Fix #194 Graph window loops to end if you scroll left past 0

2019-05-13 20:29:18 +02:00
parent 6a6902e57d
commit e4f00c52da
1 changed files with 9 additions and 3 deletions
--- a/client/proxguiqt.cpp
+++ b/client/proxguiqt.cpp
@@ -586,7 +586,7 @@ void Plot::mouseMoveEvent(QMouseEvent *event) {
 }

 void Plot::keyPressEvent(QKeyEvent *event) {
-    int offset;
+    uint32_t offset;

    if (event->modifiers() & Qt::ShiftModifier) {
        if (PlotGridX)
@@ -623,9 +623,15 @@ void Plot::keyPressEvent(QKeyEvent *event) {

        case Qt::Key_Left:
            if (GraphPixelsPerPoint < 20) {
-                GraphStart -= offset;
+                if (GraphStart >= offset) {
+                    GraphStart -= offset;
+                } else {
+                    GraphStart = 0;
+                }
            } else {
-                GraphStart--;
+                if (GraphStart > 0) {
+                    GraphStart--;
+                }
            }
            break;