зеркало из https://github.com/mozilla/pjs.git
Using windows SetWindowsHookEx to "hook" for certain native events in order to rollup
the combobox when embedded. Also, makes Windows calls to determine the sensitivity of mouse moves instead of using a hard coded value of 5 pixels (Bug 79037) Bug 81416 & 79037 r=kmcclusk@netscape.com sr=hyatt a=blizzard
This commit is contained in:
rods%netscape.com
Родитель
d5b20e8bb4
Коммит
2898050239
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@ -94,7 +94,6 @@ static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
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static NS_DEFINE_IID(kRenderingContextCID, NS_RENDERING_CONTEXT_CID);
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static NS_DEFINE_CID(kTimerManagerCID, NS_TIMERMANAGER_CID);
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////////////////////////////////////////////////////
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// Manager for Registering and unregistering OLE
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// This is needed for drag & drop & Clipboard support
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@ -143,6 +142,17 @@ nsWindow* nsWindow::gCurrentWindow = nsnull;
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static nsIRollupListener * gRollupListener = nsnull;
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static nsIWidget * gRollupWidget = nsnull;
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static PRBool gRollupConsumeRollupEvent = PR_FALSE;
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// Hook Data Memebers for Dropdowns
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//
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// gProcessHook Tells the hook methods whether they should be
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// processing the hook messages
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//
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static HHOOK gMsgFilterHook = NULL;
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static HHOOK gCallProcHook = NULL;
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static HHOOK gCallMouseHook = NULL;
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static PRPackedBool gProcessHook = PR_FALSE;
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////////////////////////////////////////////////////
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@ -762,10 +772,18 @@ NS_IMETHODIMP nsWindow::CaptureRollupEvents(nsIRollupListener * aListener,
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NS_ADDREF(aListener);
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gRollupWidget = this;
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NS_ADDREF(this);
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if (!gMsgFilterHook && !gCallProcHook && !gCallMouseHook) {
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RegisterSpecialDropdownHooks();
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}
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gProcessHook = PR_TRUE;
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} else {
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NS_IF_RELEASE(gRollupListener);
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//gRollupListener = nsnull;
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NS_IF_RELEASE(gRollupWidget);
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gProcessHook = PR_FALSE;
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UnregisterSpecialDropdownHooks();
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}
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return NS_OK;
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@ -794,10 +812,10 @@ static LPCTSTR GetNSWindowPropName() {
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static ATOM atom = 0;
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// this is threadsafe, even without locking;
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// even if there's a race, GlobalAddAtom("nsWindowPtr")
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// even if there's a race, GlobalAddAtom("MozillaWindowPtr")
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// will just return the same value
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if (!atom) {
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atom = ::GlobalAddAtom("nsWindowPtr");
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atom = ::GlobalAddAtom("MozillansIWidgetPtr");
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}
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return MAKEINTATOM(atom);
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}
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@ -828,7 +846,8 @@ nsWindow :: DealWithPopups ( UINT inMsg, WPARAM inWParam, LPARAM inLParam, LRESU
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if (inMsg == WM_ACTIVATE || inMsg == WM_NCLBUTTONDOWN || inMsg == WM_LBUTTONDOWN ||
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inMsg == WM_RBUTTONDOWN || inMsg == WM_MBUTTONDOWN ||
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inMsg == WM_NCMBUTTONDOWN || inMsg == WM_NCRBUTTONDOWN || inMsg == WM_MOUSEACTIVATE ||
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inMsg == WM_MOUSEWHEEL || inMsg == uMSH_MOUSEWHEEL || inMsg == WM_ACTIVATEAPP)
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inMsg == WM_MOUSEWHEEL || inMsg == uMSH_MOUSEWHEEL || inMsg == WM_ACTIVATEAPP ||
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inMsg == WM_MENUSELECT || inMsg == WM_MOVING || inMsg == WM_SIZING || inMsg == WM_GETMINMAXINFO)
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{
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// Rollup if the event is outside the popup.
