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1 /* General GUI code -- X-specific header file.
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2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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3 Copyright (C) 1996 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 #ifndef _XEMACS_XLWLIB_H_
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25 #define _XEMACS_XLWLIB_H_
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26
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27 #include "lwlib.h"
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28
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29 widget_value *xmalloc_widget_value (void);
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30
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31 extern LWLIB_ID new_lwlib_id (void);
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32
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33 #ifdef HAVE_POPUPS
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34
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35 extern int popup_up_p;
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36
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37 /* Each frame has one of these, and they are also contained in
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38 Vpopup_callbacks.
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39 It doesn't really need to be an lrecord (it's not lisp-accessible)
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40 but it makes marking slightly more modular.
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41 */
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42
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43 struct popup_data
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44 {
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45 struct lcrecord_header header;
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46
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47 /* lwlib ID of the tree of widgets corresponding to this popup.
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48 We pass this to lw_map_widget_values() to retrieve all of our
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49 Lispy call-data values that need to be GCPRO'd. */
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50 LWLIB_ID id;
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51
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52 /* For the frame popup data, this is the last buffer for which the
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53 menubar was displayed. If the buffer has changed, we may have to
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54 update things. */
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55 Lisp_Object last_menubar_buffer;
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56
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57 /* This flag tells us if the menubar contents are up-to-date with respect
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58 to the current menubar structure. If we want to actually pull down a
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59 menu and this is false, then we need to update things. */
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60 char menubar_contents_up_to_date;
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61 };
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62
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63 DECLARE_LRECORD (popup_data, struct popup_data);
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64 #define XPOPUP_DATA(x) XRECORD (x, popup_data, struct popup_data)
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65 #define XSETPOPUP_DATA(x, p) XSETRECORD (x, p, popup_data)
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66 #define POPUP_DATAP(x) RECORDP (x, popup_data)
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67 #define GC_POPUP_DATAP(x) GC_RECORDP (x, popup_data)
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68 #define CHECK_POPUP_DATA(x) CHECK_RECORD (x, popup_data)
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69
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70 void gcpro_popup_callbacks (LWLIB_ID id);
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71 void ungcpro_popup_callbacks (LWLIB_ID id);
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72 int popup_handled_p (LWLIB_ID id);
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73 void free_popup_widget_value_tree (widget_value *wv);
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74 void popup_selection_callback (Widget widget, LWLIB_ID ignored_id,
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75 XtPointer client_data);
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76 int button_item_to_widget_value (Lisp_Object desc, widget_value *wv,
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77 int allow_text_field_p, int no_keys_p);
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78 Boolean separator_string_p (CONST char *s);
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79 char *menu_separator_style (CONST char *s);
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80 Lisp_Object widget_value_unwind (Lisp_Object closure);
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81
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82 #endif /* HAVE_POPUPS */
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83
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84 #endif /* _XEMACS_XLWLIB_H_ */
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