1 /* File: button.c -- Button type widgets 2 * 3 * Copyright (C) 1993 Johannes Ruscheinski 4 * Copyright (C) 1993 David Metcalfe 5 * Copyright (C) 1994 Alexandre Julliard 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 20 * 21 * NOTES 22 * 23 * This code was audited for completeness against the documented features 24 * of Comctl32.dll version 6.0 on Oct. 3, 2004, by Dimitrie O. Paun. 25 * 26 * Unless otherwise noted, we believe this code to be complete, as per 27 * the specification mentioned above. 28 * If you discover missing features, or bugs, please note them below. 29 * 30 * TODO 31 * Styles 32 * - BS_NOTIFY: is it complete? 33 * - BS_RIGHTBUTTON: same as BS_LEFTTEXT 34 * 35 * Messages 36 * - WM_CHAR: Checks a (manual or automatic) check box on '+' or '=', clears it on '-' key. 37 * - WM_SETFOCUS: For (manual or automatic) radio buttons, send the parent window BN_CLICKED 38 * - WM_NCCREATE: Turns any BS_OWNERDRAW button into a BS_PUSHBUTTON button. 39 * - WM_SYSKEYUP 40 * - BCM_GETIDEALSIZE 41 * - BCM_GETIMAGELIST 42 * - BCM_GETTEXTMARGIN 43 * - BCM_SETIMAGELIST 44 * - BCM_SETTEXTMARGIN 45 * 46 * Notifications 47 * - BCN_HOTITEMCHANGE 48 * - BN_DISABLE 49 * - BN_PUSHED/BN_HILITE 50 * + BN_KILLFOCUS: is it OK? 51 * - BN_PAINT 52 * + BN_SETFOCUS: is it OK? 53 * - BN_UNPUSHED/BN_UNHILITE 54 * - NM_CUSTOMDRAW 55 * 56 * Structures/Macros/Definitions 57 * - BUTTON_IMAGELIST 58 * - NMBCHOTITEM 59 * - Button_GetIdealSize 60 * - Button_GetImageList 61 * - Button_GetTextMargin 62 * - Button_SetImageList 63 * - Button_SetTextMargin 64 */ 65 #include <user32.h> 66 67 #include <wine/debug.h> 68 WINE_DEFAULT_DEBUG_CHANNEL(button); 69 70 /* GetWindowLong offsets for window extra information */ 71 #define STATE_GWL_OFFSET 0 72 #define HFONT_GWL_OFFSET (sizeof(LONG)) 73 #define HIMAGE_GWL_OFFSET (HFONT_GWL_OFFSET+sizeof(HFONT)) 74 #define UISTATE_GWL_OFFSET (HIMAGE_GWL_OFFSET+sizeof(HFONT)) 75 #define NB_EXTRA_BYTES (UISTATE_GWL_OFFSET+sizeof(LONG)) 76 77 /* undocumented flags */ 78 #define BUTTON_NSTATES 0x0F 79 #define BUTTON_BTNPRESSED 0x40 80 #define BUTTON_UNKNOWN2 0x20 81 #define BUTTON_UNKNOWN3 0x10 82 #ifdef __REACTOS__ 83 #define BUTTON_BMCLICK 0x100 // ReactOS Need to up to wine! 84 #endif 85 86 #define BUTTON_NOTIFY_PARENT(hWnd, code) \ 87 do { /* Notify parent which has created this button control */ \ 88 TRACE("notification " #code " sent to hwnd=%p\n", GetParent(hWnd)); \ 89 SendMessageW(GetParent(hWnd), WM_COMMAND, \ 90 MAKEWPARAM(GetWindowLongPtrW((hWnd),GWLP_ID), (code)), \ 91 (LPARAM)(hWnd)); \ 92 } while(0) 93 94 static UINT BUTTON_CalcLabelRect( HWND hwnd, HDC hdc, RECT *rc ); 95 static void PB_Paint( HWND hwnd, HDC hDC, UINT action ); 96 static void CB_Paint( HWND hwnd, HDC hDC, UINT action ); 97 static void GB_Paint( HWND hwnd, HDC hDC, UINT action ); 98 static void UB_Paint( HWND hwnd, HDC hDC, UINT action ); 99 static void OB_Paint( HWND hwnd, HDC hDC, UINT action ); 100 static void BUTTON_CheckAutoRadioButton( HWND hwnd ); 101 102 #define MAX_BTN_TYPE 16 103 104 static const WORD maxCheckState[MAX_BTN_TYPE] = 105 { 106 BST_UNCHECKED, /* BS_PUSHBUTTON */ 107 BST_UNCHECKED, /* BS_DEFPUSHBUTTON */ 108 BST_CHECKED, /* BS_CHECKBOX */ 109 BST_CHECKED, /* BS_AUTOCHECKBOX */ 110 BST_CHECKED, /* BS_RADIOBUTTON */ 111 BST_INDETERMINATE, /* BS_3STATE */ 112 BST_INDETERMINATE, /* BS_AUTO3STATE */ 113 BST_UNCHECKED, /* BS_GROUPBOX */ 114 BST_UNCHECKED, /* BS_USERBUTTON */ 115 BST_CHECKED, /* BS_AUTORADIOBUTTON */ 116 BST_UNCHECKED, /* BS_PUSHBOX */ 117 BST_UNCHECKED /* BS_OWNERDRAW */ 118 }; 119 120 typedef void (*pfPaint)( HWND hwnd, HDC hdc, UINT action ); 121 122 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] = 123 { 124 PB_Paint, /* BS_PUSHBUTTON */ 125 PB_Paint, /* BS_DEFPUSHBUTTON */ 126 CB_Paint, /* BS_CHECKBOX */ 127 CB_Paint, /* BS_AUTOCHECKBOX */ 128 CB_Paint, /* BS_RADIOBUTTON */ 129 CB_Paint, /* BS_3STATE */ 130 CB_Paint, /* BS_AUTO3STATE */ 131 GB_Paint, /* BS_GROUPBOX */ 132 UB_Paint, /* BS_USERBUTTON */ 133 CB_Paint, /* BS_AUTORADIOBUTTON */ 134 NULL, /* BS_PUSHBOX */ 135 OB_Paint /* BS_OWNERDRAW */ 136 }; 137 138 /********************************************************************* 139 * button class descriptor 140 */ 141 static const WCHAR buttonW[] = {'B','u','t','t','o','n',0}; 142 const struct builtin_class_descr BUTTON_builtin_class = 143 { 144 buttonW, /* name */ 145 CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC, /* style */ 146 #ifdef __REACTOS__ 147 ButtonWndProcA, /* procA */ 148 ButtonWndProcW, /* procW */ 149 #else 150 WINPROC_BUTTON, /* proc */ 151 #endif 152 NB_EXTRA_BYTES, /* extra */ 153 IDC_ARROW, /* cursor */ 154 0 /* brush */ 155 }; 156 157 158 static inline LONG get_button_state( HWND hwnd ) 159 { 160 return GetWindowLongPtrW( hwnd, STATE_GWL_OFFSET ); 161 } 162 163 static inline void set_button_state( HWND