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-rw-r--r--widget/gtkxtbin/gtk2xtbin.c860
-rw-r--r--widget/gtkxtbin/gtk2xtbin.h131
-rw-r--r--widget/gtkxtbin/moz.build19
-rw-r--r--widget/gtkxtbin/xembed.h32
4 files changed, 1042 insertions, 0 deletions
diff --git a/widget/gtkxtbin/gtk2xtbin.c b/widget/gtkxtbin/gtk2xtbin.c
new file mode 100644
index 000000000..189478bad
--- /dev/null
+++ b/widget/gtkxtbin/gtk2xtbin.c
@@ -0,0 +1,860 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set expandtab shiftwidth=2 tabstop=2: */
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * The GtkXtBin widget allows for Xt toolkit code to be used
+ * inside a GTK application.
+ */
+
+#include "xembed.h"
+#include "gtk2xtbin.h"
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+#include <glib.h>
+#include <assert.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Xlib/Xt stuff */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Shell.h>
+#include <X11/Intrinsic.h>
+#include <X11/StringDefs.h>
+
+/* uncomment this if you want debugging information about widget
+ creation and destruction */
+#undef DEBUG_XTBIN
+
+#define XTBIN_MAX_EVENTS 30
+
+static void gtk_xtbin_class_init (GtkXtBinClass *klass);
+static void gtk_xtbin_init (GtkXtBin *xtbin);
+static void gtk_xtbin_realize (GtkWidget *widget);
+static void gtk_xtbin_unrealize (GtkWidget *widget);
+static void gtk_xtbin_destroy (GtkObject *object);
+
+/* Xt aware XEmbed */
+static void xt_client_handle_xembed_message (Widget w,
+ XtPointer client_data,
+ XEvent *event);
+static void xt_add_focus_listener( Widget w, XtPointer user_data );
+static void xt_add_focus_listener_tree ( Widget treeroot, XtPointer user_data);
+static void xt_remove_focus_listener(Widget w, XtPointer user_data);
+static void xt_client_event_handler (Widget w, XtPointer client_data, XEvent *event);
+static void xt_client_focus_listener (Widget w, XtPointer user_data, XEvent *event);
+static void xt_client_set_info (Widget xtplug, unsigned long flags);
+static void send_xembed_message (XtClient *xtclient,
+ long message,
+ long detail,
+ long data1,
+ long data2,
+ long time);
+static int error_handler (Display *display,
+ XErrorEvent *error);
+/* For error trap of XEmbed */
+static void trap_errors(void);
+static int untrap_error(void);
+static int (*old_error_handler) (Display *, XErrorEvent *);
+static int trapped_error_code = 0;
+
+static GtkWidgetClass *parent_class = NULL;
+
+static Display *xtdisplay = NULL;
+static String *fallback = NULL;
+static gboolean xt_is_initialized = FALSE;
+static gint num_widgets = 0;
+
+static GPollFD xt_event_poll_fd;
+static gint xt_polling_timer_id = 0;
+static guint tag = 0;
+
+static gboolean
+xt_event_prepare (GSource* source_data,
+ gint *timeout)
+{
+ int mask;
+
+ mask = XPending(xtdisplay);
+
+ return (gboolean)mask;
+}
+
+static gboolean
+xt_event_check (GSource* source_data)
+{
+ if (xt_event_poll_fd.revents & G_IO_IN) {
+ int mask;
+ mask = XPending(xtdisplay);
+ return (gboolean)mask;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+xt_event_dispatch (GSource* source_data,
+ GSourceFunc call_back,
+ gpointer user_data)
+{
+ XtAppContext ac;
+ int i = 0;
+
+ ac = XtDisplayToApplicationContext(xtdisplay);
+
+ /* Process only real X traffic here. We only look for data on the
+ * pipe, limit it to XTBIN_MAX_EVENTS and only call
+ * XtAppProcessEvent so that it will look for X events. There's no
+ * timer processing here since we already have a timer callback that
+ * does it. */
+ for (i=0; i < XTBIN_MAX_EVENTS && XPending(xtdisplay); i++) {
+ XtAppProcessEvent(ac, XtIMXEvent);
+ }
+
+ return TRUE;
+}
+
+static GSourceFuncs xt_event_funcs = {
+ xt_event_prepare,
+ xt_event_check,
+ xt_event_dispatch,
+ NULL,
+ (GSourceFunc)NULL,
+ (GSourceDummyMarshal)NULL
+};
+
+static gboolean
+xt_event_polling_timer_callback(gpointer user_data)
+{
+ Display * display;
+ XtAppContext ac;
+ int eventsToProcess = 20;
+
+ display = (Display *)user_data;
+ ac = XtDisplayToApplicationContext(display);
+
+ /* We need to process many Xt events here. If we just process
+ one event we might starve one or more Xt consumers. On the other hand
+ this could hang the whole app if Xt events come pouring in. So process
+ up to 20 Xt events right now and save the rest for later. This is a hack,
+ but it oughta work. We *really* should have out of process plugins.
