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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 "xfa/fwl/core/cfwl_scrollbar.h" | |
| 8 | |
| 9 #include <algorithm> | |
| 10 #include <memory> | |
| 11 #include <utility> | |
| 12 | |
| 13 #include "third_party/base/ptr_util.h" | |
| 14 #include "xfa/fwl/core/cfwl_msgmouse.h" | |
| 15 #include "xfa/fwl/core/cfwl_msgmousewheel.h" | |
| 16 #include "xfa/fwl/core/cfwl_notedriver.h" | |
| 17 #include "xfa/fwl/core/cfwl_themebackground.h" | |
| 18 #include "xfa/fwl/core/cfwl_themepart.h" | |
| 19 #include "xfa/fwl/core/cfwl_timerinfo.h" | |
| 20 #include "xfa/fwl/core/ifwl_themeprovider.h" | |
| 21 | |
| 22 #define FWL_SCROLLBAR_Elapse 500 | |
| 23 #define FWL_SCROLLBAR_MinThumb 5 | |
| 24 | |
| 25 CFWL_ScrollBar::CFWL_ScrollBar( | |
| 26 const CFWL_App* app, | |
| 27 std::unique_ptr<CFWL_WidgetProperties> properties, | |
| 28 CFWL_Widget* pOuter) | |
| 29 : CFWL_Widget(app, std::move(properties), pOuter), | |
| 30 m_pTimerInfo(nullptr), | |
| 31 m_fRangeMin(0), | |
| 32 m_fRangeMax(-1), | |
| 33 m_fPageSize(0), | |
| 34 m_fStepSize(0), | |
| 35 m_fPos(0), | |
| 36 m_fTrackPos(0), | |
| 37 m_iMinButtonState(CFWL_PartState_Normal), | |
| 38 m_iMaxButtonState(CFWL_PartState_Normal), | |
| 39 m_iThumbButtonState(CFWL_PartState_Normal), | |
| 40 m_iMinTrackState(CFWL_PartState_Normal), | |
| 41 m_iMaxTrackState(CFWL_PartState_Normal), | |
| 42 m_fLastTrackPos(0), | |
| 43 m_cpTrackPointX(0), | |
| 44 m_cpTrackPointY(0), | |
| 45 m_iMouseWheel(0), | |
| 46 m_bMouseDown(false), | |
| 47 m_fButtonLen(0), | |
| 48 m_bMinSize(false), | |
| 49 m_fMinThumb(FWL_SCROLLBAR_MinThumb), | |
| 50 m_Timer(this) { | |
| 51 m_rtClient.Reset(); | |
| 52 m_rtThumb.Reset(); | |
| 53 m_rtMinBtn.Reset(); | |
| 54 m_rtMaxBtn.Reset(); | |
| 55 m_rtMinTrack.Reset(); | |
| 56 m_rtMaxTrack.Reset(); | |
| 57 } | |
| 58 | |
| 59 CFWL_ScrollBar::~CFWL_ScrollBar() {} | |
| 60 | |
| 61 FWL_Type CFWL_ScrollBar::GetClassID() const { | |
| 62 return FWL_Type::ScrollBar; | |
| 63 } | |
| 64 | |
| 65 void CFWL_ScrollBar::Update() { | |
| 66 if (IsLocked()) | |
| 67 return; | |
| 68 if (!m_pProperties->m_pThemeProvider) | |
| 69 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 70 | |
| 71 Layout(); | |
| 72 } | |
| 73 | |
| 74 void CFWL_ScrollBar::DrawWidget(CFX_Graphics* pGraphics, | |
| 75 const CFX_Matrix* pMatrix) { | |
| 76 if (!pGraphics) | |
| 77 return; | |
| 78 if (!m_pProperties->m_pThemeProvider) | |
| 79 return; | |
| 80 | |
| 81 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 82 if (HasBorder()) | |
| 83 DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); | |
| 84 if (HasEdge()) | |
| 85 DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); | |
| 86 DrawTrack(pGraphics, pTheme, true, pMatrix); | |
| 87 DrawTrack(pGraphics, pTheme, false, pMatrix); | |
| 88 DrawArrowBtn(pGraphics, pTheme, true, pMatrix); | |
| 89 DrawArrowBtn(pGraphics, pTheme, false, pMatrix); | |
| 90 DrawThumb(pGraphics, pTheme, pMatrix); | |
| 91 } | |
| 92 | |
| 93 void CFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) { | |
| 94 m_fTrackPos = fTrackPos; | |
