annotate src/scrollbar-msw.c @ 826:6728e641994e

[xemacs-hg @ 2002-05-05 11:30:15 by ben] syntax cache, 8-bit-format, lots of code cleanup README.packages: Update info about --package-path. i.c: Create an inheritable event and pass it on to XEmacs, so that ^C can be handled properly. Intercept ^C and signal the event. "Stop Build" in VC++ now works. bytecomp-runtime.el: Doc string changes. compat.el: Some attempts to redo this to make it truly useful and fix the "multiple versions interacting with each other" problem. Not yet done. Currently doesn't work. files.el: Use with-obsolete-variable to avoid warnings in new revert-buffer code. xemacs.mak: Split up CFLAGS into a version without flags specifying the C library. The problem seems to be that minitar depends on zlib, which depends specifically on libc.lib, not on any of the other C libraries. Unless you compile with libc.lib, you get errors -- specifically, no _errno in the other libraries, which must make it something other than an int. (#### But this doesn't seem to obtain in XEmacs, which also uses zlib, and can be linked with any of the C libraries. Maybe zlib is used differently and doesn't need errno, or maybe XEmacs provides an int errno; ... I don't understand. Makefile.in.in: Fix so that packages are around when testing. abbrev.c, alloc.c, buffer.c, buffer.h, bytecode.c, callint.c, casefiddle.c, casetab.c, casetab.h, charset.h, chartab.c, chartab.h, cmds.c, console-msw.h, console-stream.c, console-x.c, console.c, console.h, data.c, device-msw.c, device.c, device.h, dialog-msw.c, dialog-x.c, dired-msw.c, dired.c, doc.c, doprnt.c, dumper.c, editfns.c, elhash.c, emacs.c, eval.c, event-Xt.c, event-gtk.c, event-msw.c, event-stream.c, events.c, events.h, extents.c, extents.h, faces.c, file-coding.c, file-coding.h, fileio.c, fns.c, font-lock.c, frame-gtk.c, frame-msw.c, frame-x.c, frame.c, frame.h, glade.c, glyphs-gtk.c, glyphs-msw.c, glyphs-msw.h, glyphs-x.c, glyphs.c, glyphs.h, gui-msw.c, gui-x.c, gui.h, gutter.h, hash.h, indent.c, insdel.c, intl-win32.c, intl.c, keymap.c, lisp-disunion.h, lisp-union.h, lisp.h, lread.c, lrecord.h, lstream.c, lstream.h, marker.c, menubar-gtk.c, menubar-msw.c, menubar-x.c, menubar.c, minibuf.c, mule-ccl.c, mule-charset.c, mule-coding.c, mule-wnnfns.c, nas.c, objects-msw.c, objects-x.c, opaque.c, postgresql.c, print.c, process-nt.c, process-unix.c, process.c, process.h, profile.c, rangetab.c, redisplay-gtk.c, redisplay-msw.c, redisplay-output.c, redisplay-x.c, redisplay.c, redisplay.h, regex.c, regex.h, scrollbar-msw.c, search.c, select-x.c, specifier.c, specifier.h, symbols.c, symsinit.h, syntax.c, syntax.h, syswindows.h, tests.c, text.c, text.h, tooltalk.c, ui-byhand.c, ui-gtk.c, unicode.c, win32.c, window.c: Another big Ben patch. -- FUNCTIONALITY CHANGES: add partial support for 8-bit-fixed, 16-bit-fixed, and 32-bit-fixed formats. not quite done yet. (in particular, needs functions to actually convert the buffer.) NOTE: lots of changes to regex.c here. also, many new *_fmt() inline funs that take an Internal_Format argument. redo syntax cache code. make the cache per-buffer; keep the cache valid across calls to functions that use it. also keep it valid across insertions/deletions and extent changes, as much as is possible. eliminate the junky regex-reentrancy code by passing in the relevant lisp info to the regex routines as local vars. add general mechanism in extents code for signalling extent changes. fix numerous problems with the case-table implementation; yoshiki never properly transferred many algorithms from old-style to new-style case tables. redo char tables to support a default argument, so that mapping only occurs over changed args. change many chartab functions to accept Lisp_Object instead of Lisp_Char_Table *. comment out the code in font-lock.c by default, because font-lock.el no longer uses it. we should consider eliminating it entirely. Don't output bell as ^G in console-stream when not a TTY. add -mswindows-termination-handle to interface with i.c, so we can properly kill a build. add more error-checking