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app.rs
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app.rs
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#[cfg(target_os = "windows")]
use std::os::windows::process::CommandExt;
use std::{
io::{BufReader, IsTerminal, Read, Write},
ops::Range,
path::PathBuf,
process::Stdio,
rc::Rc,
sync::{atomic::AtomicU64, Arc},
};
use anyhow::{anyhow, Result};
use clap::Parser;
use crossbeam_channel::Sender;
use floem::{
cosmic_text::{Style as FontStyle, Weight},
event::{Event, EventListener, EventPropagation},
ext_event::create_signal_from_channel,
menu::{Menu, MenuItem},
peniko::{
kurbo::{Point, Rect, Size},
Color,
},
reactive::{
create_effect, create_memo, create_rw_signal, provide_context, use_context,
ReadSignal, RwSignal, Scope,
},
style::{
AlignItems, CursorStyle, Display, FlexDirection, JustifyContent, Position,
Style,
},
taffy::{
style_helpers::{self, auto, fr},
Line,
},
unit::PxPctAuto,
views::{
clip, container, drag_resize_window_area, drag_window_area, dyn_stack,
empty, label, rich_text,
scroll::{
scroll, HideBar, PropagatePointerWheel, VerticalScrollAsHorizontal,
},
stack, svg, tab, text, tooltip, virtual_stack, Decorators, VirtualDirection,
VirtualItemSize, VirtualVector,
},
window::{ResizeDirection, WindowConfig, WindowId},
IntoView, View,
};
use lapce_core::{
command::{EditCommand, FocusCommand},
directory::Directory,
meta,
};
use lapce_rpc::{
core::{CoreMessage, CoreNotification},
file::PathObject,
RpcMessage,
};
use lsp_types::{CompletionItemKind, MessageType, ShowMessageParams};
use notify::Watcher;
use serde::{Deserialize, Serialize};
use tracing_subscriber::{filter::Targets, reload::Handle};
use crate::{
about, alert,
code_action::CodeActionStatus,
command::{
CommandKind, InternalCommand, LapceCommand, LapceWorkbenchCommand,
WindowCommand,
},
config::{
color::LapceColor, icon::LapceIcons, ui::TabSeparatorHeight,
watcher::ConfigWatcher, LapceConfig,
},
db::LapceDb,
debug::RunDebugMode,
editor::{
diff::diff_show_more_section_view,
location::{EditorLocation, EditorPosition},
view::editor_container_view,
},
editor_tab::{EditorTabChild, EditorTabData},
focus_text::focus_text,
id::{EditorTabId, SplitId},
keymap::keymap_view,
keypress::keymap::KeyMap,
listener::Listener,
main_split::{SplitContent, SplitData, SplitDirection, SplitMoveDirection},
markdown::MarkdownContent,
palette::{
item::{PaletteItem, PaletteItemContent},
PaletteStatus,
},
panel::{position::PanelContainerPosition, view::panel_container_view},
plugin::{plugin_info_view, PluginData},
settings::{settings_view, theme_color_settings_view},
status::status,
text_input::TextInputBuilder,
title::{title, window_controls_view},
tracing::*,
update::ReleaseInfo,
window::{TabsInfo, WindowData, WindowInfo},
window_tab::{Focus, WindowTabData},
workspace::{LapceWorkspace, LapceWorkspaceType},
};
mod logging;
#[derive(Parser)]
#[clap(name = "Lapce")]
#[clap(version=meta::VERSION)]
#[derive(Debug)]
struct Cli {
/// Launch new window even if Lapce is already running
#[clap(short, long, action)]
new: bool,
/// Don't return instantly when opened in a terminal
#[clap(short, long, action)]
wait: bool,
/// Path(s) to plugins to load.
/// This is primarily used for plugin development to make it easier to test changes to the
/// plugin without needing to copy the plugin to the plugins directory.
/// This will cause any plugin with the same author & name to not run.
#[clap(long, action)]
plugin_path: Vec<PathBuf>,
/// Paths to file(s) and/or folder(s) to open.
