95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
#include "qipedit.h"
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#include "qalgorithms.h"
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#include <QBoxLayout>
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#include <QIntValidator>
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#include <QLabel>
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#include <QLineEdit>
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QIPEdit::QIPEdit(QWidget * parent, const QString & ip): QWidget(parent) {
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layout = new QBoxLayout(QBoxLayout::LeftToRight, this);
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(1);
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QIntValidator * validator = new QIntValidator(0, 255, this);
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for (int i = 0; i < 4; i++) {
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edits.push_back(new QLineEdit(this));
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edits.back()->setAlignment(Qt::AlignHCenter);
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edits.back()->setMaxLength(3);
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edits.back()->setValidator(validator);
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edits.back()->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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layout->addWidget(edits.back());
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if (i < 3) {
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dots.push_back(new QLabel(this));
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dots.back()->setText(".");
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dots.back()->adjustSize();
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layout->addWidget(dots.back());
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}
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}
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connect(edits[0], &QLineEdit::returnPressed, this, &QIPEdit::returnPressed0);
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connect(edits[1], &QLineEdit::returnPressed, this, &QIPEdit::returnPressed1);
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connect(edits[2], &QLineEdit::returnPressed, this, &QIPEdit::returnPressed2);
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connect(edits[3], &QLineEdit::returnPressed, this, &QIPEdit::returnPressed3);
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connect(edits[0], &QLineEdit::textChanged, this, &QIPEdit::textChanged0);
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connect(edits[1], &QLineEdit::textChanged, this, &QIPEdit::textChanged1);
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connect(edits[2], &QLineEdit::textChanged, this, &QIPEdit::textChanged2);
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connect(edits[3], &QLineEdit::textChanged, this, &QIPEdit::textChanged3);
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setLayout(layout);
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setIP(ip);
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cind = 0;
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}
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void QIPEdit::setIP(const QString & text) {
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QString s, str = text;
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s = str.left(str.indexOf('.'));
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edits[0]->setText(s == "" ? "0" : s);
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str = str.right(str.length() - s.length() - 1);
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s = str.left(str.indexOf('.'));
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edits[1]->setText(s == "" ? "0" : s);
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str = str.right(str.length() - s.length() - 1);
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s = str.left(str.indexOf('.'));
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edits[2]->setText(s == "" ? "0" : s);
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str = str.right(str.length() - s.length() - 1);
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edits[3]->setText(str == "" ? "0" : str);
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}
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QString QIPEdit::IP() {
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QString s;
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if (edits[0]->text() == "")
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s = "0.";
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else
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s = edits[0]->text() + ".";
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if (edits[1]->text() == "")
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s += "0.";
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else
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s += edits[1]->text() + ".";
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if (edits[2]->text() == "")
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s += "0.";
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else
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s += edits[2]->text() + ".";
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if (edits[3]->text() == "")
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s += "0";
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else
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s += edits[3]->text();
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return s;
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}
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void QIPEdit::returnPress(int index) {
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if (index < 3) {
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edits[index + 1]->setFocus();
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edits[index + 1]->setSelection(0, 3);
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}
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}
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inline void QIPEdit::textChange(int index, const QString & text) {
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if (text.length() == 3 && isVisible()) {
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returnPress(index);
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}
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emit valueChanged(IP());
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}
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