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osu-lazer/osu.Game/Overlays/KeyBinding/KeyBindingRow.cs

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Extensions;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Bindings;
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using osu.Framework.Input.EventArgs;
using osu.Framework.Input.States;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
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using osu.Game.Graphics.Sprites;
using osu.Game.Input;
using OpenTK.Graphics;
using OpenTK.Input;
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using JoystickEventArgs = osu.Framework.Input.EventArgs.JoystickEventArgs;
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namespace osu.Game.Overlays.KeyBinding
{
public class KeyBindingRow : Container, IFilterable
{
private readonly object action;
private readonly IEnumerable<Framework.Input.Bindings.KeyBinding> bindings;
private const float transition_time = 150;
private const float height = 20;
private const float padding = 5;
private bool matchingFilter;
public bool MatchingFilter
{
get { return matchingFilter; }
set
{
matchingFilter = value;
this.FadeTo(!matchingFilter ? 0 : 1);
}
}
private OsuSpriteText text;
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private OsuTextFlowContainer pressAKey;
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private FillFlowContainer<KeyButton> buttons;
public IEnumerable<string> FilterTerms => bindings.Select(b => b.KeyCombination.ReadableString()).Prepend(text.Text);
public KeyBindingRow(object action, IEnumerable<Framework.Input.Bindings.KeyBinding> bindings)
{
this.action = action;
this.bindings = bindings;
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Masking = true;
CornerRadius = padding;
}
private KeyBindingStore store;
[BackgroundDependencyLoader]
private void load(OsuColour colours, KeyBindingStore store)
{
this.store = store;
EdgeEffect = new EdgeEffectParameters
{
Radius = 2,
Colour = colours.YellowDark.Opacity(0),
Type = EdgeEffectType.Shadow,
Hollow = true,
};
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black,
Alpha = 0.6f,
},
text = new OsuSpriteText
{
Text = action.GetDescription(),
Margin = new MarginPadding(padding),
},
buttons = new FillFlowContainer<KeyButton>
{
AutoSizeAxes = Axes.Both,
Anchor = Anchor.TopRight,
Origin = Anchor.TopRight
},
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pressAKey = new OsuTextFlowContainer
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{
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Text = "Press a key to change binding, Shift+Delete to delete, Escape to cancel.",
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
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Margin = new MarginPadding(padding),
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Padding = new MarginPadding { Top = height },
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Alpha = 0,
Colour = colours.YellowDark
}
};
foreach (var b in bindings)
buttons.Add(new KeyButton(b));
}
public void RestoreDefaults()
{
int i = 0;
foreach (var d in Defaults)
{
var button = buttons[i++];
button.UpdateKeyCombination(d);
store.Update(button.KeyBinding);
}
}
protected override bool OnHover(InputState state)
{
FadeEdgeEffectTo(1, transition_time, Easing.OutQuint);
return base.OnHover(state);
}
protected override void OnHoverLost(InputState state)
{
FadeEdgeEffectTo(0, transition_time, Easing.OutQuint);
base.OnHoverLost(state);
}
public override bool AcceptsFocus => bindTarget == null;
private KeyButton bindTarget;
public bool AllowMainMouseButtons;
public IEnumerable<KeyCombination> Defaults;
private bool isModifier(Key k) => k < Key.F1;
protected override bool OnClick(InputState state) => true;
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
if (!HasFocus || !bindTarget.IsHovered)
return base.OnMouseDown(state, args);
if (!AllowMainMouseButtons)
{
switch (args.Button)
{
case MouseButton.Left:
case MouseButton.Right:
return true;
}
}
bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state));
return true;
}
protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
{
// don't do anything until the last button is released.
