1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "../../include/pdfwindow/PDFWindow.h" 8 #include "../../include/pdfwindow/PWL_Wnd.h" 9 #include "../../include/pdfwindow/PWL_ScrollBar.h" 10 #include "../../include/pdfwindow/PWL_Utils.h" 11 12 #define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001) 13 #define IsFloatBigger(fa,fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb))) 14 #define IsFloatSmaller(fa,fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb))) 15 #define IsFloatEqual(fa,fb) IsFloatZero((fa)-(fb)) 16 17 18 /* ------------------------------- PWL_FLOATRANGE ------------------------------- */ 19 20 PWL_FLOATRANGE::PWL_FLOATRANGE() 21 { 22 Default(); 23 } 24 25 PWL_FLOATRANGE::PWL_FLOATRANGE(FX_FLOAT min,FX_FLOAT max) 26 { 27 Set(min,max); 28 } 29 30 void PWL_FLOATRANGE::Default() 31 { 32 fMin = 0; 33 fMax = 0; 34 } 35 36 void PWL_FLOATRANGE::Set(FX_FLOAT min,FX_FLOAT max) 37 { 38 if (min > max) 39 { 40 fMin = max; 41 fMax = min; 42 } 43 else 44 { 45 fMin = min; 46 fMax = max; 47 } 48 } 49 50 FX_BOOL PWL_FLOATRANGE::In(FX_FLOAT x) const 51 { 52 return (IsFloatBigger(x,fMin) || IsFloatEqual(x, fMin)) && 53 (IsFloatSmaller(x, fMax) || IsFloatEqual(x, fMax)); 54 } 55 56 FX_FLOAT PWL_FLOATRANGE::GetWidth() const 57 { 58 return fMax - fMin; 59 } 60 61 /* ------------------------------- PWL_SCROLL_PRIVATEDATA ------------------------------- */ 62 63 PWL_SCROLL_PRIVATEDATA::PWL_SCROLL_PRIVATEDATA() 64 { 65 Default(); 66 } 67 68 void PWL_SCROLL_PRIVATEDATA::Default() 69 { 70 ScrollRange.Default(); 71 fScrollPos = ScrollRange.fMin; 72 fClientWidth = 0; 73 fBigStep = 10; 74 fSmallStep = 1; 75 } 76 77 void PWL_SCROLL_PRIVATEDATA::SetScrollRange(FX_FLOAT min,FX_FLOAT max) 78 { 79 ScrollRange.Set(min,max); 80 81 if (IsFloatSmaller(fScrollPos, ScrollRange.fMin)) 82 fScrollPos = ScrollRange.fMin; 83 if (IsFloatBigger(fScrollPos, ScrollRange.fMax)) 84 fScrollPos = ScrollRange.fMax; 85 } 86 87 void PWL_SCROLL_PRIVATEDATA::SetClientWidth(FX_FLOAT width) 88 { 89 fClientWidth = width; 90 } 91 92 void PWL_SCROLL_PRIVATEDATA::SetSmallStep(FX_FLOAT step) 93 { 94 fSmallStep = step; 95 } 96 97 void PWL_SCROLL_PRIVATEDATA::SetBigStep(FX_FLOAT step) 98 { 99 fBigStep = step; 100 } 101 102 FX_BOOL PWL_SCROLL_PRIVATEDATA::SetPos(FX_FLOAT pos) 103 { 104 if (ScrollRange.In(pos)) 105 { 106 fScrollPos = pos; 107 return TRUE; 108 } 109 return FALSE; 110 } 111 112 void PWL_SCROLL_PRIVATEDATA::AddSmall() 113 { 114 if (!SetPos(fScrollPos + fSmallStep)) 115 SetPos(ScrollRange.fMax); 116 } 117 118 void PWL_SCROLL_PRIVATEDATA::SubSmall() 119 { 120 if (!SetPos(fScrollPos - fSmallStep)) 121 SetPos(ScrollRange.fMin); 122 } 123 124 void PWL_SCROLL_PRIVATEDATA::AddBig() 125 { 126 if (!SetPos(fScrollPos + fBigStep)) 127 SetPos(ScrollRange.fMax); 128 } 129 130 void PWL_SCROLL_PRIVATEDATA::SubBig() 131 { 132 if (!SetPos(fScrollPos - fBigStep)) 133 SetPos(ScrollRange.fMin); 134 } 135 136 /* ------------------------------- CPWL_SBButton ------------------------------- */ 137 138 CPWL_SBButton::CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType,PWL_SBBUTTON_TYPE eButtonType) 139 { 140 m_eScrollBarType = eScrollBarType; 141 m_eSBButtonType = eButtonType; 142 143 m_bMouseDown = FALSE; 144 } 145 146 CPWL_SBButton::~CPWL_SBButton() 147 { 148 149 } 150 151 CFX_ByteString CPWL_SBButton::GetClassName() const 152 { 153 return "CPWL_SBButton"; 154 } 155 156 void CPWL_SBButton::OnCreate(PWL_CREATEPARAM & cp) 157 { 158 cp.eCursorType = FXCT_ARROW; 159 } 160 161 void CPWL_SBButton::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream) 162 { 163 CPWL_Wnd::GetThisAppearanceStream(sAppStream); 164 165 if (!IsVisible()) return; 166 167 CFX_ByteTextBuf sButton; 168 169 CPDF_Rect rectWnd = GetWindowRect(); 170 171 if (rectWnd.IsEmpty()) return; 172 173 sAppStream << "q\n"; 174 175 CPDF_Point ptCenter = this->GetCenterPoint(); 176 177 switch (this->m_eScrollBarType) 178 { 179 case SBT_HSCROLL: 180 switch (this->m_eSBButtonType) 181 { 182 case PSBT_MIN: 183 { 184 CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y); 185 CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN); 186 CPDF_Point pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN); 187 188 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && 189 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN ) 190 { 191 sButton << "0 g\n"; 192 