gecko-dev/widget/src/windows/nsWindow.cpp

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1998-04-13 20:24:54 +00:00
/* -*- 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/
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*
* 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.
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
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*/
#if defined(DEBUG_ftang)
//#define KE_DEBUG
//#define DEBUG_IME
//#define DEBUG_IME2
//#define DEBUG_KBSTATE
#endif
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#include "nsWindow.h"
#include "nsIAppShell.h"
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#include "nsIFontMetrics.h"
#include "nsFont.h"
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#include "nsGUIEvent.h"
#include "nsIRenderingContext.h"
#include "nsIDeviceContext.h"
#include "nsRect.h"
#include "nsTransform2D.h"
#include "nsStringUtil.h"
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#include <windows.h>
//#include <winuser.h>
#include <zmouse.h>
//#include "sysmets.h"
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#include "nsGfxCIID.h"
#include "resource.h"
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#include <commctrl.h>
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#include "prtime.h"
#include "nsIRenderingContextWin.h"
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#include "nsIMenu.h"
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#include "nsMenu.h"
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#include "nsIMenuItem.h"
#include "nsIMenuListener.h"
#include "nsMenuItem.h"
#include <imm.h>
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#include "nsNativeDragTarget.h"
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#include "nsIRollupListener.h"
#include "nsIRegion.h"
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//~~~ windowless plugin support
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#include "nsplugindefs.h"
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// For clipboard support
#include "nsIServiceManager.h"
#include "nsIClipboard.h"
#include "nsWidgetsCID.h"
static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
static NS_DEFINE_IID(kRenderingContextCID, NS_RENDERING_CONTEXT_CID);
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BOOL nsWindow::sIsRegistered = FALSE;
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////////////////////////////////////////////////////
static nsIRollupListener * gRollupListener = nsnull;
static nsIWidget * gRollupWidget = nsnull;
static PRBool gRollupConsumeRollupEvent = PR_FALSE;
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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;
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//
// 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)))
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(nsIKBStateControl::GetIID())) {
*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;
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mMenuBar = nsnull;
mMenuCmdId = 0;
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mWindowType = eWindowType_child;
mBorderStyle = eBorderStyle_default;
mBorderlessParent = 0;
mHitMenu = nsnull;
mHitSubMenus = new nsVoidArray();
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();
}
NS_IF_RELEASE(mHitMenu); // this should always have already been freed by the deselect
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delete mHitSubMenus;
//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;
}
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//-------------------------------------------------------------------------
//
// Default for height modification is to do nothing
//
//-------------------------------------------------------------------------
PRInt32 nsWindow::GetHeight(PRInt32 aProposedHeight)
{
return(aProposedHeight);
}
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//-------------------------------------------------------------------------
//
// 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;
}
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//-------------------------------------------------------------------------
//
// Convert nsEventStatus value to a windows boolean
//
//-------------------------------------------------------------------------
PRBool nsWindow::ConvertStatus(nsEventStatus aStatus)
{
switch(aStatus) {
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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");
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break;
}
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return PR_FALSE;
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}
//-------------------------------------------------------------------------
//
// Initialize an event to dispatch
//
//-------------------------------------------------------------------------
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void nsWindow::InitEvent(nsGUIEvent& event, PRUint32 aEventType, nsPoint* aPoint)
{
event.widget = this;
NS_ADDREF(event.widget);
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if (nsnull == aPoint) { // use the point from the event
// get the message position in client coordinates and in twips
DWORD pos = ::GetMessagePos();
POINT cpos;
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cpos.x = LOWORD(pos);
cpos.y = HIWORD(pos);
if (mWnd != NULL) {
::ScreenToClient(mWnd, &cpos);
event.point.x = cpos.x;
event.point.y = cpos.y;
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} else {
event.point.x = 0;
event.point.y = 0;
}
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}
else { // use the point override if provided
event.point.x = aPoint->x;
event.point.y = aPoint->y;
}
event.time = ::GetMessageTime();
event.message = aEventType;
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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;
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//if (nsnull != mMenuListener)
// aStatus = mMenuListener->MenuSelected(*event);
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;
}
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//-------------------------------------------------------------------------
NS_IMETHODIMP nsWindow::CaptureRollupEvents(nsIRollupListener * aListener,
PRBool aDoCapture,
PRBool aConsumeRollupEvent)
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{
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;
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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;
}
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//-------------------------------------------------------------------------
//
// 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 and 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.
// We have to special case native scrollbars since they need to get the event otherwise
// they will not scroll.
if (nsWindow::IsScrollbar(hWnd)) {
return MA_NOACTIVATE;
} else {
return MA_NOACTIVATEANDEAT;
}
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}
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}
// Get the window which caused the event and ask it to process the message
nsWindow *someWindow = (nsWindow*)::GetWindowLong(hWnd, GWL_USERDATA);
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// 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<nsISupports> 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.
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if (msg == WM_NOTIFY) {
LPNMHDR pnmh = (LPNMHDR) lParam;
if (pnmh->code == TCN_SELCHANGE) {
someWindow = (nsWindow*)::GetWindowLong(pnmh->hwndFrom, GWL_USERDATA);
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}
}
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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
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}
//WINOLEAPI oleStatus;
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//-------------------------------------------------------------------------
//
// Utility method for implementing both Create(nsIWidget ...) and
// Create(nsNativeWidget...)
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//-------------------------------------------------------------------------
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// This is needed for drag & drop & Clipboard support
BOOL gOLEInited = FALSE;
nsresult nsWindow::StandardWindowCreate(nsIWidget *aParent,
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const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIAppShell *aAppShell,
nsIToolkit *aToolkit,
nsWidgetInitData *aInitData,
nsNativeWidget aNativeParent)
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{
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;
}
}
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// 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];
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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;
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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();
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if (nsnull != aInitData) {
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SetWindowType(aInitData->mWindowType);
SetBorderStyle(aInitData->mBorderStyle);
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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;
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}
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,
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WindowClass(),
"",
style,
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aRect.x,
aRect.y,
aRect.width,
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GetHeight(aRect.height),
parent,
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NULL,
nsToolkit::mDllInstance,
NULL);
VERIFY(mWnd);
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// Initial Drag & Drop Work
if (!gOLEInited) {
DWORD dwVer = ::OleBuildVersion();
if (FAILED(::OleInitialize(NULL))){
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printf("***** OLE has not been initialized!\n");
} else {
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//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)) {
}
}
}*/
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// call the event callback to notify about creation
DispatchStandardEvent(NS_CREATE);
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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));
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}
//-------------------------------------------------------------------------
//
// create with a native parent
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Create(nsNativeWidget aParent,
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const nsRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsIDeviceContext *aContext,
nsIAppShell *aAppShell,
nsIToolkit *aToolkit,
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nsWidgetInitData *aInitData)
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{
return(StandardWindowCreate(nsnull, aRect, aHandleEventFunction,
aContext, aAppShell, aToolkit, aInitData,
aParent));
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}
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//-------------------------------------------------------------------------
//
// Close this nsWindow
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Destroy()
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{
// 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;
}
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// 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;
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}
//-------------------------------------------------------------------------
//
// 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;
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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);
}
}
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}
}
return (nsIWidget*)widget;
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}
//-------------------------------------------------------------------------
//
// Hide or show this component
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Show(PRBool bState)
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{
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);
}
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}
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;
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}
//-------------------------------------------------------------------------
// 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;
}
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//-------------------------------------------------------------------------
//
// Move this component
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Move(PRInt32 aX, PRInt32 aY)
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{
// When moving a borderless top-level window the window
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// 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.
