introduce widget_dirty - not only text list might want the optimization

common/utils/T/tracer/gui/gui.h

@@ -16,6 +16,7 @@ gui *gui_init(void);
 
 /* position = -1 to put at the end */
 void widget_add_child(gui *gui, widget *parent, widget *child, int position);
+void widget_dirty(gui *gui, widget *this);
 
 widget *new_toplevel_window(gui *gui, int width, int height, char *title);
 widget *new_container(gui *gui, int vertical);
@@ -44,7 +45,6 @@ void text_list_set_start_line(gui *gui, widget *this, int line);
 void text_list_get_line(gui *gui, widget *this, int line,
     char **text, int *color);
 void text_list_set_color(gui *gui, widget *this, int line, int color);
-void text_list_dirty(gui *_gui, widget *_this);
 
 void gui_loop(gui *gui);
 

common/utils/T/tracer/gui/text_list.c

@@ -242,12 +242,3 @@ void text_list_set_color(gui *_gui, widget *_this, int line, int color)
 
   gunlock(g);
 }
-
-void text_list_dirty(gui *_gui, widget *_this)
-{
-  struct gui *g = _gui;
-  struct text_list_widget *this = _this;
-  glock(g);
-  send_event(g, DIRTY, this->common.id);
-  gunlock(g);
-}

common/utils/T/tracer/gui/widget.c

@@ -180,6 +180,15 @@ void widget_add_child(gui *_gui, widget *parent, widget *child, int position)
   gunlock(_gui);
 }
 
+void widget_dirty(gui *_gui, widget *_this)
+{
+  struct gui *g = _gui;
+  struct widget *this = _this;
+  glock(g);
+  send_event(g, DIRTY, this->id);
+  gunlock(g);
+}
+
 static const char *names[] = {
   "TOPLEVEL_WINDOW", "CONTAINER", "TEXT_LIST", "XY_PLOT", "BUTTON", "LABEL"
 };

common/utils/T/tracer/view/textlist.c

@@ -42,7 +42,7 @@ static void *textlist_thread(void *_this)
       free(s);
     }
     if (pthread_mutex_unlock(&this->lock)) abort();
-    if (dirty) text_list_dirty(this->g, this->w);
+    if (dirty) widget_dirty(this->g, this->w);
     sleepms(1000/this->refresh_rate);
   }