X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/88a1b6485f3f2d300012cde053c572f21f1f8bd3..3201a1046ba71ba8e5ef2ed694fde34d12f743f3:/src/html/htmlcell.cpp?ds=sidebyside diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp index d56483bf6e..01d92107bd 100644 --- a/src/html/htmlcell.cpp +++ b/src/html/htmlcell.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: htmlcell.cpp +// Name: src/html/htmlcell.cpp // Purpose: wxHtmlCell - basic element of HTML output // Author: Vaclav Slavik // RCS-ID: $Id$ @@ -9,25 +9,24 @@ #include "wx/wxprec.h" -#include "wx/defs.h" - -#if wxUSE_HTML && wxUSE_STREAMS - #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WXPRECOMP +#if wxUSE_HTML && wxUSE_STREAMS + +#ifndef WX_PRECOMP + #include "wx/dynarray.h" #include "wx/brush.h" #include "wx/colour.h" #include "wx/dc.h" + #include "wx/settings.h" + #include "wx/module.h" + #include "wx/wxcrtvararg.h" #endif #include "wx/html/htmlcell.h" #include "wx/html/htmlwin.h" -#include "wx/settings.h" -#include "wx/module.h" -#include "wx/dynarray.h" #include @@ -221,7 +220,8 @@ wxCursor wxHtmlCell::GetMouseCursor(wxHtmlWindowInterface *window) const } -bool wxHtmlCell::AdjustPagebreak(int *pagebreak, int* WXUNUSED(known_pagebreaks), int WXUNUSED(number_of_pages)) const +bool wxHtmlCell::AdjustPagebreak(int *pagebreak, + wxArrayInt& WXUNUSED(known_pagebreaks)) const { if ((!m_CanLiveOnPagebreak) && m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak) @@ -356,7 +356,11 @@ IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell) wxHtmlWordCell::wxHtmlWordCell(const wxString& word, const wxDC& dc) : wxHtmlCell() { m_Word = word; - dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent); + wxCoord w, h, d; + dc.GetTextExtent(m_Word, &w, &h, &d); + m_Width = w; + m_Height = h; + m_Descent = d; SetCanLiveOnPagebreak(false); m_allowLinebreak = true; } @@ -382,6 +386,16 @@ void wxHtmlWordCell::Split(const wxDC& dc, wxPoint pt2 = (selTo == wxDefaultPosition) ? wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos(); + // if the selection is entirely within this cell, make sure pt1 < pt2 in + // order to make the rest of this function simpler: + if ( selFrom != wxDefaultPosition && selTo != wxDefaultPosition && + selFrom.x > selTo.x ) + { + wxPoint tmp = pt1; + pt1 = pt2; + pt2 = tmp; + } + unsigned len = m_Word.length(); unsigned i = 0; pos1 = 0; @@ -394,19 +408,26 @@ void wxHtmlWordCell::Split(const wxDC& dc, pt2.x = m_Width; // before selection: + // (include character under caret only if in first half of width) #ifdef __WXMAC__ // implementation using PartialExtents to support fractional widths wxArrayInt widths ; dc.GetPartialTextExtents(m_Word,widths) ; while( i < len && pt1.x >= widths[i] ) i++ ; -#else // __WXMAC__ + if ( i < len ) + { + int charW = (i > 0) ? widths[i] - widths[i-1] : widths[i]; + if ( widths[i] - pt1.x < charW/2 ) + i++; + } +#else // !__WXMAC__ wxCoord charW, charH; while ( pt1.x > 0 && i < len ) { dc.GetTextExtent(m_Word[i], &charW, &charH); pt1.x -= charW; - if ( pt1.x >= 0 ) + if ( pt1.x >= -charW/2 ) { pos1 += charW; i++; @@ -415,18 +436,25 @@ void wxHtmlWordCell::Split(const wxDC& dc, #endif // __WXMAC__/!__WXMAC__ // in selection: + // (include character under caret only if in first half of width) unsigned j = i; #ifdef __WXMAC__ while( j < len && pt2.x >= widths[j] ) j++ ; -#else // __WXMAC__ + if ( j < len ) + { + int charW = (j > 0) ? widths[j] - widths[j-1] : widths[j]; + if ( widths[j] - pt2.x < charW/2 ) + j++; + } +#else // !__WXMAC__ 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 ) + if ( pt2.x >= -charW/2 ) { pos2 += charW; j++; @@ -436,6 +464,8 @@ void wxHtmlWordCell::Split(const wxDC& dc, pos1 = i; pos2 = j; + + wxASSERT( pos2 >= pos1 ); } void wxHtmlWordCell::SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const @@ -469,18 +499,18 @@ static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info, if ( toSelection ) { - dc.SetBackgroundMode(wxSOLID); + dc.SetBackgroundMode(wxBRUSHSTYLE_SOLID); dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg)); dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg)); dc.SetBackground(wxBrush(info.GetStyle().GetSelectedTextBgColour(bg), - wxSOLID)); + wxBRUSHSTYLE_SOLID)); } else { - dc.SetBackgroundMode(wxTRANSPARENT); + dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); dc.SetTextForeground(fg); dc.SetTextBackground(bg); - dc.SetBackground(wxBrush(bg, wxSOLID)); + dc.SetBackground(wxBrush(bg, wxBRUSHSTYLE_SOLID)); } } @@ -551,12 +581,12 @@ void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, wxHtmlSelectionState selstate = info.GetState().GetSelectionState(); // Not changing selection state, draw the word in single mode: if ( selstate != wxHTML_SEL_OUT && - dc.GetBackgroundMode() != wxSOLID ) + dc.GetBackgroundMode() != wxBRUSHSTYLE_SOLID ) { SwitchSelState(dc, info, true); } else if ( selstate == wxHTML_SEL_OUT && - dc.GetBackgroundMode() == wxSOLID ) + dc.GetBackgroundMode() == wxBRUSHSTYLE_SOLID ) { SwitchSelState(dc, info, false); } @@ -589,6 +619,17 @@ void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, } } +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 { @@ -606,29 +647,77 @@ wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const // 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); + 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 m_Word; + return GetAllAsText(); } -wxCursor wxHtmlWordCell::GetMouseCursor(wxHtmlWindowInterface *window) const +wxString wxHtmlWordWithTabsCell::GetAllAsText() const { - if ( !GetLink() ) + 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 ) { - return window->GetHTMLCursor(wxHtmlWindowInterface::HTMLCursor_Text); + if ( *i == '\t' ) + { + pos += 8 - (m_linepos + pos) % SPACES_PER_TAB; + if ( pos >= begin ) + { + sel += '\t'; + } + } + else + { + ++pos; + } } - else + + // copy the content until we reach 'end': + for ( ; pos < end; ++i ) { - return wxHtmlCell::GetMouseCursor(window); + const wxChar c = *i; + sel += c; + + if ( c == '\t' ) + pos += 8 - (m_linepos + pos) % SPACES_PER_TAB; + else + ++pos; } + + return sel; } + //----------------------------------------------------------------------------- // wxHtmlContainerCell //----------------------------------------------------------------------------- @@ -701,37 +790,35 @@ int wxHtmlContainerCell::GetIndentUnits(int ind) const } - -bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak, int* known_pagebreaks, int number_of_pages) const +bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak, + wxArrayInt& known_pagebreaks) const { if (!m_CanLiveOnPagebreak) - return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks, number_of_pages); + return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks); - else - { - wxHtmlCell *c = GetFirstChild(); - bool rt = false; - int pbrk = *pagebreak - m_PosY; + wxHtmlCell *c = GetFirstChild(); + bool rt = false; + int pbrk = *pagebreak - m_PosY; - while (c) - { - if (c->AdjustPagebreak(&pbrk, known_pagebreaks, number_of_pages)) - rt = true; - c = c->GetNext(); - } - if (rt) - *pagebreak = pbrk + m_PosY; - return rt; + 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; + 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 @@ -889,12 +976,12 @@ void wxHtmlContainerCell::Layout(int w) if ( step > 0 ) { // first count the cells which will get extra space - int total = 0; + int total = -1; const wxHtmlCell *c; if ( line != cell ) { - for ( c = line->GetNext(); c != cell; c = c->GetNext() ) + for ( c = line; c != cell; c = c->GetNext() ) { if ( c->IsLinebreakAllowed() ) { @@ -906,11 +993,22 @@ void wxHtmlContainerCell::Layout(int w) // and now extra space to those cells which merit it if ( total ) { - // first cell on line is not moved: - line->SetPos(line->GetPosX() + s_indent, - line->GetPosY() + ypos); + // 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(); + } - line = line->GetNext(); for ( int n = 0; line != cell; line = line->GetNext() ) { if ( line->IsLinebreakAllowed() ) @@ -976,8 +1074,6 @@ void wxHtmlContainerCell::Layout(int w) 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, @@ -1018,7 +1114,7 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, if (m_UseBkColour) { - wxBrush myb = wxBrush(m_BkColour, wxSOLID); + wxBrush myb = wxBrush(m_BkColour, wxBRUSHSTYLE_SOLID); int real_y1 = mMax(ylocal, view_y1); int real_y2 = mMin(ylocal + m_Height - 1, view_y2); @@ -1030,8 +1126,8 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, if (m_UseBorder) { - wxPen mypen1(m_BorderColour1, 1, wxSOLID); - wxPen mypen2(m_BorderColour2, 1, wxSOLID); + 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); @@ -1149,7 +1245,7 @@ void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale int wdi; wxString wd = tag.GetParam(wxT("WIDTH")); - if (wd[wd.Length()-1] == wxT('%')) + if (wd[wd.length()-1] == wxT('%')) { wxSscanf(wd.c_str(), wxT("%i%%"), &wdi); SetWidthFloat(wdi, wxHTML_UNITS_PERCENT); @@ -1418,13 +1514,13 @@ void wxHtmlColourCell::DrawInvisible(wxDC& dc, if (state.GetSelectionState() != wxHTML_SEL_IN) { dc.SetTextBackground(m_Colour); - dc.SetBackground(wxBrush(m_Colour, wxSOLID)); + dc.SetBackground(wxBrush(m_Colour, wxBRUSHSTYLE_SOLID)); } else { wxColour c = info.GetStyle().GetSelectedTextBgColour(m_Colour); dc.SetTextBackground(c); - dc.SetBackground(wxBrush(c, wxSOLID)); + dc.SetBackground(wxBrush(c, wxBRUSHSTYLE_SOLID)); } } } @@ -1490,8 +1586,15 @@ void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), 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); + 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); }