SDSU CS 596 OODP
XForms and Make

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San Diego State University -- This page last updated November 6, 1995
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Contents of XForms and Make Lecture

  1. Sources for Examples
  2. Free Object and OK Animation
    1. Source Code in One File
    2. Makefile
    3. Source Code in Several Files
      1. LCircle.hh
      2. LCircle.cc
      3. Main.cc
      4. Makefile
  3. Makefile and FDesign
    1. Makefile
    2. Files Generated by Fdesign
      1. button.h
      2. button.c
      3. button_cb.c
      4. button_main.c

Sources for Examples


The following examples can be found in
/home/ma/whitney/xformExamples

on Rohan.

Free Object and OK Animation

Source Code in One File 

#include <iostream.h>
#include <string.h>
#include "forms.h"

class LCircle {
	public:
		LCircle( int x = 0, int y = 0, 
				int initalRadius = 1, int initialColor = 1 );
		void setCenter( int x, int y );
		void setY( int y);
		void setColor( int newColor );
		int getY();
		int getX() { return  xCoordinate;};
		void draw( int xOffSet, int yOffSet );
	private:
		int xCoordinate;
		int yCoordinate;
		int radius;
		int color;
};

LCircle :: LCircle(int x, int y, int initalRadius , int initialColor ) {
	xCoordinate = x;
	yCoordinate = y;
	radius = initalRadius;
	color = initialColor;
}

void LCircle :: setY( int y) { 
	yCoordinate = y; 
};

void LCircle :: setColor( int newColor ) {
	color = newColor ; 
};

int  LCircle :: getY( ) {
	return yCoordinate;
};

void LCircle :: setCenter( int x, int y ) {
	xCoordinate = x;
	yCoordinate = y;
};

void LCircle :: draw( int xOffSet, int yOffSet ) {
	fl_circf( xCoordinate + xOffSet, 
			yCoordinate  + yOffSet , radius, color ); 
}
//Moving Circles Handler

LCircle  followMouse(20, 20, 20, FL_RED );


int freePeiceHandler( FL_OBJECT*  freeObject, int event,
					FL_Coord mouseX, FL_Coord mouseY,
					int key, void* xEvent) 
{
	switch ( event ) {
	case FL_DRAW:
		fl_rectf( 20, 100, 360, 180, FL_GREEN );  //
		followMouse.draw( 0, 0 );
		break;

	case FL_PUSH:
		cout << " Mouse Pressed, Start Drawing " << endl;
		break;

	case FL_RELEASE:
		cout << " Mouse Released, Stop Drawing " << endl;
		break;

	case FL_MOUSE:
		if ( 	mouseX == followMouse.getX() && 
			mouseY == followMouse.getY())
			break;

		followMouse.setCenter( mouseX, mouseY );
		fl_redraw_object( freeObject );
		break;
	};
	return 0;
};

 void yesButtonPressed( FL_OBJECT*  theButton, long NotUsed) {
	cout << " Test button \n" << endl;}


//Moving Circles Main


int  main( int argc,  char *argv[] )
{
	FL_FORM *form;
	FL_OBJECT  *button,  *free;
	fl_initialize( argv[0],  "FormDemo",  0,  0 , &argc,  argv );

	form = fl_bgn_form( FL_UP_BOX, 400, 300 );
		fl_add_frame(FL_DOWN_FRAME, 20, 20, 360, 180, "");

		free= fl_add_free( FL_NORMAL_FREE, 
			20, 20, 360, 180, "The Peices",  freePeiceHandler );
		fl_set_object_boxtype( free, FL_FLAT_BOX );

		button = fl_add_button( FL_NORMAL_BUTTON, 
						170, 210, 60, 30, "Exit" );
		button = fl_add_button( FL_NORMAL_BUTTON, 
						100, 210, 60, 30, "test" );
		fl_set_object_callback( button, yesButtonPressed, 0 );

	fl_end_form(	);

	fl_show_form( form, FL_PLACE_CENTER, 
					FL_FULLBORDER, NULL );
	fl_do_forms(	);
	return 0;
}

