// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "xfa/fwl/core/ifwl_pushbutton.h" #include "xfa/fde/tto/fde_textout.h" #include "xfa/fwl/core/cfwl_message.h" #include "xfa/fwl/core/cfwl_themebackground.h" #include "xfa/fwl/core/cfwl_themetext.h" #include "xfa/fwl/core/fwl_noteimp.h" #include "xfa/fwl/core/ifwl_pushbutton.h" #include "xfa/fwl/core/ifwl_themeprovider.h" IFWL_PushButton::IFWL_PushButton(const CFWL_WidgetImpProperties& properties) : IFWL_Widget(properties, nullptr), m_bBtnDown(FALSE), m_dwTTOStyles(FDE_TTOSTYLE_SingleLine), m_iTTOAlign(FDE_TTOALIGNMENT_Center) { m_rtClient.Set(0, 0, 0, 0); m_rtCaption.Set(0, 0, 0, 0); } IFWL_PushButton::~IFWL_PushButton() {} FWL_Type IFWL_PushButton::GetClassID() const { return FWL_Type::PushButton; } FWL_Error IFWL_PushButton::Initialize() { if (IFWL_Widget::Initialize() != FWL_Error::Succeeded) return FWL_Error::Indefinite; m_pDelegate = new CFWL_PushButtonImpDelegate(this); return FWL_Error::Succeeded; } void IFWL_PushButton::Finalize() { delete m_pDelegate; m_pDelegate = nullptr; IFWL_Widget::Finalize(); } FWL_Error IFWL_PushButton::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { if (bAutoSize) { rect.Set(0, 0, 0, 0); if (!m_pProperties->m_pThemeProvider) { m_pProperties->m_pThemeProvider = GetAvailableTheme(); } CFX_WideString wsCaption; IFWL_PushButtonDP* pData = static_cast<IFWL_PushButtonDP*>(m_pProperties->m_pDataProvider); if (pData) { pData->GetCaption(this, wsCaption); } int32_t iLen = wsCaption.GetLength(); if (iLen > 0) { CFX_SizeF sz = CalcTextSize(wsCaption, m_pProperties->m_pThemeProvider); rect.Set(0, 0, sz.x, sz.y); } FX_FLOAT* fcaption = static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin)); rect.Inflate(*fcaption, *fcaption); IFWL_Widget::GetWidgetRect(rect, TRUE); } else { rect = m_pProperties->m_rtWidget; } return FWL_Error::Succeeded; } void IFWL_PushButton::SetStates(uint32_t dwStates, FX_BOOL bSet) { if ((dwStates & FWL_WGTSTATE_Disabled) && bSet) { m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled; return; } IFWL_Widget::SetStates(dwStates, bSet); } FWL_Error IFWL_PushButton::Update() { if (IsLocked()) { return FWL_Error::Indefinite; } if (!m_pProperties->m_pThemeProvider) { m_pProperties->m_pThemeProvider = GetAvailableTheme(); } UpdateTextOutStyles(); GetClientRect(m_rtClient); m_rtCaption = m_rtClient; FX_FLOAT* fcaption = static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin)); m_rtCaption.Inflate(-*fcaption, -*fcaption); return FWL_Error::Succeeded; } FWL_Error IFWL_PushButton::DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { if (!pGraphics) return FWL_Error::Indefinite; if (!m_pProperties->m_pThemeProvider) return FWL_Error::Indefinite; IFWL_PushButtonDP* pData = static_cast<IFWL_PushButtonDP*>(m_pProperties->m_pDataProvider); CFX_DIBitmap* pPicture = nullptr; IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; if (HasBorder()) { DrawBorder(pGraphics, CFWL_Part::Border, m_pProperties->m_pThemeProvider, pMatrix); } if (HasEdge()) { DrawEdge(pGraphics, CFWL_Part::Edge, m_pProperties->m_pThemeProvider, pMatrix); } DrawBkground(pGraphics, m_pProperties->m_pThemeProvider, pMatrix); CFX_Matrix matrix; matrix.Concat(*pMatrix); FX_FLOAT iPicwidth = 0; FX_FLOAT ipicheight = 0; CFX_WideString wsCaption; if (pData) { pData->GetCaption(this, wsCaption); } CFX_RectF rtText; rtText.Set(0, 0, 0, 0); if (!wsCaption.IsEmpty()) CalcTextRect(wsCaption, pTheme, 0, m_iTTOAlign, rtText); switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_PSB_ModeMask) { case FWL_STYLEEXT_PSB_TextOnly: DrawText(pGraphics, m_pProperties->m_pThemeProvider, &matrix); break; case