/*
- * FreeLoader
- * Copyright (C) 1998-2003 Brian Palmer <brianp@sginet.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: FreeLoader
+ * FILE: freeldr/ui/tuimenu.c
+ * PURPOSE: UI Menu Functions
+ * PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
+ * Brian Palmer (brianp@sginet.com)
*/
-
-#include <freeldr.h>
-#include <rtl.h>
-#include <ui.h>
-#include "tui.h"
-#include "keycodes.h"
-#include <options.h>
-#include <mm.h>
-#include <machine.h>
-#include <video.h>
+/* INCLUDES ******************************************************************/
+
+#include <freeldr.h>
-BOOL TuiDisplayMenu(PUCHAR MenuItemList[], U32 MenuItemCount, U32 DefaultMenuItem, S32 MenuTimeOut, U32* SelectedMenuItem, BOOL CanEscape, UiMenuKeyPressFilterCallback KeyPressFilter)
+/* FUNCTIONS *****************************************************************/
+
+BOOL
+WINAPI
+TuiDisplayMenu(PCSTR MenuItemList[],
+ ULONG MenuItemCount,
+ ULONG DefaultMenuItem,
+ LONG MenuTimeOut,
+ ULONG* SelectedMenuItem,
+ BOOL CanEscape,
+ UiMenuKeyPressFilterCallback KeyPressFilter)
{
- TUI_MENU_INFO MenuInformation;
- U32 LastClockSecond;
- U32 CurrentClockSecond;
- U32 KeyPress;
-
- //
- // The first thing we need to check is the timeout
- // If it's zero then don't bother with anything,
- // just return the default item
- //
- if (MenuTimeOut == 0)
- {
- if (SelectedMenuItem != NULL)
- {
- *SelectedMenuItem = DefaultMenuItem;
- }
-
- return TRUE;
- }
-
- //
- // Setup the MENU_INFO structure
- //
- MenuInformation.MenuItemList = MenuItemList;
- MenuInformation.MenuItemCount = MenuItemCount;
- MenuInformation.MenuTimeRemaining = MenuTimeOut;
- MenuInformation.SelectedMenuItem = DefaultMenuItem;
-
- //
- // Calculate the size of the menu box
- //
- TuiCalcMenuBoxSize(&MenuInformation);
-
- //
- // Draw the menu
- //
- TuiDrawMenu(&MenuInformation);
-
- //
- // Get the current second of time
- //
- MachRTCGetCurrentDateTime(NULL, NULL, NULL, NULL, NULL, &LastClockSecond);
-
- //
- // Process keys
- //
- while (1)
- {
- //
- // Process key presses
- //
- KeyPress = TuiProcessMenuKeyboardEvent(&MenuInformation, KeyPressFilter);
- if (KeyPress == KEY_ENTER)
- {
- //
- // If they pressed enter then exit this loop
- //
- break;
- }
- else if (CanEscape && KeyPress == KEY_ESC)
- {
- //
- // They pressed escape, so just return FALSE
- //
- return FALSE;
- }
-
- //
- // Update the date & time
- //
- TuiUpdateDateTime();
-
- VideoCopyOffScreenBufferToVRAM();
-
- if (MenuInformation.MenuTimeRemaining > 0)
- {
- MachRTCGetCurrentDateTime(NULL, NULL, NULL, NULL, NULL, &CurrentClockSecond);
- if (CurrentClockSecond != LastClockSecond)
- {
- //
- // Update the time information
- //
