/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * Michael Lowe * Pierre Phaneuf */ #if defined(DEBUG_ftang) //#define KE_DEBUG //#define DEBUG_IME //#define DEBUG_IME2 //#define DEBUG_KBSTATE #endif #include "nsWindow.h" #include "nsIAppShell.h" #include "nsIFontMetrics.h" #include "nsFont.h" #include "nsGUIEvent.h" #include "nsIRenderingContext.h" #include "nsIDeviceContext.h" #include "nsRect.h" #include "nsTransform2D.h" #include "nsStringUtil.h" #include //#include #include //#include "sysmets.h" #include "nsGfxCIID.h" #include "resource.h" #include #include "prtime.h" #include "nsIRenderingContextWin.h" #include #ifdef MOZ_AIMM #include "aimm.h" #endif // MOZ_AIMM #include "nsNativeDragTarget.h" #include "nsIRollupListener.h" #include "nsIRegion.h" //~~~ windowless plugin support #include "nsplugindefs.h" // For clipboard support #include "nsIServiceManager.h" #include "nsIClipboard.h" #include "nsWidgetsCID.h" #include "nsITimer.h" #include "nsITimerQueue.h" static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID); static NS_DEFINE_IID(kRenderingContextCID, NS_RENDERING_CONTEXT_CID); static NS_DEFINE_CID(kTimerManagerCID, NS_TIMERMANAGER_CID); BOOL nsWindow::sIsRegistered = FALSE; //////////////////////////////////////////////////// static nsIRollupListener * gRollupListener = nsnull; static nsIWidget * gRollupWidget = nsnull; static PRBool gRollupConsumeRollupEvent = PR_FALSE; nsWindow* nsWindow::gCurrentWindow = nsnull; #if 0 // #ifdef KE_DEBUG static PRBool is_vk_down(int vk) { SHORT st = GetKeyState(vk); printf("is_vk_down vk=%x st=%x\n",vk, st); return (st & 0x80) ? PR_TRUE : PR_FALSE; } #define IS_VK_DOWN is_vk_down #else #define IS_VK_DOWN(a) (PRBool)(((GetKeyState(a) & 0x80)) ? (PR_TRUE) : (PR_FALSE)) #endif // Global variable // g_hinst - handle of the application instance extern HINSTANCE g_hinst; // // input method offsets // #define IME_X_OFFSET 0 #define IME_Y_OFFSET 0 #define IS_IME_CODEPAGE(cp) ((932==(cp))||(936==(cp))||(949==(cp))||(950==(cp))) // // Macro for Active Input Method Manager (AIMM) support. // Use AIMM method instead of Win32 Imm APIs. // #ifdef MOZ_AIMM #define NS_IMM_GETCOMPOSITIONSTRING(hIMC, dwIndex, pBuf, dwBufLen, compStrLen) \ { \ compStrLen = 0; \ if (nsToolkit::gAIMMApp) \ nsToolkit::gAIMMApp->GetCompositionStringA(hIMC, dwIndex, dwBufLen, &(compStrLen), pBuf); \ else \ compStrLen = ::ImmGetCompositionStringA(hIMC, dwIndex, pBuf, dwBufLen); \ } #define NS_IMM_GETCONTEXT(hWnd, hIMC) \ { \ hIMC = NULL; \ if (nsToolkit::gAIMMApp) \ nsToolkit::gAIMMApp->GetContext(hWnd, &(hIMC)); \ else \ hIMC = ::ImmGetContext(hWnd); \ } #define NS_IMM_GETCONVERSIONSTATUS(hIMC, pfdwConversion, pfdwSentence) \ (nsToolkit::gAIMMApp ? \ (nsToolkit::gAIMMApp->GetConversionStatus(hIMC, pfdwConversion, pfdwSentence) == S_OK) : \ (::ImmGetConversionStatus(hIMC, pfdwConversion, pfdwSentence))) #define NS_IMM_RELEASECONTEXT(hWnd, hIMC) \ { \ if (nsToolkit::gAIMMApp) \ nsToolkit::gAIMMApp->ReleaseContext(hWnd, hIMC); \ else \ ::ImmReleaseContext(hWnd, hIMC); \ } #define NS_IMM_NOTIFYIME(hIMC, dwAction, dwIndex, dwValue) \ (nsToolkit::gAIMMApp ? \ (nsToolkit::gAIMMApp->NotifyIME(hIMC, dwAction, dwIndex, dwValue) == S_OK) : \ (::ImmNotifyIME(hIMC, dwAction, dwIndex, dwValue))) #define NS_IMM_SETCANDIDATEWINDOW(hIMC, candForm) \ (nsToolkit::gAIMMApp ? \ (nsToolkit::gAIMMApp->SetCandidateWindow(hIMC, candForm) == S_OK) : \ (::ImmSetCandidateWindow(hIMC, candForm))) #define NS_IMM_SETCONVERSIONSTATUS(hIMC, pfdwConversion, pfdwSentence) \ (nsToolkit::gAIMMApp ? \ (nsToolkit::gAIMMApp->SetConversionStatus(hIMC, (pfdwConversion), (pfdwSentence)) == S_OK) : \ (::ImmSetConversionStatus(hIMC, (pfdwConversion), (pfdwSentence)))) #else /* !MOZ_AIMM */ #define NS_IMM_GETCOMPOSITIONSTRING(hIMC, dwIndex, pBuf, dwBufLen, compStrLen) \ { compStrLen = ::ImmGetCompositionString(hIMC, dwIndex, pBuf, dwBufLen); } #define NS_IMM_GETCONTEXT(hWnd, hIMC) \ { hIMC = ::ImmGetContext(hWnd); } #define NS_IMM_GETCONVERSIONSTATUS(hIMC, lpfdwConversion, lpfdwSentence) \ (::ImmGetConversionStatus(hIMC, (lpfdwConversion), (lpfdwSentence))) #define NS_IMM_RELEASECONTEXT(hWnd, hIMC) \ { ::ImmReleaseContext(hWnd, hIMC); } #define NS_IMM_NOTIFYIME(hIMC, dwAction, dwIndex, dwValue) \ (::ImmNotifyIME(hIMC, dwAction, dwIndex, dwValue)) #define NS_IMM_SETCANDIDATEWINDOW(hIMC, candForm) \ (::ImmSetCandidateWindow(hIMC, candForm)) #define NS_IMM_SETCONVERSIONSTATUS(hIMC, lpfdwConversion, lpfdwSentence) \ (::ImmSetConversionStatus(hIMC, (lpfdwConversion), (lpfdwSentence))) #endif /* MOZ_AIMM */ static PRBool LangIDToCP(WORD aLangID, UINT& oCP) { int localeid=MAKELCID(aLangID,SORT_DEFAULT); int numchar=GetLocaleInfo(localeid,LOCALE_IDEFAULTANSICODEPAGE,NULL,0); char cp_on_stack[32]; char* cp_name; if(numchar > 32) cp_name = new char[numchar]; else cp_name = cp_on_stack; if (cp_name) { GetLocaleInfo(localeid,LOCALE_IDEFAULTANSICODEPAGE,cp_name,numchar); oCP = atoi(cp_name); if(cp_name != cp_on_stack) delete [] cp_name; return PR_TRUE; } else { oCP = CP_ACP; return PR_FALSE; } } //------------------------------------------------------------------------- // // nsISupport stuff // //------------------------------------------------------------------------- NS_IMPL_ADDREF(nsWindow) NS_IMPL_RELEASE(nsWindow) NS_IMETHODIMP nsWindow::QueryInterface(const nsIID& aIID, void** aInstancePtr) { if (NULL == aInstancePtr) { return NS_ERROR_NULL_POINTER; } if (aIID.Equals(NS_GET_IID(nsIKBStateControl))) { *aInstancePtr = (void*) ((nsIKBStateControl*)this); NS_ADDREF((nsBaseWidget*)this); // NS_ADDREF_THIS(); return NS_OK; } return nsBaseWidget::QueryInterface(aIID,aInstancePtr); } //------------------------------------------------------------------------- // // nsWindow constructor // //------------------------------------------------------------------------- nsWindow::nsWindow() : nsBaseWidget() { NS_INIT_REFCNT(); mWnd = 0; mPrevWndProc = NULL; mBackground = ::GetSysColor(COLOR_BTNFACE); mBrush = ::CreateSolidBrush(NSRGB_2_COLOREF(mBackground)); mForeground = ::GetSysColor(COLOR_WINDOWTEXT); mPalette = NULL; mIsShiftDown = PR_FALSE; mIsControlDown = PR_FALSE; mIsAltDown = PR_FALSE; mIsDestroying = PR_FALSE; mOnDestroyCalled = PR_FALSE; mDeferredPositioner = NULL; mLastPoint.x = 0; mLastPoint.y = 0; mPreferredWidth = 0; mPreferredHeight = 0; mFont = nsnull; mIsVisible = PR_FALSE; mHas3DBorder = PR_FALSE; mWindowType = eWindowType_child; mBorderStyle = eBorderStyle_default; mBorderlessParent = 0; mIsInMouseCapture = PR_FALSE; mIMEProperty = 0; mIMEIsComposing = PR_FALSE; mIMECompString = NULL; mIMECompUnicode = NULL; mIMEAttributeString = NULL; mIMEAttributeStringSize = 0; mIMEAttributeStringLength = 0; mIMECompClauseString = NULL; mIMECompClauseStringSize = 0; mIMECompClauseStringLength = 0; static BOOL gbInitHKL = FALSE; if(! gbInitHKL) { gbInitHKL = TRUE; gKeyboardLayout = GetKeyboardLayout(0); LangIDToCP((WORD)(0x0FFFFL & (DWORD)gKeyboardLayout), gCurrentKeyboardCP); } mNativeDragTarget = nsnull; mIsTopWidgetWindow = PR_FALSE; } HKL nsWindow::gKeyboardLayout = 0; UINT nsWindow::gCurrentKeyboardCP = 0; //------------------------------------------------------------------------- // // nsWindow destructor // //------------------------------------------------------------------------- nsWindow::~nsWindow() { mIsDestroying = PR_TRUE; if (gCurrentWindow == this) { gCurrentWindow = nsnull; } MouseTrailer * mouseTrailer = MouseTrailer::GetMouseTrailer(0); if (mouseTrailer->GetMouseTrailerWindow() == this) { mouseTrailer->DestroyTimer(); } // If the widget was released without calling Destroy() then the native // window still exists, and we need to destroy it if (NULL != mWnd) { Destroy(); } //XXX Temporary: Should not be caching the font delete mFont; // // delete any of the IME structures that we allocated // if (mIMECompString!=NULL) nsCString::Recycle(mIMECompString); if (mIMECompUnicode!=NULL) nsString::Recycle(mIMECompUnicode); if (mIMEAttributeString!=NULL) delete [] mIMEAttributeString; if (mIMECompClauseString!=NULL) delete [] mIMECompClauseString; NS_IF_RELEASE(mNativeDragTarget); } NS_METHOD nsWindow::CaptureMouse(PRBool aCapture) { if (PR_TRUE == aCapture) { MouseTrailer::SetCaptureWindow(this); ::SetCapture(mWnd); } else { MouseTrailer::SetCaptureWindow(NULL); ::ReleaseCapture(); } mIsInMouseCapture = aCapture; return NS_OK; } //------------------------------------------------------------------------- // // Default for height modification is to do nothing // //------------------------------------------------------------------------- PRInt32 nsWindow::GetHeight(PRInt32 aProposedHeight) { return(aProposedHeight); } //------------------------------------------------------------------------- // // Deferred Window positioning // //------------------------------------------------------------------------- NS_METHOD nsWindow::BeginResizingChildren(void) { if (NULL == mDeferredPositioner) mDeferredPositioner = ::BeginDeferWindowPos(1); return NS_OK; } NS_METHOD nsWindow::EndResizingChildren(void) { if (NULL != mDeferredPositioner) { ::EndDeferWindowPos(mDeferredPositioner); mDeferredPositioner = NULL; } return NS_OK; } NS_METHOD nsWindow::WidgetToScreen(const nsRect& aOldRect, nsRect& aNewRect) { POINT point; point.x = aOldRect.x; point.y = aOldRect.y; ::ClientToScreen((HWND)GetNativeData(NS_NATIVE_WINDOW), &point); aNewRect.x = point.x; aNewRect.y = point.y; aNewRect.width = aOldRect.width; aNewRect.height = aOldRect.height; return NS_OK; } NS_METHOD nsWindow::ScreenToWidget(const nsRect& aOldRect, nsRect& aNewRect) { POINT point; point.x = aOldRect.x; point.y = aOldRect.y; ::ScreenToClient((HWND)GetNativeData(NS_NATIVE_WINDOW), &point); aNewRect.x = point.x; aNewRect.y = point.y; aNewRect.width = aOldRect.width; aNewRect.height = aOldRect.height; return NS_OK; } //------------------------------------------------------------------------- // // Convert nsEventStatus value to a windows boolean // //------------------------------------------------------------------------- PRBool nsWindow::ConvertStatus(nsEventStatus aStatus) { switch(aStatus) { case nsEventStatus_eIgnore: return PR_FALSE; case nsEventStatus_eConsumeNoDefault: return PR_TRUE; case nsEventStatus_eConsumeDoDefault: return PR_FALSE; default: NS_ASSERTION(0, "Illegal nsEventStatus enumeration value"); break; } return PR_FALSE; } //------------------------------------------------------------------------- // // Initialize an event to dispatch // //------------------------------------------------------------------------- void nsWindow::InitEvent(nsGUIEvent& event, PRUint32 aEventType, nsPoint* aPoint) { event.widget = this; NS_ADDREF(event.widget); if (nsnull == aPoint) { // use the point from the event // get the message position in client coordinates and in twips DWORD pos = ::GetMessagePos(); POINT cpos; cpos.x = LOWORD(pos); cpos.y = HIWORD(pos); if (mWnd != NULL) { ::ScreenToClient(mWnd, &cpos); event.point.x = cpos.x; event.point.y = cpos.y; } else { event.point.x = 0; event.point.y = 0; } } else { // use the point override if provided event.point.x = aPoint->x; event.point.y = aPoint->y; } event.time = ::GetMessageTime(); event.message = aEventType; mLastPoint.x = event.point.x; mLastPoint.y = event.point.y; } //------------------------------------------------------------------------- // // Invokes callback and ProcessEvent method on Event Listener object // //------------------------------------------------------------------------- NS_IMETHODIMP nsWindow::DispatchEvent(nsGUIEvent* event, nsEventStatus & aStatus) { #ifdef NS_DEBUG debug_DumpEvent(stdout, event->widget, event, "something", (PRInt32) mWnd); #endif // NS_DEBUG aStatus = nsEventStatus_eIgnore; if (nsnull != mEventCallback) { aStatus = (*mEventCallback)(event); } // Dispatch to event listener if event was not consumed if ((aStatus != nsEventStatus_eIgnore) && (nsnull != mEventListener)) { aStatus = mEventListener->ProcessEvent(*event); } // the window can be destroyed during processing of seemingly innocuous events like, say, // mousedowns due to the magic of scripting. mousedowns will return nsEventStatus_eIgnore, // which causes problems with the deleted window. therefore: if (mOnDestroyCalled) aStatus = nsEventStatus_eConsumeNoDefault; return NS_OK; } //------------------------------------------------------------------------- PRBool