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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "xfa/fwl/core/cfwl_combobox.h" | 7 #include "xfa/fwl/core/cfwl_combobox.h" |
8 | 8 |
| 9 #include <algorithm> |
| 10 #include <memory> |
9 #include <utility> | 11 #include <utility> |
10 | 12 |
11 #include "third_party/base/ptr_util.h" | 13 #include "third_party/base/ptr_util.h" |
12 #include "xfa/fwl/core/fwl_error.h" | 14 #include "xfa/fde/cfde_txtedtengine.h" |
13 #include "xfa/fwl/core/ifwl_combobox.h" | 15 #include "xfa/fde/tto/fde_textout.h" |
14 #include "xfa/fwl/core/ifwl_widget.h" | 16 #include "xfa/fwl/core/cfwl_app.h" |
15 | 17 #include "xfa/fwl/core/cfwl_evteditchanged.h" |
16 namespace { | 18 #include "xfa/fwl/core/cfwl_evtpostdropdown.h" |
17 | 19 #include "xfa/fwl/core/cfwl_evtpredropdown.h" |
18 IFWL_ComboBox* ToComboBox(IFWL_Widget* widget) { | 20 #include "xfa/fwl/core/cfwl_evtselectchanged.h" |
19 return static_cast<IFWL_ComboBox*>(widget); | 21 #include "xfa/fwl/core/cfwl_evttextchanged.h" |
20 } | 22 #include "xfa/fwl/core/cfwl_formproxy.h" |
21 | 23 #include "xfa/fwl/core/cfwl_listbox.h" |
22 } // namespace | 24 #include "xfa/fwl/core/cfwl_msgkey.h" |
23 | 25 #include "xfa/fwl/core/cfwl_msgkillfocus.h" |
24 CFWL_ComboBox::CFWL_ComboBox(const CFWL_App* app) : CFWL_Widget(app) {} | 26 #include "xfa/fwl/core/cfwl_msgmouse.h" |
| 27 #include "xfa/fwl/core/cfwl_msgsetfocus.h" |
| 28 #include "xfa/fwl/core/cfwl_notedriver.h" |
| 29 #include "xfa/fwl/core/cfwl_themebackground.h" |
| 30 #include "xfa/fwl/core/cfwl_themepart.h" |
| 31 #include "xfa/fwl/core/cfwl_themetext.h" |
| 32 #include "xfa/fwl/core/cfwl_widgetmgr.h" |
| 33 #include "xfa/fwl/core/ifwl_themeprovider.h" |
| 34 |
| 35 CFWL_ComboBox::CFWL_ComboBox(const CFWL_App* app) |
| 36 : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr), |
| 37 m_pComboBoxProxy(nullptr), |
| 38 m_bLButtonDown(false), |
| 39 m_iCurSel(-1), |
| 40 m_iBtnState(CFWL_PartState_Normal), |
| 41 m_fComboFormHandler(0) { |
| 42 m_rtClient.Reset(); |
| 43 m_rtBtn.Reset(); |
| 44 m_rtHandler.Reset(); |
| 45 |
| 46 if (m_pWidgetMgr->IsFormDisabled()) { |
| 47 DisForm_InitComboList(); |
| 48 DisForm_InitComboEdit(); |
| 49 return; |
| 50 } |
| 51 |
| 52 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); |
| 53 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; |
| 54 prop->m_dwStyles |= FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; |
| 55 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemIconText) |
| 56 prop->m_dwStyleExes |= FWL_STYLEEXT_LTB_Icon; |
| 57 m_pListBox = |
| 58 pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this); |
| 59 |
| 60 if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown) && !m_pEdit) { |
| 61 m_pEdit.reset(new CFWL_ComboEdit( |
| 62 m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), this)); |
| 63 m_pEdit->SetOuter(this); |
| 64 } |
| 65 if (m_pEdit) |
| 66 m_pEdit->SetParent(this); |
| 67 |
| 68 SetStates(m_pProperties->m_dwStates); |
| 69 } |
25 | 70 |
26 CFWL_ComboBox::~CFWL_ComboBox() {} | 71 CFWL_ComboBox::~CFWL_ComboBox() {} |
27 | 72 |
28 void CFWL_ComboBox::Initialize() { | 73 FWL_Type CFWL_ComboBox::GetClassID() const { |
29 ASSERT(!m_pIface); | 74 return FWL_Type::ComboBox; |
30 | 75 } |
31 m_pIface = pdfium::MakeUnique<IFWL_ComboBox>( | 76 |
32 m_pApp, pdfium::MakeUnique<CFWL_WidgetProperties>()); | 77 void CFWL_ComboBox::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) { |
33 | 78 if (!bAutoSize) { |
34 CFWL_Widget::Initialize(); | 79 rect = m_pProperties->m_rtWidget; |
| 80 return; |
| 81 } |
| 82 |
| 83 rect.Reset(); |
| 84 if (IsDropDownStyle() && m_pEdit) { |
| 85 m_pEdit->GetWidgetRect(rect, true); |
| 86 } else { |
| 87 rect.width = 100; |
| 88 rect.height = 16; |
| 89 } |
| 90 if (!m_pProperties->m_pThemeProvider) |
| 91 ResetTheme(); |
| 92 |
| 93 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( |
| 94 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); |
| 95 if (!pFWidth) |
| 96 return; |
| 97 |
| 98 rect.Inflate(0, 0, *pFWidth, 0); |
| 99 CFWL_Widget::GetWidgetRect(rect, true); |
35 } | 100 } |
36 | 101 |
37 void CFWL_ComboBox::AddString(const CFX_WideStringC& wsText) { | 102 void CFWL_ComboBox::AddString(const CFX_WideStringC& wsText) { |
38 if (GetWidget()) | 103 m_pListBox->AddString(wsText); |
39 ToComboBox(GetWidget())->AddString(wsText); | |
40 } | 104 } |
41 | 105 |
42 bool CFWL_ComboBox::RemoveAt(int32_t iIndex) { | 106 bool CFWL_ComboBox::RemoveAt(int32_t iIndex) { |
43 return GetWidget() && ToComboBox(GetWidget())->RemoveAt(iIndex); | 107 return m_pListBox->RemoveAt(iIndex); |
44 } | 108 } |
45 | 109 |
46 void CFWL_ComboBox::RemoveAll() { | 110 void CFWL_ComboBox::RemoveAll() { |
47 if (GetWidget()) | 111 m_pListBox->DeleteAll(); |
48 ToComboBox(GetWidget())->RemoveAll(); | 112 } |
| 113 |
| 114 void CFWL_ComboBox::ModifyStylesEx(uint32_t dwStylesExAdded, |
| 115 uint32_t dwStylesExRemoved) { |
| 116 if (m_pWidgetMgr->IsFormDisabled()) { |
| 117 DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); |
| 118 return; |
| 119 } |
| 120 |
| 121 bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); |
