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feat: add configuration options for editor scrolling parameters

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This commit is contained in:
CJ van den Berg 2026-01-31 20:19:40 +01:00
parent 05959d99be
commit 4858821ebb
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
2 changed files with 16 additions and 7 deletions
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3
src/config.zig
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@ -53,6 +53,9 @@ show_scrollbars: bool = true,
show_fileicons: bool = true,
show_local_diagnostics_in_panel: bool = false,
scrollbar_auto_hide: bool = true,
scroll_step_vertical: usize = 3,
scroll_step_horizontal: usize = 5,
scroll_cursor_min_border_distance: usize = 5,
start_debugger_on_crash: bool = false,

20
src/tui/editor.zig
View file

@ -36,11 +36,6 @@ pub const Selection = Buffer.Selection;
const Allocator = std.mem.Allocator;
const time = std.time;
const scroll_step_small = 3;
const scroll_step_horizontal = 5;
const scroll_step_horizontal_fast = scroll_step_horizontal * 5;
const scroll_cursor_min_border_distance = 5;
const double_click_time_ms = 350;
const syntax_full_reparse_time_limit = 0; // ms (0 = always use incremental)
const syntax_full_reparse_error_threshold = 3; // number of tree-sitter errors that trigger a full reparse
@ -2879,6 +2874,7 @@ pub const Editor = struct {
}
pub fn update_scroll_dest_abs(self: *Self, dest: usize) void {
const scroll_cursor_min_border_distance = tui.config().scroll_cursor_min_border_distance;
const root = self.buf_root() catch return;
const max_view = if (root.lines() <= scroll_cursor_min_border_distance) 0 else root.lines() - scroll_cursor_min_border_distance;
self.scroll_dest = @min(dest, max_view);
@ -2886,14 +2882,16 @@ pub const Editor = struct {
}
fn scroll_up(self: *Self) void {
const scroll_step_vertical = tui.config().scroll_step_vertical;
var dest_row = self.scroll_dest;
dest_row = if (dest_row > scroll_step_small) dest_row - scroll_step_small else 0;
dest_row = if (dest_row > scroll_step_vertical) dest_row - scroll_step_vertical else 0;
self.update_scroll_dest_abs(dest_row);
}
fn scroll_down(self: *Self) void {
const scroll_step_vertical = tui.config().scroll_step_vertical;
var dest_row = self.scroll_dest;
dest_row += scroll_step_small;
dest_row += scroll_step_vertical;
self.update_scroll_dest_abs(dest_row);
}
@ -2946,6 +2944,7 @@ pub const Editor = struct {
pub const scroll_view_center_meta: Meta = .{ .description = "Scroll cursor to center of view" };
pub fn scroll_view_center_cycle(self: *Self, _: Context) Result {
const scroll_cursor_min_border_distance = tui.config().scroll_cursor_min_border_distance;
const cursor_row = self.get_primary().cursor.row;
return if (cursor_row == self.view.row + scroll_cursor_min_border_distance)
self.scroll_view_bottom(.{})
@ -2957,11 +2956,13 @@ pub const Editor = struct {
pub const scroll_view_center_cycle_meta: Meta = .{ .description = "Scroll cursor to center/top/bottom of view" };
pub fn scroll_view_top(self: *Self, _: Context) Result {
const scroll_cursor_min_border_distance = tui.config().scroll_cursor_min_border_distance;
return self.scroll_view_offset(scroll_cursor_min_border_distance);
}
pub const scroll_view_top_meta: Meta = .{};
pub fn scroll_view_bottom(self: *Self, _: Context) Result {
const scroll_cursor_min_border_distance = tui.config().scroll_cursor_min_border_distance;
return self.scroll_view_offset(if (self.view.rows > scroll_cursor_min_border_distance) self.view.rows - scroll_cursor_min_border_distance else 0);
}
pub const scroll_view_bottom_meta: Meta = .{};
@ -4279,6 +4280,8 @@ pub const Editor = struct {
pub const move_scroll_down_meta: Meta = .{ .description = "Move and scroll down", .arguments = &.{.integer} };
pub fn move_scroll_left(self: *Self, _: Context) Result {
const scroll_step_horizontal = tui.config().scroll_step_horizontal;
const scroll_step_horizontal_fast = scroll_step_horizontal * 5;
if (tui.fast_scroll())
self.view.move_left(scroll_step_horizontal_fast) catch {}
else
@ -4287,6 +4290,8 @@ pub const Editor = struct {
pub const move_scroll_left_meta: Meta = .{ .description = "Scroll left" };
pub fn move_scroll_right(self: *Self, _: Context) Result {
const scroll_step_horizontal = tui.config().scroll_step_horizontal;
const scroll_step_horizontal_fast = scroll_step_horizontal * 5;
if (tui.fast_scroll())
self.view.move_right(scroll_step_horizontal_fast) catch {}
else
@ -6207,6 +6212,7 @@ pub const Editor = struct {
const cursor = sel.begin;
const range_height = sel.end.row - sel.begin.row + 1;
const view_height = self.view.rows;
const scroll_cursor_min_border_distance = tui.config().scroll_cursor_min_border_distance;
const offset = if (range_height > view_height - @min(view_height, scroll_cursor_min_border_distance * 2))
scroll_cursor_min_border_distance
else