sButton << pt1.x << " " << pt1.y << " m\n"; 193 sButton << pt2.x << " " << pt2.y << " l\n"; 194 sButton << pt3.x << " " << pt3.y << " l\n"; 195 sButton << pt1.x << " " << pt1.y << " l f\n"; 196 197 sAppStream << sButton; 198 } 199 } 200 break; 201 case PSBT_MAX: 202 { 203 CPDF_Point pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y); 204 CPDF_Point pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN); 205 CPDF_Point pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN); 206 207 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && 208 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN ) 209 { 210 sButton << "0 g\n"; 211 sButton << pt1.x << " " << pt1.y << " m\n"; 212 sButton << pt2.x << " " << pt2.y << " l\n"; 213 sButton << pt3.x << " " << pt3.y << " l\n"; 214 sButton << pt1.x << " " << pt1.y << " l f\n"; 215 216 sAppStream << sButton; 217 } 218 } 219 break; 220 default: 221 break; 222 } 223 break; 224 case SBT_VSCROLL: 225 switch(this->m_eSBButtonType) 226 { 227 case PSBT_MIN: 228 { 229 CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); 230 CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); 231 CPDF_Point pt3(ptCenter.x,ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); 232 233 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && 234 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN ) 235 { 236 sButton << "0 g\n"; 237 sButton << pt1.x << " " << pt1.y << " m\n"; 238 sButton << pt2.x << " " << pt2.y << " l\n"; 239 sButton << pt3.x << " " << pt3.y << " l\n"; 240 sButton << pt1.x << " " << pt1.y << " l f\n"; 241 242 sAppStream << sButton; 243 } 244 } 245 break; 246 case PSBT_MAX: 247 { 248 CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); 249 CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); 250 CPDF_Point pt3(ptCenter.x,ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); 251 252 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && 253 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN ) 254 { 255 sButton << "0 g\n"; 256 sButton << pt1.x << " " << pt1.y << " m\n"; 257 sButton << pt2.x << " " << pt2.y << " l\n"; 258 sButton << pt3.x << " " << pt3.y << " l\n"; 259 sButton << pt1.x << " " << pt1.y << " l f\n"; 260 261 sAppStream << sButton; 262 } 263 } 264 break; 265 default: 266 break; 267 } 268 break; 269 default: 270 break; 271 } 272 273 sAppStream << "Q\n"; 274 } 275 276 void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device) 277 { 278 if (!IsVisible()) return; 279 280 CPDF_Rect rectWnd = GetWindowRect(); 281 if (rectWnd.IsEmpty()) return; 282 283 CPDF_Point ptCenter = this->GetCenterPoint(); 284 FX_INT32 nTransparancy = this->GetTransparency(); 285 286 switch (this->m_eScrollBarType) 287 { 288 case SBT_HSCROLL: 289 CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device); 290 switch (this->m_eSBButtonType) 291 { 292 case PSBT_MIN: 293 { 294 CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y); 295 CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN); 296 CPDF_Point pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN); 297 298 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && 299 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN ) 300 { 301 CFX_PathData path; 302 303 path.SetPointCount(4); 304 path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO); 305 path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO); 306 path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO); 307 path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO); 308 309 pDevice->DrawPath(&path, pUser2Device, NULL, 310 CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR,nTransparancy), 311 0, FXFILL_ALTERNATE); 312 } 313 } 314 break; 315 case PSBT_MAX: 316 { 317 CPDF_Point pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y); 318 CPDF_Point pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y + PWL_TRIANGLE_HALFLEN); 319 CPDF_Point pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,ptCenter.y - PWL_TRIANGLE_HALFLEN); 320 321 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && 322 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN ) 323 { 324 CFX_PathData path; 325 326 path.SetPointCount(4); 327 path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO); 328 path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO); 329 path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO); 