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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/src/fwl/basewidget/fwl_listboximp.h" | |
| 8 | |
| 9 #include "xfa/include/fwl/core/fwl_theme.h" | |
| 10 #include "xfa/src/fde/tto/fde_textout.h" | |
| 11 #include "xfa/src/fwl/basewidget/fwl_comboboximp.h" | |
| 12 #include "xfa/src/fwl/basewidget/fwl_scrollbarimp.h" | |
| 13 #include "xfa/src/fwl/core/fwl_noteimp.h" | |
| 14 #include "xfa/src/fwl/core/fwl_targetimp.h" | |
| 15 #include "xfa/src/fwl/core/fwl_widgetimp.h" | |
| 16 | |
| 17 #define FWL_LISTBOX_ItemTextMargin 2 | |
| 18 | |
| 19 // static | |
| 20 IFWL_ListBox* IFWL_ListBox::Create(const CFWL_WidgetImpProperties& properties, | |
| 21 IFWL_Widget* pOuter) { | |
| 22 IFWL_ListBox* pListBox = new IFWL_ListBox; | |
| 23 CFWL_ListBoxImp* pListBoxImpl = new CFWL_ListBoxImp(properties, pOuter); | |
| 24 pListBox->SetImpl(pListBoxImpl); | |
| 25 pListBoxImpl->SetInterface(pListBox); | |
| 26 return pListBox; | |
| 27 } | |
| 28 // static | |
| 29 IFWL_ListBox* IFWL_ListBox::CreateComboList( | |
| 30 const CFWL_WidgetImpProperties& properties, | |
| 31 IFWL_Widget* pOuter) { | |
| 32 IFWL_ListBox* pListBox = new IFWL_ListBox; | |
| 33 CFWL_ListBoxImp* pComboListImpl = new CFWL_ComboListImp(properties, pOuter); | |
| 34 pListBox->SetImpl(pComboListImpl); | |
| 35 pComboListImpl->SetInterface(pListBox); | |
| 36 return pListBox; | |
| 37 } | |
| 38 IFWL_ListBox::IFWL_ListBox() {} | |
| 39 int32_t IFWL_ListBox::CountSelItems() { | |
| 40 return static_cast<CFWL_ListBoxImp*>(GetImpl())->CountSelItems(); | |
| 41 } | |
| 42 FWL_HLISTITEM IFWL_ListBox::GetSelItem(int32_t nIndexSel) { | |
| 43 return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelItem(nIndexSel); | |
| 44 } | |
| 45 int32_t IFWL_ListBox::GetSelIndex(int32_t nIndex) { | |
| 46 return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelIndex(nIndex); | |
| 47 } | |
| 48 FWL_ERR IFWL_ListBox::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) { | |
| 49 return static_cast<CFWL_ListBoxImp*>(GetImpl())->SetSelItem(hItem, bSelect); | |
| 50 } | |
| 51 FWL_ERR IFWL_ListBox::GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText) { | |
| 52 return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetItemText(hItem, wsText); | |
| 53 } | |
| 54 FWL_ERR IFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { | |
| 55 return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetScrollPos(fPos, bVert); | |
| 56 } | |
| 57 FWL_ERR* IFWL_ListBox::Sort(IFWL_ListBoxCompare* pCom) { | |
| 58 return static_cast<CFWL_ListBoxImp*>(GetImpl())->Sort(pCom); | |
| 59 } | |
| 60 | |
| 61 CFWL_ListBoxImp::CFWL_ListBoxImp(const CFWL_WidgetImpProperties& properties, | |
| 62 IFWL_Widget* pOuter) | |
| 63 : CFWL_WidgetImp(properties, pOuter), | |
| 64 m_dwTTOStyles(0), | |
| 65 m_iTTOAligns(0), | |
| 66 m_hAnchor(NULL), | |
| 67 m_fScorllBarWidth(0), | |
| 68 m_bLButtonDown(FALSE), | |
| 69 m_pScrollBarTP(NULL) { | |
| 70 m_rtClient.Reset(); | |
| 71 m_rtConent.Reset(); | |
| 72 m_rtStatic.Reset(); | |
| 73 } | |
| 74 CFWL_ListBoxImp::~CFWL_ListBoxImp() {} | |
| 75 FWL_ERR CFWL_ListBoxImp::GetClassName(CFX_WideString& wsClass) const { | |
| 76 wsClass = FWL_CLASS_ListBox; | |
| 77 return FWL_ERR_Succeeded; | |
| 78 } | |
| 79 FX_DWORD CFWL_ListBoxImp::GetClassID() const { | |
| 80 return FWL_CLASSHASH_ListBox; | |
| 81 } | |
| 82 FWL_ERR CFWL_ListBoxImp::Initialize() { | |
| 83 if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded) | |
| 84 return FWL_ERR_Indefinite; | |
| 85 m_pDelegate = new CFWL_ListBoxImpDelegate(this); | |
| 86 return FWL_ERR_Succeeded; | |
| 87 } | |
| 88 FWL_ERR CFWL_ListBoxImp::Finalize() { | |
| 89 if (m_pVertScrollBar) { | |
| 90 m_pVertScrollBar->Finalize(); | |
| 91 } | |
| 92 if (m_pHorzScrollBar) { | |
| 93 m_pHorzScrollBar->Finalize(); | |
| 94 } | |
| 95 delete m_pDelegate; | |
| 96 m_pDelegate = nullptr; | |
| 97 return CFWL_WidgetImp::Finalize(); | |
| 98 } | |
| 99 FWL_ERR CFWL_ListBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { | |
| 100 if (bAutoSize) { | |
| 101 rect.Set(0, 0, 0, 0); | |
| 102 if (!m_pProperties->m_pThemeProvider) { | |
| 103 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 104 } | |
| 105 CFX_SizeF fs = CalcSize(TRUE); | |
| 106 rect.Set(0, 0, fs.x, fs.y); | |
| 107 CFWL_WidgetImp::GetWidgetRect(rect, TRUE); | |
| 108 } else { | |
| 109 rect = m_pProperties->m_rtWidget; | |
| 110 } | |
| 111 return FWL_ERR_Succeeded; | |
| 112 } | |
| 113 FWL_ERR CFWL_ListBoxImp::Update() { | |
| 114 if (IsLocked()) { | |
| 115 return FWL_ERR_Indefinite; | |
| 116 } | |
| 117 if (!m_pProperties->m_pThemeProvider) { | |
| 118 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 119 } | |
| 120 m_iTTOAligns = FDE_TTOALIGNMENT_Center; | |
| 121 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_AlignMask) { | |
| 122 case FWL_STYLEEXT_LTB_LeftAlign: { | |
| 123 m_iTTOAligns = FDE_TTOALIGNMENT_CenterLeft; | |
| 124 break; | |
| 125 } | |
| 126 case FWL_STYLEEXT_LTB_RightAlign: { | |
| 127 m_iTTOAligns = FDE_TTOALIGNMENT_CenterRight; | |
| 128 break; | |
| 129 } | |
| 130 case FWL_STYLEEXT_LTB_CenterAlign: | |
| 131 default: { m_iTTOAligns = FDE_TTOALIGNMENT_Center; } | |
| 132 } | |
| 133 if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) { | |
| 134 m_dwTTOStyles |= FDE_TTOSTYLE_RTL; | |
| 135 } | |
| 136 m_dwTTOStyles |= FDE_TTOSTYLE_SingleLine; | |
| 137 m_fScorllBarWidth = GetScrollWidth(); | |
| 138 SortItem(); | |
| 139 CalcSize(); | |
| 140 return FWL_ERR_Succeeded; | |
| 141 } | |
| 142 FX_DWORD CFWL_ListBoxImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) { | |
| 143 if (IsShowScrollBar(FALSE)) { | |
| 144 CFX_RectF rect; | |
| 145 m_pHorzScrollBar->GetWidgetRect(rect); | |
| 146 if (rect.Contains(fx, fy)) { | |
| 147 return FWL_WGTHITTEST_HScrollBar; | |
| 148 } | |
| 149 } | |
| 150 if (IsShowScrollBar(TRUE)) { | |
| 151 CFX_RectF rect; | |
| 152 m_pVertScrollBar->GetWidgetRect(rect); | |
