diff options
Diffstat (limited to 'grapher/CairoWidget.cxx')
| -rw-r--r-- | grapher/CairoWidget.cxx | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/grapher/CairoWidget.cxx b/grapher/CairoWidget.cxx index 86498a4f..f627dfaa 100644 --- a/grapher/CairoWidget.cxx +++ b/grapher/CairoWidget.cxx @@ -39,4 +39,25 @@ namespace systemtap else return false; } + + void CairoTextBox::draw(Cairo::RefPtr<Cairo::Context> cr) + { + if (!_visible) + return; + cr->save(); + Cairo::TextExtents extents; + cr->get_text_extents(contents, extents); + double width = extents.width, height = extents.height; + cr->move_to(_x0 - 2, _y0 - 2); + cr->line_to(_x0 + width + 2, _y0 - 2); + cr->line_to(_x0 + width + 2, _y0 + height + 2); + cr->line_to(_x0 - 2, _y0 + height + 2); + cr->close_path(); + cr->set_source_rgba(1.0, 1.0, 1.0, .8); + cr->fill(); + cr->set_source_rgba(0.0, 0.0, 0.0, 1.0); + cr->move_to(_x0, _y0 + height); + cr->show_text(contents); + cr->restore(); + } } |