diff options
Diffstat (limited to 'helix-term/src')
-rw-r--r-- | helix-term/src/application.rs | 189 | ||||
-rw-r--r-- | helix-term/src/commands.rs | 130 | ||||
-rw-r--r-- | helix-term/src/commands/dap.rs | 834 | ||||
-rw-r--r-- | helix-term/src/keymap.rs | 20 | ||||
-rw-r--r-- | helix-term/src/ui/editor.rs | 115 | ||||
-rw-r--r-- | helix-term/src/ui/mod.rs | 6 | ||||
-rw-r--r-- | helix-term/src/ui/picker.rs | 12 | ||||
-rw-r--r-- | helix-term/src/ui/text.rs | 21 |
8 files changed, 1272 insertions, 55 deletions
diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs index 8f405ce5..52a5321f 100644 --- a/helix-term/src/application.rs +++ b/helix-term/src/application.rs @@ -1,11 +1,12 @@ use helix_core::{merge_toml_values, pos_at_coords, syntax, Selection}; +use helix_dap::{self as dap, Payload, Request}; use helix_lsp::{lsp, util::lsp_pos_to_pos, LspProgressMap}; -use helix_view::{theme, Editor}; +use helix_view::{editor::Breakpoint, theme, Editor}; use serde_json::json; use crate::{ args::Args, - commands::{align_view, apply_workspace_edit, Align}, + commands::{align_view, apply_workspace_edit, fetch_stack_trace, Align}, compositor::Compositor, config::Config, job::Jobs, @@ -13,7 +14,6 @@ use crate::{ }; use log::{error, warn}; - use std::{ io::{stdin, stdout, Write}, sync::Arc, @@ -245,6 +245,9 @@ impl Application { last_render = Instant::now(); } } + Some(payload) = self.editor.debugger_events.next() => { + self.handle_debugger_message(payload).await; + } Some(callback) = self.jobs.futures.next() => { self.jobs.handle_callback(&mut self.editor, &mut self.compositor, callback); self.render(); @@ -339,6 +342,186 @@ impl Application { } } + pub async fn handle_debugger_message(&mut self, payload: helix_dap::Payload) { + use crate::commands::dap::{breakpoints_changed, resume_application, select_thread_id}; + use dap::requests::RunInTerminal; + use helix_dap::{events, Event}; + + let debugger = match self.editor.debugger.as_mut() { + Some(debugger) => debugger, + None => return, + }; + match payload { + Payload::Event(ev) => match *ev { + Event::Stopped(events::Stopped { + thread_id, + description, + text, + reason, + all_threads_stopped, + .. + }) => { + let all_threads_stopped = all_threads_stopped.unwrap_or_default(); + + if all_threads_stopped { + if let Ok(response) = debugger.request::<dap::requests::Threads>(()).await { + for thread in response.threads { + fetch_stack_trace(debugger, thread.id).await; + } + select_thread_id( + &mut self.editor, + thread_id.unwrap_or_default(), + false, + ) + .await; + } + } else if let Some(thread_id) = thread_id { + debugger.thread_states.insert(thread_id, reason.clone()); // TODO: dap uses "type" || "reason" here + + // whichever thread stops is made "current" (if no previously selected thread). + select_thread_id(&mut self.editor, thread_id, false).await; + } + + let scope = match thread_id { + Some(id) => format!("Thread {}", id), + None => "Target".to_owned(), + }; + + let mut status = format!("{} stopped because of {}", scope, reason); + if let Some(desc) = description { + status.push_str(&format!(" {}", desc)); + } + if let Some(text) = text { + status.push_str(&format!(" {}", text)); + } + if all_threads_stopped { + status.push_str(" (all threads stopped)"); + } + + self.editor.set_status(status); + } + Event::Continued(events::Continued { thread_id, .. }) => { + debugger + .thread_states + .insert(thread_id, "running".to_owned()); + if debugger.thread_id == Some(thread_id) { + resume_application(debugger) + } + } + Event::Thread(_) => { + // TODO: update thread_states, make threads request + } + Event::Breakpoint(events::Breakpoint { reason, breakpoint }) => { + match &reason[..] { + "new" => { + if let Some(source) = breakpoint.source { + self.editor + .breakpoints + .entry(source.path.unwrap()) // TODO: no unwraps + .or_default() + .push(Breakpoint { + id: breakpoint.id, + verified: breakpoint.verified, + message: breakpoint.message, + line: breakpoint.line.unwrap().saturating_sub(1), // TODO: no unwrap + column: breakpoint.column, + ..Default::default() + }); + } + } + "changed" => { + for breakpoints in self.editor.breakpoints.values_mut() { + if let Some(i) = + breakpoints.iter().position(|b| b.id == breakpoint.id) + { + breakpoints[i].verified = breakpoint.verified; + breakpoints[i].message = breakpoint.message.clone(); + breakpoints[i].line = + breakpoint.line.unwrap().saturating_sub(1); // TODO: no unwrap + breakpoints[i].column = breakpoint.column; + } + } + } + "removed" => { + for breakpoints in self.editor.breakpoints.values_mut() { + if let Some(i) = + breakpoints.iter().position(|b| b.id == breakpoint.id) + { + breakpoints.remove(i); + } + } + } + reason => { + warn!("Unknown breakpoint event: {}", reason); + } + } + } + Event::Output(events::Output { + category, output, .. + }) => { + let prefix = match category { + Some(category) => { + if &category == "telemetry" { + return; + } + format!("Debug ({}):", category) + } + None => "Debug:".to_owned(), + }; + + log::info!("{}", output); + self.editor.set_status(format!("{} {}", prefix, output)); + } + Event::Initialized => { + // send existing breakpoints + for (path, breakpoints) in &mut self.editor.breakpoints { + // TODO: call futures in parallel, await all + let _ = breakpoints_changed(debugger, path.clone(), breakpoints); + } + // TODO: fetch breakpoints (in case we're attaching) + + if debugger.configuration_done().await.is_ok() { + self.editor + .set_status("Debugged application started".to_owned()); + }; // TODO: do we need to handle error? + } + ev => { + log::warn!("Unhandled event {:?}", ev); + return; // return early to skip render + } + }, + Payload::Response(_) => unreachable!