to buffer/string macros. add some additional buffer_or_string_() funs. -- INTERFACE CHANGES AFFECTING MORE CODE: switch the arguments of write_c_string and friends to be consistent with write_fmt_string, which must have printcharfun first. change BI_* macros to BYTE_* for increased clarity; similarly for bi_* local vars. change VOID_TO_LISP to be a one-argument function. eliminate no-longer-needed CVOID_TO_LISP. -- char/string macro changes: rename MAKE_CHAR() to make_emchar() for slightly less confusion with make_char(). (The former generates an Emchar, the latter a Lisp object. Conceivably we should rename make_char() -> wrap_char() and similarly for make_int(), make_float().) Similar changes for other *CHAR* macros -- we now consistently use names with `emchar' whenever we are working with Emchars. Any remaining name with just `char' always refers to a Lisp object. rename macros with XSTRING_* to string_* except for those that reference actual fields in the Lisp_String object, following conventions used elsewhere. rename set_string_{data,length} macros (the only ones to work with a Lisp_String_* instead of a Lisp_Object) to set_lispstringp_* to make the difference clear. try to be consistent about caps vs. lowercase in macro/inline-fun names for chars and such, which wasn't the case before. we now reserve caps either for XFOO_ macros that reference object fields (e.g. XSTRING_DATA) or for things that have non-function semantics, e.g. directly modifying an arg (BREAKUP_EMCHAR) or evaluating an arg (any arg) more than once. otherwise, use lowercase. here is a summary of most of the macros/inline funs changed by all of the above changes: BYTE_*_P -> byte_*_p XSTRING_BYTE -> string_byte set_string_data/length -> set_lispstringp_data/length XSTRING_CHAR_LENGTH -> string_char_length XSTRING_CHAR -> string_emchar INTBYTE_FIRST_BYTE_P -> intbyte_first_byte_p INTBYTE_LEADING_BYTE_P -> intbyte_leading_byte_p charptr_copy_char -> charptr_copy_emchar LEADING_BYTE_* -> leading_byte_* CHAR_* -> EMCHAR_* *_CHAR_* -> *_EMCHAR_* *_CHAR -> *_EMCHAR CHARSET_BY_ -> charset_by_* BYTE_SHIFT_JIS* -> byte_shift_jis* BYTE_BIG5* -> byte_big5* REP_BYTES_BY_FIRST_BYTE -> rep_bytes_by_first_byte char_to_unicode -> emchar_to_unicode valid_char_p -> valid_emchar_p Change intbyte_strcmp -> qxestrcmp_c (duplicated functionality). -- INTERFACE CHANGES AFFECTING LESS CODE: use DECLARE_INLINE_HEADER in various places. remove '#ifdef emacs' from XEmacs-only files. eliminate CHAR_TABLE_VALUE(), which duplicated the functionality of get_char_table(). add BUFFER_TEXT_LOOP to simplify iterations over buffer text. define typedefs for signed and unsigned types of fixed sizes (INT_32_BIT, UINT_32_BIT, etc.). create ALIGN_FOR_TYPE as a higher-level interface onto ALIGN_SIZE; fix code to use it. add charptr_emchar_len to return the text length of the character pointed to by a ptr; use it in place of charcount_to_bytecount(..., 1). add emchar_len to return the text length of a given character. add types Bytexpos and Charxpos to generalize Bytebpos/Bytecount and Charbpos/Charcount, in code (particularly, the extents code and redisplay code) that works with either kind of index. rename redisplay struct params with names such as `charbpos' to e.g. `charpos' when they are e.g. a Charxpos, not a Charbpos. eliminate xxDEFUN in place of DEFUN; no longer necessary with changes awhile back to doc.c. split up big ugly combined list of EXFUNs in lisp.h on a file-by-file basis, since other prototypes are similarly split. rewrite some "*_UNSAFE" macros as inline funs and eliminate the _UNSAFE suffix. move most string code from lisp.h to text.h; the string code and text.h code is now intertwined in such a fashion that they need to be in the same place and partially interleaved. (you can't create forward references for inline funs) automated/lisp-tests.el, automated/symbol-tests.el, automated/test-harness.el: Fix test harness to output FAIL messages to stderr when in batch mode. Fix up some problems in lisp-tests/symbol-tests that were causing spurious failures.