| 153 if (rect.Contains(fx, fy)) { | |
| 154 return FWL_WGTHITTEST_VScrollBar; | |
| 155 } | |
| 156 } | |
| 157 if (m_rtClient.Contains(fx, fy)) { | |
| 158 return FWL_WGTHITTEST_Client; | |
| 159 } | |
| 160 return FWL_WGTHITTEST_Unknown; | |
| 161 } | |
| 162 FWL_ERR CFWL_ListBoxImp::DrawWidget(CFX_Graphics* pGraphics, | |
| 163 const CFX_Matrix* pMatrix) { | |
| 164 if (!pGraphics) | |
| 165 return FWL_ERR_Indefinite; | |
| 166 if (!m_pProperties->m_pThemeProvider) | |
| 167 return FWL_ERR_Indefinite; | |
| 168 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 169 pGraphics->SaveGraphState(); | |
| 170 if (HasBorder()) { | |
| 171 DrawBorder(pGraphics, FWL_PART_LTB_Border, pTheme, pMatrix); | |
| 172 } | |
| 173 if (HasEdge()) { | |
| 174 DrawEdge(pGraphics, FWL_PART_LTB_Edge, pTheme, pMatrix); | |
| 175 } | |
| 176 CFX_RectF rtClip(m_rtConent); | |
| 177 if (IsShowScrollBar(FALSE)) { | |
| 178 rtClip.height -= m_fScorllBarWidth; | |
| 179 } | |
| 180 if (IsShowScrollBar(TRUE)) { | |
| 181 rtClip.width -= m_fScorllBarWidth; | |
| 182 } | |
| 183 if (pMatrix) { | |
| 184 pMatrix->TransformRect(rtClip); | |
| 185 } | |
| 186 pGraphics->SetClipRect(rtClip); | |
| 187 if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_NoBackground) == 0) { | |
| 188 DrawBkground(pGraphics, pTheme, pMatrix); | |
| 189 } | |
| 190 DrawItems(pGraphics, pTheme, pMatrix); | |
| 191 pGraphics->RestoreGraphState(); | |
| 192 return FWL_ERR_Succeeded; | |
| 193 } | |
| 194 FWL_ERR CFWL_ListBoxImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { | |
| 195 if (!pThemeProvider) | |
| 196 return FWL_ERR_Indefinite; | |
| 197 if (!pThemeProvider->IsValidWidget(m_pInterface)) { | |
| 198 m_pScrollBarTP = pThemeProvider; | |
| 199 return FWL_ERR_Succeeded; | |
| 200 } | |
| 201 m_pProperties->m_pThemeProvider = pThemeProvider; | |
| 202 return FWL_ERR_Succeeded; | |
| 203 } | |
| 204 int32_t CFWL_ListBoxImp::CountSelItems() { | |
| 205 if (!m_pProperties->m_pDataProvider) | |
| 206 return 0; | |
| 207 int32_t iRet = 0; | |
| 208 IFWL_ListBoxDP* pData = | |
| 209 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 210 int32_t iCount = pData->CountItems(m_pInterface); | |
| 211 for (int32_t i = 0; i < iCount; i++) { | |
| 212 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 213 if (!hItem) { | |
| 214 continue; | |
| 215 } | |
| 216 FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem); | |
| 217 if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { | |
| 218 iRet++; | |
| 219 } | |
| 220 } | |
| 221 return iRet; | |
| 222 } | |
| 223 FWL_HLISTITEM CFWL_ListBoxImp::GetSelItem(int32_t nIndexSel) { | |
| 224 if (!m_pProperties->m_pDataProvider) | |
| 225 return NULL; | |
| 226 int32_t index = 0; | |
| 227 IFWL_ListBoxDP* pData = | |
| 228 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 229 int32_t iCount = pData->CountItems(m_pInterface); | |
| 230 for (int32_t i = 0; i < iCount; i++) { | |
| 231 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 232 if (!hItem) { | |
| 233 return NULL; | |
| 234 } | |
| 235 FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem); | |
| 236 if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { | |
| 237 if (index == nIndexSel) { | |
| 238 return hItem; | |
| 239 } else { | |
| 240 index++; | |
| 241 } | |
| 242 } | |
| 243 } | |
| 244 return NULL; | |
| 245 } | |
| 246 int32_t CFWL_ListBoxImp::GetSelIndex(int32_t nIndex) { | |
| 247 if (!m_pProperties->m_pDataProvider) | |
| 248 return -1; | |
| 249 int32_t index = 0; | |
| 250 IFWL_ListBoxDP* pData = | |
| 251 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 252 int32_t iCount = pData->CountItems(m_pInterface); | |
| 253 for (int32_t i = 0; i < iCount; i++) { | |
| 254 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 255 if (!hItem) { | |
| 256 return -1; | |
| 257 } | |
| 258 FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem); | |
| 259 if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { | |
| 260 if (index == nIndex) { | |
| 261 return i; | |
| 262 } else { | |
| 263 index++; | |
| 264 } | |
| 265 } | |
| 266 } | |
| 267 return -1; | |
| 268 } | |
| 269 FWL_ERR CFWL_ListBoxImp::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) { | |
| 270 if (!m_pProperties->m_pDataProvider) | |
| 271 return FWL_ERR_Indefinite; | |
| 272 if (!hItem) { | |
| 273 if (bSelect) { | |
| 274 SelectAll(); | |
| 275 } else { | |
| 276 ClearSelection(); | |
| 277 SetFocusItem(NULL); | |
| 278 } | |
| 279 return FWL_ERR_Indefinite; | |
| 280 } | |
| 281 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) { | |
| 282 SetSelectionDirect(hItem, bSelect); | |
| 283 } else { | |
| 284 SetSelection(hItem, hItem, bSelect); | |
| 285 } | |
| 286 return FWL_ERR_Succeeded; | |
| 287 } | |
| 288 FWL_ERR CFWL_ListBoxImp::GetItemText(FWL_HLISTITEM hItem, | |
| 289 CFX_WideString& wsText) { | |
| 290 if (!m_pProperties->m_pDataProvider) | |
| 291 return FWL_ERR_Indefinite; | |
| 292 IFWL_ListBoxDP* pData = | |
| 293 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 294 if (!hItem) | |
| 295 return FWL_ERR_Indefinite; | |
| 296 pData->GetItemText(m_pInterface, hItem, wsText); | |
| 297 return FWL_ERR_Succeeded; | |
| 298 } | |
| 299 FWL_ERR CFWL_ListBoxImp::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { | |
| 300 if ((bVert && IsShowScrollBar(TRUE)) || (!bVert && IsShowScrollBar(FALSE))) { | |
| 301 IFWL_ScrollBar* pScrollBar = | |
| 302 bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get(); | |
| 303 fPos = pScrollBar->GetPos(); | |
| 304 return FWL_ERR_Succeeded; | |
| 305 } | |
| 306 return FWL_ERR_Indefinite; | |
| 307 } | |
| 308 FWL_ERR* CFWL_ListBoxImp::Sort(IFWL_ListBoxCompare* pCom) { | |
| 309 FWL_HLISTITEM hTemp; | |
| 310 IFWL_ListBoxDP* pData = | |
| 311 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 312 int32_t sz = pData->CountItems(m_pInterface); | |
| 313 for (int32_t i = 0; i < sz - 1; i++) { | |
| 314 for (int32_t j = i + 1; j < sz; j++) { | |
