xfa/src/fwl/src/basewidget/fwl_tooltipctrlimp.cpp

   1 // Copyright 2014 PDFium Authors. All rights reserved.\r
   2 // Use of this source code is governed by a BSD-style license that can be\r
   3 // found in the LICENSE file.\r
   4 \r
   5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com\r
   6 \r
   7 #include "../../../foxitlib.h"\r
   8 #include "../core/include/fwl_targetimp.h"\r
   9 #include "../core/include/fwl_noteimp.h"\r
  10 #include "../core/include/fwl_widgetimp.h"\r
  11 #include "../core/include/fwl_panelimp.h"\r
  12 #include "../core/include/fwl_formimp.h"\r
  13 #include "include/fwl_tooltipctrlimp.h"\r
  14 IFWL_ToolTip *IFWL_ToolTip::Create()\r
  15 {\r
  16     return new IFWL_ToolTip;\r
  17 }\r
  18 FWL_ERR IFWL_ToolTip::Initialize(IFWL_Widget *pOuter)\r
  19 {\r
  20     m_pData = FX_NEW CFWL_ToolTipImp(pOuter);\r
  21     ((CFWL_ToolTipImp*)m_pData)->SetInterface(this);\r
  22     return ((CFWL_ToolTipImp*)m_pData)->Initialize();\r
  23 }\r
  24 FWL_ERR IFWL_ToolTip::Initialize(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter)\r
  25 {\r
  26     m_pData = FX_NEW CFWL_ToolTipImp(properties, pOuter);\r
  27     ((CFWL_ToolTipImp*)m_pData)->SetInterface(this);\r
  28     return ((CFWL_ToolTipImp*)m_pData)->Initialize();\r
  29 }\r
  30 FWL_ERR IFWL_ToolTip::SetAnchor(const CFX_RectF &rtAnchor)\r
  31 {\r
  32     return ((CFWL_ToolTipImp*)m_pData)->SetAnchor( rtAnchor);\r
  33 }\r
  34 FWL_ERR IFWL_ToolTip::Show()\r
  35 {\r
  36     return ((CFWL_ToolTipImp*)m_pData)->Show();\r
  37 }\r
  38 FWL_ERR IFWL_ToolTip::Hide()\r
  39 {\r
  40     return ((CFWL_ToolTipImp*)m_pData)->Hide();\r
  41 }\r
  42 IFWL_ToolTip::IFWL_ToolTip()\r
  43 {\r
  44     m_pData = NULL;\r
  45 }\r
  46 IFWL_ToolTip::~IFWL_ToolTip()\r
  47 {\r
  48     if (m_pData) {\r
  49         delete (CFWL_ToolTipImp*)m_pData;\r
  50         m_pData = NULL;\r
  51     }\r
  52 }\r
  53 CFWL_ToolTipImp::CFWL_ToolTipImp(IFWL_Widget *pOuter )\r
  54     : CFWL_FormImp(pOuter)\r
  55     , m_bBtnDown(FALSE)\r
  56     , m_dwTTOStyles(FDE_TTOSTYLE_SingleLine)\r
  57     , m_iTTOAlign(FDE_TTOALIGNMENT_Center)\r
  58     , m_hTimerShow(NULL)\r
  59     , m_hTimerHide(NULL)\r
  60     , m_pTimer(NULL)\r
  61 {\r
  62     m_rtClient.Set(0, 0, 0, 0);\r
  63     m_rtCaption.Set(0, 0, 0, 0);\r
  64     m_pTimer = NULL;\r
  65     m_TimerShow.m_pToolTip = this;\r
  66     m_TimerHide.m_pToolTip = this;\r
  67 }\r
  68 CFWL_ToolTipImp::CFWL_ToolTipImp(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter )\r
  69     : CFWL_FormImp(properties, pOuter)\r
  70     , m_bBtnDown(FALSE)\r
  71     , m_dwTTOStyles(FDE_TTOSTYLE_SingleLine)\r
  72     , m_iTTOAlign(FDE_TTOALIGNMENT_Center)\r
  73     , m_hTimerShow(NULL)\r
  74     , m_hTimerHide(NULL)\r
  75     , m_pTimer(NULL)\r
  76 {\r
  77     m_rtClient.Set(0, 0, 0, 0);\r
  78     m_rtCaption.Set(0, 0, 0, 0);\r
  79     m_rtAnchor.Set(0, 0, 0, 0);\r
  80     m_TimerShow.m_pToolTip = this;\r
  81     m_TimerHide.m_pToolTip = this;\r
  82 }\r
  83 CFWL_ToolTipImp::~CFWL_ToolTipImp()\r
  84 {\r
  85     if (m_pTimer) {\r
  86         delete m_pTimer;\r
  87         m_pTimer = NULL;\r
  88     }\r
  89 }\r
  90 FWL_ERR CFWL_ToolTipImp::GetClassName(CFX_WideString &wsClass) const\r
  91 {\r
  92     wsClass = FWL_CLASS_ToolTip;\r
  93     return FWL_ERR_Succeeded;\r
  94 }\r
