path: root/src/graph/view2D/control2d.c.pamphlet

\documentclass{article}
\usepackage{axiom}
\begin{document}
\title{\$SPAD/src/graph/view2D control2d.c}
\author{The Axiom Team}
\maketitle
\begin{abstract}
\end{abstract}
\eject
\tableofcontents
\eject
\section{License}
<<license>>=
/*
Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

    - Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

    - Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in
      the documentation and/or other materials provided with the
      distribution.

    - Neither the name of The Numerical ALgorithms Group Ltd. nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
@
<<*>>=
<<license>>

#define _CONTROL2D_C
#include "axiom-c-macros.h"

#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>

#include "header2.h"
#include "buttons2d.H1"
#include "all_2d.H1"
#include "Gfun.H1"
#include "XSpadFill.H1"
#include "util.H1"


#include "mouse11.bitmap"
#include "mouse11.mask"

/* Defines the pixmap for the arrow displayed in the scale window */

#define scaleArrowN 11
static XPoint scaleArrow[scaleArrowN] = {
  {55,14},{64,23},{59,23},
  {66,45},{79,45},
  {55,69},
  {31,45},{44,45},
  {51,23},{46,23},{55,14} };

/* Defines the pixmap for the arrows displayed in the translate window */

#define translateArrowN 25
static XPoint translateArrow[translateArrowN] = {
  {55,2},{60,10},{58,10},{58,37},
  {85,37},{85,35},{93,40},{85,45},{85,43},{58,43},
  {58,70},{60,70},{55,78},{50,70},{52,70},{52,43},
  {25,43}, {25,45}, {17,40},  {25,35}, {25,37}, {52,37},
  {52,10},{50,10},{55,2} };

/****************************
 * void writeControlTitle() *
 ****************************/

void 
#ifdef _NO_PROTO
writeControlTitle()
#else
writeControlTitle(void)
#endif
{

  int strlength;

  s = viewport->title;
  strlength = strlen(s);
  XClearArea(dsply,control->controlWindow,0,0,controlWidth,potA,False);
  GSetForeground(anotherGC,(float)controlTitleColor,Xoption);
  GDrawImageString(anotherGC,control->controlWindow,
		   centerX(anotherGC,s,strlength,controlWidth),
		   15,s,strlength,Xoption);

} /* writeControlTitle() */

void 
#ifdef _NO_PROTO
makeMessageFromData(whichGraph)
int whichGraph;
#else
makeMessageFromData(int whichGraph)
#endif
{
  if (viewport->haveControl) {
    if ((graphStateArray[whichGraph].scaleX) > 99.0) {
      strcpy(scaleXReport,"big");
    } else {
      sprintf(scaleXReport,"%4.1f",graphStateArray[whichGraph].scaleX);
    }
    if ((graphStateArray[whichGraph].scaleY) > 99.0) {
      strcpy(scaleYReport,"big");
    } else {
      sprintf(scaleYReport,"%4.1f",graphStateArray[whichGraph].scaleY);
    }
    if ((graphStateArray[whichGraph].centerX) > 999.0) {
      strcpy(deltaXReport,"+big");
    } else if ((graphStateArray[whichGraph].centerX) < -999.0) {
      strcpy(deltaXReport,"-big");
    } else {
      sprintf(deltaXReport,"%4.0f",
	      -graphStateArray[whichGraph].centerX /
	      graphArray[whichGraph].unitX);
    }
    if ((graphStateArray[whichGraph].centerY) > 999.0) {
      strcpy(deltaYReport,"+big");
    } else if ((graphStateArray[whichGraph].centerY) < -999.0) {
      strcpy(deltaYReport,"-big");
    } else {
      sprintf(deltaYReport,"%4.0f",
	      -graphStateArray[whichGraph].centerY /
	      graphArray[whichGraph].unitY);
    }
    sprintf(viewport->controlPanel->message,"[%s,%s] >%d< [%s,%s]",
	    scaleXReport,scaleYReport,whichGraph+1,deltaXReport,deltaYReport);
  }  /* if haveControl */

