--- trunk/reactos/lib/user32/windows/input.c 2005-07-08 12:13:23 UTC (rev 16507)
+++ trunk/reactos/lib/user32/windows/input.c 2005-07-08 12:15:07 UTC (rev 16508)
@@ -30,6 +30,21 @@
#include <user32.h>
+/* GLOBALS *******************************************************************/
+
+
+typedef struct __TRACKINGLIST {
+ TRACKMOUSEEVENT tme;
+ POINT pos; /* center of hover rectangle */
+ INT iHoverTime; /* elapsed time the cursor has been inside of the hover rect */
+} _TRACKINGLIST;
+
+static _TRACKINGLIST TrackingList[10];
+static int iTrackMax = 0;
+static UINT_PTR timer;
+static const INT iTimerInterval = 50; /* msec for timer interval */
+
+
/* FUNCTIONS *****************************************************************/
@@ -126,13 +141,12 @@
/*
- * @unimplemented
+ * @implemented
*/
SHORT STDCALL
GetAsyncKeyState(int vKey)
{
- UNIMPLEMENTED;
- return 0;
+ return (SHORT) NtUserGetAsyncKeyState((DWORD) vKey);
}
@@ -656,4 +670,339 @@
NtUserSendInput(1, &Input, sizeof(INPUT));
}
+
+/***********************************************************************
+ * get_key_state
+ */
+static WORD get_key_state(void)
+{
+ WORD ret = 0;
+
+ if (GetSystemMetrics( SM_SWAPBUTTON ))
+ {
+ if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_LBUTTON;
+ if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_RBUTTON;
+ }
+ else
+ {
+ if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_LBUTTON;
+ if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_RBUTTON;
+ }
+ if (GetAsyncKeyState(VK_MBUTTON) & 0x80) ret |= MK_MBUTTON;
+ if (GetAsyncKeyState(VK_SHIFT) & 0x80) ret |= MK_SHIFT;
+ if (GetAsyncKeyState(VK_CONTROL) & 0x80) ret |= MK_CONTROL;
+ if (GetAsyncKeyState(VK_XBUTTON1) & 0x80) ret |= MK_XBUTTON1;
+ if (GetAsyncKeyState(VK_XBUTTON2) & 0x80) ret |= MK_XBUTTON2;
+ return ret;
+}
+
+
+static void CALLBACK TrackMouseEventProc(HWND hwndUnused, UINT uMsg, UINT_PTR idEvent,
+ DWORD dwTime)
+{
+ int i = 0;
+ POINT pos;
+ POINT posClient;
+ HWND hwnd;
+ INT nonclient;
+ INT hoverwidth = 0, hoverheight = 0;
+ RECT client;
+
+ GetCursorPos(&pos);
+ hwnd = WindowFromPoint(pos);
+
+ SystemParametersInfoA(SPI_GETMOUSEHOVERWIDTH, 0, &hoverwidth, 0);
+ SystemParametersInfoA(SPI_GETMOUSEHOVERHEIGHT, 0, &hoverheight, 0);
+
+ /* loop through tracking events we are processing */
+ while (i < iTrackMax) {
+ if (TrackingList[i].tme.dwFlags & TME_NONCLIENT) {
+ nonclient = 1;
+ }
+ else {
+ nonclient = 0;
+ }
+
+ /* see if this tracking event is looking for TME_LEAVE and that the */
+ /* mouse has left the window */
+ if (TrackingList[i].tme.dwFlags & TME_LEAVE) {
+ if (TrackingList[i].tme.hwndTrack != hwnd) {
+ if (nonclient) {
+ PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
+ }
+ else {
+ PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
+ }
+
+ /* remove the TME_LEAVE flag */
+ TrackingList[i].tme.dwFlags ^= TME_LEAVE;
+ }
+ else {
+ GetClientRect(hwnd, &client);
+ MapWindowPoints(hwnd, NULL, (LPPOINT)&client, 2);
+ if(PtInRect(&client, pos)) {
+ if (nonclient) {
+ PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
+ /* remove the TME_LEAVE flag */
+ TrackingList[i].tme.dwFlags ^= TME_LEAVE;
+ }
+ }
+ else {
+ if (!nonclient) {
+ PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
+ /* remove the TME_LEAVE flag */
+ TrackingList[i].tme.dwFlags ^= TME_LEAVE;
+ }
+ }
+ }
+ }
+
+ /* see if we are tracking hovering for this hwnd */
+ if(TrackingList[i].tme.dwFlags & TME_HOVER) {
+ /* add the timer interval to the hovering time */
+ TrackingList[i].iHoverTime+=iTimerInterval;
+
+ /* has the cursor moved outside the rectangle centered around pos? */
+ if((abs(pos.x - TrackingList[i].pos.x) > (hoverwidth / 2.0))
+ || (abs(pos.y - TrackingList[i].pos.y) > (hoverheight / 2.0)))
+ {
+ /* record this new position as the current position and reset */
+ /* the iHoverTime variable to 0 */
+ TrackingList[i].pos = pos;
+ TrackingList[i].iHoverTime = 0;
+ }
+
+ /* has the mouse hovered long enough? */
+ if(TrackingList[i].iHoverTime <= TrackingList[i].tme.dwHoverTime)
+ {
+ posClient.x = pos.x;
+ posClient.y = pos.y;
+ ScreenToClient(hwnd, &posClient);
+ if (nonclient) {
+ PostMessageW(TrackingList[i].tme.hwndTrack, WM_NCMOUSEHOVER,
+ get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
+ }
+ else {
+ PostMessageW(TrackingList[i].tme.hwndTrack, WM_MOUSEHOVER,
+ get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
+ }
+
+ /* stop tracking mouse hover */
+ TrackingList[i].tme.dwFlags ^= TME_HOVER;
+ }
+ }
+
+ /* see if we are still tracking TME_HOVER or TME_LEAVE for this entry */
+ if((TrackingList[i].tme.dwFlags & TME_HOVER) ||
+ (TrackingList[i].tme.dwFlags & TME_LEAVE)) {
+ i++;
+ } else { /* remove this entry from the tracking list */
+ TrackingList[i] = TrackingList[--iTrackMax];
+ }
+ }
+
+ /* stop the timer if the tracking list is empty */
+ if(iTrackMax == 0) {
+ KillTimer(0, timer);
+ timer = 0;
+ }
+}
+
+
+/***********************************************************************
+ * TrackMouseEvent [USER32]
+ *
+ * Requests notification of mouse events
+ *
+ * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted
+ * to the hwnd specified in the ptme structure. After the event message
+ * is posted to the hwnd, the entry in the queue is removed.
+ *
+ * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely
+ * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted
+ * immediately and the TME_LEAVE flag being ignored.
+ *
+ * PARAMS
+ * ptme [I,O] pointer to TRACKMOUSEEVENT information structure.
+ *
+ * RETURNS
+ * Success: non-zero
+ * Failure: zero
+ *
+ */
+/*
+ * @unimplemented
+ */
+BOOL
+STDCALL
+TrackMouseEvent(
+ LPTRACKMOUSEEVENT ptme)
+{
+ DWORD flags = 0;
+ int i = 0;
+ BOOL cancel = 0, hover = 0, leave = 0, query = 0, nonclient = 0, inclient = 0;
+ HWND hwnd;
+ POINT pos;
+ RECT client;
+
+
+ pos.x = 0;
+ pos.y = 0;
+ SetRectEmpty(&client);
+
+ DPRINT("%lx, %lx, %p, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
+
+ if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
+ DPRINT("wrong TRACKMOUSEEVENT size from app\n");
+ SetLastError(ERROR_INVALID_PARAMETER); /* FIXME not sure if this is correct */
+ return FALSE;
+ }
+
+ flags = ptme->dwFlags;
+
+ /* if HOVER_DEFAULT was specified replace this with the systems current value */
+ if(ptme->dwHoverTime == HOVER_DEFAULT)
+ SystemParametersInfoA(SPI_GETMOUSEHOVERTIME, 0, &(ptme->dwHoverTime), 0);
