libmenu/menu_param.c

   1
   2 #include "config.h"
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <dirent.h>
   7 #include <errno.h>
   8 #include <string.h>
   9 #include <sys/types.h>
  10 #include <sys/stat.h>
  11 #include <ctype.h>
  12
  13 #include "mp_msg.h"
  14 #include "help_mp.h"
  15
  16 #include "m_struct.h"
  17 #include "m_option.h"
  18 #include "m_property.h"
  19 #include "asxparser.h"
  20
  21 #include "libmpcodecs/mp_image.h"
  22
  23 #include "menu.h"
  24 #include "menu_list.h"
  25 #include "input/input.h"
  26 #include "command.h"
  27
  28 struct list_entry_s {
  29   struct list_entry p;
  30   char* name;
  31   char* txt;
  32   char* prop;
  33   m_option_t* opt;
  34   char* menu;
  35   int auto_update;
  36 };
  37
  38 struct menu_priv_s {
  39   menu_list_priv_t p;
  40   char* ptr;
  41   int edit;
  42   /// Cfg fields
  43   char* na;
  44   int hide_na;
  45 };
  46
  47 static struct menu_priv_s cfg_dflt = {
  48   MENU_LIST_PRIV_DFLT,
  49   NULL,
  50   0,
  51   "N/A",
  52   1
  53 };
  54
  55 static m_option_t cfg_fields[] = {
  56   MENU_LIST_PRIV_FIELDS,
  57   { "title", M_ST_OFF(menu_list_priv_t,title),  CONF_TYPE_STRING, 0, 0, 0, NULL },
  58   { "na", M_ST_OFF(struct menu_priv_s,na), CONF_TYPE_STRING, 0, 0, 0, NULL },
  59   { "hide-na", M_ST_OFF(struct menu_priv_s,hide_na), CONF_TYPE_FLAG, CONF_RANGE, 0, 1, NULL },
  60   { NULL, NULL, NULL, 0,0,0,NULL }
  61 };
  62
  63 #define mpriv (menu->priv)
  64
  65 static void entry_set_text(menu_t* menu, list_entry_t* e) {
  66   char* val = e->txt ? property_expand_string(menu->ctx, e->txt) :
  67     mp_property_print(e->prop, menu->ctx);
  68   int l,edit = (mpriv->edit && e == mpriv->p.current);
  69   if(!val || !val[0]) {
  70     if(val) free(val);
  71     if(mpriv->hide_na) {
  72       e->p.hide = 1;
  73       return;
  74     }
  75     val = strdup(mpriv->na);
  76   } else if(mpriv->hide_na)
  77       e->p.hide = 0;
  78   l = strlen(e->name) + 2 + strlen(val) + (edit ? 4 : 0) + 1;
  79   if(e->p.txt) free(e->p.txt);
  80   e->p.txt = malloc(l);
  81   sprintf(e->p.txt,"%s: %s%s%s",e->name,edit ? "> " : "",val,edit ? " <" : "");
  82   free(val);
  83 }
  84
  85 static void update_entries(menu_t* menu, int auto_update) {
  86   list_entry_t* e;
  87   for(e = mpriv->p.menu ; e ; e = e->p.next)
  88     if ((e->txt || e->prop) && (!auto_update || e->auto_update))
  89       entry_set_text(menu, e);
  90 }
  91
  92 static int parse_args(menu_t* menu,char* args) {
  93   char *element,*body, **attribs, *name, *txt, *auto_update;
  94   list_entry_t* m = NULL;
  95   int r;
  96   m_option_t* opt;
  97   ASX_Parser_t* parser = asx_parser_new();
  98
  99
 100   while(1) {
 101     r = asx_get_element(parser,&args,&element,&body,&attribs);
 102     if(r < 0) {
 103       mp_msg(MSGT_OSD_MENU,MSGL_ERR,MSGTR_LIBMENU_SyntaxErrorAtLine,parser->line);
 104       asx_parser_free(parser);
 105       return -1;
 106     } else if(r == 0) {
 107       asx_parser_free(parser);
 108       if(!m)
 109         mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_NoEntryFoundInTheMenuDefinition);
 110       m = calloc(1,sizeof(struct list_entry_s));
 111       m->p.txt = strdup("Back");
 112       menu_list_add_entry(menu,m);
 113       return 1;
 114     }
 115     if(!strcmp(element,"menu")) {
 116       name = asx_get_attrib("menu",attribs);
 117       if(!name) {
 118         mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_SubmenuDefinitionNeedAMenuAttribut);
 119         goto next_element;
 120       }
 121       m = calloc(1,sizeof(struct list_entry_s));
 122       m->menu = name;
 123       name = NULL; // we want to keep it
 124       m->p.txt = asx_get_attrib("name",attribs);
 125       if(!m->p.txt) m->p.txt = strdup(m->menu);
 126       menu_list_add_entry(menu,m);
 127       goto next_element;
 128     }
 129
 130     name = asx_get_attrib("property",attribs);
 131     opt = NULL;
 132     if(name && mp_property_do(name,M_PROPERTY_GET_TYPE,&opt,menu->ctx) <= 0) {
 133       mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_InvalidProperty,
 134              name,parser->line);
 135       goto next_element;
 136     }
 137     txt = asx_get_attrib("txt",attribs);
 138     if(!(name || txt)) {
