====== Projekt 1 ======
[[http://www.flickr.com/photos/pitel/5210871835|{{ http://farm5.static.flickr.com/4111/5210871835_7a262a0a1d.jpg |draw by Pitel, on Flickr}}]]

<file c draw.c>
#include <X11/Intrinsic.h>
#include <Xm/Xm.h> 
#include <Xm/MainW.h> 
#include <Xm/Form.h> 
#include <Xm/Frame.h>
#include <Xm/DrawingA.h>
#include <Xm/PushB.h>
#include <Xm/RowColumn.h>
#include <Xm/MessageB.h>
#include <Xm/Protocols.h>
#include <X11/Xmu/Editres.h>
#include <stdio.h>
#include <stdlib.h>

GC inputGC;				/* GC used for final drawing and GC used for drawing current position */
Widget question;
int x1, y1, x2, y2;			/* input points */
unsigned short button_pressed = 0;	/* input state */
Colormap cmap;
short fill = 0;
XColor red, green, blue, black, white;
XColor *lineFgColor = &black;
XColor *lineBgColor = &white;
XColor *fillFgColor = &red;
XColor *fillBgColor = &blue;
unsigned int line_width = 0;
int line_style = LineSolid;
int cap_style = CapButt;
int join_style = JoinMiter;

typedef enum toolkit {POINT, LINE, RECTANGLE, ELLIPSE} toolkit;
toolkit tool = LINE;

struct drawing {
	toolkit tool;
	GC gc;
	short fill;
	XColor fillColor;
	int x1, y1, x2, y2;
};
struct drawing *drawings = NULL;
size_t allocated = 1;
size_t ndrawings = 0;

/* Save drawing */
void saveDrawing(Widget w) {
	ndrawings++;
	if (allocated <= ndrawings) {
		drawings = (struct drawing *) realloc(drawings, 2 * allocated * sizeof(struct drawing));
		if (drawings != NULL) {
			allocated *= 2;
		} else {
			fprintf(stderr, "Can't allocate more drawings!\n");
			exit(1);
		}
	}
	drawings[ndrawings - 1].gc = XCreateGC(XtDisplay(w), XtWindow(w), 0, NULL);
	XSetForeground(XtDisplay(w), drawings[ndrawings - 1].gc, lineFgColor->pixel);
	XSetBackground(XtDisplay(w), drawings[ndrawings - 1].gc, lineBgColor->pixel);
	XCopyGC(XtDisplay(w), inputGC, GCLineWidth | GCLineStyle, drawings[ndrawings - 1].gc);
	drawings[ndrawings - 1].tool = tool;
	drawings[ndrawings - 1].x1 = x1;
	drawings[ndrawings - 1].x2 = x2;
	drawings[ndrawings - 1].y1 = y1;
	drawings[ndrawings - 1].y2 = y2;
	drawings[ndrawings - 1].fill = fill;
	drawings[ndrawings - 1].fillColor = *fillFgColor;
	drawings[ndrawings].gc = NULL;	/* Sentinel */
}

