dan/gpui-component
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

editor: Improve scroll to support position at the edge of the editor on click. (#1672)

Browse source 
But if we use `Up`, `Down` to move the cursor, it still will keep 3
lines.

https://github.com/user-attachments/assets/4310a4cc-3829-4190-9be9-e7159c688884
This commit is contained in:
Jason Lee 2025-11-24 17:37:59 +08:00 committed by GitHub
parent 8144085077
commit dae5fcd8aa
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
5 changed files with 78 additions and 39 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
crates/ui/src/input/lsp/definitions.rs
View file

@ -1,13 +1,13 @@
use anyhow::Result;
use gpui::{
px, App, Context, HighlightStyle, Hitbox, MouseDownEvent, Task, UnderlineStyle, Window,
App, Context, HighlightStyle, Hitbox, MouseDownEvent, Task, UnderlineStyle, Window, px,
};
use ropey::Rope;
use std::{ops::Range, rc::Rc};
use crate::{
input::{element::TextElement, GoToDefinition, InputState, RopeExt},
ActiveTheme,
input::{GoToDefinition, InputState, RopeExt, element::TextElement},
};
/// Definition provider
@ -172,7 +172,7 @@ impl InputState {
let start = self.text.position_to_offset(&target_range.start);
let end = self.text.position_to_offset(&target_range.end);
self.move_to(start, cx);
self.move_to(start, None, cx);
self.select_to(end, cx);
}
}

44
crates/ui/src/input/movement.rs
View file

@ -5,6 +5,12 @@ use crate::input::{
MoveToEnd, MoveToNextWord, MoveToPreviousWord, MoveToStart, MoveUp, RopeExt as _,
};
#[derive(Clone, Copy, PartialEq, Eq)]
pub(crate) enum MoveDirection {
Up,
Down,
}
impl InputState {
/// Called after moving the cursor. Updates preferred_column if we know where the cursor now is.
pub(super) fn update_preferred_column(&mut self) {
@ -33,10 +39,15 @@ impl InputState {
/// The offset is the UTF-8 offset.
///
/// Ensure the offset use self.next_boundary or self.previous_boundary to get the correct offset.
pub(crate) fn move_to(&mut self, offset: usize, cx: &mut Context<Self>) {
pub(crate) fn move_to(
&mut self,
offset: usize,
direction: Option<MoveDirection>,
cx: &mut Context<Self>,
) {
let offset = offset.clamp(0, self.text.len());
self.selected_range = (offset..offset).into();
self.scroll_to(offset, cx);
self.scroll_to(offset, direction, cx);
self.pause_blink_cursor(cx);
self.update_preferred_column();
self.hide_context_menu(cx);
@ -93,7 +104,12 @@ impl InputState {
}
self.pause_blink_cursor(cx);
self.move_to(new_offset, cx);
let direction = if move_lines < 0 {
MoveDirection::Up
} else {
MoveDirection::Down
};
self.move_to(new_offset, Some(direction), cx);
// Set back the preferred_column
self.preferred_column = was_preferred_column;
cx.notify();
@ -102,18 +118,18 @@ impl InputState {
pub(super) fn left(&mut self, _: &MoveLeft, _: &mut Window, cx: &mut Context<Self>) {
self.pause_blink_cursor(cx);
if self.selected_range.is_empty() {
self.move_to(self.previous_boundary(self.cursor()), cx);
self.move_to(self.previous_boundary(self.cursor()), None, cx);
} else {
self.move_to(self.selected_range.start, cx)
self.move_to(self.selected_range.start, None, cx)
}
}
pub(super) fn right(&mut self, _: &MoveRight, _: &mut Window, cx: &mut Context<Self>) {
self.pause_blink_cursor(cx);
if self.selected_range.is_empty() {
self.move_to(self.next_boundary(self.selected_range.end), cx);
self.move_to(self.next_boundary(self.selected_range.end), None, cx);
} else {
self.move_to(self.selected_range.end, cx)
self.move_to(self.selected_range.end, None, cx)
}
}
@ -129,6 +145,7 @@ impl InputState {
if !self.selected_range.is_empty() {
self.move_to(
self.previous_boundary(self.selected_range.start.saturating_sub(1)),
Some(MoveDirection::Up),
cx,
);
}
@ -148,6 +165,7 @@ impl InputState {
if !self.selected_range.is_empty() {
self.move_to(
self.next_boundary(self.selected_range.end.saturating_sub(1)),
Some(MoveDirection::Down),
cx,
);
}
@ -190,13 +208,13 @@ impl InputState {
pub(super) fn home(&mut self, _: &MoveHome, _: &mut Window, cx: &mut Context<Self>) {
self.pause_blink_cursor(cx);
let offset = self.start_of_line();
self.move_to(offset, cx);
self.move_to(offset, Some(MoveDirection::Up), cx);
}
pub(super) fn end(&mut self, _: &MoveEnd, _: &mut Window, cx: &mut Context<Self>) {
self.pause_blink_cursor(cx);
let offset = self.end_of_line();
self.move_to(offset, cx);
self.move_to(offset, Some(MoveDirection::Down), cx);
}
pub(super) fn move_to_start(
@ -205,11 +223,11 @@ impl InputState {
_: &mut Window,
cx: &mut Context<Self>,
) {
self.move_to(0, cx);
self.move_to(0, None, cx);
}
pub(super) fn move_to_end(&mut self, _: &MoveToEnd, _: &mut Window, cx: &mut Context<Self>) {
self.move_to(self.text.len(), cx);
self.move_to(self.text.len(), None, cx);
}
pub(super) fn move_to_previous_word(
@ -219,7 +237,7 @@ impl InputState {
cx: &mut Context<Self>,
) {
let offset = self.previous_start_of_word();
self.move_to(offset, cx);
self.move_to(offset, None, cx);
}
pub(super) fn move_to_next_word(
@ -229,6 +247,6 @@ impl InputState {
cx: &mut Context<Self>,
) {
let offset = self.next_end_of_word();
self.move_to(offset, cx);
self.move_to(offset, None, cx);
}
}

