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Revert "Revert "Windows: support high resolution tablet pen events for Wintab"" 

This reverts commit e90d8422d0.
This commit is contained in:
Nicholas Rishel 2020-04-20 18:46:57 -07:00
parent c503c5f756
commit abbdfc8bf7
5 changed files with 533 additions and 206 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
intern/ghost/intern/GHOST_System.h
View File

@ -237,7 +237,7 @@ class GHOST_System : public GHOST_ISystem {
* Set which tablet API to use. Only affects Windows, other platforms have a single API.
* \param api Enum indicating which API to use.
*/
void setTabletAPI(GHOST_TTabletAPI api);
virtual void setTabletAPI(GHOST_TTabletAPI api);
GHOST_TTabletAPI getTabletAPI(void);
#ifdef WITH_INPUT_NDOF

148
intern/ghost/intern/GHOST_SystemWin32.cpp
View File

@ -941,15 +941,100 @@ GHOST_EventButton *GHOST_SystemWin32::processButtonEvent(GHOST_TEventType type,
window->updateMouseCapture(MouseReleased);
}
if (window->m_tabletInRange) {
if (window->useTabletAPI(GHOST_kTabletNative)) {
/* Check for active Wintab mouse emulation in addition to a tablet in range because a proximity
* leave event might have fired before the Windows mouse up event, thus there are still tablet
* events to grab. The described behavior was observed in a Wacom Bamboo CTE-450.
*/
if (window->m_tabletInRange || window->wintabSysButPressed()) {
if (window->useTabletAPI(GHOST_kTabletWintab) && processWintabEvents(type, window)) {
// Wintab processing only handles in-contact events.
return NULL;
}
else if (window->useTabletAPI(GHOST_kTabletNative)) {
// Win32 Pointer processing handles input while in-range and in-contact events.
return NULL;
}
// If using Wintab and this was a button down event but no button event was queued while
// processing Wintab packets, fall through to create a button event.
}
return new GHOST_EventButton(
system->getMilliSeconds(), type, window, mask, window->getTabletData());
system->getMilliSeconds(), type, window, mask, GHOST_TABLET_DATA_NONE);
}
GHOST_TSuccess GHOST_SystemWin32::processWintabEvents(GHOST_TEventType type,
GHOST_WindowWin32 *window)
{
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
/* Only process Wintab packets if we can correlate them to a Window's mouse button event. When a
* button event associated to a mouse button by Wintab occurs outside of WM_*BUTTON events,
* there's no way to tell if other simultaneously pressed non-mouse mapped buttons are associated
* to a modifier key (shift, alt, ctrl) or a system event (scroll, etc.) and thus it is not
* possible to determine if a mouse click event should occur.
*/
if (!window->getMousePressed() && !window->wintabSysButPressed()) {
return GHOST_kFailure;
}
std::vector<GHOST_WintabInfoWin32> wintabInfo;
if (!window->getWintabInfo(wintabInfo)) {
return GHOST_kFailure;
}
auto wtiIter = wintabInfo.begin();
/* We only process events that correlate to a mouse button events, so there may exist Wintab
* button down events that were instead mapped to e.g. scroll still in the queue. We need to
* skip those and find the last button down mapped to mouse buttons.
*/
if (!window->wintabSysButPressed()) {
for (auto it = wtiIter; it != wintabInfo.end(); it++) {
if (it->type == GHOST_kEventButtonDown) {
wtiIter = it;
}
}
}
for (; wtiIter != wintabInfo.end(); wtiIter++) {
auto info = *wtiIter;
switch (info.type) {
case GHOST_kEventButtonDown: {
/* While changing windows with a tablet, Window's mouse button events normally occur before
* tablet proximity events, so a button up event can't be differentiated as occurring from
* a Wintab tablet or a normal mouse and a Ghost button event will always be generated.
*
* If we were called during a button down event create a ghost button down event, otherwise
* don't duplicate the prior button down as it interrupts drawing immediately after
* changing a window.
*/
if (type == GHOST_kEventButtonDown) {
// Move cursor to point of contact because GHOST_EventButton does not include position.
system->pushEvent(new GHOST_EventCursor(
info.time, GHOST_kEventCursorMove, window, info.x, info.y, info.tabletData));
system->pushEvent(
new GHOST_EventButton(info.time, info.type, window, info.button, info.tabletData));
}
window->updateWintabSysBut(MousePressed);
break;
}
case GHOST_kEventCursorMove:
system->pushEvent(new GHOST_EventCursor(
info.time, GHOST_kEventCursorMove, window, info.x, info.y, info.tabletData));
break;
case GHOST_kEventButtonUp:
system->pushEvent(
new GHOST_EventButton(info.time, info.type, window, info.button, info.tabletData));
window->updateWintabSysBut(MouseReleased);
break;
default:
break;
}
}
return GHOST_kSuccess;
}
void GHOST_SystemWin32::processPointerEvents(
@ -1037,13 +1122,19 @@ GHOST_EventCursor *GHOST_SystemWin32::processCursorEvent(GHOST_WindowWin32 *wind
GHOST_TInt32 x_screen, y_screen;
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
if (window->m_tabletInRange) {
if (window->useTabletAPI(GHOST_kTabletNative)) {
if (window->m_tabletInRange || window->wintabSysButPressed()) {
if (window->useTabletAPI(GHOST_kTabletWintab) &&
processWintabEvents(GHOST_kEventCursorMove, window)) {
return NULL;
}
else if (window->useTabletAPI(GHOST_kTabletNative)) {
// Tablet input handled in WM_POINTER* events. WM_MOUSEMOVE events in response to tablet
// input aren't normally generated when using WM_POINTER events, but manually moving the
// system cursor as we do in WM_POINTER handling does.
