// Copyright 2016 Joe Wilm, The Alacritty Project Contributors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // //! Handle input from glutin //! //! Certain key combinations should send some escape sequence back to the pty. //! In order to figure that out, state about which modifier keys are pressed //! needs to be tracked. Additionally, we need a bit of a state machine to //! determine what to do when a non-modifier key is pressed. use std::borrow::Cow; use std::mem; use std::process::Command; use std::time::Instant; #[cfg(not(windows))] use std::os::unix::process::CommandExt; use copypasta::{Clipboard, Load, Buffer as ClipboardBuffer}; use glutin::{ElementState, MouseButton, TouchPhase, MouseScrollDelta, ModifiersState, KeyboardInput}; use config::{self, Key}; use grid::Scroll; use event::{ClickState, Mouse}; use index::{Line, Column, Side, Point}; use term::SizeInfo; use term::mode::TermMode; use util::fmt::Red; pub const FONT_SIZE_STEP: f32 = 0.5; /// Processes input from glutin. /// /// An escape sequence may be emitted in case specific keys or key combinations /// are activated. /// /// TODO also need terminal state when processing input pub struct Processor<'a, A: 'a> { pub key_bindings: &'a [KeyBinding], pub mouse_bindings: &'a [MouseBinding], pub mouse_config: &'a config::Mouse, pub scrolling_config: &'a config::Scrolling, pub ctx: A, pub save_to_clipboard: bool, } pub trait ActionContext { fn write_to_pty>>(&mut self, B); fn terminal_mode(&self) -> TermMode; fn size_info(&self) -> SizeInfo; fn copy_selection(&self, ClipboardBuffer); fn clear_selection(&mut self); fn update_selection(&mut self, point: Point, side: Side); fn simple_selection(&mut self, point: Point, side: Side); fn semantic_selection(&mut self, point: Point); fn line_selection(&mut self, point: Point); fn selection_is_empty(&self) -> bool; fn mouse_mut(&mut self) -> &mut Mouse; fn mouse(&self) -> &Mouse; fn mouse_coords(&self) -> Option; fn received_count(&mut self) -> &mut usize; fn suppress_chars(&mut self) -> &mut bool; fn last_modifiers(&mut self) -> &mut ModifiersState; fn change_font_size(&mut self, delta: f32); fn reset_font_size(&mut self); fn scroll(&mut self, scroll: Scroll); fn clear_history(&mut self); fn hide_window(&mut self); fn url(&self, _: Point) -> Option; } /// Describes a state and action to take in that state /// /// This is the shared component of `MouseBinding` and `KeyBinding` #[derive(Debug, Clone)] pub struct Binding { /// Modifier keys required to activate binding pub mods: ModifiersState, /// String to send to pty if mods and mode match pub action: Action, /// Terminal mode required to activate binding pub mode: TermMode, /// excluded terminal modes where the binding won't be activated pub notmode: TermMode, /// This property is used as part of the trigger detection code. /// /// For example, this might be a key like "G", or a mouse button. pub trigger: T, } /// Bindings that are triggered by a keyboard key pub type KeyBinding = Binding; /// Bindings that are triggered by a mouse button pub type MouseBinding = Binding; impl Binding { #[inline] fn is_triggered_by( &self, mode: TermMode, mods: ModifiersState, input: &T, relaxed: bool, ) -> bool { // Check input first since bindings are stored in one big list. This is // the most likely item to fail so prioritizing it here allows more // checks to be short circuited. self.trigger == *input && self.mode_matches(mode) && self.not_mode_matches(mode) && self.mods_match(mods, relaxed) } } impl Binding { /// Execute the action associate with this binding #[inline] fn execute(&self, ctx: &mut A, mouse_mode: bool) { self.action.execute(ctx, mouse_mode) } #[inline] fn mode_matches(&self, mode: TermMode) -> bool { self.mode.is_empty() || mode.intersects(self.mode) } #[inline] fn not_mode_matches(&self, mode: TermMode) -> bool { self.notmode.is_empty() || !mode.intersects(self.notmode) } /// Check that two mods descriptions for equivalence #[inline] fn mods_match(&self, mods: ModifiersState, relaxed: bool) -> bool { if relaxed { self.mods.relaxed_eq(mods) } else { self.mods == mods } } } #[derive(Debug, Clone)] pub enum Action { /// Write an escape sequence Esc(String), /// Paste contents of system clipboard Paste, // Store current selection into clipboard Copy, /// Paste contents of selection buffer PasteSelection, /// Increase font size IncreaseFontSize, /// Decrease font size DecreaseFontSize, /// Reset font size to the config value ResetFontSize, /// Scroll exactly one page up ScrollPageUp, /// Scroll exactly one page down ScrollPageDown, /// Scroll all the way to the top ScrollToTop, /// Scroll all the way to the bottom ScrollToBottom, /// Clear the display buffer(s) to remove history ClearHistory, /// Run given command Command(String, Vec), /// Hides the Alacritty window Hide, /// Quits Alacritty. Quit, } impl Action { #[inline] fn execute(&self, ctx: &mut A, mouse_mode: bool) { match *self { Action::Esc(ref s) => { ctx.scroll(Scroll::Bottom); ctx.write_to_pty(s.clone().into_bytes()) }, Action::Copy => { ctx.copy_selection(ClipboardBuffer::Primary); }, Action::Paste => { Clipboard::new() .and_then(|clipboard| clipboard.load_primary() ) .map(|contents| { self.paste(ctx, &contents) }) .unwrap_or_else(|err| { error!("Error loading data from clipboard. {}", Red(err)); }); }, Action::PasteSelection => { // Only paste if mouse events are not captured by an application if !mouse_mode { Clipboard::new() .and_then(|clipboard| clipboard.load_selection() ) .map(|contents| { self.paste(ctx, &contents) }) .unwrap_or_else(|err| { error!("Error loading data from clipboard. {}", Red(err)); }); } }, Action::Command(ref program, ref args) => { trace!("running command: {} {:?}", program, args); #[cfg(not(windows))] let spawned = Command::new(program) .args(args) .before_exec(|| { // Detach forked process from Alacritty. This will cause // init or whatever to clean up child processes for us. unsafe { ::libc::daemon(1, 0); } Ok(()) }) .spawn(); #[cfg(windows)] let spawned = Command::new(program) .args(args) .spawn(); match spawned { Ok(child) => { debug!("spawned new proc with pid: {}", child.id()); }, Err(err) => { warn!("couldn't run command: {}", err); }, } }, Action::Hide => { ctx.hide_window(); }, Action::Quit => { // FIXME should do a more graceful shutdown ::std::process::exit(0); }, Action::IncreaseFontSize => { ctx.change_font_size(FONT_SIZE_STEP); }, Action::DecreaseFontSize => { ctx.change_font_size(-FONT_SIZE_STEP); } Action::ResetFontSize => { ctx.reset_font_size(); }, Action::ScrollPageUp => { ctx.scroll(Scroll::PageUp); }, Action::ScrollPageDown => { ctx.scroll(Scroll::PageDown); }, Action::ScrollToTop => { ctx.scroll(Scroll::Top); }, Action::ScrollToBottom => { ctx.scroll(Scroll::Bottom); }, Action::ClearHistory => { ctx.clear_history(); }, } } fn paste(&self, ctx: &mut A, contents: &str) { if ctx.terminal_mode().contains(TermMode::BRACKETED_PASTE) { ctx.write_to_pty(&b"\x1b[200~"[..]); ctx.write_to_pty(contents.replace("\x1b","").into_bytes()); ctx.write_to_pty(&b"\x1b[201~"[..]); } else { // In non-bracketed (ie: normal) mode, terminal applications cannot distinguish // pasted data from keystrokes. // In theory, we should construct the keystrokes needed to