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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/ifwl_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 IFWL_ScrollBar::IFWL_ScrollBar( | |
| 26 const CFWL_App* app, | |
| 27 std::unique_ptr<CFWL_WidgetProperties> properties, | |
| 28 IFWL_Widget* pOuter) | |
| 29 : IFWL_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 IFWL_ScrollBar::~IFWL_ScrollBar() {} | |
| 60 | |
| 61 FWL_Type IFWL_ScrollBar::GetClassID() const { | |
| 62 return FWL_Type::ScrollBar; | |
| 63 } | |
| 64 | |
| 65 void IFWL_ScrollBar::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) { | |
| 66 if (!bAutoSize) { | |
| 67 rect = m_pProperties->m_rtWidget; | |
| 68 return; | |
| 69 } | |
| 70 | |
| 71 rect.Set(0, 0, 0, 0); | |
| 72 FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>( | |
| 73 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); | |
| 74 if (!pfMinWidth) | |
| 75 return; | |
| 76 if (IsVertical()) | |
| 77 rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3); | |
| 78 else | |
| 79 rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth)); | |
| 80 IFWL_Widget::GetWidgetRect(rect, true); | |
| 81 } | |
| 82 | |
| 83 void IFWL_ScrollBar::Update() { | |
| 84 if (IsLocked()) | |
| 85 return; | |
| 86 if (!m_pProperties->m_pThemeProvider) | |
| 87 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 88 | |
| 89 Layout(); | |
| 90 } | |
| 91 | |
| 92 void IFWL_ScrollBar::DrawWidget(CFX_Graphics* pGraphics, | |
| 93 const CFX_Matrix* pMatrix) { | |
| 94 if (!pGraphics) | |
| 95 return; | |
| 96 if (!m_pProperties->m_pThemeProvider) | |
| 97 return; | |
| 98 | |
| 99 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 100 if (HasBorder()) | |
| 101 DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); | |
| 102 if (HasEdge()) | |
| 103 DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); | |
| 104 DrawTrack(pGraphics, pTheme, true, pMatrix); | |
| 105 DrawTrack(pGraphics, pTheme, false, pMatrix); | |
| 106 DrawArrowBtn(pGraphics, pTheme, true, pMatrix); | |
| 107 DrawArrowBtn(pGraphics, pTheme, false, pMatrix); | |
| 108 DrawThumb(pGraphics, pTheme, pMatrix); | |
| 109 } | |
| 110 | |
| 111 void IFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) { | |
| 112 m_fTrackPos = fTrackPos; | |
| 113 CalcThumbButtonRect(m_rtThumb); | |
| 114 CalcMinTrackRect(m_rtMinTrack); | |
| 115 CalcMaxTrackRect(m_rtMaxTrack); | |
| 116 } | |
| 117 | |
| 118 bool IFWL_ScrollBar::DoScroll(FWL_SCBCODE dwCode, FX_FLOAT fPos) { | |
| 119 if (dwCode == FWL_SCBCODE::None) | |
| 120 return false; | |
| 121 return OnScroll(dwCode, fPos); | |
| 122 } | |
| 123 | |
| 124 void IFWL_ScrollBar::DrawTrack(CFX_Graphics* pGraphics, | |
| 125 IFWL_ThemeProvider* pTheme, | |
| 126 bool bLower, | |
| 127 const CFX_Matrix* pMatrix) { | |
