mirror of
https://github.com/Ellpeck/MLEM.git
synced 2024-12-24 01:09:23 +01:00
Fixed text not being pasted into a text field at all if it contains characters that don't match the input rule
This commit is contained in:
parent
a47318c0a2
commit
5f2eb1845f
2 changed files with 141 additions and 133 deletions
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@ -22,6 +22,7 @@ Improvements
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Fixes
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- Fixed VerticalSpace height parameter being an integer
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- Fixed text not being pasted into a text field at all if it contains characters that don't match the input rule
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## 5.1.0
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### MLEM
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@ -248,6 +248,146 @@ namespace MLEM.Ui.Elements {
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}
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}
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/// <inheritdoc />
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public override void Update(GameTime time) {
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base.Update(time);
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// handle first initialization if not done
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if (this.displayedText == null)
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this.HandleTextChange(false);
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if (!this.IsSelected || this.IsHidden)
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return;
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if (this.Input.IsKeyPressed(Keys.Left)) {
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this.CaretPos--;
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} else if (this.Input.IsKeyPressed(Keys.Right)) {
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this.CaretPos++;
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} else if (this.Input.IsKeyPressed(Keys.Home)) {
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this.CaretPos = 0;
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} else if (this.Input.IsKeyPressed(Keys.End)) {
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this.CaretPos = this.text.Length;
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} else if (this.Input.IsModifierKeyDown(ModifierKey.Control)) {
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if (this.Input.IsKeyPressed(Keys.V)) {
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var clip = ClipboardService.GetText();
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if (clip != null)
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this.InsertText(clip, true);
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} else if (this.Input.IsKeyPressed(Keys.C)) {
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// until there is text selection, just copy the whole content
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ClipboardService.SetText(this.Text);
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}
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}
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this.caretBlinkTimer += time.ElapsedGameTime.TotalSeconds;
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if (this.caretBlinkTimer >= 1)
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this.caretBlinkTimer = 0;
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}
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/// <inheritdoc />
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public override void Draw(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, Matrix matrix) {
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var tex = this.Texture;
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var color = Color.White * alpha;
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if (this.IsMouseOver) {
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tex = this.HoveredTexture.OrDefault(tex);
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color = (Color) this.HoveredColor * alpha;
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}
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batch.Draw(tex, this.DisplayArea, color, this.Scale);
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if (this.displayedText != null) {
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var lineHeight = this.Font.Value.LineHeight * this.TextScale * this.Scale;
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var offset = new Vector2(
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this.TextOffsetX * this.Scale,
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this.Multiline ? this.TextOffsetX * this.Scale : this.DisplayArea.Height / 2 - lineHeight / 2);
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var textPos = this.DisplayArea.Location + offset;
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if (this.text.Length > 0 || this.IsSelected) {
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var textColor = this.TextColor.OrDefault(Color.White);
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this.Font.Value.DrawString(batch, this.displayedText, textPos, textColor * alpha, 0, Vector2.Zero, this.TextScale * this.Scale, SpriteEffects.None, 0);
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if (this.IsSelected && this.caretBlinkTimer < 0.5F) {
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var caretDrawPos = textPos + new Vector2(this.caretDrawOffset * this.TextScale * this.Scale, 0);
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if (this.Multiline)
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caretDrawPos.Y += this.Font.Value.LineHeight * (this.CaretLine - this.lineOffset) * this.TextScale * this.Scale;
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batch.Draw(batch.GetBlankTexture(), new RectangleF(caretDrawPos, new Vector2(this.CaretWidth * this.Scale, lineHeight)), null, textColor * alpha);
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}
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} else if (this.PlaceholderText != null) {
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this.Font.Value.DrawString(batch, this.PlaceholderText, textPos, this.PlaceholderColor.OrDefault(Color.Gray) * alpha, 0, Vector2.Zero, this.TextScale * this.Scale, SpriteEffects.None, 0);
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}
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}
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base.Draw(time, batch, alpha, blendState, samplerState, matrix);
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}
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/// <summary>
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/// Replaces this text field's text with the given text.
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/// If the resulting <see cref="Text"/> exceeds <see cref="MaximumCharacters"/>, the end will be cropped to fit.