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PRBool rollup = !nsWindow::EventIsInsideWindow(inMsg, (nsWindow*)gRollupWidget);
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@ -898,6 +917,9 @@ nsWindow :: DealWithPopups ( UINT inMsg, WPARAM inWParam, LPARAM inLParam, LRESU
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else if ( rollup ) {
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gRollupListener->Rollup();
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// Tell hook to stop processing messages
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gProcessHook = PR_FALSE;
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// return TRUE tells Windows that the event is consumed,
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// false allows the event to be dispatched
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//
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@ -2613,6 +2635,44 @@ EventMsgInfo gAllEvents[] = {
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{"WM_NCMBUTTONDOWN ", 0x00A7},
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{"WM_NCMBUTTONUP ", 0x00A8},
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{"WM_NCMBUTTONDBLCLK", 0x00A9},
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{"EM_GETSEL ", 0x00B0},
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{"EM_SETSEL ", 0x00B1},
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{"EM_GETRECT ", 0x00B2},
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{"EM_SETRECT ", 0x00B3},
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{"EM_SETRECTNP ", 0x00B4},
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{"EM_SCROLL ", 0x00B5},
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{"EM_LINESCROLL ", 0x00B6},
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{"EM_SCROLLCARET ", 0x00B7},
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{"EM_GETMODIFY ", 0x00B8},
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{"EM_SETMODIFY ", 0x00B9},
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{"EM_GETLINECOUNT ", 0x00BA},
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{"EM_LINEINDEX ", 0x00BB},
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{"EM_SETHANDLE ", 0x00BC},
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{"EM_GETHANDLE ", 0x00BD},
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{"EM_GETTHUMB ", 0x00BE},
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{"EM_LINELENGTH ", 0x00C1},
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{"EM_REPLACESEL ", 0x00C2},
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{"EM_GETLINE ", 0x00C4},
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{"EM_LIMITTEXT ", 0x00C5},
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{"EM_CANUNDO ", 0x00C6},
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{"EM_UNDO ", 0x00C7},
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{"EM_FMTLINES ", 0x00C8},
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{"EM_LINEFROMCHAR ", 0x00C9},
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{"EM_SETTABSTOPS ", 0x00CB},
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{"EM_SETPASSWORDCHAR ", 0x00CC},
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{"EM_EMPTYUNDOBUFFER ", 0x00CD},
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{"EM_GETFIRSTVISIBLELINE", 0x00CE},
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{"EM_SETREADONLY ", 0x00CF},
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{"EM_SETWORDBREAKPROC ", 0x00D0},
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{"EM_GETWORDBREAKPROC ", 0x00D1},
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{"EM_GETPASSWORDCHAR ", 0x00D2},
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{"EM_SETMARGINS ", 0x00D3},
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{"EM_GETMARGINS ", 0x00D4},
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{"EM_GETLIMITTEXT ", 0x00D5},
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{"EM_POSFROMCHAR ", 0x00D6},
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{"EM_CHARFROMPOS ", 0x00D7},
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{"EM_SETIMESTATUS ", 0x00D8},
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{"EM_GETIMESTATUS ", 0x00D9},
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{"SBM_SETPOS ", 0x00E0},
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{"SBM_GETPOS ", 0x00E1},
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{"SBM_SETRANGE ", 0x00E2},
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@ -2656,6 +2716,82 @@ EventMsgInfo gAllEvents[] = {
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{"WM_CTLCOLORDLG ", 0x0136},
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{"WM_CTLCOLORSCROLLBAR", 0x0137},
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{"WM_CTLCOLORSTATIC ", 0x0138},
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{"CB_GETEDITSEL ", 0x0140},
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{"CB_LIMITTEXT ", 0x0141},
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{"CB_SETEDITSEL ", 0x0142},
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{"CB_ADDSTRING ", 0x0143},
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{"CB_DELETESTRING ", 0x0144},
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{"CB_DIR ", 0x0145},
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{"CB_GETCOUNT ", 0x0146},
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{"CB_GETCURSEL ", 0x0147},
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{"CB_GETLBTEXT ", 0x0148},
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{"CB_GETLBTEXTLEN ", 0x0149},
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{"CB_INSERTSTRING ", 0x014A},
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{"CB_RESETCONTENT ", 0x014B},
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{"CB_FINDSTRING ", 0x014C},
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{"CB_SELECTSTRING ", 0x014D},
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{"CB_SETCURSEL ", 0x014E},
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{"CB_SHOWDROPDOWN ", 0x014F},
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{"CB_GETITEMDATA ", 0x0150},
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{"CB_SETITEMDATA ", 0x0151},
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{"CB_GETDROPPEDCONTROLRECT", 0x0152},
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{"CB_SETITEMHEIGHT ", 0x0153},
