From 6148f03ac3297d52b7221f4051bdea5f2968c9f3 Mon Sep 17 00:00:00 2001
From: Ivan Mahonin <bh@icystar.com>
Date: Feb 08 2018 14:05:08 +0000
Subject: assistance: pressure (press 'i' to configure input)


---

diff --git a/mono/Assistance/MainWindow.cs b/mono/Assistance/MainWindow.cs
index 350c30d..899bafc 100644
--- a/mono/Assistance/MainWindow.cs
+++ b/mono/Assistance/MainWindow.cs
@@ -6,7 +6,8 @@ namespace Assistance {
         static public void Main() {
         	Gtk.Application.Init();
         	MainWindow win = new MainWindow();
-        	win.Show();
+			win.Show();
+			win.Maximize();
         	Gtk.Application.Run();
         }
 
@@ -23,13 +24,20 @@ namespace Assistance {
 		Track track = null;
 
 		public MainWindow(): base(Gtk.WindowType.Toplevel) {
-			this.Events = Gdk.EventMask.KeyPressMask
-						| Gdk.EventMask.KeyReleaseMask
-			            | Gdk.EventMask.ButtonPressMask
-			            | Gdk.EventMask.ButtonReleaseMask
-			            | Gdk.EventMask.ButtonMotionMask
-			            | Gdk.EventMask.PointerMotionMask;
-			Maximize();
+			foreach(Gdk.Device device in Display.ListDevices()) {
+				if (device.Name.Contains("tylus")) {
+					device.SetMode(Gdk.InputMode.Screen);
+					break;
+				}
+			}
+		
+			Events = Gdk.EventMask.KeyPressMask
+				   | Gdk.EventMask.KeyReleaseMask
+			       | Gdk.EventMask.ButtonPressMask
+			       | Gdk.EventMask.ButtonReleaseMask
+			       | Gdk.EventMask.ButtonMotionMask
+			       | Gdk.EventMask.PointerMotionMask;
+			ExtensionEvents = Gdk.ExtensionMode.All;
         }
         
         protected override bool OnDeleteEvent(Gdk.Event e) {
@@ -109,6 +117,12 @@ namespace Assistance {
 			case Gdk.Key.q:
 				new ModifierSnowflake(workarea.document, cursor);
 				break;
+			case Gdk.Key.I:
+			case Gdk.Key.i:
+				Gtk.InputDialog dialog = new Gtk.InputDialog();
+				dialog.CloseButton.Clicked += (object sender, EventArgs args) => { dialog.Destroy(); };
+				dialog.Show();
+				break;
 			case Gdk.Key.Delete:
 				if (activePoint != null)
 					activePoint.owner.remove();
@@ -179,6 +193,7 @@ namespace Assistance {
 				activePoint.owner.onMovePoint(activePoint, cursor + offset);
 			} else
 			if (track != null) {
+				if (e.IsHint) Gdk.Display.Default.Beep();
 				track.points.Add(makeTrackPoint(e));
 			} else {
 				activePoint = workarea.findPoint(cursor);
diff --git a/mono/Assistance/Track.cs b/mono/Assistance/Track.cs
index 96c5b5f..242fe6c 100644
--- a/mono/Assistance/Track.cs
+++ b/mono/Assistance/Track.cs
@@ -108,15 +108,25 @@ namespace Assistance {
 		}
 
 		public void draw(Cairo.Context context, bool preview = false) {
-			if (points.Count < 2)
-				return;
-			context.Save();
-			(preview ? penPreview : pen).apply(context);
-			context.MoveTo(points[0].point.x, points[0].point.y);
-			for(int i = 1; i < points.Count; ++i)
-				context.LineTo(points[i].point.x, points[i].point.y);
-			context.Stroke();
-			context.Restore();
+			if (preview) {
+				if (points.Count < 2)
+					return;
+				context.Save();
+				penPreview.apply(context);
+				context.MoveTo(points[0].point.x, points[0].point.y);
+				for(int i = 1; i < points.Count; ++i)
+					context.LineTo(points[i].point.x, points[i].point.y);
+				context.Stroke();
+				context.Restore();
+			} else {
+				context.Save();
+				pen.apply(context);
+				foreach(TrackPoint p in points) {
+					context.Arc(p.point.x, p.point.y, 2.0*p.pressure*pen.width, 0.0, 2.0*Math.PI);
+					context.Fill();
+				}
+				context.Restore();
+			}
 		}
 	}
 }