 139       mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_PrefMenuEntryDefinitionsNeed,parser->line);
 140       if(txt) free(txt), txt = NULL;
 141       goto next_element;
 142     }
 143     m = calloc(1,sizeof(struct list_entry_s));
 144     m->opt = opt;
 145     m->txt = txt; txt = NULL;
 146     m->prop = name; name = NULL;
 147     m->name = asx_get_attrib("name",attribs);
 148     if(!m->name) m->name = strdup(opt ? opt->name : "-");
 149     auto_update = asx_get_attrib("auto-update", attribs);
 150     if (auto_update) {
 151       if (!strcmp(auto_update, "1") ||
 152           !strcasecmp(auto_update, "on") ||
 153           !strcasecmp(auto_update, "yes") ||
 154           !strcasecmp(auto_update, "true"))
 155         m->auto_update = 1;
 156       free(auto_update);
 157     }
 158     entry_set_text(menu,m);
 159     menu_list_add_entry(menu,m);
 160
 161   next_element:
 162     free(element);
 163     if(body) free(body);
 164     if(name) free(name);
 165     asx_free_attribs(attribs);
 166   }
 167 }
 168
 169 static void read_cmd(menu_t* menu,int cmd) {
 170   list_entry_t* e = mpriv->p.current;
 171
 172   if(e->opt) {
 173     switch(cmd) {
 174     case MENU_CMD_UP:
 175       if(!mpriv->edit) break;
 176     case MENU_CMD_RIGHT:
 177       if(mp_property_do(e->prop,M_PROPERTY_STEP_UP,NULL,menu->ctx) > 0)
 178         update_entries(menu, 0);
 179       return;
 180     case MENU_CMD_DOWN:
 181       if(!mpriv->edit) break;
 182     case MENU_CMD_LEFT:
 183       if(mp_property_do(e->prop,M_PROPERTY_STEP_DOWN,NULL,menu->ctx) > 0)
 184         update_entries(menu, 0);
 185       return;
 186
 187     case MENU_CMD_OK:
 188       // check that the property is writable
 189       if(mp_property_do(e->prop,M_PROPERTY_SET,NULL,menu->ctx) < 0) return;
 190       // shortcut for flags
 191       if(e->opt->type == CONF_TYPE_FLAG) {
 192         if(mp_property_do(e->prop,M_PROPERTY_STEP_UP,NULL,menu->ctx) > 0)
 193           update_entries(menu, 0);
 194         return;
 195       }
 196       // switch
 197       mpriv->edit = !mpriv->edit;
 198       // update the menu
 199       update_entries(menu, 0);
 200       // switch the pointer
 201       if(mpriv->edit) {
 202         mpriv->ptr = mpriv->p.ptr;
 203         mpriv->p.ptr = NULL;
 204       } else
 205         mpriv->p.ptr = mpriv->ptr;
 206       return;
 207     case MENU_CMD_CANCEL:
 208       if(!mpriv->edit) break;
 209       mpriv->edit = 0;
 210       update_entries(menu, 0);
 211       mpriv->p.ptr = mpriv->ptr;
 212       return;
 213     }
 214   } else if(e->menu) {
 215     switch(cmd) {
 216     case MENU_CMD_RIGHT:
 217     case MENU_CMD_OK: {
 218       mp_cmd_t* c;
 219       char* txt = malloc(10 + strlen(e->menu) + 1);
 220       sprintf(txt,"set_menu %s",e->menu);
 221       c = mp_input_parse_cmd(txt);
 222       if(c) mp_input_queue_cmd(c);
 223       return;
 224     }
 225     }
 226   } else {
 227     switch(cmd) {
 228     case MENU_CMD_RIGHT:
 229     case MENU_CMD_OK:
 230       menu->show = 0;
 231       menu->cl = 1;
 232       return;
 233     }
 234   }
 235   menu_list_read_cmd(menu,cmd);
 236 }
 237
 238 static void free_entry(list_entry_t* entry) {
 239   free(entry->p.txt);
 240   if(entry->name) free(entry->name);
 241   if(entry->txt)  free(entry->txt);
 242   if(entry->prop) free(entry->prop);
 243   if(entry->menu) free(entry->menu);
 244   free(entry);
 245 }
 246
 247 static void closeMenu(menu_t* menu) {
 248   menu_list_uninit(menu,free_entry);
 249 }
 250
 251 static void menu_pref_draw(menu_t* menu, mp_image_t* mpi) {
 252   update_entries(menu, 1);
 253   menu_list_draw(menu, mpi);
 254 }
 255
 256 static int openMenu(menu_t* menu, char* args) {
 257
 258   menu->draw = menu_pref_draw;
 259   menu->read_cmd = read_cmd;
 260   menu->close = closeMenu;
 261
 262
 263   if(!args) {
 264     mp_msg(MSGT_OSD_MENU,MSGL_ERR,MSGTR_LIBMENU_PrefMenuNeedsAnArgument);
 265     return 0;
 266   }
 267
 268   menu_list_init(menu);
 269   return parse_args(menu,args);
 270 }
 271
 272 const menu_info_t menu_info_pref = {
 273   "Preferences menu",
 274   "pref",
 275   "Albeu",
 276   "",
 277   {
 278     "pref_cfg",
 279     sizeof(struct menu_priv_s),
 280     &cfg_dflt,
 281     cfg_fields
 282   },
 283   openMenu
 284 };