Annotation of OpenXM_contrib2/asir2000/plot/ox_plot_xevent.c, Revision 1.3
1.2 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3 ! noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
47: *
1.3 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2000/plot/ox_plot_xevent.c,v 1.2 2000/08/21 08:31:51 noro Exp $
1.2 noro 49: */
1.1 noro 50: #include "ca.h"
51: #include "parse.h"
52: #include "ox.h"
53: #include "ifplot.h"
54: #include "cursor.h"
55:
56: #ifdef ABS
57: #undef ABS
58: #define ABS(a) ((a)>0?(a):-(a))
59: #endif
60:
61: static char *dname;
62: static int remotes;
63: static int depth,scrn;
64:
65: extern jmp_buf ox_env;
66: static Widget toplevel;
67: static XtAppContext app_con;
68:
69: static int busy;
70:
71: static struct PlotResources {
72: Pixel ForePixel,BackPixel,DashPixel;
73: char *ForeName,*BackName,*DashName;
74: Boolean Reverse;
75: } PlotResources;
76:
77: #define forePixel PlotResources.ForePixel
78: #define backPixel PlotResources.BackPixel
79: #define dashPixel PlotResources.DashPixel
80: #define foreName PlotResources.ForeName
81: #define backName PlotResources.BackName
82: #define dashName PlotResources.DashName
83: #define reverse PlotResources.Reverse
84:
85: Cursor create_cursor();
86:
87: #define blackPixel BlackPixel(display,scrn)
88: #define whitePixel WhitePixel(display,scrn)
89:
90: #define LABELWIDTH 150
91:
92: process_xevent() {
93: XEvent ev;
94:
95: while ( XPending(display) ) {
96: XtAppNextEvent(app_con,&ev);
97: XtDispatchEvent(&ev);
98: }
99: }
100:
101: /* event handlers */
102:
103: static POINT spos,cpos;
104:
105: void press(w,can,ev)
106: Widget w;
107: struct canvas *can;
108: XButtonEvent *ev;
109: {
110: POINT p;
111:
112: switch ( ev->button ) {
113: case Button1:
114: XC(spos) = ev->x; YC(spos) = ev->y; cpos = spos; break;
115: case Button3:
116: XC(p) = ev->x; YC(p) = ev->y; draw_coord(can,&p); break;
117: default:
118: break;
119: }
120: }
121:
122: void motion(w,can,ev)
123: Widget w;
124: struct canvas *can;
125: XMotionEvent *ev;
126: {
127:
128: POINT o,p;
129:
130: if ( ev->state & Button1Mask ) {
131: o = cpos; XC(cpos) = ev->x; YC(cpos) = ev->y;
132: draw_frame(can->window,spos,o,cpos);
133: } else if ( ev->state & Button3Mask ) {
134: XC(p) = ev->x; YC(p) = ev->y;
135: draw_coord(can,p);
136: }
137: }
138:
139: void release(w,can,ev)
140: Widget w;
141: struct canvas *can;
142: XButtonEvent *ev;
143: {
144: POINT e;
145:
146: switch ( ev->button ) {
147: case Button1:
148: e.x = ev->x; e.y = ev->y;
149: draw_frame0(can->window,spos,e);
150: if ( !busy ) {
151: if ( can->mode == MODE_PLOT )
152: plot_resize(can,spos,e);
153: else
154: ifplot_resize(can,spos,e);
155: }
156: break;
157: default:
158: break;
159: }
160: }
161:
162: void structure(w,can,ev)
163: Widget w;
164: struct canvas *can;
165: XEvent *ev;
166: {
167: switch ( ev->xany.type ) {
168: case Expose:
169: if ( !ev->xexpose.count )
170: redraw_canvas(can);
171: break;
172: case ConfigureNotify:
173: redraw_canvas(can); break;
174: default:
175: break;
176: }
177: }
178:
179: static int lindex;
180:
181: void lpress(w,can,ev)
182: Widget w;
183: struct canvas *can;
184: XButtonEvent *ev;
