/* Support for embedding graphical components in a buffer. Copyright (C) 2011-2022 Free Software Foundation, Inc. This file is part of GNU Emacs. GNU Emacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs. If not, see . */ #include #include "buffer.h" #include "coding.h" #include "xwidget.h" #include "lisp.h" #include "blockinput.h" #include "dispextern.h" #include "frame.h" #include "keyboard.h" #include "gtkutil.h" #include "sysstdio.h" #include "termhooks.h" #include "window.h" #include "process.h" /* Include xwidget bottom end headers. */ #ifdef USE_GTK #include #include #include #ifndef HAVE_PGTK #include #include #else #include #endif #ifdef HAVE_XINPUT2 #include #endif #elif defined NS_IMPL_COCOA #include "nsxwidget.h" #endif #include static Lisp_Object id_to_xwidget_map; static Lisp_Object internal_xwidget_view_list; static Lisp_Object internal_xwidget_list; static uint32_t xwidget_counter = 0; #ifdef USE_GTK #ifdef HAVE_X_WINDOWS static Lisp_Object x_window_to_xwv_map; #if WEBKIT_CHECK_VERSION (2, 34, 0) static Lisp_Object dummy_tooltip_string; #endif #endif static gboolean offscreen_damage_event (GtkWidget *, GdkEvent *, gpointer); 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); static GdkWindow *pick_embedded_child (GdkWindow *, double, double, gpointer); #endif static struct xwidget * allocate_xwidget (void) { return ALLOCATE_PSEUDOVECTOR (struct xwidget, script_callbacks, PVEC_XWIDGET); } static struct xwidget_view * allocate_xwidget_view (void) { return ALLOCATE_PSEUDOVECTOR (struct xwidget_view, w, PVEC_XWIDGET_VIEW); } #define XSETXWIDGET(a, b) XSETPSEUDOVECTOR (a, b, PVEC_XWIDGET) #define XSETXWIDGET_VIEW(a, b) XSETPSEUDOVECTOR (a, b, PVEC_XWIDGET_VIEW) static struct xwidget_view *xwidget_view_lookup (struct xwidget *, struct window *); static void kill_xwidget (struct xwidget *); #ifdef USE_GTK static void webkit_view_load_changed_cb (WebKitWebView *, WebKitLoadEvent, gpointer); static void webkit_javascript_finished_cb (GObject *, GAsyncResult *, gpointer); static gboolean webkit_download_cb (WebKitWebContext *, WebKitDownload *, gpointer); static GtkWidget *webkit_create_cb (WebKitWebView *, WebKitNavigationAction *, gpointer); static gboolean webkit_decide_policy_cb (WebKitWebView *, WebKitPolicyDecision *, WebKitPolicyDecisionType, gpointer); static GtkWidget *find_widget_at_pos (GtkWidget *, int, int, int *, int *, bool, struct xwidget_view *); static gboolean run_file_chooser_cb (WebKitWebView *, WebKitFileChooserRequest *, gpointer); struct widget_search_data { int x; int y; bool foundp; bool first; GtkWidget *data; }; static void find_widget (GtkWidget *t, struct widget_search_data *); static void webkit_script_message_cb (WebKitUserContentManager *, WebKitJavascriptResult *, gpointer); #endif #ifdef HAVE_PGTK static void mouse_target_changed (WebKitWebView *, WebKitHitTestResult *, guint, gpointer); static int xw_forward_event_translate (GdkEvent *event, struct xwidget_view *xv, struct xwidget *xw) { GtkWidget *widget; int new_x, new_y; switch (event->type) { case GDK_BUTTON_PRESS: case GDK_BUTTON_RELEASE: case GDK_2BUTTON_PRESS: case GDK_3BUTTON_PRESS: widget = find_widget_at_pos (xw->widgetwindow_osr, lrint (event->button.x - xv->clip_left), lrint (event->button.y - xv->clip_top), &new_x, &new_y, false, NULL); if (widget) { event->any.window = gtk_widget_get_window (widget); event->button.x = new_x; event->button.y = new_y; return 1; } return 0; case GDK_SCROLL: widget = find_widget_at_pos (xw->widgetwindow_osr, lrint (event->scroll.x - xv->clip_left), lrint (event->scroll.y - xv->clip_top), &new_x, &new_y, false, NULL); if (widget) { event->any.window = gtk_widget_get_window (widget); event->scroll.x = new_x; event->scroll.y = new_y; return 1; } return 0; case GDK_MOTION_NOTIFY: widget = find_widget_at_pos (xw->widgetwindow_osr, lrint (event->motion.x - xv->clip_left), lrint (event->motion.y - xv->clip_top), &new_x, &new_y, false, NULL); if (widget) { event->any.window = gtk_widget_get_window (widget); event->motion.x = new_x; event->motion.y = new_y; return 1; } return 0; case GDK_ENTER_NOTIFY: case GDK_LEAVE_NOTIFY: widget = find_widget_at_pos (xw->widgetwindow_osr, lrint (event->crossing.x - xv->clip_left), lrint (event->crossing.y - xv->clip_top), &new_x, &new_y, false, NULL); if (widget) { event->any.window = gtk_widget_get_window (widget); event->crossing.x = new_x; event->crossing.y = new_y; return 1; } return 0; default: return 0; } } static gboolean xw_forward_event_from_view (GtkWidget *widget, GdkEvent *event, gpointer user_data) { struct xwidget_view *xv = user_data; struct xwidget *xw = XXWIDGET (xv->model); GdkEvent *eventcopy; bool translated_p; if (NILP (xw->buffer)) return TRUE; eventcopy = gdk_event_copy (event); translated_p = xw_forward_event_translate (eventcopy, xv, xw); record_osr_embedder (xv); g_object_ref (eventcopy->any.window); if (translated_p) gtk_main_do_event (eventcopy); gdk_event_free (eventcopy); /* Don't propagate this event further. */ return TRUE; } #endif #ifdef HAVE_X_WINDOWS enum xw_crossing_mode { XW_CROSSING_LEFT, XW_CROSSING_ENTERED, XW_CROSSING_NONE }; static guint xw_translate_x_modifiers (struct x_display_info *dpyinfo, unsigned int modifiers) { guint mods = 0; if (modifiers & dpyinfo->meta_mod_mask) { /* GDK always assumes Mod1 is alt, but that's no reason for us to make that mistake as well. */ if (!dpyinfo->alt_mod_mask) mods |= GDK_MOD1_MASK; else mods |= GDK_META_MASK; } if (modifiers & dpyinfo->alt_mod_mask) mods |= GDK_MOD1_MASK; if (modifiers & dpyinfo->super_mod_mask) mods |= GDK_SUPER_MASK; if (modifiers & dpyinfo->hyper_mod_mask) mods |= GDK_HYPER_MASK; if (modifiers & ControlMask) mods |= GDK_CONTROL_MASK; if (modifiers & ShiftMask) mods |= GDK_SHIFT_MASK; return mods; } static bool xw_maybe_synthesize_crossing (struct xwidget_view *, GdkWindow *, int, int, int, Time, unsigned int, GdkCrossingMode, GdkCrossingMode); static void xw_notify_virtual_upwards_until (struct xwidget_view *, GdkWindow *, GdkWindow *, GdkWindow *, unsigned int, int, int, Time, GdkEventType, bool, GdkCrossingMode); static void window_coords_from_toplevel (GdkWindow *, GdkWindow *, int, int, int *, int *); #endif DEFUN ("make-xwidget", Fmake_xwidget, Smake_xwidget, 4, 7, 0, doc: /* Make an xwidget of TYPE. If BUFFER is nil, use the current buffer. If BUFFER is a string and no such buffer exists, create it. TYPE is a symbol which can take one of the following values: - webkit RELATED is nil, or an xwidget. When constructing a WebKit widget, it will share the same settings and internal subprocess as RELATED. Returns the newly constructed xwidget, or nil if construction fails. */) (Lisp_Object type, Lisp_Object title, Lisp_Object width, Lisp_Object height, Lisp_Object arguments, Lisp_Object buffer, Lisp_Object related) { #ifdef USE_GTK if (!xg_gtk_initialized) error ("make-xwidget: GTK has not been initialized"); #endif CHECK_SYMBOL (type); CHECK_FIXNAT (width); CHECK_FIXNAT (height); if (!EQ (type, Qwebkit)) error ("Bad xwidget type"); Frequire (Qxwidget, Qnil, Qnil); struct xwidget *xw = allocate_xwidget (); Lisp_Object val; xw->type = type; xw->title = title; xw->buffer = (NILP (buffer) ? Fcurrent_buffer () : Fget_buffer_create (buffer, Qnil)); xw->height = XFIXNAT (height); xw->width = XFIXNAT (width); xw->kill_without_query = false; XSETXWIDGET (val, xw); internal_xwidget_list = Fcons (val, internal_xwidget_list); Vxwidget_list = Fcopy_sequence (internal_xwidget_list); xw->plist = Qnil; xw->xwidget_id = ++xwidget_counter; xw->find_text = NULL; Fputhash (make_fixnum (xw->xwidget_id), val, id_to_xwidget_map); #ifdef USE_GTK xw->widgetwindow_osr = NULL; xw->widget_osr = NULL; xw->hit_result = 0; if (EQ (xw->type, Qwebkit)) { block_input (); WebKitSettings *settings; WebKitWebContext *webkit_context = webkit_web_context_get_default (); # if WEBKIT_CHECK_VERSION (2, 26, 0) if (!webkit_web_context_get_sandbox_enabled (webkit_context)) webkit_web_context_set_sandbox_enabled (webkit_context, TRUE); # endif xw->widgetwindow_osr = gtk_offscreen_window_new (); gtk_window_resize (GTK_WINDOW (xw->widgetwindow_osr), xw->width, xw->height); gtk_container_check_resize (GTK_CONTAINER (xw->widgetwindow_osr)); if (EQ (xw->type, Qwebkit)) { WebKitWebView *related_view; if (NILP (related) || !XWIDGETP (related) || !EQ (XXWIDGET (related)->type, Qwebkit)) { WebKitWebContext *ctx = webkit_web_context_new (); xw->widget_osr = webkit_web_view_new_with_context (ctx); g_object_unref (ctx); g_signal_connect (G_OBJECT (ctx), "download-started", G_CALLBACK (webkit_download_cb), xw); webkit_web_view_load_uri (WEBKIT_WEB_VIEW (xw->widget_osr), "about:blank"); /* webkitgtk uses GSubprocess which sets sigaction causing Emacs to not catch SIGCHLD with its usual handle setup in 'catch_child_signal'. This resets the SIGCHLD sigaction. */ catch_child_signal (); } else { related_view = WEBKIT_WEB_VIEW (XXWIDGET (related)->widget_osr); xw->widget_osr = webkit_web_view_new_with_related_view (related_view); } /* Enable the developer extras. */ settings = webkit_web_view_get_settings (WEBKIT_WEB_VIEW (xw->widget_osr)); g_object_set (G_OBJECT (settings), "enable-developer-extras", TRUE, NULL); } WebKitUserContentManager *manager = webkit_user_content_manager_new (); xw->widget_osr = webkit_web_view_new_with_user_content_manager (manager); g_object_unref (manager); gtk_widget_set_size_request (GTK_WIDGET (xw->widget_osr), xw->width, xw->height); gtk_widget_queue_allocate (GTK_WIDGET (xw->widget_osr)); if (EQ (xw->type, Qwebkit)) { gtk_container_add (GTK_CONTAINER (xw->widgetwindow_osr), GTK_WIDGET (WEBKIT_WEB_VIEW (xw->widget_osr))); } else { gtk_container_add (GTK_CONTAINER (xw->widgetwindow_osr), xw->widget_osr); } gtk_widget_show (xw->widget_osr); gtk_widget_show (xw->widgetwindow_osr); #if !defined HAVE_XINPUT2 && !defined HAVE_PGTK synthesize_focus_in_event (xw->widgetwindow_osr); #endif 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); g_signal_connect (G_OBJECT (gtk_widget_get_window (xw->widgetwindow_osr)), "pick-embedded-child", G_CALLBACK (pick_embedded_child), 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); g_object_set_data (G_OBJECT (xw->widgetwindow_osr), XG_XWIDGET, xw); /* signals */ if (EQ (xw->type, Qwebkit)) { g_signal_connect (G_OBJECT (xw->widget_osr), "load-changed", G_CALLBACK (webkit_view_load_changed_cb), xw); g_signal_connect (G_OBJECT (xw->widget_osr), "decide-policy", G_CALLBACK (webkit_decide_policy_cb), xw); #ifdef HAVE_PGTK g_signal_connect (G_OBJECT (xw->widget_osr), "mouse-target-changed", G_CALLBACK (mouse_target_changed), xw); #endif g_signal_connect (G_OBJECT (xw->widget_osr), "create", G_CALLBACK (webkit_create_cb), xw); g_signal_connect (G_OBJECT (xw->widget_osr), "script-dialog", G_CALLBACK (webkit_script_dialog_cb), NULL); g_signal_connect (G_OBJECT (xw->widget_osr), "run-file-chooser", G_CALLBACK (run_file_chooser_cb), NULL); } g_signal_connect (G_OBJECT (xw->widgetwindow_osr), "damage-event", G_CALLBACK (offscreen_damage_event), xw); unblock_input (); } #elif defined NS_IMPL_COCOA nsxwidget_init (xw); #endif return val; } DEFUN ("xwidget-live-p", Fxwidget_live_p, Sxwidget_live_p, 1, 1, 0, doc: /* Return t if OBJECT is an xwidget that has not been killed. Value is nil if OBJECT is not an xwidget or if it has been killed. */) (Lisp_Object object) { return ((XWIDGETP (object) && !NILP (XXWIDGET (object)->buffer)) ? Qt : Qnil); } #ifdef USE_GTK static void set_widget_if_text_view (GtkWidget *widget, void *data) { GtkWidget **pointer = data; if (GTK_IS_TEXT_VIEW (widget)) *pointer = widget; } #endif DEFUN ("xwidget-perform-lispy-event", Fxwidget_perform_lispy_event, Sxwidget_perform_lispy_event, 2, 3, 0, doc: /* Send a lispy event to XWIDGET. EVENT should be the event that will be sent. FRAME should be the frame which generated the event, and defaults to the selected frame. On X11, modifier keys will not be processed if FRAME is nil and the selected frame is not an X-Windows frame. */) (Lisp_Object xwidget, Lisp_Object event, Lisp_Object frame) { struct xwidget *xw; struct frame *f = NULL; int character = -1, keycode = -1; int modifiers = 0; #ifdef USE_GTK GdkEvent *xg_event; GtkContainerClass *klass; GtkWidget *widget; GtkWidget *temp = NULL; #ifdef HAVE_XINPUT2 GdkWindow *embedder; GdkWindow *osw; #endif #endif CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); if (!NILP (frame)) f = decode_window_system_frame (frame); else if (FRAME_WINDOW_P (SELECTED_FRAME ())) f = SELECTED_FRAME (); #ifdef USE_GTK #ifdef HAVE_XINPUT2 /* XI2 GDK devices crash if we try this without an embedder set. */ if (!f) return Qnil; block_input (); osw = gtk_widget_get_window (xw->widgetwindow_osr); embedder = gtk_widget_get_window (FRAME_GTK_OUTER_WIDGET (f)); gdk_offscreen_window_set_embedder (osw, embedder); unblock_input (); #endif widget = gtk_window_get_focus (GTK_WINDOW (xw->widgetwindow_osr)); if (!widget) widget = xw->widget_osr; if (RANGED_FIXNUMP (0, event, INT_MAX)) { character = XFIXNUM (event); if (character < 32) modifiers |= ctrl_modifier; modifiers |= character & meta_modifier; modifiers |= character & hyper_modifier; modifiers |= character & super_modifier; modifiers |= character & shift_modifier; modifiers |= character & ctrl_modifier; character = character & ~(1 << 21); if (character < 32) character += '_'; #ifndef HAVE_PGTK if (f) modifiers = x_emacs_to_x_modifiers (FRAME_DISPLAY_INFO (f), modifiers); else modifiers = 0; #else if (f) modifiers = pgtk_emacs_to_gtk_modifiers (FRAME_DISPLAY_INFO (f), modifiers); else modifiers = 0; #endif } else if (SYMBOLP (event)) { Lisp_Object decoded = parse_modifiers (event); Lisp_Object decoded_name = SYMBOL_NAME (XCAR (decoded)); int off = 0; bool found = false; while (off < 256) { if (lispy_function_keys[off] && !strcmp (lispy_function_keys[off], SSDATA (decoded_name))) { found = true; break; } ++off; } #ifndef HAVE_PGTK if (f) modifiers = x_emacs_to_x_modifiers (FRAME_DISPLAY_INFO (f), XFIXNUM (XCAR (XCDR (decoded)))); else modifiers = 0; #else if (f) modifiers = pgtk_emacs_to_gtk_modifiers (FRAME_DISPLAY_INFO (f), XFIXNUM (XCAR (XCDR (decoded)))); else modifiers = 0; #endif if (found) keycode = off + 0xff00; } if (character == -1 && keycode == -1) { #ifdef HAVE_XINPUT2 block_input (); if (xw->embedder_view) record_osr_embedder (xw->embedder_view); else gdk_offscreen_window_set_embedder (osw, NULL); unblock_input (); #endif return Qnil; } block_input (); xg_event = gdk_event_new (GDK_KEY_PRESS); xg_event->any.window = gtk_widget_get_window (xw->widget_osr); g_object_ref (xg_event->any.window); if (character > -1) keycode = gdk_unicode_to_keyval (character); xg_event->key.keyval = keycode; #ifndef HAVE_X_WINDOWS xg_event->key.state = modifiers; #else if (f) xg_event->key.state = xw_translate_x_modifiers (FRAME_DISPLAY_INFO (f), modifiers); #endif if (keycode > -1) { /* WebKitGTK internals abuse follows. */ if (WEBKIT_IS_WEB_VIEW (widget)) { /* WebKitGTK relies on an internal GtkTextView object to "translate" keys such as backspace. We must find that widget and activate its binding to this key if any. */ klass = GTK_CONTAINER_CLASS (G_OBJECT_GET_CLASS (widget)); klass->forall (GTK_CONTAINER (xw->widget_osr), TRUE, set_widget_if_text_view, &temp); if (GTK_IS_WIDGET (temp)) { if (!gtk_widget_get_realized (temp)) gtk_widget_realize (temp); gtk_bindings_activate (G_OBJECT (temp), keycode, modifiers); } } } if (f) gdk_event_set_device (xg_event, find_suitable_keyboard (SELECTED_FRAME ())); gtk_main_do_event (xg_event); xg_event->type = GDK_KEY_RELEASE; gtk_main_do_event (xg_event); gdk_event_free (xg_event); #ifdef HAVE_XINPUT2 if (xw->embedder_view) record_osr_embedder (xw->embedder_view); else gdk_offscreen_window_set_embedder (osw, NULL); #endif unblock_input (); #endif return Qnil; } DEFUN ("get-buffer-xwidgets", Fget_buffer_xwidgets, Sget_buffer_xwidgets, 1, 1, 0, doc: /* Return a list of xwidgets associated with BUFFER. BUFFER may be a buffer or the name of one. */) (Lisp_Object buffer) { Lisp_Object xw, tail, xw_list; if (NILP (buffer)) return Qnil; buffer = Fget_buffer (buffer); if (NILP (buffer)) return Qnil; xw_list = Qnil; for (tail = internal_xwidget_list; CONSP (tail); tail = XCDR (tail)) { xw = XCAR (tail); if (XWIDGETP (xw) && EQ (Fxwidget_buffer (xw), buffer)) xw_list = Fcons (xw, xw_list); } return xw_list; } static bool xwidget_hidden (struct xwidget_view *xv) { return xv->hidden; } struct xwidget * xwidget_from_id (uint32_t id) { Lisp_Object key = make_fixnum (id); Lisp_Object xwidget = Fgethash (key, id_to_xwidget_map, Qnil); if (NILP (xwidget)) emacs_abort (); return XXWIDGET (xwidget); } #ifdef USE_GTK static GdkWindow * pick_embedded_child (GdkWindow *window, double x, double y, gpointer user_data) { GtkWidget *widget; GtkWidget *child; GdkEvent event; int xout, yout; event.any.window = window; event.any.type = GDK_NOTHING; widget = gtk_get_event_widget (&event); if (!widget) return NULL; child = find_widget_at_pos (widget, lrint (x), lrint (y), &xout, &yout, false, NULL); if (!child) return NULL; return gtk_widget_get_window (child); } 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); #ifndef HAVE_PGTK embedder = gtk_widget_get_window (FRAME_GTK_OUTER_WIDGET (view->frame)); #else embedder = gtk_widget_get_window (view->widget); #endif 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 = internal_xwidget_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; #ifndef HAVE_PGTK 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 - xoff; *yout = y - xvw->y - yoff; } #else *xout = x; *yout = y; #endif } 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; #ifndef HAVE_PGTK 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 + xoff; *yout = y + xvw->y + yoff; } #else *xout = x; *yout = y; #endif } static GdkDevice * find_suitable_pointer (struct frame *f, bool need_smooth) { GdkSeat *seat = gdk_display_get_default_seat (gtk_widget_get_display (FRAME_GTK_WIDGET (f))); GList *devices, *tem; GdkDevice *device; if (!seat) return NULL; devices = gdk_seat_get_slaves (seat, GDK_SEAT_CAPABILITY_ALL_POINTING); device = NULL; tem = NULL; if (need_smooth) { for (tem = devices; tem; tem = tem->next) { device = GDK_DEVICE (tem->data); if (gdk_device_get_source (device) == GDK_SOURCE_TOUCHPAD) break; } } g_list_free (devices); return !tem ? gdk_seat_get_pointer (seat) : device; } static GdkDevice * find_suitable_keyboard (struct frame *f) { GdkSeat *seat = gdk_display_get_default_seat (gtk_widget_get_display (FRAME_GTK_WIDGET (f))); if (!seat) return NULL; return gdk_seat_get_keyboard (seat); } static void find_widget_cb (GtkWidget *widget, void *user) { find_widget (widget, user); } static void find_widget (GtkWidget *widget, struct widget_search_data *data) { GtkAllocation new_allocation; GdkWindow *window; int x_offset = 0; int y_offset = 0; gtk_widget_get_allocation (widget, &new_allocation); if (gtk_widget_get_has_window (widget)) { new_allocation.x = 0; new_allocation.y = 0; } if (gtk_widget_get_parent (widget) && !data->first) { window = gtk_widget_get_window (widget); while (window != gtk_widget_get_window (gtk_widget_get_parent (widget))) { gint tx, ty, twidth, theight; if (!window) return; twidth = gdk_window_get_width (window); theight = gdk_window_get_height (window); if (new_allocation.x < 0) { new_allocation.width += new_allocation.x; new_allocation.x = 0; } if (new_allocation.y < 0) { new_allocation.height += new_allocation.y; new_allocation.y = 0; } if (new_allocation.x + new_allocation.width > twidth) new_allocation.width = twidth - new_allocation.x; if (new_allocation.y + new_allocation.height > theight) new_allocation.height = theight - new_allocation.y; gdk_window_get_position (window, &tx, &ty); new_allocation.x += tx; x_offset += tx; new_allocation.y += ty; y_offset += ty; window = gdk_window_get_parent (window); } } if ((data->x >= new_allocation.x) && (data->y >= new_allocation.y) && (data->x < new_allocation.x + new_allocation.width) && (data->y < new_allocation.y + new_allocation.height)) { /* First, check if the drag is in a valid drop site in one of our children. */ if (GTK_IS_CONTAINER (widget)) { struct widget_search_data new_data = *data; new_data.x -= x_offset; new_data.y -= y_offset; new_data.foundp = false; new_data.first = false; gtk_container_forall (GTK_CONTAINER (widget), find_widget_cb, &new_data); data->foundp = new_data.foundp; if (data->foundp) data->data = new_data.data; } /* If not, and this widget is registered as a drop site, check to emit "drag_motion" to check if we are actually in a drop site. */ if (!data->foundp) { data->foundp = true; data->data = widget; } } } static GtkWidget * find_widget_at_pos (GtkWidget *w, int x, int y, int *new_x, int *new_y, bool pointer_grabs, struct xwidget_view *vw) { struct widget_search_data data; #ifdef HAVE_X_WINDOWS GtkWidget *grab = NULL; if (pointer_grabs) { grab = vw->passive_grab; if (grab && gtk_widget_get_window (grab)) { gtk_widget_translate_coordinates (w, grab, x, y, new_x, new_y); return grab; } } #endif data.x = x; data.y = y; data.foundp = false; data.first = true; find_widget (w, &data); if (data.foundp) { gtk_widget_translate_coordinates (w, data.data, x, y, new_x, new_y); return data.data; } *new_x = x; *new_y = y; return NULL; } #ifdef HAVE_PGTK static Emacs_Cursor cursor_for_hit (guint result, struct frame *frame) { Emacs_Cursor cursor = FRAME_OUTPUT_DATA (frame)->nontext_cursor; if ((result & WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE) || (result & WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION) || (result & WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT)) cursor = FRAME_X_OUTPUT (frame)->text_cursor; if (result & WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR) cursor = FRAME_X_OUTPUT (frame)->vertical_drag_cursor; if (result & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) cursor = FRAME_X_OUTPUT (frame)->hand_cursor; return cursor; } static void define_cursors (struct xwidget *xw, WebKitHitTestResult *res) { struct xwidget_view *xvw; GdkWindow *wdesc; xw->hit_result = webkit_hit_test_result_get_context (res); for (Lisp_Object tem = internal_xwidget_view_list; CONSP (tem); tem = XCDR (tem)) { if (XWIDGET_VIEW_P (XCAR (tem))) { xvw = XXWIDGET_VIEW (XCAR (tem)); if (XXWIDGET (xvw->model) == xw) { xvw->cursor = cursor_for_hit (xw->hit_result, xvw->frame); if (gtk_widget_get_realized (xvw->widget)) { wdesc = gtk_widget_get_window (xvw->widget); gdk_window_set_cursor (wdesc, xvw->cursor); } } } } } static void mouse_target_changed (WebKitWebView *webview, WebKitHitTestResult *hitresult, guint modifiers, gpointer xw) { define_cursors (xw, hitresult); } #endif static gboolean run_file_chooser_cb (WebKitWebView *webview, WebKitFileChooserRequest *request, gpointer user_data) { struct frame *f = SELECTED_FRAME (); GtkFileChooserNative *chooser; GtkFileFilter *filter; bool select_multiple_p; guint response; GSList *filenames; GSList *tem; int i, len; gchar **files; /* Return TRUE to prevent WebKit from showing the default script dialog in the offscreen window, which runs a nested main loop Emacs can't respond to, and as such can't pass X events to. */ if (!FRAME_WINDOW_P (f)) return TRUE; chooser = gtk_file_chooser_native_new ("Select file", GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), GTK_FILE_CHOOSER_ACTION_OPEN, "Select", "Cancel"); filter = webkit_file_chooser_request_get_mime_types_filter (request); select_multiple_p = webkit_file_chooser_request_get_select_multiple (request); gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (chooser), select_multiple_p); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter); response = gtk_native_dialog_run (GTK_NATIVE_DIALOG (chooser)); if (response != GTK_RESPONSE_ACCEPT) { gtk_native_dialog_destroy (GTK_NATIVE_DIALOG (chooser)); webkit_file_chooser_request_cancel (request); return TRUE; } filenames = gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER (chooser)); len = g_slist_length (filenames); files = alloca (sizeof *files * (len + 1)); for (tem = filenames, i = 0; tem; tem = tem->next, ++i) files[i] = tem->data; files[len] = NULL; g_slist_free (filenames); webkit_file_chooser_request_select_files (request, (const gchar **) files); for (i = 0; i < len; ++i) g_free (files[i]); gtk_native_dialog_destroy (GTK_NATIVE_DIALOG (chooser)); return TRUE; } #ifdef HAVE_X_WINDOWS static void xv_drag_begin_cb (GtkWidget *widget, GdkDragContext *context, gpointer user_data) { struct xwidget_view *view = user_data; if (view->passive_grab) { g_signal_handler_disconnect (view->passive_grab, view->passive_grab_destruction_signal); g_signal_handler_disconnect (view->passive_grab, view->passive_grab_drag_signal); view->passive_grab = NULL; } } static void xwidget_button_1 (struct xwidget_view *view, bool down_p, int x, int y, int button, int modifier_state, Time time) { GdkEvent *xg_event; struct xwidget *model = XXWIDGET (view->model); GtkWidget *target; GtkWidget *ungrab_target; GdkWindow *toplevel, *target_window; int view_x, view_y; /* X and Y should be relative to the origin of view->wdesc. */ x += view->clip_left; y += view->clip_top; view_x = x; view_y = y; target = find_widget_at_pos (model->widgetwindow_osr, x, y, &x, &y, true, view); if (!target) target = model->widget_osr; xg_event = gdk_event_new (down_p ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE); 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. */ xg_event->button.x = x; xg_event->button.x_root = x; xg_event->button.y = y; xg_event->button.y_root = y; xg_event->button.button = button; xg_event->button.state = modifier_state; xg_event->button.time = time; xg_event->button.device = find_suitable_pointer (view->frame, false); gtk_main_do_event (xg_event); gdk_event_free (xg_event); if (down_p && !view->passive_grab) { view->passive_grab = target; view->passive_grab_destruction_signal = g_signal_connect (G_OBJECT (view->passive_grab), "destroy", G_CALLBACK (gtk_widget_destroyed), &view->passive_grab); view->passive_grab_drag_signal = g_signal_connect (G_OBJECT (view->passive_grab), "drag-begin", G_CALLBACK (xv_drag_begin_cb), view); } else { ungrab_target = find_widget_at_pos (model->widgetwindow_osr, view_x, view_y, &x, &y, false, NULL); if (view->last_crossing_window && ungrab_target) { xw_maybe_synthesize_crossing (view, gtk_widget_get_window (ungrab_target), view_x, view_y, XW_CROSSING_NONE, time, modifier_state, GDK_CROSSING_UNGRAB, GDK_CROSSING_UNGRAB); } else { toplevel = gtk_widget_get_window (model->widgetwindow_osr); xg_event = gdk_event_new (GDK_LEAVE_NOTIFY); target_window = gtk_widget_get_window (target); window_coords_from_toplevel (target_window, toplevel, view_x, view_y, &x, &y); xg_event->crossing.x = x; xg_event->crossing.y = y; xg_event->crossing.time = time; xg_event->crossing.focus = FALSE; xg_event->crossing.detail = GDK_NOTIFY_ANCESTOR; xg_event->crossing.mode = GDK_CROSSING_UNGRAB; xg_event->crossing.window = g_object_ref (target_window); gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); gtk_main_do_event (xg_event); gdk_event_free (xg_event); xw_notify_virtual_upwards_until (view, target_window, toplevel, toplevel, modifier_state, view_x, view_y, time, GDK_LEAVE_NOTIFY, false, GDK_CROSSING_UNGRAB); if (target_window != toplevel) { xg_event = gdk_event_new (GDK_LEAVE_NOTIFY); xg_event->crossing.x = view_y; xg_event->crossing.y = view_y; xg_event->crossing.time = time; xg_event->crossing.focus = FALSE; xg_event->crossing.detail = GDK_NOTIFY_VIRTUAL; xg_event->crossing.mode = GDK_CROSSING_UNGRAB; xg_event->crossing.window = g_object_ref (toplevel); gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); gtk_main_do_event (xg_event); gdk_event_free (xg_event); } } if (view->passive_grab) { g_signal_handler_disconnect (view->passive_grab, view->passive_grab_destruction_signal); g_signal_handler_disconnect (view->passive_grab, view->passive_grab_drag_signal); view->passive_grab = NULL; } } } void xwidget_button (struct xwidget_view *view, bool down_p, int x, int y, int button, int modifier_state, Time time) { if (NILP (XXWIDGET (view->model)->buffer)) return; record_osr_embedder (view); if (button < 4 || button > 8) xwidget_button_1 (view, down_p, x, y, button, modifier_state, time); else { if (!down_p) { GdkEvent *xg_event = gdk_event_new (GDK_SCROLL); struct xwidget *model = XXWIDGET (view->model); GtkWidget *target; x += view->clip_left; y += view->clip_top; target = find_widget_at_pos (model->widgetwindow_osr, x, y, &x, &y, true, view); if (!target) target = model->widget_osr; 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. */ if (button == 4) xg_event->scroll.direction = GDK_SCROLL_UP; else if (button == 5) xg_event->scroll.direction = GDK_SCROLL_DOWN; else if (button == 6) xg_event->scroll.direction = GDK_SCROLL_LEFT; else xg_event->scroll.direction = GDK_SCROLL_RIGHT; xg_event->scroll.device = find_suitable_pointer (view->frame, false); xg_event->scroll.x = x; xg_event->scroll.x_root = x; xg_event->scroll.y = y; xg_event->scroll.y_root = y; xg_event->scroll.state = modifier_state; xg_event->scroll.time = time; xg_event->scroll.delta_x = 0; xg_event->scroll.delta_y = 0; gtk_main_do_event (xg_event); gdk_event_free (xg_event); } } } #ifdef HAVE_XINPUT2 void xwidget_motion_notify (struct xwidget_view *view, double x, double y, double root_x, double root_y, uint state, Time time) { GdkEvent *xg_event; GtkWidget *target; struct xwidget *model = XXWIDGET (view->model); int target_x, target_y; if (NILP (model->buffer)) return; record_osr_embedder (view); target = find_widget_at_pos (model->widgetwindow_osr, lrint (x + view->clip_left), lrint (y + view->clip_top), &target_x, &target_y, true, view); if (!target) { target_x = lrint (x + view->clip_left); target_y = lrint (y + view->clip_top); target = model->widget_osr; } else if (xw_maybe_synthesize_crossing (view, gtk_widget_get_window (target), x + view->clip_left, y + view->clip_top, XW_CROSSING_NONE, time, state, (view->passive_grab ? GDK_CROSSING_GRAB : GDK_CROSSING_NORMAL), GDK_CROSSING_NORMAL)) return; xg_event = gdk_event_new (GDK_MOTION_NOTIFY); xg_event->any.window = gtk_widget_get_window (target); xg_event->motion.x = target_x; xg_event->motion.y = target_y; xg_event->motion.x_root = root_x; xg_event->motion.y_root = root_y; xg_event->motion.time = time; xg_event->motion.state = state; xg_event->motion.device = find_suitable_pointer (view->frame, false); g_object_ref (xg_event->any.window); gtk_main_do_event (xg_event); gdk_event_free (xg_event); } void xwidget_scroll (struct xwidget_view *view, double x, double y, double dx, double dy, uint state, Time time, bool stop_p) { GdkEvent *xg_event; GtkWidget *target; struct xwidget *model = XXWIDGET (view->model); int target_x, target_y; if (NILP (model->buffer)) return; record_osr_embedder (view); target = find_widget_at_pos (model->widgetwindow_osr, lrint (x + view->clip_left), lrint (y + view->clip_top), &target_x, &target_y, true, view); if (!target) { target_x = lrint (x); target_y = lrint (y); target = model->widget_osr; } xg_event = gdk_event_new (GDK_SCROLL); xg_event->any.window = gtk_widget_get_window (target); xg_event->scroll.direction = GDK_SCROLL_SMOOTH; xg_event->scroll.x = target_x; xg_event->scroll.y = target_y; xg_event->scroll.x_root = lrint (x); xg_event->scroll.y_root = lrint (y); xg_event->scroll.time = time; xg_event->scroll.state = state; xg_event->scroll.delta_x = dx; xg_event->scroll.delta_y = dy; xg_event->scroll.device = find_suitable_pointer (view->frame, true); xg_event->scroll.is_stop = stop_p; g_object_ref (xg_event->any.window); gtk_main_do_event (xg_event); gdk_event_free (xg_event); } #ifdef HAVE_XINPUT2_4 void xwidget_pinch (struct xwidget_view *view, XIGesturePinchEvent *xev) { #if GTK_CHECK_VERSION (3, 18, 0) GdkEvent *xg_event; GtkWidget *target; struct xwidget *model = XXWIDGET (view->model); int target_x, target_y; double x = xev->event_x; double y = xev->event_y; if (NILP (model->buffer)) return; record_osr_embedder (view); target = find_widget_at_pos (model->widgetwindow_osr, lrint (x + view->clip_left), lrint (y + view->clip_top), &target_x, &target_y, true, view); if (!target) { target_x = lrint (x); target_y = lrint (y); target = model->widget_osr; } xg_event = gdk_event_new (GDK_TOUCHPAD_PINCH); xg_event->any.window = gtk_widget_get_window (target); xg_event->touchpad_pinch.x = target_x; xg_event->touchpad_pinch.y = target_y; xg_event->touchpad_pinch.dx = xev->delta_x; xg_event->touchpad_pinch.dy = xev->delta_y; xg_event->touchpad_pinch.angle_delta = xev->delta_angle; xg_event->touchpad_pinch.scale = xev->scale; xg_event->touchpad_pinch.x_root = xev->root_x; xg_event->touchpad_pinch.y_root = xev->root_y; xg_event->touchpad_pinch.state = xev->mods.effective; xg_event->touchpad_pinch.n_fingers = 2; switch (xev->evtype) { case XI_GesturePinchBegin: xg_event->touchpad_pinch.phase = GDK_TOUCHPAD_GESTURE_PHASE_BEGIN; break; case XI_GesturePinchUpdate: xg_event->touchpad_pinch.phase = GDK_TOUCHPAD_GESTURE_PHASE_UPDATE; break; case XI_GesturePinchEnd: xg_event->touchpad_pinch.phase = GDK_TOUCHPAD_GESTURE_PHASE_END; break; } gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); g_object_ref (xg_event->any.window); gtk_main_do_event (xg_event); gdk_event_free (xg_event); #endif } #endif #endif #ifdef HAVE_XINPUT2 static GdkNotifyType xi_translate_notify_detail (int detail) { switch (detail) { case XINotifyInferior: return GDK_NOTIFY_INFERIOR; case XINotifyAncestor: return GDK_NOTIFY_ANCESTOR; case XINotifyVirtual: return GDK_NOTIFY_VIRTUAL; case XINotifyNonlinear: return GDK_NOTIFY_NONLINEAR; case XINotifyNonlinearVirtual: return GDK_NOTIFY_NONLINEAR_VIRTUAL; default: emacs_abort (); } } #endif static void window_coords_from_toplevel (GdkWindow *window, GdkWindow *toplevel, int x, int y, int *out_x, int *out_y) { GdkWindow *parent; GList *children, *l; gdouble x_out, y_out; if (window == toplevel) { *out_x = x; *out_y = y; return; } children = NULL; while ((parent = gdk_window_get_parent (window)) != toplevel) { children = g_list_prepend (children, window); window = parent; } for (l = children; l != NULL; l = l->next) gdk_window_coords_from_parent (l->data, x, y, &x_out, &y_out); g_list_free (children); *out_x = x_out; *out_y = y_out; } static GdkWindow * xw_find_common_ancestor (GdkWindow *window, GdkWindow *other, GdkWindow *toplevel) { GdkWindow *tem; GList *l1 = NULL; GList *l2 = NULL; GList *i1, *i2; tem = window; while (tem && tem != toplevel) { l1 = g_list_prepend (l1, tem); tem = gdk_window_get_parent (tem); } tem = other; while (tem && tem != toplevel) { l2 = g_list_prepend (l2, tem); tem = gdk_window_get_parent (tem); } tem = NULL; i1 = l1; i2 = l2; while (i1 && i2 && (i1->data == i2->data)) { tem = i1->data; i1 = i1->next; i2 = i2->next; } g_list_free (l1); g_list_free (l2); return tem; } static void xw_notify_virtual_upwards_until (struct xwidget_view *xv, GdkWindow *window, GdkWindow *until, GdkWindow *toplevel, unsigned int state, int x, int y, Time time, GdkEventType type, bool nonlinear_p, GdkCrossingMode crossing) { GdkEvent *xg_event; GdkWindow *tem; int cx, cy; for (tem = gdk_window_get_parent (window); tem && (tem != until); tem = gdk_window_get_parent (tem)) { xg_event = gdk_event_new (type); gdk_event_set_device (xg_event, find_suitable_pointer (xv->frame, false)); window_coords_from_toplevel (tem, toplevel, x, y, &cx, &cy); xg_event->crossing.x = cx; xg_event->crossing.y = cy; xg_event->crossing.time = time; xg_event->crossing.focus = FALSE; xg_event->crossing.detail = (nonlinear_p ? GDK_NOTIFY_NONLINEAR_VIRTUAL : GDK_NOTIFY_VIRTUAL); xg_event->crossing.mode = crossing; xg_event->crossing.window = g_object_ref (tem); gtk_main_do_event (xg_event); gdk_event_free (xg_event); } } static void xw_notify_virtual_downwards_until (struct xwidget_view *xv, GdkWindow *window, GdkWindow *until, GdkWindow *toplevel, unsigned int state, int x, int y, Time time, GdkEventType type, bool nonlinear_p, GdkCrossingMode crossing) { GdkEvent *xg_event; GdkWindow *tem; int cx, cy; GList *path = NULL, *it; tem = gdk_window_get_parent (window); while (tem && tem != until) { path = g_list_prepend (path, tem); tem = gdk_window_get_parent (tem); } for (it = path; it; it = it->next) { tem = it->data; xg_event = gdk_event_new (type); gdk_event_set_device (xg_event, find_suitable_pointer (xv->frame, false)); window_coords_from_toplevel (tem, toplevel, x, y, &cx, &cy); xg_event->crossing.x = cx; xg_event->crossing.y = cy; xg_event->crossing.time = time; xg_event->crossing.focus = FALSE; xg_event->crossing.detail = (nonlinear_p ? GDK_NOTIFY_NONLINEAR_VIRTUAL : GDK_NOTIFY_VIRTUAL); xg_event->crossing.mode = crossing; xg_event->crossing.window = g_object_ref (tem); gtk_main_do_event (xg_event); gdk_event_free (xg_event); } g_list_free (path); } static void xw_update_cursor_for_view (struct xwidget_view *xv, GdkWindow *crossing_window) { GdkCursor *xg_cursor; Cursor cursor; xg_cursor = gdk_window_get_cursor (crossing_window); if (xg_cursor) { cursor = gdk_x11_cursor_get_xcursor (xg_cursor); if (gdk_x11_cursor_get_xdisplay (xg_cursor) == xv->dpy) xv->cursor = cursor; } else xv->cursor = FRAME_OUTPUT_DATA (xv->frame)->nontext_cursor; if (xv->wdesc != None) XDefineCursor (xv->dpy, xv->wdesc, xv->cursor); } static void xw_last_crossing_cursor_cb (GdkWindow *window, GParamSpec *spec, gpointer user_data) { xw_update_cursor_for_view (user_data, window); } static bool xw_maybe_synthesize_crossing (struct xwidget_view *view, GdkWindow *current_window, int x, int y, int crossing, Time time, unsigned int state, GdkCrossingMode entry_crossing, GdkCrossingMode exit_crossing) { GdkWindow *last_crossing, *toplevel, *ancestor; GdkEvent *xg_event; int cx, cy; bool nonlinear_p; bool retention_flag; #if WEBKIT_CHECK_VERSION (2, 34, 0) /* Work around a silly bug in WebKitGTK+ that tries to make tooltip windows transient for our offscreen window. */ int tooltip_width, tooltip_height; xg_prepare_tooltip (view->frame, dummy_tooltip_string, &tooltip_width, &tooltip_height); #endif toplevel = gtk_widget_get_window (XXWIDGET (view->model)->widgetwindow_osr); retention_flag = false; if (crossing == XW_CROSSING_LEFT && (view->last_crossing_window && !gdk_window_is_destroyed (view->last_crossing_window))) { xw_notify_virtual_upwards_until (view, view->last_crossing_window, toplevel, toplevel, state, x, y, time, GDK_LEAVE_NOTIFY, false, exit_crossing); } if (view->last_crossing_window && (gdk_window_is_destroyed (view->last_crossing_window) || crossing == XW_CROSSING_LEFT)) { if (!gdk_window_is_destroyed (view->last_crossing_window) && view->last_crossing_window != toplevel) { xg_event = gdk_event_new (GDK_LEAVE_NOTIFY); window_coords_from_toplevel (view->last_crossing_window, toplevel, x, y, &cx, &cy); xg_event->crossing.x = cx; xg_event->crossing.y = cy; xg_event->crossing.time = time; xg_event->crossing.focus = FALSE; xg_event->crossing.detail = GDK_NOTIFY_ANCESTOR; xg_event->crossing.mode = exit_crossing; xg_event->crossing.window = g_object_ref (view->last_crossing_window); gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); gtk_main_do_event (xg_event); gdk_event_free (xg_event); xw_notify_virtual_upwards_until (view, view->last_crossing_window, gdk_window_get_parent (toplevel), toplevel, state, x, y, time, GDK_LEAVE_NOTIFY, false, exit_crossing); retention_flag = true; } g_signal_handler_disconnect (view->last_crossing_window, view->last_crossing_cursor_signal); g_clear_pointer (&view->last_crossing_window, g_object_unref); } last_crossing = view->last_crossing_window; if (!last_crossing) { if (current_window) { view->last_crossing_window = g_object_ref (current_window); xw_update_cursor_for_view (view, current_window); view->last_crossing_cursor_signal = g_signal_connect (G_OBJECT (current_window), "notify::cursor", G_CALLBACK (xw_last_crossing_cursor_cb), view); xw_notify_virtual_downwards_until (view, current_window, toplevel, toplevel, state, x, y, time, GDK_ENTER_NOTIFY, false, entry_crossing); } return retention_flag; } if (last_crossing != current_window) { view->last_crossing_window = g_object_ref (current_window); g_signal_handler_disconnect (last_crossing, view->last_crossing_cursor_signal); xw_update_cursor_for_view (view, current_window); view->last_crossing_cursor_signal = g_signal_connect (G_OBJECT (current_window), "notify::cursor", G_CALLBACK (xw_last_crossing_cursor_cb), view); ancestor = xw_find_common_ancestor (last_crossing, current_window, toplevel); if (!ancestor) emacs_abort (); nonlinear_p = (last_crossing != ancestor) && (current_window != ancestor); if (nonlinear_p || (last_crossing != ancestor)) xw_notify_virtual_upwards_until (view, last_crossing, ancestor, toplevel, state, x, y, time, GDK_LEAVE_NOTIFY, nonlinear_p, exit_crossing); xg_event = gdk_event_new (GDK_LEAVE_NOTIFY); gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); window_coords_from_toplevel (last_crossing, toplevel, x, y, &cx, &cy); xg_event->crossing.x = cx; xg_event->crossing.y = cy; xg_event->crossing.time = time; xg_event->crossing.focus = FALSE; xg_event->crossing.state = state; xg_event->crossing.detail = (nonlinear_p ? GDK_NOTIFY_NONLINEAR : (last_crossing == ancestor ? GDK_NOTIFY_INFERIOR : GDK_NOTIFY_ANCESTOR)); xg_event->crossing.mode = exit_crossing; xg_event->crossing.window = g_object_ref (last_crossing); gtk_main_do_event (xg_event); gdk_event_free (xg_event); if (nonlinear_p || (current_window != ancestor)) xw_notify_virtual_downwards_until (view, current_window, ancestor, toplevel, state, x, y, time, GDK_ENTER_NOTIFY, nonlinear_p, entry_crossing); xg_event = gdk_event_new (GDK_ENTER_NOTIFY); gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); window_coords_from_toplevel (current_window, toplevel, x, y, &cx, &cy); xg_event->crossing.x = cx; xg_event->crossing.y = cy; xg_event->crossing.time = time; xg_event->crossing.focus = FALSE; xg_event->crossing.state = state; xg_event->crossing.detail = (nonlinear_p ? GDK_NOTIFY_NONLINEAR : (current_window == ancestor ? GDK_NOTIFY_INFERIOR : GDK_NOTIFY_ANCESTOR)); xg_event->crossing.mode = entry_crossing; xg_event->crossing.window = g_object_ref (current_window); gtk_main_do_event (xg_event); gdk_event_free (xg_event); g_object_unref (last_crossing); return true; } return false; } void xwidget_motion_or_crossing (struct xwidget_view *view, const XEvent *event) { GdkEvent *xg_event; struct xwidget *model = XXWIDGET (view->model); int x, y, toplevel_x, toplevel_y; GtkWidget *target; #ifdef HAVE_XINPUT2 XIEnterEvent *xev = NULL; #endif if (NILP (model->buffer)) return; #ifdef HAVE_XINPUT2 if (event->type != GenericEvent) #endif { xg_event = gdk_event_new (event->type == MotionNotify ? GDK_MOTION_NOTIFY : (event->type == LeaveNotify ? GDK_LEAVE_NOTIFY : GDK_ENTER_NOTIFY)); toplevel_x = (event->type == MotionNotify ? event->xmotion.x + view->clip_left : event->xcrossing.x + view->clip_left); toplevel_y = (event->type == MotionNotify ? event->xmotion.y + view->clip_top : event->xcrossing.y + view->clip_top); target = find_widget_at_pos (model->widgetwindow_osr, toplevel_x, toplevel_y, &x, &y, true, view); } #ifdef HAVE_XINPUT2 else { eassert (event->xcookie.evtype == XI_Enter || event->xcookie.evtype == XI_Leave); xev = (XIEnterEvent *) event->xcookie.data; xg_event = gdk_event_new (event->type == XI_Enter ? GDK_ENTER_NOTIFY : GDK_LEAVE_NOTIFY); target = find_widget_at_pos (model->widgetwindow_osr, (toplevel_x = lrint (xev->event_x + view->clip_left)), (toplevel_y = lrint (xev->event_y + view->clip_top)), &x, &y, true, view); } #endif 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. */ if (event->type == MotionNotify) { if (!xw_maybe_synthesize_crossing (view, xg_event->any.window, toplevel_x, toplevel_y, XW_CROSSING_NONE, event->xmotion.time, event->xmotion.state, (view->passive_grab ? GDK_CROSSING_GRAB : GDK_CROSSING_NORMAL), GDK_CROSSING_NORMAL)) { xg_event->motion.x = x; xg_event->motion.y = y; xg_event->motion.x_root = event->xmotion.x_root; xg_event->motion.y_root = event->xmotion.y_root; xg_event->motion.time = event->xmotion.time; xg_event->motion.state = event->xmotion.state; xg_event->motion.device = find_suitable_pointer (view->frame, false); } else { gdk_event_free (xg_event); return; } } #ifdef HAVE_XINPUT2 else if (event->type == GenericEvent) { xg_event->crossing.x = x; xg_event->crossing.y = y; xg_event->crossing.x_root = (gdouble) xev->root_x; xg_event->crossing.y_root = (gdouble) xev->root_y; xg_event->crossing.time = xev->time; xg_event->crossing.focus = xev->focus; xg_event->crossing.mode = xev->mode; xg_event->crossing.detail = xi_translate_notify_detail (xev->detail); xg_event->crossing.state = xev->mods.effective; if (xev->buttons.mask_len) { if (XIMaskIsSet (xev->buttons.mask, 1)) xg_event->crossing.state |= GDK_BUTTON1_MASK; if (XIMaskIsSet (xev->buttons.mask, 2)) xg_event->crossing.state |= GDK_BUTTON2_MASK; if (XIMaskIsSet (xev->buttons.mask, 3)) xg_event->crossing.state |= GDK_BUTTON3_MASK; } if (view->passive_grab || xw_maybe_synthesize_crossing (view, xg_event->any.window, toplevel_x, toplevel_y, (xev->type == XI_Enter ? XW_CROSSING_ENTERED : XW_CROSSING_LEFT), xev->time, xg_event->crossing.state, (view->passive_grab ? GDK_CROSSING_GRAB : GDK_CROSSING_NORMAL), GDK_CROSSING_NORMAL)) { gdk_event_free (xg_event); return; } gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); } #endif else { if (view->passive_grab || xw_maybe_synthesize_crossing (view, xg_event->any.window, toplevel_x, toplevel_y, (event->type == EnterNotify ? XW_CROSSING_ENTERED : XW_CROSSING_LEFT), event->xcrossing.time, event->xcrossing.state, (view->passive_grab ? GDK_CROSSING_GRAB : GDK_CROSSING_NORMAL), GDK_CROSSING_NORMAL)) { gdk_event_free (xg_event); return; } xg_event->crossing.detail = min (5, event->xcrossing.detail); xg_event->crossing.time = event->xcrossing.time; xg_event->crossing.x = x; xg_event->crossing.y = y; xg_event->crossing.x_root = event->xcrossing.x_root; xg_event->crossing.y_root = event->xcrossing.y_root; xg_event->crossing.focus = event->xcrossing.focus; gdk_event_set_device (xg_event, find_suitable_pointer (view->frame, false)); } gtk_main_do_event (xg_event); gdk_event_free (xg_event); } #endif /* HAVE_X_WINDOWS */ static void synthesize_focus_in_event (GtkWidget *offscreen_window) { GdkWindow *wnd; GdkEvent *focus_event; if (!gtk_widget_get_realized (offscreen_window)) gtk_widget_realize (offscreen_window); wnd = gtk_widget_get_window (offscreen_window); focus_event = gdk_event_new (GDK_FOCUS_CHANGE); focus_event->focus_change.window = wnd; focus_event->focus_change.in = TRUE; if (FRAME_WINDOW_P (SELECTED_FRAME ())) gdk_event_set_device (focus_event, find_suitable_pointer (SELECTED_FRAME (), false)); g_object_ref (wnd); gtk_main_do_event (focus_event); gdk_event_free (focus_event); } #ifdef HAVE_X_WINDOWS struct xwidget_view * xwidget_view_from_window (Window wdesc) { Lisp_Object key = make_fixnum (wdesc); Lisp_Object xwv = Fgethash (key, x_window_to_xwv_map, Qnil); if (NILP (xwv)) return NULL; return XXWIDGET_VIEW (xwv); } #endif static void xwidget_show_view (struct xwidget_view *xv) { xv->hidden = false; #ifdef HAVE_X_WINDOWS XMoveWindow (xv->dpy, xv->wdesc, xv->x + xv->clip_left, xv->y + xv->clip_top); XMapWindow (xv->dpy, xv->wdesc); XFlush (xv->dpy); #else gtk_fixed_move (GTK_FIXED (FRAME_GTK_WIDGET (xv->frame)), xv->widget, xv->x + xv->clip_left, xv->y + xv->clip_top); gtk_widget_show_all (xv->widget); #endif } /* Hide an xwidget view. */ static void xwidget_hide_view (struct xwidget_view *xv) { xv->hidden = true; #ifdef HAVE_X_WINDOWS XUnmapWindow (xv->dpy, xv->wdesc); XFlush (xv->dpy); #else gtk_widget_hide (xv->widget); #endif } #ifndef HAVE_PGTK static void xv_do_draw (struct xwidget_view *xw, struct xwidget *w) { GtkOffscreenWindow *wnd; cairo_surface_t *surface; if (xw->just_resized) return; if (NILP (w->buffer)) { XClearWindow (xw->dpy, xw->wdesc); return; } block_input (); wnd = GTK_OFFSCREEN_WINDOW (w->widgetwindow_osr); surface = gtk_offscreen_window_get_surface (wnd); cairo_save (xw->cr_context); if (surface) { cairo_translate (xw->cr_context, -xw->clip_left, -xw->clip_top); cairo_set_source_surface (xw->cr_context, surface, 0, 0); cairo_set_operator (xw->cr_context, CAIRO_OPERATOR_SOURCE); cairo_paint (xw->cr_context); } cairo_restore (xw->cr_context); unblock_input (); } #else static void xwidget_view_draw_cb (GtkWidget *widget, cairo_t *cr, gpointer data) { struct xwidget_view *view = data; struct xwidget *w = XXWIDGET (view->model); GtkOffscreenWindow *wnd; cairo_surface_t *surface; if (NILP (w->buffer)) return; block_input (); wnd = GTK_OFFSCREEN_WINDOW (w->widgetwindow_osr); surface = gtk_offscreen_window_get_surface (wnd); cairo_save (cr); if (surface) { cairo_translate (cr, -view->clip_left, -view->clip_top); cairo_set_source_surface (cr, surface, 0, 0); cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); cairo_paint (cr); } cairo_restore (cr); unblock_input (); } #endif /* When the off-screen webkit master view changes this signal is called. It copies the bitmap from the off-screen instance. */ static gboolean offscreen_damage_event (GtkWidget *widget, GdkEvent *event, gpointer xwidget) { block_input (); for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { if (XWIDGET_VIEW_P (XCAR (tail))) { struct xwidget_view *view = XXWIDGET_VIEW (XCAR (tail)); #ifdef HAVE_X_WINDOWS if (view->wdesc && XXWIDGET (view->model) == xwidget) xv_do_draw (view, XXWIDGET (view->model)); #else gtk_widget_queue_draw (view->widget); #endif } } unblock_input (); return FALSE; } #ifdef HAVE_X_WINDOWS void xwidget_expose (struct xwidget_view *xv) { struct xwidget *xw = XXWIDGET (xv->model); xv_do_draw (xv, xw); } #endif #endif /* USE_GTK */ void store_xwidget_event_string (struct xwidget *xw, const char *eventname, const char *eventstr) { struct input_event event; Lisp_Object xwl; XSETXWIDGET (xwl, xw); EVENT_INIT (event); event.kind = XWIDGET_EVENT; event.frame_or_window = Qnil; event.arg = list3 (intern (eventname), xwl, build_string (eventstr)); kbd_buffer_store_event (&event); } void store_xwidget_download_callback_event (struct xwidget *xw, const char *url, const char *mimetype, const char *filename) { struct input_event event; Lisp_Object xwl; XSETXWIDGET (xwl, xw); EVENT_INIT (event); event.kind = XWIDGET_EVENT; event.frame_or_window = Qnil; event.arg = list5 (intern ("download-callback"), xwl, build_string (url), build_string (mimetype), build_string (filename)); kbd_buffer_store_event (&event); } void store_xwidget_js_callback_event (struct xwidget *xw, Lisp_Object proc, Lisp_Object argument) { struct input_event event; Lisp_Object xwl; XSETXWIDGET (xwl, xw); EVENT_INIT (event); event.kind = XWIDGET_EVENT; event.frame_or_window = Qnil; event.arg = list4 (intern ("javascript-callback"), xwl, proc, argument); kbd_buffer_store_event (&event); } void store_xwidget_script_message_event (struct xwidget *xw, const char *name, Lisp_Object body) { struct input_event event; Lisp_Object xwl; XSETXWIDGET (xwl, xw); EVENT_INIT (event); event.kind = XWIDGET_EVENT; event.frame_or_window = Qnil; event.arg = list4 (Qscript_message, xwl, build_string (name), body); kbd_buffer_store_event (&event); } #ifdef USE_GTK static void store_xwidget_display_event (struct xwidget *xw, struct xwidget *src) { struct input_event evt; Lisp_Object val, src_val; XSETXWIDGET (val, xw); XSETXWIDGET (src_val, src); EVENT_INIT (evt); evt.kind = XWIDGET_DISPLAY_EVENT; evt.frame_or_window = Qnil; evt.arg = list2 (val, src_val); kbd_buffer_store_event (&evt); } static void webkit_ready_to_show (WebKitWebView *new_view, gpointer user_data) { Lisp_Object tem; struct xwidget *xw; struct xwidget *src; src = find_xwidget_for_offscreen_window (GDK_WINDOW (user_data)); for (tem = internal_xwidget_list; CONSP (tem); tem = XCDR (tem)) { if (XWIDGETP (XCAR (tem))) { xw = XXWIDGET (XCAR (tem)); if (EQ (xw->type, Qwebkit) && WEBKIT_WEB_VIEW (xw->widget_osr) == new_view) { /* The source widget was destroyed before we had a chance to display the new widget. */ if (!src) kill_xwidget (xw); else store_xwidget_display_event (xw, src); } } } } static GtkWidget * webkit_create_cb_1 (WebKitWebView *webview, struct xwidget *xv) { Lisp_Object related; Lisp_Object xwidget; GtkWidget *widget; XSETXWIDGET (related, xv); xwidget = Fmake_xwidget (Qwebkit, Qnil, make_fixnum (0), make_fixnum (0), Qnil, build_string (" *detached xwidget buffer*"), related); if (NILP (xwidget)) return NULL; widget = XXWIDGET (xwidget)->widget_osr; g_signal_connect (G_OBJECT (widget), "ready-to-show", G_CALLBACK (webkit_ready_to_show), gtk_widget_get_window (xv->widgetwindow_osr)); return