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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_combobox.h" | |
| 8 | |
| 9 #include <algorithm> | |
| 10 #include <memory> | |
| 11 #include <utility> | |
| 12 | |
| 13 #include "third_party/base/ptr_util.h" | |
| 14 #include "xfa/fde/cfde_txtedtengine.h" | |
| 15 #include "xfa/fde/tto/fde_textout.h" | |
| 16 #include "xfa/fwl/core/cfwl_app.h" | |
| 17 #include "xfa/fwl/core/cfwl_event.h" | |
| 18 #include "xfa/fwl/core/cfwl_evtselectchanged.h" | |
| 19 #include "xfa/fwl/core/cfwl_evttextchanged.h" | |
| 20 #include "xfa/fwl/core/cfwl_formproxy.h" | |
| 21 #include "xfa/fwl/core/cfwl_listbox.h" | |
| 22 #include "xfa/fwl/core/cfwl_msgkey.h" | |
| 23 #include "xfa/fwl/core/cfwl_msgkillfocus.h" | |
| 24 #include "xfa/fwl/core/cfwl_msgmouse.h" | |
| 25 #include "xfa/fwl/core/cfwl_msgsetfocus.h" | |
| 26 #include "xfa/fwl/core/cfwl_notedriver.h" | |
| 27 #include "xfa/fwl/core/cfwl_themebackground.h" | |
| 28 #include "xfa/fwl/core/cfwl_themepart.h" | |
| 29 #include "xfa/fwl/core/cfwl_themetext.h" | |
| 30 #include "xfa/fwl/core/cfwl_widgetmgr.h" | |
| 31 #include "xfa/fwl/core/ifwl_themeprovider.h" | |
| 32 | |
| 33 CFWL_ComboBox::CFWL_ComboBox(const CFWL_App* app) | |
| 34 : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr), | |
| 35 m_pComboBoxProxy(nullptr), | |
| 36 m_bLButtonDown(false), | |
| 37 m_iCurSel(-1), | |
| 38 m_iBtnState(CFWL_PartState_Normal), | |
| 39 m_fComboFormHandler(0) { | |
| 40 m_rtClient.Reset(); | |
| 41 m_rtBtn.Reset(); | |
| 42 m_rtHandler.Reset(); | |
| 43 | |
| 44 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 45 DisForm_InitComboList(); | |
| 46 DisForm_InitComboEdit(); | |
| 47 return; | |
| 48 } | |
| 49 | |
| 50 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 51 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; | |
| 52 prop->m_dwStyles |= FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; | |
| 53 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemIconText) | |
| 54 prop->m_dwStyleExes |= FWL_STYLEEXT_LTB_Icon; | |
| 55 m_pListBox = | |
| 56 pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this); | |
| 57 | |
| 58 if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown) && !m_pEdit) { | |
| 59 m_pEdit.reset(new CFWL_ComboEdit( | |
| 60 m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), this)); | |
| 61 m_pEdit->SetOuter(this); | |
| 62 } | |
| 63 if (m_pEdit) | |
| 64 m_pEdit->SetParent(this); | |
| 65 | |
| 66 SetStates(m_pProperties->m_dwStates); | |
| 67 } | |
| 68 | |
| 69 CFWL_ComboBox::~CFWL_ComboBox() {} | |
| 70 | |
| 71 FWL_Type CFWL_ComboBox::GetClassID() const { | |
| 72 return FWL_Type::ComboBox; | |
| 73 } | |
| 74 | |
| 75 void CFWL_ComboBox::AddString(const CFX_WideStringC& wsText) { | |
| 76 m_pListBox->AddString(wsText); | |
| 77 } | |
| 78 | |
| 79 bool CFWL_ComboBox::RemoveAt(int32_t iIndex) { | |
| 80 return m_pListBox->RemoveAt(iIndex); | |
| 81 } | |
| 82 | |
| 83 void CFWL_ComboBox::RemoveAll() { | |
| 84 m_pListBox->DeleteAll(); | |
| 85 } | |
| 86 | |
| 87 void CFWL_ComboBox::ModifyStylesEx(uint32_t dwStylesExAdded, | |
| 88 uint32_t dwStylesExRemoved) { | |
| 89 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 90 DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 91 return; | |
| 92 } | |
| 93 | |
| 94 bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); | |
| 95 bool bRemoveDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown); | |
| 96 if (bAddDropDown && !m_pEdit) { | |
| 97 m_pEdit = pdfium::MakeUnique<CFWL_ComboEdit>( | |
| 98 m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr); | |
| 99 m_pEdit->SetOuter(this); | |
| 100 m_pEdit->SetParent(this); | |
| 101 } else if (bRemoveDropDown && m_pEdit) { | |
| 102 m_pEdit->SetStates(FWL_WGTSTATE_Invisible); | |
| 103 } | |
| 104 CFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 105 } | |
| 106 | |
| 107 void CFWL_ComboBox::Update() { | |
| 108 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 109 DisForm_Update(); | |
| 110 return; | |
| 111 } | |
| 112 if (IsLocked()) | |
| 113 return; | |
| 114 | |
| 115 ResetTheme(); | |
| 116 if (IsDropDownStyle() && m_pEdit) | |
| 117 ResetEditAlignment(); | |
| 118 if (!m_pProperties->m_pThemeProvider) | |
| 119 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 120 | |
| 121 Layout(); | |
| 122 CFWL_ThemePart part; | |
| 123 part.m_pWidget = this; | |
| 124 m_fComboFormHandler = | |
| 125 *static_cast<FX_FLOAT*>(m_pProperties->m_pThemeProvider->GetCapacity( | |
| 126 &part, CFWL_WidgetCapacity::ComboFormHandler)); | |
| 127 } | |
| 128 | |
| 129 FWL_WidgetHit CFWL_ComboBox::HitTest(FX_FLOAT fx, FX_FLOAT fy) { | |
| 130 if (m_pWidgetMgr->IsFormDisabled()) | |
| 131 return DisForm_HitTest(fx, fy); | |