| 128 CFWL_ThemeBackground param; | |
| 129 param.m_pWidget = this; | |
| 130 param.m_iPart = bLower ? CFWL_Part::LowerTrack : CFWL_Part::UpperTrack; | |
| 131 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 132 ? CFWL_PartState_Disabled | |
| 133 : (bLower ? m_iMinTrackState : m_iMaxTrackState); | |
| 134 param.m_pGraphics = pGraphics; | |
| 135 param.m_matrix.Concat(*pMatrix); | |
| 136 param.m_rtPart = bLower ? m_rtMinTrack : m_rtMaxTrack; | |
| 137 pTheme->DrawBackground(¶m); | |
| 138 } | |
| 139 | |
| 140 void IFWL_ScrollBar::DrawArrowBtn(CFX_Graphics* pGraphics, | |
| 141 IFWL_ThemeProvider* pTheme, | |
| 142 bool bMinBtn, | |
| 143 const CFX_Matrix* pMatrix) { | |
| 144 CFWL_ThemeBackground param; | |
| 145 param.m_pWidget = this; | |
| 146 param.m_iPart = bMinBtn ? CFWL_Part::ForeArrow : CFWL_Part::BackArrow; | |
| 147 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 148 ? CFWL_PartState_Disabled | |
| 149 : (bMinBtn ? m_iMinButtonState : m_iMaxButtonState); | |
| 150 param.m_pGraphics = pGraphics; | |
| 151 param.m_matrix.Concat(*pMatrix); | |
| 152 param.m_rtPart = bMinBtn ? m_rtMinBtn : m_rtMaxBtn; | |
| 153 if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) | |
| 154 pTheme->DrawBackground(¶m); | |
| 155 } | |
| 156 | |
| 157 void IFWL_ScrollBar::DrawThumb(CFX_Graphics* pGraphics, | |
| 158 IFWL_ThemeProvider* pTheme, | |
| 159 const CFX_Matrix* pMatrix) { | |
| 160 CFWL_ThemeBackground param; | |
| 161 param.m_pWidget = this; | |
| 162 param.m_iPart = CFWL_Part::Thumb; | |
| 163 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 164 ? CFWL_PartState_Disabled | |
| 165 : m_iThumbButtonState; | |
| 166 param.m_pGraphics = pGraphics; | |
| 167 param.m_matrix.Concat(*pMatrix); | |
| 168 param.m_rtPart = m_rtThumb; | |
| 169 pTheme->DrawBackground(¶m); | |
| 170 } | |
| 171 | |
| 172 void IFWL_ScrollBar::Layout() { | |
| 173 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 174 CFWL_ThemePart part; | |
| 175 part.m_pWidget = this; | |
| 176 m_fMinThumb = *static_cast<FX_FLOAT*>( | |
| 177 pTheme->GetCapacity(&part, CFWL_WidgetCapacity::Size)); | |
| 178 GetClientRect(m_rtClient); | |
| 179 CalcButtonLen(); | |
| 180 CalcMinButtonRect(m_rtMinBtn); | |
| 181 CalcMaxButtonRect(m_rtMaxBtn); | |
| 182 CalcThumbButtonRect(m_rtThumb); | |
| 183 CalcMinTrackRect(m_rtMinTrack); | |
| 184 CalcMaxTrackRect(m_rtMaxTrack); | |
| 185 } | |
| 186 | |
| 187 void IFWL_ScrollBar::CalcButtonLen() { | |
| 188 m_fButtonLen = IsVertical() ? m_rtClient.width : m_rtClient.height; | |
| 189 FX_FLOAT fLength = IsVertical() ? m_rtClient.height : m_rtClient.width; | |
| 190 if (fLength < m_fButtonLen * 2) { | |
| 191 m_fButtonLen = fLength / 2; | |
| 192 m_bMinSize = true; | |
| 193 } else { | |
| 194 m_bMinSize = false; | |
| 195 } | |
| 196 } | |
| 197 | |
