mirror of https://github.com/mpv-player/mpv
482 lines
12 KiB
C
482 lines
12 KiB
C
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#include "config.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#ifndef __MINGW32__
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#include <sys/wait.h>
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#endif
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#include <unistd.h>
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#include <errno.h>
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#include "libmpcodecs/img_format.h"
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#include "libmpcodecs/mp_image.h"
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#include "m_struct.h"
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#include "m_option.h"
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#include "menu.h"
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#include "libvo/font_load.h"
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#include "osdep/keycodes.h"
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#include "input/input.h"
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#include "osdep/timer.h"
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typedef struct history_st history_t;
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struct history_st {
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char* buffer;
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int size;
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history_t* next;
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history_t* prev;
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};
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struct menu_priv_s {
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char** lines; // Our buffer
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int last_line;
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int num_lines;
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int add_line;
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unsigned int hide_ts;
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unsigned int show_ts;
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pid_t child; // Child process if we are running a shell cmd
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int child_fd[3]; // The 3 default fd
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char* prompt;
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//int max_lines; // Max number of lines with the last mpi
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history_t* history;
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history_t* cur_history;
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int history_size;
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char* mp_prompt;
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char* child_prompt;
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int buf_lines; // Buffer size (in line)
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int height; // Display size in %
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int minb;
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int vspace;
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int bg,bg_alpha;
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unsigned int hide_time;
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unsigned int show_time;
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int history_max;
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int raw_child;
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};
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static struct menu_priv_s cfg_dflt = {
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NULL,
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0,
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0,
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1,
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0,
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0,
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0,
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{ 0 , 0, 0 },
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NULL,
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NULL,
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NULL,
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0,
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"# ",
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"$ ",
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50, // lines
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33, // %
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3,
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3,
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0x80,0x40,
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500,
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500,
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10,
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0
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};
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#define ST_OFF(m) M_ST_OFF(struct menu_priv_s,m)
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static m_option_t cfg_fields[] = {
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{ "prompt", ST_OFF(mp_prompt), CONF_TYPE_STRING, M_OPT_MIN, 1, 0, NULL },
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{ "child-prompt", ST_OFF(child_prompt), CONF_TYPE_STRING, M_OPT_MIN, 1, 0, NULL },
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{ "buffer-lines", ST_OFF(buf_lines), CONF_TYPE_INT, M_OPT_MIN, 5, 0, NULL },
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{ "height", ST_OFF(height), CONF_TYPE_INT, M_OPT_RANGE, 1, 100, NULL },
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{ "minbor", ST_OFF(minb), CONF_TYPE_INT, M_OPT_MIN, 0, 0, NULL },
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{ "vspace", ST_OFF(vspace), CONF_TYPE_INT, M_OPT_MIN, 0, 0, NULL },
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{ "bg", ST_OFF(bg), CONF_TYPE_INT, M_OPT_RANGE, -1, 255, NULL },
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{ "bg-alpha", ST_OFF(bg_alpha), CONF_TYPE_INT, M_OPT_RANGE, 0, 255, NULL },
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{ "show-time",ST_OFF(show_time), CONF_TYPE_INT, M_OPT_MIN, 0, 0, NULL },
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{ "hide-time",ST_OFF(hide_time), CONF_TYPE_INT, M_OPT_MIN, 0, 0, NULL },
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{ "history-size",ST_OFF(history_max), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL },
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{ "raw-child", ST_OFF(raw_child), CONF_TYPE_FLAG, 0, 0, 1, NULL },
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{ NULL, NULL, NULL, 0,0,0,NULL }
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};
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#define mpriv (menu->priv)
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static void check_child(menu_t* menu);
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static void add_line(struct menu_priv_s* priv, char* l) {
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char* eol = strchr(l,'\n');
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if(eol) {
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if(eol != l) {
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eol[0] = '\0';
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add_line(priv,l);
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}
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if(eol[1]) add_line(priv,eol+1);
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return;
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}
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if(priv->num_lines >= priv->buf_lines && priv->lines[priv->last_line])
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free(priv->lines[priv->last_line]);
