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/*
* Implementation of GPTData class derivative with curses-based text-mode
* interaction
* Copyright (C) 2011-2022 Roderick W. Smith
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <clocale>
#include <iostream>
#include <string>
#include <sstream>
#if defined (__APPLE__) || (__FreeBSD__)
#include <ncurses.h>
#else
#include <ncursesw/ncurses.h>
#endif
#include "gptcurses.h"
#include "support.h"
using namespace std;
// # of lines to reserve for general information and headers (RESERVED_TOP)
// and for options and messages (RESERVED_BOTTOM)
#define RESERVED_TOP 7
#define RESERVED_BOTTOM 5
int GPTDataCurses::numInstances = 0;
GPTDataCurses::GPTDataCurses(void) {
if (numInstances > 0) {
refresh();
} else {
setlocale( LC_ALL , "" );
initscr();
cbreak();
noecho();
intrflush(stdscr, false);
keypad(stdscr, true);
nonl();
numInstances++;
} // if/else
firstSpace = NULL;
lastSpace = NULL;
currentSpace = NULL;
currentSpaceNum = -1;
whichOptions = ""; // current set of options
currentKey = 'b'; // currently selected option
displayType = USE_CURSES;
} // GPTDataCurses constructor
GPTDataCurses::~GPTDataCurses(void) {
numInstances--;
if ((numInstances == 0) && !isendwin())
endwin();
} // GPTDataCurses destructor
/************************************************
* *
* Functions relating to Spaces data structures *
* *
************************************************/
void GPTDataCurses::EmptySpaces(void) {
Space *trash;
while (firstSpace != NULL) {
trash = firstSpace;
firstSpace = firstSpace->nextSpace;
delete trash;
} // if
numSpaces = 0;
lastSpace = NULL;
} // GPTDataCurses::EmptySpaces()
// Create Spaces from partitions. Does NOT creates Spaces to represent
// unpartitioned space on the disk.
// Returns the number of Spaces created.
int GPTDataCurses::MakeSpacesFromParts(void) {
uint32_t i;
Space *tempSpace;
EmptySpaces();
for (i = 0; i < numParts; i++) {
if (partitions[i].IsUsed()) {
tempSpace = new Space;
tempSpace->firstLBA = partitions[i].GetFirstLBA();
tempSpace->lastLBA = partitions[i].GetLastLBA();
tempSpace->origPart = &partitions[i];
tempSpace->partNum = (int) i;
LinkToEnd(tempSpace);
} // if
} // for
return numSpaces;
} // GPTDataCurses::MakeSpacesFromParts()
// Add a single empty Space to the current Spaces linked list and sort the result....
void GPTDataCurses::AddEmptySpace(uint64_t firstLBA, uint64_t lastLBA) {
Space *tempSpace;
tempSpace = new Space;
tempSpace->firstLBA = firstLBA;
tempSpace->lastLBA = lastLBA;
tempSpace->origPart = &emptySpace;
tempSpace->partNum = -1;
LinkToEnd(tempSpace);
SortSpaces();
} // GPTDataCurses::AddEmptySpace();
// Add Spaces to represent the unallocated parts of the partition table.
// Returns the number of Spaces added.
int GPTDataCurses::AddEmptySpaces(void) {
int numAdded = 0;
Space *current;
SortSpaces();
if (firstSpace == NULL) {
AddEmptySpace(GetFirstUsableLBA(), GetLastUsableLBA());
numAdded++;
} else {
current = firstSpace;
while ((current != NULL) /* && (current->partNum != -1) */ ) {
if ((current == firstSpace) && (current->firstLBA > GetFirstUsableLBA())) {
AddEmptySpace(GetFirstUsableLBA(), current->firstLBA - 1);
numAdded++;
} // if
if ((current == lastSpace) && (current->lastLBA < GetLastUsableLBA())) {
AddEmptySpace(current->lastLBA + 1, GetLastUsableLBA());
numAdded++;
} // if
if ((current->prevSpace != NULL) && (current->prevSpace->lastLBA < (current->firstLBA - 1))) {
AddEmptySpace(current->prevSpace->lastLBA + 1, current->firstLBA - 1);
numAdded++;
} // if
current = current->nextSpace;
} // while
} // if/else
return numAdded;
} // GPTDataCurses::AddEmptySpaces()
// Remove the specified Space from the linked list and set its previous and
// next pointers to NULL.
