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Fix divide by zero when resizing lots of tiny panes

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refs: #3921
This commit is contained in:
Wez Furlong 2023-07-09 13:10:18 -07:00
parent f09992f704
commit c2f1be53ba
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2 changed files with 9 additions and 2 deletions
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1
docs/changelog.md
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@ -114,6 +114,7 @@ As features stabilize some brief notes about them will accumulate here.
immediately with the default `exit_behavior` setting. Now ssh sessions immediately with the default `exit_behavior` setting. Now ssh sessions
override `exit_behavior="CloseOnCleanExit"` while connecting so that error override `exit_behavior="CloseOnCleanExit"` while connecting so that error
information can be displayed. #3941 information can be displayed. #3941
* Divide by zero panic with lots of splits and resizing panes. #3921
#### Updated #### Updated
* Bundled harfbuzz to 8.0.0 * Bundled harfbuzz to 8.0.0

10
mux/src/tab.rs
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@ -1177,8 +1177,14 @@ impl TabInner {
} }
fn apply_pane_size(&mut self, pane_size: TerminalSize, cursor: &mut Cursor) { fn apply_pane_size(&mut self, pane_size: TerminalSize, cursor: &mut Cursor) {
let cell_width = pane_size.pixel_width / pane_size.cols; let cell_width = pane_size
let cell_height = pane_size.pixel_height / pane_size.rows; .pixel_width
.checked_div(pane_size.cols)
.unwrap_or(1);
let cell_height = pane_size
.pixel_height
.checked_div(pane_size.rows)
.unwrap_or(1);
if let Ok(Some(node)) = cursor.node_mut() { if let Ok(Some(node)) = cursor.node_mut() {
// Adjust the size of the node; we preserve the size of the first // Adjust the size of the node; we preserve the size of the first
// child and adjust the second, so if we are split down the middle // child and adjust the second, so if we are split down the middle