diff options
Diffstat (limited to 'xfa/fwl/cfwl_pushbutton.cpp')
-rw-r--r-- | xfa/fwl/cfwl_pushbutton.cpp | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/xfa/fwl/cfwl_pushbutton.cpp b/xfa/fwl/cfwl_pushbutton.cpp new file mode 100644 index 0000000000..4e5ab8baf6 --- /dev/null +++ b/xfa/fwl/cfwl_pushbutton.cpp @@ -0,0 +1,291 @@ +// 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/tto/fde_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), + m_dwTTOStyles(FDE_TTOSTYLE_SingleLine), + m_iTTOAlign(FDE_TTOALIGNMENT_Center) { + m_rtClient.Set(0, 0, 0, 0); + m_rtCaption.Set(0, 0, 0, 0); +} + +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(); + + UpdateTextOutStyles(); + GetClientRect(m_rtClient); + m_rtCaption = m_rtClient; + FX_FLOAT* fcaption = + static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin)); + m_rtCaption.Inflate(-*fcaption, -*fcaption); +} + +void CFWL_PushButton::DrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + if (!pGraphics) + return; + if (!m_pProperties->m_pThemeProvider) + return; + + 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); +} + +void CFWL_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); +} + +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; + else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Default) + dwStates |= CFWL_PartState_Default; + return dwStates; +} + +void CFWL_PushButton::UpdateTextOutStyles() { + 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_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; + } + case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_VCenter: + default: { + m_iTTOAlign = FDE_TTOALIGNMENT_Center; + break; + } + } + m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; + if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) + m_dwTTOStyles |= FDE_TTOSTYLE_RTL; +} + +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(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + DrawWidget(pGraphics, pMatrix); +} + +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; + + Repaint(&m_rtClient); +} + +void CFWL_PushButton::OnLButtonDown(CFWL_MessageMouse* pMsg) { + if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) + SetFocus(true); + + m_bBtnDown = true; + m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; + m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed; + Repaint(&m_rtClient); +} + +void CFWL_PushButton::OnLButtonUp(CFWL_MessageMouse* pMsg) { + m_bBtnDown = false; + if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { + 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_fx, pMsg->m_fy)) { + CFWL_Event wmClick(CFWL_Event::Type::Click, this); + DispatchEvent(&wmClick); + } + Repaint(&m_rtClient); +} + +void CFWL_PushButton::OnMouseMove(CFWL_MessageMouse* pMsg) { + bool bRepaint = false; + if (m_bBtnDown) { + if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { + 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_fx, pMsg->m_fy)) + return; + if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) { + m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered; + bRepaint = true; + } + } + if (bRepaint) + Repaint(&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; + Repaint(&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); +} |