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1 /* General GUI code -- X-specific. (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 Copyright (C) 1998 Free Software Foundation, Inc.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 #include <config.h>
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27 #include "lisp.h"
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28
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29 #include "console-gtk.h"
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30 #include "gui-gtk.h"
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31 #include "buffer.h"
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32 #include "device.h"
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33 #include "frame.h"
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34 #include "gui.h"
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35 #include "opaque.h"
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36
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37 #ifdef HAVE_POPUPS
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38 Lisp_Object Qmenu_no_selection_hook;
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39 #endif
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40
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41 static GUI_ID gui_id_ctr = 0;
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42
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43 GUI_ID
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44 new_gui_id (void)
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45 {
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46 return (++gui_id_ctr);
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47 }
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48
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49 /* This is like FRAME_MENUBAR_DATA (f), but contains an alist of
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50 (id . popup-data) for GCPRO'ing the callbacks of the popup menus
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51 and dialog boxes. */
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52 static Lisp_Object Vpopup_callbacks;
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53
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54 void
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55 gcpro_popup_callbacks (GUI_ID id, Lisp_Object data)
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56 {
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57 Vpopup_callbacks = Fcons (Fcons (make_int (id), data), Vpopup_callbacks);
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58 }
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59
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60 void
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61 ungcpro_popup_callbacks (GUI_ID id)
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62 {
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63 Lisp_Object lid = make_int (id);
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64 Lisp_Object this = assq_no_quit (lid, Vpopup_callbacks);
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65 Vpopup_callbacks = delq_no_quit (this, Vpopup_callbacks);
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66 }
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67
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68 Lisp_Object
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69 get_gcpro_popup_callbacks (GUI_ID id)
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70 {
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71 Lisp_Object lid = make_int (id);
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72 Lisp_Object this = assq_no_quit (lid, Vpopup_callbacks);
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73
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74 if (!NILP (this))
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75 {
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76 return (XCDR (this));
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77 }
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78 return (Qnil);
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79 }
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80
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81 void
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82 syms_of_gui_gtk (void)
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83 {
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84 #ifdef HAVE_POPUPS
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85 defsymbol (&Qmenu_no_selection_hook, "menu-no-selection-hook");
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86 #endif
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87 }
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88
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89 void
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90 vars_of_gui_gtk (void)
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91 {
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92 staticpro (&Vpopup_callbacks);
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93 Vpopup_callbacks = Qnil;
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94 #ifdef HAVE_POPUPS
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95 popup_up_p = 0;
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96
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97 #if 0
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98 /* This DEFVAR_LISP is just for the benefit of make-docfile. */
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99 /* #### misnamed */
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100 DEFVAR_LISP ("menu-no-selection-hook", &Vmenu_no_selection_hook /*
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101 Function or functions to call when a menu or dialog box is dismissed
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102 without a selection having been made.
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103 */ );
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104 #endif
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105
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106 Fset (Qmenu_no_selection_hook, Qnil);
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107 #endif /* HAVE_POPUPS */
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108 }
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