490 lines
11 KiB
C++
490 lines
11 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "ui/empty_userpic.h"
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#include "ui/emoji_config.h"
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#include "ui/effects/animation_value.h"
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#include "ui/painter.h"
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#include "ui/ui_utility.h"
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#include "styles/style_chat.h"
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#include "styles/style_dialogs.h"
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#include "styles/style_widgets.h" // style::IconButton
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#include "styles/style_info.h" // st::topBarCall
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namespace Ui {
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namespace {
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[[nodiscard]] bool IsExternal(const QString &name) {
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return !name.isEmpty()
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&& (name.front() == QChar(0))
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&& QStringView(name).mid(1) == u"external"_q;
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}
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[[nodiscard]] bool IsInaccessible(const QString &name) {
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return !name.isEmpty()
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&& (name.front() == QChar(0))
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&& QStringView(name).mid(1) == u"inaccessible"_q;
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}
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void PaintSavedMessagesInner(
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QPainter &p,
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int x,
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int y,
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int size,
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const style::color &fg) {
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// |<----width----->|
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//
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// XXXXXXXXXXXXXXXXXX ---
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// X X |
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// X X |
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// X X |
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// X X height
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// X XX X | ---
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// X XX XX X | |
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// X XX XX X | add
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// X XX XX X | |
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// XX XX --- ---
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const auto thinkness = base::SafeRound(size * 0.055);
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const auto increment = int(thinkness) % 2 + (size % 2);
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const auto width = base::SafeRound(size * 0.15) * 2 + increment;
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const auto height = base::SafeRound(size * 0.19) * 2 + increment;
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const auto add = base::SafeRound(size * 0.064);
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const auto left = x + (size - width) / 2;
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const auto top = y + (size - height) / 2;
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const auto right = left + width;
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const auto bottom = top + height;
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const auto middle = (left + right) / 2;
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const auto half = (top + bottom) / 2;
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p.setBrush(Qt::NoBrush);
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auto pen = fg->p;
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pen.setWidthF(thinkness);
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pen.setCapStyle(Qt::FlatCap);
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{
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// XXXXXXXXXXXXXXXXXX
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// X X
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// X X
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// X X
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// X X
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// X X
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pen.setJoinStyle(Qt::RoundJoin);
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p.setPen(pen);
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QPainterPath path;
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path.moveTo(left, half);
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path.lineTo(left, top);
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path.lineTo(right, top);
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path.lineTo(right, half);
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p.drawPath(path);
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}
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{
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// X X
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// X XX X
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// X XX XX X
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// X XX XX X
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// X XX XX X
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// XX XX
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pen.setJoinStyle(Qt::MiterJoin);
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p.setPen(pen);
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QPainterPath path;
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path.moveTo(left, half);
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path.lineTo(left, bottom);
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path.lineTo(middle, bottom - add);
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path.lineTo(right, bottom);
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path.lineTo(right, half);
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p.drawPath(path);
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}
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}
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void PaintIconInner(
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QPainter &p,
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int x,
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int y,
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int size,
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int defaultSize,
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const style::icon &icon,
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const style::color &fg) {
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if (size == defaultSize) {
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const auto rect = QRect{ x, y, size, size };
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icon.paintInCenter(
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p,
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rect,
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fg->c);
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} else {
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p.save();
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const auto ratio = size / float64(defaultSize);
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p.translate(x + size / 2., y + size / 2.);
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p.scale(ratio, ratio);
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const auto skip = defaultSize;
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const auto rect = QRect{ -skip, -skip, 2 * skip, 2 * skip };
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icon.paintInCenter(
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p,
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rect,
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fg->c);
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p.restore();
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}
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}
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void PaintRepliesMessagesInner(
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QPainter &p,
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int x,
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int y,
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int size,
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const style::color &fg) {
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PaintIconInner(
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p,
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x,
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y,
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size,
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st::defaultDialogRow.photoSize,
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st::dialogsRepliesUserpic,
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fg);
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}
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void PaintExternalMessagesInner(
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QPainter &p,
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int x,
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int y,
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int size,
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const style::color &fg) {
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PaintIconInner(
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p,
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x,