produce the data we are // pasting... since that's neither practical nor sensible (and probably an impossible // task to solve in a general way), we'll just replace line breaks (windows and unix // style) with a singe carriage return (\r, which is what the Enter key produces). ctx.write_to_pty(contents.replace("\r\n","\r").replace("\n","\r").into_bytes()); } } } trait RelaxedEq { fn relaxed_eq(&self, other: T) -> bool; } impl RelaxedEq for ModifiersState { // Make sure that modifiers in the config are always present, // but ignore surplus modifiers. fn relaxed_eq(&self, other: Self) -> bool { (!self.logo || other.logo) && (!self.alt || other.alt) && (!self.ctrl || other.ctrl) && (!self.shift || other.shift) } } impl From<&'static str> for Action { fn from(s: &'static str) -> Action { Action::Esc(s.into()) } } impl<'a, A: ActionContext + 'a> Processor<'a, A> { #[inline] pub fn mouse_moved(&mut self, x: usize, y: usize, modifiers: ModifiersState) { self.ctx.mouse_mut().x = x; self.ctx.mouse_mut().y = y; let size_info = self.ctx.size_info(); let point = size_info.pixels_to_coords(x, y); let cell_side = self.get_mouse_side(); let prev_side = mem::replace(&mut self.ctx.mouse_mut().cell_side, cell_side); let prev_line = mem::replace(&mut self.ctx.mouse_mut().line, point.line); let prev_col = mem::replace(&mut self.ctx.mouse_mut().column, point.col); let motion_mode = TermMode::MOUSE_MOTION | TermMode::MOUSE_DRAG; let report_mode = TermMode::MOUSE_REPORT_CLICK | motion_mode; // Don't launch URLs if mouse has moved if prev_line != self.ctx.mouse().line || prev_col != self.ctx.mouse().column || prev_side != cell_side { self.ctx.mouse_mut().block_url_launcher = true; } if self.ctx.mouse().left_button_state == ElementState::Pressed && (modifiers.shift || !self.ctx.terminal_mode().intersects(report_mode)) { self.ctx.update_selection( Point { line: point.line, col: point.col, }, cell_side, ); } else if self.ctx.terminal_mode().intersects(motion_mode) // Only report motion when changing cells && (prev_line != self.ctx.mouse().line || prev_col != self.ctx.mouse().column) && size_info.contains_point(x, y) { if self.ctx.mouse().left_button_state == ElementState::Pressed { self.mouse_report(32, ElementState::Pressed, modifiers); } else if self.ctx.mouse().middle_button_state == ElementState::Pressed { self.mouse_report(33, ElementState::Pressed, modifiers); } else if self.ctx.mouse().right_button_state == ElementState::Pressed { self.mouse_report(34, ElementState::Pressed, modifiers); } else if self.ctx.terminal_mode().contains(TermMode::MOUSE_MOTION) { self.mouse_report(35, ElementState::Pressed, modifiers); } } } fn get_mouse_side(&self) -> Side { let size_info = self.ctx.size_info(); let x = self.ctx.mouse().x; let cell_x = x.saturating_sub(size_info.padding_x as usize) % size_info.cell_width as usize; let half_cell_width = (size_info.cell_width / 2.0) as usize; let additional_padding = (size_info.width - size_info.padding_x * 2.) % size_info.cell_width; let end_of_grid = size_info.width - size_info.padding_x - additional_padding; if cell_x > half_cell_width // Edge case when mouse leaves the window || x as f32 >= end_of_grid { Side::Right } else { Side::Left } } pub fn normal_mouse_report(&mut self, button: u8) { let (line, column) = (self.ctx.mouse().line, self.ctx.mouse().column); if line < Line(223) && column < Column(223) { let msg = vec![ b'\x1b', b'[', b'M', 32 + button, 32 + 1 + column.0 as u8, 32 + 1 + line.0 as u8, ]; self.ctx.write_to_pty(msg); } } pub fn sgr_mouse_report(&mut self, button: u8, state: ElementState) { let (line, column) = (self.ctx.mouse().line, self.ctx.mouse().column); let c = match state { ElementState::Pressed => 'M', ElementState::Released => 'm', }; let msg = format!