Sweden-Number/dlls/shell32/control.c

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/* Control Panel management
*
* Copyright 2001 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
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#include "wine/winbase16.h"
#include "wownt32.h"
#include "wine/debug.h"
#include "cpl.h"
#include "wine/unicode.h"
#define NO_SHLWAPI_REG
#include "shlwapi.h"
#include "cpanel.h"
WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
CPlApplet* Control_UnloadApplet(CPlApplet* applet)
{
unsigned i;
CPlApplet* next;
for (i = 0; i < applet->count; i++) {
if (!applet->info[i].dwSize) continue;
applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].lData);
}
if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
FreeLibrary(applet->hModule);
next = applet->next;
HeapFree(GetProcessHeap(), 0, applet);
return next;
}
CPlApplet* Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
{
CPlApplet* applet;
unsigned i;
CPLINFO info;
NEWCPLINFOW newinfo;
if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
return applet;
applet->hWnd = hWnd;
if (!(applet->hModule = LoadLibraryW(cmd))) {
WARN("Cannot load control panel applet %s\n", debugstr_w(cmd));
goto theError;
}
if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
WARN("Not a valid control panel applet %s\n", debugstr_w(cmd));
goto theError;
}
if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
WARN("Init of applet has failed\n");
goto theError;
}
if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
WARN("No subprogram in applet\n");
goto theError;
}
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applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
sizeof(*applet) + (applet->count - 1) * sizeof(NEWCPLINFOW));
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for (i = 0; i < applet->count; i++) {
ZeroMemory(&newinfo, sizeof(newinfo));
newinfo.dwSize = sizeof(NEWCPLINFOA);
applet->info[i].dwSize = sizeof(NEWCPLINFOW);
applet->info[i].dwFlags = 0;
applet->info[i].dwHelpContext = 0;
applet->info[i].szHelpFile[0] = '\0';
/* proc is supposed to return a null value upon success for
* CPL_INQUIRE and CPL_NEWINQUIRE
* However, real drivers don't seem to behave like this
* So, use introspection rather than return value
*/
applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
applet->info[i].lData = info.lData;
if (info.idIcon != CPL_DYNAMIC_RES)
applet->info[i].hIcon = LoadIconW(applet->hModule,
MAKEINTRESOURCEW(info.idIcon));
if (info.idName != CPL_DYNAMIC_RES)
LoadStringW(applet->hModule, info.idName,
applet->info[i].szName, sizeof(applet->info[i].szName) / sizeof(WCHAR));
if (info.idInfo != CPL_DYNAMIC_RES)
LoadStringW(applet->hModule, info.idInfo,
applet->info[i].szInfo, sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
if ((info.idIcon == CPL_DYNAMIC_RES) || (info.idName == CPL_DYNAMIC_RES) ||
(info.idInfo == CPL_DYNAMIC_RES)) {
applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
applet->info[i].dwFlags = newinfo.dwFlags;
applet->info[i].dwHelpContext = newinfo.dwHelpContext;
applet->info[i].lData = newinfo.lData;
if (info.idIcon == CPL_DYNAMIC_RES) {
if (!newinfo.hIcon) WARN("couldn't get icon for applet %u\n", i);
applet->info[i].hIcon = newinfo.hIcon;
}
if (newinfo.dwSize == sizeof(NEWCPLINFOW)) {
if (info.idName == CPL_DYNAMIC_RES)
memcpy(applet->info[i].szName, newinfo.szName, sizeof(newinfo.szName));
if (info.idInfo == CPL_DYNAMIC_RES)
memcpy(applet->info[i].szInfo, newinfo.szInfo, sizeof(newinfo.szInfo));
memcpy(applet->info[i].szHelpFile, newinfo.szHelpFile, sizeof(newinfo.szHelpFile));
