mirror of
https://github.com/zed-industries/zed.git
synced 2025-02-06 18:46:49 +00:00
1062 lines
38 KiB
Rust
1062 lines
38 KiB
Rust
use crate::{AppState, FollowerState, Pane, Workspace};
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use anyhow::{anyhow, bail, Result};
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use call2::ActiveCall;
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use collections::HashMap;
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use db2::sqlez::{
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bindable::{Bind, Column, StaticColumnCount},
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statement::Statement,
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};
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use gpui::{point, size, AnyElement, AnyWeakView, Bounds, Model, Pixels, Point, View, ViewContext};
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use parking_lot::Mutex;
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use project2::Project;
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use serde::Deserialize;
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use std::sync::Arc;
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use ui::prelude::*;
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const HANDLE_HITBOX_SIZE: f32 = 4.0;
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const HORIZONTAL_MIN_SIZE: f32 = 80.;
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const VERTICAL_MIN_SIZE: f32 = 100.;
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#[derive(Copy, Clone, PartialEq, Eq, Debug)]
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pub enum Axis {
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Vertical,
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Horizontal,
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}
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impl StaticColumnCount for Axis {}
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impl Bind for Axis {
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fn bind(&self, statement: &Statement, start_index: i32) -> anyhow::Result<i32> {
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match self {
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Axis::Horizontal => "Horizontal",
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Axis::Vertical => "Vertical",
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}
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.bind(statement, start_index)
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}
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}
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impl Column for Axis {
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fn column(statement: &mut Statement, start_index: i32) -> anyhow::Result<(Self, i32)> {
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String::column(statement, start_index).and_then(|(axis_text, next_index)| {
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Ok((
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match axis_text.as_str() {
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"Horizontal" => Axis::Horizontal,
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"Vertical" => Axis::Vertical,
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_ => bail!("Stored serialized item kind is incorrect"),
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},
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next_index,
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))
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})
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}
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}
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#[derive(Clone, PartialEq)]
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pub struct PaneGroup {
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pub(crate) root: Member,
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}
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impl PaneGroup {
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pub(crate) fn with_root(root: Member) -> Self {
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Self { root }
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}
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pub fn new(pane: View<Pane>) -> Self {
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Self {
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root: Member::Pane(pane),
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}
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}
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pub fn split(
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&mut self,
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old_pane: &View<Pane>,
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new_pane: &View<Pane>,
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direction: SplitDirection,
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) -> Result<()> {
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match &mut self.root {
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Member::Pane(pane) => {
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if pane == old_pane {
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self.root = Member::new_axis(old_pane.clone(), new_pane.clone(), direction);
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Ok(())
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} else {
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Err(anyhow!("Pane not found"))
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}
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}
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Member::Axis(axis) => axis.split(old_pane, new_pane, direction),
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}
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}
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pub fn bounding_box_for_pane(&self, pane: &View<Pane>) -> Option<Bounds<Pixels>> {
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match &self.root {
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Member::Pane(_) => None,
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Member::Axis(axis) => axis.bounding_box_for_pane(pane),
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}
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}
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pub fn pane_at_pixel_position(&self, coordinate: Point<Pixels>) -> Option<&View<Pane>> {
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match &self.root {
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Member::Pane(pane) => Some(pane),
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Member::Axis(axis) => axis.pane_at_pixel_position(coordinate),
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}
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}
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/// Returns:
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/// - Ok(true) if it found and removed a pane
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/// - Ok(false) if it found but did not remove the pane
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/// - Err(_) if it did not find the pane
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pub fn remove(&mut self, pane: &View<Pane>) -> Result<bool> {
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match &mut self.root {
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Member::Pane(_) => Ok(false),
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Member::Axis(axis) => {
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if let Some(last_pane) = axis.remove(pane)? {
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self.root = last_pane;
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}
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Ok(true)
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}
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}
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}
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pub fn swap(&mut self, from: &View<Pane>, to: &View<Pane>) {
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match &mut self.root {
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Member::Pane(_) => {}
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Member::Axis(axis) => axis.swap(from, to),
