File: xcal_popup.c

package info (click to toggle)
xcal 4.1-19
  • links: PTS
  • area: main
  • in suites: bullseye, buster, jessie, jessie-kfreebsd, lenny, sid, squeeze, stretch, wheezy
  • size: 780 kB
  • ctags: 3,851
  • sloc: ansic: 5,576; makefile: 4,265; sh: 573
file content (445 lines) | stat: -rw-r--r-- 9,814 bytes parent folder | download | duplicates (6)
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
#ifndef lint
static char    *sccsid = "@(#)xcal_popup.c	3.13 (Hillside Systems) 10/29/93";
static char    *copyright = "@(#)Copyright 1989,1990,1993 Peter Collinson, Hillside Systems";
#endif				/* lint */
/***

* module name:
	xcal_popup.c
* function:
	Deal with various popups for xcal
	There are two main ones:
	a)	the centre button causes a popup date selection popup
	b)	the right button causes an exit popup
* history:
	Written November 1989
	Peter Collinson
	Hillside Systems
* (C) Copyright: 1989 Hillside Systems/Peter Collinson
	
	For full permissions and copyright notice - see xcal.c
***/
#include <stdio.h>
#include <ctype.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/Dialog.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/Command.h>
#include "xcal.h"

static void     AskDialog();
static void     NoCal();
static void     YesCal();
static char    *DateParse();
static int      MonScan();
static void     LeaveDialog();
static void     NoLeave();
static void     YesLeave();
static void     NoEdit();

#define argLD(N,V) { XtSetArg(args[nargs], N, V); nargs++; }

/*
 * This routine deals with most of the work to create a dialog popup, it is
 * passed a function which is called to create the dialog box
 * 
 * The widget here is used for positioning, these popups are always children of
 * the toplevel widget
 *
 * These widgets are generally called from a Command widget button.
 * if this is the case, we make that button non-sensitive and
 * use the pop-down callback to turn them on again (see xcal_buts.c)
 */
void
DialogPopup(w, fn, arg, but)
	Widget          w;
	void            (*fn) ();
	caddr_t         arg;
	Widget		but;
{
	Widget          pop;
	Arg             args[10];
	int		nargs;
	Position        x, y;
	Position        nx, ny;
	Dimension       width, height, border;

	/*
	 * Get the position of the toplevel so we 
	 * can position the dialog box properly
	 */
	XtSetArg(args[0], XtNwidth, &width);
	XtSetArg(args[1], XtNheight, &height);
	XtGetValues(w, args, 2);
	XtTranslateCoords(w, (Position) (width / 2),
			  (Position) (height / 2), &x, &y);

	/*
	 * Create a popup to hold the dialog
	 */
	nargs = 0;
	argLD(XtNallowShellResize, True);
	argLD(XtNinput, True);
	argLD(XtNx, x);
	argLD(XtNy, y);
	argLD(XtNsaveUnder, FALSE);	/* was true but this caused */
					/* me problems on OpenWindows */

	pop = XtCreatePopupShell("question", transientShellWidgetClass, toplevel, args, nargs);

	if (but && XtIsSubclass(but, commandWidgetClass))
		ButtonOff(but, pop);

	/*
	 * Set up the dialog
	 */
	(*fn) (pop, arg);

	XtRealizeWidget(pop);

	/*
	 * We can now worry if this box is actually off the screen
	 */
	XtSetArg(args[0], XtNwidth, &width);
	XtSetArg(args[1], XtNheight, &height);
	XtSetArg(args[2], XtNborderWidth, &border);
	XtGetValues(pop, args, 3);

	border <<= 1;
	XtTranslateCoords(pop, (Position) 0, (Position) 0, &nx, &ny);

	if ((int)(nx + width + border) > WidthOfScreen(XtScreen(toplevel)))
		nx = WidthOfScreen(XtScreen(toplevel)) - width - border;
	else
		nx = x;

	if ((int)(ny + height + border) > HeightOfScreen(XtScreen(toplevel)))
		ny = HeightOfScreen(XtScreen(toplevel)) - height - border;
	else
		ny = y;

	if (nx != x || ny != y) {
		XtSetArg(args[0], XtNx, nx);
		XtSetArg(args[1], XtNy, ny);
		XtSetValues(pop, args, 2);
	}
	XtPopup(pop, XtGrabNone);
}

