/* A general interface to the widgets of different toolkits.
+
Copyright (C) 1992, 1993 Lucid, Inc.
-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+Copyright (C) 1994-1996, 1999-2014 Free Software Foundation, Inc.
This file is part of the Lucid Widget Library.
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include <setjmp.h>
-#include "../src/lisp.h"
+#include <lisp.h>
+#include <c-strcase.h>
#include <sys/types.h>
#include <stdio.h>
-#include <ctype.h>
#include "lwlib-int.h"
#include "lwlib-utils.h"
#include <X11/StringDefs.h>
widget_value *,
int, int *);
static void instantiate_widget_instance (widget_instance *);
-static int my_strcasecmp (const char *, const char *);
-static void safe_free_str (char *);
static void free_widget_value_tree (widget_value *);
static widget_value *copy_widget_value_tree (widget_value *,
change_type);
static void lw_pop_all_widgets (LWLIB_ID, Boolean);
static Boolean get_one_value (widget_instance *, widget_value *);
static void show_one_widget_busy (Widget, Boolean);
-\f/* utility functions for widget_instance and widget_info */
-char *
-safe_strdup (const char *s)
-{
- char *result;
- if (! s) return 0;
- result = (char *) malloc (strlen (s) + 1);
- if (! result)
- return 0;
- strcpy (result, s);
- return result;
-}
-
-/* Like strcmp but ignore differences in case. */
-
-static int
-my_strcasecmp (const char *s1, const char *s2)
-{
- while (1)
- {
- int c1 = *s1++;
- int c2 = *s2++;
- if (isupper (c1))
- c1 = tolower (c1);
- if (isupper (c2))
- c2 = tolower (c2);
- if (c1 != c2)
- return (c1 > c2 ? 1 : -1);
- if (c1 == 0)
- return 0;
- }
-}
-
-static void
-safe_free_str (char *s)
-{
- free (s);
-}
-
-static widget_value *widget_value_free_list = 0;
-static int malloc_cpt = 0;
-
-widget_value *
-malloc_widget_value (void)
-{
- widget_value *wv;
- if (widget_value_free_list)
- {
- wv = widget_value_free_list;
- widget_value_free_list = wv->free_list;
- wv->free_list = 0;
- }
- else
- {
- wv = (widget_value *) malloc (sizeof (widget_value));
- malloc_cpt++;
- }
- memset ((void*) wv, 0, sizeof (widget_value));
- return wv;
-}
-
-/* this is analogous to free(). It frees only what was allocated
- by malloc_widget_value(), and no substructures.
- */
-void
-free_widget_value (widget_value *wv)
-{
- if (wv->free_list)
- abort ();
-
- if (malloc_cpt > 25)
- {
- /* When the number of already allocated cells is too big,
- We free it. */
- free (wv);
- malloc_cpt--;
- }
- else
- {
- wv->free_list = widget_value_free_list;
- widget_value_free_list = wv;
- }
-}
static void
free_widget_value_tree (widget_value *wv)
if (!wv)
return;
- free (wv->name);
- free (wv->value);
- free (wv->key);
+ xfree (wv->name);
+ xfree (wv->value);
+ xfree (wv->key);
wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
free_widget_value_tree (wv->next);
wv->next = (widget_value *) 0xDEADBEEF;
}
- free_widget_value (wv);
+ xfree (wv);
}
static widget_value *
if (val == (widget_value *) 1)
return val;
- copy = malloc_widget_value ();
- copy->name = safe_strdup (val->name);
- copy->value = safe_strdup (val->value);
- copy->key = safe_strdup (val->key);
+ copy = xmalloc (sizeof (widget_value));
+ copy->lname = copy->lkey = Qnil;
+ copy->name = xstrdup (val->name);
+ copy->value = val->value ? xstrdup (val->value) : NULL;
+ copy->key = val->key ? xstrdup (val->key) : NULL;
copy->help = val->help;
copy->enabled = val->enabled;
copy->button_type = val->button_type;
lw_callback post_activate_cb,
lw_callback highlight_cb)
{
- widget_info* info = (widget_info*)malloc (sizeof (widget_info));
- info->type = safe_strdup (type);
- info->name = safe_strdup (name);
+ widget_info* info = (widget_info*) xmalloc (sizeof (widget_info));
+ info->type = xstrdup (type);
+ info->name = xstrdup (name);
info->id = id;
info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE);
info->busy = False;
static void
free_widget_info (widget_info *info)
{
- safe_free_str (info->type);
- safe_free_str (info->name);
+ xfree (info->type);
+ xfree (info->name);
free_widget_value_tree (info->val);
memset ((void*)info, 0xDEADBEEF, sizeof (widget_info));
- free (info);
+ xfree (info);
}
static void
allocate_widget_instance (widget_info* info, Widget parent, Boolean pop_up_p)
{
widget_instance* instance =
- (widget_instance*)malloc (sizeof (widget_instance));
+ (widget_instance*) xmalloc (sizeof (widget_instance));
memset (instance, 0, sizeof *instance);
instance->parent = parent;
instance->pop_up_p = pop_up_p;
free_widget_instance (widget_instance *instance)
{
memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance));
- free (instance);
+ xfree (instance);
}
static widget_info *
(nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \
nc, desc, a1, a2)
#else
-# define EXPLAIN(name, oc, nc, desc, a1, a2)
+# define EXPLAIN(name, oc, nc, desc, a1, a2) ((void) 0)
#endif
EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change",
val1->name, val2->name);
change = max (change, STRUCTURAL_CHANGE);
- safe_free_str (val1->name);
- val1->name = safe_strdup (val2->name);
+ dupstring (&val1->name, val2->name);
}
if (safe_strcmp (val1->value, val2->value))
{
EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change",
val1->value, val2->value);
change = max (change, VISIBLE_CHANGE);
- safe_free_str (val1->value);
- val1->value = safe_strdup (val2->value);
+ dupstring (&val1->value, val2->value);
}
if (safe_strcmp (val1->key, val2->key))
{
EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change",
val1->key, val2->key);
change = max (change, VISIBLE_CHANGE);
- safe_free_str (val1->key);
- val1->key = safe_strdup (val2->key);
+ dupstring (&val1->key, val2->key);
}
if (! EQ (val1->help, val2->help))
{
widget = XtNameToWidget (instance->widget, real_name);
- free (real_name);
+ xfree (real_name);
}
return widget;
}
{
const widget_creation_entry* cur;
for (cur = table; cur->type; cur++)
- if (!my_strcasecmp (type, cur->type))
+ if (!c_strcasecmp (type, cur->type))
return cur->function;
return NULL;
}
xaw_destroy_instance (instance);
else
#endif
- /* do not remove the empty statement */
- ;
+ {
+ /* Empty compound statement to terminate if-then-else chain. */
+ }
}
free_widget_instance (instance);
}
#ifdef USE_MOTIF
-extern Widget first_child (/* Widget */); /* garbage */
+extern Widget first_child (Widget); /* garbage */
#endif
Widget
/* To forbid recursive calls */
static Boolean lwlib_updating;
-/* This function can be used as a an XtCallback for the widgets that get
- modified to update other instances of the widgets. Closure should be the
- widget_instance. */
+/* This function can be used as an XtCallback for the widgets that get
+ modified to update other instances of the widgets. Closure should be the
+ widget_instance. */
void
lw_internal_update_other_instances (Widget widget,
XtPointer closure,
return separator_p;
}
-
HCoop / bpt / emacs.git / blobdiff