hwnd, LONG state ) 164 { 165 SetWindowLongPtrW( hwnd, STATE_GWL_OFFSET, state ); 166 } 167 168 #ifdef __REACTOS__ 169 170 static __inline void set_ui_state( HWND hwnd, LONG flags ) 171 { 172 SetWindowLongPtrW( hwnd, UISTATE_GWL_OFFSET, flags ); 173 } 174 175 static __inline LONG get_ui_state( HWND hwnd ) 176 { 177 return GetWindowLongPtrW( hwnd, UISTATE_GWL_OFFSET ); 178 } 179 180 #endif /* __REACTOS__ */ 181 182 static inline HFONT get_button_font( HWND hwnd ) 183 { 184 return (HFONT)GetWindowLongPtrW( hwnd, HFONT_GWL_OFFSET ); 185 } 186 187 static inline void set_button_font( HWND hwnd, HFONT font ) 188 { 189 SetWindowLongPtrW( hwnd, HFONT_GWL_OFFSET, (LONG_PTR)font ); 190 } 191 192 static inline UINT get_button_type( LONG window_style ) 193 { 194 return (window_style & BS_TYPEMASK); 195 } 196 197 /* paint a button of any type */ 198 static inline void paint_button( HWND hwnd, LONG style, UINT action ) 199 { 200 if (btnPaintFunc[style] && IsWindowVisible(hwnd)) 201 { 202 HDC hdc = GetDC( hwnd ); 203 btnPaintFunc[style]( hwnd, hdc, action ); 204 ReleaseDC( hwnd, hdc ); 205 } 206 } 207 208 /* retrieve the button text; returned buffer must be freed by caller */ 209 static inline WCHAR *get_button_text( HWND hwnd ) 210 { 211 INT len = 512; 212 WCHAR *buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ); 213 if (buffer) InternalGetWindowText( hwnd, buffer, len + 1 ); 214 return buffer; 215 } 216 217 #ifdef __REACTOS__ 218 /* Retrieve the UI state for the control */ 219 static BOOL button_update_uistate(HWND hwnd, BOOL unicode) 220 { 221 LONG flags, prevflags; 222 223 if (unicode) 224 flags = DefWindowProcW(hwnd, WM_QUERYUISTATE, 0, 0); 225 else 226 flags = DefWindowProcA(hwnd, WM_QUERYUISTATE, 0, 0); 227 228 prevflags = get_ui_state(hwnd); 229 230 if (prevflags != flags) 231 { 232 set_ui_state(hwnd, flags); 233 return TRUE; 234 } 235 236 return FALSE; 237 } 238 #endif 239 240 /*********************************************************************** 241 * ButtonWndProc_common 242 */ 243 LRESULT WINAPI ButtonWndProc_common(HWND hWnd, UINT uMsg, 244 WPARAM wParam, LPARAM lParam, BOOL unicode ) 245 { 246 RECT rect; 247 POINT pt; 248 LONG style = GetWindowLongPtrW( hWnd, GWL_STYLE ); 249 UINT btn_type = get_button_type( style ); 250 LONG state; 251 HANDLE oldHbitmap; 252 #ifdef __REACTOS__ 253 PWND pWnd; 254 255 pWnd = ValidateHwnd(hWnd); 256 if (pWnd) 257 { 258 if (!pWnd->fnid) 259 { 260 NtUserSetWindowFNID(hWnd, FNID_BUTTON); 261 } 262 else 263 { 264 if (pWnd->fnid != FNID_BUTTON) 265 { 266 ERR("Wrong window class for Button! fnId 0x%x\n",pWnd->fnid); 267 return 0; 268 } 269 } 270 } 271 else 272 return 0; 273 #else 274 if (!IsWindow( hWnd )) return 0; 275 #endif 276 277 pt.x = (short)LOWORD(lParam); 278 pt.y = (short)HIWORD(lParam); 279 280 switch (uMsg) 281 { 282 case WM_GETDLGCODE: 283 switch(btn_type) 284 { 285 case BS_USERBUTTON: 286 case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON; 287 case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON; 288 case BS_RADIOBUTTON: 289 case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON; 290 case BS_GROUPBOX: return DLGC_STATIC; 291 default: return DLGC_BUTTON; 292 } 293 294 case WM_ENABLE: 295 paint_button( hWnd, btn_type, ODA_DRAWENTIRE ); 296 break; 297 298 case WM_CREATE: 299 if (btn_type >= MAX_BTN_TYPE) 300 return -1; /* abort */ 301 302 /* XP turns a BS_USERBUTTON into BS_PUSHBUTTON */ 303 if (btn_type == BS_USERBUTTON ) 304 { 305 style = (style & ~BS_TYPEMASK) | BS_PUSHBUTTON; 306 #ifdef __REACTOS__ 307 NtUserAlterWindowStyle(hWnd, GWL_STYLE, style ); 308 #else 309 WIN_SetStyle( hWnd, style, BS_TYPEMASK & ~style ); 310 #endif 311 } 312 set_button_state( hWnd, BST_UNCHECKED ); 313 #ifdef __REACTOS__ 314 button_update_uistate( hWnd, unicode ); 315 #endif 316 return 0; 317 318 #ifdef __REACTOS__ 319 case WM_NCDESTROY: 320 NtUserSetWindowFNID(hWnd, FNID_DESTROY); 321 case WM_DESTROY: 322 break; 323 #endif 324 325 case WM_ERASEBKGND: 326 if (btn_type == BS_OWNERDRAW) 327 { 328 HDC hdc = (HDC)wParam; 329 RECT rc; 330 HBRUSH hBrush; 331 HWND parent = GetParent(hWnd); 332 if (!parent) parent = hWnd; 333 #ifdef __REACTOS__ 334 hBrush = GetControlColor( parent, hWnd, hdc, WM_CTLCOLORBTN); 335 #else 336 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hdc, (LPARAM)hWnd); 337 if (!hBrush) /* did the app forget to call defwindowproc ? */ 338 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN, 339 (WPARAM)hdc, (LPARAM)hWnd); 340 #endif 341 GetClientRect(hWnd, &rc); 342 FillRect(hdc, &rc, hBrush); 343 } 344 return 1; 345 346 case WM_PRINTCLIENT: 347 case WM_PAINT: 348 { 349 PAINTSTRUCT ps; 350 HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps ); 351 if (btnPaintFunc[btn_type]) 352 { 353 int nOldMode = SetBkMode( hdc, OPAQUE ); 354 (btnPaintFunc[btn_type])( hWnd, hdc, ODA_DRAWENTIRE ); 355 SetBkMode(hdc, nOldMode); /* reset painting mode */ 356 } 357 if ( !wParam ) EndPaint( hWnd, &ps ); 358 break; 359 } 360 361 case WM_KEYDOWN: 362 if (wParam == VK_SPACE) 363 { 364 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 ); 365 set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED ); 366 SetCapture( hWnd ); 367 } 368 break; 369 370 case WM_LBUTTONDBLCLK: 371 if(style & BS_NOTIFY || 372 btn_type == BS_RADIOBUTTON || 373 btn_type == BS_USERBUTTON || 374 btn_type == BS_OWNERDRAW) 375 { 376 BUTTON_NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED); 377 break; 378 } 379 /* fall through */ 380 case WM_LBUTTONDOWN: 381 SetCapture( hWnd ); 382 SetFocus( hWnd ); 383 set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED ); 384 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 ); 385 break; 386 387 case WM_KEYUP: 388 if (wParam != VK_SPACE) 389 break; 390 /* fall through */ 391 case WM_LBUTTONUP: 392 #ifdef _REACTOS_ 393 BOOL TellParent = FALSE; //// ReactOS see note below. 394 #endif 395 state = get_button_state( hWnd ); 396 if (!(state & BUTTON_BTNPRESSED)) break; 397 state &= BUTTON_NSTATES; 398 set_button_state( hWnd, state ); 399 if (!(state & BST_PUSHED)) 400 { 401 ReleaseCapture(); 402 break; 403 } 404 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); 405 GetClientRect( hWnd, &rect ); 406 if (uMsg == WM_KEYUP || PtInRect( &rect, pt )) 407 { 408 state = get_button_state( hWnd ); 409 switch(btn_type) 410 { 411 case BS_AUTOCHECKBOX: 412 SendMessageW( hWnd, BM_SETCHECK, !(state & BST_CHECKED), 0 ); 413 break; 414 case BS_AUTORADIOBUTTON: 415 SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 ); 416 break; 417 case BS_AUTO3STATE: 418 SendMessageW( hWnd, BM_SETCHECK, 419 (state & BST_INDETERMINATE) ? 0 : ((state & 3) + 1), 0 ); 420 break; 421 } 422 #ifdef _REACTOS_ 423 TellParent = TRUE; // <---- Fix CORE-10194, Notify parent after capture is released. 424 #else 425 ReleaseCapture(); 426 BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED); 427 #endif 428 } 429 #ifdef _REACTOS_ 430 ReleaseCapture(); 431 if (TellParent) BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED); 432 #else 433 else 434 { 435 ReleaseCapture(); 436 } 437 #endif 438 break; 439 440 case WM_CAPTURECHANGED: 441 TRACE("WM_CAPTURECHANGED %p\n", hWnd); 442 if (hWnd == (HWND)lParam) break; 443 state = get_button_state( hWnd ); 444 if (state & BUTTON_BTNPRESSED) 445 { 446 state &= BUTTON_NSTATES; 447 set_button_state( hWnd, state ); 448 if (state & BST_PUSHED) SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); 449 } 450 break; 451 452 case WM_MOUSEMOVE: 453 if ((wParam & MK_LBUTTON) && GetCapture() == hWnd) 454 { 455 GetClientRect( hWnd, &rect ); 456 SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 ); 457 } 458 break; 459 460 case WM_SETTEXT: 461 { 462 /* Clear an old text here as Windows does */ 463 // 464 // ReactOS Note : 465 // wine Bug: http://bugs.winehq.org/show_bug.cgi?id=25790 466 // Patch: http://source.winehq.org/patches/data/70889 467 // By: Alexander LAW, Replicate Windows behavior of WM_SETTEXT handler regarding WM_CTLCOLOR* 468 // 469 #ifdef __REACTOS__ 470 if (style & WS_VISIBLE) 471 #else 472 if (IsWindowVisible(hWnd)) 473 #endif 474 { 475 HDC hdc = GetDC(hWnd); 476 HBRUSH hbrush; 477 RECT client, rc; 478 HWND parent = GetParent(hWnd); 479 UINT message = (btn_type == BS_PUSHBUTTON || 480 btn_type == BS_DEFPUSHBUTTON || 481 btn_type == BS_PUSHLIKE || 482 btn_type == BS_USERBUTTON || 483 btn_type == BS_OWNERDRAW) ? 484 WM_CTLCOLORBTN : WM_CTLCOLORSTATIC; 485 486 if (!parent) parent = hWnd; 487 #ifdef __REACTOS__ 488 hbrush = GetControlColor(parent, hWnd, hdc, message); 489 #else 490 hbrush = (HBRUSH)SendMessageW(parent, message, 491 (WPARAM)hdc, (LPARAM)hWnd); 492 if (!hbrush) /* did the app forget to call DefWindowProc ? */ 493 hbrush = (HBRUSH)DefWindowProcW(parent, message, 494 (WPARAM)hdc, (LPARAM)hWnd); 495 #endif 496 497 GetClientRect(hWnd, &client); 498 rc = client; 499 /* FIXME: check other BS_* handlers */ 500 if (btn_type == BS_GROUPBOX) 501 InflateRect(&rc, -7, 1); /* GB_Paint does this */ 502 BUTTON_CalcLabelRect(hWnd, hdc, &rc); 503 /* Clip by client rect bounds */ 504 if (rc.right > client.right) rc.right = client.right; 505 if (rc.bottom > client.bottom) rc.bottom = client.bottom; 506 FillRect(hdc, &rc, hbrush); 507 ReleaseDC(hWnd, hdc); 508 } 509 510 if (unicode) DefWindowProcW( hWnd, WM_SETTEXT, wParam, lParam ); 511 else DefWindowProcA( hWnd, WM_SETTEXT, wParam, lParam ); 512 if (btn_type == BS_GROUPBOX) /* Yes, only for BS_GROUPBOX */ 513 InvalidateRect( hWnd, NULL, TRUE ); 514 else 515 paint_button( hWnd, btn_type, ODA_DRAWENTIRE ); 516 return 1; /* success. FIXME: check text length */ 517 } 518 519 case WM_SETFONT: 520 set_button_font( hWnd, (HFONT)wParam ); 521 if (lParam) InvalidateRect(hWnd, NULL, TRUE); 