static void LboxDrawLine(HWND hwnd, OWNERITEM *item, RECTL *rcl, image_contents_screencode_t *line)
{
const HPS hps = item->hps;
const int name = WinDlgLboxSelectedItem(hwnd, DID_FONTNAME_LB);
FATTRS font = { sizeof(FATTRS), 0, 0, "", 0, 0, 8, 8, 0, 0 };
strcpy(font.szFacename, fnames[name]);
GpiCreateLogFont(hps, NULL, 1, &font);
GpiSetCharSet(hps, 1);
GpiSetBackColor(hps, item->fsState ? CLR_DARKGRAY : CLR_WHITE);
GpiSetColor(hps, item->fsState ? CLR_WHITE : CLR_DEFAULT);
GpiCharStringPosAt(hps, (POINTL*)rcl, rcl, CHS_OPAQUE, line->length, line->line, NULL);
GpiSetCharSet(hps, 0);
GpiDeleteSetId(hps, 1);
}
void PaintClient (HPS hps, SHORT cxClient, SHORT cyClient)
{
static CHAR szText [] = "ZED" ;
POINTL ptl, ptlShear ;
// Create the logical font
CreateOutlineFont (hps, LCID_FONT, "Times New Roman", 0, 0) ;
GpiSetCharSet (hps, LCID_FONT) ;
// Display the shadow
GpiSetColor (hps, CLR_DARKBLUE) ;
ScaleOutlineFont (hps, 2160, 720) ;
ptlShear.x = 1 ; //was 2
ptlShear.y = 1 ;
GpiSetCharShear (hps, &ptlShear) ;
ptl.x = cxClient / 8 ;
ptl.y = cyClient / 4 ;
GpiCharStringAt (hps, &ptl, strlen (szText), szText) ;
// Display the text
GpiSetColor (hps, CLR_WHITE) ;
ScaleOutlineFont (hps, 720, 720) ;
ptlShear.x = 0 ;
ptlShear.y = 1 ;
GpiSetCharShear (hps, &ptlShear) ;
GpiCharStringAt (hps, &ptl, strlen (szText), szText) ;
// Select the default font; delete the logical font
GpiSetCharSet (hps, LCID_DEFAULT) ;
GpiDeleteSetId (hps, LCID_FONT) ;
}
void PaintClient (HPS hps, SHORT cxClient, SHORT cyClient)
{
static CHAR szText [] = "Hello!" ;
FONTMETRICS fm ;
int iPtHt, iPtWd ;
POINTL ptl, aptl[TXTBOX_COUNT] ;
// Create the logical font, select it, and scale it
CreateOutlineFont (hps, LCID_FONT, "Helvetica", 0, 0) ;
GpiSetCharSet (hps, LCID_FONT) ;
ScaleOutlineFont (hps, 120, 120) ;
// Scale font to client window size
GpiQueryTextBox (hps, strlen (szText), szText, TXTBOX_COUNT, aptl) ;
iPtHt = (int) (120 * cyClient / (aptl[TXTBOX_TOPLEFT].y -
aptl[TXTBOX_BOTTOMLEFT].y)) ;
iPtWd = (int) (120 * cxClient / aptl[TXTBOX_CONCAT].x) ;
ScaleOutlineFont (hps, iPtHt, iPtWd) ;
// Display the text string
GpiQueryFontMetrics (hps, sizeof (FONTMETRICS), &fm) ;
ptl.x = 0 ;
ptl.y = cyClient - fm.lMaxAscender ;
GpiCharStringAt (hps, &ptl, strlen (szText), szText) ;
// Select the default font; delete the logical font
GpiSetCharSet (hps, LCID_DEFAULT) ;
GpiDeleteSetId (hps, LCID_FONT) ;
}
static MRESULT EXPENTRY LinkLabelProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2 )
{
linkData *ld = (linkData *)WinQueryWindowULong( hwnd, QWL_USER );
switch ( msg )
{
case WM_PAINT:
{
FONTMETRICS fm;
FATTRS fat;
HPS hps;
ULONG style;
char *text = (char *)malloc( MAXTEXTLEN );
WinQueryWindowText( hwnd, MAXTEXTLEN, text);