| 122 bool bRemoveDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown); |
| 123 if (bAddDropDown && !m_pEdit) { |
| 124 m_pEdit = pdfium::MakeUnique<CFWL_ComboEdit>( |
| 125 m_pOwnerApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr); |
| 126 m_pEdit->SetOuter(this); |
| 127 m_pEdit->SetParent(this); |
| 128 } else if (bRemoveDropDown && m_pEdit) { |
| 129 m_pEdit->SetStates(FWL_WGTSTATE_Invisible, true); |
| 130 } |
| 131 CFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); |
| 132 } |
| 133 |
| 134 void CFWL_ComboBox::Update() { |
| 135 if (m_pWidgetMgr->IsFormDisabled()) { |
| 136 DisForm_Update(); |
| 137 return; |
| 138 } |
| 139 if (IsLocked()) |
| 140 return; |
| 141 |
| 142 ResetTheme(); |
| 143 if (IsDropDownStyle() && m_pEdit) |
| 144 ResetEditAlignment(); |
| 145 if (!m_pProperties->m_pThemeProvider) |
| 146 m_pProperties->m_pThemeProvider = GetAvailableTheme(); |
| 147 |
| 148 Layout(); |
| 149 CFWL_ThemePart part; |
| 150 part.m_pWidget = this; |
| 151 m_fComboFormHandler = |
| 152 *static_cast<FX_FLOAT*>(m_pProperties->m_pThemeProvider->GetCapacity( |
| 153 &part, CFWL_WidgetCapacity::ComboFormHandler)); |
| 154 } |
| 155 |
| 156 FWL_WidgetHit CFWL_ComboBox::HitTest(FX_FLOAT fx, FX_FLOAT fy) { |
| 157 if (m_pWidgetMgr->IsFormDisabled()) |
| 158 return DisForm_HitTest(fx, fy); |
| 159 return CFWL_Widget::HitTest(fx, fy); |
| 160 } |
| 161 |
| 162 void CFWL_ComboBox::DrawWidget(CFX_Graphics* pGraphics, |
| 163 const CFX_Matrix* pMatrix) { |
| 164 if (m_pWidgetMgr->IsFormDisabled()) { |
| 165 DisForm_DrawWidget(pGraphics, pMatrix); |
| 166 return; |
| 167 } |
| 168 |
| 169 if (!pGraphics) |
| 170 return; |
| 171 if (!m_pProperties->m_pThemeProvider) |
| 172 return; |
| 173 |
| 174 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; |
| 175 if (HasBorder()) |
| 176 DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); |
| 177 if (HasEdge()) |
| 178 DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); |
| 179 |
| 180 if (!IsDropDownStyle()) { |
| 181 CFX_RectF rtTextBk(m_rtClient); |
| 182 rtTextBk.width -= m_rtBtn.width; |
| 183 |
| 184 CFWL_ThemeBackground param; |
| 185 param.m_pWidget = this; |
| 186 param.m_iPart = CFWL_Part::Background; |
| 187 param.m_pGraphics = pGraphics; |
| 188 if (pMatrix) |
| 189 param.m_matrix.Concat(*pMatrix); |
| 190 param.m_rtPart = rtTextBk; |
| 191 |
| 192 if (m_iCurSel >= 0) { |
| 193 if (void* p = m_pListBox->GetItemData( |
| 194 m_pListBox.get(), |
| 195 m_pListBox->GetItem(m_pListBox.get(), m_iCurSel))) { |
| 196 param.m_pData = p; |
| 197 } |
| 198 } |
| 199 |
| 200 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { |
| 201 param.m_dwStates = CFWL_PartState_Disabled; |
| 202 } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) && |
| 203 (m_iCurSel >= 0)) { |
| 204 param.m_dwStates = CFWL_PartState_Selected; |
| 205 } else { |
| 206 param.m_dwStates = CFWL_PartState_Normal; |
| 207 } |
| 208 pTheme->DrawBackground(¶m); |
| 209 |
| 210 if (m_iCurSel >= 0) { |
| 211 if (!m_pListBox) |
| 212 return; |
| 213 |
| 214 CFX_WideString wsText; |
| 215 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); |
| 216 m_pListBox->GetDataProviderItemText(hItem, wsText); |
| 217 |
| 218 CFWL_ThemeText theme_text; |
| 219 theme_text.m_pWidget = this; |
| 220 theme_text.m_iPart = CFWL_Part::Caption; |
| 221 theme_text.m_dwStates = m_iBtnState; |
| 222 theme_text.m_pGraphics = pGraphics; |
| 223 theme_text.m_matrix.Concat(*pMatrix); |
| 224 theme_text.m_rtPart = rtTextBk; |
| 225 theme_text.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) |
| 226 ? CFWL_PartState_Selected |
| 227 : CFWL_PartState_Normal; |
| 228 theme_text.m_wsText = wsText; |
| 229 theme_text.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; |
| 230 theme_text.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; |
| 231 pTheme->DrawText(&theme_text); |
| 232 } |
| 233 } |
| 234 |
| 235 CFWL_ThemeBackground param; |
| 236 param.m_pWidget = this; |
| 237 param.m_iPart = CFWL_Part::DropDownButton; |
| 238 param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) |
| 239 ? CFWL_PartState_Disabled |
| 240 : m_iBtnState; |
| 241 param.m_pGraphics = pGraphics; |
| 242 param.m_matrix.Concat(*pMatrix); |
| 243 param.m_rtPart = m_rtBtn; |
| 244 pTheme->DrawBackground(¶m); |
| 245 } |
| 246 |
| 247 void CFWL_ComboBox::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { |
| 248 if (!pThemeProvider) |
| 249 return; |
| 250 |
| 251 m_pProperties->m_pThemeProvider = pThemeProvider; |
| 252 if (m_pListBox) |
| 253 m_pListBox->SetThemeProvider(pThemeProvider); |
| 254 if (m_pEdit) |
| 255 m_pEdit->SetThemeProvider(pThemeProvider); |
49 } | 256 } |
50 | 257 |
51 void CFWL_ComboBox::GetTextByIndex(int32_t iIndex, | 258 void CFWL_ComboBox::GetTextByIndex(int32_t iIndex, |
52 CFX_WideString& wsText) const { | 259 CFX_WideString& wsText) const { |
53 if (!GetWidget()) | 260 CFWL_ListItem* pItem = static_cast<CFWL_ListItem*>( |
54 return; | 261 m_pListBox->GetItem(m_pListBox.get(), iIndex)); |
55 ToComboBox(GetWidget())->GetTextByIndex(iIndex, wsText); | 262 if (pItem) |
56 } | 263 wsText = pItem->m_wsText; |
57 | |
58 int32_t CFWL_ComboBox::GetCurSel() const { | |
