// 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_comboboxproxy.h" #include "xfa/fwl/core/ifwl_comboedit.h" #include "xfa/fwl/core/ifwl_combolist.h" #include "xfa/fwl/core/ifwl_form.h" #include "xfa/fwl/core/ifwl_listbox.h" #include "xfa/fxgraphics/cfx_graphics.h" class CFWL_WidgetProperties; class IFWL_ComboBox; class IFWL_ComboBoxProxy; 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_EvtCmbEditChanged, CFWL_EventType::EditChanged, int32_t nChangeType; CFX_WideString wsInsert; CFX_WideString wsDelete;) FWL_EVENT_DEF(CFWL_EvtCmbSelChanged, CFWL_EventType::SelectChanged, CFX_Int32Array iArraySels; bool bLButtonUp;) 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, std::unique_ptr<CFWL_WidgetProperties> properties); ~IFWL_ComboBox() override; // IFWL_Widget FWL_Type GetClassID() const override; void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override; void ModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved) override; void SetStates(uint32_t dwStates, bool bSet = true) override; void Update() override; FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override; void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = nullptr) override; void 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() const { return m_iCurSel; } void SetCurSel(int32_t iSel); void SetEditText(const CFX_WideString& wsText); void GetEditText(CFX_WideString& wsText, int32_t nStart = 0, int32_t nCount = -1) const; void OpenDropDownList(bool bActivate); bool EditCanUndo() const { return m_pEdit->CanUndo(); } bool EditCanRedo() const { return m_pEdit->CanRedo(); } bool EditUndo() { return m_pEdit->Undo(); } bool EditRedo() { return m_pEdit->Redo(); } bool EditCanCopy() const { return m_pEdit->CountSelRanges() > 0; } bool EditCanCut() const { if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) return false; return EditCanCopy(); } bool EditCanSelectAll() const { return m_pEdit->GetTextLength() > 0; } bool EditCopy(CFX_WideString& wsCopy) const { return m_pEdit->Copy(wsCopy); } bool EditCut(CFX_WideString& wsCut) { return m_pEdit->Cut(wsCut); } bool EditPaste(const CFX_WideString& wsPaste) { return m_pEdit->Paste(wsPaste); } void EditSelectAll() { m_pEdit->AddSelRange(0); } void EditDelete() { m_pEdit->ClearText(); } void EditDeSelect() { m_pEdit->ClearSelections(); } void GetBBox(CFX_RectF& rect) const; void EditModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved); void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix); bool IsDropListVisible() const { return m_pComboBoxProxy && !(m_pComboBoxProxy->GetStates() & FWL_WGTSTATE_Invisible); } void ShowDropList(bool bActivate); IFWL_ComboEdit* GetComboEdit() const { return m_pEdit.get(); } void ProcessSelChanged(bool bLButtonUp); int32_t GetCurrentSelection() const { return m_iCurSel; } private: FX_FLOAT GetListHeight(); bool IsDropDownStyle() const { return !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown); } void MatchEditText(); void SyncEditText(int32_t iListItem); void Layout(); void ResetTheme(); void ResetEditAlignment(); void ResetListItemAlignment(); void InitProxyForm(); void DisForm_InitComboList(); void DisForm_InitComboEdit(); void DisForm_ShowDropList(bool bActivate); bool DisForm_IsDropListVisible() const { return !(m_pListBox->GetStates() & FWL_WGTSTATE_Invisible); } void DisForm_ModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved); void DisForm_Update(); FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy); void DisForm_DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = nullptr); void DisForm_GetBBox(CFX_RectF& rect) const; void DisForm_Layout(); void OnFocusChanged(CFWL_Message* pMsg, 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, bool bSet = true); void DisForm_OnKey(CFWL_MsgKey* pMsg); 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; // Can this be a unique_ptr? bool m_bLButtonDown; bool m_bUpFormHandler; int32_t m_iCurSel; int32_t m_iBtnState; FX_FLOAT m_fComboFormHandler; FX_FLOAT m_fItemHeight; }; #endif // XFA_FWL_CORE_IFWL_COMBOBOX_H_