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master 1e5eb56: Set embedder correctly to fix menus appearing in the wro
From: |
Po Lu |
Subject: |
master 1e5eb56: Set embedder correctly to fix menus appearing in the wrong location |
Date: |
Wed, 10 Nov 2021 01:06:27 -0500 (EST) |
branch: master
commit 1e5eb566cc33ae8b38b7d500c17e6912956e947c
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>
Set embedder correctly to fix menus appearing in the wrong location
* src/xwidget.c (record_osr_embedder, from_embedder, to_embedder): New
functions.
(Fmake_xwidget): Attach from-embedder and to-embedder signals.
(find_widget_for_offscreen_window): New function.
(xwidget_button, xwidget_motion_or_crossing): Set embedder on event.
(Fdelete_xwidget_view): Remove embedder status if applicable.
* src/xwidget.h (struct xwidget): New fields `embedder' and
`embedder-view'.
---
src/xwidget.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/xwidget.h | 2 +
2 files changed, 127 insertions(+)
diff --git a/src/xwidget.c b/src/xwidget.c
index fc76ce3..278dc96 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -52,6 +52,9 @@ static void synthesize_focus_in_event (GtkWidget *);
static GdkDevice *find_suitable_keyboard (struct frame *);
static gboolean webkit_script_dialog_cb (WebKitWebView *, WebKitScriptDialog *,
gpointer);
+static void record_osr_embedder (struct xwidget_view *);
+static void from_embedder (GdkWindow *, double, double, gpointer, gpointer,
gpointer);
+static void to_embedder (GdkWindow *, double, double, gpointer, gpointer,
gpointer);
#endif
static struct xwidget *
@@ -215,6 +218,12 @@ fails. */)
gtk_widget_show (xw->widgetwindow_osr);
synthesize_focus_in_event (xw->widgetwindow_osr);
+
+ g_signal_connect (G_OBJECT (gtk_widget_get_window
(xw->widgetwindow_osr)),
+ "from-embedder", G_CALLBACK (from_embedder), NULL);
+ g_signal_connect (G_OBJECT (gtk_widget_get_window
(xw->widgetwindow_osr)),
+ "to-embedder", G_CALLBACK (to_embedder), NULL);
+
/* Store some xwidget data in the gtk widgets for convenient
retrieval in the event handlers. */
g_object_set_data (G_OBJECT (xw->widget_osr), XG_XWIDGET, xw);
@@ -457,6 +466,106 @@ xwidget_from_id (uint32_t id)
}
#ifdef USE_GTK
+static void
+record_osr_embedder (struct xwidget_view *view)
+{
+ struct xwidget *xw;
+ GdkWindow *window, *embedder;
+
+ xw = XXWIDGET (view->model);
+ window = gtk_widget_get_window (xw->widgetwindow_osr);
+ embedder = gtk_widget_get_window (FRAME_GTK_OUTER_WIDGET (view->frame));
+
+ gdk_offscreen_window_set_embedder (window, embedder);
+ xw->embedder = view->frame;
+ xw->embedder_view = view;
+}
+
+static struct xwidget *
+find_xwidget_for_offscreen_window (GdkWindow *window)
+{
+ Lisp_Object tem;
+ struct xwidget *xw;
+ GdkWindow *w;
+
+ for (tem = Vxwidget_list; CONSP (tem); tem = XCDR (tem))
+ {
+ if (XWIDGETP (XCAR (tem)))
+ {
+ xw = XXWIDGET (XCAR (tem));
+ w = gtk_widget_get_window (xw->widgetwindow_osr);
+
+ if (w == window)
+ return xw;
+ }
+ }
+
+ return NULL;
+}
+
+static void