return NULL;
}
// If using Wintab but no button event is currently active, fall through to default handling
}
system->getCursorPosition(x_screen, y_screen);
@ -1076,7 +1167,7 @@ GHOST_EventCursor *GHOST_SystemWin32::processCursorEvent(GHOST_WindowWin32 *wind
window,
x_screen + x_accum,
y_screen + y_accum,
window->getTabletData());
GHOST_TABLET_DATA_NONE);
}
}
else {
@ -1085,7 +1176,7 @@ GHOST_EventCursor *GHOST_SystemWin32::processCursorEvent(GHOST_WindowWin32 *wind
window,
x_screen,
y_screen,
window->getTabletData());
GHOST_TABLET_DATA_NONE);
}
return NULL;
}
@ -1202,7 +1293,6 @@ GHOST_Event *GHOST_SystemWin32::processWindowEvent(GHOST_TEventType type,
if (type == GHOST_kEventWindowActivate) {
system->getWindowManager()->setActiveWindow(window);
window->bringTabletContextToFront();
}
return new GHOST_Event(system->getMilliSeconds(), type, window);
@ -1230,6 +1320,19 @@ GHOST_TSuccess GHOST_SystemWin32::pushDragDropEvent(GHOST_TEventType eventType,
system->getMilliSeconds(), eventType, draggedObjectType, window, mouseX, mouseY, data));
}
void GHOST_SystemWin32::setTabletAPI(GHOST_TTabletAPI api)
{
GHOST_System::setTabletAPI(api);
GHOST_WindowManager *wm = getWindowManager();
GHOST_WindowWin32 *activeWindow = (GHOST_WindowWin32 *)wm->getActiveWindow();
for (GHOST_IWindow *win : wm->getWindows()) {
GHOST_WindowWin32 *windowsWindow = (GHOST_WindowWin32 *)win;
windowsWindow->updateWintab(windowsWindow == activeWindow);
}
}
void GHOST_SystemWin32::processMinMaxInfo(MINMAXINFO *minmax)
{
minmax->ptMinTrackSize.x = 320;
@ -1467,15 +1570,17 @@ LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam,
}
break;
////////////////////////////////////////////////////////////////////////
// Tablet events, processed
// Wintab events, processed
////////////////////////////////////////////////////////////////////////
case WT_PACKET:
window->processWin32TabletEvent(wParam, lParam);
case WT_INFOCHANGE: {
window->processWintabInfoChangeEvent(lParam);
break;
case WT_CSRCHANGE:
case WT_PROXIMITY:
window->processWin32TabletInitEvent();
}
case WT_PROXIMITY: {
bool inRange = LOWORD(lParam);
window->processWintabProximityEvent(inRange);
break;
}
////////////////////////////////////////////////////////////////////////
// Pointer events, processed
////////////////////////////////////////////////////////////////////////
@ -1614,7 +1719,9 @@ LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam,
* will not be dispatched to OUR active window if we minimize one of OUR windows. */
if (LOWORD(wParam) == WA_INACTIVE)
window->lostMouseCapture();
window->processWin32TabletActivateEvent(GET_WM_ACTIVATE_STATE(wParam, lParam));
window->updateWintab(LOWORD(wParam) != WA_INACTIVE);
lResult = ::DefWindowProc(hwnd, msg, wParam, lParam);
break;
}
@ -1672,6 +1779,11 @@ LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam,
else {
event = processWindowEvent(GHOST_kEventWindowSize, window);
}
if (msg == WM_SIZE && wParam == SIZE_MINIMIZED) {
window->updateWintab(false);
}
break;
case WM_CAPTURECHANGED:
window->lostMouseCapture();
@ -1722,6 +1834,12 @@ LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam,
SWP_NOZORDER | SWP_NOACTIVATE);
}
break;
case WM_DISPLAYCHANGE:
for (GHOST_IWindow *iter_win : system->getWindowManager()->getWindows()) {
GHOST_WindowWin32 *iter_win32win = (GHOST_WindowWin32 *)iter_win;
iter_win32win->processWintabDisplayChangeEvent();
}
break;
////////////////////////////////////////////////////////////////////////
// Window events, ignored
////////////////////////////////////////////////////////////////////////

10
intern/ghost/intern/GHOST_SystemWin32.h
View File

@ -265,6 +265,16 @@ class GHOST_SystemWin32 : public GHOST_System {
int mouseY,
void *data);
/***************************************************************************************
** Modify tablet API
***************************************************************************************/
/**
* Set which tablet API to use.
* \param api Enum indicating which API to use.
*/
void setTabletAPI(GHOST_TTabletAPI api) override;
protected:
/**
* Initializes the system.

