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| 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 "fpdfsdk/include/pdfwindow/PWL_ScrollBar.h" | |
| 8 #include "fpdfsdk/include/pdfwindow/PWL_Utils.h" | |
| 9 #include "fpdfsdk/include/pdfwindow/PWL_Wnd.h" | |
| 10 | |
| 11 #define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001) | |
| 12 #define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb))) | |
| 13 #define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb))) | |
| 14 #define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb)) | |
| 15 | |
| 16 PWL_FLOATRANGE::PWL_FLOATRANGE() { | |
| 17 Default(); | |
| 18 } | |
| 19 | |
| 20 PWL_FLOATRANGE::PWL_FLOATRANGE(FX_FLOAT min, FX_FLOAT max) { | |
| 21 Set(min, max); | |
| 22 } | |
| 23 | |
| 24 void PWL_FLOATRANGE::Default() { | |
| 25 fMin = 0; | |
| 26 fMax = 0; | |
| 27 } | |
| 28 | |
| 29 void PWL_FLOATRANGE::Set(FX_FLOAT min, FX_FLOAT max) { | |
| 30 if (min > max) { | |
| 31 fMin = max; | |
| 32 fMax = min; | |
| 33 } else { | |
| 34 fMin = min; | |
| 35 fMax = max; | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 FX_BOOL PWL_FLOATRANGE::In(FX_FLOAT x) const { | |
| 40 return (IsFloatBigger(x, fMin) || IsFloatEqual(x, fMin)) && | |
| 41 (IsFloatSmaller(x, fMax) || IsFloatEqual(x, fMax)); | |
| 42 } | |
| 43 | |
| 44 FX_FLOAT PWL_FLOATRANGE::GetWidth() const { | |
| 45 return fMax - fMin; | |
| 46 } | |
| 47 | |
| 48 PWL_SCROLL_PRIVATEDATA::PWL_SCROLL_PRIVATEDATA() { | |
| 49 Default(); | |
| 50 } | |
| 51 | |
| 52 void PWL_SCROLL_PRIVATEDATA::Default() { | |
| 53 ScrollRange.Default(); | |
| 54 fScrollPos = ScrollRange.fMin; | |
| 55 fClientWidth = 0; | |
| 56 fBigStep = 10; | |
| 57 fSmallStep = 1; | |
| 58 } | |
| 59 | |
| 60 void PWL_SCROLL_PRIVATEDATA::SetScrollRange(FX_FLOAT min, FX_FLOAT max) { | |
| 61 ScrollRange.Set(min, max); | |
| 62 | |
| 63 if (IsFloatSmaller(fScrollPos, ScrollRange.fMin)) | |
| 64 fScrollPos = ScrollRange.fMin; | |
| 65 if (IsFloatBigger(fScrollPos, ScrollRange.fMax)) | |
| 66 fScrollPos = ScrollRange.fMax; | |
| 67 } | |
| 68 | |
| 69 void PWL_SCROLL_PRIVATEDATA::SetClientWidth(FX_FLOAT width) { | |
| 70 fClientWidth = width; | |
| 71 } | |
| 72 | |
| 73 void PWL_SCROLL_PRIVATEDATA::SetSmallStep(FX_FLOAT step) { | |
| 74 fSmallStep = step; | |
| 75 } | |
| 76 | |
| 77 void PWL_SCROLL_PRIVATEDATA::SetBigStep(FX_FLOAT step) { | |
| 78 fBigStep = step; | |
| 79 } | |
| 80 | |
| 81 FX_BOOL PWL_SCROLL_PRIVATEDATA::SetPos(FX_FLOAT pos) { | |
| 82 if (ScrollRange.In(pos)) { | |
| 83 fScrollPos = pos; | |
| 84 return TRUE; | |
| 85 } | |
| 86 return FALSE; | |
| 87 } | |
| 88 | |
| 89 void PWL_SCROLL_PRIVATEDATA::AddSmall() { | |
| 90 if (!SetPos(fScrollPos + fSmallStep)) | |
| 91 SetPos(ScrollRange.fMax); | |
| 92 } | |
| 93 | |
| 94 void PWL_SCROLL_PRIVATEDATA::SubSmall() { | |
| 95 if (!SetPos(fScrollPos - fSmallStep)) | |
| 96 SetPos(ScrollRange.fMin); | |
| 97 } | |
| 98 | |
| 99 void PWL_SCROLL_PRIVATEDATA::AddBig() { | |
| 100 if (!SetPos(fScrollPos + fBigStep)) | |
| 101 SetPos(ScrollRange.fMax); | |
| 102 } | |
| 103 | |
| 104 void PWL_SCROLL_PRIVATEDATA::SubBig() { | |
| 105 if (!SetPos(fScrollPos - fBigStep)) | |
| 106 SetPos(ScrollRange.fMin); | |
| 107 } | |
| 108 | |
| 109 CPWL_SBButton::CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType, | |
| 110 PWL_SBBUTTON_TYPE eButtonType) { | |
| 111 m_eScrollBarType = eScrollBarType; | |
| 112 m_eSBButtonType = eButtonType; | |
| 113 | |
| 114 m_bMouseDown = FALSE; | |
| 115 } | |
| 116 | |
| 117 CPWL_SBButton::~CPWL_SBButton() {} | |
| 118 | |
| 119 CFX_ByteString CPWL_SBButton::GetClassName() const { | |
| 120 return "CPWL_SBButton"; | |
| 121 } | |
| 122 | |
| 123 void CPWL_SBButton::OnCreate(PWL_CREATEPARAM& cp) { | |
| 124 cp.eCursorType = FXCT_ARROW; | |
| 125 } | |
| 126 | |
| 127 void CPWL_SBButton::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) { | |
| 128 CPWL_Wnd::GetThisAppearanceStream(sAppStream); | |
| 129 | |
| 130 if (!IsVisible()) | |
| 131 return; | |
| 132 | |
| 133 CFX_ByteTextBuf sButton; | |
| 134 | |
| 135 CFX_FloatRect rectWnd = GetWindowRect(); | |
| 136 | |
| 137 if (rectWnd.IsEmpty()) | |
| 138 return; | |
| 139 | |
| 140 sAppStream << "q\n"; | |
| 141 | |
| 142 CFX_FloatPoint ptCenter = GetCenterPoint(); | |
| 143 | |
| 144 switch (m_eScrollBarType) { | |
| 145 case SBT_HSCROLL: | |
| 146 switch (m_eSBButtonType) { | |
| 147 case PSBT_MIN: { | |
| 148 CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 149 ptCenter.y); | |
| 150 CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 151 ptCenter.y + PWL_TRIANGLE_HALFLEN); | |
| 152 CFX_FloatPoint pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 153 ptCenter.y - PWL_TRIANGLE_HALFLEN); | |
| 154 | |
| 155 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && | |
| 156 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) { | |
| 157 sButton << "0 g\n"; | |
| 158 sButton << pt1.x << " " << pt1.y << " m\n"; | |
| 159 sButton << pt2.x << " " << pt2.y << " l\n"; | |
| 160 sButton << pt3.x << " " << pt3.y << " l\n"; | |