| 95 CalcThumbButtonRect(m_rtThumb); | |
| 96 CalcMinTrackRect(m_rtMinTrack); | |
| 97 CalcMaxTrackRect(m_rtMaxTrack); | |
| 98 } | |
| 99 | |
| 100 bool CFWL_ScrollBar::DoScroll(CFWL_EvtScroll::Code dwCode, FX_FLOAT fPos) { | |
| 101 if (dwCode == CFWL_EvtScroll::Code::None) | |
| 102 return false; | |
| 103 return OnScroll(dwCode, fPos); | |
| 104 } | |
| 105 | |
| 106 void CFWL_ScrollBar::DrawTrack(CFX_Graphics* pGraphics, | |
| 107 IFWL_ThemeProvider* pTheme, | |
| 108 bool bLower, | |
| 109 const CFX_Matrix* pMatrix) { | |
| 110 CFWL_ThemeBackground param; | |
| 111 param.m_pWidget = this; | |
| 112 param.m_iPart = bLower ? CFWL_Part::LowerTrack : CFWL_Part::UpperTrack; | |
| 113 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 114 ? CFWL_PartState_Disabled | |
| 115 : (bLower ? m_iMinTrackState : m_iMaxTrackState); | |
| 116 param.m_pGraphics = pGraphics; | |
| 117 param.m_matrix.Concat(*pMatrix); | |
| 118 param.m_rtPart = bLower ? m_rtMinTrack : m_rtMaxTrack; | |
| 119 pTheme->DrawBackground(¶m); | |
| 120 } | |
| 121 | |
| 122 void CFWL_ScrollBar::DrawArrowBtn(CFX_Graphics* pGraphics, | |
| 123 IFWL_ThemeProvider* pTheme, | |
| 124 bool bMinBtn, | |
| 125 const CFX_Matrix* pMatrix) { | |
| 126 CFWL_ThemeBackground param; | |
| 127 param.m_pWidget = this; | |
| 128 param.m_iPart = bMinBtn ? CFWL_Part::ForeArrow : CFWL_Part::BackArrow; | |
| 129 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 130 ? CFWL_PartState_Disabled | |
| 131 : (bMinBtn ? m_iMinButtonState : m_iMaxButtonState); | |
| 132 param.m_pGraphics = pGraphics; | |
| 133 param.m_matrix.Concat(*pMatrix); | |
| 134 param.m_rtPart = bMinBtn ? m_rtMinBtn : m_rtMaxBtn; | |
| 135 if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) | |
| 136 pTheme->DrawBackground(¶m); | |
| 137 } | |
| 138 | |
| 139 void CFWL_ScrollBar::DrawThumb(CFX_Graphics* pGraphics, | |
| 140 IFWL_ThemeProvider* pTheme, | |
| 141 const CFX_Matrix* pMatrix) { | |
| 142 CFWL_ThemeBackground param; | |
| 143 param.m_pWidget = this; | |
| 144 param.m_iPart = CFWL_Part::Thumb; | |
| 145 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 146 ? CFWL_PartState_Disabled | |
| 147 : m_iThumbButtonState; | |
| 148 param.m_pGraphics = pGraphics; | |
| 149 param.m_matrix.Concat(*pMatrix); | |
| 150 param.m_rtPart = m_rtThumb; | |
| 151 pTheme->DrawBackground(¶m); | |
| 152 } | |
| 153 | |
| 154 void CFWL_ScrollBar::Layout() { | |
| 155 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 156 CFWL_ThemePart part; | |
| 157 part.m_pWidget = this; | |
| 158 m_fMinThumb = *static_cast<FX_FLOAT*>( | |
| 159 pTheme->GetCapacity(&part, CFWL_WidgetCapacity::Size)); | |
| 160 GetClientRect(m_rtClient); | |
| 161 CalcButtonLen(); | |
| 162 CalcMinButtonRect(m_rtMinBtn); | |
| 163 CalcMaxButtonRect(m_rtMaxBtn); | |
| 164 CalcThumbButtonRect(m_rtThumb); | |
| 165 CalcMinTrackRect(m_rtMinTrack); | |
| 166 CalcMaxTrackRect(m_rtMaxTrack); | |
| 167 } | |
| 168 | |
| 169 void CFWL_ScrollBar::CalcButtonLen() { | |
| 170 m_fButtonLen = IsVertical() ? m_rtClient.width : m_rtClient.height; | |
| 171 FX_FLOAT fLength = IsVertical() ? m_rtClient.height : m_rtClient.width; | |
