diff options
Diffstat (limited to 'src/screen.rs')
| -rw-r--r-- | src/screen.rs | 374 |
1 files changed, 171 insertions, 203 deletions
diff --git a/src/screen.rs b/src/screen.rs index c630ecf..6a4a399 100644 --- a/src/screen.rs +++ b/src/screen.rs @@ -69,7 +69,7 @@ impl Default for MouseProtocolEncoding { } } -struct State { +pub struct Screen { grid: crate::grid::Grid, alternate_grid: crate::grid::Grid, @@ -85,8 +85,8 @@ struct State { mouse_protocol_encoding: MouseProtocolEncoding, } -impl State { - fn new(size: crate::grid::Size) -> Self { +impl Screen { + pub(crate) fn new(size: crate::grid::Size) -> Self { Self { grid: crate::grid::Grid::new(size), alternate_grid: crate::grid::Grid::new(size), @@ -104,6 +104,172 @@ impl State { } } + /// Resizes the terminal. + pub fn set_size(&mut self, rows: u16, cols: u16) { + self.grid.set_size(crate::grid::Size { rows, cols }); + self.alternate_grid + .set_size(crate::grid::Size { rows, cols }); + } + + /// Returns the current size of the terminal. + /// + /// The return value will be (rows, cols). + pub fn size(&self) -> (u16, u16) { + let size = self.grid().size(); + (size.rows, size.cols) + } + + /// Returns the text contents of the subset of the terminal given by the + /// parameters. + /// + /// This will not include any formatting information, and will be in plain + /// text format. + pub fn contents( + &self, + row_start: u16, + col_start: u16, + row_end: u16, + col_end: u16, + ) -> String { + self.grid().contents(row_start, col_start, row_end, col_end) + } + + /// Returns the formatted contents of the subset of the terminal given by + /// the parameters. + /// + /// Formatting information will be included inline as terminal escape + /// codes. The result will be suitable for feeding directly to a raw + /// terminal parser, and will result in the same visual output. Internal + /// terminal modes (such as application keypad mode or alternate screen + /// mode) will not be included here. + pub fn contents_formatted( + &self, + row_start: u16, + col_start: u16, + row_end: u16, + col_end: u16, + ) -> String { + self.grid() + .contents_formatted(row_start, col_start, row_end, col_end) + } + + /// Returns the `Cell` object at the given location in the terminal, if it + /// exists. + pub fn cell(&self, row: u16, col: u16) -> Option<&crate::cell::Cell> { + self.grid().cell(crate::grid::Pos { row, col }) + } + + /// Returns the current cursor position of the terminal. + /// + /// The return value will be (row, col). + pub fn cursor_position(&self) -> (u16, u16) { + let pos = self.grid().pos(); + (pos.row, pos.col) + } + + /// Returns the currently active foreground color. + /// + /// This is the foreground color which will be used when writing text to a + /// new cell. + pub fn fgcolor(&self) -> crate::attrs::Color { + self.attrs.fgcolor + } + + /// Returns the currently active background color. + /// + /// This is the background color which will be used when writing text to a + /// new cell. + pub fn bgcolor(&self) -> crate::attrs::Color { + self.attrs.bgcolor + } + + /// Returns whether the bold text attribute is active. + /// + /// If true, text written to a new cell will have the bold text attribute. + pub fn bold(&self) -> bool { + self.attrs.bold() + } + + /// Returns whether the italic text attribute is active. + /// + /// If true, text written to a new cell will have the italic text attribute. + pub fn italic(&self) -> bool { + self.attrs.italic() + } + + /// Returns whether the underline text attribute is active. + /// + /// If true, text written to a new cell will have the underline text + /// attribute. + pub fn underline(&self) -> bool { + self.attrs.underline() + } + + /// Returns whether the inverse text attribute is active. + /// + /// If true, text written to a new cell will have the inverse text + /// attribute. + pub fn inverse(&self) -> bool { + self.attrs.inverse() + } + + /// Returns the terminal's window title. + pub fn