diff options
-rw-r--r-- | intern/ghost/CMakeLists.txt | 2 | ||||
-rw-r--r-- | intern/ghost/intern/GHOST_SystemWin32.cpp | 59 | ||||
-rw-r--r-- | intern/ghost/intern/GHOST_SystemWin32.h | 10 | ||||
-rw-r--r-- | intern/ghost/intern/GHOST_TrackpadWin32.cpp | 343 | ||||
-rw-r--r-- | intern/ghost/intern/GHOST_TrackpadWin32.h | 138 | ||||
-rw-r--r-- | intern/ghost/intern/GHOST_WindowWin32.cpp | 47 | ||||
-rw-r--r-- | intern/ghost/intern/GHOST_WindowWin32.h | 18 |
7 files changed, 617 insertions, 0 deletions
diff --git a/intern/ghost/CMakeLists.txt b/intern/ghost/CMakeLists.txt index 9421edecf12..dceb9ced803 100644 --- a/intern/ghost/CMakeLists.txt +++ b/intern/ghost/CMakeLists.txt @@ -376,6 +376,7 @@ elseif(WIN32) intern/GHOST_DisplayManagerWin32.cpp intern/GHOST_DropTargetWin32.cpp intern/GHOST_SystemWin32.cpp + intern/GHOST_TrackpadWin32.cpp intern/GHOST_WindowWin32.cpp intern/GHOST_Wintab.cpp @@ -384,6 +385,7 @@ elseif(WIN32) intern/GHOST_DropTargetWin32.h intern/GHOST_SystemWin32.h intern/GHOST_TaskbarWin32.h + intern/GHOST_TrackpadWin32.h intern/GHOST_WindowWin32.h intern/GHOST_Wintab.h ) diff --git a/intern/ghost/intern/GHOST_SystemWin32.cpp b/intern/ghost/intern/GHOST_SystemWin32.cpp index ca4bfa634c1..8e07bf4ea3d 100644 --- a/intern/ghost/intern/GHOST_SystemWin32.cpp +++ b/intern/ghost/intern/GHOST_SystemWin32.cpp @@ -8,6 +8,7 @@ #include "GHOST_SystemWin32.h" #include "GHOST_ContextD3D.h" #include "GHOST_EventDragnDrop.h" +#include "GHOST_EventTrackpad.h" #ifndef _WIN32_IE # define _WIN32_IE 0x0501 /* shipped before XP, so doesn't impose additional requirements */ @@ -415,6 +416,8 @@ bool GHOST_SystemWin32::processEvents(bool waitForEvent) hasEventHandled = true; } + driveTrackpad(); + // Process all the events waiting for us while (::PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE) != 0) { // TranslateMessage doesn't alter the message, and doesn't change our raw keyboard data. @@ -424,6 +427,8 @@ bool GHOST_SystemWin32::processEvents(bool waitForEvent) hasEventHandled = true; } + processTrackpad(); + /* PeekMessage above is allowed to dispatch messages to the wndproc without us * noticing, so we need to check the event manager here to see if there are * events waiting in the queue. @@ -1417,6 +1422,52 @@ bool GHOST_SystemWin32::processNDOF(RAWINPUT const &raw) } #endif // WITH_INPUT_NDOF +void GHOST_SystemWin32::driveTrackpad() +{ + GHOST_WindowWin32 *active_window = static_cast<GHOST_WindowWin32 *>( + getWindowManager()->getActiveWindow()); + if (active_window) { + active_window->updateDirectManipulation(); + } +} + +void GHOST_SystemWin32::processTrackpad() +{ + GHOST_WindowWin32 *active_window = static_cast<GHOST_WindowWin32 *>( + getWindowManager()->getActiveWindow()); + + if (!active_window) { + return; + } + + GHOST_TTrackpadInfo trackpad_info = active_window->getTrackpadInfo(); + GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem(); + + int32_t cursor_x, cursor_y; + system->getCursorPosition(cursor_x, cursor_y); + + if (trackpad_info.x != 0 || trackpad_info.y != 0) { + system->pushEvent(new GHOST_EventTrackpad(system->getMilliSeconds(), + active_window, + GHOST_kTrackpadEventScroll, + cursor_x, + cursor_y, + trackpad_info.x, + trackpad_info.y, + trackpad_info.isScrollDirectionInverted)); + } + if (trackpad_info.scale != 0) { + system->pushEvent(new GHOST_EventTrackpad(system->getMilliSeconds(), + active_window, + GHOST_kTrackpadEventMagnify, + cursor_x, + cursor_y, + trackpad_info.scale, + 0, + false)); + } +} + LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { GHOST_Event *event = NULL; @@ -1969,6 +2020,8 @@ LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam, suggestedWindowRect->right - suggestedWindowRect->left, suggestedWindowRect->bottom - suggestedWindowRect->top, SWP_NOZORDER | SWP_NOACTIVATE); + + window->updateDPI(); } break; case WM_DISPLAYCHANGE: { @@ -2063,6 +2116,12 @@ LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam, * In GHOST, we let DefWindowProc call the timer callback. */ break; + case DM_POINTERHITTEST: + /* The DM_POINTERHITTEST message is sent to a window, when pointer input is first + * detected, in order to determine the most probable input target for Direct + * Manipulation. */ + window->onPointerHitTest(wParam); + break; } } else { diff --git a/intern/ghost/intern/GHOST_SystemWin32.h b/intern/ghost/intern/GHOST_SystemWin32.h index 9f8d52f9ca3..689b78b0317 100644 --- a/intern/ghost/intern/GHOST_SystemWin32.h +++ b/intern/ghost/intern/GHOST_SystemWin32.h @@ -407,6 +407,16 @@ class GHOST_SystemWin32 : public GHOST_System { #endif /** + * Drives Direct Manipulation update. + */ + void driveTrackpad(); + + /** + * Creates trackpad events for the active window. + */ + void processTrackpad(); + + /** * Returns the local state of the modifier keys (from the message queue). * \param keys: The state of the keys. */ diff --git a/intern/ghost/intern/GHOST_TrackpadWin32.cpp b/intern/ghost/intern/GHOST_TrackpadWin32.cpp new file mode 100644 index 00000000000..69b590ee8de --- /dev/null +++ b/intern/ghost/intern/GHOST_TrackpadWin32.cpp @@ -0,0 +1,343 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +/** \file + * \ingroup GHOST + */ + +#include <cmath> + +#include "GHOST_Debug.h" +#include "GHOST_TrackpadWin32.h" + +GHOST_DirectManipulationHelper::GHOST_DirectManipulationHelper( + HWND hWnd, + Microsoft::WRL::ComPtr<IDirectManipulationManager> directManipulationManager, + Microsoft::WRL::ComPtr<IDirectManipulationUpdateManager> directManipulationUpdateManager, + Microsoft::WRL::ComPtr<IDirectManipulationViewport> directManipulationViewport, + Microsoft::WRL::ComPtr<GHOST_DirectManipulationViewportEventHandler> + directManipulationEventHandler, + DWORD directManipulationViewportHandlerCookie, + bool isScrollDirectionInverted) + : m_hWnd(hWnd), + m_scrollDirectionRegKey(NULL), + m_scrollDirectionChangeEvent(NULL), + m_directManipulationManager(directManipulationManager), + m_directManipulationUpdateManager(directManipulationUpdateManager), + m_directManipulationViewport(directManipulationViewport), + m_directManipulationEventHandler(directManipulationEventHandler), + m_directManipulationViewportHandlerCookie(directManipulationViewportHandlerCookie), + m_isScrollDirectionInverted(isScrollDirectionInverted) +{ +} + +GHOST_DirectManipulationHelper *GHOST_DirectManipulationHelper::create(HWND hWnd, uint16_t dpi) +{ +#define DM_CHECK_RESULT_AND_EXIT_EARLY(hr, failMessage) \ + { \ + if (!SUCCEEDED(hr)) { \ + GHOST_PRINT(failMessage); \ + return nullptr; \ + } \ + } + + Microsoft::WRL::ComPtr<IDirectManipulationManager> directManipulationManager; + HRESULT hr = ::CoCreateInstance(CLSID_DirectManipulationManager, + nullptr, + CLSCTX_INPROC_SERVER, + IID_PPV_ARGS(&directManipulationManager)); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "DirectManipulationManager create failed\n"); + + /* Since we want to use fake viewport, we need to send fake updates to UpdateManager. */ + Microsoft::WRL::ComPtr<IDirectManipulationUpdateManager> directManipulationUpdateManager; + hr = directManipulationManager->GetUpdateManager(IID_PPV_ARGS(&directManipulationUpdateManager)); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "Get UpdateManager failed\n"); + + Microsoft::WRL::ComPtr<IDirectManipulationViewport> directManipulationViewport; + hr = directManipulationManager->CreateViewport( + nullptr, hWnd, IID_PPV_ARGS(&directManipulationViewport)); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "Viewport create failed\n"); + + DIRECTMANIPULATION_CONFIGURATION configuration = + DIRECTMANIPULATION_CONFIGURATION_INTERACTION | + DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_X | + DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_Y | + DIRECTMANIPULATION_CONFIGURATION_TRANSLATION_INERTIA | + DIRECTMANIPULATION_CONFIGURATION_SCALING; + + hr = directManipulationViewport->ActivateConfiguration(configuration); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "Viewport set ActivateConfiguration failed\n"); + + /* Since we are using fake viewport and only want to use Direct Manipulation for touchpad, we + * need to use MANUALUPDATE option. */ + hr = directManipulationViewport->SetViewportOptions( + DIRECTMANIPULATION_VIEWPORT_OPTIONS_MANUALUPDATE); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "Viewport set ViewportOptions failed\n"); + + /* We receive Direct Manipulation transform updates in IDirectManipulationViewportEventHandler + * callbacks. */ + Microsoft::WRL::ComPtr<GHOST_DirectManipulationViewportEventHandler> + directManipulationEventHandler = + Microsoft::WRL::Make<GHOST_DirectManipulationViewportEventHandler>(dpi); + DWORD directManipulationViewportHandlerCookie; + directManipulationViewport->AddEventHandler( + hWnd, directManipulationEventHandler.Get(), &directManipulationViewportHandlerCookie); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "Viewport add EventHandler failed\n"); + + /* Set default rect for viewport before activating. */ + RECT rect = {0, 0, 10000, 10000}; + hr = directManipulationViewport->SetViewportRect(&rect); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "Viewport set rect failed\n"); + + hr = directManipulationManager->Activate(hWnd); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "DirectManipulationManager activate failed\n"); + + hr = directManipulationViewport->Enable(); + DM_CHECK_RESULT_AND_EXIT_EARLY(hr, "Viewport enable failed\n"); + + directManipulationEventHandler->resetViewport(directManipulationViewport.Get()); + + bool isScrollDirectionInverted = getScrollDirectionFromReg(); + + auto instance = new GHOST_DirectManipulationHelper(hWnd, + directManipulationManager, + directManipulationUpdateManager, + directManipulationViewport, + directManipulationEventHandler, + directManipulationViewportHandlerCookie, + isScrollDirectionInverted); + + instance->registerScrollDirectionChangeListener(); + + return instance; + +#undef DM_CHECK_RESULT_AND_EXIT_EARLY +} + +bool GHOST_DirectManipulationHelper::getScrollDirectionFromReg() +{ + DWORD scrollDirectionRegValue, pcbData; + HRESULT hr = HRESULT_FROM_WIN32( + RegGetValueW(HKEY_CURRENT_USER, + L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\PrecisionTouchPad\\", + L"ScrollDirection", + RRF_RT_REG_DWORD, + NULL, + &scrollDirectionRegValue, + &pcbData)); + if (!SUCCEEDED(hr)) { + GHOST_PRINT("Failed to get scroll direction from registry\n"); + return false; + } + + return scrollDirectionRegValue == 0; +} + +void GHOST_DirectManipulationHelper::registerScrollDirectionChangeListener() +{ + + if (!m_scrollDirectionRegKey) { + HRESULT hr = HRESULT_FROM_WIN32( + RegOpenKeyExW(HKEY_CURRENT_USER, + L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\PrecisionTouchPad\\", + 