} else {
if (info.idName == CPL_DYNAMIC_RES)
MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
applet->info[i].szName,
sizeof(applet->info[i].szName) / sizeof(WCHAR));
if (info.idInfo == CPL_DYNAMIC_RES)
MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
applet->info[i].szInfo,
sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
applet->info[i].szHelpFile,
sizeof(applet->info[i].szHelpFile) / sizeof(WCHAR));
}
}
}
applet->next = panel->first;
panel->first = applet;
return applet;
theError:
Control_UnloadApplet(applet);
return NULL;
}
static void Control_WndProc_Create(HWND hWnd, const CREATESTRUCTA* cs)
{
CPanel* panel = (CPanel*)cs->lpCreateParams;
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SetWindowLongPtrA(hWnd, 0, (LONG_PTR)panel);
panel->status = 0;
panel->hWnd = hWnd;
}
#define XICON 32
#define XSTEP 128
#define YICON 32
#define YSTEP 64
static BOOL Control_Localize(const CPanel* panel, int cx, int cy,
CPlApplet** papplet, unsigned* psp)
{
unsigned i, x = (XSTEP-XICON)/2, y = 0;
CPlApplet* applet;
RECT rc;
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GetClientRect(panel->hWnd, &rc);
for (applet = panel->first; applet; applet = applet->next) {
for (i = 0; i < applet->count; i++) {
if (!applet->info[i].dwSize) continue;
if (x + XSTEP >= rc.right - rc.left) {
x = (XSTEP-XICON)/2;
y += YSTEP;
}
if (cx >= x && cx < x + XICON && cy >= y && cy < y + YSTEP) {
*papplet = applet;
*psp = i;
return TRUE;
}
x += XSTEP;
}
}
return FALSE;
}
static LRESULT Control_WndProc_Paint(const CPanel* panel, WPARAM wParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rc, txtRect;
unsigned i, x = 0, y = 0;
CPlApplet* applet;
HGDIOBJ hOldFont;
hdc = (wParam) ? (HDC)wParam : BeginPaint(panel->hWnd, &ps);
hOldFont = SelectObject(hdc, GetStockObject(ANSI_VAR_FONT));
GetClientRect(panel->hWnd, &rc);
for (applet = panel->first; applet; applet = applet->next) {
for (i = 0; i < applet->count; i++) {
if (x + XSTEP >= rc.right - rc.left) {
x = 0;
y += YSTEP;
}
if (!applet->info[i].dwSize) continue;
DrawIcon(hdc, x + (XSTEP-XICON)/2, y, applet->info[i].hIcon);
txtRect.left = x;
txtRect.right = x + XSTEP;
txtRect.top = y + YICON;
txtRect.bottom = y + YSTEP;
DrawTextW(hdc, applet->info[i].szName, -1, &txtRect,
DT_CENTER | DT_VCENTER);
x += XSTEP;
}
}
SelectObject(hdc, hOldFont);
if (!wParam) EndPaint(panel->hWnd, &ps);
return 0;
}
static LRESULT Control_WndProc_LButton(CPanel* panel, LPARAM lParam, BOOL up)
{
unsigned i;
CPlApplet* applet;
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if (Control_Localize(panel, (short)LOWORD(lParam), (short)HIWORD(lParam), &applet, &i)) {
if (up) {
if (panel->clkApplet == applet && panel->clkSP == i) {
applet->proc(applet->hWnd, CPL_DBLCLK, i, applet->info[i].lData);
}
} else {
panel->clkApplet = applet;
panel->clkSP = i;
}
}
return 0;
}
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static LRESULT WINAPI Control_WndProc(HWND hWnd, UINT wMsg,
WPARAM lParam1, LPARAM lParam2)
{
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CPanel* panel = (CPanel*)GetWindowLongPtrA(hWnd, 0);
if (panel || wMsg == WM_CREATE) {
switch (wMsg) {
case WM_CREATE:
Control_WndProc_Create(hWnd, (CREATESTRUCTA*)lParam2);
return 0;
case WM_DESTROY:
{
CPlApplet* applet = panel->first;
while (applet)
applet = Control_UnloadApplet(applet);
}
PostQuitMessage(0);
break;
case WM_PAINT:
return Control_WndProc_Paint(panel, lParam1);
case WM_LBUTTONUP:
return Control_WndProc_LButton(panel, lParam2, TRUE);
case WM_LBUTTONDOWN:
return Control_WndProc_LButton(panel, lParam2, FALSE);