/************************************************************************/
/*									*/
/*									*/
/*	Deals with middle button presses - ask for a date		*/
/*									*/
/*									*/
/************************************************************************/

/*
 * SetDate - ask for a date and start a calendar
 * This is an action routine
 */
/* ARGSUSED */
void
SetDate(w, event, params, numb)
	Widget          w;
	XEvent         *event;
	String         *params;
	Cardinal       *numb;
{
	DialogPopup(toplevel, AskDialog, NULL, w);
}

/* ARGSUSED */
static void
AskDialog(pop, noop)
	Widget          pop;
	Cardinal        noop;
{
	Widget          dia;
	Arg             args[2];
	WidgetList      children;	/* which is Widget children[] */
	Cardinal        num_children;
	int             i;

	/* Take from args: "Enter mm yyyy?" */
	XtSetArg(args[0], XtNvalue, "");
	dia = XtCreateManagedWidget("newdate", dialogWidgetClass, pop, args, 1);
	XawDialogAddButton(dia, "ok", YesCal, dia);
	XawDialogAddButton(dia, "cancel", NoCal, pop);
	/*
	 * I would like to add CR translations to the text box the only way
	 * to get the widget seems to be to use an R4 feature to get the
	 * WidgetList
	 */
	XtSetArg(args[0], XtNchildren, &children);
	XtSetArg(args[1], XtNnumChildren, &num_children);
	XtGetValues(dia, (ArgList) args, 2);
	for (i = 0; i < num_children; i++) {
		if (XtClass(children[i]) == asciiTextWidgetClass) {
			/* Bingo */
			XtOverrideTranslations(
					       children[i],
					       XtParseTranslationTable("<Key>Return: SetDateAction()")
				);

		} else
		if (XtClass(children[i]) == labelWidgetClass) {
			XtSetArg(args[0], XtNresizable, True);
			XtSetValues(children[i], args, 1);
		}
	}

}

/*
 * No we don't want a specified date
 * Closure here is the pop shell
 */
/* ARGSUSED */
static void
NoCal(w, closure, call_data)
	Widget          w;
	caddr_t         closure;
	caddr_t         call_data;
{
	XtDestroyWidget((Widget) closure);
}

/*
 * Yes we do want a specified date
 * Closure here is the dialog widget
 */
/* ARGSUSED */
static void
YesCal(w, closure, call_data)
	Widget          w;
	caddr_t         closure;
	caddr_t         call_data;
{
	Widget          dia;
	Arg             args[2];
	Date            wanted;
	char           *errstr;

	dia = (Widget) closure;
	/*
	 * Parse the string
	 */
	if (errstr = DateParse(XawDialogGetValueString(dia), &wanted)) {
		/*
		 * insert an error							 * message in the widget
		 */
		XtSetArg(args[0], XtNlabel, errstr);
		XtSetValues(dia, args, 1);
		XBell(XtDisplay(toplevel), 0);
		return;
	}
	XtDestroyWidget(XtParent(dia));
	NewMonthStrip(&wanted, NULL);
}

/*
 * Action mapped to by CR in the dialog
 */
/* ARGSUSED */
void
TextCal(w, event, params, numb)
	Widget          w;
	XEvent         *event;
	String         *params;
	Cardinal       *numb;
{
	YesCal(w, (caddr_t) XtParent(w), 0);	/* parent of text widget is */
						/* the dialog box */
}

/*
 * Parse a date string
 */
static char    *
DateParse(str, da)
	register char  *str;
	Date           *da;
{
	register char  *wk;
	int             lastc;
	int             mo;

