Mercurial > hg > xemacs-beta
annotate lwlib/lwlib-utils.c @ 5146:88bd4f3ef8e4
make lrecord UID's have a separate UID space for each object, resurrect debug SOE code in extents.c
-------------------- ChangeLog entries follow: --------------------
src/ChangeLog addition:
2010-03-15 Ben Wing <ben@xemacs.org>
* alloc.c:
* alloc.c (c_readonly):
* alloc.c (deadbeef_memory):
* alloc.c (make_compiled_function):
* alloc.c (make_button_data):
* alloc.c (make_motion_data):
* alloc.c (make_process_data):
* alloc.c (make_timeout_data):
* alloc.c (make_magic_data):
* alloc.c (make_magic_eval_data):
* alloc.c (make_eval_data):
* alloc.c (make_misc_user_data):
* alloc.c (noseeum_make_marker):
* alloc.c (ADDITIONAL_FREE_string):
* alloc.c (common_init_alloc_early):
* alloc.c (init_alloc_once_early):
* bytecode.c (print_compiled_function):
* bytecode.c (mark_compiled_function):
* casetab.c:
* casetab.c (print_case_table):
* console.c:
* console.c (print_console):
* database.c (print_database):
* database.c (finalize_database):
* device-msw.c (sync_printer_with_devmode):
* device-msw.c (print_devmode):
* device-msw.c (finalize_devmode):
* device.c:
* device.c (print_device):
* elhash.c:
* elhash.c (print_hash_table):
* eval.c (print_multiple_value):
* eval.c (mark_multiple_value):
* events.c (deinitialize_event):
* events.c (print_event):
* events.c (event_equal):
* extents.c:
* extents.c (soe_dump):
* extents.c (soe_insert):
* extents.c (soe_delete):
* extents.c (soe_move):
* extents.c (extent_fragment_update):
* extents.c (print_extent_1):
* extents.c (print_extent):
* extents.c (vars_of_extents):
* frame.c:
* frame.c (print_frame):
* free-hook.c:
* free-hook.c (check_free):
* glyphs.c:
* glyphs.c (print_image_instance):
* glyphs.c (print_glyph):
* gui.c:
* gui.c (copy_gui_item):
* hash.c:
* hash.c (NULL_ENTRY):
* hash.c (KEYS_DIFFER_P):
* keymap.c (print_keymap):
* keymap.c (MARKED_SLOT):
* lisp.h:
* lrecord.h:
* lrecord.h (LISP_OBJECT_UID):
* lrecord.h (set_lheader_implementation):
* lrecord.h (struct old_lcrecord_header):
* lstream.c (print_lstream):
* lstream.c (finalize_lstream):
* marker.c (print_marker):
* marker.c (marker_equal):
* mc-alloc.c (visit_all_used_page_headers):
* mule-charset.c:
* mule-charset.c (print_charset):
* objects.c (print_color_instance):
* objects.c (print_font_instance):
* objects.c (finalize_font_instance):
* opaque.c (print_opaque):
* opaque.c (print_opaque_ptr):
* opaque.c (equal_opaque_ptr):
* print.c (internal_object_printer):
* print.c (enum printing_badness):
* rangetab.c (print_range_table):
* rangetab.c (range_table_equal):
* specifier.c (print_specifier):
* specifier.c (finalize_specifier):
* symbols.c:
* symbols.c (print_symbol_value_magic):
* tooltalk.c:
* tooltalk.c (print_tooltalk_message):
* tooltalk.c (print_tooltalk_pattern):
* window.c (print_window):
* window.c (debug_print_window):
(1) Make lrecord UID's have a separate UID space for each object.
Otherwise, with 20-bit UID's, we rapidly wrap around, especially
when common objects like conses and strings increment the UID value
for every object created. (Originally I tried making two UID spaces,
one for objects that always print readably and hence don't display
the UID, and one for other objects. But certain objects like markers
for which a UID is displayed are still generated rapidly enough that
UID overflow is a serious issue.) This also has the advantage of
making UID values smaller, hence easier to remember -- their main
purpose is to make it easier to keep track of different objects of
the same type when debugging code. Make sure we dump lrecord UID's
so that we don't have problems with pdumped and non-dumped objects
having the same UID.