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};
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}
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pub(crate) fn render(
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&self,
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project: &Model<Project>,
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follower_states: &HashMap<View<Pane>, FollowerState>,
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active_call: Option<&Model<ActiveCall>>,
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active_pane: &View<Pane>,
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zoomed: Option<&AnyWeakView>,
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app_state: &Arc<AppState>,
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cx: &mut ViewContext<Workspace>,
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) -> impl Component<Workspace> {
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self.root.render(
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project,
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0,
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follower_states,
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active_call,
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active_pane,
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zoomed,
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app_state,
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cx,
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)
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}
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pub(crate) fn panes(&self) -> Vec<&View<Pane>> {
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let mut panes = Vec::new();
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self.root.collect_panes(&mut panes);
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panes
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}
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}
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#[derive(Clone, PartialEq)]
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pub(crate) enum Member {
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Axis(PaneAxis),
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Pane(View<Pane>),
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}
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impl Member {
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fn new_axis(old_pane: View<Pane>, new_pane: View<Pane>, direction: SplitDirection) -> Self {
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use Axis::*;
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use SplitDirection::*;
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let axis = match direction {
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Up | Down => Vertical,
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Left | Right => Horizontal,
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};
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let members = match direction {
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Up | Left => vec![Member::Pane(new_pane), Member::Pane(old_pane)],
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Down | Right => vec![Member::Pane(old_pane), Member::Pane(new_pane)],
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};
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Member::Axis(PaneAxis::new(axis, members))
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}
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fn contains(&self, needle: &View<Pane>) -> bool {
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match self {
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Member::Axis(axis) => axis.members.iter().any(|member| member.contains(needle)),
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Member::Pane(pane) => pane == needle,
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}
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}
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pub fn render(
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&self,
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project: &Model<Project>,
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basis: usize,
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follower_states: &HashMap<View<Pane>, FollowerState>,
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active_call: Option<&Model<ActiveCall>>,
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active_pane: &View<Pane>,
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zoomed: Option<&AnyWeakView>,
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app_state: &Arc<AppState>,
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cx: &mut ViewContext<Workspace>,
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) -> impl Component<Workspace> {
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match self {
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Member::Pane(pane) => {
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// todo!()
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// let pane_element = if Some(pane.into()) == zoomed {
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// None
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// } else {
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// Some(pane)
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// };
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div().size_full().child(pane.clone()).render()
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// Stack::new()
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// .with_child(pane_element.contained().with_border(leader_border))
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// .with_children(leader_status_box)
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// .into_any()
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// let el = div()
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// .flex()
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// .flex_1()
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// .gap_px()
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// .w_full()
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// .h_full()
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// .bg(cx.theme().colors().editor)
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// .children();
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}
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Member::Axis(axis) => axis.render(
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project,
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basis + 1,
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follower_states,
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active_call,
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active_pane,
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zoomed,
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app_state,
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cx,
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),
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}
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// enum FollowIntoExternalProject {}
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// match self {
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// Member::Pane(pane) => {
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// let pane_element = if Some(&**pane) == zoomed {
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// Empty::new().into_any()
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// } else {
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// ChildView::new(pane, cx).into_any()
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// };
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// let leader = follower_states.get(pane).and_then(|state| {
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// let room = active_call?.read(cx).room()?.read(cx);
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// room.remote_participant_for_peer_id(state.leader_id)
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// });
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// let mut leader_border = Border::default();
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// let mut leader_status_box = None;
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// if let Some(leader) = &leader {
