blob: 695d373bf3191eccdcc669aa04bf0b86e5e723cc [file] [log] [blame]
// 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.
#include "xfa/fgas/graphics/cfgas_gegraphics.h"
#include "xfa/fwl/cfwl_comboedit.h"
#include "xfa/fwl/cfwl_combolist.h"
#include "xfa/fwl/cfwl_listbox.h"
#include "xfa/fwl/cfwl_widget.h"
#define FWL_STYLEEXT_CMB_DropDown (1L << 0)
#define FWL_STYLEEXT_CMB_Sort (1L << 1)
#define FWL_STYLEEXT_CMB_OwnerDraw (1L << 3)
#define FWL_STYLEEXT_CMB_EditHNear 0
#define FWL_STYLEEXT_CMB_EditHCenter (1L << 4)
#define FWL_STYLEEXT_CMB_EditVNear 0
#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_EditHAlignMask (3L << 4)
#define FWL_STYLEEXT_CMB_EditVAlignMask (3L << 6)
#define FWL_STYLEEXT_CMB_ListItemLeftAlign 0
#define FWL_STYLEEXT_CMB_ListItemCenterAlign (1L << 10)
#define FWL_STYLEEXT_CMB_ListItemAlignMask (3L << 10)
#define FWL_STYLEEXT_CMB_ReadOnly (1L << 13)
class CFWL_ComboBox final : public CFWL_Widget {
~CFWL_ComboBox() override;
// CFWL_Widget
void Trace(cppgc::Visitor* visitor) const override;
FWL_Type GetClassID() const override;
void ModifyStyleExts(uint32_t dwStyleExtsAdded,
uint32_t dwStyleExtsRemoved) override;
void SetStates(uint32_t dwStates) override;
void RemoveStates(uint32_t dwStates) override;
void Update() override;
FWL_WidgetHit HitTest(const CFX_PointF& point) override;
void DrawWidget(CFGAS_GEGraphics* pGraphics,
const CFX_Matrix& matrix) override;
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CFGAS_GEGraphics* pGraphics,
const CFX_Matrix& matrix) override;
WideString GetTextByIndex(int32_t iIndex) const;
int32_t GetCurSel() const { return m_iCurSel; }
void SetCurSel(int32_t iSel);
void AddString(const WideString& wsText);
void RemoveAt(int32_t iIndex);
void RemoveAll();
void SetEditText(const WideString& wsText);
WideString GetEditText() const;
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->HasSelection(); }
bool EditCanCut() const {
if (m_pEdit->GetStyleExts() & FWL_STYLEEXT_EDT_ReadOnly)
return false;
return EditCanCopy();
bool EditCanSelectAll() const { return m_pEdit->GetTextLength() > 0; }
absl::optional<WideString> EditCopy() const { return m_pEdit->Copy(); }
absl::optional<WideString> EditCut() { return m_pEdit->Cut(); }
bool EditPaste(const WideString& wsPaste) { return m_pEdit->Paste(wsPaste); }
void EditSelectAll() { m_pEdit->SelectAll(); }
void EditDelete() { m_pEdit->ClearText(); }
void EditDeSelect() { m_pEdit->ClearSelection(); }
CFX_RectF GetBBox() const;
void EditModifyStyleExts(uint32_t dwStyleExtsAdded,
uint32_t dwStyleExtsRemoved);
void ShowDropDownList();
void HideDropDownList();
CFWL_ComboEdit* GetComboEdit() const { return m_pEdit; }
void ProcessSelChanged(bool bLButtonUp);
int32_t GetCurrentSelection() const { return m_iCurSel; }
explicit CFWL_ComboBox(CFWL_App* pApp);
bool IsDropDownStyle() const {
return !!(GetStyleExts() & FWL_STYLEEXT_CMB_DropDown);
void MatchEditText();
void SyncEditText(int32_t iListItem);
void Layout();
void ResetEditAlignment();
void ResetListItemAlignment();
void GetPopupPos(float fMinHeight,
float fMaxHeight,
const CFX_RectF& rtAnchor,
CFX_RectF* pPopupRect);
void OnLButtonUp(CFWL_MessageMouse* pMsg);
bool IsDropListVisible() const { return m_pListBox->IsVisible(); }
void OnLButtonDown(CFWL_MessageMouse* pMsg);
void OnFocusGained();
void OnFocusLost();
void OnKey(CFWL_MessageKey* pMsg);
void RepaintInflatedListBoxRect();
CFX_RectF m_ClientRect;
CFX_RectF m_ContentRect;
CFX_RectF m_BtnRect;
cppgc::Member<CFWL_ComboEdit> const m_pEdit;
cppgc::Member<CFWL_ComboList> const m_pListBox;
int32_t m_iCurSel = -1;
Mask<CFWL_PartState> m_iBtnState = CFWL_PartState::kNormal;