diff options
Diffstat (limited to 'archived/projt-launcher/launcher/ui/widgets/LogView.cpp')
| -rw-r--r-- | archived/projt-launcher/launcher/ui/widgets/LogView.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/ui/widgets/LogView.cpp b/archived/projt-launcher/launcher/ui/widgets/LogView.cpp new file mode 100644 index 0000000000..bcf08131c3 --- /dev/null +++ b/archived/projt-launcher/launcher/ui/widgets/LogView.cpp @@ -0,0 +1,229 @@ +// SPDX-License-Identifier: GPL-3.0-only +// SPDX-FileCopyrightText: 2026 Project Tick +// SPDX-FileContributor: Project Tick Team +/* + * ProjT Launcher - Minecraft Launcher + * Copyright (C) 2026 Project Tick + * + * This program 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, version 3. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * === Upstream License Block (Do Not Modify) ============================== + * + * + * + * Prism Launcher - Minecraft Launcher + * Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net> + * + * This program 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, version 3. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * This file incorporates work covered by the following copyright and + * permission notice: + * + * Copyright 2013-2021 MultiMC Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * ======================================================================== */ + +#include "LogView.h" +#include <QScrollBar> +#include <QTextBlock> +#include <QTextDocumentFragment> + +LogView::LogView(QWidget* parent) : QPlainTextEdit(parent) +{ + setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); + m_defaultFormat = new QTextCharFormat(currentCharFormat()); + setUndoRedoEnabled(false); +} + +LogView::~LogView() +{ + delete m_defaultFormat; +} + +void LogView::setWordWrap(bool wrapping) +{ + if (wrapping) + { + setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + setLineWrapMode(QPlainTextEdit::WidgetWidth); + } + else + { + setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded); + setLineWrapMode(QPlainTextEdit::NoWrap); + } +} + +void LogView::setColorLines(bool colorLines) +{ + if (m_colorLines == colorLines) + return; + m_colorLines = colorLines; + repopulate(); +} + +void LogView::setModel(QAbstractItemModel* model) +{ + if (m_model) + { + disconnect(m_model, &QAbstractItemModel::modelReset, this, &LogView::repopulate); + disconnect(m_model, &QAbstractItemModel::rowsInserted, this, &LogView::rowsInserted); + disconnect(m_model, &QAbstractItemModel::rowsAboutToBeInserted, this, &LogView::rowsAboutToBeInserted); + disconnect(m_model, &QAbstractItemModel::rowsRemoved, this, &LogView::rowsRemoved); + } + m_model = model; + if (m_model) + { + connect(m_model, &QAbstractItemModel::modelReset, this, &LogView::repopulate); + connect(m_model, &QAbstractItemModel::rowsInserted, this, &LogView::rowsInserted); + connect(m_model, &QAbstractItemModel::rowsAboutToBeInserted, this, &LogView::rowsAboutToBeInserted); + connect(m_model, &QAbstractItemModel::rowsRemoved, this, &LogView::rowsRemoved); + connect(m_model, &QAbstractItemModel::destroyed, this, &LogView::modelDestroyed); + } + repopulate(); +} + +QAbstractItemModel* LogView::model() const +{ + return m_model; +} + +void LogView::modelDestroyed(QObject* model) +{ + if (m_model == model) + { + setModel(nullptr); + } +} + +void LogView::repopulate() +{ + auto doc = document(); + doc->clear(); + if (!m_model) + { + return; + } + rowsInserted(QModelIndex(), 0, m_model->rowCount() - 1); +} + +void LogView::rowsAboutToBeInserted(const QModelIndex& parent, int first, int last) +{ + Q_UNUSED(parent) + Q_UNUSED(first) + Q_UNUSED(last) + QScrollBar* bar = verticalScrollBar(); + int max_bar = bar->maximum(); + int val_bar = bar->value(); + if (m_scroll) + { + m_scroll = (max_bar - val_bar) <= 1; + } + else + { + m_scroll = val_bar == max_bar; + } +} + +void LogView::rowsInserted(const QModelIndex& parent, int first, int last) +{ + QTextDocument document; + QTextCursor cursor(&document); + + cursor.movePosition(QTextCursor::End); + cursor.beginEditBlock(); + for (int i = first; i <= last; i++) + { + auto idx = m_model->index(i, 0, parent); + auto text = m_model->data(idx, Qt::DisplayRole).toString(); + QTextCharFormat format(*m_defaultFormat); + auto font = m_model->data(idx, Qt::FontRole); + if (font.isValid()) + { + format.setFont(font.value<QFont>()); + } + auto fg = m_model->data(idx, Qt::ForegroundRole); + if (fg.isValid() && m_colorLines) + { + format.setForeground(fg.value<QColor>()); + } + auto bg = m_model->data(idx, Qt::BackgroundRole); + if (bg.isValid() && m_colorLines) + { + format.setBackground(bg.value<QColor>()); + } + cursor.insertText(text, format); + cursor.insertBlock(); + } + cursor.endEditBlock(); + + QTextDocumentFragment fragment(&document); + QTextCursor workCursor = textCursor(); + workCursor.movePosition(QTextCursor::End); + workCursor.insertFragment(fragment); + + if (m_scroll && !m_scrolling) + { + m_scrolling = true; + QMetaObject::invokeMethod(this, "scrollToBottom", Qt::QueuedConnection); + } +} + +void LogView::rowsRemoved(const QModelIndex& parent, int first, int last) +{ + Q_UNUSED(parent) + Q_UNUSED(first) + Q_UNUSED(last) + + // If we were scrolled to the bottom, stay at the bottom after rows are removed + // This ensures the user doesn't lose their position when log lines are removed + if (m_scrolling) + { + QMetaObject::invokeMethod(this, "scrollToBottom", Qt::QueuedConnection); + } +} + +void LogView::scrollToBottom() +{ + m_scrolling = false; + verticalScrollBar()->setSliderPosition(verticalScrollBar()->maximum()); +} + +void LogView::findNext(const QString& what, bool reverse) +{ + find(what, reverse ? QTextDocument::FindFlag::FindBackward : QTextDocument::FindFlag(0)); +} |