/* Menu support for GNU Emacs on the Microsoft Windows API.
- Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2013 Free
+ Copyright (C) 1986, 1988, 1993-1994, 1996, 1998-1999, 2001-2014 Free
Software Foundation, Inc.
This file is part of GNU Emacs.
IN LPCMENUITEMINFOA);
typedef int (WINAPI * MessageBoxW_Proc) (
IN HWND window,
- IN WCHAR *text,
- IN WCHAR *caption,
+ IN const WCHAR *text,
+ IN const WCHAR *caption,
IN UINT type);
#ifdef NTGUI_UNICODE
MessageBoxW_Proc unicode_message_box = NULL;
#endif /* NTGUI_UNICODE */
-Lisp_Object Qdebug_on_next_call;
+Lisp_Object Qdebug_on_next_call, Qunsupported__w32_dialog;
-void set_frame_menubar (FRAME_PTR, bool, bool);
+void set_frame_menubar (struct frame *, bool, bool);
#ifdef HAVE_DIALOGS
-static Lisp_Object w32_dialog_show (FRAME_PTR, int, Lisp_Object, char**);
+static Lisp_Object w32_dialog_show (struct frame *, Lisp_Object, Lisp_Object, char **);
#else
static int is_simple_dialog (Lisp_Object);
-static Lisp_Object simple_dialog_show (FRAME_PTR, Lisp_Object, Lisp_Object);
+static Lisp_Object simple_dialog_show (struct frame *, Lisp_Object, Lisp_Object);
#endif
static void utf8to16 (unsigned char *, int, WCHAR *);
void w32_free_menu_strings (HWND);
-#ifdef HAVE_MENUS
-
-DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 3, 0,
- doc: /* Pop up a dialog box and return user's selection.
-POSITION specifies which frame to use.
-This is normally a mouse button event or a window or frame.
-If POSITION is t, it means to use the frame the mouse is on.
-The dialog box appears in the middle of the specified frame.
-
-CONTENTS specifies the alternatives to display in the dialog box.
-It is a list of the form (TITLE ITEM1 ITEM2...).
-Each ITEM is a cons cell (STRING . VALUE).
-The return value is VALUE from the chosen item.
-
-An ITEM may also be just a string--that makes a nonselectable item.
-An ITEM may also be nil--that means to put all preceding items
-on the left of the dialog box and all following items on the right.
-\(By default, approximately half appear on each side.)
-
-If HEADER is non-nil, the frame title for the box is "Information",
-otherwise it is "Question". */)
- (Lisp_Object position, Lisp_Object contents, Lisp_Object header)
+Lisp_Object
+w32_popup_dialog (struct frame *f, Lisp_Object header, Lisp_Object contents)
{
- FRAME_PTR f = NULL;
- Lisp_Object window;
-
- check_window_system ();
- /* Decode the first argument: find the window or frame to use. */
- 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. */
- FRAME_PTR 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;
- }
- else if (CONSP (position))
- {
- Lisp_Object tem = XCAR (position);
- if (CONSP (tem))
- window = Fcar (XCDR (position));
- else
- {
- tem = Fcar (XCDR (position)); /* EVENT_START (position) */
- window = Fcar (tem); /* POSN_WINDOW (tem) */
- }
- }
- else if (WINDOWP (position) || FRAMEP (position))
- window = position;
- else
- window = Qnil;
-
- /* Decode where to put the menu. */
-
- if (FRAMEP (window))
- f = XFRAME (window);
- else if (WINDOWP (window))
- {
- CHECK_LIVE_WINDOW (window);
- f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
- }
- else
- /* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME,
- but I don't want to make one now. */
- CHECK_WINDOW (window);
+ check_window_system (f);
#ifndef HAVE_DIALOGS
- {
- /* Handle simple Yes/No choices as MessageBox popups. */
- if (is_simple_dialog (contents))
- return simple_dialog_show (f, contents, header);
- else
- {
- /* Display a menu with these alternatives
- in the middle of frame F. */
- Lisp_Object x, y, frame, newpos;
- XSETFRAME (frame, f);
- XSETINT (x, x_pixel_width (f) / 2);
- XSETINT (y, x_pixel_height (f) / 2);
- newpos = Fcons (Fcons (x, Fcons (y, Qnil)), Fcons (frame, Qnil));
- return Fx_popup_menu (newpos,
- Fcons (Fcar (contents), Fcons (contents, Qnil)));
- }
- }
-#else /* HAVE_DIALOGS */
- {
- Lisp_Object title;
- char *error_name;
- Lisp_Object selection;
+ /* Handle simple Yes/No choices as MessageBox popups. */
+ if (is_simple_dialog (contents))
+ return simple_dialog_show (f, contents, header);
+ else
+ return Qunsupported__w32_dialog;
+#else /* HAVE_DIALOGS */
+ {
+ Lisp_Object title;
+ char *error_name;
+ Lisp_Object selection;
- /* Decode the dialog items from what was specified. */
