feat(gui): add toolbar widget

src/hal/pxl8_io_sdl3.c

@@ -0,0 +1,125 @@
+#include "pxl8_io.h"
+#include "pxl8_mem.h"
+
+#include <string.h>
+
+#ifndef _WIN32
+#include <sys/stat.h>
+#include <unistd.h>
+#else
+#include <direct.h>
+#endif
+
+#include <SDL3/SDL.h>
+
+pxl8_result pxl8_io_create_directory(const char* path) {
+    if (!path) return PXL8_ERROR_NULL_POINTER;
+    return SDL_CreateDirectory(path) ? PXL8_OK : PXL8_ERROR_SYSTEM_FAILURE;
+}
+
+typedef struct {
+    pxl8_io_dir_callback callback;
+    void* userdata;
+} pxl8_io_enum_ctx;
+
+static SDL_EnumerationResult pxl8_io_enum_adapter(void* userdata, const char* dirname, const char* fname) {
+    pxl8_io_enum_ctx* ctx = userdata;
+    if (ctx->callback(ctx->userdata, dirname, fname)) {
+        return SDL_ENUM_CONTINUE;
+    }
+    return SDL_ENUM_SUCCESS;
+}
+
+bool pxl8_io_enumerate_directory(const char* path, pxl8_io_dir_callback callback, void* userdata) {
+    if (!path || !callback) return false;
+    pxl8_io_enum_ctx ctx = { .callback = callback, .userdata = userdata };
+    return SDL_EnumerateDirectory(path, pxl8_io_enum_adapter, &ctx);
+}
+
+bool pxl8_io_file_exists(const char* path) {
+    if (!path) return false;
+    return SDL_GetPathInfo(path, NULL);
+}
+
+char* pxl8_io_get_cwd(void) {
+    char* sdl_cwd = SDL_GetCurrentDirectory();
+    if (!sdl_cwd) return NULL;
+    char* cwd = pxl8_malloc(strlen(sdl_cwd) + 1);
+    if (cwd) strcpy(cwd, sdl_cwd);
+    SDL_free(sdl_cwd);
+    return cwd;
+}
+
+f64 pxl8_io_get_file_modified_time(const char* path) {
+    if (!path) return 0.0;
+    SDL_PathInfo info;
+    if (SDL_GetPathInfo(path, &info)) {
+        return (f64)info.modify_time / 1000000000.0;
+    }
+    return 0.0;
+}
+
+usize pxl8_io_get_file_size(const char* path) {
+    if (!path) return 0;
+    SDL_PathInfo info;
+    if (SDL_GetPathInfo(path, &info)) return (usize)info.size;
+    return 0;
+}
+
+char* pxl8_io_get_pref_path(const char* org, const char* app) {
+    char* sdl_path = SDL_GetPrefPath(org, app);
+    if (!sdl_path) return NULL;
+    char* path = pxl8_malloc(strlen(sdl_path) + 1);
+    if (path) strcpy(path, sdl_path);
+    SDL_free(sdl_path);
+    return path;
+}
+
+char* pxl8_io_get_real_path(const char* path) {
+    if (!path) return NULL;
+
+    if (path[0] == '/') {
+        char* result = pxl8_malloc(strlen(path) + 1);
+        if (result) strcpy(result, path);
+        return result;
+    }
+
+    char* cwd = SDL_GetCurrentDirectory();
+    if (!cwd) return NULL;
+
+    usize cwd_len = strlen(cwd);
+    usize path_len = strlen(path);
+    char* result = pxl8_malloc(cwd_len + path_len + 2);
+    if (result) {
+        strcpy(result, cwd);
+        if (cwd_len > 0 && cwd[cwd_len - 1] != '/') {
+            strcat(result, "/");
+        }
+        strcat(result, path);
+    }
+
+    SDL_free(cwd);
+    return result;
+}
+
+bool pxl8_io_set_cwd(const char* path) {
+    if (!path) return false;
+#ifdef _WIN32
+    return _chdir(path) == 0;
+#else
+    return chdir(path) == 0;
+#endif
+}
+
+void pxl8_io_set_executable(const char* path) {
+    if (!path) return;
+#ifndef _WIN32
+    chmod(path, 0755);
+#endif
+}
+
+bool pxl8_io_is_directory(const char* path) {
+    if (!path) return false;
+    SDL_PathInfo info;
+    return SDL_GetPathInfo(path, &info) && info.type == SDL_PATHTYPE_DIRECTORY;
+}