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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_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_evteditchanged.h" | |
| 18 #include "xfa/fwl/core/cfwl_evtpostdropdown.h" | |
| 19 #include "xfa/fwl/core/cfwl_evtpredropdown.h" | |
| 20 #include "xfa/fwl/core/cfwl_evtselectchanged.h" | |
| 21 #include "xfa/fwl/core/cfwl_evttextchanged.h" | |
| 22 #include "xfa/fwl/core/cfwl_formproxy.h" | |
| 23 #include "xfa/fwl/core/cfwl_msgkey.h" | |
| 24 #include "xfa/fwl/core/cfwl_msgkillfocus.h" | |
| 25 #include "xfa/fwl/core/cfwl_msgmouse.h" | |
| 26 #include "xfa/fwl/core/cfwl_msgsetfocus.h" | |
| 27 #include "xfa/fwl/core/cfwl_notedriver.h" | |
| 28 #include "xfa/fwl/core/cfwl_themebackground.h" | |
| 29 #include "xfa/fwl/core/cfwl_themepart.h" | |
| 30 #include "xfa/fwl/core/cfwl_themetext.h" | |
| 31 #include "xfa/fwl/core/cfwl_widgetmgr.h" | |
| 32 #include "xfa/fwl/core/ifwl_listbox.h" | |
| 33 #include "xfa/fwl/core/ifwl_themeprovider.h" | |
| 34 | |
| 35 IFWL_ComboBox::IFWL_ComboBox(const CFWL_App* app, | |
| 36 std::unique_ptr<CFWL_WidgetProperties> properties) | |
| 37 : IFWL_Widget(app, std::move(properties), nullptr), | |
| 38 m_pComboBoxProxy(nullptr), | |
| 39 m_bLButtonDown(false), | |
| 40 m_iCurSel(-1), | |
| 41 m_iBtnState(CFWL_PartState_Normal), | |
| 42 m_fComboFormHandler(0) { | |
| 43 m_rtClient.Reset(); | |
| 44 m_rtBtn.Reset(); | |
| 45 m_rtHandler.Reset(); | |
| 46 | |
| 47 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 48 DisForm_InitComboList(); | |
| 49 DisForm_InitComboEdit(); | |
| 50 return; | |
| 51 } | |
| 52 | |
| 53 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 54 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; | |
| 55 prop->m_dwStyles |= FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; | |
| 56 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemIconText) | |
| 57 prop->m_dwStyleExes |= FWL_STYLEEXT_LTB_Icon; | |
| 58 m_pListBox = | |
| 59 pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this); | |
| 60 | |
| 61 if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown) && !m_pEdit) { | |
| 62 m_pEdit.reset(new CFWL_ComboEdit( | |
| 63 m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), this)); | |
| 64 m_pEdit->SetOuter(this); | |
| 65 } | |
| 66 if (m_pEdit) | |
| 67 m_pEdit->SetParent(this); | |
| 68 | |
| 69 SetStates(m_pProperties->m_dwStates); | |
| 70 } | |
| 71 | |
| 72 IFWL_ComboBox::~IFWL_ComboBox() {} | |
| 73 | |
| 74 FWL_Type IFWL_ComboBox::GetClassID() const { | |
| 75 return FWL_Type::ComboBox; | |
| 76 } | |
| 77 | |
| 78 void IFWL_ComboBox::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) { | |
| 79 if (!bAutoSize) { | |
| 80 rect = m_pProperties->m_rtWidget; | |
| 81 return; | |
| 82 } | |
| 83 | |
| 84 rect.Reset(); | |
| 85 if (IsDropDownStyle() && m_pEdit) { | |
| 86 m_pEdit->GetWidgetRect(rect, true); | |
| 87 } else { | |
| 88 rect.width = 100; | |
| 89 rect.height = 16; | |
| 90 } | |
| 91 if (!m_pProperties->m_pThemeProvider) | |
| 92 ResetTheme(); | |
| 93 | |
| 94 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( | |
| 95 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); | |
| 96 if (!pFWidth) | |
| 97 return; | |
| 98 | |
| 99 rect.Inflate(0, 0, *pFWidth, 0); | |
| 100 IFWL_Widget::GetWidgetRect(rect, true); | |
| 101 } | |
| 102 | |
| 103 void IFWL_ComboBox::AddString(const CFX_WideStringC& wsText) { | |
| 104 m_pListBox->AddString(wsText); | |
| 105 } | |
| 106 | |
| 107 bool IFWL_ComboBox::RemoveAt(int32_t iIndex) { | |
| 108 return m_pListBox->RemoveAt(iIndex); | |
| 109 } | |
| 110 | |
| 111 void IFWL_ComboBox::RemoveAll() { | |
| 112 m_pListBox->DeleteAll(); | |
| 113 } | |
| 114 | |
| 115 void IFWL_ComboBox::ModifyStylesEx(uint32_t dwStylesExAdded, | |
| 116 uint32_t dwStylesExRemoved) { | |
| 117 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 118 DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 119 return; | |
| 120 } | |
| 121 | |
| 122 bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); | |
| 123 bool bRemoveDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown); | |
| 124 if (bAddDropDown && !m_pEdit) { | |
| 125 m_pEdit = pdfium::MakeUnique<CFWL_ComboEdit>( | |
| 126 m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr); | |
| 127 m_pEdit->SetOuter(this); | |
| 128 m_pEdit->SetParent(this); | |
| 129 } else if (bRemoveDropDown && m_pEdit) { | |
| 130 m_pEdit->SetStates(FWL_WGTSTATE_Invisible, true); | |
| 131 } | |
| 132 IFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 133 } | |
| 134 | |
| 135 void IFWL_ComboBox::Update() { | |
| 136 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 137 DisForm_Update(); | |
| 138 return; | |
| 139 } | |
| 140 if (IsLocked()) | |
| 141 return; | |
| 142 | |
| 143 ResetTheme(); | |
| 144 if (IsDropDownStyle() && m_pEdit) | |
| 145 ResetEditAlignment(); | |