widget; } static GtkWidget * webkit_create_cb (WebKitWebView *webview, WebKitNavigationAction *nav_action, gpointer user_data) { switch (webkit_navigation_action_get_navigation_type (nav_action)) { case WEBKIT_NAVIGATION_TYPE_OTHER: return webkit_create_cb_1 (webview, user_data); case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: case WEBKIT_NAVIGATION_TYPE_RELOAD: case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: default: return NULL; } } void webkit_view_load_changed_cb (WebKitWebView *webkitwebview, WebKitLoadEvent load_event, gpointer data) { struct xwidget *xw = g_object_get_data (G_OBJECT (webkitwebview), XG_XWIDGET); switch (load_event) { case WEBKIT_LOAD_FINISHED: store_xwidget_event_string (xw, "load-changed", "load-finished"); break; case WEBKIT_LOAD_STARTED: store_xwidget_event_string (xw, "load-changed", "load-started"); break; case WEBKIT_LOAD_REDIRECTED: store_xwidget_event_string (xw, "load-changed", "load-redirected"); break; case WEBKIT_LOAD_COMMITTED: store_xwidget_event_string (xw, "load-changed", "load-committed"); break; } } /* Recursively convert a JavaScript value to a Lisp value. */ static Lisp_Object webkit_js_to_lisp (JSCValue *value) { if (jsc_value_is_string (value)) { gchar *str_value = jsc_value_to_string (value); Lisp_Object ret = build_string (str_value); g_free (str_value); return ret; } else if (jsc_value_is_boolean (value)) { return (jsc_value_to_boolean (value)) ? Qt : Qnil; } else if (jsc_value_is_number (value)) { return make_fixnum (jsc_value_to_int32 (value)); } else if (jsc_value_is_array (value)) { JSCValue *len = jsc_value_object_get_property (value, "length"); const gint32 dlen = jsc_value_to_int32 (len); Lisp_Object obj; if (! (0 <= dlen && dlen < G_MAXINT32)) memory_full (SIZE_MAX); ptrdiff_t n = dlen; struct Lisp_Vector *p = allocate_nil_vector (n); for (ptrdiff_t i = 0; i < n; ++i) { p->contents[i] = webkit_js_to_lisp (jsc_value_object_get_property_at_index (value, i)); } XSETVECTOR (obj, p); return obj; } else if (jsc_value_is_object (value)) { char **properties_names = jsc_value_object_enumerate_properties (value); guint n = g_strv_length (properties_names); Lisp_Object obj; if (PTRDIFF_MAX < n) memory_full (n); struct Lisp_Vector *p = allocate_nil_vector (n); for (ptrdiff_t i = 0; i < n; ++i) { const char *name = properties_names[i]; JSCValue *property = jsc_value_object_get_property (value, name); p->contents[i] = Fcons (build_string (name), webkit_js_to_lisp (property)); } g_strfreev (properties_names); XSETVECTOR (obj, p); return obj; } return Qnil; } static void webkit_javascript_finished_cb (GObject *webview, GAsyncResult *result, gpointer arg) { GError *error = NULL; struct xwidget *xw = g_object_get_data (G_OBJECT (webview), XG_XWIDGET); ptrdiff_t script_idx = (intptr_t) arg; Lisp_Object script_callback = AREF (xw->script_callbacks, script_idx); ASET (xw->script_callbacks, script_idx, Qnil); if (!NILP (script_callback)) xfree (xmint_pointer (XCAR (script_callback))); WebKitJavascriptResult *js_result = webkit_web_view_run_javascript_finish (WEBKIT_WEB_VIEW (webview), result, &error); if (!js_result) { if (error) g_error_free (error); return; } if (!NILP (script_callback) && !NILP (XCDR (script_callback))) { JSCValue *value = webkit_javascript_result_get_js_value (js_result); Lisp_Object lisp_value = webkit_js_to_lisp (value); /* Register an xwidget event here, which then runs the callback. This ensures that the callback runs in sync with the Emacs event loop. */ store_xwidget_js_callback_event (xw, XCDR (script_callback), lisp_value); } webkit_javascript_result_unref (js_result); } gboolean webkit_download_cb (WebKitWebContext *webkitwebcontext, WebKitDownload *arg1, gpointer data) { WebKitWebView *view = webkit_download_get_web_view(arg1); WebKitURIRequest *request = webkit_download_get_request(arg1); struct xwidget *xw = g_object_get_data (G_OBJECT (view), XG_XWIDGET); store_xwidget_event_string (xw, "download-started", webkit_uri_request_get_uri(request)); return FALSE; } static gboolean webkit_decide_policy_cb (WebKitWebView *webView, WebKitPolicyDecision *decision, WebKitPolicyDecisionType type, gpointer user_data) { switch (type) { case WEBKIT_POLICY_DECISION_TYPE_RESPONSE: /* This function makes webkit send a download signal for all unknown mime types. TODO: Defer the decision to Lisp, so that it's possible to make Emacs handle mime text for instance. */ { WebKitResponsePolicyDecision *response = WEBKIT_RESPONSE_POLICY_DECISION (decision); if (!webkit_response_policy_decision_is_mime_type_supported (response)) { webkit_policy_decision_download (decision); return TRUE; } else return FALSE; break; } case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION: { WebKitNavigationPolicyDecision *navigation_decision = WEBKIT_NAVIGATION_POLICY_DECISION (decision); WebKitNavigationAction *navigation_action = webkit_navigation_policy_decision_get_navigation_action (navigation_decision); WebKitURIRequest *request = webkit_navigation_action_get_request (navigation_action); WebKitWebView *newview; struct xwidget *xw = g_object_get_data (G_OBJECT (webView), XG_XWIDGET); Lisp_Object val, new_xwidget; XSETXWIDGET (val, xw); new_xwidget = Fmake_xwidget (Qwebkit, Qnil, make_fixnum (0), make_fixnum (0), Qnil, build_string (" *detached xwidget buffer*"), val); if (NILP (new_xwidget)) return FALSE; newview = WEBKIT_WEB_VIEW (XXWIDGET (new_xwidget)->widget_osr); webkit_web_view_load_request (newview, request); store_xwidget_display_event (XXWIDGET (new_xwidget), xw); return TRUE; } case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION: { WebKitNavigationPolicyDecision *navigation_decision = WEBKIT_NAVIGATION_POLICY_DECISION (decision); WebKitNavigationAction *navigation_action = webkit_navigation_policy_decision_get_navigation_action (navigation_decision); WebKitURIRequest *request = webkit_navigation_action_get_request (navigation_action); struct xwidget *xw = g_object_get_data (G_OBJECT (webView), XG_XWIDGET); store_xwidget_event_string (xw, "decide-policy", webkit_uri_request_get_uri (request)); return FALSE; break; } default: return FALSE; } } static void webkit_script_message_cb (WebKitUserContentManager *manager, WebKitJavascriptResult *js_result, gpointer data) { struct xwidget *xw = g_object_get_data (G_OBJECT (manager), XG_XWIDGET); JSCValue *value = webkit_javascript_result_get_js_value (js_result); const char *arg = data; Lisp_Object lisp_value = webkit_js_to_lisp (value); store_xwidget_script_message_event (xw, arg, lisp_value); webkit_javascript_result_unref (js_result); } static gboolean webkit_script_dialog_cb (WebKitWebView *webview, WebKitScriptDialog *script_dialog, gpointer user) { struct frame *f = SELECTED_FRAME (); WebKitScriptDialogType type; GtkWidget *widget; GtkWidget *dialog; GtkWidget *entry; GtkWidget *content_area; GtkWidget *box; GtkWidget *label; const gchar *content; const gchar *message; gint result; /* Return TRUE to prevent WebKit from showing the default script dialog in the offscreen window, which runs a nested main loop Emacs can't respond to, and as such can't pass X events to. */ if (!FRAME_WINDOW_P (f)) return TRUE; type = webkit_script_dialog_get_dialog_type (script_dialog);; widget = FRAME_GTK_OUTER_WIDGET (f); content = webkit_script_dialog_get_message (script_dialog); if (type == WEBKIT_SCRIPT_DIALOG_ALERT) dialog = gtk_dialog_new_with_buttons ("Alert", GTK_WINDOW (widget), GTK_DIALOG_MODAL, "Dismiss", 1, NULL); else dialog = gtk_dialog_new_with_buttons ("Question", GTK_WINDOW (widget), GTK_DIALOG_MODAL, "OK", 0, "Cancel", 1, NULL); box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8); label = gtk_label_new (content); content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog)); gtk_container_add (GTK_CONTAINER (content_area), box); gtk_widget_show (box); gtk_widget_show (label); gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0); if (type == WEBKIT_SCRIPT_DIALOG_PROMPT) { entry = gtk_entry_new (); message = webkit_script_dialog_prompt_get_default_text (script_dialog); gtk_widget_show (entry); gtk_entry_set_text (GTK_ENTRY (entry), message); gtk_box_pack_end (GTK_BOX (box), entry, TRUE, TRUE, 0); } result = gtk_dialog_run (GTK_DIALOG (dialog)); if (type == WEBKIT_SCRIPT_DIALOG_CONFIRM || type == WEBKIT_SCRIPT_DIALOG_BEFORE_UNLOAD_CONFIRM) webkit_script_dialog_confirm_set_confirmed (script_dialog, result == 0); if (type == WEBKIT_SCRIPT_DIALOG_PROMPT) webkit_script_dialog_prompt_set_text (script_dialog, gtk_entry_get_text (GTK_ENTRY (entry))); gtk_widget_destroy (GTK_WIDGET (dialog)); return TRUE; } #endif /* USE_GTK */ /* Initializes and does initial placement of an xwidget view on screen. */ static struct xwidget_view * xwidget_init_view (struct xwidget *xww, struct glyph_string *s, int x, int y) { #ifdef USE_GTK if (!xg_gtk_initialized) error ("xwidget_init_view: GTK has not been initialized"); #endif struct xwidget_view *xv = allocate_xwidget_view (); Lisp_Object val; XSETXWIDGET_VIEW (val, xv); internal_xwidget_view_list = Fcons (val, internal_xwidget_view_list); Vxwidget_view_list = Fcopy_sequence (internal_xwidget_view_list); XSETWINDOW (xv->w, s->w); XSETXWIDGET (xv->model, xww); #ifdef HAVE_X_WINDOWS xv->dpy = FRAME_X_DISPLAY (s->f); xv->x = x; xv->y = y; xv->clip_left = 0; xv->clip_right = xww->width; xv->clip_top = 0; xv->clip_bottom = xww->height; xv->wdesc = None; xv->frame = s->f; xv->cursor = FRAME_OUTPUT_DATA (s->f)->nontext_cursor; xv->just_resized = false; xv->last_crossing_window = NULL; xv->passive_grab = NULL; #elif defined HAVE_PGTK xv->dpyinfo = FRAME_DISPLAY_INFO (s->f); xv->widget = gtk_drawing_area_new (); gtk_widget_set_app_paintable (xv->widget, TRUE); gtk_widget_add_events (xv->widget, GDK_ALL_EVENTS_MASK); gtk_container_add (GTK_CONTAINER (FRAME_GTK_WIDGET (s->f)), xv->widget); g_signal_connect (xv->widget, "draw", G_CALLBACK (xwidget_view_draw_cb), xv); g_signal_connect (xv->widget, "event", G_CALLBACK (xw_forward_event_from_view), xv); g_object_set_data (G_OBJECT (xv->widget), XG_XWIDGET_VIEW, xv); xv->x = x; xv->y = y; xv->clip_left = 0; xv->clip_right = xww->width; xv->clip_top = 0; xv->clip_bottom = xww->height; xv->frame = s->f; xv->cursor = cursor_for_hit (xww->hit_result, s->f); xv->just_resized = false; #elif defined NS_IMPL_COCOA nsxwidget_init_view (xv, xww, s, x, y); nsxwidget_resize_view(xv, xww->width, xww->height); #endif return xv; } void x_draw_xwidget_glyph_string (struct glyph_string *s) { /* This method is called by the redisplay engine and places the xwidget on screen. Moving and clipping is done here. Also view initialization. */ struct xwidget *xww = s->xwidget; struct xwidget_view *xv = xwidget_view_lookup (xww, s->w); int text_area_x, text_area_y, text_area_width, text_area_height; int clip_right; int clip_bottom; int clip_top; int clip_left; int x = s->x; int y = s->y + (s->height / 2) - (xww->height / 2); /* Do initialization here in the display loop because there is no other time to know things like window placement etc. Do not create a new view if we have found one that is usable. */ #ifdef USE_GTK if (!xv) xv = xwidget_init_view (xww, s, x, y); xv->just_resized = false; #elif defined NS_IMPL_COCOA if (!xv) { /* Enforce 1 to 1, model and view for macOS Cocoa webkit2. */ if (xww->xv) { if (xwidget_hidden (xww->xv)) { Lisp_Object xvl; XSETXWIDGET_VIEW (xvl, xww->xv); Fdelete_xwidget_view (xvl); } else { message ("You can't share an xwidget (webkit2) among windows."); return; } } xv = xwidget_init_view (xww, s, x, y); } #endif xv->area = s->area; window_box (s->w, xv->area, &text_area_x, &text_area_y, &text_area_width, &text_area_height); clip_left = max (0, text_area_x - x); clip_right = max (clip_left, min (xww->width, text_area_x + text_area_width - x)); clip_top = max (0, text_area_y - y); clip_bottom = max (clip_top, min (xww->height, text_area_y + text_area_height - y)); /* We are concerned with movement of the onscreen area. The area might sit still when the widget actually moves. This happens when an Emacs window border moves across a widget window. So, if any corner of the outer widget clipping window moves, that counts as movement here, even if it looks like no movement happens because the widget sits still inside the clipping area. The widget can also move inside the clipping area, which happens later. */ bool moved = (xv->x + xv->clip_left != x + clip_left || xv->y + xv->clip_top != y + clip_top); #ifdef HAVE_X_WINDOWS bool wdesc_was_none = xv->wdesc == None; #endif xv->x = x; xv->y = y; #ifdef HAVE_X_WINDOWS block_input (); if (xv->wdesc == None) { Lisp_Object xvw; XSETXWIDGET_VIEW (xvw, xv); XSetWindowAttributes a; a.event_mask = (ExposureMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask); if (clip_right - clip_left <= 0 || clip_bottom - clip_top <= 0) { unblock_input (); return; } xv->wdesc = XCreateWindow (xv->dpy, FRAME_X_WINDOW (s->f), x + clip_left, y + clip_top, clip_right - clip_left, clip_bottom - clip_top, 0, CopyFromParent, CopyFromParent, CopyFromParent, CWEventMask, &a); #ifdef HAVE_XINPUT2 XIEventMask mask; ptrdiff_t l = XIMaskLen (XI_LASTEVENT); unsigned char *m; if (FRAME_DISPLAY_INFO (s->f)->supports_xi2) { mask.mask = m = alloca (l); memset (m, 0, l); mask.mask_len = l; mask.deviceid = XIAllMasterDevices; XISetMask (m, XI_Motion); XISetMask (m, XI_ButtonPress); XISetMask (m, XI_ButtonRelease); XISetMask (m, XI_Enter); XISetMask (m, XI_Leave); #ifdef HAVE_XINPUT2_4 if (FRAME_DISPLAY_INFO (s->f)->xi2_version >= 4) { XISetMask (m, XI_GesturePinchBegin); XISetMask (m, XI_GesturePinchUpdate); XISetMask (m, XI_GesturePinchEnd); } #endif XISelectEvents (xv->dpy, xv->wdesc, &mask, 1); } #endif XLowerWindow (xv->dpy, xv->wdesc); XDefineCursor (xv->dpy, xv->wdesc, xv->cursor); xv->cr_surface = cairo_xlib_surface_create (xv->dpy, xv->wdesc, FRAME_DISPLAY_INFO (s->f)->visual, clip_right - clip_left, clip_bottom - clip_top); xv->cr_context = cairo_create (xv->cr_surface); Fputhash (make_fixnum (xv->wdesc), xvw, x_window_to_xwv_map); moved = false; } #endif #ifdef HAVE_PGTK block_input (); #endif /* Has it moved? */ if (moved) { #ifdef HAVE_X_WINDOWS XMoveResizeWindow (xv->dpy, xv->wdesc, x + clip_left, y + clip_top, clip_right - clip_left, clip_bottom - clip_top); XFlush (xv->dpy); cairo_xlib_surface_set_size (xv->cr_surface, clip_right - clip_left, clip_bottom - clip_top); #elif defined HAVE_PGTK gtk_widget_set_size_request (xv->widget, clip_right - clip_left, clip_bottom - clip_top); gtk_fixed_move (GTK_FIXED (FRAME_GTK_WIDGET (xv->frame)), xv->widget, x + clip_left, y + clip_top); gtk_widget_queue_allocate (xv->widget); #elif defined NS_IMPL_COCOA nsxwidget_move_view (xv, x + clip_left, y + clip_top); #endif } /* Clip the widget window if some parts happen to be outside drawable area. An Emacs window is not a gtk window. A gtk window covers the entire frame. Clipping might have changed even if we haven't actually moved; try to figure out when we need to reclip for real. */ #ifndef HAVE_PGTK if (xv->clip_right != clip_right || xv->clip_bottom != clip_bottom || xv->clip_top != clip_top || xv->clip_left != clip_left) #endif { #ifdef USE_GTK #ifdef HAVE_X_WINDOWS if (!wdesc_was_none && !moved) { if (clip_right - clip_left <= 0 || clip_bottom - clip_top <= 0) { XUnmapWindow (xv->dpy, xv->wdesc); xv->hidden = true; } else { XResizeWindow (xv->dpy, xv->wdesc, clip_right - clip_left, clip_bottom - clip_top); } XFlush (xv->dpy); cairo_xlib_surface_set_size (xv->cr_surface, clip_right - clip_left, clip_bottom - clip_top); } #else gtk_widget_set_size_request (xv->widget, clip_right - clip_left, clip_bottom - clip_top); gtk_fixed_move (GTK_FIXED (FRAME_GTK_WIDGET (xv->frame)), xv->widget, x + clip_left, y + clip_top); gtk_widget_queue_allocate (xv->widget); #endif #elif defined NS_IMPL_COCOA nsxwidget_resize_view (xv, clip_right - clip_left, clip_bottom - clip_top); nsxwidget_move_widget_in_view (xv, -clip_left, -clip_top); #endif xv->clip_right = clip_right; xv->clip_bottom = clip_bottom; xv->clip_top = clip_top; xv->clip_left = clip_left; } /* If emacs wants to repaint the area where the widget lives, queue a redraw. It seems its possible to get out of sync with emacs redraws so emacs background sometimes shows up instead of the xwidgets background. It's just a visual glitch though. */ /* When xww->buffer is nil, that means the xwidget has been killed. */ if (!NILP (xww->buffer)) { if (!xwidget_hidden (xv)) { #ifdef USE_GTK gtk_widget_queue_draw (xww->widget_osr); #elif defined NS_IMPL_COCOA nsxwidget_set_needsdisplay (xv); #endif } } #ifdef HAVE_X_WINDOWS else { XSetWindowBackground (xv->dpy, xv->wdesc, FRAME_BACKGROUND_PIXEL (s->f)); } #endif #if defined HAVE_XINPUT2 || defined HAVE_PGTK if (!NILP (xww->buffer)) { record_osr_embedder (xv); synthesize_focus_in_event (xww->widget_osr); } #endif #ifdef USE_GTK unblock_input (); #endif } #define CHECK_WEBKIT_WIDGET(xw) \ if (NILP (xw->buffer) || !EQ (xw->type, Qwebkit)) \ error ("Not a WebKit widget") /* Macro that checks xwidget hold webkit web view first. */ #define WEBKIT_FN_INIT() \ CHECK_LIVE_XWIDGET (xwidget); \ struct xwidget *xw = XXWIDGET (xwidget); \ CHECK_WEBKIT_WIDGET (xw) DEFUN ("xwidget-webkit-uri", Fxwidget_webkit_uri, Sxwidget_webkit_uri, 1, 1, 0, doc: /* Get the current URL of XWIDGET webkit. */) (Lisp_Object xwidget) { WEBKIT_FN_INIT (); #ifdef USE_GTK WebKitWebView *wkwv = WEBKIT_WEB_VIEW (xw->widget_osr); const gchar *uri = webkit_web_view_get_uri (wkwv); if (!uri) return build_string (""); return build_string (uri); #elif defined NS_IMPL_COCOA return nsxwidget_webkit_uri (xw); #endif } DEFUN ("xwidget-webkit-title", Fxwidget_webkit_title, Sxwidget_webkit_title, 1, 1, 0, doc: /* Get the current title of XWIDGET webkit. */) (Lisp_Object xwidget) { WEBKIT_FN_INIT (); #ifdef USE_GTK WebKitWebView *wkwv = WEBKIT_WEB_VIEW (xw->widget_osr); const gchar *title = webkit_web_view_get_title (wkwv); return build_string (title ? title : ""); #elif defined NS_IMPL_COCOA return nsxwidget_webkit_title (xw); #endif } DEFUN ("xwidget-webkit-goto-uri", Fxwidget_webkit_goto_uri, Sxwidget_webkit_goto_uri, 2, 2, 0, doc: /* Make the xwidget webkit instance referenced by XWIDGET browse URI. */) (Lisp_Object xwidget, Lisp_Object uri) { WEBKIT_FN_INIT (); CHECK_STRING (uri); uri = ENCODE_FILE (uri); #ifdef USE_GTK webkit_web_view_load_uri (WEBKIT_WEB_VIEW (xw->widget_osr), SSDATA (uri)); catch_child_signal (); #elif defined NS_IMPL_COCOA nsxwidget_webkit_goto_uri (xw, SSDATA (uri)); #endif return Qnil; } DEFUN ("xwidget-webkit-goto-history", Fxwidget_webkit_goto_history, Sxwidget_webkit_goto_history, 2, 2, 0, doc: /* Make the XWIDGET webkit the REL-POSth element in load history. If REL-POS is 0, the widget will be just reload the current element in history. If REL-POS is more or less than 0, the widget will load the REL-POSth element around the current spot in the load history. */) (Lisp_Object xwidget, Lisp_Object rel_pos) { WEBKIT_FN_INIT (); CHECK_FIXNUM (rel_pos); #ifdef USE_GTK WebKitWebView *wkwv = WEBKIT_WEB_VIEW (xw->widget_osr); WebKitBackForwardList *list; WebKitBackForwardListItem *it; if (XFIXNUM (rel_pos) == 0) webkit_web_view_reload (wkwv); else { list = webkit_web_view_get_back_forward_list (wkwv); it = webkit_back_forward_list_get_nth_item (list, XFIXNUM (rel_pos)); if (!it) error ("There is no item at this index"); webkit_web_view_go_to_back_forward_list_item (wkwv, it); } #elif defined NS_IMPL_COCOA nsxwidget_webkit_goto_history (xw, XFIXNAT (rel_pos)); #endif return Qnil; } DEFUN ("xwidget-webkit-zoom", Fxwidget_webkit_zoom, Sxwidget_webkit_zoom, 2, 2, 0, doc: /* Change the zoom factor of the xwidget webkit instance referenced by XWIDGET. */) (Lisp_Object xwidget, Lisp_Object factor) { WEBKIT_FN_INIT (); if (FLOATP (factor)) { double zoom_change = XFLOAT_DATA (factor); #ifdef USE_GTK webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW (xw->widget_osr), webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (xw->widget_osr)) + zoom_change); #elif defined NS_IMPL_COCOA nsxwidget_webkit_zoom (xw, zoom_change); #endif } return Qnil; } #ifdef USE_GTK /* Save script and fun in the script/callback save vector and return its index. */ static ptrdiff_t save_script_callback (struct xwidget *xw, Lisp_Object script, Lisp_Object fun) { Lisp_Object cbs = xw->script_callbacks; if (NILP (cbs)) xw->script_callbacks = cbs = make_nil_vector (32); /* Find first free index. */ ptrdiff_t idx; for (idx = 0; !NILP (AREF (cbs, idx)); idx++) if (idx + 1 == ASIZE (cbs)) { xw->script_callbacks = cbs = larger_vector (cbs, 1, -1); break; } ASET (cbs, idx, Fcons (make_mint_ptr (xlispstrdup (script)), fun)); return idx; } #endif DEFUN ("xwidget-webkit-execute-script", Fxwidget_webkit_execute_script, Sxwidget_webkit_execute_script, 2, 3, 0, doc: /* Make the Webkit XWIDGET execute JavaScript SCRIPT. If FUN is provided, feed the JavaScript return value to the single argument procedure FUN.*/) (Lisp_Object xwidget, Lisp_Object script, Lisp_Object fun) { WEBKIT_FN_INIT (); CHECK_STRING (script); if (!NILP (fun) && !FUNCTIONP (fun)) wrong_type_argument (Qinvalid_function, fun); script = ENCODE_SYSTEM (script); #ifdef USE_GTK /* Protect script and fun during GC. */ intptr_t idx = save_script_callback (xw, script, fun); /* JavaScript execution happens asynchronously. If an elisp callback function is provided we pass it to the C callback procedure that retrieves the return value. */ gchar *script_string = xmint_pointer (XCAR (AREF (xw->script_callbacks, idx))); webkit_web_view_run_javascript (WEBKIT_WEB_VIEW (xw->widget_osr), script_string, NULL, /* cancelable */ webkit_javascript_finished_cb, (gpointer) idx); #elif defined NS_IMPL_COCOA nsxwidget_webkit_execute_script (xw, SSDATA (script), fun); #endif return Qnil; } DEFUN ("xwidget-webkit-add-user-script", Fxwidget_webkit_add_user_script, Sxwidget_webkit_add_user_script, 4, 4, 0, doc: /* Add the user script SCRIPT to the WebKit XWIDGET. WHEN is one of the following values, and specifies when the script is run: - `start', which means the script is run upon first loading a document. - `end', which means the script is run after a document loads. If MAIN_FRAME_ONLY is nil, SCRIPT is run in all HTML frames. Otherwise, SCRIPT is only run in top-level HTML frames. */) (Lisp_Object xwidget, Lisp_Object script, Lisp_Object when, Lisp_Object main_frame_only) { WEBKIT_FN_INIT (); CHECK_STRING (script); CHECK_SYMBOL (when); script = ENCODE_UTF_8 (script); Bool start; if (EQ (when, Qstart)) start = true; else if (EQ (when, Qend)) start = false; else error ("Unknown Xwidget Webkit user script injection time: %s", SDATA (SYMBOL_NAME (when))); #ifdef USE_GTK WebKitWebView *view = WEBKIT_WEB_VIEW (xw->widget_osr); WebKitUserContentManager *manager = webkit_web_view_get_user_content_manager (view); WebKitUserContentInjectedFrames webkit_injected_frames = (!NILP (main_frame_only)) ? WEBKIT_USER_CONTENT_INJECT_TOP_FRAME : WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES; WebKitUserScriptInjectionTime webkit_injection_time = start ? WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_START : WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_END; WebKitUserScript *user_script = webkit_user_script_new (SSDATA (script), webkit_injected_frames, webkit_injection_time, NULL, NULL); webkit_user_content_manager_add_script (manager, user_script); webkit_user_script_unref (user_script); #elif defined NS_IMPL_COCOA nsxwidget_webkit_add_user_script (xw, SSDATA (script), injection_time_start, mfo); #endif return Qnil; } DEFUN ("xwidget-webkit-remove-all-user-scripts", Fxwidget_webkit_remove_all_user_scripts, Sxwidget_webkit_remove_all_user_scripts, 1, 1, 0, doc: /* Remove all user scripts from WebKit XWIDGET. */) (Lisp_Object xwidget) { WEBKIT_FN_INIT (); #ifdef USE_GTK WebKitWebView *view = WEBKIT_WEB_VIEW (xw->widget_osr); WebKitUserContentManager *manager = webkit_web_view_get_user_content_manager (view); webkit_user_content_manager_remove_all_scripts (manager); #elif defined NS_IMPL_COCOA nsxwidget_webkit_remove_all_user_scripts(xw); #endif return Qnil; } DEFUN ("xwidget-webkit-register-script-message", Fxwidget_webkit_register_script_message, Sxwidget_webkit_register_script_message, 2, 2, 0, doc: /* Register script message with NAME in WebKit XWIDGET. This operation fails if NAME has already been registered for XWIDGET. */) (Lisp_Object xwidget, Lisp_Object name) { WEBKIT_FN_INIT (); CHECK_STRING (name); char *sname = xlispstrdup (name); #ifdef USE_GTK WebKitWebView *view = WEBKIT_WEB_VIEW (xw->widget_osr); WebKitUserContentManager *manager = webkit_web_view_get_user_content_manager (view); USE_SAFE_ALLOCA; gchar *signal_name = SAFE_ALLOCA (strlen ("script-message-received::") + strlen (sname) + 1); stpcpy (stpcpy (signal_name, "script-message-received::"), sname); g_signal_connect_data (manager, signal_name, G_CALLBACK (webkit_script_message_cb), sname, (GClosureNotify) xfree, 0); SAFE_FREE (); if (webkit_user_content_manager_register_script_message_handler (manager, sname)) { g_object_set_data (G_OBJECT (manager), XG_XWIDGET, xw); } else { g_signal_handlers_disconnect_matched (manager, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, sname); error ("Failed to register WebKit script message handler"); } #elif defined NS_IMPL_COCOA nsxwidget_webkit_register_script_message (xw, sname); xfree (sname); #endif return Qnil; } DEFUN ("xwidget-webkit-unregister-script-message", Fxwidget_webkit_unregister_script_message, Sxwidget_webkit_unregister_script_message, 2, 2, 0, doc: /* Unregister script message with NAME in Webkit XWIDGET. */) (Lisp_Object xwidget, Lisp_Object name) { WEBKIT_FN_INIT (); CHECK_STRING (name); USE_SAFE_ALLOCA; char *sname; SAFE_ALLOCA_STRING (sname, name); #ifdef USE_GTK WebKitWebView *view = WEBKIT_WEB_VIEW (xw->widget_osr); WebKitUserContentManager *manager = webkit_web_view_get_user_content_manager (view); webkit_user_content_manager_unregister_script_message_handler (manager, sname); g_signal_handlers_disconnect_matched (manager, G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DETAIL, 0, g_quark_from_string (sname), 0, G_CALLBACK (webkit_script_message_cb), 0); #elif defined NS_IMPL_COCOA nsxwidget_webkit_unregister_script_message(xw, sname); #endif SAFE_FREE(); return Qnil; } DEFUN ("xwidget-resize", Fxwidget_resize, Sxwidget_resize, 