330 path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO); 331 332 pDevice->DrawPath(&path, pUser2Device, NULL, 333 CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR,nTransparancy), 334 0, FXFILL_ALTERNATE); 335 } 336 } 337 break; 338 default: 339 break; 340 } 341 break; 342 case SBT_VSCROLL: 343 switch(this->m_eSBButtonType) 344 { 345 case PSBT_MIN: 346 { 347 //draw border 348 CPDF_Rect rcDraw = rectWnd; 349 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, 350 ArgbEncode(nTransparancy,100,100,100),0.0f); 351 352 //draw inner border 353 rcDraw = CPWL_Utils::DeflateRect(rectWnd,0.5f); 354 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, 355 ArgbEncode(nTransparancy,255,255,255),1.0f); 356 357 //draw background 358 359 rcDraw = CPWL_Utils::DeflateRect(rectWnd,1.0f); 360 361 if (this->IsEnabled()) 362 CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw, nTransparancy, 80, 220); 363 else 364 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, ArgbEncode(255,255,255,255)); 365 366 //draw arrow 367 368 if (rectWnd.top - rectWnd.bottom > 6.0f ) 369 { 370 FX_FLOAT fX = rectWnd.left + 1.5f; 371 FX_FLOAT fY = rectWnd.bottom; 372 CPDF_Point pts[7] = { 373 CPDF_Point(fX+2.5f, fY+4.0f), 374 CPDF_Point(fX+2.5f, fY+3.0f), 375 CPDF_Point(fX+4.5f, fY+5.0f), 376 CPDF_Point(fX+6.5f, fY+3.0f), 377 CPDF_Point(fX+6.5f, fY+4.0f), 378 CPDF_Point(fX+4.5f, fY+6.0f), 379 CPDF_Point(fX+2.5f, fY+4.0f)}; 380 381 382 if (this->IsEnabled()) 383 CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, ArgbEncode(nTransparancy,255,255,255)); 384 else 385 CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, 386 CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_HEAVYGRAYCOLOR,255)); 387 } 388 } 389 break; 390 case PSBT_MAX: 391 { 392 //draw border 393 CPDF_Rect rcDraw = rectWnd; 394 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, 395 ArgbEncode(nTransparancy,100,100,100),0.0f); 396 397 //draw inner border 398 rcDraw = CPWL_Utils::DeflateRect(rectWnd,0.5f); 399 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, 400 ArgbEncode(nTransparancy,255,255,255),1.0f); 401 402 //draw background 403 rcDraw = CPWL_Utils::DeflateRect(rectWnd,1.0f); 404 if (this->IsEnabled()) 405 CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw, nTransparancy, 80, 220); 406 else 407 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, ArgbEncode(255,255,255,255)); 408 409 //draw arrow 410 411 if (rectWnd.top - rectWnd.bottom > 6.0f ) 412 { 413 FX_FLOAT fX = rectWnd.left + 1.5f; 414 FX_FLOAT fY = rectWnd.bottom; 415 416 CPDF_Point pts[7] = { 417 CPDF_Point(fX+2.5f, fY+5.0f), 418 CPDF_Point(fX+2.5f, fY+6.0f), 419 CPDF_Point(fX+4.5f, fY+4.0f), 420 CPDF_Point(fX+6.5f, fY+6.0f), 421 CPDF_Point(fX+6.5f, fY+5.0f), 422 CPDF_Point(fX+4.5f, fY+3.0f), 423 CPDF_Point(fX+2.5f, fY+5.0f)}; 424 425 426 if (this->IsEnabled()) 427 CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, ArgbEncode(nTransparancy,255,255,255)); 428 else 429 CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, 430 CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_HEAVYGRAYCOLOR,255)); 431 } 432 } 433 break; 434 case PSBT_POS: 435 { 436 //CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device); 437 438 //draw border 439 CPDF_Rect rcDraw = rectWnd; 440 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, 441 ArgbEncode(nTransparancy,100,100,100),0.0f); 442 443 //draw inner border 444 rcDraw = CPWL_Utils::DeflateRect(rectWnd,0.5f); 445 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, 446 ArgbEncode(nTransparancy,255,255,255),1.0f); 447 448 if (this->IsEnabled()) 449 { 450 //draw shadow effect 451 452 CPDF_Point ptTop = CPDF_Point(rectWnd.left,rectWnd.top-1.0f); 453 CPDF_Point ptBottom = CPDF_Point(rectWnd.left,rectWnd.bottom+1.0f); 454 455 ptTop.x += 1.5f; 456 ptBottom.x += 1.5f; 457 458 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 459 ArgbEncode(nTransparancy,210,210,210),1.0f); 460 461 ptTop.x += 1.0f; 462 ptBottom.x += 1.0f; 463 464 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 465 ArgbEncode(nTransparancy,220,220,220),1.0f); 466 467 ptTop.x += 1.0f; 468 ptBottom.x += 1.0f; 469 470 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 471 ArgbEncode(nTransparancy,240,240,240),1.0f); 472 473 ptTop.x += 1.0f; 474 ptBottom.x += 1.0f; 475 476 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 477 