59 return GetWidget() ? ToComboBox(GetWidget())->GetCurSel() : -1; | |
60 } | 264 } |
61 | 265 |
62 void CFWL_ComboBox::SetCurSel(int32_t iSel) { | 266 void CFWL_ComboBox::SetCurSel(int32_t iSel) { |
63 if (GetWidget()) | 267 int32_t iCount = m_pListBox->CountItems(nullptr); |
64 ToComboBox(GetWidget())->SetCurSel(iSel); | 268 bool bClearSel = iSel < 0 || iSel >= iCount; |
| 269 if (IsDropDownStyle() && m_pEdit) { |
| 270 if (bClearSel) { |
| 271 m_pEdit->SetText(CFX_WideString()); |
| 272 } else { |
| 273 CFX_WideString wsText; |
| 274 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iSel); |
| 275 m_pListBox->GetDataProviderItemText(hItem, wsText); |
| 276 m_pEdit->SetText(wsText); |
| 277 } |
| 278 m_pEdit->Update(); |
| 279 } |
| 280 m_iCurSel = bClearSel ? -1 : iSel; |
| 281 } |
| 282 |
| 283 void CFWL_ComboBox::SetStates(uint32_t dwStates, bool bSet) { |
| 284 if (IsDropDownStyle() && m_pEdit) |
| 285 m_pEdit->SetStates(dwStates, bSet); |
| 286 if (m_pListBox) |
| 287 m_pListBox->SetStates(dwStates, bSet); |
| 288 CFWL_Widget::SetStates(dwStates, bSet); |
65 } | 289 } |
66 | 290 |
67 void CFWL_ComboBox::SetEditText(const CFX_WideString& wsText) { | 291 void CFWL_ComboBox::SetEditText(const CFX_WideString& wsText) { |
68 if (GetWidget()) | 292 if (!m_pEdit) |
69 ToComboBox(GetWidget())->SetEditText(wsText); | 293 return; |
| 294 |
| 295 m_pEdit->SetText(wsText); |
| 296 m_pEdit->Update(); |
70 } | 297 } |
71 | 298 |
72 void CFWL_ComboBox::GetEditText(CFX_WideString& wsText, | 299 void CFWL_ComboBox::GetEditText(CFX_WideString& wsText, |
73 int32_t nStart, | 300 int32_t nStart, |
74 int32_t nCount) const { | 301 int32_t nCount) const { |
75 if (GetWidget()) | 302 if (m_pEdit) { |
76 ToComboBox(GetWidget())->GetEditText(wsText, nStart, nCount); | 303 m_pEdit->GetText(wsText, nStart, nCount); |
| 304 return; |
| 305 } |
| 306 if (!m_pListBox) |
| 307 return; |
| 308 |
| 309 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); |
| 310 m_pListBox->GetDataProviderItemText(hItem, wsText); |
77 } | 311 } |
78 | 312 |
79 void CFWL_ComboBox::OpenDropDownList(bool bActivate) { | 313 void CFWL_ComboBox::OpenDropDownList(bool bActivate) { |
80 ToComboBox(GetWidget())->OpenDropDownList(bActivate); | 314 ShowDropList(bActivate); |
81 } | 315 } |
82 | 316 |
83 bool CFWL_ComboBox::EditCanUndo() { | 317 void CFWL_ComboBox::GetBBox(CFX_RectF& rect) const { |
84 return GetWidget() ? ToComboBox(GetWidget())->EditCanUndo() : false; | 318 if (m_pWidgetMgr->IsFormDisabled()) { |
85 } | 319 DisForm_GetBBox(rect); |
86 | 320 return; |
87 bool CFWL_ComboBox::EditCanRedo() { | 321 } |
88 return GetWidget() ? ToComboBox(GetWidget())->EditCanRedo() : false; | 322 |
89 } | 323 rect = m_pProperties->m_rtWidget; |
90 | 324 if (!m_pListBox || !IsDropListVisible()) |
91 bool CFWL_ComboBox::EditUndo() { | 325 return; |
92 return GetWidget() ? ToComboBox(GetWidget())->EditUndo() : false; | 326 |
93 } | 327 CFX_RectF rtList; |
94 | 328 m_pListBox->GetWidgetRect(rtList); |
95 bool CFWL_ComboBox::EditRedo() { | 329 rtList.Offset(rect.left, rect.top); |
96 return GetWidget() ? ToComboBox(GetWidget())->EditRedo() : false; | 330 rect.Union(rtList); |
97 } | |
98 | |
99 bool CFWL_ComboBox::EditCanCopy() { | |
100 return GetWidget() ? ToComboBox(GetWidget())->EditCanCopy() : false; | |
101 } | |
102 | |
103 bool CFWL_ComboBox::EditCanCut() { | |
104 return GetWidget() ? ToComboBox(GetWidget())->EditCanCut() : false; | |
105 } | |
106 | |
107 bool CFWL_ComboBox::EditCanSelectAll() { | |
108 return GetWidget() ? ToComboBox(GetWidget())->EditCanSelectAll() : false; | |
109 } | |
110 | |
111 bool CFWL_ComboBox::EditCopy(CFX_WideString& wsCopy) { | |
112 return GetWidget() ? ToComboBox(GetWidget())->EditCopy(wsCopy) : false; | |
113 } | |
114 | |
115 bool CFWL_ComboBox::EditCut(CFX_WideString& wsCut) { | |
116 return GetWidget() ? ToComboBox(GetWidget())->EditCut(wsCut) : false; | |
117 } | |
118 | |
119 bool CFWL_ComboBox::EditPaste(const CFX_WideString& wsPaste) { | |
120 return GetWidget() ? ToComboBox(GetWidget())->EditPaste(wsPaste) : false; | |
121 } | |
122 | |
123 void CFWL_ComboBox::EditSelectAll() { | |
124 if (GetWidget()) | |
125 ToComboBox(GetWidget())->EditSelectAll(); | |
126 } | |
127 | |
128 void CFWL_ComboBox::EditDelete() { | |
129 if (GetWidget()) | |
130 ToComboBox(GetWidget())->EditDelete(); | |
131 } | |
132 | |
133 void CFWL_ComboBox::EditDeSelect() { | |
134 if (GetWidget()) | |
135 ToComboBox(GetWidget())->EditDeSelect(); | |
136 } | |
137 | |
138 void CFWL_ComboBox::GetBBox(CFX_RectF& rect) { | |
139 if (GetWidget()) | |
140 ToComboBox(GetWidget())->GetBBox(rect); | |
141 } | 331 } |
142 | 332 |
143 void CFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded, | 333 void CFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded, |
144 uint32_t dwStylesExRemoved) { | 334 uint32_t dwStylesExRemoved) { |
145 if (GetWidget()) { | 335 if (m_pEdit) |
146 ToComboBox(GetWidget()) | 336 m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); |
147 ->EditModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); | 337 } |
148 } | 338 |
149 } | 339 void CFWL_ComboBox::DrawStretchHandler(CFX_Graphics* pGraphics, |
| 340 const CFX_Matrix* pMatrix) { |