/* Input event handler */
void DrawEH(Widget w, XtPointer client_data, XEvent *event, Boolean *cont) {
	Pixel fg, bg;
	if (button_pressed) {
		if (!inputGC) {
			inputGC = XCreateGC(XtDisplay(w), XtWindow(w), 0, NULL);
			/*XSetPlaneMask(XtDisplay(w), inputGC, ~0);*/
		}
		XtVaGetValues(w, XmNforeground, &fg, XmNbackground, &bg, NULL);
		XSetForeground(XtDisplay(w), inputGC, bg ^ lineFgColor->pixel);
		XSetBackground(XtDisplay(w), inputGC, bg ^ lineBgColor->pixel);
		XSetLineAttributes(XtDisplay(w), inputGC, line_width, line_style, cap_style, join_style);
		if (button_pressed > 1) {
			XSetFunction(XtDisplay(w), inputGC, GXxor);
			/* Kreslime znovu ten samy objekt pres sebe, cimz ho smazeme */
			switch (tool) {
				case LINE:
					XDrawLine(XtDisplay(w), XtWindow(w), inputGC, x1, y1, x2, y2);
					break;
				case RECTANGLE:
					if (fill) {
						XSetForeground(XtDisplay(w), inputGC, bg ^ fillFgColor->pixel);
						XFillRectangle(XtDisplay(w), XtWindow(w), inputGC, (x1 < x2) ? x1 : x2, (y1 < y2) ? y1 : y2, abs(x2 - x1), abs(y2 - y1));
						XSetForeground(XtDisplay(w), inputGC, bg ^ lineFgColor->pixel);
					}
					XDrawRectangle(XtDisplay(w), XtWindow(w), inputGC, (x1 < x2) ? x1 : x2, (y1 < y2) ? y1 : y2, abs(x2 - x1), abs(y2 - y1));
					break;
				case ELLIPSE:
					if (fill) {
						XSetForeground(XtDisplay(w), inputGC, bg ^ fillFgColor->pixel);
						XFillArc(XtDisplay(w), XtWindow(w), inputGC, x1 - abs(x2 - x1), y1 - abs(y2 - y1), abs(x2 - x1) * 2, abs(y2 - y1) * 2, 0, 360 * 64);
						XSetForeground(XtDisplay(w), inputGC, bg ^ lineFgColor->pixel);
					}
					XDrawArc(XtDisplay(w), XtWindow(w), inputGC, x1 - abs(x2 - x1), y1 - abs(y2 - y1), abs(x2 - x1) * 2, abs(y2 - y1) * 2, 0, 360 * 64);
					break;
				default:
					break;
			}
		} else {
			/* remember first MotionNotify */
			button_pressed = 2;
		}
		x2 = event->xmotion.x;
		y2 = event->xmotion.y;
		switch (tool) {
			case LINE:
				XDrawLine(XtDisplay(w), XtWindow(w), inputGC, x1, y1, x2, y2);
				break;
			case RECTANGLE:
				if (fill) {
					XSetForeground(XtDisplay(w), inputGC, bg ^ fillFgColor->pixel);
					XFillRectangle(XtDisplay(w), XtWindow(w), inputGC, (x1 < x2) ? x1 : x2, (y1 < y2) ? y1 : y2, abs(x2 - x1), abs(y2 - y1));
					XSetForeground(XtDisplay(w), inputGC, bg ^ lineFgColor->pixel);
				}
				XDrawRectangle(XtDisplay(w), XtWindow(w), inputGC, (x1 < x2) ? x1 : x2, (y1 < y2) ? y1 : y2, abs(x2 - x1), abs(y2 - y1));
				break;
			case ELLIPSE:
				if (fill) {
					XSetForeground(XtDisplay(w), inputGC, bg ^ fillFgColor->pixel);
					XFillArc(XtDisplay(w), XtWindow(w), inputGC, x1 - abs(x2 - x1), y1 - abs(y2 - y1), abs(x2 - x1) * 2, abs(y2 - y1) * 2, 0, 360 * 64);
					XSetForeground(XtDisplay(w), inputGC, bg ^ lineFgColor->pixel);
				}
				XDrawArc(XtDisplay(w), XtWindow(w), inputGC, x1 - abs(x2 - x1), y1 - abs(y2 - y1), abs(x2 - x1) * 2, abs(y2 - y1) * 2, 0, 360 * 64);
				break;
			default:
				saveDrawing(w);
				XDrawPoint(XtDisplay(w), XtWindow(w), inputGC, x2, y2);
		}
	}
}

/* Save callback function */
void SaveCB(Widget w, XtPointer client_data, XtPointer call_data) {
	XmDrawingAreaCallbackStruct *d = (XmDrawingAreaCallbackStruct*) call_data;
	switch (d->event->type) {
		case ButtonPress:
			if (d->event->xbutton.button == Button1) {
				button_pressed = 1;
				x1 = d->event->xbutton.x;
				y1 = d->event->xbutton.y;
			}
			break;
		case ButtonRelease:
			if (d->event->xbutton.button == Button1) {
				saveDrawing(w);
				button_pressed = 0;
				XClearArea(XtDisplay(w), XtWindow(w), 0, 0, 0, 0, True);	/* Force expose */
			}
			break;
	}
}

