annotate src/scrollbar.h @ 563:183866b06e0b

[xemacs-hg @ 2001-05-24 07:50:48 by ben] Makefile.in.in, abbrev.c, alloc.c, buffer.c, bytecode.c, callint.c, callproc.c, casetab.c, chartab.c, cmdloop.c, cmds.c, console-msw.c, console-msw.h, console-stream.c, console-tty.c, console-x.c, console.c, data.c, database.c, debug.c, device-gtk.c, device-msw.c, device-tty.c, device-x.c, device.c, dialog-gtk.c, dialog-msw.c, dialog-x.c, dialog.c, dired-msw.c, dired.c, doc.c, doprnt.c, dragdrop.c, editfns.c, eldap.c, eldap.h, elhash.c, emacs-widget-accessors.c, emacs.c, emodules.c, esd.c, eval.c, event-Xt.c, event-gtk.c, event-msw.c, event-stream.c, events.c, extents.c, faces.c, file-coding.c, fileio.c, filelock.c, floatfns.c, fns.c, font-lock.c, frame-gtk.c, frame-x.c, frame.c, general-slots.h, glade.c, glyphs-gtk.c, glyphs-msw.c, glyphs-widget.c, glyphs-x.c, glyphs.c, glyphs.h, gpmevent.c, gui-gtk.c, gui-x.c, gui.c, gutter.c, hpplay.c, indent.c, input-method-xlib.c, insdel.c, intl.c, keymap.c, libsst.c, libsst.h, linuxplay.c, lisp.h, lread.c, lstream.c, lstream.h, macros.c, marker.c, md5.c, menubar-gtk.c, menubar-msw.c, menubar-x.c, menubar.c, minibuf.c, miscplay.c, miscplay.h, mule-ccl.c, mule-charset.c, mule-wnnfns.c, mule.c, nas.c, ntplay.c, ntproc.c, objects-gtk.c, objects-msw.c, objects-x.c, objects.c, postgresql.c, print.c, process-nt.c, process-unix.c, process.c, ralloc.c, rangetab.c, redisplay.c, scrollbar.c, search.c, select-gtk.c, select-x.c, select.c, sgiplay.c, sheap.c, sound.c, specifier.c, sunplay.c, symbols.c, symeval.h, symsinit.h, syntax.c, sysdep.c, toolbar-msw.c, toolbar.c, tooltalk.c, ui-byhand.c, ui-gtk.c, undo.c, unexaix.c, unexapollo.c, unexconvex.c, unexec.c, widget.c, win32.c, window.c: -- defsymbol -> DEFSYMBOL. -- add an error type to all errors. -- eliminate the error functions in eval.c that let you just use Qerror as the type. -- redo the error API to be more consistent, sensibly named, and easier to use. -- redo the error hierarchy somewhat. create new errors: structure-formation-error, gui-error, invalid-constant, stack-overflow, out-of-memory, process-error, network-error, sound-error, printing-unreadable-object, base64-conversion- error; coding-system-error renamed to text-conversion error; some others. -- fix Mule problems in error strings in emodules.c, tooltalk.c. -- fix error handling in mswin open-network-stream. -- Mule-ize all sound files and clean up the headers. -- nativesound.h -> sound.h and used for all sound files. -- move some shared stuff into glyphs-shared.c: first attempt at eliminating some of the massive GTK code duplication. xemacs.mak: add glyphs-shared.c. xemacs-faq.texi: document how to debug X errors subr.el: fix doc string to reflect reality
author ben
date Thu, 24 May 2001 07:51:33 +0000
parents 8de8e3f6228a
children af57a77cbc92
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1 /* Define scrollbar instance.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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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 #ifndef INCLUDED_scrollbar_h_
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24 #define INCLUDED_scrollbar_h_
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25
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26 #ifdef HAVE_SCROLLBARS
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27
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28 struct scrollbar_instance
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29 {
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30 /* Used by the frame caches. */
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31 struct scrollbar_instance *next;
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32
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33 /* Pointer back to the mirror structure attached to. */
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34 struct window_mirror *mirror;
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35
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36 /* This flag indicates if the scrollbar is currently in use. */
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37 char scrollbar_is_active;
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38
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39 /* This flag indicates if a data parameter has changed. */
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40 char scrollbar_instance_changed;
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41
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42 /* A structure of auxiliary data specific to the device type.
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43 struct x_scrollbar_data is used for X window frames; defined in
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44 scrollbar-x.h */
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45 void *scrollbar_data;
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46 };
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47
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48 #define SCROLLBAR_INSTANCE_FRAME(inst) (inst->mirror->frame)
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49
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50 void init_frame_scrollbars (struct frame *f);
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51 void init_device_scrollbars (struct device *d);
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52 void init_global_scrollbars (struct device *d);
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53 void free_frame_scrollbars (struct frame *f);
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54 void release_window_mirror_scrollbars (struct window_mirror *mir);
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55 void update_window_scrollbars (struct window *w,
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56 struct window_mirror *mirror,
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57 int active, int horiz_only);
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58 #ifdef MEMORY_USAGE_STATS
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59 int compute_scrollbar_instance_usage (struct device *d,
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60 struct scrollbar_instance *inst,
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61 struct overhead_stats *ovstats);
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62 #endif
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63
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64 extern Lisp_Object Vscrollbar_width, Vscrollbar_height;
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65
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66 extern Lisp_Object Qscrollbar_line_up;
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67 extern Lisp_Object Qscrollbar_line_down;
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68 extern Lisp_Object Qscrollbar_page_up;
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69 extern Lisp_Object Qscrollbar_page_down;
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70 extern Lisp_Object Qscrollbar_to_top;
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71 extern Lisp_Object Qscrollbar_to_bottom;
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72 extern Lisp_Object Qscrollbar_vertical_drag;
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73
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74 extern Lisp_Object Qscrollbar_char_left;
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75 extern Lisp_Object Qscrollbar_char_right;
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76 extern Lisp_Object Qscrollbar_page_left;
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77 extern Lisp_Object Qscrollbar_page_right;
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78 extern Lisp_Object Qscrollbar_to_left;
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79 extern Lisp_Object Qscrollbar_to_right;
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80 extern Lisp_Object Qscrollbar_horizontal_drag;
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81
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82 #endif /* HAVE_SCROLLBARS */
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83
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84 #endif /* INCLUDED_scrollbar_h_ */