diff options
Diffstat (limited to 'xfa/fwl/cfwl_checkbox.cpp')
| -rw-r--r-- | xfa/fwl/cfwl_checkbox.cpp | 458 |
1 files changed, 458 insertions, 0 deletions
diff --git a/xfa/fwl/cfwl_checkbox.cpp b/xfa/fwl/cfwl_checkbox.cpp new file mode 100644 index 0000000000..2e37548954 --- /dev/null +++ b/xfa/fwl/cfwl_checkbox.cpp @@ -0,0 +1,458 @@ +// 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/cfwl_checkbox.h" + +#include <algorithm> +#include <memory> +#include <utility> + +#include "third_party/base/ptr_util.h" +#include "xfa/fde/tto/fde_textout.h" +#include "xfa/fwl/cfwl_app.h" +#include "xfa/fwl/cfwl_event.h" +#include "xfa/fwl/cfwl_messagekey.h" +#include "xfa/fwl/cfwl_messagemouse.h" +#include "xfa/fwl/cfwl_notedriver.h" +#include "xfa/fwl/cfwl_themebackground.h" +#include "xfa/fwl/cfwl_themetext.h" +#include "xfa/fwl/cfwl_widgetmgr.h" +#include "xfa/fwl/ifwl_themeprovider.h" + +namespace { + +const int kCaptionMargin = 5; + +} // namespace + +CFWL_CheckBox::CFWL_CheckBox(const CFWL_App* app) + : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr), + m_dwTTOStyles(FDE_TTOSTYLE_SingleLine), + m_iTTOAlign(FDE_TTOALIGNMENT_Center), + m_bBtnDown(false), + m_fBoxHeight(16.0f) { + m_rtClient.Reset(); + m_rtBox.Reset(); + m_rtCaption.Reset(); + m_rtFocus.Reset(); +} + +CFWL_CheckBox::~CFWL_CheckBox() {} + +FWL_Type CFWL_CheckBox::GetClassID() const { + return FWL_Type::CheckBox; +} + +void CFWL_CheckBox::SetBoxSize(FX_FLOAT fHeight) { + m_fBoxHeight = fHeight; +} + +void CFWL_CheckBox::Update() { + if (IsLocked()) + return; + if (!m_pProperties->m_pThemeProvider) + m_pProperties->m_pThemeProvider = GetAvailableTheme(); + + UpdateTextOutStyles(); + Layout(); +} + +void CFWL_CheckBox::DrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + if (!pGraphics) + return; + if (!m_pProperties->m_pThemeProvider) + return; + + 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, pTheme, pMatrix); + + int32_t dwStates = GetPartStates(); + + CFWL_ThemeBackground param; + param.m_pWidget = this; + param.m_iPart = CFWL_Part::Background; + param.m_dwStates = dwStates; + 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_rtFocus; + pTheme->DrawBackground(¶m); + + param.m_iPart = CFWL_Part::CheckBox; + param.m_rtPart = m_rtBox; + pTheme->DrawBackground(¶m); + + CFWL_ThemeText textParam; + textParam.m_pWidget = this; + textParam.m_iPart = CFWL_Part::Caption; + textParam.m_dwStates = dwStates; + textParam.m_pGraphics = pGraphics; + if (pMatrix) + textParam.m_matrix.Concat(*pMatrix); + textParam.m_rtPart = m_rtCaption; + textParam.m_wsText = L"Check box"; + textParam.m_dwTTOStyles = m_dwTTOStyles; + textParam.m_iTTOAlign = m_iTTOAlign; + pTheme->DrawText(&textParam); +} + +void CFWL_CheckBox::SetCheckState(int32_t iCheck) { + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask; + switch (iCheck) { + case 1: + m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked; + break; + case 2: + if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) + m_pProperties->m_dwStates |= FWL_STATE_CKB_Neutral; + break; + default: + break; + } + Repaint(&m_rtClient); +} + +void CFWL_CheckBox::Layout() { + m_pProperties->m_rtWidget.width = + FXSYS_round(m_pProperties->m_rtWidget.width); + m_pProperties->m_rtWidget.height = + FXSYS_round(m_pProperties->m_rtWidget.height); + GetClientRect(m_rtClient); + + FX_FLOAT fBoxTop = m_rtClient.top; + FX_FLOAT fClientBottom = m_rtClient.bottom(); + + switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) { + case FWL_STYLEEXT_CKB_Top: + break; + case FWL_STYLEEXT_CKB_Bottom: { + fBoxTop = fClientBottom - m_fBoxHeight; + break; + } + case FWL_STYLEEXT_CKB_VCenter: + default: { + fBoxTop = m_rtClient.top + (m_rtClient.height - m_fBoxHeight) / 2; + fBoxTop = FXSYS_floor(fBoxTop); + break; + } + } + + FX_FLOAT fBoxLeft = m_rtClient.left; + FX_FLOAT fTextLeft = 0.0; + FX_FLOAT fTextRight = 0.0; + FX_FLOAT fClientRight = m_rtClient.right(); + if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_LeftText) { + fBoxLeft = fClientRight - m_fBoxHeight; + fTextLeft = m_rtClient.left; + fTextRight = fBoxLeft; + } else { + fTextLeft = fBoxLeft + m_fBoxHeight; + fTextRight = fClientRight; + } + m_rtBox.Set(fBoxLeft, fBoxTop, m_fBoxHeight, m_fBoxHeight); + m_rtCaption.Set(fTextLeft, m_rtClient.top, fTextRight - fTextLeft, + m_rtClient.height); + m_rtCaption.Inflate(-kCaptionMargin, -kCaptionMargin); + + CFX_RectF