author ben
date Sun, 05 May 2002 11:33:57 +0000
parents 6504113e7c2d
children 79c6ff3eef26
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1 /* scrollbar implementation -- mswindows interface.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1994 Amdahl Corporation.
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4 Copyright (C) 1995 Sun Microsystems, Inc.
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5 Copyright (C) 1995 Darrell Kindred <dkindred+@cmu.edu>.
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6 Copyright (C) 2001, 2002 Ben Wing.
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7
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8 This file is part of XEmacs.
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9
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10 XEmacs is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 2, or (at your option) any
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13 later version.
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14
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15 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with XEmacs; see the file COPYING. If not, write to
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22 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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23 Boston, MA 02111-1307, USA. */
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24
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25 /* Synched up with: Not in FSF. */
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26
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27 /* This file essentially Mule-ized (except perhaps some Unicode splitting).
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28 5-2000. */
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29
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30 #include <config.h>
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31 #include "lisp.h"
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32
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33 #include "device.h"
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34 #include "elhash.h"
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35 #include "events.h"
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36 #include "frame.h"
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37 #include "opaque.h"
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38 #include "scrollbar.h"
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39 #include "specifier.h"
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40 #include "window.h"
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41
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42 #include "console-msw.h"
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43 #include "scrollbar-msw.h"
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44
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45 /* We use a similar sort of vertical scrollbar drag hack for mswindows
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46 * scrollbars as is used for Motif or Lucid scrollbars under X.
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47 * We do character-based instead of line-based scrolling, which can mean that
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48 * without the hack it is impossible to drag to the end of a buffer. */
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49 #define VERTICAL_SCROLLBAR_DRAG_HACK
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50
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51 static int vertical_drag_in_progress = 0;
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52 extern Lisp_Object mswindows_find_frame (HWND hwnd);
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53
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54 /* As long as the HWND is around, the scrollbar instance must be GC-protected.
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55 We have gotten crashes, apparently from trying to access a dead, freed
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56 frame inside of a window mirror pointed to by the scrollbar structure. */
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57 static Lisp_Object Vmswindows_scrollbar_instance_table;
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58
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59 static void
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60 mswindows_create_scrollbar_instance (struct frame *f, int vertical,
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61 struct scrollbar_instance *sb)
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62 {
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63 int orientation;
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64 Lisp_Object ptr;
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65
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66 sb->scrollbar_data = xnew_and_zero (struct mswindows_scrollbar_data);
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67
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68 if (vertical)
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69 orientation = SBS_VERT;
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70 else
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71 orientation = SBS_HORZ;
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72
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73 SCROLLBAR_MSW_HANDLE (sb) =
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74 qxeCreateWindowEx (0, XETEXT ("SCROLLBAR"), 0, orientation|WS_CHILD,
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75 CW_USEDEFAULT, CW_USEDEFAULT,
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76 CW_USEDEFAULT, CW_USEDEFAULT,
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77 FRAME_MSWINDOWS_HANDLE (f),
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78 NULL, NULL, NULL);
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79 SCROLLBAR_MSW_INFO (sb).cbSize = sizeof (SCROLLINFO);
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80 SCROLLBAR_MSW_INFO (sb).fMask = SIF_ALL;
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81 GetScrollInfo (SCROLLBAR_MSW_HANDLE (sb), SB_CTL,
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82 &SCROLLBAR_MSW_INFO (sb));
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83 ptr = make_opaque_ptr (SCROLLBAR_MSW_HANDLE (sb));
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84 Fputhash (ptr, wrap_scrollbar_instance (sb),
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85 Vmswindows_scrollbar_instance_table);
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86 qxeSetWindowLong (SCROLLBAR_MSW_HANDLE (sb), GWL_USERDATA,
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87 (LONG) LISP_TO_VOID (ptr));
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88 }
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89
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90 static void
