1 files changed, 381 insertions, 0 deletions
diff --git a/xfa/fwl/core/cfwl_spinbutton.cpp b/xfa/fwl/core/cfwl_spinbutton.cpp
new file mode 100644
index 0000000000..2afbc8297c
--- /dev/null
+++ b/xfa/fwl/core/cfwl_spinbutton.cpp
@@ -0,0 +1,381 @@
+// 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/cfwl_spinbutton.h"
+
+#include <memory>
+#include <utility>
+
+#include "third_party/base/ptr_util.h"
+#include "xfa/fwl/core/cfwl_evtclick.h"
+#include "xfa/fwl/core/cfwl_msgkey.h"
+#include "xfa/fwl/core/cfwl_msgmouse.h"
+#include "xfa/fwl/core/cfwl_notedriver.h"
+#include "xfa/fwl/core/cfwl_themebackground.h"
+#include "xfa/fwl/core/cfwl_timerinfo.h"
+#include "xfa/fwl/core/cfwl_widgetproperties.h"
+#include "xfa/fwl/core/ifwl_themeprovider.h"
+
+namespace {
+
+const int kMinWidth = 18;
+const int kMinHeight = 32;
+const int kElapseTime = 200;
+
+}  // namespace
+
+CFWL_SpinButton::CFWL_SpinButton(
+    const CFWL_App* app,
+    std::unique_ptr<CFWL_WidgetProperties> properties)
+    : IFWL_Widget(app, std::move(properties), nullptr),
+      m_dwUpState(CFWL_PartState_Normal),
+      m_dwDnState(CFWL_PartState_Normal),
+      m_iButtonIndex(0),
+      m_bLButtonDwn(false),
+      m_pTimerInfo(nullptr),
+      m_Timer(this) {
+  m_rtClient.Reset();
+  m_rtUpButton.Reset();
+  m_rtDnButton.Reset();
+  m_pProperties->m_dwStyleExes |= FWL_STYLEEXE_SPB_Vert;
+}
+
+CFWL_SpinButton::~CFWL_SpinButton() {}
+
+FWL_Type CFWL_SpinButton::GetClassID() const {
+  return FWL_Type::SpinButton;
+}
+
+void CFWL_SpinButton::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) {
+  if (!bAutoSize) {
+    rect = m_pProperties->m_rtWidget;
+    return;
+  }
+
+  rect.Set(0, 0, kMinWidth, kMinHeight);
+  IFWL_Widget::GetWidgetRect(rect, true);
+}
+
+void CFWL_SpinButton::Update() {
+  if (IsLocked())
+    return;
+
+  GetClientRect(m_rtClient);
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXE_SPB_Vert) {
+    m_rtUpButton.Set(m_rtClient.top, m_rtClient.left, m_rtClient.width,
+                     m_rtClient.height / 2);
+    m_rtDnButton.Set(m_rtClient.left, m_rtClient.top + m_rtClient.height / 2,
+                     m_rtClient.width, m_rtClient.height / 2);
+  } else {
+    m_rtUpButton.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width / 2,
+                     m_rtClient.height);
+    m_rtDnButton.Set(m_rtClient.left + m_rtClient.width / 2, m_rtClient.top,
+                     m_rtClient.width / 2, m_rtClient.height);
+  }
+}
+
+FWL_WidgetHit CFWL_SpinButton::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_rtClient.Contains(fx, fy))
+    return FWL_WidgetHit::Client;
+  if (HasBorder() && (m_rtClient.Contains(fx, fy)))
+    return FWL_WidgetHit::Border;
+  if (HasEdge()) {
+    CFX_RectF rtEdge;
+    GetEdgeRect(rtEdge);
+    if (rtEdge.Contains(fx, fy))
+      return FWL_WidgetHit::Left;
+  }
+  if (m_rtUpButton.Contains(fx, fy))
+    return FWL_WidgetHit::UpButton;
+  if (m_rtDnButton.Contains(fx, fy))
+    return FWL_WidgetHit::DownButton;
+  return FWL_WidgetHit::Unknown;
+}
+
+void CFWL_SpinButton::DrawWidget(CFX_Graphics* pGraphics,
+                                 const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+
+  CFX_RectF rtClip(m_rtClient);
+  if (pMatrix)
+    pMatrix->TransformRect(rtClip);
+
+  IFWL_ThemeProvider* pTheme = GetAvailableTheme();
+  if (HasBorder())
+    DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