(), + Payload::Request(request) => match request.command.as_str() { + RunInTerminal::COMMAND => { + let arguments: dap::requests::RunInTerminalArguments = + serde_json::from_value(request.arguments.unwrap_or_default()).unwrap(); + // TODO: no unwrap + + // TODO: handle cwd + let process = std::process::Command::new("tmux") + .arg("split-window") + .arg(arguments.args.join(" ")) // TODO: first arg is wrong, it uses current dir + .spawn() + .unwrap(); + + let _ = debugger + .reply( + request.seq, + dap::requests::RunInTerminal::COMMAND, + serde_json::to_value(dap::requests::RunInTerminalResponse { + process_id: Some(process.id()), + shell_process_id: None, + }) + .map_err(|e| e.into()), + ) + .await; + } + _ => log::error!("DAP reverse request not implemented: {:?}", request), + }, + } + self.render(); + } + pub async fn handle_language_server_message( &mut self, call: helix_lsp::Call, diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index ded5a0e4..677943e8 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -1,3 +1,7 @@ +pub(crate) mod dap; + +pub use dap::*; + use helix_core::{ comment, coords_at_pos, find_first_non_whitespace_char, find_root, graphemes, history::UndoKind, @@ -45,8 +49,8 @@ use crate::{ use crate::job::{self, Job, Jobs}; use futures_util::{FutureExt, StreamExt}; +use std::{collections::HashMap, fmt, future::Future}; use std::{collections::HashSet, num::NonZeroUsize}; -use std::{fmt, future::Future}; use std::{ borrow::Cow, @@ -115,13 +119,13 @@ impl<'a> Context<'a> { } } -pub(crate) enum Align { +pub enum Align { Top, Center, Bottom, } -pub(crate) fn align_view(doc: &Document, view: &mut View, align: Align) { +pub fn align_view(doc: &Document, view: &mut View, align: Align) { let pos = doc .selection(view.id) .primary() @@ -394,6 +398,21 @@ impl MappableCommand { surround_delete, "Surround delete", select_textobject_around, "Select around object", select_textobject_inner, "Select inside object", + dap_launch, "Launch debug target", + dap_toggle_breakpoint, "Toggle breakpoint", + dap_continue, "Continue program execution", + dap_pause, "Pause program execution", + dap_step_in, "Step in", + dap_step_out, "Step out", + dap_next, "Step to next", + dap_variables, "List variables", + dap_terminate, "End debug session", + dap_edit_condition, "Edit condition of the breakpoint on the current line", + dap_edit_log, "Edit log message of the breakpoint on the current line", + dap_switch_thread, "Switch current thread", + dap_switch_stack_frame, "Switch stack frame", + dap_enable_exceptions, "Enable exception breakpoints", + dap_disable_exceptions, "Disable exception breakpoints", shell_pipe, "Pipe selections through shell command", shell_pipe_to, "Pipe selections into shell command, ignoring command output", shell_insert_output, "Insert output of shell command before each selection", @@ -1550,7 +1569,6 @@ fn search_completions(cx: &mut Context, reg: Option<char>) -> Vec<String> { items.into_iter().cloned().collect() } -// TODO: use one function for search vs extend fn search(cx: &mut Context) { searcher(cx, Direction::Forward) } @@ -1558,7 +1576,7 @@ fn search(cx: &mut Context) { fn rsearch(cx: &mut Context) { searcher(cx, Direction::Backward) } -// TODO: use one function for search vs extend + fn searcher(cx: &mut Context, direction: Direction) { let reg = cx.register.unwrap_or('/'); let scrolloff = cx.editor.config.scrolloff; @@ -1783,11 +1801,11 @@ fn global_search(cx: &mut Context) { relative_path.into() } }, - move |editor: &mut Editor, (line_num, path), action| { - match editor.open(path.into(), action) { + move |cx, (line_num, path), action| { + match cx.editor.open(path.into(), action) { Ok(_) => {} Err(e) => { - editor.set_error(format!( + cx.editor.set_error(format!( "Failed to open file '{}': {}", path.display(), e @@ -1797,7 +1815,7 @@ fn global_search(cx: &mut Context) { } let line_num = *line_num; - let (view, doc) = current!(editor); + let (view, doc) = current!(cx.editor); let text = doc.text(); let start = text.line_to_char(line_num); let end = text.line_to_char((line_num + 1).min(text.len_lines())); @@ -2000,7 +2018,6 @@ fn append_mode(cx: &mut Context) { pub mod cmd { use super::*; - use std::collections::HashMap; use helix_view::editor::Action; use ui::completers::{self, Completer}; @@ -2680,6 +2697,58 @@ pub mod cmd { Ok(()) } + fn debug_eval( + cx: &mut compositor::Context, + args: &[Cow<str>], + _event: PromptEvent, + ) -> anyhow::Result<()> { + if let Some(debugger) = cx.editor.debugger.as_mut() { + let (frame, thread_id) = match (debugger.active_frame, debugger.thread_id) { + (Some(frame), Some(thread_id)) => (frame, thread_id), + _ => { + bail!("Cannot find current stack frame to access variables") + } + }; + + // TODO: support no frame_id + + let frame_id = debugger.stack_frames[&thread_id][frame].id; + let response = block_on(debugger.eval(args.join(" "), Some(frame_id)))?; + cx.editor.set_status(response.result); + } + Ok(()) + } + + fn debug_start( + cx: &mut compositor::Context, + args: &[Cow<str>], + _event: PromptEvent, + ) -> anyhow::Result<()> { + let mut args = args.to_owned(); + let name = match args.len() { + 0 => None, + _ => Some(args.remove(0)), + }; + dap_start_impl(cx, name.as_deref(), None, Some(args)) + } + + fn debug_remote( + cx: &mut compositor::Context, + args: &[Cow<str>], + _event: PromptEvent, + ) -> anyhow::Result<()> { + let mut args = args.to_owned(); + let address = match args.len() { + 0 => None, + _ => Some(args.remove(0).parse()?), + }; + let name = match args.len() { + 0 => None, + _ => Some(args.remove(0)), + }; + dap_start_impl(cx, name.as_deref(), address, Some(args)) + } + fn tutor( cx: &mut compositor::Context, _args: &[Cow<str>], @@ -3095,6 +3164,27 @@ pub mod cmd { completer: None, }, TypableCommand { + name: "debug-start", + aliases: &["dbg"], + doc: "Start a debug session from a given template with given parameters.", + fun: debug_start, + completer: None, + }, + TypableCommand { + name: "debug-remote", + aliases: &["dbg-tcp"], + doc: "Connect to a debug adapter by TCP address and start a debugging session from a given template with given parameters.", + fun: debug_remote, + completer: None, + }, + TypableCommand { + name: "debug-eval", + aliases: &[], + doc: "Evaluate expression in current debug context.", + fun: debug_eval, + completer: None, + }, + TypableCommand { name: "vsplit", aliases: &["vs"], doc: "Open the file in a vertical split.", @@ -3325,8 +3415,8 @@ fn buffer_picker(cx: &mut Context) { .map(|(_, doc)| new_meta(doc)) .collect(), BufferMeta::format, - |editor: &mut Editor, meta, action| { - editor.switch(meta.id, action); + |cx, meta, action| { + cx.editor.switch(meta.id, action); }, |editor, meta| { let doc = &editor.documents.get(&meta.id)?; @@ -3393,9 +3483,9 @@ fn symbol_picker(cx: &mut Context) { let mut picker = FilePicker::new( symbols, |symbol| (&symbol.name).into(), - move |editor: &mut Editor, symbol, _action| { - push_jump(editor); - let (view, doc) = current!(editor); + move |cx, symbol, _action| { + push_jump(cx.editor); + let (view, doc) = current!(cx.editor); if let Some(range) = lsp_range_to_range(doc.text(), symbol.location.range, offset_encoding) @@ -3452,10 +3542,10 @@ fn workspace_symbol_picker(cx: &mut Context) { format!("{} ({})", &symbol.name, relative_path).into() } }, - move |editor: &mut Editor, symbol, action| { + move |cx, symbol, action| { let path = symbol.location.uri.to_file_path().unwrap(); - editor.open(path, action).expect("editor.open failed"); - let (view, doc) = current!(editor); + cx.editor.open(path, action).expect("editor.open failed"); + let (view, doc) = current!(cx.editor); if let Some(range) = lsp_range_to_range(doc.text(), symbol.location.range, offset_encoding) @@ -4127,9 +4217,7 @@ fn goto_impl( let line = location.range.start.line; format!("{}:{}", file, line).into() }, - move |editor: &mut Editor, location, action| { - jump_to(editor, location, offset_encoding, action) - }, + move |cx, location, action| jump_to(cx.editor, location, offset_encoding, action), |_editor, location| { let path = location.uri.to_file_path().unwrap(); let line = Some(( diff --git a/helix-term/src/commands/dap.rs b/helix-term/src/commands/dap.rs new file mode 100644 index 00000000..c73f9611 --- /dev/null +++ b/helix-term/src/commands/dap.rs @@ -0,0 +1,834 @@ +use super::{align_view, Align, Context, Editor}; +use crate::{ + compositor::{self, Compositor}, + job::{Callback, Jobs}, + ui::{self, FilePicker, Picker, Popup, Prompt, PromptEvent, Text}, +}; +use helix_core::{ + syntax::{DebugArgumentValue, DebugConfigCompletion}, + Selection, +}; +use helix_dap::{self as dap, Client, ThreadId}; +use helix_lsp::block_on; +use helix_view::editor::Breakpoint; + +use serde_json::{to_value, Value}; +use tokio_stream::wrappers::UnboundedReceiverStream; + +use std::collections::HashMap; +use std::future::Future; +use std::path::PathBuf; + +use anyhow::{anyhow, bail}; + +#[macro_export] +macro_rules! debugger { + ($editor:expr) => {{ + match &mut $editor.debugger { + Some(debugger) => debugger, + None => return, + } + }}; +} + +// general utils: +pub fn dap_pos_to_pos(doc: &helix_core::Rope, line: usize, column: usize) -> Option<usize> { + // 1-indexing to 0 indexing + let line = doc.try_line_to_char(line - 1).ok()?; + let pos = line + column.saturating_sub(1); + // TODO: this is probably utf-16 offsets + Some(pos) +} + +pub fn resume_application(debugger: &mut Client) { + if let Some(thread_id) = debugger.thread_id { + debugger + .thread_states + .insert(thread_id, "running".to_string()); + debugger.stack_frames.remove(&thread_id); + } + debugger.active_frame = None; + debugger.thread_id = None; +} + +pub async fn select_thread_id(editor: &mut Editor, thread_id: ThreadId, force: bool) { + let debugger = debugger!(editor); + + if !force && debugger.thread_id.is_some() { + return; + } + + debugger.thread_id = Some(thread_id); + fetch_stack_trace(debugger, thread_id).await; + + let frame = debugger.stack_frames[&thread_id].get(0).cloned(); + if let Some(frame) = &frame { + jump_to_stack_frame(editor, frame); + } +} + +pub async fn fetch_stack_trace(debugger: &mut Client, thread_id: ThreadId) { + let (frames, _) = match debugger.stack_trace(thread_id).await { + Ok(frames) => frames, + Err(_) => return, + }; + debugger.stack_frames.insert(thread_id, frames); + debugger.active_frame = Some(0); +} + +pub fn jump_to_stack_frame(editor: &mut Editor, frame: &helix_dap::StackFrame) { + let path = if let Some(helix_dap::Source { + path: Some(ref path), + .. + }) = frame.source + { + path.clone() + } else { + return; + }; + + if let Err(e) = editor.open(path, helix_view::editor::Action::Replace) { + editor.set_error(format!("Unable to jump to stack frame: {}", e)); + return; + } + + let (view, doc) = current!(editor); + + let text_end = doc.text().len_chars().saturating_sub(1); + let start = dap_pos_to_pos(doc.text(), frame.line, frame.column).unwrap_or(0); + let end = frame + .end_line + .and_then(|end_line| dap_pos_to_pos(doc.text(), end_line, frame.end_column.unwrap_or(0))) + .unwrap_or(start); + + let selection = Selection::single(start.min(text_end), end.min(text_end)); + doc.set_selection(view.id, selection); + align_view(doc, view, Align::Center); +} + +fn thread_picker( + cx: &mut Context, + callback_fn: impl Fn(&mut Editor, &dap::Thread) + Send + 'static, +) { + let debugger = debugger!(cx.editor); + + let future = debugger.threads(); + dap_callback( + cx.jobs, + future, + move |editor: &mut Editor, + compositor: &mut Compositor, + response: dap::requests::ThreadsResponse| { + let threads = response.threads; + if threads.len() == 1 { + callback_fn(editor, &threads[0]); + return; + } + let debugger = debugger!