ArgbEncode(nTransparancy,240,240,240),1.0f); 478 479 ptTop.x += 1.0f; 480 ptBottom.x += 1.0f; 481 482 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 483 ArgbEncode(nTransparancy,210,210,210),1.0f); 484 485 ptTop.x += 1.0f; 486 ptBottom.x += 1.0f; 487 488 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 489 ArgbEncode(nTransparancy,180,180,180),1.0f); 490 491 ptTop.x += 1.0f; 492 ptBottom.x += 1.0f; 493 494 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 495 ArgbEncode(nTransparancy,150,150,150),1.0f); 496 497 ptTop.x += 1.0f; 498 ptBottom.x += 1.0f; 499 500 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 501 ArgbEncode(nTransparancy,150,150,150),1.0f); 502 503 ptTop.x += 1.0f; 504 ptBottom.x += 1.0f; 505 506 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 507 ArgbEncode(nTransparancy,180,180,180),1.0f); 508 509 ptTop.x += 1.0f; 510 ptBottom.x += 1.0f; 511 512 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, 513 ArgbEncode(nTransparancy,210,210,210),1.0f); 514 } 515 else 516 { 517 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, ArgbEncode(255,255,255,255)); 518 } 519 520 //draw friction 521 522 if (rectWnd.Height() > 8.0f) 523 { 524 FX_COLORREF crStroke = ArgbEncode(nTransparancy,120,120,120); 525 if (!this->IsEnabled()) 526 crStroke = CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_HEAVYGRAYCOLOR,255); 527 528 FX_FLOAT nFrictionWidth = 5.0f; 529 FX_FLOAT nFrictionHeight = 5.5f; 530 531 CPDF_Point ptLeft = CPDF_Point(ptCenter.x - nFrictionWidth / 2.0f, ptCenter.y - nFrictionHeight / 2.0f + 0.5f); 532 CPDF_Point ptRight = CPDF_Point(ptCenter.x + nFrictionWidth / 2.0f, ptCenter.y - nFrictionHeight / 2.0f + 0.5f); 533 534 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight, 535 crStroke,1.0f); 536 537 ptLeft.y += 2.0f; 538 ptRight.y += 2.0f; 539 540 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight, 541 crStroke,1.0f); 542 543 ptLeft.y += 2.0f; 544 ptRight.y += 2.0f; 545 546 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight, 547 crStroke,1.0f); 548 549 /* 550 ptLeft.y += 1.5f; 551 ptRight.y += 1.5f; 552 553 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight, 554 ArgbEncode(nTransparancy,150,150,150),1.0f); 555 */ 556 } 557 } 558 break; 559 default: 560 break; 561 } 562 break; 563 default: 564 break; 565 } 566 } 567 568 FX_BOOL CPWL_SBButton::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag) 569 { 570 CPWL_Wnd::OnLButtonDown(point,nFlag); 571 572 if (CPWL_Wnd * pParent = GetParentWindow()) 573 pParent->OnNotify(this,PNM_LBUTTONDOWN,0,(FX_INTPTR)&point); 574 575 m_bMouseDown = TRUE; 576 SetCapture(); 577 578 return TRUE; 579 } 580 581 FX_BOOL CPWL_SBButton::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag) 582 { 583 CPWL_Wnd::OnLButtonUp(point,nFlag); 584 585 if (CPWL_Wnd * pParent = GetParentWindow()) 586 pParent->OnNotify(this,PNM_LBUTTONUP,0,(FX_INTPTR)&point); 587 588 m_bMouseDown = FALSE; 589 ReleaseCapture(); 590 591 return TRUE; 592 } 593 594 FX_BOOL CPWL_SBButton::OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag) 595 { 596 CPWL_Wnd::OnMouseMove(point,nFlag); 597 598 if (CPWL_Wnd * pParent = GetParentWindow()) 599 { 600 pParent->OnNotify(this,PNM_MOUSEMOVE,0,(FX_INTPTR)&point); 601 602 /* 603 if (m_bMouseDown && (m_eSBButtonType == PSBT_MIN || m_eSBButtonType == PSBT_MAX)) 604 { 605 if (!pParent->OnNotify(this,PNM_LBUTTONDOWN,nFlags,(FX_INTPTR)&point)) 606 return FALSE; 607 } 608 */ 609 } 610 611 return TRUE; 612 } 613 614 /* ------------------------------- CPWL_ScrollBar ---------------------------------- */ 615 616 CPWL_ScrollBar::CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType): 617 m_sbType(sbType), 618 m_pMinButton(NULL), 619 m_pMaxButton(NULL), 620 m_pPosButton(NULL), 621 m_bMouseDown(FALSE), 622 m_bMinOrMax(FALSE), 623 m_bNotifyForever(TRUE) 624 { 625 } 626 627 CPWL_ScrollBar::~CPWL_ScrollBar() 628 { 629 } 630 631 CFX_ByteString CPWL_ScrollBar::GetClassName() const 632 { 633 return "CPWL_ScrollBar"; 634 } 635 636 void CPWL_ScrollBar::OnCreate(PWL_CREATEPARAM & cp) 637 { 638 cp.eCursorType = FXCT_ARROW; 639 } 640 641 void CPWL_ScrollBar::RePosChildWnd() 642 { 643 CPDF_Rect rcClient = this->GetClientRect(); 644 645 /* 646 switch(m_sbType) 647 { 648 case SBT_HSCROLL: 649 if (rcClient.right - rcClient.left < PWL_SCROLLBAR_WIDTH || 650 rcClient.top - rcClient.bottom < PWL_SCROLLBAR_WIDTH) 651 { 652 SetVisible(FALSE); 653 } 654 break; 655 case SBT_VSCROLL: 656 if (rcClient.right - rcClient.left < PWL_SCROLLBAR_WIDTH || 657 rcClient.top - rcClient.bottom < PWL_SCROLLBAR_WIDTH) 658 { 659 SetVisible(FALSE); 660 } 661 break; 662 } 663 */ 664 CPDF_Rect rcMinButton,rcMaxButton; 665 666 FX_FLOAT fBWidth = 0; 667 668 switch (m_sbType) 669 { 670 case SBT_HSCROLL: 671 if (rcClient.right - rcClient.left > PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2) 672 { 673 rcMinButton = CPDF_Rect(rcClient.left,rcClient.bottom, 674 rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.top); 675 rcMaxButton = CPDF_Rect(rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.bottom, 676 rcClient.right,rcClient.top); 677 } 678 else 679 { 680 fBWidth = (rcClient.right - rcClient.left - PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) / 2; 681 682 if (fBWidth > 0) 683 { 684 rcMinButton = CPDF_Rect(rcClient.left,rcClient.bottom, 685 rcClient.left + fBWidth,rcClient.top); 686 rcMaxButton = CPDF_Rect(rcClient.right - fBWidth,rcClient.bottom, 687 rcClient.right,rcClient.top); 688 } 689 else SetVisible(FALSE); 690 } 691 break; 692 case SBT_VSCROLL: 693 if (IsFloatBigger(rcClient.top - rcClient.bottom, PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2)) 694 { 695 rcMinButton = CPDF_Rect(rcClient.left,rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH, 696 rcClient.right,rcClient.top); 697 rcMaxButton = CPDF_Rect(rcClient.left,rcClient.bottom, 698 rcClient.right,rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH); 699 } 700 else 701 { 702 fBWidth = (rcClient.top - rcClient.bottom - PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) / 2; 703 704 if (IsFloatBigger(fBWidth, 0)) 705 { 706 rcMinButton = CPDF_Rect(rcClient.left,rcClient.top - fBWidth, 707 rcClient.right,rcClient.top); 708 rcMaxButton = CPDF_Rect(rcClient.left,rcClient.bottom, 709 rcClient.right,rcClient.bottom + fBWidth); 710 } 711 else SetVisible(FALSE); 712 } 713 break; 714 } 715 716 // if (IsVisible()) 717 { 718 if (m_pMinButton) 719 m_pMinButton->Move(rcMinButton,TRUE,FALSE); 720 721 if (m_pMaxButton) 722 m_pMaxButton->Move(rcMaxButton,TRUE,FALSE); 723 724 MovePosButton(FALSE); 725 } 726 } 727 728 void CPWL_ScrollBar::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream) 729 { 730 CPDF_Rect rectWnd = GetWindowRect(); 731 732 if (IsVisible() && !rectWnd.IsEmpty()) 733 { 734 CFX_ByteTextBuf sButton; 735 736 sButton << "q\n"; 737 sButton << "0 w\n" << CPWL_Utils::GetColorAppStream(GetBackgroundColor(),TRUE); 738 sButton << rectWnd.left << " " << rectWnd.bottom << " " 739 << rectWnd.right - rectWnd.left << " " << rectWnd.top - rectWnd.bottom << " re b Q\n"; 740 741 sAppStream << sButton; 742 } 743 } 744 745 void CPWL_ScrollBar::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device) 746 { 747 // CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device); 748 CPDF_Rect rectWnd = GetWindowRect(); 749 750 if (IsVisible() && !rectWnd.IsEmpty()) 751 { 752 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rectWnd, this->GetBackgroundColor(), GetTransparency()); 753 754 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, 755 CPDF_Point(rectWnd.left+2.0f,rectWnd.top-2.0f), CPDF_Point(rectWnd.left+2.0f,rectWnd.bottom+2.0f), 756 ArgbEncode(this->GetTransparency(),100,100,100),1.0f); 757 758 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, 759 CPDF_Point(rectWnd.right-2.0f,rectWnd.top-2.0f), CPDF_Point(rectWnd.right-2.0f,rectWnd.bottom+2.0f), 760 ArgbEncode(this->GetTransparency(),100,100,100),1.0f); 761 } 762 } 763 764 FX_BOOL CPWL_ScrollBar::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag) 765 { 766 CPWL_Wnd::OnLButtonDown(point,nFlag); 767 768 //SetFocus(); 769 770 if (HasFlag(PWS_AUTOTRANSPARENT)) 771 { 772 if (GetTransparency() != 255) 773 { 774 SetTransparency(255); 775 InvalidateRect(); 776 } 777 } 778 779 CPDF_Rect rcMinArea,rcMaxArea; 780 781 if (m_pPosButton && m_pPosButton->IsVisible()) 782 { 783 CPDF_Rect rcClient = this->GetClientRect(); 784 CPDF_Rect rcPosButton = m_pPosButton->GetWindowRect(); 785 786 switch (m_sbType) 787 { 788 case SBT_HSCROLL: 789 rcMinArea = CPDF_Rect(rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.bottom, 790 rcPosButton.left,rcClient.top); 791 rcMaxArea = CPDF_Rect(rcPosButton.right,rcClient.bottom, 792 rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,rcClient.top); 793 794 break; 795 case SBT_VSCROLL: 796 rcMinArea = CPDF_Rect(rcClient.left,rcPosButton.top, 797 rcClient.right,rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH); 798 rcMaxArea = CPDF_Rect(rcClient.left,rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH, 799 rcClient.right,rcPosButton.bottom); 800 break; 801 } 802 803 rcMinArea.Normalize(); 804 rcMaxArea.Normalize(); 805 806 if (rcMinArea.Contains(point.x,point.y)) 807 { 808 m_sData.SubBig(); 809 MovePosButton(TRUE); 810 NotifyScrollWindow(); 811 } 812 813 if (rcMaxArea.Contains(point.x,point.y)) 814 { 815 m_sData.AddBig(); 816 MovePosButton(TRUE); 817 NotifyScrollWindow(); 818 } 819 } 820 821 return TRUE; 822 } 823 824 FX_BOOL CPWL_ScrollBar::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag) 825 { 826 CPWL_Wnd::OnLButtonUp(point,nFlag); 827 828 if (HasFlag(PWS_AUTOTRANSPARENT)) 829 { 830 if (GetTransparency() != PWL_SCROLLBAR_TRANSPARANCY) 831 { 832 SetTransparency(PWL_SCROLLBAR_TRANSPARANCY); 833 InvalidateRect(); 834 } 835 } 836 837 EndTimer(); 838 m_bMouseDown = FALSE; 839 840 return TRUE; 841 } 842 843 void CPWL_ScrollBar::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam, FX_INTPTR lParam) 844 { 845 CPWL_Wnd::OnNotify(pWnd,msg,wParam,lParam); 846 847 switch (msg) 848 { 849 case PNM_LBUTTONDOWN: 850 if (pWnd == m_pMinButton) 851 { 852 OnMinButtonLBDown(*(CPDF_Point*)lParam); 853 } 854 855 if (pWnd == m_pMaxButton) 856 { 857 OnMaxButtonLBDown(*(CPDF_Point*)lParam); 858 } 859 860 if (pWnd == m_pPosButton) 861 { 862 OnPosButtonLBDown(*(CPDF_Point*)lParam); 863 } 864 break; 865 case PNM_LBUTTONUP: 866 if (pWnd == m_pMinButton) 867 { 868 OnMinButtonLBUp(*(CPDF_Point*)lParam); 869 } 870 871 if (pWnd == m_pMaxButton) 872 { 873 OnMaxButtonLBUp(*(CPDF_Point*)lParam); 874 } 875 876 if (pWnd == m_pPosButton) 877 { 878 OnPosButtonLBUp(*(CPDF_Point*)lParam); 879 } 880 break; 881 case PNM_MOUSEMOVE: 882 if (pWnd == m_pMinButton) 883 { 884 OnMinButtonMouseMove(*(CPDF_Point*)lParam); 885 } 886 887 if (pWnd == m_pMaxButton) 888 { 889 OnMaxButtonMouseMove(*(CPDF_Point*)lParam); 890 } 891 892 if (pWnd == m_pPosButton) 893 { 894 OnPosButtonMouseMove(*(CPDF_Point*)lParam); 895 } 896 break; 897 case PNM_SETSCROLLINFO: 898 { 899 if (PWL_SCROLL_INFO * pInfo = (PWL_SCROLL_INFO*)lParam) 900 { 901 if (FXSYS_memcmp(&m_OriginInfo, pInfo, sizeof(PWL_SCROLL_INFO)) != 0) 902 { 903 m_OriginInfo = *pInfo; 904 FX_FLOAT fMax = pInfo->fContentMax - pInfo->fContentMin - pInfo->fPlateWidth; 905 fMax = fMax > 0.0f ? fMax : 0.0f; 906 this->SetScrollRange(0,fMax, pInfo->fPlateWidth); 907 this->SetScrollStep(pInfo->fBigStep,pInfo->fSmallStep); 908 } 909 } 910 } 911 break; 912 case PNM_SETSCROLLPOS: 913 { 914 FX_FLOAT fPos = *(FX_FLOAT*)lParam; 915 switch (this->m_sbType) 916 { 917 case SBT_HSCROLL: 918 fPos = fPos - m_OriginInfo.fContentMin; 919 break; 920 case SBT_VSCROLL: 921 fPos = m_OriginInfo.fContentMax - fPos; 922 break; 923 } 924 this->SetScrollPos(fPos); 925 } 926 break; 927 } 928 } 929 930 void CPWL_ScrollBar::CreateButtons(const PWL_CREATEPARAM & cp) 931 { 932 PWL_CREATEPARAM scp = cp; 933 scp.pParentWnd = this; 934 scp.dwBorderWidth = 2; 935 scp.nBorderStyle = PBS_BEVELED; 936 937 scp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PWS_NOREFRESHCLIP; 938 939 if (!m_pMinButton) 940 { 941 m_pMinButton = new CPWL_SBButton(m_sbType,PSBT_MIN); 942 m_pMinButton->Create(scp); 943 } 944 945 if (!m_pMaxButton) 946 { 947 m_pMaxButton = new CPWL_SBButton(m_sbType,PSBT_MAX); 948 m_pMaxButton->Create(scp); 949 } 950 951 if (!m_pPosButton) 952 { 953 m_pPosButton = new CPWL_SBButton(m_sbType,PSBT_POS); 954 m_pPosButton->SetVisible(FALSE); 955 m_pPosButton->Create(scp); 956 } 957 } 958 959 FX_FLOAT CPWL_ScrollBar::GetScrollBarWidth() const 960 { 961 if (!IsVisible()) return 0; 962 963 return PWL_SCROLLBAR_WIDTH; 964 } 965 966 void CPWL_ScrollBar::SetScrollRange(FX_FLOAT fMin,FX_FLOAT fMax,FX_FLOAT fClientWidth) 967 { 968 if (m_pPosButton) 969 { 970 m_sData.SetScrollRange(fMin,fMax); 971 m_sData.SetClientWidth(fClientWidth); 972 973 if (IsFloatSmaller(m_sData.ScrollRange.GetWidth(), 0.0f)) 974 { 975 m_pPosButton->SetVisible(FALSE); 976 } 977 else 978 { 979 m_pPosButton->SetVisible(TRUE); 980 MovePosButton(TRUE); 981 } 982 } 983 } 984 985 void CPWL_ScrollBar::SetScrollPos(FX_FLOAT fPos) 986 { 987 FX_FLOAT