("\x1b[<{};{};{}{}", button, column + 1, line + 1, c); self.ctx.write_to_pty(msg.into_bytes()); } pub fn mouse_report(&mut self, button: u8, state: ElementState, modifiers: ModifiersState) { // Calculate modifiers value let mut mods = 0; if modifiers.shift { mods += 4; } if modifiers.alt { mods += 8; } if modifiers.ctrl { mods += 16; } // Report mouse events if self.ctx.terminal_mode().contains(TermMode::SGR_MOUSE) { self.sgr_mouse_report(button + mods, state); } else if let ElementState::Released = state { self.normal_mouse_report(3 + mods); } else { self.normal_mouse_report(button + mods); } } pub fn on_mouse_double_click(&mut self) { if let Some(point) = self.ctx.mouse_coords() { self.ctx.semantic_selection(point); } } pub fn on_mouse_triple_click(&mut self) { if let Some(point) = self.ctx.mouse_coords() { self.ctx.line_selection(point); } } pub fn on_mouse_press(&mut self, button: MouseButton, modifiers: ModifiersState) { let now = Instant::now(); let elapsed = self.ctx.mouse().last_click_timestamp.elapsed(); self.ctx.mouse_mut().last_click_timestamp = now; self.ctx.mouse_mut().click_state = match self.ctx.mouse().click_state { ClickState::Click if elapsed < self.mouse_config.double_click.threshold => { self.ctx.mouse_mut().block_url_launcher = true; self.on_mouse_double_click(); ClickState::DoubleClick }, ClickState::DoubleClick if elapsed < self.mouse_config.triple_click.threshold => { self.ctx.mouse_mut().block_url_launcher = true; self.on_mouse_triple_click(); ClickState::TripleClick }, _ => { // Don't launch URLs if this click cleared the selection self.ctx.mouse_mut().block_url_launcher = !self.ctx.selection_is_empty(); self.ctx.clear_selection(); // Start new empty selection if let Some(point) = self.ctx.mouse_coords() { let side = self.ctx.mouse().cell_side; self.ctx.simple_selection(point, side); } let report_modes = TermMode::MOUSE_REPORT_CLICK | TermMode::MOUSE_DRAG | TermMode::MOUSE_MOTION; if !modifiers.shift && self.ctx.terminal_mode().intersects(report_modes) { match button { MouseButton::Left => self.mouse_report(0, ElementState::Pressed, modifiers), MouseButton::Middle => self.mouse_report(1, ElementState::Pressed, modifiers), MouseButton::Right => self.mouse_report(2, ElementState::Pressed, modifiers), // Can't properly report more than three buttons. MouseButton::Other(_) => (), }; return; } ClickState::Click } }; } pub fn on_mouse_release(&mut self, button: MouseButton, modifiers: ModifiersState) { let report_modes = TermMode::MOUSE_REPORT_CLICK | TermMode::MOUSE_DRAG | TermMode::MOUSE_MOTION; if !modifiers.shift && self.ctx.terminal_mode().intersects(report_modes) { match button { MouseButton::Left => self.mouse_report(0, ElementState::Released, modifiers), MouseButton::Middle => self.mouse_report(1, ElementState::Released, modifiers), MouseButton::Right => self.mouse_report(2, ElementState::Released, modifiers), // Can't properly report more than three buttons. MouseButton::Other(_) => (), }; return; } else { self.launch_url(modifiers); } if self.save_to_clipboard { self.ctx.copy_selection(ClipboardBuffer::Primary); } self.ctx.copy_selection(ClipboardBuffer::Selection); } // Spawn URL launcher when clicking on URLs fn launch_url(&self, modifiers: ModifiersState) -> Option<()> { if !self.mouse_config.url.modifiers.relaxed_eq(modifiers) || self.ctx.mouse().block_url_launcher { return None; } let point = self.ctx.mouse_coords()?; let text = self.ctx.url(point.into())?; let launcher = self.mouse_config.url.launcher.as_ref()?; let mut args = launcher.args().to_vec(); args.push(text); match Command::new(launcher.program()).args(&args).spawn() { Ok(_) => debug!