dlls/comctl32/hotkey.c

   1 /*
   2  * Hotkey control
   3  *
   4  * Copyright 1998, 1999 Eric Kohl
   5  * Copyright 2002 Gyorgy 'Nog' Jeney
   6  * Copyright 2004 Robert Shearman
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  *
  22  * This code was audited for completeness against the documented features
  23  * of Comctl32.dll version 6.0 on Sep. 21, 2004, by Robert Shearman.
  24  *
  25  * Unless otherwise noted, we believe this code to be complete, as per
  26  * the specification mentioned above.
  27  * If you discover missing features or bugs please note them below.
  28  *
  29  */
  30
  31 #include <stdarg.h>
  32 #include <string.h>
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "wingdi.h"
  36 #include "winuser.h"
  37 #include "winnls.h"
  38 #include "commctrl.h"
  39 #include "comctl32.h"
  40 #include "uxtheme.h"
  41 #include "wine/debug.h"
  42 #include "wine/heap.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(hotkey);
  45
  46 typedef struct tagHOTKEY_INFO
  47 {
  48     HWND  hwndSelf;
  49     HWND  hwndNotify;
  50     HFONT hFont;
  51     BOOL  bFocus;
  52     INT   nHeight;
  53     WORD  HotKey;
  54     WORD  InvComb;
  55     WORD  InvMod;
  56     BYTE  CurrMod;
  57     INT   CaretPos;
  58     DWORD ScanCode;
  59     WCHAR strNone[15]; /* hope it's long enough ... */
  60 } HOTKEY_INFO;
  61
  62 static const WCHAR HOTKEY_plussep[] = { ' ', '+', ' ' };
  63 static LRESULT HOTKEY_SetFont (HOTKEY_INFO *infoPtr, HFONT hFont, BOOL redraw);
  64
  65 #define IsOnlySet(flags) (infoPtr->CurrMod == (flags))
  66
  67 static BOOL
  68 HOTKEY_IsCombInv(const HOTKEY_INFO *infoPtr)
  69 {
  70     TRACE("(infoPtr=%p)\n", infoPtr);
  71     if((infoPtr->InvComb & HKCOMB_NONE) && !infoPtr->CurrMod)
  72         return TRUE;
  73     if((infoPtr->InvComb & HKCOMB_S) && IsOnlySet(HOTKEYF_SHIFT))
  74         return TRUE;
  75     if((infoPtr->InvComb & HKCOMB_C) && IsOnlySet(HOTKEYF_CONTROL))
  76         return TRUE;
  77     if((infoPtr->InvComb & HKCOMB_A) && IsOnlySet(HOTKEYF_ALT))
  78         return TRUE;
  79     if((infoPtr->InvComb & HKCOMB_SC) &&
  80        IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_CONTROL))
  81         return TRUE;
  82     if((infoPtr->InvComb & HKCOMB_SA) && IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_ALT))
  83         return TRUE;
  84     if((infoPtr->InvComb & HKCOMB_CA) &&
  85        IsOnlySet(HOTKEYF_CONTROL | HOTKEYF_ALT))
  86         return TRUE;
  87     if((infoPtr->InvComb & HKCOMB_SCA) &&
  88        IsOnlySet(HOTKEYF_SHIFT | HOTKEYF_CONTROL | HOTKEYF_ALT))
  89         return TRUE;
  90
  91     TRACE("() Modifiers are valid\n");
  92     return FALSE;
  93 }
  94 #undef IsOnlySet
  95
  96 static void
  97 HOTKEY_DrawHotKey(HOTKEY_INFO *infoPtr, HDC hdc, LPCWSTR KeyName, WORD NameLen)
  98 {
  99     SIZE TextSize;
 100     INT nXStart, nYStart;
 101     COLORREF clrOldText, clrOldBk;
 102     HFONT hFontOld;
 103
 104     /* Make a gap from the frame */
 105     nXStart = GetSystemMetrics(SM_CXBORDER);
 106     nYStart = GetSystemMetrics(SM_CYBORDER);
 107
 108     hFontOld = SelectObject(hdc, infoPtr->hFont);
