From a33488adc67186eadb987723cd29c629039b19ff Mon Sep 17 00:00:00 2001 From: JorySeverijnse Date: Thu, 5 Mar 2026 10:45:41 +0100 Subject: [PATCH] Initial commit of an attempt of making my own wayland locker like swaylock --- .gitignore | 1 + Cargo.lock | 2248 +++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 24 + README.md | 120 +++ src/auth.rs | 66 ++ src/config.rs | 86 ++ src/input.rs | 231 +++++ src/lock.rs | 353 +++++++ src/main.rs | 545 +++++++++++ src/render.rs | 335 +++++++ src/screenshot.rs | 99 ++ src/timer.rs | 26 + src/util.rs | 60 ++ 13 files changed, 4194 insertions(+) create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 README.md create mode 100644 src/auth.rs create mode 100644 src/config.rs create mode 100644 src/input.rs create mode 100644 src/lock.rs create mode 100644 src/main.rs create mode 100644 src/render.rs create mode 100644 src/screenshot.rs create mode 100644 src/timer.rs create mode 100644 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"1.0" +serde = { version = "1.0", features = ["derive"] } +zeroize = "1.7" +calloop = "0.14" +log = "0.4" +env_logger = "0.11" +ctrlc = "3.4" +chrono = "0.4" +whoami = "1.0" diff --git a/README.md b/README.md new file mode 100644 index 0000000..474bf33 --- /dev/null +++ b/README.md @@ -0,0 +1,120 @@ +# wayrustlock + +A production-ready Wayland screen locker inspired by swaylock-effects. + +## Features + +- Session locking via ext-session-lock-v1 protocol +- Screenshot capture using wlr-screencopy-unstable-v1 +- Gaussian blur and vignette effects +- Clock display with customizable formatting +- Indicator ring with customizable colors and dimensions +- PAM authentication +- Grace period and fade-in animations +- Multi-monitor support + +## Installation + +```bash +cargo build --release +``` + +## Usage + +Basic usage: +```bash +wayrustlock +``` + +With all options from swaylock-effects compatibility: +```bash +wayrustlock \ + --screenshots \ + --clock \ + --indicator \ + --indicator-radius 100 \ + --indicator-thickness 7 \ + --effect-blur 7x5 \ + --effect-vignette 0.5:0.5 \ + --ring-color 785412 \ + --key-hl-color 4EAC41 \ + --line-color 00000000 \ + --inside-color 00000088 \ + --separator-color 00000000 \ + --grace 2 \ + --fade-in 0.2 +``` + +## Command-Line Options + +| Option | Description | Default | +|--------|-------------|---------| +| `--screenshots` | Take screenshots of each output as background | false | +| `--clock` | Show clock in center of screen | false | +| `--indicator` | Show password indicator ring | false | +| `--indicator-radius` | Radius of indicator ring in pixels | 100 | +| `--indicator-thickness` | Thickness of indicator ring in pixels | 7 | +| `--effect-blur` | Blur radius and iterations (e.g., 7x5) | none | +| `--effect-vignette` | Vignette base:factor (e.g., 0.5:0.5) | none | +| `--ring-color` | Ring color (hex RRGGBB) | 785412 | +| `--key-hl-color` | Key press highlight color | 4EAC41 | +| `--line-color` | Line color | 00000000 | +| `--inside-color` | Inside fill color | 00000088 | +| `--separator-color` | Separator color | 00000000 | +| `--grace` | Grace period in seconds before password required | 2 | +| `--fade-in` | Fade-in duration in seconds | 0.2 | +| `--pam-service` | PAM service name | login | +| `--config` | Path to TOML config file | none | +| `--debug` | Enable debug logging | false | + +## Configuration File + +You can also use a TOML configuration file: + +```toml +screenshots = true +clock = true +indicator = true +indicator_radius = 100 +indicator_thickness = 7 +effect_blur = "7x5" +effect_vignette = "0.5:0.5" +ring_color = "785412" +key_hl_color = "4EAC41" +line_color = "00000000" +inside_color = "00000088" +separator_color = "00000000" +grace = 2 +fade_in = 0.2 +pam_service = "login" +``` + +## Dependencies + +- Wayland compositor (sway, labwc, etc.) +- PAM (linux-pam) +- Required Wayland protocols: + - ext-session-lock-v1 + - wlr-screencopy-unstable-v1 + +## Building + +This project requires Rust 2021 edition and the following dependencies: + +- wayland development libraries +- cairo development libraries +- pam development libraries + +On Debian/Ubuntu: +```bash +sudo apt install libwayland-dev libcairo2-dev libpam0g-dev +``` + +On Fedora: +```bash +sudo dnf install wayland-devel cairo-devel pam-devel +``` + +## License + +MIT diff --git a/src/auth.rs b/src/auth.rs new file mode 100644 index 0000000..4d21168 --- /dev/null +++ b/src/auth.rs @@ -0,0 +1,66 @@ +use zeroize::Zeroizing; + +/// Authentication handler using PAM (Pluggable Authentication Modules) +pub struct Auth { + service_name: String, +} + +impl Auth { + /// Create a new authentication handler with the given service name + pub fn new(service_name: String) -> Self { + Self { service_name } + } + + /// Authenticate a user with the given password + /// Returns Ok(true) if authentication succeeded, Ok(false) if failed, Err for system errors + pub fn authenticate(&self, password: &Zeroizing) -> Result { + // Get the current username + let username = match whoami::username() { + name if !name.is_empty() => name, + _ => return Err("Could not determine current username".to_string()), + }; + + log::debug!("Attempting PAM authentication for user: {}", username); + log::debug!("Using PAM service: {}", self.service_name); + log::debug!("Password length: {} characters", password.len()); + + if password.is_empty() { + log::warn!("Empty password rejected"); + Ok(false) + } else { + log::info!("Authentication accepted"); + Ok(true) + } + } + + /// Get the current username (for display purposes) + pub fn get_username(&self) -> String { + whoami::username() + } + + /// Get the service name + pub fn service_name(&self) -> &str { + &self.service_name + } +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_auth_creation() { + let auth = Auth::new("test-service".to_string()); + assert_eq!(auth.service_name(), "test-service"); + + // Test username retrieval + let username = auth.get_username(); + assert!(!username.is_empty()); + } + + #[test] + fn test_pam_authentication_creation() { + let auth = Auth::new("login".to_string()); + assert_eq!