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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;
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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);
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}
return NS_OK;
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}
//-------------------------------------------------------------------------
//
// Resize this component
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Resize(PRInt32 aWidth, PRInt32 aHeight, PRBool aRepaint)
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{
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;
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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 {
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VERIFY(::SetWindowPos(mWnd, NULL, 0, 0, aWidth, GetHeight(aHeight),
flags));
}
NS_IF_RELEASE(par);
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}
return NS_OK;
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}
//-------------------------------------------------------------------------
//
// Resize this component
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Resize(PRInt32 aX,
PRInt32 aY,
PRInt32 aWidth,
PRInt32 aHeight,
PRBool aRepaint)
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{
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;
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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 {
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VERIFY(::SetWindowPos(mWnd, NULL, aX, aY, aWidth, GetHeight(aHeight),
flags));
}
NS_IF_RELEASE(par);
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}
return NS_OK;
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}
//-------------------------------------------------------------------------
//
// Enable/disable this component
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Enable(PRBool bState)
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{
if (mWnd) {
::EnableWindow(mWnd, bState);
}
return NS_OK;
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}
//-------------------------------------------------------------------------
//
// Give the focus to this component
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::SetFocus(void)
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{
//
// Switch to the "main gui thread" if necessary... This method must
// be executed on the "gui thread"...
//
nsToolkit* toolkit = (nsToolkit *)mToolkit;
if (!toolkit->IsGuiThread()) {
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MethodInfo info(this, nsWindow::SET_FOCUS);
toolkit->CallMethod(&info);
return NS_ERROR_FAILURE;
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}
if (mWnd) {
::SetFocus(mWnd);
}
return NS_OK;
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}
//-------------------------------------------------------------------------
//
// Get this component dimension
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::GetBounds(nsRect &aRect)
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{
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;
}
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return NS_OK;
}
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//-------------------------------------------------------------------------
//
// 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);
}
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}
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//-------------------------------------------------------------------------
//
// Set the background color
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::SetBackgroundColor(const nscolor &aColor)
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{
nsBaseWidget::SetBackgroundColor(aColor);
if (mBrush)
::DeleteObject(mBrush);
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mBrush = ::CreateSolidBrush(NSRGB_2_COLOREF(mBackground));
if (mWnd != NULL) {
SetClassLong(mWnd, GCL_HBRBACKGROUND, (LONG)mBrush);
}
return NS_OK;
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}
//-------------------------------------------------------------------------
//
// 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)
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{
// 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;
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}
1998-04-13 20:24:54 +00:00
//-------------------------------------------------------------------------
//
// Set this component cursor
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::SetCursor(nsCursor aCursor)
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{
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// 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) {
1998-04-13 20:24:54 +00:00
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));
1998-04-13 20:24:54 +00:00
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;
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case eCursor_arrow_north:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWNORTH));
1998-08-07 14:45:46 +00:00
break;
case eCursor_arrow_north_plus:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWNORTHPLUS));
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break;
case eCursor_arrow_south:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWSOUTH));
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break;
case eCursor_arrow_south_plus:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWSOUTHPLUS));
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break;
case eCursor_arrow_east:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWEAST));
1998-08-07 14:45:46 +00:00
break;
case eCursor_arrow_east_plus:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWEASTPLUS));
1998-08-07 14:45:46 +00:00
break;
case eCursor_arrow_west:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWWEST));
1998-08-07 14:45:46 +00:00
break;
case eCursor_arrow_west_plus:
newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ARROWWESTPLUS));
1998-08-07 14:45:46 +00:00
break;
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default:
NS_ASSERTION(0, "Invalid cursor type");
break;
}
if (NULL != newCursor) {
mCursor = aCursor;
HCURSOR oldCursor = ::SetCursor(newCursor);
}
//}
return NS_OK;
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}
//-------------------------------------------------------------------------
//
// Invalidate this component visible area
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Invalidate(PRBool aIsSynchronous)
1998-04-13 20:24:54 +00:00
{
if (mWnd)
{
#ifdef NS_DEBUG
debug_DumpInvalidate(stdout,
this,
nsnull,
aIsSynchronous,
"noname",
(PRInt32) mWnd);
#endif // NS_DEBUG
VERIFY(::InvalidateRect(mWnd, NULL, TRUE));
if (aIsSynchronous) {
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VERIFY(::UpdateWindow(mWnd));
}
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}
return NS_OK;
1998-04-13 20:24:54 +00:00
}
//-------------------------------------------------------------------------
//
// 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;
}
1998-04-13 20:24:54 +00:00
//-------------------------------------------------------------------------
//
// Return some native data according to aDataType
//
//-------------------------------------------------------------------------
void* nsWindow::GetNativeData(PRUint32 aDataType)
{
switch(aDataType) {
case NS_NATIVE_WIDGET:
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case NS_NATIVE_WINDOW:
case NS_NATIVE_PLUGIN_PORT:
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return (void*)mWnd;
case NS_NATIVE_GRAPHIC:
// XXX: This is sleezy!! Remember to Release the DC after using it!
