mpv/libmenu/menu_filesel.c

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C
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#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 <unistd.h>
#include <limits.h>
#include "../config.h"
#include "../m_struct.h"
#include "../m_option.h"
#include "img_format.h"
#include "mp_image.h"
#include "menu.h"
#include "menu_list.h"
#include "../input/input.h"
#include "../osdep/keycodes.h"
struct list_entry_s {
struct list_entry p;
int d;
};
struct menu_priv_s {
menu_list_priv_t p;
char* dir; // current dir
/// Cfg fields
char* path;
char* title;
char* file_action;
char* dir_action;
int auto_close;
};
static struct menu_priv_s cfg_dflt = {
MENU_LIST_PRIV_DFLT,
NULL,
NULL,
"Select a file: %p",
"loadfile '%p'",
NULL,
0
};
#define ST_OFF(m) M_ST_OFF(struct menu_priv_s,m)
static m_option_t cfg_fields[] = {
MENU_LIST_PRIV_FIELDS,
{ "path", ST_OFF(path), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "title", ST_OFF(title), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "file-action", ST_OFF(file_action), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "dir-action", ST_OFF(dir_action), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "auto-close", ST_OFF(auto_close), CONF_TYPE_FLAG, 0, 0, 1, NULL },
{ NULL, NULL, NULL, 0,0,0,NULL }
};
#define mpriv (menu->priv)
static void free_entry(list_entry_t* entry) {
free(entry->p.txt);
free(entry);
}
static char* replace_path(char* title , char* dir) {
char *p = strstr(title,"%p");
if(p) {
int tl = strlen(title);
int dl = strlen(dir);
int t1l = p-title;
int l = tl - 2 + dl;
char *r, *n, *d = dir;
char term = *(p-1);
do {
if (*d == '\\' || *d == term)
l++;
} while (*d++);
r = malloc(l + 1);
n = r + t1l;
memcpy(r,title,t1l);
do {
if (*dir == '\\' || *dir == term)
*n++ = '\\';
} while ((*n++ = *dir++));
if(tl - t1l - 2 > 0)
strcpy(n-1,p+2);
return r;
} else
return title;
}
typedef int (*kill_warn)(const void*, const void*);
static int mylstat(char *dir, char *file,struct stat* st) {
int l = strlen(dir) + strlen(file);
char s[l+2];
sprintf(s,"%s/%s",dir,file);
return stat(s,st);
}
static int compare(char **a, char **b){
if((*a)[strlen(*a) - 1] == '/') {
if((*b)[strlen(*b) - 1] == '/')
return strcmp(*b, *a) ;
else
return 1;
} else {
if((*b)[strlen(*b) - 1] == '/')
return -1;
else
return strcmp(*b, *a);
}
}
static int open_dir(menu_t* menu,char* args) {
char **namelist, **tp;
struct dirent *dp;
struct stat st;
int n;
char* p = NULL;
list_entry_t* e;
DIR* dirp;
menu_list_init(menu);
if(mpriv->dir)
free(mpriv->dir);
mpriv->dir = strdup(args);
if(mpriv->p.title && mpriv->p.title != mpriv->title && mpriv->p.title != cfg_dflt.p.title)
free(mpriv->p.title);
p = strstr(mpriv->title,"%p");
mpriv->p.title = replace_path(mpriv->title,mpriv->dir);
if ((dirp = opendir (mpriv->dir)) == NULL){
printf("opendir error: %s", strerror(errno));
return 0;
}
namelist = (char **) malloc(sizeof(char *));
n=0;
while ((dp = readdir(dirp)) != NULL) {
if(dp->d_name[0] == '.' && strcmp(dp->d_name,"..") != 0)
continue;
if(n%20 == 0){ // Get some more mem
if((tp = (char **) realloc(namelist, (n+20) * sizeof (char *)))
== NULL) {
printf("realloc error: %s", strerror(errno));
n--;
goto bailout;
}