522 break; 523 524 case WM_GETFONT: 525 return (LRESULT)get_button_font( hWnd ); 526 527 case WM_SETFOCUS: 528 TRACE("WM_SETFOCUS %p\n",hWnd); 529 set_button_state( hWnd, get_button_state(hWnd) | BST_FOCUS ); 530 paint_button( hWnd, btn_type, ODA_FOCUS ); 531 if (style & BS_NOTIFY) 532 BUTTON_NOTIFY_PARENT(hWnd, BN_SETFOCUS); 533 break; 534 535 case WM_KILLFOCUS: 536 TRACE("WM_KILLFOCUS %p\n",hWnd); 537 state = get_button_state( hWnd ); 538 set_button_state( hWnd, state & ~BST_FOCUS ); 539 paint_button( hWnd, btn_type, ODA_FOCUS ); 540 541 if ((state & BUTTON_BTNPRESSED) && GetCapture() == hWnd) 542 ReleaseCapture(); 543 if (style & BS_NOTIFY) 544 BUTTON_NOTIFY_PARENT(hWnd, BN_KILLFOCUS); 545 546 InvalidateRect( hWnd, NULL, FALSE ); 547 break; 548 549 case WM_SYSCOLORCHANGE: 550 InvalidateRect( hWnd, NULL, FALSE ); 551 break; 552 553 case BM_SETSTYLE: 554 btn_type = wParam & BS_TYPEMASK; 555 style = (style & ~BS_TYPEMASK) | btn_type; 556 #ifdef __REACTOS__ 557 NtUserAlterWindowStyle(hWnd, GWL_STYLE, style); 558 #else 559 WIN_SetStyle( hWnd, style, BS_TYPEMASK & ~style ); 560 #endif 561 562 /* Only redraw if lParam flag is set.*/ 563 if (lParam) 564 InvalidateRect( hWnd, NULL, TRUE ); 565 566 break; 567 568 case BM_CLICK: 569 #ifdef __REACTOS__ 570 state = get_button_state(hWnd); 571 if (state & BUTTON_BMCLICK) 572 break; 573 set_button_state(hWnd, state | BUTTON_BMCLICK); // Tracked in STATE_GWL_OFFSET. 574 #endif 575 SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 ); 576 SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 ); 577 #ifdef __REACTOS__ 578 state = get_button_state(hWnd); 579 if (!(state & BUTTON_BMCLICK)) break; 580 state &= ~BUTTON_BMCLICK; 581 set_button_state(hWnd, state); 582 #endif 583 break; 584 585 case BM_SETIMAGE: 586 /* Check that image format matches button style */ 587 switch (style & (BS_BITMAP|BS_ICON)) 588 { 589 case BS_BITMAP: 590 if (wParam != IMAGE_BITMAP) return 0; 591 break; 592 case BS_ICON: 593 if (wParam != IMAGE_ICON) return 0; 594 break; 595 default: 596 return 0; 597 } 598 oldHbitmap = (HBITMAP)SetWindowLongPtrW( hWnd, HIMAGE_GWL_OFFSET, lParam ); 599 InvalidateRect( hWnd, NULL, FALSE ); 600 return (LRESULT)oldHbitmap; 601 602 case BM_GETIMAGE: 603 return GetWindowLongPtrW( hWnd, HIMAGE_GWL_OFFSET ); 604 605 case BM_GETCHECK: 606 return get_button_state( hWnd ) & 3; 607 608 case BM_SETCHECK: 609 if (wParam > maxCheckState[btn_type]) wParam = maxCheckState[btn_type]; 610 state = get_button_state( hWnd ); 611 if ((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON)) 612 { 613 #ifdef __REACTOS__ 614 if (wParam) style |= WS_TABSTOP; 615 else style &= ~WS_TABSTOP; 616 NtUserAlterWindowStyle(hWnd, GWL_STYLE, style); 617 #else 618 if (wParam) WIN_SetStyle( hWnd, WS_TABSTOP, 0 ); 619 else WIN_SetStyle( hWnd, 0, WS_TABSTOP ); 620 #endif 621 } 622 if ((state & 3) != wParam) 623 { 624 set_button_state( hWnd, (state & ~3) | wParam ); 625 paint_button( hWnd, btn_type, ODA_SELECT ); 626 } 627 if ((btn_type == BS_AUTORADIOBUTTON) && (wParam == BST_CHECKED) && (style & WS_CHILD)) 628 BUTTON_CheckAutoRadioButton( hWnd ); 629 break; 630 631 case BM_GETSTATE: 632 return get_button_state( hWnd ); 633 634 case BM_SETSTATE: 635 state = get_button_state( hWnd ); 636 if (wParam) 637 set_button_state( hWnd, state | BST_PUSHED ); 638 else 639 set_button_state( hWnd, state & ~BST_PUSHED ); 640 641 paint_button( hWnd, btn_type, ODA_SELECT ); 642 break; 643 644 #ifdef __REACTOS__ 645 case WM_UPDATEUISTATE: 646 if (unicode) 647 DefWindowProcW(hWnd, uMsg, wParam, lParam); 648 else 649 DefWindowProcA(hWnd, uMsg, wParam, lParam); 650 651 if (button_update_uistate(hWnd, unicode)) 652 paint_button( hWnd, btn_type, ODA_DRAWENTIRE ); 653 break; 654 #endif 655 656 case WM_NCHITTEST: 657 if(btn_type == BS_GROUPBOX) return HTTRANSPARENT; 658 /* fall through */ 659 default: 660 return unicode ? DefWindowProcW(hWnd, uMsg, wParam, lParam) : 661 DefWindowProcA(hWnd, uMsg, wParam, lParam); 662 } 663 return 0; 664 } 665 666 #ifdef __REACTOS__ 667 668 /*********************************************************************** 669 * ButtonWndProcW 670 * The button window procedure. This is just a wrapper which locks 671 * the passed HWND and calls the real window procedure (with a WND* 672 * pointer pointing to the locked windowstructure). 673 */ 674 LRESULT WINAPI ButtonWndProcW(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 675 { 676 if (!IsWindow(hWnd)) return 0; 677 return ButtonWndProc_common(hWnd, uMsg, wParam, lParam, TRUE); 678 } 679 680 /*********************************************************************** 681 * ButtonWndProcA 682 */ 683 LRESULT WINAPI ButtonWndProcA(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 684 { 685 if (!IsWindow(hWnd)) return 0; 686 return ButtonWndProc_common(hWnd, uMsg, wParam, lParam, FALSE); 687 } 688 689 #endif /* __REACTOS__ */ 690 691 /********************************************************************** 692 * Convert button styles to flags used by DrawText. 