} /* makeMessageFromData() */


void 
#ifdef _NO_PROTO
writeControlMessage()
#else
writeControlMessage(void)
#endif
{
  int		     strlength;
  controlPanelStruct *cp;
  XWindowAttributes  cwInfo;

  cp = viewport->controlPanel;
  XGetWindowAttributes(dsply,cp->controlWindow,&cwInfo);
  strlength = strlen(cp->message);



  GDrawImageString(controlMessageGC,cp->controlWindow,
		   centerX(globalGC1,cp->message,strlength,controlWidth),
		   controlMessageY + globalFont->max_bounds.ascent - 2,
		   cp->message,strlength,Xoption);
}

/*********************************/
/***  void drawControlPanel()  ***/
/*********************************/

void 
#ifdef _NO_PROTO
drawControlPanel()
#else
drawControlPanel(void)
#endif
{

  controlPanelStruct *cp;
  int i,strlength;
  char *s;

  cp = viewport->controlPanel;
  /* Draw border lines to separate the potentiometer, message, graph select
     and button regions of the control panel. */
  GSetForeground(trashGC,(float)foregroundColor,Xoption);
  GSetLineAttributes(trashGC,3,LineSolid,CapButt,JoinMiter,Xoption);
  GDrawLine(trashGC, cp->controlWindow, 0, potA, controlWidth, potA, Xoption);
  GSetLineAttributes(trashGC,2,LineSolid,CapButt,JoinMiter,Xoption);
  GDrawLine(trashGC, cp->controlWindow, 0, potB, controlWidth, potB, Xoption);
  GDrawLine(trashGC, cp->controlWindow, 0, messageBot,
	    controlWidth, messageBot, Xoption);
  GDrawLine(trashGC, cp->controlWindow, 0, 286, controlWidth, 286, Xoption);

  /** put the line width as 1 last because used below as well **/
  GSetLineAttributes(trashGC,1,LineSolid,CapButt,JoinMiter,Xoption);
  GDrawRectangle(trashGC,cp->controlWindow,closeLeft,closeTop,
		 (controlWidth-closeLeft+8),(controlHeight-closeTop+8),Xoption);

  /* Write potentiometer titles on the control panel. */
  writeControlTitle();
  GSetForeground(globGC,(float)controlPotHeaderColor,Xoption);
  s = "Scale";
  strlength = strlen(s);
  GDrawString(globGC,cp->controlWindow,
	      centerX(globGC,s,strlength,
		      cp->buttonQueue[scale2D].buttonWidth) +
	      cp->buttonQueue[scale2D].buttonX, 31+headerHeight,s,strlength,Xoption);

  s = "Translate";
  strlength = strlen(s);
  GDrawString(globGC,cp->controlWindow,
	      centerX(globGC,s,strlength,
		      cp->buttonQueue[translate2D].buttonWidth) +
	      cp->buttonQueue[translate2D].buttonX,
	      31+headerHeight,s,strlen(s),Xoption);

  GSetForeground(globGC,(float)controlColorColor,Xoption);

  /* Write title of the graph selection window. */
  s = "Graphs";
  strlength = strlen(s);
  GDrawString(globGC,cp->controlWindow,
	      centerX(globGC,s,strlength,controlWidth),graphHeaderHeight,
	      s,strlength,Xoption);

  /* Write titles on regular buttons and draw pixmaps on potentiometers. */

  for (i=0; i<(maxButtons2D); i++) {
    if ((cp->buttonQueue[i]).pot) {

      GSetForeground(globalGC1,(float)buttonColor,Xoption);
      GDrawRectangle(globalGC1,cp->controlWindow,
		     (cp->buttonQueue[i]).buttonX,
		     (cp->buttonQueue[i]).buttonY,
		     (cp->buttonQueue[i]).buttonWidth,
		     (cp->buttonQueue[i]).buttonHeight,Xoption);