hps = WinBeginPaint( hwnd , 0L , 0L );
GpiQueryFontMetrics( hps , sizeof( FONTMETRICS ) , &fm );
memset( &fat , 0 , sizeof( fat ) );
fat.usRecordLength = sizeof( FATTRS );
fat.lMatch = fm.lMatch;
fat.fsSelection = FATTR_SEL_UNDERSCORE;
strcpy( fat.szFacename , fm.szFacename );
GpiDeleteSetId( hps , 1 );
GpiCreateLogFont( hps , 0 , 1 , &fat );
GpiSetCharSet( hps , 1 );
WinQueryWindowRect( hwnd , &ld->textRect );
style = WinQueryWindowULong( hwnd, QWL_STYLE );
style &= DT_LEFT|DT_CENTER|DT_RIGHT|DT_TOP|DT_VCENTER|DT_BOTTOM;
WinDrawText( hps, -1, text, &ld->textRect,
CLR_BLUE, SYSCLR_DIALOGBACKGROUND,
style | DT_ERASERECT | DT_UNDERSCORE );
WinDrawText( hps, -1, text, &ld->textRect,
CLR_BLUE, SYSCLR_DIALOGBACKGROUND,
style | DT_QUERYEXTENT | DT_UNDERSCORE );
WinEndPaint( hps );
free( text );
}
return (MRESULT)FALSE;
case WM_MOUSEMOVE:
{
if ( handPtr != NULLHANDLE )
{
POINTL ptl;
ptl.x = SHORT1FROMMP( mp1 );
ptl.y = SHORT2FROMMP( mp1 );
if ( WinPtInRect( WinQueryAnchorBlock( hwnd ), &ld->textRect, &ptl) )
{
WinSetPointer( HWND_DESKTOP, handPtr );
return (MRESULT)FALSE;
}
}
}
break;
case WM_BUTTON1CLICK:
{
PROGDETAILS pd;
char *text;
POINTL ptl;
if ( strcmp( browserExe, "" ) == 0 ) break;
ptl.x = SHORT1FROMMP( mp1 );
ptl.y = SHORT2FROMMP( mp1 );
if ( !WinPtInRect( WinQueryAnchorBlock( hwnd ), &ld->textRect, &ptl) )
break;
if ( ld->url == NULL )
{
text = (char *)malloc( MAXTEXTLEN );
WinQueryWindowText( hwnd, MAXTEXTLEN, text);
}
else text = strdup( ld->url );
pd.Length = sizeof( PROGDETAILS );
pd.progt.progc = PROG_DEFAULT;
pd.progt.fbVisible = SHE_VISIBLE;
pd.pszTitle = NULL;
pd.pszExecutable = browserExe;
pd.pszParameters = NULL;
pd.pszStartupDir = ( browserDir[0] == 0 ) ? NULL : browserDir;
pd.pszIcon = NULL;
pd.pszEnvironment = NULL;
pd.swpInitial.fl = SWP_ACTIVATE;
pd.swpInitial.cy = 0;
pd.swpInitial.cx = 0;
pd.swpInitial.y = 0;
pd.swpInitial.x = 0;
pd.swpInitial.hwndInsertBehind = HWND_TOP;
pd.swpInitial.hwnd = NULLHANDLE;
pd.swpInitial.ulReserved1 = 0;
pd.swpInitial.ulReserved2 = 0;
WinStartApp( NULLHANDLE , &pd , text , NULL , 0 );
free( text );
}
break;
case WM_DESTROY:
ld->labelProc( hwnd, msg, mp1, mp2 );
if ( ld->url != NULL ) free( ld->url );
free( ld );
return (MRESULT)FALSE;
}
return ld->labelProc( hwnd, msg, mp1, mp2 );
}
/****************************************************************************
* ClientWndProc *
* - Typical PM client window procedure. (see below) *
* - Standard client window I/O *
****************************************************************************/
MRESULT EXPENTRY ClientWndProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
{
RECTL rcl;
SWP swp;
HPS hpsPaint;
static HPS hps; /* Permanent HPS */
static INT cx, cy; /* Client window dimensions */
