mirror of https://github.com/sgoudham/neovide.git
formatting fixes
Keith Simmons
3 years ago
parent
f5b65a6770
commit
407a7e24a9
@ -1,240 +1,288 @@
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use glutin::{
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self,
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WindowedContext,
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dpi::{
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LogicalPosition,
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PhysicalPosition,
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},
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event::{
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ElementState,
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Event,
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MouseButton,
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MouseScrollDelta,
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WindowEvent,
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},
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PossiblyCurrent
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};
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use skia_safe::Rect;
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use crate::channel_utils::LoggingTx;
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use crate::bridge::UiCommand;
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use crate::renderer::{Renderer, WindowDrawDetails};
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use crate::settings::SETTINGS;
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use crate::window::WindowSettings;
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fn clamp_position(position: LogicalPosition<f32>, region: Rect, font_width: u64, font_height: u64) -> LogicalPosition<f32> {
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LogicalPosition::new(
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position.x.min(region.right - font_width as f32).max(region.left),
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position.y.min(region.bottom - font_height as f32).max(region.top))
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}
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fn to_grid_coords(position: LogicalPosition<f32>, font_width: u64, font_height: u64) -> LogicalPosition<u32> {
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LogicalPosition::new(
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(position.x as u64 / font_width) as u32,
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(position.y as u64 / font_height) as u32)
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}
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pub struct MouseManager {
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command_sender: LoggingTx<UiCommand>,
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dragging: bool,
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has_moved: bool,
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position: LogicalPosition<u32>,
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relative_position: LogicalPosition<u32>,
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drag_position: LogicalPosition<u32>,
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window_details_under_mouse: Option<WindowDrawDetails>,
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pub enabled: bool,
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}
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impl MouseManager {
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pub fn new(command_sender: LoggingTx<UiCommand>) -> MouseManager {
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MouseManager {
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command_sender,
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dragging: false,
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has_moved: false,
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position: LogicalPosition::new(0, 0),
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relative_position: LogicalPosition::new(0, 0),
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drag_position: LogicalPosition::new(0, 0),
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window_details_under_mouse: None,
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enabled: true,
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}
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}
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fn handle_pointer_motion(&mut self, x: i32, y: i32, renderer: &Renderer, windowed_context: &WindowedContext<PossiblyCurrent>) {
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let size = windowed_context.window().inner_size();
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if x < 0 || x as u32 >= size.width || y < 0 || y as u32 >= size.height {
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return;
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}
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let logical_position: LogicalPosition<f32> = PhysicalPosition::new(x as u32, y as u32)
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.to_logical(windowed_context.window().scale_factor());
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// If dragging, the relevant window (the one which we send all commands to) is the one
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// which the mouse drag started on. Otherwise its the top rendered window
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let relevant_window_details = if self.dragging {
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renderer.window_regions.iter()
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.find(|details| details.id == self.window_details_under_mouse.as_ref().expect("If dragging, there should be a window details recorded").id)
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} else {
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// the rendered window regions are sorted by draw order, so the earlier windows in the
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// list are drawn under the later ones
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renderer.window_regions.iter().filter(|details| {
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logical_position.x >= details.region.left &&
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logical_position.x < details.region.right &&
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logical_position.y >= details.region.top &&
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logical_position.y < details.region.bottom
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}).last()
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};
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let global_bounds = relevant_window_details.map(|details| details.region).unwrap_or(Rect::from_wh(size.width as f32, size.height as f32));
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let clamped_position = clamp_position(logical_position, global_bounds, renderer.font_width, renderer.font_height);
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self.position = to_grid_coords(clamped_position, renderer.font_width, renderer.font_height);
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if let Some(relevant_window_details) = relevant_window_details {
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let relative_position = LogicalPosition::new(
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clamped_position.x - relevant_window_details.region.left,
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clamped_position.y - relevant_window_details.region.top);
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self.relative_position = to_grid_coords(relative_position, renderer.font_width, renderer.font_height);
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let previous_position = self.drag_position;
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// Until https://github.com/neovim/neovim/pull/12667 is merged, we have to special
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// case non floating windows. Floating windows correctly transform mouse positions
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// into grid coordinates, but non floating windows do not.