      GSetForeground(trashGC,
		     (float)monoColor((cp->buttonQueue[i]).textColor),Xoption);

      GDrawLine(globalGC1,cp->controlWindow, /* trashGC, */
		(cp->buttonQueue[i]).buttonX + (cp->buttonQueue[i]).xHalf,
		(cp->buttonQueue[i]).buttonY,
		(cp->buttonQueue[i]).buttonX + (cp->buttonQueue[i]).xHalf,
		(cp->buttonQueue[i]).buttonY + 2*(cp->buttonQueue[i]).yHalf,Xoption);
      GDrawLine(globalGC1,cp->controlWindow, /* trashGC, */
		(cp->buttonQueue[i]).buttonX,
		(cp->buttonQueue[i]).buttonY + (cp->buttonQueue[i]).yHalf,
		(cp->buttonQueue[i]).buttonX + 2*(cp->buttonQueue[i]).xHalf,
		(cp->buttonQueue[i]).buttonY + (cp->buttonQueue[i]).yHalf,Xoption);
      switch (i) {
      case scale2D:
	GDrawLines(trashGC,cp->controlWindow,scaleArrow,
		   scaleArrowN,CoordModeOrigin,Xoption);
	break;
      case translate2D:
	GDrawLines(trashGC,cp->controlWindow,translateArrow,
		   translateArrowN,CoordModeOrigin,Xoption);
	break;
      } /* switch i */
    } else if (cp->buttonQueue[i].graphNum) {

      if (mono) {
	if (graphStateArray[i-graphStart].showing) {
	  GSetForeground(graphGC,(float)backgroundColor,Xoption);
	  GSetBackground(graphGC,(float)foregroundColor,Xoption);
	} else {
	  GSetForeground(graphGC,(float)foregroundColor,Xoption);
	  GSetBackground(graphGC,(float)backgroundColor,Xoption);
	}
	strlength = strlen((cp->buttonQueue[i]).text);
	GDrawImageString(graphGC,cp->controlWindow,
			 (cp->buttonQueue[i]).buttonX +
			 centerX(graphGC,cp->buttonQueue[i].text,
				 strlength,(cp->buttonQueue[i]).buttonWidth),
			 (cp->buttonQueue[i]).buttonY +
			 centerY(graphGC,(cp->buttonQueue[i]).buttonHeight),
			 cp->buttonQueue[i].text,strlength,Xoption);
      } else {
	if (graphStateArray[i-graphStart].showing)
	  GSetForeground(graphGC,(float)graphBarShowingColor,Xoption);
	else
	  GSetForeground(graphGC,(float)graphBarHiddenColor,Xoption);
	strlength = strlen((cp->buttonQueue[i]).text);
	GDrawString(graphGC,cp->controlWindow,
		    (cp->buttonQueue[i]).buttonX +
		    centerX(graphGC,cp->buttonQueue[i].text,
			    strlength,(cp->buttonQueue[i]).buttonWidth),
		    (cp->buttonQueue[i]).buttonY +
		    centerY(graphGC,(cp->buttonQueue[i]).buttonHeight),
		    cp->buttonQueue[i].text,strlength,Xoption);
	}
    } else if (cp->buttonQueue[i].graphSelect) {
      /* The select characters are defined as: "^" for on and "-" for off. */
      if (graphStateArray[i-graphSelectStart].selected) {
	GSetForeground(graphGC,(float)graphBarSelectColor,Xoption);
	strcpy((cp->buttonQueue[i]).text,"^");
      } else {
	GSetForeground(graphGC,(float)graphBarNotSelectColor,Xoption);
	*(cp->buttonQueue[i]).text = '-';
	strcpy((cp->buttonQueue[i]).text,"-");
      }
       GDrawString(graphGC,cp->controlWindow,
		 (cp->buttonQueue[i]).buttonX +
		 centerX(graphGC,cp->buttonQueue[i].text,
			 strlength,(cp->buttonQueue[i]).buttonWidth),
		 (cp->buttonQueue[i]).buttonY +
		 centerY(graphGC,(cp->buttonQueue[i]).buttonHeight),
		 cp->buttonQueue[i].text,strlength,Xoption);
    }
    else {  /* a regular button */
      int isOn = 1;