/* "Expose" callback function */
void ExposeCB(Widget w, XtPointer client_data, XtPointer call_data) {
	size_t i = 0;
	XGCValues lineColor;
	for (; i < ndrawings; i++) {
		x1 = drawings[i].x1;
		x2 = drawings[i].x2;
		y1 = drawings[i].y1;
		y2 = drawings[i].y2;
		if (drawings[i].fill) {
			XGetGCValues(XtDisplay(w), drawings[i].gc, GCForeground, &lineColor);
		}
		switch (drawings[i].tool) {
			case LINE:
				XDrawLine(XtDisplay(w), XtWindow(w), drawings[i].gc, x1, y1, x2, y2);
				break;
			case RECTANGLE:
				if (drawings[i].fill) {
					XSetForeground(XtDisplay(w), drawings[i].gc, drawings[i].fillColor.pixel);
					XFillRectangle(XtDisplay(w), XtWindow(w), drawings[i].gc, (x1 < x2) ? x1 : x2, (y1 < y2) ? y1 : y2, abs(x2 - x1), abs(y2 - y1));
					XSetForeground(XtDisplay(w), drawings[i].gc, lineColor.foreground);
				}
				XDrawRectangle(XtDisplay(w), XtWindow(w), drawings[i].gc, (x1 < x2) ? x1 : x2, (y1 < y2) ? y1 : y2, abs(x2 - x1), abs(y2 - y1));
				break;
			case ELLIPSE:
				if (drawings[i].fill) {
					XSetForeground(XtDisplay(w), drawings[i].gc, drawings[i].fillColor.pixel);
					XFillArc(XtDisplay(w), XtWindow(w), drawings[i].gc, x1 - abs(x2 - x1), y1 - abs(y2 - y1), abs(x2 - x1) * 2, abs(y2 - y1) * 2, 0, 360 * 64);
					XSetForeground(XtDisplay(w), drawings[i].gc, lineColor.foreground);
				}
				XDrawArc(XtDisplay(w), XtWindow(w), drawings[i].gc, x1 - abs(x2 - x1), y1 - abs(y2 - y1), abs(x2 - x1) * 2, abs(y2 - y1) * 2, 0, 360 * 64);
				break;
			case POINT:
				XDrawPoint(XtDisplay(w), XtWindow(w), drawings[i].gc, x1, y1);
				XDrawPoint(XtDisplay(w), XtWindow(w), drawings[i].gc, x2, y2);
				break;
			default:
				fprintf(stderr, "Unknown tool!\n");
		}
	}
}

/* "Clear" button callback function */
void ClearCB(Widget w, XtPointer client_data, XtPointer call_data) {
	Widget wcd = (Widget) client_data;
	ndrawings = 0;
	XClearWindow(XtDisplay(wcd), XtWindow(wcd));
}

/* Nastaveni nastroje */
void setTool(Widget w, XtPointer newtool, XtPointer call_data) {
	tool = (toolkit) newtool;
}

/* Nastaveni barvy popredi */
void setColor(Widget w, XtPointer color, XtPointer call_data) {
	unsigned long pixel = (*((XColor**)color))->pixel;	/* I can't touch the stars :'( */
	if (pixel == black.pixel) {
		*((XColor**) color) = &white;
	} else if (pixel == white.pixel) {
		*((XColor**) color) = &red;
	} else if (pixel == red.pixel) {
		*((XColor**) color) = &green;
	} else if (pixel == green.pixel) {
		*((XColor**) color) = &blue;
	} else if (pixel == blue.pixel) {
		*((XColor**) color) = &black;
	}
	/*fprintf(stderr, "%u %u %u\n", (*((XColor**)color))->red, (*((XColor**)color))->green, (*((XColor**)color))->blue);*/
	XtVaSetValues(w, XtNforeground, (*((XColor**)color))->pixel, NULL);
}

/* Nastaveni tloustky cary */
void setLineWidth(Widget w, XtPointer client_data, XtPointer call_data) {
	XmString label;
	switch (line_width) {
		case 0:
			line_width = 3;
			label = XmStringCreateSimple("Width 3");
			XtVaSetValues(w, XmNlabelString, label, NULL);
			break;
		case 3:
			line_width = 8;
			label = XmStringCreateSimple("Width 8");
			XtVaSetValues(w, XmNlabelString, label, NULL);
			break;
		default:
			line_width = 0;
			label = XmStringCreateSimple("Width 0");
			XtVaSetValues(w, XmNlabelString, label, NULL);
	}
	XmStringFree(label);
}

