diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_spinbutton.cpp')
-rw-r--r-- | xfa/fwl/core/ifwl_spinbutton.cpp | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_spinbutton.cpp b/xfa/fwl/core/ifwl_spinbutton.cpp new file mode 100644 index 0000000000..dbba2f67f4 --- /dev/null +++ b/xfa/fwl/core/ifwl_spinbutton.cpp @@ -0,0 +1,436 @@ +// 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_spinbutton.h" + +#include "xfa/fwl/core/cfwl_message.h" +#include "xfa/fwl/core/cfwl_themebackground.h" +#include "xfa/fwl/core/cfwl_widgetimpproperties.h" +#include "xfa/fwl/core/fwl_noteimp.h" +#include "xfa/fwl/core/ifwl_spinbutton.h" +#include "xfa/fwl/core/ifwl_themeprovider.h" +#include "xfa/fwl/core/ifwl_themeprovider.h" +#include "xfa/fwl/core/ifwl_timer.h" + +namespace { + +const int kMinWidth = 18; +const int kMinHeight = 32; +const int kElapseTime = 200; + +} // namespace + +// static +IFWL_SpinButton* IFWL_SpinButton::Create( + const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter) { + return new IFWL_SpinButton(properties, nullptr); +} + +IFWL_SpinButton::IFWL_SpinButton(const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter) + : IFWL_Widget(properties, pOuter), + m_dwUpState(CFWL_PartState_Normal), + m_dwDnState(CFWL_PartState_Normal), + m_iButtonIndex(0), + m_bLButtonDwn(FALSE), + m_pTimerInfo(nullptr) { + m_rtClient.Reset(); + m_rtUpButton.Reset(); + m_rtDnButton.Reset(); + m_pProperties->m_dwStyleExes |= FWL_STYLEEXE_SPB_Vert; +} + +IFWL_SpinButton::~IFWL_SpinButton() {} + +FWL_Error IFWL_SpinButton::GetClassName(CFX_WideString& wsClass) const { + wsClass = FWL_CLASS_SpinButton; + return FWL_Error::Succeeded; +} + +FWL_Type IFWL_SpinButton::GetClassID() const { + return FWL_Type::SpinButton; +} + +FWL_Error IFWL_SpinButton::Initialize() { + if (IFWL_Widget::Initialize() != FWL_Error::Succeeded) + return FWL_Error::Indefinite; + + m_pDelegate = new CFWL_SpinButtonImpDelegate(this); + return FWL_Error::Succeeded; +} + +FWL_Error IFWL_SpinButton::Finalize() { + delete m_pDelegate; + m_pDelegate = nullptr; + return IFWL_Widget::Finalize(); +} + +FWL_Error IFWL_SpinButton::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { + if (bAutoSize) { + rect.Set(0, 0, kMinWidth, kMinHeight); + IFWL_Widget::GetWidgetRect(rect, TRUE); + } else { + rect = m_pProperties->m_rtWidget; + } + return FWL_Error::Succeeded; +} + +FWL_Error IFWL_SpinButton::Update() { + if (IsLocked()) { + return FWL_Error::Indefinite; + } + GetClientRect(m_rtClient); + if (m_pProperties->m_dwStyleExes & FWL_STYLEEXE_SPB_Vert) { + m_rtUpButton.Set(m_rtClient.top, m_rtClient.left, m_rtClient.width, + m_rtClient.height / 2); + m_rtDnButton.Set(m_rtClient.left, m_rtClient.top + m_rtClient.height / 2, + m_rtClient.width, m_rtClient.height / 2); + } else { + m_rtUpButton.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width / 2, + m_rtClient.height); + m_rtDnButton.Set(m_rtClient.left + m_rtClient.width / 2, m_rtClient.top, + m_rtClient.width / 2, m_rtClient.height); + } + return FWL_Error::Succeeded; +} + +FWL_WidgetHit IFWL_SpinButton::HitTest(FX_FLOAT fx, FX_FLOAT fy) { + if (m_rtClient.Contains(fx, fy)) + return FWL_WidgetHit::Client; + if (HasBorder() && (m_rtClient.Contains(fx, fy))) + return FWL_WidgetHit::Border; + if (HasEdge()) { + CFX_RectF rtEdge; + GetEdgeRect(rtEdge); + if (rtEdge.Contains(fx, fy)) + return FWL_WidgetHit::Left; + } + if (m_rtUpButton.Contains(fx, fy)) + return FWL_WidgetHit::UpButton; + if (m_rtDnButton.Contains(fx, fy)) + return FWL_WidgetHit::DownButton; + return FWL_WidgetHit::Unknown; +} + +FWL_Error IFWL_SpinButton::DrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + if (!pGraphics) + return FWL_Error::Indefinite; + CFX_RectF rtClip(m_rtClient); + if (pMatrix) { + pMatrix->TransformRect(rtClip); + } + IFWL_ThemeProvider* pTheme = GetAvailableTheme(); + if (HasBorder()) { + DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); + } + if (HasEdge()) { + DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); + } + DrawUpButton(pGraphics, pTheme, pMatrix); + DrawDownButton(pGraphics, pTheme, pMatrix); + return FWL_Error::Succeeded; +} + +void IFWL_SpinButton::Run(IFWL_TimerInfo* pTimerInfo) { + if (!m_pTimerInfo) + return; + + CFWL_EvtSpbClick wmPosChanged; + wmPosChanged.m_pSrcTarget = this; + wmPosChanged.m_bUp = m_iButtonIndex == 0; + DispatchEvent(&wmPosChanged); +} + +FWL_Error IFWL_SpinButton::EnableButton(FX_BOOL bEnable, FX_BOOL bUp) { + if (bUp) { + if (bEnable) { + m_dwUpState = CFWL_PartState_Normal; + } else { + m_dwUpState = CFWL_PartState_Disabled; + } + } else { + if (bEnable) { + m_dwDnState = CFWL_PartState_Normal; + } else { + m_dwDnState = CFWL_PartState_Disabled; + } + } + return FWL_Error::Succeeded; +} + +FX_BOOL IFWL_SpinButton::IsButtonEnable(FX_BOOL bUp) { + if (bUp) { + return (m_dwUpState != CFWL_PartState_Disabled); + } + return (m_dwDnState != CFWL_PartState_Disabled); +} + +void IFWL_SpinButton::DrawUpButton(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix) { + CFWL_ThemeBackground params; + params.m_pWidget = this; + params.m_iPart = CFWL_Part::UpButton; + params.m_pGraphics = pGraphics; + params.m_dwStates = m_dwUpState + 1; + if (pMatrix) { + params.m_matrix.Concat(*pMatrix); + } + params.m_rtPart = m_rtUpButton; + pTheme->DrawBackground(¶ms); +} + +void IFWL_SpinButton::DrawDownButton(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix) { + CFWL_ThemeBackground params; + params.m_pWidget = this; + params.m_iPart = CFWL_Part::DownButton; + params.m_pGraphics = pGraphics; + params.m_dwStates = m_dwDnState + 1; + if (pMatrix) { + params.m_matrix.Concat(*pMatrix); + } + params.m_rtPart = m_rtDnButton; + pTheme->DrawBackground(¶ms); +} + +CFWL_SpinButtonImpDelegate::CFWL_SpinButtonImpDelegate(IFWL_SpinButton* pOwner) + : m_pOwner(pOwner) {} + +void CFWL_SpinButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { + if (!pMessage) + 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_SpinButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {} + +void CFWL_SpinButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + m_pOwner->DrawWidget(pGraphics, pMatrix); +} + +void CFWL_SpinButtonImpDelegate::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_SpinButtonImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { + m_pOwner->m_bLButtonDwn = TRUE; + m_pOwner->SetGrab(TRUE); + m_pOwner->SetFocus(TRUE); + if (!m_pOwner->m_pProperties->m_pDataProvider) + return; + FX_BOOL bUpPress = (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy) && + m_pOwner->IsButtonEnable(TRUE)); + FX_BOOL bDnPress = (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy) && + m_pOwner->IsButtonEnable(FALSE)); + if (!bUpPress && !bDnPress) { + return; + } + if (bUpPress) { + m_pOwner->m_iButtonIndex = 0; + m_pOwner->m_dwUpState = CFWL_PartState_Pressed; + } + if (bDnPress) { + m_pOwner->m_iButtonIndex = 1; + m_pOwner->m_dwDnState = CFWL_PartState_Pressed; + } + CFWL_EvtSpbClick wmPosChanged; + wmPosChanged.m_pSrcTarget = m_pOwner; + wmPosChanged.m_bUp = bUpPress; + m_pOwner->DispatchEvent(&wmPosChanged); + m_pOwner->Repaint(bUpPress ? &m_pOwner->m_rtUpButton + : &m_pOwner->m_rtDnButton); + m_pOwner->m_pTimerInfo = m_pOwner->StartTimer(kElapseTime, true); +} + +void CFWL_SpinButtonImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { + if (m_pOwner->m_pProperties->m_dwStates & CFWL_PartState_Disabled) { + return; + } + m_pOwner->m_bLButtonDwn = FALSE; + m_pOwner->SetGrab(FALSE); + m_pOwner->SetFocus(FALSE); + if (m_pOwner->m_pTimerInfo) { + m_pOwner->m_pTimerInfo->StopTimer(); + m_pOwner->m_pTimerInfo = nullptr; + } + FX_BOOL