| 315 if (pCom->Compare(pData->GetItem(m_pInterface, i), | |
| 316 pData->GetItem(m_pInterface, j)) > 0) { | |
| 317 hTemp = pData->GetItem(m_pInterface, i); | |
| 318 pData->SetItemIndex(m_pInterface, pData->GetItem(m_pInterface, j), i); | |
| 319 pData->SetItemIndex(m_pInterface, hTemp, j); | |
| 320 } | |
| 321 } | |
| 322 } | |
| 323 return FWL_ERR_Succeeded; | |
| 324 } | |
| 325 FWL_HLISTITEM CFWL_ListBoxImp::GetItem(FWL_HLISTITEM hItem, | |
| 326 FX_DWORD dwKeyCode) { | |
| 327 FWL_HLISTITEM hRet = NULL; | |
| 328 switch (dwKeyCode) { | |
| 329 case FWL_VKEY_Up: | |
| 330 case FWL_VKEY_Down: | |
| 331 case FWL_VKEY_Home: | |
| 332 case FWL_VKEY_End: { | |
| 333 const bool bUp = dwKeyCode == FWL_VKEY_Up; | |
| 334 const bool bDown = dwKeyCode == FWL_VKEY_Down; | |
| 335 const bool bHome = dwKeyCode == FWL_VKEY_Home; | |
| 336 IFWL_ListBoxDP* pData = | |
| 337 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 338 int32_t iDstItem = -1; | |
| 339 if (bUp || bDown) { | |
| 340 int32_t index = pData->GetItemIndex(m_pInterface, hItem); | |
| 341 iDstItem = dwKeyCode == FWL_VKEY_Up ? index - 1 : index + 1; | |
| 342 } else if (bHome) { | |
| 343 iDstItem = 0; | |
| 344 } else { | |
| 345 int32_t iCount = pData->CountItems(m_pInterface); | |
| 346 iDstItem = iCount - 1; | |
| 347 } | |
| 348 hRet = pData->GetItem(m_pInterface, iDstItem); | |
| 349 break; | |
| 350 } | |
| 351 default: {} | |
| 352 } | |
| 353 return hRet; | |
| 354 } | |
| 355 void CFWL_ListBoxImp::SetSelection(FWL_HLISTITEM hStart, | |
| 356 FWL_HLISTITEM hEnd, | |
| 357 FX_BOOL bSelected) { | |
| 358 IFWL_ListBoxDP* pData = | |
| 359 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 360 int32_t iStart = pData->GetItemIndex(m_pInterface, hStart); | |
| 361 int32_t iEnd = pData->GetItemIndex(m_pInterface, hEnd); | |
| 362 if (iStart > iEnd) { | |
| 363 int32_t iTemp = iStart; | |
| 364 iStart = iEnd; | |
| 365 iEnd = iTemp; | |
| 366 } | |
| 367 if (bSelected) { | |
| 368 int32_t iCount = pData->CountItems(m_pInterface); | |
| 369 for (int32_t i = 0; i < iCount; i++) { | |
| 370 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 371 SetSelectionDirect(hItem, FALSE); | |
| 372 } | |
| 373 } | |
| 374 for (; iStart <= iEnd; iStart++) { | |
| 375 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iStart); | |
| 376 SetSelectionDirect(hItem, bSelected); | |
| 377 } | |
| 378 } | |
| 379 void CFWL_ListBoxImp::SetSelectionDirect(FWL_HLISTITEM hItem, FX_BOOL bSelect) { | |
| 380 IFWL_ListBoxDP* pData = | |
| 381 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 382 FX_DWORD dwOldStyle = pData->GetItemStyles(m_pInterface, hItem); | |
| 383 bSelect ? dwOldStyle |= FWL_ITEMSTATE_LTB_Selected | |
| 384 : dwOldStyle &= ~FWL_ITEMSTATE_LTB_Selected; | |
| 385 pData->SetItemStyles(m_pInterface, hItem, dwOldStyle); | |
| 386 } | |
| 387 FX_BOOL CFWL_ListBoxImp::IsItemSelected(FWL_HLISTITEM hItem) { | |
| 388 IFWL_ListBoxDP* pData = | |
| 389 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 390 FX_DWORD dwState = pData->GetItemStyles(m_pInterface, hItem); | |
| 391 return (dwState & FWL_ITEMSTATE_LTB_Selected) != 0; | |
| 392 } | |
| 393 void CFWL_ListBoxImp::ClearSelection() { | |
| 394 FX_BOOL bMulti = | |
| 395 m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection; | |
| 396 IFWL_ListBoxDP* pData = | |
| 397 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 398 int32_t iCount = pData->CountItems(m_pInterface); | |
| 399 for (int32_t i = 0; i < iCount; i++) { | |
| 400 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 401 FX_DWORD dwState = pData->GetItemStyles(m_pInterface, hItem); | |
| 402 FX_BOOL bFindSel = dwState & FWL_ITEMSTATE_LTB_Selected; | |
| 403 if (!bFindSel) { | |
| 404 continue; | |
| 405 } | |
| 406 SetSelectionDirect(hItem, FALSE); | |
| 407 if (!bMulti) { | |
| 408 return; | |
| 409 } | |
| 410 } | |
| 411 } | |
| 412 void CFWL_ListBoxImp::SelectAll() { | |
| 413 FX_BOOL bMulti = | |
| 414 m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection; | |
| 415 if (!bMulti) { | |
| 416 return; | |
| 417 } | |
| 418 IFWL_ListBoxDP* pData = | |
| 419 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 420 int32_t iCount = pData->CountItems(m_pInterface); | |
| 421 if (iCount > 0) { | |
| 422 FWL_HLISTITEM hItemStart = pData->GetItem(m_pInterface, 0); | |
| 423 FWL_HLISTITEM hItemEnd = pData->GetItem(m_pInterface, iCount - 1); | |
| 424 SetSelection(hItemStart, hItemEnd, FALSE); | |
| 425 } | |
| 426 } | |
| 427 FWL_HLISTITEM CFWL_ListBoxImp::GetFocusedItem() { | |
| 428 IFWL_ListBoxDP* pData = | |
| 429 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 430 int32_t iCount = pData->CountItems(m_pInterface); | |
| 431 for (int32_t i = 0; i < iCount; i++) { | |
| 432 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 433 if (!hItem) | |
| 434 return NULL; | |
| 435 if (pData->GetItemStyles(m_pInterface, hItem) & FWL_ITEMSTATE_LTB_Focused) { | |
| 436 return hItem; | |
| 437 } | |
| 438 } | |
| 439 return NULL; | |
| 440 } | |
| 441 void CFWL_ListBoxImp::SetFocusItem(FWL_HLISTITEM hItem) { | |
| 442 IFWL_ListBoxDP* pData = | |
| 443 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 444 FWL_HLISTITEM hFocus = GetFocusedItem(); | |
| 445 if (hItem != hFocus) { | |
| 446 if (hFocus) { | |
| 447 FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hFocus); | |
| 448 dwStyle &= ~FWL_ITEMSTATE_LTB_Focused; | |
| 449 pData->SetItemStyles(m_pInterface, hFocus, dwStyle); | |
| 450 } | |
| 451 if (hItem) { | |
| 452 FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem); | |
| 453 dwStyle |= FWL_ITEMSTATE_LTB_Focused; | |
| 454 pData->SetItemStyles(m_pInterface, hItem, dwStyle); | |
| 455 } | |
| 456 } | |
| 457 } | |
| 458 FWL_HLISTITEM CFWL_ListBoxImp::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) { | |
| 459 fx -= m_rtConent.left, fy -= m_rtConent.top; | |
| 460 FX_FLOAT fPosX = 0.0f; | |
| 461 if (m_pHorzScrollBar) { | |
| 462 fPosX = m_pHorzScrollBar->GetPos(); | |
| 463 } | |
