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 INT flags; 63 BOOL bUnicode; 64 BOOL bFocussed; 65 RECT rcChannel; 66 RECT rcSelection; 67 RECT rcThumb; 68 LPLONG tics; 69 } TRACKBAR_INFO; 70 71 #define TB_REFRESH_TIMER 1 72 #define TB_REFRESH_DELAY 500 73 74 #define TOOLTIP_OFFSET 2 /* distance from ctrl edge to tooltip */ 75 76 #define TB_DEFAULTPAGESIZE 20 77 78 /* Used by TRACKBAR_Refresh to find out which parts of the control 79 need to be recalculated */ 80 81 #define TB_THUMBPOSCHANGED 1 82 #define TB_THUMBSIZECHANGED 2 83 #define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBSIZECHANGED) 84 #define TB_SELECTIONCHANGED 4 85 #define TB_DRAG_MODE 8 /* we're dragging the slider */ 86 #define TB_AUTO_PAGE_LEFT 16 87 #define TB_AUTO_PAGE_RIGHT 32 88 #define TB_AUTO_PAGE (TB_AUTO_PAGE_LEFT | TB_AUTO_PAGE_RIGHT) 89 #define TB_THUMB_HOT 64 /* mouse hovers above thumb */ 90 91 /* helper defines for TRACKBAR_DrawTic */ 92 #define TIC_EDGE 0x20 93 #define TIC_SELECTIONMARKMAX 0x80 94 #define TIC_SELECTIONMARKMIN 0x100 95 #define TIC_SELECTIONMARK (TIC_SELECTIONMARKMAX | TIC_SELECTIONMARKMIN) 96 97 static const WCHAR themeClass[] = { 'T','r','a','c','k','b','a','r',0 }; 98 99 static inline int 100 notify_customdraw (const TRACKBAR_INFO *infoPtr, NMCUSTOMDRAW *pnmcd, int stage) 101 { 102 pnmcd->dwDrawStage = stage; 103 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, 104 pnmcd->hdr.idFrom, (LPARAM)pnmcd); 105 } 106 107 static LRESULT notify_hdr (const TRACKBAR_INFO *infoPtr, INT code, LPNMHDR pnmh) 108 { 109 LRESULT result; 110 111 TRACE("(code=%d)\n", code); 112 113 pnmh->hwndFrom = infoPtr->hwndSelf; 114 pnmh->idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID); 115 pnmh->code = code; 116 result = SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, pnmh->idFrom, (LPARAM)pnmh); 117 118 TRACE(" <= %ld\n", result); 119 120 return result; 121 } 122 123 static inline int notify (const TRACKBAR_INFO *infoPtr, INT code) 124 { 125 NMHDR nmh; 126 return notify_hdr(infoPtr, code, &nmh); 127 } 128 129 static void notify_with_scroll (const TRACKBAR_INFO *infoPtr, UINT code) 130 { 131 UINT scroll = infoPtr->dwStyle & TBS_VERT ? WM_VSCROLL : WM_HSCROLL; 132 133 TRACE("%x\n", code); 134 135 SendMessageW (infoPtr->hwndNotify, scroll, code, (LPARAM)infoPtr->hwndSelf); 136 } 137 138 static void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr) 139 { 140 int tic; 141 unsigned nrTics, i; 142 143 if (infoPtr->uTicFreq && infoPtr->lRangeMax >= infoPtr->lRangeMin) { 144 nrTics=(infoPtr->lRangeMax - infoPtr->lRangeMin)/infoPtr->uTicFreq; 145 /* don't add extra tic if there's no remainder */ 146 if (nrTics && ((infoPtr->lRangeMax - infoPtr->lRangeMin) % infoPtr->uTicFreq == 0)) 147 nrTics--; 148 } 149 else { 150 Free (infoPtr->tics); 151 infoPtr->tics = NULL; 152 infoPtr->uNumTics = 0; 153 return; 154 } 155 156 if (nrTics != infoPtr->uNumTics) { 157 infoPtr->tics=ReAlloc (infoPtr->tics, 158 (nrTics+1)*sizeof (DWORD)); 159 if (!infoPtr->tics) { 160 infoPtr->uNumTics = 0; 161 notify(infoPtr, NM_OUTOFMEMORY); 162 return; 163 } 164 infoPtr->uNumTics = nrTics; 165 } 166 167 tic = infoPtr->lRangeMin + infoPtr->uTicFreq; 168 for (i = 0; i < nrTics; i++, tic += infoPtr->uTicFreq) 169 infoPtr->tics[i] = tic; 170 } 171 172 /* converts from physical (mouse) position to logical position 173 (in range of trackbar) */ 174 175 static inline LONG 176 TRACKBAR_ConvertPlaceToPosition (const TRACKBAR_INFO *infoPtr, int place) 177 { 178 double range, width, pos, offsetthumb; 179 180 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 181 if (infoPtr->dwStyle & TBS_VERT) { 182 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; 183 width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - (offsetthumb * 2) - 1; 184 pos = (range*(place - infoPtr->rcChannel.top - offsetthumb)) / width; 185 } else { 186 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 187 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - (offsetthumb * 2) - 1; 188 pos = (range*(place - infoPtr->rcChannel.left - offsetthumb)) / width; 189 } 190 pos += infoPtr->lRangeMin; 191 if (pos > infoPtr->lRangeMax) 192 pos = infoPtr->lRangeMax; 193 else if (pos < infoPtr->lRangeMin) 194 pos = infoPtr->lRangeMin; 195 196 TRACE("%.2f\n", pos); 197 return (LONG)floor(pos + 0.5); 198 } 199 200 201 /* return: 0> prev, 0 none, >0 next */ 202 static LONG 203 TRACKBAR_GetAutoPageDirection (const TRACKBAR_INFO *infoPtr, POINT clickPoint) 204 { 205 RECT pageRect; 206 207 if (infoPtr->dwStyle & TBS_VERT) { 208 pageRect.top = infoPtr->rcChannel.top; 209 pageRect.bottom = infoPtr->rcChannel.bottom; 210 pageRect.left = infoPtr->rcThumb.left; 211 pageRect.right = infoPtr->rcThumb.right; 212 } else { 213 pageRect.top = infoPtr->rcThumb.top; 214 pageRect.bottom = infoPtr->rcThumb.bottom; 215 pageRect.left = infoPtr->rcChannel.left; 216 pageRect.right = infoPtr->rcChannel.right; 217 } 218 219 220 if (PtInRect(&pageRect, clickPoint)) 221 { 222 int clickPlace = (infoPtr->dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x; 223 224 LONG clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace); 225 226 return clickPos - infoPtr->lPos; 227 } 228 229 return 0; 230 } 231 232 static inline void 233 TRACKBAR_PageDown (TRACKBAR_INFO *infoPtr) 234 { 235 if (infoPtr->lPos == infoPtr->lRangeMax) return; 236 237 infoPtr->lPos += infoPtr->lPageSize; 238 if (infoPtr->lPos > infoPtr->lRangeMax) 239 infoPtr->lPos = infoPtr->lRangeMax; 240 notify_with_scroll (infoPtr, TB_PAGEDOWN); 241 } 242 243 244 static inline void 245 TRACKBAR_PageUp (TRACKBAR_INFO *infoPtr) 246 { 247 if (infoPtr->lPos == infoPtr->lRangeMin) return; 248 249 infoPtr->lPos -= infoPtr->lPageSize; 250 if (infoPtr->lPos < infoPtr->lRangeMin) 251 infoPtr->lPos = infoPtr->lRangeMin; 252 notify_with_scroll (infoPtr, TB_PAGEUP); 253 } 254 255 static inline void TRACKBAR_LineUp(TRACKBAR_INFO *infoPtr) 256 { 257 if (infoPtr->lPos == infoPtr->lRangeMin) return; 258 infoPtr->lPos -= infoPtr->lLineSize; 259 if (infoPtr->lPos < infoPtr->lRangeMin) 260 infoPtr->lPos = infoPtr->lRangeMin; 261 notify_with_scroll (infoPtr, TB_LINEUP); 262 } 263 264 static inline void TRACKBAR_LineDown(TRACKBAR_INFO *infoPtr) 265 { 266 if (infoPtr->lPos == infoPtr->lRangeMax) return; 267 infoPtr->lPos += infoPtr->lLineSize; 268 if (infoPtr->lPos > infoPtr->lRangeMax) 269 infoPtr->lPos = infoPtr->lRangeMax; 270 notify_with_scroll (infoPtr, TB_LINEDOWN); 271 } 272 273 static void 274 TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr) 275 { 276 INT cyChannel, offsetthumb, offsetedge; 277 RECT lpRect, *channel = & infoPtr->rcChannel; 278 279 GetClientRect (infoPtr->hwndSelf, &lpRect); 280 281 offsetthumb = infoPtr->uThumbLen / 4; 282 offsetedge = offsetthumb + 3; 283 cyChannel = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4; 284 if (infoPtr->dwStyle & TBS_VERT) { 285 channel->top = lpRect.top + offsetedge; 286 channel->bottom = lpRect.bottom - offsetedge; 287 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) 288 channel->left = lpRect.left + ((infoPtr->uThumbLen - cyChannel + 2) / 2); 