- LastClockSecond = CurrentClockSecond;
- MenuInformation.MenuTimeRemaining--;
-
- //
- // Update the menu
- //
- TuiDrawMenuBox(&MenuInformation);
-
- VideoCopyOffScreenBufferToVRAM();
- }
- }
- else if (MenuInformation.MenuTimeRemaining == 0)
- {
- //
- // A time out occurred, exit this loop and return default OS
- //
- break;
- }
- }
-
- //
- // Update the selected menu item information
- //
- if (SelectedMenuItem != NULL)
- {
- *SelectedMenuItem = MenuInformation.SelectedMenuItem;
- }
-
- return TRUE;
+ TUI_MENU_INFO MenuInformation;
+ ULONG LastClockSecond;
+ ULONG CurrentClockSecond;
+ ULONG KeyPress;
+
+ //
+ // Check if there's no timeout
+ if (!MenuTimeOut)
+ {
+ //
+ // Return the default selected item
+ //
+ if (SelectedMenuItem) *SelectedMenuItem = DefaultMenuItem;
+ return TRUE;
+ }
+
+ //
+ // Setup the MENU_INFO structure
+ //
+ MenuInformation.MenuItemList = MenuItemList;
+ MenuInformation.MenuItemCount = MenuItemCount;
+ MenuInformation.MenuTimeRemaining = MenuTimeOut;
+ MenuInformation.SelectedMenuItem = DefaultMenuItem;
+
+ //
+ // Calculate the size of the menu box
+ //
+ TuiCalcMenuBoxSize(&MenuInformation);
+
+ //
+ // Draw the menu
+ //
+ TuiDrawMenu(&MenuInformation);
+
+ //
+ // Get the current second of time
+ //
+ MachRTCGetCurrentDateTime(NULL, NULL, NULL, NULL, NULL, &LastClockSecond);
+
+ //
+ // Process keys
+ //
+ while (TRUE)
+ {
+ //
+ // Process key presses
+ //
+ KeyPress = TuiProcessMenuKeyboardEvent(&MenuInformation,
+ KeyPressFilter);
+
+ //
+ // Check for ENTER or ESC
+ //
+ if (KeyPress == KEY_ENTER) break;
+ if (CanEscape && KeyPress == KEY_ESC) return FALSE;
+
+ //
+ // Update the date & time
+ //
+ TuiUpdateDateTime();
+ VideoCopyOffScreenBufferToVRAM();
+
+ //
+ // Check if there is a countdown
+ //
+ if (MenuInformation.MenuTimeRemaining)
+ {
+ //
+ // Get the updated time, seconds only
+ //
+ MachRTCGetCurrentDateTime(NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ &CurrentClockSecond);
+
+ //
+ // Check if more then a second has now elapsed
+ //
+ if (CurrentClockSecond != LastClockSecond)
+ {
+ //
+ // Update the time information
+ //
+ LastClockSecond = CurrentClockSecond;
+ MenuInformation.MenuTimeRemaining--;
+
+ //
+ // Update the menu
+ //
+ TuiDrawMenuBox(&MenuInformation);
+ VideoCopyOffScreenBufferToVRAM();
+ }
+ }
+ else
+ {
+ //
+ // A time out occurred, exit this loop and return default OS
+ //
+ break;
+ }
+ }
+
+ //
+ // Return the selected item
+ //
+ if (SelectedMenuItem) *SelectedMenuItem = MenuInformation.SelectedMenuItem;
+ return TRUE;
}
-VOID TuiCalcMenuBoxSize(PTUI_MENU_INFO MenuInfo)
+VOID
+WINAPI
+TuiCalcMenuBoxSize(PTUI_MENU_INFO MenuInfo)
{
- U32 Idx;
- U32 Width;
- U32 Height;
