mirror of https://github.com/mpv-player/mpv
558 lines
13 KiB
C
558 lines
13 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 <fcntl.h>
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#include <unistd.h>
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#include "../libvo/osd.h"
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#include "../libvo/font_load.h"
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#include "../osdep/keycodes.h"
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#include "../asxparser.h"
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#include "../libmpdemux/stream.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "../m_option.h"
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#include "../m_struct.h"
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#include "menu.h"
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extern menu_info_t menu_info_cmdlist;
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extern menu_info_t menu_info_pt;
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extern menu_info_t menu_info_filesel;
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extern menu_info_t menu_info_txt;
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extern menu_info_t menu_info_console;
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extern menu_info_t menu_info_pref;
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#ifdef HAS_DVBIN_SUPPORT
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extern menu_info_t menu_info_dvbsel;
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#endif
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menu_info_t* menu_info_list[] = {
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&menu_info_pt,
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&menu_info_cmdlist,
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&menu_info_filesel,
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&menu_info_txt,
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&menu_info_console,
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#ifdef HAS_DVBIN_SUPPORT
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&menu_info_dvbsel,
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#endif
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&menu_info_pref,
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NULL
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};
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typedef struct menu_def_st {
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char* name;
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menu_info_t* type;
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void* cfg;
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char* args;
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} menu_def_t;
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static menu_def_t* menu_list = NULL;
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static int mcount = 0;
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static int menu_parse_config(char* buffer) {
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char *element,*body, **attribs, *name;
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menu_info_t* minfo = NULL;
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int r,i;
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ASX_Parser_t* parser = asx_parser_new();
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while(1) {
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r = asx_get_element(parser,&buffer,&element,&body,&attribs);
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if(r < 0) {
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printf("Syntax error at line %d\n",parser->line);
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asx_parser_free(parser);
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return 0;
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} else if(r == 0) {
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asx_parser_free(parser);
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return 1;
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}
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// Has it a name ?
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name = asx_get_attrib("name",attribs);
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if(!name) {
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printf("Menu definitions need a name attrib (line %d)\n",parser->line);
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free(element);
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if(body) free(body);
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asx_free_attribs(attribs);
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continue;
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}
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// Try to find this menu type in our list
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for(i = 0, minfo = NULL ; menu_info_list[i] ; i++) {
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if(strcasecmp(element,menu_info_list[i]->name) == 0) {
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minfo = menu_info_list[i];
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break;
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}
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}
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// Got it : add this to our list
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if(minfo) {
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menu_list = realloc(menu_list,(mcount+2)*sizeof(menu_def_t));
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menu_list[mcount].name = name;
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menu_list[mcount].type = minfo;
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menu_list[mcount].cfg = m_struct_alloc(&minfo->priv_st);
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menu_list[mcount].args = body;
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// Setup the attribs
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for(i = 0 ; attribs[2*i] ; i++) {
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if(strcasecmp(attribs[2*i],"name") == 0) continue;
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if(!m_struct_set(&minfo->priv_st,menu_list[mcount].cfg,attribs[2*i], attribs[2*i+1]))
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printf("Bad attrib %s=%s in menu %s at line %d\n",attribs[2*i],attribs[2*i+1],
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name,parser->line);
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}
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mcount++;
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memset(&menu_list[mcount],0,sizeof(menu_def_t));
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} else {
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printf("Unknown menu type %s at line %d\n",element,parser->line);
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free(name);
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if(body) free(body);
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}
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free(element);
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asx_free_attribs(attribs);
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}
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}
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/// This will build the menu_defs list from the cfg file
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#define BUF_STEP 1024
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#define BUF_MIN 128
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#define BUF_MAX BUF_STEP*1024
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int menu_init(char* cfg_file) {
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char* buffer = NULL;
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int bl = BUF_STEP, br = 0;
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int f, fd;
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#ifndef HAVE_FREETYPE
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if(vo_font == NULL)
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return 0;
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#endif
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fd = open(cfg_file, O_RDONLY);
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if(fd < 0) {
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printf("Can't open menu config file: %s\n",cfg_file);
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return 0;