289 else 290 channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1; 291 if (infoPtr->dwStyle & TBS_BOTH) { 292 if (infoPtr->dwStyle & TBS_NOTICKS) 293 channel->left += 1; 294 else 295 channel->left += 9; 296 } 297 else if (infoPtr->dwStyle & TBS_TOP) { 298 if (infoPtr->dwStyle & TBS_NOTICKS) 299 channel->left += 2; 300 else 301 channel->left += 10; 302 } 303 channel->right = channel->left + cyChannel; 304 } else { 305 channel->left = lpRect.left + offsetedge; 306 channel->right = lpRect.right - offsetedge; 307 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) 308 channel->top = lpRect.top + ((infoPtr->uThumbLen - cyChannel + 2) / 2); 309 else 310 channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1; 311 if (infoPtr->dwStyle & TBS_BOTH) { 312 if (infoPtr->dwStyle & TBS_NOTICKS) 313 channel->top += 1; 314 else 315 channel->top += 9; 316 } 317 else if (infoPtr->dwStyle & TBS_TOP) { 318 if (infoPtr->dwStyle & TBS_NOTICKS) 319 channel->top += 2; 320 else 321 channel->top += 10; 322 } 323 channel->bottom = channel->top + cyChannel; 324 } 325 } 326 327 static void 328 TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb) 329 { 330 int range, width, height, thumbwidth; 331 RECT lpRect; 332 333 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 334 thumbwidth = (infoPtr->uThumbLen / 2) | 1; 335 336 if (!range) range = 1; 337 338 GetClientRect(infoPtr->hwndSelf, &lpRect); 339 if (infoPtr->dwStyle & TBS_VERT) 340 { 341 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth; 342 343 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_LEFT)) && !(infoPtr->dwStyle & TBS_NOTICKS)) 344 thumb->left = 10; 345 else 346 thumb->left = 2; 347 thumb->right = thumb->left + infoPtr->uThumbLen; 348 thumb->top = infoPtr->rcChannel.top + 349 (height*(lPos - infoPtr->lRangeMin))/range; 350 thumb->bottom = thumb->top + thumbwidth; 351 } 352 else 353 { 354 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - thumbwidth; 355 356 thumb->left = infoPtr->rcChannel.left + 357 (width*(lPos - infoPtr->lRangeMin))/range; 358 thumb->right = thumb->left + thumbwidth; 359 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_TOP)) && !(infoPtr->dwStyle & TBS_NOTICKS)) 360 thumb->top = 10; 361 else 362 thumb->top = 2; 363 thumb->bottom = thumb->top + infoPtr->uThumbLen; 364 } 365 } 366 367 static inline void 368 TRACKBAR_UpdateThumb (TRACKBAR_INFO *infoPtr) 369 { 370 TRACKBAR_CalcThumb(infoPtr, infoPtr->lPos, &infoPtr->rcThumb); 371 } 372 373 static inline void 374 TRACKBAR_InvalidateAll (const TRACKBAR_INFO *infoPtr) 375 { 376 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE); 377 } 378 379 static void 380 TRACKBAR_InvalidateThumb (const TRACKBAR_INFO *infoPtr, LONG thumbPos) 381 { 382 RECT rcThumb; 383 384 TRACKBAR_CalcThumb(infoPtr, thumbPos, &rcThumb); 385 InflateRect(&rcThumb, 1, 1); 386 InvalidateRect(infoPtr->hwndSelf, &rcThumb, FALSE); 387 } 388 389 static inline void 390 TRACKBAR_InvalidateThumbMove (const TRACKBAR_INFO *infoPtr, LONG oldPos, LONG newPos) 391 { 392 TRACKBAR_InvalidateThumb (infoPtr, oldPos); 393 if (newPos != oldPos) 394 TRACKBAR_InvalidateThumb (infoPtr, newPos); 395 } 396 397 static inline BOOL 398 TRACKBAR_HasSelection (const TRACKBAR_INFO *infoPtr) 399 { 400 return infoPtr->lSelMin != infoPtr->lSelMax; 401 } 402 403 static void 404 TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr) 405 { 406 RECT *selection = &infoPtr->rcSelection; 407 int range = infoPtr->lRangeMax - infoPtr->lRangeMin; 408 int offsetthumb, height, width; 409 410 if (range <= 0) { 411 SetRectEmpty (selection); 412 } else { 413 if (infoPtr->dwStyle & TBS_VERT) { 414 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; 415 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - offsetthumb*2; 416 selection->top = infoPtr->rcChannel.top + offsetthumb + 417 (height*infoPtr->lSelMin)/range; 418 selection->bottom = infoPtr->rcChannel.top + offsetthumb + 419 (height*infoPtr->lSelMax)/range; 420 selection->left = infoPtr->rcChannel.left + 3; 421 selection->right = infoPtr->rcChannel.right - 3; 422 } else { 423 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 424 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2; 425 selection->left = infoPtr->rcChannel.left + offsetthumb + 426 (width*infoPtr->lSelMin)/range; 427 selection->right = infoPtr->rcChannel.left + offsetthumb + 428 (width*infoPtr->lSelMax)/range; 429 selection->top = infoPtr->rcChannel.top + 3; 430 selection->bottom = infoPtr->rcChannel.bottom - 3; 431 } 432 } 433 434 TRACE("selection[%s]\n", wine_dbgstr_rect(selection)); 435 } 436 437 static BOOL 438 TRACKBAR_AutoPage (TRACKBAR_INFO *infoPtr, POINT clickPoint) 439 { 440 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint); 441 LONG prevPos = infoPtr->lPos; 442 443 TRACE("clickPoint=%s, dir=%d\n", wine_dbgstr_point(&clickPoint), dir); 444 445 if (dir > 0 && (infoPtr->flags & TB_AUTO_PAGE_RIGHT)) 446 TRACKBAR_PageDown(infoPtr); 447 else if (dir < 0 && (infoPtr->flags & TB_AUTO_PAGE_LEFT)) 448 TRACKBAR_PageUp(infoPtr); 449 else return FALSE; 450 451 TRACKBAR_UpdateThumb (infoPtr); 452 TRACKBAR_InvalidateThumbMove (infoPtr, prevPos, infoPtr->lPos); 453 454 return TRUE; 455 } 456 457 /* Trackbar drawing code. I like my spaghetti done milanese. */ 458 459 static void 460 TRACKBAR_DrawChannel (const TRACKBAR_INFO *infoPtr, HDC hdc) 461 { 462 RECT rcChannel = infoPtr->rcChannel; 463 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 464 465 if (theme) 466 { 467 DrawThemeBackground (theme, hdc, 468 (infoPtr->dwStyle & TBS_VERT) ? 469 TKP_TRACKVERT : TKP_TRACK, TKS_NORMAL, &rcChannel, 0); 470 } 471 else 472 { 473 DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST); 474 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */ 475 FillRect (hdc, &rcChannel, GetStockObject(WHITE_BRUSH)); 476 if (TRACKBAR_HasSelection(infoPtr)) 477 FillRect (hdc, &infoPtr->rcSelection, GetSysColorBrush(COLOR_HIGHLIGHT)); 478 } 479 } 480 } 481 482 static void 483 TRACKBAR_DrawOneTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags) 484 { 485 int x, y, ox, oy, range, side, indent = 0, len = 3; 486 int offsetthumb; 487 RECT rcTics; 488 489 if (flags & TBS_VERT) { 490 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2; 491 SetRect(&rcTics, infoPtr->rcThumb.left - 2, infoPtr->rcChannel.top + offsetthumb, 492 infoPtr->rcThumb.right + 2, infoPtr->rcChannel.bottom - offsetthumb - 1); 493 } else { 494 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 495 SetRect(&rcTics, infoPtr->rcChannel.left + offsetthumb, infoPtr->rcThumb.top - 2, 496 infoPtr->rcChannel.right - offsetthumb - 1, infoPtr->rcThumb.bottom + 2); 497 } 498 499 if (flags & (TBS_TOP | TBS_LEFT)) { 500 x = rcTics.left; 501 y = rcTics.top; 502 side = -1; 503 } else { 504 x = rcTics.right; 505 y = rcTics.bottom; 506 side = 1; 507 } 508 509 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 510 if (range <= 0) 511 range = 1; /* to avoid division by zero */ 512 513 if (flags & TIC_SELECTIONMARK) { 514 indent = (flags & TIC_SELECTIONMARKMIN) ? -1 : 1; 515 } else if (flags & TIC_EDGE) { 516 len++; 517 } 518 519 if (flags & TBS_VERT) { 520 int height = rcTics.bottom - rcTics.top; 521 y = rcTics.top + (height*(ticPos - infoPtr->lRangeMin))/range; 522 } else { 523 int width = rcTics.right - rcTics.left; 524 x = rcTics.left + (width*(ticPos - infoPtr->lRangeMin))/range; 525 } 526 527 ox = x; 528 oy = y; 529 MoveToEx(hdc, x, y, 0); 530 if (flags & TBS_VERT) x += len * side; 531 else y += len * side; 532 LineTo(hdc, x, y); 533 534 if (flags & TIC_SELECTIONMARK) { 535 if (flags & TBS_VERT) { 536 x -= side; 537 } else { 538 y -= side; 539 } 540 MoveToEx(hdc, x, y, 0); 541 if (flags & TBS_VERT) { 542 y += 2 * indent; 543 } else { 544 x += 2 * indent; 545 } 546 547 LineTo(hdc, x, y); 548 LineTo(hdc, ox, oy); 549 } 550 } 551 552 553 static inline void 554 TRACKBAR_DrawTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags) 555 { 556 if ((flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH)) 557 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags | TBS_LEFT); 558 559 if (!(flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH)) 560 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags & ~TBS_LEFT); 561 } 562 563 static void 564 TRACKBAR_DrawTics (const TRACKBAR_INFO *infoPtr, HDC hdc) 565 { 566 unsigned int i; 567 int ticFlags = infoPtr->dwStyle & 0x0f; 568 LOGPEN ticPen = { PS_SOLID, {1, 0}, GetSysColor (COLOR_3DDKSHADOW) }; 569 HPEN hOldPen, hTicPen; 570 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 571 572 if (theme) 573 { 574 int part = (infoPtr->dwStyle & TBS_VERT) ? TKP_TICSVERT : TKP_TICS; 575 GetThemeColor (theme, part, TSS_NORMAL, TMT_COLOR, &ticPen.lopnColor); 576 } 577 /* create the pen to draw the tics with */ 578 hTicPen = CreatePenIndirect(&ticPen); 579 hOldPen = hTicPen ? SelectObject(hdc, hTicPen) : 0; 580 581 /* actually draw the tics */ 582 for (i=0; i<infoPtr->uNumTics; i++) 583 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->tics[i], ticFlags); 584 585 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMin, ticFlags | TIC_EDGE); 586 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMax, ticFlags | TIC_EDGE); 587 588 if ((infoPtr->dwStyle & TBS_ENABLESELRANGE) && TRACKBAR_HasSelection(infoPtr)) { 589 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMin, 590 ticFlags | TIC_SELECTIONMARKMIN); 591 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMax, 592 ticFlags | TIC_SELECTIONMARKMAX); 593 } 594 595 /* clean up the pen, if we created one */ 596 if (hTicPen) { 597 SelectObject(hdc, hOldPen); 598 DeleteObject(hTicPen); 599 } 600 } 601 602 static int 603 TRACKBAR_FillThumb (const TRACKBAR_INFO *infoPtr, HDC hdc, HBRUSH hbrush) 604 { 605 const RECT *thumb = &infoPtr->rcThumb; 606 POINT points[6]; 607 int PointDepth; 608 HBRUSH oldbr; 609 610 if (infoPtr->dwStyle & TBS_BOTH) 611 { 612 FillRect(hdc, thumb, hbrush); 613 return 0; 614 } 615 616 if (infoPtr->dwStyle & TBS_VERT) 617 { 618 PointDepth = (thumb->bottom - thumb->top) / 2; 619 if (infoPtr->dwStyle & TBS_LEFT) 620 { 621 points[0].x = thumb->right-1; 622 points[0].y = thumb->top; 623 points[1].x = thumb->right-1; 624 points[1].y = thumb->bottom-1; 625 points[2].x = thumb->left + PointDepth; 626 points[2].y = thumb->bottom-1; 627 points[3].x = thumb->left; 628 points[3].y = thumb->top + PointDepth; 629 points[4].x = thumb->left + PointDepth; 630 points[4].y = thumb->top; 631 points[5].x = points[0].x; 632 points[5].y = points[0].y; 633 } 634 else 635 { 636 points[0].x = thumb->right; 637 points[0].y = thumb->top + PointDepth; 638 points[1].x = thumb->right - PointDepth; 639 points[1].y = thumb->bottom-1; 640 points[2].x = thumb->left; 641 points[2].y = thumb->bottom-1; 642 points[3].x = thumb->left; 643 points[3].y = thumb->top; 644 points[4].x = thumb->right - PointDepth; 645 points[4].y = thumb->top; 646 points[5].x = points[0].x; 647 points[5].y = points[0].y; 648 } 649 } 650 else 651 { 652 PointDepth = (thumb->right - thumb->left) / 2; 653 if (infoPtr->dwStyle & TBS_TOP) 654 { 655 points[0].x = thumb->left + PointDepth; 656 points[0].y = thumb->top+1; 657 points[1].x = thumb->right-1; 658 points[1].y = thumb->top + PointDepth + 1; 659 points[2].x = thumb->right-1; 660 points[2].y = thumb->bottom-1; 661 points[3].x = thumb->left; 662 points[3].y = thumb->bottom-1; 663 points[4].x = thumb->left; 664 points[4].y = thumb->top + PointDepth + 1; 665 points[5].x = points[0].x; 666 points[5].y = points[0].y; 667 } 668 else 669 { 670 points[0].x = thumb->right-1; 671 points[0].y = thumb->top; 672 points[1].x = thumb->right-1; 673 points[1].y = thumb->bottom - PointDepth - 1; 674 points[2].x = thumb->left + PointDepth; 675 points[2].y = thumb->bottom-1; 676 points[3].x = thumb->left; 677 points[3].y = thumb->bottom - PointDepth - 1; 678 points[4].x = thumb->left; 679 points[4].y = thumb->top; 680 points[5].x = points[0].x; 681 points[5].y = points[0].y; 682 } 683 } 684 685 oldbr = SelectObject(hdc, hbrush); 686 SetPolyFillMode(hdc, WINDING); 687 Polygon(hdc, points, ARRAY_SIZE(points)); 688 SelectObject(hdc, oldbr); 689 690 return PointDepth; 691 } 692 693 static void 694 TRACKBAR_DrawThumb (TRACKBAR_INFO *infoPtr, HDC hdc) 695 { 696 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 697 int PointDepth; 698 HBRUSH brush; 699 700 if (theme) 701 { 702 int partId; 703 int stateId; 704 if (infoPtr->dwStyle & TBS_BOTH) 705 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBVERT : TKP_THUMB; 706 else if (infoPtr->dwStyle & TBS_LEFT) 707 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBLEFT : TKP_THUMBTOP; 708 else 709 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBRIGHT : TKP_THUMBBOTTOM; 710 711 if (infoPtr->dwStyle & WS_DISABLED) 712 stateId = TUS_DISABLED; 713 else if (infoPtr->flags & TB_DRAG_MODE) 714 stateId = TUS_PRESSED; 715 else if (infoPtr->flags & TB_THUMB_HOT) 716 stateId = TUS_HOT; 717 else 718 stateId = TUS_NORMAL; 719 720 DrawThemeBackground (theme, hdc, partId, stateId, &infoPtr->rcThumb, NULL); 721 722 return; 723 } 724 725 if (infoPtr->dwStyle & WS_DISABLED || infoPtr->flags & TB_DRAG_MODE) 726 { 727 if (comctl32_color.clr3dHilight == comctl32_color.clrWindow) 728 brush = COMCTL32_hPattern55AABrush; 729 else 730 brush = GetSysColorBrush(COLOR_SCROLLBAR); 731 732 SetTextColor(hdc, comctl32_color.clr3dFace); 733 SetBkColor(hdc, comctl32_color.clr3dHilight); 734 } 735 else 736 brush = GetSysColorBrush(COLOR_BTNFACE); 737 738 PointDepth = TRACKBAR_FillThumb(infoPtr, hdc, brush); 739 740 if (infoPtr->dwStyle & TBS_BOTH) 741 { 742 DrawEdge(hdc, &infoPtr->rcThumb, EDGE_RAISED, BF_RECT | BF_SOFT); 743 return; 744 } 745 else 746 { 747 RECT thumb = infoPtr->rcThumb; 748 749 if (infoPtr->dwStyle & TBS_VERT) 750 { 751 if (infoPtr->dwStyle & TBS_LEFT) 752 { 753 /* rectangular part */ 754 thumb.left += PointDepth; 755 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_RIGHT | BF_BOTTOM | BF_SOFT); 756 757 /* light edge */ 758 thumb.left -= PointDepth; 759 thumb.right = thumb.left + PointDepth; 760 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; 761 thumb.top = infoPtr->rcThumb.top; 762 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT); 