From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- widget/windows/nsWinGesture.h | 91 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 widget/windows/nsWinGesture.h (limited to 'widget/windows/nsWinGesture.h') diff --git a/widget/windows/nsWinGesture.h b/widget/windows/nsWinGesture.h new file mode 100644 index 0000000000..040b460da9 --- /dev/null +++ b/widget/windows/nsWinGesture.h @@ -0,0 +1,91 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef WinGesture_h__ +#define WinGesture_h__ + +/* + * nsWinGesture - Touch input handling for tablet displays. + */ + +#include "nsdefs.h" +#include +#include +#include "nsPoint.h" +#include "mozilla/EventForwards.h" +#include "mozilla/TouchEvents.h" + +// WM_TABLET_QUERYSYSTEMGESTURESTATUS return values +#define TABLET_ROTATE_GESTURE_ENABLE 0x02000000 + +class nsPointWin : public nsIntPoint { + public: + nsPointWin& operator=(const POINTS& aPoint) { + x = aPoint.x; + y = aPoint.y; + return *this; + } + nsPointWin& operator=(const POINT& aPoint) { + x = aPoint.x; + y = aPoint.y; + return *this; + } + nsPointWin& operator=(int val) { + x = y = val; + return *this; + } + void ScreenToClient(HWND hWnd) { + POINT tmp; + tmp.x = x; + tmp.y = y; + ::ScreenToClient(hWnd, &tmp); + *this = tmp; + } +}; + +class nsWinGesture { + public: + nsWinGesture(); + + public: + bool SetWinGestureSupport( + HWND hWnd, mozilla::WidgetGestureNotifyEvent::PanDirection aDirection); + bool ShutdownWinGestureSupport(); + + // Simple gesture process + bool ProcessGestureMessage(HWND hWnd, WPARAM wParam, LPARAM lParam, + mozilla::WidgetSimpleGestureEvent& evt); + + // Pan processing + bool IsPanEvent(LPARAM lParam); + bool ProcessPanMessage(HWND hWnd, WPARAM wParam, LPARAM lParam); + bool PanDeltaToPixelScroll(mozilla::WidgetWheelEvent& aWheelEvent); + void UpdatePanFeedbackX(HWND hWnd, int32_t scrollOverflow, bool& endFeedback); + void UpdatePanFeedbackY(HWND hWnd, int32_t scrollOverflow, bool& endFeedback); + void PanFeedbackFinalize(HWND hWnd, bool endFeedback); + + private: + // Delay load info + bool InitLibrary(); + + // Pan and feedback state + nsPointWin mPanIntermediate; + nsPointWin mPanRefPoint; + nsPointWin mPixelScrollDelta; + bool mPanActive; + bool mFeedbackActive; + bool mXAxisFeedback; + bool mYAxisFeedback; + bool mPanInertiaActive; + nsPointWin mPixelScrollOverflow; + + // Zoom state + double mZoomIntermediate; + + // Rotate state + double mRotateIntermediate; +}; + +#endif /* WinGesture_h__ */ -- cgit v1.2.3