693 */ 694 static UINT BUTTON_BStoDT( DWORD style, DWORD ex_style ) 695 { 696 UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */ 697 698 /* "Convert" pushlike buttons to pushbuttons */ 699 if (style & BS_PUSHLIKE) 700 style &= ~BS_TYPEMASK; 701 702 if (!(style & BS_MULTILINE)) 703 dtStyle |= DT_SINGLELINE; 704 else 705 dtStyle |= DT_WORDBREAK; 706 707 switch (style & BS_CENTER) 708 { 709 case BS_LEFT: /* DT_LEFT is 0 */ break; 710 case BS_RIGHT: dtStyle |= DT_RIGHT; break; 711 case BS_CENTER: dtStyle |= DT_CENTER; break; 712 default: 713 /* Pushbutton's text is centered by default */ 714 if (get_button_type(style) <= BS_DEFPUSHBUTTON) dtStyle |= DT_CENTER; 715 /* all other flavours have left aligned text */ 716 } 717 718 if (ex_style & WS_EX_RIGHT) dtStyle = DT_RIGHT | (dtStyle & ~(DT_LEFT | DT_CENTER)); 719 720 /* DrawText ignores vertical alignment for multiline text, 721 * but we use these flags to align label manually. 722 */ 723 if (get_button_type(style) != BS_GROUPBOX) 724 { 725 switch (style & BS_VCENTER) 726 { 727 case BS_TOP: /* DT_TOP is 0 */ break; 728 case BS_BOTTOM: dtStyle |= DT_BOTTOM; break; 729 case BS_VCENTER: /* fall through */ 730 default: dtStyle |= DT_VCENTER; break; 731 } 732 } 733 else 734 /* GroupBox's text is always single line and is top aligned. */ 735 dtStyle |= DT_SINGLELINE; 736 737 return dtStyle; 738 } 739 740 /********************************************************************** 741 * BUTTON_CalcLabelRect 742 * 743 * Calculates label's rectangle depending on button style. 744 * 745 * Returns flags to be passed to DrawText. 746 * Calculated rectangle doesn't take into account button state 747 * (pushed, etc.). If there is nothing to draw (no text/image) output 748 * rectangle is empty, and return value is (UINT)-1. 749 */ 750 static UINT BUTTON_CalcLabelRect(HWND hwnd, HDC hdc, RECT *rc) 751 { 752 LONG style = GetWindowLongPtrW( hwnd, GWL_STYLE ); 753 LONG ex_style = GetWindowLongPtrW( hwnd, GWL_EXSTYLE ); 754 WCHAR *text; 755 ICONINFO iconInfo; 756 BITMAP bm; 757 UINT dtStyle = BUTTON_BStoDT( style, ex_style ); 758 RECT r = *rc; 759 INT n; 760 761 /* Calculate label rectangle according to label type */ 762 switch (style & (BS_ICON|BS_BITMAP)) 763 { 764 case BS_TEXT: 765 { 766 HFONT hFont, hPrevFont = 0; 767 768 if (!(text = get_button_text( hwnd ))) goto empty_rect; 769 if (!text[0]) 770 { 771 HeapFree( GetProcessHeap(), 0, text ); 772 goto empty_rect; 773 } 774 775 if ((hFont = get_button_font( hwnd ))) hPrevFont = SelectObject( hdc, hFont ); 776 DrawTextW(hdc, text, -1, &r, dtStyle | DT_CALCRECT); 777 if (hPrevFont) SelectObject( hdc, hPrevFont ); 778 HeapFree( GetProcessHeap(), 0, text ); 779 #ifdef __REACTOS__ 780 if (get_ui_state(hwnd) & UISF_HIDEACCEL) 781 dtStyle |= DT_HIDEPREFIX; 782 #endif 783 break; 784 } 785 786 case BS_ICON: 787 if (!GetIconInfo((HICON)GetWindowLongPtrW( hwnd, HIMAGE_GWL_OFFSET ), &iconInfo)) 788 goto empty_rect; 789 790 GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm); 791 792 r.right = r.left + bm.bmWidth; 793 r.bottom = r.top + bm.bmHeight; 794 795 DeleteObject(iconInfo.hbmColor); 796 DeleteObject(iconInfo.hbmMask); 797 break; 798 799 case BS_BITMAP: 800 if (!GetObjectW( (HANDLE)GetWindowLongPtrW( hwnd, HIMAGE_GWL_OFFSET ), sizeof(BITMAP), &bm)) 801 goto empty_rect; 802 803 r.right = r.left + bm.bmWidth; 804 r.bottom = r.top + bm.bmHeight; 805 break; 806 807 default: 808 empty_rect: 809 rc->right = r.left; 810 rc->bottom = r.top; 811 return (UINT)-1; 812 } 813 814 /* Position label inside bounding rectangle according to 815 * alignment flags. (calculated rect is always left-top aligned). 816 * If label is aligned to any side - shift label in opposite 817 * direction to leave extra space for focus rectangle. 818 */ 819 switch (dtStyle & (DT_CENTER|DT_RIGHT)) 820 { 821 case DT_LEFT: r.left++; r.right++; break; 822 case DT_CENTER: n = r.right - r.left; 823 r.left = rc->left + ((rc->right - rc->left) - n) / 2; 824 r.right = r.left + n; break; 825 case DT_RIGHT: n = r.right - r.left; 826 r.right = rc->right - 1; 827 r.left = r.right - n; 828 break; 829 } 830 831 switch (dtStyle & (DT_VCENTER|DT_BOTTOM)) 832 { 833 case DT_TOP: r.top++; r.bottom++; break; 834 case DT_VCENTER: n = r.bottom - r.top; 835 r.top = rc->top + ((rc->bottom - rc->top) - n) / 2; 836 r.bottom = r.top + n; break; 837 case DT_BOTTOM: n = r.bottom - r.top; 838 r.bottom = rc->bottom - 1; 839 r.top = r.bottom - n; 840 break; 841 } 842 843 *rc = r; 844 return dtStyle; 845 } 846 847 848 /********************************************************************** 849 * BUTTON_DrawTextCallback 850 * 851 * Callback function used by DrawStateW function. 