      switch(i) {
	case pointsOnOff:
	  isOn = pointsON = graphStateArray[0].pointsOn;
	  if (graphStateArray[0].pointsOn)
	    strcpy((cp->buttonQueue[i]).text,"Pts On ");
	  else
	    strcpy((cp->buttonQueue[i]).text,"Pts Off");
	  break;

	case spline2D:
	  isOn = splineON = graphStateArray[0].splineOn;
	  if (graphStateArray[0].splineOn)
	    strcpy((cp->buttonQueue[i]).text, "Box On ");
	  else
	    strcpy((cp->buttonQueue[i]).text, "Box Off");
	  break;

	case connectOnOff:
	  isOn = connectON = graphStateArray[0].connectOn;
	  if (graphStateArray[0].connectOn)
	    strcpy((cp->buttonQueue[i]).text, "Lines On ");
	  else
	    strcpy((cp->buttonQueue[i]).text, "Lines Off");
	  break;

	case axesOnOff2D:
	  isOn = axesON = graphStateArray[0].axesOn;
	  if (graphStateArray[0].axesOn)
	    strcpy((cp->buttonQueue[i]).text , "Axes On ");
	  else
	    strcpy((cp->buttonQueue[i]).text , "Axes Off");
	  break;

	case unitsOnOff2D:
	  isOn = unitsON = graphStateArray[0].unitsOn;
	  if (graphStateArray[0].unitsOn)
	   strcpy( (cp->buttonQueue[i]).text , "Units On ");
	  else
	   strcpy( (cp->buttonQueue[i]).text , "Units Off");
	  break;
	case closeAll2D:
	  isOn = 0;

	default:
	  break;
      } /* switch i */

      s = (cp->buttonQueue[i]).text;
      strlength = strlen(s);

      GDrawPushButton(dsply, globalGC1, trashGC, processGC, cp->controlWindow,
	  (cp->buttonQueue[i]).buttonX, (cp->buttonQueue[i]).buttonY,
	  (cp->buttonQueue[i]).buttonWidth, (cp->buttonQueue[i]).buttonHeight,
	  isOn, s,buttonColor,
	  monoColor((cp->buttonQueue[i]).textColor), Xoption);

    } /* else a regular button */
  } /* for each button */

  /* Refresh the latest message */
  makeMessageFromData(0);
  writeControlMessage();
  XFlush(dsply);

}    /*** drawControlPanel ***/

controlXY 
#ifdef _NO_PROTO
getControlXY(whereDoYouWantPanel)
int whereDoYouWantPanel;
#else
getControlXY(int whereDoYouWantPanel)
#endif
{
  XWindowAttributes wAttr, wAttrib;
  controlXY	    cXY;
  int		    tmp=1;
  Window	    rootW, parentW, *childrenWs, tmpW;
  unsigned int	    nChildren;

  tmpW = viewport->titleWindow;
  while(tmp) {
    XQueryTree(dsply,tmpW,&rootW,&parentW,&childrenWs,&nChildren);
    XFree(childrenWs);
    if (parentW == rtWindow) tmp = 0;
    else tmpW = parentW;
  }
  XGetWindowAttributes(dsply,tmpW,&wAttrib);