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91 mswindows_free_scrollbar_instance (struct scrollbar_instance *sb)
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92 {
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93 void *opaque =
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94 (void *) qxeGetWindowLong (SCROLLBAR_MSW_HANDLE (sb), GWL_USERDATA);
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95 Lisp_Object ptr;
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96
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97 ptr = VOID_TO_LISP (opaque);
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98 assert (OPAQUE_PTRP (ptr));
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99 ptr = Fremhash (ptr, Vmswindows_scrollbar_instance_table);
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100 assert (!NILP (ptr));
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101 DestroyWindow (SCROLLBAR_MSW_HANDLE (sb));
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102 if (sb->scrollbar_data)
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103 xfree (sb->scrollbar_data);
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104 }
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105
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106 static void
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107 unshow_that_mofo (void *handle)
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108 {
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109 ShowScrollBar ((HWND) handle, SB_CTL, 0);
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110 }
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111
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parents: 546
diff changeset
112 static void
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
113 mswindows_release_scrollbar_instance (struct scrollbar_instance *sb)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
114 {
611
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
115 if (gc_in_progress)
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
116 /* #### way bogus! need to remove the offending call.
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
117 see mark_redisplay(). */
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
118 register_post_gc_action (unshow_that_mofo,
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
119 (void *) SCROLLBAR_MSW_HANDLE (sb));
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
120 else
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
121 ShowScrollBar (SCROLLBAR_MSW_HANDLE (sb), SB_CTL, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
122 SCROLLBAR_MSW_SIZE (sb) = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
123 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
124
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
125 #define UPDATE_POS_FIELD(field) \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
126 if (new_##field >= 0 && SCROLLBAR_MSW_DATA (sb)->field != new_##field) { \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
127 SCROLLBAR_MSW_DATA (sb)->field = new_##field; \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
128 pos_changed = 1; \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
129 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
130
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
131 static void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
132 mswindows_update_scrollbar_instance_values (struct window *w,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
133 struct scrollbar_instance *sb,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
134 int new_line_increment,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
135 int new_page_increment,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
136 int new_minimum, int new_maximum,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
137 int new_slider_size,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
138 int new_slider_position,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
139 int new_scrollbar_width,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
140 int new_scrollbar_height,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
141 int new_scrollbar_x,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
142 int new_scrollbar_y)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
143 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
144 int pos_changed = 0;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 707
diff changeset
145 int vert = qxeGetWindowLong (SCROLLBAR_MSW_HANDLE (sb), GWL_STYLE) & SBS_VERT;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
146
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
147 #if 0
3ecd8885ac67 Import from CVS: tag r21-2-22
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148 stderr_out ("[%d, %d], page = %d, pos = %d, inhibit = %d\n", new_minimum, new_maximum,
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
149 new_slider_size, new_slider_position,inhibit_slider_size_change);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
150 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
151
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
152 /* These might be optimized, but since at least one will change at each
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
153 call, it's probably not worth it. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
154 SCROLLBAR_MSW_INFO (sb).nMin = new_minimum;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
155 SCROLLBAR_MSW_INFO (sb).nMax = new_maximum;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
156 SCROLLBAR_MSW_INFO (sb).nPage = new_slider_size + 1; /* +1 for DISABLENOSCROLL */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
157 SCROLLBAR_MSW_INFO (sb).nPos = new_slider_position;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
158 #ifndef VERTICAL_SCROLLBAR_DRAG_HACK
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
159 SCROLLBAR_MSW_INFO (sb).fMask = ((vert && vertical_drag_in_progress)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
160 ? SIF_RANGE | SIF_POS
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
161 : SIF_ALL | SIF_DISABLENOSCROLL);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
162 #else
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
163 SCROLLBAR_MSW_INFO (sb).fMask = SIF_ALL | SIF_DISABLENOSCROLL;
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
164
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
165 /* Ignore XEmacs' requests to update the thumb position and size; they don't
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
166 * bear any relation to reality because we're reporting made-up positions */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
167 if (!(vert && vertical_drag_in_progress))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
168 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
169 SetScrollInfo (SCROLLBAR_MSW_HANDLE (sb), SB_CTL, &SCROLLBAR_MSW_INFO (sb),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