/// When path is a file (that exists or not),
/// it accepts `path:line:column` syntax
/// to specify line and column at which it should open the file
#[clap(value_parser = lapce_proxy::cli::parse_file_line_column)]
#[clap(value_hint = clap::ValueHint::AnyPath)]
paths: Vec<PathObject>,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AppInfo {
pub windows: Vec<WindowInfo>,
}
#[derive(Clone)]
pub enum AppCommand {
SaveApp,
NewWindow,
CloseWindow(WindowId),
WindowGotFocus(WindowId),
WindowClosed(WindowId),
}
#[derive(Clone)]
pub struct AppData {
pub windows: RwSignal<im::HashMap<WindowId, WindowData>>,
pub active_window: RwSignal<WindowId>,
pub window_scale: RwSignal<f64>,
pub app_command: Listener<AppCommand>,
pub app_terminated: RwSignal<bool>,
/// The latest release information
pub latest_release: RwSignal<Arc<Option<ReleaseInfo>>>,
pub watcher: Arc<notify::RecommendedWatcher>,
pub tracing_handle: Handle<Targets>,
pub config: RwSignal<Arc<LapceConfig>>,
/// Paths to extra plugins to load
pub plugin_paths: Arc<Vec<PathBuf>>,
}
impl AppData {
pub fn reload_config(&self) {
let config =
LapceConfig::load(&LapceWorkspace::default(), &[], &self.plugin_paths);
self.config.set(Arc::new(config));
let windows = self.windows.get_untracked();
for (_, window) in windows {
window.reload_config();
}
}
pub fn active_window_tab(&self) -> Option<Rc<WindowTabData>> {
if let Some(window) = self.active_window() {
return window.active_window_tab();
}
None
}
fn active_window(&self) -> Option<WindowData> {
let windows = self.windows.get_untracked();
let active_window = self.active_window.get_untracked();
windows
.get(&active_window)
.cloned()
.or_else(|| windows.iter().next().map(|(_, window)| window.clone()))
}
fn default_window_config(&self) -> WindowConfig {
WindowConfig::default()
.apply_default_theme(false)
.title("Lapce")
}
pub fn new_window(&self) {
let config = self
.active_window()
.map(|window| {
self.default_window_config()
.size(window.common.size.get_untracked())
.position(window.position.get_untracked() + (50.0, 50.0))
})
.or_else(|| {
let db: Arc<LapceDb> = use_context().unwrap();
db.get_window().ok().map(|info| {
self.default_window_config()
.size(info.size)
.position(info.pos)
})
})
.unwrap_or_else(|| {
self.default_window_config().size(Size::new(800.0, 600.0))
});
let config = if cfg!(target_os = "macos")
|| self.config.get_untracked().core.custom_titlebar
{
config.show_titlebar(false)
} else {
config
};
let app_data = self.clone();
floem::new_window(
move |window_id| {
app_data.app_view(
window_id,
WindowInfo {
size: Size::ZERO,
pos: Point::ZERO,
maximised: false,
tabs: TabsInfo {
active_tab: 0,
workspaces: vec![LapceWorkspace::default()],
},
},
)
},
Some(config),
);
}
pub fn run_app_command(&self, cmd: AppCommand) {
match cmd {
AppCommand::SaveApp => {
let db: Arc<LapceDb> = use_context().unwrap();
let _ = db.save_app(self);
}
AppCommand::WindowClosed(window_id) => {
if self.app_terminated.get_untracked() {
return;
}
let db: Arc<LapceDb> = use_context().unwrap();
if self.windows.with_untracked(|w| w.len()) == 1 {
let _ = db.insert_app(self.clone());
}
let window_data = self
.windows
.try_update(|windows| windows.remove(&window_id))
.unwrap();
if let Some(window_data) = window_data {
window_data.scope.dispose();
}
let _ = db.save_app(self);
}
AppCommand::CloseWindow(window_id) => {
floem::close_window(window_id);
}
AppCommand::NewWindow => {
self.new_window();
}
AppCommand::WindowGotFocus(window_id) => {
self.active_window.set(window_id);
}
}
}
fn create_windows(
&self,
db: Arc<LapceDb>,
paths: Vec<PathObject>,
) -> floem::Application {
let mut app = floem::Application::new();
// Split user input into known existing directors and
// file paths that exist or not
let (dirs, files): (Vec<&PathObject>, Vec<&PathObject>) =
paths.iter().partition(|p| p.is_dir);
if !dirs.is_empty() {
// There were directories specified, so we'll load those as windows