| 146 if (!m_pProperties->m_pThemeProvider) | |
| 147 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 148 | |
| 149 Layout(); | |
| 150 CFWL_ThemePart part; | |
| 151 part.m_pWidget = this; | |
| 152 m_fComboFormHandler = | |
| 153 *static_cast<FX_FLOAT*>(m_pProperties->m_pThemeProvider->GetCapacity( | |
| 154 &part, CFWL_WidgetCapacity::ComboFormHandler)); | |
| 155 } | |
| 156 | |
| 157 FWL_WidgetHit IFWL_ComboBox::HitTest(FX_FLOAT fx, FX_FLOAT fy) { | |
| 158 if (m_pWidgetMgr->IsFormDisabled()) | |
| 159 return DisForm_HitTest(fx, fy); | |
| 160 return IFWL_Widget::HitTest(fx, fy); | |
| 161 } | |
| 162 | |
| 163 void IFWL_ComboBox::DrawWidget(CFX_Graphics* pGraphics, | |
| 164 const CFX_Matrix* pMatrix) { | |
| 165 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 166 DisForm_DrawWidget(pGraphics, pMatrix); | |
| 167 return; | |
| 168 } | |
| 169 | |
| 170 if (!pGraphics) | |
| 171 return; | |
| 172 if (!m_pProperties->m_pThemeProvider) | |
| 173 return; | |
| 174 | |
| 175 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 176 if (HasBorder()) | |
| 177 DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); | |
| 178 if (HasEdge()) | |
| 179 DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); | |
| 180 | |
| 181 if (!IsDropDownStyle()) { | |
| 182 CFX_RectF rtTextBk(m_rtClient); | |
| 183 rtTextBk.width -= m_rtBtn.width; | |
| 184 | |
| 185 CFWL_ThemeBackground param; | |
| 186 param.m_pWidget = this; | |
| 187 param.m_iPart = CFWL_Part::Background; | |
| 188 param.m_pGraphics = pGraphics; | |
| 189 if (pMatrix) | |
| 190 param.m_matrix.Concat(*pMatrix); | |
| 191 param.m_rtPart = rtTextBk; | |
| 192 | |
| 193 if (m_iCurSel >= 0) { | |
| 194 if (void* p = m_pListBox->GetItemData( | |
| 195 m_pListBox.get(), | |
| 196 m_pListBox->GetItem(m_pListBox.get(), m_iCurSel))) { | |
| 197 param.m_pData = p; | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { | |
| 202 param.m_dwStates = CFWL_PartState_Disabled; | |
| 203 } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) && | |
| 204 (m_iCurSel >= 0)) { | |
| 205 param.m_dwStates = CFWL_PartState_Selected; | |
| 206 } else { | |
| 207 param.m_dwStates = CFWL_PartState_Normal; | |
| 208 } | |
| 209 pTheme->DrawBackground(¶m); | |
| 210 | |
| 211 if (m_iCurSel >= 0) { | |
| 212 if (!m_pListBox) | |
| 213 return; | |
| 214 | |
| 215 CFX_WideString wsText; | |
| 216 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 217 m_pListBox->GetDataProviderItemText(hItem, wsText); | |
| 218 | |
| 219 CFWL_ThemeText theme_text; | |
| 220 theme_text.m_pWidget = this; | |
| 221 theme_text.m_iPart = CFWL_Part::Caption; | |
| 222 theme_text.m_dwStates = m_iBtnState; | |
| 223 theme_text.m_pGraphics = pGraphics; | |
| 224 theme_text.m_matrix.Concat(*pMatrix); | |
| 225 theme_text.m_rtPart = rtTextBk; | |
| 226 theme_text.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) | |
| 227 ? CFWL_PartState_Selected | |
| 228 : CFWL_PartState_Normal; | |
| 229 theme_text.m_wsText = wsText; | |
| 230 theme_text.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; | |
| 231 theme_text.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; | |
| 232 pTheme->DrawText(&theme_text); | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 CFWL_ThemeBackground param; | |
| 237 param.m_pWidget = this; | |
| 238 param.m_iPart = CFWL_Part::DropDownButton; | |
| 239 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 240 ? CFWL_PartState_Disabled | |
| 241 : m_iBtnState; | |
| 242 param.m_pGraphics = pGraphics; | |
| 243 param.m_matrix.Concat(*pMatrix); | |
| 244 param.m_rtPart = m_rtBtn; | |
| 245 pTheme->DrawBackground(¶m); | |
| 246 } | |
| 247 | |
| 248 void IFWL_ComboBox::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { | |
| 249 if (!pThemeProvider) | |
| 250 return; | |
| 251 | |
| 252 m_pProperties->m_pThemeProvider = pThemeProvider; | |
| 253 if (m_pListBox) | |
| 254 m_pListBox->SetThemeProvider(pThemeProvider); | |
| 255 if (m_pEdit) | |
| 256 m_pEdit->SetThemeProvider(pThemeProvider); | |
| 257 } | |
| 258 | |
| 259 void IFWL_ComboBox::GetTextByIndex(int32_t iIndex, | |
| 260 CFX_WideString& wsText) const { | |
| 261 CFWL_ListItem* pItem = static_cast<CFWL_ListItem*>( | |
| 262 m_pListBox->GetItem(m_pListBox.get(), iIndex)); | |
| 263 if (pItem) | |
| 264 wsText = pItem->m_wsText; | |
| 265 } | |
| 266 | |
| 267 void IFWL_ComboBox::SetCurSel(int32_t iSel) { | |
| 268 int32_t iCount = m_pListBox->CountItems(nullptr); | |
| 269 bool bClearSel = iSel < 0 || iSel >= iCount; | |
| 270 if (IsDropDownStyle() && m_pEdit) { | |
| 271 if (bClearSel) { | |
| 272 m_pEdit->SetText(CFX_WideString()); | |
| 273 } else { | |
| 274 CFX_WideString wsText; | |
| 275 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iSel); | |
| 276 m_pListBox->GetDataProviderItemText(hItem, wsText); | |
| 277 m_pEdit->SetText(wsText); | |
| 278 } | |
| 279 m_pEdit->Update(); | |
