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5d68dc9a2f
* src/lisp.h (vectorlike_headed): Change from struct to union. All uses changed. Since it has only one member, this does not change semantics. This is designed to simplify future changes needed to fix bugs like Bug#29040. All uses changed.
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/* Support for embedding graphical components in a buffer.
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Copyright (C) 2011-2017 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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# include <gtk/gtk.h>
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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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/* Here ends the Lisp part. "height" is the marker field. */
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int height;
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int width;
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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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/* Kill silently if Emacs is exited. */
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bool_bf kill_without_query : 1;
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};
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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. "redisplayed" 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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GtkWidget *widget;
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GtkWidget *widgetwindow;
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GtkWidget *emacswindow;
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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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};
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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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(struct xwidget *) XUNTAG (a, Lisp_Vectorlike))
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#define CHECK_XWIDGET(x) \
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CHECK_TYPE (XWIDGETP (x), Qxwidgetp, 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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(struct xwidget_view *) XUNTAG (a, Lisp_Vectorlike))
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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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#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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