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#ifndef UFM_PANEL_H
#define UFM_PANEL_H
#include <Uefi.h>
struct screen;
struct window;
struct dir_list;
struct fs_array;
struct panel_ctx {
struct window *wbg; // static window
struct window *wcwd, *wlist, *wfname, *wmarked; // dynamic windows
UINTN name_cols;
CHAR16 *cwd; // current work directory
// if cwd == NULL then we are showing filesystems now
UINTN curline; // current line
struct dir_list *dirs; // directory contents
struct fs_array *fsa; // aviable file systems
UINTN list_lines; // number of lines in the files list
UINTN start_entry; // file index at the beginning of the files list
UINTN marked; // count of marked files
};
/*
* Creates a panel with given parameters. Filled with files from the
* specified path
*
* scr: the information of the screen
* path: the pointer to path string
* cols: the number of columns
* lines: the number of lines
* x: the column coordinate (starts from 0) of upper left corner of the window
* y: the line coordinate (starts from 0) of upper left corner of the window
*
* return: A pointer to the allocated structure or NULL if allocation fails
*/
struct panel_ctx *panel_alloc(struct screen *scr, CONST CHAR16 *path,
INT32 cols, INT32 lines, INT32 x, INT32 y);
/*
* Deletes the panel, frees the structure
*
* p: the panel on which to operate
*
* return: VOID
*/
VOID panel_release(struct panel_ctx *p);
/*
* Moves cursor position to specified line
*
* p: the panel on which to operate
* line: the line coordinate (starts from 1)
*
* return: FALSE upon failure and TRUE upon successful completion
*/
BOOLEAN panel_move_cursor(struct panel_ctx *p, UINTN line);
/*
* Changes the working directory
*
* p: the panel on which to operate
* path: the pointer to path string
*
* return: FALSE upon failure and TRUE upon successful completion
*/
BOOLEAN panel_cd_to(struct panel_ctx *p, CONST CHAR16 *path);
/*
* Changes the active state
*
* p: the panel on which to operate
* active: TRUE if the panel should be activated. FALSE if the
* panel should be disabled
*
* return: VOID
*/
VOID panel_set_active(struct panel_ctx *p, BOOLEAN active);
/*
* Marks the file as selected. Supports work only with files.
*
* p: the panel on which to operate
* line: the line coordinate (starts from 1)
*
* return: FALSE upon failure and TRUE upon successful completion
*/
BOOLEAN panel_mark_file(struct panel_ctx *p, UINTN line);
/*
* Gets character from the input device.
*
* p: the panel on which to operate
*
* return: A pointer to a buffer that is filled in with the keystroke
* information for the key that was pressed.
*/
EFI_INPUT_KEY panel_getch(struct panel_ctx *p);
#endif /* UFM_PANEL_H */
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