bd1fa1f0a9
Notably there is some code cleanup with the zooming functionality, I've created a new module to reduce code duplication.
52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
use std::num::NonZeroU16;
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use crate::{config::IconSizes, tab::View};
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static DEFAULT_ZOOM: NonZeroU16 = NonZeroU16::new(100).unwrap();
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static MIN_ZOOM: NonZeroU16 = NonZeroU16::new(50).unwrap();
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static MAX_ZOOM: NonZeroU16 = NonZeroU16::new(500).unwrap();
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const ZOOM_STEP: u16 = 25;
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pub(crate) const fn zoom_to_default(view: View, icon_sizes: &mut IconSizes) {
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let icon_size = select_resized_icon(view, icon_sizes);
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*icon_size = DEFAULT_ZOOM;
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}
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pub(crate) fn zoom_in_view(view: View, icon_sizes: &mut IconSizes) {
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let icon_size = select_resized_icon(view, icon_sizes);
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let mut step = MIN_ZOOM;
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while step <= MAX_ZOOM {
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if *icon_size < step {
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*icon_size = step;
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break;
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}
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step = step.saturating_add(ZOOM_STEP);
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}
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if *icon_size > step {
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*icon_size = step;
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}
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}
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pub(crate) fn zoom_out_view(view: View, icon_sizes: &mut IconSizes) {
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let icon_size = select_resized_icon(view, icon_sizes);
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let mut step = MAX_ZOOM;
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while step >= MIN_ZOOM {
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if *icon_size > step {
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*icon_size = step;
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break;
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}
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step = NonZeroU16::new(step.get().saturating_sub(ZOOM_STEP)).unwrap();
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}
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if *icon_size < step {
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*icon_size = step;
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}
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}
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const fn select_resized_icon(view: View, icon_sizes: &mut IconSizes) -> &mut NonZeroU16 {
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match view {
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View::Grid => &mut icon_sizes.grid,
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View::List => &mut icon_sizes.list,
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}
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}
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