source: trunk/src/shell32/control.c@ 9799

Last change on this file since 9799 was 9799, checked in by sandervl, 23 years ago

Wine resync
File size: 13.8 KB
Line 
1/* Control Panel management
2 *
3 * Copyright 2001 Eric Pouech
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <assert.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24
25#include "winbase.h"
26#include "wingdi.h"
27#include "winuser.h"
28#include "wine/debug.h"
29#include "cpl.h"
30#include "wine/unicode.h"
31
32#define NO_SHLWAPI_REG
33#include "shlwapi.h"
34
35WINE_DEFAULT_DEBUG_CHANNEL(shlctrl);
36
37typedef struct CPlApplet {
38 struct CPlApplet* next; /* linked list */
39 HWND hWnd;
40 unsigned count; /* number of subprograms */
41 HMODULE hModule; /* module of loaded applet */
42 APPLET_PROC proc; /* entry point address */
43 NEWCPLINFOW info[1]; /* array of count information.
44 * dwSize field is 0 if entry is invalid */
45} CPlApplet;
46
47typedef struct CPanel {
48 CPlApplet* first; /* linked list */
49 HWND hWnd;
50 unsigned status;
51 CPlApplet* clkApplet;
52 unsigned clkSP;
53} CPanel;
54
55static CPlApplet* Control_UnloadApplet(CPlApplet* applet)
56{
57 unsigned i;
58 CPlApplet* next;
59
60 for (i = 0; i < applet->count; i++) {
61 if (!applet->info[i].dwSize) continue;
62 applet->proc(applet->hWnd, CPL_STOP, i, applet->info[i].lData);
63 }
64 if (applet->proc) applet->proc(applet->hWnd, CPL_EXIT, 0L, 0L);
65 FreeLibrary(applet->hModule);
66 next = applet->next;
67 HeapFree(GetProcessHeap(), 0, applet);
68 return next;
69}
70
71static CPlApplet* Control_LoadApplet(HWND hWnd, LPCWSTR cmd, CPanel* panel)
72{
73 CPlApplet* applet;
74 unsigned i;
75 CPLINFO info;
76 NEWCPLINFOW newinfo;
77
78 if (!(applet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*applet))))
79 return applet;
80
81 applet->hWnd = hWnd;
82
83 if (!(applet->hModule = LoadLibraryW(cmd))) {
84 WARN("Cannot load control panel applet %s\n", debugstr_w(cmd));
85 goto theError;
86 }
87 if (!(applet->proc = (APPLET_PROC)GetProcAddress(applet->hModule, "CPlApplet"))) {
88 WARN("Not a valid control panel applet %s\n", debugstr_w(cmd));
89 goto theError;
90 }
91 if (!applet->proc(hWnd, CPL_INIT, 0L, 0L)) {
92 WARN("Init of applet has failed\n");
93 goto theError;
94 }
95 if ((applet->count = applet->proc(hWnd, CPL_GETCOUNT, 0L, 0L)) == 0) {
96 WARN("No subprogram in applet\n");
97 goto theError;
98 }
99
100 applet = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, applet,
101 sizeof(*applet) + (applet->count - 1) * sizeof(NEWCPLINFOW));
102
103 for (i = 0; i < applet->count; i++) {
104 ZeroMemory(&newinfo, sizeof(newinfo));
105 newinfo.dwSize = sizeof(NEWCPLINFOA);
106 applet->info[i].dwSize = sizeof(NEWCPLINFOW);
107 /* proc is supposed to return a null value upon success for
108 * CPL_INQUIRE and CPL_NEWINQUIRE
109 * However, real drivers don't seem to behave like this
110 * So, use introspection rather than return value
111 */
112 applet->proc(hWnd, CPL_NEWINQUIRE, i, (LPARAM)&newinfo);
113 if (newinfo.hIcon == 0) {
114 applet->proc(hWnd, CPL_INQUIRE, i, (LPARAM)&info);
115 if (info.idIcon == 0 || info.idName == 0) {
116 WARN("Couldn't get info from sp %u\n", i);
117 applet->info[i].dwSize = 0;
118 } else {
119 /* convert the old data into the new structure */
120 applet->info[i].dwFlags = 0;
