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ELEMENT3.C
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C/C++ Source or Header
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1991-02-16
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734 lines
//
// Periodic table of the elements, for Microsoft Windows 3.0.
// Originally written by Gregory A. Jones, uunet!microsoft!gregj.
// Extensively modified by Charles L. Perrin as a Windows learning project.
//
// This program may be freely distributed.
// Chemical data culled from reference works, including the
// CRC Handbook of Chemistry and Physics.
#include <windows.h>
#include "element3.h"
//
// Prototypes for functions.
//
long FAR PASCAL WndProc(HWND, unsigned, WORD, LONG);
BOOL FAR PASCAL BoxProcessor(HWND,unsigned,WORD,LONG);
void ElementDisplay(HDC);
//
// A few global variables.
//
char szAppName [] = "Element3";
char szMainMenu [] = "mainmenu";
char szAccTable [] = "mainaccel";
char szHint [] = "HINT: Point at an element with the mouse.";
char szElement [80];
FARPROC lpBoxHandler;
HANDLE ghInstance, hWhiteBrush, hAccTable, hClipboard;
LPSTR lpszClipboard;
WORD cxBox, cyBox;
int i, iElementOld;
BOOL fThawing, fFreezing, fFrozen;
RECT rect;
//
// Data stored for each element. Includes name, symbol, atomic weight,
// and location in table (where period one is row 0, family 1a is column 0).
// Atomic number is implicit, since the table is ordered by it.
//
typedef struct tagELEMENT {
char *pszName; // Name of the element, i.e. "Hydrogen"
char *pszSymbol; // Symbol, i.e. "He"
char *pszWeight; // Atomic weight, i.e. "(230)"
WORD wColumn; // Column number to draw in
WORD wRow; // Row number to draw in
} ELEMENT;
typedef ELEMENT *PELEMENT;
//
// Width and height of the table, and number of elements defined.
//
#define NUM_COLUMNS 18
#define NUM_ROWS 10
#define MAX_ELEMENTS 106
//
// Titles for the families, by column. Null strings are because "8"
// really covers three columns.
//
char *pszTitles [NUM_COLUMNS] = {
"1a", "2a", "3b", "4b", "5b", "6b", "7b", "", "8", "", "1b", "2b",
"3a", "4a", "5a", "6a", "7a", "0"
};
//
// The elements themselves. Add new ones on the end if you discover them.
// Also, don't forget to set MAX_ELEMENTS to the new value!
//
ELEMENT elTable [MAX_ELEMENTS] = {
"Hydrogen", "H", "1.0079", 0, 0,
"Helium", "He", "4.00260", 17, 0,
"Lithium", "Li", "6.94", 0, 1,
"Beryllium", "Be", "9.01218", 1, 1,
"Boron", "B", "10.81", 12, 1,
"Carbon", "C", "12.011", 13, 1,
"Nitrogen", "N", "14.0067", 14, 1,
"Oxygen", "O", "15.9994", 15, 1,
"Fluorine", "F", "18.998403", 16, 1,
"Neon", "Ne", "20.17", 17, 1,
"Sodium", "Na", "22.98977", 0, 2,
"Magnesium", "Mg", "24.305", 1, 2,
"Aluminum", "Al", "26.98154", 12, 2,
"Silicon", "Si", "28.0855", 13, 2,
"Phosphorous", "P", "30.97376", 14, 2,
"Sulfur", "S", "32.06", 15, 2,
"Chlorine", "Cl", "35.453", 16, 2,
"Argon", "Ar", "39.948", 17, 2,
"Potassium", "K", "39.0983", 0, 3,
"Calcium", "Ca", "40.08", 1, 3,