| 464 FX_FLOAT fPosY = 0.0; | |
| 465 if (m_pVertScrollBar) { | |
| 466 fPosY = m_pVertScrollBar->GetPos(); | |
| 467 } | |
| 468 IFWL_ListBoxDP* pData = | |
| 469 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 470 int32_t nCount = pData->CountItems(m_pInterface); | |
| 471 for (int32_t i = 0; i < nCount; i++) { | |
| 472 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 473 if (!hItem) { | |
| 474 continue; | |
| 475 } | |
| 476 CFX_RectF rtItem; | |
| 477 pData->GetItemRect(m_pInterface, hItem, rtItem); | |
| 478 rtItem.Offset(-fPosX, -fPosY); | |
| 479 if (rtItem.Contains(fx, fy)) { | |
| 480 return hItem; | |
| 481 } | |
| 482 } | |
| 483 return NULL; | |
| 484 } | |
| 485 FX_BOOL CFWL_ListBoxImp::GetItemCheckRect(FWL_HLISTITEM hItem, | |
| 486 CFX_RectF& rtCheck) { | |
| 487 if (!m_pProperties->m_pDataProvider) | |
| 488 return FALSE; | |
| 489 if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { | |
| 490 return FALSE; | |
| 491 } | |
| 492 IFWL_ListBoxDP* pData = | |
| 493 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 494 pData->GetItemCheckRect(m_pInterface, hItem, rtCheck); | |
| 495 return TRUE; | |
| 496 } | |
| 497 FX_BOOL CFWL_ListBoxImp::GetItemChecked(FWL_HLISTITEM hItem) { | |
| 498 if (!m_pProperties->m_pDataProvider) | |
| 499 return FALSE; | |
| 500 if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { | |
| 501 return FALSE; | |
| 502 } | |
| 503 IFWL_ListBoxDP* pData = | |
| 504 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 505 return (pData->GetItemCheckState(m_pInterface, hItem) & | |
| 506 FWL_ITEMSTATE_LTB_Checked); | |
| 507 } | |
| 508 FX_BOOL CFWL_ListBoxImp::SetItemChecked(FWL_HLISTITEM hItem, FX_BOOL bChecked) { | |
| 509 if (!m_pProperties->m_pDataProvider) | |
| 510 return FALSE; | |
| 511 if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { | |
| 512 return FALSE; | |
| 513 } | |
| 514 IFWL_ListBoxDP* pData = | |
| 515 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 516 pData->SetItemCheckState(m_pInterface, hItem, | |
| 517 bChecked ? FWL_ITEMSTATE_LTB_Checked : 0); | |
| 518 return TRUE; | |
| 519 } | |
| 520 FX_BOOL CFWL_ListBoxImp::ScrollToVisible(FWL_HLISTITEM hItem) { | |
| 521 if (!m_pVertScrollBar) | |
| 522 return FALSE; | |
| 523 CFX_RectF rtItem; | |
| 524 IFWL_ListBoxDP* pData = | |
| 525 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 526 pData->GetItemRect(m_pInterface, hItem, rtItem); | |
| 527 FX_BOOL bScroll = FALSE; | |
| 528 FX_FLOAT fPosY = m_pVertScrollBar->GetPos(); | |
| 529 rtItem.Offset(0, -fPosY + m_rtConent.top); | |
| 530 if (rtItem.top < m_rtConent.top) { | |
| 531 fPosY += rtItem.top - m_rtConent.top; | |
| 532 bScroll = TRUE; | |
| 533 } else if (rtItem.bottom() > m_rtConent.bottom()) { | |
| 534 fPosY += rtItem.bottom() - m_rtConent.bottom(); | |
| 535 bScroll = TRUE; | |
| 536 } | |
| 537 if (!bScroll) { | |
| 538 return FALSE; | |
| 539 } | |
| 540 m_pVertScrollBar->SetPos(fPosY); | |
| 541 m_pVertScrollBar->SetTrackPos(fPosY); | |
| 542 Repaint(&m_rtClient); | |
| 543 return TRUE; | |
| 544 } | |
| 545 void CFWL_ListBoxImp::DrawBkground(CFX_Graphics* pGraphics, | |
| 546 IFWL_ThemeProvider* pTheme, | |
| 547 const CFX_Matrix* pMatrix) { | |
| 548 if (!pGraphics) | |
| 549 return; | |
| 550 if (!pTheme) | |
| 551 return; | |
| 552 CFWL_ThemeBackground param; | |
| 553 param.m_pWidget = m_pInterface; | |
| 554 param.m_iPart = FWL_PART_LTB_Background; | |
| 555 param.m_dwStates = 0; | |
| 556 param.m_pGraphics = pGraphics; | |
| 557 param.m_matrix.Concat(*pMatrix); | |
| 558 param.m_rtPart = m_rtClient; | |
| 559 if (IsShowScrollBar(FALSE) && IsShowScrollBar(TRUE)) { | |
| 560 param.m_pData = &m_rtStatic; | |
| 561 } | |
| 562 if (!IsEnabled()) { | |
| 563 param.m_dwStates = FWL_PARTSTATE_LTB_Disabled; | |
| 564 } | |
| 565 pTheme->DrawBackground(¶m); | |
| 566 } | |
| 567 void CFWL_ListBoxImp::DrawItems(CFX_Graphics* pGraphics, | |
| 568 IFWL_ThemeProvider* pTheme, | |
| 569 const CFX_Matrix* pMatrix) { | |
| 570 FX_FLOAT fPosX = 0.0f; | |
| 571 if (m_pHorzScrollBar) { | |
| 572 fPosX = m_pHorzScrollBar->GetPos(); | |
| 573 } | |
| 574 FX_FLOAT fPosY = 0.0f; | |
| 575 if (m_pVertScrollBar) { | |
| 576 fPosY = m_pVertScrollBar->GetPos(); | |
| 577 } | |
| 578 CFX_RectF rtView(m_rtConent); | |
| 579 if (m_pHorzScrollBar) { | |
| 580 rtView.height -= m_fScorllBarWidth; | |
| 581 } | |
| 582 if (m_pVertScrollBar) { | |
| 583 rtView.width -= m_fScorllBarWidth; | |
| 584 } | |
| 585 FX_BOOL bMultiCol = | |
| 586 m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn; | |
| 587 IFWL_ListBoxDP* pData = | |
| 588 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 589 int32_t iCount = pData->CountItems(m_pInterface); | |
| 590 for (int32_t i = 0; i < iCount; i++) { | |
| 591 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 592 if (!hItem) { | |
| 593 continue; | |
| 594 } | |
| 595 CFX_RectF rtItem; | |
| 596 pData->GetItemRect(m_pInterface, hItem, rtItem); | |
| 597 rtItem.Offset(m_rtConent.left - fPosX, m_rtConent.top - fPosY); | |
| 598 if (rtItem.bottom() < m_rtConent.top) { | |
| 599 continue; | |
| 600 } | |
| 601 if (rtItem.top >= m_rtConent.bottom()) { | |
| 602 break; | |
| 603 } | |
| 604 if (bMultiCol && rtItem.left > m_rtConent.right()) { | |
| 605 break; | |
| 606 } | |
| 607 if (GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw) { | |
| 608 CFWL_EvtLtbDrawItem ev; | |
| 609 ev.m_pSrcTarget = m_pInterface; | |
| 610 ev.m_pGraphics = pGraphics; | |
| 611 ev.m_matrix = *pMatrix; | |
| 612 ev.m_index = i; | |
| 613 ev.m_rect = rtItem; | |
| 614 DispatchEvent(&ev); | |
| 615 } else { | |
| 616 DrawItem(pGraphics, pTheme, hItem, i, rtItem, pMatrix); | |
| 617 } | |
| 618 } | |
| 619 } | |
| 620 void CFWL_ListBoxImp::DrawItem(CFX_Graphics* pGraphics, | |
| 621 IFWL_ThemeProvider* pTheme, | |
| 622 FWL_HLISTITEM hItem, | |
| 623 int32_t Index, | |
| 624 const CFX_RectF& rtItem, | |
| 625 const CFX_Matrix* pMatrix) { | |
| 626 IFWL_ListBoxDP* pData = | |