  95 FX_DWORD CFWL_ToolTipImp::GetClassID() const\r
  96 {\r
  97     return FWL_CLASSHASH_ToolTip;\r
  98 }\r
  99 FWL_ERR CFWL_ToolTipImp::Initialize()\r
 100 {\r
 101     m_pProperties->m_dwStyles |= FWL_WGTSTYLE_Popup;\r
 102     m_pProperties->m_dwStyles &= ~FWL_WGTSTYLE_Child;\r
 103     _FWL_ERR_CHECK_RETURN_VALUE_IF_FAIL(CFWL_WidgetImp::Initialize(), FWL_ERR_Indefinite);\r
 104     m_pDelegate = (IFWL_WidgetDelegate*) FX_NEW CFWL_ToolTipImpDelegate(this);\r
 105     return FWL_ERR_Succeeded;\r
 106 }\r
 107 FWL_ERR CFWL_ToolTipImp::Finalize()\r
 108 {\r
 109     if ( m_pDelegate) {\r
 110         delete (CFWL_ToolTipImpDelegate*)m_pDelegate;\r
 111         m_pDelegate = NULL;\r
 112     }\r
 113     return CFWL_WidgetImp::Finalize();\r
 114 }\r
 115 FWL_ERR CFWL_ToolTipImp::GetWidgetRect(CFX_RectF &rect, FX_BOOL bAutoSize )\r
 116 {\r
 117     if (bAutoSize) {\r
 118         rect.Set(0, 0, 0, 0);\r
 119         if (m_pProperties->m_pThemeProvider == NULL) {\r
 120             m_pProperties->m_pThemeProvider = GetAvailableTheme();\r
 121         }\r
 122         CFX_WideString wsCaption;\r
 123         IFWL_ToolTipDP *pData = (IFWL_ToolTipDP*)m_pProperties->m_pDataProvider;\r
 124         if (pData) {\r
 125             pData->GetCaption(m_pInterface, wsCaption);\r
 126         }\r
 127         FX_INT32 iLen = wsCaption.GetLength();\r
 128         if (iLen > 0) {\r
 129             CFX_SizeF sz = CalcTextSize(wsCaption, m_pProperties->m_pThemeProvider);\r
 130             rect.Set(0, 0, sz.x, sz.y);\r
 131             rect.width += FWL_WGTCAPACITY_CXBorder * 25;\r
 132             rect.height += FWL_WGTCAPACITY_CYBorder * 8;\r
 133         }\r
 134         CFWL_WidgetImp::GetWidgetRect(rect, TRUE);\r
 135     } else {\r
 136         rect = m_pProperties->m_rtWidget;\r
 137     }\r
 138     return FWL_ERR_Succeeded;\r
 139 }\r
 140 FWL_ERR CFWL_ToolTipImp::Update()\r
 141 {\r
 142     if (IsLocked()) {\r
 143         return FWL_ERR_Indefinite;\r
 144     }\r
 145     if (!m_pProperties->m_pThemeProvider) {\r
 146         m_pProperties->m_pThemeProvider = GetAvailableTheme();\r
 147     }\r
 148     UpdateTextOutStyles();\r
 149     GetClientRect(m_rtClient);\r
 150     m_rtCaption = m_rtClient;\r
 151     return FWL_ERR_Succeeded;\r
 152 }\r
 153 FWL_ERR CFWL_ToolTipImp::GetClientRect(CFX_RectF &rect)\r
 154 {\r
 155     FX_FLOAT x = 0;\r
 156     FX_FLOAT y = 0;\r
 157     FX_FLOAT t = 0;\r
 158     IFWL_ThemeProvider *pTheme = m_pProperties->m_pThemeProvider;\r
 159     if (pTheme) {\r
 160         CFWL_ThemePart part;\r
 161         part.m_pWidget = m_pInterface;\r
 162         FX_FLOAT * value = NULL;\r
 163         value = (FX_FLOAT *) pTheme->GetCapacity(&part, FWL_WGTCAPACITY_CXBorder);\r
 164         x = *value;\r
 165         value = (FX_FLOAT *) pTheme->GetCapacity(&part, FWL_WGTCAPACITY_CYBorder);\r
 166         y = *value;\r
 167     }\r
 168     rect = m_pProperties->m_rtWidget;\r
 169     rect.Offset(-rect.left, -rect.top);\r
 170     rect.Deflate(x, t, x, y);\r
 171     return FWL_ERR_Succeeded;\r
 172 }\r
 173 FWL_ERR CFWL_ToolTipImp::DrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix )\r
 174 {\r
 175     IFWL_ToolTipTarget * toolTipTarget = CFWL_ToolTipContainer::getInstance()->GetCurrentToolTipTarget();\r
 176     if (toolTipTarget && !toolTipTarget->UseDefaultTheme()) {\r
