diff options
Diffstat (limited to 'src/backends')
-rw-r--r-- | src/backends/dialog.rs | 47 | ||||
-rw-r--r-- | src/backends/kdialog.rs | 152 | ||||
-rw-r--r-- | src/backends/mod.rs | 10 | ||||
-rw-r--r-- | src/backends/stdio.rs | 21 | ||||
-rw-r--r-- | src/backends/zenity.rs | 59 |
5 files changed, 237 insertions, 52 deletions
diff --git a/src/backends/dialog.rs b/src/backends/dialog.rs index e681caf..668cf57 100644 --- a/src/backends/dialog.rs +++ b/src/backends/dialog.rs @@ -3,7 +3,7 @@ use std::process; -use crate::{Choice, Error, Input, Message, Password, Question, Result}; +use crate::{Choice, Error, FileSelection, Input, Message, Password, Question, Result}; /// The `dialog` backend. /// @@ -19,11 +19,7 @@ pub struct Dialog { impl Dialog { /// Creates a new `Dialog` instance without configuration. pub fn new() -> Dialog { - Dialog { - backtitle: None, - height: "0".to_string(), - width: "0".to_string(), - } + Default::default() } /// Sets the backtitle for the dialog boxes. @@ -87,6 +83,16 @@ impl AsRef<Dialog> for Dialog { } } +impl Default for Dialog { + fn default() -> Self { + Dialog { + backtitle: None, + height: "0".to_string(), + width: "0".to_string(), + } + } +} + fn require_success(status: process::ExitStatus) -> Result<()> { if status.success() { Ok(()) @@ -111,19 +117,17 @@ fn get_choice(status: process::ExitStatus) -> Result<Choice> { fn get_stderr(output: process::Output) -> Result<Option<String>> { if output.status.success() { String::from_utf8(output.stderr) - .map(|s| Some(s)) - .map_err(|err| Error::from(err)) - } else { - if let Some(code) = output.status.code() { - match code { - 0 => Ok(None), - 1 => Ok(None), - 255 => Ok(None), - _ => Err(Error::from(("dialog", output.status))), - } - } else { - Err(Error::from(("dialog", output.status))) + .map(Some) + .map_err(Error::from) + } else if let Some(code) = output.status.code() { + match code { + 0 => Ok(None), + 1 => Ok(None), + 255 => Ok(None), + _ => Err(Error::from(("dialog", output.status))), } + } else { + Err(Error::from(("dialog", output.status))) } } @@ -156,4 +160,11 @@ impl super::Backend for Dialog { self.execute(args, vec![], &question.title) .and_then(|output| get_choice(output.status)) } + + fn show_file_selection(&self, file_selection: &FileSelection) -> Result<Option<String>> { + let dir = file_selection.path_to_string().ok_or("path not valid")?; + let args = vec!["--fselect", &dir]; + self.execute(args, vec![], &file_selection.title) + .and_then(get_stderr) + } } diff --git a/src/backends/kdialog.rs b/src/backends/kdialog.rs new file mode 100644 index 0000000..21928f8 --- /dev/null +++ b/src/backends/kdialog.rs @@ -0,0 +1,152 @@ +// Copyright (C) 2019 Robin Krahl <robin.krahl@ireas.org> +// Copyright (C) 2019 Stephan Sokolow <http://www.ssokolow.com/ContactMe> +// SPDX-License-Identifier: MIT + +use std::process; + +use crate::{ + Choice, Error, FileSelection, FileSelectionMode, Input, Message, Password, Question, Result, +}; + +/// Subprocess exit codes +/// +/// Note: `kdialog` doesn't have a fixed correspondence between button labels and status codes. +/// The following mappings occur: +/// +/// - Yes/No = `0`/`1` +/// - Yes/No/Cancel = `0`/`1`/`2` +/// - OK/Cancel = `0`/`1` +const OK: i32 = 0; +const CANCEL: i32 = 1; + +/// The `kdialog` backend. +/// +/// This backend uses the external `kdialog` program to display KDE dialog boxes. +#[derive(Debug, Default)] +pub struct KDialog { + icon: Option<String>, + // TODO: --dontagain +} + +impl KDialog { + /// Creates a new `KDialog` instance without configuration. + pub fn new() -> KDialog { + Default::default() + } + + /// Sets the icon in the dialog box's titlebar and taskbar button. + /// + /// The icon can be either a name from the user's configured icon theme, such as `error` or + /// `info` or the path to an image to use. + /// + /// The default image depends on the dialog type. + pub fn set_icon(&mut self, icon: impl Into<String>) { + self.icon = Some(icon.into()); + } + + pub(crate) fn is_available() -> bool { + super::is_available("kdialog") + } + + fn execute(&self, args: Vec<&str>, title: &Option<String>) -> Result<process::Output> { + let mut command = process::Command::new("kdialog"); + + if let Some(ref icon) = self.icon { + command.arg("--icon"); + command.arg(icon); + } + if let Some(ref title) = title { + command.arg("--title"); + command.arg(title); + } + + command.args(args); + command.output().map_err(Error::IoError) + } +} + +impl AsRef<KDialog> for KDialog { + fn as_ref(&self) -> &Self { + self + } +} + +fn require_success(status: process::ExitStatus) -> Result<()> { + if status.success() { + Ok(()) + } else if let Some(code) = status.code() { + match code { + CANCEL => Ok(()), + _ => Err(Error::from(("kdialog", status))), + } + } else { + Err(Error::from(("kdialog", status))) + } +} + +fn get_choice(status: process::ExitStatus) -> Result<Choice> { + if let Some(code) = status.code() { + match code { + OK => Ok(Choice::Yes), + CANCEL => Ok(Choice::No), + _ => Err(Error::from(("kdialog", status))), + } + } else { + Err(Error::from(("kdialog", status))) + } +} + +fn get_stdout(output: process::Output) -> Result<Option<String>> { + if output.status.success() { + String::from_utf8(output.stdout) + .map(|s| Some(s.trim_end_matches('\n').to_string())) + .map_err(Error::from) + } else if let Some(code) = output.status.code() { + match code { + OK => Ok(None), + CANCEL => Ok(None), + _ => Err(Error::from(("kdialog", output.status))), + } + } else { + Err(Error::from(("kdialog", output.status))) + } +} + +impl super::Backend for KDialog { + fn show_input(&self, input: &Input) -> Result<Option<String>> { + let mut args = vec!["--inputbox", &input.text]; + if let Some(ref default) = input.default { + args.push(default); + } + self.execute(args, &input.title).and_then(get_stdout) + } + + fn show_message(&self, message: &Message) -> Result<()> { + let args = vec!["--msgbox", &message.text]; + self.execute(args, &message.title) + .and_then(|output| require_success(output.status)) + .map(|_| ()) + } + + fn show_password(&self, password: &Password) -> Result<Option<String>> { + let args = vec!["--password", &password.text]; + self.execute(args, &password.title).and_then(get_stdout) + } + + fn show_question(&self, question: &Question) -> Result<Choice> { + let args = vec!["--yesno", &question.text]; + self.execute(args, &question.title) + .and_then(|output| get_choice(output.status)) + } + + fn show_file_selection(&self, file_selection: &FileSelection) -> Result<Option<String>> { + let dir = file_selection.path_to_string().ok_or("path not valid")?; + let option = match file_selection.mode { + FileSelectionMode::Open => "--getopenfilename", + FileSelectionMode::Save => "--getsavefilename", + }; + let args = vec![option, &dir]; + self.execute(args, &file_selection.title) + .and_then(get_stdout) + } +} diff --git a/src/backends/mod.rs b/src/backends/mod.rs index 5ae3cef..09013b1 100644 --- a/src/backends/mod.rs +++ b/src/backends/mod.rs @@ -2,10 +2,12 @@ // SPDX-License-Identifier: MIT mod dialog; +mod kdialog; mod stdio; mod zenity; pub use crate::backends::dialog::Dialog; +pub use crate::backends::kdialog::KDialog; pub use crate::backends::stdio::Stdio; pub use crate::backends::zenity::Zenity; @@ -21,7 +23,7 @@ use crate::Result; /// backend and create an instance manually. To use a backend, pass it to the [`show_with`][] /// method of a dialog box. /// -/// [`default_backend`]: ../function.default_backend.html +/// [`default_backend`]: ../fn.default_backend.html /// [`show_with`]: ../trait.DialogBox.html#method.show_with pub trait Backend { /// Shows the given input dialog and returns the input. @@ -35,11 +37,14 @@ pub trait Backend { /// Shows the given question dialog and returns the choice. fn show_question(&self, question: &super::Question) -> Result<super::Choice>; + + /// Shows the given file selection dialog and returns the file name. + fn show_file_selection(&self, file_selection: &super::FileSelection) -> Result<Option<String>>; } pub(crate) fn is_available(name: &str) -> bool { if let Ok(path) = env::var("PATH") { - for part in path.split(":") { + for part in path.split(':') { if path::Path::new(part).join(name).exists() { return true; } @@ -51,6 +56,7 @@ pub(crate) fn is_available(name: &str) -> bool { pub(crate) fn from_str(s: &str) -> Option<Box<dyn Backend>> { match s.to_lowercase().as_ref() { "dialog" => Some(Box::new(Dialog::new())), + "kdialog" => Some(Box::new(KDialog::new())), "stdio" => Some(Box::new(Stdio::new())), "zenity" => Some(Box::new(Zenity::new())), _ => None, diff --git a/src/backends/stdio.rs b/src/backends/stdio.rs index 6838ef1..627714a 100644 --- a/src/backends/stdio.rs +++ b/src/backends/stdio.rs @@ -3,19 +3,19 @@ use std::io::{self, Write}; -use crate::{Choice, Input, Message, Password, Question, Result}; +use crate::{Choice, FileSelection, Input, Message, Password, Question, Result}; /// The fallback backend using standard input and output. /// /// This backend is intended as a fallback backend to use if no other backend is available. The /// dialogs are printed to the standard output and user input is read from the standard input. -#[derive(Debug)] +#[derive(Debug, Default)] pub struct Stdio {} impl Stdio { /// Creates a new `Stdio` instance. pub fn new() -> Stdio { - Stdio {} + Default::default() } } @@ -35,7 +35,7 @@ fn print_title(title: &Option<String>) { fn read_input() -> Result<String> { let mut input = String::new(); io::stdin().read_line(&mut input)?; - Ok(input.trim_end_matches("\n").to_string()) + Ok(input.trim_end_matches('\n').to_string()) } fn parse_choice(input: &str) -> Choice { @@ -86,4 +86,17 @@ impl super::Backend for Stdio { io::stdout().flush()?; Ok(parse_choice(&read_input()?)) } + + fn show_file_selection(&self, file_selection: &FileSelection) -> Result<Option<String>> { + let dir = file_selection.path_to_string().ok_or("path not valid")?; + print_title(&file_selection.title); + print!("{} [{}]: ", file_selection.text, dir); + io::stdout().flush()?; + let result = read_input()?; + if result.starts_with('/') { + Ok(Some(result)) + } else { + Ok(Some(dir + &result)) + } + } } diff --git a/src/backends/zenity.rs b/src/backends/zenity.rs index 85206b3..ac0f98f 100644 --- a/src/backends/zenity.rs +++ b/src/backends/zenity.rs @@ -3,12 +3,14 @@ use std::process; -use crate::{Choice, Error, Input, Message, Password, Question, Result}; +use crate::{ + Choice, Error, FileSelection, FileSelectionMode, Input, Message, Password, Question, Result, +}; /// The `zenity` backend. /// /// This backend uses the external `zenity` program to display GTK+ dialog boxes. -#[derive(Debug)] +#[derive(Debug, Default)] pub struct Zenity { icon: Option<String>, width: Option<String>, @@ -19,17 +21,12 @@ pub struct Zenity { impl Zenity { /// Creates a new `Zenity` instance without configuration. pub fn new() -> Zenity { - Zenity { - icon: None, - width: None, - height: None, - timeout: None, - } + Default::default() } /// Sets the icon of the dialog box. /// - /// The icon can either be one of `error`, `info`, `question` or `warning, or the path to an + /// The icon can either be one of `error`, `info`, `question` or `warning`, or the path to an /// image to use. The default image depends on the dialog type. pub fn set_icon(&mut self, icon: impl Into<String>) { self.icon = Some(icon.into()); @@ -101,15 +98,13 @@ impl AsRef<Zenity> for Zenity { fn require_success(status: process::ExitStatus) -> Result<()> { if status.success() { Ok(()) - } else { - if let Some(code) = status.code() { - match code { - 5 => Ok(()), - _ => Err(Error::from(("zenity", status))), - } - } else { - Err(Error::from(("zenity", status))) + } else if let Some(code) = status.code() { + match code { + 5 => Ok(()), + _ => Err(Error::from(("zenity", status))), } + } else { + Err(Error::from(("zenity", status))) } } @@ -130,18 +125,16 @@ fn get_stdout(output: process::Output) -> Result<Option<String>> { if output.status.success() { String::from_utf8(output.stdout) .map(|s| Some(s.trim_end_matches('\n').to_string())) - .map_err(|err| Error::from(err)) - } else { - if let Some(code) = output.status.code() { - match code { - 0 => Ok(None), - 1 => Ok(None), - 5 => Ok(None), - _ => Err(Error::from(("zenity", output.status))), - } - } else { - Err(Error::from(("zenity", output.status))) + .map_err(Error::from) + } else if let Some(code) = output.status.code() { + match code { + 0 => Ok(None), + 1 => Ok(None), + 5 => Ok(None), + _ => Err(Error::from(("zenity", output.status))), } + } else { + Err(Error::from(("zenity", output.status))) } } @@ -172,4 +165,14 @@ impl super::Backend for Zenity { self.execute(args, &question.title) .and_then(|output| get_choice(output.status)) } + + fn show_file_selection(&self, file_selection: &FileSelection) -> Result<Option<String>> { + let dir = file_selection.path_to_string().ok_or("path not valid")?; + let mut args = vec!["--file-selection", "--filename", &dir]; + if file_selection.mode == FileSelectionMode::Save { + args.push("--save"); + } + self.execute(args, &file_selection.title) + .and_then(get_stdout) + } } |