namelist=tp;
}
namelist[n] = (char *) malloc(strlen(dp->d_name) + 2);
if(namelist[n] == NULL){
printf("malloc error: %s", strerror(errno));
n--;
goto bailout;
}
strcpy(namelist[n], dp->d_name);
mylstat(args,namelist[n],&st);
if(S_ISDIR(st.st_mode))
strcat(namelist[n], "/");
n++;
}
bailout:
closedir(dirp);
qsort(namelist, n, sizeof(char *), (kill_warn)compare);
if (n < 0) {
printf("readdir error: %s\n",strerror(errno));
return 0;
}
while(n--) {
if((e = calloc(1,sizeof(list_entry_t))) != NULL){
e->p.next = NULL;
e->p.txt = strdup(namelist[n]);
if(strchr(namelist[n], '/') != NULL)
e->d = 1;
menu_list_add_entry(menu,e);
}else{
printf("malloc error: %s", strerror(errno));
}
free(namelist[n]);
}
free(namelist);
return 1;
}
static void read_cmd(menu_t* menu,int cmd) {
mp_cmd_t* c = NULL;
switch(cmd) {
case MENU_CMD_OK: {
// Directory
if(mpriv->p.current->d) {
if(mpriv->dir_action) {
int fname_len = strlen(mpriv->dir) + strlen(mpriv->p.current->p.txt) + 1;
char filename[fname_len];
char* str;
sprintf(filename,"%s%s",mpriv->dir,mpriv->p.current->p.txt);
str = replace_path(mpriv->dir_action,filename);
c = mp_input_parse_cmd(str);
if(str != mpriv->dir_action)
free(str);
} else { // Default action : open this dirctory ourself
int l = strlen(mpriv->dir);
char *slash = NULL, *p = NULL;
if(strcmp(mpriv->p.current->p.txt,"../") == 0) {
if(l <= 1) break;
mpriv->dir[l-1] = '\0';
slash = strrchr(mpriv->dir,'/');
if(!slash) break;
slash[1] = '\0';
p = strdup(mpriv->dir);
} else {
p = malloc(l + strlen(mpriv->p.current->p.txt) + 1);
sprintf(p,"%s%s",mpriv->dir,mpriv->p.current->p.txt);
}
menu_list_uninit(menu,free_entry);
if(!open_dir(menu,p)) {
printf("Can't open directory %s\n",p);
menu->cl = 1;
}
free(p);
}
} else { // Files
int fname_len = strlen(mpriv->dir) + strlen(mpriv->p.current->p.txt) + 1;
char filename[fname_len];
char *str;
sprintf(filename,"%s%s",mpriv->dir,mpriv->p.current->p.txt);
str = replace_path(mpriv->file_action,filename);
c = mp_input_parse_cmd(str);
if(str != mpriv->file_action)
free(str);
}
if(c) {
mp_input_queue_cmd(c);
if(mpriv->auto_close)
menu->cl = 1;
}
} break;
default:
menu_list_read_cmd(menu,cmd);
}
}
static void read_key(menu_t* menu,int c){
if(c == KEY_BS) {
mpriv->p.current = mpriv->p.menu; // Hack : we consider that the first entry is ../
read_cmd(menu,MENU_CMD_OK);
} else
menu_list_read_key(menu,c,1);
}
static void clos(menu_t* menu) {
menu_list_uninit(menu,free_entry);
free(mpriv->dir);
}
static int open_fs(menu_t* menu, char* args) {
char *path = mpriv->path;
int r = 0;
char wd[PATH_MAX+1];
args = NULL; // Warning kill
menu->draw = menu_list_draw;
menu->read_cmd = read_cmd;
menu->read_key = read_key;
menu->close = clos;
getcwd(wd,PATH_MAX);
if(!path || path[0] == '\0') {
int l = strlen(wd) + 2;
char b[l];
sprintf(b,"%s/",wd);
r = open_dir(menu,b);
} else if(path[0] != '/') {
int al = strlen(path);
int l = strlen(wd) + al + 3;
char b[l];
if(b[al-1] != '/')
sprintf(b,"%s/%s/",wd,path);
else
sprintf(b,"%s/%s",wd,path);
r = open_dir(menu,b);
} else
r = open_dir(menu,path);
return r;
}
const menu_info_t menu_info_filesel = {
"File seletor menu",
"filesel",
"Albeu",
"",
{
"fs_cfg",
sizeof(struct menu_priv_s),
&cfg_dflt,
cfg_fields
},
open_fs
};