rtFocus; + rtFocus.Set(m_rtCaption.left, m_rtCaption.top, m_rtCaption.width, + m_rtCaption.height); + + CalcTextRect(L"Check box", m_pProperties->m_pThemeProvider, m_dwTTOStyles, + m_iTTOAlign, rtFocus); + if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine) == 0) { + FX_FLOAT fWidth = std::max(m_rtCaption.width, rtFocus.width); + FX_FLOAT fHeight = std::min(m_rtCaption.height, rtFocus.height); + FX_FLOAT fLeft = m_rtCaption.left; + FX_FLOAT fTop = m_rtCaption.top; + if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_HLayoutMask) == + FWL_STYLEEXT_CKB_Center) { + fLeft = m_rtCaption.left + (m_rtCaption.width - fWidth) / 2; + } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_HLayoutMask) == + FWL_STYLEEXT_CKB_Right) { + fLeft = m_rtCaption.right() - fWidth; + } + if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) == + FWL_STYLEEXT_CKB_VCenter) { + fTop = m_rtCaption.top + (m_rtCaption.height - fHeight) / 2; + } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) == + FWL_STYLEEXT_CKB_Bottom) { + fTop = m_rtCaption.bottom() - fHeight; + } + m_rtFocus.Set(fLeft, fTop, fWidth, fHeight); + } else { + m_rtFocus.Set(rtFocus.left, rtFocus.top, rtFocus.width, rtFocus.height); + } + m_rtFocus.Inflate(1, 1); +} + +uint32_t CFWL_CheckBox::GetPartStates() const { + int32_t dwStates = CFWL_PartState_Normal; + if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) == + FWL_STATE_CKB_Neutral) { + dwStates = CFWL_PartState_Neutral; + } else if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) == + FWL_STATE_CKB_Checked) { + dwStates = CFWL_PartState_Checked; + } + if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) + dwStates |= CFWL_PartState_Disabled; + else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) + dwStates |= CFWL_PartState_Hovered; + else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) + dwStates |= CFWL_PartState_Pressed; + else + dwStates |= CFWL_PartState_Normal; + if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) + dwStates |= CFWL_PartState_Focused; + return dwStates; +} + +void CFWL_CheckBox::UpdateTextOutStyles() { + switch (m_pProperties->m_dwStyleExes & + (FWL_STYLEEXT_CKB_HLayoutMask | FWL_STYLEEXT_CKB_VLayoutMask)) { + case FWL_STYLEEXT_CKB_Left | FWL_STYLEEXT_CKB_Top: { + m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft; + break; + } + case FWL_STYLEEXT_CKB_Center | FWL_STYLEEXT_CKB_Top: { + m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter; + break; + } + case FWL_STYLEEXT_CKB_Right | FWL_STYLEEXT_CKB_Top: { + m_iTTOAlign = FDE_TTOALIGNMENT_TopRight; + break; + } + case FWL_STYLEEXT_CKB_Left | FWL_STYLEEXT_CKB_VCenter: { + m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; + break; + } + case FWL_STYLEEXT_CKB_Right | FWL_STYLEEXT_CKB_VCenter: { + m_iTTOAlign = FDE_TTOALIGNMENT_CenterRight; + break; + } + case FWL_STYLEEXT_CKB_Left | FWL_STYLEEXT_CKB_Bottom: { + m_iTTOAlign = FDE_TTOALIGNMENT_BottomLeft; + break; + } + case FWL_STYLEEXT_CKB_Center | FWL_STYLEEXT_CKB_Bottom: { + m_iTTOAlign = FDE_TTOALIGNMENT_BottomCenter; + break; + } + case FWL_STYLEEXT_CKB_Right | FWL_STYLEEXT_CKB_Bottom: { + m_iTTOAlign = FDE_TTOALIGNMENT_BottomRight; + break; + } + case FWL_STYLEEXT_CKB_Center | FWL_STYLEEXT_CKB_VCenter: + default: { + m_iTTOAlign = FDE_TTOALIGNMENT_Center; + break; + } + } + m_dwTTOStyles = 0; + if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) + m_dwTTOStyles |= FDE_TTOSTYLE_RTL; + if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine) + m_dwTTOStyles |= FDE_TTOSTYLE_LineWrap; + else + m_dwTTOStyles |= FDE_TTOSTYLE_SingleLine; +} + +void CFWL_CheckBox::NextStates() { + uint32_t dwFirststate = m_pProperties->m_dwStates; + if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_RadioButton) { + if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) == + FWL_STATE_CKB_Unchecked) { + CFWL_WidgetMgr* pWidgetMgr = GetOwnerApp()->GetWidgetMgr(); + if (!pWidgetMgr->IsFormDisabled()) { + CFX_ArrayTemplate<CFWL_Widget*> radioarr; + pWidgetMgr->GetSameGroupRadioButton(this, radioarr); + CFWL_CheckBox* pCheckBox = nullptr; + int32_t iCount = radioarr.GetSize(); + for (int32_t i = 0; i < iCount; i++) { + pCheckBox = static_cast<CFWL_CheckBox*>(radioarr[i]); + if (pCheckBox != this && + pCheckBox->GetStates() & FWL_STATE_CKB_Checked) { + pCheckBox->SetCheckState(0); + CFX_RectF rt = pCheckBox->GetWidgetRect(); + rt.left = rt.top = 0; + m_pWidgetMgr->RepaintWidget(pCheckBox, &rt); + break; + } + } + } + m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked; + } + } else { + if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) == + FWL_STATE_CKB_Neutral) { + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask; + if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) + m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked; + } else if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) == + FWL_STATE_CKB_Checked) { + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask; + } else { + if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) + m_pProperties->m_dwStates |= FWL_STATE_CKB_Neutral; + else + m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked; + } + } + + Repaint(&m_rtClient); + if (dwFirststate == m_pProperties->m_dwStates) + return; + + CFWL_Event wmCheckBoxState(CFWL_Event::Type::CheckStateChanged, this); + DispatchEvent(&wmCheckBoxState); +} + +void CFWL_CheckBox::OnProcessMessage(CFWL_Message* pMessage) { + if (!pMessage) + return; + + switch (pMessage->GetType()) { + case CFWL_Message::Type::SetFocus: + OnFocusChanged(true); + break; + case CFWL_Message::Type::KillFocus: + OnFocusChanged(false); + break; + case CFWL_Message::Type::Mouse: { + CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage); + switch (pMsg->m_dwCmd) { + case FWL_MouseCommand::LeftButtonDown: + OnLButtonDown(); + break; + case FWL_MouseCommand::LeftButtonUp: + OnLButtonUp(pMsg); + break; + case FWL_MouseCommand::Move: + OnMouseMove(pMsg); + break; + case FWL_MouseCommand::Leave: + OnMouseLeave(); + break; + default: + break; + } + break; + } + case CFWL_Message::Type::Key: { + CFWL_MessageKey* pKey = static_cast<CFWL_MessageKey*>(pMessage); + if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown) + OnKeyDown(pKey); + break; + } + default: + break; + } + + CFWL_Widget::OnProcessMessage(pMessage); +} + +void CFWL_CheckBox::OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + DrawWidget(pGraphics, pMatrix); +} + +void CFWL_CheckBox::OnFocusChanged(bool bSet) { + if (bSet) + m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; + else + m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; + + Repaint(&m_rtClient); +} + +void CFWL_CheckBox::OnLButtonDown() { + if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) + return; + if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) + SetFocus(true); + + m_bBtnDown = true; + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered; + m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed; + Repaint(&m_rtClient); +} + +void CFWL_CheckBox::OnLButtonUp(CFWL_MessageMouse* pMsg) { + if (!m_bBtnDown) + return; + + m_bBtnDown = false; + if (!m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) + return; + + m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered; + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Pressed; + NextStates(); +} + +void CFWL_CheckBox::OnMouseMove(CFWL_MessageMouse* pMsg) { + if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) + return; + + bool bRepaint = false; + if (m_bBtnDown) { + if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { + if ((m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) == 0) { + bRepaint = true; + m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed; + } + if ((m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered)) { + bRepaint = true; + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered; + } + } else { + if (m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) { + bRepaint = true; + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Pressed; + } + if ((m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) == 0) { + bRepaint = true; + m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered; + } + } + } else { + if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { + if ((m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) == 0) { + bRepaint = true; + m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered; + } + } + } + if (bRepaint) + Repaint(&m_rtBox); +} + +void CFWL_CheckBox::OnMouseLeave() { + if (m_bBtnDown) + m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered; + else + m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered; + + Repaint(&m_rtBox); +} + +void CFWL_CheckBox::OnKeyDown(CFWL_MessageKey* pMsg) { + if (pMsg->m_dwKeyCode == FWL_VKEY_Tab) + return; + if (pMsg->m_dwKeyCode == FWL_VKEY_Return || + pMsg->m_dwKeyCode == FWL_VKEY_Space) { + NextStates(); + } +} |