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/*
* $RCSfile: ControlMain.c,v $
*
* Copyright (C) 1992 by Adobe Systems Incorporated.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notices appear in all copies and that
* both those copyright notices and this permission notice appear in
* supporting documentation and that the name of Adobe Systems
* Incorporated not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. If any portion of this software is changed, it cannot be
* marketed under Adobe's trademarks and/or copyrights unless Adobe, in
* its sole discretion, approves by a prior writing the quality of the
* resulting implementation.
*
* ADOBE MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THE SOFTWARE FOR
* ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
* ADOBE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL ADOBE BE LIABLE
* TO YOU OR ANY OTHER PARTY FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE, STRICT LIABILITY OR ANY OTHER ACTION ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ADOBE WILL NOT
* PROVIDE ANY TRAINING OR OTHER SUPPORT FOR THE SOFTWARE.
*
* PostScript, Display PostScript, and Adobe are trademarks of Adobe Systems
* Incorporated registered in the U.S.A. and other countries.
*
* Author: Adobe Systems Incorporated
*/
/***************************************************************
**
** INCLUDE FILES
**
***************************************************************/
#include "Control.h"
/***************************************************************
**
** DATA DECLARATIONS
**
***************************************************************/
/*
** Global pointers to the application name and data block
*/
AppDataType AppData;
/*
** Global resource management data
*/
static MrmHierarchy SMrmHierarchy; /* MRM database hierarchy ID */
static MrmType *DummyClass; /* and class variable. */
static char *DbFilenameVec [] = /* Mrm.heirarchy file list. */
{
"Control.uid"
};
static void refreshWindow(), createProc(), quitApp(),
traceProc(), drawProc(), devIndepSel(),
markStartTime(), numPointsSel(), pointTypeSel();
static long getElapsedTime();
static XtResource Resources[] = {
{
"trace",
"Trace",
XtRBoolean,
sizeof(Boolean),
XtOffset(AppDataTypePtr,trace),
XtRImmediate,
(XtPointer)False
},
};
static XrmOptionDescRec CommandLineOptions[] = {
{
"-trace", /* PostScript trace command line option */
".trace", /* resource identifier */
XrmoptionNoArg,
(XtPointer)"true"
},
};
/* Names and addresses for Mrm to bind */
static MrmRegisterArg RegList [] =
{
{"refreshWindow" , (XtPointer) refreshWindow },
{"createProc" , (XtPointer) createProc },
{"quitApp" , (XtPointer) quitApp },
{"traceProc" , (XtPointer) traceProc },
{"drawProc" , (XtPointer) drawProc },
{"numPointsSel" , (XtPointer) numPointsSel },
{"pointTypeSel" , (XtPointer) pointTypeSel },
{"devIndepSel" , (XtPointer) devIndepSel },
};
/***************************************************************
**
** FUNCTION: main
**
** DESCRIPTION: OS transfer point. The main routine does all
** the one-time setup and then calls dispatching loop
**
** PARAMETERS: argc command line argument count
** argv array of pointers to command line args.
**
** RETURN: None.
**
***************************************************************/
unsigned int main (argc, argv)
unsigned int argc;
char *argv [];
{
Widget toplevel;
Widget mainWindow;
/*
** Initialize MRM before initializing the X Toolkit.
*/
MrmInitialize ();
/*
** Initialize the X Toolkit. We get back a top level shell widget.
*/
toplevel = XtAppInitialize (
&AppData.appContext, "Control", CommandLineOptions,
(Cardinal) XtNumber(CommandLineOptions), &argc, argv,
(String) NULL, (ArgList) NULL, 0
);
XtGetApplicationResources (
toplevel, (XtPointer) &AppData, (XtResourceList) Resources,
XtNumber(Resources), (ArgList) NULL, 0
);
if (!XDPSExtensionPresent(XtDisplay(toplevel)))
{
fprintf (stderr, "%s: DPS extension not in server\n", argv [0]);
exit (1);
}
/*
** Open the UID files (the output of the UIL compiler)
*/
if (MrmOpenHierarchy (XtNumber(DbFilenameVec), DbFilenameVec, NULL,
&SMrmHierarchy) != MrmSUCCESS)
{
fprintf (stderr, "Can't open heirarchy\n");
exit (1);
}
/*
** Register the items MRM needs to bind for us.
*/
MrmRegisterNames (RegList, XtNumber(RegList));
/*
** Get the main window for the application.
*/
if (MrmFetchWidget (SMrmHierarchy, "MainWindow", toplevel,
&mainWindow, &DummyClass) != MrmSUCCESS)
{
fprintf (stderr, "Can't fetch main window\n");
exit (0);