(editor); + + let thread_states = debugger.thread_states.clone(); + let picker = FilePicker::new( + threads, + move |thread| { + format!( + "{} ({})", + thread.name, + thread_states + .get(&thread.id) + .map(|state| state.as_str()) + .unwrap_or("unknown") + ) + .into() + }, + move |cx, thread, _action| callback_fn(cx.editor, thread), + move |editor, thread| { + let frames = editor.debugger.as_ref()?.stack_frames.get(&thread.id)?; + let frame = frames.get(0)?; + let path = frame.source.as_ref()?.path.clone()?; + let pos = Some(( + frame.line.saturating_sub(1), + frame.end_line.unwrap_or(frame.line).saturating_sub(1), + )); + Some((path, pos)) + }, + ); + compositor.push(Box::new(picker)); + }, + ); +} + +fn get_breakpoint_at_current_line(editor: &mut Editor) -> Option<(usize, Breakpoint)> { + let (view, doc) = current!(editor); + let text = doc.text().slice(..); + + let line = doc.selection(view.id).primary().cursor_line(text); + let path = doc.path()?; + editor.breakpoints.get(path).and_then(|breakpoints| { + let i = breakpoints.iter().position(|b| b.line == line); + i.map(|i| (i, breakpoints[i].clone())) + }) +} + +// -- DAP + +fn dap_callback<T, F>( + jobs: &mut Jobs, + call: impl Future<Output = helix_dap::Result<serde_json::Value>> + 'static + Send, + callback: F, +) where + T: for<'de> serde::Deserialize<'de> + Send + 'static, + F: FnOnce(&mut Editor, &mut Compositor, T) + Send + 'static, +{ + let callback = Box::pin(async move { + let json = call.await?; + let response = serde_json::from_value(json)?; + let call: Callback = Box::new(move |editor: &mut Editor, compositor: &mut Compositor| { + callback(editor, compositor, response) + }); + Ok(call) + }); + jobs.callback(callback); +} + +pub fn dap_start_impl( + cx: &mut compositor::Context, + name: Option<&str>, + socket: Option<std::net::SocketAddr>, + params: Option<Vec<std::borrow::Cow<str>>>, +) -> Result<(), anyhow::Error> { + let doc = doc!(cx.editor); + + let config = doc + .language_config() + .and_then(|config| config.debugger.as_ref()) + .ok_or(anyhow!("No debug adapter available for language"))?; + + let result = match socket { + Some(socket) => block_on(Client::tcp(socket, 0)), + None => block_on(Client::process( + &config.transport, + &config.command, + config.args.iter().map(|arg| arg.as_str()).collect(), + config.port_arg.as_deref(), + 0, + )), + }; + + let (mut debugger, events) = match result { + Ok(r) => r, + Err(e) => bail!("Failed to start debug session: {}", e), + }; + + let request = debugger.initialize(config.name.clone()); + if let Err(e) = block_on(request) { + bail!("Failed to initialize debug adapter: {}", e); + } + + debugger.quirks = config.quirks.clone(); + + // TODO: avoid refetching all of this... pass a config in + let template = match name { + Some(name) => config.templates.iter().find(|t| t.name == name), + None => config.templates.get(0), + } + .ok_or(anyhow!("No debug config with given name"))?; + + let mut args: HashMap<&str, Value> = HashMap::new(); + + if let Some(params) = params { + for (k, t) in &template.args { + let mut value = t.clone(); + for (i, x) in params.iter().enumerate() { + let mut param = x.to_string(); + if let Some(DebugConfigCompletion::Advanced(cfg)) = template.completion.get(i) { + if matches!(cfg.completion.as_deref(), Some("filename" | "directory")) { + param = std::fs::canonicalize(x.as_ref()) + .ok() + .and_then(|pb| pb.into_os_string().into_string().ok()) + .unwrap_or_else(|| x.to_string()); + } + } + // For param #0 replace {0} in args + let pattern = format!("{{{}}}", i); + value = match value { + // TODO: just use toml::Value -> json::Value + DebugArgumentValue::String(v) => { + DebugArgumentValue::String(v.replace(&pattern, ¶m)) + } + DebugArgumentValue::Array(arr) => DebugArgumentValue::Array( + arr.iter().map(|v| v.replace(&pattern, ¶m)).collect(), + ), + DebugArgumentValue::Boolean(_) => value, + }; + } + + match value { + DebugArgumentValue::String(string) => { + if let Ok(integer) = string.parse::<usize>() { + args.insert(k, to_value(integer).unwrap()); + } else { + args.insert(k, to_value(string).unwrap()); + } + } + DebugArgumentValue::Array(arr) => { + args.insert(k, to_value(arr).unwrap()); + } + DebugArgumentValue::Boolean(bool) => { + args.insert(k, to_value(bool).unwrap()); + } + } + } + } + + let args = to_value(args).unwrap(); + + let callback = |_editor: &mut Editor, _compositor: &mut Compositor, _response: Value| { + // if let Err(e) = result { + // editor.set_error(format!("Failed {} target: {}", template.request, e)); + // } + }; + + match &template.request[..] { + "launch" => { + let call = debugger.launch(args); + dap_callback(cx.jobs, call, callback); + } + "attach" => { + let call = debugger.attach(args); + dap_callback(cx.jobs, call, callback); + } + request => bail!("Unsupported request '{}'", request), + }; + + // TODO: either await "initialized" or buffer commands until event is received + cx.editor.debugger = Some(debugger); + let stream = UnboundedReceiverStream::new(events); + cx.editor.debugger_events.push(stream); + Ok(()) +} + +pub fn dap_launch(cx: &mut Context) { + if cx.editor.debugger.is_some() { + cx.editor + .set_error("Debugger is already running".to_string()); + return; + } + + let doc = doc!