("Launched: {} {:?}", launcher.program(), args), Err(_) => warn!("Unable to launch: {} {:?}", launcher.program(), args), } Some(()) } pub fn on_mouse_wheel(&mut self, delta: MouseScrollDelta, phase: TouchPhase, modifiers: ModifiersState) { match delta { MouseScrollDelta::LineDelta(_columns, lines) => { let to_scroll = self.ctx.mouse().lines_scrolled + lines; let code = if to_scroll > 0.0 { 64 } else { 65 }; let scrolling_multiplier = self.scrolling_config.multiplier; for _ in 0..(to_scroll.abs() as usize) { self.scroll_terminal(code, modifiers, scrolling_multiplier) } self.ctx.mouse_mut().lines_scrolled = to_scroll % 1.0; }, MouseScrollDelta::PixelDelta(lpos) => { match phase { TouchPhase::Started => { // Reset offset to zero self.ctx.mouse_mut().scroll_px = 0; }, TouchPhase::Moved => { let (_x, y): (i32, i32) = lpos.into(); self.ctx.mouse_mut().scroll_px += y; let height = self.ctx.size_info().cell_height as i32; while self.ctx.mouse().scroll_px.abs() >= height { let code = if self.ctx.mouse().scroll_px > 0 { self.ctx.mouse_mut().scroll_px -= height; 64 } else { self.ctx.mouse_mut().scroll_px += height; 65 }; self.scroll_terminal(code, modifiers, 1) } }, _ => (), } } } } fn scroll_terminal(&mut self, code: u8, modifiers: ModifiersState, scroll_multiplier: u8) { debug_assert!(code == 64 || code == 65); let mouse_modes = TermMode::MOUSE_REPORT_CLICK | TermMode::MOUSE_DRAG | TermMode::MOUSE_MOTION; // Make sure the new and deprecated setting are both allowed let faux_scrolling_lines = self.mouse_config .faux_scrollback_lines .unwrap_or(self.scrolling_config.faux_multiplier as usize); if self.ctx.terminal_mode().intersects(mouse_modes) { self.mouse_report(code, ElementState::Pressed, modifiers); } else if self.ctx.terminal_mode().contains(TermMode::ALT_SCREEN) && faux_scrolling_lines > 0 && !modifiers.shift { // Faux scrolling let cmd = code + 1; // 64 + 1 = A, 65 + 1 = B let mut content = Vec::with_capacity(faux_scrolling_lines as usize * 3); for _ in 0..faux_scrolling_lines { content.push(0x1b); content.push(b'O'); content.push(cmd); } self.ctx.write_to_pty(content); } else { for _ in 0..scroll_multiplier { // Transform the reported button codes 64 and 65 into 1 and -1 lines to scroll self.ctx.scroll(Scroll::Lines(-(code as isize * 2 - 129))); } } } pub fn on_focus_change(&mut self, is_focused: bool) { if self.ctx.terminal_mode().contains(TermMode::FOCUS_IN_OUT) { let chr = if is_focused { "I" } else { "O" }; let msg = format!("\x1b[{}", chr); self.ctx.write_to_pty(msg.into_bytes()); } } pub fn mouse_input(&mut self, state: ElementState, button: MouseButton, modifiers: ModifiersState) { let prev_state = match button { MouseButton::Left => Some(mem::replace(&mut self.ctx.mouse_mut().left_button_state, state)), MouseButton::Middle => Some(mem::replace(&mut self.ctx.mouse_mut().middle_button_state, state)), MouseButton::Right => Some(mem::replace(&mut self.ctx.mouse_mut().right_button_state, state)), // Can't properly report more than three buttons. MouseButton::Other(_) => None, }; if let Some(prev_state) = prev_state { if prev_state != state { match state { ElementState::Pressed => self.on_mouse_press(button, modifiers), ElementState::Released => self.on_mouse_release(button, modifiers), }; } } if let ElementState::Released = state { return; } self.process_mouse_bindings(modifiers, button); } /// Process key input /// /// If a keybinding was run, returns true. Otherwise returns false. pub fn process_key(&mut self, input: KeyboardInput) { match input.state { ElementState::Pressed => { *self.ctx.last_modifiers() = input.modifiers; *self.ctx.received_count() = 0; *self.ctx.suppress_chars() = false; if self.process_key_bindings(input) { *self.ctx.suppress_chars() = true; } }, ElementState::Released => *self.ctx.suppress_chars() = false, } } /// Process a received character pub fn received_char(&mut self, c: char) { if !