neurocyte/flow
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Fix half and whole page movements

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João Pedro 2025-01-09 22:17:43 -03:00 • committed by CJ van den Berg
parent 5300e3346d
commit a21f0e6ac5
3 changed files with 91 additions and 6 deletions
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18
src/buffer/Cursor.zig
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@ -103,6 +103,24 @@ pub fn move_page_down(self: *Self, root: Buffer.Root, view: *const View, metrics
self.move_right_no_target(root, metrics) catch return;
}
pub fn move_half_page_up(self: *Self, root: Buffer.Root, view: *const View, metrics: Metrics) void {
const half_view_rows = @divTrunc(view.rows, 2);
self.row = if (self.row > half_view_rows) self.row - half_view_rows else 0;
self.follow_target(root, metrics);
self.move_left_no_target(root, metrics) catch return;
self.move_right_no_target(root, metrics) catch return;
}
pub fn move_half_page_down(self: *Self, root: Buffer.Root, view: *const View, metrics: Metrics) void {
const half_view_rows = @divTrunc(view.rows, 2);
if (root.lines() > self.row + half_view_rows) {
self.row += half_view_rows;
} else self.move_buffer_last(root, metrics);
self.follow_target(root, metrics);
self.move_left_no_target(root, metrics) catch return;
self.move_right_no_target(root, metrics) catch return;
}
pub fn move_to(self: *Self, root: Buffer.Root, row: usize, col: usize, metrics: Metrics) !void {
if (row < root.lines()) {
self.row = row;