| 161 sButton << pt1.x << " " << pt1.y << " l f\n"; | |
| 162 | |
| 163 sAppStream << sButton; | |
| 164 } | |
| 165 } break; | |
| 166 case PSBT_MAX: { | |
| 167 CFX_FloatPoint pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 168 ptCenter.y); | |
| 169 CFX_FloatPoint pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 170 ptCenter.y + PWL_TRIANGLE_HALFLEN); | |
| 171 CFX_FloatPoint pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 172 ptCenter.y - PWL_TRIANGLE_HALFLEN); | |
| 173 | |
| 174 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && | |
| 175 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) { | |
| 176 sButton << "0 g\n"; | |
| 177 sButton << pt1.x << " " << pt1.y << " m\n"; | |
| 178 sButton << pt2.x << " " << pt2.y << " l\n"; | |
| 179 sButton << pt3.x << " " << pt3.y << " l\n"; | |
| 180 sButton << pt1.x << " " << pt1.y << " l f\n"; | |
| 181 | |
| 182 sAppStream << sButton; | |
| 183 } | |
| 184 } break; | |
| 185 default: | |
| 186 break; | |
| 187 } | |
| 188 break; | |
| 189 case SBT_VSCROLL: | |
| 190 switch (m_eSBButtonType) { | |
| 191 case PSBT_MIN: { | |
| 192 CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN, | |
| 193 ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); | |
| 194 CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN, | |
| 195 ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); | |
| 196 CFX_FloatPoint pt3(ptCenter.x, | |
| 197 ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); | |
| 198 | |
| 199 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && | |
| 200 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) { | |
| 201 sButton << "0 g\n"; | |
| 202 sButton << pt1.x << " " << pt1.y << " m\n"; | |
| 203 sButton << pt2.x << " " << pt2.y << " l\n"; | |
| 204 sButton << pt3.x << " " << pt3.y << " l\n"; | |
| 205 sButton << pt1.x << " " << pt1.y << " l f\n"; | |
| 206 | |
| 207 sAppStream << sButton; | |
| 208 } | |
| 209 } break; | |
| 210 case PSBT_MAX: { | |
| 211 CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN, | |
| 212 ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); | |
| 213 CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN, | |
| 214 ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); | |
| 215 CFX_FloatPoint pt3(ptCenter.x, | |
| 216 ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); | |
| 217 | |
| 218 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && | |
| 219 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) { | |
| 220 sButton << "0 g\n"; | |
| 221 sButton << pt1.x << " " << pt1.y << " m\n"; | |
| 222 sButton << pt2.x << " " << pt2.y << " l\n"; | |
| 223 sButton << pt3.x << " " << pt3.y << " l\n"; | |
| 224 sButton << pt1.x << " " << pt1.y << " l f\n"; | |
| 225 | |
| 226 sAppStream << sButton; | |
| 227 } | |
| 228 } break; | |
| 229 default: | |
| 230 break; | |
| 231 } | |
| 232 break; | |
| 233 default: | |
| 234 break; | |
| 235 } | |
| 236 | |
| 237 sAppStream << "Q\n"; | |
| 238 } | |
| 239 | |
| 240 void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice, | |
| 241 CFX_Matrix* pUser2Device) { | |
| 242 if (!IsVisible()) | |
| 243 return; | |
| 244 | |
| 245 CFX_FloatRect rectWnd = GetWindowRect(); | |
| 246 if (rectWnd.IsEmpty()) | |
| 247 return; | |
| 248 | |
| 249 CFX_FloatPoint ptCenter = GetCenterPoint(); | |
| 250 int32_t nTransparancy = GetTransparency(); | |
| 251 | |
| 252 switch (m_eScrollBarType) { | |
| 253 case SBT_HSCROLL: | |
| 254 CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device); | |
| 255 switch (m_eSBButtonType) { | |
| 256 case PSBT_MIN: { | |
| 257 CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 258 ptCenter.y); | |
| 259 CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 260 ptCenter.y + PWL_TRIANGLE_HALFLEN); | |
| 261 CFX_FloatPoint pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 262 ptCenter.y - PWL_TRIANGLE_HALFLEN); | |
| 263 | |
| 264 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && | |
| 265 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) { | |
| 266 CFX_PathData path; | |
| 267 | |
| 268 path.SetPointCount(4); | |
| 269 path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO); | |
| 270 path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO); | |
| 271 path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO); | |
| 272 path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO); | |
| 273 | |
| 274 pDevice->DrawPath(&path, pUser2Device, NULL, | |
| 275 CPWL_Utils::PWLColorToFXColor( | |
| 276 PWL_DEFAULT_BLACKCOLOR, nTransparancy), | |
| 277 0, FXFILL_ALTERNATE); | |
| 278 } | |
| 279 } break; | |
| 280 case PSBT_MAX: { | |
| 281 CFX_FloatPoint pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 282 ptCenter.y); | |
| 283 CFX_FloatPoint pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 284 ptCenter.y + PWL_TRIANGLE_HALFLEN); | |
| 285 CFX_FloatPoint pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, | |
| 286 ptCenter.y - PWL_TRIANGLE_HALFLEN); | |
| 287 | |
| 288 if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 && | |
| 289 rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) { | |
