static private NofitySplitNewLine ( |
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listener | ||
e | ||
Résultat | void |
public bool OnProcessDialogKey(UIKeyEventArgs e) { UIKeys keyData = (UIKeys)e.KeyData; SetCaretState(true); if (isInVerticalPhase && (keyData != UIKeys.Up || keyData != UIKeys.Down)) { isInVerticalPhase = false; } switch (e.KeyCode) { case UIKeys.Home: { OnKeyDown(e); return(true); } case UIKeys.Return: { if (textSurfaceEventListener != null && TextSurfaceEventListener.NotifyPreviewEnter(textSurfaceEventListener)) { return(true); } if (isMultiLine) { if (internalTextLayerController.SelectionRange != null) { InvalidateGraphicLocalArea(this, GetSelectionUpdateArea()); } internalTextLayerController.SplitCurrentLineIntoNewLine(); if (textSurfaceEventListener != null) { TextSurfaceEventListener.NofitySplitNewLine(textSurfaceEventListener, e); } Rectangle lineArea = internalTextLayerController.CurrentLineArea; if (lineArea.Bottom > this.ViewportBottom) { ScrollBy(0, lineArea.Bottom - this.ViewportBottom); } else { InvalidateGraphicOfCurrentLineArea(); } EnsureCaretVisible(); return(true); } return(true); } case UIKeys.Left: { if (textSurfaceEventListener != null && TextSurfaceEventListener.NotifyPreviewArrow(textSurfaceEventListener, keyData)) { return(true); } InvalidateGraphicOfCurrentLineArea(); if (!e.Shift) { internalTextLayerController.CancelSelect(); } else { internalTextLayerController.StartSelectIfNoSelection(); } Point currentCaretPos = Point.Empty; if (!isMultiLine) { while (!internalTextLayerController.IsOnStartOfLine) { Point prvCaretPos = internalTextLayerController.CaretPos; internalTextLayerController.CharIndex--; currentCaretPos = internalTextLayerController.CaretPos; if (currentCaretPos.X != prvCaretPos.X) { break; } } } else { if (internalTextLayerController.IsOnStartOfLine) { internalTextLayerController.CharIndex--; currentCaretPos = internalTextLayerController.CaretPos; } else { while (!internalTextLayerController.IsOnStartOfLine) { Point prvCaretPos = internalTextLayerController.CaretPos; internalTextLayerController.CharIndex--; currentCaretPos = internalTextLayerController.CaretPos; if (currentCaretPos.X != prvCaretPos.X) { break; } } } } //------------------- if (e.Shift) { internalTextLayerController.EndSelectIfNoSelection(); } //------------------- EnsureCaretVisible(); if (textSurfaceEventListener != null) { TextSurfaceEventListener.NotifyArrowKeyCaretPosChanged(textSurfaceEventListener, keyData); } return(true); } case UIKeys.Right: { if (textSurfaceEventListener != null && TextSurfaceEventListener.NotifyPreviewArrow(textSurfaceEventListener, keyData)) { return(true); } InvalidateGraphicOfCurrentLineArea(); if (!e.Shift) { internalTextLayerController.CancelSelect(); } else { internalTextLayerController.StartSelectIfNoSelection(); } Point currentCaretPos = Point.Empty; if (!isMultiLine) { while (!internalTextLayerController.IsOnEndOfLine) { Point prvCaretPos = internalTextLayerController.CaretPos; internalTextLayerController.CharIndex++; currentCaretPos = internalTextLayerController.CaretPos; if (currentCaretPos.X != prvCaretPos.X) { int nextCharWidth = internalTextLayerController.GetNextCharacterWidth(); if (nextCharWidth > 0) { break; } } } } else { if (internalTextLayerController.IsOnEndOfLine) { internalTextLayerController.CharIndex++; currentCaretPos = internalTextLayerController.CaretPos; } else { while (!internalTextLayerController.IsOnEndOfLine) { Point prvCaretPos = internalTextLayerController.CaretPos; internalTextLayerController.CharIndex++; currentCaretPos = internalTextLayerController.CaretPos; if (currentCaretPos.X != prvCaretPos.X) { //forward check next caret int nextCharWidth = internalTextLayerController.GetNextCharacterWidth(); if (nextCharWidth > 0) { break; } } } } } //------------------- if (e.Shift) { internalTextLayerController.EndSelectIfNoSelection(); } //------------------- EnsureCaretVisible(); if (textSurfaceEventListener != null) { TextSurfaceEventListener.NotifyArrowKeyCaretPosChanged(textSurfaceEventListener, keyData); } return(true); } case UIKeys.Down: { if (textSurfaceEventListener != null && TextSurfaceEventListener.NotifyPreviewArrow(textSurfaceEventListener, keyData)) { return(true); } if (isMultiLine) { if (!isInVerticalPhase) { isInVerticalPhase = true; verticalExpectedCharIndex = internalTextLayerController.CharIndex; } //---------------------------- if (!e.Shift) { internalTextLayerController.CancelSelect(); } else { internalTextLayerController.StartSelectIfNoSelection(); } //---------------------------- internalTextLayerController.CurrentLineNumber++; if (verticalExpectedCharIndex > internalTextLayerController.CurrentLineCharCount - 1) { internalTextLayerController.CharIndex = internalTextLayerController.CurrentLineCharCount - 1; } else { internalTextLayerController.CharIndex = verticalExpectedCharIndex; } //---------------------------- if (e.Shift) { internalTextLayerController.EndSelectIfNoSelection(); } //---------------------------- Rectangle lineArea = internalTextLayerController.CurrentLineArea; if (lineArea.Bottom > this.ViewportBottom) { ScrollBy(0, lineArea.Bottom - this.ViewportBottom); } else { InvalidateGraphicOfCurrentLineArea(); } } if (textSurfaceEventListener != null) { TextSurfaceEventListener.NotifyArrowKeyCaretPosChanged(textSurfaceEventListener, keyData); } return(true); } case UIKeys.Up: { if (textSurfaceEventListener != null && TextSurfaceEventListener.NotifyPreviewArrow(textSurfaceEventListener, keyData)) { return(true); } if (isMultiLine) { if (!isInVerticalPhase) { isInVerticalPhase = true; verticalExpectedCharIndex = internalTextLayerController.CharIndex; } //---------------------------- if (!e.Shift) { internalTextLayerController.CancelSelect(); } else { internalTextLayerController.StartSelectIfNoSelection(); } //---------------------------- internalTextLayerController.CurrentLineNumber--; if (verticalExpectedCharIndex > internalTextLayerController.CurrentLineCharCount - 1) { internalTextLayerController.CharIndex = internalTextLayerController.CurrentLineCharCount - 1; } else { internalTextLayerController.CharIndex = verticalExpectedCharIndex; } //---------------------------- if (e.Shift) { internalTextLayerController.EndSelectIfNoSelection(); } Rectangle lineArea = internalTextLayerController.CurrentLineArea; if (lineArea.Top < ViewportY) { ScrollBy(0, lineArea.Top - ViewportY); } else { EnsureCaretVisible(); InvalidateGraphicOfCurrentLineArea(); } } else { } if (textSurfaceEventListener != null) { TextSurfaceEventListener.NotifyArrowKeyCaretPosChanged(textSurfaceEventListener, keyData); } return(true); } case UIKeys.Tab: { DoTab(); return(true); } default: { return(false); } } }