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lineedit.cpp
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lineedit.cpp
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#include "lineedit.h"
LineEdit::LineEdit(QWidget *parent) {
this->setParent(parent);
setText("");
timer = new QTimer(this);
connect(this, &LineEdit::textChanged, this, &LineEdit::changeText);
connect(this, &LineEdit::selectionChanged, this, &LineEdit::changeSelection);
connect(this, &LineEdit::cursorPositionChanged, this, &LineEdit::changeCursorPosition);
connect(timer, &QTimer::timeout, [this] { Mode ? rightAnswer() : wrongAnswer(); });
}
bool LineEdit::isActive() {
return timer->isActive();
}
void LineEdit::highlightAsnwer(int mode) {
QPalette palette;
palette.setColor(QPalette::Base, mode ? Qt::green : Qt::red);
Mode = mode;
Hue = 100;
this->setReadOnly(true);
this->setPalette(palette);
timer->start(250);
}
void LineEdit::wrongAnswer() {
QPalette palette;
palette.setColor(QPalette::Base, QColor(255, 255 - Hue * 255 / 100, 255 - Hue * 255 / 100));
this->setPalette(palette);
timer->start(2);
if (!Hue--) {
timer->stop();
this->setReadOnly(false);
emit showWord();
}
}
void LineEdit::rightAnswer() {
QPalette palette;
palette.setColor(QPalette::Base, Qt::white);
this->setPalette(palette);
timer->stop();
this->setReadOnly(false);
emit nextWord();
}
void LineEdit::setText(QString string) {
this->QLineEdit::setText(" " + string.replace('_', ' '));
}
QString LineEdit::text() {
QString text = this->QLineEdit::text().remove(0, 1);
int ind = text.size();
while (ind > 0 && text[--ind] == ' ');
++ind;
return text.remove(ind, text.size() - ind);
}
void LineEdit::changeText() {
QString text = this->QLineEdit::text();
if (text.size() == 0 || text[0] != ' ')
setText(text);
this->update();
}
void LineEdit::changeSelection() {
if (selectionStart() == 0)
setSelection(1, selectionLength() - 1);
}
void LineEdit::changeCursorPosition() {
if (cursorPosition() == 0)
setCursorPosition(1);
}
void LineEdit::resizeEvent(QResizeEvent *event) {
QFont font = this->font();
font.setPixelSize(this->height() * 0.65);
this->setFont(font);
this->update();
}