nsWindow::DispatchWindowEvent(nsGUIEvent* event) { nsEventStatus status; DispatchEvent(event, status); return ConvertStatus(status); } PRBool nsWindow::DispatchWindowEvent(nsGUIEvent*event, nsEventStatus &aStatus) { DispatchEvent(event, aStatus); return ConvertStatus(aStatus); } //------------------------------------------------------------------------- // // Dispatch standard event // //------------------------------------------------------------------------- PRBool nsWindow::DispatchStandardEvent(PRUint32 aMsg) { nsGUIEvent event; event.eventStructType = NS_GUI_EVENT; InitEvent(event, aMsg); PRBool result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); return result; } //------------------------------------------------------------------------- NS_IMETHODIMP nsWindow::CaptureRollupEvents(nsIRollupListener * aListener, PRBool aDoCapture, PRBool aConsumeRollupEvent) { if (aDoCapture) { /* we haven't bothered carrying a weak reference to gRollupWidget because we believe lifespan is properly scoped. this next assertion helps assure that remains true. */ NS_ASSERTION(!gRollupWidget, "rollup widget reassigned before release"); gRollupConsumeRollupEvent = aConsumeRollupEvent; NS_IF_RELEASE(gRollupListener); NS_IF_RELEASE(gRollupWidget); gRollupListener = aListener; NS_ADDREF(aListener); gRollupWidget = this; NS_ADDREF(this); } else { NS_IF_RELEASE(gRollupListener); //gRollupListener = nsnull; NS_IF_RELEASE(gRollupWidget); } return NS_OK; } PRBool nsWindow::EventIsInsideWindow(nsWindow* aWindow) { RECT r; ::GetWindowRect(aWindow->mWnd, &r); DWORD pos = ::GetMessagePos(); POINT mp; mp.x = LOWORD(pos); mp.y = HIWORD(pos); // now make sure that it wasn't one of our children if (mp.x < r.left || mp.x > r.right || mp.y < r.top || mp.y > r.bottom) { return PR_FALSE; } return PR_TRUE; } PRBool nsWindow::IsScrollbar(HWND aWnd) { // Make sure this is one of our windows by comparing the window procedures LONG proc = ::GetWindowLong(aWnd, GWL_WNDPROC); if (proc == (LONG)&nsWindow::WindowProc) { // It is a one of our windows. nsWindow *someWindow = (nsWindow*)::GetWindowLong(aWnd, GWL_USERDATA); //This is inefficient, but this method is only called when //a popup window has been displayed, and your clicking within it. //The default window class begins with Netscape so comparing with the initial //S in SCROLLBAR will cause strcmp to immediately return. if (strcmp(someWindow->WindowClass(),"SCROLLBAR") == 0) { return PR_TRUE; } } return PR_FALSE; } //------------------------------------------------------------------------- // // the nsWindow procedure for all nsWindows in this toolkit // //------------------------------------------------------------------------- LRESULT CALLBACK nsWindow::WindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { // check to see if we have a rollup listener registered if (nsnull != gRollupListener && nsnull != gRollupWidget) { // All mouse wheel events cause the popup to rollup. // XXX: Need something more reliable then WM_MOUSEWHEEL. // This event is not always generated. The mouse wheel // is plugged into the scrollbar scrolling in odd ways // which make it difficult to find a message which will // reliably be generated when the mouse wheel changes position if (msg == WM_MOUSEWHEEL) { gRollupListener->Rollup(); return TRUE; } if (msg == WM_ACTIVATE || msg == WM_NCLBUTTONDOWN || msg == WM_LBUTTONDOWN || msg == WM_NCMBUTTONDOWN || msg == WM_NCRBUTTONDOWN) { // Rollup if the event is outside the popup if (PR_FALSE == nsWindow::EventIsInsideWindow((nsWindow*)gRollupWidget)) { gRollupListener->Rollup(); // return TRUE tells Windows that the event is consumed, // false allows the event to be dispacthed // // So if we are NOT suppose to be consuming events and it is a // non-client Mouse Button down, let it go through if (!gRollupConsumeRollupEvent && msg == WM_NCLBUTTONDOWN) { return FALSE; } else { return TRUE; } } } if ((msg == WM_MOUSEACTIVATE) && (nsWindow::EventIsInsideWindow((nsWindow*)gRollupWidget))) { // Prevent the click inside the popup from causing a change in window // activation. Since the popup is shown non-activated, we need to eat // any requests to activate the window while it is displayed. Windows // will automatically activate the popup on the mousedown otherwise. return MA_NOACTIVATE; } } // Get the window which caused the event and ask it to process the message nsWindow *someWindow = (nsWindow*)::GetWindowLong(hWnd, GWL_USERDATA); // hold on to the window for the life of this method, in case it gets // deleted during processing. yes, it's a double hack, since someWindow // is not really an interface. nsCOMPtr kungFuDeathGrip; if (!someWindow->mIsDestroying) // not if we're in the destructor! kungFuDeathGrip = do_QueryInterface((nsBaseWidget*)someWindow); // Re-direct a tab change message destined for its parent window to the // the actual window which generated the event. if (msg == WM_NOTIFY) { LPNMHDR pnmh = (LPNMHDR) lParam; if (pnmh->code == TCN_SELCHANGE) { someWindow = (nsWindow*)::GetWindowLong(pnmh->hwndFrom, GWL_USERDATA); } } if (nsnull != someWindow) { LRESULT retValue; if (PR_TRUE == someWindow->ProcessMessage(msg, wParam, lParam, &retValue)) { return retValue; } } #if defined(STRICT) return ::CallWindowProc((WNDPROC)someWindow->GetPrevWindowProc(), hWnd, msg, wParam, lParam); #else return ::CallWindowProc((FARPROC)someWindow->GetPrevWindowProc(), hWnd, msg, wParam, lParam); #endif } #ifdef MOZ_AIMM // // Default Window proceduer for AIMM support. // LRESULT CALLBACK nsWindow::DefaultWindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { if(nsToolkit::gAIMMApp) { LRESULT lResult; if (nsToolkit::gAIMMApp->OnDefWindowProc(hWnd, msg, wParam, lParam, &lResult) == S_OK) return lResult; } return ::DefWindowProc(hWnd, msg, wParam, lParam); } #endif //WINOLEAPI oleStatus; //------------------------------------------------------------------------- // // Utility method for implementing both Create(nsIWidget ...) and // Create(nsNativeWidget...) //------------------------------------------------------------------------- // This is needed for drag & drop & Clipboard support BOOL gOLEInited = FALSE; nsresult nsWindow::StandardWindowCreate(nsIWidget *aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData, nsNativeWidget aNativeParent) { nsIWidget *baseParent = aInitData && (aInitData->mWindowType == eWindowType_dialog || aInitData->mWindowType == eWindowType_toplevel) ? nsnull : aParent; mIsTopWidgetWindow = (nsnull == baseParent); BaseCreate(baseParent, aRect, aHandleEventFunction, aContext, aAppShell, aToolkit, aInitData); // See if the caller wants to explictly set clip children and clip siblings DWORD style = WindowStyle(); if (nsnull != aInitData) { if (aInitData->clipChildren) { style |= WS_CLIPCHILDREN; } else { style &= ~WS_CLIPCHILDREN; } if (aInitData->clipSiblings) { style |= WS_CLIPSIBLINGS; } } // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... // nsToolkit* toolkit = (nsToolkit *)mToolkit; if (toolkit) { if (!toolkit->IsGuiThread()) { DWORD args[7]; args[0] = (DWORD)aParent; args[1] = (DWORD)&aRect; args[2] = (DWORD)aHandleEventFunction; args[3] = (DWORD)aContext; args[4] = (DWORD)aAppShell; args[5] = (DWORD)aToolkit; args[6] = (DWORD)aInitData; if (nsnull != aParent) { // nsIWidget parent dispatch MethodInfo info(this, nsWindow::CREATE, 7, args); toolkit->CallMethod(&info); return NS_OK; } else { // Native parent dispatch MethodInfo info(this, nsWindow::CREATE_NATIVE, 5, args); toolkit->CallMethod(&info); return NS_OK; } } } HWND parent; if (nsnull != aParent) { // has a nsIWidget parent parent = ((aParent) ? (HWND)aParent->GetNativeData(NS_NATIVE_WINDOW) : nsnull); } else { // has a nsNative parent parent = (HWND)aNativeParent; } DWORD extendedStyle = WindowExStyle(); if (nsnull != aInitData) { SetWindowType(aInitData->mWindowType); SetBorderStyle(aInitData->mBorderStyle); if (mWindowType == eWindowType_dialog) { extendedStyle &= ~WS_EX_CLIENTEDGE; } else if (mWindowType == eWindowType_popup) { extendedStyle = WS_EX_TOPMOST; style = WS_POPUP; mBorderlessParent = parent; // Don't set the parent of a popup window. parent = NULL; // WS_EX_TOOLWINDOW prevents a button from being placed on // the taskbar for the popup window. extendedStyle |= WS_EX_TOOLWINDOW; } if (aInitData->mBorderStyle == eBorderStyle_default) { if (mWindowType == eWindowType_dialog) style &= ~(WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX); } else if (aInitData->mBorderStyle != eBorderStyle_all) { if (aInitData->mBorderStyle == eBorderStyle_none || !(aInitData->mBorderStyle & eBorderStyle_border)) style &= ~WS_BORDER; if (aInitData->mBorderStyle == eBorderStyle_none || !(aInitData->mBorderStyle & eBorderStyle_title)) { style &= ~WS_DLGFRAME; style |= WS_POPUP; } if (aInitData->mBorderStyle == eBorderStyle_none || !(aInitData->mBorderStyle & (eBorderStyle_close | eBorderStyle_menu))) style &= ~WS_SYSMENU; if (aInitData->mBorderStyle == eBorderStyle_none || !(aInitData->mBorderStyle & eBorderStyle_resizeh)) style &= ~WS_THICKFRAME; if (aInitData->mBorderStyle == eBorderStyle_none || !(aInitData->mBorderStyle & eBorderStyle_minimize)) style &= ~WS_MINIMIZEBOX; if (aInitData->mBorderStyle == eBorderStyle_none || !(aInitData->mBorderStyle & eBorderStyle_maximize)) style &= ~WS_MAXIMIZEBOX; } } mHas3DBorder = (extendedStyle & WS_EX_CLIENTEDGE) > 0; mWnd = ::CreateWindowEx(extendedStyle, WindowClass(), "", style, aRect.x, aRect.y, aRect.width, GetHeight(aRect.height), parent, NULL, nsToolkit::mDllInstance, NULL); VERIFY(mWnd); // Initial Drag & Drop Work if (!gOLEInited) { DWORD dwVer = ::OleBuildVersion(); if (FAILED(::OleInitialize(NULL))){ printf("***** OLE has not been initialized!\n"); } else { //if defined(DEBUG) printf("***** OLE has been initialized!\n"); } gOLEInited = TRUE; } /*mNativeDragTarget = new nsNativeDragTarget(this); if (NULL != mNativeDragTarget) { mNativeDragTarget->AddRef(); if (S_OK == ::CoLockObjectExternal((LPUNKNOWN)mNativeDragTarget,TRUE,FALSE)) { if (S_OK == ::RegisterDragDrop(mWnd, (LPDROPTARGET)mNativeDragTarget)) { } } }*/ // call the event callback to notify about creation DispatchStandardEvent(NS_CREATE); SubclassWindow(TRUE); return(NS_OK); } //------------------------------------------------------------------------- // // Create the proper widget // //------------------------------------------------------------------------- NS_METHOD nsWindow::Create(nsIWidget *aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData) { return(StandardWindowCreate(aParent, aRect, aHandleEventFunction, aContext, aAppShell, aToolkit, aInitData, nsnull)); } //------------------------------------------------------------------------- // // create with a native parent // //------------------------------------------------------------------------- NS_METHOD nsWindow::Create(nsNativeWidget aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData) { return(StandardWindowCreate(nsnull, aRect, aHandleEventFunction, aContext, aAppShell, aToolkit, aInitData, aParent)); } //------------------------------------------------------------------------- // // Close this nsWindow // //------------------------------------------------------------------------- NS_METHOD nsWindow::Destroy() { // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... nsToolkit* toolkit = (nsToolkit *)mToolkit; if (toolkit != nsnull && !toolkit->IsGuiThread()) { MethodInfo info(this, nsWindow::DESTROY); toolkit->CallMethod(&info); return NS_ERROR_FAILURE; } // disconnect from the parent if (!mIsDestroying) { nsBaseWidget::Destroy(); } EnableDragDrop(PR_FALSE); // destroy the HWND if (mWnd) { // prevent the widget from causing additional events mEventCallback = nsnull; VERIFY(::DestroyWindow(mWnd)); mWnd = NULL; //our windows can be subclassed by //others and these namless, faceless others //may not let us know about WM_DESTROY. so, //if OnDestroy() didn't get called, just call //it now. MMP if (PR_FALSE == mOnDestroyCalled) OnDestroy(); } return NS_OK; } //------------------------------------------------------------------------- // // Get this nsWindow parent // //------------------------------------------------------------------------- nsIWidget* nsWindow::GetParent(void) { if (mIsTopWidgetWindow) { // Must use a flag instead of mWindowType to tell if the window is the // owned by the topmost widget, because a child window can be embedded inside // a HWND which is not