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Fixed the H-scroll page width to half a screen rather than a full screen.
[pulseview.git]
/
pv
/
view
/
view.cpp
diff --git
a/pv/view/view.cpp
b/pv/view/view.cpp
index 34676334dc67867ba9b17fa064498232693e74e0..95b8a5bec9e9f1fde845898ee5ed7a0cf1bfcc58 100644
(file)
--- a/
pv/view/view.cpp
+++ b/
pv/view/view.cpp
@@
-70,6
+70,7
@@
View::View(SigSession &session, QWidget *parent) :
_scale(1e-6),
_offset(0),
_v_offset(0),
_scale(1e-6),
_offset(0),
_v_offset(0),
+ _updating_scroll(false),
_show_cursors(false),
_cursors(pair<Cursor, Cursor>(Cursor(*this, 0.0),
Cursor(*this, 1.0))),
_show_cursors(false),
_cursors(pair<Cursor, Cursor>(Cursor(*this, 0.0),
Cursor(*this, 1.0))),
@@
-208,7
+209,9
@@
void View::update_scroll()
get_scroll_layout(length, offset);
length = max(length - areaSize.width(), 0.0);
get_scroll_layout(length, offset);
length = max(length - areaSize.width(), 0.0);
- horizontalScrollBar()->setPageStep(areaSize.width());
+ horizontalScrollBar()->setPageStep(areaSize.width() / 2);
+
+ _updating_scroll = true;
if (length < MaxScrollValue) {
horizontalScrollBar()->setRange(0, length);
if (length < MaxScrollValue) {
horizontalScrollBar()->setRange(0, length);
@@
-219,6
+222,8
@@
void View::update_scroll()
_offset * MaxScrollValue / (_scale * length));
}
_offset * MaxScrollValue / (_scale * length));
}
+ _updating_scroll = false;
+
// Set the vertical scrollbar
verticalScrollBar()->setPageStep(areaSize.height());
verticalScrollBar()->setRange(0,
// Set the vertical scrollbar
verticalScrollBar()->setPageStep(areaSize.height());
verticalScrollBar()->setRange(0,
@@
-290,6
+295,9
@@
void View::resizeEvent(QResizeEvent*)
void View::h_scroll_value_changed(int value)
{
void View::h_scroll_value_changed(int value)
{
+ if (_updating_scroll)
+ return;
+
const int range = horizontalScrollBar()->maximum();
if (range < MaxScrollValue)
_offset = _scale * value;
const int range = horizontalScrollBar()->maximum();
if (range < MaxScrollValue)
_offset = _scale * value;