461
intern/ghost/intern/GHOST_WindowWin32.cpp
View File

@ -81,6 +81,7 @@ GHOST_WindowWin32::GHOST_WindowWin32(GHOST_SystemWin32 *system,
m_nPressedButtons(0),
m_customCursor(0),
m_wantAlphaBackground(alphaBackground),
m_wintab(),
m_normal_state(GHOST_kWindowStateNormal),
m_user32(NULL),
m_fpGetPointerInfoHistory(NULL),
@ -89,10 +90,6 @@ GHOST_WindowWin32::GHOST_WindowWin32(GHOST_SystemWin32 *system,
m_parentWindowHwnd(parentwindow ? parentwindow->m_hWnd : NULL),
m_debug_context(is_debug)
{
// Initialize tablet variables
memset(&m_wintab, 0, sizeof(m_wintab));
m_tabletData = GHOST_TABLET_DATA_NONE;
// Create window
if (state != GHOST_kWindowStateFullScreen) {
RECT rect;
@ -297,66 +294,25 @@ GHOST_WindowWin32::GHOST_WindowWin32(GHOST_SystemWin32 *system,
m_user32, "GetPointerTouchInfoHistory");
}
// Initialize Wintab
m_wintab.handle = ::LoadLibrary("Wintab32.dll");
if (m_wintab.handle && m_system->getTabletAPI() != GHOST_kTabletNative) {
// Get API functions
m_wintab.info = (GHOST_WIN32_WTInfo)::GetProcAddress(m_wintab.handle, "WTInfoA");
m_wintab.open = (GHOST_WIN32_WTOpen)::GetProcAddress(m_wintab.handle, "WTOpenA");
m_wintab.close = (GHOST_WIN32_WTClose)::GetProcAddress(m_wintab.handle, "WTClose");
m_wintab.packet = (GHOST_WIN32_WTPacket)::GetProcAddress(m_wintab.handle, "WTPacket");
m_wintab.enable = (GHOST_WIN32_WTEnable)::GetProcAddress(m_wintab.handle, "WTEnable");
m_wintab.overlap = (GHOST_WIN32_WTOverlap)::GetProcAddress(m_wintab.handle, "WTOverlap");
// Let's see if we can initialize tablet here.
// Check if WinTab available by getting system context info.
LOGCONTEXT lc = {0};
lc.lcOptions |= CXO_SYSTEM;
if (m_wintab.open && m_wintab.info && m_wintab.info(WTI_DEFSYSCTX, 0, &lc)) {
// Now init the tablet
/* The maximum tablet size, pressure and orientation (tilt) */
AXIS TabletX, TabletY, Pressure, Orientation[3];
// Open a Wintab context
// Open the context
lc.lcPktData = PACKETDATA;
lc.lcPktMode = PACKETMODE;
lc.lcOptions |= CXO_MESSAGES;
lc.lcMoveMask = PACKETDATA;
/* Set the entire tablet as active */
m_wintab.info(WTI_DEVICES, DVC_X, &TabletX);
m_wintab.info(WTI_DEVICES, DVC_Y, &TabletY);
/* get the max pressure, to divide into a float */
BOOL pressureSupport = m_wintab.info(WTI_DEVICES, DVC_NPRESSURE, &Pressure);
if (pressureSupport)
m_wintab.maxPressure = Pressure.axMax;
else
m_wintab.maxPressure = 0;
/* get the max tilt axes, to divide into floats */
BOOL tiltSupport = m_wintab.info(WTI_DEVICES, DVC_ORIENTATION, &Orientation);
if (tiltSupport) {
/* does the tablet support azimuth ([0]) and altitude ([1]) */
if (Orientation[0].axResolution && Orientation[1].axResolution) {
/* all this assumes the minimum is 0 */
m_wintab.maxAzimuth = Orientation[0].axMax;
m_wintab.maxAltitude = Orientation[1].axMax;
}
else { /* no so dont do tilt stuff */
m_wintab.maxAzimuth = m_wintab.maxAltitude = 0;
}
}
// The Wintab spec says we must open the context disabled if we are using cursor masks.
m_wintab.tablet = m_wintab.open(m_hWnd, &lc, FALSE);
if (m_wintab.enable && m_wintab.tablet) {
m_wintab.enable(m_wintab.tablet, TRUE);
}
}
if ((m_wintab.handle = ::LoadLibrary("Wintab32.dll")) &&
(m_wintab.info = (GHOST_WIN32_WTInfo)::GetProcAddress(m_wintab.handle, "WTInfoA")) &&
(m_wintab.open = (GHOST_WIN32_WTOpen)::GetProcAddress(m_wintab.handle, "WTOpenA")) &&
(m_wintab.get = (GHOST_WIN32_WTGet)::GetProcAddress(m_wintab.handle, "WTGetA")) &&
(m_wintab.set = (GHOST_WIN32_WTSet)::GetProcAddress(m_wintab.handle, "WTSetA")) &&
(m_wintab.close = (GHOST_WIN32_WTClose)::GetProcAddress(m_wintab.handle, "WTClose")) &&
(m_wintab.packetsGet = (GHOST_WIN32_WTPacketsGet)::GetProcAddress(m_wintab.handle,
"WTPacketsGet")) &&
(m_wintab.queueSizeGet = (GHOST_WIN32_WTQueueSizeGet)::GetProcAddress(m_wintab.handle,
"WTQueueSizeGet")) &&
(m_wintab.queueSizeSet = (GHOST_WIN32_WTQueueSizeSet)::GetProcAddress(m_wintab.handle,
"WTQueueSizeSet")) &&
(m_wintab.enable = (GHOST_WIN32_WTEnable)::GetProcAddress(m_wintab.handle, "WTEnable")) &&
(m_wintab.overlap = (GHOST_WIN32_WTOverlap)::GetProcAddress(m_wintab.handle, "WTOverlap"))) {
initializeWintab();
// Determine which tablet API to use and enable it.