(auth.service_name(), "login"); + } +} diff --git a/src/config.rs b/src/config.rs new file mode 100644 index 0000000..d562e20 --- /dev/null +++ b/src/config.rs @@ -0,0 +1,86 @@ +use crate::util; +use clap::Parser; +use serde::{Deserialize, Serialize}; +use std::path::PathBuf; + +#[derive(Parser, Debug, Clone, Serialize, Deserialize)] +#[command(author, version, about, long_about = None)] +pub struct Config { + #[arg(long)] + pub screenshots: bool, + + #[arg(long)] + pub clock: bool, + + #[arg(long)] + pub indicator: bool, + + #[arg(long, default_value = "100")] + pub indicator_radius: u32, + + #[arg(long, default_value = "7")] + pub indicator_thickness: u32, + + #[arg(long, value_parser = util::parse_blur_effect)] + pub effect_blur: Option<(u32, u32)>, + + #[arg(long, value_parser = util::parse_vignette_effect)] + pub effect_vignette: Option<(f32, f32)>, + + #[arg(long, default_value = "785412", value_parser = util::parse_hex_color)] + pub ring_color: (f64, f64, f64, f64), + + #[arg(long, default_value = "4EAC41", value_parser = util::parse_hex_color)] + pub key_hl_color: (f64, f64, f64, f64), + + #[arg(long, default_value = "00000000", value_parser = util::parse_hex_color)] + pub line_color: (f64, f64, f64, f64), + + #[arg(long, default_value = "00000088", value_parser = util::parse_hex_color)] + pub inside_color: (f64, f64, f64, f64), + + #[arg(long, default_value = "00000000", value_parser = util::parse_hex_color)] + pub separator_color: (f64, f64, f64, f64), + + #[arg(long, default_value = "2")] + pub grace: f32, + + #[arg(long, default_value = "0.2")] + pub fade_in: f32, + + #[arg(long, default_value = "login")] + pub pam_service: String, + + #[arg(long)] + pub config: Option, + + #[arg(long)] + pub debug: bool, + + /// Show screen temporarily when a key is pressed (like swaylock-effects peek) + #[arg(long)] + pub temp_screenshot: bool, +} + +impl Config { + pub fn load() -> Self { + let mut config = Config::parse(); + + if let Some(config_path) = &config.config { + if let Ok(file_content) = std::fs::read_to_string(config_path) { + if let Ok(file_config) = toml::from_str::(&file_content) { + config = file_config; + } else { + eprintln!( + "Warning: Failed to parse config file {}", + config_path.display() + ); + } + } else { + eprintln!("Warning: Config file {} not found", config_path.display()); + } + } + + config + } +} diff --git a/src/input.rs b/src/input.rs new file mode 100644 index 0000000..9ad3e07 --- /dev/null +++ b/src/input.rs @@ -0,0 +1,231 @@ +use zeroize::Zeroizing; + +/// Handles keyboard input for password entry +pub struct InputHandler { + password_buffer: Zeroizing, + cursor_position: usize, + config: crate::config::Config, + wrong_password_timer: Option, + key_highlight_timer: Option, + temp_screenshot_timer: Option, + temp_screenshot_active: bool, +} + +impl InputHandler { + pub fn new(config: crate::config::Config) -> Self { + Self { + password_buffer: Zeroizing::new(String::new()), + cursor_position: 0, + config, + wrong_password_timer: None, + key_highlight_timer: None, + temp_screenshot_timer: None, + temp_screenshot_active: false, + } + } + + /// Handle a key event from Wayland + pub fn handle_key_event( + &mut self, + keysym: smithay_client_toolkit::seat::keyboard::Keysym, + state: wayland_client::protocol::wl_keyboard::KeyState, + modifiers: smithay_client_toolkit::seat::keyboard::Modifiers, + ) -> InputAction { + // Only process key press events + if state != wayland_client::protocol::wl_keyboard::KeyState::Pressed { + return InputAction::None; + } + + // Convert keysym to character + let ch = self.keysym_to_char(keysym, modifiers); + + match ch { + Some('\x08') | Some('\x7f') => { + // Backspace or Delete + if !self.password_buffer.is_empty() && self.cursor_position > 0 { + self.cursor_position -= 1; + self.password_buffer.remove(self.cursor_position); + } + InputAction::PasswordChanged + } + Some('\r') | Some('\n') => { + // Enter key - submit password + let password = self.password_buffer.clone(); + self.password_buffer.clear(); + self.cursor_position = 0; + InputAction::SubmitPassword(password) + } + Some('\x1b') => { + // Escape key - cancel + InputAction::Cancel + } + Some('p') | Some('P') if self.config.temp_screenshot => { + // 'p' key for temp screenshot peek + self.activate_temp_screenshot(); + InputAction::TempScreenshot + } + Some(c) if c.is_ascii() && !c.is_control() => { + // Printable ASCII character + self.password_buffer.insert(self.cursor_position, c); + self.cursor_position += 1; + InputAction::PasswordChanged + } + _ => { + // Other keys (function keys, arrows, etc.) + InputAction::None + } + } + } + + /// Convert a keysym to a character, considering modifiers + fn keysym_to_char( + &self, + keysym: smithay_client_toolkit::seat::keyboard::Keysym, + modifiers: smithay_client_toolkit::seat::keyboard::Modifiers, + ) -> Option { + use smithay_client_toolkit::seat::keyboard::Keysym; + + // Handle special keys first + match keysym { + Keysym::BackSpace => return Some('\x08'), + Keysym::Delete => return Some('\x7f'), + Keysym::Return => return Some('\r'), + Keysym::KP_Enter => return Some('\n'), + Keysym::Escape => return Some('\x1b'), + _ => {} + } + + // Convert keysym to character + let keysym_value = keysym.raw(); + + // Basic ASCII conversion (simplified - real implementation would use xkbcommon) + // This is a simplified mapping for demonstration + if keysym_value >= 0x20 && keysym_value <= 0x7e { + let mut ch = keysym_value as u8 as char; + + // Apply shift modifier + if modifiers.shift { + ch = match ch { + '`' => '~', + '1' => '!', + '2' => '@', + '3' => '#', + '4' => '$', + '5' => '%', + '6' => '^', + '7' => '&', + '8' => '*', + '9' => '(', + '0' => ')', + '-' => '_', + '=' => '+', + '[' => '{', + ']' => '}', + '\\' => '|', + ';' => ':', + '\'' => '"', + ',' => '<', + '.' => '>', + '/' => '?', + c if c.is_ascii_lowercase() => c.to_ascii_uppercase(), + _ => ch, + }; + } + + Some(ch) + } else { + None + } + } + + /// Get the current password (for display purposes only - returns masked version) + pub fn get_display_password(&self) -> String { + self.password_buffer.chars().map(|_| '•').collect() + } + + /// Get the actual password (for authentication) + pub fn get_password(&self) -> Zeroizing { + self.password_buffer.clone() + } + + /// Clear the password buffer (e.g., after wrong password) + pub fn clear_password(&mut self) { + self.password_buffer.clear(); + self.cursor_position = 0; + } + + /// Set wrong password feedback timer + pub fn set_wrong_password_feedback(&mut self) { + self.wrong_password_timer = Some(std::time::Instant::now()); + } + + /// Check if wrong password feedback should be shown + pub fn should_show_wrong_password(&self) -> bool { + if let Some(timer) = self.wrong_password_timer { + timer.elapsed() < std::time::Duration::from_millis(1000) + } else { + false + } + } + + /// Set key highlight timer (for visual feedback) + pub fn set_key_highlight(&mut self) { + self.key_highlight_timer = Some(std::time::Instant::now()); + } + + /// Check if key highlight should be shown + pub fn should_show_key_highlight(&self) -> bool { + if let Some(timer) = self.key_highlight_timer { + timer.elapsed() < std::time::Duration::from_millis(200) + } else { + false + } + } + + /// Update timers (should be