// Use the last opened window's size and position as the default
let (size, mut pos) = db
.get_window()
.map(|i| (i.size, i.pos))
.unwrap_or_else(|_| (Size::new(800.0, 600.0), Point::new(0.0, 0.0)));
for dir in dirs {
#[cfg(windows)]
let workspace_type = if !std::env::var("WSL_DISTRO_NAME")
.unwrap_or_default()
.is_empty()
|| !std::env::var("WSL_INTEROP").unwrap_or_default().is_empty()
{
LapceWorkspaceType::RemoteWSL(crate::workspace::WslHost {
host: String::new(),
})
} else {
LapceWorkspaceType::Local
};
#[cfg(not(windows))]
let workspace_type = LapceWorkspaceType::Local;
let info = WindowInfo {
size,
pos,
maximised: false,
tabs: TabsInfo {
active_tab: 0,
workspaces: vec![LapceWorkspace {
kind: workspace_type,
path: Some(dir.path.to_owned()),
last_open: 0,
}],
},
};
pos += (50.0, 50.0);
let config = self
.default_window_config()
.size(info.size)
.position(info.pos);
let config = if cfg!(target_os = "macos")
|| self.config.get_untracked().core.custom_titlebar
{
config.show_titlebar(false)
} else {
config
};
let app_data = self.clone();
app = app.window(
move |window_id| app_data.app_view(window_id, info),
Some(config),
);
}
} else if files.is_empty() {
// There were no dirs and no files specified, so we'll load the last windows
if let Ok(app_info) = db.get_app() {
for info in app_info.windows {
let config = self
.default_window_config()
.size(info.size)
.position(info.pos);
let config = if cfg!(target_os = "macos")
|| self.config.get_untracked().core.custom_titlebar
{
config.show_titlebar(false)
} else {
config
};
let app_data = self.clone();
app = app.window(
move |window_id| app_data.app_view(window_id, info),
Some(config),
);
}
}
}
if self.windows.with_untracked(|windows| windows.is_empty()) {
let mut info = db.get_window().unwrap_or_else(|_| WindowInfo {
size: Size::new(800.0, 600.0),
pos: Point::ZERO,
maximised: false,
tabs: TabsInfo {
active_tab: 0,
workspaces: vec![LapceWorkspace::default()],
},
});
info.tabs = TabsInfo {
active_tab: 0,
workspaces: vec![LapceWorkspace::default()],
};
let config = self
.default_window_config()
.size(info.size)
.position(info.pos);
let config = if cfg!(target_os = "macos")
|| self.config.get_untracked().core.custom_titlebar
{
config.show_titlebar(false)
} else {
config
};
let app_data = self.clone();
app = app.window(
move |window_id| app_data.app_view(window_id, info),
Some(config),
);
}
// Open any listed files in the first window
if let Some(window) = self.windows.with_untracked(|windows| {
windows
.iter()
.next()
.map(|(_, window_data)| window_data.clone())
}) {
let cur_window_tab = window.active.get_untracked();
let (_, window_tab) =
&window.window_tabs.get_untracked()[cur_window_tab];
for file in files {
let position = file.linecol.map(|pos| {
EditorPosition::Position(lsp_types::Position {
line: pos.line.saturating_sub(1) as u32,
character: pos.column.saturating_sub(1) as u32,
})
});
window_tab.run_internal_command(InternalCommand::GoToLocation {
location: EditorLocation {
path: file.path.clone(),
position,
scroll_offset: None,
// Create a new editor for the file, so we don't change any current unconfirmed
// editor
ignore_unconfirmed: true,
same_editor_tab: false,
},
});
}
}
app
}
fn app_view(&self, window_id: WindowId, info: WindowInfo) -> impl View {
let app_view_id = create_rw_signal(floem::ViewId::new());
let window_data = WindowData::new(
window_id,
app_view_id,
info,
self.window_scale,
self.latest_release.read_only(),
self.plugin_paths.clone(),
self.app_command,
);
self.windows.update(|windows| {
windows.insert(window_id, window_data.clone());
});
let window_size = window_data.common.size;
let position = window_data.position;
let window_scale = window_data.window_scale;
let app_command = window_data.app_command;
let config = window_data.config;
// The KeyDown and PointerDown event handlers both need ownership of a WindowData object.
