| // 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_pushbutton.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "third_party/base/ptr_util.h" |
| #include "xfa/fde/cfde_textout.h" |
| #include "xfa/fwl/cfwl_event.h" |
| #include "xfa/fwl/cfwl_eventmouse.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/ifwl_themeprovider.h" |
| |
| CFWL_PushButton::CFWL_PushButton(const CFWL_App* app) |
| : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr), |
| m_bBtnDown(false) {} |
| |
| CFWL_PushButton::~CFWL_PushButton() {} |
| |
| FWL_Type CFWL_PushButton::GetClassID() const { |
| return FWL_Type::PushButton; |
| } |
| |
| void CFWL_PushButton::SetStates(uint32_t dwStates) { |
| if (dwStates & FWL_WGTSTATE_Disabled) { |
| m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled; |
| return; |
| } |
| CFWL_Widget::SetStates(dwStates); |
| } |
| |
| void CFWL_PushButton::Update() { |
| if (IsLocked()) |
| return; |
| if (!m_pProperties->m_pThemeProvider) |
| m_pProperties->m_pThemeProvider = GetAvailableTheme(); |
| |
| m_rtClient = GetClientRect(); |
| m_rtCaption = m_rtClient; |
| } |
| |
| void CFWL_PushButton::DrawWidget(CXFA_Graphics* pGraphics, |
| const CFX_Matrix& matrix) { |
| if (!pGraphics) |
| return; |
| |
| IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider.Get(); |
| if (!pTheme) |
| return; |
| |
| if (HasBorder()) |
| DrawBorder(pGraphics, CFWL_Part::Border, pTheme, matrix); |
| DrawBkground(pGraphics, pTheme, &matrix); |
| } |
| |
| void CFWL_PushButton::DrawBkground(CXFA_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); |
| } |
| |
| uint32_t CFWL_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; |
| return dwStates; |
| } |
| |
| void CFWL_PushButton::OnProcessMessage(CFWL_Message* pMessage) { |
| if (!pMessage) |
| return; |
| if (!IsEnabled()) |
| return; |
| |
| switch (pMessage->GetType()) { |
| case CFWL_Message::Type::SetFocus: |
| OnFocusChanged(pMessage, true); |
| break; |
| case CFWL_Message::Type::KillFocus: |
| OnFocusChanged(pMessage, false); |
| break; |
| case CFWL_Message::Type::Mouse: { |
| CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(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_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_PushButton::OnDrawWidget(CXFA_Graphics* pGraphics, |
| const CFX_Matrix& matrix) { |
| DrawWidget(pGraphics, matrix); |
| } |
| |
| void CFWL_PushButton::OnFocusChanged(CFWL_Message* pMsg, bool bSet) { |
| if (bSet) |
| m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; |
| else |
| m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; |
| |
| RepaintRect(m_rtClient); |
| } |
| |
| void CFWL_PushButton::OnLButtonDown(CFWL_MessageMouse* pMsg) { |
| m_bBtnDown = true; |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; |
| RepaintRect(m_rtClient); |
| } |
| |
| void CFWL_PushButton::OnLButtonUp(CFWL_MessageMouse* pMsg) { |
| m_bBtnDown = false; |
| if (m_rtClient.Contains(pMsg->m_pos)) { |
| 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_pos)) { |
| CFWL_Event wmClick(CFWL_Event::Type::Click, this); |
| DispatchEvent(&wmClick); |
| } |
| RepaintRect(m_rtClient); |
| } |
| |
| void CFWL_PushButton::OnMouseMove(CFWL_MessageMouse* pMsg) { |
| bool bRepaint = false; |
| if (m_bBtnDown) { |
| if (m_rtClient.Contains(pMsg->m_pos)) { |
| 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_pos)) |
| return; |
| if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { |
| m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; |
| bRepaint = true; |
| } |
| } |
| if (bRepaint) |
| RepaintRect(m_rtClient); |
| } |
| |
| void CFWL_PushButton::OnMouseLeave(CFWL_MessageMouse* pMsg) { |
| m_bBtnDown = false; |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered; |
| m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed; |
| RepaintRect(m_rtClient); |
| } |
| |
| void CFWL_PushButton::OnKeyDown(CFWL_MessageKey* pMsg) { |
| if (pMsg->m_dwKeyCode != FWL_VKEY_Return) |
| return; |
| |
| CFWL_EventMouse wmMouse(this); |
| wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp; |
| DispatchEvent(&wmMouse); |
| |
| CFWL_Event wmClick(CFWL_Event::Type::Click, this); |
| DispatchEvent(&wmClick); |
| } |