| 132 return CFWL_Widget::HitTest(fx, fy); | |
| 133 } | |
| 134 | |
| 135 void CFWL_ComboBox::DrawWidget(CFX_Graphics* pGraphics, | |
| 136 const CFX_Matrix* pMatrix) { | |
| 137 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 138 DisForm_DrawWidget(pGraphics, pMatrix); | |
| 139 return; | |
| 140 } | |
| 141 | |
| 142 if (!pGraphics) | |
| 143 return; | |
| 144 if (!m_pProperties->m_pThemeProvider) | |
| 145 return; | |
| 146 | |
| 147 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 148 if (HasBorder()) | |
| 149 DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); | |
| 150 if (HasEdge()) | |
| 151 DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); | |
| 152 | |
| 153 if (!IsDropDownStyle()) { | |
| 154 CFX_RectF rtTextBk(m_rtClient); | |
| 155 rtTextBk.width -= m_rtBtn.width; | |
| 156 | |
| 157 CFWL_ThemeBackground param; | |
| 158 param.m_pWidget = this; | |
| 159 param.m_iPart = CFWL_Part::Background; | |
| 160 param.m_pGraphics = pGraphics; | |
| 161 if (pMatrix) | |
| 162 param.m_matrix.Concat(*pMatrix); | |
| 163 param.m_rtPart = rtTextBk; | |
| 164 | |
| 165 if (m_iCurSel >= 0) { | |
| 166 if (void* p = m_pListBox->GetItemData( | |
| 167 m_pListBox.get(), | |
| 168 m_pListBox->GetItem(m_pListBox.get(), m_iCurSel))) { | |
| 169 param.m_pData = p; | |
| 170 } | |
| 171 } | |
| 172 | |
| 173 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { | |
| 174 param.m_dwStates = CFWL_PartState_Disabled; | |
| 175 } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) && | |
| 176 (m_iCurSel >= 0)) { | |
| 177 param.m_dwStates = CFWL_PartState_Selected; | |
| 178 } else { | |
| 179 param.m_dwStates = CFWL_PartState_Normal; | |
| 180 } | |
| 181 pTheme->DrawBackground(¶m); | |
| 182 | |
| 183 if (m_iCurSel >= 0) { | |
| 184 if (!m_pListBox) | |
| 185 return; | |
| 186 | |
| 187 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 188 CFX_WideString wsText = m_pListBox->GetDataProviderItemText(hItem); | |
| 189 | |
| 190 CFWL_ThemeText theme_text; | |
| 191 theme_text.m_pWidget = this; | |
| 192 theme_text.m_iPart = CFWL_Part::Caption; | |
| 193 theme_text.m_dwStates = m_iBtnState; | |
| 194 theme_text.m_pGraphics = pGraphics; | |
| 195 theme_text.m_matrix.Concat(*pMatrix); | |
| 196 theme_text.m_rtPart = rtTextBk; | |
| 197 theme_text.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) | |
| 198 ? CFWL_PartState_Selected | |
| 199 : CFWL_PartState_Normal; | |
| 200 theme_text.m_wsText = wsText; | |
| 201 theme_text.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; | |
| 202 theme_text.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; | |
| 203 pTheme->DrawText(&theme_text); | |
| 204 } | |
| 205 } | |
| 206 | |
| 207 CFWL_ThemeBackground param; | |
| 208 param.m_pWidget = this; | |
| 209 param.m_iPart = CFWL_Part::DropDownButton; | |
| 210 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 211 ? CFWL_PartState_Disabled | |
| 212 : m_iBtnState; | |
| 213 param.m_pGraphics = pGraphics; | |
| 214 param.m_matrix.Concat(*pMatrix); | |
| 215 param.m_rtPart = m_rtBtn; | |
| 216 pTheme->DrawBackground(¶m); | |
| 217 } | |
| 218 | |
| 219 void CFWL_ComboBox::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { | |
| 220 if (!pThemeProvider) | |
| 221 return; | |
| 222 | |
| 223 m_pProperties->m_pThemeProvider = pThemeProvider; | |
| 224 if (m_pListBox) | |
| 225 m_pListBox->SetThemeProvider(pThemeProvider); | |
| 226 if (m_pEdit) | |
| 227 m_pEdit->SetThemeProvider(pThemeProvider); | |
| 228 } | |
| 229 | |
| 230 CFX_WideString CFWL_ComboBox::GetTextByIndex(int32_t iIndex) const { | |
| 231 CFWL_ListItem* pItem = static_cast<CFWL_ListItem*>( | |
| 232 m_pListBox->GetItem(m_pListBox.get(), iIndex)); | |
| 233 return pItem ? pItem->m_wsText : L""; | |
| 234 } | |
| 235 | |
| 236 void CFWL_ComboBox::SetCurSel(int32_t iSel) { | |
| 237 int32_t iCount = m_pListBox->CountItems(nullptr); | |
| 238 bool bClearSel = iSel < 0 || iSel >= iCount; | |
| 239 if (IsDropDownStyle() && m_pEdit) { | |
| 240 if (bClearSel) { | |
| 241 m_pEdit->SetText(CFX_WideString()); | |
| 242 } else { | |
| 243 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iSel); | |
| 244 CFX_WideString wsText = m_pListBox->GetDataProviderItemText(hItem); | |
| 245 m_pEdit->SetText(wsText); | |
| 246 } | |
| 247 m_pEdit->Update(); | |
| 248 } | |
| 249 m_iCurSel = bClearSel ? -1 : iSel; | |
| 250 } | |
| 251 | |
| 252 void CFWL_ComboBox::SetStates(uint32_t dwStates) { | |
| 253 if (IsDropDownStyle() && m_pEdit) | |
| 254 m_pEdit->SetStates(dwStates); | |
| 255 if (m_pListBox) | |
| 256 m_pListBox->SetStates(dwStates); | |
| 257 CFWL_Widget::SetStates(dwStates); | |
| 258 } | |
| 259 | |
| 260 void CFWL_ComboBox::RemoveStates(uint32_t dwStates) { | |
| 261 if (IsDropDownStyle() && m_pEdit) | |