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self.drag_position = if relevant_window_details.floating_order.is_some() {
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// Floating windows handle relative grid coordinates just fine
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self.relative_position.clone()
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} else {
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// Non floating windows need global coordinates
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self.position.clone()
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};
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let has_moved = self.drag_position != previous_position;
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// If dragging and we haven't already sent a position, send a drag command
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if self.dragging && has_moved {
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self.command_sender
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.send(UiCommand::Drag {
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grid_id: relevant_window_details.id,
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position: self.drag_position.into(),
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})
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.ok();
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} else {
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// otherwise, update the window_id_under_mouse to match the one selected
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self.window_details_under_mouse = Some(relevant_window_details.clone());
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}
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self.has_moved = self.dragging && (self.has_moved || has_moved);
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}
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}
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fn handle_pointer_transition(&mut self, down: bool) {
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// For some reason pointer down is handled differently from pointer up and drag.
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// Floating windows: relative coordinates are great.
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// Non floating windows: rather than global coordinates, relative are needed
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if self.enabled {
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if let Some(details) = &self.window_details_under_mouse {
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let action = if down {
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"press".to_owned()
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} else {
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"release".to_owned()
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};
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let position = if !down && self.has_moved {
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self.drag_position
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} else {
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self.relative_position
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};
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self.command_sender
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.send(UiCommand::MouseButton {
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action,
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grid_id: details.id,
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position: position.into(),
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})
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.ok();
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}
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}
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self.dragging = down;
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if !self.dragging {
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self.has_moved = false;
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}
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}
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fn handle_mouse_wheel(&mut self, x: f32, y: f32) {
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if !self.enabled {
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return;
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}
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let scroll_dead_zone = SETTINGS.get::<WindowSettings>().scroll_dead_zone;
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let vertical_input_type = match y {
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_ if y > scroll_dead_zone => Some("up"),
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_ if y < -scroll_dead_zone => Some("down"),
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_ => None,
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};
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if let Some(input_type) = vertical_input_type {
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self.command_sender
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.send(UiCommand::Scroll {
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direction: input_type.to_string(),
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grid_id: self.window_details_under_mouse.as_ref().map(|details| details.id).unwrap_or(0),
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position: self.drag_position.into(),
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})
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.ok();
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}
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let horizontal_input_type = match x {
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_ if x > scroll_dead_zone => Some("right"),
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_ if x < -scroll_dead_zone => Some("left"),
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_ => None,
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};
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if let Some(input_type) = horizontal_input_type {
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self.command_sender
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.send(UiCommand::Scroll {
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direction: input_type.to_string(),
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grid_id: self.window_details_under_mouse.as_ref().map(|details| details.id).unwrap_or(0),
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position: self.drag_position.into(),
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})
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.ok();
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}
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}
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pub fn handle_event(&mut self, event: &Event<()>, renderer: &Renderer, windowed_context: &WindowedContext<PossiblyCurrent>) {
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match event {
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Event::WindowEvent {
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event: WindowEvent::CursorMoved { position, .. },
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..
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} => self.handle_pointer_motion(
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position.x as i32, position.y as i32,
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renderer, windowed_context),
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Event::WindowEvent {
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event:
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WindowEvent::MouseWheel {
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delta: MouseScrollDelta::LineDelta(x, y),
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..
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},
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..
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} => self.handle_mouse_wheel(*x as f32, *y as f32),
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Event::WindowEvent {
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event:
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WindowEvent::MouseWheel {
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delta: MouseScrollDelta::PixelDelta(logical_position),
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..
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},
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..
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} => self.handle_mouse_wheel(logical_position.x as f32, logical_position.y as f32),
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Event::WindowEvent {
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event:
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WindowEvent::MouseInput {
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button: MouseButton::Left,
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state,
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..
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},
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..