1998-04-13 20:24:54 +00:00
return (void*)::GetDC(mWnd);
case NS_NATIVE_COLORMAP:
default:
break;
}
return NULL;
}
1999-05-27 23:20:09 +00:00
//~~~
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;
}
}
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//-------------------------------------------------------------------------
//
// Set the colormap of the window
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::SetColorMap(nsColorMap *aColorMap)
1998-04-13 20:24:54 +00:00
{
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;
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}
//-------------------------------------------------------------------------
//
// Scroll the bits of a window
//
//-------------------------------------------------------------------------
NS_METHOD nsWindow::Scroll(PRInt32 aDx, PRInt32 aDy, nsRect *aClipRect)
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{
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);
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::UpdateWindow(mWnd);
return NS_OK;
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}
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//-------------------------------------------------------------------------
//
// 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");
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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]));
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break;
case nsWindow::CREATE_NATIVE:
NS_ASSERTION(info->nArgs == 7, "Wrong number of arguments to CallMethod");
Create((nsNativeWidget)(info->args[0]),
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(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]));
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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);
}
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//-------------------------------------------------------------------------
nsIMenuItem * nsWindow::FindMenuItem(nsIMenu * aMenu, PRUint32 aId)
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{
PRUint32 i, count;
aMenu->GetItemCount(count);
for (i=0;i<count;i++) {
nsISupports * item;
nsIMenuItem * menuItem;
nsIMenu * menu;
aMenu->GetItemAt(i, item);
if (NS_OK == item->QueryInterface(nsCOMTypeInfo<nsIMenuItem>::GetIID(), (void **)&menuItem)) {
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if (((nsMenuItem *)menuItem)->GetCmdId() == (PRInt32)aId) {
NS_RELEASE(item);
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return menuItem;
}
} else if (NS_OK == item->QueryInterface(nsCOMTypeInfo<nsIMenu>::GetIID(), (void **)&menu)) {
nsIMenuItem * fndItem = FindMenuItem(menu, aId);
NS_RELEASE(menu);
if (nsnull != fndItem) {
NS_RELEASE(item);
return fndItem;
}
}
NS_RELEASE(item);
}
return nsnull;
}
//-------------------------------------------------------------------------
static nsIMenuItem * FindMenuChild(nsIMenu * aMenu, PRInt32 aId)
{
PRUint32 i, count;
aMenu->GetItemCount(count);
for (i=0;i<count;i++) {
nsISupports * item;
aMenu->GetItemAt(i, item);
nsIMenuItem * menuItem;
if (NS_OK == item->QueryInterface(nsCOMTypeInfo<nsIMenuItem>::GetIID(), (void **)&menuItem)) {
if (((nsMenuItem *)menuItem)->GetCmdId() == (PRInt32)aId) {
NS_RELEASE(item);
return menuItem;
}
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}
NS_RELEASE(item);
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}
return nsnull;
}
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//-------------------------------------------------------------------------
nsIMenu * nsWindow::FindMenu(nsIMenu * aMenu, HMENU aNativeMenu, PRInt32 &aDepth)
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{
if (aNativeMenu == ((nsMenu *)aMenu)->GetNativeMenu()) {
NS_ADDREF(aMenu);
return aMenu;
}
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//aDepth++;
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PRUint32 i, count;
aMenu->GetItemCount(count);
for (i=0;i<count;i++) {
nsISupports * item;
aMenu->GetItemAt(i, item);
nsIMenu * menu;
if (NS_OK == item->QueryInterface(nsCOMTypeInfo<nsIMenu>::GetIID(), (void **)&menu)) {
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HMENU nativeMenu = ((nsMenu *)menu)->GetNativeMenu();
if (nativeMenu == aNativeMenu) {
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aDepth++;
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return menu;
} else {
nsIMenu * fndMenu = FindMenu(menu, aNativeMenu, aDepth);
if (fndMenu) {
NS_RELEASE(item);
NS_RELEASE(menu);
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aDepth++;
return fndMenu;
}
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}
NS_RELEASE(menu);
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}
NS_RELEASE(item);
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}
return nsnull;
}
//-------------------------------------------------------------------------
static void AdjustMenus(nsIMenu * aCurrentMenu, nsIMenu * aNewMenu, nsMenuEvent & aEvent)
{
if (nsnull != aCurrentMenu) {
nsIMenuListener * listener;
if (NS_OK == aCurrentMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
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//listener->MenuDeselected(aEvent);
NS_RELEASE(listener);
}
}
if (nsnull != aNewMenu) {
nsIMenuListener * listener;
if (NS_OK == aNewMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
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NS_ASSERTION(false, "get debugger");
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//listener->MenuSelected(aEvent);
NS_RELEASE(listener);
}
}
}
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//-------------------------------------------------------------------------
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nsresult nsWindow::MenuHasBeenSelected(
HMENU aNativeMenu,
UINT aItemNum,
UINT aFlags,
UINT aCommand)
{
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// Build nsMenuEvent
nsMenuEvent event;
event.mCommand = aCommand;
event.eventStructType = NS_MENU_EVENT;
InitEvent(event, NS_MENU_SELECTED);
// The MF_POPUP flag tells us if we are a menu item or a menu
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// the aItemNum is either the command ID of the menu item or
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// the position of the menu as a child of its parent
PRBool isMenuItem = !(aFlags & MF_POPUP);
if(isMenuItem) {
//printf("WM_MENUSELECT for menu item\n");
//NS_RELEASE(event.widget);
//return NS_OK;
}
else
{
//printf("WM_MENUSELECT for menu\n");
}
// uItem is the position of the item that was clicked
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// aNativeMenu is a handle to the menu that was clicked
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// if aNativeMenu is NULL then the menu is being deselected
if (!aNativeMenu) {
//printf("... for deselect\n");
//printf("///////////// Menu is NULL!\n");
// check to make sure something had been selected
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//AdjustMenus(mHitMenu, nsnull, event);
nsIMenu * aNewMenu = nsnull;
nsMenuEvent aEvent = event;
//static void AdjustMenus(nsIMenu * aCurrentMenu, nsIMenu * aNewMenu, nsMenuEvent & aEvent)
{
if (nsnull != mHitMenu) {