let key_down_window_data = window_data.clone();
let view =
stack((
workspace_tab_header(window_data.clone()),
window(window_data.clone()),
stack((
drag_resize_window_area(ResizeDirection::West, empty())
.style(|s| s.absolute().width(4.0).height_full()),
drag_resize_window_area(ResizeDirection::North, empty())
.style(|s| s.absolute().width_full().height(4.0)),
drag_resize_window_area(ResizeDirection::East, empty()).style(
move |s| {
s.absolute()
.margin_left(window_size.get().width as f32 - 4.0)
.width(4.0)
.height_full()
},
),
drag_resize_window_area(ResizeDirection::South, empty()).style(
move |s| {
s.absolute()
.margin_top(window_size.get().height as f32 - 4.0)
.width_full()
.height(4.0)
},
),
drag_resize_window_area(ResizeDirection::NorthWest, empty())
.style(|s| s.absolute().width(20.0).height(4.0)),
drag_resize_window_area(ResizeDirection::NorthWest, empty())
.style(|s| s.absolute().width(4.0).height(20.0)),
drag_resize_window_area(ResizeDirection::NorthEast, empty())
.style(move |s| {
s.absolute()
.margin_left(window_size.get().width as f32 - 20.0)
.width(20.0)
.height(4.0)
}),
drag_resize_window_area(ResizeDirection::NorthEast, empty())
.style(move |s| {
s.absolute()
.margin_left(window_size.get().width as f32 - 4.0)
.width(4.0)
.height(20.0)
}),
drag_resize_window_area(ResizeDirection::SouthWest, empty())
.style(move |s| {
s.absolute()
.margin_top(window_size.get().height as f32 - 4.0)
.width(20.0)
.height(4.0)
}),
drag_resize_window_area(ResizeDirection::SouthWest, empty())
.style(move |s| {
s.absolute()
.margin_top(window_size.get().height as f32 - 20.0)
.width(4.0)
.height(20.0)
}),
drag_resize_window_area(ResizeDirection::SouthEast, empty())
.style(move |s| {
s.absolute()
.margin_left(window_size.get().width as f32 - 20.0)
.margin_top(window_size.get().height as f32 - 4.0)
.width(20.0)
.height(4.0)
}),
drag_resize_window_area(ResizeDirection::SouthEast, empty())
.style(move |s| {
s.absolute()
.margin_left(window_size.get().width as f32 - 4.0)
.margin_top(window_size.get().height as f32 - 20.0)
.width(4.0)
.height(20.0)
}),
))
.debug_name("Drag Resize Areas")
.style(move |s| {
s.absolute().size_full().apply_if(
cfg!(target_os = "macos")
|| !config.get_untracked().core.custom_titlebar,
|s| s.hide(),
)
}),
))
.style(|s| s.flex_col().size_full());
let view_id = view.id();
app_view_id.set(view_id);
view_id.request_focus();
view.window_scale(move || window_scale.get())
.keyboard_navigatable()
.on_event(EventListener::KeyDown, move |event| {
if let Event::KeyDown(key_event) = event {
if key_down_window_data.key_down(key_event) {
view_id.request_focus();
}
EventPropagation::Stop
} else {
EventPropagation::Continue
}
})
.on_event(EventListener::PointerDown, move |event| {
if let Event::PointerDown(pointer_event) = event {
window_data.key_down(pointer_event);
EventPropagation::Stop
} else {
EventPropagation::Continue
}
})
.on_event_stop(EventListener::WindowResized, move |event| {
if let Event::WindowResized(size) = event {
window_size.set(*size);
}
})
.on_event_stop(EventListener::WindowMoved, move |event| {
if let Event::WindowMoved(point) = event {
position.set(*point);
}
})
.on_event_stop(EventListener::WindowGotFocus, move |_| {
app_command.send(AppCommand::WindowGotFocus(window_id));
})
.on_event_stop(EventListener::WindowClosed, move |_| {
app_command.send(AppCommand::WindowClosed(window_id));
})
.debug_name("App View")
}
}
/// The top bar of an Editor tab. Includes the tab forward/back buttons, the tab scroll bar and the new split and tab close all button.