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}
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buffer = malloc(bl);
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while(1) {
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int r;
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if(bl - br < BUF_MIN) {
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if(bl >= BUF_MAX) {
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printf("Menu config file is too big (> %d KB)\n",BUF_MAX/1024);
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close(fd);
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free(buffer);
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return 0;
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}
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bl += BUF_STEP;
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buffer = realloc(buffer,bl);
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}
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r = read(fd,buffer+br,bl-br);
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if(r == 0) break;
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br += r;
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}
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if(!br) {
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printf("Menu config file is empty\n");
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return 0;
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}
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buffer[br-1] = '\0';
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close(fd);
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f = menu_parse_config(buffer);
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free(buffer);
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return f;
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}
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// Destroy all this stuff
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void menu_unint(void) {
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int i;
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for(i = 0 ; menu_list && menu_list[i].name ; i++) {
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free(menu_list[i].name);
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m_struct_free(&menu_list[i].type->priv_st,menu_list[i].cfg);
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if(menu_list[i].args) free(menu_list[i].args);
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}
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free(menu_list);
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mcount = 0;
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}
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/// Default read_key function
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void menu_dflt_read_key(menu_t* menu,int cmd) {
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switch(cmd) {
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case KEY_UP:
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menu->read_cmd(menu,MENU_CMD_UP);
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break;
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case KEY_DOWN:
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menu->read_cmd(menu,MENU_CMD_DOWN);
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break;
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case KEY_LEFT:
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case KEY_ESC:
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menu->read_cmd(menu,MENU_CMD_CANCEL);
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break;
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case KEY_RIGHT:
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case KEY_ENTER:
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menu->read_cmd(menu,MENU_CMD_OK);
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break;
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}
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}
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menu_t* menu_open(char *name) {
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menu_t* m;
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int i;
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for(i = 0 ; menu_list[i].name != NULL ; i++) {
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if(strcmp(name,menu_list[i].name) == 0)
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break;
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}
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if(menu_list[i].name == NULL) {
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printf("Menu %s not found\n",name);
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return NULL;
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}
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m = calloc(1,sizeof(menu_t));
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m->priv_st = &(menu_list[i].type->priv_st);
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m->priv = m_struct_copy(m->priv_st,menu_list[i].cfg);
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if(menu_list[i].type->open(m,menu_list[i].args))
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return m;
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if(m->priv)
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m_struct_free(m->priv_st,m->priv);
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free(m);
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printf("Menu %s: init failed\n",name);
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return NULL;
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}
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void menu_draw(menu_t* menu,mp_image_t* mpi) {
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if(menu->show && menu->draw)
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menu->draw(menu,mpi);
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}
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void menu_read_cmd(menu_t* menu,int cmd) {
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if(menu->read_cmd)
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menu->read_cmd(menu,cmd);
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}
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void menu_close(menu_t* menu) {
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if(menu->close)
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menu->close(menu);
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if(menu->priv)
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m_struct_free(menu->priv_st,menu->priv);
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free(menu);
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}
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void menu_read_key(menu_t* menu,int cmd) {
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if(menu->read_key)
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menu->read_key(menu,cmd);
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else
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menu_dflt_read_key(menu,cmd);
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}
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///////////////////////////// Helpers ////////////////////////////////////
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typedef void (*draw_alpha_f)(int w,int h, unsigned char* src, unsigned char *srca, int srcstride, unsigned char* dstbase,int dststride);
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inline static draw_alpha_f get_draw_alpha(uint32_t fmt) {
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switch(fmt) {
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case IMGFMT_BGR15:
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case IMGFMT_RGB15:
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return vo_draw_alpha_rgb15;
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case IMGFMT_BGR16:
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case IMGFMT_RGB16:
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return vo_draw_alpha_rgb16;
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case IMGFMT_BGR24:
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case IMGFMT_RGB24:
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return vo_draw_alpha_rgb24;
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case IMGFMT_BGR32:
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case IMGFMT_RGB32:
