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c2ff93f196
Due to Windows doesn't support dnd in the pen message handler, we can't handle and consume WM_POINTER* to fire WidgetMouseEvent. On the other hand, we can't get some pen related attributes from Windows mouse messages. This patch gets and caches the attributes by handling WM_POINTER* but not fire WidgetMouseEvent to support dnd and pen related attributes. When handling the subsequent Windows mouse messages, we use the cached attributes to fire WidgetMouseEvent. Considering we might need to use WM_POINTER* someday, use a preference to control the behavior. MozReview-Commit-ID: 5E60KO1zo0W
172 lines
7.5 KiB
C++
172 lines
7.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WinPointerEvents_h__
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#define WinPointerEvents_h__
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#include "mozilla/MouseEvents.h"
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#include "nsWindowBase.h"
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// Define PointerEvent related macros and structures when building code on
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// Windows version before Win8.
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#if WINVER < 0x0602
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// These definitions are copied from WinUser.h. Some of them are not used but
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// keep them here for future usage.
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#define WM_NCPOINTERUPDATE 0x0241
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#define WM_NCPOINTERDOWN 0x0242
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#define WM_NCPOINTERUP 0x0243
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#define WM_POINTERUPDATE 0x0245
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#define WM_POINTERDOWN 0x0246
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#define WM_POINTERUP 0x0247
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#define WM_POINTERENTER 0x0249
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#define WM_POINTERLEAVE 0x024A
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#define WM_POINTERACTIVATE 0x024B
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#define WM_POINTERCAPTURECHANGED 0x024C
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#define WM_TOUCHHITTESTING 0x024D
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#define WM_POINTERWHEEL 0x024E
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#define WM_POINTERHWHEEL 0x024F
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#define DM_POINTERHITTEST 0x0250
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typedef UINT32 PEN_FLAGS;
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#define PEN_FLAG_NONE 0x00000000 // Default
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#define PEN_FLAG_BARREL 0x00000001 // The barrel button is pressed
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#define PEN_FLAG_INVERTED 0x00000002 // The pen is inverted
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#define PEN_FLAG_ERASER 0x00000004 // The eraser button is pressed
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typedef UINT32 PEN_MASK;
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#define PEN_MASK_NONE 0x00000000 // Default - none of the optional fields are valid
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#define PEN_MASK_PRESSURE 0x00000001 // The pressure field is valid
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#define PEN_MASK_ROTATION 0x00000002 // The rotation field is valid
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#define PEN_MASK_TILT_X 0x00000004 // The tiltX field is valid
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#define PEN_MASK_TILT_Y 0x00000008 // The tiltY field is valid
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typedef struct tagPOINTER_PEN_INFO {
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POINTER_INFO pointerInfo;
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PEN_FLAGS penFlags;
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PEN_MASK penMask;
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UINT32 pressure;
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UINT32 rotation;
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INT32 tiltX;
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INT32 tiltY;
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} POINTER_PEN_INFO;
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/*
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* Flags that appear in pointer input message parameters
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*/
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#define POINTER_MESSAGE_FLAG_NEW 0x00000001 // New pointer
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#define POINTER_MESSAGE_FLAG_INRANGE 0x00000002 // Pointer has not departed
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#define POINTER_MESSAGE_FLAG_INCONTACT 0x00000004 // Pointer is in contact
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#define POINTER_MESSAGE_FLAG_FIRSTBUTTON 0x00000010 // Primary action
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#define POINTER_MESSAGE_FLAG_SECONDBUTTON 0x00000020 // Secondary action
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#define POINTER_MESSAGE_FLAG_THIRDBUTTON 0x00000040 // Third button
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#define POINTER_MESSAGE_FLAG_FOURTHBUTTON 0x00000080 // Fourth button
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#define POINTER_MESSAGE_FLAG_FIFTHBUTTON 0x00000100 // Fifth button
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#define POINTER_MESSAGE_FLAG_PRIMARY 0x00002000 // Pointer is primary
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#define POINTER_MESSAGE_FLAG_CONFIDENCE 0x00004000 // Pointer is considered unlikely to be accidental
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#define POINTER_MESSAGE_FLAG_CANCELED 0x00008000 // Pointer is departing in an abnormal manner
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/*
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* Macros to retrieve information from pointer input message parameters
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*/
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#define GET_POINTERID_WPARAM(wParam) (LOWORD(wParam))
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#define IS_POINTER_FLAG_SET_WPARAM(wParam, flag) (((DWORD)HIWORD(wParam) & (flag)) == (flag))
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#define IS_POINTER_NEW_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_NEW)
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#define IS_POINTER_INRANGE_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_INRANGE)
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#define IS_POINTER_INCONTACT_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_INCONTACT)
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#define IS_POINTER_FIRSTBUTTON_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FIRSTBUTTON)
