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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/debug.h"
#include "cpl.h"
WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
typedef struct CPlApplet {
struct CPlApplet* next; /* linked list */
HWND hWnd;
unsigned count; /* number of subprograms */
HMODULE hModule; /* module of loaded applet */
APPLET_PROC proc; /* entry point address */
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NEWCPLINFOA info[1]; /* array of count information.
* dwSize field is 0 if entry is invalid */
} CPlApplet;
typedef struct CPanel {
CPlApplet* first; /* linked list */
HWND hWnd;
unsigned status;
CPlApplet* clkApplet;
unsigned clkSP;
} CPanel;
static 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;
}
static CPlApplet* Control_LoadApplet(HWND hWnd, LPCSTR cmd, CPanel* panel)
{
CPlApplet* applet;
unsigned i;
CPLINFO info;
if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
return applet;
applet->hWnd = hWnd;
if (!(applet->hModule = LoadLibraryA(cmd))) {
WARN("Cannot load control panel applet %s\n", cmd);
goto theError;
}
if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
WARN("Not a valid control panel applet %s\n", 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(NEWCPLINFOA));
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for (i = 0; i < applet->count; i++) {
applet->info[i].dwSize = sizeof(NEWCPLINFOA);
/* 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_NEWINQUIRE, i, (LPARAM)&applet->info[i]);
if (applet->info[i].hIcon == 0) {
applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
if (info.idIcon == 0 || info.idName == 0) {
WARN("Couldn't get info from sp %u\n", i);
applet->info[i].dwSize = 0;
} else {
/* convert the old data into the new structure */
applet->info[i].dwFlags = 0;
applet->info[i].dwHelpContext = 0;
applet->info[i].lData = info.lData;
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applet->info[i].hIcon = LoadIconA(applet->hModule,
MAKEINTRESOURCEA(info.idIcon));
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LoadStringA(applet->hModule, info.idName,
applet->info[i].szName, sizeof(applet->info[i].szName));
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LoadStringA(applet->hModule, info.idInfo,
applet->info[i].szInfo, sizeof(applet->info[i].szInfo));
applet->info[i].szHelpFile[0] = '\0';
}
}
}
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;
SetWindowLongA(hWnd, 0, (LPARAM)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, unsigned cx, unsigned 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 = 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 = 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;
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DrawTextA(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, LOWORD(lParam), 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)
{
CPanel* panel = (CPanel*)GetWindowLongA(hWnd, 0);
if (panel || wMsg == WM_CREATE) {
switch (wMsg) {
case WM_CREATE:
Control_WndProc_Create(hWnd, (CREATESTRUCTA*)lParam2);
return 0;
case WM_DESTROY:
while ((panel->first = Control_UnloadApplet(panel->first)));
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;
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;
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CreateWindowExA(0, wc.lpszClassName, "Wine Control Panel",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
hWnd, (HMENU)0, hInst, panel);
if (!panel->hWnd) return;
while (GetMessageA(&msg, panel->hWnd, 0, 0)) {
TranslateMessage(&msg);
DispatchMessageA(&msg);
if (!panel->first) break;
}
}
static void Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
{
HANDLE h;
WIN32_FIND_DATAA fd;
char buffer[MAX_PATH];
/* FIXME: should grab path somewhere from configuration */
if ((h = FindFirstFileA("c:\\windows\\system\\*.cpl", &fd)) != 0) {
do {
sprintf(buffer, "c:\\windows\\system\\%s", fd.cFileName);
Control_LoadApplet(hWnd, buffer, panel);
} while (FindNextFileA(h, &fd));
FindClose(h);
}
if (panel->first) Control_DoInterface(panel, hWnd, hInst);
}
static void Control_DoLaunch(CPanel* panel, HWND hWnd, LPCSTR cmd)
/* forms to parse:
* foo.cpl,@sp,str
* foo.cpl,@sp
* foo.cpl,,str
* foo.cpl @sp
* foo.cpl str
*/
{
char* buffer;
char* beg = NULL;
char* end;
char ch;
unsigned sp = 0;
char* extraPmts = NULL;
int quoted = 0;
buffer = HeapAlloc(GetProcessHeap(), 0, strlen(cmd) + 1);
if (!buffer) return;
end = strcpy(buffer, cmd);
for (;;) {
ch = *end;
if (ch == '"') quoted = !quoted;
if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
*end = '\0';
if (beg) {
if (*beg == '@') {
sp = atoi(beg + 1);
} else if (*beg == '\0') {
sp = 0;
} else {
extraPmts = beg;
}
}
if (ch == '\0') break;
beg = end + 1;
if (ch == ' ') while (end[1] == ' ') end++;
}
end++;
}
TRACE("cmd %s, extra %s, sp %d\n", buffer, debugstr_a(extraPmts), sp);
Control_LoadApplet(hWnd, buffer, panel);
if (panel->first) {
CPlApplet* applet = panel->first;
assert(applet && applet->next == NULL);
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);
}
/*************************************************************************
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* Control_RunDLL [SHELL32.@]
*
*/
void WINAPI Control_RunDLL(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
{
CPanel panel;
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TRACE("(0x%08x, 0x%08lx, %s, 0x%08lx)\n",
hWnd, (DWORD)hInst, debugstr_a(cmd), nCmdShow);
memset(&panel, 0, sizeof(panel));
if (!cmd || !*cmd) {
Control_DoWindow(&panel, hWnd, hInst);
} else {
Control_DoLaunch(&panel, hWnd, cmd);
}
}
/*************************************************************************
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* Control_FillCache_RunDLL [SHELL32.@]
*
*/
HRESULT WINAPI Control_FillCache_RunDLL(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
{
FIXME("0x%04x 0x%04x 0x%04lx 0x%04lx stub\n",hWnd, hModule, w, x);
return 0;
}
/*************************************************************************
* RunDLL_CallEntry16 [SHELL32.122]
* the name is probably wrong
*/
HRESULT WINAPI RunDLL_CallEntry16(DWORD v, DWORD w, DWORD x, DWORD y, DWORD z)
{
FIXME("0x%04lx 0x%04lx 0x%04lx 0x%04lx 0x%04lx stub\n",v,w,x,y,z);
return 0;
}
/*************************************************************************
* 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("(%04x, %p, %08lx, %08lx, %08lx, %08lx): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
return 0x0deadbee;
}