306 lines
10 KiB
C#
306 lines
10 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using MonogameLibrary.UI.Base;
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using MonogameLibrary.UI.Enums;
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using MonogameLibrary.UI.Interfaces;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using static System.Net.Mime.MediaTypeNames;
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namespace MonogameLibrary.UI.Elements
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{
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public class TextBox : DrawableTextedUiElement, IInteractable
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{
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public TextBox(UIManager manager, int layerIndex = 0) : base(manager, layerIndex)
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{
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OnEnter += (txt) => {
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isSelected = IsSelected.NotSelected;
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StopChanging?.Invoke(text);
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};
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}
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public delegate void OnTextChange(string text);
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public event OnTextChange? TextChanged;
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public event OnTextChange? StopChanging;
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public event OnTextChange? OnEnter;
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protected HoverState hoverState = HoverState.None;
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protected IsSelected isSelected = IsSelected.NotSelected;
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public bool shouldEndOnEnter;
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public virtual bool InteractUpdate(MouseState mouseState, MouseState prevmouseState)
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{
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if (isSelected == IsSelected.Selected)
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{
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if (Keyboard.GetState().IsKeyDown(Keys.Enter))
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{
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OnEnter?.Invoke(text);
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if (shouldEndOnEnter)
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{
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return false;
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}
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}
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InputManager.GetInput(ref text);
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}
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if (rectangle.Intersects(new Rectangle(mouseState.Position, Point.Zero)))
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{
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if (mouseState.LeftButton == ButtonState.Pressed)
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{
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hoverState = HoverState.Pressing;
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}
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else
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{
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hoverState = HoverState.Hovering;
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}
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if (prevmouseState.LeftButton == ButtonState.Pressed)
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{
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if (mouseState.LeftButton != prevmouseState.LeftButton)
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{
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hoverState = HoverState.Pressing;
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isSelected = IsSelected.Selected;
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TextChanged?.Invoke(text);
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return true;
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}
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}
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}
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else
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{
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if (mouseState.LeftButton == ButtonState.Pressed)
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{
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isSelected = IsSelected.NotSelected;
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StopChanging?.Invoke(text);
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}
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hoverState = HoverState.None;
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}
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return false;
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}
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public override void Draw(SpriteBatch _spriteBatch)
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{
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if (hoverState == HoverState.None)
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{
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if (isSelected == IsSelected.Selected)
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_spriteBatch.Draw(texture, rectangle, new Color(220, 220, 220));
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else
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_spriteBatch.Draw(texture, rectangle, new Color(245, 245, 245));
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}
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else if (hoverState == HoverState.Hovering)
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_spriteBatch.Draw(texture, rectangle, new Color(211, 211, 211));
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else
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_spriteBatch.Draw(texture, rectangle, new Color(112, 128, 144));
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DrawText(_spriteBatch);
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}
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}
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//TODO: add translation
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public static class InputManager
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{
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static List<Keys> pressed = new List<Keys>();
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static float del = 0;
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static bool isShiftPressed = false;
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static bool isCTRLPressed = false;
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static bool isALTPressed = false;
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static bool isCAPSLOCKOn = false;
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public static void GetInput(ref string text)
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{
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var state = Keyboard.GetState();
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var keys = state.GetPressedKeys();
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isShiftPressed = state.IsKeyDown(Keys.LeftShift) || state.IsKeyDown(Keys.RightShift);
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isCTRLPressed = state.IsKeyDown(Keys.LeftControl) || state.IsKeyDown(Keys.RightControl);
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isALTPressed = state.IsKeyDown(Keys.LeftAlt) || state.IsKeyDown(Keys.RightAlt);
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for (int i = 0; i < pressed.Count; i++)
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{
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if (!keys.Contains(pressed[i]))
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{
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pressed.RemoveAt(i);
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i--;
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}
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}
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foreach (var key in keys)
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{
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//System.Diagnostics.Debug.WriteLine(key.ToString());
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if (!pressed.Contains(key))
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{
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pressed.Add(key);
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string getPressed = KeyDecode(key);
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if (getPressed != null)
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{
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text += getPressed;
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}
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else
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{
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if (key == Keys.Back)
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{
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if (text.Length > 0)
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{
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text = text.Remove(text.Length - 1);
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del = 0;
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}
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}
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if (key == Keys.CapsLock)
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{
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isCAPSLOCKOn = !isCAPSLOCKOn;
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}
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}
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}
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if (IsKeySpecial(key))
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{
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del++;
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if (key == Keys.Back)
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{
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if (del>15)
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{
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if (text.Length > 0)
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text = text.Remove(text.Length - 1);
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del = 13;
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}
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}
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}
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}
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}
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public static string KeyDecode(Keys key)
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{
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string str = null;
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if ((int)key >= 65 && (int)key <= 90)
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{
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str = key.ToString();
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}
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else if ((int)key >= 48 && (int)key <= 57)
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{
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if (!isShiftPressed)
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{
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str = key.ToString().Trim('D');
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}
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else
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{
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switch (key)
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{
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case Keys.D1:
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return str = "!";
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case Keys.D2:
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return str = "@";
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case Keys.D3:
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return str = "#";
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case Keys.D4:
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return str = "$";
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case Keys.D5:
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return str = "%";
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case Keys.D6:
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return str = "^";
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case Keys.D7:
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return str = "&";
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case Keys.D8:
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return str = "*";
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case Keys.D9:
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return str = "(";
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case Keys.D0:
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return str = ")";
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}
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}
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}
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else if ((int)key >= 96 && (int)key <= 105)
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{
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str = key.ToString().Remove(0, 6);
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}
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if (str != null)
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{
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if ((!isShiftPressed && !isCAPSLOCKOn) || (isShiftPressed && isCAPSLOCKOn))
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return str.ToLower();
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else
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return str.ToUpper();
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}
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if (!isShiftPressed)
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{
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switch (key)
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{
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case Keys.Space:
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return " ";
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case Keys.OemTilde:
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return "`";
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case Keys.Enter:
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return "\n";
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case Keys.OemPipe:
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return "\\";
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case Keys.OemPlus:
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return "=";
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case Keys.OemMinus:
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return "-";
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case Keys.OemComma:
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return ",";
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case Keys.OemQuestion:
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return ".";
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case Keys.OemPeriod:
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return "/";
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case Keys.OemSemicolon:
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return ";";
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case Keys.OemQuotes:
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return "'";
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case Keys.OemOpenBrackets:
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return "[";
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case Keys.OemCloseBrackets:
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return "]";
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}
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}
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else
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{
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switch (key)
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{
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case Keys.Space:
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return " ";
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case Keys.OemTilde:
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return "~";
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case Keys.Enter:
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return "\n";
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case Keys.OemPipe:
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return "|";
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case Keys.OemPlus:
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return "+";
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case Keys.OemMinus:
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return "_";
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case Keys.OemComma:
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return "<";
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case Keys.OemQuestion:
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return ">";
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case Keys.OemPeriod:
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return "?";
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case Keys.OemSemicolon:
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return ":";
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case Keys.OemQuotes:
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return "\"";
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case Keys.OemOpenBrackets:
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return "{";
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case Keys.OemCloseBrackets:
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return "}";
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}
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}
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//else if ((int)key >= 112 && (int)key <= 125)
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//{
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// return key.ToString().Trim('F');
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//}
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return null;
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}
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public static bool IsKeySpecial(Keys key)
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{
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return (key == Keys.Back) || (key == Keys.Space);
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}
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}
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}
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