rufus/src/stdlg.c

/*
 * Rufus: The Reliable USB Formatting Utility
 * Standard Dialog Routines (Browse for folder, About, etc)
 * Copyright © 2011-2019 Pete Batard <pete@akeo.ie>
 *
 * 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/>.
 */

/* Memory leaks detection - define _CRTDBG_MAP_ALLOC as preprocessor macro */
#ifdef _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#endif

#include <windows.h>
#include <windowsx.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <shlobj.h>
#include <commdlg.h>
#include <richedit.h>
#include <assert.h>

#include "rufus.h"
#include "missing.h"
#include "resource.h"
#include "msapi_utf8.h"
#include "localization.h"
#include "ui.h"

#include "registry.h"
#include "settings.h"
#include "license.h"

/* Globals */
extern BOOL is_x86_32, enable_fido;
static HICON hMessageIcon = (HICON)INVALID_HANDLE_VALUE;
static char* szMessageText = NULL;
static char* szMessageTitle = NULL;
static char **szDialogItem;
static int nDialogItems;
static HWND hBrowseEdit, hUpdatesDlg;
static WNDPROC pOrgBrowseWndproc;
static const SETTEXTEX friggin_microsoft_unicode_amateurs = {ST_DEFAULT, CP_UTF8};
static BOOL notification_is_question;
static const notification_info* notification_more_info;
static const char* notification_dont_display_setting;
static WNDPROC update_original_proc = NULL;
static HWINEVENTHOOK ap_weh = NULL;
static char title_str[3][128], button_str[128];
HWND hFidoDlg = NULL;
BOOL close_fido_cookie_prompts = FALSE;

static int update_settings_reposition_ids[] = {
	IDC_POLICY,
	IDS_UPDATE_SETTINGS_GRP,
	IDS_UPDATE_FREQUENCY_TXT,
	IDS_INCLUDE_BETAS_TXT,
	IDC_UPDATE_FREQUENCY,
	IDC_INCLUDE_BETAS,
	IDS_CHECK_NOW_GRP,
	IDC_CHECK_NOW,
	IDCANCEL,
};

/*
 * https://blogs.msdn.microsoft.com/oldnewthing/20040802-00/?p=38283/
 */
void SetDialogFocus(HWND hDlg, HWND hCtrl)
{
	SendMessage(hDlg, WM_NEXTDLGCTL, (WPARAM)hCtrl, TRUE);
}

/*
 * We need a sub-callback to read the content of the edit box on exit and update
 * our path, else if what the user typed does match the selection, it is discarded.
 * Talk about a convoluted way of producing an intuitive folder selection dialog
 */
INT CALLBACK BrowseDlgCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch(message) {
	case WM_DESTROY:
		GetWindowTextU(hBrowseEdit, szFolderPath, sizeof(szFolderPath));
		break;
	}
	return (INT)CallWindowProc(pOrgBrowseWndproc, hDlg, message, wParam, lParam);
}

/*
 * Main BrowseInfo callback to set the initial directory and populate the edit control
 */
INT CALLBACK BrowseInfoCallback(HWND hDlg, UINT message, LPARAM lParam, LPARAM pData)
{
	char dir[MAX_PATH];
	wchar_t* wpath;
	LPITEMIDLIST pidl;

	switch(message) {
	case BFFM_INITIALIZED:
		pOrgBrowseWndproc = (WNDPROC)SetWindowLongPtr(hDlg, GWLP_WNDPROC, (LONG_PTR)BrowseDlgCallback);
		// Windows hides the full path in the edit box by default, which is bull.
		// Get a handle to the edit control to fix that
		hBrowseEdit = FindWindowExA(hDlg, NULL, "Edit", NULL);
		SetWindowTextU(hBrowseEdit, szFolderPath);
		SetDialogFocus(hDlg, hBrowseEdit);
		// On Windows 7, MinGW only properly selects the specified folder when using a pidl
		wpath = utf8_to_wchar(szFolderPath);
		pidl = SHSimpleIDListFromPath(wpath);
		safe_free(wpath);
		// NB: see http://connect.microsoft.com/VisualStudio/feedback/details/518103/bffm-setselection-does-not-work-with-shbrowseforfolder-on-windows-7
		// for details as to why we send BFFM_SETSELECTION twice.
		SendMessageW(hDlg, BFFM_SETSELECTION, (WPARAM)FALSE, (LPARAM)pidl);
		Sleep(100);
		PostMessageW(hDlg, BFFM_SETSELECTION, (WPARAM)FALSE, (LPARAM)pidl);
		break;
	case BFFM_SELCHANGED:
		// Update the status
		if (SHGetPathFromIDListU((LPITEMIDLIST)lParam, dir)) {
			SendMessageLU(hDlg, BFFM_SETSTATUSTEXT, 0, dir);
			SetWindowTextU(hBrowseEdit, dir);
		}
		break;
	}
	return 0;
}

/*
 * Browse for a folder and update the folder edit box
 */
void BrowseForFolder(void) {

	BROWSEINFOW bi;
	LPITEMIDLIST pidl;
	WCHAR *wpath;
	size_t i;
	HRESULT hr;
	IShellItem *psi = NULL;
	IShellItem *si_path = NULL;	// Automatically freed
	IFileOpenDialog *pfod = NULL;
	WCHAR *fname;
	char* tmp_path = NULL;

	dialog_showing++;
	hr = CoCreateInstance(&CLSID_FileOpenDialog, NULL, CLSCTX_INPROC,
		&IID_IFileOpenDialog, (LPVOID)&pfod);
	if (FAILED(hr)) {
		uprintf("CoCreateInstance for FileOpenDialog failed: error %X\n", hr);
		pfod = NULL;	// Just in case
		goto fallback;
	}
	hr = IFileOpenDialog_SetOptions(pfod, FOS_PICKFOLDERS);
	if (FAILED(hr)) {
		uprintf("Failed to set folder option for FileOpenDialog: error %X\n", hr);
		goto fallback;
	}
	// Set the initial folder (if the path is invalid, will simply use last)
	wpath = utf8_to_wchar(szFolderPath);
	// The new IFileOpenDialog makes us split the path
	fname = NULL;
	if ((wpath != NULL) && (wcslen(wpath) >= 1)) {
		for (i = wcslen(wpath) - 1; i != 0; i--) {
			if (wpath[i] == L'\\') {
				wpath[i] = 0;
				fname = &wpath[i + 1];
				break;
			}
		}
	}

	hr = SHCreateItemFromParsingName(wpath, NULL, &IID_IShellItem, (LPVOID)&si_path);
	if (SUCCEEDED(hr)) {
		if (wpath != NULL) {
			IFileOpenDialog_SetFolder(pfod, si_path);
		}
		if (fname != NULL) {
			IFileOpenDialog_SetFileName(pfod, fname);
		}
	}
	safe_free(wpath);

	hr = IFileOpenDialog_Show(pfod, hMainDialog);
	if (SUCCEEDED(hr)) {
		hr = IFileOpenDialog_GetResult(pfod, &psi);
		if (SUCCEEDED(hr)) {
			IShellItem_GetDisplayName(psi, SIGDN_FILESYSPATH, &wpath);
			tmp_path = wchar_to_utf8(wpath);
			CoTaskMemFree(wpath);
			if (tmp_path == NULL) {
				uprintf("Could not convert path\n");
			} else {
				static_strcpy(szFolderPath, tmp_path);
				safe_free(tmp_path);
			}
		} else {
			uprintf("Failed to set folder option for FileOpenDialog: error %X\n", hr);
		}
	} else if ((hr & 0xFFFF) != ERROR_CANCELLED) {
		// If it's not a user cancel, assume the dialog didn't show and fallback
		uprintf("Could not show FileOpenDialog: error %X\n", hr);
		goto fallback;
	}
	IFileOpenDialog_Release(pfod);
	dialog_showing--;
	return;
fallback:
	if (pfod != NULL) {
		IFileOpenDialog_Release(pfod);
	}

	memset(&bi, 0, sizeof(BROWSEINFOW));
	bi.hwndOwner = hMainDialog;
	bi.lpszTitle = utf8_to_wchar(lmprintf(MSG_106));
	bi.lpfn = BrowseInfoCallback;
	// BIF_NONEWFOLDERBUTTON = 0x00000200 is unknown on MinGW
	bi.ulFlags = BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS |
		BIF_DONTGOBELOWDOMAIN | BIF_EDITBOX | 0x00000200;
	pidl = SHBrowseForFolderW(&bi);
	if (pidl != NULL) {
		CoTaskMemFree(pidl);
	}
	safe_free(bi.lpszTitle);
	dialog_showing--;
}

/*
 * Return the UTF8 path of a file selected through a load or save dialog
 * All string parameters are UTF-8
 * IMPORTANT NOTE: Remember that you need to call CoInitializeEx() for
 * *EACH* thread you invoke FileDialog from, as GetDisplayName() will
 * return error 0x8001010E otherwise.
 */
char* FileDialog(BOOL save, char* path, const ext_t* ext, DWORD options)
{
	DWORD tmp;
	OPENFILENAMEA ofn;
	char selected_name[MAX_PATH];
	char *ext_string = NULL, *all_files = NULL;
	size_t i, j, ext_strlen;
	BOOL r;
	char* filepath = NULL;
	HRESULT hr = FALSE;
	IFileDialog *pfd = NULL;
	IShellItem *psiResult;
	COMDLG_FILTERSPEC* filter_spec = NULL;
	wchar_t *wpath = NULL, *wfilename = NULL;
	IShellItem *si_path = NULL;	// Automatically freed

	if ((ext == NULL) || (ext->count == 0) || (ext->extension == NULL) || (ext->description == NULL))
		return NULL;
	dialog_showing++;

	filter_spec = (COMDLG_FILTERSPEC*)calloc(ext->count + 1, sizeof(COMDLG_FILTERSPEC));
	if (filter_spec != NULL) {
		// Setup the file extension filter table
		for (i = 0; i < ext->count; i++) {
			filter_spec[i].pszSpec = utf8_to_wchar(ext->extension[i]);
			filter_spec[i].pszName = utf8_to_wchar(ext->description[i]);
		}
		filter_spec[i].pszSpec = L"*.*";
		filter_spec[i].pszName = utf8_to_wchar(lmprintf(MSG_107));

		hr = CoCreateInstance(save ? &CLSID_FileSaveDialog : &CLSID_FileOpenDialog, NULL, CLSCTX_INPROC,
			&IID_IFileDialog, (LPVOID)&pfd);

		if (FAILED(hr)) {
			SetLastError(hr);
			uprintf("CoCreateInstance for FileOpenDialog failed: %s\n", WindowsErrorString());
			pfd = NULL;	// Just in case
			goto fallback;
		}

		// Set the file extension filters
		IFileDialog_SetFileTypes(pfd, (UINT)ext->count + 1, filter_spec);

		if (path == NULL) {
			// Try to use the "Downloads" folder as the initial default directory
			const GUID download_dir_guid =
				{ 0x374de290, 0x123f, 0x4565, { 0x91, 0x64, 0x39, 0xc4, 0x92, 0x5e, 0x46, 0x7b } };
			hr = SHGetKnownFolderPath(&download_dir_guid, 0, 0, &wpath);
			if (SUCCEEDED(hr)) {
				hr = SHCreateItemFromParsingName(wpath, NULL, &IID_IShellItem, (LPVOID)&si_path);
				if (SUCCEEDED(hr)) {
					IFileDialog_SetDefaultFolder(pfd, si_path);
				}
				CoTaskMemFree(wpath);
			}
		} else {
			wpath = utf8_to_wchar(path);
			hr = SHCreateItemFromParsingName(wpath, NULL, &IID_IShellItem, (LPVOID)&si_path);
			if (SUCCEEDED(hr)) {
				IFileDialog_SetFolder(pfd, si_path);
			}
			safe_free(wpath);
		}

		// Set the default filename
		wfilename = utf8_to_wchar((ext->filename == NULL) ? "" : ext->filename);
		if (wfilename != NULL) {
			IFileDialog_SetFileName(pfd, wfilename);
		}

		// Display the dialog
		hr = IFileDialog_Show(pfd, hMainDialog);