(2) Display UID's consistently whenever an object (a) doesn't
consistently print readably (objects like cons and string, which
always print readably, can't display a UID), and (b) doesn't
otherwise have a unique property that makes objects of a
particular type distinguishable. (E.g. buffers didn't and still
don't print an ID, but the buffer name uniquely identifies the
buffer.) Some types, such as event, extent, compiled-function,
didn't always (or didn't ever) display an ID; others (such as
marker, extent, lstream, opaque, opaque-ptr, any object using
internal_object_printer()) used to display the actual machine
pointer instead.
(3) Rename NORMAL_LISP_OBJECT_UID to LISP_OBJECT_UID; make it work
over all Lisp objects and take a Lisp object, not a struct pointer.
(4) Some misc cleanups in alloc.c, elhash.c.
(5) Change code in events.c that "deinitializes" an event so that
it doesn't increment the event UID counter in the process. Also
use deadbeef_memory() to overwrite memory instead of doing the same
with custom code. In the process, make deadbeef_memory() in
alloc.c always available, and delete extraneous copy in mc-alloc.c.
Also capitalize all uses of 0xDEADBEEF. Similarly in elhash.c
call deadbeef_memory().
(6) Resurrect "debug SOE" code in extents.c. Make it conditional
on DEBUG_XEMACS and on a `debug-soe' variable, rather than on
SOE_DEBUG. Make it output to stderr, not stdout.
(7) Delete some custom print methods that were identical to
external_object_printer().
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Mon, 15 Mar 2010 16:35:38 -0500 |
| parents | 04bc9d2f42c7 |
| children | ade4c7e2c6cb |
| rev | line source |
|---|---|
| 428 | 1 /* Defines some widget utility functions. |
| 2 Copyright (C) 1992 Lucid, Inc. | |
| 3 | |
| 4 This file is part of the Lucid Widget Library. | |
| 5 | |
| 6 The Lucid Widget Library is free software; you can redistribute it and/or | |
| 7 modify it under the terms of the GNU General Public License as published by | |
| 8 the Free Software Foundation; either version 1, or (at your option) | |
| 9 any later version. | |
| 10 | |
| 11 The Lucid Widget Library is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with XEmacs; see the file COPYING. If not, write to | |
| 18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 Boston, MA 02111-1307, USA. */ | |
| 20 | |
| 21 #include <config.h> | |
| 22 #include <stdlib.h> | |
| 23 #include <string.h> | |
| 24 #include <memory.h> | |
| 25 #ifdef HAVE_UNISTD_H | |
| 26 #include <unistd.h> | |
| 27 #endif | |
| 28 | |
| 29 #include <X11/Xatom.h> | |
| 30 #include <X11/IntrinsicP.h> | |
| 31 #include <X11/ObjectP.h> | |
| 32 #include "lwlib-utils.h" | |
| 33 | |
| 34 void | |
| 35 destroy_all_children (Widget widget) | |
| 36 { | |
| 37 Widget* children; | |
| 38 unsigned int number; | |
| 39 int i; | |
| 40 | |
| 41 children = XtCompositeChildren (widget, &number); | |
| 42 if (children) | |
| 43 { | |
| 44 /* Unmanage all children and destroy them. They will only be | |
| 45 * really destroyed when we get out of DispatchEvent. */ | |
| 487 | 46 for (i = 0; i < (int) number; i++) |
| 428 | 47 { |
| 48 Widget child = children [i]; | |
| 49 if (!child->core.being_destroyed) | |
| 50 { | |
| 51 XtUnmanageChild (child); | |
| 52 XtDestroyWidget (child); | |
| 53 } | |
| 54 } | |
| 55 XtFree ((char *) children); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 /* Redisplay the contents of the widget, without first clearing it. */ | |
| 60 void | |
| 61 XtNoClearRefreshWidget (Widget widget) | |
| 62 { | |
| 63 XEvent event; | |
| 64 XExposeEvent* ev = &event.xexpose; | |
| 65 | |
| 66 ev->type = Expose; | |
| 67 ev->serial = 0; | |
| 68 ev->send_event = 0; | |
| 69 ev->display = XtDisplay (widget); | |
| 70 ev->window = XtWindow (widget); | |
| 71 ev->x = 0; | |
