mirror of https://github.com/nextcloud/desktop
430 lines
16 KiB
C++
430 lines
16 KiB
C++
/*
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* Copyright (C) by Klaas Freitag <freitag@kde.org>
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* Copyright (C) by Olivier Goffart <ogoffart@woboq.com>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "folderstatusdelegate.h"
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#include "folderstatusmodel.h"
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#include "folderstatusview.h"
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#include "folderman.h"
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#include "accountstate.h"
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#include <theme.h>
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#include <account.h>
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#include <QFileIconProvider>
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#include <QPainter>
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#include <QApplication>
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#include <QMouseEvent>
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#include <QStyleFactory>
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inline static QFont makeAliasFont(const QFont &normalFont)
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{
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QFont aliasFont = normalFont;
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aliasFont.setBold(true);
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aliasFont.setPointSize(normalFont.pointSize() + 2);
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return aliasFont;
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}
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namespace {
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#ifdef Q_OS_MACOS
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const auto backupStyle = QStyleFactory::create("Fusion");
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#endif
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}
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namespace OCC {
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FolderStatusDelegate::FolderStatusDelegate()
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: QStyledItemDelegate()
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{
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customizeStyle();
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}
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QString FolderStatusDelegate::addFolderText()
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{
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return tr("Add Folder Sync Connection");
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}
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// allocate each item size in listview.
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QSize FolderStatusDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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{
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QFont aliasFont = makeAliasFont(option.font);
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QFont font = option.font;
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QFontMetrics fm(font);
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QFontMetrics aliasFm(aliasFont);
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auto classif = dynamic_cast<const FolderStatusModel *>(index.model())->classify(index);
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if (classif == FolderStatusModel::AddButton) {
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const int margins = aliasFm.height(); // same as 2*aliasMargin of paint
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QFontMetrics fm(qApp->font("QPushButton"));
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QStyleOptionButton opt;
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static_cast<QStyleOption &>(opt) = option;
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opt.text = addFolderText();
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return QApplication::style()->sizeFromContents( QStyle::CT_PushButton, &opt, fm.size(Qt::TextSingleLine, opt.text)) +
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QSize(0, margins);
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}
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if (classif != FolderStatusModel::RootFolder) {
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return QStyledItemDelegate::sizeHint(option, index);
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}
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// calc height
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int h = rootFolderHeightWithoutErrors(fm, aliasFm);
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// this already includes the bottom margin
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// add some space for the message boxes.
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int margin = fm.height() / 4;
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for (auto role : {FolderConflictMsg, FolderErrorMsg, FolderInfoMsg}) {
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auto msgs = qvariant_cast<QStringList>(index.data(role));
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if (!msgs.isEmpty()) {
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h += margin + 2 * margin + msgs.count() * fm.height();
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}
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}
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return {0, h};
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}
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int FolderStatusDelegate::rootFolderHeightWithoutErrors(const QFontMetrics &fm, const QFontMetrics &aliasFm)
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{
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const int aliasMargin = aliasFm.height() / 2;
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const int margin = fm.height() / 4;
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int h = aliasMargin; // margin to top
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h += aliasFm.height(); // alias
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h += margin; // between alias and local path
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h += fm.height(); // local path
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h += margin; // between local and remote path
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h += fm.height(); // remote path
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h += margin; // bottom margin
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return h;
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}
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void FolderStatusDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if (index.data(AddButton).toBool()) {
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const_cast<QStyleOptionViewItem &>(option).showDecorationSelected = false;
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}