| 280 } | |
| 281 m_iCurSel = bClearSel ? -1 : iSel; | |
| 282 } | |
| 283 | |
| 284 void IFWL_ComboBox::SetStates(uint32_t dwStates, bool bSet) { | |
| 285 if (IsDropDownStyle() && m_pEdit) | |
| 286 m_pEdit->SetStates(dwStates, bSet); | |
| 287 if (m_pListBox) | |
| 288 m_pListBox->SetStates(dwStates, bSet); | |
| 289 IFWL_Widget::SetStates(dwStates, bSet); | |
| 290 } | |
| 291 | |
| 292 void IFWL_ComboBox::SetEditText(const CFX_WideString& wsText) { | |
| 293 if (!m_pEdit) | |
| 294 return; | |
| 295 | |
| 296 m_pEdit->SetText(wsText); | |
| 297 m_pEdit->Update(); | |
| 298 } | |
| 299 | |
| 300 void IFWL_ComboBox::GetEditText(CFX_WideString& wsText, | |
| 301 int32_t nStart, | |
| 302 int32_t nCount) const { | |
| 303 if (m_pEdit) { | |
| 304 m_pEdit->GetText(wsText, nStart, nCount); | |
| 305 return; | |
| 306 } | |
| 307 if (!m_pListBox) | |
| 308 return; | |
| 309 | |
| 310 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 311 m_pListBox->GetDataProviderItemText(hItem, wsText); | |
| 312 } | |
| 313 | |
| 314 void IFWL_ComboBox::OpenDropDownList(bool bActivate) { | |
| 315 ShowDropList(bActivate); | |
| 316 } | |
| 317 | |
| 318 void IFWL_ComboBox::GetBBox(CFX_RectF& rect) const { | |
| 319 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 320 DisForm_GetBBox(rect); | |
| 321 return; | |
| 322 } | |
| 323 | |
| 324 rect = m_pProperties->m_rtWidget; | |
| 325 if (!m_pListBox || !IsDropListVisible()) | |
| 326 return; | |
| 327 | |
| 328 CFX_RectF rtList; | |
| 329 m_pListBox->GetWidgetRect(rtList); | |
| 330 rtList.Offset(rect.left, rect.top); | |
| 331 rect.Union(rtList); | |
| 332 } | |
| 333 | |
| 334 void IFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded, | |
| 335 uint32_t dwStylesExRemoved) { | |
| 336 if (m_pEdit) | |
| 337 m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 338 } | |
| 339 | |
| 340 void IFWL_ComboBox::DrawStretchHandler(CFX_Graphics* pGraphics, | |
| 341 const CFX_Matrix* pMatrix) { | |
| 342 CFWL_ThemeBackground param; | |
| 343 param.m_pGraphics = pGraphics; | |
| 344 param.m_iPart = CFWL_Part::StretchHandler; | |
| 345 param.m_dwStates = CFWL_PartState_Normal; | |
| 346 param.m_pWidget = this; | |
| 347 if (pMatrix) | |
| 348 param.m_matrix.Concat(*pMatrix); | |
| 349 param.m_rtPart = m_rtHandler; | |
| 350 m_pProperties->m_pThemeProvider->DrawBackground(¶m); | |
| 351 } | |
| 352 | |
| 353 void IFWL_ComboBox::ShowDropList(bool bActivate) { | |
| 354 if (m_pWidgetMgr->IsFormDisabled()) | |
| 355 return DisForm_ShowDropList(bActivate); | |
| 356 if (IsDropListVisible() == bActivate) | |
| 357 return; | |
| 358 if (!m_pComboBoxProxy) | |
| 359 InitProxyForm(); | |
| 360 | |
| 361 m_pComboBoxProxy->Reset(); | |
| 362 if (!bActivate) { | |
| 363 m_pComboBoxProxy->EndDoModal(); | |
| 364 | |
| 365 m_bLButtonDown = false; | |
| 366 m_pListBox->SetNotifyOwner(true); | |
| 367 SetFocus(true); | |
| 368 return; | |
| 369 } | |
| 370 | |
| 371 m_pListBox->ChangeSelected(m_iCurSel); | |
| 372 ResetListItemAlignment(); | |
| 373 | |
| 374 uint32_t dwStyleAdd = m_pProperties->m_dwStyleExes & | |
| 375 (FWL_STYLEEXT_CMB_Sort | FWL_STYLEEXT_CMB_OwnerDraw); | |
| 376 m_pListBox->ModifyStylesEx(dwStyleAdd, 0); | |
| 377 m_pListBox->GetWidgetRect(m_rtList, true); | |
| 378 | |
| 379 CFX_RectF rtAnchor; | |
| 380 rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width, | |
| 381 m_pProperties->m_rtWidget.height); | |
| 382 | |
| 383 m_rtList.width = std::max(m_rtList.width, m_rtClient.width); | |
| 384 m_rtProxy = m_rtList; | |
| 385 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) | |
| 386 m_rtProxy.height += m_fComboFormHandler; | |
| 387 | |
| 388 GetPopupPos(0, m_rtProxy.height, rtAnchor, m_rtProxy); | |
| 389 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) { | |
| 390 FX_FLOAT fx = 0; | |
| 391 FX_FLOAT fy = m_rtClient.top + m_rtClient.height / 2; | |
| 392 TransformTo(nullptr, fx, fy); | |
| 393 | |
| 394 m_bUpFormHandler = fy > m_rtProxy.top; | |
| 395 if (m_bUpFormHandler) { | |
| 396 m_rtHandler.Set(0, 0, m_rtList.width, m_fComboFormHandler); | |
| 397 m_rtList.top = m_fComboFormHandler; | |
| 398 } else { | |
| 399 m_rtHandler.Set(0, m_rtList.height, m_rtList.width, m_fComboFormHandler); | |
| 400 } | |
| 401 } | |
| 402 m_pComboBoxProxy->SetWidgetRect(m_rtProxy); | |
| 403 m_pComboBoxProxy->Update(); | |
| 404 m_pListBox->SetWidgetRect(m_rtList); | |
| 405 m_pListBox->Update(); | |
| 406 | |
| 407 CFWL_EvtPreDropDown ev; | |
| 408 ev.m_pSrcTarget = this; | |
| 409 DispatchEvent(&ev); | |
| 410 | |
| 411 m_fItemHeight = m_pListBox->GetItemHeight(); | |
| 412 m_pListBox->SetFocus(true); | |
| 413 m_pComboBoxProxy->DoModal(); | |
| 414 m_pListBox->SetFocus(false); | |
| 415 } | |
| 416 | |
| 417 void IFWL_ComboBox::MatchEditText() { | |
| 418 CFX_WideString wsText; | |
| 419 m_pEdit->GetText(wsText); | |
| 420 int32_t iMatch = m_pListBox->MatchItem(wsText); | |
