mirror of
https://github.com/FliegendeWurst/cursive.git
synced 2024-11-23 17:35:00 +00:00
Fix resize event
This commit is contained in:
parent
14fe6f3b36
commit
804e41ec43
11
Cargo.toml
11
Cargo.toml
@ -25,6 +25,10 @@ xi-unicode = "0.1.0"
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libc = "0.2"
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libc = "0.2"
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chan = "0.1"
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chan = "0.1"
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[dependencies.ioctl-rs]
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optional = true
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version = "0.2"
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[dependencies.num]
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[dependencies.num]
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default-features = false
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default-features = false
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version = "0.1"
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version = "0.1"
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@ -38,7 +42,6 @@ optional = true
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version = "1.3.1"
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version = "1.3.1"
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[dependencies.chan-signal]
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[dependencies.chan-signal]
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optional = true
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version = "0.3"
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version = "0.3"
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[dependencies.ncurses]
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[dependencies.ncurses]
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@ -68,9 +71,9 @@ pretty-bytes = "0.2.2"
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blt-backend = ["bear-lib-terminal"]
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blt-backend = ["bear-lib-terminal"]
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default = ["ncurses-backend"]
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default = ["ncurses-backend"]
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markdown = ["pulldown-cmark"]
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markdown = ["pulldown-cmark"]
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ncurses-backend = ["ncurses", "maplit"]
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ncurses-backend = ["ncurses", "maplit", "ioctl-rs"]
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pancurses-backend = ["pancurses", "maplit"]
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pancurses-backend = ["pancurses", "maplit", "ioctl-rs"]
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termion-backend = ["termion", "chan-signal"]
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termion-backend = ["termion"]
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[lib]
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[lib]
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name = "cursive"
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name = "cursive"
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@ -7,6 +7,8 @@ use event::{Event, Key};
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use std::collections::HashMap;
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use std::collections::HashMap;
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use theme::{BaseColor, Color, ColorPair};
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use theme::{BaseColor, Color, ColorPair};
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mod sizes;
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#[cfg(feature = "ncurses")]
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#[cfg(feature = "ncurses")]
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pub mod n;
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pub mod n;
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@ -1,29 +1,37 @@
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extern crate ncurses;
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extern crate ncurses;
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use self::super::split_i32;
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use self::ncurses::mmask_t;
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use backend;
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use event::{Event, Key, MouseButton, MouseEvent};
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use theme::{Color, ColorPair, Effect};
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use utf8;
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use vec::Vec2;
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use std::cell::{Cell, RefCell};
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use std::cell::{Cell, RefCell};
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use std::collections::HashMap;
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use std::collections::HashMap;
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use std::ffi::CString;
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use std::ffi::CString;
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use std::fs::File;
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use std::fs::File;
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use std::io;
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use std::io;
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use std::io::Write;
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use std::io::Write;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::Arc;
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use std::thread;
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use std::thread;
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use chan;
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use chan;
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use chan_signal;
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use libc;
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use libc;
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use backend;
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use event::{Event, Key, MouseButton, MouseEvent};
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use theme::{Color, ColorPair, Effect};
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use utf8;
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use vec::Vec2;
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use self::super::split_i32;
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use self::ncurses::mmask_t;
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pub struct Backend {
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pub struct Backend {
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current_style: Cell<ColorPair>,
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current_style: Cell<ColorPair>,
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// Maps (front, back) ncurses colors to ncurses pairs
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// Maps (front, back) ncurses colors to ncurses pairs
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pairs: RefCell<HashMap<(i16, i16), i16>>,
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pairs: RefCell<HashMap<(i16, i16), i16>>,
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// This is set by the SIGWINCH-triggered thread.
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// When TRUE, we should tell ncurses about the new terminal size.
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needs_resize: Arc<AtomicBool>,
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}
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}
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struct InputParser {
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struct InputParser {
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@ -202,6 +210,7 @@ impl Backend {
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let c = Backend {
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let c = Backend {
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current_style: Cell::new(ColorPair::from_256colors(0, 0)),
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current_style: Cell::new(ColorPair::from_256colors(0, 0)),
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pairs: RefCell::new(HashMap::new()),
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pairs: RefCell::new(HashMap::new()),
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needs_resize: Arc::new(AtomicBool::new(false)),
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};
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};
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Box::new(c)
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Box::new(c)
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@ -251,6 +260,17 @@ impl Backend {
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}
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}
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}
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}
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/// Called when a resize event is detected.
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///
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/// We need to have ncurses update its representation of the screen.