+from_embedder (GdkWindow *window, double x, double y,
+ gpointer x_out_ptr, gpointer y_out_ptr,
+ gpointer user_data)
+{
+ double *xout = x_out_ptr;
+ double *yout = y_out_ptr;
+ struct xwidget *xw = find_xwidget_for_offscreen_window (window);
+ struct xwidget_view *xvw;
+ gint xoff, yoff;
+
+ if (!xw)
+ emacs_abort ();
+
+ xvw = xw->embedder_view;
+
+ if (!xvw)
+ {
+ *xout = x;
+ *yout = y;
+ }
+ else
+ {
+ gtk_widget_translate_coordinates (FRAME_GTK_WIDGET (xvw->frame),
+ FRAME_GTK_OUTER_WIDGET (xvw->frame),
+ 0, 0, &xoff, &yoff);
+
+ *xout = x - (xvw->x + xvw->clip_left) - xoff;
+ *yout = y - (xvw->y + xvw->clip_top) - yoff;
+ }
+}
+
+static void
+to_embedder (GdkWindow *window, double x, double y,
+ gpointer x_out_ptr, gpointer y_out_ptr,
+ gpointer user_data)
+{
+ double *xout = x_out_ptr;
+ double *yout = y_out_ptr;
+ struct xwidget *xw = find_xwidget_for_offscreen_window (window);
+ struct xwidget_view *xvw;
+ gint xoff, yoff;
+
+ if (!xw)
+ emacs_abort ();
+
+ xvw = xw->embedder_view;
+
+ if (!xvw)
+ {
+ *xout = x;
+ *yout = y;
+ }
+ else
+ {
+ gtk_widget_translate_coordinates (FRAME_GTK_WIDGET (xvw->frame),
+ FRAME_GTK_OUTER_WIDGET (xvw->frame),
+ 0, 0, &xoff, &yoff);
+
+ *xout = x + xvw->x + xvw->clip_left + xoff;
+ *yout = y + xvw->y + xvw->clip_top + yoff;
+ }
+}
static GdkDevice *
find_suitable_pointer (struct frame *f)
@@ -697,6 +806,8 @@ xwidget_button (struct xwidget_view *view,
bool down_p, int x, int y, int button,
int modifier_state, Time time)
{
+ record_osr_embedder (view);
+
if (button < 4 || button > 8)
xwidget_button_1 (view, down_p, x, y, button, modifier_state, time);
else
@@ -765,6 +876,7 @@ xwidget_motion_or_crossing (struct xwidget_view *view,
const XEvent *event)
if (!target)
target = model->widget_osr;
+ record_osr_embedder (view);
xg_event->any.window = gtk_widget_get_window (target);
g_object_ref (xg_event->any.window); /* The window will be unrefed
later by gdk_event_free. */
@@ -1865,6 +1977,9 @@ DEFUN ("delete-xwidget-view",
CHECK_XWIDGET_VIEW (xwidget_view);
struct xwidget_view *xv = XXWIDGET_VIEW (xwidget_view);
#ifdef USE_GTK
+ struct xwidget *xw = XXWIDGET (xv->model);
+ GdkWindow *w;
+
if (xv->wdesc != None)
{
block_input ();
@@ -1874,6 +1989,16 @@ DEFUN ("delete-xwidget-view",
Fremhash (make_fixnum (xv->wdesc), x_window_to_xwv_map);
unblock_input ();
}
+
+ if (xw->embedder_view == xv)
+ {
+ w = gtk_widget_get_window (xw->widgetwindow_osr);
+
+ XXWIDGET (xv->model)->embedder_view = NULL;
+ XXWIDGET (xv->model)->embedder = NULL;
+
+ gdk_offscreen_window_set_embedder (w, NULL);
+ }
#elif defined NS_IMPL_COCOA
nsxwidget_delete_view (xv);
#endif
diff --git a/src/xwidget.h b/src/xwidget.h
index ad8b7c0..6e6b39c 100644
--- a/src/xwidget.h
+++ b/src/xwidget.h
@@ -68,6 +68,8 @@ struct xwidget
/* For offscreen widgets, unused if not osr. */
GtkWidget *widget_osr;
GtkWidget *widgetwindow_osr;
+ struct frame *embedder;
+ struct xwidget_view *embedder_view;
guint hit_result;
#elif defined (NS_IMPL_COCOA)
# ifdef __OBJC__
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