- title = Fcar (contents);
- CHECK_STRING (title);
+ /* Decode the dialog items from what was specified. */
+ title = Fcar (contents);
+ CHECK_STRING (title);
- list_of_panes (Fcons (contents, Qnil));
+ list_of_panes (Fcons (contents, Qnil));
- /* Display them in a dialog box. */
- block_input ();
- selection = w32_dialog_show (f, 0, title, header, &error_name);
- unblock_input ();
+ /* Display them in a dialog box. */
+ block_input ();
+ selection = w32_dialog_show (f, title, header, &error_name);
+ unblock_input ();
- discard_menu_items ();
- FRAME_X_DISPLAY_INFO (f)->grabbed = 0;
+ discard_menu_items ();
+ FRAME_DISPLAY_INFO (f)->grabbed = 0;
- if (error_name) error (error_name);
- return selection;
- }
+ if (error_name) error (error_name);
+ return selection;
+ }
#endif /* HAVE_DIALOGS */
}
This way we can safely execute Lisp code. */
void
-x_activate_menubar (FRAME_PTR f)
+x_activate_menubar (struct frame *f)
{
set_frame_menubar (f, 0, 1);
and put the appropriate events into the keyboard buffer. */
void
-menubar_selection_callback (FRAME_PTR f, void * client_data)
+menubar_selection_callback (struct frame *f, void * client_data)
{
Lisp_Object prefix, entry;
Lisp_Object vector;
it is set the first time this is called, from initialize_frame_menubar. */
void
-set_frame_menubar (FRAME_PTR f, bool first_time, bool deep_p)
+set_frame_menubar (struct frame *f, bool first_time, bool deep_p)
{
HMENU menubar_widget = f->output_data.w32->menubar_widget;
Lisp_Object items;
struct buffer *prev = current_buffer;
Lisp_Object buffer;
- ptrdiff_t specpdl_count = SPECPDL_INDEX ();
+ dynwind_begin ();
int previous_menu_items_used = f->menu_bar_items_used;
Lisp_Object *previous_items
= (Lisp_Object *) alloca (previous_menu_items_used
/* Convert menu_items into widget_value trees
to display the menu. This cannot evaluate Lisp code. */
- wv = xmalloc_widget_value ();
- wv->name = "menubar";
- wv->value = 0;
- wv->enabled = 1;
+ wv = make_widget_value ("menubar", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
- wv->help = Qnil;
first_wv = wv;
for (i = 0; i < last_i; i += 4)
{
free_menubar_widget_value_tree (first_wv);
discard_menu_items ();
- unbind_to (specpdl_count, Qnil);
+ dynwind_end ();
return;
}
f->menu_bar_items_used = menu_items_used;
/* This undoes save_menu_items. */
- unbind_to (specpdl_count, Qnil);
+ dynwind_end ();
/* Now GC cannot happen during the lifetime of the widget_value,
so it's safe to store data from a Lisp_String, as long as
/* Make a widget-value tree containing
just the top level menu bar strings. */
- wv = xmalloc_widget_value ();
- wv->name = "menubar";
- wv->value = 0;
- wv->enabled = 1;
+ wv = make_widget_value ("menubar", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
- wv->help = Qnil;
first_wv = wv;
items = FRAME_MENU_BAR_ITEMS (f);
if (NILP (string))
break;
- wv = xmalloc_widget_value ();
- wv->name = SSDATA (string);
- wv->value = 0;
- wv->enabled = 1;
+ wv = make_widget_value (SSDATA (string), NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
- wv->help = Qnil;
/* This prevents lwlib from assuming this
menu item is really supposed to be empty. */
/* The EMACS_INT cast avoids a warning.
/* Force the window size to be recomputed so that the frame's text
area remains the same, if menubar has just been created. */
if (old_widget == NULL)
- x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
+ x_set_window_size (f, 0, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f), 1);
}
unblock_input ();
is visible. */
void
-initialize_frame_menubar (FRAME_PTR f)
+initialize_frame_menubar (struct frame *f)
{
/* This function is called before the first chance to redisplay
the frame. It has to be, so the frame will have the right size. */
This is used when deleting a frame, and when turning off the menu bar. */
void
-free_frame_menubar (FRAME_PTR f)
+free_frame_menubar (struct frame *f)
{
block_input ();
/* F is the frame the menu is for.
X and Y are the frame-relative specified position,
relative to the inside upper left corner of the frame F.
- FOR_CLICK is nonzero if this menu was invoked for a mouse click.
- KEYMAPS is 1 if this menu was specified with keymaps;
+ Bitfield MENUFLAGS bits are:
+ MENU_FOR_CLICK is set if this menu was invoked for a mouse click.
