Get the channel select looking good

Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Max Brunsfeld
2021-08-30 17:59:13 -07:00
co-authored by Nathan Sobo
parent ff01b52819
commit 73a8fda9c7
10 changed files with 348 additions and 82 deletions
+38 -14
View File
@@ -294,7 +294,9 @@ impl App {
let platform = self.0.borrow().foreground_platform.clone();
platform.run(Box::new(move || {
let mut cx = self.0.borrow_mut();
on_finish_launching(&mut *cx);
let cx = &mut *cx;
crate::views::init(cx);
on_finish_launching(cx);
}))
}
@@ -1306,7 +1308,7 @@ impl MutableAppContext {
pub fn element_state<Tag: 'static, T: 'static + Default>(
&mut self,
id: usize,
id: ElementStateId,
) -> ElementStateHandle<T> {
let key = (TypeId::of::<Tag>(), id);
self.cx
@@ -1699,7 +1701,7 @@ pub struct AppContext {
models: HashMap<usize, Box<dyn AnyModel>>,
views: HashMap<(usize, usize), Box<dyn AnyView>>,
windows: HashMap<usize, Window>,
element_states: HashMap<(TypeId, usize), Box<dyn Any>>,
element_states: HashMap<(TypeId, ElementStateId), Box<dyn Any>>,
background: Arc<executor::Background>,
ref_counts: Arc<Mutex<RefCounts>>,
font_cache: Arc<FontCache>,
@@ -2977,6 +2979,10 @@ impl<T: View> WeakViewHandle<T> {
}
}
pub fn id(&self) -> usize {
self.view_id
}
pub fn upgrade(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
if cx.ref_counts.lock().is_entity_alive(self.view_id) {
Some(ViewHandle::new(
@@ -3000,15 +3006,30 @@ impl<T> Clone for WeakViewHandle<T> {
}
}
#[derive(Clone, Copy, PartialEq, Eq, Hash)]
pub struct ElementStateId(usize, usize);
impl From<usize> for ElementStateId {
fn from(id: usize) -> Self {
Self(id, 0)
}
}
impl From<(usize, usize)> for ElementStateId {
fn from(id: (usize, usize)) -> Self {
Self(id.0, id.1)
}
}
pub struct ElementStateHandle<T> {
value_type: PhantomData<T>,
tag_type_id: TypeId,
id: usize,
id: ElementStateId,
ref_counts: Weak<Mutex<RefCounts>>,
}
impl<T: 'static> ElementStateHandle<T> {
fn new(tag_type_id: TypeId, id: usize, ref_counts: &Arc<Mutex<RefCounts>>) -> Self {
fn new(tag_type_id: TypeId, id: ElementStateId, ref_counts: &Arc<Mutex<RefCounts>>) -> Self {
ref_counts.lock().inc_element_state(tag_type_id, id);
Self {
value_type: PhantomData,
@@ -3128,10 +3149,10 @@ impl Drop for Subscription {
#[derive(Default)]
struct RefCounts {
entity_counts: HashMap<usize, usize>,
element_state_counts: HashMap<(TypeId, usize), usize>,
element_state_counts: HashMap<(TypeId, ElementStateId), usize>,
dropped_models: HashSet<usize>,
dropped_views: HashSet<(usize, usize)>,
dropped_element_states: HashSet<(TypeId, usize)>,
dropped_element_states: HashSet<(TypeId, ElementStateId)>,
}
impl RefCounts {
@@ -3155,11 +3176,14 @@ impl RefCounts {
}
}
fn inc_element_state(&mut self, tag_type_id: TypeId, id: usize) {
*self
.element_state_counts
.entry((tag_type_id, id))
.or_insert(0) += 1;
fn inc_element_state(&mut self, tag_type_id: TypeId, id: ElementStateId) {
match self.element_state_counts.entry((tag_type_id, id)) {
Entry::Occupied(mut entry) => *entry.get_mut() += 1,
