From 215934254c3a80d8b30858f8c273a329c817a7f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Thu, 25 Jan 2018 17:15:31 +0100
Subject: Implement angle scroll
This is not tested as I don't have any device that reports as an angle
scroll (meaby feature of X server). For future if on some other platfrom
this is the problem then ANGLE_SCROLL variable should be tweaked.
---
qtmips_gui/memoryview.cpp | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/qtmips_gui/memoryview.cpp b/qtmips_gui/memoryview.cpp
index 7bd66cd..48882db 100644
--- a/qtmips_gui/memoryview.cpp
+++ b/qtmips_gui/memoryview.cpp
@@ -5,6 +5,8 @@
#define MIN_OFF 10
// Focus point (this is multiplied with height of widget to know position where we want to focus)
#define FOCUS 0.25
+// How angle maps to pixels when and scroll is used
+#define ANGLE_SCROLL 4
///////////////////////////
MemoryView::MemoryView(QWidget *parent) : QWidget(parent) {
@@ -178,8 +180,9 @@ void MemoryView::Frame::wheelEvent(QWheelEvent *e) {
QPoint ang = e->angleDelta();
if (!pix.isNull())
- content_y += e->pixelDelta().ry();
- // TODO angle scroll
+ content_y += pix.ry();
+ else if (!ang.isNull())
+ content_y += ang.ry() * ANGLE_SCROLL;
// TODO smooth scroll
viewport()->move(0, content_y);
--
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