alexpete
86 lines
3.1 KiB
C++
86 lines
3.1 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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#include "ViewportAddGuideInteraction.h"
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#include "CanvasHelpers.h"
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#include "GuideHelpers.h"
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#include <LyShine/Bus/UiEditorCanvasBus.h>
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ViewportAddGuideInteraction::ViewportAddGuideInteraction(
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EditorWindow* editorWindow,
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AZ::EntityId canvasId,
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bool guideIsVertical,
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const AZ::Vector2& startDragMousePos
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)
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: ViewportDragInteraction(startDragMousePos)
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, m_editorWindow(editorWindow)
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, m_canvasId(canvasId)
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, m_guideIsVertical(guideIsVertical)
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, m_cursorViewportPos(0.0f, 0.0f)
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{
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// store whether snapping is enabled for this canvas
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EBUS_EVENT_ID_RESULT(m_isSnapping, canvasId, UiEditorCanvasBus, GetIsSnapEnabled);
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m_addingGuideAtPosition = CanvasHelpers::GetSnappedCanvasPoint(m_canvasId, startDragMousePos, m_isSnapping);
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}
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ViewportAddGuideInteraction::~ViewportAddGuideInteraction()
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{
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}
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void ViewportAddGuideInteraction::Update(const AZ::Vector2& mousePos)
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{
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m_cursorViewportPos = mousePos;
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m_addingGuideAtPosition = CanvasHelpers::GetSnappedCanvasPoint(m_canvasId, mousePos, m_isSnapping);
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}
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void ViewportAddGuideInteraction::Render(Draw2dHelper& draw2d)
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{
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float pos = (m_guideIsVertical) ? m_addingGuideAtPosition.GetX() : m_addingGuideAtPosition.GetY();
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GuideHelpers::DrawGhostGuideLine(draw2d, m_editorWindow->GetCanvas(), m_guideIsVertical, m_editorWindow->GetViewport(), m_addingGuideAtPosition);
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GuideHelpers::DrawGuidePosTextDisplay(draw2d, m_guideIsVertical, pos, m_editorWindow->GetViewport());
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}
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void ViewportAddGuideInteraction::EndInteraction(EndState endState)
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{
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if (endState == EndState::Inside || (m_guideIsVertical ? endState == EndState::OutsideY : endState == EndState::OutsideX))
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{
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// The drag was released in the viewport
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AZ::EntityId canvasEntityId = m_editorWindow->GetCanvas();
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// record canvas state before the change
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AZStd::string canvasUndoXml = CanvasHelpers::BeginUndoableCanvasChange(canvasEntityId);
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// Add the new guide to the canvas
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if (m_guideIsVertical)
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{
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EBUS_EVENT_ID(canvasEntityId, UiEditorCanvasBus, AddVerticalGuide, m_addingGuideAtPosition.GetX());
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}
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else
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{
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EBUS_EVENT_ID(canvasEntityId, UiEditorCanvasBus, AddHorizontalGuide, m_addingGuideAtPosition.GetY());
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}
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// force guides to be visible so that you can see the added guide
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m_editorWindow->GetViewport()->ShowGuides(true);
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// Create the undoable command and push it onto the undo stack
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CanvasHelpers::EndUndoableCanvasChange(m_editorWindow, "add guide", canvasUndoXml);
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}
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}
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