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o3de/Code/Tools/CryCommonTools/UI/EULADialog.cpp

133 lines
4.0 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
#include "StdAfx.h"
#include "EULADialog.h"
#include "Win32GUI.h"
#include "ModuleHelpers.h"
#include "Richedit.h"
#include <Windows.h>
EULADialog::EULADialog()
: m_frameWindow()
, m_cancelButton(_T("Cancel"), this, &EULADialog::CancelPressed)
, m_buttonSpacer(0, 0, 2000, 0)
, m_acceptButton(_T("Accept"), this, &EULADialog::AcceptPressed)
, m_buttonLayout(Layout::DirectionHorizontal)
, m_edit()
{
Win32GUI::Initialize();
m_buttonLayout.AddComponent(&m_buttonSpacer);
m_buttonLayout.AddComponent(&m_cancelButton);
m_buttonLayout.AddComponent(&m_acceptButton);
m_frameWindow.AddComponent(&m_edit);
m_frameWindow.AddComponent(&m_buttonLayout);
}
namespace
{
class EditStreamCallbackObject
{
public:
EditStreamCallbackObject(const char* data, int size)
: data(data)
, position(0)
, size(size) {}
static DWORD WINAPI EditStreamCallback(DWORD_PTR dwCookie, LPBYTE pbBuff, LONG cb, LONG* pcb)
{
return ((EditStreamCallbackObject*)dwCookie)->EditStreamCallback_Member(dwCookie, pbBuff, cb, pcb);
}
private:
DWORD EditStreamCallback_Member(DWORD_PTR dwCookie, LPBYTE pbBuff, LONG cb, LONG* pcb)
{
int bytesToRead = (std::min)(this->size - this->position, (int)cb);
std::memcpy(pbBuff, this->data + this->position, bytesToRead);
this->position += bytesToRead;
if (pcb)
{
*pcb = bytesToRead;
}
return 0;
}
const char* data;
int position;
int size;
};
}
EULADialog::UserResponse EULADialog::Run(int width, int height, TCHAR* resourceID)
{
m_frameWindow.Show(true, width, height);
// Attempt to load the resource.
HINSTANCE module = ModuleHelpers::GetCurrentModule(ModuleHelpers::CurrentModuleSpecifier_Library);
HRSRC resource = (resourceID ? FindResource(module, resourceID, RT_RCDATA) : 0);
int resourceLength = (resource ? SizeofResource(module, resource) : 0);
HGLOBAL resourceGlobal = (resource ? LoadResource(module, resource) : 0);
void* resourceData = (resourceGlobal ? LockResource(resourceGlobal) : 0);
// No need to unlock/delete data.
m_userResponse = UserResponseNone;
// Load the text.
if (resourceData && resourceLength > 0)
{
EditStreamCallbackObject callbackObject((const char*)resourceData, resourceLength);
EDITSTREAM editStream;
std::memset(&editStream, 0, sizeof(editStream));
editStream.dwCookie = (DWORD_PTR)&callbackObject;
editStream.pfnCallback = &EditStreamCallbackObject::EditStreamCallback;
SendMessage((HWND)m_edit.m_edit, EM_STREAMIN, SF_RTF, (LPARAM)&editStream);
}
MSG msg;
BOOL status;
bool waitingAcceptance = false;
while (m_userResponse == UserResponseNone && (status = GetMessage(&msg, HWND(0), UINT(0), UINT(0))) != 0)
{
if (status == -1)
{
break;
}
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
m_frameWindow.Show(false, 0, 0);
return m_userResponse;
}
void EULADialog::CancelPressed()
{
m_userResponse = UserResponseCancel;
}
void EULADialog::AcceptPressed()
{
m_userResponse = UserResponseAccept;
}
EULADialog::UserResponse EULADialog::Show(int width, int height, TCHAR* resourceID)
{
EULADialog dlg;
return dlg.Run(width, height, resourceID);
}