(cx.editor); + + let config = match doc + .language_config() + .and_then(|config| config.debugger.as_ref()) + { + Some(c) => c, + None => { + cx.editor + .set_error("No debug adapter available for language".to_string()); + return; + } + }; + + let templates = config.templates.clone(); + + cx.push_layer(Box::new(Picker::new( + true, + templates, + |template| template.name.as_str().into(), + |cx, template, _action| { + let completions = template.completion.clone(); + let name = template.name.clone(); + let callback = Box::pin(async move { + let call: Callback = + Box::new(move |_editor: &mut Editor, compositor: &mut Compositor| { + let prompt = debug_parameter_prompt(completions, name, Vec::new()); + compositor.push(Box::new(prompt)); + }); + Ok(call) + }); + cx.jobs.callback(callback); + }, + ))); // TODO: wrap in popup with fixed size +} + +fn debug_parameter_prompt( + completions: Vec<DebugConfigCompletion>, + config_name: String, + mut params: Vec<String>, +) -> Prompt { + let completion = completions.get(params.len()).unwrap(); + let field_type = if let DebugConfigCompletion::Advanced(cfg) = completion { + cfg.completion.as_deref().unwrap_or("") + } else { + "" + }; + let name = match completion { + DebugConfigCompletion::Advanced(cfg) => cfg.name.as_deref().unwrap_or(field_type), + DebugConfigCompletion::Named(name) => name.as_str(), + }; + let default_val = match completion { + DebugConfigCompletion::Advanced(cfg) => cfg.default.as_deref().unwrap_or(""), + _ => "", + } + .to_owned(); + + let completer = match field_type { + "filename" => ui::completers::filename, + "directory" => ui::completers::directory, + _ => |_input: &str| Vec::new(), + }; + Prompt::new( + format!("{}: ", name).into(), + None, + completer, + move |cx, input: &str, event: PromptEvent| { + if event != PromptEvent::Validate { + return; + } + + let mut value = input.to_owned(); + if value.is_empty() { + value = default_val.clone(); + } + params.push(value); + + if params.len() < completions.len() { + let completions = completions.clone(); + let config_name = config_name.clone(); + let params = params.clone(); + let callback = Box::pin(async move { + let call: Callback = + Box::new(move |_editor: &mut Editor, compositor: &mut Compositor| { + let prompt = debug_parameter_prompt(completions, config_name, params); + compositor.push(Box::new(prompt)); + }); + Ok(call) + }); + cx.jobs.callback(callback); + } else if let Err(e) = dap_start_impl( + cx, + Some(&config_name), + None, + Some(params.iter().map(|x| x.into()).collect()), + ) { + cx.editor.set_error(e.to_string()); + } + }, + ) +} + +pub fn dap_toggle_breakpoint(cx: &mut Context) { + let (view, doc) = current!(cx.editor); + let path = match doc.path() { + Some(path) => path.clone(), + None => { + cx.editor + .set_error("Can't set breakpoint: document has no path".to_string()); + return; + } + }; + let text = doc.text().slice(..); + let line = doc.selection(view.id).primary().cursor_line(text); + dap_toggle_breakpoint_impl(cx, path, line); +} + +pub fn breakpoints_changed( + debugger: &mut dap::Client, + path: PathBuf, + breakpoints: &mut [Breakpoint], +) -> Result<(), anyhow::Error> { + // TODO: handle capabilities correctly again, by filterin breakpoints when emitting + // if breakpoint.condition.is_some() + // && !debugger + // .caps + // .as_ref() + // .unwrap() + // .supports_conditional_breakpoints + // .unwrap_or_default() + // { + // bail!( + // "Can't edit breakpoint: debugger does not support conditional breakpoints" + // ) + // } + // if breakpoint.log_message.is_some() + // && !debugger + // .caps + // .as_ref() + // .unwrap() + // .supports_log_points + // .unwrap_or_default() + // { + // bail!("Can't edit breakpoint: debugger does not support logpoints") + // } + let source_breakpoints = breakpoints + .iter() + .map(|breakpoint| helix_dap::SourceBreakpoint { + line: breakpoint.line + 1, // convert from 0-indexing to 1-indexing (TODO: could set debugger to 0-indexing on init) + ..Default::default() + }) + .collect::<Vec<_>>(); + + let request = debugger.set_breakpoints(path, source_breakpoints); + match block_on(request) { + Ok(Some(dap_breakpoints)) => { + for (breakpoint, dap_breakpoint) in breakpoints.iter_mut().zip(dap_breakpoints) { + breakpoint.id = dap_breakpoint.id; + breakpoint.verified = dap_breakpoint.verified; + breakpoint.message = dap_breakpoint.message; + // TODO: handle breakpoint.message + // TODO: verify source matches + breakpoint.line = dap_breakpoint.line.unwrap_or(0).saturating_sub(1); // convert to 0-indexing + // TODO: no unwrap + breakpoint.column = dap_breakpoint.column; + // TODO: verify end_linef/col instruction reference, offset + } + } + Err(e) => anyhow::bail!("Failed to set breakpoints: {}", e), + _ => {} + }; + Ok(()) +} + +pub fn dap_toggle_breakpoint_impl(cx: &mut Context, path: PathBuf, line: usize) { + // TODO: need to map breakpoints over edits and update them? + // we shouldn't really allow editing while debug is running though + + let breakpoints = cx.editor.breakpoints.entry(path.clone()).or_default(); + // TODO: always keep breakpoints sorted and use binary search to determine insertion point + if let Some(pos) = breakpoints + .iter() + .position(|breakpoint| breakpoint.line == line) + { + breakpoints.remove(pos); + } else { + breakpoints.push(Breakpoint { + line, + ..Default::default() + }); + } + + let debugger = debugger!(cx.editor); + + if let Err(e) = breakpoints_changed(debugger, path, breakpoints) { + cx.editor + .set_error(format!("Failed to set breakpoints: {}", e)); + } +} + +pub fn dap_continue(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + if let Some(thread_id) = debugger.thread_id { + let request = debugger.continue_thread(thread_id); + if let Err(e) = block_on(request) { + cx.editor.set_error(format!("Failed to continue: {}", e)); + return; + } + resume_application(debugger); + } else { + cx.editor + .set_error("Currently active thread is not stopped. Switch the thread.".into()); + } +} + +pub fn dap_pause(cx: &mut Context) { + thread_picker(cx, |editor, thread| { + let debugger = debugger!(editor); + let request = debugger.pause(thread.id); + // NOTE: we don't need to set active thread id here because DAP will emit a "stopped" event + if let Err(e) = block_on(request) { + editor.set_error(format!