| 341 CFWL_ThemeBackground param; |
| 342 param.m_pGraphics = pGraphics; |
| 343 param.m_iPart = CFWL_Part::StretchHandler; |
| 344 param.m_dwStates = CFWL_PartState_Normal; |
| 345 param.m_pWidget = this; |
| 346 if (pMatrix) |
| 347 param.m_matrix.Concat(*pMatrix); |
| 348 param.m_rtPart = m_rtHandler; |
| 349 m_pProperties->m_pThemeProvider->DrawBackground(¶m); |
| 350 } |
| 351 |
| 352 void CFWL_ComboBox::ShowDropList(bool bActivate) { |
| 353 if (m_pWidgetMgr->IsFormDisabled()) |
| 354 return DisForm_ShowDropList(bActivate); |
| 355 if (IsDropListVisible() == bActivate) |
| 356 return; |
| 357 if (!m_pComboBoxProxy) |
| 358 InitProxyForm(); |
| 359 |
| 360 m_pComboBoxProxy->Reset(); |
| 361 if (!bActivate) { |
| 362 m_pComboBoxProxy->EndDoModal(); |
| 363 |
| 364 m_bLButtonDown = false; |
| 365 m_pListBox->SetNotifyOwner(true); |
| 366 SetFocus(true); |
| 367 return; |
| 368 } |
| 369 |
| 370 m_pListBox->ChangeSelected(m_iCurSel); |
| 371 ResetListItemAlignment(); |
| 372 |
| 373 uint32_t dwStyleAdd = m_pProperties->m_dwStyleExes & |
| 374 (FWL_STYLEEXT_CMB_Sort | FWL_STYLEEXT_CMB_OwnerDraw); |
| 375 m_pListBox->ModifyStylesEx(dwStyleAdd, 0); |
| 376 m_pListBox->GetWidgetRect(m_rtList, true); |
| 377 |
| 378 CFX_RectF rtAnchor; |
| 379 rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width, |
| 380 m_pProperties->m_rtWidget.height); |
| 381 |
| 382 m_rtList.width = std::max(m_rtList.width, m_rtClient.width); |
| 383 m_rtProxy = m_rtList; |
| 384 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) |
| 385 m_rtProxy.height += m_fComboFormHandler; |
| 386 |
| 387 GetPopupPos(0, m_rtProxy.height, rtAnchor, m_rtProxy); |
| 388 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) { |
| 389 FX_FLOAT fx = 0; |
| 390 FX_FLOAT fy = m_rtClient.top + m_rtClient.height / 2; |
| 391 TransformTo(nullptr, fx, fy); |
| 392 |
| 393 m_bUpFormHandler = fy > m_rtProxy.top; |
| 394 if (m_bUpFormHandler) { |
| 395 m_rtHandler.Set(0, 0, m_rtList.width, m_fComboFormHandler); |
| 396 m_rtList.top = m_fComboFormHandler; |
| 397 } else { |
| 398 m_rtHandler.Set(0, m_rtList.height, m_rtList.width, m_fComboFormHandler); |
| 399 } |
| 400 } |
| 401 m_pComboBoxProxy->SetWidgetRect(m_rtProxy); |
| 402 m_pComboBoxProxy->Update(); |
| 403 m_pListBox->SetWidgetRect(m_rtList); |
| 404 m_pListBox->Update(); |
| 405 |
| 406 CFWL_EvtPreDropDown ev; |
| 407 ev.m_pSrcTarget = this; |
| 408 DispatchEvent(&ev); |
| 409 |
| 410 m_fItemHeight = m_pListBox->GetItemHeight(); |
| 411 m_pListBox->SetFocus(true); |
| 412 m_pComboBoxProxy->DoModal(); |
| 413 m_pListBox->SetFocus(false); |
| 414 } |
| 415 |
| 416 void CFWL_ComboBox::MatchEditText() { |
| 417 CFX_WideString wsText; |
| 418 m_pEdit->GetText(wsText); |
| 419 int32_t iMatch = m_pListBox->MatchItem(wsText); |
| 420 if (iMatch != m_iCurSel) { |
| 421 m_pListBox->ChangeSelected(iMatch); |
| 422 if (iMatch >= 0) |
| 423 SyncEditText(iMatch); |
| 424 } else if (iMatch >= 0) { |
| 425 m_pEdit->SetSelected(); |
| 426 } |
| 427 m_iCurSel = iMatch; |
| 428 } |
| 429 |
| 430 void CFWL_ComboBox::SyncEditText(int32_t iListItem) { |
| 431 CFX_WideString wsText; |
| 432 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iListItem); |
| 433 m_pListBox->GetDataProviderItemText(hItem, wsText); |
| 434 m_pEdit->SetText(wsText); |
| 435 m_pEdit->Update(); |
| 436 m_pEdit->SetSelected(); |
| 437 } |
| 438 |
| 439 void CFWL_ComboBox::Layout() { |
| 440 if (m_pWidgetMgr->IsFormDisabled()) |
| 441 return DisForm_Layout(); |
| 442 |
| 443 GetClientRect(m_rtClient); |
| 444 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( |
| 445 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); |
| 446 if (!pFWidth) |
| 447 return; |
| 448 |
| 449 FX_FLOAT fBtn = *pFWidth; |
| 450 m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn, |
| 451 m_rtClient.height); |
| 452 if (!IsDropDownStyle() || !m_pEdit) |
| 453 return; |
| 454 |
| 455 CFX_RectF rtEdit; |
| 456 rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn, |
| 457 m_rtClient.height); |
| 458 m_pEdit->SetWidgetRect(rtEdit); |
| 459 |
| 460 if (m_iCurSel >= 0) { |
| 461 CFX_WideString wsText; |
| 462 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); |
| 463 m_pListBox->GetDataProviderItemText(hItem, wsText); |
| 464 m_pEdit->LockUpdate(); |
| 465 m_pEdit->SetText(wsText); |
| 466 m_pEdit->UnlockUpdate(); |
| 467 } |
| 468 m_pEdit->Update(); |
| 469 } |
| 470 |
| 471 void CFWL_ComboBox::ResetTheme() { |
| 472 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; |
| 473 if (!pTheme) { |
| 474 pTheme = GetAvailableTheme(); |
| 475 m_pProperties->m_pThemeProvider = pTheme; |
| 476 } |
| 477 if (m_pListBox && !m_pListBox->GetThemeProvider()) |
| 478 m_pListBox->SetThemeProvider(pTheme); |
| 479 if (m_pEdit && !m_pEdit->GetThemeProvider()) |
| 480 m_pEdit->SetThemeProvider(pTheme); |
| 481 } |
| 482 |
| 483 void CFWL_ComboBox::ResetEditAlignment() { |
| 484 if (!m_pEdit) |
| 485 return; |
| 486 |
| 487 uint32_t dwAdd = 0; |
| 488 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditHAlignMask) { |
| 489 case FWL_STYLEEXT_CMB_EditHCenter: { |
| 490 dwAdd |= FWL_STYLEEXT_EDT_HCenter; |
| 491 break; |
| 492 } |
