1 files changed, 188 insertions, 0 deletions
diff --git a/lib/internal.h b/lib/internal.h
new file mode 100644
index 0000000..2fc9393
--- /dev/null
+++ b/lib/internal.h
@@ -0,0 +1,188 @@
+#include "bemenu.h"
+
+#ifndef size_t
+#   include <stddef.h> /* for size_t */
+#endif
+
+/**
+ * Internal bmItem struct that is not exposed to public.
+ * Represents a single item in menu.
+ */
+struct _bmItem {
+    /**
+     * Userdata pointer.
+     * This pointer will be passed around with the item untouched.
+     */
+    void *userdata;
+
+    /**
+     * Primary text shown on item as null terminated C "string".
+     * Matching will be done against this text as well.
+     */
+    char *text;
+};
+
+/**
+ * Internal bmRenderApi struct.
+ * Renderers should be able to fill this one as they see fit.
+ */
+struct _bmRenderApi {
+    /**
+     * Get count of displayed items by the underlying renderer.
+     */
+    unsigned int (*displayedCount)(const bmMenu *menu);
+
+    /**
+     * If the underlying renderer is a UI toolkit. (curses, etc...)
+     * There might be possibility to get user input, and this should be thus implemented.
+     */
+    bmKey (*getKey)(unsigned int *unicode);
+
+    /**
+     * Tells underlying renderer to draw the menu.
+     */
+    void (*render)(const bmMenu *menu);
+
+    /**
+     * Release underlying renderer.
+     */
+    void (*free)(void);
+};
+
+struct _bmItemList {
+    /**
+     * Items in the list.
+     */
+    struct _bmItem **list;
+
+    /**
+     * Number of items.
+     */
+    unsigned int count;
+
+    /**
+     * Number of allocated items.
+     */
+    unsigned int allocated;
+};
+
+/**
+ * Internal bmMenu struct that is not exposed to public.
+ */
+struct _bmMenu {
+    /**
+     * Userdata pointer.
+     * This pointer will be passed around with the menu untouched.
+     */
+    void *userdata;
+
+    /**
+     * Underlying renderer access.
+     */
+    struct _bmRenderApi renderApi;
+
+    /**
+     * Items contained in menu instance.
+     */
+    struct _bmItemList items;
+
+    /**
+     * Filtered/displayed items contained in menu instance.
+     */
+    struct _bmItemList filtered;
+
+    /**
+     * Selected items.
+     */
+    struct _bmItemList selection;
+
+    /**
+     * Menu instance title.
+     */
+    char *title;
+
+    /**
+     * Text used to filter matches.
+     */
+    char *filter;
+
+    /**
+     * Used as optimization.
+     */
+    char *oldFilter;
+
+    /**
+     * Size of filter buffer
+     */
+    size_t filterSize;
+
+    /**
+     * Current byte offset on filter text.
+     */
+    unsigned int cursor;
+
+    /**
+     * Current column/cursor position on filter text.
+     */
+    unsigned int cursesCursor;
+
+    /**
+     * Current filtered/highlighted item index in menu instance.
+     * This index is valid for the list returned by bmMenuGetFilteredItems.
+     */
+    unsigned int index;
+
+    /**
+     * Current filtering method in menu instance.
+     */
+    bmFilterMode filterMode;
+
+    /**
+     * Drawing mode used in menu instance.
+     */
+    bmDrawMode drawMode;
+
+    /**
+     * Should selection be wrapped?
+     */
+    char wrap;
+};
+
+/* draw/curses.c */
+int _bmDrawCursesInit(struct _bmRenderApi *api);
+
+/* menu.c */
+int _bmMenuItemIsSelected(const bmMenu *menu, const bmItem *item);
+
+/* filter.c */
+bmItem** _bmFilterDmenu(bmMenu *menu, char addition, unsigned int *outNmemb);
+bmItem** _bmFilterDmenuCaseInsensitive(bmMenu *menu, char addition, unsigned int *outNmemb);
+
+/* list.c */
+void _bmItemListFreeList(struct _bmItemList *list);
+void _bmItemListFreeItems(struct _bmItemList *list);
+bmItem** _bmItemListGetItems(const struct _bmItemList *list, unsigned int *outNmemb);
+int _bmItemListSetItemsNoCopy(struct _bmItemList *list, bmItem **items, unsigned int nmemb);
+int _bmItemListSetItems(struct _bmItemList *list, const bmItem **items, unsigned int nmemb);
+int _bmItemListGrow(struct _bmItemList *list, unsigned int step);
+int _bmItemListAddItemAt(struct _bmItemList *list, bmItem *item, unsigned int index);
+int _bmItemListAddItem(struct _bmItemList *list, bmItem *item);
+int _bmItemListRemoveItemAt(struct _bmItemList *list, unsigned int index);
+int _bmItemListRemoveItem(struct _bmItemList *list, const bmItem *item);
+
+/* util.c */
+char* _bmStrdup(const char *s);
+size_t _bmStripToken(char *string, const char *token, size_t *outNext);
+int _bmStrupcmp(const char *hay, const char *needle);
+int _bmStrnupcmp(const char *hay, const char *needle, size_t len);
+char* _bmStrupstr(const char *hay, const char *needle);
+bmItem** _bmShrinkItemList(bmItem ***inOutList, size_t osize, size_t nsize);
+int _bmUtf8StringScreenWidth(const char *string);
+size_t _bmUtf8RuneNext(const char *string, size_t start);
+size_t _bmUtf8RunePrev(const char *string, size_t start);
+size_t _bmUtf8RuneWidth(const char *rune, unsigned int u8len);
+size_t _bmUtf8RuneRemove(char *string, size_t start, size_t *outRuneWidth);
+size_t _bmUtf8RuneInsert(char **string, size_t *bufSize, size_t start, const char *rune, unsigned int u8len, size_t *outRuneWidth);
+size_t _bmUnicodeInsert(char **string, size_t *bufSize, size_t start, unsigned int unicode, size_t *outRuneWidth);
+
+/* vim: set ts=8 sw=4 tw=0 :*/