#define abs(a) (((a)<0)?(-a):(a))
#define max(a,b) ((a)>(b)?(a):(b))
+#define min(a,b) ((a)<(b)?(a):(b))
/** Array containing instanced objects. Used when module is unloaded */
static GSList *g_event_viewer_data_list = NULL ;
guint32 last_tree_update_time; /* To filter out repeat keys */
+ guint num_events; /* Number of events processed */
+
} EventViewerData ;
/** hook functions for update time interval, current time ... */
}
#endif //0
-
-
-
-
-
+static gboolean events_check_handler(guint count, gboolean *stop_flag)
+{
+ if(count % CHECK_GDK_INTERVAL == 0) {
+ gtk_main_iteration_do(FALSE);
+ if(*stop_flag)
+ return TRUE;
+ else
+ return FALSE;
+ } else return FALSE;
+}
static void get_events(double new_value, EventViewerData *event_viewer_data)
{
guint i;
gboolean seek_by_time;
+ if(lttvwindow_preempt_count > 0) return;
+
double value = new_value - event_viewer_data->previous_value;
+ /* Set stop button status for foreground processing */
+ event_viewer_data->tab->stop_foreground = FALSE;
+ lttvwindow_events_request_disable();
+
/* See where we have to scroll... */
ScrollDirection direction;
gint relative_position;
*/
if(relative_position > 0) {
guint count;
- count = lttv_process_traceset_seek_n_forward(tsc, relative_position,
- event_viewer_data->main_win_filter);
+ count += lttv_process_traceset_seek_n_forward(tsc, relative_position,
+ event_viewer_data->main_win_filter, events_check_handler,
+ &event_viewer_data->tab->stop_foreground);
} else if(relative_position < 0) {
guint count;
LttTime time_diff = ltt_time_sub(last_event_time, first_event_time);
if(ltt_time_compare(time_diff, ltt_time_zero) == 0)
time_diff = seek_back_default_offset;
- count = lttv_process_traceset_seek_n_backward(tsc, abs(relative_position),
+
+ count = lttv_process_traceset_seek_n_backward(tsc,
+ abs(relative_position),
time_diff,
(seek_time_fct)lttv_state_traceset_seek_time_closest,
- event_viewer_data->main_win_filter);
+ event_viewer_data->main_win_filter,
+ events_check_handler,
+ &event_viewer_data->tab->stop_foreground);
} /* else 0 : do nothing : we are already at the beginning position */
lttv_traceset_context_position_destroy(pos);
/* Mathieu :
* I make the choice not to use the mainwindow lttvwindow API here : the idle
* loop might have a too low priority, and we want good update while
- * scrolling.
+ * scrolling. However, we call the gdk loop to get events periodically so the
+ * processing can be stopped.
*/
lttv_process_traceset_begin(tsc,
NULL, NULL, NULL, event_viewer_data->event_hooks, NULL);
+
+ event_viewer_data->num_events = 0;
lttv_process_traceset_middle(tsc, ltt_time_infinite, G_MAXUINT, NULL);
gdk_x11_get_server_time(
gtk_widget_get_parent_window(event_viewer_data->tree_v));
+ lttvwindow_events_request_enable();
+
return;
}
LttvTracefileState *tfs = (LttvTracefileState*)call_data;
LttEvent *e = ltt_tracefile_get_event(tfc->tf);
+ if(event_viewer_data->num_events % CHECK_GDK_INTERVAL == 0) {
+ gtk_main_iteration_do(FALSE);
+ if(event_viewer_data->tab->stop_foreground)
+ return TRUE;
+ }
+ event_viewer_data->num_events++;
+
LttvFilter *filter = event_viewer_data->main_win_filter;
if(filter != NULL && filter->head != NULL)
if(!lttv_filter_tree_parse(filter->head,e,tfc->tf,