		// Cleanup
		safe_free(wfilename);
		for (i = 0; i < ext->count; i++) {
			safe_free(filter_spec[i].pszSpec);
			safe_free(filter_spec[i].pszName);
		}
		safe_free(filter_spec[i].pszName);
		safe_free(filter_spec);

		if (SUCCEEDED(hr)) {
			// Obtain the result of the user's interaction with the dialog.
			hr = IFileDialog_GetResult(pfd, &psiResult);
			if (SUCCEEDED(hr)) {
				hr = IShellItem_GetDisplayName(psiResult, SIGDN_FILESYSPATH, &wpath);
				if (SUCCEEDED(hr)) {
					filepath = wchar_to_utf8(wpath);
					CoTaskMemFree(wpath);
				} else {
					SetLastError(hr);
					uprintf("Unable to access file path: %s\n", WindowsErrorString());
				}
				IShellItem_Release(psiResult);
			}
		} else if ((hr & 0xFFFF) != ERROR_CANCELLED) {
			// If it's not a user cancel, assume the dialog didn't show and fallback
			SetLastError(hr);
			uprintf("Could not show FileOpenDialog: %s\n", WindowsErrorString());
			goto fallback;
		}
		IFileDialog_Release(pfd);
		dialog_showing--;
		return filepath;
	}

fallback:
	safe_free(filter_spec);
	if (pfd != NULL) {
		IFileDialog_Release(pfd);
	}

	memset(&ofn, 0, sizeof(ofn));
	ofn.lStructSize = sizeof(ofn);
	ofn.hwndOwner = hMainDialog;
	// Selected File name
	static_sprintf(selected_name, "%s", (ext->filename == NULL)?"":ext->filename);
	ofn.lpstrFile = selected_name;
	ofn.nMaxFile = MAX_PATH;
	// Set the file extension filters
	all_files = lmprintf(MSG_107);
	ext_strlen = 0;
	for (i=0; i<ext->count; i++) {
		ext_strlen += safe_strlen(ext->description[i]) + 2*safe_strlen(ext->extension[i]) + sizeof(" ()\r\r");
	}
	ext_strlen += safe_strlen(all_files) + sizeof(" (*.*)\r*.*\r");
	ext_string = (char*)malloc(ext_strlen+1);
	if (ext_string == NULL)
		return NULL;
	ext_string[0] = 0;
	for (i=0, j=0; i<ext->count; i++) {
		j += _snprintf(&ext_string[j], ext_strlen-j, "%s (%s)\r%s\r", ext->description[i], ext->extension[i], ext->extension[i]);
	}
	j = _snprintf(&ext_string[j], ext_strlen-j, "%s (*.*)\r*.*\r", all_files);
	// Microsoft could really have picked a better delimiter!
	for (i=0; i<ext_strlen; i++) {
// Since the VS Code Analysis tool is dumb...
#if defined(_MSC_VER)
#pragma warning(suppress: 6385)
#endif
		if (ext_string[i] == '\r') {
#if defined(_MSC_VER)
#pragma warning(suppress: 6386)
#endif
			ext_string[i] = 0;
		}
	}
	ofn.lpstrFilter = ext_string;
	ofn.nFilterIndex = 1;
	ofn.lpstrInitialDir = path;
	ofn.Flags = OFN_OVERWRITEPROMPT | options;
	// Show Dialog
	if (save) {
		r = GetSaveFileNameU(&ofn);
	} else {
		r = GetOpenFileNameU(&ofn);
	}
	if (r) {
		filepath = safe_strdup(selected_name);
	} else {
		tmp = CommDlgExtendedError();
		if (tmp != 0) {
			uprintf("Could not select file for %s. Error %X\n", save?"save":"open", tmp);
		}
	}
	safe_free(ext_string);
	dialog_showing--;
	return filepath;
}

/*
 * Create the application status bar
 */
void CreateStatusBar(void)
{
	RECT rect;
	int edge[2];
	HFONT hFont;

	// Create the status bar
	hStatus = CreateWindowEx(0, STATUSCLASSNAME, NULL, WS_CHILD | WS_VISIBLE | SBARS_TOOLTIPS,
		CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hMainDialog,
		(HMENU)IDC_STATUS, hMainInstance, NULL);

	// Create 2 status areas
	GetClientRect(hMainDialog, &rect);
	edge[0] = rect.right - (int)(SB_TIMER_SECTION_SIZE * fScale);
	edge[1] = rect.right;
	SendMessage(hStatus, SB_SETPARTS, (WPARAM)ARRAYSIZE(edge), (LPARAM)&edge);

	// Set the font
	hFont = CreateFontA(-MulDiv(9, GetDeviceCaps(GetDC(hMainDialog), LOGPIXELSY), 72),
		0, 0, 0, FW_MEDIUM, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
		0, 0, PROOF_QUALITY, 0, "Segoe UI");
	SendMessage(hStatus, WM_SETFONT, (WPARAM)hFont, TRUE);
}

/*
 * Center a dialog with regards to the main application Window or the desktop
 * See https://docs.microsoft.com/en-gb/windows/desktop/dlgbox/using-dialog-boxes#initializing-a-dialog-box
 */
void CenterDialog(HWND hDlg, HWND hParent)
{
	RECT rc, rcDlg, rcParent;

	if (hParent == NULL)
		hParent = GetParent(hDlg);
	if (hParent == NULL)
		hParent = GetDesktopWindow();

	GetWindowRect(hParent, &rcParent);
	GetWindowRect(hDlg, &rcDlg);
	CopyRect(&rc, &rcParent);

	// Offset the parent and dialog box rectangles so that right and bottom
	// values represent the width and height, and then offset the parent again
	// to discard space taken up by the dialog box.
	OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
	OffsetRect(&rc, -rc.left, -rc.top);
	OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);

	SetWindowPos(hDlg, HWND_TOP, rcParent.left + (rc.right / 2), rcParent.top + (rc.bottom / 2) - 25, 0, 0, SWP_NOSIZE);
}

// http://stackoverflow.com/questions/431470/window-border-width-and-height-in-win32-how-do-i-get-it
SIZE GetBorderSize(HWND hDlg)
{
	RECT rect = {0, 0, 0, 0};
	SIZE size = {0, 0};
	WINDOWINFO wi;
	wi.cbSize = sizeof(WINDOWINFO);

	GetWindowInfo(hDlg, &wi);

	AdjustWindowRectEx(&rect, wi.dwStyle, FALSE, wi.dwExStyle);
	size.cx = rect.right - rect.left;
	size.cy = rect.bottom - rect.top;
	return size;
}

void ResizeMoveCtrl(HWND hDlg, HWND hCtrl, int dx, int dy, int dw, int dh, float scale)
{
	RECT rect;
	POINT point;
	SIZE border;

	GetWindowRect(hCtrl, &rect);
	point.x = (right_to_left_mode && (hDlg != hCtrl))?rect.right:rect.left;
	point.y = rect.top;
	if (hDlg != hCtrl)
		ScreenToClient(hDlg, &point);
	GetClientRect(hCtrl, &rect);

	// If the control has any borders (dialog, edit box), take them into account
	border = GetBorderSize(hCtrl);
	MoveWindow(hCtrl, point.x + (int)(scale*(float)dx), point.y + (int)(scale*(float)dy),
		(rect.right - rect.left) + (int)(scale*(float)dw + border.cx),
		(rect.bottom - rect.top) + (int)(scale*(float)dh + border.cy), TRUE);
	// Don't be tempted to call InvalidateRect() here - it causes intempestive whole screen refreshes
}

void ResizeButtonHeight(HWND hDlg, int id)
{
	HWND hCtrl, hPrevCtrl;
	RECT rc;
	int dy = 0;

	hCtrl = GetDlgItem(hDlg, id);
	GetWindowRect(hCtrl, &rc);
	MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
	if (rc.bottom - rc.top < bh)
		dy = (bh - (rc.bottom - rc.top)) / 2;
	hPrevCtrl = GetNextWindow(hCtrl, GW_HWNDPREV);
	SetWindowPos(hCtrl, hPrevCtrl, rc.left, rc.top - dy, rc.right - rc.left, bh, 0);
}

/*
 * License callback
 */
INT_PTR CALLBACK LicenseCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	LONG_PTR style;
	HWND hLicense;
	switch (message) {
	case WM_INITDIALOG:
		hLicense = GetDlgItem(hDlg, IDC_LICENSE_TEXT);
		apply_localization(IDD_LICENSE, hDlg);
		CenterDialog(hDlg, NULL);
		ResizeButtonHeight(hDlg, IDCANCEL);
		// Suppress any inherited RTL flags
		style = GetWindowLongPtr(hLicense, GWL_EXSTYLE);
		style &= ~(WS_EX_RTLREADING | WS_EX_RIGHT | WS_EX_LEFTSCROLLBAR);
		SetWindowLongPtr(hLicense, GWL_EXSTYLE, style);
		style = GetWindowLongPtr(hLicense, GWL_STYLE);
		style &= ~(ES_RIGHT);
		SetWindowLongPtr(hLicense, GWL_STYLE, style);
		SetDlgItemTextA(hDlg, IDC_LICENSE_TEXT, gplv3);
		break;
	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDOK:
		case IDCANCEL:
			reset_localization(IDD_LICENSE);
			EndDialog(hDlg, LOWORD(wParam));
			return (INT_PTR)TRUE;
		}
	}
	return (INT_PTR)FALSE;
}

/*
 * About dialog callback
 */
INT_PTR CALLBACK AboutCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	int i, dy;
	const int edit_id[2] = {IDC_ABOUT_BLURB, IDC_ABOUT_COPYRIGHTS};
	char about_blurb[2048];
	const char* edit_text[2] = {about_blurb, additional_copyrights};
	HWND hEdit[2], hCtrl;
	TEXTRANGEW tr;
	ENLINK* enl;
	RECT rc;
	REQRESIZE* rsz;
	wchar_t wUrl[256];
	static BOOL resized_already = TRUE;

	switch (message) {
	case WM_INITDIALOG:
		resized_already = FALSE;
		// Execute dialog localization
		apply_localization(IDD_ABOUTBOX, hDlg);
		SetTitleBarIcon(hDlg);
		CenterDialog(hDlg, NULL);
		// Resize the 'License' button
		hCtrl = GetDlgItem(hDlg, IDC_ABOUT_LICENSE);
		GetWindowRect(hCtrl, &rc);
		MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
		dy = 0;
		if (rc.bottom - rc.top < bh)
			dy = (bh - (rc.bottom - rc.top)) / 2;
		SetWindowPos(hCtrl, NULL, rc.left, rc.top - dy,
			max(rc.right - rc.left, GetTextSize(hCtrl, NULL).cx + cbw), bh, SWP_NOZORDER);
		ResizeButtonHeight(hDlg, IDOK);
		static_sprintf(about_blurb, about_blurb_format, lmprintf(MSG_174|MSG_RTF),
			lmprintf(MSG_175|MSG_RTF, rufus_version[0], rufus_version[1], rufus_version[2]),
			"Copyright © 2011-2019 Pete Batard / Akeo",
			lmprintf(MSG_176|MSG_RTF), lmprintf(MSG_177|MSG_RTF), lmprintf(MSG_178|MSG_RTF));
		for (i=0; i<ARRAYSIZE(hEdit); i++) {
			hEdit[i] = GetDlgItem(hDlg, edit_id[i]);
			SendMessage(hEdit[i], EM_AUTOURLDETECT, 1, 0);
			/* Can't use SetDlgItemText, because it only works with RichEdit20A... and VS insists
			 * on reverting to RichEdit20W as soon as you edit the dialog. You can try all the W
			 * methods you want, it JUST WON'T WORK unless you use EM_SETTEXTEX. Also see:
			 * http://blog.kowalczyk.info/article/eny/Setting-unicode-rtf-text-in-rich-edit-control.html */
			SendMessageA(hEdit[i], EM_SETTEXTEX, (WPARAM)&friggin_microsoft_unicode_amateurs, (LPARAM)edit_text[i]);
			SendMessage(hEdit[i], EM_SETSEL, -1, -1);
			SendMessage(hEdit[i], EM_SETEVENTMASK, 0, ENM_LINK|((i==0)?ENM_REQUESTRESIZE:0));
			SendMessage(hEdit[i], EM_SETBKGNDCOLOR, 0, (LPARAM)GetSysColor(COLOR_BTNFACE));
		}
		// Need to send an explicit SetSel to avoid being positioned at the end of richedit control when tabstop is used
		SendMessage(hEdit[1], EM_SETSEL, 0, 0);
		SendMessage(hEdit[0], EM_REQUESTRESIZE, 0, 0);
		break;
	case WM_NOTIFY:
		switch (((LPNMHDR)lParam)->code) {
		case EN_REQUESTRESIZE:
			if (!resized_already) {
				resized_already = TRUE;
				GetWindowRect(GetDlgItem(hDlg, edit_id[0]), &rc);
				dy = rc.bottom - rc.top;
				rsz = (REQRESIZE *)lParam;
				dy -= rsz->rc.bottom - rsz->rc.top;
				ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, edit_id[0]), 0, 0, 0, -dy, 1.0f);
				ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, edit_id[1]), 0, -dy, 0, dy, 1.0f);
			}
			break;
		case EN_LINK:
			enl = (ENLINK*) lParam;
			if (enl->msg == WM_LBUTTONUP) {
				tr.lpstrText = wUrl;
				tr.chrg.cpMin = enl->chrg.cpMin;
				tr.chrg.cpMax = enl->chrg.cpMax;
				SendMessageW(enl->nmhdr.hwndFrom, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
				wUrl[ARRAYSIZE(wUrl)-1] = 0;
				ShellExecuteW(hDlg, L"open", wUrl, NULL, NULL, SW_SHOWNORMAL);
			}
			break;
		}
		break;
	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDOK:
		case IDCANCEL:
			reset_localization(IDD_ABOUTBOX);
			EndDialog(hDlg, LOWORD(wParam));
			return (INT_PTR)TRUE;
		case IDC_ABOUT_LICENSE:
			MyDialogBox(hMainInstance, IDD_LICENSE, hDlg, LicenseCallback);
			break;
		}
		break;
	}
	return (INT_PTR)FALSE;
}

