/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : FormClass *
* *
* $Archive:: /Commando/Code/Tools/max2w3d/FormClass.cpp $*
* *
* Author:: Greg Hjelstrom *
* *
* $Modtime:: 11/09/98 3:02a $*
* *
* $Revision:: 2 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* FormClass::Create_Form -- Loads the dialog template and initializes *
* FormClass::fnFormProc -- windows proc which thunks into the virtual Dialog_Proc *
* FormClass::ExecuteDlgInit -- Initializes controls in the dialog template *
* FormClass::ExecuteDlgInit -- Initializes the controls in the dialog template *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "FormClass.H"
#include "Dllmain.H"
// hard-coded resource id which VC special cases for MFC... >:-)
#define RT_DLGINIT MAKEINTRESOURCE(240)
/***********************************************************************************************
* FormClass::Create_Form -- Loads the dialog template and initializes *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 11/6/98 GTH : Created. *
*=============================================================================================*/
HWND
FormClass::Create_Form
(
HWND parent_wnd,
UINT template_id
)
{
// call PreCreateWindow to get prefered extended style
CREATESTRUCT cs = { 0 };
cs.style = WS_CHILD;
m_hWnd = ::CreateDialogParam( AppInstance,
MAKEINTRESOURCE (template_id),
parent_wnd,
fnFormProc,
(LPARAM)this);
assert(m_hWnd);
// Remove the caption from the dialog (if there was any)
::SetWindowLong (m_hWnd,
GWL_STYLE,
::GetWindowLong (m_hWnd, GWL_STYLE) & (~WS_CAPTION));
::GetWindowRect (m_hWnd, &m_FormRect);
ExecuteDlgInit(MAKEINTRESOURCE(template_id));
return m_hWnd;
}
/***********************************************************************************************
* FormClass::fnFormProc -- windows proc which thunks into the virtual Dialog_Proc *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 11/6/98 GTH : Created. *
*=============================================================================================*/
BOOL WINAPI
FormClass::fnFormProc
(
HWND dlg_wnd,
UINT message,
WPARAM wparam,
LPARAM lparam
)
{
FormClass *pform = (FormClass *)::GetProp (dlg_wnd, "FORMCLASS");
if (message == WM_INITDIALOG) {
pform = (FormClass *)lparam;
::SetProp (dlg_wnd, "FORMCLASS", (HANDLE)pform);
} else if (message == WM_DESTROY) {
::RemoveProp (dlg_wnd, "FORMCLASS");
}
BOOL retval = FALSE;
if (pform) {
retval = pform->Dialog_Proc (dlg_wnd, message, wparam, lparam);
}
return retval;
}
/***********************************************************************************************
* FormClass::ExecuteDlgInit -- Initializes controls in the dialog template *
* *
* This code was lifted straight out of MFC. It does some "interesting" things like putting *
* strings into combo boxes which are typed in the resource editor. *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 11/6/98 GTH : Created. *
*=============================================================================================*/
BOOL FormClass::ExecuteDlgInit(LPCTSTR lpszResourceName)
{
// find resource handle
LPVOID lpResource = NULL;
HGLOBAL hResource = NULL;
if (lpszResourceName != NULL)
{
HINSTANCE hInst = AppInstance;
HRSRC hDlgInit = ::FindResource(hInst, lpszResourceName, RT_DLGINIT);
if (hDlgInit != NULL)
{
// load it
hResource = LoadResource(hInst, hDlgInit);
if (hResource == NULL)
return FALSE;
// lock it
lpResource = LockResource(hResource);
assert(lpResource != NULL);
}
}
// execute it
BOOL bResult = ExecuteDlgInit(lpResource);
// cleanup
if (lpResource != NULL && hResource != NULL)
{
UnlockResource(hResource);
FreeResource(hResource);
}
return bResult;
}
/***********************************************************************************************
* FormClass::ExecuteDlgInit -- Initializes the controls in the dialog template *
* *
* As the above ExecuteDlgInit function, this was lifted from MFC... *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 11/6/98 GTH : Created. *
*=============================================================================================*/
BOOL FormClass::ExecuteDlgInit(LPVOID lpResource)
{
BOOL bSuccess = TRUE;
if (lpResource != NULL)
{
UNALIGNED WORD* lpnRes = (WORD*)lpResource;
while (bSuccess && *lpnRes != 0)
{
WORD nIDC = *lpnRes++;
WORD nMsg = *lpnRes++;
DWORD dwLen = *((UNALIGNED DWORD*&)lpnRes)++;
// In Win32 the WM_ messages have changed. They have
// to be translated from the 32-bit values to 16-bit
// values here.
#define WIN16_LB_ADDSTRING 0x0401
#define WIN16_CB_ADDSTRING 0x0403
if (nMsg == WIN16_LB_ADDSTRING)
nMsg = LB_ADDSTRING;
else if (nMsg == WIN16_CB_ADDSTRING)
nMsg = CB_ADDSTRING;
// check for invalid/unknown message types
assert(nMsg == LB_ADDSTRING || nMsg == CB_ADDSTRING);
if (nMsg == LB_ADDSTRING || nMsg == CB_ADDSTRING)
{
// List/Combobox returns -1 for error
if (::SendDlgItemMessageA(m_hWnd, nIDC, nMsg, 0, (LONG)lpnRes) == -1)
bSuccess = FALSE;
}
// skip past data
lpnRes = (WORD*)((LPBYTE)lpnRes + (UINT)dwLen);
}
}
return bSuccess;
}