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return vo_draw_alpha_rgb32;
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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case IMGFMT_YVU9:
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case IMGFMT_IF09:
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case IMGFMT_Y800:
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case IMGFMT_Y8:
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return vo_draw_alpha_yv12;
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case IMGFMT_YUY2:
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return vo_draw_alpha_yuy2;
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}
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return NULL;
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}
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// return the real height of a char:
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static inline int get_height(int c,int h){
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int font;
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if ((font=vo_font->font[c])>=0)
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if(h<vo_font->pic_a[font]->h) h=vo_font->pic_a[font]->h;
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return h;
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}
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#ifdef HAVE_FREETYPE
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#define render_txt(t) { char* p = t; while(*p) render_one_glyph(vo_font,*p++); }
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#else
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#define render_txt(t)
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#endif
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void menu_draw_text(mp_image_t* mpi,char* txt, int x, int y) {
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draw_alpha_f draw_alpha = get_draw_alpha(mpi->imgfmt);
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int font;
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if(!draw_alpha) {
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printf("Unsupported outformat !!!!\n");
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return;
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}
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render_txt(txt);
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while (*txt) {
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unsigned char c=*txt++;
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if ((font=vo_font->font[c])>=0 && (x + vo_font->width[c] <= mpi->w) && (y + vo_font->pic_a[font]->h <= mpi->h))
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draw_alpha(vo_font->width[c], vo_font->pic_a[font]->h,
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vo_font->pic_b[font]->bmp+vo_font->start[c],
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vo_font->pic_a[font]->bmp+vo_font->start[c],
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vo_font->pic_a[font]->w,
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mpi->planes[0] + y * mpi->stride[0] + x * (mpi->bpp>>3),
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mpi->stride[0]);
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x+=vo_font->width[c]+vo_font->charspace;
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}
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}
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void menu_draw_text_full(mp_image_t* mpi,char* txt,
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int x, int y,int w, int h,
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int vspace, int warp, int align, int anchor) {
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int need_w,need_h;
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int sy, ymin, ymax;
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int sx, xmin, xmax, xmid, xrmin;
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int ll = 0;
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int font;
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draw_alpha_f draw_alpha = get_draw_alpha(mpi->imgfmt);
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if(!draw_alpha) {
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printf("Unsupported outformat !!!!\n");
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return;
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}
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render_txt(txt);
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if(x > mpi->w || y > mpi->h)
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return;
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if(anchor & MENU_TEXT_VCENTER) {
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if(h <= 0) h = mpi->h;
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ymin = y - h/2;
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ymax = y + h/2;
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} else if(anchor & MENU_TEXT_BOT) {
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if(h <= 0) h = mpi->h - y;
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ymin = y - h;
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ymax = y;
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} else {
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if(h <= 0) h = mpi->h - y;
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ymin = y;
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ymax = y + h;
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}
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if(anchor & MENU_TEXT_HCENTER) {
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if(w <= 0) w = mpi->w;
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xmin = x - w/2;
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xmax = x + w/2;
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} else if(anchor & MENU_TEXT_RIGHT) {
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if(w <= 0) w = mpi->w -x;
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xmin = x - w;
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xmax = x;
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} else {
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if(w <= 0) w = mpi->w -x;
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xmin = x;
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xmax = x + w;
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}
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// How many space do we need to draw this ?
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menu_text_size(txt,w,vspace,warp,&need_w,&need_h);
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// Find the first line
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if(align & MENU_TEXT_VCENTER)
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sy = ymin + ((h - need_h)/2);
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else if(align & MENU_TEXT_BOT)
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sy = ymax - need_h - 1;
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else
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sy = y;
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#if 0
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// Find the first col
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if(align & MENU_TEXT_HCENTER)
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sx = xmin + ((w - need_w)/2);
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else if(align & MENU_TEXT_RIGHT)
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sx = xmax - need_w;
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#endif
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xmid = xmin + (xmax - xmin) / 2;
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xrmin = xmin;
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// Clamp the bb to the mpi size
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if(ymin < 0) ymin = 0;
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if(xmin < 0) xmin = 0;
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if(ymax > mpi->h) ymax = mpi->h;
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if(xmax > mpi->w) xmax = mpi->w;
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// Jump some the beginnig text if needed
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while(sy < ymin && *txt) {
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unsigned char c=*txt++;
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if(c == '\n' || (warp && ll + vo_font->width[c] > w)) {