void GPTDataCurses::UnlinkSpace(Space *theSpace) {
if (theSpace != NULL) {
if (theSpace->prevSpace != NULL)
theSpace->prevSpace->nextSpace = theSpace->nextSpace;
if (theSpace->nextSpace != NULL)
theSpace->nextSpace->prevSpace = theSpace->prevSpace;
if (theSpace == firstSpace)
firstSpace = theSpace->nextSpace;
if (theSpace == lastSpace)
lastSpace = theSpace->prevSpace;
theSpace->nextSpace = NULL;
theSpace->prevSpace = NULL;
numSpaces--;
} // if
} // GPTDataCurses::UnlinkSpace
// Link theSpace to the end of the current linked list.
void GPTDataCurses::LinkToEnd(Space *theSpace) {
if (lastSpace == NULL) {
firstSpace = lastSpace = theSpace;
theSpace->nextSpace = NULL;
theSpace->prevSpace = NULL;
} else {
theSpace->prevSpace = lastSpace;
theSpace->nextSpace = NULL;
lastSpace->nextSpace = theSpace;
lastSpace = theSpace;
} // if/else
numSpaces++;
} // GPTDataCurses::LinkToEnd()
// Sort spaces into ascending order by on-disk position.
void GPTDataCurses::SortSpaces(void) {
Space *oldFirst, *oldLast, *earliest = NULL, *current = NULL;
oldFirst = firstSpace;
oldLast = lastSpace;
firstSpace = lastSpace = NULL;
while (oldFirst != NULL) {
current = earliest = oldFirst;
while (current != NULL) {
if (current->firstLBA < earliest->firstLBA)
earliest = current;
current = current->nextSpace;
} // while
if (oldFirst == earliest)
oldFirst = earliest->nextSpace;
if (oldLast == earliest)
oldLast = earliest->prevSpace;
UnlinkSpace(earliest);
LinkToEnd(earliest);
} // while
} // GPTDataCurses::SortSpaces()
// Identify the spaces on the disk, a "space" being defined as a partition
// or an empty gap between, before, or after partitions. The spaces are
// presented to users in the main menu display.
void GPTDataCurses::IdentifySpaces(void) {
MakeSpacesFromParts();
AddEmptySpaces();
} // GPTDataCurses::IdentifySpaces()
/**************************
* *
* Data display functions *
* *
**************************/
// Display a single Space on line # lineNum.
// Returns a pointer to the space being displayed
Space* GPTDataCurses::ShowSpace(int spaceNum, int lineNum) {
Space *space;
int i = 0;
#ifdef USE_UTF16
char temp[40];
#endif
space = firstSpace;
while ((space != NULL) && (i < spaceNum)) {
space = space->nextSpace;
i++;
} // while
if ((space != NULL) && (lineNum < (LINES - 5))) {
ClearLine(lineNum);
if (space->partNum == -1) { // space is empty
move(lineNum, 12);
printw("%s", BytesToIeee((space->lastLBA - space->firstLBA + 1), blockSize).c_str());
move(lineNum, 24);
printw("free space");
} else { // space holds a partition
move(lineNum, 3);
printw("%d", space->partNum + 1);
move(lineNum, 12);
printw("%s", BytesToIeee((space->lastLBA - space->firstLBA + 1), blockSize).c_str());
move(lineNum, 24);
printw("%s", space->origPart->GetTypeName().c_str());
move(lineNum, 50);
#ifdef USE_UTF16
space->origPart->GetDescription().extract(0, 39, temp, 39);
printw(temp);
#else
printw("%s", space->origPart->GetDescription().c_str());
#endif
} // if/else
} // if
return space;
} // GPTDataCurses::ShowSpace
// Display the partitions, being sure that the space #selected is displayed
// and highlighting that space.
