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wip: design

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reya
2025-01-15 09:11:21 +07:00
parent e8b34ae69e
commit ec24bba69c
35 changed files with 534 additions and 1566 deletions
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255
crates/ui/src/input/input.rs
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@@ -23,18 +23,15 @@ use gpui::{
// - Press Up,Down to move cursor up, down line if multi-line
// - Move cursor to skip line eof empty chars.
use super::blink_cursor::BlinkCursor;
use super::change::Change;
use super::element::TextElement;
use super::ClearButton;
use super::{blink_cursor::BlinkCursor, change::Change, element::TextElement, ClearButton};
use crate::history::History;
use crate::indicator::Indicator;
use crate::scroll::{Scrollbar, ScrollbarAxis, ScrollbarState};
use crate::theme::ActiveTheme;
use crate::Size;
use crate::StyledExt;
use crate::{Sizable, StyleSized};
use crate::{
history::History,
indicator::Indicator,
scroll::{Scrollbar, ScrollbarAxis, ScrollbarState},
theme::{scale::ColorScaleStep, ActiveTheme},
Sizable, Size, StyleSized, StyledExt,
};
actions!(
input,
@@ -55,7 +52,9 @@ actions!(
SelectAll,
Home,
End,
SelectToHome,
SelectToStartOfLine,
SelectToEndOfLine,
SelectToStart,
SelectToEnd,
ShowCharacterPalette,
Copy,
@@ -65,6 +64,8 @@ actions!(
Redo,
MoveToStartOfLine,
MoveToEndOfLine,
MoveToStart,
MoveToEnd,
TextChanged,
]
);
@@ -98,16 +99,16 @@ pub fn init(cx: &mut AppContext) {
KeyBinding::new("shift-down", SelectDown, Some(CONTEXT)),
KeyBinding::new("home", Home, Some(CONTEXT)),
KeyBinding::new("end", End, Some(CONTEXT)),
KeyBinding::new("shift-home", SelectToHome, Some(CONTEXT)),
KeyBinding::new("shift-end", SelectToEnd, Some(CONTEXT)),
KeyBinding::new("shift-home", SelectToStartOfLine, Some(CONTEXT)),
KeyBinding::new("shift-end", SelectToEndOfLine, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("ctrl-shift-a", SelectToHome, Some(CONTEXT)),
KeyBinding::new("ctrl-shift-a", SelectToStartOfLine, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("ctrl-shift-e", SelectToEnd, Some(CONTEXT)),
KeyBinding::new("ctrl-shift-e", SelectToEndOfLine, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("shift-cmd-left", SelectToHome, Some(CONTEXT)),
KeyBinding::new("shift-cmd-left", SelectToStartOfLine, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("shift-cmd-right", SelectToEnd, Some(CONTEXT)),
KeyBinding::new("shift-cmd-right", SelectToEndOfLine, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("ctrl-cmd-space", ShowCharacterPalette, Some(CONTEXT)),
#[cfg(target_os = "macos")]
@@ -138,6 +139,14 @@ pub fn init(cx: &mut AppContext) {
KeyBinding::new("cmd-z", Undo, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("cmd-shift-z", Redo, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("cmd-up", MoveToStart, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("cmd-down", MoveToEnd, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("cmd-shift-up", SelectToStart, Some(CONTEXT)),
#[cfg(target_os = "macos")]
KeyBinding::new("cmd-shift-down", SelectToEnd, Some(CONTEXT)),
#[cfg(not(target_os = "macos"))]
KeyBinding::new("ctrl-z", Undo, Some(CONTEXT)),
#[cfg(not(target_os = "macos"))]
@@ -145,7 +154,8 @@ pub fn init(cx: &mut AppContext) {
]);
}
type Affixes<T> = Option<Box<dyn Fn(&mut ViewContext<T>) -> AnyElement + 'static>>;
type TextInputPrefix<T> = Option<Box<dyn Fn(&mut ViewContext<T>) -> AnyElement + 'static>>;
type TextInputSuffix<T> = Option<Box<dyn Fn(&mut ViewContext<T>) -> AnyElement + 'static>>;
type Validate = Option<Box<dyn Fn(&str) -> bool + 'static>>;
pub struct TextInput {
@@ -154,8 +164,8 @@ pub struct TextInput {
multi_line: bool,
pub(super) history: History<Change>,
pub(super) blink_cursor: Model<BlinkCursor>,
pub(super) prefix: Affixes<Self>,
pub(super) suffix: Affixes<Self>,
pub(super) prefix: TextInputPrefix<Self>,
pub(super) suffix: TextInputSuffix<Self>,
pub(super) loading: bool,
pub(super) placeholder: SharedString,
pub(super) selected_range: Range<usize>,
@@ -186,6 +196,8 @@ pub struct TextInput {
scrollbar_state: Rc<Cell<ScrollbarState>>,
/// The size of the scrollable content.
pub(crate) scroll_size: gpui::Size<Pixels>,
/// To remember the horizontal column (x-coordinate) of the cursor position.
preferred_x_offset: Option<Pixels>,
}
impl EventEmitter<InputEvent> for TextInput {}
@@ -228,6 +240,7 @@ impl TextInput {
scroll_handle: ScrollHandle::new(),
scrollbar_state: Rc::new(Cell::new(ScrollbarState::default())),
scroll_size: gpui::size(px(0.), px(0.)),
preferred_x_offset: None,
};
// Observe the blink cursor to repaint the view when it changes.