185: {
186: lindex = (can->height-ev->y)/(can->height/can->nzstep);
187: draw_level(can,lindex,hlGC);
188: }
189:
190: void jumpproc(w,can,percent)
191: Widget w;
192: struct canvas *can;
193: float *percent;
194: {
195: int index;
196:
197: index = can->nzstep * (1.0-*percent);
198: if ( index == lindex )
199: return;
200: if ( lindex >= 0 )
201: draw_level(can,lindex,drawGC);
202: lindex = index;
203: draw_level(can,lindex,hlGC);
204: }
205:
206: void jumpproc_m(w,can,percent)
207: Widget w;
208: struct canvas *can;
209: float *percent;
210: {
211: int index;
212:
213: index = can->nzstep * (1.0-*percent);
214: if ( index != lindex ) {
215: draw_level(can,lindex,drawGC);
216: draw_level(can,lindex,hlGC);
217: }
218: }
219:
220: void lrelease(w,can,ev)
221: Widget w;
222: struct canvas *can;
223: XButtonEvent *ev;
224: {
225: draw_level(can,lindex,drawGC); lindex = -1;
226: }
227:
228: void lrelease_m(w,can,ev)
229: Widget w;
230: struct canvas *can;
231: XButtonEvent *ev;
232: {
233: lindex = -1;
234: }
235:
236: draw_level(can,index,gc)
237: struct canvas *can;
238: int index;
239: GC gc;
240: {
241: Pixmap pix;
242: struct pa *pa;
243: int i,len;
244: POINT *p;
245: Arg arg[2];
246: char buf[BUFSIZ];
247:
248: if ( busy || can->wide || index < 0 || index > can->nzstep )
249: return;
250: pix = can->pix; pa = &can->pa[index]; len = pa->length; p = pa->pos;
251: for ( i = 0; i < len; i++ )
252: XDrawPoint(display,pix,gc,p[i].x,p[i].y);
253: sprintf(buf,"level:%g",can->zmin+(can->zmax-can->zmin)*index/can->nzstep);
254: XtSetArg(arg[0],XtNlabel,buf); XtSetArg(arg[1],XtNwidth,LABELWIDTH);
255: XtSetValues(can->level,arg,2);
256: copy_to_canvas(can);
257: }
258:
259: draw_frame(window,spos,opos,epos)
260: Window window;
261: POINT spos,opos,epos;
262: {
263: if ( XC(opos) != XC(epos) || YC(opos) != YC(epos) )
264: draw_frame0(window,spos,opos);
265: draw_frame0(window,spos,epos);
266: }
267:
268: draw_frame0(window,spos,epos)
269: Window window;
270: POINT spos,epos;
271: {
272: int ulx,uly,w,h;
273:
274: ulx = MIN(XC(spos),XC(epos)); uly = MIN(YC(spos),YC(epos));
275: w = ABS(XC(spos)-XC(epos)); h = ABS(YC(spos)-YC(epos));
276: if ( !w || !h )
277: return;
278: XDrawRectangle(display,window,xorGC,ulx,uly,w,h);
279: XFlush(display);
280: }
281:
282: draw_coord(can,pos)
283: struct canvas *can;
284: POINT pos;
285: {
286: char buf[BUFSIZ];
287: Arg arg[2];
288: double x,y,xmin,ymax,dx,dy;
289:
290: if ( can->wide ) {
291: dx = 10*(can->xmax-can->xmin); dy = 10*(can->ymax-can->ymin);
292: xmin = (can->xmax+can->xmin-dx)/2;
293: ymax = (can->ymax+can->ymin+dy)/2;
294: } else {
295: dx = can->xmax-can->xmin; dy = can->ymax-can->ymin;
296: xmin = can->xmin; ymax = can->ymax;
297: }
298: x = xmin+XC(pos)*dx/can->width;
299: y = ymax-YC(pos)*dy/can->height;
300: sprintf(buf,"%s:%g",can->vx?can->vx->name:"horiz",x);
301: XtSetArg(arg[0],XtNlabel,buf); XtSetArg(arg[1],XtNwidth,LABELWIDTH);
302: XtSetValues(can->xcoord,arg,2);
303: sprintf(buf,"%s:%g",can->vy?can->vy->name:"vert",y);
304: XtSetArg(arg[0],XtNlabel,buf); XtSetArg(arg[1],XtNwidth,LABELWIDTH);
305: XtSetValues(can->ycoord,arg,2);
306: }
307:
308: redraw_canvas(can)
309: struct canvas *can;
310: {
311: if ( can->wide )
312: draw_wideframe(can);
313: else
314: copy_to_canvas(can);
315: }
316:
317: search_canvas()
318: {
319: int i;
320:
321: for ( i = 0; i < MAXCANVAS; i++ )
322: if ( !canvas[i] ) {
323: canvas[i] = (struct canvas *)MALLOC(sizeof(struct canvas));
324: canvas[i]->index = i; return i;
325: }
326: }
327:
328: search_active_canvas()
329: {
330: int i;
331:
332: for ( i = 0; i < MAXCANVAS; i++ )
333: if ( canvas[i] )
334: return i;
335: return -1;
336: }
337:
338: void destroy_canvas(w,can,calldata)
339: Widget w;
340: struct canvas *can;
341: XtPointer calldata;
342: {
343: XtPopdown(can->shell);
344: XtDestroyWidget(can->shell);
345: XFlush(display);
346: if ( can == current_can ) {
347: reset_busy(can); current_can = 0;
348: }
349: canvas[can->index] = 0;
350: }
351:
352: void precise_canvas(w,can,calldata)
353: Widget w;
354: struct canvas *can;
355: XtPointer calldata;
356: {
357: if ( can->precise )
358: can->precise = 0;
359: else
360: can->precise = 1;
361: }
362:
363: void wide_canvas(w,can,calldata)
364: Widget w;
365: struct canvas *can;
366: XtPointer calldata;
367: {
368: if ( can->wide ) {
369: can->wide = 0; copy_to_canvas(can);
370: } else {
371: can->wide = 1; draw_wideframe(can);
372: }
373: }
374:
375: void noaxis_canvas(w,can,calldata)
376: Widget w;
377: struct canvas *can;
378: XtPointer calldata;
379: {
380: if ( can->noaxis )
381: can->noaxis = 0;
382: else
383: can->noaxis = 1;
384: if ( can->wide )
385: draw_wideframe(can);
386: else
387: copy_to_canvas(can);
388: }
389:
390: toggle_button(w,flag)
391: Widget w;
392: int flag;
393: {
394: Arg arg[2];
395:
396: if ( flag ) {
397: XtSetArg(arg[0],XtNforeground,backPixel);
398: XtSetArg(arg[1],XtNbackground,forePixel);
399: } else {
400: XtSetArg(arg[0],XtNforeground,forePixel);
401: XtSetArg(arg[1],XtNbackground,backPixel);
402: }
403: XtSetValues(w,arg,2); XFlush(display);
404: }
405:
406: draw_wideframe(can)
407: struct canvas *can;
408: {
409: struct canvas fakecan;
410: double xmin,xmax,ymin,ymax,xmid,ymid,dx,dy;
411: POINT s,e;
412:
413: fakecan = *can;
414: dx = 10*(can->xmax-can->xmin); dy = 10*(can->ymax-can->ymin);
415: xmid = (can->xmax+can->xmin)/2; ymid = (can->ymax+can->ymin)/2;
416:
417: fakecan.xmin = xmid-dx/2; fakecan.xmax = xmid+dx/2;
418: fakecan.ymin = ymid-dy/2; fakecan.ymax = ymid+dy/2;
419:
420: XFillRectangle(display,can->window,clearGC,
421: 0,0,can->width,can->height);
422: pline(display,&fakecan,can->window);
423: XC(s) = can->width*9/20; YC(s) = can->height*9/20;
424: XC(e) = can->width*11/20; YC(e) = can->height*11/20;
425: draw_frame0(can->window,s,e);
426: }
427:
428: create_popup(parent,name,str,shell,dialog)
429: Widget parent;
430: char *name,*str;
431: Widget *shell,*dialog;
432: {
433: Arg arg[3];
434: Position x,y;
435:
436: XtTranslateCoords(parent,0,0,&x,&y);
437: XtSetArg(arg[0],XtNx,x); XtSetArg(arg[1],XtNy,y);
438: *shell = XtCreatePopupShell(name,transientShellWidgetClass,parent,arg,2);
439: XtSetArg(arg[0],XtNlabel,str);
440: *dialog = XtCreateManagedWidget("dialog",dialogWidgetClass,*shell,arg,1);
441: }
442:
443: warning(can,s)