INT_PTR CreateAboutBox(void)
{
	INT_PTR r;
	dialog_showing++;
	r = MyDialogBox(hMainInstance, IDD_ABOUTBOX, hMainDialog, AboutCallback);
	dialog_showing--;
	return r;
}

/*
 * We use our own MessageBox for notifications to have greater control (center, no close button, etc)
 */
INT_PTR CALLBACK NotificationCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	LRESULT loc;
	int i, dh, cbh = 0;
	// Prevent resizing
	static LRESULT disabled[9] = { HTLEFT, HTRIGHT, HTTOP, HTBOTTOM, HTSIZE,
		HTTOPLEFT, HTTOPRIGHT, HTBOTTOMLEFT, HTBOTTOMRIGHT };
	static HBRUSH background_brush, separator_brush, buttonface_brush;
	// To use the system message font
	NONCLIENTMETRICS ncm;
	HFONT hDlgFont;
	HWND hCtrl;
	RECT rc;
	HDC hDC;

	switch (message) {
	case WM_INITDIALOG:
		// Get the system message box font. See http://stackoverflow.com/a/6057761
		ncm.cbSize = sizeof(ncm);
		// If we're compiling with the Vista SDK or later, the NONCLIENTMETRICS struct
		// will be the wrong size for previous versions, so we need to adjust it.
#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (_WIN32_WINNT >= _WIN32_WINNT_VISTA)
		ncm.cbSize -= sizeof(ncm.iPaddedBorderWidth);
#endif
		SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
		hDlgFont = CreateFontIndirect(&(ncm.lfMessageFont));
		// Set the dialog to use the system message box font
		SendMessage(hDlg, WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDC_NOTIFICATION_TEXT), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDC_MORE_INFO), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDYES), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDNO), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		if (bh != 0) {
			ResizeButtonHeight(hDlg, IDC_MORE_INFO);
			ResizeButtonHeight(hDlg, IDYES);
			ResizeButtonHeight(hDlg, IDNO);
		}

		apply_localization(IDD_NOTIFICATION, hDlg);
		background_brush = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
		separator_brush = CreateSolidBrush(GetSysColor(COLOR_3DLIGHT));
		buttonface_brush = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
		SetTitleBarIcon(hDlg);
		CenterDialog(hDlg, NULL);
		// Change the default icon
		if (Static_SetIcon(GetDlgItem(hDlg, IDC_NOTIFICATION_ICON), hMessageIcon) == 0) {
			uprintf("Could not set dialog icon\n");
		}
		// Set the dialog title
		if (szMessageTitle != NULL) {
			SetWindowTextU(hDlg, szMessageTitle);
		}
		// Enable/disable the buttons and set text
		if (!notification_is_question) {
			SetWindowTextU(GetDlgItem(hDlg, IDNO), lmprintf(MSG_006));
		} else {
			ShowWindow(GetDlgItem(hDlg, IDYES), SW_SHOW);
		}
		hCtrl = GetDlgItem(hDlg, IDC_DONT_DISPLAY_AGAIN);
		if (notification_dont_display_setting != NULL) {
			SetWindowTextU(hCtrl, lmprintf(MSG_127));
		} else {
			// Remove the "Don't display again" checkbox
			ShowWindow(hCtrl, SW_HIDE);
			GetWindowRect(hCtrl, &rc);
			MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
			cbh = rc.bottom - rc.top;
		}
		if ((notification_more_info != NULL) && (notification_more_info->callback != NULL)) {
			hCtrl = GetDlgItem(hDlg, IDC_MORE_INFO);
			// Resize the 'More information' button
			GetWindowRect(hCtrl, &rc);
			MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
			SetWindowPos(hCtrl, NULL, rc.left, rc.top,
				max(rc.right - rc.left, GetTextSize(hCtrl, NULL).cx + cbw), rc.bottom - rc.top, SWP_NOZORDER);
			ShowWindow(hCtrl, SW_SHOW);
		}
		// Set the control text and resize the dialog if needed
		if (szMessageText != NULL) {
			hCtrl = GetDlgItem(hDlg, IDC_NOTIFICATION_TEXT);
			SetWindowTextU(hCtrl, szMessageText);
			hDC = GetDC(hCtrl);
			SelectFont(hDC, hDlgFont);	// Yes, you *MUST* reapply the font to the DC, even after SetWindowText!
			GetWindowRect(hCtrl, &rc);
			dh = rc.bottom - rc.top;
			DrawTextU(hDC, szMessageText, -1, &rc, DT_CALCRECT | DT_WORDBREAK);
			dh = max(rc.bottom - rc.top - dh + (int)(8.0f * fScale), 0);
			safe_release_dc(hCtrl, hDC);
			ResizeMoveCtrl(hDlg, hCtrl, 0, 0, 0, dh, 1.0f);
			ResizeMoveCtrl(hDlg, hDlg, 0, 0, 0, dh - cbh, 1.0f);
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, -1), 0, 0, 0, dh, 1.0f);	// IDC_STATIC = -1
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_SELECTION_LINE), 0, dh, 0, 0, 1.0f);
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_DONT_DISPLAY_AGAIN), 0, dh, 0, 0, 1.0f);
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_MORE_INFO), 0, dh - cbh, 0, 0, 1.0f);
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDYES), 0, dh -cbh, 0, 0, 1.0f);
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDNO), 0, dh -cbh, 0, 0, 1.0f);
		}
		return (INT_PTR)TRUE;
	case WM_CTLCOLORSTATIC:
		// Change the background colour for static text and icon
		SetBkMode((HDC)wParam, TRANSPARENT);
		if ((HWND)lParam == GetDlgItem(hDlg, IDC_NOTIFICATION_LINE)) {
			return (INT_PTR)separator_brush;
		}
		if ((HWND)lParam == GetDlgItem(hDlg, IDC_DONT_DISPLAY_AGAIN)) {
			return (INT_PTR)buttonface_brush;
		}
		return (INT_PTR)background_brush;
	case WM_NCHITTEST:
		// Check coordinates to prevent resize actions
		loc = DefWindowProc(hDlg, message, wParam, lParam);
		for(i = 0; i < 9; i++) {
			if (loc == disabled[i]) {
				return (INT_PTR)TRUE;
			}
		}
		return (INT_PTR)FALSE;
	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDOK:
		case IDCANCEL:
		case IDYES:
		case IDNO:
			if (IsDlgButtonChecked(hDlg, IDC_DONT_DISPLAY_AGAIN) == BST_CHECKED) {
				WriteSettingBool(SETTING_DISABLE_SECURE_BOOT_NOTICE, TRUE);
			}
			EndDialog(hDlg, LOWORD(wParam));
			return (INT_PTR)TRUE;
		case IDC_MORE_INFO:
			assert(notification_more_info->callback != NULL);
			if (notification_more_info != NULL) {
				if (notification_more_info->id == MORE_INFO_URL) {
					ShellExecuteA(hDlg, "open", notification_more_info->url, NULL, NULL, SW_SHOWNORMAL);
				} else {
					MyDialogBox(hMainInstance, notification_more_info->id, hDlg, notification_more_info->callback);
				}
			}
			break;
		}
		break;
	}
	return (INT_PTR)FALSE;
}

/*
 * Display a custom notification
 */
BOOL Notification(int type, const char* dont_display_setting, const notification_info* more_info,  char* title, char* format, ...)
{
	BOOL ret;
	va_list args;
	const int max_msg_size = 1024;

	dialog_showing++;
	szMessageText = (char*)malloc(max_msg_size);
	if (szMessageText == NULL)
		return FALSE;
	szMessageTitle = safe_strdup(title);
	if (szMessageTitle == NULL)
		return FALSE;
	va_start(args, format);
	safe_vsnprintf(szMessageText, max_msg_size -1, format, args);
	va_end(args);
	szMessageText[max_msg_size -1] = 0;
	notification_more_info = more_info;
	notification_is_question = FALSE;
	notification_dont_display_setting = dont_display_setting;

	switch(type) {
	case MSG_WARNING_QUESTION:
		notification_is_question = TRUE;
		// Fall through
	case MSG_WARNING:
		hMessageIcon = LoadIcon(NULL, IDI_WARNING);
		break;
	case MSG_ERROR:
		hMessageIcon = LoadIcon(NULL, IDI_ERROR);
		break;
	case MSG_QUESTION:
		hMessageIcon = LoadIcon(NULL, IDI_QUESTION);
		notification_is_question = TRUE;
		break;
	case MSG_INFO:
	default:
		hMessageIcon = LoadIcon(NULL, IDI_INFORMATION);
		break;
	}
	ret = (MyDialogBox(hMainInstance, IDD_NOTIFICATION, hMainDialog, NotificationCallback) == IDYES);
	safe_free(szMessageText);
	safe_free(szMessageTitle);
	dialog_showing--;
	return ret;
}

