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rivertile: Use saturating arithmetics to prevent over-/underflow when using user defined values

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This commit is contained in:
Leon Henrik Plickat 2022-02-19 13:53:42 +01:00 committed by Isaac Freund
parent e67a9423a8
commit e857631936
1 changed files with 14 additions and 14 deletions
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28
rivertile/main.zig
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@ -201,12 +201,12 @@ const Output = struct {
0;
const usable_width = switch (output.main_location) {
.left, .right => ev.usable_width - 2 * outer_padding,
.top, .bottom => ev.usable_height - 2 * outer_padding,
.left, .right => ev.usable_width -| (2 *| outer_padding),
.top, .bottom => ev.usable_height -| (2 *| outer_padding),
};
const usable_height = switch (output.main_location) {
.left, .right => ev.usable_height - 2 * outer_padding,
.top, .bottom => ev.usable_width - 2 * outer_padding,
.left, .right => ev.usable_height -| (2 *| outer_padding),
.top, .bottom => ev.usable_width -| (2 *| outer_padding),
};
// to make things pixel-perfect, we make the first main and first secondary
@ -258,10 +258,10 @@ const Output = struct {
height = secondary_height + if (i == main_count) secondary_height_rem else 0;
}
x += @intCast(i32, view_padding);
y += @intCast(i32, view_padding);
width -= 2 * view_padding;
height -= 2 * view_padding;
x +|= @intCast(i32, view_padding);
y +|= @intCast(i32, view_padding);
width -|= 2 *| view_padding;
height -|= 2 *| view_padding;
switch (output.main_location) {
.left => layout.pushViewDimensions(
@ -272,22 +272,22 @@ const Output = struct {
ev.serial,
),
.right => layout.pushViewDimensions(
@intCast(i32, usable_width - width) - x + @intCast(i32, outer_padding),
y + @intCast(i32, outer_padding),
@intCast(i32, usable_width - width) - x +| @intCast(i32, outer_padding),
y +| @intCast(i32, outer_padding),
width,
height,
ev.serial,
),
.top => layout.pushViewDimensions(
y + @intCast(i32, outer_padding),
x + @intCast(i32, outer_padding),
y +| @intCast(i32, outer_padding),
x +| @intCast(i32, outer_padding),
height,
width,
ev.serial,
),
.bottom => layout.pushViewDimensions(
y + @intCast(i32, outer_padding),
@intCast(i32, usable_width - width) - x + @intCast(i32, outer_padding),
y +| @intCast(i32, outer_padding),
@intCast(i32, usable_width - width) - x +| @intCast(i32, outer_padding),
height,
width,
ev.serial,