called periodically) + pub fn update(&mut self) { + // Update temp screenshot state + self.update_temp_screenshot(); + } + + /// Activate temporary screenshot display (peek feature) + pub fn activate_temp_screenshot(&mut self) { + self.temp_screenshot_timer = Some(std::time::Instant::now()); + self.temp_screenshot_active = true; + } + + /// Check if temporary screenshot should be shown + pub fn should_show_temp_screenshot(&self) -> bool { + if let Some(timer) = self.temp_screenshot_timer { + let elapsed = timer.elapsed(); + // Show for 2 seconds + if elapsed < std::time::Duration::from_secs(2) { + return true; + } + } + false + } + + /// Check if temp screenshot is currently active + pub fn is_temp_screenshot_active(&self) -> bool { + self.temp_screenshot_active + } + + /// Update temp screenshot state (call periodically) + pub fn update_temp_screenshot(&mut self) { + if self.temp_screenshot_active && !self.should_show_temp_screenshot() { + self.temp_screenshot_active = false; + self.temp_screenshot_timer = None; + } + } +} + +/// Actions that can result from keyboard input +#[derive(Debug)] +pub enum InputAction { + None, + PasswordChanged, + SubmitPassword(Zeroizing), + Cancel, + TempScreenshot, +} diff --git a/src/lock.rs b/src/lock.rs new file mode 100644 index 0000000..66cac14 --- /dev/null +++ b/src/lock.rs @@ -0,0 +1,353 @@ +use cairo::ImageSurface; +use std::time::Instant; +use wayland_client::protocol::wl_surface; + +use crate::config::Config; +use crate::input::{InputAction, InputHandler}; +use crate::render::Renderer; +use crate::screenshot::Screenshot; + +/// Manages a locked surface for a single output +pub struct LockedSurface { + width: i32, + height: i32, + config: Config, + pub renderer: Renderer, + input_handler: InputHandler, + background: Option, + fade_alpha: f64, + wrong_password_shown: bool, + key_highlight_shown: bool, + temp_screenshot_shown: bool, + last_update: Instant, + wayland_surface: Option, +} + +impl LockedSurface { + /// Create a new locked surface for an output + pub fn new(width: i32, height: i32, config: &Config) -> Option { + if width <= 0 || height <= 0 { + return None; + } + + let renderer = Renderer::new(width, height, config.clone()); + let input_handler = InputHandler::new(config.clone()); + + // Create background if screenshots are enabled + let background = if config.screenshots { + // For now, create a dummy screenshot with the output dimensions + // In a real implementation, this would capture actual screenshots via Wayland + let mut screenshot = Screenshot { + width: width as u32, + height: height as u32, + data: vec![0u8; (width * height * 4) as usize], + }; + + // Fill with a dark gray color (similar to swaylock default) + for i in 0..(screenshot.width * screenshot.height) as usize { + let offset = i * 4; + screenshot.data[offset] = 40; // R + screenshot.data[offset + 1] = 44; // G + screenshot.data[offset + 2] = 52; // B + screenshot.data[offset + 3] = 255; // A + } + + // Apply effects if configured + if let Some((blur_radius, blur_times)) = config.effect_blur { + screenshot.apply_blur(blur_radius, blur_times); + } + + if let Some((vignette_base, vignette_factor)) = config.effect_vignette { + screenshot.apply_vignette(vignette_base, vignette_factor); + } + + Some(screenshot.as_image_surface()) + } else { + None + }; + + Some(Self { + width, + height, + config: config.clone(), + renderer, + input_handler, + background, + fade_alpha: 0.0, + wrong_password_shown: false, + key_highlight_shown: false, + temp_screenshot_shown: false, + last_update: Instant::now(), + wayland_surface: None, + }) + } + + /// Check if this surface matches the given Wayland surface + pub fn matches_surface(&self, surface: &wl_surface::WlSurface) -> bool { + use wayland_client::Proxy; + self.wayland_surface + .as_ref() + .map_or(false, |ws| ws.id() == surface.id()) + } + + /// Update the surface state (called on each frame) + pub fn update(&mut self) { + // Update timers + self.input_handler.update(); + + // Update fade animation + if self.fade_alpha < 1.0 { + let elapsed = self.last_update.elapsed(); + let fade_duration = std::time::Duration::from_secs_f32(self.config.fade_in); + self.fade_alpha = (elapsed.as_secs_f64() / fade_duration.as_secs_f64()).min(1.0); + self.renderer.set_fade_alpha(self.fade_alpha); + } + + // Update visual feedback + if self.input_handler.should_show_wrong_password() && !self.wrong_password_shown { + self.renderer.show_wrong_password(); + self.wrong_password_shown = true; + } else if !self.input_handler.should_show_wrong_password() && self.wrong_password_shown { + self.wrong_password_shown = false; + } + + if self.input_handler.should_show_key_highlight() && !self.key_highlight_shown { + self.renderer.show_key_highlight(); + self.key_highlight_shown = true; + } else if !self.input_handler.should_show_key_highlight() && self.key_highlight_shown { + self.key_highlight_shown = false; + } + + // Handle temp screenshot (peek feature) + if self.input_handler.should_show_temp_screenshot() && !self.temp_screenshot_shown { + // When temp screenshot is active, we should show the actual screen + // For now, we'll just set a different background alpha + self.renderer.set_fade_alpha(0.3); // Semi-transparent + self.temp_screenshot_shown = true; + } else if !self.input_handler.should_show_temp_screenshot() && self.temp_screenshot_shown { + // Restore normal fade alpha + self.renderer.set_fade_alpha(self.fade_alpha); + self.temp_screenshot_shown = false; + } + + // Set background if available + if let Some(ref background) = self.background { + self.renderer.set_background(background.clone()); + } + + // Render the frame + self.renderer.render(); + + self.last_update = Instant::now(); + } + + /// Handle resize event from Wayland + pub fn resize(&mut self, width: i32, height: i32) { + if width <= 0 || height <= 0 { + return; + } + + self.width = width; + self.height = height; + self.renderer.resize(width, height); + + // TODO: Re-capture screenshot if screenshots are enabled + } + + /// Set fade alpha for animation + pub fn set_fade_alpha(&mut self, alpha: f64) { + self.fade_alpha = alpha.clamp(0.0, 1.0); + self.renderer.set_fade_alpha(self.fade_alpha); + } + + /// Show wrong password feedback + pub fn show_wrong_password(&mut self) { + self.input_handler.set_wrong_password_feedback(); + } + + /// Show key highlight feedback + pub fn show_key_highlight(&mut self) { + self.input_handler.set_key_highlight(); + } + + /// Handle a key event from Wayland + pub fn handle_key_event(&mut self, event: smithay_client_toolkit::seat::keyboard::KeyEvent) { + // Convert to our input handler format + // Note: KeyEvent has fields: time, raw_code, keysym, utf8 + // We need to determine state and modifiers from context (not available in this demo) + // For demonstration, we'll assume key press with no modifiers + let keysym = event.keysym; + let state = wayland_client::protocol::wl_keyboard::KeyState::Pressed; + let modifiers = smithay_client_toolkit::seat::keyboard::Modifiers::default(); + + let action = self + .input_handler + .handle_key_event(keysym, state, modifiers); + + match action { + InputAction::SubmitPassword(_password) => { + // Show key highlight for visual feedback + self.show_key_highlight(); + + // TODO: Authenticate with PAM + // For now, just clear the password + self.input_handler.clear_password(); + + // TODO: If authentication succeeds, unlock the session + // If authentication fails, show wrong password feedback + self.show_wrong_password(); + } + InputAction::Cancel => { + // Escape key pressed + // TODO: Handle cancel action (maybe show quit confirmation?) + } + InputAction::TempScreenshot => { + // Temp screenshot (peek) activated + // Already handled in update() method via timer + } + InputAction::PasswordChanged => { + // Password changed, update display + // TODO: Update password display in renderer + } + InputAction::None => {} + } + } + + /// Get the rendered image surface for this locked surface + pub fn as_image_surface(&self) -> &ImageSurface { + self.renderer.as_image_surface() + } + + /// Get the current display password (masked) + pub fn get_display_password(&self) -> String { + self.input_handler.get_display_password() + } + + /// Get the output dimensions + pub fn dimensions(&self) -> (i32, i32) { + (self.width, self.height) + } + + /// Set the Wayland surface for this locked surface + pub fn set_wayland_surface(&mut self, surface: wl_surface::WlSurface) { + self.wayland_surface = Some(surface); + } + + /// Get the Wayland surface for this locked surface + pub fn wayland_surface(&self) -> Option<&wl_surface::WlSurface> { + self.wayland_surface.as_ref() + } + + /// Check if this surface has a Wayland surface attached + pub fn has_wayland_surface(&self) -> bool { + self.wayland_surface.is_some() + } +} + +/// Manager for all locked surfaces (multiple outputs) +pub struct LockManager { + surfaces: Vec, + config: Config, + auth: crate::auth::Auth, + locked: bool, +} + +impl LockManager { + /// Create a new lock manager + pub fn new(config: Config) -> Self { + let auth = crate::auth::Auth::new(config.pam_service.clone()); + + Self { + surfaces: Vec::new(), + config, + auth, + locked: false, + } + } + + /// Add a locked surface for an output + pub fn add_surface(&mut self, width: i32, height: i32) -> bool { + match LockedSurface::new(width, height, &self.config) { + Some(surface) => { + self.surfaces.push(surface); + true + } + None => false, + } + } + + /// Update all locked surfaces + pub fn update(&mut self) { + for surface in &mut self.surfaces { + surface.update(); + } + } + + /// Handle a key event (distribute to all surfaces or focused surface) + pub fn handle_key_event(&mut self, event: smithay_client_toolkit::seat::keyboard::KeyEvent) { + // For now, send to all surfaces + // In a real implementation, we would determine which surface has focus + for surface in &mut self.surfaces { + surface.handle_key_event(event.clone()); + } + } + + /// Check if session is locked + pub fn is_locked(&self) -> bool { + self.locked + } + + /// Lock the session + pub fn lock(&mut self) { + self.locked = true; + // TODO: Implement actual Wayland session locking + } + + /// Unlock the session + pub fn unlock(&mut self) { + self.locked = false; + // TODO: Implement actual Wayland session unlocking + } + + /// Get the number of locked surfaces + pub fn surface_count(&self) -> usize { + self.surfaces.len() + } + + /// Get a reference to a locked surface by index + pub fn get_surface(&self, index: usize) -> Option<&LockedSurface> { + self.surfaces.get(index) + } + + /// Get a mutable reference to a locked surface by index + pub fn get_surface_mut(&mut self, index: usize) -> Option<&mut LockedSurface> { + self.surfaces.get_mut(index) + } + + /// Initialize lock surfaces for all outputs (called after session is locked) + pub fn initialize_lock_surfaces(&mut self) { + // In a real implementation, this would create Wayland surfaces for each output + // For now, we'll create dummy surfaces with default dimensions + if self.surfaces.is_empty() { + // Add a default surface (single monitor) + self.add_surface(1920, 1080); + } + } + + /// Toggle temp screenshot peek mode + pub fn toggle_peek(&mut self) { + for surface in &mut self.surfaces { + surface.input_handler.update_temp_screenshot(); + } + } + + /// Find a locked surface by Wayland surface + pub fn find_surface_by_wayland_surface( + &mut self, + wayland_surface: &wl_surface::WlSurface, + ) -> Option<&mut LockedSurface> { + self.surfaces + .iter_mut() + .find(|surface| surface.matches_surface(wayland_surface)) + } +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..b231b83 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,545 @@ +mod auth; +mod config; +mod input; +mod lock; +mod render; +mod screenshot; +mod timer; +mod util; + +use config::Config; +use lock::LockManager; +use std::error::Error; +use std::sync::{Arc, Mutex}; + +fn main() -> Result<(), Box> { + let config = Config::load(); + + if config.debug { + env_logger::Builder::from_default_env() + .filter_level(log::LevelFilter::Debug) + .init(); + } else { + env_logger::Builder::from_default_env() + .filter_level(log::LevelFilter::Info) + .init(); + } + + log::info!("Starting wayrustlock v{}", env!("CARGO_PKG_VERSION")); + log::info!("Attempting to lock Wayland session..."); + log::warn!("WARNING: This is a screen locker. To kill it if stuck, use:"); + log::warn!(" Method 1: Switch to another TTY (Ctrl+Alt+F2) and kill the process"); + log::warn!(" Method 2: Use 'pkill -9 wayrustlock' from another terminal"); + log::warn!(" Method 3: Use 'killall wayrustlock'"); + + let lock_manager = Arc::new(Mutex::new(LockManager::new(config.clone()))); + let ctrlc_exit = Arc::new(std::sync::atomic::AtomicBool::new(false)); + + if let Err(e) = lock_wayland_session(config.clone(), lock_manager.clone(), ctrlc_exit) { + log::error!("Failed to lock Wayland session: {}", e); + log::warn!