/* Platform-independent code for terminal communications.
-Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2013 Free Software
+Copyright (C) 1986, 1988, 1993-1994, 1996, 1999-2014 Free Software
Foundation, Inc.
This file is part of GNU Emacs.
static bool
have_boxes (void)
{
-#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NTGUI)
+#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NTGUI) || defined(HAVE_NS)
if (FRAME_WINDOW_P (XFRAME (Vmenu_updating_frame)))
return 1;
#endif
/* If non-nil, means that the global vars defined here are already in use.
Used to detect cases where we try to re-enter this non-reentrant code. */
-#if ! (defined USE_GTK || defined USE_MOTIF)
-static
-#endif
Lisp_Object menu_items_inuse;
/* Number of slots currently allocated in menu_items. */
item_string = concat2 (prefix, item_string);
}
- if (FRAME_TERMCAP_P (XFRAME (Vmenu_updating_frame))
+ if ((FRAME_TERMCAP_P (XFRAME (Vmenu_updating_frame))
+ || FRAME_MSDOS_P (XFRAME (Vmenu_updating_frame)))
&& !NILP (map))
/* Indicate visually that this is a submenu. */
item_string = concat2 (item_string, build_string (" >"));
\f
#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NS) || defined (HAVE_NTGUI)
-/* Allocate a widget_value, blocking input. */
+/* Allocate and basically initialize widget_value, blocking input. */
widget_value *
-xmalloc_widget_value (void)
+make_widget_value (const char *name, char *value,
+ bool enabled, Lisp_Object help)
{
- widget_value *value;
+ widget_value *wv;
block_input ();
- value = malloc_widget_value ();
+ wv = xzalloc (sizeof (widget_value));
unblock_input ();
- return value;
+ wv->name = (char *) name;
+ wv->value = value;
+ wv->enabled = enabled;
+ wv->help = help;
+ return wv;
}
-/* This recursively calls free_widget_value on the tree of widgets.
+/* This recursively calls xfree on the tree of widgets.
It must free all data that was malloc'ed for these widget_values.
In Emacs, many slots are pointers into the data of Lisp_Strings, and
must be left alone. */
wv->next = (widget_value *) 0xDEADBEEF;
}
block_input ();
- free_widget_value (wv);
+ xfree (wv);
unblock_input ();
}
struct frame *f = XFRAME (Vmenu_updating_frame);
submenu_stack = alloca (menu_items_used * sizeof *submenu_stack);
- wv = xmalloc_widget_value ();
- wv->name = "menu";
- wv->value = 0;
- wv->enabled = 1;
+ wv = make_widget_value ("menu", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
- wv->help = Qnil;
first_wv = wv;
save_wv = 0;
prev_wv = 0;
with its items as a submenu beneath it. */
if (strcmp (pane_string, ""))
{
- wv = xmalloc_widget_value ();
+ /* Set value to 1 so update_submenu_strings can handle '@'. */
+ wv = make_widget_value (NULL, (char *) 1, true, Qnil);
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
wv->lname = pane_name;
- /* Set value to 1 so update_submenu_strings can handle '@' */
- wv->value = (char *)1;
- wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
- wv->help = Qnil;
save_wv = wv;
}
else
#endif
}
- wv = xmalloc_widget_value ();
+ wv = make_widget_value (NULL, NULL, !NILP (enable),
+ STRINGP (help) ? help : Qnil);
if (prev_wv)
prev_wv->next = wv;
else
wv->lname = item_name;
if (!NILP (descrip))
wv->lkey = descrip;