| 198 void IFWL_ScrollBar::CalcMinButtonRect(CFX_RectF& rect) { | |
| 199 rect.left = m_rtClient.left; | |
| 200 rect.top = m_rtClient.top; | |
| 201 rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen; | |
| 202 rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height; | |
| 203 } | |
| 204 | |
| 205 void IFWL_ScrollBar::CalcMaxButtonRect(CFX_RectF& rect) { | |
| 206 rect.left = | |
| 207 IsVertical() ? m_rtClient.left : m_rtClient.right() - m_fButtonLen; | |
| 208 rect.top = IsVertical() ? m_rtClient.bottom() - m_fButtonLen : m_rtClient.top; | |
| 209 rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen; | |
| 210 rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height; | |
| 211 } | |
| 212 | |
| 213 void IFWL_ScrollBar::CalcThumbButtonRect(CFX_RectF& rect) { | |
| 214 if (!IsEnabled()) { | |
| 215 m_rtThumb.Reset(); | |
| 216 return; | |
| 217 } | |
| 218 if (m_bMinSize) { | |
| 219 m_rtThumb.Empty(); | |
| 220 return; | |
| 221 } | |
| 222 | |
| 223 FX_FLOAT fRange = m_fRangeMax - m_fRangeMin; | |
| 224 memset(&rect, 0, sizeof(CFX_Rect)); | |
| 225 if (fRange < 0) { | |
| 226 if (IsVertical()) | |
| 227 rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0); | |
| 228 else | |
| 229 rect.Set(m_rtMaxBtn.right(), m_rtClient.top, 0, m_rtClient.height); | |
| 230 return; | |
| 231 } | |
| 232 | |
| 233 CFX_RectF rtClient = m_rtClient; | |
| 234 FX_FLOAT fLength = IsVertical() ? rtClient.height : rtClient.width; | |
| 235 FX_FLOAT fSize = m_fButtonLen; | |
| 236 fLength -= fSize * 2.0f; | |
| 237 if (fLength < fSize) | |
| 238 fLength = 0.0f; | |
| 239 | |
| 240 FX_FLOAT fThumbSize = fLength * fLength / (fRange + fLength); | |
| 241 fThumbSize = std::max(fThumbSize, m_fMinThumb); | |
| 242 | |
| 243 FX_FLOAT fDiff = std::max(fLength - fThumbSize, 0.0f); | |
| 244 FX_FLOAT fTrackPos = | |
| 245 std::max(std::min(m_fTrackPos, m_fRangeMax), m_fRangeMin); | |
| 246 if (!fRange) | |
| 247 return; | |
| 248 | |
| 249 FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange; | |
| 250 rect.left = rtClient.left; | |
| 251 if (!IsVertical()) | |
| 252 rect.left += iPos; | |
| 253 | |
| 254 rect.top = rtClient.top; | |
| 255 if (IsVertical()) | |
| 256 rect.top += iPos; | |
| 257 | |
| 258 rect.width = IsVertical() ? rtClient.width : fThumbSize; | |
| 259 rect.height = IsVertical() ? fThumbSize : rtClient.height; | |
| 260 } | |
| 261 | |
| 262 void IFWL_ScrollBar::CalcMinTrackRect(CFX_RectF& rect) { | |
| 263 if (m_bMinSize) { | |
| 264 rect.Empty(); | |
| 265 return; | |
| 266 } | |
| 267 | |
| 268 FX_FLOAT fBottom = m_rtThumb.bottom(); | |
| 269 FX_FLOAT fRight = m_rtThumb.right(); | |
| 270 FX_FLOAT ix = (m_rtThumb.left + fRight) / 2; | |
| 271 FX_FLOAT iy = (m_rtThumb.top + fBottom) / 2; | |
| 272 rect.left = m_rtClient.left; | |
| 273 rect.top = m_rtClient.top; | |
