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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
#ifndef XFA_FWL_CORE_IFWL_COMBOBOX_H_
#define XFA_FWL_CORE_IFWL_COMBOBOX_H_
#include "xfa/fwl/core/ifwl_form.h"
#include "xfa/fwl/core/ifwl_listbox.h"
#include "xfa/fxgraphics/cfx_graphics.h"
class CFWL_WidgetImpProperties;
class IFWL_ComboBox;
class IFWL_ComboBoxProxy;
class IFWL_ComboEdit;
class IFWL_ComboList;
class IFWL_FormProxy;
class IFWL_ListBox;
class IFWL_Widget;
#define FWL_STYLEEXT_CMB_DropList (0L << 0)
#define FWL_STYLEEXT_CMB_DropDown (1L << 0)
#define FWL_STYLEEXT_CMB_Sort (1L << 1)
#define FWL_STYLEEXT_CMB_ListDrag (1L << 2)
#define FWL_STYLEEXT_CMB_OwnerDraw (1L << 3)
#define FWL_STYLEEXT_CMB_EditHNear (0L << 4)
#define FWL_STYLEEXT_CMB_EditHCenter (1L << 4)
#define FWL_STYLEEXT_CMB_EditHFar (2L << 4)
#define FWL_STYLEEXT_CMB_EditVNear (0L << 6)
#define FWL_STYLEEXT_CMB_EditVCenter (1L << 6)
#define FWL_STYLEEXT_CMB_EditVFar (2L << 6)
#define FWL_STYLEEXT_CMB_EditJustified (1L << 8)
#define FWL_STYLEEXT_CMB_EditDistributed (2L << 8)
#define FWL_STYLEEXT_CMB_EditHAlignMask (3L << 4)
#define FWL_STYLEEXT_CMB_EditVAlignMask (3L << 6)
#define FWL_STYLEEXT_CMB_EditHAlignModeMask (3L << 8)
#define FWL_STYLEEXT_CMB_ListItemLeftAlign (0L << 10)
#define FWL_STYLEEXT_CMB_ListItemCenterAlign (1L << 10)
#define FWL_STYLEEXT_CMB_ListItemRightAlign (2L << 10)
#define FWL_STYLEEXT_CMB_ListItemAlignMask (3L << 10)
#define FWL_STYLEEXT_CMB_ListItemText (0L << 12)
#define FWL_STYLEEXT_CMB_ListItemIconText (1L << 12)
#define FWL_STYLEEXT_CMB_ReadOnly (1L << 13)
FWL_EVENT_DEF(CFWL_EvtCmbPreDropDown, CFWL_EventType::PreDropDown)
FWL_EVENT_DEF(CFWL_EvtCmbPostDropDown, CFWL_EventType::PostDropDown)
FWL_EVENT_DEF(CFWL_EvtCmbCloseUp, CFWL_EventType::CloseUp)
FWL_EVENT_DEF(CFWL_EvtCmbEditChanged,
CFWL_EventType::EditChanged,
int32_t nChangeType;
CFX_WideString wsInsert;
CFX_WideString wsDelete;)
FWL_EVENT_DEF(CFWL_EvtCmbSelChanged,
CFWL_EventType::SelectChanged,
CFX_Int32Array iArraySels;
FX_BOOL bLButtonUp;)
FWL_EVENT_DEF(CFWL_EvtCmbHoverChanged,
CFWL_EventType::HoverChanged,
int32_t m_iCurHover;)
FWL_EVENT_DEF(CFWL_EvtCmbDrawItem,
CFWL_EventType::DrawItem,
CFX_Graphics* m_pGraphics;
CFX_Matrix m_matrix;
int32_t m_index;
CFX_RectF m_rtItem;)
class IFWL_ComboBoxDP : public IFWL_ListBoxDP {
public:
virtual FX_FLOAT GetListHeight(IFWL_Widget* pWidget) = 0;
};
class IFWL_ComboBox : public IFWL_Widget {
public:
explicit IFWL_ComboBox(const IFWL_App* app,
const CFWL_WidgetImpProperties& properties);
~IFWL_ComboBox() override;
// IFWL_Widget
FWL_Type GetClassID() const override;
FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
FWL_Error ModifyStylesEx(uint32_t dwStylesExAdded,
uint32_t dwStylesExRemoved) override;
void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) override;
FWL_Error Update() override;
FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
FWL_Error DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = nullptr) override;
FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) override;
int32_t GetCurSel();
FWL_Error SetCurSel(int32_t iSel);
