/* Synched up with: Not in FSF. */
+/* This file not quite Mule-ized yet but will be when merged with my
+ Mule workspace. --ben */
+
#include <config.h>
#include "lisp.h"
#include "gui.h"
#include "buffer.h"
#include "bytecode.h"
-Lisp_Object Q_active, Q_suffix, Q_keys, Q_style, Q_selected;
-Lisp_Object Q_filter, Q_config, Q_included, Q_key_sequence;
-Lisp_Object Q_accelerator, Q_label, Q_callback, Q_callback_ex, Q_value;
-Lisp_Object Qtoggle, Qradio;
+Lisp_Object Qmenu_no_selection_hook;
+Lisp_Object Vmenu_no_selection_hook;
static Lisp_Object parse_gui_item_tree_list (Lisp_Object list);
+Lisp_Object find_keyword_in_vector (Lisp_Object vector, Lisp_Object keyword);
#ifdef HAVE_POPUPS
#endif /* HAVE_POPUPS */
int
-separator_string_p (const char *s)
+separator_string_p (const Bufbyte *s)
{
- const char *p;
- char first;
+ const Bufbyte *p;
+ Bufbyte first;
if (!s || s[0] == '\0')
return 0;
Vquit_flag = Qt;
}
else if (SYMBOLP (data)
- || (COMPILED_FUNCTIONP (data)
- && XCOMPILED_FUNCTION (data)->flags.interactivep)
- || (CONSP (data) && (EQ (XCAR (data), Qlambda))
- && !NILP (Fassq (Qinteractive, Fcdr (Fcdr (data))))))
+ || (COMPILED_FUNCTIONP (data)
+ && XCOMPILED_FUNCTION (data)->flags.interactivep)
+ || (CONSP (data) && (EQ (XCAR (data), Qlambda))
+ && !NILP (Fassq (Qinteractive, Fcdr (Fcdr (data))))))
{
*fn = Qcall_interactively;
*arg = data;
* structure. If KEY is not a keyword, or is an unknown keyword, then
* error is signaled.
*/
-void
+int
gui_item_add_keyval_pair (Lisp_Object gui_item,
Lisp_Object key, Lisp_Object val,
Error_behavior errb)
{
Lisp_Gui_Item *pgui_item = XGUI_ITEM (gui_item);
+ int retval = 0;
if (!KEYWORDP (key))
- signal_simple_error_2 ("Non-keyword in gui item", key, pgui_item->name);
-
- if (EQ (key, Q_suffix)) pgui_item->suffix = val;
- else if (EQ (key, Q_active)) pgui_item->active = val;
- else if (EQ (key, Q_included)) pgui_item->included = val;
- else if (EQ (key, Q_config)) pgui_item->config = val;
- else if (EQ (key, Q_filter)) pgui_item->filter = val;
- else if (EQ (key, Q_style)) pgui_item->style = val;
- else if (EQ (key, Q_selected)) pgui_item->selected = val;
- else if (EQ (key, Q_keys)) pgui_item->keys = val;
- else if (EQ (key, Q_callback)) pgui_item->callback = val;
- else if (EQ (key, Q_callback_ex)) pgui_item->callback_ex = val;
- else if (EQ (key, Q_value)) pgui_item->value = val;
+ syntax_error_2 ("Non-keyword in gui item", key, pgui_item->name);
+
+ if (EQ (key, Q_descriptor))
+ {
+ if (!EQ (pgui_item->name, val))
+ {
+ retval = 1;
+ pgui_item->name = val;
+ }
+ }
+#define FROB(slot) \
+ else if (EQ (key, Q_##slot)) \
+ { \
+ if (!EQ (pgui_item->slot, val)) \
+ { \
+ retval = 1; \
+ pgui_item->slot = val; \
+ } \
+ }
+ FROB (suffix)
+ FROB (active)
+ FROB (included)
+ FROB (config)
+ FROB (filter)
+ FROB (style)
+ FROB (selected)
+ FROB (keys)
+ FROB (callback)
+ FROB (callback_ex)
+ FROB (value)
+#undef FROB
else if (EQ (key, Q_key_sequence)) ; /* ignored for FSF compatibility */
else if (EQ (key, Q_label)) ; /* ignored for 21.0 implement in 21.2 */
else if (EQ (key, Q_accelerator))
{
- if (SYMBOLP (val) || CHARP (val))
- pgui_item->accelerator = val;
- else if (ERRB_EQ (errb, ERROR_ME))
- signal_simple_error ("Bad keyboard accelerator", val);
+ if (!EQ (pgui_item->accelerator, val))
+ {
+ retval = 1;
+ if (SYMBOLP (val) || CHARP (val))
+ pgui_item->accelerator = val;
+ else if (ERRB_EQ (errb, ERROR_ME))
+ syntax_error ("Bad keyboard accelerator", val);
+ }
}
else if (ERRB_EQ (errb, ERROR_ME))
- signal_simple_error_2 ("Unknown keyword in gui item", key,
+ syntax_error_2 ("Unknown keyword in gui item", key,
pgui_item->name);
+ return retval;
}
void
contents = XVECTOR_DATA (item);
if (length < 1)
- signal_simple_error ("GUI item descriptors must be at least 1 elts long", item);
+ syntax_error ("GUI item descriptors must be at least 1 elts long", item);
/* length 1: [ "name" ]
length 2: [ "name" callback ]
{
int i;
if ((length - start) & 1)
- signal_simple_error (
+ syntax_error (
"GUI item descriptor has an odd number of keywords and values",
item);
return gui_item;
}
+/* This will only work with descriptors in the new format. */
+Lisp_Object
+widget_gui_parse_item_keywords (Lisp_Object item)
+{
+ int i, length;
+ Lisp_Object *contents;