763 764 /* shadowed edge */ 765 thumb.top += PointDepth; 766 thumb.bottom += PointDepth; 767 DrawEdge(hdc, &thumb, EDGE_SUNKEN, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); 768 return; 769 } 770 else 771 { 772 /* rectangular part */ 773 thumb.right -= PointDepth; 774 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_LEFT | BF_BOTTOM | BF_SOFT); 775 776 /* light edge */ 777 thumb.left = thumb.right; 778 thumb.right += PointDepth + 1; 779 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; 780 thumb.top = infoPtr->rcThumb.top; 781 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); 782 783 /* shadowed edge */ 784 thumb.top += PointDepth; 785 thumb.bottom += PointDepth; 786 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT); 787 } 788 } 789 else 790 { 791 if (infoPtr->dwStyle & TBS_TOP) 792 { 793 /* rectangular part */ 794 thumb.top += PointDepth; 795 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_BOTTOM | BF_RIGHT | BF_SOFT); 796 797 /* light edge */ 798 thumb.left = infoPtr->rcThumb.left; 799 thumb.right = thumb.left + PointDepth; 800 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1; 801 thumb.top -= PointDepth; 802 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT); 803 804 /* shadowed edge */ 805 thumb.left += PointDepth; 806 thumb.right += PointDepth; 807 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMRIGHT | BF_SOFT); 808 } 809 else 810 { 811 /* rectangular part */ 812 thumb.bottom -= PointDepth; 813 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT); 814 815 /* light edge */ 816 thumb.left = infoPtr->rcThumb.left; 817 thumb.right = thumb.left + PointDepth; 818 thumb.top = infoPtr->rcThumb.bottom - PointDepth - 1; 819 thumb.bottom += PointDepth; 820 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT); 821 822 /* shadowed edge */ 823 thumb.left += PointDepth; 824 thumb.right += PointDepth; 825 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT); 826 } 827 } 828 } 829 } 830 831 832 static inline void 833 TRACKBAR_ActivateToolTip (const TRACKBAR_INFO *infoPtr, BOOL fShow) 834 { 835 TTTOOLINFOW ti; 836 837 if (!infoPtr->hwndToolTip) return; 838 839 ZeroMemory(&ti, sizeof(ti)); 840 ti.cbSize = sizeof(ti); 841 ti.hwnd = infoPtr->hwndSelf; 842 843 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKACTIVATE, fShow, (LPARAM)&ti); 844 } 845 846 847 static void 848 TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr) 849 { 850 WCHAR buf[80]; 851 static const WCHAR fmt[] = { '%', 'l', 'd', 0 }; 852 TTTOOLINFOW ti; 853 POINT pt; 854 RECT rcClient; 855 LRESULT size; 856 857 if (!infoPtr->hwndToolTip) return; 858 859 ZeroMemory(&ti, sizeof(ti)); 860 ti.cbSize = sizeof(ti); 861 ti.hwnd = infoPtr->hwndSelf; 862 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE; 863 864 wsprintfW (buf, fmt, infoPtr->lPos); 865 ti.lpszText = buf; 866 SendMessageW (infoPtr->hwndToolTip, TTM_UPDATETIPTEXTW, 0, (LPARAM)&ti); 867 868 GetClientRect (infoPtr->hwndSelf, &rcClient); 869 size = SendMessageW (infoPtr->hwndToolTip, TTM_GETBUBBLESIZE, 0, (LPARAM)&ti); 870 if (infoPtr->dwStyle & TBS_VERT) { 871 if (infoPtr->fLocation == TBTS_LEFT) 872 pt.x = 0 - LOWORD(size) - TOOLTIP_OFFSET; 873 else 874 pt.x = rcClient.right + TOOLTIP_OFFSET; 875 pt.y = (infoPtr->rcThumb.top + infoPtr->rcThumb.bottom - HIWORD(size))/2; 876 } else { 877 if (infoPtr->fLocation == TBTS_TOP) 878 pt.y = 0 - HIWORD(size) - TOOLTIP_OFFSET; 879 else 880 pt.y = rcClient.bottom + TOOLTIP_OFFSET; 881 pt.x = (infoPtr->rcThumb.left + infoPtr->rcThumb.right - LOWORD(size))/2; 882 } 883 ClientToScreen(infoPtr->hwndSelf, &pt); 884 885 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKPOSITION, 886 0, MAKELPARAM(pt.x, pt.y)); 887 } 888 889 890 static void 891 TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst) 892 { 893 RECT rcClient; 894 HDC hdc; 895 HBITMAP hOldBmp = 0, hOffScreenBmp = 0; 896 NMCUSTOMDRAW nmcd; 897 int gcdrf, icdrf; 898 899 if (infoPtr->flags & TB_THUMBCHANGED) { 900 TRACKBAR_UpdateThumb (infoPtr); 901 if (infoPtr->flags & TB_THUMBSIZECHANGED) 902 TRACKBAR_CalcChannel (infoPtr); 903 } 904 if (infoPtr->flags & TB_SELECTIONCHANGED) 905 TRACKBAR_CalcSelection (infoPtr); 906 907 if (infoPtr->flags & TB_DRAG_MODE) 908 TRACKBAR_UpdateToolTip (infoPtr); 909 910 infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED); 911 912 GetClientRect (infoPtr->hwndSelf, &rcClient); 913 914 /* try to render offscreen, if we fail, carrry onscreen */ 915 hdc = CreateCompatibleDC(hdcDst); 916 if (hdc) { 917 hOffScreenBmp = CreateCompatibleBitmap(hdcDst, rcClient.right, rcClient.bottom); 918 if (hOffScreenBmp) { 919 hOldBmp = SelectObject(hdc, hOffScreenBmp); 920 } else { 921 DeleteObject(hdc); 922 hdc = hdcDst; 923 } 924 } else { 925 hdc = hdcDst; 926 } 927 928 ZeroMemory(&nmcd, sizeof(nmcd)); 929 nmcd.hdr.hwndFrom = infoPtr->hwndSelf; 930 nmcd.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID); 931 nmcd.hdr.code = NM_CUSTOMDRAW; 932 nmcd.hdc = hdc; 933 934 /* start the paint cycle */ 935 nmcd.rc = rcClient; 936 gcdrf = notify_customdraw(infoPtr, &nmcd, CDDS_PREPAINT); 937 if (gcdrf & CDRF_SKIPDEFAULT) goto cleanup; 938 939 /* Erase background */ 940 if (gcdrf == CDRF_DODEFAULT || 941 notify_customdraw(infoPtr, &nmcd, CDDS_PREERASE) != CDRF_SKIPDEFAULT) { 942 if (GetWindowTheme (infoPtr->hwndSelf)) { 943 DrawThemeParentBackground (infoPtr->hwndSelf, hdc, 0); 944 } 945 #ifndef __REACTOS__ 946 else { 947 #else 948 { 949 #endif 950 HBRUSH brush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC, 951 (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf); 952 FillRect (hdc, &rcClient, brush ? brush : GetSysColorBrush(COLOR_BTNFACE)); 953 } 954 if (gcdrf != CDRF_DODEFAULT) 955 notify_customdraw(infoPtr, &nmcd, CDDS_POSTERASE); 956 } 957 958 /* draw channel */ 959 if (gcdrf & CDRF_NOTIFYITEMDRAW) { 960 nmcd.dwItemSpec = TBCD_CHANNEL; 961 nmcd.uItemState = CDIS_DEFAULT; 962 nmcd.rc = infoPtr->rcChannel; 963 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); 964 } else icdrf = CDRF_DODEFAULT; 965 if ( !(icdrf & CDRF_SKIPDEFAULT) ) { 966 TRACKBAR_DrawChannel (infoPtr, hdc); 967 if (icdrf & CDRF_NOTIFYPOSTPAINT) 968 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); 969 } 970 971 972 /* draw tics */ 973 if (!(infoPtr->dwStyle & TBS_NOTICKS)) { 974 if (gcdrf & CDRF_NOTIFYITEMDRAW) { 975 nmcd.dwItemSpec = TBCD_TICS; 976 nmcd.uItemState = CDIS_DEFAULT; 977 nmcd.rc = rcClient; 978 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); 979 } else icdrf = CDRF_DODEFAULT; 980 if ( !(icdrf & CDRF_SKIPDEFAULT) ) { 981 TRACKBAR_DrawTics (infoPtr, hdc); 982 if (icdrf & CDRF_NOTIFYPOSTPAINT) 983 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); 984 } 985 } 986 987 /* draw thumb */ 988 if (!(infoPtr->dwStyle & TBS_NOTHUMB)) { 989 if (gcdrf & CDRF_NOTIFYITEMDRAW) { 990 nmcd.dwItemSpec = TBCD_THUMB; 991 nmcd.uItemState = infoPtr->flags & TB_DRAG_MODE ? CDIS_HOT : CDIS_DEFAULT; 992 nmcd.rc = infoPtr->rcThumb; 993 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT); 994 } else icdrf = CDRF_DODEFAULT; 995 if ( !