1 /* 2 * Trackbar control 3 * 4 * Copyright 1998, 1999 Eric Kohl 5 * Copyright 1998, 1999 Alex Priem 6 * Copyright 2002 Dimitrie O. Paun 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 23 #include <stdarg.h> 24 #include <stdio.h> 25 #include <stdlib.h> 26 #include <string.h> 27 #include <math.h> 28 29 #include "windef.h" 30 #include "winbase.h" 31 #include "wingdi.h" 32 #include "winuser.h" 33 #include "winnls.h" 34 #include "commctrl.h" 35 #include "uxtheme.h" 36 #include "vssym32.h" 37 #include "wine/debug.h" 38 39 #include "comctl32.h" 40 41 WINE_DEFAULT_DEBUG_CHANNEL(trackbar); 42 43 typedef struct 44 { 45 HWND hwndSelf; 46 DWORD dwStyle; 47 LONG lRangeMin; 48 LONG lRangeMax; 49 LONG lLineSize; 50 LONG lPageSize; 51 LONG lSelMin; 52 LONG lSelMax; 53 LONG lPos; 54 UINT uThumbLen; 55 UINT uNumTics; 56 UINT uTicFreq; 57 HWND hwndNotify; 58 HWND hwndToolTip; 59 HWND hwndBuddyLA; 60 HWND hwndBuddyRB; 61 INT fLocation; 62 DWORD flags; 63 BOOL bUnicode; 64 RECT rcChannel; 65 RECT rcSelection; 66 RECT rcThumb; 67 LPLONG tics; 68 } TRACKBAR_INFO; 69 70 #define TB_REFRESH_TIMER 1 71 #define TB_REFRESH_DELAY 500 72 73 #define TOOLTIP_OFFSET 2 /* distance from ctrl edge to tooltip */ 74 75 #define TB_DEFAULTPAGESIZE 20 76 77 /* Used by TRACKBAR_Refresh to find out which parts of the control 78 need to be recalculated */ 79 80 #define TB_THUMBPOSCHANGED 0x00000001 81 #define TB_THUMBSIZECHANGED 0x00000002 82 #define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBSIZECHANGED) 83 #define TB_SELECTIONCHANGED 0x00000004 84 #define TB_DRAG_MODE 0x00000008 /* we're dragging the slider */ 85 #define TB_AUTO_PAGE_LEFT 0x00000010 86 #define TB_AUTO_PAGE_RIGHT 0x00000020 87 #define TB_AUTO_PAGE (TB_AUTO_PAGE_LEFT | TB_AUTO_PAGE_RIGHT) 88 #define TB_THUMB_HOT 0x00000040 /* mouse hovers above thumb */ 89 90 /* Page was set with TBM_SETPAGESIZE */ 91 #define TB_USER_PAGE 0x00000080 92 #define TB_IS_FOCUSED 0x00000100 93 94 /* helper defines for TRACKBAR_DrawTic */ 95 #define TIC_EDGE 0x20 96 #define TIC_SELECTIONMARKMAX 0x80 97 #define TIC_SELECTIONMARKMIN 0x100 98 #define TIC_SELECTIONMARK (TIC_SELECTIONMARKMAX | TIC_SELECTIONMARKMIN) 99 100 static const WCHAR themeClass[] = { 'T','r','a','c','k','b','a','r',0 }; 101 102 static inline int 103 notify_customdraw (const TRACKBAR_INFO *infoPtr, NMCUSTOMDRAW *pnmcd, int stage) 104 { 105 pnmcd->dwDrawStage = stage; 106 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, 107 pnmcd->hdr.idFrom, (LPARAM)pnmcd); 108 } 109 110 static LRESULT notify_hdr (const TRACKBAR_INFO *infoPtr, INT code, LPNMHDR pnmh) 111 { 112 LRESULT result; 113 114 TRACE("(code=%d)\n", code); 115 116 pnmh->hwndFrom = infoPtr->hwndSelf; 117 pnmh->idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID); 118 pnmh->code = code; 119 result = SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, pnmh->idFrom, (LPARAM)pnmh); 120 121 TRACE(" <= %ld\n", result); 122 123 return result; 124 } 125 126 static inline int notify (const TRACKBAR_INFO *infoPtr, INT code) 127 { 128 NMHDR nmh; 129 return notify_hdr(infoPtr, code, &nmh); 130 } 131 132 static void notify_with_scroll (const TRACKBAR_INFO *infoPtr, UINT code) 133 { 134 UINT scroll = infoPtr->dwStyle & TBS_VERT ? WM_VSCROLL : WM_HSCROLL; 135 136 TRACE("%x\n", code); 137 138 SendMessageW (infoPtr->hwndNotify, scroll, code, (LPARAM)infoPtr->hwndSelf); 139 } 140 141 static void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr) 142 { 143 int tic; 144 unsigned nrTics, i; 145 146 if (infoPtr->uTicFreq && infoPtr->lRangeMax >= infoPtr->lRangeMin) { 147 nrTics=(infoPtr->lRangeMax - infoPtr->lRangeMin)/infoPtr->uTicFreq; 148 /* don't add extra tic if there's no remainder */ 149 if (nrTics && ((infoPtr->lRangeMax - infoPtr->lRangeMin) % infoPtr->uTicFreq == 0)) 150 nrTics--; 151 } 152 else { 153 Free (infoPtr->tics); 154 infoPtr->tics = NULL; 155 infoPtr->uNumTics = 0; 156 return; 157 } 158 159 if (nrTics != infoPtr->uNumTics) { 160 infoPtr->tics=ReAlloc (infoPtr->tics, 161 (nrTics+1)*sizeof (DWORD)); 162 if (!infoPtr->tics) { 163 infoPtr->uNumTics = 0; 164 notify(infoPtr, NM_OUTOFMEMORY); 165 return; 166 } 167 infoPtr->uNumTics = nrTics; 168 } 169 170 tic = infoPtr->lRangeMin + infoPtr->uTicFreq; 171 for (i = 0; i < nrTics; i++, tic += infoPtr->uTicFreq) 172 infoPtr->tics[i] = tic; 173 } 174 175 /* converts from physical (mouse) position to logical position 176 (in range of trackbar) */ 177 178 static inline LONG 179 TRACKBAR_ConvertPlaceToPosition (const TRACKBAR_INFO *infoPtr, int place) 180 { 181 double range, width, pos, offsetthumb; 182 183 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 184 if (infoPtr->dwStyle & TBS_VERT) { 185 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; 186 width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - (offsetthumb * 2) - 1; 187 pos = (range*(place - infoPtr->rcChannel.top - offsetthumb)) / width; 188 } else { 189 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 190 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - (offsetthumb * 2) - 1; 191 pos = (range*(place - infoPtr->rcChannel.left - offsetthumb)) / width; 192 } 193 pos += infoPtr->lRangeMin; 194 if (pos > infoPtr->lRangeMax) 195 pos = infoPtr->lRangeMax; 196 else if (pos < infoPtr->lRangeMin) 197 pos = infoPtr->lRangeMin; 198 199 TRACE("%.2f\n", pos); 200 return (LONG)floor(pos + 0.5); 201 } 202 203 204 /* return: 0> prev, 0 none, >0 next */ 205 static LONG 206 TRACKBAR_GetAutoPageDirection (const TRACKBAR_INFO *infoPtr, POINT clickPoint) 207 { 208 RECT pageRect; 209 210 if (infoPtr->dwStyle & TBS_VERT) { 211 pageRect.top = infoPtr->rcChannel.top; 212 pageRect.bottom = infoPtr->rcChannel.bottom; 213 pageRect.left = infoPtr->rcThumb.left; 214 pageRect.right = infoPtr->rcThumb.right; 215 } else { 216 pageRect.top = infoPtr->rcThumb.top; 217 pageRect.bottom = infoPtr->rcThumb.bottom; 218 pageRect.left = infoPtr->rcChannel.left; 219 pageRect.right = infoPtr->rcChannel.right; 220 } 221 222 223 if (PtInRect(&pageRect, clickPoint)) 224 { 225 int clickPlace = (infoPtr->dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x; 226 227 LONG clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace); 228 229 return clickPos - infoPtr->lPos; 230 } 231 232 return 0; 233 } 234 235 static inline void 236 TRACKBAR_PageDown (TRACKBAR_INFO *infoPtr) 237 { 238 if (infoPtr->lPos == infoPtr->lRangeMax) return; 239 240 infoPtr->lPos += infoPtr->lPageSize; 241 if (infoPtr->lPos > infoPtr->lRangeMax) 242 infoPtr->lPos = infoPtr->lRangeMax; 243 notify_with_scroll (infoPtr, TB_PAGEDOWN); 244 } 245 246 247 static inline void 248 TRACKBAR_PageUp (TRACKBAR_INFO *infoPtr) 249 { 250 if (infoPtr->lPos == infoPtr->lRangeMin) return; 251 252 infoPtr->lPos -= infoPtr->lPageSize; 253 if (infoPtr->lPos < infoPtr->lRangeMin) 254 infoPtr->lPos = infoPtr->lRangeMin; 255 notify_with_scroll (infoPtr, TB_PAGEUP); 256 } 257 258 static inline void TRACKBAR_LineUp(TRACKBAR_INFO *infoPtr) 259 { 260 if (infoPtr->lPos == infoPtr->lRangeMin) return; 261 infoPtr->lPos -= infoPtr->lLineSize; 262 if (infoPtr->lPos < infoPtr->lRangeMin) 263 infoPtr->lPos = infoPtr->lRangeMin; 264 notify_with_scroll (infoPtr, TB_LINEUP); 265 } 266 267 static inline void TRACKBAR_LineDown(TRACKBAR_INFO *infoPtr) 268 { 269 if (infoPtr->lPos == infoPtr->lRangeMax) return; 270 infoPtr->lPos += infoPtr->lLineSize; 271 if (infoPtr->lPos > infoPtr->lRangeMax) 272 infoPtr->lPos = infoPtr->lRangeMax; 273 notify_with_scroll (infoPtr, TB_LINEDOWN); 274 } 275 276 static void 277 TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr) 278 { 279 INT cyChannel, offsetthumb, offsetedge; 280 RECT lpRect, *channel = & infoPtr->rcChannel; 281 282 GetClientRect (infoPtr->hwndSelf, &lpRect); 283 284 offsetthumb = infoPtr->uThumbLen / 4; 285 offsetedge = offsetthumb + 3; 286 cyChannel = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4; 287 if (infoPtr->dwStyle & TBS_VERT) { 288 channel->top = lpRect.top + offsetedge; 289 channel->bottom = lpRect.bottom - offsetedge; 290 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) 291 channel->left = lpRect.left + ((infoPtr->uThumbLen - cyChannel + 2) / 2); 292 else 293 channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1; 294 if (infoPtr->dwStyle & TBS_BOTH) { 295 if (infoPtr->dwStyle & TBS_NOTICKS) 296 channel->left += 1; 297 else 298 channel->left += 9; 299 } 300 else if (infoPtr->dwStyle & TBS_TOP) { 301 if (infoPtr->dwStyle & TBS_NOTICKS) 302 channel->left += 2; 303 else 304 channel->left += 10; 305 } 306 channel->right = channel->left + cyChannel; 307 } else { 308 channel->left = lpRect.left + offsetedge; 309 channel->right = lpRect.right - offsetedge; 310 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) 311 channel->top = lpRect.top + ((infoPtr->uThumbLen - cyChannel + 2) / 2); 312 else 313 channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1; 314 if (infoPtr->dwStyle & TBS_BOTH) { 315 if (infoPtr->dwStyle & TBS_NOTICKS) 316 channel->top += 1; 317 else 318 channel->top += 9; 319 } 320 else if (infoPtr->dwStyle & TBS_TOP) { 321 if (infoPtr->dwStyle & TBS_NOTICKS) 322 channel->top += 2; 323 else 324 channel->top += 10; 325 } 326 channel->bottom = channel->top + cyChannel; 327 } 328 } 329 330 static void 331 TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb) 332 { 333 int range, width, height, thumbwidth; 334 RECT lpRect; 335 336 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 337 thumbwidth = (infoPtr->uThumbLen / 2) | 1; 338 339 if (!range) range = 1; 340 341 GetClientRect(infoPtr->hwndSelf, &lpRect); 342 if (infoPtr->dwStyle & TBS_VERT) 343 { 344 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth; 345 346 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_LEFT)) && !(infoPtr->dwStyle & TBS_NOTICKS)) 347 thumb->left = 10; 348 else 349 thumb->left = 2; 350 thumb->right = thumb->left + infoPtr->uThumbLen; 351 thumb->top = infoPtr->rcChannel.top + 352 (height*(lPos - infoPtr->lRangeMin))/range; 353 thumb->bottom = thumb->top + thumbwidth; 354 } 355 else 356 { 357 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - thumbwidth; 358 359 thumb->left = infoPtr->rcChannel.left + 360 (width*(lPos - infoPtr->lRangeMin))/range; 361 thumb->right = thumb->left + thumbwidth; 362 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_TOP)) && !(infoPtr->dwStyle & TBS_NOTICKS)) 363 thumb->top = 10; 364 else 365 thumb->top = 2; 366 thumb->bottom = thumb->top + infoPtr->uThumbLen; 367 } 368 } 369 370 static inline void 371 TRACKBAR_UpdateThumb (TRACKBAR_INFO *infoPtr) 372 { 373 TRACKBAR_CalcThumb(infoPtr, infoPtr->lPos, &infoPtr->rcThumb); 374 } 375 376 static inline void 377 TRACKBAR_InvalidateAll (const TRACKBAR_INFO *infoPtr) 378 { 379 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE); 380 } 381 382 static void 383 TRACKBAR_InvalidateThumb (const TRACKBAR_INFO *infoPtr, LONG thumbPos) 384 { 385 RECT rcThumb; 386 387 TRACKBAR_CalcThumb(infoPtr, thumbPos, &rcThumb); 388 InflateRect(&rcThumb, 1, 1); 389 InvalidateRect(infoPtr->hwndSelf, &rcThumb, FALSE); 390 } 391 392 static inline void 393 TRACKBAR_InvalidateThumbMove (const TRACKBAR_INFO *infoPtr, LONG oldPos, LONG newPos) 394 { 395 TRACKBAR_InvalidateThumb (infoPtr, oldPos); 396 if (newPos != oldPos) 397 TRACKBAR_InvalidateThumb (infoPtr, newPos); 398 } 399 400 static inline BOOL 401 TRACKBAR_HasSelection (const TRACKBAR_INFO *infoPtr) 402 { 403 return infoPtr->lSelMin != infoPtr->lSelMax; 404 } 405 406 static void 407 TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr) 408 { 409 RECT *selection = &infoPtr->rcSelection; 410 int range = infoPtr->lRangeMax - infoPtr->lRangeMin; 411 int offsetthumb, height, width; 412 413 if (range <= 0) { 414 SetRectEmpty (selection); 415 } else { 416 if (infoPtr->dwStyle & TBS_VERT) { 417 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; 418 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - offsetthumb*2; 419 selection->top = infoPtr->rcChannel.top + offsetthumb + 420 (height*infoPtr->lSelMin)/range; 421 selection->bottom = infoPtr->rcChannel.top + offsetthumb + 422 (height*infoPtr->lSelMax)/range; 423 selection->left = infoPtr->rcChannel.left + 3; 424 selection->right = infoPtr->rcChannel.right - 3; 425 } else { 426 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 427 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2; 428 selection->left = infoPtr->rcChannel.left + offsetthumb + 429 (width*infoPtr->lSelMin)/range; 430 selection->right = infoPtr->rcChannel.left + offsetthumb + 431 (width*infoPtr->lSelMax)/range; 432 selection->top = infoPtr->rcChannel.top + 3; 433 selection->bottom = infoPtr->rcChannel.bottom - 3; 434 } 435 } 436 437 TRACE("selection[%s]\n", wine_dbgstr_rect(selection)); 438 } 439 440 static BOOL 441 TRACKBAR_AutoPage (TRACKBAR_INFO *infoPtr, POINT clickPoint) 442 { 443 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint); 444 LONG prevPos = infoPtr->lPos; 445 446 TRACE("clickPoint=%s, dir=%d\n", wine_dbgstr_point(&clickPoint), dir); 447 448 if (dir > 0 && (infoPtr->flags & TB_AUTO_PAGE_RIGHT)) 449 TRACKBAR_PageDown(infoPtr); 450 else if (dir < 0 && (infoPtr->flags & TB_AUTO_PAGE_LEFT)) 451 TRACKBAR_PageUp(infoPtr); 452 else return FALSE; 453 454 TRACKBAR_UpdateThumb (infoPtr); 455 TRACKBAR_InvalidateThumbMove (infoPtr, prevPos, infoPtr->lPos); 456 457 return TRUE; 458 } 459 460 /* Trackbar drawing code. I like my spaghetti done milanese. */ 461 462 static void 463 TRACKBAR_DrawChannel (const TRACKBAR_INFO *infoPtr, HDC hdc) 464 { 465 RECT rcChannel = infoPtr->rcChannel; 466 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 467 468 if (theme) 469 { 470 DrawThemeBackground (theme, hdc, 471 (infoPtr->dwStyle & TBS_VERT) ? 