static BOOL bSlowUpdateNow = FALSE; /* Update toggle for asteroids *
* and enemy which are slow. */
static POINTL ptlCenter; /* Center of client window */
switch (msg) {
/* Recieved from WinCreateStdWindow */
case WM_CREATE:
/* Get permanent PS for entire window */
hps = WinGetPS(hwnd);
/* Load private Asteroid fonts from ASTEROID.DLL */
if (GpiLoadFonts(hab, "ASTEROID") != GPI_OK) {
WinReleasePS(hps);
WinAlarm(HWND_DESKTOP, WA_WARNING);
WinMessageBox(HWND_DESKTOP,NULLHANDLE,
"Please put ASTEROID.DLL in a directory in your LIBPATH.",
"Error reading ASTEROID.DLL",
0,MB_ICONHAND|MB_OK|MB_APPLMODAL);
WinPostMsg(hwnd,WM_QUIT,(MPARAM) 0L,(MPARAM) 0L);
return (MRESULT) TRUE;
}
/* Register/create logical fonts for use */
InitFonts(hps);
/* Display About dialoge box */
WinDlgBox(HWND_DESKTOP, hwnd, (PFNWP)AboutDlgProc, NULLHANDLE,
IDD_ABOUT, NULL);
return 0;
/* Recieved during attract mode when user starts game */
case WM_STARTGAME:
/* Determine the number of players */
cPlayers = (INT)LONGFROMMP(mp1);
/* Initialize each player */
for (Player=0;Player<cPlayers;Player++) {
Level[Player] = 1;
Ships[Player] = prfProfile.iSHIPS;
DeletePhotons();
InitAsteroids();
InitEnemy();
}
/* Start with player 1 */
Player = 0;
iGameMode = GAME_MODE_NEXT;
iGameModeCnt = GAME_PAUSE_TIME-1;
/* Hide the pointer if mouse controls are enabled */
ShowMouse(FALSE);
/* Paint everything */
WinSendMsg(hwnd, WM_PAINT, MPVOID, MPVOID);
return 0;
/* Recieved at startup and at the completion of a game */
case WM_INITGAME:
/* Make mouse visible if we hid it before */
ShowMouse(TRUE);
/* Fix menu to reflect attract mode */
EnableMenuItem(hwndMenu, IDM_START, TRUE);
EnableMenuItem(hwndMenu, IDM_STOP, FALSE);
/* Initialize player and enemy data structures */
cPlayers = 0;
Level[0] = 1;
for (Player=0;Player<2;Player++) {
Score[Player] = 0L;
Ships[Player] = 0;
DeletePhotons();
}
Player = 0;
/* Initialize asteroids (and enemy) for attract mode */
InitAsteroids();
InitEnemy();
/* Depending on whether ASTEROID was just started or a game just *
* completed display the "High Score" or "Press 1 or 2" screen. */
if (SHORT1FROMMP(mp1) == 0) {
iGameMode = GAME_MODE_INIT1;
iGameModeCnt = GAME_INIT_TIME;
}
else {
iGameMode = GAME_MODE_INIT2;
iGameModeCnt = GAME_INIT_TIME;
}
/* Paint everything */
WinSendMsg(hwnd, WM_PAINT, MPVOID, MPVOID);
return 0;
/* Usually recieved from the system, sometime forced by the program to *
* ensure the screen is not corrupt. */
case WM_PAINT:
/* Clear entire window to insure no "droppings" */
WinQueryWindowRect(hwnd,&rcl);
WinFillRect(hps, &rcl, CLR_BLACK);
WinInvalidateRect(hwnd, &rcl, FALSE);
/* Get the update region and paint it black */
hpsPaint = WinBeginPaint(hwnd, (HPS)NULL, &rcl);
WinFillRect(hpsPaint, &rcl, CLR_BLACK);