// Returns the number of the space being shown (should be selected, but will
// be -1 if something weird happens)
int GPTDataCurses::DisplayParts(int selected) {
int lineNum = 5, i = 0, retval = -1, numToShow, pageNum;
string theLine;
move(lineNum++, 0);
theLine = "Part. # Size Partition Type Partition Name";
printw("%s", theLine.c_str());
move(lineNum++, 0);
theLine = "----------------------------------------------------------------";
printw("%s", theLine.c_str());
numToShow = LINES - RESERVED_TOP - RESERVED_BOTTOM;
pageNum = selected / numToShow;
for (i = pageNum * numToShow; i <= (pageNum + 1) * numToShow - 1; i++) {
if (i < numSpaces) { // real space; show it
if (i == selected) {
currentSpaceNum = i;
if (displayType == USE_CURSES) {
attron(A_REVERSE);
currentSpace = ShowSpace(i, lineNum++);
attroff(A_REVERSE);
} else {
currentSpace = ShowSpace(i, lineNum);
move(lineNum++, 0);
printw(">");
}
DisplayOptions(i);
retval = selected;
} else {
ShowSpace(i, lineNum++);
}
} else { // blank in display
ClearLine(lineNum++);
} // if/else
} // for
refresh();
return retval;
} // GPTDataCurses::DisplayParts()
/**********************************************
* *
* Functions corresponding to main menu items *
* *
**********************************************/
// Delete the specified partition and re-detect partitions and spaces....
void GPTDataCurses::DeletePartition(int partNum) {
if (!GPTData::DeletePartition(partNum))
Report("Could not delete partition!");
IdentifySpaces();
if (currentSpaceNum >= numSpaces) {
currentSpaceNum = numSpaces - 1;
currentSpace = lastSpace;
} // if
} // GPTDataCurses::DeletePartition()
// Displays information on the specified partition
void GPTDataCurses::ShowInfo(int partNum) {
uint64_t size;
#ifdef USE_UTF16
char temp[NAME_SIZE + 1];
#endif
clear();
move(2, (COLS - 29) / 2);
printw("Information for partition #%d\n\n", partNum + 1);
printw("Partition GUID code: %s (%s)\n", partitions[partNum].GetType().AsString().c_str(),
partitions[partNum].GetTypeName().c_str());
printw("Partition unique GUID: %s\n", partitions[partNum].GetUniqueGUID().AsString().c_str());
printw("First sector: %llu (at %s)\n", (long long unsigned int) partitions[partNum].GetFirstLBA(),
BytesToIeee(partitions[partNum].GetFirstLBA(), blockSize).c_str());
printw("Last sector: %llu (at %s)\n", (long long unsigned int) partitions[partNum].GetLastLBA(),
BytesToIeee(partitions[partNum].GetLastLBA(), blockSize).c_str());
size = partitions[partNum].GetLastLBA() - partitions[partNum].GetFirstLBA() + 1;
printw("Partition size: %llu sectors (%s)\n", (long long unsigned int) size, BytesToIeee(size, blockSize).c_str());
printw("Attribute flags: %016llx\n", (long long unsigned int) partitions[partNum].GetAttributes().GetAttributes());
#ifdef USE_UTF16
partitions[partNum].GetDescription().extract(0, NAME_SIZE , temp, NAME_SIZE );
printw("Partition name: '%s'\n", temp);
#else
printw("Partition name: '%s'\n", partitions[partNum].GetDescription().c_str());
#endif
PromptToContinue();
} // GPTDataCurses::ShowInfo()
// Prompt for and change a partition's name....
