implement the panel

2 files changed, 165 insertions, 0 deletions

diff --git a/Library/UefiShellUfmCommandLib/panel.c b/Library/UefiShellUfmCommandLib/panel.c
new file mode 100644
index 0000000..3f5e208
--- /dev/null
+++ b/Library/UefiShellUfmCommandLib/panel.c
@@ -0,0 +1,113 @@
+#include <Library/UefiLib.h>
+#include <Library/DebugLib.h>
+#include <Library/ShellLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+
+#include "tbi/screen.h"
+#include "tbi/win.h"
+#include "dir.h"
+#include "fs.h"
+#include "panel.h"
+
+#define SIZE_COLS 7
+#define MODIFYTIME_COLS 12
+
+struct panel_ctx *panel_alloc(struct screen *scr, CONST CHAR16 *path,
+		INT32 cols, INT32 lines, INT32 x, INT32 y)
+{
+	ASSERT(scr != NULL);
+
+	struct panel_ctx *panel;
+	UINTN name_cols = cols - 1 - MODIFYTIME_COLS - 1 - SIZE_COLS - 1 - 1;
+	UINTN rows = lines - 2;
+	BOOLEAN res = FALSE;
+
+	panel = AllocateZeroPool(sizeof(struct panel_ctx));
+	if(!panel)
+		return NULL;
+
+	do { // START DO
+
+	panel->wname = newwin(scr, name_cols + 2, rows, x, y);
+	if(!panel->wname)
+		break;
+	wborder(panel->wname,
+		BOXDRAW_VERTICAL, BOXDRAW_VERTICAL,
+		BOXDRAW_HORIZONTAL, BOXDRAW_HORIZONTAL,
+		BOXDRAW_DOWN_RIGHT, BOXDRAW_DOWN_HORIZONTAL,
+		BOXDRAW_VERTICAL_RIGHT, BOXDRAW_UP_HORIZONTAL
+	);
+	mvwprintf(panel->wname, 1 + ((name_cols - 4) / 2), 1, L"Name");
+
+	panel->wsize = newwin(scr, SIZE_COLS + 2, rows, x + 1 + name_cols, y);
+	if(!panel->wsize)
+		break;
+	wborder(panel->wsize,
+		BOXDRAW_VERTICAL, BOXDRAW_VERTICAL,
+		BOXDRAW_HORIZONTAL, BOXDRAW_HORIZONTAL,
+		BOXDRAW_DOWN_HORIZONTAL, BOXDRAW_DOWN_HORIZONTAL,
+		BOXDRAW_UP_HORIZONTAL, BOXDRAW_UP_HORIZONTAL
+	);
+	mvwprintf(panel->wsize, 1 + ((SIZE_COLS - 4) / 2), 1, L"Size");
+
+	panel->wmodt = newwin(scr, MODIFYTIME_COLS + 2, rows,
+		x + 1 + name_cols + 1 + SIZE_COLS, y);
+	if(!panel->wmodt)
+		break;
+	wborder(panel->wmodt,
+		BOXDRAW_VERTICAL, BOXDRAW_VERTICAL,
+		BOXDRAW_HORIZONTAL, BOXDRAW_HORIZONTAL,
+		BOXDRAW_DOWN_HORIZONTAL, BOXDRAW_DOWN_LEFT,
+		BOXDRAW_UP_HORIZONTAL, BOXDRAW_VERTICAL_LEFT
+	);
+	mvwprintf(panel->wmodt, 1 + ((MODIFYTIME_COLS - 11) / 2), 1, L"Modify Time");
+
+	panel->winfo = newwin(scr, cols, 3, x, y + lines - 3);
+	if(!panel->winfo)
+		break;
+	wborder(panel->winfo,
+		BOXDRAW_VERTICAL, BOXDRAW_VERTICAL,
+		BOXDRAW_HORIZONTAL, BOXDRAW_HORIZONTAL,
+		BOXDRAW_VERTICAL_RIGHT, BOXDRAW_VERTICAL_LEFT,
+		BOXDRAW_UP_RIGHT, BOXDRAW_UP_LEFT
+	);
+
+	res = TRUE;
+
+	} while(0); // END DO
+
+	panel->cwd = path;
+	panel->curline = 1;
+	panel->list_lines = rows - 2 - 1;
+	panel->start_entry = 1;
+
+	if(!res) {
+		panel_release(panel);
+		return NULL;
+	}
+
+	res = panel_show(panel, panel->cwd);
+	if(!res) {
+		panel_release(panel);
+		return NULL;
+	}
+	return panel;
+}
+
+VOID panel_release(struct panel_ctx *p)
+{
+	ASSERT(p != NULL);
+
+	if(p->winfo)
+		delwin(p->winfo);
+	if(p->wname)
+		delwin(p->wname);
+	if(p->wsize)
+		delwin(p->wsize);
+	if(p->wmodt)
+		delwin(p->wmodt);
+
+	FreePool(p);
+}
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 */