/*
 * Custom dialog for radio button selection dialog
 */
INT_PTR CALLBACK SelectionCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	LRESULT loc;
	int i, dh, r  = -1;
	// Prevent resizing
	static LRESULT disabled[9] = { HTLEFT, HTRIGHT, HTTOP, HTBOTTOM, HTSIZE,
		HTTOPLEFT, HTTOPRIGHT, HTBOTTOMLEFT, HTBOTTOMRIGHT };
	static HBRUSH background_brush, separator_brush;
	// To use the system message font
	NONCLIENTMETRICS ncm;
	RECT rc, rc2;
	HFONT hDlgFont;
	HWND hCtrl;
	HDC hDC;

	switch (message) {
	case WM_INITDIALOG:
		// Don't overflow our max radio button
		if (nDialogItems > (IDC_SELECTION_CHOICEMAX - IDC_SELECTION_CHOICE1 + 1)) {
			uprintf("Warning: Too many options requested for Selection (%d vs %d)",
				nDialogItems, IDC_SELECTION_CHOICEMAX - IDC_SELECTION_CHOICE1);
			nDialogItems = IDC_SELECTION_CHOICEMAX - IDC_SELECTION_CHOICE1;
		}
		// Get the system message box font. See http://stackoverflow.com/a/6057761
		ncm.cbSize = sizeof(ncm);
		SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
		hDlgFont = CreateFontIndirect(&(ncm.lfMessageFont));
		// Set the dialog to use the system message box font
		SendMessage(hDlg, WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDC_SELECTION_TEXT), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		for (i = 0; i < nDialogItems; i++)
			SendMessage(GetDlgItem(hDlg, IDC_SELECTION_CHOICE1 + i), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDYES), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDNO), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));

		apply_localization(IDD_SELECTION, hDlg);
		background_brush = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
		separator_brush = CreateSolidBrush(GetSysColor(COLOR_3DLIGHT));
		SetTitleBarIcon(hDlg);
		CenterDialog(hDlg, NULL);
		// Change the default icon and set the text
		Static_SetIcon(GetDlgItem(hDlg, IDC_SELECTION_ICON), LoadIcon(NULL, IDI_QUESTION));
		SetWindowTextU(hDlg, szMessageTitle);
		SetWindowTextU(GetDlgItem(hDlg, IDCANCEL), lmprintf(MSG_007));
		SetWindowTextU(GetDlgItem(hDlg, IDC_SELECTION_TEXT), szMessageText);
		for (i = 0; i < nDialogItems; i++) {
			SetWindowTextU(GetDlgItem(hDlg, IDC_SELECTION_CHOICE1 + i), szDialogItem[i]);
			ShowWindow(GetDlgItem(hDlg, IDC_SELECTION_CHOICE1 + i), SW_SHOW);
		}
		// Move/Resize the controls as needed to fit our text
		hCtrl = GetDlgItem(hDlg, IDC_SELECTION_TEXT);
		hDC = GetDC(hCtrl);
		SelectFont(hDC, hDlgFont);	// Yes, you *MUST* reapply the font to the DC, even after SetWindowText!
		GetWindowRect(hCtrl, &rc);
		dh = rc.bottom - rc.top;
		DrawTextU(hDC, szMessageText, -1, &rc, DT_CALCRECT | DT_WORDBREAK);
		dh = rc.bottom - rc.top - dh;
		safe_release_dc(hCtrl, hDC);
		ResizeMoveCtrl(hDlg, hCtrl, 0, 0, 0, dh, 1.0f);
		for (i = 0; i < nDialogItems; i++)
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_SELECTION_CHOICE1 + i), 0, dh, 0, 0, 1.0f);
		if (nDialogItems > 2) {
			GetWindowRect(GetDlgItem(hDlg, IDC_SELECTION_CHOICE2), &rc);
			GetWindowRect(GetDlgItem(hDlg, IDC_SELECTION_CHOICE1 + nDialogItems - 1), &rc2);
			dh += rc2.top - rc.top;
		}
		ResizeMoveCtrl(hDlg, hDlg, 0, 0, 0, dh, 1.0f);
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, -1), 0, 0, 0, dh, 1.0f);	// IDC_STATIC = -1
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_SELECTION_LINE), 0, dh, 0, 0, 1.0f);
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDOK), 0, dh, 0, 0, 1.0f);
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDCANCEL), 0, dh, 0, 0, 1.0f);
		ResizeButtonHeight(hDlg, IDOK);
		ResizeButtonHeight(hDlg, IDCANCEL);

		// Set the radio selection
		Button_SetCheck(GetDlgItem(hDlg, IDC_SELECTION_CHOICE1), BST_CHECKED);
		Button_SetCheck(GetDlgItem(hDlg, IDC_SELECTION_CHOICE2), BST_UNCHECKED);
		return (INT_PTR)TRUE;
	case WM_CTLCOLORSTATIC:
		// Change the background colour for static text and icon
		SetBkMode((HDC)wParam, TRANSPARENT);
		if ((HWND)lParam == GetDlgItem(hDlg, IDC_NOTIFICATION_LINE)) {
			return (INT_PTR)separator_brush;
		}
		return (INT_PTR)background_brush;
	case WM_NCHITTEST:
		// Check coordinates to prevent resize actions
		loc = DefWindowProc(hDlg, message, wParam, lParam);
		for (i = 0; i < 9; i++) {
			if (loc == disabled[i]) {
				return (INT_PTR)TRUE;
			}
		}
		return (INT_PTR)FALSE;
	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDOK:
			for (i = 0; (i < nDialogItems) &&
				(Button_GetCheck(GetDlgItem(hDlg, IDC_SELECTION_CHOICE1 + i)) != BST_CHECKED); i++);
			if (i < nDialogItems)
				r = i + 1;
			// Fall through
		case IDNO:
		case IDCANCEL:
			EndDialog(hDlg, r);
			return (INT_PTR)TRUE;
		}
		break;
	}
	return (INT_PTR)FALSE;
}

/*
 * Display an item selection dialog
 */
int SelectionDialog(char* title, char* message, char** choices, int size)
{
	int ret;

	dialog_showing++;
	szMessageTitle = title;
	szMessageText = message;
	szDialogItem = choices;
	nDialogItems = size;
	ret = (int)MyDialogBox(hMainInstance, IDD_SELECTION, hMainDialog, SelectionCallback);
	dialog_showing--;

	return ret;
}

/*
 * Custom dialog for list dialog
 */
INT_PTR CALLBACK ListCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	LRESULT loc;
	int i, dh, r  = -1;
	// Prevent resizing
	static LRESULT disabled[9] = { HTLEFT, HTRIGHT, HTTOP, HTBOTTOM, HTSIZE,
		HTTOPLEFT, HTTOPRIGHT, HTBOTTOMLEFT, HTBOTTOMRIGHT };
	static HBRUSH background_brush, separator_brush;
	// To use the system message font
	NONCLIENTMETRICS ncm;
	RECT rc, rc2;
	HFONT hDlgFont;
	HWND hCtrl;
	HDC hDC;

	switch (message) {
	case WM_INITDIALOG:
		// Don't overflow our max radio button
		if (nDialogItems > (IDC_LIST_ITEMMAX - IDC_LIST_ITEM1 + 1)) {
			uprintf("Warning: Too many items requested for List (%d vs %d)",
				nDialogItems, IDC_LIST_ITEMMAX - IDC_LIST_ITEM1);
			nDialogItems = IDC_LIST_ITEMMAX - IDC_LIST_ITEM1;
		}
		// Get the system message box font. See http://stackoverflow.com/a/6057761
		ncm.cbSize = sizeof(ncm);
		SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
		hDlgFont = CreateFontIndirect(&(ncm.lfMessageFont));
		// Set the dialog to use the system message box font
		SendMessage(hDlg, WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDC_LIST_TEXT), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		for (i = 0; i < nDialogItems; i++)
			SendMessage(GetDlgItem(hDlg, IDC_LIST_ITEM1 + i), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDYES), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));
		SendMessage(GetDlgItem(hDlg, IDNO), WM_SETFONT, (WPARAM)hDlgFont, MAKELPARAM(TRUE, 0));

		apply_localization(IDD_LIST, hDlg);
		background_brush = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
		separator_brush = CreateSolidBrush(GetSysColor(COLOR_3DLIGHT));
		SetTitleBarIcon(hDlg);
		CenterDialog(hDlg, NULL);
		// Change the default icon and set the text
		Static_SetIcon(GetDlgItem(hDlg, IDC_LIST_ICON), LoadIcon(NULL, IDI_EXCLAMATION));
		SetWindowTextU(hDlg, szMessageTitle);
		SetWindowTextU(GetDlgItem(hDlg, IDCANCEL), lmprintf(MSG_007));
		SetWindowTextU(GetDlgItem(hDlg, IDC_LIST_TEXT), szMessageText);
		for (i = 0; i < nDialogItems; i++) {
			SetWindowTextU(GetDlgItem(hDlg, IDC_LIST_ITEM1 + i), szDialogItem[i]);
			ShowWindow(GetDlgItem(hDlg, IDC_LIST_ITEM1 + i), SW_SHOW);
		}
		// Move/Resize the controls as needed to fit our text
		hCtrl = GetDlgItem(hDlg, IDC_LIST_TEXT);
		hDC = GetDC(hCtrl);
		SelectFont(hDC, hDlgFont);	// Yes, you *MUST* reapply the font to the DC, even after SetWindowText!
		GetWindowRect(hCtrl, &rc);
		dh = rc.bottom - rc.top;
		DrawTextU(hDC, szMessageText, -1, &rc, DT_CALCRECT | DT_WORDBREAK);
		dh = rc.bottom - rc.top - dh;
		safe_release_dc(hCtrl, hDC);
		ResizeMoveCtrl(hDlg, hCtrl, 0, 0, 0, dh, 1.0f);
		for (i = 0; i < nDialogItems; i++)
			ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_LIST_ITEM1 + i), 0, dh, 0, 0, 1.0f);
		if (nDialogItems > 1) {
			GetWindowRect(GetDlgItem(hDlg, IDC_LIST_ITEM1), &rc);
			GetWindowRect(GetDlgItem(hDlg, IDC_LIST_ITEM1 + nDialogItems - 1), &rc2);
			dh += rc2.top - rc.top;
		}
		ResizeMoveCtrl(hDlg, hDlg, 0, 0, 0, dh, 1.0f);
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, -1), 0, 0, 0, dh, 1.0f);	// IDC_STATIC = -1
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDC_LIST_LINE), 0, dh, 0, 0, 1.0f);
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDOK), 0, dh, 0, 0, 1.0f);
		ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, IDCANCEL), 0, dh, 0, 0, 1.0f);
		ResizeButtonHeight(hDlg, IDOK);
		ResizeButtonHeight(hDlg, IDCANCEL);
		return (INT_PTR)TRUE;
	case WM_CTLCOLORSTATIC:
		// Change the background colour for static text and icon
		SetBkMode((HDC)wParam, TRANSPARENT);
		if ((HWND)lParam == GetDlgItem(hDlg, IDC_NOTIFICATION_LINE)) {
			return (INT_PTR)separator_brush;
		}
		return (INT_PTR)background_brush;
	case WM_NCHITTEST:
		// Check coordinates to prevent resize actions
		loc = DefWindowProc(hDlg, message, wParam, lParam);
		for (i = 0; i < 9; i++) {
			if (loc == disabled[i]) {
				return (INT_PTR)TRUE;
			}
		}
		return (INT_PTR)FALSE;
	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDOK:
		case IDNO:
		case IDCANCEL:
			EndDialog(hDlg, r);
			return (INT_PTR)TRUE;
		}
		break;
	}
	return (INT_PTR)FALSE;
}

/*
 * Display a dialog with a list of items
 */
void ListDialog(char* title, char* message, char** items, int size)
{
	dialog_showing++;
	szMessageTitle = title;
	szMessageText = message;
	szDialogItem = items;
	nDialogItems = size;
	MyDialogBox(hMainInstance, IDD_LIST, hMainDialog, ListCallback);
	dialog_showing--;
}

static struct {
	HWND hTip;		// Tooltip handle
	HWND hCtrl;		// Handle of the control the tooltip belongs to
	WNDPROC original_proc;
	LPWSTR wstring;
} ttlist[MAX_TOOLTIPS] = { {0} };

INT_PTR CALLBACK TooltipCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	LPNMTTDISPINFOW lpnmtdi;
	int i = MAX_TOOLTIPS;

	// Make sure we have an original proc
	for (i=0; i<MAX_TOOLTIPS; i++) {
		if (ttlist[i].hTip == hDlg) break;
	}
	if (i == MAX_TOOLTIPS)
		return (INT_PTR)FALSE;

	switch (message) {
	case WM_NOTIFY:
		switch (((LPNMHDR)lParam)->code) {
		case TTN_GETDISPINFOW:
			lpnmtdi = (LPNMTTDISPINFOW)lParam;
			lpnmtdi->lpszText = ttlist[i].wstring;
			// Don't ask me WHY we need to clear RTLREADING for RTL multiline text to look good
			lpnmtdi->uFlags &= ~TTF_RTLREADING;
			SendMessage(hDlg, TTM_SETMAXTIPWIDTH, 0, (LPARAM)(int)(150.0f * fScale));
			return (INT_PTR)TRUE;
		}
		break;
	}
#ifdef _DEBUG
	// comctl32 causes issues if the tooltips are not being manipulated from the same thread as their parent controls
	if (GetCurrentThreadId() != MainThreadId)
		uprintf("Warning: Tooltip callback is being called from wrong thread");
#endif
	return CallWindowProc(ttlist[i].original_proc, hDlg, message, wParam, lParam);
}