associated with a nsIWidget. return nsnull; } nsWindow* widget = nsnull; if (mWnd) { HWND parent = ::GetParent(mWnd); if (parent) { widget = (nsWindow *)::GetWindowLong(parent, GWL_USERDATA); if (widget) { // If the widget is in the process of being destroyed then // do NOT return it if (widget->mIsDestroying) { widget = nsnull; } else { NS_ADDREF(widget); } } } } return (nsIWidget*)widget; } //------------------------------------------------------------------------- // // Hide or show this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Show(PRBool bState) { if (mWnd) { if (bState) { DWORD flags = SWP_NOSIZE | SWP_NOMOVE | SWP_SHOWWINDOW; if ((mIsVisible) || (mWindowType == eWindowType_popup)) { flags |= SWP_NOZORDER; } if (mWindowType == eWindowType_popup) { flags |= SWP_NOACTIVATE; ::SetWindowPos(mWnd, HWND_TOPMOST, 0, 0, 0, 0, flags); } else { ::SetWindowPos(mWnd, HWND_TOP, 0, 0, 0, 0, flags); } } else ::ShowWindow(mWnd, SW_HIDE); } mIsVisible = bState; return NS_OK; } //------------------------------------------------------------------------- // // Return PR_TRUE if the whether the component is visible, PR_FALSE otherwise // //------------------------------------------------------------------------- NS_METHOD nsWindow::IsVisible(PRBool & bState) { bState = mIsVisible; return NS_OK; } //------------------------------------------------------------------------- // Return PR_TRUE in aForWindow if the given event should be processed // assuming this is a modal window. //------------------------------------------------------------------------- NS_METHOD nsWindow::ModalEventFilter(PRBool aRealEvent, void *aEvent, PRBool *aForWindow) { PRBool isInWindow, isMouseEvent; MSG *msg = (MSG *) aEvent; if (!aRealEvent) { *aForWindow = PR_FALSE; return NS_OK; } isInWindow = PR_FALSE; // Get native window HWND win; win = (HWND)GetNativeData(NS_NATIVE_WINDOW); // Find top most window of event window HWND eWin = msg->hwnd; if (NULL != eWin) { /*HWND parent = ::GetParent(eWin); while (parent != NULL) { eWin = parent; parent = ::GetParent(eWin); } */ if (win == eWin) isInWindow = PR_TRUE; else { RECT r; ::GetWindowRect(win, &r); if (msg->pt.x >= r.left && msg->pt.x <= r.right && msg->pt.y >= r.top && msg->pt.y <= r.bottom) isInWindow = PR_TRUE; } } // include for consideration any popup menu which may be active at the moment if (!isInWindow && gRollupWidget && EventIsInsideWindow((nsWindow*)gRollupWidget)) isInWindow = PR_TRUE; isMouseEvent = PR_FALSE; switch (msg->message) { case WM_MOUSEMOVE: case WM_LBUTTONDOWN: case WM_LBUTTONUP: case WM_LBUTTONDBLCLK: case WM_MBUTTONDOWN: case WM_MBUTTONUP: case WM_MBUTTONDBLCLK: case WM_RBUTTONDOWN: case WM_RBUTTONUP: case WM_RBUTTONDBLCLK: isMouseEvent = PR_TRUE; } *aForWindow = isInWindow || !isMouseEvent ? PR_TRUE : PR_FALSE; return NS_OK; } //------------------------------------------------------------------------- // // Move this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Move(PRInt32 aX, PRInt32 aY) { // When moving a borderless top-level window the window // must be placed relative to its parent. WIN32 wants to // place it relative to the screen, so we used the cached parent // to calculate the parent's location then add the x,y passed to // the move to get the screen coordinate for the borderless top-level // window. if (mWindowType == eWindowType_popup) { HWND parent = mBorderlessParent; if (parent) { RECT pr; VERIFY(::GetWindowRect(parent, &pr)); aX += pr.left; aY += pr.top; } } mBounds.x = aX; mBounds.y = aY; if (mWnd) { nsIWidget *par = GetParent(); HDWP deferrer = NULL; if (nsnull != par) { deferrer = ((nsWindow *)par)->mDeferredPositioner; } if (NULL != deferrer) { VERIFY(((nsWindow *)par)->mDeferredPositioner = ::DeferWindowPos(deferrer, mWnd, NULL, aX, aY, 0, 0, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE)); } else { VERIFY(::SetWindowPos(mWnd, NULL, aX, aY, 0, 0, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE)); } NS_IF_RELEASE(par); } return NS_OK; } //------------------------------------------------------------------------- // // Resize this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Resize(PRInt32 aWidth, PRInt32 aHeight, PRBool aRepaint) { NS_ASSERTION((aWidth >=0 ) , "Negative width passed to nsWindow::Resize"); NS_ASSERTION((aHeight >=0 ), "Negative height passed to nsWindow::Resize"); // Set cached value for lightweight and printing mBounds.width = aWidth; mBounds.height = aHeight; if (mWnd) { nsIWidget *par = GetParent(); HDWP deferrer = NULL; if (nsnull != par) { deferrer = ((nsWindow *)par)->mDeferredPositioner; } UINT flags = SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE; if (!aRepaint) { flags |= SWP_NOREDRAW; } if (NULL != deferrer) { VERIFY(((nsWindow *)par)->mDeferredPositioner = ::DeferWindowPos(deferrer, mWnd, NULL, 0, 0, aWidth, GetHeight(aHeight), flags)); } else { VERIFY(::SetWindowPos(mWnd, NULL, 0, 0, aWidth, GetHeight(aHeight), flags)); } NS_IF_RELEASE(par); } return NS_OK; } //------------------------------------------------------------------------- // // Resize this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Resize(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, PRBool aRepaint) { NS_ASSERTION((aWidth >=0 ), "Negative width passed to nsWindow::Resize"); NS_ASSERTION((aHeight >=0 ), "Negative height passed to nsWindow::Resize"); // Set cached value for lightweight and printing mBounds.x = aX; mBounds.y = aY; mBounds.width = aWidth; mBounds.height = aHeight; if (mWnd) { nsIWidget *par = GetParent(); HDWP deferrer = NULL; if (nsnull != par) { deferrer = ((nsWindow *)par)->mDeferredPositioner; } UINT flags = SWP_NOZORDER | SWP_NOACTIVATE; if (!aRepaint) { flags |= SWP_NOREDRAW; } if (NULL != deferrer) { VERIFY(((nsWindow *)par)->mDeferredPositioner = ::DeferWindowPos(deferrer, mWnd, NULL, aX, aY, aWidth, GetHeight(aHeight), flags)); } else { VERIFY(::SetWindowPos(mWnd, NULL, aX, aY, aWidth, GetHeight(aHeight), flags)); } NS_IF_RELEASE(par); } return NS_OK; } //------------------------------------------------------------------------- // // Enable/disable this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Enable(PRBool bState) { if (mWnd) { ::EnableWindow(mWnd, bState); } return NS_OK; } //------------------------------------------------------------------------- // // Give the focus to this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetFocus(void) { // // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... // nsToolkit* toolkit = (nsToolkit *)mToolkit; if (!toolkit->IsGuiThread()) { MethodInfo info(this, nsWindow::SET_FOCUS); toolkit->CallMethod(&info); return NS_ERROR_FAILURE; } if (mWnd) { ::SetFocus(mWnd); } return NS_OK; } //------------------------------------------------------------------------- // // Get this component dimension // //------------------------------------------------------------------------- NS_METHOD nsWindow::GetBounds(nsRect &aRect) { if (mWnd) { RECT r; VERIFY(::GetWindowRect(mWnd, &r)); // assign size aRect.width = r.right - r.left; aRect.height = r.bottom - r.top; // convert coordinates if parent exists HWND parent = ::GetParent(mWnd); if (parent) { RECT pr; VERIFY(::GetWindowRect(parent, &pr)); r.left -= pr.left; r.top -= pr.top; } aRect.x = r.left; aRect.y = r.top; } else { aRect = mBounds; } return NS_OK; } //------------------------------------------------------------------------- // // Get this component dimension // //------------------------------------------------------------------------- NS_METHOD nsWindow::GetClientBounds(nsRect &aRect) { if (mWnd) { RECT r; VERIFY(::GetClientRect(mWnd, &r)); // assign size aRect.x = 0; aRect.y = 0; aRect.width = r.right - r.left; aRect.height = r.bottom - r.top; } else { aRect.SetRect(0,0,0,0); } return NS_OK; } //get the bounds, but don't take into account the client size void nsWindow::GetNonClientBounds(nsRect &aRect) { if (mWnd) { RECT r; VERIFY(::GetWindowRect(mWnd, &r)); // assign size aRect.width = r.right - r.left; aRect.height = r.bottom - r.top; // convert coordinates if parent exists HWND parent = ::GetParent(mWnd); if (parent) { RECT pr; VERIFY(::GetWindowRect(parent, &pr)); r.left -= pr.left; r.top -= pr.top; } aRect.x = r.left; aRect.y = r.top; } else { aRect.SetRect(0,0,0,0); } } //------------------------------------------------------------------------- // // Set the background color // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetBackgroundColor(const nscolor &aColor) { nsBaseWidget::SetBackgroundColor(aColor); if (mBrush) ::DeleteObject(mBrush); mBrush = ::CreateSolidBrush(NSRGB_2_COLOREF(mBackground)); if (mWnd != NULL) { SetClassLong(mWnd, GCL_HBRBACKGROUND, (LONG)mBrush); } return NS_OK; } //------------------------------------------------------------------------- // // Get this component font // //------------------------------------------------------------------------- nsIFontMetrics* nsWindow::GetFont(void) { NS_NOTYETIMPLEMENTED("GetFont not yet implemented"); // to be implemented return NULL; } //------------------------------------------------------------------------- // // Set this component font // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetFont(const nsFont &aFont) { // Cache Font for owner draw if (mFont == nsnull) { mFont = new nsFont(aFont); } else { *mFont = aFont; } // Bail out if there is no context if (nsnull == mContext) { return NS_ERROR_FAILURE; } nsIFontMetrics* metrics; mContext->GetMetricsFor(aFont, metrics); nsFontHandle fontHandle; metrics->GetFontHandle(fontHandle); HFONT hfont = (HFONT)fontHandle; // Draw in the new font ::SendMessage(mWnd, WM_SETFONT, (WPARAM)hfont, (LPARAM)0); NS_RELEASE(metrics); return NS_OK; } //------------------------------------------------------------------------- // // Set this component cursor // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetCursor(nsCursor aCursor) { // Only change cursor if it's changing //XXX mCursor isn't always right. Scrollbars and others change it, too. //XXX If we want this optimization we need a better way to do it. //if (aCursor != mCursor) { HCURSOR newCursor = NULL; switch(aCursor) { case eCursor_select: newCursor = ::LoadCursor(NULL, IDC_IBEAM); break; case eCursor_wait: newCursor = ::LoadCursor(NULL, IDC_WAIT); break; case eCursor_hyperlink: { newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_SELECTANCHOR)); break; } case eCursor_standard: newCursor = ::LoadCursor(NULL, IDC_ARROW); break; case eCursor_sizeWE: newCursor = ::LoadCursor(NULL, IDC_SIZEWE); break; case eCursor_sizeNS: newCursor = ::LoadCursor(NULL, IDC_SIZENS); break; case eCursor_arrow_north: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWNORTH)); break; case eCursor_arrow_north_plus: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWNORTHPLUS)); break; case eCursor_arrow_south: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWSOUTH)); break; case eCursor_arrow_south_plus: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWSOUTHPLUS)); break; case eCursor_arrow_east: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWEAST)); break; case eCursor_arrow_east_plus: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWEASTPLUS)); break; case eCursor_arrow_west: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWWEST)); break; case eCursor_arrow_west_plus: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWWESTPLUS)); break; default: NS_ASSERTION(0, "Invalid cursor type"); break; } if (NULL != newCursor) { mCursor = aCursor; HCURSOR oldCursor = ::SetCursor(newCursor); } //} return NS_OK; } //------------------------------------------------------------------------- // // Invalidate this component visible area // //------------------------------------------------------------------------- NS_METHOD nsWindow::Invalidate(PRBool aIsSynchronous) { if (mWnd) { #ifdef NS_DEBUG debug_DumpInvalidate(stdout, this, nsnull, aIsSynchronous, "noname", (PRInt32) mWnd); #endif // NS_DEBUG VERIFY(::InvalidateRect(mWnd, NULL, TRUE)); if (aIsSynchronous) { VERIFY(::UpdateWindow(mWnd)); } } return NS_OK; } //------------------------------------------------------------------------- // // Invalidate this component visible area // //------------------------------------------------------------------------- NS_METHOD nsWindow::Invalidate(const nsRect & aRect, PRBool aIsSynchronous) { RECT rect; if (mWnd) { rect.left = aRect.x; rect.top = aRect.y; rect.right = aRect.x + aRect.width; rect.bottom = aRect.y + aRect.height; #ifdef NS_DEBUG debug_DumpInvalidate(stdout, this, &aRect, aIsSynchronous, "noname", (PRInt32) mWnd); #endif // NS_DEBUG VERIFY(::InvalidateRect(mWnd, &rect, TRUE)); if (aIsSynchronous) { VERIFY(::UpdateWindow(mWnd)); } } return NS_OK; } NS_IMETHODIMP nsWindow::InvalidateRegion(const nsIRegion *aRegion, PRBool aIsSynchronous) { nsresult rv = NS_OK; if (mWnd) { HRGN nativeRegion; rv = aRegion->GetNativeRegion((void *&)nativeRegion); if (nativeRegion) { if (NS_SUCCEEDED(rv)) { VERIFY(::InvalidateRgn(mWnd, nativeRegion, TRUE)); if (aIsSynchronous) { VERIFY(::UpdateWindow(mWnd)); } } } else { rv = NS_ERROR_FAILURE; } } return rv; } //------------------------------------------------------------------------- // // Force a synchronous repaint of the window // //------------------------------------------------------------------------- NS_IMETHODIMP nsWindow::Update() { // updates can come through for windows no longer holding an mWnd during // deletes triggered by JavaScript in buttons with mouse feedback if (mWnd) VERIFY(::UpdateWindow(mWnd)); return NS_OK; } //------------------------------------------------------------------------- // // Return some native data according to aDataType // //------------------------------------------------------------------------- void* nsWindow::GetNativeData(PRUint32 aDataType) { switch(aDataType) { case NS_NATIVE_WIDGET: case NS_NATIVE_WINDOW: case NS_NATIVE_PLUGIN_PORT: return (void*)mWnd; case NS_NATIVE_GRAPHIC: // XXX: This is sleezy!! Remember to Release the DC after using it! return (void*)::GetDC(mWnd); case NS_NATIVE_COLORMAP: default: break; } return NULL; } //~~~ void nsWindow::FreeNativeData(void * data, PRUint32 aDataType) { switch(aDataType) { case NS_NATIVE_GRAPHIC: ::ReleaseDC(mWnd, (HDC)data); case NS_NATIVE_WIDGET: case NS_NATIVE_WINDOW: case NS_NATIVE_PLUGIN_PORT: case NS_NATIVE_COLORMAP: break; default: break; } } //------------------------------------------------------------------------- // // Set the colormap of the window // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetColorMap(nsColorMap *aColorMap) { if (mPalette != NULL) { ::DeleteObject(mPalette); } PRUint8 *map = aColorMap->Index; LPLOGPALETTE pLogPal = (LPLOGPALETTE) new char[2 * sizeof(WORD) + aColorMap->NumColors * sizeof(PALETTEENTRY)]; pLogPal->palVersion = 0x300; pLogPal->palNumEntries = aColorMap->NumColors; for(int i = 0; i < aColorMap->NumColors; i++) { pLogPal->palPalEntry[i].peRed = *map++; pLogPal->palPalEntry[i].peGreen = *map++; pLogPal->palPalEntry[i].peBlue = *map++; pLogPal->palPalEntry[i].peFlags = 0; } mPalette = ::CreatePalette(pLogPal); delete pLogPal; NS_ASSERTION(mPalette != NULL, "Null palette"); if (mPalette != NULL) { HDC hDC = ::GetDC(mWnd); HPALETTE hOldPalette = ::SelectPalette(hDC, mPalette, TRUE); ::RealizePalette(hDC); ::SelectPalette(hDC, hOldPalette, TRUE); ::ReleaseDC(mWnd, hDC); } return NS_OK; } //------------------------------------------------------------------------- // // Scroll the bits of a window // //------------------------------------------------------------------------- //XXX Scroll is obsolete and should go away soon NS_METHOD nsWindow::Scroll(PRInt32 aDx, PRInt32 aDy, nsRect *aClipRect) { RECT trect; if (nsnull != aClipRect) { trect.left = aClipRect->x; trect.top = aClipRect->y; trect.right = aClipRect->XMost(); trect.bottom = aClipRect->YMost(); } ::ScrollWindowEx(mWnd, aDx, aDy, (nsnull != aClipRect) ? &trect : NULL, NULL, NULL, NULL, SW_INVALIDATE | SW_SCROLLCHILDREN); ::UpdateWindow(mWnd); return NS_OK; } NS_IMETHODIMP nsWindow::ScrollWidgets(PRInt32 aDx, PRInt32 aDy) { // Scroll the entire contents of the window + change the offset of any child windows ::ScrollWindowEx(mWnd, aDx, aDy, NULL, NULL, NULL, NULL, SW_INVALIDATE | SW_SCROLLCHILDREN); ::UpdateWindow(mWnd); // Force synchronous generation of NS_PAINT return NS_OK; } NS_IMETHODIMP nsWindow::ScrollRect(nsRect &aRect, PRInt32 aDx, PRInt32 aDy) { RECT trect; trect.left = aRect.x; trect.top = aRect.y; trect.right = aRect.XMost(); trect.bottom = aRect.YMost(); // Scroll the bits in the window defined by trect. // Child windows are not scrolled. ::ScrollWindowEx(mWnd, aDx, aDy, &trect, NULL, NULL, NULL, SW_INVALIDATE); ::UpdateWindow(mWnd); // Force synchronous generation of NS_PAINT return NS_OK; } //------------------------------------------------------------------------- // // Every function that needs a thread switch goes through this function // by calling SendMessage (..WM_CALLMETHOD..) in nsToolkit::CallMethod. // //------------------------------------------------------------------------- BOOL nsWindow::CallMethod(MethodInfo *info) { BOOL bRet = TRUE; switch (info->methodId) { case nsWindow::CREATE: NS_ASSERTION(info->nArgs == 7, "Wrong number of arguments to CallMethod"); Create((nsIWidget*)(info->args[0]), (nsRect&)*(nsRect*)(info->args[1]), (EVENT_CALLBACK)(info->args[2]), (nsIDeviceContext*)(info->args[3]), (nsIAppShell *)(info->args[4]), (nsIToolkit*)(info->args[5]), (nsWidgetInitData*)(info->args[6])); break; case nsWindow::CREATE_NATIVE: NS_ASSERTION(info->nArgs == 7, "Wrong number of arguments to CallMethod"); Create((nsNativeWidget)(info->args[0]), (nsRect&)*(nsRect*)(info->args[1]), (EVENT_CALLBACK)(info->args[2]), (nsIDeviceContext*)(info->args[3]), (nsIAppShell *)(info->args[4]), (nsIToolkit*)(info->args[5]), (nsWidgetInitData*)(info->args[6])); return TRUE; case nsWindow::DESTROY: NS_ASSERTION(info->nArgs == 0, "Wrong number of arguments to CallMethod"); Destroy(); break; case nsWindow::SET_FOCUS: NS_ASSERTION(info->nArgs == 0, "Wrong number of arguments to CallMethod"); SetFocus(); break; default: bRet = FALSE; break; } return bRet; } //------------------------------------------------------------------------- void nsWindow::SetUpForPaint(HDC aHDC) { ::SetBkColor (aHDC, NSRGB_2_COLOREF(mBackground)); ::SetTextColor(aHDC, NSRGB_2_COLOREF(mForeground)); ::SetBkMode (aHDC, TRANSPARENT); } //--------------------------------------------------------- NS_METHOD nsWindow::EnableDragDrop(PRBool aEnable) { nsresult rv = NS_ERROR_FAILURE; if (aEnable) { if (nsnull == mNativeDragTarget) { mNativeDragTarget = new nsNativeDragTarget(this); if (NULL != mNativeDragTarget) { mNativeDragTarget->AddRef(); if (S_OK == ::CoLockObjectExternal((LPUNKNOWN)mNativeDragTarget,TRUE,FALSE)) { if (S_OK == ::RegisterDragDrop(mWnd, (LPDROPTARGET)mNativeDragTarget)) { rv = NS_OK; } } } } } else { if (nsnull != mWnd && NULL != mNativeDragTarget) { ::RevokeDragDrop(mWnd); if (S_OK == ::CoLockObjectExternal((LPUNKNOWN)mNativeDragTarget, FALSE, TRUE)) { rv = NS_OK; } NS_RELEASE(mNativeDragTarget); } } return rv; } //------------------------------------------------------------------------- UINT nsWindow::MapFromNativeToDOM(UINT aNativeKeyCode) { if (aNativeKeyCode == 0xBB) { // equals return 0x3D; } else if (aNativeKeyCode == 0xBA) { // semicolon return 0x3B; } return aNativeKeyCode; } //------------------------------------------------------------------------- // // OnKey // //------------------------------------------------------------------------- PRBool nsWindow::DispatchKeyEvent(PRUint32 aEventType, WORD aCharCode, UINT aVirtualCharCode) { nsKeyEvent event; nsPoint point; point.x = 0; point.y = 0; InitEvent(event, aEventType, &point); // this add ref's event.widget event.charCode = aCharCode; event.keyCode = !mIMEIsComposing?MapFromNativeToDOM(aVirtualCharCode):aVirtualCharCode; #ifdef KE_DEBUG static cnt=0; printf("%d DispatchKE Type: %s charCode %d keyCode %d ", cnt++, (NS_KEY_PRESS == aEventType)?"PRESS":(aEventType == NS_KEY_UP?"Up":"Down"), event.charCode, event.keyCode); printf("Shift: %s Control %s Alt: %s \n", (mIsShiftDown?"D":"U"), (mIsControlDown?"D":"U"), (mIsAltDown?"D":"U")); printf("[%c][%c][%c] <== [%c][%c][%c][ space bar ][%c][%c][%c]\n", IS_VK_DOWN(NS_VK_SHIFT) ? 'S' : ' ', IS_VK_DOWN(NS_VK_CONTROL) ? 'C' : ' ', IS_VK_DOWN(NS_VK_ALT) ? 'A' : ' ', IS_VK_DOWN(VK_LSHIFT) ? 'S' : ' ', IS_VK_DOWN(VK_LCONTROL) ? 'C' : ' ', IS_VK_DOWN(VK_LMENU) ? 'A' : ' ', IS_VK_DOWN(VK_RMENU) ? 'A' : ' ', IS_VK_DOWN(VK_RCONTROL) ? 'C' : ' ', IS_VK_DOWN(VK_RSHIFT) ? 'S' : ' ' ); #endif event.isShift = mIsShiftDown; event.isControl = mIsControlDown; event.isMeta = PR_FALSE; event.isAlt = mIsAltDown; event.eventStructType = NS_KEY_EVENT; PRBool result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); return result; } //------------------------------------------------------------------------- // // return // EXTENDED_KEY for extended keys supported by java // SPECIAL_KEY for extended keys // DONT_PROCESS_KEY for extended keys of no interest (never exposed to java) // STANDARD_KEY for standard keys // //------------------------------------------------------------------------- #define STANDARD_KEY 1 #define EXTENDED_KEY 2 #define SPECIAL_KEY 3 #define DONT_PROCESS_KEY 4 //------------------------------------------------------------------------- ULONG nsWindow::IsSpecialChar(UINT aVirtualKeyCode, WORD *aAsciiKey) { ULONG keyType = EXTENDED_KEY; *aAsciiKey = 0; // Process non-standard Control Keys if (mIsControlDown && !mIsShiftDown && !mIsAltDown && ((aVirtualKeyCode >= 0x30 && aVirtualKeyCode <= 0x39) || // 0-9 (aVirtualKeyCode >= 0xBA && aVirtualKeyCode <= 0xC0) || // ;=,-./` (semi-colon,equals,comma,dash,period,slash,back tick) (aVirtualKeyCode == 0xDE))) { // ' (tick) *aAsciiKey = aVirtualKeyCode; return SPECIAL_KEY; } //printf("*********************** 0x%x\n", aVirtualKeyCode); switch (aVirtualKeyCode) { case VK_TAB: case VK_HOME: case VK_END: case VK_PRIOR: case VK_NEXT: case VK_UP: case VK_DOWN: case VK_LEFT: case VK_RIGHT: case VK_F1: case VK_F2: case VK_F3: case VK_F4: case VK_F5: case VK_F6: case VK_F7: case VK_F8: case VK_F9: case VK_F10: case VK_F11: case VK_F12: case VK_RETURN: case VK_BACK: *aAsciiKey = aVirtualKeyCode; break; case VK_DELETE: *aAsciiKey = '\177'; keyType = SPECIAL_KEY; break; case VK_MENU: // Let this through for XP menus. *aAsciiKey = aVirtualKeyCode; break; default: keyType = STANDARD_KEY; break; } return keyType; } //------------------------------------------------------------------------- // // //------------------------------------------------------------------------- #define WM_CHAR_LATER(vk) ( ((vk)<= VK_SPACE) || \ (('0'<=(vk))&&((vk)<='9')) || \ (('A'<=(vk))&&((vk)<='Z')) || \ ((VK_NUMPAD0 <=(vk))&&((vk)<=VK_DIVIDE)) || \ ((0xBA <=(vk))&&((vk)<=NS_VK_BACK_QUOTE)) || \ ((NS_VK_OPEN_BRACKET <=(vk))&&((vk)<=NS_VK_QUOTE)) \ ) #define NO_WM_CHAR_LATER(vk) (! WM_CHAR_LATER(vk)) BOOL nsWindow::OnKeyDown( UINT aVirtualKeyCode, UINT aScanCode) { WORD asciiKey; asciiKey = 0; //printf("In OnKeyDown ascii %d virt: %d scan: %d\n", asciiKey, aVirtualKeyCode, aScanCode); BOOL result = DispatchKeyEvent(NS_KEY_DOWN, asciiKey, aVirtualKeyCode); // XXX: this is a special case hack, should probably use IsSpecialChar and // do the right thing for all SPECIAL_KEY codes // "SPECIAL_KEY" keys don't generate a WM_CHAR, so don't generate an NS_KEY_PRESS // this is a special case for the delete key if (aVirtualKeyCode==VK_DELETE) { DispatchKeyEvent(NS_KEY_PRESS, 0, aVirtualKeyCode); } else if (NO_WM_CHAR_LATER(aVirtualKeyCode)) { DispatchKeyEvent(NS_KEY_PRESS, 0, aVirtualKeyCode); } else if (mIsControlDown && (( NS_VK_0 <= aVirtualKeyCode)&&( aVirtualKeyCode <= NS_VK_9))) { // put the 0 - 9 in charcode instead of keycode. DispatchKeyEvent(NS_KEY_PRESS, aVirtualKeyCode, 0); } return result; } //------------------------------------------------------------------------- // // //------------------------------------------------------------------------- BOOL nsWindow::OnKeyUp( UINT aVirtualKeyCode, UINT aScanCode) { WORD asciiKey; asciiKey = 0; switch (IsSpecialChar(aVirtualKeyCode, &asciiKey)) { case EXTENDED_KEY: break; case STANDARD_KEY: { BYTE keyState[256]; ::GetKeyboardState(keyState); ::ToAsciiEx(aVirtualKeyCode, aScanCode, keyState, &asciiKey, FALSE, gKeyboardLayout); } break; case SPECIAL_KEY: break; } // switch if (asciiKey) { //printf("Dispatching Key Up [%d]\n", asciiKey); DispatchKeyEvent(NS_KEY_UP, asciiKey, aVirtualKeyCode); } // always let the def proc process a WM_KEYUP return FALSE; } //------------------------------------------------------------------------- // // //------------------------------------------------------------------------- BOOL nsWindow::OnChar( UINT