/* -*- 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 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #include "nsWindow.h" #include "nsIFontMetrics.h" #include "nsIFontCache.h" #include "nsGUIEvent.h" #include "nsIRenderingContext.h" #include "nsIDeviceContext.h" #include "nsRect.h" #include "nsTransform2D.h" #include "nsStringUtil.h" #include #include "nsGfxCIID.h" #include "resource.h" #include #include "prtime.h" BOOL nsWindow::sIsRegistered = FALSE; nsWindow * mCurrentWindow = NULL; // Global variable // g_hinst - handle of the application instance extern HINSTANCE g_hinst; static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID); // DoCreateTooltip - creates a tooltip control and adds some tools // to it. // Returns the handle of the tooltip control if successful or NULL // otherwise. // hwndOwner - handle of the owner window // void nsWindow::AddTooltip(HWND hwndOwner,nsRect& aRect) { // HWND hwndTT; // handle of tooltip TOOLINFO ti; // tool information // Make sure the common control DLL is loaded InitCommonControls(); // Create a tooltip control for the window if needed if (mTooltip == (HWND) NULL) { mTooltip = CreateWindow(TOOLTIPS_CLASS, (LPSTR) NULL, TTS_ALWAYSTIP, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, (HMENU) NULL, nsToolkit::mDllInstance, NULL); } if (mTooltip == (HWND) NULL) return; ti.cbSize = sizeof(TOOLINFO); ti.uFlags = TTF_SUBCLASS; ti.hwnd = hwndOwner; ti.hinst = nsToolkit::mDllInstance; ti.uId = 0; ti.lpszText = (LPSTR)" "; // must set text to // something for tooltip to give events; ti.rect.left = aRect.x; ti.rect.top = aRect.y; ti.rect.right = aRect.x + aRect.width; ti.rect.bottom = aRect.y + aRect.height; if (!SendMessage(mTooltip, TTM_ADDTOOL, 0, (LPARAM) (LPTOOLINFO) &ti)) return; } void 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; } void 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; } //------------------------------------------------------------------------- // // Setup initial tooltip rectangles // //------------------------------------------------------------------------- void nsWindow::SetTooltips(PRUint32 aNumberOfTips,const nsRect* aTooltipAreas) { RemoveTooltips(); for (int i = 0; i < (int)aNumberOfTips; i++) { AddTooltip(mWnd, (nsRect)(aTooltipAreas[i])); } } //------------------------------------------------------------------------- // // Update all tooltip rectangles // //------------------------------------------------------------------------- void nsWindow::UpdateTooltips(const nsRect* aNewTips) { TOOLINFO ti; // Get the number of tooltips UINT count = ::SendMessage(mTooltip, TTM_GETTOOLCOUNT, 0, 0); NS_ASSERTION(count > 0, "Called UpdateTooltips before calling SetTooltips"); for (UINT i = 0; i < count; i++) { ::SendMessage(mTooltip, TTM_ENUMTOOLS, i, (LPARAM) (LPTOOLINFO)&ti); ti.rect.left = aNewTips[i].x; ti.rect.top = aNewTips[i].y; ti.rect.right = aNewTips[i].x + aNewTips[i].width; ti.rect.bottom = aNewTips[i].y + aNewTips[i].height; ::SendMessage(mTooltip, TTM_NEWTOOLRECT, 0, (LPARAM) (LPTOOLINFO)&ti); } } //------------------------------------------------------------------------- // // Remove all tooltip rectangles // //------------------------------------------------------------------------- void nsWindow::RemoveTooltips() { TOOLINFO ti; long val; // Get the number of tooltips UINT count = ::SendMessage(mTooltip, TTM_GETTOOLCOUNT, 0, (LPARAM)&val); for (UINT i = 0; i < count; i++) { ::SendMessage(mTooltip, TTM_ENUMTOOLS, i,(LPARAM) (LPTOOLINFO)&ti); ::SendMessage(mTooltip, TTM_DELTOOL, 0, (LPARAM) (LPTOOLINFO)&ti); } } //------------------------------------------------------------------------- // // Convert nsEventStatus value to a windows boolean // //------------------------------------------------------------------------- PRBool nsWindow::ConvertStatus(nsEventStatus aStatus) { switch(aStatus) { case nsEventStatus_eIgnore: return(PR_FALSE); break; case nsEventStatus_eConsumeNoDefault: return(PR_TRUE); break; case nsEventStatus_eConsumeDoDefault: return(PR_FALSE); break; default: NS_ASSERTION(0, "Illegal nsEventStatus enumeration value"); return(PR_FALSE); break; } } //------------------------------------------------------------------------- // // Initialize an event to dispatch // //------------------------------------------------------------------------- void nsWindow::InitEvent(nsGUIEvent& event, PRUint32 aEventType) { event.widget = this; // get the message position in client coordinates and in twips DWORD pos = ::GetMessagePos(); POINT cpos; cpos.x = LOWORD(pos); cpos.y = HIWORD(pos); ::ScreenToClient(mWnd, &cpos); event.point.x = cpos.x; event.point.y = cpos.y; event.time = ::GetMessageTime(); event.message = aEventType; } //------------------------------------------------------------------------- // // Invokes callback and ProcessEvent method on Event Listener object // //------------------------------------------------------------------------- PRBool nsWindow::DispatchEvent(nsGUIEvent* event) { PRBool result = PR_FALSE; if (nsnull != mEventCallback) { result = ConvertStatus((*mEventCallback)(event)); } // Dispatch to event listener if event was not consumed if ((result != PR_TRUE) && (nsnull != mEventListener)) { return ConvertStatus(mEventListener->ProcessEvent(*event)); } else { return(result); } } //------------------------------------------------------------------------- // // Dispatch standard event // //------------------------------------------------------------------------- PRBool nsWindow::DispatchStandardEvent(PRUint32 aMsg) { nsGUIEvent event; InitEvent(event, aMsg); return(DispatchEvent(&event)); } //------------------------------------------------------------------------- // // the nsWindow procedure for all nsWindows in this toolkit // //------------------------------------------------------------------------- LRESULT CALLBACK nsWindow::WindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { // Get the window which caused the event and ask it to process the message nsWindow *someWindow = (nsWindow*)::GetWindowLong(hWnd, GWL_USERDATA); // Re-direct a tab change message destined for it's 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; } } return ::CallWindowProc((FARPROC)someWindow->GetPrevWindowProc(), hWnd, msg, wParam, lParam); } //------------------------------------------------------------------------- // // nsWindow constructor // //------------------------------------------------------------------------- nsWindow::nsWindow(nsISupports *aOuter) : nsObject(aOuter) { mWnd = 0; mPrevWndProc = NULL; mChildren = NULL; mEventCallback = NULL; mToolkit = NULL; mMouseListener = NULL; mEventListener = NULL; mBackground = ::GetSysColor(COLOR_WINDOW); mBrush = ::CreateSolidBrush(NSRGB_2_COLOREF(mBackground)); mForeground = ::GetSysColor(COLOR_WINDOWTEXT); mPalette = NULL; mCursor = eCursor_standard; mBorderStyle = eBorderStyle_none; mIsShiftDown = PR_FALSE; mIsControlDown = PR_FALSE; mIsAltDown = PR_FALSE; mIsDestroying = PR_FALSE; mTooltip = NULL; } //------------------------------------------------------------------------- // // nsWindow destructor // //------------------------------------------------------------------------- nsWindow::~nsWindow() { mIsDestroying = PR_TRUE; Destroy(); } //------------------------------------------------------------------------- // // Query interface implementation // //------------------------------------------------------------------------- nsresult nsWindow::QueryObject(const nsIID& aIID, void** aInstancePtr) { nsresult result = nsObject::QueryObject(aIID, aInstancePtr); static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID); if (result == NS_NOINTERFACE && aIID.Equals(kIWidgetIID)) { *aInstancePtr = (void*) ((nsIWidget*)this); AddRef(); result = NS_OK; } return result; } //------------------------------------------------------------------------- // // Create the proper widget // //------------------------------------------------------------------------- void nsWindow::Create(nsIWidget *aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIToolkit *aToolkit, void *aInitData) { if (NULL == mToolkit) { if (NULL != aToolkit) { mToolkit = (nsToolkit*)aToolkit; mToolkit->AddRef(); } else { if (NULL != aParent) { mToolkit = (nsToolkit*)(aParent->GetToolkit()); // the call AddRef's, we don't have to } // it's some top level window with no toolkit passed in. // Create a default toolkit with the current thread else { mToolkit = new nsToolkit(); mToolkit->AddRef(); mToolkit->Init(PR_GetCurrentThread()); } } } // // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... // if (!mToolkit->IsGuiThread()) { DWORD args[5]; args[0] = (DWORD)aParent; args[1] = (DWORD)&aRect; args[2] = (DWORD)aHandleEventFunction; args[3] = (DWORD)aContext; args[4] = (DWORD)aToolkit; args[5] = (DWORD)aInitData; MethodInfo info(this, nsWindow::CREATE, 6, args); mToolkit->CallMethod(&info); return; } // save the event callback function mEventCallback = aHandleEventFunction; // keep a reference to the toolkit object if (aContext) { mContext = aContext; mContext->AddRef(); } else { nsresult res; static NS_DEFINE_IID(kDeviceContextCID, NS_DEVICE_CONTEXT_CID); static NS_DEFINE_IID(kDeviceContextIID, NS_IDEVICE_CONTEXT_IID); res = NSRepository::CreateInstance(kDeviceContextCID, nsnull, kDeviceContextIID, (void **)&mContext); if (NS_OK == res) mContext->Init(); } if (nsnull != aInitData) { PreCreateWidget(aInitData); } mWnd = ::CreateWindowEx(WindowExStyle(), WindowClass(), "", WindowStyle(), aRect.x, aRect.y, aRect.width, aRect.height, (aParent) ? (HWND)aParent->GetNativeData(NS_NATIVE_WINDOW): (HWND)NULL, NULL, nsToolkit::mDllInstance, NULL); VERIFY(mWnd); if (aParent) { aParent->AddChild(this); } // Force cursor to default setting mCursor = eCursor_select; SetCursor(eCursor_standard); // call the event callback to notify about creation DispatchStandardEvent(NS_CREATE); SubclassWindow(TRUE); } //------------------------------------------------------------------------- // // create with a native parent // //------------------------------------------------------------------------- void nsWindow::Create(nsNativeWindow aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIToolkit *aToolkit, void *aInitData) { if (NULL == mToolkit) { if (NULL != aToolkit) { mToolkit = (nsToolkit*)aToolkit; mToolkit->AddRef(); } else { mToolkit = new nsToolkit(); mToolkit->AddRef(); mToolkit->Init(PR_GetCurrentThread()); } } // // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... // if (!mToolkit->IsGuiThread()) { DWORD args[5]; args[0] = (DWORD)aParent; args[1] = (DWORD)&aRect; args[2] = (DWORD)aHandleEventFunction; args[3] = (DWORD)aContext; args[4] = (DWORD)aToolkit; args[5] = (DWORD)aInitData; MethodInfo info(this, nsWindow::CREATE_NATIVE, 5, args); mToolkit->CallMethod(&info); return; } // save the event callback function mEventCallback = aHandleEventFunction; // keep a reference to the toolkit object if (aContext) { mContext = aContext; mContext->AddRef(); } else { nsresult res; static NS_DEFINE_IID(kDeviceContextCID, NS_DEVICE_CONTEXT_CID); static NS_DEFINE_IID(kDeviceContextIID, NS_IDEVICE_CONTEXT_IID); res = NSRepository::CreateInstance(kDeviceContextCID, nsnull, kDeviceContextIID, (void **)&mContext); if (NS_OK == res) mContext->Init(); } if (nsnull != aInitData) { PreCreateWidget(aInitData); } mWnd = ::CreateWindowEx(WindowExStyle(), WindowClass(), "", WindowStyle(), aRect.x, aRect.y, aRect.width, aRect.height, aParent, NULL, nsToolkit::mDllInstance, NULL); VERIFY(mWnd); // call the event callback to notify about creation DispatchStandardEvent(NS_CREATE); SubclassWindow(TRUE); } //------------------------------------------------------------------------- // // Close this nsWindow // //------------------------------------------------------------------------- void nsWindow::Destroy() { // // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... // if (mToolkit != nsnull && !mToolkit->IsGuiThread()) { MethodInfo info(this, nsWindow::DESTROY); mToolkit->CallMethod(&info); return; } // destroy the nsWindow if (mWnd) { // destroy the nsWindow mEventCallback = nsnull; // prevent the widget from causing additional events VERIFY(::DestroyWindow(mWnd)); } if (mPalette) { VERIFY(::DeleteObject(mPalette)); } // Destroy the tooltip control if (mTooltip) { VERIFY(::DestroyWindow(mTooltip)); } } //------------------------------------------------------------------------- // // Get this nsWindow parent // //------------------------------------------------------------------------- nsIWidget* nsWindow::GetParent(void) { nsIWidget* widget = NULL; if (mWnd) { HWND parent = ::GetParent(mWnd); if (parent) { nsIWidget* widget = (nsIWidget*)::GetWindowLong(mWnd, GWL_USERDATA); widget->AddRef(); } } return widget; } //------------------------------------------------------------------------- // // Get this nsWindow's list of children // //------------------------------------------------------------------------- nsIEnumerator* nsWindow::GetChildren() { if (mChildren) { mChildren->Reset(); //mChildren->AddRef(); Enumerator * children = new Enumerator(); nsISupports * next = mChildren->Next(); if (next) { nsIWidget *widget; if (NS_OK == next->QueryInterface(kIWidgetIID, (void**)&widget)) { children->Append(widget); //NS_RELEASE(widget); } } return (nsIEnumerator*)children; } return NULL; } //------------------------------------------------------------------------- // // Add a child to the list of children // //------------------------------------------------------------------------- void nsWindow::AddChild(nsIWidget* aChild) { if (!mChildren) { mChildren = new Enumerator(); } mChildren->Append(aChild); } //------------------------------------------------------------------------- // // Remove a child from the list of children // //------------------------------------------------------------------------- void nsWindow::RemoveChild(nsIWidget* aChild) { if (mChildren) { mChildren->Remove(aChild); } } //------------------------------------------------------------------------- // // Hide or show this component // //------------------------------------------------------------------------- void nsWindow::Show(PRBool bState) { if (mWnd) { if (bState) { ::SetWindowPos(mWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_SHOWWINDOW); } else ::ShowWindow(mWnd, SW_HIDE); } } //------------------------------------------------------------------------- // // Move this component // //------------------------------------------------------------------------- void nsWindow::Move(PRUint32 aX, PRUint32 aY) { if (mWnd) { VERIFY(::SetWindowPos(mWnd, NULL, aX, aY, 0, 0, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE)); } } //------------------------------------------------------------------------- // // Resize this component // //------------------------------------------------------------------------- void nsWindow::Resize(PRUint32 aWidth, PRUint32 aHeight) { if (mWnd) { VERIFY(::SetWindowPos(mWnd, NULL, 0, 0, aWidth, aHeight, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE)); } } //------------------------------------------------------------------------- // // Resize this component // //------------------------------------------------------------------------- void nsWindow::Resize(PRUint32 aX, PRUint32 aY, PRUint32 aWidth, PRUint32 aHeight) { if (mWnd) { VERIFY(::SetWindowPos(mWnd, NULL, aX, aY, aWidth, aHeight, SWP_NOZORDER | SWP_NOACTIVATE)); } } //------------------------------------------------------------------------- // // Enable/disable this component // //------------------------------------------------------------------------- void nsWindow::Enable(PRBool bState) { if (mWnd) { ::EnableWindow(mWnd, bState); } } //------------------------------------------------------------------------- // // Give the focus to this component // //------------------------------------------------------------------------- void nsWindow::SetFocus(void) { // // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... // if (!mToolkit->IsGuiThread()) { MethodInfo info(this, nsWindow::SET_FOCUS); mToolkit->CallMethod(&info); return; } if (mWnd) { ::SetFocus(mWnd); } } //------------------------------------------------------------------------- // // Get this component dimension // //------------------------------------------------------------------------- void 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) { ::ScreenToClient(parent, (LPPOINT)&r); } aRect.x = r.left; aRect.y = r.top; } } //------------------------------------------------------------------------- // // Get the foreground color // //------------------------------------------------------------------------- nscolor nsWindow::GetForegroundColor(void) { return mForeground; } //------------------------------------------------------------------------- // // Set the foreground color // //------------------------------------------------------------------------- void nsWindow::SetForegroundColor(const nscolor &aColor) { mForeground = aColor; } //------------------------------------------------------------------------- // // Get the background color // //------------------------------------------------------------------------- nscolor nsWindow::GetBackgroundColor(void) { return mBackground; } //------------------------------------------------------------------------- // // Set the background color // //------------------------------------------------------------------------- void nsWindow::SetBackgroundColor(const nscolor &aColor) { mBackground = aColor; ::DeleteObject(mBrush); mBrush = ::CreateSolidBrush(NSRGB_2_COLOREF(mBackground)); SetClassLong(mWnd, GCL_HBRBACKGROUND, (LONG)mBrush); } //------------------------------------------------------------------------- // // Get this component font // //------------------------------------------------------------------------- nsIFontMetrics* nsWindow::GetFont(void) { NS_NOTYETIMPLEMENTED("GetFont not yet implemented"); // to be implemented return NULL; } //------------------------------------------------------------------------- // // Set this component font // //------------------------------------------------------------------------- void nsWindow::SetFont(const nsFont &aFont) { nsIFontCache* fontCache = mContext->GetFontCache(); nsIFontMetrics* metrics = fontCache->GetMetricsFor(aFont); HFONT hfont = metrics->GetFontHandle(); // Draw in the new font ::SendMessage(mWnd, WM_SETFONT, (WPARAM)hfont, (LPARAM)0); NS_RELEASE(metrics); NS_RELEASE(fontCache); } //------------------------------------------------------------------------- // // Get