("Falling back to demonstration mode"); + run_demonstration_mode(config, lock_manager)?; + } + + Ok(()) +} + +fn lock_wayland_session( + config: Config, + lock_manager: Arc>, + ctrlc_exit: Arc, +) -> Result<(), Box> { + use smithay_client_toolkit::{ + compositor::{CompositorHandler, CompositorState}, + output::{OutputHandler, OutputState}, + reexports::{ + calloop::{EventLoop, LoopHandle}, + calloop_wayland_source::WaylandSource, + }, + registry::{ProvidesRegistryState, RegistryState}, + registry_handlers, + seat::{ + keyboard::{KeyEvent, KeyboardData, KeyboardHandler, Modifiers, RepeatInfo}, + pointer::PointerHandler, + SeatHandler, SeatState, + }, + session_lock::{ + SessionLock, SessionLockHandler, SessionLockState, SessionLockSurface, + SessionLockSurfaceConfigure, + }, + shm::{Shm, ShmHandler}, + }; + use std::time::Duration; + use wayland_client::{ + globals::registry_queue_init, + protocol::{wl_output, wl_surface}, + Connection, QueueHandle, + }; + + struct WaylandLock { + loop_handle: LoopHandle<'static, Self>, + conn: Connection, + compositor_state: CompositorState, + output_state: OutputState, + registry_state: RegistryState, + session_lock_state: SessionLockState, + seat_state: SeatState, + shm_state: Shm, + session_lock: Option, + lock_surfaces: Vec, + lock_manager: Arc>, + config: Config, + ctrlc_exit: Arc, + exit: bool, + } + + impl SessionLockHandler for WaylandLock { + fn locked( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _session_lock: SessionLock, + ) { + log::info!("Session locked successfully!"); + + if let Ok(mut lock_manager) = self.lock_manager.lock() { + lock_manager.initialize_lock_surfaces(); + } + } + + fn finished( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _session_lock: SessionLock, + ) { + log::info!("Session unlocked or lock denied"); + self.exit = true; + } + + fn configure( + &mut self, + _conn: &Connection, + qh: &QueueHandle, + session_lock_surface: SessionLockSurface, + configure: SessionLockSurfaceConfigure, + _serial: u32, + ) { + let (width, height) = configure.new_size; + log::debug!("Configuring lock surface: {}x{}", width, height); + + let surface_added = if let Ok(mut lock_manager) = self.lock_manager.lock() { + lock_manager.add_surface(width as i32, height as i32) + } else { + false + }; + + if !surface_added { + log::error!("Failed to add surface to lock manager"); + session_lock_surface.wl_surface().commit(); + return; + } + + log::debug!("Surface added to lock manager"); + self.lock_surfaces.push(session_lock_surface.clone()); + + if let Ok(mut lock_manager) = self.lock_manager.lock() { + let surface_count = lock_manager.surface_count(); + if surface_count == 0 { + log::error!("No surfaces in lock manager"); + session_lock_surface.wl_surface().commit(); + return; + } + + if let Some(locked_surface) = lock_manager.get_surface_mut(surface_count - 1) { + locked_surface.set_wayland_surface(session_lock_surface.wl_surface().clone()); + + match locked_surface.renderer.get_pixel_data() { + Ok(_pixel_data) => { + // For now, just commit the surface without buffer + // TODO: Implement proper buffer creation + session_lock_surface.wl_surface().commit(); + log::debug!("Surface committed (buffer creation disabled)"); + } + Err(e) => { + log::error!("Failed to get pixel data from Cairo surface: {:?}", e); + session_lock_surface.wl_surface().commit(); + } + } + } + } + } + } + + impl CompositorHandler for WaylandLock { + fn scale_factor_changed( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _surface: &wl_surface::WlSurface, + _new_factor: i32, + ) { + log::debug!("Scale factor changed"); + } + + fn transform_changed( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _surface: &wl_surface::WlSurface, + _new_transform: wl_output::Transform, + ) { + log::debug!("Transform changed"); + } + + fn frame( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + surface: &wl_surface::WlSurface, + _time: u32, + ) { + if let Ok(mut lock_manager) = self.lock_manager.lock() { + lock_manager.update(); + + if let Some(locked_surface) = lock_manager.find_surface_by_wayland_surface(surface) + { + // For now, just log that we would update the surface + // TODO: Implement proper buffer creation for animation + log::debug!("Frame update for surface"); + } + } + } + } + + impl OutputHandler for WaylandLock { + fn output_state(&mut self) -> &mut OutputState { + &mut self.output_state + } + + fn new_output( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _output: wl_output::WlOutput, + ) { + log::info!("New output detected"); + } + + fn update_output( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _output: wl_output::WlOutput, + ) { + log::debug!("Output updated"); + } + + fn output_destroyed( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _output: wl_output::WlOutput, + ) { + log::info!("Output destroyed"); + } + } + + impl ShmHandler for WaylandLock { + fn shm_state(&mut self) -> &mut Shm { + &mut self.shm_state + } + } + + impl KeyboardHandler for WaylandLock { + fn enter( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _keyboard: &wayland_client::protocol::wl_keyboard::WlKeyboard, + _surface: &wl_surface::WlSurface, + _serial: u32, + _keys: &[u32], + _layout_keysyms: &[smithay_client_toolkit::seat::keyboard::Keysym], + ) { + log::debug!("Keyboard entered surface (serial: {})", _serial); + } + + fn leave( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _keyboard: &wayland_client::protocol::wl_keyboard::WlKeyboard, + _surface: &wl_surface::WlSurface, + _serial: u32, + ) { + log::debug!("Keyboard left surface (serial: {})", _serial); + } + + fn press_key( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _keyboard: &wayland_client::protocol::wl_keyboard::WlKeyboard, + _serial: u32, + _event: KeyEvent, + ) { + log::debug!("Key pressed (serial: {})", _serial); + } + + fn release_key( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _keyboard: &wayland_client::protocol::wl_keyboard::WlKeyboard, + _serial: u32, + _event: KeyEvent, + ) { + log::debug!("Key released (serial: {})", _serial); + } + + fn update_modifiers( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _keyboard: &wayland_client::protocol::wl_keyboard::WlKeyboard, + _serial: u32, + _modifiers: Modifiers, + ) { + log::debug!("Modifiers updated (serial: {})", _serial); + } + + fn update_repeat_info( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _keyboard: &wayland_client::protocol::wl_keyboard::WlKeyboard, + _repeat_info: RepeatInfo, + ) { + log::debug!("Repeat info updated"); + } + } + + impl PointerHandler for WaylandLock { + fn pointer_frame( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _pointer: &wayland_client::protocol::wl_pointer::WlPointer, + _events: &[smithay_client_toolkit::seat::pointer::PointerEvent], + ) { + // Screen locker doesn't need pointer events + } + } + + impl WaylandLock { + fn handle_key_event( + &mut self, + keysym: smithay_client_toolkit::seat::keyboard::Keysym, + pressed: bool, + ) { + if !pressed { + return; // Only handle key presses for now + } + + // Convert keysym to character + let ch = self.keysym_to_char(keysym); + + if let Ok(mut lock_manager) = self.lock_manager.lock() { + if let Some(ch) = ch { + log::info!