summaryrefslogtreecommitdiff
path: root/src/w32menu.c
diff options
context:
space:
mode:
authorJason Rumney <jasonr@gnu.org>2008-06-09 12:38:07 +0000
committerJason Rumney <jasonr@gnu.org>2008-06-09 12:38:07 +0000
commit6fc032ed6fb0b960e7b8f1e347062c88115c6f0b (patch)
treed56d7a12ae9a9bc1b9eca2e3b0ab8bb2000e30e6 /src/w32menu.c
parenta8495745c0f10e685797848adf87a46363b90c80 (diff)
downloademacs-6fc032ed6fb0b960e7b8f1e347062c88115c6f0b.tar.gz
(enum button_type, widget_value, local_heap, local_alloc):
(local_free, malloc_widget_value, free_widget_value): (MENU_ITEMS_ITEM_NAME, MENU_ITEMS_ITEM_ENABLE, MENU_ITEMS_ITEM_VALUE): (MENU_ITEMS_ITEM_EQUIV_KEY, MENU_ITEMS_ITEM_DEFINITION): (MENU_ITEMS_ITEM_TYPE, MENU_ITEMS_ITEM_SELECTED, MENU_ITEMS_ITEM_HELP): (MENU_ITEMS_ITEM_LENGTH, enum menu_item_idx): Remove defs. (menu_items, menu_items_allocated, menu_items_used): (menu_items_n_panes, menu_items_submenu_depth): Remove global vars. (init_menu_items, finish_menu_items, discard_menu_items): (grow_menu_items, push_submenu_start, push_submenu_end): (push_left_right_boundary, push_menu_pane, push_menu_item, (keymap_panes, single_keymap_panes, list_of_panes, list_of_items): (free_menubar_widget_tree_value, parse_single_submenu): (update_submenu_strings): Remove functions. (xmalloc_widget_value): Remove and declare extern.
Diffstat (limited to 'src/w32menu.c')
-rw-r--r--src/w32menu.c525
1 files changed, 2 insertions, 523 deletions
diff --git a/src/w32menu.c b/src/w32menu.c
index 8957da895dd..a689d472e71 100644
--- a/src/w32menu.c
+++ b/src/w32menu.c
@@ -50,82 +50,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#undef HAVE_DIALOGS /* TODO: Implement native dialogs. */
-/******************************************************************/
-/* Definitions copied from lwlib.h */
-
-typedef void * XtPointer;
-typedef char Boolean;
-
-enum button_type
-{
- BUTTON_TYPE_NONE,
- BUTTON_TYPE_TOGGLE,
- BUTTON_TYPE_RADIO
-};
-
-/* This structure is based on the one in ../lwlib/lwlib.h, modified
- for Windows. */
-typedef struct _widget_value
-{
- /* name of widget */
- Lisp_Object lname;
- char* name;
- /* value (meaning depend on widget type) */
- char* value;
- /* keyboard equivalent. no implications for XtTranslations */
- Lisp_Object lkey;
- char* key;
- /* Help string or nil if none.
- GC finds this string through the frame's menu_bar_vector
- or through menu_items. */
- Lisp_Object help;
- /* true if enabled */
- Boolean enabled;
- /* true if selected */
- Boolean selected;
- /* The type of a button. */
- enum button_type button_type;
- /* true if menu title */
- Boolean title;
-#if 0
- /* true if was edited (maintained by get_value) */
- Boolean edited;
- /* true if has changed (maintained by lw library) */
- change_type change;
- /* true if this widget itself has changed,
- but not counting the other widgets found in the `next' field. */
- change_type this_one_change;
-#endif
- /* Contents of the sub-widgets, also selected slot for checkbox */
- struct _widget_value* contents;
- /* data passed to callback */
- XtPointer call_data;
- /* next one in the list */
- struct _widget_value* next;
-#if 0
- /* slot for the toolkit dependent part. Always initialize to NULL. */
- void* toolkit_data;
- /* tell us if we should free the toolkit data slot when freeing the
- widget_value itself. */
- Boolean free_toolkit_data;
-
- /* we resource the widget_value structures; this points to the next
- one on the free list if this one has been deallocated.
