Volume 7A: XView Programming Manual

Example 11-5. The menu_dir.c program (continued)

* recursive, a new menu is created for each subdirectory under the

* original path.

*/

Menu_item

add_path_to_menu(path)

char *path;

{

DIR *dirp;

struct direct *dp;

struct stat s_buf;

Menu_item mi;

Menu next_menu;

char buf[MAXPATHLEN];

/* don’t add a folder to the list if user can’t read it */

if (stat(path, &s_buf) == -1 || !(s_buf.st_mode & S_IREAD))

return NULL;

if (s_buf.st_mode & S_IFDIR) {

int cnt = 0;

if (!(dirp = opendir(path)))

/* don’t bother adding to list if we can’t scan it */

return NULL;

next_menu = (Menu)xv_create(XV_NULL, MENU, NULL);

while (dp = readdir(dirp))

if (strcmp(dp->d_name, ".") && strcmp(dp->d_name, "..")) {

(void) sprintf(buf, "%s/%s", path, dp–>d_name);

if (!(mi = add_path_to_menu(buf)))

/* unreadable file or dir - deactivate item */

mi = xv_create(XV_NULL, MENUITEM,

MENU_STRING, getfilename(dp->d_name),

MENU_RELEASE,

MENU_RELEASE_IMAGE,

MENU_INACTIVE, TRUE,

NULL);

xv_set(next_menu, MENU_APPEND_ITEM, mi, NULL);

cnt++;

}

closedir(dirp);

mi = xv_create(XV_NULL, MENUITEM,

MENU_STRING, getfilename(path),

MENU_RELEASE,

MENU_RELEASE_IMAGE,

MENU_NOTIFY_PROC, my_action_proc,

NULL);

if (!cnt) {

xv_destroy(next_menu);

/* An empty or unsearchable directory - deactivate item */

xv_set(mi, MENU_INACTIVE, TRUE, NULL);

} else {

xv_set(next_menu, MENU_TITLE_ITEM, getfilename(path), NULL);

xv_set(mi, MENU_PULLRIGHT, next_menu, NULL);

}

return mi;

}

return (Menu_item)xv_create(NULL, MENUITEM,

MENU_STRING, getfilename(path),

Menus

Menus 303

Example 11-5. The menu_dir.c program (continued)

MENU_RELEASE,

MENU_RELEASE_IMAGE,

MENU_NOTIFY_PROC, my_action_proc,

NULL);

}

11.19 Menu Package Summary

Table 11-1 lists the procedures and macros in the MENU package. Table 11-2 lists the attri-

butes in the MENU package. This information is described fully in the XView Reference Man-

ual.

Table 11-1. Menu Procedures and Macros

MENUITEM_SPACE()

menu_return_item()

menu_return_value()

menu_show

Table 11-2. Menu Attributes

MENU_APPEND_ITEM MENU_NOTIFY_STATUS

MENU_CLASS MENU_NROWS

MENU_COLOR MENU_NTH_ITEM

MENU_CLIENT_DATA MENU_PARENT

MENU_COL_MAJOR MENU_PIN

MENU_DEFAULT MENU_PIN_PROC

MENU_DEFAULT_ITEM MENU_PIN_WINDOW

MENU_DESCEND_FIRST MENU_PULLRIGHT

MENU_DONE_PROC MENU_RELEASE

MENU_FIRST_EVENT MENU_RELEASE_IMAGE

MENU_GEN_PIN_WINDOW MENU_REMOVE

MENU_GEN_PROC MENU_REMOVE_ITEM

MENU_GEN_PULLRIGHT MENU_REPLACE

MENU_IMAGE MENU_REPLACE_ITEM

MENU_IMAGES MENU_SELECTED

MENU_INACTIVE MENU_SELECTED_ITEM

MENU_INSERT MENU_STRING

MENU_INSERT_ITEM MENU_STRINGS

MENU_ITEM MENU_TITLE

MENU_LAST_EVENT MENU_TITLE_ITEM

304 XView Programming Manual

Table 11-2. Menu Attributes (continued)

MENU_NCOLS MENU_TYPE

MENU_NITEMS MENU_VALID_RESULT

MENU_NOTIFY_PROC MENU_VALUE

XV_DEPTH XV_VISUAL

XV_VISUAL_CLASS

Menus

Menus 305

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