SysTools
/*
Windows desktop icon position save
(c) SysTools 2015
Binary safe, Unicode aware.
Tested on:
- Windows 98 SE
- Windows XP SP3
But should work anywhere before Windows Vista.
Usage:
saveicon.exe - save current desktop icons to the "#.ini" file
saveicon.exe #.ini - load desktop icons position from "#.ini" file
(you can drag'n'drop any of the "#.ini" files to the program icon)
where # - day of week (1 - Monday, ..., 7 - Sunday)
Put the shortcut for this tool to the autorun folder so you can have your
desktop icons saved every day. Also you can run this tool manually.
*/
#include <windows.h>
#include <commctrl.h>
#ifdef TINYFILE
#include "tinyfile.h"
#endif
// for GCC 3.2 (old headers)
#ifndef LVM_SETEXTENDEDLISTVIEWSTYLE
#define LVM_SETEXTENDEDLISTVIEWSTYLE (LVM_FIRST + 54)
#endif
#ifndef LVM_GETEXTENDEDLISTVIEWSTYLE
#define LVM_GETEXTENDEDLISTVIEWSTYLE (LVM_FIRST + 55)
#endif
#ifndef LVS_EX_SNAPTOGRID
#define LVS_EX_SNAPTOGRID 0x00080000
#endif
static TCHAR Desktop[] = TEXT("Desktop");
void SaveLoadDesktopItemsPosition(TCHAR *loadfile) {
TCHAR filename[MAX_PATH], buf[MAX_PATH];
SYSTEMTIME t;
LV_ITEM lvi;
POINT pt;
HWND lv;
DWORD dw;
BYTE *p;
HANDLE h, m;
int i, cnt, l;
// first of all find desktop window
lv = FindWindow(TEXT("Progman"), NULL);
// Progman -> SHELLDLL_DefView -> SysListView32
for (i = 0; i < 2; i++) {
if (lv) {
lv = FindWindowEx(lv, 0, NULL, NULL);
}
}
// found desktop ListView
if (lv) {
dw = 0;
GetWindowThreadProcessId(lv, &dw);
// process id found
if (dw) {
h = OpenProcess(PROCESS_VM_READ | PROCESS_VM_WRITE | PROCESS_VM_OPERATION, FALSE, dw);
// can open process
if (h) {
// sizeof LV_ITEM
dw = sizeof(lvi);
SetLastError(0);
// allocate memory in the process
l = dw + (MAX_PATH * sizeof(TCHAR));
p = VirtualAllocEx(h, NULL, l, MEM_COMMIT, PAGE_READWRITE);
// PATCH: Windows 98
m = 0;
if ((!p) && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)) {
/*
https://groups.google.com/d/topic/microsoft.public.win32.programmer.kernel/y1QT3OTeMIs
If I recall correctly, memory mapped files are visible to all processes on 9x.
If my recollection is correct you might be able to take advantage of that.
Another "feature" of Win9x is that you can VirtualAlloc memory above the 2G mark
in one process and it will be visible at the same address in all processes.
---
http://www.osronline.com/showThread.cfm?link=15846
Use CreateFileMapping() / MapViewOfFile() - it will allocate memory in the
range 0x80000000 - 0xB0000000, which is shared between all of the applications
(use PageReserve/PageCommit to do this in the driver).
*/
m = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE | SEC_COMMIT, 0, l, NULL);
// mapping ok?
if (m) {
p = (BYTE *) MapViewOfFile(m, FILE_MAP_WRITE, 0, 0, 0);
// view bad?
