private void DrawTextNative(MeshGenerationContextUtils.TextParams textParams, TextHandle handle, float pixelsPerPoint) { float scaling = TextHandle.ComputeTextScaling(this.currentElement.worldTransform, pixelsPerPoint); TextNativeSettings textNativeSettings = MeshGenerationContextUtils.TextParams.GetTextNativeSettings(textParams, scaling); using (NativeArray <UnityEngine.UIElements.TextVertex> vertices = TextNative.GetVertices(textNativeSettings)) { bool flag = vertices.Length == 0; if (!flag) { Vector2 offset = TextNative.GetOffset(textNativeSettings, textParams.rect); this.m_CurrentEntry.isTextEntry = true; this.m_CurrentEntry.clipRectID = this.m_ClipRectID; this.m_CurrentEntry.isStencilClipped = this.m_StencilClip; MeshBuilder.MakeText(vertices, offset, new MeshBuilder.AllocMeshData { alloc = this.m_AllocRawVertsIndicesDelegate }); this.m_CurrentEntry.font = textParams.font.material.mainTexture; this.m_Entries.Add(this.m_CurrentEntry); this.totalVertices += this.m_CurrentEntry.vertices.Length; this.totalIndices += this.m_CurrentEntry.indices.Length; this.m_CurrentEntry = default(UIRStylePainter.Entry); this.currentElement.renderChainData.usesLegacyText = true; this.currentElement.renderChainData.disableNudging = true; } } }
internal void DrawWithTextSelectionAndCursor(MeshGenerationContext mgc, string newText) { var playmodeTintColor = panel.contextType == ContextType.Editor ? UIElementsUtility.editorPlayModeTintColor : Color.white; var keyboardTextEditor = editorEventHandler as KeyboardTextEditorEventHandler; if (keyboardTextEditor == null) { return; } keyboardTextEditor.PreDrawCursor(newText); int cursorIndex = editorEngine.cursorIndex; int selectIndex = editorEngine.selectIndex; Rect localPosition = editorEngine.localPosition; var scrollOffset = editorEngine.scrollOffset; float textScaling = TextHandle.ComputeTextScaling(worldTransform, GUIUtility.pixelsPerPoint); var textParams = MeshGenerationContextUtils.TextParams.MakeStyleBased(this, text); textParams.text = " "; textParams.wordWrapWidth = 0.0f; textParams.wordWrap = false; float lineHeight = m_TextHandle.ComputeTextHeight(textParams, textScaling); float wordWrapWidth = 0.0f; // Make sure to take into account the word wrap style... if (editorEngine.multiline && (resolvedStyle.whiteSpace == WhiteSpace.Normal)) { wordWrapWidth = contentRect.width; // Since the wrapping is enabled, there is no need to offset the text... It will always fit the space on screen ! scrollOffset = Vector2.zero; } GUIUtility.compositionCursorPos = editorEngine.graphicalCursorPos - scrollOffset + new Vector2(localPosition.x, localPosition.y + lineHeight); Color drawCursorColor = cursorColor; int selectionEndIndex = string.IsNullOrEmpty(GUIUtility.compositionString) ? selectIndex : cursorIndex + GUIUtility.compositionString.Length; CursorPositionStylePainterParameters cursorParams; // Draw highlighted section, if any if ((cursorIndex != selectionEndIndex) && !isDragging) { int min = cursorIndex < selectionEndIndex ? cursorIndex : selectionEndIndex; int max = cursorIndex > selectionEndIndex ? cursorIndex : selectionEndIndex; cursorParams = CursorPositionStylePainterParameters.GetDefault(this, text); cursorParams.text = editorEngine.text; cursorParams.wordWrapWidth = wordWrapWidth; cursorParams.cursorIndex = min; Vector2 minPos = m_TextHandle.GetCursorPosition(cursorParams, textScaling); cursorParams.cursorIndex = max; Vector2 maxPos = m_TextHandle.GetCursorPosition(cursorParams, textScaling); minPos -= scrollOffset; maxPos -= scrollOffset; if (Mathf.Approximately(minPos.y, maxPos.y)) { mgc.Rectangle(new MeshGenerationContextUtils.RectangleParams() { rect = new Rect(minPos.x, minPos.y, maxPos.x - minPos.x, lineHeight), color = selectionColor, playmodeTintColor = playmodeTintColor }); } else { // Draw first line mgc.Rectangle(new MeshGenerationContextUtils.RectangleParams() { rect = new Rect(minPos.x, minPos.y, contentRect.xMax - minPos.x, lineHeight), color = selectionColor, playmodeTintColor = playmodeTintColor }); var inbetweenHeight = (maxPos.y - minPos.y) - lineHeight; if (inbetweenHeight > 0f) { // Draw all lines in-between mgc.Rectangle(new MeshGenerationContextUtils.RectangleParams() { rect = new Rect(contentRect.xMin, minPos.y + lineHeight, contentRect.width, inbetweenHeight), color = selectionColor, playmodeTintColor = playmodeTintColor }); } // Draw last line if not empty if (maxPos.x != contentRect.x) { mgc.Rectangle(new MeshGenerationContextUtils.RectangleParams() { rect = new Rect(contentRect.xMin, maxPos.y, maxPos.x, lineHeight), color = selectionColor, playmodeTintColor = playmodeTintColor }); } } } // Draw the text with the scroll offset if (!string.IsNullOrEmpty(editorEngine.text) && contentRect.width > 0.0f && contentRect.height > 0.0f) { textParams = MeshGenerationContextUtils.TextParams.MakeStyleBased(this, text); textParams.rect = new Rect(contentRect.x - scrollOffset.x, contentRect.y - scrollOffset.y, contentRect.width + scrollOffset.x, contentRect.height + scrollOffset.y); textParams.text = editorEngine.text; mgc.Text(textParams, m_TextHandle); } // Draw the cursor if (!isReadOnly && !isDragging) { if (cursorIndex == selectionEndIndex && computedStyle.unityFont.value != null) { cursorParams = CursorPositionStylePainterParameters.GetDefault(this, text); cursorParams.text = editorEngine.text; cursorParams.wordWrapWidth = wordWrapWidth; cursorParams.cursorIndex = cursorIndex; Vector2 cursorPosition = m_TextHandle.GetCursorPosition(cursorParams, textScaling); cursorPosition -= scrollOffset; mgc.Rectangle(new MeshGenerationContextUtils.RectangleParams { rect = new Rect(cursorPosition.x, cursorPosition.y, 1f, lineHeight), color = drawCursorColor, playmodeTintColor = playmodeTintColor }); } // Draw alternate cursor, if any if (editorEngine.altCursorPosition != -1) { cursorParams = CursorPositionStylePainterParameters.GetDefault(this, text); cursorParams.text = editorEngine.text.Substring(0, editorEngine.altCursorPosition); cursorParams.wordWrapWidth = wordWrapWidth; cursorParams.cursorIndex = editorEngine.altCursorPosition; Vector2 altCursorPosition = m_TextHandle.GetCursorPosition(cursorParams, textScaling); altCursorPosition -= scrollOffset; mgc.Rectangle(new MeshGenerationContextUtils.RectangleParams { rect = new Rect(altCursorPosition.x, altCursorPosition.y, 1f, lineHeight), color = drawCursorColor, playmodeTintColor = playmodeTintColor }); } } keyboardTextEditor.PostDrawCursor(); }