FWL_Error SetEditText(const CFX_WideString& wsText);
int32_t GetEditTextLength() const;
FWL_Error GetEditText(CFX_WideString& wsText,
int32_t nStart = 0,
int32_t nCount = -1) const;
FWL_Error SetEditSelRange(int32_t nStart, int32_t nCount = -1);
int32_t GetEditSelRange(int32_t nIndex, int32_t& nStart);
int32_t GetEditLimit();
FWL_Error SetEditLimit(int32_t nLimit);
FWL_Error EditDoClipboard(int32_t iCmd);
FX_BOOL EditRedo(const IFDE_TxtEdtDoRecord* pRecord);
FX_BOOL EditUndo(const IFDE_TxtEdtDoRecord* pRecord);
IFWL_ListBox* GetListBoxt();
FX_BOOL AfterFocusShowDropList();
FWL_Error OpenDropDownList(FX_BOOL bActivate);
FX_BOOL EditCanUndo();
FX_BOOL EditCanRedo();
FX_BOOL EditUndo();
FX_BOOL EditRedo();
FX_BOOL EditCanCopy();
FX_BOOL EditCanCut();
FX_BOOL EditCanSelectAll();
FX_BOOL EditCopy(CFX_WideString& wsCopy);
FX_BOOL EditCut(CFX_WideString& wsCut);
FX_BOOL EditPaste(const CFX_WideString& wsPaste);
FX_BOOL EditSelectAll();
FX_BOOL EditDelete();
FX_BOOL EditDeSelect();
FWL_Error GetBBox(CFX_RectF& rect);
FWL_Error EditModifyStylesEx(uint32_t dwStylesExAdded,
uint32_t dwStylesExRemoved);
void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix);
FX_BOOL IsDropListShowed();
void ShowDropList(FX_BOOL bActivate);
IFWL_ComboEdit* GetComboEdit() const { return m_pEdit.get(); }
void ProcessSelChanged(FX_BOOL bLButtonUp);
int32_t GetCurrentSelection() const { return m_iCurSel; }
protected:
FX_FLOAT GetListHeight();
FX_BOOL IsDropDownStyle() const;
void MatchEditText();
void SynchrEditText(int32_t iListItem);
void Layout();
void ReSetTheme();
void ReSetEditAlignment();
void ReSetListItemAlignment();
void InitProxyForm();
void DisForm_InitComboList();
void DisForm_InitComboEdit();
void DisForm_ShowDropList(FX_BOOL bActivate);
FX_BOOL DisForm_IsDropListShowed();
FWL_Error DisForm_ModifyStylesEx(uint32_t dwStylesExAdded,
uint32_t dwStylesExRemoved);
FWL_Error DisForm_Update();
FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
FWL_Error DisForm_DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = nullptr);
FWL_Error DisForm_GetBBox(CFX_RectF& rect);
void DisForm_Layout();
CFX_RectF m_rtClient;
CFX_RectF m_rtContent;
CFX_RectF m_rtBtn;
CFX_RectF m_rtList;
CFX_RectF m_rtProxy;
CFX_RectF m_rtHandler;
std::unique_ptr<IFWL_ComboEdit> m_pEdit;
std::unique_ptr<IFWL_ComboList> m_pListBox;
IFWL_ComboBoxProxy* m_pComboBoxProxy;
FX_BOOL m_bLButtonDown;
FX_BOOL m_bUpFormHandler;
int32_t m_iCurSel;
int32_t m_iBtnState;
FX_FLOAT m_fComboFormHandler;
FX_FLOAT m_fItemHeight;
FX_BOOL m_bNeedShowList;
private:
void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
void OnLButtonDown(CFWL_MsgMouse* pMsg);
void OnLButtonUp(CFWL_MsgMouse* pMsg);
void OnMouseMove(CFWL_MsgMouse* pMsg);
void OnMouseLeave(CFWL_MsgMouse* pMsg);
void OnKey(CFWL_MsgKey* pMsg);
void DoSubCtrlKey(CFWL_MsgKey* pMsg);
void DisForm_OnProcessMessage(CFWL_Message* pMessage);
void DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg);
void DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
void DisForm_OnKey(CFWL_MsgKey* pMsg);
};
#endif // XFA_FWL_CORE_IFWL_COMBOBOX_H_
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