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Do not auto scroll when selecting text

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This commit is contained in:
Fredrik Fornwall
2016-01-13 04:20:36 +01:00
parent 7a659ebd21
commit fa9ea2db5c
1 changed files with 22 additions and 5 deletions
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27
app/src/main/java/com/termux/view/TerminalView.java
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@@ -350,19 +350,36 @@ public final class TerminalView extends View {
public void onScreenUpdated() {
if (mEmulator == null) return;
boolean skipScrolling = false;
if (mIsSelectingText) {
// Do not scroll when selecting text.
int rowsInHistory = mEmulator.getScreen().getActiveTranscriptRows();
int rowShift = mEmulator.getScrollCounter();
mSelY1 -= rowShift;
mSelY2 -= rowShift;
if (-mTopRow + rowShift > rowsInHistory) {
// .. unless we're hitting the end of history transcript, in which
// case we abort text selection and scroll to end.
toggleSelectingText(null);
} else {
skipScrolling = true;
mTopRow -= rowShift;
mSelY1 -= rowShift;
mSelY2 -= rowShift;
}
}
mEmulator.clearScrollCounter();
if (mTopRow != 0) {
if (!skipScrolling && mTopRow != 0) {
// Scroll down if not already there.
if (mTopRow < -3) {
// Awaken scroll bars only if scrolling a noticeable amount
// - we do not want visible scroll bars during normal typing
// of one row at a time.
awakenScrollBars();
}
mTopRow = 0;
scrollTo(0, 0);
}
mEmulator.clearScrollCounter();
invalidate();
}