forked from CruiserOne/Astrolog
/
xscreen.cpp
2264 lines (2091 loc) · 67.4 KB
/
xscreen.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
** Astrolog (Version 7.70) File: xscreen.cpp
**
** IMPORTANT NOTICE: Astrolog and all chart display routines and anything
** not enumerated below used in this program are Copyright (C) 1991-2024 by
** Walter D. Pullen (Astara@msn.com, http://www.astrolog.org/astrolog.htm).
** Permission is granted to freely use, modify, and distribute these
** routines provided these credits and notices remain unmodified with any
** altered or distributed versions of the program.
**
** The main ephemeris databases and calculation routines are from the
** library SWISS EPHEMERIS and are programmed and copyright 1997-2008 by
** Astrodienst AG. Use of that source code is subject to license for Swiss
** Ephemeris Free Edition at https://www.astro.com/swisseph/swephinfo_e.htm.
** This copyright notice must not be changed or removed by any user of this
** program.
**
** Additional ephemeris databases and formulas are from the calculation
** routines in the program PLACALC and are programmed and Copyright (C)
** 1989,1991,1993 by Astrodienst AG and Alois Treindl (alois@astro.ch). The
** use of that source code is subject to regulations made by Astrodienst
** Zurich, and the code is not in the public domain. This copyright notice
** must not be changed or removed by any user of this program.
**
** The original planetary calculation routines used in this program have
** been copyrighted and the initial core of this program was mostly a
** conversion to C of the routines created by James Neely as listed in
** 'Manual of Computer Programming for Astrologers', by Michael Erlewine,
** available from Matrix Software.
**
** Atlas composed using data from https://www.geonames.org/ licensed under a
** Creative Commons Attribution 4.0 License. Time zone changes composed using
** public domain TZ database: https://data.iana.org/time-zones/tz-link.html
**
** The PostScript code within the core graphics routines are programmed
** and Copyright (C) 1992-1993 by Brian D. Willoughby (brianw@sounds.wa.com).
**
** More formally: This program is free software; you can redistribute it
** and/or modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of the
** License, or (at your option) any later version. This program is
** distributed in the hope that it will be useful and inspiring, but
** WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details, a copy of which is in the
** LICENSE.HTM file included with Astrolog, and at http://www.gnu.org
**
** Initial programming 8/28-30/1991.
** X Window graphics initially programmed 10/23-29/1991.
** PostScript graphics initially programmed 11/29-30/1992.
** Last code change made 4/22/2024.
*/
#include "astrolog.h"
#ifdef GRAPH
/*
******************************************************************************
** Astrolog Icon.
******************************************************************************
*/
#ifdef X11
// This information used to define Astrolog's X Windows icon (ringed planet
// with moons) is similar to the output format used by the bitmap program.
// You could extract this section and run "xsetroot -bitmap" on it.
#define icon_width 48
#define icon_height 48
CONST uchar icon_bits[] = {
0x0e,0x00,0x00,0x00,0x10,0x00,0x7f,0x00,0x00,0x00,0x00,0x00,0xff,0x01,0x00,
0x02,0x00,0x00,0xff,0x43,0x00,0x00,0x00,0x00,0xfe,0x0f,0x00,0x00,0x02,0x00,
0x9e,0x1f,0x00,0x00,0x00,0x10,0x1e,0x7c,0xc0,0x03,0x00,0x38,0x3c,0xf8,0x7e,
0x7d,0x00,0x10,0x3c,0xe0,0xab,0xaa,0x00,0x00,0x38,0xc0,0x5f,0x05,0x03,0x00,
0x70,0x60,0xb5,0x12,0x04,0x00,0xf0,0xf8,0x5f,0x85,0x18,0x0e,0xe0,0xf8,0xaa,
0x2a,0x90,0x33,0xc0,0xfd,0x5f,0x05,0xe0,0x47,0xc0,0xbf,0xb5,0x52,0xc0,0x4b,
0x80,0xff,0x5f,0x05,0xc0,0x85,0x00,0xff,0xaa,0x2a,0x80,0x83,0x80,0xff,0x5f,
0x05,0x00,0x87,0x80,0x7f,0xb5,0x92,0x00,0x4b,0x80,0xff,0x5f,0x05,0x00,0x45,
0x80,0xff,0xaa,0x2a,0x00,0x33,0x80,0xff,0x5f,0x05,0x00,0x0f,0xc0,0xff,0xb5,
0x52,0x00,0x02,0xc0,0xff,0x5f,0x05,0x00,0x02,0xc1,0xff,0xab,0x2a,0x00,0x02,
0xe0,0xff,0x5f,0x05,0x00,0x02,0x38,0x5f,0xbf,0x92,0x00,0x01,0x58,0xfe,0x5f,
0x05,0x00,0x81,0xbc,0xfc,0xbe,0x2a,0x00,0x01,0x7c,0xfc,0x7f,0x05,0x00,0x01,
0x3c,0xbc,0xf5,0x52,0x00,0x01,0x58,0xfe,0xff,0x05,0x80,0x00,0xb8,0xff,0xea,
0x2b,0xc0,0x01,0xe0,0xfe,0xdf,0x0f,0xc0,0x23,0x00,0x5c,0xb5,0x9f,0xa0,0x03,
0x00,0xf8,0x5f,0x3d,0x10,0x07,0x00,0xf8,0xaa,0xfa,0x18,0x0f,0x08,0xe0,0x5f,
0xf5,0x05,0x0e,0x1c,0xc0,0xb5,0xea,0x03,0x1c,0x08,0x00,0x5f,0x85,0x07,0x3c,
0x00,0x00,0xbe,0x7e,0x1f,0x3c,0x00,0x10,0xc0,0x03,0x3e,0x78,0x00,0x00,0x00,
0x00,0xf8,0x79,0x00,0x00,0x00,0x00,0xf0,0x7f,0x00,0x00,0x20,0x00,0xc0,0xff,
0x00,0x00,0x00,0x00,0x82,0xff,0x00,0x00,0x00,0x00,0x00,0xfe,0x40,0x00,0x00,
0x00,0x00,0x70};