| 493 case FWL_STYLEEXT_CMB_EditHFar: { |
| 494 dwAdd |= FWL_STYLEEXT_EDT_HFar; |
| 495 break; |
| 496 } |
| 497 default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; } |
| 498 } |
| 499 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditVAlignMask) { |
| 500 case FWL_STYLEEXT_CMB_EditVCenter: { |
| 501 dwAdd |= FWL_STYLEEXT_EDT_VCenter; |
| 502 break; |
| 503 } |
| 504 case FWL_STYLEEXT_CMB_EditVFar: { |
| 505 dwAdd |= FWL_STYLEEXT_EDT_VFar; |
| 506 break; |
| 507 } |
| 508 default: { |
| 509 dwAdd |= FWL_STYLEEXT_EDT_VNear; |
| 510 break; |
| 511 } |
| 512 } |
| 513 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditJustified) |
| 514 dwAdd |= FWL_STYLEEXT_EDT_Justified; |
| 515 if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_EditDistributed) |
| 516 dwAdd |= FWL_STYLEEXT_EDT_Distributed; |
| 517 |
| 518 m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask | |
| 519 FWL_STYLEEXT_EDT_HAlignModeMask | |
| 520 FWL_STYLEEXT_EDT_VAlignMask); |
| 521 } |
| 522 |
| 523 void CFWL_ComboBox::ResetListItemAlignment() { |
| 524 if (!m_pListBox) |
| 525 return; |
| 526 |
| 527 uint32_t dwAdd = 0; |
| 528 switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemAlignMask) { |
| 529 case FWL_STYLEEXT_CMB_ListItemCenterAlign: { |
| 530 dwAdd |= FWL_STYLEEXT_LTB_CenterAlign; |
| 531 break; |
| 532 } |
| 533 case FWL_STYLEEXT_CMB_ListItemRightAlign: { |
| 534 dwAdd |= FWL_STYLEEXT_LTB_RightAlign; |
| 535 break; |
| 536 } |
| 537 default: { |
| 538 dwAdd |= FWL_STYLEEXT_LTB_LeftAlign; |
| 539 break; |
| 540 } |
| 541 } |
| 542 m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask); |
| 543 } |
| 544 |
| 545 void CFWL_ComboBox::ProcessSelChanged(bool bLButtonUp) { |
| 546 m_iCurSel = m_pListBox->GetItemIndex(this, m_pListBox->GetSelItem(0)); |
| 547 if (!IsDropDownStyle()) { |
| 548 Repaint(&m_rtClient); |
| 549 return; |
| 550 } |
| 551 |
| 552 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); |
| 553 if (!hItem) |
| 554 return; |
| 555 |
| 556 CFX_WideString wsText; |
| 557 m_pListBox->GetItemText(this, hItem, wsText); |
| 558 if (m_pEdit) { |
| 559 m_pEdit->SetText(wsText); |
| 560 m_pEdit->Update(); |
| 561 m_pEdit->SetSelected(); |
| 562 } |
| 563 |
| 564 CFWL_EvtSelectChanged ev; |
| 565 ev.bLButtonUp = bLButtonUp; |
| 566 ev.m_pSrcTarget = this; |
| 567 DispatchEvent(&ev); |
| 568 } |
| 569 |
| 570 void CFWL_ComboBox::InitProxyForm() { |
| 571 if (m_pComboBoxProxy) |
| 572 return; |
| 573 if (!m_pListBox) |
| 574 return; |
| 575 |
| 576 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); |
| 577 prop->m_pOwner = this; |
| 578 prop->m_dwStyles = FWL_WGTSTYLE_Popup; |
| 579 prop->m_dwStates = FWL_WGTSTATE_Invisible; |
| 580 |
| 581 // TODO(dsinclair): Does this leak? I don't see a delete, but I'm not sure |
| 582 // if the SetParent call is going to transfer ownership. |
| 583 m_pComboBoxProxy = new CFWL_ComboBoxProxy(this, m_pOwnerApp, std::move(prop), |
| 584 m_pListBox.get()); |
| 585 m_pListBox->SetParent(m_pComboBoxProxy); |
| 586 } |
| 587 |
| 588 void CFWL_ComboBox::DisForm_InitComboList() { |
| 589 if (m_pListBox) |
| 590 return; |
| 591 |
| 592 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); |
| 593 prop->m_pParent = this; |
| 594 prop->m_dwStyles = FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; |
| 595 prop->m_dwStates = FWL_WGTSTATE_Invisible; |
| 596 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; |
| 597 m_pListBox = |
| 598 pdfium::MakeUnique<CFWL_ComboList>(m_pOwnerApp, std::move(prop), this); |
| 599 } |
| 600 |
| 601 void CFWL_ComboBox::DisForm_InitComboEdit() { |
| 602 if (m_pEdit) |
| 603 return; |
| 604 |
| 605 auto prop = pdfium::MakeUnique<CFWL_WidgetProperties>(); |
| 606 prop->m_pParent = this; |
| 607 prop->m_pThemeProvider = m_pProperties->m_pThemeProvider; |
| 608 |
| 609 m_pEdit = |
| 610 pdfium::MakeUnique<CFWL_ComboEdit>(m_pOwnerApp, std::move(prop), this); |
| 611 m_pEdit->SetOuter(this); |
| 612 } |
| 613 |
| 614 void CFWL_ComboBox::DisForm_ShowDropList(bool bActivate) { |
| 615 if (DisForm_IsDropListVisible() == bActivate) |
| 616 return; |
| 617 |
| 618 if (bActivate) { |
| 619 CFWL_EvtPreDropDown preEvent; |
| 620 preEvent.m_pSrcTarget = this; |
| 621 DispatchEvent(&preEvent); |
| 622 |
| 623 CFWL_ComboList* pComboList = m_pListBox.get(); |
| 624 int32_t iItems = pComboList->CountItems(nullptr); |
| 625 if (iItems < 1) |
| 626 return; |
| 627 |
| 628 ResetListItemAlignment(); |
| 629 pComboList->ChangeSelected(m_iCurSel); |
| 630 |
| 631 FX_FLOAT fItemHeight = pComboList->CalcItemHeight(); |
| 632 FX_FLOAT fBorder = GetBorderSize(); |
| 633 FX_FLOAT fPopupMin = 0.0f; |
| 634 if (iItems > 3) |
| 635 fPopupMin = fItemHeight * 3 + fBorder * 2; |
| 636 |
| 637 FX_FLOAT fPopupMax = fItemHeight * iItems + fBorder * 2; |
| 638 CFX_RectF rtList; |
| 639 rtList.left = m_rtClient.left; |
| 640 rtList.width = m_pProperties->m_rtWidget.width; |
| 641 rtList.top = 0; |
| 642 rtList.height = 0; |
| 643 GetPopupPos(fPopupMin, fPopupMax, m_pProperties->m_rtWidget, rtList); |
| 644 |
| 645 m_pListBox->SetWidgetRect(rtList); |
| 646 m_pListBox->Update(); |
| 647 } else { |
| 648 SetFocus(true); |
| 649 } |
| 650 |