fn editor_tab_header(
window_tab_data: Rc<WindowTabData>,
active_editor_tab: ReadSignal<Option<EditorTabId>>,
editor_tab: RwSignal<EditorTabData>,
dragging: RwSignal<Option<(RwSignal<usize>, EditorTabId)>>,
) -> impl View {
let main_split = window_tab_data.main_split.clone();
let plugin = window_tab_data.plugin.clone();
let editors = window_tab_data.main_split.editors;
let diff_editors = window_tab_data.main_split.diff_editors;
let focus = window_tab_data.common.focus;
let config = window_tab_data.common.config;
let internal_command = window_tab_data.common.internal_command;
let workbench_command = window_tab_data.common.workbench_command;
let editor_tab_id =
editor_tab.with_untracked(|editor_tab| editor_tab.editor_tab_id);
let editor_tab_active =
create_memo(move |_| editor_tab.with(|editor_tab| editor_tab.active));
let items = move || {
let editor_tab = editor_tab.get();
for (i, (index, _, _)) in editor_tab.children.iter().enumerate() {
if index.get_untracked() != i {
index.set(i);
}
}
editor_tab.children
};
let key = |(_, _, child): &(RwSignal<usize>, RwSignal<Rect>, EditorTabChild)| {
child.id()
};
let is_focused = move || {
if let Focus::Workbench = focus.get() {
editor_tab.with_untracked(|e| Some(e.editor_tab_id))
== active_editor_tab.get()
} else {
false
}
};
let view_fn = move |(i, layout_rect, child): (
RwSignal<usize>,
RwSignal<Rect>,
EditorTabChild,
)| {
let local_child = child.clone();
let child_for_close = child.clone();
let child_for_mouse_close = child.clone();
let main_split = main_split.clone();
let plugin = plugin.clone();
let child_view = {
let info = child.view_info(editors, diff_editors, plugin, config);
let hovered = create_rw_signal(false);
use crate::config::ui::TabCloseButton;
let tab_icon = container({
svg(move || info.with(|info| info.icon.clone())).style(move |s| {
let size = config.get().ui.icon_size() as f32;
s.size(size, size)
.apply_opt(info.with(|info| info.color), |s, c| s.color(c))
})
})
.style(|s| s.padding(4.));
let tab_content = label(move || info.with(|info| info.path.clone()))
.style(move |s| {
s.apply_if(
!info
.with(|info| info.confirmed)
.map(|confirmed| confirmed.get())
.unwrap_or(true),
|s| s.font_style(FontStyle::Italic),
)
.selectable(false)
});
let tab_close_button = clickable_icon(
move || {
if hovered.get() || info.with(|info| info.is_pristine) {
LapceIcons::CLOSE
} else {
LapceIcons::UNSAVED
}
},
move || {
let editor_tab_id =
editor_tab.with_untracked(|t| t.editor_tab_id);
internal_command.send(InternalCommand::EditorTabChildClose {
editor_tab_id,
child: child_for_close.clone(),
});
},
|| false,
|| false,
|| "Close",
config,
)
.on_event_stop(EventListener::PointerDown, |_| {})
.on_event_stop(EventListener::PointerEnter, move |_| {
hovered.set(true);
})
.on_event_stop(EventListener::PointerLeave, move |_| {
hovered.set(false);
});
stack((
tab_icon.style(move |s| {
let tab_close_button = config.get().ui.tab_close_button;
s.apply_if(tab_close_button == TabCloseButton::Left, |s| {
s.grid_column(Line {
start: style_helpers::line(3),
end: style_helpers::span(1),
})
})
}),
tab_content.style(move |s| {
let tab_close_button = config.get().ui.tab_close_button;
s.apply_if(tab_close_button == TabCloseButton::Left, |s| {
s.grid_column(Line {
start: style_helpers::line(2),
end: style_helpers::span(1),
})
})
.apply_if(tab_close_button == TabCloseButton::Off, |s| {
s.padding_right(4.)