("Failed to pause: {}", e)); + } + }) +} + +pub fn dap_step_in(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + if let Some(thread_id) = debugger.thread_id { + let request = debugger.step_in(thread_id); + if let Err(e) = block_on(request) { + cx.editor.set_error(format!("Failed to continue: {}", e)); + return; + } + resume_application(debugger); + } else { + cx.editor + .set_error("Currently active thread is not stopped. Switch the thread.".into()); + } +} + +pub fn dap_step_out(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + if let Some(thread_id) = debugger.thread_id { + let request = debugger.step_out(thread_id); + if let Err(e) = block_on(request) { + cx.editor.set_error(format!("Failed to continue: {}", e)); + return; + } + resume_application(debugger); + } else { + cx.editor + .set_error("Currently active thread is not stopped. Switch the thread.".into()); + } +} + +pub fn dap_next(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + if let Some(thread_id) = debugger.thread_id { + let request = debugger.next(thread_id); + if let Err(e) = block_on(request) { + cx.editor.set_error(format!("Failed to continue: {}", e)); + return; + } + resume_application(debugger); + } else { + cx.editor + .set_error("Currently active thread is not stopped. Switch the thread.".into()); + } +} + +pub fn dap_variables(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + if debugger.thread_id.is_none() { + cx.editor + .set_status("Cannot access variables while target is running".to_owned()); + return; + } + let (frame, thread_id) = match (debugger.active_frame, debugger.thread_id) { + (Some(frame), Some(thread_id)) => (frame, thread_id), + _ => { + cx.editor + .set_status("Cannot find current stack frame to access variables".to_owned()); + return; + } + }; + + let frame_id = debugger.stack_frames[&thread_id][frame].id; + let scopes = match block_on(debugger.scopes(frame_id)) { + Ok(s) => s, + Err(e) => { + cx.editor.set_error(format!("Failed to get scopes: {}", e)); + return; + } + }; + + // TODO: allow expanding variables into sub-fields + let mut variables = Vec::new(); + + let theme = &cx.editor.theme; + let scope_style = theme.get("ui.linenr.selected"); + let type_style = theme.get("ui.text"); + let text_style = theme.get("ui.text.focus"); + + for scope in scopes.iter() { + // use helix_view::graphics::Style; + use tui::text::{Span, Spans}; + let response = block_on(debugger.variables(scope.variables_reference)); + + variables.push(Spans::from(Span::styled( + format!("▸ {}", scope.name), + scope_style, + ))); + + if let Ok(vars) = response { + variables.reserve(vars.len()); + for var in vars { + let mut spans = Vec::with_capacity(5); + + spans.push(Span::styled(var.name.to_owned(), text_style)); + if let Some(ty) = var.ty { + spans.push(Span::raw(": ")); + spans.push(Span::styled(ty.to_owned(), type_style)); + } + spans.push(Span::raw(" = ")); + spans.push(Span::styled(var.value.to_owned(), text_style)); + variables.push(Spans::from(spans)); + } + } + } + + let contents = Text::from(tui::text::Text::from(variables)); + let popup = Popup::new("dap-variables", contents); + cx.push_layer(Box::new(popup)); +} + +pub fn dap_terminate(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + let request = debugger.disconnect(); + if let Err(e) = block_on(request) { + cx.editor.set_error(format!("Failed to disconnect: {}", e)); + return; + } + cx.editor.debugger = None; +} + +pub fn dap_enable_exceptions(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + let filters = match &debugger.capabilities().exception_breakpoint_filters { + Some(filters) => filters.iter().map(|f| f.filter.clone()).collect(), + None => return, + }; + + if let Err(e) = block_on(debugger.set_exception_breakpoints(filters)) { + cx.editor + .set_error(format!("Failed to set up exception breakpoints: {}", e)); + } +} + +pub fn dap_disable_exceptions(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + if let Err(e) = block_on(debugger.set_exception_breakpoints(Vec::new())) { + cx.editor + .set_error(format!("Failed to set up exception breakpoints: {}", e)); + } +} + +// TODO: both edit condition and edit log need to be stable: we might get new breakpoints from the debugger which can change offsets +pub fn dap_edit_condition(cx: &mut Context) { + if let Some((pos, breakpoint)) = get_breakpoint_at_current_line(cx.editor) { + let path = match doc!(cx.editor).path() { + Some(path) => path.clone(), + None => return, + }; + let callback = Box::pin(async move { + let call: Callback = + Box::new(move |_editor: &mut Editor, compositor: &mut Compositor| { + let mut prompt = Prompt::new( + "condition:".into(), + None, + |_input: &str| Vec::new(), + move |cx, input: &str, event: PromptEvent| { + if event != PromptEvent::Validate { + return; + } + + let breakpoints = &mut cx.editor.breakpoints.get_mut(&path).unwrap(); + breakpoints[pos].condition = match input { + "" => None, + input => Some(input.to_owned()), + }; + + let debugger = debugger!(cx.editor); + + if let Err(e) = breakpoints_changed(debugger, path.clone(), breakpoints) + { + cx.editor + .set_error(format!("Failed to set breakpoints: {}", e)); + } + }, + ); + if let Some(condition) = breakpoint.condition { + prompt.insert_str(&condition) + } + compositor.push(Box::new(prompt)); + }); + Ok(call) + }); + cx.jobs.callback(callback); + } +} + +pub fn dap_edit_log(cx: &mut Context) { + if let Some((pos, breakpoint)) = get_breakpoint_at_current_line(cx.editor) { + let path = match doc!(cx.editor).path() { + Some(path) => path.clone(), + None => return, + }; + let callback = Box::pin(async move { + let call: Callback = + Box::new(move |_editor: &mut Editor, compositor: &mut Compositor| { + let mut prompt = Prompt::new( + "log-message:".into(), + None, + |_input: &str| Vec::new(), + move |cx, input: &str, event: PromptEvent| { + if event != PromptEvent::Validate { + return; + } + + let breakpoints = &mut cx.editor.breakpoints.get_mut(&path).unwrap(); + breakpoints[pos].log_message = match input { + "" => None, + input => Some(input.to_owned()), + }; + + let debugger = debugger!