+ */
+ while (eventsToProcess-- && XtAppPending(ac))
+ XtAppProcessEvent(ac, XtIMAll);
+ return TRUE;
+}
+
+GType
+gtk_xtbin_get_type (void)
+{
+ static GType xtbin_type = 0;
+
+ if (!xtbin_type) {
+ static const GTypeInfo xtbin_info =
+ {
+ sizeof (GtkXtBinClass), /* class_size */
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gtk_xtbin_class_init, /* class_init */
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (GtkXtBin), /* instance_size */
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gtk_xtbin_init, /* instance_init */
+ NULL /* value_table */
+ };
+ xtbin_type = g_type_register_static(GTK_TYPE_SOCKET, "GtkXtBin",
+ &xtbin_info, 0);
+ }
+ return xtbin_type;
+}
+
+static void
+gtk_xtbin_class_init (GtkXtBinClass *klass)
+{
+ GtkWidgetClass *widget_class;
+ GtkObjectClass *object_class;
+
+ parent_class = g_type_class_peek_parent(klass);
+
+ widget_class = GTK_WIDGET_CLASS (klass);
+ widget_class->realize = gtk_xtbin_realize;
+ widget_class->unrealize = gtk_xtbin_unrealize;
+
+ object_class = GTK_OBJECT_CLASS (klass);
+ object_class->destroy = gtk_xtbin_destroy;
+}
+
+static void
+gtk_xtbin_init (GtkXtBin *xtbin)
+{
+ xtbin->xtdisplay = NULL;
+ xtbin->parent_window = NULL;
+ xtbin->xtwindow = 0;
+}
+
+static void
+gtk_xtbin_realize (GtkWidget *widget)
+{
+ GtkXtBin *xtbin;
+ GtkAllocation allocation = { 0, 0, 200, 200 };
+ gint x, y, w, h, d; /* geometry of window */
+
+#ifdef DEBUG_XTBIN
+ printf("gtk_xtbin_realize()\n");
+#endif
+
+ g_return_if_fail (GTK_IS_XTBIN (widget));
+
+ xtbin = GTK_XTBIN (widget);
+
+ /* caculate the allocation before realize */
+ gdk_window_get_geometry(xtbin->parent_window, &x, &y, &w, &h, &d);
+ allocation.width = w;
+ allocation.height = h;
+ gtk_widget_size_allocate (widget, &allocation);
+
+#ifdef DEBUG_XTBIN
+ printf("initial allocation %d %d %d %d\n", x, y, w, h);
+#endif
+
+ /* use GtkSocket's realize */
+ (*GTK_WIDGET_CLASS(parent_class)->realize)(widget);
+
+ /* create the Xt client widget */
+ xt_client_create(&(xtbin->xtclient),
+ gtk_socket_get_id(GTK_SOCKET(xtbin)),
+ h, w);
+ xtbin->xtwindow = XtWindow(xtbin->xtclient.child_widget);
+
+ gdk_flush();
+
+ /* now that we have created the xt client, add it to the socket. */
+ gtk_socket_add_id(GTK_SOCKET(widget), xtbin->xtwindow);
+}
+
+
+
+GtkWidget*
+gtk_xtbin_new (GdkWindow *parent_window, String * f)
+{
+ GtkXtBin *xtbin;
+ gpointer user_data;
+
+ assert(parent_window != NULL);
+ xtbin = g_object_new (GTK_TYPE_XTBIN, NULL);
+
+ if (!xtbin)
+ return (GtkWidget*)NULL;
+
+ if (f)
+ fallback = f;
+
+ /* Initialize the Xt toolkit */
+ xtbin->parent_window = parent_window;
+
+ xt_client_init(&(xtbin->xtclient),
+ GDK_VISUAL_XVISUAL(gdk_rgb_get_visual()),
+ GDK_COLORMAP_XCOLORMAP(gdk_rgb_get_colormap()),
+ gdk_rgb_get_visual()->depth);
+
+ if (!xtbin->xtclient.xtdisplay) {
+ /* If XtOpenDisplay failed, we can't go any further.
