298 lines
9.4 KiB
C
298 lines
9.4 KiB
C
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// Copyright 2014 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef FPDFSDK_PWL_CPWL_WND_H_
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#define FPDFSDK_PWL_CPWL_WND_H_
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#include <memory>
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#include <vector>
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#include "core/fxcrt/cfx_timer.h"
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#include "core/fxcrt/mask.h"
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#include "core/fxcrt/observed_ptr.h"
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#include "core/fxcrt/unowned_ptr.h"
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#include "core/fxcrt/widestring.h"
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#include "core/fxge/cfx_color.h"
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#include "core/fxge/cfx_renderdevice.h"
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#include "fpdfsdk/pwl/ipwl_fillernotify.h"
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#include "public/fpdf_fwlevent.h"
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class CPWL_Edit;
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class CPWL_MsgControl;
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class CPWL_ScrollBar;
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class IPVT_FontMap;
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struct PWL_SCROLL_INFO;
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// window styles
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#define PWS_BORDER 0x40000000L
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#define PWS_BACKGROUND 0x20000000L
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#define PWS_VSCROLL 0x08000000L
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#define PWS_VISIBLE 0x04000000L
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#define PWS_READONLY 0x01000000L
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#define PWS_AUTOFONTSIZE 0x00800000L
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#define PWS_AUTOTRANSPARENT 0x00400000L
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#define PWS_NOREFRESHCLIP 0x00200000L
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// edit and label styles
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#define PES_MULTILINE 0x0001L
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#define PES_PASSWORD 0x0002L
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#define PES_LEFT 0x0004L
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#define PES_RIGHT 0x0008L
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#define PES_MIDDLE 0x0010L
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#define PES_TOP 0x0020L
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#define PES_CENTER 0x0080L
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#define PES_CHARARRAY 0x0100L
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#define PES_AUTOSCROLL 0x0200L
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#define PES_AUTORETURN 0x0400L
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#define PES_UNDO 0x0800L
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#define PES_RICH 0x1000L
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#define PES_TEXTOVERFLOW 0x4000L
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// listbox styles
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#define PLBS_MULTIPLESEL 0x0001L
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#define PLBS_HOVERSEL 0x0008L
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// combobox styles
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#define PCBS_ALLOWCUSTOMTEXT 0x0001L
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struct CPWL_Dash {
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CPWL_Dash() : nDash(0), nGap(0), nPhase(0) {}
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CPWL_Dash(int32_t dash, int32_t gap, int32_t phase)
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: nDash(dash), nGap(gap), nPhase(phase) {}
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void Reset() {
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nDash = 0;
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nGap = 0;
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nPhase = 0;
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}
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int32_t nDash;
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int32_t nGap;
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int32_t nPhase;
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};
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class CPWL_Wnd : public Observable {
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public:
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static const CFX_Color kDefaultBlackColor;
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static const CFX_Color kDefaultWhiteColor;
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class ProviderIface : public Observable {
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public:
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virtual ~ProviderIface() = default;
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// get a matrix which map user space to CWnd client space
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virtual CFX_Matrix GetWindowMatrix(
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const IPWL_FillerNotify::PerWindowData* pAttached) = 0;
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virtual void OnSetFocusForEdit(CPWL_Edit* pEdit) = 0;
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};
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// Caller-provided options for window creation.
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class CreateParams {
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public:
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CreateParams(CFX_Timer::HandlerIface* timer_handler,
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IPWL_FillerNotify* filler_notify,
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ProviderIface* provider);
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CreateParams(const CreateParams& other);
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~CreateParams();
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// Required:
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CFX_FloatRect rcRectWnd;
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ObservedPtr<CFX_Timer::HandlerIface> const pTimerHandler;
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UnownedPtr<IPWL_FillerNotify> const pFillerNotify;
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UnownedPtr<IPVT_FontMap> pFontMap;
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ObservedPtr<ProviderIface> pProvider;
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// Optional:
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uint32_t dwFlags = 0;
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CFX_Color sBackgroundColor;
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BorderStyle nBorderStyle = BorderStyle::kSolid;
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int32_t dwBorderWidth = 1;
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CFX_Color sBorderColor;
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CFX_Color sTextColor;
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int32_t nTransparency = 255;
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float fFontSize;
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CPWL_Dash sDash;
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// Ignore, used internally only:
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CPWL_MsgControl* pMsgControl = nullptr;
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IPWL_FillerNotify::CursorStyle eCursorType =
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IPWL_FillerNotify::CursorStyle::kArrow;
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};
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static bool IsSHIFTKeyDown(Mask<FWL_EVENTFLAG> nFlag);
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static bool IsCTRLKeyDown(Mask<FWL_EVENTFLAG> nFlag);
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static bool IsALTKeyDown(Mask<FWL_EVENTFLAG> nFlag);
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static bool IsMETAKeyDown(Mask<FWL_EVENTFLAG> nFlag);
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// Selects between IsCTRLKeyDown() and IsMETAKeyDown() depending on platform.