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{"CB_GETITEMHEIGHT ", 0x0154},
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{"CB_SETEXTENDEDUI ", 0x0155},
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{"CB_GETEXTENDEDUI ", 0x0156},
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{"CB_GETDROPPEDSTATE ", 0x0157},
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{"CB_FINDSTRINGEXACT ", 0x0158},
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{"CB_SETLOCALE ", 0x0159},
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{"CB_GETLOCALE ", 0x015A},
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{"CB_GETTOPINDEX ", 0x015b},
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{"CB_SETTOPINDEX ", 0x015c},
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{"CB_GETHORIZONTALEXTENT ", 0x015d},
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{"CB_SETHORIZONTALEXTENT ", 0x015e},
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{"CB_GETDROPPEDWIDTH ", 0x015f},
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{"CB_SETDROPPEDWIDTH ", 0x0160},
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{"CB_INITSTORAGE ", 0x0161},
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{"CB_MSGMAX ", 0x0162},
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{"LB_ADDSTRING ", 0x0180},
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{"LB_INSERTSTRING ", 0x0181},
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{"LB_DELETESTRING ", 0x0182},
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{"LB_SELITEMRANGEEX ", 0x0183},
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{"LB_RESETCONTENT ", 0x0184},
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{"LB_SETSEL ", 0x0185},
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{"LB_SETCURSEL ", 0x0186},
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{"LB_GETSEL ", 0x0187},
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{"LB_GETCURSEL ", 0x0188},
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{"LB_GETTEXT ", 0x0189},
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{"LB_GETTEXTLEN ", 0x018A},
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{"LB_GETCOUNT ", 0x018B},
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{"LB_SELECTSTRING ", 0x018C},
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{"LB_DIR ", 0x018D},
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{"LB_GETTOPINDEX ", 0x018E},
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{"LB_FINDSTRING ", 0x018F},
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{"LB_GETSELCOUNT ", 0x0190},
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{"LB_GETSELITEMS ", 0x0191},
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{"LB_SETTABSTOPS ", 0x0192},
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{"LB_GETHORIZONTALEXTENT", 0x0193},
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{"LB_SETHORIZONTALEXTENT", 0x0194},
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{"LB_SETCOLUMNWIDTH ", 0x0195},
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{"LB_ADDFILE ", 0x0196},
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{"LB_SETTOPINDEX ", 0x0197},
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{"LB_GETITEMRECT ", 0x0198},
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{"LB_GETITEMDATA ", 0x0199},
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{"LB_SETITEMDATA ", 0x019A},
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{"LB_SELITEMRANGE ", 0x019B},
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{"LB_SETANCHORINDEX ", 0x019C},
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{"LB_GETANCHORINDEX ", 0x019D},
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{"LB_SETCARETINDEX ", 0x019E},
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{"LB_GETCARETINDEX ", 0x019F},
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{"LB_SETITEMHEIGHT ", 0x01A0},
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{"LB_GETITEMHEIGHT ", 0x01A1},
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{"LB_FINDSTRINGEXACT ", 0x01A2},
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{"LB_SETLOCALE ", 0x01A5},
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{"LB_GETLOCALE ", 0x01A6},
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{"LB_SETCOUNT ", 0x01A7},
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{"LB_INITSTORAGE ", 0x01A8},
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{"LB_ITEMFROMPOINT ", 0x01A9},
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{"LB_MSGMAX ", 0x01B0},
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{"WM_MOUSEFIRST ", 0x0200},
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{"WM_MOUSEMOVE ", 0x0200},
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{"WM_LBUTTONDOWN ", 0x0201},
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@ -2736,6 +2872,7 @@ EventMsgInfo gAllEvents[] = {
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{NULL, 0x0}
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};
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static long gEventCounter = 0;
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static long gLastEventMsg = 0;
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@ -3948,13 +4085,12 @@ PRBool nsWindow::DispatchMouseEvent(PRUint32 aEventType, nsPoint* aPoint)
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//Dblclicks are used to set the click count, then changed to mousedowns
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LONG curMsgTime = ::GetMessageTime();
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const short kDoubleClickMoveThreshold = 5;
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POINT mp;
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DWORD pos = ::GetMessagePos();
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mp.x = (short)LOWORD(pos);
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mp.y = (short)HIWORD(pos);
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PRBool insideMovementThreshold = (abs(gLastMousePoint.x - mp.x) < kDoubleClickMoveThreshold) &&
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(abs(gLastMousePoint.y - mp.y) < kDoubleClickMoveThreshold);
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PRBool insideMovementThreshold = (abs(gLastMousePoint.x - mp.x) < (short)::GetSystemMetrics(SM_CXDOUBLECLK)) &&
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(abs(gLastMousePoint.y - mp.y) < (short)::GetSystemMetrics(SM_CYDOUBLECLK));