+ * Bail out.
+ */
+#ifdef DEBUG_XTBIN
+ printf("gtk_xtbin_init: XtOpenDisplay() returned NULL.\n");
+#endif
+ g_free (xtbin);
+ return (GtkWidget *)NULL;
+ }
+
+ /* Launch X event loop */
+ xt_client_xloop_create();
+
+ /* Build the hierachy */
+ xtbin->xtdisplay = xtbin->xtclient.xtdisplay;
+ gtk_widget_set_parent_window(GTK_WIDGET(xtbin), parent_window);
+ gdk_window_get_user_data(xtbin->parent_window, &user_data);
+ if (user_data)
+ gtk_container_add(GTK_CONTAINER(user_data), GTK_WIDGET(xtbin));
+
+ /* This GtkSocket has a visible window, but the Xt plug will cover this
+ * window. Normally GtkSockets let the X server paint their background and
+ * this would happen immediately (before the plug is mapped). Setting the
+ * background to None prevents the server from painting this window,
+ * avoiding flicker.
+ */
+ gtk_widget_realize(GTK_WIDGET(xtbin));
+ gdk_window_set_back_pixmap(GTK_WIDGET(xtbin)->window, NULL, FALSE);
+
+ return GTK_WIDGET (xtbin);
+}
+
+static void
+gtk_xtbin_unrealize (GtkWidget *object)
+{
+ GtkXtBin *xtbin;
+ GtkWidget *widget;
+
+#ifdef DEBUG_XTBIN
+ printf("gtk_xtbin_unrealize()\n");
+#endif
+
+ /* gtk_object_destroy() will already hold a refcount on object
+ */
+ xtbin = GTK_XTBIN(object);
+ widget = GTK_WIDGET(object);
+
+ GTK_WIDGET_UNSET_FLAGS (widget, GTK_VISIBLE);
+ if (GTK_WIDGET_REALIZED (widget)) {
+ xt_client_unrealize(&(xtbin->xtclient));
+ }
+
+ (*GTK_WIDGET_CLASS (parent_class)->unrealize)(widget);
+}
+
+static void
+gtk_xtbin_destroy (GtkObject *object)
+{
+ GtkXtBin *xtbin;
+
+#ifdef DEBUG_XTBIN
+ printf("gtk_xtbin_destroy()\n");
+#endif
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GTK_IS_XTBIN (object));
+
+ xtbin = GTK_XTBIN (object);
+
+ if(xtbin->xtwindow) {
+ /* remove the event handler */
+ xt_client_destroy(&(xtbin->xtclient));
+ xtbin->xtwindow = 0;
+
+ /* stop X event loop */
+ xt_client_xloop_destroy();
+ }
+
+ GTK_OBJECT_CLASS(parent_class)->destroy(object);
+}
+
+/*
+* Following is the implementation of Xt XEmbedded for client side
+*/
+
+/* Initial Xt plugin */
+void
+xt_client_init( XtClient * xtclient,
+ Visual *xtvisual,
+ Colormap xtcolormap,
+ int xtdepth)
+{
+ XtAppContext app_context;
+ char *mArgv[1];
+ int mArgc = 0;
+
+ /*
+ * Initialize Xt stuff
+ */
+ xtclient->top_widget = NULL;
+ xtclient->child_widget = NULL;
+ xtclient->xtdisplay = NULL;
+ xtclient->xtvisual = NULL;
+ xtclient->xtcolormap = 0;
+ xtclient->xtdepth = 0;
+
+ if (!xt_is_initialized) {
+#ifdef DEBUG_XTBIN
+ printf("starting up Xt stuff\n");
+#endif
+ XtToolkitInitialize();
+ app_context = XtCreateApplicationContext();
+ if (fallback)
+ XtAppSetFallbackResources(app_context, fallback);
+
+ xtdisplay = XtOpenDisplay(app_context, gdk_get_display(), NULL,
+ "Wrapper", NULL, 0, &mArgc, mArgv);
+ if (xtdisplay)
+ xt_is_initialized = TRUE;
+ }
+ xtclient->xtdisplay = xtdisplay;
+ xtclient->xtvisual = xtvisual;
+ xtclient->xtcolormap = xtcolormap;
+ xtclient->xtdepth = xtdepth;
+}
+
+void
+xt_client_xloop_create(void)
+{
+ /* If this is the first running widget, hook this display into the
+ mainloop */
+ if (0 == num_widgets) {
+ int cnumber;
+ GSource* gs;
+
+ /* Set up xtdisplay in case we're missing one */
+ if (!xtdisplay) {
+ (void)xt_client_get_display();
+ }
+
+ /*
+ * hook Xt event loop into the glib event loop.