updateWintab(true);
}
CoCreateInstance(
CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, (LPVOID *)&m_Bar);
}
@ -370,8 +326,8 @@ GHOST_WindowWin32::~GHOST_WindowWin32()
}
if (m_wintab.handle) {
if (m_wintab.close && m_wintab.tablet) {
m_wintab.close(m_wintab.tablet);
if (m_wintab.close && m_wintab.context) {
m_wintab.close(m_wintab.context);
}
FreeLibrary(m_wintab.handle);
@ -819,6 +775,27 @@ bool GHOST_WindowWin32::getMousePressed() const
return m_nPressedButtons;
}
bool GHOST_WindowWin32::wintabSysButPressed() const
{
return m_wintab.numSysButtons;
}
void GHOST_WindowWin32::updateWintabSysBut(GHOST_MouseCaptureEventWin32 event)
{
switch (event) {
case MousePressed:
m_wintab.numSysButtons++;
break;
case MouseReleased:
if (m_wintab.numSysButtons)
m_wintab.numSysButtons--;
break;
case OperatorGrab:
case OperatorUngrab:
break;
}
}
HCURSOR GHOST_WindowWin32::getStandardCursor(GHOST_TStandardCursor shape) const
{
// Convert GHOST cursor to Windows OEM cursor
@ -1022,6 +999,103 @@ GHOST_TSuccess GHOST_WindowWin32::hasCursorShape(GHOST_TStandardCursor cursorSha
return (getStandardCursor(cursorShape)) ? GHOST_kSuccess : GHOST_kFailure;
}
void GHOST_WindowWin32::updateWintab(bool active)
{
if (m_wintab.enable && m_wintab.overlap && m_wintab.context) {
bool useWintab = useTabletAPI(GHOST_kTabletWintab);
bool enable = active && useWintab;
// Disabling context while the Window is not minimized can cause issues on receiving Wintab
// input while changing a window for some drivers, so only disable if either Wintab had been
// disabled or the window is minimized.
m_wintab.enable(m_wintab.context, useWintab && !::IsIconic(m_hWnd));
m_wintab.overlap(m_wintab.context, enable);
if (!enable) {
// WT_PROXIMITY event doesn't occur unless tablet's cursor leaves the proximity while the
// window is active.
m_tabletInRange = false;
m_wintab.numSysButtons = 0;
m_wintab.sysButtonsPressed = 0;
}
}
}
void GHOST_WindowWin32::initializeWintab()
{
// return if wintab library handle doesn't exist or wintab is already initialized
if (!m_wintab.handle || m_wintab.context) {
return;
}
// Let's see if we can initialize tablet here.
// Check if WinTab available by getting system context info.
LOGCONTEXT lc = {0};
if (m_wintab.open && m_wintab.info && m_wintab.queueSizeGet && m_wintab.queueSizeSet &&
m_wintab.info(WTI_DEFSYSCTX, 0, &lc)) {
// Now init the tablet
/* The pressure and orientation (tilt) */
AXIS Pressure, Orientation[3];
// Open a Wintab context
// Open the context
lc.lcPktData = PACKETDATA;
lc.lcPktMode = PACKETMODE;
lc.lcMoveMask = PACKETDATA;
// Wacom maps y origin to the tablet's bottom
// Invert to match Windows y origin mapping to the screen top
lc.lcOutExtY = -lc.lcOutExtY;
m_wintab.info(WTI_INTERFACE, IFC_NDEVICES, &m_wintab.numDevices);
/* get the max pressure, to divide into a float */
BOOL pressureSupport = m_wintab.info(WTI_DEVICES, DVC_NPRESSURE, &Pressure);
m_wintab.maxPressure = pressureSupport ? Pressure.axMax : 0;
/* get the max tilt axes, to divide into floats */
BOOL tiltSupport = m_wintab.info(WTI_DEVICES, DVC_ORIENTATION, &Orientation);
/* does the tablet support azimuth ([0]) and altitude ([1]) */
if (tiltSupport && Orientation[0].axResolution && Orientation[1].axResolution) {
/* all this assumes the minimum is 0 */
m_wintab.maxAzimuth = Orientation[0].axMax;
m_wintab.maxAltitude = Orientation[1].axMax;
}
else { /* no so dont do tilt stuff */
m_wintab.maxAzimuth = m_wintab.maxAltitude = 0;
}
// The Wintab spec says we must open the context disabled if we are using cursor masks.
m_wintab.context = m_wintab.open(m_hWnd, &lc, FALSE);
// Wintab provides no way to determine the maximum queue size aside from checking if attempts
// to change the queue size are successful.
const int maxQueue = 500;
int queueSize = m_wintab.queueSizeGet(m_wintab.context);
while (queueSize < maxQueue) {
int testSize = min(queueSize + 16, maxQueue);
if (m_wintab.queueSizeSet(m_wintab.context, testSize)) {
queueSize = testSize;
}
else {
/* From Windows Wintab Documentation for WTQueueSizeSet:
* "If the return value is zero, the context has no queue because the function deletes the
* original queue before attempting to create a new one. The application must continue
* calling the function with a smaller queue size until the function returns a non - zero
* value."
