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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #include "xfa/fwl/core/cfwl_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_event.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 CFWL_PushButton::CFWL_PushButton(const CFWL_App* app) | |
| 24 : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr), | |
| 25 m_bBtnDown(false), | |
| 26 m_dwTTOStyles(FDE_TTOSTYLE_SingleLine), | |
| 27 m_iTTOAlign(FDE_TTOALIGNMENT_Center) { | |
| 28 m_rtClient.Set(0, 0, 0, 0); | |
| 29 m_rtCaption.Set(0, 0, 0, 0); | |
| 30 } | |
| 31 | |
| 32 CFWL_PushButton::~CFWL_PushButton() {} | |
| 33 | |
| 34 FWL_Type CFWL_PushButton::GetClassID() const { | |
| 35 return FWL_Type::PushButton; | |
| 36 } | |
| 37 | |
| 38 void CFWL_PushButton::SetStates(uint32_t dwStates) { | |
| 39 if (dwStates & FWL_WGTSTATE_Disabled) { | |
| 40 m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled; | |
| 41 return; | |
| 42 } | |
| 43 CFWL_Widget::SetStates(dwStates); | |
| 44 } | |
| 45 | |
| 46 void CFWL_PushButton::Update() { | |
| 47 if (IsLocked()) | |
| 48 return; | |
| 49 if (!m_pProperties->m_pThemeProvider) | |
| 50 m_pProperties->m_pThemeProvider = GetAvailableTheme(); | |
| 51 | |
| 52 UpdateTextOutStyles(); | |
| 53 GetClientRect(m_rtClient); | |
| 54 m_rtCaption = m_rtClient; | |
| 55 FX_FLOAT* fcaption = | |
| 56 static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin)); | |
| 57 m_rtCaption.Inflate(-*fcaption, -*fcaption); | |
| 58 } | |
| 59 | |
| 60 void CFWL_PushButton::DrawWidget(CFX_Graphics* pGraphics, | |
| 61 const CFX_Matrix* pMatrix) { | |
| 62 if (!pGraphics) | |
| 63 return; | |
| 64 if (!m_pProperties->m_pThemeProvider) | |
| 65 return; | |
| 66 | |
| 67 if (HasBorder()) { | |
| 68 DrawBorder(pGraphics, CFWL_Part::Border, m_pProperties->m_pThemeProvider, | |
| 69 pMatrix); | |
| 70 } | |
| 71 if (HasEdge()) { | |
| 72 DrawEdge(pGraphics, CFWL_Part::Edge, m_pProperties->m_pThemeProvider, | |
| 73 pMatrix); | |
| 74 } | |
| 75 DrawBkground(pGraphics, m_pProperties->m_pThemeProvider, pMatrix); | |
| 76 } | |
| 77 | |
| 78 void CFWL_PushButton::DrawBkground(CFX_Graphics* pGraphics, | |
| 79 IFWL_ThemeProvider* pTheme, | |
| 80 const CFX_Matrix* pMatrix) { | |
| 81 CFWL_ThemeBackground param; | |
| 82 param.m_pWidget = this; | |
| 83 param.m_iPart = CFWL_Part::Background; | |
| 84 param.m_dwStates = GetPartStates(); | |
| 85 param.m_pGraphics = pGraphics; | |
| 86 if (pMatrix) | |
| 87 param.m_matrix.Concat(*pMatrix); | |
| 88 param.m_rtPart = m_rtClient; | |
| 89 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) | |
| 90 param.m_pData = &m_rtCaption; | |
| 91 pTheme->DrawBackground(¶m); | |
| 92 } | |
| 93 | |
| 94 uint32_t CFWL_PushButton::GetPartStates() { | |
| 95 uint32_t dwStates = CFWL_PartState_Normal; | |
| 96 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) | |
| 97 dwStates |= CFWL_PartState_Focused; | |
| 98 if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) | |
| 99 dwStates = CFWL_PartState_Disabled; | |
| 100 else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) | |
| 101 dwStates |= CFWL_PartState_Pressed; | |
| 102 else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) | |
| 103 dwStates |= CFWL_PartState_Hovered; | |
| 104 else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Default) | |
| 105 dwStates |= CFWL_PartState_Default; | |
| 106 return dwStates; | |
| 107 } | |
| 108 | |
| 109 void CFWL_PushButton::UpdateTextOutStyles() { | |
| 110 switch (m_pProperties->m_dwStyleExes & | |
| 111 (FWL_STYLEEXT_PSB_HLayoutMask | FWL_STYLEEXT_PSB_VLayoutMask)) { | |
| 112 case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Top: { | |
| 113 m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft; | |
| 114 break; | |
| 115 } | |
| 116 case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Top: { | |
| 117 m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter; | |
| 118 break; | |
| 119 } | |
| 120 case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Top: { | |
| 121 m_iTTOAlign = FDE_TTOALIGNMENT_TopRight; | |
| 122 break; | |
| 123 } | |
| 124 case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_VCenter: { | |
| 125 m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; | |
| 126 break; | |
| 127 } | |
| 128 case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_VCenter: { | |
| 129 m_iTTOAlign = FDE_TTOALIGNMENT_CenterRight; | |
| 130 break; | |
| 131 } | |
| 132 case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Bottom: { | |
| 133 m_iTTOAlign = FDE_TTOALIGNMENT_BottomLeft; | |
| 134 break; | |
| 135 } | |
| 136 case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Bottom: { | |
| 137 m_iTTOAlign = FDE_TTOALIGNMENT_BottomCenter; | |
| 138 break; | |
| 139 } | |
| 140 case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Bottom: { | |
| 141 m_iTTOAlign = FDE_TTOALIGNMENT_BottomRight; | |
| 142 break; | |
| 143 } | |
| 144 case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_VCenter: | |
| 145 default: { | |
| 146 m_iTTOAlign = FDE_TTOALIGNMENT_Center; | |
| 147 break; | |
| 148 } | |
| 149 } | |