/* Nastaveni stylu cary */
void setLineStyle(Widget w, XtPointer client_data, XtPointer call_data) {
	XmString label;
	switch (line_style) {
		case LineSolid:
			line_style = LineDoubleDash;
			label = XmStringCreateSimple("LineDoubleDash");
			XtVaSetValues(w, XmNlabelString, label, NULL);
			break;
		case LineDoubleDash:
			line_style = LineSolid;
			label = XmStringCreateSimple("  LineSolid   ");
			XtVaSetValues(w, XmNlabelString, label, NULL);
			break;
		default:
			label = XmStringCreateSimple("");
	}
	XmStringFree(label);
}

/* Nastaveni vyplnovani */
void setFill(Widget w, XtPointer client_data, XtPointer call_data) {
	XmString label;
	if (fill) {
		fill = 0;
		label = XmStringCreateSimple("Transparent");
	} else {
		fill = 1;
		label = XmStringCreateSimple("  Filled   ");
	}
	XtVaSetValues(w, XmNlabelString, label, NULL);
	XmStringFree(label);
}

/* "Quit" button callback function */
void quitCB(Widget w, XtPointer client_data, XtPointer call_data) {
	XtManageChild(question);
}

/* Konecny callback */
void questionCB(Widget w, XtPointer client_data, XtPointer call_data) {
	size_t i = 0;
	if ((int)client_data) {
		for (; i < allocated; i++) {
			if (drawings != NULL && drawings[i].gc != NULL) {
				XFreeGC(XtDisplay(w), drawings[i].gc);
			} else {
				/*fprintf(stderr, "%lu", i);*/
				break;
			}
		}
		if (inputGC != NULL) {
			XFreeGC(XtDisplay(w), inputGC);
		}
		exit(0);
	}
}

int main(int argc, char **argv) {
	XtAppContext app_context;
	XmString label;
	Atom wm_delete;
	Widget	topLevel,
		mainWin,
			frame,
			drawArea,
			command_window,
				toolbox,
					pointBtn,
					lineBtn,
					rectBtn,
					ellipseBtn,
				colors,
					lineFgBtn,
					lineBgBtn,
					fillFgBtn,
					fillBgBtn,
				style,
					lineSizeBtn,
					lineStyleBtn,
					fillBtn,
				sys,
					quitBtn,
					clearBtn;
	
	char *fallback_resources[] = {
		"*question.dialogTitle: MalĂĄ otĂĄzka",
		"*question.messageString: Konec aplikace?",
		"*question.okLabelString: Ano",
		"*question.cancelLabelString: Ne",
		"*question.messageAlignment: XmALIGNMENT_CENTER",
		NULL
	};
	