- U32 Length;
-
- //
- // Height is the menu item count plus 2 (top border & bottom border)
- //
- Height = MenuInfo->MenuItemCount + 2;
- Height -= 1; // Height is zero-based
-
- //
- // Find the length of the longest string in the menu
- //
- Width = 0;
- for(Idx=0; Idx<MenuInfo->MenuItemCount; Idx++)
- {
- Length = strlen(MenuInfo->MenuItemList[Idx]);
-
- if (Length > Width)
- {
- Width = Length;
- }
- }
-
- //
- // Allow room for left & right borders, plus 8 spaces on each side
- //
- Width += 18;
-
- //
- // Calculate the menu box area
- //
- MenuInfo->Left = (UiScreenWidth - Width) / 2;
- MenuInfo->Right = (MenuInfo->Left) + Width;
- MenuInfo->Top = (((UiScreenHeight - TUI_TITLE_BOX_CHAR_HEIGHT) - Height) / 2) + TUI_TITLE_BOX_CHAR_HEIGHT;
- MenuInfo->Bottom = (MenuInfo->Top) + Height;
+ ULONG i;
+ ULONG Width = 0;
+ ULONG Height;
+ ULONG Length;
+
+ //
+ // Height is the menu item count plus 2 (top border & bottom border)
+ //
+ Height = MenuInfo->MenuItemCount + 2;
+ Height -= 1; // Height is zero-based
+
+ //
+ // Loop every item
+ //
+ for(i = 0; i < MenuInfo->MenuItemCount; i++)
+ {
+ //
+ // Get the string length and make it become the new width if necessary
+ //
+ Length = strlen(MenuInfo->MenuItemList[i]);
+ if (Length > Width) Width = Length;
+ }
+
+ //
+ // Allow room for left & right borders, plus 8 spaces on each side
+ //
+ Width += 18;
+
+ //
+ // Check if we're drawing a centered menu
+ //
+ if (UiCenterMenu)
+ {
+ //
+ // Calculate the menu box area for a centered menu
+ //
+ MenuInfo->Left = (UiScreenWidth - Width) / 2;
+ MenuInfo->Top = (((UiScreenHeight - TUI_TITLE_BOX_CHAR_HEIGHT) -
+ Height) / 2) + TUI_TITLE_BOX_CHAR_HEIGHT;
+ }
+ else
+ {
+ //
+ // Put the menu in the default left-corner position
+ //
+ MenuInfo->Left = -1;
+ MenuInfo->Top = 4;
+ }
+
+ //
+ // The other margins are the same
+ //
+ MenuInfo->Right = (MenuInfo->Left) + Width;
+ MenuInfo->Bottom = (MenuInfo->Top) + Height;
}
-VOID TuiDrawMenu(PTUI_MENU_INFO MenuInfo)
+VOID
+WINAPI
+TuiDrawMenu(PTUI_MENU_INFO MenuInfo)
{
- U32 Idx;
-
- //
- // Draw the backdrop
- //
- UiDrawBackdrop();
-
- //
- // Update the status bar
- //
- UiDrawStatusText("Use \x18\x19 to select, then press ENTER.");
-
- //
- // Draw the menu box
- //
- TuiDrawMenuBox(MenuInfo);
-
- //
- // Draw each line of the menu
- //
- for (Idx=0; Idx<MenuInfo->MenuItemCount; Idx++)
- {
- TuiDrawMenuItem(MenuInfo, Idx);
- }
-
- VideoCopyOffScreenBufferToVRAM();
+ ULONG i;
+
+ //
+ // Draw the backdrop
+ //
+ UiDrawBackdrop();
+
+ //
+ // Check if this is the minimal (console) UI
+ //
+ if (UiMinimal)
+ {
+ //
+ // No GUI status bar text, just minimal text. first to tell the user to
+ // choose.