WinEndPaint(hpsPaint);
/* Only in normal play mode should we draw the ship */
if ((iGameMode == GAME_MODE_PLAY) &&
(iShipMode[Player] != EXPLOSION) &&
(iShipMode[Player] != HYPERSPACE))
DrawShip(hps, cx, cy, DRAW_INIT);
else if ((iGameMode == GAME_MODE_PLAY) &&
(iShipMode[Player] == EXPLOSION))
ExplodeShip(hps, cx, cy);
/* Draw the enemy if it is on the screen */
if (iEnemyMode[Player] != NONE)
if (iEnemyMode[Player] != EXPLOSION)
DrawEnemy(hps, cx, cy,DRAW_INIT);
else
ExplodeEnemy(hps, cx, cy);
/* Draw photons and asteroids in all modes but the "Enter your *
* initials" mode, otherwise draw that screen. */
if (iGameMode != GAME_MODE_HIGH) {
DrawPhotons(hps, cx, cy, DRAW_INIT);
DrawAsteroids(hps, cx, cy, DRAW_INIT);
}
else
DrawHighScore(hps, cx, cy, DRAW_INIT);
/* Always draw the score */
DrawScore(hps, cx, cy, DRAW_INIT);
return 0;
/* Left mouse button down. This simulates the move/track function *
* in the system menu. */
case WM_BUTTON1DOWN:
if (prfProfile.bMOUSECONTROL &&
iGameMode != GAME_MODE_INIT1 &&
iGameMode != GAME_MODE_INIT2 &&
!TogglePause(CHECK)) {
UPDATE_FIRE(iShipMode[Player], TRUE);
return (MRESULT)TRUE;
}
return WinSendMsg(hwndFrame, WM_TRACKFRAME,
(MPARAM) (SHORT1FROMMP(mp2) | TF_MOVE), MPVOID);
case WM_BUTTON1UP:
if (prfProfile.bMOUSECONTROL) {
UPDATE_FIRE(iShipMode[Player], FALSE);
return (MRESULT)TRUE;
}
return 0;
/* Left mouse button double clicked. Toggle frame control display. */
case WM_BUTTON1DBLCLK:
if (!prfProfile.bMOUSECONTROL ||
iGameMode == GAME_MODE_INIT1 ||
iGameMode == GAME_MODE_INIT2 ||
TogglePause(CHECK)) {
if (prfProfile.bCONTROLS = !prfProfile.bCONTROLS)
ShowFrameControls();
else
HideFrameControls();
}
return 0;
case WM_BUTTON2DOWN:
if (prfProfile.bMOUSECONTROL) {
UPDATE_SHIELD(iShipMode[Player], iShipShieldCnt[Player]);
return (MRESULT)TRUE;
}
return 0;
case WM_BUTTON2CLICK:
if (prfProfile.bMOUSECONTROL) {
UPDATE_HYPERSPACE(iShipMode[Player], iShipModeCnt[Player]);
return (MRESULT)TRUE;
}
return 0;
/* Right mouse button double clicked. Display the about dialog box. */
case WM_BUTTON2DBLCLK:
if (!prfProfile.bMOUSECONTROL ||
iGameMode == GAME_MODE_INIT1 ||
iGameMode == GAME_MODE_INIT2 ||
TogglePause(CHECK)) {
WinDlgBox(HWND_DESKTOP, hwndClient, (PFNWP)AboutDlgProc,
NULLHANDLE, IDD_ABOUT, NULL);
}
return 0;
/* User typed a key. Most of this is self explanatory. */
case WM_CHAR:
ProcessChar((CHAR) (CHARMSG(&msg)->vkey-1),
CHARMSG(&msg)->fs & KC_VIRTUALKEY,
(CHAR) (CHARMSG(&msg)->chr),
(BOOL) !(CHARMSG(&msg)->fs & KC_KEYUP));
return 0;
/* User entered a command via the menu bar. */
case WM_COMMAND:
DoCommand(hwnd, msg, mp1, mp2);
return 0;
/* Suspend/un-suspend game depending on focus */
case WM_SETFOCUS:
if ((BOOL) SHORT1FROMMP(mp2))
TogglePause(SUSPEND_OFF);