#endif
/*
******************************************************************************
** Interactive Screen Graphics Routines.
******************************************************************************
*/
// Set up the color palette of RGB values used by the program for its 16 main
// color indexes. There's a default palette of bright colors used with black
// backgrounds, and an optional set of adjusted colors that looks better with
// white backgrounds. Also, if the user customizes a palette slot with the
// -YXK switch, then leave it alone and don't change it.
void InitColorPalette(int n)
{
CONST KV *rgbbmpNew, *rgbbmpOld;
int i;
rgbbmpNew = (n < 1 || !gs.fAltPalette ? rgbbmpDef : rgbbmpDef2);
rgbbmpOld = (n < 1 || !gs.fAltPalette ? rgbbmpDef2 : rgbbmpDef);
for (i = 0; i < cColor; i++)
if (n < 0 || rgbbmp[i] == rgbbmpOld[i])
rgbbmp[i] = rgbbmpNew[i];
}
// Set up all the colors used by the program, i.e. the foreground and
// background colors, and all the colors in the object arrays, based on
// whether or not are in monochrome and/or reverse video mode.
void InitColorsX()
{
int i;
flag fInverse = gs.fInverse;
#ifdef X11
char sz[cchSzDef];
Colormap cmap;
XColor xcol;
KV kv;
if (!gi.fFile) {
cmap = XDefaultColormap(gi.disp, gi.screen);
// Allocate colors from the present X11 colormap. Given RGB color strings,
// allocate these colors and determine their values.
for (i = 0; i < cColor; i++) {
kv = rgbbmp[i];
sprintf(sz, "#%02x%02x%02x", RgbR(kv), RgbG(kv), RgbB(kv));
XParseColor(gi.disp, cmap, sz, &xcol);
XAllocColor(gi.disp, cmap, &xcol);
rgbind[i] = xcol.pixel;
}
}
if (!gi.fFile) {
XSetBackground(gi.disp, gi.gc, rgbind[gi.kiOff]);
XSetForeground(gi.disp, gi.pmgc, rgbind[gi.kiOff]);
}
#endif
#ifdef WIN
// Don't print on a black background unless user really wants that.
if (wi.hdcPrint != NULL && us.fSmartSave)
fInverse = fTrue;
#endif
gi.kiOn = kMainA[!fInverse];
gi.kiOff = kMainA[fInverse];
gi.kiLite = gs.fColor ? kMainA[2+fInverse] : gi.kiOn;
gi.kiGray = gs.fColor ? kMainA[3-fInverse] : gi.kiOn;
for (i = 0; i <= 8; i++)
kMainB[i] = gs.fColor ? kMainA[i] : gi.kiOn;
for (i = 0; i <= cRainbow; i++)
kRainbowB[i] = gs.fColor ? kRainbowA[i] : gi.kiOn;
for (i = 0; i < cElem; i++)
kElemB[i] = gs.fColor ? kElemA[i] : gi.kiOn;
for (i = 0; i <= cAspect; i++)
kAspB[i] = gs.fColor ? kAspA[i] : gi.kiOn;
for (i = 0; i <= cObj; i++)
kObjB[i] = gs.fColor ? kObjA[i] : gi.kiOn;
for (i = 0; i <= cRay+1; i++)
kRayB[i] = gs.fColor ? kRayA[i] : gi.kiOn;
}
#ifdef WCLI
// Window event processor for the Windows CLI version. Most event processing
// happens inside the InteractX() message loop.