Entry::Vacant(entry) => {
entry.insert(1);
self.dropped_element_states.remove(&(tag_type_id, id));
}
}
}
fn dec_model(&mut self, model_id: usize) {
@@ -3180,7 +3204,7 @@ impl RefCounts {
}
}
fn dec_element_state(&mut self, tag_type_id: TypeId, id: usize) {
fn dec_element_state(&mut self, tag_type_id: TypeId, id: ElementStateId) {
let key = (tag_type_id, id);
let count = self.element_state_counts.get_mut(&key).unwrap();
*count -= 1;
@@ -3199,7 +3223,7 @@ impl RefCounts {
) -> (
HashSet<usize>,
HashSet<(usize, usize)>,
HashSet<(TypeId, usize)>,
HashSet<(TypeId, ElementStateId)>,
) {
let mut dropped_models = HashSet::new();
let mut dropped_views = HashSet::new();
+5 -4
View File
@@ -3,8 +3,8 @@ use std::ops::DerefMut;
use crate::{
geometry::{rect::RectF, vector::Vector2F},
platform::CursorStyle,
CursorStyleHandle, DebugContext, Element, ElementBox, ElementStateHandle, Event, EventContext,
LayoutContext, MutableAppContext, PaintContext, SizeConstraint,
CursorStyleHandle, DebugContext, Element, ElementBox, ElementStateHandle, ElementStateId,
Event, EventContext, LayoutContext, MutableAppContext, PaintContext, SizeConstraint,
};
use serde_json::json;
@@ -25,13 +25,14 @@ pub struct MouseState {
}
impl MouseEventHandler {
pub fn new<Tag, F, C>(id: usize, cx: &mut C, render_child: F) -> Self
pub fn new<Tag, F, C, Id>(id: Id, cx: &mut C, render_child: F) -> Self
where
Tag: 'static,
F: FnOnce(&MouseState, &mut C) -> ElementBox,
C: DerefMut<Target = MutableAppContext>,
Id: Into<ElementStateId>,
{
let state_handle = cx.element_state::<Tag, _>(id);
let state_handle = cx.element_state::<Tag, _>(id.into());
let child = state_handle.update(cx, |state, cx| render_child(state, cx));
Self {
state: state_handle,
+4 -4
View File
@@ -5,7 +5,7 @@ use crate::{
vector::{vec2f, Vector2F},
},
json::{self, json},
AppContext, ElementBox,
ElementBox, MutableAppContext,
};
use json::ToJson;
use parking_lot::Mutex;
@@ -38,7 +38,7 @@ pub struct LayoutState {
pub struct UniformList<F>
where
F: Fn(Range<usize>, &mut Vec<ElementBox>, &AppContext),
F: Fn(Range<usize>, &mut Vec<ElementBox>, &mut MutableAppContext),
{
state: UniformListState,
item_count: usize,
@@ -47,7 +47,7 @@ where
impl<F> UniformList<F>
where
F: Fn(Range<usize>, &mut Vec<ElementBox>, &AppContext),
F: Fn(Range<usize>, &mut Vec<ElementBox>, &mut MutableAppContext),
{
pub fn new(state: UniformListState, item_count: usize, append_items: F) -> Self {
Self {
@@ -102,7 +102,7 @@ where
impl<F> Element for UniformList<F>
where
F: Fn(Range<usize>, &mut Vec<ElementBox>, &AppContext),
F: Fn(Range<usize>, &mut Vec<ElementBox>, &mut MutableAppContext),
{
type LayoutState = LayoutState;
type PaintState = ();
+5 -1
View File
@@ -1,3 +1,7 @@
mod select;
pub use select::*;
pub use select::{ItemType, Select, SelectStyle};
pub fn init(cx: &mut super::MutableAppContext) {
select::init(cx);
}
+139 -6
View File
@@ -1,14 +1,79 @@
use crate::{elements::*, Entity, RenderContext, View};
use std::ops::Range;
use crate::{