852 */ 853 static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy) 854 { 855 RECT rc; 856 857 SetRect(&rc, 0, 0, cx, cy); 858 DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp); 859 return TRUE; 860 } 861 862 863 /********************************************************************** 864 * BUTTON_DrawLabel 865 * 866 * Common function for drawing button label. 867 */ 868 static void BUTTON_DrawLabel(HWND hwnd, HDC hdc, UINT dtFlags, const RECT *rc) 869 { 870 DRAWSTATEPROC lpOutputProc = NULL; 871 LPARAM lp; 872 WPARAM wp = 0; 873 HBRUSH hbr = 0; 874 UINT flags = IsWindowEnabled(hwnd) ? DSS_NORMAL : DSS_DISABLED; 875 LONG state = get_button_state( hwnd ); 876 LONG style = GetWindowLongPtrW( hwnd, GWL_STYLE ); 877 WCHAR *text = NULL; 878 879 /* FIXME: To draw disabled label in Win31 look-and-feel, we probably 880 * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION). 881 * I don't have Win31 on hand to verify that, so I leave it as is. 882 */ 883 884 if ((style & BS_PUSHLIKE) && (state & BST_INDETERMINATE)) 885 { 886 hbr = GetSysColorBrush(COLOR_GRAYTEXT); 887 flags |= DSS_MONO; 888 } 889 890 switch (style & (BS_ICON|BS_BITMAP)) 891 { 892 case BS_TEXT: 893 /* DST_COMPLEX -- is 0 */ 894 lpOutputProc = BUTTON_DrawTextCallback; 895 if (!(text = get_button_text( hwnd ))) return; 896 lp = (LPARAM)text; 897 wp = (WPARAM)dtFlags; 898 899 #ifdef __REACTOS__ 900 if (dtFlags & DT_HIDEPREFIX) 901 flags |= DSS_HIDEPREFIX; 902 #endif 903 break; 904 905 case BS_ICON: 906 flags |= DST_ICON; 907 lp = GetWindowLongPtrW( hwnd, HIMAGE_GWL_OFFSET ); 908 break; 909 910 case BS_BITMAP: 911 flags |= DST_BITMAP; 912 lp = GetWindowLongPtrW( hwnd, HIMAGE_GWL_OFFSET ); 913 break; 914 915 default: 916 return; 917 } 918 919 DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top, 920 rc->right - rc->left, rc->bottom - rc->top, flags); 921 HeapFree( GetProcessHeap(), 0, text ); 922 } 923 924 /********************************************************************** 925 * Push Button Functions 926 */ 927 static void PB_Paint( HWND hwnd, HDC hDC, UINT action ) 928 { 929 RECT rc, r; 930 UINT dtFlags, uState; 931 HPEN hOldPen; 932 HBRUSH hOldBrush; 933 INT oldBkMode; 934 COLORREF oldTxtColor; 935 HFONT hFont; 936 LONG state = get_button_state( hwnd ); 937 LONG style = GetWindowLongPtrW( hwnd, GWL_STYLE ); 938 BOOL pushedState = (state & BST_PUSHED); 939 HWND parent; 940 HRGN hrgn; 941 942 GetClientRect( hwnd, &rc ); 943 944 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */ 945 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); 946 parent = GetParent(hwnd); 947 if (!parent) parent = hwnd; 948 #ifdef __REACTOS__ 949 GetControlColor( parent, hwnd, hDC, WM_CTLCOLORBTN); 950 #else 951 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd ); 952 #endif 953 954 hrgn = set_control_clipping( hDC, &rc ); 955 #ifdef __REACTOS__ 956 hOldPen = SelectObject(hDC, GetStockObject(DC_PEN)); 957 SetDCPenColor(hDC, GetSysColor(COLOR_WINDOWFRAME)); 958 #else 959 hOldPen = SelectObject(hDC, SYSCOLOR_GetPen(COLOR_WINDOWFRAME)); 960 #endif 961 hOldBrush = SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE)); 962 oldBkMode = SetBkMode(hDC, TRANSPARENT); 963 964 if (get_button_type(style) == BS_DEFPUSHBUTTON) 965 { 966 if (action != ODA_FOCUS) 967 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom); 968 InflateRect( &rc, -1, -1 ); 969 } 970 971 /* completely skip the drawing if only focus has changed */ 972 if (action == ODA_FOCUS) goto draw_focus; 973 974 uState = DFCS_BUTTONPUSH; 975 976 if (style & BS_FLAT) 977 uState |= DFCS_MONO; 978 else if (pushedState) 979 { 980 if (get_button_type(style) == BS_DEFPUSHBUTTON ) 981 uState |= DFCS_FLAT; 982 else 983 uState |= DFCS_PUSHED; 984 } 985 986 if (state & (BST_CHECKED | BST_INDETERMINATE)) 987 uState |= DFCS_CHECKED; 988 989 DrawFrameControl( hDC, &rc, DFC_BUTTON, uState ); 990 991 /* draw button label */ 992 r = rc; 993 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &r); 994 995 if (dtFlags == (UINT)-1L) 996 goto cleanup; 997 998 if (pushedState) 999 OffsetRect(&r, 1, 1); 1000 1001 oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) ); 1002 1003 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &r); 1004 1005 SetTextColor( hDC, oldTxtColor ); 1006 1007 draw_focus: 1008 if (action == ODA_FOCUS || (state & BST_FOCUS)) 1009 { 1010 #ifdef __REACTOS__ 1011 if (!