+
+ GetCursorPos(&pos);
+ hwnd = WindowFromPoint(pos);
+
+ if ( flags & TME_CANCEL ) {
+ flags &= ~ TME_CANCEL;
+ cancel = 1;
+ }
+
+ if ( flags & TME_HOVER ) {
+ flags &= ~ TME_HOVER;
+ hover = 1;
+ }
+
+ if ( flags & TME_LEAVE ) {
+ flags &= ~ TME_LEAVE;
+ leave = 1;
+ }
+
+ if ( flags & TME_NONCLIENT ) {
+ flags &= ~ TME_NONCLIENT;
+ nonclient = 1;
+ }
+
+ /* fill the TRACKMOUSEEVENT struct with the current tracking for the given hwnd */
+ if ( flags & TME_QUERY ) {
+ flags &= ~ TME_QUERY;
+ query = 1;
+ i = 0;
+
+ /* Find the tracking list entry with the matching hwnd */
+ while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
+ i++;
+ }
+
+ /* hwnd found, fill in the ptme struct */
+ if(i < iTrackMax)
+ *ptme = TrackingList[i].tme;
+ else
+ ptme->dwFlags = 0;
+
+ return TRUE; /* return here, TME_QUERY is retrieving information */
+ }
+
+ if ( flags )
+ DPRINT("Unknown flag(s) %08lx\n", flags );
+
+ if(cancel) {
+ /* find a matching hwnd if one exists */
+ i = 0;
+
+ while((i < iTrackMax) && (TrackingList[i].tme.hwndTrack != ptme->hwndTrack)) {
+ i++;
+ }
+
+ if(i < iTrackMax) {
+ TrackingList[i].tme.dwFlags &= ~(ptme->dwFlags & ~TME_CANCEL);
+
+ /* if we aren't tracking on hover or leave remove this entry */
+ if(!((TrackingList[i].tme.dwFlags & TME_HOVER) ||
+ (TrackingList[i].tme.dwFlags & TME_LEAVE)))
+ {
+ TrackingList[i] = TrackingList[--iTrackMax];
+
+ if(iTrackMax == 0) {
+ KillTimer(0, timer);
+ timer = 0;
+ }
+ }
+ }
+ } else {
+ /* see if hwndTrack isn't the current window */
+ if(ptme->hwndTrack != hwnd) {
+ if(leave) {
+ if(nonclient) {
+ PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
+ }
+ else {
+ PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
+ }
+ }
+ } else {
+ GetClientRect(ptme->hwndTrack, &client);
+ MapWindowPoints(ptme->hwndTrack, NULL, (LPPOINT)&client, 2);
+ if(PtInRect(&client, pos)) {
+ inclient = 1;
+ }
+ if(nonclient && inclient) {
+ PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
+ return TRUE;
+ }
+ else if(!nonclient && !inclient) {
+ PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
+ return TRUE;
+ }
+
+ /* See if this hwnd is already being tracked and update the tracking flags */
+ for(i = 0; i < iTrackMax; i++) {
+ if(TrackingList[i].tme.hwndTrack == ptme->hwndTrack) {
+ TrackingList[i].tme.dwFlags = 0;
+
+ if(hover) {
+ TrackingList[i].tme.dwFlags |= TME_HOVER;
+ TrackingList[i].tme.dwHoverTime = ptme->dwHoverTime;
+ }
+
+ if(leave)
+ TrackingList[i].tme.dwFlags |= TME_LEAVE;
+
+ if(nonclient)
+ TrackingList[i].tme.dwFlags |= TME_NONCLIENT;
+
+ /* reset iHoverTime as per winapi specs */
+ TrackingList[i].iHoverTime = 0;
+
+ return TRUE;
+ }
+ }
+
+ /* if the tracking list is full return FALSE */
+ if (iTrackMax == sizeof (TrackingList) / sizeof(*TrackingList)) {
+ return FALSE;
+ }
+
+ /* Adding new mouse event to the tracking list */
+ TrackingList[iTrackMax].tme = *ptme;
+
+ /* Initialize HoverInfo variables even if not hover tracking */
+ TrackingList[iTrackMax].iHoverTime = 0;
+ TrackingList[iTrackMax].pos = pos;
+
+ iTrackMax++;
+
+ if (!timer) {
+ timer = SetTimer(0, 0, iTimerInterval, TrackMouseEventProc);
+ }
+ }
+ }
+
+ return TRUE;
+}
+
/* EOF */