+ MENU_KEYMAPS is set if this menu was specified with keymaps;
in that case, we return a list containing the chosen item's value
and perhaps also the pane's prefix.
TITLE is the specified menu title.
(We return nil on failure, but the value doesn't actually matter.) */
Lisp_Object
-w32_menu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps,
+w32_menu_show (struct frame *f, int x, int y, int menuflags,
Lisp_Object title, const char **error)
{
int i;
return Qnil;
}
+ block_input ();
+
/* Create a tree of widget_value objects
representing the panes and their items. */
- 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;
first_pane = 1;
{
/* Create a new pane. */
Lisp_Object pane_name, prefix;
- char *pane_string;
+ const char *pane_string;
pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME);
prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
/* If the pane has a meaningful name,
make the pane a top-level menu item
with its items as a submenu beneath it. */
- if (!keymaps && strcmp (pane_string, ""))
+ if (!(menuflags & MENU_KEYMAPS) && strcmp (pane_string, ""))
{
- wv = xmalloc_widget_value ();
+ wv = make_widget_value (pane_string, NULL, true, Qnil);
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
- wv->name = pane_string;
- if (keymaps && !NILP (prefix))
+ if ((menuflags & MENU_KEYMAPS) && !NILP (prefix))
wv->name++;
- wv->value = 0;
- wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
- wv->help = Qnil;
save_wv = wv;
prev_wv = 0;
}
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
- wv = xmalloc_widget_value ();
+ wv = make_widget_value (SSDATA (item_name), NULL, !NILP (enable),
+ STRINGP (help) ? help : Qnil);
if (prev_wv)
prev_wv->next = wv;
else
save_wv->contents = wv;
- wv->name = SSDATA (item_name);
if (!NILP (descrip))
wv->key = SSDATA (descrip);
- wv->value = 0;
/* Use the contents index as call_data, since we are
restricted to 16-bits. */
wv->call_data = !NILP (def) ? (void *) (EMACS_INT) i : 0;
- wv->enabled = !NILP (enable);
if (NILP (type))
wv->button_type = BUTTON_TYPE_NONE;
wv->selected = !NILP (selected);
- if (!STRINGP (help))
- help = Qnil;
-
- wv->help = help;
-
prev_wv = wv;
i += MENU_ITEMS_ITEM_LENGTH;
/* Deal with the title, if it is non-nil. */
if (!NILP (title))
{
- widget_value *wv_title = xmalloc_widget_value ();
- widget_value *wv_sep = xmalloc_widget_value ();
+ widget_value *wv_title;
+ widget_value *wv_sep = make_widget_value ("--", NULL, false, Qnil);
/* Maybe replace this separator with a bitmap or owner-draw item
so that it looks better. Having two separators looks odd. */
- wv_sep->name = "--";
wv_sep->next = first_wv->contents;
- wv_sep->help = Qnil;
if (unicode_append_menu)
title = ENCODE_UTF_8 (title);
else if (STRING_MULTIBYTE (title))
title = ENCODE_SYSTEM (title);
- wv_title->name = SSDATA (title);
- wv_title->enabled = TRUE;
+ wv_title = make_widget_value (SSDATA (title), NULL, true, Qnil);
wv_title->title = TRUE;
wv_title->button_type = BUTTON_TYPE_NONE;
- wv_title->help = Qnil;
wv_title->next = wv_sep;
first_wv->contents = wv_title;
}
/* Clean up extraneous mouse events which might have been generated
during the call. */
discard_mouse_events ();
- FRAME_X_DISPLAY_INFO (f)->grabbed = 0;
+ FRAME_DISPLAY_INFO (f)->grabbed = 0;
/* Free the widget_value objects we used to specify the contents. */
free_menubar_widget_value_tree (first_wv);
i += 1;
else
{
- entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
+ entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
if (menu_item_selection == i)
{
- if (keymaps != 0)
+ if (menuflags & MENU_KEYMAPS)
{
int j;
if (!NILP (subprefix_stack[j]))
entry = Fcons (subprefix_stack[j], entry);
}
+ unblock_input ();
return entry;
}
i += MENU_ITEMS_ITEM_LENGTH;
}
}
}
- else if (!for_click)
- /* Make "Cancel" equivalent to C-g. */
- Fsignal (Qquit, Qnil);
+ else if (!(menuflags & MENU_FOR_CLICK))
+ {
+ unblock_input ();
+ /* Make "Cancel" equivalent to C-g. */
+ Fsignal (Qquit, Qnil);
+ }
+ unblock_input ();
return Qnil;
}