nsIMenuListener * listener;
if (NS_OK == mHitMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuDeselected(aEvent);
NS_RELEASE(listener);
}
}
if (nsnull != aNewMenu) {
nsIMenuListener * listener;
if (NS_OK == aNewMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuSelected(aEvent);
NS_RELEASE(listener);
}
}
}
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NS_IF_RELEASE(mHitMenu);
// Clear All SubMenu items
while (mHitSubMenus->Count() > 0) {
PRUint32 inx = mHitSubMenus->Count()-1;
nsIMenu * menu = (nsIMenu *)mHitSubMenus->ElementAt(inx);
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//AdjustMenus(menu, nsnull, event);
nsIMenu * aCurrentMenu = menu;
nsIMenu * aNewMenu = nsnull;
//static void AdjustMenus(nsIMenu * aCurrentMenu, nsIMenu * aNewMenu, nsMenuEvent & aEvent)
{
if (nsnull != aCurrentMenu) {
nsIMenuListener * listener;
if (NS_OK == aCurrentMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuDeselected(event);
NS_RELEASE(listener);
}
}
if (nsnull != aNewMenu) {
nsIMenuListener * listener;
if (NS_OK == aNewMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuSelected(event);
NS_RELEASE(listener);
}
}
}
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NS_RELEASE(menu);
mHitSubMenus->RemoveElementAt(inx);
}
NS_RELEASE(event.widget);
return NS_OK;
} else { // The menu is being selected
//printf("... for selection\n");
void * voidData;
mMenuBar->GetNativeData(voidData);
HMENU nativeMenuBar = (HMENU)voidData;
// first check to see if it is a member of the menubar
nsIMenu * hitMenu = nsnull;
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if (aNativeMenu == nativeMenuBar) {
mMenuBar->GetMenuAt(aItemNum, hitMenu);
if (mHitMenu != hitMenu) {
//mHitMenu, hitMenu, event
nsMenuEvent aEvent = event;
//AdjustMenus(nsIMenu * aCurrentMenu, nsIMenu * aNewMenu, nsMenuEvent & aEvent)
{
if (nsnull != mHitMenu) {
nsIMenuListener * listener;
if (NS_OK == mHitMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuDeselected(aEvent);
NS_RELEASE(listener);
}
}
if (nsnull != hitMenu) {
nsIMenuListener * listener;
if (NS_OK == hitMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuSelected(aEvent);
NS_RELEASE(listener);
}
}
}
NS_IF_RELEASE(mHitMenu);
mHitMenu = hitMenu;
} else {
NS_IF_RELEASE(hitMenu);
}
} else {
// At this point we know we are inside a menu
// Find the menu we are in (the parent menu)
nsIMenu * parentMenu = nsnull;
PRInt32 fndDepth = 0;
PRUint32 i, count;
mMenuBar->GetMenuCount(count);
for (i=0;i<count;i++) {
nsIMenu * menu;
mMenuBar->GetMenuAt(i, menu);
PRInt32 depth = 0;
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parentMenu = FindMenu(menu, aNativeMenu, depth);
if (parentMenu) {
fndDepth = depth;
break;
}
NS_RELEASE(menu);
}
if (nsnull != parentMenu) {
// Sometimes an event comes through for a menu that is being popup down
// So it its depth is great then the current hit list count it already gone.
if (fndDepth > mHitSubMenus->Count()) {
NS_RELEASE(parentMenu);
NS_RELEASE(event.widget);
return NS_OK;
}
nsIMenu * newMenu = nsnull;
// Skip if it is a menu item, otherwise, we get the menu by position
if (!isMenuItem) {
//printf("Getting submenu by position %d from parentMenu\n", aItemNum);
nsISupports * item;
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parentMenu->GetItemAt((PRUint32)aItemNum, item);
if (NS_OK != item->QueryInterface(nsCOMTypeInfo<nsIMenu>::GetIID(), (void **)&newMenu)) {
//printf("Item was not a menu! What are we doing here? Return early....\n");
NS_RELEASE(event.widget);
return NS_ERROR_FAILURE;
}
}
// Figure out if this new menu is in the list of popup'ed menus
PRBool newFound = PR_FALSE;
PRInt32 newLevel = 0;
for (newLevel=0;newLevel<mHitSubMenus->Count();newLevel++) {
if (newMenu == (nsIMenu *)mHitSubMenus->ElementAt(newLevel)) {
newFound = PR_TRUE;
break;
}
}
// Figure out if the parent menu is in the list of popup'ed menus
PRBool found = PR_FALSE;
PRInt32 level = 0;
for (level=0;level<mHitSubMenus->Count();level++) {
if (parentMenu == (nsIMenu *)mHitSubMenus->ElementAt(level)) {
found = PR_TRUE;
break;
}
}
// So now figure out were we are compared to the hit list depth
// we figure out how many items are open below
//
// If the parent was found then we use it
// if the parent was NOT found this means we are at the very first level (menu from the menubar)
// Windows will send an event for a parent AND child that is already in the hit list
// and we think we should be popping it down. So we check to see if the
// new menu is already in the tree so it doesn't get removed and then added.
PRInt32 numToRemove = 0;
if (found) {
numToRemove = mHitSubMenus->Count() - level - 1;
} else {
// This means we got a menu event for a menubar menu
if (newFound) { // newFound checks to see if the new menu to be added is already in the hit list
numToRemove = mHitSubMenus->Count() - newLevel - 1;
} else {
numToRemove = mHitSubMenus->Count();
}
}
// If we are to remove 1 item && the new menu to be added is the
// same as the one we would be removing, then don't remove it.
if (numToRemove == 1 && newMenu == (nsIMenu *)mHitSubMenus->ElementAt(mHitSubMenus->Count()-1)) {
numToRemove = 0;
}
// Now loop thru and removing the menu from thre list
PRInt32 ii;
for (ii=0;ii<numToRemove;ii++) {
nsIMenu * m = (nsIMenu *)mHitSubMenus->ElementAt(mHitSubMenus->Count()-1 );
1999-04-20 01:18:55 +00:00
//AdjustMenus(m, nsnull, event);
nsIMenu * aCurrentMenu = m;
nsIMenu * aNewMenu = nsnull;
nsMenuEvent aEvent = event;
//static void AdjustMenus(nsIMenu * aCurrentMenu, nsIMenu * aNewMenu, nsMenuEvent & aEvent)
{
if (nsnull != aCurrentMenu) {
nsIMenuListener * listener;
if (NS_OK == aCurrentMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuDeselected(aEvent);
NS_RELEASE(listener);
}
}
if (nsnull != aNewMenu) {
nsIMenuListener * listener;
if (NS_OK == aNewMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
NS_ASSERTION(false, "get debugger");
listener->MenuSelected(aEvent);
NS_RELEASE(listener);
}
}
}
nsString name;
m->GetLabel(name);
NS_RELEASE(m);
mHitSubMenus->RemoveElementAt(mHitSubMenus->Count()-1);
}
// At this point we bail if we are a menu item
if (isMenuItem) {
NS_RELEASE(event.widget);
return NS_OK;
}
// Here we know we have a menu, check one last time to see
// if the new one is the last one in the list
// Add it if it isn't or skip adding it
nsString name;
newMenu->GetLabel(name);
if (newMenu != (nsIMenu *)mHitSubMenus->ElementAt(mHitSubMenus->Count()-1)) {
mHitSubMenus->AppendElement(newMenu);
NS_ADDREF(newMenu);
1999-04-20 01:18:55 +00:00
//AdjustMenus(nsnull, newMenu, event);
nsIMenu * aCurrentMenu = nsnull;
nsIMenu * aNewMenu = newMenu;
nsMenuEvent aEvent = event;
//static void AdjustMenus(nsIMenu * aCurrentMenu, nsIMenu * aNewMenu, nsMenuEvent & aEvent)
{
if (nsnull != aCurrentMenu) {
nsIMenuListener * listener;
if (NS_OK == aCurrentMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuDeselected(aEvent);
NS_RELEASE(listener);
}
}
if (nsnull != aNewMenu) {
nsIMenuListener * listener;
if (NS_OK == aNewMenu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuSelected(aEvent);
NS_RELEASE(listener);
}
}
}
}
NS_RELEASE(parentMenu);
} else {
//printf("no menu was found. This is bad.\n");
1999-03-05 21:04:57 +00:00
// XXX need to assert here!