- wv->value = 0;
/* The intptr_t cast avoids a warning. There's no problem
as long as pointers have enough bits to hold small integers. */
wv->call_data = (!NILP (def) ? (void *) (intptr_t) i : 0);
- wv->enabled = !NILP (enable);
if (NILP (type))
wv->button_type = BUTTON_TYPE_NONE;
emacs_abort ();
wv->selected = !NILP (selected);
- if (! STRINGP (help))
- help = Qnil;
-
- wv->help = help;
prev_wv = wv;
if (top_level_items && first_wv->contents && first_wv->contents->next == 0)
{
wv = first_wv->contents;
- free_widget_value (first_wv);
+ xfree (first_wv);
return wv;
}
}
#endif /* HAVE_NS */
-static int
-item_width (const char *str)
+ptrdiff_t
+menu_item_width (const unsigned char *str)
{
- int len;
- const char *p;
+ ptrdiff_t len;
+ const unsigned char *p;
for (len = 0, p = str; *p; )
{
if (XINT (pos) <= col
/* We use <= so the blank between 2 items on a TTY is
considered part of the previous item. */
- && col <= XINT (pos) + item_width (SSDATA (str)))
+ && col <= XINT (pos) + menu_item_width (SDATA (str)))
{
item = AREF (items, i);
return item;
no quit occurs and `x-popup-menu' returns nil. */)
(Lisp_Object position, Lisp_Object menu)
{
- Lisp_Object keymap, tem;
+ Lisp_Object keymap, tem, tem2;
int xpos = 0, ypos = 0;
Lisp_Object title;
const char *error_name = NULL;
Lisp_Object selection = Qnil;
struct frame *f = NULL;
Lisp_Object x, y, window;
- bool keymaps = 0;
- bool for_click = 0;
- ptrdiff_t specpdl_count = SPECPDL_INDEX ();
+ int menuflags = 0;
+ dynwind_begin ();
+ ptrdiff_t specpdl_count2;
struct gcpro gcpro1;
if (NILP (position))
/* This is an obsolete call, which wants us to precompute the
keybinding equivalents, but we don't do that any more anyway. */
- return Qnil;
+ {
+ dynwind_end ();
+ return Qnil;
+ }
-#ifdef HAVE_MENUS
{
bool get_current_pos_p = 0;
}
else
{
- for_click = 1;
+ menuflags |= MENU_FOR_CLICK;
tem = Fcar (Fcdr (position)); /* EVENT_START (position) */
window = Fcar (tem); /* POSN_WINDOW (tem) */
+ tem2 = Fcar (Fcdr (tem)); /* POSN_POSN (tem) */
+ /* The MENU_KBD_NAVIGATION field is set when the menu
+ was invoked by F10, which probably means they have no
+ mouse. In that case, we let them switch between
+ top-level menu-bar menus by using C-f/C-b and
+ horizontal arrow keys, since they cannot click the
+ mouse to open a different submenu. This flag is only
+ supported by tty_menu_show. We set it when POSITION
+ and last_nonmenu_event are different, which means we
+ constructed POSITION by hand (in popup-menu, see
+ menu-bar.el) to look like a mouse click on the menu bar
+ event. */
+ if (!EQ (POSN_POSN (last_nonmenu_event),
+ POSN_POSN (position))
+ && CONSP (tem2) && EQ (Fcar (tem2), Qmenu_bar))
+ menuflags |= MENU_KBD_NAVIGATION;
tem = Fcar (Fcdr (Fcdr (tem))); /* POSN_WINDOW_POSN (tem) */
x = Fcar (tem);
y = Fcdr (tem);
{
int cur_x, cur_y;
- mouse_position_for_popup (new_f, &cur_x, &cur_y);
+ x_relative_mouse_position (new_f, &cur_x, &cur_y);
/* cur_x/y may be negative, so use make_number. */
x = make_number (cur_x);
y = make_number (cur_y);
XSETFRAME (Vmenu_updating_frame, f);
}
-#endif /* HAVE_MENUS */
/* Now parse the lisp menus. */
record_unwind_protect_void (unuse_menu_items);
if (!NILP (prompt) && menu_items_n_panes >= 0)