\f
"button6", "button7", "button8", "button9", "button10" };
static Lisp_Object
-w32_dialog_show (FRAME_PTR f, int keymaps,
- Lisp_Object title, Lisp_Object header,
- char **error)
+w32_dialog_show (struct frame *f, Lisp_Object title,
+ Lisp_Object header, char **error)
{
int i, nb_buttons = 0;
char dialog_name[6];
/* Create a tree of widget_value objects
representing the text label and buttons. */
{
- Lisp_Object pane_name, prefix;
+ Lisp_Object pane_name;
char *pane_string;
pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME);
- prefix = AREF (menu_items, MENU_ITEMS_PANE_PREFIX);
pane_string = (NILP (pane_name)
? "" : SSDATA (pane_name));
- prev_wv = xmalloc_widget_value ();
- prev_wv->value = pane_string;
- if (keymaps && !NILP (prefix))
- prev_wv->name++;
- prev_wv->enabled = 1;
- prev_wv->name = "message";
- prev_wv->help = Qnil;
+ prev_wv = make_widget_value ("message", pane_string, true, Qnil);
first_wv = prev_wv;
/* Loop over all panes and items, filling in the tree. */
return Qnil;
}
- wv = xmalloc_widget_value ();
+ wv = make_widget_value (button_names[nb_buttons],
+ SSDATA (item_name),
+ !NILP (enable), Qnil);
prev_wv->next = wv;
- wv->name = (char *) button_names[nb_buttons];
if (!NILP (descrip))
wv->key = SSDATA (descrip);
- wv->value = SSDATA (item_name);
wv->call_data = aref_addr (menu_items, i);
- wv->enabled = !NILP (enable);
- wv->help = Qnil;
prev_wv = wv;
if (! boundary_seen)
if (! boundary_seen)
left_count = nb_buttons - nb_buttons / 2;
- wv = xmalloc_widget_value ();
- wv->name = dialog_name;
- wv->help = Qnil;
+ wv = make_widget_value (dialog_name, NULL, false, Qnil);
/* Frame title: 'Q' = Question, 'I' = Information.
Can also have 'E' = Error if, one day, we want
lw_pop_up_all_widgets (dialog_id);
/* Process events that apply to the menu. */
- popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), dialog_id);
+ popup_get_selection ((XEvent *) 0, FRAME_DISPLAY_INFO (f), dialog_id);
lw_destroy_all_widgets (dialog_id);
the proper value. */
if (menu_item_selection != 0)
{
- Lisp_Object prefix;
-
- prefix = Qnil;
i = 0;
while (i < menu_items_used)
{
Lisp_Object entry;
if (EQ (AREF (menu_items, i), Qt))
- {
- prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
- i += MENU_ITEMS_PANE_LENGTH;
- }
+ i += MENU_ITEMS_PANE_LENGTH;
else
{
- entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
+ entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
if (menu_item_selection == i)
- {
- if (keymaps != 0)
- {
- entry = Fcons (entry, Qnil);
- if (!NILP (prefix))
- entry = Fcons (prefix, entry);
- }
- return entry;
- }
+ return entry;
i += MENU_ITEMS_ITEM_LENGTH;
}
}
}
static Lisp_Object
-simple_dialog_show (FRAME_PTR f, Lisp_Object contents, Lisp_Object header)
+simple_dialog_show (struct frame *f, Lisp_Object contents, Lisp_Object header)
{
int answer;
UINT type;
/* Use Unicode if possible, so any language can be displayed. */
if (unicode_message_box)
{
- WCHAR *text, *title;
+ WCHAR *text;
+ const WCHAR *title;
USE_SAFE_ALLOCA;
if (STRINGP (temp))
}
else
{
- char *text, *title;
+ const char *text, *title;
/* Fall back on ANSI message box, but at least use system
encoding so questions representable by the system codepage
current_popup_menu = NULL;
}
-#endif /* HAVE_MENUS */
-
/* The following is used by delayed window autoselection. */
DEFUN ("menu-or-popup-active-p", Fmenu_or_popup_active_p, Smenu_or_popup_active_p, 0, 0, 0,
doc: /* Return t if a menu or popup dialog is active on selected frame. */)
(void)
{
-#ifdef HAVE_MENUS
- FRAME_PTR f;
+ struct frame *f;
f = SELECTED_FRAME ();
return (f->output_data.w32->menubar_active > 0) ? Qt : Qnil;
-#else
- return Qnil;
-#endif /* HAVE_MENUS */
}
void
syms_of_w32menu (void)
{
+#include "w32menu.x"
+
globals_of_w32menu ();
current_popup_menu = NULL;
DEFSYM (Qdebug_on_next_call, "debug-on-next-call");
-
- defsubr (&Smenu_or_popup_active_p);
-#ifdef HAVE_MENUS
- defsubr (&Sx_popup_dialog);
-#endif
+ DEFSYM (Qunsupported__w32_dialog, "unsupported--w32-dialog");
}
/*