tdesktop/Telegram/SourceFiles/boxes/usernamebox.cpp

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
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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://desktop.telegram.org
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*/
#include "stdafx.h"
#include "lang.h"
#include "application.h"
#include "usernamebox.h"
#include "mainwidget.h"
#include "window.h"
UsernameInput::UsernameInput(QWidget *parent, const style::flatInput &st, const QString &ph, const QString &val) : FlatInput(parent, st, ph, val) {
}
void UsernameInput::correctValue(QKeyEvent *e, const QString &was) {
QString oldText(text()), newText;
int32 newPos = cursorPosition(), from, len = oldText.size();
for (from = 0; from < len; ++from) {
if (!oldText.at(from).isSpace()) {
break;
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}
if (newPos > 0) --newPos;
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}
len -= from;
if (len > MaxUsernameLength) len = MaxUsernameLength + (oldText.at(from) == '@' ? 1 : 0);
for (int32 to = from + len; to > from;) {
--to;
if (!oldText.at(to).isSpace()) {
break;
}
--len;
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}
newText = oldText.mid(from, len);
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if (newText != oldText) {
setText(newText);
setCursorPosition(newPos);
}
}
UsernameBox::UsernameBox() :
_saveButton(this, lang(lng_settings_save), st::usernameDone),
_cancelButton(this, lang(lng_cancel), st::usernameCancel),
_usernameInput(this, st::inpAddContact, qsl("@username"), App::self()->username),
_saveRequest(0), _checkRequest(0), _about(st::usernameWidth - 2 * st::addContactTitlePos.x()),
a_opacity(0, 1), _hiding(false) {
_about.setRichText(st::usernameFont, lang(lng_username_about));
_goodText = App::self()->username.isEmpty() ? QString() : lang(lng_username_available);
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initBox();
}
void UsernameBox::initBox() {
_width = st::usernameWidth;
_height = st::addContactTitleHeight + st::addContactPadding.top() + _usernameInput.height() + st::addContactPadding.bottom() + _about.countHeight(st::usernameWidth - 2 * st::addContactTitlePos.x()) + st::usernameSkip + _saveButton.height();
_usernameInput.setGeometry(st::addContactPadding.left(), st::addContactTitleHeight + st::addContactPadding.top(), _width - st::addContactPadding.left() - st::addContactPadding.right(), _usernameInput.height());
int32 buttonTop = _height - _cancelButton.height();
_cancelButton.move(0, buttonTop);
_saveButton.move(_width - _saveButton.width(), buttonTop);
connect(&_saveButton, SIGNAL(clicked()), this, SLOT(onSave()));
connect(&_cancelButton, SIGNAL(clicked()), this, SLOT(onCancel()));
connect(&_usernameInput, SIGNAL(changed()), this, SLOT(onChanged()));
_checkTimer.setSingleShot(true);
connect(&_checkTimer, SIGNAL(timeout()), this, SLOT(onCheck()));
resize(_width, _height);
showAll();
_cache = myGrab(this, rect());
hideAll();
}
void UsernameBox::hideAll() {
_usernameInput.hide();
_saveButton.hide();
_cancelButton.hide();
}
void UsernameBox::showAll() {
_usernameInput.show();
_saveButton.show();
_cancelButton.show();
}
void UsernameBox::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
onSave();
} else if (e->key() == Qt::Key_Escape) {
onCancel();
}
}
void UsernameBox::parentResized() {
QSize s = parentWidget()->size();
setGeometry((s.width() - _width) / 2, (s.height() - _height) / 2, _width, _height);
update();
}
void UsernameBox::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (_cache.isNull()) {
if (!_hiding || a_opacity.current() > 0.01) {
// fill bg
p.fillRect(QRect(QPoint(0, 0), size()), st::boxBG->b);
// paint shadows
p.fillRect(0, st::addContactTitleHeight, _width, st::scrollDef.topsh, st::scrollDef.shColor->b);
p.fillRect(0, size().height() - st::usernameCancel.height - st::scrollDef.bottomsh, _width, st::scrollDef.bottomsh, st::scrollDef.shColor->b);
// paint button sep
p.fillRect(st::usernameCancel.width, size().height() - st::usernameCancel.height, st::lineWidth, st::usernameCancel.height, st::btnSelectSep->b);
// draw box title / text
p.setPen(st::black->p);
p.setFont(st::addContactTitleFont->f);
p.drawText(st::addContactTitlePos.x(), st::addContactTitlePos.y() + st::addContactTitleFont->ascent, lang(lng_username_title));
if (!_errorText.isEmpty()) {
p.setPen(st::setErrColor->p);
p.setFont(st::setErrFont->f);
int32 w = st::setErrFont->m.width(_errorText);
p.drawText((_width - w) / 2, _usernameInput.y() + _usernameInput.height() + ((st::usernameSkip - st::setErrFont->height) / 2) + st::setErrFont->ascent, _errorText);
} else if (!_goodText.isEmpty()) {
p.setPen(st::setGoodColor->p);
p.setFont(st::setErrFont->f);
int32 w = st::setErrFont->m.width(_goodText);