| 290 CFX_PathData path; | |
| 291 | |
| 292 path.SetPointCount(4); | |
| 293 path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO); | |
| 294 path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO); | |
| 295 path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO); | |
| 296 path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO); | |
| 297 | |
| 298 pDevice->DrawPath(&path, pUser2Device, NULL, | |
| 299 CPWL_Utils::PWLColorToFXColor( | |
| 300 PWL_DEFAULT_BLACKCOLOR, nTransparancy), | |
| 301 0, FXFILL_ALTERNATE); | |
| 302 } | |
| 303 } break; | |
| 304 default: | |
| 305 break; | |
| 306 } | |
| 307 break; | |
| 308 case SBT_VSCROLL: | |
| 309 switch (m_eSBButtonType) { | |
| 310 case PSBT_MIN: { | |
| 311 // draw border | |
| 312 CFX_FloatRect rcDraw = rectWnd; | |
| 313 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, | |
| 314 ArgbEncode(nTransparancy, 100, 100, 100), | |
| 315 0.0f); | |
| 316 | |
| 317 // draw inner border | |
| 318 rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f); | |
| 319 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, | |
| 320 ArgbEncode(nTransparancy, 255, 255, 255), | |
| 321 1.0f); | |
| 322 | |
| 323 // draw background | |
| 324 | |
| 325 rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f); | |
| 326 | |
| 327 if (IsEnabled()) | |
| 328 CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw, | |
| 329 nTransparancy, 80, 220); | |
| 330 else | |
| 331 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, | |
| 332 ArgbEncode(255, 255, 255, 255)); | |
| 333 | |
| 334 // draw arrow | |
| 335 | |
| 336 if (rectWnd.top - rectWnd.bottom > 6.0f) { | |
| 337 FX_FLOAT fX = rectWnd.left + 1.5f; | |
| 338 FX_FLOAT fY = rectWnd.bottom; | |
| 339 CFX_FloatPoint pts[7] = {CFX_FloatPoint(fX + 2.5f, fY + 4.0f), | |
| 340 CFX_FloatPoint(fX + 2.5f, fY + 3.0f), | |
| 341 CFX_FloatPoint(fX + 4.5f, fY + 5.0f), | |
| 342 CFX_FloatPoint(fX + 6.5f, fY + 3.0f), | |
| 343 CFX_FloatPoint(fX + 6.5f, fY + 4.0f), | |
| 344 CFX_FloatPoint(fX + 4.5f, fY + 6.0f), | |
| 345 CFX_FloatPoint(fX + 2.5f, fY + 4.0f)}; | |
| 346 | |
| 347 if (IsEnabled()) | |
| 348 CPWL_Utils::DrawFillArea( | |
| 349 pDevice, pUser2Device, pts, 7, | |
| 350 ArgbEncode(nTransparancy, 255, 255, 255)); | |
| 351 else | |
| 352 CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, | |
| 353 CPWL_Utils::PWLColorToFXColor( | |
| 354 PWL_DEFAULT_HEAVYGRAYCOLOR, 255)); | |
| 355 } | |
| 356 } break; | |
| 357 case PSBT_MAX: { | |
| 358 // draw border | |
| 359 CFX_FloatRect rcDraw = rectWnd; | |
| 360 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, | |
| 361 ArgbEncode(nTransparancy, 100, 100, 100), | |
| 362 0.0f); | |
| 363 | |
| 364 // draw inner border | |
| 365 rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f); | |
| 366 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, | |
| 367 ArgbEncode(nTransparancy, 255, 255, 255), | |
| 368 1.0f); | |
| 369 | |
| 370 // draw background | |
| 371 rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f); | |
| 372 if (IsEnabled()) | |
| 373 CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw, | |
| 374 nTransparancy, 80, 220); | |
| 375 else | |
| 376 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, | |
| 377 ArgbEncode(255, 255, 255, 255)); | |
| 378 | |
| 379 // draw arrow | |
| 380 | |
| 381 if (rectWnd.top - rectWnd.bottom > 6.0f) { | |
| 382 FX_FLOAT fX = rectWnd.left + 1.5f; | |
| 383 FX_FLOAT fY = rectWnd.bottom; | |
| 384 | |
| 385 CFX_FloatPoint pts[7] = {CFX_FloatPoint(fX + 2.5f, fY + 5.0f), | |
| 386 CFX_FloatPoint(fX + 2.5f, fY + 6.0f), | |
| 387 CFX_FloatPoint(fX + 4.5f, fY + 4.0f), | |
| 388 CFX_FloatPoint(fX + 6.5f, fY + 6.0f), | |
| 389 CFX_FloatPoint(fX + 6.5f, fY + 5.0f), | |
| 390 CFX_FloatPoint(fX + 4.5f, fY + 3.0f), | |
| 391 CFX_FloatPoint(fX + 2.5f, fY + 5.0f)}; | |
| 392 | |
| 393 if (IsEnabled()) | |
| 394 CPWL_Utils::DrawFillArea( | |
| 395 pDevice, pUser2Device, pts, 7, | |
| 396 ArgbEncode(nTransparancy, 255, 255, 255)); | |
| 397 else | |
| 398 CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7, | |
| 399 CPWL_Utils::PWLColorToFXColor( | |
| 400 PWL_DEFAULT_HEAVYGRAYCOLOR, 255)); | |
| 401 } | |
| 402 } break; | |
| 403 case PSBT_POS: { | |
| 404 // draw border | |
| 405 CFX_FloatRect rcDraw = rectWnd; | |
| 406 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, | |
| 407 ArgbEncode(nTransparancy, 100, 100, 100), | |
| 408 0.0f); | |
| 409 | |
| 410 // draw inner border | |
| 411 rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f); | |
| 412 CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw, | |
| 413 ArgbEncode(nTransparancy, 255, 255, 255), | |
| 414 1.0f); | |
| 415 | |
| 416 if (IsEnabled()) { | |
| 417 // draw shadow effect | |
| 418 | |
| 419 CFX_FloatPoint ptTop = | |
| 420 CFX_FloatPoint(rectWnd.left, rectWnd.top - 1.0f); | |
| 421 CFX_FloatPoint ptBottom = | |
| 422 CFX_FloatPoint(rectWnd.left, rectWnd.bottom + 1.0f); | |
| 423 | |
| 424 ptTop.x += 1.5f; | |
| 425 ptBottom.x += 1.5f; | |
| 426 | |