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QStyledItemDelegate::paint(painter, option, index);
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auto textAlign = Qt::AlignLeft;
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const auto aliasFont = makeAliasFont(option.font);
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const auto subFont = option.font;
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const auto errorFont = subFont;
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auto progressFont = subFont;
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progressFont.setPointSize(subFont.pointSize() - 2);
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QFontMetrics subFm(subFont);
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QFontMetrics aliasFm(aliasFont);
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const auto aliasMargin = aliasFm.height() / 2;
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const auto margin = subFm.height() / 4;
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if (index.data(AddButton).toBool()) {
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QStyleOptionButton opt;
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static_cast<QStyleOption &>(opt) = option;
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if (opt.state & QStyle::State_Enabled && opt.state & QStyle::State_MouseOver && index == _pressedIndex) {
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opt.state |= QStyle::State_Sunken;
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} else {
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opt.state |= QStyle::State_Raised;
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}
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opt.text = addFolderText();
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opt.rect = addButtonRect(option.rect, option.direction);
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painter->save();
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painter->setFont(qApp->font("QPushButton"));
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QApplication::style()->drawControl(QStyle::CE_PushButton, &opt, painter, option.widget);
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painter->restore();
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return;
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}
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if (dynamic_cast<const FolderStatusModel *>(index.model())->classify(index) != FolderStatusModel::RootFolder) {
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return;
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}
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painter->save();
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auto statusIcon = qvariant_cast<QIcon>(index.data(FolderStatusIconRole));
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auto aliasText = qvariant_cast<QString>(index.data(HeaderRole));
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auto pathText = qvariant_cast<QString>(index.data(FolderPathRole));
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auto conflictTexts = qvariant_cast<QStringList>(index.data(FolderConflictMsg));
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auto errorTexts = qvariant_cast<QStringList>(index.data(FolderErrorMsg));
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auto infoTexts = qvariant_cast<QStringList>(index.data(FolderInfoMsg));
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auto overallPercent = qvariant_cast<int>(index.data(SyncProgressOverallPercent));
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auto overallString = qvariant_cast<QString>(index.data(SyncProgressOverallString));
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auto itemString = qvariant_cast<QString>(index.data(SyncProgressItemString));
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auto warningCount = qvariant_cast<int>(index.data(WarningCount));
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auto syncOngoing = qvariant_cast<bool>(index.data(SyncRunning));
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auto syncEnabled = qvariant_cast<bool>(index.data(FolderAccountConnected));
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auto syncText = qvariant_cast<QString>(index.data(FolderSyncText));
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auto iconRect = option.rect;
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auto aliasRect = option.rect;
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iconRect.setLeft(option.rect.left() + aliasMargin);
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iconRect.setTop(iconRect.top() + aliasMargin); // (iconRect.height()-iconsize.height())/2);
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// alias box
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aliasRect.setTop(aliasRect.top() + aliasMargin);
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aliasRect.setBottom(aliasRect.top() + aliasFm.height());
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aliasRect.setRight(aliasRect.right() - aliasMargin);
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// remote directory box
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auto remotePathRect = aliasRect;
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remotePathRect.setTop(aliasRect.bottom() + margin);
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remotePathRect.setBottom(remotePathRect.top() + subFm.height());
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// local directory box
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auto localPathRect = remotePathRect;
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localPathRect.setTop(remotePathRect.bottom() + margin);
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localPathRect.setBottom(localPathRect.top() + subFm.height());
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iconRect.setBottom(localPathRect.bottom());
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iconRect.setWidth(iconRect.height());
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const auto nextToIcon = iconRect.right() + aliasMargin;
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aliasRect.setLeft(nextToIcon);
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localPathRect.setLeft(nextToIcon);
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remotePathRect.setLeft(nextToIcon);
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const auto iconSize = iconRect.width();
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auto optionsButtonVisualRect = optionsButtonRect(option.rect, option.direction);
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const auto statusPixmap = statusIcon.pixmap(iconSize, iconSize, syncEnabled ? QIcon::Normal : QIcon::Disabled);
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painter->drawPixmap(QStyle::visualRect(option.direction, option.rect, iconRect).left(), iconRect.top(), statusPixmap);
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// only show the warning icon if the sync is running. Otherwise its
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// encoded in the status icon.