})
}),
tab_close_button.style(move |s| {
let tab_close_button = config.get().ui.tab_close_button;
s.apply_if(tab_close_button == TabCloseButton::Left, |s| {
s.grid_column(Line {
start: style_helpers::line(1),
end: style_helpers::span(1),
})
})
.apply_if(tab_close_button == TabCloseButton::Off, |s| s.hide())
}),
))
.style(move |s| {
s.items_center()
.justify_center()
.border_left(if i.get() == 0 { 1.0 } else { 0.0 })
.border_right(1.0)
.border_color(config.get().color(LapceColor::LAPCE_BORDER))
.padding_horiz(6.)
.gap(6.)
.grid()
.grid_template_columns(vec![auto(), fr(1.), auto()])
.apply_if(
config.get().ui.tab_separator_height
== TabSeparatorHeight::Full,
|s| s.height_full(),
)
})
};
let confirmed = match local_child {
EditorTabChild::Editor(editor_id) => {
editors.editor_untracked(editor_id).map(|e| e.confirmed)
}
EditorTabChild::DiffEditor(diff_editor_id) => diff_editors
.with_untracked(|diff_editors| {
diff_editors
.get(&diff_editor_id)
.map(|diff_editor_data| diff_editor_data.confirmed)
}),
_ => None,
};
let header_content_size = create_rw_signal(Size::ZERO);
let drag_over_left: RwSignal<Option<bool>> = create_rw_signal(None);
stack((
child_view
.on_double_click_stop(move |_| {
if let Some(confirmed) = confirmed {
confirmed.set(true);
}
})
.on_event(EventListener::PointerDown, move |event| {
if let Event::PointerDown(pointer_event) = event {
if pointer_event.button.is_auxiliary() {
let editor_tab_id =
editor_tab.with_untracked(|t| t.editor_tab_id);
internal_command.send(
InternalCommand::EditorTabChildClose {
editor_tab_id,
child: child_for_mouse_close.clone(),
},
);
EventPropagation::Stop
} else {
editor_tab.update(|editor_tab| {
editor_tab.active = i.get_untracked();
});
EventPropagation::Continue
}
} else {
EventPropagation::Continue
}
})
.on_event_stop(EventListener::DragStart, move |_| {
dragging.set(Some((i, editor_tab_id)));
})
.on_event_stop(EventListener::DragEnd, move |_| {
dragging.set(None);
})
.on_event_stop(EventListener::DragOver, move |event| {
if dragging.with_untracked(|dragging| dragging.is_some()) {
if let Event::PointerMove(pointer_event) = event {
let new_left = pointer_event.pos.x
< header_content_size.get_untracked().width / 2.0;
if drag_over_left.get_untracked() != Some(new_left) {
drag_over_left.set(Some(new_left));
}
}
}
})
.on_event(EventListener::Drop, move |event| {
if let Some((from_index, from_editor_tab_id)) =
dragging.get_untracked()
{
drag_over_left.set(None);
if let Event::PointerUp(pointer_event) = event {
let left = pointer_event.pos.x
< header_content_size.get_untracked().width / 2.0;
let index = i.get_untracked();
let new_index = if left { index } else { index + 1 };
main_split.move_editor_tab_child(
from_editor_tab_id,
editor_tab_id,
from_index.get_untracked(),
new_index,
);
}
EventPropagation::Stop
} else {
EventPropagation::Continue
}
})
.on_event_stop(EventListener::DragLeave, move |_| {
drag_over_left.set(None);
})
.on_resize(move |rect| {
header_content_size.set(rect.size());
})
.draggable()
.dragging_style(move |s| {
let config = config.get();
s.border(1.0)
.border_radius(6.0)
.background(
config
.color(LapceColor::PANEL_BACKGROUND)
.with_alpha_factor(0.7),
)