	*da = today;

	wk = str;
	while (isspace(*wk))
		wk++;
	if (*wk == '\0')
		return ("No data found");
	str = wk;
	if (isdigit(*str)) {
		while (isdigit(*str))
			str++;
		lastc = *str;
		*str++ = '\0';
		mo = atoi(wk);
		if (mo < 1 || mo > 12)
			return ("Illegal month number");
		da->month = mo - 1;
	} else if (isalpha(*str)) {	/* be kind - allow month names */
		while (isalpha(*str)) {
			if (isupper(*str))
				*str = tolower(*str);
			str++;
		}
		lastc = *str;
		*str++ = '\0';
		mo = MonScan(wk);
		if (mo < 0)
			return ("Cannot find month name");
		if (mo < da->month)
			da->year++;
		da->month = mo;
	}
	if (lastc) {
		wk = str;
		while (isspace(*wk))
			wk++;
		str = wk;
		if (*str)
			da->year = atoi(wk);
	}
	return (NULL);
}

/*
 * Given a string look in our database for a number
 */
static int
MonScan(monstr)
	char           *monstr;
{
	char           *a, *b;
	int             ca, cb;
	int             mon;

	for (mon = 0; mon < 12; mon++)
		for (a = monstr, b = appResources.mon[mon];;) {
			ca = *a++;
			if (ca == '\0')
				return (mon);
			if (isupper(ca))
				ca = tolower(ca);
			cb = *b++;
			if (cb == '\0')
				break;
			if (isupper(cb))
				cb = tolower(cb);
			if (ca != cb)
				break;
		}
	return (-1);
}

/************************************************************************/
/*									*/
/*									*/
/*		Deals with right button presses - exit			*/
/*									*/
/*									*/
/************************************************************************/
/*
 * Get out - possibly
 */
/* ARGSUSED */
void
AskLeave(w, event, params, numb)
	Widget          w;
	XEvent         *event;
	String         *params;
	Cardinal       *numb;
{

	DialogPopup(toplevel, LeaveDialog, NULL, w);
}

/* ARGSUSED */
static void
LeaveDialog(pop, noop)
	Widget          pop;
	Cardinal        noop;
{
	Widget          di;

	/* Take "Really exit? from resources */
	di = XtCreateManagedWidget("exit", dialogWidgetClass, pop, NULL, 0);
	XawDialogAddButton(di, "yes", YesLeave, pop);
	XawDialogAddButton(di, "no", NoLeave, pop);
}

/* ARGSUSED */
static void
YesLeave(w, closure, call_data)
	Widget          w;
	caddr_t         closure;
	caddr_t         call_data;
{
	Leave(0);
}

/* ARGSUSED */
static void
NoLeave(w, closure, call_data)
	Widget          w;
	caddr_t         closure;
	caddr_t         call_data;
{
	XtDestroyWidget((Widget) closure);
}

/************************************************************************/
/* */
/* */
/* Deal with an attempt to double edit some data			 */
/* */
/* */
/************************************************************************/


void
NoEditIsPossible(w, da)
	Widget          w;
	Date           *da;
{
	static char     errmsg[256];

	FmtDate(da, errmsg, sizeof errmsg, appResources.already);

	DialogPopup(w, NoEdit, errmsg, w);

}

void
NoDayEditIsPossible(w, da)
	Widget          w;
	Date           *da;
{
	static char     errmsg[256];

	FmtDate(da, errmsg, sizeof errmsg, appResources.alreadyWeekly);

	DialogPopup(w, NoEdit, errmsg, w);

}

static void
NoEdit(pop, errmsg)
	Widget          pop;
	String          errmsg;
{
	Arg             args[2];
	Widget          dia;

	XtSetArg(args[0], XtNlabel, errmsg);
	dia = XtCreateManagedWidget("noedit", dialogWidgetClass, pop, args, 1);
	XawDialogAddButton(dia, "ok", NoCal, pop);
}