Enhance CLI output: UTF-8 console codepage, VT colors, clean status cards

src/ui.rs

@@ -0,0 +1,99 @@
+use std::sync::atomic::{AtomicBool, Ordering};
+
+static VT_ENABLED: AtomicBool = AtomicBool::new(false);
+
+/// Initialisiert die Windows-Konsole:
+/// - Setzt Code-Page 65001 (UTF-8) für Ein- und Ausgabe (verhindert Umlaut-Fehler wie `f├╝r`)
+/// - Aktiviert VIRTUAL_TERMINAL_PROCESSING für saubere ANSI-Farb- und Escape-Sequenz-Darstellung
+#[cfg(windows)]
+pub fn init_console() {
+    const CP_UTF8: u32 = 65001;
+    const STD_OUTPUT_HANDLE: u32 = 0xFFFFFFF5; // (DWORD)-11
+    const ENABLE_VIRTUAL_TERMINAL_PROCESSING: u32 = 0x0004;
+
+    extern "system" {
+        fn SetConsoleOutputCP(wCodePageID: u32) -> i32;
+        fn SetConsoleCP(wCodePageID: u32) -> i32;
+        fn GetStdHandle(nStdHandle: u32) -> *mut std::ffi::c_void;
+        fn GetConsoleMode(hConsoleHandle: *mut std::ffi::c_void, lpMode: *mut u32) -> i32;
+        fn SetConsoleMode(hConsoleHandle: *mut std::ffi::c_void, dwMode: u32) -> i32;
+    }
+
+    unsafe {
+        let _ = SetConsoleOutputCP(CP_UTF8);
+        let _ = SetConsoleCP(CP_UTF8);
+
+        let handle = GetStdHandle(STD_OUTPUT_HANDLE);
+        if !handle.is_null() && handle as isize != -1 {
+            let mut mode: u32 = 0;
+            if GetConsoleMode(handle, &mut mode) != 0 {
+                if SetConsoleMode(handle, mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING) != 0 {
+                    VT_ENABLED.store(true, Ordering::Relaxed);
+                }
+            }
+        }
+    }
+}
+
+#[cfg(not(windows))]
+pub fn init_console() {
+    VT_ENABLED.store(true, Ordering::Relaxed);
+}
+
+pub fn is_vt_enabled() -> bool {
+    VT_ENABLED.load(Ordering::Relaxed)
+}
+
+pub fn bold(s: &str) -> String {
+    if is_vt_enabled() {
+        format!("\x1b[1m{s}\x1b[0m")
+    } else {
+        s.to_string()
+    }
+}
+
+pub fn dim(s: &str) -> String {
+    if is_vt_enabled() {
+        format!("\x1b[90m{s}\x1b[0m")
+    } else {
+        s.to_string()
+    }
+}
+
+pub fn green(s: &str) -> String {
+    if is_vt_enabled() {
+        format!("\x1b[1;32m{s}\x1b[0m")
+    } else {
+        s.to_string()
+    }
+}
+
+pub fn cyan(s: &str) -> String {
+    if is_vt_enabled() {
+        format!("\x1b[1;36m{s}\x1b[0m")
+    } else {
+        s.to_string()
+    }
+}
+
+pub fn yellow(s: &str) -> String {
+    if is_vt_enabled() {
+        format!("\x1b[1;33m{s}\x1b[0m")
+    } else {
+        s.to_string()
+    }
+}
+
+pub fn red(s: &str) -> String {
+    if is_vt_enabled() {
+        format!("\x1b[1;31m{s}\x1b[0m")
+    } else {
+        s.to_string()
+    }
+}
+
+/// Gibt einen formatierten Fortschrittsschritt aus: `  [1/4] 📦 Schrittbeschreibung...`
+pub fn step(num: u8, total: u8, icon: &str, msg: &str) {
+    let tag = cyan(&format!("[{}/{}]", num, total));
+    println!("  {} {} {}", tag, icon, msg);
+}