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static bool IsPlatformShortcutKey(Mask<FWL_EVENTFLAG> nFlag);
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CPWL_Wnd(const CreateParams& cp,
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std::unique_ptr<IPWL_FillerNotify::PerWindowData> pAttachedData);
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virtual ~CPWL_Wnd();
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// Returns |true| iff this instance is still allocated.
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virtual bool InvalidateRect(const CFX_FloatRect* pRect);
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virtual bool OnKeyDown(FWL_VKEYCODE nKeyCode, Mask<FWL_EVENTFLAG> nFlag);
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virtual bool OnChar(uint16_t nChar, Mask<FWL_EVENTFLAG> nFlag);
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virtual bool OnLButtonDblClk(Mask<FWL_EVENTFLAG> nFlag,
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const CFX_PointF& point);
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virtual bool OnLButtonDown(Mask<FWL_EVENTFLAG> nFlag,
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const CFX_PointF& point);
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virtual bool OnLButtonUp(Mask<FWL_EVENTFLAG> nFlag, const CFX_PointF& point);
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virtual bool OnRButtonDown(Mask<FWL_EVENTFLAG> nFlag,
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const CFX_PointF& point);
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virtual bool OnRButtonUp(Mask<FWL_EVENTFLAG> nFlag, const CFX_PointF& point);
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virtual bool OnMouseMove(Mask<FWL_EVENTFLAG> nFlag, const CFX_PointF& point);
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virtual bool OnMouseWheel(Mask<FWL_EVENTFLAG> nFlag,
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const CFX_PointF& point,
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const CFX_Vector& delta);
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virtual void SetScrollInfo(const PWL_SCROLL_INFO& info);
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virtual void SetScrollPosition(float pos);
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virtual void ScrollWindowVertically(float pos);
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virtual void NotifyLButtonDown(CPWL_Wnd* child, const CFX_PointF& pos);
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virtual void NotifyLButtonUp(CPWL_Wnd* child, const CFX_PointF& pos);
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virtual void NotifyMouseMove(CPWL_Wnd* child, const CFX_PointF& pos);
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virtual void SetFocus();
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virtual void KillFocus();
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virtual void SetCursor();
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// Returns |true| iff this instance is still allocated.
