- event_viewer_data->current_event_index = event_viewer_data->start_event_index;
- get_events(event_viewer_data, start, end, maxNum, &size);
- event_viewer_data->start_event_index = event_viewer_data->current_event_index;
-
- if(size < minNum && (start.tv_sec !=0 || start.tv_nsec !=0))
- need_backward_again = TRUE;
- else need_backward_again = FALSE;
- if(size == 0){
- count++;
- }else{
- count = 0;
- }
- }while(need_backward_again);
- }
- if(direction == SCROLL_STEP_UP)
- event_number = event_viewer_data->start_event_index - 1;
- else
- event_number = event_viewer_data->start_event_index - list_height;
- break;
- case SCROLL_STEP_DOWN:
- if(event_viewer_data->end_event_index == event_viewer_data->number_of_events - 1){
- event_viewer_data->append = TRUE;
- first = event_viewer_data->raw_trace_data_queue->head;
- if(!first)break;
- raw_data = (RawTraceData*)g_list_nth_data(first,event_viewer_data->number_of_events - 1);
- start = raw_data->time;
- start.tv_nsec++;
- end.tv_sec = G_MAXULONG;
- end.tv_nsec = G_MAXULONG;
- get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE, &size);
- if(size == 0){
- get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE_SQUARE,&size);
- if(size == 0)
- get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE_CUBE,&size);
- }
- if(size==0) event_number = event_viewer_data->start_event_index;
- else event_number = event_viewer_data->number_of_events - size - list_height + 1;
- }else event_number = event_viewer_data->start_event_index + 1;
- break;
- case SCROLL_PAGE_DOWN:
- i = event_viewer_data->number_of_events - 1 - list_height;
- if((gint)(event_viewer_data->end_event_index) >= i){
- int remain_events = event_viewer_data->number_of_events - 1
- - event_viewer_data->end_event_index;
- event_viewer_data->append = TRUE;
- first = event_viewer_data->raw_trace_data_queue->head;
- if(!first)break;
- raw_data = (RawTraceData*)g_list_nth_data(first,event_viewer_data->number_of_events - 1);
- start = raw_data->time;
- start.tv_nsec++;
- end.tv_sec = G_MAXULONG;
- end.tv_nsec = G_MAXULONG;
- get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE,&size);
- if(size == 0){
- get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE_SQUARE,&size);
- if(size == 0)
- get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE_CUBE,&size);
- }
- remain_events += size;
- if(list_height <= remain_events)
- event_number = event_viewer_data->number_of_events - remain_events - 1;
- else
- event_number = event_viewer_data->number_of_events - 1 - list_height;
- }else event_number = event_viewer_data->start_event_index + list_height - 1;
- break;
- case SCROLL_JUMP:
- event_viewer_data->append = TRUE;
- remove_all_items_from_queue(event_viewer_data->raw_trace_data_queue);
- end.tv_sec = G_MAXULONG;
- end.tv_nsec = G_MAXULONG;
- time = ltt_time_from_double(time_value / NANOSECONDS_PER_SECOND);
- start = ltt_time_add(event_viewer_data->time_span.startTime, time);
- event_viewer_data->previous_value = time_value;
- get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE,&size);
- if(size < list_height && size > 0){
- event_viewer_data->append = FALSE;
- first = event_viewer_data->raw_trace_data_queue->head;
- if(!first)break;
- raw_data = (RawTraceData*)g_list_nth_data(first,0);
- end = raw_data->time;
- end.tv_nsec--;
- ltt_event_position_get(raw_data->ep, &block_num, &event_num, &tf);
-
- if(event_num > list_height - size){
- backward_num = event_num > RESERVE_SMALL_SIZE
- ? event_num - RESERVE_SMALL_SIZE : 1;
- ltt_event_position_set(raw_data->ep, block_num, backward_num);
- ltt_tracefile_seek_position(tf, raw_data->ep);
- ev = ltt_tracefile_read(tf);
- start = ltt_event_time(ev);
- maxNum = RESERVE_SMALL_SIZE_CUBE;
- event_viewer_data->current_event_index = 0;
- get_events(event_viewer_data, start, end, maxNum, &size);
- event_viewer_data->start_event_index = event_viewer_data->current_event_index;