X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0413cec5271566470f4c852608a35800b49056cd..fb8d7eb7a880f1f2e32d8830f9c5e12b2536e05f:/src/html/m_list.cpp diff --git a/src/html/m_list.cpp b/src/html/m_list.cpp index 58425f35c2..a008562b9f 100644 --- a/src/html/m_list.cpp +++ b/src/html/m_list.cpp @@ -1,29 +1,24 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: m_list.cpp +// Name: src/html/m_list.cpp // Purpose: wxHtml module for lists // 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" -#endif +#if wxUSE_HTML && wxUSE_STREAMS +#ifndef WX_PRECOMP + #include "wx/brush.h" + #include "wx/dc.h" +#endif #include "wx/html/forcelnk.h" #include "wx/html/m_templ.h" @@ -43,27 +38,180 @@ class wxHtmlListmarkCell : public wxHtmlCell wxBrush m_Brush; public: wxHtmlListmarkCell(wxDC *dc, const wxColour& clr); - void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); + void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, + wxHtmlRenderingInfo& info); + + wxDECLARE_NO_COPY_CLASS(wxHtmlListmarkCell); }; -wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCell(), m_Brush(clr, wxSOLID) +wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCell(), m_Brush(clr, wxBRUSHSTYLE_SOLID) { - m_Width = dc -> GetCharWidth(); - m_Height = dc -> GetCharHeight(); - m_Descent = 0; + m_Width = dc->GetCharHeight(); + m_Height = dc->GetCharHeight(); + // bottom of list mark is lined with bottom of letters in next cell + m_Descent = m_Height / 3; } -void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) +void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y, + int WXUNUSED(view_y1), int WXUNUSED(view_y2), + wxHtmlRenderingInfo& WXUNUSED(info)) { dc.SetBrush(m_Brush); - dc.DrawEllipse(x + m_PosX + m_Width / 4, y + m_PosY + m_Height / 4, m_Width / 2, m_Width / 2); - wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); + dc.DrawEllipse(x + m_PosX + m_Width / 3, y + m_PosY + m_Height / 3, + (m_Width / 3), (m_Width / 3)); +} + +//----------------------------------------------------------------------------- +// wxHtmlListCell +//----------------------------------------------------------------------------- + +struct wxHtmlListItemStruct +{ + wxHtmlContainerCell *mark; + wxHtmlContainerCell *cont; + int minWidth; + int maxWidth; +}; + +class wxHtmlListCell : public wxHtmlContainerCell +{ + private: + wxBrush m_Brush; + + int m_NumRows; + wxHtmlListItemStruct *m_RowInfo; + void ReallocRows(int rows); + void ComputeMinMaxWidths(); + int ComputeMaxBase(wxHtmlCell *cell); + int m_ListmarkWidth; + + public: + wxHtmlListCell(wxHtmlContainerCell *parent); + virtual ~wxHtmlListCell(); + void AddRow(wxHtmlContainerCell *mark, wxHtmlContainerCell *cont); + virtual void Layout(int w); + + wxDECLARE_NO_COPY_CLASS(wxHtmlListCell); +}; + +wxHtmlListCell::wxHtmlListCell(wxHtmlContainerCell *parent) : wxHtmlContainerCell(parent) +{ + m_NumRows = 0; + m_RowInfo = 0; + m_ListmarkWidth = 0; +} + +wxHtmlListCell::~wxHtmlListCell() +{ + if (m_RowInfo) free(m_RowInfo); } +int wxHtmlListCell::ComputeMaxBase(wxHtmlCell *cell) +{ + if(!cell) + return 0; + + wxHtmlCell *child = cell->GetFirstChild(); + + while(child) + { + int base = ComputeMaxBase( child ); + if ( base > 0 ) return base + child->GetPosY(); + child = child->GetNext(); + } + + return cell->GetHeight() - cell->GetDescent(); +} + +void wxHtmlListCell::Layout(int w) +{ + wxHtmlCell::Layout(w); + ComputeMinMaxWidths(); + m_Width = wxMax(m_Width, wxMin(w, GetMaxTotalWidth())); + int s_width = m_Width - m_IndentLeft; + + int vpos = 0; + for (int r = 0; r < m_NumRows; r++) + { + // do layout first time to layout contents and adjust pos + m_RowInfo[r].mark->Layout(m_ListmarkWidth); + m_RowInfo[r].cont->Layout(s_width - m_ListmarkWidth); + + const int base_mark = ComputeMaxBase( m_RowInfo[r].mark ); + const int base_cont = ComputeMaxBase( m_RowInfo[r].cont ); + const int adjust_mark = vpos + wxMax(base_cont-base_mark,0); + const int adjust_cont = vpos + wxMax(base_mark-base_cont,0); + + m_RowInfo[r].mark->SetPos(m_IndentLeft, adjust_mark); + m_RowInfo[r].cont->SetPos(m_IndentLeft + m_ListmarkWidth, adjust_cont); + + vpos = wxMax(adjust_mark + m_RowInfo[r].mark->GetHeight(), + adjust_cont + m_RowInfo[r].cont->GetHeight()); + } + m_Height = vpos; +} + +void wxHtmlListCell::AddRow(wxHtmlContainerCell *mark, wxHtmlContainerCell *cont) +{ + ReallocRows(++m_NumRows); + m_RowInfo[m_NumRows - 1].mark = mark; + m_RowInfo[m_NumRows - 1].cont = cont; +} + +void wxHtmlListCell::ReallocRows(int rows) +{ + m_RowInfo = (wxHtmlListItemStruct*) realloc(m_RowInfo, sizeof(wxHtmlListItemStruct) * rows); + m_RowInfo[rows - 1].mark = NULL; + m_RowInfo[rows - 1].cont = NULL; + m_RowInfo[rows - 1].minWidth = 0; + m_RowInfo[rows - 1].maxWidth = 0; + + m_NumRows = rows; +} + +void wxHtmlListCell::ComputeMinMaxWidths() +{ + if (m_NumRows == 0) return; + + m_MaxTotalWidth = 0; + m_Width = 0; + + for (int r = 0; r < m_NumRows; r++) + { + wxHtmlListItemStruct& row = m_RowInfo[r]; + row.mark->Layout(1); + row.cont->Layout(1); + int maxWidth = row.cont->GetMaxTotalWidth(); + int width = row.cont->GetWidth(); + if (row.mark->GetWidth() > m_ListmarkWidth) + m_ListmarkWidth = row.mark->GetWidth(); + if (maxWidth > m_MaxTotalWidth) + m_MaxTotalWidth = maxWidth; + if (width > m_Width) + m_Width = width; + } + m_Width += m_ListmarkWidth + m_IndentLeft; + m_MaxTotalWidth += m_ListmarkWidth + m_IndentLeft; +} + +//----------------------------------------------------------------------------- +// wxHtmlListcontentCell +//----------------------------------------------------------------------------- + +class wxHtmlListcontentCell : public wxHtmlContainerCell +{ +public: + wxHtmlListcontentCell(wxHtmlContainerCell *p) : wxHtmlContainerCell(p) {} + virtual void Layout(int w) { + // Reset top indentation, fixes