/*
 * Create a tooltip for the control passed as first parameter
 * duration sets the duration in ms. Use -1 for default
 * message is an UTF-8 string
 */
BOOL CreateTooltip(HWND hControl, const char* message, int duration)
{
	TOOLINFOW toolInfo = {0};
	int i;

	if ( (hControl == NULL) || (message == NULL) ) {
		return FALSE;
	}

	// Destroy existing tooltip if any
	DestroyTooltip(hControl);

	// Find an empty slot
	for (i=0; i<MAX_TOOLTIPS; i++) {
		if (ttlist[i].hTip == NULL) break;
	}
	if (i >= MAX_TOOLTIPS) {
		uprintf("Maximum number of tooltips reached (%d)\n", MAX_TOOLTIPS);
		return FALSE;
	}

	// Create the tooltip window
	ttlist[i].hTip = CreateWindowEx(right_to_left_mode ? WS_EX_LAYOUTRTL : 0,
		TOOLTIPS_CLASS, NULL, WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP,
		CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hMainDialog, NULL,
		hMainInstance, NULL);

	if (ttlist[i].hTip == NULL) {
		return FALSE;
	}
	ttlist[i].hCtrl = hControl;

	// Subclass the tooltip to handle multiline
	ttlist[i].original_proc = (WNDPROC)SetWindowLongPtr(ttlist[i].hTip, GWLP_WNDPROC, (LONG_PTR)TooltipCallback);

	// Set the string to display (can be multiline)
	ttlist[i].wstring = utf8_to_wchar(message);

	// Set tooltip duration (ms)
	PostMessage(ttlist[i].hTip, TTM_SETDELAYTIME, (WPARAM)TTDT_AUTOPOP, (LPARAM)duration);

	// Associate the tooltip to the control
	toolInfo.cbSize = sizeof(toolInfo);
	toolInfo.hwnd = ttlist[i].hTip;	// Set to the tooltip itself to ease up subclassing
	toolInfo.uFlags = TTF_IDISHWND | TTF_SUBCLASS | ((right_to_left_mode)?TTF_RTLREADING:0);
	// set TTF_NOTBUTTON and TTF_CENTERTIP if it isn't a button
	if (!(SendMessage(hControl, WM_GETDLGCODE, 0, 0) & DLGC_BUTTON))
		toolInfo.uFlags |= 0x80000000L | TTF_CENTERTIP;

	toolInfo.uId = (UINT_PTR)hControl;
	toolInfo.lpszText = LPSTR_TEXTCALLBACKW;
	SendMessageW(ttlist[i].hTip, TTM_ADDTOOLW, 0, (LPARAM)&toolInfo);

	return TRUE;
}

/* Destroy a tooltip. hCtrl = handle of the control the tooltip is associated with */
void DestroyTooltip(HWND hControl)
{
	int i;

	if (hControl == NULL) return;
	for (i=0; i<MAX_TOOLTIPS; i++) {
		if (ttlist[i].hCtrl == hControl) break;
	}
	if (i >= MAX_TOOLTIPS) return;
	DestroyWindow(ttlist[i].hTip);
	safe_free(ttlist[i].wstring);
	ttlist[i].original_proc = NULL;
	ttlist[i].hTip = NULL;
	ttlist[i].hCtrl = NULL;
}

void DestroyAllTooltips(void)
{
	int i, j;

	for (i=0, j=0; i<MAX_TOOLTIPS; i++) {
		if (ttlist[i].hTip == NULL) continue;
		j++;
		DestroyWindow(ttlist[i].hTip);
		safe_free(ttlist[i].wstring);
		ttlist[i].original_proc = NULL;
		ttlist[i].hTip = NULL;
		ttlist[i].hCtrl = NULL;
	}
}

/* Determine if a Windows is being displayed or not */
BOOL IsShown(HWND hDlg)
{
	WINDOWPLACEMENT placement = {0};
	placement.length = sizeof(WINDOWPLACEMENT);
	if (!GetWindowPlacement(hDlg, &placement))
		return FALSE;
	switch (placement.showCmd) {
	case SW_SHOWNORMAL:
	case SW_SHOWMAXIMIZED:
	case SW_SHOW:
	case SW_SHOWDEFAULT:
		return TRUE;
	default:
		return FALSE;
	}
}

/* Compute the width of a dropdown list entry */
LONG GetEntryWidth(HWND hDropDown, const char *entry)
{
	HDC hDC;
	HFONT hFont, hDefFont = NULL;
	SIZE size;

	hDC = GetDC(hDropDown);
	hFont = (HFONT)SendMessage(hDropDown, WM_GETFONT, 0, 0);
	if (hFont != NULL)
		hDefFont = (HFONT)SelectObject(hDC, hFont);

	if (!GetTextExtentPointU(hDC, entry, &size))
		size.cx = 0;

	if (hFont != NULL)
		SelectObject(hDC, hDefFont);

	safe_release_dc(hDropDown, hDC);
	return size.cx;
}

/*
 * Windows 7 taskbar icon handling (progress bar overlay, etc)
 */
static ITaskbarList3* ptbl = NULL;

// Create a taskbar icon progressbar
BOOL CreateTaskbarList(void)
{
	HRESULT hr;

	hr = CoCreateInstance(&CLSID_TaskbarList, NULL, CLSCTX_ALL, &IID_ITaskbarList3, (LPVOID)&ptbl);
	if (FAILED(hr)) {
		uprintf("CoCreateInstance for TaskbarList failed: error %X\n", hr);
		ptbl = NULL;
		return FALSE;
	}
	return TRUE;
}

BOOL SetTaskbarProgressState(TASKBAR_PROGRESS_FLAGS tbpFlags)
{
	if (ptbl == NULL)
		return FALSE;
	return !FAILED(ITaskbarList3_SetProgressState(ptbl, hMainDialog, tbpFlags));
}

BOOL SetTaskbarProgressValue(ULONGLONG ullCompleted, ULONGLONG ullTotal)
{
	if (ptbl == NULL)
		return FALSE;
	return !FAILED(ITaskbarList3_SetProgressValue(ptbl, hMainDialog, ullCompleted, ullTotal));
}

static void Reposition(HWND hDlg, int id, int dx, int dw)
{
	HWND hCtrl;
	RECT rc;

	hCtrl = GetDlgItem(hDlg, id);
	GetWindowRect(hCtrl, &rc);
	MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
	SetWindowPos(hCtrl, HWND_TOP, rc.left + dx, rc.top, rc.right - rc.left + dw, rc.bottom - rc.top, 0);
}

static void PositionControls(HWND hDlg)
{
	RECT rc;
	HWND hCtrl, hPrevCtrl;
	int i, ow, dw;	// original width, delta

	// Get the original size of the control
	GetWindowRect(GetDlgItem(hDlg, IDS_UPDATE_FREQUENCY_TXT), &rc);
	MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
	ow = rc.right - rc.left;
	dw = GetTextWidth(hDlg, IDS_UPDATE_FREQUENCY_TXT) - ow;
	dw = max(dw, GetTextWidth(hDlg, IDS_INCLUDE_BETAS_TXT) - ow);
	if (dw > 0) {
		GetWindowRect(hDlg, &rc);
		SetWindowPos(hDlg, NULL, -1, -1, rc.right - rc.left + dw, rc.bottom - rc.top, SWP_NOMOVE | SWP_NOZORDER);
		for (i = 0; i < ARRAYSIZE(update_settings_reposition_ids); i++)
			Reposition(hDlg, update_settings_reposition_ids[i], (i < 4) ? 0 : dw, (i >= 4) ? 0 : dw);
	}

	hCtrl = GetDlgItem(hDlg, IDC_UPDATE_FREQUENCY);
	GetWindowRect(hCtrl, &rc);
	MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
	ow = rc.right - rc.left;

	dw = GetTextSize(hCtrl, lmprintf(MSG_013)).cx;
	dw = max(dw, GetTextSize(hCtrl, lmprintf(MSG_030, lmprintf(MSG_014))).cx);
	dw = max(dw, GetTextSize(hCtrl, lmprintf(MSG_015)).cx);
	dw = max(dw, GetTextSize(hCtrl, lmprintf(MSG_016)).cx);
	dw = max(dw, GetTextSize(hCtrl, lmprintf(MSG_008)).cx);
	dw = max(dw, GetTextSize(hCtrl, lmprintf(MSG_009)).cx);
	dw -= ow - ddw;
	if (dw > 0) {
		GetWindowRect(hDlg, &rc);
		SetWindowPos(hDlg, NULL, -1, -1, rc.right - rc.left + dw, rc.bottom - rc.top, SWP_NOMOVE | SWP_NOZORDER);
		for (i = 0; i < ARRAYSIZE(update_settings_reposition_ids); i++) {
			if ((i >= 2) && (i <= 3))
				continue;
			Reposition(hDlg, update_settings_reposition_ids[i], (i < 6) ? 0 : dw, (i >= 6) ? 0 : dw);
		}
	}

	GetWindowRect(GetDlgItem(hDlg, IDC_CHECK_NOW), &rc);
	MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
	ow = rc.right - rc.left;
	dw = GetTextWidth(hDlg, IDC_CHECK_NOW) - ow + cbw;
	dw = max(dw, GetTextWidth(hDlg, IDCANCEL) - ow + cbw);
	if (dw > 0) {
		GetWindowRect(hDlg, &rc);
		SetWindowPos(hDlg, NULL, -1, -1, rc.right - rc.left + dw, rc.bottom - rc.top, SWP_NOMOVE | SWP_NOZORDER);
		for (i = 0; i < ARRAYSIZE(update_settings_reposition_ids); i++) {
			if ((i >= 1) && (i <= 5))
				continue;
			Reposition(hDlg, update_settings_reposition_ids[i], 0, dw);
		}
	}
	hCtrl = GetDlgItem(hDlg, IDC_CHECK_NOW);
	GetWindowRect(hCtrl, &rc);
	MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
	hPrevCtrl = GetNextWindow(hCtrl, GW_HWNDPREV);
	SetWindowPos(hCtrl, hPrevCtrl, rc.left, rc.top, rc.right - rc.left, ddbh, 0);
	hCtrl = GetDlgItem(hDlg, IDCANCEL);
	GetWindowRect(hCtrl, &rc);
	MapWindowPoints(NULL, hDlg, (POINT*)&rc, 2);
	hPrevCtrl = GetNextWindow(hCtrl, GW_HWNDPREV);
	SetWindowPos(hCtrl, hPrevCtrl, rc.left, rc.top, rc.right - rc.left, ddbh, 0);
}