if (!p) {
CloseHandle(m);
}
}
}
// memory allocated
if (p) {
// init internal structs on process memory
ZeroMemory(&lvi, dw);
lvi.cchTextMax = MAX_PATH;
lvi.pszText = (TCHAR *) &p[dw];
WriteProcessMemory(h, p, &lvi, dw, NULL);
if (loadfile) {
// if file to load specified
GetFullPathName(loadfile, MAX_PATH, filename, NULL);
// turn off auto arrange
dw = GetWindowLong(lv, GWL_STYLE);
if ((dw & LVS_AUTOARRANGE) == LVS_AUTOARRANGE) {
if (!m) {
SetWindowLong(lv, GWL_STYLE, dw ^ LVS_AUTOARRANGE);
} else {
/*
PATCH: Windows 98 don't allow to change window attributes directly,
but this can be emulated by using certain command id from popup menu;
also note that this message must be sent to the parent window
*/
SendMessage(GetParent(lv), WM_COMMAND, 0x7041, 0);
}
dw = 1;
} else {
dw = 0;
}
// turn off snap to grid
l = SendMessage(lv, LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0);
if (l & LVS_EX_SNAPTOGRID) {
SendMessage(lv, LVM_SETEXTENDEDLISTVIEWSTYLE, LVS_EX_SNAPTOGRID, 0);
dw |= 2;
}
} else {
// file to load not specified - save to file
l = 0;
// find executable path
GetModuleFileName(NULL, filename, MAX_PATH);
for (i = 0; filename[i]; i++) {
if (filename[i] == TEXT('\\')) {
l = i + 1;
}
}
// add ini filename
lstrcpyn(&filename[l], TEXT("0.ini"), MAX_PATH - i);
// normalizes day of week
// before: Sunday[0], <...>, Saturday[6]
// after: Monday[1], <...>, Sunday[7]
GetLocalTime(&t);
// add day of week
filename[l] += (((t.wDayOfWeek + 6) % 7) + 1);
// clear previous file
WritePrivateProfileSection(Desktop, TEXT(""), filename);
}
// get total items count
cnt = SendMessage(lv, LVM_GETITEMCOUNT, 0, 0);
for (i = 0; i < cnt; i++) {
// get Desktop item
l = SendMessage(lv, LVM_GETITEMTEXT, i, (LPARAM) p);
// everything ok?
if (l > 0) {
// read item name
ReadProcessMemory(h, lvi.pszText, buf, l + 1, NULL);
// escape '=' character because of ini file separator
for (l = 0; buf[l]; l++) {
if (buf[l] == TEXT('=')) {
// '|' invalid in file name so it's
// safe to use it as replacement
buf[l] = TEXT('|');
}
}
if (loadfile) {
// load file
if (GetPrivateProfileStruct(Desktop, buf, &pt, sizeof(pt), filename)) {
// item found - restore position
SendMessage(lv, LVM_SETITEMPOSITION, i, MAKELONG(pt.x, pt.y));
}
} else {
// save file
SendMessage(lv, LVM_GETITEMPOSITION, i, (LPARAM) lvi.pszText);
ReadProcessMemory(h, lvi.pszText, &pt, sizeof(pt), NULL);
// save item position
WritePrivateProfileStruct(Desktop, buf, &pt, sizeof(pt), filename);
}
}
}
// restore styles
if (loadfile) {
if (dw & 1) {
if (!m) {
SetWindowLong(lv, GWL_STYLE, GetWindowLong(lv, GWL_STYLE) | LVS_AUTOARRANGE);
} else {
// PATCH: Windows 98
SendMessage(GetParent(lv), WM_COMMAND, 0x7041, 0);
}
}
if (dw & 2) {
SendMessage(lv, LVM_SETEXTENDEDLISTVIEWSTYLE, LVS_EX_SNAPTOGRID, LVS_EX_SNAPTOGRID);
}
}
// cleanup
if (!m) {
VirtualFreeEx(h, p, 0, MEM_RELEASE);
} else {
// PATCH: Windows 98
UnmapViewOfFile(p);
CloseHandle(m);
}
}
CloseHandle(h);
} // OpenProcess done
} // pid found
} // window found
}
int main(int argc, char *argv[]) {
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724832.aspx
// current Windows must be older than Windows Vista
if ((GetVersion() & 0xFF) < 6) {
SaveLoadDesktopItemsPosition((argc == 2) ? argv[1] : NULL);
}
return(0);
}
2015.10.17