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else
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priv->num_lines++;
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priv->lines[priv->last_line] = strdup(l);
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priv->last_line = (priv->last_line + 1) % priv->buf_lines;
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priv->add_line = 1;
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}
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static void add_string(struct menu_priv_s* priv, char* l) {
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char* eol = strchr(l,'\n');
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int ll = priv->last_line > 0 ? priv->last_line - 1 : priv->buf_lines-1;
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if(priv->num_lines <= 0 || priv->add_line || eol == l) {
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add_line(priv,l);
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priv->add_line = 0;
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return;
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}
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if(eol) {
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eol[0] = '\0';
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add_string(priv,l);
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if(eol[1]) {
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add_line(priv,eol+1);
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priv->add_line = 0;
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} else
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priv->add_line = 1;
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return;
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}
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priv->lines[ll] = realloc(priv->lines[ll],strlen(priv->lines[ll]) + strlen(l) + 1);
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if ( priv->lines[ll] != NULL )
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{
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strcat(priv->lines[ll],l);
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}
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}
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static void draw(menu_t* menu, mp_image_t* mpi) {
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int h = mpi->h*mpriv->height/100;
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int w = mpi->w - 2* mpriv->minb;
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int x = mpriv->minb, y;
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int lw,lh,i, ll;
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if(mpriv->child) check_child(menu);
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ll = mpriv->last_line - 1;
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if(mpriv->hide_ts) {
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unsigned int t = GetTimerMS() - mpriv->hide_ts;
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if(t >= mpriv->hide_time) {
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mpriv->hide_ts = 0;
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menu->show = 0;
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return;
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}
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h = mpi->h*(mpriv->height - (mpriv->height * t /mpriv->hide_time))/100;
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} else if(mpriv->show_time && mpriv->show_ts == 0) {
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mpriv->show_ts = GetTimerMS();
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return;
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} else if(mpriv->show_ts > 0) {
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unsigned int t = GetTimerMS() - mpriv->show_ts;
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if(t > mpriv->show_time)
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mpriv->show_ts = -1;
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else
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h = mpi->h*(mpriv->height * t /mpriv->hide_time)/100;
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}
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y = h - mpriv->vspace;
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if(x < 0 || y < 0 || w <= 0 || h <= 0 )
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return;
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if(mpriv->bg >= 0)
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menu_draw_box(mpi,mpriv->bg,mpriv->bg_alpha,0,0,mpi->w,h);
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if(!mpriv->child || !mpriv->raw_child){
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char input[strlen(mpriv->cur_history->buffer) + strlen(mpriv->prompt) + 1];
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sprintf(input,"%s%s",mpriv->prompt,mpriv->cur_history->buffer);
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menu_text_size(input,w,mpriv->vspace,1,&lw,&lh);
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menu_draw_text_full(mpi,input,x,y,w,h,mpriv->vspace,1,
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MENU_TEXT_BOT|MENU_TEXT_LEFT,
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MENU_TEXT_BOT|MENU_TEXT_LEFT);
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y -= lh + mpriv->vspace;
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}
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for( i = 0 ; y > mpriv->minb && i < mpriv->num_lines ; i++){
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int c = (ll - i) >= 0 ? ll - i : mpriv->buf_lines + ll - i;
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menu_text_size(mpriv->lines[c],w,mpriv->vspace,1,&lw,&lh);
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menu_draw_text_full(mpi,mpriv->lines[c],x,y,w,h,mpriv->vspace,1,
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MENU_TEXT_BOT|MENU_TEXT_LEFT,
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MENU_TEXT_BOT|MENU_TEXT_LEFT);
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y -= lh + mpriv->vspace;
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}
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return;
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}
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static void check_child(menu_t* menu) {
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#ifndef __MINGW32__
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fd_set rfd;
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struct timeval tv;
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int max_fd = mpriv->child_fd[2] > mpriv->child_fd[1] ? mpriv->child_fd[2] :
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mpriv->child_fd[1];
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int i,r,child_status,w;
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char buffer[256];
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if(!mpriv->child) return;
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memset(&tv,0,sizeof(struct timeval));
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FD_ZERO(&rfd);
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FD_SET(mpriv->child_fd[1],&rfd);
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FD_SET(mpriv->child_fd[2],&rfd);
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r = select(max_fd+1,&rfd, NULL, NULL, &tv);
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if(r == 0) {
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r = waitpid(mpriv->child,&child_status,WNOHANG);
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if(r < 0){
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if(errno==ECHILD){ ///exiting children get handled in mplayer.c
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for(i = 0 ; i < 3 ; i++)
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close(mpriv->child_fd[i]);
