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#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef PLATFORM_LINUX
#include <unistd.h>
#endif
#define CONFIG_FILENAME "study-player.cfg"
#define MAX_LINE 256
static void set_defaults(UILayout *layout)
{
layout->titleY = 60.0f;
layout->titleX = 1920.0f / 2.0f;
layout->barY = 460.0f;
layout->barHeight = 50.0f;
layout->barWidth = 1920.0f * 0.65f;
layout->btnRadius = 55.0f;
layout->helpY = 1080.0f - 80.0f;
layout->helpX = 40.0f;
layout->btnCenterX = 1920.0f / 2.0f;
layout->barX = (1920.0f - layout->barWidth) / 2.0f;
layout->statusY = layout->barY + layout->barHeight + 30.0f;
layout->statusX = 1920.0f / 2.0f;
layout->btnY = layout->statusY + 120.0f + 55.0f;
layout->smartPlayY = 1080.0f - 80.0f - 120.0f;
layout->smartPlayX = 1920.0f / 2.0f - 100.0f;
layout->secNavY = layout->btnY + 55.0f + 80.0f + 30.0f;
layout->secNavX = 1920.0f / 2.0f;
}
static void chomp(char *line)
{
size_t len = strlen(line);
while (len > 0 && (line[len - 1] == '\n' || line[len - 1] == '\r'))
line[--len] = '\0';
}
static const char *dirname_of(const char *path, char *buf, size_t bufsize)
{
const char *lastSep = NULL;
for (const char *p = path; *p; p++)
if (*p == '/') lastSep = p;
if (!lastSep)
{
buf[0] = '.';
buf[1] = '\0';
return buf;
}
size_t dirlen = (size_t)(lastSep - path);
if (dirlen >= bufsize) dirlen = bufsize - 1;
memcpy(buf, path, dirlen);
buf[dirlen] = '\0';
return buf;
}
static void build_config_path(const char *exePath, char *out, size_t outSize)
{
char dir[512];
dirname_of(exePath, dir, sizeof(dir));
snprintf(out, outSize, "%s/%s", dir, CONFIG_FILENAME);
}
static float parse_float(const char *s)
{
char *end;
float val = strtof(s, &end);
if (end == s) return -1.0f;
return val;
}
static int parse_config(const char *path, UILayout *layout)
{
FILE *fp = fopen(path, "r");
if (!fp) return 0;
char line[MAX_LINE];
int loaded = 0;
while (fgets(line, sizeof(line), fp))
{
chomp(line);
if (line[0] == '#' || line[0] == '\0')
continue;
char *eq = strchr(line, '=');
if (!eq) continue;
*eq = '\0';
const char *key = line;
const char *val = eq + 1;
float f = parse_float(val);
if (f < 0.0f) continue;
if (strcmp(key, "title_y") == 0) layout->titleY = f;
else if (strcmp(key, "title_x") == 0) layout->titleX = f;
else if (strcmp(key, "bar_y") == 0) layout->barY = f;
else if (strcmp(key, "bar_height") == 0) layout->barHeight = f;
else if (strcmp(key, "bar_width") == 0) layout->barWidth = f;
else if (strcmp(key, "btn_radius") == 0) layout->btnRadius = f;
else if (strcmp(key, "help_y") == 0) layout->helpY = f;
else if (strcmp(key, "help_x") == 0) layout->helpX = f;
else if (strcmp(key, "status_x") == 0) layout->statusX = f;
else if (strcmp(key, "btn_y") == 0) layout->btnY = f;
else if (strcmp(key, "btn_center_x") == 0) layout->btnCenterX = f;
else if (strcmp(key, "smart_play_y") == 0) layout->smartPlayY = f;
else if (strcmp(key, "smart_play_x") == 0) layout->smartPlayX = f;
else if (strcmp(key, "sec_nav_y") == 0) layout->secNavY = f;
else if (strcmp(key, "sec_nav_x") == 0) layout->secNavX = f;
loaded = 1;
}
fclose(fp);
layout->barX = (1920.0f - layout->barWidth) / 2.0f;
layout->statusY = layout->barY + layout->barHeight + 30.0f;
return loaded;
}
int config_load(const char *exePath, UILayout *layout)
{
set_defaults(layout);
char cfgPath[1024];
build_config_path(exePath, cfgPath, sizeof(cfgPath));
int loaded = parse_config(cfgPath, layout);
layout->barX = (1920.0f - layout->barWidth) / 2.0f;
layout->statusY = layout->barY + layout->barHeight + 30.0f;
return loaded;
}
int config_save(const char *exePath, const UILayout *layout)
{
char cfgPath[1024];
build_config_path(exePath, cfgPath, sizeof(cfgPath));
FILE *fp = fopen(cfgPath, "w");
if (!fp) return 0;
fprintf(fp, "# Study Player layout config\n");
fprintf(fp, "title_y=%.2f\n", layout->titleY);
fprintf(fp, "title_x=%.2f\n", layout->titleX);
fprintf(fp, "bar_y=%.2f\n", layout->barY);
fprintf(fp, "bar_height=%.2f\n", layout->barHeight);
fprintf(fp, "bar_width=%.2f\n", layout->barWidth);
fprintf(fp, "btn_radius=%.2f\n", layout->btnRadius);
fprintf(fp, "help_y=%.2f\n", layout->helpY);
fprintf(fp, "help_x=%.2f\n", layout->helpX);
fprintf(fp, "status_x=%.2f\n", layout->statusX);
fprintf(fp, "btn_y=%.2f\n", layout->btnY);
fprintf(fp, "btn_center_x=%.2f\n", layout->btnCenterX);
fprintf(fp, "smart_play_y=%.2f\n", layout->smartPlayY);
fprintf(fp, "smart_play_x=%.2f\n", layout->smartPlayX);
fprintf(fp, "sec_nav_y=%.2f\n", layout->secNavY);
fprintf(fp, "sec_nav_x=%.2f\n", layout->secNavX);
fclose(fp);
return 1;
}
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