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FakeVim: Scrolls correctly if text cursor moves on wrapped lines

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Change-Id: I789fc822ad4f60d7e3a39f8231d7d0cb4a78bf70
Reviewed-by: hjk <hjk121@nokiamail.com>
This commit is contained in:
hluk
2013-10-16 18:53:45 +02:00
committed by hjk
parent ad7e12447c
commit 0dba50ee3d
1 changed files with 17 additions and 14 deletions
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31
src/plugins/fakevim/fakevimhandler.cpp
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@@ -2316,10 +2316,6 @@ void FakeVimHandler::Private::setupWidget()
enterFakeVim();
resetCommandMode();
if (m_textedit)
m_textedit->setLineWrapMode(QTextEdit::NoWrap);
else if (m_plaintextedit)
m_plaintextedit->setLineWrapMode(QPlainTextEdit::NoWrap);
m_wasReadOnly = EDITOR(isReadOnly());
updateEditor();
@@ -6471,19 +6467,22 @@ int FakeVimHandler::Private::linesInDocument() const
void FakeVimHandler::Private::scrollToLine(int line)
{
const QTextCursor tc = EDITOR(textCursor());
// Don't scroll if the line is already at the top.
updateFirstVisibleLine();
if (line == m_firstVisibleLine)
return;
const QTextCursor tc = m_cursor;
QTextCursor tc2 = tc;
tc2.setPosition(document()->lastBlock().position());
EDITOR(setTextCursor(tc2));
EDITOR(ensureCursorVisible());
tc2.setPosition(document()->findBlockByLineNumber(line).position());
const QTextBlock block = document()->findBlockByLineNumber(line);
const QTextLine textLine = block.isValid()
? block.layout()->lineAt(line - block.firstLineNumber()) : QTextLine();
tc2.setPosition(block.position() + (textLine.isValid() ? textLine.textStart() : 0));
EDITOR(setTextCursor(tc2));
EDITOR(ensureCursorVisible());
@@ -6497,7 +6496,7 @@ void FakeVimHandler::Private::scrollToLine(int line)
void FakeVimHandler::Private::updateFirstVisibleLine()
{
const QTextCursor tc = EDITOR(cursorForPosition(QPoint(0,0)));
m_firstVisibleLine = tc.block().firstLineNumber();
m_firstVisibleLine = lineForPosition(tc.position()) - 1;
}
int FakeVimHandler::Private::firstVisibleLine() const
@@ -6507,9 +6506,9 @@ int FakeVimHandler::Private::firstVisibleLine() const
int FakeVimHandler::Private::lastVisibleLine() const
{
const QTextBlock block =
document()->findBlockByLineNumber(m_firstVisibleLine + linesOnScreen());
return block.isValid() ? block.firstLineNumber() : document()->lastBlock().firstLineNumber();
const int line = m_firstVisibleLine + linesOnScreen();
const QTextBlock block = document()->findBlockByLineNumber(line);
return block.isValid() ? line : document()->lastBlock().firstLineNumber();
}
int FakeVimHandler::Private::lineOnTop(int count) const
@@ -6538,7 +6537,7 @@ void FakeVimHandler::Private::updateScrollOffset()
if (line < lineOnTop())
scrollToLine(qMax(0, line - windowScrollOffset()));
else if (line > lineOnBottom())
scrollToLine(line - linesOnScreen() + windowScrollOffset() + 1);
scrollToLine(firstVisibleLine() + line - lineOnBottom());
}
void FakeVimHandler::Private::alignViewportToCursor(AlignmentFlag align, int line,
@@ -7156,8 +7155,12 @@ int FakeVimHandler::Private::lastPositionInLine(int line, bool onlyVisibleLines)
int FakeVimHandler::Private::lineForPosition(int pos) const
{
QTextBlock block = document()->findBlock(pos);
return lineNumber(block);
const QTextBlock block = document()->findBlock(pos);
if (!block.isValid())
return 0;
const int positionInBlock = pos - block.position();
const int lineNumberInBlock = block.layout()->lineForTextPosition(positionInBlock).lineNumber();
return block.firstLineNumber() + lineNumberInBlock + 1;
}
void FakeVimHandler::Private::toggleVisualMode(VisualMode visualMode)