make precision correct when calling conversion between LttTime and double
[lttv.git] / ltt / branches / poly / lttv / modules / gui / lttvwindow / lttvwindow / lttvwindow.c
index 1733c34720fc9ca9ea56b49a6d6f11fac2c3e541..8b1f2b21df24005932b8089d7f0bb2d1e1be1064 100644 (file)
 #include <lttv/state.h>
 #include <lttv/stats.h>
 #include <lttv/tracecontext.h>
-#include <lttvwindow/common.h>
 #include <lttvwindow/mainwindow.h>   
+#include <lttvwindow/mainwindow-private.h>   
 #include <lttvwindow/lttvwindow.h>
 #include <lttvwindow/toolbar.h>
 #include <lttvwindow/menu.h>
 #include <lttvwindow/callbacks.h> // for execute_events_requests
 #include <lttvwindow/support.h>
 
-
 /**
  * Internal function parts
  */
 
 extern GSList * g_main_window_list;
 
-/**
- * Function to set/update traceset for the viewers
- * @param tab viewer's tab 
- * @param traceset traceset of the main window.
- * return value :
- * -1 : error
- *  0 : traceset updated
- *  1 : no traceset hooks to update; not an error.
- */
-
-int SetTraceset(Tab * tab, gpointer traceset)
-{
-  LttvHooks * tmp;
-  LttvAttributeValue value;
-
-  if( lttv_iattribute_find_by_path(tab->attributes,
-     "hooks/updatetraceset", LTTV_POINTER, &value) != 0)
-    return -1;
-
-  tmp = (LttvHooks*)*(value.v_pointer);
-  if(tmp == NULL) return 1;
-  
-
-  lttv_hooks_call(tmp,traceset);
-  
-  return 0;
-}
-
-
-/**
- * Function to set/update filter for the viewers
- * @param tab viewer's tab 
- * @param filter filter of the main window.
- * return value :
- * -1 : error
- *  0 : filters updated
- *  1 : no filter hooks to update; not an error.
- */
-
-int SetFilter(Tab * tab, gpointer filter)
-{
-  LttvHooks * tmp;
-  LttvAttributeValue value;
-
-  if(lttv_iattribute_find_by_path(tab->attributes,
-     "hooks/updatefilter", LTTV_POINTER, &value) != 0)
-    return -1;
-
-  tmp = (LttvHooks*)*(value.v_pointer);
-
-  if(tmp == NULL) return 1;
-  lttv_hooks_call(tmp,filter);
-
-  return 0;
-}
-
-/**
- * Function to redraw each viewer belonging to the current tab 
- * @param tab viewer's tab 
+/* set_time_window 
+ *
+ * It updates the time window of the tab, then calls the updatetimewindow
+ * hooks of each viewer.
+ *
+ * This is called whenever the scrollbar value changes.
  */
 
-void update_traceset(Tab *tab)
-{
-  LttvAttributeValue value;
-  LttvHooks * tmp;
-  g_assert(lttv_iattribute_find_by_path(tab->attributes,
-           "hooks/updatetraceset", LTTV_POINTER, &value));
-  tmp = (LttvHooks*)*(value.v_pointer);
-  if(tmp == NULL) return;
-  lttv_hooks_call(tmp, NULL);
-}
-
-void set_time_window_adjustment(Tab *tab, const TimeWindow* new_time_window)
-{
-  gtk_multi_vpaned_set_adjust(tab->multi_vpaned, new_time_window, FALSE);
-}
-
-
 void set_time_window(Tab *tab, const TimeWindow *time_window)
 {
   LttvAttributeValue value;
@@ -141,9 +70,9 @@ void set_time_window(Tab *tab, const TimeWindow *time_window)
   g_assert(lttv_iattribute_find_by_path(tab->attributes,
            "hooks/updatetimewindow", LTTV_POINTER, &value));
   tmp = (LttvHooks*)*(value.v_pointer);
-  if(tmp == NULL) return;
-  lttv_hooks_call(tmp, &time_window_notify_data);
+  if(tmp != NULL) lttv_hooks_call(tmp, &time_window_notify_data);
 
+  //gtk_multi_vpaned_set_adjust(tab->multi_vpaned, new_time_window, FALSE);
 
 }
 
@@ -464,6 +393,102 @@ 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.
@@ -644,19 +669,6 @@ void lttvwindow_unregister_dividor(Tab *tab,
 }
 