*self.ctx.suppress_chars() { self.ctx.scroll(Scroll::Bottom); self.ctx.clear_selection(); let utf8_len = c.len_utf8(); if *self.ctx.received_count() == 0 && self.ctx.last_modifiers().alt && utf8_len == 1 { self.ctx.write_to_pty(b"\x1b".to_vec()); } let mut bytes = Vec::with_capacity(utf8_len); unsafe { bytes.set_len(utf8_len); c.encode_utf8(&mut bytes[..]); } self.ctx.write_to_pty(bytes); *self.ctx.received_count() += 1; } } /// Attempts to find a binding and execute its action /// /// The provided mode, mods, and key must match what is allowed by a binding /// for its action to be executed. /// /// Returns true if an action is executed. fn process_key_bindings(&mut self, input: KeyboardInput) -> bool { let mut has_binding = false; for binding in self.key_bindings { let is_triggered = match binding.trigger { Key::Scancode(_) => binding.is_triggered_by( self.ctx.terminal_mode(), input.modifiers, &Key::Scancode(input.scancode), false, ), _ => if let Some(key) = input.virtual_keycode { let key = Key::from_glutin_input(key); binding.is_triggered_by(self.ctx.terminal_mode(), input.modifiers, &key, false) } else { false }, }; if is_triggered { // binding was triggered; run the action binding.execute(&mut self.ctx, false); has_binding = true; } } has_binding } /// Attempts to find a binding and execute its action /// /// The provided mode, mods, and key must match what is allowed by a binding /// for its action to be executed. /// /// Returns true if an action is executed. fn process_mouse_bindings(&mut self, mods: ModifiersState, button: MouseButton) -> bool { let mut has_binding = false; for binding in self.mouse_bindings { if binding.is_triggered_by(self.ctx.terminal_mode(), mods, &button, true) { // binding was triggered; run the action let mouse_mode = !mods.shift && self.ctx.terminal_mode().intersects( TermMode::MOUSE_REPORT_CLICK | TermMode::MOUSE_DRAG | TermMode::MOUSE_MOTION ); binding.execute(&mut self.ctx, mouse_mode); has_binding = true; } } has_binding } } #[cfg(test)] mod tests { use std::borrow::Cow; use std::time::Duration; use glutin::{VirtualKeyCode, Event, WindowEvent, ElementState, MouseButton, ModifiersState}; use term::{SizeInfo, Term, TermMode}; use event::{Mouse, ClickState, WindowChanges}; use config::{self, Config, ClickHandler}; use index::{Point, Side}; use selection::Selection; use grid::Scroll; use super::{Action, Binding, Processor}; use copypasta::Buffer as ClipboardBuffer; const KEY: VirtualKeyCode = VirtualKeyCode::Key0; #[derive(PartialEq)] enum MultiClick { DoubleClick, TripleClick, None, } struct ActionContext<'a> { pub terminal: &'a mut Term, pub selection: &'a mut Option, pub size_info: &'a SizeInfo, pub mouse: &'a mut Mouse, pub last_action: MultiClick, pub received_count: usize, pub suppress_chars: bool, pub last_modifiers: ModifiersState, pub window_changes: &'a mut WindowChanges, } impl <'a>super::ActionContext for ActionContext<'a> { fn write_to_pty>>(&mut self, _val: B) { // STUBBED } fn terminal_mode(&self) -> TermMode { *self.terminal.mode() } fn size_info(&self) -> SizeInfo { *self.size_info } fn copy_selection(&self, _buffer: ClipboardBuffer) { // STUBBED } fn clear_selection(&mut self) {} fn