| 421 if (iMatch != m_iCurSel) { | |
| 422 m_pListBox->ChangeSelected(iMatch); | |
| 423 if (iMatch >= 0) | |
| 424 SyncEditText(iMatch); | |
| 425 } else if (iMatch >= 0) { | |
| 426 m_pEdit->SetSelected(); | |
| 427 } | |
| 428 m_iCurSel = iMatch; | |
| 429 } | |
| 430 | |
| 431 void IFWL_ComboBox::SyncEditText(int32_t iListItem) { | |
| 432 CFX_WideString wsText; | |
| 433 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iListItem); | |
| 434 m_pListBox->GetDataProviderItemText(hItem, wsText); | |
| 435 m_pEdit->SetText(wsText); | |
| 436 m_pEdit->Update(); | |
| 437 m_pEdit->SetSelected(); | |
| 438 } | |
| 439 | |
| 440 void IFWL_ComboBox::Layout() { | |
| 441 if (m_pWidgetMgr->IsFormDisabled()) | |
| 442 return DisForm_Layout(); | |
| 443 | |
| 444 GetClientRect(m_rtClient); | |
| 445 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( | |
| 446 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); | |
| 447 if (!pFWidth) | |
| 448 return; | |
| 449 | |
| 450 FX_FLOAT fBtn = *pFWidth; | |
| 451 m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn, | |
| 452 m_rtClient.height); | |
| 453 if (!IsDropDownStyle() || !m_pEdit) | |
| 454 return; | |
| 455 | |
| 456 CFX_RectF rtEdit; | |
| 457 rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn, | |
| 458 m_rtClient.height); | |
| 459 m_pEdit->SetWidgetRect(rtEdit); | |
| 460 | |
| 461 if (m_iCurSel >= 0) { | |
| 462 CFX_WideString wsText; | |
| 463 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 464 m_pListBox->GetDataProviderItemText(hItem, wsText); | |
| 465 m_pEdit->LockUpdate(); | |
| 466 m_pEdit->SetText(wsText); | |
| 467 m_pEdit->UnlockUpdate(); | |
| 468 } | |
| 469 m_pEdit->Update(); | |
| 470 } | |
| 471 | |
| 472 void IFWL_ComboBox::ResetTheme() { | |
| 473 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 474 if (!pTheme) { | |
| 475 pTheme = GetAvailableTheme(); | |
| 476 m_pProperties->m_pThemeProvider = pTheme; | |
| 477 } | |
| 478 if (m_pListBox && !m_pListBox->GetThemeProvider()) | |
| 479 m_pListBox->SetThemeProvider(pTheme); | |
| 480 if (m_pEdit && !m_pEdit->GetThemeProvider()) | |
| 481 m_pEdit->SetThemeProvider(pTheme); | |
| 482 } | |
| 483 | |
| 484 void IFWL_ComboBox::ResetEditAlignment() { | |
| 485 if (!m_pEdit) | |
| 486 return; | |
| 487 | |
| 488 uint32_t dwAdd = 0; | |
| 489 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditHAlignMask) { | |
| 490 case FWL_STYLEEXT_CMB_EditHCenter: { | |
| 491 dwAdd |= FWL_STYLEEXT_EDT_HCenter; | |
| 492 break; | |
| 493 } | |
| 494 case FWL_STYLEEXT_CMB_EditHFar: { | |
| 495 dwAdd |= FWL_STYLEEXT_EDT_HFar; | |
| 496 break; | |
| 497 } | |
| 498 default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; } | |
| 499 } | |
| 500 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditVAlignMask) { | |
| 501 case FWL_STYLEEXT_CMB_EditVCenter: { | |
| 502 dwAdd |= FWL_STYLEEXT_EDT_VCenter; | |
| 503 break; | |
| 504 } | |
| 505 case FWL_STYLEEXT_CMB_EditVFar: { | |
| 506 dwAdd |= FWL_STYLEEXT_EDT_VFar; | |
| 507 break; | |
| 508 } | |
| 509 default: { | |
| 510 dwAdd |= FWL_STYLEEXT_EDT_VNear; | |
| 511 break; | |
| 512 } | |
| 513 } | |
| 514 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditJustified) | |
| 515 dwAdd |= FWL_STYLEEXT_EDT_Justified; | |
| 516 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditDistributed) | |
| 517 dwAdd |= FWL_STYLEEXT_EDT_Distributed; | |
| 518 | |
| 519 m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask | | |
| 520 FWL_STYLEEXT_EDT_HAlignModeMask | | |
| 521 FWL_STYLEEXT_EDT_VAlignMask); | |
| 522 } | |
| 523 | |
| 524 void IFWL_ComboBox::ResetListItemAlignment() { | |
| 525 if (!m_pListBox) | |
| 526 return; | |
| 527 | |
| 528 uint32_t dwAdd = 0; | |
| 529 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemAlignMask) { | |
| 530 case FWL_STYLEEXT_CMB_ListItemCenterAlign: { | |
| 531 dwAdd |= FWL_STYLEEXT_LTB_CenterAlign; | |
| 532 break; | |
| 533 } | |
| 534 case FWL_STYLEEXT_CMB_ListItemRightAlign: { | |
| 535 dwAdd |= FWL_STYLEEXT_LTB_RightAlign; | |
| 536 break; | |
| 537 } | |
| 538 default: { | |
| 539 dwAdd |= FWL_STYLEEXT_LTB_LeftAlign; | |
| 540 break; | |
| 541 } | |
| 542 } | |
| 543 m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask); | |
| 544 } | |
| 545 | |
| 546 void IFWL_ComboBox::ProcessSelChanged(bool bLButtonUp) { | |
| 547 m_iCurSel = m_pListBox->GetItemIndex(this, m_pListBox->GetSelItem(0)); | |
| 548 if (!IsDropDownStyle()) { | |
| 549 Repaint(&m_rtClient); | |
| 550 return; | |
| 551 } | |
| 552 | |
| 553 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 554 if (!hItem) | |
| 555 return; | |
| 556 | |
| 557 CFX_WideString wsText; | |
| 558 m_pListBox->GetItemText(this, hItem, wsText); | |
| 559 if (m_pEdit) { | |
| 560 m_pEdit->SetText(wsText); | |
| 561 m_pEdit->Update(); | |
| 562 m_pEdit->SetSelected(); | |
| 563 } | |
| 564 | |
| 565 CFWL_EvtSelectChanged ev; | |