if (!HasFocus || state.Mouse.Buttons.Any())
return base.OnMouseUp(state, args);
if (bindTarget.IsHovered)
finalise();
else
updateBindTarget();
return true;
}
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protected override bool OnScroll(InputState state)
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{
if (HasFocus)
{
if (bindTarget.IsHovered)
{
bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state, state.Mouse.ScrollDelta));
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finalise();
return true;
}
}
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return base.OnScroll(state);
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}
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
if (!HasFocus)
return false;
switch (args.Key)
{
case Key.Delete:
{
if (state.Keyboard.ShiftPressed)
{
bindTarget.UpdateKeyCombination(InputKey.None);
finalise();
return true;
}
break;
}
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}
bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state));
if (!isModifier(args.Key)) finalise();
return true;
}
protected override bool OnKeyUp(InputState state, KeyUpEventArgs args)
{
if (!HasFocus) return base.OnKeyUp(state, args);
finalise();
return true;
}
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protected override bool OnJoystickPress(InputState state, JoystickEventArgs args)
{
if (!HasFocus)
return false;
bindTarget.UpdateKeyCombination(KeyCombination.FromInputState(state));
finalise();
return true;
}
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protected override bool OnJoystickRelease(InputState state, JoystickEventArgs args)
{
if (!HasFocus)
return base.OnJoystickRelease(state, args);
finalise();
return true;
}
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private void finalise()
{
if (bindTarget != null)
{
store.Update(bindTarget.KeyBinding);
bindTarget.IsBinding = false;
Schedule(() =>
{
// schedule to ensure we don't instantly get focus back on next OnMouseClick (see AcceptFocus impl.)
bindTarget = null;
});
}
if (HasFocus)
GetContainingInputManager().ChangeFocus(null);
pressAKey.FadeOut(300, Easing.OutQuint);
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pressAKey.BypassAutoSizeAxes |= Axes.Y;
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}
protected override void OnFocus(InputState state)
{
AutoSizeDuration = 500;
AutoSizeEasing = Easing.OutQuint;
pressAKey.FadeIn(300, Easing.OutQuint);
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pressAKey.BypassAutoSizeAxes &= ~Axes.Y;
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updateBindTarget();
base.OnFocus(state);
}
protected override void OnFocusLost(InputState state)
{
finalise();
base.OnFocusLost(state);
}
private void updateBindTarget()
{
if (bindTarget != null) bindTarget.IsBinding = false;
bindTarget = buttons.FirstOrDefault(b => b.IsHovered) ?? buttons.FirstOrDefault();
if (bindTarget != null) bindTarget.IsBinding = true;
}
private class KeyButton : Container
{
public readonly Framework.Input.Bindings.KeyBinding KeyBinding;
private readonly Box box;
public readonly OsuSpriteText Text;
private Color4 hoverColour;
private bool isBinding;
public bool IsBinding
{
get { return isBinding; }
set
{
if (value == isBinding) return;
isBinding = value;
updateHoverState();
}
}
public KeyButton(Framework.Input.Bindings.KeyBinding keyBinding)
{
KeyBinding = keyBinding;
Margin = new MarginPadding(padding);
// todo: use this in a meaningful way
// var isDefault = keyBinding.Action is Enum;
Masking = true;
CornerRadius = padding;
Height = height;
AutoSizeAxes = Axes.X;
Children = new Drawable[]
{
new Container
{
AlwaysPresent = true,
Width = 80,
Height = height,
},
box = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black
},
Text = new OsuSpriteText
{
Font = "Venera",
TextSize = 10,
Margin = new MarginPadding(5),
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Text = keyBinding.KeyCombination.ReadableString(),
},
};
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
hoverColour = colours.YellowDark;
}
protected override bool OnHover(InputState state)
{
updateHoverState();
return base.OnHover(state);
}
protected override void OnHoverLost(InputState state)
{
updateHoverState();
base.OnHoverLost(state);
}
private void updateHoverState()
{
if (isBinding)
{
box.FadeColour(Color4.White, transition_time, Easing.OutQuint);
Text.FadeColour(Color4.Black, transition_time, Easing.OutQuint);
}
else
{
box.FadeColour(IsHovered ? hoverColour : Color4.Black, transition_time, Easing.OutQuint);
Text.FadeColour(IsHovered ? Color4.Black : Color4.White, transition_time, Easing.OutQuint);
}
}
public void UpdateKeyCombination(KeyCombination newCombination)
{
KeyBinding.KeyCombination = newCombination;
Text.Text = KeyBinding.KeyCombination.ReadableString();
}
}
}
}