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fn on_resize() {
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// Get size using ioctl
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let size = super::sizes::terminal_size();
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// Send the size to ncurses
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ncurses::resize_term(size.y as i32, size.x as i32);
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}
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impl backend::Backend for Backend {
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impl backend::Backend for Backend {
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fn screen_size(&self) -> Vec2 {
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fn screen_size(&self) -> Vec2 {
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let mut x: i32 = 0;
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let mut x: i32 = 0;
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@ -267,9 +287,35 @@ impl backend::Backend for Backend {
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&mut self, event_sink: chan::Sender<Event>,
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&mut self, event_sink: chan::Sender<Event>,
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stops: chan::Receiver<bool>,
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stops: chan::Receiver<bool>,
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) {
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) {
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let mut parser = InputParser::new(event_sink);
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let resize = chan_signal::notify(&[chan_signal::Signal::WINCH]);
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let (sender, receiver) = chan::async();
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// Start an input thread
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let needs_resize = Arc::clone(&self.needs_resize);
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// This thread will merge resize and input into event_sink
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thread::spawn(move || {
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loop {
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chan_select! {
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resize.recv() => {
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// Tell ncurses about the new terminal size.
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// Well, do the actual resizing later on, in the main thread.
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// Ncurses isn't really thread-safe so calling resize_term() can crash
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// other calls like clear() or refresh().
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needs_resize.store(true, Ordering::Relaxed);
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event_sink.send(Event::WindowResize);
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},
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receiver.recv() -> event => {
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match event {
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Some(event) => event_sink.send(event),
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None => return,
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}
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}
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}
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}
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});
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let mut parser = InputParser::new(sender);
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// This thread will just fill the input channel
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thread::spawn(move || {
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thread::spawn(move || {
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loop {
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loop {
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// This sends events to the event sender.
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// This sends events to the event sender.
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@ -321,6 +367,10 @@ impl backend::Backend for Backend {
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}
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}
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fn clear(&self, color: Color) {
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fn clear(&self, color: Color) {
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if self.needs_resize.swap(false, Ordering::Relaxed) {
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on_resize();
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}
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let id = self.get_or_create(ColorPair {
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let id = self.get_or_create(ColorPair {
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front: color,
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front: color,
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back: color,
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back: color,
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@ -1,18 +1,23 @@
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extern crate pancurses;
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extern crate pancurses;
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use self::super::split_i32;
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use self::pancurses::mmask_t;
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use backend;
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use chan;
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use event::{Event, Key, MouseButton, MouseEvent};
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use std::cell::{Cell, RefCell};
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use std::cell::{Cell, RefCell};
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use std::collections::HashMap;
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use std::collections::HashMap;
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use std::io::{stdout, Write};
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use std::io::{stdout, Write};
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::Arc;
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use std::sync::Arc;
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use std::thread;
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use std::thread;
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use chan;
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use chan_signal;
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use backend;
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use event::{Event, Key, MouseButton, MouseEvent};
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use theme::{Color, ColorPair, Effect};
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use theme::{Color, ColorPair, Effect};
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use vec::Vec2;
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use vec::Vec2;
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use self::super::split_i32;
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use self::pancurses::mmask_t;
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pub struct Backend {
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pub struct Backend {
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// Used
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// Used
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current_style: Cell<ColorPair>,
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current_style: Cell<ColorPair>,
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@ -20,6 +25,10 @@ pub struct Backend {
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// pancurses needs a handle to the current window.
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// pancurses needs a handle to the current window.
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window: Arc<pancurses::Window>,
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window: Arc<pancurses::Window>,
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// This is set by the SIGWINCH-triggered thread.
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// When TRUE, we should tell ncurses about the new terminal size.
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needs_resize: Arc<AtomicBool>,
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}
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}
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struct InputParser {
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struct InputParser {
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@ -267,7 +276,7 @@ fn find_closest_pair(pair: &ColorPair) -> (i16, i16) {
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}
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}
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impl Backend {
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impl Backend {
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pub fn init() -> Box<Self> {
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pub fn init() -> Box<backend::Backend> {
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::std::env::set_var("ESCDELAY", "25");
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::std::env::set_var("ESCDELAY", "25");
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let window = pancurses::initscr();
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let window = pancurses::initscr();
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@ -293,6 +302,7 @@ impl Backend {
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current_style: Cell::new(ColorPair::from_256colors(0, 0)),
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current_style: Cell::new(ColorPair::from_256colors(0, 0)),
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pairs: RefCell::new(HashMap::new()),
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pairs: RefCell::new(HashMap::new()),
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window: Arc::new(window),
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window: Arc::new(window),
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needs_resize: Arc::new(AtomicBool::new(false)),
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};
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};
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Box::new(c)
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Box::new(c)
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@ -343,6 +353,17 @@ impl Backend {
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}
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}
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}
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}
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/// Called when a resize event is detected.
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///
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/// We need to have ncurses update its representation of the screen.
