Authors: Chris Morgan <cmorgan@wpi.edu>, James Abbatiello <abbeyj@wpi.edu>
Implemented TME_QUERY and TME_HOVER flags in _TrackMouseEvent and TrackMouseEventProc. Added code to allow addition/cancelation of tracking flags on existing entries rather than create extra entries. Fixed timer. Added check to _TrackMouseEvent to stop timer if the tracking list is empty. Fixed TME_CANCEL. Fixed TME_LEAVE/TME_HOVER when hwndTrack isn't the current hwnd.
This commit is contained in:
Alexandre Julliard
parent
d3b890f66d
commit
2fb5dee6e7
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@ -863,34 +863,85 @@ HRESULT WINAPI COMCTL32_DllInstall(BOOL bInstall, LPCWSTR cmdline)
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return S_OK;
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}
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typedef struct __TRACKINGLIST {
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TRACKMOUSEEVENT tme;
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POINT pos; /* center of hover rectangle */
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INT iHoverTime; /* elapsed time the cursor has been inside of the hover rect */
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} _TRACKINGLIST;
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static _TRACKINGLIST TrackingList[10];
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static int iTrackMax = 0;
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static HWND TrackingList[10];
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static UINT_PTR timer;
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static const INT iTimerInterval = 50; /* msec for timer interval */
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static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent, DWORD dwTime) {
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int i = 0;
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POINT pos;
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HWND hwnd;
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BOOL keepTracking = FALSE;
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GetCursorPos(&pos);
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hwnd = WindowFromPoint(pos);
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/* Loop through the list of windows waiting on mouse exit */
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while (i < iTrackMax) {
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if (TrackingList[i] != hwnd)
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PostMessageA(TrackingList[i], WM_MOUSELEAVE, 0, 0);
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else
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keepTracking = TRUE;
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/* FIXME: need to implement WM_NCMOUSELEAVE and WM_NCMOUSEHOVER for */
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/* TrackMouseEventProc and _TrackMouseEvent */
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static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent,
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DWORD dwTime)
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{
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int i = 0;
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POINT pos;
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HWND hwnd;
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INT hoverwidth = 0, hoverheight = 0;
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GetCursorPos(&pos);
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hwnd = WindowFromPoint(pos);
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i++;
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}
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SystemParametersInfoA(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
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SystemParametersInfoA(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
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/* loop through tracking events we are processing */
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while (i < iTrackMax) {
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/* see if this tracking event is looking for TME_LEAVE and that the */
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/* mouse has left the window */
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if ((TrackingList[i].tme.dwFlags & TME_LEAVE) &&
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(TrackingList[i].tme.hwndTrack != hwnd)) {
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PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
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/* remove the TME_LEAVE flag */
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TrackingList[i].tme.dwFlags ^= TME_LEAVE;
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}
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/* see if we are tracking hovering for this hwnd */
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if(TrackingList[i].tme.dwFlags & TME_HOVER) {
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/* add the timer interval to the hovering time */
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TrackingList[i].iHoverTime+=iTimerInterval;
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/* has the cursor moved outside the rectangle centered around pos? */
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if((abs(pos.x - TrackingList[i].pos.x) > (hoverwidth / 2.0))
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|| (abs(pos.y - TrackingList[i].pos.y) > (hoverheight / 2.0)))
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{
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/* record this new position as the current position and reset */
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/* the iHoverTime variable to 0 */
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TrackingList[i].pos = pos;
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TrackingList[i].iHoverTime = 0;
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}
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/* has the mouse hovered long enough? */
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if(TrackingList[i].iHoverTime <= TrackingList[i].tme.dwHoverTime)
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{
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PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSEHOVER, 0, 0);
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/* stop tracking mouse hover */
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TrackingList[i].tme.dwFlags ^= TME_HOVER;
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}
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}
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/* see if we are still tracking TME_HOVER or TME_LEAVE for this entry */
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if((TrackingList[i].tme.dwFlags & TME_HOVER) ||
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(TrackingList[i].tme.dwFlags & TME_LEAVE)) {
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i++;
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} else { /* remove this entry from the tracking list */
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TrackingList[i] = TrackingList[--iTrackMax];
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}
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}
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if (keepTracking) {
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iTrackMax = 1;
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TrackingList[0] = hwnd;
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}
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else
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KillTimer(0, timer);
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/* stop the timer if the tracking list is empty */
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if(iTrackMax == 0) {
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KillTimer(0, timer);
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timer = 0;
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}
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}
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/***********************************************************************
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@ -898,6 +949,14 @@ static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR id
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*
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* Requests notification of mouse events
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*
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* During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
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* to the hwnd specified in the ptme structure. After the event message
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* is posted to the hwnd, the entry in the queue is removed.
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*
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* If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
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* ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
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* immediately and the TME_LEAVE flag being ignored.