"Scandium", "Sc", "44.9559", 2, 3,
"Titanium", "Ti", "47.90", 3, 3,
"Vanadium", "V", "50.9415", 4, 3,
"Chromium", "Cr", "51.996", 5, 3,
"Manganese", "Mn", "54.9380", 6, 3,
"Iron", "Fe", "55.847", 7, 3,
"Cobalt", "Co", "58.9332", 8, 3,
"Nickel", "Ni", "58.71", 9, 3,
"Copper", "Cu", "63.546", 10, 3,
"Zinc", "Zn", "65.38", 11, 3,
"Gallium", "Ga", "69.735", 12, 3,
"Germanium", "Ge", "72.59", 13, 3,
"Arsenic", "As", "74.9216", 14, 3,
"Selenium", "Se", "78.96", 15, 3,
"Bromium", "Br", "79.904", 16, 3,
"Krypton", "Kr", "83.80", 17, 3,
"Rubidium", "Rb", "85.467", 0, 4,
"Strontium", "Sr", "87.62", 1, 4,
"Yttrium", "Y", "88.9059", 2, 4,
"Zirconium", "Zr", "91.22", 3, 4,
"Niobium", "Nb", "92.9064", 4, 4,
"Molybdenum", "Mo", "95.94", 5, 4,
"Technetium", "Tc", "98.9062", 6, 4,
"Ruthenium", "Ru", "101.07", 7, 4,
"Rhodium", "Rh", "102.9055", 8, 4,
"Palladium", "Pd", "106.4", 9, 4,
"Silver", "Ag", "107.868", 10, 4,
"Cadmium", "Cd", "112.41", 11, 4,
"Indium", "In", "114.82", 12, 4,
"Tin", "Sn", "118.69", 13, 4,
"Antimony", "Sb", "121.75", 14, 4,
"Tellurium", "Te", "127.60", 15, 4,
"Iodine", "I", "126.9045", 16, 4,
"Xenon", "Xe", "131.30", 17, 4,
"Cesium", "Cs", "132.9054", 0, 5,
"Barium", "Ba", "137.33", 1, 5,
"Lanthanum", "La", "138.9055", 2, 5,
"Cerium", "Ce", "140.12", 2, 8,
"Praeseodymium", "Pr", "140.9077", 3, 8,
"Neodymium", "Nd", "144.24", 4, 8,
"Promethium", "Pm", "(145)", 5, 8,
"Samarium", "Sm", "150.4", 6, 8,
"Europium", "Eu", "151.96", 7, 8,
"Gadolinium", "Gd", "157.25", 8, 8,
"Terbium", "Tb", "158.9254", 9, 8,
"Dysprosium", "Dy", "162.50", 10, 8,
"Holmium", "Ho", "164.9304", 11, 8,
"Erbium", "Er", "167.26", 12, 8,
"Thulium", "Tm", "168.9342", 13, 8,
"Ytterbium", "Yb", "173.04", 14, 8,
"Lutetium", "Lu", "174.96", 15, 8,
"Hafnium", "Hf", "178.49", 3, 5,
"Tantalum", "Ta", "180.947", 4, 5,
"Tungsten", "W", "183.85", 5, 5,
"Rhenium", "Re", "186.207", 6, 5,
"Osmium", "Os", "190.2", 7, 5,
"Iridium", "Ir", "192.22", 8, 5,
"Platinum", "Pt", "195.09", 9, 5,
"Gold", "Au", "196.9665", 10, 5,
"Mercury", "Hg", "200.59", 11, 5,
"Thallium", "Tl", "204.37", 12, 5,
"Lead", "Pb", "207.2", 13, 5,
"Bismuth", "Bi", "208.9804", 14, 5,
"Polonium", "Po", "(209)", 15, 5,
"Astatine", "At", "(210)", 16, 5,
"Radon", "Rn", "(222)", 17, 5,
"Francium", "Fr", "(223)", 0, 6,
"Radium", "Ra", "226.0254", 1, 6,
"Actinium", "Ac", "(227)", 2, 6,
"Thorium", "Th", "232.0381", 2, 9,
"Protactinium", "Pa", "231.0359", 3, 9,
"Uranium", "U", "238.029", 4, 9,
"Neptunium", "Np", "237.0482", 5, 9,
"Plutonium", "Pu", "(244)", 6, 9,
"Americium", "Am", "(243)", 7, 9,
"Curium", "Cm", "(247)", 8, 9,
"Berkelium", "Bk", "(247)", 9, 9,
"Calfornium", "Cf", "(251)", 10, 9,
"Einsteinium", "Es", "(254)", 11, 9,
"Fermium", "Fm", "(257)", 12, 9,
"Mendelevium", "Md", "(258)", 13, 9,
"Nobelium", "No", "(259)", 14, 9,
"Lawrencium", "Lr", "(260)", 15, 9,
"Rutherfordium", "Rf", "(260)", 3, 6,
"Hahnium", "Ha", "(260)", 4, 6,
"Not Named Yet", "106", "(263)", 5, 6
};
//
// Main entry point for this application.
