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Code Issues Releases Wiki Activity

Bug1387: enable autoscrolling even when the track extends beyond the screen

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This commit is contained in:
Paul Licameli 2016-05-04 21:03:44 -04:00
parent 0a0cbbba20
commit ba0b5a70a3
1 changed files with 19 additions and 0 deletions
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19
src/TrackPanel.cpp
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@ -1015,6 +1015,25 @@ void TrackPanel::ScrollDuringDrag()
mAutoScrolling = true; mAutoScrolling = true;
mListener->TP_ScrollLeft(); mListener->TP_ScrollLeft();
} }
else {
// Bug1387: enable autoscroll during drag, if the pointer is at either extreme x
// coordinate of the screen, even if that is still within the track area.
int xx = mMouseMostRecentX, yy = 0;
this->ClientToScreen(&xx, &yy);
if (xx == 0) {
mAutoScrolling = true;
mListener->TP_ScrollLeft();
}
else {
int width, height;
::wxDisplaySize(&width, &height);
if (xx == width - 1) {
mAutoScrolling = true;
mListener->TP_ScrollRight();
}
}
}
if (mAutoScrolling) { if (mAutoScrolling) {
// AS: To keep the selection working properly as we scroll, // AS: To keep the selection working properly as we scroll,