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https://github.com/alacritty/alacritty.git
synced 2024-11-03 04:34:21 -05:00
Allow faux scroll amount configuration
It is now possible to configure the amount of lines scrolled with faux scrollback.
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parent
aa1f31785e
commit
9797bd72bc
4 changed files with 63 additions and 37 deletions
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@ -197,9 +197,21 @@ background_opacity: 1.0
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mouse_bindings:
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- { mouse: Middle, action: PasteSelection }
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# Mouse settings
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#
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# The `faux_scrollback_lines` setting controls the number
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# of lines the terminal should scroll when the alternate
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# screen buffer is active. This is used to allow mouse
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# scrolling for applications like `man`.
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# To disable this completely, set `faux_scrollback_lines` to 0.
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#
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# The `double_click` and `triple_click` settings control the time
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# alacritty should wait for accepting multiple clicks as one double
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# or triple click.
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mouse:
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double_click: { threshold: 300 }
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triple_click: { threshold: 300 }
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faux_scrollback_lines: 1
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selection:
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semantic_escape_chars: ",│`|:\"' ()[]{}<>"
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@ -178,9 +178,21 @@ background_opacity: 1.0
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mouse_bindings:
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- { mouse: Middle, action: PasteSelection }
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# Mouse settings
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#
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# The `faux_scrollback_lines` setting controls the number
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# of lines the terminal should scroll when the alternate
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# screen buffer is active. This is used to allow mouse
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# scrolling for applications like `man`.
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# To disable this completely, set `faux_scrollback_lines` to 0.
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#
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# The `double_click` and `triple_click` settings control the time
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# alacritty should wait for accepting multiple clicks as one double
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# or triple click.
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mouse:
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double_click: { threshold: 300 }
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triple_click: { threshold: 300 }
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faux_scrollback_lines: 1
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selection:
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semantic_escape_chars: ",│`|:\"' ()[]{}<>"
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@ -66,9 +66,13 @@ pub struct Mouse {
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pub double_click: ClickHandler,
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pub triple_click: ClickHandler,
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/// Send up/down arrow when scrolling in alt screen buffer
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#[serde(default="true_bool")]
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pub faux_scrollback: bool,
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/// up/down arrows sent when scrolling in alt screen buffer
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#[serde(default="default_faux_scrollback_lines")]
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pub faux_scrollback_lines: usize,
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}
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fn default_faux_scrollback_lines() -> usize {
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1
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}
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impl Default for Mouse {
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@ -80,7 +84,7 @@ impl Default for Mouse {
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triple_click: ClickHandler {
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threshold: Duration::from_millis(300),
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},
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faux_scrollback: true,
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faux_scrollback_lines: 1,
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}
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}
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}
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64
src/input.rs
64
src/input.rs
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@ -375,9 +375,8 @@ impl<'a, A: ActionContext + 'a> Processor<'a, A> {
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}
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pub fn on_mouse_wheel(&mut self, delta: MouseScrollDelta, phase: TouchPhase) {
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let modes = mode::TermMode::MOUSE_REPORT_CLICK | mode::TermMode::MOUSE_MOTION | mode::TermMode::SGR_MOUSE |
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mode::TermMode::ALT_SCREEN;
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if !self.ctx.terminal_mode().intersects(modes) {
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let mouse_modes = mode::TermMode::MOUSE_REPORT_CLICK | mode::TermMode::MOUSE_MOTION | mode::TermMode::SGR_MOUSE;
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if !self.ctx.terminal_mode().intersects(mouse_modes | mode::TermMode::ALT_SCREEN) {
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return;
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}
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@ -391,20 +390,7 @@ impl<'a, A: ActionContext + 'a> Processor<'a, A> {
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};
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for _ in 0..(to_scroll.abs() as usize) {
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if self.mouse_config.faux_scrollback &&
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self.ctx.terminal_mode().intersects(mode::TermMode::ALT_SCREEN)
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{
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// Faux scrolling
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if code == 64 {
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// Scroll up one line
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self.ctx.write_to_pty("\x1bOA".as_bytes());
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} else {
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// Scroll down one line
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self.ctx.write_to_pty("\x1bOB".as_bytes());
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}
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} else {
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self.normal_mouse_report(code);
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}
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self.scroll_terminal(mouse_modes, code)
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}
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self.ctx.mouse_mut().lines_scrolled = to_scroll % 1.0;
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@ -420,7 +406,7 @@ impl<'a, A: ActionContext + 'a> Processor<'a, A> {
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let height = self.ctx.size_info().cell_height as i32;
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while self.ctx.mouse_mut().scroll_px.abs() >= height {
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let button = if self.ctx.mouse_mut().scroll_px > 0 {
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let code = if self.ctx.mouse_mut().scroll_px > 0 {
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self.ctx.mouse_mut().scroll_px -= height;
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64
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} else {
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@ -428,20 +414,7 @@ impl<'a, A: ActionContext + 'a> Processor<'a, A> {
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65
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};
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if self.mouse_config.faux_scrollback &&
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self.ctx.terminal_mode().intersects(mode::TermMode::ALT_SCREEN)
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{
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// Faux scrolling
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if button == 64 {
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// Scroll up one line
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self.ctx.write_to_pty("\x1bOA".as_bytes());
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} else {
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// Scroll down one line
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self.ctx.write_to_pty("\x1bOB".as_bytes());
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}
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} else {
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self.normal_mouse_report(button);
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}
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self.scroll_terminal(mouse_modes, code)
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}
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},
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_ => (),
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@ -450,6 +423,30 @@ impl<'a, A: ActionContext + 'a> Processor<'a, A> {
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}
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}
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fn scroll_terminal(&mut self, mouse_modes: TermMode, code: u8) {
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let faux_scrollback_lines = self.mouse_config.faux_scrollback_lines;
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if self.ctx.terminal_mode().intersects(mouse_modes) {
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self.normal_mouse_report(code);
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} else if faux_scrollback_lines > 0 {
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// Faux scrolling
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if code == 64 {
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// Scroll up by `faux_scrollback_lines`
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let mut content = String::with_capacity(faux_scrollback_lines * 3);
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for _ in 0..faux_scrollback_lines {
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content = content + "\x1bOA";
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}
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self.ctx.write_to_pty(content.into_bytes());
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} else {
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// Scroll down by `faux_scrollback_lines`
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let mut content = String::with_capacity(faux_scrollback_lines * 3);
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for _ in 0..faux_scrollback_lines {
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content = content + "\x1bOB";
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}
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self.ctx.write_to_pty(content.into_bytes());
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}
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}
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}
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pub fn on_focus_change(&mut self, is_focused: bool) {
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if self.ctx.terminal_mode().contains(mode::TermMode::FOCUS_IN_OUT) {
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let chr = if is_focused {
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@ -702,7 +699,8 @@ mod tests {
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},
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triple_click: ClickHandler {
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threshold: Duration::from_millis(1000),
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}
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},
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faux_scrollback_lines: 1,
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},
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key_bindings: &config.key_bindings()[..],
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mouse_bindings: &config.mouse_bindings()[..],
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