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Parse cli arguments with clap

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This commit is contained in:
Julian Mutter 2023-09-29 18:49:33 +02:00
parent 1f33d09ec1
commit 49de8dd465
3 changed files with 204 additions and 23 deletions
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173
Cargo.lock generated
View File

@ -2,6 +2,54 @@
# It is not intended for manual editing.
version = 3
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]
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[[package]]
name = "anstyle-parse"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"utf8parse",
]
[[package]]
name = "anstyle-query"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"windows-sys",
]
[[package]]
name = "anstyle-wincon"
version = "3.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0699d10d2f4d628a98ee7b57b289abbc98ff3bad977cb3152709d4bf2330628"
dependencies = [
"anstyle",
"windows-sys",
]
[[package]]
name = "anyhow"
version = "1.0.75"
@ -54,6 +102,52 @@ dependencies = [
"target-lexicon",
]
[[package]]
name = "clap"
version = "4.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d04704f56c2cde07f43e8e2c154b43f216dc5c92fc98ada720177362f953b956"
dependencies = [
"clap_builder",
"clap_derive",
]
[[package]]
name = "clap_builder"
version = "4.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0e231faeaca65ebd1ea3c737966bf858971cd38c3849107aa3ea7de90a804e45"
dependencies = [
"anstream",
"anstyle",
"clap_lex",
"strsim",
]
[[package]]
name = "clap_derive"
version = "4.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0862016ff20d69b84ef8247369fabf5c008a7417002411897d40ee1f4532b873"
dependencies = [
"heck",
"proc-macro2",
"quote",
"syn 2.0.37",
]
[[package]]
name = "clap_lex"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
[[package]]
name = "colorchoice"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
[[package]]
name = "equivalent"
version = "1.0.1"
@ -426,6 +520,7 @@ name = "music-reader"
version = "0.1.0"
dependencies = [
"cairo-rs",
"clap",
"gio",
"glib",
"glib-macros",
@ -612,6 +707,12 @@ version = "1.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
[[package]]
name = "strsim"
version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]]
name = "syn"
version = "1.0.109"
@ -713,6 +814,12 @@ version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
[[package]]
name = "utf8parse"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
[[package]]
name = "version-compare"
version = "0.1.1"
@ -747,6 +854,72 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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1
Cargo.toml
View File

@ -10,3 +10,4 @@ glib-macros = "0.15.11"
gio = "0.15.12"
glib = "0.15.12"
gtk4 = "0.4.8"
clap = { version = "4.4.6", features = ["derive"] }

53
src/main.rs
View File

@ -1,4 +1,5 @@
use cairo::Context;
use clap::Parser;
use gio::ApplicationFlags;
use glib::clone;
use gtk4::prelude::*;
@ -6,30 +7,34 @@ use gtk4::{Application, ApplicationWindow, DrawingArea, Label};
use poppler::PopplerDocument;
use std::cell::RefCell;
use std::env;
use std::ffi::OsString;
use std::path::PathBuf;
use std::rc::Rc;
const APP_ID: &str = "de.frajul.music-reader";
fn main() {
let app = Application::builder()
.application_id(APP_ID)
.flags(ApplicationFlags::HANDLES_OPEN | ApplicationFlags::HANDLES_COMMAND_LINE)
.build();
app.connect_command_line(move |app, cmdline| {
build_ui(&app, cmdline.arguments());
0
});
app.run_with_args(&env::args().collect::<Vec<_>>());
app.run();
#[derive(Parser)]
#[command(author, version, about)]
struct Cli {
file: Option<PathBuf>,
}
fn build_ui(app: &Application, arguments: Vec<OsString>) {
let filename = arguments
.get(1)
.and_then(|arg| arg.clone().into_string().ok());
fn main() {
let cli = Cli::parse();
println!("Parse args");
let app = Application::builder()
.application_id(APP_ID)
.flags(gio::ApplicationFlags::FLAGS_NONE)
.build();
app.connect_activate(move |app| {
build_ui(&app, &cli);
});
app.run_with_args(&[] as &[&str]);
}
fn build_ui(app: &Application, cli: &Cli) {
println!("building ui");
let open_file_button = gtk4::Button::from_icon_name("document-open");
let app_wrapper = gtk4::Box::builder()
@ -59,7 +64,8 @@ fn build_ui(app: &Application, arguments: Vec<OsString>) {
}
});
let load_doc = move |filename: String| {
let load_doc = move |file: &PathBuf| {
println!("Loading file...");
let drawing_area = DrawingArea::builder()
.width_request(100)
.height_request(100)
@ -81,7 +87,7 @@ fn build_ui(app: &Application, arguments: Vec<OsString>) {
}
bottom_bar.append(&page_indicator);
let doc = PopplerDocument::new_from_file(filename, "").unwrap();
let doc = PopplerDocument::new_from_file(file, "").unwrap();
let num_pages = doc.get_n_pages();
let num_pages_ref = Rc::new(RefCell::new(num_pages));
@ -161,8 +167,9 @@ fn build_ui(app: &Application, arguments: Vec<OsString>) {
});
};
if filename.is_some() {
load_doc(filename.unwrap());
match cli.file.as_ref() {
Some(file) => load_doc(file),
None => {}
}
open_file_button.connect_clicked(clone!(@weak window, @strong load_doc => move |_button| {
@ -176,8 +183,8 @@ fn build_ui(app: &Application, arguments: Vec<OsString>) {
filechooser.set_transient_for(Some(&window));
filechooser.connect_response(clone!(@strong load_doc => move |d, response| {
if response == gtk4::ResponseType::Accept {
let path = d.file().unwrap().path().unwrap().into_os_string().into_string().unwrap();
load_doc(path);
let path = d.file().unwrap().path().unwrap();
load_doc(&path);
}
d.destroy();
}));