	XtSetLanguageProc(NULL, (XtLanguageProc) NULL, NULL);	/* Register the default language procedure */
	topLevel = XtVaAppInitialize(
		&app_context,	/* Application context */
		"Draw",		/* Application class */
		NULL, 0,	/* command line option list */
		&argc, argv,	/* command line args */
		fallback_resources,	/* for missing app-defaults file */
		XmNdeleteResponse, XmDO_NOTHING,
		NULL);		/* terminate varargs list */
	mainWin = XtVaCreateManagedWidget(
		"mainWin",			/* widget name */
		xmMainWindowWidgetClass,	/* widget class */
		topLevel,			/* parent widget */
		XmNcommandWindowLocation, XmCOMMAND_BELOW_WORKSPACE,
		NULL);				/* terminate varargs list */
	frame = XtVaCreateManagedWidget(
		"frame",		/* widget name */
		xmFrameWidgetClass,	/* widget class */
		mainWin,		/* parent widget */
		NULL);			/* terminate varargs list */
	drawArea = XtVaCreateManagedWidget(
		"drawingArea",			/* widget name */
		xmDrawingAreaWidgetClass,	/* widget class */
		frame,				/* parent widget */
		XmNwidth, 320,			/* set startup width */
		XmNheight, 240,			/* set startup height */
		NULL);				/* terminate varargs list */
	command_window = XtVaCreateManagedWidget(
		"Command window",			/* widget name */
		xmRowColumnWidgetClass,			/* widget class */
		mainWin,				/* parent widget */
		NULL);					/* terminate varargs list */
	toolbox = XtVaCreateManagedWidget(
		"Toolbox",				/* widget name */
		xmRowColumnWidgetClass,			/* widget class */
		command_window,				/* parent widget */
		XmNentryAlignment, XmALIGNMENT_CENTER,	/* alignment */
		XmNorientation, XmHORIZONTAL,		/* orientation */
		XmNpacking, XmPACK_COLUMN,		/* packing mode */
		NULL);					/* terminate varargs list */
	colors = XtVaCreateManagedWidget(
		"Color picker",				/* widget name */
		xmRowColumnWidgetClass,			/* widget class */
		command_window,				/* parent widget */
		XmNentryAlignment, XmALIGNMENT_CENTER,	/* alignment */
		XmNorientation, XmHORIZONTAL,		/* orientation */
		XmNpacking, XmPACK_COLUMN,		/* packing mode */
		NULL);					/* terminate varargs list */
	style = XtVaCreateManagedWidget(
		"Style",				/* widget name */
		xmRowColumnWidgetClass,			/* widget class */
		command_window,				/* parent widget */
		XmNentryAlignment, XmALIGNMENT_CENTER,	/* alignment */
		XmNorientation, XmHORIZONTAL,		/* orientation */
		XmNpacking, XmPACK_COLUMN,		/* packing mode */
		NULL);					/* terminate varargs list */
	sys = XtVaCreateManagedWidget(
		"System buttons",			/* widget name */
		xmRowColumnWidgetClass,			/* widget class */
		command_window,				/* parent widget */
		XmNentryAlignment, XmALIGNMENT_CENTER,	/* alignment */
		XmNorientation, XmHORIZONTAL,		/* orientation */
		XmNpacking, XmPACK_COLUMN,		/* packing mode */
		NULL);					/* terminate varargs list */
	clearBtn = XtVaCreateManagedWidget(
		"Clear",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		sys,				/* parent widget */
		NULL);				/* terminate varargs list */
	pointBtn = XtVaCreateManagedWidget(
		"Point",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		toolbox,			/* parent widget */
		NULL);				/* terminate varargs list */
	lineBtn = XtVaCreateManagedWidget(
		"Line",				/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		toolbox,			/* parent widget */
		NULL);				/* terminate varargs list */
	rectBtn = XtVaCreateManagedWidget(
		"Rectangle",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		toolbox,			/* parent widget */
		NULL);				/* terminate varargs list */
	ellipseBtn = XtVaCreateManagedWidget(
		"Ellipse",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		toolbox,			/* parent widget */
		NULL);				/* terminate varargs list */
	lineFgBtn = XtVaCreateManagedWidget(
		"LineFG",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		colors,				/* parent widget */
		NULL);				/* terminate varargs list */
	lineBgBtn = XtVaCreateManagedWidget(
		"LineBG",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		colors,				/* parent widget */
		NULL);				/* terminate varargs list */
	fillFgBtn = XtVaCreateManagedWidget(
		"FillFG",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		colors,				/* parent widget */
		NULL);				/* terminate varargs list */
	fillBgBtn = XtVaCreateManagedWidget(
		"FillBG",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		colors,				/* parent widget */
		NULL);				/* terminate varargs list */
	label = XmStringCreateSimple("Width 0");
	lineSizeBtn = XtVaCreateManagedWidget(
		"LineSize",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		style,				/* parent widget */
		XmNlabelString, label,
		NULL);				/* terminate varargs list */
	XmStringFree(label);
	label = XmStringCreateSimple("  LineSolid   ");
	lineStyleBtn = XtVaCreateManagedWidget(
		"LineStyle",			/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		style,				/* parent widget */
		XmNlabelString, label,
		NULL);				/* terminate varargs list */
	XmStringFree(label);
	label = XmStringCreateSimple("Transparent");
	fillBtn = XtVaCreateManagedWidget(
		"Fill",				/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		style,				/* parent widget */
		XmNlabelString, label,
		NULL);				/* terminate varargs list */
	XmStringFree(label);
	quitBtn = XtVaCreateManagedWidget(
		"Quit",				/* widget name */
		xmPushButtonWidgetClass,	/* widget class */
		sys,				/* parent widget */
		NULL);				/* terminate varargs list */
	