444: struct canvas *can;
445: char *s;
446: {
447: void popdown_warning();
448: Widget warnshell,warndialog;
449: Position x,y;
450: Arg arg[3];
451:
452: if ( !can->shell )
453: return;
454: create_popup(can->shell,"warning",s,&warnshell,&warndialog);
455: XawDialogAddButton(warndialog,"dismiss",popdown_warning,warnshell);
456: XtPopup(warnshell,XtGrabNone);
457: }
458:
459: void popdown_warning(w,client,call)
460: Widget w;
461: XtPointer client,call;
462: {
463: XtPopdown(client); XtDestroyWidget(client);
464: }
465:
466: void show_formula(w,can,calldata)
467: Widget w;
468: struct canvas *can;
469: XtPointer calldata;
470: {
471: void popdown_formula();
472: Widget fshell,fdialog;
473: char buf[BUFSIZ];
474:
475: soutput_init(buf); sprintexpr(CO,(Obj)can->formula);
476: create_popup(can->shell,"formula",buf,&fshell,&fdialog);
477: XawDialogAddButton(fdialog,"dismiss",popdown_formula,w);
478: XtSetSensitive(w,False); XtPopup(fshell,XtGrabNone);
479: }
480:
481: void popdown_formula(w,fbutton,call)
482: Widget w,fbutton;
483: XtPointer call;
484: {
485: Widget shell = XtParent(XtParent(w));
486: XtPopdown(shell); XtDestroyWidget(shell);
487: XtSetSensitive(fbutton,True);
488: }
489:
490: #define NormalSelection ButtonPressMask|ButtonReleaseMask|Button1MotionMask|Button3MotionMask|StructureNotifyMask| ExposureMask
491:
492: create_canvas(can)
493: struct canvas *can;
494: {
495: XEvent event;
496: Widget box,frame,commands,
497: coords,quit,wide,precise,canvas,formula;
498: Window window;
499: Pixmap pix;
500: int i,width,height;
501: Arg arg[6];
502: char buf[BUFSIZ];
503:
504: width = can->width; height = can->height;
505:
506: sprintf(buf,"%s : %d/%d", can->wname?can->wname:"Plot",
507: remotes,can->index);
508: XtSetArg(arg[0],XtNiconName,buf);
509: can->shell =
510: XtCreatePopupShell("shell",topLevelShellWidgetClass,toplevel,arg,1);
511:
512: XtSetArg(arg[0],XtNhSpace,0);
513: XtSetArg(arg[1],XtNvSpace,0);
514: XtSetArg(arg[2],XtNborderWidth,0);
515: box = XtCreateManagedWidget("box",boxWidgetClass,can->shell,arg,3);
516:
517: frame = XtCreateManagedWidget("form",formWidgetClass,box,NULL,0);
518:
519: XtSetArg(arg[0],XtNorientation,XtorientHorizontal);
520: XtSetArg(arg[1],XtNborderWidth,0);
521: commands = XtCreateManagedWidget("commands",boxWidgetClass,frame,arg,2);
522:
523: quit = XtCreateManagedWidget("quit",commandWidgetClass,commands,NULL,0);
524: XtAddCallback(quit,XtNcallback,destroy_canvas,can);
525: can->wideb = wide =
526: XtCreateManagedWidget("wide",toggleWidgetClass,commands,NULL,0);
527: XtAddCallback(wide,XtNcallback,wide_canvas,can);
528: can->preciseb = precise =
529: XtCreateManagedWidget("precise",toggleWidgetClass,commands,NULL,0);
530: XtAddCallback(precise,XtNcallback,precise_canvas,can);
531: formula =
532: XtCreateManagedWidget("formula",commandWidgetClass,commands,NULL,0);
533: XtAddCallback(formula,XtNcallback,show_formula,can);
534: can->noaxisb =
535: XtCreateManagedWidget("noaxis",toggleWidgetClass,commands,NULL,0);
536: XtAddCallback(can->noaxisb,XtNcallback,noaxis_canvas,can);
537:
538: XtSetArg(arg[0],XtNfromVert,commands);
539: XtSetArg(arg[1],XtNwidth,width);