170 TRUE);
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
171
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
172 UPDATE_POS_FIELD (scrollbar_x);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
173 UPDATE_POS_FIELD (scrollbar_y);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
174 UPDATE_POS_FIELD (scrollbar_width);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
175 UPDATE_POS_FIELD (scrollbar_height);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
176
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
177 if (pos_changed)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
178 {
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
179 MoveWindow (SCROLLBAR_MSW_HANDLE (sb),
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
180 new_scrollbar_x, new_scrollbar_y,
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
181 new_scrollbar_width, new_scrollbar_height,
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
182 TRUE);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
183 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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184 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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185
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
186 static void
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
187 mswindows_update_scrollbar_instance_status (struct window *w,
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
188 int active, int size,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
189 struct scrollbar_instance *sb)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
190 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
191 if (SCROLLBAR_MSW_SIZE (sb) != size)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
192 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
193 SCROLLBAR_MSW_SIZE (sb) = size;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
194 ShowScrollBar (SCROLLBAR_MSW_HANDLE (sb), SB_CTL,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
195 SCROLLBAR_MSW_SIZE (sb));
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
196 SCROLLBAR_MSW_INFO(sb).fMask |= SIF_DISABLENOSCROLL;
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
197 SetScrollInfo(SCROLLBAR_MSW_HANDLE (sb), SB_CTL, &SCROLLBAR_MSW_INFO (sb), TRUE);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
198 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
199 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
200
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
201 void
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
202 mswindows_handle_scrollbar_event (HWND hwnd, int code, int pos)
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
203 {
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
204 struct frame *f;
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
205 Lisp_Object win, frame;
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
206 struct scrollbar_instance *sb = 0;
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
207 void *v;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
208 SCROLLINFO scrollinfo;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 707
diff changeset
209 int vert = qxeGetWindowLong (hwnd, GWL_STYLE) & SBS_VERT;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
210 int value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
211
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 707
diff changeset
212 v = (void *) qxeGetWindowLong (hwnd, GWL_USERDATA);
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
213 if (!v)
546
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
214 {
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
215 /* apparently this can happen, as it was definitely necessary
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
216 to put the check in for sb below (VERTICAL_SCROLLBAR_DRAG_HACK) */
546
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
217 frame = mswindows_find_frame (hwnd);
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
218 f = XFRAME (frame);
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
219 win = FRAME_SELECTED_WINDOW (f);
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
220 }
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
221 else
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
222 {
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
223 Lisp_Object ptr;
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 819
diff changeset
224 ptr = VOID_TO_LISP (v);
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
225 assert (OPAQUE_PTRP (ptr));
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
226 ptr = Fgethash (ptr, Vmswindows_scrollbar_instance_table, Qnil);
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
227 sb = XSCROLLBAR_INSTANCE (ptr);
664
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
228 /* #### we're still hitting an abort here with 0 as the second
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
229 parameter, although only occasionally. It seems that sometimes we
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
230 receive events for scrollbars that don't exist anymore. I assume
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
231 it must happen like this: The user does something that causes a
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
232 scrollbar to disappear (e.g. Alt-TAB, causing recomputation of
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
233 everything in the new frame) and then immediately uses the mouse
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
234 wheel, generating scrollbar events. Both events get posted before
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
235 we have a chance to process them, and in processing the first, the
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
236 scrollbar mentioned in the second disappears. */
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
237 win = real_window (sb->mirror, 1);
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
238 if (NILP (win))
6e99cc8c6ca5 [xemacs-hg @ 2001-09-18 05:04:26 by ben]
ben
parents: 617
diff changeset
239 return;
617
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
ben
parents: 611
diff changeset
240 frame = WINDOW_FRAME (XWINDOW (win));
546
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
241 f = XFRAME (frame);
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
242 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
243
673
685b588e92d8 [xemacs-hg @ 2001-10-30 05:13:26 by andyp]
andyp
parents: 665
diff changeset
244 /* SB_LINEDOWN == SB_CHARLEFT etc. This is the way they will
685b588e92d8 [xemacs-hg @ 2001-10-30 05:13:26 by andyp]
andyp
parents: 665
diff changeset
245 always be - any Windows is binary compatible backward with
685b588e92d8 [xemacs-hg @ 2001-10-30 05:13:26 by andyp]
andyp
parents: 665
diff changeset
246 old programs */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
247
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
