tdesktop/Telegram/SourceFiles/gui/countrycodeinput.cpp

84 lines
2.2 KiB
C++

/*
This file is part of Telegram Desktop,
an unofficial desktop messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://tdesktop.com
*/
#include "stdafx.h"
#include "style.h"
#include "gui/countrycodeinput.h"
#include "gui/countryinput.h"
CountryCodeInput::CountryCodeInput(QWidget *parent, const style::flatInput &st) : FlatInput(parent, st), _nosignal(false) {
}
void CountryCodeInput::startErasing(QKeyEvent *e) {
setFocus();
keyPressEvent(e);
}
void CountryCodeInput::codeSelected(const QString &code) {
QString old(text());
setText('+' + code);
_nosignal = true;
correctValue(0, old);
_nosignal = false;
emit changed();
}
void CountryCodeInput::correctValue(QKeyEvent *e, const QString &was) {
QString oldText(text()), newText, addToNumber;
int oldPos(cursorPosition()), newPos(-1), oldLen(oldText.length()), start = 0, digits = 5;
newText.reserve(oldLen + 1);
newText += '+';
if (oldLen && oldText[0] == '+') {
++start;
}
for (int i = start; i < oldLen; ++i) {
QChar ch(oldText[i]);
if (ch.isDigit()) {
if (!digits || !--digits) {
addToNumber += ch;
} else {
newText += ch;
}
}
if (i == oldPos) {
newPos = newText.length();
}
}
if (!addToNumber.isEmpty()) {
QString validCode = findValidCode(newText.mid(1));
addToNumber = newText.mid(1 + validCode.length()) + addToNumber;
newText = '+' + validCode;
}
if (newPos < 0 || newPos > newText.length()) {
newPos = newText.length();
}
if (newText != oldText) {
setText(newText);
if (newPos != oldPos) {
setCursorPosition(newPos);
}
}
if (!_nosignal && was != newText) {
emit codeChanged(newText.mid(1));
}
if (!addToNumber.isEmpty()) {
emit addedToNumber(addToNumber);
}
}