| 427 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 428 ArgbEncode(nTransparancy, 210, 210, 210), | |
| 429 1.0f); | |
| 430 | |
| 431 ptTop.x += 1.0f; | |
| 432 ptBottom.x += 1.0f; | |
| 433 | |
| 434 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 435 ArgbEncode(nTransparancy, 220, 220, 220), | |
| 436 1.0f); | |
| 437 | |
| 438 ptTop.x += 1.0f; | |
| 439 ptBottom.x += 1.0f; | |
| 440 | |
| 441 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 442 ArgbEncode(nTransparancy, 240, 240, 240), | |
| 443 1.0f); | |
| 444 | |
| 445 ptTop.x += 1.0f; | |
| 446 ptBottom.x += 1.0f; | |
| 447 | |
| 448 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 449 ArgbEncode(nTransparancy, 240, 240, 240), | |
| 450 1.0f); | |
| 451 | |
| 452 ptTop.x += 1.0f; | |
| 453 ptBottom.x += 1.0f; | |
| 454 | |
| 455 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 456 ArgbEncode(nTransparancy, 210, 210, 210), | |
| 457 1.0f); | |
| 458 | |
| 459 ptTop.x += 1.0f; | |
| 460 ptBottom.x += 1.0f; | |
| 461 | |
| 462 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 463 ArgbEncode(nTransparancy, 180, 180, 180), | |
| 464 1.0f); | |
| 465 | |
| 466 ptTop.x += 1.0f; | |
| 467 ptBottom.x += 1.0f; | |
| 468 | |
| 469 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 470 ArgbEncode(nTransparancy, 150, 150, 150), | |
| 471 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, 150, 150, 150), | |
| 478 1.0f); | |
| 479 | |
| 480 ptTop.x += 1.0f; | |
| 481 ptBottom.x += 1.0f; | |
| 482 | |
| 483 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 484 ArgbEncode(nTransparancy, 180, 180, 180), | |
| 485 1.0f); | |
| 486 | |
| 487 ptTop.x += 1.0f; | |
| 488 ptBottom.x += 1.0f; | |
| 489 | |
| 490 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom, | |
| 491 ArgbEncode(nTransparancy, 210, 210, 210), | |
| 492 1.0f); | |
| 493 } else { | |
| 494 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw, | |
| 495 ArgbEncode(255, 255, 255, 255)); | |
| 496 } | |
| 497 | |
| 498 // draw friction | |
| 499 | |
| 500 if (rectWnd.Height() > 8.0f) { | |
| 501 FX_COLORREF crStroke = ArgbEncode(nTransparancy, 120, 120, 120); | |
| 502 if (!IsEnabled()) | |
| 503 crStroke = CPWL_Utils::PWLColorToFXColor( | |
| 504 PWL_DEFAULT_HEAVYGRAYCOLOR, 255); | |
| 505 | |
| 506 FX_FLOAT nFrictionWidth = 5.0f; | |
| 507 FX_FLOAT nFrictionHeight = 5.5f; | |
| 508 | |
| 509 CFX_FloatPoint ptLeft = | |
| 510 CFX_FloatPoint(ptCenter.x - nFrictionWidth / 2.0f, | |
| 511 ptCenter.y - nFrictionHeight / 2.0f + 0.5f); | |
| 512 CFX_FloatPoint ptRight = | |
| 513 CFX_FloatPoint(ptCenter.x + nFrictionWidth / 2.0f, | |
| 514 ptCenter.y - nFrictionHeight / 2.0f + 0.5f); | |
| 515 | |
| 516 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight, | |
| 517 crStroke, 1.0f); | |
| 518 | |
| 519 ptLeft.y += 2.0f; | |
| 520 ptRight.y += 2.0f; | |
| 521 | |
| 522 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight, | |
| 523 crStroke, 1.0f); | |
| 524 | |
| 525 ptLeft.y += 2.0f; | |
| 526 ptRight.y += 2.0f; | |
| 527 | |
| 528 CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight, | |
| 529 crStroke, 1.0f); | |
| 530 } | |
| 531 } break; | |
| 532 default: | |
| 533 break; | |
| 534 } | |
| 535 break; | |
| 536 default: | |
| 537 break; | |
| 538 } | |
| 539 } | |
| 540 | |
| 541 FX_BOOL CPWL_SBButton::OnLButtonDown(const CFX_FloatPoint& point, | |
| 542 FX_DWORD nFlag) { | |
| 543 CPWL_Wnd::OnLButtonDown(point, nFlag); | |
| 544 | |
| 545 if (CPWL_Wnd* pParent = GetParentWindow()) | |
| 546 pParent->OnNotify(this, PNM_LBUTTONDOWN, 0, (intptr_t)&point); | |
| 547 | |
| 548 m_bMouseDown = TRUE; | |
| 549 SetCapture(); | |
| 550 | |
| 551 return TRUE; | |
| 552 } | |
| 553 | |
| 554 FX_BOOL CPWL_SBButton::OnLButtonUp(const CFX_FloatPoint& point, | |
| 555 FX_DWORD nFlag) { | |
| 556 CPWL_Wnd::OnLButtonUp(point, nFlag); | |
| 557 | |
| 558 if (CPWL_Wnd* pParent = GetParentWindow()) | |
| 559 pParent->OnNotify(this, PNM_LBUTTONUP, 0, (intptr_t)&point); | |
| 560 | |
| 561 m_bMouseDown = FALSE; | |
| 562 ReleaseCapture(); | |
| 563 | |
| 564 return TRUE; | |
| 565 } | |
| 566 | |
| 567 FX_BOOL CPWL_SBButton::OnMouseMove(const CFX_FloatPoint& point, | |
| 568 FX_DWORD nFlag) { | |
| 569 CPWL_Wnd::OnMouseMove(point, nFlag); | |
| 570 | |
| 571 if (CPWL_Wnd* pParent = GetParentWindow()) { | |
| 572 pParent->OnNotify(this, PNM_MOUSEMOVE, 0, (intptr_t)&point); | |
| 573 } | |
| 574 | |
| 575 return TRUE; | |
| 576 } | |
| 577 | |
| 578 CPWL_ScrollBar::CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType) | |
| 579 : m_sbType(sbType), | |
| 580 m_pMinButton(NULL), | |
| 581 m_pMaxButton(NULL), | |
| 582 m_pPosButton(NULL), | |
| 583 m_bMouseDown(FALSE), | |
| 584 m_bMinOrMax(FALSE), | |
| 585 m_bNotifyForever(TRUE) {} | |
| 586 | |
| 587 CPWL_ScrollBar::~CPWL_ScrollBar() {} | |
| 588 | |
| 589 CFX_ByteString CPWL_ScrollBar::GetClassName() const { | |
| 590 return "CPWL_ScrollBar"; | |
| 591 } | |
| 592 | |
| 593 void CPWL_ScrollBar::OnCreate(PWL_CREATEPARAM& cp) { | |
| 594 cp.eCursorType = FXCT_ARROW; | |
| 595 } | |
| 596 | |
| 597 void CPWL_ScrollBar::RePosChildWnd() { | |
