Added a modified version of MonogameTextbox

Used for the Login Screen.

TSOClient/Gonzo/Gonzo/Elements/Monogame-Textbox/Cursor.cs

@@ -0,0 +1,174 @@
+
+// *************************************************************************** 
+// This is free and unencumbered software released into the public domain.
+// 
+// Anyone is free to copy, modify, publish, use, compile, sell, or
+// distribute this software, either in source code form or as a compiled
+// binary, for any purpose, commercial or non-commercial, and by any
+// means.
+// 
+// In jurisdictions that recognize copyright laws, the author or authors
+// of this software dedicate any and all copyright interest in the
+// software to the public domain. We make this dedication for the benefit
+// of the public at large and to the detriment of our heirs and
+// successors. We intend this dedication to be an overt act of
+// relinquishment in perpetuity of all present and future rights to this
+// software under copyright law.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+// 
+// For more information, please refer to <http://unlicense.org>
+// ***************************************************************************
+
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace MonoGame_Textbox
+{
+    public class Cursor
+    {
+        public Color Color { get; set; }
+        public Color Selection { get; set; }
+        public Rectangle Icon { get; set; }
+
+        public bool Active { get; set; }
+
+        private bool visible;
+        private readonly int ticksPerBlink;
+        private int ticks;
+
+        /// <summary>
+        ///     The current location of the cursor in the array
+        /// </summary>
+        public int TextCursor
+        {
+            get { return textCursor; }
+            set { textCursor = value.Clamp(0, textBox.Text.Length); }
+        }
+
+        /// <summary>
+        ///     All characters between SelectedChar and the TextCursor are selected
+        ///     when SelectedChar != null. Cannot be the same as the TextCursor value.
+        /// </summary>
+        public int? SelectedChar
+        {
+            get { return selectedChar; }
+            set
+            {
+                if (value.HasValue)
+                {
+                    if (value.Value != TextCursor)
+                    {
+                        selectedChar = (short)(value.Value.Clamp(0, textBox.Text.Length));
+                    }
+                }
+                else
+                {
+                    selectedChar = null;
+                }
+            }
+        }
+
+        private readonly TextBox textBox;
+
+        private int textCursor;
+        private int? selectedChar;
+
+        public Cursor(TextBox textBox, Color color, Color selection, Rectangle icon, int ticksPerBlink)
+        {
+            this.textBox = textBox;
+            Color = color;
+            Selection = selection;
+            Icon = icon;
+            Active = true;
+            visible = false;
+            this.ticksPerBlink = ticksPerBlink;
+            ticks = 0;
+        }
+
+        public void Update()
+        {
+            ticks++;
+
+            if (ticks <= ticksPerBlink)
+            {
+                return;
+            }
+
+            visible = !visible;
+            ticks = 0;
+        }
+
+        public void Draw(SpriteBatch spriteBatch, float? LayerDepth)
+        {
+            float Depth;
+            if (LayerDepth != null)
+                Depth = (float)LayerDepth;
+            else
+                Depth = 0.9f; //Cursors are always drawn on top.
+
+            // Top left corner of the text area.
+            int x = textBox.Renderer.Area.X;
+            int y = textBox.Renderer.Area.Y;
+
+            Point cp = GetPosition(x, y, TextCursor);
+            if (selectedChar.HasValue)
+            {
+                Point sc = GetPosition(x, y, selectedChar.Value);
+                if (sc.X > cp.X)
+                {
+                    spriteBatch.Draw(spriteBatch.GetWhitePixel(),
+                        new Rectangle(cp.X, cp.Y, sc.X - cp.X, textBox.Renderer.Font.LineSpacing), Icon, Selection,
+                        0.0f, new Vector2(0.0f, 0.0f), SpriteEffects.None, Depth);
+                }
+                else
+                {
+                    spriteBatch.Draw(spriteBatch.GetWhitePixel(),
+                        new Rectangle(sc.X, sc.Y, cp.X - sc.X, textBox.Renderer.Font.LineSpacing), Icon, Selection,
+                        0.0f, new Vector2(0.0f, 0.0f), SpriteEffects.None, Depth);
+                }
+            }
+
+            if (!visible)
+            {
+                return;
+            }
+
+            spriteBatch.Draw(spriteBatch.GetWhitePixel(),
+                new Rectangle(cp.X, cp.Y, Icon.Width, textBox.Renderer.Font.LineSpacing), Icon, Color,
+                0.0f, new Vector2(0.0f, 0.0f), SpriteEffects.None, Depth);
+        }
+
+        private Point GetPosition(int x, int y, int pos)
+        {
+            if (pos > 0)
+            {
+                if (textBox.Text.Characters[pos - 1] == '\n'
+                    || textBox.Text.Characters[pos - 1] == '\r')
+                {
+                    // Beginning of next line.
+                    y += textBox.Renderer.Y[pos - 1] + textBox.Renderer.Font.LineSpacing;
+                }
+                else if (pos == textBox.Text.Length)
+                {
+                    // After last character.
+                    x += textBox.Renderer.X[pos - 1] + textBox.Renderer.Width[pos - 1];
+                    y += textBox.Renderer.Y[pos - 1];
+                }
+                else
+                {
+                    // Beginning of current character.
+                    x += textBox.Renderer.X[pos];
+                    y += textBox.Renderer.Y[pos];
+                }
+            }
+            return new Point(x, y);
+        }
+    }
+}

TSOClient/Gonzo/Gonzo/Elements/Monogame-Textbox/Extensions.cs

@@ -0,0 +1,61 @@
+// *************************************************************************** 
+// This is free and unencumbered software released into the public domain.
+// 
+// Anyone is free to copy, modify, publish, use, compile, sell, or
+// distribute this software, either in source code form or as a compiled
+// binary, for any purpose, commercial or non-commercial, and by any
+// means.
+// 
+// In jurisdictions that recognize copyright laws, the author or authors
+// of this software dedicate any and all copyright interest in the
+// software to the public domain. We make this dedication for the benefit
+// of the public at large and to the detriment of our heirs and
+// successors. We intend this dedication to be an overt act of
+// relinquishment in perpetuity of all present and future rights to this
+// software under copyright law.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+// 
+// For more information, please refer to <http://unlicense.org>
+// ***************************************************************************
+
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace MonoGame_Textbox
+{
+    public static class Extensions
+    {
+        private static Texture2D pixel;
+
+        public static Texture2D GetWhitePixel(this SpriteBatch spriteBatch)
+        {
+            if (pixel == null)
+            {
+                pixel = new Texture2D(spriteBatch.GraphicsDevice, 1, 1, false,
+                    SurfaceFormat.Color);
+                pixel.SetData(new[] { Color.White });
+            }
+            return pixel;
+        }
+
+        public static int Clamp(this int value, int min, int max)
+        {
+            if (value > max)
+            {
+                return max;
+            }
+            if (value < min)
+            {
+                return min;
+            }
+            return value;
+        }
+    }
+}