X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Fmodules%2FguiStatistic%2FguiStatistic.c;h=64c1718897e69778ea20fb5e1ba0d385f4f3a09d;hb=bca3b81f050faa6295485fc7dbc3fef45f706d14;hp=23d53a5cf751bf68cc8495cf25756011913530b6;hpb=2061e03dd5e8aa09fbed5b08ae702fe2eb33be06;p=lttv.git diff --git a/ltt/branches/poly/lttv/modules/guiStatistic/guiStatistic.c b/ltt/branches/poly/lttv/modules/guiStatistic/guiStatistic.c index 23d53a5c..64c17188 100644 --- a/ltt/branches/poly/lttv/modules/guiStatistic/guiStatistic.c +++ b/ltt/branches/poly/lttv/modules/guiStatistic/guiStatistic.c @@ -25,32 +25,32 @@ #define PATH_LENGTH 256 -static LttvModule *Main_Win_Module; +static LttvModule *statistic_main_win_module; /** Array containing instanced objects. Used when module is unloaded */ -static GSList *gStatistic_Viewer_Data_List = NULL ; +static GSList *g_statistic_viewer_data_list = NULL ; typedef struct _StatisticViewerData StatisticViewerData; //! Statistic Viewer's constructor hook -GtkWidget *hGuiStatistic(mainWindow *pmParentWindow); +GtkWidget *h_gui_statistic(MainWindow *parent_window); //! Statistic Viewer's constructor -StatisticViewerData *GuiStatistic(mainWindow *pmParentWindow); +StatisticViewerData *gui_statistic(MainWindow *parent_window); //! Statistic Viewer's destructor -void GuiStatistic_Destructor(StatisticViewerData *Statistic_Viewer_Data); -void GuiStatistic_free(StatisticViewerData *Statistic_Viewer_Data); +void gui_statistic_destructor(StatisticViewerData *statistic_viewer_data); +void gui_statistic_free(StatisticViewerData *statistic_viewer_data); void grab_focus(GtkWidget *widget, gpointer data); static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data); -void Destroy_hash_key(gpointer key); -void Destroy_hash_data(gpointer data); +void statistic_destroy_hash_key(gpointer key); +void statistic_destroy_hash_data(gpointer data); -void get_traceset_stats(StatisticViewerData * Statistic_Viewer_Data); -void show_traceset_stats(StatisticViewerData * Statistic_Viewer_Data); -void show_tree(StatisticViewerData * Statistic_Viewer_Data, +void get_traceset_stats(StatisticViewerData * statistic_viewer_data); +void show_traceset_stats(StatisticViewerData * statistic_viewer_data); +void show_tree(StatisticViewerData * statistic_viewer_data, LttvAttribute* stats, GtkTreeIter* parent); -void show_statistic(StatisticViewerData * Statistic_Viewer_Data, +void show_statistic(StatisticViewerData * statistic_viewer_data, LttvAttribute* stats, GtkTextBuffer* buf); @@ -61,25 +61,25 @@ enum }; struct _StatisticViewerData{ - mainWindow * mw; + MainWindow * mw; LttvTracesetStats * stats; - GtkWidget * HPaned_V; - GtkTreeStore * Store_M; - GtkWidget * Tree_V; + GtkWidget * hpaned_v; + GtkTreeStore * store_m; + GtkWidget * tree_v; //scroll window containing Tree View - GtkWidget * Scroll_Win_Tree; + GtkWidget * scroll_win_tree; - GtkWidget * Text_V; + GtkWidget * text_v; //scroll window containing Text View - GtkWidget * Scroll_Win_Text; + GtkWidget * scroll_win_text; // Selection handler - GtkTreeSelection *Select_C; + GtkTreeSelection *select_c; //hash - GHashTable *Statistic_Hash; + GHashTable *statistic_hash; }; @@ -91,26 +91,24 @@ struct _StatisticViewerData{ */ G_MODULE_EXPORT void init(LttvModule *self, int argc, char *argv[]) { - Main_Win_Module = lttv_module_require(self, "mainwin", argc, argv); + statistic_main_win_module = lttv_module_require(self, "mainwin", argc, argv); - if(Main_Win_Module == NULL){ + if(statistic_main_win_module == NULL){ g_critical("Can't load Statistic Viewer : missing mainwin\n"); return; } - g_critical("GUI Statistic Viewer init()"); - /* Register the toolbar insert button */ - ToolbarItemReg(hGuiStatisticInsert_xpm, "Insert Statistic Viewer", hGuiStatistic); + ToolbarItemReg(hGuiStatisticInsert_xpm, "Insert Statistic Viewer", h_gui_statistic); /* Register the menu item insert entry */ - MenuItemReg("/", "Insert Statistic Viewer", hGuiStatistic); + MenuItemReg("/", "Insert Statistic Viewer", h_gui_statistic); } -void destroy_walk(gpointer data, gpointer user_data) +void statistic_destroy_walk(gpointer data, gpointer user_data) { - GuiStatistic_Destructor((StatisticViewerData*)data); + gui_statistic_destructor((StatisticViewerData*)data); } /** @@ -122,41 +120,38 @@ void destroy_walk(gpointer data, gpointer user_data) G_MODULE_EXPORT void destroy() { int i; - g_critical("GUI Statistic Viewer destroy()"); - g_slist_foreach(gStatistic_Viewer_Data_List, destroy_walk, NULL ); - - g_slist_free(gStatistic_Viewer_Data_List); + if(g_statistic_viewer_data_list){ + g_slist_foreach(g_statistic_viewer_data_list, statistic_destroy_walk, NULL ); + g_slist_free(g_statistic_viewer_data_list); + } /* Unregister the toolbar insert button */ - ToolbarItemUnreg(hGuiStatistic); + ToolbarItemUnreg(h_gui_statistic); /* Unregister the menu item insert entry */ - MenuItemUnreg(hGuiStatistic); + MenuItemUnreg(h_gui_statistic); } void -GuiStatistic_free(StatisticViewerData *Statistic_Viewer_Data) +gui_statistic_free(StatisticViewerData *statistic_viewer_data) { - g_critical("GuiStatistic_free()"); - if(Statistic_Viewer_Data){ - g_hash_table_destroy(Statistic_Viewer_Data->Statistic_Hash); - gStatistic_Viewer_Data_List = g_slist_remove(gStatistic_Viewer_Data_List, Statistic_Viewer_Data); - g_warning("Delete Statistic data\n"); - g_free(Statistic_Viewer_Data); + if(statistic_viewer_data){ + g_hash_table_destroy(statistic_viewer_data->statistic_hash); + g_statistic_viewer_data_list = g_slist_remove(g_statistic_viewer_data_list, statistic_viewer_data); + g_free(statistic_viewer_data); } } void -GuiStatistic_Destructor(StatisticViewerData *Statistic_Viewer_Data) +gui_statistic_destructor(StatisticViewerData *statistic_viewer_data) { - g_critical("GuiStatistic_Destructor()"); /* May already been done by GTK window closing */ - if(GTK_IS_WIDGET(Statistic_Viewer_Data->HPaned_V)){ - gtk_widget_destroy(Statistic_Viewer_Data->HPaned_V); - Statistic_Viewer_Data = NULL; + if(GTK_IS_WIDGET(statistic_viewer_data->hpaned_v)){ + gtk_widget_destroy(statistic_viewer_data->hpaned_v); + statistic_viewer_data = NULL; } - //GuiStatistic_free(Statistic_Viewer_Data); + //gui_statistic_free(statistic_viewer_data); } @@ -165,16 +160,16 @@ GuiStatistic_Destructor(StatisticViewerData *Statistic_Viewer_Data) * * This constructor is given as a parameter to the menuitem and toolbar button * registration. It creates the list. - * @param pmParentWindow A pointer to the parent window. + * @param parent_window A pointer to the parent window. * @return The widget created. */ GtkWidget * -hGuiStatistic(mainWindow * pmParentWindow) +h_gui_statistic(MainWindow * parent_window) { - StatisticViewerData* Statistic_Viewer_Data = GuiStatistic(pmParentWindow) ; + StatisticViewerData* statistic_viewer_data = gui_statistic(parent_window) ; - if(Statistic_Viewer_Data) - return Statistic_Viewer_Data->HPaned_V; + if(statistic_viewer_data) + return statistic_viewer_data->hpaned_v; else return NULL; } @@ -186,34 +181,35 @@ hGuiStatistic(mainWindow * pmParentWindow) * @return The Statistic viewer data created. */ StatisticViewerData * -GuiStatistic(mainWindow *pmParentWindow) +gui_statistic(MainWindow *parent_window) { GtkCellRenderer *renderer; GtkTreeViewColumn *column; - StatisticViewerData* Statistic_Viewer_Data = g_new(StatisticViewerData,1); + StatisticViewerData* statistic_viewer_data = g_new(StatisticViewerData,1); - Statistic_Viewer_Data->mw = pmParentWindow; - Statistic_Viewer_Data->stats = getTracesetStats(Statistic_Viewer_Data->mw); + statistic_viewer_data->mw = parent_window; + statistic_viewer_data->stats = getTracesetStats(statistic_viewer_data->mw); - Statistic_Viewer_Data->Statistic_Hash = g_hash_table_new_full(g_str_hash, g_str_equal, - Destroy_hash_key, Destroy_hash_data); + statistic_viewer_data->statistic_hash = g_hash_table_new_full(g_str_hash, g_str_equal, + statistic_destroy_hash_key, + statistic_destroy_hash_data); - Statistic_Viewer_Data->HPaned_V = gtk_hpaned_new(); - Statistic_Viewer_Data->Store_M = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING); - Statistic_Viewer_Data->Tree_V = gtk_tree_view_new_with_model (GTK_TREE_MODEL (Statistic_Viewer_Data->Store_M)); - g_object_unref (G_OBJECT (Statistic_Viewer_Data->Store_M)); + statistic_viewer_data->hpaned_v = gtk_hpaned_new(); + statistic_viewer_data->store_m = gtk_tree_store_new (N_COLUMNS, G_TYPE_STRING); + statistic_viewer_data->tree_v = gtk_tree_view_new_with_model (GTK_TREE_MODEL (statistic_viewer_data->store_m)); + g_object_unref (G_OBJECT (statistic_viewer_data->store_m)); - g_signal_connect (G_OBJECT (Statistic_Viewer_Data->Tree_V), "grab-focus", + g_signal_connect (G_OBJECT (statistic_viewer_data->tree_v), "grab-focus", G_CALLBACK (grab_focus), - Statistic_Viewer_Data); + statistic_viewer_data); // Setup the selection handler - Statistic_Viewer_Data->Select_C = gtk_tree_view_get_selection (GTK_TREE_VIEW (Statistic_Viewer_Data->Tree_V)); - gtk_tree_selection_set_mode (Statistic_Viewer_Data->Select_C, GTK_SELECTION_SINGLE); - g_signal_connect (G_OBJECT (Statistic_Viewer_Data->Select_C), "changed", + statistic_viewer_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (statistic_viewer_data->tree_v)); + gtk_tree_selection_set_mode (statistic_viewer_data->select_c, GTK_SELECTION_SINGLE); + g_signal_connect (G_OBJECT (statistic_viewer_data->select_c), "changed", G_CALLBACK (tree_selection_changed_cb), - Statistic_Viewer_Data); + statistic_viewer_data); renderer = gtk_cell_renderer_text_new (); column = gtk_tree_view_column_new_with_attributes ("Statistic Name", @@ -222,69 +218,69 @@ GuiStatistic(mainWindow *pmParentWindow) NULL); gtk_tree_view_column_set_alignment (column, 0.0); // gtk_tree_view_column_set_fixed_width (column, 45); - gtk_tree_view_append_column (GTK_TREE_VIEW (Statistic_Viewer_Data->Tree_V), column); + gtk_tree_view_append_column (GTK_TREE_VIEW (statistic_viewer_data->tree_v), column); - gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (Statistic_Viewer_Data->Tree_V), FALSE); + gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (statistic_viewer_data->tree_v), FALSE); - Statistic_Viewer_Data->Scroll_Win_Tree = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Statistic_Viewer_Data->Scroll_Win_Tree), + statistic_viewer_data->scroll_win_tree = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_tree), GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC); - gtk_container_add (GTK_CONTAINER (Statistic_Viewer_Data->Scroll_Win_Tree), Statistic_Viewer_Data->Tree_V); - gtk_paned_pack1(GTK_PANED(Statistic_Viewer_Data->HPaned_V),Statistic_Viewer_Data->Scroll_Win_Tree, TRUE, FALSE); - gtk_paned_set_position(GTK_PANED(Statistic_Viewer_Data->HPaned_V), 160); + gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_tree), statistic_viewer_data->tree_v); + gtk_paned_pack1(GTK_PANED(statistic_viewer_data->hpaned_v),statistic_viewer_data->scroll_win_tree, TRUE, FALSE); + gtk_paned_set_position(GTK_PANED(statistic_viewer_data->hpaned_v), 160); - Statistic_Viewer_Data->Scroll_Win_Text = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Statistic_Viewer_Data->Scroll_Win_Text), + statistic_viewer_data->scroll_win_text = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(statistic_viewer_data->scroll_win_text), GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC); - Statistic_Viewer_Data->Text_V = gtk_text_view_new (); - g_signal_connect (G_OBJECT (Statistic_Viewer_Data->Text_V), "grab-focus", + statistic_viewer_data->text_v = gtk_text_view_new (); + g_signal_connect (G_OBJECT (statistic_viewer_data->text_v), "grab-focus", G_CALLBACK (grab_focus), - Statistic_Viewer_Data); + statistic_viewer_data); - gtk_text_view_set_editable(GTK_TEXT_VIEW(Statistic_Viewer_Data->Text_V),FALSE); - gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(Statistic_Viewer_Data->Text_V),FALSE); - gtk_container_add (GTK_CONTAINER (Statistic_Viewer_Data->Scroll_Win_Text), Statistic_Viewer_Data->Text_V); - gtk_paned_pack2(GTK_PANED(Statistic_Viewer_Data->HPaned_V), Statistic_Viewer_Data->Scroll_Win_Text, TRUE, FALSE); + gtk_text_view_set_editable(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE); + gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(statistic_viewer_data->text_v),FALSE); + gtk_container_add (GTK_CONTAINER (statistic_viewer_data->scroll_win_text), statistic_viewer_data->text_v); + gtk_paned_pack2(GTK_PANED(statistic_viewer_data->hpaned_v), statistic_viewer_data->scroll_win_text, TRUE, FALSE); - gtk_widget_show(Statistic_Viewer_Data->Scroll_Win_Tree); - gtk_widget_show(Statistic_Viewer_Data->Scroll_Win_Text); - gtk_widget_show(Statistic_Viewer_Data->Tree_V); - gtk_widget_show(Statistic_Viewer_Data->Text_V); - gtk_widget_show(Statistic_Viewer_Data->HPaned_V); + gtk_widget_show(statistic_viewer_data->scroll_win_tree); + gtk_widget_show(statistic_viewer_data->scroll_win_text); + gtk_widget_show(statistic_viewer_data->tree_v); + gtk_widget_show(statistic_viewer_data->text_v); + gtk_widget_show(statistic_viewer_data->hpaned_v); g_object_set_data_full( - G_OBJECT(Statistic_Viewer_Data->HPaned_V), - "Statistic_Viewer_Data", - Statistic_Viewer_Data, - (GDestroyNotify)GuiStatistic_free); + G_OBJECT(statistic_viewer_data->hpaned_v), + "statistic_viewer_data", + statistic_viewer_data, + (GDestroyNotify)gui_statistic_free); /* Add