Tastudio - support drag n drop of tasproj files onto the Tastudio dialog

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.Designer.cs

@@ -972,6 +972,7 @@ namespace BizHawk.Client.EmuHawk
 			// 
 			// TAStudio
 			// 
+			this.AllowDrop = true;
 			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 			this.ClientSize = new System.Drawing.Size(506, 519);
@@ -988,6 +989,8 @@ namespace BizHawk.Client.EmuHawk
 			this.Text = "TAStudio";
 			this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Tastudio_Closing);
 			this.Load += new System.EventHandler(this.Tastudio_Load);
+			this.DragDrop += new System.Windows.Forms.DragEventHandler(this.TAStudio_DragDrop);
+			this.DragEnter += new System.Windows.Forms.DragEventHandler(this.TAStudio_DragEnter);
 			this.TASMenu.ResumeLayout(false);
 			this.TASMenu.PerformLayout();
 			this.TasStatusStrip.ResumeLayout(false);

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.MenuItems.cs

@@ -59,21 +59,7 @@ namespace BizHawk.Client.EmuHawk
 				var file = ToolHelpers.GetTasProjFileFromUser(filename);
 				if (file != null)
 				{
-					CurrentTasMovie.Filename = file.FullName;
+					LoadFile(file);
-					CurrentTasMovie.Load();
-					Global.Config.RecentTas.Add(CurrentTasMovie.Filename);
-
-					if (CurrentTasMovie.InputLogLength > 0) // TODO: this is probably reoccuring logic, break off into a function
-					{
-						CurrentTasMovie.SwitchToPlay();
-					}
-					else
-					{
-						CurrentTasMovie.SwitchToRecord();
-					}
-
-					RefreshDialog();
-					MessageStatusLabel.Text = Path.GetFileName(CurrentTasMovie.Filename) + " loaded.";
 				}
 			}
 		}

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs

@@ -473,6 +473,25 @@ namespace BizHawk.Client.EmuHawk
 			}
 		}
 
+		private void LoadFile(FileInfo file)
+		{
+			CurrentTasMovie.Filename = file.FullName;
+			CurrentTasMovie.Load();
+			Global.Config.RecentTas.Add(CurrentTasMovie.Filename);
+
+			if (CurrentTasMovie.InputLogLength > 0) // TODO: this is probably reoccuring logic, break off into a function
+			{
+				CurrentTasMovie.SwitchToPlay();
+			}
+			else
+			{
+				CurrentTasMovie.SwitchToRecord();
+			}
+
+			RefreshDialog();
+			MessageStatusLabel.Text = Path.GetFileName(CurrentTasMovie.Filename) + " loaded.";
+		}
+
 		#region Dialog Events
 
 		private void Tastudio_Load(object sender, EventArgs e)
@@ -587,6 +606,27 @@ namespace BizHawk.Client.EmuHawk
 			RemoveMarkersContextMenuItem.Enabled = CurrentTasMovie.Markers.Any(m => TasView.SelectedRows.Contains(m.Frame)); // Disable the option to remove markers if no markers are selected (FCEUX does this).
 		}
 
+		private void TAStudio_DragEnter(object sender, DragEventArgs e)
+		{
+			e.Effect = e.Data.GetDataPresent(DataFormats.FileDrop) ? DragDropEffects.Copy : DragDropEffects.None;
+		}
+
+		private void TAStudio_DragDrop(object sender, DragEventArgs e)
+		{
+			var filePaths = (string[])e.Data.GetData(DataFormats.FileDrop);
+			if (Path.GetExtension(filePaths[0]) == "." + TasMovie.Extension)
+			{
+				var file = new FileInfo(filePaths[0]);
+				if (file != null)
+				{
+					if (AskSaveChanges())
+					{
+						LoadFile(file);
+					}
+				}
+			}
+		}
+
 		#endregion
 	}
 }