//
int PASCAL WinMain (HANDLE hInstance, HANDLE hPrevInstance,
LPSTR lpszCmdLine, int nCmdShow)
{
HWND hWnd;
MSG msg;
int nWidth, nHeight;
WNDCLASS wndclass;
//
// Save handle instance globally.
//
ghInstance = hInstance;
//
// Register the window class for this application.
//
if (!hPrevInstance) {
wndclass.style = CS_VREDRAW | CS_HREDRAW | CS_SAVEBITS;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (hInstance, "mainicon");
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
wndclass.hbrBackground = GetStockObject (WHITE_BRUSH);
wndclass.lpszMenuName = szMainMenu;
wndclass.lpszClassName = szAppName;
if (!RegisterClass (&wndclass))
return FALSE;
}
//
// Create a white background for future use.
//
hWhiteBrush = GetStockObject(WHITE_BRUSH);
//
// Load the keyboard accelerator table.
//
hAccTable = LoadAccelerators(hInstance,szAccTable);
//
// Set old element number to cause display on first entry.
// Set up initial hint text.
// Set flag to indicate element change is not frozen.
//
iElementOld = MAX_ELEMENTS + 1;
lstrcpy(szElement,szHint);
fFrozen = FALSE;
//
// Calculate a width of screen width.
//
nWidth = GetSystemMetrics(SM_CXSCREEN);
//
// Calculate a height of screen height less twice icon height.
//
nHeight = GetSystemMetrics(SM_CYSCREEN) - GetSystemMetrics(SM_CYICON) * 2;
//
// Create and display the main window.
//
hWnd = CreateWindow (szAppName, "Periodic Table", WS_OVERLAPPED |
WS_CAPTION | WS_THICKFRAME | WS_SYSMENU |
WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
0, 0, nWidth, nHeight, NULL, NULL,
hInstance, NULL);
if (!hWnd) return FALSE;
ShowWindow (hWnd, nCmdShow);
UpdateWindow (hWnd);
//
// The world-famous Microsoft Windows message loop with accelerators.
// By the time you get your first WinApp working, you will be seeing
// messages in your sleep!
//
while (GetMessage (&msg, NULL, 0, 0)) {
//
// If it's not an accelerator key, translate and dispatch!
//
if (!TranslateAccelerator(hWnd,hAccTable,&msg))
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
//
// Return control to caller (Windows).
//
return msg.wParam;
}
//
// This module displays the element text in the proper size and color.
//
void ElementDisplay(hDC)
HDC hDC;
{
//
// Calculate bounding box for the DrawText operation (the area that is
// between Hydrogen and Helium with a 1-pixel border).
//
rect.left = ( elTable[0].wColumn + 1 ) * cxBox + 21;
rect.right = elTable[1].wColumn * cxBox + 19;
rect.top = elTable[0].wRow * cyBox + 40;
rect.bottom = rect.top + cyBox - 1;
//
// Fill the element text area with the background.