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*
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* PARAMS
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* ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
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*
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@ -911,55 +970,136 @@ BOOL WINAPI
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_TrackMouseEvent (TRACKMOUSEEVENT *ptme)
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{
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DWORD flags = 0;
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int i;
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BOOL cancel = 0, hover = 0, leave = 0, query = 0;
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if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
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WARN("wrong TRACKMOUSEEVENT size from app");
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return E_INVALIDARG;
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}
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int i = 0;
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BOOL cancel = 0, hover = 0, leave = 0, query = 0;
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HWND hwnd;
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POINT pos;
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pos.x = 0;
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pos.y = 0;
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TRACE("%lx, %lx, %x, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
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flags = ptme->dwFlags;
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if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
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WARN("wrong TRACKMOUSEEVENT size from app");
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SetLastError(ERROR_INVALID_PARAMETER); /* FIXME not sure if this is correct */
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return FALSE;
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}
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flags = ptme->dwFlags;
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/* if HOVER_DEFAULT was specified replace this with the systems current value */
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if(ptme->dwHoverTime == HOVER_DEFAULT)
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SystemParametersInfoA(SPI_GETMOUSEHOVERTIME, 0, &(ptme->dwHoverTime), 0);
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GetCursorPos(&pos);
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hwnd = WindowFromPoint(pos);
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if ( flags & TME_CANCEL ) {
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cancel = 1;
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flags &= ~ TME_CANCEL;
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}
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flags &= ~ TME_CANCEL;
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cancel = 1;
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}
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if ( flags & TME_HOVER ) {
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hover = 1;
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flags &= ~ TME_HOVER;
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FIXME("TME_HOVER unimplemented\n" );
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}
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flags &= ~ TME_HOVER;
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hover = 1;
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}
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if ( flags & TME_LEAVE ) {
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leave = 1;
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flags &= ~ TME_LEAVE;
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}
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flags &= ~ TME_LEAVE;
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leave = 1;
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}
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/* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
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if ( flags & TME_QUERY ) {
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query = 1;
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flags &= ~ TME_QUERY;
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FIXME("TME_QUERY unimplemented\n" );
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}
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flags &= ~ TME_QUERY;
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query = 1;
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i = 0;
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if ( flags )
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FIXME("Unknown flag(s) %ld\n", flags & ~(TME_CANCEL | TME_HOVER | TME_LEAVE | TME_QUERY) );
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/* Find the tracking list entry with the matching hwnd */
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while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
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i++;
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}
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if (leave) {
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if (cancel) {
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for (i = 0; i < iTrackMax; i++)
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if (TrackingList[i] == ptme->hwndTrack)
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TrackingList[i] = TrackingList[--iTrackMax];
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}
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else {
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if (iTrackMax == sizeof (TrackingList) / sizeof *TrackingList)
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return FALSE;
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/* hwnd found, fill in the ptme struct */
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if(i < iTrackMax)
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*ptme = TrackingList[i].tme;
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else
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ptme->dwFlags = 0;
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return TRUE; /* return here, TME_QUERY is retrieving information */
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}
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/* Add hwndTrack to the track list */
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TrackingList[iTrackMax++] = ptme->hwndTrack;
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if (!timer)
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timer = SetTimer(0, 0, 50, TrackMouseEventProc);
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}
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}
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if ( flags )
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FIXME("Unknown flag(s) %08lx\n", flags );
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return TRUE;
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if(cancel) {
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/* find a matching hwnd if one exists */
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i = 0;
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while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
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i++;
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}
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if(i < iTrackMax) {
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TrackingList[i].tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
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/* if we aren't tracking on hover or leave remove this entry */
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if(!((TrackingList[i].tme.dwFlags & TME_HOVER) ||
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(TrackingList[i].tme.dwFlags & TME_LEAVE)))
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{
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TrackingList[i] = TrackingList[--iTrackMax];
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if(iTrackMax == 0) {
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KillTimer(0, timer);
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timer = 0;
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}
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}
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}
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} else {
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/* see if hwndTrack isn't the current window */
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if(ptme->hwndTrack != hwnd) {
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if(leave) {
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PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
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}
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} else {
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/* See if this hwnd is already being tracked and update the tracking flags */
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for(i = 0; i < iTrackMax; i++) {
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if(TrackingList[i].tme.hwndTrack == ptme->hwndTrack) {
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if(hover) {
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TrackingList[i].tme.dwFlags |= TME_HOVER;
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TrackingList[i].tme.dwHoverTime = ptme->dwHoverTime;
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}
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if(leave)
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TrackingList[i].tme.dwFlags |= TME_LEAVE;
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/* reset iHoverTime as per winapi specs */
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TrackingList[i].iHoverTime = 0;
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return TRUE;
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}
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}
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/* if the tracking list is full return FALSE */
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if (iTrackMax == sizeof (TrackingList) / sizeof(*TrackingList)) {
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return FALSE;
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}
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/* Adding new mouse event to the tracking list */
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TrackingList[iTrackMax].tme = *ptme;
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/* Initialize HoverInfo variables even if not hover tracking */
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TrackingList[iTrackMax].iHoverTime = 0;
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TrackingList[iTrackMax].pos = pos;
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iTrackMax++;
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if (!timer) {
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timer = SetTimer(0, 0, iTimerInterval, TrackMouseEventProc);
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}
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}
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}
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return TRUE;
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}
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