annotate src/scrollbar-msw.c @ 872:79c6ff3eef26

[xemacs-hg @ 2002-06-20 21:18:01 by ben] font changes etc.; some 21.4 changes mule/mule-msw-init-late.el: Specify charset->windows-registry conversion. mule/mule-x-init.el: Delete extra mule font additions here. Put them in faces.c. cl-macs.el: Document better. font-lock.el: Move Lisp function regexp to lisp-mode.el. lisp-mode.el: Various indentation fixes: Handle flet functions better. Handle argument lists in defuns and flets. Handle quoted lists, e.g. property lists -- don't indent like function calls. Distinguish between lambdas and other lists. lisp-mode.el: Handle this form. faces.el, font-menu.el, font.el, gtk-faces.el, msw-faces.el, msw-font-menu.el, x-faces.el, x-init.el: Major overhaul of face-handling code: -- Fix lots of bogus code in msw-faces.el, msw-font-menu.el, font-menu.el that was "truenaming" font specs -- i.e. in the process of frobbing a particular field in a general user-specified font spec with wildcarded fields, sticking in particular values for all the remaining wildcarded fields. This bug was rampant everywhere except in x-faces.el (the oldest and only correctly written code). This also means that we need to work with font names at all times and not font instances, because a font instance is essentially a truenamed font. -- Total rewrite of extremely junky code in msw-faces.el. Work with names as well as font instances, and return names; stop truenaming when canonicalizing and frobbing; fix handling of the combined style field, i.e. weight/slant (also fixed in font.el). -- Totally rewrite the frobbing functions in faces.el. This time, we frob all the instantiators rather than just computing a single instance value and working backwards. That way, e.g., `bold' will work for all charsets that have bold available, rather than only for whatever charset was part of the computed font instance (another example of the truename virus). Also fix up code to look at the fallbacks (all of them) when no global value present, so we don't need to put something in the global value. Intelligently handle a request to frob a buffer locale, rather than signalling an error. When frobbing instantiators, try hard to figure out what device type is associated with them, and frob each according to its own proper device type. Correctly handle inheritance vectors given as instantiators. Preserve existing tags when putting back frobbed instantiators. Extract out general specifier-frobbing code into specifier.el. Document everything cleanly. Do lots of other things better, etc. -- Don't duplicatively set a global specification for the default font -- it's already in the fallback and we no longer need a default global specification present. Delete various code in x-faces.el and msw-faces.el that duplicated the lists of fonts in faces.c. -- init-global-faces was not being called at all under MS Windows! Major bogosity. That caused device-specific values to get stuck into all the fonts, making it very hard to change them -- setting global specs caused nothing to happen. -- Correct weight names in font.el. -- Lots more font fixups in objects*.c. Printer.el: Warning fix. specifier.el: Add more args to map-specifier. Add various "heuristic" specifier functions to aid in creation of specifier-munging code such as in faces.el. subr.el: New functions. lwlib.c: Fix warning. config.inc.samp: Clean up, add args to control fastcall (not yet supported! the changes needed are in another ws of mine), profile support, vc6 support, union-type. xemacs.dsp, xemacs.mak: Semi-major overhaul. Fix bug where dump-id was always getting recomputed, forcing a redump even when nothing changed. Add support for fastcall. Support edit-and-continue (on by default) with vc6. Use incremental linking when doing a debug compilation. Add support for profiling. Consolidate the various debug flags. Partial support for "batch-compiling" -- compiling many files on a single invocation of the compiler. Doesn't seem to help that much for me, so it's not finished or enabled by default. Remove HAVE_MSW_C_DIRED, we always do. Correct some sloppy use of directories. s/cygwin32.h: Allow pdump to work under Cygwin (mmap is broken, so need to undefine HAVE_MMAP). s/win32-common.h, s/windowsnt.h: Support for fastcall. Add WIN32_ANY for identifying all Win32 variants (Cygwin, native, MinGW). Both of these are properly used in another ws. alloc.c, balloon-x.c, buffer.c, bytecode.c, callint.c, cm.c, cmdloop.c, cmds.c, console-gtk.c, console-gtk.h, console-msw.c, console-msw.h, console-stream.c, console-stream.h, console-tty.c, console-tty.h, console-x.c, console-x.h, console.c, console.h, device-gtk.c, device-msw.c, device-tty.c, device-x.c, device.c, device.h, devslots.h, dialog-gtk.c, dialog-msw.c, dialog-x.c, dialog.c, dired-msw.c, editfns.c, emacs.c, event-Xt.c, event-gtk.c, event-msw.c, event-stream.c, event-tty.c, event-unixoid.c, events.c, extents.c, extents.h, faces.c, fileio.c, fns.c, frame-gtk.c, frame-msw.c, frame-tty.c, frame-x.c, frame.c, frame.h, glyphs-eimage.c, glyphs-gtk.c, glyphs-msw.c, glyphs-widget.c, glyphs-x.c, glyphs.c, glyphs.h, gui-gtk.c, gui-msw.c, gui-x.c, gui.c, gutter.c, input-method-xlib.c, intl-encap-win32.c, intl-win32.c, keymap.c, lisp.h, macros.c, menubar-gtk.c, menubar-msw.c, menubar-x.c, menubar.c, menubar.h, minibuf.c, mule-charset.c, nt.c, objects-gtk.c, objects-gtk.h, objects-msw.c, objects-msw.h, objects-tty.c, objects-tty.h, objects-x.c, objects-x.h, objects.c, objects.h, postgresql.c, print.c, process.h, redisplay-gtk.c, redisplay-msw.c, redisplay-output.c, redisplay-tty.c, redisplay-x.c, redisplay.c, redisplay.h, scrollbar-gtk.c, scrollbar-msw.c, scrollbar-x.c, scrollbar.c, select-gtk.c, select-msw.c, select-x.c, select.c, signal.c, sound.c, specifier.c, symbols.c, syntax.c, sysdep.c, syssignal.h, syswindows.h, toolbar-common.c, toolbar-gtk.c, toolbar-msw.c, toolbar-x.c, toolbar.c, unicode.c, window.c, window.h: The following are the major changes made: (1) Separation of various header files into an external and an internal version, similar to the existing separation of process.h and procimpl.h. Eventually this should be done for all Lisp objects. The external version has the same name as currently; the internal adds -impl. The external file has XFOO() macros for objects, but the structure is opaque and defined only in the internal file. It's now reasonable to move all prototypes in lisp.h into the appropriate external file, and this should be done. Currently, separation has been done on extents.h, objects*.h, console.h, device.h, frame.h, and window.h. For c/d/f/w, the most basic properties are available in the external header file, with the macros resolving to functions. In the internal header file, the macros are redefined to directly access the structure. Also, the global MARK_FOO_CHANGED macros have been made into functions so that they can be accessed without needing to include lots of -impl headers -- they are used in almost exclusively in non-time-critical functions, and take up enough time that the function overhead will be negligible. Similarly, the function overhead from making the basic properties mentioned above into functions is negligible, and code that does heavy accessing of c/d/f/w structures inevitably ends up needing the internal header files, anyway. (2) More face changes. -- Major rewrite of objects-msw.c. Now handles wildcard specs properly, rather than "truenaming" (or even worse, signalling an error, which previously happened with some of the fallbacks if you tried to use them in make-font-instance!). -- Split charset matching of fonts into two stages -- one to find a font specifically designed for a particular charset (by examining its registry), the second to find a Unicode font that can support the charset. This needs to proceed as two complete, separate instantiations in order to work properly (otherwise many of the fonts in the HELLO page look wrong). This should also make it easy to support iso10646 (Unicode) fonts under X. -- All default values for fonts are now completely specified in the fallbacks. Stuff from mule-x-init.el has all been moved here, merged with the existing specs, and totally rethought so you get sensible results. (HELLO now looks much better!). -- Generalize the "default X/GTK device" stuff into a per-device-type "default device". -- Add mswindows-{set-}charset-registry. In time, charset<->code-page conversion functions will be removed. -- Wrap protective code around calls to compute device specifier tags, and do this computation before calling the face initialization code because the latter may need these tags to be correctly updated. (3) Other changes. EmacsFrame.c, glyphs-msw.c, eval.c, gui-x.c, intl-encap-win32.c, search.c, signal.c, toolbar-msw.c, unicode.c: Warning fixes. config.h.in: #undefs meant to be frobbed by configure *MUST* go inside of #ifndef WIN32_NO_CONFIGURE, and everything else *MUST* go outside! eval.c: Let detailed backtraces be detailed. specifier.c: Don't override user's print-string-length/print-length settings. glyphs.c: New function image-instance-instantiator. config.h.in, sysdep.c: Changes for fastcall. sysdep.c, nt.c: Fix up a previous botched patch that tried to add support for both EEXIST and EACCES. IF THE BOTCHED PATCH WENT INTO 21.4, THIS FIXUP NEEDS TO GO IN, TOO. search.c: Fix *evil* crash due to incorrect synching of syntax-cache code with 21.1. THIS SHOULD GO INTO 21.4.
author ben
date Thu, 20 Jun 2002 21:19:10 +0000
parents 6728e641994e
children a8d8f419b459
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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-impl.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-impl.h"
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41
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42 #include "console-msw-impl.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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diff changeset
106 static void
611
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ben
parents: 546
diff changeset
107 unshow_that_mofo (void *handle)
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
108 {
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
109 ShowScrollBar ((HWND) handle, SB_CTL, 0);
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
110 }
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
111
38db05db9cb5 [xemacs-hg @ 2001-06-08 12:21:09 by ben]
ben
parents: 546
diff changeset
112 static void
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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113 mswindows_release_scrollbar_instance (struct scrollbar_instance *sb)
3ecd8885ac67 Import from CVS: tag r21-2-22
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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]
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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]
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parents: 546
diff changeset
121 ShowScrollBar (SCROLLBAR_MSW_HANDLE (sb), SB_CTL, 0);
428
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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
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parents:
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131 static void
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
132 mswindows_update_scrollbar_instance_values (struct window *w,