Makefile

CFLAGS = -O 

LIB     = -L/opt/xforms/FORMS -lforms  -L/opt/X11R5/lib -lX11  -lnsl -lsocket -lm 

INCL    = -I/opt/xforms/FORMS  -I/opt/X11R5/lib

CC      = CC

.c.o:
	$(CC) $(CFLAGS) $(INCL) -c $*.c

.o:
	$(CC) $(CFLAGS) -o $* $*.o $(LIB)

.c:
	$(CC) $(CFLAGS) $(INCL) -c $*.c
	$(CC) $(CFLAGS) -o $* $*.o $(LIB)

clean:
	rm *.o

Source Code in Several Files

LCircle.hh

#ifndef	_LCircle_HH
#define	_LCircle_HH


class LCircle {
	public:
		LCircle( int x = 0, int y = 0, 
				int initalRadius = 1, int initialColor = 1 );
		void setCenter( int x, int y );
		void setY( int y);
		void setColor( int newColor );
		int getY();
		int getX() { return  xCoordinate;};
		void draw( int xOffSet, int yOffSet );
	private:
		int xCoordinate;
		int yCoordinate;
		int radius;
		int color;
};

#endif

LCircle.cc

#include "LCircle.hh"
#include <iostream.h>
#include <string.h>
#include "forms.h"

LCircle :: LCircle(int x, int y, int initalRadius , int initialColor ) {
	xCoordinate = x;
	yCoordinate = y;
	radius = initalRadius;
	color = initialColor;
}

void LCircle :: setY( int y) { 
	yCoordinate = y; 
};

void LCircle :: setColor( int newColor ) {
	color = newColor ; 
};

int  LCircle :: getY( ) {
	return yCoordinate;
};

void LCircle :: setCenter( int x, int y ) {
	xCoordinate = x;
	yCoordinate = y;
};

void LCircle :: draw( int xOffSet, int yOffSet ) {
	fl_circf( xCoordinate + xOffSet, 
			yCoordinate  + yOffSet , radius, color ); 
}

Main.cc


#include "LCircle.hh"
#include <iostream.h>
#include <string.h>
#include "forms.h"

//Moving Circles Handler

LCircle  followMouse(20, 20, 20, FL_RED );

int freePeiceHandler( FL_OBJECT*  freeObject, int event,
					FL_Coord mouseX, FL_Coord mouseY,
					int key, void* xEvent) 
{
	switch ( event ) {
	case FL_DRAW:
		fl_rectf( 20, 100, 360, 180, FL_GREEN );  //
		followMouse.draw( 0, 0 );
		break;

	case FL_PUSH:
		cout << " Mouse Pressed, Start Drawing " << endl;
		break;

	case FL_RELEASE:
		cout << " Mouse Released, Stop Drawing " << endl;
		break;

	case FL_MOUSE:
		if ( 	mouseX == followMouse.getX() && 
			mouseY == followMouse.getY())
			break;

		followMouse.setCenter( mouseX, mouseY );
		fl_redraw_object( freeObject );
		break;
	};
	return 0;
};

 void yesButtonPressed( FL_OBJECT*  theButton, long NotUsed) {
	cout << " Test button \n" << endl;}


int  main( int argc,  char *argv[] )
{
	FL_FORM *form;
	FL_OBJECT  *button,  *free;
	fl_initialize( argv[0],  "FormDemo",  0,  0 , &argc,  argv );

	form = fl_bgn_form( FL_UP_BOX, 400, 300 );
		fl_add_frame(FL_DOWN_FRAME, 20, 20, 360, 180, "");

		free= fl_add_free( FL_NORMAL_FREE, 
			20, 20, 360, 180, "The Peices",  freePeiceHandler );
		fl_set_object_boxtype( free, FL_FLAT_BOX );

		button = fl_add_button( FL_NORMAL_BUTTON, 
						170, 210, 60, 30, "Exit" );
		button = fl_add_button( FL_NORMAL_BUTTON, 
						100, 210, 60, 30, "test" );
		fl_set_object_callback( button, yesButtonPressed, 0 );

	fl_end_form(	);

	fl_show_form( form, FL_PLACE_CENTER, 
					FL_FULLBORDER, NULL );
	fl_do_forms(	);
	return 0;
}