LRESULT API WndProcWCLI(HWND hwnd, UINT wMsg, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
HPEN hpen, hpenOld;
int x, y;
wi.hwnd = hwnd;
switch (wMsg) {
// The window has been resized. Change the chart size if need be.
case WM_SIZE:
wi.xClient = gs.xWin = LOWORD(lParam);
wi.yClient = gs.yWin = HIWORD(lParam);
if (!wi.fNotManual) {
gi.xWinResize = gs.xWin; gi.yWinResize = gs.yWin;
}
wi.fDoResize = fTrue;
break;
// All or part of the window needs to be redrawn. Will do so later.
case WM_PAINT:
wi.fDoRedraw = fTrue;
break;
// The mouse has been left clicked or dragged over the window.
case WM_LBUTTONDOWN:
case WM_MOUSEMOVE:
x = WLo(lParam);
y = WHi(lParam);
if (wMsg == WM_MOUSEMOVE) {
// Dragging with right mouse down rotates and tilts globes.
if ((wParam & MK_RBUTTON) != 0 && us.fGraphics && (fMap ||
gi.nMode == gMidpoint || gi.nMode == gLocal || gi.nMode == gSphere ||
gi.nMode == gGlobe || gi.nMode == gPolar || gi.nMode == gTelescope)) {
gs.rRot += (real)(x-WLo(wi.lParamRC)) * rDegHalf / (real)gs.xWin *
(gi.nMode == gLocal || gi.nMode == gTelescope ? -gi.zViewRatio :
1.0);
gs.rTilt += (real)(y-WHi(wi.lParamRC)) * rDegHalf / (real)gs.yWin *
(gi.nMode == gLocal || gi.nMode == gTelescope ? gi.zViewRatio :
(gi.nMode == gGlobe ? -1.0 : 1.0));
while (gs.rRot >= rDegMax)
gs.rRot -= rDegMax;
while (gs.rRot < 0.0)
gs.rRot += rDegMax;
while (gs.rTilt > rDegQuad)
gs.rTilt = rDegQuad;
while (gs.rTilt < -rDegQuad)
gs.rTilt = -rDegQuad;
if (gi.nMode == gMidpoint || gi.nMode == gTelescope) {
if (gi.nMode == gMidpoint && gs.objTrack >= 0)
gs.rRot = planet[gs.objTrack];
gs.objTrack = -1;
}
wi.lParamRC = lParam;
wi.fDoRedraw = fTrue;
break;
}
// Treat dragging with left mouse down as a Shift+left click.
if ((wParam & MK_LBUTTON) == 0 ||
(wParam & MK_SHIFT) || (wParam & MK_CONTROL))
break;
wParam = MK_SHIFT;
}
// Alt+click on a world map chart means relocate the chart there.
if (wMsg == WM_LBUTTONDOWN && GetKeyState(VK_MENU) < 0) {
if (fMap && !gs.fConstel && !gs.fMollewide) {
Lon = rDegHalf -
Mod((real)(x-gi.xOffset) / (real)gs.xWin*rDegMax - gs.rRot);
if (Lon < -rDegHalf)
Lon = -rDegHalf;
else if (Lon > rDegHalf)
Lon = rDegHalf;
Lat = rDegQuad-(real)(y-gi.yOffset)/(real)gs.yWin*rDegHalf;
if (Lat < -rDegQuad)
Lat = -rDegQuad;
else if (Lat > rDegQuad)
Lat = rDegQuad;
wi.xMouse = -1;
ciCore = ciMain;
wi.fDoCast = fTrue;
}
break;
}
hdc = GetDC(hwnd);
hpen = (HPEN)CreatePen(PS_SOLID, !gs.fThick ? 0 : 2,
(COLORREF)rgbbmp[wi.kiPen]);
hpenOld = (HPEN)SelectObject(hdc, hpen);
// Ctrl+click means draw a rectangle. Ctrl+Shift+click does ellipse.
if (wParam & MK_CONTROL) {
SelectObject(hdc, GetStockObject(NULL_BRUSH));
if (wParam & MK_SHIFT)
Ellipse(hdc, wi.xMouse, wi.yMouse, x, y);
else
Rectangle(hdc, wi.xMouse, wi.yMouse, x, y);
// Shift+click means draw a line from the last to current position.
} else if (wParam & MK_SHIFT) {
if (wi.xMouse >= 0) {
MoveTo(hdc, wi.xMouse, wi.yMouse);
LineTo(hdc, x, y);
if (wMsg == WM_MOUSEMOVE) {
wi.xMouse = x; wi.yMouse = y;
}
}
// A simple click means set a pixel and remember that location.