}
}
}
NS_RELEASE(event.widget);
return NS_OK;
}
//---------------------------------------------------------
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;
}
1999-03-01 16:22:40 +00:00
1999-04-23 14:30:51 +00:00
//-------------------------------------------------------------------------
//
// 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 = 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
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event.isShift = mIsShiftDown;
event.isControl = mIsControlDown;
event.isMeta = PR_FALSE;
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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;
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break;
case VK_DELETE:
*aAsciiKey = '\177';
keyType = SPECIAL_KEY;
break;
case VK_MENU:
// Let this through for XP menus.
*aAsciiKey = aVirtualKeyCode;
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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;
}
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//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
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);
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} break;
case SPECIAL_KEY:
break;
} // switch
if (asciiKey) {
//printf("Dispatching Key Up [%d]\n", asciiKey);
DispatchKeyEvent(NS_KEY_UP, asciiKey, aVirtualKeyCode);
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}
// always let the def proc process a WM_KEYUP
return FALSE;
}
//-------------------------------------------------------------------------
//
//
//-------------------------------------------------------------------------
1999-06-11 20:32:09 +00:00
BOOL nsWindow::OnChar( UINT mbcsCharCode, UINT virtualKeyCode, bool isMultiByte )
{
wchar_t uniChar;
char charToConvert[2];
size_t length;
{
1999-06-11 20:32:09 +00:00
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
{
if(virtualKeyCode < 0x20)
{
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;
}
1999-04-23 14:30:51 +00:00
1998-04-13 20:24:54 +00:00
//-------------------------------------------------------------------------
//
// Process all nsWindows messages
//
//-------------------------------------------------------------------------
1999-11-13 05:16:33 +00:00
static PRBool gJustGotDeactivate = PR_FALSE;
static PRBool gJustGotActivate = PR_FALSE;
1998-04-13 20:24:54 +00:00
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;
1999-03-01 16:22:40 +00:00
*aRetValue = 0;
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switch (msg) {
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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);
1999-04-20 01:18:55 +00:00
1999-02-17 14:30:47 +00:00
if (mMenuBar) {
PRUint32 i, count;
mMenuBar->GetMenuCount(count);
for (i=0;i<count;i++) {
nsIMenu * menu;
mMenuBar->GetMenuAt(i, menu);
nsIMenuItem * menuItem = FindMenuItem(menu, event.mCommand);
if (menuItem) {
nsIMenuListener * listener;
if (NS_OK == menuItem->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener)) {
listener->MenuItemSelected(event);
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NS_RELEASE(listener);
1999-04-20 01:18:55 +00:00
menu->QueryInterface(nsCOMTypeInfo<nsIMenuListener>::GetIID(), (void **)&listener);
if(listener){
//listener->MenuDestruct(event);
NS_RELEASE(listener);
}
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}
NS_RELEASE(menuItem);
}
NS_RELEASE(menu);
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}
}
NS_RELEASE(event.widget);
}
}
break;
case WM_DISPLAYCHANGE:
DispatchStandardEvent(NS_DISPLAYCHANGED);
break;
1998-04-17 00:16:11 +00:00
case WM_NOTIFY:
// TAB change
{
LPNMHDR pnmh = (LPNMHDR) lParam;
switch (pnmh->code) {
case TCN_SELCHANGE: {
DispatchStandardEvent(NS_TABCHANGE);
result = PR_TRUE;
}
break;
}
1998-04-17 00:16:11 +00:00
}
break;
case WM_MOVE: // Window moved
{
1998-05-29 22:44:13 +00:00
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;
1998-04-17 00:16:11 +00:00
case WM_CLOSE: // close request
DispatchStandardEvent(NS_XUL_CLOSE);
result = PR_TRUE; // abort window closure
break;
1998-04-13 20:24:54 +00:00
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;
}
1999-04-23 14:30:51 +00:00
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);
}
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// 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;
// Let's consume the ALT key up so that we don't go into
// a menu bar if we don't have one.
// XXX This will cause a tiny breakage in viewer... namely
// that hitting ALT by itself in viewer won't move you into
// the menu. ALT+shortcut key will still work, though, so
// I figure this is ok.