| 150 m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; | |
| 151 if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) | |
| 152 m_dwTTOStyles |= FDE_TTOSTYLE_RTL; | |
| 153 } | |
| 154 | |
| 155 void CFWL_PushButton::OnProcessMessage(CFWL_Message* pMessage) { | |
| 156 if (!pMessage) | |
| 157 return; | |
| 158 if (!IsEnabled()) | |
| 159 return; | |
| 160 | |
| 161 switch (pMessage->GetType()) { | |
| 162 case CFWL_Message::Type::SetFocus: | |
| 163 OnFocusChanged(pMessage, true); | |
| 164 break; | |
| 165 case CFWL_Message::Type::KillFocus: | |
| 166 OnFocusChanged(pMessage, false); | |
| 167 break; | |
| 168 case CFWL_Message::Type::Mouse: { | |
| 169 CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); | |
| 170 switch (pMsg->m_dwCmd) { | |
| 171 case FWL_MouseCommand::LeftButtonDown: | |
| 172 OnLButtonDown(pMsg); | |
| 173 break; | |
| 174 case FWL_MouseCommand::LeftButtonUp: | |
| 175 OnLButtonUp(pMsg); | |
| 176 break; | |
| 177 case FWL_MouseCommand::Move: | |
| 178 OnMouseMove(pMsg); | |
| 179 break; | |
| 180 case FWL_MouseCommand::Leave: | |
| 181 OnMouseLeave(pMsg); | |
| 182 break; | |
| 183 default: | |
| 184 break; | |
| 185 } | |
| 186 break; | |
| 187 } | |
| 188 case CFWL_Message::Type::Key: { | |
| 189 CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage); | |
| 190 if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown) | |
| 191 OnKeyDown(pKey); | |
| 192 break; | |
| 193 } | |
| 194 default: | |
| 195 break; | |
| 196 } | |
| 197 CFWL_Widget::OnProcessMessage(pMessage); | |
| 198 } | |
| 199 | |
| 200 void CFWL_PushButton::OnDrawWidget(CFX_Graphics* pGraphics, | |
| 201 const CFX_Matrix* pMatrix) { | |
| 202 DrawWidget(pGraphics, pMatrix); | |
| 203 } | |
| 204 | |
| 205 void CFWL_PushButton::OnFocusChanged(CFWL_Message* pMsg, bool bSet) { | |
| 206 if (bSet) | |
| 207 m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; | |
| 208 else | |
| 209 m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; | |
| 210 | |
| 211 Repaint(&m_rtClient); | |
| 212 } | |
| 213 | |
| 214 void CFWL_PushButton::OnLButtonDown(CFWL_MsgMouse* pMsg) { | |
| 215 if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) | |
| 216 SetFocus(true); | |
| 217 | |
| 218 m_bBtnDown = true; | |
| 219 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 220 m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; | |
| 221 Repaint(&m_rtClient); | |
| 222 } | |
| 223 | |
| 224 void CFWL_PushButton::OnLButtonUp(CFWL_MsgMouse* pMsg) { | |
| 225 m_bBtnDown = false; | |
| 226 if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 227 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 228 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 229 } else { | |
| 230 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; | |
| 231 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 232 } | |
| 233 if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 234 CFWL_Event wmClick(CFWL_Event::Type::Click, this); | |
| 235 DispatchEvent(&wmClick); | |
| 236 } | |
| 237 Repaint(&m_rtClient); | |
| 238 } | |
| 239 | |
| 240 void CFWL_PushButton::OnMouseMove(CFWL_MsgMouse* pMsg) { | |
| 241 bool bRepaint = false; | |
| 242 if (m_bBtnDown) { | |
| 243 if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { | |
| 244 if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) == 0) { | |
| 245 m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; | |
| 246 bRepaint = true; | |
| 247 } | |
| 248 if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) { | |
| 249 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; | |
| 250 bRepaint = true; | |
| 251 } | |
| 252 } else { | |
| 253 if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) { | |
| 254 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 255 bRepaint = true; | |
| 256 } | |
| 257 if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { | |
| 258 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 259 bRepaint = true; | |
| 260 } | |
| 261 } | |
| 262 } else { | |
| 263 if (!m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) | |
| 264 return; | |
| 265 if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { | |
| 266 m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; | |
| 267 bRepaint = true; | |
| 268 } | |
| 269 } | |
| 270 if (bRepaint) | |
| 271 Repaint(&m_rtClient); | |
| 272 } | |
| 273 | |
| 274 void CFWL_PushButton::OnMouseLeave(CFWL_MsgMouse* pMsg) { | |
| 275 m_bBtnDown = false; | |
| 276 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; | |
| 277 m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; | |
| 278 Repaint(&m_rtClient); | |
| 279 } | |
| 280 | |
| 281 void CFWL_PushButton::OnKeyDown(CFWL_MsgKey* pMsg) { | |
| 282 if (pMsg->m_dwKeyCode != FWL_VKEY_Return) | |
| 283 return; | |
| 284 | |
| 285 CFWL_EvtMouse wmMouse(this); | |
| 286 wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp; | |
| 287 DispatchEvent(&wmMouse); | |
| 288 | |
| 289 CFWL_Event wmClick(CFWL_Event::Type::Click, this); | |
| 290 DispatchEvent(&wmClick); | |
| 291 } | |
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Chromium Code Reviews
Issue 2559173002:
Move xfa/fwl/core to xfa/fwl. (Closed)