} else {
SetPixel(hdc, x, y, (COLORREF)rgbbmp[wi.kiPen]);
wi.xMouse = x; wi.yMouse = y;
}
SelectObject(hdc, hpenOld);
DeleteObject(hpen);
ReleaseDC(hwnd, hdc);
break;
// The mouse has been right clicked on the window.
case WM_RBUTTONDOWN:
if (us.fGraphics) {
if (fMap || gi.nMode == gLocal || gi.nMode == gSphere ||
gi.nMode == gGlobe || gi.nMode == gPolar || gi.nMode == gTelescope)
wi.lParamRC = lParam;
}
break;
default:
return DefWindowProc(hwnd, wMsg, wParam, lParam);
}
return fFalse;
}
#endif
#ifdef ISG
// This routine opens up and initializes a window and prepares it to be drawn
// upon, and gets various information about the display, too.
void BeginX()
{
#ifdef X11
gi.fBmp = fFalse; // Astrolog can't draw 24 bit color bitmaps on X11.
gi.disp = XOpenDisplay(gs.szDisplay);
if (gi.disp == NULL) {
PrintError("Can't open display.");
Terminate(tcFatal);
}
gi.screen = DefaultScreen(gi.disp);
bg = BlackPixel(gi.disp, gi.screen);
fg = WhitePixel(gi.disp, gi.screen);
hint.x = gi.xOffset; hint.y = gi.yOffset;
hint.width = gs.xWin; hint.height = gs.yWin;
hint.min_width = BITMAPX1; hint.min_height = BITMAPY1;
hint.max_width = BITMAPX; hint.max_height = BITMAPY;
hint.flags = PPosition | PSize | PMaxSize | PMinSize;
gi.depth = DefaultDepth(gi.disp, gi.screen);
if (gi.depth < 5) {
gi.fMono = fTrue; // Is this a monochrome display?
gs.fColor = fFalse;
}
gi.root = RootWindow(gi.disp, gi.screen);
if (gs.fRoot)
gi.wind = gi.root; // If -XB in effect, then draw on the root window.
else
gi.wind = XCreateSimpleWindow(gi.disp, DefaultRootWindow(gi.disp),
hint.x, hint.y, hint.width, hint.height, 5, fg, bg);
gi.pmap = XCreatePixmap(gi.disp, gi.wind, gs.xWin, gs.yWin, gi.depth);
gi.icon = XCreateBitmapFromData(gi.disp, DefaultRootWindow(gi.disp),
(char *)icon_bits, icon_width, icon_height);
if (!gs.fRoot)
XSetStandardProperties(gi.disp, gi.wind, szAppName, szAppName, gi.icon,
(char **)xkey, 0, &hint);
// There are two graphics workareas. One is what the user currently sees in
// the window, and the other is what is currently being drawn on. When done,
// can quickly copy it to the viewport for a smooth look.
gi.gc = XCreateGC(gi.disp, gi.wind, 0, 0);
XSetGraphicsExposures(gi.disp, gi.gc, 0);
gi.pmgc = XCreateGC(gi.disp, gi.wind, 0, 0);
InitColorsX(); // Go set up colors.
if (!gs.fRoot)
XSelectInput(gi.disp, gi.wind, KeyPressMask | StructureNotifyMask |
ExposureMask | ButtonPressMask | ButtonReleaseMask | ButtonMotionMask);
XMapRaised(gi.disp, gi.wind);
XSync(gi.disp, 0);
XFillRectangle(gi.disp, gi.pmap, gi.pmgc, 0, 0, gs.xWin, gs.yWin);
#endif // X11
#ifdef WIN
if (wi.fChartWindow && (wi.xClient != gs.xWin ||
wi.yClient != gs.yWin) && wi.hdcPrint == hdcNil)
ResizeWindowToChart();
gi.xOffset = NMultDiv(wi.xClient - gs.xWin, wi.xScroll, nScrollDiv);
gi.yOffset = NMultDiv(wi.yClient - gs.yWin, wi.yScroll, nScrollDiv);
SetWindowOrg(wi.hdc, -gi.xOffset, -gi.yOffset);
SetWindowExt(wi.hdc, wi.xClient, wi.yClient);
SetMapMode(wi.hdc, MM_ANISOTROPIC);
SelectObject(wi.hdc, GetStockObject(NULL_PEN));
SelectObject(wi.hdc, GetStockObject(NULL_BRUSH));
if (!gs.fJetTrail || wi.hdcPrint != hdcNil)
PatBlt(wi.hdc, -gi.xOffset, -gi.yOffset, wi.xClient, wi.yClient,
gs.fInverse ? WHITENESS : BLACKNESS);
InitColorsX();
#endif // WIN
#ifdef WCLI
WNDCLASS wndclass;
if (!wi.fWndclass) {
wi.fWndclass = fTrue;
wi.hinst = GetModuleHandle(NULL);
ClearB((pbyte)&wndclass, sizeof(WNDCLASS));
wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_BYTEALIGNWINDOW;
wndclass.lpfnWndProc = WndProcWCLI;
wndclass.hInstance = wi.hinst;
wndclass.hCursor = LoadCursor((HINSTANCE)NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wndclass.lpszClassName = szAppName;
if (!RegisterClass(&wndclass)) {
PrintError("The window class could not be registered.");
Terminate(tcFatal);
}
}
wi.hwndMain = CreateWindow(
szAppName,
szAppNameCore " " szVersionCore,
WS_CAPTION |
WS_SYSMENU |
WS_MINIMIZEBOX |
WS_MAXIMIZEBOX |
WS_THICKFRAME |
WS_VSCROLL |
WS_HSCROLL |
WS_CLIPCHILDREN |
WS_OVERLAPPED,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
(HWND)NULL,
(HMENU)NULL,
wi.hinst,
(LPSTR)NULL);
if (wi.hwndMain == (HWND)NULL) {
PrintError("The window could not be created.");
Terminate(tcFatal);
}
wi.hwnd = wi.hwndMain;
ResizeWindowToChart();
ShowWindow(wi.hwndMain, SW_SHOW);
ShowScrollBar(wi.hwnd, SB_BOTH, fFalse);
gi.xOffset = gi.yOffset = 0;
InitColorsX();
#endif // WCLI
}
// Animate the current chart based on the given values indicating how much
// to update by. Update and recast the current chart info appropriately.