248 switch (code)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
249 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
250 case SB_LINEDOWN:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
251 mswindows_enqueue_misc_user_event
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
252 (frame, vert ? Qscrollbar_line_down : Qscrollbar_char_right, win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
253 break;
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
254
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
255 case SB_LINEUP:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
256 mswindows_enqueue_misc_user_event
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
257 (frame, vert ? Qscrollbar_line_up : Qscrollbar_char_left, win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
258 break;
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
259
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
260 case SB_PAGEDOWN:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
261 mswindows_enqueue_misc_user_event
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
262 (win, vert ? Qscrollbar_page_down : Qscrollbar_page_right,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
263 vert ? Fcons (win, Qnil) : win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
264 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
265
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
266 case SB_PAGEUP:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
267 mswindows_enqueue_misc_user_event
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
268 (frame,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
269 vert ? Qscrollbar_page_up : Qscrollbar_page_left,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
270 vert ? Fcons (win, Qnil) : win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
271 break;
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
272
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
273 case SB_BOTTOM:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
274 mswindows_enqueue_misc_user_event
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
275 (frame, vert ? Qscrollbar_to_bottom : Qscrollbar_to_right, win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
276 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
277
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
278 case SB_TOP:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
279 mswindows_enqueue_misc_user_event
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
280 (frame, vert ? Qscrollbar_to_top : Qscrollbar_to_left, win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
281 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
282
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
283 case SB_THUMBTRACK:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
284 case SB_THUMBPOSITION:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
285 scrollinfo.cbSize = sizeof(SCROLLINFO);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
286 scrollinfo.fMask = SIF_ALL;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
287 GetScrollInfo (hwnd, SB_CTL, &scrollinfo);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
288 vertical_drag_in_progress = vert;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
289 #ifdef VERTICAL_SCROLLBAR_DRAG_HACK
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
290 if (vert && (scrollinfo.nTrackPos > scrollinfo.nPos))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
291 /* new buffer position =
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
292 * buffer position at start of drag +
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
293 * ((text remaining in buffer at start of drag) *
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
294 * (amount that the thumb has been moved) /
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
295 * (space that remained past end of the thumb at start of drag)) */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
296 value = (int)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
297 (scrollinfo.nPos
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
298 + (((double)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
299 (scrollinfo.nMax - scrollinfo.nPos)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
300 * (scrollinfo.nTrackPos - scrollinfo.nPos))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
301 / (scrollinfo.nMax - scrollinfo.nPage - scrollinfo.nPos)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
302 - 2; /* ensure that the last line doesn't disappear off screen */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
303 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
304 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
305 value = scrollinfo.nTrackPos;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
306 mswindows_enqueue_misc_user_event
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
307 (frame,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
308 vert ? Qscrollbar_vertical_drag : Qscrollbar_horizontal_drag,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
309 Fcons (win, make_int (value)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
310 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
311
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
312 case SB_ENDSCROLL:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
313 #ifdef VERTICAL_SCROLLBAR_DRAG_HACK
546
666d73d6ac56 [xemacs-hg @ 2001-05-20 01:17:07 by ben]
ben
parents: 487
diff changeset
314 if (vertical_drag_in_progress && sb)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
315 /* User has just dropped the thumb - finally update it */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
316 SetScrollInfo (SCROLLBAR_MSW_HANDLE (sb), SB_CTL,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
317 &SCROLLBAR_MSW_INFO (sb), TRUE);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
318 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
319 vertical_drag_in_progress = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
320 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
321 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
322 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
323
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
324 static int
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 707
diff changeset
325 can_scroll (struct scrollbar_instance *scrollbar)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
326 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
327 return scrollbar != NULL
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
328 && IsWindowVisible (SCROLLBAR_MSW_HANDLE (scrollbar))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
329 && IsWindowEnabled (SCROLLBAR_MSW_HANDLE (scrollbar));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
330 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
331
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
332 int
464
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
333 mswindows_handle_mousewheel_event (Lisp_Object frame, int keys, int delta,