/* EPP case WM_COMMAND: */
/* EPP return Control_WndProc_Command(mwi, lParam1, lParam2); */
}
}
return DefWindowProcA(hWnd, wMsg, lParam1, lParam2);
}
static void Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
{
WNDCLASSA wc;
MSG msg;
const CHAR* appName = "Wine Control Panel";
wc.style = CS_HREDRAW|CS_VREDRAW;
wc.lpfnWndProc = Control_WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = sizeof(CPlApplet*);
wc.hInstance = hInst;
wc.hIcon = 0;
wc.hCursor = 0;
wc.hbrBackground = GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = "Shell_Control_WndClass";
if (!RegisterClassA(&wc)) return;
CreateWindowExA(0, wc.lpszClassName, appName,
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WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
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hWnd, NULL, hInst, panel);
if (!panel->hWnd) return;
if (!panel->first) {
/* FIXME appName & message should be localized */
MessageBoxA(panel->hWnd, "Cannot load any applets", appName, MB_OK);
return;
}
while (GetMessageA(&msg, panel->hWnd, 0, 0)) {
TranslateMessage(&msg);
DispatchMessageA(&msg);
}
}
static void Control_RegisterRegistryApplets(HWND hWnd, CPanel *panel, HKEY hkey_root, LPCWSTR szRepPath)
{
WCHAR name[MAX_PATH];
WCHAR value[MAX_PATH];
HKEY hkey;
if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
{
int idx = 0;
for(;; ++idx)
{
DWORD nameLen = MAX_PATH;
DWORD valueLen = MAX_PATH;
if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)&value, &valueLen) != ERROR_SUCCESS)
break;
Control_LoadApplet(hWnd, value, panel);
}
RegCloseKey(hkey);
}
}
static void Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
{
HANDLE h;
WIN32_FIND_DATAW fd;
WCHAR buffer[MAX_PATH];
static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
static const WCHAR wszRegPath[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t',
'\\','W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
'\\','C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','p','l','s',0};
WCHAR *p;
/* first add .cpl files in the system directory */
GetSystemDirectoryW( buffer, MAX_PATH );
p = buffer + strlenW(buffer);
*p++ = '\\';
lstrcpyW(p, wszAllCpl);
if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
do {
lstrcpyW(p, fd.cFileName);
Control_LoadApplet(hWnd, buffer, panel);
} while (FindNextFileW(h, &fd));
FindClose(h);
}
/* now check for cpls in the registry */
Control_RegisterRegistryApplets(hWnd, panel, HKEY_LOCAL_MACHINE, wszRegPath);
Control_RegisterRegistryApplets(hWnd, panel, HKEY_CURRENT_USER, wszRegPath);
Control_DoInterface(panel, hWnd, hInst);
}
static void Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
/* forms to parse:
* foo.cpl,@sp,str
* foo.cpl,@sp
* foo.cpl,,str
* foo.cpl @sp
* foo.cpl str
* "a path\foo.cpl"
*/
{
LPWSTR buffer;
LPWSTR beg = NULL;
LPWSTR end;
WCHAR ch;
LPWSTR ptr;
signed sp = -1;
LPWSTR extraPmtsBuf = NULL;
LPWSTR extraPmts = NULL;
int quoted = 0;
buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
if (!buffer) return;
end = lstrcpyW(buffer, wszCmd);
for (;;) {
ch = *end;
if (ch == '"') quoted = !quoted;
if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
*end = '\0';
if (beg) {
if (*beg == '@') {
sp = atoiW(beg + 1);
} else if (*beg == '\0') {
sp = -1;
} else {
extraPmtsBuf = beg;
}
}
if (ch == '\0') break;
beg = end + 1;
if (ch == ' ') while (end[1] == ' ') end++;
}
end++;
}
while ((ptr = StrChrW(buffer, '"')))
memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
/* now check for any quotes in extraPmtsBuf and remove */
if (extraPmtsBuf != NULL)
{