0, + KEY_NOTIFY, + &m_scrollDirectionRegKey)); + if (!SUCCEEDED(hr)) { + GHOST_PRINT("Failed to open scroll direction registry key\n"); + return; + } + } + + if (!m_scrollDirectionChangeEvent) { + m_scrollDirectionChangeEvent = CreateEventW(NULL, true, false, NULL); + } + else { + ResetEvent(m_scrollDirectionChangeEvent); + } + HRESULT hr = HRESULT_FROM_WIN32(RegNotifyChangeKeyValue(m_scrollDirectionRegKey, + true, + REG_NOTIFY_CHANGE_LAST_SET, + m_scrollDirectionChangeEvent, + true)); + if (!SUCCEEDED(hr)) { + GHOST_PRINT("Failed to register scroll direction change listener\n"); + return; + } +} + +void GHOST_DirectManipulationHelper::onPointerHitTest(UINT32 pointerId) +{ + [[maybe_unused]] HRESULT hr = m_directManipulationViewport->SetContact(pointerId); + GHOST_ASSERT(SUCCEEDED(hr), "Viewport set contact failed\n"); + + if (WaitForSingleObject(m_scrollDirectionChangeEvent, 0) == WAIT_OBJECT_0) { + m_isScrollDirectionInverted = getScrollDirectionFromReg(); + registerScrollDirectionChangeListener(); + } +} + +void GHOST_DirectManipulationHelper::update() +{ + if (m_directManipulationEventHandler->dm_status == DIRECTMANIPULATION_RUNNING || + m_directManipulationEventHandler->dm_status == DIRECTMANIPULATION_INERTIA) { + [[maybe_unused]] HRESULT hr = m_directManipulationUpdateManager->Update(nullptr); + GHOST_ASSERT(SUCCEEDED(hr), "DirectManipulationUpdateManager update failed\n"); + } +} + +void GHOST_DirectManipulationHelper::setDPI(uint16_t dpi) +{ + m_directManipulationEventHandler->dpi = dpi; +} + +GHOST_TTrackpadInfo GHOST_DirectManipulationHelper::getTrackpadInfo() +{ + GHOST_TTrackpadInfo result = m_directManipulationEventHandler->accumulated_values; + result.isScrollDirectionInverted = m_isScrollDirectionInverted; + + m_directManipulationEventHandler->accumulated_values = {0, 0, 0}; + return result; +} + +GHOST_DirectManipulationHelper::~GHOST_DirectManipulationHelper() +{ + HRESULT hr; + hr = m_directManipulationViewport->Stop(); + GHOST_ASSERT(SUCCEEDED(hr), "Viewport stop failed\n"); + + hr = m_directManipulationViewport->RemoveEventHandler(m_directManipulationViewportHandlerCookie); + GHOST_ASSERT(SUCCEEDED(hr), "Viewport remove event handler failed\n"); + + hr = m_directManipulationViewport->Abandon(); + GHOST_ASSERT(SUCCEEDED(hr), "Viewport abandon failed\n"); + + hr = m_directManipulationManager->Deactivate(m_hWnd); + GHOST_ASSERT(SUCCEEDED(hr), "DirectManipulationManager deactivate failed\n"); + + if (m_scrollDirectionChangeEvent) { + CloseHandle(m_scrollDirectionChangeEvent); + m_scrollDirectionChangeEvent = NULL; + } + if (m_scrollDirectionRegKey) { + RegCloseKey(m_scrollDirectionRegKey); + m_scrollDirectionRegKey = NULL; + } +} + +GHOST_DirectManipulationViewportEventHandler::GHOST_DirectManipulationViewportEventHandler( + uint16_t dpi) + : accumulated_values({0, 0, 0}), dpi(dpi), dm_status(DIRECTMANIPULATION_BUILDING) +{ +} + +void GHOST_DirectManipulationViewportEventHandler::resetViewport( + IDirectManipulationViewport *viewport) +{ + if (gesture_state != GESTURE_NONE) { + [[maybe_unused]] HRESULT hr = viewport->ZoomToRect(0.0f, 0.0f, 10000.0f, 10000.0f, FALSE); + GHOST_ASSERT(SUCCEEDED(hr), "Viewport reset failed\n"); + } + + gesture_state = GESTURE_NONE; + + last_scale = PINCH_SCALE_FACTOR; + last_x = 0.0f; + last_y = 0.0f; +} + +HRESULT GHOST_DirectManipulationViewportEventHandler::OnViewportStatusChanged( + IDirectManipulationViewport *viewport, + DIRECTMANIPULATION_STATUS current, + DIRECTMANIPULATION_STATUS previous) +{ + dm_status = current; + + if (current == previous) { + return S_OK; + } + + if (previous == DIRECTMANIPULATION_ENABLED || current == DIRECTMANIPULATION_READY || + (previous == DIRECTMANIPULATION_INERTIA && current != DIRECTMANIPULATION_INERTIA)) { + resetViewport(viewport); + } + + return S_OK; +} + +HRESULT GHOST_DirectManipulationViewportEventHandler::OnViewportUpdated( + IDirectManipulationViewport *viewport) +{ + /* Nothing to do here. */ + return S_OK; +} + +HRESULT GHOST_DirectManipulationViewportEventHandler::OnContentUpdated( + IDirectManipulationViewport *viewport, IDirectManipulationContent *content) +{ + float transform[6]; + HRESULT hr = content->GetContentTransform(transform, ARRAYSIZE(transform)); + GHOST_ASSERT(SUCCEEDED(hr), "DirectManipulationContent get transform failed\n"); + + const float device_scale_factor = dpi / 96.0f; + + const float scale = transform[0] * PINCH_SCALE_FACTOR; + const float x = transform[4] / device_scale_factor; + const float y = transform[5] / device_scale_factor; + + const float EPS = 3e-5; + + /* Ignore repeating or incorrect input. */ + if ((fabs(scale - last_scale) <= EPS && fabs(x - last_x) <= EPS && fabs(y - last_y) <= EPS) || + scale == 0.0f) { + GHOST_PRINT("Ignoring touchpad input\n"); + return hr; + } + + /* Assume that every gesture is a pan in the beginning. + * If it's a pinch, the gesture will be changed below. */ + if (gesture_state == GESTURE_NONE) { + gesture_state = GESTURE_PAN; + } + + /* DM doesn't always immediately recognize pinch gestures, + * so allow transition from pan to pinch. */ + if (gesture_state == GESTURE_PAN) { + if (fabs(scale - PINCH_SCALE_FACTOR) > EPS) { + gesture_state = GESTURE_PINCH; + } + } + + /* This state machine is used here because: + * 1. Pinch and pan gestures must be differentiated and cannot be proccessed at the same time + * because XY transform values become nonsensical during pinch gesture. + * 2. GHOST requires delta values for events while DM provides transformation matrix of the + * current gesture. + * 3. GHOST events accept integer values while DM values are non-integer. + * Truncated fractional parts are accumulated and accounted for in following updates. + */ + switch (gesture_state) { + case GESTURE_PINCH: { + int32_t dscale = roundf(scale - last_scale); + + last_scale += dscale; + + accumulated_values.scale += dscale; + break; + } + case GESTURE_PAN: { + int32_t dx = roundf(x - last_x); + int32_t dy = roundf(y - last_y); + + last_x += dx; + last_y += dy; + + accumulated_values.x += dx; + accumulated_values.y += dy; + break; + } + case GESTURE_NONE: + break; + } + + return hr; +} diff --git a/intern/ghost/intern/GHOST_TrackpadWin32.h b/intern/ghost/intern/GHOST_TrackpadWin32.h new file mode 100644 index 00000000000..2e28f756965 --- /dev/null +++ b/intern/ghost/intern/GHOST_TrackpadWin32.h @@ -0,0 +1,138 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +/** \file + * \ingroup GHOST + * Declaration of GHOST DirectManipulation classes. + */ + +#pragma once + +#ifndef WIN32 +# error WIN32 only! +#endif // WIN32 + +#include "GHOST_Types.h" + +#include <directmanipulation.h> +#include <wrl.h> + +#define PINCH_SCALE_FACTOR 125.0f + +typedef struct { + int32_t x, y, scale; + bool isScrollDirectionInverted; +} GHOST_TTrackpadInfo; + +class GHOST_DirectManipulationHelper; + +class GHOST_DirectManipulationViewportEventHandler + : public Microsoft::WRL::RuntimeClass< + Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::RuntimeClassType::ClassicCom>, + Microsoft::WRL::Implements< + Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::RuntimeClassType::ClassicCom>, + Microsoft::WRL::FtmBase, + IDirectManipulationViewportEventHandler>> { + public: + GHOST_DirectManipulationViewportEventHandler(uint16_t dpi); + + /* + * Resets viewport and tracked touchpad state. + */ + void resetViewport(IDirectManipulationViewport *viewport); + + /* DirectManipulation callbacks. */ + HRESULT STDMETHODCALLTYPE OnViewportStatusChanged(IDirectManipulationViewport *viewport, + DIRECTMANIPULATION_STATUS current, + DIRECTMANIPULATION_STATUS previous) override; + + HRESULT STDMETHODCALLTYPE OnViewportUpdated(IDirectManipulationViewport *viewport) override; + + HRESULT STDMETHODCALLTYPE OnContentUpdated(IDirectManipulationViewport *viewport, + IDirectManipulationContent *content) override; + + private: + enum { GESTURE_NONE, GESTURE_PAN, GESTURE_PINCH } gesture_state; + + int32_t last_x, last_y, last_scale; + GHOST_TTrackpadInfo accumulated_values; + uint16_t dpi; + DIRECTMANIPULATION_STATUS dm_status; + + friend class GHOST_DirectManipulationHelper; +}; + +class GHOST_DirectManipulationHelper { + public: + /* + * Creates a GHOST_DirectManipulationHelper for the provided window. + * \param hWnd: The window receiving DirectManipulation events. + * \param dpi: The current DPI. + * \return Pointer to the new GHOST_DirectManipulationHelper if created, nullptr if there was an + * error. + */ + static GHOST_DirectManipulationHelper *create(HWND hWnd, uint16_t dpi); + + ~GHOST_DirectManipulationHelper(); + + /* + * Drives the DirectManipulation context. + * DirectManipulation's intended use is to tie user input into DirectComposition's compositor + * scaling and translating. We are not using DirectComposition and therefore must drive + * DirectManipulation manually. + */ + void update(); + + /* + * Sets pointer in contact with the DirectManipulation context. + * \param pointerId: ID of the pointer in contact. + */ + void onPointerHitTest(UINT32 pointerId); + + /* + * Updates DPI information for touchpad scaling. + * \param dpi: The new DPI. + */ + void setDPI(uint16_t dpi); + + /* + * Retrieves trackpad input. + * \return The accumulated trackpad translation and scale since last call. + */ + GHOST_TTrackpadInfo getTrackpadInfo(); + + private: + GHOST_DirectManipulationHelper( + HWND hWnd, + Microsoft::WRL::ComPtr<IDirectManipulationManager> directManipulationManager, + Microsoft::WRL::ComPtr<IDirectManipulationUpdateManager> directManipulationUpdateManager, + Microsoft::WRL::ComPtr<IDirectManipulationViewport> directManipulationViewport, + Microsoft::WRL::ComPtr<GHOST_DirectManipulationViewportEventHandler> + directManipulationEventHandler, + DWORD directManipulationViewportHandlerCookie, + bool isScrollDirectionInverted); + + /* + * Retrieves the scroll direction from the registry. + * \return True if scroll direction is inverted. + */ + static bool getScrollDirectionFromReg(); + + /* + * Registers listener for registry scroll direction entry changes. + */ + void registerScrollDirectionChangeListener(); + + HWND m_hWnd; + + HKEY m_scrollDirectionRegKey; + HANDLE m_scrollDirectionChangeEvent; + + Microsoft::WRL::ComPtr<IDirectManipulationManager> m_directManipulationManager; + Microsoft::WRL::ComPtr<IDirectManipulationUpdateManager> m_directManipulationUpdateManager; + Microsoft::WRL::ComPtr<IDirectManipulationViewport> m_directManipulationViewport; + Microsoft::WRL::ComPtr<GHOST_DirectManipulationViewportEventHandler> + m_directManipulationEventHandler; + DWORD m_directManipulationViewportHandlerCookie; + + bool m_isScrollDirectionInverted; +}; diff --git a/intern/ghost/intern/GHOST_WindowWin32.cpp b/intern/ghost/intern/GHOST_WindowWin32.cpp index f74a4b17a51..897e6c145da 100644 --- a/intern/ghost/intern/GHOST_WindowWin32.cpp +++ b/intern/ghost/intern/GHOST_WindowWin32.cpp @@ -68,6 +68,7 @@ GHOST_WindowWin32::GHOST_WindowWin32(GHOST_SystemWin32 *system, m_normal_state(GHOST_kWindowStateNormal), m_user32(::LoadLibrary("user32.dll")), m_parentWindowHwnd(parentwindow ? parentwindow->m_hWnd : HWND_DESKTOP), + m_directManipulationHelper(NULL), m_debug_context(is_debug) { DWORD style = parentwindow ? @@ -204,6 +205,42 @@ GHOST_WindowWin32::GHOST_WindowWin32(GHOST_SystemWin32 *system, /* Allow the showing of a progress bar on the taskbar. */ CoCreateInstance( CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, (LPVOID *)&m_Bar); + + /* Initialize Direct Manipulation. */ + m_directManipulationHelper = GHOST_DirectManipulationHelper::create(m_hWnd, getDPIHint()); +} + +void GHOST_WindowWin32::updateDirectManipulation() +{ + if (!m_directManipulationHelper) { + return; + } + + m_directManipulationHelper->update(); +} + +void GHOST_WindowWin32::onPointerHitTest(WPARAM wParam) +{ + /* Only DM_POINTERHITTEST can be the first message of input sequence of touchpad input. */ + + if (!m_directManipulationHelper) { + return; + } + + UINT32 pointerId = GET_POINTERID_WPARAM(wParam); + POINTER_INPUT_TYPE pointerType; + if (GetPointerType(pointerId, &pointerType) && pointerType == PT_TOUCHPAD) { + m_directManipulationHelper->onPointerHitTest(pointerId); + } +} + +GHOST_TTrackpadInfo GHOST_WindowWin32::getTrackpadInfo() +{ + if (!m_directManipulationHelper) { + return {0, 0, 0}; + } + + return m_directManipulationHelper->getTrackpadInfo(); } GHOST_WindowWin32::~GHOST_WindowWin32() @@ -253,6 +290,9 @@ GHOST_WindowWin32::~GHOST_WindowWin32() ::DestroyWindow(m_hWnd); m_hWnd = 0; } + + delete m_directManipulationHelper; + m_directManipulationHelper = NULL; } void GHOST_WindowWin32::adjustWindowRectForClosestMonitor(LPRECT win_rect, @@ -1035,6 +1075,13 @@ void GHOST_WindowWin32::ThemeRefresh() } } +void GHOST_WindowWin32::updateDPI() +{ + if (m_directManipulationHelper) { + m_directManipulationHelper->setDPI(getDPIHint()); + } +} + uint16_t GHOST_WindowWin32::getDPIHint() { if (m_user32) { diff --git a/intern/ghost/intern/GHOST_WindowWin32.h b/intern/ghost/intern/GHOST_WindowWin32.h index bc678adff3c..c958a89ac48 100644 --- a/intern/ghost/intern/GHOST_WindowWin32.h +++ b/intern/ghost/intern/GHOST_WindowWin32.h @@ -13,6 +13,7 @@ #endif // WIN32 #include "GHOST_TaskbarWin32.h" +#include "GHOST_TrackpadWin32.h" #include "GHOST_Window.h" #include "GHOST_Wintab.h" #ifdef WITH_INPUT_IME @@ -286,6 +287,8 @@ class GHOST_WindowWin32 : public GHOST_Window { return GHOST_kFailure; } + void updateDPI(); + uint16_t getDPIHint() override; /** True if the mouse is either over or captured by the window. */ @@ -308,6 +311,19 @@ class GHOST_WindowWin32 : public GHOST_Window { void endIME(); #endif /* WITH_INPUT_IME */ + /* + * Drive DirectManipulation context. + */ + void updateDirectManipulation(); + + /* + * Handle DM_POINTERHITTEST events. + * \param wParam: wParam from the event. + */ + void onPointerHitTest(WPARAM wParam); + + GHOST_TTrackpadInfo getTrackpadInfo(); + private: /** * \param type: The type of rendering context create. @@ -391,6 +407,8 @@ class GHOST_WindowWin32 : public GHOST_Window { HWND m_parentWindowHwnd; + GHOST_DirectManipulationHelper *m_directManipulationHelper; + #ifdef WITH_INPUT_IME /** Handle input method editors event */ GHOST_ImeWin32 m_imeInput; |