From 230f0cb2914b02c4d70b19ac4358f2a0a078a676 Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Sat, 30 Mar 2019 17:17:58 -0400
Subject: better scrolling, vibration

---
 source/sharp.cpp | 38 ++++++++++++++++----------------------
 1 file changed, 16 insertions(+), 22 deletions(-)

(limited to 'source/sharp.cpp')

diff --git a/source/sharp.cpp b/source/sharp.cpp
index 4b7aa94..ab0788b 100644
--- a/source/sharp.cpp
+++ b/source/sharp.cpp
@@ -31,7 +31,6 @@ TaskHandle_t Sharp::taskHandle;
 std::vector<Widget *> Sharp::widgets;
 
 int Sharp::topY = 0;
-int Sharp::scrollVelocity = 0;
 
 void Sharp::begin(void)
 {
@@ -70,31 +69,26 @@ void Sharp::sendInput(int ypos)
 
 void Sharp::updateTask([[maybe_unused]] void *arg)
 {
-	static unsigned int counter = 0;
-	while (1) {
-		if (counter++ == 3) {
-			counter = 0;
+	static int oldTopY = 0;
 
-			auto y = topY;
-			for (auto& w : widgets) {
-				w->render(display, y);
-				y += w->getHeight();
-    				display.drawFastHLine(0, y + 1, SHARP_WIDTH, BLACK);
-				y += 3;
-				if (y >= SHARP_HEIGHT)
-					break;
-			}
+	while (1) {
+		if (oldTopY != topY) {
+			oldTopY = topY;
+			display.clearDisplay();
+		}
 
-			display.refresh();
-		} else {
-			topY += scrollVelocity * 20;
-			if (scrollVelocity != 0)
-				display.clearDisplay();
-			if (topY > 0)
-				topY = 0;
+		auto y = topY;
+		for (auto& w : widgets) {
+			w->render(display, y);
+			y += w->getHeight();
+    			display.drawFastHLine(0, y + 1, SHARP_WIDTH, BLACK);
+			y += 3;
+			if (y >= SHARP_HEIGHT)
+				break;
 		}
 
-		delay(50);
+		display.refresh();
+		delay(150);
 	}
 }
 
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