// COPYRIGHT (C) Tom. ALL RIGHTS RESERVED.
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// THE AntdUI PROJECT IS AN WINFORM LIBRARY LICENSED UNDER THE Apache-2.0 License.
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// LICENSED UNDER THE Apache License, VERSION 2.0 (THE "License")
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// YOU MAY NOT USE THIS FILE EXCEPT IN COMPLIANCE WITH THE License.
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// YOU MAY OBTAIN A COPY OF THE LICENSE AT
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING, SOFTWARE
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// DISTRIBUTED UNDER THE LICENSE IS DISTRIBUTED ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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// SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING PERMISSIONS AND
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// LIMITATIONS UNDER THE License.
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// GITEE: https://gitee.com/antdui/AntdUI
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// GITHUB: https://github.com/AntdUI/AntdUI
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// CSDN: https://blog.csdn.net/v_132
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// QQ: 17379620
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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namespace AntdUI
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{
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/// <summary>
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/// 透明文本框
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/// </summary>
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partial class Input
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{
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bool mouseDown = false, mouseDownMove = false;
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Point oldMouseDown;
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bool MouseDownSetFocus = false;
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protected override void OnMouseDown(MouseEventArgs e)
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{
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base.OnMouseDown(e);
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if (HasFocus && (DateTime.Now - HasFocusTime).TotalMilliseconds > 200) MouseDownSetFocus = false;
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else
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{
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MouseDownSetFocus = true;
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Focus();
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Select();
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}
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is_prefix_down = is_suffix_down = false;
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if (e.Button == MouseButtons.Left)
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{
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if (cache_font != null && e.Clicks > 1 && !BanInput)
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{
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mouseDownMove = mouseDown = false;
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var index = GetCaretPostion(e.X + scrollx, e.Y + scrolly);
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int start = 0, end;
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if (index > 0) start = FindStart(cache_font, index - 2);
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if (index >= cache_font.Length) end = cache_font.Length;
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else end = FindEnd(cache_font, index);
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SelectionStart = start;
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SelectionLength = end - start;
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return;
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}
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if (is_clear && rect_r.Contains(e.Location))
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{
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is_clear_down = true;
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return;
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}
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if (HasPrefix && rect_l.Contains(e.Location) && PrefixClick != null)
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{
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is_prefix_down = true;
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return;
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}
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if (HasSuffix && rect_r.Contains(e.Location) && SuffixClick != null)
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{
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is_suffix_down = true;
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return;
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}
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if (IMouseDown(e.Location)) return;
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if (ScrollYShow && autoscroll && ScrollHover)
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{
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float y = (e.Y - ScrollSlider.Height / 2F) / ScrollRect.Height, VrValue = ScrollYMax + ScrollRect.Height;
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ScrollY = (int)(y * VrValue);
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ScrollYDown = true;
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return;
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}
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mouseDownMove = false;
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oldMouseDown = e.Location;
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if (BanInput) return;
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int indeX = GetCaretPostion(e.X + scrollx, e.Y + scrolly);
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if (ModifierKeys.HasFlag(Keys.Shift))
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{
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if (indeX > selectionStartTemp)
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{
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if (selectionStart != selectionStartTemp) SelectionStart = selectionStartTemp;
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SelectionLength = indeX - selectionStartTemp;
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}
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else
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{
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int len = selectionStartTemp - indeX;
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SelectionStart = indeX;
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SelectionLength = len;
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}
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}
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else
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{
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SelectionStart = GetCaretPostion(e.X + scrollx, e.Y + scrolly);
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SelectionLength = 0;
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SetCaretPostion(selectionStart);
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}
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if (cache_font != null) mouseDown = true;
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else if (ModeRange) SetCaretPostion();
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}
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}
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bool hover_clear = false;
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protected override void OnMouseMove(MouseEventArgs e)
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{
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base.OnMouseMove(e);
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if (ScrollYDown)
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{
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float y = (e.Y - ScrollSlider.Height / 2F) / ScrollRect.Height, VrValue = ScrollYMax + ScrollRect.Height;
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ScrollY = (int)(y * VrValue);
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return;
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}
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else if (mouseDown && cache_font != null)
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{
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mouseDownMove = true;
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SetCursor(CursorType.IBeam);
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var index = GetCaretPostion(oldMouseDown.X + scrollx + (e.X - oldMouseDown.X), oldMouseDown.Y + scrolly + (e.Y - oldMouseDown.Y));
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SelectionLength = Math.Abs(index - selectionStart);
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if (index > selectionStart) selectionStartTemp = selectionStart;
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else selectionStartTemp = index;
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SetCaretPostion(index);
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}
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else
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{
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if (ScrollYShow && autoscroll) ScrollHover = ScrollRect.Contains(e.Location);
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if (is_clear)
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{
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var hover = rect_r.Contains(e.Location);
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if (hover_clear != hover)
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{
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hover_clear = hover;
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Invalidate();
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}
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if (hover) { SetCursor(true); return; }
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}
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if ((HasPrefix && rect_l.Contains(e.Location) && PrefixClick != null) || (HasSuffix && rect_r.Contains(e.Location) && SuffixClick != null))
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{
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SetCursor(true);
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return;
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}
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if (IMouseMove(e.Location)) SetCursor(true);
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else if (ReadShowCaret)
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{
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if (rect_text.Contains(e.Location)) SetCursor(true);
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else SetCursor(false);
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}
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else
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{
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if (rect_text.Contains(e.Location)) SetCursor(CursorType.IBeam);
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else SetCursor(false);
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}
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}
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}
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protected override void OnMouseWheel(MouseEventArgs e)
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{
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if (ScrollYShow && autoscroll && e.Delta != 0) ScrollY -= e.Delta;
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base.OnMouseWheel(e);
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}
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protected override void OnMouseUp(MouseEventArgs e)
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{
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base.OnMouseUp(e);
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ScrollYDown = false;
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if (is_clear_down)
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{
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if (rect_r.Contains(e.Location)) OnClearValue();
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is_clear_down = false;