*
* In our case we start with a known valid queue size and in the event of failure roll
* back to the last valid queue size.
*/
m_wintab.queueSizeSet(m_wintab.context, queueSize);
break;
}
}
m_wintab.pkts.resize(queueSize);
}
}
GHOST_TSuccess GHOST_WindowWin32::getPointerInfo(
std::vector<GHOST_PointerInfoWin32> &outPointerInfo, WPARAM wParam, LPARAM lParam)
{
@ -1104,28 +1178,20 @@ GHOST_TSuccess GHOST_WindowWin32::getPointerInfo(
return GHOST_kSuccess;
}
void GHOST_WindowWin32::setTabletData(GHOST_TabletData *pTabletData)
void GHOST_WindowWin32::processWintabDisplayChangeEvent()
{
if (pTabletData) {
m_tabletData = *pTabletData;
}
else {
m_tabletData = GHOST_TABLET_DATA_NONE;
}
}
LOGCONTEXT lc_sys = {0}, lc_curr = {0};
void GHOST_WindowWin32::processWin32TabletActivateEvent(WORD state)
{
if (!useTabletAPI(GHOST_kTabletWintab)) {
return;
}
if (m_wintab.info && m_wintab.get && m_wintab.set && m_wintab.info(WTI_DEFSYSCTX, 0, &lc_sys)) {
if (m_wintab.enable && m_wintab.tablet) {
m_wintab.enable(m_wintab.tablet, state);
m_wintab.get(m_wintab.context, &lc_curr);
if (m_wintab.overlap && state) {
m_wintab.overlap(m_wintab.tablet, TRUE);
}
lc_curr.lcOutOrgX = lc_sys.lcOutOrgX;
lc_curr.lcOutOrgY = lc_sys.lcOutOrgY;
lc_curr.lcOutExtX = lc_sys.lcOutExtX;
lc_curr.lcOutExtY = -lc_sys.lcOutExtY;
m_wintab.set(m_wintab.context, &lc_curr);
}
}
@ -1135,7 +1201,7 @@ bool GHOST_WindowWin32::useTabletAPI(GHOST_TTabletAPI api) const
return true;
}
else if (m_system->getTabletAPI() == GHOST_kTabletAutomatic) {
if (m_wintab.tablet)
if (m_wintab.numDevices)
return api == GHOST_kTabletWintab;
else
return api == GHOST_kTabletNative;
@ -1145,115 +1211,180 @@ bool GHOST_WindowWin32::useTabletAPI(GHOST_TTabletAPI api) const
}
}
void GHOST_WindowWin32::processWin32TabletInitEvent()
void GHOST_WindowWin32::processWintabProximityEvent(bool inRange)
{
if (!useTabletAPI(GHOST_kTabletWintab)) {
return;
}
// Let's see if we can initialize tablet here
if (m_wintab.info && m_wintab.tablet) {
if (m_wintab.info && m_wintab.context) {
AXIS Pressure, Orientation[3]; /* The maximum tablet size */
BOOL pressureSupport = m_wintab.info(WTI_DEVICES, DVC_NPRESSURE, &Pressure);
if (pressureSupport)
m_wintab.maxPressure = Pressure.axMax;
else
m_wintab.maxPressure = 0;
m_wintab.maxPressure = pressureSupport ? Pressure.axMax : 0;
BOOL tiltSupport = m_wintab.info(WTI_DEVICES, DVC_ORIENTATION, &Orientation);
if (tiltSupport) {
/* does the tablet support azimuth ([0]) and altitude ([1]) */
if (Orientation[0].axResolution && Orientation[1].axResolution) {
m_wintab.maxAzimuth = Orientation[0].axMax;
m_wintab.maxAltitude = Orientation[1].axMax;
}
else { /* no so dont do tilt stuff */
m_wintab.maxAzimuth = m_wintab.maxAltitude = 0;
}
/* does the tablet support azimuth ([0]) and altitude ([1]) */
if (tiltSupport && Orientation[0].axResolution && Orientation[1].axResolution) {
m_wintab.maxAzimuth = Orientation[0].axMax;
m_wintab.maxAltitude = Orientation[1].axMax;
}
else { /* no so dont do tilt stuff */
m_wintab.maxAzimuth = m_wintab.maxAltitude = 0;
}
}
m_tabletData.Active = GHOST_kTabletModeNone;
m_tabletInRange = inRange;
}
void GHOST_WindowWin32::processWin32TabletEvent(WPARAM wParam, LPARAM lParam)
void GHOST_WindowWin32::processWintabInfoChangeEvent(LPARAM lParam)
{
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)GHOST_System::getSystem();
// Update number of connected Wintab digitizers
if (LOWORD(lParam) == WTI_INTERFACE && HIWORD(lParam) == IFC_NDEVICES) {
m_wintab.info(WTI_INTERFACE, IFC_NDEVICES, &m_wintab.numDevices);
updateWintab((GHOST_WindowWin32 *)system->getWindowManager()->getActiveWindow() == this);
}
}
GHOST_TSuccess GHOST_WindowWin32::wintabMouseToGhost(UINT cursor,
DWORD physicalButton,