+ */
+ /* the assumption is that gtk_init has already been called */
+ gs = g_source_new(&xt_event_funcs, sizeof(GSource));
+ if (!gs) {
+ return;
+ }
+
+ g_source_set_priority(gs, GDK_PRIORITY_EVENTS);
+ g_source_set_can_recurse(gs, TRUE);
+ tag = g_source_attach(gs, (GMainContext*)NULL);
+ g_source_unref(gs);
+#ifdef VMS
+ cnumber = XConnectionNumber(xtdisplay);
+#else
+ cnumber = ConnectionNumber(xtdisplay);
+#endif
+ xt_event_poll_fd.fd = cnumber;
+ xt_event_poll_fd.events = G_IO_IN;
+ xt_event_poll_fd.revents = 0; /* hmm... is this correct? */
+
+ g_main_context_add_poll ((GMainContext*)NULL,
+ &xt_event_poll_fd,
+ G_PRIORITY_LOW);
+ /* add a timer so that we can poll and process Xt timers */
+ xt_polling_timer_id =
+ g_timeout_add(25,
+ (GtkFunction)xt_event_polling_timer_callback,
+ xtdisplay);
+ }
+
+ /* Bump up our usage count */
+ num_widgets++;
+}
+
+void
+xt_client_xloop_destroy(void)
+{
+ num_widgets--; /* reduce our usage count */
+
+ /* If this is the last running widget, remove the Xt display
+ connection from the mainloop */
+ if (0 == num_widgets) {
+#ifdef DEBUG_XTBIN
+ printf("removing the Xt connection from the main loop\n");
+#endif
+ g_main_context_remove_poll((GMainContext*)NULL, &xt_event_poll_fd);
+ g_source_remove(tag);
+
+ g_source_remove(xt_polling_timer_id);
+ xt_polling_timer_id = 0;
+ }
+}
+
+/* Get Xt Client display */
+Display *
+xt_client_get_display(void)
+{
+ if (!xtdisplay) {
+ XtClient tmp;
+ xt_client_init(&tmp,NULL,0,0);
+ }
+ return xtdisplay;
+}
+
+/* Create the Xt client widgets
+* */
+void
+xt_client_create ( XtClient* xtclient ,
+ Window embedderid,
+ int height,
+ int width )
+{
+ int n;
+ Arg args[6];
+ Widget child_widget;
+ Widget top_widget;
+
+#ifdef DEBUG_XTBIN
+ printf("xt_client_create() \n");
+#endif
+ top_widget = XtAppCreateShell("drawingArea", "Wrapper",
+ applicationShellWidgetClass,
+ xtclient->xtdisplay,
+ NULL, 0);
+ xtclient->top_widget = top_widget;
+
+ /* set size of Xt window */
+ n = 0;
+ XtSetArg(args[n], XtNheight, height);n++;
+ XtSetArg(args[n], XtNwidth, width);n++;
+ XtSetValues(top_widget, args, n);
+
+ child_widget = XtVaCreateWidget("form",
+ compositeWidgetClass,
+ top_widget, NULL);
+
+ n = 0;
+ XtSetArg(args[n], XtNheight, height);n++;
+ XtSetArg(args[n], XtNwidth, width);n++;
+ XtSetArg(args[n], XtNvisual, xtclient->xtvisual ); n++;
+ XtSetArg(args[n], XtNdepth, xtclient->xtdepth ); n++;
+ XtSetArg(args[n], XtNcolormap, xtclient->xtcolormap ); n++;
+ XtSetArg(args[n], XtNborderWidth, 0); n++;
+ XtSetValues(child_widget, args, n);
+
+ XSync(xtclient->xtdisplay, FALSE);
+ xtclient->oldwindow = top_widget->core.window;
+ top_widget->core.window = embedderid;
+
+ /* this little trick seems to finish initializing the widget */
+#if XlibSpecificationRelease >= 6
+ XtRegisterDrawable(xtclient->xtdisplay,
+ embedderid,
+ top_widget);
+#else
+ _XtRegisterWindow( embedderid,
+ top_widget);
+#endif
+ XtRealizeWidget(child_widget);
+
+ /* listen to all Xt events */
+ XSelectInput(xtclient->xtdisplay,
+ embedderid,
+ XtBuildEventMask(top_widget));
+ xt_client_set_info (child_widget, 0);
+
+ XtManageChild(child_widget);
+ xtclient->child_widget = child_widget;
+
+ /* set the event handler */
+ XtAddEventHandler(child_widget,
+ StructureNotifyMask | KeyPressMask,
+ TRUE,