| 627 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 628 FX_DWORD dwItemStyles = pData->GetItemStyles(m_pInterface, hItem); | |
| 629 FX_DWORD dwPartStates = FWL_PARTSTATE_LTB_Normal; | |
| 630 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { | |
| 631 dwPartStates = FWL_PARTSTATE_LTB_Disabled; | |
| 632 } else if (dwItemStyles & FWL_ITEMSTATE_LTB_Selected) { | |
| 633 dwPartStates = FWL_PARTSTATE_LTB_Selected; | |
| 634 } | |
| 635 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && | |
| 636 dwItemStyles & FWL_ITEMSTATE_LTB_Focused) { | |
| 637 dwPartStates |= FWL_PARTSTATE_LTB_Focused; | |
| 638 } | |
| 639 FWL_ListBoxItemData itemData; | |
| 640 itemData.pDataProvider = pData; | |
| 641 itemData.iIndex = Index; | |
| 642 { | |
| 643 CFWL_ThemeBackground param; | |
| 644 param.m_pWidget = m_pInterface; | |
| 645 param.m_iPart = FWL_PART_LTB_ListItem; | |
| 646 param.m_dwStates = dwPartStates; | |
| 647 param.m_pGraphics = pGraphics; | |
| 648 param.m_matrix.Concat(*pMatrix); | |
| 649 param.m_rtPart = rtItem; | |
| 650 param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
| 651 CFX_RectF rtFocus(rtItem); | |
| 652 param.m_pData = &rtFocus; | |
| 653 if (m_pVertScrollBar && !m_pHorzScrollBar && | |
| 654 (dwPartStates & FWL_PARTSTATE_LTB_Focused)) { | |
| 655 param.m_rtPart.left += 1; | |
| 656 param.m_rtPart.width -= (m_fScorllBarWidth + 1); | |
| 657 rtFocus.Deflate(0.5, 0.5, 1 + m_fScorllBarWidth, 1); | |
| 658 } | |
| 659 pTheme->DrawBackground(¶m); | |
| 660 } | |
| 661 { | |
| 662 FX_BOOL bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon; | |
| 663 if (bHasIcon) { | |
| 664 CFX_RectF rtDIB; | |
| 665 CFX_DIBitmap* pDib = pData->GetItemIcon(m_pInterface, hItem); | |
| 666 rtDIB.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); | |
| 667 if (pDib) { | |
| 668 CFWL_ThemeBackground param; | |
| 669 param.m_pWidget = m_pInterface; | |
| 670 param.m_iPart = FWL_PART_LTB_Icon; | |
| 671 param.m_pGraphics = pGraphics; | |
| 672 param.m_matrix.Concat(*pMatrix); | |
| 673 param.m_rtPart = rtDIB; | |
| 674 param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
| 675 param.m_pImage = pDib; | |
| 676 pTheme->DrawBackground(¶m); | |
| 677 } | |
| 678 } | |
| 679 FX_BOOL bHasCheck = GetStylesEx() & FWL_STYLEEXT_LTB_Check; | |
| 680 if (bHasCheck) { | |
| 681 CFX_RectF rtCheck; | |
| 682 rtCheck.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); | |
| 683 rtCheck.Deflate(2, 2, 2, 2); | |
| 684 pData->SetItemCheckRect(m_pInterface, hItem, rtCheck); | |
| 685 CFWL_ThemeBackground param; | |
| 686 param.m_pWidget = m_pInterface; | |
| 687 param.m_iPart = FWL_PART_LTB_Check; | |
| 688 param.m_pGraphics = pGraphics; | |
| 689 if (GetItemChecked(hItem)) { | |
| 690 param.m_dwStates = FWL_PARTSTATE_LTB_Checked; | |
| 691 } else { | |
| 692 param.m_dwStates = FWL_PARTSTATE_LTB_UnChecked; | |
| 693 } | |
| 694 param.m_matrix.Concat(*pMatrix); | |
| 695 param.m_rtPart = rtCheck; | |
| 696 param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
| 697 pTheme->DrawBackground(¶m); | |
| 698 } | |
| 699 CFX_WideString wsText; | |
| 700 pData->GetItemText(m_pInterface, hItem, wsText); | |
| 701 if (wsText.GetLength() <= 0) { | |
| 702 return; | |
| 703 } | |
| 704 CFX_RectF rtText(rtItem); | |
| 705 rtText.Deflate(FWL_LISTBOX_ItemTextMargin, FWL_LISTBOX_ItemTextMargin); | |
| 706 if (bHasIcon || bHasCheck) { | |
| 707 rtText.Deflate(rtItem.height, 0, 0, 0); | |
| 708 } | |
| 709 CFWL_ThemeText textParam; | |
| 710 textParam.m_pWidget = m_pInterface; | |
| 711 textParam.m_iPart = FWL_PART_LTB_ListItem; | |
| 712 textParam.m_dwStates = dwPartStates; | |
| 713 textParam.m_pGraphics = pGraphics; | |
| 714 textParam.m_matrix.Concat(*pMatrix); | |
| 715 textParam.m_rtPart = rtText; | |
| 716 textParam.m_wsText = wsText; | |
| 717 textParam.m_dwTTOStyles = m_dwTTOStyles; | |
| 718 textParam.m_iTTOAlign = m_iTTOAligns; | |
| 719 textParam.m_dwData = (FX_DWORD)(uintptr_t)(&itemData); | |
| 720 pTheme->DrawText(&textParam); | |
| 721 } | |
| 722 } | |
| 723 CFX_SizeF CFWL_ListBoxImp::CalcSize(FX_BOOL bAutoSize) { | |
| 724 CFX_SizeF fs; | |
| 725 if (!m_pProperties->m_pThemeProvider) | |
| 726 return fs; | |
| 727 | |
| 728 GetClientRect(m_rtClient); | |
| 729 m_rtConent = m_rtClient; | |
| 730 CFX_RectF rtUIMargin; | |
| 731 rtUIMargin.Set(0, 0, 0, 0); | |
| 732 if (!m_pOuter) { | |
| 733 CFX_RectF* pUIMargin = | |
| 734 static_cast<CFX_RectF*>(GetThemeCapacity(FWL_WGTCAPACITY_UIMargin)); | |
| 735 if (pUIMargin) { | |
| 736 m_rtConent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width, | |
| 737 pUIMargin->height); | |
| 738 } | |
| 739 } | |
| 740 FX_FLOAT fWidth = 0; | |
| 741 if (m_pProperties->m_pThemeProvider->IsCustomizedLayout(m_pInterface)) { | |
| 742 IFWL_ListBoxDP* pData = | |
| 743 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 744 if (!bAutoSize) { | |
| 745 } | |
| 746 int32_t iCount = pData->CountItems(m_pInterface); | |
| 747 for (int32_t i = 0; i < iCount; i++) { | |
| 748 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 749 CFWL_ThemePart itemPart; | |
| 750 itemPart.m_pWidget = m_pInterface; | |
| 751 itemPart.m_iPart = FWL_PART_LTB_ListItem; | |
| 752 itemPart.m_pData = m_pProperties->m_pDataProvider; | |
| 753 itemPart.m_dwData = i; | |
| 754 CFX_RectF r; | |
| 755 m_pProperties->m_pThemeProvider->GetPartRect(&itemPart, r); | |
| 756 if (!bAutoSize) { | |
| 757 CFX_RectF rtItem; | |
| 758 rtItem.Set(m_rtClient.left, m_rtClient.top + fs.y, r.width, r.height); | |
| 759 IFWL_ListBoxDP* pData = | |
| 760 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 761 pData->SetItemRect(m_pInterface, hItem, rtItem); | |
| 762 } | |
| 763 fs.y += r.height; | |
| 764 if (fs.x < r.width) { | |
| 765 fs.x = r.width; | |
| 766 fWidth = r.width; | |
| 767 } | |
| 768 } | |
| 769 } else { | |
| 770 fWidth = GetMaxTextWidth(); | |
| 771 fWidth += 2 * FWL_LISTBOX_ItemTextMargin; | |
| 772 if (!bAutoSize) { | |
| 773 FX_FLOAT fActualWidth = | |