121 applet->info[i].dwHelpContext = 0;
122 applet->info[i].lData = info.lData;
123 applet->info[i].hIcon = LoadIconW(applet->hModule,
124 MAKEINTRESOURCEW(info.idIcon));
125 LoadStringW(applet->hModule, info.idName,
126 applet->info[i].szName, sizeof(applet->info[i].szName) / sizeof(WCHAR));
127 LoadStringW(applet->hModule, info.idInfo,
128 applet->info[i].szInfo, sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
129 applet->info[i].szHelpFile[0] = '\0';
130 }
131 }
132 else
133 {
134 CopyMemory(&applet->info[i], &newinfo, newinfo.dwSize);
135 if (newinfo.dwSize != sizeof(NEWCPLINFOW))
136 {
137 applet->info[i].dwSize = sizeof(NEWCPLINFOW);
138 MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szName,
139 sizeof(((LPNEWCPLINFOA)&newinfo)->szName) / sizeof(CHAR),
140 applet->info[i].szName,
141 sizeof(applet->info[i].szName) / sizeof(WCHAR));
142 MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szInfo,
143 sizeof(((LPNEWCPLINFOA)&newinfo)->szInfo) / sizeof(CHAR),
144 applet->info[i].szInfo,
145 sizeof(applet->info[i].szInfo) / sizeof(WCHAR));
146 MultiByteToWideChar(CP_ACP, 0, ((LPNEWCPLINFOA)&newinfo)->szHelpFile,
147 sizeof(((LPNEWCPLINFOA)&newinfo)->szHelpFile) / sizeof(CHAR),
148 applet->info[i].szHelpFile,
149 sizeof(applet->info[i].szHelpFile) / sizeof(WCHAR));
150 }
151 }
152 }
153
154 applet->next = panel->first;
155 panel->first = applet;
156
157 return applet;
158
159 theError:
160 Control_UnloadApplet(applet);
161 return NULL;
162}
163
164static void Control_WndProc_Create(HWND hWnd, const CREATESTRUCTA* cs)
165{
166 CPanel* panel = (CPanel*)cs->lpCreateParams;
167
168 SetWindowLongA(hWnd, 0, (LPARAM)panel);
169 panel->status = 0;
170 panel->hWnd = hWnd;
171}
172
173#define XICON 32
174#define XSTEP 128
175#define YICON 32
176#define YSTEP 64
177
178static BOOL Control_Localize(const CPanel* panel, unsigned cx, unsigned cy,
179 CPlApplet** papplet, unsigned* psp)
180{
181 unsigned i, x = (XSTEP-XICON)/2, y = 0;
182 CPlApplet* applet;
183 RECT rc;
184
185 GetClientRect(panel->hWnd, &rc);
186 for (applet = panel->first; applet; applet = applet = applet->next) {
187 for (i = 0; i < applet->count; i++) {
188 if (!applet->info[i].dwSize) continue;
189 if (x + XSTEP >= rc.right - rc.left) {
190 x = (XSTEP-XICON)/2;
191 y += YSTEP;
192 }
193 if (cx >= x && cx < x + XICON && cy >= y && cy < y + YSTEP) {
194 *papplet = applet;
195 *psp = i;
196 return TRUE;
197 }
198 x += XSTEP;
199 }
200 }
201 return FALSE;
202}
203
204static LRESULT Control_WndProc_Paint(const CPanel* panel, WPARAM wParam)
205{
206 HDC hdc;
207 PAINTSTRUCT ps;
208 RECT rc, txtRect;
209 unsigned i, x = 0, y = 0;
210 CPlApplet* applet;
211 HGDIOBJ hOldFont;
212
213 hdc = (wParam) ? (HDC)wParam : BeginPaint(panel->hWnd, &ps);
214 hOldFont = SelectObject(hdc, GetStockObject(ANSI_VAR_FONT));
215 GetClientRect(panel->hWnd, &rc);
216 for (applet = panel->first; applet; applet = applet = applet->next) {
217 for (i = 0; i < applet->count; i++) {
218 if (x + XSTEP >= rc.right - rc.left) {
219 x = 0;
220 y += YSTEP;
221 }
222 if (!applet->info[i].dwSize) continue;
223 DrawIcon(hdc, x + (XSTEP-XICON)/2, y, applet->info[i].hIcon);
224 txtRect.left = x;
225 txtRect.right = x + XSTEP;
226 txtRect.top = y + YICON;
227 txtRect.bottom = y + YSTEP;
228 DrawTextW(hdc, applet->info[i].szName, -1, &txtRect,
229 DT_CENTER | DT_VCENTER);