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/// </summary>
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/// <param name="text">The new text</param>
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/// <param name="removeMismatching">If any characters that don't match the <see cref="InputRule"/> should be left out</param>
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public void SetText(object text, bool removeMismatching = false) {
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var strg = text?.ToString() ?? string.Empty;
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if (!this.FilterText(ref strg, removeMismatching))
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return;
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if (this.MaximumCharacters != null && strg.Length > this.MaximumCharacters)
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strg = strg.Substring(0, this.MaximumCharacters.Value);
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this.text.Clear();
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this.text.Append(strg);
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this.CaretPos = this.text.Length;
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this.HandleTextChange();
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}
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/// <summary>
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/// Inserts the given text at the <see cref="CaretPos"/>.
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/// If the resulting <see cref="Text"/> exceeds <see cref="MaximumCharacters"/>, the end will be cropped to fit.
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/// </summary>
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/// <param name="text">The text to insert</param>
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/// <param name="removeMismatching">If any characters that don't match the <see cref="InputRule"/> should be left out</param>
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public void InsertText(object text, bool removeMismatching = false) {
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var strg = text?.ToString() ?? string.Empty;
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if (!this.FilterText(ref strg, removeMismatching))
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return;
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if (this.MaximumCharacters != null && this.text.Length + strg.Length > this.MaximumCharacters)
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strg = strg.Substring(0, this.MaximumCharacters.Value - this.text.Length);
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this.text.Insert(this.CaretPos, strg);
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this.CaretPos += strg.Length;
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this.HandleTextChange();
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}
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/// <summary>
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/// Removes the given amount of text at the given index
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/// </summary>
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/// <param name="index">The index</param>
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/// <param name="length">The amount of text to remove</param>
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public void RemoveText(int index, int length) {
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if (index < 0 || index >= this.text.Length)
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return;
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this.text.Remove(index, length);
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// ensure that caret pos is still in bounds
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this.CaretPos = this.CaretPos;
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this.HandleTextChange();
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}
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/// <inheritdoc />
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protected override void InitStyle(UiStyle style) {
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base.InitStyle(style);
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this.TextScale.SetFromStyle(style.TextScale);
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this.Font.SetFromStyle(style.Font);
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this.Texture.SetFromStyle(style.TextFieldTexture);
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this.HoveredTexture.SetFromStyle(style.TextFieldHoveredTexture);
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this.HoveredColor.SetFromStyle(style.TextFieldHoveredColor);
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}
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private bool FilterText(ref string text, bool removeMismatching) {
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if (removeMismatching) {
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var result = new StringBuilder();
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foreach (var c in text) {
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if (this.InputRule(this, c.ToCachedString()))
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result.Append(c);
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}
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text = result.ToString();
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} else if (!this.InputRule(this, text))
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return false;
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return true;
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}
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private void HandleTextChange(bool textChanged = true) {
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// not initialized yet
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if (!this.Font.HasValue())
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@ -358,139 +498,6 @@ namespace MLEM.Ui.Elements {
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}
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}
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/// <inheritdoc />
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public override void Update(GameTime time) {
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base.Update(time);
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// handle first initialization if not done
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if (this.displayedText == null)
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this.HandleTextChange(false);
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if (!this.IsSelected || this.IsHidden)
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return;
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if (this.Input.IsKeyPressed(Keys.Left)) {
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this.CaretPos--;
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} else if (this.Input.IsKeyPressed(Keys.Right)) {
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this.CaretPos++;
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} else if (this.Input.IsKeyPressed(Keys.Home)) {
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this.CaretPos = 0;
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} else if (this.Input.IsKeyPressed(Keys.End)) {
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this.CaretPos = this.text.Length;
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} else if (this.Input.IsModifierKeyDown(ModifierKey.Control)) {
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if (this.Input.IsKeyPressed(Keys.V)) {
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var clip = ClipboardService.GetText();
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if (clip != null)
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this.InsertText(clip);
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} else if (this.Input.IsKeyPressed(Keys.C)) {
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// until there is text selection, just copy the whole content
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ClipboardService.SetText(this.Text);
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}
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}
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this.caretBlinkTimer += time.ElapsedGameTime.TotalSeconds;
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if (this.caretBlinkTimer >= 1)
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this.caretBlinkTimer = 0;
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}
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/// <inheritdoc />
