IMContext.setSurroundingWithSelection
void setSurroundingWithSelection(string text, int cursorIndex, int anchorIndex) nothrowSets surrounding context around the insertion point and preedit string. This function is expected to be called in response to the signalGtk.IMContext::retrieve_surrounding signal, and will likely have no effect if called at other times.
Parameters
text | text surrounding the insertion point, as UTF-8. the preedit string should not be included within text |
cursorIndex | the byte index of the insertion cursor within text |
anchorIndex | the byte index of the selection bound within text |