X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/036933194c5929a106fce2e7cbd0f4f669140dd8..b2ce5e1b2792f53e2e4a1e5f5678ab31c83559c7:/src/html/htmlcell.cpp diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp index bf9750d649..3bd6c6c2c3 100644 --- a/src/html/htmlcell.cpp +++ b/src/html/htmlcell.cpp @@ -7,7 +7,7 @@ // Licence: wxWindows Licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "htmlcell.h" #endif @@ -31,6 +31,7 @@ #include "wx/html/htmlwin.h" #include "wx/settings.h" #include "wx/module.h" +#include "wx/dynarray.h" #include @@ -61,20 +62,22 @@ void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell) wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition; if ( toCell ) { - p2.x += toCell->GetWidth()-1; - p2.y += toCell->GetHeight()-1; + p2.x += toCell->GetWidth(); + p2.y += toCell->GetHeight(); } Set(p1, fromCell, p2, toCell); } -wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextColour( - const wxColour& clr) +wxColour +wxDefaultHtmlRenderingStyle:: +GetSelectedTextColour(const wxColour& WXUNUSED(clr)) { return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); } -wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextBgColour( - const wxColour& WXUNUSED(clr)) +wxColour +wxDefaultHtmlRenderingStyle:: +GetSelectedTextBgColour(const wxColour& WXUNUSED(clr)) { return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT); } @@ -84,6 +87,8 @@ wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextBgColour( // wxHtmlCell //----------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject) + wxHtmlCell::wxHtmlCell() : wxObject() { m_Next = NULL; @@ -158,16 +163,6 @@ void wxHtmlCell::Layout(int WXUNUSED(w)) -void wxHtmlCell::GetHorizontalConstraints(int *left, int *right) const -{ - if (left) - *left = m_PosX; - if (right) - *right = m_PosX + m_Width; -} - - - const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const { return NULL; @@ -259,13 +254,24 @@ bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const // wxHtmlWordCell //----------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell) + wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell() { m_Word = word; dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent); SetCanLiveOnPagebreak(FALSE); + m_allowLinebreak = true; } +void wxHtmlWordCell::SetPreviousWord(wxHtmlWordCell *cell) +{ + if ( cell && m_Parent == cell->m_Parent && + !wxIsspace(cell->m_Word.Last()) && !wxIsspace(m_Word[0u]) ) + { + m_allowLinebreak = false; + } +} // Splits m_Word into up to three parts according to selection, returns // substring before, in and after selection and the points (in relative coords) @@ -374,6 +380,7 @@ void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, wxHtmlRenderingInfo& info) { #if 0 // useful for debugging + dc.SetPen(*wxBLACK_PEN); dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height); #endif @@ -516,11 +523,13 @@ wxCursor wxHtmlWordCell::GetCursor() const // 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; @@ -629,12 +638,15 @@ void wxHtmlContainerCell::Layout(int w) } wxHtmlCell *cell = m_Cells, *line = m_Cells; + wxHtmlCell *nextCell; long xpos = 0, ypos = m_IndentTop; int xdelta = 0, ybasicpos = 0, ydiff; - int s_width, s_indent; + int s_width, nextWordWidth, s_indent; int ysizeup = 0, ysizedown = 0; int MaxLineWidth = 0; int xcnt = 0; + int curLineWidth = 0; + m_MaxTotalWidth = 0; /* @@ -686,13 +698,41 @@ void wxHtmlContainerCell::Layout(int w) if (cell->GetDescent() + ydiff > ysizedown) ysizedown = cell->GetDescent() + ydiff; if (ybasicpos + cell->GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell->GetDescent()); + // layout nonbreakable run of cells: cell->SetPos(xpos, ybasicpos + cell->GetDescent()); xpos += cell->GetWidth(); + if (!cell->IsTerminalCell()) + { + // Container cell indicates new line + if (curLineWidth > m_MaxTotalWidth) + m_MaxTotalWidth = curLineWidth; + + if (wxMax(cell->GetWidth(), cell->GetMaxTotalWidth()) > m_MaxTotalWidth) + m_MaxTotalWidth = cell->GetMaxTotalWidth(); + curLineWidth = 0; + } + else + // Normal cell, add maximum cell width to line width + curLineWidth += cell->GetMaxTotalWidth(); + cell = cell->GetNext(); xcnt++; - + + // compute length of the next word that would be added: + nextWordWidth = 0; + if (cell) + { + nextCell = cell; + do + { + nextWordWidth += nextCell->GetWidth(); + nextCell = nextCell->GetNext(); + } while (nextCell && !nextCell->IsLinebreakAllowed()); + } + // force new line if occured: - if ((cell == NULL) || (xpos + cell->GetWidth() > s_width)) + if ((cell == NULL) || + (xpos + nextWordWidth > s_width && cell->IsLinebreakAllowed())) { if (xpos > MaxLineWidth) MaxLineWidth = xpos; if (ysizeup < 0) ysizeup = 0; @@ -734,7 +774,6 @@ void wxHtmlContainerCell::Layout(int w) ypos + line->GetPosY()); line = line->GetNext(); } - xcnt++; } ypos += ysizedown; @@ -763,6 +802,10 @@ void wxHtmlContainerCell::Layout(int w) 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; @@ -797,6 +840,10 @@ void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingInfo& info, void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info) { +#if 0 // useful for debugging + dc.SetPen(*wxRED_PEN); + dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height); +#endif // container visible, draw it: if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1)) { @@ -946,11 +993,9 @@ const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) co { if (m_Cells) { - const wxHtmlCell *r = NULL; - for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) { - r = cell->Find(condition, param); + const wxHtmlCell *r = cell->Find(condition, param); if (r) return r; } } @@ -1022,30 +1067,6 @@ void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxM -void wxHtmlContainerCell::GetHorizontalConstraints(int *left, int *right) const -{ - int cleft = m_PosX + m_Width, cright = m_PosX; // worst case - int l, r; - - for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) - { - cell->GetHorizontalConstraints(&l, &r); - if (l < cleft) - cleft = l; - if (r > cright) - cright = r; - } - - cleft -= (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft; - cright += (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight; - - if (left) - *left = cleft; - if (right) - *right = cright; -} - - wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const { if ( m_Cells ) @@ -1070,9 +1091,14 @@ wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const if ( c ) return c; + wxHtmlCell *ctmp; wxHtmlCell *c2 = NULL; for (c = m_Cells; c; c = c->GetNext()) - c2 = c->GetLastTerminal(); + { + ctmp = c->GetLastTerminal(); + if ( ctmp ) + c2 = ctmp; + } return c2; } else @@ -1080,12 +1106,92 @@ wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const } +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), @@ -1132,6 +1238,8 @@ void wxHtmlColourCell::DrawInvisible(wxDC& dc, // 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), @@ -1157,6 +1265,8 @@ void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), // wxHtmlWidgetCell // --------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell) + wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w) { int sx, sy;