472 TKP_TRACKVERT : TKP_TRACK, TKS_NORMAL, &rcChannel, 0); 473 } 474 else 475 { 476 DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST); 477 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */ 478 FillRect (hdc, &rcChannel, GetStockObject(WHITE_BRUSH)); 479 if (TRACKBAR_HasSelection(infoPtr)) 480 FillRect (hdc, &infoPtr->rcSelection, GetSysColorBrush(COLOR_HIGHLIGHT)); 481 } 482 } 483 } 484 485 static void 486 TRACKBAR_DrawOneTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags) 487 { 488 int x, y, ox, oy, range, side, indent = 0, len = 3; 489 int offsetthumb; 490 RECT rcTics; 491 492 if (flags & TBS_VERT) { 493 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; 494 SetRect(&rcTics, infoPtr->rcThumb.left - 2, infoPtr->rcChannel.top + offsetthumb, 495 infoPtr->rcThumb.right + 2, infoPtr->rcChannel.bottom - offsetthumb - 1); 496 } else { 497 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 498 SetRect(&rcTics, infoPtr->rcChannel.left + offsetthumb, infoPtr->rcThumb.top - 2, 499 infoPtr->rcChannel.right - offsetthumb - 1, infoPtr->rcThumb.bottom + 2); 500 } 501 502 if (flags & (TBS_TOP | TBS_LEFT)) { 503 x = rcTics.left; 504 y = rcTics.top; 505 side = -1; 506 } else { 507 x = rcTics.right; 508 y = rcTics.bottom; 509 side = 1; 510 } 511 512 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 513 if (range <= 0) 514 range = 1; /* to avoid division by zero */ 515 516 if (flags & TIC_SELECTIONMARK) { 517 indent = (flags & TIC_SELECTIONMARKMIN) ? -1 : 1; 518 } else if (flags & TIC_EDGE) { 519 len++; 520 } 521 522 if (flags & TBS_VERT) { 523 int height = rcTics.bottom - rcTics.top; 524 y = rcTics.top + (height*(ticPos - infoPtr->lRangeMin))/range; 525 } else { 526 int width = rcTics.right - rcTics.left; 527 x = rcTics.left + (width*(ticPos - infoPtr->lRangeMin))/range; 528 } 529 530 ox = x; 531 oy = y; 532 MoveToEx(hdc, x, y, 0); 533 if (flags & TBS_VERT) x += len * side; 534 else y += len * side; 535 LineTo(hdc, x, y); 536 537 if (flags & TIC_SELECTIONMARK) { 538 if (flags & TBS_VERT) { 539 x -= side; 540 } else { 541 y -= side; 542 } 543 MoveToEx(hdc, x, y, 0); 544 if (flags & TBS_VERT) { 545 y += 2 * indent; 546 } else { 547 x += 2 * indent; 548 } 549 550 LineTo(hdc, x, y); 551 LineTo(hdc, ox, oy); 552 } 553 } 554 555 556 static inline void 557 TRACKBAR_DrawTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags) 558 { 559 if ((flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH)) 560 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags | TBS_LEFT); 561 562 if (!(flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH)) 563 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags & ~TBS_LEFT); 564 } 565 566 static void 567 TRACKBAR_DrawTics (const TRACKBAR_INFO *infoPtr, HDC hdc) 568 { 569 unsigned int i; 570 int ticFlags = infoPtr->dwStyle & 0x0f; 571 LOGPEN ticPen = { PS_SOLID, {1, 0}, GetSysColor (COLOR_3DDKSHADOW) }; 572 HPEN hOldPen, hTicPen; 573 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 574 575 if (theme) 576 { 577 int part = (infoPtr->dwStyle & TBS_VERT) ? TKP_TICSVERT : TKP_TICS; 578 GetThemeColor (theme, part, TSS_NORMAL, TMT_COLOR, &ticPen.lopnColor); 579 } 580 /* create the pen to draw the tics with */ 581 hTicPen = CreatePenIndirect(&ticPen); 582 hOldPen = hTicPen ? SelectObject(hdc, hTicPen) : 0; 583 584 /* actually draw the tics */ 585 for (i=0; i<infoPtr->uNumTics; i++) 586 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->tics[i], ticFlags); 587 588 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMin, ticFlags | TIC_EDGE); 589 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMax, ticFlags | TIC_EDGE); 590 591 if ((infoPtr->dwStyle & TBS_ENABLESELRANGE) && TRACKBAR_HasSelection(infoPtr)) { 592 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMin, 593 ticFlags | TIC_SELECTIONMARKMIN); 594 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMax, 595 ticFlags | TIC_SELECTIONMARKMAX); 596 } 597 598 /* clean up the pen, if we created one */ 599 if (hTicPen) { 600 SelectObject(hdc, hOldPen); 601 DeleteObject(hTicPen); 602 } 603 } 604 605 static int 606 TRACKBAR_FillThumb (const TRACKBAR_INFO *infoPtr, HDC hdc, HBRUSH hbrush) 607 { 608 const RECT *thumb = &infoPtr->rcThumb; 609 POINT points[6]; 610 int PointDepth; 611 HBRUSH oldbr; 612 613 if (infoPtr->dwStyle & TBS_BOTH) 614 { 615 FillRect(hdc, thumb, hbrush); 616 return 0; 617 } 618 619 if (infoPtr->dwStyle & TBS_VERT) 620 { 621 PointDepth = (thumb->bottom - thumb->top) / 2; 622 if (infoPtr->dwStyle & TBS_LEFT) 623 { 624 points[0].x = thumb->right-1; 625 points[0].y = thumb->top; 626 points[1].x = thumb->right-1; 627 points[1].y = thumb->bottom-1; 628 points[2].x = thumb->left + PointDepth; 629 points[2].y = thumb->bottom-1; 630 points[3].x = thumb->left; 631 points[3].y = thumb->top + PointDepth; 632 points[4].x = thumb->left + PointDepth; 633 points[4].y = thumb->top; 634 points[5].x = points[0].x; 635 points[5].y = points[0].y; 636 } 637 else 638 { 639 points[0].x = thumb->right; 640 points[0].y = thumb->top + PointDepth; 641 points[1].x = thumb->right - PointDepth; 642 points[1].y = thumb->bottom-1; 643 points[2].x = thumb->left; 644 points[2].y = thumb->bottom-1; 645 points[3].x = thumb->left; 646 points[3].y = thumb->top; 647 points[4].x = thumb->right - PointDepth; 648 points[4].y = thumb->top; 649 points[5].x = points[0].x; 650 points[5].y = points[0].y; 651 } 652 } 653 else 654 { 655 PointDepth = (thumb->right - thumb->left) / 2; 656 if (infoPtr->dwStyle & TBS_TOP) 657 { 658 points[0].x = thumb->left + PointDepth; 659 points[0].y = thumb->top+1; 660 points[1].x = thumb->right-1; 661 points[1].y = thumb->top + PointDepth + 1; 662 points[2].x = thumb->right-1; 663 points[2].y = thumb->bottom-1; 664 points[3].x = thumb->left; 665 points[3].y = thumb->bottom-1; 666 points[4].x = thumb->left; 667 points[4].y = thumb->top + PointDepth + 1; 668 points[5].x = points[0].x; 669 points[5].y = points[0].y; 670 } 671 else 672 { 673 points[0].x = thumb->right-1; 674 points[0].y = thumb->top; 675 points[1].x = thumb->right-1; 676 points[1].y = thumb->bottom - PointDepth - 1; 677 points[2].x = thumb->left + PointDepth; 678 points[2].y = thumb->bottom-1; 679 points[3].x = thumb->left; 680 points[3].y = thumb->bottom - PointDepth - 1; 681 points[4].x = thumb->left; 682 points[4].y = thumb->top; 683 points[5].x = points[0].x; 684 points[5].y = points[0].y; 685 } 686 } 687 688 oldbr = SelectObject(hdc, hbrush); 689 SetPolyFillMode(hdc, WINDING); 690 Polygon(hdc, points, ARRAY_SIZE(points)); 691 SelectObject(hdc, oldbr); 692 693 return PointDepth; 694 } 695 696 static void 697 TRACKBAR_DrawThumb (TRACKBAR_INFO *infoPtr, HDC hdc) 698 { 699 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 700 int PointDepth; 701 HBRUSH brush; 702 703 if (theme) 704 { 705 int partId; 706 int stateId; 707 if (infoPtr->dwStyle & TBS_BOTH) 708 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBVERT : TKP_THUMB; 709 else if (infoPtr->dwStyle & TBS_LEFT) 710 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBLEFT : TKP_THUMBTOP; 711 else 712 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBRIGHT : TKP_THUMBBOTTOM; 713 714 if (infoPtr->dwStyle & WS_DISABLED) 715 stateId = TUS_DISABLED; 716 else if (infoPtr->flags & TB_DRAG_MODE) 717 stateId = TUS_PRESSED; 718 else if (infoPtr->flags & TB_THUMB_HOT) 719 stateId = TUS_HOT; 720 else 721 stateId = TUS_NORMAL; 722 723 DrawThemeBackground (theme, hdc, partId, stateId, &infoPtr->rcThumb, NULL); 724 725 return; 726 } 727 728 if (infoPtr->dwStyle & WS_DISABLED || infoPtr->flags & TB_DRAG_MODE) 729 { 730 if (comctl32_color.clr3dHilight == comctl32_color.clrWindow) 731 brush = COMCTL32_hPattern55AABrush; 732 else 733 brush = GetSysColorBrush(COLOR_SCROLLBAR); 734 735 SetTextColor(hdc, comctl32_color.clr3dFace); 736 SetBkColor(hdc, comctl32_color.clr3dHilight); 737 } 738 else 739 brush = GetSysColorBrush(COLOR_BTNFACE); 740 741 PointDepth = TRACKBAR_FillThumb(infoPtr, hdc, brush); 742 743 if (infoPtr->dwStyle & TBS_BOTH) 744 { 745 DrawEdge(hdc, &infoPtr->rcThumb, EDGE_RAISED, BF_RECT | BF_SOFT); 746 return; 747 } 748 else 749 { 750 