diff options
Diffstat (limited to 'ppapi/cpp/dev/ime_input_event_dev.h')
-rw-r--r-- | ppapi/cpp/dev/ime_input_event_dev.h | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/ppapi/cpp/dev/ime_input_event_dev.h b/ppapi/cpp/dev/ime_input_event_dev.h index 17216a8..3c9b4a3 100644 --- a/ppapi/cpp/dev/ime_input_event_dev.h +++ b/ppapi/cpp/dev/ime_input_event_dev.h @@ -41,23 +41,17 @@ class IMEInputEvent_Dev : public InputEvent { /// returns 0. uint32_t GetSegmentNumber() const; - /// Returns the position of the index-th segmentation point in the composition - /// text. The position is given by a byte-offset (not a character-offset) of - /// the string returned by GetText(). It always satisfies - /// 0=GetSegmentOffset(0) < ... < GetSegmentOffset(i) < GetSegmentOffset(i+1) - /// < ... < GetSegmentOffset(GetSegmentNumber())=(byte-length of GetText()). - /// Note that [GetSegmentOffset(i), GetSegmentOffset(i+1)) represents the - /// range of the i-th segment, and hence GetSegmentNumber() can be a valid - /// argument to this function instead of an off-by-1 error. - /// - /// @param[in] ime_event A <code>PP_Resource</code> corresponding to an IME - /// event. + /// Returns the start and the end position of the index-th segment in the + /// composition text. The positions are given by byte-indices of the string + /// GetText(). They always satisfy 0 <= .first < .second <= (Length of + /// GetText()) and GetSegmentAt(index).first < GetSegmentAt(index+1).first. + /// When the event is not COMPOSITION_UPDATE or index >= GetSegmentNumber(), + /// returns (0, 0). /// /// @param[in] index An integer indicating a segment. /// - /// @return The byte-offset of the segmentation point. If the event is not - /// COMPOSITION_UPDATE or index is out of range, returns 0. - uint32_t GetSegmentOffset(uint32_t index) const; + /// @return A pair of integers representing the index-th segment. + std::pair<uint32_t, uint32_t> GetSegmentAt(uint32_t index) const; /// Returns the index of the current target segment of composition. /// |