+ //
+ TuiDrawText(0,
+ MenuInfo->Top - 2,
+ "Please select the operating system to start:",
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+
+ //
+ // Now tell him how to choose
+ //
+ TuiDrawText(0,
+ MenuInfo->Bottom + 1,
+ "Use the up and down arrow keys to move the highlight to "
+ "your choice.",
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+ TuiDrawText(0,
+ MenuInfo->Bottom + 2,
+ "Press ENTER to choose.",
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+
+ //
+ // And offer F8 options
+ //
+ TuiDrawText(0,
+ UiScreenHeight - 4,
+ "For troubleshooting and advanced startup options for "
+ "ReactOS, press F8.",
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+ }
+ else
+ {
+ //
+ // Update the status bar
+ //
+ UiDrawStatusText("Use \x18\x19 to select, then press ENTER.");
+ }
+
+ //
+ // Draw the menu box
+ //
+ TuiDrawMenuBox(MenuInfo);
+
+ //
+ // Draw each line of the menu
+ //
+ for (i = 0; i < MenuInfo->MenuItemCount; i++) TuiDrawMenuItem(MenuInfo, i);
+ VideoCopyOffScreenBufferToVRAM();
}
-VOID TuiDrawMenuBox(PTUI_MENU_INFO MenuInfo)
+VOID
+WINAPI
+TuiDrawMenuBox(PTUI_MENU_INFO MenuInfo)
{
- UCHAR MenuLineText[80];
- UCHAR TempString[80];
- U32 Idx;
-
- //
- // Draw the menu box
- //
- UiDrawBox(MenuInfo->Left,
- MenuInfo->Top,
- MenuInfo->Right,
- MenuInfo->Bottom,
- D_VERT,
- D_HORZ,
- FALSE, // Filled
- TRUE, // Shadow
- ATTR(UiMenuFgColor, UiMenuBgColor));
-
- //
- // If there is a timeout draw the time remaining
- //
- if (MenuInfo->MenuTimeRemaining >= 0)
- {
- strcpy(MenuLineText, "[ Time Remaining: ");
- itoa(MenuInfo->MenuTimeRemaining, TempString, 10);
- strcat(MenuLineText, TempString);
- strcat(MenuLineText, " ]");
-
- UiDrawText(MenuInfo->Right - strlen(MenuLineText) - 1,
- MenuInfo->Bottom,
- MenuLineText,
- ATTR(UiMenuFgColor, UiMenuBgColor));
- }
-
- //
- // Now draw the separators
- //
- for (Idx=0; Idx<MenuInfo->MenuItemCount; Idx++)
- {
- if (stricmp(MenuInfo->MenuItemList[Idx], "SEPARATOR") == 0)
- {
- UiDrawText(MenuInfo->Left, MenuInfo->Top + Idx + 1, "\xC7", ATTR(UiMenuFgColor, UiMenuBgColor));
- UiDrawText(MenuInfo->Right, MenuInfo->Top + Idx + 1, "\xB6", ATTR(UiMenuFgColor, UiMenuBgColor));
- }
- }
+ CHAR MenuLineText[80];
+ CHAR TempString[80];
+ ULONG i;
+
+ //
+ // Draw the menu box if requested
+ //
+ if (UiMenuBox)
+ {
+ UiDrawBox(MenuInfo->Left,
+ MenuInfo->Top,
+ MenuInfo->Right,
+ MenuInfo->Bottom,
+ D_VERT,
+ D_HORZ,
+ FALSE, // Filled
+ TRUE, // Shadow
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+ }
+
+ //
+ // If there is a timeout draw the time remaining
+ //
+ if (MenuInfo->MenuTimeRemaining >= 0)
+ {
+ //
+ // Copy the integral time text string, and remove the last 2 chars
+ //