ASET (menu_items, MENU_ITEMS_PANE_NAME, prompt);
- keymaps = 1;
+ menuflags |= MENU_KEYMAPS;
}
else if (CONSP (menu) && KEYMAPP (XCAR (menu)))
{
if (!NILP (title) && menu_items_n_panes >= 0)
ASET (menu_items, MENU_ITEMS_PANE_NAME, title);
- keymaps = 1;
+ menuflags |= MENU_KEYMAPS;
SAFE_FREE ();
}
list_of_panes (Fcdr (menu));
- keymaps = 0;
+ menuflags &= ~MENU_KEYMAPS;
}
- unbind_to (specpdl_count, Qnil);
+ dynwind_end ();
-#ifdef HAVE_MENUS
#ifdef HAVE_WINDOW_SYSTEM
/* Hide a previous tip, if any. */
if (!FRAME_TERMCAP_P (f))
}
#endif
+ dynwind_begin ();
+
#ifdef HAVE_NS /* FIXME: ns-specific, why? --Stef */
record_unwind_protect_void (discard_menu_items);
#endif
- /* Display them in a menu. */
-
- /* FIXME: Use a terminal hook! */
-#if defined HAVE_NTGUI
- if (FRAME_W32_P (f))
- selection = w32_menu_show (f, xpos, ypos, for_click,
- keymaps, title, &error_name);
- else
-#endif
-#if defined HAVE_NS
- if (FRAME_NS_P (f))
- selection = ns_menu_show (f, xpos, ypos, for_click,
- keymaps, title, &error_name);
- else
-#endif
-#if (defined (HAVE_X_WINDOWS) || defined (MSDOS))
- /* Assume last_event_timestamp is the timestamp of the button event.
- Is this assumption ever violated? We can't use the timestamp
- stored within POSITION because there the top bits from the actual
- timestamp may be truncated away (Bug#4930). */
- if (FRAME_X_P (f) || FRAME_MSDOS_P (f))
- selection = xmenu_show (f, xpos, ypos, for_click,
- keymaps, title, &error_name,
- last_event_timestamp);
- else
-#endif
- if (FRAME_TERMCAP_P (f))
- selection = tty_menu_show (f, xpos, ypos, for_click,
- keymaps, title, &error_name);
+ /* Display them in a menu, but not if F is the initial frame that
+ doesn't have its hooks set (e.g., in a batch session), because
+ such a frame cannot display menus. */
+ if (!FRAME_INITIAL_P (f))
+ selection = FRAME_TERMINAL (f)->menu_show_hook (f, xpos, ypos, menuflags,
+ title, &error_name);
-#ifdef HAVE_NS
- unbind_to (specpdl_count, Qnil);
-#else
+#ifndef HAVE_NS
discard_menu_items ();
#endif
+ dynwind_end ();
+
#ifdef HAVE_NTGUI /* FIXME: Is it really w32-specific? --Stef */
if (FRAME_W32_P (f))
FRAME_DISPLAY_INFO (f)->grabbed = 0;
#endif
-#endif /* HAVE_MENUS */
-
UNGCPRO;
if (error_name) error ("%s", error_name);
return selection;
}
-#ifdef HAVE_MENUS
+/* If F's terminal is not capable of displaying a popup dialog,
+ emulate it with a menu. */
+
+static Lisp_Object
+emulate_dialog_with_menu (struct frame *f, Lisp_Object contents)
+{
+ Lisp_Object x, y, frame, newpos, prompt = Fcar (contents);
+ int x_coord, y_coord;
+
+ if (FRAME_WINDOW_P (f))
+ {
+ x_coord = FRAME_PIXEL_WIDTH (f);
+ y_coord = FRAME_PIXEL_HEIGHT (f);
+ }
+ else
+ {
+ x_coord = FRAME_COLS (f);
+ /* Center the title at frame middle. (TTY menus have
+ their upper-left corner at the given position.) */
+ if (STRINGP (prompt))
+ x_coord -= SCHARS (prompt);
+ y_coord = FRAME_LINES (f);
+ }
+
+ XSETFRAME (frame, f);
+ XSETINT (x, x_coord / 2);
+ XSETINT (y, y_coord / 2);
+ newpos = list2 (list2 (x, y), frame);
+
+ return Fx_popup_menu (newpos, list2 (prompt, contents));
+}
DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0,
doc: /* Pop up a dialog box and return user's selection.