| 72 ev->y = 0; | |
| 73 ev->width = widget->core.width; | |
| 74 ev->height = widget->core.height; | |
| 75 ev->count = 0; | |
| 76 | |
| 77 (*widget->core.widget_class->core_class.expose) | |
| 78 (widget, &event, (Region)NULL); | |
| 79 } | |
| 80 | |
| 81 | |
| 82 /* | |
| 83 * Apply a function to all the subwidgets of a given widget recursively. | |
| 84 */ | |
| 85 void | |
| 86 XtApplyToWidgets (Widget w, XtApplyToWidgetsProc proc, XtPointer arg) | |
| 87 { | |
| 88 if (XtIsComposite (w)) | |
| 89 { | |
| 90 CompositeWidget cw = (CompositeWidget) w; | |
| 91 /* We have to copy the children list before mapping over it, because | |
| 92 the procedure might add/delete elements, which would lose badly. */ | |
| 93 int nkids = cw->composite.num_children; | |
| 94 Widget *kids = (Widget *) malloc (sizeof (Widget) * nkids); | |
| 95 int i; | |
| 96 memcpy (kids, cw->composite.children, sizeof (Widget) * nkids); | |
| 97 for (i = 0; i < nkids; i++) | |
| 98 /* This prevent us from using gadgets, why is it here? */ | |
| 99 /* if (XtIsWidget (kids [i])) */ | |
| 100 { | |
| 101 /* do the kiddies first in case we're destroying */ | |
| 102 XtApplyToWidgets (kids [i], proc, arg); | |
| 103 proc (kids [i], arg); | |
| 104 } | |
| 105 free (kids); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 | |
| 110 /* | |
| 111 * Apply a function to all the subwidgets of a given widget recursively. | |
| 112 * Stop as soon as the function returns non NULL and returns this as a value. | |
| 113 */ | |
| 114 void * | |
| 115 XtApplyUntilToWidgets (Widget w, XtApplyUntilToWidgetsProc proc, XtPointer arg) | |
| 116 { | |
| 117 void* result; | |
| 118 if (XtIsComposite (w)) | |
| 119 { | |
| 120 CompositeWidget cw = (CompositeWidget)w; | |
| 121 int i; | |
| 647 | 122 for (i = 0; i < (int) cw->composite.num_children; i++) |
| 123 if (XtIsWidget (cw->composite.children[i])) | |
| 124 { | |
| 125 result = proc (cw->composite.children[i], arg); | |
| 126 if (result) | |
| 127 return result; | |
| 128 result = XtApplyUntilToWidgets (cw->composite.children[i], proc, | |
| 129 arg); | |
| 130 if (result) | |
| 131 return result; | |
| 132 } | |
| 428 | 133 } |
| 134 return NULL; | |
| 135 } | |
| 136 | |
| 137 | |
| 138 /* | |
| 139 * Returns a copy of the list of all children of a composite widget | |
| 140 */ | |
| 141 Widget * | |
| 142 XtCompositeChildren (Widget widget, unsigned int* number) | |
| 143 { | |
| 144 CompositeWidget cw = (CompositeWidget)widget; | |
| 145 Widget* result; | |
| 146 int n; | |
| 147 int i; | |
| 148 | |
| 149 if (!XtIsComposite (widget)) | |
| 150 { | |
| 151 *number = 0; | |
| 152 return NULL; | |
| 153 } | |
| 154 n = cw->composite.num_children; | |
| 155 result = (Widget*)XtMalloc (n * sizeof (Widget)); | |
| 156 *number = n; | |
| 157 for (i = 0; i < n; i++) | |
| 158 result [i] = cw->composite.children [i]; | |
| 159 return result; | |
| 160 } | |
| 161 | |
| 162 Boolean | |
| 163 XtWidgetBeingDestroyedP (Widget widget) | |
| 164 { | |
| 165 return widget->core.being_destroyed; | |
| 166 } | |
| 167 | |
| 168 void | |
| 2286 | 169 XtSafelyDestroyWidget (Widget UNUSED (widget)) |
| 428 | 170 { |
| 171 #if 0 | |
| 172 | |
| 173 /* this requires IntrinsicI.h (actually, InitialI.h) */ | |
| 174 | |
| 175 XtAppContext app = XtWidgetToApplicationContext(widget); | |
| 176 | |
| 177 if (app->dispatch_level == 0) | |
| 178 { | |
| 179 app->dispatch_level = 1; | |
| 180 XtDestroyWidget (widget); | |
| 181 /* generates an event so that the event loop will be called */ | |
| 182 XChangeProperty (XtDisplay (widget), XtWindow (widget), | |
| 183 XA_STRING, XA_STRING, 32, PropModeAppend, NULL, 0); | |
| 184 app->dispatch_level = 0; | |
| 185 } | |
| 186 else | |
| 187 XtDestroyWidget (widget); | |
| 188 | |
| 189 #else | |
| 190 abort (); | |
| 191 #endif | |
| 192 } |