaxTotalWidth = 0;
|
|
|
|
|
|
/*
|
|
|
|
WIDTH ADJUSTING :
|
|
|
|
*/
|
|
|
|
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
|
|
{
|
|
if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
|
|
else m_Width = m_WidthFloat;
|
|
}
|
|
|
|
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;
|
|
for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
|
|
cell->Layout(m_Width - (l + r));
|
|
}
|
|
|
|
/*
|
|
|
|
LAYOUTING :
|
|
|
|
*/
|
|
|
|
// adjust indentation:
|
|
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);
|
|
|
|
// my own layouting:
|
|
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;
|
|
}
|
|
ydiff = cell->GetHeight() + ybasicpos;
|
|
|
|
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();
|
|
|
|
// 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 :
|
|
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;
|
|
|
|
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;
|
|
xpos = 0;
|
|
ysizeup = ysizedown = 0;
|
|
line = cell;
|
|
}
|
|
}
|
|
|
|
// 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)
|
|
{
|
|
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();
|
|
}
|
|
}
|
|
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::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,
|
|
wxHtmlRenderingInfo& info)
|
|
{
|
|
#if 0 // useful for debugging
|
|
dc.SetPen(*wxRED_PEN);
|
|
dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
|
|
#endif
|
|
|
|
int xlocal = x + m_PosX;
|
|
int ylocal = y + m_PosY;
|
|
|
|
if (m_UseBkColour)
|
|
{
|
|
wxBrush myb = wxBrush(m_BkColour, wxBRUSHSTYLE_SOLID);
|
|
|
|
int real_y1 = mMax(ylocal, view_y1);
|
|
int real_y2 = mMin(ylocal + m_Height - 1, view_y2);
|
|
|
|
dc.SetBrush(myb);
|
|
dc.SetPen(*wxTRANSPARENT_PEN);
|
|
dc.DrawRectangle(xlocal, real_y1, m_Width, real_y2 - real_y1 + 1);
|
|
}
|
|
|
|
if (m_UseBorder)
|
|
{
|
|
wxPen mypen1(m_BorderColour1, 1, wxPENSTYLE_SOLID);
|
|
wxPen mypen2(m_BorderColour2, 1, wxPENSTYLE_SOLID);
|
|
|
|
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);
|
|
}
|
|
|
|
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,
|
|
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_UseBkColour)
|
|
return m_BkColour;
|
|
else
|
|
return wxNullColour;
|
|
}
|
|
|
|
|
|
|
|
wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
|
|
{
|
|
wxHtmlCell *cell = FindCellByPos(x, y);
|
|
|
|
// 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);
|
|
m_LastCell = f;
|
|
if (m_LastCell) while (m_LastCell->GetNext()) m_LastCell = m_LastCell->GetNext();
|
|
}
|
|
f->SetParent(this);
|
|
m_LastLayout = -1;
|
|
}
|
|
|
|
|
|
|
|
void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
|
|
{
|
|
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")))
|
|
{
|
|
int wdi;
|
|
wxString wd = tag.GetParam(wxT("WIDTH"));
|
|
|
|
if (wd[wd.length()-1] == wxT('%'))
|
|
{
|
|
wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
|
|
SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
|
|
}
|
|
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
|
|
{
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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::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),
|
|
wxHtmlRenderingInfo& info)
|
|
{
|
|
DrawInvisible(dc, x, y, info);
|
|
}
|
|
|
|
void wxHtmlColourCell::DrawInvisible(wxDC& dc,
|
|
int WXUNUSED(x), int WXUNUSED(y),
|
|
wxHtmlRenderingInfo& info)
|
|
{
|
|
wxHtmlRenderingState& state = info.GetState();
|
|
if (m_Flags & wxHTML_CLR_FOREGROUND)
|
|
{
|
|
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, wxBRUSHSTYLE_SOLID));
|
|
}
|
|
else
|
|
{
|
|
wxColour c = info.GetStyle().GetSelectedTextBgColour(m_Colour);
|
|
dc.SetTextBackground(c);
|
|
dc.SetBackground(wxBrush(c, wxBRUSHSTYLE_SOLID));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// 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),
|
|
wxHtmlRenderingInfo& WXUNUSED(info))
|
|
{
|
|
dc.SetFont(m_Font);
|
|
}
|
|
|
|
void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y),
|
|
wxHtmlRenderingInfo& WXUNUSED(info))
|
|
{
|
|
dc.SetFont(m_Font);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// wxHtmlWidgetCell
|
|
// ---------------------------------------------------------------------------
|
|
|
|
IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell)
|
|
|
|
wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
|
|
{
|
|
int sx, sy;
|
|
m_Wnd = wnd;
|
|
m_Wnd->GetSize(&sx, &sy);
|
|
m_Width = sx, m_Height = sy;
|
|
m_WidthFloat = w;
|
|
}
|
|
|
|
|
|
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();
|
|
}
|
|
|
|
wxScrolledWindow *scrolwin =
|
|
wxDynamicCast(m_Wnd->GetParent(), wxScrolledWindow);
|
|
wxCHECK_RET( scrolwin,
|
|
_T("widget cells can only be placed in wxHtmlWindow") );
|
|
|
|
scrolwin->GetViewStart(&stx, &sty);
|
|
m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx,
|
|
absy - wxHTML_SCROLL_STEP * sty,
|
|
m_Width, m_Height);
|
|
}
|
|
|
|
|
|
|
|
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();
|
|
}
|
|
|
|
((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)
|
|
{
|
|
m_Width = (w * m_WidthFloat) / 100;
|
|
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
|