| // 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 <utility> |
| |
| #include "xfa/fde/cfde_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/fwl_widgetdef.h" |
| #include "xfa/fwl/ifwl_themeprovider.h" |
| |
| namespace { |
| |
| const int kCaptionMargin = 5; |
| |
| } // namespace |
| |
| CFWL_CheckBox::CFWL_CheckBox(CFWL_App* app) |
| : CFWL_Widget(app, Properties(), nullptr) { |
| m_TTOStyles.single_line_ = true; |
| } |
| |
| CFWL_CheckBox::~CFWL_CheckBox() = default; |
| |
| FWL_Type CFWL_CheckBox::GetClassID() const { |
| return FWL_Type::CheckBox; |
| } |
| |
| void CFWL_CheckBox::SetBoxSize(float fHeight) { |
| m_fBoxHeight = fHeight; |
| } |
| |
| void CFWL_CheckBox::Update() { |
| if (IsLocked()) |
| return; |
| |
| UpdateTextOutStyles(); |
| Layout(); |
| } |
| |
| void CFWL_CheckBox::DrawWidget(CFGAS_GEGraphics* pGraphics, |
| const CFX_Matrix& matrix) { |
| if (!pGraphics) |
| return; |
| |
| if (HasBorder()) |
| DrawBorder(pGraphics, CFWL_Part::Border, matrix); |
| |
| 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; |
| param.m_matrix.Concat(matrix); |
| param.m_PartRect = m_ClientRect; |
| if (m_Properties.m_dwStates & FWL_WGTSTATE_Focused) |
| param.m_pRtData = &m_FocusRect; |
| |
| IFWL_ThemeProvider* pTheme = GetThemeProvider(); |
| pTheme->DrawBackground(param); |
| |
| param.m_iPart = CFWL_Part::CheckBox; |
| param.m_PartRect = m_BoxRect; |
| pTheme->DrawBackground(param); |
| |
| CFWL_ThemeText textParam; |
| textParam.m_pWidget = this; |
| textParam.m_iPart = CFWL_Part::Caption; |
| textParam.m_dwStates = dwStates; |
| textParam.m_pGraphics = pGraphics; |
| textParam.m_matrix.Concat(matrix); |
| textParam.m_PartRect = m_CaptionRect; |
| textParam.m_wsText = L"Check box"; |
| textParam.m_dwTTOStyles = m_TTOStyles; |
| textParam.m_iTTOAlign = m_iTTOAlign; |
| pTheme->DrawText(textParam); |
| } |
| |
| void CFWL_CheckBox::SetCheckState(int32_t iCheck) { |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_CheckMask; |
| switch (iCheck) { |
| case 1: |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Checked; |
| break; |
| case 2: |
| if (m_Properties.m_dwStyleExes & FWL_STYLEEXT_CKB_3State) |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Neutral; |
| break; |
| default: |
| break; |
| } |
| RepaintRect(m_ClientRect); |
| } |
| |
| void CFWL_CheckBox::Layout() { |
| m_WidgetRect.width = FXSYS_roundf(m_WidgetRect.width); |
| m_WidgetRect.height = FXSYS_roundf(m_WidgetRect.height); |
| m_ClientRect = GetClientRect(); |
| |
| float fTextLeft = m_ClientRect.left + m_fBoxHeight; |
| m_BoxRect = CFX_RectF(m_ClientRect.TopLeft(), m_fBoxHeight, m_fBoxHeight); |
| m_CaptionRect = |
| CFX_RectF(fTextLeft, m_ClientRect.top, m_ClientRect.right() - fTextLeft, |
| m_ClientRect.height); |
| m_CaptionRect.Inflate(-kCaptionMargin, -kCaptionMargin); |
| |
| CFX_RectF rtFocus = m_CaptionRect; |
| CalcTextRect(L"Check box", m_TTOStyles, m_iTTOAlign, &rtFocus); |
| m_FocusRect = CFX_RectF(m_CaptionRect.TopLeft(), |
| std::max(m_CaptionRect.width, rtFocus.width), |
| std::min(m_CaptionRect.height, rtFocus.height)); |
| m_FocusRect.Inflate(1, 1); |
| } |
| |
| uint32_t CFWL_CheckBox::GetPartStates() const { |
| int32_t dwStates = CFWL_PartState_Normal; |
| if ((m_Properties.m_dwStates & FWL_STATE_CKB_CheckMask) == |
| FWL_STATE_CKB_Neutral) { |
| dwStates = CFWL_PartState_Neutral; |
| } else if ((m_Properties.m_dwStates & FWL_STATE_CKB_CheckMask) == |
| FWL_STATE_CKB_Checked) { |
| dwStates = CFWL_PartState_Checked; |
| } |
| if (m_Properties.m_dwStates & FWL_WGTSTATE_Disabled) |
| dwStates |= CFWL_PartState_Disabled; |
| else if (m_Properties.m_dwStates & FWL_STATE_CKB_Hovered) |
| dwStates |= CFWL_PartState_Hovered; |
| else if (m_Properties.m_dwStates & FWL_STATE_CKB_Pressed) |
| dwStates |= CFWL_PartState_Pressed; |
| else |
| dwStates |= CFWL_PartState_Normal; |
| if (m_Properties.m_dwStates & FWL_WGTSTATE_Focused) |
| dwStates |= CFWL_PartState_Focused; |
| return dwStates; |
| } |
| |
| void CFWL_CheckBox::UpdateTextOutStyles() { |
| m_iTTOAlign = FDE_TextAlignment::kTopLeft; |
| m_TTOStyles.Reset(); |
| m_TTOStyles.single_line_ = true; |
| } |
| |
| void CFWL_CheckBox::NextStates() { |
| uint32_t dwFirststate = m_Properties.m_dwStates; |
| if (m_Properties.m_dwStyleExes & FWL_STYLEEXT_CKB_RadioButton) { |
| if ((m_Properties.m_dwStates & FWL_STATE_CKB_CheckMask) == |