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} => self.handle_pointer_transition(state == &ElementState::Pressed),
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_ => {}
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}
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}
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}
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use glutin::{
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self,
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dpi::{LogicalPosition, PhysicalPosition},
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event::{ElementState, Event, MouseButton, MouseScrollDelta, WindowEvent},
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PossiblyCurrent, WindowedContext,
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};
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use skia_safe::Rect;
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use crate::bridge::UiCommand;
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use crate::channel_utils::LoggingTx;
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use crate::renderer::{Renderer, WindowDrawDetails};
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use crate::settings::SETTINGS;
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use crate::window::WindowSettings;
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fn clamp_position(
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position: LogicalPosition<f32>,
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region: Rect,
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font_width: u64,
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font_height: u64,
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) -> LogicalPosition<f32> {
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LogicalPosition::new(
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position
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.x
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.min(region.right - font_width as f32)
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.max(region.left),
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position
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.y
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.min(region.bottom - font_height as f32)
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.max(region.top),
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)
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}
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fn to_grid_coords(
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position: LogicalPosition<f32>,
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font_width: u64,
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font_height: u64,
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) -> LogicalPosition<u32> {
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LogicalPosition::new(
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(position.x as u64 / font_width) as u32,
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(position.y as u64 / font_height) as u32,
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)
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}
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pub struct MouseManager {
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command_sender: LoggingTx<UiCommand>,
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dragging: bool,
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has_moved: bool,
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position: LogicalPosition<u32>,
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relative_position: LogicalPosition<u32>,
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drag_position: LogicalPosition<u32>,
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window_details_under_mouse: Option<WindowDrawDetails>,
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pub enabled: bool,
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}
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impl MouseManager {
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pub fn new(command_sender: LoggingTx<UiCommand>) -> MouseManager {
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MouseManager {
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command_sender,
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dragging: false,
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has_moved: false,
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position: LogicalPosition::new(0, 0),
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relative_position: LogicalPosition::new(0, 0),
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drag_position: LogicalPosition::new(0, 0),
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window_details_under_mouse: None,
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enabled: true,
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}
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}
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fn handle_pointer_motion(
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&mut self,
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x: i32,
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y: i32,
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renderer: &Renderer,
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windowed_context: &WindowedContext<PossiblyCurrent>,
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) {
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let size = windowed_context.window().inner_size();
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if x < 0 || x as u32 >= size.width || y < 0 || y as u32 >= size.height {
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return;
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}
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let logical_position: LogicalPosition<f32> = PhysicalPosition::new(x as u32, y as u32)
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.to_logical(windowed_context.window().scale_factor());
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// If dragging, the relevant window (the one which we send all commands to) is the one
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// which the mouse drag started on. Otherwise its the top rendered window
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let relevant_window_details = if self.dragging {
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renderer.window_regions.iter().find(|details| {
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details.id
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== self
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.window_details_under_mouse
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.as_ref()
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.expect("If dragging, there should be a window details recorded")
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.id
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})
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} else {
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// the rendered window regions are sorted by draw order, so the earlier windows in the
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// list are drawn under the later ones
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renderer
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.window_regions
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.iter()
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.filter(|details| {
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logical_position.x >= details.region.left
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&& logical_position.x < details.region.right
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&& logical_position.y >= details.region.top
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&& logical_position.y < details.region.bottom
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})
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.last()
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};
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let global_bounds = relevant_window_details
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.map(|details| details.region)
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.unwrap_or(Rect::from_wh(size.width as f32, size.height as f32));
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let clamped_position = clamp_position(
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logical_position,
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global_bounds,
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renderer.font_width,
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renderer.font_height,
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);
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self.position = to_grid_coords(clamped_position, renderer.font_width, renderer.font_height);
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if let Some(relevant_window_details) = relevant_window_details {
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let relative_position = LogicalPosition::new(
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clamped_position.x - relevant_window_details.region.left,
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clamped_position.y - relevant_window_details.region.top,
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);
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self.relative_position =
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to_grid_coords(relative_position, renderer.font_width, renderer.font_height);
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let previous_position = self.drag_position;
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// Until https://github.com/neovim/neovim/pull/12667 is merged, we have to special
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// case non floating windows. Floating windows correctly transform mouse positions
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// into grid coordinates, but non floating windows do not.