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if (warningCount > 0 && syncOngoing) {
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QRect warnRect;
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warnRect.setLeft(iconRect.left());
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warnRect.setTop(iconRect.bottom() - 17);
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warnRect.setWidth(16);
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warnRect.setHeight(16);
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QIcon warnIcon(":/client/theme/warning");
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const auto warnPixmap = warnIcon.pixmap(16, 16, syncEnabled ? QIcon::Normal : QIcon::Disabled);
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warnRect = QStyle::visualRect(option.direction, option.rect, warnRect);
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painter->drawPixmap(QPoint(warnRect.left(), warnRect.top()), warnPixmap);
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}
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auto palette = option.palette;
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auto colourGroup = option.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
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if (colourGroup == QPalette::Normal && !(option.state & QStyle::State_Active)) {
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colourGroup = QPalette::Inactive;
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}
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if (option.state & QStyle::State_Selected) {
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painter->setPen(palette.color(colourGroup, QPalette::HighlightedText));
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} else {
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painter->setPen(palette.color(colourGroup, QPalette::Text));
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}
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const auto elidedAlias = aliasFm.elidedText(aliasText, Qt::ElideRight, aliasRect.width());
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painter->setFont(aliasFont);
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painter->drawText(QStyle::visualRect(option.direction, option.rect, aliasRect), textAlign, elidedAlias);
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const auto showProgess = !overallString.isEmpty() || !itemString.isEmpty();
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if (!showProgess) {
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painter->setFont(subFont);
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const auto elidedRemotePathText = subFm.elidedText(syncText, Qt::ElideRight, remotePathRect.width());
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painter->drawText(QStyle::visualRect(option.direction, option.rect, remotePathRect), textAlign, elidedRemotePathText);
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const auto elidedPathText = subFm.elidedText(pathText, Qt::ElideMiddle, localPathRect.width());
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painter->drawText(QStyle::visualRect(option.direction, option.rect, localPathRect), textAlign, elidedPathText);
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}
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auto textBoxTop = iconRect.bottom() + margin;
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// paint an error overlay if there is an error string or conflict string
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auto drawTextBox = [&](const QStringList &texts, QColor color) {
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auto rect = localPathRect;
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rect.setLeft(iconRect.left());
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rect.setTop(textBoxTop);
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rect.setHeight(texts.count() * subFm.height() + 2 * margin);
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rect.setRight(option.rect.right() - margin);
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// save previous state to not mess up colours with the background (fixes issue: https://github.com/nextcloud/desktop/issues/1237)
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painter->save();
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painter->setBrush(color);
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painter->setPen(QColor(0xaa, 0xaa, 0xaa));
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painter->drawRoundedRect(QStyle::visualRect(option.direction, option.rect, rect),
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4, 4);
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painter->setPen(Qt::white);
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painter->setFont(errorFont);
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QRect textRect(rect.left() + margin,
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rect.top() + margin,
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rect.width() - 2 * margin,
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subFm.height());
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for (const auto &eText : texts) {
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painter->drawText(QStyle::visualRect(option.direction, option.rect, textRect), textAlign, subFm.elidedText(eText, Qt::ElideLeft, textRect.width()));
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textRect.translate(0, textRect.height());
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}
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// restore previous state
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painter->restore();
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textBoxTop = rect.bottom() + margin;
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};
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if (!conflictTexts.isEmpty()) {
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drawTextBox(conflictTexts, QColor(0xba, 0xba, 0x4d));
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}
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if (!errorTexts.isEmpty()) {
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drawTextBox(errorTexts, QColor(0xbb, 0x4d, 0x4d));
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}
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if (!infoTexts.isEmpty()) {
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drawTextBox(infoTexts, QColor(0x4d, 0x4d, 0xba));
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}
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// Sync File Progress Bar: Show it if syncFile is not empty.
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if (showProgess) {
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const auto fileNameTextHeight = subFm.boundingRect(tr("File")).height();
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constexpr auto barHeight = 7; // same height as quota bar
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const auto overallWidth = option.rect.right() - aliasMargin - optionsButtonVisualRect.width() - nextToIcon;
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painter->save();
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// Overall Progress Bar.