@@ -258,6 +271,133 @@ impl TextInput {
self
}
/// Called after moving the cursor. Updates preferred_x_offset if we know where the cursor now is.
fn update_preferred_x_offset(&mut self, _cx: &mut ViewContext<Self>) {
if let (Some(lines), Some(bounds)) = (&self.last_layout, &self.last_bounds) {
let offset = self.cursor_offset();
let line_height = self.last_line_height;
// Find which line and sub-line the cursor is on and its position
let (_line_index, _sub_line_index, cursor_pos) =
self.line_and_position_for_offset(offset, lines, line_height);
if let Some(pos) = cursor_pos {
// Adjust by scroll offset
let scroll_offset = bounds.origin;
self.preferred_x_offset = Some(pos.x + scroll_offset.x);
}
}
}
/// Find which line and sub-line the given offset belongs to, along with the position within that sub-line.
fn line_and_position_for_offset(
&self,
offset: usize,
lines: &[WrappedLine],
line_height: Pixels,
) -> (usize, usize, Option<Point<Pixels>>) {
let mut prev_lines_offset = 0;
let mut y_offset = px(0.);
for (line_index, line) in lines.iter().enumerate() {
let local_offset = offset.saturating_sub(prev_lines_offset);
if let Some(pos) = line.position_for_index(local_offset, line_height) {
let sub_line_index = (pos.y.0 / line_height.0) as usize;
let adjusted_pos = point(pos.x, pos.y + y_offset);
return (line_index, sub_line_index, Some(adjusted_pos));
}
y_offset += line.size(line_height).height;
prev_lines_offset += line.len() + 1;
}
(0, 0, None)
}
/// Move the cursor vertically by one line (up or down) while preserving the column if possible.
/// direction: -1 for up, +1 for down
fn move_vertical(&mut self, direction: i32, cx: &mut ViewContext<Self>) {
if self.is_single_line() {
return;
}
let (Some(lines), Some(bounds)) = (&self.last_layout, &self.last_bounds) else {
return;
};
let offset = self.cursor_offset();
let line_height = self.last_line_height;
let (current_line_index, current_sub_line, current_pos) =
self.line_and_position_for_offset(offset, lines, line_height);
let Some(current_pos) = current_pos else {
return;
};
let current_x = self
.preferred_x_offset
.unwrap_or_else(|| current_pos.x + bounds.origin.x);
let mut new_line_index = current_line_index;
let mut new_sub_line = current_sub_line as i32;
new_sub_line += direction;
// Handle moving above the first line
if direction == -1 && new_line_index == 0 && new_sub_line < 0 {
// Move cursor to the beginning of the text
self.move_to(0, cx);
return;
}
if new_sub_line < 0 {
if new_line_index > 0 {
new_line_index -= 1;
new_sub_line = lines[new_line_index].wrap_boundaries.len() as i32;
} else {
new_sub_line = 0;
}
} else {
let max_sub_line = lines[new_line_index].wrap_boundaries.len() as i32;
if new_sub_line > max_sub_line {
if new_line_index < lines.len() - 1 {
new_line_index += 1;
new_sub_line = 0;
} else {
new_sub_line = max_sub_line;
}
}
}
// If after adjustment, still at the same position, do not proceed
if new_line_index == current_line_index && new_sub_line == current_sub_line as i32 {
return;
}
let target_line = &lines[new_line_index];
let line_x = current_x - bounds.origin.x;
let target_sub_line = new_sub_line as usize;
let approx_pos = point(line_x, px(target_sub_line as f32 * line_height.0));
let index_res = target_line.index_for_position(approx_pos, line_height);
let new_local_index = match index_res {
Ok(i) => i + 1,
Err(i) => i,
};
let mut prev_lines_offset = 0;
for (i, l) in lines.iter().enumerate() {
if i == new_line_index {
break;
}
prev_lines_offset += l.len() + 1;
}
let new_offset = (prev_lines_offset + new_local_index).min(self.text.len());
self.selected_range = new_offset..new_offset;
self.pause_blink_cursor(cx);
cx.notify();
}
#[inline]
pub(super) fn is_multi_line(&self) -> bool {
self.multi_line
@@ -444,9 +584,7 @@ impl TextInput {
return;
}
self.pause_blink_cursor(cx);
let offset = self.start_of_line(cx).saturating_sub(1);
self.move_to(offset, cx);
self.move_vertical(-1, cx);
}
fn down(&mut self, _: &Down, cx: &mut ViewContext<Self>) {
@@ -454,9 +592,7 @@ impl TextInput {
return;
}
self.pause_blink_cursor(cx);
let offset = (self.end_of_line(cx) + 1).min(self.text.len());
self.move_to(offset, cx);
self.move_vertical(1, cx);
}
fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