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
334 POINTS where)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
335 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 428
diff changeset
336 int hasVertBar, hasHorzBar; /* Indicates presence of scroll bars */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
337 unsigned wheelScrollLines = 0; /* Number of lines per wheel notch */
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 819
diff changeset
338 Lisp_Object win = Qnil, corpore, sano;
464
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
339 struct window_mirror *mirror;
707
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
340 int mene, _mene, tekel, upharsin;
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
341 Charbpos mens, sana;
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
342 Charcount in;
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
343 struct window *needle_in_haystack = 0;
464
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
344 POINT donde_esta;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
345
464
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
346 donde_esta.x = where.x;
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
347 donde_esta.y = where.y;
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
348
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
349 /* Find the window to scroll */
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
350
707
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
351 /* The mouse event could actually occur outside of the emacs
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
352 frame. */
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
353 if (ScreenToClient (FRAME_MSWINDOWS_HANDLE (XFRAME (frame)),
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
354 &donde_esta) != 0)
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
355 {
819
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
356 /* stderr_out ("donde_esta: %d %d\n", donde_esta.x, donde_esta.y); */
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
357 pixel_to_glyph_translation (XFRAME (frame), donde_esta.x, donde_esta.y,
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
358 &mene, &_mene, &tekel, &upharsin,
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
359 &needle_in_haystack,
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
360 &mens, &sana, &in, &corpore, &sano);
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
361
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
362 if (needle_in_haystack)
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
363 {
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
364 win = wrap_window (needle_in_haystack);
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
365 /* stderr_out ("found needle\n");
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
366 debug_print (win); */
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
367 }
707
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
368 }
819
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
369
6504113e7c2d [xemacs-hg @ 2002-04-25 18:03:23 by andyp]
andyp
parents: 814
diff changeset
370 if (!needle_in_haystack)
707
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
371 {
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
372 win = FRAME_SELECTED_WINDOW (XFRAME (frame));
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
373 needle_in_haystack = XWINDOW (win);
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
374 }
464
5aa1854ad537 Import from CVS: tag r21-2-47
cvs
parents: 442
diff changeset
375
707
a307f9a2021d [xemacs-hg @ 2001-12-20 05:49:28 by andyp]
andyp
parents: 673
diff changeset
376 mirror = find_window_mirror (needle_in_haystack);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
377
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
378 /* Check that there is something to scroll */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
379 hasVertBar = can_scroll (mirror->scrollbar_vertical_instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
380 hasHorzBar = can_scroll (mirror->scrollbar_horizontal_instance);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
381 if (!hasVertBar && !hasHorzBar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
382 return FALSE;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
383
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
384 /* No support for panning and zooming, so ignore */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
385 if (keys & (MK_SHIFT | MK_CONTROL))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
386 return FALSE;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
387
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
388 /* Get the number of lines per wheel delta */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 707
diff changeset
389 qxeSystemParametersInfo (SPI_GETWHEELSCROLLLINES, 0, &wheelScrollLines, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
390
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
391 /* Calculate the amount to scroll */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
392 if (wheelScrollLines == WHEEL_PAGESCROLL)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
393 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
394 /* Scroll by a page */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
395 Lisp_Object function;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
396 if (hasVertBar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
397 function = delta > 0 ? Qscrollbar_page_up : Qscrollbar_page_down;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
398 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
399 function = delta > 0 ? Qscrollbar_page_left : Qscrollbar_page_right;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
400 mswindows_enqueue_misc_user_event (frame, function, Fcons (win, Qnil));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
401 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
402 else /* Scroll by a number of lines */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
403 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
404 /* Calc the number of lines to scroll */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
405 int toScroll = MulDiv (delta, wheelScrollLines, WHEEL_DELTA);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
406
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
407 /* Do the scroll */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
408 Lisp_Object function;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
409 if (hasVertBar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
410 function = delta > 0 ? Qscrollbar_line_up : Qscrollbar_line_down;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
411 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
412 function = delta > 0 ? Qscrollbar_char_left : Qscrollbar_char_right;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
413 if (toScroll < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
