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// 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 "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/fwl_widgetdef.h"
#include "xfa/fwl/ifwl_themeprovider.h"
CFWL_PushButton::CFWL_PushButton(CFWL_App* app)
: CFWL_Widget(app, Properties(), nullptr) {}
CFWL_PushButton::~CFWL_PushButton() = default;
FWL_Type CFWL_PushButton::GetClassID() const {
return FWL_Type::PushButton;
}
void CFWL_PushButton::SetStates(uint32_t dwStates) {
if (dwStates & FWL_STATE_WGT_Disabled) {
m_Properties.m_dwStates = FWL_STATE_WGT_Disabled;
return;
}
CFWL_Widget::SetStates(dwStates);
}
void CFWL_PushButton::Update() {
if (IsLocked())
return;
m_ClientRect = GetClientRect();
m_CaptionRect = m_ClientRect;
}
void CFWL_PushButton::DrawWidget(CFGAS_GEGraphics* pGraphics,
const CFX_Matrix& matrix) {
if (!pGraphics)
return;
if (HasBorder())
DrawBorder(pGraphics, CFWL_ThemePart::Part::kBorder, matrix);
DrawBkground(pGraphics, matrix);
}
void CFWL_PushButton::DrawBkground(CFGAS_GEGraphics* pGraphics,
const CFX_Matrix& matrix) {
CFWL_ThemeBackground param(this, pGraphics);
param.m_iPart = CFWL_ThemePart::Part::kBackground;
param.m_dwStates = GetPartStates();
param.m_matrix = matrix;
param.m_PartRect = m_ClientRect;
if (m_Properties.m_dwStates & FWL_STATE_WGT_Focused)
param.m_pRtData = &m_CaptionRect;
GetThemeProvider()->DrawBackground(param);
}
Mask<CFWL_PartState> CFWL_PushButton::GetPartStates() {
Mask<CFWL_PartState> dwStates = CFWL_PartState::kNormal;
if (m_Properties.m_dwStates & FWL_STATE_WGT_Focused)
dwStates |= CFWL_PartState::kFocused;
if (m_Properties.m_dwStates & FWL_STATE_WGT_Disabled)
dwStates = CFWL_PartState::kDisabled;
else if (m_Properties.m_dwStates & FWL_STATE_PSB_Pressed)
dwStates |= CFWL_PartState::kPressed;
else if (m_Properties.m_dwStates & FWL_STATE_PSB_Hovered)
dwStates |= CFWL_PartState::kHovered;
return dwStates;
}
void CFWL_PushButton::OnProcessMessage(CFWL_Message* pMessage) {
if (!IsEnabled())
return;
switch (pMessage->GetType()) {
case CFWL_Message::Type::kSetFocus:
OnFocusGained();
break;
case CFWL_Message::Type::kKillFocus:
OnFocusLost();
break;
case CFWL_Message::Type::kMouse: {
CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage);
switch (pMsg->m_dwCmd) {
case CFWL_MessageMouse::MouseCommand::kLeftButtonDown:
OnLButtonDown(pMsg);
break;
case CFWL_MessageMouse::MouseCommand::kLeftButtonUp:
OnLButtonUp(pMsg);
break;
case CFWL_MessageMouse::MouseCommand::kMove:
OnMouseMove(pMsg);
break;
case CFWL_MessageMouse::MouseCommand::kLeave:
OnMouseLeave(pMsg);
break;
default:
break;
}
break;
}
case CFWL_Message::Type::kKey: {
CFWL_MessageKey* pKey = static_cast<CFWL_MessageKey*>(pMessage);
if (pKey->m_dwCmd == CFWL_MessageKey::KeyCommand::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_PushButton::OnDrawWidget(CFGAS_GEGraphics* pGraphics,
const CFX_Matrix& matrix) {
DrawWidget(pGraphics, matrix);
}
void CFWL_PushButton::OnFocusGained() {
m_Properties.m_dwStates |= FWL_STATE_WGT_Focused;
RepaintRect(m_ClientRect);
}
void CFWL_PushButton::OnFocusLost() {
m_Properties.m_dwStates &= ~FWL_STATE_WGT_Focused;
RepaintRect(m_ClientRect);
}
void CFWL_PushButton::OnLButtonDown(CFWL_MessageMouse* pMsg) {
m_bBtnDown = true;
m_Properties.m_dwStates |= FWL_STATE_PSB_Hovered;
m_Properties.m_dwStates |= FWL_STATE_PSB_Pressed;
RepaintRect(m_ClientRect);
}
void CFWL_PushButton::OnLButtonUp(CFWL_MessageMouse* pMsg) {
m_bBtnDown = false;
if (m_ClientRect.Contains(pMsg->m_pos)) {
m_Properties.m_dwStates &= ~FWL_STATE_PSB_Pressed;
m_Properties.m_dwStates |= FWL_STATE_PSB_Hovered;
} else {
m_Properties.m_dwStates &= ~FWL_STATE_PSB_Hovered;
m_Properties.m_dwStates &= ~FWL_STATE_PSB_Pressed;
}
if (m_ClientRect.Contains(pMsg->m_pos)) {
CFWL_Event wmClick(CFWL_Event::Type::Click, this);
DispatchEvent(&wmClick);
}
RepaintRect(m_ClientRect);
}
void CFWL_PushButton::OnMouseMove(CFWL_MessageMouse* pMsg) {
bool bRepaint = false;
if (m_bBtnDown) {
if (m_ClientRect.Contains(pMsg->m_pos)) {
if ((m_Properties.m_dwStates & FWL_STATE_PSB_Pressed) == 0) {
m_Properties.m_dwStates |= FWL_STATE_PSB_Pressed;
bRepaint = true;
}
if (m_Properties.m_dwStates & FWL_STATE_PSB_Hovered) {
m_Properties.m_dwStates &= ~FWL_STATE_PSB_Hovered;
bRepaint = true;
}
} else {
if (m_Properties.m_dwStates & FWL_STATE_PSB_Pressed) {
m_Properties.m_dwStates &= ~FWL_STATE_PSB_Pressed;
bRepaint = true;
}
if ((m_Properties.m_dwStates & FWL_STATE_PSB_Hovered) == 0) {
m_Properties.m_dwStates |= FWL_STATE_PSB_Hovered;
bRepaint = true;
}
}
} else {
if (!m_ClientRect.Contains(pMsg->m_pos))
return;
if ((m_Properties.m_dwStates & FWL_STATE_PSB_Hovered) == 0) {
m_Properties.m_dwStates |= FWL_STATE_PSB_Hovered;
bRepaint = true;
}
}
if (bRepaint)
RepaintRect(m_ClientRect);
}
void CFWL_PushButton::OnMouseLeave(CFWL_MessageMouse* pMsg) {
m_bBtnDown = false;
m_Properties.m_dwStates &= ~FWL_STATE_PSB_Hovered;
m_Properties.m_dwStates &= ~FWL_STATE_PSB_Pressed;
RepaintRect(m_ClientRect);
}
void CFWL_PushButton::OnKeyDown(CFWL_MessageKey* pMsg) {
if (pMsg->m_dwKeyCodeOrChar != XFA_FWL_VKEY_Return)
return;
CFWL_EventMouse wmMouse(this, nullptr,
CFWL_MessageMouse::MouseCommand::kLeftButtonUp);
DispatchEvent(&wmMouse);
if (!wmMouse.GetSrcTarget())
return;
CFWL_Event wmClick(CFWL_Event::Type::Click, this);
DispatchEvent(&wmClick);
}