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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#ifdef NeXT
#undef __STRICT_BSD__ /* ick */
#endif
-#include <stdlib.h>
-#include <unistd.h>
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "../src/lisp.h"
+
#include <sys/types.h>
-#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include "lwlib-int.h"
#include "lwlib-utils.h"
#include <X11/StringDefs.h>
-#if defined(__GNUC__) && !defined(alloca)
-#define alloca __builtin_alloca
-#endif
-
-#if ((!__GNUC__) && !defined(__hpux)) && !defined(_AIX)
-#include <alloca.h>
-#endif
-
-#if defined(_AIX)
-#pragma alloca
-#endif
-
#if defined (USE_LUCID)
#include "lwlib-Xlw.h"
#endif
#include "lwlib-Xol.h"
#endif
#if defined (USE_XAW)
+#include <X11/Xaw/Paned.h>
#include "lwlib-Xaw.h"
#endif
ERROR! no more than one of USE_MOTIF and USE_OLIT may be defined.
#endif
+#ifndef max
+#define max(x, y) ((x) > (y) ? (x) : (y))
+#endif
+
/* List of all widgets managed by the library. */
static widget_info*
all_widget_info = NULL;
-\f/* Forward declarations */
-static void
-instanciate_widget_instance (/* widget_instance* instance */);
+#ifdef USE_MOTIF
+char *lwlib_toolkit_type = "motif";
+#else
+char *lwlib_toolkit_type = "lucid";
+#endif
+#if defined __STDC__ || defined PROTOTYPES
+#define P_(x) x
+#else
+#define P_(x) ()
+#endif
+
+static widget_value *merge_widget_value P_ ((widget_value *,
+ widget_value *,
+ int, int *));
+static void instantiate_widget_instance P_ ((widget_instance *));
+static int my_strcasecmp P_ ((char *, char *));
+static void safe_free_str P_ ((char *));
+static void free_widget_value_tree P_ ((widget_value *));
+static widget_value *copy_widget_value_tree P_ ((widget_value *,
+ change_type));
+static widget_info *allocate_widget_info P_ ((char *, char *, LWLIB_ID,
+ widget_value *,
+ lw_callback, lw_callback,
+ lw_callback, lw_callback));
+static void free_widget_info P_ ((widget_info *));
+static void mark_widget_destroyed P_ ((Widget, XtPointer, XtPointer));
+static widget_instance *allocate_widget_instance P_ ((widget_info *,
+ Widget, Boolean));
+static void free_widget_instance P_ ((widget_instance *));
+static widget_info *get_widget_info P_ ((LWLIB_ID, Boolean));
+static widget_instance *get_widget_instance P_ ((Widget, Boolean));
+static widget_instance *find_instance P_ ((LWLIB_ID, Widget, Boolean));
+static Boolean safe_strcmp P_ ((char *, char *));
+static Widget name_to_widget P_ ((widget_instance *, char *));
+static void set_one_value P_ ((widget_instance *, widget_value *, Boolean));
+static void update_one_widget_instance P_ ((widget_instance *, Boolean));
+static void update_all_widget_values P_ ((widget_info *, Boolean));
+static void initialize_widget_instance P_ ((widget_instance *));
+static widget_creation_function find_in_table P_ ((char *, widget_creation_entry *));
+static Boolean dialog_spec_p P_ ((char *));
+static void instantiate_widget_instance P_ ((widget_instance *));
+static void destroy_one_instance P_ ((widget_instance *));
+static void lw_pop_all_widgets P_ ((LWLIB_ID, Boolean));
+static Boolean get_one_value P_ ((widget_instance *, widget_value *));
+static void show_one_widget_busy P_ ((Widget, Boolean));
+
+void
+lwlib_memset (address, value, length)
+ char *address;
+ int value;
+ int length;
+{
+ int i;
+
+ for (i = 0; i < length; i++)
+ address[i] = value;
+}
+
+void
+lwlib_bcopy (from, to, length)
+ char *from;
+ char *to;
+ int length;
+{
+ int i;
+
+ for (i = 0; i < length; i++)
+ to[i] = from[i];
+}
\f/* utility functions for widget_instance and widget_info */
-static char *
+char *
safe_strdup (s)
- char *s;
+ const char *s;
{
char *result;
if (! s) return 0;
wv = (widget_value *) malloc (sizeof (widget_value));
malloc_cpt++;
}
- memset (wv, 0, sizeof (widget_value));
+ lwlib_memset (wv, 0, sizeof (widget_value));
return wv;
}
-/* this is analagous to free(). It frees only what was allocated
+/* this is analogous to free(). It frees only what was allocated
by malloc_widget_value(), and no substructures.