| 651 m_pListBox->SetStates(FWL_WGTSTATE_Invisible, !bActivate); |
| 652 if (bActivate) { |
| 653 CFWL_EvtPostDropDown postEvent; |
| 654 postEvent.m_pSrcTarget = this; |
| 655 DispatchEvent(&postEvent); |
| 656 } |
| 657 |
| 658 CFX_RectF rect; |
| 659 m_pListBox->GetWidgetRect(rect); |
| 660 rect.Inflate(2, 2); |
| 661 Repaint(&rect); |
| 662 } |
| 663 |
| 664 void CFWL_ComboBox::DisForm_ModifyStylesEx(uint32_t dwStylesExAdded, |
| 665 uint32_t dwStylesExRemoved) { |
| 666 if (!m_pEdit) |
| 667 DisForm_InitComboEdit(); |
| 668 |
| 669 bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); |
| 670 bool bDelDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown); |
| 671 |
| 672 dwStylesExRemoved &= ~FWL_STYLEEXT_CMB_DropDown; |
| 673 m_pProperties->m_dwStyleExes |= FWL_STYLEEXT_CMB_DropDown; |
| 674 |
| 675 if (bAddDropDown) |
| 676 m_pEdit->ModifyStylesEx(0, FWL_STYLEEXT_EDT_ReadOnly); |
| 677 else if (bDelDropDown) |
| 678 m_pEdit->ModifyStylesEx(FWL_STYLEEXT_EDT_ReadOnly, 0); |
| 679 CFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); |
| 680 } |
| 681 |
| 682 void CFWL_ComboBox::DisForm_Update() { |
| 683 if (m_iLock) |
| 684 return; |
| 685 if (m_pEdit) |
| 686 ResetEditAlignment(); |
| 687 ResetTheme(); |
| 688 Layout(); |
| 689 } |
| 690 |
| 691 FWL_WidgetHit CFWL_ComboBox::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) { |
| 692 CFX_RectF rect; |
| 693 rect.Set(0, 0, m_pProperties->m_rtWidget.width - m_rtBtn.width, |
| 694 m_pProperties->m_rtWidget.height); |
| 695 if (rect.Contains(fx, fy)) |
| 696 return FWL_WidgetHit::Edit; |
| 697 if (m_rtBtn.Contains(fx, fy)) |
| 698 return FWL_WidgetHit::Client; |
| 699 if (DisForm_IsDropListVisible()) { |
| 700 m_pListBox->GetWidgetRect(rect); |
| 701 if (rect.Contains(fx, fy)) |
| 702 return FWL_WidgetHit::Client; |
| 703 } |
| 704 return FWL_WidgetHit::Unknown; |
| 705 } |
| 706 |
| 707 void CFWL_ComboBox::DisForm_DrawWidget(CFX_Graphics* pGraphics, |
| 708 const CFX_Matrix* pMatrix) { |
| 709 IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; |
| 710 CFX_Matrix mtOrg; |
| 711 mtOrg.Set(1, 0, 0, 1, 0, 0); |
| 712 if (pMatrix) |
| 713 mtOrg = *pMatrix; |
| 714 |
| 715 pGraphics->SaveGraphState(); |
| 716 pGraphics->ConcatMatrix(&mtOrg); |
| 717 if (!m_rtBtn.IsEmpty(0.1f)) { |
| 718 CFWL_ThemeBackground param; |
| 719 param.m_pWidget = this; |
| 720 param.m_iPart = CFWL_Part::DropDownButton; |
| 721 param.m_dwStates = m_iBtnState; |
| 722 param.m_pGraphics = pGraphics; |
| 723 param.m_rtPart = m_rtBtn; |
| 724 pTheme->DrawBackground(¶m); |
| 725 } |
| 726 pGraphics->RestoreGraphState(); |
| 727 |
| 728 if (m_pEdit) { |
| 729 CFX_RectF rtEdit; |
| 730 m_pEdit->GetWidgetRect(rtEdit); |
| 731 CFX_Matrix mt; |
| 732 mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top); |
| 733 mt.Concat(mtOrg); |
| 734 m_pEdit->DrawWidget(pGraphics, &mt); |
| 735 } |
| 736 if (m_pListBox && DisForm_IsDropListVisible()) { |
| 737 CFX_RectF rtList; |
| 738 m_pListBox->GetWidgetRect(rtList); |
| 739 CFX_Matrix mt; |
| 740 mt.Set(1, 0, 0, 1, rtList.left, rtList.top); |
| 741 mt.Concat(mtOrg); |
| 742 m_pListBox->DrawWidget(pGraphics, &mt); |
| 743 } |
| 744 } |
| 745 |
| 746 void CFWL_ComboBox::DisForm_GetBBox(CFX_RectF& rect) const { |
| 747 rect = m_pProperties->m_rtWidget; |
| 748 if (!m_pListBox || !DisForm_IsDropListVisible()) |
| 749 return; |
| 750 |
| 751 CFX_RectF rtList; |
| 752 m_pListBox->GetWidgetRect(rtList); |
| 753 rtList.Offset(rect.left, rect.top); |
| 754 rect.Union(rtList); |
| 755 } |
| 756 |
| 757 void CFWL_ComboBox::DisForm_Layout() { |
| 758 GetClientRect(m_rtClient); |
| 759 m_rtContent = m_rtClient; |
| 760 FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( |
| 761 GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); |
| 762 if (!pFWidth) |
| 763 return; |
| 764 |
| 765 FX_FLOAT borderWidth = 1; |
| 766 FX_FLOAT fBtn = *pFWidth; |
| 767 if (!(GetStylesEx() & FWL_STYLEEXT_CMB_ReadOnly)) { |
| 768 m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top + borderWidth, |
| 769 fBtn - borderWidth, m_rtClient.height - 2 * borderWidth); |
| 770 } |
| 771 |
| 772 CFX_RectF* pUIMargin = |
| 773 static_cast<CFX_RectF*>(GetThemeCapacity(CFWL_WidgetCapacity::UIMargin)); |
| 774 if (pUIMargin) { |
| 775 m_rtContent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width, |
| 776 pUIMargin->height); |
| 777 } |
| 778 |
| 779 if (!IsDropDownStyle() || !m_pEdit) |
| 780 return; |
| 781 |
| 782 CFX_RectF rtEdit; |
| 783 rtEdit.Set(m_rtContent.left, m_rtContent.top, m_rtContent.width - fBtn, |
| 784 m_rtContent.height); |
| 785 m_pEdit->SetWidgetRect(rtEdit); |
| 786 |
| 787 if (m_iCurSel >= 0) { |
| 788 CFX_WideString wsText; |
| 789 CFWL_ListItem* hItem = m_pListBox->GetItem(this, m_iCurSel); |
| 790 m_pListBox->GetDataProviderItemText(hItem, wsText); |
| 791 m_pEdit->LockUpdate(); |
| 792 m_pEdit->SetText(wsText); |
| 793 m_pEdit->UnlockUpdate(); |
| 794 } |
| 795 m_pEdit->Update(); |
| 796 } |
| 797 |
| 798 void CFWL_ComboBox::OnProcessMessage(CFWL_Message* pMessage) { |
| 799 if (m_pWidgetMgr->IsFormDisabled()) { |
| 800 DisForm_OnProcessMessage(pMessage); |
| 801 return; |
| 802 } |
| 803 if (!pMessage) |
| 804 return; |
| 805 |