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// we're going to time double-clicks from mouse *up* to next mouse *down*
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if (aEventType == NS_MOUSE_LEFT_DOUBLECLICK) {
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@ -5351,3 +5487,194 @@ nsWindow::GetAttention() {
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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//-- NOTE!!! These hook functions can be removed when we migrate to
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//-- XBL-Form Controls
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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//#define DISPLAY_NOISY_MSGF_MSG
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#ifdef DISPLAY_NOISY_MSGF_MSG
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typedef struct {
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char * mStr;
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int mId;
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} MSGFEventMsgInfo;
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MSGFEventMsgInfo gMSGFEvents[] = {
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"MSGF_DIALOGBOX", 0,
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"MSGF_MESSAGEBOX", 1,
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"MSGF_MENU", 2,
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"MSGF_SCROLLBAR", 5,
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"MSGF_NEXTWINDOW", 6,
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"MSGF_MAX", 8,
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"MSGF_USER", 4096,
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NULL, 0};
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void PrintEvent(UINT msg, PRBool aShowAllEvents, PRBool aShowMouseMoves);
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int gLastMsgCode = 0;
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#define DISPLAY_NMM_PRT(_arg) printf((_arg));
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#else
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#define DISPLAY_NMM_PRT(_arg)
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#endif
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//-------------------------------------------------------------------------
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// Process Menu messages
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// Rollup when when is clicked
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LRESULT CALLBACK nsWindow::MozSpecialMsgFilter(int code, WPARAM wParam, LPARAM lParam)
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{
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#ifdef DISPLAY_NOISY_MSGF_MSG
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if (gProcessHook) {
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MSG* pMsg = (MSG*)lParam;
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int inx = 0;
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while (gMSGFEvents[inx].mId != code && gMSGFEvents[inx].mStr != NULL) {
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inx++;
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}
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if (code != gLastMsgCode) {
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if (gMSGFEvents[inx].mId == code) {
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printf("MozSpecialMessageProc - code: 0x%X - %s hw: %p\n", code, gMSGFEvents[inx].mStr, pMsg->hwnd);
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} else {
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printf("MozSpecialMessageProc - code: 0x%X - %d hw: %p\n", code, gMSGFEvents[inx].mId, pMsg->hwnd);
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}
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gLastMsgCode = code;
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}
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PrintEvent(pMsg->message, FALSE, FALSE);
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}
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#endif
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if (gProcessHook && code == MSGF_MENU) {
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MSG* pMsg = (MSG*)lParam;
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LRESULT result;
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DealWithPopups (pMsg->message, pMsg->wParam, pMsg->lParam, &result) ;
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}
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return ::CallNextHookEx(gMsgFilterHook, code, wParam, lParam);
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}
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//-------------------------------------------------------------------------
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// Process all mouse messages
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// Roll up when a click is in a native window that doesn't have an nsIWidget
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LRESULT CALLBACK nsWindow::MozSpecialMouseProc(int code, WPARAM wParam, LPARAM lParam)
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{
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if (gProcessHook) {
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MOUSEHOOKSTRUCT* ms = (MOUSEHOOKSTRUCT*)lParam;
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if (wParam == WM_LBUTTONDOWN) {
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nsIWidget* mozWin = (nsIWidget*)GetNSWindowPtr(ms->hwnd);
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if (mozWin == NULL) {
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nsIWidget* rollupWidget = gRollupWidget;
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LRESULT result;
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DealWithPopups (wParam, NULL, NULL, &result);
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}
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}
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}
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return ::CallNextHookEx(gCallMouseHook, code, wParam, lParam);
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}
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//-------------------------------------------------------------------------
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// Process all messages
