return ret;
}
-#define wxELLIPSE_REPLACEMENT wxT("...")
-
-/* static */
-wxString wxStaticTextBase::Ellipsize(const wxString& label, const wxDC& dc,
- wxEllipsizeMode mode, int maxFinalWidth)
-{
- wxArrayInt charOffsets;
- wxString ret;
-
- // these cannot be cached as they can change because of e.g. a font change
- int replacementWidth = dc.GetTextExtent(wxELLIPSE_REPLACEMENT).GetWidth();
- int marginWidth = dc.GetCharWidth()*2;
-
- // NB: we must handle correctly labels with newlines:
- wxString curLine;
- wxSize reqsize;
- size_t len;
- for ( wxString::const_iterator pc = label.begin(); ; ++pc )
- {
- if ( pc == label.end() || *pc == _T('\n') )
- {
- len = curLine.length();
- if (len > 0 &&
- dc.GetPartialTextExtents(curLine, charOffsets))
- {
- wxASSERT(charOffsets.GetCount() == len);
-
- size_t totalWidth = charOffsets.Last();
- if ( totalWidth > (size_t)maxFinalWidth )
- {
- // we need to ellipsize this row
- int excessPixels = totalWidth - maxFinalWidth +
- replacementWidth +
- marginWidth; // security margin (NEEDED!)
-
- // remove characters in excess
- size_t initialChar, // index of first char to erase
- nChars; // how many chars do we need to erase?
- if (mode == wxST_ELLIPSIZE_START)
- {
- initialChar = 0;
- for (nChars=0;
- nChars < len && charOffsets[nChars] < excessPixels;
- nChars++)
- ;
- }
- else if (mode == wxST_ELLIPSIZE_MIDDLE)
- {
- // the start & end of the removed span of chars
- initialChar = len/2;
- size_t endChar = len/2;
-
- int removed = 0;
- for ( ; removed < excessPixels; )
- {
- if (initialChar > 0)
- {
- // width of the initialChar-th character
- int width = charOffsets[initialChar] -
- charOffsets[initialChar-1];
-
- // remove the initialChar-th character
- removed += width;
- initialChar--;
- }
-
- if (endChar < len - 1 &&
- removed < excessPixels)
- {
- // width of the (endChar+1)-th character
- int width = charOffsets[endChar+1] -
- charOffsets[endChar];
-
- // remove the endChar-th character
- removed += width;
- endChar++;
- }
-
- if (initialChar == 0 && endChar == len-1)
- {
- nChars = len+1;
- break;
- }
- }
-
- initialChar++;
- nChars = endChar - initialChar + 1;
- }
- else
- {
- wxASSERT(mode == wxST_ELLIPSIZE_END);
- wxASSERT(len > 0);
-
- int maxWidth = totalWidth - excessPixels;
- for (initialChar=0;
- initialChar < len &&
- charOffsets[initialChar] < maxWidth;
- initialChar++)
- ;
-
- if (initialChar == 0)
- {
- nChars = len;
- }
- else
- {
- initialChar--; // go back one character
- nChars = len - initialChar;
- }
- }
-
- if (nChars > len)
- {
- // need to remove the entire row!
- curLine.clear();
- }
- else
- {
- // erase nChars characters after initialChar (included):
- curLine.erase(initialChar, nChars+1);
-
- // if there is space for the replacement dots, add them
- if (maxFinalWidth > replacementWidth)
- curLine.insert(initialChar, wxELLIPSE_REPLACEMENT);
- }
-
- // if everything was ok, we should have shortened this line
- // enough to make it fit in sz.maxFinalWidth:
- wxASSERT(dc.GetTextExtent(curLine).GetWidth() < maxFinalWidth);
- }
- }
-
- // add this (ellipsized) row to the rest of the label
- ret << curLine;
- if ( pc == label.end() )
- {
- return ret;
- }
- else
- {
- ret << *pc;
- curLine.clear();
- }
- }
- // we need to remove mnemonics from the label for correct calculations
- else if ( *pc == _T('&') )
- {
- // pc+1 is safe: at worst we'll be at end()
- wxString::const_iterator next = pc + 1;
- if ( next != label.end() && *next == _T('&') )
- curLine += _T('&'); // && becomes &
- //else: remove this ampersand
- }
- // we need also to expand tabs to properly calc their size
- else if ( *pc == _T('\t') )
- {
- // Windows natively expands the TABs to 6 spaces. Do the same:
- curLine += wxT(" ");
- }
- else
- {
- curLine += *pc;
- }
- }
-
- return ret;
-}
-
-
// ----------------------------------------------------------------------------
// wxStaticTextBase - generic implementation for wxST_ELLIPSIZE_* support
dc.SetFont(GetFont());
wxEllipsizeMode mode;
- if (HasFlag(wxST_ELLIPSIZE_START)) mode = wxST_ELLIPSIZE_START;
- else if (HasFlag(wxST_ELLIPSIZE_MIDDLE)) mode = wxST_ELLIPSIZE_MIDDLE;
- else if (HasFlag(wxST_ELLIPSIZE_END)) mode = wxST_ELLIPSIZE_END;
+ if ( HasFlag(wxST_ELLIPSIZE_START) )
+ mode = wxELLIPSIZE_START;
+ else if ( HasFlag(wxST_ELLIPSIZE_MIDDLE) )
+ mode = wxELLIPSIZE_MIDDLE;
+ else if ( HasFlag(wxST_ELLIPSIZE_END) )
+ mode = wxELLIPSIZE_END;
+ else
+ {
+ wxFAIL_MSG( "should only be called if have one of wxST_ELLIPSIZE_XXX" );
+
+ return label;
+ }
- return Ellipsize(label, dc, mode, sz.GetWidth());
+ return wxControl::Ellipsize(label, dc, mode, sz.GetWidth());
}
#endif // wxUSE_STATTEXT
projects / wxWidgets.git / blobdiff