| 774 m_rtClient.width - rtUIMargin.left - rtUIMargin.width; | |
| 775 if (fWidth < fActualWidth) { | |
| 776 fWidth = fActualWidth; | |
| 777 } | |
| 778 } | |
| 779 IFWL_ListBoxDP* pData = | |
| 780 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 781 m_fItemHeight = GetItemHeigt(); | |
| 782 FX_BOOL bHasIcon; | |
| 783 bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon; | |
| 784 if (bHasIcon) { | |
| 785 fWidth += m_fItemHeight; | |
| 786 } | |
| 787 int32_t iCount = pData->CountItems(m_pInterface); | |
| 788 for (int32_t i = 0; i < iCount; i++) { | |
| 789 FWL_HLISTITEM htem = pData->GetItem(m_pInterface, i); | |
| 790 GetItemSize(fs, htem, fWidth, m_fItemHeight, bAutoSize); | |
| 791 } | |
| 792 } | |
| 793 if (bAutoSize) { | |
| 794 return fs; | |
| 795 } | |
| 796 FX_FLOAT iWidth = m_rtClient.width - rtUIMargin.left - rtUIMargin.width; | |
| 797 FX_FLOAT iHeight = m_rtClient.height; | |
| 798 FX_BOOL bShowVertScr = | |
| 799 (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) && | |
| 800 (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll); | |
| 801 FX_BOOL bShowHorzScr = | |
| 802 (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) && | |
| 803 (m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll); | |
| 804 if (!bShowVertScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll && | |
| 805 (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) == 0) { | |
| 806 bShowVertScr = (fs.y > iHeight); | |
| 807 } | |
| 808 if (!bShowHorzScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) { | |
| 809 bShowHorzScr = (fs.x > iWidth); | |
| 810 } | |
| 811 CFX_SizeF szRange; | |
| 812 if (bShowVertScr) { | |
| 813 if (!m_pVertScrollBar) { | |
| 814 InitScrollBar(); | |
| 815 } | |
| 816 CFX_RectF rtScrollBar; | |
| 817 rtScrollBar.Set(m_rtClient.right() - m_fScorllBarWidth, m_rtClient.top, | |
| 818 m_fScorllBarWidth, m_rtClient.height - 1); | |
| 819 if (bShowHorzScr) { | |
| 820 rtScrollBar.height -= m_fScorllBarWidth; | |
| 821 } | |
| 822 m_pVertScrollBar->SetWidgetRect(rtScrollBar); | |
| 823 szRange.x = 0, szRange.y = fs.y - m_rtConent.height; | |
| 824 if (szRange.y < m_fItemHeight) { | |
| 825 szRange.y = m_fItemHeight; | |
| 826 } | |
| 827 m_pVertScrollBar->SetRange(szRange.x, szRange.y); | |
| 828 m_pVertScrollBar->SetPageSize(rtScrollBar.height * 9 / 10); | |
| 829 m_pVertScrollBar->SetStepSize(m_fItemHeight); | |
| 830 FX_FLOAT fPos = m_pVertScrollBar->GetPos(); | |
| 831 if (fPos < 0) { | |
| 832 fPos = 0; | |
| 833 } | |
| 834 if (fPos > szRange.y) { | |
| 835 fPos = szRange.y; | |
| 836 } | |
| 837 m_pVertScrollBar->SetPos(fPos); | |
| 838 m_pVertScrollBar->SetTrackPos(fPos); | |
| 839 if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) == | |
| 840 0 || | |
| 841 (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) { | |
| 842 m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE); | |
| 843 } | |
| 844 m_pVertScrollBar->Update(); | |
| 845 } else if (m_pVertScrollBar) { | |
| 846 m_pVertScrollBar->SetPos(0); | |
| 847 m_pVertScrollBar->SetTrackPos(0); | |
| 848 m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE); | |
| 849 } | |
| 850 if (bShowHorzScr) { | |
| 851 if (!m_pHorzScrollBar) { | |
| 852 InitScrollBar(FALSE); | |
| 853 } | |
| 854 CFX_RectF rtScrollBar; | |
| 855 rtScrollBar.Set(m_rtClient.left, m_rtClient.bottom() - m_fScorllBarWidth, | |
| 856 m_rtClient.width, m_fScorllBarWidth); | |
| 857 if (bShowVertScr) { | |
| 858 rtScrollBar.width -= m_fScorllBarWidth; | |
| 859 } | |
| 860 m_pHorzScrollBar->SetWidgetRect(rtScrollBar); | |
| 861 szRange.x = 0, szRange.y = fs.x - rtScrollBar.width; | |
| 862 m_pHorzScrollBar->SetRange(szRange.x, szRange.y); | |
| 863 m_pHorzScrollBar->SetPageSize(fWidth * 9 / 10); | |
| 864 m_pHorzScrollBar->SetStepSize(fWidth / 10); | |
| 865 FX_FLOAT fPos = m_pHorzScrollBar->GetPos(); | |
| 866 if (fPos < 0) { | |
| 867 fPos = 0; | |
| 868 } | |
| 869 if (fPos > szRange.y) { | |
| 870 fPos = szRange.y; | |
| 871 } | |
| 872 m_pHorzScrollBar->SetPos(fPos); | |
| 873 m_pHorzScrollBar->SetTrackPos(fPos); | |
| 874 if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) == | |
| 875 0 || | |
| 876 (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) { | |
| 877 m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE); | |
| 878 } | |
| 879 m_pHorzScrollBar->Update(); | |
| 880 } else if (m_pHorzScrollBar) { | |
| 881 m_pHorzScrollBar->SetPos(0); | |
| 882 m_pHorzScrollBar->SetTrackPos(0); | |
| 883 m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE); | |
| 884 } | |
| 885 if (bShowVertScr && bShowHorzScr) { | |
| 886 m_rtStatic.Set(m_rtClient.right() - m_fScorllBarWidth, | |
| 887 m_rtClient.bottom() - m_fScorllBarWidth, m_fScorllBarWidth, | |
| 888 m_fScorllBarWidth); | |
| 889 } | |
| 890 return fs; | |
| 891 } | |
| 892 void CFWL_ListBoxImp::GetItemSize(CFX_SizeF& size, | |
| 893 FWL_HLISTITEM hItem, | |
| 894 FX_FLOAT fWidth, | |
| 895 FX_FLOAT m_fItemHeight, | |
| 896 FX_BOOL bAutoSize) { | |
| 897 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) { | |
| 898 } else { | |
| 899 if (!bAutoSize) { | |
| 900 CFX_RectF rtItem; | |
| 901 rtItem.Set(0, size.y, fWidth, m_fItemHeight); | |
| 902 IFWL_ListBoxDP* pData = | |
| 903 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 904 pData->SetItemRect(m_pInterface, hItem, rtItem); | |
| 905 } | |
| 906 size.x = fWidth; | |
| 907 size.y += m_fItemHeight; | |
| 908 } | |
| 909 } | |
| 910 FX_FLOAT CFWL_ListBoxImp::GetMaxTextWidth() { | |
| 911 FX_FLOAT fRet = 0.0f; | |
| 912 IFWL_ListBoxDP* pData = | |
| 913 static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); | |
| 914 int32_t iCount = pData->CountItems(m_pInterface); | |
| 915 for (int32_t i = 0; i < iCount; i++) { | |
| 916 FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); | |
| 917 if (!hItem) { | |
| 918 continue; | |
| 919 } | |
| 920 CFX_WideString wsText; | |
| 921 pData->GetItemText(m_pInterface, hItem, wsText); | |
| 922 CFX_SizeF sz = CalcTextSize(wsText, m_pProperties->m_pThemeProvider); | |