+ (XtEventHandler)xt_client_event_handler, xtclient);
+ XtAddEventHandler(child_widget,
+ SubstructureNotifyMask | ButtonReleaseMask,
+ FALSE,
+ (XtEventHandler)xt_client_focus_listener,
+ xtclient);
+ XSync(xtclient->xtdisplay, FALSE);
+}
+
+void
+xt_client_unrealize ( XtClient* xtclient )
+{
+ /* Explicitly destroy the child_widget window because this is actually a
+ child of the socket window. It is not a child of top_widget's window
+ when that is destroyed. */
+ XtUnrealizeWidget(xtclient->child_widget);
+
+#if XlibSpecificationRelease >= 6
+ XtUnregisterDrawable(xtclient->xtdisplay,
+ xtclient->top_widget->core.window);
+#else
+ _XtUnregisterWindow(xtclient->top_widget->core.window,
+ xtclient->top_widget);
+#endif
+
+ /* flush the queue before we returning origin top_widget->core.window
+ or we can get X error since the window is gone */
+ XSync(xtclient->xtdisplay, False);
+
+ xtclient->top_widget->core.window = xtclient->oldwindow;
+ XtUnrealizeWidget(xtclient->top_widget);
+}
+
+void
+xt_client_destroy (XtClient* xtclient)
+{
+ if(xtclient->top_widget) {
+ XtRemoveEventHandler(xtclient->child_widget,
+ StructureNotifyMask | KeyPressMask,
+ TRUE,
+ (XtEventHandler)xt_client_event_handler, xtclient);
+ XtDestroyWidget(xtclient->top_widget);
+ xtclient->top_widget = NULL;
+ }
+}
+
+void
+xt_client_set_info (Widget xtplug, unsigned long flags)
+{
+ unsigned long buffer[2];
+
+ Atom infoAtom = XInternAtom(XtDisplay(xtplug), "_XEMBED_INFO", False);
+
+ buffer[1] = 0; /* Protocol version */
+ buffer[1] = flags;
+
+ XChangeProperty (XtDisplay(xtplug), XtWindow(xtplug),
+ infoAtom, infoAtom, 32,
+ PropModeReplace,
+ (unsigned char *)buffer, 2);
+}
+
+static void
+xt_client_handle_xembed_message(Widget w, XtPointer client_data, XEvent *event)
+{
+ XtClient *xtplug = (XtClient*)client_data;
+ switch (event->xclient.data.l[1])
+ {
+ case XEMBED_EMBEDDED_NOTIFY:
+ break;
+ case XEMBED_WINDOW_ACTIVATE:
+#ifdef DEBUG_XTBIN
+ printf("Xt client get XEMBED_WINDOW_ACTIVATE\n");
+#endif
+ break;
+ case XEMBED_WINDOW_DEACTIVATE:
+#ifdef DEBUG_XTBIN
+ printf("Xt client get XEMBED_WINDOW_DEACTIVATE\n");
+#endif
+ break;
+ case XEMBED_MODALITY_ON:
+#ifdef DEBUG_XTBIN
+ printf("Xt client get XEMBED_MODALITY_ON\n");
+#endif
+ break;
+ case XEMBED_MODALITY_OFF:
+#ifdef DEBUG_XTBIN
+ printf("Xt client get XEMBED_MODALITY_OFF\n");
+#endif
+ break;
+ case XEMBED_FOCUS_IN:
+ case XEMBED_FOCUS_OUT:
+ {
+ XEvent xevent;
+ memset(&xevent, 0, sizeof(xevent));
+
+ if(event->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+#ifdef DEBUG_XTBIN
+ printf("XTEMBED got focus in\n");
+#endif
+ xevent.xfocus.type = FocusIn;
+ }
+ else {
+#ifdef DEBUG_XTBIN
+ printf("XTEMBED got focus out\n");
+#endif
+ xevent.xfocus.type = FocusOut;
+ }
+
+ xevent.xfocus.window = XtWindow(xtplug->child_widget);
+ xevent.xfocus.display = XtDisplay(xtplug->child_widget);
+ XSendEvent(XtDisplay(xtplug->child_widget),
+ xevent.xfocus.window,
+ False, NoEventMask,
+ &xevent );
+ XSync( XtDisplay(xtplug->child_widget), False);
+ }
+ break;
+ default:
+ break;
+ } /* End of XEmbed Message */
+}
+
+void
+xt_client_event_handler( Widget w, XtPointer client_data, XEvent *event)
+{
+ XtClient *xtplug = (XtClient*)client_data;
+
+ switch(event->type)
+ {
+ case ClientMessage:
+ /* Handle xembed message */
+ if (event->xclient.message_type==
