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Merge pull request #1576 from mitchellh/undefined

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core: remove undefined access on variable
This commit is contained in:
Mitchell Hashimoto
2024-03-10 17:48:23 -07:00
committed by GitHub
parent 60065e4195 08f88a0c86
commit 66dac92cd6
1 changed files with 24 additions and 25 deletions
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49
src/Surface.zig
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@ -2799,35 +2799,34 @@ fn dragLeftClickSingle(
// Resets the selection if we switched directions, depending on the select
// mode. See dragLeftClickSingle for more details.
fn checkResetSelSwitch(self: *Surface, screen_point: terminal.point.ScreenPoint) void {
var reset: bool = undefined;
if (self.io.terminal.screen.selection) |sel| {
if (sel.rectangle) {
// When we're in rectangle mode, we reset the selection relative to
// the click point depending on the selection mode we're in, with
// the exception of single-column selections, which we always reset
// on if we drift.
if (sel.start.x == sel.end.x) {
reset = screen_point.x != sel.start.x;
} else {
reset = switch (sel.order()) {
.forward => screen_point.x < sel.start.x or screen_point.y < sel.start.y,
.reverse => screen_point.x > sel.start.x or screen_point.y > sel.start.y,
.mirrored_forward => screen_point.x > sel.start.x or screen_point.y < sel.start.y,
.mirrored_reverse => screen_point.x < sel.start.x or screen_point.y > sel.start.y,
};
}
const sel = self.io.terminal.screen.selection orelse return;
var reset: bool = false;
if (sel.rectangle) {
// When we're in rectangle mode, we reset the selection relative to
// the click point depending on the selection mode we're in, with
// the exception of single-column selections, which we always reset
// on if we drift.
if (sel.start.x == sel.end.x) {
reset = screen_point.x != sel.start.x;
} else {
// Normal select uses simpler logic that is just based on the
// selection start/end.
reset = if (sel.end.before(sel.start))
sel.start.before(screen_point)
else
screen_point.before(sel.start);
reset = switch (sel.order()) {
.forward => screen_point.x < sel.start.x or screen_point.y < sel.start.y,
.reverse => screen_point.x > sel.start.x or screen_point.y > sel.start.y,
.mirrored_forward => screen_point.x > sel.start.x or screen_point.y < sel.start.y,
.mirrored_reverse => screen_point.x < sel.start.x or screen_point.y > sel.start.y,
};
}
} else {
// Normal select uses simpler logic that is just based on the
// selection start/end.
reset = if (sel.end.before(sel.start))
sel.start.before(screen_point)
else
screen_point.before(sel.start);
}
if (reset)
self.setSelection(null);
if (reset) self.setSelection(null);
}
// Handles how whether or not the drag screen point is before the click point.