*/
void
if (wv->toolkit_data && wv->free_toolkit_data)
{
- free (wv->toolkit_data);
+ XtFree (wv->toolkit_data);
wv->toolkit_data = (void *) 0xDEADBEEF;
}
copy->name = safe_strdup (val->name);
copy->value = safe_strdup (val->value);
copy->key = safe_strdup (val->key);
+ copy->help = val->help;
copy->enabled = val->enabled;
+ copy->button_type = val->button_type;
copy->selected = val->selected;
copy->edited = False;
copy->change = change;
+ copy->this_one_change = change;
copy->contents = copy_widget_value_tree (val->contents, change);
copy->call_data = val->call_data;
copy->next = copy_widget_value_tree (val->next, change);
}
static widget_info *
-allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb)
+allocate_widget_info (type, name, id, val, pre_activate_cb,
+ selection_cb, post_activate_cb, highlight_cb)
char* type;
char* name;
LWLIB_ID id;
lw_callback pre_activate_cb;
lw_callback selection_cb;
lw_callback post_activate_cb;
+ lw_callback highlight_cb;
{
widget_info* info = (widget_info*)malloc (sizeof (widget_info));
info->type = safe_strdup (type);
info->pre_activate_cb = pre_activate_cb;
info->selection_cb = selection_cb;
info->post_activate_cb = post_activate_cb;
+ info->highlight_cb = highlight_cb;
info->instances = NULL;
info->next = all_widget_info;
safe_free_str (info->type);
safe_free_str (info->name);
free_widget_value_tree (info->val);
- memset ((void*)info, 0xDEADBEEF, sizeof (widget_info));
+ lwlib_memset ((void*)info, 0xDEADBEEF, sizeof (widget_info));
free (info);
}
{
widget_instance* instance =
(widget_instance*)malloc (sizeof (widget_instance));
+ bzero (instance, sizeof *instance);
instance->parent = parent;
instance->pop_up_p = pop_up_p;
instance->info = info;
instance->next = info->instances;
info->instances = instance;
- instanciate_widget_instance (instance);
+ instantiate_widget_instance (instance);
XtAddCallback (instance->widget, XtNdestroyCallback,
mark_widget_destroyed, (XtPointer)instance);
free_widget_instance (instance)
widget_instance* instance;
{
- memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance));
+ lwlib_memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance));
free (instance);
}
return (widget_instance *) 0;
}
+/* Value is a pointer to the widget_instance corresponding to
+ WIDGET, or null if WIDGET is not a lwlib widget. */
+
+widget_instance *
+lw_get_widget_instance (widget)
+ Widget widget;
+{
+ return get_widget_instance (widget, False);
+}
+
static widget_instance*
find_instance (id, parent, pop_up_p)
LWLIB_ID id;
return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2;
}
-static int
-max (i1, i2)
- int i1;
- int i2;
-{
- return i1 > i2 ? i1 : i2;
-}
-
#if 0
# define EXPLAIN(name, oc, nc, desc, a1, a2) \
static widget_value *
-merge_widget_value (val1, val2, level)
+merge_widget_value (val1, val2, level, change_p)
widget_value* val1;
widget_value* val2;
int level;
+ int *change_p;
{
- change_type change;
+ change_type change, this_one_change;
widget_value* merged_next;
widget_value* merged_contents;
if (!val1)
{
if (val2)
- return copy_widget_value_tree (val2, STRUCTURAL_CHANGE);
+ {
+ *change_p = 1;
+ return copy_widget_value_tree (val2, STRUCTURAL_CHANGE);
+ }
else
return NULL;
}
if (!val2)
{
+ *change_p = 1;
free_widget_value_tree (val1);
return NULL;
}
safe_free_str (val1->key);
val1->key = safe_strdup (val2->key);
}
+ if (! EQ (val1->help, val2->help))
+ {
+ EXPLAIN (val1->name, change, VISIBLE_CHANGE, "help change",
+ val1->help, val2->help);
+ change = max (change, VISIBLE_CHANGE);
+ val1->help = val2->help;
+ }
if (val1->enabled != val2->enabled)
{
EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change",
change = max (change, VISIBLE_CHANGE);
val1->enabled = val2->enabled;
}
+ if (val1->button_type != val2->button_type)
+ {
+ EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change",
+ val1->button_type, val2->button_type);
+ change = max (change, VISIBLE_CHANGE);
+ val1->button_type = val2->button_type;
+ }
if (val1->selected != val2->selected)
{
EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change",
if (level > 0)
{
merged_contents =
- merge_widget_value (val1->contents, val2->contents, level - 1);
+ merge_widget_value (val1->contents, val2->contents, level - 1,
+ change_p);
if (val1->contents && !merged_contents)
{
- EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents gone)",
+ /* This used to say INVISIBLE_CHANGE,
+ but it is visible and vitally important when
+ the contents of the menu bar itself are entirely deleted.