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#define IS_POINTER_SECONDBUTTON_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_SECONDBUTTON)
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#define IS_POINTER_THIRDBUTTON_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_THIRDBUTTON)
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#define IS_POINTER_FOURTHBUTTON_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FOURTHBUTTON)
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#define IS_POINTER_FIFTHBUTTON_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FIFTHBUTTON)
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#define IS_POINTER_PRIMARY_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_PRIMARY)
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#define HAS_POINTER_CONFIDENCE_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_CONFIDENCE)
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#define IS_POINTER_CANCELED_WPARAM(wParam) IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_CANCELED)
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/*
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* WM_POINTERACTIVATE return codes
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*/
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#define PA_ACTIVATE MA_ACTIVATE
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#define PA_NOACTIVATE MA_NOACTIVATE
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#endif // WINVER < 0x0602
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/******************************************************************************
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* WinPointerInfo
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*
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* This is a helper class to handle WM_POINTER*. It only supports Win8 or later.
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*
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******************************************************************************/
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class WinPointerInfo final : public mozilla::WidgetPointerHelper
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{
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public:
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WinPointerInfo()
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: WidgetPointerHelper()
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, mPressure(0)
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, mButtons(0)
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{
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}
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WinPointerInfo(uint32_t aPointerId, uint32_t aTiltX, uint32_t aTiltY,
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float aPressure, int16_t aButtons)
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: WidgetPointerHelper(aPointerId, aTiltX, aTiltY)
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, mPressure(aPressure)
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, mButtons(aButtons)
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{
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}
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float mPressure;
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int16_t mButtons;
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};
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class WinPointerEvents final
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{
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public:
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explicit WinPointerEvents();
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public:
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bool ShouldHandleWinPointerMessages(UINT aMsg, WPARAM aWParam);
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uint32_t GetPointerId(WPARAM aWParam)
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{
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return GET_POINTERID_WPARAM(aWParam);
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}
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bool GetPointerType(uint32_t aPointerId, POINTER_INPUT_TYPE *aPointerType);
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POINTER_INPUT_TYPE GetPointerType(uint32_t aPointerId);
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bool GetPointerInfo(uint32_t aPointerId, POINTER_INFO *aPointerInfo);
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bool GetPointerPenInfo(uint32_t aPointerId, POINTER_PEN_INFO *aPenInfo);
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bool ShouldEnableInkCollector();
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bool ShouldRollupOnPointerEvent(UINT aMsg, WPARAM aWParam);
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bool ShouldFirePointerEventByWinPointerMessages();
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WinPointerInfo* GetCachedPointerInfo(UINT aMsg, WPARAM aWParam);
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void ConvertAndCachePointerInfo(UINT aMsg, WPARAM aWParam);
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void ConvertAndCachePointerInfo(WPARAM aWParam, WinPointerInfo* aInfo);
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private:
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// Function prototypes
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typedef BOOL (WINAPI* GetPointerTypePtr)(uint32_t aPointerId,
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POINTER_INPUT_TYPE *aPointerType);
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typedef BOOL (WINAPI* GetPointerInfoPtr)(uint32_t aPointerId,
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POINTER_INFO *aPointerInfo);
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typedef BOOL (WINAPI* GetPointerPenInfoPtr)(uint32_t aPointerId,
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POINTER_PEN_INFO *aPenInfo);
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void InitLibrary();
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static HMODULE sLibraryHandle;
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static const wchar_t kPointerLibraryName[];
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static bool sPointerEventEnabled;
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static bool WinPointerEvents::sFirePointerEventsByWinPointerMessages;
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// Static function pointers
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static GetPointerTypePtr getPointerType;
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static GetPointerInfoPtr getPointerInfo;
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static GetPointerPenInfoPtr getPointerPenInfo;
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WinPointerInfo mPenPointerDownInfo;
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WinPointerInfo mPenPointerUpInfo;
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WinPointerInfo mPenPointerUpdateInfo;
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};
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#endif // #ifndef WinPointerEvents_h__
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