| 172 if (fLength < m_fButtonLen * 2) { | |
| 173 m_fButtonLen = fLength / 2; | |
| 174 m_bMinSize = true; | |
| 175 } else { | |
| 176 m_bMinSize = false; | |
| 177 } | |
| 178 } | |
| 179 | |
| 180 void CFWL_ScrollBar::CalcMinButtonRect(CFX_RectF& rect) { | |
| 181 rect.left = m_rtClient.left; | |
| 182 rect.top = m_rtClient.top; | |
| 183 rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen; | |
| 184 rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height; | |
| 185 } | |
| 186 | |
| 187 void CFWL_ScrollBar::CalcMaxButtonRect(CFX_RectF& rect) { | |
| 188 rect.left = | |
| 189 IsVertical() ? m_rtClient.left : m_rtClient.right() - m_fButtonLen; | |
| 190 rect.top = IsVertical() ? m_rtClient.bottom() - m_fButtonLen : m_rtClient.top; | |
| 191 rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen; | |
| 192 rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height; | |
| 193 } | |
| 194 | |
| 195 void CFWL_ScrollBar::CalcThumbButtonRect(CFX_RectF& rect) { | |
| 196 if (!IsEnabled()) { | |
| 197 m_rtThumb.Reset(); | |
| 198 return; | |
| 199 } | |
| 200 if (m_bMinSize) { | |
| 201 m_rtThumb.Empty(); | |
| 202 return; | |
| 203 } | |
| 204 | |
| 205 FX_FLOAT fRange = m_fRangeMax - m_fRangeMin; | |
| 206 memset(&rect, 0, sizeof(CFX_Rect)); | |
| 207 if (fRange < 0) { | |
| 208 if (IsVertical()) | |
| 209 rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0); | |
| 210 else | |
| 211 rect.Set(m_rtMaxBtn.right(), m_rtClient.top, 0, m_rtClient.height); | |
| 212 return; | |
| 213 } | |
| 214 | |
| 215 CFX_RectF rtClient = m_rtClient; | |
| 216 FX_FLOAT fLength = IsVertical() ? rtClient.height : rtClient.width; | |
| 217 FX_FLOAT fSize = m_fButtonLen; | |
| 218 fLength -= fSize * 2.0f; | |
| 219 if (fLength < fSize) | |
| 220 fLength = 0.0f; | |
| 221 | |
| 222 FX_FLOAT fThumbSize = fLength * fLength / (fRange + fLength); | |
| 223 fThumbSize = std::max(fThumbSize, m_fMinThumb); | |
| 224 | |
| 225 FX_FLOAT fDiff = std::max(fLength - fThumbSize, 0.0f); | |
| 226 FX_FLOAT fTrackPos = | |
| 227 std::max(std::min(m_fTrackPos, m_fRangeMax), m_fRangeMin); | |
| 228 if (!fRange) | |
| 229 return; | |
| 230 | |
| 231 FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange; | |
| 232 rect.left = rtClient.left; | |
| 233 if (!IsVertical()) | |
| 234 rect.left += iPos; | |
| 235 | |
| 236 rect.top = rtClient.top; | |
| 237 if (IsVertical()) | |
| 238 rect.top += iPos; | |
| 239 | |
| 240 rect.width = IsVertical() ? rtClient.width : fThumbSize; | |
| 241 rect.height = IsVertical() ? fThumbSize : rtClient.height; | |
| 242 } | |
| 243 | |
| 244 void CFWL_ScrollBar::CalcMinTrackRect(CFX_RectF& rect) { | |
| 245 if (m_bMinSize) { | |
| 246 rect.Empty(); | |
| 247 return; | |
| 248 } | |
| 249 | |
| 250 FX_FLOAT fBottom = m_rtThumb.bottom(); | |
| 251 FX_FLOAT fRight = m_rtThumb.right(); | |
| 252 FX_FLOAT ix = (m_rtThumb.left + fRight) / 2; | |
| 253 FX_FLOAT iy = (m_rtThumb.top + fBottom) / 2; | |
| 254 rect.left = m_rtClient.left; | |
| 255 rect.top = m_rtClient.top; | |
| 256 bool bVertical = IsVertical(); | |
| 257 rect.width = bVertical ? m_rtClient.width : ix; | |