| 806 switch (pMessage->GetClassID()) { |
| 807 case CFWL_MessageType::SetFocus: |
| 808 OnFocusChanged(pMessage, true); |
| 809 break; |
| 810 case CFWL_MessageType::KillFocus: |
| 811 OnFocusChanged(pMessage, false); |
| 812 break; |
| 813 case CFWL_MessageType::Mouse: { |
| 814 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); |
| 815 switch (pMsg->m_dwCmd) { |
| 816 case FWL_MouseCommand::LeftButtonDown: |
| 817 OnLButtonDown(pMsg); |
| 818 break; |
| 819 case FWL_MouseCommand::LeftButtonUp: |
| 820 OnLButtonUp(pMsg); |
| 821 break; |
| 822 case FWL_MouseCommand::Move: |
| 823 OnMouseMove(pMsg); |
| 824 break; |
| 825 case FWL_MouseCommand::Leave: |
| 826 OnMouseLeave(pMsg); |
| 827 break; |
| 828 default: |
| 829 break; |
| 830 } |
| 831 break; |
| 832 } |
| 833 case CFWL_MessageType::Key: |
| 834 OnKey(static_cast<CFWL_MsgKey*>(pMessage)); |
| 835 break; |
| 836 default: |
| 837 break; |
| 838 } |
| 839 |
| 840 CFWL_Widget::OnProcessMessage(pMessage); |
| 841 } |
| 842 |
| 843 void CFWL_ComboBox::OnProcessEvent(CFWL_Event* pEvent) { |
| 844 CFWL_EventType dwFlag = pEvent->GetClassID(); |
| 845 if (dwFlag == CFWL_EventType::Scroll) { |
| 846 CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent); |
| 847 CFWL_EvtScroll pScrollEv; |
| 848 pScrollEv.m_pSrcTarget = this; |
| 849 pScrollEv.m_iScrollCode = pScrollEvent->m_iScrollCode; |
| 850 pScrollEv.m_fPos = pScrollEvent->m_fPos; |
| 851 DispatchEvent(&pScrollEv); |
| 852 } else if (dwFlag == CFWL_EventType::TextChanged) { |
| 853 CFWL_EvtEditChanged pTemp; |
| 854 pTemp.m_pSrcTarget = this; |
| 855 DispatchEvent(&pTemp); |
| 856 } |
| 857 } |
| 858 |
| 859 void CFWL_ComboBox::OnDrawWidget(CFX_Graphics* pGraphics, |
| 860 const CFX_Matrix* pMatrix) { |
| 861 DrawWidget(pGraphics, pMatrix); |
| 862 } |
| 863 |
| 864 void CFWL_ComboBox::OnFocusChanged(CFWL_Message* pMsg, bool bSet) { |
| 865 if (bSet) { |
| 866 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; |
| 867 if (IsDropDownStyle() && pMsg->m_pSrcTarget != m_pListBox.get()) { |
| 868 if (!m_pEdit) |
| 869 return; |
| 870 m_pEdit->SetSelected(); |
| 871 return; |
| 872 } |
| 873 |
| 874 Repaint(&m_rtClient); |
| 875 return; |
| 876 } |
| 877 |
| 878 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; |
| 879 if (!IsDropDownStyle() || pMsg->m_pDstTarget == m_pListBox.get()) { |
| 880 Repaint(&m_rtClient); |
| 881 return; |
| 882 } |
| 883 if (!m_pEdit) |
| 884 return; |
| 885 |
| 886 m_pEdit->FlagFocus(false); |
| 887 m_pEdit->ClearSelected(); |
| 888 } |
| 889 |
| 890 void CFWL_ComboBox::OnLButtonDown(CFWL_MsgMouse* pMsg) { |
| 891 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) |
| 892 return; |
| 893 |
| 894 CFX_RectF& rtBtn = IsDropDownStyle() ? m_rtBtn : m_rtClient; |
| 895 if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) |
| 896 return; |
| 897 |
| 898 if (IsDropDownStyle() && m_pEdit) |
| 899 MatchEditText(); |
| 900 |
| 901 m_bLButtonDown = true; |
| 902 m_iBtnState = CFWL_PartState_Pressed; |
| 903 Repaint(&m_rtClient); |
| 904 |
| 905 ShowDropList(true); |
| 906 m_iBtnState = CFWL_PartState_Normal; |
| 907 Repaint(&m_rtClient); |
| 908 } |
| 909 |
| 910 void CFWL_ComboBox::OnLButtonUp(CFWL_MsgMouse* pMsg) { |
| 911 m_bLButtonDown = false; |
| 912 if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) |
| 913 m_iBtnState = CFWL_PartState_Hovered; |
| 914 else |
| 915 m_iBtnState = CFWL_PartState_Normal; |
| 916 |
| 917 Repaint(&m_rtBtn); |
| 918 } |
| 919 |
| 920 void CFWL_ComboBox::OnMouseMove(CFWL_MsgMouse* pMsg) { |
| 921 int32_t iOldState = m_iBtnState; |
| 922 if (m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| 923 m_iBtnState = |
| 924 m_bLButtonDown ? CFWL_PartState_Pressed : CFWL_PartState_Hovered; |
| 925 } else { |
| 926 m_iBtnState = CFWL_PartState_Normal; |
| 927 } |
| 928 if ((iOldState != m_iBtnState) && |
| 929 !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == |
| 930 FWL_WGTSTATE_Disabled)) { |
| 931 Repaint(&m_rtBtn); |
| 932 } |
| 933 } |
| 934 |
| 935 void CFWL_ComboBox::OnMouseLeave(CFWL_MsgMouse* pMsg) { |
| 936 if (!IsDropListVisible() && |
| 937 !((m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == |
| 938 FWL_WGTSTATE_Disabled)) { |
| 939 m_iBtnState = CFWL_PartState_Normal; |
| 940 Repaint(&m_rtBtn); |
| 941 } |
| 942 } |
| 943 |
| 944 void CFWL_ComboBox::OnKey(CFWL_MsgKey* pMsg) { |
| 945 uint32_t dwKeyCode = pMsg->m_dwKeyCode; |
| 946 if (dwKeyCode == FWL_VKEY_Tab) { |
| 947 DispatchKeyEvent(pMsg); |
| 948 return; |
| 949 } |
| 950 if (pMsg->m_pDstTarget == this) |
| 951 DoSubCtrlKey(pMsg); |
| 952 } |
| 953 |
| 954 void CFWL_ComboBox::DoSubCtrlKey(CFWL_MsgKey* pMsg) { |
| 955 uint32_t dwKeyCode = pMsg->m_dwKeyCode; |
| 956 const bool bUp = dwKeyCode == FWL_VKEY_Up; |
| 957 const bool bDown = dwKeyCode == FWL_VKEY_Down; |
| 958 if (bUp || bDown) { |
| 959 int32_t iCount = m_pListBox->CountItems(nullptr); |
| 960 if (iCount < 1) |
| 961 return; |
| 962 |
| 963 bool bMatchEqual = false; |
| 964 int32_t iCurSel = m_iCurSel; |
| 965 bool bDropDown = IsDropDownStyle(); |
| 966 if (bDropDown && m_pEdit) { |
| 967 CFX_WideString wsText; |
| 968 m_pEdit->GetText(wsText); |
| 969 iCurSel = m_pListBox->MatchItem(wsText); |