the object's information to the module's array */ - gStatistic_Viewer_Data_List = g_slist_append( - gStatistic_Viewer_Data_List, - Statistic_Viewer_Data); + g_statistic_viewer_data_list = g_slist_append( + g_statistic_viewer_data_list, + statistic_viewer_data); - get_traceset_stats(Statistic_Viewer_Data); + get_traceset_stats(statistic_viewer_data); - return Statistic_Viewer_Data; + return statistic_viewer_data; } void grab_focus(GtkWidget *widget, gpointer data) { - StatisticViewerData *Statistic_Viewer_Data = (StatisticViewerData *)data; - mainWindow * mw = Statistic_Viewer_Data->mw; - SetFocusedPane(mw, gtk_widget_get_parent(Statistic_Viewer_Data->HPaned_V)); + StatisticViewerData *statistic_viewer_data = (StatisticViewerData *)data; + MainWindow * mw = statistic_viewer_data->mw; + SetFocusedPane(mw, gtk_widget_get_parent(statistic_viewer_data->hpaned_v)); } static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data) { - StatisticViewerData *Statistic_Viewer_Data = (StatisticViewerData*)data; + StatisticViewerData *statistic_viewer_data = (StatisticViewerData*)data; GtkTreeIter iter; - GtkTreeModel *model = GTK_TREE_MODEL(Statistic_Viewer_Data->Store_M); - gchar *Event; + GtkTreeModel *model = GTK_TREE_MODEL(statistic_viewer_data->store_m); + gchar *event; GtkTextBuffer* buf; gchar * str; GtkTreePath * path; @@ -293,37 +289,37 @@ tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data) if (gtk_tree_selection_get_selected (selection, &model, &iter)) { - gtk_tree_model_get (model, &iter, NAME_COLUMN, &Event, -1); + gtk_tree_model_get (model, &iter, NAME_COLUMN, &event, -1); path = gtk_tree_model_get_path(GTK_TREE_MODEL(model),&iter); str = gtk_tree_path_to_string (path); - stats = (LttvAttribute*)g_hash_table_lookup (Statistic_Viewer_Data->Statistic_Hash,str); + stats = (LttvAttribute*)g_hash_table_lookup (statistic_viewer_data->statistic_hash,str); g_free(str); - buf = gtk_text_view_get_buffer((GtkTextView*)Statistic_Viewer_Data->Text_V); + buf = gtk_text_view_get_buffer((GtkTextView*)statistic_viewer_data->text_v); gtk_text_buffer_set_text(buf,"Statistic for '", -1); gtk_text_buffer_get_end_iter(buf, &text_iter); - gtk_text_buffer_insert(buf, &text_iter, Event, strlen(Event)); + gtk_text_buffer_insert(buf, &text_iter, event, strlen(event)); gtk_text_buffer_get_end_iter(buf, &text_iter); gtk_text_buffer_insert(buf, &text_iter, "' :\n\n",5); - show_statistic(Statistic_Viewer_Data, stats, buf); + show_statistic(statistic_viewer_data, stats, buf); - g_free (Event); + g_free (event); } } -void Destroy_hash_key(gpointer key) +void statistic_destroy_hash_key(gpointer key) { g_free(key); } -void Destroy_hash_data(gpointer data) +void statistic_destroy_hash_data(gpointer data) { // g_free(data); } -void get_traceset_stats(StatisticViewerData * Statistic_Viewer_Data) +void get_traceset_stats(StatisticViewerData * statistic_viewer_data) { LttTime start, end; @@ -332,29 +328,29 @@ void get_traceset_stats(StatisticViewerData * Statistic_Viewer_Data) end.tv_sec = G_MAXULONG; end.tv_nsec = G_MAXULONG; - stateAddEventHooks(Statistic_Viewer_Data->mw); - statsAddEventHooks(Statistic_Viewer_Data->mw); + stateAddEventHooks(statistic_viewer_data->mw); + statsAddEventHooks(statistic_viewer_data->mw); - processTraceset(Statistic_Viewer_Data->mw, start, end, G_MAXULONG); + processTraceset(statistic_viewer_data->mw, start, end, G_MAXULONG); - stateRemoveEventHooks(Statistic_Viewer_Data->mw); - statsRemoveEventHooks(Statistic_Viewer_Data->mw); + stateRemoveEventHooks(statistic_viewer_data->mw); + statsRemoveEventHooks(statistic_viewer_data->mw); //establish tree view for stats - show_traceset_stats(Statistic_Viewer_Data); + show_traceset_stats(statistic_viewer_data); } -void show_traceset_stats(StatisticViewerData * Statistic_Viewer_Data) +void show_traceset_stats(StatisticViewerData * statistic_viewer_data) { int i, nb; LttvTraceset *ts; LttvTraceStats *tcs; LttSystemDescription *desc; - LttvTracesetStats * tscs = Statistic_Viewer_Data->stats; + LttvTracesetStats * tscs = statistic_viewer_data->stats; gchar * str, trace_str[PATH_LENGTH]; GtkTreePath * path; GtkTreeIter iter; - GtkTreeStore * store = Statistic_Viewer_Data->Store_M; + GtkTreeStore * store = statistic_viewer_data->store_m; if(tscs->stats == NULL) return; @@ -364,9 +360,9 @@ void show_traceset_stats(StatisticViewerData * Statistic_Viewer_Data) -1); path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter); str = gtk_tree_path_to_string (path); - g_hash_table_insert(Statistic_Viewer_Data->Statistic_Hash, + g_hash_table_insert(statistic_viewer_data->statistic_hash, (gpointer)str, tscs->stats); - show_tree(Statistic_Viewer_Data, tscs->stats, &iter); + show_tree(statistic_viewer_data, tscs->stats, &iter); //show stats for all traces ts = tscs->parent.parent.ts; @@ -382,13 +378,13 @@ void show_traceset_stats(StatisticViewerData * Statistic_Viewer_Data) gtk_tree_store_set (store, &iter,NAME_COLUMN,trace_str,-1); path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter); str = gtk_tree_path_to_string (path); - g_hash_table_insert(Statistic_Viewer_Data->Statistic_Hash, + g_hash_table_insert(statistic_viewer_data->statistic_hash, (gpointer)str,tcs->stats); - show_tree(Statistic_Viewer_Data, tcs->stats, &iter); + show_tree(statistic_viewer_data, tcs->stats, &iter); } } -void show_tree(StatisticViewerData * Statistic_Viewer_Data, +void show_tree(StatisticViewerData * statistic_viewer_data, LttvAttribute* stats, GtkTreeIter* parent) { int i, nb; @@ -399,7 +395,7 @@ void show_tree(StatisticViewerData * Statistic_Viewer_Data, gchar * str, dir_str[PATH_LENGTH]; GtkTreePath * path; GtkTreeIter iter; - GtkTreeStore * store = Statistic_Viewer_Data->Store_M; + GtkTreeStore * store = statistic_viewer_data->store_m; nb = lttv_attribute_get_number(stats); for(i = 0 ; i < nb ; i++) { @@ -413,9 +409,9 @@ void show_tree(StatisticViewerData * Statistic_Viewer_Data, gtk_tree_store_set (store, &iter,NAME_COLUMN,dir_str,-1); path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter); str = gtk_tree_path_to_string (path); - g_hash_table_insert(Statistic_Viewer_Data->Statistic_Hash, + g_hash_table_insert(statistic_viewer_data->statistic_hash, (gpointer)str, subtree); - show_tree(Statistic_Viewer_Data, subtree, &iter); + show_tree(statistic_viewer_data, subtree, &iter); } break; default: @@ -424,7 +420,7 @@ void show_tree(StatisticViewerData * Statistic_Viewer_Data, } } -void show_statistic(StatisticViewerData * Statistic_Viewer_Data, +void show_statistic(StatisticViewerData * statistic_viewer_data, LttvAttribute* stats, GtkTextBuffer* buf) { int i, nb , flag;