+ XInternAtom (XtDisplay(xtplug->child_widget),
+ "_XEMBED", False)) {
+ xt_client_handle_xembed_message(w, client_data, event);
+ }
+ break;
+ case ReparentNotify:
+ break;
+ case MappingNotify:
+ xt_client_set_info (w, XEMBED_MAPPED);
+ break;
+ case UnmapNotify:
+ xt_client_set_info (w, 0);
+ break;
+ case KeyPress:
+#ifdef DEBUG_XTBIN
+ printf("Key Press Got!\n");
+#endif
+ break;
+ default:
+ break;
+ } /* End of switch(event->type) */
+}
+
+static void
+send_xembed_message (XtClient *xtclient,
+ long message,
+ long detail,
+ long data1,
+ long data2,
+ long time)
+{
+ XEvent xevent;
+ Window w=XtWindow(xtclient->top_widget);
+ Display* dpy=xtclient->xtdisplay;
+ int errorcode;
+
+ memset(&xevent,0,sizeof(xevent));
+ xevent.xclient.window = w;
+ xevent.xclient.type = ClientMessage;
+ xevent.xclient.message_type = XInternAtom(dpy,"_XEMBED",False);
+ xevent.xclient.format = 32;
+ xevent.xclient.data.l[0] = time;
+ xevent.xclient.data.l[1] = message;
+ xevent.xclient.data.l[2] = detail;
+ xevent.xclient.data.l[3] = data1;
+ xevent.xclient.data.l[4] = data2;
+
+ trap_errors ();
+ XSendEvent (dpy, w, False, NoEventMask, &xevent);
+ XSync (dpy,False);
+
+ if((errorcode = untrap_error())) {
+#ifdef DEBUG_XTBIN
+ printf("send_xembed_message error(%d)!!!\n",errorcode);
+#endif
+ }
+}
+
+static int
+error_handler(Display *display, XErrorEvent *error)
+{
+ trapped_error_code = error->error_code;
+ return 0;
+}
+
+static void
+trap_errors(void)
+{
+ trapped_error_code =0;
+ old_error_handler = XSetErrorHandler(error_handler);
+}
+
+static int
+untrap_error(void)
+{
+ XSetErrorHandler(old_error_handler);
+ if(trapped_error_code) {
+#ifdef DEBUG_XTBIN
+ printf("Get X Window Error = %d\n", trapped_error_code);
+#endif
+ }
+ return trapped_error_code;
+}
+
+void
+xt_client_focus_listener( Widget w, XtPointer user_data, XEvent *event)
+{
+ Display *dpy = XtDisplay(w);
+ XtClient *xtclient = user_data;
+ Window win = XtWindow(w);
+
+ switch(event->type)
+ {
+ case CreateNotify:
+ if(event->xcreatewindow.parent == win) {
+ Widget child=XtWindowToWidget( dpy, event->xcreatewindow.window);
+ if (child)
+ xt_add_focus_listener_tree(child, user_data);
+ }
+ break;
+ case DestroyNotify:
+ xt_remove_focus_listener( w, user_data);
+ break;
+ case ReparentNotify:
+ if(event->xreparent.parent == win) {
+ /* I am the new parent */
+ Widget child=XtWindowToWidget(dpy, event->xreparent.window);
+ if (child)
+ xt_add_focus_listener_tree( child, user_data);
+ }
+ else if(event->xreparent.window == win) {
+ /* I am the new child */
+ }
+ else {
+ /* I am the old parent */
+ }
+ break;
+ case ButtonRelease:
+#if 0
+ XSetInputFocus(dpy, XtWindow(xtclient->child_widget), RevertToParent, event->xbutton.time);
+#endif
+ send_xembed_message ( xtclient,
+ XEMBED_REQUEST_FOCUS, 0, 0, 0, 0);
+ break;
+ default:
+ break;
+ } /* End of switch(event->type) */
+}
+
+static void
+xt_add_focus_listener( Widget w, XtPointer user_data)
+{
+ XtClient *xtclient = user_data;
+
+ trap_errors ();
+ XtAddEventHandler(w,
+ SubstructureNotifyMask | ButtonReleaseMask,
+ FALSE,
+ (XtEventHandler)xt_client_focus_listener,
+ xtclient);
+ untrap_error();
+}
+
+static void
+xt_remove_focus_listener(Widget w, XtPointer user_data)
+{
+ trap_errors ();
+ XtRemoveEventHandler(w, SubstructureNotifyMask | ButtonReleaseMask, FALSE,