/*
 * Update policy and settings dialog callback
 */
INT_PTR CALLBACK UpdateCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	int i, dy;
	RECT rect;
	REQRESIZE* rsz;
	HWND hPolicy;
	static HWND hFrequency, hBeta;
	int32_t freq;
	char update_policy_text[4096];
	static BOOL resized_already = TRUE;

	switch (message) {
	case WM_INITDIALOG:
		resized_already = FALSE;
		hUpdatesDlg = hDlg;
		apply_localization(IDD_UPDATE_POLICY, hDlg);
		PositionControls(hDlg);
		SetTitleBarIcon(hDlg);
		CenterDialog(hDlg, NULL);
		hFrequency = GetDlgItem(hDlg, IDC_UPDATE_FREQUENCY);
		hBeta = GetDlgItem(hDlg, IDC_INCLUDE_BETAS);
		IGNORE_RETVAL(ComboBox_SetItemData(hFrequency, ComboBox_AddStringU(hFrequency, lmprintf(MSG_013)), -1));
		IGNORE_RETVAL(ComboBox_SetItemData(hFrequency, ComboBox_AddStringU(hFrequency, lmprintf(MSG_030, lmprintf(MSG_014))), 86400));
		IGNORE_RETVAL(ComboBox_SetItemData(hFrequency, ComboBox_AddStringU(hFrequency, lmprintf(MSG_015)), 604800));
		IGNORE_RETVAL(ComboBox_SetItemData(hFrequency, ComboBox_AddStringU(hFrequency, lmprintf(MSG_016)), 2629800));
		freq = ReadSetting32(SETTING_UPDATE_INTERVAL);
		EnableWindow(GetDlgItem(hDlg, IDC_CHECK_NOW), (freq != 0));
		EnableWindow(hBeta, (freq >= 0) && is_x86_32);
		switch(freq) {
		case -1:
			IGNORE_RETVAL(ComboBox_SetCurSel(hFrequency, 0));
			break;
		case 0:
		case 86400:
			IGNORE_RETVAL(ComboBox_SetCurSel(hFrequency, 1));
			break;
		case 604800:
			IGNORE_RETVAL(ComboBox_SetCurSel(hFrequency, 2));
			break;
		case 2629800:
			IGNORE_RETVAL(ComboBox_SetCurSel(hFrequency, 3));
			break;
		default:
			IGNORE_RETVAL(ComboBox_SetItemData(hFrequency, ComboBox_AddStringU(hFrequency, lmprintf(MSG_017)), freq));
			IGNORE_RETVAL(ComboBox_SetCurSel(hFrequency, 4));
			break;
		}
		IGNORE_RETVAL(ComboBox_AddStringU(hBeta, lmprintf(MSG_008)));
		IGNORE_RETVAL(ComboBox_AddStringU(hBeta, lmprintf(MSG_009)));
		IGNORE_RETVAL(ComboBox_SetCurSel(hBeta, (ReadSettingBool(SETTING_INCLUDE_BETAS) && is_x86_32) ? 0 : 1));
		hPolicy = GetDlgItem(hDlg, IDC_POLICY);
		SendMessage(hPolicy, EM_AUTOURLDETECT, 1, 0);
		static_sprintf(update_policy_text, update_policy, lmprintf(MSG_179|MSG_RTF),
			lmprintf(MSG_180|MSG_RTF), lmprintf(MSG_181|MSG_RTF), lmprintf(MSG_182|MSG_RTF), lmprintf(MSG_183|MSG_RTF),
			lmprintf(MSG_184|MSG_RTF), lmprintf(MSG_185|MSG_RTF), lmprintf(MSG_186|MSG_RTF));
		SendMessageA(hPolicy, EM_SETTEXTEX, (WPARAM)&friggin_microsoft_unicode_amateurs, (LPARAM)update_policy_text);
		SendMessage(hPolicy, EM_SETSEL, -1, -1);
		SendMessage(hPolicy, EM_SETEVENTMASK, 0, ENM_LINK|ENM_REQUESTRESIZE);
		SendMessageA(hPolicy, EM_SETBKGNDCOLOR, 0, (LPARAM)GetSysColor(COLOR_BTNFACE));
		SendMessage(hPolicy, EM_REQUESTRESIZE, 0, 0);
		break;
	case WM_NOTIFY:
		if ((((LPNMHDR)lParam)->code == EN_REQUESTRESIZE) && (!resized_already)) {
			resized_already = TRUE;
			hPolicy = GetDlgItem(hDlg, IDC_POLICY);
			GetWindowRect(hPolicy, &rect);
			dy = rect.bottom - rect.top;
			rsz = (REQRESIZE *)lParam;
			dy -= rsz->rc.bottom - rsz->rc.top + 6;	// add the border
			ResizeMoveCtrl(hDlg, hDlg, 0, 0, 0, -dy, 1.0f);
			ResizeMoveCtrl(hDlg, hPolicy, 0, 0, 0, -dy, 1.0f);
			for (i = 1; i < ARRAYSIZE(update_settings_reposition_ids); i++)
				ResizeMoveCtrl(hDlg, GetDlgItem(hDlg, update_settings_reposition_ids[i]), 0, -dy, 0, 0, 1.0f);
		}
		break;
	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDCLOSE:
		case IDCANCEL:
			reset_localization(IDD_UPDATE_POLICY);
			EndDialog(hDlg, LOWORD(wParam));
			hUpdatesDlg = NULL;
			return (INT_PTR)TRUE;
		case IDC_CHECK_NOW:
			CheckForUpdates(TRUE);
			return (INT_PTR)TRUE;
		case IDC_UPDATE_FREQUENCY:
			if (HIWORD(wParam) != CBN_SELCHANGE)
				break;
			freq = (int32_t)ComboBox_GetItemData(hFrequency, ComboBox_GetCurSel(hFrequency));
			WriteSetting32(SETTING_UPDATE_INTERVAL, (DWORD)freq);
			EnableWindow(hBeta, (freq >= 0));
			return (INT_PTR)TRUE;
		case IDC_INCLUDE_BETAS:
			if (HIWORD(wParam) != CBN_SELCHANGE)
				break;
			WriteSettingBool(SETTING_INCLUDE_BETAS, ComboBox_GetCurSel(hBeta) == 0);
			return (INT_PTR)TRUE;
		}
		break;
	}
	return (INT_PTR)FALSE;
}

/*
 * Initial update check setup
 */
BOOL SetUpdateCheck(void)
{
	BOOL enable_updates;
	uint64_t commcheck = GetTickCount64();
	char filename[MAX_PATH] = "", exename[] = APPLICATION_NAME ".exe";
	size_t fn_len, exe_len;

	// Test if we can read and write settings. If not, forget it.
	WriteSetting64(SETTING_COMM_CHECK, commcheck);
	if (ReadSetting64(SETTING_COMM_CHECK) != commcheck)
		return FALSE;

	// If the update interval is not set, this is the first time we run so prompt the user
	if (ReadSetting32(SETTING_UPDATE_INTERVAL) == 0) {
		notification_info more_info;

		// Add a hack for people who'd prefer the app not to prompt about update settings on first run.
		// If the executable is called "rufus.exe", without version, we disable the prompt
		GetModuleFileNameU(NULL, filename, sizeof(filename));
		fn_len = safe_strlen(filename);
		exe_len = safe_strlen(exename);
#if !defined(_DEBUG)	// Don't allow disabling update prompt, unless it's a release
		if ((fn_len > exe_len) && (safe_stricmp(&filename[fn_len-exe_len], exename) == 0)) {
			uprintf("Short name used - Disabling initial update policy prompt\n");
			enable_updates = TRUE;
		} else {
#endif
			more_info.id = IDD_UPDATE_POLICY;
			more_info.callback = UpdateCallback;
			enable_updates = Notification(MSG_QUESTION, NULL, &more_info, lmprintf(MSG_004), lmprintf(MSG_005));
#if !defined(_DEBUG)
		}
#endif
		if (!enable_updates) {
			WriteSetting32(SETTING_UPDATE_INTERVAL, -1);
			return FALSE;
		}
		// If the user hasn't set the interval in the dialog, set to default
		if ( (ReadSetting32(SETTING_UPDATE_INTERVAL) == 0) ||
			 ((ReadSetting32(SETTING_UPDATE_INTERVAL) == -1) && enable_updates) )
			WriteSetting32(SETTING_UPDATE_INTERVAL, 86400);
	}
	// Also detect if we can use Fido, which depends on:
	// - Powershell being installed
	// - Update check being enabled
	// - URL for the script being reachable
	if (((ReadRegistryKey32(REGKEY_HKLM, "Microsoft\\PowerShell\\1\\Install") > 0) ||
		 (ReadRegistryKey32(REGKEY_HKLM, "Microsoft\\PowerShell\\3\\Install") > 0)) &&
		(ReadSetting32(SETTING_UPDATE_INTERVAL) > 0)) {
		char *loc = NULL;
		// Get the Fido URL from parsing a 'Fido.ver' on our server. This enables the use of different
		// Fido versions from different versions of Rufus, if needed, as opposed to always downloading
		// the latest release from GitHub, which may contain incompatible changes...
		uint64_t loc_len = DownloadToFileOrBuffer(RUFUS_URL "/Fido.ver", NULL, (BYTE**)&loc, NULL, FALSE);
		if ((loc_len != 0) && (loc_len < 4 * KB)) {
			loc_len++;	// DownloadToFileOrBuffer allocated an extra NUL character if needed
			fido_url = get_token_data_buffer(FIDO_VERSION, 1, loc, (size_t)loc_len);
			uprintf("Fido URL is %s", fido_url);
			enable_fido = IsDownloadable(fido_url);
		}
		safe_free(loc);
	}
	if (!enable_fido)
		uprintf("Note: ISO download feature will be disabled");
	return TRUE;
}

void CreateStaticFont(HDC hDC, HFONT* hFont, BOOL underlined)
{
	TEXTMETRIC tm;
	LOGFONT lf;

	if (*hFont != NULL)
		return;
	GetTextMetrics(hDC, &tm);
	lf.lfHeight = tm.tmHeight;
	lf.lfWidth = 0;
	lf.lfEscapement = 0;
	lf.lfOrientation = 0;
	lf.lfWeight = tm.tmWeight;
	lf.lfItalic = tm.tmItalic;
	lf.lfUnderline = underlined;
	lf.lfStrikeOut = tm.tmStruckOut;
	lf.lfCharSet = tm.tmCharSet;
	lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
	lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
	lf.lfQuality = DEFAULT_QUALITY;
	lf.lfPitchAndFamily = tm.tmPitchAndFamily;
	GetTextFace(hDC, LF_FACESIZE, lf.lfFaceName);
	*hFont = CreateFontIndirect(&lf);
}

/*
 * Work around the limitations of edit control, to display a hand cursor for hyperlinks
 * NB: The LTEXT control must have SS_NOTIFY attribute for this to work
 */
INT_PTR CALLBACK update_subclass_callback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
	case WM_SETCURSOR:
		if ((HWND)wParam == GetDlgItem(hDlg, IDC_WEBSITE)) {
			SetCursor(LoadCursor(NULL, IDC_HAND));
			return (INT_PTR)TRUE;
		}
		break;
	}
	return CallWindowProc(update_original_proc, hDlg, message, wParam, lParam);
}

/*
 * New version notification dialog
 */
INT_PTR CALLBACK NewVersionCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	char cmdline[] = APPLICATION_NAME " -w 150";
	static char* filepath = NULL;
	static int download_status = 0;
	static HFONT hyperlink_font = NULL;
	static HANDLE hThread = NULL;
	HWND hNotes;
	DWORD exit_code;
	STARTUPINFOA si;
	PROCESS_INFORMATION pi;
	EXT_DECL(dl_ext, NULL, __VA_GROUP__("*.exe"), __VA_GROUP__(lmprintf(MSG_037)));

	switch (message) {
	case WM_INITDIALOG:
		apply_localization(IDD_NEW_VERSION, hDlg);
		download_status = 0;
		SetTitleBarIcon(hDlg);
		CenterDialog(hDlg, NULL);
		// Subclass the callback so that we can change the cursor
		update_original_proc = (WNDPROC)SetWindowLongPtr(hDlg, GWLP_WNDPROC, (LONG_PTR)update_subclass_callback);
		hNotes = GetDlgItem(hDlg, IDC_RELEASE_NOTES);
		SendMessage(hNotes, EM_AUTOURLDETECT, 1, 0);
		SendMessageA(hNotes, EM_SETTEXTEX, (WPARAM)&friggin_microsoft_unicode_amateurs, (LPARAM)update.release_notes);
		SendMessage(hNotes, EM_SETSEL, -1, -1);
		SendMessage(hNotes, EM_SETEVENTMASK, 0, ENM_LINK);
		SetWindowTextU(GetDlgItem(hDlg, IDC_YOUR_VERSION), lmprintf(MSG_018,
			rufus_version[0], rufus_version[1], rufus_version[2]));
		SetWindowTextU(GetDlgItem(hDlg, IDC_LATEST_VERSION), lmprintf(MSG_019,
			update.version[0], update.version[1], update.version[2]));
		SetWindowTextU(GetDlgItem(hDlg, IDC_DOWNLOAD_URL), update.download_url);
		SendMessage(GetDlgItem(hDlg, IDC_PROGRESS), PBM_SETRANGE, 0, (MAX_PROGRESS<<16) & 0xFFFF0000);
		if (update.download_url == NULL)
			EnableWindow(GetDlgItem(hDlg, IDC_DOWNLOAD), FALSE);
		ResizeButtonHeight(hDlg, IDCANCEL);
		break;
	case WM_CTLCOLORSTATIC:
		if ((HWND)lParam != GetDlgItem(hDlg, IDC_WEBSITE))
			return FALSE;
		// Change the font for the hyperlink
		SetBkMode((HDC)wParam, TRANSPARENT);
		CreateStaticFont((HDC)wParam, &hyperlink_font, TRUE);
		SelectObject((HDC)wParam, hyperlink_font);
		SetTextColor((HDC)wParam, RGB(0,0,125));	// DARK_BLUE
		return (INT_PTR)CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDCLOSE:
		case IDCANCEL:
			if (download_status != 1) {
				reset_localization(IDD_NEW_VERSION);
				safe_free(filepath);
				EndDialog(hDlg, LOWORD(wParam));
			}
			return (INT_PTR)TRUE;
		case IDC_WEBSITE:
			ShellExecuteA(hDlg, "open", RUFUS_URL, NULL, NULL, SW_SHOWNORMAL);
			break;
		case IDC_DOWNLOAD:	// Also doubles as abort and launch function
			switch(download_status) {
			case 1:		// Abort
				FormatStatus = ERROR_SEVERITY_ERROR|FAC(FACILITY_STORAGE)|ERROR_CANCELLED;
				download_status = 0;
				hThread = NULL;
				break;
			case 2:		// Launch newer version and close this one
				if ((hThread == NULL) || (!GetExitCodeThread(hThread, &exit_code)) || (exit_code == 0)) {
					hThread = NULL;
					EnableWindow(GetDlgItem(hDlg, IDC_DOWNLOAD), FALSE);
					break;
				}

