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Diffstat (limited to 'xfa/fwl/core/ifwl_combobox.h')
| -rw-r--r-- | xfa/fwl/core/ifwl_combobox.h | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_combobox.h b/xfa/fwl/core/ifwl_combobox.h new file mode 100644 index 0000000000..106b7c0c08 --- /dev/null +++ b/xfa/fwl/core/ifwl_combobox.h @@ -0,0 +1,244 @@ +// 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_ComboBoxImpDelegate; +class CFWL_ComboEditImpDelegate; +class CFWL_ComboListImpDelegate; +class CFWL_ComboProxyImpDelegate; +class CFWL_ListBoxImpDelegate; +class CFWL_WidgetImpProperties; +class CFWL_WidgetImpDelegate; +class IFWL_ComboBox; +class IFWL_ComboEdit; +class IFWL_ComboList; +class IFWL_FormProxy; +class IFWL_ListBox; +class IFWL_Widget; + +#define FWL_CLASS_ComboBox L"FWL_COMBOBOX" +#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: + static IFWL_ComboBox* Create(const CFWL_WidgetImpProperties& properties); + + IFWL_ComboBox(const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter); + ~IFWL_ComboBox() override; + + // IFWL_Widget + FWL_Error GetClassName(CFX_WideString& wsClass) const override; + FWL_Type GetClassID() const override; + FWL_Error Initialize() override; + FWL_Error Finalize() 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; + + 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); + + protected: + friend class CFWL_ComboBoxImpDelegate; + friend class CFWL_ComboEditImpDelegate; + friend class CFWL_ComboListImpDelegate; + friend class CFWL_ComboProxyImpDelegate; + friend class IFWL_ComboEdit; + friend class IFWL_ComboList; + + void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix); + FX_FLOAT GetListHeight(); + void ShowDropList(FX_BOOL bActivate); + FX_BOOL IsDropListShowed(); + FX_BOOL IsDropDownStyle() const; + void MatchEditText(); + void SynchrEditText(int32_t iListItem); + void Layout(); + void ReSetTheme(); + void ReSetEditAlignment(); + void ReSetListItemAlignment(); + void ProcessSelChanged(FX_BOOL bLButtonUp); + void InitProxyForm(); + FWL_Error DisForm_Initialize(); + 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_FormProxy* m_pForm; + 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; + CFWL_ComboProxyImpDelegate* m_pListProxyDelegate; +}; + +class CFWL_ComboBoxImpDelegate : public CFWL_WidgetImpDelegate { + public: + CFWL_ComboBoxImpDelegate(IFWL_ComboBox* pOwner); + void OnProcessMessage(CFWL_Message* pMessage) override; + void OnProcessEvent(CFWL_Event* pEvent) override; + void OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix = nullptr) override; + + protected: + 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); + + IFWL_ComboBox* m_pOwner; + friend class CFWL_ComboEditImpDelegate; + friend class CFWL_ComboListImpDelegate; +}; + +class CFWL_ComboProxyImpDelegate : public CFWL_WidgetImpDelegate { + public: + CFWL_ComboProxyImpDelegate(IFWL_Form* pForm, IFWL_ComboBox* pComboBox); + void OnProcessMessage(CFWL_Message* pMessage) override; + void OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix = nullptr) override; + void Reset() { m_bLButtonUpSelf = FALSE; } + + protected: + void OnLButtonDown(CFWL_MsgMouse* pMsg); + void OnLButtonUp(CFWL_MsgMouse* pMsg); + void OnMouseMove(CFWL_MsgMouse* pMsg); + void OnDeactive(CFWL_MsgDeactivate* pMsg); + void OnFocusChanged(CFWL_MsgKillFocus* pMsg, FX_BOOL bSet); + FX_BOOL m_bLButtonDown; + FX_BOOL m_bLButtonUpSelf; + FX_FLOAT m_fStartPos; + IFWL_Form* m_pForm; + IFWL_ComboBox* m_pComboBox; +}; + +#endif // XFA_FWL_CORE_IFWL_COMBOBOX_H_ |