| 262 m_pEdit->RemoveStates(dwStates); | |
| 263 if (m_pListBox) | |
| 264 m_pListBox->RemoveStates(dwStates); | |
| 265 CFWL_Widget::RemoveStates(dwStates); | |
| 266 } | |
| 267 | |
| 268 void CFWL_ComboBox::SetEditText(const CFX_WideString& wsText) { | |
| 269 if (!m_pEdit) | |
| 270 return; | |
| 271 | |
| 272 m_pEdit->SetText(wsText); | |
| 273 m_pEdit->Update(); | |
| 274 } | |
| 275 | |
| 276 CFX_WideString CFWL_ComboBox::GetEditText() const { | |
| 277 if (m_pEdit) | |
| 278 return m_pEdit->GetText(); | |
| 279 if (!m_pListBox) | |
| 280 return L""; | |
| 281 | |
| 282 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 283 return m_pListBox->GetDataProviderItemText(hItem); | |
| 284 } | |
| 285 | |
| 286 void CFWL_ComboBox::OpenDropDownList(bool bActivate) { | |
| 287 ShowDropList(bActivate); | |
| 288 } | |
| 289 | |
| 290 CFX_RectF CFWL_ComboBox::GetBBox() const { | |
| 291 if (m_pWidgetMgr->IsFormDisabled()) | |
| 292 return DisForm_GetBBox(); | |
| 293 | |
| 294 CFX_RectF rect = m_pProperties->m_rtWidget; | |
| 295 if (!m_pListBox || !IsDropListVisible()) | |
| 296 return rect; | |
| 297 | |
| 298 CFX_RectF rtList = m_pListBox->GetWidgetRect(); | |
| 299 rtList.Offset(rect.left, rect.top); | |
| 300 rect.Union(rtList); | |
| 301 return rect; | |
| 302 } | |
| 303 | |
| 304 void CFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded, | |
| 305 uint32_t dwStylesExRemoved) { | |
| 306 if (m_pEdit) | |
| 307 m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 308 } | |
| 309 | |
| 310 void CFWL_ComboBox::DrawStretchHandler(CFX_Graphics* pGraphics, | |
| 311 const CFX_Matrix* pMatrix) { | |
| 312 CFWL_ThemeBackground param; | |
| 313 param.m_pGraphics = pGraphics; | |
| 314 param.m_iPart = CFWL_Part::StretchHandler; | |
| 315 param.m_dwStates = CFWL_PartState_Normal; | |
| 316 param.m_pWidget = this; | |
| 317 if (pMatrix) | |
| 318 param.m_matrix.Concat(*pMatrix); | |
| 319 param.m_rtPart = m_rtHandler; | |
| 320 m_pProperties->m_pThemeProvider->DrawBackground(¶m); | |
| 321 } | |
| 322 | |
| 323 void CFWL_ComboBox::ShowDropList(bool bActivate) { | |
| 324 if (m_pWidgetMgr->IsFormDisabled()) | |
| 325 return DisForm_ShowDropList(bActivate); | |
| 326 if (IsDropListVisible() == bActivate) | |
| 327 return; | |
| 328 if (!m_pComboBoxProxy) | |
| 329 InitProxyForm(); | |
| 330 | |
| 331 m_pComboBoxProxy->Reset(); | |
| 332 if (!bActivate) { | |
| 333 m_pComboBoxProxy->EndDoModal(); | |
| 334 | |
| 335 m_bLButtonDown = false; | |
| 336 m_pListBox->SetNotifyOwner(true); | |
| 337 SetFocus(true); | |
| 338 return; | |
| 339 } | |
| 340 | |
| 341 m_pListBox->ChangeSelected(m_iCurSel); | |
| 342 ResetListItemAlignment(); | |
| 343 | |
| 344 uint32_t dwStyleAdd = m_pProperties->m_dwStyleExes & | |
| 345 (FWL_STYLEEXT_CMB_Sort | FWL_STYLEEXT_CMB_OwnerDraw); | |
| 346 m_pListBox->ModifyStylesEx(dwStyleAdd, 0); | |
| 347 m_rtList = m_pListBox->GetAutosizedWidgetRect(); | |
| 348 | |
| 349 CFX_RectF rtAnchor; | |
| 350 rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width, | |
| 351 m_pProperties->m_rtWidget.height); | |
| 352 | |
| 353 m_rtList.width = std::max(m_rtList.width, m_rtClient.width); | |
| 354 m_rtProxy = m_rtList; | |
| 355 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) | |
| 356 m_rtProxy.height += m_fComboFormHandler; | |
| 357 | |
| 358 GetPopupPos(0, m_rtProxy.height, rtAnchor, m_rtProxy); | |
| 359 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) { | |
| 360 FX_FLOAT fx = 0; | |
| 361 FX_FLOAT fy = m_rtClient.top + m_rtClient.height / 2; | |
| 362 TransformTo(nullptr, fx, fy); | |
| 363 | |
| 364 m_bUpFormHandler = fy > m_rtProxy.top; | |
| 365 if (m_bUpFormHandler) { | |
| 366 m_rtHandler.Set(0, 0, m_rtList.width, m_fComboFormHandler); | |
| 367 m_rtList.top = m_fComboFormHandler; | |
| 368 } else { | |
| 369 m_rtHandler.Set(0, m_rtList.height, m_rtList.width, m_fComboFormHandler); | |
| 370 } | |
| 371 } | |
| 372 m_pComboBoxProxy->SetWidgetRect(m_rtProxy); | |
| 373 m_pComboBoxProxy->Update(); | |
| 374 m_pListBox->SetWidgetRect(m_rtList); | |
| 375 m_pListBox->Update(); | |
| 376 | |
| 377 CFWL_Event ev(CFWL_Event::Type::PreDropDown, this); | |
| 378 DispatchEvent(&ev); | |
| 379 | |
| 380 m_fItemHeight = m_pListBox->GetItemHeight(); | |
| 381 m_pListBox->SetFocus(true); | |
| 382 m_pComboBoxProxy->DoModal(); | |
| 383 m_pListBox->SetFocus(false); | |
| 384 } | |
| 385 | |
| 386 void CFWL_ComboBox::MatchEditText() { | |
| 387 CFX_WideString wsText = m_pEdit->GetText(); | |
| 388 int32_t iMatch = m_pListBox->MatchItem(wsText); | |
| 389 if (iMatch != m_iCurSel) { | |
| 390 m_pListBox->ChangeSelected(iMatch); | |
| 391 if (iMatch >= 0) | |
| 392 SyncEditText(iMatch); | |
| 393 } else if (iMatch >= 0) { | |
| 394 m_pEdit->SetSelected(); | |
