alexpete
99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include "UiCanvasEditor_precompiled.h"
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#include "EditorCommon.h"
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CommandCanvasSizeToolbarIndex::CommandCanvasSizeToolbarIndex(UndoStack* stack,
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CanvasSizeToolbarSection* canvasSizeToolbar,
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int from,
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int to)
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: QUndoCommand()
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, m_stack(stack)
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, m_canvasSizeToolbar(canvasSizeToolbar)
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, m_from(from)
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, m_to(to)
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{
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UpdateText();
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}
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void CommandCanvasSizeToolbarIndex::undo()
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{
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UndoStackExecutionScope s(m_stack);
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SetIndex(m_from);
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}
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void CommandCanvasSizeToolbarIndex::redo()
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{
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UndoStackExecutionScope s(m_stack);
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SetIndex(m_to);
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}
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int CommandCanvasSizeToolbarIndex::id() const
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{
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return (int)FusibleCommand::kCanvasSizeToolbarIndex;
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}
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bool CommandCanvasSizeToolbarIndex::mergeWith(const QUndoCommand* other)
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{
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if (other->id() != id())
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{
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// NOT the same command type.
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return false;
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}
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const CommandCanvasSizeToolbarIndex* subsequent = static_cast<const CommandCanvasSizeToolbarIndex*>(other);
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AZ_Assert(subsequent, "There is no command to merge with");
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if (!((subsequent->m_stack == m_stack) &&
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(subsequent->m_canvasSizeToolbar == m_canvasSizeToolbar)))
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{
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// NOT the same context.
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return false;
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}
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m_to = subsequent->m_to;
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UpdateText();
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return true;
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}
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void CommandCanvasSizeToolbarIndex::UpdateText()
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{
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setText(QString("canvas size change to %1").arg(m_canvasSizeToolbar->IndexToString(m_to)));
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}
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void CommandCanvasSizeToolbarIndex::SetIndex(int index) const
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{
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// IMPORTANT: It's NOT necessary to prevent this from executing on the
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// first run. We WON'T get a redundant Qt notification by this point.
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m_canvasSizeToolbar->SetIndex(index);
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}
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void CommandCanvasSizeToolbarIndex::Push(UndoStack* stack,
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CanvasSizeToolbarSection* canvasSizeToolbar,
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int from,
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int to)
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{
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if (stack->GetIsExecuting())
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{
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// This is a redundant Qt notification.
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// Nothing else to do.
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return;
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}
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stack->push(new CommandCanvasSizeToolbarIndex(stack, canvasSizeToolbar, from, to));
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}
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