gecko-dev/webshell/embed/xlib/xt/nsEmbedXlibIntoXt.cpp

382 строки
11 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*
* Contributor(s):
*/
// XXX Milind:
#include <stdio.h>
#include <errno.h>
#include <error.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <X11/StringDefs.h>
#include "EmbedMozilla.h"
#include "nsIServiceManager.h"
#include "nsIEventQueueService.h"
#include "nsIXlibWindowService.h"
#include "nsIUnixToolkitService.h"
#include "nsIWebShell.h"
#include "nsRepository.h"
#include "nsIPref.h"
#include "xlibrgb.h"
//-----------------------------------------------------------------------------
static NS_DEFINE_IID(kIEventQueueServiceIID, NS_IEVENTQUEUESERVICE_IID);
static NS_DEFINE_IID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
static NS_DEFINE_IID(kWindowServiceCID, NS_XLIB_WINDOW_SERVICE_CID);
static NS_DEFINE_IID(kWindowServiceIID, NS_XLIB_WINDOW_SERVICE_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static NS_DEFINE_IID(kWebShellCID, NS_WEB_SHELL_CID);
static NS_DEFINE_IID(kIPrefIID, NS_IPREF_IID);
static NS_DEFINE_CID(kPrefCID, NS_PREF_CID);
static NS_DEFINE_CID(kCUnixToolkitServiceCID, NS_UNIX_TOOLKIT_SERVICE_CID);
//-----------------------------------------------------------------------------
extern "C" void NS_SetupRegistry();
static void resize_callback( Widget w,
XtPointer data,
XEvent *xevent,
Boolean *toContinue );
static void window_event_handler( Widget w,
XtPointer data,
XEvent *xevent,
Boolean *toContinue );
static void event_processor_callback( XtPointer client_data,
int *fd,
XtInputId *id );
//-----------------------------------------------------------------------------
static nsXlibEventDispatcher gsEventDispatcher = nsnull;
static nsIXlibWindowService * gsWindowService = nsnull;
static nsIWebShell * sgWebShell = nsnull;
static nsIPref * sgPrefs = nsnull;
// XXX Milind: the Qt socket notifier which processes pending events
static Widget gTopLevelWidget = 0;
static Window gWebShellWindow = 0;
static Widget gWebShellWidget = 0;
static const long lEVENT_MASK =
ButtonPressMask | ButtonReleaseMask |
ButtonMotionMask | PointerMotionMask |
EnterWindowMask | LeaveWindowMask |
KeyPressMask | KeyReleaseMask |
ExposureMask;// | ResizeRedirectMask;
// XXX Milind:
Display *gDisplay = NULL;
int gScreenNumber = 0;
Window gTopLevelWindow = 0;
//-----------------------------------------------------------------------------
static void WindowCreateCallback( PRUint32 aID )
{
// XXX Milind:
printf( "window created: %u\n", aID );
Widget parentwidget = gTopLevelWidget;
Widget widget = XtCreateEmbedMozilla( parentwidget,
( Window )aID,
"XtEmbedMozilla",
NULL,
0
);
XtRealizeWidget( widget );
printf( "widget(%p) of window(%ld)\n\n", widget, (Window)aID );
XtAddEventHandler( widget,
( ExposureMask |
ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | ButtonMotionMask |
EnterWindowMask | LeaveWindowMask |
KeyPressMask | KeyReleaseMask
),
False,
window_event_handler,
gsEventDispatcher
);
}
static void WindowDestroyCallback(PRUint32 aID)
{
printf("window destroyed\n");
}
// XXX MAIN
int main(int argc, char **argv)
{
XtAppContext app;
gTopLevelWidget = XtAppInitialize( &app, // app context
"embed_xlib_into_qt", // app class name
0, // option list
0, // number of options
&argc, // argc
argv, // argv
0, // fallback resrces
0, // arg list
0 ); // number of args
gDisplay = XtDisplay( gTopLevelWidget );
gScreenNumber = DefaultScreen( gDisplay );
printf("TOP LEVEL WIDGET: %p\n", gTopLevelWidget);
// init xlibrgb
xlib_rgb_init( gDisplay, DefaultScreenOfDisplay( gDisplay ) );
XtVaSetValues( gTopLevelWidget,
XtNwidth, 500,
XtNheight, 500,
NULL);
printf("realizing TOP LEVEL WIDGET...\n");
XtRealizeWidget( gTopLevelWidget );
printf("done.\n");
gTopLevelWindow = XtWindow( gTopLevelWidget );
printf("Top Level Window = %ld\n", gTopLevelWindow);
//////////////////////////////////////////////////////////////////////
//
// Toolkit Service setup
//
// Note: This must happend before NS_SetupRegistry() is called so
// that the toolkit specific xpcom components can be registered
// as needed.