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y,
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size,
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st::msgPhotoSize,
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st::topBarCall.icon,
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fg);
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}
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void PaintInaccessibleAccountInner(
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QPainter &p,
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int x,
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int y,
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int size,
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const style::color &fg) {
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if (size > st::defaultDialogRow.photoSize) {
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PaintIconInner(
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p,
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x,
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y,
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size,
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st::infoProfilePhotoInnerSize,
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st::infoProfileInaccessibleUserpic,
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fg);
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} else {
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PaintIconInner(
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p,
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x,
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y,
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size,
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st::defaultDialogRow.photoSize,
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st::dialogsInaccessibleUserpic,
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fg);
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}
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}
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[[nodiscard]] QImage Generate(int size, Fn<void(QPainter&)> callback) {
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auto result = QImage(
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QSize(size, size) * style::DevicePixelRatio(),
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QImage::Format_ARGB32_Premultiplied);
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result.setDevicePixelRatio(style::DevicePixelRatio());
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result.fill(Qt::transparent);
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{
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Painter p(&result);
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callback(p);
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}
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return result;
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}
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} // namespace
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EmptyUserpic::EmptyUserpic(const BgColors &colors, const QString &name)
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: _colors(colors) {
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fillString(name);
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}
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QString EmptyUserpic::ExternalName() {
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return QChar(0) + u"external"_q;
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}
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QString EmptyUserpic::InaccessibleName() {
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return QChar(0) + u"inaccessible"_q;
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}
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int EmptyUserpic::ColorIndex(uint64 id) {
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const auto index = id % 7;
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const int map[] = { 0, 7, 4, 1, 6, 3, 5 };
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return map[index];
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}
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EmptyUserpic::BgColors EmptyUserpic::UserpicColor(int id) {
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const EmptyUserpic::BgColors colors[] = {
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{ st::historyPeer1UserpicBg, st::historyPeer1UserpicBg2 },
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{ st::historyPeer2UserpicBg, st::historyPeer2UserpicBg2 },
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{ st::historyPeer3UserpicBg, st::historyPeer3UserpicBg2 },
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{ st::historyPeer4UserpicBg, st::historyPeer4UserpicBg2 },
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{ st::historyPeer5UserpicBg, st::historyPeer5UserpicBg2 },
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{ st::historyPeer6UserpicBg, st::historyPeer6UserpicBg2 },
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{ st::historyPeer7UserpicBg, st::historyPeer7UserpicBg2 },
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{ st::historyPeer8UserpicBg, st::historyPeer8UserpicBg2 },
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};
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return colors[id];
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}
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void EmptyUserpic::paint(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size,
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Fn<void()> paintBackground) const {
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x = style::RightToLeft() ? (outerWidth - x - size) : x;
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const auto fontsize = (size * 13) / 33;
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auto font = st::historyPeerUserpicFont->f;
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font.setPixelSize(fontsize);
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PainterHighQualityEnabler hq(p);
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{
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auto gradient = QLinearGradient(x, y, x, y + size);
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gradient.setStops({
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{ 0., _colors.color1->c },
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{ 1., _colors.color2->c }
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});
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p.setBrush(gradient);
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}
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p.setPen(Qt::NoPen);
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paintBackground();
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if (IsExternal(_string)) {
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PaintExternalMessagesInner(p, x, y, size, st::historyPeerUserpicFg);
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} else if (IsInaccessible(_string)) {
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PaintInaccessibleAccountInner(
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p,
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x,
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y,
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size,
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st::historyPeerUserpicFg);
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} else {
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p.setFont(font);
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p.setBrush(Qt::NoBrush);
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p.setPen(st::historyPeerUserpicFg);
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p.drawText(
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QRect(x, y, size, size),
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_string,
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QTextOption(style::al_center));
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}
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}
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void EmptyUserpic::paintCircle(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size) const {
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paint(p, x, y, outerWidth, size, [&] {
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p.drawEllipse(x, y, size, size);
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});
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}
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void EmptyUserpic::paintRounded(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size,
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int radius) const {
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paint(p, x, y, outerWidth, size, [&] {
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p.drawRoundedRect(x, y, size, size, radius, radius);
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});
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}
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void EmptyUserpic::paintSquare(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size) const {
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paint(p, x, y, outerWidth, size, [&] {
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p.fillRect(x, y, size, size, p.brush());
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});
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}
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void EmptyUserpic::PaintSavedMessages(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size) {
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auto bg = QLinearGradient(x, y, x, y + size);
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bg.setStops({
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{ 0., st::historyPeerSavedMessagesBg->c },
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{ 1., st::historyPeerSavedMessagesBg2->c }
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});