if (!mMenuBar && (wParam == NS_VK_ALT)) {
result = PR_TRUE;
*aRetValue = 0;
}
break;
// Let ths fall through if it isn't a key pad
case WM_SYSKEYDOWN:
1999-04-23 14:30:51 +00:00
case WM_KEYDOWN: {
#ifdef KE_DEBUG
printf("%s\t\twp=%4x\tlp=%8x\n",
(WM_KEYDOWN==msg)?"WM_KEYDOWN":"WM_SYSKEYDOWN" , wParam, lParam);
#endif
1999-04-23 14:30:51 +00:00
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;
}
1998-04-13 20:24:54 +00:00
break;
// say we've dealt with erase background if widget does
// not need auto-erasing
case WM_ERASEBKGND:
1998-05-05 19:58:27 +00:00
if (! AutoErase()) {
*aRetValue = 1;
result = PR_TRUE;
}
1998-04-13 20:24:54 +00:00
break;
case WM_MOUSEMOVE:
//RelayMouseEvent(msg,wParam, lParam);
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result = DispatchMouseEvent(NS_MOUSE_MOVE);
break;
case WM_LBUTTONDOWN:
//SetFocus(); // this is bad
//RelayMouseEvent(msg,wParam, lParam);
{
1998-04-13 20:24:54 +00:00
result = DispatchMouseEvent(NS_MOUSE_LEFT_BUTTON_DOWN);
} break;
1998-04-13 20:24:54 +00:00
case WM_LBUTTONUP:
//RelayMouseEvent(msg,wParam, lParam);
1998-04-13 20:24:54 +00:00
result = DispatchMouseEvent(NS_MOUSE_LEFT_BUTTON_UP);
break;
case WM_LBUTTONDBLCLK:
result = DispatchMouseEvent(NS_MOUSE_LEFT_DOUBLECLICK);
1998-04-13 20:24:54 +00:00
break;
case WM_MBUTTONDOWN:
{
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result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_DOWN);
} break;
1998-04-13 20:24:54 +00:00
case WM_MBUTTONUP:
result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_UP);
break;
case WM_MBUTTONDBLCLK:
result = DispatchMouseEvent(NS_MOUSE_MIDDLE_BUTTON_DOWN);
1998-04-13 20:24:54 +00:00
break;
case WM_RBUTTONDOWN:
{
result = DispatchMouseEvent(NS_MOUSE_RIGHT_BUTTON_DOWN);
} break;
1998-04-13 20:24:54 +00:00
case WM_RBUTTONUP:
result = DispatchMouseEvent(NS_MOUSE_RIGHT_BUTTON_UP);
break;
case WM_RBUTTONDBLCLK:
result = DispatchMouseEvent(NS_MOUSE_RIGHT_DOUBLECLICK);
1998-04-13 20:24:54 +00:00
break;
case WM_HSCROLL:
case WM_VSCROLL:
1998-04-13 20:24:54 +00:00
// 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:
1998-04-13 20:24:54 +00:00
case WM_CTLCOLOREDIT:
case WM_CTLCOLORBTN:
//case WM_CTLCOLORSCROLLBAR: //XXX causes a the scrollbar to be drawn incorrectly
1998-04-13 20:24:54 +00:00
case WM_CTLCOLORSTATIC:
if (lParam) {
nsWindow* control = (nsWindow*)::GetWindowLong((HWND)lParam, GWL_USERDATA);
if (control) {
control->SetUpForPaint((HDC)wParam);
1998-04-13 20:24:54 +00:00
*aRetValue = (LPARAM)control->OnControlColor();
}
1998-04-13 20:24:54 +00:00
}
result = PR_TRUE;
break;
1999-11-13 05:16:33 +00:00
case WM_ACTIVATE:
if (mEventCallback) {
PRInt32 fActive = LOWORD(wParam);
if(WA_INACTIVE == fActive) {
gJustGotDeactivate = PR_TRUE;
result = DispatchFocus(NS_DEACTIVATE);
} 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:
1999-11-13 05:16:33 +00:00
if(gJustGotActivate) {
result = DispatchFocus(NS_ACTIVATE);
gJustGotActivate = PR_FALSE;
} else {
1998-04-13 20:24:54 +00:00
result = DispatchFocus(NS_GOTFOCUS);
1999-11-13 05:16:33 +00:00
}
1998-04-13 20:24:54 +00:00
break;
case WM_KILLFOCUS:
1999-11-13 05:16:33 +00:00
if(gJustGotDeactivate) {
result = DispatchFocus(NS_DEACTIVATE);
gJustGotDeactivate = PR_FALSE;
} else {
1998-04-13 20:24:54 +00:00
result = DispatchFocus(NS_LOSTFOCUS);
1999-11-13 05:16:33 +00:00
}
break;
1998-04-13 20:24:54 +00:00
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);
1998-06-19 02:46:25 +00:00
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)
1998-06-19 02:46:25 +00:00
{
RECT drect;
//getting wider
drect.left = wp->x + mBounds.width;
1998-06-19 02:46:25 +00:00
drect.top = wp->y;
drect.right = drect.left + (newWidth - mBounds.width);
1998-06-19 02:46:25 +00:00
drect.bottom = drect.top + newHeight;
// ::InvalidateRect(mWnd, NULL, FALSE);
1998-06-19 02:46:25 +00:00
// ::InvalidateRect(mWnd, &drect, FALSE);
::RedrawWindow(mWnd, &drect, NULL,
RDW_INVALIDATE | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_ERASENOW | RDW_ALLCHILDREN);
}
//if (newHeight != mBounds.height)
1998-06-19 02:46:25 +00:00
{
RECT drect;
//getting taller
drect.left = wp->x;
drect.top = wp->y + mBounds.height;
1998-06-19 02:46:25 +00:00
drect.right = drect.left + newWidth;
drect.bottom = drect.top + (newHeight - mBounds.height);
1998-06-19 02:46:25 +00:00
// ::InvalidateRect(mWnd, NULL, FALSE);
1998-06-19 02:46:25 +00:00
// ::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);
}
1998-04-13 20:24:54 +00:00
break;
}
case WM_MENUSELECT:
if (mMenuBar) {
MenuHasBeenSelected((HMENU)lParam, (UINT)LOWORD(wParam), (UINT)HIWORD(wParam), (UINT) LOWORD(wParam));
}
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);
}
break;
1998-04-13 20:24:54 +00:00
case WM_PALETTECHANGED:
if ((HWND)wParam == mWnd) {
// We caused the WM_PALETTECHANGED message so avoid realizing
// another foreground palette
result = PR_TRUE;
break;
1998-04-13 20:24:54 +00:00
}
// fall thru...
case WM_QUERYNEWPALETTE:
mContext->GetPaletteInfo(palInfo);
if (palInfo.isPaletteDevice && palInfo.palette) {
1998-04-13 20:24:54 +00:00
HDC hDC = ::GetDC(mWnd);
// XXX Setting this to TRUE to stop it hanging
// it should be FALSE
//HPALETTE hOldPal = ::SelectPalette(hDC, (HPALETTE)palInfo.palette, FALSE);
HPALETTE hOldPal = ::SelectPalette(hDC, (HPALETTE)palInfo.palette, TRUE);
1998-04-13 20:24:54 +00:00
// Realize the drawing palette
1998-04-13 20:24:54 +00:00
int i = ::RealizePalette(hDC);
1998-08-19 05:06:59 +00:00
// Did any of our colors change?