|
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// Roll up when the window is moving, or is resizing or when maximized or mininized
|
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LRESULT CALLBACK nsWindow::MozSpecialWndProc(int code, WPARAM wParam, LPARAM lParam)
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{
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#ifdef DISPLAY_NOISY_MSGF_MSG
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if (gProcessHook) {
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CWPSTRUCT* cwpt = (CWPSTRUCT*)lParam;
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PrintEvent(cwpt->message, FALSE, FALSE);
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}
|
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#endif
|
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|
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if (gProcessHook) {
|
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CWPSTRUCT* cwpt = (CWPSTRUCT*)lParam;
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if (cwpt->message == WM_MOVING ||
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cwpt->message == WM_SIZING ||
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cwpt->message == WM_GETMINMAXINFO) {
|
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LRESULT result;
|
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DealWithPopups (cwpt->message, cwpt->wParam, cwpt->lParam, &result);
|
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}
|
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}
|
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|
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return ::CallNextHookEx(gCallProcHook, code, wParam, lParam);
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||||
|
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}
|
||||
|
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//-------------------------------------------------------------------------
|
||||
// Register the special "hooks" for dropdown processing
|
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void nsWindow::RegisterSpecialDropdownHooks()
|
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{
|
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NS_ASSERTION(!gMsgFilterHook, "gMsgFilterHook must be NULL!");
|
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NS_ASSERTION(!gCallProcHook, "gCallProcHook must be NULL!");
|
||||
|
||||
DISPLAY_NMM_PRT("***************** Installing Msg Hooks ***************\n");
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|
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//HMODULE hMod = GetModuleHandle("gkwidget.dll");
|
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|
||||
// Install msg hook for moving the window and resizing
|
||||
if (!gMsgFilterHook) {
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DISPLAY_NMM_PRT("***** Hooking gMsgFilterHook!\n");
|
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gMsgFilterHook = SetWindowsHookEx(WH_MSGFILTER, MozSpecialMsgFilter, NULL, GetCurrentThreadId());
|
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#ifdef DISPLAY_NOISY_MSGF_MSG
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if (!gMsgFilterHook) {
|
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printf("***** SetWindowsHookEx is NOT installed for WH_MSGFILTER!\n");
|
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}
|
||||
#endif
|
||||
}
|
||||
|
||||
// Install msg hook for menus
|
||||
if (!gCallProcHook) {
|
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DISPLAY_NMM_PRT("***** Hooking gCallProcHook!\n");
|
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gCallProcHook = SetWindowsHookEx(WH_CALLWNDPROC, MozSpecialWndProc, NULL, GetCurrentThreadId());
|
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#ifdef DISPLAY_NOISY_MSGF_MSG
|
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if (!gCallProcHook) {
|
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printf("***** SetWindowsHookEx is NOT installed for WH_CALLWNDPROC!\n");
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
// Install msg hook for the mouse
|
||||
if (!gCallMouseHook) {
|
||||
DISPLAY_NMM_PRT("***** Hooking gCallMouseHook!\n");
|
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gCallMouseHook = SetWindowsHookEx(WH_MOUSE, MozSpecialMouseProc, NULL, GetCurrentThreadId());
|
||||
#ifdef DISPLAY_NOISY_MSGF_MSG
|
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if (!gCallMouseHook) {
|
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printf("***** SetWindowsHookEx is NOT installed for WH_MOUSE!\n");
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// Unhook special message hooks for dropdowns
|
||||
void nsWindow::UnregisterSpecialDropdownHooks()
|
||||
{
|
||||
|
||||
DISPLAY_NMM_PRT("***************** De-installing Msg Hooks ***************\n");
|
||||
|
||||
if (gCallProcHook) {
|
||||
DISPLAY_NMM_PRT("***** Unhooking gCallProcHook!\n");
|
||||
if (!::UnhookWindowsHookEx(gCallProcHook)) {
|
||||
DISPLAY_NMM_PRT("***** UnhookWindowsHookEx failed for gCallProcHook!\n");
|
||||
}
|
||||
gCallProcHook = NULL;
|
||||
}
|
||||
|
||||
if (gMsgFilterHook) {
|
||||
DISPLAY_NMM_PRT("***** Unhooking gMsgFilterHook!\n");
|
||||
if (!::UnhookWindowsHookEx(gMsgFilterHook)) {
|
||||
DISPLAY_NMM_PRT("***** UnhookWindowsHookEx failed for gMsgFilterHook!\n");
|
||||
}
|
||||
gMsgFilterHook = NULL;
|
||||
}
|
||||
|
||||
if (gCallMouseHook) {
|
||||
DISPLAY_NMM_PRT("***** Unhooking gCallMouseHook!\n");
|
||||
if (!::UnhookWindowsHookEx(gCallMouseHook)) {
|
||||
DISPLAY_NMM_PRT("***** UnhookWindowsHookEx failed for gCallMouseHook!\n");
|
||||
}
|
||||
gCallMouseHook = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -302,6 +302,13 @@ public:
|
|||
void InitEvent(nsGUIEvent& event, PRUint32 aEventType, nsPoint* aPoint = nsnull);
|
||||
|
||||
protected:
|
||||
// special callback hook methods for pop ups
|
||||
static LRESULT CALLBACK MozSpecialMsgFilter(int code, WPARAM wParam, LPARAM lParam);
|
||||
static LRESULT CALLBACK MozSpecialWndProc(int code, WPARAM wParam, LPARAM lParam);
|
||||
static LRESULT CALLBACK MozSpecialMouseProc(int code, WPARAM wParam, LPARAM lParam);
|
||||
|
||||
static void RegisterSpecialDropdownHooks();
|
||||
static void UnregisterSpecialDropdownHooks();
|
||||
|
||||
static BOOL DealWithPopups ( UINT inMsg, WPARAM inWParam, LPARAM inLParam, LRESULT* outResult ) ;
|
||||
|
||||
|
|
|
|||
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