+ Lisp_Object gui_item = allocate_gui_item ();
+ Lisp_Object desc = find_keyword_in_vector (item, Q_descriptor);
+
+ CHECK_VECTOR (item);
+ length = XVECTOR_LENGTH (item);
+ contents = XVECTOR_DATA (item);
+
+ if (!NILP (desc) && !STRINGP (desc) && !VECTORP (desc))
+ syntax_error ("Invalid GUI item descriptor", item);
+
+ if (length & 1)
+ {
+ if (!SYMBOLP (contents [0]))
+ syntax_error ("Invalid GUI item descriptor", item);
+ contents++; /* Ignore the leading symbol. */
+ length--;
+ }
+
+ for (i = 0; i < length;)
+ {
+ Lisp_Object key = contents [i++];
+ Lisp_Object val = contents [i++];
+ gui_item_add_keyval_pair (gui_item, key, val, ERROR_ME_NOT);
+ }
+
+ return gui_item;
+}
+
+/* Update a gui item from a partial descriptor. */
+int
+update_gui_item_keywords (Lisp_Object gui_item, Lisp_Object item)
+{
+ int i, length, retval = 0;
+ Lisp_Object *contents;
+
+ CHECK_VECTOR (item);
+ length = XVECTOR_LENGTH (item);
+ contents = XVECTOR_DATA (item);
+
+ if (length & 1)
+ {
+ if (!SYMBOLP (contents [0]))
+ syntax_error ("Invalid GUI item descriptor", item);
+ contents++; /* Ignore the leading symbol. */
+ length--;
+ }
+
+ for (i = 0; i < length;)
+ {
+ Lisp_Object key = contents [i++];
+ Lisp_Object val = contents [i++];
+ if (gui_item_add_keyval_pair (gui_item, key, val, ERROR_ME_NOT))
+ retval = 1;
+ }
+ return retval;
+}
+
Lisp_Object
gui_parse_item_keywords (Lisp_Object item)
{
|| !NILP (Feval (XGUI_ITEM (gui_item)->selected)));
}
+Lisp_Object
+gui_item_list_find_selected (Lisp_Object gui_item_list)
+{
+ /* This function can GC. */
+ Lisp_Object rest;
+ LIST_LOOP (rest, gui_item_list)
+ {
+ if (gui_item_selected_p (XCAR (rest)))
+ return XCAR (rest);
+ }
+ return XCAR (gui_item_list);
+}
+
/*
* Decide whether a GUI item is included by evaluating its :included
* form if given, and testing its :config form against supplied CONFLIST
static DOESNT_RETURN
signal_too_long_error (Lisp_Object name)
{
- signal_simple_error ("GUI item produces too long displayable string", name);
+ syntax_error ("GUI item produces too long displayable string", name);
}
#ifdef HAVE_WINDOW_SYSTEM
return id;
}
-static int
-gui_item_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
+int
+gui_item_equal_sans_selected (Lisp_Object obj1, Lisp_Object obj2, int depth)
{
Lisp_Gui_Item *p1 = XGUI_ITEM (obj1);
Lisp_Gui_Item *p2 = XGUI_ITEM (obj2);
&&
EQ (p1->style, p2->style)
&&
- EQ (p1->selected, p2->selected)
- &&
EQ (p1->accelerator, p2->accelerator)
&&
EQ (p1->keys, p2->keys)
return 1;
}
+static int
+gui_item_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
+{
+ Lisp_Gui_Item *p1 = XGUI_ITEM (obj1);
+ Lisp_Gui_Item *p2 = XGUI_ITEM (obj2);
+
+ if (!(gui_item_equal_sans_selected (obj1, obj2, depth)
+ &&
+ EQ (p1->selected, p2->selected)))
+ return 0;
+ return 1;
+}
+
static void
print_gui_item (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
{
write_c_string (buf, printcharfun);
}
-static Lisp_Object
+Lisp_Object
copy_gui_item (Lisp_Object gui_item)
{
Lisp_Object ret = allocate_gui_item ();
}
else if (GUI_ITEMP (arg))
return copy_gui_item (arg);
- else
+ else
return arg;
}
CHECK_STRING (entry);
}
else
- signal_simple_error ("item must be a vector or a string", entry);
+ syntax_error ("item must be a vector or a string", entry);
RETURN_UNGCPRO (ret);
}
{
INIT_LRECORD_IMPLEMENTATION (gui_item);
- defkeyword (&Q_active, ":active");
- defkeyword (&Q_suffix, ":suffix");
- defkeyword (&Q_keys, ":keys");
- defkeyword (&Q_key_sequence,":key-sequence");
- defkeyword (&Q_style, ":style");
- defkeyword (&Q_selected, ":selected");
- defkeyword (&Q_filter, ":filter");
- defkeyword (&Q_config, ":config");
- defkeyword (&Q_included, ":included");
- defkeyword (&Q_accelerator, ":accelerator");
- defkeyword (&Q_label, ":label");
- defkeyword (&Q_callback, ":callback");
- defkeyword (&Q_callback_ex, ":callback-ex");
- defkeyword (&Q_value, ":value");
-
- defsymbol (&Qtoggle, "toggle");
- defsymbol (&Qradio, "radio");
+ DEFSYMBOL (Qmenu_no_selection_hook);
#ifdef HAVE_POPUPS
DEFSUBR (Fpopup_up_p);
void
vars_of_gui (void)
{
+ DEFVAR_LISP ("menu-no-selection-hook", &Vmenu_no_selection_hook /*
+Function or functions to call when a menu or dialog box is dismissed
+without a selection having been made.
+*/ );
+ Vmenu_no_selection_hook = Qnil;
}