action, elements::*, AppContext, Entity, MutableAppContext, RenderContext, View, ViewContext,
WeakViewHandle,
};
pub struct Select {
selected_ix: Option<usize>,
render_selected_element: Box<dyn FnMut()>,
render_elements: Box<dyn FnMut(Range<usize>, &mut RenderContext<Self>)>,
handle: WeakViewHandle<Self>,
render_item: Box<dyn Fn(usize, ItemType, bool, &AppContext) -> ElementBox>,
selected_item_ix: usize,
item_count: usize,
is_open: bool,
list_state: UniformListState,
style: SelectStyle,
}
#[derive(Clone, Default)]
pub struct SelectStyle {
pub header: ContainerStyle,
pub menu: ContainerStyle,
}
pub enum ItemType {
Header,
Selected,
Unselected,
}
action!(ToggleSelect);
action!(SelectItem, usize);
pub enum Event {}
pub fn init(cx: &mut MutableAppContext) {
cx.add_action(Select::toggle);
cx.add_action(Select::select_item);
}
impl Select {
pub fn new<F: 'static + Fn(usize, ItemType, bool, &AppContext) -> ElementBox>(
item_count: usize,
cx: &mut ViewContext<Self>,
render_item: F,
) -> Self {
Self {
handle: cx.handle().downgrade(),
render_item: Box::new(render_item),
selected_item_ix: 0,
item_count,
is_open: false,
list_state: UniformListState::default(),
style: Default::default(),
}
}
pub fn with_style(mut self, style: &SelectStyle) -> Self {
self.style = style.clone();
self
}
pub fn set_item_count(&mut self, count: usize, cx: &mut ViewContext<Self>) {
self.item_count = count;
cx.notify();
}
fn toggle(&mut self, _: &ToggleSelect, cx: &mut ViewContext<Self>) {
self.is_open = !self.is_open;
cx.notify();
}
fn select_item(&mut self, action: &SelectItem, cx: &mut ViewContext<Self>) {
self.selected_item_ix = action.0;
self.is_open = false;
cx.notify();
}
}
impl Entity for Select {
type Event = Event;
}
@@ -19,6 +84,74 @@ impl View for Select {
}
fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
todo!()
if self.item_count == 0 {
return Empty::new().boxed();
}
enum Header {}
enum Item {}
let mut result = Flex::column().with_child(
MouseEventHandler::new::<Header, _, _, _>(self.handle.id(), cx, |mouse_state, cx| {
Container::new((self.render_item)(
self.selected_item_ix,
ItemType::Header,
mouse_state.hovered,
cx,
))
.with_style(&self.style.header)
.boxed()
})
.on_click(move |cx| cx.dispatch_action(ToggleSelect))
.boxed(),
);
if self.is_open {
let handle = self.handle.clone();
result.add_child(
Overlay::new(
Container::new(
ConstrainedBox::new(
UniformList::new(
self.list_state.clone(),
self.item_count,
move |mut range, items, mut cx| {
let handle = handle.upgrade(cx).unwrap();
let this = handle.read(cx);
let selected_item_ix = this.selected_item_ix;
range.end = range.end.min(this.item_count);
items.extend(range.map(|ix| {
MouseEventHandler::new::<Item, _, _, _>(
(handle.id(), ix),
&mut cx,
|mouse_state, cx| {
(handle.read(*cx).render_item)(
ix,
if ix == selected_item_ix {
ItemType::Selected
} else {
ItemType::Unselected
},
mouse_state.hovered,
cx,
)
},
)
.on_click(move |cx| cx.dispatch_action(SelectItem(ix)))
.boxed()
}))
},
)
.boxed(),
)
.with_max_height(200.)
