diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/EditMenuBar.c')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/EditMenuBar.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/EditMenuBar.c b/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/EditMenuBar.c new file mode 100644 index 00000000..23acfb42 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/EditMenuBar.c @@ -0,0 +1,210 @@ +/** @file + implements menubar interface functions. + + Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "EditMenuBar.h" +#include "UefiShellDebug1CommandsLib.h" +#include "EditStatusBar.h" + +EDITOR_MENU_ITEM *MenuItems; +MENU_ITEM_FUNCTION *ControlBasedMenuFunctions; +UINTN NumItems; + +/** + Cleanup function for a menu bar. frees all allocated memory. +**/ +VOID +MenuBarCleanup ( + VOID + ) +{ + SHELL_FREE_NON_NULL(MenuItems); +} + +/** + Initialize the menu bar with the specified items. + + @param[in] Items The items to display and their functions. + + @retval EFI_SUCCESS The initialization was correct. + @retval EFI_OUT_OF_RESOURCES A memory allocation failed. +**/ +EFI_STATUS +MenuBarInit ( + IN CONST EDITOR_MENU_ITEM *Items + ) +{ + CONST EDITOR_MENU_ITEM *ItemsWalker; + + for (NumItems = 0, ItemsWalker = Items ; ItemsWalker != NULL && ItemsWalker->Function != NULL ; ItemsWalker++,NumItems++); + + MenuItems = AllocateZeroPool((NumItems+1) * sizeof(EDITOR_MENU_ITEM)); + if (MenuItems == NULL) { + return EFI_OUT_OF_RESOURCES; + } + CopyMem(MenuItems, Items, (NumItems+1) * sizeof(EDITOR_MENU_ITEM)); + return EFI_SUCCESS; +} + +/** + Initialize the control hot-key with the specified items. + + @param[in] Items The hot-key functions. + + @retval EFI_SUCCESS The initialization was correct. +**/ +EFI_STATUS +ControlHotKeyInit ( + IN MENU_ITEM_FUNCTION *Items + ) +{ + ControlBasedMenuFunctions = Items; + return EFI_SUCCESS; +} +/** + Refresh function for the menu bar. + + @param[in] LastRow The last printable row. + @param[in] LastCol The last printable column. + + @retval EFI_SUCCESS The refresh was successful. +**/ +EFI_STATUS +MenuBarRefresh ( + IN CONST UINTN LastRow, + IN CONST UINTN LastCol + ) +{ + EDITOR_MENU_ITEM *Item; + UINTN Col; + UINTN Row; + UINTN Width; + CHAR16 *NameString; + CHAR16 *FunctionKeyString; + + // + // variable initialization + // + Col = 1; + Row = (LastRow - 2); + + // + // clear menu bar rows + // + EditorClearLine (LastRow - 2, LastCol, LastRow); + EditorClearLine (LastRow - 1, LastCol, LastRow); + EditorClearLine (LastRow , LastCol, LastRow); + + + // + // print out the menu items + // + for (Item = MenuItems; Item != NULL && Item->Function != NULL; Item++) { + + + NameString = HiiGetString(gShellDebug1HiiHandle, Item->NameToken, NULL); + + + Width = MAX ((StrLen (NameString) + 6), 20); + if (((Col + Width) > LastCol)) { + Row++; + Col = 1; + } + + FunctionKeyString = HiiGetString(gShellDebug1HiiHandle, Item->FunctionKeyToken, NULL); + + ShellPrintEx ((INT32)(Col) - 1, (INT32)(Row) - 1, L"%E%s%N %H%s%N ", FunctionKeyString, NameString); + + FreePool (NameString); + FreePool (FunctionKeyString); + Col += Width; + } + + return EFI_SUCCESS; +} + +/** + Function to dispatch the correct function based on a function key (F1...) + + @param[in] Key The pressed key. + + @retval EFI_NOT_FOUND The key was not a valid function key + (an error was sent to the status bar). + @return The return value from the called dispatch function. +**/ +EFI_STATUS +MenuBarDispatchFunctionKey ( + IN CONST EFI_INPUT_KEY *Key + ) +{ + UINTN Index; + + Index = Key->ScanCode - SCAN_F1; + + // + // check whether in range + // + if (Index > (NumItems - 1)) { + StatusBarSetStatusString (L"Unknown Command"); + return EFI_SUCCESS; + } + + return (MenuItems[Index].Function ()); +} + +/** + Function to dispatch the correct function based on a control-based key (ctrl+o...) + + @param[in] KeyData The pressed key. + + @retval EFI_NOT_FOUND The key was not a valid control-based key + (an error was sent to the status bar). + @return EFI_SUCCESS. +**/ +EFI_STATUS +MenuBarDispatchControlHotKey ( + IN CONST EFI_KEY_DATA *KeyData + ) +{ + UINT16 ControlIndex; + + // + // Set to invalid value first. + // + ControlIndex = MAX_UINT16; + + if (((KeyData->KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) == 0) || + (KeyData->KeyState.KeyShiftState == EFI_SHIFT_STATE_VALID)) { + // + // For consoles that don't support/report shift state, + // Ctrl+A is translated to 1 (UnicodeChar). + // + ControlIndex = KeyData->Key.UnicodeChar; + } else if (((KeyData->KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) != 0) && + ((KeyData->KeyState.KeyShiftState & (EFI_RIGHT_CONTROL_PRESSED | EFI_LEFT_CONTROL_PRESSED)) != 0) && + ((KeyData->KeyState.KeyShiftState & ~(EFI_SHIFT_STATE_VALID | EFI_RIGHT_CONTROL_PRESSED | EFI_LEFT_CONTROL_PRESSED)) == 0)) { + // + // For consoles that supports/reports shift state, + // make sure only CONTROL is pressed. + // + if ((KeyData->Key.UnicodeChar >= L'A') && (KeyData->Key.UnicodeChar <= L'Z')) { + ControlIndex = KeyData->Key.UnicodeChar - L'A' + 1; + } else if ((KeyData->Key.UnicodeChar >= L'a') && (KeyData->Key.UnicodeChar <= L'z')) { + ControlIndex = KeyData->Key.UnicodeChar - L'a' + 1; + } + } + if ((SCAN_CONTROL_Z < ControlIndex) + ||(NULL == ControlBasedMenuFunctions[ControlIndex])) + { + return EFI_NOT_FOUND; + } + + ControlBasedMenuFunctions[ControlIndex](); + return EFI_SUCCESS; +} + + |