 109     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
 110     {
 111         clrOldText = SetTextColor(hdc, comctl32_color.clrGrayText);
 112         clrOldBk = SetBkColor(hdc, comctl32_color.clrBtnFace);
 113     }
 114     else
 115     {
 116         clrOldText = SetTextColor(hdc, comctl32_color.clrWindowText);
 117         clrOldBk = SetBkColor(hdc, comctl32_color.clrWindow);
 118     }
 119
 120     TextOutW(hdc, nXStart, nYStart, KeyName, NameLen);
 121
 122     /* Get the text width for the caret */
 123     GetTextExtentPoint32W(hdc, KeyName, NameLen, &TextSize);
 124     infoPtr->CaretPos = nXStart + TextSize.cx;
 125
 126     SetBkColor(hdc, clrOldBk);
 127     SetTextColor(hdc, clrOldText);
 128     SelectObject(hdc, hFontOld);
 129
 130     /* position the caret */
 131     SetCaretPos(infoPtr->CaretPos, nYStart);
 132 }
 133
 134 /* Draw the names of the keys in the control */
 135 static void
 136 HOTKEY_Refresh(HOTKEY_INFO *infoPtr, HDC hdc)
 137 {
 138     WCHAR KeyName[64];
 139     WORD NameLen = 0;
 140     BYTE Modifier;
 141
 142     TRACE("(infoPtr=%p hdc=%p)\n", infoPtr, hdc);
 143
 144     if(!infoPtr->CurrMod && !infoPtr->HotKey) {
 145         HOTKEY_DrawHotKey (infoPtr, hdc, infoPtr->strNone, lstrlenW(infoPtr->strNone));
 146         return;
 147     }
 148
 149     if(infoPtr->HotKey)
 150         Modifier = HIBYTE(infoPtr->HotKey);
 151     else if(HOTKEY_IsCombInv(infoPtr))
 152         Modifier = infoPtr->InvMod;
 153     else
 154         Modifier = infoPtr->CurrMod;
 155
 156     if(Modifier & HOTKEYF_CONTROL) {
 157         GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_CONTROL, 0)),
 158                                   KeyName, 64);
 159         NameLen = lstrlenW(KeyName);
 160         memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
 161         NameLen += 3;
 162     }
 163     if(Modifier & HOTKEYF_SHIFT) {
 164         GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_SHIFT, 0)),
 165                                    &KeyName[NameLen], 64 - NameLen);
 166         NameLen = lstrlenW(KeyName);
 167         memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
 168         NameLen += 3;
 169     }
 170     if(Modifier & HOTKEYF_ALT) {
 171         GetKeyNameTextW(MAKELPARAM(0, MapVirtualKeyW(VK_MENU, 0)),
 172                                    &KeyName[NameLen], 64 - NameLen);
 173         NameLen = lstrlenW(KeyName);
 174         memcpy(&KeyName[NameLen], HOTKEY_plussep, sizeof(HOTKEY_plussep));
 175         NameLen += 3;
 176     }
 177
 178     if(infoPtr->HotKey) {
 179         GetKeyNameTextW(infoPtr->ScanCode, &KeyName[NameLen], 64 - NameLen);
 180         NameLen = lstrlenW(KeyName);
 181     }
 182     else
 183         KeyName[NameLen] = 0;
 184
 185     HOTKEY_DrawHotKey (infoPtr, hdc, KeyName, NameLen);
 186 }
 187
 188 static void
 189 HOTKEY_Paint(HOTKEY_INFO *infoPtr, HDC hdc)
 190 {
 191     if (hdc)
 192         HOTKEY_Refresh(infoPtr, hdc);
 193     else {
 194         PAINTSTRUCT ps;
 195         hdc = BeginPaint (infoPtr->hwndSelf, &ps);
 196         HOTKEY_Refresh (infoPtr, hdc);
 197         EndPaint (infoPtr->hwndSelf, &ps);
 198     }