+ strcpy(TempString, UiTimeText);
+ i = strlen(TempString);
+ TempString[i - 2] = 0;
+
+ //
+ // Display the first part of the string and the remaining time
+ //
+ strcpy(MenuLineText, TempString);
+ _itoa(MenuInfo->MenuTimeRemaining, TempString, 10);
+ strcat(MenuLineText, TempString);
+
+ //
+ // Add the last 2 chars
+ //
+ strcat(MenuLineText, &UiTimeText[i - 2]);
+
+ //
+ // Check if this is a centered menu
+ //
+ if (UiCenterMenu)
+ {
+ //
+ // Display it in the center of the menu
+ //
+ UiDrawText(MenuInfo->Right - strlen(MenuLineText) - 1,
+ MenuInfo->Bottom,
+ MenuLineText,
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+ }
+ else
+ {
+ //
+ // Display under the menu directly
+ //
+ UiDrawText(0,
+ MenuInfo->Bottom + 3,
+ MenuLineText,
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+ }
+ }
+
+ //
+ // Loop each item
+ //
+ for (i = 0; i < MenuInfo->MenuItemCount; i++)
+ {
+ //
+ // Check if it's a separator
+ //
+ if (!(_stricmp(MenuInfo->MenuItemList[i], "SEPARATOR")))
+ {
+ //
+ // Draw the separator line
+ //
+ UiDrawText(MenuInfo->Left,
+ MenuInfo->Top + i + 1,
+ "\xC7",
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+ UiDrawText(MenuInfo->Right,
+ MenuInfo->Top + i + 1,
+ "\xB6",
+ ATTR(UiMenuFgColor, UiMenuBgColor));
+ }
+ }
}
-VOID TuiDrawMenuItem(PTUI_MENU_INFO MenuInfo, U32 MenuItemNumber)
+VOID
+WINAPI
+TuiDrawMenuItem(PTUI_MENU_INFO MenuInfo,
+ ULONG MenuItemNumber)
{
- U32 Idx;
- UCHAR MenuLineText[80];
- U32 SpaceTotal;
- U32 SpaceLeft;
- U32 SpaceRight;
- UCHAR Attribute;
-
- //
- // We will want the string centered so calculate
- // how many spaces will be to the left and right
- //
- SpaceTotal = (MenuInfo->Right - MenuInfo->Left - 2) - strlen(MenuInfo->MenuItemList[MenuItemNumber]);
- SpaceLeft = (SpaceTotal / 2) + 1;
- SpaceRight = (SpaceTotal - SpaceLeft) + 1;
-
- //
- // Insert the spaces on the left
- //
- for (Idx=0; Idx<SpaceLeft; Idx++)
- {
- MenuLineText[Idx] = ' ';
- }
- MenuLineText[Idx] = '\0';
-
- //
- // Now append the text string
- //
- strcat(MenuLineText, MenuInfo->MenuItemList[MenuItemNumber]);
-
- //
- // Now append the spaces on the right
- //
- for (Idx=0; Idx<SpaceRight; Idx++)
- {
- strcat(MenuLineText, " ");
- }
-
- //
- // If it is a separator then adjust the text accordingly
- //
- if (stricmp(MenuInfo->MenuItemList[MenuItemNumber], "SEPARATOR") == 0)
- {
- memset(MenuLineText, 0, 80);
- memset(MenuLineText, 0xC4, (MenuInfo->Right - MenuInfo->Left - 1));
- Attribute = ATTR(UiMenuFgColor, UiMenuBgColor);
- }
- else
- {
- Attribute = ATTR(UiTextColor, UiMenuBgColor);
- }
-
- //
- // If this is the selected menu item then draw it as selected
- // otherwise just draw it using the normal colors
- //