}
/*
** Manage the main window and option box and realize everything.
** The interface comes up on the display now.
*/
XtManageChild (mainWindow);
XtVaSetValues(
toplevel,
XmNmwmFunctions,
MWM_FUNC_ALL | MWM_FUNC_RESIZE | MWM_FUNC_MAXIMIZE | MWM_FUNC_CLOSE,
XmNmwmDecorations,
MWM_DECOR_ALL | MWM_DECOR_MAXIMIZE | MWM_DECOR_RESIZEH,
NULL
);
XtRealizeWidget (toplevel);
/*
** Do all the post-realization DPS/X processing here
*/
initDPSContext (toplevel);
/*
** Sit around forever waiting to process X-events.
** From here on, we only execute our callback routines.
*/
while (1) {
XEvent event;
XtAppNextEvent(AppData.appContext, &event);
if (!XDPSDispatchEvent(&event)) (void) XtDispatchEvent(&event);
}
}
/***************************************************************
**
** FUNCTION: refreshWindow
**
** DESCRIPTION: Callback routine to handle expose events.
** Causes the window to be refreshed.
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: None.
**
***************************************************************/
static void refreshWindow (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
int i = 8;
register Display *dpy = XtDisplay(w);
register Window window = XtWindow(w);
XEvent event;
/*
** Pseudo Exposure event compression for the Drawing Area Widget
*/
if (XPending(dpy) > 0) {
XPeekEvent(dpy, &event);
if (event.type == Expose && event.xany.window == XtWindow(w)) return;
}
drawProc (w, &i, NULL);
} /* end refreshWindow () */
/***************************************************************
**
** FUNCTION: createProc
**
** DESCRIPTION: Callback routine for widget creation.
** Saves the widget id
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: None.
**
***************************************************************/
static void createProc (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
int widgetNum = *(int *) clientData;
switch (widgetNum)
{
case cMainDrawArea: AppData.drawingArea = w; break;
case cTimingText0: AppData.timing0 = w; break;
case cTimingText1: AppData.timing1 = w; break;
case cTimingText2: AppData.timing2 = w; break;
case cTimingText3: AppData.timing3 = w; break;
case cTimingText4: AppData.timing4 = w; break;
case cTimingText5: AppData.timing5 = w; break;
case cTimingText6: AppData.timing6 = w; break;
case cButton3: AppData.button3 = w; break;
case cTraceToggle:
if (AppData.trace) XtVaSetValues (w, XmNset, True, NULL);
break;
} /* end switch */
} /* end createProc () */
/***************************************************************
**
** FUNCTION: quitApp
**
** DESCRIPTION: Callback routine for "quit" command menu
** selection. Exits from the application.
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: Returns to OS.
**
***************************************************************/
static void quitApp (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
XtDestroyApplicationContext(XtWidgetToApplicationContext(w));
exit (0);
} /* end quitApp () */
/***************************************************************
**
** FUNCTION: traceProc
**
** DESCRIPTION: Callback routine for the trace toggle button.
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: None.
**
***************************************************************/
static void traceProc (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
XmToggleButtonCallbackStruct *toggle =
(XmToggleButtonCallbackStruct *) callData;
/*
** Change the state of the toggle button
*/
XDPSChainTextContext (AppData.dpsCtxt, toggle->set);
} /* end traceProc () */
/***************************************************************
**
** FUNCTION: setTimingValue
**
** DESCRIPTION: Routine to set timing value in options box.
**
** PARAMETERS:
** w label widget to change
** iTime timing value
**
** RETURN: None.
**
***************************************************************/
void setTimingValue (w, iTime)
Widget w;
long iTime;
{
char cTime [15];
XEvent event;
if (iTime == 0) strcpy (cTime, " ");
else sprintf (cTime, "%d", iTime);
XtVaSetValues (w,
XmNlabelString, XmStringCreateSimple(cTime),
NULL);
}
/***************************************************************
**
** FUNCTION: doDraw
**
** DESCRIPTION: Draw using a method and update timing window
**
** PARAMETERS: timing timing window to update
** proc drawingProcedure
**
** RETURN: None.
**
***************************************************************/
static void doDraw(timing, proc)
Widget timing;
void (*proc)();
{
struct timeval start;
setTimingValue (timing, 0);
erasePage();
DPSWaitContext(AppData.dpsCtxt);
markStartTime (&start);
(*proc) ();
DPSWaitContext(AppData.dpsCtxt);
setTimingValue (timing, getElapsedTime(&start));
}
/***************************************************************
**
** FUNCTION: flushTiming
**
** DESCRIPTION: Forces an update of the timing windows by syncing and
** dispatching the resulting Expose events. Yuck
**
** PARAMETERS: dpy Display to flush
**
** RETURN: None.
**
***************************************************************/
static void flushTiming(dpy)
Display *dpy;
{
XEvent event;
XSync(dpy, False);
while (XtAppPending(AppData.appContext)) {
XtAppNextEvent(AppData.appContext, &event);
if (!XDPSDispatchEvent(&event)) (void) XtDispatchEvent (&event);
}
XFlush(dpy);
}
/***************************************************************
**
** FUNCTION: drawProc
**
** DESCRIPTION: Callback routine for redraw button pushed.
** Redraws the patterns and displays the time.
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: None.
