libmenu/menu_cmdlist.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include "config.h"
  20 #include "mp_msg.h"
  21 #include "help_mp.h"
  22
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <ctype.h>
  26 #include <string.h>
  27
  28 #include "libmpcodecs/img_format.h"
  29 #include "libmpcodecs/mp_image.h"
  30
  31 #include "m_option.h"
  32 #include "m_struct.h"
  33 #include "asxparser.h"
  34 #include "menu.h"
  35 #include "menu_list.h"
  36
  37 #include "libvo/font_load.h"
  38
  39 #include "input/input.h"
  40
  41
  42
  43 struct list_entry_s {
  44   struct list_entry p;
  45
  46   char* ok;
  47   char* cancel;
  48   char* left;
  49   char* right;
  50 };
  51
  52 struct menu_priv_s {
  53   menu_list_priv_t p;
  54 };
  55
  56 #define ST_OFF(m) M_ST_OFF(struct menu_priv_s, m)
  57
  58 static struct menu_priv_s cfg_dflt = {
  59   MENU_LIST_PRIV_DFLT,
  60 };
  61
  62 static m_option_t cfg_fields[] = {
  63   MENU_LIST_PRIV_FIELDS,
  64   { "title",M_ST_OFF(struct menu_priv_s,p.title), CONF_TYPE_STRING, 0, 0, 0, NULL },
  65   { NULL, NULL, NULL, 0,0,0,NULL }
  66 };
  67
  68 #define mpriv (menu->priv)
  69
  70 static void read_cmd(menu_t* menu,int cmd) {
  71   switch(cmd) {
  72   case MENU_CMD_RIGHT:
  73     if(mpriv->p.current->right) {
  74       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->right);
  75       break;
  76     } // fallback on ok if right is not defined
  77   case MENU_CMD_OK:
  78     if (mpriv->p.current->ok)
  79       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->ok);
  80     break;
  81   case MENU_CMD_LEFT:
  82     if(mpriv->p.current->left) {
  83       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->left);
  84       break;
  85     } // fallback on cancel if left is not defined
  86   case MENU_CMD_CANCEL:
  87     if(mpriv->p.current->cancel) {
  88       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->cancel);
  89       break;
  90     }
  91   default:
  92     menu_list_read_cmd(menu,cmd);
  93   }
  94 }
  95
  96 static void free_entry(list_entry_t* entry) {
  97   if(entry->ok)
  98     free(entry->ok);
  99   if(entry->cancel)
 100     free(entry->cancel);
 101   if(entry->left)
 102     free(entry->left);
 103   if(entry->right)
 104     free(entry->right);
 105   free(entry->p.txt);
 106   free(entry);
 107 }
 108
 109 static void close_menu(menu_t* menu) {
 110   menu_list_uninit(menu,free_entry);
 111 }
 112
 113 static int parse_args(menu_t* menu,char* args) {
 114   char *element,*body, **attribs, *name;
 115   list_entry_t* m = NULL;
 116   int r;
 117   ASX_Parser_t* parser = asx_parser_new(menu->mconfig);
 118
 119   while(1) {
 120     r = asx_get_element(parser,&args,&element,&body,&attribs);
 121     if(r < 0) {
 122       mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] syntax error at line: %d\n",parser->line);
 123       asx_parser_free(parser);
 124       return -1;
 125     } else if(r == 0) {
 126       asx_parser_free(parser);
 127       if(!m)
 128         mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] No entry found in the menu definition.\n");
 129       return m ? 1 : 0;
 130     }
 131     // Has it a name ?
 132     name = asx_get_attrib("name",attribs);
 133     if(!name) {
 134       mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] List menu entry definitions need a name (line %d).\n",parser->line);
 135       free(element);
 136       if(body) free(body);
 137       asx_free_attribs(attribs);
 138       continue;
 139     }
 140     m = calloc(1,sizeof(struct list_entry_s));
 141     m->p.txt = name;
 142     m->ok = asx_get_attrib("ok",attribs);
 143     m->cancel = asx_get_attrib("cancel",attribs);
 144     m->left = asx_get_attrib("left",attribs);
 145     m->right = asx_get_attrib("right",attribs);
 146     menu_list_add_entry(menu,m);
 147
 148     free(element);
 149     if(body) free(body);
 150     asx_free_attribs(attribs);
 151   }
 152 }
 153
 154 static int open_cmdlist(menu_t* menu, char* args) {
 155   menu->draw = menu_list_draw;
 156   menu->read_cmd = read_cmd;
 157   menu->close = close_menu;
 158
 159   if(!args) {
 160     mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] List menu needs an argument.\n");
 161     return 0;
 162   }
 163
 164   menu_list_init(menu);
 165   if(!parse_args(menu,args))
 166     return 0;
 167   return 1;
 168 }
 169
 170 const menu_info_t menu_info_cmdlist = {
 171   "Command list menu",
 172   "cmdlist",
 173   "Albeu",
 174   "",
 175   {
 176     "cmdlist_cfg",
 177     sizeof(struct menu_priv_s),
 178     &cfg_dflt,
 179     cfg_fields
 180   },
 181   open_cmdlist
 182 };