/////////////////////////////////////////////////////////////////////////////
-// Name: htmlcell.cpp
+// Name: src/html/htmlcell.cpp
// Purpose: wxHtmlCell - basic element of HTML output
// Author: Vaclav Slavik
// RCS-ID: $Id$
#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 <stdlib.h>
}
-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)
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;
}
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;
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++;
#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++;
pos1 = i;
pos2 = j;
+
+ wxASSERT( pos2 >= pos1 );
}
void wxHtmlWordCell::SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const
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));
}
}
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);
}
}
}
+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
{
// 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
//-----------------------------------------------------------------------------
}
-
-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
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() )
{
// 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() )
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,
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);
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);
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);
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));
}
}
}
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);
}
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