FWL_STYLEEXT_PSB_IconOnly: if (pData) { pPicture = pData->GetPicture(this); } if (pPicture) { CFX_PointF point; switch (m_iTTOAlign) { case 0: { point.x = m_rtClient.left; point.y = m_rtClient.top; break; } case 1: { point.x = m_rtClient.left + (m_rtClient.width / 2 - pPicture->GetWidth() / 2); point.y = m_rtClient.top; break; } case 2: point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth(); point.y = m_rtClient.top; break; case 4: point.x = m_rtClient.left; point.y = m_rtClient.top + m_rtClient.height / 2 - pPicture->GetHeight() / 2; break; case 5: point.x = m_rtClient.left + (m_rtClient.width / 2 - pPicture->GetWidth() / 2); point.y = m_rtClient.top + m_rtClient.height / 2 - pPicture->GetHeight() / 2; break; case 6: point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth(); point.y = m_rtClient.top + m_rtClient.height / 2 - pPicture->GetHeight() / 2; break; case 8: point.x = m_rtClient.left; point.y = m_rtClient.top + m_rtClient.height - pPicture->GetHeight(); break; case 9: point.x = m_rtClient.left + (m_rtClient.width / 2 - pPicture->GetWidth() / 2); point.y = m_rtClient.top + m_rtClient.height - pPicture->GetHeight(); break; case 10: point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth(); point.y = m_rtClient.top + m_rtClient.height - pPicture->GetHeight(); break; } pGraphics->DrawImage(pPicture, point, &matrix); } break; case FWL_STYLEEXT_PSB_TextIcon: if (pPicture) { CFX_PointF point; switch (m_iTTOAlign) { case 0: { point.x = m_rtClient.left; point.y = m_rtClient.top; iPicwidth = (FX_FLOAT)(pPicture->GetWidth() - 7); ipicheight = pPicture->GetHeight() / 2 - m_rtCaption.top - rtText.height / 2; break; } case 1: { point.x = m_rtClient.left + (m_rtClient.width / 2 - (pPicture->GetWidth() + rtText.width) / 2); point.y = m_rtClient.top; iPicwidth = pPicture->GetWidth() - ((m_rtClient.width) / 2 - rtText.width / 2 - point.x) + rtText.width / 2 - 7; ipicheight = pPicture->GetHeight() / 2 - m_rtCaption.top - rtText.height / 2; break; } case 2: point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth() - rtText.width; point.y = m_rtClient.top; iPicwidth = m_rtClient.left + m_rtClient.width - point.x - pPicture->GetWidth() - rtText.width + 7; ipicheight = pPicture->GetHeight() / 2 - m_rtCaption.top - rtText.height / 2; break; case 4: point.x = m_rtClient.left; point.y = m_rtClient.top + m_rtClient.height / 2 - pPicture->GetHeight() / 2; iPicwidth = m_rtClient.left + pPicture->GetWidth() - 7; break; case 5: point.x = m_rtClient.left + (m_rtClient.width / 2 - (pPicture->GetWidth() + rtText.width) / 2); point.y = m_rtClient.top + m_rtClient.height / 2 - pPicture->GetHeight() / 2; iPicwidth = pPicture->GetWidth() - ((m_rtClient.width) / 2 - rtText.width / 2 - point.x) + rtText.width / 2 - 7; break; case 6: point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth() - rtText.width; point.y = m_rtClient.top + m_rtClient.height / 2 - pPicture->GetHeight() / 2; iPicwidth = m_rtClient.left + m_rtClient.width - point.x - pPicture->GetWidth() - rtText.width + 7; break; case 8: point.x = m_rtClient.left; point.y = m_rtClient.top + m_rtClient.height - pPicture->GetHeight(); iPicwidth = (FX_FLOAT)(pPicture->GetWidth() - 7); ipicheight -= rtText.height / 2; break; case 9: point.x = m_rtClient.left + (m_rtClient.width / 2 - (pPicture->GetWidth() + rtText.width) / 2); point.y = m_rtClient.top + m_rtClient.height - pPicture->GetHeight(); iPicwidth = pPicture->GetWidth() - ((m_rtClient.width) / 2 - rtText.width / 2 - point.x) + rtText.width / 2 - 7; ipicheight -= rtText.height / 2; break; case 10: point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth() - rtText.width; point.y = m_rtClient.top + m_rtClient.height - pPicture->GetHeight(); iPicwidth = m_rtClient.left + m_rtClient.width - point.x - pPicture->GetWidth() - rtText.width + 7; ipicheight -= rtText.height / 2; break; } pGraphics->DrawImage(pPicture, point, &matrix); } matrix.e += m_rtClient.left + iPicwidth; matrix.f += m_rtClient.top + ipicheight; DrawText(pGraphics, m_pProperties->m_pThemeProvider, &matrix); break; } return FWL_Error::Succeeded; } void IFWL_PushButton::DrawBkground(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme, const CFX_Matrix* pMatrix) { CFWL_ThemeBackground param; param.m_pWidget = this; param.m_iPart = CFWL_Part::Background; param.m_dwStates = GetPartStates(); param.m_pGraphics = pGraphics; if (pMatrix) { param.m_matrix.Concat(*pMatrix); } param.m_rtPart = m_rtClient; if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) { param.m_pData = &m_rtCaption; } pTheme->DrawBackground(¶m); } void IFWL_PushButton::DrawText(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme, const CFX_Matrix* pMatrix) { if (!m_pProperties->m_pDataProvider) return; CFX_WideString wsCaption; m_pProperties->m_pDataProvider->GetCaption(this, wsCaption); if (wsCaption.IsEmpty()) { return; } CFWL_ThemeText param; param.m_pWidget = this; param.m_iPart = CFWL_Part::Caption; param.m_dwStates = GetPartStates(); param.m_pGraphics = pGraphics; if (pMatrix) { param.m_matrix.Concat(*pMatrix); } param.m_rtPart = m_rtCaption; param.m_wsText = wsCaption; param.m_dwTTOStyles = m_dwTTOStyles; param.m_iTTOAlign = m_iTTOAlign; pTheme->DrawText(¶m); } uint32_t IFWL_PushButton::GetPartStates() { uint32_t dwStates = CFWL_PartState_Normal; if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) { dwStates |= CFWL_PartState_Focused; } if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { dwStates = CFWL_PartState_Disabled; } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) { dwStates |= CFWL_PartState_Pressed; } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) { dwStates |= CFWL_PartState_Hovered; } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Default) { dwStates |= CFWL_PartState_Default; } return dwStates; } void IFWL_PushButton::UpdateTextOutStyles() { m_iTTOAlign = FDE_TTOALIGNMENT_Center; switch (m_pProperties->m_dwStyleExes & (FWL_STYLEEXT_PSB_HLayoutMask | FWL_STYLEEXT_PSB_VLayoutMask)) { case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Top: { m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft; break; } case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Top: { m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter; break; } case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Top: { m_iTTOAlign = FDE_TTOALIGNMENT_TopRight; break; } case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_VCenter: { m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; break; } case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_VCenter: { m_iTTOAlign = FDE_TTOALIGNMENT_Center; break; } case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_VCenter: { m_iTTOAlign = FDE_TTOALIGNMENT_CenterRight; break; } case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Bottom: { m_iTTOAlign = FDE_TTOALIGNMENT_BottomLeft; break; } case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Bottom: { m_iTTOAlign = FDE_TTOALIGNMENT_BottomCenter; break; } case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Bottom: { m_iTTOAlign = FDE_TTOALIGNMENT_BottomRight; break; } default: {} } m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) { m_dwTTOStyles |= FDE_TTOSTYLE_RTL; } } CFWL_PushButtonImpDelegate::CFWL_PushButtonImpDelegate(IFWL_PushButton* pOwner) : m_pOwner(pOwner) {} void