  • + SetIndent(0, wxHTML_INDENT_TOP); + wxHtmlContainerCell::Layout(w); + } +}; //----------------------------------------------------------------------------- // The list handler: @@ -73,11 +221,13 @@ void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) TAG_HANDLER_BEGIN(OLULLI, "OL,UL,LI") TAG_HANDLER_VARS + wxHtmlListCell *m_List; int m_Numbering; // this is number of actual item of list or 0 for dots TAG_HANDLER_CONSTR(OLULLI) { + m_List = NULL; m_Numbering = 0; } @@ -86,64 +236,63 @@ TAG_HANDLER_BEGIN(OLULLI, "OL,UL,LI") wxHtmlContainerCell *c; // List Item: - if (tag.GetName() == wxT("LI")) { - if (!tag.IsEnding()) { - m_WParser -> CloseContainer(); - m_WParser -> CloseContainer(); - - c = m_WParser -> OpenContainer(); - c -> SetWidthFloat(2 * m_WParser -> GetCharWidth(), wxHTML_UNITS_PIXELS); - c -> SetAlignHor(wxHTML_ALIGN_RIGHT); - if (m_Numbering == 0) - c -> InsertCell(new wxHtmlListmarkCell(m_WParser -> GetDC(), m_WParser -> GetActualColor())); - else { - wxString mark; - mark.Printf(wxT("%i."), m_Numbering); - c -> InsertCell(new wxHtmlWordCell(mark, *(m_WParser -> GetDC()))); - } - m_WParser -> CloseContainer(); - - c = m_WParser -> OpenContainer(); - c -> SetIndent(m_WParser -> GetCharWidth() / 4, wxHTML_INDENT_LEFT); - c -> SetWidthFloat(-2 * m_WParser -> GetCharWidth(), wxHTML_UNITS_PIXELS); - - m_WParser -> OpenContainer(); - - if (m_Numbering != 0) m_Numbering++; + if (m_List && tag.GetName() == wxT("LI")) + { + c = m_WParser->SetContainer(new wxHtmlContainerCell(m_List)); + c->SetAlignVer(wxHTML_ALIGN_TOP); + + wxHtmlContainerCell *mark = c; + c->SetWidthFloat(2 * m_WParser->GetCharWidth(), wxHTML_UNITS_PIXELS); + if (m_Numbering == 0) + { + // Centering gives more space after the bullet + c->SetAlignHor(wxHTML_ALIGN_CENTER); + c->InsertCell(new wxHtmlListmarkCell(m_WParser->GetDC(), m_WParser->GetActualColor())); + } + else + { + c->SetAlignHor(wxHTML_ALIGN_RIGHT); + wxString markStr; + markStr.Printf(wxT("%i. "), m_Numbering); + c->InsertCell(new wxHtmlWordCell(markStr, *(m_WParser->GetDC()))); } - return FALSE; + m_WParser->CloseContainer(); + + c = m_WParser->OpenContainer(); + + m_List->AddRow(mark, c); + c = m_WParser->OpenContainer(); + m_WParser->SetContainer(new wxHtmlListcontentCell(c)); + + if (m_Numbering != 0) m_Numbering++; } // Begin of List (not-numbered): "UL", "OL" - else { + else if (tag.GetName() == wxT("UL") || tag.GetName() == wxT("OL")) + { int oldnum = m_Numbering; if (tag.GetName() == wxT("UL")) m_Numbering = 0; else m_Numbering = 1; - c = m_WParser -> GetContainer(); - if (c -> GetFirstCell() != NULL) { - m_WParser -> CloseContainer(); - m_WParser -> OpenContainer(); - c = m_WParser -> GetContainer(); - } - c -> SetAlignHor(wxHTML_ALIGN_LEFT); - c -> SetIndent(2 * m_WParser -> GetCharWidth(), wxHTML_INDENT_LEFT); - m_WParser -> OpenContainer() -> SetAlignVer(wxHTML_ALIGN_TOP); + wxHtmlContainerCell *oldcont; + oldcont = c = m_WParser->OpenContainer(); + + wxHtmlListCell *oldList = m_List; + m_List = new wxHtmlListCell(c); + m_List->SetIndent(2 * m_WParser->GetCharWidth(), wxHTML_INDENT_LEFT); - m_WParser -> OpenContainer(); - m_WParser -> OpenContainer(); ParseInner(tag); - m_WParser -> CloseContainer(); - m_WParser -> CloseContainer(); - m_WParser -> CloseContainer(); - m_WParser -> CloseContainer(); - m_WParser -> OpenContainer(); + m_WParser->SetContainer(oldcont); + m_WParser->CloseContainer(); m_Numbering = oldnum; - return TRUE; + m_List = oldList; + return true; } + return false; + } TAG_HANDLER_END(OLULLI)