| FWL_STATE_CKB_Unchecked) { |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Checked; |
| } |
| } else { |
| if ((m_Properties.m_dwStates & FWL_STATE_CKB_CheckMask) == |
| FWL_STATE_CKB_Neutral) { |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_CheckMask; |
| if (m_Properties.m_dwStyleExes & FWL_STYLEEXT_CKB_3State) |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Checked; |
| } else if ((m_Properties.m_dwStates & FWL_STATE_CKB_CheckMask) == |
| FWL_STATE_CKB_Checked) { |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_CheckMask; |
| } else { |
| if (m_Properties.m_dwStyleExes & FWL_STYLEEXT_CKB_3State) |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Neutral; |
| else |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Checked; |
| } |
| } |
| |
| RepaintRect(m_ClientRect); |
| if (dwFirststate == m_Properties.m_dwStates) |
| return; |
| |
| CFWL_Event wmCheckBoxState(CFWL_Event::Type::CheckStateChanged, this); |
| DispatchEvent(&wmCheckBoxState); |
| } |
| |
| void CFWL_CheckBox::OnProcessMessage(CFWL_Message* pMessage) { |
| switch (pMessage->GetType()) { |
| case CFWL_Message::Type::kSetFocus: |
| OnFocusChanged(true); |
| break; |
| case CFWL_Message::Type::kKillFocus: |
| OnFocusChanged(false); |
| break; |
| case CFWL_Message::Type::kMouse: { |
| 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::kKey: { |
| CFWL_MessageKey* pKey = static_cast<CFWL_MessageKey*>(pMessage); |
| if (pKey->m_dwCmd == CFWL_MessageKey::Type::kKeyDown) |
| OnKeyDown(pKey); |
| break; |
| } |
| default: |
| break; |
| } |
| // Dst target could be |this|, continue only if not destroyed by above. |
| if (pMessage->GetDstTarget()) |
| CFWL_Widget::OnProcessMessage(pMessage); |
| } |
| |
| void CFWL_CheckBox::OnDrawWidget(CFGAS_GEGraphics* pGraphics, |
| const CFX_Matrix& matrix) { |
| DrawWidget(pGraphics, matrix); |
| } |
| |
| void CFWL_CheckBox::OnFocusChanged(bool bSet) { |
| if (bSet) |
| m_Properties.m_dwStates |= FWL_WGTSTATE_Focused; |
| else |
| m_Properties.m_dwStates &= ~FWL_WGTSTATE_Focused; |
| |
| RepaintRect(m_ClientRect); |
| } |
| |
| void CFWL_CheckBox::OnLButtonDown() { |
| if (m_Properties.m_dwStates & FWL_WGTSTATE_Disabled) |
| return; |
| |
| m_bBtnDown = true; |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_Hovered; |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Pressed; |
| RepaintRect(m_ClientRect); |
| } |
| |
| void CFWL_CheckBox::OnLButtonUp(CFWL_MessageMouse* pMsg) { |
| if (!m_bBtnDown) |
| return; |
| |
| m_bBtnDown = false; |
| if (!m_ClientRect.Contains(pMsg->m_pos)) |
| return; |
| |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Hovered; |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_Pressed; |
| NextStates(); |
| } |
| |
| void CFWL_CheckBox::OnMouseMove(CFWL_MessageMouse* pMsg) { |
| if (m_Properties.m_dwStates & FWL_WGTSTATE_Disabled) |
| return; |
| |
| bool bRepaint = false; |
| if (m_bBtnDown) { |
| if (m_ClientRect.Contains(pMsg->m_pos)) { |
| if ((m_Properties.m_dwStates & FWL_STATE_CKB_Pressed) == 0) { |
| bRepaint = true; |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Pressed; |
| } |
| if ((m_Properties.m_dwStates & FWL_STATE_CKB_Hovered)) { |
| bRepaint = true; |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_Hovered; |
| } |
| } else { |
| if (m_Properties.m_dwStates & FWL_STATE_CKB_Pressed) { |
| bRepaint = true; |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_Pressed; |
| } |
| if ((m_Properties.m_dwStates & FWL_STATE_CKB_Hovered) == 0) { |
| bRepaint = true; |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Hovered; |
| } |
| } |
| } else { |
| if (m_ClientRect.Contains(pMsg->m_pos)) { |
| if ((m_Properties.m_dwStates & FWL_STATE_CKB_Hovered) == 0) { |
| bRepaint = true; |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Hovered; |
| } |
| } |
| } |
| if (bRepaint) |
| RepaintRect(m_BoxRect); |
| } |
| |
| void CFWL_CheckBox::OnMouseLeave() { |
| if (m_bBtnDown) |
| m_Properties.m_dwStates |= FWL_STATE_CKB_Hovered; |
| else |
| m_Properties.m_dwStates &= ~FWL_STATE_CKB_Hovered; |
| |
| RepaintRect(m_BoxRect); |
| } |
| |
| void CFWL_CheckBox::OnKeyDown(CFWL_MessageKey* pMsg) { |
| if (pMsg->m_dwKeyCode == XFA_FWL_VKEY_Tab) |
| return; |
| if (pMsg->m_dwKeyCode == XFA_FWL_VKEY_Return || |
| pMsg->m_dwKeyCode == XFA_FWL_VKEY_Space) { |
| NextStates(); |
| } |
| } |