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TerminalEmulator: Do not scroll when below bottom margin

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This commit is contained in:
zt515
2017-10-31 00:07:21 +08:00
parent 9c78d181a2
commit ebff85ae15
1 changed files with 12 additions and 4 deletions
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16
app/src/main/java/io/neoterm/backend/TerminalEmulator.java
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@ -1295,12 +1295,20 @@ public final class TerminalEmulator {
} }
private void doLinefeed() { private void doLinefeed() {
boolean belowScrollingRegion = mCursorRow >= mBottomMargin;
int newCursorRow = mCursorRow + 1; int newCursorRow = mCursorRow + 1;
if (newCursorRow >= mBottomMargin) { if (belowScrollingRegion) {
scrollDownOneLine(); // Move down (but not scroll) as long as we are above the last row.
newCursorRow = mBottomMargin - 1; if (mCursorRow != mRows - 1) {
setCursorRow(newCursorRow);
}
} else {
if (newCursorRow == mBottomMargin) {
scrollDownOneLine();
newCursorRow = mBottomMargin - 1;
}
setCursorRow(newCursorRow);
} }
setCursorRow(newCursorRow);
} }
private void continueSequence(int state) { private void continueSequence(int state) {