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// let leader_color = theme
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// .editor
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// .selection_style_for_room_participant(leader.participant_index.0)
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// .cursor;
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// leader_border = Border::all(theme.workspace.leader_border_width, leader_color);
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// leader_border
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// .color
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// .fade_out(1. - theme.workspace.leader_border_opacity);
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// leader_border.overlay = true;
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// leader_status_box = match leader.location {
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// ParticipantLocation::SharedProject {
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// project_id: leader_project_id,
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// } => {
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// if Some(leader_project_id) == project.read(cx).remote_id() {
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// None
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// } else {
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// let leader_user = leader.user.clone();
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// let leader_user_id = leader.user.id;
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// Some(
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// MouseEventHandler::new::<FollowIntoExternalProject, _>(
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// pane.id(),
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// cx,
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// |_, _| {
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// Label::new(
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// format!(
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// "Follow {} to their active project",
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// leader_user.github_login,
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// ),
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// theme
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// .workspace
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// .external_location_message
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// .text
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// .clone(),
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// )
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// .contained()
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// .with_style(
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// theme.workspace.external_location_message.container,
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// )
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// },
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// )
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// .with_cursor_style(CursorStyle::PointingHand)
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// .on_click(MouseButton::Left, move |_, this, cx| {
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// crate::join_remote_project(
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// leader_project_id,
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// leader_user_id,
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// this.app_state().clone(),
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// cx,
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// )
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// .detach_and_log_err(cx);
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// })
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// .aligned()
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// .bottom()
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// .right()
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// .into_any(),
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// )
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// }
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// }
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// ParticipantLocation::UnsharedProject => Some(
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// Label::new(
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// format!(
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// "{} is viewing an unshared Zed project",
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// leader.user.github_login
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// ),
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// theme.workspace.external_location_message.text.clone(),
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// )
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// .contained()
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// .with_style(theme.workspace.external_location_message.container)
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// .aligned()
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// .bottom()
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// .right()
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// .into_any(),
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// ),
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// ParticipantLocation::External => Some(
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// Label::new(
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// format!(
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// "{} is viewing a window outside of Zed",
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// leader.user.github_login
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// ),
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// theme.workspace.external_location_message.text.clone(),
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// )
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// .contained()
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// .with_style(theme.workspace.external_location_message.container)
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// .aligned()
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// .bottom()
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// .right()
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// .into_any(),
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// ),
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// };
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// }
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// Stack::new()
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// .with_child(pane_element.contained().with_border(leader_border))
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// .with_children(leader_status_box)
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// .into_any()
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// }
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// Member::Axis(axis) => axis.render(
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// project,
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// basis + 1,
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// theme,
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// follower_states,
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// active_call,
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// active_pane,
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// zoomed,
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// app_state,
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// cx,
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// ),
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// }
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}
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fn collect_panes<'a>(&'a self, panes: &mut Vec<&'a View<Pane>>) {
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match self {
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Member::Axis(axis) => {
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for member in &axis.members {
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member.collect_panes(panes);
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}
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}
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Member::Pane(pane) => panes.push(pane),