- */
- struct _widget_value *free_list;
-#endif
-} widget_value;
-
-/* Local memory management */
-#define local_heap (GetProcessHeap ())
-#define local_alloc(n) (HeapAlloc (local_heap, HEAP_ZERO_MEMORY, (n)))
-#define local_free(p) (HeapFree (local_heap, 0, ((LPVOID) (p))))
-
-#define malloc_widget_value() ((widget_value *) local_alloc (sizeof (widget_value)))
-#define free_widget_value(wv) (local_free ((wv)))
-
-/******************************************************************/
-
#ifndef TRUE
#define TRUE 1
#define FALSE 0
@@ -180,71 +104,12 @@ static Lisp_Object simple_dialog_show P_ ((FRAME_PTR, Lisp_Object, Lisp_Object))
static Lisp_Object w32_menu_show P_ ((FRAME_PTR, int, int, int, int,
Lisp_Object, char **));
-static void keymap_panes P_ ((Lisp_Object *, int, int));
-static void single_keymap_panes P_ ((Lisp_Object, Lisp_Object, Lisp_Object,
- int, int));
-static void single_menu_item P_ ((Lisp_Object, Lisp_Object,
- Lisp_Object *, int, int));
-static void list_of_panes P_ ((Lisp_Object));
-static void list_of_items P_ ((Lisp_Object));
void w32_free_menu_strings P_((HWND));
-/* This holds a Lisp vector that holds the results of decoding
- the keymaps or alist-of-alists that specify a menu.
-
- It describes the panes and items within the panes.
-
- Each pane is described by 3 elements in the vector:
- t, the pane name, the pane's prefix key.
- Then follow the pane's items, with 5 elements per item:
- the item string, the enable flag, the item's value,
- the definition, and the equivalent keyboard key's description string.
-
- In some cases, multiple levels of menus may be described.
- A single vector slot containing nil indicates the start of a submenu.
- A single vector slot containing lambda indicates the end of a submenu.
- The submenu follows a menu item which is the way to reach the submenu.
-
- A single vector slot containing quote indicates that the
- following items should appear on the right of a dialog box.
-
- Using a Lisp vector to hold this information while we decode it
- takes care of protecting all the data from GC. */
-
-#define MENU_ITEMS_PANE_NAME 1
-#define MENU_ITEMS_PANE_PREFIX 2
-#define MENU_ITEMS_PANE_LENGTH 3
-
-enum menu_item_idx
-{
- MENU_ITEMS_ITEM_NAME = 0,
- MENU_ITEMS_ITEM_ENABLE,
- MENU_ITEMS_ITEM_VALUE,
- MENU_ITEMS_ITEM_EQUIV_KEY,
- MENU_ITEMS_ITEM_DEFINITION,
- MENU_ITEMS_ITEM_TYPE,
- MENU_ITEMS_ITEM_SELECTED,
- MENU_ITEMS_ITEM_HELP,
- MENU_ITEMS_ITEM_LENGTH
-};
-
-static Lisp_Object menu_items;
-
-/* Number of slots currently allocated in menu_items. */
-static int menu_items_allocated;
-
-/* This is the index in menu_items of the first empty slot. */
-static int menu_items_used;
-
-/* The number of panes currently recorded in menu_items,
- excluding those within submenus. */
-static int menu_items_n_panes;
-
-/* Current depth within submenus. */
-static int menu_items_submenu_depth;
-
static int next_menubar_widget_id;
+extern widget_value *xmalloc_widget_value P_ ((void));
+
/* This is set nonzero after the user activates the menu bar, and set
to zero again after the menu bars are redisplayed by prepare_menu_bar.
While it is nonzero, all calls to set_frame_menubar go deep.
@@ -279,343 +144,6 @@ menubar_id_to_frame (id)
return 0;
}
-/* Initialize the menu_items structure if we haven't already done so.
- Also mark it as currently empty. */
-
-static void
-init_menu_items ()
-{
- if (NILP (menu_items))
- {
- menu_items_allocated = 60;
- menu_items = Fmake_vector (make_number (menu_items_allocated), Qnil);
- }
-
- menu_items_used = 0;
- menu_items_n_panes = 0;
- menu_items_submenu_depth = 0;
-}
-
-/* Call at the end of generating the data in menu_items.