RECT thumb = infoPtr->rcThumb; 751 752 if (infoPtr->dwStyle & TBS_VERT) 753 { 754 if (infoPtr->dwStyle & TBS_LEFT) 755 { 756 /* rectangular part */ 757 thumb.left += PointDepth; 758 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_RIGHT | BF_BOTTOM | BF_SOFT); 759 760 /* light edge */ 761 thumb.left -= PointDepth; 762 thumb.right = thumb.left + PointDepth; 763 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; 764 thumb.top = infoPtr->rcThumb.top; 765 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT); 766 767 /* shadowed edge */ 768 thumb.top += PointDepth; 769 thumb.bottom += PointDepth; 770 DrawEdge(hdc, &thumb, EDGE_SUNKEN, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); 771 return; 772 } 773 else 774 { 775 /* rectangular part */ 776 thumb.right -= PointDepth; 777 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_LEFT | BF_BOTTOM | BF_SOFT); 778 779 /* light edge */ 780 thumb.left = thumb.right; 781 thumb.right += PointDepth + 1; 782 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; 783 thumb.top = infoPtr->rcThumb.top; 784 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); 785 786 /* shadowed edge */ 787 thumb.top += PointDepth; 788 thumb.bottom += PointDepth; 789 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT); 790 } 791 } 792 else 793 { 794 if (infoPtr->dwStyle & TBS_TOP) 795 { 796 /* rectangular part */ 797 thumb.top += PointDepth; 798 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_BOTTOM | BF_RIGHT | BF_SOFT); 799 800 /* light edge */ 801 thumb.left = infoPtr->rcThumb.left; 802 thumb.right = thumb.left + PointDepth; 803 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; 804 thumb.top -= PointDepth; 805 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT); 806 807 /* shadowed edge */ 808 thumb.left += PointDepth; 809 thumb.right += PointDepth; 810 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMRIGHT | BF_SOFT); 811 } 812 else 813 { 814 /* rectangular part */ 815 thumb.bottom -= PointDepth; 816 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT); 817 818 /* light edge */ 819 thumb.left = infoPtr->rcThumb.left; 820 thumb.right = thumb.left + PointDepth; 821 thumb.top = infoPtr->rcThumb.bottom - PointDepth - 1; 822 thumb.bottom += PointDepth; 823 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); 824 825 /* shadowed edge */ 826 thumb.left += PointDepth; 827 thumb.right += PointDepth; 828 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT); 829 } 830 } 831 } 832 } 833 834 835 static inline void 836 TRACKBAR_ActivateToolTip (const TRACKBAR_INFO *infoPtr, BOOL fShow) 837 { 838 TTTOOLINFOW ti; 839 840 if (!infoPtr->hwndToolTip) return; 841 842 ZeroMemory(&ti, sizeof(ti)); 843 ti.cbSize = sizeof(ti); 844 ti.hwnd = infoPtr->hwndSelf; 845 846 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKACTIVATE, fShow, (LPARAM)&ti); 847 } 848 849 850 static void 851 TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr) 852 { 853 WCHAR buf[80]; 854 static const WCHAR fmt[] = { '%', 'l', 'd', 0 }; 855 TTTOOLINFOW ti; 856 POINT pt; 857 RECT rcClient; 858 LRESULT size; 859 860 if (!infoPtr->hwndToolTip) return; 861 862 ZeroMemory(&ti, sizeof(ti)); 863 ti.cbSize = sizeof(ti); 864 ti.hwnd = infoPtr->hwndSelf; 865 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE; 866 867 wsprintfW (buf, fmt, infoPtr->lPos); 868 ti.lpszText = buf; 869 SendMessageW (infoPtr->hwndToolTip, TTM_UPDATETIPTEXTW, 0, (LPARAM)&ti); 870 871 GetClientRect (infoPtr->hwndSelf, &rcClient); 872 size = SendMessageW (infoPtr->hwndToolTip, TTM_GETBUBBLESIZE, 0, (LPARAM)&ti); 873 if (infoPtr->dwStyle & TBS_VERT) { 874 if (infoPtr->fLocation == TBTS_LEFT) 875 pt.x = 0 - LOWORD(size) - TOOLTIP_OFFSET; 876 else 877 pt.x = rcClient.right + TOOLTIP_OFFSET; 878 pt.y = (infoPtr->rcThumb.top + infoPtr->rcThumb.bottom - HIWORD(size))/2; 879 } else { 880 if (infoPtr->fLocation == TBTS_TOP) 881 pt.y = 0 - HIWORD(size) - TOOLTIP_OFFSET; 882 else 883 pt.y = rcClient.bottom + TOOLTIP_OFFSET; 884 pt.x = (infoPtr->rcThumb.left + infoPtr->rcThumb.right - LOWORD(size))/2; 885 } 886 ClientToScreen(infoPtr->hwndSelf, &pt); 887 888 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKPOSITION, 889 0, MAKELPARAM(pt.x, pt.y)); 890 } 891 892 893 static void 894 TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst) 895 { 896 RECT rcClient; 897 HDC hdc; 898 HBITMAP hOldBmp = 0, hOffScreenBmp = 0; 899 NMCUSTOMDRAW nmcd; 900 int gcdrf, icdrf; 901 902 if (infoPtr->flags & TB_THUMBCHANGED) { 903 TRACKBAR_UpdateThumb (infoPtr); 904 if (infoPtr->flags & TB_THUMBSIZECHANGED) 905 TRACKBAR_CalcChannel (infoPtr); 906 } 907 if (infoPtr->flags & TB_SELECTIONCHANGED) 908 TRACKBAR_CalcSelection (infoPtr); 909 910 if (infoPtr->flags & TB_DRAG_MODE) 911 TRACKBAR_UpdateToolTip (infoPtr); 912 913 infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED); 914 915 GetClientRect (infoPtr->hwndSelf, &rcClient); 916 917 /* try to render offscreen, if we fail, carrry onscreen */ 918 hdc = CreateCompatibleDC(hdcDst); 919 if (hdc) { 920 hOffScreenBmp = CreateCompatibleBitmap(hdcDst, rcClient.right, rcClient.bottom); 921 if (hOffScreenBmp) { 922 hOldBmp = SelectObject(hdc, hOffScreenBmp); 923 } else { 924 DeleteObject(hdc); 925 hdc = hdcDst; 926 } 927 } else { 928 hdc = hdcDst; 929 } 930 931 ZeroMemory(&nmcd, sizeof(nmcd)); 932 nmcd.hdr.hwndFrom = infoPtr->hwndSelf; 933 nmcd.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID); 934 nmcd.hdr.code = NM_CUSTOMDRAW; 935 nmcd.hdc = hdc; 936 937 /* start the paint cycle */ 938 nmcd.rc = rcClient; 939 gcdrf = notify_customdraw(infoPtr, &nmcd, CDDS_PREPAINT); 940 if (gcdrf & CDRF_SKIPDEFAULT) goto cleanup; 941 942 /* Erase background */ 943 if (gcdrf == CDRF_DODEFAULT || 944 notify_customdraw(infoPtr, &nmcd, CDDS_PREERASE) != CDRF_SKIPDEFAULT) { 945 if (GetWindowTheme (infoPtr->hwndSelf)) { 946 DrawThemeParentBackground (infoPtr->hwndSelf, hdc, 0); 947 } 948 #ifndef __REACTOS__ 949 else { 950 #else 951 { 952 #endif 953 HBRUSH brush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC, 954 (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf); 955 FillRect (hdc, &rcClient, brush ? brush : GetSysColorBrush(COLOR_BTNFACE)); 956 } 957 if (gcdrf != CDRF_DODEFAULT) 958 notify_customdraw(infoPtr, &nmcd, CDDS_POSTERASE); 959 } 960 961 /* draw channel */ 962 if (gcdrf & CDRF_NOTIFYITEMDRAW) { 963 nmcd.dwItemSpec = TBCD_CHANNEL; 964 nmcd.uItemState = CDIS_DEFAULT; 965 nmcd.rc = infoPtr->rcChannel; 966 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); 967 } else icdrf = CDRF_DODEFAULT; 968 if ( !(icdrf & CDRF_SKIPDEFAULT) ) { 969 TRACKBAR_DrawChannel (infoPtr, hdc); 970 if (icdrf & CDRF_NOTIFYPOSTPAINT) 971 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); 972 } 973 974 975 /* draw tics */ 976 if (!(infoPtr->dwStyle & TBS_NOTICKS)) { 977 if (gcdrf & CDRF_NOTIFYITEMDRAW) { 978 nmcd.dwItemSpec = TBCD_TICS; 979 nmcd.uItemState = CDIS_DEFAULT; 980 nmcd.rc = rcClient; 981 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); 982 } else icdrf = CDRF_DODEFAULT; 983 if ( !(icdrf & CDRF_SKIPDEFAULT) ) { 984 TRACKBAR_DrawTics (infoPtr, hdc); 985 if (icdrf & CDRF_NOTIFYPOSTPAINT) 986 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); 987 } 988 } 989 990 /* draw thumb */ 991 if (!