mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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217 lines
5.9 KiB
C
217 lines
5.9 KiB
C
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/** @file
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implements menubar interface functions.
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Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "EditMenuBar.h"
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#include "UefiShellDebug1CommandsLib.h"
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#include "EditStatusBar.h"
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EDITOR_MENU_ITEM *MenuItems;
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MENU_ITEM_FUNCTION *ControlBasedMenuFunctions;
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UINTN NumItems;
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/**
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Cleanup function for a menu bar. frees all allocated memory.
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**/
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VOID
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MenuBarCleanup (
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VOID
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)
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{
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SHELL_FREE_NON_NULL(MenuItems);
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}
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/**
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Initialize the menu bar with the specified items.
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@param[in] Items The items to display and their functions.
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@retval EFI_SUCCESS The initialization was correct.
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@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
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**/
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EFI_STATUS
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MenuBarInit (
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IN CONST EDITOR_MENU_ITEM *Items
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)
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{
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CONST EDITOR_MENU_ITEM *ItemsWalker;
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for (NumItems = 0, ItemsWalker = Items ; ItemsWalker != NULL && ItemsWalker->Function != NULL ; ItemsWalker++,NumItems++);
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MenuItems = AllocateZeroPool((NumItems+1) * sizeof(EDITOR_MENU_ITEM));
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if (MenuItems == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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CopyMem(MenuItems, Items, (NumItems+1) * sizeof(EDITOR_MENU_ITEM));
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return EFI_SUCCESS;
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}
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/**
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Initialize the control hot-key with the specified items.
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@param[in] Items The hot-key functions.
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@retval EFI_SUCCESS The initialization was correct.
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**/
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EFI_STATUS
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ControlHotKeyInit (
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IN MENU_ITEM_FUNCTION *Items
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)
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{
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ControlBasedMenuFunctions = Items;
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return EFI_SUCCESS;
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}
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/**
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Refresh function for the menu bar.
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@param[in] LastRow The last printable row.
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@param[in] LastCol The last printable column.
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@retval EFI_SUCCESS The refresh was successful.
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**/
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EFI_STATUS
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MenuBarRefresh (
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IN CONST UINTN LastRow,
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IN CONST UINTN LastCol
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)
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{
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EDITOR_MENU_ITEM *Item;
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UINTN Col;
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UINTN Row;
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UINTN Width;
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CHAR16 *NameString;
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CHAR16 *FunctionKeyString;
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//
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// variable initialization
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//
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Col = 1;
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Row = (LastRow - 2);
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//
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// clear menu bar rows
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//
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EditorClearLine (LastRow - 2, LastCol, LastRow);
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EditorClearLine (LastRow - 1, LastCol, LastRow);
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EditorClearLine (LastRow , LastCol, LastRow);
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//
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// print out the menu items
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//
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for (Item = MenuItems; Item != NULL && Item->Function != NULL; Item++) {
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NameString = HiiGetString(gShellDebug1HiiHandle, Item->NameToken, NULL);
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Width = MAX ((StrLen (NameString) + 6), 20);
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if (((Col + Width) > LastCol)) {
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Row++;
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Col = 1;
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}
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FunctionKeyString = HiiGetString(gShellDebug1HiiHandle, Item->FunctionKeyToken, NULL);
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ShellPrintEx ((INT32)(Col) - 1, (INT32)(Row) - 1, L"%E%s%N %H%s%N ", FunctionKeyString, NameString);
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FreePool (NameString);
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FreePool (FunctionKeyString);
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Col += Width;
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}
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return EFI_SUCCESS;
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}
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/**
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Function to dispatch the correct function based on a function key (F1...)
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@param[in] Key The pressed key.
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@retval EFI_NOT_FOUND The key was not a valid function key
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(an error was sent to the status bar).
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@return The return value from the called dispatch function.
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**/
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EFI_STATUS
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MenuBarDispatchFunctionKey (
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IN CONST EFI_INPUT_KEY *Key
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)
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{
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UINTN Index;
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Index = Key->ScanCode - SCAN_F1;
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//
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// check whether in range
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//
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if (Index > (NumItems - 1)) {
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StatusBarSetStatusString (L"Unknown Command");
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return EFI_SUCCESS;
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}
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return (MenuItems[Index].Function ());
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}
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/**
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Function to dispatch the correct function based on a control-based key (ctrl+o...)
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@param[in] KeyData The pressed key.
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@retval EFI_NOT_FOUND The key was not a valid control-based key
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(an error was sent to the status bar).
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@return EFI_SUCCESS.
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**/
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EFI_STATUS
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MenuBarDispatchControlHotKey (
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IN CONST EFI_KEY_DATA *KeyData
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)
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{
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UINT16 ControlIndex;
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//
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// Set to invalid value first.
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//
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ControlIndex = MAX_UINT16;
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if (((KeyData->KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) == 0) ||
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(KeyData->KeyState.KeyShiftState == EFI_SHIFT_STATE_VALID)) {
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//
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// For consoles that don't support/report shift state,
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// Ctrl+A is translated to 1 (UnicodeChar).
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//
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ControlIndex = KeyData->Key.UnicodeChar;
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} else if (((KeyData->KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) != 0) &&
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((KeyData->KeyState.KeyShiftState & (EFI_RIGHT_CONTROL_PRESSED | EFI_LEFT_CONTROL_PRESSED)) != 0) &&
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((KeyData->KeyState.KeyShiftState & ~(EFI_SHIFT_STATE_VALID | EFI_RIGHT_CONTROL_PRESSED | EFI_LEFT_CONTROL_PRESSED)) == 0)) {
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//
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// For consoles that supports/reports shift state,
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// make sure only CONTROL is pressed.
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//
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if ((KeyData->Key.UnicodeChar >= L'A') && (KeyData->Key.UnicodeChar <= L'Z')) {
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ControlIndex = KeyData->Key.UnicodeChar - L'A' + 1;
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} else if ((KeyData->Key.UnicodeChar >= L'a') && (KeyData->Key.UnicodeChar <= L'z')) {
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ControlIndex = KeyData->Key.UnicodeChar - L'a' + 1;
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}
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}
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if ((SCAN_CONTROL_Z < ControlIndex)
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||(NULL == ControlBasedMenuFunctions[ControlIndex]))
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{
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return EFI_NOT_FOUND;
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}
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ControlBasedMenuFunctions[ControlIndex]();
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return EFI_SUCCESS;
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}
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