forked from RepoMirrors/bemenu
180 lines
4.7 KiB
C
180 lines
4.7 KiB
C
#include "bemenu.h"
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#ifndef size_t
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# include <stddef.h> /* for size_t */
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#endif
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/**
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* Internal bmItem struct that is not exposed to public.
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* Represents a single item in menu.
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*/
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struct _bmItem {
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/**
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* Userdata pointer.
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* This pointer will be passed around with the item untouched.
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*/
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void *userdata;
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/**
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* Primary text shown on item as null terminated C "string".
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* Matching will be done against this text as well.
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*/
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char *text;
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};
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/**
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* Internal bmRenderApi struct.
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* Renderers should be able to fill this one as they see fit.
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*/
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struct _bmRenderApi {
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/**
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* Get count of displayed items by the underlying renderer.
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*/
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unsigned int (*displayedCount)(const bmMenu *menu);
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/**
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* If the underlying renderer is a UI toolkit. (curses, etc...)
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* There might be possibility to get user input, and this should be thus implemented.
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*/
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bmKey (*getKey)(unsigned int *unicode);
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/**
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* Tells underlying renderer to draw the menu.
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*/
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void (*render)(const bmMenu *menu);
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/**
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* Release underlying renderer.
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*/
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void (*free)(void);
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};
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struct _bmItemList {
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/**
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* Items in the list.
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*/
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struct _bmItem **list;
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/**
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* Number of items.
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*/
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unsigned int count;
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/**
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* Number of allocated items.
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*/
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unsigned int allocated;
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};
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/**
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* Internal bmMenu struct that is not exposed to public.
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*/
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struct _bmMenu {
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/**
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* Userdata pointer.
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* This pointer will be passed around with the menu untouched.
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*/
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void *userdata;
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/**
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* Underlying renderer access.
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*/
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struct _bmRenderApi renderApi;
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/**
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* Items contained in menu instance.
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*/
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struct _bmItemList items;
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/**
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* Filtered/displayed items contained in menu instance.
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*/
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struct _bmItemList filtered;
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/**
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* Selected items.
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*/
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struct _bmItemList selection;
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/**
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* Menu instance title.
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*/
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char *title;
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/**
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* Text used to filter matches.
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* XXX: Change this to a pointer?
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*/
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char filter[1024];
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/**
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* Used as optimization.
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*/
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char *oldFilter;
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/**
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* Current byte offset on filter text.
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*/
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unsigned int cursor;
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/**
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* Current column/cursor position on filter text.
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*/
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unsigned int cursesCursor;
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/**
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* Current filtered/highlighted item index in menu instance.
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* This index is valid for the list returned by bmMenuGetFilteredItems.
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*/
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unsigned int index;
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/**
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* Current filtering method in menu instance.
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*/
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bmFilterMode filterMode;
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/**
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* Drawing mode used in menu instance.
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*/
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bmDrawMode drawMode;
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};
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/* draw/curses.c */
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int _bmDrawCursesInit(struct _bmRenderApi *api);
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/* menu.c */
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int _bmMenuItemIsSelected(const bmMenu *menu, const bmItem *item);
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/* filter.c */
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bmItem** _bmFilterDmenu(bmMenu *menu, char addition, unsigned int *outNmemb);
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bmItem** _bmFilterDmenuCaseInsensitive(bmMenu *menu, char addition, unsigned int *outNmemb);
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/* list.c */
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void _bmItemListFreeList(struct _bmItemList *list);
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void _bmItemListFreeItems(struct _bmItemList *list);
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bmItem** _bmItemListGetItems(const struct _bmItemList *list, unsigned int *outNmemb);
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int _bmItemListSetItemsNoCopy(struct _bmItemList *list, bmItem **items, unsigned int nmemb);
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int _bmItemListSetItems(struct _bmItemList *list, const bmItem **items, unsigned int nmemb);
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int _bmItemListGrow(struct _bmItemList *list, unsigned int step);
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int _bmItemListAddItemAt(struct _bmItemList *list, bmItem *item, unsigned int index);
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int _bmItemListAddItem(struct _bmItemList *list, bmItem *item);
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int _bmItemListRemoveItemAt(struct _bmItemList *list, unsigned int index);
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int _bmItemListRemoveItem(struct _bmItemList *list, const bmItem *item);
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/* util.c */
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char* _bmStrdup(const char *s);
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size_t _bmStripToken(char *string, const char *token, size_t *outNext);
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int _bmStrupcmp(const char *hay, const char *needle);
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int _bmStrnupcmp(const char *hay, const char *needle, size_t len);
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char* _bmStrupstr(const char *hay, const char *needle);
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bmItem** _bmShrinkItemList(bmItem ***inOutList, size_t osize, size_t nsize);
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int _bmUtf8StringScreenWidth(const char *string);
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size_t _bmUtf8RuneNext(const char *string, size_t start);
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size_t _bmUtf8RunePrev(const char *string, size_t start);
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size_t _bmUtf8RuneWidth(const char *rune, unsigned int u8len);
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size_t _bmUtf8RuneRemove(char *string, size_t start, size_t *outRuneWidth);
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size_t _bmUtf8RuneInsert(char *string, size_t bufSize, size_t start, const char *rune, unsigned int u8len, size_t *outRuneWidth);
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size_t _bmUnicodeInsert(char *string, size_t bufSize, size_t start, unsigned int unicode, size_t *outRuneWidth);
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/* vim: set ts=8 sw=4 tw=0 :*/
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