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}
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}
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}
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#[derive(Clone)]
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pub(crate) struct PaneAxis {
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pub axis: Axis,
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pub members: Vec<Member>,
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pub flexes: Arc<Mutex<Vec<f32>>>,
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pub bounding_boxes: Arc<Mutex<Vec<Option<Bounds<Pixels>>>>>,
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}
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impl PartialEq for PaneAxis {
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fn eq(&self, other: &Self) -> bool {
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todo!()
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}
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}
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impl PaneAxis {
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pub fn new(axis: Axis, members: Vec<Member>) -> Self {
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let flexes = Arc::new(Mutex::new(vec![1.; members.len()]));
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let bounding_boxes = Arc::new(Mutex::new(vec![None; members.len()]));
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Self {
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axis,
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members,
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flexes,
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bounding_boxes,
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}
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}
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pub fn load(axis: Axis, members: Vec<Member>, flexes: Option<Vec<f32>>) -> Self {
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let flexes = flexes.unwrap_or_else(|| vec![1.; members.len()]);
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debug_assert!(members.len() == flexes.len());
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let flexes = Arc::new(Mutex::new(flexes));
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let bounding_boxes = Arc::new(Mutex::new(vec![None; members.len()]));
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Self {
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axis,
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members,
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flexes,
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bounding_boxes,
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}
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}
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fn split(
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&mut self,
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old_pane: &View<Pane>,
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new_pane: &View<Pane>,
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direction: SplitDirection,
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) -> Result<()> {
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for (mut idx, member) in self.members.iter_mut().enumerate() {
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match member {
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Member::Axis(axis) => {
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if axis.split(old_pane, new_pane, direction).is_ok() {
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return Ok(());
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}
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}
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Member::Pane(pane) => {
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if pane == old_pane {
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if direction.axis() == self.axis {
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if direction.increasing() {
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idx += 1;
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}
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self.members.insert(idx, Member::Pane(new_pane.clone()));
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*self.flexes.lock() = vec![1.; self.members.len()];
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} else {
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*member =
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Member::new_axis(old_pane.clone(), new_pane.clone(), direction);
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}
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return Ok(());
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}
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}
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}
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}
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Err(anyhow!("Pane not found"))
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}
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fn remove(&mut self, pane_to_remove: &View<Pane>) -> Result<Option<Member>> {
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let mut found_pane = false;
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let mut remove_member = None;
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for (idx, member) in self.members.iter_mut().enumerate() {
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match member {
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Member::Axis(axis) => {
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if let Ok(last_pane) = axis.remove(pane_to_remove) {
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if let Some(last_pane) = last_pane {
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*member = last_pane;
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}
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found_pane = true;
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break;
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}
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}
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Member::Pane(pane) => {
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if pane == pane_to_remove {
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found_pane = true;
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remove_member = Some(idx);
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break;
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}
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}
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}
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}
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|
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if found_pane {
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if let Some(idx) = remove_member {
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self.members.remove(idx);
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*self.flexes.lock() = vec![1.; self.members.len()];
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}
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|
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if self.members.len() == 1 {
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let result = self.members.pop();
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*self.flexes.lock() = vec![1.; self.members.len()];
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Ok(result)
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} else {
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Ok(None)
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}
|
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} else {
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Err(anyhow!("Pane not found"))
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}
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}
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|
|
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fn swap(&mut self, from: &View<Pane>, to: &View<Pane>) {
|
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for member in self.members.iter_mut() {
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match member {
