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Add support for changing scrollbar accent colour & use in themed dropdown

This commit is contained in:
Bartłomiej Dach 2021-10-12 22:20:07 +02:00
parent a2f3a7cba8
commit 7139c832b0
No known key found for this signature in database
GPG Key ID: BCECCD4FA41F6497
2 changed files with 59 additions and 9 deletions

View File

@ -24,11 +24,26 @@ namespace osu.Game.Graphics.Containers
}
}
public class OsuScrollContainer<T> : ScrollContainer<T> where T : Drawable
public class OsuScrollContainer<T> : ScrollContainer<T>, IHasAccentColour
where T : Drawable
{
public const float SCROLL_BAR_HEIGHT = 10;
public const float SCROLL_BAR_PADDING = 3;
private Color4 accentColour;
public Color4 AccentColour
{
get => accentColour;
set
{
accentColour = value;
if (Scrollbar is IHasAccentColour accentedScrollbar)
accentedScrollbar.AccentColour = value;
}
}
/// <summary>
/// Allows controlling the scroll bar from any position in the container using the right mouse button.
/// Uses the value of <see cref="DistanceDecayOnRightMouseScrollbar"/> to smoothly scroll to the dragged location.
@ -109,11 +124,27 @@ namespace osu.Game.Graphics.Containers
protected override ScrollbarContainer CreateScrollbar(Direction direction) => new OsuScrollbar(direction);
protected class OsuScrollbar : ScrollbarContainer
protected class OsuScrollbar : ScrollbarContainer, IHasAccentColour
{
private Color4 accentColour;
public Color4 AccentColour
{
get => accentColour;
set
{
accentColour = value;
if (IsLoaded)
updateMouseDownState();
}
}
private Color4 hoverColour;
private Color4 defaultColour;
private Color4 highlightColour;
private bool mouseDown;
private const int fade_duration = 100;
private readonly Box box;
@ -146,7 +177,15 @@ namespace osu.Game.Graphics.Containers
{
Colour = defaultColour = colours.Gray8;
hoverColour = colours.GrayF;
highlightColour = colours.Green;
AccentColour = colours.Green;
}
protected override void LoadComplete()
{
base.LoadComplete();
updateHoverState();
updateMouseDownState();
}
public override void ResizeTo(float val, int duration = 0, Easing easing = Easing.None)
@ -160,21 +199,24 @@ namespace osu.Game.Graphics.Containers
protected override bool OnHover(HoverEvent e)
{
this.FadeColour(hoverColour, 100);
updateHoverState(fade_duration);
return true;
}
protected override void OnHoverLost(HoverLostEvent e)
{
this.FadeColour(defaultColour, 100);
updateHoverState(fade_duration);
}
private void updateHoverState(double duration = 0) => this.FadeColour(IsHovered ? hoverColour : defaultColour, duration);
protected override bool OnMouseDown(MouseDownEvent e)
{
if (!base.OnMouseDown(e)) return false;
// note that we are changing the colour of the box here as to not interfere with the hover effect.
box.FadeColour(highlightColour, 100);
mouseDown = true;
updateMouseDownState(fade_duration);
return true;
}
@ -182,10 +224,17 @@ namespace osu.Game.Graphics.Containers
{
if (e.Button != MouseButton.Left) return;
box.FadeColour(Color4.White, 100);
mouseDown = false;
updateMouseDownState(fade_duration);
base.OnMouseUp(e);
}
private void updateMouseDownState(double duration = 0)
{
// note that we are changing the colour of the box here as to not interfere with the hover effect.
box.FadeColour(mouseDown ? AccentColour : Color4.White, duration);
}
}
}
}

View File

@ -29,6 +29,7 @@ namespace osu.Game.Graphics.UserInterfaceV2
private void load(OverlayColourProvider colourProvider)
{
BackgroundColour = colourProvider.Background5;
((IHasAccentColour)ContentContainer).AccentColour = colourProvider.Highlight1;
}
}