				hThread = NULL;
				Sleep(1000);	// Add a delay on account of antivirus scanners

				if (ValidateSignature(hDlg, filepath) != NO_ERROR) {
					// Unconditionally delete the download and disable the "Launch" control
					DeleteFileU(filepath);
					EnableWindow(GetDlgItem(hDlg, IDC_DOWNLOAD), FALSE);
					break;
				}

				memset(&si, 0, sizeof(si));
				memset(&pi, 0, sizeof(pi));
				si.cb = sizeof(si);
				if (!CreateProcessU(filepath, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi)) {
					PrintInfo(0, MSG_214);
					uprintf("Failed to launch new application: %s", WindowsErrorString());
				} else {
					PrintInfo(0, MSG_213);
					PostMessage(hDlg, WM_COMMAND, (WPARAM)IDCLOSE, 0);
					PostMessage(hMainDialog, WM_CLOSE, 0, 0);
				}
				break;
			default:	// Download
				if (update.download_url == NULL) {
					uprintf("Could not get download URL");
					break;
				}
				dl_ext.filename = PathFindFileNameU(update.download_url);
				filepath = FileDialog(TRUE, app_dir, &dl_ext, OFN_NOCHANGEDIR);
				if (filepath == NULL) {
					uprintf("Could not get save path");
					break;
				}
				// Opening the File Dialog will make us lose tabbing focus - set it back
				SendMessage(hDlg, WM_NEXTDLGCTL, (WPARAM)GetDlgItem(hDlg, IDC_DOWNLOAD), TRUE);
				hThread = DownloadSignedFileThreaded(update.download_url, filepath, hDlg, TRUE);
				break;
			}
			return (INT_PTR)TRUE;
		}
		break;
	case UM_PROGRESS_INIT:
		EnableWindow(GetDlgItem(hDlg, IDCANCEL), FALSE);
		SetWindowTextU(GetDlgItem(hDlg, IDC_DOWNLOAD), lmprintf(MSG_038));
		FormatStatus = 0;
		download_status = 1;
		return (INT_PTR)TRUE;
	case UM_PROGRESS_EXIT:
		EnableWindow(GetDlgItem(hDlg, IDCANCEL), TRUE);
		if (wParam != 0) {
			SetWindowTextU(GetDlgItem(hDlg, IDC_DOWNLOAD), lmprintf(MSG_039));
			download_status = 2;
		} else {
			SetWindowTextU(GetDlgItem(hDlg, IDC_DOWNLOAD), lmprintf(MSG_040));
			// Disable the download button if we found an invalid signature
			EnableWindow(GetDlgItem(hDlg, IDC_DOWNLOAD),
				FormatStatus != (ERROR_SEVERITY_ERROR | FAC(FACILITY_STORAGE) | APPERR(ERROR_BAD_SIGNATURE)));
			download_status = 0;
		}
		return (INT_PTR)TRUE;
	}
	return (INT_PTR)FALSE;
}

void DownloadNewVersion(void)
{
	MyDialogBox(hMainInstance, IDD_NEW_VERSION, hMainDialog, NewVersionCallback);
}

void SetTitleBarIcon(HWND hDlg)
{
	int i16, s16, s32;
	HICON hSmallIcon, hBigIcon;

	// High DPI scaling
	i16 = GetSystemMetrics(SM_CXSMICON);
	// Adjust icon size lookup
	s16 = i16;
	s32 = (int)(32.0f*fScale);
	if (s16 >= 54)
		s16 = 64;
	else if (s16 >= 40)
		s16 = 48;
	else if (s16 >= 28)
		s16 = 32;
	else if (s16 >= 20)
		s16 = 24;
	if (s32 >= 54)
		s32 = 64;
	else if (s32 >= 40)
		s32 = 48;
	else if (s32 >= 28)
		s32 = 32;
	else if (s32 >= 20)
		s32 = 24;

	// Create the title bar icon
	hSmallIcon = (HICON)LoadImage(hMainInstance, MAKEINTRESOURCE(IDI_ICON), IMAGE_ICON, s16, s16, 0);
	SendMessage (hDlg, WM_SETICON, ICON_SMALL, (LPARAM)hSmallIcon);
	hBigIcon = (HICON)LoadImage(hMainInstance, MAKEINTRESOURCE(IDI_ICON), IMAGE_ICON, s32, s32, 0);
	SendMessage (hDlg, WM_SETICON, ICON_BIG, (LPARAM)hBigIcon);
}

// Return the onscreen size of the text displayed by a control
SIZE GetTextSize(HWND hCtrl, char* txt)
{
	SIZE sz = {0, 0};
	HDC hDC;
	wchar_t *wstr = NULL;
	int len;
	HFONT hFont;

	// Compute the size of the text
	hDC = GetDC(hCtrl);
	if (hDC == NULL)
		goto out;
	hFont = (HFONT)SendMessageA(hCtrl, WM_GETFONT, 0, 0);
	if (hFont == NULL)
		goto out;
	SelectObject(hDC, hFont);
	if (txt == NULL) {
		len = GetWindowTextLengthW(hCtrl);
		if (len <= 0)
			goto out;
		wstr = calloc(len + 1, sizeof(wchar_t));
		if (wstr == NULL)
			goto out;
		if (GetWindowTextW(hCtrl, wstr, len + 1) > 0)
			GetTextExtentPoint32W(hDC, wstr, len, &sz);
	} else {
		wstr = utf8_to_wchar(txt);
		if (wstr != NULL)
			GetTextExtentPoint32W(hDC, wstr, (int)wcslen(wstr), &sz);
	}
out:
	safe_free(wstr);
	safe_release_dc(hCtrl, hDC);
	return sz;
}

/*
 * The following is used to work around dialog template limitations when switching from LTR to RTL
 * or switching the font. This avoids having to multiply similar templates in the RC.
 * TODO: Can we use http://stackoverflow.com/questions/6057239/which-font-is-the-default-for-mfc-dialog-controls?
  */

// Produce a dialog template from our RC, and update its RTL and Font settings dynamically
// See http://blogs.msdn.com/b/oldnewthing/archive/2004/06/21/163596.aspx as well as
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms645389.aspx for a description
// of the Dialog structure
LPCDLGTEMPLATE GetDialogTemplate(int Dialog_ID)
{
	int i;
	const char thai_id[] = "th-TH";
	size_t len;
	DWORD size;
	DWORD* dwBuf;
	WCHAR* wBuf;
	LPCDLGTEMPLATE rcTemplate = (LPCDLGTEMPLATE) GetResource(hMainInstance, MAKEINTRESOURCEA(Dialog_ID),
		_RT_DIALOG, get_name_from_id(Dialog_ID), &size, TRUE);

	if ((size == 0) || (rcTemplate == NULL)) {
		safe_free(rcTemplate);
		return NULL;
	}
	if (right_to_left_mode) {
		// Add the RTL styles into our RC copy, so that we don't have to multiply dialog definitions in the RC
		dwBuf = (DWORD*)rcTemplate;
		dwBuf[2] = WS_EX_APPWINDOW | WS_EX_LAYOUTRTL;
	}

	// All our dialogs are set to use 'Segoe UI Symbol' by default:
	// 1. So that we can replace the font name with 'Segoe UI'
	// 2. So that Thai displays properly on RTF controls as it won't work with regular
	// 'Segoe UI'... but Cyrillic won't work with 'Segoe UI Symbol'

	// If 'Segoe UI Symbol' is available, and we are using Thai, we're done here
	if (IsFontAvailable("Segoe UI Symbol") && (selected_locale != NULL)
		&& (safe_strcmp(selected_locale->txt[0], thai_id) == 0))
		return rcTemplate;

	// 'Segoe UI Symbol' cannot be used => Fall back to the best we have
	wBuf = (WCHAR*)rcTemplate;
	wBuf = &wBuf[14];	// Move to class name
	// Skip class name and title
	for (i = 0; i<2; i++) {
		if (*wBuf == 0xFFFF)
			wBuf = &wBuf[2];	// Ordinal
		else
			wBuf = &wBuf[wcslen(wBuf) + 1]; // String
	}
	// NB: to change the font size to 9, you can use
	// wBuf[0] = 0x0009;
	wBuf = &wBuf[3];
	// Make sure we are where we want to be and adjust the font
	if (wcscmp(L"Segoe UI Symbol", wBuf) == 0) {
		uintptr_t src, dst, start = (uintptr_t)rcTemplate;
		// We can't simply zero the characters we don't want, as the size of the font
		// string determines the next item lookup. So we must memmove the remaining of
		// our buffer. Oh, and those items are DWORD aligned.
		// 'Segoe UI Symbol' -> 'Segoe UI'
		wBuf[8] = 0;
		len = wcslen(wBuf);
		wBuf[len + 1] = 0;
		dst = (uintptr_t)&wBuf[len + 2];
		dst &= ~3;
		src = (uintptr_t)&wBuf[17];
		src &= ~3;
		memmove((void*)dst, (void*)src, size - (src - start));
	} else {
		uprintf("Could not locate font for %s!", get_name_from_id(Dialog_ID));
	}
	return rcTemplate;
}

HWND MyCreateDialog(HINSTANCE hInstance, int Dialog_ID, HWND hWndParent, DLGPROC lpDialogFunc)
{
	LPCDLGTEMPLATE rcTemplate = GetDialogTemplate(Dialog_ID);
	HWND hDlg = CreateDialogIndirect(hInstance, rcTemplate, hWndParent, lpDialogFunc);
	safe_free(rcTemplate);
	return hDlg;
}

INT_PTR MyDialogBox(HINSTANCE hInstance, int Dialog_ID, HWND hWndParent, DLGPROC lpDialogFunc)
{
	INT_PTR ret;
	LPCDLGTEMPLATE rcTemplate = GetDialogTemplate(Dialog_ID);

	// A DialogBox doesn't handle reduce/restore so it won't pass restore messages to the
	// main dialog if the main dialog was minimized. This can result in situations where the
	// user cannot restore the main window if a new dialog prompt was triggered while the
	// main dialog was reduced => Ensure the main dialog is visible before we display anything.
	ShowWindow(hMainDialog, SW_NORMAL);

	ret = DialogBoxIndirect(hMainInstance, rcTemplate, hWndParent, lpDialogFunc);
	safe_free(rcTemplate);
	return ret;
}

