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https://github.com/reactos/reactos.git
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Implement TrackMouseEvent.
svn path=/trunk/; revision=16508
This commit is contained in:
James Tabor
parent
e6ce20818e
commit
6c4cbed9a2
2 changed files with 352 additions and 16 deletions
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@ -106,19 +106,6 @@ LockWorkStation(VOID)
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}
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/*
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* @unimplemented
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*/
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BOOL
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STDCALL
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TrackMouseEvent(
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LPTRACKMOUSEEVENT lpEventTrack)
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{
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UNIMPLEMENTED;
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return FALSE;
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}
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/*
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* @unimplemented
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*/
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@ -30,6 +30,21 @@
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#include <user32.h>
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/* GLOBALS *******************************************************************/
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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 UINT_PTR timer;
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static const INT iTimerInterval = 50; /* msec for timer interval */
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/* FUNCTIONS *****************************************************************/
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@ -126,13 +141,12 @@ EnableWindow(HWND hWnd,
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/*
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* @unimplemented
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* @implemented
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*/
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SHORT STDCALL
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GetAsyncKeyState(int vKey)
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{
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UNIMPLEMENTED;
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return 0;
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return (SHORT) NtUserGetAsyncKeyState((DWORD) vKey);
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}
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@ -656,4 +670,339 @@ mouse_event(
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NtUserSendInput(1, &Input, sizeof(INPUT));
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}
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/***********************************************************************
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* get_key_state
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*/
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static WORD get_key_state(void)
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{
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WORD ret = 0;
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if (GetSystemMetrics( SM_SWAPBUTTON ))
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{
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if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_LBUTTON;
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if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_RBUTTON;
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}
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else
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{
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if (GetAsyncKeyState(VK_LBUTTON) & 0x80) ret |= MK_LBUTTON;
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if (GetAsyncKeyState(VK_RBUTTON) & 0x80) ret |= MK_RBUTTON;
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}
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if (GetAsyncKeyState(VK_MBUTTON) & 0x80) ret |= MK_MBUTTON;
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if (GetAsyncKeyState(VK_SHIFT) & 0x80) ret |= MK_SHIFT;
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if (GetAsyncKeyState(VK_CONTROL) & 0x80) ret |= MK_CONTROL;
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if (GetAsyncKeyState(VK_XBUTTON1) & 0x80) ret |= MK_XBUTTON1;
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if (GetAsyncKeyState(VK_XBUTTON2) & 0x80) ret |= MK_XBUTTON2;
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return ret;
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}
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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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POINT posClient;
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HWND hwnd;
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INT nonclient;
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INT hoverwidth = 0, hoverheight = 0;
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RECT client;
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GetCursorPos(&pos);
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hwnd = WindowFromPoint(pos);
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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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if (TrackingList[i].tme.dwFlags & TME_NONCLIENT) {
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nonclient = 1;
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}
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else {
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nonclient = 0;
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}
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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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if (TrackingList[i].tme.hwndTrack != hwnd) {
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if (nonclient) {
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PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 0, 0);
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}
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else {
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PostMessageA(TrackingList[i].tme.hwndTrack, WM_MOUSELEAVE, 0, 0);
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}
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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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else {
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GetClientRect(hwnd, &client);
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MapWindowPoints(hwnd, NULL, (LPPOINT)&client, 2);
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if(PtInRect(&client, pos)) {
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if (nonclient) {
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PostMessageA(TrackingList[i].tme.hwndTrack, WM_NCMOUSELEAVE, 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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}
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else {
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if (!nonclient) {
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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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}
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}
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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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posClient.x = pos.x;
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posClient.y = pos.y;
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ScreenToClient(hwnd, &posClient);
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if (nonclient) {
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PostMessageW(TrackingList[i].tme.hwndTrack, WM_NCMOUSEHOVER,
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get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
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}
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else {
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PostMessageW(TrackingList[i].tme.hwndTrack, WM_MOUSEHOVER,
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get_key_state(), MAKELPARAM( posClient.x, posClient.y ));
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}
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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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/* 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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* TrackMouseEvent [USER32]
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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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* RETURNS
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* Success: non-zero
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* Failure: zero
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*
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*/
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/*
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* @unimplemented
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*/
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BOOL
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STDCALL
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TrackMouseEvent(
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LPTRACKMOUSEEVENT ptme)
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{
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DWORD flags = 0;
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int i = 0;
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BOOL cancel = 0, hover = 0, leave = 0, query = 0, nonclient = 0, inclient = 0;
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HWND hwnd;
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POINT pos;
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RECT client;
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pos.x = 0;
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pos.y = 0;
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SetRectEmpty(&client);
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DPRINT("%lx, %lx, %p, %lx\n", ptme->cbSize, ptme->dwFlags, ptme->hwndTrack, ptme->dwHoverTime);
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if (ptme->cbSize != sizeof(TRACKMOUSEEVENT)) {
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DPRINT("wrong TRACKMOUSEEVENT size from app\n");
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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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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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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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flags &= ~ TME_LEAVE;
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leave = 1;
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}
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if ( flags & TME_NONCLIENT ) {
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flags &= ~ TME_NONCLIENT;
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nonclient = 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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flags &= ~ TME_QUERY;
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query = 1;
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i = 0;
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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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/* 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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if ( flags )
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DPRINT("Unknown flag(s) %08lx\n", flags );
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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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if(nonclient) {
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PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
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}
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else {
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PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
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}
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}
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} else {
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GetClientRect(ptme->hwndTrack, &client);
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MapWindowPoints(ptme->hwndTrack, NULL, (LPPOINT)&client, 2);
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if(PtInRect(&client, pos)) {
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inclient = 1;
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}
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if(nonclient && inclient) {
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PostMessageA(ptme->hwndTrack, WM_NCMOUSELEAVE, 0, 0);
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return TRUE;
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}
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else if(!nonclient && !inclient) {
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PostMessageA(ptme->hwndTrack, WM_MOUSELEAVE, 0, 0);
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return TRUE;
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}
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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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TrackingList[i].tme.dwFlags = 0;
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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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if(nonclient)
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TrackingList[i].tme.dwFlags |= TME_NONCLIENT;
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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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/* EOF */
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