+ (XtEventHandler)xt_client_focus_listener, user_data);
+
+ untrap_error();
+}
+
+static void
+xt_add_focus_listener_tree ( Widget treeroot, XtPointer user_data)
+{
+ Window win = XtWindow(treeroot);
+ Window *children;
+ Window root, parent;
+ Display *dpy = XtDisplay(treeroot);
+ unsigned int i, nchildren;
+
+ /* ensure we don't add more than once */
+ xt_remove_focus_listener( treeroot, user_data);
+ xt_add_focus_listener( treeroot, user_data);
+ trap_errors();
+ if(!XQueryTree(dpy, win, &root, &parent, &children, &nchildren)) {
+ untrap_error();
+ return;
+ }
+
+ if(untrap_error())
+ return;
+
+ for(i=0; i<nchildren; ++i) {
+ Widget child = XtWindowToWidget(dpy, children[i]);
+ if (child)
+ xt_add_focus_listener_tree( child, user_data);
+ }
+ XFree((void*)children);
+
+ return;
+}
+
diff --git a/widget/gtkxtbin/gtk2xtbin.h b/widget/gtkxtbin/gtk2xtbin.h
new file mode 100644
index 000000000..60b3a0b34
--- /dev/null
+++ b/widget/gtkxtbin/gtk2xtbin.h
@@ -0,0 +1,131 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set expandtab shiftwidth=2 tabstop=2: */
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __GTK_XTBIN_H__
+#define __GTK_XTBIN_H__
+
+#include <gtk/gtk.h>
+#include <X11/Intrinsic.h>
+#include <X11/Xutil.h>
+#include <X11/Xlib.h>
+#ifdef MOZILLA_CLIENT
+#include "mozilla/Types.h"
+#ifdef _IMPL_GTKXTBIN_API
+#define GTKXTBIN_API(type) MOZ_EXPORT type
+#else
+#define GTKXTBIN_API(type) MOZ_IMPORT_API type
+#endif
+#else
+#define GTKXTBIN_API(type) type
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef struct _XtClient XtClient;
+
+struct _XtClient {
+ Display *xtdisplay;
+ Widget top_widget; /* The toplevel widget */
+ Widget child_widget; /* The embedded widget */
+ Visual *xtvisual;
+ int xtdepth;
+ Colormap xtcolormap;
+ Window oldwindow;
+};
+
+#if (GTK_MAJOR_VERSION == 2)
+typedef struct _GtkXtBin GtkXtBin;
+typedef struct _GtkXtBinClass GtkXtBinClass;
+
+#define GTK_TYPE_XTBIN (gtk_xtbin_get_type ())
+#define GTK_XTBIN(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+ GTK_TYPE_XTBIN, GtkXtBin))
+#define GTK_XTBIN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), \
+ GTK_TYPE_XTBIN, GtkXtBinClass))
+#define GTK_IS_XTBIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+ GTK_TYPE_XTBIN))
+#define GTK_IS_XTBIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+ GTK_TYPE_XTBIN))
+
+struct _GtkXtBin
+{
+ GtkSocket gsocket;
+ GdkWindow *parent_window;
+ Display *xtdisplay; /* Xt Toolkit Display */
+
+ Window xtwindow; /* Xt Toolkit XWindow */
+ XtClient xtclient; /* Xt Client for XEmbed */
+};
+
+struct _GtkXtBinClass
+{
+ GtkSocketClass parent_class;
+};
+
+GTKXTBIN_API(GType) gtk_xtbin_get_type (void);
+GTKXTBIN_API(GtkWidget *) gtk_xtbin_new (GdkWindow *parent_window, String *f);
+#endif
+
+typedef struct _XtTMRec {
+ XtTranslations translations; /* private to Translation Manager */
+ XtBoundActions proc_table; /* procedure bindings for actions */
+ struct _XtStateRec *current_state; /* Translation Manager state ptr */
+ unsigned long lastEventTime;
+} XtTMRec, *XtTM;
+
+typedef struct _CorePart {
+ Widget self; /* pointer to widget itself */
+ WidgetClass widget_class; /* pointer to Widget's ClassRec */
+ Widget parent; /* parent widget */
+ XrmName xrm_name; /* widget resource name quarkified */