| 274 bool bVertical = IsVertical(); | |
| 275 rect.width = bVertical ? m_rtClient.width : ix; | |
| 276 rect.height = bVertical ? iy : m_rtClient.height; | |
| 277 } | |
| 278 | |
| 279 void IFWL_ScrollBar::CalcMaxTrackRect(CFX_RectF& rect) { | |
| 280 if (m_bMinSize) { | |
| 281 rect.Empty(); | |
| 282 return; | |
| 283 } | |
| 284 | |
| 285 FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2; | |
| 286 FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2; | |
| 287 bool bVertical = IsVertical(); | |
| 288 rect.left = bVertical ? m_rtClient.left : ix; | |
| 289 rect.top = bVertical ? iy : m_rtClient.top; | |
| 290 rect.width = bVertical ? m_rtClient.width : m_rtClient.right() - ix; | |
| 291 rect.height = bVertical ? m_rtClient.bottom() - iy : m_rtClient.height; | |
| 292 } | |
| 293 | |
| 294 FX_FLOAT IFWL_ScrollBar::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) { | |
| 295 FX_FLOAT fDiffX = fx - m_cpTrackPointX; | |
| 296 FX_FLOAT fDiffY = fy - m_cpTrackPointY; | |
| 297 FX_FLOAT fRange = m_fRangeMax - m_fRangeMin; | |
| 298 FX_FLOAT fPos; | |
| 299 | |
| 300 if (IsVertical()) { | |
| 301 fPos = fRange * fDiffY / | |
| 302 (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height); | |
| 303 } else { | |
| 304 fPos = fRange * fDiffX / | |
| 305 (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width); | |
| 306 } | |
| 307 | |
| 308 fPos += m_fLastTrackPos; | |
| 309 return std::min(std::max(fPos, m_fRangeMin), m_fRangeMax); | |
| 310 } | |
| 311 | |
| 312 void IFWL_ScrollBar::GetTrackRect(CFX_RectF& rect, bool bLower) { | |
| 313 bool bDisabled = !!(m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled); | |
| 314 if (bDisabled) { | |
| 315 rect = bLower ? m_rtMinTrack : m_rtMaxTrack; | |
| 316 return; | |
| 317 } | |
| 318 | |
| 319 FX_FLOAT fW = m_rtThumb.width / 2; | |
| 320 FX_FLOAT fH = m_rtThumb.height / 2; | |
| 321 bool bVert = IsVertical(); | |
| 322 if (bLower) { | |
| 323 if (bVert) { | |
| 324 FX_FLOAT fMinTrackHeight = m_rtMinTrack.height - fH - m_rtMinBtn.height; | |
| 325 fMinTrackHeight = (fMinTrackHeight >= 0.0f) ? fMinTrackHeight : 0.0f; | |
| 326 rect.Set(m_rtMinTrack.left, m_rtMinTrack.top + m_rtMinBtn.height, | |
| 327 m_rtMinTrack.width, fMinTrackHeight); | |
| 328 return; | |
| 329 } | |
| 330 | |
| 331 FX_FLOAT fMinTrackWidth = m_rtMinTrack.width - fW - m_rtMinBtn.width + 2; | |
| 332 fMinTrackWidth = (fMinTrackWidth >= 0.0f) ? fMinTrackWidth : 0.0f; | |
| 333 rect.Set(m_rtMinTrack.left + m_rtMinBtn.width - 1, m_rtMinTrack.top, | |
| 334 fMinTrackWidth, m_rtMinTrack.height); | |
| 335 return; | |
| 336 } | |
| 337 | |
| 338 if (bVert) { | |
| 339 FX_FLOAT fMaxTrackHeight = m_rtMaxTrack.height - fH - m_rtMaxBtn.height; | |
| 340 fMaxTrackHeight = (fMaxTrackHeight >= 0.0f) ? fMaxTrackHeight : 0.0f; | |