| 923 if (sz.x > fRet) { | |
| 924 fRet = sz.x; | |
| 925 } | |
| 926 } | |
| 927 return fRet; | |
| 928 } | |
| 929 FX_FLOAT CFWL_ListBoxImp::GetScrollWidth() { | |
| 930 FX_FLOAT* pfWidth = | |
| 931 static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth)); | |
| 932 if (!pfWidth) | |
| 933 return 0; | |
| 934 return *pfWidth; | |
| 935 } | |
| 936 FX_FLOAT CFWL_ListBoxImp::GetItemHeigt() { | |
| 937 FX_FLOAT* pfFont = | |
| 938 static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_FontSize)); | |
| 939 if (!pfFont) | |
| 940 return 20; | |
| 941 return *pfFont + 2 * FWL_LISTBOX_ItemTextMargin; | |
| 942 } | |
| 943 void CFWL_ListBoxImp::InitScrollBar(FX_BOOL bVert) { | |
| 944 if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) { | |
| 945 return; | |
| 946 } | |
| 947 CFWL_WidgetImpProperties prop; | |
| 948 prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz; | |
| 949 prop.m_dwStates = FWL_WGTSTATE_Invisible; | |
| 950 prop.m_pParent = m_pInterface; | |
| 951 prop.m_pThemeProvider = m_pScrollBarTP; | |
| 952 IFWL_ScrollBar* pScrollBar = IFWL_ScrollBar::Create(prop, m_pInterface); | |
| 953 pScrollBar->Initialize(); | |
| 954 (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar); | |
| 955 } | |
| 956 void CFWL_ListBoxImp::SortItem() {} | |
| 957 FX_BOOL CFWL_ListBoxImp::IsShowScrollBar(FX_BOOL bVert) { | |
| 958 IFWL_ScrollBar* pScrollbar = | |
| 959 bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get(); | |
| 960 if (!pScrollbar || (pScrollbar->GetStates() & FWL_WGTSTATE_Invisible)) { | |
| 961 return FALSE; | |
| 962 } | |
| 963 return !(m_pProperties->m_dwStyleExes & | |
| 964 FWL_STYLEEXT_LTB_ShowScrollBarFocus) || | |
| 965 (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused); | |
| 966 } | |
| 967 void CFWL_ListBoxImp::ProcessSelChanged() { | |
| 968 CFWL_EvtLtbSelChanged selEvent; | |
| 969 selEvent.m_pSrcTarget = m_pInterface; | |
| 970 CFX_Int32Array arrSels; | |
| 971 int32_t iCount = CountSelItems(); | |
| 972 for (int32_t i = 0; i < iCount; i++) { | |
| 973 FWL_HLISTITEM item = GetSelItem(i); | |
| 974 if (item == NULL) { | |
| 975 continue; | |
| 976 } | |
| 977 selEvent.iarraySels.Add(i); | |
| 978 } | |
| 979 DispatchEvent(&selEvent); | |
| 980 } | |
| 981 CFWL_ListBoxImpDelegate::CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner) | |
| 982 : m_pOwner(pOwner) {} | |
| 983 int32_t CFWL_ListBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { | |
| 984 if (!pMessage) | |
| 985 return 0; | |
| 986 if (!m_pOwner->IsEnabled()) { | |
| 987 return 1; | |
| 988 } | |
| 989 FX_DWORD dwMsgCode = pMessage->GetClassID(); | |
| 990 int32_t iRet = 1; | |
| 991 switch (dwMsgCode) { | |
| 992 case FWL_MSGHASH_SetFocus: | |
| 993 case FWL_MSGHASH_KillFocus: { | |
| 994 OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus); | |
| 995 break; | |
| 996 } | |
| 997 case FWL_MSGHASH_Mouse: { | |
| 998 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 999 FX_DWORD dwCmd = pMsg->m_dwCmd; | |
| 1000 switch (dwCmd) { | |
| 1001 case FWL_MSGMOUSECMD_LButtonDown: { | |
| 1002 OnLButtonDown(pMsg); | |
| 1003 break; | |
| 1004 } | |
| 1005 case FWL_MSGMOUSECMD_LButtonUp: { | |
| 1006 OnLButtonUp(pMsg); | |
| 1007 break; | |
| 1008 } | |
| 1009 default: {} | |
| 1010 } | |
| 1011 break; | |
| 1012 } | |
| 1013 case FWL_MSGHASH_MouseWheel: { | |
| 1014 OnMouseWheel(static_cast<CFWL_MsgMouseWheel*>(pMessage)); | |
| 1015 break; | |
| 1016 } | |
| 1017 case FWL_MSGHASH_Key: { | |
| 1018 CFWL_MsgKey* pMsg = static_cast<CFWL_MsgKey*>(pMessage); | |
| 1019 if (pMsg->m_dwCmd == FWL_MSGKEYCMD_KeyDown) | |
| 1020 OnKeyDown(pMsg); | |
| 1021 break; | |
| 1022 } | |
| 1023 default: { iRet = 0; } | |
| 1024 } | |
| 1025 CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); | |
| 1026 return iRet; | |
| 1027 } | |
| 1028 FWL_ERR CFWL_ListBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) { | |
| 1029 if (!pEvent) | |
| 1030 return FWL_ERR_Indefinite; | |
| 1031 if (pEvent->GetClassID() != FWL_EVTHASH_Scroll) { | |
| 1032 return FWL_ERR_Succeeded; | |
| 1033 } | |
| 1034 IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget; | |
| 1035 if ((pSrcTarget == m_pOwner->m_pVertScrollBar.get() && | |
| 1036 m_pOwner->m_pVertScrollBar) || | |
| 1037 (pSrcTarget == m_pOwner->m_pHorzScrollBar.get() && | |
| 1038 m_pOwner->m_pHorzScrollBar)) { | |
| 1039 CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent); | |
| 1040 OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget), | |
| 1041 pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos); | |
| 1042 } | |
| 1043 return FWL_ERR_Succeeded; | |
| 1044 } | |
| 1045 FWL_ERR CFWL_ListBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, | |
| 1046 const CFX_Matrix* pMatrix) { | |
| 1047 return m_pOwner->DrawWidget(pGraphics, pMatrix); | |
| 1048 } | |
| 1049 void CFWL_ListBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) { | |
| 1050 if (m_pOwner->GetStylesEx() & FWL_STYLEEXT_LTB_ShowScrollBarFocus) { | |
| 1051 if (m_pOwner->m_pVertScrollBar) { | |
| 1052 m_pOwner->m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet); | |
| 1053 } | |
| 1054 if (m_pOwner->m_pHorzScrollBar) { | |
| 1055 m_pOwner->m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet); | |
| 1056 } | |
| 1057 } | |
| 1058 if (bSet) { | |
| 1059 m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused); | |
| 1060 } else { | |
| 1061 m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused); | |
| 1062 } | |
| 1063 m_pOwner->Repaint(&m_pOwner->m_rtClient); | |
| 1064 } | |
| 1065 void CFWL_ListBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { | |
| 1066 m_pOwner->m_bLButtonDown = TRUE; | |
| 1067 if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) { | |
| 1068 m_pOwner->SetFocus(TRUE); | |
| 1069 } | |
| 1070 FWL_HLISTITEM hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); | |
| 1071 if (!hItem) { | |
| 1072 return; | |
| 1073 } | |
