| // 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 "third_party/base/ptr_util.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 IFWL_App* app, |
| std::unique_ptr<CFWL_WidgetProperties> properties) |
| : IFWL_Widget(app, std::move(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::GetWidgetRect(CFX_RectF& rect, 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, 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; |
| } |
| } |
| |
| void IFWL_PushButton::OnProcessMessage(CFWL_Message* pMessage) { |
| if (!pMessage) |
| return; |
| if (!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; |
| } |
| IFWL_Widget::OnProcessMessage(pMessage); |
| } |
| |
| void IFWL_PushButton::OnDrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) { |
| DrawWidget(pGraphics, pMatrix); |
| } |
| |
| void IFWL_PushButton::OnFocusChanged(CFWL_Message* pMsg, bool bSet) { |
| if (bSet) |
| m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; |
| else |
| m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; |
| |
| Repaint(&m_rtClient); |
| } |
| |
| void IFWL_PushButton::OnLButtonDown(CFWL_MsgMouse* pMsg) { |
| if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) |
| SetFocus(true); |
| |
| m_bBtnDown = true; |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; |
| Repaint(&m_rtClient); |
| } |
| |
| void IFWL_PushButton::OnLButtonUp(CFWL_MsgMouse* pMsg) { |
| m_bBtnDown = false; |
| if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; |
| } else { |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; |
| } |
| if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| CFWL_EvtClick wmClick; |
| wmClick.m_pSrcTarget = this; |
| DispatchEvent(&wmClick); |
| } |
| Repaint(&m_rtClient); |
| } |
| |
| void IFWL_PushButton::OnMouseMove(CFWL_MsgMouse* pMsg) { |
| bool bRepaint = false; |
| if (m_bBtnDown) { |
| if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { |
| if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) == 0) { |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; |
| bRepaint = true; |
| } |
| if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) { |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; |
| bRepaint = true; |
| } |
| } else { |
| if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) { |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; |
| bRepaint = true; |
| } |
| if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; |
| bRepaint = true; |
| } |
| } |
| } else { |
| if (!m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) |
| return; |
| if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; |
| bRepaint = true; |
| } |
| } |
| if (bRepaint) |
| Repaint(&m_rtClient); |
| } |
| |
| void IFWL_PushButton::OnMouseLeave(CFWL_MsgMouse* pMsg) { |
| m_bBtnDown = false; |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; |
| Repaint(&m_rtClient); |
| } |
| |
| void IFWL_PushButton::OnKeyDown(CFWL_MsgKey* pMsg) { |
| if (pMsg->m_dwKeyCode == FWL_VKEY_Return) { |
| CFWL_EvtMouse wmMouse; |
| wmMouse.m_pSrcTarget = this; |
| wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp; |
| DispatchEvent(&wmMouse); |
| CFWL_EvtClick wmClick; |
| wmClick.m_pSrcTarget = this; |
| DispatchEvent(&wmClick); |
| return; |
| } |
| if (pMsg->m_dwKeyCode != FWL_VKEY_Tab) |
| return; |
| |
| DispatchKeyEvent(pMsg); |
| } |