 199 }
 200
 201 static LRESULT
 202 HOTKEY_GetHotKey(const HOTKEY_INFO *infoPtr)
 203 {
 204     TRACE("(infoPtr=%p) Modifiers: 0x%x, Virtual Key: %d\n", infoPtr,
 205           HIBYTE(infoPtr->HotKey), LOBYTE(infoPtr->HotKey));
 206     return (LRESULT)infoPtr->HotKey;
 207 }
 208
 209 static void
 210 HOTKEY_SetHotKey(HOTKEY_INFO *infoPtr, WORD hotKey)
 211 {
 212     infoPtr->HotKey = hotKey;
 213     infoPtr->ScanCode =
 214         MAKELPARAM(0, MapVirtualKeyW(LOBYTE(infoPtr->HotKey), 0));
 215     TRACE("(infoPtr=%p hotKey=%x) Modifiers: 0x%x, Virtual Key: %d\n", infoPtr,
 216           hotKey, HIBYTE(infoPtr->HotKey), LOBYTE(infoPtr->HotKey));
 217     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 218 }
 219
 220 static void
 221 HOTKEY_SetRules(HOTKEY_INFO *infoPtr, WORD invComb, WORD invMod)
 222 {
 223     infoPtr->InvComb = invComb;
 224     infoPtr->InvMod = invMod;
 225     TRACE("(infoPtr=%p) Invalid Modifiers: 0x%x, If Invalid: 0x%x\n", infoPtr,
 226           infoPtr->InvComb, infoPtr->InvMod);
 227 }
 228
 229
 230 static LRESULT
 231 HOTKEY_Create (HOTKEY_INFO *infoPtr, const CREATESTRUCTW *lpcs)
 232 {
 233     infoPtr->hwndNotify = lpcs->hwndParent;
 234
 235     HOTKEY_SetFont(infoPtr, GetStockObject(SYSTEM_FONT), 0);
 236
 237     return 0;
 238 }
 239
 240
 241 static LRESULT
 242 HOTKEY_Destroy (HOTKEY_INFO *infoPtr)
 243 {
 244     /* free hotkey info data */
 245     SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
 246     heap_free (infoPtr);
 247     return 0;
 248 }
 249
 250
 251 static LRESULT
 252 HOTKEY_EraseBackground (const HOTKEY_INFO *infoPtr, HDC hdc)
 253 {
 254     HBRUSH hBrush, hSolidBrush = NULL;
 255     RECT   rc;
 256
 257     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
 258         hBrush = hSolidBrush = CreateSolidBrush(comctl32_color.clrBtnFace);
 259     else
 260     {
 261         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLOREDIT,
 262                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 263         if (!hBrush)
 264             hBrush = hSolidBrush = CreateSolidBrush(comctl32_color.clrWindow);
 265     }
 266
 267     GetClientRect (infoPtr->hwndSelf, &rc);
 268
 269     FillRect (hdc, &rc, hBrush);
 270
 271     if (hSolidBrush)
 272         DeleteObject(hSolidBrush);
 273
 274     return -1;
 275 }
 276
 277
 278 static inline LRESULT
 279 HOTKEY_GetFont (const HOTKEY_INFO *infoPtr)
 280 {
 281     return (LRESULT)infoPtr->hFont;
 282 }
 283
 284 static LRESULT
 285 HOTKEY_KeyDown (HOTKEY_INFO *infoPtr, DWORD key, DWORD flags)
 286 {
 287     WORD wOldHotKey;
 288     BYTE bOldMod;
 289
 290     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
 291         return 0;
 292
 293     TRACE("() Key: %ld\n", key);
 294
 295     wOldHotKey = infoPtr->HotKey;
 296     bOldMod = infoPtr->CurrMod;
 297
 298     /* If any key is Pressed, we have to reset the hotkey in the control */
 299     infoPtr->HotKey = 0;
 300
 301     switch (key)
 302     {
 303         case VK_RETURN:
 304         case VK_TAB:
 305         case VK_SPACE:
 306         case VK_DELETE:
 307         case VK_ESCAPE:
 308         case VK_BACK:
 309             InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 310             return DefWindowProcW (infoPtr->hwndSelf, WM_KEYDOWN, key, flags);
 311
 312         case VK_SHIFT:
 313             infoPtr->CurrMod |= HOTKEYF_SHIFT;
 314             break;
 315         case VK_CONTROL:
 316             infoPtr->CurrMod |= HOTKEYF_CONTROL;
 317             break;
 318         case VK_MENU:
 319             infoPtr->CurrMod |= HOTKEYF_ALT;
 320             break;
 321
 322         default:
 323             if(HOTKEY_IsCombInv(infoPtr))
 324                 infoPtr->HotKey = MAKEWORD(key, infoPtr->InvMod);
 325             else
 326                 infoPtr->HotKey = MAKEWORD(key, infoPtr->CurrMod);
 327             infoPtr->ScanCode = flags;
 328             break;
 329     }
 330
 331     if ((wOldHotKey != infoPtr->HotKey) || (bOldMod != infoPtr->CurrMod))
 332     {
 333         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 334
 335         /* send EN_CHANGE notification */
 336         SendMessageW(infoPtr->hwndNotify, WM_COMMAND,
 337             MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), EN_CHANGE),
 338             (LPARAM)infoPtr->hwndSelf);
 339     }
 340
 341     return 0;
 342 }
 343
 344
 345 static LRESULT
 346 HOTKEY_KeyUp (HOTKEY_INFO *infoPtr, DWORD key)
 347 {
 348     BYTE bOldMod;
 349
 350     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED)
 351         return 0;
 352
 353     TRACE("() Key: %ld\n", key);
 354
 355     bOldMod = infoPtr->CurrMod;
 356
 357     switch (key)
 358     {
 359         case VK_SHIFT:
 360             infoPtr->CurrMod &= ~HOTKEYF_SHIFT;
 361             break;
 362         case VK_CONTROL:
 363             infoPtr->CurrMod &= ~HOTKEYF_CONTROL;
 364             break;
 365         case VK_MENU:
 366             infoPtr->CurrMod &= ~HOTKEYF_ALT;
 367             break;
 368         default:
 369             return 1;
 370     }
 371
 372     if (bOldMod != infoPtr->CurrMod)
 373     {
 374         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 375
 376         /* send EN_CHANGE notification */
 377         SendMessageW(infoPtr->hwndNotify, WM_COMMAND,
 378             MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), EN_CHANGE),
 379             (LPARAM)infoPtr->hwndSelf);
 380     }
 381
 382     return 0;
 383 }
 384
 385
 386 static LRESULT
 387 HOTKEY_KillFocus (HOTKEY_INFO *infoPtr)
 388 {
 389     infoPtr->bFocus = FALSE;
 390     DestroyCaret ();
 391
 392     return 0;
 393 }
 394
 395
 396 static LRESULT
 397 HOTKEY_LButtonDown (const HOTKEY_INFO *infoPtr)
 398 {
 399     if (!(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & WS_DISABLED))
 400         SetFocus (infoPtr->hwndSelf);
 401
 402     return 0;
 403 }
 404
 405
 406 static inline LRESULT
 407 HOTKEY_NCCreate (HWND hwnd, const CREATESTRUCTW *lpcs)
 408 {
 409     HOTKEY_INFO *infoPtr;
 410     DWORD dwExStyle = GetWindowLongW (hwnd, GWL_EXSTYLE);
 411     SetWindowLongW (hwnd, GWL_EXSTYLE,
 412                     dwExStyle | WS_EX_CLIENTEDGE);
 413
 414     /* allocate memory for info structure */
 415     infoPtr = heap_alloc_zero (sizeof(*infoPtr));