540: XtSetArg(arg[2],XtNheight,height);
541: canvas = XtCreateManagedWidget("canvas",simpleWidgetClass,frame,arg,3);
542:
543: XtSetArg(arg[0],XtNfromVert,canvas);
544: XtSetArg(arg[1],XtNheight,5);
545: XtSetArg(arg[2],XtNwidth,width);
546: XtSetArg(arg[3],XtNorientation,XtorientHorizontal);
547: XtSetArg(arg[4],XtNsensitive,False);
548: can->xdone =
549: XtCreateManagedWidget("xdone",scrollbarWidgetClass,frame,arg,5);
550:
551: XtSetArg(arg[0],XtNfromHoriz,canvas);
552: XtSetArg(arg[1],XtNfromVert,commands);
553: XtSetArg(arg[2],XtNwidth,5);
554: XtSetArg(arg[3],XtNheight,height);
555: XtSetArg(arg[4],XtNorientation,XtorientVertical);
556: XtSetArg(arg[5],XtNsensitive,False);
557: can->ydone =
558: XtCreateManagedWidget("ydone",scrollbarWidgetClass,frame,arg,6);
559:
560: XtSetArg(arg[0],XtNfromVert,can->xdone);
561: XtSetArg(arg[1],XtNorientation,XtorientHorizontal);
562: XtSetArg(arg[2],XtNborderWidth,0);
563: coords = XtCreateManagedWidget("coords",boxWidgetClass,frame,arg,3);
564:
565: XtSetArg(arg[0],XtNwidth,LABELWIDTH);
566: can->xcoord = XtCreateManagedWidget("xcoord",labelWidgetClass,coords,arg,1);
567: XtSetArg(arg[0],XtNwidth,LABELWIDTH);
568: can->ycoord = XtCreateManagedWidget("ycoord",labelWidgetClass,coords,arg,1);
569:
570: XtAddEventHandler(canvas,ButtonPressMask,False,press,can);
571: XtAddEventHandler(canvas,ButtonReleaseMask,False,release,can);
572: XtAddEventHandler(canvas,Button1MotionMask,False,motion,can);
573: XtAddEventHandler(canvas,Button3MotionMask,False,motion,can);
574: XtAddEventHandler(canvas,StructureNotifyMask,False,structure,can);
575: XtAddEventHandler(canvas,ExposureMask,False,structure,can);
576:
577: if ( can->mode == MODE_CONPLOT ) {
578: Widget scale;
579:
580: XtSetArg(arg[0],XtNwidth,LABELWIDTH);
581: can->level = XtCreateManagedWidget("level",labelWidgetClass,
582: commands,arg,1);
583:
584: XtSetArg(arg[0],XtNsensitive,True);
585: XtSetValues(can->ydone,arg,1);
586: if ( depth >= 2 ) {
587: XtAddCallback(can->ydone,XtNjumpProc,jumpproc,can);
588: XtAddEventHandler(can->ydone,ButtonReleaseMask,False,lrelease,can);
589: } else {
590: XtAddCallback(can->ydone,XtNjumpProc,jumpproc_m,can);
591: XtAddEventHandler(can->ydone,ButtonReleaseMask,False,lrelease_m,can);
592: }
593: }
594: if ( can->mode != MODE_IFPLOT || !qpcheck((Obj)can->formula) )
595: XtSetSensitive(precise,False);
596: XtPopup(can->shell,XtGrabNone);
597:
598: window = can->window = XtWindow(canvas);
599: pix = can->pix = XCreatePixmap(display,window,width,height,depth);
600: XFillRectangle(display,pix,clearGC,0,0,width,height);
601: XDefineCursor(display,window,normalcur);
602: XFlush(display);
603: current_can = can;
604: }
605:
606: alloc_pixmap(can)
607: struct canvas *can;
608: {
609: can->pix = XCreatePixmap(display,can->window,
610: can->width,can->height,depth);
611: XFillRectangle(display,can->pix,clearGC,0,0,can->width,can->height);
612: }
613:
614: static XrmOptionDescRec options[] = {
615: {"-reverse","*reverse",XrmoptionNoArg,"on"},
616: {"-fg","*foreground",XrmoptionSepArg,NULL},
617: {"-bg","*background",XrmoptionSepArg,NULL},
618: };
619:
620: #define offset(name) XtOffset(struct PlotResources *,name)