void GPTDataCurses::ChangeName(int partNum) {
char temp[NAME_SIZE + 1];
if (ValidPartNum(partNum)) {
move(LINES - 4, 0);
clrtobot();
move(LINES - 4, 0);
#ifdef USE_UTF16
partitions[partNum].GetDescription().extract(0, NAME_SIZE , temp, NAME_SIZE );
printw("Current partition name is '%s'\n", temp);
#else
printw("Current partition name is '%s'\n", partitions[partNum].GetDescription().c_str());
#endif
printw("Enter new partition name, or <Enter> to use the current name:\n");
echo();
getnstr(temp, NAME_SIZE );
partitions[partNum].SetName((string) temp);
noecho();
} // if
} // GPTDataCurses::ChangeName()
// Change the partition's type code....
void GPTDataCurses::ChangeType(int partNum) {
char temp[80] = "L\0";
PartType tempType;
echo();
do {
move(LINES - 4, 0);
clrtobot();
move(LINES - 4, 0);
printw("Current type is %04x (%s)\n", partitions[partNum].GetType().GetHexType(), partitions[partNum].GetTypeName().c_str());
printw("Hex code or GUID (L to show codes, Enter = %04x): ", partitions[partNum].GetType().GetHexType());
getnstr(temp, 79);
if ((temp[0] == 'L') || (temp[0] == 'l')) {
ShowTypes();
} else {
if (temp[0] == '\0')
tempType = partitions[partNum].GetType().GetHexType();
tempType = temp;
partitions[partNum].SetType(tempType);
} // if
} while ((temp[0] == 'L') || (temp[0] == 'l') || (partitions[partNum].GetType() == (GUIDData) "0x0000"));
noecho();
} // GPTDataCurses::ChangeType
// Sets the partition alignment value
void GPTDataCurses::SetAlignment(void) {
int alignment;
char conversion_specifier[] = "%d";
move(LINES - 4, 0);
clrtobot();
printw("Current partition alignment, in sectors, is %d.", GetAlignment());
do {
move(LINES - 3, 0);
printw("Type new alignment value, in sectors: ");
echo();
scanw(conversion_specifier, &alignment);
noecho();
} while ((alignment == 0) || (alignment > MAX_ALIGNMENT));
GPTData::SetAlignment(alignment);
} // GPTDataCurses::SetAlignment()
// Verify the data structures. Note that this function leaves curses mode and
// relies on the underlying GPTData::Verify() function to report on problems
void GPTDataCurses::Verify(void) {
char junk;
def_prog_mode();
endwin();
GPTData::Verify();
cout << "\nPress the <Enter> key to continue: ";
cin.get(junk);
reset_prog_mode();
refresh();
} // GPTDataCurses::Verify()
// Create a new partition in the space pointed to by currentSpace.
void GPTDataCurses::MakeNewPart(void) {
uint64_t size, newFirstLBA = 0, newLastLBA = 0, lastAligned;
int partNum;
char inLine[80];
move(LINES - 4, 0);
clrtobot();
lastAligned = currentSpace->lastLBA + 1;
Align(&lastAligned);
lastAligned--;
// Discard end-alignment attempt if it's giving us an invalid end point....