| 566 ev.bLButtonUp = bLButtonUp; | |
| 567 ev.m_pSrcTarget = this; | |
| 568 DispatchEvent(&ev); | |
| 569 } | |
| 570 | |
| 571 void IFWL_ComboBox::InitProxyForm() { | |
| 572 if (m_pComboBoxProxy) | |
| 573 return; | |
| 574 if (!m_pListBox) | |
| 575 return; | |
| 576 | |
| 577 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 578 prop->m_pOwner = this; | |
| 579 prop->m_dwStyles = FWL_WGTSTYLE_Popup; | |
| 580 prop->m_dwStates = FWL_WGTSTATE_Invisible; | |
| 581 | |
| 582 // TODO(dsinclair): Does this leak? I don't see a delete, but I'm not sure | |
| 583 // if the SetParent call is going to transfer ownership. | |
| 584 m_pComboBoxProxy = new CFWL_ComboBoxProxy(this, m_pOwnerApp, std::move(prop), | |
| 585 m_pListBox.get()); | |
| 586 m_pListBox->SetParent(m_pComboBoxProxy); | |
| 587 } | |
| 588 | |
| 589 void IFWL_ComboBox::DisForm_InitComboList() { | |
| 590 if (m_pListBox) | |
| 591 return; | |
| 592 | |
| 593 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 594 prop->m_pParent = this; | |
| 595 prop->m_dwStyles = FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; | |
| 596 prop->m_dwStates = FWL_WGTSTATE_Invisible; | |
| 597 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; | |
| 598 m_pListBox = | |
| 599 pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this); | |
| 600 } | |
| 601 | |
| 602 void IFWL_ComboBox::DisForm_InitComboEdit() { | |
| 603 if (m_pEdit) | |
| 604 return; | |
| 605 | |
| 606 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); | |
| 607 prop->m_pParent = this; | |
| 608 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; | |
| 609 | |
| 610 m_pEdit = | |
| 611 pdfium::MakeUnique<CFWL_ComboEdit>(m_pOwnerApp, std::move(prop), this); | |
| 612 m_pEdit->SetOuter(this); | |
| 613 } | |
| 614 | |
| 615 void IFWL_ComboBox::DisForm_ShowDropList(bool bActivate) { | |
| 616 if (DisForm_IsDropListVisible() == bActivate) | |
| 617 return; | |
| 618 | |
| 619 if (bActivate) { | |
| 620 CFWL_EvtPreDropDown preEvent; | |
| 621 preEvent.m_pSrcTarget = this; | |
| 622 DispatchEvent(&preEvent); | |
| 623 | |
| 624 CFWL_ComboList* pComboList = m_pListBox.get(); | |
| 625 int32_t iItems = pComboList->CountItems(nullptr); | |
| 626 if (iItems < 1) | |
| 627 return; | |
| 628 | |
| 629 ResetListItemAlignment(); | |
| 630 pComboList->ChangeSelected(m_iCurSel); | |
| 631 | |
| 632 FX_FLOAT fItemHeight = pComboList->CalcItemHeight(); | |
| 633 FX_FLOAT fBorder = GetBorderSize(); | |
| 634 FX_FLOAT fPopupMin = 0.0f; | |
| 635 if (iItems > 3) | |
| 636 fPopupMin = fItemHeight * 3 + fBorder * 2; | |
| 637 | |
| 638 FX_FLOAT fPopupMax = fItemHeight * iItems + fBorder * 2; | |
| 639 CFX_RectF rtList; | |
| 640 rtList.left = m_rtClient.left; | |
| 641 rtList.width = m_pProperties->m_rtWidget.width; | |
| 642 rtList.top = 0; | |
| 643 rtList.height = 0; | |
| 644 GetPopupPos(fPopupMin, fPopupMax, m_pProperties->m_rtWidget, rtList); | |
| 645 | |
| 646 m_pListBox->SetWidgetRect(rtList); | |
| 647 m_pListBox->Update(); | |
| 648 } else { | |
| 649 SetFocus(true); | |
| 650 } | |
| 651 | |
| 652 m_pListBox->SetStates(FWL_WGTSTATE_Invisible, !bActivate); | |
| 653 if (bActivate) { | |
| 654 CFWL_EvtPostDropDown postEvent; | |
| 655 postEvent.m_pSrcTarget = this; | |
| 656 DispatchEvent(&postEvent); | |
| 657 } | |
| 658 | |
| 659 CFX_RectF rect; | |
| 660 m_pListBox->GetWidgetRect(rect); | |
| 661 rect.Inflate(2, 2); | |
| 662 Repaint(&rect); | |
| 663 } | |
| 664 | |
| 665 void IFWL_ComboBox::DisForm_ModifyStylesEx(uint32_t dwStylesExAdded, | |
| 666 uint32_t dwStylesExRemoved) { | |
| 667 if (!m_pEdit) | |
| 668 DisForm_InitComboEdit(); | |
| 669 | |
| 670 bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); | |
| 671 bool bDelDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown); | |
| 672 | |
| 673 dwStylesExRemoved &= ~FWL_STYLEEXT_CMB_DropDown; | |
| 674 m_pProperties->m_dwStyleExes |= FWL_STYLEEXT_CMB_DropDown; | |
| 675 | |
| 676 if (bAddDropDown) | |
| 677 m_pEdit->ModifyStylesEx(0, FWL_STYLEEXT_EDT_ReadOnly); | |
| 678 else if (bDelDropDown) | |
| 679 m_pEdit->ModifyStylesEx(FWL_STYLEEXT_EDT_ReadOnly, 0); | |
| 680 IFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | |
| 681 } | |
| 682 | |
| 683 void IFWL_ComboBox::DisForm_Update() { | |
| 684 if (m_iLock) | |
| 685 return; | |
| 686 if (m_pEdit) | |
| 687 ResetEditAlignment(); | |
| 688 ResetTheme(); | |
| 689 Layout(); | |
| 690 } | |
| 691 | |
| 692 FWL_WidgetHit IFWL_ComboBox::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) { | |
| 693 CFX_RectF rect; | |
| 694 rect.Set(0, 0, m_pProperties->m_rtWidget.width - m_rtBtn.width, | |
| 695 m_pProperties->m_rtWidget.height); | |
| 696 if (rect.Contains(fx, fy)) | |
| 697 return FWL_WidgetHit::Edit; | |
| 698 if (m_rtBtn.Contains(fx, fy)) | |
| 699 return FWL_WidgetHit::Client; | |
| 700 if (DisForm_IsDropListVisible()) { | |
| 701 m_pListBox->GetWidgetRect(rect); | |