// Note animation mode for comparison charts will update the second chart.
void Animate(int mode, int toadd)
{
if (((gi.nMode == gAstroGraph || gi.nMode == gSphere) && gs.fAnimMap) ||
((gi.nMode == gWorldMap || gi.nMode == gGlobe || gi.nMode == gPolar) &&
(gs.fAlt || gs.fAnimMap))) {
gs.rRot += (real)toadd;
if (gs.rRot >= rDegMax) // For animating map displays, add in
gs.rRot -= rDegMax; // appropriate degree value.
else if (gs.rRot < 0.0)
gs.rRot += rDegMax;
return;
}
mode = NAbs(mode);
if (mode >= 10) {
#ifdef TIME
// For the continuous chart update to present moment animation mode, go
// get whatever time it is now.
FInputData(szNowCore);
#else
mode = 1;
goto LNotNow;
#endif
} else { // Otherwise add on appropriate time vector to chart info.
#ifndef TIME
LNotNow:
#endif
if (us.nRel == rcDual || us.nRel <= rcTransit)
ciCore = ciTwin;
else if (us.fProgress || us.fTransit || us.fTransitInf || us.fTransitGra)
ciCore = ciTran;
else
ciCore = ciMain;
AddTime(&ciCore, mode, toadd);
}
if (us.nRel == rcDual || us.nRel <= rcTransit) {
ciTwin = ciCore;
ciCore = ciMain;
} else if (us.fProgress || us.fTransit || us.fTransitInf || us.fTransitGra) {
ciTran = ciCore;
ciCore = ciMain;
if (us.fProgress)
is.JDp = MdytszToJulian(MonT, DayT, YeaT, TimT, ciDefa.dst, ciDefa.zon);
} else
ciMain = ciCore;
if (us.nRel)
CastRelation();
else
CastChart(0);
}
#ifndef WIN
// This routine exits graphics mode, prompts the user for a set of command
// switches, processes them, and returns to the previous graphics with the
// new settings in effect, allowing one to change most any setting without
// having to lose their graphics state or fall way back to a -Q loop.
void CommandLineX()
{
char szCommandLine[cchSzMax], *rgsz[MAXSWITCHES];
int argc, fT, fPause = fFalse;
ciCore = ciMain;
fT = us.fLoop; us.fLoop = fTrue;
argc = NPromptSwitches(szCommandLine, rgsz);
is.cchRow = 0;
is.fSzInteract = fTrue;
if (!FProcessSwitches(argc, rgsz))
fPause = fTrue;
else {
is.fMult = fFalse;
FPrintTables();
if (is.fMult) {
ClearB((pbyte)&us.fCredit,
(int)((pbyte)&us.fLoop - (pbyte)&us.fCredit));
fPause = fTrue;
}
}
is.fSzInteract = fFalse;
us.fLoop = fT;
ciMain = ciCore;
InitColorsX();
}
#endif // WIN
// Given two chart size values, adjust them such that the chart will look
// "square". This rounds the higher value down and checks certain conditions.
void SquareX(int *x, int *y, flag fForce)
{
if (!fForce && !fSquare) // Unless really want to force a square, realize
return; // that some charts look better rectangular.
if (*x > *y)
*x = *y;
else
*y = *x;
if (fSidebar) // Take into account chart's sidebar, if any.
*x += xSideT;
}
#ifdef WINANY
// Change the pixel size of the window so its internal drawable area is the
// dimensions of the current graphics chart. Both the upper left and lower
// right corners of the window may change depending on the scroll position.
