244 lines
6.6 KiB
Objective-C
244 lines
6.6 KiB
Objective-C
/* Support for embedding graphical components in a buffer.
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Copyright (C) 2011-2024 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef XWIDGET_H_INCLUDED
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#define XWIDGET_H_INCLUDED
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#include "lisp.h"
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struct glyph_matrix;
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struct glyph_string;
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struct xwidget;
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struct xwidget_view;
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struct window;
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#ifdef HAVE_XWIDGETS
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#if defined (USE_GTK)
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#include <gtk/gtk.h>
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#ifndef HAVE_PGTK
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#include <X11/Xlib.h>
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#include "xterm.h"
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#else
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#include "pgtkterm.h"
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#endif
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#elif defined (NS_IMPL_COCOA) && defined (__OBJC__)
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#import <AppKit/NSView.h>
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#import "nsxwidget.h"
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#endif
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#ifdef HAVE_XINPUT2
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#include <X11/extensions/XInput2.h>
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#endif
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struct xwidget
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{
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union vectorlike_header header;
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/* Auxiliary data. */
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Lisp_Object plist;
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/* The widget type. */
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Lisp_Object type;
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/* The buffer where the xwidget lives. */
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Lisp_Object buffer;
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/* A title used for button labels, for instance. */
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Lisp_Object title;
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/* Vector of currently executing scripts with callbacks. */
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Lisp_Object script_callbacks;
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/* Here ends the Lisp part. script_callbacks is the marker field. */
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int height;
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int width;
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uint32_t xwidget_id;
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char *find_text;
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#if defined (USE_GTK)
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/* For offscreen widgets, unused if not osr. */
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GtkWidget *widget_osr;
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GtkWidget *widgetwindow_osr;
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struct frame *embedder;
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struct xwidget_view *embedder_view;
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guint hit_result;
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#elif defined (NS_IMPL_COCOA)
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# ifdef __OBJC__
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/* For offscreen widgets, unused if not osr. */
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NSView *xwWidget;
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XwWindow *xwWindow;
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/* Used only for xwidget types (such as webkit2) enforcing 1 to 1
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relationship between model and view. */
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struct xwidget_view *xv;
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# else
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void *xwWidget;
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void *xwWindow;
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struct xwidget_view *xv;
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# endif
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#endif
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/* Kill silently if Emacs is exited. */
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bool_bf kill_without_query : 1;
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} GCALIGNED_STRUCT;
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struct xwidget_view
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{
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union vectorlike_header header;
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Lisp_Object model;
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Lisp_Object w;
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/* Here ends the lisp part. "w" is the marker field. */
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/* If touched by redisplay. */
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bool redisplayed;
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/* The "live" instance isn't drawn. */
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bool hidden;
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enum glyph_row_area area;
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#if defined (USE_GTK)
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#ifndef HAVE_PGTK
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Display *dpy;
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Window wdesc;
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GdkWindow *last_crossing_window;
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guint last_crossing_cursor_signal;
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GtkWidget *passive_grab;
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guint passive_grab_destruction_signal;
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guint passive_grab_drag_signal;
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#else
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struct pgtk_display_info *dpyinfo;
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GtkWidget *widget;
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#endif
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Emacs_Cursor cursor;
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struct frame *frame;
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cairo_surface_t *cr_surface;
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cairo_t *cr_context;
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int just_resized;
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#elif defined (NS_IMPL_COCOA)
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# ifdef __OBJC__
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XvWindow *xvWindow;
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NSView *emacswindow;
