mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 08:29:42 +00:00
7ff83a7181
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9381 b3059339-0415-0410-9bf9-f77b7e298cf2
195 lines
4.2 KiB
C
195 lines
4.2 KiB
C
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#include "../config.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 "img_format.h"
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#include "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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struct menu_priv_s {
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char** lines;
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int num_lines;
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int cur_line;
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int disp_lines;
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int minb;
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int hspace;
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char* file;
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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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0,
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0,
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3,
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NULL
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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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{ "minbor", ST_OFF(minb), CONF_TYPE_INT, M_OPT_MIN, 0, 0, NULL },
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{ "hspace", ST_OFF(hspace), CONF_TYPE_INT, M_OPT_MIN, 0, 0, NULL },
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{ "file", ST_OFF(file), CONF_TYPE_STRING, 0, 0, 0, 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 read_cmd(menu_t* menu,int cmd) {
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switch(cmd) {
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case MENU_CMD_UP:
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mpriv->cur_line -= mpriv->disp_lines / 2;
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if(mpriv->cur_line < 0)
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mpriv->cur_line = 0;
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break;
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case MENU_CMD_DOWN:
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case MENU_CMD_OK:
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mpriv->cur_line += mpriv->disp_lines / 2;
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if(mpriv->cur_line >= mpriv->num_lines)
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mpriv->cur_line = mpriv->num_lines - 1;
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break;
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case MENU_CMD_CANCEL:
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menu->show = 0;
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menu->cl = 1;
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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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switch (c) {
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case KEY_HOME:
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mpriv->cur_line = 0;
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break;
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case KEY_END:
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mpriv->cur_line = mpriv->num_lines - 1;
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break;
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case KEY_PAGE_UP:
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mpriv->cur_line = mpriv->cur_line > mpriv->disp_lines ?
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mpriv->cur_line - mpriv->disp_lines : 0;
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break;
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case KEY_PAGE_DOWN:
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mpriv->cur_line = mpriv->cur_line + mpriv->disp_lines > mpriv->num_lines - 1 ? mpriv->num_lines - 1 : mpriv->cur_line + mpriv->disp_lines;
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break;
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default:
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menu_dflt_read_key(menu,c);
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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 x = mpriv->minb;
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int y = mpriv->minb;
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//int th = 2*mpriv->hspace + vo_font->height;
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int i,end;
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if(x < 0) x = 8;
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if(y < 0) y = 8;
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mpriv->disp_lines = (mpi->h + mpriv->hspace - 2*mpriv->minb) / ( vo_font->height + mpriv->hspace);
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if(mpriv->num_lines - mpriv->cur_line < mpriv->disp_lines) {
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i = mpriv->num_lines - 1 - mpriv->disp_lines;
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if(i < 0) i = 0;
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end = mpriv->num_lines - 1;
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} else {
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i = mpriv->cur_line;
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end = i + mpriv->disp_lines;
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if(end >= mpriv->num_lines) end = mpriv->num_lines - 1;
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}
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for( ; i < end ; i++) {
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menu_draw_text(mpi,mpriv->lines[i],x,y);
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y += vo_font->height + mpriv->hspace;
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}
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}
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#define BUF_SIZE 1024
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static int open(menu_t* menu, char* args) {
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FILE* fd;
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char buf[BUF_SIZE];
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char *l;
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int s;
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int pos = 0, r = 0;
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args = NULL; // Warning kill
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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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if(!mpriv->file) {
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printf("Menu txt need a txt file name (param file)\n");
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return 0;
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}
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fd = fopen(mpriv->file,"r");
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if(!fd) {
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printf("Menu txt can't open: %s\n",mpriv->file);
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return 0;
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}
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while(1) {
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r = fread(buf+pos,1,BUF_SIZE-pos-1,fd);
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if(r <= 0) {
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if(pos > 0) {
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mpriv->lines = realloc(mpriv->lines,(mpriv->num_lines + 1)*sizeof(char*));
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mpriv->lines[mpriv->num_lines] = strdup(buf);
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mpriv->num_lines++;
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}
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fclose(fd);
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break;
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}
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pos += r;
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buf[pos] = '\0';
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while((l = strchr(buf,'\n')) != NULL) {
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s = l-buf;
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mpriv->lines = realloc(mpriv->lines,(mpriv->num_lines + 1)*sizeof(char*));
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mpriv->lines[mpriv->num_lines] = malloc(s+1);
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memcpy(mpriv->lines[mpriv->num_lines],buf,s);
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mpriv->lines[mpriv->num_lines][s] = '\0';
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pos -= s + 1;
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if(pos > 0)
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memmove(buf,l+1,pos);
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buf[pos] = '\0';
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mpriv->num_lines++;
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}
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if(pos >= BUF_SIZE-1) {
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printf("Warning too long line, splitting it\n");
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mpriv->lines = realloc(mpriv->lines,(mpriv->num_lines + 1)*sizeof(char*));
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mpriv->lines[mpriv->num_lines] = strdup(buf);
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mpriv->num_lines++;
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pos = 0;
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}
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}
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printf("Parsed %d lines\n",mpriv->num_lines);
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return 1;
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}
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const menu_info_t menu_info_txt = {
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"Text file viewer",
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"txt",
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"Albeu",
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"",
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{
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"txt_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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open,
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};
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