mbcsCharCode, UINT virtualKeyCode, bool isMultiByte ) { wchar_t uniChar; char charToConvert[2]; size_t length; { charToConvert[0] = LOBYTE(mbcsCharCode); length=1; } if(mIsControlDown && (virtualKeyCode <= 0x1A)) // Ctrl+A Ctrl+Z, see Programming Windows 3.1 page 110 for details { // need to account for shift here. bug 16486 if ( mIsShiftDown ) uniChar = virtualKeyCode - 1 + 'A' ; else uniChar = virtualKeyCode - 1 + 'a' ; virtualKeyCode = 0; } else { // 0x20 - SPACE, 0x3D - EQUALS if(virtualKeyCode < 0x20 || (virtualKeyCode == 0x3D && mIsControlDown)) { uniChar = 0; } else { ::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED,charToConvert,length, &uniChar,sizeof(uniChar)); virtualKeyCode = 0; mIsShiftDown = PR_FALSE; } } return DispatchKeyEvent(NS_KEY_PRESS, uniChar, virtualKeyCode); //return FALSE; } //------------------------------------------------------------------------- // // Process all nsWindows messages // //------------------------------------------------------------------------- static PRBool gJustGotDeactivate = PR_FALSE; static PRBool gJustGotActivate = PR_FALSE; PRBool nsWindow::ProcessMessage(UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *aRetValue) { static UINT vkKeyCached = 0; // caches VK code fon WM_KEYDOWN static BOOL firstTime = TRUE; // for mouse wheel logic static int iDeltaPerLine, iAccumDelta ; // for mouse wheel logic ULONG ulScrollLines ; // for mouse wheel logic PRBool result = PR_FALSE; // call the default nsWindow proc nsPaletteInfo palInfo; *aRetValue = 0; switch (msg) { case WM_COMMAND: { WORD wNotifyCode = HIWORD(wParam); // notification code if ((CBN_SELENDOK == wNotifyCode) || (CBN_SELENDCANCEL == wNotifyCode)) { // Combo box change nsGUIEvent event; event.eventStructType = NS_GUI_EVENT; nsPoint point(0,0); InitEvent(event, NS_CONTROL_CHANGE, &point); // this add ref's event.widget result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); } else if (wNotifyCode == 0) { // Menu selection nsMenuEvent event; event.mCommand = LOWORD(wParam); event.eventStructType = NS_MENU_EVENT; InitEvent(event, NS_MENU_SELECTED); result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); } } break; case WM_DISPLAYCHANGE: DispatchStandardEvent(NS_DISPLAYCHANGED); break; case WM_ENTERIDLE: { nsresult rv; NS_WITH_SERVICE(nsITimerQueue, queue, kTimerManagerCID, &rv); if (!NS_FAILED(rv)) { if (queue->HasReadyTimers(NS_PRIORITY_LOWEST)) { MSG wmsg; do { //printf("fire\n"); queue->FireNextReadyTimer(NS_PRIORITY_LOWEST); } while (queue->HasReadyTimers(NS_PRIORITY_LOWEST) && !::PeekMessage(&wmsg, NULL, 0, 0, PM_NOREMOVE)); } } } break; case WM_NOTIFY: // TAB change { LPNMHDR pnmh = (LPNMHDR) lParam; switch (pnmh->code) { case TCN_SELCHANGE: { DispatchStandardEvent(NS_TABCHANGE); result = PR_TRUE; } break; } } break; case WM_MOVE: // Window moved { PRInt32 x = (PRInt32)LOWORD(lParam); // horizontal position in screen coordinates PRInt32 y = (PRInt32)HIWORD(lParam); // vertical position in screen coordinates result = OnMove(x, y); } break; case WM_CLOSE: // close request DispatchStandardEvent(NS_XUL_CLOSE); result = PR_TRUE; // abort window closure break; case WM_DESTROY: // clean up. OnDestroy(); result = PR_TRUE; break; case WM_PAINT: result = OnPaint(); break; case WM_SYSCHAR: case WM_CHAR: { #ifdef KE_DEBUG printf("%s\tchar=%c\twp=%4x\tlp=%8x\n", (msg == WM_SYSCHAR) ? "WM_SYSCHAR" : "WM_CHAR" , wParam, wParam, lParam); #endif mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT); if(WM_SYSCHAR==msg) { mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL); mIsAltDown = IS_VK_DOWN(NS_VK_ALT); } else { // WM_KEYUP // If the Context Code bit is down and we got a WM_KEY // it is a key press for character, not accelerator // see p246 of Programming Windows 95 [Charles Petzold] for details mIsControlDown = (0 == (KF_ALTDOWN & HIWORD(lParam)))&& IS_VK_DOWN(NS_VK_CONTROL); mIsAltDown = (0 == (KF_ALTDOWN & HIWORD(lParam)))&& IS_VK_DOWN(NS_VK_ALT); } unsigned char ch = (unsigned char)wParam; UINT char_result; // // check first for backspace or return, handle them specially // if (ch==0x0d || ch==0x08) { result = OnChar(ch,ch==0x0d ? VK_RETURN : VK_BACK,true); break; } { char_result = ch; result = OnChar(char_result,ch,false); } break; } case WM_SYSKEYUP: case WM_KEYUP: #ifdef KE_DEBUG printf("%s\t\twp=%x\tlp=%x\n", (WM_KEYUP==msg)?"WM_KEYUP":"WM_SYSKEYUP" , wParam, lParam); #endif mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT); if(WM_SYSKEYUP==msg) { mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL); mIsAltDown = IS_VK_DOWN(NS_VK_ALT); } else { // WM_KEYUP // If the Context Code bit is down and we got a WM_KEY // it is a key press for character, not accelerator // see p246 of Programming Windows 95 [Charles Petzold] for details mIsControlDown = (0 == (KF_ALTDOWN & HIWORD(lParam)))&& IS_VK_DOWN(NS_VK_CONTROL); mIsAltDown = (0 == (KF_ALTDOWN & HIWORD(lParam)))&& IS_VK_DOWN(NS_VK_ALT); } // Note- The origional code pass (HIWORD(lParam)) to OnKeyUp as // scan code. Howerver, this break Alt+Num pad input. // http://msdn.microsoft.com/library/psdk/winui/keybinpt_8qp5.htm // state the following- // Typically, ToAscii performs the translation based on the // virtual-key code. In some cases, however, bit 15 of the // uScanCode parameter may be used to distinguish between a key // press and a key release. The scan code is used for // translating ALT+number key combinations. if (!mIMEIsComposing) result = OnKeyUp(wParam, (HIWORD(lParam) )); else result = PR_FALSE; break; // Let ths fall through if it isn't a key pad case WM_SYSKEYDOWN: case WM_KEYDOWN: { #ifdef KE_DEBUG printf("%s\t\twp=%4x\tlp=%8x\n", (WM_KEYDOWN==msg)?"WM_KEYDOWN":"WM_SYSKEYDOWN" , wParam, lParam); #endif mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT); if(WM_SYSKEYDOWN==msg) { mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL); mIsAltDown = IS_VK_DOWN(NS_VK_ALT); } else { // WM_KEYUP // If the Context Code bit is down and we got a WM_KEY // If the Context Code bit is down and we got a WM_KEY // it is a key press for character, not accelerator // see p246 of Programming Windows 95 [Charles Petzold] for details mIsControlDown = (0 == (KF_ALTDOWN & HIWORD(lParam)))&& IS_VK_DOWN(NS_VK_CONTROL); mIsAltDown = (0 == (KF_ALTDOWN & HIWORD(lParam)))&& IS_VK_DOWN(NS_VK_ALT); } // Note- The origional code pass (HIWORD(lParam)) to OnKeyDown as // scan code. Howerver, this break Alt+Num pad input. // http://msdn.microsoft.com/library/psdk/winui/keybinpt_8qp5.htm // state the following- // Typically, ToAscii performs the translation based on the // virtual-key code. In some cases, however, bit 15 of the // uScanCode parameter may be used to distinguish between a key // press and a key release. The scan code is used for // translating ALT+number key combinations. if (!mIMEIsComposing) result = OnKeyDown(wParam, (HIWORD(lParam))); else result = PR_FALSE; } if (wParam == VK_MENU) { // This is required to make XP menus work. // Do not remove! Talk to me if you have // questions. - hyatt@netscape.com result = PR_TRUE; *aRetValue = 0; } break; // say we've dealt with erase background if widget does // not need auto-erasing case WM_ERASEBKGND: if (! AutoErase()) { *aRetValue = 1; result = PR_TRUE; } break; case WM_MOUSEMOVE: //RelayMouseEvent(msg,wParam, lParam); result = DispatchMouseEvent(NS_MOUSE_MOVE); break; case WM_LBUTTONDOWN: //SetFocus(); // this is bad //RelayMouseEvent(msg,wParam, lParam); { result = DispatchMouseEvent(NS_MOUSE_LEFT_BUTTON_DOWN); } break; case WM_LBUTTONUP: //RelayMouseEvent(msg,wParam, lParam); result = DispatchMouseEvent(NS_MOUSE_LEFT_BUTTON_UP); break; case WM_LBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_LEFT_DOUBLECLICK); break; case WM_MBUTTONDOWN: { result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_DOWN); } break; case WM_MBUTTONUP: result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_UP); break; case WM_MBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_DOWN); break; case WM_RBUTTONDOWN: { result = DispatchMouseEvent(NS_MOUSE_RIGHT_BUTTON_DOWN); } break; case WM_RBUTTONUP: result = DispatchMouseEvent(NS_MOUSE_RIGHT_BUTTON_UP); break; case WM_RBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_RIGHT_DOUBLECLICK); break; case WM_HSCROLL: case WM_VSCROLL: // check for the incoming nsWindow handle to be null in which case // we assume the message is coming from a horizontal scrollbar inside // a listbox and we don't bother processing it (well, we don't have to) if (lParam) { nsWindow* scrollbar = (nsWindow*)::GetWindowLong((HWND)lParam, GWL_USERDATA); if (scrollbar) { result = scrollbar->OnScroll(LOWORD(wParam), (short)HIWORD(wParam)); } } break; case WM_CTLCOLORLISTBOX: case WM_CTLCOLOREDIT: case WM_CTLCOLORBTN: //case WM_CTLCOLORSCROLLBAR: //XXX causes a the scrollbar to be drawn incorrectly case WM_CTLCOLORSTATIC: if (lParam) { nsWindow* control = (nsWindow*)::GetWindowLong((HWND)lParam, GWL_USERDATA); if (control) { control->SetUpForPaint((HDC)wParam); *aRetValue = (LPARAM)control->OnControlColor(); } } result = PR_TRUE; break; case WM_ACTIVATE: if (mEventCallback) { PRInt32 fActive = LOWORD(wParam); if(WA_INACTIVE == fActive) { gJustGotDeactivate = PR_TRUE; } else { gJustGotActivate = PR_TRUE; nsMouseEvent event; event.eventStructType = NS_GUI_EVENT; InitEvent(event, NS_MOUSE_ACTIVATE); event.acceptActivation = PR_TRUE; PRBool result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); if(event.acceptActivation) *aRetValue = MA_ACTIVATE; else *aRetValue = MA_NOACTIVATE; } } break; case WM_SETFOCUS: result = DispatchFocus(NS_GOTFOCUS); if(gJustGotActivate) { gJustGotActivate = PR_FALSE; result = DispatchFocus(NS_ACTIVATE); } break; case WM_KILLFOCUS: result = DispatchFocus(NS_LOSTFOCUS); if(gJustGotDeactivate) { gJustGotDeactivate = PR_FALSE; result = DispatchFocus(NS_DEACTIVATE); } break; case WM_WINDOWPOSCHANGED: { WINDOWPOS *wp = (LPWINDOWPOS)lParam; // We only care about a resize, so filter out things like z-order // changes. Note: there's a WM_MOVE handler above which is why we're // not handling them here... if (0 == (wp->flags & SWP_NOSIZE)) { // XXX Why are we using the client size area? If the size notification // is for the client area then the origin should be (0,0) and not // the window origin in screen coordinates... RECT r; ::GetWindowRect(mWnd, &r); PRInt32 newWidth, newHeight; newWidth = PRInt32(r.right - r.left); newHeight = PRInt32(r.bottom - r.top); nsRect rect(wp->x, wp->y, newWidth, newHeight); //if (newWidth != mBounds.width) { RECT drect; //getting wider drect.left = wp->x + mBounds.width; drect.top = wp->y; drect.right = drect.left + (newWidth - mBounds.width); drect.bottom = drect.top + newHeight; // ::InvalidateRect(mWnd, NULL, FALSE); // ::InvalidateRect(mWnd, &drect, FALSE); ::RedrawWindow(mWnd, &drect, NULL, RDW_INVALIDATE | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_ERASENOW | RDW_ALLCHILDREN); } //if (newHeight != mBounds.height) { RECT drect; //getting taller drect.left = wp->x; drect.top = wp->y + mBounds.height; drect.right = drect.left + newWidth; drect.bottom = drect.top + (newHeight - mBounds.height); // ::InvalidateRect(mWnd, NULL, FALSE); // ::InvalidateRect(mWnd, &drect, FALSE); ::RedrawWindow(mWnd, &drect, NULL, RDW_INVALIDATE | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_ERASENOW | RDW_ALLCHILDREN); } mBounds.width = newWidth; mBounds.height = newHeight; ///nsRect rect(wp->x, wp->y, wp->cx, wp->cy); // recalculate the width and height // this time based on the client area if (::GetClientRect(mWnd, &r)) { rect.width = PRInt32(r.right - r.left); rect.height = PRInt32(r.bottom - r.top); } result = OnResize(rect); } break; } case WM_SETTINGCHANGE: firstTime = TRUE; // Fall through case WM_MOUSEWHEEL: { if (firstTime) { firstTime = FALSE; SystemParametersInfo (104, 0, &ulScrollLines, 0) ; // ulScrollLines usually equals 3 or 0 (for no scrolling) // WHEEL_DELTA equals 120, so iDeltaPerLine will be 40 if (ulScrollLines) iDeltaPerLine = WHEEL_DELTA / ulScrollLines ; else iDeltaPerLine = 0 ; if (msg == WM_SETTINGCHANGE) { return 0; } } if (iDeltaPerLine == 0) return 0; nsMouseScrollEvent scrollEvent; scrollEvent.deltaLines = -((short) HIWORD (wParam) / iDeltaPerLine); scrollEvent.eventStructType = NS_MOUSE_SCROLL_EVENT; scrollEvent.isShift = IS_VK_DOWN(NS_VK_SHIFT); scrollEvent.isControl = IS_VK_DOWN(NS_VK_CONTROL); scrollEvent.isMeta = PR_FALSE; scrollEvent.isAlt = IS_VK_DOWN(NS_VK_ALT); InitEvent(scrollEvent, NS_MOUSE_SCROLL); if (nsnull != mEventCallback) result = DispatchWindowEvent(&scrollEvent); NS_RELEASE(scrollEvent.widget); } break; case WM_PALETTECHANGED: if ((HWND)wParam == mWnd) { // We caused the WM_PALETTECHANGED message so avoid realizing // another foreground palette result = PR_TRUE; break; } // fall thru... case WM_QUERYNEWPALETTE: // this window is about to become active mContext->GetPaletteInfo(palInfo); if (palInfo.isPaletteDevice && palInfo.palette) { HDC hDC = ::GetDC(mWnd); HPALETTE hOldPal = ::SelectPalette(hDC, (HPALETTE)palInfo.palette, TRUE); // Realize the drawing palette int i = ::RealizePalette(hDC); //printf("number of colors that changed=%d\n",i); // we should always invalidate.. because the lookup may have changed ::InvalidateRect(mWnd, (LPRECT)NULL, TRUE); ::ReleaseDC(mWnd, hDC); *aRetValue = TRUE; } result = PR_TRUE; break; case WM_INPUTLANGCHANGEREQUEST: *aRetValue = TRUE; result = PR_FALSE; break; case WM_INPUTLANGCHANGE: result = OnInputLangChange((HKL)lParam, aRetValue); break; case WM_IME_STARTCOMPOSITION: result = OnIMEStartComposition(); break; case WM_IME_COMPOSITION: result = OnIMEComposition(lParam); break; case WM_IME_ENDCOMPOSITION: result = OnIMEEndComposition(); break; case WM_IME_CHAR: result = OnIMEChar((BYTE)(wParam>>8), (BYTE) (wParam & 0x00FF), lParam); break; case WM_IME_NOTIFY: result = OnIMENotify(wParam, lParam, aRetValue); break; #if 0 // This is a Window 98/2000 only message case WM_IME_REQUEST: result = OnIMERequest(wParam, lParam, aRetValue); break; #endif case WM_IME_SELECT: result = OnIMESelect(wParam, (WORD)(lParam & 0x0FFFF)); break; case WM_IME_SETCONTEXT: result = OnIMESetContext(wParam, lParam); break; case WM_DROPFILES: { /*HDROP hDropInfo = (HDROP) wParam; UINT nFiles = ::DragQueryFile(hDropInfo, (UINT)-1, NULL, 0); for (UINT iFile = 0; iFile < nFiles; iFile++) { TCHAR szFileName[_MAX_PATH]; ::DragQueryFile(hDropInfo, iFile, szFileName, _MAX_PATH); printf("szFileName [%s]\n", szFileName); nsAutoString fileStr(szFileName); nsEventStatus status; nsDragDropEvent event; InitEvent(event, NS_DRAGDROP_EVENT); event.mType = nsDragDropEventStatus_eDrop; event.mIsFileURL = PR_FALSE; event.mURL = (PRUnichar *)fileStr.GetUnicode(); DispatchEvent(&event, status); }*/ } break; case WM_DESTROYCLIPBOARD: { nsIClipboard* clipboard; nsresult rv = nsServiceManager::GetService(kCClipboardCID, NS_GET_IID(nsIClipboard), (nsISupports **)&clipboard); clipboard->EmptyClipboard(); nsServiceManager::ReleaseService(kCClipboardCID, clipboard); } break; } //*aRetValue = result; if (mWnd) { return result; } else { //Events which caused mWnd destruction and aren't consumed //will crash during the Windows default processing. return PR_TRUE; } } //------------------------------------------------------------------------- // // return the window class name and initialize the class if needed // //------------------------------------------------------------------------- LPCTSTR nsWindow::WindowClass() { const LPCTSTR className = "NetscapeWindowClass"; if (!nsWindow::sIsRegistered) { WNDCLASS wc; // wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; wc.style = CS_DBLCLKS; #ifdef MOZ_AIMM wc.lpfnWndProc = nsWindow::DefaultWindowProc; #else wc.lpfnWndProc = ::DefWindowProc; #endif wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = nsToolkit::mDllInstance; wc.hIcon = ::LoadIcon(NULL, IDI_APPLICATION); wc.hCursor = NULL; wc.hbrBackground = mBrush; wc.lpszMenuName = NULL; wc.lpszClassName = className; nsWindow::sIsRegistered = ::RegisterClass(&wc); #ifdef MOZ_AIMM // Call FilterClientWindows method since it enables ActiveIME on CJK Windows if(nsToolkit::gAIMMApp) nsToolkit::gAIMMApp->FilterClientWindows((ATOM*)&nsWindow::sIsRegistered,1); #endif // MOZ_AIMM } return className; } //------------------------------------------------------------------------- // // return nsWindow styles // //------------------------------------------------------------------------- DWORD nsWindow::WindowStyle() { return WS_OVERLAPPEDWINDOW; } //------------------------------------------------------------------------- // // return nsWindow extended styles // //------------------------------------------------------------------------- DWORD nsWindow::WindowExStyle() { return WS_EX_WINDOWEDGE; } // ----------------------------------------------------------------------- // // Subclass (or remove the subclass from) this component's nsWindow // // ----------------------------------------------------------------------- void nsWindow::SubclassWindow(BOOL bState) { if (NULL != mWnd) { NS_PRECONDITION(::IsWindow(mWnd), "Invalid window handle"); if (bState) { // change the nsWindow proc mPrevWndProc = (WNDPROC)::SetWindowLong(mWnd, GWL_WNDPROC, (LONG)nsWindow::WindowProc); NS_ASSERTION(mPrevWndProc, "Null standard window procedure"); // connect the this pointer to the nsWindow handle ::SetWindowLong(mWnd, GWL_USERDATA, (LONG)this); } else { ::SetWindowLong(mWnd, GWL_WNDPROC, (LONG)mPrevWndProc); ::SetWindowLong(mWnd, GWL_USERDATA, (LONG)NULL); mPrevWndProc = NULL; } } } //------------------------------------------------------------------------- // // WM_DESTROY has been called // //------------------------------------------------------------------------- void nsWindow::OnDestroy() { mOnDestroyCalled = PR_TRUE; SubclassWindow(FALSE); mWnd = NULL; // free GDI objects if (mBrush) { VERIFY(::DeleteObject(mBrush)); mBrush = NULL; } if (mPalette) { VERIFY(::DeleteObject(mPalette)); mPalette = NULL; } // if we were in the middle of deferred window positioning then // free the memory for the multiple-window position structure if (mDeferredPositioner) { VERIFY(::EndDeferWindowPos(mDeferredPositioner)); mDeferredPositioner = NULL; } // release references to children, device context, toolkit, and app shell nsBaseWidget::OnDestroy(); // dispatch the event if (!mIsDestroying) { // dispatching of the event may cause the reference count to drop to 0 // and result in this object being destroyed. To avoid that, add a reference // and then release it after dispatching the event AddRef(); DispatchStandardEvent(NS_DESTROY); Release(); } } //------------------------------------------------------------------------- // // Move // //------------------------------------------------------------------------- PRBool nsWindow::OnMove(PRInt32 aX, PRInt32 aY) { nsGUIEvent event; InitEvent(event, NS_MOVE); event.point.x = aX; event.point.y = aY; event.eventStructType = NS_GUI_EVENT; PRBool result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); return result; } //------------------------------------------------------------------------- // // Paint // //------------------------------------------------------------------------- PRBool nsWindow::OnPaint() { nsRect bounds; PRBool result = PR_TRUE; PAINTSTRUCT ps; nsEventStatus eventStatus = nsEventStatus_eIgnore; #ifdef NS_DEBUG HRGN debugPaintFlashRegion = NULL; HDC debugPaintFlashDC = NULL; if (debug_WantPaintFlashing()) { debugPaintFlashRegion = ::CreateRectRgn(0, 0, 0, 0); ::GetUpdateRgn(mWnd, debugPaintFlashRegion, TRUE); debugPaintFlashDC = ::GetDC(mWnd); } #endif // NS_DEBUG HDC hDC = ::BeginPaint(mWnd, &ps); // XXX What is this check doing? If it's trying to check for an empty // paint rect then use the IsRectEmpty() function... if (ps.rcPaint.left || ps.rcPaint.right || ps.rcPaint.top || ps.rcPaint.bottom) { // call the event callback if (mEventCallback) { nsPaintEvent event; InitEvent(event, NS_PAINT); nsRect rect(ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right - ps.rcPaint.left, ps.rcPaint.bottom - ps.rcPaint.top); event.rect = ▭ event.eventStructType = NS_PAINT_EVENT; #ifdef NS_DEBUG debug_DumpPaintEvent(stdout, this, &event, "noname", (PRInt32) mWnd); #endif // NS_DEBUG if (NS_OK == nsComponentManager::CreateInstance(kRenderingContextCID, nsnull, NS_GET_IID(nsIRenderingContext), (void **)&event.renderingContext)) { nsIRenderingContextWin *winrc; if (NS_OK == event.renderingContext->QueryInterface(NS_GET_IID(nsIRenderingContextWin), (void **)&winrc)) { nsDrawingSurface surf; //i know all of this seems a little backwards. i'll fix it, i swear. MMP if (NS_OK == winrc->CreateDrawingSurface(hDC, surf)) { event.renderingContext->Init(mContext, surf); result = DispatchWindowEvent(&event, eventStatus); event.renderingContext->DestroyDrawingSurface(surf); } NS_RELEASE(winrc); } NS_RELEASE(event.renderingContext); } else result = PR_FALSE; NS_RELEASE(event.widget); } } ::EndPaint(mWnd, &ps); #ifdef NS_DEBUG if (debug_WantPaintFlashing()) { // Only flash paint events which have not ignored the paint message. // Those that ignore the paint message aren't painting anything so there // is only the overhead of the dispatching the paint event. if (nsEventStatus_eIgnore != eventStatus) { ::InvertRgn(debugPaintFlashDC, debugPaintFlashRegion); int x; for (x = 0; x < 1000000; x++); ::InvertRgn(debugPaintFlashDC, debugPaintFlashRegion); for (x = 0; x < 1000000; x++); } ::ReleaseDC(mWnd, debugPaintFlashDC); ::DeleteObject(debugPaintFlashRegion); } #endif // NS_DEBUG return result; } //------------------------------------------------------------------------- // // Send a resize message to the listener // //------------------------------------------------------------------------- PRBool nsWindow::OnResize(nsRect &aWindowRect) { // call the event callback if (mEventCallback) { nsSizeEvent event; InitEvent(event, NS_SIZE); event.windowSize = &aWindowRect; event.eventStructType = NS_SIZE_EVENT; RECT r; if (::GetWindowRect(mWnd, &r)) { event.mWinWidth = PRInt32(r.right - r.left); event.mWinHeight = PRInt32(r.bottom - r.top); } else { event.mWinWidth = 0; event.mWinHeight = 0; } PRBool result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); return result; } return PR_FALSE; } //------------------------------------------------------------------------- // // Deal with all sort of mouse event // //------------------------------------------------------------------------- PRBool nsWindow::DispatchMouseEvent(PRUint32 aEventType, nsPoint* aPoint) { PRBool result = PR_FALSE; if (nsnull == mEventCallback && nsnull == mMouseListener) { return result; } nsMouseEvent event; InitEvent(event, aEventType, aPoint); event.isShift = IS_VK_DOWN(NS_VK_SHIFT); event.isControl = IS_VK_DOWN(NS_VK_CONTROL); event.isMeta = PR_FALSE; event.isAlt = IS_VK_DOWN(NS_VK_ALT); event.eventStructType = NS_MOUSE_EVENT; //Dblclicks are used to set the click count, then changed to mousedowns if (aEventType == NS_MOUSE_LEFT_DOUBLECLICK || aEventType == NS_MOUSE_RIGHT_DOUBLECLICK) { event.message = (aEventType == NS_MOUSE_LEFT_DOUBLECLICK) ? NS_MOUSE_LEFT_BUTTON_DOWN : NS_MOUSE_RIGHT_BUTTON_DOWN; event.clickCount = 2; } else { event.clickCount = 1; } nsPluginEvent pluginEvent; switch (aEventType)//~~~ { case NS_MOUSE_LEFT_BUTTON_DOWN: pluginEvent.event = WM_LBUTTONDOWN; break; case NS_MOUSE_LEFT_BUTTON_UP: pluginEvent.event = WM_LBUTTONUP; break; case NS_MOUSE_LEFT_DOUBLECLICK: pluginEvent.event = WM_LBUTTONDBLCLK; break; case NS_MOUSE_RIGHT_BUTTON_DOWN: pluginEvent.event = WM_RBUTTONDOWN; break; case NS_MOUSE_RIGHT_BUTTON_UP: pluginEvent.event = WM_RBUTTONUP; break; case NS_MOUSE_RIGHT_DOUBLECLICK: pluginEvent.event = WM_RBUTTONDBLCLK; break; case NS_MOUSE_MIDDLE_BUTTON_DOWN: pluginEvent.event = WM_MBUTTONDOWN; break; case NS_MOUSE_MIDDLE_BUTTON_UP: pluginEvent.event = WM_MBUTTONUP; break; case NS_MOUSE_MIDDLE_DOUBLECLICK: pluginEvent.event = WM_MBUTTONDBLCLK; break; case NS_MOUSE_MOVE: pluginEvent.event = WM_MOUSEMOVE; break; default: break; } pluginEvent.wParam = 0; pluginEvent.wParam |= (event.isShift) ? MK_SHIFT : 0; pluginEvent.wParam |= (event.isControl) ? MK_CONTROL : 0; pluginEvent.lParam = MAKELONG(event.point.x, event.point.y); event.nativeMsg = (void *)&pluginEvent; // call the event callback if (nsnull != mEventCallback) { result = DispatchWindowEvent(&event); if (aEventType == NS_MOUSE_MOVE) { // if we are not in mouse cpature mode (mouse down and hold) // then use "this" window // if we are in mouse capture, then all events are being directed // back to the nsWindow doing the capture. So therefore, the detection // of whether we are in a new nsWindow is wrong. Meaning this MOUSE_MOVE // event hold the captured windows pointer not the one the mouse is over. // // So we use "WindowFromPoint" to