| 395 } | |
| 396 m_iCurSel = iMatch; | |
| 397 } | |
| 398 | |
| 399 void CFWL_ComboBox::SyncEditText(int32_t iListItem) { | |
| 400 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iListItem); | |
| 401 CFX_WideString wsText = m_pListBox->GetDataProviderItemText(hItem); | |
| 402 m_pEdit->SetText(wsText); | |
| 403 m_pEdit->Update(); | |
| 404 m_pEdit->SetSelected(); | |
| 405 } | |
| 406 | |
| 407 void CFWL_ComboBox::Layout() { | |
| 408 if (m_pWidgetMgr->IsFormDisabled()) | |
| 409 return DisForm_Layout(); | |
| 410 | |
| 411 GetClientRect(m_rtClient); | |
| 412 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( | |
| 413 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); | |
| 414 if (!pFWidth) | |
| 415 return; | |
| 416 | |
| 417 FX_FLOAT fBtn = *pFWidth; | |
| 418 m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn, | |
| 419 m_rtClient.height); | |
| 420 if (!IsDropDownStyle() || !m_pEdit) | |
| 421 return; | |
| 422 | |
| 423 CFX_RectF rtEdit; | |
| 424 rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn, | |
| 425 m_rtClient.height); | |
| 426 m_pEdit->SetWidgetRect(rtEdit); | |
| 427 | |
| 428 if (m_iCurSel >= 0) { | |
| 429 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 430 CFX_WideString wsText = m_pListBox->GetDataProviderItemText(hItem); | |
| 431 m_pEdit->LockUpdate(); | |
| 432 m_pEdit->SetText(wsText); | |
| 433 m_pEdit->UnlockUpdate(); | |
| 434 } | |
| 435 m_pEdit->Update(); | |
| 436 } | |
| 437 | |
| 438 void CFWL_ComboBox::ResetTheme() { | |
| 439 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 440 if (!pTheme) { | |
| 441 pTheme = GetAvailableTheme(); | |
| 442 m_pProperties->m_pThemeProvider = pTheme; | |
| 443 } | |
| 444 if (m_pListBox && !m_pListBox->GetThemeProvider()) | |
| 445 m_pListBox->SetThemeProvider(pTheme); | |
| 446 if (m_pEdit && !m_pEdit->GetThemeProvider()) | |
| 447 m_pEdit->SetThemeProvider(pTheme); | |
| 448 } | |
| 449 | |
| 450 void CFWL_ComboBox::ResetEditAlignment() { | |
| 451 if (!m_pEdit) | |
| 452 return; | |
| 453 | |
| 454 uint32_t dwAdd = 0; | |
| 455 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditHAlignMask) { | |
| 456 case FWL_STYLEEXT_CMB_EditHCenter: { | |
| 457 dwAdd |= FWL_STYLEEXT_EDT_HCenter; | |
| 458 break; | |
| 459 } | |
| 460 case FWL_STYLEEXT_CMB_EditHFar: { | |
| 461 dwAdd |= FWL_STYLEEXT_EDT_HFar; | |
| 462 break; | |
| 463 } | |
| 464 default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; } | |
| 465 } | |
| 466 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditVAlignMask) { | |
| 467 case FWL_STYLEEXT_CMB_EditVCenter: { | |
| 468 dwAdd |= FWL_STYLEEXT_EDT_VCenter; | |
| 469 break; | |
| 470 } | |
| 471 case FWL_STYLEEXT_CMB_EditVFar: { | |
| 472 dwAdd |= FWL_STYLEEXT_EDT_VFar; | |
| 473 break; | |
| 474 } | |
| 475 default: { | |
| 476 dwAdd |= FWL_STYLEEXT_EDT_VNear; | |
| 477 break; | |
| 478 } | |
| 479 } | |
| 480 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditJustified) | |
| 481 dwAdd |= FWL_STYLEEXT_EDT_Justified; | |
| 482 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditDistributed) | |
| 483 dwAdd |= FWL_STYLEEXT_EDT_Distributed; | |
| 484 | |
| 485 m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask | | |
| 486 FWL_STYLEEXT_EDT_HAlignModeMask | | |
| 487 FWL_STYLEEXT_EDT_VAlignMask); | |
| 488 } | |
| 489 | |
| 490 void CFWL_ComboBox::ResetListItemAlignment() { | |
| 491 if (!m_pListBox) | |
| 492 return; | |
| 493 | |
| 494 uint32_t dwAdd = 0; | |
| 495 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemAlignMask) { | |
| 496 case FWL_STYLEEXT_CMB_ListItemCenterAlign: { | |
| 497 dwAdd |= FWL_STYLEEXT_LTB_CenterAlign; | |
| 498 break; | |
| 499 } | |
| 500 case FWL_STYLEEXT_CMB_ListItemRightAlign: { | |
| 501 dwAdd |= FWL_STYLEEXT_LTB_RightAlign; | |
| 502 break; | |
| 503 } | |
| 504 default: { | |
| 505 dwAdd |= FWL_STYLEEXT_LTB_LeftAlign; | |
| 506 break; | |
| 507 } | |
| 508 } | |
| 509 m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask); | |
| 510 } | |
| 511 | |
| 512 void CFWL_ComboBox::ProcessSelChanged(bool bLButtonUp) { | |
| 513 m_iCurSel = m_pListBox->GetItemIndex(this, m_pListBox->GetSelItem(0)); | |
| 514 if (!IsDropDownStyle()) { | |
| 515 Repaint(&m_rtClient); | |
| 516 return; | |
| 517 } | |
| 518 | |
| 519 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 520 if (!hItem) | |
| 521 return; | |
| 522 | |
| 523 CFX_WideString wsText = m_pListBox->GetItemText(this, hItem); | |
| 524 if (m_pEdit) { | |
| 525 m_pEdit->SetText(wsText); | |
| 526 m_pEdit->Update(); | |
| 527 m_pEdit->SetSelected(); | |
| 528 } | |
| 529 | |
| 530 CFWL_EvtSelectChanged ev(this); | |
| 531 ev.bLButtonUp = bLButtonUp; | |
| 532 DispatchEvent(&ev); | |
| 533 } | |
| 534 | |
| 535 void CFWL_ComboBox::InitProxyForm() { | |