| 702 if (rect.Contains(fx, fy)) | |
| 703 return FWL_WidgetHit::Client; | |
| 704 } | |
| 705 return FWL_WidgetHit::Unknown; | |
| 706 } | |
| 707 | |
| 708 void IFWL_ComboBox::DisForm_DrawWidget(CFX_Graphics* pGraphics, | |
| 709 const CFX_Matrix* pMatrix) { | |
| 710 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; | |
| 711 CFX_Matrix mtOrg; | |
| 712 mtOrg.Set(1, 0, 0, 1, 0, 0); | |
| 713 if (pMatrix) | |
| 714 mtOrg = *pMatrix; | |
| 715 | |
| 716 pGraphics->SaveGraphState(); | |
| 717 pGraphics->ConcatMatrix(&mtOrg); | |
| 718 if (!m_rtBtn.IsEmpty(0.1f)) { | |
| 719 CFWL_ThemeBackground param; | |
| 720 param.m_pWidget = this; | |
| 721 param.m_iPart = CFWL_Part::DropDownButton; | |
| 722 param.m_dwStates = m_iBtnState; | |
| 723 param.m_pGraphics = pGraphics; | |
| 724 param.m_rtPart = m_rtBtn; | |
| 725 pTheme->DrawBackground(¶m); | |
| 726 } | |
| 727 pGraphics->RestoreGraphState(); | |
| 728 | |
| 729 if (m_pEdit) { | |
| 730 CFX_RectF rtEdit; | |
| 731 m_pEdit->GetWidgetRect(rtEdit); | |
| 732 CFX_Matrix mt; | |
| 733 mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top); | |
| 734 mt.Concat(mtOrg); | |
| 735 m_pEdit->DrawWidget(pGraphics, &mt); | |
| 736 } | |
| 737 if (m_pListBox && DisForm_IsDropListVisible()) { | |
| 738 CFX_RectF rtList; | |
| 739 m_pListBox->GetWidgetRect(rtList); | |
| 740 CFX_Matrix mt; | |
| 741 mt.Set(1, 0, 0, 1, rtList.left, rtList.top); | |
| 742 mt.Concat(mtOrg); | |
| 743 m_pListBox->DrawWidget(pGraphics, &mt); | |
| 744 } | |
| 745 } | |
| 746 | |
| 747 void IFWL_ComboBox::DisForm_GetBBox(CFX_RectF& rect) const { | |
| 748 rect = m_pProperties->m_rtWidget; | |
| 749 if (!m_pListBox || !DisForm_IsDropListVisible()) | |
| 750 return; | |
| 751 | |
| 752 CFX_RectF rtList; | |
| 753 m_pListBox->GetWidgetRect(rtList); | |
| 754 rtList.Offset(rect.left, rect.top); | |
| 755 rect.Union(rtList); | |
| 756 } | |
| 757 | |
| 758 void IFWL_ComboBox::DisForm_Layout() { | |
| 759 GetClientRect(m_rtClient); | |
| 760 m_rtContent = m_rtClient; | |
| 761 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( | |
| 762 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); | |
| 763 if (!pFWidth) | |
| 764 return; | |
| 765 | |
| 766 FX_FLOAT borderWidth = 1; | |
| 767 FX_FLOAT fBtn = *pFWidth; | |
| 768 if (!(GetStylesEx() & FWL_STYLEEXT_CMB_ReadOnly)) { | |
| 769 m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top + borderWidth, | |
| 770 fBtn - borderWidth, m_rtClient.height - 2 * borderWidth); | |
| 771 } | |
| 772 | |
| 773 CFX_RectF* pUIMargin = | |
| 774 static_cast<CFX_RectF*>(GetThemeCapacity(CFWL_WidgetCapacity::UIMargin)); | |
| 775 if (pUIMargin) { | |
| 776 m_rtContent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width, | |
| 777 pUIMargin->height); | |
| 778 } | |
| 779 | |
| 780 if (!IsDropDownStyle() || !m_pEdit) | |
| 781 return; | |
| 782 | |
| 783 CFX_RectF rtEdit; | |
| 784 rtEdit.Set(m_rtContent.left, m_rtContent.top, m_rtContent.width - fBtn, | |
| 785 m_rtContent.height); | |
| 786 m_pEdit->SetWidgetRect(rtEdit); | |
| 787 | |
| 788 if (m_iCurSel >= 0) { | |
| 789 CFX_WideString wsText; | |
| 790 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); | |
| 791 m_pListBox->GetDataProviderItemText(hItem, wsText); | |
| 792 m_pEdit->LockUpdate(); | |
| 793 m_pEdit->SetText(wsText); | |
| 794 m_pEdit->UnlockUpdate(); | |
| 795 } | |
| 796 m_pEdit->Update(); | |
| 797 } | |
| 798 | |
| 799 void IFWL_ComboBox::OnProcessMessage(CFWL_Message* pMessage) { | |
| 800 if (m_pWidgetMgr->IsFormDisabled()) { | |
| 801 DisForm_OnProcessMessage(pMessage); | |
| 802 return; | |
| 803 } | |
| 804 if (!pMessage) | |
| 805 return; | |
| 806 | |
| 807 switch (pMessage->GetClassID()) { | |
| 808 case CFWL_MessageType::SetFocus: | |
| 809 OnFocusChanged(pMessage, true); | |
| 810 break; | |
| 811 case CFWL_MessageType::KillFocus: | |
| 812 OnFocusChanged(pMessage, false); | |
| 813 break; | |
| 814 case CFWL_MessageType::Mouse: { | |
| 815 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 816 switch (pMsg->m_dwCmd) { | |
| 817 case FWL_MouseCommand::LeftButtonDown: | |
| 818 OnLButtonDown(pMsg); | |
| 819 break; | |
| 820 case FWL_MouseCommand::LeftButtonUp: | |
| 821 OnLButtonUp(pMsg); | |
| 822 break; | |
| 823 case FWL_MouseCommand::Move: | |
| 824 OnMouseMove(pMsg); | |
| 825 break; | |
| 826 case FWL_MouseCommand::Leave: | |
| 827 OnMouseLeave(pMsg); | |
| 828 break; | |
| 829 default: | |
| 830 break; | |
| 831 } | |
| 832 break; | |
| 833 } | |
| 834 case CFWL_MessageType::Key: | |
| 835 OnKey(static_cast<CFWL_MsgKey*>(pMessage)); | |
| 836 break; | |
| 837 default: | |
| 838 break; | |
| 839 } | |
| 840 | |
| 841 IFWL_Widget::OnProcessMessage(pMessage); | |
| 842 } | |
| 843 | |
| 844 void IFWL_ComboBox::OnProcessEvent(CFWL_Event* pEvent) { | |
| 845 CFWL_EventType dwFlag = pEvent->GetClassID(); | |
| 846 if (dwFlag == CFWL_EventType::Scroll) { | |