//
FillRect(hDC,&rect,hWhiteBrush);
//
// Switch text color to blue if frozen, or red if not frozen.
//
if (fFrozen) SetTextColor(hDC,RGB(0,0,255));
else SetTextColor(hDC,RGB(255,0,0));
//
// Display the element text, clipped, centered.
//
DrawText(hDC,szElement,-1,&rect,DT_CENTER | DT_VCENTER);
//
// Switch text color back to black.
//
SetTextColor(hDC,RGB(0,0,0));
}
//
// AboutBox and HelpBox (only the box changes) dialog box function.
//
BOOL FAR PASCAL BoxProcessor(hDlg,message,wParam,lParam)
HWND hDlg;
unsigned message;
WORD wParam;
LONG lParam;
{
//
// What type of message was encountered?
//
switch (message) {
//
// No steps required to initialize dialog.
// However, it must be indicated that the dialog is initialized.
//
case WM_INITDIALOG:
return (TRUE);
//
// Process command keys germane to the dialog box.
//
case WM_COMMAND:
//
// Was the command key "OK" or "Cancel"?
//
if (wParam == IDOK || wParam ==IDCANCEL) {
//
// End the dialog and indicate that keys accepted.
//
EndDialog(hDlg,TRUE);
return(TRUE);
}
//
// No processing required for any other function.
//
}
return(FALSE);
}
//
// Main window function.
//
long FAR PASCAL WndProc (HWND hWnd, unsigned iMessage, WORD wParam, LONG lParam)
{
static WORD cxClient, cyClient;
WORD cyChar, xBox, yBox;
PAINTSTRUCT ps;
HDC hDC;
PELEMENT pel;
char buf [10];
RECT rect;
//
// Clear the "freezing" and "thawing" flags.
//
fFreezing = FALSE;
fThawing = FALSE;
switch (iMessage) {
//
// Accept the four defined messages.
//
case WM_COMMAND:
switch (wParam) {
//
// Did the user request an Exit?
//
case ID_EXIT:
//
// Request Windows to nuke the window.
//
PostQuitMessage(0);
break;
//
// Did the user request the element data be placed on the clipboard?
//
case ID_COPY:
//
// Get a global block of memory for clipboard use.
//
hClipboard = GlobalAlloc(GHND,(DWORD)128);
//
// Convert the handle to a pointer.
//
lpszClipboard = GlobalLock(hClipboard);
//
// Store the current line in the clipboard block.
//
wsprintf(lpszClipboard,"%s\n",(LPSTR)szElement);
//
// Unlock the clipboard memory block by handle.
//
GlobalUnlock(hClipboard);
//
// Transfer the clipboard memory block to the clipboard.
//
OpenClipboard(hWnd);
EmptyClipboard();
SetClipboardData(CF_TEXT,hClipboard);
CloseClipboard();
//
// Clipboard functions complete!
//
break;
//
// This logic handles the "Help Screen" function.
//
case ID_HELP:
//
// Get the famous "instance thunk" pointing to the BoxProcessor.
//
lpBoxHandler = MakeProcInstance(BoxProcessor,ghInstance);
//
// Set up the dialog box.
//
DialogBox(ghInstance,"HelpBox",hWnd,lpBoxHandler);
//
// Discard the instance thunk.
//
FreeProcInstance(lpBoxHandler);
//
// Help functions complete!
//
break;
//
// This logic sequence handles "About Element3...".
//
case ID_ABOUT:
//
// Get the famous "instance thunk" pointing to the BoxProcessor.
//
lpBoxHandler = MakeProcInstance(BoxProcessor,ghInstance);
//
// Set up the dialog box.
//
DialogBox(ghInstance,"AboutBox",hWnd,lpBoxHandler);
//
// Discard the instance thunk.
//
FreeProcInstance(lpBoxHandler);
//
// About functions complete!
