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/* Copyright 2019 Diligent Graphics LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "imgui.h"
#include "ImGuiImplMacOS.hpp"
#include "backends/imgui_impl_osx.h"
#import <Cocoa/Cocoa.h>
namespace Diligent
{
ImGuiImplMacOS::ImGuiImplMacOS(IRenderDevice* pDevice,
TEXTURE_FORMAT BackBufferFmt,
TEXTURE_FORMAT DepthBufferFmt,
Uint32 InitialVertexBufferSize,
Uint32 InitialIndexBufferSize) :
ImGuiImplDiligent(pDevice, BackBufferFmt, DepthBufferFmt, InitialVertexBufferSize, InitialIndexBufferSize)
{
ImGui_ImplOSX_Init();
ImGuiIO& io = ImGui::GetIO();
io.FontGlobalScale = 2;
io.BackendPlatformName = "Diligent-ImGuiImplMacOS";
}
ImGuiImplMacOS::~ImGuiImplMacOS()
{
ImGui_ImplOSX_Shutdown();
}
void ImGuiImplMacOS::NewFrame(Uint32 RenderSurfaceWidth,
Uint32 RenderSurfaceHeight,
SURFACE_TRANSFORM SurfacePreTransform)
{
std::lock_guard<std::mutex> Lock(m_Mtx);
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(RenderSurfaceWidth, RenderSurfaceHeight);
ImGui_ImplOSX_NewFrame(nil);
ImGuiImplDiligent::NewFrame(RenderSurfaceWidth, RenderSurfaceHeight, SurfacePreTransform);
}
bool ImGuiImplMacOS::HandleOSXEvent(NSEvent *_Nonnull event, NSView *_Nonnull view)
{
std::lock_guard<std::mutex> Lock(m_Mtx);
ImGuiIO& io = ImGui::GetIO();
if (event.type == NSEventTypeMouseMoved || event.type == NSEventTypeLeftMouseDragged)
{
NSRect viewRectPoints = [view bounds];
NSRect viewRectPixels = [view convertRectToBacking:viewRectPoints];
NSPoint curPoint = [view convertPoint:[event locationInWindow] fromView:nil];
curPoint = [view convertPointToBacking:curPoint];
io.MousePos = ImVec2(curPoint.x, viewRectPixels.size.height-1 - curPoint.y);
return io.WantCaptureMouse;
}
return ImGui_ImplOSX_HandleEvent((NSEvent*)event, (NSView*)view);
}
void ImGuiImplMacOS::Render(IDeviceContext* pCtx)
{
std::lock_guard<std::mutex> Lock(m_Mtx);
ImGuiImplDiligent::Render(pCtx);
}
}
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