GHOST_TButtonMask &ghostButton)
{
const DWORD numButtons = 32;
BYTE logicalButtons[numButtons] = {0};
BYTE systemButtons[numButtons] = {0};
m_wintab.info(WTI_CURSORS + cursor, CSR_BUTTONMAP, &logicalButtons);
m_wintab.info(WTI_CURSORS + cursor, CSR_SYSBTNMAP, &systemButtons);
if (physicalButton >= numButtons) {
return GHOST_kFailure;
}
BYTE lb = logicalButtons[physicalButton];
if (lb >= numButtons) {
return GHOST_kFailure;
}
switch (systemButtons[lb]) {
case SBN_LCLICK:
ghostButton = GHOST_kButtonMaskLeft;
return GHOST_kSuccess;
case SBN_RCLICK:
ghostButton = GHOST_kButtonMaskRight;
return GHOST_kSuccess;
case SBN_MCLICK:
ghostButton = GHOST_kButtonMaskMiddle;
return GHOST_kSuccess;
default:
return GHOST_kFailure;
}
}
GHOST_TSuccess GHOST_WindowWin32::getWintabInfo(std::vector<GHOST_WintabInfoWin32> &outWintabInfo)
{
if (!useTabletAPI(GHOST_kTabletWintab)) {
return;
return GHOST_kFailure;
}
if (m_wintab.packet && m_wintab.tablet) {
PACKET pkt;
if (m_wintab.packet((HCTX)lParam, wParam, &pkt)) {
switch (pkt.pkCursor % 3) { /* % 3 for multiple devices ("DualTrack") */
case 0:
m_tabletData.Active = GHOST_kTabletModeNone; /* puck - not yet supported */
break;
case 1:
m_tabletData.Active = GHOST_kTabletModeStylus; /* stylus */
break;
case 2:
m_tabletData.Active = GHOST_kTabletModeEraser; /* eraser */
break;
}
if (!(m_wintab.packetsGet && m_wintab.context)) {
return GHOST_kFailure;
}
if (m_wintab.maxPressure > 0) {
m_tabletData.Pressure = (float)pkt.pkNormalPressure / (float)m_wintab.maxPressure;
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)GHOST_System::getSystem();
const int numPackets = m_wintab.packetsGet(
m_wintab.context, m_wintab.pkts.size(), m_wintab.pkts.data());
outWintabInfo.resize(numPackets);
for (int i = 0; i < numPackets; i++) {
PACKET pkt = m_wintab.pkts[i];
GHOST_TabletData tabletData = GHOST_TABLET_DATA_NONE;
switch (pkt.pkCursor % 3) { /* % 3 for multiple devices ("DualTrack") */
case 0:
tabletData.Active = GHOST_kTabletModeNone; /* puck - not yet supported */
break;
case 1:
tabletData.Active = GHOST_kTabletModeStylus; /* stylus */
break;
case 2:
tabletData.Active = GHOST_kTabletModeEraser; /* eraser */
break;
}
if (m_wintab.maxPressure > 0) {
tabletData.Pressure = (float)pkt.pkNormalPressure / (float)m_wintab.maxPressure;
}
if ((m_wintab.maxAzimuth > 0) && (m_wintab.maxAltitude > 0)) {
ORIENTATION ort = pkt.pkOrientation;
float vecLen;
float altRad, azmRad; /* in radians */
/*
* from the wintab spec:
* orAzimuth Specifies the clockwise rotation of the
* cursor about the z axis through a full circular range.
*
* orAltitude Specifies the angle with the x-y plane
* through a signed, semicircular range. Positive values
* specify an angle upward toward the positive z axis;
* negative values specify an angle downward toward the negative z axis.
*
* wintab.h defines .orAltitude as a UINT but documents .orAltitude
* as positive for upward angles and negative for downward angles.
* WACOM uses negative altitude values to show that the pen is inverted;
* therefore we cast .orAltitude as an (int) and then use the absolute value.
*/
/* convert raw fixed point data to radians */
altRad = (float)((fabs((float)ort.orAltitude) / (float)m_wintab.maxAltitude) * M_PI / 2.0);
azmRad = (float)(((float)ort.orAzimuth / (float)m_wintab.maxAzimuth) * M_PI * 2.0);
/* find length of the stylus' projected vector on the XY plane */
vecLen = cos(altRad);
/* from there calculate X and Y components based on azimuth */
tabletData.Xtilt = sin(azmRad) * vecLen;
tabletData.Ytilt = (float)(sin(M_PI / 2.0 - azmRad) * vecLen);
}
outWintabInfo[i].x = pkt.pkX;
outWintabInfo[i].y = pkt.pkY;
// Some Wintab libraries don't handle relative button input correctly, so we track button
// presses manually.
