Add missing description for BlDisplayBootMenu()
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GPG Key ID:
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495
xtldr2/textui.c
495
xtldr2/textui.c
@ -9,6 +9,253 @@
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#include <xtldr.h>
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#include <xtldr.h>
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/**
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* Displays a simple TUI-based boot menu.
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*
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* @return This routine does not return any value.
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*
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* @since XT 1.0
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*/
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XTCDECL
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VOID
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BlDisplayBootMenu()
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{
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XTBL_DIALOG_HANDLE Handle;
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PXTBL_BOOTMENU_ITEM MenuEntries = NULL;
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ULONG Index, NumberOfEntries, HighligtedEntryId;
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UINT_PTR EventIndex;
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EFI_EVENT Events[2];
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EFI_INPUT_KEY Key;
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EFI_EVENT TimerEvent;
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EFI_STATUS Status;
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LONG TimeOut;
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PWCHAR TimeOutString;
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/* Initialize boot menu list */
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BlInitializeBootMenuList(MenuEntries, &NumberOfEntries, &HighligtedEntryId);
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/* Get timeout from the configuration */
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TimeOutString = BlGetConfigValue(L"TIMEOUT");
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TimeOut = -1;
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/* Check if timeout is specified */
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if(TimeOutString != NULL)
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{
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/* Convert timeout string to number */
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TimeOut = 0;
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while(*TimeOutString >= '0' && *TimeOutString <= '9')
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{
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TimeOut *= 10;
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TimeOut += *TimeOutString - '0';
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TimeOutString++;
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}
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}
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/* Infinite boot menu loop */
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while(TRUE)
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{
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/* Draw boot menu */
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BlpDrawBootMenu(&Handle);
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/* Check if there is anything to show in the boot menu */
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if(NumberOfEntries > 0) {
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/* Iterate through all menu entries */
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for(Index = 0; Index < NumberOfEntries; Index++)
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{
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/* Draw menu entry */
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BlpDrawBootMenuEntry(&Handle, MenuEntries[Index].EntryName, Index, Index == HighligtedEntryId);
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}
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}
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else
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{
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/* No menu entries found, show error message */
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BlDisplayErrorDialog(L"XTLDR", L"No boot menu entries found in the configuration. Falling back to shell.");
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/* Exit into XTLDR shell */
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return;
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}
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/* Create a timer event for controlling the timeout of the boot menu */
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Status = EfiSystemTable->BootServices->CreateEvent(EFI_EVENT_TIMER, EFI_TPL_CALLBACK, NULL, NULL, &TimerEvent);
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if(Status == STATUS_EFI_SUCCESS)
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{
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/* Setup new EFI timer */
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Status = EfiSystemTable->BootServices->SetTimer(TimerEvent, TimerPeriodic, 10000000);
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}
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/* Check is EFI timer was successfully created */
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if(Status != STATUS_EFI_SUCCESS)
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{
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/* Timer creation failed, disable the timer */
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TimeOut = -1;
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}
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/* Initialize EFI events */
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Events[0] = EfiSystemTable->ConIn->WaitForKey;
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Events[1] = TimerEvent;
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/* Infinite boot menu event loop */
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while(TRUE)
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{
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/* Wait for EFI event */
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BlWaitForEfiEvent(2, Events, &EventIndex);
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/* Check which event was received */
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if(EventIndex == 0)
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{
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/* Key pressed, check if timer is still active */
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if(TimeOut != -1)
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{
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/* Disable the timer */
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TimeOut = -1;
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/* Cancel timer event */
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EfiSystemTable->BootServices->SetTimer(TimerEvent, TimerCancel, 0);
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/* Remove the timer message */
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BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
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}
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/* Read key stroke */
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BlReadKeyStroke(&Key);
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if(Key.ScanCode == 0x03 || Key.UnicodeChar == 0x0D)
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{
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/* ENTER or RightArrow key pressed, boot the highlighted OS */
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BlSetConsoleAttributes(Handle.DialogColor | Handle.TextColor);
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BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
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BlSetCursorPosition(4, Handle.PosY + Handle.Height + 4);
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BlConsolePrint(L"Booting '%S' now...\n", MenuEntries[HighligtedEntryId].EntryName);
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/* Boot the highlighted (chosen) OS */
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Status = BlInvokeBootProtocol(MenuEntries[HighligtedEntryId].Options);
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if(Status != STATUS_SUCCESS)
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{
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/* Failed to boot OS */
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BlDebugPrint(L"ERROR: Failed to boot OS '%S' (Status Code: 0x%lx)\n",
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MenuEntries[HighligtedEntryId].EntryName, Status);
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BlDisplayErrorDialog(L"XTLDR", L"Failed to startup the selected Operating System.");
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}