(infoPtr->dwStyle & TBS_NOTHUMB)) { 992 if (gcdrf & CDRF_NOTIFYITEMDRAW) { 993 nmcd.dwItemSpec = TBCD_THUMB; 994 nmcd.uItemState = infoPtr->flags & TB_DRAG_MODE ? CDIS_HOT : CDIS_DEFAULT; 995 nmcd.rc = infoPtr->rcThumb; 996 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); 997 } else icdrf = CDRF_DODEFAULT; 998 if ( !(icdrf & CDRF_SKIPDEFAULT) ) { 999 TRACKBAR_DrawThumb(infoPtr, hdc); 1000 if (icdrf & CDRF_NOTIFYPOSTPAINT) 1001 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); 1002 } 1003 } 1004 1005 /* draw focus rectangle */ 1006 if (infoPtr->flags & TB_IS_FOCUSED) { 1007 DrawFocusRect(hdc, &rcClient); 1008 } 1009 1010 /* finish up the painting */ 1011 if (gcdrf & CDRF_NOTIFYPOSTPAINT) 1012 notify_customdraw(infoPtr, &nmcd, CDDS_POSTPAINT); 1013 1014 cleanup: 1015 /* cleanup, if we rendered offscreen */ 1016 if (hdc != hdcDst) { 1017 BitBlt(hdcDst, 0, 0, rcClient.right, rcClient.bottom, hdc, 0, 0, SRCCOPY); 1018 SelectObject(hdc, hOldBmp); 1019 DeleteObject(hOffScreenBmp); 1020 DeleteObject(hdc); 1021 } 1022 } 1023 1024 1025 static void 1026 TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr) 1027 { 1028 HWND hwndParent = GetParent (infoPtr->hwndSelf); 1029 RECT rcSelf, rcBuddy; 1030 INT x, y; 1031 1032 GetWindowRect (infoPtr->hwndSelf, &rcSelf); 1033 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcSelf, 2); 1034 1035 /* align buddy left or above */ 1036 if (infoPtr->hwndBuddyLA) { 1037 GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy); 1038 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2); 1039 1040 if (infoPtr->dwStyle & TBS_VERT) { 1041 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 - 1042 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left; 1043 y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top); 1044 } 1045 else { 1046 x = rcSelf.left - (rcBuddy.right - rcBuddy.left); 1047 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 - 1048 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top; 1049 } 1050 1051 SetWindowPos (infoPtr->hwndBuddyLA, 0, x, y, 0, 0, 1052 SWP_NOZORDER | SWP_NOSIZE); 1053 } 1054 1055 1056 /* align buddy right or below */ 1057 if (infoPtr->hwndBuddyRB) { 1058 GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy); 1059 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2); 1060 1061 if (infoPtr->dwStyle & TBS_VERT) { 1062 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 - 1063 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left; 1064 y = rcSelf.bottom; 1065 } 1066 else { 1067 x = rcSelf.right; 1068 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 - 1069 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top; 1070 } 1071 SetWindowPos (infoPtr->hwndBuddyRB, 0, x, y, 0, 0, 1072 SWP_NOZORDER | SWP_NOSIZE); 1073 } 1074 } 1075 1076 1077 static LRESULT 1078 TRACKBAR_ClearSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw) 1079 { 1080 infoPtr->lSelMin = 0; 1081 infoPtr->lSelMax = 0; 1082 infoPtr->flags |= TB_SELECTIONCHANGED; 1083 1084 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1085 1086 return 0; 1087 } 1088 1089 1090 static LRESULT 1091 TRACKBAR_ClearTics (TRACKBAR_INFO *infoPtr, BOOL fRedraw) 1092 { 1093 if (infoPtr->tics) { 1094 Free (infoPtr->tics); 1095 infoPtr->tics = NULL; 1096 infoPtr->uNumTics = 0; 1097 } 1098 1099 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1100 1101 return 0; 1102 } 1103 1104 1105 static inline LRESULT 1106 TRACKBAR_GetChannelRect (const TRACKBAR_INFO *infoPtr, LPRECT lprc) 1107 { 1108 if (lprc == NULL) return 0; 1109 1110 lprc->left = infoPtr->rcChannel.left; 1111 lprc->right = infoPtr->rcChannel.right; 1112 lprc->bottom = infoPtr->rcChannel.bottom; 1113 lprc->top = infoPtr->rcChannel.top; 1114 1115 return 0; 1116 } 1117 1118 1119 static inline LONG 1120 TRACKBAR_GetNumTics (const TRACKBAR_INFO *infoPtr) 1121 { 1122 if (infoPtr->dwStyle & TBS_NOTICKS) return 0; 1123 1124 return infoPtr->uNumTics + 2; 1125 } 1126 1127 1128 static int __cdecl comp_tics (const void *ap, const void *bp) 1129 { 1130 const DWORD a = *(const DWORD *)ap; 1131 const DWORD b = *(const DWORD *)bp; 1132 1133 TRACE("(a=%d, b=%d)\n", a, b); 1134 if (a < b) return -1; 1135 if (a > b) return 1; 1136 return 0; 1137 } 1138 1139 1140 static inline LONG 1141 TRACKBAR_GetTic (const TRACKBAR_INFO *infoPtr, INT iTic) 1142 { 1143 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics) 1144 return -1; 1145 1146 qsort(infoPtr->tics, infoPtr->uNumTics, sizeof(DWORD), comp_tics); 1147 return infoPtr->tics[iTic]; 1148 } 1149 1150 1151 static inline LONG 1152 TRACKBAR_GetTicPos (const TRACKBAR_INFO *infoPtr, INT iTic) 1153 { 1154 LONG range, width, pos, tic; 1155 int offsetthumb; 1156 1157 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics) 1158 return -1; 1159 1160 tic = TRACKBAR_GetTic (infoPtr, iTic); 1161 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 1162 if (range <= 0) range = 1; 1163 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 1164 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2; 1165 pos = infoPtr->rcChannel.left + offsetthumb + (width * tic) / range; 1166 1167 return pos; 1168 } 1169 1170 1171 static HWND 1172 TRACKBAR_SetBuddy (TRACKBAR_INFO *infoPtr, BOOL fLocation, HWND hwndBuddy) 1173 { 1174 HWND hwndTemp; 1175 1176 if (fLocation) { 1177 /* buddy is left or above */ 1178 hwndTemp = infoPtr->hwndBuddyLA; 1179 infoPtr->hwndBuddyLA = hwndBuddy; 1180 } 1181 else { 1182 /* buddy is right or below */ 1183 hwndTemp = infoPtr->hwndBuddyRB; 1184 infoPtr->hwndBuddyRB = hwndBuddy; 1185 } 1186 1187 TRACKBAR_AlignBuddies (infoPtr); 1188 1189 return hwndTemp; 1190 } 1191 1192 1193 static inline LONG 1194 TRACKBAR_SetLineSize (TRACKBAR_INFO *infoPtr, LONG lLineSize) 1195 { 1196 LONG lTemp = infoPtr->lLineSize; 1197 1198 infoPtr->lLineSize = lLineSize; 1199 1200 return lTemp; 1201 } 1202 1203 static void TRACKBAR_UpdatePageSize(TRACKBAR_INFO *infoPtr) 1204 { 1205 if (infoPtr->flags & TB_USER_PAGE) 1206 return; 1207 1208 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5; 1209 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1; 1210 } 1211 1212 static inline LONG 1213 TRACKBAR_SetPageSize (TRACKBAR_INFO *infoPtr, LONG lPageSize) 1214 { 1215 LONG lTemp = infoPtr->lPageSize; 1216 1217 if (lPageSize == -1) 1218 { 1219 infoPtr->flags &= ~TB_USER_PAGE; 1220 TRACKBAR_UpdatePageSize(infoPtr); 1221 } 1222 else 1223 { 1224 infoPtr->flags |= TB_USER_PAGE; 1225 infoPtr->lPageSize = lPageSize; 1226 } 1227 1228 return lTemp; 1229 } 1230 1231 1232 static inline LRESULT 1233 TRACKBAR_SetPos (TRACKBAR_INFO *infoPtr, BOOL fPosition, LONG lPosition) 1234 { 1235 LONG oldPos = infoPtr->lPos; 1236 infoPtr->lPos = lPosition; 1237 1238 if (infoPtr->lPos < infoPtr->lRangeMin) 1239 infoPtr->lPos = infoPtr->lRangeMin; 1240 1241 if (infoPtr->lPos > infoPtr->lRangeMax) 1242 infoPtr->lPos = infoPtr->lRangeMax; 1243 1244 if (fPosition && oldPos != lPosition) 1245 { 1246 TRACKBAR_UpdateThumb(infoPtr); 1247 TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, lPosition); 1248 } 1249 1250 return 0; 1251 } 1252 1253 static inline LRESULT 1254 TRACKBAR_SetRange (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG range) 1255 { 1256 BOOL changed = infoPtr->lRangeMin != (SHORT)LOWORD(range) || 1257 infoPtr->lRangeMax != (SHORT)HIWORD(range); 