improve comments
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01c0cb020e
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1 changed files with 3 additions and 1 deletions
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@ -270,11 +270,13 @@ impl ZoomState {
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}
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}
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ZoomMovement::OnEdge => {
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ZoomMovement::OnEdge => {
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if is_level_change {
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if is_level_change {
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// Ensure the cursor doesn't disappear off screen
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output_state_ref.focal_point = cursor_position;
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output_state_ref.focal_point = cursor_position;
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return;
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return;
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}
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}
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// Compute small margin relative to zoomed output to keep cursor within
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// Compute small margin relative to zoomed output to keep cursor within
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// (can be user-configurable in the future)
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let margin_size = zoomed_output_geometry.size.h * 0.02;
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let margin_size = zoomed_output_geometry.size.h * 0.02;
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let margins = FrameExtents::new(margin_size, margin_size, margin_size, margin_size);
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let margins = FrameExtents::new(margin_size, margin_size, margin_size, margin_size);
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let inner_rect = zoomed_output_geometry - margins;
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let inner_rect = zoomed_output_geometry - margins;
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@ -318,7 +320,7 @@ impl ZoomState {
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let center = (output_geometry.size / 2.).to_point();
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let center = (output_geometry.size / 2.).to_point();
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if level <= 1.0 + f64::EPSILON {
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if level <= 1.0 + f64::EPSILON {
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// Without this break, focal point will jump to (0, 0) on zoom out
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// Prevent focal point jumping to top-left corner (0, 0) on zoom out
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output_state_ref.focal_point = center;
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output_state_ref.focal_point = center;
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return;
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return;
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}
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}
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