(get_ui_state(hwnd) & UISF_HIDEFOCUS)) 1012 { 1013 #endif 1014 InflateRect( &rc, -2, -2 ); 1015 DrawFocusRect( hDC, &rc ); 1016 #ifdef __REACTOS__ 1017 } 1018 #endif 1019 } 1020 1021 cleanup: 1022 SelectObject( hDC, hOldPen ); 1023 SelectObject( hDC, hOldBrush ); 1024 SetBkMode(hDC, oldBkMode); 1025 SelectClipRgn( hDC, hrgn ); 1026 if (hrgn) DeleteObject( hrgn ); 1027 } 1028 1029 /********************************************************************** 1030 * Check Box & Radio Button Functions 1031 */ 1032 1033 static void CB_Paint( HWND hwnd, HDC hDC, UINT action ) 1034 { 1035 RECT rbox, rtext, client; 1036 HBRUSH hBrush; 1037 int delta, text_offset, checkBoxWidth, checkBoxHeight; 1038 UINT dtFlags; 1039 HFONT hFont; 1040 LONG state = get_button_state( hwnd ); 1041 LONG style = GetWindowLongPtrW( hwnd, GWL_STYLE ); 1042 LONG ex_style = GetWindowLongW( hwnd, GWL_EXSTYLE ); 1043 HWND parent; 1044 HRGN hrgn; 1045 1046 if (style & BS_PUSHLIKE) 1047 { 1048 PB_Paint( hwnd, hDC, action ); 1049 return; 1050 } 1051 1052 GetClientRect(hwnd, &client); 1053 rbox = rtext = client; 1054 1055 checkBoxWidth = 12 * GetDeviceCaps( hDC, LOGPIXELSX ) / 96 + 1; 1056 checkBoxHeight = 12 * GetDeviceCaps( hDC, LOGPIXELSY ) / 96 + 1; 1057 1058 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); 1059 GetCharWidthW( hDC, '0', '0', &text_offset ); 1060 text_offset /= 2; 1061 1062 parent = GetParent(hwnd); 1063 if (!parent) parent = hwnd; 1064 #ifdef __REACTOS__ 1065 hBrush = GetControlColor(parent, hwnd, hDC, WM_CTLCOLORSTATIC); 1066 #else 1067 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, 1068 (WPARAM)hDC, (LPARAM)hwnd); 1069 if (!hBrush) /* did the app forget to call defwindowproc ? */ 1070 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, 1071 (WPARAM)hDC, (LPARAM)hwnd ); 1072 #endif 1073 hrgn = set_control_clipping( hDC, &client ); 1074 1075 if (style & BS_LEFTTEXT || ex_style & WS_EX_RIGHT) 1076 { 1077 /* magic +4 is what CTL3D expects */ 1078 1079 rtext.right -= checkBoxWidth + text_offset;; 1080 rbox.left = rbox.right - checkBoxWidth; 1081 } 1082 else 1083 { 1084 rtext.left += checkBoxWidth + text_offset;; 1085 rbox.right = checkBoxWidth; 1086 } 1087 1088 /* Since WM_ERASEBKGND does nothing, first prepare background */ 1089 if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush ); 1090 if (action == ODA_DRAWENTIRE) FillRect( hDC, &client, hBrush ); 1091 1092 /* Draw label */ 1093 client = rtext; 1094 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rtext); 1095 1096 /* Only adjust rbox when rtext is valid */ 1097 if (dtFlags != (UINT)-1L) 1098 { 1099 rbox.top = rtext.top; 1100 rbox.bottom = rtext.bottom; 1101 } 1102 1103 /* Draw the check-box bitmap */ 1104 if (action == ODA_DRAWENTIRE || action == ODA_SELECT) 1105 { 1106 UINT flags; 1107 1108 if ((get_button_type(style) == BS_RADIOBUTTON) || 1109 (get_button_type(style) == BS_AUTORADIOBUTTON)) flags = DFCS_BUTTONRADIO; 1110 else if (state & BST_INDETERMINATE) flags = DFCS_BUTTON3STATE; 1111 else flags = DFCS_BUTTONCHECK; 1112 1113 if (state & (BST_CHECKED | BST_INDETERMINATE)) flags |= DFCS_CHECKED; 1114 if (state & BST_PUSHED) flags |= DFCS_PUSHED; 1115 1116 if (style & WS_DISABLED) flags |= DFCS_INACTIVE; 1117 1118 /* rbox must have the correct height */ 1119 delta = rbox.bottom - rbox.top - checkBoxHeight; 1120 1121 if (style & BS_TOP) { 1122 if (delta > 0) { 1123 rbox.bottom = rbox.top + checkBoxHeight; 1124 } else { 1125 rbox.top -= -delta/2 + 1; 1126 rbox.bottom = rbox.top + checkBoxHeight; 1127 } 1128 } else if (style & BS_BOTTOM) { 1129 if (delta > 0) { 1130 rbox.top = rbox.bottom - checkBoxHeight; 1131 } else { 1132 rbox.bottom += -delta/2 + 1; 1133 rbox.top = rbox.bottom - checkBoxHeight; 1134 } 1135 } else { /* Default */ 1136 if (delta > 0) { 1137 int ofs = (delta / 2); 1138 rbox.bottom -= ofs + 1; 1139 rbox.top = rbox.bottom - checkBoxHeight; 1140 } else if (delta < 0) { 1141 int ofs = (-delta / 2); 1142 rbox.top -= ofs + 1; 1143 rbox.bottom = rbox.top + checkBoxHeight; 1144 } 1145 } 1146 1147 DrawFrameControl( hDC, &rbox, DFC_BUTTON, flags ); 1148 } 1149 1150 if (dtFlags == (UINT)-1L) /* Noting to draw */ 1151 return; 1152 1153 if (action == ODA_DRAWENTIRE) 1154 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rtext); 1155 1156 /* ... and focus */ 1157 if (action == ODA_FOCUS || (state & BST_FOCUS)) 1158 { 1159 #ifdef __REACTOS__ 1160 if (!(get_ui_state(hwnd) & UISF_HIDEFOCUS)) 1161 { 1162 #endif 1163 rtext.left--; 1164 rtext.right++; 1165 IntersectRect(&rtext, &rtext, &client); 1166 DrawFocusRect( hDC, &rtext ); 1167 #ifdef __REACTOS__ 1168 } 1169 #endif 1170 } 1171 SelectClipRgn( hDC, hrgn ); 1172 if (hrgn) DeleteObject( hrgn ); 1173 } 1174 1175 1176 /********************************************************************** 1177 * BUTTON_CheckAutoRadioButton 1178 * 1179 * hwnd is checked, uncheck every other auto radio button in group 1180 */ 1181 static void BUTTON_CheckAutoRadioButton( HWND hwnd ) 1182 { 1183 HWND parent, sibling, start; 1184 1185 parent = GetParent(hwnd); 1186 /* make sure that starting control is not disabled or invisible */ 1187 start = sibling = GetNextDlgGroupItem( parent, hwnd, TRUE ); 1188 do 1189 { 1190 if (!sibling) break; 1191 if ((hwnd != sibling) && 1192 ((GetWindowLongPtrW( sibling, GWL_STYLE) & BS_TYPEMASK) == BS_AUTORADIOBUTTON)) 