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Member::Axis(axis) => axis.swap(from, to),
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Member::Pane(pane) => {
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if pane == from {
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*member = Member::Pane(to.clone());
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} else if pane == to {
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*member = Member::Pane(from.clone())
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}
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}
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}
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}
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}
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|
|
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fn bounding_box_for_pane(&self, pane: &View<Pane>) -> Option<Bounds<Pixels>> {
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debug_assert!(self.members.len() == self.bounding_boxes.lock().len());
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|
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for (idx, member) in self.members.iter().enumerate() {
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match member {
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Member::Pane(found) => {
|
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if pane == found {
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return self.bounding_boxes.lock()[idx];
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}
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}
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Member::Axis(axis) => {
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if let Some(rect) = axis.bounding_box_for_pane(pane) {
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return Some(rect);
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}
|
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}
|
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}
|
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}
|
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None
|
|
}
|
|
|
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fn pane_at_pixel_position(&self, coordinate: Point<Pixels>) -> Option<&View<Pane>> {
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debug_assert!(self.members.len() == self.bounding_boxes.lock().len());
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let bounding_boxes = self.bounding_boxes.lock();
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|
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for (idx, member) in self.members.iter().enumerate() {
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if let Some(coordinates) = bounding_boxes[idx] {
|
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if coordinates.contains_point(&coordinate) {
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return match member {
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Member::Pane(found) => Some(found),
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Member::Axis(axis) => axis.pane_at_pixel_position(coordinate),
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};
|
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}
|
|
}
|
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}
|
|
None
|
|
}
|
|
|
|
fn render(
|
|
&self,
|
|
project: &Model<Project>,
|
|
basis: usize,
|
|
follower_states: &HashMap<View<Pane>, FollowerState>,
|
|
active_call: Option<&Model<ActiveCall>>,
|
|
active_pane: &View<Pane>,
|
|
zoomed: Option<&AnyWeakView>,
|
|
app_state: &Arc<AppState>,
|
|
cx: &mut ViewContext<Workspace>,
|
|
) -> AnyElement<Workspace> {
|
|
debug_assert!(self.members.len() == self.flexes.lock().len());
|
|
|
|
todo!()
|
|
// let mut pane_axis = PaneAxisElement::new(
|
|
// self.axis,
|
|
// basis,
|
|
// self.flexes.clone(),
|
|
// self.bounding_boxes.clone(),
|
|
// );
|
|
// let mut active_pane_ix = None;
|
|
|
|
// let mut members = self.members.iter().enumerate().peekable();
|
|
// while let Some((ix, member)) = members.next() {
|
|
// let last = members.peek().is_none();
|
|
|
|
// if member.contains(active_pane) {
|
|
// active_pane_ix = Some(ix);
|
|
// }
|
|
|
|
// let mut member = member.render(
|
|
// project,
|
|
// (basis + ix) * 10,
|
|
// theme,
|
|
// follower_states,
|
|
// active_call,
|
|
// active_pane,
|
|
// zoomed,
|
|
// app_state,
|
|
// cx,
|
|
// );
|
|
|
|
// if !last {
|
|
// let mut border = theme.workspace.pane_divider;
|
|
// border.left = false;
|
|
// border.right = false;
|
|
// border.top = false;
|
|
// border.bottom = false;
|
|
|
|
// match self.axis {
|
|
// Axis::Vertical => border.bottom = true,
|
|
// Axis::Horizontal => border.right = true,
|
|
// }
|
|
|
|
// member = member.contained().with_border(border).into_any();
|
|
// }
|
|
|
|
// pane_axis = pane_axis.with_child(member.into_any());
|
|
// }
|
|
// pane_axis.set_active_pane(active_pane_ix);
|
|
// pane_axis.into_any()
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, Copy, Debug, Deserialize, PartialEq)]
|
|
pub enum SplitDirection {
|
|
Up,
|
|
Down,
|
|
Left,
|
|
Right,
|
|
}
|
|
|
|
impl SplitDirection {
|
|
pub fn all() -> [Self; 4] {
|
|
[Self::Up, Self::Down, Self::Left, Self::Right]
|
|
}
|
|
|
|
pub fn edge(&self, rect: Bounds<Pixels>) -> Pixels {
|
|
match self {
|
|
Self::Up => rect.origin.y,
|
|
Self::Down => rect.lower_left().y,
|
|
Self::Left => rect.lower_left().x,
|
|
Self::Right => rect.lower_right().x,
|
|
}
|
|
}
|
|
|
|
pub fn along_edge(&self, bounds: Bounds<Pixels>, length: Pixels) -> Bounds<Pixels> {
|
|
match self {
|
|
Self::Up => Bounds {
|
|
origin: bounds.origin,
|
|
size: size(bounds.size.width, length),
|
|
},
|
|
Self::Down => Bounds {
|
|
origin: point(bounds.lower_left().x, bounds.lower_left().y - length),
|
|
size: size(bounds.size.width, length),
|
|
},
|
|
Self::Left => Bounds {
|
|
origin: bounds.origin,
|
|
size: size(length, bounds.size.height),
|
|
},
|
|
Self::Right => Bounds {
|
|
origin: point(bounds.lower_right().x - length, bounds.lower_left().y),
|
|
size: size(length, bounds.size.height),
|
|
},
|
|
}
|
|
}
|
|
|
|
pub fn axis(&self) -> Axis {
|
|
match self {
|
|
Self::Up | Self::Down => Axis::Vertical,
|
|
Self::Left | Self::Right => Axis::Horizontal,
|
|
}
|
|
}
|
|
|
|
pub fn increasing(&self) -> bool {
|
|
match self {
|
|
Self::Left | Self::Up => false,
|
|
Self::Down | Self::Right => true,
|
|
}
|
|
}
|
|
}
|
|
|
|
// mod element {
|
|
// // use std::{cell::RefCell, iter::from_fn, ops::Range, rc::Rc};
|
|
|
|
// // use gpui::{
|
|
// // geometry::{
|
|
// // rect::Bounds<Pixels>,
|
|
// // vector::{vec2f, Vector2F},
|
|
// // },
|
|
// // json::{self, ToJson},
|
|
// // platform::{CursorStyle, MouseButton},
|
|
// // scene::MouseDrag,
|
|
// // AnyElement, Axis, CursorRegion, Element, EventContext, MouseRegion, Bounds<Pixels>Ext,
|
|
// // SizeConstraint, Vector2FExt, ViewContext,
|
|
// // };
|
|
|
|
// use crate::{
|
|
// pane_group::{HANDLE_HITBOX_SIZE, HORIZONTAL_MIN_SIZE, VERTICAL_MIN_SIZE},
|
|
// Workspace, WorkspaceSettings,
|
|
// };
|
|
|
|
// pub struct PaneAxisElement {
|
|
// axis: Axis,
|
|
// basis: usize,
|
|
// active_pane_ix: Option<usize>,
|
|
// flexes: Rc<RefCell<Vec<f32>>>,
|
|
// children: Vec<AnyElement<Workspace>>,
|
|
// bounding_boxes: Rc<RefCell<Vec<Option<Bounds<Pixels>>>>>,
|
|
// }
|
|
|
|
// impl PaneAxisElement {
|
|
// pub fn new(
|
|
// axis: Axis,
|
|
// basis: usize,
|
|
// flexes: Rc<RefCell<Vec<f32>>>,
|
|
// bounding_boxes: Rc<RefCell<Vec<Option<Bounds<Pixels>>>>>,
|
|
// ) -> Self {
|
|
// Self {
|
|
// axis,
|
|
// basis,
|
|
// flexes,
|
|
// bounding_boxes,
|
|
// active_pane_ix: None,
|
|
// children: Default::default(),
|
|
// }
|
|
// }
|
|
|
|
// pub fn set_active_pane(&mut self, active_pane_ix: Option<usize>) {
|
|
// self.active_pane_ix = active_pane_ix;
|
|
// }
|
|
|
|
// fn layout_children(
|
|
// &mut self,
|
|
// active_pane_magnification: f32,
|
|
// constraint: SizeConstraint,
|
|
// remaining_space: &mut f32,
|
|
// remaining_flex: &mut f32,
|
|
// cross_axis_max: &mut f32,
|
|
// view: &mut Workspace,
|
|
// cx: &mut ViewContext<Workspace>,
|
|
// ) {
|
|
// let flexes = self.flexes.borrow();
|
|
// let cross_axis = self.axis.invert();
|
|
// for (ix, child) in self.children.iter_mut().enumerate() {
|
|
// let flex = if active_pane_magnification != 1. {
|
|
// if let Some(active_pane_ix) = self.active_pane_ix {
|
|
// if ix == active_pane_ix {
|
|
// active_pane_magnification
|
|
// } else {
|
|
// 1.