else if (!prfProfile.bBACKGRND)
TogglePause(SUSPEND_ON);
return 0;
/* Keep track of the client window size. Profile information is not *
* updated here because there are better places (i.e. at exit) */
case WM_SIZE:
cx = (INT)SHORT1FROMMP(mp2);
cy = (INT)SHORT2FROMMP(mp2);
/* Keep track of client window position. Also updates profile info. */
case WM_MOVE:
WinQueryWindowPos(hwndFrame,&swp);
if (!(swp.fl & SWP_MAXIMIZE) && !(swp.fl & SWP_MINIMIZE)) {
prfProfile.x = swp.x;prfProfile.y = swp.y;
prfProfile.cx = swp.cx;prfProfile.cy = swp.cy;
}
if (swp.fl & SWP_MINIMIZE)
if (!prfProfile.bBACKGRND) {
/* Set icon */
WinSendMsg(hwndFrame, WM_SETICON,
(MPARAM) WinLoadPointer(HWND_DESKTOP, NULLHANDLE,
ID_RESOURCE), MPVOID);
TogglePause(SUSPEND_ON);
}
else
WinSendMsg(hwndFrame, WM_SETICON, MPVOID, MPVOID);
else
TogglePause(SUSPEND_OFF);
ptlCenter.x = swp.cx / 2;
ptlCenter.y = swp.cy / 2;
WinMapWindowPoints(hwndClient, HWND_DESKTOP, &ptlCenter, 1L);
return 0;
/* Recieved approximately 31 times a second. This is the longest and *
* ugliest of the messages, partly because there are so many cases *
* to keep track of, partly because it must be highly optimized. */
case WM_TIMER:
if (prfProfile.bMOUSECONTROL &&
iGameMode != GAME_MODE_INIT1 &&
iGameMode != GAME_MODE_INIT2) { POINTL ptl;
static BOOL bUp, bLeft, bRight;
WinQueryPointerPos(HWND_DESKTOP, &ptl);
if (bUp || (ptl.y - ptlCenter.y > 0))
UPDATE_THRUST(iShipMode[Player],
bUp = (ptl.y - ptlCenter.y > 0));
if (bLeft || (ptlCenter.x - ptl.x > 0))
UPDATE_LEFT(iShipMode[Player],
bLeft = (ptlCenter.x - ptl.x > 0));
if (bRight || (ptlCenter.x - ptl.x < 0))
UPDATE_RIGHT(iShipMode[Player],
bRight = (ptlCenter.x - ptl.x < 0));
WinSetPointerPos(HWND_DESKTOP, ptlCenter.x, ptlCenter.y);
}
/* Determine the current game mode */
switch (iGameMode) {
/* Either initialization/attract mode screen. */
case GAME_MODE_INIT1: case GAME_MODE_INIT2:
/* Switch screens when count expires */
if (--iGameModeCnt == 0) {
if (iGameMode == GAME_MODE_INIT1)
iGameMode = GAME_MODE_INIT2;
else
iGameMode = GAME_MODE_INIT1;
iGameModeCnt = GAME_INIT_TIME;
/* Score must be redrawn because the attract mode screens *
* draw the score differently. */
DrawScore(hps, cx, cy, DRAW_REINIT);
}
/* Update photons, asteroids, enemy, and score */
UpdatePhotons(hps, cx, cy);
if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) {
UpdateAsteroids(hps, cx, cy);
UpdateEnemy(hps, cx, cy);
DrawScore(hps, cx, cy, DRAW_REFRESH);
}
break;
/* Completion of one player's turn or new game */
case GAME_MODE_NEXT:
/* Initially, erase and redraw everything for new player */
if (iGameModeCnt-- == GAME_PAUSE_TIME) {
if ((cPlayers == MAXPLAYERS) &&
(Ships[(Player+1) % MAXPLAYERS])) {
DrawAsteroids(hps, cx, cy, DRAW_ERASE);