.boxed(),
)
.with_style(&self.style.menu)
.boxed(),
)
.boxed(),
)
}
result.boxed()
}
}
+32 -5
View File
@@ -26,15 +26,42 @@ color = "$text.2.color"
color = "$text.0.color"
[chat_panel]
padding = { top = 10.0, bottom = 10.0, left = 10.0, right = 10.0 }
channel_name = { extends = "$text.0", weight = "bold" }
channel_name_hash = { text = "$text.2", padding.right = 5.0 }
channel_name_hash = { text = "$text.2", padding.right = 5 }
[chat_panel.message]
body = "$text.1"
sender.margin.right = 10.0
sender.text = { extends = "$text.0", weight = "bold" }
timestamp.text = "$text.2"
sender = { extends = "$text.0", weight = "bold", margin.right = 10.0 }
timestamp = "$text.2"
padding = { top = 10, bottom = 10, left = 10, right = 10 }
[chat_panel.channel_select.item]
padding = { top = 4, bottom = 4, left = 4, right = 4 }
name = "$text.1"
hash = { extends = "$text.2", margin.right = 5.0 }
[chat_panel.channel_select.hovered_item]
extends = "$chat_panel.channel_select.item"
background = "$surface.2"
corner_radius = 6.0
[chat_panel.channel_select.active_item]
extends = "$chat_panel.channel_select.item"
name = "$text.0"
[chat_panel.channel_select.hovered_active_item]
extends = "$chat_panel.channel_select.hovered_item"
name = "$text.0"
[chat_panel.channel_select.header]
extends = "$chat_panel.channel_select.active_item"
padding.bottom = 0
[chat_panel.channel_select.menu]
padding = { top = 4, bottom = 4, left = 4, right = 4 }
corner_radius = 6.0
border = { color = "#000000", width = 1.0 }
background = "$surface.0"
[selector]
background = "$surface.2"
+90 -40
View File
@@ -1,12 +1,17 @@
use crate::{
channel::{Channel, ChannelEvent, ChannelList, ChannelMessage},
editor::Editor,
theme,
util::ResultExt,
Settings,
};
use gpui::{
action, elements::*, keymap::Binding, Entity, ModelHandle, MutableAppContext, RenderContext,
Subscription, View, ViewContext, ViewHandle,
action,
elements::*,
keymap::Binding,
views::{ItemType, Select, SelectStyle},
AppContext, Entity, ModelHandle, MutableAppContext, RenderContext, Subscription, View,
ViewContext, ViewHandle,
};
use postage::watch;
use time::{OffsetDateTime, UtcOffset};
@@ -16,6 +21,7 @@ pub struct ChatPanel {
active_channel: Option<(ModelHandle<Channel>, Subscription)>,
message_list: ListState,
input_editor: ViewHandle<Editor>,
channel_select: ViewHandle<Select>,
settings: watch::Receiver<Settings>,
}
@@ -38,11 +44,33 @@ impl ChatPanel {
cx: &mut ViewContext<Self>,
) -> Self {
let input_editor = cx.add_view(|cx| Editor::auto_height(settings.clone(), cx));
let channel_select = cx.add_view(|cx| {
let channel_list = channel_list.clone();
let theme = &settings.borrow().theme.chat_panel.channel_select;
Select::new(0, cx, {
let settings = settings.clone();
move |ix, item_type, is_hovered, cx| {
Self::render_channel_name(
&channel_list,
ix,
item_type,
is_hovered,
&settings.borrow().theme.chat_panel.channel_select,
cx,
)
}
})
.with_style(&SelectStyle {
header: theme.header.container.clone(),
menu: theme.menu.clone(),
})
});
let mut this = Self {
channel_list,
active_channel: Default::default(),
message_list: ListState::new(0, Orientation::Bottom),
input_editor,
channel_select,
settings,
};
@@ -56,23 +84,33 @@ impl ChatPanel {
}
