fix(options): handling and overwriting cli opts (#859)

* fix(options): handling ond verwriting cli opts

* previously it was only possible to turn off certain features with a
  command line option, now it is possible to also overwrite this
  behavior in a sane way, for that some breaking changes happened:

  following options got renamed and inverted:
  ```
  disable_mouse_mode -> mouse_mode
  no_pane_frames -> pane_frames
  ```

  following cli options got added:
  ```
  mouse-mode [bool]
  pane-frames [bool]
  simplified-ui [bool]
  ```

  the following cli flag got removed:
  ```
  simplified-ui
  ```

  They can be specified in the following way:
  ```
  zellij options --mouse-mode true
  ```
  in order to enable the mouse mode, even if it is turned off in the
  config file:
  ```
  mouse_mode: false
  ```

  The order is now as follows:
  1. corresponding flag (`disable-mouse-mode`)
  2. corresponding option (`mouse-mode`)
  3. corresponding config option (`mouse_mode`)

* add: options and flags for the same value conflict

* example:
  ```
  zellij options --mouse-mode true --disable-mouse-mode`
  ```
  ```
  $ error: The argument '--mouse-mode <mouse-mode>' cannot be used with '--disable-mouse-mode'
  ```

2 files changed, 41 insertions, 52 deletions

diff --git a/zellij-utils/src/input/options.rs b/zellij-utils/src/input/options.rs
index c23267fb6..55036069d 100644
--- a/zellij-utils/src/input/options.rs
+++ b/zellij-utils/src/input/options.rs
@@ -39,7 +39,7 @@ impl FromStr for OnForceClose {
 /// into Options and CliOptions, this could be a good canditate for a macro
 pub struct Options {
     /// Allow plugins to use a more simplified layout
-    /// that is compatible with more fonts
+    /// that is compatible with more fonts (true or false)
     #[structopt(long)]
     #[serde(default)]
     pub simplified_ui: Option<bool>,
@@ -58,11 +58,13 @@ pub struct Options {
     pub layout_dir: Option<PathBuf>,
     #[structopt(long)]
     #[serde(default)]
-    /// Disable handling of mouse events
-    pub disable_mouse_mode: Option<bool>,
+    /// Set the handling of mouse events (true or false)
+    /// Can be temporarily bypassed by the [SHIFT] key
+    pub mouse_mode: Option<bool>,
     #[structopt(long)]
     #[serde(default)]
-    pub no_pane_frames: Option<bool>,
+    /// Set display of the pane frames (true or false)
+    pub pane_frames: Option<bool>,
     /// Set behaviour on force close (quit or detach)
     #[structopt(long)]
     pub on_force_close: Option<OnForceClose>,
@@ -81,8 +83,8 @@ impl Options {
     /// will supercede a `Some` in `self`
     // TODO: Maybe a good candidate for a macro?
     pub fn merge(&self, other: Options) -> Options {
-        let disable_mouse_mode = other.disable_mouse_mode.or(self.disable_mouse_mode);
-        let no_pane_frames = other.no_pane_frames.or(self.no_pane_frames);
+        let mouse_mode = other.mouse_mode.or(self.mouse_mode);
+        let pane_frames = other.pane_frames.or(self.pane_frames);
         let simplified_ui = other.simplified_ui.or(self.simplified_ui);
         let default_mode = other.default_mode.or(self.default_mode);
         let default_shell = other.default_shell.or_else(|| self.default_shell.clone());
@@ -96,8 +98,8 @@ impl Options {
             default_mode,
             default_shell,
             layout_dir,
-            disable_mouse_mode,
-            no_pane_frames,
+            mouse_mode,
+            pane_frames,
             on_force_close,
         }
     }
@@ -118,8 +120,8 @@ impl Options {
         };
 
         let simplified_ui = merge_bool(other.simplified_ui, self.simplified_ui);
-        let disable_mouse_mode = merge_bool(other.disable_mouse_mode, self.disable_mouse_mode);
-        let no_pane_frames = merge_bool(other.no_pane_frames, self.no_pane_frames);
+        let mouse_mode = merge_bool(other.mouse_mode, self.mouse_mode);
+        let pane_frames = merge_bool(other.pane_frames, self.pane_frames);
 
