implement the panel

1 files changed, 52 insertions, 0 deletions

diff --git a/Library/UefiShellUfmCommandLib/panel.h b/Library/UefiShellUfmCommandLib/panel.h
new file mode 100644
index 0000000..b0492e7
--- /dev/null
+++ b/Library/UefiShellUfmCommandLib/panel.h
@@ -0,0 +1,52 @@
+#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 *wname, *wsize, *wmodt;
+	struct window *winfo;
+	BOOLEAN	show_fs; // is filesystems showing now?
+
+	CONST CHAR16 *cwd; // current work directory
+
+	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
+ *
+ * w: the panel on which to operate
+ *
+ * return: VOID
+*/
+VOID panel_release(struct panel_ctx *p);
+
+#endif /* UFM_PANEL_H */