**
***************************************************************/
static void drawProc (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
int buttonNum = *(int *) clientData;
int i;
if (AppData.numPoints == 0) return;
/*
** Redraw the points
*/
switch (buttonNum)
{
case 0: /* draw basic points */
doDraw(AppData.timing0, drawBasic);
break;
case 1: /* draw cached user path */
doDraw(AppData.timing1, drawUserCache);
break;
case 2: /* draw user path */
doDraw(AppData.timing2, drawUserPath);
break;
case 3: /* draw using rectangle operators */
doDraw(AppData.timing3, drawRectOp);
break;
case 4: /* draw with pixmaps */
doDraw(AppData.timing4, drawPixmaps);
break;
case 5: /* draw with show */
doDraw(AppData.timing5, drawShow);
break;
case 6: /* draw with xyshow */
doDraw(AppData.timing6, drawXYShow);
break;
case 7: /* draw all */
for (i = 0; i < 7; i++) {
if (i != 3 || XtIsSensitive(AppData.button3)) {
drawProc (w, &i, callData);
} else setTimingValue(AppData.timing3, 0);
flushTiming (XtDisplay(w));
}
break;
case 8: /* special for expose events */
erasePage();
drawXYShow();
break;
}
} /* end methodsProc () */
/***************************************************************
**
** FUNCTION: numPointsSel
**
** DESCRIPTION: Callback routine for number of points selection.
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: None.
**
***************************************************************/
static void numPointsSel (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
int num = *(int *) clientData;
XmToggleButtonCallbackStruct *toggle =
(XmToggleButtonCallbackStruct *) callData;
/*
** Change the lines to draw count
*/
if (toggle->set) AppData.numPoints = num;
else AppData.numPoints = 0;
/*
** Choose a new starting index to instill a little change
** in the display
*/
AppData.index = (random() % (MAX_POINTS - AppData.numPoints + 1)) * 2;
} /* end numPointsSel () */
/***************************************************************
**
** FUNCTION: pointTypeSel
**
** DESCRIPTION: Callback routine for number of points selection.
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: None.
**
***************************************************************/
static void pointTypeSel (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
int num = *(int *) clientData;
XmToggleButtonCallbackStruct *toggle =
(XmToggleButtonCallbackStruct *) callData;
/*
** Change the lines to draw count
*/
if (toggle->set) {
switch (num) {
case 0: /* selected filled rectangles */
setRectFill ();
XtSetSensitive(AppData.button3, True);
break;
case 1: /* selected X's */
setX ();
XtSetSensitive(AppData.button3, False);
break;
case 2: /* selected empty rectangles */
setRectOpen ();
XtSetSensitive(AppData.button3, True);
break;
case 3: /* selected crosses */
setCross ();
XtSetSensitive(AppData.button3, False);
break;
}
}
} /* end pointTypeSel () */
/***************************************************************
**
** FUNCTION: devIndepSel
**
** DESCRIPTION: Callback routine for device independence selection.
**
** PARAMETERS: w callback widget ID
** clientData callback client data
** callData callback Motif data structure
**
** RETURN: None.
**
***************************************************************/
static void devIndepSel (w, clientData, callData)
Widget w;
XtPointer clientData, callData;
{
XmToggleButtonCallbackStruct *toggle =
(XmToggleButtonCallbackStruct *) callData;
/*
** Change the device independence toggle button setting
*/
AppData.devIndependent = toggle->set;
} /* end devIndepSel () */
/***************************************************************
**
** FUNCTION: markStartTime
**
** DESCRIPTION: routine to set the start time of the DPS drawing method
**
** PARAMETERS:
** startTime - pointer to struct timeval where current time is stored
**
** RETURN: None.
**
***************************************************************/
static void markStartTime (startTime)
struct timeval *startTime;
{
struct timezone timeZone;
gettimeofday (startTime, &timeZone);
}
/***************************************************************
**
** FUNCTION: getElapsedTime
**
** DESCRIPTION: Returns milliseconds since startTime
**
** PARAMETERS:
** startTime - pointer to struct timeval where the start time is kept
**
** RETURN:
** long - the elapsed time since the start in milliseconds
**
***************************************************************/
static long getElapsedTime (startTime)
struct timeval *startTime;
{
struct timezone timeZone;
struct timeval finishTime;
long elapsedSeconds, elapsedMicroseconds;
gettimeofday (&finishTime, &timeZone);
elapsedSeconds = finishTime.tv_sec - startTime->tv_sec;
elapsedMicroseconds = finishTime.tv_usec - startTime->tv_usec;
return ((long)(elapsedSeconds * 1000 + (elapsedMicroseconds/1000)));
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.