- if (MenuItemNumber == MenuInfo->SelectedMenuItem)
- {
- UiDrawText(MenuInfo->Left + 1,
- MenuInfo->Top + 1 + MenuItemNumber,
- MenuLineText,
- ATTR(UiSelectedTextColor, UiSelectedTextBgColor));
- }
- else
- {
- UiDrawText(MenuInfo->Left + 1,
- MenuInfo->Top + 1 + MenuItemNumber,
- MenuLineText,
- Attribute);
- }
+ ULONG i;
+ CHAR MenuLineText[80];
+ ULONG SpaceTotal;
+ ULONG SpaceLeft;
+ ULONG SpaceRight = 0;
+ UCHAR Attribute = ATTR(UiTextColor, UiMenuBgColor);
+
+ //
+ // Check if using centered menu
+ //
+ if (UiCenterMenu)
+ {
+ //
+ // We will want the string centered so calculate
+ // how many spaces will be to the left and right
+ //
+ SpaceTotal = (MenuInfo->Right - MenuInfo->Left - 2) -
+ strlen(MenuInfo->MenuItemList[MenuItemNumber]);
+ SpaceLeft = (SpaceTotal / 2) + 1;
+ SpaceRight = (SpaceTotal - SpaceLeft) + 1;
+
+ //
+ // Insert the spaces on the left
+ //
+ for (i = 0; i < SpaceLeft; i++) MenuLineText[i] = ' ';
+ MenuLineText[i] = '\0';
+ }
+ else
+ {
+ //
+ // Simply left-align it
+ //
+ MenuLineText[0] = '\0';
+ strcat(MenuLineText, " ");
+ }
+
+ //
+ // Now append the text string
+ //
+ strcat(MenuLineText, MenuInfo->MenuItemList[MenuItemNumber]);
+
+ //
+ // Check if using centered menu, and add spaces on the right if so
+ //
+ if (UiCenterMenu) for (i=0; i < SpaceRight; i++) strcat(MenuLineText, " ");
+
+ //
+ // If it is a separator
+ //
+ if (!(_stricmp(MenuInfo->MenuItemList[MenuItemNumber], "SEPARATOR")))
+ {
+ //
+ // Make it a separator line and use menu colors
+ //
+ memset(MenuLineText, 0, 80);
+ memset(MenuLineText, 0xC4, (MenuInfo->Right - MenuInfo->Left - 1));
+ Attribute = ATTR(UiMenuFgColor, UiMenuBgColor);
+ }
+ else if (MenuItemNumber == MenuInfo->SelectedMenuItem)
+ {
+ //
+ // If this is the selected item, use the selected colors
+ //
+ Attribute = ATTR(UiSelectedTextColor, UiSelectedTextBgColor);
+ }
+
+ //
+ // Draw the item
+ //
+ UiDrawText(MenuInfo->Left + 1,
+ MenuInfo->Top + 1 + MenuItemNumber,
+ MenuLineText,
+ Attribute);
}
-U32 TuiProcessMenuKeyboardEvent(PTUI_MENU_INFO MenuInfo, UiMenuKeyPressFilterCallback KeyPressFilter)
+ULONG
+WINAPI
+TuiProcessMenuKeyboardEvent(PTUI_MENU_INFO MenuInfo,
+ UiMenuKeyPressFilterCallback KeyPressFilter)
{
- U32 KeyEvent = 0;
-
- //
- // Check for a keypress
- //
- if (MachConsKbHit())
- {
- //
- // Cancel the timeout
- //
- if (MenuInfo->MenuTimeRemaining != -1)
- {
- MenuInfo->MenuTimeRemaining = -1;
- TuiDrawMenuBox(MenuInfo);
- }
-
- //
- // Get the key
- //
- KeyEvent = MachConsGetCh();
-
- //
- // Is it extended?
- //
- if (KeyEvent == 0)
- KeyEvent = MachConsGetCh(); // Yes - so get the extended key
-
- //
- // Call the supplied key filter callback function to see
- // if it is going to handle this keypress.