| 598 CFX_FloatRect rcClient = GetClientRect(); | |
| 599 CFX_FloatRect rcMinButton, rcMaxButton; | |
| 600 FX_FLOAT fBWidth = 0; | |
| 601 | |
| 602 switch (m_sbType) { | |
| 603 case SBT_HSCROLL: | |
| 604 if (rcClient.right - rcClient.left > | |
| 605 PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH + | |
| 606 2) { | |
| 607 rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom, | |
| 608 rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH, | |
| 609 rcClient.top); | |
| 610 rcMaxButton = | |
| 611 CFX_FloatRect(rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH, | |
| 612 rcClient.bottom, rcClient.right, rcClient.top); | |
| 613 } else { | |
| 614 fBWidth = (rcClient.right - rcClient.left - | |
| 615 PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) / | |
| 616 2; | |
| 617 | |
| 618 if (fBWidth > 0) { | |
| 619 rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom, | |
| 620 rcClient.left + fBWidth, rcClient.top); | |
| 621 rcMaxButton = CFX_FloatRect(rcClient.right - fBWidth, rcClient.bottom, | |
| 622 rcClient.right, rcClient.top); | |
| 623 } else { | |
| 624 SetVisible(FALSE); | |
| 625 } | |
| 626 } | |
| 627 break; | |
| 628 case SBT_VSCROLL: | |
| 629 if (IsFloatBigger(rcClient.top - rcClient.bottom, | |
| 630 PWL_SCROLLBAR_BUTTON_WIDTH * 2 + | |
| 631 PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2)) { | |
| 632 rcMinButton = CFX_FloatRect(rcClient.left, | |
| 633 rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH, | |
| 634 rcClient.right, rcClient.top); | |
| 635 rcMaxButton = | |
| 636 CFX_FloatRect(rcClient.left, rcClient.bottom, rcClient.right, | |
| 637 rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH); | |
| 638 } else { | |
| 639 fBWidth = (rcClient.top - rcClient.bottom - | |
| 640 PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) / | |
| 641 2; | |
| 642 | |
| 643 if (IsFloatBigger(fBWidth, 0)) { | |
| 644 rcMinButton = CFX_FloatRect(rcClient.left, rcClient.top - fBWidth, | |
| 645 rcClient.right, rcClient.top); | |
| 646 rcMaxButton = | |
| 647 CFX_FloatRect(rcClient.left, rcClient.bottom, rcClient.right, | |
| 648 rcClient.bottom + fBWidth); | |
| 649 } else { | |
| 650 SetVisible(FALSE); | |
| 651 } | |
| 652 } | |
| 653 break; | |
| 654 } | |
| 655 | |
| 656 if (m_pMinButton) | |
| 657 m_pMinButton->Move(rcMinButton, TRUE, FALSE); | |
| 658 if (m_pMaxButton) | |
| 659 m_pMaxButton->Move(rcMaxButton, TRUE, FALSE); | |
| 660 MovePosButton(FALSE); | |
| 661 } | |
| 662 | |
| 663 void CPWL_ScrollBar::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) { | |
| 664 CFX_FloatRect rectWnd = GetWindowRect(); | |
| 665 | |
| 666 if (IsVisible() && !rectWnd.IsEmpty()) { | |
| 667 CFX_ByteTextBuf sButton; | |
| 668 | |
| 669 sButton << "q\n"; | |
| 670 sButton << "0 w\n" | |
| 671 << CPWL_Utils::GetColorAppStream(GetBackgroundColor(), TRUE); | |
| 672 sButton << rectWnd.left << " " << rectWnd.bottom << " " | |
| 673 << rectWnd.right - rectWnd.left << " " | |
| 674 << rectWnd.top - rectWnd.bottom << " re b Q\n"; | |
| 675 | |
| 676 sAppStream << sButton; | |
| 677 } | |
| 678 } | |
| 679 | |
| 680 void CPWL_ScrollBar::DrawThisAppearance(CFX_RenderDevice* pDevice, | |
| 681 CFX_Matrix* pUser2Device) { | |
| 682 CFX_FloatRect rectWnd = GetWindowRect(); | |
| 683 | |
| 684 if (IsVisible() && !rectWnd.IsEmpty()) { | |
| 685 CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rectWnd, | |
| 686 GetBackgroundColor(), GetTransparency()); | |
| 687 | |
| 688 CPWL_Utils::DrawStrokeLine( | |
| 689 pDevice, pUser2Device, | |
| 690 CFX_FloatPoint(rectWnd.left + 2.0f, rectWnd.top - 2.0f), | |
| 691 CFX_FloatPoint(rectWnd.left + 2.0f, rectWnd.bottom + 2.0f), | |
| 692 ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f); | |
| 693 | |
| 694 CPWL_Utils::DrawStrokeLine( | |
| 695 pDevice, pUser2Device, | |
| 696 CFX_FloatPoint(rectWnd.right - 2.0f, rectWnd.top - 2.0f), | |
| 697 CFX_FloatPoint(rectWnd.right - 2.0f, rectWnd.bottom + 2.0f), | |
| 698 ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f); | |
| 699 } | |
| 700 } | |
| 701 | |
| 702 FX_BOOL CPWL_ScrollBar::OnLButtonDown(const CFX_FloatPoint& point, | |
| 703 FX_DWORD nFlag) { | |
| 704 CPWL_Wnd::OnLButtonDown(point, nFlag); | |
| 705 | |
| 706 if (HasFlag(PWS_AUTOTRANSPARENT)) { | |
| 707 if (GetTransparency() != 255) { | |
| 708 SetTransparency(255); | |
| 709 InvalidateRect(); | |
| 710 } | |
| 711 } | |
| 712 | |
| 713 CFX_FloatRect rcMinArea, rcMaxArea; | |
| 714 | |
| 715 if (m_pPosButton && m_pPosButton->IsVisible()) { | |
| 716 CFX_FloatRect rcClient = GetClientRect(); | |
| 717 CFX_FloatRect rcPosButton = m_pPosButton->GetWindowRect(); | |
| 718 | |
| 719 switch (m_sbType) { | |
| 720 case SBT_HSCROLL: | |
| 721 rcMinArea = | |
| 722 CFX_FloatRect(rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH, | |
| 723 rcClient.bottom, rcPosButton.left, rcClient.top); | |
| 724 rcMaxArea = CFX_FloatRect(rcPosButton.right, rcClient.bottom, | |
| 725 rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH, | |
| 726 rcClient.top); | |
| 727 | |
| 728 break; | |