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const auto &fg = st::historyPeerUserpicFg;
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PaintSavedMessages(p, x, y, outerWidth, size, QBrush(bg), fg);
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}
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void EmptyUserpic::PaintSavedMessages(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size,
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QBrush bg,
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const style::color &fg) {
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x = style::RightToLeft() ? (outerWidth - x - size) : x;
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PainterHighQualityEnabler hq(p);
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p.setBrush(std::move(bg));
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p.setPen(Qt::NoPen);
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p.drawEllipse(x, y, size, size);
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PaintSavedMessagesInner(p, x, y, size, fg);
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}
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QImage EmptyUserpic::GenerateSavedMessages(int size) {
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return Generate(size, [&](QPainter &p) {
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PaintSavedMessages(p, 0, 0, size, size);
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});
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}
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void EmptyUserpic::PaintRepliesMessages(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size) {
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auto bg = QLinearGradient(x, y, x, y + size);
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bg.setStops({
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{ 0., st::historyPeerSavedMessagesBg->c },
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{ 1., st::historyPeerSavedMessagesBg2->c }
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});
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const auto &fg = st::historyPeerUserpicFg;
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PaintRepliesMessages(p, x, y, outerWidth, size, QBrush(bg), fg);
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}
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void EmptyUserpic::PaintRepliesMessages(
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QPainter &p,
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int x,
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int y,
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int outerWidth,
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int size,
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QBrush bg,
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const style::color &fg) {
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x = style::RightToLeft() ? (outerWidth - x - size) : x;
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PainterHighQualityEnabler hq(p);
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p.setBrush(bg);
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p.setPen(Qt::NoPen);
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p.drawEllipse(x, y, size, size);
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PaintRepliesMessagesInner(p, x, y, size, fg);
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}
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QImage EmptyUserpic::GenerateRepliesMessages(int size) {
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return Generate(size, [&](QPainter &p) {
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PaintRepliesMessages(p, 0, 0, size, size);
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});
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}
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std::pair<uint64, uint64> EmptyUserpic::uniqueKey() const {
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const auto first = (uint64(0xFFFFFFFFU) << 32)
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| anim::getPremultiplied(_colors.color1->c);
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auto second = uint64(0);
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memcpy(
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&second,
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_string.constData(),
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std::min(sizeof(second), size_t(_string.size()) * sizeof(QChar)));
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return { first, second };
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}
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QPixmap EmptyUserpic::generate(int size) {
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auto result = QImage(
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QSize(size, size) * style::DevicePixelRatio(),
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QImage::Format_ARGB32_Premultiplied);
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result.setDevicePixelRatio(style::DevicePixelRatio());
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result.fill(Qt::transparent);
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{
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auto p = QPainter(&result);
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paintCircle(p, 0, 0, size, size);
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}
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return Ui::PixmapFromImage(std::move(result));
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}
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void EmptyUserpic::fillString(const QString &name) {
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if (IsExternal(name) || IsInaccessible(name)) {
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_string = name;
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return;
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}
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QList<QString> letters;
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QList<int> levels;
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auto level = 0;
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auto letterFound = false;
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auto ch = name.constData(), end = ch + name.size();
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while (ch != end) {
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auto emojiLength = 0;
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if (Ui::Emoji::Find(ch, end, &emojiLength)) {
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ch += emojiLength;
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} else if (ch->isHighSurrogate()) {
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++ch;
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if (ch != end && ch->isLowSurrogate()) {
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++ch;
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}
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} else if (!letterFound && ch->isLetterOrNumber()) {
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letterFound = true;
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if (ch + 1 != end && Ui::Text::IsDiacritic(*(ch + 1))) {
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letters.push_back(QString(ch, 2));
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levels.push_back(level);
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++ch;
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} else {
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letters.push_back(QString(ch, 1));
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levels.push_back(level);
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}
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++ch;
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} else {
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if (*ch == ' ') {
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level = 0;
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letterFound = false;
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} else if (letterFound && *ch == '-') {
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level = 1;
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letterFound = true;
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}
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++ch;
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}
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}
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// We prefer the second letter to be after ' ', but it can also be after '-'.
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_string = QString();
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if (!letters.isEmpty()) {
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_string += letters.front();
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auto bestIndex = 0;
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auto bestLevel = 2;
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for (auto i = letters.size(); i != 1;) {
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if (levels[--i] < bestLevel) {
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bestIndex = i;
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bestLevel = levels[i];
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}
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}
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if (bestIndex > 0) {
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_string += letters[bestIndex];
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}
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}
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_string = _string.toUpper();
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}
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EmptyUserpic::~EmptyUserpic() = default;
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} // namespace Ui
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