- This fills in the number of items in the last pane. */
-
-static void
-finish_menu_items ()
-{
-}
-
-/* Call when finished using the data for the current menu
- in menu_items. */
-
-static void
-discard_menu_items ()
-{
- /* Free the structure if it is especially large.
- Otherwise, hold on to it, to save time. */
- if (menu_items_allocated > 200)
- {
- menu_items = Qnil;
- menu_items_allocated = 0;
- }
-}
-
-/* Make the menu_items vector twice as large. */
-
-static void
-grow_menu_items ()
-{
- menu_items_allocated *= 2;
- menu_items = larger_vector (menu_items, menu_items_allocated, Qnil);
-}
-
-/* Begin a submenu. */
-
-static void
-push_submenu_start ()
-{
- if (menu_items_used + 1 > menu_items_allocated)
- grow_menu_items ();
-
- ASET (menu_items, menu_items_used, Qnil);
- menu_items_used++;
- menu_items_submenu_depth++;
-}
-
-/* End a submenu. */
-
-static void
-push_submenu_end ()
-{
- if (menu_items_used + 1 > menu_items_allocated)
- grow_menu_items ();
-
- ASET (menu_items, menu_items_used, Qlambda);
- menu_items_used++;
- menu_items_submenu_depth--;
-}
-
-/* Indicate boundary between left and right. */
-
-static void
-push_left_right_boundary ()
-{
- if (menu_items_used + 1 > menu_items_allocated)
- grow_menu_items ();
-
- ASET (menu_items, menu_items_used, Qquote);
- menu_items_used++;
-}
-
-/* Start a new menu pane in menu_items.
- NAME is the pane name. PREFIX_VEC is a prefix key for this pane. */
-
-static void
-push_menu_pane (name, prefix_vec)
- Lisp_Object name, prefix_vec;
-{
- if (menu_items_used + MENU_ITEMS_PANE_LENGTH > menu_items_allocated)
- grow_menu_items ();
-
- if (menu_items_submenu_depth == 0)
- menu_items_n_panes++;
- ASET (menu_items, menu_items_used, Qt); menu_items_used++;
- ASET (menu_items, menu_items_used, name); menu_items_used++;
- ASET (menu_items, menu_items_used, prefix_vec); menu_items_used++;
-}
-
-/* Push one menu item into the current pane. NAME is the string to
- display. ENABLE if non-nil means this item can be selected. KEY
- is the key generated by choosing this item, or nil if this item
- doesn't really have a definition. DEF is the definition of this
- item. EQUIV is the textual description of the keyboard equivalent
- for this item (or nil if none). TYPE is the type of this menu
- item, one of nil, `toggle' or `radio'. */
-
-static void
-push_menu_item (name, enable, key, def, equiv, type, selected, help)
- Lisp_Object name, enable, key, def, equiv, type, selected, help;
-{
- if (menu_items_used + MENU_ITEMS_ITEM_LENGTH > menu_items_allocated)
- grow_menu_items ();
-
- ASET (menu_items, menu_items_used, name); menu_items_used++;
- ASET (menu_items, menu_items_used, enable); menu_items_used++;
- ASET (menu_items, menu_items_used, key); menu_items_used++;
- ASET (menu_items, menu_items_used, equiv); menu_items_used++;
- ASET (menu_items, menu_items_used, def); menu_items_used++;
- ASET (menu_items, menu_items_used, type); menu_items_used++;
- ASET (menu_items, menu_items_used, selected); menu_items_used++;
- ASET (menu_items, menu_items_used, help); menu_items_used++;
-}
-
-/* Look through KEYMAPS, a vector of keymaps that is NMAPS long,
- and generate menu panes for them in menu_items.
- If NOTREAL is nonzero,
- don't bother really computing whether an item is enabled. */
-
-static void
-keymap_panes (keymaps, nmaps, notreal)
- Lisp_Object *keymaps;
- int nmaps;
- int notreal;
-{
- int mapno;
-
- init_menu_items ();
-
- /* Loop over the given keymaps, making a pane for each map.
- But don't make a pane that is empty--ignore that map instead.