| 729 case SBT_VSCROLL: | |
| 730 rcMinArea = | |
| 731 CFX_FloatRect(rcClient.left, rcPosButton.top, rcClient.right, | |
| 732 rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH); | |
| 733 rcMaxArea = CFX_FloatRect(rcClient.left, | |
| 734 rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH, | |
| 735 rcClient.right, rcPosButton.bottom); | |
| 736 break; | |
| 737 } | |
| 738 | |
| 739 rcMinArea.Normalize(); | |
| 740 rcMaxArea.Normalize(); | |
| 741 | |
| 742 if (rcMinArea.Contains(point.x, point.y)) { | |
| 743 m_sData.SubBig(); | |
| 744 MovePosButton(TRUE); | |
| 745 NotifyScrollWindow(); | |
| 746 } | |
| 747 | |
| 748 if (rcMaxArea.Contains(point.x, point.y)) { | |
| 749 m_sData.AddBig(); | |
| 750 MovePosButton(TRUE); | |
| 751 NotifyScrollWindow(); | |
| 752 } | |
| 753 } | |
| 754 | |
| 755 return TRUE; | |
| 756 } | |
| 757 | |
| 758 FX_BOOL CPWL_ScrollBar::OnLButtonUp(const CFX_FloatPoint& point, | |
| 759 FX_DWORD nFlag) { | |
| 760 CPWL_Wnd::OnLButtonUp(point, nFlag); | |
| 761 | |
| 762 if (HasFlag(PWS_AUTOTRANSPARENT)) { | |
| 763 if (GetTransparency() != PWL_SCROLLBAR_TRANSPARANCY) { | |
| 764 SetTransparency(PWL_SCROLLBAR_TRANSPARANCY); | |
| 765 InvalidateRect(); | |
| 766 } | |
| 767 } | |
| 768 | |
| 769 EndTimer(); | |
| 770 m_bMouseDown = FALSE; | |
| 771 | |
| 772 return TRUE; | |
| 773 } | |
| 774 | |
| 775 void CPWL_ScrollBar::OnNotify(CPWL_Wnd* pWnd, | |
| 776 FX_DWORD msg, | |
| 777 intptr_t wParam, | |
| 778 intptr_t lParam) { | |
| 779 CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam); | |
| 780 | |
| 781 switch (msg) { | |
| 782 case PNM_LBUTTONDOWN: | |
| 783 if (pWnd == m_pMinButton) { | |
| 784 OnMinButtonLBDown(*(CFX_FloatPoint*)lParam); | |
| 785 } | |
| 786 | |
| 787 if (pWnd == m_pMaxButton) { | |
| 788 OnMaxButtonLBDown(*(CFX_FloatPoint*)lParam); | |
| 789 } | |
| 790 | |
| 791 if (pWnd == m_pPosButton) { | |
| 792 OnPosButtonLBDown(*(CFX_FloatPoint*)lParam); | |
| 793 } | |
| 794 break; | |
| 795 case PNM_LBUTTONUP: | |
| 796 if (pWnd == m_pMinButton) { | |
| 797 OnMinButtonLBUp(*(CFX_FloatPoint*)lParam); | |
| 798 } | |
| 799 | |
| 800 if (pWnd == m_pMaxButton) { | |
| 801 OnMaxButtonLBUp(*(CFX_FloatPoint*)lParam); | |
| 802 } | |
| 803 | |
| 804 if (pWnd == m_pPosButton) { | |
| 805 OnPosButtonLBUp(*(CFX_FloatPoint*)lParam); | |
| 806 } | |
| 807 break; | |
| 808 case PNM_MOUSEMOVE: | |
| 809 if (pWnd == m_pMinButton) { | |
| 810 OnMinButtonMouseMove(*(CFX_FloatPoint*)lParam); | |
| 811 } | |
| 812 | |
| 813 if (pWnd == m_pMaxButton) { | |
| 814 OnMaxButtonMouseMove(*(CFX_FloatPoint*)lParam); | |
| 815 } | |
| 816 | |
| 817 if (pWnd == m_pPosButton) { | |
| 818 OnPosButtonMouseMove(*(CFX_FloatPoint*)lParam); | |
| 819 } | |
| 820 break; | |
| 821 case PNM_SETSCROLLINFO: { | |
| 822 if (PWL_SCROLL_INFO* pInfo = (PWL_SCROLL_INFO*)lParam) { | |
| 823 if (FXSYS_memcmp(&m_OriginInfo, pInfo, sizeof(PWL_SCROLL_INFO)) != 0) { | |
| 824 m_OriginInfo = *pInfo; | |
| 825 FX_FLOAT fMax = | |
| 826 pInfo->fContentMax - pInfo->fContentMin - pInfo->fPlateWidth; | |
| 827 fMax = fMax > 0.0f ? fMax : 0.0f; | |
| 828 SetScrollRange(0, fMax, pInfo->fPlateWidth); | |
| 829 SetScrollStep(pInfo->fBigStep, pInfo->fSmallStep); | |
| 830 } | |
| 831 } | |
| 832 } break; | |
| 833 case PNM_SETSCROLLPOS: { | |
| 834 FX_FLOAT fPos = *(FX_FLOAT*)lParam; | |
| 835 switch (m_sbType) { | |
| 836 case SBT_HSCROLL: | |
| 837 fPos = fPos - m_OriginInfo.fContentMin; | |
| 838 break; | |
| 839 case SBT_VSCROLL: | |
| 840 fPos = m_OriginInfo.fContentMax - fPos; | |
| 841 break; | |
| 842 } | |
| 843 SetScrollPos(fPos); | |
| 844 } break; | |
| 845 } | |
| 846 } | |
| 847 | |
| 848 void CPWL_ScrollBar::CreateButtons(const PWL_CREATEPARAM& cp) { | |
| 849 PWL_CREATEPARAM scp = cp; | |
| 850 scp.pParentWnd = this; | |
| 851 scp.dwBorderWidth = 2; | |
| 852 scp.nBorderStyle = PBS_BEVELED; | |
| 853 | |
| 854 scp.dwFlags = | |
| 855 PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PWS_NOREFRESHCLIP; | |
| 856 | |
| 857 if (!m_pMinButton) { | |
| 858 m_pMinButton = new CPWL_SBButton(m_sbType, PSBT_MIN); | |
| 859 m_pMinButton->Create(scp); | |
| 860 } | |
| 861 | |
| 862 if (!m_pMaxButton) { | |
| 863 m_pMaxButton = new CPWL_SBButton(m_sbType, PSBT_MAX); | |
| 864 m_pMaxButton->Create(scp); | |
| 865 } | |
| 866 | |
| 867 if (!m_pPosButton) { | |
| 868 m_pPosButton = new CPWL_SBButton(m_sbType, PSBT_POS); | |
| 869 m_pPosButton->SetVisible(FALSE); | |
| 870 m_pPosButton->Create(scp); | |
| 871 } | |
| 872 } | |
| 873 | |
| 874 FX_FLOAT CPWL_ScrollBar::GetScrollBarWidth() const { | |
| 875 if (!IsVisible()) | |
| 876 return 0; | |
| 877 | |
| 878 return PWL_SCROLLBAR_WIDTH; | |
| 879 } | |
| 880 | |
| 881 void CPWL_ScrollBar::SetScrollRange(FX_FLOAT fMin, | |
| 882 FX_FLOAT fMax, | |
| 883 FX_FLOAT fClientWidth) { | |
| 884 if (m_pPosButton) { | |
| 885 m_sData.SetScrollRange(fMin, fMax); | |
| 886 m_sData.SetClientWidth(fClientWidth); | |
| 887 | |
| 888 if (IsFloatSmaller(m_sData.ScrollRange.GetWidth(), 0.0f)) { | |
| 889 m_pPosButton->SetVisible(FALSE); | |
| 890 } else { | |
