diff options
author | Jason Rumney <jasonr@gnu.org> | 2008-06-09 12:38:07 +0000 |
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committer | Jason Rumney <jasonr@gnu.org> | 2008-06-09 12:38:07 +0000 |
commit | 6fc032ed6fb0b960e7b8f1e347062c88115c6f0b (patch) | |
tree | d56d7a12ae9a9bc1b9eca2e3b0ab8bb2000e30e6 /src/w32menu.c | |
parent | a8495745c0f10e685797848adf87a46363b90c80 (diff) | |
download | emacs-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.c | 525 |
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; |