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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133 struct scrollbar_instance *sb,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
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134 int new_line_increment,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
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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:
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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:
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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:
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142 int new_scrollbar_y)
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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143 {
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
144 int pos_changed = 0;
771
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parents: 707
diff changeset
145 int vert = qxeGetWindowLong (SCROLLBAR_MSW_HANDLE (sb), GWL_STYLE) & SBS_VERT;
428
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parents:
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146
3ecd8885ac67 Import from CVS: tag r21-2-22
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147 #if 0
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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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149 new_slider_size, new_slider_position,inhibit_slider_size_change);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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150 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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151
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
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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
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parents:
diff changeset
154 SCROLLBAR_MSW_INFO (sb).nMin = new_minimum;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
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155 SCROLLBAR_MSW_INFO (sb).nMax = new_maximum;
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
156 SCROLLBAR_MSW_INFO (sb).nPage = new_slider_size + 1; /* +1 for DISABLENOSCROLL */
3ecd8885ac67 Import from CVS: tag r21-2-22
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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
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parents:
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159 SCROLLBAR_MSW_INFO (sb).fMask = ((vert && vertical_drag_in_progress)
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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160 ? SIF_RANGE | SIF_POS
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
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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:
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163 SCROLLBAR_MSW_INFO (sb).fMask = SIF_ALL | SIF_DISABLENOSCROLL;
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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164
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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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
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parents:
diff changeset
168 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
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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:
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171
3ecd8885ac67 Import from CVS: tag r21-2-22
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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
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parents:
diff changeset
176
442
abe6d1db359e Import from CVS: tag r21-2-36
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parents: 428
diff changeset
177 if (pos_changed)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
178 {
617
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parents: 611
diff changeset
179 MoveWindow (SCROLLBAR_MSW_HANDLE (sb),
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
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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]
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parents: 611
diff changeset
182 TRUE);
428
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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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185
3ecd8885ac67 Import from CVS: tag r21-2-22
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186 static void
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187 mswindows_update_scrollbar_instance_status (struct window *w,
3ecd8885ac67 Import from CVS: tag r21-2-22
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188 int active, int size,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
189 struct scrollbar_instance *sb)
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
190 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
191 if (SCROLLBAR_MSW_SIZE (sb) != size)
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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192 {
3ecd8885ac67 Import from CVS: tag r21-2-22
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193 SCROLLBAR_MSW_SIZE (sb) = size;
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cvs
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194 ShowScrollBar (SCROLLBAR_MSW_HANDLE (sb), SB_CTL,
3ecd8885ac67 Import from CVS: tag r21-2-22
