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231
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1 /* Generic GUI code. (menubars, scrollbars, toolbars, dialogs)
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2 Copyright (C) 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995, 1996 Ben Wing.
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4 Copyright (C) 1995 Sun Microsystems, Inc.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* Written by kkm on 12/24/97 */
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26
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27 #ifndef _XEMACS_GUI_H_
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28 #define _XEMACS_GUI_H_
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29
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30 #ifdef HAVE_POPUPS
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31 int separator_string_p (CONST char *s);
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32 extern int popup_up_p;
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251
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33
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34 /* This structure describes gui button,
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35 menu item or submenu properties */
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36 struct gui_item
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37 {
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38 Lisp_Object name; /* String */
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39 Lisp_Object callback; /* Symbol or form */
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40 Lisp_Object suffix; /* String */
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41 Lisp_Object active; /* Form */
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42 Lisp_Object included; /* Form */
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43 Lisp_Object config; /* Anything EQable */
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44 Lisp_Object filter; /* Form */
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45 Lisp_Object style; /* Symbol */
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46 Lisp_Object selected; /* Form */
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47 Lisp_Object keys; /* String */
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48 };
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49 #define GUI_ITEM_LAST_GCPROED keys
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50 #define GUI_ITEM_GCPRO_COUNT \
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51 (slot_offset(struct gui_item, GUI_ITEM_LAST_GCPROED) / sizeof(Lisp_Object) + 1)
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52
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269
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53 /*
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54 * gui_item is a struct containing a bunch of Lisp_Object
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55 * members. We need to GC-protect all the member slots.
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56 * Rather than build a long chain of individual gcpro structs
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57 * that protect the slots individually, we protect all the
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58 * member slots by pretending the struct is an array. ANSI C
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272
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59 * requires this hack to work, ugly though it is.
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269
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60 */
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61 #define GCPRO_GUI_ITEM(pgui_item) \
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62 do { \
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63 Lisp_Object *gui_item_array = (Lisp_Object *) pgui_item; \
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64 GCPRO1 (gui_item_array[0]); \
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65 gcpro1.nvars = GUI_ITEM_GCPRO_COUNT; \
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66 } while (0);
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67
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272
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68 extern Lisp_Object Q_accelerator, Q_active, Q_config, Q_filter, Q_included;
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69 extern Lisp_Object Q_keys, Q_selected, Q_suffix, Qradio, Qtoggle;
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70
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251
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71 void gui_item_init (struct gui_item *pgui_item);
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72 void gui_item_add_keyval_pair (struct gui_item *pgui_item,
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73 Lisp_Object key, Lisp_Object val);
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74 void gui_parse_item_keywords (Lisp_Object item, struct gui_item *pgui_item);
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75 int gui_item_active_p (CONST struct gui_item *pgui_item);
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76 int gui_item_included_p (CONST struct gui_item *pgui_item, Lisp_Object into);
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77 unsigned int gui_item_display_flush_left (CONST struct gui_item *pgui_item,
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272
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78 char* buf, Bytecount buf_len);
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251
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79 unsigned int gui_item_display_flush_right (CONST struct gui_item *pgui_item,
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272
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80 char* buf, Bytecount buf_len);
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251
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81
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231
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82 #endif /* HAVE_POPUPS */
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83
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84 #endif /* _XEMACS_GUI_H_ */
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