(icdrf & CDRF_SKIPDEFAULT) ) { 996 TRACKBAR_DrawThumb(infoPtr, hdc); 997 if (icdrf & CDRF_NOTIFYPOSTPAINT) 998 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT); 999 } 1000 } 1001 1002 /* draw focus rectangle */ 1003 if (infoPtr->bFocussed) { 1004 DrawFocusRect(hdc, &rcClient); 1005 } 1006 1007 /* finish up the painting */ 1008 if (gcdrf & CDRF_NOTIFYPOSTPAINT) 1009 notify_customdraw(infoPtr, &nmcd, CDDS_POSTPAINT); 1010 1011 cleanup: 1012 /* cleanup, if we rendered offscreen */ 1013 if (hdc != hdcDst) { 1014 BitBlt(hdcDst, 0, 0, rcClient.right, rcClient.bottom, hdc, 0, 0, SRCCOPY); 1015 SelectObject(hdc, hOldBmp); 1016 DeleteObject(hOffScreenBmp); 1017 DeleteObject(hdc); 1018 } 1019 } 1020 1021 1022 static void 1023 TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr) 1024 { 1025 HWND hwndParent = GetParent (infoPtr->hwndSelf); 1026 RECT rcSelf, rcBuddy; 1027 INT x, y; 1028 1029 GetWindowRect (infoPtr->hwndSelf, &rcSelf); 1030 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcSelf, 2); 1031 1032 /* align buddy left or above */ 1033 if (infoPtr->hwndBuddyLA) { 1034 GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy); 1035 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2); 1036 1037 if (infoPtr->dwStyle & TBS_VERT) { 1038 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 - 1039 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left; 1040 y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top); 1041 } 1042 else { 1043 x = rcSelf.left - (rcBuddy.right - rcBuddy.left); 1044 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 - 1045 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top; 1046 } 1047 1048 SetWindowPos (infoPtr->hwndBuddyLA, 0, x, y, 0, 0, 1049 SWP_NOZORDER | SWP_NOSIZE); 1050 } 1051 1052 1053 /* align buddy right or below */ 1054 if (infoPtr->hwndBuddyRB) { 1055 GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy); 1056 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2); 1057 1058 if (infoPtr->dwStyle & TBS_VERT) { 1059 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 - 1060 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left; 1061 y = rcSelf.bottom; 1062 } 1063 else { 1064 x = rcSelf.right; 1065 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 - 1066 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top; 1067 } 1068 SetWindowPos (infoPtr->hwndBuddyRB, 0, x, y, 0, 0, 1069 SWP_NOZORDER | SWP_NOSIZE); 1070 } 1071 } 1072 1073 1074 static LRESULT 1075 TRACKBAR_ClearSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw) 1076 { 1077 infoPtr->lSelMin = 0; 1078 infoPtr->lSelMax = 0; 1079 infoPtr->flags |= TB_SELECTIONCHANGED; 1080 1081 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1082 1083 return 0; 1084 } 1085 1086 1087 static LRESULT 1088 TRACKBAR_ClearTics (TRACKBAR_INFO *infoPtr, BOOL fRedraw) 1089 { 1090 if (infoPtr->tics) { 1091 Free (infoPtr->tics); 1092 infoPtr->tics = NULL; 1093 infoPtr->uNumTics = 0; 1094 } 1095 1096 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1097 1098 return 0; 1099 } 1100 1101 1102 static inline LRESULT 1103 TRACKBAR_GetChannelRect (const TRACKBAR_INFO *infoPtr, LPRECT lprc) 1104 { 1105 if (lprc == NULL) return 0; 1106 1107 lprc->left = infoPtr->rcChannel.left; 1108 lprc->right = infoPtr->rcChannel.right; 1109 lprc->bottom = infoPtr->rcChannel.bottom; 1110 lprc->top = infoPtr->rcChannel.top; 1111 1112 return 0; 1113 } 1114 1115 1116 static inline LONG 1117 TRACKBAR_GetNumTics (const TRACKBAR_INFO *infoPtr) 1118 { 1119 if (infoPtr->dwStyle & TBS_NOTICKS) return 0; 1120 1121 return infoPtr->uNumTics + 2; 1122 } 1123 1124 1125 static int comp_tics (const void *ap, const void *bp) 1126 { 1127 const DWORD a = *(const DWORD *)ap; 1128 const DWORD b = *(const DWORD *)bp; 1129 1130 TRACE("(a=%d, b=%d)\n", a, b); 1131 if (a < b) return -1; 1132 if (a > b) return 1; 1133 return 0; 1134 } 1135 1136 1137 static inline LONG 1138 TRACKBAR_GetTic (const TRACKBAR_INFO *infoPtr, INT iTic) 1139 { 1140 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics) 1141 return -1; 1142 1143 qsort(infoPtr->tics, infoPtr->uNumTics, sizeof(DWORD), comp_tics); 1144 return infoPtr->tics[iTic]; 1145 } 1146 1147 1148 static inline LONG 1149 TRACKBAR_GetTicPos (const TRACKBAR_INFO *infoPtr, INT iTic) 1150 { 1151 LONG range, width, pos, tic; 1152 int offsetthumb; 1153 1154 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics) 1155 return -1; 1156 1157 tic = TRACKBAR_GetTic (infoPtr, iTic); 1158 range = infoPtr->lRangeMax - infoPtr->lRangeMin; 1159 if (range <= 0) range = 1; 1160 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2; 1161 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2; 1162 pos = infoPtr->rcChannel.left + offsetthumb + (width * tic) / range; 1163 1164 return pos; 1165 } 1166 1167 1168 static HWND 1169 TRACKBAR_SetBuddy (TRACKBAR_INFO *infoPtr, BOOL fLocation, HWND hwndBuddy) 1170 { 1171 HWND hwndTemp; 1172 1173 if (fLocation) { 1174 /* buddy is left or above */ 1175 hwndTemp = infoPtr->hwndBuddyLA; 1176 infoPtr->hwndBuddyLA = hwndBuddy; 1177 } 1178 else { 1179 /* buddy is right or below */ 1180 hwndTemp = infoPtr->hwndBuddyRB; 1181 infoPtr->hwndBuddyRB = hwndBuddy; 1182 } 1183 1184 TRACKBAR_AlignBuddies (infoPtr); 1185 1186 return hwndTemp; 1187 } 1188 1189 1190 static inline LONG 1191 TRACKBAR_SetLineSize (TRACKBAR_INFO *infoPtr, LONG lLineSize) 1192 { 1193 LONG lTemp = infoPtr->lLineSize; 1194 1195 infoPtr->lLineSize = lLineSize; 1196 1197 return lTemp; 1198 } 1199 1200 1201 static inline LONG 1202 TRACKBAR_SetPageSize (TRACKBAR_INFO *infoPtr, LONG lPageSize) 1203 { 1204 LONG lTemp = infoPtr->lPageSize; 1205 1206 if (lPageSize != -1) 1207 infoPtr->lPageSize = lPageSize; 1208 else 1209 infoPtr->lPageSize = TB_DEFAULTPAGESIZE; 1210 1211 return lTemp; 1212 } 1213 1214 1215 static inline LRESULT 1216 TRACKBAR_SetPos (TRACKBAR_INFO *infoPtr, BOOL fPosition, LONG lPosition) 1217 { 1218 LONG oldPos = infoPtr->lPos; 1219 infoPtr->lPos = lPosition; 1220 1221 if (infoPtr->lPos < infoPtr->lRangeMin) 1222 infoPtr->lPos = infoPtr->lRangeMin; 1223 1224 if (infoPtr->lPos > infoPtr->lRangeMax) 1225 infoPtr->lPos = infoPtr->lRangeMax; 1226 1227 if (fPosition && oldPos != lPosition) 1228 { 1229 TRACKBAR_UpdateThumb(infoPtr); 1230 TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, lPosition); 1231 } 1232 1233 return 0; 1234 } 1235 1236 1237 static inline LRESULT 1238 TRACKBAR_SetRange (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG range) 1239 { 1240 BOOL changed = infoPtr->lRangeMin != (SHORT)LOWORD(range) || 1241 infoPtr->lRangeMax != (SHORT)HIWORD(range); 1242 1243 infoPtr->lRangeMin = (SHORT)LOWORD(range); 1244 infoPtr->lRangeMax = (SHORT)HIWORD(range); 1245 1246 /* clip position to new min/max limit */ 1247 if (infoPtr->lPos < infoPtr->lRangeMin) 1248 infoPtr->lPos = infoPtr->lRangeMin; 1249 1250 if (infoPtr->lPos > infoPtr->lRangeMax) 1251 infoPtr->lPos = infoPtr->lRangeMax; 1252 1253 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5; 1254 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1; 1255 1256 if (changed) { 1257 if (infoPtr->dwStyle & TBS_AUTOTICKS) 1258 