X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0cb9cfb22f6c0a67b0ee6dc7c29ab63397a4a8af..bcbd69875f4e9149eb22d922f94d99e307fdd280:/src/html/htmlcell.cpp diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp index cb0ce6904c..3bd6c6c2c3 100644 --- a/src/html/htmlcell.cpp +++ b/src/html/htmlcell.cpp @@ -7,8 +7,8 @@ // Licence: wxWindows Licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) +#pragma implementation "htmlcell.h" #endif #include "wx/wxprec.h" @@ -17,7 +17,7 @@ #if wxUSE_HTML && wxUSE_STREAMS -#ifdef __BORDLANDC__ +#ifdef __BORLANDC__ #pragma hdrstop #endif @@ -29,13 +29,66 @@ #include "wx/html/htmlcell.h" #include "wx/html/htmlwin.h" +#include "wx/settings.h" +#include "wx/module.h" +#include "wx/dynarray.h" + #include +//----------------------------------------------------------------------------- +// Global variables +//----------------------------------------------------------------------------- + +static wxCursor *gs_cursorLink = NULL; +static wxCursor *gs_cursorText = NULL; + + +//----------------------------------------------------------------------------- +// 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 //----------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject) + wxHtmlCell::wxHtmlCell() : wxObject() { m_Next = NULL; @@ -67,8 +120,20 @@ void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y, } +wxCursor wxHtmlCell::GetCursor() const +{ + if ( GetLink() ) + { + if ( !gs_cursorLink ) + gs_cursorLink = new wxCursor(wxCURSOR_HAND); + return *gs_cursorLink; + } + else + return *wxSTANDARD_CURSOR; +} -bool wxHtmlCell::AdjustPagebreak(int *pagebreak) const + +bool wxHtmlCell::AdjustPagebreak(int *pagebreak, int* WXUNUSED(known_pagebreaks), int WXUNUSED(number_of_pages)) const { if ((!m_CanLiveOnPagebreak) && m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak) @@ -91,7 +156,6 @@ void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link) } - void wxHtmlCell::Layout(int WXUNUSED(w)) { SetPos(0, 0); @@ -99,52 +163,373 @@ void wxHtmlCell::Layout(int WXUNUSED(w)) -void wxHtmlCell::GetHorizontalConstraints(int *left, int *right) const +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 (left) - *left = m_PosX; - if (right) - *right = m_PosX + m_Width; + 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() const +{ + wxPoint p(m_PosX, m_PosY); + for (wxHtmlCell *parent = m_Parent; parent; parent = parent->m_Parent) + { + p.x += parent->m_PosX; + p.y += parent->m_PosY; + } + return p; +} -const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const +unsigned wxHtmlCell::GetDepth() const { - return NULL; + 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 //----------------------------------------------------------------------------- +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) +// where s2 and s3 start: +void wxHtmlWordCell::Split(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, -1) : selTo - GetAbsPos(); + + wxCoord charW, charH; + 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: + while ( pt1.x > 0 && i < len ) + { + dc.GetTextExtent(m_Word[i], &charW, &charH); + pt1.x -= charW; + if ( pt1.x >= 0 ) + { + pos1 += charW; + i++; + } + } + + // in selection: + unsigned j = i; + 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++; + } + } + + pos1 = i; + pos2 = j; } +void wxHtmlWordCell::SetSelectionPrivPos(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()); + + 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) +{ + 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,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); + } -void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2)) + // 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 { - dc.DrawText(m_Word, x + m_PosX, y + m_PosY); + 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::GetCursor() const +{ + if ( !GetLink() ) + { + if ( !gs_cursorText ) + gs_cursorText = new wxCursor(wxCURSOR_IBEAM); + return *gs_cursorText; + } + else + return wxHtmlCell::GetCursor(); +} //----------------------------------------------------------------------------- // 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; @@ -207,20 +592,20 @@ int wxHtmlContainerCell::GetIndentUnits(int ind) const -bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak) const +bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak, int* known_pagebreaks, int number_of_pages) const { if (!m_CanLiveOnPagebreak) - return wxHtmlCell::AdjustPagebreak(pagebreak); + return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks, number_of_pages); else { - wxHtmlCell *c = GetFirstCell(); + wxHtmlCell *c = GetFirstChild(); bool rt = FALSE; int pbrk = *pagebreak - m_PosY; while (c) { - if (c->AdjustPagebreak(&pbrk)) + if (c->AdjustPagebreak(&pbrk, known_pagebreaks, number_of_pages)) rt = TRUE; c = c->GetNext(); } @@ -247,18 +632,21 @@ void wxHtmlContainerCell::Layout(int w) 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) + // this does two things: it recursively calls this code on all + // child contrainers and resets children's position to (0,0) return; } 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; /* @@ -310,13 +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; @@ -358,7 +774,6 @@ void wxHtmlContainerCell::Layout(int w) ypos + line->GetPosY()); line = line->GetNext(); } - xcnt++; } ypos += ysizedown; @@ -387,22 +802,51 @@ 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; 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) { +#if 0 // useful for debugging + dc.SetPen(*wxRED_PEN); + dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height); +#endif // container visible, draw it: - if ((y + m_PosY < view_y2) && (y + m_PosY + m_Height > view_y1)) + if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1)) { - if (m_UseBkColour) { wxBrush myb = wxBrush(m_BkColour, wxSOLID); @@ -422,56 +866,67 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) 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.