implement history panel

2023-03-11 22:26:21 -08:00
parent 0beecfaaa6
commit 019f095ee4
33 changed files with 428 additions and 68 deletions
@@ -0,0 +1,49 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2023 Olive Studios LLC
+
+  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, either version 3 of the License, or
+  (at your option) any later version.
+
+  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, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "historywidget.h"
+
+#include "core.h"
+
+namespace olive {
+
+HistoryWidget::HistoryWidget(QWidget *parent) :
+  QTreeView(parent)
+{
+  stack_ = Core::instance()->undo_stack();
+
+  this->setModel(stack_);
+  this->setRootIsDecorated(false);
+  connect(stack_, &UndoStack::indexChanged, this, &HistoryWidget::indexChanged);
+  connect(this->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &HistoryWidget::currentRowChanged);
+}
+
+void HistoryWidget::indexChanged(int i)
+{
+  this->selectionModel()->select(this->model()->index(i-1, 0), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
+}
+
+void HistoryWidget::currentRowChanged(const QModelIndex &current, const QModelIndex &previous)
+{
+  size_t jump_to = (current.row() + 1);
+  stack_->jump(jump_to);
+}
+
+}