| 536 if (m_pComboBoxProxy) | |
| 537 return; | |
| 538 if (!m_pListBox) | |
| 539 return; | |
| 540 | |
| 541 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 542 prop->m_pOwner = this; | |
| 543 prop->m_dwStyles = FWL_WGTSTYLE_Popup; | |
| 544 prop->m_dwStates = FWL_WGTSTATE_Invisible; | |
| 545 | |
| 546 // TODO(dsinclair): Does this leak? I don't see a delete, but I'm not sure | |
| 547 // if the SetParent call is going to transfer ownership. | |
| 548 m_pComboBoxProxy = new CFWL_ComboBoxProxy(this, m_pOwnerApp, std::move(prop), | |
| 549 m_pListBox.get()); | |
| 550 m_pListBox->SetParent(m_pComboBoxProxy); | |
| 551 } | |
| 552 | |
| 553 void CFWL_ComboBox::DisForm_InitComboList() { | |
| 554 if (m_pListBox) | |
| 555 return; | |
| 556 | |
| 557 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 558 prop->m_pParent = this; | |
| 559 prop->m_dwStyles = FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; | |
| 560 prop->m_dwStates = FWL_WGTSTATE_Invisible; | |
| 561 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; | |
| 562 m_pListBox = | |
| 563 pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this); | |
| 564 } | |
| 565 | |
| 566 void CFWL_ComboBox::DisForm_InitComboEdit() { | |
| 567 if (m_pEdit) | |
| 568 return; | |
| 569 | |
| 570 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 571 prop->m_pParent = this; | |
| 572 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; | |
| 573 | |
| 574 m_pEdit = | |
| 575 pdfium::MakeUnique<CFWL_ComboEdit>(m_pOwnerApp, std::move(prop), this); | |
| 576 m_pEdit->SetOuter(this); | |
| 577 } | |
| 578 | |
| 579 void CFWL_ComboBox::DisForm_ShowDropList(bool bActivate) { | |
| 580 if (DisForm_IsDropListVisible() == bActivate) | |
| 581 return; | |
| 582 | |
| 583 if (bActivate) { | |
| 584 CFWL_Event preEvent(CFWL_Event::Type::PreDropDown, this); | |
| 585 DispatchEvent(&preEvent); | |
| 586 | |
| 587 CFWL_ComboList* pComboList = m_pListBox.get(); | |
| 588 int32_t iItems = pComboList->CountItems(nullptr); | |
| 589 if (iItems < 1) | |
| 590 return; | |
| 591 | |
| 592 ResetListItemAlignment(); | |
| 593 pComboList->ChangeSelected(m_iCurSel); | |
| 594 | |
| 595 FX_FLOAT fItemHeight = pComboList->CalcItemHeight(); | |
| 596 FX_FLOAT fBorder = GetBorderSize(true); | |
| 597 FX_FLOAT fPopupMin = 0.0f; | |
| 598 if (iItems > 3) | |
| 599 fPopupMin = fItemHeight * 3 + fBorder * 2; | |
| 600 | |
| 601 FX_FLOAT fPopupMax = fItemHeight * iItems + fBorder * 2; | |
| 602 CFX_RectF rtList; | |
| 603 rtList.left = m_rtClient.left; | |
| 604 rtList.width = m_pProperties->m_rtWidget.width; | |
| 605 rtList.top = 0; | |
| 606 rtList.height = 0; | |
| 607 GetPopupPos(fPopupMin, fPopupMax, m_pProperties->m_rtWidget, rtList); | |
| 608 | |
| 609 m_pListBox->SetWidgetRect(rtList); | |
| 610 m_pListBox->Update(); | |
| 611 } else { | |
| 612 SetFocus(true); | |
| 613 } | |
| 614 | |
| 615 if (bActivate) { | |
| 616 m_pListBox->RemoveStates(FWL_WGTSTATE_Invisible); | |
| 617 CFWL_Event postEvent(CFWL_Event::Type::PostDropDown, this); | |
| 618 DispatchEvent(&postEvent); | |
| 619 } else { | |
| 620 m_pListBox->SetStates(FWL_WGTSTATE_Invisible); | |
| 621 } | |
| 622 | |
| 623 CFX_RectF rect = m_pListBox->GetWidgetRect(); | |
| 624 rect.Inflate(2, 2); | |
| 625 Repaint(&rect); | |
| 626 } | |
| 627 | |
| 628 void CFWL_ComboBox::DisForm_ModifyStylesEx(uint32_t dwStylesExAdded, | |
| 629 uint32_t dwStylesExRemoved) { | |
| 630 if (!m_pEdit) | |
| 631 DisForm_InitComboEdit(); | |
| 632 | |
| 633 bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); | |
| 634 bool bDelDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown); | |
| 635 | |
| 636 dwStylesExRemoved &= ~FWL_STYLEEXT_CMB_DropDown; | |
| 637 m_pProperties->m_dwStyleExes |= FWL_STYLEEXT_CMB_DropDown; | |
| 638 | |
| 639 if (bAddDropDown) | |
| 640 m_pEdit->ModifyStylesEx(0, FWL_STYLEEXT_EDT_ReadOnly); | |
| 641 else if (bDelDropDown) | |
| 642 m_pEdit->ModifyStylesEx(FWL_STYLEEXT_EDT_ReadOnly, 0); | |
| 643 CFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 644 } | |
| 645 | |
| 646 void CFWL_ComboBox::DisForm_Update() { | |
| 647 if (m_iLock) | |
| 648 return; | |
| 649 if (m_pEdit) | |
| 650 ResetEditAlignment(); | |
| 651 ResetTheme(); | |
| 652 Layout(); | |
| 653 } | |
| 654 | |
| 655 FWL_WidgetHit CFWL_ComboBox::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) { | |
| 656 CFX_RectF rect; | |
| 657 rect.Set(0, 0, m_pProperties->m_rtWidget.width - m_rtBtn.width, | |
| 658 m_pProperties->m_rtWidget.height); | |
| 659 if (rect.Contains(fx, fy)) | |
| 660 return FWL_WidgetHit::Edit; | |
| 661 if (m_rtBtn.Contains(fx, fy)) | |
| 662 return FWL_WidgetHit::Client; | |
| 663 if (DisForm_IsDropListVisible()) { | |
| 664 rect = m_pListBox->GetWidgetRect(); | |
