Add pager for longer output

Cargo.lock

@@ -16,7 +16,7 @@ dependencies = [
  "color-eyre",
  "colored",
  "console",
- "crossterm",
+ "crossterm 0.25.0",
  "dialoguer",
  "directories",
  "futures",
@@ -25,12 +25,13 @@ dependencies = [
  "lazy-regex",
  "lazy_static",
  "libc",
+ "minus",
  "native-tls",
  "pacmanconf",
- "parking_lot",
+ "parking_lot 0.12.1",
  "regex",
  "serde",
- "textwrap",
+ "textwrap 0.15.0",
  "tokio",
  "toml",
  "tracing",
@@ -236,7 +237,7 @@ dependencies = [
  "strsim",
  "termcolor",
  "terminal_size",
- "textwrap",
+ "textwrap 0.15.0",
 ]
 
 [[package]]
@@ -339,6 +340,42 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521"
+dependencies = [
+ "cfg-if",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51887d4adc7b564537b15adcfb307936f8075dfcd5f00dde9a9f1d29383682bc"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+]
+
+[[package]]
+name = "crossterm"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c85525306c4291d1b73ce93c8acf9c339f9b213aef6c1d85c3830cbf1c16325c"
+dependencies = [
+ "bitflags",
+ "crossterm_winapi",
+ "libc",
+ "mio 0.7.14",
+ "parking_lot 0.11.2",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
 [[package]]
 name = "crossterm"
 version = "0.25.0"
@@ -348,8 +385,8 @@ dependencies = [
  "bitflags",
  "crossterm_winapi",
  "libc",
- "mio",
+ "mio 0.8.4",
- "parking_lot",
+ "parking_lot 0.12.1",
  "signal-hook",
  "signal-hook-mio",
  "winapi",
@@ -866,6 +903,34 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "minus"
+version = "5.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bcbd621a681aa2f5b0e87ab547159ec695d1122fc24a297e4aac307ac74609f"
+dependencies = [
+ "crossbeam-channel",
+ "crossbeam-utils",
+ "crossterm 0.22.1",
+ "once_cell",
+ "regex",
+ "textwrap 0.13.4",
+ "thiserror",
+]
+
+[[package]]
+name = "mio"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
+dependencies = [
+ "libc",
+ "log",
+ "miow",
+ "ntapi",
+ "winapi",
+]
+
 [[package]]
 name = "mio"
 version = "0.8.4"
@@ -878,6 +943,15 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "miow"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.10"
@@ -896,6 +970,15 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "ntapi"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -1012,6 +1095,17 @@ dependencies = [
  "cini",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+dependencies = [
+ "instant",
+ "lock_api",
+ "parking_lot_core 0.8.5",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1019,7 +1113,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.9.3",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
+dependencies = [
+ "cfg-if",
+ "instant",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "winapi",
 ]
 
 [[package]]
@@ -1326,7 +1434,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "29ad2e15f37ec9a6cc544097b78a1ec90001e9f71b81338ca39f430adaca99af"
 dependencies = [
  "libc",
- "mio",
+ "mio 0.7.14",
+ "mio 0.8.4",
  "signal-hook",
 ]
 
@@ -1420,6 +1529,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "textwrap"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd05616119e612a8041ef58f2b578906cc2531a6069047ae092cfb86a325d835"
+dependencies = [
+ "unicode-width",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.15.0"
@@ -1508,7 +1626,7 @@ dependencies = [
  "bytes",
  "libc",
  "memchr",
- "mio",
+ "mio 0.8.4",
  "num_cpus",
  "once_cell",
  "pin-project-lite",

Cargo.toml

@@ -23,6 +23,7 @@ codegen-units = 1
 opt-level = 0
 
 [dependencies]
+minus = { version = "5.0.5", features = ["search", "static_output"] }
 alpm = "2.2.1"
 alpm-utils = "2.0.0"
 pacmanconf = "2.0.0"

src/interact/mod.rs

@@ -1,10 +1,12 @@
 pub mod macros;
 mod multi_select;
+mod paging;
 mod prompt;
 mod select;
 mod theme;
 
 pub use multi_select::AmeMultiSelect;
+pub use paging::page_string;
 pub use prompt::AmePrompt;
 pub use select::AmeFuzzySelect;
 

src/interact/paging.rs

@@ -0,0 +1,18 @@
+use std::env;
+use std::fmt::Write;
+
+use crate::internal::error::AppError;
+use crate::internal::error::AppResult;
+use crate::with_suspended_output;
+
+use minus::Pager;
+
+pub fn page_string<S: ToString>(content: S) -> AppResult<()> {
+    let mut pager = Pager::new();
+    pager.set_prompt(
+        env::args().collect::<Vec<String>>().join(" ")
+            + " | Q: quit | /: Search | n: next result | p: previous result",
+    )?;
+    writeln!(pager, "{}", content.to_string())?;
+    with_suspended_output!({ minus::page_all(pager).map_err(AppError::from) })
+}

src/internal/error.rs

@@ -19,6 +19,8 @@ pub enum AppError {
     UserCancellation,
     MissingDependencies(Vec<String>),
     MakePkg(String),
+    MinusError(minus::MinusError),
+    FmtError(std::fmt::Error),
 }
 
 impl Display for AppError {
@@ -35,6 +37,8 @@ impl Display for AppError {
                 write!(f, "Missing dependencies {}", deps.join(", "))
             }
             AppError::MakePkg(msg) => write!(f, "Failed to ru makepkg {msg}"),
+            AppError::MinusError(e) => Display::fmt(e, f),
+            AppError::FmtError(e) => Display::fmt(e, f),
         }
     }
 }
@@ -65,6 +69,18 @@ impl From<&str> for AppError {
     }
 }
 
+impl From<minus::MinusError> for AppError {
+    fn from(e: minus::MinusError) -> Self {
+        Self::MinusError(e)
+    }
+}
+
+impl From<std::fmt::Error> for AppError {
+    fn from(e: std::fmt::Error) -> Self {
+        Self::FmtError(e)
+    }
+}
+
 pub trait SilentUnwrap<T> {
     fn silent_unwrap(self, error_code: AppExitCode) -> T;
 }

src/main.rs

@@ -1,10 +1,12 @@
 use args::{Args, GenCompArgs, InfoArgs};
 use builder::pacman::{PacmanColor, PacmanQueryBuilder};
 use clap::Parser;
+
 use internal::commands::ShellCommand;
 use internal::error::SilentUnwrap;
 
 use crate::args::{InstallArgs, Operation, QueryArgs, RemoveArgs, SearchArgs};
+use crate::interact::page_string;
 use crate::internal::detect;
 use crate::internal::exit_code::AppExitCode;
 use crate::internal::{sort, start_sudoloop, structs::Options};
@@ -133,7 +135,10 @@ async fn cmd_search(args: SearchArgs, options: Options) {
     } else {
         tracing::info!("Results:");
         let list: Vec<String> = results.iter().map(|x| x.to_print_string()).collect();
-        get_logger().print_list(list, "\n", 0);
+        get_logger().print_list(&list, "\n", 0);
+        if list.join("\n").lines().count() > crossterm::terminal::size().unwrap().1 as usize {
+            page_string(&list.join("\n")).silent_unwrap(AppExitCode::Other);
+        }
     }
 }