if (!IsFree(lastAligned))
lastAligned = currentSpace->lastLBA;
while ((newFirstLBA < currentSpace->firstLBA) || (newFirstLBA > currentSpace->lastLBA)) {
move(LINES - 4, 0);
clrtoeol();
newFirstLBA = currentSpace->firstLBA;
Align(&newFirstLBA);
printw("First sector (%llu-%llu, default = %llu): ", (long long unsigned int) newFirstLBA,
(long long unsigned int) currentSpace->lastLBA, (long long unsigned int) newFirstLBA);
echo();
getnstr(inLine, 79);
noecho();
newFirstLBA = IeeeToInt(inLine, blockSize, currentSpace->firstLBA, currentSpace->lastLBA, sectorAlignment, newFirstLBA);
Align(&newFirstLBA);
} // while
if (newFirstLBA > lastAligned)
size = currentSpace->lastLBA - newFirstLBA + 1;
else
size = lastAligned - newFirstLBA + 1;
while ((newLastLBA > currentSpace->lastLBA) || (newLastLBA < newFirstLBA)) {
move(LINES - 3, 0);
clrtoeol();
printw("Size in sectors or {KMGTP} (default = %llu): ", (long long unsigned int) size);
echo();
getnstr(inLine, 79);
noecho();
newLastLBA = newFirstLBA + IeeeToInt(inLine, blockSize, 1, size, sectorAlignment, size) - 1;
} // while
partNum = FindFirstFreePart();
if (CreatePartition(partNum, newFirstLBA, newLastLBA)) { // created OK; set type code & name....
ChangeType(partNum);
ChangeName(partNum);
} else {
Report("Error creating partition!");
} // if/else
} // GPTDataCurses::MakeNewPart()
// Prompt user for permission to save data and, if it's given, do so!
void GPTDataCurses::SaveData(void) {
string answer = "";
char inLine[80];
move(LINES - 4, 0);
clrtobot();
move (LINES - 2, 14);
printw("Warning!! This may destroy data on your disk!");
echo();
while ((answer != "yes") && (answer != "no")) {
move (LINES - 4, 2);
printw("Are you sure you want to write the partition table to disk? (yes or no): ");
getnstr(inLine, 79);
answer = inLine;
if ((answer != "yes") && (answer != "no")) {
move(LINES - 2, 0);
clrtoeol();
move(LINES - 2, 14);
printw("Please enter 'yes' or 'no'");
} // if
} // while()
noecho();
if (answer == "yes") {
if (SaveGPTData(1)) {
if (!myDisk.DiskSync())
Report("The kernel may be using the old partition table. Reboot to use the new\npartition table!");
} else {
Report("Problem saving data! Your partition table may be damaged!");
}
}
} // GPTDataCurses::SaveData()
// Back up the partition table, prompting user for a filename....
void GPTDataCurses::Backup(void) {
char inLine[80];
ClearBottom();
move(LINES - 3, 0);
printw("Enter backup filename to save: ");
echo();
getnstr(inLine, 79);
noecho();
SaveGPTBackup(inLine);
} // GPTDataCurses::Backup()
// Load a GPT backup from a file
void GPTDataCurses::LoadBackup(void) {
char inLine[80];
ClearBottom();
move(LINES - 3, 0);
printw("Enter backup filename to load: ");
echo();
getnstr(inLine, 79);
noecho();
if (!LoadGPTBackup(inLine))
Report("Restoration failed!");
IdentifySpaces();
} // GPTDataCurses::LoadBackup()
// Display some basic help information
void GPTDataCurses::ShowHelp(void) {
int i = 0;
clear();
move(0, (COLS - 22) / 2);
printw("Help screen for cgdisk");
move(2, 0);
printw("This is cgdisk, a curses-based disk partitioning program. You can use it\n");
printw("to create, delete, and modify partitions on your hard disk.\n\n");
attron(A_BOLD);
printw("Use cgdisk only on GUID Partition Table (GPT) disks!\n");
attroff(A_BOLD);
printw("Use cfdisk on Master Boot Record (MBR) disks.\n\n");
printw("Command Meaning\n");
printw("------- -------\n");
while (menuMain[i].key != 0) {
printw(" %c %s\n", menuMain[i].key, menuMain[i].desc.c_str());
i++;
} // while()
PromptToContinue();
} // GPTDataCurses::ShowHelp()
/************************************
* *
* User input and menuing functions *
* *
************************************/
// Change the currently-selected space....