230 x += XSTEP;
231 }
232 }
233 SelectObject(hdc, hOldFont);
234 if (!wParam) EndPaint(panel->hWnd, &ps);
235 return 0;
236}
237
238static LRESULT Control_WndProc_LButton(CPanel* panel, LPARAM lParam, BOOL up)
239{
240 unsigned i;
241 CPlApplet* applet;
242
243 if (Control_Localize(panel, LOWORD(lParam), HIWORD(lParam), &applet, &i)) {
244 if (up) {
245 if (panel->clkApplet == applet && panel->clkSP == i) {
246 applet->proc(applet->hWnd, CPL_DBLCLK, i, applet->info[i].lData);
247 }
248 } else {
249 panel->clkApplet = applet;
250 panel->clkSP = i;
251 }
252 }
253 return 0;
254}
255
256static LRESULT WINAPI Control_WndProc(HWND hWnd, UINT wMsg,
257 WPARAM lParam1, LPARAM lParam2)
258{
259 CPanel* panel = (CPanel*)GetWindowLongA(hWnd, 0);
260
261 if (panel || wMsg == WM_CREATE) {
262 switch (wMsg) {
263 case WM_CREATE:
264 Control_WndProc_Create(hWnd, (CREATESTRUCTA*)lParam2);
265 return 0;
266 case WM_DESTROY:
267 while ((panel->first = Control_UnloadApplet(panel->first)));
268 break;
269 case WM_PAINT:
270 return Control_WndProc_Paint(panel, lParam1);
271 case WM_LBUTTONUP:
272 return Control_WndProc_LButton(panel, lParam2, TRUE);
273 case WM_LBUTTONDOWN:
274 return Control_WndProc_LButton(panel, lParam2, FALSE);
275/* EPP case WM_COMMAND: */
276/* EPP return Control_WndProc_Command(mwi, lParam1, lParam2); */
277 }
278 }
279
280 return DefWindowProcA(hWnd, wMsg, lParam1, lParam2);
281}
282
283static void Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
284{
285 WNDCLASSA wc;
286 MSG msg;
287
288 wc.style = CS_HREDRAW|CS_VREDRAW;
289 wc.lpfnWndProc = Control_WndProc;
290 wc.cbClsExtra = 0;
291 wc.cbWndExtra = sizeof(CPlApplet*);
292 wc.hInstance = hInst;
293 wc.hIcon = 0;
294 wc.hCursor = 0;
295 wc.hbrBackground = GetStockObject(WHITE_BRUSH);
296 wc.lpszMenuName = NULL;
297 wc.lpszClassName = "Shell_Control_WndClass";
298
299 if (!RegisterClassA(&wc)) return;
300
301 CreateWindowExA(0, wc.lpszClassName, "Wine Control Panel",
302 WS_OVERLAPPEDWINDOW | WS_VISIBLE,
303 CW_USEDEFAULT, CW_USEDEFAULT,
304 CW_USEDEFAULT, CW_USEDEFAULT,
305 hWnd, NULL, hInst, panel);
306 if (!panel->hWnd) return;
307 while (GetMessageA(&msg, panel->hWnd, 0, 0)) {
308 TranslateMessage(&msg);
309 DispatchMessageA(&msg);
310 if (!panel->first) break;
311 }
312}
313
314static void Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
315{
316 HANDLE h;
317 WIN32_FIND_DATAW fd;
318 WCHAR buffer[MAX_PATH];
319 static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
320 WCHAR *p;
321
322 GetSystemDirectoryW( buffer, MAX_PATH );
323 p = buffer + strlenW(buffer);
324 *p++ = '\\';
325 lstrcpyW(p, wszAllCpl);
326
327 if ((h = FindFirstFileW(buffer, &fd)) != 0) {
328 do {
329 lstrcpyW(p, fd.cFileName);
330 Control_LoadApplet(hWnd, buffer, panel);
331 } while (FindNextFileW(h, &fd));
332 FindClose(h);
333 }
334
335 if (panel->first) Control_DoInterface(panel, hWnd, hInst);
336}
337
338static void Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
339 /* forms to parse:
340 * foo.cpl,@sp,str
341 * foo.cpl,@sp
342 * foo.cpl,,str
343 * foo.cpl @sp
344 * foo.cpl str
345 * "a path\foo.cpl"
346 */
347{
348 LPWSTR buffer;
349 LPWSTR beg = NULL;
350 LPWSTR end;
351 WCHAR ch;
352 LPWSTR ptr;
353 unsigned sp = 0;
354 LPWSTR extraPmts = NULL;
355 int quoted = 0;
356