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self.drag_position = if relevant_window_details.floating_order.is_some() {
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// Floating windows handle relative grid coordinates just fine
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self.relative_position.clone()
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} else {
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// Non floating windows need global coordinates
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self.position.clone()
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};
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let has_moved = self.drag_position != previous_position;
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// If dragging and we haven't already sent a position, send a drag command
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if self.dragging && has_moved {
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self.command_sender
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.send(UiCommand::Drag {
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grid_id: relevant_window_details.id,
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position: self.drag_position.into(),
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})
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.ok();
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} else {
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// otherwise, update the window_id_under_mouse to match the one selected
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self.window_details_under_mouse = Some(relevant_window_details.clone());
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}
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self.has_moved = self.dragging && (self.has_moved || has_moved);
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}
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}
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fn handle_pointer_transition(&mut self, down: bool) {
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// For some reason pointer down is handled differently from pointer up and drag.
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// Floating windows: relative coordinates are great.
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// Non floating windows: rather than global coordinates, relative are needed
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if self.enabled {
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if let Some(details) = &self.window_details_under_mouse {
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let action = if down {
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"press".to_owned()
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} else {
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"release".to_owned()
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};
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let position = if !down && self.has_moved {
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self.drag_position
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} else {
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self.relative_position
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};
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self.command_sender
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.send(UiCommand::MouseButton {
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action,
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grid_id: details.id,
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position: position.into(),
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})
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.ok();
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}
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}
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self.dragging = down;
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if !self.dragging {
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self.has_moved = false;
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}
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}
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fn handle_mouse_wheel(&mut self, x: f32, y: f32) {
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if !self.enabled {
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return;
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}
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let scroll_dead_zone = SETTINGS.get::<WindowSettings>().scroll_dead_zone;
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let vertical_input_type = match y {
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_ if y > scroll_dead_zone => Some("up"),
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_ if y < -scroll_dead_zone => Some("down"),
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_ => None,
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};
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if let Some(input_type) = vertical_input_type {
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self.command_sender
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.send(UiCommand::Scroll {
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direction: input_type.to_string(),
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grid_id: self
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.window_details_under_mouse
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.as_ref()
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.map(|details| details.id)
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.unwrap_or(0),
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position: self.drag_position.into(),
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})
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.ok();
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}
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let horizontal_input_type = match x {
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_ if x > scroll_dead_zone => Some("right"),
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_ if x < -scroll_dead_zone => Some("left"),
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_ => None,
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};
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if let Some(input_type) = horizontal_input_type {
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self.command_sender
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.send(UiCommand::Scroll {
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direction: input_type.to_string(),
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grid_id: self
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.window_details_under_mouse
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.as_ref()
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.map(|details| details.id)
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.unwrap_or(0),
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position: self.drag_position.into(),
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})
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.ok();
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}
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}
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pub fn handle_event(
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&mut self,
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event: &Event<()>,
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renderer: &Renderer,
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windowed_context: &WindowedContext<PossiblyCurrent>,
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) {
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match event {
|
||||
Event::WindowEvent {
|
||||
event: WindowEvent::CursorMoved { position, .. },
|
||||
..
|
||||
} => self.handle_pointer_motion(
|
||||
position.x as i32,
|
||||
position.y as i32,
|
||||
renderer,
|
||||
windowed_context,
|
||||
),
|
||||
Event::WindowEvent {
|
||||
event:
|
||||
WindowEvent::MouseWheel {
|
||||
delta: MouseScrollDelta::LineDelta(x, y),
|
||||
..
|
||||
},
|
||||
..
|
||||
} => self.handle_mouse_wheel(*x as f32, *y as f32),
|
||||
Event::WindowEvent {
|
||||
event:
|
||||
WindowEvent::MouseWheel {
|
||||
delta: MouseScrollDelta::PixelDelta(logical_position),
|
||||
..
|
||||
},
|
||||
..
|
||||
} => self.handle_mouse_wheel(logical_position.x as f32, logical_position.y as f32),
|
||||
Event::WindowEvent {
|
||||
event:
|
||||
WindowEvent::MouseInput {
|
||||
button: MouseButton::Left,
|
||||
state,
|
||||
..
|
||||
},
|
||||
..
|
||||
} => self.handle_pointer_transition(state == &ElementState::Pressed),
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue