mirror of
https://github.com/ppy/osu
synced 2024-12-28 01:42:57 +00:00
Make TextBox rendering work again.
This commit is contained in:
Dean Herbert
parent
460f260880
commit
b3e2339175
704
osu.Game/Graphics/UserInterface/TextBox.cs
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704
osu.Game/Graphics/UserInterface/TextBox.cs
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@ -0,0 +1,704 @@
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using System;
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using System.Collections.Generic;
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using osu.Framework;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Drawables;
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using OpenTK.Graphics;
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using osu.Framework.Graphics;
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using OpenTK;
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using osu.Framework.Cached;
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using osu.Framework.Graphics.Transformations;
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using OpenTK.Input;
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using osu.Framework.Input;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.MathUtils;
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namespace osu.Game.Graphics.UserInterface
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{
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internal class TextBox : MaskingContainer
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{
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private readonly FlowContainer textFlow;
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private Box background;
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protected Box cursor;
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protected Container TextContainer;
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internal int? LengthLimit;
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internal bool ResetTextOnEdit;
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internal string textBeforeCommit;
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internal virtual bool AllowClipboardExport => true;
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protected virtual Color4 BackgroundCommit => new Color4(249, 90, 255, 200);
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protected virtual Color4 BackgroundFocused => new Color4(100, 100, 100, 255);
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protected virtual Color4 BackgroundUnfocused => new Color4(100, 100, 100, 120);
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public bool ReadOnly;
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//BackingTextBox backingTextbox;
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internal delegate void OnCommitHandler(TextBox sender, bool newText);
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internal event OnCommitHandler OnCommit;
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public event OnCommitHandler OnChange;
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internal float TextSize { get; private set; }
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float length;
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public TextBox(string text, float size, Vector2 pos, float length)
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{
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TextSize = size;
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Position = pos;
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this.length = length;
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if (length == 0)
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{
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length = 1;
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SizeMode = InheritMode.X;
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}
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Size = new Vector2(length, size);
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Add(background = new Box()
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{
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Colour = BackgroundUnfocused,
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SizeMode = InheritMode.XY,
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});
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Add(TextContainer = new Container() { SizeMode = InheritMode.XY });
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textFlow = new FlowContainer()
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{
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Direction = FlowDirection.HorizontalOnly,
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//Padding = new Vector2(-TextSize / 3, 0)
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};
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cursor = new Box()
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{
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Size = Vector2.One,
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Colour = Color4.Transparent,
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SizeMode = InheritMode.Y,
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Alpha = 0
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};
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TextContainer.Add(cursor);
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TextContainer.Add(textFlow);
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Text = text;
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}
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private void resetSelection()
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{
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selectionStart = selectionEnd = text.Length;
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cursorAndLayout.Invalidate();
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}
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protected override void Dispose(bool disposing)
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{
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OnChange = null;
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OnCommit = null;
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UnbindTextbox();
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base.Dispose(disposing);
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}
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private float textContainerPosX;
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protected virtual float TextContainerIconOffset => 0;
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protected string TextAtLastLayout = string.Empty;
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protected override void UpdateLayout()
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{
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//have to run this after children flow
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cursorAndLayout.Refresh(delegate
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{
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Vector2 cursorPos = Vector2.Zero;
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if (text.Length > 0)
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cursorPos.X = getPositionAt(selectionLeft);
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float cursorPosEnd = getPositionAt(selectionEnd);
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float cursorWidth = 1;
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if (selectionLength > 0)
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cursorWidth = getPositionAt(selectionRight) - cursorPos.X;
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float cursorRelativePositionInBox = (cursorPosEnd - textContainerPosX) / Width;
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//we only want to reposition the view when the cursor reaches near the extremities.
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if (cursorRelativePositionInBox < 0.1 || cursorRelativePositionInBox > 0.9)
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{
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textContainerPosX = cursorPosEnd - Width / 2;
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}
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textContainerPosX = MathHelper.Clamp(textContainerPosX, 0, Math.Max(0, textFlow.Width - Width));
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TextContainer.MoveToX(TextContainerIconOffset - textContainerPosX, 300, EasingTypes.OutExpo);
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if (HasFocus)
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{
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cursor.ClearTransformations();
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cursor.MoveTo(cursorPos + new Vector2(2, 0), 60, EasingTypes.Out);
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cursor.ScaleTo(new Vector2(cursorWidth, 1), 60, EasingTypes.Out);
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if (selectionLength > 0)
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{
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cursor.FadeTo(0.5f, 200, EasingTypes.Out);
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cursor.FadeColour(new Color4(249, 90, 255, 255), 200, EasingTypes.Out);
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}
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else
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{
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cursor.FadeTo(0.5f, 200, EasingTypes.Out);
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cursor.FadeColour(Color4.White, 200, EasingTypes.Out);
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cursor.Transformations.Add(new Transformation(TransformationType.Fade, 0.5f, 0.2f, Time + 200, Time + 200 + /*(OsuGame.Audio.BeatSyncing ? (int)OsuGame.Audio.BeatLength : */500)
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{
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Easing = EasingTypes.InOutSine,
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Loop = true
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});
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}
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}
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OnChange?.Invoke(this, TextAtLastLayout != text);
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TextAtLastLayout = text;
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return cursorPos;
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});
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}
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private float getPositionAt(int index)
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{
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if (index > 0)
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{
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if (index < text.Length)
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return textFlow.Children[index].Position.X + textFlow.Position.X;
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else
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return textFlow.Children[index - 1].Position.X + textFlow.Children[index - 1].Size.X + textFlow.Padding.X + textFlow.Position.X;
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}
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else
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return 0;
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}
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private int getCharacterClosestTo(Vector2 pos)
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{
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pos = textFlow.GetLocalPosition(pos);
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int i = 0;
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foreach (Drawable d in textFlow.Children)
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{
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if (d.Position.X + d.Size.X / 2 > pos.X)
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break;
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i++;
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}
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return i;
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}
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internal bool HandleLeftRightArrows = true;
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int selectionStart;
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int selectionEnd;
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int selectionLength => Math.Abs(selectionEnd - selectionStart);
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int selectionLeft => Math.Min(selectionStart, selectionEnd);
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int selectionRight => Math.Max(selectionStart, selectionEnd);
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Cached<Vector2> cursorAndLayout = new Cached<Vector2>();
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private void moveSelection(int offset, bool expand)
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{
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//if (backingTextbox?.ImeActive == true) return;
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int oldStart = selectionStart;
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int oldEnd = selectionEnd;
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if (expand)
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selectionEnd = MathHelper.Clamp(selectionEnd + offset, 0, text.Length);
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else
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{
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if (selectionLength > 0 && Math.Abs(offset) <= 1)
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{
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//we don't want to move the location when "removing" an existing selection, just set the new location.
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if (offset > 0)
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selectionEnd = selectionStart = selectionRight;
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else
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selectionEnd = selectionStart = selectionLeft;
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}
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else
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selectionEnd = selectionStart = MathHelper.Clamp((offset > 0 ? selectionRight : selectionLeft) + offset, 0, text.Length);
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}
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if (oldStart != selectionStart || oldEnd != selectionEnd)
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{
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Game.Audio.Sample.GetSample(@"key-movement");
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cursorAndLayout.Invalidate();
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}
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}
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private bool removeCharacterOrSelection(bool sound = true)
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{
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if (text.Length == 0) return false;
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if (selectionLength == 0 && selectionLeft == 0) return false;
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int count = MathHelper.Clamp(selectionLength, 1, text.Length);
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int start = MathHelper.Clamp(selectionLength > 0 ? selectionLeft : selectionLeft - 1, 0, text.Length - count);
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if (count == 0) return false;
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if (sound)
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Game.Audio.Sample.GetSample(@"key-delete");
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for (int i = 0; i < count; i++)
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{
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Drawable d = textFlow.Children[start];
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textFlow.Remove(d);
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TextContainer.Add(d);
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d.FadeOut(200);
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d.MoveToY(d.Size.Y, 200, EasingTypes.InExpo);
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d.Expire();
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}
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text = text.Remove(start, count);
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if (selectionLength > 0)
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selectionStart = selectionEnd = selectionLeft;
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else
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selectionStart = selectionEnd = selectionLeft - 1;
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cursorAndLayout.Invalidate();
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return true;
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}
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protected virtual Drawable AddCharacterToFlow(char c)
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{
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for (int i = selectionLeft; i < text.Length; i++)
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textFlow.Children[i].Depth = i + 1;
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Drawable ch;
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if (char.IsWhiteSpace(c))
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{
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float width = TextSize / 2;
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switch ((int)c)
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{
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case 0x3000: //double-width space
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width = TextSize;
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break;
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}
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textFlow.Add(ch = new Container()
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{
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SizeMode = InheritMode.None,
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Size = new Vector2(width, TextSize),
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Depth = selectionLeft
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});
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}
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else
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{
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textFlow.Add(ch = new SpriteText()
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{
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Text = c.ToString(),
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Depth = selectionLeft
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});
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}
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return ch;
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}
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/// <summary>
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/// Insert an arbitrary string into the text at the current position.
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/// </summary>
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/// <param name="text"></param>
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private void insertString(string text)
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{
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foreach (char c in text)
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{
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if (char.IsControl(c)) continue;
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addCharacter(c);
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}
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}
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private Drawable addCharacter(char c)
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{
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if (selectionLength > 0)
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removeCharacterOrSelection();
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if (text.Length + 1 > LengthLimit)
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{
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if (background.Alpha > 0)
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background.FlashColour(Color4.Red, 200);
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else
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textFlow.FlashColour(Color4.Red, 200);
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return null;
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}
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Drawable ch = AddCharacterToFlow(c);
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ch.Position = new Vector2(0, TextSize);
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ch.MoveToY(0, 200, EasingTypes.OutExpo);
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text = text.Insert(selectionLeft, c.ToString());
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selectionStart = selectionEnd = selectionLeft + 1;
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cursorAndLayout.Invalidate();
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return ch;
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}
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private string text;
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internal virtual string Text
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{
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get
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{
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return text;
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}
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set
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{
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if (value == text)
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return;
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int startBefore = selectionStart;
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selectionStart = selectionEnd = 0;
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textFlow.Clear();
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text = string.Empty;
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foreach (char c in value)
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addCharacter(c);
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selectionStart = MathHelper.Clamp(startBefore, 0, text.Length);
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cursorAndLayout.Invalidate();
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}
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}
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public string SelectedText => selectionLength > 0 ? Text.Substring(selectionLeft, selectionLength) : string.Empty;
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protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
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{
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//if (!HasFocus)
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// return false;
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//if (backingTextbox?.ImeActive == true) return true;
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switch (args.Key)
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{
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case Key.Tab:
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return false;
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case Key.End:
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moveSelection(text.Length, state.Keyboard.ShiftPressed);
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return true;
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case Key.Home:
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moveSelection(-text.Length, state.Keyboard.ShiftPressed);
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return true;
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case Key.Left:
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{
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if (!HandleLeftRightArrows) return false;
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if (selectionEnd == 0) return true;
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int amount = 1;
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if (state.Keyboard.ControlPressed)
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{
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int lastSpace = text.LastIndexOf(' ', Math.Max(0, selectionEnd - 2));
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if (lastSpace >= 0)
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amount = selectionEnd - lastSpace - 1;
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else
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amount = selectionEnd;
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}
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moveSelection(-amount, state.Keyboard.ShiftPressed);
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}
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return true;
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case Key.Right:
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{
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if (!HandleLeftRightArrows) return false;
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if (selectionEnd == text.Length) return true;
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int amount = 1;
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if (state.Keyboard.ControlPressed)
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{
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int nextSpace = text.IndexOf(' ', selectionEnd + 1);
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if (nextSpace >= 0)
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amount = nextSpace - selectionEnd;
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else
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amount = text.Length - selectionEnd;
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}
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moveSelection(amount, state.Keyboard.ShiftPressed);
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}
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return true;
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case Key.Enter:
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TriggerFocusLost(state);
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return true;
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case Key.Delete:
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if (selectionLength == 0)
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{
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if (text.Length == selectionStart)
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return true;
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if (state.Keyboard.ControlPressed)
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{
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int spacePos = selectionStart;
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while (text[spacePos] == ' ' && spacePos < text.Length)
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spacePos++;
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spacePos = MathHelper.Clamp(text.IndexOf(' ', spacePos), 0, text.Length);
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selectionEnd = spacePos;
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if (selectionStart == 0 && spacePos == 0)
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selectionEnd = text.Length;
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if (selectionLength == 0)
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return true;
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}
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else
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{
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//we're deleting in front of the cursor, so move the cursor forward once first
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selectionStart = selectionEnd = selectionStart + 1;
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}
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}
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removeCharacterOrSelection();
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return true;
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case Key.Back:
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if (selectionLength == 0 && state.Keyboard.ControlPressed)
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{
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int spacePos = selectionLeft >= 2 ? Math.Max(0, text.LastIndexOf(' ', selectionLeft - 2) + 1) : 0;
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selectionStart = spacePos;
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}
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removeCharacterOrSelection();
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return true;
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}
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if (state.Keyboard.ControlPressed)
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{
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//handling of function keys
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switch (args.Key)
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{
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case Key.A:
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selectionStart = 0;
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selectionEnd = text.Length;
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cursorAndLayout.Invalidate();
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return true;
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case Key.C:
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if (string.IsNullOrEmpty(SelectedText) || !AllowClipboardExport) return true;
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//System.Windows.Forms.Clipboard.SetText(SelectedText);
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return true;
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case Key.X:
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if (string.IsNullOrEmpty(SelectedText)) return true;
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//if (AllowClipboardExport)
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// System.Windows.Forms.Clipboard.SetText(SelectedText);
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removeCharacterOrSelection();
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return true;
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case Key.V:
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//the text is pasted into the hidden textbox, so we don't need any direct clipboard interaction here.
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//insertString(backingTextbox.GetPendingText());
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return true;
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}
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return false;
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}
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string str = "A";// backingTextbox.GetPendingText();
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if (!string.IsNullOrEmpty(str))
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{
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if (state.Keyboard.ShiftPressed)
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Game.Audio.Sample.GetSample(@"key-caps");
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else
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Game.Audio.Sample.GetSample($@"key-press-{RNG.Next(1, 5)}");
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insertString(str);
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return true;
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}
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return false;
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}
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protected override bool OnDrag(InputState state)
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{
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//if (backingTextbox?.ImeActive == true) return true;
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if (text.Length == 0) return true;
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selectionEnd = getCharacterClosestTo(state.Mouse.Position);
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if (selectionLength > 0)
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TriggerFocus();
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cursorAndLayout.Invalidate();
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return true;
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}
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protected override bool OnDragStart(InputState state)
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{
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//need to handle this so we get onDrag events.
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return true;
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}
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protected override bool OnDoubleClick(InputState state)
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{
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//if (backingTextbox?.ImeActive == true) return true;
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if (text.Length == 0) return true;
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int hover = Math.Min(text.Length - 1, getCharacterClosestTo(state.Mouse.Position));
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int lastSpace = text.LastIndexOf(' ', hover);
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int nextSpace = text.IndexOf(' ', hover);
|
||||
|
||||
selectionStart = lastSpace >= 0 ? lastSpace + 1 : 0;
|
||||
selectionEnd = nextSpace >= 0 ? nextSpace : text.Length;
|
||||
cursorAndLayout.Invalidate();
|
||||
return true;
|
||||
}
|
||||
|
||||
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
|
||||
{
|
||||
//if (backingTextbox?.ImeActive == true) return true;
|
||||
|
||||
selectionStart = selectionEnd = getCharacterClosestTo(state.Mouse.Position);
|
||||
|
||||
cursorAndLayout.Invalidate();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
protected override void OnFocusLost(InputState state)
|
||||
{
|
||||
UnbindTextbox();
|
||||
|
||||
cursor.ClearTransformations();
|
||||
cursor.FadeOut(200);
|
||||
|
||||
if (state.Keyboard.Keys.Contains(Key.Enter))
|
||||
{
|
||||
background.Colour = BackgroundUnfocused;
|
||||
background.ClearTransformations();
|
||||
background.FlashColour(BackgroundCommit, 400);
|
||||
|
||||
Game.Audio.Sample.GetSample(@"key-confirm");
|
||||
OnCommit?.Invoke(this, true);
|
||||
}
|
||||
else
|
||||
{
|
||||
background.ClearTransformations();
|
||||
background.FadeColour(BackgroundUnfocused, 200, EasingTypes.OutExpo);
|
||||
}
|
||||
|
||||
cursorAndLayout.Invalidate();
|
||||
}
|
||||
|
||||
protected override bool OnFocus(InputState state)
|
||||
{
|
||||
if (ReadOnly) return false;
|
||||
|
||||
//BindTextbox();
|
||||
|
||||
textBeforeCommit = Text;
|
||||
if (ResetTextOnEdit)
|
||||
Text = string.Empty;
|
||||
|
||||
background.ClearTransformations();
|
||||
background.FadeColour(BackgroundFocused, 200, EasingTypes.Out);
|
||||
|
||||
cursorAndLayout.Invalidate();
|
||||
return true;
|
||||
}
|
||||
|
||||
#region Native TextBox handling (winform specific)
|
||||
protected void UnbindTextbox()
|
||||
{
|
||||
//backingTextbox?.Deactivate(OsuGame.Window.Form);
|
||||
}
|
||||
|
||||
//protected void BindTextbox()
|
||||
//{
|
||||
// if (backingTextbox == null)
|
||||
// {
|
||||
// backingTextbox = new BackingTextBox();
|
||||
// backingTextbox.OnNewImeComposition += onImeComposition;
|
||||
// backingTextbox.OnNewImeResult += onImeResult;
|
||||
// }
|
||||
|
||||
// backingTextbox.Activate(OsuGame.Window.Form);
|
||||
//}
|
||||
|
||||
//private void onImeResult(string s)
|
||||
//{
|
||||
// //we only succeeded if there is pending data in the textbox
|
||||
// if (imeDrawables.Count > 0)
|
||||
// {
|
||||
// Game.Audio.Sample.GetSample($@"key-confirm");
|
||||
|
||||
// foreach (Drawable d in imeDrawables)
|
||||
// {
|
||||
// d.Colour = Color4.White;
|
||||
// d.FadeTo(1, 200, EasingTypes.Out);
|
||||
// }
|
||||
// }
|
||||
|
||||
// imeDrawables.Clear();
|
||||
//}
|
||||
|
||||
List<Drawable> imeDrawables = new List<Drawable>();
|
||||
|
||||
private void onImeComposition(string s)
|
||||
{
|
||||
//search for unchanged characters..
|
||||
int matchCount = 0;
|
||||
bool matching = true;
|
||||
bool didDelete = false;
|
||||
|
||||
int searchStart = text.Length - imeDrawables.Count;
|
||||
|
||||
//we want to keep processing to the end of the longest string (the current displayed or the new composition).
|
||||
int maxLength = Math.Max(imeDrawables.Count, s.Length);
|
||||
|
||||
for (int i = 0; i < maxLength; i++)
|
||||
{
|
||||
if (matching && searchStart + i < text.Length && i < s.Length && text[searchStart + i] == s[i])
|
||||
{
|
||||
matchCount = i + 1;
|
||||
continue;
|
||||
}
|
||||
|
||||
matching = false;
|
||||
|
||||
if (matchCount < imeDrawables.Count)
|
||||
{
|
||||
//if we are no longer matching, we want to remove all further characters.
|
||||
removeCharacterOrSelection(false);
|
||||
imeDrawables.RemoveAt(matchCount);
|
||||
didDelete = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (matchCount == s.Length)
|
||||
{
|
||||
//in the case of backspacing (or a NOP), we can exit early here.
|
||||
if (didDelete)
|
||||
Game.Audio.Sample.GetSample($@"key-delete").Play();
|
||||
return;
|
||||
}
|
||||
|
||||
//add any new or changed characters
|
||||
for (int i = matchCount; i < s.Length; i++)
|
||||
{
|
||||
Drawable dr = addCharacter(s[i]);
|
||||
if (dr != null)
|
||||
{
|
||||
dr.Colour = Color4.Aqua;
|
||||
dr.Alpha = 0.6f;
|
||||
imeDrawables.Add(dr);
|
||||
}
|
||||
}
|
||||
|
||||
Game.Audio.Sample.GetSample($@"key-press-{RNG.Next(1, 5)}");
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
@ -57,6 +57,7 @@
|
||||
<Compile Include="Graphics\Cursor\CursorContainer.cs" />
|
||||
<Compile Include="Graphics\Processing\RatioAdjust.cs" />
|
||||
<Compile Include="Graphics\TextAwesome.cs" />
|
||||
<Compile Include="Graphics\UserInterface\TextBox.cs" />
|
||||
<Compile Include="Online\API\APIAccess.cs" />
|
||||
<Compile Include="Online\API\APIRequest.cs" />
|
||||
<Compile Include="Online\API\OAuth.cs" />
|
||||
|
||||
Loading…
Reference in New Issue
Block a user