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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_pushbutton.h" | |
| 8 | |
| 9 #include <memory> | |
| 10 #include <utility> | |
| 11 | |
| 12 #include "third_party/base/ptr_util.h" | |
| 13 #include "xfa/fde/tto/fde_textout.h" | |
| 14 #include "xfa/fwl/core/cfwl_evtclick.h" | |
| 15 #include "xfa/fwl/core/cfwl_evtmouse.h" | |
| 16 #include "xfa/fwl/core/cfwl_msgkey.h" | |
| 17 #include "xfa/fwl/core/cfwl_msgmouse.h" | |
| 18 #include "xfa/fwl/core/cfwl_notedriver.h" | |
| 19 #include "xfa/fwl/core/cfwl_themebackground.h" | |
| 20 #include "xfa/fwl/core/cfwl_themetext.h" | |
| 21 #include "xfa/fwl/core/ifwl_themeprovider.h" | |
| 22 | |
| 23 IFWL_PushButton::IFWL_PushButton( | |
| 24 const CFWL_App* app, | |
| 25 std::unique_ptr<CFWL_WidgetProperties> properties) | |
| 26 : IFWL_Widget(app, std::move(properties), nullptr), | |
| 27 m_bBtnDown(false), | |
| 28 m_dwTTOStyles(FDE_TTOSTYLE_SingleLine), | |
| 29 m_iTTOAlign(FDE_TTOALIGNMENT_Center) { | |
| 30 m_rtClient.Set(0, 0, 0, 0); | |
| 31 m_rtCaption.Set(0, 0, 0, 0); | |
| 32 } | |
| 33 | |
| 34 IFWL_PushButton::~IFWL_PushButton() {} | |
| 35 | |
| 36 FWL_Type IFWL_PushButton::GetClassID() const { | |
| 37 return FWL_Type::PushButton; | |
| 38 } | |
| 39 | |
| 40 void IFWL_PushButton::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) { | |
| 41 if (!bAutoSize) { | |
| 42 rect = m_pProperties->m_rtWidget; | |
| 43 return; | |
| 44 } | |
| 45 | |
| 46 rect.Set(0, 0, 0, 0); | |
| 47 if (!m_pProperties->m_pThemeProvider) | |
| 48 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 49 | |
| 50 FX_FLOAT* fcaption = | |
| 51 static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin)); | |
| 52 rect.Inflate(*fcaption, *fcaption); | |
| 53 IFWL_Widget::GetWidgetRect(rect, true); | |
| 54 } | |
| 55 | |
| 56 void IFWL_PushButton::SetStates(uint32_t dwStates, bool bSet) { | |
| 57 if ((dwStates & FWL_WGTSTATE_Disabled) && bSet) { | |
| 58 m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled; | |
| 59 return; | |
| 60 } | |
| 61 IFWL_Widget::SetStates(dwStates, bSet); | |
| 62 } | |
| 63 | |
| 64 void IFWL_PushButton::Update() { | |
| 65 if (IsLocked()) | |
| 66 return; | |
| 67 if (!m_pProperties->m_pThemeProvider) | |
| 68 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 69 | |
| 70 UpdateTextOutStyles(); | |
| 71 GetClientRect(m_rtClient); | |
| 72 m_rtCaption = m_rtClient; | |
| 73 FX_FLOAT* fcaption = | |
| 74 static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin)); | |
| 75 m_rtCaption.Inflate(-*fcaption, -*fcaption); | |
| 76 } | |
| 77 | |
| 78 void IFWL_PushButton::DrawWidget(CFX_Graphics* pGraphics, | |
| 79 const CFX_Matrix* pMatrix) { | |
| 80 if (!pGraphics) | |
| 81 return; | |
| 82 if (!m_pProperties->m_pThemeProvider) | |
| 83 return; | |
| 84 | |
| 85 if (HasBorder()) { | |
| 86 DrawBorder(pGraphics, CFWL_Part::Border, m_pProperties->m_pThemeProvider, | |
| 87 pMatrix); | |
| 88 } | |
| 89 if (HasEdge()) { | |
| 90 DrawEdge(pGraphics, CFWL_Part::Edge, m_pProperties->m_pThemeProvider, | |
| 91 pMatrix); | |
| 92 } | |
| 93 DrawBkground(pGraphics, m_pProperties->m_pThemeProvider, pMatrix); | |
| 94 } | |
| 95 | |
| 96 void IFWL_PushButton::DrawBkground(CFX_Graphics* pGraphics, | |
| 97 IFWL_ThemeProvider* pTheme, | |
| 98 const CFX_Matrix* pMatrix) { | |
| 99 CFWL_ThemeBackground param; | |
| 100 param.m_pWidget = this; | |
| 101 param.m_iPart = CFWL_Part::Background; | |
| 102 param.m_dwStates = GetPartStates(); | |
| 103 param.m_pGraphics = pGraphics; | |
| 104 if (pMatrix) | |
| 105 param.m_matrix.Concat(*pMatrix); | |
| 106 param.m_rtPart = m_rtClient; | |
| 107 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) | |
| 108 param.m_pData = &m_rtCaption; | |
| 109 pTheme->DrawBackground(¶m); | |
| 110 } | |
| 111 | |
