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objdiff-cli diff: Reduce duplicate key event code (#51)

This commit is contained in:
Robin Avery 2024-03-02 20:47:54 -05:00 committed by GitHub
parent ed5d092b11
commit 9f4a1e86cd
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GPG Key ID: B5690EEEBB952194
1 changed files with 17 additions and 18 deletions
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35
objdiff-cli/src/cmd/diff.rs
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@ -408,39 +408,28 @@ impl FunctionDiffUi {
// Quit
KeyCode::Esc | KeyCode::Char('q') => return FunctionDiffResult::Break,
// Page up
KeyCode::PageUp => {
self.scroll_y = self.scroll_y.saturating_sub(self.per_page);
self.redraw = true;
}
KeyCode::PageUp => self.page_up(false),
// Page up (shift + space)
KeyCode::Char(' ') if event.modifiers.contains(KeyModifiers::SHIFT) => {
self.scroll_y = self.scroll_y.saturating_sub(self.per_page);
self.redraw = true;
self.page_up(false)
}
// Page down
KeyCode::Char(' ') | KeyCode::PageDown => {
self.scroll_y += self.per_page;
self.redraw = true;
}
KeyCode::Char(' ') | KeyCode::PageDown => self.page_down(false),
// Page down (ctrl + f)
KeyCode::Char('f') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.scroll_y += self.per_page;
self.redraw = true;
self.page_down(false)
}
// Page up (ctrl + b)
KeyCode::Char('b') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.scroll_y = self.scroll_y.saturating_sub(self.per_page);
self.redraw = true;
self.page_up(false)
}
// Half page down (ctrl + d)
KeyCode::Char('d') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.scroll_y += self.per_page / 2;
self.redraw = true;
self.page_down(true)
}
// Half page up (ctrl + u)
KeyCode::Char('u') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.scroll_y = self.scroll_y.saturating_sub(self.per_page / 2);
self.redraw = true;
self.page_up(true)
}
// Scroll down
KeyCode::Down | KeyCode::Char('j') => {
@ -517,6 +506,16 @@ impl FunctionDiffUi {
FunctionDiffResult::Continue
}
fn page_up(&mut self, half: bool) {
self.scroll_y = self.scroll_y.saturating_sub(self.per_page / if half { 2 } else { 1 });
self.redraw = true;
}
fn page_down(&mut self, half: bool) {
self.scroll_y += self.per_page / if half { 2 } else { 1 };
self.redraw = true;
}
fn print_sym(
&self,
out: &mut Text,