 177         return toolTipTarget->DrawToolTip(pGraphics, pMatrix, m_pInterface);\r
 178     }\r
 179     _FWL_RETURN_VALUE_IF_FAIL(pGraphics, FWL_ERR_Indefinite);\r
 180     _FWL_RETURN_VALUE_IF_FAIL(m_pProperties->m_pThemeProvider, FWL_ERR_Indefinite);\r
 181     IFWL_ThemeProvider *pTheme = m_pProperties->m_pThemeProvider;\r
 182     DrawBkground(pGraphics, pTheme, pMatrix);\r
 183     DrawText(pGraphics, pTheme, pMatrix);\r
 184     return FWL_ERR_Succeeded;\r
 185 }\r
 186 void CFWL_ToolTipImp::DrawBkground(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, const CFX_Matrix *pMatrix)\r
 187 {\r
 188     CFWL_ThemeBackground param;\r
 189     param.m_pWidget = m_pInterface;\r
 190     param.m_iPart = FWL_PART_TTP_Background;\r
 191     param.m_dwStates = m_pProperties->m_dwStates;\r
 192     param.m_pGraphics = pGraphics;\r
 193     if (pMatrix) {\r
 194         param.m_matrix.Concat(*pMatrix);\r
 195     }\r
 196     param.m_rtPart = m_rtClient;\r
 197     if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {\r
 198         param.m_pData = &m_rtCaption;\r
 199     }\r
 200     pTheme->DrawBackground(&param);\r
 201 }\r
 202 void CFWL_ToolTipImp::DrawText(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, const CFX_Matrix *pMatrix)\r
 203 {\r
 204     _FWL_RETURN_IF_FAIL(m_pProperties->m_pDataProvider);\r
 205     CFX_WideString wsCaption;\r
 206     m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);\r
 207     if (wsCaption.IsEmpty()) {\r
 208         return;\r
 209     }\r
 210     CFWL_ThemeText param;\r
 211     param.m_pWidget = m_pInterface;\r
 212     param.m_iPart = FWL_PART_TTP_Caption;\r
 213     param.m_dwStates = m_pProperties->m_dwStates;\r
 214     param.m_pGraphics = pGraphics;\r
 215     if (pMatrix) {\r
 216         param.m_matrix.Concat(*pMatrix);\r
 217     }\r
 218     param.m_rtPart = m_rtCaption;\r
 219     param.m_wsText = wsCaption;\r
 220     param.m_dwTTOStyles = m_dwTTOStyles;\r
 221     param.m_iTTOAlign = m_iTTOAlign;\r
 222     pTheme->DrawText(&param);\r
 223 }\r
 224 void CFWL_ToolTipImp::UpdateTextOutStyles()\r
 225 {\r
 226     m_iTTOAlign = FDE_TTOALIGNMENT_Center;\r
 227     m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;\r
 228     if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) {\r
 229         m_dwTTOStyles |= FDE_TTOSTYLE_RTL;\r
 230     }\r
 231     if ( m_pProperties->m_dwStyleExes & FWL_STYLEEXT_TTP_Multiline) {\r
 232         m_dwTTOStyles &= ~FDE_TTOSTYLE_SingleLine;\r
 233     }\r
 234 }\r
 235 FWL_ERR CFWL_ToolTipImp::SetAnchor(const CFX_RectF &rtAnchor)\r
 236 {\r
 237     m_rtAnchor = rtAnchor;\r
 238     return TRUE;\r
 239 }\r
 240 FWL_ERR CFWL_ToolTipImp::Show()\r
 241 {\r
 242     IFWL_ToolTipDP *pData = (IFWL_ToolTipDP*)m_pProperties->m_pDataProvider;\r
 243     FX_INT32 nInitDelay = pData->GetInitialDelay(m_pInterface);\r
 244     if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible)) {\r
 245         m_hTimerShow = FWL_StartTimer( &m_TimerShow, nInitDelay, FALSE);\r
 246     }\r
 247     return TRUE;\r
 248 }\r
 249 FWL_ERR CFWL_ToolTipImp::Hide()\r
 250 {\r
 251     SetStates( FWL_WGTSTATE_Invisible, TRUE);\r
 252     if ( m_hTimerHide) {\r
 253         FWL_StopTimer(m_hTimerHide);\r
 254         m_hTimerHide = NULL;\r
 255     }\r
 256     if ( m_hTimerShow) {\r
 257         FWL_StopTimer(m_hTimerShow);\r
 258         m_hTimerShow = NULL;\r
 259     }\r
