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106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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Copyright (C) 1992, 1993 Lucid, Inc.
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Copyright (C) 1994, 1999-2020 Free Software Foundation, Inc.
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This file is part of the Lucid Widget Library.
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The Lucid Widget Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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The Lucid Widget Library 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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/* This part is separate from lwlib.h because it does not need X,
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and thus can be used by non-X code in Emacs proper. */
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#ifndef LWLIB_WIDGET_H
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#define LWLIB_WIDGET_H
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#include "../src/lisp.h"
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typedef enum
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{
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NO_CHANGE = 0,
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INVISIBLE_CHANGE = 1,
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VISIBLE_CHANGE = 2,
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STRUCTURAL_CHANGE = 3
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} change_type;
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enum button_type
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{
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BUTTON_TYPE_NONE,
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BUTTON_TYPE_TOGGLE,
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BUTTON_TYPE_RADIO
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};
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typedef struct _widget_value
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{
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/* Name of widget. */
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Lisp_Object lname;
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char *name;
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/* Value (meaning depend on widget type). */
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char *value;
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/* Keyboard equivalent. no implications for XtTranslations. */
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Lisp_Object lkey;
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char *key;
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/* Help string or nil if none.
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GC finds this string through the frame's menu_bar_vector
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or through menu_items. */
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Lisp_Object help;
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/* True if enabled. */
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bool enabled;
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/* True if selected. */
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bool selected;
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/* True if was edited (maintained by get_value). */
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bool edited;
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#ifdef HAVE_NTGUI
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/* True if menu title. */
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bool title;
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#endif
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/* The type of a button. */
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enum button_type button_type;
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/* Contents of the sub-widgets, also selected slot for checkbox. */
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struct _widget_value *contents;
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/* Data passed to callback. */
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void *call_data;
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/* Next one in the list. */
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struct _widget_value *next;
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#ifdef USE_X_TOOLKIT
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/* Type of change (maintained by lw library). */
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change_type change;
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/* Type of this widget's change, but not counting the other widgets
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found in the `next' field. */
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change_type this_one_change;
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/* Slot for the toolkit dependent part. Always initialize to NULL. */
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void *toolkit_data;
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/* Whether we should free the toolkit data slot when freeing the
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widget_value itself. */
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bool free_toolkit_data;
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#endif
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} widget_value;
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#endif
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