TRACKBAR_RecalculateTics (infoPtr); 1259 infoPtr->flags |= TB_THUMBPOSCHANGED; 1260 } 1261 1262 if (redraw) TRACKBAR_InvalidateAll(infoPtr); 1263 1264 return 0; 1265 } 1266 1267 1268 static inline LRESULT 1269 TRACKBAR_SetRangeMax (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMax) 1270 { 1271 BOOL changed = infoPtr->lRangeMax != lMax; 1272 LONG rightmost = max(lMax, infoPtr->lRangeMin); 1273 1274 infoPtr->lRangeMax = lMax; 1275 if (infoPtr->lPos > rightmost) { 1276 infoPtr->lPos = rightmost; 1277 infoPtr->flags |= TB_THUMBPOSCHANGED; 1278 } 1279 1280 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5; 1281 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1; 1282 1283 if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS)) 1284 TRACKBAR_RecalculateTics (infoPtr); 1285 1286 if (redraw) TRACKBAR_InvalidateAll(infoPtr); 1287 1288 return 0; 1289 } 1290 1291 1292 static inline LRESULT 1293 TRACKBAR_SetRangeMin (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMin) 1294 { 1295 BOOL changed = infoPtr->lRangeMin != lMin; 1296 1297 infoPtr->lRangeMin = lMin; 1298 if (infoPtr->lPos < infoPtr->lRangeMin) { 1299 infoPtr->lPos = infoPtr->lRangeMin; 1300 infoPtr->flags |= TB_THUMBPOSCHANGED; 1301 } 1302 1303 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5; 1304 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1; 1305 1306 if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS)) 1307 TRACKBAR_RecalculateTics (infoPtr); 1308 1309 if (redraw) TRACKBAR_InvalidateAll(infoPtr); 1310 1311 return 0; 1312 } 1313 1314 1315 static inline LRESULT 1316 TRACKBAR_SetSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lSel) 1317 { 1318 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ 1319 infoPtr->lSelMin = 0; 1320 infoPtr->lSelMax = 0; 1321 return 0; 1322 } 1323 1324 infoPtr->lSelMin = (SHORT)LOWORD(lSel); 1325 infoPtr->lSelMax = (SHORT)HIWORD(lSel); 1326 infoPtr->flags |= TB_SELECTIONCHANGED; 1327 1328 if (infoPtr->lSelMin < infoPtr->lRangeMin) 1329 infoPtr->lSelMin = infoPtr->lRangeMin; 1330 if (infoPtr->lSelMax > infoPtr->lRangeMax) 1331 infoPtr->lSelMax = infoPtr->lRangeMax; 1332 1333 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1334 1335 return 0; 1336 } 1337 1338 1339 static inline LRESULT 1340 TRACKBAR_SetSelEnd (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lEnd) 1341 { 1342 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ 1343 infoPtr->lSelMax = 0; 1344 return 0; 1345 } 1346 1347 infoPtr->lSelMax = lEnd; 1348 infoPtr->flags |= TB_SELECTIONCHANGED; 1349 1350 if (infoPtr->lSelMax > infoPtr->lRangeMax) 1351 infoPtr->lSelMax = infoPtr->lRangeMax; 1352 1353 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1354 1355 return 0; 1356 } 1357 1358 1359 static inline LRESULT 1360 TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart) 1361 { 1362 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){ 1363 infoPtr->lSelMin = 0; 1364 return 0; 1365 } 1366 1367 infoPtr->lSelMin = lStart; 1368 infoPtr->flags |=TB_SELECTIONCHANGED; 1369 1370 if (infoPtr->lSelMin < infoPtr->lRangeMin) 1371 infoPtr->lSelMin = infoPtr->lRangeMin; 1372 1373 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr); 1374 1375 return 0; 1376 } 1377 1378 1379 static inline LRESULT 1380 TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength) 1381 { 1382 if (infoPtr->dwStyle & TBS_FIXEDLENGTH) { 1383 /* We're not supposed to check if it's really changed or not, 1384 just repaint in any case. */ 1385 infoPtr->uThumbLen = iLength; 1386 infoPtr->flags |= TB_THUMBSIZECHANGED; 1387 TRACKBAR_InvalidateAll(infoPtr); 1388 } 1389 1390 return 0; 1391 } 1392 1393 1394 static inline LRESULT 1395 TRACKBAR_SetTic (TRACKBAR_INFO *infoPtr, LONG lPos) 1396 { 1397 if ((lPos < infoPtr->lRangeMin) || (lPos> infoPtr->lRangeMax)) 1398 return FALSE; 1399 1400 TRACE("lPos=%d\n", lPos); 1401 1402 infoPtr->uNumTics++; 1403 infoPtr->tics=ReAlloc( infoPtr->tics, 1404 (infoPtr->uNumTics)*sizeof (DWORD)); 1405 if (!infoPtr->tics) { 1406 infoPtr->uNumTics = 0; 1407 notify(infoPtr, NM_OUTOFMEMORY); 1408 return FALSE; 1409 } 1410 infoPtr->tics[infoPtr->uNumTics-1] = lPos; 1411 1412 TRACKBAR_InvalidateAll(infoPtr); 1413 1414 return TRUE; 1415 } 1416 1417 1418 static inline LRESULT 1419 TRACKBAR_SetTicFreq (TRACKBAR_INFO *infoPtr, WORD wFreq) 1420 { 1421 if (infoPtr->dwStyle & TBS_AUTOTICKS) { 1422 infoPtr->uTicFreq = wFreq; 1423 TRACKBAR_RecalculateTics (infoPtr); 1424 TRACKBAR_InvalidateAll(infoPtr); 1425 } 1426 1427 TRACKBAR_UpdateThumb (infoPtr); 1428 return 0; 1429 } 1430 1431 1432 static inline INT 1433 TRACKBAR_SetTipSide (TRACKBAR_INFO *infoPtr, INT fLocation) 1434 { 1435 INT fTemp = infoPtr->fLocation; 1436 1437 infoPtr->fLocation = fLocation; 1438 1439 return fTemp; 1440 } 1441 1442 1443 static inline LRESULT 1444 TRACKBAR_SetToolTips (TRACKBAR_INFO *infoPtr, HWND hwndTT) 1445 { 1446 infoPtr->hwndToolTip = hwndTT; 1447 1448 return 0; 1449 } 1450 1451 1452 static inline BOOL 1453 TRACKBAR_SetUnicodeFormat (TRACKBAR_INFO *infoPtr, BOOL fUnicode) 1454 { 1455 BOOL bTemp = infoPtr->bUnicode; 1456 1457 infoPtr->bUnicode = fUnicode; 1458 1459 return bTemp; 1460 } 1461 1462 1463 static LRESULT 1464 TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr) 1465 { 1466 RECT rect; 1467 int clientWidth, clientMetric; 1468 1469 /* initial thumb length */ 1470 clientMetric = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? 23 : 21; 1471 GetClientRect(infoPtr->hwndSelf,&rect); 1472 if (infoPtr->dwStyle & TBS_VERT) { 1473 clientWidth = rect.right - rect.left; 1474 } else { 1475 clientWidth = rect.bottom - rect.top; 1476 } 1477 if (clientWidth >= clientMetric) 1478 infoPtr->uThumbLen = clientMetric; 1479 else 1480 infoPtr->uThumbLen = clientWidth > 9 ? clientWidth - 6 : 4; 1481 1482 TRACKBAR_CalcChannel (infoPtr); 1483 TRACKBAR_UpdateThumb (infoPtr); 1484 infoPtr->flags &= ~TB_SELECTIONCHANGED; 1485 1486 return 0; 1487 } 1488 1489 1490 static LRESULT 1491 TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs) 1492 { 1493 TRACKBAR_INFO *infoPtr; 1494 1495 infoPtr = Alloc (sizeof(TRACKBAR_INFO)); 1496 if (!infoPtr) return -1; 1497 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr); 1498 1499 /* set default values */ 1500 infoPtr->hwndSelf = hwnd; 1501 infoPtr->dwStyle = lpcs->style; 1502 infoPtr->lRangeMin = 0; 1503 infoPtr->lRangeMax = 100; 1504 infoPtr->lLineSize = 1; 1505 infoPtr->lPageSize = TB_DEFAULTPAGESIZE; 1506 infoPtr->lSelMin = 0; 1507 infoPtr->lSelMax = 0; 1508 infoPtr->lPos = 0; 1509 infoPtr->fLocation = TBTS_TOP; 1510 infoPtr->uNumTics = 0; /* start and end tic are not included in count*/ 1511 infoPtr->uTicFreq = 1; 1512 infoPtr->tics = NULL; 1513 infoPtr->hwndNotify= lpcs->hwndParent; 1514 1515 TRACKBAR_InitializeThumb (infoPtr); 1516 1517 /* Create tooltip control */ 1518 if (infoPtr->dwStyle & TBS_TOOLTIPS) { 1519 1520 infoPtr->hwndToolTip = 1521 CreateWindowExW (0, TOOLTIPS_CLASSW, NULL, WS_POPUP, 1522 CW_USEDEFAULT, CW_USEDEFAULT, 1523 CW_USEDEFAULT, CW_USEDEFAULT, 1524 hwnd, 0, 0, 0); 1525 1526 if (infoPtr->hwndToolTip) { 1527 TTTOOLINFOW ti; 1528 WCHAR wEmpty = 0; 1529 