fOldPos = m_sData.fScrollPos; 988 989 m_sData.SetPos(fPos); 990 991 if (!IsFloatEqual(m_sData.fScrollPos, fOldPos)) 992 MovePosButton(TRUE); 993 } 994 995 void CPWL_ScrollBar::SetScrollStep(FX_FLOAT fBigStep,FX_FLOAT fSmallStep) 996 { 997 m_sData.SetBigStep(fBigStep); 998 m_sData.SetSmallStep(fSmallStep); 999 } 1000 1001 void CPWL_ScrollBar::MovePosButton(FX_BOOL bRefresh) 1002 { 1003 ASSERT (m_pPosButton != NULL); 1004 ASSERT (m_pMinButton != NULL); 1005 ASSERT (m_pMaxButton != NULL); 1006 1007 if (m_pPosButton->IsVisible()) 1008 { 1009 1010 1011 1012 1013 CPDF_Rect rcClient; 1014 CPDF_Rect rcPosArea,rcPosButton; 1015 1016 rcClient = this->GetClientRect(); 1017 rcPosArea = GetScrollArea(); 1018 1019 FX_FLOAT fLeft,fRight,fTop,fBottom; 1020 1021 switch (m_sbType) 1022 { 1023 case SBT_HSCROLL: 1024 fLeft = TrueToFace(m_sData.fScrollPos); 1025 fRight = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth); 1026 1027 if (fRight - fLeft < PWL_SCROLLBAR_POSBUTTON_MINWIDTH) 1028 fRight = fLeft + PWL_SCROLLBAR_POSBUTTON_MINWIDTH; 1029 1030 if (fRight > rcPosArea.right) 1031 { 1032 fRight = rcPosArea.right; 1033 fLeft = fRight - PWL_SCROLLBAR_POSBUTTON_MINWIDTH; 1034 } 1035 1036 rcPosButton = CPDF_Rect(fLeft , 1037 rcPosArea.bottom, 1038 fRight , 1039 rcPosArea.top); 1040 1041 break; 1042 case SBT_VSCROLL: 1043 fBottom = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth); 1044 fTop = TrueToFace(m_sData.fScrollPos); 1045 1046 if (IsFloatSmaller(fTop - fBottom, PWL_SCROLLBAR_POSBUTTON_MINWIDTH)) 1047 fBottom = fTop - PWL_SCROLLBAR_POSBUTTON_MINWIDTH; 1048 1049 if (IsFloatSmaller(fBottom, rcPosArea.bottom)) 1050 { 1051 fBottom = rcPosArea.bottom; 1052 fTop = fBottom + PWL_SCROLLBAR_POSBUTTON_MINWIDTH; 1053 } 1054 1055 rcPosButton = CPDF_Rect(rcPosArea.left, 1056 fBottom, 1057 rcPosArea.right, 1058 fTop); 1059 1060 break; 1061 } 1062 1063 m_pPosButton->Move(rcPosButton,TRUE,bRefresh); 1064 } 1065 } 1066 1067 void CPWL_ScrollBar::OnMinButtonLBDown(const CPDF_Point & point) 1068 { 1069 m_sData.SubSmall(); 1070 MovePosButton(TRUE); 1071 NotifyScrollWindow(); 1072 1073 m_bMinOrMax = TRUE; 1074 1075 EndTimer(); 1076 BeginTimer(100); 1077 } 1078 1079 void CPWL_ScrollBar::OnMinButtonLBUp(const CPDF_Point & point) 1080 { 1081 } 1082 1083 void CPWL_ScrollBar::OnMinButtonMouseMove(const CPDF_Point & point) 1084 { 1085 } 1086 1087 void CPWL_ScrollBar::OnMaxButtonLBDown(const CPDF_Point & point) 1088 { 1089 m_sData.AddSmall(); 1090 MovePosButton(TRUE); 1091 NotifyScrollWindow(); 1092 1093 m_bMinOrMax = FALSE; 1094 1095 EndTimer(); 1096 BeginTimer(100); 1097 } 1098 1099 void CPWL_ScrollBar::OnMaxButtonLBUp(const CPDF_Point & point) 1100 { 1101 } 1102 1103 void CPWL_ScrollBar::OnMaxButtonMouseMove(const CPDF_Point & point) 1104 { 1105 } 1106 1107 void CPWL_ScrollBar::OnPosButtonLBDown(const CPDF_Point & point) 1108 { 1109 m_bMouseDown = TRUE; 1110 1111 if (m_pPosButton) 1112 { 1113 CPDF_Rect rcPosButton = m_pPosButton->GetWindowRect(); 1114 1115 switch(m_sbType) 1116 { 1117 case SBT_HSCROLL: 1118 m_nOldPos = point.x; 1119 m_fOldPosButton = rcPosButton.left; 1120 break; 1121 case SBT_VSCROLL: 1122 m_nOldPos = point.y; 1123 m_fOldPosButton = rcPosButton.top; 1124 break; 1125 } 1126 } 1127 } 1128 1129 void CPWL_ScrollBar::OnPosButtonLBUp(const CPDF_Point & point) 1130 { 1131 if (m_bMouseDown) 1132 { 1133 if (!m_bNotifyForever) 1134 NotifyScrollWindow(); 1135 } 1136 m_bMouseDown = FALSE; 1137 } 1138 1139 void CPWL_ScrollBar::OnPosButtonMouseMove(const CPDF_Point & point) 1140 { 1141 FX_FLOAT fOldScrollPos = m_sData.fScrollPos; 1142 1143 FX_FLOAT fNewPos = 0; 1144 1145 switch (m_sbType) 1146 { 1147 case SBT_HSCROLL: 1148 if (FXSYS_fabs(point.x - m_nOldPos) < 1) return; 1149 fNewPos = FaceToTrue(m_fOldPosButton + point.x - m_nOldPos); 1150 break; 1151 case SBT_VSCROLL: 1152 if (FXSYS_fabs(point.y - m_nOldPos) < 1) return; 1153 fNewPos = FaceToTrue(m_fOldPosButton + point.y - m_nOldPos); 1154 break; 1155 } 1156 1157 if (m_bMouseDown) 1158 { 1159 switch (m_sbType) 1160 { 1161 case SBT_HSCROLL: 1162 1163 if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) 1164 { 1165 fNewPos = m_sData.ScrollRange.fMin; 1166 } 1167 1168 if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) 1169 { 1170 fNewPos = m_sData.ScrollRange.fMax; 1171 } 1172 1173 m_sData.SetPos(fNewPos); 1174 1175 break; 1176 case SBT_VSCROLL: 1177 