(cx.editor); + if let Err(e) = breakpoints_changed(debugger, path.clone(), breakpoints) + { + cx.editor + .set_error(format!("Failed to set breakpoints: {}", e)); + } + }, + ); + if let Some(log_message) = breakpoint.log_message { + prompt.insert_str(&log_message); + } + compositor.push(Box::new(prompt)); + }); + Ok(call) + }); + cx.jobs.callback(callback); + } +} + +pub fn dap_switch_thread(cx: &mut Context) { + thread_picker(cx, |editor, thread| { + block_on(select_thread_id(editor, thread.id, true)); + }) +} +pub fn dap_switch_stack_frame(cx: &mut Context) { + let debugger = debugger!(cx.editor); + + let thread_id = match debugger.thread_id { + Some(thread_id) => thread_id, + None => { + cx.editor + .set_error("No thread is currently active".to_owned()); + return; + } + }; + + let frames = debugger.stack_frames[&thread_id].clone(); + + let picker = FilePicker::new( + frames, + |frame| frame.name.clone().into(), // TODO: include thread_states in the label + move |cx, frame, _action| { + let debugger = debugger!(cx.editor); + // TODO: this should be simpler to find + let pos = debugger.stack_frames[&thread_id] + .iter() + .position(|f| f.id == frame.id); + debugger.active_frame = pos; + + let frame = debugger.stack_frames[&thread_id] + .get(pos.unwrap_or(0)) + .cloned(); + if let Some(frame) = &frame { + jump_to_stack_frame(cx.editor, frame); + } + }, + move |_editor, frame| { + frame + .source + .as_ref() + .and_then(|source| source.path.clone()) + .map(|path| { + ( + path, + Some(( + frame.line.saturating_sub(1), + frame.end_line.unwrap_or(frame.line).saturating_sub(1), + )), + ) + }) + }, + ); + cx.push_layer(Box::new(picker)) +} diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs index 212b27a9..e08d7e44 100644 --- a/helix-term/src/keymap.rs +++ b/helix-term/src/keymap.rs @@ -659,6 +659,26 @@ impl Default for Keymaps { "S" => workspace_symbol_picker, "a" => code_action, "'" => last_picker, + "d" => { "Debug" sticky=true + "l" => dap_launch, + "b" => dap_toggle_breakpoint, + "c" => dap_continue, + "h" => dap_pause, + "i" => dap_step_in, + "o" => dap_step_out, + "n" => dap_next, + "v" => dap_variables, + "t" => dap_terminate, + "C-c" => dap_edit_condition, + "C-l" => dap_edit_log, + "s" => { "Switch" + "t" => dap_switch_thread, + "f" => dap_switch_stack_frame, + // sl, sb + }, + "e" => dap_enable_exceptions, + "E" => dap_disable_exceptions, + }, "w" => { "Window" "C-w" | "w" => rotate_view, "C-s" | "s" => hsplit, diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs index e68f5ff0..a2131abe 100644 --- a/helix-term/src/ui/editor.rs +++ b/helix-term/src/ui/editor.rs @@ -59,33 +59,66 @@ impl EditorView { &mut self.spinners } - #[allow(clippy::too_many_arguments)] pub fn render_view( &self, + editor: &Editor, doc: &Document, view: &View, viewport: Rect, surface: &mut Surface, - theme: &Theme, is_focused: bool, - config: &helix_view::editor::Config, ) { let inner = view.inner_area(); let area = view.area; + let theme = &editor.theme; + + // DAP: Highlight current stack frame position + let stack_frame = editor.debugger.as_ref().and_then(|debugger| { + if let (Some(frame), Some(thread_id)) = (debugger.active_frame, debugger.thread_id) { + debugger + .stack_frames + .get(&thread_id) + .and_then(|bt| bt.get(frame)) + } else { + None + } + }); + if let Some(frame) = stack_frame { + if doc.path().is_some() + && frame + .source + .as_ref() + .and_then(|source| source.path.as_ref()) + == doc.path() + { + let line = frame.line - 1; // convert to 0-indexing + if line >= view.offset.row && line < view.offset.row + area.height as usize { + surface.set_style( + Rect::new( + area.x, + area.y + (line - view.offset.row) as u16, + area.width, + 1, + ), + theme.get("ui.highlight"), + ); + } + } + } let highlights = Self::doc_syntax_highlights(doc, view.offset, inner.height, theme); let highlights = syntax::merge(highlights, Self::doc_diagnostics_highlights(doc, theme)); let highlights: Box<dyn Iterator<Item = HighlightEvent>> = if is_focused { Box::new(syntax::merge( highlights, - Self::doc_selection_highlights(doc, view, theme, &config.cursor_shape), + Self::doc_selection_highlights(doc, view, theme, &editor.config.cursor_shape), )) } else { Box::new(highlights) }; Self::render_text_highlights(doc, view.offset, inner, surface, theme, highlights); - Self::render_gutter(doc, view, view.area, surface, theme, is_focused, config); + Self::render_gutter(editor, doc, view, view.area, surface, theme, is_focused); if is_focused { Self::render_focused_view_elements(view, doc, inner, theme, surface); @@ -404,13 +437,13 @@ impl EditorView { } pub fn render_gutter( + editor: &Editor, doc: &Document, view: &View, viewport: Rect, surface: &mut Surface, theme: &Theme, is_focused: bool, - config: &helix_view::editor::Config, ) { let text = doc.text().slice(..); let last_line = view.last_line(doc); @@ -432,7 +465,7 @@ impl EditorView { let mut text = String::with_capacity(8); for (constructor, width) in view.gutters() { - let gutter = constructor(doc, view, theme, config, is_focused, *width); + let gutter = constructor(editor, doc, view, theme, is_focused, *width); text.reserve(*width); // ensure there's enough space for the gutter for (i, line) in (view.offset.row..