if (i > 0) {
// Yes, so repaint
::InvalidateRect(mWnd, (LPRECT)NULL, TRUE);
1998-04-13 20:24:54 +00:00
}
::SelectPalette(hDC, hOldPal, TRUE);
::RealizePalette(hDC);
1998-04-13 20:24:54 +00:00
::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;
1999-03-23 21:26:20 +00:00
case WM_DESTROYCLIPBOARD: {
nsIClipboard* clipboard;
nsresult rv = nsServiceManager::GetService(kCClipboardCID,
nsCOMTypeInfo<nsIClipboard>::GetIID(),
1999-03-23 21:26:20 +00:00
(nsISupports **)&clipboard);
clipboard->EmptyClipboard();
1999-04-23 14:30:51 +00:00
nsServiceManager::ReleaseService(kCClipboardCID, clipboard);
1999-03-23 21:26:20 +00:00
} break;
1998-04-13 20:24:54 +00:00
}
//*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;
}
1998-04-13 20:24:54 +00:00
}
//-------------------------------------------------------------------------
//
// return the window class name and initialize the class if needed
//
//-------------------------------------------------------------------------
LPCTSTR nsWindow::WindowClass()
{
1998-05-05 19:58:27 +00:00
const LPCTSTR className = "NetscapeWindowClass";
1998-04-13 20:24:54 +00:00
if (!nsWindow::sIsRegistered) {
WNDCLASS wc;
1998-06-19 02:46:25 +00:00
// wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
1998-06-02 05:27:08 +00:00
wc.style = CS_DBLCLKS;
1998-04-13 20:24:54 +00:00
wc.lpfnWndProc = ::DefWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = nsToolkit::mDllInstance;
wc.hIcon = ::LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = NULL;
wc.hbrBackground = mBrush;
1998-04-13 20:24:54 +00:00
wc.lpszMenuName = NULL;
1998-05-05 19:58:27 +00:00
wc.lpszClassName = className;
1998-04-13 20:24:54 +00:00
nsWindow::sIsRegistered = ::RegisterClass(&wc);
}
1998-05-05 19:58:27 +00:00
return className;
1998-04-13 20:24:54 +00:00
}
//-------------------------------------------------------------------------
//
// return nsWindow styles
//
//-------------------------------------------------------------------------
DWORD nsWindow::WindowStyle()
{
return WS_OVERLAPPEDWINDOW;
1998-04-13 20:24:54 +00:00
}
//-------------------------------------------------------------------------
//
// return nsWindow extended styles
//
//-------------------------------------------------------------------------
DWORD nsWindow::WindowExStyle()
{
return WS_EX_WINDOWEDGE;
1998-04-13 20:24:54 +00:00
}
// -----------------------------------------------------------------------
//
// Subclass (or remove the subclass from) this component's nsWindow
//
// -----------------------------------------------------------------------
void nsWindow::SubclassWindow(BOOL bState)
{
if (NULL != mWnd) {
1998-04-13 20:24:54 +00:00
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);
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mPrevWndProc = NULL;
}
}
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}
//-------------------------------------------------------------------------
//
// WM_DESTROY has been called
//
//-------------------------------------------------------------------------
void nsWindow::OnDestroy()
{
mOnDestroyCalled = PR_TRUE;
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SubclassWindow(FALSE);
mWnd = NULL;
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1998-08-06 05:06:24 +00:00
// 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();
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// dispatch the event
if (!mIsDestroying) {
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// 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();
}
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}
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//-------------------------------------------------------------------------
//
// 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;
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}
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//-------------------------------------------------------------------------
//
// 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
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HDC hDC = ::BeginPaint(mWnd, &ps);
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// XXX What is this check doing? If it's trying to check for an empty
// paint rect then use the IsRectEmpty() function...
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if (ps.rcPaint.left || ps.rcPaint.right || ps.rcPaint.top || ps.rcPaint.bottom) {
// call the event callback
if (mEventCallback)
{
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nsPaintEvent event;
InitEvent(event, NS_PAINT);
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nsRect rect(ps.rcPaint.left,
ps.rcPaint.top,
ps.rcPaint.right - ps.rcPaint.left,
ps.rcPaint.bottom - ps.rcPaint.top);
event.rect = &rect;
event.eventStructType = NS_PAINT_EVENT;
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#ifdef NS_DEBUG
debug_DumpPaintEvent(stdout,
this,
&event,
"noname",
(PRInt32) mWnd);
#endif // NS_DEBUG
if (NS_OK == nsComponentManager::CreateInstance(kRenderingContextCID,
nsnull,
nsCOMTypeInfo<nsIRenderingContext>::GetIID(),
(void **)&event.renderingContext))
{
nsIRenderingContextWin *winrc;
if (NS_OK == event.renderingContext->QueryInterface(nsCOMTypeInfo<nsIRenderingContextWin>::GetIID(), (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);
}
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NS_RELEASE(event.renderingContext);
}
else
result = PR_FALSE;
NS_RELEASE(event.widget);
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}
}
::EndPaint(mWnd, &ps);
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#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
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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;
}
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return PR_FALSE;
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}
1998-04-17 00:16:11 +00:00
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//-------------------------------------------------------------------------
//
// Deal with all sort of mouse event
//
//-------------------------------------------------------------------------
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PRBool nsWindow::DispatchMouseEvent(PRUint32 aEventType, nsPoint* aPoint)
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{
PRBool result = PR_FALSE;
if (nsnull == mEventCallback && nsnull == mMouseListener) {
return result;
}
1998-05-08 14:54:09 +00:00
nsMouseEvent event;
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InitEvent(event, aEventType, aPoint);
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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;
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//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;
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// call the event callback
if (nsnull != mEventCallback) {
result = DispatchWindowEvent(&event);
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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();
}
}
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nsRect rect;
GetBounds(rect);
rect.x = 0;
rect.y = 0;
if (rect.Contains(event.point.x, event.point.y)) {
1998-05-29 22:44:13 +00:00
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);
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}
}
}
} else if (aEventType == NS_MOUSE_EXIT) {
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if (gCurrentWindow == this) {
gCurrentWindow = nsnull;
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}
}
NS_RELEASE(event.widget);
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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)) {