void ResizeWindowToChart()
{
HDC hdc;
RECT rcOld, rcCli, rcNew;
int xScr, yScr;
if (!us.fGraphics)
return;
if (gs.xWin == 0)
gs.xWin = DEFAULTX;
if (gs.yWin == 0)
gs.yWin = DEFAULTY;
hdc = GetDC(wi.hwnd);
xScr = GetDeviceCaps(hdc, HORZRES);
yScr = GetDeviceCaps(hdc, VERTRES);
ReleaseDC(wi.hwnd, hdc);
GetWindowRect(wi.hwnd, &rcOld);
GetClientRect(wi.hwnd, &rcCli);
rcNew.left = rcOld.left + gi.xOffset;
rcNew.top = rcOld.top + gi.yOffset;
rcNew.right = rcNew.left + gs.xWin + (gi.nMode == 0 ? (SIDESIZE *
gi.nScaleText) >> 1 : 0) + (rcOld.right - rcOld.left - rcCli.right);
rcNew.bottom = rcNew.top + gs.yWin +
(rcOld.bottom - rcOld.top - rcCli.bottom);
if (rcNew.right > xScr)
OffsetRect(&rcNew, xScr - rcNew.right, 0);
if (rcNew.bottom > yScr)
OffsetRect(&rcNew, 0, yScr - rcNew.bottom);
if (rcNew.left < 0)
OffsetRect(&rcNew, -rcNew.left, 0);
if (rcNew.top < 0)
OffsetRect(&rcNew, 0, -rcNew.top);
wi.fNotManual = fTrue;
MoveWindow(wi.hwnd, rcNew.left, rcNew.top,
rcNew.right - rcNew.left, rcNew.bottom - rcNew.top, fTrue);
wi.fNotManual = fFalse;
}
#endif
#ifndef WIN
// This routine gets called after graphics are brought up and displayed on
// the screen. It loops, processing key presses, mouse clicks, etc, that the
// window receives, until the user specifies they want to exit the program.
void InteractX()
{
#ifdef X11
char sz[cchSzDef];
XEvent xevent;
KeySym keysym;
#endif
#ifdef WCLI
HBITMAP hbmp, hbmpOld;
HDC hdcWin;
PAINTSTRUCT ps;
MSG msg;
int nMsg;
#endif
int fAutosize = fFalse, fResize = fFalse, fRedraw = fTrue, fNoChart = fFalse,
fBreak = fFalse, fCast = fFalse, mousex = -1, mousey = -1,
buttonx = -1, buttony = -1, length, key, i;
KI coldrw = gi.kiLite;
neg(gs.nAnim);
while (!fBreak) {
gi.nScale = gs.nScale/100;
gi.nScaleText = gs.nScaleText/50;
#ifdef WCLI
if (wi.fDoResize) {
wi.fDoResize = fFalse;
fResize = fTrue;
}
if (wi.fDoRedraw) {
wi.fDoRedraw = fFalse;
fRedraw = fTrue;
}
if (wi.fDoCast) {
wi.fDoCast = fFalse;
fCast = fTrue;
}
#endif
// Some chart windows, like the world maps and aspect grids, should always
// be a certain size, so correct if a resize was attempted.
if (fMap) {
length = nDegMax*gi.nScale;
if (gs.xWin != length) {
gs.xWin = length;
fResize = fTrue;
}
length = nDegHalf*gi.nScale;
if (gs.yWin != length) {
gs.yWin = length;
fResize = fTrue;
}
} else if (gi.nMode == gGrid) {
length = (gi.nGridCell + (us.nRel <= rcDual))*CELLSIZE*gi.nScale + 1;
if (gs.xWin != length) {
gs.xWin = length;
fResize = fTrue;
}
if (gs.yWin != length) {
gs.yWin = length;
fResize = fTrue;
}
// Make sure the window isn't too large or too small.
} else {
if (gs.fKeepSquare && fSquare) {
if (fSidebar)
gs.xWin -= (SIDESIZE * gi.nScaleText) >> 1;
if (gs.xWin != gs.yWin) {
i = Min(gs.xWin, gs.yWin);
i = Max(i, BITMAPX1);
gs.xWin = gs.yWin = i;
fResize = fTrue;
}
if (fSidebar)
gs.xWin += (SIDESIZE * gi.nScaleText) >> 1;
}
if (gs.xWin < BITMAPX1) {
gs.xWin = BITMAPX1;
fResize = fTrue;
} else if (gs.xWin > BITMAPX) {
gs.xWin = BITMAPX;
fResize = fTrue;
}
if (gs.yWin < BITMAPY1) {
gs.yWin = BITMAPY1;
fResize = fTrue;
} else if (gs.yWin > BITMAPY) {
gs.yWin = BITMAPY;
fResize = fTrue;
}
}
// Negative animation jump rate means first time with this rate.
if (gs.nAnim < 0)
neg(gs.nAnim);
// Physically resize window if we've changed the size parameters.
if (fAutosize) {
fAutosize = fFalse;
gs.xWin = gi.xWinResize; gs.yWin = gi.yWinResize;
fResize = fTrue;
}
if (fResize) {
fResize = fFalse;
#ifdef X11
XResizeWindow(gi.disp, gi.wind, gs.xWin, gs.yWin);
XFreePixmap(gi.disp, gi.pmap);
gi.pmap = XCreatePixmap(gi.disp, gi.wind, gs.xWin, gs.yWin, gi.depth);
#endif
#ifdef WCLI
ResizeWindowToChart();
#endif
fRedraw = fTrue;
}
// Recast chart if the chart information has changed any.
if (fCast) {
fCast = fFalse;
ciCore = ciMain;
if (us.nRel)
CastRelation();
else
CastChart(0);
fRedraw = fTrue;
}
if (gs.nAnim && !gi.fPause)
fRedraw = fTrue;
// Update the screen if anything has changed since last time around.
if (fRedraw && (!gi.fPause || gs.nAnim)) {
fRedraw = fFalse;
// If we're in animation mode, change the chart info appropriately.
if (gs.nAnim && !gi.fPause)
Animate(gs.nAnim, gi.nDir);
// Clear the screen and set up a buffer to draw in.