| 891 m_pPosButton->SetVisible(TRUE); | |
| 892 MovePosButton(TRUE); | |
| 893 } | |
| 894 } | |
| 895 } | |
| 896 | |
| 897 void CPWL_ScrollBar::SetScrollPos(FX_FLOAT fPos) { | |
| 898 FX_FLOAT fOldPos = m_sData.fScrollPos; | |
| 899 | |
| 900 m_sData.SetPos(fPos); | |
| 901 | |
| 902 if (!IsFloatEqual(m_sData.fScrollPos, fOldPos)) | |
| 903 MovePosButton(TRUE); | |
| 904 } | |
| 905 | |
| 906 void CPWL_ScrollBar::SetScrollStep(FX_FLOAT fBigStep, FX_FLOAT fSmallStep) { | |
| 907 m_sData.SetBigStep(fBigStep); | |
| 908 m_sData.SetSmallStep(fSmallStep); | |
| 909 } | |
| 910 | |
| 911 void CPWL_ScrollBar::MovePosButton(FX_BOOL bRefresh) { | |
| 912 ASSERT(m_pMinButton); | |
| 913 ASSERT(m_pMaxButton); | |
| 914 | |
| 915 if (m_pPosButton->IsVisible()) { | |
| 916 CFX_FloatRect rcClient; | |
| 917 CFX_FloatRect rcPosArea, rcPosButton; | |
| 918 | |
| 919 rcClient = GetClientRect(); | |
| 920 rcPosArea = GetScrollArea(); | |
| 921 | |
| 922 FX_FLOAT fLeft, fRight, fTop, fBottom; | |
| 923 | |
| 924 switch (m_sbType) { | |
| 925 case SBT_HSCROLL: | |
| 926 fLeft = TrueToFace(m_sData.fScrollPos); | |
| 927 fRight = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth); | |
| 928 | |
| 929 if (fRight - fLeft < PWL_SCROLLBAR_POSBUTTON_MINWIDTH) | |
| 930 fRight = fLeft + PWL_SCROLLBAR_POSBUTTON_MINWIDTH; | |
| 931 | |
| 932 if (fRight > rcPosArea.right) { | |
| 933 fRight = rcPosArea.right; | |
| 934 fLeft = fRight - PWL_SCROLLBAR_POSBUTTON_MINWIDTH; | |
| 935 } | |
| 936 | |
| 937 rcPosButton = | |
| 938 CFX_FloatRect(fLeft, rcPosArea.bottom, fRight, rcPosArea.top); | |
| 939 | |
| 940 break; | |
| 941 case SBT_VSCROLL: | |
| 942 fBottom = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth); | |
| 943 fTop = TrueToFace(m_sData.fScrollPos); | |
| 944 | |
| 945 if (IsFloatSmaller(fTop - fBottom, PWL_SCROLLBAR_POSBUTTON_MINWIDTH)) | |
| 946 fBottom = fTop - PWL_SCROLLBAR_POSBUTTON_MINWIDTH; | |
| 947 | |
| 948 if (IsFloatSmaller(fBottom, rcPosArea.bottom)) { | |
| 949 fBottom = rcPosArea.bottom; | |
| 950 fTop = fBottom + PWL_SCROLLBAR_POSBUTTON_MINWIDTH; | |
| 951 } | |
| 952 | |
| 953 rcPosButton = | |
| 954 CFX_FloatRect(rcPosArea.left, fBottom, rcPosArea.right, fTop); | |
| 955 | |
| 956 break; | |
| 957 } | |
| 958 | |
| 959 m_pPosButton->Move(rcPosButton, TRUE, bRefresh); | |
| 960 } | |
| 961 } | |
| 962 | |
| 963 void CPWL_ScrollBar::OnMinButtonLBDown(const CFX_FloatPoint& point) { | |
| 964 m_sData.SubSmall(); | |
| 965 MovePosButton(TRUE); | |
| 966 NotifyScrollWindow(); | |
| 967 | |
| 968 m_bMinOrMax = TRUE; | |
| 969 | |
| 970 EndTimer(); | |
| 971 BeginTimer(100); | |
| 972 } | |
| 973 | |
| 974 void CPWL_ScrollBar::OnMinButtonLBUp(const CFX_FloatPoint& point) {} | |
| 975 | |
| 976 void CPWL_ScrollBar::OnMinButtonMouseMove(const CFX_FloatPoint& point) {} | |
| 977 | |
| 978 void CPWL_ScrollBar::OnMaxButtonLBDown(const CFX_FloatPoint& point) { | |
| 979 m_sData.AddSmall(); | |
| 980 MovePosButton(TRUE); | |
| 981 NotifyScrollWindow(); | |
| 982 | |
| 983 m_bMinOrMax = FALSE; | |
| 984 | |
| 985 EndTimer(); | |
| 986 BeginTimer(100); | |
| 987 } | |
| 988 | |
| 989 void CPWL_ScrollBar::OnMaxButtonLBUp(const CFX_FloatPoint& point) {} | |
| 990 | |
| 991 void CPWL_ScrollBar::OnMaxButtonMouseMove(const CFX_FloatPoint& point) {} | |
| 992 | |
| 993 void CPWL_ScrollBar::OnPosButtonLBDown(const CFX_FloatPoint& point) { | |
| 994 m_bMouseDown = TRUE; | |
| 995 | |
| 996 if (m_pPosButton) { | |
| 997 CFX_FloatRect rcPosButton = m_pPosButton->GetWindowRect(); | |
| 998 | |
| 999 switch (m_sbType) { | |
| 1000 case SBT_HSCROLL: | |
| 1001 m_nOldPos = point.x; | |
| 1002 m_fOldPosButton = rcPosButton.left; | |
| 1003 break; | |
| 1004 case SBT_VSCROLL: | |
| 1005 m_nOldPos = point.y; | |
| 1006 m_fOldPosButton = rcPosButton.top; | |
| 1007 break; | |
| 1008 } | |
| 1009 } | |
| 1010 } | |
| 1011 | |
| 1012 void CPWL_ScrollBar::OnPosButtonLBUp(const CFX_FloatPoint& point) { | |
| 1013 if (m_bMouseDown) { | |
| 1014 if (!m_bNotifyForever) | |
| 1015 NotifyScrollWindow(); | |
| 1016 } | |
| 1017 m_bMouseDown = FALSE; | |
| 1018 } | |
| 1019 | |
| 1020 void CPWL_ScrollBar::OnPosButtonMouseMove(const CFX_FloatPoint& point) { | |
| 1021 FX_FLOAT fOldScrollPos = m_sData.fScrollPos; | |
| 1022 | |
| 1023 FX_FLOAT fNewPos = 0; | |
| 1024 | |
| 1025 switch (m_sbType) { | |
| 1026 case SBT_HSCROLL: | |
| 1027 if (FXSYS_fabs(point.x - m_nOldPos) < 1) | |
| 1028 return; | |
| 1029 fNewPos = FaceToTrue(m_fOldPosButton + point.x - m_nOldPos); | |
| 1030 break; | |
| 1031 case SBT_VSCROLL: | |
| 1032 if (FXSYS_fabs(point.y - m_nOldPos) < 1) | |
| 1033 return; | |
| 1034 fNewPos = FaceToTrue(m_fOldPosButton + point.y - m_nOldPos); | |
| 1035 break; | |
| 1036 } | |
| 1037 | |
| 1038 if (m_bMouseDown) { | |
| 1039 switch (m_sbType) { | |
| 1040 case SBT_HSCROLL: | |
| 1041 | |
| 1042 if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) { | |
| 1043 fNewPos = m_sData.ScrollRange.fMin; | |
| 1044 } | |
| 1045 | |
| 1046 if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) { | |
| 1047 fNewPos = m_sData.ScrollRange.fMax; | |