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/* Break from boot menu event loop to redraw whole boot menu */
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break;
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}
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else if(Key.ScanCode == 0x01)
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{
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/* UpArrow key pressed, go to previous entry if possible */
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if(HighligtedEntryId > 0)
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{
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/* Highlight previous entry */
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HighligtedEntryId--;
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BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId + 1].EntryName,
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HighligtedEntryId + 1, FALSE);
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BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
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HighligtedEntryId, TRUE);
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}
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}
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else if(Key.ScanCode == 0x02)
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{
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/* DownArrow key pressed, go to next entry if possible */
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if(HighligtedEntryId < NumberOfEntries - 1)
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{
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/* Highlight next entry */
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HighligtedEntryId++;
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BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId - 1].EntryName,
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HighligtedEntryId - 1, FALSE);
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BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
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HighligtedEntryId, TRUE);
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}
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}
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else if(Key.ScanCode == 0x09)
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{
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/* PageUp key pressed, go to top entry */
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if(HighligtedEntryId != 0)
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{
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/* Highlight first entry */
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BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
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HighligtedEntryId, FALSE);
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BlpDrawBootMenuEntry(&Handle, MenuEntries[0].EntryName, 0, TRUE);
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/* Update highlighted entry ID */
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HighligtedEntryId = 0;
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}
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}
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else if(Key.ScanCode == 0x0A)
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{
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/* PageDown key pressed, go to bottom entry */
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if(HighligtedEntryId != NumberOfEntries - 1)
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{
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/* Highlight last entry */
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BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
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HighligtedEntryId, FALSE);
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BlpDrawBootMenuEntry(&Handle, MenuEntries[NumberOfEntries - 1].EntryName,
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NumberOfEntries - 1, TRUE);
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/* Update highlighted entry ID */
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HighligtedEntryId = NumberOfEntries - 1;
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}
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}
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else if(Key.ScanCode == 0x0B)
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{
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/* F1 key pressed, show help */
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BlDisplayInfoDialog(L"XTLDR", L"XTLDR Boot Loader Help");
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/* Break from boot menu event loop to redraw whole boot menu */
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break;
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}
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else if(Key.UnicodeChar == 0x65)
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{
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/* 'e' key pressed, edit the highlighted entry */
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BlDisplayErrorDialog(L"XTLDR", L"Editing boot menu entries is not implemented yet!");
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/* Break from boot menu event loop to redraw whole boot menu */
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break;
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}
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else if(Key.UnicodeChar == 0x73)
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{
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/* 's' key pressed, exit into XTLDR shell */
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return;
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}
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}
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else
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{
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/* Timer tick, check if time out expired */
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if(TimeOut > 0)
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{
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/* Update a message and decrease timeout value */
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BlSetConsoleAttributes(Handle.DialogColor | Handle.TextColor);
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BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
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BlSetCursorPosition(4, Handle.PosY + Handle.Height + 4);
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BlConsolePrint(L"The highlighted position will be booted automatically in %ld seconds.", TimeOut);
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TimeOut--;
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}
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else if(TimeOut == 0)
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{
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/* Time out expired, update a message */
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BlSetConsoleAttributes(Handle.DialogColor | Handle.TextColor);
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BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
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BlSetCursorPosition(4, Handle.PosY + Handle.Height + 4);
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BlConsolePrint(L"Booting '%S' now...\n", MenuEntries[HighligtedEntryId].EntryName);
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/* Disable the timer just in case booting OS fails */
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TimeOut = -1;
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/* Boot the highlighted (default) OS */
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Status = BlInvokeBootProtocol(MenuEntries[HighligtedEntryId].Options);
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if(Status != STATUS_SUCCESS)
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{
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/* Failed to boot OS */
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BlDebugPrint(L"ERROR: Failed to boot OS '%S' (Status Code: 0x%lx)\n",
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MenuEntries[HighligtedEntryId].EntryName, Status);
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BlDisplayErrorDialog(L"XTLDR", L"Failed to startup the selected Operating System.");
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}
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break;
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}
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}
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}
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}
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}
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/**
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/**
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* Displays a red error dialog box with the specified caption and message.
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* Displays a red error dialog box with the specified caption and message.