 416     SetWindowLongPtrW(hwnd, 0, (DWORD_PTR)infoPtr);
 417
 418     /* initialize info structure */
 419     infoPtr->HotKey = infoPtr->InvComb = infoPtr->InvMod = infoPtr->CurrMod = 0;
 420     infoPtr->CaretPos = GetSystemMetrics(SM_CXBORDER);
 421     infoPtr->hwndSelf = hwnd;
 422     LoadStringW(COMCTL32_hModule, HKY_NONE, infoPtr->strNone, 15);
 423
 424     return DefWindowProcW (infoPtr->hwndSelf, WM_NCCREATE, 0, (LPARAM)lpcs);
 425 }
 426
 427 static LRESULT
 428 HOTKEY_NCPaint (HWND hwnd, HRGN region)
 429 {
 430     INT cxEdge, cyEdge;
 431     HRGN clipRgn;
 432     HTHEME theme;
 433     LONG exStyle;
 434     RECT r;
 435     HDC dc;
 436
 437     theme = OpenThemeDataForDpi(NULL, WC_EDITW, GetDpiForWindow(hwnd));
 438     if (!theme)
 439         return DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)region, 0);
 440
 441     exStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
 442     if (!(exStyle & WS_EX_CLIENTEDGE))
 443     {
 444         CloseThemeData(theme);
 445         return DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)region, 0);
 446     }
 447
 448     cxEdge = GetSystemMetrics(SM_CXEDGE);
 449     cyEdge = GetSystemMetrics(SM_CYEDGE);
 450     GetWindowRect(hwnd, &r);
 451
 452     /* New clipping region passed to default proc to exclude border */
 453     clipRgn = CreateRectRgn(r.left + cxEdge, r.top + cyEdge, r.right - cxEdge, r.bottom - cyEdge);
 454     if (region != (HRGN)1)
 455         CombineRgn(clipRgn, clipRgn, region, RGN_AND);
 456     OffsetRect(&r, -r.left, -r.top);
 457
 458     dc = GetDCEx(hwnd, region, DCX_WINDOW | DCX_INTERSECTRGN);
 459     if (IsThemeBackgroundPartiallyTransparent(theme, 0, 0))
 460         DrawThemeParentBackground(hwnd, dc, &r);
 461     DrawThemeBackground(theme, dc, 0, 0, &r, 0);
 462     ReleaseDC(hwnd, dc);
 463     CloseThemeData(theme);
 464
 465     /* Call default proc to get the scrollbars etc. also painted */
 466     DefWindowProcW(hwnd, WM_NCPAINT, (WPARAM)clipRgn, 0);
 467     DeleteObject(clipRgn);
 468     return 0;
 469 }
 470
 471 static LRESULT
 472 HOTKEY_SetFocus (HOTKEY_INFO *infoPtr)
 473 {
 474     infoPtr->bFocus = TRUE;
 475
 476     CreateCaret (infoPtr->hwndSelf, NULL, 1, infoPtr->nHeight);
 477     SetCaretPos (infoPtr->CaretPos, GetSystemMetrics(SM_CYBORDER));
 478     ShowCaret (infoPtr->hwndSelf);
 479
 480     return 0;
 481 }
 482
 483
 484 static LRESULT
 485 HOTKEY_SetFont (HOTKEY_INFO *infoPtr, HFONT hFont, BOOL redraw)
 486 {
 487     TEXTMETRICW tm;
 488     HDC hdc;
 489     HFONT hOldFont = 0;
 490
 491     infoPtr->hFont = hFont;
 492
 493     hdc = GetDC (infoPtr->hwndSelf);
 494     if (infoPtr->hFont)
 495         hOldFont = SelectObject (hdc, infoPtr->hFont);
 496
 497     GetTextMetricsW (hdc, &tm);
 498     infoPtr->nHeight = tm.tmHeight;
 499
 500     if (infoPtr->hFont)
 501         SelectObject (hdc, hOldFont);
 502     ReleaseDC (infoPtr->hwndSelf, hdc);
 503
 504     if (redraw)
 505         InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
 506
 507     return 0;
 508 }
 509
 510 static LRESULT WINAPI
 511 HOTKEY_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 512 {