this component cursor // //------------------------------------------------------------------------- nsCursor nsWindow::GetCursor() { return mCursor; } //------------------------------------------------------------------------- // // Set this component cursor // //------------------------------------------------------------------------- #define DLLQUOTE(x) #x #define DLLNAME(x) DLLQUOTE(x) void nsWindow::SetCursor(nsCursor aCursor) { // Only change cursor if it's changing 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: { HMODULE hm = ::GetModuleHandle(DLLNAME(NS_DLLNAME)); newCursor = ::LoadCursor(hm, MAKEINTRESOURCE(IDC_SELECTANCHOR)); break; } case eCursor_standard: newCursor = ::LoadCursor(NULL, IDC_ARROW); break; default: NS_ASSERTION(0, "Invalid cursor type"); break; } if (NULL != newCursor) { mCursor = aCursor; HCURSOR oldCursor = ::SetCursor(newCursor); } } } //------------------------------------------------------------------------- // // Invalidate this component visible area // //------------------------------------------------------------------------- void nsWindow::Invalidate(PRBool aIsSynchronous) { if (mWnd) { VERIFY(::InvalidateRect(mWnd, NULL, TRUE)); if (aIsSynchronous) { VERIFY(::UpdateWindow(mWnd)); } } } //------------------------------------------------------------------------- // // Return some native data according to aDataType // //------------------------------------------------------------------------- void* nsWindow::GetNativeData(PRUint32 aDataType) { switch(aDataType) { case NS_NATIVE_WINDOW: return (void*)mWnd; case NS_NATIVE_GRAPHIC: return (void*)::GetDC(mWnd); case NS_NATIVE_COLORMAP: default: break; } return NULL; } //------------------------------------------------------------------------- // // Create a rendering context from this nsWindow // //------------------------------------------------------------------------- nsIRenderingContext* nsWindow::GetRenderingContext() { nsRect bounds; nsIRenderingContext *renderingCtx = NULL; if (mWnd) { HDC aDC = ::GetDC(mWnd); nsresult res; static NS_DEFINE_IID(kRenderingContextCID, NS_RENDERING_CONTEXT_CID); static NS_DEFINE_IID(kRenderingContextIID, NS_IRENDERING_CONTEXT_IID); res = NSRepository::CreateInstance(kRenderingContextCID, nsnull, kRenderingContextIID, (void **)&renderingCtx); if (NS_OK == res) renderingCtx->Init(mContext, (nsDrawingSurface)aDC); NS_ASSERTION(NULL != renderingCtx, "Null rendering context"); } return renderingCtx; } //------------------------------------------------------------------------- // // Return the toolkit this widget was created on // //------------------------------------------------------------------------- nsIToolkit* nsWindow::GetToolkit() { if (NULL != mToolkit) { mToolkit->AddRef(); } return mToolkit; } //------------------------------------------------------------------------- // // Set the colormap of the window // //------------------------------------------------------------------------- void 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 the used device context // //------------------------------------------------------------------------- nsIDeviceContext* nsWindow::GetDeviceContext() { if (mContext) { mContext->AddRef(); } return mContext; } //------------------------------------------------------------------------- // // Scroll the bits of a window // //------------------------------------------------------------------------- void 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); ::UpdateWindow(mWnd); } //------------------------------------------------------------------------- // // Relay mouse events to the tooltip control // //------------------------------------------------------------------------- void nsWindow::RelayMouseEvent(UINT aMsg, WPARAM wParam, LPARAM lParam) { printf("relaying event\n"); #if 0 MSG msg; msg.hwnd = mWnd; msg.message = aMsg; msg.wParam = wParam; msg.lParam = lParam; msg.time = ::GetMessageTime(); DWORD pos = ::GetMessagePos(); POINT pt; msg.pt.x = LOWORD(pos); msg.pt.y = HIWORD(pos); ::SendMessage(mTooltip, TTM_RELAYEVENT, 0, (LPARAM)(LPMSG) &msg); #endif } //------------------------------------------------------------------------- // // 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 == 6, "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]), (nsIToolkit*)(info->args[4]), (void*)(info->args[5])); break; case nsWindow::CREATE_NATIVE: NS_ASSERTION(info->nArgs == 6, "Wrong number of arguments to CallMethod"); Create((nsNativeWindow)(info->args[0]), (nsRect&)*(nsRect*)(info->args[1]), (EVENT_CALLBACK)(info->args[2]), (nsIDeviceContext*)(info->args[3]), (nsIToolkit*)(info->args[4]), (void*)(info->args[5])); 