	question = XmCreateQuestionDialog(topLevel, "question", NULL, 0);
	XtVaSetValues(question, XmNdialogStyle, XmDIALOG_FULL_APPLICATION_MODAL, NULL);
	XtUnmanageChild(XmMessageBoxGetChild(question, XmDIALOG_HELP_BUTTON));
	XtAddCallback(question, XmNokCallback, questionCB, (XtPointer) 1);
	/*XtAddCallback(question, XmNcancelCallback, questionCB, (XtPointer) 1);*/
	wm_delete = XInternAtom(XtDisplay(topLevel), "WM_DELETE_WINDOW", False);
	XmAddWMProtocolCallback(topLevel, wm_delete, quitCB, NULL);
	XmActivateWMProtocol(topLevel, wm_delete);
	XtAddEventHandler(topLevel, 0, True, _XEditResCheckMessages, NULL);
	
	XmMainWindowSetAreas(mainWin, NULL, command_window, NULL, NULL, frame);
	
	cmap = DefaultColormap(XtDisplay(drawArea), DefaultScreen(XtDisplay(drawArea)));
	if (
		!XAllocNamedColor(XtDisplay(drawArea), cmap, "red", &red, &red) ||
		!XAllocNamedColor(XtDisplay(drawArea), cmap, "green", &green, &green) ||
		!XAllocNamedColor(XtDisplay(drawArea), cmap, "black", &black, &black) ||
		!XAllocNamedColor(XtDisplay(drawArea), cmap, "white", &white, &white) ||
		!XAllocNamedColor(XtDisplay(drawArea), cmap, "blue", &blue, &blue)
	) {
		fprintf(stderr, "Can't alloc color!\n");
		return 1;
	}
	XtVaSetValues(lineFgBtn, XtNforeground, lineFgColor->pixel, NULL);
	XtVaSetValues(lineBgBtn, XtNforeground, lineBgColor->pixel, NULL);
	XtVaSetValues(fillFgBtn, XtNforeground, fillFgColor->pixel, NULL);
	XtVaSetValues(fillBgBtn, XtNforeground, fillBgColor->pixel, NULL);
	
	XtAddCallback(drawArea, XmNinputCallback, SaveCB, drawArea);
	XtAddEventHandler(drawArea, ButtonMotionMask, False, DrawEH, NULL);
	XtAddCallback(drawArea, XmNexposeCallback, ExposeCB, drawArea);
	XtAddCallback(clearBtn, XmNactivateCallback, ClearCB, drawArea);
	XtAddCallback(lineFgBtn, XmNactivateCallback, setColor, &lineFgColor);
	XtAddCallback(lineBgBtn, XmNactivateCallback, setColor, &lineBgColor);
	XtAddCallback(fillFgBtn, XmNactivateCallback, setColor, &fillFgColor);
	XtAddCallback(fillBgBtn, XmNactivateCallback, setColor, &fillBgColor);
	XtAddCallback(lineSizeBtn, XmNactivateCallback, setLineWidth, NULL);
	XtAddCallback(lineStyleBtn, XmNactivateCallback, setLineStyle, NULL);
	XtAddCallback(fillBtn, XmNactivateCallback, setFill, NULL);
	XtAddCallback(pointBtn, XmNactivateCallback, setTool, (XtPointer)POINT);
	XtAddCallback(lineBtn, XmNactivateCallback, setTool, (XtPointer)LINE);
	XtAddCallback(rectBtn, XmNactivateCallback, setTool, (XtPointer)RECTANGLE);
	XtAddCallback(ellipseBtn, XmNactivateCallback, setTool, (XtPointer)ELLIPSE);
	XtAddCallback(quitBtn, XmNactivateCallback, quitCB, NULL);
	XtRealizeWidget(topLevel);
	XtAppMainLoop(app_context);
	return 0;
}
</file>

<file make Imakefile>
#include <Motif.tmpl>
#include <Motif.rules>

CC=gcc
CCOPTIONS=-O2 -pipe -pedantic-errors -Wall -Wextra -march=native -ansi
CDEBUGFLAGS=-g

LOCAL_LIBRARIES = XmClientLibs $(XMULIB)

MSimpleProgramTarget(draw)

clean::
	$(RM) Makefile
</file>