| 258 rect.height = bVertical ? iy : m_rtClient.height; | |
| 259 } | |
| 260 | |
| 261 void CFWL_ScrollBar::CalcMaxTrackRect(CFX_RectF& rect) { | |
| 262 if (m_bMinSize) { | |
| 263 rect.Empty(); | |
| 264 return; | |
| 265 } | |
| 266 | |
| 267 FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2; | |
| 268 FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2; | |
| 269 bool bVertical = IsVertical(); | |
| 270 rect.left = bVertical ? m_rtClient.left : ix; | |
| 271 rect.top = bVertical ? iy : m_rtClient.top; | |
| 272 rect.width = bVertical ? m_rtClient.width : m_rtClient.right() - ix; | |
| 273 rect.height = bVertical ? m_rtClient.bottom() - iy : m_rtClient.height; | |
| 274 } | |
| 275 | |
| 276 FX_FLOAT CFWL_ScrollBar::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) { | |
| 277 FX_FLOAT fDiffX = fx - m_cpTrackPointX; | |
| 278 FX_FLOAT fDiffY = fy - m_cpTrackPointY; | |
| 279 FX_FLOAT fRange = m_fRangeMax - m_fRangeMin; | |
| 280 FX_FLOAT fPos; | |
| 281 | |
| 282 if (IsVertical()) { | |
| 283 fPos = fRange * fDiffY / | |
| 284 (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height); | |
| 285 } else { | |
| 286 fPos = fRange * fDiffX / | |
| 287 (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width); | |
| 288 } | |
| 289 | |
| 290 fPos += m_fLastTrackPos; | |
| 291 return std::min(std::max(fPos, m_fRangeMin), m_fRangeMax); | |
| 292 } | |
| 293 | |
| 294 bool CFWL_ScrollBar::SendEvent() { | |
| 295 if (m_iMinButtonState == CFWL_PartState_Pressed) { | |
| 296 DoScroll(CFWL_EvtScroll::Code::StepBackward, m_fTrackPos); | |
| 297 return false; | |
| 298 } | |
| 299 if (m_iMaxButtonState == CFWL_PartState_Pressed) { | |
| 300 DoScroll(CFWL_EvtScroll::Code::StepForward, m_fTrackPos); | |
| 301 return false; | |
| 302 } | |
| 303 if (m_iMinTrackState == CFWL_PartState_Pressed) { | |
| 304 DoScroll(CFWL_EvtScroll::Code::PageBackward, m_fTrackPos); | |
| 305 return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY); | |
| 306 } | |
| 307 if (m_iMaxTrackState == CFWL_PartState_Pressed) { | |
| 308 DoScroll(CFWL_EvtScroll::Code::PageForward, m_fTrackPos); | |
| 309 return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY); | |
| 310 } | |
| 311 if (m_iMouseWheel) { | |
| 312 CFWL_EvtScroll::Code dwCode = m_iMouseWheel < 0 | |
| 313 ? CFWL_EvtScroll::Code::StepForward | |
| 314 : CFWL_EvtScroll::Code::StepBackward; | |
| 315 DoScroll(dwCode, m_fTrackPos); | |
| 316 } | |
| 317 return true; | |
| 318 } | |
| 319 | |
| 320 bool CFWL_ScrollBar::OnScroll(CFWL_EvtScroll::Code dwCode, FX_FLOAT fPos) { | |
| 321 CFWL_EvtScroll ev(this); | |
| 322 ev.m_iScrollCode = dwCode; | |
| 323 ev.m_fPos = fPos; | |
| 324 DispatchEvent(&ev); | |
| 325 return true; | |
| 326 } | |
| 327 | |
| 328 void CFWL_ScrollBar::OnProcessMessage(CFWL_Message* pMessage) { | |
| 329 if (!pMessage) | |
| 330 return; | |
| 331 | |
| 332 CFWL_Message::Type type = pMessage->GetType(); | |
| 333 if (type == CFWL_Message::Type::Mouse) { | |
| 334 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 335 switch (pMsg->m_dwCmd) { | |
| 336 case FWL_MouseCommand::LeftButtonDown: | |