3, 3, 0, doc: /* Resize XWIDGET to NEW_WIDTH, NEW_HEIGHT. */ ) (Lisp_Object xwidget, Lisp_Object new_width, Lisp_Object new_height) { CHECK_LIVE_XWIDGET (xwidget); int w = check_integer_range (new_width, 0, INT_MAX); int h = check_integer_range (new_height, 0, INT_MAX); struct xwidget *xw = XXWIDGET (xwidget); xw->width = w; xw->height = h; block_input (); for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { if (XWIDGET_VIEW_P (XCAR (tail))) { struct xwidget_view *xv = XXWIDGET_VIEW (XCAR (tail)); if (XXWIDGET (xv->model) == xw) { #ifdef USE_GTK xv->just_resized = true; SET_FRAME_GARBAGED (xv->frame); #else wset_redisplay (XWINDOW (xv->w)); #endif } } } redisplay (); /* If there is an offscreen widget resize it first. */ #ifdef USE_GTK if (xw->widget_osr) { gtk_window_resize (GTK_WINDOW (xw->widgetwindow_osr), xw->width, xw->height); gtk_widget_set_size_request (GTK_WIDGET (xw->widget_osr), xw->width, xw->height); gtk_widget_queue_allocate (GTK_WIDGET (xw->widget_osr)); } #elif defined NS_IMPL_COCOA nsxwidget_resize (xw); #endif unblock_input (); return Qnil; } DEFUN ("xwidget-size-request", Fxwidget_size_request, Sxwidget_size_request, 1, 1, 0, doc: /* Return the desired size of the XWIDGET. This can be used to read the xwidget desired size, and resizes the Emacs allocated area accordingly. */) (Lisp_Object xwidget) { CHECK_LIVE_XWIDGET (xwidget); #ifdef USE_GTK GtkRequisition requisition; gtk_widget_size_request (XXWIDGET (xwidget)->widget_osr, &requisition); return list2i (requisition.width, requisition.height); #elif defined NS_IMPL_COCOA return nsxwidget_get_size (XXWIDGET (xwidget)); #endif } DEFUN ("xwidgetp", Fxwidgetp, Sxwidgetp, 1, 1, 0, doc: /* Return t if OBJECT is an xwidget. */) (Lisp_Object object) { return XWIDGETP (object) ? Qt : Qnil; } DEFUN ("xwidget-view-p", Fxwidget_view_p, Sxwidget_view_p, 1, 1, 0, doc: /* Return t if OBJECT is an xwidget-view. */) (Lisp_Object object) { return XWIDGET_VIEW_P (object) ? Qt : Qnil; } DEFUN ("xwidget-info", Fxwidget_info, Sxwidget_info, 1, 1, 0, doc: /* Return XWIDGET properties in a vector. Currently [TYPE TITLE WIDTH HEIGHT]. */) (Lisp_Object xwidget) { CHECK_LIVE_XWIDGET (xwidget); struct xwidget *xw = XXWIDGET (xwidget); return CALLN (Fvector, xw->type, xw->title, make_fixed_natnum (xw->width), make_fixed_natnum (xw->height)); } DEFUN ("xwidget-view-info", Fxwidget_view_info, Sxwidget_view_info, 1, 1, 0, doc: /* Return properties of XWIDGET-VIEW in a vector. Currently [X Y CLIP_RIGHT CLIP_BOTTOM CLIP_TOP CLIP_LEFT]. */) (Lisp_Object xwidget_view) { CHECK_XWIDGET_VIEW (xwidget_view); struct xwidget_view *xv = XXWIDGET_VIEW (xwidget_view); return CALLN (Fvector, make_fixnum (xv->x), make_fixnum (xv->y), make_fixnum (xv->clip_right), make_fixnum (xv->clip_bottom), make_fixnum (xv->clip_top), make_fixnum (xv->clip_left)); } DEFUN ("xwidget-view-model", Fxwidget_view_model, Sxwidget_view_model, 1, 1, 0, doc: /* Return the model associated with XWIDGET-VIEW. */) (Lisp_Object xwidget_view) { CHECK_XWIDGET_VIEW (xwidget_view); return XXWIDGET_VIEW (xwidget_view)->model; } DEFUN ("xwidget-view-window", Fxwidget_view_window, Sxwidget_view_window, 1, 1, 0, doc: /* Return the window of XWIDGET-VIEW. */) (Lisp_Object xwidget_view) { CHECK_XWIDGET_VIEW (xwidget_view); return XXWIDGET_VIEW (xwidget_view)->w; } DEFUN ("delete-xwidget-view", Fdelete_xwidget_view, Sdelete_xwidget_view, 1, 1, 0, doc: /* Delete the XWIDGET-VIEW. */) (Lisp_Object xwidget_view) { CHECK_XWIDGET_VIEW (xwidget_view); struct xwidget_view *xv = XXWIDGET_VIEW (xwidget_view); block_input (); #ifdef USE_GTK struct xwidget *xw = XXWIDGET (xv->model); GdkWindow *w; #ifdef HAVE_X_WINDOWS if (xv->wdesc != None) { cairo_destroy (xv->cr_context); cairo_surface_destroy (xv->cr_surface); XDestroyWindow (xv->dpy, xv->wdesc); Fremhash (make_fixnum (xv->wdesc), x_window_to_xwv_map); } if (xv->last_crossing_window) g_signal_handler_disconnect (xv->last_crossing_window, xv->last_crossing_cursor_signal); g_clear_pointer (&xv->last_crossing_window, g_object_unref); if (xv->passive_grab) { g_signal_handler_disconnect (xv->passive_grab, xv->passive_grab_destruction_signal); g_signal_handler_disconnect (xv->passive_grab, xv->passive_grab_drag_signal); xv->passive_grab = NULL; } #else gtk_widget_destroy (xv->widget); #endif if (xw->embedder_view == xv && !NILP (xw->buffer)) { 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 internal_xwidget_view_list = Fdelq (xwidget_view, internal_xwidget_view_list); Vxwidget_view_list = Fcopy_sequence (internal_xwidget_view_list); unblock_input (); return Qnil; } DEFUN ("xwidget-view-lookup", Fxwidget_view_lookup, Sxwidget_view_lookup, 1, 2, 0, doc: /* Return the xwidget-view associated with XWIDGET in WINDOW. If WINDOW is unspecified or nil, use the selected window. Return nil if no association is found. */) (Lisp_Object xwidget, Lisp_Object window) { CHECK_XWIDGET (xwidget); if (NILP (window)) window = Fselected_window (); CHECK_WINDOW (window); for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { Lisp_Object xwidget_view = XCAR (tail); if (EQ (Fxwidget_view_model (xwidget_view), xwidget) && EQ (Fxwidget_view_window (xwidget_view), window)) return xwidget_view; } return Qnil; } DEFUN ("xwidget-plist", Fxwidget_plist, Sxwidget_plist, 1, 1, 0, doc: /* Return the plist of XWIDGET. */) (Lisp_Object xwidget) { CHECK_LIVE_XWIDGET (xwidget); return XXWIDGET (xwidget)->plist; } DEFUN ("xwidget-buffer", Fxwidget_buffer, Sxwidget_buffer, 1, 1, 0, doc: /* Return the buffer of XWIDGET. */) (Lisp_Object xwidget) { CHECK_XWIDGET (xwidget); return XXWIDGET (xwidget)->buffer; } DEFUN ("set-xwidget-buffer", Fset_xwidget_buffer, Sset_xwidget_buffer, 2, 2, 0, doc: /* Set XWIDGET's buffer to BUFFER. */) (Lisp_Object xwidget, Lisp_Object buffer) { CHECK_LIVE_XWIDGET (xwidget); CHECK_BUFFER (buffer); XXWIDGET (xwidget)->buffer = buffer; return Qnil; } DEFUN ("set-xwidget-plist", Fset_xwidget_plist, Sset_xwidget_plist, 2, 2, 0, doc: /* Replace the plist of XWIDGET with PLIST. Returns PLIST. */) (Lisp_Object xwidget, Lisp_Object plist) { CHECK_LIVE_XWIDGET (xwidget); CHECK_LIST (plist); XXWIDGET (xwidget)->plist = plist; return plist; } DEFUN ("set-xwidget-query-on-exit-flag", Fset_xwidget_query_on_exit_flag, Sset_xwidget_query_on_exit_flag, 2, 2, 0, doc: /* Specify if query is needed for XWIDGET when Emacs is exited. If the second argument FLAG is non-nil, Emacs will query the user before exiting or killing a buffer if XWIDGET is running. This function returns FLAG. */) (Lisp_Object xwidget, Lisp_Object flag) { CHECK_LIVE_XWIDGET (xwidget); XXWIDGET (xwidget)->kill_without_query = NILP (flag); return flag; } DEFUN ("xwidget-query-on-exit-flag", Fxwidget_query_on_exit_flag, Sxwidget_query_on_exit_flag, 1, 1, 0, doc: /* Return the current value of the query-on-exit flag for XWIDGET. */) (Lisp_Object xwidget) { CHECK_LIVE_XWIDGET (xwidget); return (XXWIDGET (xwidget)->kill_without_query ? Qnil : Qt); } DEFUN ("xwidget-webkit-search", Fxwidget_webkit_search, Sxwidget_webkit_search, 2, 5, 0, doc: /* Begin an incremental search operation in an xwidget. QUERY should be a string containing the text to search for. XWIDGET should be a WebKit xwidget where the search will take place. When the search operation is complete, callers should also call `xwidget-webkit-finish-search' to complete the search operation. CASE-INSENSITIVE, when non-nil, will cause the search to ignore the case of characters inside QUERY. BACKWARDS, when non-nil, will cause the search to proceed towards the beginning of the widget's contents. WRAP-AROUND, when nil, will cause the search to stop upon hitting the end of the widget's contents. It is OK to call this function even when a search is already in progress. In that case, the previous search query will be replaced with QUERY. */) (Lisp_Object query, Lisp_Object xwidget, Lisp_Object case_insensitive, Lisp_Object backwards, Lisp_Object wrap_around) { #ifdef USE_GTK WebKitWebView *webview; WebKitFindController *controller; WebKitFindOptions opt; struct xwidget *xw; gchar *g_query; #endif CHECK_STRING (query); CHECK_LIVE_XWIDGET (xwidget); #ifdef USE_GTK xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); webview = WEBKIT_WEB_VIEW (xw->widget_osr); query = ENCODE_UTF_8 (query); opt = WEBKIT_FIND_OPTIONS_NONE; g_query = xstrdup (SSDATA (query)); if (!NILP (case_insensitive)) opt |= WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE; if (!NILP (backwards)) opt |= WEBKIT_FIND_OPTIONS_BACKWARDS; if (!NILP (wrap_around)) opt |= WEBKIT_FIND_OPTIONS_WRAP_AROUND; if (xw->find_text) xfree (xw->find_text); xw->find_text = g_query; block_input (); controller = webkit_web_view_get_find_controller (webview); webkit_find_controller_search (controller, g_query, opt, G_MAXUINT); unblock_input (); #endif return Qnil; } DEFUN ("xwidget-webkit-next-result", Fxwidget_webkit_next_result, Sxwidget_webkit_next_result, 1, 1, 0, doc: /* Show the next result matching the current search query. XWIDGET should be an xwidget that currently has a search query. Before calling this function, you should start a search operation using `xwidget-webkit-search'. */) (Lisp_Object xwidget) { struct xwidget *xw; #ifdef USE_GTK WebKitWebView *webview; WebKitFindController *controller; #endif CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); if (!xw->find_text) error ("Widget has no ongoing search operation"); #ifdef USE_GTK block_input (); webview = WEBKIT_WEB_VIEW (xw->widget_osr); controller = webkit_web_view_get_find_controller (webview); webkit_find_controller_search_next (controller); unblock_input (); #endif return Qnil; } DEFUN ("xwidget-webkit-previous-result", Fxwidget_webkit_previous_result, Sxwidget_webkit_previous_result, 1, 1, 0, doc: /* Show the previous result matching the current search query. XWIDGET should be an xwidget that currently has a search query. Before calling this function, you should start a search operation using `xwidget-webkit-search'. */) (Lisp_Object xwidget) { struct xwidget *xw; #ifdef USE_GTK WebKitWebView *webview; WebKitFindController *controller; #endif CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); if (!xw->find_text) error ("Widget has no ongoing search operation"); #ifdef USE_GTK block_input (); webview = WEBKIT_WEB_VIEW (xw->widget_osr); controller = webkit_web_view_get_find_controller (webview); webkit_find_controller_search_previous (controller); unblock_input (); #endif return Qnil; } DEFUN ("xwidget-webkit-finish-search", Fxwidget_webkit_finish_search, Sxwidget_webkit_finish_search, 1, 1, 0, doc: /* Finish XWIDGET's search operation. XWIDGET should be an xwidget that currently has a search query. Before calling this function, you should start a search operation using `xwidget-webkit-search'. */) (Lisp_Object xwidget) { struct xwidget *xw; #ifdef USE_GTK WebKitWebView *webview; WebKitFindController *controller; #endif CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); if (!xw->find_text) error ("Widget has no ongoing search operation"); #ifdef USE_GTK block_input (); webview = WEBKIT_WEB_VIEW (xw->widget_osr); controller = webkit_web_view_get_find_controller (webview); webkit_find_controller_search_finish (controller); if (xw->find_text) { xfree (xw->find_text); xw->find_text = NULL; } unblock_input (); #endif return Qnil; } DEFUN ("kill-xwidget", Fkill_xwidget, Skill_xwidget, 1, 1, 0, doc: /* Kill the specified XWIDGET. This releases all window system resources associated with XWIDGET, removes it from `xwidget-list', and detaches it from its buffer. */) (Lisp_Object xwidget) { struct xwidget *xw; CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); block_input (); kill_xwidget (xw); unblock_input (); return Qnil; } #ifdef USE_GTK DEFUN ("xwidget-webkit-load-html", Fxwidget_webkit_load_html, Sxwidget_webkit_load_html, 2, 3, 0, doc: /* Make XWIDGET's WebKit widget render TEXT. XWIDGET should be a WebKit xwidget, that will receive TEXT. TEXT should be a string that will be displayed by XWIDGET as HTML markup. BASE-URI should be a string containing a URI that is used to locate resources with relative URLs, and if not specified, defaults to "about:blank". */) (Lisp_Object xwidget, Lisp_Object text, Lisp_Object base_uri) { struct xwidget *xw; WebKitWebView *webview; char *data, *uri; CHECK_LIVE_XWIDGET (xwidget); CHECK_STRING (text); if (NILP (base_uri)) base_uri = build_string ("about:blank"); else CHECK_STRING (base_uri); base_uri = ENCODE_UTF_8 (base_uri); text = ENCODE_UTF_8 (text); xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); data = SSDATA (text); uri = SSDATA (base_uri); webview = WEBKIT_WEB_VIEW (xw->widget_osr); block_input (); webkit_web_view_load_html (webview, data, uri); unblock_input (); return Qnil; } DEFUN ("xwidget-webkit-back-forward-list", Fxwidget_webkit_back_forward_list, Sxwidget_webkit_back_forward_list, 1, 2, 0, doc: /* Return the navigation history of XWIDGET, a WebKit xwidget. Return the history as a list of the form (BACK HERE FORWARD), where HERE is the current navigation item, while BACK and FORWARD are lists of history items of the form (IDX TITLE URI). Here, IDX is an index that can be