| 665 if (rect.Contains(fx, fy)) | |
| 666 return FWL_WidgetHit::Client; | |
| 667 } | |
| 668 return FWL_WidgetHit::Unknown; | |
| 669 } | |
| 670 | |
| 671 void CFWL_ComboBox::DisForm_DrawWidget(CFX_Graphics* pGraphics, | |
| 672 const CFX_Matrix* pMatrix) { | |
| 673 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 674 CFX_Matrix mtOrg; | |
| 675 mtOrg.Set(1, 0, 0, 1, 0, 0); | |
| 676 if (pMatrix) | |
| 677 mtOrg = *pMatrix; | |
| 678 | |
| 679 pGraphics->SaveGraphState(); | |
| 680 pGraphics->ConcatMatrix(&mtOrg); | |
| 681 if (!m_rtBtn.IsEmpty(0.1f)) { | |
| 682 CFWL_ThemeBackground param; | |
| 683 param.m_pWidget = this; | |
| 684 param.m_iPart = CFWL_Part::DropDownButton; | |
| 685 param.m_dwStates = m_iBtnState; | |
| 686 param.m_pGraphics = pGraphics; | |
| 687 param.m_rtPart = m_rtBtn; | |
| 688 pTheme->DrawBackground(¶m); | |
| 689 } | |
| 690 pGraphics->RestoreGraphState(); | |
| 691 | |
| 692 if (m_pEdit) { | |
| 693 CFX_RectF rtEdit = m_pEdit->GetWidgetRect(); | |
| 694 CFX_Matrix mt; | |
| 695 mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top); | |
| 696 mt.Concat(mtOrg); | |
| 697 m_pEdit->DrawWidget(pGraphics, &mt); | |
| 698 } | |
| 699 if (m_pListBox && DisForm_IsDropListVisible()) { | |
| 700 CFX_RectF rtList = m_pListBox->GetWidgetRect(); | |
| 701 CFX_Matrix mt; | |
| 702 mt.Set(1, 0, 0, 1, rtList.left, rtList.top); | |
| 703 mt.Concat(mtOrg); | |
| 704 m_pListBox->DrawWidget(pGraphics, &mt); | |
| 705 } | |
| 706 } | |
| 707 | |
| 708 CFX_RectF CFWL_ComboBox::DisForm_GetBBox() const { | |
| 709 CFX_RectF rect = m_pProperties->m_rtWidget; | |
| 710 if (!m_pListBox || !DisForm_IsDropListVisible()) | |
| 711 return rect; | |
| 712 | |
| 713 CFX_RectF rtList = m_pListBox->GetWidgetRect(); | |
| 714 rtList.Offset(rect.left, rect.top); | |
| 715 rect.Union(rtList); | |
| 716 return rect; | |
| 717 } | |
| 718 | |
| 719 void CFWL_ComboBox::DisForm_Layout() { | |
| 720 GetClientRect(m_rtClient); | |
| 721 m_rtContent = m_rtClient; | |
| 722 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( | |
| 723 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); | |
| 724 if (!pFWidth) | |
| 725 return; | |
| 726 | |
| 727 FX_FLOAT borderWidth = 1; | |
| 728 FX_FLOAT fBtn = *pFWidth; | |
| 729 if (!(GetStylesEx() & FWL_STYLEEXT_CMB_ReadOnly)) { | |
| 730 m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top + borderWidth, | |
| 731 fBtn - borderWidth, m_rtClient.height - 2 * borderWidth); | |
| 732 } | |
| 733 | |
| 734 CFX_RectF* pUIMargin = | |
| 735 static_cast<CFX_RectF*>(GetThemeCapacity(CFWL_WidgetCapacity::UIMargin)); | |
| 736 if (pUIMargin) { | |
| 737 m_rtContent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width, | |
| 738 pUIMargin->height); | |
| 739 } | |
| 740 | |
| 741 if (!IsDropDownStyle() || !m_pEdit) | |
| 742 return; | |
| 743 | |
| 744 CFX_RectF rtEdit; | |
| 745 rtEdit.Set(m_rtContent.left, m_rtContent.top, m_rtContent.width - fBtn, | |
| 746 m_rtContent.height); | |
| 747 m_pEdit->SetWidgetRect(rtEdit); | |
| 748 | |
| 749 if (m_iCurSel >= 0) { | |
| 750 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 751 CFX_WideString wsText = m_pListBox->GetDataProviderItemText(hItem); | |
| 752 m_pEdit->LockUpdate(); | |
| 753 m_pEdit->SetText(wsText); | |
| 754 m_pEdit->UnlockUpdate(); | |
| 755 } | |
| 756 m_pEdit->Update(); | |
| 757 } | |
| 758 | |
| 759 void CFWL_ComboBox::OnProcessMessage(CFWL_Message* pMessage) { | |
| 760 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 761 DisForm_OnProcessMessage(pMessage); | |
| 762 return; | |
| 763 } | |
| 764 if (!pMessage) | |
| 765 return; | |
| 766 | |
| 767 switch (pMessage->GetType()) { | |
| 768 case CFWL_Message::Type::SetFocus: | |
| 769 OnFocusChanged(pMessage, true); | |
| 770 break; | |
| 771 case CFWL_Message::Type::KillFocus: | |
| 772 OnFocusChanged(pMessage, false); | |
| 773 break; | |
| 774 case CFWL_Message::Type::Mouse: { | |
| 775 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 776 switch (pMsg->m_dwCmd) { | |
| 777 case FWL_MouseCommand::LeftButtonDown: | |
| 778 OnLButtonDown(pMsg); | |
| 779 break; | |
| 780 case FWL_MouseCommand::LeftButtonUp: | |
| 781 OnLButtonUp(pMsg); | |
| 782 break; | |
| 783 case FWL_MouseCommand::Move: | |
| 784 OnMouseMove(pMsg); | |
| 785 break; | |
| 786 case FWL_MouseCommand::Leave: | |
| 787 OnMouseLeave(pMsg); | |
| 788 break; | |
| 789 default: | |
| 790 break; | |
| 791 } | |
| 792 break; | |
| 793 } | |
| 794 case CFWL_Message::Type::Key: | |
| 795 OnKey(static_cast<CFWL_MsgKey*>(pMessage)); | |
| 796 break; | |
| 797 default: | |
| 798 break; | |
| 799 } | |
| 800 | |
| 801 CFWL_Widget::OnProcessMessage(pMessage); | |
| 802 } | |
| 803 | |
| 804 void CFWL_ComboBox::OnProcessEvent(CFWL_Event* pEvent) { | |
