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Fixed bugs with the editing of the text area based on cursor movement

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This commit is contained in:
Jordan Sherer 2019-09-26 20:46:33 -04:00
parent 7aff060ec7
commit 81e5aa00f0
3 changed files with 13 additions and 44 deletions
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53
TransmitTextEdit.cpp
View File

@ -86,7 +86,6 @@ void highlightBlock(QTextBlock block, QFont font, QColor foreground, QColor back
TransmitTextEdit::TransmitTextEdit(QWidget *parent):
QTextEdit(parent),
m_sent { 0 },
m_textSent { "" },
m_protected { false }
{
connect(this, &QTextEdit::selectionChanged, this, &TransmitTextEdit::on_selectionChanged);
@ -174,26 +173,25 @@ bool TransmitTextEdit::cursorShouldBeProtected(QTextCursor c){
void TransmitTextEdit::on_selectionChanged(){
auto c = textCursor();
auto protect = cursorShouldBeProtected(c);
auto shouldProtect = cursorShouldBeProtected(c);
if(protect){
if(shouldProtect){
blockSignals(true);
{
int end = c.selectionEnd();
c.setPosition(m_sent);
c.setPosition(end, QTextCursor::KeepAnchor);
c.movePosition(QTextCursor::Start);
c.movePosition(QTextCursor::NextCharacter, QTextCursor::MoveAnchor, m_sent);
c.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, qMax(0, end-m_sent));
setTextCursor(c);
}
blockSignals(false);
}
setProtected(protect);
// TODO: when protected and text is selected, remove protected region from selection
setProtected(shouldProtect);
}
// slot
void TransmitTextEdit::on_textContentsChanged(int pos, int rem, int add){
void TransmitTextEdit::on_textContentsChanged(int /*pos*/, int rem, int add){
if(rem == 0 && add == 0){
return;
}
@ -252,37 +250,6 @@ void TransmitTextEdit::highlight(){
highlightCharsSent();
}
bool isMovementKeyEvent(QKeyEvent * k){
return (
k == QKeySequence::MoveToNextChar ||
k == QKeySequence::MoveToPreviousChar ||
k == QKeySequence::SelectNextChar ||
k == QKeySequence::SelectPreviousChar ||
k == QKeySequence::SelectNextWord ||
k == QKeySequence::SelectPreviousWord ||
k == QKeySequence::SelectStartOfLine ||
k == QKeySequence::SelectEndOfLine ||
k == QKeySequence::SelectStartOfBlock ||
k == QKeySequence::SelectEndOfBlock ||
k == QKeySequence::SelectStartOfDocument ||
k == QKeySequence::SelectEndOfDocument ||
k == QKeySequence::SelectPreviousLine ||
k == QKeySequence::SelectNextLine ||
k == QKeySequence::MoveToNextWord ||
k == QKeySequence::MoveToPreviousWord ||
k == QKeySequence::MoveToEndOfBlock ||
k == QKeySequence::MoveToStartOfBlock ||
k == QKeySequence::MoveToNextLine ||
k == QKeySequence::MoveToPreviousLine ||
k == QKeySequence::MoveToPreviousLine ||
k == QKeySequence::MoveToStartOfLine ||
k == QKeySequence::MoveToEndOfLine ||
k == QKeySequence::MoveToStartOfDocument ||
k == QKeySequence::MoveToEndOfDocument
);
}
QTextCursor::MoveOperation movementKeyEventToMoveOperation(QKeyEvent *e){
QTextCursor::MoveOperation op = QTextCursor::NoMove;
@ -365,6 +332,9 @@ QTextCursor::MoveOperation movementKeyEventToMoveOperation(QKeyEvent *e){
return op;
}
bool isMovementKeyEvent(QKeyEvent * k){
return movementKeyEventToMoveOperation(k) != QTextCursor::NoMove;
}
bool TransmitTextEdit::eventFilter(QObject */*o*/, QEvent *e){
if(e->type() != QEvent::KeyPress){
@ -393,16 +363,15 @@ bool TransmitTextEdit::eventFilter(QObject */*o*/, QEvent *e){
// 2. if on the edge, do not filter if not a backspace
int start = qMin(c.selectionStart(), c.selectionEnd());
int end = qMax(c.selectionStart(), c.selectionEnd());
if(start == m_sent && k->key() != Qt::Key_Backspace){
return false;
}
// 3. if on the edge, do not filter if a backspace and there is text selected
int end = qMax(c.selectionStart(), c.selectionEnd());
if(start == m_sent && start != end && k->key() == Qt::Key_Backspace){
return false;
}
return true;
}

2
TransmitTextEdit.h
View File

@ -55,8 +55,8 @@ public slots:
private:
QString m_lastText;
QString m_textSent;
int m_sent;
QString m_textSent;
bool m_protected;
QFont m_font;
QColor m_fg;

2
mainwindow.cpp
View File

@ -1095,7 +1095,7 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
toggleTx(true);
});
//ui->extFreeTextMsgEdit->installEventFilter(enterFilter);
ui->extFreeTextMsgEdit->installEventFilter(enterFilter);
auto doubleClickFilter = new MouseDoubleClickEater();
connect(doubleClickFilter, &MouseDoubleClickEater::mouseDoubleClicked, this, [this](QObject *, QMouseEvent *, bool *){