+  if (HasEdge())
+    DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
+
+  DrawUpButton(pGraphics, pTheme, pMatrix);
+  DrawDownButton(pGraphics, pTheme, pMatrix);
+}
+
+void CFWL_SpinButton::EnableButton(bool bEnable, bool bUp) {
+  if (bUp)
+    m_dwUpState = bEnable ? CFWL_PartState_Normal : CFWL_PartState_Disabled;
+  else
+    m_dwDnState = bEnable ? CFWL_PartState_Normal : CFWL_PartState_Disabled;
+}
+
+bool CFWL_SpinButton::IsButtonEnabled(bool bUp) {
+  if (bUp)
+    return (m_dwUpState != CFWL_PartState_Disabled);
+  return (m_dwDnState != CFWL_PartState_Disabled);
+}
+
+void CFWL_SpinButton::DrawUpButton(CFX_Graphics* pGraphics,
+                                   IFWL_ThemeProvider* pTheme,
+                                   const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = this;
+  params.m_iPart = CFWL_Part::UpButton;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_dwUpState + 1;
+  if (pMatrix)
+    params.m_matrix.Concat(*pMatrix);
+
+  params.m_rtPart = m_rtUpButton;
+  pTheme->DrawBackground(&params);
+}
+
+void CFWL_SpinButton::DrawDownButton(CFX_Graphics* pGraphics,
+                                     IFWL_ThemeProvider* pTheme,
+                                     const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = this;
+  params.m_iPart = CFWL_Part::DownButton;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_dwDnState + 1;
+  if (pMatrix)
+    params.m_matrix.Concat(*pMatrix);
+
+  params.m_rtPart = m_rtDnButton;
+  pTheme->DrawBackground(&params);
+}
+
+void CFWL_SpinButton::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return;
+
+  CFWL_MessageType dwMsgCode = pMessage->GetClassID();
+  switch (dwMsgCode) {
+    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;
+  }
+  IFWL_Widget::OnProcessMessage(pMessage);
+}
+
+void CFWL_SpinButton::OnDrawWidget(CFX_Graphics* pGraphics,
+                                   const CFX_Matrix* pMatrix) {
+  DrawWidget(pGraphics, pMatrix);
+}
+
+void CFWL_SpinButton::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_SpinButton::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  m_bLButtonDwn = true;
+  SetGrab(true);
+  SetFocus(true);
+
+  bool bUpPress =
+      (m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy) && IsButtonEnabled(true));
+  bool bDnPress =
+      (m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy) && IsButtonEnabled(false));
+  if (!bUpPress && !bDnPress)
+    return;
+  if (bUpPress) {
+    m_iButtonIndex = 0;
+    m_dwUpState = CFWL_PartState_Pressed;
+  }
+  if (bDnPress) {
+    m_iButtonIndex = 1;
+    m_dwDnState = CFWL_PartState_Pressed;
+  }
+
+  CFWL_EvtClick wmPosChanged;
+  wmPosChanged.m_pSrcTarget = this;
+  DispatchEvent(&wmPosChanged);
+
+  Repaint(bUpPress ? &m_rtUpButton : &m_rtDnButton);
+  m_pTimerInfo = m_Timer.StartTimer(kElapseTime, true);
+}
+
+void CFWL_SpinButton::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  if (m_pProperties->m_dwStates & CFWL_PartState_Disabled)
+    return;
+
+  m_bLButtonDwn = false;
+  SetGrab(false);
+  SetFocus(false);
+  if (m_pTimerInfo) {
+    m_pTimerInfo->StopTimer();
+    m_pTimerInfo = nullptr;
+  }
+  bool bRepaint = false;
+  CFX_RectF rtInvalidate;
+  if (m_dwUpState == CFWL_PartState_Pressed && IsButtonEnabled(true)) {
+    m_dwUpState = CFWL_PartState_Normal;
+    bRepaint = true;
+    rtInvalidate = m_rtUpButton;