//
break;
}
//
// Command functions complete
//
break;
case WM_SIZE:
//
// When the window changes size, update static variables
// containing the window size and size of each box.
//
cxClient = LOWORD (lParam);
cyClient = HIWORD (lParam);
cxBox = (cxClient - 40) / NUM_COLUMNS;
cyBox = (cyClient - 60) / NUM_ROWS;
break;
case WM_LBUTTONUP:
//
// Handle the case when the user released any mouse button.
//
//
// Set flags to indicate freezing or thawing status.
//
fThawing = fFrozen;
fFreezing = !fThawing;
case WM_MOUSEMOVE:
//
// Mouse motion has occurred. Where is that dirty rat?
//
//
// Are we not frozen or thawing out?
//
if (fThawing || !fFrozen) {
//
// Set frozen flag if we're in the process of freezing.
//
fFrozen = fFreezing;
//
// Convert the mouse location to a corresponding element box.
//
xBox = (LOWORD (lParam) - 20) / cxBox;
yBox = (HIWORD (lParam) - 40) / cyBox;
//
// Scan the element table to determine which box holds the mouse.
//
for (i=0; i<MAX_ELEMENTS; i++)
if (elTable [i].wColumn == xBox &&
elTable [i].wRow == yBox)
break;
//
// Did the element number or status change?
//
if ((i != iElementOld) | fFreezing | fThawing) {
//
// Save the old element number.
//
iElementOld = i;
//
// Build a string to indicate which element is selected.
//
if (i < MAX_ELEMENTS)
wsprintf(szElement,"Element %u - %s(%s) - Atomic Weight %s",i+1,
(LPSTR)elTable[i].pszName,
(LPSTR)elTable[i].pszSymbol,
(LPSTR)elTable[i].pszWeight);
else
lstrcpy(szElement,szHint);
//
// Get control of the display context.
//
hDC = GetDC(hWnd);
//
// Display the element data.
//
ElementDisplay(hDC);
//
// Release display context for other uses.
//
ReleaseDC(hWnd, hDC);
} // Element changed branch exit at this point.
} // Not frozen logic exits at this point.
return 0L;
case WM_PAINT:
//
// Need to redraw the window from scratch.
//
hDC = BeginPaint (hWnd, &ps);
cyChar = HIWORD (GetTextExtent (hDC, "M", 1));
rect.top = cyChar;
rect.bottom = cyChar * 2 + 2;
//
// Draw the column titles.
//
for (i=0; i<NUM_COLUMNS; i++) {
rect.left = i * cxBox + 20;
rect.right = rect.left + cxBox;
DrawText (hDC, pszTitles [i], -1, &rect, DT_CENTER | DT_VCENTER |
DT_NOPREFIX | DT_SINGLELINE);
}
//
// Now draw each element. Each one consists of a rectangle to
// contain the information, the atomic number in the upper left
// corner, and the atomic symbol centered.
//
for (i=0; i<MAX_ELEMENTS; i++) {
pel = &elTable [i];
rect.left = pel->wColumn * cxBox + 20;
rect.right = rect.left + cxBox;
rect.top = pel->wRow * cyBox + 40;
rect.bottom = rect.top + cyBox;
Rectangle (hDC, rect.left, rect.top, rect.right, rect.bottom);
wsprintf (buf, "%i", i+1);
TextOut (hDC, rect.left+1, rect.top+1, buf, lstrlen (buf));
rect.top += cyChar + 1;
DrawText (hDC, pel->pszSymbol, -1, &rect, DT_CENTER | DT_VCENTER |
DT_NOPREFIX | DT_SINGLELINE);
}
//
// Display the element text.
//
ElementDisplay(hDC);
EndPaint (hWnd, &ps);
return 0L;
case WM_DESTROY:
//
// Main window closed. Quit the program.
//
PostQuitMessage (0);
return 0L;
}
return DefWindowProc (hWnd, iMessage, wParam, lParam);
}