- P is the number of panes we have made so far. */
- for (mapno = 0; mapno < nmaps; mapno++)
- single_keymap_panes (keymaps[mapno],
- Fkeymap_prompt (keymaps[mapno]), Qnil, notreal, 10);
-
- finish_menu_items ();
-}
-
-/* This is a recursive subroutine of keymap_panes.
- It handles one keymap, KEYMAP.
- The other arguments are passed along
- or point to local variables of the previous function.
- If NOTREAL is nonzero, only check for equivalent key bindings, don't
- evaluate expressions in menu items and don't make any menu.
-
- If we encounter submenus deeper than MAXDEPTH levels, ignore them. */
-
-static void
-single_keymap_panes (keymap, pane_name, prefix, notreal, maxdepth)
- Lisp_Object keymap;
- Lisp_Object pane_name;
- Lisp_Object prefix;
- int notreal;
- int maxdepth;
-{
- Lisp_Object pending_maps = Qnil;
- Lisp_Object tail, item;
- struct gcpro gcpro1, gcpro2;
-
- if (maxdepth <= 0)
- return;
-
- push_menu_pane (pane_name, prefix);
-
- for (tail = keymap; CONSP (tail); tail = XCDR (tail))
- {
- GCPRO2 (keymap, pending_maps);
- /* Look at each key binding, and if it is a menu item add it
- to this menu. */
- item = XCAR (tail);
- if (CONSP (item))
- single_menu_item (XCAR (item), XCDR (item),
- &pending_maps, notreal, maxdepth);
- else if (VECTORP (item))
- {
- /* Loop over the char values represented in the vector. */
- int len = ASIZE (item);
- int c;
- for (c = 0; c < len; c++)
- {
- Lisp_Object character;
- XSETFASTINT (character, c);
- single_menu_item (character, AREF (item, c),
- &pending_maps, notreal, maxdepth);
- }
- }
- UNGCPRO;
- }
-
- /* Process now any submenus which want to be panes at this level. */
- while (!NILP (pending_maps))
- {
- Lisp_Object elt, eltcdr, string;
- elt = Fcar (pending_maps);
- eltcdr = XCDR (elt);
- string = XCAR (eltcdr);
- /* We no longer discard the @ from the beginning of the string here.
- Instead, we do this in w32_menu_show. */
- single_keymap_panes (Fcar (elt), string,
- XCDR (eltcdr), notreal, maxdepth - 1);
- pending_maps = Fcdr (pending_maps);
- }
-}
-
-/* This is a subroutine of single_keymap_panes that handles one
- keymap entry.
- KEY is a key in a keymap and ITEM is its binding.
- PENDING_MAPS_PTR points to a list of keymaps waiting to be made into
- separate panes.
- If NOTREAL is nonzero, only check for equivalent key bindings, don't
- evaluate expressions in menu items and don't make any menu.
- If we encounter submenus deeper than MAXDEPTH levels, ignore them. */
-
-static void
-single_menu_item (key, item, pending_maps_ptr, notreal, maxdepth)
- Lisp_Object key, item;
- Lisp_Object *pending_maps_ptr;
- int maxdepth, notreal;
-{
- Lisp_Object map, item_string, enabled;
- struct gcpro gcpro1, gcpro2;
- int res;
-
- /* Parse the menu item and leave the result in item_properties. */
- GCPRO2 (key, item);
- res = parse_menu_item (item, notreal, 0);
- UNGCPRO;
- if (!res)
- return; /* Not a menu item. */
-
- map = AREF (item_properties, ITEM_PROPERTY_MAP);
-
- if (notreal)
- {
- /* We don't want to make a menu, just traverse the keymaps to
- precompute equivalent key bindings. */
- if (!NILP (map))
- single_keymap_panes (map, Qnil, key, 1, maxdepth - 1);
- return;
- }
-
- enabled = AREF (item_properties, ITEM_PROPERTY_ENABLE);
- item_string = AREF (item_properties, ITEM_PROPERTY_NAME);
-
- if (!NILP (map) && SREF (item_string, 0) == '@')
- {
- if (!NILP (enabled))
- /* An enabled separate pane. Remember this to handle it later. */
- *pending_maps_ptr = Fcons (Fcons (map, Fcons (item_string, key)),
- *pending_maps_ptr);
- return;
- }
-
- push_menu_item (item_string, enabled, key,
- AREF (item_properties, ITEM_PROPERTY_DEF),
- AREF (item_properties, ITEM_PROPERTY_KEYEQ),
- AREF (item_properties, ITEM_PROPERTY_TYPE),
- AREF (item_properties, ITEM_PROPERTY_SELECTED),
- AREF (item_properties, ITEM_PROPERTY_HELP));
-
- /* Display a submenu using the toolkit. */
- if (! (NILP (map) || NILP (enabled)))
- {
- push_submenu_start ();
- single_keymap_panes (map, Qnil, key, 0, maxdepth - 1);
- push_submenu_end ();
- }
-}
-
-/* Push all the panes and items of a menu described by the
- alist-of-alists MENU.