| 1048 } | |
| 1049 | |
| 1050 m_sData.SetPos(fNewPos); | |
| 1051 | |
| 1052 break; | |
| 1053 case SBT_VSCROLL: | |
| 1054 | |
| 1055 if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) { | |
| 1056 fNewPos = m_sData.ScrollRange.fMin; | |
| 1057 } | |
| 1058 | |
| 1059 if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) { | |
| 1060 fNewPos = m_sData.ScrollRange.fMax; | |
| 1061 } | |
| 1062 | |
| 1063 m_sData.SetPos(fNewPos); | |
| 1064 | |
| 1065 break; | |
| 1066 } | |
| 1067 | |
| 1068 if (!IsFloatEqual(fOldScrollPos, m_sData.fScrollPos)) { | |
| 1069 MovePosButton(TRUE); | |
| 1070 | |
| 1071 if (m_bNotifyForever) | |
| 1072 NotifyScrollWindow(); | |
| 1073 } | |
| 1074 } | |
| 1075 } | |
| 1076 | |
| 1077 void CPWL_ScrollBar::NotifyScrollWindow() { | |
| 1078 if (CPWL_Wnd* pParent = GetParentWindow()) { | |
| 1079 FX_FLOAT fPos; | |
| 1080 switch (m_sbType) { | |
| 1081 case SBT_HSCROLL: | |
| 1082 fPos = m_OriginInfo.fContentMin + m_sData.fScrollPos; | |
| 1083 break; | |
| 1084 case SBT_VSCROLL: | |
| 1085 fPos = m_OriginInfo.fContentMax - m_sData.fScrollPos; | |
| 1086 break; | |
| 1087 } | |
| 1088 pParent->OnNotify(this, PNM_SCROLLWINDOW, (intptr_t)m_sbType, | |
| 1089 (intptr_t)&fPos); | |
| 1090 } | |
| 1091 } | |
| 1092 | |
| 1093 CFX_FloatRect CPWL_ScrollBar::GetScrollArea() const { | |
| 1094 CFX_FloatRect rcClient = GetClientRect(); | |
| 1095 CFX_FloatRect rcArea; | |
| 1096 | |
| 1097 if (!m_pMinButton || !m_pMaxButton) | |
| 1098 return rcClient; | |
| 1099 | |
| 1100 CFX_FloatRect rcMin = m_pMinButton->GetWindowRect(); | |
| 1101 CFX_FloatRect rcMax = m_pMaxButton->GetWindowRect(); | |
| 1102 | |
| 1103 FX_FLOAT fMinWidth = rcMin.right - rcMin.left; | |
| 1104 FX_FLOAT fMinHeight = rcMin.top - rcMin.bottom; | |
| 1105 FX_FLOAT fMaxWidth = rcMax.right - rcMax.left; | |
| 1106 FX_FLOAT fMaxHeight = rcMax.top - rcMax.bottom; | |
| 1107 | |
| 1108 switch (m_sbType) { | |
| 1109 case SBT_HSCROLL: | |
| 1110 if (rcClient.right - rcClient.left > fMinWidth + fMaxWidth + 2) { | |
| 1111 rcArea = CFX_FloatRect(rcClient.left + fMinWidth + 1, rcClient.bottom, | |
| 1112 rcClient.right - fMaxWidth - 1, rcClient.top); | |
| 1113 } else { | |
| 1114 rcArea = CFX_FloatRect(rcClient.left + fMinWidth + 1, rcClient.bottom, | |
| 1115 rcClient.left + fMinWidth + 1, rcClient.top); | |
| 1116 } | |
| 1117 break; | |
| 1118 case SBT_VSCROLL: | |
| 1119 if (rcClient.top - rcClient.bottom > fMinHeight + fMaxHeight + 2) { | |
| 1120 rcArea = CFX_FloatRect(rcClient.left, rcClient.bottom + fMinHeight + 1, | |
| 1121 rcClient.right, rcClient.top - fMaxHeight - 1); | |
| 1122 } else { | |
| 1123 rcArea = | |
| 1124 CFX_FloatRect(rcClient.left, rcClient.bottom + fMinHeight + 1, | |
| 1125 rcClient.right, rcClient.bottom + fMinHeight + 1); | |
| 1126 } | |
| 1127 break; | |
| 1128 } | |
| 1129 | |
| 1130 rcArea.Normalize(); | |
| 1131 | |
| 1132 return rcArea; | |
| 1133 } | |
| 1134 | |
| 1135 FX_FLOAT CPWL_ScrollBar::TrueToFace(FX_FLOAT fTrue) { | |
| 1136 CFX_FloatRect rcPosArea; | |
| 1137 rcPosArea = GetScrollArea(); | |
| 1138 | |
| 1139 FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth; | |
| 1140 fFactWidth = fFactWidth == 0 ? 1 : fFactWidth; | |
| 1141 | |
| 1142 FX_FLOAT fFace = 0; | |
| 1143 | |
| 1144 switch (m_sbType) { | |
| 1145 case SBT_HSCROLL: | |
| 1146 fFace = rcPosArea.left + | |
| 1147 fTrue * (rcPosArea.right - rcPosArea.left) / fFactWidth; | |
| 1148 break; | |
| 1149 case SBT_VSCROLL: | |
| 1150 fFace = rcPosArea.top - | |
| 1151 fTrue * (rcPosArea.top - rcPosArea.bottom) / fFactWidth; | |
| 1152 break; | |
| 1153 } | |
| 1154 | |
| 1155 return fFace; | |
| 1156 } | |
| 1157 | |
| 1158 FX_FLOAT CPWL_ScrollBar::FaceToTrue(FX_FLOAT fFace) { | |
| 1159 CFX_FloatRect rcPosArea; | |
| 1160 rcPosArea = GetScrollArea(); | |
| 1161 | |
| 1162 FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth; | |
| 1163 fFactWidth = fFactWidth == 0 ? 1 : fFactWidth; | |
| 1164 | |
| 1165 FX_FLOAT fTrue = 0; | |
| 1166 | |
| 1167 switch (m_sbType) { | |
| 1168 case SBT_HSCROLL: | |
| 1169 fTrue = (fFace - rcPosArea.left) * fFactWidth / | |
| 1170 (rcPosArea.right - rcPosArea.left); | |
| 1171 break; | |
| 1172 case SBT_VSCROLL: | |
| 1173 fTrue = (rcPosArea.top - fFace) * fFactWidth / | |
| 1174 (rcPosArea.top - rcPosArea.bottom); | |
| 1175 break; | |
| 1176 } | |
| 1177 | |
| 1178 return fTrue; | |
| 1179 } | |
| 1180 | |
| 1181 void CPWL_ScrollBar::CreateChildWnd(const PWL_CREATEPARAM& cp) { | |
| 1182 CreateButtons(cp); | |
| 1183 } | |
| 1184 | |
| 1185 void CPWL_ScrollBar::TimerProc() { | |
| 1186 PWL_SCROLL_PRIVATEDATA sTemp = m_sData; | |
| 1187 | |
| 1188 if (m_bMinOrMax) | |
| 1189 m_sData.SubSmall(); | |
| 1190 else | |
| 1191 m_sData.AddSmall(); | |
| 1192 | |
| 1193 if (FXSYS_memcmp(&m_sData, &sTemp, sizeof(PWL_SCROLL_PRIVATEDATA)) != 0) { | |
| 1194 MovePosButton(TRUE); | |
| 1195 NotifyScrollWindow(); | |
| 1196 } | |
| 1197 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1799773002:
Move fpdfsdk/src up to fpdfsdk/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master