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/* Support for embedding graphical components in a buffer.
Copyright (C) 2011-2016 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 <http://www.gnu.org/licenses/>. */
#ifndef XWIDGET_H_INCLUDED
#define XWIDGET_H_INCLUDED
void x_draw_xwidget_glyph_string (struct glyph_string *s);
void syms_of_xwidget (void);
//extern Lisp_Object Qxwidget;
bool valid_xwidget_spec_p (Lisp_Object object);
#include <gtk/gtk.h>
/*
each xwidget instance/model is described by this struct.
lisp pseudovector.
*/
struct xwidget
{
struct vectorlike_header header;
Lisp_Object plist; //auxilliary data
Lisp_Object type; //the widget type
Lisp_Object buffer; //buffer where xwidget lives
Lisp_Object title; //a title that is used for button labels for instance
//here ends the lisp part.
//"height" is the marker field
int height;
int width;
//for offscreen widgets, unused if not osr
GtkWidget *widget_osr;
GtkWidget *widgetwindow_osr;
//this is used if the widget (webkit) is to be wrapped in a scrolled window,
GtkWidget *widgetscrolledwindow_osr;
/* Non-nil means kill silently if Emacs is exited. */
unsigned int kill_without_query:1;
};
//struct for each xwidget view
struct xwidget_view
{
struct vectorlike_header header;
Lisp_Object model;
Lisp_Object w;
//here ends the lisp part.
//"redisplayed" is the marker field
int redisplayed; //if touched by redisplay
int hidden; //if the "live" instance isnt drawn
GtkWidget *widget;
GtkWidget *widgetwindow;
GtkWidget *emacswindow;
int x;
int y;
int clip_right;
int clip_bottom;
int clip_top;
int clip_left;
long handler_id;
};
/* Test for xwidget pseudovector*/
#define XWIDGETP(x) PSEUDOVECTORP (x, PVEC_XWIDGET)
#define XXWIDGET(a) (eassert (XWIDGETP(a)), \
(struct xwidget *) XUNTAG(a, Lisp_Vectorlike))
#define CHECK_XWIDGET(x) \
CHECK_TYPE (XWIDGETP (x), Qxwidgetp, x)
/* Test for xwidget_view pseudovector */
#define XWIDGET_VIEW_P(x) PSEUDOVECTORP (x, PVEC_XWIDGET_VIEW)
#define XXWIDGET_VIEW(a) (eassert (XWIDGET_VIEW_P(a)), \
(struct xwidget_view *) XUNTAG(a, Lisp_Vectorlike))
#define CHECK_XWIDGET_VIEW(x) \
CHECK_TYPE (XWIDGET_VIEW_P (x), Qxwidget_view_p, x)
struct xwidget_type
{
/* A symbol uniquely identifying the xwidget type, */
Lisp_Object *type;
/* Check that SPEC is a valid image specification for the given
image type. Value is non-zero if SPEC is valid. */
int (*valid_p) (Lisp_Object spec);
/* Next in list of all supported image types. */
struct xwidget_type *next;
};
struct xwidget *xwidget_from_id (int id);
void xwidget_end_redisplay (struct window *w, struct glyph_matrix *matrix);
struct xwidget *lookup_xwidget (Lisp_Object spec);
#define XG_XWIDGET "emacs_xwidget"
#define XG_XWIDGET_VIEW "emacs_xwidget_view"
void xwidget_view_delete_all_in_window (struct window *w);
void kill_buffer_xwidgets (Lisp_Object buffer);
#endif /* XWIDGET_H_INCLUDED */
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