(last_line + 1)).enumerate() { let selected = cursors.contains(&line); @@ -448,6 +481,7 @@ impl EditorView { } text.clear(); } + offset += *width as u16; } } @@ -825,6 +859,31 @@ impl EditorView { return EventResult::Consumed(None); } + let result = editor.tree.views().find_map(|(view, _focus)| { + view.gutter_coords_at_screen_coords(row, column) + .map(|coords| (coords, view.id)) + }); + + if let Some((coords, view_id)) = result { + editor.tree.focus = view_id; + + let view = editor.tree.get(view_id); + let doc = editor.documents.get_mut(&view.doc).unwrap(); + + let path = match doc.path() { + Some(path) => path.clone(), + None => { + return EventResult::Ignored; + } + }; + + let line = coords.row + view.offset.row; + if line < doc.text().len_lines() { + commands::dap_toggle_breakpoint_impl(cxt, path, line); + return EventResult::Consumed(None); + } + } + EventResult::Ignored } @@ -901,6 +960,38 @@ impl EditorView { } MouseEvent { + kind: MouseEventKind::Up(MouseButton::Right), + row, + column, + modifiers, + .. + } => { + let result = cxt.editor.tree.views().find_map(|(view, _focus)| { + view.gutter_coords_at_screen_coords(row, column) + .map(|coords| (coords, view.id)) + }); + + if let Some((coords, view_id)) = result { + cxt.editor.tree.focus = view_id; + + let view = cxt.editor.tree.get(view_id); + let doc = cxt.editor.documents.get_mut(&view.doc).unwrap(); + let line = coords.row + view.offset.row; + if let Ok(pos) = doc.text().try_line_to_char(line) { + doc.set_selection(view_id, Selection::point(pos)); + if modifiers == crossterm::event::KeyModifiers::ALT { + commands::MappableCommand::dap_edit_log.execute(cxt); + } else { + commands::MappableCommand::dap_edit_condition.execute(cxt); + } + + return EventResult::Consumed(None); + } + } + EventResult::Ignored + } + + MouseEvent { kind: MouseEventKind::Up(MouseButton::Middle), row, column, @@ -1078,15 +1169,7 @@ impl Component for EditorView { for (view, is_focused) in cx.editor.tree.views() { let doc = cx.editor.document(view.doc).unwrap(); - self.render_view( - doc, - view, - area, - surface, - &cx.editor.theme, - is_focused, - &cx.editor.config, - ); + self.render_view(cx.editor, doc, view, area, surface, is_focused); } if cx.editor.config.auto_info { diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs index 7bbd9ced..49f7b2fa 100644 --- a/helix-term/src/ui/mod.rs +++ b/helix-term/src/ui/mod.rs @@ -21,7 +21,7 @@ pub use text::Text; use helix_core::regex::Regex; use helix_core::regex::RegexBuilder; -use helix_view::{Document, Editor, View}; +use helix_view::{Document, View}; use std::path::PathBuf; @@ -161,8 +161,8 @@ pub fn file_picker(root: PathBuf, config: &helix_view::editor::Config) -> FilePi .unwrap() .into() }, - move |editor: &mut Editor, path: &PathBuf, action| { - editor + move |cx, path: &PathBuf, action| { + cx.editor .open(path.into(), action) .expect("editor.open failed"); }, diff --git a/helix-term/src/ui/picker.rs b/helix-term/src/ui/picker.rs index 4068a2d4..2c7db7f2 100644 --- a/helix-term/src/ui/picker.rs +++ b/helix-term/src/ui/picker.rs @@ -86,7 +86,7 @@ impl<T> FilePicker<T> { pub fn new( options: Vec<T>, format_fn: impl Fn(&T) -> Cow<str> + 'static, - callback_fn: impl Fn(&mut Editor, &T, Action) + 'static, + callback_fn: impl Fn(&mut Context, &T, Action) + 'static, preview_fn: impl Fn(&Editor, &T) -> Option<FileLocation> + 'static, ) -> Self { Self { @@ -280,7 +280,7 @@ pub struct Picker<T> { pub truncate_start: bool, format_fn: Box<dyn Fn(&T) -> Cow<str>>, - callback_fn: Box<dyn Fn(&mut Editor, &T, Action)>, + callback_fn: Box<dyn Fn(&mut Context, &T, Action)>, } impl<T> Picker<T> { @@ -288,7 +288,7 @@ impl<T> Picker<T> { render_centered: bool, options: Vec<T>, format_fn: impl Fn(&T) -> Cow<str> + 'static, - callback_fn: impl Fn(&mut Editor, &T, Action) + 'static, + callback_fn: impl Fn(&mut Context, &T, Action) + 'static, ) -> Self { let prompt = Prompt::new( "".into(), @@ -427,19 +427,19 @@ impl<T: 'static> Component for Picker<T> { } key!(Enter) => { if let Some(option) = self.selection() { - (self.callback_fn)(cx.editor, option, Action::Replace); + (self.callback_fn)(cx, option, Action::Replace); } return close_fn; } ctrl!('s') => { if let Some(option) = self.selection() { - (self.callback_fn)(cx.editor, option, Action::HorizontalSplit); + (self.callback_fn)(cx, option, Action::HorizontalSplit); } return close_fn; } ctrl!('v') => { if let Some(option) = self.selection() { - (self.callback_fn)(cx.editor, option, Action::VerticalSplit); + (self.callback_fn)(cx, option, Action::VerticalSplit); } return close_fn; } diff --git a/helix-term/src/ui/text.rs b/helix-term/src/ui/text.rs index 4641fae1..caece049 100644 --- a/helix-term/src/ui/text.rs +++ b/helix-term/src/ui/text.rs @@ -4,7 +4,7 @@ use tui::buffer::Buffer as Surface; use helix_view::graphics::Rect; pub struct Text { - contents: String, + contents: tui::text::Text<'static>, size: (u16, u16), viewport: (u16, u16), } @@ -12,18 +12,28 @@ pub struct Text { impl Text { pub fn new(contents: String) -> Self { Self { + contents: tui::text::Text::from(contents), + size: (0, 0), + viewport: (0, 0), + } + } +} + +impl From<tui::text::Text<'static>> for Text { + fn from(contents: tui::text::Text<'static>) -> Self { + Self { contents, size: (0, 0), viewport: (0, 0), } } } + impl Component for Text { fn render(&mut self, area: Rect, surface: &mut Surface, _cx: &mut Context) { use tui::widgets::{Paragraph, Widget, Wrap}; - let contents = tui::text::Text::from(self.contents.clone()); - let par = Paragraph::new(contents).wrap(Wrap { trim: false }); + let par = Paragraph::new(self.contents.clone()).wrap(Wrap { trim: false }); // .scroll(x, y) offsets par.render(area, surface); @@ -31,9 +41,8 @@ impl Component for Text { fn required_size(&mut self, viewport: (u16, u16)) -> Option<(u16, u16)> { if viewport != self.viewport { - let contents = tui::text::Text::from(self.contents.clone()); - let width = std::cmp::min(contents.width() as u16, viewport.0); - let height = std::cmp::min(contents.height() as u16, viewport.1); + let width = std::cmp::min(self.contents.width() as u16, viewport.0); + let height = std::cmp::min(self.contents.height() as u16, viewport.1); self.size = (width, height); self.viewport = viewport; } |