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fn on_resize() {
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// Get size using ioctl
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let size = super::sizes::terminal_size();
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// Send the size to ncurses
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pancurses::resize_term(size.y as i32, size.x as i32);
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}
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impl backend::Backend for Backend {
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impl backend::Backend for Backend {
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fn screen_size(&self) -> Vec2 {
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fn screen_size(&self) -> Vec2 {
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// Coordinates are reversed here
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// Coordinates are reversed here
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@ -393,6 +414,10 @@ impl backend::Backend for Backend {
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}
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}
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fn clear(&self, color: Color) {
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fn clear(&self, color: Color) {
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if self.needs_resize.swap(false, Ordering::Relaxed) {
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on_resize();
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}
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let id = self.get_or_create(ColorPair {
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let id = self.get_or_create(ColorPair {
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front: color,
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front: color,
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back: color,
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back: color,
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@ -413,8 +438,34 @@ impl backend::Backend for Backend {
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&mut self, event_sink: chan::Sender<Event>,
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&mut self, event_sink: chan::Sender<Event>,
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stops: chan::Receiver<bool>,
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stops: chan::Receiver<bool>,
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) {
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) {
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let resize = chan_signal::notify(&[chan_signal::Signal::WINCH]);
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let (sender, receiver) = chan::async();
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let needs_resize = Arc::clone(&self.needs_resize);
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// This thread will merge resize and input into event_sink
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thread::spawn(move || {
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loop {
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chan_select! {
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resize.recv() => {
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// Tell ncurses about the new terminal size.
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// Well, do the actual resizing later on, in the main thread.
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// Ncurses isn't really thread-safe so calling resize_term() can crash
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// other calls like clear() or refresh().
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needs_resize.store(true, Ordering::Relaxed);
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event_sink.send(Event::WindowResize);
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},
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receiver.recv() -> event => {
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match event {
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Some(event) => event_sink.send(event),
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None => return,
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}
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}
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}
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}
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});
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let mut input_parser =
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let mut input_parser =
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InputParser::new(event_sink, Arc::clone(&self.window));
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InputParser::new(sender, Arc::clone(&self.window));
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thread::spawn(move || {
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thread::spawn(move || {
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loop {
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loop {
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23
src/backend/curses/sizes.rs
Normal file
23
src/backend/curses/sizes.rs
Normal file
@ -0,0 +1,23 @@
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extern crate ioctl_rs as ioctl;
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use libc::{c_ushort, STDOUT_FILENO};
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use std::mem;
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use vec::Vec2;
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#[repr(C)]
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struct TermSize {
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row: c_ushort,
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col: c_ushort,
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_x: c_ushort,
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_y: c_ushort,
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}
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/// Get the size of the terminal.
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pub fn terminal_size() -> Vec2 {
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unsafe {
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let mut size: TermSize = mem::zeroed();
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ioctl::ioctl(STDOUT_FILENO, ioctl::TIOCGWINSZ, &mut size as *mut _);
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Vec2::new(size.col as usize, size.row as usize)
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}
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}
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@ -41,6 +41,8 @@ impl InputParser {
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fn new(event_sink: chan::Sender<Event>) -> Self {
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fn new(event_sink: chan::Sender<Event>) -> Self {
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let (sender, receiver) = chan::async();
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let (sender, receiver) = chan::async();
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let resize = chan_signal::notify(&[chan_signal::Signal::WINCH]);
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// Fill the input channel
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// Fill the input channel
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thread::spawn(move || {
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thread::spawn(move || {
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for key in ::std::io::stdin().events() {
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for key in ::std::io::stdin().events() {
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@ -51,7 +53,7 @@ impl InputParser {
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});
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});
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InputParser {
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InputParser {
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resize: chan_signal::notify(&[chan_signal::Signal::WINCH]),
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resize,
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event_sink,
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event_sink,
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last_button: None,
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last_button: None,
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input: receiver,
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input: receiver,
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@ -181,7 +183,7 @@ impl Effectable for theme::Effect {
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}
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}
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impl Backend {
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impl Backend {
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pub fn init() -> Box<Self> {
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pub fn init() -> Box<backend::Backend> {
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print!("{}", termion::cursor::Hide);
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print!("{}", termion::cursor::Hide);
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// TODO: lock stdout
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// TODO: lock stdout
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@ -1,12 +1,14 @@
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use backend;
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use chan;
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use direction;
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use event::{Callback, Event, EventResult};
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use printer::Printer;
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use std::any::Any;
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use std::any::Any;
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use std::collections::HashMap;
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use std::collections::HashMap;
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use std::path::Path;
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use std::path::Path;
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use std::time::Duration;
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use std::time::Duration;
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use chan;
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use backend;
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use direction;
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use event::{Callback, Event, EventResult};
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use printer::Printer;
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use theme;
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use theme;
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||||||
use vec::Vec2;
|
use vec::Vec2;
|
||||||
use view::{self, Finder, IntoBoxedView, Position, View};
|
use view::{self, Finder, IntoBoxedView, Position, View};
|
||||||
@ -121,7 +123,10 @@ impl Default for Cursive {
|
|||||||
|
|
||||||
impl Cursive {
|
impl Cursive {
|
||||||
/// Creates a new Cursive root, and initialize the back-end.