|
|
// }
|
|
// } else {
|
|
// 1.
|
|
// }
|
|
// } else {
|
|
// flexes[ix]
|
|
// };
|
|
|
|
// let child_size = if *remaining_flex == 0.0 {
|
|
// *remaining_space
|
|
// } else {
|
|
// let space_per_flex = *remaining_space / *remaining_flex;
|
|
// space_per_flex * flex
|
|
// };
|
|
|
|
// let child_constraint = match self.axis {
|
|
// Axis::Horizontal => SizeConstraint::new(
|
|
// vec2f(child_size, constraint.min.y()),
|
|
// vec2f(child_size, constraint.max.y()),
|
|
// ),
|
|
// Axis::Vertical => SizeConstraint::new(
|
|
// vec2f(constraint.min.x(), child_size),
|
|
// vec2f(constraint.max.x(), child_size),
|
|
// ),
|
|
// };
|
|
// let child_size = child.layout(child_constraint, view, cx);
|
|
// *remaining_space -= child_size.along(self.axis);
|
|
// *remaining_flex -= flex;
|
|
// *cross_axis_max = cross_axis_max.max(child_size.along(cross_axis));
|
|
// }
|
|
// }
|
|
|
|
// fn handle_resize(
|
|
// flexes: Rc<RefCell<Vec<f32>>>,
|
|
// axis: Axis,
|
|
// preceding_ix: usize,
|
|
// child_start: Vector2F,
|
|
// drag_bounds: Bounds<Pixels>,
|
|
// ) -> impl Fn(MouseDrag, &mut Workspace, &mut EventContext<Workspace>) {
|
|
// let size = move |ix, flexes: &[f32]| {
|
|
// drag_bounds.length_along(axis) * (flexes[ix] / flexes.len() as f32)
|
|
// };
|
|
|
|
// move |drag, workspace: &mut Workspace, cx| {
|
|
// if drag.end {
|
|
// // TODO: Clear cascading resize state
|
|
// return;
|
|
// }
|
|
// let min_size = match axis {
|
|
// Axis::Horizontal => HORIZONTAL_MIN_SIZE,
|
|
// Axis::Vertical => VERTICAL_MIN_SIZE,
|
|
// };
|
|
// let mut flexes = flexes.borrow_mut();
|
|
|
|
// // Don't allow resizing to less than the minimum size, if elements are already too small
|
|
// if min_size - 1. > size(preceding_ix, flexes.as_slice()) {
|
|
// return;
|
|
// }
|
|
|
|
// let mut proposed_current_pixel_change = (drag.position - child_start).along(axis)
|
|
// - size(preceding_ix, flexes.as_slice());
|
|
|
|
// let flex_changes = |pixel_dx, target_ix, next: isize, flexes: &[f32]| {
|
|
// let flex_change = pixel_dx / drag_bounds.length_along(axis);
|
|
// let current_target_flex = flexes[target_ix] + flex_change;
|
|
// let next_target_flex =
|
|
// flexes[(target_ix as isize + next) as usize] - flex_change;
|
|
// (current_target_flex, next_target_flex)
|
|
// };
|
|
|
|
// let mut successors = from_fn({
|
|
// let forward = proposed_current_pixel_change > 0.;
|
|
// let mut ix_offset = 0;
|
|
// let len = flexes.len();
|
|
// move || {
|
|
// let result = if forward {
|
|
// (preceding_ix + 1 + ix_offset < len).then(|| preceding_ix + ix_offset)
|
|
// } else {
|
|
// (preceding_ix as isize - ix_offset as isize >= 0)
|
|
// .then(|| preceding_ix - ix_offset)
|
|
// };
|
|
|
|
// ix_offset += 1;
|
|
|
|
// result
|
|
// }
|
|
// });
|
|
|
|
// while proposed_current_pixel_change.abs() > 0. {
|
|
// let Some(current_ix) = successors.next() else {
|
|
// break;
|
|
// };
|
|
|
|
// let next_target_size = f32::max(
|
|
// size(current_ix + 1, flexes.as_slice()) - proposed_current_pixel_change,
|
|
// min_size,
|
|
// );
|
|
|
|
// let current_target_size = f32::max(
|
|
// size(current_ix, flexes.as_slice())
|
|
// + size(current_ix + 1, flexes.as_slice())
|
|
// - next_target_size,
|
|
// min_size,
|
|
// );
|
|
|
|
// let current_pixel_change =
|
|
// current_target_size - size(current_ix, flexes.as_slice());