1193 SendMessageW( sibling, BM_SETCHECK, BST_UNCHECKED, 0 ); 1194 sibling = GetNextDlgGroupItem( parent, sibling, FALSE ); 1195 } while (sibling != start); 1196 } 1197 1198 1199 /********************************************************************** 1200 * Group Box Functions 1201 */ 1202 1203 static void GB_Paint( HWND hwnd, HDC hDC, UINT action ) 1204 { 1205 RECT rc, rcFrame; 1206 HBRUSH hbr; 1207 HFONT hFont; 1208 UINT dtFlags; 1209 TEXTMETRICW tm; 1210 LONG style = GetWindowLongPtrW( hwnd, GWL_STYLE ); 1211 HWND parent; 1212 HRGN hrgn; 1213 1214 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); 1215 /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */ 1216 parent = GetParent(hwnd); 1217 if (!parent) parent = hwnd; 1218 #ifdef __REACTOS__ 1219 hbr = GetControlColor(parent, hwnd, hDC, WM_CTLCOLORSTATIC); 1220 #else 1221 hbr = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)hwnd); 1222 if (!hbr) /* did the app forget to call defwindowproc ? */ 1223 hbr = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, 1224 (WPARAM)hDC, (LPARAM)hwnd); 1225 #endif 1226 GetClientRect( hwnd, &rc); 1227 rcFrame = rc; 1228 hrgn = set_control_clipping( hDC, &rc ); 1229 1230 GetTextMetricsW (hDC, &tm); 1231 rcFrame.top += (tm.tmHeight / 2) - 1; 1232 DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | ((style & BS_FLAT) ? BF_FLAT : 0)); 1233 1234 InflateRect(&rc, -7, 1); 1235 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rc); 1236 1237 if (dtFlags != (UINT)-1L) 1238 { 1239 /* Because buttons have CS_PARENTDC class style, there is a chance 1240 * that label will be drawn out of client rect. 1241 * But Windows doesn't clip label's rect, so do I. 1242 */ 1243 1244 /* There is 1-pixel margin at the left, right, and bottom */ 1245 rc.left--; rc.right++; rc.bottom++; 1246 FillRect(hDC, &rc, hbr); 1247 rc.left++; rc.right--; rc.bottom--; 1248 1249 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rc); 1250 } 1251 SelectClipRgn( hDC, hrgn ); 1252 if (hrgn) DeleteObject( hrgn ); 1253 } 1254 1255 1256 /********************************************************************** 1257 * User Button Functions 1258 */ 1259 1260 static void UB_Paint( HWND hwnd, HDC hDC, UINT action ) 1261 { 1262 RECT rc; 1263 HBRUSH hBrush; 1264 HFONT hFont; 1265 LONG state = get_button_state( hwnd ); 1266 HWND parent; 1267 1268 GetClientRect( hwnd, &rc); 1269 1270 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); 1271 1272 parent = GetParent(hwnd); 1273 if (!parent) parent = hwnd; 1274 #ifdef __REACTOS__ 1275 hBrush = GetControlColor( parent, hwnd, hDC, WM_CTLCOLORBTN); 1276 #else 1277 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd); 1278 if (!hBrush) /* did the app forget to call defwindowproc ? */ 1279 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN, 1280 (WPARAM)hDC, (LPARAM)hwnd); 1281 #endif 1282 1283 FillRect( hDC, &rc, hBrush ); 1284 if (action == ODA_FOCUS || (state & BST_FOCUS)) 1285 #ifdef __REACTOS__ 1286 { 1287 if (!(get_ui_state(hwnd) & UISF_HIDEFOCUS)) 1288 #endif 1289 DrawFocusRect( hDC, &rc ); 1290 #ifdef __REACTOS__ 1291 } 1292 #endif 1293 1294 switch (action) 1295 { 1296 case ODA_FOCUS: 1297 BUTTON_NOTIFY_PARENT( hwnd, (state & BST_FOCUS) ? BN_SETFOCUS : BN_KILLFOCUS ); 1298 break; 1299 1300 case ODA_SELECT: 1301 BUTTON_NOTIFY_PARENT( hwnd, (state & BST_PUSHED) ? BN_HILITE : BN_UNHILITE ); 1302 break; 1303 1304 default: 1305 BUTTON_NOTIFY_PARENT( hwnd, BN_PAINT ); 1306 break; 1307 } 1308 } 1309 1310 1311 /********************************************************************** 1312 * Ownerdrawn Button Functions 1313 */ 1314 1315 static void OB_Paint( HWND hwnd, HDC hDC, UINT action ) 1316 { 1317 LONG state = get_button_state( hwnd ); 1318 DRAWITEMSTRUCT dis; 1319 LONG_PTR id = GetWindowLongPtrW( hwnd, GWLP_ID ); 1320 HWND parent; 1321 HFONT hFont, hPrevFont = 0; 1322 HRGN hrgn; 1323 1324 dis.CtlType = ODT_BUTTON; 1325 dis.CtlID = id; 1326 dis.itemID = 0; 1327 dis.itemAction = action; 1328 dis.itemState = ((state & BST_FOCUS) ? ODS_FOCUS : 0) | 1329 ((state & BST_PUSHED) ? ODS_SELECTED : 0) | 1330 (IsWindowEnabled(hwnd) ? 0: ODS_DISABLED); 1331 dis.hwndItem = hwnd; 1332 dis.hDC = hDC; 1333 dis.itemData = 0; 1334 GetClientRect( hwnd, &dis.rcItem ); 1335 1336 if ((hFont = get_button_font( hwnd ))) hPrevFont = SelectObject( hDC, hFont ); 1337 parent = GetParent(hwnd); 1338 if (!parent) parent = hwnd; 1339 #ifdef __REACTOS__ 1340 GetControlColor( parent, hwnd, hDC, WM_CTLCOLORBTN); 1341 #else 1342 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd ); 1343 #endif 1344 1345 hrgn = set_control_clipping( hDC, &dis.rcItem ); 1346 1347 SendMessageW( GetParent(hwnd), WM_DRAWITEM, id, (LPARAM)&dis ); 1348 if (hPrevFont) SelectObject(hDC, hPrevFont); 1349 SelectClipRgn( hDC, hrgn ); 1350 if (hrgn) DeleteObject( hrgn ); 1351 } 1352