 260     return TRUE;\r
 261 }\r
 262 FWL_ERR CFWL_ToolTipImp::SetStates(FX_DWORD dwStates, FX_BOOL bSet )\r
 263 {\r
 264     if ( (dwStates & FWL_WGTSTATE_Invisible) && !bSet) {\r
 265         IFWL_ToolTipDP *pData = (IFWL_ToolTipDP*)m_pProperties->m_pDataProvider;\r
 266         FX_INT32 nAutoPopDelay = pData->GetAutoPopDelay(m_pInterface);\r
 267         m_hTimerHide = FWL_StartTimer( &m_TimerHide, nAutoPopDelay, FALSE);\r
 268     }\r
 269     return CFWL_WidgetImp::SetStates(dwStates, bSet);\r
 270 }\r
 271 void CFWL_ToolTipImp::RefreshToolTipPos()\r
 272 {\r
 273     if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_TTP_NoAnchor) == 0) {\r
 274         CFX_RectF rtPopup;\r
 275         CFX_RectF rtWidget(m_pProperties->m_rtWidget);\r
 276         CFX_RectF rtAnchor(m_rtAnchor);\r
 277         rtPopup.Set( 0, 0, 0, 0);\r
 278         FX_FLOAT fx = rtAnchor.Center().x + 20;\r
 279         FX_FLOAT fy = rtAnchor.Center().y + 20;\r
 280         rtPopup.Set( fx, fy, rtWidget.Width(), rtWidget.Height());\r
 281         FX_FLOAT fScreenWidth = 0;\r
 282         FX_FLOAT fScreenHeight = 0;\r
 283         GetScreenSize(fScreenWidth, fScreenHeight);\r
 284         if (rtPopup.bottom() > fScreenHeight) {\r
 285             rtPopup.Offset( 0, fScreenHeight - rtPopup.bottom());\r
 286         }\r
 287         if ( rtPopup.right() > fScreenWidth) {\r
 288             rtPopup.Offset( fScreenWidth - rtPopup.right(), 0);\r
 289         }\r
 290         if ( rtPopup.left < 0) {\r
 291             rtPopup.Offset(0 - rtPopup.left, 0);\r
 292         }\r
 293         if ( rtPopup.top < 0) {\r
 294             rtPopup.Offset( 0, 0 - rtPopup.top);\r
 295         }\r
 296         SetWidgetRect(rtPopup);\r
 297         Update();\r
 298     }\r
 299 }\r
 300 CFWL_ToolTipImp::CFWL_ToolTipTimer::CFWL_ToolTipTimer(CFWL_ToolTipImp * pToolTip)\r
 301     : m_pToolTip(pToolTip)\r
 302 {\r
 303 }\r
 304 FX_INT32 CFWL_ToolTipImp::CFWL_ToolTipTimer::Run(FWL_HTIMER hTimer)\r
 305 {\r
 306     if (m_pToolTip->m_hTimerShow == hTimer && m_pToolTip->m_hTimerShow) {\r
 307         if (m_pToolTip->GetStates() & FWL_WGTSTATE_Invisible) {\r
 308             m_pToolTip->SetStates(FWL_WGTSTATE_Invisible, FALSE);\r
 309             m_pToolTip->RefreshToolTipPos();\r
 310             FWL_StopTimer(m_pToolTip->m_hTimerShow);\r
 311             m_pToolTip->m_hTimerShow = NULL;\r
 312             return TRUE;\r
 313         }\r
 314     }\r
 315     if (m_pToolTip->m_hTimerHide == hTimer && m_pToolTip->m_hTimerHide) {\r
 316         m_pToolTip->SetStates(FWL_WGTSTATE_Invisible, TRUE);\r
 317         FWL_StopTimer(m_pToolTip->m_hTimerHide);\r
 318         m_pToolTip->m_hTimerHide = NULL;\r
 319         return TRUE;\r
 320     }\r
 321     return TRUE;\r
 322 }\r
 323 CFWL_ToolTipImpDelegate::CFWL_ToolTipImpDelegate(CFWL_ToolTipImp *pOwner)\r
 324     : m_pOwner(pOwner)\r
 325 {\r
 326 }\r
 327 FX_INT32 CFWL_ToolTipImpDelegate::OnProcessMessage(CFWL_Message *pMessage)\r
 328 {\r
 329     return      CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);\r
 330 }\r
 331 FWL_ERR CFWL_ToolTipImpDelegate::OnProcessEvent(CFWL_Event *pEvent)\r
 332 {\r
 333     return FWL_ERR_Succeeded;\r
 334 }\r
 335 FWL_ERR CFWL_ToolTipImpDelegate::OnDrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix )\r
 336 {\r
 337     return m_pOwner->DrawWidget(pGraphics, pMatrix);\r
 338 }\r