1258 1259 infoPtr->lRangeMin = (SHORT)LOWORD(range); 1260 infoPtr->lRangeMax = (SHORT)HIWORD(range); 1261 1262 /* clip position to new min/max limit */ 1263 if (infoPtr->lPos < infoPtr->lRangeMin) 1264 infoPtr->lPos = infoPtr->lRangeMin; 1265 1266 if (infoPtr->lPos > infoPtr->lRangeMax) 1267 infoPtr->lPos = infoPtr->lRangeMax; 1268 1269 TRACKBAR_UpdatePageSize(infoPtr); 1270 1271 if (changed) { 1272 if (infoPtr->dwStyle & TBS_AUTOTICKS) 1273 TRACKBAR_RecalculateTics (infoPtr); 1274 infoPtr->flags |= TB_THUMBPOSCHANGED; 1275 } 1276 1277 if (redraw) TRACKBAR_InvalidateAll(infoPtr); 1278 1279 return 0; 1280 } 1281 1282 1283 static inline LRESULT 1284 TRACKBAR_SetRangeMax (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMax) 1285 { 1286 BOOL changed = infoPtr->lRangeMax != lMax; 1287 LONG rightmost = max(lMax, infoPtr->lRangeMin); 1288 1289 infoPtr->lRangeMax = lMax; 1290 if (infoPtr->lPos > rightmost) { 1291 infoPtr->lPos = rightmost; 1292 infoPtr->flags |= TB_THUMBPOSCHANGED; 1293 } 1294 1295 TRACKBAR_UpdatePageSize(infoPtr); 1296 1297 if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS)) 1298 TRACKBAR_RecalculateTics (infoPtr); 1299 1300 if (redraw) TRACKBAR_InvalidateAll(infoPtr); 1301 1302 return 0; 1303 } 1304 1305 1306 static inline LRESULT 1307 TRACKBAR_SetRangeMin (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMin) 1308 { 1309 BOOL changed = infoPtr->lRangeMin != lMin; 1310 1311 infoPtr->lRangeMin = lMin; 1312 if (infoPtr->lPos < infoPtr->lRangeMin) { 1313 infoPtr->lPos = infoPtr->lRangeMin; 1314 infoPtr->flags |= TB_THUMBPOSCHANGED; 1315 } 1316 1317 TRACKBAR_UpdatePageSize(infoPtr); 1318 1319 if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS)) 1320 TRACKBAR_RecalculateTics (infoPtr); 1321 1322 if (redraw) TRACKBAR_InvalidateAll(infoPtr); 1323 1324 return 0; 1325 } 1326 1327 1328 static inline LRESULT 1329 TRACKBAR_SetSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lSel) 1330 { 1331 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ 1332 infoPtr->lSelMin = 0; 1333 infoPtr->lSelMax = 0; 1334 return 0; 1335 } 1336 1337 infoPtr->lSelMin = (SHORT)LOWORD(lSel); 1338 infoPtr->lSelMax = (SHORT)HIWORD(lSel); 1339 infoPtr->flags |= TB_SELECTIONCHANGED; 1340 1341 if (infoPtr->lSelMin < infoPtr->lRangeMin) 1342 infoPtr->lSelMin = infoPtr->lRangeMin; 1343 if (infoPtr->lSelMax > infoPtr->lRangeMax) 1344 infoPtr->lSelMax = infoPtr->lRangeMax; 1345 1346 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1347 1348 return 0; 1349 } 1350 1351 1352 static inline LRESULT 1353 TRACKBAR_SetSelEnd (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lEnd) 1354 { 1355 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ 1356 infoPtr->lSelMax = 0; 1357 return 0; 1358 } 1359 1360 infoPtr->lSelMax = lEnd; 1361 infoPtr->flags |= TB_SELECTIONCHANGED; 1362 1363 if (infoPtr->lSelMax > infoPtr->lRangeMax) 1364 infoPtr->lSelMax = infoPtr->lRangeMax; 1365 1366 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1367 1368 return 0; 1369 } 1370 1371 1372 static inline LRESULT 1373 TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart) 1374 { 1375 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ 1376 infoPtr->lSelMin = 0; 1377 return 0; 1378 } 1379 1380 infoPtr->lSelMin = lStart; 1381 infoPtr->flags |=TB_SELECTIONCHANGED; 1382 1383 if (infoPtr->lSelMin < infoPtr->lRangeMin) 1384 infoPtr->lSelMin = infoPtr->lRangeMin; 1385 1386 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1387 1388 return 0; 1389 } 1390 1391 1392 static inline LRESULT 1393 TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength) 1394 { 1395 if (infoPtr->dwStyle & TBS_FIXEDLENGTH) { 1396 /* We're not supposed to check if it's really changed or not, 1397 just repaint in any case. */ 1398 infoPtr->uThumbLen = iLength; 1399 infoPtr->flags |= TB_THUMBSIZECHANGED; 1400 TRACKBAR_InvalidateAll(infoPtr); 1401 } 1402 1403 return 0; 1404 } 1405 1406 1407 static inline LRESULT 1408 TRACKBAR_SetTic (TRACKBAR_INFO *infoPtr, LONG lPos) 1409 { 1410 if ((lPos < infoPtr->lRangeMin) || (lPos> infoPtr->lRangeMax)) 1411 return FALSE; 1412 1413 TRACE("lPos=%d\n", lPos); 1414 1415 infoPtr->uNumTics++; 1416 infoPtr->tics=ReAlloc( infoPtr->tics, 1417 (infoPtr->uNumTics)*sizeof (DWORD)); 1418 if (!infoPtr->tics) { 1419 infoPtr->uNumTics = 0; 1420 notify(infoPtr, NM_OUTOFMEMORY); 1421 return FALSE; 1422 } 1423 infoPtr->tics[infoPtr->uNumTics-1] = lPos; 1424 1425 TRACKBAR_InvalidateAll(infoPtr); 1426 1427 return TRUE; 1428 } 1429 1430 1431 static inline LRESULT 1432 TRACKBAR_SetTicFreq (TRACKBAR_INFO *infoPtr, WORD wFreq) 1433 { 1434 if (infoPtr->dwStyle & TBS_AUTOTICKS) { 1435 infoPtr->uTicFreq = wFreq; 1436 TRACKBAR_RecalculateTics (infoPtr); 1437 TRACKBAR_InvalidateAll(infoPtr); 1438 } 1439 1440 TRACKBAR_UpdateThumb (infoPtr); 1441 return 0; 1442 } 1443 1444 1445 static inline INT 1446 TRACKBAR_SetTipSide (TRACKBAR_INFO *infoPtr, INT fLocation) 1447 { 1448 INT fTemp = infoPtr->fLocation; 1449 1450 infoPtr->fLocation = fLocation; 1451 1452 return fTemp; 1453 } 1454 1455 1456 static inline LRESULT 1457 TRACKBAR_SetToolTips (TRACKBAR_INFO *infoPtr, HWND hwndTT) 1458 { 1459 infoPtr->hwndToolTip = hwndTT; 1460 1461 return 0; 1462 } 1463 1464 1465 static inline BOOL 1466 TRACKBAR_SetUnicodeFormat (TRACKBAR_INFO *infoPtr, BOOL fUnicode) 1467 { 1468 BOOL bTemp = infoPtr->bUnicode; 1469 1470 infoPtr->bUnicode = fUnicode; 1471 1472 return bTemp; 1473 } 1474 1475 static int get_scaled_metric(const TRACKBAR_INFO *infoPtr, int value) 1476 { 1477 return MulDiv(value, GetDpiForWindow(infoPtr->hwndSelf), 96); 1478 } 1479 1480 static LRESULT 1481 TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr) 1482 { 1483 int client_size; 1484 RECT rect; 1485 1486 infoPtr->uThumbLen = get_scaled_metric(infoPtr, infoPtr->dwStyle & TBS_ENABLESELRANGE ? 23 : 21); 1487 1488 if (!(infoPtr->dwStyle & TBS_FIXEDLENGTH)) 1489 { 1490 GetClientRect(infoPtr->hwndSelf, &rect); 1491 if (infoPtr->dwStyle & TBS_VERT) 1492 client_size = rect.right - rect.left; 1493 else 1494 client_size = rect.bottom - rect.top; 1495 1496 if (client_size < infoPtr->uThumbLen) 1497 infoPtr->uThumbLen = client_size > get_scaled_metric(infoPtr, 9) ? 1498 client_size - get_scaled_metric(infoPtr, 5) : get_scaled_metric(infoPtr, 4); 1499 } 1500 1501 TRACKBAR_CalcChannel (infoPtr); 1502 TRACKBAR_UpdateThumb (infoPtr); 1503 infoPtr->flags &= ~TB_SELECTIONCHANGED; 1504 1505 return 0; 1506 } 1507 1508 1509 static LRESULT 1510 TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs) 1511 { 1512 TRACKBAR_INFO *infoPtr; 1513 1514 infoPtr = Alloc (sizeof(TRACKBAR_INFO)); 1515 if (!infoPtr) return -1; 1516 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr); 1517 1518 /* set default values */ 1519 infoPtr->hwndSelf = hwnd; 1520 infoPtr->dwStyle = lpcs->style; 1521 infoPtr->lRangeMin = 0; 1522 infoPtr->lRangeMax = 100; 1523 infoPtr->lLineSize = 1; 1524 infoPtr->lPageSize = TB_DEFAULTPAGESIZE; 1525 infoPtr->lSelMin = 0; 1526 infoPtr->lSelMax = 0; 1527 infoPtr->lPos = 0; 1528 infoPtr->fLocation = TBTS_TOP; 1529 infoPtr->uNumTics = 0; /* start and end tic are not included in count*/ 1530 infoPtr->uTicFreq = 1; 1531 infoPtr->tics = NULL; 1532 infoPtr->hwndNotify= lpcs->hwndParent; 1533 1534 TRACKBAR_InitializeThumb (infoPtr); 1535 