| 337 OnLButtonDown(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); | |
| 338 break; | |
| 339 case FWL_MouseCommand::LeftButtonUp: | |
| 340 OnLButtonUp(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); | |
| 341 break; | |
| 342 case FWL_MouseCommand::Move: | |
| 343 OnMouseMove(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); | |
| 344 break; | |
| 345 case FWL_MouseCommand::Leave: | |
| 346 OnMouseLeave(); | |
| 347 break; | |
| 348 default: | |
| 349 break; | |
| 350 } | |
| 351 } else if (type == CFWL_Message::Type::MouseWheel) { | |
| 352 CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage); | |
| 353 OnMouseWheel(pMsg->m_fx, pMsg->m_fy, pMsg->m_dwFlags, pMsg->m_fDeltaX, | |
| 354 pMsg->m_fDeltaY); | |
| 355 } | |
| 356 } | |
| 357 | |
| 358 void CFWL_ScrollBar::OnDrawWidget(CFX_Graphics* pGraphics, | |
| 359 const CFX_Matrix* pMatrix) { | |
| 360 DrawWidget(pGraphics, pMatrix); | |
| 361 } | |
| 362 | |
| 363 void CFWL_ScrollBar::OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) { | |
| 364 if (!IsEnabled()) | |
| 365 return; | |
| 366 | |
| 367 m_bMouseDown = true; | |
| 368 SetGrab(true); | |
| 369 m_cpTrackPointX = fx; | |
| 370 m_cpTrackPointY = fy; | |
| 371 m_fLastTrackPos = m_fTrackPos; | |
| 372 if (m_rtMinBtn.Contains(fx, fy)) | |
| 373 DoMouseDown(0, m_rtMinBtn, m_iMinButtonState, fx, fy); | |
| 374 else if (m_rtThumb.Contains(fx, fy)) | |
| 375 DoMouseDown(1, m_rtThumb, m_iThumbButtonState, fx, fy); | |
| 376 else if (m_rtMaxBtn.Contains(fx, fy)) | |
| 377 DoMouseDown(2, m_rtMaxBtn, m_iMaxButtonState, fx, fy); | |
| 378 else if (m_rtMinTrack.Contains(fx, fy)) | |
| 379 DoMouseDown(3, m_rtMinTrack, m_iMinTrackState, fx, fy); | |
| 380 else | |
| 381 DoMouseDown(4, m_rtMaxTrack, m_iMaxTrackState, fx, fy); | |
| 382 | |
| 383 if (!SendEvent()) | |
| 384 m_pTimerInfo = m_Timer.StartTimer(FWL_SCROLLBAR_Elapse, true); | |
| 385 } | |
| 386 | |
| 387 void CFWL_ScrollBar::OnLButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) { | |
| 388 m_pTimerInfo->StopTimer(); | |
| 389 m_bMouseDown = false; | |
| 390 DoMouseUp(0, m_rtMinBtn, m_iMinButtonState, fx, fy); | |
| 391 DoMouseUp(1, m_rtThumb, m_iThumbButtonState, fx, fy); | |
| 392 DoMouseUp(2, m_rtMaxBtn, m_iMaxButtonState, fx, fy); | |
| 393 DoMouseUp(3, m_rtMinTrack, m_iMinTrackState, fx, fy); | |
| 394 DoMouseUp(4, m_rtMaxTrack, m_iMaxTrackState, fx, fy); | |
| 395 SetGrab(false); | |
| 396 } | |
| 397 | |
| 398 void CFWL_ScrollBar::OnMouseMove(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) { | |
| 399 DoMouseMove(0, m_rtMinBtn, m_iMinButtonState, fx, fy); | |
| 400 DoMouseMove(1, m_rtThumb, m_iThumbButtonState, fx, fy); | |
| 401 DoMouseMove(2, m_rtMaxBtn, m_iMaxButtonState, fx, fy); | |
| 402 DoMouseMove(3, m_rtMinTrack, m_iMinTrackState, fx, fy); | |
| 403 DoMouseMove(4, m_rtMaxTrack, m_iMaxTrackState, fx, fy); | |
| 404 } | |
| 405 | |
| 406 void CFWL_ScrollBar::OnMouseLeave() { | |
| 407 DoMouseLeave(0, m_rtMinBtn, m_iMinButtonState); | |
| 408 DoMouseLeave(1, m_rtThumb, m_iThumbButtonState); | |
| 409 DoMouseLeave(2, m_rtMaxBtn, m_iMaxButtonState); | |