+
+ But maybe it doesn't matter. This fails to fix the bug. */
+ EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)",
0, 0);
- change = max (change, INVISIBLE_CHANGE);
+ change = max (change, STRUCTURAL_CHANGE);
}
else if (merged_contents && merged_contents->change != NO_CHANGE)
{
EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)",
0, 0);
change = max (change, INVISIBLE_CHANGE);
+#if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */
+#ifdef USE_MOTIF
+ change = max (merged_contents->change, change);
+#endif
+#endif
}
val1->contents = merged_contents;
}
- merged_next = merge_widget_value (val1->next, val2->next, level);
+ this_one_change = change;
+
+ merged_next = merge_widget_value (val1->next, val2->next, level, change_p);
if (val1->next && !merged_next)
{
val1->next = merged_next;
+ val1->this_one_change = this_one_change;
val1->change = change;
if (change > NO_CHANGE && val1->toolkit_data)
{
+ *change_p = 1;
if (val1->free_toolkit_data)
- free (val1->toolkit_data);
+ XtFree (val1->toolkit_data);
val1->toolkit_data = NULL;
}
else
{
int length = strlen (name) + 2;
- char* real_name = (char *) alloca (length);
+ char* real_name = (char *) xmalloc (length);
real_name [0] = '*';
strcpy (real_name + 1, name);
widget = XtNameToWidget (instance->widget, real_name);
+
+ free (real_name);
}
return widget;
}
val->change = NO_CHANGE;
}
-void
+int
lw_modify_all_widgets (id, val, deep_p)
LWLIB_ID id;
widget_value* val;
widget_value* prev;
widget_value* next;
int found;
+ int change_p = 0;
if (!info)
- return;
+ return 0;
for (new_val = val; new_val; new_val = new_val->next)
{
found = True;
next = cur->next;
cur->next = NULL;
- cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1);
+ cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1,
+ &change_p);
if (prev)
prev->next = cur ? cur : next;
else
prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE);
else
info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE);
+ change_p = 1;
}
new_val->next = next_new_val;
}
update_all_widget_values (info, deep_p);
+ return change_p;
}
\f
}
static void
-instanciate_widget_instance (instance)
+instantiate_widget_instance (instance)
widget_instance* instance;
{
widget_creation_function function = NULL;
}
void
-lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, post_activate_cb)
+lw_register_widget (type, name, id, val, pre_activate_cb,
+ selection_cb, post_activate_cb, highlight_cb)
char* type;
char* name;
LWLIB_ID id;
lw_callback pre_activate_cb;
lw_callback selection_cb;
lw_callback post_activate_cb;
+ lw_callback highlight_cb;
{
if (!get_widget_info (id, False))
allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb,
- post_activate_cb);
+ post_activate_cb, highlight_cb);
}
Widget
}
Widget
-lw_create_widget (type, name, id, val, parent, pop_up_p, pre_activate_cb, selection_cb, post_activate_cb)
+lw_create_widget (type, name, id, val, parent, pop_up_p, pre_activate_cb,
+ selection_cb, post_activate_cb, highlight_cb)
char* type;
char* name;
LWLIB_ID id;
lw_callback pre_activate_cb;
lw_callback selection_cb;
lw_callback post_activate_cb;
+ lw_callback highlight_cb;
{
lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb,
- post_activate_cb);
+ post_activate_cb, highlight_cb);
return lw_make_widget (id, parent, pop_up_p);