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const auto progressBarRect = QRect(nextToIcon,
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remotePathRect.top(),
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overallWidth - 2 * margin,
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barHeight);
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QStyleOptionProgressBar progressBarOpt;
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progressBarOpt.state = option.state | QStyle::State_Horizontal;
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progressBarOpt.minimum = 0;
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progressBarOpt.maximum = 100;
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progressBarOpt.progress = overallPercent;
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progressBarOpt.state = QStyle::StateFlag::State_Horizontal;
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progressBarOpt.rect = QStyle::visualRect(option.direction, option.rect, progressBarRect);
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#ifdef Q_OS_MACOS
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backupStyle->drawControl(QStyle::CE_ProgressBar, &progressBarOpt, painter, option.widget);
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#else
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QApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOpt, painter, option.widget);
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#endif
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// Overall Progress Text
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QRect overallProgressRect;
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overallProgressRect.setTop(progressBarRect.bottom() + margin);
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overallProgressRect.setHeight(fileNameTextHeight);
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overallProgressRect.setLeft(progressBarRect.left());
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overallProgressRect.setWidth(progressBarRect.width());
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painter->setFont(progressFont);
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painter->drawText(QStyle::visualRect(option.direction, option.rect, overallProgressRect), Qt::AlignLeft | Qt::AlignVCenter, overallString);
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painter->restore();
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}
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painter->restore();
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{
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QStyleOptionToolButton btnOpt;
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btnOpt.state = option.state;
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btnOpt.state &= ~(QStyle::State_Selected | QStyle::State_HasFocus);
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btnOpt.state |= QStyle::State_Raised;
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btnOpt.arrowType = Qt::NoArrow;
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btnOpt.subControls = QStyle::SC_ToolButton;
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btnOpt.rect = optionsButtonVisualRect;
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btnOpt.icon = _iconMore;
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const auto buttonSize = QApplication::style()->pixelMetric(QStyle::PM_ButtonIconSize);
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btnOpt.iconSize = QSize(buttonSize, buttonSize);
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QApplication::style()->drawComplexControl(QStyle::CC_ToolButton, &btnOpt, painter);
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}
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}
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bool FolderStatusDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
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const QStyleOptionViewItem &option, const QModelIndex &index)
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{
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switch (event->type()) {
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case QEvent::MouseButtonPress:
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case QEvent::MouseMove:
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if (const auto *view = qobject_cast<const QAbstractItemView *>(option.widget)) {
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auto *me = dynamic_cast<QMouseEvent *>(event);
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QModelIndex index;
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if (me->buttons()) {
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index = view->indexAt(me->pos());
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}
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if (_pressedIndex != index) {
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_pressedIndex = index;
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view->viewport()->update();
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}
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}
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break;
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case QEvent::MouseButtonRelease:
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_pressedIndex = QModelIndex();
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break;
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default:
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break;
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}
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return QStyledItemDelegate::editorEvent(event, model, option, index);
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}
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QRect FolderStatusDelegate::optionsButtonRect(QRect within, Qt::LayoutDirection direction)
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{
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QFont font = QFont();
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QFont aliasFont = makeAliasFont(font);
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QFontMetrics fm(font);
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QFontMetrics aliasFm(aliasFont);
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within.setHeight(FolderStatusDelegate::rootFolderHeightWithoutErrors(fm, aliasFm));
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QStyleOptionToolButton opt;
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int e = QApplication::style()->pixelMetric(QStyle::PM_ButtonIconSize);
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opt.rect.setSize(QSize(e,e));
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QSize size = QApplication::style()->sizeFromContents(QStyle::CT_ToolButton, &opt, opt.rect.size());
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int margin = QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing);
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QRect r(QPoint(within.right() - size.width() - margin,
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within.top() + within.height() / 2 - size.height() / 2),
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size);
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return QStyle::visualRect(direction, within, r);
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}
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QRect FolderStatusDelegate::addButtonRect(QRect within, Qt::LayoutDirection direction)
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{
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QFontMetrics fm(qApp->font("QPushButton"));
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QStyleOptionButton opt;
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opt.text = addFolderText();
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QSize size = QApplication::style()->sizeFromContents(QStyle::CT_PushButton, &opt, fm.size(Qt::TextSingleLine, opt.text));
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QRect r(QPoint(within.left(), within.top() + within.height() / 2 - size.height() / 2), size);
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return QStyle::visualRect(direction, within, r);
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}
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QRect FolderStatusDelegate::errorsListRect(QRect within)
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{
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QFont font = QFont();
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QFont aliasFont = makeAliasFont(font);
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QFontMetrics fm(font);
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QFontMetrics aliasFm(aliasFont);
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within.setTop(within.top() + FolderStatusDelegate::rootFolderHeightWithoutErrors(fm, aliasFm));
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return within;
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}
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void FolderStatusDelegate::slotStyleChanged()
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{
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customizeStyle();
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}
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void FolderStatusDelegate::customizeStyle()
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{
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_iconMore = Theme::createColorAwareIcon(QLatin1String(":/client/theme/more.svg"));
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}
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} // namespace OCC
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