+ Boolean being_destroyed; /* marked for destroy */
+ XtCallbackList destroy_callbacks; /* who to call when widget destroyed */
+ XtPointer constraints; /* constraint record */
+ Position x, y; /* window position */
+ Dimension width, height; /* window dimensions */
+ Dimension border_width; /* window border width */
+ Boolean managed; /* is widget geometry managed? */
+ Boolean sensitive; /* is widget sensitive to user events*/
+ Boolean ancestor_sensitive; /* are all ancestors sensitive? */
+ XtEventTable event_table; /* private to event dispatcher */
+ XtTMRec tm; /* translation management */
+ XtTranslations accelerators; /* accelerator translations */
+ Pixel border_pixel; /* window border pixel */
+ Pixmap border_pixmap; /* window border pixmap or NULL */
+ WidgetList popup_list; /* list of popups */
+ Cardinal num_popups; /* how many popups */
+ String name; /* widget resource name */
+ Screen *screen; /* window's screen */
+ Colormap colormap; /* colormap */
+ Window window; /* window ID */
+ Cardinal depth; /* number of planes in window */
+ Pixel background_pixel; /* window background pixel */
+ Pixmap background_pixmap; /* window background pixmap or NULL */
+ Boolean visible; /* is window mapped and not occluded?*/
+ Boolean mapped_when_managed;/* map window if it's managed? */
+} CorePart;
+
+typedef struct _WidgetRec {
+ CorePart core;
+ } WidgetRec, CoreRec;
+
+/* Exported functions, used by Xt plugins */
+void xt_client_create(XtClient * xtclient, Window embeder, int height, int width);
+void xt_client_unrealize(XtClient* xtclient);
+void xt_client_destroy(XtClient* xtclient);
+void xt_client_init(XtClient * xtclient, Visual *xtvisual, Colormap xtcolormap, int xtdepth);
+void xt_client_xloop_create(void);
+void xt_client_xloop_destroy(void);
+Display * xt_client_get_display(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __GTK_XTBIN_H__ */
+
diff --git a/widget/gtkxtbin/moz.build b/widget/gtkxtbin/moz.build
new file mode 100644
index 000000000..070aa5777
--- /dev/null
+++ b/widget/gtkxtbin/moz.build
@@ -0,0 +1,19 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+EXPORTS += [
+ 'gtk2xtbin.h',
+]
+
+SOURCES += [
+ 'gtk2xtbin.c',
+]
+
+FINAL_LIBRARY = 'xul'
+
+DEFINES['_IMPL_GTKXTBIN_API'] = True
+
+CFLAGS += CONFIG['MOZ_GTK2_CFLAGS']
diff --git a/widget/gtkxtbin/xembed.h b/widget/gtkxtbin/xembed.h
new file mode 100644
index 000000000..605c128aa
--- /dev/null
+++ b/widget/gtkxtbin/xembed.h
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set expandtab shiftwidth=2 tabstop=2: */
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* XEMBED messages */
+#define XEMBED_EMBEDDED_NOTIFY 0
+#define XEMBED_WINDOW_ACTIVATE 1
+#define XEMBED_WINDOW_DEACTIVATE 2
+#define XEMBED_REQUEST_FOCUS 3
+#define XEMBED_FOCUS_IN 4
+#define XEMBED_FOCUS_OUT 5
+#define XEMBED_FOCUS_NEXT 6
+#define XEMBED_FOCUS_PREV 7
+#define XEMBED_GRAB_KEY 8
+#define XEMBED_UNGRAB_KEY 9
+#define XEMBED_MODALITY_ON 10
+#define XEMBED_MODALITY_OFF 11
+
+/* Non standard messages*/
+#define XEMBED_GTK_GRAB_KEY 108
+#define XEMBED_GTK_UNGRAB_KEY 109
+
+/* Details for XEMBED_FOCUS_IN: */
+#define XEMBED_FOCUS_CURRENT 0
+#define XEMBED_FOCUS_FIRST 1
+#define XEMBED_FOCUS_LAST 2
+
+/* Flags for _XEMBED_INFO */
+#define XEMBED_MAPPED (1 << 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 05:25:05 +0000