Add support for WezTerm

Wez's Terminal Emulator - https://wezfurlong.org/wezterm/

Uses iTerm image protocol for rendering images

CHANGELOG.md

@@ -8,6 +8,11 @@ To publish a new release run `scripts/release` from the project directory.
 
 ## [Unreleased]
 
+## [0.23.0] - 2021-06-29
+
+### Added
+- Support for WezTerm - https://wezfurlong.org/wezterm/
+
 ## [0.22.4] – 2021-04-15
 
 ### Changed

src/terminal.rs

@@ -80,6 +80,12 @@ fn get_vte_version() -> Option<(u8, u8)> {
     })
 }
 
+/// Check if current type of the terminal matches given string
+fn is_wezterm() -> bool {
+    std::env::var("TERM")
+        .map_or(false, |value| value == "wezterm")
+}
+
 impl TerminalCapabilities {
     /// A terminal which supports nothing.
     pub fn none() -> TerminalCapabilities {
@@ -149,6 +155,25 @@ impl TerminalCapabilities {
         }
     }
 
+    // Wez's Terminal Emulator
+    //
+    // WezTerm is a GPU-accelerated cross-platform
+    // terminal emulator and multiplexer written by @wez
+    // and implemented in Rust
+    //
+    // https://wezfurlong.org/wezterm/
+    //
+    /// Terminal capabilities of WezTerm
+    pub fn wezterm() -> TerminalCapabilities {
+        TerminalCapabilities {
+            name: "WezTerm".to_string(),
+            style: Some(StyleCapability::Ansi(AnsiStyle)),
+            links: Some(LinkCapability::Osc8(self::osc::Osc8Links)),
+            image: Some(ImageCapability::ITerm2(self::iterm2::ITerm2Images)),
+            marks: None,
+        }
+    }
+
     /// Detect the capabilities of the current terminal.
     pub fn detect() -> TerminalCapabilities {
         if self::iterm2::is_iterm2() {
@@ -157,6 +182,8 @@ impl TerminalCapabilities {
             Self::terminology()
         } else if self::kitty::is_kitty() {
             Self::kitty()
+        } else if is_wezterm() {
+            Self::wezterm()
         } else if get_vte_version().filter(|&v| v >= (50, 0)).is_some() {
             Self::vte50()
         } else {