fn init_active_channel(&mut self, cx: &mut ViewContext<Self>) {
if self.active_channel.is_none() {
let channel = self.channel_list.update(cx, |list, cx| {
if let Some(channel_id) = list
.available_channels()
.and_then(|channels| channels.first())
.map(|details| details.id)
{
return list.get_channel(channel_id, cx);
let (active_channel, channel_count) = self.channel_list.update(cx, |list, cx| {
let channel_count;
let mut active_channel = None;
if let Some(available_channels) = list.available_channels() {
channel_count = available_channels.len();
if self.active_channel.is_none() {
if let Some(channel_id) = available_channels.first().map(|channel| channel.id) {
active_channel = list.get_channel(channel_id, cx);
}
}
None
});
if let Some(channel) = channel {
self.set_active_channel(channel, cx);
} else {
channel_count = 0;
}
} else if self.channel_list.read(cx).available_channels().is_none() {
(active_channel, channel_count)
});
if let Some(active_channel) = active_channel {
self.set_active_channel(active_channel, cx);
} else {
self.active_channel = None;
}
self.channel_select.update(cx, |select, cx| {
select.set_item_count(channel_count, cx);
});
}
fn set_active_channel(&mut self, channel: ModelHandle<Channel>, cx: &mut ViewContext<Self>) {
@@ -106,28 +144,6 @@ impl ChatPanel {
cx.notify();
}
fn render_channel_name(&self, cx: &mut RenderContext<Self>) -> ElementBox {
let settings = self.settings.borrow();
let theme = &settings.theme.chat_panel;
if let Some((channel, _)) = self.active_channel.as_ref() {
let channel = channel.read(cx);
Flex::row()
.with_child(
Container::new(
Label::new("#".to_string(), theme.channel_name_hash.label.clone()).boxed(),
)
.with_style(&theme.channel_name_hash.container)
.boxed(),
)
.with_child(
Label::new(channel.name().to_string(), theme.channel_name.clone()).boxed(),
)
.boxed()
} else {
Empty::new().boxed()
}
}
fn render_active_channel_messages(&self, cx: &mut RenderContext<Self>) -> ElementBox {
let messages = if let Some((channel, _)) = self.active_channel.as_ref() {
let channel = channel.read(cx);
@@ -155,7 +171,7 @@ impl ChatPanel {
Container::new(
Label::new(
message.sender.github_login.clone(),
theme.sender.label.clone(),
theme.sender.text.clone(),
)
.boxed(),
)
@@ -166,7 +182,7 @@ impl ChatPanel {
Container::new(
Label::new(
format_timestamp(message.timestamp, now),
theme.timestamp.label.clone(),
theme.timestamp.text.clone(),
)
.boxed(),
)
@@ -185,6 +201,36 @@ impl ChatPanel {
.boxed()
}
fn render_channel_name(
channel_list: &ModelHandle<ChannelList>,
ix: usize,
item_type: ItemType,
is_hovered: bool,
theme: &theme::ChannelSelect,
cx: &AppContext,
) -> ElementBox {
let channel = &channel_list.read(cx).available_channels().unwrap()[ix];
let theme = match (item_type, is_hovered) {
(ItemType::Header, _) => &theme.header,
(ItemType::Selected, false) => &theme.active_item,
(ItemType::Selected, true) => &theme.hovered_active_item,
(ItemType::Unselected, false) => &theme.item,
(ItemType::Unselected, true) => &theme.hovered_item,
};
Container::new(
Flex::row()
.with_child(
Container::new(Label::new("#".to_string(), theme.hash.text.clone()).boxed())
.with_style(&theme.hash.container)
.boxed(),
)
.with_child(Label::new(channel.name.clone(), theme.name.clone()).boxed())