|
|
|
|
// let (current_target_flex, next_target_flex) =
|
|
// flex_changes(current_pixel_change, current_ix, 1, flexes.as_slice());
|
|
|
|
// flexes[current_ix] = current_target_flex;
|
|
// flexes[current_ix + 1] = next_target_flex;
|
|
|
|
// proposed_current_pixel_change -= current_pixel_change;
|
|
// }
|
|
|
|
// workspace.schedule_serialize(cx);
|
|
// cx.notify();
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// impl Extend<AnyElement<Workspace>> for PaneAxisElement {
|
|
// fn extend<T: IntoIterator<Item = AnyElement<Workspace>>>(&mut self, children: T) {
|
|
// self.children.extend(children);
|
|
// }
|
|
// }
|
|
|
|
// impl Element<Workspace> for PaneAxisElement {
|
|
// type LayoutState = f32;
|
|
// type PaintState = ();
|
|
|
|
// fn layout(
|
|
// &mut self,
|
|
// constraint: SizeConstraint,
|
|
// view: &mut Workspace,
|
|
// cx: &mut ViewContext<Workspace>,
|
|
// ) -> (Vector2F, Self::LayoutState) {
|
|
// debug_assert!(self.children.len() == self.flexes.borrow().len());
|
|
|
|
// let active_pane_magnification =
|
|
// settings::get::<WorkspaceSettings>(cx).active_pane_magnification;
|
|
|
|
// let mut remaining_flex = 0.;
|
|
|
|
// if active_pane_magnification != 1. {
|
|
// let active_pane_flex = self
|
|
// .active_pane_ix
|
|
// .map(|_| active_pane_magnification)
|
|
// .unwrap_or(1.);
|
|
// remaining_flex += self.children.len() as f32 - 1. + active_pane_flex;
|
|
// } else {
|
|
// for flex in self.flexes.borrow().iter() {
|
|
// remaining_flex += flex;
|
|
// }
|
|
// }
|
|
|
|
// let mut cross_axis_max: f32 = 0.0;
|
|
// let mut remaining_space = constraint.max_along(self.axis);
|
|
|
|
// if remaining_space.is_infinite() {
|
|
// panic!("flex contains flexible children but has an infinite constraint along the flex axis");
|
|
// }
|
|
|
|
// self.layout_children(
|
|
// active_pane_magnification,
|
|
// constraint,
|
|
// &mut remaining_space,
|
|
// &mut remaining_flex,
|
|
// &mut cross_axis_max,
|
|
// view,
|
|
// cx,
|
|
// );
|
|
|
|
// let mut size = match self.axis {
|
|
// Axis::Horizontal => vec2f(constraint.max.x() - remaining_space, cross_axis_max),
|
|
// Axis::Vertical => vec2f(cross_axis_max, constraint.max.y() - remaining_space),
|
|
// };
|
|
|
|
// if constraint.min.x().is_finite() {
|
|
// size.set_x(size.x().max(constraint.min.x()));
|
|
// }
|
|
// if constraint.min.y().is_finite() {
|
|
// size.set_y(size.y().max(constraint.min.y()));
|
|
// }
|
|
|
|
// if size.x() > constraint.max.x() {
|
|
// size.set_x(constraint.max.x());
|
|
// }
|
|
// if size.y() > constraint.max.y() {
|
|
// size.set_y(constraint.max.y());
|
|
// }
|
|
|
|
// (size, remaining_space)
|
|
// }
|
|
|
|
// fn paint(
|
|
// &mut self,
|
|
// bounds: Bounds<Pixels>,
|
|
// visible_bounds: Bounds<Pixels>,
|
|
// remaining_space: &mut Self::LayoutState,
|
|
// view: &mut Workspace,
|
|
// cx: &mut ViewContext<Workspace>,
|
|
// ) -> Self::PaintState {
|
|
// let can_resize = settings::get::<WorkspaceSettings>(cx).active_pane_magnification == 1.;
|
|
// let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();
|
|
|
|
// let overflowing = *remaining_space < 0.;
|
|
// if overflowing {
|
|
// cx.scene().push_layer(Some(visible_bounds));
|
|
// }
|
|
|
|
// let mut child_origin = bounds.origin();
|
|
|
|
// let mut bounding_boxes = self.bounding_boxes.borrow_mut();