p.drawText((_width - w) / 2, _usernameInput.y() + _usernameInput.height() + ((st::usernameSkip - st::setErrFont->height) / 2) + st::setErrFont->ascent, _goodText);
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}
p.setPen(st::usernameColor->p);
_about.draw(p, st::addContactTitlePos.x(), _usernameInput.y() + _usernameInput.height() + st::usernameSkip, width() - 2 * st::addContactTitlePos.x());
}
} else {
p.setOpacity(a_opacity.current());
p.drawPixmap(0, 0, _cache);
}
}
void UsernameBox::animStep(float64 dt) {
if (dt >= 1) {
a_opacity.finish();
_cache = QPixmap();
if (!_hiding) {
showAll();
_usernameInput.setFocus();
}
} else {
a_opacity.update(dt, anim::linear);
}
update();
}
void UsernameBox::onSave() {
if (_saveRequest) return;
_sentUsername = getName();
_saveRequest = MTP::send(MTPaccount_UpdateUsername(MTP_string(_sentUsername)), rpcDone(&UsernameBox::onUpdateDone), rpcFail(&UsernameBox::onUpdateFail));
}
void UsernameBox::onCheck() {
if (_checkRequest) {
MTP::cancel(_checkRequest);
}
QString name = getName();
if (name.size() >= MinUsernameLength) {
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_checkUsername = getName();
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_checkRequest = MTP::send(MTPaccount_CheckUsername(MTP_string(name)), rpcDone(&UsernameBox::onCheckDone), rpcFail(&UsernameBox::onCheckFail));
}
}
void UsernameBox::onChanged() {
QString name = getName();
if (name.isEmpty()) {
if (!_errorText.isEmpty() || !_goodText.isEmpty()) {
_errorText = _goodText = QString();
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update();
}
_checkTimer.stop();
} else {
int32 i, len = name.size();
for (int32 i = 0; i < len; ++i) {
QChar ch = name.at(i);
if ((ch < 'A' || ch > 'Z') && (ch < 'a' || ch > 'z') && (ch < '0' || ch > '9') && ch != '_' && (ch != '@' || i > 0)) {
if (_errorText != lang(lng_username_bad_symbols)) {
_errorText = lang(lng_username_bad_symbols);
update();
}
_checkTimer.stop();
return;
}
}
if (name.size() < MinUsernameLength) {
if (_errorText != lang(lng_username_too_short)) {
_errorText = lang(lng_username_too_short);
update();
}
_checkTimer.stop();
} else {
if (!_errorText.isEmpty() || !_goodText.isEmpty()) {
_errorText = _goodText = QString();
update();
}
_checkTimer.start(UsernameCheckTimeout);
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}
}
}
void UsernameBox::onUpdateDone(const MTPUser &user) {
App::feedUsers(MTP_vector<MTPUser>(1, user));
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emit closed();
}
bool UsernameBox::onUpdateFail(const RPCError &error) {
_saveRequest = 0;
QString err(error.type()), name = getName();
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if (err == "USERNAME_NOT_MODIFIED" || _sentUsername == App::self()->username) {
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App::self()->setName(textOneLine(App::self()->firstName), textOneLine(App::self()->lastName), textOneLine(App::self()->nameOrPhone), textOneLine(name));
emit closed();
return true;
} else if (err == "USERNAME_INVALID") {
_usernameInput.setFocus();
_usernameInput.notaBene();
_errorText = lang(lng_username_invalid);
return true;
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} else if (err == "USERNAME_OCCUPIED" || err == "USERNAMES_UNAVAILABLE") {
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_usernameInput.setFocus();
_usernameInput.notaBene();
_errorText = lang(lng_username_occupied);
return true;
}
_usernameInput.setFocus();
return true;
}
void UsernameBox::onCheckDone(const MTPBool &result) {
_checkRequest = 0;
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QString newError = (result.v || _checkUsername == App::self()->username) ? QString() : lang(lng_username_occupied);
QString newGood = newError.isEmpty() ? lang(lng_username_available) : QString();
if (_errorText != newError || _goodText != newGood) {
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_errorText = newError;
_goodText = newGood;
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update();
}
}
bool UsernameBox::onCheckFail(const RPCError &error) {
_checkRequest = 0;
QString err(error.type());
if (err == "USERNAME_INVALID") {
_errorText = lang(lng_username_invalid);
update();
return true;
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} else if (err == "USERNAME_OCCUPIED" && _checkUsername != App::self()->username) {
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_errorText = lang(lng_username_occupied);
update();
return true;
}
_goodText = QString();
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_usernameInput.setFocus();
return true;
}
QString UsernameBox::getName() const {
return _usernameInput.text().replace('@', QString()).trimmed();
}
void UsernameBox::onCancel() {
emit closed();
}
void UsernameBox::startHide() {
_hiding = true;
if (_cache.isNull()) {
_cache = myGrab(this, rect());
hideAll();
}
a_opacity.start(0);
}
UsernameBox::~UsernameBox() {
}