Mike-Solar
a030f2da20
- issue 5 (#53): ExportDialog playhead via PlaybackController - issue 6 (#54): timebasedwidget/timelinewidget playhead via PlaybackController - issue 7 (#55): historywidget via app-internal Core::undo_index_changed - issue 8 (#33): PROJECT_MODIFIED_CHANGED re-broadcast as Core::project_modified_changed
139 lines
3.4 KiB
C++
139 lines
3.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2023 Olive Studios LLC
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Modifications Copyright (C) 2025 mikesolar
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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 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "historywidget.h"
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#include "core.h"
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#include "oakengine/undo.h"
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namespace olive
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{
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HistoryModel::HistoryModel(QObject *parent)
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: QAbstractItemModel(parent)
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{
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// Refresh on Core's app-internal undo signal (issue 7 of the EventBridge
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// elimination plan) instead of a raw C event subscription; the connection
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// auto-disconnects with `this`.
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connect(Core::instance(), &Core::undo_index_changed, this, [this](int) {
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beginResetModel();
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endResetModel();
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});
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}
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QModelIndex HistoryModel::index(int row, int column,
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const QModelIndex &parent) const
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{
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Q_UNUSED(parent)
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return createIndex(row, column, nullptr);
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}
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QModelIndex HistoryModel::parent(const QModelIndex &index) const
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{
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Q_UNUSED(index)
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return QModelIndex();
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}
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int HistoryModel::rowCount(const QModelIndex &parent) const
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{
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if (parent.isValid()) {
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return 0;
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}
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return static_cast<int>(oakengine_undo_count());
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}
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int HistoryModel::columnCount(const QModelIndex &parent) const
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{
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if (parent.isValid()) {
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return 0;
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}
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return 2;
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}
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QVariant HistoryModel::data(const QModelIndex &index, int role) const
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{
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if (role == Qt::DisplayRole) {
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switch (index.column()) {
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case 0:
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return index.row() + 1;
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case 1: {
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char buf[1024];
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buf[0] = '\0';
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oakengine_undo_command_text(index.row(), buf, sizeof(buf));
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const QString name = QString::fromUtf8(buf);
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return name.isEmpty() ? tr("Command") : name;
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}
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}
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} else if (role == Qt::ForegroundRole) {
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// Rows at/after the current stack index are undone commands
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if (index.row() >= oakengine_undo_index()) {
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return QVariant(QColor(Qt::gray));
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}
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}
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return QVariant();
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}
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QVariant HistoryModel::headerData(int section, Qt::Orientation orientation,
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int role) const
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{
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Q_UNUSED(orientation)
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if (role == Qt::DisplayRole) {
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switch (section) {
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case 0:
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return QStringLiteral("Number");
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case 1:
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return QStringLiteral("Action");
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}
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}
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return QVariant();
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}
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HistoryWidget::HistoryWidget(QWidget *parent)
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: QTreeView(parent)
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{
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model_ = new HistoryModel(this);
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this->setModel(model_);
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this->setRootIsDecorated(false);
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connect(Core::instance(), &Core::undo_index_changed, this,
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&HistoryWidget::index_changed);
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connect(this->selectionModel(), &QItemSelectionModel::currentRowChanged,
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this, &HistoryWidget::current_row_changed);
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}
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void HistoryWidget::index_changed(int i)
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{
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this->selectionModel()->select(this->model()->index(i - 1, 0),
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QItemSelectionModel::ClearAndSelect |
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QItemSelectionModel::Rows);
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}
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void HistoryWidget::current_row_changed(const QModelIndex ¤t,
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const QModelIndex &previous)
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{
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size_t jump_to = (current.row() + 1);
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oakengine_undo_jump(static_cast<int64_t>(jump_to));
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}
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}
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