| 805 CFWL_Event::Type type = pEvent->GetType(); | |
| 806 if (type == CFWL_Event::Type::Scroll) { | |
| 807 CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent); | |
| 808 CFWL_EvtScroll pScrollEv(this); | |
| 809 pScrollEv.m_iScrollCode = pScrollEvent->m_iScrollCode; | |
| 810 pScrollEv.m_fPos = pScrollEvent->m_fPos; | |
| 811 DispatchEvent(&pScrollEv); | |
| 812 } else if (type == CFWL_Event::Type::TextChanged) { | |
| 813 CFWL_Event pTemp(CFWL_Event::Type::EditChanged, this); | |
| 814 DispatchEvent(&pTemp); | |
| 815 } | |
| 816 } | |
| 817 | |
| 818 void CFWL_ComboBox::OnDrawWidget(CFX_Graphics* pGraphics, | |
| 819 const CFX_Matrix* pMatrix) { | |
| 820 DrawWidget(pGraphics, pMatrix); | |
| 821 } | |
| 822 | |
| 823 void CFWL_ComboBox::OnFocusChanged(CFWL_Message* pMsg, bool bSet) { | |
| 824 if (bSet) { | |
| 825 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; | |
| 826 if (IsDropDownStyle() && pMsg->m_pSrcTarget != m_pListBox.get()) { | |
| 827 if (!m_pEdit) | |
| 828 return; | |
| 829 m_pEdit->SetSelected(); | |
| 830 return; | |
| 831 } | |
| 832 | |
| 833 Repaint(&m_rtClient); | |
| 834 return; | |
| 835 } | |
| 836 | |
| 837 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; | |
| 838 if (!IsDropDownStyle() || pMsg->m_pDstTarget == m_pListBox.get()) { | |
| 839 Repaint(&m_rtClient); | |
| 840 return; | |
| 841 } | |
| 842 if (!m_pEdit) | |
| 843 return; | |
| 844 | |
| 845 m_pEdit->FlagFocus(false); | |
| 846 m_pEdit->ClearSelected(); | |
| 847 } | |
| 848 | |
| 849 void CFWL_ComboBox::OnLButtonDown(CFWL_MsgMouse* pMsg) { | |
| 850 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 851 return; | |
| 852 | |
| 853 CFX_RectF& rtBtn = IsDropDownStyle() ? m_rtBtn : m_rtClient; | |
| 854 if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 855 return; | |
| 856 | |
| 857 if (IsDropDownStyle() && m_pEdit) | |
| 858 MatchEditText(); | |
| 859 | |
| 860 m_bLButtonDown = true; | |
| 861 m_iBtnState = CFWL_PartState_Pressed; | |
| 862 Repaint(&m_rtClient); | |
| 863 | |
| 864 ShowDropList(true); | |
| 865 m_iBtnState = CFWL_PartState_Normal; | |
| 866 Repaint(&m_rtClient); | |
| 867 } | |
| 868 | |
| 869 void CFWL_ComboBox::OnLButtonUp(CFWL_MsgMouse* pMsg) { | |
| 870 m_bLButtonDown = false; | |
| 871 if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 872 m_iBtnState = CFWL_PartState_Hovered; | |
| 873 else | |
| 874 m_iBtnState = CFWL_PartState_Normal; | |
| 875 | |
| 876 Repaint(&m_rtBtn); | |
| 877 } | |
| 878 | |
| 879 void CFWL_ComboBox::OnMouseMove(CFWL_MsgMouse* pMsg) { | |
| 880 int32_t iOldState = m_iBtnState; | |
| 881 if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 882 m_iBtnState = | |
| 883 m_bLButtonDown ? CFWL_PartState_Pressed : CFWL_PartState_Hovered; | |
| 884 } else { | |
| 885 m_iBtnState = CFWL_PartState_Normal; | |
| 886 } | |
| 887 if ((iOldState != m_iBtnState) && | |
| 888 !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == | |
| 889 FWL_WGTSTATE_Disabled)) { | |
| 890 Repaint(&m_rtBtn); | |
| 891 } | |
| 892 } | |
| 893 | |
| 894 void CFWL_ComboBox::OnMouseLeave(CFWL_MsgMouse* pMsg) { | |
| 895 if (!IsDropListVisible() && | |
| 896 !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == | |
| 897 FWL_WGTSTATE_Disabled)) { | |
| 898 m_iBtnState = CFWL_PartState_Normal; | |
| 899 Repaint(&m_rtBtn); | |
| 900 } | |
| 901 } | |
| 902 | |
| 903 void CFWL_ComboBox::OnKey(CFWL_MsgKey* pMsg) { | |
| 904 uint32_t dwKeyCode = pMsg->m_dwKeyCode; | |
| 905 if (dwKeyCode == FWL_VKEY_Tab) | |
| 906 return; | |
| 907 if (pMsg->m_pDstTarget == this) | |
| 908 DoSubCtrlKey(pMsg); | |
| 909 } | |
| 910 | |
| 911 void CFWL_ComboBox::DoSubCtrlKey(CFWL_MsgKey* pMsg) { | |
| 912 uint32_t dwKeyCode = pMsg->m_dwKeyCode; | |
| 913 const bool bUp = dwKeyCode == FWL_VKEY_Up; | |
| 914 const bool bDown = dwKeyCode == FWL_VKEY_Down; | |
| 915 if (bUp || bDown) { | |
| 916 int32_t iCount = m_pListBox->CountItems(nullptr); | |
| 917 if (iCount < 1) | |
| 918 return; | |
| 919 | |
| 920 bool bMatchEqual = false; | |
| 921 int32_t iCurSel = m_iCurSel; | |
| 922 bool bDropDown = IsDropDownStyle(); | |
| 923 if (bDropDown && m_pEdit) { | |
| 924 CFX_WideString wsText = m_pEdit->GetText(); | |
| 925 iCurSel = m_pListBox->MatchItem(wsText); | |
| 926 if (iCurSel >= 0) { | |
| 927 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iCurSel); | |
| 928 CFX_WideString wsTemp = m_pListBox->GetDataProviderItemText(hItem); | |
| 929 bMatchEqual = wsText == wsTemp; | |
| 930 } | |
| 931 } | |
| 932 if (iCurSel < 0) { | |
| 933 iCurSel = 0; | |
| 934 } else if (!bDropDown || bMatchEqual) { | |
| 935 if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) | |
| 936 return; | |
| 937 if (bUp) | |
| 938 iCurSel--; | |
| 939 else | |
| 940 iCurSel++; | |
| 941 } | |