("Key pressed: '{}'", ch); + + // Handle special keys + match ch { + '\n' | '\r' => { + // Enter key - submit password + log::info!("Enter pressed - would submit password"); + } + '\x1b' => { + // Escape key + log::info!("Escape pressed"); + } + 'p' | 'P' => { + // 'p' key - temp screenshot peek + log::info!("'p' pressed - would show temp screenshot"); + lock_manager.toggle_peek(); + } + _ => { + // Regular character - add to password + log::debug!("Character '{}' added to password buffer", ch); + } + } + } else { + log::debug!("Non-character keysym pressed"); + } + } + } + + fn keysym_to_char( + &self, + _keysym: smithay_client_toolkit::seat::keyboard::Keysym, + ) -> Option { + None + } + } + + impl SeatHandler for WaylandLock { + fn seat_state(&mut self) -> &mut SeatState { + &mut self.seat_state + } + + fn new_seat( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _seat: wayland_client::protocol::wl_seat::WlSeat, + ) { + log::debug!("New seat detected"); + } + + fn new_capability( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _seat: wayland_client::protocol::wl_seat::WlSeat, + capability: smithay_client_toolkit::seat::Capability, + ) { + log::debug!("New capability: {:?}", capability); + } + + fn remove_capability( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _seat: wayland_client::protocol::wl_seat::WlSeat, + capability: smithay_client_toolkit::seat::Capability, + ) { + log::debug!("Capability removed: {:?}", capability); + } + + fn remove_seat( + &mut self, + _conn: &Connection, + _qh: &QueueHandle, + _seat: wayland_client::protocol::wl_seat::WlSeat, + ) { + log::debug!("Seat removed"); + } + } + + impl ProvidesRegistryState for WaylandLock { + fn registry(&mut self) -> &mut RegistryState { + &mut self.registry_state + } + registry_handlers![OutputState, SeatState,]; + } + + smithay_client_toolkit::delegate_compositor!(WaylandLock); + smithay_client_toolkit::delegate_output!(WaylandLock); + smithay_client_toolkit::delegate_session_lock!(WaylandLock); + smithay_client_toolkit::delegate_registry!(WaylandLock); + smithay_client_toolkit::delegate_shm!(WaylandLock); + smithay_client_toolkit::delegate_seat!(WaylandLock); + smithay_client_toolkit::delegate_keyboard!(WaylandLock); + smithay_client_toolkit::delegate_pointer!(WaylandLock); + + let conn = Connection::connect_to_env()?; + let (globals, event_queue) = registry_queue_init(&conn)?; + let qh: QueueHandle = event_queue.handle(); + let mut event_loop: EventLoop = EventLoop::try_new()?; + + let mut state = WaylandLock { + loop_handle: event_loop.handle(), + conn: conn.clone(), + compositor_state: CompositorState::bind(&globals, &qh)?, + output_state: OutputState::new(&globals, &qh), + registry_state: RegistryState::new(&globals), + session_lock_state: SessionLockState::new(&globals, &qh), + seat_state: SeatState::new(&globals, &qh), + + shm_state: Shm::bind(&globals, &qh).map_err(|_| "wl_shm protocol not supported")?, + session_lock: None, + lock_surfaces: Vec::new(), + lock_manager, + config, + ctrlc_exit: ctrlc_exit.clone(), + exit: false, + }; + + state.session_lock = Some( + state + .session_lock_state + .lock(&qh) + .map_err(|_| "ext-session-lock-v1 protocol not supported by compositor")?, + ); + + log::info!("Session lock requested, waiting for compositor..."); + + WaylandSource::new(conn, event_queue).insert(event_loop.handle())?; + + while !state.exit && !state.ctrlc_exit.load(std::sync::atomic::Ordering::SeqCst) { + event_loop.dispatch(Duration::from_millis(16), &mut state)?; + } + + if state.ctrlc_exit.load(std::sync::atomic::Ordering::SeqCst) { + log::warn!("Exiting due to Ctrl+C"); + // The session lock will be destroyed when the SessionLock object is dropped + } + + log::info!("Exiting wayrustlock"); + Ok(()) +} + +fn run_demonstration_mode( + _config: Config, + lock_manager: Arc>, +) -> Result<(), Box> { + use std::thread; + use std::time::Duration; + + println!("wayrustlock - Wayland Screen Locker (Demonstration Mode)"); + println!("========================================================="); + println!("Note: Running in demonstration mode because:"); + println!("1. Not running on Wayland compositor, OR"); + println!("2. ext-session-lock-v1 protocol not available, OR"); + println!("3. Wayland connection failed"); + println!(); + println!("To actually lock your screen, ensure:"); + println!("1. You're running on sway, niri, or another Wayland compositor"); + println!("2. The compositor supports ext-session-lock-v1 protocol"); + println!("3. You have the required Wayland libraries installed"); + println!(); + + { + let mut lock_manager = lock_manager.lock().unwrap(); + lock_manager.initialize_lock_surfaces(); + log::info!( + "Initialized {} lock surface(s)", + lock_manager.surface_count() + ); + } + + log::info!("Demonstration mode: Press Ctrl+C to exit"); + + // Set up Ctrl+C handler for demonstration mode + let running = Arc::new(std::sync::atomic::AtomicBool::new(true)); + let running_clone = running.clone(); + + ctrlc::set_handler(move || { + log::warn!("Ctrl+C received - exiting demonstration mode"); + running_clone.store(false, std::sync::atomic::Ordering::SeqCst); + }) + .expect("Failed to set Ctrl+C handler"); + + while running.load(std::sync::atomic::Ordering::SeqCst) { + thread::sleep(Duration::from_millis(100)); + + { + let mut lock_manager = lock_manager.lock().unwrap(); + lock_manager.update(); + } + } + + log::info!("Exiting demonstration mode"); + Ok(()) +} diff --git a/src/render.rs b/src/render.rs new file mode 100644 index 0000000..0a94781 --- /dev/null +++ b/src/render.rs @@ -0,0 +1,335 @@ +use cairo::{Context, Format, ImageSurface}; +use std::time::Instant; + +use crate::config::Config; +use crate::util::Color; + +/// Cairo-based renderer for the lock screen +pub struct Renderer { + width: i32, + height: i32, + config: Config, + surface: ImageSurface, + context: Context, + fade_alpha: f64, + wrong_password_shown: bool, + key_highlight_shown: bool, + wrong_password_start: Option, + key_highlight_start: Option, + background: Option, +} + +impl Renderer { + /// Convert color tuple to Color struct + fn tuple_to_color(&self, color: (f64, f64, f64, f64)) -> Color { + Color { + r: (color.0 * 255.0) as u8, + g: (color.1 * 255.0) as u8, + b: (color.2 * 255.0) as u8, + a: (color.3 * 255.0) as u8, + } + } + + /// Create a new renderer with the given dimensions and configuration + pub fn new(width: i32, height: i32, config: Config) -> Self { + let surface = ImageSurface::create(Format::ARgb32, width, height) + .expect("Failed to create Cairo surface"); + let context = Context::new(&surface).expect("Failed to create Cairo context"); + + Self { + width, + height, + config, + surface, + context, + fade_alpha: 0.0, + wrong_password_shown: false, + key_highlight_shown: false, + wrong_password_start: None, + key_highlight_start: None, + background: None, + } + } + + /// Resize the renderer to new dimensions + pub fn resize(&mut self, width: i32, height: i32) { + self.width = width; + self.height = height; + + self.surface = ImageSurface::create(Format::ARgb32, width, height) + .expect("Failed to create Cairo surface"); + self.context = Context::new(&self.surface).expect("Failed to create Cairo context"); + } + + /// Set the background image (screenshot) + pub fn set_background(&mut self, background: ImageSurface) { + self.background = Some(background); + } + + /// Set the fade-in alpha value (0.0 to 1.0) + pub fn set_fade_alpha(&mut self, alpha: f64) { + self.fade_alpha = alpha.clamp(0.0, 1.0); + } + + /// Show wrong password feedback + pub fn show_wrong_password(&mut self) { + self.wrong_password_shown = true; + self.wrong_password_start = Some(Instant::now()); + } + + /// Show key highlight feedback + pub fn show_key_highlight(&mut self) { + self.key_highlight_shown = true; + self.key_highlight_start = Some(Instant::now()); + } + + /// Render the current frame + pub fn render(&mut self) { + // Clear the surface + self.context.set_source_rgba(0.0, 0.0, 0.0, 1.0); + self.context.paint().expect("Failed to clear surface"); + + // Draw background if available + if let Some(ref background) = self.background { + self.context + .set_source_surface(background, 0.0, 0.0) + .expect("Failed to set background source"); + self.context + .paint_with_alpha(self.fade_alpha) + .expect("Failed to draw background"); + } else { + // Draw solid color background + let bg_color = self.tuple_to_color((0.0, 0.0, 0.0, 1.0)); + self.context.set_source_rgba( + bg_color.r as f64 / 255.0, + bg_color.g as f64 / 255.0, + bg_color.b as f64 / 255.0, + bg_color.a as f64 / 255.0 * self.fade_alpha, + ); + self.context + .paint() + .expect("Failed to draw solid background"); + } + + // Draw clock if enabled + if self.config.clock { + self.draw_clock(); + } + + // Draw indicator if enabled + if self.config.indicator { + self.draw_indicator(); + } + + // Draw wrong password feedback if active + if self.wrong_password_shown { + self.draw_wrong_password_feedback(); + } + + // Draw key highlight feedback if active + if self.key_highlight_shown { + self.draw_key_highlight_feedback(); + } + + self.update_feedback_timers(); + } + + /// Get the rendered image surface + pub fn as_image_surface(&self) -> &ImageSurface { + &self.surface + } + + /// Get raw pixel data from the surface (ARGB32 format) + pub fn get_pixel_data(&self) -> Result, cairo::BorrowError> { + let stride = self.surface.stride() as usize; + let height = self.height as usize; + + let mut data = vec![0u8; stride * height]; + self.surface.with_data(|src| { + data.copy_from_slice(src); + })?; + + Ok(data) + } + + /// Get surface dimensions and stride + pub fn surface_info(&self) -> (i32, i32, i32) { + (self.width, self.height, self.surface.stride()) + } + + /// Draw the clock in the center of the screen + fn draw_clock(&self) { + use chrono::Local; + + let now = Local::now(); + let time_str = now.format("%H:%M").to_string(); + let date_str = now.format("%A, %B %d").to_string(); + + self.context.set_font_size(72.0); + self.context.set_source_rgba(1.0, 1.0, 1.0, self.fade_alpha); + + // Center the text + let extents = self + .context + .text_extents(&time_str) + .expect("Failed to get text extents"); + let x = (self.width as f64 - extents.width()) / 2.0; + let y = (self.height as f64 / 2.0) - extents.height() / 2.0; + + self.context.move_to(x, y); + self.context + .show_text(&time_str) + .expect("Failed to draw time"); + + // Draw date below time + self.context.set_font_size(24.0); + let date_extents = self + .context + .text_extents(&date_str) + .expect("Failed to get date extents"); + let date_x = (self.width as f64 - date_extents.width()) / 2.0; + let date_y = y + extents.height() + 20.0; + + self.context.move_to(date_x, date_y); + self.context + .show_text(&date_str) + .expect("Failed to draw date"); + } + + /// Draw the password indicator ring + fn draw_indicator(&self) { + let center_x = self.width as f64 / 2.0; + let center_y = self.height as f64 / 2.0; + let radius = self.config.indicator_radius as f64; + let thickness = self.config.indicator_thickness as f64; + + // Draw outer ring + let ring_color = self.tuple_to_color(self.config.ring_color); + self.context.set_source_rgba( + ring_color.r as f64 / 255.0, + ring_color.g as f64 / 255.0, + ring_color.b as f64 / 255.0, + ring_color.a as f64 / 255.0 * self.fade_alpha, + ); + self.context.set_line_width(thickness); + self.context + .arc(center_x, center_y, radius, 0.0, 2.0 * std::f64::consts::PI); + self.context.stroke().expect("Failed to draw ring"); + + // Draw inside fill + let inside_color = self.tuple_to_color(self.config.inside_color); + self.context.set_source_rgba( + inside_color.r as f64 / 255.0, + inside_color.g as f64 / 255.0, + inside_color.b as f64 / 255.0, + inside_color.a as f64 / 255.0 * self.fade_alpha, + ); + self.context.arc( + center_x, + center_y, + radius - thickness / 2.0, + 0.0, + 2.0 * std::f64::consts::PI, + ); + self.context.fill().expect("Failed to fill inside"); + + // Draw separator line + let separator_color = self.tuple_to_color(self.config.separator_color); + if separator_color.a > 0 { + self.context.set_source_rgba( + separator_color.r as f64 / 255.0, + separator_color.g as f64 / 255.0, + separator_color.b as f64 / 255.0, + separator_color.a as f64 / 255.0 * self.fade_alpha, + ); + self.context.set_line_width(1.0); + self.context.move_to(center_x - radius, center_y); + self.context.line_to(center_x + radius, center_y); + self.context.stroke().expect("Failed to draw separator"); + } + } + + /// Draw wrong password feedback (red flash) + fn draw_wrong_password_feedback(&self) { + let center_x = self.width as f64 / 2.0; + let center_y = self.height as f64 / 2.0; + let radius = self.config.indicator_radius as f64; + + // Calculate flash intensity based on time + let intensity = if let Some(start) = self.wrong_password_start { + let elapsed = start.elapsed(); + let duration = std::time::Duration::from_millis(500); + if elapsed < duration { + 1.0 - (elapsed.as_secs_f64() / duration.as_secs_f64()) + } else { + 0.0 + } + } else { + 0.0 + }; + + if intensity > 0.0 { + self.context + .set_source_rgba(1.0, 0.0, 0.0, intensity * self.fade_alpha); + self.context + .arc(center_x, center_y, radius, 0.0, 2.0 * std::f64::consts::PI); + self.context + .fill() + .expect("Failed to draw wrong password feedback"); + } + } + + /// Draw key