DrawPhotons(hps, cx, cy, DRAW_ERASE);
Player = (Player+1) % MAXPLAYERS;
}
DrawScore(hps, cx, cy, DRAW_REINIT);
DrawAsteroids(hps, cx, cy, DRAW_INIT);
}
/* During countdown update score and asteroids */
else if (iGameModeCnt > 0) {
if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) {
DrawScore(hps, cx, cy, DRAW_REFRESH);
UpdateAsteroids(hps, cx, cy);
}
}
/* At end of countdown start the player */
else {
InitShip();
InitEnemy();
iGameMode = GAME_MODE_PLAY;
DrawScore(hps, cx, cy, DRAW_REINIT);
}
break;
/* Normal play mode */
case GAME_MODE_PLAY:
/* Update ship, photons, asteroids, enemy, and score */
UpdateShip(hps, cx, cy);
UpdatePhotons(hps, cx, cy);
if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) {
UpdateAsteroids(hps, cx, cy);
UpdateEnemy(hps, cx, cy);
/* Erase old and draw new scores if there is a change*/
if (bChangeScore) {
bChangeScore = FALSE;
DrawScore(hps, cx, cy, DRAW_REINIT);
}
/* Else just refresh the score */
else
DrawScore(hps, cx, cy, DRAW_REFRESH);
}
break;
/* Game over mode. This is the longest and ugliest case because *
* conditions are highly dependent on the number of players, *
* multiplayer game status, and the number and order of high *
* scores. */
case GAME_MODE_OVER:
/* Initially, just update the score and number of ships */
if (iGameModeCnt-- == GAME_PAUSE_TIME)
DrawScore(hps, cx, cy, DRAW_REINIT);
/* During countdown refresh the score and update the asteroids */
else if (iGameModeCnt > 0) {
if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) {
DrawScore(hps, cx, cy, DRAW_REFRESH);
UpdateAsteroids(hps, cx, cy);
}
}
/* At the end of the countdown, if there are any other players, *
* continue with them. */
else {
/* Countinue on with any remaining players. */
if ((cPlayers == MAXPLAYERS) &&
(Ships[(Player+1) % MAXPLAYERS])) {
/* Erase all of the old asteroids. */
DrawAsteroids(hps, cx, cy, DRAW_ERASE);
/* Setup everything for the next player */
Player = (Player+1) % MAXPLAYERS;
InitShip();
InitEnemy();
iGameMode = GAME_MODE_PLAY;
DrawAsteroids(hps, cx, cy, DRAW_INIT);
DrawScore(hps, cx, cy, DRAW_REINIT);
}
/* Check for new high scores and update table as necessary. */
else {
/* Erase all of the old asteroids. */
DrawAsteroids(hps, cx, cy, DRAW_ERASE);
/* The following if/else block is admittedly a kludge, it is *
* simple and it does work, however. Ideally it should *
* sort the high scores and update the high score table in *
* descending order. */
/* If player 1 scored higher than player 2 then check *
* player 1 first for a high score. */
if (Score[0] > Score[1])
for (Player=0;Player<cPlayers;Player++)
/* If the player's score is > than the lowest, *
* update the high score table. */
if (Score[Player] > prfProfile.lSCORES[9]) {
UpdateHighScores();