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public override void Draw(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, Matrix matrix) {
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var tex = this.Texture;
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var color = Color.White * alpha;
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if (this.IsMouseOver) {
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tex = this.HoveredTexture.OrDefault(tex);
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color = (Color) this.HoveredColor * alpha;
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}
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batch.Draw(tex, this.DisplayArea, color, this.Scale);
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if (this.displayedText != null) {
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var lineHeight = this.Font.Value.LineHeight * this.TextScale * this.Scale;
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var offset = new Vector2(
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this.TextOffsetX * this.Scale,
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this.Multiline ? this.TextOffsetX * this.Scale : this.DisplayArea.Height / 2 - lineHeight / 2);
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var textPos = this.DisplayArea.Location + offset;
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if (this.text.Length > 0 || this.IsSelected) {
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var textColor = this.TextColor.OrDefault(Color.White);
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this.Font.Value.DrawString(batch, this.displayedText, textPos, textColor * alpha, 0, Vector2.Zero, this.TextScale * this.Scale, SpriteEffects.None, 0);
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if (this.IsSelected && this.caretBlinkTimer < 0.5F) {
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var caretDrawPos = textPos + new Vector2(this.caretDrawOffset * this.TextScale * this.Scale, 0);
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if (this.Multiline)
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caretDrawPos.Y += this.Font.Value.LineHeight * (this.CaretLine - this.lineOffset) * this.TextScale * this.Scale;
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batch.Draw(batch.GetBlankTexture(), new RectangleF(caretDrawPos, new Vector2(this.CaretWidth * this.Scale, lineHeight)), null, textColor * alpha);
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}
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} else if (this.PlaceholderText != null) {
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this.Font.Value.DrawString(batch, this.PlaceholderText, textPos, this.PlaceholderColor.OrDefault(Color.Gray) * alpha, 0, Vector2.Zero, this.TextScale * this.Scale, SpriteEffects.None, 0);
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}
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}
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base.Draw(time, batch, alpha, blendState, samplerState, matrix);
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}
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/// <summary>
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/// Replaces this text field's text with the given text.
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/// If the resulting <see cref="Text"/> exceeds <see cref="MaximumCharacters"/>, the end will be cropped to fit.
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/// </summary>
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/// <param name="text">The new text</param>
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/// <param name="removeMismatching">If any characters that don't match the <see cref="InputRule"/> should be left out</param>
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public void SetText(object text, bool removeMismatching = false) {
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var strg = text?.ToString() ?? string.Empty;
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if (removeMismatching) {
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var result = new StringBuilder();
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foreach (var c in strg) {
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if (this.InputRule(this, c.ToCachedString()))
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result.Append(c);
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}
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strg = result.ToString();
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} else if (!this.InputRule(this, strg))
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return;
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if (this.MaximumCharacters != null && strg.Length > this.MaximumCharacters)
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strg = strg.Substring(0, this.MaximumCharacters.Value);
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this.text.Clear();
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this.text.Append(strg);
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this.CaretPos = this.text.Length;
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this.HandleTextChange();
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}
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/// <summary>
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/// Inserts the given text at the <see cref="CaretPos"/>.
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/// If the resulting <see cref="Text"/> exceeds <see cref="MaximumCharacters"/>, the end will be cropped to fit.
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/// </summary>
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/// <param name="text">The text to insert</param>
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public void InsertText(object text) {
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var strg = text.ToString();
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if (!this.InputRule(this, strg))
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return;
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if (this.MaximumCharacters != null && this.text.Length + strg.Length > this.MaximumCharacters)
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strg = strg.Substring(0, this.MaximumCharacters.Value - this.text.Length);
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this.text.Insert(this.CaretPos, strg);
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this.CaretPos += strg.Length;
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this.HandleTextChange();
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}
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/// <summary>
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/// Removes the given amount of text at the given index
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/// </summary>
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/// <param name="index">The index</param>
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/// <param name="length">The amount of text to remove</param>
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public void RemoveText(int index, int length) {
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if (index < 0 || index >= this.text.Length)
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return;
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this.text.Remove(index, length);
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// ensure that caret pos is still in bounds
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this.CaretPos = this.CaretPos;
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this.HandleTextChange();
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}
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/// <inheritdoc />
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protected override void InitStyle(UiStyle style) {
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base.InitStyle(style);
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this.TextScale.SetFromStyle(style.TextScale);
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this.Font.SetFromStyle(style.Font);
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this.Texture.SetFromStyle(style.TextFieldTexture);
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this.HoveredTexture.SetFromStyle(style.TextFieldHoveredTexture);
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this.HoveredColor.SetFromStyle(style.TextFieldHoveredColor);
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}
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/// <summary>
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/// A delegate method used for <see cref="TextField.OnTextChange"/>
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/// </summary>
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