bRepaint = FALSE; + CFX_RectF rtInvalidate; + if (m_pOwner->m_dwUpState == CFWL_PartState_Pressed && + m_pOwner->IsButtonEnable(TRUE)) { + m_pOwner->m_dwUpState = CFWL_PartState_Normal; + bRepaint = TRUE; + rtInvalidate = m_pOwner->m_rtUpButton; + } else if (m_pOwner->m_dwDnState == CFWL_PartState_Pressed && + m_pOwner->IsButtonEnable(FALSE)) { + m_pOwner->m_dwDnState = CFWL_PartState_Normal; + bRepaint = TRUE; + rtInvalidate = m_pOwner->m_rtDnButton; + } + if (bRepaint) { + m_pOwner->Repaint(&rtInvalidate); + } +} + +void CFWL_SpinButtonImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) { + if (!m_pOwner->m_pProperties->m_pDataProvider) + return; + if (m_pOwner->m_bLButtonDwn) { + return; + } + FX_BOOL bRepaint = FALSE; + CFX_RectF rtInvlidate; + rtInvlidate.Reset(); + if (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy)) { + if (m_pOwner->IsButtonEnable(TRUE)) { + if (m_pOwner->m_dwUpState == CFWL_PartState_Hovered) { + m_pOwner->m_dwUpState = CFWL_PartState_Hovered; + bRepaint = TRUE; + rtInvlidate = m_pOwner->m_rtUpButton; + } + if (m_pOwner->m_dwDnState != CFWL_PartState_Normal && + m_pOwner->IsButtonEnable(FALSE)) { + m_pOwner->m_dwDnState = CFWL_PartState_Normal; + if (bRepaint) { + rtInvlidate.Union(m_pOwner->m_rtDnButton); + } else { + rtInvlidate = m_pOwner->m_rtDnButton; + } + bRepaint = TRUE; + } + } + if (!m_pOwner->IsButtonEnable(FALSE)) { + m_pOwner->EnableButton(FALSE, FALSE); + } + } else if (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy)) { + if (m_pOwner->IsButtonEnable(FALSE)) { + if (m_pOwner->m_dwDnState != CFWL_PartState_Hovered) { + m_pOwner->m_dwDnState = CFWL_PartState_Hovered; + bRepaint = TRUE; + rtInvlidate = m_pOwner->m_rtDnButton; + } + if (m_pOwner->m_dwUpState != CFWL_PartState_Normal && + m_pOwner->IsButtonEnable(TRUE)) { + m_pOwner->m_dwUpState = CFWL_PartState_Normal; + if (bRepaint) { + rtInvlidate.Union(m_pOwner->m_rtUpButton); + } else { + rtInvlidate = m_pOwner->m_rtUpButton; + } + bRepaint = TRUE; + } + } + } else if (m_pOwner->m_dwUpState != CFWL_PartState_Normal || + m_pOwner->m_dwDnState != CFWL_PartState_Normal) { + if (m_pOwner->m_dwUpState != CFWL_PartState_Normal) { + m_pOwner->m_dwUpState = CFWL_PartState_Normal; + bRepaint = TRUE; + rtInvlidate = m_pOwner->m_rtUpButton; + } + if (m_pOwner->m_dwDnState != CFWL_PartState_Normal) { + m_pOwner->m_dwDnState = CFWL_PartState_Normal; + if (bRepaint) { + rtInvlidate.Union(m_pOwner->m_rtDnButton); + } else { + rtInvlidate = m_pOwner->m_rtDnButton; + } + bRepaint = TRUE; + } + } + if (bRepaint) { + m_pOwner->Repaint(&rtInvlidate); + } +} + +void CFWL_SpinButtonImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) { + if (!pMsg) + return; + if (m_pOwner->m_dwUpState != CFWL_PartState_Normal && + m_pOwner->IsButtonEnable(TRUE)) { + m_pOwner->m_dwUpState = CFWL_PartState_Normal; + } + if (m_pOwner->m_dwDnState != CFWL_PartState_Normal && + m_pOwner->IsButtonEnable(FALSE)) { + m_pOwner->m_dwDnState = CFWL_PartState_Normal; + } + m_pOwner->Repaint(&m_pOwner->m_rtClient); +} + +void CFWL_SpinButtonImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) { + if (!m_pOwner->m_pProperties->m_pDataProvider) + return; + FX_BOOL bUp = + pMsg->m_dwKeyCode == FWL_VKEY_Up || pMsg->m_dwKeyCode == FWL_VKEY_Left; + FX_BOOL bDown = + pMsg->m_dwKeyCode == FWL_VKEY_Down || pMsg->m_dwKeyCode == FWL_VKEY_Right; + if (!bUp && !bDown) { + return; + } + FX_BOOL bUpEnable = m_pOwner->IsButtonEnable(TRUE); + FX_BOOL bDownEnable = m_pOwner->IsButtonEnable(FALSE); + if (!bUpEnable && !bDownEnable) { + return; + } + CFWL_EvtSpbClick wmPosChanged; + wmPosChanged.m_pSrcTarget = m_pOwner; + wmPosChanged.m_bUp = bUpEnable; + m_pOwner->DispatchEvent(&wmPosChanged); + m_pOwner->Repaint(bUpEnable ? &m_pOwner->m_rtUpButton + : &m_pOwner->m_rtDnButton); +} |