void GPTDataCurses::ChangeSpaceSelection(int delta) {
if (currentSpace != NULL) {
while ((delta > 0) && (currentSpace->nextSpace != NULL)) {
currentSpace = currentSpace->nextSpace;
delta--;
currentSpaceNum++;
} // while
while ((delta < 0) && (currentSpace->prevSpace != NULL)) {
currentSpace = currentSpace->prevSpace;
delta++;
currentSpaceNum--;
} // while
} // if
// Below will hopefully never be true; bad counting error (bug), so reset to
// the first Space as a failsafe....
if (DisplayParts(currentSpaceNum) != currentSpaceNum) {
currentSpaceNum = 0;
currentSpace = firstSpace;
DisplayParts(currentSpaceNum);
} // if
} // GPTDataCurses
// Move option selection left or right....
void GPTDataCurses::MoveSelection(int delta) {
int newKeyNum;
// Begin with a sanity check to ensure a valid key is selected....
if (whichOptions.find(currentKey) == string::npos)
currentKey = 'n';
newKeyNum = whichOptions.find(currentKey);
newKeyNum += delta;
if (newKeyNum < 0)
newKeyNum = whichOptions.length() - 1;
newKeyNum %= whichOptions.length();
currentKey = whichOptions[newKeyNum];
DisplayOptions(currentKey);
} // GPTDataCurses::MoveSelection()
// Show user's options. Refers to currentSpace to determine which options to show.
// Highlights the option with the key selectedKey; or a default if that's invalid.
void GPTDataCurses::DisplayOptions(char selectedKey) {
uint64_t i, j = 0, firstLine, numPerLine;
string optionName, optionDesc = "";
if (currentSpace != NULL) {
if (currentSpace->partNum == -1) { // empty space is selected
whichOptions = EMPTY_SPACE_OPTIONS;
if (whichOptions.find(selectedKey) == string::npos)
selectedKey = 'n';
} else { // a partition is selected
whichOptions = PARTITION_OPTIONS;
if (whichOptions.find(selectedKey) == string::npos)
selectedKey = 't';
} // if/else
firstLine = LINES - 4;
numPerLine = (COLS - 8) / 12;
ClearBottom();
move(firstLine, 0);
for (i = 0; i < whichOptions.length(); i++) {
optionName = "";
for (j = 0; menuMain[j].key; j++) {
if (menuMain[j].key == whichOptions[i]) {
optionName = menuMain[j].name;
if (whichOptions[i] == selectedKey)
optionDesc = menuMain[j].desc;
} // if
} // for
move(firstLine + i / numPerLine, (i % numPerLine) * 12 + 4);
if (whichOptions[i] == selectedKey) {
attron(A_REVERSE);
printw("[ %s ]", optionName.c_str());
attroff(A_REVERSE);
} else {
printw("[ %s ]", optionName.c_str());
} // if/else
} // for
move(LINES - 1, (COLS - optionDesc.length()) / 2);
printw("%s", optionDesc.c_str());
currentKey = selectedKey;
} // if
} // GPTDataCurses::DisplayOptions()
// Accept user input and process it. Returns when the program should terminate.
void GPTDataCurses::AcceptInput() {
int inputKey, exitNow = 0;
do {
refresh();
inputKey = getch();
switch (inputKey) {
case KEY_UP:
ChangeSpaceSelection(-1);
break;
case KEY_DOWN:
ChangeSpaceSelection(+1);
break;
case 339: // page up key
ChangeSpaceSelection(RESERVED_TOP + RESERVED_BOTTOM - LINES);
break;
case 338: // page down key
ChangeSpaceSelection(LINES - RESERVED_TOP - RESERVED_BOTTOM);
break;
case KEY_LEFT:
MoveSelection(-1);
break;
case KEY_RIGHT:
MoveSelection(+1);
break;
case KEY_ENTER: case 13:
exitNow = Dispatch(currentKey);
break;
case 27: // escape key
exitNow = 1;
break;
default:
exitNow = Dispatch(inputKey);
break;
} // switch()
} while (!exitNow);
} // GPTDataCurses::AcceptInput()
// Operation has been selected, so do it. Returns 1 if the program should
// terminate on return from this program, 0 otherwise.