| 847 CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent); | |
| 848 CFWL_EvtScroll pScrollEv; | |
| 849 pScrollEv.m_pSrcTarget = this; | |
| 850 pScrollEv.m_iScrollCode = pScrollEvent->m_iScrollCode; | |
| 851 pScrollEv.m_fPos = pScrollEvent->m_fPos; | |
| 852 DispatchEvent(&pScrollEv); | |
| 853 } else if (dwFlag == CFWL_EventType::TextChanged) { | |
| 854 CFWL_EvtEditChanged pTemp; | |
| 855 pTemp.m_pSrcTarget = this; | |
| 856 DispatchEvent(&pTemp); | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 void IFWL_ComboBox::OnDrawWidget(CFX_Graphics* pGraphics, | |
| 861 const CFX_Matrix* pMatrix) { | |
| 862 DrawWidget(pGraphics, pMatrix); | |
| 863 } | |
| 864 | |
| 865 void IFWL_ComboBox::OnFocusChanged(CFWL_Message* pMsg, bool bSet) { | |
| 866 if (bSet) { | |
| 867 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; | |
| 868 if (IsDropDownStyle() && pMsg->m_pSrcTarget != m_pListBox.get()) { | |
| 869 if (!m_pEdit) | |
| 870 return; | |
| 871 m_pEdit->SetSelected(); | |
| 872 return; | |
| 873 } | |
| 874 | |
| 875 Repaint(&m_rtClient); | |
| 876 return; | |
| 877 } | |
| 878 | |
| 879 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; | |
| 880 if (!IsDropDownStyle() || pMsg->m_pDstTarget == m_pListBox.get()) { | |
| 881 Repaint(&m_rtClient); | |
| 882 return; | |
| 883 } | |
| 884 if (!m_pEdit) | |
| 885 return; | |
| 886 | |
| 887 m_pEdit->FlagFocus(false); | |
| 888 m_pEdit->ClearSelected(); | |
| 889 } | |
| 890 | |
| 891 void IFWL_ComboBox::OnLButtonDown(CFWL_MsgMouse* pMsg) { | |
| 892 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 893 return; | |
| 894 | |
| 895 CFX_RectF& rtBtn = IsDropDownStyle() ? m_rtBtn : m_rtClient; | |
| 896 if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 897 return; | |
| 898 | |
| 899 if (IsDropDownStyle() && m_pEdit) | |
| 900 MatchEditText(); | |
| 901 | |
| 902 m_bLButtonDown = true; | |
| 903 m_iBtnState = CFWL_PartState_Pressed; | |
| 904 Repaint(&m_rtClient); | |
| 905 | |
| 906 ShowDropList(true); | |
| 907 m_iBtnState = CFWL_PartState_Normal; | |
| 908 Repaint(&m_rtClient); | |
| 909 } | |
| 910 | |
| 911 void IFWL_ComboBox::OnLButtonUp(CFWL_MsgMouse* pMsg) { | |
| 912 m_bLButtonDown = false; | |
| 913 if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 914 m_iBtnState = CFWL_PartState_Hovered; | |
| 915 else | |
| 916 m_iBtnState = CFWL_PartState_Normal; | |
| 917 | |
| 918 Repaint(&m_rtBtn); | |
| 919 } | |
| 920 | |
| 921 void IFWL_ComboBox::OnMouseMove(CFWL_MsgMouse* pMsg) { | |
| 922 int32_t iOldState = m_iBtnState; | |
| 923 if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 924 m_iBtnState = | |
| 925 m_bLButtonDown ? CFWL_PartState_Pressed : CFWL_PartState_Hovered; | |
| 926 } else { | |
| 927 m_iBtnState = CFWL_PartState_Normal; | |
| 928 } | |
| 929 if ((iOldState != m_iBtnState) && | |
| 930 !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == | |
| 931 FWL_WGTSTATE_Disabled)) { | |
| 932 Repaint(&m_rtBtn); | |
| 933 } | |
| 934 } | |
| 935 | |
| 936 void IFWL_ComboBox::OnMouseLeave(CFWL_MsgMouse* pMsg) { | |
| 937 if (!IsDropListVisible() && | |
| 938 !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == | |
| 939 FWL_WGTSTATE_Disabled)) { | |
| 940 m_iBtnState = CFWL_PartState_Normal; | |
| 941 Repaint(&m_rtBtn); | |
| 942 } | |
| 943 } | |
| 944 | |
| 945 void IFWL_ComboBox::OnKey(CFWL_MsgKey* pMsg) { | |
| 946 uint32_t dwKeyCode = pMsg->m_dwKeyCode; | |
| 947 if (dwKeyCode == FWL_VKEY_Tab) { | |
| 948 DispatchKeyEvent(pMsg); | |
| 949 return; | |
| 950 } | |
| 951 if (pMsg->m_pDstTarget == this) | |
| 952 DoSubCtrlKey(pMsg); | |
| 953 } | |
| 954 | |
| 955 void IFWL_ComboBox::DoSubCtrlKey(CFWL_MsgKey* pMsg) { | |
| 956 uint32_t dwKeyCode = pMsg->m_dwKeyCode; | |
| 957 const bool bUp = dwKeyCode == FWL_VKEY_Up; | |
| 958 const bool bDown = dwKeyCode == FWL_VKEY_Down; | |
| 959 if (bUp || bDown) { | |
| 960 int32_t iCount = m_pListBox->CountItems(nullptr); | |
| 961 if (iCount < 1) | |
| 962 return; | |
| 963 | |
| 964 bool bMatchEqual = false; | |
| 965 int32_t iCurSel = m_iCurSel; | |
| 966 bool bDropDown = IsDropDownStyle(); | |
| 967 if (bDropDown && m_pEdit) { | |
| 968 CFX_WideString wsText; | |
| 969 m_pEdit->GetText(wsText); | |
| 970 iCurSel = m_pListBox->MatchItem(wsText); | |
| 971 if (iCurSel >= 0) { | |
| 972 CFX_WideString wsTemp; | |
| 973 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iCurSel); | |
| 974 m_pListBox->GetDataProviderItemText(hItem, wsTemp); | |
| 975 bMatchEqual = wsText == wsTemp; | |
| 976 } | |
| 977 } | |
| 978 if (iCurSel < 0) { | |
| 979 iCurSel = 0; | |
| 980 } else if (!bDropDown || bMatchEqual) { | |
| 981 if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) | |
| 982 return; | |
| 983 if (bUp) | |
| 984 iCurSel--; | |
| 985 else | |
| 986 iCurSel++; | |
| 987 } | |
| 988 m_iCurSel = iCurSel; | |
| 989 if (bDropDown && m_pEdit) | |