621:
622: static XtResource resources[] = {
623: {"reverse","Reverse",XtRBoolean,sizeof(Boolean),
624: offset(Reverse),XtRBoolean,&reverse},
625: {"foreground","Foreground",XtRString,sizeof(char *),
626: offset(ForeName),XtRString,NULL},
627: {"foreground","Foreground",XtRPixel,sizeof(Pixel),
628: offset(ForePixel),XtRPixel,(XtPointer)&forePixel},
629: {"background","Background",XtRString,sizeof(char *),
630: offset(BackName),XtRString,NULL},
631: {"background","Background",XtRPixel,sizeof(Pixel),
632: offset(BackPixel),XtRPixel,(XtPointer)&backPixel},
633: {"dash","Dash",XtRString,sizeof(char *),
634: offset(DashName),XtRString,NULL},
635: {"dash","Dash",XtRPixel,sizeof(Pixel),
636: offset(DashPixel),XtRPixel,(XtPointer)&dashPixel},
637: };
638:
639: init_plot_display(argc,argv)
640: int argc;
641: char **argv;
642: {
643: int ac;
644: char **av;
645: unsigned int tmp;
646:
647: for ( ac = argc, av = argv; ac; ac--, av++ )
648: if ( index(*av,':') )
649: dname = *av;
650: XtToolkitInitialize();
651: app_con = XtCreateApplicationContext();
652: display = XtOpenDisplay(app_con,dname,"plot","Plot",
653: options,XtNumber(options),&argc,argv);
654: if ( !display ) {
655: fprintf(stderr,"Can't open display\n");
656: exit(1);
657: }
658: toplevel = XtAppCreateShell(0,"Plot",applicationShellWidgetClass,
659: display,0,0);
660:
661: forePixel = blackPixel; backPixel = whitePixel;
662: dashPixel = blackPixel;
663: XtGetApplicationResources(toplevel,&PlotResources,
664: resources,XtNumber(resources),NULL,0);
665: display = XtDisplay(toplevel);
666: scrn = DefaultScreen(display);
667: depth = DefaultDepth(display,scrn);
668: rootwin = RootWindow(display,scrn);
669:
670: if ( reverse ) {
671: tmp = forePixel; forePixel = backPixel; backPixel = tmp;
672: }
673:
674: create_gc();
675: create_font();
676: create_cursors();
677: }
678:
679: static char *scalefont = "*-8-80-*";
680:
681: create_font() {
682: Font sfid;
683:
684: sfid = XLoadFont(display,scalefont);
685: sffs = XQueryFont(display,sfid);
686: XSetFont(display,scaleGC,sfid);
687: }
688:
689: create_gc() {
690: static XColor color = {0,0x0,0x0,0x0,DoRed|DoGreen|DoBlue,0};
691: int i,b,step;
692:
693: drawGC = XCreateGC(display,rootwin,0,NULL);
694: dashGC = XCreateGC(display,rootwin,0,NULL);
695: hlGC = XCreateGC(display,rootwin,0,NULL);
696: clearGC = XCreateGC(display,rootwin,0,NULL);
697: scaleGC = XCreateGC(display,rootwin,0,NULL);
698: xorGC = XCreateGC(display,rootwin,0,NULL);
699: colorGC = XCreateGC(display,rootwin,0,NULL);
700: XCopyGC(display,DefaultGC(display,scrn),(1L<<(GCLastBit+1))-1,drawGC);
701: XCopyGC(display,DefaultGC(display,scrn),(1L<<(GCLastBit+1))-1,dashGC);
702: XCopyGC(display,DefaultGC(display,scrn),(1L<<(GCLastBit+1))-1,clearGC);
703: XCopyGC(display,DefaultGC(display,scrn),(1L<<(GCLastBit+1))-1,scaleGC);
704: XCopyGC(display,DefaultGC(display,scrn),(1L<<(GCLastBit+1))-1,xorGC);
705: XCopyGC(display,DefaultGC(display,scrn),(1L<<(GCLastBit+1))-1,colorGC);
706: XSetForeground(display,drawGC,forePixel);
707: XSetForeground(display,scaleGC,forePixel);
708: XSetForeground(display,clearGC,backPixel);
709: XSetForeground(display,xorGC,forePixel^backPixel);