int GPTDataCurses::Dispatch(char operation) {
int exitNow = 0;
switch (operation) {
case 'a': case 'A':
SetAlignment();
break;
case 'b': case 'B':
Backup();
break;
case 'd': case 'D':
if (ValidPartNum(currentSpace->partNum))
DeletePartition(currentSpace->partNum);
break;
case 'h': case 'H':
ShowHelp();
break;
case 'i': case 'I':
if (ValidPartNum(currentSpace->partNum))
ShowInfo(currentSpace->partNum);
break;
case 'l': case 'L':
LoadBackup();
break;
case 'm': case 'M':
if (ValidPartNum(currentSpace->partNum))
ChangeName(currentSpace->partNum);
break;
case 'n': case 'N':
if (currentSpace->partNum < 0) {
MakeNewPart();
IdentifySpaces();
} // if
break;
case 'q': case 'Q':
exitNow = 1;
break;
case 't': case 'T':
if (ValidPartNum(currentSpace->partNum))
ChangeType(currentSpace->partNum);
break;
case 'v': case 'V':
Verify();
break;
case 'w': case 'W':
SaveData();
break;
default:
break;
} // switch()
DrawMenu();
return exitNow;
} // GPTDataCurses::Dispatch()
// Draws the main menu
void GPTDataCurses::DrawMenu(void) {
string title="cgdisk ";
title += GPTFDISK_VERSION;
string drive="Disk Drive: ";
drive += device;
ostringstream size;
size << "Size: " << diskSize << ", " << BytesToIeee(diskSize, blockSize);
clear();
move(0, (COLS - title.length()) / 2);
printw("%s", title.c_str());
move(2, (COLS - drive.length()) / 2);
printw("%s", drive.c_str());
move(3, (COLS - size.str().length()) / 2);
printw("%s", size.str().c_str());
DisplayParts(currentSpaceNum);
} // DrawMenu
int GPTDataCurses::MainMenu(void) {
if (((LINES - RESERVED_TOP - RESERVED_BOTTOM) < 2) || (COLS < 80)) {
Report("Display is too small; it must be at least 80 x 14 characters!");
} else {
if (GPTData::Verify() > 0)
Report("Warning! Problems found on disk! Use the Verify function to learn more.\n"
"Using gdisk or some other program may be necessary to repair the problems.");
IdentifySpaces();
currentSpaceNum = 0;
DrawMenu();
AcceptInput();
} // if/else
endwin();
return 0;
} // GPTDataCurses::MainMenu
/***********************************************************
* *
* Non-class support functions (mostly related to ncurses) *
* *
***********************************************************/
// Clears the specified line of all data....
void ClearLine(int lineNum) {
move(lineNum, 0);
clrtoeol();
} // ClearLine()
// Clear the last few lines of the display
void ClearBottom(void) {
move(LINES - RESERVED_BOTTOM, 0);
clrtobot();
} // ClearBottom()
void PromptToContinue(void) {
ClearBottom();
move(LINES - 2, (COLS - 29) / 2);
printw("Press any key to continue....");
cbreak();
getch();
} // PromptToContinue()
// Display one line of text on the screen and prompt to press any key to continue.
void Report(string theText) {
clear();
move(0, 0);
printw("%s", theText.c_str());
move(LINES - 2, (COLS - 29) / 2);
printw("Press any key to continue....");
cbreak();
getch();
} // Report()
// Displays all the partition type codes and then prompts to continue....
// NOTE: This function temporarily exits curses mode as a matter of
// convenience.
void ShowTypes(void) {
PartType tempType;
char junk;
def_prog_mode();
endwin();
tempType.ShowAllTypes(LINES - 3);
cout << "\nPress the <Enter> key to continue: ";
cin.get(junk);
reset_prog_mode();
refresh();
} // ShowTypes()