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virtual bool SetVisible(bool bVisible);
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virtual void SetFontSize(float fFontSize);
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virtual float GetFontSize() const;
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virtual WideString GetText();
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virtual WideString GetSelectedText();
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virtual void ReplaceAndKeepSelection(const WideString& text);
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virtual void ReplaceSelection(const WideString& text);
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virtual bool SelectAllText();
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virtual bool CanUndo();
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virtual bool CanRedo();
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virtual bool Undo();
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virtual bool Redo();
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virtual CFX_FloatRect GetFocusRect() const;
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virtual CFX_FloatRect GetClientRect() const;
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virtual void OnSetFocus();
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virtual void OnKillFocus();
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void AddChild(std::unique_ptr<CPWL_Wnd> pWnd);
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void RemoveChild(CPWL_Wnd* pWnd);
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void Realize();
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void Destroy();
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bool Move(const CFX_FloatRect& rcNew, bool bReset, bool bRefresh);
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void InvalidateProvider(ProviderIface* provider);
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void DrawAppearance(CFX_RenderDevice* pDevice,
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const CFX_Matrix& mtUser2Device);
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int32_t GetBorderWidth() const;
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CFX_FloatRect GetWindowRect() const;
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bool IsVisible() const { return m_bVisible; }
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bool HasFlag(uint32_t dwFlags) const;
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void RemoveFlag(uint32_t dwFlags);
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void SetClipRect(const CFX_FloatRect& rect);
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IPWL_FillerNotify::PerWindowData* GetAttachedData() const {
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return m_pAttachedData.get();
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}
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std::unique_ptr<IPWL_FillerNotify::PerWindowData> CloneAttachedData() const;
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std::vector<UnownedPtr<CPWL_Wnd>> GetAncestors();
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bool WndHitTest(const CFX_PointF& point) const;
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bool ClientHitTest(const CFX_PointF& point) const;
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bool IsCaptureMouse() const;
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bool IsFocused() const;
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bool IsReadOnly() const;
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void SetTransparency(int32_t nTransparency);
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CFX_Matrix GetWindowMatrix() const;
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protected:
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virtual void CreateChildWnd(const CreateParams& cp);
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// Returns |true| iff this instance is still allocated.
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virtual bool RePosChildWnd();
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virtual void DrawThisAppearance(CFX_RenderDevice* pDevice,
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const CFX_Matrix& mtUser2Device);
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virtual void OnCreated();
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virtual void OnDestroy();
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bool IsValid() const { return m_bCreated; }
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CreateParams* GetCreationParams() { return &m_CreationParams; }
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ProviderIface* GetProvider() const {
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return m_CreationParams.pProvider.Get();
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}
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CFX_Timer::HandlerIface* GetTimerHandler() const {
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return m_CreationParams.pTimerHandler.Get();
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}
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IPWL_FillerNotify* GetFillerNotify() const {
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return m_CreationParams.pFillerNotify;
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}
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CPWL_Wnd* GetParentWindow() const { return m_pParent; }
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CPWL_ScrollBar* GetVScrollBar() const;
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// Returns |true| iff this instance is still allocated.
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bool InvalidateRectMove(const CFX_FloatRect& rcOld,
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const CFX_FloatRect& rcNew);
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void SetCapture();
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void ReleaseCapture();
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bool IsWndCaptureMouse(const CPWL_Wnd* pWnd) const;
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bool IsWndCaptureKeyboard(const CPWL_Wnd* pWnd) const;
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CFX_Color GetBackgroundColor() const;
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CFX_Color GetBorderColor() const;
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CFX_Color GetTextColor() const;
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CFX_Color GetBorderLeftTopColor(BorderStyle nBorderStyle) const;
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CFX_Color GetBorderRightBottomColor(BorderStyle nBorderStyle) const;
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BorderStyle GetBorderStyle() const;
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const CPWL_Dash& GetBorderDash() const;
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int32_t GetTransparency();
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int32_t GetInnerBorderWidth() const;
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CFX_PointF GetCenterPoint() const;
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const CFX_FloatRect& GetClipRect() const;
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IPVT_FontMap* GetFontMap() const { return m_CreationParams.pFontMap; }
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private:
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void DrawChildAppearance(CFX_RenderDevice* pDevice,
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const CFX_Matrix& mtUser2Device);
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CFX_FloatRect PWLtoWnd(const CFX_FloatRect& rect) const;
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void CreateScrollBar(const CreateParams& cp);
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void CreateVScrollBar(const CreateParams& cp);
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void AdjustStyle();
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void CreateMsgControl();
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void DestroyMsgControl();
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CPWL_MsgControl* GetMsgControl() const;
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CreateParams m_CreationParams;
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std::unique_ptr<IPWL_FillerNotify::PerWindowData> m_pAttachedData;
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UnownedPtr<CPWL_Wnd> m_pParent;
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std::vector<std::unique_ptr<CPWL_Wnd>> m_Children;
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UnownedPtr<CPWL_ScrollBar> m_pVScrollBar;
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CFX_FloatRect m_rcWindow;
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CFX_FloatRect m_rcClip;
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bool m_bCreated = false;
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bool m_bVisible = false;
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};
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#endif // FPDFSDK_PWL_CPWL_WND_H_
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