| 112 uint32_t IFWL_PushButton::GetPartStates() { | |
| 113 uint32_t dwStates = CFWL_PartState_Normal; | |
| 114 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) | |
| 115 dwStates |= CFWL_PartState_Focused; | |
| 116 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 117 dwStates = CFWL_PartState_Disabled; | |
| 118 else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) | |
| 119 dwStates |= CFWL_PartState_Pressed; | |
| 120 else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) | |
| 121 dwStates |= CFWL_PartState_Hovered; | |
| 122 else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Default) | |
| 123 dwStates |= CFWL_PartState_Default; | |
| 124 return dwStates; | |
| 125 } | |
| 126 | |
| 127 void IFWL_PushButton::UpdateTextOutStyles() { | |
| 128 switch (m_pProperties->m_dwStyleExes & | |
| 129 (FWL_STYLEEXT_PSB_HLayoutMask | FWL_STYLEEXT_PSB_VLayoutMask)) { | |
| 130 case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Top: { | |
| 131 m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft; | |
| 132 break; | |
| 133 } | |
| 134 case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Top: { | |
| 135 m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter; | |
| 136 break; | |
| 137 } | |
| 138 case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Top: { | |
| 139 m_iTTOAlign = FDE_TTOALIGNMENT_TopRight; | |
| 140 break; | |
| 141 } | |
| 142 case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_VCenter: { | |
| 143 m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; | |
| 144 break; | |
| 145 } | |
| 146 case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_VCenter: { | |
| 147 m_iTTOAlign = FDE_TTOALIGNMENT_CenterRight; | |
| 148 break; | |
| 149 } | |
| 150 case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Bottom: { | |
| 151 m_iTTOAlign = FDE_TTOALIGNMENT_BottomLeft; | |
| 152 break; | |
| 153 } | |
| 154 case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Bottom: { | |
| 155 m_iTTOAlign = FDE_TTOALIGNMENT_BottomCenter; | |
| 156 break; | |
| 157 } | |
| 158 case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Bottom: { | |
| 159 m_iTTOAlign = FDE_TTOALIGNMENT_BottomRight; | |
| 160 break; | |
| 161 } | |
| 162 case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_VCenter: | |
| 163 default: { | |
| 164 m_iTTOAlign = FDE_TTOALIGNMENT_Center; | |
| 165 break; | |
| 166 } | |
| 167 } | |
| 168 m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; | |
| 169 if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) | |
| 170 m_dwTTOStyles |= FDE_TTOSTYLE_RTL; | |
| 171 } | |
| 172 | |
| 173 void IFWL_PushButton::OnProcessMessage(CFWL_Message* pMessage) { | |
| 174 if (!pMessage) | |
| 175 return; | |
| 176 if (!IsEnabled()) | |
| 177 return; | |
| 178 | |
| 179 CFWL_MessageType dwMsgCode = pMessage->GetClassID(); | |
| 180 switch (dwMsgCode) { | |
| 181 case CFWL_MessageType::SetFocus: | |
| 182 OnFocusChanged(pMessage, true); | |
| 183 break; | |
| 184 case CFWL_MessageType::KillFocus: | |
| 185 OnFocusChanged(pMessage, false); | |
| 186 break; | |
| 187 case CFWL_MessageType::Mouse: { | |
| 188 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 189 switch (pMsg->m_dwCmd) { | |
| 190 case FWL_MouseCommand::LeftButtonDown: | |
| 191 OnLButtonDown(pMsg); | |
| 192 break; | |
| 193 case FWL_MouseCommand::LeftButtonUp: | |
| 194 OnLButtonUp(pMsg); | |
| 195 break; | |
| 196 case FWL_MouseCommand::Move: | |
| 197 OnMouseMove(pMsg); | |
| 198 break; | |
| 199 case FWL_MouseCommand::Leave: | |
| 200 OnMouseLeave(pMsg); | |
| 201 break; | |
| 202 default: | |
| 203 break; | |
| 204 } | |
| 205 break; | |
| 206 } | |
| 207 case CFWL_MessageType::Key: { | |
| 208 CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage); | |
| 209 if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown) | |
| 210 OnKeyDown(pKey); | |
| 211 break; | |
| 212 } | |