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mpriv->child = 0;
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mpriv->prompt = mpriv->mp_prompt;
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//add_line(mpriv,"Child process exited");
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}
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else mp_msg(MSGT_GLOBAL,MSGL_ERR,MSGTR_LIBMENU_WaitPidError,strerror(errno));
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}
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} else if(r < 0) {
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mp_msg(MSGT_GLOBAL,MSGL_ERR,MSGTR_LIBMENU_SelectError);
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return;
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}
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w = 0;
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for(i = 1 ; i < 3 ; i++) {
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if(FD_ISSET(mpriv->child_fd[i],&rfd)){
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if(w) mpriv->add_line = 1;
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r = read(mpriv->child_fd[i],buffer,255);
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if(r < 0)
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mp_msg(MSGT_GLOBAL,MSGL_ERR,MSGTR_LIBMENU_ReadErrorOnChildFD, i == 1 ? "stdout":"stderr");
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else if(r>0) {
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buffer[r] = '\0';
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add_string(mpriv,buffer);
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}
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w = 1;
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}
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}
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#endif
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}
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#define close_pipe(pipe) close(pipe[0]); close(pipe[1])
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static int run_shell_cmd(menu_t* menu, char* cmd) {
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#ifndef __MINGW32__
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int in[2],out[2],err[2];
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mp_msg(MSGT_GLOBAL,MSGL_INFO,MSGTR_LIBMENU_ConsoleRun,cmd);
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if(mpriv->child) {
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mp_msg(MSGT_GLOBAL,MSGL_ERR,MSGTR_LIBMENU_AChildIsAlreadyRunning);
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return 0;
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}
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pipe(in);
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pipe(out);
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pipe(err);
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mpriv->child = fork();
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if(mpriv->child < 0) {
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mp_msg(MSGT_GLOBAL,MSGL_ERR,MSGTR_LIBMENU_ForkFailed);
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close_pipe(in);
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close_pipe(out);
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close_pipe(err);
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return 0;
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}
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if(!mpriv->child) { // Chlid process
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int err_fd = dup(2);
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FILE* errf = fdopen(err_fd,"w");
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// Bind the std fd to our pipes
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dup2(in[0],0);
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dup2(out[1],1);
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dup2(err[1],2);
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execl("/bin/sh","sh","-c",cmd,(void*)NULL);
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fprintf(errf,"exec failed : %s\n",strerror(errno));
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exit(1);
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}
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// MPlayer
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mpriv->child_fd[0] = in[1];
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mpriv->child_fd[1] = out[0];
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mpriv->child_fd[2] = err[0];
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mpriv->prompt = mpriv->child_prompt;
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//add_line(mpriv,"Child process started");
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#endif
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return 1;
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}
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static void enter_cmd(menu_t* menu) {
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history_t* h;
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char input[strlen(mpriv->cur_history->buffer) + strlen(mpriv->prompt) + 1];
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sprintf(input,"%s%s",mpriv->prompt,mpriv->cur_history->buffer);
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add_line(mpriv,input);
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if(mpriv->history == mpriv->cur_history) {
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if(mpriv->history_size >= mpriv->history_max) {
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history_t* i;
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for(i = mpriv->history ; i->prev ; i = i->prev)
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/**/;
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i->next->prev = NULL;
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free(i->buffer);
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free(i);
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} else
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mpriv->history_size++;
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h = calloc(1,sizeof(history_t));
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h->size = 255;
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h->buffer = calloc(h->size,1);
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h->prev = mpriv->history;
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mpriv->history->next = h;
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mpriv->history = h;
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} else
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mpriv->history->buffer[0] = '\0';
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mpriv->cur_history = mpriv->history;
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//mpriv->input = mpriv->cur_history->buffer;
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}
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static void read_cmd(menu_t* menu,int cmd) {
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switch(cmd) {
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case MENU_CMD_CANCEL:
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if(mpriv->hide_time)
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mpriv->hide_ts = GetTimerMS();
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else
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menu->show = 0;
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mpriv->show_ts = 0;
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return;
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case MENU_CMD_OK: {
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mp_cmd_t* c;
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if(mpriv->child) {
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char *str = mpriv->cur_history->buffer;
