WIP: collapsing tile panel + heading

Windows/Forms/HeadingPanel.Designer.cs

@@ -48,6 +48,8 @@
             this.label1.Size = new System.Drawing.Size(575, 20);
             this.label1.TabIndex = 8;
             this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            this.label1.MouseClick += new System.Windows.Forms.MouseEventHandler(this.HeadingPanel_MouseClick);
+            this.label1.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.HeadingPanel_MouseClick);
             // 
             // pictureBox1
             // 
@@ -65,6 +67,8 @@
             this.pictureBox1.Size = new System.Drawing.Size(20, 20);
             this.pictureBox1.TabIndex = 7;
             this.pictureBox1.TabStop = false;
+            this.pictureBox1.MouseClick += new System.Windows.Forms.MouseEventHandler(this.HeadingPanel_MouseClick);
+            this.pictureBox1.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.HeadingPanel_MouseClick);
             // 
             // HeadingPanel
             // 
@@ -75,6 +79,7 @@
             this.MinimumSize = new System.Drawing.Size(100, 20);
             this.Name = "HeadingPanel";
             this.Size = new System.Drawing.Size(600, 20);
+            this.MouseClick += new System.Windows.Forms.MouseEventHandler(this.HeadingPanel_MouseClick);
             ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
             this.ResumeLayout(false);
 

Windows/Forms/HeadingPanel.cs

@@ -1,4 +1,7 @@
-using System.ComponentModel;
+using System;
+using System.ComponentModel;
+using System.Threading.Tasks;
+using System.Windows.Forms;
 
 namespace AppLauncher.Windows.Forms
 {
@@ -11,6 +14,7 @@ namespace AppLauncher.Windows.Forms
             InitializeComponent();
 
             this.Checked = false;
+
         }
 
         [Category("Appearance"), Browsable(true)]
@@ -28,5 +32,46 @@ namespace AppLauncher.Windows.Forms
             }
         }
 
+        public TilePanelContainer TilePanelContainer { get; set; } = null;
+
+        protected async override void OnLoad(EventArgs e)
+        {
+            base.OnLoad(e);
+
+            if (this.TilePanelContainer != null)
+            {
+                if (this.Checked)
+                {
+                    await this.TilePanelContainer.Expand(120);
+                }
+                else
+                {
+                    await this.TilePanelContainer.Collapse(0);
+                }
+            }
+        }
+
+        private async void HeadingPanel_MouseClick(object sender, MouseEventArgs e)
+        {
+            if (e.Button != MouseButtons.Left)
+            {
+                return;
+            }
+
+            this.Checked = !this.Checked;
+
+            if (this.TilePanelContainer != null)
+            {
+                if (this.Checked)
+                {
+                    await this.TilePanelContainer.Expand(120);
+                }
+                else
+                {
+                    await this.TilePanelContainer.Collapse(0);
+                }
+            }
+        }
+
     }
 }

Windows/Forms/TilePanelContainer.cs

@@ -4,6 +4,7 @@ using System.ComponentModel;
 using System.Drawing;
 using System.Linq;
 using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
@@ -26,27 +27,72 @@ namespace AppLauncher.Windows.Forms
             OnResize(e);
         }
 
-
-        protected override void OnResize(EventArgs e)
+        public Point GridSize
         {
-            base.OnResize(e);
+            get
+            {
+                int w = (int)Math.Floor(decimal.Divide(this.Width, this.TileSize));
+                int h = (int)Math.Floor(decimal.Divide(this.Height, this.TileSize));
 
-            int tileWidth = (tileSize + margin);
-            int w = (int)Math.Floor(decimal.Divide(this.Width, tileWidth));
-            int h = (int)Math.Floor(decimal.Divide(this.Height, tileWidth));
-
-            this.GridSize = new Point(w, h);
+                return new Point(w, h);
+            }
         }
 
-        public Point GridSize { get; protected set; }
+        public int TileSize => (tileSize + margin);
+
+
+        public async Task Collapse(int height, int increment = 6)
+        {
+            await Task.Run(() =>
+            {
+                while (this.Height > height)
+                {
+                    if (this.InvokeRequired)
+                    {
+                        this.Invoke(new MethodInvoker(() => {
+                            this.Height -= increment;
+                        }));
+                    }
+                    else
+                    {
+                        this.Height -= increment;
+                    }
+
+                    Thread.Sleep(10);
+                }
+            });
+        }
+
+        public async Task Expand(int height, int increment = 8)
+        {
+            await Task.Run(() =>
+            {
+                while (this.Height < height)
+                {
+                    if (this.InvokeRequired)
+                    {
+                        this.Invoke(new MethodInvoker(() => {
+                            this.Height += increment;
+                            this.Invalidate();
+                        }));
+                    }
+                    else
+                    {
+                        this.Height += increment;
+                        this.Invalidate();
+                    }
+
+                    Thread.Sleep(10);
+                }
+            });
+        }
 
         public Point GetTileCoord(Point location) => this.GetTileCoord(location.X, location.Y);
 
         public Point GetTileCoord(int posX, int posY)
         {
-            int w = (tileSize + margin);
-            int x = (int)Math.Round(decimal.Divide(posX, w));
-            int y = (int)Math.Round(decimal.Divide(posY, w));
+            int x = (int)Math.Round(decimal.Divide(posX, this.TileSize));
+            int y = (int)Math.Round(decimal.Divide(posY, this.TileSize));
 
             if (x < 0) x = 0;
             if (y < 0) y = 0;
@@ -58,15 +104,18 @@ namespace AppLauncher.Windows.Forms
 
         public Point GetTilePosition(int posX, int posY)
         {
-            int w = (tileSize + margin);
-            int x = (int)Math.Round(decimal.Divide(posX, w));
-            int y = (int)Math.Round(decimal.Divide(posY, w));
+            int x = (int)Math.Round(decimal.Divide(posX, this.TileSize));
+            int y = (int)Math.Round(decimal.Divide(posY, this.TileSize));
 
             if (x < 0) x = 0;
             if (y < 0) y = 0;
 
-            return new Point((x * w), (y * w));
+            return new Point((x * this.TileSize), (y * this.TileSize));
         }
 
+        public void SetGridSize(int width, int height)
+        {
+            this.Size = new Size((this.TileSize * width), (this.TileSize * height));
+        }
     }
-}
+}