| 990 SyncEditText(m_iCurSel); | |
| 991 else | |
| 992 Repaint(&m_rtClient); | |
| 993 return; | |
| 994 } | |
| 995 | |
| 996 if (IsDropDownStyle()) | |
| 997 m_pEdit->GetDelegate()->OnProcessMessage(pMsg); | |
| 998 } | |
| 999 | |
| 1000 void IFWL_ComboBox::DisForm_OnProcessMessage(CFWL_Message* pMessage) { | |
| 1001 if (!pMessage) | |
| 1002 return; | |
| 1003 | |
| 1004 bool backDefault = true; | |
| 1005 switch (pMessage->GetClassID()) { | |
| 1006 case CFWL_MessageType::SetFocus: { | |
| 1007 backDefault = false; | |
| 1008 DisForm_OnFocusChanged(pMessage, true); | |
| 1009 break; | |
| 1010 } | |
| 1011 case CFWL_MessageType::KillFocus: { | |
| 1012 backDefault = false; | |
| 1013 DisForm_OnFocusChanged(pMessage, false); | |
| 1014 break; | |
| 1015 } | |
| 1016 case CFWL_MessageType::Mouse: { | |
| 1017 backDefault = false; | |
| 1018 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 1019 switch (pMsg->m_dwCmd) { | |
| 1020 case FWL_MouseCommand::LeftButtonDown: | |
| 1021 DisForm_OnLButtonDown(pMsg); | |
| 1022 break; | |
| 1023 case FWL_MouseCommand::LeftButtonUp: | |
| 1024 OnLButtonUp(pMsg); | |
| 1025 break; | |
| 1026 default: | |
| 1027 break; | |
| 1028 } | |
| 1029 break; | |
| 1030 } | |
| 1031 case CFWL_MessageType::Key: { | |
| 1032 backDefault = false; | |
| 1033 CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage); | |
| 1034 if (pKey->m_dwCmd == FWL_KeyCommand::KeyUp) | |
| 1035 break; | |
| 1036 if (DisForm_IsDropListVisible() && | |
| 1037 pKey->m_dwCmd == FWL_KeyCommand::KeyDown) { | |
| 1038 bool bListKey = pKey->m_dwKeyCode == FWL_VKEY_Up || | |
| 1039 pKey->m_dwKeyCode == FWL_VKEY_Down || | |
| 1040 pKey->m_dwKeyCode == FWL_VKEY_Return || | |
| 1041 pKey->m_dwKeyCode == FWL_VKEY_Escape; | |
| 1042 if (bListKey) { | |
| 1043 m_pListBox->GetDelegate()->OnProcessMessage(pMessage); | |
| 1044 break; | |
| 1045 } | |
| 1046 } | |
| 1047 DisForm_OnKey(pKey); | |
| 1048 break; | |
| 1049 } | |
| 1050 default: | |
| 1051 break; | |
| 1052 } | |
| 1053 if (backDefault) | |
| 1054 IFWL_Widget::OnProcessMessage(pMessage); | |
| 1055 } | |
| 1056 | |
| 1057 void IFWL_ComboBox::DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg) { | |
| 1058 bool bDropDown = DisForm_IsDropListVisible(); | |
| 1059 CFX_RectF& rtBtn = bDropDown ? m_rtBtn : m_rtClient; | |
| 1060 if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 1061 return; | |
| 1062 | |
| 1063 if (DisForm_IsDropListVisible()) { | |
| 1064 DisForm_ShowDropList(false); | |
| 1065 return; | |
| 1066 } | |
| 1067 if (m_pEdit) | |
| 1068 MatchEditText(); | |
| 1069 DisForm_ShowDropList(true); | |
| 1070 } | |
| 1071 | |
| 1072 void IFWL_ComboBox::DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet) { | |
| 1073 if (bSet) { | |
| 1074 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; | |
| 1075 if ((m_pEdit->GetStates() & FWL_WGTSTATE_Focused) == 0) { | |
| 1076 CFWL_MsgSetFocus msg; | |
| 1077 msg.m_pDstTarget = m_pEdit.get(); | |
| 1078 msg.m_pSrcTarget = nullptr; | |
| 1079 m_pEdit->GetDelegate()->OnProcessMessage(&msg); | |
| 1080 } | |
| 1081 } else { | |
| 1082 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; | |
| 1083 DisForm_ShowDropList(false); | |
| 1084 CFWL_MsgKillFocus msg; | |
| 1085 msg.m_pDstTarget = nullptr; | |
| 1086 msg.m_pSrcTarget = m_pEdit.get(); | |
| 1087 m_pEdit->GetDelegate()->OnProcessMessage(&msg); | |
| 1088 } | |
| 1089 } | |
| 1090 | |
| 1091 void IFWL_ComboBox::DisForm_OnKey(CFWL_MsgKey* pMsg) { | |
| 1092 uint32_t dwKeyCode = pMsg->m_dwKeyCode; | |
| 1093 const bool bUp = dwKeyCode == FWL_VKEY_Up; | |
| 1094 const bool bDown = dwKeyCode == FWL_VKEY_Down; | |
| 1095 if (bUp || bDown) { | |
| 1096 CFWL_ComboList* pComboList = m_pListBox.get(); | |
| 1097 int32_t iCount = pComboList->CountItems(nullptr); | |
| 1098 if (iCount < 1) | |
| 1099 return; | |
| 1100 | |
| 1101 bool bMatchEqual = false; | |
| 1102 int32_t iCurSel = m_iCurSel; | |
| 1103 if (m_pEdit) { | |
| 1104 CFX_WideString wsText; | |
| 1105 m_pEdit->GetText(wsText); | |
| 1106 iCurSel = pComboList->MatchItem(wsText); | |
| 1107 if (iCurSel >= 0) { | |
| 1108 CFX_WideString wsTemp; | |
| 1109 CFWL_ListItem* item = m_pListBox->GetSelItem(iCurSel); | |
| 1110 m_pListBox->GetDataProviderItemText(item, wsTemp); | |
| 1111 bMatchEqual = wsText == wsTemp; | |
| 1112 } | |
| 1113 } | |
| 1114 if (iCurSel < 0) { | |
| 1115 iCurSel = 0; | |
| 1116 } else if (bMatchEqual) { | |
| 1117 if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) | |
| 1118 return; | |
| 1119 if (bUp) | |
| 1120 iCurSel--; | |
| 1121 else | |
| 1122 iCurSel++; | |
| 1123 } | |
| 1124 m_iCurSel = iCurSel; | |
| 1125 SyncEditText(m_iCurSel); | |
| 1126 return; | |
| 1127 } | |
| 1128 if (m_pEdit) | |
| 1129 m_pEdit->GetDelegate()->OnProcessMessage(pMsg); | |
| 1130 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2524173002:
Merge IFWL and CFWL classes. (Closed)