CFWL_PushButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { if (!pMessage) return; if (!m_pOwner->IsEnabled()) return; CFWL_MessageType dwMsgCode = pMessage->GetClassID(); switch (dwMsgCode) { case CFWL_MessageType::SetFocus: { OnFocusChanged(pMessage, TRUE); break; } case CFWL_MessageType::KillFocus: { OnFocusChanged(pMessage, FALSE); break; } case CFWL_MessageType::Mouse: { CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); switch (pMsg->m_dwCmd) { case FWL_MouseCommand::LeftButtonDown: { OnLButtonDown(pMsg); break; } case FWL_MouseCommand::LeftButtonUp: { OnLButtonUp(pMsg); break; } case FWL_MouseCommand::Move: { OnMouseMove(pMsg); break; } case FWL_MouseCommand::Leave: { OnMouseLeave(pMsg); break; } default: break; } break; } case CFWL_MessageType::Key: { CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage); if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown) OnKeyDown(pKey); break; } default: { break; } } CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); } void CFWL_PushButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {} void CFWL_PushButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { m_pOwner->DrawWidget(pGraphics, pMatrix); } void CFWL_PushButtonImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) { if (bSet) { m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; } else { m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; } m_pOwner->Repaint(&m_pOwner->m_rtClient); } void CFWL_PushButtonImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) { m_pOwner->SetFocus(TRUE); } m_pOwner->m_bBtnDown = TRUE; m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; m_pOwner->Repaint(&m_pOwner->m_rtClient); } void CFWL_PushButtonImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { m_pOwner->m_bBtnDown = FALSE; if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; } else { m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; } if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { CFWL_EvtClick wmClick; wmClick.m_pSrcTarget = m_pOwner; m_pOwner->DispatchEvent(&wmClick); } m_pOwner->Repaint(&m_pOwner->m_rtClient); } void CFWL_PushButtonImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) { FX_BOOL bRepaint = FALSE; if (m_pOwner->m_bBtnDown) { if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) == 0) { m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; bRepaint = TRUE; } if (m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) { m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; bRepaint = TRUE; } } else { if (m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) { m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; bRepaint = TRUE; } if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; bRepaint = TRUE; } } } else { if (!m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { return; } if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; bRepaint = TRUE; } } if (bRepaint) { m_pOwner->Repaint(&m_pOwner->m_rtClient); } } void CFWL_PushButtonImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) { m_pOwner->m_bBtnDown = FALSE; m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; m_pOwner->Repaint(&m_pOwner->m_rtClient); } void CFWL_PushButtonImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) { if (pMsg->m_dwKeyCode == FWL_VKEY_Return) { CFWL_EvtMouse wmMouse; wmMouse.m_pSrcTarget = m_pOwner; wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp; m_pOwner->DispatchEvent(&wmMouse); CFWL_EvtClick wmClick; wmClick.m_pSrcTarget = m_pOwner; m_pOwner->DispatchEvent(&wmClick); return; } if (pMsg->m_dwKeyCode != FWL_VKEY_Tab) { return; } m_pOwner->DispatchKeyEvent(pMsg); }