title(&self) -> &str { + &self.title + } + + /// Returns the terminal's icon name. + pub fn icon_name(&self) -> &str { + &self.icon_name + } + + /// Returns whether an audible bell has occurred since the last time this + /// method was called. + pub fn check_audible_bell(&mut self) -> bool { + self.check_output(Output::AudibleBell) + } + + /// Returns whether an visual bell has occurred since the last time this + /// method was called. + pub fn check_visual_bell(&mut self) -> bool { + self.check_output(Output::VisualBell) + } + + /// Returns whether the terminal should be in application keypad mode. + pub fn application_keypad(&self) -> bool { + self.mode(Mode::ApplicationKeypad) + } + + /// Returns whether the terminal should be in application cursor mode. + pub fn application_cursor(&self) -> bool { + self.mode(Mode::ApplicationCursor) + } + + /// Returns whether the terminal should be in hide cursor mode. + pub fn hide_cursor(&self) -> bool { + self.mode(Mode::HideCursor) + } + + /// Returns whether the terminal should be in alternate screen mode. + pub fn alternate_screen(&self) -> bool { + self.mode(Mode::AlternateScreen) + } + + /// Returns whether the terminal should be in bracketed paste mode. + pub fn bracketed_paste(&self) -> bool { + self.mode(Mode::BracketedPaste) + } + + /// Returns the currently active `MouseProtocolMode` + pub fn mouse_protocol_mode(&self) -> MouseProtocolMode { + self.mouse_protocol_mode + } + + /// Returns the currently active `MouseProtocolEncoding` + pub fn mouse_protocol_encoding(&self) -> MouseProtocolEncoding { + self.mouse_protocol_encoding + } + fn grid(&self) -> &crate::grid::Grid { if self.mode(Mode::AlternateScreen) { &self.alternate_grid @@ -124,10 +290,6 @@ impl State { self.grid().row(pos) } - fn cell(&self, pos: crate::grid::Pos) -> Option<&crate::cell::Cell> { - self.grid().cell(pos) - } - fn cell_mut( &mut self, pos: crate::grid::Pos, @@ -204,7 +366,7 @@ impl State { } } -impl State { +impl Screen { fn text(&mut self, c: char) { let pos = self.grid().pos(); if pos.col > 0 { @@ -614,7 +776,7 @@ impl State { } } -impl vte::Perform for State { +impl vte::Perform for Screen { fn print(&mut self, c: char) { self.text(c) } @@ -765,200 +927,6 @@ impl vte::Perform for State { fn unhook(&mut self) {} } -/// Represents a terminal screen. -pub struct Screen { - parser: vte::Parser, - state: State, -} - -impl Screen { - /// Creates a new terminal screen of the given size. - pub fn new(rows: u16, cols: u16) -> Self { - Self { - parser: vte::Parser::new(), - state: State::new(crate::grid::Size { rows, cols }), - } - } - - /// Processes the contents of the given byte string, and updates the - /// in-memory terminal state. - pub fn process(&mut self, bytes: &[u8]) { - for byte in bytes { - self.parser.advance(&mut self.state, *byte); - } - } - - /// Resizes the terminal. - pub fn set_size(&mut self, rows: u16, cols: u16) { - self.state.grid.set_size(crate::grid::Size { rows, cols }); - self.state - .alternate_grid - .set_size(crate::grid::Size { rows, cols }); - } - - /// Returns the current size of the terminal. - /// - /// The return value will be (rows, cols). - pub fn size(&self) -> (u16, u16) { - let size = self.state.grid().size(); - (size.rows, size.cols) - } - - /// Returns the text contents of the subset of the terminal given by the - /// parameters. - /// - /// This will not include any formatting information, and will be in plain - /// text format. - pub fn contents( - &self, - row_start: u16, - col_start: u16, - row_end: u16, - col_end: u16, - ) -> String { - self.state - .grid() - .contents(row_start, col_start, row_end, col_end) - } - - /// Returns the formatted contents of the subset of the terminal given by - /// the parameters. - /// - /// Formatting information will be included inline as terminal escape - /// codes. The result will be suitable for feeding directly to a raw - /// terminal parser, and will result in the same visual output. Internal - /// terminal modes (such as application keypad mode or alternate screen - /// mode) will not be included here. - pub fn contents_formatted( - &self, - row_start: u16, - col_start: u16, - row_end: u16, - col_end: u16, - ) -> String { - self.state - .grid() - .contents_formatted(row_start, col_start, row_end, col_end) - } - - /// Returns the `Cell` object at the given location in the terminal, if it - /// exists. - pub fn cell(&self, row: u16, col: u16) -> Option<&crate::cell::Cell> { - self.state.cell(crate::grid::Pos { row, col }) - } - - /// Returns the current cursor position of the terminal. - /// - /// The return value will be (row, col). - pub fn cursor_position(&self) -> (u16, u16) { - let pos = self.state.grid().pos(); - (pos.row, pos.col) - } - - /// Returns the currently active foreground color. - /// - /// This is the foreground color which will be used when writing text to a - /// new cell. - pub fn fgcolor(&self) -> crate::attrs::Color { - self.state.attrs.fgcolor - } - - /// Returns the currently active background color. - /// - /// This is the background color which will be used when writing text to a - /// new cell. - pub fn bgcolor(&self) -> crate::attrs::Color { - self.state.attrs.bgcolor - } - - /// Returns whether the bold text attribute is active. - /// - /// If true, text written to a new cell will have the bold text attribute. - pub fn bold(&self) -> bool { - self.state.attrs.bold() - } - - /// Returns whether the italic text attribute is active. - /// - /// If true, text written to a new cell will have the italic text attribute. - pub fn italic(&self) -> bool { - self.state.attrs.italic() - } - - /// Returns whether the underline text attribute is active. - /// - /// If true, text written to a new cell will have the underline text - /// attribute. - pub fn underline(&self) -> bool { - self.state.attrs.underline() - } - - /// Returns whether the inverse text attribute is active. - /// - /// If true, text written to a new cell will have the inverse text - /// attribute. - pub fn inverse(&self) -> bool { - self.state.attrs.inverse() - } - - /// Returns the terminal's window title. - pub fn title(&self) -> &str { - &self.state.title - } - - /// Returns the terminal's icon name. - pub fn icon_name(&self) -> &str { - &self.state.icon_name - } - - /// Returns whether an audible bell has occurred since the last time this - /// method was called. - pub fn check_audible_bell(&mut self) -> bool { - self.state.check_output(Output::AudibleBell) - } - - /// Returns whether an visual bell has occurred since the last time this - /// method was called. - pub fn check_visual_bell(&mut self) -> bool { - self.state.check_output(Output::VisualBell) - } - - /// Returns whether the terminal should be in application keypad mode. - pub fn application_keypad(&self) -> bool { - self.state.mode(Mode::ApplicationKeypad) - } - - /// Returns whether the terminal should be in application cursor mode. - pub fn application_cursor(&self) -> bool { - self.state.mode(Mode::ApplicationCursor) - } - - /// Returns whether the terminal should be in hide cursor mode. - pub fn hide_cursor(&self) -> bool { - self.state.mode(Mode::HideCursor) - } - - /// Returns whether the terminal should be in alternate screen mode. - pub fn alternate_screen(&self) -> bool { - self.state.mode(Mode::AlternateScreen) - } - - /// Returns whether the terminal should be in bracketed paste mode. - pub fn bracketed_paste(&self) -> bool { - self.state.mode(Mode::BracketedPaste) - } - - /// Returns the currently active `MouseProtocolMode` - pub fn mouse_protocol_mode(&self) -> MouseProtocolMode { - self.state.mouse_protocol_mode - } - - /// Returns the currently active `MouseProtocolEncoding` - pub fn mouse_protocol_encoding(&self) -> MouseProtocolEncoding { - self.state.mouse_protocol_encoding - } -} - fn canonicalize_params_1(params: &[i64], default: u16) -> u16 { let first = params.get(0).copied().unwrap_or(0); if first == 0 { |