#ifdef X11
if (!gs.fJetTrail)
XFillRectangle(gi.disp, gi.pmap, gi.pmgc, 0, 0, gs.xWin, gs.yWin);
#endif
#ifdef WCLI
InvalidateRect(wi.hwnd, NULL, fFalse);
ClearB((pbyte)&ps, sizeof(PAINTSTRUCT));
hdcWin = BeginPaint(wi.hwnd, &ps);
wi.hdc = CreateCompatibleDC(hdcWin);
hbmp = CreateCompatibleBitmap(hdcWin, wi.xClient, wi.yClient);
hbmpOld = (HBITMAP)SelectObject(wi.hdc, hbmp);
if (gs.fJetTrail)
BitBlt(wi.hdc, 0, 0, wi.xClient, wi.yClient, hdcWin, 0, 0, SRCCOPY);
SetWindowOrg(wi.hdc, 0, 0);
SetWindowExt(wi.hdc, gs.xWin, gs.yWin);
SetMapMode(wi.hdc, MM_ANISOTROPIC);
SelectObject(wi.hdc, GetStockObject(NULL_PEN));
SelectObject(wi.hdc, GetStockObject(NULL_BRUSH));
if (!gs.fJetTrail)
PatBlt(wi.hdc, 0, 0, gs.xWin, gs.yWin,
gs.fInverse ? WHITENESS : BLACKNESS);
#endif
if (fNoChart)
fNoChart = fFalse;
else
DrawChartX();
// Make the drawn chart visible in the current screen buffer.
#ifdef X11
XSync(gi.disp, 0);
XCopyArea(gi.disp, gi.pmap, gi.wind, gi.gc,
0, 0, gs.xWin, gs.yWin, 0, 0);
#endif
#ifdef WCLI
BitBlt(hdcWin, 0, 0, wi.xClient, wi.yClient,
wi.hdc, 0, 0, SRCCOPY);
SelectObject(wi.hdc, hbmpOld);
DeleteObject(hbmp);
DeleteDC(wi.hdc);
EndPaint(wi.hwnd, &ps);
#endif
#ifdef EXPRESS
// Notify AstroExpression the screen has just been redrawn.
if (!us.fExpOff && FSzSet(us.szExpDisp3))
ParseExpression(us.szExpDisp3);
#endif
} // if
// Now process what's on the event queue, i.e. any keys pressed, etc.
#ifdef X11
if (XEventsQueued(gi.disp, QueuedAfterFlush /*QueuedAfterReading*/) ||
!gs.nAnim || gi.fPause) {
XNextEvent(gi.disp, &xevent);
// Restore what's on window if a part of it gets uncovered.
if (xevent.type == Expose && xevent.xexpose.count == 0) {
XSync(gi.disp, 0);
XCopyArea(gi.disp, gi.pmap, gi.wind, gi.gc,
0, 0, gs.xWin, gs.yWin, 0, 0);
}
switch (xevent.type) {
// Check for a manual resize of window by user.
case ConfigureNotify:
gi.xWinResize = gs.xWin = xevent.xconfigure.width;
gi.yWinResize = gs.yWin = xevent.xconfigure.height;
XFreePixmap(gi.disp, gi.pmap);
gi.pmap = XCreatePixmap(gi.disp, gi.wind, gs.xWin, gs.yWin, gi.depth);
fRedraw = fTrue;
break;
case MappingNotify:
XRefreshKeyboardMapping((XMappingEvent *)&xevent);
break;
// Process any mouse buttons the user pressed.
case ButtonPress:
mousex = xevent.xbutton.x; mousey = xevent.xbutton.y;
if (xevent.xbutton.button == Button1) {
DrawColor(gi.kiLite);
DrawPoint(mousex, mousey);
XSync(gi.disp, 0);
XCopyArea(gi.disp, gi.pmap, gi.wind, gi.gc,
0, 0, gs.xWin, gs.yWin, 0, 0);
} else if (xevent.xbutton.button == Button2 && (gi.nMode ==
gAstroGraph || gi.nMode == gWorldMap) && gs.rRot == 0.0) {
Lon = rDegHalf -
(real)(xevent.xbutton.x-1)/(real)(gs.xWin-2)*rDegMax;
Lat = rDegQuad -
(real)(xevent.xbutton.y-1)/(real)(gs.yWin-2)*181.0;
sprintf(sz, "Mouse is at %s.", SzLocation(Lon, Lat));
PrintProgress(sz);
} else if (xevent.xbutton.button == Button3)
fBreak = fTrue;
break;
// Check for user dragging any of the mouse buttons across window.