  XGetWindowAttributes(dsply,viewport->titleWindow,&wAttr);
  if (whereDoYouWantPanel) {
    switch (whereDoYouWantPanel) {
    case 1: /* right */
      cXY.putX = wAttrib.x + wAttrib.width;
      cXY.putY = wAttrib.y;
      break;
    case 2: /* bottom */
      cXY.putX = wAttrib.x + (wAttr.width - controlWidth)/2;  /* center it */
      cXY.putY = wAttrib.y + wAttrib.height;
      break;
    case 3: /* left */
      cXY.putX = wAttrib.x - controlWidth - borderWidth;
      cXY.putY = wAttrib.y;
      break;
    case 4: /* top */
      cXY.putX = wAttrib.x + (wAttr.width - controlWidth)/2;
      cXY.putY = wAttrib.y - controlHeight - borderHeight;
    }
  } else {
    if ((physicalWidth - (wAttrib.x + wAttr.width)) >= controlWidth) {
      cXY.putX = wAttrib.x + wAttrib.width;
      cXY.putY = wAttrib.y;
    } else if ((physicalHeight - (wAttrib.y + wAttr.height)) >=
	       controlHeight) {
      cXY.putX = wAttrib.x + (wAttr.width - controlWidth)/2;
      cXY.putY = wAttrib.y + wAttrib.height;
    } else if (wAttrib.x >= controlWidth) {
      cXY.putX = wAttrib.x - controlWidth - borderWidth;
      cXY.putY = wAttrib.y;
    } else if (wAttrib.y >= controlHeight) {
      cXY.putX = wAttrib.x + (wAttr.width - controlWidth)/2;
      cXY.putY = wAttrib.y - controlHeight - borderHeight;
    } else {			   /* put inside of viewport */
      cXY.putX = wAttrib.x + wAttr.width - controlWidth;
      cXY.putY = wAttrib.y + wAttr.height - controlHeight;
    }
  }
  return(cXY);

}

/************************************************/
/***  controlPanelStruct *makeControlPanel()  ***/
/************************************************/

controlPanelStruct *
#ifdef _NO_PROTO
makeControlPanel()
#else
makeControlPanel(void)
#endif
{

  Window cw;
  int		       i,num;
  controlPanelStruct   *control;
  buttonStruct	       *buttons;
  controlXY	       cXY;
  XSetWindowAttributes cwAttrib, controlAttrib;
  XSizeHints	       sizehints;
  Pixmap	       mousebits,mousemask;
  XColor	       foreColor, backColor;

  if (!(control = (controlPanelStruct *)malloc(sizeof(controlPanelStruct)))) {
    fprintf(stderr,"Ran out of memory trying to create a control panel.\n");
    exitWithAck(RootWindow(dsply,scrn),Window,-1);
  }

  cXY = getControlXY(0);

  /* Define and assign a mouse cursor. */
  mousebits = XCreateBitmapFromData(dsply,rtWindow,mouseBitmap_bits,
				    mouseBitmap_width,mouseBitmap_height);
  mousemask = XCreateBitmapFromData(dsply,rtWindow,mouseMask_bits,
				    mouseMask_width,mouseMask_height);
  cwAttrib.background_pixel = backgroundColor; /* controlBackground; */
  cwAttrib.border_pixel = foregroundColor;
  cwAttrib.backing_store = WhenMapped;
  cwAttrib.event_mask = controlMASK;
  cwAttrib.colormap = colorMap;
  cwAttrib.override_redirect = overrideManager;
  foreColor.pixel = controlCursorForeground;
  XQueryColor(dsply,colorMap,&foreColor);
  backColor.pixel = controlCursorBackground;
  XQueryColor(dsply,colorMap,&backColor);
  cwAttrib.cursor = XCreatePixmapCursor(dsply,mousebits,mousemask,
					&foreColor,&backColor,
					mouseBitmap_x_hot,mouseBitmap_y_hot);

  cw = XCreateWindow(dsply,rtWindow,
		     cXY.putX,cXY.putY,controlWidth,controlHeight,3,
		     CopyFromParent,InputOutput,CopyFromParent,
		     controlCreateMASK,&cwAttrib);

  sizehints.flags  = PPosition | PSize;
  sizehints.x	   = cXY.putX;
  sizehints.y	   = cXY.putY;
  sizehints.width  = controlWidth;
  sizehints.height = controlHeight;