| 942 m_iCurSel = iCurSel; | |
| 943 if (bDropDown && m_pEdit) | |
| 944 SyncEditText(m_iCurSel); | |
| 945 else | |
| 946 Repaint(&m_rtClient); | |
| 947 return; | |
| 948 } | |
| 949 | |
| 950 if (IsDropDownStyle()) | |
| 951 m_pEdit->GetDelegate()->OnProcessMessage(pMsg); | |
| 952 } | |
| 953 | |
| 954 void CFWL_ComboBox::DisForm_OnProcessMessage(CFWL_Message* pMessage) { | |
| 955 if (!pMessage) | |
| 956 return; | |
| 957 | |
| 958 bool backDefault = true; | |
| 959 switch (pMessage->GetType()) { | |
| 960 case CFWL_Message::Type::SetFocus: { | |
| 961 backDefault = false; | |
| 962 DisForm_OnFocusChanged(pMessage, true); | |
| 963 break; | |
| 964 } | |
| 965 case CFWL_Message::Type::KillFocus: { | |
| 966 backDefault = false; | |
| 967 DisForm_OnFocusChanged(pMessage, false); | |
| 968 break; | |
| 969 } | |
| 970 case CFWL_Message::Type::Mouse: { | |
| 971 backDefault = false; | |
| 972 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 973 switch (pMsg->m_dwCmd) { | |
| 974 case FWL_MouseCommand::LeftButtonDown: | |
| 975 DisForm_OnLButtonDown(pMsg); | |
| 976 break; | |
| 977 case FWL_MouseCommand::LeftButtonUp: | |
| 978 OnLButtonUp(pMsg); | |
| 979 break; | |
| 980 default: | |
| 981 break; | |
| 982 } | |
| 983 break; | |
| 984 } | |
| 985 case CFWL_Message::Type::Key: { | |
| 986 backDefault = false; | |
| 987 CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage); | |
| 988 if (pKey->m_dwCmd == FWL_KeyCommand::KeyUp) | |
| 989 break; | |
| 990 if (DisForm_IsDropListVisible() && | |
| 991 pKey->m_dwCmd == FWL_KeyCommand::KeyDown) { | |
| 992 bool bListKey = pKey->m_dwKeyCode == FWL_VKEY_Up || | |
| 993 pKey->m_dwKeyCode == FWL_VKEY_Down || | |
| 994 pKey->m_dwKeyCode == FWL_VKEY_Return || | |
| 995 pKey->m_dwKeyCode == FWL_VKEY_Escape; | |
| 996 if (bListKey) { | |
| 997 m_pListBox->GetDelegate()->OnProcessMessage(pMessage); | |
| 998 break; | |
| 999 } | |
| 1000 } | |
| 1001 DisForm_OnKey(pKey); | |
| 1002 break; | |
| 1003 } | |
| 1004 default: | |
| 1005 break; | |
| 1006 } | |
| 1007 if (backDefault) | |
| 1008 CFWL_Widget::OnProcessMessage(pMessage); | |
| 1009 } | |
| 1010 | |
| 1011 void CFWL_ComboBox::DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg) { | |
| 1012 bool bDropDown = DisForm_IsDropListVisible(); | |
| 1013 CFX_RectF& rtBtn = bDropDown ? m_rtBtn : m_rtClient; | |
| 1014 if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 1015 return; | |
| 1016 | |
| 1017 if (DisForm_IsDropListVisible()) { | |
| 1018 DisForm_ShowDropList(false); | |
| 1019 return; | |
| 1020 } | |
| 1021 if (m_pEdit) | |
| 1022 MatchEditText(); | |
| 1023 DisForm_ShowDropList(true); | |
| 1024 } | |
| 1025 | |
| 1026 void CFWL_ComboBox::DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet) { | |
| 1027 if (bSet) { | |
| 1028 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; | |
| 1029 if ((m_pEdit->GetStates() & FWL_WGTSTATE_Focused) == 0) { | |
| 1030 CFWL_MsgSetFocus msg(nullptr, m_pEdit.get()); | |
| 1031 m_pEdit->GetDelegate()->OnProcessMessage(&msg); | |
| 1032 } | |
| 1033 } else { | |
| 1034 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; | |
| 1035 DisForm_ShowDropList(false); | |
| 1036 CFWL_MsgKillFocus msg(m_pEdit.get()); | |
| 1037 m_pEdit->GetDelegate()->OnProcessMessage(&msg); | |
| 1038 } | |
| 1039 } | |
| 1040 | |
| 1041 void CFWL_ComboBox::DisForm_OnKey(CFWL_MsgKey* pMsg) { | |
| 1042 uint32_t dwKeyCode = pMsg->m_dwKeyCode; | |
| 1043 const bool bUp = dwKeyCode == FWL_VKEY_Up; | |
| 1044 const bool bDown = dwKeyCode == FWL_VKEY_Down; | |
| 1045 if (bUp || bDown) { | |
| 1046 CFWL_ComboList* pComboList = m_pListBox.get(); | |
| 1047 int32_t iCount = pComboList->CountItems(nullptr); | |
| 1048 if (iCount < 1) | |
| 1049 return; | |
| 1050 | |
| 1051 bool bMatchEqual = false; | |
| 1052 int32_t iCurSel = m_iCurSel; | |
| 1053 if (m_pEdit) { | |
| 1054 CFX_WideString wsText = m_pEdit->GetText(); | |
| 1055 iCurSel = pComboList->MatchItem(wsText); | |
| 1056 if (iCurSel >= 0) { | |
| 1057 CFWL_ListItem* item = m_pListBox->GetSelItem(iCurSel); | |
| 1058 CFX_WideString wsTemp = m_pListBox->GetDataProviderItemText(item); | |
| 1059 bMatchEqual = wsText == wsTemp; | |
| 1060 } | |
| 1061 } | |
| 1062 if (iCurSel < 0) { | |
| 1063 iCurSel = 0; | |
| 1064 } else if (bMatchEqual) { | |
| 1065 if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) | |
| 1066 return; | |
| 1067 if (bUp) | |
| 1068 iCurSel--; | |
| 1069 else | |
| 1070 iCurSel++; | |
| 1071 } | |
| 1072 m_iCurSel = iCurSel; | |
| 1073 SyncEditText(m_iCurSel); | |
| 1074 return; | |
| 1075 } | |
| 1076 if (m_pEdit) | |
| 1077 m_pEdit->GetDelegate()->OnProcessMessage(pMsg); | |
| 1078 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2559173002:
Move xfa/fwl/core to xfa/fwl. (Closed)