if (EQ (position, Qt)
|| (CONSP (position) && (EQ (XCAR (position), Qmenu_bar)
|| EQ (XCAR (position), Qtool_bar))))
- {
-#if 0 /* Using the frame the mouse is on may not be right. */
- /* Use the mouse's current position. */
- struct frame *new_f = SELECTED_FRAME ();
- Lisp_Object bar_window;
- enum scroll_bar_part part;
- Time time;
- Lisp_Object x, y;
-
- (*mouse_position_hook) (&new_f, 1, &bar_window, &part, &x, &y, &time);
-
- if (new_f != 0)
- XSETFRAME (window, new_f);
- else
- window = selected_window;
-#endif
- window = selected_window;
- }
+ window = selected_window;
else if (CONSP (position))
{
Lisp_Object tem = XCAR (position);
Do this before creating the widget value that points to Lisp
string contents, because Fredisplay may GC and relocate them. */
Fredisplay (Qt);
-#if defined (USE_X_TOOLKIT) || defined (USE_GTK)
- if (FRAME_WINDOW_P (f))
- return xw_popup_dialog (f, header, contents);
- else
-#endif
-#if defined (HAVE_NTGUI) && defined (HAVE_DIALOGS)
- if (FRAME_W32_P (f))
- return w32_popup_dialog (f, header, contents);
- else
-#endif
-#ifdef HAVE_NS
- if (FRAME_NS_P (f))
- return ns_popup_dialog (position, header, contents);
- else
-#endif
- /* Display a menu with these alternatives
- in the middle of frame F. */
- {
- Lisp_Object x, y, frame, newpos, prompt;
- int x_coord, y_coord;
- prompt = Fcar (contents);
- if (FRAME_WINDOW_P (f))
- {
- x_coord = FRAME_PIXEL_WIDTH (f);
- y_coord = FRAME_PIXEL_HEIGHT (f);
- }
- else
- {
- x_coord = FRAME_COLS (f);
- /* Center the title at frame middle. (TTY menus have their
- upper-left corner at the given position.) */
- if (STRINGP (prompt))
- x_coord -= SCHARS (prompt);
- y_coord = FRAME_LINES (f);
- }
- XSETFRAME (frame, f);
- XSETINT (x, x_coord / 2);
- XSETINT (y, y_coord / 2);
- newpos = list2 (list2 (x, y), frame);
-
- return Fx_popup_menu (newpos, list2 (prompt, contents));
- }
+ /* Display the popup dialog by a terminal-specific hook ... */
+ if (FRAME_TERMINAL (f)->popup_dialog_hook)
+ {
+ Lisp_Object selection
+ = FRAME_TERMINAL (f)->popup_dialog_hook (f, header, contents);
+#ifdef HAVE_NTGUI
+ /* NTGUI supports only simple dialogs with Yes/No choices. For
+ other dialogs, it returns the symbol 'unsupported--w32-dialog',
+ as a signal for the caller to fall back to the emulation code. */
+ if (!EQ (selection, Qunsupported__w32_dialog))
+#endif
+ return selection;
+ }
+ /* ... or emulate it with a menu. */
+ return emulate_dialog_with_menu (f, contents);
}
-#endif /* HAVE_MENUS */
-
void
syms_of_menu (void)
{
+#include "menu.x"
+
staticpro (&menu_items);
menu_items = Qnil;
menu_items_inuse = Qnil;
-
- defsubr (&Sx_popup_menu);
-
-#ifdef HAVE_MENUS
- defsubr (&Sx_popup_dialog);
-#endif
- defsubr (&Smenu_bar_menu_at_x_y);
}
HCoop / bpt / emacs.git / blobdiff