.border_color(config.color(LapceColor::LAPCE_BORDER))
})
.style(|s| s.align_items(Some(AlignItems::Center))),
empty()
.style(move |s| {
s.size_full()
.border_bottom(if editor_tab_active.get() == i.get() {
2.0
} else {
0.0
})
.border_color(config.get().color(if is_focused() {
LapceColor::LAPCE_TAB_ACTIVE_UNDERLINE
} else {
LapceColor::LAPCE_TAB_INACTIVE_UNDERLINE
}))
})
.style(|s| s.absolute().padding_horiz(3.0).size_full())
.debug_name("Drop Indicator"),
empty()
.style(move |s| {
let i = i.get();
let drag_over_left = drag_over_left.get();
s.absolute()
.margin_left(if i == 0 { 0.0 } else { -2.0 })
.height_full()
.width(
header_content_size.get().width as f32
+ if i == 0 { 1.0 } else { 3.0 },
)
.apply_if(drag_over_left.is_none(), |s| s.hide())
.apply_if(drag_over_left.is_some(), |s| {
if let Some(drag_over_left) = drag_over_left {
if drag_over_left {
s.border_left(3.0)
} else {
s.border_right(3.0)
}
} else {
s
}
})
.border_color(
config
.get()
.color(LapceColor::LAPCE_TAB_ACTIVE_UNDERLINE)
.with_alpha_factor(0.5),
)
})
.debug_name("Active Tab Indicator"),
))
.on_resize(move |rect| {
layout_rect.set(rect);
})
.style(|s| s.height_full().flex_col().items_center().justify_center())
.debug_name("Tab and Active Indicator")
};
let content_size = create_rw_signal(Size::ZERO);
let scroll_offset = create_rw_signal(Rect::ZERO);
stack((
stack({
let size = create_rw_signal(Size::ZERO);
(
clip(empty().style(move |s| {
let config = config.get();
s.absolute()
.height_full()
.width(size.get().width as f32)
.background(config.color(LapceColor::PANEL_BACKGROUND))
.box_shadow_blur(3.0)
.box_shadow_color(
config.color(LapceColor::LAPCE_DROPDOWN_SHADOW),
)
}))
.style(move |s| {
let scroll_offset = scroll_offset.get();
s.absolute()
.width(size.get().width as f32 + 30.0)
.height_full()
.apply_if(scroll_offset.x0 == 0.0, |s| s.hide())
}),
stack((
clickable_icon(
|| LapceIcons::TAB_PREVIOUS,
move || {
workbench_command
.send(LapceWorkbenchCommand::PreviousEditorTab);
},
|| false,
|| false,
|| "Previous Tab",
config,
)
.style(|s| s.margin_horiz(6.0).margin_vert(7.0)),
clickable_icon(
|| LapceIcons::TAB_NEXT,
move || {
workbench_command
.send(LapceWorkbenchCommand::NextEditorTab);
},
|| false,
|| false,
|| "Next Tab",
config,
)
.style(|s| s.margin_right(6.0)),
))
.on_resize(move |rect| {
size.set(rect.size());
})
.debug_name("Next/Previoius Tab Buttons")
.style(move |s| s.items_center()),
)
})
.style(|s| s.flex_shrink(0.)),
container(
scroll({
dyn_stack(items, key, view_fn)
.on_resize(move |rect| {
let size = rect.size();
if content_size.get_untracked() != size {
content_size.set(size);
}
})
.debug_name("Horizontal Tab Stack")
.style(|s| s.height_full().items_center())
})
.on_scroll(move |rect| {
scroll_offset.set(rect);
})
.ensure_visible(move || {
let active = editor_tab_active.get();
editor_tab
.with_untracked(|editor_tab| editor_tab.children[active].1)
.get_untracked()
})
.style(|s| {
s.set(HideBar, true)
.set(VerticalScrollAsHorizontal, true)
.absolute()
.size_full()
}),
)
.style(|s| s.height_full().flex_grow(1.0).flex_basis(0.).min_width(10.))
.debug_name("Tab scroll"),
stack({
let size = create_rw_signal(Size::ZERO);
(
clip({
empty().style(move |s| {
let config = config.get();