blob: cc06f9cea86c21f9417664fe8ee49cf97636011d [file] [log] [blame]
// 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_checkbox.h"
#include <algorithm>
#include "xfa/fde/tto/fde_textout.h"
#include "xfa/fwl/core/cfwl_message.h"
#include "xfa/fwl/core/cfwl_themebackground.h"
#include "xfa/fwl/core/cfwl_themetext.h"
#include "xfa/fwl/core/cfwl_widgetmgr.h"
#include "xfa/fwl/core/fwl_noteimp.h"
#include "xfa/fwl/core/ifwl_checkbox.h"
#include "xfa/fwl/core/ifwl_themeprovider.h"
namespace {
const int kCaptionMargin = 5;
} // namespace
IFWL_CheckBox::IFWL_CheckBox(const CFWL_WidgetImpProperties& properties)
: IFWL_Widget(properties, nullptr),
m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
m_iTTOAlign(FDE_TTOALIGNMENT_Center),
m_bBtnDown(FALSE) {
m_rtClient.Reset();
m_rtBox.Reset();
m_rtCaption.Reset();
m_rtFocus.Reset();
}
IFWL_CheckBox::~IFWL_CheckBox() {}
FWL_Type IFWL_CheckBox::GetClassID() const {
return FWL_Type::CheckBox;
}
FWL_Error IFWL_CheckBox::Initialize() {
if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
return FWL_Error::Indefinite;
m_pDelegate = new CFWL_CheckBoxImpDelegate(this);
return FWL_Error::Succeeded;
}
void IFWL_CheckBox::Finalize() {
delete m_pDelegate;
m_pDelegate = nullptr;
IFWL_Widget::Finalize();
}
FWL_Error IFWL_CheckBox::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
if (bAutoSize) {
rect.Set(0, 0, 0, 0);
if (!m_pProperties->m_pThemeProvider)
m_pProperties->m_pThemeProvider = GetAvailableTheme();
if (!m_pProperties->m_pThemeProvider)
return FWL_Error::Indefinite;
if (!m_pProperties->m_pDataProvider)
return FWL_Error::Indefinite;
CFX_WideString wsCaption;
m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
if (wsCaption.GetLength() > 0) {
CFX_SizeF sz = CalcTextSize(
wsCaption, m_pProperties->m_pThemeProvider,
m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine);
rect.Set(0, 0, sz.x, sz.y);
}
rect.Inflate(kCaptionMargin, kCaptionMargin);
IFWL_CheckBoxDP* pData =
static_cast<IFWL_CheckBoxDP*>(m_pProperties->m_pDataProvider);
FX_FLOAT fCheckBox = pData->GetBoxSize(this);
rect.width += fCheckBox;
if (rect.height < fCheckBox) {
rect.height = fCheckBox;
}
IFWL_Widget::GetWidgetRect(rect, TRUE);
} else {
rect = m_pProperties->m_rtWidget;
}
return FWL_Error::Succeeded;
}
FWL_Error IFWL_CheckBox::Update() {
if (IsLocked()) {
return FWL_Error::Indefinite;
}
if (!m_pProperties->m_pThemeProvider) {
m_pProperties->m_pThemeProvider = GetAvailableTheme();
}
UpdateTextOutStyles();
Layout();
return FWL_Error::Succeeded;
}
FWL_Error IFWL_CheckBox::DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!pGraphics)
return FWL_Error::Indefinite;
if (!m_pProperties->m_pThemeProvider)
return FWL_Error::Indefinite;
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(&param);
param.m_iPart = CFWL_Part::CheckBox;
param.m_rtPart = m_rtBox;
pTheme->DrawBackground(&param);
}
if (!m_pProperties->m_pDataProvider)
return FWL_Error::Indefinite;
{
CFX_WideString wsCaption;
m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
int32_t iLen = wsCaption.GetLength();
if (iLen <= 0)
return FWL_Error::Indefinite;
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 = wsCaption;
textParam.m_dwTTOStyles = m_dwTTOStyles;
textParam.m_iTTOAlign = m_iTTOAlign;
pTheme->DrawText(&textParam);
}
return FWL_Error::Succeeded;
}
int32_t IFWL_CheckBox::GetCheckState() {
if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) &&
((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
FWL_STATE_CKB_Neutral)) {
return 2;
}
if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
FWL_STATE_CKB_Checked) {
return 1;
}
return 0;
}
FWL_Error IFWL_CheckBox::SetCheckState(int32_t iCheck) {
m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask;
switch (iCheck) {
case 0: {
break;
}
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: {}
}
Repaint(&m_rtClient);
return FWL_Error::Succeeded;
}
void IFWL_CheckBox::Layout() {
int32_t width = int32_t(m_pProperties->m_rtWidget.width + 0.5f);
int32_t height = int32_t(m_pProperties->m_rtWidget.height + 0.5f);
m_pProperties->m_rtWidget.width = (FX_FLOAT)width;
m_pProperties->m_rtWidget.height = (FX_FLOAT)height;
GetClientRect(m_rtClient);
FX_FLOAT fBoxTop = m_rtClient.top;
FX_FLOAT fBoxLeft = m_rtClient.left;
FX_FLOAT fTextLeft = 0.0, fTextRight = 0.0;
FX_FLOAT fClientRight = m_rtClient.right();
FX_FLOAT fClientBottom = m_rtClient.bottom();
if (!m_pProperties->m_pDataProvider)
return;
IFWL_CheckBoxDP* pData =
static_cast<IFWL_CheckBoxDP*>(m_pProperties->m_pDataProvider);
FX_FLOAT fCheckBox = pData->GetBoxSize(this);
switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) {
case FWL_STYLEEXT_CKB_Top: {
fBoxTop = m_rtClient.top;
break;
}
case FWL_STYLEEXT_CKB_Bottom: {
