diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_pushbutton.cpp')
| -rw-r--r-- | xfa/fwl/core/ifwl_pushbutton.cpp | 563 |
1 files changed, 563 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_pushbutton.cpp b/xfa/fwl/core/ifwl_pushbutton.cpp new file mode 100644 index 0000000000..a3efb10296 --- /dev/null +++ b/xfa/fwl/core/ifwl_pushbutton.cpp @@ -0,0 +1,563 @@ +// 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" + +// static +IFWL_PushButton* IFWL_PushButton::Create( + const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter) { + return new IFWL_PushButton(properties, pOuter); +} + +IFWL_PushButton::IFWL_PushButton(const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter) + : IFWL_Widget(properties, pOuter), + 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_Error IFWL_PushButton::GetClassName(CFX_WideString& wsClass) const { + wsClass = FWL_CLASS_PushButton; + return FWL_Error::Succeeded; +} + +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; +} + +FWL_Error IFWL_PushButton::Finalize() { + delete m_pDelegate; + m_pDelegate = nullptr; + return 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); +} |