| 410 DoMouseLeave(3, m_rtMinTrack, m_iMinTrackState); | |
| 411 DoMouseLeave(4, m_rtMaxTrack, m_iMaxTrackState); | |
| 412 } | |
| 413 | |
| 414 void CFWL_ScrollBar::OnMouseWheel(FX_FLOAT fx, | |
| 415 FX_FLOAT fy, | |
| 416 uint32_t dwFlags, | |
| 417 FX_FLOAT fDeltaX, | |
| 418 FX_FLOAT fDeltaY) { | |
| 419 m_iMouseWheel = (int32_t)fDeltaX; | |
| 420 SendEvent(); | |
| 421 m_iMouseWheel = 0; | |
| 422 } | |
| 423 | |
| 424 void CFWL_ScrollBar::DoMouseDown(int32_t iItem, | |
| 425 const CFX_RectF& rtItem, | |
| 426 int32_t& iState, | |
| 427 FX_FLOAT fx, | |
| 428 FX_FLOAT fy) { | |
| 429 if (!rtItem.Contains(fx, fy)) | |
| 430 return; | |
| 431 if (iState == CFWL_PartState_Pressed) | |
| 432 return; | |
| 433 | |
| 434 iState = CFWL_PartState_Pressed; | |
| 435 Repaint(&rtItem); | |
| 436 } | |
| 437 | |
| 438 void CFWL_ScrollBar::DoMouseUp(int32_t iItem, | |
| 439 const CFX_RectF& rtItem, | |
| 440 int32_t& iState, | |
| 441 FX_FLOAT fx, | |
| 442 FX_FLOAT fy) { | |
| 443 int32_t iNewState = | |
| 444 rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered : CFWL_PartState_Normal; | |
| 445 if (iState == iNewState) | |
| 446 return; | |
| 447 | |
| 448 iState = iNewState; | |
| 449 Repaint(&rtItem); | |
| 450 OnScroll(CFWL_EvtScroll::Code::EndScroll, m_fTrackPos); | |
| 451 } | |
| 452 | |
| 453 void CFWL_ScrollBar::DoMouseMove(int32_t iItem, | |
| 454 const CFX_RectF& rtItem, | |
| 455 int32_t& iState, | |
| 456 FX_FLOAT fx, | |
| 457 FX_FLOAT fy) { | |
| 458 if (!m_bMouseDown) { | |
| 459 int32_t iNewState = rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered | |
| 460 : CFWL_PartState_Normal; | |
| 461 if (iState == iNewState) | |
| 462 return; | |
| 463 | |
| 464 iState = iNewState; | |
| 465 Repaint(&rtItem); | |
| 466 } else if ((2 == iItem) && (m_iThumbButtonState == CFWL_PartState_Pressed)) { | |
| 467 FX_FLOAT fPos = GetTrackPointPos(fx, fy); | |
| 468 m_fTrackPos = fPos; | |
| 469 OnScroll(CFWL_EvtScroll::Code::TrackPos, fPos); | |
| 470 } | |
| 471 } | |
| 472 | |
| 473 void CFWL_ScrollBar::DoMouseLeave(int32_t iItem, | |
| 474 const CFX_RectF& rtItem, | |
| 475 int32_t& iState) { | |
| 476 if (iState == CFWL_PartState_Normal) | |
| 477 return; | |
| 478 | |
| 479 iState = CFWL_PartState_Normal; | |
| 480 Repaint(&rtItem); | |
| 481 } | |
| 482 | |
| 483 void CFWL_ScrollBar::DoMouseHover(int32_t iItem, | |
| 484 const CFX_RectF& rtItem, | |
| 485 int32_t& iState) { | |
| 486 if (iState == CFWL_PartState_Hovered) | |
| 487 return; | |
| 488 | |
| 489 iState = CFWL_PartState_Hovered; | |
| 490 Repaint(&rtItem); | |
| 491 } | |
| 492 | |
| 493 CFWL_ScrollBar::Timer::Timer(CFWL_ScrollBar* pToolTip) : CFWL_Timer(pToolTip) {} | |
| 494 | |
| 495 void CFWL_ScrollBar::Timer::Run(CFWL_TimerInfo* pTimerInfo) { | |
| 496 CFWL_ScrollBar* pButton = static_cast<CFWL_ScrollBar*>(m_pWidget); | |
| 497 | |
| 498 if (pButton->m_pTimerInfo) | |
| 499 pButton->m_pTimerInfo->StopTimer(); | |
| 500 | |
| 501 if (!pButton->SendEvent()) | |
| 502 pButton->m_pTimerInfo = StartTimer(0, true); | |
| 503 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2559173002:
Move xfa/fwl/core to xfa/fwl. (Closed)