| 1074 if (m_pOwner->m_pProperties->m_dwStyleExes & | |
| 1075 FWL_STYLEEXT_LTB_MultiSelection) { | |
| 1076 if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl) { | |
| 1077 FX_BOOL bSelected = m_pOwner->IsItemSelected(hItem); | |
| 1078 m_pOwner->SetSelectionDirect(hItem, !bSelected); | |
| 1079 m_pOwner->m_hAnchor = hItem; | |
| 1080 } else if (pMsg->m_dwFlags & FWL_KEYFLAG_Shift) { | |
| 1081 if (m_pOwner->m_hAnchor) { | |
| 1082 m_pOwner->SetSelection(m_pOwner->m_hAnchor, hItem, TRUE); | |
| 1083 } else { | |
| 1084 m_pOwner->SetSelectionDirect(hItem, TRUE); | |
| 1085 } | |
| 1086 } else { | |
| 1087 m_pOwner->SetSelection(hItem, hItem, TRUE); | |
| 1088 m_pOwner->m_hAnchor = hItem; | |
| 1089 } | |
| 1090 } else { | |
| 1091 m_pOwner->SetSelection(hItem, hItem, TRUE); | |
| 1092 } | |
| 1093 if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check) { | |
| 1094 FWL_HLISTITEM hSelectedItem = | |
| 1095 m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); | |
| 1096 CFX_RectF rtCheck; | |
| 1097 m_pOwner->GetItemCheckRect(hSelectedItem, rtCheck); | |
| 1098 FX_BOOL bChecked = m_pOwner->GetItemChecked(hItem); | |
| 1099 if (rtCheck.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 1100 if (bChecked) { | |
| 1101 m_pOwner->SetItemChecked(hItem, FALSE); | |
| 1102 } else { | |
| 1103 m_pOwner->SetItemChecked(hItem, TRUE); | |
| 1104 } | |
| 1105 m_pOwner->Update(); | |
| 1106 } | |
| 1107 } | |
| 1108 m_pOwner->SetFocusItem(hItem); | |
| 1109 m_pOwner->ScrollToVisible(hItem); | |
| 1110 m_pOwner->SetGrab(TRUE); | |
| 1111 m_pOwner->ProcessSelChanged(); | |
| 1112 m_pOwner->Repaint(&m_pOwner->m_rtClient); | |
| 1113 } | |
| 1114 void CFWL_ListBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { | |
| 1115 if (m_pOwner->m_bLButtonDown) { | |
| 1116 m_pOwner->m_bLButtonDown = FALSE; | |
| 1117 m_pOwner->SetGrab(FALSE); | |
| 1118 DispatchSelChangedEv(); | |
| 1119 } | |
| 1120 } | |
| 1121 void CFWL_ListBoxImpDelegate::OnMouseWheel(CFWL_MsgMouseWheel* pMsg) { | |
| 1122 if (!m_pOwner->IsShowScrollBar(TRUE)) { | |
| 1123 return; | |
| 1124 } | |
| 1125 IFWL_WidgetDelegate* pDelegate = | |
| 1126 m_pOwner->m_pVertScrollBar->SetDelegate(NULL); | |
| 1127 pDelegate->OnProcessMessage(pMsg); | |
| 1128 } | |
| 1129 void CFWL_ListBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) { | |
| 1130 FX_DWORD dwKeyCode = pMsg->m_dwKeyCode; | |
| 1131 switch (dwKeyCode) { | |
| 1132 case FWL_VKEY_Tab: | |
| 1133 case FWL_VKEY_Up: | |
| 1134 case FWL_VKEY_Down: | |
| 1135 case FWL_VKEY_Home: | |
| 1136 case FWL_VKEY_End: { | |
| 1137 FWL_HLISTITEM hItem = m_pOwner->GetFocusedItem(); | |
| 1138 hItem = m_pOwner->GetItem(hItem, dwKeyCode); | |
| 1139 FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift; | |
| 1140 FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl; | |
| 1141 OnVK(hItem, bShift, bCtrl); | |
| 1142 DispatchSelChangedEv(); | |
| 1143 m_pOwner->ProcessSelChanged(); | |
| 1144 break; | |
| 1145 } | |
| 1146 default: {} | |
| 1147 } | |
| 1148 } | |
| 1149 void CFWL_ListBoxImpDelegate::OnVK(FWL_HLISTITEM hItem, | |
| 1150 FX_BOOL bShift, | |
| 1151 FX_BOOL bCtrl) { | |
| 1152 if (!hItem) { | |
| 1153 return; | |
| 1154 } | |
| 1155 if (m_pOwner->m_pProperties->m_dwStyleExes & | |
| 1156 FWL_STYLEEXT_LTB_MultiSelection) { | |
| 1157 if (bCtrl) { | |
| 1158 } else if (bShift) { | |
| 1159 if (m_pOwner->m_hAnchor) { | |
| 1160 m_pOwner->SetSelection(m_pOwner->m_hAnchor, hItem, TRUE); | |
| 1161 } else { | |
| 1162 m_pOwner->SetSelectionDirect(hItem, TRUE); | |
| 1163 } | |
| 1164 } else { | |
| 1165 m_pOwner->SetSelection(hItem, hItem, TRUE); | |
| 1166 m_pOwner->m_hAnchor = hItem; | |
| 1167 } | |
| 1168 } else { | |
| 1169 m_pOwner->SetSelection(hItem, hItem, TRUE); | |
| 1170 } | |
| 1171 m_pOwner->SetFocusItem(hItem); | |
| 1172 m_pOwner->ScrollToVisible(hItem); | |
| 1173 { | |
| 1174 CFX_RectF rtInvalidate; | |
| 1175 rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width, | |
| 1176 m_pOwner->m_pProperties->m_rtWidget.height); | |
| 1177 m_pOwner->Repaint(&rtInvalidate); | |
| 1178 } | |
| 1179 } | |
| 1180 FX_BOOL CFWL_ListBoxImpDelegate::OnScroll(IFWL_ScrollBar* pScrollBar, | |
| 1181 FX_DWORD dwCode, | |
| 1182 FX_FLOAT fPos) { | |
| 1183 CFX_SizeF fs; | |
| 1184 pScrollBar->GetRange(fs.x, fs.y); | |
| 1185 FX_FLOAT iCurPos = pScrollBar->GetPos(); | |
| 1186 FX_FLOAT fStep = pScrollBar->GetStepSize(); | |
| 1187 switch (dwCode) { | |
| 1188 case FWL_SCBCODE_Min: { | |
| 1189 fPos = fs.x; | |
| 1190 break; | |
| 1191 } | |
| 1192 case FWL_SCBCODE_Max: { | |
| 1193 fPos = fs.y; | |
| 1194 break; | |
| 1195 } | |
| 1196 case FWL_SCBCODE_StepBackward: { | |
| 1197 fPos -= fStep; | |
| 1198 if (fPos < fs.x + fStep / 2) { | |
| 1199 fPos = fs.x; | |
| 1200 } | |
| 1201 break; | |
| 1202 } | |
| 1203 case FWL_SCBCODE_StepForward: { | |
| 1204 fPos += fStep; | |
| 1205 if (fPos > fs.y - fStep / 2) { | |
| 1206 fPos = fs.y; | |
| 1207 } | |
| 1208 break; | |
| 1209 } | |
| 1210 case FWL_SCBCODE_PageBackward: { | |
| 1211 fPos -= pScrollBar->GetPageSize(); | |
| 1212 if (fPos < fs.x) { | |
| 1213 fPos = fs.x; | |
| 1214 } | |
| 1215 break; | |
| 1216 } | |
| 1217 case FWL_SCBCODE_PageForward: { | |
| 1218 fPos += pScrollBar->GetPageSize(); | |
| 1219 if (fPos > fs.y) { | |
| 1220 fPos = fs.y; | |
| 1221 } | |
| 1222 break; | |
| 1223 } | |
| 1224 case FWL_SCBCODE_Pos: | |
| 1225 case FWL_SCBCODE_TrackPos: | |
| 1226 break; | |
| 1227 case FWL_SCBCODE_EndScroll: | |
| 1228 return FALSE; | |
| 1229 } | |
| 1230 if (iCurPos != fPos) { | |
| 1231 pScrollBar->SetPos(fPos); | |
| 1232 pScrollBar->SetTrackPos(fPos); | |
| 1233 m_pOwner->Repaint(&m_pOwner->m_rtClient); | |
| 1234 } | |
| 1235 return TRUE; | |
| 1236 } | |
| 1237 void CFWL_ListBoxImpDelegate::DispatchSelChangedEv() { | |
| 1238 CFWL_EvtLtbSelChanged ev; | |
| 1239 ev.m_pSrcTarget = m_pOwner->m_pInterface; | |
| 1240 m_pOwner->DispatchEvent(&ev); | |
| 1241 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master