}
}
#ifdef USE_MOTIF
-extern Widget first_child (Widget); /* garbage */
+extern Widget first_child (/* Widget */); /* garbage */
#endif
Widget
}
void
-lw_popup_menu (widget)
+lw_popup_menu (widget, event)
Widget widget;
+ XEvent *event;
{
#if defined (USE_LUCID)
if (lw_lucid_widget_p (widget))
- xlw_popup_menu (widget);
+ xlw_popup_menu (widget, event);
#endif
#if defined (USE_MOTIF)
if (lw_motif_widget_p (widget))
- xm_popup_menu (widget);
+ xm_popup_menu (widget, event);
#endif
#if defined (USE_OLIT)
if (lw_olit_widget_p (widget))
- xol_popup_menu (widget);
+ xol_popup_menu (widget, event);
#endif
#if defined (USE_XAW)
if (lw_xaw_widget_p (widget))
- xaw_popup_menu (widget);
+ xaw_popup_menu (widget, event);
#endif
}
}
\f/* update other instances value when one thing changed */
+
+/* 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. */
XtPointer closure;
XtPointer call_data;
{
- /* To forbid recursive calls */
- static Boolean updating;
-
widget_instance* instance = (widget_instance*)closure;
char* name = XtName (widget);
widget_info* info;
widget_instance* cur;
widget_value* val;
- /* never recurse as this could cause infinite recursions. */
- if (updating)
+ /* Avoid possibly infinite recursion. */
+ if (lwlib_updating)
return;
/* protect against the widget being destroyed */
if (!info->instances->next)
return;
- updating = True;
+ lwlib_updating = True;
for (val = info->val; val && strcmp (val->name, name); val = val->next);
if (cur != instance)
set_one_value (cur, val, True);
- updating = False;
+ lwlib_updating = False;
}
XtVaGetValues (widget_to_invert,
XtNforeground, &foreground,
XtNbackground, &background,
- 0);
+ NULL);
XtVaSetValues (widget_to_invert,
XtNforeground, background,
XtNbackground, foreground,
- 0);
+ NULL);
}
void
}
}
}
+
+/* This hack exists because Lucid/Athena need to execute the strange
+ function below to support geometry management. */
+void
+lw_refigure_widget (w, doit)
+ Widget w;
+ Boolean doit;
+{
+#if defined (USE_XAW)
+ XawPanedSetRefigureMode (w, doit);
+#endif
+#if defined (USE_MOTIF)
+ if (doit)
+ XtManageChild (w);
+ else
+ XtUnmanageChild (w);
+#endif
+}
+
+/* Toolkit independent way of determining if an event window is in the
+ menubar. */
+Boolean
+lw_window_is_in_menubar (win, menubar_widget)
+ Window win;
+ Widget menubar_widget;
+{
+ return menubar_widget
+#if defined (USE_LUCID)
+ && XtWindow (menubar_widget) == win;
+#endif
+#if defined (USE_MOTIF)
+ && ((XtWindow (menubar_widget) == win)
+ || (XtWindowToWidget (XtDisplay (menubar_widget), win)
+ && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win))
+ == menubar_widget)));
+#endif
+}
+
+/* Motif hack to set the main window areas. */
+void
+lw_set_main_areas (parent, menubar, work_area)
+ Widget parent;
+ Widget menubar;
+ Widget work_area;
+{
+#if defined (USE_MOTIF)
+ xm_set_main_areas (parent, menubar, work_area);
+#endif
+}
+
+/* Manage resizing for Motif. This disables resizing when the menubar
+ is about to be modified. */
+void
+lw_allow_resizing (w, flag)
+ Widget w;
+ Boolean flag;
+{
+#if defined (USE_MOTIF)
+ xm_manage_resizing (w, flag);
+#endif
+}
+
+
+/* Value is non-zero if LABEL is a menu separator. If it is, *TYPE is
+ set to an appropriate enumerator of type enum menu_separator.