1536 /* Create tooltip control */ 1537 if (infoPtr->dwStyle & TBS_TOOLTIPS) { 1538 1539 infoPtr->hwndToolTip = 1540 CreateWindowExW (0, TOOLTIPS_CLASSW, NULL, WS_POPUP, 1541 CW_USEDEFAULT, CW_USEDEFAULT, 1542 CW_USEDEFAULT, CW_USEDEFAULT, 1543 hwnd, 0, 0, 0); 1544 1545 if (infoPtr->hwndToolTip) { 1546 TTTOOLINFOW ti; 1547 WCHAR wEmpty = 0; 1548 ZeroMemory (&ti, sizeof(ti)); 1549 ti.cbSize = sizeof(ti); 1550 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE; 1551 ti.hwnd = hwnd; 1552 ti.lpszText = &wEmpty; 1553 1554 SendMessageW (infoPtr->hwndToolTip, TTM_ADDTOOLW, 0, (LPARAM)&ti); 1555 } 1556 } 1557 1558 OpenThemeData (hwnd, themeClass); 1559 1560 return 0; 1561 } 1562 1563 1564 static LRESULT 1565 TRACKBAR_Destroy (TRACKBAR_INFO *infoPtr) 1566 { 1567 /* delete tooltip control */ 1568 if (infoPtr->hwndToolTip) 1569 DestroyWindow (infoPtr->hwndToolTip); 1570 1571 Free (infoPtr->tics); 1572 infoPtr->tics = NULL; 1573 1574 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0); 1575 CloseThemeData (GetWindowTheme (infoPtr->hwndSelf)); 1576 Free (infoPtr); 1577 1578 return 0; 1579 } 1580 1581 1582 static LRESULT 1583 TRACKBAR_KillFocus (TRACKBAR_INFO *infoPtr) 1584 { 1585 TRACE("\n"); 1586 infoPtr->flags &= ~TB_IS_FOCUSED; 1587 TRACKBAR_InvalidateAll(infoPtr); 1588 1589 return 0; 1590 } 1591 1592 static LRESULT 1593 TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, INT x, INT y) 1594 { 1595 POINT clickPoint; 1596 1597 clickPoint.x = x; 1598 clickPoint.y = y; 1599 1600 SetFocus(infoPtr->hwndSelf); 1601 1602 if (PtInRect(&infoPtr->rcThumb, clickPoint)) { 1603 infoPtr->flags |= TB_DRAG_MODE; 1604 SetCapture (infoPtr->hwndSelf); 1605 TRACKBAR_UpdateToolTip (infoPtr); 1606 TRACKBAR_ActivateToolTip (infoPtr, TRUE); 1607 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos); 1608 } else { 1609 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint); 1610 if (dir == 0) return 0; 1611 infoPtr->flags |= (dir < 0) ? TB_AUTO_PAGE_LEFT : TB_AUTO_PAGE_RIGHT; 1612 TRACKBAR_AutoPage (infoPtr, clickPoint); 1613 SetCapture (infoPtr->hwndSelf); 1614 SetTimer(infoPtr->hwndSelf, TB_REFRESH_TIMER, TB_REFRESH_DELAY, 0); 1615 } 1616 1617 return 0; 1618 } 1619 1620 1621 static LRESULT 1622 TRACKBAR_LButtonUp (TRACKBAR_INFO *infoPtr) 1623 { 1624 if (infoPtr->flags & TB_DRAG_MODE) { 1625 notify_with_scroll (infoPtr, TB_THUMBPOSITION | (infoPtr->lPos<<16)); 1626 notify_with_scroll (infoPtr, TB_ENDTRACK); 1627 infoPtr->flags &= ~TB_DRAG_MODE; 1628 ReleaseCapture (); 1629 notify(infoPtr, NM_RELEASEDCAPTURE); 1630 TRACKBAR_ActivateToolTip(infoPtr, FALSE); 1631 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos); 1632 } 1633 if (infoPtr->flags & TB_AUTO_PAGE) { 1634 KillTimer (infoPtr->hwndSelf, TB_REFRESH_TIMER); 1635 infoPtr->flags &= ~TB_AUTO_PAGE; 1636 notify_with_scroll (infoPtr, TB_ENDTRACK); 1637 ReleaseCapture (); 1638 notify(infoPtr, NM_RELEASEDCAPTURE); 1639 } 1640 1641 return 0; 1642 } 1643 1644 1645 static LRESULT 1646 TRACKBAR_CaptureChanged (const TRACKBAR_INFO *infoPtr) 1647 { 1648 notify_with_scroll (infoPtr, TB_ENDTRACK); 1649 return 0; 1650 } 1651 1652 1653 static LRESULT 1654 TRACKBAR_Paint (TRACKBAR_INFO *infoPtr, HDC hdc) 1655 { 1656 if (hdc) { 1657 TRACKBAR_Refresh(infoPtr, hdc); 1658 } else { 1659 PAINTSTRUCT ps; 1660 hdc = BeginPaint (infoPtr->hwndSelf, &ps); 1661 TRACKBAR_Refresh (infoPtr, hdc); 1662 EndPaint (infoPtr->hwndSelf, &ps); 1663 } 1664 1665 return 0; 1666 } 1667 1668 1669 static LRESULT 1670 TRACKBAR_SetFocus (TRACKBAR_INFO *infoPtr) 1671 { 1672 TRACE("\n"); 1673 infoPtr->flags |= TB_IS_FOCUSED; 1674 TRACKBAR_InvalidateAll(infoPtr); 1675 1676 return 0; 1677 } 1678 1679 1680 static LRESULT 1681 TRACKBAR_Size (TRACKBAR_INFO *infoPtr) 1682 { 1683 if (infoPtr->dwStyle & TBS_FIXEDLENGTH) 1684 { 1685 TRACKBAR_CalcChannel(infoPtr); 1686 TRACKBAR_UpdateThumb(infoPtr); 1687 } 1688 else 1689 TRACKBAR_InitializeThumb(infoPtr); 1690 TRACKBAR_AlignBuddies (infoPtr); 1691 TRACKBAR_InvalidateAll(infoPtr); 1692 1693 return 0; 1694 } 1695 1696 static LRESULT 1697 TRACKBAR_StyleChanged (TRACKBAR_INFO *infoPtr, WPARAM wStyleType, 1698 const STYLESTRUCT *lpss) 1699 { 1700 if (wStyleType != GWL_STYLE) return 0; 1701 1702 infoPtr->dwStyle = lpss->styleNew; 1703 1704 return 0; 1705 } 1706 1707 static LRESULT 1708 TRACKBAR_Timer (TRACKBAR_INFO *infoPtr) 1709 { 1710 if (infoPtr->flags & TB_AUTO_PAGE) { 1711 POINT pt; 1712 if (GetCursorPos(&pt)) 1713 if (ScreenToClient(infoPtr->hwndSelf, &pt)) 1714 TRACKBAR_AutoPage(infoPtr, pt); 1715 } 1716 return 0; 1717 } 1718 1719 1720 /* update theme after a WM_THEMECHANGED message */ 1721 static LRESULT theme_changed (const TRACKBAR_INFO* infoPtr) 1722 { 1723 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 1724 CloseThemeData (theme); 1725 OpenThemeData (infoPtr->hwndSelf, themeClass); 1726 return 0; 1727 } 1728 1729 1730 static LRESULT 1731 TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y) 1732 { 1733 INT clickPlace = (infoPtr->dwStyle & TBS_VERT) ? y : x; 1734 LONG dragPos, oldPos = infoPtr->lPos; 1735 1736 TRACE("(x=%d. y=%d)\n", x, y); 1737 1738 if (infoPtr->flags & TB_AUTO_PAGE) { 1739 POINT pt; 1740 pt.x = x; 1741 pt.y = y; 1742 TRACKBAR_AutoPage (infoPtr, pt); 1743 return TRUE; 1744 } 1745 1746 if (!(infoPtr->flags & TB_DRAG_MODE)) 1747 { 1748 if (GetWindowTheme (infoPtr->hwndSelf)) 1749 { 1750 DWORD oldFlags = infoPtr->flags; 1751 POINT pt; 1752 pt.x = x; 1753 pt.y = y; 1754 if (PtInRect (&infoPtr->rcThumb, pt)) 1755 { 1756 TRACKMOUSEEVENT tme; 1757 tme.cbSize = sizeof( tme ); 1758 tme.dwFlags = TME_LEAVE; 1759 tme.hwndTrack = infoPtr->hwndSelf; 1760 TrackMouseEvent( &tme ); 1761 infoPtr->flags |= TB_THUMB_HOT; 1762 } 1763 else 1764 { 1765 TRACKMOUSEEVENT tme; 1766 tme.cbSize = sizeof( tme ); 1767 tme.dwFlags = TME_CANCEL; 1768 tme.hwndTrack = infoPtr->hwndSelf; 1769 TrackMouseEvent( &tme ); 1770 infoPtr->flags &= ~TB_THUMB_HOT; 1771 } 1772 if (oldFlags != infoPtr->flags) InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE); 1773 } 1774 return TRUE; 1775 } 1776 1777 dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace); 1778 1779 if (dragPos == oldPos) return TRUE; 1780 1781 infoPtr->lPos = dragPos; 1782 TRACKBAR_UpdateThumb (infoPtr); 1783 1784 notify_with_scroll (infoPtr, TB_THUMBTRACK | (infoPtr->lPos<<16)); 1785 1786 TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, dragPos); 1787 UpdateWindow (infoPtr->hwndSelf); 1788 1789 return TRUE; 1790 } 1791 1792 static BOOL 1793 TRACKBAR_KeyDown (TRACKBAR_INFO *infoPtr, INT nVirtKey) 1794 { 1795 BOOL downIsLeft = infoPtr->dwStyle & TBS_DOWNISLEFT; 1796 BOOL vert = infoPtr->dwStyle & TBS_VERT; 1797 LONG pos = infoPtr->lPos; 1798 1799 TRACE("%x\n", nVirtKey); 1800 1801 switch (nVirtKey) { 1802 case VK_UP: 1803 if (!vert && downIsLeft) TRACKBAR_LineDown(infoPtr); 1804 else TRACKBAR_LineUp(infoPtr); 1805 break; 1806 case VK_LEFT: 1807 if (vert && downIsLeft) TRACKBAR_LineDown(infoPtr); 1808 else TRACKBAR_LineUp(infoPtr); 1809 break; 1810 case VK_DOWN: 1811 if (!vert && downIsLeft) TRACKBAR_LineUp(infoPtr); 1812 else TRACKBAR_LineDown(infoPtr); 1813 break; 1814 case VK_RIGHT: 1815 if (vert && downIsLeft) TRACKBAR_LineUp(infoPtr); 1816 else TRACKBAR_LineDown(infoPtr); 1817 break; 1818 case VK_NEXT: 1819 if (!vert && downIsLeft) TRACKBAR_PageUp(infoPtr); 1820 else TRACKBAR_PageDown(infoPtr); 1821 break; 1822 case VK_PRIOR: 1823 if (!vert && downIsLeft) TRACKBAR_PageDown(infoPtr); 1824 else TRACKBAR_PageUp(infoPtr); 1825 break; 1826 case VK_HOME: 1827 if (infoPtr->lPos == infoPtr->lRangeMin) return FALSE; 1828 infoPtr->lPos = infoPtr->lRangeMin; 1829 notify_with_scroll (infoPtr, TB_TOP); 1830 break; 1831 case VK_END: 1832 if (infoPtr->lPos == infoPtr->lRangeMax) return FALSE; 1833 infoPtr->lPos = infoPtr->lRangeMax; 1834 notify_with_scroll (infoPtr, TB_BOTTOM); 1835 break; 1836 } 1837 1838 if (pos != infoPtr->lPos) { 1839 TRACKBAR_UpdateThumb (infoPtr); 1840 TRACKBAR_InvalidateThumbMove (infoPtr, pos, infoPtr->lPos); 1841 } 1842 1843 return TRUE; 1844 } 1845 1846 1847 static inline BOOL 1848 TRACKBAR_KeyUp (const TRACKBAR_INFO *infoPtr, INT nVirtKey) 1849 { 1850 switch (nVirtKey) { 1851 case VK_LEFT: 1852 case VK_UP: 1853 case VK_RIGHT: 1854 case VK_DOWN: 1855 case VK_NEXT: 1856 case VK_PRIOR: 1857 case VK_HOME: 1858 case VK_END: 1859 notify_with_scroll (infoPtr, TB_ENDTRACK); 1860 } 1861 return TRUE; 1862 } 1863 1864 1865 static LRESULT 1866 TRACKBAR_Enable (TRACKBAR_INFO *infoPtr, BOOL enable) 1867 { 1868 if (enable) 1869 infoPtr->dwStyle &= ~WS_DISABLED; 1870 else 1871 infoPtr->dwStyle |= WS_DISABLED; 1872 1873 InvalidateRect(infoPtr->hwndSelf, &infoPtr->rcThumb, TRUE); 1874 1875 return 1; 1876 } 1877 1878 static LRESULT WINAPI 1879 TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 1880 { 1881 TRACKBAR_INFO *infoPtr = (TRACKBAR_INFO *)GetWindowLongPtrW (hwnd, 0); 1882 1883 TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hwnd, uMsg, wParam, lParam); 1884 1885 if (!infoPtr && (uMsg != WM_CREATE)) 1886 return DefWindowProcW (hwnd, uMsg, wParam, lParam); 1887 1888 switch (uMsg) 1889 { 1890 case TBM_CLEARSEL: 1891 return TRACKBAR_ClearSel (infoPtr, (BOOL)wParam); 1892 1893 case TBM_CLEARTICS: 1894 return TRACKBAR_ClearTics (infoPtr, (BOOL)wParam); 1895 1896 case TBM_GETBUDDY: 1897 return (LRESULT)(wParam ? infoPtr->hwndBuddyLA : infoPtr->hwndBuddyRB); 1898 1899 case TBM_GETCHANNELRECT: 1900 return TRACKBAR_GetChannelRect (infoPtr, (LPRECT)lParam); 1901 1902 case TBM_GETLINESIZE: 1903 return infoPtr->lLineSize; 1904 1905 case TBM_GETNUMTICS: 1906 return TRACKBAR_GetNumTics (infoPtr); 1907 1908 case TBM_GETPAGESIZE: 1909 return infoPtr->lPageSize; 1910 1911 case TBM_GETPOS: 1912 return infoPtr->lPos; 1913 1914 case TBM_GETPTICS: 1915 return (LRESULT)infoPtr->tics; 1916 1917 case TBM_GETRANGEMAX: 1918 return infoPtr->lRangeMax; 1919 1920 case TBM_GETRANGEMIN: 1921 return infoPtr->lRangeMin; 1922 1923 case TBM_GETSELEND: 1924 return infoPtr->lSelMax; 1925 1926 case TBM_GETSELSTART: 1927 return infoPtr->lSelMin; 1928 1929 case TBM_GETTHUMBLENGTH: 1930 return infoPtr->uThumbLen; 1931 1932 case TBM_GETTHUMBRECT: 1933 return CopyRect((LPRECT)lParam, &infoPtr->rcThumb); 1934 1935 case TBM_GETTIC: 1936 return TRACKBAR_GetTic (infoPtr, (INT)wParam); 1937 1938 case TBM_GETTICPOS: 1939 return TRACKBAR_GetTicPos (infoPtr, (INT)wParam); 1940 1941 case TBM_GETTOOLTIPS: 1942 return (LRESULT)infoPtr->hwndToolTip; 1943 1944 case TBM_GETUNICODEFORMAT: 1945 return infoPtr->bUnicode; 1946 1947 case TBM_SETBUDDY: 1948 return (LRESULT) TRACKBAR_SetBuddy(infoPtr, (BOOL)wParam, (HWND)lParam); 1949 1950 case TBM_SETLINESIZE: 1951 return TRACKBAR_SetLineSize (infoPtr, (LONG)lParam); 1952 1953 case TBM_SETPAGESIZE: 1954 return TRACKBAR_SetPageSize (infoPtr, (LONG)lParam); 1955 1956 case TBM_SETPOS: 1957 return TRACKBAR_SetPos (infoPtr, (BOOL)wParam, (LONG)lParam); 1958 1959 case TBM_SETRANGE: 1960 return TRACKBAR_SetRange (infoPtr, (BOOL)wParam, (LONG)lParam); 1961 1962 case TBM_SETRANGEMAX: 1963 return TRACKBAR_SetRangeMax (infoPtr, (BOOL)wParam, (LONG)lParam); 1964 1965 case TBM_SETRANGEMIN: 1966 return TRACKBAR_SetRangeMin (infoPtr, (BOOL)wParam, (LONG)lParam); 1967 1968 case TBM_SETSEL: 1969 return TRACKBAR_SetSel (infoPtr, (BOOL)wParam, (LONG)lParam); 1970 1971 case TBM_SETSELEND: 1972 return TRACKBAR_SetSelEnd (infoPtr, (BOOL)wParam, (LONG)lParam); 1973 1974 case TBM_SETSELSTART: 1975 return TRACKBAR_SetSelStart (infoPtr, (BOOL)wParam, (LONG)lParam); 1976 1977 case TBM_SETTHUMBLENGTH: 1978 return TRACKBAR_SetThumbLength (infoPtr, (UINT)wParam); 1979 1980 case TBM_SETTIC: 1981 return TRACKBAR_SetTic (infoPtr, (LONG)lParam); 1982 1983 case TBM_SETTICFREQ: 1984 return TRACKBAR_SetTicFreq (infoPtr, (WORD)wParam); 1985 1986 case TBM_SETTIPSIDE: 1987 return TRACKBAR_SetTipSide (infoPtr, (INT)wParam); 1988 1989 case TBM_SETTOOLTIPS: 1990 return TRACKBAR_SetToolTips (infoPtr, (HWND)wParam); 1991 1992 case TBM_SETUNICODEFORMAT: 1993 return TRACKBAR_SetUnicodeFormat (infoPtr, (BOOL)wParam); 1994 1995 1996 case WM_CAPTURECHANGED: 1997 if (hwnd == (HWND)lParam) return 0; 1998 return TRACKBAR_CaptureChanged (infoPtr); 1999 2000 case WM_CREATE: 2001 return TRACKBAR_Create (hwnd, (LPCREATESTRUCTW)lParam); 2002 2003 case WM_DESTROY: 2004 return TRACKBAR_Destroy (infoPtr); 2005 2006 case WM_ENABLE: 2007 return TRACKBAR_Enable (infoPtr, (BOOL)wParam); 2008 2009 case WM_ERASEBKGND: 2010 return 0; 2011 2012 case WM_GETDLGCODE: 2013 return DLGC_WANTARROWS; 2014 2015 case WM_KEYDOWN: 2016 return TRACKBAR_KeyDown (infoPtr, (INT)wParam); 2017 2018 case WM_KEYUP: 2019 return TRACKBAR_KeyUp (infoPtr, (INT)wParam); 2020 2021 case WM_KILLFOCUS: 2022 return TRACKBAR_KillFocus (infoPtr); 2023 2024 case WM_LBUTTONDOWN: 2025 return TRACKBAR_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam)); 2026 2027 case WM_LBUTTONUP: 2028 return TRACKBAR_LButtonUp (infoPtr); 2029 2030 case WM_MOUSELEAVE: 2031 infoPtr->flags &= ~TB_THUMB_HOT; 2032 InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE); 2033 return 0; 2034 2035 case WM_MOUSEMOVE: 2036 return TRACKBAR_MouseMove (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam)); 2037 2038 case WM_PRINTCLIENT: 2039 case WM_PAINT: 2040 return TRACKBAR_Paint (infoPtr, (HDC)wParam); 2041 2042 case WM_SETFOCUS: 2043 return TRACKBAR_SetFocus (infoPtr); 2044 2045 case WM_SIZE: 2046 return TRACKBAR_Size (infoPtr); 2047 2048 case WM_STYLECHANGED: 2049 return TRACKBAR_StyleChanged (infoPtr, wParam, (LPSTYLESTRUCT)lParam); 2050 2051 case WM_THEMECHANGED: 2052 return theme_changed (infoPtr); 2053 2054 case WM_TIMER: 2055 return TRACKBAR_Timer (infoPtr); 2056 2057 case WM_WININICHANGE: 2058 return TRACKBAR_InitializeThumb (infoPtr); 2059 2060 default: 2061 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg)) 2062 ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam); 2063 return DefWindowProcW (hwnd, uMsg, wParam, lParam); 2064 } 2065 } 2066 2067 2068 void TRACKBAR_Register (void) 2069 { 2070 WNDCLASSW wndClass; 2071 2072 ZeroMemory (&wndClass, sizeof(WNDCLASSW)); 2073 wndClass.style = CS_GLOBALCLASS; 2074 wndClass.lpfnWndProc = TRACKBAR_WindowProc; 2075 wndClass.cbClsExtra = 0; 2076 wndClass.cbWndExtra = sizeof(TRACKBAR_INFO *); 2077 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW); 2078 wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); 2079 wndClass.lpszClassName = TRACKBAR_CLASSW; 2080 2081 RegisterClassW (&wndClass); 2082 } 2083 2084 2085 void TRACKBAR_Unregister (void) 2086 { 2087 UnregisterClassW (TRACKBAR_CLASSW, NULL); 2088 } 2089