iGameMode = GAME_MODE_HIGH;
}
/* Otherwise, make sure he is not asked for his *
* initials. */
else
Score[Player] = 0;
/* Otherwise, check player 2 first */
else
for (Player=cPlayers;Player>=0;Player--)
/* If the player's score is > than the lowest, *
* update the high score table. */
if (Score[Player] > prfProfile.lSCORES[9]) {
UpdateHighScores();
iGameMode = GAME_MODE_HIGH;
}
/* Otherwise, make sure he is not asked for his *
* initials. */
else
Score[Player] = 0L;
/* If there was no high score, go into attract mode */
if (iGameMode != GAME_MODE_HIGH)
WinSendMsg(hwnd,WM_INITGAME,MPFROMSHORT(1),(MPARAM) 0L);
/* Else, check for player 1's initials first then 2's *
* This is not faithful, in the arcade game the player *
* with the higher score always goes first. */
else {
if (Score[0] > 0L)
Player = 0;
else
Player = 1;
DrawScore(hps, cx, cy, DRAW_REINIT);
DrawHighScore(hps, cx, cy, DRAW_INIT);
}
}
}
break;
/* Mode which prompts players to enter their initials */
case GAME_MODE_HIGH:
/* If the player's position is > 0 then refresh the screen */
if (Score[Player] > 0L)
DrawHighScore(hps, cx, cy, DRAW_REFRESH);
/* Else, the current player is done go to the next */
else if ((cPlayers == MAXPLAYERS) && (Player == 0) &&
(Score[1] > 0L)) {
Player++;
DrawHighScore(hps, cx, cy, DRAW_REINIT);
}
/* If there are no more high scores then go into attract mode */
else
WinSendMsg(hwnd, WM_INITGAME, MPFROMSHORT(1), MPVOID);
break;
}
return 0;
/* Used by help manager */
case HM_QUERY_KEYS_HELP:
return((MRESULT)IDH_CLIENTKEYS);
/* Recieved always from the system or in the case of an initialization*
* error. Both messages will normally save the profile information.*
* Ideally the profile section should be moved to a subroutine and the*
* the following should be broken into two distinct cases. */
case WM_SAVEAPPLICATION:
case WM_DESTROY:
/* If the fonts were not found bApplicationOk will be false, in *
* that case the window profile information should not be updated.*/
if (TRUE) {
/* Copy window position and size info into profile structure */
WinQueryWindowPos(hwndFrame, &swp);
if (swp.fl & SWP_MAXIMIZE)
prfProfile.ulMINMAX = SWP_MAXIMIZE;
else if (swp.fl & SWP_MINIMIZE)
prfProfile.ulMINMAX = SWP_MINIMIZE;
else {
prfProfile.ulMINMAX = 0;
prfProfile.x = swp.x;prfProfile.y = swp.y;
prfProfile.cx = swp.cx;prfProfile.cy = swp.cy;
}
/* Write profile information */
PrfWriteProfileData(HINI_USERPROFILE, szClientClass, "Data",
&prfProfile, sizeof(PROFILEREC));
}
/* If the application is terminating release the fonts and the hps. */
if (msg == WM_DESTROY) {
/* Make sure mouse is visible if we hid it before */
ShowMouse(TRUE);
/* Release font identifiers and DLL resource module */
GpiSetCharSet(hps, LCID_DEFAULT);
GpiDeleteSetId(hps, LCID_LARGE);