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; } //------------------------------------------------------------------------- // // OnKey // //------------------------------------------------------------------------- PRBool nsWindow::OnKey(PRUint32 aEventType, PRUint32 aKeyCode) { nsKeyEvent event; InitEvent(event, aEventType); event.keyCode = aKeyCode; event.isShift = mIsShiftDown; event.isControl = mIsControlDown; event.isAlt = mIsAltDown; return(DispatchEvent(&event)); } //------------------------------------------------------------------------- // // Process all nsWindows messages // //------------------------------------------------------------------------- PRBool nsWindow::ProcessMessage(UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *aRetValue) { PRBool result = PR_FALSE; // call the default nsWindow proc *aRetValue = 0; switch (msg) { case WM_NOTIFY: // TAB change { LPNMHDR pnmh = (LPNMHDR) lParam; switch (pnmh->code) { case TCN_SELCHANGE: { DispatchStandardEvent(NS_TABCHANGE); result = PR_TRUE; } break; case TTN_SHOW: result = DispatchStandardEvent(NS_SHOW_TOOLTIP); break; case TTN_POP: result = DispatchStandardEvent(NS_HIDE_TOOLTIP); break; } } break; case WM_MOVE: // Window moved { nsGUIEvent event; InitEvent(event, NS_MOVE); event.point.x = (int)LOWORD(lParam); // horizontal position in screen coordinates event.point.y = (int)HIWORD(lParam); // vertical position in screen coordinates result = DispatchEvent(&event); } break; case WM_DESTROY: // clean up. OnDestroy(); result = PR_TRUE; break; case WM_PAINT: result = OnPaint(); break; case WM_KEYUP: if (wParam == NS_VK_SHIFT) { mIsShiftDown = PR_FALSE; } if (wParam == NS_VK_CONTROL) { mIsControlDown = PR_FALSE; } if (wParam == NS_VK_ALT) { mIsAltDown = PR_FALSE; } result = OnKey(NS_KEY_UP, wParam); break; case WM_KEYDOWN: if (wParam == NS_VK_SHIFT) { mIsShiftDown = PR_TRUE; } if (wParam == NS_VK_CONTROL) { mIsControlDown = PR_TRUE; } if (wParam == NS_VK_ALT) { mIsAltDown = PR_TRUE; } result = OnKey(NS_KEY_DOWN, wParam); 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: //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_BUTTON_DOWN); if (result == PR_FALSE) result = DispatchMouseEvent(NS_MOUSE_LEFT_DOUBLECLICK); break; case WM_MBUTTONDOWN: //RelayMouseEvent(msg,wParam, lParam); result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_DOWN); break; case WM_MBUTTONUP: //RelayMouseEvent(msg,wParam, lParam); result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_UP); break; case WM_MBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_DOWN); break; case WM_RBUTTONDOWN: //RelayMouseEvent(msg,wParam, lParam); result = DispatchMouseEvent(NS_MOUSE_RIGHT_BUTTON_DOWN); break; case WM_RBUTTONUP: //RelayMouseEvent(msg,wParam, lParam); result = DispatchMouseEvent(NS_MOUSE_RIGHT_BUTTON_UP); break; case WM_RBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_RIGHT_BUTTON_DOWN); if (result == PR_FALSE) 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_CTLCOLORBTN: case WM_CTLCOLOREDIT: case WM_CTLCOLORLISTBOX: case WM_CTLCOLORSCROLLBAR: case WM_CTLCOLORSTATIC: if (lParam) { nsWindow* control = (nsWindow*)::GetWindowLong((HWND)lParam, GWL_USERDATA); if (control) { HDC hDC = (HDC)wParam; ::SetBkColor (hDC, mBackground); ::SetTextColor(hDC, mForeground); *aRetValue = (LPARAM)control->OnControlColor(); } } result = PR_TRUE; break; case WM_SETFOCUS: result = DispatchFocus(NS_GOTFOCUS); break; case WM_KILLFOCUS: result = DispatchFocus(NS_LOSTFOCUS); break; case WM_WINDOWPOSCHANGED: { WINDOWPOS *wp = (LPWINDOWPOS)lParam; nsRect rect(wp->x, wp->y, wp->cx, wp->cy); result = OnResize(rect); break; } case WM_QUERYNEWPALETTE: if (mPalette) { HDC hDC = ::GetDC(mWnd); HPALETTE hOldPal = ::SelectPalette(hDC, mPalette, 0); int i = ::RealizePalette(hDC); ::SelectPalette(hDC, hOldPal, 0); ::ReleaseDC(mWnd, hDC); if (i) { ::InvalidateRect(mWnd, (LPRECT)(NULL), 1); result = PR_TRUE; } else { result = PR_FALSE; } } else { result = PR_FALSE; } break; case WM_PALETTECHANGED: if (mPalette && (HWND)wParam != mWnd) { HDC hDC = ::GetDC(mWnd); HPALETTE hOldPal = ::SelectPalette(hDC, mPalette, 0); int i = ::RealizePalette(hDC); if (i) { ::InvalidateRect(mWnd, (LPRECT)(NULL), 1); } ::SelectPalette(hDC, hOldPal, 0); ::ReleaseDC(mWnd, hDC); } result = PR_TRUE; break; } return result; } //------------------------------------------------------------------------- // // 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.lpfnWndProc = ::DefWindowProc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = nsToolkit::mDllInstance; wc.hIcon = ::LoadIcon(NULL, IDI_APPLICATION); wc.hCursor = NULL; wc.hbrBackground = NULL; wc.lpszMenuName = NULL; wc.lpszClassName = className; nsWindow::sIsRegistered = ::RegisterClass(&wc); } return className; } //------------------------------------------------------------------------- // // return nsWindow styles // //------------------------------------------------------------------------- DWORD nsWindow::WindowStyle() { return WS_OVERLAPPEDWINDOW; } //------------------------------------------------------------------------- // // return nsWindow extended styles // //------------------------------------------------------------------------- DWORD nsWindow::WindowExStyle() { return WS_EX_CLIENTEDGE; } // ----------------------------------------------------------------------- // // Subclass (or remove the subclass from) this component's nsWindow // // ----------------------------------------------------------------------- void nsWindow::SubclassWindow(BOOL bState) { 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 { (void) ::SetWindowLong(mWnd, GWL_WNDPROC, (LONG)mPrevWndProc); mPrevWndProc = NULL; } } //------------------------------------------------------------------------- // // WM_DESTROY has been called // //------------------------------------------------------------------------- void nsWindow::OnDestroy() { SubclassWindow(FALSE); if (mBrush) ::DeleteObject(mBrush); // disconnect from the parent /* nsIWidget *parent = GetParent(); if (parent) { parent->RemoveChild(this); }*/ mWnd = 0; // release children (I don't think we need this but...) if (mChildren) { NS_RELEASE(mChildren); mChildren = NULL; } // get the pixels to twips info before the device context is released if (mContext) { NS_RELEASE(mContext); mContext = 0; } if (NULL != mToolkit) { NS_RELEASE(mToolkit); mToolkit = NULL; } DispatchStandardEvent(NS_DESTROY); } //------------------------------------------------------------------------- // // Paint // //------------------------------------------------------------------------- PRBool nsWindow::OnPaint() { nsRect bounds; PRBool result = PR_TRUE; PAINTSTRUCT ps; HDC hDC = ::BeginPaint(mWnd, &ps); 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 = ▭ static NS_DEFINE_IID(kRenderingContextCID, NS_RENDERING_CONTEXT_CID); static NS_DEFINE_IID(kRenderingContextIID, NS_IRENDERING_CONTEXT_IID); if (NS_OK == NSRepository::CreateInstance(kRenderingContextCID, nsnull, kRenderingContextIID, (void **)&event.renderingContext)) { event.renderingContext->Init(mContext, (nsDrawingSurface)hDC); result = DispatchEvent(&event); NS_RELEASE(event.renderingContext); } else result = PR_FALSE; } } ::EndPaint(mWnd, &ps); 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; return(DispatchEvent(&event)); } return PR_FALSE; } //------------------------------------------------------------------------- // // Deal with all sort of mouse event // //------------------------------------------------------------------------- PRBool nsWindow::DispatchMouseEvent(PRUint32 aEventType) { PRBool result = PR_FALSE; if (nsnull == mEventCallback && nsnull == mMouseListener) { return result; } nsMouseEvent event; InitEvent(event, aEventType); event.isShift = GetKeyState(VK_LSHIFT) < 0 || GetKeyState(VK_RSHIFT) < 0; event.isControl = GetKeyState(VK_LCONTROL) < 0 || GetKeyState(VK_RCONTROL) < 0; event.isAlt = GetKeyState(VK_LMENU) < 0 || GetKeyState(VK_RMENU) < 0; event.clickCount = (aEventType == NS_MOUSE_LEFT_DOUBLECLICK || aEventType == NS_MOUSE_LEFT_DOUBLECLICK)? 2:1; // call the event callback if (nsnull != mEventCallback) { result = DispatchEvent(&event); //printf("**result=%d%\n",result); if (aEventType == NS_MOUSE_MOVE) { MouseTrailer * mouseTrailer = MouseTrailer::GetMouseTrailer(0); MouseTrailer::SetMouseTrailerWindow(this); mouseTrailer->CreateTimer(); nsRect rect; GetBounds(rect); rect.x = 0; rect.y = 0; //printf("Rect[%d, %d, %d, %d] Point[%d,%d]\n", rect.x, rect.y, rect.width, rect.height, event.position.x, event.position.y); //printf("mCurrentWindow 0x%X\n", mCurrentWindow); if (rect.Contains(event.point.x, event.point.y)) { if (mCurrentWindow == NULL || mCurrentWindow != this) { if ((nsnull != mCurrentWindow) && (!mCurrentWindow->mIsDestroying)) { mCurrentWindow->DispatchMouseEvent(NS_MOUSE_EXIT); } mCurrentWindow = this; mCurrentWindow->DispatchMouseEvent(NS_MOUSE_ENTER); } } } else if (aEventType == NS_MOUSE_EXIT) { if (mCurrentWindow == this) { mCurrentWindow = nsnull; } } 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 (mCurrentWindow == NULL || mCurrentWindow != this) { printf("Mouse enter"); mCurrentWindow = 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 } return result; } //------------------------------------------------------------------------- // // Deal with focus messages // //------------------------------------------------------------------------- PRBool nsWindow::DispatchFocus(PRUint32 aEventType) { // call the event callback if (mEventCallback) { return(DispatchStandardEvent(aEventType)); } 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; } //------------------------------------------------------------------------- // // Constructor // //------------------------------------------------------------------------- #define INITIAL_SIZE 2 nsWindow::Enumerator::Enumerator() { mRefCnt = 1; mArraySize = INITIAL_SIZE; mChildrens = (nsIWidget**)new DWORD[mArraySize]; memset(mChildrens, 0, sizeof(DWORD) * mArraySize); mCurrentPosition = 0; } //------------------------------------------------------------------------- // // Destructor // //------------------------------------------------------------------------- nsWindow::Enumerator::~Enumerator() { if (mChildrens) { //for (int i = 0; mChildrens[i] && i < mArraySize; i++) { // NS_RELEASE(mChildrens[i]); //} delete[] mChildrens; } } // // nsISupports implementation macro // NS_IMPL_ISUPPORTS(nsWindow::Enumerator, NS_IENUMERATOR_IID); //------------------------------------------------------------------------- // // Get enumeration next element. Return null at the end // //------------------------------------------------------------------------- nsISupports* nsWindow::Enumerator::Next() { if (mCurrentPosition < mArraySize && mChildrens[mCurrentPosition]) { mChildrens[mCurrentPosition]->AddRef(); return mChildrens[mCurrentPosition++]; } return NULL; } //------------------------------------------------------------------------- // // Reset enumerator internal pointer to the beginning // //------------------------------------------------------------------------- void nsWindow::Enumerator::Reset() { mCurrentPosition = 0; } //------------------------------------------------------------------------- // // Append an element // //------------------------------------------------------------------------- void nsWindow::Enumerator::Append(nsIWidget* aWidget) { NS_PRECONDITION(aWidget, "Null widget"); if (aWidget) { int pos; for (pos = 0; pos < mArraySize && mChildrens[pos]; pos++); if (pos == mArraySize) { GrowArray(); } mChildrens[pos] = aWidget; aWidget->AddRef(); } } //------------------------------------------------------------------------- // // Remove an element // //------------------------------------------------------------------------- void nsWindow::Enumerator::Remove(nsIWidget* aWidget) { int pos; for(pos = 0; mChildrens[pos] && (mChildrens[pos] != aWidget); pos++); if (mChildrens[pos] == aWidget) { NS_RELEASE(aWidget); memcpy(mChildrens + pos, mChildrens + pos + 1, mArraySize - pos - 1); } } //------------------------------------------------------------------------- // // Grow the size of the children array // //------------------------------------------------------------------------- void nsWindow::Enumerator::GrowArray() { mArraySize <<= 1; nsIWidget **newArray = (nsIWidget**)new DWORD[mArraySize]; memset(newArray, 0, sizeof(DWORD) * mArraySize); memcpy(newArray, mChildrens, (mArraySize>>1) * sizeof(DWORD)); mChildrens = newArray; } //------------------------------------------------------------------------- // // return the style for a child nsWindow // //------------------------------------------------------------------------- DWORD ChildWindow::WindowStyle() { return WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | GetBorderStyle(mBorderStyle); } DWORD nsWindow::GetBorderStyle(nsBorderStyle aBorderStyle) { switch(aBorderStyle) { case eBorderStyle_none: return(0); break; case eBorderStyle_dialog: return(WS_DLGFRAME | DS_3DLOOK); break; default: NS_ASSERTION(0, "unknown border style"); return(WS_OVERLAPPEDWINDOW); } } void nsWindow::SetBorderStyle(nsBorderStyle aBorderStyle) { mBorderStyle = aBorderStyle; } void nsWindow::SetTitle(const nsString& aTitle) { NS_ALLOC_STR_BUF(buf, aTitle, 256); ::SendMessage(mWnd, WM_SETTEXT, (WPARAM)0, (LPARAM)(LPCTSTR)buf); NS_FREE_STR_BUF(buf); } /** * Processes a mouse pressed event * **/ void nsWindow::AddMouseListener(nsIMouseListener * aListener) { NS_PRECONDITION(mMouseListener == nsnull, "Null mouse listener"); mMouseListener = aListener; } /** * Processes a mouse pressed event * **/ void nsWindow::AddEventListener(nsIEventListener * aListener) { NS_PRECONDITION(mEventListener == nsnull, "Null mouse listener"); mEventListener = aListener; } PRBool nsWindow::AutoErase() { return(PR_FALSE); }