//
//////////////////////////////////////////////////////////////////////
nsresult rv;
nsIUnixToolkitService * unixToolkitService = nsnull;
rv = nsComponentManager::CreateInstance(kCUnixToolkitServiceCID,
nsnull,
nsIUnixToolkitService::GetIID(),
(void **) &unixToolkitService);
NS_ASSERTION(NS_SUCCEEDED(rv),"Cannot obtain unix toolkit service.");
if (!NS_SUCCEEDED(rv))
return 1;
// Force the toolkit into "xlib" mode regardless of MOZ_TOOLKIT
unixToolkitService->SetToolkitName("xlib");
NS_RELEASE(unixToolkitService);
//////////////////////////////////////////////////////////////////////
// End toolkit service setup
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//
// Setup the registry
//
//////////////////////////////////////////////////////////////////////
NS_SetupRegistry();
printf("Creating event queue.\n");
nsIEventQueueService * eventQueueService = nsnull;
nsIEventQueue * eventQueue = nsnull;
// Create the Event Queue for the UI thread...
rv = nsServiceManager::GetService(kEventQueueServiceCID,
kIEventQueueServiceIID,
(nsISupports **)&eventQueueService);
NS_ASSERTION(NS_SUCCEEDED(rv),"Could not obtain the event queue service.");
if (!NS_SUCCEEDED(rv))
return 1;
rv = eventQueueService->CreateThreadEventQueue();
NS_ASSERTION(NS_SUCCEEDED(rv),"Could not create the event queue for the the thread.");
if (!NS_SUCCEEDED(rv))
return 1;
rv = eventQueueService->GetThreadEventQueue(PR_GetCurrentThread(),
&eventQueue);
NS_ASSERTION(NS_SUCCEEDED(rv),"Could not get the newly created thread event queue.\n");
if (!NS_SUCCEEDED(rv))
return 1;
NS_RELEASE(eventQueueService);
rv = nsServiceManager::GetService(kWindowServiceCID,
kWindowServiceIID,
(nsISupports **)&gsWindowService);
NS_ASSERTION(NS_SUCCEEDED(rv),"Couldn't obtain window service\n");
if (!NS_SUCCEEDED(rv))
return 1;
gsWindowService->SetWindowCreateCallback(WindowCreateCallback);
gsWindowService->SetWindowDestroyCallback(WindowDestroyCallback);
// XXX Milind:
XtAppAddInput( app,
eventQueue->GetEventQueueSelectFD(),
( XtInputId* )XtInputReadMask,
event_processor_callback,
eventQueue );
rv = nsRepository::CreateInstance(kWebShellCID,
nsnull,
kIWebShellIID,
(void**)&sgWebShell);
NS_ASSERTION(NS_SUCCEEDED(rv),"Cannot create WebShell.\n");
if (!NS_SUCCEEDED(rv))
return 1;
sgWebShell->Init( ( nsNativeWidget )gTopLevelWindow, 0, 0, 500, 500);
gsWindowService->GetEventDispatcher(&gsEventDispatcher);
rv = nsComponentManager::CreateInstance(kPrefCID,
NULL,
kIPrefIID,
(void **) &sgPrefs);
if (NS_OK != rv) {
printf("failed to get prefs instance\n");
return rv;
}
sgPrefs->StartUp();
sgPrefs->ReadUserPrefs();
sgWebShell->SetPrefs(sgPrefs);
printf("showing webshell...\n");
sgWebShell->Show();
char *url = "http://www.mozilla.org/unix/xlib.html";
nsString URL(url);
PRUnichar *u_url = URL.ToNewUnicode();
sgWebShell->LoadURL(u_url);
XtPopup( gTopLevelWidget, XtGrabNone );
XtAddEventHandler( gTopLevelWidget,
StructureNotifyMask,
False,
resize_callback,
sgWebShell );
XtAppMainLoop( app );
}
static void resize_callback( Widget w,
XtPointer data,
XEvent *xevent,
Boolean *toContinue )
{
static int x = 0, y = 0, width = 0, height = 0, changed = 0;
if ( xevent->type == ConfigureNotify )
{
XConfigureEvent &xconfigure = xevent->xconfigure;
XResizeRequestEvent &xresize = xevent->xresizerequest;
nsIWebShell *webshell = ( nsIWebShell* )data;
if ( xevent->type == ConfigureNotify )
{
//x = x != xconfigure.x ? changed = 1, xconfigure.x : x;
//y = y != xconfigure.y ? changed = 1, xconfigure.y : y;
width = width != xconfigure.width ? changed = 1, xconfigure.width : width;
height = height != xconfigure.height ? changed = 1, xconfigure.height : height;
}
else
{
//x = x != xresize.x ? changed = 1, xresize.x : x;
//y = y != xresize.y ? changed = 1, xresize.y : y;
width = width != xresize.width ? changed = 1, xresize.width : width;
height = height != xresize.height ? changed = 1, xresize.height : height;
}
if ( changed )
{
printf("RESIZE...%p(%d, %d)\n", w, width, height);
webshell->SetBounds( 0, 0, width, height ); changed = 0;
}
}
//*toContinue = False;
}
// this will pick up size changes in the main window and resize
// the web shell window accordingly
static void window_event_handler( Widget w,
XtPointer data,
XEvent *xevent,
Boolean *toContinue )
{
//printf("window_event_handler...\n");
(*gsEventDispatcher)((nsXlibNativeEvent) xevent);
//*toContinue = True;
}
static void event_processor_callback( XtPointer client_data,
int *fd,
XtInputId *id )
{
printf("event_processor_callback...\n");
nsIEventQueue *eq = ( nsIEventQueue *)client_data;
eq->ProcessPendingEvents();
}