X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f30e67dbea3b6476ce25b593285fdaec128f8fd1..f162a338013ec8be1f2fe29a0111a07cdcb0c5e9:/src/html/htmlcell.cpp diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp index bb16393f36..665db26ff2 100644 --- a/src/html/htmlcell.cpp +++ b/src/html/htmlcell.cpp @@ -30,14 +30,24 @@ #include "wx/html/htmlcell.h" #include "wx/html/htmlwin.h" #include "wx/settings.h" +#include "wx/module.h" + #include +//----------------------------------------------------------------------------- +// Global variables +//----------------------------------------------------------------------------- + +static wxCursor *gs_cursorLink = NULL; +static wxCursor *gs_cursorText = NULL; + + //----------------------------------------------------------------------------- // Helper classes //----------------------------------------------------------------------------- -void wxHtmlSelection::Set(const wxPoint& fromPos, wxHtmlCell *fromCell, - const wxPoint& toPos, wxHtmlCell *toCell) +void wxHtmlSelection::Set(const wxPoint& fromPos, const wxHtmlCell *fromCell, + const wxPoint& toPos, const wxHtmlCell *toCell) { m_fromCell = fromCell; m_toCell = toCell; @@ -45,7 +55,7 @@ void wxHtmlSelection::Set(const wxPoint& fromPos, wxHtmlCell *fromCell, m_toPos = toPos; } -void wxHtmlSelection::Set(wxHtmlCell *fromCell, wxHtmlCell *toCell) +void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell) { wxPoint p1 = fromCell ? fromCell->GetAbsPos() : wxDefaultPosition; wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition; @@ -58,7 +68,7 @@ void wxHtmlSelection::Set(wxHtmlCell *fromCell, wxHtmlCell *toCell) } wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextColour( - const wxColour& WXUNUSED(clr)) + const wxColour& clr) { return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); } @@ -105,6 +115,18 @@ 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, int* WXUNUSED(known_pagebreaks), int WXUNUSED(number_of_pages)) const { @@ -129,7 +151,6 @@ void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link) } - void wxHtmlCell::Layout(int WXUNUSED(w)) { SetPos(0, 0); @@ -184,7 +205,7 @@ wxPoint wxHtmlCell::GetAbsPos() const } return p; } - + unsigned wxHtmlCell::GetDepth() const { unsigned d = 0; @@ -192,7 +213,7 @@ unsigned wxHtmlCell::GetDepth() const d++; return d; } - + bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const { const wxHtmlCell *c1 = this; @@ -219,7 +240,7 @@ bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const if ( c1 == c2 ) return true; c1 = c1->GetNext(); - } + } return false; } else @@ -249,7 +270,7 @@ wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell() // 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, +void wxHtmlWordCell::Split(wxDC& dc, const wxPoint& selFrom, const wxPoint& selTo, unsigned& pos1, unsigned& pos2) const { @@ -297,19 +318,19 @@ void wxHtmlWordCell::Split(wxDC& dc, void wxHtmlWordCell::SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const { unsigned p1, p2; - - Split(dc, + + 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() ) @@ -322,7 +343,7 @@ static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info, { wxColour fg = info.GetState().GetFgColour(); wxColour bg = info.GetState().GetBgColour(); - + if ( toSelection ) { dc.SetBackgroundMode(wxSOLID); @@ -353,9 +374,22 @@ void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, wxString txt; int w, h; int ofs = 0; - - wxPoint priv = (this == s->GetFromCell()) ? + + 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; @@ -366,13 +400,13 @@ void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, 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 ( part2 < m_Word.length() ) + if ( (size_t)part2 < m_Word.length() ) { dc.GetTextExtent(txt, &w, &h); ofs += w; @@ -398,22 +432,45 @@ void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, dc.DrawText(m_Word, x + m_PosX, y + m_PosY); } } - + wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const { if ( s && (this == s->GetFromCell() || this == s->GetToCell()) ) { - wxPoint priv = (this == s->GetFromCell()) ? - s->GetFromPrivPos() : s->GetToPrivPos(); - int part1 = priv.x; - int part2 = priv.y; - return m_Word.Mid(part1, part2-part1); + 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 } - else - return m_Word; + + 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(); +} //----------------------------------------------------------------------------- @@ -898,7 +955,7 @@ wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y, wxHtmlCell *c2, *c = NULL; for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) { - if (cell->GetPosY() > y || + if (cell->GetPosY() > y || (cell->GetPosY() == y && cell->GetPosX() > x)) break; c2 = cell->FindCellByPos(x - cell->GetPosX(), y - cell->GetPosY(), @@ -945,7 +1002,7 @@ void wxHtmlContainerCell::GetHorizontalConstraints(int *left, int *right) const *right = cright; } - + wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const { if ( m_Cells ) @@ -1003,13 +1060,19 @@ void wxHtmlColourCell::DrawInvisible(wxDC& dc, { state.SetFgColour(m_Colour); if (state.GetSelectionState() != wxHTML_SEL_IN) - dc.SetTextForeground(m_Colour); + 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); + else + dc.SetTextBackground( + info.GetStyle().GetSelectedTextBgColour(m_Colour)); dc.SetBackground(wxBrush(m_Colour, wxSOLID)); } } @@ -1144,8 +1207,33 @@ const wxHtmlCell* wxHtmlTerminalCellsInterator::operator++() 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