+ MOTIF_P non-zero means map separator types not supported by Motif
+ to similar ones that are supported. */
+
+int
+lw_separator_p (label, type, motif_p)
+ char *label;
+ enum menu_separator *type;
+ int motif_p;
+{
+ int separator_p = 0;
+
+ if (strlen (label) >= 3
+ && bcmp (label, "--:", 3) == 0)
+ {
+ static struct separator_table
+ {
+ char *name;
+ enum menu_separator type;
+ }
+ separator_names[] =
+ {
+ "space", SEPARATOR_NO_LINE,
+ "noLine", SEPARATOR_NO_LINE,
+ "singleLine", SEPARATOR_SINGLE_LINE,
+ "doubleLine", SEPARATOR_DOUBLE_LINE,
+ "singleDashedLine", SEPARATOR_SINGLE_DASHED_LINE,
+ "doubleDashedLine", SEPARATOR_DOUBLE_DASHED_LINE,
+ "shadowEtchedIn", SEPARATOR_SHADOW_ETCHED_IN,
+ "shadowEtchedOut", SEPARATOR_SHADOW_ETCHED_OUT,
+ "shadowEtchedInDash", SEPARATOR_SHADOW_ETCHED_IN_DASH,
+ "shadowEtchedOutDash", SEPARATOR_SHADOW_ETCHED_OUT_DASH,
+ "shadowDoubleEtchedIn", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN,
+ "shadowDoubleEtchedOut", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT,
+ "shadowDoubleEtchedInDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH,
+ "shadowDoubleEtchedOutDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH,
+ 0
+ };
+
+ int i;
+
+ label += 3;
+ for (i = 0; separator_names[i].name; ++i)
+ if (strcmp (label, separator_names[i].name) == 0)
+ {
+ separator_p = 1;
+ *type = separator_names[i].type;
+
+ /* If separator type is not supported under Motif,
+ use a similar one. */
+ if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN)
+ *type -= 4;
+ break;
+ }
+ }
+ else if (strlen (label) > 3
+ && bcmp (label, "--", 2) == 0
+ && label[2] != '-')
+ {
+ /* Alternative, more Emacs-style names. */
+ static struct separator_table
+ {
+ char *name;
+ enum menu_separator type;
+ }
+ separator_names[] =
+ {
+ "space", SEPARATOR_NO_LINE,
+ "no-line", SEPARATOR_NO_LINE,
+ "single-line", SEPARATOR_SINGLE_LINE,
+ "double-line", SEPARATOR_DOUBLE_LINE,
+ "single-dashed-line", SEPARATOR_SINGLE_DASHED_LINE,
+ "double-dashed-line", SEPARATOR_DOUBLE_DASHED_LINE,
+ "shadow-etched-in", SEPARATOR_SHADOW_ETCHED_IN,
+ "shadow-etched-out", SEPARATOR_SHADOW_ETCHED_OUT,
+ "shadow-etched-in-dash", SEPARATOR_SHADOW_ETCHED_IN_DASH,
+ "shadow-etched-out-dash", SEPARATOR_SHADOW_ETCHED_OUT_DASH,
+ "shadow-double-etched-in", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN,
+ "shadow-double-etched-out", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT,
+ "shadow-double-etched-in-dash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH,
+ "shadow-double-etched-out-dash",SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH,
+ 0
+ };
+
+ int i;
+
+ label += 2;
+ for (i = 0; separator_names[i].name; ++i)
+ if (strcmp (label, separator_names[i].name) == 0)
+ {
+ separator_p = 1;
+ *type = separator_names[i].type;
+
+ /* If separator type is not supported under Motif,
+ use a similar one. */
+ if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN)
+ *type -= 4;
+ break;
+ }
+ }
+ else
+ {
+ /* Old-style separator, maybe. It's a separator if it contains
+ only dashes. */
+ while (*label == '-')
+ ++label;
+ separator_p = *label == 0;
+ *type = SEPARATOR_SHADOW_ETCHED_IN;
+ }
+
+ return separator_p;
+}
+