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195 SCROLLBAR_MSW_SIZE (sb));
3ecd8885ac67 Import from CVS: tag r21-2-22
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196 SCROLLBAR_MSW_INFO(sb).fMask |= SIF_DISABLENOSCROLL;
3ecd8885ac67 Import from CVS: tag r21-2-22
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197 SetScrollInfo(SCROLLBAR_MSW_HANDLE (sb), SB_CTL, &SCROLLBAR_MSW_INFO (sb), TRUE);
3ecd8885ac67 Import from CVS: tag r21-2-22
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198 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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199 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
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200
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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diff changeset
201 void
3ecd8885ac67 Import from CVS: tag r21-2-22
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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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diff changeset
203 {
3ecd8885ac67 Import from CVS: tag r21-2-22
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diff changeset
204 struct frame *f;
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diff changeset
205 Lisp_Object win, frame;
617
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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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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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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
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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);
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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;
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438 }
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439
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440 return total;
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441 }
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442
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443 #endif /* MEMORY_USAGE_STATS */
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444
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445 /************************************************************************/
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diff changeset
446 /* Device-specific ghost specifiers initialization */
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447 /************************************************************************/
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448
617
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diff changeset
449 DEFUN ("mswindows-init-scrollbar-metrics", Fmswindows_init_scrollbar_metrics,
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diff changeset
450 1, 1, 0, /*
428
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451 */
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452 (locale))
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453 {
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diff changeset
454 if (DEVICEP (locale))
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455 {
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456 add_spec_to_ghost_specifier (Vscrollbar_width,
3ecd8885ac67 Import from CVS: tag r21-2-22
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457 make_int (GetSystemMetrics (SM_CXVSCROLL)),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
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458 locale, Qmswindows, Qnil);
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diff changeset
459 add_spec_to_ghost_specifier (Vscrollbar_height,
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cvs
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diff changeset
460 make_int (GetSystemMetrics (SM_CYHSCROLL)),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
461 locale, Qmswindows, Qnil);
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462 }
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463 return Qnil;
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464 }
3ecd8885ac67 Import from CVS: tag r21-2-22
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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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diff changeset
485 void
617
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parents: 611
diff changeset
486 syms_of_scrollbar_mswindows (void)
428
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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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parents:
diff changeset
491 void
617
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parents: 611
diff changeset
492 vars_of_scrollbar_mswindows (void)
428
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493 {
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494 Fprovide (intern ("mswindows-scrollbars"));
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diff changeset
495
617
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diff changeset
496 staticpro (&Vmswindows_scrollbar_instance_table);
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diff changeset
497 Vmswindows_scrollbar_instance_table =
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diff changeset
498 make_lisp_hash_table (100, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ);
af57a77cbc92 [xemacs-hg @ 2001-06-18 07:09:50 by ben]
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parents: 611
diff changeset
499 }