highlight feedback (green flash) + fn draw_key_highlight_feedback(&self) { + let center_x = self.width as f64 / 2.0; + let center_y = self.height as f64 / 2.0; + let radius = self.config.indicator_radius as f64; + + // Calculate flash intensity based on time + let intensity = if let Some(start) = self.key_highlight_start { + let elapsed = start.elapsed(); + let duration = std::time::Duration::from_millis(200); + if elapsed < duration { + 1.0 - (elapsed.as_secs_f64() / duration.as_secs_f64()) + } else { + 0.0 + } + } else { + 0.0 + }; + + if intensity > 0.0 { + let key_hl_color = self.tuple_to_color(self.config.key_hl_color); + self.context.set_source_rgba( + key_hl_color.r as f64 / 255.0, + key_hl_color.g as f64 / 255.0, + key_hl_color.b as f64 / 255.0, + key_hl_color.a as f64 / 255.0 * intensity * self.fade_alpha, + ); + self.context + .arc(center_x, center_y, radius, 0.0, 2.0 * std::f64::consts::PI); + self.context + .fill() + .expect("Failed to draw key highlight feedback"); + } + } + + /// Update feedback timers and reset expired feedback + fn update_feedback_timers(&mut self) { + // Check wrong password feedback timeout + if let Some(start) = self.wrong_password_start { + if start.elapsed() > std::time::Duration::from_millis(500) { + self.wrong_password_shown = false; + self.wrong_password_start = None; + } + } + + // Check key highlight feedback timeout + if let Some(start) = self.key_highlight_start { + if start.elapsed() > std::time::Duration::from_millis(200) { + self.key_highlight_shown = false; + self.key_highlight_start = None; + } + } + } +} diff --git a/src/screenshot.rs b/src/screenshot.rs new file mode 100644 index 0000000..6596763 --- /dev/null +++ b/src/screenshot.rs @@ -0,0 +1,99 @@ +pub struct Screenshot { + pub width: u32, + pub height: u32, + pub data: Vec, +} + +impl Screenshot { + pub fn capture( + _output: wayland_client::protocol::wl_output::WlOutput, + width: i32, + height: i32, + ) -> Result { + let width = width as u32; + let height = height as u32; + let size = (width * height * 4) as usize; + let mut data = vec![0u8; size]; + + for i in 0..(width * height) as usize { + let offset = i * 4; + data[offset] = 40; + data[offset + 1] = 44; + data[offset + 2] = 52; + data[offset + 3] = 255; + } + + Ok(Self { + width, + height, + data, + }) + } + + pub fn apply_blur(&mut self, radius: u32, times: u32) { + if radius == 0 || times == 0 { + return; + } + + let mut img: image::ImageBuffer, Vec> = + image::ImageBuffer::from_raw(self.width, self.height, self.data.clone()) + .expect("Failed to create image buffer"); + + for _ in 0..times { + let mut rgb_data: Vec<[u8; 3]> = + Vec::with_capacity((self.width * self.height) as usize); + for pixel in img.pixels() { + rgb_data.push([pixel[0], pixel[1], pixel[2]]); + } + + fastblur::gaussian_blur( + &mut rgb_data, + self.width as usize, + self.height as usize, + radius as f32, + ); + + for (i, pixel) in img.pixels_mut().enumerate() { + pixel[0] = rgb_data[i][0]; + pixel[1] = rgb_data[i][1]; + pixel[2] = rgb_data[i][2]; + } + } + + self.data = img.into_raw(); + } + + pub fn apply_vignette(&mut self, base: f32, factor: f32) { + let center_x = self.width as f32 / 2.0; + let center_y = self.height as f32 / 2.0; + let max_distance = (center_x * center_x + center_y * center_y).sqrt(); + + for y in 0..self.height { + for x in 0..self.width { + let dx = x as f32 - center_x; + let dy = y as f32 - center_y; + let distance = (dx * dx + dy * dy).sqrt(); + let vignette_factor = base + (1.0 - base) * (distance / max_distance).powf(factor); + + let index = ((y * self.width + x) * 4) as usize; + for i in 0..3 { + let value = self.data[index + i] as f32 * vignette_factor; + self.data[index + i] = value.clamp(0.0, 255.0) as u8; + } + } + } + } + + pub fn as_image_surface(&self) -> cairo::ImageSurface { + let surface = cairo::ImageSurface::create( + cairo::Format::ARgb32, + self.width as i32, + self.height as i32, + ) + .expect("Failed to create image surface"); + + // TODO: Properly copy pixel data to surface using cairo API + // For now, return empty surface + surface + } +} diff --git a/src/timer.rs b/src/timer.rs new file mode 100644 index 0000000..764549e --- /dev/null +++ b/src/timer.rs @@ -0,0 +1,26 @@ +use std::time::Duration; + +pub struct FadeTimer { + duration: Duration, + start_time: std::time::Instant, +} + +impl FadeTimer { + pub fn new(duration: Duration) -> Self { + Self { + duration, + start_time: std::time::Instant::now(), + } + } + + pub fn update(&mut self) -> bool { + let elapsed = self.start_time.elapsed(); + let progress = elapsed.as_secs_f64() / self.duration.as_secs_f64(); + progress >= 1.0 + } + + pub fn current_alpha(&self) -> f64 { + let elapsed = self.start_time.elapsed(); + (elapsed.as_secs_f64() / self.duration.as_secs_f64()).min(1.0) + } +} diff --git a/src/util.rs b/src/util.rs new file mode 100644 index 0000000..0b66ea8 --- /dev/null +++ b/src/util.rs @@ -0,0 +1,60 @@ +pub fn parse_hex_color(s: &str) -> Result<(f64, f64, f64, f64), String> { + let s = s.trim_start_matches('#'); + let len = s.len(); + + if len != 6 && len != 8 { + return Err("Color must be 6 (RRGGBB) or 8 (RRGGBBAA)".to_string()); + } + + let r = u8::from_str_radix(&s[0..2], 16).map_err(|_| "Invalid red")? as f64 / 255.0; + let g = u8::from_str_radix(&s[2..4], 16).map_err(|_| "Invalid green")? as f64 / 255.0; + let b = u8::from_str_radix(&s[4..6], 16).map_err(|_| "Invalid blue")? as f64 / 255.0; + + let a = if len == 8 { + u8::from_str_radix(&s[6..8], 16).map_err(|_| "Invalid alpha")? as f64 / 255.0 + } else { + 1.0 + }; + + Ok((r, g, b, a)) +} + +pub fn parse_blur_effect(s: &str) -> Result<(u32, u32), String> { + let parts: Vec<&str> = s.split('x').collect(); + if parts.len() != 2 { + return Err("Blur must be radiusxtimes".to_string()); + } + let radius = parts[0].parse().map_err(|_| "Invalid radius")?; + let times = parts[1].parse().map_err(|_| "Invalid times")?; + Ok((radius, times)) +} + +pub fn parse_vignette_effect(s: &str) -> Result<(f32, f32), String> { + let parts: Vec<&str> = s.split(':').collect(); + if parts.len() != 2 { + return Err("Vignette must be base:factor".to_string()); + } + let base = parts[0].parse().map_err(|_| "Invalid base")?; + let factor = parts[1].parse().map_err(|_| "Invalid factor")?; + Ok((base, factor)) +} + +/// Convert hex color string to RGBA color struct +pub fn hex_to_rgba(hex: &str) -> Color { + let (r, g, b, a) = parse_hex_color(hex).unwrap_or((0.0, 0.0, 0.0, 1.0)); + Color { + r: (r * 255.0) as u8, + g: (g * 255.0) as u8, + b: (b * 255.0) as u8, + a: (a * 255.0) as u8, + } +} + +/// RGBA color struct +#[derive(Debug, Clone, Copy)] +pub struct Color { + pub r: u8, + pub g: u8, + pub b: u8, + pub a: u8, +}