1178 if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) 1179 { 1180 fNewPos = m_sData.ScrollRange.fMin; 1181 } 1182 1183 if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) 1184 { 1185 fNewPos = m_sData.ScrollRange.fMax; 1186 } 1187 1188 m_sData.SetPos(fNewPos); 1189 1190 break; 1191 } 1192 1193 if (!IsFloatEqual(fOldScrollPos, m_sData.fScrollPos)) 1194 { 1195 MovePosButton(TRUE); 1196 1197 if (m_bNotifyForever) 1198 NotifyScrollWindow(); 1199 } 1200 } 1201 } 1202 1203 void CPWL_ScrollBar::NotifyScrollWindow() 1204 { 1205 if (CPWL_Wnd * pParent = this->GetParentWindow()) 1206 { 1207 FX_FLOAT fPos; 1208 switch (this->m_sbType) 1209 { 1210 case SBT_HSCROLL: 1211 fPos = m_OriginInfo.fContentMin + m_sData.fScrollPos; 1212 break; 1213 case SBT_VSCROLL: 1214 fPos = m_OriginInfo.fContentMax - m_sData.fScrollPos; 1215 break; 1216 } 1217 pParent->OnNotify(this,PNM_SCROLLWINDOW,(FX_INTPTR)m_sbType,(FX_INTPTR)&fPos); 1218 } 1219 } 1220 1221 CPDF_Rect CPWL_ScrollBar::GetScrollArea() const 1222 { 1223 CPDF_Rect rcClient = GetClientRect(); 1224 CPDF_Rect rcArea; 1225 1226 if (!m_pMinButton || !m_pMaxButton)return rcClient; 1227 1228 CPDF_Rect rcMin = m_pMinButton->GetWindowRect(); 1229 CPDF_Rect rcMax = m_pMaxButton->GetWindowRect(); 1230 1231 FX_FLOAT fMinWidth = rcMin.right - rcMin.left; 1232 FX_FLOAT fMinHeight = rcMin.top - rcMin.bottom; 1233 FX_FLOAT fMaxWidth = rcMax.right - rcMax.left; 1234 FX_FLOAT fMaxHeight = rcMax.top - rcMax.bottom; 1235 1236 switch(m_sbType) 1237 { 1238 case SBT_HSCROLL: 1239 if (rcClient.right - rcClient.left > fMinWidth + fMaxWidth + 2) 1240 { 1241 rcArea = CPDF_Rect(rcClient.left + fMinWidth + 1,rcClient.bottom, 1242 rcClient.right - fMaxWidth - 1,rcClient.top); 1243 } 1244 else 1245 { 1246 rcArea = CPDF_Rect(rcClient.left + fMinWidth + 1,rcClient.bottom, 1247 rcClient.left + fMinWidth + 1,rcClient.top); 1248 } 1249 break; 1250 case SBT_VSCROLL: 1251 if (rcClient.top - rcClient.bottom > fMinHeight + fMaxHeight + 2) 1252 { 1253 rcArea = CPDF_Rect(rcClient.left,rcClient.bottom + fMinHeight + 1, 1254 rcClient.right,rcClient.top - fMaxHeight - 1); 1255 } 1256 else 1257 { 1258 rcArea = CPDF_Rect(rcClient.left,rcClient.bottom + fMinHeight + 1, 1259 rcClient.right,rcClient.bottom + fMinHeight + 1); 1260 } 1261 break; 1262 } 1263 1264 rcArea.Normalize(); 1265 1266 return rcArea; 1267 } 1268 1269 FX_FLOAT CPWL_ScrollBar::TrueToFace(FX_FLOAT fTrue) 1270 { 1271 CPDF_Rect rcPosArea; 1272 rcPosArea = GetScrollArea(); 1273 1274 FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth; 1275 fFactWidth = fFactWidth == 0 ? 1 : fFactWidth; 1276 1277 FX_FLOAT fFace = 0; 1278 1279 switch(m_sbType) 1280 { 1281 case SBT_HSCROLL: 1282 fFace = rcPosArea.left + fTrue * (rcPosArea.right - rcPosArea.left) / fFactWidth; 1283 break; 1284 case SBT_VSCROLL: 1285 fFace = rcPosArea.top - fTrue * (rcPosArea.top - rcPosArea.bottom) / fFactWidth; 1286 break; 1287 } 1288 1289 return fFace; 1290 } 1291 1292 FX_FLOAT CPWL_ScrollBar::FaceToTrue(FX_FLOAT fFace) 1293 { 1294 CPDF_Rect rcPosArea; 1295 rcPosArea = GetScrollArea(); 1296 1297 FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth; 1298 fFactWidth = fFactWidth == 0 ? 1 : fFactWidth; 1299 1300 FX_FLOAT fTrue = 0; 1301 1302 switch(m_sbType) 1303 { 1304 case SBT_HSCROLL: 1305 fTrue = (fFace - rcPosArea.left) * fFactWidth / (rcPosArea.right - rcPosArea.left); 1306 break; 1307 case SBT_VSCROLL: 1308 fTrue = (rcPosArea.top - fFace) * fFactWidth / (rcPosArea.top - rcPosArea.bottom); 1309 break; 1310 } 1311 1312 return fTrue; 1313 } 1314 1315 void CPWL_ScrollBar::CreateChildWnd(const PWL_CREATEPARAM & cp) 1316 { 1317 CreateButtons(cp); 1318 } 1319 1320 void CPWL_ScrollBar::TimerProc() 1321 { 1322 PWL_SCROLL_PRIVATEDATA sTemp = m_sData; 1323 1324 if (m_bMinOrMax)m_sData.SubSmall(); 1325 else m_sData.AddSmall(); 1326 1327 if (FXSYS_memcmp(&m_sData, &sTemp, sizeof(PWL_SCROLL_PRIVATEDATA)) != 0) 1328 { 1329 MovePosButton(TRUE); 1330 NotifyScrollWindow(); 1331 } 1332 } 1333 1334 /* 1335 void CPWL_ScrollBar::OnSetFocus() 1336 { 1337 if (GetTransparency() != 255) 1338 { 1339 SetTransparency(255); 1340 InvalidateRect(); 1341 } 1342 } 1343 1344 void CPWL_ScrollBar::OnKillFocus() 1345 { 1346 if (GetTransparency() != PWL_SCROLLBAR_TRANSPARANCY) 1347 { 1348 SetTransparency(PWL_SCROLLBAR_TRANSPARANCY); 1349 InvalidateRect(); 1350 } 1351 } 1352 */ 1353 1354