Makefile

LIB		= -L/opt/xforms/FORMS -lforms  \
		-L/opt/X11R5/lib -lX11  -lnsl -lsocket -lm

INCL	= -I/opt/xforms/FORMS  -I/opt/X11R5/lib

CC		= g++

all: LCircle.o  main.cc
	$(CC)  $(INCL)  LCircle.o main.cc -o main $(LIB)

LCircle.o: LCircle.cc LCircle.hh
	$(CC)  $(INCL)  LCircle.cc -c

clean:
	rm *.o main

Makefile and FDesign

Makefile

LIB		= -L/opt/xforms/FORMS -lforms  \
		-L/opt/X11R5/lib -lX11  -lnsl -lsocket -lm

INCL	= -I/opt/xforms/FORMS  -I/opt/X11R5/lib

CC		= g++

all: button.o  button_main.c
	$(CC)  $(INCL)  button.o button_main.c -o main $(LIB)

button.o: button.c button_cb.c button.h
	$(CC)  $(INCL)  button.c -c

clean:
	rm *.o

Files Generated by Fdesign

button.h

#ifndef FD_buttonTest_h_
#define FD_buttonTest_h_
/* Header file generated with fdesign. */

/**** Callback routines ****/

extern void buttonPushed(FL_OBJECT *, long);


/**** Forms and Objects ****/

typedef struct {
        FL_FORM *buttonTest;
        FL_OBJECT *PushButton;
        void *vdata;
        long ldata;
} FD_buttonTest;

extern FD_buttonTest * create_form_buttonTest(void);

#endif /* FD_buttonTest_h_ */

button.c

/* Form definition file generated with fdesign. */

#include <string.h>		// Added by R. Whitney
#include "forms.h"
#include "button.h"
#include "button_cb.c"		// Added by R. Whitney

const int notUsed = 0;		// Added by R. Whitney

FD_buttonTest *create_form_buttonTest(void)
{
  FL_OBJECT *obj;
  FD_buttonTest *fdui = (FD_buttonTest *) 
					fl_calloc(1, sizeof( FD_buttonTest ) );

  fdui->buttonTest = fl_bgn_form(FL_NO_BOX, 320, 250);
  obj = fl_add_box(FL_UP_BOX,0,0,320,250,"");
  fdui->PushButton = obj = fl_add_button( FL_NORMAL_BUTTON, 
						80, 80, 160, 100, "Push Me ");
    fl_set_button_shortcut(obj,"x",1);
    fl_set_object_callback(obj,buttonPushed,notUsed);
  fl_end_form();

  return fdui;
}
/*---------------------------------------*/

button_cb.c

#include "forms.h"
#include "button.h"

/* callbacks for form buttonTest */
void buttonPushed(FL_OBJECT *ob, long data)
{
  /* fill-in code for callback */
}

button_main.c

#include <string.h>		// Added by R. Whitney
#include "forms.h"
#include "button.h"

int main(int argc, char *argv[])
{
   FD_buttonTest *fd_buttonTest;

   fl_initialize(argv[0], 0, 0, 0, &argc, argv);
   fd_buttonTest = create_form_buttonTest();

   /* fill-in form initialization code */

   /* show the first form */
   fl_show_form( fd_buttonTest->buttonTest, FL_PLACE_CENTER, 
				FL_FULLBORDER, "buttonTest");
   fl_do_forms();
   return 0;
}

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