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# else
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void *xvWindow;
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void *emacswindow;
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# endif
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#endif
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int x;
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int y;
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int clip_right;
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int clip_bottom;
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int clip_top;
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int clip_left;
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long handler_id;
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} GCALIGNED_STRUCT;
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#endif
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/* Test for xwidget pseudovector. */
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#define XWIDGETP(x) PSEUDOVECTORP (x, PVEC_XWIDGET)
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#define XXWIDGET(a) (eassert (XWIDGETP (a)), \
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XUNTAG (a, Lisp_Vectorlike, struct xwidget))
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#define XWIDGET_LIVE_P(w) (!NILP ((w)->buffer))
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#define CHECK_XWIDGET(x) \
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CHECK_TYPE (XWIDGETP (x), Qxwidgetp, x)
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#define CHECK_LIVE_XWIDGET(x) \
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CHECK_TYPE ((XWIDGETP (x) \
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&& XWIDGET_LIVE_P (XXWIDGET (x))), \
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Qxwidget_live_p, x)
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/* Test for xwidget_view pseudovector. */
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#define XWIDGET_VIEW_P(x) PSEUDOVECTORP (x, PVEC_XWIDGET_VIEW)
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#define XXWIDGET_VIEW(a) (eassert (XWIDGET_VIEW_P (a)), \
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XUNTAG (a, Lisp_Vectorlike, struct xwidget_view))
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#define CHECK_XWIDGET_VIEW(x) \
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CHECK_TYPE (XWIDGET_VIEW_P (x), Qxwidget_view_p, x)
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#define XG_XWIDGET "emacs_xwidget"
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#define XG_XWIDGET_VIEW "emacs_xwidget_view"
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#ifdef HAVE_XWIDGETS
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void syms_of_xwidget (void);
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bool valid_xwidget_spec_p (Lisp_Object);
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void xwidget_view_delete_all_in_window (struct window *);
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void x_draw_xwidget_glyph_string (struct glyph_string *);
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struct xwidget *lookup_xwidget (Lisp_Object spec);
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void xwidget_end_redisplay (struct window *, struct glyph_matrix *);
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void kill_buffer_xwidgets (Lisp_Object);
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/* Defined in 'xwidget.c'. */
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void store_xwidget_event_string (struct xwidget *xw,
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const char *eventname,
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const char *eventstr);
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void store_xwidget_download_callback_event (struct xwidget *xw,
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const char *url,
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const char *mimetype,
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const char *filename);
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void store_xwidget_js_callback_event (struct xwidget *xw,
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Lisp_Object proc,
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Lisp_Object argument);
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extern struct xwidget *xwidget_from_id (uint32_t id);
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#ifdef HAVE_X_WINDOWS
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struct xwidget_view *xwidget_view_from_window (Window wdesc);
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void xwidget_expose (struct xwidget_view *xv);
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extern void lower_frame_xwidget_views (struct frame *f);
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#endif
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#ifndef NS_IMPL_COCOA
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extern void kill_frame_xwidget_views (struct frame *f);
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#endif
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#ifdef HAVE_X_WINDOWS
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extern void xwidget_button (struct xwidget_view *, bool, int,
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int, int, int, Time);
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extern void xwidget_motion_or_crossing (struct xwidget_view *,
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const XEvent *);
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#ifdef HAVE_XINPUT2
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extern void xwidget_motion_notify (struct xwidget_view *, double,
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double, double, double, uint, Time);
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extern void xwidget_scroll (struct xwidget_view *, double, double,
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double, double, uint, Time, bool);
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#ifdef HAVE_XINPUT2_4
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extern void xwidget_pinch (struct xwidget_view *, XIGesturePinchEvent *);
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#endif
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#endif
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#endif
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#else
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INLINE_HEADER_BEGIN
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INLINE void syms_of_xwidget (void) {}
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INLINE bool valid_xwidget_spec_p (Lisp_Object obj) { return false; }
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INLINE void xwidget_view_delete_all_in_window (struct window *w) {}
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INLINE void x_draw_xwidget_glyph_string (struct glyph_string *s) { eassume (0); }
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INLINE struct xwidget *lookup_xwidget (Lisp_Object obj) { eassume (0); }
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INLINE void xwidget_end_redisplay (struct window *w, struct glyph_matrix *m) {}
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INLINE void kill_buffer_xwidgets (Lisp_Object buf) {}
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INLINE_HEADER_END
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#endif
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#endif /* XWIDGET_H_INCLUDED */
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