|
/// Creates a new Cursive root, and initialize the back-end.
|
||||||
pub fn new(mut backend: Box<backend::Backend>) -> Self {
|
pub fn new<F>(backend_init: F) -> Self
|
||||||
|
where
|
||||||
|
F: FnOnce() -> Box<backend::Backend>,
|
||||||
|
{
|
||||||
let theme = theme::load_default();
|
let theme = theme::load_default();
|
||||||
|
|
||||||
let (cb_sink, cb_source) = chan::async();
|
let (cb_sink, cb_source) = chan::async();
|
||||||
@ -129,6 +134,7 @@ impl Cursive {
|
|||||||
|
|
||||||
let (stop_sink, stop_source) = chan::async();
|
let (stop_sink, stop_source) = chan::async();
|
||||||
|
|
||||||
|
let mut backend = backend_init();
|
||||||
backend.start_input_thread(event_sink.clone(), stop_source);
|
backend.start_input_thread(event_sink.clone(), stop_source);
|
||||||
|
|
||||||
Cursive {
|
Cursive {
|
||||||
@ -152,32 +158,32 @@ impl Cursive {
|
|||||||
/// Creates a new Cursive root using a ncurses backend.
|
/// Creates a new Cursive root using a ncurses backend.
|
||||||
#[cfg(feature = "ncurses")]
|
#[cfg(feature = "ncurses")]
|
||||||
pub fn ncurses() -> Self {
|
pub fn ncurses() -> Self {
|
||||||
Self::new(backend::curses::n::Backend::init())
|
Self::new(backend::curses::n::Backend::init)
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Creates a new Cursive root using a pancurses backend.
|
/// Creates a new Cursive root using a pancurses backend.
|
||||||
#[cfg(feature = "pancurses")]
|
#[cfg(feature = "pancurses")]
|
||||||
pub fn pancurses() -> Self {
|
pub fn pancurses() -> Self {
|
||||||
Self::new(backend::curses::pan::Backend::init())
|
Self::new(backend::curses::pan::Backend::init)
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Creates a new Cursive root using a termion backend.
|
/// Creates a new Cursive root using a termion backend.
|
||||||
#[cfg(feature = "termion")]
|
#[cfg(feature = "termion")]
|
||||||
pub fn termion() -> Self {
|
pub fn termion() -> Self {
|
||||||
Self::new(backend::termion::Backend::init())
|
Self::new(backend::termion::Backend::init)
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Creates a new Cursive root using a bear-lib-terminal backend.
|
/// Creates a new Cursive root using a bear-lib-terminal backend.
|
||||||
#[cfg(feature = "bear-lib-terminal")]
|
#[cfg(feature = "bear-lib-terminal")]
|
||||||
pub fn blt() -> Self {
|
pub fn blt() -> Self {
|
||||||
Self::new(backend::blt::Backend::init())
|
Self::new(backend::blt::Backend::init)
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Creates a new Cursive root using a dummy backend.
|
/// Creates a new Cursive root using a dummy backend.
|
||||||
///
|
///
|
||||||
/// Nothing will be output. This is mostly here for tests.
|
/// Nothing will be output. This is mostly here for tests.
|
||||||
pub fn dummy() -> Self {
|
pub fn dummy() -> Self {
|
||||||
Self::new(backend::dummy::Backend::init())
|
Self::new(backend::dummy::Backend::init)
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Returns a sink for asynchronous callbacks.
|
/// Returns a sink for asynchronous callbacks.
|
||||||
@ -715,6 +721,7 @@ impl Cursive {
|
|||||||
// Wait for next event.
|
// Wait for next event.
|
||||||
match self.poll() {
|
match self.poll() {
|
||||||
Interruption::Event(event) => {
|
Interruption::Event(event) => {
|
||||||
|
// eprintln!("{:?}, {:?}", event, self.screen_size());
|
||||||
if event == Event::Exit {
|
if event == Event::Exit {
|
||||||
self.quit();
|
self.quit();
|
||||||
}
|
}
|
||||||
|
@ -74,6 +74,7 @@ extern crate chan;
|
|||||||
#[macro_use]
|
#[macro_use]
|
||||||
extern crate maplit;
|
extern crate maplit;
|
||||||
|
|
||||||
|
extern crate chan_signal;
|
||||||
extern crate libc;
|
extern crate libc;
|
||||||
extern crate num;
|
extern crate num;
|
||||||
extern crate owning_ref;
|
extern crate owning_ref;
|
||||||
|
Loading…
Reference in New Issue
Block a user