DWORD buttonsChanged = m_wintab.sysButtonsPressed ^ pkt.pkButtons;
// Find the index for the changed button from the button map.
DWORD physicalButton = 0;
for (DWORD diff = (unsigned)buttonsChanged >> 1; diff > 0; diff = (unsigned)diff >> 1) {
physicalButton++;
}
if (buttonsChanged &&
wintabMouseToGhost(pkt.pkCursor, physicalButton, outWintabInfo[i].button)) {
if (buttonsChanged & pkt.pkButtons) {
outWintabInfo[i].type = GHOST_kEventButtonDown;
}
else {
m_tabletData.Pressure = 1.0f;
}
if ((m_wintab.maxAzimuth > 0) && (m_wintab.maxAltitude > 0)) {
ORIENTATION ort = pkt.pkOrientation;
float vecLen;
float altRad, azmRad; /* in radians */
/*
* from the wintab spec:
* orAzimuth Specifies the clockwise rotation of the
* cursor about the z axis through a full circular range.
*
* orAltitude Specifies the angle with the x-y plane
* through a signed, semicircular range. Positive values
* specify an angle upward toward the positive z axis;
* negative values specify an angle downward toward the negative z axis.
*
* wintab.h defines .orAltitude as a UINT but documents .orAltitude
* as positive for upward angles and negative for downward angles.
* WACOM uses negative altitude values to show that the pen is inverted;
* therefore we cast .orAltitude as an (int) and then use the absolute value.
*/
/* convert raw fixed point data to radians */
altRad = (float)((fabs((float)ort.orAltitude) / (float)m_wintab.maxAltitude) * M_PI / 2.0);
azmRad = (float)(((float)ort.orAzimuth / (float)m_wintab.maxAzimuth) * M_PI * 2.0);
/* find length of the stylus' projected vector on the XY plane */
vecLen = cos(altRad);
/* from there calculate X and Y components based on azimuth */
m_tabletData.Xtilt = sin(azmRad) * vecLen;
m_tabletData.Ytilt = (float)(sin(M_PI / 2.0 - azmRad) * vecLen);
}
else {
m_tabletData.Xtilt = 0.0f;
m_tabletData.Ytilt = 0.0f;
outWintabInfo[i].type = GHOST_kEventButtonUp;
}
}
}
}
else {
outWintabInfo[i].type = GHOST_kEventCursorMove;
}
void GHOST_WindowWin32::bringTabletContextToFront()
{
if (!useTabletAPI(GHOST_kTabletWintab)) {
return;
m_wintab.sysButtonsPressed = pkt.pkButtons;
// Wintab does not support performance counters, so use low frequency counter instead
outWintabInfo[i].time = system->tickCountToMillis(pkt.pkTime);
outWintabInfo[i].tabletData = tabletData;
}
if (m_wintab.overlap && m_wintab.tablet) {
m_wintab.overlap(m_wintab.tablet, TRUE);
}
return GHOST_kSuccess;
}
GHOST_TUns16 GHOST_WindowWin32::getDPIHint()

118
intern/ghost/intern/GHOST_WindowWin32.h
View File

@ -37,8 +37,9 @@
#include <vector>
#include <wintab.h>
#define PACKETDATA (PK_BUTTONS | PK_NORMAL_PRESSURE | PK_ORIENTATION | PK_CURSOR)
#define PACKETMODE PK_BUTTONS
#define PACKETDATA \
(PK_BUTTONS | PK_NORMAL_PRESSURE | PK_ORIENTATION | PK_CURSOR | PK_X | PK_Y | PK_TIME)
#define PACKETMODE 0
#include <pktdef.h>
class GHOST_SystemWin32;
@ -46,9 +47,13 @@ class GHOST_DropTargetWin32;
// typedefs for WinTab functions to allow dynamic loading
typedef UINT(API *GHOST_WIN32_WTInfo)(UINT, UINT, LPVOID);
typedef BOOL(API *GHOST_WIN32_WTGet)(HCTX, LPLOGCONTEXTA);
typedef BOOL(API *GHOST_WIN32_WTSet)(HCTX, LPLOGCONTEXTA);
typedef HCTX(API *GHOST_WIN32_WTOpen)(HWND, LPLOGCONTEXTA, BOOL);
typedef BOOL(API *GHOST_WIN32_WTClose)(HCTX);
typedef BOOL(API *GHOST_WIN32_WTPacket)(HCTX, UINT, LPVOID);
typedef BOOL(API *GHOST_WIN32_WTPacketsGet)(HCTX, int, LPVOID);
typedef int(API *GHOST_WIN32_WTQueueSizeGet)(HCTX);
typedef BOOL(API *GHOST_WIN32_WTQueueSizeSet)(HCTX, int);
typedef BOOL(API *GHOST_WIN32_WTEnable)(HCTX, BOOL);
typedef BOOL(API *GHOST_WIN32_WTOverlap)(HCTX, BOOL);
@ -229,7 +234,14 @@ struct GHOST_PointerInfoWin32 {
GHOST_TButtonMask buttonMask;
POINT pixelLocation;
GHOST_TUns64 time;
GHOST_TabletData tabletData;
};
struct GHOST_WintabInfoWin32 {
GHOST_TInt32 x, y;
GHOST_TEventType type;
GHOST_TButtonMask button;
GHOST_TUns64 time;
GHOST_TabletData tabletData;
};
@ -423,12 +435,16 @@ class GHOST_WindowWin32 : public GHOST_Window {
HCURSOR getStandardCursor(GHOST_TStandardCursor shape) const;
void loadCursor(bool visible, GHOST_TStandardCursor cursorShape) const;
const GHOST_TabletData &getTabletData()
{
return m_tabletData;
}
/**
* Handle setup and switch between Wintab and Pointer APIs
* \param active Whether the window is or will be in an active state
*/
void updateWintab(bool active);
void setTabletData(GHOST_TabletData *tabletData);
/**
* Query whether given tablet API should be used.
