rem: void entree_prend_focus ( GtkWidget *entree )
add: gboolean entree_prend_focus ( GtkWidget *entree )
context: void entree_prend_focus ( GtkWidget *entree ){  /* si le style est le gris, on efface le contenu de l'entre, sinon on fait rien */  if ( GTK_IS_COMBOFIX ( entree ))    {      if ( gtk_widget_get_style ( GTK_COMBOFIX (entree)->entry ) == style_entree_formulaire[1] )	{	  gtk_combofix_set_text ( GTK_COMBOFIX ( entree ),				  "" );	  gtk_widget_set_style ( GTK_COMBOFIX (entree)->entry,				 style_entree_formulaire[0] );	}    }  else    {      if ( gtk_widget_get_style ( entree ) == style_entree_formulaire[1] )	{	  gtk_entry_set_text ( GTK_ENTRY ( entree ),			       "" );	  gtk_widget_set_style ( entree,				 style_entree_formulaire[0] );	}    }}