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emacs/lwlib/lwlib-int.h
2024-01-02 09:47:10 +08:00

76 lines
2.0 KiB
C

/*
Copyright (C) 1992 Lucid, Inc.
Copyright (C) 2000-2024 Free Software Foundation, Inc.
This file is part of the Lucid Widget Library.
The Lucid Widget Library 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 1, or (at your option)
any later version.
The Lucid Widget Library 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 <https://www.gnu.org/licenses/>. */
#ifndef LWLIB_INTERNAL_H
#define LWLIB_INTERNAL_H
#include "lwlib.h"
struct widget_xft_data;
typedef struct _widget_instance
{
Widget widget;
Widget parent;
Boolean pop_up_p;
#if defined USE_CAIRO || defined HAVE_XFT
struct widget_xft_data *xft_data;
#endif
struct _widget_info* info;
struct _widget_instance* next;
} widget_instance;
typedef struct _widget_info
{
char* type;
char* name;
LWLIB_ID id;
widget_value* val;
Boolean busy;
lw_callback pre_activate_cb;
lw_callback selection_cb;
lw_callback post_activate_cb;
lw_callback highlight_cb;
struct _widget_instance* instances;
struct _widget_info* next;
} widget_info;
typedef Widget (*widget_creation_function) (widget_instance *instance);
typedef struct _widget_creation_entry
{
char* type;
widget_creation_function function;
} widget_creation_entry;
/* update all other instances of a widget. Can be used in a callback when
a widget has been used by the user */
void
lw_internal_update_other_instances (Widget, XtPointer, XtPointer);
/* get the widget_value for a widget in a given instance */
widget_value*
lw_get_widget_value_for_widget (widget_instance *, Widget);
widget_info *lw_get_widget_info (LWLIB_ID);
widget_instance * lw_get_widget_instance (Widget);
#endif /* LWLIB_INTERNAL_H */