GpiDeleteSetId(hps, LCID_SMALL);
GpiUnloadFonts(hab, "ASTEROID");
/* Release the "permanent" presentation space */
WinReleasePS(hps);
}
return 0;
}
return WinDefWindowProc(hwnd, msg, mp1, mp2);
}
MRESULT EXPENTRY ClientWndProc (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
{
static CHAR szErrorMsg [] = "File not found or could not be opened" ;
static INT cxClient, cyClient, cxChar, cyChar, cyDesc ;
CHAR *pcReadBuffer ;
FILE *fileInput ;
FONTMETRICS fm ;
HPS hps ;
INT iLength ;
POINTL ptl ;
switch (msg)
{
case WM_CREATE:
hps = WinGetPS (hwnd) ;
EzfQueryFonts (hps) ;
if (!EzfCreateLogFont (hps, LCID_FIXEDFONT, FONTFACE_MONO,
FONTSIZE_10, 0))
{
WinReleasePS (hps) ;
WinMessageBox (HWND_DESKTOP, HWND_DESKTOP,
"Cannot find a fixed-pitch font. Load the Courier "
"fonts from the Control Panel and try again.",
szClientClass, 0, MB_OK | MB_WARNING) ;
return MRFROMSHORT (1) ;
}
GpiQueryFontMetrics (hps, (LONG) sizeof fm, &fm) ;
cxChar = fm.lAveCharWidth ;
cyChar = fm.lMaxBaselineExt ;
cyDesc = fm.lMaxDescender ;
GpiSetCharSet (hps, LCID_DEFAULT) ;
GpiDeleteSetId (hps, LCID_FIXEDFONT) ;
WinReleasePS (hps) ;
return 0 ;
case WM_SIZE:
cxClient = SHORT1FROMMP (mp2) ;
cyClient = SHORT2FROMMP (mp2) ;
return 0 ;
case WM_COMMAND:
switch (COMMANDMSG(&msg)->cmd)
{
case IDM_OPEN:
if (WinDlgBox (HWND_DESKTOP, hwnd, OpenDlgProc,
NULLHANDLE, IDD_OPEN, NULL))
WinInvalidateRect (hwnd, NULL, FALSE) ;
return 0 ;
case IDM_ABOUT:
WinDlgBox (HWND_DESKTOP, hwnd, AboutDlgProc,
NULLHANDLE, IDD_ABOUT, NULL) ;
return 0 ;
}
break ;
case WM_PAINT:
hps = WinBeginPaint (hwnd, NULLHANDLE, NULL) ;
GpiErase (hps) ;
if (szFileName [0] != '\0')
{
EzfCreateLogFont (hps, LCID_FIXEDFONT, FONTFACE_MONO,
FONTSIZE_10, 0) ;
EzfCreateLogFont (hps, LCID_BOLDFONT, FONTFACE_MONO,
FONTSIZE_10, FATTR_SEL_BOLD) ;
GpiSetCharSet (hps, LCID_BOLDFONT) ;
ptl.x = cxChar ;
ptl.y = cyClient - cyChar + cyDesc ;
GpiCharStringAt (hps, &ptl, strlen (szFileName),
szFileName) ;
ptl.y -= cyChar ;
if ((fileInput = fopen (szFileName, "r")) != NULL)
{
GpiSetCharSet (hps, LCID_FIXEDFONT) ;
pcReadBuffer = (PCHAR) malloc (cxClient / cxChar) ;
while ((ptl.y -= cyChar) > 0 &&
fgets (pcReadBuffer, cxClient / cxChar - 2,
fileInput) != NULL)
{
iLength = strlen (pcReadBuffer) ;
if (pcReadBuffer [iLength - 1] == '\n')
iLength-- ;
if (iLength > 0)
GpiCharStringAt (hps, &ptl, iLength,
pcReadBuffer) ;
}
free (pcReadBuffer) ;
fclose (fileInput) ;
}
else // file cannot be opened
{
ptl.y -= cyChar ;
GpiCharStringAt (hps, &ptl, strlen (szErrorMsg),
szErrorMsg) ;
}
GpiSetCharSet (hps, LCID_DEFAULT) ;
GpiDeleteSetId (hps, LCID_FIXEDFONT) ;
GpiDeleteSetId (hps, LCID_BOLDFONT) ;
}
WinEndPaint (hps) ;
return 0 ;
}
return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
}