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ll = 0;
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sy += vo_font->height + vspace;
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if(c == '\n') continue;
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}
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ll += vo_font->width[c]+vo_font->charspace;
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}
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if(*txt == '\0') // Nothing left to draw
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return;
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while(sy < ymax && *txt) {
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char* line_end = NULL;
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int n;
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if(txt[0] == '\n') { // New line
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sy += vo_font->height + vspace;
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txt++;
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continue;
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}
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// Get the length and end of this line
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for(n = 0, ll = 0 ; txt[n] != '\0' && txt[n] != '\n' ; n++) {
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unsigned char c = txt[n];
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if(warp && ll + vo_font->width[c] > w) break;
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ll += vo_font->width[c]+vo_font->charspace;
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}
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line_end = &txt[n];
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ll -= vo_font->charspace;
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if(align & (MENU_TEXT_HCENTER|MENU_TEXT_RIGHT)) {
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// Too long line
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if(ll > xmax-xmin) {
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if(align & MENU_TEXT_HCENTER) {
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int mid = ll/2;
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// Find the middle point
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for(n--, ll = 0 ; n <= 0 ; n--) {
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ll += vo_font->width[(int)txt[n]]+vo_font->charspace;
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if(ll - vo_font->charspace > mid) break;
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}
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ll -= vo_font->charspace;
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sx = xmid + mid - ll;
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} else// MENU_TEXT_RIGHT)
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sx = xmax + vo_font->charspace;
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// We are after the start point -> go back
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if(sx > xmin) {
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for(n-- ; n <= 0 ; n--) {
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unsigned char c = txt[n];
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if(sx - vo_font->width[c] - vo_font->charspace < xmin) break;
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sx -= vo_font->width[c]+vo_font->charspace;
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}
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} else { // We are before the start point -> go forward
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for( ; sx < xmin && (&txt[n]) != line_end ; n++) {
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unsigned char c = txt[n];
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sx += vo_font->width[c]+vo_font->charspace;
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}
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}
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txt = &txt[n]; // Jump to the new start char
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} else {
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if(align & MENU_TEXT_HCENTER)
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sx = xmid - ll/2;
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else
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sx = xmax - 1 - ll;
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}
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} else {
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for(sx = xrmin ; sx < xmin && txt != line_end ; txt++) {
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unsigned char c = txt[n];
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sx += vo_font->width[c]+vo_font->charspace;
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}
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}
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while(sx < xmax && txt != line_end) {
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unsigned char c = *txt++;
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font = vo_font->font[c];
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if(font >= 0) {
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int cs = (vo_font->pic_a[font]->h - vo_font->height) / 2;
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if ((sx + vo_font->width[c] < xmax) && (sy + vo_font->height < ymax) )
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draw_alpha(vo_font->width[c], vo_font->height,
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vo_font->pic_b[font]->bmp+vo_font->start[c] +
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cs * vo_font->pic_a[font]->w,
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vo_font->pic_a[font]->bmp+vo_font->start[c] +
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cs * vo_font->pic_a[font]->w,
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vo_font->pic_a[font]->w,
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mpi->planes[0] + sy * mpi->stride[0] + sx * (mpi->bpp>>3),
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mpi->stride[0]);
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// else
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//printf("Can't draw '%c'\n",c);
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}
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sx+=vo_font->width[c]+vo_font->charspace;
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}
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txt = line_end;
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if(txt[0] == '\0') break;
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sy += vo_font->height + vspace;
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}
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}
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int menu_text_length(char* txt) {
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int l = 0;
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render_txt(txt);
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while (*txt) {
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unsigned char c=*txt++;
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l += vo_font->width[c]+vo_font->charspace;
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}
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return l - vo_font->charspace;
|
|
}
|
|
|
|
void menu_text_size(char* txt,int max_width, int vspace, int warp, int* _w, int* _h) {
|
|
int l = 1, i = 0;
|
|
int w = 0;
|
|
|
|
render_txt(txt);
|
|
while (*txt) {
|
|
unsigned char c=*txt++;
|
|
if(c == '\n' || (warp && i + vo_font->width[c] >= max_width)) {
|
|
if(*txt)
|
|
l++;
|
|
i = 0;
|
|
if(c == '\n') continue;
|
|
}
|
|
i += vo_font->width[c]+vo_font->charspace;
|
|
if(i > w) w = i;
|
|
}
|
|
|
|
*_w = w;
|
|
*_h = (l-1) * (vo_font->height + vspace) + vo_font->height;
|
|
}
|
|
|
|
|
|
int menu_text_num_lines(char* txt, int max_width) {
|
|
int l = 1, i = 0;
|
|
render_txt(txt);
|
|
while (*txt) {
|
|
unsigned char c=*txt++;
|
|
if(c == '\n' || i + vo_font->width[c] > max_width) {
|
|
l++;
|
|
i = 0;
|
|
if(c == '\n') continue;
|
|
}
|
|
i += vo_font->width[c]+vo_font->charspace;
|
|
}
|
|
return l;
|
|
}
|
|
|
|
char* menu_text_get_next_line(char* txt, int max_width) {
|
|
int i = 0;
|
|
render_txt(txt);
|
|
while (*txt) {
|
|
unsigned char c=*txt;
|
|
if(c == '\n') {
|
|
txt++;
|
|
break;
|
|
}
|
|
i += vo_font->width[c];
|
|
if(i >= max_width)
|
|
break;
|
|
i += vo_font->charspace;
|
|
}
|
|
return txt;
|
|
}
|