  /*** the None stands for icon pixmap...change.... ***/

  XSetNormalHints(dsply,cw,&sizehints);
  XSetStandardProperties(dsply,cw,"2D Control Panel","2D Control Panel",
			 None,NULL,0,&sizehints);

  control->controlWindow = cw;
  num = initButtons(control->buttonQueue);
  control->numOfButtons = num;
  buttons = control->buttonQueue;

  for (i=0; i<num; i++) {
    controlAttrib.event_mask = (control->buttonQueue[i]).mask;
    (control->buttonQueue[i]).self = XCreateWindow(dsply,cw,
				       (control->buttonQueue[i]).buttonX,
				       (control->buttonQueue[i]).buttonY,
				       (control->buttonQueue[i]).buttonWidth,
				       (control->buttonQueue[i]).buttonHeight,
				       0,0,InputOnly,CopyFromParent,
				       buttonCreateMASK,&controlAttrib);

    XMakeAssoc(dsply,table,(control->buttonQueue[i]).self,
	       &((control->buttonQueue[i]).buttonKey));
   /* Use buttonKey instead of i because buttonKey has a permanent address */
    XMapWindow(dsply,(control->buttonQueue[i]).self);
  }

	   /* Create message window */
  control->messageWindow = XCreateWindow(dsply,cw,0,controlMessageY,
					 controlWidth,controlMessageHeight,
					 0,0,InputOnly,CopyFromParent,
					 messageCreateMASK,&cwAttrib);
  XMapWindow(dsply,control->messageWindow);

  for (i=0; i<scaleArrowN; i++) {
    scaleArrow[i].x += buttons[scale2D].buttonX;
    scaleArrow[i].y += buttons[scale2D].buttonY;
  }
  for (i=0; i<translateArrowN; i++) {
    translateArrow[i].x += buttons[translate2D].buttonX;
    translateArrow[i].y += buttons[translate2D].buttonY;
  }

  viewport->justMadeControl = yes;
  return(control);

} /* makeControlPanel() */






/*****************************************/
/***  void putControlPanelSomewhere()  ***/
/*****************************************/

/* This routine puts up the control panel associated with the viewport
   passed in.  It first tries to put it to the right of the viewport. If
   there isn't enough room there, it tries the bottom and so on going
   clockwise. If the viewport is too big and there is no room to put the
   control panel outside of it, it placed the control panel in the bottom
   right hand corner of the viewport window. */

void 
#ifdef _NO_PROTO
putControlPanelSomewhere(whereDoesPanelGo)
int whereDoesPanelGo;
#else
putControlPanelSomewhere(int whereDoesPanelGo)
#endif
{
  controlPanelStruct *control;
  controlXY	     whereControl;

  control = viewport->controlPanel;
  whereControl = getControlXY(whereDoesPanelGo);

  viewport->haveControl = yes;

  XRaiseWindow(dsply,control->controlWindow);
  XMoveWindow(dsply,control->controlWindow,whereControl.putX,
	      whereControl.putY);

  drawControlPanel();
  if (viewport->justMadeControl) {
    XMapWindow(dsply,control->controlWindow);
    viewport->justMadeControl = no;
  }
  XMapWindow(dsply,control->controlWindow);
}





/************************************/
/***  void clearControlMessage()  ***/
/************************************/

void 
#ifdef _NO_PROTO
clearControlMessage()
#else
clearControlMessage(void)
#endif
{

  strcpy(viewport->controlPanel->message,"");
  
  XClearArea(dsply,viewport->controlPanel->controlWindow,
	     0,controlMessageY-2,controlWidth,controlMessageHeight,False);
}


@
\eject
\begin{thebibliography}{99}
\bibitem{1} nothing
\end{thebibliography}
\end{document}