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}
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if (is_prefix_down && PrefixClick != null)
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{
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PrefixClick(this, e);
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is_prefix_down = is_suffix_down = false;
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return;
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}
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if (is_suffix_down && SuffixClick != null)
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{
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SuffixClick(this, e);
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is_prefix_down = is_suffix_down = false;
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return;
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}
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if (IMouseUp(e.Location)) return;
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if (mouseDown && mouseDownMove && cache_font != null)
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{
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var index = GetCaretPostion(e.X + scrollx, e.Y + scrolly);
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if (selectionStart == index) SelectionLength = 0;
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else if (index > selectionStart)
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{
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SelectionLength = Math.Abs(index - selectionStart);
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SelectionStart = selectionStart;
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}
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else
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{
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int x = scrollx;
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SelectionLength = Math.Abs(index - selectionStart);
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SelectionStart = index;
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ScrollX = x;
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}
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}
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else OnFocusClick(MouseDownSetFocus);
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mouseDown = false;
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}
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List<string> sptext = new List<string>{
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"，",
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",",
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"。",
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".",
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"；",
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";",
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" ",
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"/",
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"\\",
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"\r","\t","\n","\r\n"
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};
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/// <summary>
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/// 查找前面
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/// </summary>
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int FindStart(CacheFont[] cache_font, int index)
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{
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for (int i = index; i >= 0; i--)
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{
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if (sptext.Contains(cache_font[i].text)) return i + 1;
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}
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return 0;
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}
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/// <summary>
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/// 查找后面
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/// </summary>
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int FindEnd(CacheFont[] cache_font, int index)
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{
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int end = cache_font.Length;
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for (int i = index; i < end; i++)
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{
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if (sptext.Contains(cache_font[i].text)) return i;
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}
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return end;
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}
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#region 鼠标进出
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internal bool _mouseDown = false;
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internal bool ExtraMouseDown
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{
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get => _mouseDown;
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set
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{
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if (_mouseDown == value) return;
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_mouseDown = value;
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ChangeMouseHover(_mouseHover, value);
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if (Config.Animation && WaveSize > 0)
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{
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ThreadFocus?.Dispose();
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AnimationFocus = true;
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if (value)
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{
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ThreadFocus = new ITask(this, () =>
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{
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AnimationFocusValue += 4;
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if (AnimationFocusValue > 30) return false;
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Invalidate();
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return true;
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}, 20, () =>
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{
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AnimationFocus = false;
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Invalidate();
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});
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}
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else
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{
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ThreadFocus = new ITask(this, () =>
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{
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AnimationFocusValue -= 4;
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if (AnimationFocusValue < 1) return false;
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Invalidate();
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return true;
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}, 20, () =>
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{
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AnimationFocus = false;
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Invalidate();
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});
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}
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}
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else Invalidate();
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}
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}
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protected override void OnMouseEnter(EventArgs e)
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{
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ExtraMouseHover = true;
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base.OnMouseEnter(e);
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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ExtraMouseHover = false;
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base.OnMouseLeave(e);
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}
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internal int AnimationHoverValue = 0;
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internal bool AnimationHover = false;
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internal bool _mouseHover = false;
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internal bool ExtraMouseHover
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{
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get => _mouseHover;
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set
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{
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if (_mouseHover == value) return;
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_mouseHover = value;
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ChangeMouseHover(value, _mouseDown);
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if (Enabled)
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{
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OnAllowClear();
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if (Config.Animation && !ExtraMouseDown)
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{
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ThreadHover?.Dispose();
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AnimationHover = true;
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if (value)
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{
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ThreadHover = new ITask(this, () =>
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{
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AnimationHoverValue += 20;
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if (AnimationHoverValue > 255) { AnimationHoverValue = 255; return false; }
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Invalidate();
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return true;
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}, 10, () =>
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{
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AnimationHover = false;
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Invalidate();
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});
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}
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else
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{
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ThreadHover = new ITask(this, () =>
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{
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AnimationHoverValue -= 20;
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if (AnimationHoverValue < 1) { AnimationHoverValue = 0; return false; }
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Invalidate();
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return true;
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}, 10, () =>
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{
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AnimationHover = false;
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Invalidate();
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});
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}
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}
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else AnimationHoverValue = 255;
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Invalidate();
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}
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}
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}
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#endregion
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#region 事件
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[Description("前缀 点击时发生"), Category("行为")]
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public event MouseEventHandler? PrefixClick = null;
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[Description("后缀 点击时发生"), Category("行为")]
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public event MouseEventHandler? SuffixClick = null;
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#endregion
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}
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}
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