reactos/rosapps/templates/dialog/memdlg.c

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/*
* ReactOS Standard Dialog Application Template
*
* memdlg.c
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <tchar.h>
#include "trace.h"
extern HINSTANCE hInst;
#define ID_HELP 150
#define ID_TEXT 200
////////////////////////////////////////////////////////////////////////////////
LRESULT CALLBACK DialogWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
return 0;
}
LPWORD lpwAlign(LPWORD lpIn)
{
ULONG ul;
ul = (ULONG)lpIn;
ul += 3;
ul >>= 2;
ul <<= 2;
return (LPWORD)ul;
}
////////////////////////////////////////////////////////////////////////////////
// Create an in memory dialog resource and display.
// Note: this doesn't work
//
LRESULT CreateMemoryDialog(HINSTANCE hinst, HWND hwndOwner, LPSTR lpszMessage)
{
HGLOBAL hgbl;
LPDLGTEMPLATE lpdt;
LPDLGITEMTEMPLATE lpdit;
LPWORD lpw;
LPWSTR lpwsz;
LRESULT ret;
int nchar;
hgbl = GlobalAlloc(GMEM_ZEROINIT, 1024);
if (!hgbl)
return -1;
lpdt = (LPDLGTEMPLATE)GlobalLock(hgbl);
// Define a dialog box.
lpdt->style = WS_POPUP | WS_BORDER | WS_SYSMENU | DS_MODALFRAME | WS_CAPTION;
lpdt->cdit = 3; // number of controls
lpdt->x = 10; lpdt->y = 10;
lpdt->cx = 100; lpdt->cy = 100;
lpw = (LPWORD)(lpdt + 1);
*lpw++ = 0; // no menu
*lpw++ = 0; // predefined dialog box class (by default)
lpwsz = (LPWSTR)lpw;
nchar = 1 + MultiByteToWideChar(CP_ACP, 0, "My Dialog", -1, lpwsz, 50);
lpw += nchar;
//-----------------------
// Define an OK button.
//-----------------------
lpw = lpwAlign(lpw); // align DLGITEMTEMPLATE on DWORD boundary
lpdit = (LPDLGITEMTEMPLATE)lpw;
lpdit->x = 10; lpdit->y = 70;
lpdit->cx = 80; lpdit->cy = 20;
lpdit->id = IDOK; // OK button identifier
lpdit->style = WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON;
lpw = (LPWORD)(lpdit + 1);
*lpw++ = 0xFFFF;
*lpw++ = 0x0080; // button class
lpwsz = (LPWSTR)lpw;
nchar = 1 + MultiByteToWideChar(CP_ACP, 0, "OK", -1, lpwsz, 50);
lpw += nchar;
lpw = lpwAlign(lpw); // align creation data on DWORD boundary
*lpw++ = 0; // no creation data
//-----------------------
// Define a Help button.
//-----------------------
lpw = lpwAlign(lpw); // align DLGITEMTEMPLATE on DWORD boundary
lpdit = (LPDLGITEMTEMPLATE)lpw;
lpdit->x = 55; lpdit->y = 10;
lpdit->cx = 40; lpdit->cy = 20;
lpdit->id = ID_HELP; // Help button identifier
lpdit->style = WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON;
lpw = (LPWORD)(lpdit + 1);
*lpw++ = 0xFFFF;
*lpw++ = 0x0080; // button class atom
lpwsz = (LPWSTR)lpw;
nchar = 1 + MultiByteToWideChar(CP_ACP, 0, "Help", -1, lpwsz, 50);
lpw += nchar;
lpw = lpwAlign(lpw); // align creation data on DWORD boundary
*lpw++ = 0; // no creation data
//-----------------------
// Define a static text control.
//-----------------------
lpw = lpwAlign(lpw); // align DLGITEMTEMPLATE on DWORD boundary
lpdit = (LPDLGITEMTEMPLATE)lpw;
lpdit->x = 10; lpdit->y = 10;
lpdit->cx = 40; lpdit->cy = 20;
lpdit->id = ID_TEXT; // text identifier
lpdit->style = WS_CHILD | WS_VISIBLE | SS_LEFT;
lpw = (LPWORD)(lpdit + 1);
*lpw++ = 0xFFFF;
*lpw++ = 0x0082; // static class
for (lpwsz = (LPWSTR)lpw;
*lpwsz++ == (WCHAR)*lpszMessage++;
);
lpw = (LPWORD)lpwsz;
lpw = lpwAlign(lpw); // align creation data on DWORD boundary
*lpw++ = 0; // no creation data
GlobalUnlock(hgbl);
ret = DialogBoxIndirect(hinst, (LPDLGTEMPLATE)hgbl, hwndOwner, (DLGPROC)DialogWndProc);
if (ret == 0) {
TRACE(_T("DialogBoxIndirect() failed due to invalid handle to parent window: 0x%08X"), hwndOwner);
} else if (ret == -1) {
DWORD error = GetLastError();
TRACE(_T("DialogBoxIndirect() failed, GetLastError returned 0x%08X"), error);
}
GlobalFree(hgbl);
return ret;
}
////////////////////////////////////////////////////////////////////////////////