- This handles old-fashioned calls to x-popup-menu. */
-
-static void
-list_of_panes (menu)
- Lisp_Object menu;
-{
- Lisp_Object tail;
-
- init_menu_items ();
-
- for (tail = menu; CONSP (tail); tail = XCDR (tail))
- {
- Lisp_Object elt, pane_name, pane_data;
- elt = XCAR (tail);
- pane_name = Fcar (elt);
- CHECK_STRING (pane_name);
- push_menu_pane (pane_name, Qnil);
- pane_data = Fcdr (elt);
- CHECK_CONS (pane_data);
- list_of_items (pane_data);
- }
-
- finish_menu_items ();
-}
-
-/* Push the items in a single pane defined by the alist PANE. */
-
-static void
-list_of_items (pane)
- Lisp_Object pane;
-{
- Lisp_Object tail, item, item1;
-
- for (tail = pane; CONSP (tail); tail = XCDR (tail))
- {
- item = XCAR (tail);
- if (STRINGP (item))
- push_menu_item (item, Qnil, Qnil, Qt, Qnil, Qnil, Qnil, Qnil);
- else if (NILP (item))
- push_left_right_boundary ();
- else
- {
- CHECK_CONS (item);
- item1 = Fcar (item);
- CHECK_STRING (item1);
- push_menu_item (item1, Qt, Fcdr (item), Qt, Qnil, Qnil, Qnil, Qnil);
- }
- }
-}
-
DEFUN ("x-popup-menu", Fx_popup_menu, Sx_popup_menu, 2, 2, 0,
doc: /* Pop up a deck-of-cards menu and return user's selection.
POSITION is a position specification. This is either a mouse button
@@ -1092,20 +620,6 @@ menubar_selection_callback (FRAME_PTR f, void * client_data)
f->output_data.w32->menubar_active = 0;
}
-/* Allocate a widget_value, blocking input. */
-
-widget_value *
-xmalloc_widget_value ()
-{
- widget_value *value;
-
- BLOCK_INPUT;
- value = malloc_widget_value ();
- UNBLOCK_INPUT;
-
- return value;
-}
-
/* This recursively calls free_widget_value 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
@@ -1366,41 +880,6 @@ digest_single_submenu (start, end, top_level_items)
}
-/* Walk through the widget_value tree starting at FIRST_WV and update
- the char * pointers from the corresponding lisp values.
- We do this after building the whole tree, since GC may happen while the
- tree is constructed, and small strings are relocated. So we must wait
- until no GC can happen before storing pointers into lisp values. */
-static void
-update_submenu_strings (first_wv)
- widget_value *first_wv;
-{
- widget_value *wv;
-
- for (wv = first_wv; wv; wv = wv->next)
- {
- if (wv->lname && ! NILP (wv->lname))
- {
- wv->name = SDATA (wv->lname);
-
- /* Ignore the @ that means "separate pane".
- This is a kludge, but this isn't worth more time. */
- if (wv->value == (char *)1)
- {
- if (wv->name[0] == '@')
- wv->name++;
- wv->value = 0;
- }
- }
-
- if (wv->lkey && ! NILP (wv->lkey))
- wv->key = SDATA (wv->lkey);
-
- if (wv->contents)
- update_submenu_strings (wv->contents);
- }
-}
-
/* Set the contents of the menubar widgets of frame F.
The argument FIRST_TIME is currently ignored;