414 toScroll = -toScroll;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
415 while (toScroll--)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
416 mswindows_enqueue_misc_user_event (frame, function, win);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
417 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
418
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
419 return TRUE;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
420 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
421
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
422 #ifdef MEMORY_USAGE_STATS
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
423
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
424 static int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
425 mswindows_compute_scrollbar_instance_usage (struct device *d,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
426 struct scrollbar_instance *inst,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
427 struct overhead_stats *ovstats)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
428 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
429 int total = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
430
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
431 while (inst)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
432 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
433 struct mswindows_scrollbar_data *data =
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
434 (struct mswindows_scrollbar_data *) inst->scrollbar_data;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
435
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
436 total += malloced_storage_size (data, sizeof (*data), ovstats);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
437 inst = inst->next;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
438 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
439
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
440 return total;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
441 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
442
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
443 #endif /* MEMORY_USAGE_STATS */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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444
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445 /************************************************************************/
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446 /* Device-specific ghost specifiers initialization */
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447 /************************************************************************/
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448
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449 DEFUN ("mswindows-init-scrollbar-metrics", Fmswindows_init_scrollbar_metrics,
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450 1, 1, 0, /*
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451 */
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452 (locale))
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453 {
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454 if (DEVICEP (locale))
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455 {
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456 add_spec_to_ghost_specifier (Vscrollbar_width,
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457 make_int (GetSystemMetrics (SM_CXVSCROLL)),
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458 locale, Qmswindows, Qnil);
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459 add_spec_to_ghost_specifier (Vscrollbar_height,
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460 make_int (GetSystemMetrics (SM_CYHSCROLL)),
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461 locale, Qmswindows, Qnil);
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462 }
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463 return Qnil;
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464 }
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465
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466
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467 /************************************************************************/
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468 /* initialization */
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469 /************************************************************************/
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470
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471 void
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472 console_type_create_scrollbar_mswindows (void)
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473 {
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474 CONSOLE_HAS_METHOD (mswindows, create_scrollbar_instance);
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475 CONSOLE_HAS_METHOD (mswindows, free_scrollbar_instance);
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476 CONSOLE_HAS_METHOD (mswindows, release_scrollbar_instance);
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477 CONSOLE_HAS_METHOD (mswindows, update_scrollbar_instance_values);
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478 CONSOLE_HAS_METHOD (mswindows, update_scrollbar_instance_status);
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479 /* CONSOLE_HAS_METHOD (mswindows, scrollbar_width_changed_in_frame); */
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480 #ifdef MEMORY_USAGE_STATS
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481 CONSOLE_HAS_METHOD (mswindows, compute_scrollbar_instance_usage);
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482 #endif
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483 }
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484
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485 void
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486 syms_of_scrollbar_mswindows (void)
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487 {
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488 DEFSUBR (Fmswindows_init_scrollbar_metrics);
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489 }
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490
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491 void
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492 vars_of_scrollbar_mswindows (void)
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493 {
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494 Fprovide (intern ("mswindows-scrollbars"));
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495
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496 staticpro (&Vmswindows_scrollbar_instance_table);
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497 Vmswindows_scrollbar_instance_table =
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498 make_lisp_hash_table (100, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ);
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499 }