find what window we are over and // set that window into the mouse trailer timer. if (!mIsInMouseCapture) { MouseTrailer * mouseTrailer = MouseTrailer::GetMouseTrailer(0); MouseTrailer::SetMouseTrailerWindow(this); mouseTrailer->CreateTimer(); } else { POINT mp; DWORD pos = ::GetMessagePos(); mp.x = LOWORD(pos); mp.y = HIWORD(pos); // OK, now find out if we are still inside // the captured native window POINT cpos; cpos.x = LOWORD(pos); cpos.y = HIWORD(pos); nsWindow * someWindow = NULL; HWND hWnd = ::WindowFromPoint(mp); if (hWnd != NULL) { ::ScreenToClient(hWnd, &cpos); RECT r; VERIFY(::GetWindowRect(hWnd, &r)); if (cpos.x >= r.left && cpos.x <= r.right && cpos.y >= r.top && cpos.y <= r.bottom) { // yes we are so we should be able to get a valid window // although, strangley enough when we are on the frame part of the // window we get right here when in capture mode // but this window won't match the capture mode window so // we are ok someWindow = (nsWindow*)::GetWindowLong(hWnd, GWL_USERDATA); } } // only set the window into the mouse trailer if we have a good window if (nsnull != someWindow) { MouseTrailer * mouseTrailer = MouseTrailer::GetMouseTrailer(0); MouseTrailer::SetMouseTrailerWindow(someWindow); mouseTrailer->CreateTimer(); } } nsRect rect; GetBounds(rect); rect.x = 0; rect.y = 0; if (rect.Contains(event.point.x, event.point.y)) { if (gCurrentWindow == NULL || gCurrentWindow != this) { if ((nsnull != gCurrentWindow) && (!gCurrentWindow->mIsDestroying)) { MouseTrailer::IgnoreNextCycle(); gCurrentWindow->DispatchMouseEvent(NS_MOUSE_EXIT, gCurrentWindow->GetLastPoint()); } gCurrentWindow = this; if (!mIsDestroying) { gCurrentWindow->DispatchMouseEvent(NS_MOUSE_ENTER); } } } } else if (aEventType == NS_MOUSE_EXIT) { if (gCurrentWindow == this) { gCurrentWindow = nsnull; } } NS_RELEASE(event.widget); return result; } if (nsnull != mMouseListener) { switch (aEventType) { case NS_MOUSE_MOVE: { result = ConvertStatus(mMouseListener->MouseMoved(event)); nsRect rect; GetBounds(rect); if (rect.Contains(event.point.x, event.point.y)) { if (gCurrentWindow == NULL || gCurrentWindow != this) { gCurrentWindow = this; } } else { //printf("Mouse exit"); } } break; case NS_MOUSE_LEFT_BUTTON_DOWN: case NS_MOUSE_MIDDLE_BUTTON_DOWN: case NS_MOUSE_RIGHT_BUTTON_DOWN: result = ConvertStatus(mMouseListener->MousePressed(event)); break; case NS_MOUSE_LEFT_BUTTON_UP: case NS_MOUSE_MIDDLE_BUTTON_UP: case NS_MOUSE_RIGHT_BUTTON_UP: result = ConvertStatus(mMouseListener->MouseReleased(event)); result = ConvertStatus(mMouseListener->MouseClicked(event)); break; } // switch } NS_RELEASE(event.widget); return result; } //------------------------------------------------------------------------- // // Deal with focus messages // //------------------------------------------------------------------------- PRBool nsWindow::DispatchFocus(PRUint32 aEventType) { // call the event callback if (mEventCallback) { nsGUIEvent event; event.eventStructType = NS_GUI_EVENT; InitEvent(event, aEventType); //focus and blur event should go to their base widget loc, not current mouse pos event.point.x = 0; event.point.y = 0; nsPluginEvent pluginEvent; switch (aEventType)//~~~ { case NS_GOTFOCUS: pluginEvent.event = WM_SETFOCUS; break; case NS_LOSTFOCUS: pluginEvent.event = WM_KILLFOCUS; break; default: break; } event.nativeMsg = (void *)&pluginEvent; PRBool result = DispatchWindowEvent(&event); NS_RELEASE(event.widget); return result; } return PR_FALSE; } //------------------------------------------------------------------------- // // Deal with scrollbar messages (actually implemented only in nsScrollbar) // //------------------------------------------------------------------------- PRBool nsWindow::OnScroll(UINT scrollCode, int cPos) { return PR_FALSE; } //------------------------------------------------------------------------- // // Return the brush used to paint the background of this control // //------------------------------------------------------------------------- HBRUSH nsWindow::OnControlColor() { return mBrush; } //------------------------------------------------------------------------- // // return the style for a child nsWindow // //------------------------------------------------------------------------- DWORD ChildWindow::WindowStyle() { // return WS_CHILD | WS_CLIPCHILDREN | GetBorderStyle(mBorderStyle); return WS_CHILD | WS_CLIPCHILDREN | GetWindowType(mWindowType); } //------------------------------------------------------------------------- // // Deal with all sort of mouse event // //------------------------------------------------------------------------- PRBool ChildWindow::DispatchMouseEvent(PRUint32 aEventType, nsPoint* aPoint) { PRBool result = PR_FALSE; if (nsnull == mEventCallback && nsnull == mMouseListener) { return result; } switch (aEventType) { case NS_MOUSE_LEFT_BUTTON_DOWN: case NS_MOUSE_MIDDLE_BUTTON_DOWN: case NS_MOUSE_RIGHT_BUTTON_DOWN: CaptureMouse(PR_TRUE); break; case NS_MOUSE_LEFT_BUTTON_UP: case NS_MOUSE_MIDDLE_BUTTON_UP: case NS_MOUSE_RIGHT_BUTTON_UP: CaptureMouse(PR_FALSE); break; default: break; } // switch return nsWindow::DispatchMouseEvent(aEventType, aPoint); } DWORD nsWindow::GetWindowType(nsWindowType aWindowType) { switch(aWindowType) { case eWindowType_child: return(0); break; case eWindowType_dialog: return(WS_DLGFRAME | DS_3DLOOK); break; case eWindowType_popup: return(0); break; case eWindowType_toplevel: return(0); break; default: NS_ASSERTION(0, "unknown border style"); return(WS_OVERLAPPEDWINDOW); } } DWORD nsWindow::GetBorderStyle(nsBorderStyle aBorderStyle) { return 0; /* switch(aBorderStyle) { case eBorderStyle_none: return(0); break; case eBorderStyle_dialog: return(WS_DLGFRAME | DS_3DLOOK); break; case eBorderStyle_BorderlessTopLevel: return(0); break; case eBorderStyle_window: return(0); break; default: NS_ASSERTION(0, "unknown border style"); return(WS_OVERLAPPEDWINDOW); } */ } static char* GetACPString(const nsString& aStr) { int acplen = aStr.Length() * 2 + 1; char * acp = new char[acplen]; if(acp) { int outlen = ::WideCharToMultiByte( CP_ACP, 0, aStr.GetUnicode(), aStr.Length(), acp, acplen, NULL, NULL); if ( outlen > 0) acp[outlen] = '\0'; // null terminate } return acp; } NS_METHOD nsWindow::SetTitle(const nsString& aTitle) { char* title = GetACPString(aTitle); if (title) { ::SendMessage(mWnd, WM_SETTEXT, (WPARAM)0, (LPARAM)(LPCTSTR)title); delete [] title; } return NS_OK; } PRBool nsWindow::AutoErase() { return(PR_FALSE); } NS_METHOD nsWindow::GetPreferredSize(PRInt32& aWidth, PRInt32& aHeight) { aWidth = mPreferredWidth; aHeight = mPreferredHeight; return NS_ERROR_FAILURE; } NS_METHOD nsWindow::SetPreferredSize(PRInt32 aWidth, PRInt32 aHeight) { mPreferredWidth = aWidth; mPreferredHeight = aHeight; return NS_OK; } void nsWindow::HandleTextEvent(HIMC hIMEContext,PRBool aCheckAttr) { NS_ASSERTION( mIMECompString, "mIMECompString is null"); NS_ASSERTION( mIMECompUnicode, "mIMECompUnicode is null"); NS_ASSERTION( mIMEIsComposing, "conflict state"); if((nsnull == mIMECompString) || (nsnull == mIMECompUnicode)) return; nsTextEvent event; nsPoint point; size_t unicharSize; CANDIDATEFORM candForm; point.x = 0; point.y = 0; InitEvent(event, NS_TEXT_EVENT, &point); // // convert the composition string text into unicode before it is sent to xp-land // unicharSize = ::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED, mIMECompString->GetBuffer(), mIMECompString->Length(), NULL,0); mIMECompUnicode->SetCapacity(unicharSize+1); unicharSize = ::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED, mIMECompString->GetBuffer(), mIMECompString->Length(), (PRUnichar*)mIMECompUnicode->GetUnicode(), mIMECompUnicode->mCapacity); ((PRUnichar*)mIMECompUnicode->GetUnicode())[unicharSize] = (PRUnichar) 0; mIMECompUnicode->mLength = unicharSize; // // we need to convert the attribute array, which is alligned with the mutibyte text into an array of offsets // mapped to the unicode text // if(aCheckAttr) { MapDBCSAtrributeArrayToUnicodeOffsets(&(event.rangeCount),&(event.rangeArray)); } else { event.rangeCount = 0; event.rangeArray = nsnull; } event.theText = (PRUnichar*)mIMECompUnicode->GetUnicode(); event.isShift = mIsShiftDown; event.isControl = mIsControlDown; event.isMeta = PR_FALSE; event.isAlt = mIsAltDown; event.eventStructType = NS_TEXT_EVENT; (void)DispatchWindowEvent(&event); NS_RELEASE(event.widget); if(event.rangeArray) delete [] event.rangeArray; // // Post process event // candForm.dwIndex = 0; candForm.dwStyle = CFS_CANDIDATEPOS; candForm.ptCurrentPos.x = event.theReply.mCursorPosition.x + IME_X_OFFSET; candForm.ptCurrentPos.y = event.theReply.mCursorPosition.y + IME_Y_OFFSET + event.theReply.mCursorPosition.height ; printf("Candidate window position: x=%d, y=%d\n",candForm.ptCurrentPos.x,candForm.ptCurrentPos.y); NS_IMM_SETCANDIDATEWINDOW(hIMEContext,&candForm); } void nsWindow::HandleStartComposition(HIMC hIMEContext) { NS_ASSERTION( !mIMEIsComposing, "conflict state"); nsCompositionEvent event; nsPoint point; CANDIDATEFORM candForm; point.x = 0; point.y = 0; InitEvent(event,NS_COMPOSITION_START,&point); event.eventStructType = NS_COMPOSITION_START; event.compositionMessage = NS_COMPOSITION_START; (void)DispatchWindowEvent(&event); // // Post process event // candForm.dwIndex = 0; candForm.dwStyle = CFS_CANDIDATEPOS; candForm.ptCurrentPos.x = event.theReply.mCursorPosition.x + IME_X_OFFSET; candForm.ptCurrentPos.y = event.theReply.mCursorPosition.y + IME_Y_OFFSET + event.theReply.mCursorPosition.height; #ifdef DEBUG_IME2 printf("Candidate window position: x=%d, y=%d\n",candForm.ptCurrentPos.x,candForm.ptCurrentPos.y); #endif NS_IMM_SETCANDIDATEWINDOW(hIMEContext, &candForm); NS_RELEASE(event.widget); if(nsnull == mIMECompString) mIMECompString = new nsCAutoString(); if(nsnull == mIMECompUnicode) mIMECompUnicode = new nsAutoString(); mIMEIsComposing = PR_TRUE; } void nsWindow::HandleEndComposition(void) { NS_ASSERTION(mIMEIsComposing, "conflict state"); nsCompositionEvent event; nsPoint point; point.x = 0; point.y = 0; InitEvent(event,NS_COMPOSITION_END,&point); event.eventStructType = NS_COMPOSITION_END; event.compositionMessage = NS_COMPOSITION_END; (void)DispatchWindowEvent(&event); NS_RELEASE(event.widget); mIMEIsComposing = PR_FALSE; } static PRUint32 PlatformToNSAttr(PRUint8 aAttr) { switch(aAttr) { case ATTR_INPUT_ERROR: // case ATTR_FIXEDCONVERTED: case ATTR_INPUT: return NS_TEXTRANGE_RAWINPUT; case ATTR_CONVERTED: return NS_TEXTRANGE_CONVERTEDTEXT; case ATTR_TARGET_NOTCONVERTED: return NS_TEXTRANGE_SELECTEDRAWTEXT; case ATTR_TARGET_CONVERTED: return NS_TEXTRANGE_SELECTEDCONVERTEDTEXT; default: NS_ASSERTION(PR_FALSE, "unknown attribute"); return NS_TEXTRANGE_CARETPOSITION; } } // // This function converters the composition string (CGS_COMPSTR) into Unicode while mapping the // attribute (GCS_ATTR) string t void nsWindow::MapDBCSAtrributeArrayToUnicodeOffsets(PRUint32* textRangeListLengthResult,nsTextRangeArray* textRangeListResult) { NS_ASSERTION( mIMECompString, "mIMECompString is null"); NS_ASSERTION( mIMECompUnicode, "mIMECompUnicode is null"); if((nsnull == mIMECompString) || (nsnull == mIMECompUnicode)) return; PRInt32 rangePointer; size_t lastUnicodeOffset, substringLength, lastMBCSOffset; long maxlen = mIMECompString->Length(); long cursor = mIMECursorPosition; NS_ASSERTION(cursor <= maxlen, "wrong cursor positoin"); if(cursor > maxlen) cursor = maxlen; // // figure out the ranges from the compclause string // if (mIMECompClauseStringLength==0) { *textRangeListLengthResult = 2; *textRangeListResult = new nsTextRange[2]; (*textRangeListResult)[0].mStartOffset=0; substringLength = ::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED, mIMECompString->GetBuffer(), maxlen,NULL,0); (*textRangeListResult)[0].mEndOffset = substringLength; (*textRangeListResult)[0].mRangeType = NS_TEXTRANGE_RAWINPUT; substringLength = ::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED,mIMECompString->GetBuffer(), cursor,NULL,0); (*textRangeListResult)[1].mStartOffset=substringLength; (*textRangeListResult)[1].mEndOffset = substringLength; (*textRangeListResult)[1].mRangeType = NS_TEXTRANGE_CARETPOSITION; } else { *textRangeListLengthResult = mIMECompClauseStringLength; // // allocate the offset array // *textRangeListResult = new nsTextRange[*textRangeListLengthResult]; // // figure out the cursor position // substringLength = ::MultiByteToWideChar(gCurrentKeyboardCP, MB_PRECOMPOSED,mIMECompString->GetBuffer(),cursor,NULL,0); (*textRangeListResult)[0].mStartOffset=substringLength; (*textRangeListResult)[0].mEndOffset = substringLength; (*textRangeListResult)[0].mRangeType = NS_TEXTRANGE_CARETPOSITION; // // iterate over the attributes and convert them into unicode for(rangePointer=1, lastUnicodeOffset= lastMBCSOffset = 0; rangePointer maxlen) current = maxlen; (*textRangeListResult)[rangePointer].mRangeType = PlatformToNSAttr(mIMEAttributeString[lastMBCSOffset]); (*textRangeListResult)[rangePointer].mStartOffset = lastUnicodeOffset; lastUnicodeOffset += ::MultiByteToWideChar(gCurrentKeyboardCP, MB_PRECOMPOSED,mIMECompString->GetBuffer()+lastMBCSOffset, current-lastMBCSOffset,NULL,0); (*textRangeListResult)[rangePointer].mEndOffset = lastUnicodeOffset; lastMBCSOffset = current; } // for } // if else } //========================================================================== BOOL nsWindow::OnInputLangChange(HKL aHKL, LRESULT *oRetValue) { #ifdef KE_DEBUG printf("OnInputLanguageChange\n"); #endif if(gKeyboardLayout != aHKL) { gKeyboardLayout = aHKL; *oRetValue = LangIDToCP((WORD)((DWORD)gKeyboardLayout & 0x0FFFF), gCurrentKeyboardCP); } ResetInputState(); return PR_FALSE; // always pass to child window } //========================================================================== BOOL nsWindow::OnIMEChar(BYTE aByte1, BYTE aByte2, LPARAM aKeyState) { #ifdef DEBUG_IME printf("OnIMEChar\n"); #endif NS_ASSERTION(PR_TRUE, "should not got an WM_IME_CHAR"); // not implement yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMEComposition(LPARAM aGCS) { #ifdef DEBUG_IME printf("OnIMEComposition\n"); #endif NS_ASSERTION( mIMECompString, "mIMECompString is null"); NS_ASSERTION( mIMECompUnicode, "mIMECompUnicode is null"); if((nsnull == mIMECompString) || (nsnull == mIMECompUnicode)) return PR_TRUE; HIMC hIMEContext; BOOL result = PR_FALSE; // will change this if an IME message we handle NS_IMM_GETCONTEXT(mWnd, hIMEContext); if (hIMEContext==NULL) return PR_TRUE; // // This catches a fixed result // if (aGCS & GCS_RESULTSTR) { #ifdef DEBUG_IME fprintf(stderr,"Handling GCS_RESULTSTR\n"); #endif if(! mIMEIsComposing) HandleStartComposition(hIMEContext); long compStrLen; NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_RESULTSTR, NULL, 0, compStrLen); mIMECompString->SetCapacity(compStrLen+1); NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_RESULTSTR, (char*)mIMECompString->GetBuffer(), mIMECompString->mCapacity, compStrLen); ((char*)mIMECompString->GetBuffer())[compStrLen] = '\0'; mIMECompString->mLength = compStrLen; #ifdef DEBUG_IME fprintf(stderr,"GCS_RESULTSTR compStrLen = %d\n", compStrLen); #endif result = PR_TRUE; HandleTextEvent(hIMEContext, PR_FALSE); HandleEndComposition(); } // // This provides us with a composition string // if (aGCS & (GCS_COMPSTR | GCS_COMPATTR | GCS_COMPCLAUSE | GCS_CURSORPOS )) { #ifdef DEBUG_IME fprintf(stderr,"Handling GCS_COMPSTR\n"); #endif if(! mIMEIsComposing) HandleStartComposition(hIMEContext); //-------------------------------------------------------- // 1. Get GCS_COMPATTR //-------------------------------------------------------- // This provides us with the attribute string necessary // for doing hiliting long attrStrLen; NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_COMPATTR, NULL, 0, attrStrLen); if (attrStrLen>mIMEAttributeStringSize) { if (mIMEAttributeString!=NULL) delete [] mIMEAttributeString; mIMEAttributeString = new PRUint8[attrStrLen+32]; mIMEAttributeStringSize = attrStrLen+32; } NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_COMPATTR, mIMEAttributeString, mIMEAttributeStringSize, attrStrLen); mIMEAttributeStringLength = attrStrLen; //-------------------------------------------------------- // 2. Get GCS_COMPCLAUSE //-------------------------------------------------------- long compClauseLen; NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_COMPCLAUSE, NULL, 0, compClauseLen); compClauseLen = compClauseLen / sizeof(PRUint32); if (compClauseLen>mIMECompClauseStringSize) { if (mIMECompClauseString!=NULL) delete [] mIMECompClauseString; mIMECompClauseString = new PRUint32 [compClauseLen+32]; mIMECompClauseStringSize = compClauseLen+32; } long compClauseLen2; NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_COMPCLAUSE, mIMECompClauseString, mIMECompClauseStringSize * sizeof(PRUint32), compClauseLen2); compClauseLen2 = compClauseLen2 / sizeof(PRUint32); NS_ASSERTION(compClauseLen2 == compClauseLen, "strange result"); if(compClauseLen > compClauseLen2) compClauseLen = compClauseLen2; mIMECompClauseStringLength = compClauseLen; //-------------------------------------------------------- // 3. Get GCS_CURSOPOS //-------------------------------------------------------- NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_CURSORPOS, NULL, 0, mIMECursorPosition); //-------------------------------------------------------- // 4. Get GCS_COMPSTR //-------------------------------------------------------- long compStrLen; NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_COMPSTR, NULL, 0, compStrLen); mIMECompString->SetCapacity(compStrLen+1); NS_IMM_GETCOMPOSITIONSTRING(hIMEContext, GCS_COMPSTR, (char*)mIMECompString->GetBuffer(), mIMECompString->mCapacity, compStrLen); ((char*)mIMECompString->GetBuffer())[compStrLen] = '\0'; mIMECompString->mLength = compStrLen; #ifdef DEBUG_IME fprintf(stderr,"GCS_COMPSTR compStrLen = %d\n", compStrLen); #endif #ifdef DEBUG for(int kk=0;kkmLength, "illegal pos"); } #endif //-------------------------------------------------------- // 5. Sent the text event //-------------------------------------------------------- HandleTextEvent(hIMEContext); result = PR_TRUE; } if(! result) { #ifdef DEBUG_IME fprintf(stderr,"Haandle 0 length TextEvent. \n"); #endif if(! mIMEIsComposing) HandleStartComposition(hIMEContext); ((char*)mIMECompString->GetBuffer())[0] = '\0'; mIMECompString->mLength = 0; HandleTextEvent(hIMEContext,PR_FALSE); result = PR_TRUE; } NS_IMM_RELEASECONTEXT(mWnd, hIMEContext); return result; } //========================================================================== BOOL nsWindow::OnIMECompositionFull() { #ifdef DEBUG_IME2 printf("OnIMECompositionFull\n"); #endif // not implement yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMEEndComposition() { #ifdef DEBUG_IME printf("OnIMEEndComposition\n"); #endif if(mIMEIsComposing) { HIMC hIMEContext; if ((mIMEProperty & IME_PROP_SPECIAL_UI) || (mIMEProperty & IME_PROP_AT_CARET)) return PR_FALSE; NS_IMM_GETCONTEXT(mWnd, hIMEContext); if (hIMEContext==NULL) return PR_TRUE; // IME on Korean NT somehow send WM_IME_ENDCOMPOSITION // first when we hit space in composition mode // we need to clear out the current composition string // in that case. ((char*)mIMECompString->GetBuffer())[0] = '\0'; mIMECompString->mLength = 0; HandleTextEvent(hIMEContext, PR_FALSE); HandleEndComposition(); NS_IMM_RELEASECONTEXT(mWnd, hIMEContext); } return PR_TRUE; } //========================================================================== BOOL nsWindow::OnIMENotify(WPARAM aIMN, LPARAM aData, LRESULT *oResult) { #ifdef DEBUG_IME2 printf("OnIMENotify "); switch(aIMN) { case IMN_CHANGECANDIDATE: printf("IMN_CHANGECANDIDATE %x\n", aData); break; case IMN_CLOSECANDIDATE: printf("IMN_CLOSECANDIDATE %x\n", aData); break; case IMN_CLOSESTATUSWINDOW: printf("IMN_CLOSESTATUSWINDOW\n"); break; case IMN_GUIDELINE: printf("IMN_GUIDELINE\n"); break; case IMN_OPENCANDIDATE: printf("IMN_OPENCANDIDATE %x\n", aData); break; case IMN_OPENSTATUSWINDOW: printf("IMN_OPENSTATUSWINDOW\n"); break; case IMN_SETCANDIDATEPOS: printf("IMN_SETCANDIDATEPOS %x\n", aData); break; case IMN_SETCOMPOSITIONFONT: printf("IMN_SETCOMPOSITIONFONT\n"); break; case IMN_SETCOMPOSITIONWINDOW: printf("IMN_SETCOMPOSITIONWINDOW\n"); break; case IMN_SETCONVERSIONMODE: printf("IMN_SETCONVERSIONMODE\n"); break; case IMN_SETOPENSTATUS: printf("IMN_SETOPENSTATUS\n"); break; case IMN_SETSENTENCEMODE: printf("IMN_SETSENTENCEMODE\n"); break; case IMN_SETSTATUSWINDOWPOS: printf("IMN_SETSTATUSWINDOWPOS\n"); break; case IMN_PRIVATE: printf("IMN_PRIVATE\n"); break; }; #endif // not implement yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMERequest(WPARAM aIMR, LPARAM aData, LRESULT *oResult) { #ifdef DEBUG_IME2 printf("OnIMERequest\n"); #endif // not implement yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMESelect(BOOL aSelected, WORD aLangID) { #ifdef DEBUG_IME2 printf("OnIMESelect\n"); #endif // not implement yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMESetContext(BOOL aActive, LPARAM& aISC) { #ifdef DEBUG_IME2 printf("OnIMESetContext %x %s %s %s Candidate[%s%s%s%s]\n", this, (aActive ? "Active" : "Deactiv"), ((aISC & ISC_SHOWUICOMPOSITIONWINDOW) ? "[Comp]" : ""), ((aISC & ISC_SHOWUIGUIDELINE) ? "[GUID]" : ""), ((aISC & ISC_SHOWUICANDIDATEWINDOW) ? "0" : ""), ((aISC & (ISC_SHOWUICANDIDATEWINDOW<<1)) ? "1" : ""), ((aISC & (ISC_SHOWUICANDIDATEWINDOW<<2)) ? "2" : ""), ((aISC & (ISC_SHOWUICANDIDATEWINDOW<<3)) ? "3" : "") ); #endif if(! aActive) ResetInputState(); aISC &= ~ ISC_SHOWUICOMPOSITIONWINDOW; // We still return false here because we need to pass the // aISC w/ ISC_SHOWUICOMPOSITIONWINDOW clear to the default // window proc so it will draw the candidcate window for us... return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMEStartComposition() { #ifdef DEBUG_IME printf("OnIMEStartComposition\n"); #endif HIMC hIMEContext; if ((mIMEProperty & IME_PROP_SPECIAL_UI) || (mIMEProperty & IME_PROP_AT_CARET)) return PR_FALSE; NS_IMM_GETCONTEXT(mWnd, hIMEContext); if (hIMEContext==NULL) return PR_TRUE; HandleStartComposition(hIMEContext); NS_IMM_RELEASECONTEXT(mWnd, hIMEContext); return PR_TRUE; } //========================================================================== NS_IMETHODIMP nsWindow::ResetInputState() { #ifdef DEBUG_KBSTATE printf("ResetInputState\n"); #endif //if(mIMEIsComposing) { HIMC hIMC; NS_IMM_GETCONTEXT(mWnd, hIMC); if(hIMC) { BOOL ret = NS_IMM_NOTIFYIME(hIMC, NI_COMPOSITIONSTR, CPS_COMPLETE, NULL); //NS_ASSERTION(ret, "ImmNotify failed"); NS_IMM_RELEASECONTEXT(mWnd, hIMC); } //} return NS_OK; } NS_IMETHODIMP nsWindow::PasswordFieldInit() { #ifdef DEBUG_KBSTATE printf("PasswordFieldInit\n"); #endif return NS_OK; } NS_IMETHODIMP nsWindow::PasswordFieldEnter(PRUint32& oState) { #ifdef DEBUG_KBSTATE printf("PasswordFieldEnter\n"); #endif if(IS_IME_CODEPAGE(gCurrentKeyboardCP)) { HIMC hIMC; NS_IMM_GETCONTEXT(mWnd, hIMC); if(hIMC) { DWORD st1,st2; BOOL ret = NS_IMM_GETCONVERSIONSTATUS(hIMC, &st1, &st2); NS_ASSERTION(ret, "ImmGetConversionStatus failed"); if(ret) { oState = st1; ret = NS_IMM_SETCONVERSIONSTATUS(hIMC, IME_CMODE_NOCONVERSION, st2); NS_ASSERTION(ret, "ImmSetConversionStatus failed"); } NS_IMM_RELEASECONTEXT(mWnd, hIMC); } } return NS_OK; } NS_IMETHODIMP nsWindow::PasswordFieldExit(PRUint32 aState) { #ifdef DEBUG_KBSTATE printf("PasswordFieldExit\n"); #endif if(IS_IME_CODEPAGE(gCurrentKeyboardCP)) { HIMC hIMC; NS_IMM_GETCONTEXT(mWnd, hIMC); if(hIMC) { DWORD st1,st2; BOOL ret = NS_IMM_GETCONVERSIONSTATUS(hIMC, &st1, &st2); NS_ASSERTION(ret, "ImmGetConversionStatus failed"); if(ret) { ret = NS_IMM_SETCONVERSIONSTATUS(hIMC, (DWORD)aState, st2); NS_ASSERTION(ret, "ImmSetConversionStatus failed"); } NS_IMM_RELEASECONTEXT(mWnd, hIMC); } } return NS_OK; } // Pick some random timer ID. Is there a better way? #define NS_FLASH_TIMER_ID 0x011231984 // This function is called on a timer to do the flashing. It simply toggles the flash // status until the window comes to the foreground. static VOID CALLBACK nsGetAttentionTimerFunc( HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime ) { // Flash the window until we're in the foreground. if ( GetForegroundWindow() != hwnd ) { // We're not in the foreground yet. FlashWindow( hwnd, TRUE ); } else { KillTimer( hwnd, idEvent ); } } // Draw user's attention to this window until it comes to foreground. NS_IMETHODIMP nsWindow::GetAttention() { // Got window? if ( !mWnd ) { return NS_ERROR_NOT_INITIALIZED; } // If window is in foreground, no notification is necessary. if ( GetForegroundWindow() != mWnd ) { // Kick off timer that does single flash till window comes to foreground. SetTimer( mWnd, NS_FLASH_TIMER_ID, GetCaretBlinkTime(), (TIMERPROC)nsGetAttentionTimerFunc ); } return NS_OK; }