         let default_mode = other.default_mode.or(self.default_mode);
         let default_shell = other.default_shell.or_else(|| self.default_shell.clone());
@@ -133,8 +135,8 @@ impl Options {
             default_mode,
             default_shell,
             layout_dir,
-            disable_mouse_mode,
-            no_pane_frames,
+            mouse_mode,
+            pane_frames,
             on_force_close,
         }
     }
@@ -152,52 +154,36 @@ impl Options {
 /// Options that can be set through cli flags
 /// boolean flags end up toggling boolean options in `Options`
 pub struct CliOptions {
-    /// Allow plugins to use a more simplified layout
-    /// that is compatible with more fonts
-    #[structopt(long)]
-    pub simplified_ui: bool,
-    /// Set the default theme
-    #[structopt(long)]
-    pub theme: Option<String>,
-    /// Set the default mode
-    #[structopt(long)]
-    pub default_mode: Option<InputMode>,
-    /// Set the default shell
-    #[structopt(long, parse(from_os_str))]
-    pub default_shell: Option<PathBuf>,
-    /// Set the layout_dir, defaults to
-    /// subdirectory of config dir
-    #[structopt(long, parse(from_os_str))]
-    pub layout_dir: Option<PathBuf>,
-    #[structopt(long)]
     /// Disable handling of mouse events
+    #[structopt(long, conflicts_with("mouse-mode"))]
     pub disable_mouse_mode: bool,
-    #[structopt(long)]
+    /// Disable display of pane frames
+    #[structopt(long, conflicts_with("pane-frames"))]
     pub no_pane_frames: bool,
-    /// Set behaviour on force close (quit or detach)
-    #[structopt(long)]
-    pub on_force_close: Option<OnForceClose>,
+    #[structopt(flatten)]
+    options: Options,
 }
 
 impl From<CliOptions> for Options {
     fn from(cli_options: CliOptions) -> Self {
-        let handle_bool = |bool| {
-            if bool {
-                Some(true)
-            } else {
-                None
-            }
-        };
+        let mut opts = cli_options.options;
+
+        if cli_options.no_pane_frames {
+            opts.pane_frames = Some(false);
+        }
+        if cli_options.disable_mouse_mode {
+            opts.mouse_mode = Some(false);
+        }
 
         Self {
-            simplified_ui: handle_bool(cli_options.simplified_ui),
-            theme: cli_options.theme,
-            default_mode: cli_options.default_mode,
-            default_shell: cli_options.default_shell,
-            layout_dir: cli_options.layout_dir,
-            disable_mouse_mode: handle_bool(cli_options.disable_mouse_mode),
-            no_pane_frames: handle_bool(cli_options.no_pane_frames),
-            on_force_close: cli_options.on_force_close,
+            simplified_ui: opts.simplified_ui,
+            theme: opts.theme,
+            default_mode: opts.default_mode,
+            default_shell: opts.default_shell,
+            layout_dir: opts.layout_dir,
+            mouse_mode: opts.mouse_mode,
+            pane_frames: opts.pane_frames,
+            on_force_close: opts.on_force_close,
         }
     }
 }
diff --git a/zellij-utils/src/setup.rs b/zellij-utils/src/setup.rs
index 1ca596ffc..fcd90d1c3 100644
--- a/zellij-utils/src/setup.rs
+++ b/zellij-utils/src/setup.rs
@@ -270,7 +270,7 @@ impl Setup {
         // https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda
         let hyperlink_start = "\u{1b}]8;;";
         let hyperlink_mid = "\u{1b}\\";
-        let hyperlink_end = "\u{1b}]8;;\u{1b}\\\n'";
+        let hyperlink_end = "\u{1b}]8;;\u{1b}\\";
 
         let mut message = String::new();
 
@@ -315,7 +315,7 @@ impl Setup {
 
         message.push_str(&format!("[ARROW SEPARATOR]: {}\n", ARROW_SEPARATOR));
         message.push_str(" Is the [ARROW_SEPARATOR] displayed correctly?\n");
-        message.push_str(" If not you may want to either start zellij with a compatible mode 'zellij options --simplified-ui'\n");
+        message.push_str(" If not you may want to either start zellij with a compatible mode: 'zellij options --simplified-ui true'\n");
         let mut hyperlink_compat = String::new();
         hyperlink_compat.push_str(hyperlink_start);
         hyperlink_compat.push_str("https://zellij.dev/documentation/compatibility.html#the-status-bar-fonts-dont-render-correctly");
@@ -326,6 +326,9 @@ impl Setup {
             " Or check the font that is in use:\n {}\n",
             hyperlink_compat
         ));
+        message.push_str("[MOUSE INTERACTION]: \n");
+        message.push_str(" Can be temporarily disabled through pressing the [SHIFT] key.\n");
+        message.push_str(" If that doesn't fix any issues consider to disable the mouse handling of zellij: 'zellij options --disable-mouse-mode'\n");
 
         message.push_str(&format!("[FEATURES]: {:?}\n", FEATURES));
         let mut hyperlink = String::new();
@@ -334,7 +337,7 @@ impl Setup {
         hyperlink.push_str(hyperlink_mid);
         hyperlink.push_str("zellij.dev/documentation");
         hyperlink.push_str(hyperlink_end);
-        message.push_str(&format!("[DOCUMENTATION]: {}", hyperlink));
+        message.push_str(&format!("[DOCUMENTATION]: {}\n", hyperlink));
         //printf '\e]8;;http://example.com\e\\This is a link\e]8;;\e\\\n'
 
         std::io::stdout().write_all(message.as_bytes())?;