stefankoelle/marcer-gamedvd-launcher
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cleanup

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stefankoelle
2026-08-11 19:31:18 +02:00
parent 410da6a98b
commit 7971385beb
8 changed files with 114 additions and 168 deletions
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src/MarcerGameDvdLauncher/NavigationController.cs
+8 -8
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@@ -8,11 +8,11 @@ namespace MarcerGameDvdLauncher
// Scroll fractions: when the selection cursor reaches 2/3 of the visible window
// height from the top, the list scrolls down; when it reaches 1/3, it scrolls up.
// Not configurable — these ratios are the established navigation behaviour.
private const double BottomScrollFraction = 2.0 / 3.0;
private const double TopScrollFraction = 1.0 / 3.0;
private const double BOTTOM_SCROLL_FRACTION = 2.0 / 3.0;
private const double TOP_SCROLL_FRACTION = 1.0 / 3.0;
public int SelectedIndex { get; private set; } = 0;
public int ScrollOffset { get; private set; } = 0;
public int SelectedIndex { get; private set; }
public int ScrollOffset { get; private set; }
public string CurrentRelativePath { get; private set; } = "";
// Stores the last selection & scroll position for each directory
private readonly Dictionary<string, (int sel, int scroll)> _lastSelections = new();
@@ -105,12 +105,12 @@ namespace MarcerGameDvdLauncher
if (availableLines < 1) availableLines = 1;
if (entryCount <= availableLines) { ScrollOffset = 0; return; }
if (SelectedIndex == 0) { ScrollOffset = 0; return; }
int bottomScrollTrigger = ScrollOffset + (int)(availableLines * BottomScrollFraction);
int topScrollTrigger = ScrollOffset + (int)(availableLines * TopScrollFraction);
int bottomScrollTrigger = ScrollOffset + (int)(availableLines * BOTTOM_SCROLL_FRACTION);
int topScrollTrigger = ScrollOffset + (int)(availableLines * TOP_SCROLL_FRACTION);
if (SelectedIndex >= bottomScrollTrigger && (ScrollOffset + availableLines) < entryCount)
ScrollOffset = SelectedIndex - (int)(availableLines * BottomScrollFraction);
ScrollOffset = SelectedIndex - (int)(availableLines * BOTTOM_SCROLL_FRACTION);
else if (SelectedIndex < topScrollTrigger && ScrollOffset > 0)
ScrollOffset = SelectedIndex - (int)(availableLines * TopScrollFraction);
ScrollOffset = SelectedIndex - (int)(availableLines * TOP_SCROLL_FRACTION);
if (ScrollOffset < 0) ScrollOffset = 0;
if (ScrollOffset > entryCount - availableLines)
ScrollOffset = entryCount - availableLines;