fBoxTop = fClientBottom - fCheckBox;
break;
}
case FWL_STYLEEXT_CKB_VCenter:
default: {
fBoxTop = m_rtClient.top + (m_rtClient.height - fCheckBox) / 2;
fBoxTop = FXSYS_floor(fBoxTop);
}
}
if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_LeftText) {
fBoxLeft = fClientRight - fCheckBox;
fTextLeft = m_rtClient.left;
fTextRight = fBoxLeft;
} else {
fTextLeft = fBoxLeft + fCheckBox;
fTextRight = fClientRight;
}
m_rtBox.Set(fBoxLeft, fBoxTop, fCheckBox, fCheckBox);
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);
CFX_WideString wsCaption;
m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
if (wsCaption.IsEmpty()) {
m_rtFocus.Set(0, 0, 0, 0);
} else {
CalcTextRect(wsCaption, 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 IFWL_CheckBox::GetPartStates() {
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 IFWL_CheckBox::UpdateTextOutStyles() {
m_iTTOAlign = FDE_TTOALIGNMENT_Center;
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_Center | FWL_STYLEEXT_CKB_VCenter: {
m_iTTOAlign = FDE_TTOALIGNMENT_Center;
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;
}
default: {}
}
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 IFWL_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 = CFWL_WidgetMgr::GetInstance();
if (!pWidgetMgr->IsFormDisabled()) {
CFX_ArrayTemplate<IFWL_Widget*> radioarr;
pWidgetMgr->GetSameGroupRadioButton(this, radioarr);
IFWL_CheckBox* pCheckBox = nullptr;
int32_t iCount = radioarr.GetSize();
for (int32_t i = 0; i < iCount; i++) {
pCheckBox = static_cast<IFWL_CheckBox*>(radioarr[i]);
if (pCheckBox != this &&
pCheckBox->GetStates() & FWL_STATE_CKB_Checked) {
pCheckBox->SetCheckState(0);
CFX_RectF rt;
pCheckBox->GetWidgetRect(rt);
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);
uint32_t dwLaststate = m_pProperties->m_dwStates;
if (dwFirststate != dwLaststate) {
CFWL_EvtCkbCheckStateChanged wmCheckBoxState;
wmCheckBoxState.m_pSrcTarget = this;
DispatchEvent(&wmCheckBoxState);
}
}
CFWL_CheckBoxImpDelegate::CFWL_CheckBoxImpDelegate(IFWL_CheckBox* pOwner)
: m_pOwner(pOwner) {}
void CFWL_CheckBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
if (!pMessage)
return;
switch (pMessage->GetClassID()) {
case CFWL_MessageType::Activate: {
OnActivate(pMessage);
break;
}
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_CheckBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
m_pOwner->DrawWidget(pGraphics, pMatrix);
}
void CFWL_CheckBoxImpDelegate::OnActivate(CFWL_Message* pMsg) {
m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
m_pOwner->Repaint(&(m_pOwner->m_rtClient));
}
void CFWL_CheckBoxImpDelegate::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_CheckBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
return;
}
if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
m_pOwner->SetFocus(TRUE);
}
m_pOwner->m_bBtnDown = TRUE;
m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed;
m_pOwner->Repaint(&(m_pOwner->m_rtClient));
}
void CFWL_CheckBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
if (!m_pOwner->m_bBtnDown) {
return;
}
m_pOwner->m_bBtnDown = FALSE;
if (!m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
return;
}
m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Pressed;
m_pOwner->NextStates();
}
void CFWL_CheckBoxImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
return;
}
FX_BOOL bRepaint = FALSE;
if (m_pOwner->m_bBtnDown) {
if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) == 0) {
bRepaint = TRUE;
m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed;
}
if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered)) {
bRepaint = TRUE;
m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
}
} else {
if (m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) {
bRepaint = TRUE;
m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Pressed;
}
if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) == 0) {
bRepaint = TRUE;
m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
}
}
} else {
if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) == 0) {
bRepaint = TRUE;
m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
}
}
}
if (bRepaint) {
m_pOwner->Repaint(&(m_pOwner->m_rtBox));
}
}
void CFWL_CheckBoxImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
if (m_pOwner->m_bBtnDown) {
m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
} else {
m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
}
m_pOwner->Repaint(&(m_pOwner->m_rtBox));
}
void CFWL_CheckBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
if (pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
m_pOwner->DispatchKeyEvent(pMsg);
return;
}
if (pMsg->m_dwKeyCode == FWL_VKEY_Return ||
pMsg->m_dwKeyCode == FWL_VKEY_Space) {
m_pOwner->NextStates();
}
}