/* 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 Free Software Foundation, Inc.
+Copyright (C) 1994-1996, 1999-2012 Free Software Foundation, Inc.
This file is part of the Lucid Widget Library.
#endif
#include <setjmp.h>
-#include "../src/lisp.h"
+#include <lisp.h>
#include <sys/types.h>
#include <stdio.h>
all_widget_info = NULL;
#ifdef USE_MOTIF
-char *lwlib_toolkit_type = "motif";
+const char *lwlib_toolkit_type = "motif";
#else
-char *lwlib_toolkit_type = "lucid";
+const char *lwlib_toolkit_type = "lucid";
#endif
static widget_value *merge_widget_value (widget_value *,
widget_value *,
int, int *);
static void instantiate_widget_instance (widget_instance *);
-static int my_strcasecmp (char *, char *);
+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 widget_info *allocate_widget_info (char *, char *, LWLIB_ID,
+static widget_info *allocate_widget_info (const char *, const char *, LWLIB_ID,
widget_value *,
lw_callback, lw_callback,
lw_callback, lw_callback);
static widget_info *get_widget_info (LWLIB_ID, Boolean);
static widget_instance *get_widget_instance (Widget, Boolean);
static widget_instance *find_instance (LWLIB_ID, Widget, Boolean);
-static Boolean safe_strcmp (char *, char *);
-static Widget name_to_widget (widget_instance *, char *);
+static Boolean safe_strcmp (const char *, const char *);
+static Widget name_to_widget (widget_instance *, const char *);
static void set_one_value (widget_instance *, widget_value *, Boolean);
static void update_one_widget_instance (widget_instance *, Boolean);
static void update_all_widget_values (widget_info *, Boolean);
static void initialize_widget_instance (widget_instance *);
-static widget_creation_function find_in_table (char *, widget_creation_entry *);
-static Boolean dialog_spec_p (char *);
+static widget_creation_function find_in_table (const char *, const widget_creation_entry *);
+static Boolean dialog_spec_p (const char *);
static void destroy_one_instance (widget_instance *);
static void lw_pop_all_widgets (LWLIB_ID, Boolean);
static Boolean get_one_value (widget_instance *, widget_value *);
{
char *result;
if (! s) return 0;
- result = (char *) malloc (strlen (s) + 1);
- if (! result)
- return 0;
+ result = (char *) xmalloc (strlen (s) + 1);
strcpy (result, s);
return result;
}
/* Like strcmp but ignore differences in case. */
static int
-my_strcasecmp (char *s1, char *s2)
+my_strcasecmp (const char *s1, const char *s2)
{
while (1)
{
static void
safe_free_str (char *s)
{
- free (s);
+ xfree (s);
}
static widget_value *widget_value_free_list = 0;
}
else
{
- wv = (widget_value *) malloc (sizeof (widget_value));
+ wv = (widget_value *) xmalloc (sizeof (widget_value));
malloc_cpt++;
}
memset ((void*) wv, 0, sizeof (widget_value));
{
/* When the number of already allocated cells is too big,
We free it. */
- free (wv);
+ xfree (wv);
malloc_cpt--;
}
else
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;
}
static widget_info *
-allocate_widget_info (char* type,
- char* name,
+allocate_widget_info (const char* type,
+ const char* name,
LWLIB_ID id,
widget_value* val,
lw_callback pre_activate_cb,
lw_callback post_activate_cb,
lw_callback highlight_cb)
{
- widget_info* info = (widget_info*)malloc (sizeof (widget_info));
+ widget_info* info = (widget_info*) xmalloc (sizeof (widget_info));
info->type = safe_strdup (type);
info->name = safe_strdup (name);
info->id = id;
safe_free_str (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 *
\f
/* utility function for widget_value */
static Boolean
-safe_strcmp (char *s1, char *s2)
+safe_strcmp (const char *s1, const char *s2)
{
if (!!s1 ^ !!s2) return True;
return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2;
(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
\f
/* modifying the widgets */
static Widget
-name_to_widget (widget_instance *instance, char *name)
+name_to_widget (widget_instance *instance, const char *name)
{
Widget widget = NULL;
widget = XtNameToWidget (instance->widget, real_name);
- free (real_name);
+ xfree (real_name);
}
return widget;
}
static widget_creation_function
-find_in_table (char *type, widget_creation_entry *table)
+find_in_table (const char *type, const widget_creation_entry *table)
{
- widget_creation_entry* cur;
+ const widget_creation_entry* cur;
for (cur = table; cur->type; cur++)
if (!my_strcasecmp (type, cur->type))
return cur->function;
}
static Boolean
-dialog_spec_p (char *name)
+dialog_spec_p (const char *name)
{
/* return True if name matches [EILPQeilpq][1-9][Bb] or
[EILPQeilpq][1-9][Bb][Rr][1-9] */
}
void
-lw_register_widget (char* type,
- char* name,
+lw_register_widget (const char* type,
+ const char* name,
LWLIB_ID id,
widget_value* val,
lw_callback pre_activate_cb,
}
Widget
-lw_create_widget (char* type, char* name, LWLIB_ID id, widget_value* val,
+lw_create_widget (const char* type, const char* name, LWLIB_ID id, widget_value* val,
Widget parent, Boolean pop_up_p,
lw_callback pre_activate_cb, lw_callback selection_cb,
lw_callback post_activate_cb, lw_callback highlight_cb)
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,
to similar ones that are supported. */
int
-lw_separator_p (char *label, enum menu_separator *type, int motif_p)
+lw_separator_p (const char *label, enum menu_separator *type, int motif_p)
{
int separator_p = 0;
{
static struct separator_table
{
- char *name;
+ const char *name;
enum menu_separator type;
}
separator_names[] =
/* Alternative, more Emacs-style names. */
static struct separator_table
{
- char *name;
+ const char *name;
enum menu_separator type;
}
separator_names[] =
return separator_p;
}
-
-/* arch-tag: 3d730f36-a441-4a71-9971-48ef3b5a4d9f
- (do not change this comment) */