- //
- if (KeyPressFilter != NULL)
- {
- if (KeyPressFilter(KeyEvent))
- {
- // It processed the key character
- TuiDrawMenu(MenuInfo);
-
- return 0;
- }
- }
-
- //
- // Process the key
- //
- switch (KeyEvent)
- {
- case KEY_UP:
-
- if (MenuInfo->SelectedMenuItem > 0)
- {
- MenuInfo->SelectedMenuItem--;
-
- //
- // Update the menu
- //
- TuiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem + 1); // Deselect previous item
-
- // Skip past any separators
- if (MenuInfo->SelectedMenuItem > 0 && stricmp(MenuInfo->MenuItemList[MenuInfo->SelectedMenuItem], "SEPARATOR") == 0)
- {
- MenuInfo->SelectedMenuItem--;
- }
-
- TuiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem); // Select new item
- }
-
- break;
-
- case KEY_DOWN:
-
- if (MenuInfo->SelectedMenuItem < (MenuInfo->MenuItemCount - 1))
- {
- MenuInfo->SelectedMenuItem++;
-
- //
- // Update the menu
- //
- TuiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem - 1); // Deselect previous item
-
- // Skip past any separators
- if (MenuInfo->SelectedMenuItem < (MenuInfo->MenuItemCount - 1) && stricmp(MenuInfo->MenuItemList[MenuInfo->SelectedMenuItem], "SEPARATOR") == 0)
- {
- MenuInfo->SelectedMenuItem++;
- }
-
- TuiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem); // Select new item
- }
-
- break;
- }
-
- VideoCopyOffScreenBufferToVRAM();
- }
-
- return KeyEvent;
+ ULONG KeyEvent = 0;
+ ULONG Selected, Count;
+
+ //
+ // Check for a keypress
+ //
+ if (MachConsKbHit())
+ {
+ //
+ // Check if the timeout is not already complete
+ //
+ if (MenuInfo->MenuTimeRemaining != -1)
+ {
+ //
+ // Cancel it and remove it
+ //
+ MenuInfo->MenuTimeRemaining = -1;
+ TuiDrawMenuBox(MenuInfo); // FIXME: Remove for minimal UI too
+ }
+
+ //
+ // Get the key
+ //
+ KeyEvent = MachConsGetCh();
+
+ //
+ // Is it extended? Then get the extended key
+ //
+ if (!KeyEvent) KeyEvent = MachConsGetCh();
+
+ //
+ // Call the supplied key filter callback function to see
+ // if it is going to handle this keypress.
+ //
+ if ((KeyPressFilter) && (KeyPressFilter(KeyEvent)))
+ {
+ //
+ // It processed the key character, so redraw and exit
+ //
+ TuiDrawMenu(MenuInfo);
+ return 0;
+ }
+
+ //
+ // Process the key
+ //
+ if ((KeyEvent == KEY_UP) || (KeyEvent == KEY_DOWN))
+ {
+ //
+ // Get the current selected item and count
+ //
+ Selected = MenuInfo->SelectedMenuItem;
+ Count = MenuInfo->MenuItemCount - 1;
+
+ //
+ // Check if this was a key up and there's a selected menu item
+ //
+ if ((KeyEvent == KEY_UP) && (Selected))
+ {
+ //
+ // Update the menu (Deselect previous item)
+ //
+ MenuInfo->SelectedMenuItem--;
+ TuiDrawMenuItem(MenuInfo, Selected);
+ Selected--;
+
+ // Skip past any separators
+ if ((Selected) &&
+ !(_stricmp(MenuInfo->MenuItemList[Selected], "SEPARATOR")))
+ {
+ MenuInfo->SelectedMenuItem--;
+ }
+ }
+ else if ((KeyEvent == KEY_DOWN) && (Selected < Count))
+ {
+ //
+ // Update the menu (deselect previous item)
+ //
+ MenuInfo->SelectedMenuItem++;
+ TuiDrawMenuItem(MenuInfo, Selected);
+ Selected++;
+
+ // Skip past any separators
+ if ((Selected < Count) &&
+ !(_stricmp(MenuInfo->MenuItemList[Selected], "SEPARATOR")))
+ {
+ MenuInfo->SelectedMenuItem++;
+ }
+ }
+
+ //
+ // Select new item and update video buffer
+ //
+ TuiDrawMenuItem(MenuInfo, MenuInfo->SelectedMenuItem);
+ VideoCopyOffScreenBufferToVRAM();
+ }
+ }
+
+ //
+ // Return the pressed key
+ //
+ return KeyEvent;
}
projects / reactos.git / blobdiff