beg = end = extraPmtsBuf;
quoted = 0;
for (;;) {
ch = *end;
if (ch == '"') quoted = !quoted;
if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
*end = '\0';
if (beg) {
if (*beg != '\0') {
extraPmts = beg;
}
}
if (ch == '\0') break;
beg = end + 1;
if (ch == ' ') while (end[1] == ' ') end++;
}
end++;
}
while ((ptr = StrChrW(extraPmts, '"')))
memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));
if (extraPmts == NULL)
extraPmts = extraPmtsBuf;
}
TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
Control_LoadApplet(hWnd, buffer, panel);
if (panel->first) {
CPlApplet* applet = panel->first;
assert(applet && applet->next == NULL);
/* we've been given a textual parameter (or none at all) */
if (sp == -1) {
while ((++sp) != applet->count) {
if (applet->info[sp].dwSize) {
TRACE("sp %d, name %s\n", sp, debugstr_w(applet->info[sp].szName));
if (StrCmpIW(extraPmts, applet->info[sp].szName) == 0)
break;
}
}
}
if (sp >= applet->count) {
WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
sp = 0;
}
if (applet->info[sp].dwSize) {
if (!applet->proc(applet->hWnd, CPL_STARTWPARMSA, sp, (LPARAM)extraPmts))
applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].lData);
}
Control_UnloadApplet(applet);
}
HeapFree(GetProcessHeap(), 0, buffer);
}
/*************************************************************************
* Control_RunDLLW [SHELL32.@]
*
*/
void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
{
CPanel panel;
TRACE("(%p, %p, %s, 0x%08x)\n",
hWnd, hInst, debugstr_w(cmd), nCmdShow);
memset(&panel, 0, sizeof(panel));
if (!cmd || !*cmd) {
Control_DoWindow(&panel, hWnd, hInst);
} else {
Control_DoLaunch(&panel, hWnd, cmd);
}
}
/*************************************************************************
* Control_RunDLLA [SHELL32.@]
*
*/
void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
{
Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
}
HeapFree(GetProcessHeap(), 0, wszCmd);
}
/*************************************************************************
* Control_FillCache_RunDLLW [SHELL32.@]
*
*/
HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
{
FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
return 0;
}
/*************************************************************************
* Control_FillCache_RunDLLA [SHELL32.@]
*
*/
HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
{
return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
}
/*************************************************************************
* RunDLL_CallEntry16 [SHELL32.122]
* the name is probably wrong
*/
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void WINAPI RunDLL_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
LPCSTR cmdline, INT cmdshow )
{
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WORD args[5];
SEGPTR cmdline_seg;
TRACE( "proc %x hwnd %p inst %p cmdline %s cmdshow %d\n",
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proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
cmdline_seg = MapLS( cmdline );
args[4] = HWND_16(hwnd);
args[3] = MapHModuleLS(inst);
args[2] = SELECTOROF(cmdline_seg);
args[1] = OFFSETOF(cmdline_seg);
args[0] = cmdshow;
WOWCallback16Ex( proc, WCB16_PASCAL, sizeof(args), args, NULL );
UnMapLS( cmdline_seg );
}
/*************************************************************************
* CallCPLEntry16 [SHELL32.166]
*
* called by desk.cpl on "Advanced" with:
* hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
*
*/
DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
{
FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
return 0x0deadbee;
}