|
|
// bounding_boxes.clear();
|
|
|
|
// let mut children_iter = self.children.iter_mut().enumerate().peekable();
|
|
// while let Some((ix, child)) = children_iter.next() {
|
|
// let child_start = child_origin.clone();
|
|
// child.paint(child_origin, visible_bounds, view, cx);
|
|
|
|
// bounding_boxes.push(Some(Bounds<Pixels>::new(child_origin, child.size())));
|
|
|
|
// match self.axis {
|
|
// Axis::Horizontal => child_origin += vec2f(child.size().x(), 0.0),
|
|
// Axis::Vertical => child_origin += vec2f(0.0, child.size().y()),
|
|
// }
|
|
|
|
// if can_resize && children_iter.peek().is_some() {
|
|
// cx.scene().push_stacking_context(None, None);
|
|
|
|
// let handle_origin = match self.axis {
|
|
// Axis::Horizontal => child_origin - vec2f(HANDLE_HITBOX_SIZE / 2., 0.0),
|
|
// Axis::Vertical => child_origin - vec2f(0.0, HANDLE_HITBOX_SIZE / 2.),
|
|
// };
|
|
|
|
// let handle_bounds = match self.axis {
|
|
// Axis::Horizontal => Bounds<Pixels>::new(
|
|
// handle_origin,
|
|
// vec2f(HANDLE_HITBOX_SIZE, visible_bounds.height()),
|
|
// ),
|
|
// Axis::Vertical => Bounds<Pixels>::new(
|
|
// handle_origin,
|
|
// vec2f(visible_bounds.width(), HANDLE_HITBOX_SIZE),
|
|
// ),
|
|
// };
|
|
|
|
// let style = match self.axis {
|
|
// Axis::Horizontal => CursorStyle::ResizeLeftRight,
|
|
// Axis::Vertical => CursorStyle::ResizeUpDown,
|
|
// };
|
|
|
|
// cx.scene().push_cursor_region(CursorRegion {
|
|
// bounds: handle_bounds,
|
|
// style,
|
|
// });
|
|
|
|
// enum ResizeHandle {}
|
|
// let mut mouse_region = MouseRegion::new::<ResizeHandle>(
|
|
// cx.view_id(),
|
|
// self.basis + ix,
|
|
// handle_bounds,
|
|
// );
|
|
// mouse_region = mouse_region
|
|
// .on_drag(
|
|
// MouseButton::Left,
|
|
// Self::handle_resize(
|
|
// self.flexes.clone(),
|
|
// self.axis,
|
|
// ix,
|
|
// child_start,
|
|
// visible_bounds.clone(),
|
|
// ),
|
|
// )
|
|
// .on_click(MouseButton::Left, {
|
|
// let flexes = self.flexes.clone();
|
|
// move |e, v: &mut Workspace, cx| {
|
|
// if e.click_count >= 2 {
|
|
// let mut borrow = flexes.borrow_mut();
|
|
// *borrow = vec![1.; borrow.len()];
|
|
// v.schedule_serialize(cx);
|
|
// cx.notify();
|
|
// }
|
|
// }
|
|
// });
|
|
// cx.scene().push_mouse_region(mouse_region);
|
|
|
|
// cx.scene().pop_stacking_context();
|
|
// }
|
|
// }
|
|
|
|
// if overflowing {
|
|
// cx.scene().pop_layer();
|
|
// }
|
|
// }
|
|
|
|
// fn rect_for_text_range(
|
|
// &self,
|
|
// range_utf16: Range<usize>,
|
|
// _: Bounds<Pixels>,
|
|
// _: Bounds<Pixels>,
|
|
// _: &Self::LayoutState,
|
|
// _: &Self::PaintState,
|
|
// view: &Workspace,
|
|
// cx: &ViewContext<Workspace>,
|
|
// ) -> Option<Bounds<Pixels>> {
|
|
// self.children
|
|
// .iter()
|
|
// .find_map(|child| child.rect_for_text_range(range_utf16.clone(), view, cx))
|
|
// }
|
|
|
|
// fn debug(
|
|
// &self,
|
|
// bounds: Bounds<Pixels>,
|
|
// _: &Self::LayoutState,
|
|
// _: &Self::PaintState,
|
|
// view: &Workspace,
|
|
// cx: &ViewContext<Workspace>,
|
|
// ) -> json::Value {
|
|
// serde_json::json!({
|
|
// "type": "PaneAxis",
|
|
// "bounds": bounds.to_json(),
|
|
// "axis": self.axis.to_json(),
|
|
// "flexes": *self.flexes.borrow(),
|
|
// "children": self.children.iter().map(|child| child.debug(view, cx)).collect::<Vec<json::Value>>()
|
|
// })
|
|
// }
|
|
// }
|
|
// }
|