update_selection(&mut self, _point: Point, _side: Side) {} fn simple_selection(&mut self, _point: Point, _side: Side) {} fn semantic_selection(&mut self, _point: Point) { // set something that we can check for here self.last_action = MultiClick::DoubleClick; } fn line_selection(&mut self, _point: Point) { self.last_action = MultiClick::TripleClick; } fn selection_is_empty(&self) -> bool { true } fn scroll(&mut self, scroll: Scroll) { self.terminal.scroll_display(scroll); } fn mouse_coords(&self) -> Option { self.terminal.pixels_to_coords(self.mouse.x as usize, self.mouse.y as usize) } #[inline] fn mouse_mut(&mut self) -> &mut Mouse { self.mouse } #[inline] fn mouse(&self) -> &Mouse { self.mouse } fn url(&self, _: Point) -> Option { None } fn received_count(&mut self) -> &mut usize { &mut self.received_count } fn suppress_chars(&mut self) -> &mut bool { &mut self.suppress_chars } fn last_modifiers(&mut self) -> &mut ModifiersState { &mut self.last_modifiers } fn change_font_size(&mut self, _delta: f32) { } fn reset_font_size(&mut self) { } fn clear_history(&mut self) { } fn hide_window(&mut self) { } } macro_rules! test_clickstate { { name: $name:ident, initial_state: $initial_state:expr, input: $input:expr, end_state: $end_state:pat, last_action: $last_action:expr } => { #[test] fn $name() { let config = Config::default(); let size = SizeInfo { width: 21.0, height: 51.0, cell_width: 3.0, cell_height: 3.0, padding_x: 0.0, padding_y: 0.0, dpr: 1.0, }; let mut terminal = Term::new(&config, size); let mut mouse = Mouse::default(); mouse.click_state = $initial_state; let mut selection = None; let context = ActionContext { terminal: &mut terminal, selection: &mut selection, mouse: &mut mouse, size_info: &size, last_action: MultiClick::None, received_count: 0, suppress_chars: false, last_modifiers: ModifiersState::default(), window_changes: &mut WindowChanges::default(), }; let mut processor = Processor { ctx: context, mouse_config: &config::Mouse { double_click: ClickHandler { threshold: Duration::from_millis(1000), }, triple_click: ClickHandler { threshold: Duration::from_millis(1000), }, hide_when_typing: false, faux_scrollback_lines: None, url: Default::default(), }, scrolling_config: &config::Scrolling::default(), key_bindings: &config.key_bindings()[..], mouse_bindings: &config.mouse_bindings()[..], save_to_clipboard: config.selection().save_to_clipboard, }; if let Event::WindowEvent { event: WindowEvent::MouseInput { state, button, modifiers, .. }, .. } = $input { processor.mouse_input(state, button, modifiers); }; assert!(match mouse.click_state { $end_state => processor.ctx.last_action == $last_action, _ => false }); } } } macro_rules! test_process_binding { { name: $name:ident, binding: $binding:expr, triggers: $triggers:expr, mode: $mode:expr, mods: $mods:expr } => { #[test] fn $name() { if $triggers { assert!($binding.is_triggered_by($mode, $mods, &KEY, false)); } else { assert!(!$binding.is_triggered_by($mode, $mods, &KEY, false)); } } } } test_clickstate! { name: single_click, initial_state: ClickState::None, input: Event::WindowEvent { event: WindowEvent::MouseInput { state: ElementState::Pressed, button: MouseButton::Left, device_id: unsafe { ::std::mem::transmute_copy(&0) }, modifiers: ModifiersState::default(), }, window_id: unsafe { ::std::mem::transmute_copy(&0) }, }, end_state: ClickState::Click, last_action: MultiClick::None } test_clickstate! { name: double_click, initial_state: ClickState::Click, input: Event::WindowEvent { event: WindowEvent::MouseInput { state: ElementState::Pressed, button: MouseButton::Left, device_id: unsafe { ::std::mem::transmute_copy(&0) }, modifiers: ModifiersState::default(), }, window_id: unsafe { ::std::mem::transmute_copy(&0) }, }, end_state: ClickState::DoubleClick, last_action: MultiClick::DoubleClick } test_clickstate! { name: triple_click, initial_state: ClickState::DoubleClick, input: Event::WindowEvent { event: WindowEvent::MouseInput { state: ElementState::Pressed, button: MouseButton::Left, device_id: unsafe { ::std::mem::transmute_copy(&0) }, modifiers: ModifiersState::default(), }, window_id: unsafe { ::std::mem::transmute_copy(&0) }, }, end_state: ClickState::TripleClick, last_action: MultiClick::TripleClick } test_process_binding! { name: process_binding_nomode_shiftmod_require_shift, binding: Binding { trigger: KEY, mods: ModifiersState { shift: true, ctrl: false, alt: false, logo: false }, action: Action::from("\x1b[1;2D"), mode: TermMode::NONE, notmode: TermMode::NONE }, triggers: true, mode: TermMode::NONE, mods: ModifiersState { shift: true, ctrl: false, alt: false, logo: false } } test_process_binding! { name: process_binding_nomode_nomod_require_shift, binding: Binding { trigger: KEY, mods: ModifiersState { shift: true, ctrl: false, alt: false, logo: false }, action: Action::from("\x1b[1;2D"), mode: TermMode::NONE, notmode: TermMode::NONE }, triggers: false, mode: TermMode::NONE, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false } } test_process_binding! { name: process_binding_nomode_controlmod, binding: Binding { trigger: KEY, mods: ModifiersState { ctrl: true, shift: false, alt: false, logo: false }, action: Action::from("\x1b[1;5D"), mode: TermMode::NONE, notmode: TermMode::NONE }, triggers: true, mode: TermMode::NONE, mods: ModifiersState { ctrl: true, shift: false, alt: false, logo: false } } test_process_binding! { name: process_binding_nomode_nomod_require_not_appcursor, binding: Binding { trigger: KEY, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false }, action: Action::from("\x1b[D"), mode: TermMode::NONE, notmode: TermMode::APP_CURSOR }, triggers: true, mode: TermMode::NONE, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false } } test_process_binding! { name: process_binding_appcursormode_nomod_require_appcursor, binding: Binding { trigger: KEY, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false }, action: Action::from("\x1bOD"), mode: TermMode::APP_CURSOR, notmode: TermMode::NONE }, triggers: true, mode: TermMode::APP_CURSOR, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false } } test_process_binding! { name: process_binding_nomode_nomod_require_appcursor, binding: Binding { trigger: KEY, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false }, action: Action::from("\x1bOD"), mode: TermMode::APP_CURSOR, notmode: TermMode::NONE }, triggers: false, mode: TermMode::NONE, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false } } test_process_binding! { name: process_binding_appcursormode_appkeypadmode_nomod_require_appcursor, binding: Binding { trigger: KEY, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false }, action: Action::from("\x1bOD"), mode: TermMode::APP_CURSOR, notmode: TermMode::NONE }, triggers: true, mode: TermMode::APP_CURSOR | TermMode::APP_KEYPAD, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: false } } test_process_binding! { name: process_binding_fail_with_extra_mods, binding: Binding { trigger: KEY, mods: ModifiersState { shift: false, ctrl: false, alt: false, logo: true }, action: Action::from("arst"), mode: TermMode::NONE, notmode: TermMode::NONE }, triggers: false, mode: TermMode::NONE, mods: ModifiersState { shift: false, ctrl: false, alt: true, logo: true } } }