mpv/libmenu/menu_param.c

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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <dirent.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#include "mp_msg.h"
#include "help_mp.h"
#include "m_struct.h"
#include "m_option.h"
#include "m_property.h"
#include "asxparser.h"
#include "libmpcodecs/mp_image.h"
#include "menu.h"
#include "menu_list.h"
#include "input/input.h"
#include "command.h"
struct list_entry_s {
struct list_entry p;
char* name;
char* txt;
char* prop;
m_option_t* opt;
char* menu;
int auto_update;
};
struct menu_priv_s {
menu_list_priv_t p;
char* ptr;
int edit;
/// Cfg fields
char* na;
int hide_na;
};
static struct menu_priv_s cfg_dflt = {
MENU_LIST_PRIV_DFLT,
NULL,
0,
"N/A",
1
};
static m_option_t cfg_fields[] = {
MENU_LIST_PRIV_FIELDS,
{ "title", M_ST_OFF(menu_list_priv_t,title), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "na", M_ST_OFF(struct menu_priv_s,na), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "hide-na", M_ST_OFF(struct menu_priv_s,hide_na), CONF_TYPE_FLAG, CONF_RANGE, 0, 1, NULL },
{ NULL, NULL, NULL, 0,0,0,NULL }
};
#define mpriv (menu->priv)
static void entry_set_text(menu_t* menu, list_entry_t* e) {
char* val = e->txt ? property_expand_string(menu->ctx, e->txt) :
mp_property_print(e->prop, menu->ctx);
int l,edit = (mpriv->edit && e == mpriv->p.current);
if(!val || !val[0]) {
if(val) free(val);
if(mpriv->hide_na) {
e->p.hide = 1;
return;
}
val = strdup(mpriv->na);
} else if(mpriv->hide_na)
e->p.hide = 0;
l = strlen(e->name) + 2 + strlen(val) + (edit ? 4 : 0) + 1;
if(e->p.txt) free(e->p.txt);
e->p.txt = malloc(l);
sprintf(e->p.txt,"%s: %s%s%s",e->name,edit ? "> " : "",val,edit ? " <" : "");
free(val);
}
static void update_entries(menu_t* menu, int auto_update) {
list_entry_t* e;
for(e = mpriv->p.menu ; e ; e = e->p.next)
if ((e->txt || e->prop) && (!auto_update || e->auto_update))
entry_set_text(menu, e);
}
static int parse_args(menu_t* menu,char* args) {
char *element,*body, **attribs, *name, *txt, *auto_update;
list_entry_t* m = NULL;
int r;
m_option_t* opt;
ASX_Parser_t* parser = asx_parser_new();
while(1) {
r = asx_get_element(parser,&args,&element,&body,&attribs);
if(r < 0) {
mp_msg(MSGT_OSD_MENU,MSGL_ERR,MSGTR_LIBMENU_SyntaxErrorAtLine,parser->line);
asx_parser_free(parser);
return -1;
} else if(r == 0) {
asx_parser_free(parser);
if(!m)
mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_NoEntryFoundInTheMenuDefinition);
m = calloc(1,sizeof(struct list_entry_s));
m->p.txt = strdup("Back");
menu_list_add_entry(menu,m);
return 1;
}
if(!strcmp(element,"menu")) {
name = asx_get_attrib("menu",attribs);
if(!name) {
mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_SubmenuDefinitionNeedAMenuAttribut);
goto next_element;
}
m = calloc(1,sizeof(struct list_entry_s));
m->menu = name;
name = NULL; // we want to keep it
m->p.txt = asx_get_attrib("name",attribs);
if(!m->p.txt) m->p.txt = strdup(m->menu);
menu_list_add_entry(menu,m);
goto next_element;
}
name = asx_get_attrib("property",attribs);
opt = NULL;
if(name && mp_property_do(name,M_PROPERTY_GET_TYPE,&opt,menu->ctx) <= 0) {
mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_InvalidProperty,
name,parser->line);
goto next_element;
}
txt = asx_get_attrib("txt",attribs);
if(!(name || txt)) {
mp_msg(MSGT_OSD_MENU,MSGL_WARN,MSGTR_LIBMENU_PrefMenuEntryDefinitionsNeed,parser->line);
if(txt) free(txt), txt = NULL;
goto next_element;
}
m = calloc(1,sizeof(struct list_entry_s));
m->opt = opt;
m->txt = txt; txt = NULL;
m->prop = name; name = NULL;
m->name = asx_get_attrib("name",attribs);
if(!m->name) m->name = strdup(opt ? opt->name : "-");
auto_update = asx_get_attrib("auto-update", attribs);
if (auto_update) {
if (!strcmp(auto_update, "1") ||
!strcasecmp(auto_update, "on") ||
!strcasecmp(auto_update, "yes") ||
!strcasecmp(auto_update, "true"))
m->auto_update = 1;
free(auto_update);
}
entry_set_text(menu,m);
menu_list_add_entry(menu,m);
next_element:
free(element);
if(body) free(body);
if(name) free(name);
asx_free_attribs(attribs);
}
}
static void read_cmd(menu_t* menu,int cmd) {
list_entry_t* e = mpriv->p.current;
if(e->opt) {
switch(cmd) {
case MENU_CMD_UP:
if(!mpriv->edit) break;
case MENU_CMD_RIGHT:
if(mp_property_do(e->prop,M_PROPERTY_STEP_UP,NULL,menu->ctx) > 0)
update_entries(menu, 0);
return;
case MENU_CMD_DOWN:
if(!mpriv->edit) break;
case MENU_CMD_LEFT:
if(mp_property_do(e->prop,M_PROPERTY_STEP_DOWN,NULL,menu->ctx) > 0)
update_entries(menu, 0);
return;
case MENU_CMD_OK:
// check that the property is writable
if(mp_property_do(e->prop,M_PROPERTY_SET,NULL,menu->ctx) < 0) return;
// shortcut for flags
if(e->opt->type == CONF_TYPE_FLAG) {
if(mp_property_do(e->prop,M_PROPERTY_STEP_UP,NULL,menu->ctx) > 0)
update_entries(menu, 0);
return;
}
// switch
mpriv->edit = !mpriv->edit;
// update the menu
update_entries(menu, 0);
// switch the pointer
if(mpriv->edit) {
mpriv->ptr = mpriv->p.ptr;
mpriv->p.ptr = NULL;
} else
mpriv->p.ptr = mpriv->ptr;
return;
case MENU_CMD_CANCEL:
if(!mpriv->edit) break;
mpriv->edit = 0;
update_entries(menu, 0);
mpriv->p.ptr = mpriv->ptr;
return;
}
} else if(e->menu) {
switch(cmd) {
case MENU_CMD_RIGHT:
case MENU_CMD_OK: {
mp_cmd_t* c;
char* txt = malloc(10 + strlen(e->menu) + 1);
sprintf(txt,"set_menu %s",e->menu);
c = mp_input_parse_cmd(txt);
if(c) mp_input_queue_cmd(c);
return;
}
}
} else {
switch(cmd) {
case MENU_CMD_RIGHT:
case MENU_CMD_OK:
menu->show = 0;
menu->cl = 1;
return;
}
}
menu_list_read_cmd(menu,cmd);
}
static void free_entry(list_entry_t* entry) {
free(entry->p.txt);
if(entry->name) free(entry->name);
if(entry->txt) free(entry->txt);
if(entry->prop) free(entry->prop);
if(entry->menu) free(entry->menu);
free(entry);
}
static void closeMenu(menu_t* menu) {
menu_list_uninit(menu,free_entry);
}
static void menu_pref_draw(menu_t* menu, mp_image_t* mpi) {
update_entries(menu, 1);
menu_list_draw(menu, mpi);
}
static int openMenu(menu_t* menu, char* args) {
menu->draw = menu_pref_draw;
menu->read_cmd = read_cmd;
menu->close = closeMenu;
if(!args) {
mp_msg(MSGT_OSD_MENU,MSGL_ERR,MSGTR_LIBMENU_PrefMenuNeedsAnArgument);
return 0;
}
menu_list_init(menu);
return parse_args(menu,args);
}
const menu_info_t menu_info_pref = {
"Preferences menu",
"pref",
"Albeu",
"",
{
"pref_cfg",
sizeof(struct menu_priv_s),
&cfg_dflt,
cfg_fields
},
openMenu
};