.boxed(),
)
.with_style(&theme.container)
.boxed()
}
fn send(&mut self, _: &Send, cx: &mut ViewContext<Self>) {
if let Some((channel, _)) = self.active_channel.as_ref() {
let body = self.input_editor.update(cx, |editor, cx| {
@@ -224,7 +270,11 @@ impl View for ChatPanel {
let theme = &self.settings.borrow().theme;
Container::new(
Flex::column()
.with_child(self.render_channel_name(cx))
.with_child(
Container::new(ChildView::new(self.channel_select.id()).boxed())
.with_style(&theme.chat_panel.channel_select.container)
.boxed(),
)
.with_child(self.render_active_channel_messages(cx))
.with_child(self.render_input_box())
.boxed(),
+31 -4
View File
@@ -68,15 +68,34 @@ pub struct ChatPanel {
#[serde(flatten)]
pub container: ContainerStyle,
pub message: ChatMessage,
pub channel_name: TextStyle,
pub channel_name_hash: ContainedLabel,
pub channel_select: ChannelSelect,
}
#[derive(Deserialize)]
pub struct ChatMessage {
pub body: TextStyle,
pub sender: ContainedLabel,
pub timestamp: ContainedLabel,
pub sender: ContainedText,
pub timestamp: ContainedText,
}
#[derive(Deserialize)]
pub struct ChannelSelect {
#[serde(flatten)]
pub container: ContainerStyle,
pub header: ChannelName,
pub item: ChannelName,
pub active_item: ChannelName,
pub hovered_item: ChannelName,
pub hovered_active_item: ChannelName,
pub menu: ContainerStyle,
}
#[derive(Deserialize)]
pub struct ChannelName {
#[serde(flatten)]
pub container: ContainerStyle,
pub hash: ContainedText,
pub name: TextStyle,
}
#[derive(Deserialize)]
@@ -90,6 +109,14 @@ pub struct Selector {
pub active_item: ContainedLabel,
}
#[derive(Deserialize)]
pub struct ContainedText {
#[serde(flatten)]
pub container: ContainerStyle,
#[serde(flatten)]
pub text: TextStyle,
}
#[derive(Deserialize)]
pub struct ContainedLabel {
#[serde(flatten)]
+2 -2
View File
@@ -193,7 +193,7 @@ impl Pane {
row.add_child(
Expanded::new(
1.0,
MouseEventHandler::new::<Tab, _, _>(item.id(), cx, |mouse_state, cx| {
MouseEventHandler::new::<Tab, _, _, _>(item.id(), cx, |mouse_state, cx| {
let title = item.title(cx);
let mut border = border.clone();
@@ -317,7 +317,7 @@ impl Pane {
let close_color = current_color.unwrap_or(theme.workspace.tab.icon_close);
let icon = Svg::new("icons/x.svg").with_color(close_color);
MouseEventHandler::new::<TabCloseButton, _, _>(item_id, cx, |mouse_state, _| {
MouseEventHandler::new::<TabCloseButton, _, _, _>(item_id, cx, |mouse_state, _| {
if mouse_state.hovered {
Container::new(icon.with_color(Color::white()).boxed())
.with_background_color(if mouse_state.clicked {
+2 -2
View File
@@ -76,7 +76,7 @@ impl Sidebar {
&settings.theme.workspace.sidebar_icon
};
enum SidebarButton {}
MouseEventHandler::new::<SidebarButton, _, _>(item.view.id(), cx, |_, _| {
MouseEventHandler::new::<SidebarButton, _, _, _>(item.view.id(), cx, |_, _| {
ConstrainedBox::new(
Align::new(
ConstrainedBox::new(
@@ -133,7 +133,7 @@ impl Sidebar {
) -> ElementBox {
let width = self.width.clone();
let side = self.side;
MouseEventHandler::new::<Self, _, _>(self.side.id(), &mut cx, |_, _| {
MouseEventHandler::new::<Self, _, _, _>(self.side.id(), &mut cx, |_, _| {
Container::new(Empty::new().boxed())
.with_style(&settings.theme.workspace.sidebar.resize_handle)
.boxed()