12
crates/ui/src/input/popovers/context_menu.rs
View file

@ -1,14 +1,14 @@
use gpui::{
anchored, deferred, div, prelude::FluentBuilder as _, px, App, AppContext as _, Context,
Corner, DismissEvent, Entity, IntoElement, MouseDownEvent, ParentElement as _, Pixels, Point,
Render, Styled, Subscription, Window,
App, AppContext as _, Context, Corner, DismissEvent, Entity, IntoElement, MouseDownEvent,
ParentElement as _, Pixels, Point, Render, Styled, Subscription, Window, anchored, deferred,
div, prelude::FluentBuilder as _, px,
};
use rust_i18n::t;
use crate::{
input::{self, popovers::ContextMenu, InputState},
menu::PopupMenu,
ActiveTheme as _,
input::{self, InputState, popovers::ContextMenu},
menu::PopupMenu,
};
/// Context menu for mouse right clicks.
@ -31,7 +31,7 @@ impl InputState {
) {
// Show Mouse context menu
if !self.selected_range.contains(offset) {
self.move_to(offset, cx);
self.move_to(offset, None, cx);
}
self.context_menu = Some(ContextMenu::MouseContext(self.mouse_context_menu.clone()));

22
crates/ui/src/input/search.rs
View file

@ -3,19 +3,23 @@ use rust_i18n::t;
use std::{ops::Range, rc::Rc};
use gpui::{
actions, canvas, div, prelude::FluentBuilder as _, App, AppContext as _, Context, Empty,
Entity, FocusHandle, Focusable, Half, InteractiveElement as _, IntoElement, KeyBinding,
ParentElement as _, Pixels, Render, Styled, Subscription, Window,
App, AppContext as _, Context, Empty, Entity, FocusHandle, Focusable, Half,
InteractiveElement as _, IntoElement, KeyBinding, ParentElement as _, Pixels, Render, Styled,
Subscription, Window, actions, canvas, div, prelude::FluentBuilder as _,
};
use ropey::Rope;
use crate::{
ActiveTheme, Disableable, IconName, Selectable, Sizable,
actions::SelectUp,
button::{Button, ButtonVariants},
h_flex,
input::{Enter, Escape, IndentInline, Input, InputEvent, InputState, RopeExt as _, Search},
input::{
Enter, Escape, IndentInline, Input, InputEvent, InputState, RopeExt as _, Search,
movement::MoveDirection,
},
label::Label,
v_flex, ActiveTheme, Disableable, IconName, Selectable, Sizable,
v_flex,
};
const CONTEXT: &'static str = "SearchPanel";
@ -309,7 +313,7 @@ impl SearchPanel {
fn prev(&mut self, _: &mut Window, cx: &mut Context<Self>) {
if let Some(range) = self.matcher.next_back() {
self.editor.update(cx, |state, cx| {
state.scroll_to(range.start, cx);
state.scroll_to(range.start, Some(MoveDirection::Up), cx);
});
}
}
@ -317,7 +321,7 @@ impl SearchPanel {
fn next(&mut self, _: &mut Window, cx: &mut Context<Self>) {
if let Some(range) = self.matcher.next() {
self.editor.update(cx, |state, cx| {
state.scroll_to(range.end, cx);
state.scroll_to(range.end, Some(MoveDirection::Down), cx);
});
}
}
@ -346,7 +350,7 @@ impl SearchPanel {
cx.update(|window, cx| {
text_state.update(cx, |state, cx| {
let range_utf16 = state.range_to_utf16(&range);
state.scroll_to(next_range.end, cx);
state.scroll_to(next_range.end, Some(MoveDirection::Down), cx);
state.replace_text_in_range_silent(
Some(range_utf16),
new_text.as_str(),
@ -383,7 +387,7 @@ impl SearchPanel {
window,
cx,
);
state.scroll_to(0, cx);
state.scroll_to(0, Some(MoveDirection::Down), cx);
});
})
})

