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428
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1 /* mswindows GUI code. (menubars, scrollbars, toolbars, dialogs)
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2 Copyright (C) 1998 Andy Piper.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 #include <config.h>
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24 #include "lisp.h"
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442
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25 #include "console-msw.h"
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26 #include "redisplay.h"
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428
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27 #include "gui.h"
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442
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28 #include "glyphs.h"
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428
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29 #include "frame.h"
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30 #include "elhash.h"
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442
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31 #include "events.h"
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440
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32 #include "buffer.h"
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428
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33
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34 /*
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35 * Return value is Qt if we have dispatched the command,
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36 * or Qnil if id has not been mapped to a callback.
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37 * Window procedure may try other targets to route the
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38 * command if we return nil
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39 */
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40 Lisp_Object
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442
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41 mswindows_handle_gui_wm_command (struct frame* f, HWND ctrl, LPARAM id)
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428
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42 {
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43 /* Try to map the command id through the proper hash table */
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442
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44 Lisp_Object callback, callback_ex, image_instance, frame, event;
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45
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46 XSETFRAME (frame, f);
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428
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47
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440
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48 /* #### make_int should assert that --kkm */
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49 assert (XINT (make_int (id)) == id);
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50
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442
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51 image_instance = Fgethash (make_int (id),
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52 FRAME_MSWINDOWS_WIDGET_HASH_TABLE1 (f), Qnil);
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53 /* It is possible for a widget action to cause it to get out of sync
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54 with its instantiator. Thus it is necessary to signal this
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55 possibility. */
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56 if (IMAGE_INSTANCEP (image_instance))
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57 XIMAGE_INSTANCE_WIDGET_ACTION_OCCURRED (image_instance) = 1;
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58 callback = Fgethash (make_int (id),
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59 FRAME_MSWINDOWS_WIDGET_HASH_TABLE2 (f), Qnil);
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60 callback_ex = Fgethash (make_int (id),
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61 FRAME_MSWINDOWS_WIDGET_HASH_TABLE3 (f), Qnil);
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428
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62
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442
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63 if (!NILP (callback_ex) && !UNBOUNDP (callback_ex))
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64 {
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65 event = Fmake_event (Qnil, Qnil);
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440
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66
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442
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67 XEVENT (event)->event_type = misc_user_event;
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68 XEVENT (event)->channel = frame;
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69 XEVENT (event)->timestamp = GetTickCount ();
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70 XEVENT (event)->event.eval.function = Qeval;
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71 XEVENT (event)->event.eval.object =
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72 list4 (Qfuncall, callback_ex, image_instance, event);
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73 }
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74 else if (NILP (callback) || UNBOUNDP (callback))
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75 return Qnil;
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76 else
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77 {
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78 Lisp_Object fn, arg;
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440
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79
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442
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80 event = Fmake_event (Qnil, Qnil);
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440
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81
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442
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82 get_gui_callback (callback, &fn, &arg);
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83 XEVENT (event)->event_type = misc_user_event;
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84 XEVENT (event)->channel = frame;
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85 XEVENT (event)->timestamp = GetTickCount ();
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86 XEVENT (event)->event.eval.function = fn;
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87 XEVENT (event)->event.eval.object = arg;
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88 }
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89
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90 mswindows_enqueue_dispatch_event (event);
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91 /* The result of this evaluation could cause other instances to change so
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92 enqueue an update callback to check this. */
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93 enqueue_magic_eval_event (update_widget_instances, frame);
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94 return Qt;
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440
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95 }
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96
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97 void
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98 syms_of_gui_mswindows (void)
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99 {
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100 }
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