 513     HOTKEY_INFO *infoPtr = (HOTKEY_INFO *)GetWindowLongPtrW (hwnd, 0);
 514
 515     TRACE("hwnd %p, msg %x, wparam %Ix, lparam %Ix\n", hwnd, uMsg, wParam, lParam);
 516
 517     if (!infoPtr && (uMsg != WM_NCCREATE))
 518         return DefWindowProcW (hwnd, uMsg, wParam, lParam);
 519     switch (uMsg)
 520     {
 521         case HKM_GETHOTKEY:
 522             return HOTKEY_GetHotKey (infoPtr);
 523         case HKM_SETHOTKEY:
 524             HOTKEY_SetHotKey (infoPtr, (WORD)wParam);
 525             break;
 526         case HKM_SETRULES:
 527             HOTKEY_SetRules (infoPtr, (WORD)wParam, (WORD)lParam);
 528             break;
 529
 530         case WM_CHAR:
 531         case WM_SYSCHAR:
 532             return HOTKEY_KeyDown (infoPtr, MapVirtualKeyW(LOBYTE(HIWORD(lParam)), 1), lParam);
 533
 534         case WM_CREATE:
 535             return HOTKEY_Create (infoPtr, (LPCREATESTRUCTW)lParam);
 536
 537         case WM_DESTROY:
 538             return HOTKEY_Destroy (infoPtr);
 539
 540         case WM_ERASEBKGND:
 541             return HOTKEY_EraseBackground (infoPtr, (HDC)wParam);
 542
 543         case WM_GETDLGCODE:
 544             return DLGC_WANTCHARS | DLGC_WANTARROWS;
 545
 546         case WM_GETFONT:
 547             return HOTKEY_GetFont (infoPtr);
 548
 549         case WM_KEYDOWN:
 550         case WM_SYSKEYDOWN:
 551             return HOTKEY_KeyDown (infoPtr, wParam, lParam);
 552
 553         case WM_KEYUP:
 554         case WM_SYSKEYUP:
 555             return HOTKEY_KeyUp (infoPtr, wParam);
 556
 557         case WM_KILLFOCUS:
 558             return HOTKEY_KillFocus (infoPtr);
 559
 560         case WM_LBUTTONDOWN:
 561             return HOTKEY_LButtonDown (infoPtr);
 562
 563         case WM_NCCREATE:
 564             return HOTKEY_NCCreate (hwnd, (LPCREATESTRUCTW)lParam);
 565
 566         case WM_NCPAINT:
 567             return HOTKEY_NCPaint (hwnd, (HRGN)wParam);
 568
 569         case WM_PRINTCLIENT:
 570         case WM_PAINT:
 571             HOTKEY_Paint(infoPtr, (HDC)wParam);
 572             return 0;
 573
 574         case WM_SETFOCUS:
 575             return HOTKEY_SetFocus (infoPtr);
 576
 577         case WM_SETFONT:
 578             return HOTKEY_SetFont (infoPtr, (HFONT)wParam, LOWORD(lParam));
 579
 580         default:
 581             if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
 582                 ERR("unknown msg %04x, wp %Ix, lp %Ix\n", uMsg, wParam, lParam);
 583             return DefWindowProcW (hwnd, uMsg, wParam, lParam);
 584     }
 585     return 0;
 586 }
 587
 588
 589 void
 590 HOTKEY_Register (void)
 591 {
 592     WNDCLASSW wndClass;
 593
 594     ZeroMemory (&wndClass, sizeof(WNDCLASSW));
 595     wndClass.style         = CS_GLOBALCLASS;
 596     wndClass.lpfnWndProc   = HOTKEY_WindowProc;
 597     wndClass.cbClsExtra    = 0;
 598     wndClass.cbWndExtra    = sizeof(HOTKEY_INFO *);
 599     wndClass.hCursor       = 0;
 600     wndClass.hbrBackground = 0;
 601     wndClass.lpszClassName = HOTKEY_CLASSW;
 602
 603     RegisterClassW (&wndClass);
 604 }
 605
 606
 607 void
 608 HOTKEY_Unregister (void)
 609 {
 610     UnregisterClassW (HOTKEY_CLASSW, NULL);
 611 }