33
crates/ui/src/input/state.rs
View file

@ -23,6 +23,7 @@ use super::{
mask_pattern::MaskPattern, mode::InputMode, number_input, text_wrapper::TextWrapper,
};
use crate::actions::{SelectDown, SelectLeft, SelectRight, SelectUp};
use crate::input::movement::MoveDirection;
use crate::input::{
HoverDefinition, Lsp, Position,
element::RIGHT_MARGIN,
@ -825,7 +826,7 @@ impl InputState {
let position: Position = position.into();
let offset = self.text.position_to_offset(&position);
self.move_to(offset, cx);
self.move_to(offset, None, cx);
self.update_preferred_column();
self.focus(window, cx);
}
@ -1178,7 +1179,7 @@ impl InputState {
pub(super) fn clean(&mut self, window: &mut Window, cx: &mut Context<Self>) {
self.replace_text("", window, cx);
self.selected_range = (0..0).into();
self.scroll_to(0, cx);
self.scroll_to(0, None, cx);
}
pub(super) fn escape(&mut self, action: &Escape, window: &mut Window, cx: &mut Context<Self>) {
@ -1233,7 +1234,7 @@ impl InputState {
if event.modifiers.shift {
self.select_to(offset, cx);
} else {
self.move_to(offset, cx)
self.move_to(offset, None, cx)
}
}
@ -1331,7 +1332,15 @@ impl InputState {
cx.notify();
}
pub(crate) fn scroll_to(&mut self, offset: usize, cx: &mut Context<Self>) {
/// Scroll to make the given offset visible.
///
/// If `direction` is Some, will keep edges at the same side.
pub(crate) fn scroll_to(
&mut self,
offset: usize,
direction: Option<MoveDirection>,
cx: &mut Context<Self>,
) {
let Some(last_layout) = self.last_layout.as_ref() else {
return;
};
@ -1340,6 +1349,7 @@ impl InputState {
};
let mut scroll_offset = self.scroll_handle.offset();
let was_offset = scroll_offset;
let line_height = last_layout.line_height;
let point = self.text.offset_to_point(offset);
@ -1375,19 +1385,26 @@ impl InputState {
// Check if row_offset_y is out of the viewport
// If row offset is not in the viewport, scroll to make it visible
let edge_height = if self.mode.is_code_editor() {
let edge_height = if direction.is_some() && self.mode.is_code_editor() {
3 * line_height
} else {
line_height
};
if row_offset_y - edge_height < -scroll_offset.y {
if row_offset_y - edge_height + line_height < -scroll_offset.y {
// Scroll up
scroll_offset.y = -row_offset_y + edge_height;
scroll_offset.y = -row_offset_y + edge_height - line_height;
} else if row_offset_y + edge_height > -scroll_offset.y + bounds.size.height {
// Scroll down
scroll_offset.y = -(row_offset_y - bounds.size.height + edge_height);
}
// Avoid necessary scroll, when it was already in the correct position.
if direction == Some(MoveDirection::Up) {
scroll_offset.y = scroll_offset.y.max(was_offset.y);
} else if direction == Some(MoveDirection::Down) {
scroll_offset.y = scroll_offset.y.min(was_offset.y);
}
scroll_offset.x = scroll_offset.x.min(px(0.));
scroll_offset.y = scroll_offset.y.min(px(0.));
self.deferred_scroll_offset = Some(scroll_offset);
@ -1431,7 +1448,7 @@ impl InputState {
}
self.replace_text_in_range_silent(None, &new_text, window, cx);
self.scroll_to(self.cursor(), cx);
self.scroll_to(self.cursor(), None, cx);
}
}