| 341 rect.Set(m_rtMaxTrack.left, m_rtMaxTrack.top + fH, m_rtMaxTrack.width, | |
| 342 fMaxTrackHeight); | |
| 343 return; | |
| 344 } | |
| 345 | |
| 346 FX_FLOAT fMaxTrackWidth = m_rtMaxTrack.width - fW - m_rtMaxBtn.width + 2; | |
| 347 fMaxTrackWidth = (fMaxTrackWidth >= 0.0f) ? fMaxTrackWidth : 0.0f; | |
| 348 rect.Set(m_rtMaxTrack.left + fW, m_rtMaxTrack.top, fMaxTrackWidth, | |
| 349 m_rtMaxTrack.height); | |
| 350 } | |
| 351 | |
| 352 bool IFWL_ScrollBar::SendEvent() { | |
| 353 if (m_iMinButtonState == CFWL_PartState_Pressed) { | |
| 354 DoScroll(FWL_SCBCODE::StepBackward, m_fTrackPos); | |
| 355 return false; | |
| 356 } | |
| 357 if (m_iMaxButtonState == CFWL_PartState_Pressed) { | |
| 358 DoScroll(FWL_SCBCODE::StepForward, m_fTrackPos); | |
| 359 return false; | |
| 360 } | |
| 361 if (m_iMinTrackState == CFWL_PartState_Pressed) { | |
| 362 DoScroll(FWL_SCBCODE::PageBackward, m_fTrackPos); | |
| 363 return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY); | |
| 364 } | |
| 365 if (m_iMaxTrackState == CFWL_PartState_Pressed) { | |
| 366 DoScroll(FWL_SCBCODE::PageForward, m_fTrackPos); | |
| 367 return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY); | |
| 368 } | |
| 369 if (m_iMouseWheel) { | |
| 370 FWL_SCBCODE dwCode = m_iMouseWheel < 0 ? FWL_SCBCODE::StepForward | |
| 371 : FWL_SCBCODE::StepBackward; | |
| 372 DoScroll(dwCode, m_fTrackPos); | |
| 373 } | |
| 374 return true; | |
| 375 } | |
| 376 | |
| 377 bool IFWL_ScrollBar::OnScroll(FWL_SCBCODE dwCode, FX_FLOAT fPos) { | |
| 378 bool bRet = true; | |
| 379 CFWL_EvtScroll ev; | |
| 380 ev.m_iScrollCode = dwCode; | |
| 381 ev.m_pSrcTarget = this; | |
| 382 ev.m_fPos = fPos; | |
| 383 ev.m_pRet = &bRet; | |
| 384 DispatchEvent(&ev); | |
| 385 return bRet; | |
| 386 } | |
| 387 | |
| 388 void IFWL_ScrollBar::OnProcessMessage(CFWL_Message* pMessage) { | |
| 389 if (!pMessage) | |
| 390 return; | |
| 391 | |
| 392 CFWL_MessageType dwMsgCode = pMessage->GetClassID(); | |
| 393 if (dwMsgCode == CFWL_MessageType::Mouse) { | |
| 394 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 395 switch (pMsg->m_dwCmd) { | |
| 396 case FWL_MouseCommand::LeftButtonDown: | |
| 397 OnLButtonDown(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); | |
| 398 break; | |
| 399 case FWL_MouseCommand::LeftButtonUp: | |
| 400 OnLButtonUp(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); | |
| 401 break; | |
| 402 case FWL_MouseCommand::Move: | |
| 403 OnMouseMove(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); | |
| 404 break; | |
| 405 case FWL_MouseCommand::Leave: | |
| 406 OnMouseLeave(); | |
| 407 break; | |
| 408 default: | |
| 409 break; | |
| 410 } | |
| 411 } else if (dwMsgCode == CFWL_MessageType::MouseWheel) { | |
| 412 CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage); | |