| 213 default: | |
| 214 break; | |
| 215 } | |
| 216 IFWL_Widget::OnProcessMessage(pMessage); | |
| 217 } | |
| 218 | |
| 219 void IFWL_PushButton::OnDrawWidget(CFX_Graphics* pGraphics, | |
| 220 const CFX_Matrix* pMatrix) { | |
| 221 DrawWidget(pGraphics, pMatrix); | |
| 222 } | |
| 223 | |
| 224 void IFWL_PushButton::OnFocusChanged(CFWL_Message* pMsg, bool bSet) { | |
| 225 if (bSet) | |
| 226 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; | |
| 227 else | |
| 228 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; | |
| 229 | |
| 230 Repaint(&m_rtClient); | |
| 231 } | |
| 232 | |
| 233 void IFWL_PushButton::OnLButtonDown(CFWL_MsgMouse* pMsg) { | |
| 234 if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) | |
| 235 SetFocus(true); | |
| 236 | |
| 237 m_bBtnDown = true; | |
| 238 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 239 m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; | |
| 240 Repaint(&m_rtClient); | |
| 241 } | |
| 242 | |
| 243 void IFWL_PushButton::OnLButtonUp(CFWL_MsgMouse* pMsg) { | |
| 244 m_bBtnDown = false; | |
| 245 if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 246 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 247 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 248 } else { | |
| 249 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; | |
| 250 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 251 } | |
| 252 if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 253 CFWL_EvtClick wmClick; | |
| 254 wmClick.m_pSrcTarget = this; | |
| 255 DispatchEvent(&wmClick); | |
| 256 } | |
| 257 Repaint(&m_rtClient); | |
| 258 } | |
| 259 | |
| 260 void IFWL_PushButton::OnMouseMove(CFWL_MsgMouse* pMsg) { | |
| 261 bool bRepaint = false; | |
| 262 if (m_bBtnDown) { | |
| 263 if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 264 if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) == 0) { | |
| 265 m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; | |
| 266 bRepaint = true; | |
| 267 } | |
| 268 if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) { | |
| 269 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; | |
| 270 bRepaint = true; | |
| 271 } | |
| 272 } else { | |
| 273 if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) { | |
| 274 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 275 bRepaint = true; | |
| 276 } | |
| 277 if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { | |
| 278 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 279 bRepaint = true; | |
| 280 } | |
| 281 } | |
| 282 } else { | |
| 283 if (!m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 284 return; | |
| 285 if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { | |
| 286 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 287 bRepaint = true; | |
| 288 } | |
| 289 } | |
| 290 if (bRepaint) | |
| 291 Repaint(&m_rtClient); | |
| 292 } | |
| 293 | |
| 294 void IFWL_PushButton::OnMouseLeave(CFWL_MsgMouse* pMsg) { | |
| 295 m_bBtnDown = false; | |
| 296 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; | |
| 297 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 298 Repaint(&m_rtClient); | |
| 299 } | |
| 300 | |
| 301 void IFWL_PushButton::OnKeyDown(CFWL_MsgKey* pMsg) { | |
| 302 if (pMsg->m_dwKeyCode == FWL_VKEY_Return) { | |
| 303 CFWL_EvtMouse wmMouse; | |
| 304 wmMouse.m_pSrcTarget = this; | |
| 305 wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp; | |
| 306 DispatchEvent(&wmMouse); | |
| 307 CFWL_EvtClick wmClick; | |
| 308 wmClick.m_pSrcTarget = this; | |
| 309 DispatchEvent(&wmClick); | |
| 310 return; | |
| 311 } | |
| 312 if (pMsg->m_dwKeyCode != FWL_VKEY_Tab) | |
| 313 return; | |
| 314 | |
| 315 DispatchKeyEvent(pMsg); | |
| 316 } | |
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Chromium Code Reviews
Issue 2524173002:
Merge IFWL and CFWL classes. (Closed)