| 970 if (iCurSel >= 0) { |
| 971 CFX_WideString wsTemp; |
| 972 CFWL_ListItem* hItem = m_pListBox->GetItem(this, iCurSel); |
| 973 m_pListBox->GetDataProviderItemText(hItem, wsTemp); |
| 974 bMatchEqual = wsText == wsTemp; |
| 975 } |
| 976 } |
| 977 if (iCurSel < 0) { |
| 978 iCurSel = 0; |
| 979 } else if (!bDropDown || bMatchEqual) { |
| 980 if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) |
| 981 return; |
| 982 if (bUp) |
| 983 iCurSel--; |
| 984 else |
| 985 iCurSel++; |
| 986 } |
| 987 m_iCurSel = iCurSel; |
| 988 if (bDropDown && m_pEdit) |
| 989 SyncEditText(m_iCurSel); |
| 990 else |
| 991 Repaint(&m_rtClient); |
| 992 return; |
| 993 } |
| 994 |
| 995 if (IsDropDownStyle()) |
| 996 m_pEdit->GetDelegate()->OnProcessMessage(pMsg); |
| 997 } |
| 998 |
| 999 void CFWL_ComboBox::DisForm_OnProcessMessage(CFWL_Message* pMessage) { |
| 1000 if (!pMessage) |
| 1001 return; |
| 1002 |
| 1003 bool backDefault = true; |
| 1004 switch (pMessage->GetClassID()) { |
| 1005 case CFWL_MessageType::SetFocus: { |
| 1006 backDefault = false; |
| 1007 DisForm_OnFocusChanged(pMessage, true); |
| 1008 break; |
| 1009 } |
| 1010 case CFWL_MessageType::KillFocus: { |
| 1011 backDefault = false; |
| 1012 DisForm_OnFocusChanged(pMessage, false); |
| 1013 break; |
| 1014 } |
| 1015 case CFWL_MessageType::Mouse: { |
| 1016 backDefault = false; |
| 1017 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); |
| 1018 switch (pMsg->m_dwCmd) { |
| 1019 case FWL_MouseCommand::LeftButtonDown: |
| 1020 DisForm_OnLButtonDown(pMsg); |
| 1021 break; |
| 1022 case FWL_MouseCommand::LeftButtonUp: |
| 1023 OnLButtonUp(pMsg); |
| 1024 break; |
| 1025 default: |
| 1026 break; |
| 1027 } |
| 1028 break; |
| 1029 } |
| 1030 case CFWL_MessageType::Key: { |
| 1031 backDefault = false; |
| 1032 CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage); |
| 1033 if (pKey->m_dwCmd == FWL_KeyCommand::KeyUp) |
| 1034 break; |
| 1035 if (DisForm_IsDropListVisible() && |
| 1036 pKey->m_dwCmd == FWL_KeyCommand::KeyDown) { |
| 1037 bool bListKey = pKey->m_dwKeyCode == FWL_VKEY_Up || |
| 1038 pKey->m_dwKeyCode == FWL_VKEY_Down || |
| 1039 pKey->m_dwKeyCode == FWL_VKEY_Return || |
| 1040 pKey->m_dwKeyCode == FWL_VKEY_Escape; |
| 1041 if (bListKey) { |
| 1042 m_pListBox->GetDelegate()->OnProcessMessage(pMessage); |
| 1043 break; |
| 1044 } |
| 1045 } |
| 1046 DisForm_OnKey(pKey); |
| 1047 break; |
| 1048 } |
| 1049 default: |
| 1050 break; |
| 1051 } |
| 1052 if (backDefault) |
| 1053 CFWL_Widget::OnProcessMessage(pMessage); |
| 1054 } |
| 1055 |
| 1056 void CFWL_ComboBox::DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg) { |
| 1057 bool bDropDown = DisForm_IsDropListVisible(); |
| 1058 CFX_RectF& rtBtn = bDropDown ? m_rtBtn : m_rtClient; |
| 1059 if (!rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) |
| 1060 return; |
| 1061 |
| 1062 if (DisForm_IsDropListVisible()) { |
| 1063 DisForm_ShowDropList(false); |
| 1064 return; |
| 1065 } |
| 1066 if (m_pEdit) |
| 1067 MatchEditText(); |
| 1068 DisForm_ShowDropList(true); |
| 1069 } |
| 1070 |
| 1071 void CFWL_ComboBox::DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet) { |
| 1072 if (bSet) { |
| 1073 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; |
| 1074 if ((m_pEdit->GetStates() & FWL_WGTSTATE_Focused) == 0) { |
| 1075 CFWL_MsgSetFocus msg; |
| 1076 msg.m_pDstTarget = m_pEdit.get(); |
| 1077 msg.m_pSrcTarget = nullptr; |
| 1078 m_pEdit->GetDelegate()->OnProcessMessage(&msg); |
| 1079 } |
| 1080 } else { |
| 1081 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; |
| 1082 DisForm_ShowDropList(false); |
| 1083 CFWL_MsgKillFocus msg; |
| 1084 msg.m_pDstTarget = nullptr; |
| 1085 msg.m_pSrcTarget = m_pEdit.get(); |
| 1086 m_pEdit->GetDelegate()->OnProcessMessage(&msg); |
| 1087 } |
| 1088 } |
| 1089 |
| 1090 void CFWL_ComboBox::DisForm_OnKey(CFWL_MsgKey* pMsg) { |
| 1091 uint32_t dwKeyCode = pMsg->m_dwKeyCode; |
| 1092 const bool bUp = dwKeyCode == FWL_VKEY_Up; |
| 1093 const bool bDown = dwKeyCode == FWL_VKEY_Down; |
| 1094 if (bUp || bDown) { |
| 1095 CFWL_ComboList* pComboList = m_pListBox.get(); |
| 1096 int32_t iCount = pComboList->CountItems(nullptr); |
| 1097 if (iCount < 1) |
| 1098 return; |
| 1099 |
| 1100 bool bMatchEqual = false; |
| 1101 int32_t iCurSel = m_iCurSel; |
| 1102 if (m_pEdit) { |
| 1103 CFX_WideString wsText; |
| 1104 m_pEdit->GetText(wsText); |
| 1105 iCurSel = pComboList->MatchItem(wsText); |
| 1106 if (iCurSel >= 0) { |
| 1107 CFX_WideString wsTemp; |
| 1108 CFWL_ListItem* item = m_pListBox->GetSelItem(iCurSel); |
| 1109 m_pListBox->GetDataProviderItemText(item, wsTemp); |
| 1110 bMatchEqual = wsText == wsTemp; |
| 1111 } |
| 1112 } |
| 1113 if (iCurSel < 0) { |
| 1114 iCurSel = 0; |
| 1115 } else if (bMatchEqual) { |
| 1116 if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) |
| 1117 return; |
| 1118 if (bUp) |
| 1119 iCurSel--; |
| 1120 else |
| 1121 iCurSel++; |
| 1122 } |
| 1123 m_iCurSel = iCurSel; |
| 1124 SyncEditText(m_iCurSel); |
| 1125 return; |
| 1126 } |
| 1127 if (m_pEdit) |
| 1128 m_pEdit->GetDelegate()->OnProcessMessage(pMsg); |
| 1129 } |
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