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o3de/Gems/LyShine/Code/Editor/CommandViewportInteractionM...

96 lines
2.3 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include "UiCanvasEditor_precompiled.h"
#include "EditorCommon.h"
CommandViewportInteractionMode::CommandViewportInteractionMode(UndoStack* stack,
ViewportInteraction* viewportInteraction,
QAction* from,
QAction* to)
: QUndoCommand()
, m_stack(stack)
, m_viewportInteraction(viewportInteraction)
, m_from(from)
, m_to(to)
{
UpdateText();
}
void CommandViewportInteractionMode::undo()
{
UndoStackExecutionScope s(m_stack);
SetMode(m_from);
}
void CommandViewportInteractionMode::redo()
{
UndoStackExecutionScope s(m_stack);
SetMode(m_to);
}
int CommandViewportInteractionMode::id() const
{
return (int)FusibleCommand::kViewportInteractionMode;
}
bool CommandViewportInteractionMode::mergeWith(const QUndoCommand* other)
{
if (other->id() != id())
{
// NOT the same command type.
return false;
}
const CommandViewportInteractionMode* subsequent = static_cast<const CommandViewportInteractionMode*>(other);
AZ_Assert(subsequent, "No command to merge with");
if (!((subsequent->m_stack == m_stack) &&
(subsequent->m_viewportInteraction == m_viewportInteraction)))
{
// NOT the same context.
return false;
}
m_to = subsequent->m_to;
UpdateText();
return true;
}
void CommandViewportInteractionMode::UpdateText()
{
setText(QString("mode change to %1").arg(ViewportHelpers::InteractionModeToString(m_to->data().toInt())));
}
void CommandViewportInteractionMode::SetMode(QAction* action) const
{
action->trigger();
// IMPORTANT: It's NOT necessary to prevent this from executing on the
// first run. We WON'T get a redundant Qt notification by this point.
m_viewportInteraction->SetMode((ViewportInteraction::InteractionMode)action->data().toInt());
}
void CommandViewportInteractionMode::Push(UndoStack* stack,
ViewportInteraction* viewportInteraction,
QAction* from,
QAction* to)
{
if (stack->GetIsExecuting())
{
// This is a redundant Qt notification.
// Nothing else to do.
return;
}
stack->push(new CommandViewportInteractionMode(stack, viewportInteraction, from, to));
}