-void wxImplDC::DrawLabel(const wxString& text,
- const wxBitmap& bitmap,
- const wxRect& rect,
- int alignment,
- int indexAccel,
- wxRect *rectBounding)
-{
- // find the text position
- wxCoord widthText, heightText, heightLine;
- GetMultiLineTextExtent(text, &widthText, &heightText, &heightLine);
-
- wxCoord width, height;
- if ( bitmap.Ok() )
- {
- width = widthText + bitmap.GetWidth();
- height = bitmap.GetHeight();
- }
- else // no bitmap
- {
- width = widthText;
- height = heightText;
- }
-
- wxCoord x, y;
- if ( alignment & wxALIGN_RIGHT )
- {
- x = rect.GetRight() - width;
- }
- else if ( alignment & wxALIGN_CENTRE_HORIZONTAL )
- {
- x = (rect.GetLeft() + rect.GetRight() + 1 - width) / 2;
- }
- else // alignment & wxALIGN_LEFT
- {
- x = rect.GetLeft();
- }
-
- if ( alignment & wxALIGN_BOTTOM )
- {
- y = rect.GetBottom() - height;
- }
- else if ( alignment & wxALIGN_CENTRE_VERTICAL )
- {
- y = (rect.GetTop() + rect.GetBottom() + 1 - height) / 2;
- }
- else // alignment & wxALIGN_TOP
- {
- y = rect.GetTop();
- }
-
- // draw the bitmap first
- wxCoord x0 = x,
- y0 = y,
- width0 = width;
- if ( bitmap.Ok() )
- {
- DoDrawBitmap(bitmap, x, y, true /* use mask */);
-
- wxCoord offset = bitmap.GetWidth() + 4;
- x += offset;
- width -= offset;
-
- y += (height - heightText) / 2;
- }
-
- // we will draw the underscore under the accel char later
- wxCoord startUnderscore = 0,
- endUnderscore = 0,
- yUnderscore = 0;
-
- // split the string into lines and draw each of them separately
- wxString curLine;
- for ( wxString::const_iterator pc = text.begin(); ; ++pc )
- {
- if ( *pc == _T('\n') || pc == text.end() )
- {
- int xRealStart = x; // init it here to avoid compielr warnings
-
- if ( !curLine.empty() )
- {
- // NB: can't test for !(alignment & wxALIGN_LEFT) because
- // wxALIGN_LEFT is 0
- if ( alignment & (wxALIGN_RIGHT | wxALIGN_CENTRE_HORIZONTAL) )
- {
- wxCoord widthLine;
- m_owner->GetTextExtent(curLine, &widthLine, NULL);
-
- if ( alignment & wxALIGN_RIGHT )
- {
- xRealStart += width - widthLine;
- }
- else // if ( alignment & wxALIGN_CENTRE_HORIZONTAL )
- {
- xRealStart += (width - widthLine) / 2;
- }
- }
- //else: left aligned, nothing to do
-
- DoDrawText(curLine, xRealStart, y);
- }
-
- y += heightLine;
-
- // do we have underscore in this line? we can check yUnderscore
- // because it is set below to just y + heightLine if we do
- if ( y == yUnderscore )
- {
- // adjust the horz positions to account for the shift
- startUnderscore += xRealStart;
- endUnderscore += xRealStart;
- }
-
- if ( pc == text.end() )
- break;
-
- curLine.clear();
- }
- else // not end of line
- {
- if ( pc - text.begin() == indexAccel )
- {
- // remeber to draw underscore here
- GetTextExtent(curLine, &startUnderscore, NULL);
- curLine += *pc;
- GetTextExtent(curLine, &endUnderscore, NULL);
-
- yUnderscore = y + heightLine;
- }
- else
- {
- curLine += *pc;
- }
- }
- }
-
- // draw the underscore if found
- if ( startUnderscore != endUnderscore )
- {
- // it should be of the same colour as text
- SetPen(wxPen(GetTextForeground(), 0, wxSOLID));
-
- yUnderscore--;
-
- DoDrawLine(startUnderscore, yUnderscore, endUnderscore, yUnderscore);
- }
-
- // return bounding rect if requested
- if ( rectBounding )
- {
- *rectBounding = wxRect(x, y - heightText, widthText, heightText);
- }
-
- CalcBoundingBox(x0, y0);
- CalcBoundingBox(x0 + width0, y0 + height);
-}
-