/*
 * The following function calls are used to automatically detect and close the native
 * Windows format prompt "You must format the disk in drive X:" as well as the cookies
 * alert being popped by Windows when running our Download script. To do that, we use
 * an event hook that gets triggered whenever a window is placed in the foreground.
 * In that hook, we look for a dialog that has style WS_POPUPWINDOW and has the relevant
 * title. However, in case of the Format prompt, because the title in itself is too
 * generic (the expectation is that it will be "Microsoft Windows") we also enumerate
 * all the child controls from that prompt, using another callback, until we find one
 * that contains the text we expect for the "Format disk" button.
 * Oh, and since all of these strings are localized, we must first pick them up from
 * the relevant mui's.
 */
static BOOL CALLBACK AlertPromptCallback(HWND hWnd, LPARAM lParam)
{
	char str[128];
	BOOL *found = (BOOL*)lParam;

	if (GetWindowTextU(hWnd, str, sizeof(str)) == 0)
		return TRUE;
	if (safe_strcmp(str, button_str) == 0)
		*found = TRUE;
	return TRUE;
}

static void CALLBACK AlertPromptHook(HWINEVENTHOOK hWinEventHook, DWORD Event, HWND hWnd, LONG idObject, LONG idChild, DWORD dwEventThread, DWORD dwmsEventTime)
{
	char str[128];
	BOOL found;

	if (Event == EVENT_SYSTEM_FOREGROUND) {
		if (GetWindowLongPtr(hWnd, GWL_STYLE) & WS_POPUPWINDOW) {
			str[0] = 0;
			GetWindowTextU(hWnd, str, sizeof(str));
			if (strcmp(str, title_str[0]) == 0) {
				found = FALSE;
				EnumChildWindows(hWnd, AlertPromptCallback, (LPARAM)&found);
				if (found) {
					SendMessage(hWnd, WM_COMMAND, (WPARAM)IDCANCEL, (LPARAM)0);
					uprintf("Closed Windows format prompt");
				}
			} else if (close_fido_cookie_prompts && strcmp(str, title_str[1]) == 0) {
				SendMessage(hWnd, WM_COMMAND, (WPARAM)IDCANCEL, (LPARAM)0);
			} else if ((strcmp(str, title_str[2]) == 0) && (hWnd != hFidoDlg)) {
				// A wild Fido dialog appeared! => Keep track of its handle and center it
				hFidoDlg = hWnd;
				CenterDialog(hWnd, hMainDialog);
			}
		}
	}
}

void SetAlertPromptMessages(void)
{
	HMODULE mui_lib;
	char mui_path[MAX_PATH];

	// Fetch the localized strings in the relevant MUI
	static_sprintf(mui_path, "%s\\%s\\shell32.dll.mui", system_dir, GetCurrentMUI());
	mui_lib = LoadLibraryU(mui_path);
	if (mui_lib != NULL) {
		// 4097 = "You need to format the disk in drive %c: before you can use it." (dialog text)
		// 4125 = "Microsoft Windows" (dialog title)
		// 4126 = "Format disk" (button)
		if (LoadStringU(mui_lib, 4125, title_str[0], sizeof(title_str[0])) <= 0) {
			static_strcpy(title_str[0], "Microsoft Windows");
			uprintf("Warning: Could not locate localized format prompt title string in '%s': %s", mui_path, WindowsErrorString());
		}
		if (LoadStringU(mui_lib, 4126, button_str, sizeof(button_str)) <= 0) {
			static_strcpy(button_str, "Format disk");
			uprintf("Warning: Could not locate localized format prompt button string in '%s': %s", mui_path, WindowsErrorString());
		}
		FreeLibrary(mui_lib);
	}
	static_sprintf(mui_path, "%s\\%s\\urlmon.dll.mui", system_dir, GetCurrentMUI());
	mui_lib = LoadLibraryU(mui_path);
	if (mui_lib != NULL) {
		// 2070 = "Windows Security Warning" (yes, that's what MS uses for a stupid cookie!)
		if (LoadStringU(mui_lib, 2070, title_str[1], sizeof(title_str[1])) <= 0) {
			static_strcpy(title_str[1], "Windows Security Warning");
			uprintf("Warning: Could not locate localized cookie prompt title string in '%s': %s", mui_path, WindowsErrorString());
		}
		FreeLibrary(mui_lib);
	}
	static_strcpy(title_str[2], lmprintf(MSG_149));
}

BOOL SetAlertPromptHook(void)
{
	if (ap_weh != NULL)
		return TRUE;	// No need to set again if active
	ap_weh = SetWinEventHook(EVENT_SYSTEM_FOREGROUND, EVENT_SYSTEM_FOREGROUND, NULL,
		AlertPromptHook, 0, 0, WINEVENT_OUTOFCONTEXT | WINEVENT_SKIPOWNPROCESS);
	return (ap_weh != NULL);
}

void ClrAlertPromptHook(void) {
	UnhookWinEvent(ap_weh);
	ap_weh = NULL;
}

void FlashTaskbar(HANDLE handle)
{
	FLASHWINFO pf;

	if (handle == NULL)
		return;
	pf.cbSize = sizeof(FLASHWINFO);
	pf.hwnd = handle;
	// Could also use FLASHW_ALL to flash the main dialog)
	pf.dwFlags = FLASHW_TIMER | FLASHW_TRAY;
	pf.uCount = 5;
	pf.dwTimeout = 75;
	FlashWindowEx(&pf);
}

// https://docs.microsoft.com/en-us/globalization/localizability/mirroring-in-win32
// Note: This function *destroys* the original icon
HICON CreateMirroredIcon(HICON hiconOrg)
{
	HDC hdcScreen, hdcBitmap, hdcMask = NULL;
	HBITMAP hbm, hbmMask, hbmOld, hbmOldMask;
	BITMAP bm;
	ICONINFO ii;
	HICON hicon = NULL;
	hdcBitmap = CreateCompatibleDC(NULL);
	if (hdcBitmap) {
		hdcMask = CreateCompatibleDC(NULL);
		if (hdcMask) {
			SetLayout(hdcBitmap, LAYOUT_RTL);
			SetLayout(hdcMask, LAYOUT_RTL);
		} else {
			DeleteDC(hdcBitmap);
			hdcBitmap = NULL;
		}
	}
	hdcScreen = GetDC(NULL);
	if (hdcScreen) {
		if (hdcBitmap && hdcMask) {
			if (hiconOrg) {
				if (GetIconInfo(hiconOrg, &ii) && GetObject(ii.hbmColor, sizeof(BITMAP), &bm)) {
					// Do the cleanup for the bitmaps.
					DeleteObject(ii.hbmMask);
					DeleteObject(ii.hbmColor);
					ii.hbmMask = ii.hbmColor = NULL;
					hbm = CreateCompatibleBitmap(hdcScreen, bm.bmWidth, bm.bmHeight);
					hbmMask = CreateBitmap(bm.bmWidth, bm.bmHeight, 1, 1, NULL);
					hbmOld = (HBITMAP)SelectObject(hdcBitmap, hbm);
					hbmOldMask = (HBITMAP)SelectObject(hdcMask, hbmMask);
					DrawIconEx(hdcBitmap, 0, 0, hiconOrg, bm.bmWidth, bm.bmHeight, 0, NULL, DI_IMAGE);
					DrawIconEx(hdcMask, 0, 0, hiconOrg, bm.bmWidth, bm.bmHeight, 0, NULL, DI_MASK);
					SelectObject(hdcBitmap, hbmOld);
					SelectObject(hdcMask, hbmOldMask);

					// Create the new mirrored icon and delete bitmaps
					ii.hbmMask = hbmMask;
					ii.hbmColor = hbm;
					hicon = CreateIconIndirect(&ii);
					DeleteObject(hbm);
					DeleteObject(hbmMask);
				}
			}
		}
		ReleaseDC(NULL, hdcScreen);
	}

	if (hdcBitmap)
		DeleteDC(hdcBitmap);
	if (hdcMask)
		DeleteDC(hdcMask);
	DestroyIcon(hiconOrg);
	return hicon;
}

#ifdef RUFUS_TEST
static __inline LPWORD lpwAlign(LPWORD addr)
{
	return (LPWORD)((((uintptr_t)addr) + 3) & (~3));
}

INT_PTR CALLBACK SelectionDynCallback(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	int r = -1;
	switch (message) {
	case WM_INITDIALOG:
		return (INT_PTR)TRUE;

	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDOK:
			r = 0;
		case IDCANCEL:
			EndDialog(hwndDlg, r);
			return (INT_PTR)TRUE;
		}
	}
	return FALSE;
}

int SelectionDyn(char* title, char* message, char** szChoice, int nChoices)
{
#define ID_RADIO  12345
	LPCWSTR lpwszTypeFace = L"MS Shell Dlg";
	LPDLGTEMPLATEA lpdt;
	LPDLGITEMTEMPLATEA lpdit;
	LPCWSTR lpwszCaption;
	LPWORD lpw;
	LPWSTR lpwsz;
	int i, ret, nchar;

	lpdt = (LPDLGTEMPLATE)calloc(512 + nChoices * 256, 1);

	// Set up a dialog window
	lpdt->style = WS_POPUP | WS_BORDER | WS_SYSMENU | WS_CAPTION | DS_MODALFRAME | DS_CENTER | DS_SHELLFONT;
	lpdt->cdit = 2 + nChoices;
	lpdt->x = 10;
	lpdt->y = 10;
	lpdt->cx = 300;
	lpdt->cy = 100;

	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms645394.aspx:
	// In a standard template for a dialog box, the DLGTEMPLATE structure is always immediately followed by
	// three variable-length arrays that specify the menu, class, and title for the dialog box.
	// When the DS_SETFONT style is specified, these arrays are also followed by a 16-bit value specifying
	// point size and another variable-length array specifying a typeface name. Each array consists of one
	// or more 16-bit elements. The menu, class, title, and font arrays must be aligned on WORD boundaries.
	lpw = (LPWORD)(&lpdt[1]);
	*lpw++ = 0;		// No menu
	*lpw++ = 0;		// Default dialog class
	lpwsz = (LPWSTR)lpw;
	nchar = MultiByteToWideChar(CP_UTF8, 0, title, -1, lpwsz, 50);
	lpw += nchar;

	// Set point size and typeface name if required
	if (lpdt->style & (DS_SETFONT | DS_SHELLFONT)) {
		*lpw++ = 8;
		for (lpwsz = (LPWSTR)lpw, lpwszCaption = lpwszTypeFace; (*lpwsz++ = *lpwszCaption++) != 0; );
		lpw = (LPWORD)lpwsz;
	}

	// Add an OK button
	lpw = lpwAlign(lpw);
	lpdit = (LPDLGITEMTEMPLATE)lpw;
	lpdit->style = WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON;
	lpdit->x = 10;
	lpdit->y = 70;
	lpdit->cx = 50;
	lpdit->cy = 14;
	lpdit->id = IDOK;

	lpw = (LPWORD)(&lpdit[1]);
	*lpw++ = 0xFFFF;
	*lpw++ = 0x0080;	// Button class

	lpwsz = (LPWSTR)lpw;
	nchar = MultiByteToWideChar(CP_UTF8, 0, "OK", -1, lpwsz, 50);
	lpw += nchar;
	*lpw++ = 0;		// No creation data

					// Add a Cancel button
	lpw = lpwAlign(lpw);
	lpdit = (LPDLGITEMTEMPLATE)lpw;
	lpdit->x = 90;
	lpdit->y = 70;
	lpdit->cx = 50;
	lpdit->cy = 14;
	lpdit->id = IDCANCEL;
	lpdit->style = WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON;

	lpw = (LPWORD)(&lpdit[1]);
	*lpw++ = 0xFFFF;
	*lpw++ = 0x0080;

	lpwsz = (LPWSTR)lpw;
	nchar = MultiByteToWideChar(CP_UTF8, 0, lmprintf(MSG_007), -1, lpwsz, 50);
	lpw += nchar;
	*lpw++ = 0;

	// Add radio buttons
	for (i = 0; i < nChoices; i++) {
		lpw = lpwAlign(lpw);
		lpdit = (LPDLGITEMTEMPLATE)lpw;
		lpdit->x = 10;
		lpdit->y = 10 + 15 * i;
		lpdit->cx = 40;
		lpdit->cy = 20;
		lpdit->id = ID_RADIO;
		lpdit->style = WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON | (i == 0 ? WS_GROUP : 0);

		lpw = (LPWORD)(&lpdit[1]);
		*lpw++ = 0xFFFF;
		*lpw++ = 0x0080;

		lpwsz = (LPWSTR)lpw;
		nchar = MultiByteToWideChar(CP_UTF8, 0, szChoice[i], -1, lpwsz, 150);
		lpw += nchar;
		*lpw++ = 0;
	}

	ret = (int)DialogBoxIndirect(hMainInstance, (LPDLGTEMPLATE)lpdt, hMainDialog, (DLGPROC)SelectionDynCallback);
	free(lpdt);
	return ret;
}
#endif