From 07b4db466606bf47e315ee5217a5f8327829bb25 Mon Sep 17 00:00:00 2001
From: Lorenz Cuno Klopfenstein <lck@klopfenstein.net>
Date: Wed, 23 Jun 2010 17:09:16 +0200
Subject: [PATCH] Added basic resizing with mouse wheel (bugged still).

---
 OnTopReplica/AspectRatioForm.cs | 26 ++++++++++++++++++--------
 OnTopReplica/MainForm.cs        |  6 ++++++
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/OnTopReplica/AspectRatioForm.cs b/OnTopReplica/AspectRatioForm.cs
index e8a94ed..bfd4c39 100644
--- a/OnTopReplica/AspectRatioForm.cs
+++ b/OnTopReplica/AspectRatioForm.cs
@@ -70,6 +70,24 @@ namespace OnTopReplica {
             ClientSize = new Size(newWidth, newHeight);
         }
 
+        public void AdjustSize(double delta) {
+            int newWidth = Math.Max((int)(ClientSize.Width + delta), MinimumSize.Width);
+            int newHeight = (int)((newWidth - ExtraPadding.Horizontal) / AspectRatio + ExtraPadding.Vertical);
+
+            //Readjust if we go lower than minimal height
+            if (newHeight < MinimumSize.Height) {
+                newHeight = MinimumSize.Height;
+                newWidth = (int)((newHeight - ExtraPadding.Vertical) * AspectRatio + ExtraPadding.Horizontal);
+            }
+
+            //Compute movement to re-center
+            int deltaX = newWidth - ClientSize.Width;
+            int deltaY = newHeight - ClientSize.Height;
+
+            ClientSize = new Size(newWidth, newHeight);
+            Location = new Point(Location.X - (deltaX / 2), Location.Y - (deltaY / 2));
+        }
+
         /// <summary>
         /// Updates the aspect ratio of the form and forces a refresh.
         /// </summary>
@@ -146,14 +164,6 @@ namespace OnTopReplica {
             return new Size(size.Width - clientSizeConversionWidth, size.Height - clientSizeConversionHeight);
         }
 
-        /*private void ClientSizeInit() {
-            if (clientSizeConversionSet)
-                return;
-
-            clientSizeConversionWidth = this.Size.Width - this.ClientSize.Width;
-            clientSizeConversionHeight = this.ClientSize.Width - this.ClientSize.Height;
-        }*/
-
         protected override void OnShown(EventArgs e) {
             base.OnShown(e);
 
diff --git a/OnTopReplica/MainForm.cs b/OnTopReplica/MainForm.cs
index fa943a6..3b26e50 100644
--- a/OnTopReplica/MainForm.cs
+++ b/OnTopReplica/MainForm.cs
@@ -229,6 +229,12 @@ namespace OnTopReplica {
                 new Margins(-1);
         }
 
+        protected override void OnMouseWheel(MouseEventArgs e) {
+            base.OnMouseWheel(e);
+
+            AdjustSize(e.Delta);
+        }
+
 		protected override void OnShown(EventArgs e) {
             base.OnShown(e);