request servicing fix

[lttv.git] / ltt / branches / poly / lttv / modules / gui / lttvwindow / lttvwindow / lttvwindow.c

diff --git a/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/lttvwindow.c b/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/lttvwindow.c
index f7035ea35566f9599b8520ac2465af82205a796f..3b11176e3d86d936881feef15f355bf462a21b3e 100644 (file)
--- a/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/lttvwindow.c
+++ b/ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/lttvwindow.c
@@ -464,6 +464,102 @@ void lttvwindow_unregister_traceset_notify(Tab *tab,
   lttv_hooks_remove_data(tmp, hook, hook_data);
 }
 
+/**
+ * Function to register a hook function for a viewer be completely redrawn.
+ * 
+ * @param tab viewer's tab 
+ * @param hook hook function of the viewer.
+ * @param hook_data hook data associated with the hook function.
+ */
+
+void lttvwindow_register_redraw_notify(Tab *tab,
+    LttvHook hook, gpointer hook_data)
+{
+  LttvAttributeValue value;
+  LttvHooks * tmp;
+  g_assert(lttv_iattribute_find_by_path(tab->attributes,
+           "hooks/redraw", LTTV_POINTER, &value));
+  tmp = (LttvHooks*)*(value.v_pointer);
+  if(tmp == NULL){    
+    tmp = lttv_hooks_new();
+    *(value.v_pointer) = tmp;
+  }
+  lttv_hooks_add(tmp, hook, hook_data, LTTV_PRIO_DEFAULT);
+}
+
+
+/**
+ * Function to unregister a hook function for a viewer be completely redrawn.
+ *
+ * @param tab viewer's tab 
+ * @param hook hook function of the viewer.
+ * @param hook_data hook data associated with the hook function.
+ */
+
+void lttvwindow_unregister_redraw_notify(Tab *tab,
+              LttvHook hook, gpointer hook_data)
+{
+  LttvAttributeValue value;
+  LttvHooks * tmp;
+  g_assert(lttv_iattribute_find_by_path(tab->attributes,
+           "hooks/redraw", LTTV_POINTER, &value));
+  tmp = (LttvHooks*)*(value.v_pointer);
+  if(tmp == NULL) return;
+  lttv_hooks_remove_data(tmp, hook, hook_data);
+}
+
+/**
+ * Function to register a hook function for a viewer to re-do the events
+ * requests for the needed interval.
+ *
+ * This action is typically done after a "stop".
+ *
+ * The typical hook will remove all current requests for the viewer
+ * and make requests for missing information.
+ * 
+ * @param tab viewer's tab 
+ * @param hook hook function of the viewer.
+ * @param hook_data hook data associated with the hook function.
+ */
+
+void lttvwindow_register_continue_notify(Tab *tab,
+    LttvHook hook, gpointer hook_data)
+{
+  LttvAttributeValue value;
+  LttvHooks * tmp;
+  g_assert(lttv_iattribute_find_by_path(tab->attributes,
+           "hooks/continue", LTTV_POINTER, &value));
+  tmp = (LttvHooks*)*(value.v_pointer);
+  if(tmp == NULL){    
+    tmp = lttv_hooks_new();
+    *(value.v_pointer) = tmp;
+  }
+  lttv_hooks_add(tmp, hook, hook_data, LTTV_PRIO_DEFAULT);
+}
+
+
+/**
+ * Function to unregister a hook function for a viewer to re-do the events
+ * requests for the needed interval.
+ *
+ * @param tab viewer's tab 
+ * @param hook hook function of the viewer.
+ * @param hook_data hook data associated with the hook function.
+ */
+
+void lttvwindow_unregister_continue_notify(Tab *tab,
+              LttvHook hook, gpointer hook_data)
+{
+  LttvAttributeValue value;
+  LttvHooks * tmp;
+  g_assert(lttv_iattribute_find_by_path(tab->attributes,
+           "hooks/continue", LTTV_POINTER, &value));
+  tmp = (LttvHooks*)*(value.v_pointer);
+  if(tmp == NULL) return;
+  lttv_hooks_remove_data(tmp, hook, hook_data);
+}
+
+
 /**
  * Function to register a hook function for a viewer to set/update its 
  * filter.
@@ -755,8 +851,9 @@ void lttvwindow_events_request(Tab *tab,
   
   if(!tab->events_request_pending)
   {
-    /* Redraw has +20 priority. We want a prio higher than that, so +19 */
-    g_idle_add_full((G_PRIORITY_HIGH_IDLE + 19),
+    /* Redraw has +20 priority. We want to let the redraw be done while we do
+     * our job.  */
+    g_idle_add_full((G_PRIORITY_HIGH_IDLE + 21),
                     (GSourceFunc)execute_events_requests,
                     tab,
                     NULL);
@@ -808,12 +905,12 @@ void lttvwindow_events_request_remove_all(Tab       *tab,
  * shown time interval of the viewer and also be called by the constructor
  * of the viewer.
  * @param tab viewer's tab 
- * @param time_interval a pointer where time interval will be stored.
+ * @return time window.
  */
 
-const TimeWindow *lttvwindow_get_time_window(Tab *tab)
+TimeWindow lttvwindow_get_time_window(Tab *tab)
 {
-  return &(tab->time_window);
+  return tab->time_window;
   
 }
 
@@ -823,12 +920,12 @@ const TimeWindow *lttvwindow_get_time_window(Tab *tab)
  * It will be called by a viewer's hook function to update the 
  * current time/event of the viewer.
  * @param tab viewer's tab 
- * @param time a pointer where time will be stored.
+ * @return time
  */
 
-const LttTime *lttvwindow_get_current_time(Tab *tab)
+LttTime lttvwindow_get_current_time(Tab *tab)
 {
-  return &(tab->current_time);
+  return tab->current_time;
 }