@@ -500,12 +636,30 @@ impl TextInput {
self.move_to(offset, cx);
}
fn select_to_home(&mut self, _: &SelectToHome, cx: &mut ViewContext<Self>) {
fn move_to_start(&mut self, _: &MoveToStart, cx: &mut ViewContext<Self>) {
self.move_to(0, cx);
}
fn move_to_end(&mut self, _: &MoveToEnd, cx: &mut ViewContext<Self>) {
let end = self.text.len();
self.move_to(end, cx);
}
fn select_to_start(&mut self, _: &SelectToStart, cx: &mut ViewContext<Self>) {
self.select_to(0, cx);
}
fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
let end = self.text.len();
self.select_to(end, cx);
}
fn select_to_start_of_line(&mut self, _: &SelectToStartOfLine, cx: &mut ViewContext<Self>) {
let offset = self.start_of_line(cx);
self.select_to(offset, cx);
}
fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
fn select_to_end_of_line(&mut self, _: &SelectToEndOfLine, cx: &mut ViewContext<Self>) {
let offset = self.end_of_line(cx);
self.select_to(offset, cx);
}
@@ -594,10 +748,15 @@ impl TextInput {
fn enter(&mut self, _: &Enter, cx: &mut ViewContext<Self>) {
if self.is_multi_line() {
let is_eof = self.selected_range.end == self.text.len();
self.replace_text_in_range(None, "\n", cx);
// Move cursor to the start of the next line
// TODO: To be test this line is valid
self.move_to(self.next_boundary(self.cursor_offset()) - 1, cx);
let mut new_offset = self.next_boundary(self.cursor_offset()) - 1;
if is_eof {
new_offset += 1;
}
self.move_to(new_offset, cx);
}
cx.emit(InputEvent::PressEnter);
@@ -721,6 +880,7 @@ impl TextInput {
fn move_to(&mut self, offset: usize, cx: &mut ViewContext<Self>) {
self.selected_range = offset..offset;
self.pause_blink_cursor(cx);
self.update_preferred_x_offset(cx);
cx.notify()
}
@@ -848,7 +1008,9 @@ impl TextInput {
self.selected_range.end = word_range.end;
}
}
if self.selected_range.is_empty() {
self.update_preferred_x_offset(cx);
}
cx.notify()
}
@@ -1084,6 +1246,7 @@ impl ViewInputHandler for TextInput {
self.text = pending_text;
self.selected_range = range.start + new_text.len()..range.start + new_text.len();
self.marked_range.take();
self.update_preferred_x_offset(cx);
cx.emit(InputEvent::Change(self.text.clone()));
cx.notify();
}
@@ -1192,11 +1355,21 @@ impl Render for TextInput {
.on_action(cx.listener(Self::right))
.on_action(cx.listener(Self::select_left))
.on_action(cx.listener(Self::select_right))
.when(self.multi_line, |this| {
this.on_action(cx.listener(Self::up))
.on_action(cx.listener(Self::down))
.on_action(cx.listener(Self::select_up))
.on_action(cx.listener(Self::select_down))
})
.on_action(cx.listener(Self::select_all))
.on_action(cx.listener(Self::select_to_home))
.on_action(cx.listener(Self::select_to_end))
.on_action(cx.listener(Self::select_to_start_of_line))
.on_action(cx.listener(Self::select_to_end_of_line))
.on_action(cx.listener(Self::home))
.on_action(cx.listener(Self::end))
.on_action(cx.listener(Self::move_to_start))
.on_action(cx.listener(Self::move_to_end))
.on_action(cx.listener(Self::select_to_start))
.on_action(cx.listener(Self::select_to_end))
.on_action(cx.listener(Self::show_character_palette))
.on_action(cx.listener(Self::copy))
.on_action(cx.listener(Self::paste))
@@ -1214,21 +1387,13 @@ impl Render for TextInput {
.input_h(self.size)
.input_text_size(self.text_size)
.cursor_text()
.when(self.multi_line, |this| {
this.on_action(cx.listener(Self::up))
.on_action(cx.listener(Self::down))
.on_action(cx.listener(Self::select_up))
.on_action(cx.listener(Self::select_down))
.h_auto()
})
.when(self.multi_line, |this| this.h_auto())
.when(self.appearance, |this| {
this.bg(if self.disabled {
cx.theme().muted
cx.theme().base.step(cx, ColorScaleStep::FOUR)
} else {
cx.theme().background
})
.border_color(cx.theme().input)
.border_1()
.rounded(px(cx.theme().radius))
.when(cx.theme().shadow, |this| this.shadow_sm())
.when(focused, |this| this.outline(cx))
@@ -1246,7 +1411,7 @@ impl Render for TextInput {
.child(TextElement::new(cx.view().clone())),
)
.when(self.loading, |this| {
this.child(Indicator::new().color(cx.theme().muted_foreground))
this.child(Indicator::new().color(cx.theme().base.step(cx, ColorScaleStep::ELEVEN)))
})
.when(
self.cleanable && !self.loading && !self.text.is_empty() && self.is_single_line(),