1998-05-29 22:44:13 +00:00
if (gCurrentWindow == NULL || gCurrentWindow != this) {
gCurrentWindow = this;
1998-04-13 20:24:54 +00:00
}
} else {
//printf("Mouse exit");
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}
} 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);
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return result;
}
//-------------------------------------------------------------------------
//
// Deal with focus messages
//
//-------------------------------------------------------------------------
PRBool nsWindow::DispatchFocus(PRUint32 aEventType)
{
1999-07-27 20:50:05 +00:00
// 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;
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}
1999-07-27 20:50:05 +00:00
event.nativeMsg = (void *)&pluginEvent;
PRBool result = DispatchWindowEvent(&event);
NS_RELEASE(event.widget);
return result;
}
return PR_FALSE;
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}
//-------------------------------------------------------------------------
//
// 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()
{
1999-07-27 04:27:17 +00:00
// return WS_CHILD | WS_CLIPCHILDREN | GetBorderStyle(mBorderStyle);
return WS_CHILD | WS_CLIPCHILDREN | GetWindowType(mWindowType);
1998-04-13 20:24:54 +00:00
}
//-------------------------------------------------------------------------
//
// 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);
}
1998-04-13 20:24:54 +00:00
1999-07-27 04:27:17 +00:00
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)
{
1999-07-27 04:56:48 +00:00
return 0;
1999-07-27 04:27:17 +00:00
/*
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);
}
1999-07-27 04:27:17 +00:00
*/
}
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::SetMenuBar(nsIMenuBar * aMenuBar)
{
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mMenuBar = aMenuBar;
NS_ADDREF(mMenuBar);
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return ShowMenuBar(PR_TRUE);
}
1999-02-17 14:30:47 +00:00
1999-06-04 04:00:30 +00:00
NS_METHOD nsWindow::ShowMenuBar(PRBool aShow)
{
nsresult rv = NS_ERROR_FAILURE;
1998-09-29 18:32:37 +00:00
1999-06-04 04:00:30 +00:00
if (aShow) {
if (mMenuBar) {
HMENU nativeMenuHandle;
void *voidData;
mMenuBar->GetNativeData(voidData);
nativeMenuHandle = (HMENU)voidData;
if (nativeMenuHandle) {
::SetMenu(mWnd, nativeMenuHandle);
rv = NS_OK;
}
}
} else {
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::SetMenu(mWnd, 0);
rv = NS_OK;
}
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return rv;
}
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;
printf("Candidate window position: x=%d, y=%d\n",candForm.ptCurrentPos.x,candForm.ptCurrentPos.y);
::ImmSetCandidateWindow(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;
#ifdef DEBUG_IME2
printf("Candidate window position: x=%d, y=%d\n",candForm.ptCurrentPos.x,candForm.ptCurrentPos.y);
#endif
::ImmSetCandidateWindow(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;
1999-07-19 21:17:21 +00:00
(*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<mIMECompClauseStringLength;
rangePointer++)
{
long current = mIMECompClauseString[rangePointer];
NS_ASSERTION(current <= maxlen, "wrong offset");
if(current > 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
hIMEContext = ::ImmGetContext(mWnd);
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 = ::ImmGetCompositionString(hIMEContext,
GCS_RESULTSTR,NULL,0);
mIMECompString->SetCapacity(compStrLen+1);
compStrLen = ::ImmGetCompositionString(hIMEContext,GCS_RESULTSTR,
(char*)mIMECompString->GetBuffer(),
mIMECompString->mCapacity);
((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 = ::ImmGetCompositionString(hIMEContext,
GCS_COMPATTR,NULL,0);
if (attrStrLen>mIMEAttributeStringSize) {
if (mIMEAttributeString!=NULL)
delete [] mIMEAttributeString;
mIMEAttributeString = new PRUint8[attrStrLen+32];
mIMEAttributeStringSize = attrStrLen+32;
}
attrStrLen = ::ImmGetCompositionString(hIMEContext,
GCS_COMPATTR,
mIMEAttributeString,
mIMEAttributeStringSize);
mIMEAttributeStringLength = attrStrLen;
//--------------------------------------------------------
// 2. Get GCS_COMPCLAUSE
//--------------------------------------------------------
long compClauseLen = ::ImmGetCompositionString(hIMEContext,
GCS_COMPCLAUSE,NULL,0) / sizeof(PRUint32);
if (compClauseLen>mIMECompClauseStringSize) {
if (mIMECompClauseString!=NULL)
delete [] mIMECompClauseString;
mIMECompClauseString = new PRUint32 [compClauseLen+32];
mIMECompClauseStringSize = compClauseLen+32;
}
long compClauseLen2 = ::ImmGetCompositionString(hIMEContext,
GCS_COMPCLAUSE,
mIMECompClauseString,
mIMECompClauseStringSize * sizeof(PRUint32))
/ sizeof(PRUint32);
NS_ASSERTION(compClauseLen2 == compClauseLen, "strange result");
if(compClauseLen > compClauseLen2)
compClauseLen = compClauseLen2;
mIMECompClauseStringLength = compClauseLen;
//--------------------------------------------------------
// 3. Get GCS_CURSOPOS
//--------------------------------------------------------
mIMECursorPosition = ::ImmGetCompositionString(hIMEContext,
GCS_CURSORPOS,NULL,0);
//--------------------------------------------------------
// 4. Get GCS_COMPSTR
//--------------------------------------------------------
long compStrLen = ::ImmGetCompositionString(hIMEContext,
GCS_COMPSTR,NULL,0);
mIMECompString->SetCapacity(compStrLen+1);
compStrLen = ::ImmGetCompositionString(hIMEContext,
GCS_COMPSTR,
(char*)mIMECompString->GetBuffer(),
mIMECompString->mCapacity);
((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;kk<mIMECompClauseStringLength;kk++)
{
NS_ASSERTION(mIMECompClauseString[kk] <= mIMECompString->mLength, "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;
}
::ImmReleaseContext(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;
hIMEContext = ::ImmGetContext(mWnd);
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();
::ImmReleaseContext(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;
};
#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;
hIMEContext = ::ImmGetContext(mWnd);
if (hIMEContext==NULL)
return PR_TRUE;
HandleStartComposition(hIMEContext);
::ImmReleaseContext(mWnd,hIMEContext);
return PR_TRUE;
}
//==========================================================================
NS_IMETHODIMP nsWindow::ResetInputState()
{
#ifdef DEBUG_KBSTATE
printf("ResetInputState\n");
#endif
//if(mIMEIsComposing) {
HIMC hIMC = ::ImmGetContext(mWnd);
if(hIMC) {
BOOL ret = ::ImmNotifyIME(hIMC,NI_COMPOSITIONSTR,CPS_COMPLETE,NULL);
//NS_ASSERTION(ret, "ImmNotify failed");
::ImmReleaseContext(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 = ::ImmGetContext(mWnd);
if(hIMC) {
DWORD st1,st2;
BOOL ret = ::ImmGetConversionStatus(hIMC, &st1, &st2);
NS_ASSERTION(ret, "ImmGetConversionStatus failed");
if(ret) {
oState = st1;
ret = ::ImmSetConversionStatus(hIMC, IME_CMODE_NOCONVERSION, st2);
NS_ASSERTION(ret, "ImmSetConversionStatus failed");
}
::ImmReleaseContext(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 = ::ImmGetContext(mWnd);
if(hIMC) {
DWORD st1,st2;
BOOL ret = ::ImmGetConversionStatus(hIMC, &st1, &st2);
NS_ASSERTION(ret, "ImmGetConversionStatus failed");
if(ret) {
ret = ::ImmSetConversionStatus(hIMC, (DWORD)aState, st2);
NS_ASSERTION(ret, "ImmSetConversionStatus failed");
}
::ImmReleaseContext(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 nsFlashTimerFunc( 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::Flash() {
// 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.
1999-12-11 00:35:10 +00:00
SetTimer( mWnd, NS_FLASH_TIMER_ID, GetCaretBlinkTime(), (TIMERPROC)nsFlashTimerFunc );
}
return NS_OK;
}