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feat: position cursor at closest glyph boundary on click when beam cursor is enabled

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closes #99
This commit is contained in:
CJ van den Berg 2025-01-03 13:52:47 +01:00
parent 18b0c217fc
commit dd042e2fdd
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
3 changed files with 33 additions and 8 deletions
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11
src/renderer/vaxis/Plane.zig
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@ -89,6 +89,17 @@ pub inline fn dim_x(self: Plane) c_uint {
return @intCast(self.window.width);
}
pub fn abs_yx_to_rel_nearest_x(self: Plane, y: c_int, x: c_int, xoffset: c_int) struct { c_int, c_int } {
if (self.window.screen.width == 0 or self.window.screen.height == 0) return self.abs_yx_to_rel(y, x);
const xextra = self.window.screen.width_pix % self.window.screen.width;
const xcell = (self.window.screen.width_pix - xextra) / self.window.screen.width;
if (xcell == 0)
return self.abs_yx_to_rel(y, x);
if (xoffset > xcell / 2)
return self.abs_yx_to_rel(y, x + 1);
return self.abs_yx_to_rel(y, x);
}
pub fn abs_yx_to_rel(self: Plane, y: c_int, x: c_int) struct { c_int, c_int } {
return .{ y - self.abs_y(), x - self.abs_x() };
}