ZeroMemory (&ti, sizeof(ti)); 1530 ti.cbSize = sizeof(ti); 1531 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE; 1532 ti.hwnd = hwnd; 1533 ti.lpszText = &wEmpty; 1534 1535 SendMessageW (infoPtr->hwndToolTip, TTM_ADDTOOLW, 0, (LPARAM)&ti); 1536 } 1537 } 1538 1539 OpenThemeData (hwnd, themeClass); 1540 1541 return 0; 1542 } 1543 1544 1545 static LRESULT 1546 TRACKBAR_Destroy (TRACKBAR_INFO *infoPtr) 1547 { 1548 /* delete tooltip control */ 1549 if (infoPtr->hwndToolTip) 1550 DestroyWindow (infoPtr->hwndToolTip); 1551 1552 Free (infoPtr->tics); 1553 infoPtr->tics = NULL; 1554 1555 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0); 1556 CloseThemeData (GetWindowTheme (infoPtr->hwndSelf)); 1557 Free (infoPtr); 1558 1559 return 0; 1560 } 1561 1562 1563 static LRESULT 1564 TRACKBAR_KillFocus (TRACKBAR_INFO *infoPtr) 1565 { 1566 TRACE("\n"); 1567 infoPtr->bFocussed = FALSE; 1568 TRACKBAR_InvalidateAll(infoPtr); 1569 1570 return 0; 1571 } 1572 1573 static LRESULT 1574 TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, INT x, INT y) 1575 { 1576 POINT clickPoint; 1577 1578 clickPoint.x = x; 1579 clickPoint.y = y; 1580 1581 SetFocus(infoPtr->hwndSelf); 1582 1583 if (PtInRect(&infoPtr->rcThumb, clickPoint)) { 1584 infoPtr->flags |= TB_DRAG_MODE; 1585 SetCapture (infoPtr->hwndSelf); 1586 TRACKBAR_UpdateToolTip (infoPtr); 1587 TRACKBAR_ActivateToolTip (infoPtr, TRUE); 1588 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos); 1589 } else { 1590 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint); 1591 if (dir == 0) return 0; 1592 infoPtr->flags |= (dir < 0) ? TB_AUTO_PAGE_LEFT : TB_AUTO_PAGE_RIGHT; 1593 TRACKBAR_AutoPage (infoPtr, clickPoint); 1594 SetCapture (infoPtr->hwndSelf); 1595 SetTimer(infoPtr->hwndSelf, TB_REFRESH_TIMER, TB_REFRESH_DELAY, 0); 1596 } 1597 1598 return 0; 1599 } 1600 1601 1602 static LRESULT 1603 TRACKBAR_LButtonUp (TRACKBAR_INFO *infoPtr) 1604 { 1605 if (infoPtr->flags & TB_DRAG_MODE) { 1606 notify_with_scroll (infoPtr, TB_THUMBPOSITION | (infoPtr->lPos<<16)); 1607 notify_with_scroll (infoPtr, TB_ENDTRACK); 1608 infoPtr->flags &= ~TB_DRAG_MODE; 1609 ReleaseCapture (); 1610 notify(infoPtr, NM_RELEASEDCAPTURE); 1611 TRACKBAR_ActivateToolTip(infoPtr, FALSE); 1612 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos); 1613 } 1614 if (infoPtr->flags & TB_AUTO_PAGE) { 1615 KillTimer (infoPtr->hwndSelf, TB_REFRESH_TIMER); 1616 infoPtr->flags &= ~TB_AUTO_PAGE; 1617 notify_with_scroll (infoPtr, TB_ENDTRACK); 1618 ReleaseCapture (); 1619 notify(infoPtr, NM_RELEASEDCAPTURE); 1620 } 1621 1622 return 0; 1623 } 1624 1625 1626 static LRESULT 1627 TRACKBAR_CaptureChanged (const TRACKBAR_INFO *infoPtr) 1628 { 1629 notify_with_scroll (infoPtr, TB_ENDTRACK); 1630 return 0; 1631 } 1632 1633 1634 static LRESULT 1635 TRACKBAR_Paint (TRACKBAR_INFO *infoPtr, HDC hdc) 1636 { 1637 if (hdc) { 1638 TRACKBAR_Refresh(infoPtr, hdc); 1639 } else { 1640 PAINTSTRUCT ps; 1641 hdc = BeginPaint (infoPtr->hwndSelf, &ps); 1642 TRACKBAR_Refresh (infoPtr, hdc); 1643 EndPaint (infoPtr->hwndSelf, &ps); 1644 } 1645 1646 return 0; 1647 } 1648 1649 1650 static LRESULT 1651 TRACKBAR_SetFocus (TRACKBAR_INFO *infoPtr) 1652 { 1653 TRACE("\n"); 1654 infoPtr->bFocussed = TRUE; 1655 TRACKBAR_InvalidateAll(infoPtr); 1656 1657 return 0; 1658 } 1659 1660 1661 static LRESULT 1662 TRACKBAR_Size (TRACKBAR_INFO *infoPtr) 1663 { 1664 if (infoPtr->dwStyle & TBS_FIXEDLENGTH) 1665 { 1666 TRACKBAR_CalcChannel(infoPtr); 1667 TRACKBAR_UpdateThumb(infoPtr); 1668 } 1669 else 1670 TRACKBAR_InitializeThumb(infoPtr); 1671 TRACKBAR_AlignBuddies (infoPtr); 1672 TRACKBAR_InvalidateAll(infoPtr); 1673 1674 return 0; 1675 } 1676 1677 static LRESULT 1678 TRACKBAR_StyleChanged (TRACKBAR_INFO *infoPtr, WPARAM wStyleType, 1679 const STYLESTRUCT *lpss) 1680 { 1681 if (wStyleType != GWL_STYLE) return 0; 1682 1683 infoPtr->dwStyle = lpss->styleNew; 1684 1685 return 0; 1686 } 1687 1688 static LRESULT 1689 TRACKBAR_Timer (TRACKBAR_INFO *infoPtr) 1690 { 1691 if (infoPtr->flags & TB_AUTO_PAGE) { 1692 POINT pt; 1693 if (GetCursorPos(&pt)) 1694 if (ScreenToClient(infoPtr->hwndSelf, &pt)) 1695 TRACKBAR_AutoPage(infoPtr, pt); 1696 } 1697 return 0; 1698 } 1699 1700 1701 /* update theme after a WM_THEMECHANGED message */ 1702 static LRESULT theme_changed (const TRACKBAR_INFO* infoPtr) 1703 { 1704 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf); 1705 CloseThemeData (theme); 1706 OpenThemeData (infoPtr->hwndSelf, themeClass); 1707 return 0; 1708 } 1709 1710 1711 static LRESULT 1712 TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y) 1713 { 1714 INT clickPlace = (infoPtr->dwStyle & TBS_VERT) ? y : x; 1715 LONG dragPos, oldPos = infoPtr->lPos; 1716 1717 TRACE("(x=%d. y=%d)\n", x, y); 1718 1719 if (infoPtr->flags & TB_AUTO_PAGE) { 1720 POINT pt; 1721 pt.x = x; 1722 pt.y = y; 1723 TRACKBAR_AutoPage (infoPtr, pt); 1724 return TRUE; 1725 } 1726 1727 if (!(infoPtr->flags & TB_DRAG_MODE)) 1728 { 1729 if (GetWindowTheme (infoPtr->hwndSelf)) 1730 { 1731 DWORD oldFlags = infoPtr->flags; 1732 POINT pt; 1733 pt.x = x; 1734 pt.y = y; 1735 if (PtInRect (&infoPtr->rcThumb, pt)) 1736 { 1737 TRACKMOUSEEVENT tme; 1738 tme.cbSize = sizeof( tme ); 1739 tme.dwFlags = TME_LEAVE; 1740 tme.hwndTrack = infoPtr->hwndSelf; 1741 TrackMouseEvent( &tme ); 1742 infoPtr->flags |= TB_THUMB_HOT; 1743 } 1744 else 1745 { 1746 TRACKMOUSEEVENT tme; 1747 tme.cbSize = sizeof( tme ); 1748 tme.dwFlags = TME_CANCEL; 1749 tme.hwndTrack = infoPtr->hwndSelf; 1750 TrackMouseEvent( &tme ); 1751 infoPtr->flags &= ~TB_THUMB_HOT; 1752 } 1753 if (oldFlags != infoPtr->flags) InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE); 1754 } 1755 return TRUE; 1756 } 1757 1758 dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace); 1759 1760 if (dragPos == oldPos) return TRUE; 1761 1762 infoPtr->lPos = dragPos; 1763 TRACKBAR_UpdateThumb (infoPtr); 1764 1765 notify_with_scroll (infoPtr, TB_THUMBTRACK | (infoPtr->lPos<<16)); 1766 1767 TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, dragPos); 1768 UpdateWindow (infoPtr->hwndSelf); 1769 1770 return TRUE; 1771 } 1772 1773 static BOOL 1774 TRACKBAR_KeyDown (TRACKBAR_INFO *infoPtr, INT nVirtKey) 1775 { 1776 BOOL downIsLeft = infoPtr->dwStyle & TBS_DOWNISLEFT; 1777 BOOL vert = infoPtr->dwStyle & TBS_VERT; 1778 LONG pos = infoPtr->lPos; 1779 1780 TRACE("%x\n", nVirtKey); 1781 1782 switch (nVirtKey) { 1783 case VK_UP: 1784 if (!vert && downIsLeft) TRACKBAR_LineDown(infoPtr); 1785 else TRACKBAR_LineUp(infoPtr); 1786 break; 1787 case VK_LEFT: 1788 if (vert && downIsLeft) TRACKBAR_LineDown(infoPtr); 1789 else TRACKBAR_LineUp(infoPtr); 1790 break; 1791 case VK_DOWN: 1792 if (!vert && downIsLeft) TRACKBAR_LineUp(infoPtr); 1793 else TRACKBAR_LineDown(infoPtr); 1794 break; 1795 case VK_RIGHT: 1796 if (vert && downIsLeft) TRACKBAR_LineUp(infoPtr); 1797 else TRACKBAR_LineDown(infoPtr); 1798 break; 1799 case VK_NEXT: 1800 if (!vert && downIsLeft) TRACKBAR_PageUp(infoPtr); 1801 else TRACKBAR_PageDown(infoPtr); 1802 break; 1803 case VK_PRIOR: 1804 if (!vert && downIsLeft) TRACKBAR_PageDown(infoPtr); 1805 else