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*
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*
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@ -960,251 +1207,3 @@ BlDisplayInputDialog(IN PWCHAR Caption,
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BlSetConsoleAttributes(EFI_TEXT_BGCOLOR_BLACK | EFI_TEXT_FGCOLOR_LIGHTGRAY);
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BlSetConsoleAttributes(EFI_TEXT_BGCOLOR_BLACK | EFI_TEXT_FGCOLOR_LIGHTGRAY);
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BlClearConsoleScreen();
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BlClearConsoleScreen();
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}
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}
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XTCDECL
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EFI_STATUS
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BlInvokeBootProtocol(IN PLIST_ENTRY Options);
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XTCDECL
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VOID
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BlDisplayBootMenu()
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{
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XTBL_DIALOG_HANDLE Handle;
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PXTBL_BOOTMENU_ITEM MenuEntries = NULL;
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ULONG Index, NumberOfEntries, HighligtedEntryId;
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UINT_PTR EventIndex;
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EFI_EVENT Events[2];
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EFI_INPUT_KEY Key;
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EFI_EVENT TimerEvent;
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EFI_STATUS Status;
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LONG TimeOut;
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PWCHAR TimeOutString;
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/* Initialize boot menu list */
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BlInitializeBootMenuList(MenuEntries, &NumberOfEntries, &HighligtedEntryId);
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/* Get timeout from the configuration */
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TimeOutString = BlGetConfigValue(L"TIMEOUT");
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TimeOut = -1;
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/* Check if timeout is specified */
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if(TimeOutString != NULL)
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{
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/* Convert timeout string to number */
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TimeOut = 0;
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while(*TimeOutString >= '0' && *TimeOutString <= '9')
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{
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TimeOut *= 10;
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TimeOut += *TimeOutString - '0';
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TimeOutString++;
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}
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}
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/* Infinite boot menu loop */
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while(TRUE)
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{
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/* Draw boot menu */
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BlpDrawBootMenu(&Handle);
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/* Check if there is anything to show in the boot menu */
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if(NumberOfEntries > 0) {
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/* Iterate through all menu entries */
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for(Index = 0; Index < NumberOfEntries; Index++)
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{
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/* Draw menu entry */
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BlpDrawBootMenuEntry(&Handle, MenuEntries[Index].EntryName, Index, Index == HighligtedEntryId);
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}
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}
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else
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{
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/* No menu entries found, show error message */
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BlDisplayErrorDialog(L"XTLDR", L"No boot menu entries found in the configuration. Falling back to shell.");
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/* Exit into XTLDR shell */
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return;
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}
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/* Create a timer event for controlling the timeout of the boot menu */
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Status = EfiSystemTable->BootServices->CreateEvent(EFI_EVENT_TIMER, EFI_TPL_CALLBACK, NULL, NULL, &TimerEvent);
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if(Status == STATUS_EFI_SUCCESS)
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{
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/* Setup new EFI timer */
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Status = EfiSystemTable->BootServices->SetTimer(TimerEvent, TimerPeriodic, 10000000);
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}
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/* Check is EFI timer was successfully created */
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if(Status != STATUS_EFI_SUCCESS)
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{
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/* Timer creation failed, disable the timer */
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TimeOut = -1;
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}
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/* Initialize EFI events */
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Events[0] = EfiSystemTable->ConIn->WaitForKey;
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Events[1] = TimerEvent;
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/* Infinite boot menu event loop */
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while(TRUE)
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{
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/* Wait for EFI event */
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BlWaitForEfiEvent(2, Events, &EventIndex);
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/* Check which event was received */
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if(EventIndex == 0)
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{
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/* Key pressed, check if timer is still active */
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if(TimeOut != -1)