710: XSetFunction(display,xorGC,GXxor);
711: XSetForeground(display,dashGC,dashPixel);
712: XSetLineAttributes(display,dashGC,1,LineOnOffDash,CapButt,JoinRound);
713:
714: color.red = color.green = color.blue = 0xffff/2;
715: XAllocColor(display,DefaultColormap(display,scrn),&color);
716: XSetForeground(display,hlGC,color.pixel);
717: color.red = 0xffff; color.green = color.blue = 0;
718: XAllocColor(display,DefaultColormap(display,scrn),&color);
719: XSetForeground(display,colorGC,color.pixel);
720: }
721:
722: create_cursors() {
723: static XColor fg = {0, 0x0, 0x0, 0x0,DoRed|DoGreen|DoBlue,0};
724: static XColor bg = {0, 0xffff, 0xffff, 0xffff,DoRed|DoGreen|DoBlue,0};
725:
726: XAllocColor(display,DefaultColormap(display,scrn),&fg);
727: XAllocColor(display,DefaultColormap(display,scrn),&bg);
728: normalcur = create_cursor(h_bits,h_m_bits,h_width,h_height,
729: h_x_hot,h_y_hot,&fg,&bg);
730: runningcur = create_cursor(ht_bits,ht_m_bits,ht_width,ht_height,
731: ht_width/2,ht_height/2,&fg,&bg);
732: errorcur = create_cursor(m_bits,m_m_bits,m_width,m_height,
733: m_width/2,m_height/2,&fg,&bg);
734: }
735:
736: Cursor create_cursor(image,mask,width,height,xhot,yhot,fg,bg)
737: char *image,*mask;
738: int width,height,xhot,yhot;
739: XColor *fg,*bg;
740: {
741: Pixmap ipix,mpix;
742:
743: ipix = XCreateBitmapFromData(display,rootwin,image,width,height);
744: mpix = XCreateBitmapFromData(display,rootwin,mask,width,height);
745: return XCreatePixmapCursor(display,ipix,mpix,fg,bg,xhot,yhot);
746: }
747:
748: copy_to_canvas(can)
749: struct canvas *can;
750: {
751: if ( display ) {
752: XCopyArea(display,can->pix,can->window,
753: drawGC,0,0,can->width,can->height,0,0);
754: pline(display,can,can->window);
755: XFlush(display);
756: }
757: }
758:
759: copy_subimage(subcan,can,pos)
760: struct canvas *subcan,*can;
761: XPoint pos;
762: {
763: if ( display ) {
764: XCopyArea(display,subcan->pix,can->pix,
765: drawGC,0,0,subcan->width,subcan->height,pos.x,pos.y);
766: XFlush(display);
767: }
768: }
769:
770: #include <signal.h>
771: #include <fcntl.h>
772:
773: set_selection() {
774: if ( current_can ) {
775: XSelectInput(display,current_can->window,0);
776: XFlush(display);
777: }
778: }
779:
780: reset_selection() {
781: if ( current_can ) {
782: XSelectInput(display,current_can->window,NormalSelection);
783: XFlush(display);
784: }
785: }
786:
787: set_busy(can)
788: struct canvas *can;
789: {
790: busy = 1;
791: XtSetSensitive(can->wideb,False);
792: XtSetSensitive(can->preciseb,False);
793: XtSetSensitive(can->noaxisb,False);
794: XFlush(display);
795: }
796:
797: reset_busy(can)
798: struct canvas *can;
799: {
800: busy = 0;
801: if ( can->window ) {
802: XtSetSensitive(can->wideb,True);
803: XtSetSensitive(can->noaxisb,True);
804: if ( can->mode == MODE_IFPLOT && qpcheck((Obj)can->formula) )
805: XtSetSensitive(can->preciseb,True);
806: XFlush(display);
807: }
808: }
809:
810: reset_current_computation()
811: {
812: if ( current_can ) {
813: reset_selection(); reset_busy(current_can);
814: define_cursor(current_can->window,normalcur);
815: }
816: }
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