* \param api Tablet API to test.
*/
bool useTabletAPI(GHOST_TTabletAPI api) const;
/**
@ -441,10 +457,28 @@ class GHOST_WindowWin32 : public GHOST_Window {
WPARAM wParam,
LPARAM lParam);
void processWin32TabletActivateEvent(WORD state);
void processWin32TabletInitEvent();
void processWin32TabletEvent(WPARAM wParam, LPARAM lParam);
void bringTabletContextToFront();
/**
* Handle Wintab coordinate changes when DisplayChange events occur.
*/
void processWintabDisplayChangeEvent();
/**
* Set tablet details when a cursor enters range
*/
void processWintabProximityEvent(bool inRange);
/**
* Handle Wintab info changes such as change in number of connected tablets.
* \param lParam LPARAM of the event
*/
void processWintabInfoChangeEvent(LPARAM lParam);
/**
* Translate Wintab packets into GHOST_WintabInfoWin32 structs.
* \param outWintabInfo Storage to return resulting GHOST_WintabInfoWin32 structs
* \return Success if able to read packets, even if there are none
*/
GHOST_TSuccess getWintabInfo(std::vector<GHOST_WintabInfoWin32> &outWintabInfo);
GHOST_TSuccess beginFullScreen() const
{
@ -464,6 +498,19 @@ class GHOST_WindowWin32 : public GHOST_Window {
*/
bool getMousePressed() const;
/**
* Get if there are currently pressed Wintab buttons associated to a Windows mouse button press
* \return True if there are currently any pressed Wintab buttons associated to a Windows
* mouse button press
*/
bool wintabSysButPressed() const;
/**
* Register a Wintab button has been associated to a Windows mouse button press
* \param event Whether the button was pressed or released
*/
void updateWintabSysBut(GHOST_MouseCaptureEventWin32 event);
/** Whether a tablet stylus is being tracked */
bool m_tabletInRange;
@ -547,28 +594,49 @@ class GHOST_WindowWin32 : public GHOST_Window {
static const wchar_t *s_windowClassName;
static const int s_maxTitleLength;
/** Tablet data for GHOST */
GHOST_TabletData m_tabletData;
/* Wintab API */
struct {
/** WinTab dll handle */
HMODULE handle;
HMODULE handle = NULL;
/** API functions */
GHOST_WIN32_WTInfo info;
GHOST_WIN32_WTOpen open;
GHOST_WIN32_WTClose close;
GHOST_WIN32_WTPacket packet;
GHOST_WIN32_WTEnable enable;
GHOST_WIN32_WTOverlap overlap;
GHOST_WIN32_WTInfo info = NULL;
GHOST_WIN32_WTGet get = NULL;
GHOST_WIN32_WTSet set = NULL;
GHOST_WIN32_WTOpen open = NULL;
GHOST_WIN32_WTClose close = NULL;
GHOST_WIN32_WTPacketsGet packetsGet = NULL;
GHOST_WIN32_WTQueueSizeGet queueSizeGet = NULL;
GHOST_WIN32_WTQueueSizeSet queueSizeSet = NULL;
GHOST_WIN32_WTEnable enable = NULL;
GHOST_WIN32_WTOverlap overlap = NULL;
/** Stores the Tablet context if detected Tablet features using WinTab.dll */
HCTX tablet;
LONG maxPressure;
LONG maxAzimuth, maxAltitude;
HCTX context = NULL;
/** Number of connected Wintab digitizers */
UINT numDevices = 0;
/** Number of cursors currently in contact mapped to system buttons */
GHOST_TUns8 numSysButtons = 0;
/** Cursors currently in contact mapped to system buttons */
DWORD sysButtonsPressed = 0;
LONG maxPressure = 0;
LONG maxAzimuth = 0, maxAltitude = 0;
/* Queue size doesn't change once set, so reuse the same buffer */
std::vector<PACKET> pkts;
} m_wintab;
/**
* Wintab setup
*/
void initializeWintab();
/**
* Convert Wintab system mapped (mouse) buttons into Ghost button mask
*/
GHOST_TSuccess wintabMouseToGhost(UINT cursor,
DWORD physicalButton,
GHOST_TButtonMask &buttonMask);
GHOST_TWindowState m_normal_state;
/** user32 dll handle*/