 
-/**
- * Update the status bar whenever something changed in the viewer.
- * @param tab viewer's tab 
- * @param info the message which will be shown in the status bar.
- */
-
-void lttvwindow_report_status(Tab *tab, const char *info)
-{ 
-  //FIXME
-  g_warning("update_status not implemented in viewer.c");
-  // Use tab->mw for status
-}
-
 /**
  * Function to set the time interval of the current tab.
  * It will be called by a viewer's signal handle associated with 
@@ -668,8 +680,47 @@ void lttvwindow_report_status(Tab *tab, const char *info)
 void lttvwindow_report_time_window(Tab *tab,
                                    const TimeWindow *time_window)
 {
-  set_time_window(tab, time_window);
-  set_time_window_adjustment(tab, time_window);
+  //set_time_window(tab, time_window);
+  //set_time_window_adjustment(tab, time_window);
+
+  /* Set scrollbar */
+  LttvTracesetContext *tsc =
+        LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context);
+  TimeInterval time_span = tsc->time_span;
+  GtkAdjustment *adjustment = gtk_range_get_adjustment(GTK_RANGE(tab->scrollbar));
+      
+  g_object_set(G_OBJECT(adjustment),
+               "lower",
+               0, /* lower */
+               "upper",
+               ltt_time_to_double(
+                 ltt_time_sub(time_span.end_time, time_span.start_time)) 
+                 * NANOSECONDS_PER_SECOND, /* upper */
+               "step_increment",
+               ltt_time_to_double(time_window->time_width)
+                             / SCROLL_STEP_PER_PAGE
+                             * NANOSECONDS_PER_SECOND, /* step increment */
+               "page_increment",
+               ltt_time_to_double(time_window->time_width) 
+                 * NANOSECONDS_PER_SECOND, /* page increment */
+               "page_size",
+               ltt_time_to_double(time_window->time_width) 
+                 * NANOSECONDS_PER_SECOND, /* page size */
+               NULL);
+  gtk_adjustment_changed(adjustment);
+
+  //g_object_set(G_OBJECT(adjustment),
+  //             "value",
+  //             ltt_time_to_double(time_window->start_time) 
+  //               * NANOSECONDS_PER_SECOND, /* value */
+  //               NULL);
+  /* Note : the set value will call set_time_window if scrollbar value changed
+   */
+  gtk_adjustment_set_value(adjustment,
+                           ltt_time_to_double(
+                             ltt_time_sub(time_window->start_time,
+                                          time_span.start_time))
+                           * NANOSECONDS_PER_SECOND);
 }
 
 
@@ -725,8 +776,9 @@ void lttvwindow_report_dividor(Tab *tab, gint position)
 
 void lttvwindow_report_focus(Tab *tab, GtkWidget *top_widget)
 {
-  gtk_multi_vpaned_set_focus((GtkWidget*)tab->multi_vpaned,
-                             GTK_PANED(gtk_widget_get_parent(top_widget)));
+  //FIXME
+  //gtk_multi_vpaned_set_focus(tab->multivpaned,
+  //                           GTK_PANED(gtk_widget_get_parent(top_widget)));
 }
 
 
@@ -749,17 +801,15 @@ void lttvwindow_report_focus(Tab *tab, GtkWidget *top_widget)
  */
 
 void lttvwindow_events_request(Tab *tab,
-                               const EventsRequest  *events_request)
+                               EventsRequest  *events_request)
 {
-  EventsRequest *alloc = g_new(sizeof(EventsRequest,1));
-  *alloc = *events_request;
-
-  tab->events_requests = g_slist_append(tab->events_requests, alloc);
+  tab->events_requests = g_slist_append(tab->events_requests, events_request);
   
   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);
@@ -780,7 +830,7 @@ void lttvwindow_events_request(Tab *tab,
 
 gint find_viewer (const EventsRequest *a, gconstpointer b)
 {
-  return (a->viewer != b);
+  return (a->owner != b);
 }
 
 
@@ -793,14 +843,21 @@ void lttvwindow_events_request_remove_all(Tab       *tab,
             g_slist_find_custom(tab->events_requests, viewer,
                                 (GCompareFunc)find_viewer))
               != NULL) {
-    EventRequest *events_request = (EventsRequest *)element->data;
-    if(events_request->servicing == TRUE) {
-      lttv_hooks_call(events_request->after_request, NULL);
-    }
+    EventsRequest *events_request = (EventsRequest *)element->data;
+    // Modified so a viewer being destroyed won't have its after_request
+    // called. Not so important anyway. Note that a viewer that call this
+    // remove_all function will not get its after_request called.
+    //if(events_request->servicing == TRUE) {
+    //  lttv_hooks_call(events_request->after_request, NULL);
+    //}
     g_free(events_request);
     tab->events_requests = g_slist_remove_link(tab->events_requests, element);
-
   }
+  if(g_slist_length(tab->events_requests) == 0) {
+    tab->events_request_pending = FALSE;
+    g_idle_remove_by_data(tab);
+  }
+
 }
 
 
@@ -811,12 +868,12 @@ 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;
   
 }
 
@@ -826,12 +883,12 @@ 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;
 }
 
 
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