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117 lines
3.5 KiB
C++
117 lines
3.5 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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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#include "StdAfx.h"
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#include "FrameWindow.h"
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#include "Win32GUI.h"
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#include "IUIComponent.h"
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#include <Windows.h>
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#include <cassert>
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FrameWindow::FrameWindow()
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: m_hwnd(0)
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, m_layout(Layout::DirectionVertical)
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{
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}
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FrameWindow::~FrameWindow()
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{
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if (m_hwnd)
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{
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Show(false, 0, 0);
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}
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}
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void FrameWindow::AddComponent(IUIComponent* component)
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{
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assert(m_hwnd == 0);
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m_layout.AddComponent(component);
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}
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void FrameWindow::Show(bool show, int width, int height)
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{
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if (show)
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{
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assert(m_hwnd == 0);
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TCHAR* className = _T("CustomFrameWindowClass212");
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Win32GUI::RegisterFrameClass(className);
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m_hwnd = Win32GUI::CreateFrame(className, WS_MINIMIZEBOX | WS_OVERLAPPED | WS_THICKFRAME | WS_CAPTION | WS_SYSMENU | WS_MAXIMIZEBOX, width, height);
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Win32GUI::SetCallback<Win32GUI::EventCallbacks::GetDimensions, FrameWindow>((HWND)m_hwnd, this, &FrameWindow::CalculateExtremeDimensions);
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Win32GUI::SetCallback<Win32GUI::EventCallbacks::SizeChanged, FrameWindow>((HWND)m_hwnd, this, &FrameWindow::OnSizeChanged);
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std::pair<int, int> size = InitializeSize();
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m_layout.CreateUI(m_hwnd, 0, 0, size.first, size.second);
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ShowWindow((HWND)m_hwnd, SW_SHOWDEFAULT);
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}
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else
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{
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m_layout.DestroyUI(m_hwnd);
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assert(m_hwnd != 0);
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DestroyWindow((HWND)m_hwnd);
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m_hwnd = 0;
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}
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}
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void FrameWindow::SetCaption(const TCHAR* caption)
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{
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SendMessage((HWND)m_hwnd, WM_SETTEXT, 0, (LPARAM)caption);
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}
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void* FrameWindow::GetHWND()
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{
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return m_hwnd;
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}
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std::pair<int, int> FrameWindow::InitializeSize()
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{
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int minW, maxW, minH, maxH;
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CalculateExtremeDimensions(minW, maxW, minH, maxH);
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RECT rect;
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GetWindowRect((HWND)m_hwnd, &rect);
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int width = int((std::min)(maxW, (std::max)(minW, int(rect.right - rect.left))));
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int height = int((std::min)(maxH, (std::max)(minH, int(rect.bottom - rect.top))));
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MoveWindow((HWND)m_hwnd, rect.left, rect.top, width, height, false);
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return std::make_pair(width, height);
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}
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void FrameWindow::CalculateExtremeDimensions(int& minWidth, int& maxWidth, int& minHeight, int& maxHeight)
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{
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int minW = 0;
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int maxW = 0;
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int minH = 0;
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int maxH = 0;
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m_layout.GetExtremeDimensions(m_hwnd, minW, maxW, minH, maxH);
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// Add the space required for the window decorations.
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RECT rect;
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rect.left = 0, rect.top = 0, rect.right = minW, rect.bottom = minH;
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unsigned style = GetWindowLong((HWND)m_hwnd, GWL_STYLE);
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AdjustWindowRect(&rect, style, false);
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minW = rect.right - rect.left;
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minH = rect.bottom - rect.top;
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rect.left = 0, rect.top = 0, rect.right = maxW, rect.bottom = maxH;
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AdjustWindowRect(&rect, style, false);
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maxW = rect.right - rect.left;
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maxH = rect.bottom - rect.top;
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minWidth = minW;
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maxWidth = maxW;
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minHeight = minH;
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maxHeight = maxH;
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}
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void FrameWindow::OnSizeChanged(int width, int height)
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{
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m_layout.Resize(m_hwnd, 0, 0, width, height);
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}
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