passed to `xwidget-webkit-goto-history', TITLE is a string containing the human-readable title of the history item, and URI is the URI of the history item. BACK, HERE, and FORWARD can all be nil depending on the state of the navigation history. BACK and FORWARD will each not contain more elements than LIMIT. If LIMIT is not specified or nil, it is treated as `50'. */) (Lisp_Object xwidget, Lisp_Object limit) { struct xwidget *xw; Lisp_Object back, here, forward; WebKitWebView *webview; WebKitBackForwardList *list; WebKitBackForwardListItem *item; GList *parent, *tem; int i; unsigned int lim; Lisp_Object title, uri; const gchar *item_title, *item_uri; back = Qnil; here = Qnil; forward = Qnil; if (NILP (limit)) limit = make_fixnum (50); else CHECK_FIXNAT (limit); CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); webview = WEBKIT_WEB_VIEW (xw->widget_osr); list = webkit_web_view_get_back_forward_list (webview); item = webkit_back_forward_list_get_current_item (list); lim = XFIXNAT (limit); if (item) { item_title = webkit_back_forward_list_item_get_title (item); item_uri = webkit_back_forward_list_item_get_uri (item); here = list3 (make_fixnum (0), build_string_from_utf8 (item_title ? item_title : ""), build_string_from_utf8 (item_uri ? item_uri : "")); } parent = webkit_back_forward_list_get_back_list_with_limit (list, lim); if (parent) { for (i = 1, tem = parent; tem; tem = tem->next, ++i) { item = tem->data; item_title = webkit_back_forward_list_item_get_title (item); item_uri = webkit_back_forward_list_item_get_uri (item); title = build_string_from_utf8 (item_title ? item_title : ""); uri = build_string_from_utf8 (item_uri ? item_uri : ""); back = Fcons (list3 (make_fixnum (-i), title, uri), back); } } back = Fnreverse (back); g_list_free (parent); parent = webkit_back_forward_list_get_forward_list_with_limit (list, lim); if (parent) { for (i = 1, tem = parent; tem; tem = tem->next, ++i) { item = tem->data; item_title = webkit_back_forward_list_item_get_title (item); item_uri = webkit_back_forward_list_item_get_uri (item); title = build_string_from_utf8 (item_title ? item_title : ""); uri = build_string_from_utf8 (item_uri ? item_uri : ""); forward = Fcons (list3 (make_fixnum (i), title, uri), forward); } } forward = Fnreverse (forward); g_list_free (parent); return list3 (back, here, forward); } DEFUN ("xwidget-webkit-estimated-load-progress", Fxwidget_webkit_estimated_load_progress, Sxwidget_webkit_estimated_load_progress, 1, 1, 0, doc: /* Get the estimated load progress of XWIDGET, a WebKit widget. Return a value ranging from 0.0 to 1.0, based on how close XWIDGET is to completely loading its page. */) (Lisp_Object xwidget) { struct xwidget *xw; WebKitWebView *webview; double value; CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); block_input (); webview = WEBKIT_WEB_VIEW (xw->widget_osr); value = webkit_web_view_get_estimated_load_progress (webview); unblock_input (); return make_float (value); } #endif DEFUN ("xwidget-webkit-set-cookie-storage-file", Fxwidget_webkit_set_cookie_storage_file, Sxwidget_webkit_set_cookie_storage_file, 2, 2, 0, doc: /* Make the WebKit widget XWIDGET load and store cookies in FILE. Cookies will be stored as plain text in FILE, which must be an absolute file name. All xwidgets related to XWIDGET will also store cookies in FILE and load them from there. */) (Lisp_Object xwidget, Lisp_Object file) { #ifdef USE_GTK struct xwidget *xw; WebKitWebView *webview; WebKitWebContext *context; WebKitCookieManager *manager; CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); CHECK_STRING (file); block_input (); webview = WEBKIT_WEB_VIEW (xw->widget_osr); context = webkit_web_view_get_context (webview); manager = webkit_web_context_get_cookie_manager (context); webkit_cookie_manager_set_persistent_storage (manager, SSDATA (ENCODE_UTF_8 (file)), WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT); unblock_input (); #endif return Qnil; } DEFUN ("xwidget-webkit-stop-loading", Fxwidget_webkit_stop_loading, Sxwidget_webkit_stop_loading, 1, 1, 0, doc: /* Stop loading data in the WebKit widget XWIDGET. This will stop any data transfer that may still be in progress inside XWIDGET as part of loading a page. */) (Lisp_Object xwidget) { #ifdef USE_GTK struct xwidget *xw; WebKitWebView *webview; CHECK_LIVE_XWIDGET (xwidget); xw = XXWIDGET (xwidget); CHECK_WEBKIT_WIDGET (xw); block_input (); webview = WEBKIT_WEB_VIEW (xw->widget_osr); webkit_web_view_stop_loading (webview); unblock_input (); #endif return Qnil; } void syms_of_xwidget (void) { defsubr (&Smake_xwidget); defsubr (&Sxwidgetp); defsubr (&Sxwidget_live_p); DEFSYM (Qxwidgetp, "xwidgetp"); DEFSYM (Qxwidget_live_p, "xwidget-live-p"); defsubr (&Sxwidget_view_p); DEFSYM (Qxwidget_view_p, "xwidget-view-p"); defsubr (&Sxwidget_info); defsubr (&Sxwidget_view_info); defsubr (&Sxwidget_resize); defsubr (&Sget_buffer_xwidgets); defsubr (&Sxwidget_view_model); defsubr (&Sxwidget_view_window); defsubr (&Sxwidget_view_lookup); defsubr (&Sxwidget_query_on_exit_flag); defsubr (&Sset_xwidget_query_on_exit_flag); defsubr (&Sxwidget_webkit_uri); defsubr (&Sxwidget_webkit_title); defsubr (&Sxwidget_webkit_goto_uri); defsubr (&Sxwidget_webkit_goto_history); defsubr (&Sxwidget_webkit_zoom); defsubr (&Sxwidget_webkit_execute_script); DEFSYM (Qwebkit, "webkit"); defsubr (&Sxwidget_webkit_add_user_script); DEFSYM (Qstart, "start"); DEFSYM (Qend, "end"); defsubr (&Sxwidget_webkit_remove_all_user_scripts); DEFSYM (Qscript_message, "script-message"); defsubr (&Sxwidget_webkit_register_script_message); defsubr (&Sxwidget_webkit_unregister_script_message); defsubr (&Sxwidget_size_request); defsubr (&Sdelete_xwidget_view); defsubr (&Sxwidget_plist); defsubr (&Sxwidget_buffer); defsubr (&Sset_xwidget_plist); defsubr (&Sxwidget_perform_lispy_event); defsubr (&Sxwidget_webkit_search); defsubr (&Sxwidget_webkit_finish_search); defsubr (&Sxwidget_webkit_next_result); defsubr (&Sxwidget_webkit_previous_result); defsubr (&Sset_xwidget_buffer); defsubr (&Sxwidget_webkit_set_cookie_storage_file); defsubr (&Sxwidget_webkit_stop_loading); #ifdef USE_GTK defsubr (&Sxwidget_webkit_load_html); defsubr (&Sxwidget_webkit_back_forward_list); defsubr (&Sxwidget_webkit_estimated_load_progress); #endif defsubr (&Skill_xwidget); DEFSYM (QCxwidget, ":xwidget"); DEFSYM (QCtitle, ":title"); /* Do not forget to update the docstring of make-xwidget if you add new types. */ DEFSYM (Qvertical, "vertical"); DEFSYM (Qhorizontal, "horizontal"); DEFSYM (QCplist, ":plist"); DEFVAR_LISP ("xwidget-list", Vxwidget_list, doc: /* List of all xwidgets that have not been killed. */); Vxwidget_list = Qnil; DEFVAR_LISP ("xwidget-view-list", Vxwidget_view_list, doc: /* List of all xwidget views. */); Vxwidget_view_list = Qnil; Fprovide (intern ("xwidget-internal"), Qnil); id_to_xwidget_map = CALLN (Fmake_hash_table, QCtest, Qeq, QCweakness, Qvalue); staticpro (&id_to_xwidget_map); internal_xwidget_list = Qnil; staticpro (&internal_xwidget_list); internal_xwidget_view_list = Qnil; staticpro (&internal_xwidget_view_list); #ifdef HAVE_X_WINDOWS x_window_to_xwv_map = CALLN (Fmake_hash_table, QCtest, Qeq); staticpro (&x_window_to_xwv_map); #if WEBKIT_CHECK_VERSION (2, 34, 0) dummy_tooltip_string = build_string (""); staticpro (&dummy_tooltip_string); #endif #endif } /* Value is non-zero if OBJECT is a valid Lisp xwidget specification. A valid xwidget specification is a list whose car is the symbol `xwidget', and whose rest is a property list. The property list must contain a value for key `:type'. That value must be the name of a supported xwidget type. The rest of the property list depends on the xwidget type. */ bool valid_xwidget_spec_p (Lisp_Object object) { return CONSP (object) && EQ (XCAR (object), Qxwidget); } /* Find a value associated with key in spec. */ static Lisp_Object xwidget_spec_value (Lisp_Object spec, Lisp_Object key) { Lisp_Object tail; eassert (valid_xwidget_spec_p (spec)); for (tail = XCDR (spec); CONSP (tail) && CONSP (XCDR (tail)); tail = XCDR (XCDR (tail))) { if (EQ (XCAR (tail), key)) return XCAR (XCDR (tail)); } return Qnil; } void xwidget_view_delete_all_in_window (struct window *w) { struct xwidget_view *xv = NULL; for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { if (XWIDGET_VIEW_P (XCAR (tail))) { xv = XXWIDGET_VIEW (XCAR (tail)); if (XWINDOW (xv->w) == w) { Fdelete_xwidget_view (XCAR (tail)); } } } } static struct xwidget_view * xwidget_view_lookup (struct xwidget *xw, struct window *w) { Lisp_Object xwidget, window, ret; XSETXWIDGET (xwidget, xw); XSETWINDOW (window, w); ret = Fxwidget_view_lookup (xwidget, window); return NILP (ret) ? NULL : XXWIDGET_VIEW (ret); } struct xwidget * lookup_xwidget (Lisp_Object spec) { /* When a xwidget lisp spec is found initialize the C struct that is used in the C code. This is done by redisplay so values change if the spec changes. So, take special care of one-shot events. */ Lisp_Object value; struct xwidget *xw; value = xwidget_spec_value (spec, QCxwidget); xw = XXWIDGET (value); return xw; } /* Set up detection of touched xwidget. */ static void xwidget_start_redisplay (void) { for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { if (XWIDGET_VIEW_P (XCAR (tail))) XXWIDGET_VIEW (XCAR (tail))->redisplayed = false; } } /* The xwidget was touched during redisplay, so it isn't a candidate for hiding. */ static void xwidget_touch (struct xwidget_view *xv) { xv->redisplayed = true; } static bool xwidget_touched (struct xwidget_view *xv) { return xv->redisplayed; } /* Redisplay has ended, now we should hide untouched xwidgets. */ void xwidget_end_redisplay (struct window *w, struct glyph_matrix *matrix) { int i; int area; xwidget_start_redisplay (); /* Iterate desired glyph matrix of window here, hide gtk widgets not in the desired matrix. This only takes care of xwidgets in active windows. If a window goes away from the screen, xwidget views must be deleted. dump_glyph_matrix (matrix, 2); */ for (i = 0; i < matrix->nrows; ++i) { /* dump_glyph_row (MATRIX_ROW (matrix, i), i, glyphs); */ struct glyph_row *row; row = MATRIX_ROW (matrix, i); if (row->enabled_p) for (area = LEFT_MARGIN_AREA; area < LAST_AREA; ++area) { struct glyph *glyph = row->glyphs[area]; struct glyph *glyph_end = glyph + row->used[area]; for (; glyph < glyph_end; ++glyph) if (glyph->type == XWIDGET_GLYPH) { /* The only call to xwidget_end_redisplay is in dispnew. xwidget_end_redisplay (w->current_matrix); */ struct xwidget_view *xv = xwidget_view_lookup (xwidget_from_id (glyph->u.xwidget), w); /* In NS xwidget, xv can be NULL for the second or later views for a model, the result of 1 to 1 model view relation enforcement. `xwidget_view_lookup' has also been observed to return NULL here on X-Windows at least once, so stay safe and only touch it if it's not NULL. */ if (xv) xwidget_touch (xv); } } } for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { if (XWIDGET_VIEW_P (XCAR (tail))) { struct xwidget_view *xv = XXWIDGET_VIEW (XCAR (tail)); /* "touched" is only meaningful for the current window, so disregard other views. */ if (XWINDOW (xv->w) == w) { if (xwidget_touched (xv)) { #ifdef USE_GTK xwidget_show_view (xv); #elif defined NS_IMPL_COCOA nsxwidget_show_view (xv); #endif } else { #ifdef USE_GTK xwidget_hide_view (xv); #elif defined NS_IMPL_COCOA nsxwidget_hide_view (xv); #endif } } } } } #ifdef HAVE_X_WINDOWS void lower_frame_xwidget_views (struct frame *f) { struct xwidget_view *xv; for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { xv = XXWIDGET_VIEW (XCAR (tail)); if (xv->frame == f && xv->wdesc != None) XLowerWindow (xv->dpy, xv->wdesc); } } #endif #ifndef NS_IMPL_COCOA void kill_frame_xwidget_views (struct frame *f) { Lisp_Object rem = Qnil; for (Lisp_Object tail = internal_xwidget_view_list; CONSP (tail); tail = XCDR (tail)) { if (XWIDGET_VIEW_P (XCAR (tail)) && XXWIDGET_VIEW (XCAR (tail))->frame == f) rem = Fcons (XCAR (tail), rem); } for (; CONSP (rem); rem = XCDR (rem)) Fdelete_xwidget_view (XCAR (rem)); } #endif static void kill_xwidget (struct xwidget *xw) { Lisp_Object val; XSETXWIDGET (val, xw); internal_xwidget_list = Fdelq (val, internal_xwidget_list); Vxwidget_list = Fcopy_sequence (internal_xwidget_list); #ifdef USE_GTK xw->buffer = Qnil; if (xw->widget_osr && xw->widgetwindow_osr) { gtk_widget_destroy (xw->widget_osr); gtk_widget_destroy (xw->widgetwindow_osr); } if (xw->find_text) xfree (xw->find_text); if (!NILP (xw->script_callbacks)) { for (ptrdiff_t idx = 0; idx < ASIZE (xw->script_callbacks); idx++) { Lisp_Object cb = AREF (xw->script_callbacks, idx); if (!NILP (cb)) xfree (xmint_pointer (XCAR (cb))); ASET (xw->script_callbacks, idx, Qnil); } } xw->widget_osr = NULL; xw->widgetwindow_osr = NULL; xw->find_text = NULL; catch_child_signal (); #elif defined NS_IMPL_COCOA nsxwidget_kill (xw); #endif } /* Kill all xwidget in BUFFER. */ void kill_buffer_xwidgets (Lisp_Object buffer) { Lisp_Object tail, xwidget; for (tail = Fget_buffer_xwidgets (buffer); CONSP (tail); tail = XCDR (tail)) { xwidget = XCAR (tail); { CHECK_LIVE_XWIDGET (xwidget); struct xwidget *xw = XXWIDGET (xwidget); kill_xwidget (xw); } } catch_child_signal (); }