ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/menu.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #include <lttv/lttv.h>
  20 #include <lttvwindow/menu.h>
  21
  22
  23 inline LttvMenus *lttv_menus_new() {
  24   return g_array_new(FALSE, FALSE, sizeof(LttvMenuClosure));
  25 }
  26
  27 /* MD: delete elements of the array also, but don't free pointed addresses
  28  * (functions).
  29  */
  30 inline void lttv_menus_destroy(LttvMenus *h) {
  31   g_debug("lttv_menus_destroy()");
  32   g_array_free(h, TRUE);
  33 }
  34
  35 inline LttvMenuClosure lttv_menus_add(LttvMenus *h, lttvwindow_viewer_constructor f, char* menu_path, char* menu_text, GtkWidget *widget)
  36 {
  37   LttvMenuClosure c;
  38
  39   /* if h is null, do nothing, or popup a warning message */
  40   if(h == NULL)return;
  41
  42   c.con = f;
  43   c.menu_path = menu_path;
  44   c.menu_text = menu_text;
  45   c.widget = widget;
  46   g_array_append_val(h,c);
  47
  48   return c;
  49 }
  50
  51 GtkWidget *lttv_menus_remove(LttvMenus *h, lttvwindow_viewer_constructor f)
  52 {
  53   LttvMenuClosure * tmp;
  54   gint i;
  55   GtkWidget *widget;
  56
  57   for(i=0;i<h->len;i++){
  58     tmp = & g_array_index(h, LttvMenuClosure, i);
  59     if(tmp->con == f) {
  60       widget = tmp->widget;
  61       break;
  62     }
  63   }
  64   if(i<h->len){
  65     g_array_remove_index(h, i);
  66     return widget;
  67   }else return NULL;
  68
  69 }
  70
  71 unsigned lttv_menus_number(LttvMenus *h)
  72 {
  73   return h->len;
  74 }
  75
  76