+  } else if (m_dwDnState == CFWL_PartState_Pressed && IsButtonEnabled(false)) {
+    m_dwDnState = CFWL_PartState_Normal;
+    bRepaint = true;
+    rtInvalidate = m_rtDnButton;
+  }
+  if (bRepaint)
+    Repaint(&rtInvalidate);
+}
+
+void CFWL_SpinButton::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (m_bLButtonDwn)
+    return;
+
+  bool bRepaint = false;
+  CFX_RectF rtInvlidate;
+  rtInvlidate.Reset();
+  if (m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if (IsButtonEnabled(true)) {
+      if (m_dwUpState == CFWL_PartState_Hovered) {
+        m_dwUpState = CFWL_PartState_Hovered;
+        bRepaint = true;
+        rtInvlidate = m_rtUpButton;
+      }
+      if (m_dwDnState != CFWL_PartState_Normal && IsButtonEnabled(false)) {
+        m_dwDnState = CFWL_PartState_Normal;
+        if (bRepaint)
+          rtInvlidate.Union(m_rtDnButton);
+        else
+          rtInvlidate = m_rtDnButton;
+
+        bRepaint = true;
+      }
+    }
+    if (!IsButtonEnabled(false))
+      EnableButton(false, false);
+
+  } else if (m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if (IsButtonEnabled(false)) {
+      if (m_dwDnState != CFWL_PartState_Hovered) {
+        m_dwDnState = CFWL_PartState_Hovered;
+        bRepaint = true;
+        rtInvlidate = m_rtDnButton;
+      }
+      if (m_dwUpState != CFWL_PartState_Normal && IsButtonEnabled(true)) {
+        m_dwUpState = CFWL_PartState_Normal;
+        if (bRepaint)
+          rtInvlidate.Union(m_rtUpButton);
+        else
+          rtInvlidate = m_rtUpButton;
+        bRepaint = true;
+      }
+    }
+  } else if (m_dwUpState != CFWL_PartState_Normal ||
+             m_dwDnState != CFWL_PartState_Normal) {
+    if (m_dwUpState != CFWL_PartState_Normal) {
+      m_dwUpState = CFWL_PartState_Normal;
+      bRepaint = true;
+      rtInvlidate = m_rtUpButton;
+    }
+    if (m_dwDnState != CFWL_PartState_Normal) {
+      m_dwDnState = CFWL_PartState_Normal;
+      if (bRepaint)
+        rtInvlidate.Union(m_rtDnButton);
+      else
+        rtInvlidate = m_rtDnButton;
+
+      bRepaint = true;
+    }
+  }
+  if (bRepaint)
+    Repaint(&rtInvlidate);
+}
+
+void CFWL_SpinButton::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  if (m_dwUpState != CFWL_PartState_Normal && IsButtonEnabled(true))
+    m_dwUpState = CFWL_PartState_Normal;
+  if (m_dwDnState != CFWL_PartState_Normal && IsButtonEnabled(false))
+    m_dwDnState = CFWL_PartState_Normal;
+
+  Repaint(&m_rtClient);
+}
+
+void CFWL_SpinButton::OnKeyDown(CFWL_MsgKey* pMsg) {
+  bool bUp =
+      pMsg->m_dwKeyCode == FWL_VKEY_Up || pMsg->m_dwKeyCode == FWL_VKEY_Left;
+  bool bDown =
+      pMsg->m_dwKeyCode == FWL_VKEY_Down || pMsg->m_dwKeyCode == FWL_VKEY_Right;
+  if (!bUp && !bDown)
+    return;
+
+  bool bUpEnable = IsButtonEnabled(true);
+  bool bDownEnable = IsButtonEnabled(false);
+  if (!bUpEnable && !bDownEnable)
+    return;
+
+  CFWL_EvtClick wmPosChanged;
+  wmPosChanged.m_pSrcTarget = this;
+  DispatchEvent(&wmPosChanged);
+
+  Repaint(bUpEnable ? &m_rtUpButton : &m_rtDnButton);
+}
+
+CFWL_SpinButton::Timer::Timer(CFWL_SpinButton* pToolTip)
+    : CFWL_Timer(pToolTip) {}
+
+void CFWL_SpinButton::Timer::Run(CFWL_TimerInfo* pTimerInfo) {
+  CFWL_SpinButton* pButton = static_cast<CFWL_SpinButton*>(m_pWidget);
+
+  if (!pButton->m_pTimerInfo)
+    return;
+
+  CFWL_EvtClick wmPosChanged;
+  wmPosChanged.m_pSrcTarget = pButton;
+  pButton->DispatchEvent(&wmPosChanged);
+}