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{
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/* Disable the timer */
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TimeOut = -1;
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/* Cancel timer event */
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EfiSystemTable->BootServices->SetTimer(TimerEvent, TimerCancel, 0);
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/* Remove the timer message */
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BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
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}
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/* Read key stroke */
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BlReadKeyStroke(&Key);
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if(Key.ScanCode == 0x03 || Key.UnicodeChar == 0x0D)
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{
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/* ENTER or RightArrow key pressed, boot the highlighted OS */
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BlSetConsoleAttributes(Handle.DialogColor | Handle.TextColor);
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BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
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BlSetCursorPosition(4, Handle.PosY + Handle.Height + 4);
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BlConsolePrint(L"Booting '%S' now...\n", MenuEntries[HighligtedEntryId].EntryName);
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/* Boot the highlighted (chosen) OS */
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Status = BlInvokeBootProtocol(MenuEntries[HighligtedEntryId].Options);
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if(Status != STATUS_SUCCESS)
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{
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/* Failed to boot OS */
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BlDebugPrint(L"ERROR: Failed to boot OS '%S' (Status Code: 0x%lx)\n",
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MenuEntries[HighligtedEntryId].EntryName, Status);
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BlDisplayErrorDialog(L"XTLDR", L"Failed to startup the selected Operating System.");
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}
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/* Break from boot menu event loop to redraw whole boot menu */
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break;
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}
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else if(Key.ScanCode == 0x01)
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{
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/* UpArrow key pressed, go to previous entry if possible */
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if(HighligtedEntryId > 0)
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{
|
|
||||||
/* Highlight previous entry */
|
|
||||||
HighligtedEntryId--;
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId + 1].EntryName,
|
|
||||||
HighligtedEntryId + 1, FALSE);
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
|
|
||||||
HighligtedEntryId, TRUE);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if(Key.ScanCode == 0x02)
|
|
||||||
{
|
|
||||||
/* DownArrow key pressed, go to next entry if possible */
|
|
||||||
if(HighligtedEntryId < NumberOfEntries - 1)
|
|
||||||
{
|
|
||||||
/* Highlight next entry */
|
|
||||||
HighligtedEntryId++;
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId - 1].EntryName,
|
|
||||||
HighligtedEntryId - 1, FALSE);
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
|
|
||||||
HighligtedEntryId, TRUE);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if(Key.ScanCode == 0x09)
|
|
||||||
{
|
|
||||||
/* PageUp key pressed, go to top entry */
|
|
||||||
if(HighligtedEntryId != 0)
|
|
||||||
{
|
|
||||||
/* Highlight first entry */
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
|
|
||||||
HighligtedEntryId, FALSE);
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[0].EntryName, 0, TRUE);
|
|
||||||
|
|
||||||
/* Update highlighted entry ID */
|
|
||||||
HighligtedEntryId = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if(Key.ScanCode == 0x0A)
|
|
||||||
{
|
|
||||||
/* PageDown key pressed, go to bottom entry */
|
|
||||||
if(HighligtedEntryId != NumberOfEntries - 1)
|
|
||||||
{
|
|
||||||
/* Highlight last entry */
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName,
|
|
||||||
HighligtedEntryId, FALSE);
|
|
||||||
BlpDrawBootMenuEntry(&Handle, MenuEntries[NumberOfEntries - 1].EntryName,
|
|
||||||
NumberOfEntries - 1, TRUE);
|
|
||||||
|
|
||||||
/* Update highlighted entry ID */
|
|
||||||
HighligtedEntryId = NumberOfEntries - 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if(Key.ScanCode == 0x0B)
|
|
||||||
{
|
|
||||||
/* F1 key pressed, show help */
|
|
||||||
BlDisplayInfoDialog(L"XTLDR", L"XTLDR Boot Loader Help");
|
|
||||||
|
|
||||||
/* Break from boot menu event loop to redraw whole boot menu */
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
else if(Key.UnicodeChar == 0x65)
|
|
||||||
{
|
|
||||||
/* 'e' key pressed, edit the highlighted entry */
|
|
||||||
BlDisplayErrorDialog(L"XTLDR", L"Editing boot menu entries is not implemented yet!");
|
|
||||||
|
|
||||||
/* Break from boot menu event loop to redraw whole boot menu */
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
else if(Key.UnicodeChar == 0x73)
|
|
||||||
{
|
|
||||||
/* 's' key pressed, exit into XTLDR shell */
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* Timer tick, check if time out expired */
|
|
||||||
if(TimeOut > 0)
|
|
||||||
{
|
|
||||||
/* Update a message and decrease timeout value */
|
|
||||||
BlSetConsoleAttributes(Handle.DialogColor | Handle.TextColor);
|
|
||||||
BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
|
|
||||||
BlSetCursorPosition(4, Handle.PosY + Handle.Height + 4);
|
|
||||||
BlConsolePrint(L"The highlighted position will be booted automatically in %ld seconds.", TimeOut);
|
|
||||||
TimeOut--;
|
|
||||||
}
|
|
||||||
else if(TimeOut == 0)
|
|
||||||
{
|
|
||||||
/* Time out expired, update a message */
|
|
||||||
BlSetConsoleAttributes(Handle.DialogColor | Handle.TextColor);
|
|
||||||
BlClearConsoleLine(Handle.PosY + Handle.Height + 4);
|
|
||||||
BlSetCursorPosition(4, Handle.PosY + Handle.Height + 4);
|
|
||||||
BlConsolePrint(L"Booting '%S' now...\n", MenuEntries[HighligtedEntryId].EntryName);
|
|
||||||
|
|
||||||
/* Disable the timer just in case booting OS fails */
|
|
||||||
TimeOut = -1;
|
|
||||||
|
|
||||||
/* Boot the highlighted (default) OS */
|
|
||||||
Status = BlInvokeBootProtocol(MenuEntries[HighligtedEntryId].Options);
|
|
||||||
if(Status != STATUS_SUCCESS)
|
|
||||||
{
|
|
||||||
/* Failed to boot OS */
|
|
||||||
BlDebugPrint(L"ERROR: Failed to boot OS '%S' (Status Code: 0x%lx)\n",
|
|
||||||
MenuEntries[HighligtedEntryId].EntryName, Status);
|
|
||||||
BlDisplayErrorDialog(L"XTLDR", L"Failed to startup the selected Operating System.");
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user