| 413 OnMouseWheel(pMsg->m_fx, pMsg->m_fy, pMsg->m_dwFlags, pMsg->m_fDeltaX, | |
| 414 pMsg->m_fDeltaY); | |
| 415 } | |
| 416 } | |
| 417 | |
| 418 void IFWL_ScrollBar::OnDrawWidget(CFX_Graphics* pGraphics, | |
| 419 const CFX_Matrix* pMatrix) { | |
| 420 DrawWidget(pGraphics, pMatrix); | |
| 421 } | |
| 422 | |
| 423 void IFWL_ScrollBar::OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) { | |
| 424 if (!IsEnabled()) | |
| 425 return; | |
| 426 | |
| 427 m_bMouseDown = true; | |
| 428 SetGrab(true); | |
| 429 m_cpTrackPointX = fx; | |
| 430 m_cpTrackPointY = fy; | |
| 431 m_fLastTrackPos = m_fTrackPos; | |
| 432 if (m_rtMinBtn.Contains(fx, fy)) | |
| 433 DoMouseDown(0, m_rtMinBtn, m_iMinButtonState, fx, fy); | |
| 434 else if (m_rtThumb.Contains(fx, fy)) | |
| 435 DoMouseDown(1, m_rtThumb, m_iThumbButtonState, fx, fy); | |
| 436 else if (m_rtMaxBtn.Contains(fx, fy)) | |
| 437 DoMouseDown(2, m_rtMaxBtn, m_iMaxButtonState, fx, fy); | |
| 438 else if (m_rtMinTrack.Contains(fx, fy)) | |
| 439 DoMouseDown(3, m_rtMinTrack, m_iMinTrackState, fx, fy); | |
| 440 else | |
| 441 DoMouseDown(4, m_rtMaxTrack, m_iMaxTrackState, fx, fy); | |
| 442 | |
| 443 if (!SendEvent()) | |
| 444 m_pTimerInfo = m_Timer.StartTimer(FWL_SCROLLBAR_Elapse, true); | |
| 445 } | |
| 446 | |
| 447 void IFWL_ScrollBar::OnLButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) { | |
| 448 m_pTimerInfo->StopTimer(); | |
| 449 m_bMouseDown = false; | |
| 450 DoMouseUp(0, m_rtMinBtn, m_iMinButtonState, fx, fy); | |
| 451 DoMouseUp(1, m_rtThumb, m_iThumbButtonState, fx, fy); | |
| 452 DoMouseUp(2, m_rtMaxBtn, m_iMaxButtonState, fx, fy); | |
| 453 DoMouseUp(3, m_rtMinTrack, m_iMinTrackState, fx, fy); | |
| 454 DoMouseUp(4, m_rtMaxTrack, m_iMaxTrackState, fx, fy); | |
| 455 SetGrab(false); | |
| 456 } | |
| 457 | |
| 458 void IFWL_ScrollBar::OnMouseMove(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy) { | |
| 459 DoMouseMove(0, m_rtMinBtn, m_iMinButtonState, fx, fy); | |
| 460 DoMouseMove(1, m_rtThumb, m_iThumbButtonState, fx, fy); | |
| 461 DoMouseMove(2, m_rtMaxBtn, m_iMaxButtonState, fx, fy); | |
| 462 DoMouseMove(3, m_rtMinTrack, m_iMinTrackState, fx, fy); | |
| 463 DoMouseMove(4, m_rtMaxTrack, m_iMaxTrackState, fx, fy); | |
| 464 } | |
| 465 | |
| 466 void IFWL_ScrollBar::OnMouseLeave() { | |
| 467 DoMouseLeave(0, m_rtMinBtn, m_iMinButtonState); | |
| 468 DoMouseLeave(1, m_rtThumb, m_iThumbButtonState); | |
| 469 DoMouseLeave(2, m_rtMaxBtn, m_iMaxButtonState); | |
| 470 DoMouseLeave(3, m_rtMinTrack, m_iMinTrackState); | |
| 471 DoMouseLeave(4, m_rtMaxTrack, m_iMaxTrackState); | |
| 472 } | |
| 473 | |
| 474 void IFWL_ScrollBar::OnMouseWheel(FX_FLOAT fx, | |
| 475 FX_FLOAT fy, | |
| 476 uint32_t dwFlags, | |
| 477 FX_FLOAT fDeltaX, | |
| 478 FX_FLOAT fDeltaY) { | |
| 479 m_iMouseWheel = (int32_t)fDeltaX; | |