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width, 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); + dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width, y + m_PosY + m_Height - 1); } if (m_Cells) { + // draw container's contents: for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) - cell->Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2); + { + UpdateRenderingStatePre(info, cell); + cell->Draw(dc, + x + m_PosX, y + m_PosY, view_y1, view_y2, + info); + UpdateRenderingStatePost(info, cell); + } } } // container invisible, just proceed font+color changing: else { - if (m_Cells) - { - for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) - cell->DrawInvisible(dc, x + m_PosX, y + m_PosY); - } + DrawInvisible(dc, x, y, 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()) - cell->DrawInvisible(dc, x + m_PosX, y + m_PosY); + { + 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 *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; } @@ -538,11 +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; } } @@ -550,95 +1003,253 @@ const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) co } - -void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event) +wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y, + unsigned flags) const { - if (m_Cells) + if ( flags & wxHTML_FIND_EXACT ) { - wxHtmlCell *c = m_Cells; - while (c) + for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) { - if ( (c->GetPosX() <= x) && - (c->GetPosY() <= y) && - (c->GetPosX() + c->GetWidth() > x) && - (c->GetPosY() + c->GetHeight() > y)) + int cx = cell->GetPosX(), + cy = cell->GetPosY(); + + if ( (cx <= x) && (cx + cell->GetWidth() > x) && + (cy <= y) && (cy + cell->GetHeight() > y) ) { - c->OnMouseClick(parent, x - c->GetPosX(), y - c->GetPosY(), event); - break; + return cell->FindCellByPos(x - cx, y - cy, flags); } - c = c->GetNext(); } } + 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; } +void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event) +{ + wxHtmlCell *cell = FindCellByPos(x, y); + if ( cell ) + cell->OnMouseClick(parent, x, y, event); +} + -void wxHtmlContainerCell::GetHorizontalConstraints(int *left, int *right) const + +wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const { - int cleft = m_PosX + m_Width, cright = m_PosX; // worst case - int l, r; + if ( m_Cells ) + { + wxHtmlCell *c2; + for (wxHtmlCell *c = m_Cells; c; c = c->GetNext()) + { + c2 = c->GetFirstTerminal(); + if ( c2 ) + return c2; + } + } + return NULL; +} - for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) +wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const +{ + if ( m_Cells ) { - cell->GetHorizontalConstraints(&l, &r); - if (l < cleft) - cleft = l; - if (r > cright) - cright = r; + // 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; +} - 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; +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 -//-------------------------------------------------------------------------------- +// -------------------------------------------------------------------------- -void wxHtmlColourCell::Draw(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2)) +IMPLEMENT_ABSTRACT_CLASS(wxHtmlColourCell, wxHtmlCell) + +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); - } + DrawInvisible(dc, x, y, info); } -void wxHtmlColourCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(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); + { + 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) { - dc.SetBackground(wxBrush(m_Colour, wxSOLID)); - dc.SetTextBackground(m_Colour); + 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)); + } } } -//-------------------------------------------------------------------------------- +// --------------------------------------------------------------------------- // 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)) +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)) +void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), + wxHtmlRenderingInfo& WXUNUSED(info)) { dc.SetFont(m_Font); } @@ -650,9 +1261,11 @@ void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y)) -//-------------------------------------------------------------------------------- +// --------------------------------------------------------------------------- // wxHtmlWidgetCell -//-------------------------------------------------------------------------------- +// --------------------------------------------------------------------------- + +IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell) wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w) { @@ -664,7 +1277,10 @@ wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w) } -void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(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; @@ -682,7 +1298,9 @@ void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y) -void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(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; @@ -711,4 +1329,69 @@ void wxHtmlWidgetCell::Layout(int w) 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; +} + + + + + + + +//----------------------------------------------------------------------------- +// Cleanup +//----------------------------------------------------------------------------- + +class wxHtmlCellModule: public wxModule +{ +DECLARE_DYNAMIC_CLASS(wxHtmlCellModule) +public: + wxHtmlCellModule() : wxModule() {} + bool OnInit() { return true; } + void OnExit() + { + wxDELETE(gs_cursorLink); + wxDELETE(gs_cursorText); + } +}; + +IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellModule, wxModule) + #endif