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int l = strlen(str);
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while(l > 0) {
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int w = write(mpriv->child_fd[0],str,l);
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if(w < 0) {
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mp_msg(MSGT_GLOBAL,MSGL_ERR,MSGTR_LIBMENU_WriteError);
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break;
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}
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l -= w;
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str += w;
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}
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if(write(mpriv->child_fd[0],"\n",1) < 0)
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mp_msg(MSGT_GLOBAL,MSGL_ERR,MSGTR_LIBMENU_WriteError);
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enter_cmd(menu);
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return;
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}
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c = mp_input_parse_cmd(mpriv->cur_history->buffer);
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enter_cmd(menu);
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if(!c)
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add_line(mpriv,"Invalid command try help");
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else {
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switch(c->id) {
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case MP_CMD_CHELP:
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add_line(mpriv,"MPlayer console 0.01");
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add_line(mpriv,"TODO: meaningful help message ;)");
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add_line(mpriv,"Enter any slave command");
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add_line(mpriv,"exit close this console");
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break;
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case MP_CMD_CEXIT:
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menu->show = 0;
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menu->cl = 1;
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break;
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case MP_CMD_CHIDE:
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if(mpriv->hide_time)
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mpriv->hide_ts = GetTimerMS();
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else
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menu->show = 0;
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mpriv->show_ts = 0;
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break;
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case MP_CMD_RUN:
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run_shell_cmd(menu,c->args[0].v.s);
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break;
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default: // Send the other commands to mplayer
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mp_input_queue_cmd(c);
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}
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}
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return;
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}
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case MENU_CMD_UP:
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if(mpriv->cur_history->prev)
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mpriv->cur_history = mpriv->cur_history->prev;
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break;
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case MENU_CMD_DOWN:
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if(mpriv->cur_history->next)
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mpriv->cur_history = mpriv->cur_history->next;
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break;
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}
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}
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static void read_key(menu_t* menu,int c) {
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if(mpriv->child && mpriv->raw_child) {
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write(mpriv->child_fd[0],&c,sizeof(int));
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return;
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}
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if (c == KEY_DELETE || c == KEY_BS) {
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unsigned int i = strlen(mpriv->cur_history->buffer);
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if(i > 0)
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mpriv->cur_history->buffer[i-1] = '\0';
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return;
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}
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if (menu_dflt_read_key(menu, c))
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return;
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if(isascii(c)) {
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int l = strlen(mpriv->cur_history->buffer);
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if(l >= mpriv->cur_history->size) {
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mpriv->cur_history->size += 255;
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mpriv->cur_history->buffer = realloc(mpriv->cur_history,mpriv->cur_history->size);
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}
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mpriv->cur_history->buffer[l] = (char)c;
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mpriv->cur_history->buffer[l+1] = '\0';
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}
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return;
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}
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static int openMenu(menu_t* menu, char* args) {
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menu->draw = draw;
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menu->read_cmd = read_cmd;
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menu->read_key = read_key;
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mpriv->lines = calloc(mpriv->buf_lines,sizeof(char*));
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mpriv->prompt = mpriv->mp_prompt;
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mpriv->cur_history = mpriv->history = calloc(1,sizeof(history_t));
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mpriv->cur_history->buffer = calloc(255,1);
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mpriv->cur_history->size = 255;
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if(args)
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add_line(mpriv,args);
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return 1;
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}
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const menu_info_t menu_info_console = {
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"MPlayer console",
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"console",
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"Albeu",
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"",
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{
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"console_cfg",
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sizeof(struct menu_priv_s),
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&cfg_dflt,
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cfg_fields
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},
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openMenu,
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};
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