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
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <ctype.h>
  25 #include <string.h>
  26
  27 #include "libmpcodecs/img_format.h"
  28 #include "libmpcodecs/mp_image.h"
  29
  30 #include "m_option.h"
  31 #include "m_struct.h"
  32 #include "asxparser.h"
  33 #include "menu.h"
  34 #include "menu_list.h"
  35
  36 #include "libvo/font_load.h"
  37
  38 #include "input/input.h"
  39
  40
  41
  42 struct list_entry_s {
  43   struct list_entry p;
  44
  45   char* ok;
  46   char* cancel;
  47   char* left;
  48   char* right;
  49 };
  50
  51 struct menu_priv_s {
  52   menu_list_priv_t p;
  53 };
  54
  55 #define ST_OFF(m) M_ST_OFF(struct menu_priv_s, m)
  56
  57 static struct menu_priv_s cfg_dflt = {
  58   MENU_LIST_PRIV_DFLT,
  59 };
  60
  61 static const m_option_t cfg_fields[] = {
  62   MENU_LIST_PRIV_FIELDS,
  63   { "title",M_ST_OFF(struct menu_priv_s,p.title), CONF_TYPE_STRING, 0, 0, 0, NULL },
  64   { NULL, NULL, NULL, 0,0,0,NULL }
  65 };
  66
  67 #define mpriv (menu->priv)
  68
  69 static void read_cmd(menu_t* menu,int cmd) {
  70   switch(cmd) {
  71   case MENU_CMD_RIGHT:
  72     if(mpriv->p.current->right) {
  73       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->right);
  74       break;
  75     } // fallback on ok if right is not defined
  76   case MENU_CMD_OK:
  77     if (mpriv->p.current->ok)
  78       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->ok);
  79     break;
  80   case MENU_CMD_LEFT:
  81     if(mpriv->p.current->left) {
  82       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->left);
  83       break;
  84     } // fallback on cancel if left is not defined
  85   case MENU_CMD_CANCEL:
  86     if(mpriv->p.current->cancel) {
  87       mp_input_parse_and_queue_cmds(menu->input_ctx, mpriv->p.current->cancel);
  88       break;
  89     }
  90   default:
  91     menu_list_read_cmd(menu,cmd);
  92   }
  93 }
  94
  95 static void free_entry(list_entry_t* entry) {
  96   if(entry->ok)
  97     free(entry->ok);
  98   if(entry->cancel)
  99     free(entry->cancel);
 100   if(entry->left)
 101     free(entry->left);
 102   if(entry->right)
 103     free(entry->right);
 104   free(entry->p.txt);
 105   free(entry);
 106 }
 107
 108 static void close_menu(menu_t* menu) {
 109   menu_list_uninit(menu,free_entry);
 110 }
 111
 112 static int parse_args(menu_t* menu,char* args) {
 113   char *element,*body, **attribs, *name;
 114   list_entry_t* m = NULL;
 115   int r;
 116   ASX_Parser_t* parser = asx_parser_new(menu->mconfig);
 117
 118   while(1) {
 119     r = asx_get_element(parser,&args,&element,&body,&attribs);
 120     if(r < 0) {
 121       mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] syntax error at line: %d\n",parser->line);
 122       asx_parser_free(parser);
 123       return -1;
 124     } else if(r == 0) {
 125       asx_parser_free(parser);
 126       if(!m)
 127         mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] No entry found in the menu definition.\n");
 128       return m ? 1 : 0;
 129     }
 130     // Has it a name ?
 131     name = asx_get_attrib("name",attribs);
 132     if(!name) {
 133       mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] List menu entry definitions need a name (line %d).\n",parser->line);
 134       free(element);
 135       if(body) free(body);
 136       asx_free_attribs(attribs);
 137       continue;
 138     }
 139     m = calloc(1,sizeof(struct list_entry_s));
 140     m->p.txt = name;
 141     m->ok = asx_get_attrib("ok",attribs);
 142     m->cancel = asx_get_attrib("cancel",attribs);
 143     m->left = asx_get_attrib("left",attribs);
 144     m->right = asx_get_attrib("right",attribs);
 145     menu_list_add_entry(menu,m);
 146
 147     free(element);
 148     if(body) free(body);
 149     asx_free_attribs(attribs);
 150   }
 151 }
 152
 153 static int open_cmdlist(menu_t* menu, char* args) {
 154   menu->draw = menu_list_draw;
 155   menu->read_cmd = read_cmd;
 156   menu->close = close_menu;
 157
 158   if(!args) {
 159     mp_tmsg(MSGT_GLOBAL,MSGL_WARN,"[MENU] List menu needs an argument.\n");
 160     return 0;
 161   }
 162
 163   menu_list_init(menu);
 164   if(!parse_args(menu,args))
 165     return 0;
 166   return 1;
 167 }
 168
 169 const menu_info_t menu_info_cmdlist = {
 170   "Command list menu",
 171   "cmdlist",
 172   "Albeu",
 173   "",
 174   {
 175     "cmdlist_cfg",
 176     sizeof(struct menu_priv_s),
 177     &cfg_dflt,
 178     cfg_fields
 179   },
 180   open_cmdlist
 181 };