| 480 SendEvent(); | |
| 481 m_iMouseWheel = 0; | |
| 482 } | |
| 483 | |
| 484 void IFWL_ScrollBar::DoMouseDown(int32_t iItem, | |
| 485 const CFX_RectF& rtItem, | |
| 486 int32_t& iState, | |
| 487 FX_FLOAT fx, | |
| 488 FX_FLOAT fy) { | |
| 489 if (!rtItem.Contains(fx, fy)) | |
| 490 return; | |
| 491 if (iState == CFWL_PartState_Pressed) | |
| 492 return; | |
| 493 | |
| 494 iState = CFWL_PartState_Pressed; | |
| 495 Repaint(&rtItem); | |
| 496 } | |
| 497 | |
| 498 void IFWL_ScrollBar::DoMouseUp(int32_t iItem, | |
| 499 const CFX_RectF& rtItem, | |
| 500 int32_t& iState, | |
| 501 FX_FLOAT fx, | |
| 502 FX_FLOAT fy) { | |
| 503 int32_t iNewState = | |
| 504 rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered : CFWL_PartState_Normal; | |
| 505 if (iState == iNewState) | |
| 506 return; | |
| 507 | |
| 508 iState = iNewState; | |
| 509 Repaint(&rtItem); | |
| 510 OnScroll(FWL_SCBCODE::EndScroll, m_fTrackPos); | |
| 511 } | |
| 512 | |
| 513 void IFWL_ScrollBar::DoMouseMove(int32_t iItem, | |
| 514 const CFX_RectF& rtItem, | |
| 515 int32_t& iState, | |
| 516 FX_FLOAT fx, | |
| 517 FX_FLOAT fy) { | |
| 518 if (!m_bMouseDown) { | |
| 519 int32_t iNewState = rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered | |
| 520 : CFWL_PartState_Normal; | |
| 521 if (iState == iNewState) | |
| 522 return; | |
| 523 | |
| 524 iState = iNewState; | |
| 525 Repaint(&rtItem); | |
| 526 } else if ((2 == iItem) && (m_iThumbButtonState == CFWL_PartState_Pressed)) { | |
| 527 FX_FLOAT fPos = GetTrackPointPos(fx, fy); | |
| 528 m_fTrackPos = fPos; | |
| 529 OnScroll(FWL_SCBCODE::TrackPos, fPos); | |
| 530 } | |
| 531 } | |
| 532 | |
| 533 void IFWL_ScrollBar::DoMouseLeave(int32_t iItem, | |
| 534 const CFX_RectF& rtItem, | |
| 535 int32_t& iState) { | |
| 536 if (iState == CFWL_PartState_Normal) | |
| 537 return; | |
| 538 | |
| 539 iState = CFWL_PartState_Normal; | |
| 540 Repaint(&rtItem); | |
| 541 } | |
| 542 | |
| 543 void IFWL_ScrollBar::DoMouseHover(int32_t iItem, | |
| 544 const CFX_RectF& rtItem, | |
| 545 int32_t& iState) { | |
| 546 if (iState == CFWL_PartState_Hovered) | |
| 547 return; | |
| 548 | |
| 549 iState = CFWL_PartState_Hovered; | |
| 550 Repaint(&rtItem); | |
| 551 } | |
| 552 | |
| 553 IFWL_ScrollBar::Timer::Timer(IFWL_ScrollBar* pToolTip) : CFWL_Timer(pToolTip) {} | |
| 554 | |
| 555 void IFWL_ScrollBar::Timer::Run(CFWL_TimerInfo* pTimerInfo) { | |
| 556 IFWL_ScrollBar* pButton = static_cast<IFWL_ScrollBar*>(m_pWidget); | |
| 557 | |
| 558 if (pButton->m_pTimerInfo) | |
| 559 pButton->m_pTimerInfo->StopTimer(); | |
| 560 | |
| 561 if (!pButton->SendEvent()) | |
| 562 pButton->m_pTimerInfo = StartTimer(0, true); | |
| 563 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2525083002:
Rename IFWL classes which do not have CFWL equivalents (Closed)