357 buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
358 if (!buffer) return;
359
360 end = lstrcpyW(buffer, wszCmd);
361
362 for (;;) {
363 ch = *end;
364 if (ch == '"') quoted = !quoted;
365 if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
366 *end = '\0';
367 if (beg) {
368 if (*beg == '@') {
369 sp = atoiW(beg + 1);
370 } else if (*beg == '\0') {
371 sp = 0;
372 } else {
373 extraPmts = beg;
374 }
375 }
376 if (ch == '\0') break;
377 beg = end + 1;
378 if (ch == ' ') while (end[1] == ' ') end++;
379 }
380 end++;
381 }
382 while ((ptr = StrChrW(buffer, '"')))
383 memmove(ptr, ptr+1, lstrlenW(ptr));
384
385 TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);
386
387 Control_LoadApplet(hWnd, buffer, panel);
388
389 if (panel->first) {
390 CPlApplet* applet = panel->first;
391
392 assert(applet && applet->next == NULL);
393 if (sp >= applet->count) {
394 WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
395 sp = 0;
396 }
397 if (applet->info[sp].dwSize) {
398 if (!applet->proc(applet->hWnd, CPL_STARTWPARMSA, sp, (LPARAM)extraPmts))
399 applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].lData);
400 }
401 Control_UnloadApplet(applet);
402 }
403 HeapFree(GetProcessHeap(), 0, buffer);
404}
405
406/*************************************************************************
407 * Control_RunDLLW [SHELL32.@]
408 *
409 */
410void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
411{
412 CPanel panel;
413
414 TRACE("(%p, %p, %s, 0x%08lx)\n",
415 hWnd, hInst, debugstr_w(cmd), nCmdShow);
416
417 memset(&panel, 0, sizeof(panel));
418
419 if (!cmd || !*cmd) {
420 Control_DoWindow(&panel, hWnd, hInst);
421 } else {
422 Control_DoLaunch(&panel, hWnd, cmd);
423 }
424}
425
426/*************************************************************************
427 * Control_RunDLLA [SHELL32.@]
428 *
429 */
430void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
431{
432 DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
433 LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
434 if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
435 {
436 Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
437 }
438 HeapFree(GetProcessHeap(), 0, wszCmd);
439}
440
441/*************************************************************************
442 * Control_FillCache_RunDLL [SHELL32.@]
443 *
444 */
445HRESULT WINAPI Control_FillCache_RunDLL(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
446{
447 FIXME("%p %p 0x%04lx 0x%04lx stub\n", hWnd, hModule, w, x);
448 return 0;
449}
450
451/*************************************************************************
452 * RunDLL_CallEntry16 [SHELL32.122]
453 * the name is probably wrong
454 */
455HRESULT WINAPI RunDLL_CallEntry16(DWORD v, DWORD w, DWORD x, DWORD y, DWORD z)
456{
457 FIXME("0x%04lx 0x%04lx 0x%04lx 0x%04lx 0x%04lx stub\n",v,w,x,y,z);
458 return 0;
459}
460
461/*************************************************************************
462 * CallCPLEntry16 [SHELL32.166]
463 *
464 * called by desk.cpl on "Advanced" with:
465 * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
466 *
467 */
468DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
469{
470 FIXME("(%p, %p, %08lx, %08lx, %08lx, %08lx): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
471 return 0x0deadbee;
472}
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