TRACKBAR_PageUp(infoPtr); 1806 break; 1807 case VK_HOME: 1808 if (infoPtr->lPos == infoPtr->lRangeMin) return FALSE; 1809 infoPtr->lPos = infoPtr->lRangeMin; 1810 notify_with_scroll (infoPtr, TB_TOP); 1811 break; 1812 case VK_END: 1813 if (infoPtr->lPos == infoPtr->lRangeMax) return FALSE; 1814 infoPtr->lPos = infoPtr->lRangeMax; 1815 notify_with_scroll (infoPtr, TB_BOTTOM); 1816 break; 1817 } 1818 1819 if (pos != infoPtr->lPos) { 1820 TRACKBAR_UpdateThumb (infoPtr); 1821 TRACKBAR_InvalidateThumbMove (infoPtr, pos, infoPtr->lPos); 1822 } 1823 1824 return TRUE; 1825 } 1826 1827 1828 static inline BOOL 1829 TRACKBAR_KeyUp (const TRACKBAR_INFO *infoPtr, INT nVirtKey) 1830 { 1831 switch (nVirtKey) { 1832 case VK_LEFT: 1833 case VK_UP: 1834 case VK_RIGHT: 1835 case VK_DOWN: 1836 case VK_NEXT: 1837 case VK_PRIOR: 1838 case VK_HOME: 1839 case VK_END: 1840 notify_with_scroll (infoPtr, TB_ENDTRACK); 1841 } 1842 return TRUE; 1843 } 1844 1845 1846 static LRESULT 1847 TRACKBAR_Enable (TRACKBAR_INFO *infoPtr, BOOL enable) 1848 { 1849 if (enable) 1850 infoPtr->dwStyle &= ~WS_DISABLED; 1851 else 1852 infoPtr->dwStyle |= WS_DISABLED; 1853 1854 InvalidateRect(infoPtr->hwndSelf, &infoPtr->rcThumb, TRUE); 1855 1856 return 1; 1857 } 1858 1859 static LRESULT WINAPI 1860 TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 1861 { 1862 TRACKBAR_INFO *infoPtr = (TRACKBAR_INFO *)GetWindowLongPtrW (hwnd, 0); 1863 1864 TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hwnd, uMsg, wParam, lParam); 1865 1866 if (!infoPtr && (uMsg != WM_CREATE)) 1867 return DefWindowProcW (hwnd, uMsg, wParam, lParam); 1868 1869 switch (uMsg) 1870 { 1871 case TBM_CLEARSEL: 1872 return TRACKBAR_ClearSel (infoPtr, (BOOL)wParam); 1873 1874 case TBM_CLEARTICS: 1875 return TRACKBAR_ClearTics (infoPtr, (BOOL)wParam); 1876 1877 case TBM_GETBUDDY: 1878 return (LRESULT)(wParam ? infoPtr->hwndBuddyLA : infoPtr->hwndBuddyRB); 1879 1880 case TBM_GETCHANNELRECT: 1881 return TRACKBAR_GetChannelRect (infoPtr, (LPRECT)lParam); 1882 1883 case TBM_GETLINESIZE: 1884 return infoPtr->lLineSize; 1885 1886 case TBM_GETNUMTICS: 1887 return TRACKBAR_GetNumTics (infoPtr); 1888 1889 case TBM_GETPAGESIZE: 1890 return infoPtr->lPageSize; 1891 1892 case TBM_GETPOS: 1893 return infoPtr->lPos; 1894 1895 case TBM_GETPTICS: 1896 return (LRESULT)infoPtr->tics; 1897 1898 case TBM_GETRANGEMAX: 1899 return infoPtr->lRangeMax; 1900 1901 case TBM_GETRANGEMIN: 1902 return infoPtr->lRangeMin; 1903 1904 case TBM_GETSELEND: 1905 return infoPtr->lSelMax; 1906 1907 case TBM_GETSELSTART: 1908 return infoPtr->lSelMin; 1909 1910 case TBM_GETTHUMBLENGTH: 1911 return infoPtr->uThumbLen; 1912 1913 case TBM_GETTHUMBRECT: 1914 return CopyRect((LPRECT)lParam, &infoPtr->rcThumb); 1915 1916 case TBM_GETTIC: 1917 return TRACKBAR_GetTic (infoPtr, (INT)wParam); 1918 1919 case TBM_GETTICPOS: 1920 return TRACKBAR_GetTicPos (infoPtr, (INT)wParam); 1921 1922 case TBM_GETTOOLTIPS: 1923 return (LRESULT)infoPtr->hwndToolTip; 1924 1925 case TBM_GETUNICODEFORMAT: 1926 return infoPtr->bUnicode; 1927 1928 case TBM_SETBUDDY: 1929 return (LRESULT) TRACKBAR_SetBuddy(infoPtr, (BOOL)wParam, (HWND)lParam); 1930 1931 case TBM_SETLINESIZE: 1932 return TRACKBAR_SetLineSize (infoPtr, (LONG)lParam); 1933 1934 case TBM_SETPAGESIZE: 1935 return TRACKBAR_SetPageSize (infoPtr, (LONG)lParam); 1936 1937 case TBM_SETPOS: 1938 return TRACKBAR_SetPos (infoPtr, (BOOL)wParam, (LONG)lParam); 1939 1940 case TBM_SETRANGE: 1941 return TRACKBAR_SetRange (infoPtr, (BOOL)wParam, (LONG)lParam); 1942 1943 case TBM_SETRANGEMAX: 1944 return TRACKBAR_SetRangeMax (infoPtr, (BOOL)wParam, (LONG)lParam); 1945 1946 case TBM_SETRANGEMIN: 1947 return TRACKBAR_SetRangeMin (infoPtr, (BOOL)wParam, (LONG)lParam); 1948 1949 case TBM_SETSEL: 1950 return TRACKBAR_SetSel (infoPtr, (BOOL)wParam, (LONG)lParam); 1951 1952 case TBM_SETSELEND: 1953 return TRACKBAR_SetSelEnd (infoPtr, (BOOL)wParam, (LONG)lParam); 1954 1955 case TBM_SETSELSTART: 1956 return TRACKBAR_SetSelStart (infoPtr, (BOOL)wParam, (LONG)lParam); 1957 1958 case TBM_SETTHUMBLENGTH: 1959 return TRACKBAR_SetThumbLength (infoPtr, (UINT)wParam); 1960 1961 case TBM_SETTIC: 1962 return TRACKBAR_SetTic (infoPtr, (LONG)lParam); 1963 1964 case TBM_SETTICFREQ: 1965 return TRACKBAR_SetTicFreq (infoPtr, (WORD)wParam); 1966 1967 case TBM_SETTIPSIDE: 1968 return TRACKBAR_SetTipSide (infoPtr, (INT)wParam); 1969 1970 case TBM_SETTOOLTIPS: 1971 return TRACKBAR_SetToolTips (infoPtr, (HWND)wParam); 1972 1973 case TBM_SETUNICODEFORMAT: 1974 return TRACKBAR_SetUnicodeFormat (infoPtr, (BOOL)wParam); 1975 1976 1977 case WM_CAPTURECHANGED: 1978 if (hwnd == (HWND)lParam) return 0; 1979 return TRACKBAR_CaptureChanged (infoPtr); 1980 1981 case WM_CREATE: 1982 return TRACKBAR_Create (hwnd, (LPCREATESTRUCTW)lParam); 1983 1984 case WM_DESTROY: 1985 return TRACKBAR_Destroy (infoPtr); 1986 1987 case WM_ENABLE: 1988 return TRACKBAR_Enable (infoPtr, (BOOL)wParam); 1989 1990 case WM_ERASEBKGND: 1991 return 0; 1992 1993 case WM_GETDLGCODE: 1994 return DLGC_WANTARROWS; 1995 1996 case WM_KEYDOWN: 1997 return TRACKBAR_KeyDown (infoPtr, (INT)wParam); 1998 1999 case WM_KEYUP: 2000 return TRACKBAR_KeyUp (infoPtr, (INT)wParam); 2001 2002 case WM_KILLFOCUS: 2003 return TRACKBAR_KillFocus (infoPtr); 2004 2005 case WM_LBUTTONDOWN: 2006 return TRACKBAR_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam)); 2007 2008 case WM_LBUTTONUP: 2009 return TRACKBAR_LButtonUp (infoPtr); 2010 2011 case WM_MOUSELEAVE: 2012 infoPtr->flags &= ~TB_THUMB_HOT; 2013 InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE); 2014 return 0; 2015 2016 case WM_MOUSEMOVE: 2017 return TRACKBAR_MouseMove (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam)); 2018 2019 case WM_PRINTCLIENT: 2020 case WM_PAINT: 2021 return TRACKBAR_Paint (infoPtr, (HDC)wParam); 2022 2023 case WM_SETFOCUS: 2024 return TRACKBAR_SetFocus (infoPtr); 2025 2026 case WM_SIZE: 2027 return TRACKBAR_Size (infoPtr); 2028 2029 case WM_STYLECHANGED: 2030 return TRACKBAR_StyleChanged (infoPtr, wParam, (LPSTYLESTRUCT)lParam); 2031 2032 case WM_THEMECHANGED: 2033 return theme_changed (infoPtr); 2034 2035 case WM_TIMER: 2036 return TRACKBAR_Timer (infoPtr); 2037 2038 case WM_WININICHANGE: 2039 return TRACKBAR_InitializeThumb (infoPtr); 2040 2041 default: 2042 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg)) 2043 ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam); 2044 return DefWindowProcW (hwnd, uMsg, wParam, lParam); 2045 } 2046 } 2047 2048 2049 void TRACKBAR_Register (void) 2050 { 2051 WNDCLASSW wndClass; 2052 2053 ZeroMemory (&wndClass, sizeof(WNDCLASSW)); 2054 wndClass.style = CS_GLOBALCLASS; 2055 wndClass.lpfnWndProc = TRACKBAR_WindowProc; 2056 wndClass.cbClsExtra = 0; 2057 wndClass.cbWndExtra = sizeof(TRACKBAR_INFO *); 2058 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW); 2059 wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); 2060 wndClass.lpszClassName = TRACKBAR_CLASSW; 2061 2062 RegisterClassW (&wndClass); 2063 } 2064 2065 2066 void TRACKBAR_Unregister (void) 2067 { 2068 UnregisterClassW (TRACKBAR_CLASSW, NULL); 2069 } 2070