case MotionNotify:
DrawColor(coldrw);
DrawLine(mousex, mousey, xevent.xbutton.x, xevent.xbutton.y);
XSync(gi.disp, 0);
XCopyArea(gi.disp, gi.pmap, gi.wind, gi.gc,
0, 0, gs.xWin, gs.yWin, 0, 0);
mousex = xevent.xbutton.x; mousey = xevent.xbutton.y;
break;
// Process any keys user pressed in window.
case KeyPress:
length = XLookupString((XKeyEvent *)&xevent, xkey, 10, &keysym, 0);
if (length == 1) {
key = xkey[0];
#endif // X11
#ifdef WCLI
if (PeekMessage(&msg, (HWND)NULL, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
nMsg = LOWORD(msg.message);
if (nMsg != WM_CHAR && nMsg != WM_KEYDOWN) {
switch (nMsg) {
case WM_SIZE:
wi.xClient = gs.xWin = LOWORD(msg.lParam);
wi.yClient = gs.yWin = HIWORD(msg.lParam);
fResize = fTrue;
break;
case WM_PAINT:
fRedraw = fTrue;
break;
default:
wi.kiPen = coldrw;
DispatchMessage(&msg);
}
} else {
key = (int)msg.wParam;
if (nMsg == WM_KEYDOWN)
key = FBetween(key, VK_F1, VK_F12) ? key - VK_F1 + 201 : 0;
#endif // WCLI
#ifdef EXPRESS
// May want to adjust current key if AstroExpression says to do so.
if (!us.fExpOff && FSzSet(us.szExpKey)) {
ExpSetN(iLetterZ, key);
ParseExpression(us.szExpKey);
key = NExpGet(iLetterZ);
}
#endif
switch (key) {
case ' ':
fRedraw = fTrue;
break;
case 'p':
inv(gi.fPause);
break;
case 'r':
neg(gi.nDir);
break;
case 'x':
inv(gs.fInverse);
InitColorPalette(gs.fInverse);
InitColorsX();
fRedraw = fTrue;
break;
case 'm':
if (!gi.fMono) {
inv(gs.fColor);
InitColorsX();
fRedraw = fTrue;
}
break;
#ifdef X11
case 'B':
XSetWindowBackgroundPixmap(gi.disp, gi.root, gi.pmap);
XClearWindow(gi.disp, gi.root);
break;
#endif
case 't':
inv(gs.fText);
fRedraw = fTrue;
break;
case 'i':
inv(gs.fAlt);
fRedraw = fTrue;
break;
case 'b':
inv(gs.fBorder);
fRedraw = fTrue;
break;
case 'q':
inv(gs.fThick);
fRedraw = fTrue;
break;
case 'l':
inv(gs.fLabel);
fRedraw = fTrue;
break;
case 'k':
inv(gs.fLabelAsp);
fRedraw = fTrue;
break;
case 'j':
inv(gs.fJetTrail);
break;
case '<':
if (gs.nScale > 100) {
gs.nScale -= 100;
fResize = fTrue;
}
break;
case '>':
if (gs.nScale < MAXSCALE) {
gs.nScale += 100;
fResize = fTrue;
}
break;
case '[':
if (gs.rTilt > -rDegQuad) {
gs.rTilt = gs.rTilt > -rDegQuad ?
gs.rTilt-(real)NAbs(gi.nDir) : -rDegQuad;
fRedraw = fTrue;
}
if (gi.nMode == gTelescope)
gs.objTrack = -1;
break;
case ']':
if (gs.rTilt < rDegQuad) {
gs.rTilt = gs.rTilt < rDegQuad ?
gs.rTilt+(real)NAbs(gi.nDir) : rDegQuad;
fRedraw = fTrue;
}
if (gi.nMode == gTelescope)
gs.objTrack = -1;
break;
case '{':
if (gi.nMode == gMidpoint || gi.nMode == gTelescope) {
if (gi.nMode == gMidpoint && gs.objTrack >= 0)
gs.rRot = planet[gs.objTrack];
gs.objTrack = -1;
}
gs.rRot += (real)NAbs(gi.nDir);
if (gs.rRot >= rDegMax)
gs.rRot -= rDegMax;
fRedraw = fTrue;
break;
case '}':
if (gi.nMode == gMidpoint || gi.nMode == gTelescope) {
if (gi.nMode == gMidpoint && gs.objTrack >= 0)
gs.rRot = planet[gs.objTrack];
gs.objTrack = -1;
}
gs.rRot -= (real)NAbs(gi.nDir);
if (gs.rRot < 0.0)
gs.rRot += rDegMax;
fRedraw = fTrue;
break;
case 'Q':
SquareX(&gs.xWin, &gs.yWin, fTrue);
fResize = fTrue;
break;
case 'R':
for (i = oChi; i <= oVes; i++)
inv(ignore[i]);